From 689b9dbb8d7f88ab91e7741932ed000b6e49be9a Mon Sep 17 00:00:00 2001 From: Anas Nashif Date: Tue, 15 Jan 2013 08:32:18 -0800 Subject: [PATCH] Imported Upstream version 0.7.2 --- BUGS | 6 - CREDITS | 127 + ChangeLog | 539 - INSTALL | 368 +- Makefile.am | 157 + Makefile.in | 1233 +- NEWS | 303 + README | 141 +- TODO | 174 +- VERSION | 1 - aclocal.m4 | 1763 ++- backend.h | 343 + breakpoint.h | 138 + breakpoints.c | 522 +- callback.h | 50 + common.h | 262 +- config.h.in | 197 + config/autoconf/config.guess | 1501 ++ config/autoconf/config.sub | 1705 +++ config/autoconf/depcomp | 630 + config/autoconf/install-sh | 520 + config/autoconf/ltmain.sh | 9636 ++++++++++++ config/autoconf/missing | 376 + config/m4/libtool.m4 | 7835 ++++++++++ config/m4/ltoptions.m4 | 369 + config/m4/ltsugar.m4 | 123 + config/m4/ltversion.m4 | 23 + config/m4/lt~obsolete.m4 | 98 + configure | 15101 ++++++++++++++++++- configure.ac | 327 + debian/changelog | 15 + debian/{control.in => control} | 4 +- debian/rules | 1 + debug.c | 24 +- debug.h | 24 +- defs.h | 27 +- demangle.c | 27 +- demangle.h | 20 + dict.c | 130 +- dict.h | 53 +- display_args.c | 460 - elf.c | 619 - elf.h | 49 - etc/ltrace.conf | 255 +- execute_program.c | 57 +- expr.c | 338 + expr.h | 156 + fetch.c | 166 + fetch.h | 95 + filter.c | 191 + filter.h | 99 + forward.h | 35 + glob.c | 279 + glob.h | 32 + handle_event.c | 578 +- lens.c | 62 + lens.h | 51 + lens_default.c | 714 + lens_default.h | 52 + lens_enum.c | 159 + lens_enum.h | 47 + libltrace.c | 137 +- library.c | 428 + library.h | 226 + ltrace-elf.c | 978 ++ ltrace-elf.h | 122 + ltrace.1 | 166 +- ltrace.conf.5 | 408 + ltrace.h | 30 +- main.c | 20 + mkdist | 19 - options.c | 486 +- options.h | 82 +- output.c | 612 +- output.h | 61 +- param.c | 141 + param.h | 163 + printf.c | 365 + printf.h | 34 + proc.c | 1042 +- proc.h | 257 + read_config_file.c | 1503 +- read_config_file.h | 22 + summary.c | 21 + sysdeps/Makefile.am | 29 + sysdeps/Makefile.in | 602 + sysdeps/README | 25 +- sysdeps/linux-gnu/Makefile | 60 - sysdeps/linux-gnu/Makefile.am | 46 + sysdeps/linux-gnu/Makefile.in | 692 + sysdeps/linux-gnu/alpha/Makefile | 10 - sysdeps/linux-gnu/alpha/Makefile.am | 34 + sysdeps/linux-gnu/alpha/Makefile.in | 528 + sysdeps/linux-gnu/alpha/arch.h | 21 + sysdeps/linux-gnu/alpha/plt.c | 21 + sysdeps/linux-gnu/alpha/ptrace.h | 20 + sysdeps/linux-gnu/alpha/regs.c | 21 + sysdeps/linux-gnu/alpha/signalent.h | 20 + sysdeps/linux-gnu/alpha/syscallent.h | 20 + sysdeps/linux-gnu/alpha/trace.c | 29 +- sysdeps/linux-gnu/arch_mksyscallent | 17 + sysdeps/linux-gnu/arch_syscallent.h | 1 + sysdeps/linux-gnu/arm/Makefile | 10 - sysdeps/linux-gnu/arm/Makefile.am | 36 + sysdeps/linux-gnu/arm/Makefile.in | 531 + sysdeps/linux-gnu/arm/arch.h | 26 + sysdeps/linux-gnu/arm/arch_syscallent.h | 20 + sysdeps/linux-gnu/arm/breakpoint.c | 73 +- sysdeps/linux-gnu/arm/plt.c | 40 +- sysdeps/linux-gnu/arm/ptrace.h | 20 + sysdeps/linux-gnu/arm/regs.c | 37 +- sysdeps/linux-gnu/arm/signalent.h | 20 + sysdeps/linux-gnu/arm/syscallent.h | 20 + sysdeps/linux-gnu/arm/trace.c | 67 +- sysdeps/linux-gnu/breakpoint.c | 137 +- sysdeps/linux-gnu/cris/Makefile.am | 34 + sysdeps/linux-gnu/cris/Makefile.in | 528 + sysdeps/linux-gnu/cris/arch.h | 27 + sysdeps/linux-gnu/cris/plt.c | 34 + sysdeps/linux-gnu/cris/ptrace.h | 21 + sysdeps/linux-gnu/cris/regs.c | 58 + sysdeps/linux-gnu/cris/signalent.h | 52 + sysdeps/linux-gnu/cris/syscallent.h | 345 + sysdeps/linux-gnu/cris/trace.c | 93 + sysdeps/linux-gnu/events.c | 310 +- sysdeps/linux-gnu/events.h | 41 + sysdeps/linux-gnu/i386/Makefile | 10 - sysdeps/linux-gnu/i386/arch.h | 6 - sysdeps/linux-gnu/i386/plt.c | 12 - sysdeps/linux-gnu/i386/ptrace.h | 1 - sysdeps/linux-gnu/i386/regs.c | 40 - sysdeps/linux-gnu/i386/syscallent.h | 317 - sysdeps/linux-gnu/i386/trace.c | 85 - sysdeps/linux-gnu/ia64/Makefile | 10 - sysdeps/linux-gnu/ia64/Makefile.am | 36 + sysdeps/linux-gnu/ia64/Makefile.in | 533 + sysdeps/linux-gnu/ia64/arch.h | 25 + sysdeps/linux-gnu/ia64/breakpoint.c | 39 +- sysdeps/linux-gnu/ia64/fetch.c | 502 + sysdeps/linux-gnu/ia64/plt.c | 93 +- sysdeps/linux-gnu/ia64/ptrace.h | 20 + sysdeps/linux-gnu/ia64/regs.c | 35 +- sysdeps/linux-gnu/ia64/signalent.h | 20 + sysdeps/linux-gnu/ia64/syscallent.h | 20 + sysdeps/linux-gnu/ia64/trace.c | 181 +- sysdeps/linux-gnu/m68k/Makefile | 10 - sysdeps/linux-gnu/m68k/Makefile.am | 35 + sysdeps/linux-gnu/m68k/Makefile.in | 530 + sysdeps/linux-gnu/m68k/arch.h | 23 + sysdeps/linux-gnu/m68k/fetch.c | 239 + sysdeps/linux-gnu/m68k/plt.c | 24 +- sysdeps/linux-gnu/m68k/ptrace.h | 20 + sysdeps/linux-gnu/m68k/regs.c | 21 + sysdeps/linux-gnu/m68k/signalent.h | 20 + sysdeps/linux-gnu/m68k/syscallent.h | 116 +- sysdeps/linux-gnu/m68k/trace.c | 66 +- sysdeps/linux-gnu/mipsel/Doxyfile | 18 + sysdeps/linux-gnu/mipsel/Makefile | 22 - sysdeps/linux-gnu/mipsel/Makefile.am | 38 + sysdeps/linux-gnu/mipsel/Makefile.in | 532 + sysdeps/linux-gnu/mipsel/arch.h | 62 +- sysdeps/linux-gnu/mipsel/mipsel.h | 24 +- sysdeps/linux-gnu/mipsel/plt.c | 363 +- sysdeps/linux-gnu/mipsel/ptrace.h | 20 + sysdeps/linux-gnu/mipsel/regs.c | 23 +- sysdeps/linux-gnu/mipsel/signalent.h | 84 +- sysdeps/linux-gnu/mipsel/syscallent.h | 609 +- sysdeps/linux-gnu/mipsel/trace.c | 276 +- sysdeps/linux-gnu/mksignalent | 17 + sysdeps/linux-gnu/mksyscallent | 18 + sysdeps/linux-gnu/mksyscallent_s390 | 18 + sysdeps/linux-gnu/os.h | 25 + sysdeps/linux-gnu/ppc/Makefile | 10 - sysdeps/linux-gnu/ppc/Makefile.am | 36 + sysdeps/linux-gnu/ppc/Makefile.in | 531 + sysdeps/linux-gnu/ppc/arch.h | 100 +- sysdeps/linux-gnu/ppc/fetch.c | 436 + sysdeps/linux-gnu/ppc/insn.h | 45 + sysdeps/linux-gnu/ppc/plt.c | 1046 +- sysdeps/linux-gnu/ppc/ptrace.h | 20 + sysdeps/linux-gnu/ppc/regs.c | 31 +- sysdeps/linux-gnu/ppc/signalent.h | 20 + sysdeps/linux-gnu/ppc/syscallent.h | 108 +- sysdeps/linux-gnu/ppc/trace.c | 275 +- sysdeps/linux-gnu/proc.c | 704 +- sysdeps/linux-gnu/s390/Makefile | 13 - sysdeps/linux-gnu/s390/Makefile.am | 39 + sysdeps/linux-gnu/s390/Makefile.in | 534 + sysdeps/linux-gnu/s390/arch.h | 35 +- sysdeps/linux-gnu/s390/fetch.c | 289 + sysdeps/linux-gnu/s390/plt.c | 22 + sysdeps/linux-gnu/s390/ptrace.h | 20 + sysdeps/linux-gnu/s390/regs.c | 25 +- sysdeps/linux-gnu/s390/signalent.h | 20 + sysdeps/linux-gnu/s390/signalent1.h | 20 + sysdeps/linux-gnu/s390/syscallent.h | 20 + sysdeps/linux-gnu/s390/syscallent1.h | 20 + sysdeps/linux-gnu/s390/syscalls31.h | 21 + sysdeps/linux-gnu/s390/syscalls64.h | 21 + sysdeps/linux-gnu/s390/trace.c | 143 +- sysdeps/linux-gnu/signalent1.h | 1 + sysdeps/linux-gnu/sparc/Makefile | 9 - sysdeps/linux-gnu/sparc/Makefile.am | 34 + sysdeps/linux-gnu/sparc/Makefile.in | 528 + sysdeps/linux-gnu/sparc/arch.h | 21 + sysdeps/linux-gnu/sparc/plt.c | 21 + sysdeps/linux-gnu/sparc/ptrace.h | 20 + sysdeps/linux-gnu/sparc/regs.c | 22 + sysdeps/linux-gnu/sparc/signalent.h | 20 + sysdeps/linux-gnu/sparc/syscallent.h | 20 + sysdeps/linux-gnu/sparc/trace.c | 36 +- sysdeps/linux-gnu/syscallent1.h | 1 + sysdeps/linux-gnu/trace-defs.h | 92 + sysdeps/linux-gnu/trace.c | 1235 +- sysdeps/linux-gnu/trace.h | 121 + sysdeps/linux-gnu/x86/Makefile.am | 37 + sysdeps/linux-gnu/x86/Makefile.in | 532 + sysdeps/linux-gnu/x86/arch.h | 36 + sysdeps/linux-gnu/x86/fetch.c | 849 ++ sysdeps/linux-gnu/x86/plt.c | 34 + sysdeps/linux-gnu/x86/ptrace.h | 21 + sysdeps/linux-gnu/x86/regs.c | 116 + sysdeps/linux-gnu/{x86_64 => x86}/signalent.h | 20 + .../{i386/signalent.h => x86/signalent1.h} | 20 + sysdeps/linux-gnu/x86/syscallent.h | 370 + sysdeps/linux-gnu/x86/syscallent1.h | 333 + sysdeps/linux-gnu/x86/trace.c | 191 + sysdeps/linux-gnu/x86_64/Makefile | 9 - sysdeps/linux-gnu/x86_64/arch.h | 12 - sysdeps/linux-gnu/x86_64/ffcheck.c | 0 sysdeps/linux-gnu/x86_64/plt.c | 12 - sysdeps/linux-gnu/x86_64/ptrace.h | 1 - sysdeps/linux-gnu/x86_64/regs.c | 54 - sysdeps/linux-gnu/x86_64/signalent1.h | 1 - sysdeps/linux-gnu/x86_64/syscallent.h | 256 - sysdeps/linux-gnu/x86_64/syscallent1.h | 1 - sysdeps/linux-gnu/x86_64/trace.c | 144 - sysdeps/sysdep.h | 66 + testsuite/Makefile | 71 - testsuite/{ltrace.minor/Makefile => Makefile.am} | 39 +- testsuite/Makefile.in | 654 + testsuite/lib/ltrace.exp | 603 +- testsuite/ltrace.main/{Makefile => Makefile.am} | 42 +- testsuite/ltrace.main/Makefile.in | 414 + testsuite/ltrace.main/branch_func.c | 51 + testsuite/ltrace.main/branch_func.exp | 57 + testsuite/ltrace.main/filters.exp | 85 + testsuite/ltrace.main/hello-vfork.c | 11 + testsuite/ltrace.main/hello-vfork.exp | 35 + testsuite/ltrace.main/main-internal-1.c | 8 - testsuite/ltrace.main/main-internal.c | 19 - testsuite/ltrace.main/main-internal.exp | 60 +- testsuite/ltrace.main/main-threaded.c | 29 + testsuite/ltrace.main/main-threaded.exp | 39 + testsuite/ltrace.main/main-vfork.c | 28 + testsuite/ltrace.main/main-vfork.exp | 39 + testsuite/ltrace.main/main.exp | 10 +- testsuite/ltrace.main/parameters-lib.c | 368 +- testsuite/ltrace.main/parameters.c | 257 +- testsuite/ltrace.main/parameters.conf | 58 +- testsuite/ltrace.main/parameters.exp | 212 +- testsuite/ltrace.main/parameters2.exp | 215 + testsuite/ltrace.main/signals.exp | 6 +- testsuite/ltrace.main/system_calls.exp | 44 +- testsuite/ltrace.minor/Makefile.am | 46 + testsuite/ltrace.minor/Makefile.in | 415 + testsuite/ltrace.minor/attach-process.c | 16 - testsuite/ltrace.minor/attach-process.exp | 67 +- testsuite/ltrace.minor/count-record.exp | 33 +- testsuite/ltrace.minor/demangle-lib.cpp | 2 +- testsuite/ltrace.minor/demangle.exp | 15 +- testsuite/ltrace.minor/libdl-simple-lib.c | 4 + testsuite/ltrace.minor/libdl-simple.c | 24 + testsuite/ltrace.minor/libdl-simple.exp | 36 + .../ltrace.minor/print-instruction-pointer.exp | 10 +- testsuite/ltrace.minor/time-record-T.exp | 8 +- testsuite/ltrace.minor/time-record-tt.exp | 8 +- testsuite/ltrace.minor/time-record-ttt.exp | 8 +- testsuite/ltrace.minor/trace-clone.c | 2 +- testsuite/ltrace.minor/trace-clone.exp | 18 +- testsuite/ltrace.minor/trace-exec.c | 8 - testsuite/ltrace.minor/trace-exec.exp | 78 +- testsuite/ltrace.minor/trace-exec1.c | 6 - testsuite/ltrace.minor/trace-fork.c | 2 +- testsuite/ltrace.minor/trace-fork.exp | 35 +- testsuite/ltrace.torture/{Makefile => Makefile.am} | 28 +- testsuite/ltrace.torture/Makefile.in | 400 + testsuite/ltrace.torture/ppc-lwarx.c | 44 + testsuite/ltrace.torture/ppc-lwarx.exp | 55 + testsuite/ltrace.torture/signals.c | 2 +- testsuite/ltrace.torture/signals.exp | 6 +- testsuite/ltrace.torture/vfork-thread.c | 50 + testsuite/ltrace.torture/vfork-thread.exp | 32 + type.c | 570 + type.h | 145 + value.c | 485 + value.h | 164 + value_dict.c | 148 + value_dict.h | 67 + vect.c | 172 + vect.h | 150 + zero.c | 105 + zero.h | 34 + 303 files changed, 76480 insertions(+), 7096 deletions(-) delete mode 100644 BUGS create mode 100644 CREDITS delete mode 100644 ChangeLog create mode 100644 Makefile.am create mode 100644 NEWS delete mode 100644 VERSION create mode 100644 backend.h create mode 100644 breakpoint.h create mode 100644 callback.h create mode 100644 config.h.in create mode 100755 config/autoconf/config.guess create mode 100755 config/autoconf/config.sub create mode 100755 config/autoconf/depcomp create mode 100755 config/autoconf/install-sh create mode 100755 config/autoconf/ltmain.sh create mode 100755 config/autoconf/missing create mode 100644 config/m4/libtool.m4 create mode 100644 config/m4/ltoptions.m4 create mode 100644 config/m4/ltsugar.m4 create mode 100644 config/m4/ltversion.m4 create mode 100644 config/m4/lt~obsolete.m4 create mode 100644 configure.ac rename debian/{control.in => control} (81%) delete mode 100644 display_args.c delete mode 100644 elf.c delete mode 100644 elf.h create mode 100644 expr.c create mode 100644 expr.h create mode 100644 fetch.c create mode 100644 fetch.h create mode 100644 filter.c create mode 100644 filter.h create mode 100644 forward.h create mode 100644 glob.c create mode 100644 glob.h create mode 100644 lens.c create mode 100644 lens.h create mode 100644 lens_default.c create mode 100644 lens_default.h create mode 100644 lens_enum.c create mode 100644 lens_enum.h create mode 100644 library.c create mode 100644 library.h create mode 100644 ltrace-elf.c create mode 100644 ltrace-elf.h create mode 100644 ltrace.conf.5 delete mode 100755 mkdist create mode 100644 param.c create mode 100644 param.h create mode 100644 printf.c create mode 100644 printf.h create mode 100644 proc.h create mode 100644 sysdeps/Makefile.am create mode 100644 sysdeps/Makefile.in delete mode 100644 sysdeps/linux-gnu/Makefile create mode 100644 sysdeps/linux-gnu/Makefile.am create mode 100644 sysdeps/linux-gnu/Makefile.in delete mode 100644 sysdeps/linux-gnu/alpha/Makefile create mode 100644 sysdeps/linux-gnu/alpha/Makefile.am create mode 100644 sysdeps/linux-gnu/alpha/Makefile.in create mode 100644 sysdeps/linux-gnu/arch_syscallent.h delete mode 100644 sysdeps/linux-gnu/arm/Makefile create mode 100644 sysdeps/linux-gnu/arm/Makefile.am create mode 100644 sysdeps/linux-gnu/arm/Makefile.in create mode 100644 sysdeps/linux-gnu/cris/Makefile.am create mode 100644 sysdeps/linux-gnu/cris/Makefile.in create mode 100644 sysdeps/linux-gnu/cris/arch.h create mode 100644 sysdeps/linux-gnu/cris/plt.c create mode 100644 sysdeps/linux-gnu/cris/ptrace.h create mode 100644 sysdeps/linux-gnu/cris/regs.c create mode 100644 sysdeps/linux-gnu/cris/signalent.h create mode 100644 sysdeps/linux-gnu/cris/syscallent.h create mode 100644 sysdeps/linux-gnu/cris/trace.c create mode 100644 sysdeps/linux-gnu/events.h delete mode 100644 sysdeps/linux-gnu/i386/Makefile delete mode 100644 sysdeps/linux-gnu/i386/arch.h delete mode 100644 sysdeps/linux-gnu/i386/plt.c delete mode 100644 sysdeps/linux-gnu/i386/ptrace.h delete mode 100644 sysdeps/linux-gnu/i386/regs.c delete mode 100644 sysdeps/linux-gnu/i386/syscallent.h delete mode 100644 sysdeps/linux-gnu/i386/trace.c delete mode 100644 sysdeps/linux-gnu/ia64/Makefile create mode 100644 sysdeps/linux-gnu/ia64/Makefile.am create mode 100644 sysdeps/linux-gnu/ia64/Makefile.in create mode 100644 sysdeps/linux-gnu/ia64/fetch.c delete mode 100644 sysdeps/linux-gnu/m68k/Makefile create mode 100644 sysdeps/linux-gnu/m68k/Makefile.am create mode 100644 sysdeps/linux-gnu/m68k/Makefile.in create mode 100644 sysdeps/linux-gnu/m68k/fetch.c delete mode 100644 sysdeps/linux-gnu/mipsel/Makefile create mode 100644 sysdeps/linux-gnu/mipsel/Makefile.am create mode 100644 sysdeps/linux-gnu/mipsel/Makefile.in create mode 100644 sysdeps/linux-gnu/os.h delete mode 100644 sysdeps/linux-gnu/ppc/Makefile create mode 100644 sysdeps/linux-gnu/ppc/Makefile.am create mode 100644 sysdeps/linux-gnu/ppc/Makefile.in create mode 100644 sysdeps/linux-gnu/ppc/fetch.c create mode 100644 sysdeps/linux-gnu/ppc/insn.h delete mode 100644 sysdeps/linux-gnu/s390/Makefile create mode 100644 sysdeps/linux-gnu/s390/Makefile.am create mode 100644 sysdeps/linux-gnu/s390/Makefile.in create mode 100644 sysdeps/linux-gnu/s390/fetch.c create mode 100644 sysdeps/linux-gnu/signalent1.h delete mode 100644 sysdeps/linux-gnu/sparc/Makefile create mode 100644 sysdeps/linux-gnu/sparc/Makefile.am create mode 100644 sysdeps/linux-gnu/sparc/Makefile.in create mode 100644 sysdeps/linux-gnu/syscallent1.h create mode 100644 sysdeps/linux-gnu/trace-defs.h create mode 100644 sysdeps/linux-gnu/trace.h create mode 100644 sysdeps/linux-gnu/x86/Makefile.am create mode 100644 sysdeps/linux-gnu/x86/Makefile.in create mode 100644 sysdeps/linux-gnu/x86/arch.h create mode 100644 sysdeps/linux-gnu/x86/fetch.c create mode 100644 sysdeps/linux-gnu/x86/plt.c create mode 100644 sysdeps/linux-gnu/x86/ptrace.h create mode 100644 sysdeps/linux-gnu/x86/regs.c rename sysdeps/linux-gnu/{x86_64 => x86}/signalent.h (50%) rename sysdeps/linux-gnu/{i386/signalent.h => x86/signalent1.h} (53%) create mode 100644 sysdeps/linux-gnu/x86/syscallent.h create mode 100644 sysdeps/linux-gnu/x86/syscallent1.h create mode 100644 sysdeps/linux-gnu/x86/trace.c delete mode 100644 sysdeps/linux-gnu/x86_64/Makefile delete mode 100644 sysdeps/linux-gnu/x86_64/arch.h delete mode 100644 sysdeps/linux-gnu/x86_64/ffcheck.c delete mode 100644 sysdeps/linux-gnu/x86_64/plt.c delete mode 100644 sysdeps/linux-gnu/x86_64/ptrace.h delete mode 100644 sysdeps/linux-gnu/x86_64/regs.c delete mode 100644 sysdeps/linux-gnu/x86_64/signalent1.h delete mode 100644 sysdeps/linux-gnu/x86_64/syscallent.h delete mode 100644 sysdeps/linux-gnu/x86_64/syscallent1.h delete mode 100644 sysdeps/linux-gnu/x86_64/trace.c create mode 100644 sysdeps/sysdep.h delete mode 100644 testsuite/Makefile rename testsuite/{ltrace.minor/Makefile => Makefile.am} (52%) create mode 100644 testsuite/Makefile.in rename testsuite/ltrace.main/{Makefile => Makefile.am} (53%) create mode 100644 testsuite/ltrace.main/Makefile.in create mode 100644 testsuite/ltrace.main/branch_func.c create mode 100644 testsuite/ltrace.main/branch_func.exp create mode 100644 testsuite/ltrace.main/filters.exp create mode 100644 testsuite/ltrace.main/hello-vfork.c create mode 100644 testsuite/ltrace.main/hello-vfork.exp delete mode 100644 testsuite/ltrace.main/main-internal-1.c delete mode 100644 testsuite/ltrace.main/main-internal.c create mode 100644 testsuite/ltrace.main/main-threaded.c create mode 100644 testsuite/ltrace.main/main-threaded.exp create mode 100644 testsuite/ltrace.main/main-vfork.c create mode 100644 testsuite/ltrace.main/main-vfork.exp create mode 100644 testsuite/ltrace.main/parameters2.exp create mode 100644 testsuite/ltrace.minor/Makefile.am create mode 100644 testsuite/ltrace.minor/Makefile.in delete mode 100644 testsuite/ltrace.minor/attach-process.c create mode 100644 testsuite/ltrace.minor/libdl-simple-lib.c create mode 100644 testsuite/ltrace.minor/libdl-simple.c create mode 100644 testsuite/ltrace.minor/libdl-simple.exp delete mode 100644 testsuite/ltrace.minor/trace-exec.c delete mode 100644 testsuite/ltrace.minor/trace-exec1.c rename testsuite/ltrace.torture/{Makefile => Makefile.am} (61%) create mode 100644 testsuite/ltrace.torture/Makefile.in create mode 100644 testsuite/ltrace.torture/ppc-lwarx.c create mode 100644 testsuite/ltrace.torture/ppc-lwarx.exp create mode 100644 testsuite/ltrace.torture/vfork-thread.c create mode 100644 testsuite/ltrace.torture/vfork-thread.exp create mode 100644 type.c create mode 100644 type.h create mode 100644 value.c create mode 100644 value.h create mode 100644 value_dict.c create mode 100644 value_dict.h create mode 100644 vect.c create mode 100644 vect.h create mode 100644 zero.c create mode 100644 zero.h diff --git a/BUGS b/BUGS deleted file mode 100644 index fd44ac0..0000000 --- a/BUGS +++ /dev/null @@ -1,6 +0,0 @@ -* Manual page is not accurate (config files...) -* Doesn't do inter-library calls (BP is in the executable's PLT) -* It lacks support for several Linux archs, and many operating systems -* 2008-12-29: this line in config file does not work (2nd argument not used): - string setlocale(enum(LC_ALL=6), string); -* 2009-04-07 doesn't work with threads (processes sharing memory) diff --git a/CREDITS b/CREDITS new file mode 100644 index 0000000..6917031 --- /dev/null +++ b/CREDITS @@ -0,0 +1,127 @@ + This is at least a partial credits-file of people that have + contributed to the Ltrace project. It is sorted by name and + formatted to allow easy grepping and beautification by + scripts. The fields are: name (N), email (E), web-address + (W), PGP key ID and fingerprint (P), description (D), and + snail-mail address (S). +---------- + +N: Pat Beirne +E: pbeirne@home.com +D: ARM port + +N: Anton Blanchard +E: anton@samba.org +D: PowerPC port + +N: Jakub Bogusz +E: qboosh@pld-linux.org +D: Alpha port + +N: Paul Buerger +E: pbuerger@avetec.org +D: Fix measuring time spent in a syscall + +N: Silvio Cesare +E: silvio@big.net.au +D: ELF hacking + +N: Juan Cespedes +W: http://cespedes.org/ +E: cespedes@debian.org +D: All development up to 0.5.3 + +N: Joe Damato +E: ice799@gmail.com +D: libdl support +D: libunwind support +D: Release 0.6 + +N: Sedat Dilek +E: sedat.dilek@gmail.com +D: Fixes and testing for MIPS arch + +N: Michael K. Edwards +E: m.k.edwards@gmail.com +D: Fixes + +N: Morten Eriksen +E: mortene@sim.no +D: Fixes + +N: Timothy Fesig +E: slate@us.ibm.com +D: s390 port + +N: Roman Hodek +E: Roman.Hodek@informatik.uni-erlangen.de +D: m68k port + +N: Edgar E. Iglesias +E: edgar.iglesias@gmail.com +D: CRIS port +D: MIPSel port + +N: Andreas Jaeger +E: aj@suse.de +D: x86-64 port + +N: Jakub Jelinek +E: jakub@redhat.com +D: SPARC port +D: x86-64 fixes +D: libelf support +D: Fixes + +N: Michal Ludvig +E: mludvig@suse.cz +D: x86-64 fixes +D: Support for Elf64 binaries + +N: Petr Machata +E: pmachata@redhat.com +D: Tracing multi-threaded processes +D: Tracing inter-library calls +D: Tracing PIE binaries +D: Fetch backend, ABI fixes for various arches +D: PowerPC fixes +D: Manual pages +D: Release 0.7 + +N: Santiago Romero +E: santiago.romero@imdea.org + +N: Andreas Schwab +E: schwab@linux-m68k.org +D: m68k fixes, fetch backend + +N: César Sánchez +E: cesar.sanchez@imdea.org + +N: Eric Vaitl +E: evaitl@cisco.com +D: MIPSel port + +N: Ian Wienand +E: ianw@gelato.unsw.edu.au +D: ia64 port + +N: Andrey Zonov +E: zont@FreeBSD.org +D: Portability fixes + + +# This file is part of ltrace. +# +# ltrace is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# ltrace is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . diff --git a/ChangeLog b/ChangeLog deleted file mode 100644 index 49b785f..0000000 --- a/ChangeLog +++ /dev/null @@ -1,539 +0,0 @@ -2009-07-25 Juan Cespedes - - * New release 0.5.3 - * Created "libltrace.a" and a simple main program that calls it - * Added support for callbacks to libltrace - * Got rid of GNU's Autoconf stuff - * Make it work again in sparc with new kernel headers - -2009-05-21 Juan Cespedes - - * Release version 0.5.2 - * new fork() and clone() approach: - + used PTRACE_O_TRACE{FORK,VFORK,CLONE} to trace newly created - processes instead of figuring it out whether a given syscall - would create another process or not - That way, new processes are always traced from the very beginning - * Use PTRACE_O_TRACEEXEC to check if a process has called exec() - -2009-05-07 Juan Cespedes - - * clean-up of structs Process, Breakpoint, Function and Event - -2009-04-07 Juan Cespedes - - * Improved documentation - * Cleaning up of "struct options" - * wait_for_something -> sysdeps/linux/events.c:next_event() - * wait for new children to stop instead of assuming they have stopped - -2009-02-11 Juan Cespedes - - * Fixed bug present since the first version (!) of ltrace, - which caused many programs to segfault when a signal is received: - + When a breakpoint is hit, and we need to continue with it, we: - 1) remove the breakpoint - 2) order a SINGLESTEP - 3) when control comes back, set the breakpoint again - 4) let the process continue - + The problem came when a signal is received in the middle - of all this (specifically, between 2) and 3)). - If this is so, we treat the signal "in the usual way", - it is, at the end we issue a "CONTINUE" instead of the - needed SINGLESTEP. - -2008-12-10 Juan Cespedes - - * summary.c: Fix "ltrace -o -c" - * mkdist: rm -rf autom4te.cache - * debian/control.ini: re-added armel and armeb - -2008-12-10 Juan Cespedes - - * Release version 0.5.1 - -2008-12-10 Juan Cespedes - - * Patches from Anderson Lizardo and Riku Voipio: - + Add generic support for arm targets - + Save funtion arguments on arm - + Add thumb instruction support - + Add basic arm/eabi support - + fix exec() testcase cleanup - + fix memory corruption in clone() test - + fix tracing child with "-p" option - -2008-02-27 Luis Machado - - * sysdeps/linux-gnu/ppc/trace.c (arch_umovelong): New function. - * sysdeps/linux-gnu/ppc/regs.c (get_instruction): New function. - (get_count_register): New function. - * sysdeps/linux-gnu/ppc/arch.h (ARCH_HAVE_UMOVELONG): New define. - * sysdeps/linux-gnu/trace.c (umovelong): Create arch-specific - variant. - * ltrace.h (umovelong): Change prototype. - * process_event.c (process_breakpoint): Handle specifics of ppc32 PLT. - * display_args.c: Call umovelong with info parameter. - -2007-09-04 Juan Cespedes - - * ltrace.h: Take arg_num out of arg_type_info - * linux-gnu/*/trace.c: gimme_arg(): Add arg_num as argument - * ltrace.c: check for existence of $HOME before using it - * General: Small fixes (indentation) - -2007-08-31 Juan Cespedes - - * General: Small fixes (indentation, typos, clean-up of code) - * ltrace.c: Close output file on exit - * ltrace.c: use getenv("HOME") instead of getpwuid(geteuid())->pw_dir - * read_config_file.c, display_args.c: remove "ignore" argtype; - that's what "void" is for - * packaging/debian/: misc fixes, sync with version 0.5-2 - * etc/ltrace.conf: added more system calls - * testsuite/ltrace.minor/trace-clone.c: sleep(1) to avoid earlier - termination of process - * sysdeps/linux-gnu/trace.c: trace_pid(): reverted Petr's patch - to wait for child to stop, as it stopped following clone() - * process_event.c: Disable breakpoints before doing fork() (again!), - to make children work as expected - -2007-05-10 Petr Machata - - * Based on work of Supriya Kannery - * wait_for_something.c, process_event.c: Tracing across exec. - * sysdeps/linux-gnu/trace.c, ltrace.h: New interface was_exec. - * testsuite/ltrace.minor/trace-exec.c, - testsuite/ltrace.minor/trace-exec.exp, - testsuite/ltrace.minor/trace-exec1.c: Testcase for same. - -2007-05-09 Petr Machata - - * wait_for_something.c (wait_for_something): Interpret SIGILL, - SIGEMT and SIGSEGV as valid breakpoint signals, if instruction - pointer referes to breakpoint. - * testsuite/ltrace.torture/ia64-sigill.s, - * testsuite/ltrace.torture/ia64-sigill.exp: Testcase for same. - IA64-centric, because the only reproducer is there. - -2007-01-19 Petr Machata - - * sysdeps/linux-gnu/trace.c (trace_pid): wait for child to stop, - as indicated by ptrace documentation. - * proc.c (open_pid): start the traced child again, it will have - been stopped after trace_pid. Fixes tracing with -p. - * breakpoints.c: initialize proc->breakpoints always, don't wait - untill it might be needed. This renders a check in insert_breakpoint - superfluous. Fixes a sigsegvs experienced with -L. - -2006-12-28 Eric Vaitl - - * sysdeps/linux-gnu/mipsel/* Added mipsel support - * debug.h Added printf format attribute to debug_ - * elf.h Added mips relocation data to struct ltelf - * elf.c (do_init_elf) Read mips relocation data - * elf.c (read_elf) On the mips loop through mips_gotsym - instead of relplt_count. - * process_event.c (process_breakpoint) For the mips, - conditionally add a new breakpoint if the address of the - function changes because of lazy relocation. - * breakpoints.c (enable_all_breakpoints) For the mips, - reinsert breakpoints after the child has been started. - - -2006-11-30 Petr Machata - - * elf.c (elf_gnu_hash): renamed to private_elf_gnu_hash to avoid - conflicts with non-static version from libelf. - -2006-11-30 Petr Machata - - * elf.c (in_load_libraries): removed unused variables - bitmask_idxbits and shift. - * elf.c (do_init_elf, opd2addr): use ARCH_SUPPORTS_OPD to - determine whether to load/use .opd section - * sysdeps/linux-gnu/*/arch.h: define ARCH_SUPPORTS_OPD accordingly - * breakpoints.c (insert_breakpoint): rewrite loop to canonical for - -2006-10-13 Olaf Hering - - * options.c: fix up typo for config file - -2006-09-25 Olaf Hering - - * elf.c, elf.h : remove confilict with glibc SHT_GNU_HASH, include - elf_gnu_hash() directly, remove special casing and fix up output - specifier. - -2006-09-18 Steve Fink - - * display_args.c: store arg_num in arg_type_info - * display_args.c: support 'double' parameters - * display_args.c: fix implementation of float,double params for ia64 - * output.c, process_event.c: store arg_num in arg_type_info - * read_config_file.c: support 'double' parameters - * read_config_file.c: store arg_num in arg_type_info, and as a result, - stop using singleton objects for any of the arg_type_info's. - * read_config_file.c: improve support for struct field alignments - * read_config_file.c: count floating-point parameters to support ia64 - float parameter passing - * sysdeps/README, sysdeps/linux-gnu/*/trace.c: pass in the full - arg_type_info to gimme_arg rather than just the arg_num (necessary - for float params on some architectures) - * sysdeps/linux-gnu/ia64/trace.c: accommodate register renaming when - fetching the parameters of a function after it has returned - * sysdeps/linux-gnu/ia64/trace.c: support floating point parameters - -2006-09-15 Olaf Hering - - * Makefile.in : allow installation as non-root user, print out - some debugging information before running test suite. - * summary.c : allow compilation without USE_DEMANGLE - * sysdeps/linux-gnu/ppc/plt.c : fix warning in sym2addr - * sysdeps/linux-gnu/ia64/regs.c : fix warning when finding - instruction slot - * elf.c : fix up error created in 2006-07-26 refactor - -2006-08-14 Steve Fink - - * demangle.c: remove my_demagle_dict_clear(), remove atexit() call - for same. Avoid potential segfault as demangling uses the - dictionary. - -2006-08-07 Steve Fink - - * display_args.c, etc/ltrace.conf, ltrace.h, read_config_file.c, - testsuite/ltrace.main/parameters-lib.c, - testsuite/ltrace.main/parameters.c, - testsuite/ltrace.main/parameters.conf, - testsuite/ltrace.main/parameters.exp: Allow parameters to be - pointers to structs, which themselves can contain - (nearly) any other type, including other structs or pointers to - structs. - - -2006-08-07 Steve Fink - - * defs.h, display_args.c, etc/ltrace.conf, ltrace.1, ltrace.h, - options.c, options.h, read_config_file.c, - testsuite/ltrace.main/parameters-lib.c, - testsuite/ltrace.main/parameters.c, - testsuite/ltrace.main/parameters.conf, - testsuite/ltrace.main/parameters.exp: array arguments - -2006-08-07 Steve Fink - - * etc/ltrace.conf, read_config_file.c, - testsuite/ltrace.main/parameters-lib.c, - testsuite/ltrace.main/parameters.c, - testsuite/ltrace.main/parameters.conf, - testsuite/ltrace.main/parameters.exp: add ability to typedef - -2006-08-07 Steve Fink - - * display_args.c, etc/ltrace.conf, ltrace.h, read_config_file.c, - testsuite/ltrace.main/parameters-lib.c, - testsuite/ltrace.main/parameters.c, - testsuite/ltrace.main/parameters.conf, - testsuite/ltrace.main/parameters.exp: short, ushort and float types - -2006-08-07 Steve Fink - - * display_args.c, etc/ltrace.conf, ltrace.h, read_config_file.c, - testsuite/ltrace.main/parameters-lib.c, - testsuite/ltrace.main/parameters.c, - testsuite/ltrace.main/parameters.conf, - testsuite/ltrace.main/parameters.exp: implement enumerated parameters - -2006-08-07 Steve Fink - - * testsuite/ltrace.main/Makefile.in : update testsuite for - new parameters - * testsuite/ltrace.main/parameters-lib.c : added - * testsuite/ltrace.main/parameters.c : added - * testsuite/ltrace.main/parameters.conf : added - * testsuite/ltrace.main/parameters.exp : added - -2006-08-07 Steve Fink - - * display_args.c, etc/ltrace.conf, ltrace.h, read_config_file.c, - sysdeps/README, sysdeps/linux-gnu-trace.c : switch to passing - around values rather than argument numbers that need to be fetched - (needed for pointer params) - -2006-08-07 Steve Fink - - * display_args.c, etc/ltrace.conf, ltrace.h, read_config_file.c: - implement ignored arguments - -2006-08-07 Steve Fink - - * display_args.c, etc/ltrace.conf, ltrace.h, read_config_file.c: - implement string[argN] and string[N] parameter descriptors - -2006-08-07 Steve Fink - - * ltrace.h, output.c, read_config_file.c : use arg_type_info in - place of arg_type in order to eventually be able to record - properties along with types. - -2006-07-20 Steve Fink - - * testsuite/lib/ltrace.exp: better quoting and error detection for - ltrace_verify_output's call to grep - -2006-08-07 Steve Fink - - * ltrace.1: update bug email addr - -2006-07-26 Ian Wienand - - * elf.c: refactor opd2addr to not pass void* (fix warnings) - -2006-07-18 Petr Machata - - * elf.c: replace nonexistant elf_plt2addr with opd2addr, fix - typo, and fix WEAK symbol detection - * sysdeps/linux-gnu/ppc/arch.h: define breakpoint instruction, - its length, etc., also on ppc32 - -2006-07-18 Petr Machata - - * elf.c: support .gnu.hash ELF entry - * elf.h: likewise - -2006-07-18 Petr Machata - - * options.c: don't hardcode version number - -2006-07-18 Justin Pryzby - - * ltrace.1: make demagle clearer - -2006-07-16 Steve Fink - - * options.c: implement -F flag for alternate config file(s) - * ltrace.c: load SYSCONFDIR/ltrace.conf and ~/.ltrace.conf by default - -2006-06-19 Ian Wienand - - * sysdeps/linux-gnu/mksyscallent: update, fix for ia64 - * sysdeps/linux-gnu/i386/syscallent.h: regenerate to 2.6.17 - * sysdeps/linux-gnu/i386/signalent.h: likewise - * sysdeps/linux-gnu/arm/syscallent.h: likewise - * sysdeps/linux-gnu/arm/signalent.h: likewise - * sysdeps/linux-gnu/m68k/syscallent.h: likewise - * sysdeps/linux-gnu/m68k/signalent.h: likewise - * sysdeps/linux-gnu/ia64/syscallent.h: likewise - * sysdeps/linux-gnu/ia64/signalent.h: likewise - -2006-06-19 Heiko Carstens - - * sysdeps/linux-gnu/s390/syscalls31.h: update to 2.6.17 - * sysdeps/linux-gnu/s390/syscalls64.h: ditto - -2006-06-16 Justin Pryzby - - * ltrace.1: spelling fix - * TODO: spelling fix - -2006-06-14 Ian Wienand - - * configure.ac: Bump version to 0.5 for Paull Gillam's PPC64 - non-exec PLT patch (as merged below). - * breakpoints.c: merge - * elf.c: merge - * elf.h: merge - * ltrace.h: merge - * output.c: merge - * process_event.c: merge - * sysdeps/linux-gnu/alpha/plt.c: merge - * sysdeps/linux-gnu/arm/plt.c: merge - * sysdeps/linux-gnu/breakpoint.c: merge - * sysdeps/linux-gnu/i386/plt.c: merge - * sysdeps/linux-gnu/ia64/plt.c: merge - * sysdeps/linux-gnu/m68k/plt.c: merge - * sysdeps/linux-gnu/ppc/arch.h: merge - * sysdeps/linux-gnu/ppc/arch.h.rej: merge - * sysdeps/linux-gnu/ppc/plt.c: merge - * sysdeps/linux-gnu/s390/plt.c: merge - * sysdeps/linux-gnu/sparc/plt.c: merge - * sysdeps/linux-gnu/x86_64/plt.c: merge - - -2006-05-11 Heiko Carstens - - * sysdeps/linux-gnu/mksyscallent_s390: add - * sysdeps/linux-gnu/s390/syscalls31.h: update to 2.6.16 - * sysdeps/linux-gnu/s390/syscalls64.h: ditto - -2006-04-24 Paul Gilliam - - * elf.c: Use PLT_REINITALISATION_BP for those architectures that need - to re-initialize breakpoints after the dynamic linker has run. Also, - use value of "e_entry" for address of PLT_REINITALISATION_BP if the - target program has been stripped. - * ltrace.1: Note that fact that "-X" is only available on architectures - that need it. - * options.c: Use PLT_REINITALISATION_BP for those architectures that - need to re-initialize breakpoints after the dynamic linker has run. - * process_event.c: ditto. - * sysdeps/linux-gnu/ppc/arch.h: This is the only such architecture. - * sysdeps/linux-gnu/arm/arch.h: Delete use of PLT_REINITALISATION_BP. - * sysdeps/linux-gnu/m68k/arch.h: ditto. - * sysdeps/linux-gnu/alpha/arch.h: ditto. - * sysdeps/linux-gnu/i386/arch.h: ditto. - * sysdeps/linux-gnu/x86_64/arch.h: ditto. - * sysdeps/linux-gnu/s390/arch.h: ditto. - * sysdeps/linux-gnu/ia64/arch.h: ditto. - * sysdeps/linux-gnu/sparc/arch.h: ditto. - -2006-04-24 Paul Gilliam - - * elf.c: Adds some casts to keep a more picky version of GCC happy. - * sysdeps/linux-gnu/trace.c: ditto. - * sysdeps/linux-gnu/breakpoint.c: ditto. - * ltrace.h: ditto. - -2006-04-24 Paul Gilliam - - * summery.c: Correct a typo prevented the inclusion of "demangle.h". - -2006-03-16 Ian Wienand - - * testsuite/ltrace.minor/trace-clone.c: use __clone2() for IA64 - clone test - -2006-03=13 Paul Gilliam - - * Makefile.in: Add targets to support testsuite, including 'check'. - * confiure.ac: Add testsuite Makefile's to AC_OUTPUT. - * testsuite: Add dejagnu base testsuite. - * testsuite/config/: Add - * testsuite/config/unix.exp: Add - * testsuite/lib/: Add - * testsuite/lib/compiler.c: Add - * testsuite/lib/compiler.cc: Add - * testsuite/lib/ltrace.exp: Add - * testsuite/ltrace.main/: Add - * testsuite/ltrace.main/main.c: Add - * testsuite/ltrace.main/main.exp: Add - * testsuite/ltrace.main/main-internal-1.c: Add - * testsuite/ltrace.main/main-internal.c: Add - * testsuite/ltrace.main/main-internal.exp: Add - * testsuite/ltrace.main/main-lib.c: Add - * testsuite/ltrace.main/Makefile.in: Add - * testsuite/ltrace.main/signals.c: Add - * testsuite/ltrace.main/signals.exp: Add - * testsuite/ltrace.main/system_calls.c: Add - * testsuite/ltrace.main/system_calls.exp: Add - * testsuite/ltrace.minor/: Add - * testsuite/ltrace.minor/attach-process.c: Add - * testsuite/ltrace.minor/attach-process.exp: Add - * testsuite/ltrace.minor/count-record.c: Add - * testsuite/ltrace.minor/count-record.exp: Add - * testsuite/ltrace.minor/demangle.cpp: Add - * testsuite/ltrace.minor/demangle.exp: Add - * testsuite/ltrace.minor/demangle.h: Add - * testsuite/ltrace.minor/demangle-lib.cpp: Add - * testsuite/ltrace.minor/Makefile.in: Add - * testsuite/ltrace.minor/print-instruction-pointer.c: Add - * testsuite/ltrace.minor/print-instruction-pointer.exp: Add - * testsuite/ltrace.minor/time-record.c: Add - * testsuite/ltrace.minor/time-record-T.exp: Add - * testsuite/ltrace.minor/time-record-tt.exp: Add - * testsuite/ltrace.minor/time-record-ttt.exp: Add - * testsuite/ltrace.minor/trace-clone.c: Add - * testsuite/ltrace.minor/trace-clone.exp: Add - * testsuite/ltrace.minor/trace-fork.c: Add - * testsuite/ltrace.minor/trace-fork.exp: Add - * testsuite/ltrace.torture/: Add - * testsuite/ltrace.torture/Makefile.in: Add - * testsuite/ltrace.torture/signals.c: Add - * testsuite/ltrace.torture/signals.exp: Add - * testsuite/Makefile.in: Add - * testsuite/README: Add - * testsuite/run-my-tests.sh: Add - * testsuite/so_test1/: Add - * testsuite/so_test2/: Add - -2006-03-13 Paul Gilliam - - * options.h: New structure for opt_x list elements, now with 'found'. - * options.c: Use new opt_x_t structure, initializing 'found' to 0. - * elf.c: Use new 'found' field for better error checking. - -2006-03-06 Ian Wienand - - * Makefile.in: remove unneeded dirs from make dist; use rm - directly. - -2006-02-22 Ian Wienand - - * COPYING: update from FSF to update address - * Makefile.in: check for SVN checkout with make dist. - -2006-02-21 Ian Wienand - - * README: update to point to Alioth list - -2006-02-21 Ian Wienand - - * lots!: Rebase from RedHat 0.3.36-4.2 package. Forward port most - of the below changes that weren't already there. Bump version to - 0.4 as there are two added architectures and internal API changes. - All changes from this point on should be reflected in this file. - -2006-02-17 Ian Wienand - - * sysdeps/linux-gnu/ia64/arch.h: add ia64 support - * sysdeps/linux-gnu/ia64/breakpoint.c: add - * sysdeps/linux-gnu/ia64/Makefile: add - * sysdeps/linux-gnu/ia64/plt.c: add - * sysdeps/linux-gnu/ia64/ptrace.h: add - * sysdeps/linux-gnu/ia64/regs.c: add - * sysdeps/linux-gnu/ia64/signalent.h: add - * sysdeps/linux-gnu/ia64/syscallent.h: add - * sysdeps/linux-gnu/ia64/trace.c: add - * elf.h: add extra field for PLT size - * elf.c: put in PLT size - * sysdeps/linux-gnu/breakpoint.c: add arch breakpoint override - * sysdeps/linux-gnu/trace.c: don't single step after breakpoint for - ia64 - - * configure.ac: add version to AC_INIT, bump version to 0.3.38 - * options.c: use PACKAGE_VERSION - -2006-02-16 Ian Wienand - - * Makefile.in: install documentation into share/doc, make dist - target from SVN export. - -2006-02-16 Rajeev V. Pillai - - * Makefile.in: pass through CPP and LD FLAGS - -2006-02-16 Ian Wienand - - * read_config_file.c: initialise pt stack argument to stop warning - * summary.c: make show_summary() obey -C for demangaling function names - -2006-02-16 Bernd Zeimetz - - * ltrace.1: reference reportbug - -2006-02-16 Colin S. Miller - - * ltrace.1: fix debug typo - -2006-02-16 Andrew Stribblehill - - * etc/ltrace.conf: fix putenv typo - -2006-02-16 Ian Wienand - - * README: update - * Makefile.in: remove obsolete -I- for -iquote, add TAGS target - * debug.c, debug.h: __PRETTY_FUNCTION__ is const; change specifier - to stop warnings. - * ltrace.1: add a note about not tracing dlopen()ed libraries diff --git a/INSTALL b/INSTALL index cdfdee6..7d1c323 100644 --- a/INSTALL +++ b/INSTALL @@ -1,19 +1,365 @@ -How to build ltrace from source -------------------------------- +Installation Instructions +************************* -To get the latest version from GIT: +Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2004, 2005, +2006, 2007, 2008, 2009 Free Software Foundation, Inc. - git clone git://git.debian.org/git/collab-maint/ltrace.git + Copying and distribution of this file, with or without modification, +are permitted in any medium without royalty provided the copyright +notice and this notice are preserved. This file is offered as-is, +without warranty of any kind. -To create a distribution (ltrace-.tar.gz): +Basic Installation +================== - ./mkdist + Briefly, the shell commands `./configure; make; make install' should +configure, build, and install this package. The following +more-detailed instructions are generic; see the `README' file for +instructions specific to this package. Some packages provide this +`INSTALL' file but do not implement all of the features documented +below. The lack of an optional feature in a given package is not +necessarily a bug. More recommendations for GNU packages can be found +in *note Makefile Conventions: (standards)Makefile Conventions. -To compile: + The `configure' shell script attempts to guess correct values for +various system-dependent variables used during compilation. It uses +those values to create a `Makefile' in each directory of the package. +It may also create one or more `.h' files containing system-dependent +definitions. Finally, it creates a shell script `config.status' that +you can run in the future to recreate the current configuration, and a +file `config.log' containing compiler output (useful mainly for +debugging `configure'). - ./configure - make + It can also use an optional file (typically called `config.cache' +and enabled with `--cache-file=config.cache' or simply `-C') that saves +the results of its tests to speed up reconfiguring. Caching is +disabled by default to prevent problems with accidental use of stale +cache files. -To build debian/control (to create Debian package): + If you need to do unusual things to compile the package, please try +to figure out how `configure' could check whether to do them, and mail +diffs or instructions to the address given in the `README' so they can +be considered for the next release. If you are using the cache, and at +some point `config.cache' contains results you don't want to keep, you +may remove or edit it. + + The file `configure.ac' (or `configure.in') is used to create +`configure' by a program called `autoconf'. You need `configure.ac' if +you want to change it or regenerate `configure' using a newer version +of `autoconf'. + + The simplest way to compile this package is: + + 1. `cd' to the directory containing the package's source code and type + `./configure' to configure the package for your system. + + Running `configure' might take a while. While running, it prints + some messages telling which features it is checking for. + + 2. Type `make' to compile the package. + + 3. Optionally, type `make check' to run any self-tests that come with + the package, generally using the just-built uninstalled binaries. + + 4. Type `make install' to install the programs and any data files and + documentation. When installing into a prefix owned by root, it is + recommended that the package be configured and built as a regular + user, and only the `make install' phase executed with root + privileges. + + 5. Optionally, type `make installcheck' to repeat any self-tests, but + this time using the binaries in their final installed location. + This target does not install anything. Running this target as a + regular user, particularly if the prior `make install' required + root privileges, verifies that the installation completed + correctly. + + 6. You can remove the program binaries and object files from the + source code directory by typing `make clean'. To also remove the + files that `configure' created (so you can compile the package for + a different kind of computer), type `make distclean'. There is + also a `make maintainer-clean' target, but that is intended mainly + for the package's developers. If you use it, you may have to get + all sorts of other programs in order to regenerate files that came + with the distribution. + + 7. Often, you can also type `make uninstall' to remove the installed + files again. In practice, not all packages have tested that + uninstallation works correctly, even though it is required by the + GNU Coding Standards. + + 8. Some packages, particularly those that use Automake, provide `make + distcheck', which can by used by developers to test that all other + targets like `make install' and `make uninstall' work correctly. + This target is generally not run by end users. + +Compilers and Options +===================== + + Some systems require unusual options for compilation or linking that +the `configure' script does not know about. Run `./configure --help' +for details on some of the pertinent environment variables. + + You can give `configure' initial values for configuration parameters +by setting variables in the command line or in the environment. Here +is an example: + + ./configure CC=c99 CFLAGS=-g LIBS=-lposix + + *Note Defining Variables::, for more details. + +Compiling For Multiple Architectures +==================================== + + You can compile the package for more than one kind of computer at the +same time, by placing the object files for each architecture in their +own directory. To do this, you can use GNU `make'. `cd' to the +directory where you want the object files and executables to go and run +the `configure' script. `configure' automatically checks for the +source code in the directory that `configure' is in and in `..'. This +is known as a "VPATH" build. + + With a non-GNU `make', it is safer to compile the package for one +architecture at a time in the source code directory. After you have +installed the package for one architecture, use `make distclean' before +reconfiguring for another architecture. + + On MacOS X 10.5 and later systems, you can create libraries and +executables that work on multiple system types--known as "fat" or +"universal" binaries--by specifying multiple `-arch' options to the +compiler but only a single `-arch' option to the preprocessor. Like +this: + + ./configure CC="gcc -arch i386 -arch x86_64 -arch ppc -arch ppc64" \ + CXX="g++ -arch i386 -arch x86_64 -arch ppc -arch ppc64" \ + CPP="gcc -E" CXXCPP="g++ -E" + + This is not guaranteed to produce working output in all cases, you +may have to build one architecture at a time and combine the results +using the `lipo' tool if you have problems. + +Installation Names +================== + + By default, `make install' installs the package's commands under +`/usr/local/bin', include files under `/usr/local/include', etc. You +can specify an installation prefix other than `/usr/local' by giving +`configure' the option `--prefix=PREFIX', where PREFIX must be an +absolute file name. + + You can specify separate installation prefixes for +architecture-specific files and architecture-independent files. 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The approach of +makefile variable overrides for each directory variable is required by +the GNU Coding Standards, and ideally causes no recompilation. +However, some platforms have known limitations with the semantics of +shared libraries that end up requiring recompilation when using this +method, particularly noticeable in packages that use GNU Libtool. + + The second method involves providing the `DESTDIR' variable. For +example, `make install DESTDIR=/alternate/directory' will prepend +`/alternate/directory' before all installation names. The approach of +`DESTDIR' overrides is not required by the GNU Coding Standards, and +does not work on platforms that have drive letters. On the other hand, +it does better at avoiding recompilation issues, and works well even +when some directory options were not specified in terms of `${prefix}' +at `configure' time. + +Optional Features +================= + + If the package supports it, you can cause programs to be installed +with an extra prefix or suffix on their names by giving `configure' the +option `--program-prefix=PREFIX' or `--program-suffix=SUFFIX'. + + Some packages pay attention to `--enable-FEATURE' options to +`configure', where FEATURE indicates an optional part of the package. +They may also pay attention to `--with-PACKAGE' options, where PACKAGE +is something like `gnu-as' or `x' (for the X Window System). 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If GNU +CC is not installed, it is recommended to use the following options in +order to use an ANSI C compiler: + + ./configure CC="cc -Ae -D_XOPEN_SOURCE=500" + +and if that doesn't work, install pre-built binaries of GCC for HP-UX. + + On OSF/1 a.k.a. Tru64, some versions of the default C compiler cannot +parse its `' header file. The option `-nodtk' can be used as +a workaround. If GNU CC is not installed, it is therefore recommended +to try + + ./configure CC="cc" + +and if that doesn't work, try + + ./configure CC="cc -nodtk" + + On Solaris, don't put `/usr/ucb' early in your `PATH'. This +directory contains several dysfunctional programs; working variants of +these programs are available in `/usr/bin'. So, if you need `/usr/ucb' +in your `PATH', put it _after_ `/usr/bin'. + + On Haiku, software installed for all users goes in `/boot/common', +not `/usr/local'. It is recommended to use the following options: + + ./configure --prefix=/boot/common + +Specifying the System Type +========================== + + There may be some features `configure' cannot figure out +automatically, but needs to determine by the type of machine the package +will run on. Usually, assuming the package is built to be run on the +_same_ architectures, `configure' can figure that out, but if it prints +a message saying it cannot guess the machine type, give it the +`--build=TYPE' option. TYPE can either be a short name for the system +type, such as `sun4', or a canonical name which has the form: + + CPU-COMPANY-SYSTEM + +where SYSTEM can have one of these forms: + + OS + KERNEL-OS + + See the file `config.sub' for the possible values of each field. If +`config.sub' isn't included in this package, then this package doesn't +need to know the machine type. + + If you are _building_ compiler tools for cross-compiling, you should +use the option `--target=TYPE' to select the type of system they will +produce code for. + + If you want to _use_ a cross compiler, that generates code for a +platform different from the build platform, you should specify the +"host" platform (i.e., that on which the generated programs will +eventually be run) with `--host=TYPE'. + +Sharing Defaults +================ + + If you want to set default values for `configure' scripts to share, +you can create a site shell script called `config.site' that gives +default values for variables like `CC', `cache_file', and `prefix'. +`configure' looks for `PREFIX/share/config.site' if it exists, then +`PREFIX/etc/config.site' if it exists. Or, you can set the +`CONFIG_SITE' environment variable to the location of the site script. +A warning: not all `configure' scripts look for a site script. + +Defining Variables +================== + + Variables not defined in a site shell script can be set in the +environment passed to `configure'. However, some packages may run +configure again during the build, and the customized values of these +variables may be lost. In order to avoid this problem, you should set +them in the `configure' command line, using `VAR=value'. For example: + + ./configure CC=/usr/local2/bin/gcc + +causes the specified `gcc' to be used as the C compiler (unless it is +overridden in the site shell script). + +Unfortunately, this technique does not work for `CONFIG_SHELL' due to +an Autoconf bug. Until the bug is fixed you can use this workaround: + + CONFIG_SHELL=/bin/bash /bin/bash ./configure CONFIG_SHELL=/bin/bash + +`configure' Invocation +====================== + + `configure' recognizes the following options to control how it +operates. + +`--help' +`-h' + Print a summary of all of the options to `configure', and exit. + +`--help=short' +`--help=recursive' + Print a summary of the options unique to this package's + `configure', and exit. The `short' variant lists options used + only in the top level, while the `recursive' variant lists options + also present in any nested packages. + +`--version' +`-V' + Print the version of Autoconf used to generate the `configure' + script, and exit. + +`--cache-file=FILE' + Enable the cache: use and save the results of the tests in FILE, + traditionally `config.cache'. FILE defaults to `/dev/null' to + disable caching. + +`--config-cache' +`-C' + Alias for `--cache-file=config.cache'. + +`--quiet' +`--silent' +`-q' + Do not print messages saying which checks are being made. To + suppress all normal output, redirect it to `/dev/null' (any error + messages will still be shown). + +`--srcdir=DIR' + Look for the package's source code in directory DIR. Usually + `configure' can determine that directory automatically. + +`--prefix=DIR' + Use DIR as the installation prefix. *note Installation Names:: + for more details, including other options available for fine-tuning + the installation locations. + +`--no-create' +`-n' + Run the configure checks, but stop before creating any output + files. + +`configure' also accepts some other, not widely useful, options. Run +`configure --help' for more details. - debian/rules debian/control DEB_AUTO_UPDATE_DEBIAN_CONTROL:=yes diff --git a/Makefile.am b/Makefile.am new file mode 100644 index 0000000..6e46949 --- /dev/null +++ b/Makefile.am @@ -0,0 +1,157 @@ +# This file is part of ltrace. +# Copyright (C) 2012 Petr Machata, Red Hat Inc. +# Copyright (C) 2010 Marc Kleine-Budde, Pengutronix +# Copyright (C) 2010 Zachary T Welch, CodeSourcery +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA + +ACLOCAL_AMFLAGS = -I config/m4 + +SUBDIRS = \ + sysdeps \ + . \ + testsuite + +AM_CPPFLAGS += \ + $(libelf_CFLAGS) \ + -DSYSCONFDIR=\"$(sysconfdir)\" + +noinst_LTLIBRARIES = \ + libltrace.la + +libltrace_la_SOURCES = \ + breakpoints.c \ + debug.c \ + demangle.c \ + dict.c \ + ltrace-elf.c \ + execute_program.c \ + handle_event.c \ + libltrace.c \ + options.c \ + output.c \ + proc.c \ + read_config_file.c \ + summary.c \ + library.c \ + filter.c \ + glob.c \ + type.c \ + value.c \ + value_dict.c \ + expr.c \ + fetch.c \ + vect.c \ + param.c \ + printf.c \ + zero.c \ + lens.c \ + lens_default.c \ + lens_enum.c + +libltrace_la_LIBADD = \ + $(libelf_LIBS) \ + $(liberty_LIBS) \ + $(libsupcxx_LIBS) \ + $(libstdcxx_LIBS) \ + $(libunwind_LIBS) \ + sysdeps/libos.la + + +bin_PROGRAMS = \ + ltrace + +ltrace_SOURCES = \ + main.c + +ltrace_LDADD = \ + libltrace.la + + +noinst_HEADERS = \ + backend.h \ + breakpoint.h \ + common.h \ + debug.h \ + defs.h \ + demangle.h \ + dict.h \ + forward.h \ + ltrace-elf.h \ + ltrace.h \ + options.h \ + output.h \ + proc.h \ + read_config_file.h \ + library.h \ + filter.h \ + glob.h \ + vect.h \ + type.h \ + value.h \ + value_dict.h \ + callback.h \ + expr.h \ + fetch.h \ + vect.h \ + param.h \ + printf.h \ + zero.h \ + lens.h \ + lens_default.h \ + lens_enum.h + +dist_man1_MANS = ltrace.1 +dist_man5_MANS = ltrace.conf.5 + +dist_doc_DATA = COPYING CREDITS INSTALL README TODO + +dist_sysconf_DATA = \ + etc/ltrace.conf + +EXTRA_DIST = \ + ltrace.spec \ + debian/changelog \ + debian/compat \ + debian/control \ + debian/copyright \ + debian/rules + +MAINTAINERCLEANFILES = \ + configure \ + Makefile.in \ + aclocal.m4 \ + config.h.in \ + config.h.in~ \ + config/autoconf/compile \ + config/autoconf/config.guess \ + config/autoconf/config.sub \ + config/autoconf/depcomp \ + config/autoconf/install-sh \ + config/autoconf/ltmain.sh \ + config/autoconf/mdate-sh \ + config/autoconf/missing \ + config/autoconf/texinfo.tex \ + libtool.m4 \ + ltoptions.m4 \ + ltsugar.m4 \ + ltversion.m4 \ + lt~obsolete.m4 \ + $(DIST_ARCHIVES) + +maintainer-clean-local: + -chmod -R a+rw $(distdir) + -rm -fr $(distdir) diff --git a/Makefile.in b/Makefile.in index 1e8adcd..ebf0884 100644 --- a/Makefile.in +++ b/Makefile.in @@ -1,74 +1,1203 @@ +# Makefile.in generated by automake 1.11.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, +# Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# This file is part of ltrace. +# Copyright (C) 2012 Petr Machata, Red Hat Inc. +# Copyright (C) 2010 Marc Kleine-Budde, Pengutronix +# Copyright (C) 2010 Zachary T Welch, CodeSourcery +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. # -# ltrace's Makefile.in +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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It changed the symbol name internally to the form + name@libfoo.so. Thus mangled, symbols were not found in config + files. + +* Version 0.7.1 [2012-11-29 Thu] +** Bugfixes +*** ltrace.conf.5 is now installed to man5 as it should be +*** [PowerPC] A header file necessary for building is now shipped +*** [MIPS] Work around duplicate symbol request bug + This fixes the ltrace abort: + | ./ltrace: proc.c: 755: breakpoint_for_symbol: Assertion `bp->libsym == ((void *)0)' failed. + +*** Detect VDSO entry in r_debug linkmap with non-empty name + This bug caused messages like: + | Couldn't determine base address of linux-vdso32.so.1 + | Couldn't load ELF object linux-vdso32.so.1: No such file or directory + +*** Temporary files are wiped properly after the test suite has been run +*** Parsing typedefs with common prefix now works as it should + More exactly, if there were typedefs X and XY (in this order), and + a reference was made to X, ltrace would match XY instead. + +** Cofiguration Files +*** The following prototypes in ltrace.conf were added or updated + __ctype_get_mb_cur_max, __endmntent, __getmntent_r, __setmntent, + a64l, abort, abs, addmntent, getmntent_r, hasmntopt, inet_addr, + inet_aton, inet_lnaof, inet_makeaddr, inet_netof, inet_network, + inet_ntoa, kill, l64a, labs, memcpy, memmove, setlocale, + sigaction, sigaddset, sigandset, sigdelset, sigemptyset, + sigfillset, sigisemptyset, sigismember, signal, sigorset, + sigpending, sigprocmask, sigsuspend. + +*** Duplicate typedefs are now guarded against +*** It's now possible to define recursive structures + Please read ltrace.conf(5) man page, chapter "recursive + structures", to learn about this new feature. + +*** New lens "bitvec" is available + This allows displaying various data types as bit vectors. Please + read ltrace.conf(5) to learn more. + +*** Octal lens renamed to "oct" + For reasons of consistency with "hex". "octal" is still valid and + will be for forseeable future. + +*** The hex lens can now format floating point arguments + +* Version 0.7.0 [2012-11-09 Fri] +** Tracing +*** Full support for tracing multi-threaded processes + + Ltrace now understands thread groups, and it stops all threads + before manipulating breakpoints. The downside is that performance + of multi-threaded processes is rather bad, because handling any + event implies stopping the whole job. The upside is that + individual threads don't get random SIGILL's and SIGSEGV's and + events are not missed. + +*** Support for tracing inter-library calls + + -e and -x were extended to allow library selectors. See the man + page for details. + +*** Better support for parameter passing ("fetch backend") + + This version brings more complete support for parameter passing, + including passing structures in registers, passing double on i386, + and other edge cases that were not handled correctly before. The + following architectures now have implementation of fetch backend: + i386, x86_64, ppc, ppc64, ia64, s390, s390x, m68k. + +*** Awareness of deny_ptrace SELinux boolean + + The deny_ptrace boolean denies all processes from being able to + use ptrace to manipulate other processes. Ltrace now understands + that this boolean exists, and recommends turning it off, if it is + on and ltrace fails to attach to a process. + +*** Limited support for tracing returns from tail call functions +*** -e, -x and -l selectors now allow using globs and regular expressions + + See the man page for details of the selector syntax. This changes + the way -x and -l behave with respect to tracing libraries opened + by dlopen: + + - In 0.6.0, only those -x symbols that were unmatched in main + binary were used to search through symbol table of libraries + opened with dlopen. In 0.7.0, -x and -e are applied uniformly + to each mapped binary: the main binary, dependent DSO's, and any + dlopened libraries. + + - In 0.6.0, -l argument was a filename to open and inspect. In + 0.7.0, -l is a glob expression matched against each mapped + binary. + +*** -g command line option dropped + + This option was introduced in 0.6.0 with the meaning identical to + -L, which should be used instead. + +*** Test suite can now be run under valgrind + + Use --enable-valgrind to turn this on. + +*** [ppc] Support both BSS and secure PLTs for 32-bit processes +*** [mips] Implement software singlestepping +*** [mips] Add support for CPIC main programs +*** Support tracing PIE binaries + +** Configuration Files + +*** New abstraction: parameter pack + + Parameter packs describe zero or more of actual arguments, whose + type can be determined in runtime. The only parameter pack + currently implemented is "format" for decoding printf-style format + strings. + + In future, it should be relatively straightforward to add more + parameter packs for functions like execl, and others. + +*** New expression: zero + + When used in array length expressions, it means "this array ends + at the first element with zero value". C strings are essentially + array(char, zero)*. + +*** Lenses: change the way that underlying type is rendered + + Lenses are used similarly to parametrized types, e.g.: + | void func(lens(int)); | + +**** octal + + "octal", which used to be a separate type, is now lens, which can + be used to render any underlying type in base 8. Plain "octal" + is still valid and means the same thing as "octal(int)". + +**** hex, hide, bool + + Similarly, "hex" lens was introduced to format as base 16. + "hide" was introduced to conceal given argument. "bool" lens was + added to format objects as either true, or false. + +**** enum + + "enum" became lens as well. Because enum already uses + parentheses to denote the list of enumeration values, the + underlying type is selected by square brackets: + + | void func(enum[short](RED,GREEN,BLUE)); | + +**** string + + "string" was also turned to lens. The argument can be either a + char*, or pointer to array of char, or array of char. The latter + is useful in cases like the following: + + | void func_struct_2(struct(string(array(char, 6)))); | + +*** Misspelling of "int" as "itn" temporarily accepted, but deprecated + + Pre-0.7 ltrace shipped a buggy version of ltrace.conf that + contained the following prototype: + + | itn acl_valid(addr); | + + To support extant versions of ltrace.conf, that use is now + considered valid, and "itn" is a synonym of "int". It is however + deprecated, and will produce a warning in future. + +*** Using void as top-level function argument now deprecated + + Functions that take no arguments shouldn't pretend to take one + parameter of void type. For example the following: + + | int fork(void); | + + ... should be declared like this: + + | int fork(); | + + To support extant versions of ltrace.conf, that use is now + considered valid. It is however deprecated, and will produce a + warning in future. + +*** Using void to hide one argument is now obsolete + + Ltrace needs to know the exact underlying type to decide what the + calling convention is. The use of void to mean "hide this + argument", such as the following example, is therefore obsolete: + + | void func(void, array(int, arg1)); | + + Instead, rewrite the prototype depending on the exact underlying + type: + + | void func(hide(int), array(int, arg1)); | + | void func(hide(long), array(int, arg1)); | + + To support extant versions of ltrace.conf, this use is still + accepted, and "void" is taken to mean "hide(int)". It is however + obsolete, produces a warning, and will be removed in future. + +** Documentation + +*** New manual page ltrace.conf(5) +*** README, INSTALL brought up to date +*** New file CREDITS with a list of contributors + +** Bugfixes + +*** Fix detaching from a process + + Earlier, a process that ltrace detached from would sometimes die + of SIGSEGV, SIGTRAP, or SIGILL. These were caused by ltrace + detaching from the process just after that process hit a + breakpoint. Program counter would thus be left pointing + mid-instruction, or signals would be left pending. + +*** Argument to -n is now checked for validity +*** Fix tracing across exec in a stripped binary +*** [x86] ORIG_RAX/ORIG_EAX may not contain original syscall number + + In cases where the system call shouldn't be restarted, these are + set to -1. In that case assume that the return is from the + topmost syscall. This gets rid of some "unexpected breakpoint" + messages on x86_64 and i386. + +*** [ppc] Fix races in tracing -e events in 64-bit processes + + On ppc, the contents of PLT table change after the first call. + Ltrace used to handle this by reinserting the (now overwritten) + breakpoint after the function returns. This introduced a window + where calls to the same function from the same binary (either a + recursive calls, or calls from another thread) weren't traced. + This is fixed as of 0.7.0. + + As a side effect, events requested via -e now only hit when a PLT + call is made, which is consistent with other architectures. + +*** [ppc] Allow stepping over lwarx instruction + +** Known bugs + +*** [arm] Tracing is not supported at all on ARM + + ltrace might work on older kernels, but no attempt was made to + fully support it. Newer kernels don't support PTRACE_SINGLESTEP, + which ltrace depends on. Before singlestepping is implemented in + software, ARM is considered unsupported. + +* Version 0.6.0 [2011-01-06 Thu] + +** General Features + +*** Use autotools for building +*** New option -b: disables output of signals received by the tracee +*** New option -w: print stack trace of events + + Pass --with-libunwind to configure to enable the feature. This + requires libunwind. + +*** Support tracing of symbols from libraries opened with dlopen + + These symbols are selected by -x. + +** Architecture-specific Changes + +*** Various fixes for MIPS and PowerPC +*** Support for ARM Thumb mode +*** Implement fetching of 5th and further function arguments on s390 +*** Support fork/exec syscalls on 31-bit s390 +*** Support for float and double arguments on x86_64 +*** Fixes for return arguments (after '+') in nested calls on x86_64 + +* License +------------------------------------------------------------------------------- +Copyright (C) 2012 Petr Machata +This file is part of ltrace. + +ltrace is free software; you can redistribute it and/or modify it +under the terms of the GNU General Public License as published by the +Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +ltrace is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +You should have received a copy of the GNU General Public License +along with this program. If not, see . diff --git a/README b/README index ab1a2e5..3db5bc8 100644 --- a/README +++ b/README @@ -1,92 +1,101 @@ - ltrace +This directory contains sources of ltrace. See the file configure.ac +to see what version this is. - A Dynamic Library Tracer +Ltrace is a debugging program which runs a specified command until the +command exits. While the command is executing, ltrace intercepts and +records both the dynamic library calls called by the executed process +and the signals received by the executed process. Ltrace can also +intercept and print system calls executed by the process. - Copyright 1997-2009 Juan Cespedes +For general building and installation instructions, see the file INSTALL. +For list of authors and contributors, see the file CREDITS. -Contents --------- - 0. Authors - 1. Introduction - 2. Where can I find it - 3. How does it work - 4. Where does it work - 5. Bugs - 6. License +ltrace is free software. See the file COPYING for license. +Some documentation on ltrace usage is given in the manual page, which +is in the file ltrace.1. -0. Authors ----------- -ltrace has been developed mainly by Juan Cespedes , -but he has received many contributions from other people. The following -people have contributed significantly to this project: +Supported Targets +----------------- -* César Sánchez -* Santiago Romero -* Pat Beirne (ARM port) -* Roman Hodek (m68k port) -* Morten Eriksen (misc fixes) -* Silvio Cesare (ELF hacking) -* Timothy Fesig (S390 port) -* Anton Blanchard (Powerpc port) -* Jakub Jelinek (SPARC port, support for libelf, many fixes) -* Jakub Bogusz (alpha port) -* SuSE (amd64 port) -* Ian Wienand (IA64 port) -* Eric Vaitl (mipsel port) -* Petr Machata (misc fixes) +The following targets are currently (at least somewhat) supported. +Some of them may be more or less broken in reality, it is not feasible +to test each release comprehensively on each target. -1. Introduction ---------------- + i[4567]86-*-linux-gnu + ia64-*-linux-gnu + m68k-*-linux-gnu + mips-*-linux-gnu + powerpc-*-linux-gnu + powerpc64-*-linux-gnu + s390-*-linux-gnu + s390x-*-linux-gnu + x86_64-*-linux-gnu -ltrace is a debugging tool, similar to strace, but it traces library -calls instead of system calls. +The following systems were supported at some point in past, but +current status is unknown: -2. Where can I find it ----------------------- + sparc*-*-linux-gnu + sparc64*-*-linux-gnu + alpha*-*-linux-gnu -http://www.ltrace.org +Support of the following systems is known to be broken and requires +fixing: -3. How does it work -------------------- + arm-*-linux-gnueabi -Using software breakpoints, just like gdb. -4. Where does it work ---------------------- +Bug Reports +----------- -It works with ELF based Linux systems running on i386, m68k, S/390, -ARM, PowerPC, PowerPC64, IA64, AMD64, SPARC and Alpha processors. +You can send bug reports to . +User requests can also be directed to that address. -It is part of at least Debian GNU/Linux, RedHat, SuSE, Mandrake... +If the ltrace package that you are using came with your operating +system, please be sure to reproduce the problem in unmodified upstream +version of ltrace before reporting a bug. -5. Bugs -------- -Too many to list here :). If you like to submit a bug report, or a -feature request, either do that against the Debian `ltrace' package, -or mail ltrace-devel@lists.alioth.debian.org. +Development +----------- -This file is very incomplete and out-of-date. +ltrace development is hosted by Alioth.Debian.org: -6. License ----------- + https://alioth.debian.org/projects/ltrace/ - Copyright (C) 1997-2009 Juan Cespedes +Release tarballs can be downloaded here: - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. + https://alioth.debian.org/frs/?group_id=30892 - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. +Anonymous GIT access is available via: - You should have received a copy of the GNU General Public License along - with this program; if not, write to the Free Software Foundation, Inc., - 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + git://git.debian.org/git/collab-maint/ltrace.git +If you have anything to contribute, please send an e-mail to +, and attach your patches +formatted with git format-patch. This makes them easy to apply after +review, and such patches also preserve authorship. + +If you intend to work on a feature (essentially anything beyond a +quick one-liner), it is advisable to send an e-mail beforehand. + + +------------------------------------------------------------------------------- +Copyright (C) 2012 Petr Machata +Copyright (C) 1997-2009 Juan Cespedes +This file is part of ltrace. + +ltrace is free software; you can redistribute it and/or modify it +under the terms of the GNU General Public License as published by the +Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +ltrace is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +You should have received a copy of the GNU General Public License +along with this program. If not, see . diff --git a/TODO b/TODO index 5063737..acee057 100644 --- a/TODO +++ b/TODO @@ -1,36 +1,138 @@ -* BFD: - + New executable formats - + Read list of libraries needed - + Read list of undefined symbols in executables - + Read list of exported symbols in libraries - + Read debugging info from executables/libraries -* Automatically update list of syscalls? -* Improve documentation -* Improve -e/-x options (regexp?) -* Improve -l option -* Improve C++ name demangling -* Display different argument types -* Update /etc/ltrace.conf -* More architectures, cleaner way to port -* More operating systems (solaris?) -* Option -I (inter-library calls) -* Modify ARGTYPE_STRING[0-5] types so that they don't stop displaying chars when '\0' is seen -* Get rid of EVENT_ARCH_SYSCALL and EVENT_ARCH_SYSRET -* Cleaner way to use breakpoints: - + BP is placed in the PLT - + When control hits there: - - write down return address - - change return address with another one (handled by ltrace) - - get arguments... - - change the process' PC to be in the correct place, - without removing breakpoint - + When control hits one of our return addresses: - - get return value... - - change PC to the right place -* To be able to work with processes sharing memory, we must: - + ptrace() every single thread - + place breakpoints only in places where the process control can continue - without having to remove it -* List source dependencies in Makefile -* Create different ltrace processes to trace different children -* After a clone(), syscalls may be seen as sysrets in s390 (see trace.c:syscall_p()) +-*-org-*- +* TODO +** Automatic prototype discovery: +*** Use debuginfo if available + Alternatively, use debuginfo to generate configure file. +*** Demangled identifiers contain partial prototypes themselves +** Automatically update list of syscalls? +** Update /etc/ltrace.conf + In particular, we could use a config directory, where packages + would install their ltrace config scripts. The config file could + be named after SONAME, and automatically read when corresponding + library is mapped. +** More operating systems (solaris?) +** Get rid of EVENT_ARCH_SYSCALL and EVENT_ARCH_SYSRET +** Implement displaced tracing + A technique used in GDB (and in uprobes, I believe), whereby the + instruction under breakpoint is moved somewhere else, and followed + by a jump back to original place. When the breakpoint hits, the IP + is moved to the displaced instruction, and the process is + continued. We avoid all the fuss with singlestepping and + reenablement. +** Create different ltrace processes to trace different children +** Config file syntax +*** named arguments + This would be useful for replacing the arg1, emt2 etc. + +*** parameter pack improvements + The above format tweaks require that packs that expand to no types + at all be supported. If this works, then it should be relatively + painless to implement conditionals: + + | void ptrace(REQ=enum(PTRACE_TRACEME=0,...), + | if[REQ==0](pack(),pack(pid_t, void*, void *))) + + This is of course dangerously close to a programming language, and + I think ltrace should be careful to stay as simple as possible. + (We can hook into Lua, or TinyScheme, or some such if we want more + general scripting capabilities. Implementing something ad-hoc is + undesirable.) But the above can be nicely expressed by pattern + matching: + + | void ptrace(REQ=enum[int](...)): + | [REQ==0] => () + | [REQ==1 or REQ==2] => (pid_t, void*) + | [true] => (pid_t, void*, void*); + + Or: + + | int open(string, FLAGS=flags[int](O_RDONLY=00,...,O_CREAT=0100,...)): + | [(FLAGS & 0100) != 0] => (flags[int](S_IRWXU,...)) + + This would still require pretty complete expression evaluation. + _Including_ pointer dereferences and such. And e.g. in accept, we + need subtraction: + + | int accept(int, +struct(short, +array(hex(char), X-2))*, (X=uint)*); + + Perhaps we should hook to something after all. + +*** errno tracking + Some calls result in setting errno. Somehow mark those, and on + failure, show errno. + +*** second conversions? + This definitely calls for some general scripting. The goal is to + have seconds in adjtimex calls show as e.g. 10s, 1m15s or some + such. + +*** format should take arguments like string does + Format should take value argument describing the value that should + be analyzed. The following overwriting rules would then apply: + + | format | format(array(char, zero)*) | + | format(LENS) | X=LENS, format[X] | + + The latter expanded form would be canonical. + + This depends on named arguments and parameter pack improvements + (we need to be able to construct parameter packs that expand to + nothing). + +*** More fine-tuned control of right arguments + Combination of named arguments and some extensions could take care + of that: + + | void func(X=hide(int*), long*, +pack(X)); | + + This would show long* as input argument (i.e. the function could + mangle it), and later show the pre-fetched X. The "pack" syntax is + utterly undeveloped as of now. The general idea is to produce + arguments that expand to some mix of types and values. But maybe + all we need is something like + + | void func(out int*, long*); | + + ltrace would know that out/inout/in arguments are given in the + right order, but left pass should display in and inout arguments + only, and right pass then out and inout. + would be + backward-compatible syntactic sugar, expanded like so: + + | void func(int*, int*, +long*, long*); | + | void func(in int*, in int*, out long*, out long*); | + + But sometimes we may want to see a different type on the way in and + on the way out. E.g. in asprintf, what's interesting on the way in + is the address, but on the way out we want to see buffer contents. + Does something like the following make sense? + + | void func(X=void*, long*, out string(X)); | + +** Support for functions that never return + This would be useful for __cxa_throw, presumably also for longjmp + (do we handle that at all?) and perhaps a handful of others. + +** Support flag fields + enum-like syntax, except disjunction of several values is assumed. +** Support long long + We currently can't define time_t on 32bit machines. That mean we + can't describe a range of time-related functions. + +** Support signed char, unsigned char, char + Also, don't format it as characted by default, string lens can do + it. Perhaps introduce byte and ubyte and leave 'char' as alias of + one of those with string lens applied by default. + +** Support fixed-width types + Really we should keep everything as {u,}int{8,16,32,64} internally, + and have long, short and others be translated to one of those + according to architecture rules. Maybe this could be achieved by a + per-arch config file with typedefs such as: + + | typedef ulong = uint8_t | + +** Some more functions in vect might be made to take const* + Or even marked __attribute__((pure)). + +* BUGS +** After a clone(), syscalls may be seen as sysrets in s390 (see trace.c:syscall_p()) diff --git a/VERSION b/VERSION deleted file mode 100644 index be14282..0000000 --- a/VERSION +++ /dev/null @@ -1 +0,0 @@ -0.5.3 diff --git a/aclocal.m4 b/aclocal.m4 index abe07e0..daee841 100644 --- a/aclocal.m4 +++ b/aclocal.m4 @@ -1,833 +1,996 @@ -dnl aclocal.m4t generated automatically by aclocal 1.4-p6 - -dnl Copyright (C) 1994, 1995-8, 1999, 2001 Free Software Foundation, Inc. -dnl This file is free software; the Free Software Foundation -dnl gives unlimited permission to copy and/or distribute it, -dnl with or without modifications, as long as this notice is preserved. - -dnl This program is distributed in the hope that it will be useful, -dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without -dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A -dnl PARTICULAR PURPOSE. - -# lib-prefix.m4 serial 3 (gettext-0.13) -dnl Copyright (C) 2001-2003 Free Software Foundation, Inc. -dnl This file is free software, distributed under the terms of the GNU -dnl General Public License. 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See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#ifndef BACKEND_H +#define BACKEND_H + +#include "forward.h" +#include "sysdep.h" + +#include + +enum process_status { + ps_invalid, /* Failure. */ + ps_stop, /* Job-control stop. */ + ps_tracing_stop, + ps_sleeping, + ps_zombie, + ps_other, /* Necessary other states can be added as needed. */ +}; + +/* + * This file contains documentation of back end interface. Some of + * these may be implemented on an OS level (i.e. they are the same + * e.g. on all Linux architectures), some may differ per architecture + * on the same OS (e.g. a way to insert a breakpoint into the process + * image is a likely candidate). + */ + +/* Convert a PID to a path to the corresponding binary. */ +char *pid2name(pid_t pid); + +/* Given a PID, find a leader of thread group. */ +pid_t process_leader(pid_t pid); + +/* Given a PID of leader thread, fill in PIDs of all the tasks. The + * function will initialize the pointer *RET_TASKS to a + * newly-allocated array, and will store number of elements in that + * array to *RET_N. You have to free that buffer when you don't need + * it anymore. */ +int process_tasks(pid_t pid, pid_t **ret_tasks, size_t *ret_n); + +/* Answer whether the process PID is stopped. Returns 0 when not + * stopped, 1 when stopped, or -1 when there was an error. */ +int process_stopped(pid_t pid); + +/* Answer a status of the task PID. See enum process_status. */ +enum process_status process_status(pid_t pid); + +/* Wait for PID to be ready for tracing. */ +int wait_for_proc(pid_t pid); + +/* Send a signal SIG to the task PID. */ +int task_kill(pid_t pid, int sig); + +/* Called after PID is attached, but before it is continued. */ +void trace_set_options(struct Process *proc); + +/* Called after ltrace forks. Should attach the newly created child, + * in whose context this function is called. */ +void trace_me(void); + +/* Called when ltrace needs to attach to PID, such as when it attaches + * to a running process, whose PID is given on the command line. */ +int trace_pid(pid_t pid); + +/* Stop tracing PID. */ +void untrace_pid(pid_t pid); + +/* The back end may need to store arbitrary data to a process. This + * is a place where it can initialize PROC->arch_dep. XXX this should + * be dropped in favor of arhc_process_init on pmachata/libs. */ +void get_arch_dep(struct Process *proc); + +/* Return current instruction pointer of PROC. + * + * XXX note that the IP must fit into an arch pointer. This prevents + * us to use 32-bit ltrace to trace 64-bit process, even on arches + * that would otherwise support this. Above we have a definition of + * arch_addr_t. This should be converted to an integral type and + * used for target addresses throughout. */ +void *get_instruction_pointer(struct Process *proc); + +/* Set instruction pointer of PROC to ADDR. XXX see above. */ +void set_instruction_pointer(struct Process *proc, void *addr); + +/* Return current stack pointer of PROC. XXX see above. */ +void *get_stack_pointer(struct Process *proc); + +/* Find and return caller address, i.e. the address where the current + * function returns. */ +void *get_return_addr(struct Process *proc, void *stack_pointer); + +/* Adjust PROC so that when the current function returns, it returns + * to ADDR. */ +void set_return_addr(struct Process *proc, void *addr); + +/* Enable breakpoint SBP in process PROC. */ +void enable_breakpoint(struct Process *proc, struct breakpoint *sbp); + +/* Disable breakpoint SBP in process PROC. */ +void disable_breakpoint(struct Process *proc, struct breakpoint *sbp); + +/* Determine whether the event that we have just seen (and that is + * recorded in STATUS) was a syscall. If it was, return 1. If it was + * a return from syscall, return 2. In both cases, set *SYSNUM to the + * number of said syscall. If it wasn't a syscall, return 0. If + * there was an error, return -1. */ +int syscall_p(struct Process *proc, int status, int *sysnum); + +/* Continue execution of the process with given PID. */ +void continue_process(pid_t pid); + +/* Called after we received a signal SIGNUM. Should do whatever + * book-keeping is necessary and continue the process if + * necessary. */ +void continue_after_signal(pid_t pid, int signum); + +/* Called after we received a system call SYSNUM. RET_P is 0 if this + * is system call, otherwise it's return from a system call. The + * callback should do whatever book-keeping is necessary and continue + * the process if necessary. */ +void continue_after_syscall(struct Process *proc, int sysnum, int ret_p); + +/* Called after we hit a breakpoint SBP. Should do whatever + * book-keeping is necessary and then continue the process. */ +void continue_after_breakpoint(struct Process *proc, struct breakpoint *sbp); + +/* Called after we received a vfork. Should do whatever book-keeping + * is necessary and continue the process if necessary. N.B. right + * now, with Linux/GNU the only back end, this is not necessary. I + * imagine other systems may be different. */ +void continue_after_vfork(struct Process *proc); + +/* Called when trace_me or primary trace_pid fail. This may plug in + * any platform-specific knowledge of why it could be so. */ +void trace_fail_warning(pid_t pid); + +/* A pair of functions called to initiate a detachment request when + * ltrace is about to exit. Their job is to undo any effects that + * tracing had and eventually detach process, perhaps by way of + * installing a process handler. + * + * OS_LTRACE_EXITING_SIGHANDLER is called from a signal handler + * context right after the signal was captured. It returns 1 if the + * request was handled or 0 if it wasn't. + * + * If the call to OS_LTRACE_EXITING_SIGHANDLER didn't handle the + * request, OS_LTRACE_EXITING is called when the next event is + * generated. Therefore it's called in "safe" context, without + * re-entrancy concerns, but it's only called after an even is + * generated. */ +int os_ltrace_exiting_sighandler(void); +void os_ltrace_exiting(void); + +/* Should copy COUNT bytes from address ADDR of process PROC to local + * buffer BUF. */ +size_t umovebytes (struct Process *proc, void *addr, void *buf, size_t count); + +/* Find out an address of symbol SYM in process PROC, and return. + * Returning NULL delays breakpoint insertion and enables heaps of + * arch-specific black magic that we should clean up some day. + * + * XXX the same points as for get_instruction_pointer apply. */ +void *sym2addr(struct Process *proc, struct library_symbol *sym); + +/* Obtain address of PLT entry corresponding to relocation RELA in + * file LTE. This is NDX-th PLT entry in the file. + * + * XXX should this return arch_addr_t? */ +GElf_Addr arch_plt_sym_val(struct ltelf *lte, size_t ndx, GElf_Rela *rela); + +/* Called at some point after we have attached to PROC. This callback + * should insert an introspection breakpoint for handling dynamic + * linker library loads. */ +int linkmap_init(struct Process *proc, arch_addr_t dyn_addr); + +/* This should produce and return the next event of one of the traced + * processes. The returned pointer will not be freed by the core and + * should be either statically allocated, or the management should be + * done some other way. */ +struct Event *next_event(void); + +/* Called when process PROC was removed. */ +void process_removed(struct Process *proc); + +/* This should extract entry point address and interpreter (dynamic + * linker) bias if possible. Returns 0 if there were no errors, -1 + * otherwise. Sets *ENTRYP and *INTERP_BIASP to non-zero values if + * the corresponding value is known, or zero otherwise; this is not + * done for pointers that are NULL. */ +int process_get_entry(struct Process *proc, + arch_addr_t *entryp, + arch_addr_t *interp_biasp); + + +/* Optional callbacks + * + * Some callbacks are only available if backend (arch.h) has a certain + * define. If such a define is not present, default implementation + * (most often doing nothing at all) us used instead. This is used + * for gradual extensions of ltrace, so that backends that are not + * fully up to date, or that don't need certain functionality, keep + * working, while other backends take advantage of the optional + * features. */ + +/* The following callbacks have to be implemented in backend if arch.h + * defines ARCH_HAVE_LTELF_DATA. Those are used to init and destroy + * LTE->arch. arch_elf_init returns 0 on success or a negative value + * on failure. */ +int arch_elf_init(struct ltelf *lte, struct library *lib); +void arch_elf_destroy(struct ltelf *lte); + +/* The following callbacks have to be implemented in backend if arch.h + * defines ARCH_HAVE_BREAKPOINT_DATA. Those are used to init, + * destroy, and clone SBP->arch. arch_breakpoint_init and + * arch_breakpoint_clone return 0 on success or a negative value on + * failure. */ +int arch_breakpoint_init(struct Process *proc, struct breakpoint *sbp); +void arch_breakpoint_destroy(struct breakpoint *sbp); +int arch_breakpoint_clone(struct breakpoint *retp, struct breakpoint *sbp); + +/* The following callbacks have to be implemented in backend if arch.h + * defines ARCH_HAVE_LIBRARY_DATA. Those are used to init, destroy + * and clone LIB->arch. */ +void arch_library_init(struct library *lib); +void arch_library_destroy(struct library *lib); +void arch_library_clone(struct library *retp, struct library *lib); + +/* The following callbacks have to be implemented in backend if arch.h + * defines ARCH_HAVE_LIBRARY_SYMBOL_DATA. Those are used to init, + * destroy and clone LIBSYM->arch. arch_library_symbol_init and + * arch_library_symbol_clone return 0 on success or a negative value + * on failure. */ +int arch_library_symbol_init(struct library_symbol *libsym); +void arch_library_symbol_destroy(struct library_symbol *libsym); +int arch_library_symbol_clone(struct library_symbol *retp, + struct library_symbol *libsym); + +/* The following callbacks have to be implemented in backend if arch.h + * defines ARCH_HAVE_PROCESS_DATA. Those are used to init, destroy + * and clone PROC->arch. arch_process_exec is called to update + * PROC->arch in case that PROC underwent an exec. See notes at + * process_init, process_destroy, process_clone and process_exec in + * proc.h. */ +int arch_process_init(struct Process *proc); +void arch_process_destroy(struct Process *proc); +int arch_process_clone(struct Process *retp, struct Process *proc); +int arch_process_exec(struct Process *proc); + +/* The following callbacks have to be implemented in OS backend if + * os.h defines OS_HAVE_PROCESS_DATA. The protocol is same as for, + * respectively, arch_process_init, arch_process_destroy, + * arch_process_clone and arch_process_exec. */ +int os_process_init(struct Process *proc); +void os_process_destroy(struct Process *proc); +int os_process_clone(struct Process *retp, struct Process *proc); +int os_process_exec(struct Process *proc); + +/* The following callback has to be implemented in backend if arch.h + * defines ARCH_HAVE_GET_SYM_INFO. + * + * This is called for every PLT relocation R in ELF file LTE, that + * ltrace is about to add to it's internal representation of the + * program under trace. + * The corresponding PLT entry is for SYM_INDEX-th relocation in the file. + * + * The callback is responsible for initializing RELA and SYM. + * + * Return 0 if OK. + * Return a negative value if this symbol (SYM_INDEX) should be ignored. */ +int arch_get_sym_info(struct ltelf *lte, const char *filename, + size_t sym_index, GElf_Rela *rela, GElf_Sym *sym); + +enum plt_status { + plt_fail, + plt_ok, + plt_default, +}; + +/* The following callback has to be implemented in backend if arch.h + * defines ARCH_HAVE_ADD_PLT_ENTRY. + * + * This is called for every PLT relocation R in ELF file LTE, that + * ltrace is about to add to a library constructed in process PROC. + * The corresponding PLT entry is for symbol called NAME, and it's + * I-th relocation in the file. + * + * If this function returns plt_default, PLT address is obtained by + * calling arch_plt_sym_val, and symbol is allocated. If plt_ok or + * plt_default are returned, the chain of symbols passed back in RET + * is added to library under construction. */ +enum plt_status arch_elf_add_plt_entry(struct Process *proc, struct ltelf *lte, + const char *name, GElf_Rela *rela, + size_t i, struct library_symbol **ret); + +/* This callback needs to be implemented if arch.h defines + * ARCH_HAVE_DYNLINK_DONE. It is called after the dynamic linker is + * done with the process startup. */ +void arch_dynlink_done(struct Process *proc); + +/* This callback needs to be implemented if arch.h defines + * ARCH_HAVE_SYMBOL_RET. It is called after a traced call returns. */ +void arch_symbol_ret(struct Process *proc, struct library_symbol *libsym); + + +/* This callback needs to be implemented if arch.h defines + * ARCH_HAVE_FIND_DL_DEBUG. + * It is called by generic code to find the address of the dynamic + * linkers debug structure. + * DYN_ADDR holds the address of the dynamic section. + * If the debug area is found, return 0 and fill in the address in *RET. + * If the debug area is not found, return a negative value. */ +int arch_find_dl_debug(struct Process *proc, arch_addr_t dyn_addr, + arch_addr_t *ret); + +/* If arch.h defines ARCH_HAVE_FETCH_ARG, the following callbacks have + * to be implemented: arch_fetch_arg_init, arch_fetch_arg_clone, + * arch_fetch_arg_done, arch_fetch_arg_next and arch_fetch_retval. + * See fetch.h for details. */ + +/* If arch.h defines both ARCH_HAVE_FETCH_ARG and + * ARCH_HAVE_FETCH_PACK, the following callbacks have to be + * implemented: arch_fetch_param_pack_start, + * arch_fetch_param_pack_end. See fetch.h for details. */ + +#endif /* BACKEND_H */ diff --git a/breakpoint.h b/breakpoint.h new file mode 100644 index 0000000..7cd914e --- /dev/null +++ b/breakpoint.h @@ -0,0 +1,138 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2012 Petr Machata, Red Hat Inc. + * Copyright (C) 2009 Juan Cespedes + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#ifndef BREAKPOINT_H +#define BREAKPOINT_H + +/* XXX This is currently a very weak abstraction. We would like to + * much expand this to allow things like breakpoints on SDT probes and + * such. + * + * In particular, we would like to add a tracepoint abstraction. + * Tracepoint is a traceable feature--e.g. an exact address, a DWARF + * symbol, an ELF symbol, a PLT entry, or an SDT probe. Tracepoints + * are named and the user can configure which of them he wants to + * enable. Realized tracepoints enable breakpoints, which are a + * low-level realization of high-level tracepoint. + * + * Service breakpoints like the handling of dlopen would be a + * low-level breakpoint, likely without tracepoint attached. + * + * So that's for sometimes. + */ + +#include "sysdep.h" +#include "library.h" + +struct Process; +struct breakpoint; + +struct bp_callbacks { + void (*on_hit)(struct breakpoint *bp, struct Process *proc); + void (*on_continue)(struct breakpoint *bp, struct Process *proc); + void (*on_retract)(struct breakpoint *bp, struct Process *proc); +}; + +struct breakpoint { + struct bp_callbacks *cbs; + struct library_symbol *libsym; + void *addr; + unsigned char orig_value[BREAKPOINT_LENGTH]; + int enabled; + struct arch_breakpoint_data arch; +}; + +/* Call on-hit handler of BP, if any is set. */ +void breakpoint_on_hit(struct breakpoint *bp, struct Process *proc); + +/* Call on-continue handler of BP. If none is set, call + * continue_after_breakpoint. */ +void breakpoint_on_continue(struct breakpoint *bp, struct Process *proc); + +/* Call on-retract handler of BP, if any is set. This should be + * called before the breakpoints are destroyed. The reason for a + * separate interface is that breakpoint_destroy has to be callable + * without PROC. ON_DISABLE might be useful as well, but that would + * be called every time we disable the breakpoint, which is too often + * (a breakpoint has to be disabled every time that we need to execute + * the instruction underneath it). */ +void breakpoint_on_retract(struct breakpoint *bp, struct Process *proc); + +/* Initialize a breakpoint structure. That doesn't actually realize + * the breakpoint. The breakpoint is initially assumed to be + * disabled. orig_value has to be set separately. CBS may be + * NULL. */ +int breakpoint_init(struct breakpoint *bp, struct Process *proc, + arch_addr_t addr, struct library_symbol *libsym); + +/* Make a clone of breakpoint BP into the area of memory pointed to by + * RETP. The original breakpoint was assigned to process OLD_PROC, + * the cloned breakpoint will be attached to process NEW_PROC. + * Returns 0 on success or a negative value on failure. */ +int breakpoint_clone(struct breakpoint *retp, struct Process *new_proc, + struct breakpoint *bp, struct Process *old_proc); + +/* Set callbacks. If CBS is non-NULL, then BP->cbs shall be NULL. */ +void breakpoint_set_callbacks(struct breakpoint *bp, struct bp_callbacks *cbs); + +/* Destroy a breakpoint structure. */ +void breakpoint_destroy(struct breakpoint *bp); + +/* Call enable_breakpoint the first time it's called. Returns 0 on + * success and a negative value on failure. */ +int breakpoint_turn_on(struct breakpoint *bp, struct Process *proc); + +/* Call disable_breakpoint when turned off the same number of times + * that it was turned on. Returns 0 on success and a negative value + * on failure. */ +int breakpoint_turn_off(struct breakpoint *bp, struct Process *proc); + +/* Utility function that does what typically needs to be done when a + * breakpoint is to be inserted. It checks whether there is another + * breakpoint in PROC->LEADER for given ADDR. If not, it allocates + * memory for a new breakpoint on the heap, initializes it, and calls + * PROC_ADD_BREAKPOINT to add the newly-created breakpoint. For newly + * added as well as preexisting breakpoints, it then calls + * BREAKPOINT_TURN_ON. If anything fails, it cleans up and returns + * NULL. Otherwise it returns the breakpoint for ADDR. */ +struct breakpoint *insert_breakpoint(struct Process *proc, void *addr, + struct library_symbol *libsym); + +/* Name of a symbol associated with BP. May be NULL. */ +const char *breakpoint_name(const struct breakpoint *bp); + +/* A library that this breakpoint comes from. May be NULL. */ +struct library *breakpoint_library(const struct breakpoint *bp); + +/* Again, this seems to be several interfaces rolled into one: + * - breakpoint_disable + * - proc_remove_breakpoint + * - breakpoint_destroy + * XXX */ +void delete_breakpoint(struct Process *proc, void *addr); + +/* XXX some of the following belongs to proc.h/proc.c. */ +struct breakpoint *address2bpstruct(struct Process *proc, void *addr); +void enable_all_breakpoints(struct Process *proc); +void disable_all_breakpoints(struct Process *proc); +int breakpoints_init(struct Process *proc); + +#endif /* BREAKPOINT_H */ diff --git a/breakpoints.c b/breakpoints.c index ba3b060..258be93 100644 --- a/breakpoints.c +++ b/breakpoints.c @@ -1,230 +1,420 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2006,2007,2011,2012 Petr Machata, Red Hat Inc. + * Copyright (C) 2009 Juan Cespedes + * Copyright (C) 1998,2001,2002,2003,2007,2008,2009 Juan Cespedes + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include "config.h" +#include +#include +#include #include #include -#include #ifdef __powerpc__ #include #endif -#include "common.h" +#include "backend.h" +#include "breakpoint.h" +#include "debug.h" +#include "library.h" +#include "ltrace-elf.h" +#include "proc.h" + +#ifndef ARCH_HAVE_TRANSLATE_ADDRESS +int +arch_translate_address_dyn(struct Process *proc, + arch_addr_t addr, arch_addr_t *ret) +{ + *ret = addr; + return 0; +} + +struct ltelf; +int +arch_translate_address(struct ltelf *lte, + arch_addr_t addr, arch_addr_t *ret) +{ + *ret = addr; + return 0; +} +#endif + +void +breakpoint_on_hit(struct breakpoint *bp, struct Process *proc) +{ + assert(bp != NULL); + if (bp->cbs != NULL && bp->cbs->on_hit != NULL) + (bp->cbs->on_hit)(bp, proc); +} + +void +breakpoint_on_continue(struct breakpoint *bp, struct Process *proc) +{ + assert(bp != NULL); + if (bp->cbs != NULL && bp->cbs->on_continue != NULL) + (bp->cbs->on_continue)(bp, proc); + else + continue_after_breakpoint(proc, bp); +} + +void +breakpoint_on_retract(struct breakpoint *bp, struct Process *proc) +{ + assert(bp != NULL); + if (bp->cbs != NULL && bp->cbs->on_retract != NULL) + (bp->cbs->on_retract)(bp, proc); +} /*****************************************************************************/ -Breakpoint * -address2bpstruct(Process *proc, void *addr) { +struct breakpoint * +address2bpstruct(Process *proc, void *addr) +{ + assert(proc != NULL); + assert(proc->breakpoints != NULL); + assert(proc->leader == proc); debug(DEBUG_FUNCTION, "address2bpstruct(pid=%d, addr=%p)", proc->pid, addr); return dict_find_entry(proc->breakpoints, addr); } +#ifndef ARCH_HAVE_BREAKPOINT_DATA +int +arch_breakpoint_init(struct Process *proc, struct breakpoint *sbp) +{ + return 0; +} + void -insert_breakpoint(Process *proc, void *addr, - struct library_symbol *libsym) { - Breakpoint *sbp; +arch_breakpoint_destroy(struct breakpoint *sbp) +{ +} - debug(DEBUG_FUNCTION, "insert_breakpoint(pid=%d, addr=%p, symbol=%s)", proc->pid, addr, libsym ? libsym->name : "NULL"); - debug(1, "symbol=%s, addr=%p", libsym?libsym->name:"(nil)", addr); +int +arch_breakpoint_clone(struct breakpoint *retp, struct breakpoint *sbp) +{ + return 0; +} +#endif - if (!addr) +static void +breakpoint_init_base(struct breakpoint *bp, struct Process *proc, + arch_addr_t addr, struct library_symbol *libsym) +{ + bp->cbs = NULL; + bp->addr = addr; + memset(bp->orig_value, 0, sizeof(bp->orig_value)); + bp->enabled = 0; + bp->libsym = libsym; +} + +/* On second thought, I don't think we need PROC. All the translation + * (arch_translate_address in particular) should be doable using + * static lookups of various sections in the ELF file. We shouldn't + * need process for anything. */ +int +breakpoint_init(struct breakpoint *bp, struct Process *proc, + arch_addr_t addr, struct library_symbol *libsym) +{ + breakpoint_init_base(bp, proc, addr, libsym); + return arch_breakpoint_init(proc, bp); +} + +void +breakpoint_set_callbacks(struct breakpoint *bp, struct bp_callbacks *cbs) +{ + if (bp->cbs != NULL) + assert(bp->cbs == NULL); + bp->cbs = cbs; +} + +void +breakpoint_destroy(struct breakpoint *bp) +{ + if (bp == NULL) return; + arch_breakpoint_destroy(bp); +} + +int +breakpoint_clone(struct breakpoint *retp, struct Process *new_proc, + struct breakpoint *bp, struct Process *old_proc) +{ + struct library_symbol *libsym = NULL; + if (bp->libsym != NULL) { + int rc = proc_find_symbol(new_proc, bp->libsym, NULL, &libsym); + assert(rc == 0); + } - if (libsym) - libsym->needs_init = 0; + breakpoint_init_base(retp, new_proc, bp->addr, libsym); + memcpy(retp->orig_value, bp->orig_value, sizeof(bp->orig_value)); + retp->enabled = bp->enabled; + if (arch_breakpoint_clone(retp, bp) < 0) + return -1; + breakpoint_set_callbacks(retp, bp->cbs); + return 0; +} + +int +breakpoint_turn_on(struct breakpoint *bp, struct Process *proc) +{ + bp->enabled++; + if (bp->enabled == 1) { + assert(proc->pid != 0); + enable_breakpoint(proc, bp); + } + return 0; +} + +int +breakpoint_turn_off(struct breakpoint *bp, struct Process *proc) +{ + bp->enabled--; + if (bp->enabled == 0) + disable_breakpoint(proc, bp); + assert(bp->enabled >= 0); + return 0; +} - sbp = dict_find_entry(proc->breakpoints, addr); - if (!sbp) { - sbp = calloc(1, sizeof(Breakpoint)); - if (!sbp) { - return; /* TODO FIXME XXX: error_mem */ +struct breakpoint * +insert_breakpoint(struct Process *proc, void *addr, + struct library_symbol *libsym) +{ + Process *leader = proc->leader; + + /* Only the group leader should be getting the breakpoints and + * thus have ->breakpoint initialized. */ + assert(leader != NULL); + assert(leader->breakpoints != NULL); + + debug(DEBUG_FUNCTION, "insert_breakpoint(pid=%d, addr=%p, symbol=%s)", + proc->pid, addr, libsym ? libsym->name : "NULL"); + + assert(addr != 0); + + /* XXX what we need to do instead is have a list of + * breakpoints that are enabled at this address. The + * following works if every breakpoint is the same and there's + * no extra data, but that doesn't hold anymore. For now it + * will suffice, about the only realistic case where we need + * to have more than one breakpoint per address is return from + * a recursive library call. */ + struct breakpoint *sbp = dict_find_entry(leader->breakpoints, addr); + if (sbp == NULL) { + sbp = malloc(sizeof(*sbp)); + if (sbp == NULL + || breakpoint_init(sbp, proc, addr, libsym) < 0) { + free(sbp); + return NULL; + } + if (proc_add_breakpoint(leader, sbp) < 0) { + fail: + breakpoint_destroy(sbp); + free(sbp); + return NULL; } - dict_enter(proc->breakpoints, addr, sbp); - sbp->addr = addr; - sbp->libsym = libsym; } -#ifdef __arm__ - sbp->thumb_mode = proc->thumb_mode; - proc->thumb_mode = 0; -#endif - sbp->enabled++; - if (sbp->enabled == 1 && proc->pid) - enable_breakpoint(proc->pid, sbp); + + if (breakpoint_turn_on(sbp, proc) < 0) { + proc_remove_breakpoint(leader, sbp); + goto fail; + } + + return sbp; } void -delete_breakpoint(Process *proc, void *addr) { - Breakpoint *sbp; - +delete_breakpoint(Process *proc, void *addr) +{ debug(DEBUG_FUNCTION, "delete_breakpoint(pid=%d, addr=%p)", proc->pid, addr); - sbp = dict_find_entry(proc->breakpoints, addr); - assert(sbp); /* FIXME: remove after debugging has been done. */ + Process * leader = proc->leader; + assert(leader != NULL); + + struct breakpoint *sbp = dict_find_entry(leader->breakpoints, addr); + assert(sbp != NULL); /* This should only happen on out-of-memory conditions. */ if (sbp == NULL) return; - sbp->enabled--; - if (sbp->enabled == 0) - disable_breakpoint(proc->pid, sbp); - assert(sbp->enabled >= 0); + if (breakpoint_turn_off(sbp, proc) < 0) { + fprintf(stderr, "Couldn't turn off the breakpoint %s@%p\n", + breakpoint_name(sbp), sbp->addr); + return; + } + if (sbp->enabled == 0) { + proc_remove_breakpoint(leader, sbp); + breakpoint_destroy(sbp); + free(sbp); + } +} + +const char * +breakpoint_name(const struct breakpoint *bp) +{ + assert(bp != NULL); + return bp->libsym != NULL ? bp->libsym->name : NULL; +} + +struct library * +breakpoint_library(const struct breakpoint *bp) +{ + assert(bp != NULL); + return bp->libsym != NULL ? bp->libsym->lib : NULL; } static void -enable_bp_cb(void *addr, void *sbp, void *proc) { +enable_bp_cb(void *addr, void *sbp, void *proc) +{ debug(DEBUG_FUNCTION, "enable_bp_cb(pid=%d)", ((Process *)proc)->pid); - if (((Breakpoint *)sbp)->enabled) { - enable_breakpoint(((Process *)proc)->pid, sbp); - } + if (((struct breakpoint *)sbp)->enabled) + enable_breakpoint(proc, sbp); } void -enable_all_breakpoints(Process *proc) { +enable_all_breakpoints(Process *proc) +{ debug(DEBUG_FUNCTION, "enable_all_breakpoints(pid=%d)", proc->pid); - if (proc->breakpoints_enabled <= 0) { -#ifdef __powerpc__ - unsigned long a; - - /* - * PPC HACK! (XXX FIXME TODO) - * If the dynamic linker hasn't populated the PLT then - * dont enable the breakpoints - */ - if (options.libcalls) { - a = ptrace(PTRACE_PEEKTEXT, proc->pid, - sym2addr(proc, proc->list_of_symbols), - 0); - if (a == 0x0) - return; - } -#endif - debug(1, "Enabling breakpoints for pid %u...", proc->pid); - if (proc->breakpoints) { - dict_apply_to_all(proc->breakpoints, enable_bp_cb, - proc); - } -#ifdef __mips__ - { - /* - * I'm sure there is a nicer way to do this. We need to - * insert breakpoints _after_ the child has been started. - */ - struct library_symbol *sym; - struct library_symbol *new_sym; - sym=proc->list_of_symbols; - while(sym){ - void *addr= sym2addr(proc,sym); - if(!addr){ - sym=sym->next; - continue; - } - if(dict_find_entry(proc->breakpoints,addr)){ - sym=sym->next; - continue; - } - debug(2,"inserting bp %p %s",addr,sym->name); - new_sym=malloc(sizeof(*new_sym)); - memcpy(new_sym,sym,sizeof(*new_sym)); - new_sym->next=proc->list_of_symbols; - proc->list_of_symbols=new_sym; - insert_breakpoint(proc, addr, new_sym); - sym=sym->next; - } - } -#endif + debug(1, "Enabling breakpoints for pid %u...", proc->pid); + if (proc->breakpoints) { + dict_apply_to_all(proc->breakpoints, enable_bp_cb, + proc); } - proc->breakpoints_enabled = 1; } static void -disable_bp_cb(void *addr, void *sbp, void *proc) { +disable_bp_cb(void *addr, void *sbp, void *proc) +{ debug(DEBUG_FUNCTION, "disable_bp_cb(pid=%d)", ((Process *)proc)->pid); - if (((Breakpoint *)sbp)->enabled) { - disable_breakpoint(((Process *)proc)->pid, sbp); - } + if (((struct breakpoint *)sbp)->enabled) + disable_breakpoint(proc, sbp); } void disable_all_breakpoints(Process *proc) { debug(DEBUG_FUNCTION, "disable_all_breakpoints(pid=%d)", proc->pid); - if (proc->breakpoints_enabled) { - debug(1, "Disabling breakpoints for pid %u...", proc->pid); - dict_apply_to_all(proc->breakpoints, disable_bp_cb, proc); - } - proc->breakpoints_enabled = 0; + assert(proc->leader == proc); + dict_apply_to_all(proc->breakpoints, disable_bp_cb, proc); } +/* XXX This is not currently properly supported. On clone, this is + * just sliced. Hopefully at the point that clone is done, this + * breakpoint is not necessary anymore. If this use case ends up + * being important, we need to add a clone and destroy callbacks to + * breakpoints, and we should also probably drop arch_breakpoint_data + * so that we don't end up with two different customization mechanisms + * for one structure. */ +struct entry_breakpoint { + struct breakpoint super; + arch_addr_t dyn_addr; +}; + static void -free_bp_cb(void *addr, void *sbp, void *data) { - debug(DEBUG_FUNCTION, "free_bp_cb(sbp=%p)", sbp); - assert(sbp); - free(sbp); +entry_breakpoint_on_hit(struct breakpoint *a, struct Process *proc) +{ + struct entry_breakpoint *bp = (void *)a; + if (proc == NULL || proc->leader == NULL) + return; + arch_addr_t dyn_addr = bp->dyn_addr; + delete_breakpoint(proc, bp->super.addr); + linkmap_init(proc, dyn_addr); + arch_dynlink_done(proc); } -void -breakpoints_init(Process *proc) { - struct library_symbol *sym; +int +entry_breakpoint_init(struct Process *proc, + struct entry_breakpoint *bp, arch_addr_t addr, + struct library *lib) +{ + assert(addr != 0); + int err = breakpoint_init(&bp->super, proc, addr, NULL); + if (err < 0) + return err; + static struct bp_callbacks entry_callbacks = { + .on_hit = entry_breakpoint_on_hit, + }; + bp->super.cbs = &entry_callbacks; + bp->dyn_addr = lib->dyn_addr; + return 0; +} + +int +breakpoints_init(Process *proc) +{ debug(DEBUG_FUNCTION, "breakpoints_init(pid=%d)", proc->pid); - if (proc->breakpoints) { /* let's remove that struct */ - dict_apply_to_all(proc->breakpoints, free_bp_cb, NULL); - dict_clear(proc->breakpoints); - proc->breakpoints = NULL; - } - proc->breakpoints = dict_init(dict_key2hash_int, dict_key_cmp_int); - - if (options.libcalls && proc->filename) { - /* FIXME: memory leak when called by exec(): */ - proc->list_of_symbols = read_elf(proc); - if (opt_e) { - struct library_symbol **tmp1 = &(proc->list_of_symbols); - while (*tmp1) { - struct opt_e_t *tmp2 = opt_e; - int keep = !opt_e_enable; - - while (tmp2) { - if (!strcmp((*tmp1)->name, tmp2->name)) { - keep = opt_e_enable; - } - tmp2 = tmp2->next; - } - if (!keep) { - *tmp1 = (*tmp1)->next; - } else { - tmp1 = &((*tmp1)->next); - } - } + + /* XXX breakpoint dictionary should be initialized + * outside. Here we just put in breakpoints. */ + assert(proc->breakpoints != NULL); + + /* Only the thread group leader should hold the breakpoints. */ + assert(proc->leader == proc); + + /* N.B. the following used to be conditional on this, and + * maybe it still needs to be. */ + assert(proc->filename != NULL); + + struct library *lib = ltelf_read_main_binary(proc, proc->filename); + struct entry_breakpoint *entry_bp = NULL; + int bp_state = 0; + int result = -1; + switch (lib != NULL) { + fail: + switch (bp_state) { + case 2: + proc_remove_library(proc, lib); + proc_remove_breakpoint(proc, &entry_bp->super); + case 1: + breakpoint_destroy(&entry_bp->super); } - } else { - proc->list_of_symbols = NULL; + library_destroy(lib); + free(entry_bp); + case 0: + return result; } - for (sym = proc->list_of_symbols; sym; sym = sym->next) { - /* proc->pid==0 delays enabling. */ - insert_breakpoint(proc, sym2addr(proc, sym), sym); - } - proc->callstack_depth = 0; - proc->breakpoints_enabled = -1; -} -void -reinitialize_breakpoints(Process *proc) { - struct library_symbol *sym; - - debug(DEBUG_FUNCTION, "reinitialize_breakpoints(pid=%d)", proc->pid); - - sym = proc->list_of_symbols; - - while (sym) { - if (sym->needs_init) { - insert_breakpoint(proc, sym2addr(proc, sym), - sym); - if (sym->needs_init && !sym->is_weak) { - fprintf(stderr, - "could not re-initialize breakpoint for \"%s\" in file \"%s\"\n", - sym->name, proc->filename); - exit(1); - } - } - sym = sym->next; + entry_bp = malloc(sizeof(*entry_bp)); + if (entry_bp == NULL + || (entry_breakpoint_init(proc, entry_bp, + lib->entry, lib)) < 0) { + fprintf(stderr, + "Couldn't initialize entry breakpoint for PID %d.\n" + "Some tracing events may be missed.\n", proc->pid); + free(entry_bp); + + } else { + ++bp_state; + + if ((result = proc_add_breakpoint(proc, &entry_bp->super)) < 0) + goto fail; + ++bp_state; + + if ((result = breakpoint_turn_on(&entry_bp->super, proc)) < 0) + goto fail; } + proc_add_library(proc, lib); + + proc->callstack_depth = 0; + return 0; } diff --git a/callback.h b/callback.h new file mode 100644 index 0000000..31e5c8f --- /dev/null +++ b/callback.h @@ -0,0 +1,50 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011,2012 Petr Machata, Red Hat Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#ifndef _CALLBACK_H_ +#define _CALLBACK_H_ + +/* Notes on the iteration interface used across ltrace. Typically the + * iteration function looks something like this: + * + * foo *each_foo(foo *start_after, + * enum callback_status (*cb)(foo *f, void *data), + * void *data); + * + * The iteration starts after the element designated by START_AFTER, + * or at the first element if START_AFTER is NULL. CB is then called + * for each element of the collection. DATA is passed verbatim to CB. + * If CB returns CBS_STOP, the iteration stops and the current element + * is returned. That element can then be passed as START_AFTER to + * restart the iteration. NULL is returned when iteration ends. + * + * CBS_FAIL is not currently handled, and essentially means the same + * thing as CBS_STOP. There's no provision for returning error + * states. Errors need to be signaled to the caller via DATA, + * together with any other data that the callback needs. + */ +enum callback_status { + CBS_STOP, /* The iteration should stop. */ + CBS_CONT, /* The iteration should continue. */ + CBS_FAIL, /* There was an error. The iteration should stop + * and return error. */ +}; + +#endif /* _CALLBACK_H_ */ diff --git a/common.h b/common.h index c672913..f333f3f 100644 --- a/common.h +++ b/common.h @@ -1,3 +1,30 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011,2012 Petr Machata, Red Hat Inc. + * Copyright (C) 2010 Joe Damato + * Copyright (C) 2009 Juan Cespedes + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#ifndef COMMON_H +#define COMMON_H + +#include + #include #include #include @@ -7,10 +34,15 @@ #include "dict.h" #include "sysdep.h" #include "debug.h" -#include "elf.h" +#include "ltrace-elf.h" #include "read_config_file.h" +#include "proc.h" +#include "forward.h" -#if defined HAVE_LIBIBERTY || defined HAVE_LIBSUPC__ +#if defined HAVE_LIBSUPC__ || defined HAVE_LIBSTDC__ +# define USE_CXA_DEMANGLE +#endif +#if defined HAVE_LIBIBERTY || defined USE_CXA_DEMANGLE # define USE_DEMANGLE #endif @@ -18,177 +50,19 @@ extern char * command; extern int exiting; /* =1 if we have to exit ASAP */ -typedef struct Breakpoint Breakpoint; -struct Breakpoint { - void * addr; - unsigned char orig_value[BREAKPOINT_LENGTH]; - int enabled; - struct library_symbol * libsym; -#ifdef __arm__ - int thumb_mode; -#endif -}; - -enum arg_type { - ARGTYPE_UNKNOWN = -1, - ARGTYPE_VOID, - ARGTYPE_INT, - ARGTYPE_UINT, - ARGTYPE_LONG, - ARGTYPE_ULONG, - ARGTYPE_OCTAL, - ARGTYPE_CHAR, - ARGTYPE_SHORT, - ARGTYPE_USHORT, - ARGTYPE_FLOAT, /* float value, may require index */ - ARGTYPE_DOUBLE, /* double value, may require index */ - ARGTYPE_ADDR, - ARGTYPE_FILE, - ARGTYPE_FORMAT, /* printf-like format */ - ARGTYPE_STRING, /* NUL-terminated string */ - ARGTYPE_STRING_N, /* String of known maxlen */ - ARGTYPE_ARRAY, /* Series of values in memory */ - ARGTYPE_ENUM, /* Enumeration */ - ARGTYPE_STRUCT, /* Structure of values */ - ARGTYPE_POINTER, /* Pointer to some other type */ - ARGTYPE_COUNT /* number of ARGTYPE_* values */ -}; - -typedef struct arg_type_info_t { - enum arg_type type; - union { - /* ARGTYPE_ENUM */ - struct { - size_t entries; - char ** keys; - int * values; - } enum_info; - - /* ARGTYPE_ARRAY */ - struct { - struct arg_type_info_t * elt_type; - size_t elt_size; - int len_spec; - } array_info; - - /* ARGTYPE_STRING_N */ - struct { - int size_spec; - } string_n_info; - - /* ARGTYPE_STRUCT */ - struct { - struct arg_type_info_t ** fields; /* NULL-terminated */ - size_t * offset; - size_t size; - } struct_info; - - /* ARGTYPE_POINTER */ - struct { - struct arg_type_info_t * info; - } ptr_info; - - /* ARGTYPE_FLOAT */ - struct { - size_t float_index; - } float_info; - - /* ARGTYPE_DOUBLE */ - struct { - size_t float_index; - } double_info; - } u; -} arg_type_info; - -enum tof { - LT_TOF_NONE = 0, - LT_TOF_FUNCTION, /* A real library function */ - LT_TOF_FUNCTIONR, /* Return from a real library function */ - LT_TOF_SYSCALL, /* A syscall */ - LT_TOF_SYSCALLR, /* Return from a syscall */ - LT_TOF_STRUCT /* Not a function; read args from struct */ -}; - typedef struct Function Function; struct Function { const char * name; - arg_type_info * return_info; - int num_params; - arg_type_info * arg_info[MAX_ARGS]; - int params_right; + struct param *params; + struct arg_type_info *return_info; + int own_return_info; + size_t num_params; Function * next; }; -enum toplt { - LS_TOPLT_NONE = 0, /* PLT not used for this symbol. */ - LS_TOPLT_EXEC, /* PLT for this symbol is executable. */ - LS_TOPLT_POINT /* PLT for this symbol is a non-executable. */ -}; - extern Function * list_of_functions; extern char *PLTs_initialized_by_here; -struct library_symbol { - char * name; - void * enter_addr; - char needs_init; - enum toplt plt_type; - char is_weak; - struct library_symbol * next; -}; - -struct callstack_element { - union { - int syscall; - struct library_symbol * libfunc; - } c_un; - int is_syscall; - void * return_addr; - struct timeval time_spent; -}; - -#define MAX_CALLDEPTH 64 - -typedef enum Process_State Process_State; -enum Process_State { - STATE_ATTACHED = 0, - STATE_BEING_CREATED, - STATE_IGNORED /* ignore this process (it's a fork and no -f was used) */ -}; - -struct Process { - Process_State state; - Process * parent; /* needed by STATE_BEING_CREATED */ - char * filename; - pid_t pid; - Dict * breakpoints; - int breakpoints_enabled; /* -1:not enabled yet, 0:disabled, 1:enabled */ - int mask_32bit; /* 1 if 64-bit ltrace is tracing 32-bit process */ - unsigned int personality; - int tracesysgood; /* signal indicating a PTRACE_SYSCALL trap */ - - int callstack_depth; - struct callstack_element callstack[MAX_CALLDEPTH]; - struct library_symbol * list_of_symbols; - - /* Arch-dependent: */ - void * instruction_pointer; - void * stack_pointer; /* To get return addr, args... */ - void * return_addr; - Breakpoint * breakpoint_being_enabled; - void * arch_ptr; - short e_machine; - short need_to_reinitialize_breakpoints; -#ifdef __arm__ - int thumb_mode; /* ARM execution mode: 0: ARM, 1: Thumb */ -#endif - - /* output: */ - enum tof type_being_displayed; - - Process * next; -}; - struct opt_c_struct { int count; struct timeval tv; @@ -202,52 +76,22 @@ struct opt_c_struct { extern Dict * dict_opt_c; -extern Process * list_of_processes; - +/* Events */ extern Event * next_event(void); -extern Process * pid2proc(pid_t pid); extern void handle_event(Event * event); -extern void execute_program(Process *, char **); -extern int display_arg(enum tof type, Process * proc, int arg_num, arg_type_info * info); -extern Breakpoint * address2bpstruct(Process * proc, void * addr); -extern void breakpoints_init(Process * proc); -extern void insert_breakpoint(Process * proc, void * addr, struct library_symbol * libsym); -extern void delete_breakpoint(Process * proc, void * addr); -extern void enable_all_breakpoints(Process * proc); -extern void disable_all_breakpoints(Process * proc); -extern void reinitialize_breakpoints(Process *); - -extern Process * open_program(char * filename, pid_t pid); -extern void open_pid(pid_t pid); + +extern pid_t execute_program(const char * command, char ** argv); + extern void show_summary(void); -extern arg_type_info * lookup_prototype(enum arg_type at); - -/* Arch-dependent stuff: */ -extern char * pid2name(pid_t pid); -extern void trace_set_options(Process * proc, pid_t pid); -extern void trace_me(void); -extern int trace_pid(pid_t pid); -extern void untrace_pid(pid_t pid); -extern void get_arch_dep(Process * proc); -extern void * get_instruction_pointer(Process * proc); -extern void set_instruction_pointer(Process * proc, void * addr); -extern void * get_stack_pointer(Process * proc); -extern void * get_return_addr(Process * proc, void * stack_pointer); -extern void set_return_addr(Process * proc, void * addr); -extern void enable_breakpoint(pid_t pid, Breakpoint * sbp); -extern void disable_breakpoint(pid_t pid, const Breakpoint * sbp); -extern int syscall_p(Process * proc, int status, int * sysnum); -extern void continue_process(pid_t pid); -extern void continue_after_signal(pid_t pid, int signum); -extern void continue_after_breakpoint(Process * proc, Breakpoint * sbp); -extern void continue_enabling_breakpoint(pid_t pid, Breakpoint * sbp); -extern long gimme_arg(enum tof type, Process * proc, int arg_num, arg_type_info * info); -extern void save_register_args(enum tof type, Process * proc); -extern int umovestr(Process * proc, void * addr, int len, void * laddr); -extern int umovelong (Process * proc, void * addr, long * result, arg_type_info * info); -extern int ffcheck(void * maddr); -extern void * sym2addr(Process *, struct library_symbol *); - -#if 0 /* not yet */ -extern int umoven(Process * proc, void * addr, int len, void * laddr); + +struct breakpoint; +struct library_symbol; + +/* Format VALUE into STREAM. The dictionary of all arguments is given + * for purposes of evaluating array lengths and other dynamic + * expressions. Returns number of characters outputted, -1 in case of + * failure. */ +int format_argument(FILE *stream, struct value *value, + struct value_dict *arguments); + #endif diff --git a/config.h.in b/config.h.in new file mode 100644 index 0000000..0625d9c --- /dev/null +++ b/config.h.in @@ -0,0 +1,197 @@ +/* config.h.in. Generated from configure.ac by autoheader. */ + +/* debugging */ +#undef DEBUG + +/* elf_hash() takes char* (as opposed to unsigned char *) */ +#undef ELF_HASH_TAKES_CHARP + +/* Define to 1 if you have the `alarm' function. */ +#undef HAVE_ALARM + +/* Define to 1 if you have the `atexit' function. */ +#undef HAVE_ATEXIT + +/* Define to 1 if you have the header file. */ +#undef HAVE_DLFCN_H + +/* we have read mmap support */ +#undef HAVE_ELF_C_READ_MMAP + +/* Define to 1 if you have the header file. */ +#undef HAVE_ELF_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_FCNTL_H + +/* Define to 1 if you have the `fork' function. */ +#undef HAVE_FORK + +/* Define to 1 if you have the header file. */ +#undef HAVE_GELF_H + +/* Define to 1 if you have the `getcwd' function. */ +#undef HAVE_GETCWD + +/* Define to 1 if you have the `gettimeofday' function. */ +#undef HAVE_GETTIMEOFDAY + +/* Define to 1 if you have the header file. */ +#undef HAVE_INTTYPES_H + +/* Define to 1 if you have the `elf' library (-lelf). */ +#undef HAVE_LIBELF + +/* we have libiberty */ +#undef HAVE_LIBIBERTY + +/* Define to 1 if you have the `selinux' library (-lselinux). */ +#undef HAVE_LIBSELINUX + +/* we have libstdc++ */ +#undef HAVE_LIBSTDC__ + +/* we have libsupc++ */ +#undef HAVE_LIBSUPC__ + +/* we have libunwind */ +#undef HAVE_LIBUNWIND + +/* Define to 1 if you have the header file. */ +#undef HAVE_LIBUNWIND_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_LIBUNWIND_PTRACE_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_LIMITS_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_MEMORY_H + +/* Define to 1 if you have the `memset' function. */ +#undef HAVE_MEMSET + +/* Define to 1 if you have the `mkdir' function. */ +#undef HAVE_MKDIR + +/* Define to 1 if you have the `rmdir' function. */ +#undef HAVE_RMDIR + +/* Define to 1 if you have the header file. */ +#undef HAVE_SELINUX_SELINUX_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STDDEF_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STDINT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STDLIB_H + +/* Define to 1 if you have the `strchr' function. */ +#undef HAVE_STRCHR + +/* Define to 1 if you have the `strdup' function. */ +#undef HAVE_STRDUP + +/* Define to 1 if you have the `strerror' function. */ +#undef HAVE_STRERROR + +/* Define to 1 if you have the header file. */ +#undef HAVE_STRINGS_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STRING_H + +/* Define to 1 if you have the `strtol' function. */ +#undef HAVE_STRTOL + +/* Define to 1 if you have the `strtoul' function. */ +#undef HAVE_STRTOUL + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_IOCTL_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_PARAM_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_STAT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_TIME_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_TYPES_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_UNISTD_H + +/* Define to 1 if you have the `vfork' function. */ +#undef HAVE_VFORK + +/* Define to 1 if you have the header file. */ +#undef HAVE_VFORK_H + +/* Define to 1 if `fork' works. */ +#undef HAVE_WORKING_FORK + +/* Define to 1 if `vfork' works. */ +#undef HAVE_WORKING_VFORK + +/* Define to the sub-directory in which libtool stores uninstalled libraries. + */ +#undef LT_OBJDIR + +/* Name of package */ +#undef PACKAGE + +/* Define to the address where bug reports for this package should be sent. */ +#undef PACKAGE_BUGREPORT + +/* Define to the full name of this package. */ +#undef PACKAGE_NAME + +/* Define to the full name and version of this package. */ +#undef PACKAGE_STRING + +/* Define to the one symbol short name of this package. */ +#undef PACKAGE_TARNAME + +/* Define to the home page for this package. */ +#undef PACKAGE_URL + +/* Define to the version of this package. */ +#undef PACKAGE_VERSION + +/* The size of `long', as computed by sizeof. */ +#undef SIZEOF_LONG + +/* Define to 1 if you have the ANSI C header files. */ +#undef STDC_HEADERS + +/* Version number of package */ +#undef VERSION + +/* Define to `int' if doesn't define. */ +#undef gid_t + +/* Define to `__inline__' or `__inline' if that's what the C compiler + calls it, or to nothing if 'inline' is not supported under any name. */ +#ifndef __cplusplus +#undef inline +#endif + +/* Define to `int' if does not define. */ +#undef pid_t + +/* Define to `unsigned int' if does not define. */ +#undef size_t + +/* Define to `int' if doesn't define. */ +#undef uid_t + +/* Define as `fork' if `vfork' does not work. */ +#undef vfork diff --git a/config/autoconf/config.guess b/config/autoconf/config.guess new file mode 100755 index 0000000..dc84c68 --- /dev/null +++ b/config/autoconf/config.guess @@ -0,0 +1,1501 @@ +#! /bin/sh +# Attempt to guess a canonical system name. +# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, +# 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 +# Free Software Foundation, Inc. + +timestamp='2009-11-20' + +# This file is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA +# 02110-1301, USA. +# +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + + +# Originally written by Per Bothner. Please send patches (context +# diff format) to and include a ChangeLog +# entry. +# +# This script attempts to guess a canonical system name similar to +# config.sub. If it succeeds, it prints the system name on stdout, and +# exits with 0. Otherwise, it exits with 1. +# +# You can get the latest version of this script from: +# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD + +me=`echo "$0" | sed -e 's,.*/,,'` + +usage="\ +Usage: $0 [OPTION] + +Output the configuration name of the system \`$me' is run on. + +Operation modes: + -h, --help print this help, then exit + -t, --time-stamp print date of last modification, then exit + -v, --version print version number, then exit + +Report bugs and patches to ." + +version="\ +GNU config.guess ($timestamp) + +Originally written by Per Bothner. +Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, +2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc. + +This is free software; see the source for copying conditions. There is NO +warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." + +help=" +Try \`$me --help' for more information." + +# Parse command line +while test $# -gt 0 ; do + case $1 in + --time-stamp | --time* | -t ) + echo "$timestamp" ; exit ;; + --version | -v ) + echo "$version" ; exit ;; + --help | --h* | -h ) + echo "$usage"; exit ;; + -- ) # Stop option processing + shift; break ;; + - ) # Use stdin as input. + break ;; + -* ) + echo "$me: invalid option $1$help" >&2 + exit 1 ;; + * ) + break ;; + esac +done + +if test $# != 0; then + echo "$me: too many arguments$help" >&2 + exit 1 +fi + +trap 'exit 1' 1 2 15 + +# CC_FOR_BUILD -- compiler used by this script. Note that the use of a +# compiler to aid in system detection is discouraged as it requires +# temporary files to be created and, as you can see below, it is a +# headache to deal with in a portable fashion. + +# Historically, `CC_FOR_BUILD' used to be named `HOST_CC'. We still +# use `HOST_CC' if defined, but it is deprecated. + +# Portable tmp directory creation inspired by the Autoconf team. + +set_cc_for_build=' +trap "exitcode=\$?; (rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null) && exit \$exitcode" 0 ; +trap "rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null; exit 1" 1 2 13 15 ; +: ${TMPDIR=/tmp} ; + { tmp=`(umask 077 && mktemp -d "$TMPDIR/cgXXXXXX") 2>/dev/null` && test -n "$tmp" && test -d "$tmp" ; } || + { test -n "$RANDOM" && tmp=$TMPDIR/cg$$-$RANDOM && (umask 077 && mkdir $tmp) ; } || + { tmp=$TMPDIR/cg-$$ && (umask 077 && mkdir $tmp) && echo "Warning: creating insecure temp directory" >&2 ; } || + { echo "$me: cannot create a temporary directory in $TMPDIR" >&2 ; exit 1 ; } ; +dummy=$tmp/dummy ; +tmpfiles="$dummy.c $dummy.o $dummy.rel $dummy" ; +case $CC_FOR_BUILD,$HOST_CC,$CC in + ,,) echo "int x;" > $dummy.c ; + for c in cc gcc c89 c99 ; do + if ($c -c -o $dummy.o $dummy.c) >/dev/null 2>&1 ; then + CC_FOR_BUILD="$c"; break ; + fi ; + done ; + if test x"$CC_FOR_BUILD" = x ; then + CC_FOR_BUILD=no_compiler_found ; + fi + ;; + ,,*) CC_FOR_BUILD=$CC ;; + ,*,*) CC_FOR_BUILD=$HOST_CC ;; +esac ; set_cc_for_build= ;' + +# This is needed to find uname on a Pyramid OSx when run in the BSD universe. +# (ghazi@noc.rutgers.edu 1994-08-24) +if (test -f /.attbin/uname) >/dev/null 2>&1 ; then + PATH=$PATH:/.attbin ; export PATH +fi + +UNAME_MACHINE=`(uname -m) 2>/dev/null` || UNAME_MACHINE=unknown +UNAME_RELEASE=`(uname -r) 2>/dev/null` || UNAME_RELEASE=unknown +UNAME_SYSTEM=`(uname -s) 2>/dev/null` || UNAME_SYSTEM=unknown +UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown + +# Note: order is significant - the case branches are not exclusive. + +case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in + *:NetBSD:*:*) + # NetBSD (nbsd) targets should (where applicable) match one or + # more of the tupples: *-*-netbsdelf*, *-*-netbsdaout*, + # *-*-netbsdecoff* and *-*-netbsd*. For targets that recently + # switched to ELF, *-*-netbsd* would select the old + # object file format. This provides both forward + # compatibility and a consistent mechanism for selecting the + # object file format. + # + # Note: NetBSD doesn't particularly care about the vendor + # portion of the name. We always set it to "unknown". + sysctl="sysctl -n hw.machine_arch" + UNAME_MACHINE_ARCH=`(/sbin/$sysctl 2>/dev/null || \ + /usr/sbin/$sysctl 2>/dev/null || echo unknown)` + case "${UNAME_MACHINE_ARCH}" in + armeb) machine=armeb-unknown ;; + arm*) machine=arm-unknown ;; + sh3el) machine=shl-unknown ;; + sh3eb) machine=sh-unknown ;; + sh5el) machine=sh5le-unknown ;; + *) machine=${UNAME_MACHINE_ARCH}-unknown ;; + esac + # The Operating System including object format, if it has switched + # to ELF recently, or will in the future. + case "${UNAME_MACHINE_ARCH}" in + arm*|i386|m68k|ns32k|sh3*|sparc|vax) + eval $set_cc_for_build + if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \ + | grep -q __ELF__ + then + # Once all utilities can be ECOFF (netbsdecoff) or a.out (netbsdaout). + # Return netbsd for either. FIX? + os=netbsd + else + os=netbsdelf + fi + ;; + *) + os=netbsd + ;; + esac + # The OS release + # Debian GNU/NetBSD machines have a different userland, and + # thus, need a distinct triplet. However, they do not need + # kernel version information, so it can be replaced with a + # suitable tag, in the style of linux-gnu. + case "${UNAME_VERSION}" in + Debian*) + release='-gnu' + ;; + *) + release=`echo ${UNAME_RELEASE}|sed -e 's/[-_].*/\./'` + ;; + esac + # Since CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM: + # contains redundant information, the shorter form: + # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used. + echo "${machine}-${os}${release}" + exit ;; + *:OpenBSD:*:*) + UNAME_MACHINE_ARCH=`arch | sed 's/OpenBSD.//'` + echo ${UNAME_MACHINE_ARCH}-unknown-openbsd${UNAME_RELEASE} + exit ;; + *:ekkoBSD:*:*) + echo ${UNAME_MACHINE}-unknown-ekkobsd${UNAME_RELEASE} + exit ;; + *:SolidBSD:*:*) + echo ${UNAME_MACHINE}-unknown-solidbsd${UNAME_RELEASE} + exit ;; + macppc:MirBSD:*:*) + echo powerpc-unknown-mirbsd${UNAME_RELEASE} + exit ;; + *:MirBSD:*:*) + echo ${UNAME_MACHINE}-unknown-mirbsd${UNAME_RELEASE} + exit ;; + alpha:OSF1:*:*) + case $UNAME_RELEASE in + *4.0) + UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $3}'` + ;; + *5.*) + UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $4}'` + ;; + esac + # According to Compaq, /usr/sbin/psrinfo has been available on + # OSF/1 and Tru64 systems produced since 1995. I hope that + # covers most systems running today. This code pipes the CPU + # types through head -n 1, so we only detect the type of CPU 0. + ALPHA_CPU_TYPE=`/usr/sbin/psrinfo -v | sed -n -e 's/^ The alpha \(.*\) processor.*$/\1/p' | head -n 1` + case "$ALPHA_CPU_TYPE" in + "EV4 (21064)") + UNAME_MACHINE="alpha" ;; + "EV4.5 (21064)") + UNAME_MACHINE="alpha" ;; + "LCA4 (21066/21068)") + UNAME_MACHINE="alpha" ;; + "EV5 (21164)") + UNAME_MACHINE="alphaev5" ;; + "EV5.6 (21164A)") + UNAME_MACHINE="alphaev56" ;; + "EV5.6 (21164PC)") + UNAME_MACHINE="alphapca56" ;; + "EV5.7 (21164PC)") + UNAME_MACHINE="alphapca57" ;; + "EV6 (21264)") + UNAME_MACHINE="alphaev6" ;; + "EV6.7 (21264A)") + UNAME_MACHINE="alphaev67" ;; + "EV6.8CB (21264C)") + UNAME_MACHINE="alphaev68" ;; + "EV6.8AL (21264B)") + UNAME_MACHINE="alphaev68" ;; + "EV6.8CX (21264D)") + UNAME_MACHINE="alphaev68" ;; + "EV6.9A (21264/EV69A)") + UNAME_MACHINE="alphaev69" ;; + "EV7 (21364)") + UNAME_MACHINE="alphaev7" ;; + "EV7.9 (21364A)") + UNAME_MACHINE="alphaev79" ;; + esac + # A Pn.n version is a patched version. + # A Vn.n version is a released version. + # A Tn.n version is a released field test version. + # A Xn.n version is an unreleased experimental baselevel. + # 1.2 uses "1.2" for uname -r. + echo ${UNAME_MACHINE}-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^[PVTX]//' | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` + exit ;; + Alpha\ *:Windows_NT*:*) + # How do we know it's Interix rather than the generic POSIX subsystem? + # Should we change UNAME_MACHINE based on the output of uname instead + # of the specific Alpha model? + echo alpha-pc-interix + exit ;; + 21064:Windows_NT:50:3) + echo alpha-dec-winnt3.5 + exit ;; + Amiga*:UNIX_System_V:4.0:*) + echo m68k-unknown-sysv4 + exit ;; + *:[Aa]miga[Oo][Ss]:*:*) + echo ${UNAME_MACHINE}-unknown-amigaos + exit ;; + *:[Mm]orph[Oo][Ss]:*:*) + echo ${UNAME_MACHINE}-unknown-morphos + exit ;; + *:OS/390:*:*) + echo i370-ibm-openedition + exit ;; + *:z/VM:*:*) + echo s390-ibm-zvmoe + exit ;; + *:OS400:*:*) + echo powerpc-ibm-os400 + exit ;; + arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*) + echo arm-acorn-riscix${UNAME_RELEASE} + exit ;; + arm:riscos:*:*|arm:RISCOS:*:*) + echo arm-unknown-riscos + exit ;; + SR2?01:HI-UX/MPP:*:* | SR8000:HI-UX/MPP:*:*) + echo hppa1.1-hitachi-hiuxmpp + exit ;; + Pyramid*:OSx*:*:* | MIS*:OSx*:*:* | MIS*:SMP_DC-OSx*:*:*) + # akee@wpdis03.wpafb.af.mil (Earle F. Ake) contributed MIS and NILE. + if test "`(/bin/universe) 2>/dev/null`" = att ; then + echo pyramid-pyramid-sysv3 + else + echo pyramid-pyramid-bsd + fi + exit ;; + NILE*:*:*:dcosx) + echo pyramid-pyramid-svr4 + exit ;; + DRS?6000:unix:4.0:6*) + echo sparc-icl-nx6 + exit ;; + DRS?6000:UNIX_SV:4.2*:7* | DRS?6000:isis:4.2*:7*) + case `/usr/bin/uname -p` in + sparc) echo sparc-icl-nx7; exit ;; + esac ;; + s390x:SunOS:*:*) + echo ${UNAME_MACHINE}-ibm-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + sun4H:SunOS:5.*:*) + echo sparc-hal-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*) + echo sparc-sun-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + i86pc:AuroraUX:5.*:* | i86xen:AuroraUX:5.*:*) + echo i386-pc-auroraux${UNAME_RELEASE} + exit ;; + i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*) + eval $set_cc_for_build + SUN_ARCH="i386" + # If there is a compiler, see if it is configured for 64-bit objects. + # Note that the Sun cc does not turn __LP64__ into 1 like gcc does. + # This test works for both compilers. + if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then + if (echo '#ifdef __amd64'; echo IS_64BIT_ARCH; echo '#endif') | \ + (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \ + grep IS_64BIT_ARCH >/dev/null + then + SUN_ARCH="x86_64" + fi + fi + echo ${SUN_ARCH}-pc-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + sun4*:SunOS:6*:*) + # According to config.sub, this is the proper way to canonicalize + # SunOS6. Hard to guess exactly what SunOS6 will be like, but + # it's likely to be more like Solaris than SunOS4. + echo sparc-sun-solaris3`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + sun4*:SunOS:*:*) + case "`/usr/bin/arch -k`" in + Series*|S4*) + UNAME_RELEASE=`uname -v` + ;; + esac + # Japanese Language versions have a version number like `4.1.3-JL'. + echo sparc-sun-sunos`echo ${UNAME_RELEASE}|sed -e 's/-/_/'` + exit ;; + sun3*:SunOS:*:*) + echo m68k-sun-sunos${UNAME_RELEASE} + exit ;; + sun*:*:4.2BSD:*) + UNAME_RELEASE=`(sed 1q /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null` + test "x${UNAME_RELEASE}" = "x" && UNAME_RELEASE=3 + case "`/bin/arch`" in + sun3) + echo m68k-sun-sunos${UNAME_RELEASE} + ;; + sun4) + echo sparc-sun-sunos${UNAME_RELEASE} + ;; + esac + exit ;; + aushp:SunOS:*:*) + echo sparc-auspex-sunos${UNAME_RELEASE} + exit ;; + # The situation for MiNT is a little confusing. The machine name + # can be virtually everything (everything which is not + # "atarist" or "atariste" at least should have a processor + # > m68000). The system name ranges from "MiNT" over "FreeMiNT" + # to the lowercase version "mint" (or "freemint"). Finally + # the system name "TOS" denotes a system which is actually not + # MiNT. But MiNT is downward compatible to TOS, so this should + # be no problem. + atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*) + echo m68k-atari-mint${UNAME_RELEASE} + exit ;; + atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*) + echo m68k-atari-mint${UNAME_RELEASE} + exit ;; + *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*) + echo m68k-atari-mint${UNAME_RELEASE} + exit ;; + milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*) + echo m68k-milan-mint${UNAME_RELEASE} + exit ;; + hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*) + echo m68k-hades-mint${UNAME_RELEASE} + exit ;; + *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*) + echo m68k-unknown-mint${UNAME_RELEASE} + exit ;; + m68k:machten:*:*) + echo m68k-apple-machten${UNAME_RELEASE} + exit ;; + powerpc:machten:*:*) + echo powerpc-apple-machten${UNAME_RELEASE} + exit ;; + RISC*:Mach:*:*) + echo mips-dec-mach_bsd4.3 + exit ;; + RISC*:ULTRIX:*:*) + echo mips-dec-ultrix${UNAME_RELEASE} + exit ;; + VAX*:ULTRIX*:*:*) + echo vax-dec-ultrix${UNAME_RELEASE} + exit ;; + 2020:CLIX:*:* | 2430:CLIX:*:*) + echo clipper-intergraph-clix${UNAME_RELEASE} + exit ;; + mips:*:*:UMIPS | mips:*:*:RISCos) + eval $set_cc_for_build + sed 's/^ //' << EOF >$dummy.c +#ifdef __cplusplus +#include /* for printf() prototype */ + int main (int argc, char *argv[]) { +#else + int main (argc, argv) int argc; char *argv[]; { +#endif + #if defined (host_mips) && defined (MIPSEB) + #if defined (SYSTYPE_SYSV) + printf ("mips-mips-riscos%ssysv\n", argv[1]); exit (0); + #endif + #if defined (SYSTYPE_SVR4) + printf ("mips-mips-riscos%ssvr4\n", argv[1]); exit (0); + #endif + #if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD) + printf ("mips-mips-riscos%sbsd\n", argv[1]); exit (0); + #endif + #endif + exit (-1); + } +EOF + $CC_FOR_BUILD -o $dummy $dummy.c && + dummyarg=`echo "${UNAME_RELEASE}" | sed -n 's/\([0-9]*\).*/\1/p'` && + SYSTEM_NAME=`$dummy $dummyarg` && + { echo "$SYSTEM_NAME"; exit; } + echo mips-mips-riscos${UNAME_RELEASE} + exit ;; + Motorola:PowerMAX_OS:*:*) + echo powerpc-motorola-powermax + exit ;; + Motorola:*:4.3:PL8-*) + echo powerpc-harris-powermax + exit ;; + Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*) + echo powerpc-harris-powermax + exit ;; + Night_Hawk:Power_UNIX:*:*) + echo powerpc-harris-powerunix + exit ;; + m88k:CX/UX:7*:*) + echo m88k-harris-cxux7 + exit ;; + m88k:*:4*:R4*) + echo m88k-motorola-sysv4 + exit ;; + m88k:*:3*:R3*) + echo m88k-motorola-sysv3 + exit ;; + AViiON:dgux:*:*) + # DG/UX returns AViiON for all architectures + UNAME_PROCESSOR=`/usr/bin/uname -p` + if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ] + then + if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \ + [ ${TARGET_BINARY_INTERFACE}x = x ] + then + echo m88k-dg-dgux${UNAME_RELEASE} + else + echo m88k-dg-dguxbcs${UNAME_RELEASE} + fi + else + echo i586-dg-dgux${UNAME_RELEASE} + fi + exit ;; + M88*:DolphinOS:*:*) # DolphinOS (SVR3) + echo m88k-dolphin-sysv3 + exit ;; + M88*:*:R3*:*) + # Delta 88k system running SVR3 + echo m88k-motorola-sysv3 + exit ;; + XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3) + echo m88k-tektronix-sysv3 + exit ;; + Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD) + echo m68k-tektronix-bsd + exit ;; + *:IRIX*:*:*) + echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'` + exit ;; + ????????:AIX?:[12].1:2) # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX. + echo romp-ibm-aix # uname -m gives an 8 hex-code CPU id + exit ;; # Note that: echo "'`uname -s`'" gives 'AIX ' + i*86:AIX:*:*) + echo i386-ibm-aix + exit ;; + ia64:AIX:*:*) + if [ -x /usr/bin/oslevel ] ; then + IBM_REV=`/usr/bin/oslevel` + else + IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} + fi + echo ${UNAME_MACHINE}-ibm-aix${IBM_REV} + exit ;; + *:AIX:2:3) + if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then + eval $set_cc_for_build + sed 's/^ //' << EOF >$dummy.c + #include + + main() + { + if (!__power_pc()) + exit(1); + puts("powerpc-ibm-aix3.2.5"); + exit(0); + } +EOF + if $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` + then + echo "$SYSTEM_NAME" + else + echo rs6000-ibm-aix3.2.5 + fi + elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then + echo rs6000-ibm-aix3.2.4 + else + echo rs6000-ibm-aix3.2 + fi + exit ;; + *:AIX:*:[456]) + IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'` + if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then + IBM_ARCH=rs6000 + else + IBM_ARCH=powerpc + fi + if [ -x /usr/bin/oslevel ] ; then + IBM_REV=`/usr/bin/oslevel` + else + IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} + fi + echo ${IBM_ARCH}-ibm-aix${IBM_REV} + exit ;; + *:AIX:*:*) + echo rs6000-ibm-aix + exit ;; + ibmrt:4.4BSD:*|romp-ibm:BSD:*) + echo romp-ibm-bsd4.4 + exit ;; + ibmrt:*BSD:*|romp-ibm:BSD:*) # covers RT/PC BSD and + echo romp-ibm-bsd${UNAME_RELEASE} # 4.3 with uname added to + exit ;; # report: romp-ibm BSD 4.3 + *:BOSX:*:*) + echo rs6000-bull-bosx + exit ;; + DPX/2?00:B.O.S.:*:*) + echo m68k-bull-sysv3 + exit ;; + 9000/[34]??:4.3bsd:1.*:*) + echo m68k-hp-bsd + exit ;; + hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*) + echo m68k-hp-bsd4.4 + exit ;; + 9000/[34678]??:HP-UX:*:*) + HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` + case "${UNAME_MACHINE}" in + 9000/31? ) HP_ARCH=m68000 ;; + 9000/[34]?? ) HP_ARCH=m68k ;; + 9000/[678][0-9][0-9]) + if [ -x /usr/bin/getconf ]; then + sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null` + sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null` + case "${sc_cpu_version}" in + 523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0 + 528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1 + 532) # CPU_PA_RISC2_0 + case "${sc_kernel_bits}" in + 32) HP_ARCH="hppa2.0n" ;; + 64) HP_ARCH="hppa2.0w" ;; + '') HP_ARCH="hppa2.0" ;; # HP-UX 10.20 + esac ;; + esac + fi + if [ "${HP_ARCH}" = "" ]; then + eval $set_cc_for_build + sed 's/^ //' << EOF >$dummy.c + + #define _HPUX_SOURCE + #include + #include + + int main () + { + #if defined(_SC_KERNEL_BITS) + long bits = sysconf(_SC_KERNEL_BITS); + #endif + long cpu = sysconf (_SC_CPU_VERSION); + + switch (cpu) + { + case CPU_PA_RISC1_0: puts ("hppa1.0"); break; + case CPU_PA_RISC1_1: puts ("hppa1.1"); break; + case CPU_PA_RISC2_0: + #if defined(_SC_KERNEL_BITS) + switch (bits) + { + case 64: puts ("hppa2.0w"); break; + case 32: puts ("hppa2.0n"); break; + default: puts ("hppa2.0"); break; + } break; + #else /* !defined(_SC_KERNEL_BITS) */ + puts ("hppa2.0"); break; + #endif + default: puts ("hppa1.0"); break; + } + exit (0); + } +EOF + (CCOPTS= $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy` + test -z "$HP_ARCH" && HP_ARCH=hppa + fi ;; + esac + if [ ${HP_ARCH} = "hppa2.0w" ] + then + eval $set_cc_for_build + + # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating + # 32-bit code. hppa64-hp-hpux* has the same kernel and a compiler + # generating 64-bit code. GNU and HP use different nomenclature: + # + # $ CC_FOR_BUILD=cc ./config.guess + # => hppa2.0w-hp-hpux11.23 + # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess + # => hppa64-hp-hpux11.23 + + if echo __LP64__ | (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | + grep -q __LP64__ + then + HP_ARCH="hppa2.0w" + else + HP_ARCH="hppa64" + fi + fi + echo ${HP_ARCH}-hp-hpux${HPUX_REV} + exit ;; + ia64:HP-UX:*:*) + HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` + echo ia64-hp-hpux${HPUX_REV} + exit ;; + 3050*:HI-UX:*:*) + eval $set_cc_for_build + sed 's/^ //' << EOF >$dummy.c + #include + int + main () + { + long cpu = sysconf (_SC_CPU_VERSION); + /* The order matters, because CPU_IS_HP_MC68K erroneously returns + true for CPU_PA_RISC1_0. CPU_IS_PA_RISC returns correct + results, however. */ + if (CPU_IS_PA_RISC (cpu)) + { + switch (cpu) + { + case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break; + case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break; + case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break; + default: puts ("hppa-hitachi-hiuxwe2"); break; + } + } + else if (CPU_IS_HP_MC68K (cpu)) + puts ("m68k-hitachi-hiuxwe2"); + else puts ("unknown-hitachi-hiuxwe2"); + exit (0); + } +EOF + $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` && + { echo "$SYSTEM_NAME"; exit; } + echo unknown-hitachi-hiuxwe2 + exit ;; + 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* ) + echo hppa1.1-hp-bsd + exit ;; + 9000/8??:4.3bsd:*:*) + echo hppa1.0-hp-bsd + exit ;; + *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*) + echo hppa1.0-hp-mpeix + exit ;; + hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* ) + echo hppa1.1-hp-osf + exit ;; + hp8??:OSF1:*:*) + echo hppa1.0-hp-osf + exit ;; + i*86:OSF1:*:*) + if [ -x /usr/sbin/sysversion ] ; then + echo ${UNAME_MACHINE}-unknown-osf1mk + else + echo ${UNAME_MACHINE}-unknown-osf1 + fi + exit ;; + parisc*:Lites*:*:*) + echo hppa1.1-hp-lites + exit ;; + C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*) + echo c1-convex-bsd + exit ;; + C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*) + if getsysinfo -f scalar_acc + then echo c32-convex-bsd + else echo c2-convex-bsd + fi + exit ;; + C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*) + echo c34-convex-bsd + exit ;; + C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*) + echo c38-convex-bsd + exit ;; + C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*) + echo c4-convex-bsd + exit ;; + CRAY*Y-MP:*:*:*) + echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' + exit ;; + CRAY*[A-Z]90:*:*:*) + echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \ + | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \ + -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \ + -e 's/\.[^.]*$/.X/' + exit ;; + CRAY*TS:*:*:*) + echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' + exit ;; + CRAY*T3E:*:*:*) + echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' + exit ;; + CRAY*SV1:*:*:*) + echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' + exit ;; + *:UNICOS/mp:*:*) + echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' + exit ;; + F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*) + FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` + FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` + FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'` + echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" + exit ;; + 5000:UNIX_System_V:4.*:*) + FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` + FUJITSU_REL=`echo ${UNAME_RELEASE} | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/ /_/'` + echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" + exit ;; + i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*) + echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE} + exit ;; + sparc*:BSD/OS:*:*) + echo sparc-unknown-bsdi${UNAME_RELEASE} + exit ;; + *:BSD/OS:*:*) + echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE} + exit ;; + *:FreeBSD:*:*) + case ${UNAME_MACHINE} in + pc98) + echo i386-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; + amd64) + echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; + *) + echo ${UNAME_MACHINE}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; + esac + exit ;; + i*:CYGWIN*:*) + echo ${UNAME_MACHINE}-pc-cygwin + exit ;; + *:MINGW*:*) + echo ${UNAME_MACHINE}-pc-mingw32 + exit ;; + i*:windows32*:*) + # uname -m includes "-pc" on this system. + echo ${UNAME_MACHINE}-mingw32 + exit ;; + i*:PW*:*) + echo ${UNAME_MACHINE}-pc-pw32 + exit ;; + *:Interix*:*) + case ${UNAME_MACHINE} in + x86) + echo i586-pc-interix${UNAME_RELEASE} + exit ;; + authenticamd | genuineintel | EM64T) + echo x86_64-unknown-interix${UNAME_RELEASE} + exit ;; + IA64) + echo ia64-unknown-interix${UNAME_RELEASE} + exit ;; + esac ;; + [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*) + echo i${UNAME_MACHINE}-pc-mks + exit ;; + 8664:Windows_NT:*) + echo x86_64-pc-mks + exit ;; + i*:Windows_NT*:* | Pentium*:Windows_NT*:*) + # How do we know it's Interix rather than the generic POSIX subsystem? + # It also conflicts with pre-2.0 versions of AT&T UWIN. Should we + # UNAME_MACHINE based on the output of uname instead of i386? + echo i586-pc-interix + exit ;; + i*:UWIN*:*) + echo ${UNAME_MACHINE}-pc-uwin + exit ;; + amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*) + echo x86_64-unknown-cygwin + exit ;; + p*:CYGWIN*:*) + echo powerpcle-unknown-cygwin + exit ;; + prep*:SunOS:5.*:*) + echo powerpcle-unknown-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + *:GNU:*:*) + # the GNU system + echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-unknown-gnu`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'` + exit ;; + *:GNU/*:*:*) + # other systems with GNU libc and userland + echo ${UNAME_MACHINE}-unknown-`echo ${UNAME_SYSTEM} | sed 's,^[^/]*/,,' | tr '[A-Z]' '[a-z]'``echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`-gnu + exit ;; + i*86:Minix:*:*) + echo ${UNAME_MACHINE}-pc-minix + exit ;; + alpha:Linux:*:*) + case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in + EV5) UNAME_MACHINE=alphaev5 ;; + EV56) UNAME_MACHINE=alphaev56 ;; + PCA56) UNAME_MACHINE=alphapca56 ;; + PCA57) UNAME_MACHINE=alphapca56 ;; + EV6) UNAME_MACHINE=alphaev6 ;; + EV67) UNAME_MACHINE=alphaev67 ;; + EV68*) UNAME_MACHINE=alphaev68 ;; + esac + objdump --private-headers /bin/sh | grep -q ld.so.1 + if test "$?" = 0 ; then LIBC="libc1" ; else LIBC="" ; fi + echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC} + exit ;; + arm*:Linux:*:*) + eval $set_cc_for_build + if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \ + | grep -q __ARM_EABI__ + then + echo ${UNAME_MACHINE}-unknown-linux-gnu + else + echo ${UNAME_MACHINE}-unknown-linux-gnueabi + fi + exit ;; + avr32*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-gnu + exit ;; + cris:Linux:*:*) + echo cris-axis-linux-gnu + exit ;; + crisv32:Linux:*:*) + echo crisv32-axis-linux-gnu + exit ;; + frv:Linux:*:*) + echo frv-unknown-linux-gnu + exit ;; + i*86:Linux:*:*) + LIBC=gnu + eval $set_cc_for_build + sed 's/^ //' << EOF >$dummy.c + #ifdef __dietlibc__ + LIBC=dietlibc + #endif +EOF + eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^LIBC'` + echo "${UNAME_MACHINE}-pc-linux-${LIBC}" + exit ;; + ia64:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-gnu + exit ;; + m32r*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-gnu + exit ;; + m68*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-gnu + exit ;; + mips:Linux:*:* | mips64:Linux:*:*) + eval $set_cc_for_build + sed 's/^ //' << EOF >$dummy.c + #undef CPU + #undef ${UNAME_MACHINE} + #undef ${UNAME_MACHINE}el + #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL) + CPU=${UNAME_MACHINE}el + #else + #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB) + CPU=${UNAME_MACHINE} + #else + CPU= + #endif + #endif +EOF + eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^CPU'` + test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; } + ;; + or32:Linux:*:*) + echo or32-unknown-linux-gnu + exit ;; + padre:Linux:*:*) + echo sparc-unknown-linux-gnu + exit ;; + parisc64:Linux:*:* | hppa64:Linux:*:*) + echo hppa64-unknown-linux-gnu + exit ;; + parisc:Linux:*:* | hppa:Linux:*:*) + # Look for CPU level + case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in + PA7*) echo hppa1.1-unknown-linux-gnu ;; + PA8*) echo hppa2.0-unknown-linux-gnu ;; + *) echo hppa-unknown-linux-gnu ;; + esac + exit ;; + ppc64:Linux:*:*) + echo powerpc64-unknown-linux-gnu + exit ;; + ppc:Linux:*:*) + echo powerpc-unknown-linux-gnu + exit ;; + s390:Linux:*:* | s390x:Linux:*:*) + echo ${UNAME_MACHINE}-ibm-linux + exit ;; + sh64*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-gnu + exit ;; + sh*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-gnu + exit ;; + sparc:Linux:*:* | sparc64:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-gnu + exit ;; + vax:Linux:*:*) + echo ${UNAME_MACHINE}-dec-linux-gnu + exit ;; + x86_64:Linux:*:*) + echo x86_64-unknown-linux-gnu + exit ;; + xtensa*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-gnu + exit ;; + i*86:DYNIX/ptx:4*:*) + # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there. + # earlier versions are messed up and put the nodename in both + # sysname and nodename. + echo i386-sequent-sysv4 + exit ;; + i*86:UNIX_SV:4.2MP:2.*) + # Unixware is an offshoot of SVR4, but it has its own version + # number series starting with 2... + # I am not positive that other SVR4 systems won't match this, + # I just have to hope. -- rms. + # Use sysv4.2uw... so that sysv4* matches it. + echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION} + exit ;; + i*86:OS/2:*:*) + # If we were able to find `uname', then EMX Unix compatibility + # is probably installed. + echo ${UNAME_MACHINE}-pc-os2-emx + exit ;; + i*86:XTS-300:*:STOP) + echo ${UNAME_MACHINE}-unknown-stop + exit ;; + i*86:atheos:*:*) + echo ${UNAME_MACHINE}-unknown-atheos + exit ;; + i*86:syllable:*:*) + echo ${UNAME_MACHINE}-pc-syllable + exit ;; + i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.[02]*:*) + echo i386-unknown-lynxos${UNAME_RELEASE} + exit ;; + i*86:*DOS:*:*) + echo ${UNAME_MACHINE}-pc-msdosdjgpp + exit ;; + i*86:*:4.*:* | i*86:SYSTEM_V:4.*:*) + UNAME_REL=`echo ${UNAME_RELEASE} | sed 's/\/MP$//'` + if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then + echo ${UNAME_MACHINE}-univel-sysv${UNAME_REL} + else + echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL} + fi + exit ;; + i*86:*:5:[678]*) + # UnixWare 7.x, OpenUNIX and OpenServer 6. + case `/bin/uname -X | grep "^Machine"` in + *486*) UNAME_MACHINE=i486 ;; + *Pentium) UNAME_MACHINE=i586 ;; + *Pent*|*Celeron) UNAME_MACHINE=i686 ;; + esac + echo ${UNAME_MACHINE}-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION} + exit ;; + i*86:*:3.2:*) + if test -f /usr/options/cb.name; then + UNAME_REL=`sed -n 's/.*Version //p' /dev/null >/dev/null ; then + UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')` + (/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486 + (/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \ + && UNAME_MACHINE=i586 + (/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \ + && UNAME_MACHINE=i686 + (/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \ + && UNAME_MACHINE=i686 + echo ${UNAME_MACHINE}-pc-sco$UNAME_REL + else + echo ${UNAME_MACHINE}-pc-sysv32 + fi + exit ;; + pc:*:*:*) + # Left here for compatibility: + # uname -m prints for DJGPP always 'pc', but it prints nothing about + # the processor, so we play safe by assuming i586. + # Note: whatever this is, it MUST be the same as what config.sub + # prints for the "djgpp" host, or else GDB configury will decide that + # this is a cross-build. + echo i586-pc-msdosdjgpp + exit ;; + Intel:Mach:3*:*) + echo i386-pc-mach3 + exit ;; + paragon:*:*:*) + echo i860-intel-osf1 + exit ;; + i860:*:4.*:*) # i860-SVR4 + if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then + echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4 + else # Add other i860-SVR4 vendors below as they are discovered. + echo i860-unknown-sysv${UNAME_RELEASE} # Unknown i860-SVR4 + fi + exit ;; + mini*:CTIX:SYS*5:*) + # "miniframe" + echo m68010-convergent-sysv + exit ;; + mc68k:UNIX:SYSTEM5:3.51m) + echo m68k-convergent-sysv + exit ;; + M680?0:D-NIX:5.3:*) + echo m68k-diab-dnix + exit ;; + M68*:*:R3V[5678]*:*) + test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;; + 3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0) + OS_REL='' + test -r /etc/.relid \ + && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` + /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ + && { echo i486-ncr-sysv4.3${OS_REL}; exit; } + /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ + && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;; + 3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*) + /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ + && { echo i486-ncr-sysv4; exit; } ;; + NCR*:*:4.2:* | MPRAS*:*:4.2:*) + OS_REL='.3' + test -r /etc/.relid \ + && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` + /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ + && { echo i486-ncr-sysv4.3${OS_REL}; exit; } + /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ + && { echo i586-ncr-sysv4.3${OS_REL}; exit; } + /bin/uname -p 2>/dev/null | /bin/grep pteron >/dev/null \ + && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;; + m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*) + echo m68k-unknown-lynxos${UNAME_RELEASE} + exit ;; + mc68030:UNIX_System_V:4.*:*) + echo m68k-atari-sysv4 + exit ;; + TSUNAMI:LynxOS:2.*:*) + echo sparc-unknown-lynxos${UNAME_RELEASE} + exit ;; + rs6000:LynxOS:2.*:*) + echo rs6000-unknown-lynxos${UNAME_RELEASE} + exit ;; + PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.[02]*:*) + echo powerpc-unknown-lynxos${UNAME_RELEASE} + exit ;; + SM[BE]S:UNIX_SV:*:*) + echo mips-dde-sysv${UNAME_RELEASE} + exit ;; + RM*:ReliantUNIX-*:*:*) + echo mips-sni-sysv4 + exit ;; + RM*:SINIX-*:*:*) + echo mips-sni-sysv4 + exit ;; + *:SINIX-*:*:*) + if uname -p 2>/dev/null >/dev/null ; then + UNAME_MACHINE=`(uname -p) 2>/dev/null` + echo ${UNAME_MACHINE}-sni-sysv4 + else + echo ns32k-sni-sysv + fi + exit ;; + PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort + # says + echo i586-unisys-sysv4 + exit ;; + *:UNIX_System_V:4*:FTX*) + # From Gerald Hewes . + # How about differentiating between stratus architectures? -djm + echo hppa1.1-stratus-sysv4 + exit ;; + *:*:*:FTX*) + # From seanf@swdc.stratus.com. + echo i860-stratus-sysv4 + exit ;; + i*86:VOS:*:*) + # From Paul.Green@stratus.com. + echo ${UNAME_MACHINE}-stratus-vos + exit ;; + *:VOS:*:*) + # From Paul.Green@stratus.com. + echo hppa1.1-stratus-vos + exit ;; + mc68*:A/UX:*:*) + echo m68k-apple-aux${UNAME_RELEASE} + exit ;; + news*:NEWS-OS:6*:*) + echo mips-sony-newsos6 + exit ;; + R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*) + if [ -d /usr/nec ]; then + echo mips-nec-sysv${UNAME_RELEASE} + else + echo mips-unknown-sysv${UNAME_RELEASE} + fi + exit ;; + BeBox:BeOS:*:*) # BeOS running on hardware made by Be, PPC only. + echo powerpc-be-beos + exit ;; + BeMac:BeOS:*:*) # BeOS running on Mac or Mac clone, PPC only. + echo powerpc-apple-beos + exit ;; + BePC:BeOS:*:*) # BeOS running on Intel PC compatible. + echo i586-pc-beos + exit ;; + BePC:Haiku:*:*) # Haiku running on Intel PC compatible. + echo i586-pc-haiku + exit ;; + SX-4:SUPER-UX:*:*) + echo sx4-nec-superux${UNAME_RELEASE} + exit ;; + SX-5:SUPER-UX:*:*) + echo sx5-nec-superux${UNAME_RELEASE} + exit ;; + SX-6:SUPER-UX:*:*) + echo sx6-nec-superux${UNAME_RELEASE} + exit ;; + SX-7:SUPER-UX:*:*) + echo sx7-nec-superux${UNAME_RELEASE} + exit ;; + SX-8:SUPER-UX:*:*) + echo sx8-nec-superux${UNAME_RELEASE} + exit ;; + SX-8R:SUPER-UX:*:*) + echo sx8r-nec-superux${UNAME_RELEASE} + exit ;; + Power*:Rhapsody:*:*) + echo powerpc-apple-rhapsody${UNAME_RELEASE} + exit ;; + *:Rhapsody:*:*) + echo ${UNAME_MACHINE}-apple-rhapsody${UNAME_RELEASE} + exit ;; + *:Darwin:*:*) + UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown + case $UNAME_PROCESSOR in + i386) + eval $set_cc_for_build + if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then + if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \ + (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \ + grep IS_64BIT_ARCH >/dev/null + then + UNAME_PROCESSOR="x86_64" + fi + fi ;; + unknown) UNAME_PROCESSOR=powerpc ;; + esac + echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE} + exit ;; + *:procnto*:*:* | *:QNX:[0123456789]*:*) + UNAME_PROCESSOR=`uname -p` + if test "$UNAME_PROCESSOR" = "x86"; then + UNAME_PROCESSOR=i386 + UNAME_MACHINE=pc + fi + echo ${UNAME_PROCESSOR}-${UNAME_MACHINE}-nto-qnx${UNAME_RELEASE} + exit ;; + *:QNX:*:4*) + echo i386-pc-qnx + exit ;; + NSE-?:NONSTOP_KERNEL:*:*) + echo nse-tandem-nsk${UNAME_RELEASE} + exit ;; + NSR-?:NONSTOP_KERNEL:*:*) + echo nsr-tandem-nsk${UNAME_RELEASE} + exit ;; + *:NonStop-UX:*:*) + echo mips-compaq-nonstopux + exit ;; + BS2000:POSIX*:*:*) + echo bs2000-siemens-sysv + exit ;; + DS/*:UNIX_System_V:*:*) + echo ${UNAME_MACHINE}-${UNAME_SYSTEM}-${UNAME_RELEASE} + exit ;; + *:Plan9:*:*) + # "uname -m" is not consistent, so use $cputype instead. 386 + # is converted to i386 for consistency with other x86 + # operating systems. + if test "$cputype" = "386"; then + UNAME_MACHINE=i386 + else + UNAME_MACHINE="$cputype" + fi + echo ${UNAME_MACHINE}-unknown-plan9 + exit ;; + *:TOPS-10:*:*) + echo pdp10-unknown-tops10 + exit ;; + *:TENEX:*:*) + echo pdp10-unknown-tenex + exit ;; + KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*) + echo pdp10-dec-tops20 + exit ;; + XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*) + echo pdp10-xkl-tops20 + exit ;; + *:TOPS-20:*:*) + echo pdp10-unknown-tops20 + exit ;; + *:ITS:*:*) + echo pdp10-unknown-its + exit ;; + SEI:*:*:SEIUX) + echo mips-sei-seiux${UNAME_RELEASE} + exit ;; + *:DragonFly:*:*) + echo ${UNAME_MACHINE}-unknown-dragonfly`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` + exit ;; + *:*VMS:*:*) + UNAME_MACHINE=`(uname -p) 2>/dev/null` + case "${UNAME_MACHINE}" in + A*) echo alpha-dec-vms ; exit ;; + I*) echo ia64-dec-vms ; exit ;; + V*) echo vax-dec-vms ; exit ;; + esac ;; + *:XENIX:*:SysV) + echo i386-pc-xenix + exit ;; + i*86:skyos:*:*) + echo ${UNAME_MACHINE}-pc-skyos`echo ${UNAME_RELEASE}` | sed -e 's/ .*$//' + exit ;; + i*86:rdos:*:*) + echo ${UNAME_MACHINE}-pc-rdos + exit ;; + i*86:AROS:*:*) + echo ${UNAME_MACHINE}-pc-aros + exit ;; +esac + +#echo '(No uname command or uname output not recognized.)' 1>&2 +#echo "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" 1>&2 + +eval $set_cc_for_build +cat >$dummy.c < +# include +#endif +main () +{ +#if defined (sony) +#if defined (MIPSEB) + /* BFD wants "bsd" instead of "newsos". Perhaps BFD should be changed, + I don't know.... */ + printf ("mips-sony-bsd\n"); exit (0); +#else +#include + printf ("m68k-sony-newsos%s\n", +#ifdef NEWSOS4 + "4" +#else + "" +#endif + ); exit (0); +#endif +#endif + +#if defined (__arm) && defined (__acorn) && defined (__unix) + printf ("arm-acorn-riscix\n"); exit (0); +#endif + +#if defined (hp300) && !defined (hpux) + printf ("m68k-hp-bsd\n"); exit (0); +#endif + +#if defined (NeXT) +#if !defined (__ARCHITECTURE__) +#define __ARCHITECTURE__ "m68k" +#endif + int version; + version=`(hostinfo | sed -n 's/.*NeXT Mach \([0-9]*\).*/\1/p') 2>/dev/null`; + if (version < 4) + printf ("%s-next-nextstep%d\n", __ARCHITECTURE__, version); + else + printf ("%s-next-openstep%d\n", __ARCHITECTURE__, version); + exit (0); +#endif + +#if defined (MULTIMAX) || defined (n16) +#if defined (UMAXV) + printf ("ns32k-encore-sysv\n"); exit (0); +#else +#if defined (CMU) + printf ("ns32k-encore-mach\n"); exit (0); +#else + printf ("ns32k-encore-bsd\n"); exit (0); +#endif +#endif +#endif + +#if defined (__386BSD__) + printf ("i386-pc-bsd\n"); exit (0); +#endif + +#if defined (sequent) +#if defined (i386) + printf ("i386-sequent-dynix\n"); exit (0); +#endif +#if defined (ns32000) + printf ("ns32k-sequent-dynix\n"); exit (0); +#endif +#endif + +#if defined (_SEQUENT_) + struct utsname un; + + uname(&un); + + if (strncmp(un.version, "V2", 2) == 0) { + printf ("i386-sequent-ptx2\n"); exit (0); + } + if (strncmp(un.version, "V1", 2) == 0) { /* XXX is V1 correct? */ + printf ("i386-sequent-ptx1\n"); exit (0); + } + printf ("i386-sequent-ptx\n"); exit (0); + +#endif + +#if defined (vax) +# if !defined (ultrix) +# include +# if defined (BSD) +# if BSD == 43 + printf ("vax-dec-bsd4.3\n"); exit (0); +# else +# if BSD == 199006 + printf ("vax-dec-bsd4.3reno\n"); exit (0); +# else + printf ("vax-dec-bsd\n"); exit (0); +# endif +# endif +# else + printf ("vax-dec-bsd\n"); exit (0); +# endif +# else + printf ("vax-dec-ultrix\n"); exit (0); +# endif +#endif + +#if defined (alliant) && defined (i860) + printf ("i860-alliant-bsd\n"); exit (0); +#endif + + exit (1); +} +EOF + +$CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null && SYSTEM_NAME=`$dummy` && + { echo "$SYSTEM_NAME"; exit; } + +# Apollos put the system type in the environment. + +test -d /usr/apollo && { echo ${ISP}-apollo-${SYSTYPE}; exit; } + +# Convex versions that predate uname can use getsysinfo(1) + +if [ -x /usr/convex/getsysinfo ] +then + case `getsysinfo -f cpu_type` in + c1*) + echo c1-convex-bsd + exit ;; + c2*) + if getsysinfo -f scalar_acc + then echo c32-convex-bsd + else echo c2-convex-bsd + fi + exit ;; + c34*) + echo c34-convex-bsd + exit ;; + c38*) + echo c38-convex-bsd + exit ;; + c4*) + echo c4-convex-bsd + exit ;; + esac +fi + +cat >&2 < in order to provide the needed +information to handle your system. + +config.guess timestamp = $timestamp + +uname -m = `(uname -m) 2>/dev/null || echo unknown` +uname -r = `(uname -r) 2>/dev/null || echo unknown` +uname -s = `(uname -s) 2>/dev/null || echo unknown` +uname -v = `(uname -v) 2>/dev/null || echo unknown` + +/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null` +/bin/uname -X = `(/bin/uname -X) 2>/dev/null` + +hostinfo = `(hostinfo) 2>/dev/null` +/bin/universe = `(/bin/universe) 2>/dev/null` +/usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null` +/bin/arch = `(/bin/arch) 2>/dev/null` +/usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null` +/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null` + +UNAME_MACHINE = ${UNAME_MACHINE} +UNAME_RELEASE = ${UNAME_RELEASE} +UNAME_SYSTEM = ${UNAME_SYSTEM} +UNAME_VERSION = ${UNAME_VERSION} +EOF + +exit 1 + +# Local variables: +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "timestamp='" +# time-stamp-format: "%:y-%02m-%02d" +# time-stamp-end: "'" +# End: diff --git a/config/autoconf/config.sub b/config/autoconf/config.sub new file mode 100755 index 0000000..2a55a50 --- /dev/null +++ b/config/autoconf/config.sub @@ -0,0 +1,1705 @@ +#! /bin/sh +# Configuration validation subroutine script. +# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, +# 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 +# Free Software Foundation, Inc. + +timestamp='2009-11-20' + +# This file is (in principle) common to ALL GNU software. +# The presence of a machine in this file suggests that SOME GNU software +# can handle that machine. It does not imply ALL GNU software can. +# +# This file is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA +# 02110-1301, USA. +# +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + + +# Please send patches to . Submit a context +# diff and a properly formatted GNU ChangeLog entry. +# +# Configuration subroutine to validate and canonicalize a configuration type. +# Supply the specified configuration type as an argument. +# If it is invalid, we print an error message on stderr and exit with code 1. +# Otherwise, we print the canonical config type on stdout and succeed. + +# You can get the latest version of this script from: +# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD + +# This file is supposed to be the same for all GNU packages +# and recognize all the CPU types, system types and aliases +# that are meaningful with *any* GNU software. +# Each package is responsible for reporting which valid configurations +# it does not support. The user should be able to distinguish +# a failure to support a valid configuration from a meaningless +# configuration. + +# The goal of this file is to map all the various variations of a given +# machine specification into a single specification in the form: +# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM +# or in some cases, the newer four-part form: +# CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM +# It is wrong to echo any other type of specification. + +me=`echo "$0" | sed -e 's,.*/,,'` + +usage="\ +Usage: $0 [OPTION] CPU-MFR-OPSYS + $0 [OPTION] ALIAS + +Canonicalize a configuration name. + +Operation modes: + -h, --help print this help, then exit + -t, --time-stamp print date of last modification, then exit + -v, --version print version number, then exit + +Report bugs and patches to ." + +version="\ +GNU config.sub ($timestamp) + +Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, +2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc. + +This is free software; see the source for copying conditions. There is NO +warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." + +help=" +Try \`$me --help' for more information." + +# Parse command line +while test $# -gt 0 ; do + case $1 in + --time-stamp | --time* | -t ) + echo "$timestamp" ; exit ;; + --version | -v ) + echo "$version" ; exit ;; + --help | --h* | -h ) + echo "$usage"; exit ;; + -- ) # Stop option processing + shift; break ;; + - ) # Use stdin as input. + break ;; + -* ) + echo "$me: invalid option $1$help" + exit 1 ;; + + *local*) + # First pass through any local machine types. + echo $1 + exit ;; + + * ) + break ;; + esac +done + +case $# in + 0) echo "$me: missing argument$help" >&2 + exit 1;; + 1) ;; + *) echo "$me: too many arguments$help" >&2 + exit 1;; +esac + +# Separate what the user gave into CPU-COMPANY and OS or KERNEL-OS (if any). +# Here we must recognize all the valid KERNEL-OS combinations. +maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'` +case $maybe_os in + nto-qnx* | linux-gnu* | linux-dietlibc | linux-newlib* | linux-uclibc* | \ + uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | knetbsd*-gnu* | netbsd*-gnu* | \ + kopensolaris*-gnu* | \ + storm-chaos* | os2-emx* | rtmk-nova*) + os=-$maybe_os + basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'` + ;; + *) + basic_machine=`echo $1 | sed 's/-[^-]*$//'` + if [ $basic_machine != $1 ] + then os=`echo $1 | sed 's/.*-/-/'` + else os=; fi + ;; +esac + +### Let's recognize common machines as not being operating systems so +### that things like config.sub decstation-3100 work. We also +### recognize some manufacturers as not being operating systems, so we +### can provide default operating systems below. +case $os in + -sun*os*) + # Prevent following clause from handling this invalid input. + ;; + -dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \ + -att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \ + -unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \ + -convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\ + -c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \ + -harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \ + -apple | -axis | -knuth | -cray | -microblaze) + os= + basic_machine=$1 + ;; + -bluegene*) + os=-cnk + ;; + -sim | -cisco | -oki | -wec | -winbond) + os= + basic_machine=$1 + ;; + -scout) + ;; + -wrs) + os=-vxworks + basic_machine=$1 + ;; + -chorusos*) + os=-chorusos + basic_machine=$1 + ;; + -chorusrdb) + os=-chorusrdb + basic_machine=$1 + ;; + -hiux*) + os=-hiuxwe2 + ;; + -sco6) + os=-sco5v6 + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco5) + os=-sco3.2v5 + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco4) + os=-sco3.2v4 + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco3.2.[4-9]*) + os=`echo $os | sed -e 's/sco3.2./sco3.2v/'` + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco3.2v[4-9]*) + # Don't forget version if it is 3.2v4 or newer. + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco5v6*) + # Don't forget version if it is 3.2v4 or newer. + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco*) + os=-sco3.2v2 + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -udk*) + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -isc) + os=-isc2.2 + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -clix*) + basic_machine=clipper-intergraph + ;; + -isc*) + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -lynx*) + os=-lynxos + ;; + -ptx*) + basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'` + ;; + -windowsnt*) + os=`echo $os | sed -e 's/windowsnt/winnt/'` + ;; + -psos*) + os=-psos + ;; + -mint | -mint[0-9]*) + basic_machine=m68k-atari + os=-mint + ;; +esac + +# Decode aliases for certain CPU-COMPANY combinations. +case $basic_machine in + # Recognize the basic CPU types without company name. + # Some are omitted here because they have special meanings below. + 1750a | 580 \ + | a29k \ + | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \ + | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \ + | am33_2.0 \ + | arc | arm | arm[bl]e | arme[lb] | armv[2345] | armv[345][lb] | avr | avr32 \ + | bfin \ + | c4x | clipper \ + | d10v | d30v | dlx | dsp16xx \ + | fido | fr30 | frv \ + | h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \ + | i370 | i860 | i960 | ia64 \ + | ip2k | iq2000 \ + | lm32 \ + | m32c | m32r | m32rle | m68000 | m68k | m88k \ + | maxq | mb | microblaze | mcore | mep | metag \ + | mips | mipsbe | mipseb | mipsel | mipsle \ + | mips16 \ + | mips64 | mips64el \ + | mips64octeon | mips64octeonel \ + | mips64orion | mips64orionel \ + | mips64r5900 | mips64r5900el \ + | mips64vr | mips64vrel \ + | mips64vr4100 | mips64vr4100el \ + | mips64vr4300 | mips64vr4300el \ + | mips64vr5000 | mips64vr5000el \ + | mips64vr5900 | mips64vr5900el \ + | mipsisa32 | mipsisa32el \ + | mipsisa32r2 | mipsisa32r2el \ + | mipsisa64 | mipsisa64el \ + | mipsisa64r2 | mipsisa64r2el \ + | mipsisa64sb1 | mipsisa64sb1el \ + | mipsisa64sr71k | mipsisa64sr71kel \ + | mipstx39 | mipstx39el \ + | mn10200 | mn10300 \ + | moxie \ + | mt \ + | msp430 \ + | nios | nios2 \ + | ns16k | ns32k \ + | or32 \ + | pdp10 | pdp11 | pj | pjl \ + | powerpc | powerpc64 | powerpc64le | powerpcle | ppcbe \ + | pyramid \ + | rx \ + | score \ + | sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[34]eb | sheb | shbe | shle | sh[1234]le | sh3ele \ + | sh64 | sh64le \ + | sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \ + | sparcv8 | sparcv9 | sparcv9b | sparcv9v \ + | spu | strongarm \ + | tahoe | thumb | tic4x | tic80 | tron \ + | ubicom32 \ + | v850 | v850e \ + | we32k \ + | x86 | xc16x | xscale | xscalee[bl] | xstormy16 | xtensa \ + | z8k | z80) + basic_machine=$basic_machine-unknown + ;; + m6811 | m68hc11 | m6812 | m68hc12 | picochip) + # Motorola 68HC11/12. + basic_machine=$basic_machine-unknown + os=-none + ;; + m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65 | z8k) + ;; + ms1) + basic_machine=mt-unknown + ;; + + # We use `pc' rather than `unknown' + # because (1) that's what they normally are, and + # (2) the word "unknown" tends to confuse beginning users. + i*86 | x86_64) + basic_machine=$basic_machine-pc + ;; + # Object if more than one company name word. + *-*-*) + echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2 + exit 1 + ;; + # Recognize the basic CPU types with company name. + 580-* \ + | a29k-* \ + | alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \ + | alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \ + | alphapca5[67]-* | alpha64pca5[67]-* | arc-* \ + | arm-* | armbe-* | armle-* | armeb-* | armv*-* \ + | avr-* | avr32-* \ + | bfin-* | bs2000-* \ + | c[123]* | c30-* | [cjt]90-* | c4x-* | c54x-* | c55x-* | c6x-* \ + | clipper-* | craynv-* | cydra-* \ + | d10v-* | d30v-* | dlx-* \ + | elxsi-* \ + | f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \ + | h8300-* | h8500-* \ + | hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \ + | i*86-* | i860-* | i960-* | ia64-* \ + | ip2k-* | iq2000-* \ + | lm32-* \ + | m32c-* | m32r-* | m32rle-* \ + | m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \ + | m88110-* | m88k-* | maxq-* | mcore-* | metag-* | microblaze-* \ + | mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \ + | mips16-* \ + | mips64-* | mips64el-* \ + | mips64octeon-* | mips64octeonel-* \ + | mips64orion-* | mips64orionel-* \ + | mips64r5900-* | mips64r5900el-* \ + | mips64vr-* | mips64vrel-* \ + | mips64vr4100-* | mips64vr4100el-* \ + | mips64vr4300-* | mips64vr4300el-* \ + | mips64vr5000-* | mips64vr5000el-* \ + | mips64vr5900-* | mips64vr5900el-* \ + | mipsisa32-* | mipsisa32el-* \ + | mipsisa32r2-* | mipsisa32r2el-* \ + | mipsisa64-* | mipsisa64el-* \ + | mipsisa64r2-* | mipsisa64r2el-* \ + | mipsisa64sb1-* | mipsisa64sb1el-* \ + | mipsisa64sr71k-* | mipsisa64sr71kel-* \ + | mipstx39-* | mipstx39el-* \ + | mmix-* \ + | mt-* \ + | msp430-* \ + | nios-* | nios2-* \ + | none-* | np1-* | ns16k-* | ns32k-* \ + | orion-* \ + | pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \ + | powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* | ppcbe-* \ + | pyramid-* \ + | romp-* | rs6000-* | rx-* \ + | sh-* | sh[1234]-* | sh[24]a-* | sh[24]aeb-* | sh[23]e-* | sh[34]eb-* | sheb-* | shbe-* \ + | shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \ + | sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \ + | sparclite-* \ + | sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | strongarm-* | sv1-* | sx?-* \ + | tahoe-* | thumb-* \ + | tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* | tile-* \ + | tron-* \ + | ubicom32-* \ + | v850-* | v850e-* | vax-* \ + | we32k-* \ + | x86-* | x86_64-* | xc16x-* | xps100-* | xscale-* | xscalee[bl]-* \ + | xstormy16-* | xtensa*-* \ + | ymp-* \ + | z8k-* | z80-*) + ;; + # Recognize the basic CPU types without company name, with glob match. + xtensa*) + basic_machine=$basic_machine-unknown + ;; + # Recognize the various machine names and aliases which stand + # for a CPU type and a company and sometimes even an OS. + 386bsd) + basic_machine=i386-unknown + os=-bsd + ;; + 3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc) + basic_machine=m68000-att + ;; + 3b*) + basic_machine=we32k-att + ;; + a29khif) + basic_machine=a29k-amd + os=-udi + ;; + abacus) + basic_machine=abacus-unknown + ;; + adobe68k) + basic_machine=m68010-adobe + os=-scout + ;; + alliant | fx80) + basic_machine=fx80-alliant + ;; + altos | altos3068) + basic_machine=m68k-altos + ;; + am29k) + basic_machine=a29k-none + os=-bsd + ;; + amd64) + basic_machine=x86_64-pc + ;; + amd64-*) + basic_machine=x86_64-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + amdahl) + basic_machine=580-amdahl + os=-sysv + ;; + amiga | amiga-*) + basic_machine=m68k-unknown + ;; + amigaos | amigados) + basic_machine=m68k-unknown + os=-amigaos + ;; + amigaunix | amix) + basic_machine=m68k-unknown + os=-sysv4 + ;; + apollo68) + basic_machine=m68k-apollo + os=-sysv + ;; + apollo68bsd) + basic_machine=m68k-apollo + os=-bsd + ;; + aros) + basic_machine=i386-pc + os=-aros + ;; + aux) + basic_machine=m68k-apple + os=-aux + ;; + balance) + basic_machine=ns32k-sequent + os=-dynix + ;; + blackfin) + basic_machine=bfin-unknown + os=-linux + ;; + blackfin-*) + basic_machine=bfin-`echo $basic_machine | sed 's/^[^-]*-//'` + os=-linux + ;; + bluegene*) + basic_machine=powerpc-ibm + os=-cnk + ;; + c90) + basic_machine=c90-cray + os=-unicos + ;; + cegcc) + basic_machine=arm-unknown + os=-cegcc + ;; + convex-c1) + basic_machine=c1-convex + os=-bsd + ;; + convex-c2) + basic_machine=c2-convex + os=-bsd + ;; + convex-c32) + basic_machine=c32-convex + os=-bsd + ;; + convex-c34) + basic_machine=c34-convex + os=-bsd + ;; + convex-c38) + basic_machine=c38-convex + os=-bsd + ;; + cray | j90) + basic_machine=j90-cray + os=-unicos + ;; + craynv) + basic_machine=craynv-cray + os=-unicosmp + ;; + cr16) + basic_machine=cr16-unknown + os=-elf + ;; + crds | unos) + basic_machine=m68k-crds + ;; + crisv32 | crisv32-* | etraxfs*) + basic_machine=crisv32-axis + ;; + cris | cris-* | etrax*) + basic_machine=cris-axis + ;; + crx) + basic_machine=crx-unknown + os=-elf + ;; + da30 | da30-*) + basic_machine=m68k-da30 + ;; + decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn) + basic_machine=mips-dec + ;; + decsystem10* | dec10*) + basic_machine=pdp10-dec + os=-tops10 + ;; + decsystem20* | dec20*) + basic_machine=pdp10-dec + os=-tops20 + ;; + delta | 3300 | motorola-3300 | motorola-delta \ + | 3300-motorola | delta-motorola) + basic_machine=m68k-motorola + ;; + delta88) + basic_machine=m88k-motorola + os=-sysv3 + ;; + dicos) + basic_machine=i686-pc + os=-dicos + ;; + djgpp) + basic_machine=i586-pc + os=-msdosdjgpp + ;; + dpx20 | dpx20-*) + basic_machine=rs6000-bull + os=-bosx + ;; + dpx2* | dpx2*-bull) + basic_machine=m68k-bull + os=-sysv3 + ;; + ebmon29k) + basic_machine=a29k-amd + os=-ebmon + ;; + elxsi) + basic_machine=elxsi-elxsi + os=-bsd + ;; + encore | umax | mmax) + basic_machine=ns32k-encore + ;; + es1800 | OSE68k | ose68k | ose | OSE) + basic_machine=m68k-ericsson + os=-ose + ;; + fx2800) + basic_machine=i860-alliant + ;; + genix) + basic_machine=ns32k-ns + ;; + gmicro) + basic_machine=tron-gmicro + os=-sysv + ;; + go32) + basic_machine=i386-pc + os=-go32 + ;; + h3050r* | hiux*) + basic_machine=hppa1.1-hitachi + os=-hiuxwe2 + ;; + h8300hms) + basic_machine=h8300-hitachi + os=-hms + ;; + h8300xray) + basic_machine=h8300-hitachi + os=-xray + ;; + h8500hms) + basic_machine=h8500-hitachi + os=-hms + ;; + harris) + basic_machine=m88k-harris + os=-sysv3 + ;; + hp300-*) + basic_machine=m68k-hp + ;; + hp300bsd) + basic_machine=m68k-hp + os=-bsd + ;; + hp300hpux) + basic_machine=m68k-hp + os=-hpux + ;; + hp3k9[0-9][0-9] | hp9[0-9][0-9]) + basic_machine=hppa1.0-hp + ;; + hp9k2[0-9][0-9] | hp9k31[0-9]) + basic_machine=m68000-hp + ;; + hp9k3[2-9][0-9]) + basic_machine=m68k-hp + ;; + hp9k6[0-9][0-9] | hp6[0-9][0-9]) + basic_machine=hppa1.0-hp + ;; + hp9k7[0-79][0-9] | hp7[0-79][0-9]) + basic_machine=hppa1.1-hp + ;; + hp9k78[0-9] | hp78[0-9]) + # FIXME: really hppa2.0-hp + basic_machine=hppa1.1-hp + ;; + hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893) + # FIXME: really hppa2.0-hp + basic_machine=hppa1.1-hp + ;; + hp9k8[0-9][13679] | hp8[0-9][13679]) + basic_machine=hppa1.1-hp + ;; + hp9k8[0-9][0-9] | hp8[0-9][0-9]) + basic_machine=hppa1.0-hp + ;; + hppa-next) + os=-nextstep3 + ;; + hppaosf) + basic_machine=hppa1.1-hp + os=-osf + ;; + hppro) + basic_machine=hppa1.1-hp + os=-proelf + ;; + i370-ibm* | ibm*) + basic_machine=i370-ibm + ;; +# I'm not sure what "Sysv32" means. Should this be sysv3.2? + i*86v32) + basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` + os=-sysv32 + ;; + i*86v4*) + basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` + os=-sysv4 + ;; + i*86v) + basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` + os=-sysv + ;; + i*86sol2) + basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` + os=-solaris2 + ;; + i386mach) + basic_machine=i386-mach + os=-mach + ;; + i386-vsta | vsta) + basic_machine=i386-unknown + os=-vsta + ;; + iris | iris4d) + basic_machine=mips-sgi + case $os in + -irix*) + ;; + *) + os=-irix4 + ;; + esac + ;; + isi68 | isi) + basic_machine=m68k-isi + os=-sysv + ;; + m68knommu) + basic_machine=m68k-unknown + os=-linux + ;; + m68knommu-*) + basic_machine=m68k-`echo $basic_machine | sed 's/^[^-]*-//'` + os=-linux + ;; + m88k-omron*) + basic_machine=m88k-omron + ;; + magnum | m3230) + basic_machine=mips-mips + os=-sysv + ;; + merlin) + basic_machine=ns32k-utek + os=-sysv + ;; + microblaze) + basic_machine=microblaze-xilinx + ;; + mingw32) + basic_machine=i386-pc + os=-mingw32 + ;; + mingw32ce) + basic_machine=arm-unknown + os=-mingw32ce + ;; + miniframe) + basic_machine=m68000-convergent + ;; + *mint | -mint[0-9]* | *MiNT | *MiNT[0-9]*) + basic_machine=m68k-atari + os=-mint + ;; + mips3*-*) + basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'` + ;; + mips3*) + basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown + ;; + monitor) + basic_machine=m68k-rom68k + os=-coff + ;; + morphos) + basic_machine=powerpc-unknown + os=-morphos + ;; + msdos) + basic_machine=i386-pc + os=-msdos + ;; + ms1-*) + basic_machine=`echo $basic_machine | sed -e 's/ms1-/mt-/'` + ;; + mvs) + basic_machine=i370-ibm + os=-mvs + ;; + ncr3000) + basic_machine=i486-ncr + os=-sysv4 + ;; + netbsd386) + basic_machine=i386-unknown + os=-netbsd + ;; + netwinder) + basic_machine=armv4l-rebel + os=-linux + ;; + news | news700 | news800 | news900) + basic_machine=m68k-sony + os=-newsos + ;; + news1000) + basic_machine=m68030-sony + os=-newsos + ;; + news-3600 | risc-news) + basic_machine=mips-sony + os=-newsos + ;; + necv70) + basic_machine=v70-nec + os=-sysv + ;; + next | m*-next ) + basic_machine=m68k-next + case $os in + -nextstep* ) + ;; + -ns2*) + os=-nextstep2 + ;; + *) + os=-nextstep3 + ;; + esac + ;; + nh3000) + basic_machine=m68k-harris + os=-cxux + ;; + nh[45]000) + basic_machine=m88k-harris + os=-cxux + ;; + nindy960) + basic_machine=i960-intel + os=-nindy + ;; + mon960) + basic_machine=i960-intel + os=-mon960 + ;; + nonstopux) + basic_machine=mips-compaq + os=-nonstopux + ;; + np1) + basic_machine=np1-gould + ;; + nsr-tandem) + basic_machine=nsr-tandem + ;; + op50n-* | op60c-*) + basic_machine=hppa1.1-oki + os=-proelf + ;; + openrisc | openrisc-*) + basic_machine=or32-unknown + ;; + os400) + basic_machine=powerpc-ibm + os=-os400 + ;; + OSE68000 | ose68000) + basic_machine=m68000-ericsson + os=-ose + ;; + os68k) + basic_machine=m68k-none + os=-os68k + ;; + pa-hitachi) + basic_machine=hppa1.1-hitachi + os=-hiuxwe2 + ;; + paragon) + basic_machine=i860-intel + os=-osf + ;; + parisc) + basic_machine=hppa-unknown + os=-linux + ;; + parisc-*) + basic_machine=hppa-`echo $basic_machine | sed 's/^[^-]*-//'` + os=-linux + ;; + pbd) + basic_machine=sparc-tti + ;; + pbb) + basic_machine=m68k-tti + ;; + pc532 | pc532-*) + basic_machine=ns32k-pc532 + ;; + pc98) + basic_machine=i386-pc + ;; + pc98-*) + basic_machine=i386-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + pentium | p5 | k5 | k6 | nexgen | viac3) + basic_machine=i586-pc + ;; + pentiumpro | p6 | 6x86 | athlon | athlon_*) + basic_machine=i686-pc + ;; + pentiumii | pentium2 | pentiumiii | pentium3) + basic_machine=i686-pc + ;; + pentium4) + basic_machine=i786-pc + ;; + pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*) + basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + pentiumpro-* | p6-* | 6x86-* | athlon-*) + basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*) + basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + pentium4-*) + basic_machine=i786-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + pn) + basic_machine=pn-gould + ;; + power) basic_machine=power-ibm + ;; + ppc) basic_machine=powerpc-unknown + ;; + ppc-*) basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + ppcle | powerpclittle | ppc-le | powerpc-little) + basic_machine=powerpcle-unknown + ;; + ppcle-* | powerpclittle-*) + basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + ppc64) basic_machine=powerpc64-unknown + ;; + ppc64-*) basic_machine=powerpc64-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + ppc64le | powerpc64little | ppc64-le | powerpc64-little) + basic_machine=powerpc64le-unknown + ;; + ppc64le-* | powerpc64little-*) + basic_machine=powerpc64le-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + ps2) + basic_machine=i386-ibm + ;; + pw32) + basic_machine=i586-unknown + os=-pw32 + ;; + rdos) + basic_machine=i386-pc + os=-rdos + ;; + rom68k) + basic_machine=m68k-rom68k + os=-coff + ;; + rm[46]00) + basic_machine=mips-siemens + ;; + rtpc | rtpc-*) + basic_machine=romp-ibm + ;; + s390 | s390-*) + basic_machine=s390-ibm + ;; + s390x | s390x-*) + basic_machine=s390x-ibm + ;; + sa29200) + basic_machine=a29k-amd + os=-udi + ;; + sb1) + basic_machine=mipsisa64sb1-unknown + ;; + sb1el) + basic_machine=mipsisa64sb1el-unknown + ;; + sde) + basic_machine=mipsisa32-sde + os=-elf + ;; + sei) + basic_machine=mips-sei + os=-seiux + ;; + sequent) + basic_machine=i386-sequent + ;; + sh) + basic_machine=sh-hitachi + os=-hms + ;; + sh5el) + basic_machine=sh5le-unknown + ;; + sh64) + basic_machine=sh64-unknown + ;; + sparclite-wrs | simso-wrs) + basic_machine=sparclite-wrs + os=-vxworks + ;; + sps7) + basic_machine=m68k-bull + os=-sysv2 + ;; + spur) + basic_machine=spur-unknown + ;; + st2000) + basic_machine=m68k-tandem + ;; + stratus) + basic_machine=i860-stratus + os=-sysv4 + ;; + sun2) + basic_machine=m68000-sun + ;; + sun2os3) + basic_machine=m68000-sun + os=-sunos3 + ;; + sun2os4) + basic_machine=m68000-sun + os=-sunos4 + ;; + sun3os3) + basic_machine=m68k-sun + os=-sunos3 + ;; + sun3os4) + basic_machine=m68k-sun + os=-sunos4 + ;; + sun4os3) + basic_machine=sparc-sun + os=-sunos3 + ;; + sun4os4) + basic_machine=sparc-sun + os=-sunos4 + ;; + sun4sol2) + basic_machine=sparc-sun + os=-solaris2 + ;; + sun3 | sun3-*) + basic_machine=m68k-sun + ;; + sun4) + basic_machine=sparc-sun + ;; + sun386 | sun386i | roadrunner) + basic_machine=i386-sun + ;; + sv1) + basic_machine=sv1-cray + os=-unicos + ;; + symmetry) + basic_machine=i386-sequent + os=-dynix + ;; + t3e) + basic_machine=alphaev5-cray + os=-unicos + ;; + t90) + basic_machine=t90-cray + os=-unicos + ;; + tic54x | c54x*) + basic_machine=tic54x-unknown + os=-coff + ;; + tic55x | c55x*) + basic_machine=tic55x-unknown + os=-coff + ;; + tic6x | c6x*) + basic_machine=tic6x-unknown + os=-coff + ;; + tile*) + basic_machine=tile-unknown + os=-linux-gnu + ;; + tx39) + basic_machine=mipstx39-unknown + ;; + tx39el) + basic_machine=mipstx39el-unknown + ;; + toad1) + basic_machine=pdp10-xkl + os=-tops20 + ;; + tower | tower-32) + basic_machine=m68k-ncr + ;; + tpf) + basic_machine=s390x-ibm + os=-tpf + ;; + udi29k) + basic_machine=a29k-amd + os=-udi + ;; + ultra3) + basic_machine=a29k-nyu + os=-sym1 + ;; + v810 | necv810) + basic_machine=v810-nec + os=-none + ;; + vaxv) + basic_machine=vax-dec + os=-sysv + ;; + vms) + basic_machine=vax-dec + os=-vms + ;; + vpp*|vx|vx-*) + basic_machine=f301-fujitsu + ;; + vxworks960) + basic_machine=i960-wrs + os=-vxworks + ;; + vxworks68) + basic_machine=m68k-wrs + os=-vxworks + ;; + vxworks29k) + basic_machine=a29k-wrs + os=-vxworks + ;; + w65*) + basic_machine=w65-wdc + os=-none + ;; + w89k-*) + basic_machine=hppa1.1-winbond + os=-proelf + ;; + xbox) + basic_machine=i686-pc + os=-mingw32 + ;; + xps | xps100) + basic_machine=xps100-honeywell + ;; + ymp) + basic_machine=ymp-cray + os=-unicos + ;; + z8k-*-coff) + basic_machine=z8k-unknown + os=-sim + ;; + z80-*-coff) + basic_machine=z80-unknown + os=-sim + ;; + none) + basic_machine=none-none + os=-none + ;; + +# Here we handle the default manufacturer of certain CPU types. It is in +# some cases the only manufacturer, in others, it is the most popular. + w89k) + basic_machine=hppa1.1-winbond + ;; + op50n) + basic_machine=hppa1.1-oki + ;; + op60c) + basic_machine=hppa1.1-oki + ;; + romp) + basic_machine=romp-ibm + ;; + mmix) + basic_machine=mmix-knuth + ;; + rs6000) + basic_machine=rs6000-ibm + ;; + vax) + basic_machine=vax-dec + ;; + pdp10) + # there are many clones, so DEC is not a safe bet + basic_machine=pdp10-unknown + ;; + pdp11) + basic_machine=pdp11-dec + ;; + we32k) + basic_machine=we32k-att + ;; + sh[1234] | sh[24]a | sh[24]aeb | sh[34]eb | sh[1234]le | sh[23]ele) + basic_machine=sh-unknown + ;; + sparc | sparcv8 | sparcv9 | sparcv9b | sparcv9v) + basic_machine=sparc-sun + ;; + cydra) + basic_machine=cydra-cydrome + ;; + orion) + basic_machine=orion-highlevel + ;; + orion105) + basic_machine=clipper-highlevel + ;; + mac | mpw | mac-mpw) + basic_machine=m68k-apple + ;; + pmac | pmac-mpw) + basic_machine=powerpc-apple + ;; + *-unknown) + # Make sure to match an already-canonicalized machine name. + ;; + *) + echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2 + exit 1 + ;; +esac + +# Here we canonicalize certain aliases for manufacturers. +case $basic_machine in + *-digital*) + basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'` + ;; + *-commodore*) + basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'` + ;; + *) + ;; +esac + +# Decode manufacturer-specific aliases for certain operating systems. + +if [ x"$os" != x"" ] +then +case $os in + # First match some system type aliases + # that might get confused with valid system types. + # -solaris* is a basic system type, with this one exception. + -auroraux) + os=-auroraux + ;; + -solaris1 | -solaris1.*) + os=`echo $os | sed -e 's|solaris1|sunos4|'` + ;; + -solaris) + os=-solaris2 + ;; + -svr4*) + os=-sysv4 + ;; + -unixware*) + os=-sysv4.2uw + ;; + -gnu/linux*) + os=`echo $os | sed -e 's|gnu/linux|linux-gnu|'` + ;; + # First accept the basic system types. + # The portable systems comes first. + # Each alternative MUST END IN A *, to match a version number. + # -sysv* is not here because it comes later, after sysvr4. + -gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \ + | -*vms* | -sco* | -esix* | -isc* | -aix* | -cnk* | -sunos | -sunos[34]*\ + | -hpux* | -unos* | -osf* | -luna* | -dgux* | -auroraux* | -solaris* \ + | -sym* | -kopensolaris* \ + | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \ + | -aos* | -aros* \ + | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \ + | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \ + | -hiux* | -386bsd* | -knetbsd* | -mirbsd* | -netbsd* \ + | -openbsd* | -solidbsd* \ + | -ekkobsd* | -kfreebsd* | -freebsd* | -riscix* | -lynxos* \ + | -bosx* | -nextstep* | -cxux* | -aout* | -elf* | -oabi* \ + | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \ + | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \ + | -chorusos* | -chorusrdb* | -cegcc* \ + | -cygwin* | -pe* | -psos* | -moss* | -proelf* | -rtems* \ + | -mingw32* | -linux-gnu* | -linux-newlib* | -linux-uclibc* \ + | -uxpv* | -beos* | -mpeix* | -udk* \ + | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \ + | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \ + | -storm-chaos* | -tops10* | -tenex* | -tops20* | -its* \ + | -os2* | -vos* | -palmos* | -uclinux* | -nucleus* \ + | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* \ + | -powermax* | -dnix* | -nx6 | -nx7 | -sei* | -dragonfly* \ + | -skyos* | -haiku* | -rdos* | -toppers* | -drops* | -es*) + # Remember, each alternative MUST END IN *, to match a version number. + ;; + -qnx*) + case $basic_machine in + x86-* | i*86-*) + ;; + *) + os=-nto$os + ;; + esac + ;; + -nto-qnx*) + ;; + -nto*) + os=`echo $os | sed -e 's|nto|nto-qnx|'` + ;; + -sim | -es1800* | -hms* | -xray | -os68k* | -none* | -v88r* \ + | -windows* | -osx | -abug | -netware* | -os9* | -beos* | -haiku* \ + | -macos* | -mpw* | -magic* | -mmixware* | -mon960* | -lnews*) + ;; + -mac*) + os=`echo $os | sed -e 's|mac|macos|'` + ;; + -linux-dietlibc) + os=-linux-dietlibc + ;; + -linux*) + os=`echo $os | sed -e 's|linux|linux-gnu|'` + ;; + -sunos5*) + os=`echo $os | sed -e 's|sunos5|solaris2|'` + ;; + -sunos6*) + os=`echo $os | sed -e 's|sunos6|solaris3|'` + ;; + -opened*) + os=-openedition + ;; + -os400*) + os=-os400 + ;; + -wince*) + os=-wince + ;; + -osfrose*) + os=-osfrose + ;; + -osf*) + os=-osf + ;; + -utek*) + os=-bsd + ;; + -dynix*) + os=-bsd + ;; + -acis*) + os=-aos + ;; + -atheos*) + os=-atheos + ;; + -syllable*) + os=-syllable + ;; + -386bsd) + os=-bsd + ;; + -ctix* | -uts*) + os=-sysv + ;; + -nova*) + os=-rtmk-nova + ;; + -ns2 ) + os=-nextstep2 + ;; + -nsk*) + os=-nsk + ;; + # Preserve the version number of sinix5. + -sinix5.*) + os=`echo $os | sed -e 's|sinix|sysv|'` + ;; + -sinix*) + os=-sysv4 + ;; + -tpf*) + os=-tpf + ;; + -triton*) + os=-sysv3 + ;; + -oss*) + os=-sysv3 + ;; + -svr4) + os=-sysv4 + ;; + -svr3) + os=-sysv3 + ;; + -sysvr4) + os=-sysv4 + ;; + # This must come after -sysvr4. + -sysv*) + ;; + -ose*) + os=-ose + ;; + -es1800*) + os=-ose + ;; + -xenix) + os=-xenix + ;; + -*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*) + os=-mint + ;; + -aros*) + os=-aros + ;; + -kaos*) + os=-kaos + ;; + -zvmoe) + os=-zvmoe + ;; + -dicos*) + os=-dicos + ;; + -none) + ;; + *) + # Get rid of the `-' at the beginning of $os. + os=`echo $os | sed 's/[^-]*-//'` + echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2 + exit 1 + ;; +esac +else + +# Here we handle the default operating systems that come with various machines. +# The value should be what the vendor currently ships out the door with their +# machine or put another way, the most popular os provided with the machine. + +# Note that if you're going to try to match "-MANUFACTURER" here (say, +# "-sun"), then you have to tell the case statement up towards the top +# that MANUFACTURER isn't an operating system. Otherwise, code above +# will signal an error saying that MANUFACTURER isn't an operating +# system, and we'll never get to this point. + +case $basic_machine in + score-*) + os=-elf + ;; + spu-*) + os=-elf + ;; + *-acorn) + os=-riscix1.2 + ;; + arm*-rebel) + os=-linux + ;; + arm*-semi) + os=-aout + ;; + c4x-* | tic4x-*) + os=-coff + ;; + # This must come before the *-dec entry. + pdp10-*) + os=-tops20 + ;; + pdp11-*) + os=-none + ;; + *-dec | vax-*) + os=-ultrix4.2 + ;; + m68*-apollo) + os=-domain + ;; + i386-sun) + os=-sunos4.0.2 + ;; + m68000-sun) + os=-sunos3 + # This also exists in the configure program, but was not the + # default. + # os=-sunos4 + ;; + m68*-cisco) + os=-aout + ;; + mep-*) + os=-elf + ;; + mips*-cisco) + os=-elf + ;; + mips*-*) + os=-elf + ;; + or32-*) + os=-coff + ;; + *-tti) # must be before sparc entry or we get the wrong os. + os=-sysv3 + ;; + sparc-* | *-sun) + os=-sunos4.1.1 + ;; + *-be) + os=-beos + ;; + *-haiku) + os=-haiku + ;; + *-ibm) + os=-aix + ;; + *-knuth) + os=-mmixware + ;; + *-wec) + os=-proelf + ;; + *-winbond) + os=-proelf + ;; + *-oki) + os=-proelf + ;; + *-hp) + os=-hpux + ;; + *-hitachi) + os=-hiux + ;; + i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent) + os=-sysv + ;; + *-cbm) + os=-amigaos + ;; + *-dg) + os=-dgux + ;; + *-dolphin) + os=-sysv3 + ;; + m68k-ccur) + os=-rtu + ;; + m88k-omron*) + os=-luna + ;; + *-next ) + os=-nextstep + ;; + *-sequent) + os=-ptx + ;; + *-crds) + os=-unos + ;; + *-ns) + os=-genix + ;; + i370-*) + os=-mvs + ;; + *-next) + os=-nextstep3 + ;; + *-gould) + os=-sysv + ;; + *-highlevel) + os=-bsd + ;; + *-encore) + os=-bsd + ;; + *-sgi) + os=-irix + ;; + *-siemens) + os=-sysv4 + ;; + *-masscomp) + os=-rtu + ;; + f30[01]-fujitsu | f700-fujitsu) + os=-uxpv + ;; + *-rom68k) + os=-coff + ;; + *-*bug) + os=-coff + ;; + *-apple) + os=-macos + ;; + *-atari*) + os=-mint + ;; + *) + os=-none + ;; +esac +fi + +# Here we handle the case where we know the os, and the CPU type, but not the +# manufacturer. We pick the logical manufacturer. +vendor=unknown +case $basic_machine in + *-unknown) + case $os in + -riscix*) + vendor=acorn + ;; + -sunos*) + vendor=sun + ;; + -cnk*|-aix*) + vendor=ibm + ;; + -beos*) + vendor=be + ;; + -hpux*) + vendor=hp + ;; + -mpeix*) + vendor=hp + ;; + -hiux*) + vendor=hitachi + ;; + -unos*) + vendor=crds + ;; + -dgux*) + vendor=dg + ;; + -luna*) + vendor=omron + ;; + -genix*) + vendor=ns + ;; + -mvs* | -opened*) + vendor=ibm + ;; + -os400*) + vendor=ibm + ;; + -ptx*) + vendor=sequent + ;; + -tpf*) + vendor=ibm + ;; + -vxsim* | -vxworks* | -windiss*) + vendor=wrs + ;; + -aux*) + vendor=apple + ;; + -hms*) + vendor=hitachi + ;; + -mpw* | -macos*) + vendor=apple + ;; + -*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*) + vendor=atari + ;; + -vos*) + vendor=stratus + ;; + esac + basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"` + ;; +esac + +echo $basic_machine$os +exit + +# Local variables: +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "timestamp='" +# time-stamp-format: "%:y-%02m-%02d" +# time-stamp-end: "'" +# End: diff --git a/config/autoconf/depcomp b/config/autoconf/depcomp new file mode 100755 index 0000000..df8eea7 --- /dev/null +++ b/config/autoconf/depcomp @@ -0,0 +1,630 @@ +#! /bin/sh +# depcomp - compile a program generating dependencies as side-effects + +scriptversion=2009-04-28.21; # UTC + +# Copyright (C) 1999, 2000, 2003, 2004, 2005, 2006, 2007, 2009 Free +# Software Foundation, Inc. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + +# Originally written by Alexandre Oliva . + +case $1 in + '') + echo "$0: No command. Try \`$0 --help' for more information." 1>&2 + exit 1; + ;; + -h | --h*) + cat <<\EOF +Usage: depcomp [--help] [--version] PROGRAM [ARGS] + +Run PROGRAMS ARGS to compile a file, generating dependencies +as side-effects. + +Environment variables: + depmode Dependency tracking mode. + source Source file read by `PROGRAMS ARGS'. + object Object file output by `PROGRAMS ARGS'. + DEPDIR directory where to store dependencies. + depfile Dependency file to output. + tmpdepfile Temporary file to use when outputing dependencies. + libtool Whether libtool is used (yes/no). + +Report bugs to . +EOF + exit $? + ;; + -v | --v*) + echo "depcomp $scriptversion" + exit $? + ;; +esac + +if test -z "$depmode" || test -z "$source" || test -z "$object"; then + echo "depcomp: Variables source, object and depmode must be set" 1>&2 + exit 1 +fi + +# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po. +depfile=${depfile-`echo "$object" | + sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`} +tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} + +rm -f "$tmpdepfile" + +# Some modes work just like other modes, but use different flags. We +# parameterize here, but still list the modes in the big case below, +# to make depend.m4 easier to write. Note that we *cannot* use a case +# here, because this file can only contain one case statement. +if test "$depmode" = hp; then + # HP compiler uses -M and no extra arg. + gccflag=-M + depmode=gcc +fi + +if test "$depmode" = dashXmstdout; then + # This is just like dashmstdout with a different argument. + dashmflag=-xM + depmode=dashmstdout +fi + +cygpath_u="cygpath -u -f -" +if test "$depmode" = msvcmsys; then + # This is just like msvisualcpp but w/o cygpath translation. + # Just convert the backslash-escaped backslashes to single forward + # slashes to satisfy depend.m4 + cygpath_u="sed s,\\\\\\\\,/,g" + depmode=msvisualcpp +fi + +case "$depmode" in +gcc3) +## gcc 3 implements dependency tracking that does exactly what +## we want. Yay! Note: for some reason libtool 1.4 doesn't like +## it if -MD -MP comes after the -MF stuff. Hmm. +## Unfortunately, FreeBSD c89 acceptance of flags depends upon +## the command line argument order; so add the flags where they +## appear in depend2.am. Note that the slowdown incurred here +## affects only configure: in makefiles, %FASTDEP% shortcuts this. + for arg + do + case $arg in + -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;; + *) set fnord "$@" "$arg" ;; + esac + shift # fnord + shift # $arg + done + "$@" + stat=$? + if test $stat -eq 0; then : + else + rm -f "$tmpdepfile" + exit $stat + fi + mv "$tmpdepfile" "$depfile" + ;; + +gcc) +## There are various ways to get dependency output from gcc. Here's +## why we pick this rather obscure method: +## - Don't want to use -MD because we'd like the dependencies to end +## up in a subdir. Having to rename by hand is ugly. +## (We might end up doing this anyway to support other compilers.) +## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like +## -MM, not -M (despite what the docs say). +## - Using -M directly means running the compiler twice (even worse +## than renaming). + if test -z "$gccflag"; then + gccflag=-MD, + fi + "$@" -Wp,"$gccflag$tmpdepfile" + stat=$? + if test $stat -eq 0; then : + else + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + echo "$object : \\" > "$depfile" + alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz +## The second -e expression handles DOS-style file names with drive letters. + sed -e 's/^[^:]*: / /' \ + -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" +## This next piece of magic avoids the `deleted header file' problem. +## The problem is that when a header file which appears in a .P file +## is deleted, the dependency causes make to die (because there is +## typically no way to rebuild the header). We avoid this by adding +## dummy dependencies for each header file. Too bad gcc doesn't do +## this for us directly. + tr ' ' ' +' < "$tmpdepfile" | +## Some versions of gcc put a space before the `:'. On the theory +## that the space means something, we add a space to the output as +## well. +## Some versions of the HPUX 10.20 sed can't process this invocation +## correctly. Breaking it into two sed invocations is a workaround. + sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +hp) + # This case exists only to let depend.m4 do its work. It works by + # looking at the text of this script. This case will never be run, + # since it is checked for above. + exit 1 + ;; + +sgi) + if test "$libtool" = yes; then + "$@" "-Wp,-MDupdate,$tmpdepfile" + else + "$@" -MDupdate "$tmpdepfile" + fi + stat=$? + if test $stat -eq 0; then : + else + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + + if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files + echo "$object : \\" > "$depfile" + + # Clip off the initial element (the dependent). Don't try to be + # clever and replace this with sed code, as IRIX sed won't handle + # lines with more than a fixed number of characters (4096 in + # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines; + # the IRIX cc adds comments like `#:fec' to the end of the + # dependency line. + tr ' ' ' +' < "$tmpdepfile" \ + | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \ + tr ' +' ' ' >> "$depfile" + echo >> "$depfile" + + # The second pass generates a dummy entry for each header file. + tr ' ' ' +' < "$tmpdepfile" \ + | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \ + >> "$depfile" + else + # The sourcefile does not contain any dependencies, so just + # store a dummy comment line, to avoid errors with the Makefile + # "include basename.Plo" scheme. + echo "#dummy" > "$depfile" + fi + rm -f "$tmpdepfile" + ;; + +aix) + # The C for AIX Compiler uses -M and outputs the dependencies + # in a .u file. In older versions, this file always lives in the + # current directory. Also, the AIX compiler puts `$object:' at the + # start of each line; $object doesn't have directory information. + # Version 6 uses the directory in both cases. + dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` + test "x$dir" = "x$object" && dir= + base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'` + if test "$libtool" = yes; then + tmpdepfile1=$dir$base.u + tmpdepfile2=$base.u + tmpdepfile3=$dir.libs/$base.u + "$@" -Wc,-M + else + tmpdepfile1=$dir$base.u + tmpdepfile2=$dir$base.u + tmpdepfile3=$dir$base.u + "$@" -M + fi + stat=$? + + if test $stat -eq 0; then : + else + rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" + exit $stat + fi + + for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" + do + test -f "$tmpdepfile" && break + done + if test -f "$tmpdepfile"; then + # Each line is of the form `foo.o: dependent.h'. + # Do two passes, one to just change these to + # `$object: dependent.h' and one to simply `dependent.h:'. + sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile" + # That's a tab and a space in the []. + sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile" + else + # The sourcefile does not contain any dependencies, so just + # store a dummy comment line, to avoid errors with the Makefile + # "include basename.Plo" scheme. + echo "#dummy" > "$depfile" + fi + rm -f "$tmpdepfile" + ;; + +icc) + # Intel's C compiler understands `-MD -MF file'. However on + # icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c + # ICC 7.0 will fill foo.d with something like + # foo.o: sub/foo.c + # foo.o: sub/foo.h + # which is wrong. We want: + # sub/foo.o: sub/foo.c + # sub/foo.o: sub/foo.h + # sub/foo.c: + # sub/foo.h: + # ICC 7.1 will output + # foo.o: sub/foo.c sub/foo.h + # and will wrap long lines using \ : + # foo.o: sub/foo.c ... \ + # sub/foo.h ... \ + # ... + + "$@" -MD -MF "$tmpdepfile" + stat=$? + if test $stat -eq 0; then : + else + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + # Each line is of the form `foo.o: dependent.h', + # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'. + # Do two passes, one to just change these to + # `$object: dependent.h' and one to simply `dependent.h:'. + sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile" + # Some versions of the HPUX 10.20 sed can't process this invocation + # correctly. Breaking it into two sed invocations is a workaround. + sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" | + sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +hp2) + # The "hp" stanza above does not work with aCC (C++) and HP's ia64 + # compilers, which have integrated preprocessors. The correct option + # to use with these is +Maked; it writes dependencies to a file named + # 'foo.d', which lands next to the object file, wherever that + # happens to be. + # Much of this is similar to the tru64 case; see comments there. + dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` + test "x$dir" = "x$object" && dir= + base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'` + if test "$libtool" = yes; then + tmpdepfile1=$dir$base.d + tmpdepfile2=$dir.libs/$base.d + "$@" -Wc,+Maked + else + tmpdepfile1=$dir$base.d + tmpdepfile2=$dir$base.d + "$@" +Maked + fi + stat=$? + if test $stat -eq 0; then : + else + rm -f "$tmpdepfile1" "$tmpdepfile2" + exit $stat + fi + + for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" + do + test -f "$tmpdepfile" && break + done + if test -f "$tmpdepfile"; then + sed -e "s,^.*\.[a-z]*:,$object:," "$tmpdepfile" > "$depfile" + # Add `dependent.h:' lines. + sed -ne '2,${ + s/^ *// + s/ \\*$// + s/$/:/ + p + }' "$tmpdepfile" >> "$depfile" + else + echo "#dummy" > "$depfile" + fi + rm -f "$tmpdepfile" "$tmpdepfile2" + ;; + +tru64) + # The Tru64 compiler uses -MD to generate dependencies as a side + # effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'. + # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put + # dependencies in `foo.d' instead, so we check for that too. + # Subdirectories are respected. + dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` + test "x$dir" = "x$object" && dir= + base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'` + + if test "$libtool" = yes; then + # With Tru64 cc, shared objects can also be used to make a + # static library. This mechanism is used in libtool 1.4 series to + # handle both shared and static libraries in a single compilation. + # With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d. + # + # With libtool 1.5 this exception was removed, and libtool now + # generates 2 separate objects for the 2 libraries. These two + # compilations output dependencies in $dir.libs/$base.o.d and + # in $dir$base.o.d. We have to check for both files, because + # one of the two compilations can be disabled. We should prefer + # $dir$base.o.d over $dir.libs/$base.o.d because the latter is + # automatically cleaned when .libs/ is deleted, while ignoring + # the former would cause a distcleancheck panic. + tmpdepfile1=$dir.libs/$base.lo.d # libtool 1.4 + tmpdepfile2=$dir$base.o.d # libtool 1.5 + tmpdepfile3=$dir.libs/$base.o.d # libtool 1.5 + tmpdepfile4=$dir.libs/$base.d # Compaq CCC V6.2-504 + "$@" -Wc,-MD + else + tmpdepfile1=$dir$base.o.d + tmpdepfile2=$dir$base.d + tmpdepfile3=$dir$base.d + tmpdepfile4=$dir$base.d + "$@" -MD + fi + + stat=$? + if test $stat -eq 0; then : + else + rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4" + exit $stat + fi + + for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4" + do + test -f "$tmpdepfile" && break + done + if test -f "$tmpdepfile"; then + sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile" + # That's a tab and a space in the []. + sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile" + else + echo "#dummy" > "$depfile" + fi + rm -f "$tmpdepfile" + ;; + +#nosideeffect) + # This comment above is used by automake to tell side-effect + # dependency tracking mechanisms from slower ones. + +dashmstdout) + # Important note: in order to support this mode, a compiler *must* + # always write the preprocessed file to stdout, regardless of -o. + "$@" || exit $? + + # Remove the call to Libtool. + if test "$libtool" = yes; then + while test "X$1" != 'X--mode=compile'; do + shift + done + shift + fi + + # Remove `-o $object'. + IFS=" " + for arg + do + case $arg in + -o) + shift + ;; + $object) + shift + ;; + *) + set fnord "$@" "$arg" + shift # fnord + shift # $arg + ;; + esac + done + + test -z "$dashmflag" && dashmflag=-M + # Require at least two characters before searching for `:' + # in the target name. This is to cope with DOS-style filenames: + # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise. + "$@" $dashmflag | + sed 's:^[ ]*[^: ][^:][^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile" + rm -f "$depfile" + cat < "$tmpdepfile" > "$depfile" + tr ' ' ' +' < "$tmpdepfile" | \ +## Some versions of the HPUX 10.20 sed can't process this invocation +## correctly. Breaking it into two sed invocations is a workaround. + sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +dashXmstdout) + # This case only exists to satisfy depend.m4. It is never actually + # run, as this mode is specially recognized in the preamble. + exit 1 + ;; + +makedepend) + "$@" || exit $? + # Remove any Libtool call + if test "$libtool" = yes; then + while test "X$1" != 'X--mode=compile'; do + shift + done + shift + fi + # X makedepend + shift + cleared=no eat=no + for arg + do + case $cleared in + no) + set ""; shift + cleared=yes ;; + esac + if test $eat = yes; then + eat=no + continue + fi + case "$arg" in + -D*|-I*) + set fnord "$@" "$arg"; shift ;; + # Strip any option that makedepend may not understand. Remove + # the object too, otherwise makedepend will parse it as a source file. + -arch) + eat=yes ;; + -*|$object) + ;; + *) + set fnord "$@" "$arg"; shift ;; + esac + done + obj_suffix=`echo "$object" | sed 's/^.*\././'` + touch "$tmpdepfile" + ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@" + rm -f "$depfile" + cat < "$tmpdepfile" > "$depfile" + sed '1,2d' "$tmpdepfile" | tr ' ' ' +' | \ +## Some versions of the HPUX 10.20 sed can't process this invocation +## correctly. Breaking it into two sed invocations is a workaround. + sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" "$tmpdepfile".bak + ;; + +cpp) + # Important note: in order to support this mode, a compiler *must* + # always write the preprocessed file to stdout. + "$@" || exit $? + + # Remove the call to Libtool. + if test "$libtool" = yes; then + while test "X$1" != 'X--mode=compile'; do + shift + done + shift + fi + + # Remove `-o $object'. + IFS=" " + for arg + do + case $arg in + -o) + shift + ;; + $object) + shift + ;; + *) + set fnord "$@" "$arg" + shift # fnord + shift # $arg + ;; + esac + done + + "$@" -E | + sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ + -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' | + sed '$ s: \\$::' > "$tmpdepfile" + rm -f "$depfile" + echo "$object : \\" > "$depfile" + cat < "$tmpdepfile" >> "$depfile" + sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +msvisualcpp) + # Important note: in order to support this mode, a compiler *must* + # always write the preprocessed file to stdout. + "$@" || exit $? + + # Remove the call to Libtool. + if test "$libtool" = yes; then + while test "X$1" != 'X--mode=compile'; do + shift + done + shift + fi + + IFS=" " + for arg + do + case "$arg" in + -o) + shift + ;; + $object) + shift + ;; + "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI") + set fnord "$@" + shift + shift + ;; + *) + set fnord "$@" "$arg" + shift + shift + ;; + esac + done + "$@" -E 2>/dev/null | + sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile" + rm -f "$depfile" + echo "$object : \\" > "$depfile" + sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile" + echo " " >> "$depfile" + sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +msvcmsys) + # This case exists only to let depend.m4 do its work. It works by + # looking at the text of this script. This case will never be run, + # since it is checked for above. + exit 1 + ;; + +none) + exec "$@" + ;; + +*) + echo "Unknown depmode $depmode" 1>&2 + exit 1 + ;; +esac + +exit 0 + +# Local Variables: +# mode: shell-script +# sh-indentation: 2 +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-time-zone: "UTC" +# time-stamp-end: "; # UTC" +# End: diff --git a/config/autoconf/install-sh b/config/autoconf/install-sh new file mode 100755 index 0000000..6781b98 --- /dev/null +++ b/config/autoconf/install-sh @@ -0,0 +1,520 @@ +#!/bin/sh +# install - install a program, script, or datafile + +scriptversion=2009-04-28.21; # UTC + +# This originates from X11R5 (mit/util/scripts/install.sh), which was +# later released in X11R6 (xc/config/util/install.sh) with the +# following copyright and license. +# +# Copyright (C) 1994 X Consortium +# +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to +# deal in the Software without restriction, including without limitation the +# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or +# sell copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- +# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +# +# Except as contained in this notice, the name of the X Consortium shall not +# be used in advertising or otherwise to promote the sale, use or other deal- +# ings in this Software without prior written authorization from the X Consor- +# tium. +# +# +# FSF changes to this file are in the public domain. +# +# Calling this script install-sh is preferred over install.sh, to prevent +# `make' implicit rules from creating a file called install from it +# when there is no Makefile. +# +# This script is compatible with the BSD install script, but was written +# from scratch. + +nl=' +' +IFS=" "" $nl" + +# set DOITPROG to echo to test this script + +# Don't use :- since 4.3BSD and earlier shells don't like it. +doit=${DOITPROG-} +if test -z "$doit"; then + doit_exec=exec +else + doit_exec=$doit +fi + +# Put in absolute file names if you don't have them in your path; +# or use environment vars. + +chgrpprog=${CHGRPPROG-chgrp} +chmodprog=${CHMODPROG-chmod} +chownprog=${CHOWNPROG-chown} +cmpprog=${CMPPROG-cmp} +cpprog=${CPPROG-cp} +mkdirprog=${MKDIRPROG-mkdir} +mvprog=${MVPROG-mv} +rmprog=${RMPROG-rm} +stripprog=${STRIPPROG-strip} + +posix_glob='?' +initialize_posix_glob=' + test "$posix_glob" != "?" || { + if (set -f) 2>/dev/null; then + posix_glob= + else + posix_glob=: + fi + } +' + +posix_mkdir= + +# Desired mode of installed file. +mode=0755 + +chgrpcmd= +chmodcmd=$chmodprog +chowncmd= +mvcmd=$mvprog +rmcmd="$rmprog -f" +stripcmd= + +src= +dst= +dir_arg= +dst_arg= + +copy_on_change=false +no_target_directory= + +usage="\ +Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE + or: $0 [OPTION]... SRCFILES... DIRECTORY + or: $0 [OPTION]... -t DIRECTORY SRCFILES... + or: $0 [OPTION]... -d DIRECTORIES... + +In the 1st form, copy SRCFILE to DSTFILE. +In the 2nd and 3rd, copy all SRCFILES to DIRECTORY. +In the 4th, create DIRECTORIES. + +Options: + --help display this help and exit. + --version display version info and exit. + + -c (ignored) + -C install only if different (preserve the last data modification time) + -d create directories instead of installing files. + -g GROUP $chgrpprog installed files to GROUP. + -m MODE $chmodprog installed files to MODE. + -o USER $chownprog installed files to USER. + -s $stripprog installed files. + -t DIRECTORY install into DIRECTORY. + -T report an error if DSTFILE is a directory. + +Environment variables override the default commands: + CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG + RMPROG STRIPPROG +" + +while test $# -ne 0; do + case $1 in + -c) ;; + + -C) copy_on_change=true;; + + -d) dir_arg=true;; + + -g) chgrpcmd="$chgrpprog $2" + shift;; + + --help) echo "$usage"; exit $?;; + + -m) mode=$2 + case $mode in + *' '* | *' '* | *' +'* | *'*'* | *'?'* | *'['*) + echo "$0: invalid mode: $mode" >&2 + exit 1;; + esac + shift;; + + -o) chowncmd="$chownprog $2" + shift;; + + -s) stripcmd=$stripprog;; + + -t) dst_arg=$2 + shift;; + + -T) no_target_directory=true;; + + --version) echo "$0 $scriptversion"; exit $?;; + + --) shift + break;; + + -*) echo "$0: invalid option: $1" >&2 + exit 1;; + + *) break;; + esac + shift +done + +if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then + # When -d is used, all remaining arguments are directories to create. + # When -t is used, the destination is already specified. + # Otherwise, the last argument is the destination. Remove it from $@. + for arg + do + if test -n "$dst_arg"; then + # $@ is not empty: it contains at least $arg. + set fnord "$@" "$dst_arg" + shift # fnord + fi + shift # arg + dst_arg=$arg + done +fi + +if test $# -eq 0; then + if test -z "$dir_arg"; then + echo "$0: no input file specified." >&2 + exit 1 + fi + # It's OK to call `install-sh -d' without argument. + # This can happen when creating conditional directories. + exit 0 +fi + +if test -z "$dir_arg"; then + trap '(exit $?); exit' 1 2 13 15 + + # Set umask so as not to create temps with too-generous modes. + # However, 'strip' requires both read and write access to temps. + case $mode in + # Optimize common cases. + *644) cp_umask=133;; + *755) cp_umask=22;; + + *[0-7]) + if test -z "$stripcmd"; then + u_plus_rw= + else + u_plus_rw='% 200' + fi + cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;; + *) + if test -z "$stripcmd"; then + u_plus_rw= + else + u_plus_rw=,u+rw + fi + cp_umask=$mode$u_plus_rw;; + esac +fi + +for src +do + # Protect names starting with `-'. + case $src in + -*) src=./$src;; + esac + + if test -n "$dir_arg"; then + dst=$src + dstdir=$dst + test -d "$dstdir" + dstdir_status=$? + else + + # Waiting for this to be detected by the "$cpprog $src $dsttmp" command + # might cause directories to be created, which would be especially bad + # if $src (and thus $dsttmp) contains '*'. + if test ! -f "$src" && test ! -d "$src"; then + echo "$0: $src does not exist." >&2 + exit 1 + fi + + if test -z "$dst_arg"; then + echo "$0: no destination specified." >&2 + exit 1 + fi + + dst=$dst_arg + # Protect names starting with `-'. + case $dst in + -*) dst=./$dst;; + esac + + # If destination is a directory, append the input filename; won't work + # if double slashes aren't ignored. + if test -d "$dst"; then + if test -n "$no_target_directory"; then + echo "$0: $dst_arg: Is a directory" >&2 + exit 1 + fi + dstdir=$dst + dst=$dstdir/`basename "$src"` + dstdir_status=0 + else + # Prefer dirname, but fall back on a substitute if dirname fails. + dstdir=` + (dirname "$dst") 2>/dev/null || + expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$dst" : 'X\(//\)[^/]' \| \ + X"$dst" : 'X\(//\)$' \| \ + X"$dst" : 'X\(/\)' \| . 2>/dev/null || + echo X"$dst" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q' + ` + + test -d "$dstdir" + dstdir_status=$? + fi + fi + + obsolete_mkdir_used=false + + if test $dstdir_status != 0; then + case $posix_mkdir in + '') + # Create intermediate dirs using mode 755 as modified by the umask. + # This is like FreeBSD 'install' as of 1997-10-28. + umask=`umask` + case $stripcmd.$umask in + # Optimize common cases. + *[2367][2367]) mkdir_umask=$umask;; + .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;; + + *[0-7]) + mkdir_umask=`expr $umask + 22 \ + - $umask % 100 % 40 + $umask % 20 \ + - $umask % 10 % 4 + $umask % 2 + `;; + *) mkdir_umask=$umask,go-w;; + esac + + # With -d, create the new directory with the user-specified mode. + # Otherwise, rely on $mkdir_umask. + if test -n "$dir_arg"; then + mkdir_mode=-m$mode + else + mkdir_mode= + fi + + posix_mkdir=false + case $umask in + *[123567][0-7][0-7]) + # POSIX mkdir -p sets u+wx bits regardless of umask, which + # is incompatible with FreeBSD 'install' when (umask & 300) != 0. + ;; + *) + tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$ + trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0 + + if (umask $mkdir_umask && + exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1 + then + if test -z "$dir_arg" || { + # Check for POSIX incompatibilities with -m. + # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or + # other-writeable bit of parent directory when it shouldn't. + # FreeBSD 6.1 mkdir -m -p sets mode of existing directory. + ls_ld_tmpdir=`ls -ld "$tmpdir"` + case $ls_ld_tmpdir in + d????-?r-*) different_mode=700;; + d????-?--*) different_mode=755;; + *) false;; + esac && + $mkdirprog -m$different_mode -p -- "$tmpdir" && { + ls_ld_tmpdir_1=`ls -ld "$tmpdir"` + test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1" + } + } + then posix_mkdir=: + fi + rmdir "$tmpdir/d" "$tmpdir" + else + # Remove any dirs left behind by ancient mkdir implementations. + rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null + fi + trap '' 0;; + esac;; + esac + + if + $posix_mkdir && ( + umask $mkdir_umask && + $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir" + ) + then : + else + + # The umask is ridiculous, or mkdir does not conform to POSIX, + # or it failed possibly due to a race condition. Create the + # directory the slow way, step by step, checking for races as we go. + + case $dstdir in + /*) prefix='/';; + -*) prefix='./';; + *) prefix='';; + esac + + eval "$initialize_posix_glob" + + oIFS=$IFS + IFS=/ + $posix_glob set -f + set fnord $dstdir + shift + $posix_glob set +f + IFS=$oIFS + + prefixes= + + for d + do + test -z "$d" && continue + + prefix=$prefix$d + if test -d "$prefix"; then + prefixes= + else + if $posix_mkdir; then + (umask=$mkdir_umask && + $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break + # Don't fail if two instances are running concurrently. + test -d "$prefix" || exit 1 + else + case $prefix in + *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;; + *) qprefix=$prefix;; + esac + prefixes="$prefixes '$qprefix'" + fi + fi + prefix=$prefix/ + done + + if test -n "$prefixes"; then + # Don't fail if two instances are running concurrently. + (umask $mkdir_umask && + eval "\$doit_exec \$mkdirprog $prefixes") || + test -d "$dstdir" || exit 1 + obsolete_mkdir_used=true + fi + fi + fi + + if test -n "$dir_arg"; then + { test -z "$chowncmd" || $doit $chowncmd "$dst"; } && + { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } && + { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false || + test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1 + else + + # Make a couple of temp file names in the proper directory. + dsttmp=$dstdir/_inst.$$_ + rmtmp=$dstdir/_rm.$$_ + + # Trap to clean up those temp files at exit. + trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0 + + # Copy the file name to the temp name. + (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") && + + # and set any options; do chmod last to preserve setuid bits. + # + # If any of these fail, we abort the whole thing. If we want to + # ignore errors from any of these, just make sure not to ignore + # errors from the above "$doit $cpprog $src $dsttmp" command. + # + { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } && + { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } && + { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } && + { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } && + + # If -C, don't bother to copy if it wouldn't change the file. + if $copy_on_change && + old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` && + new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` && + + eval "$initialize_posix_glob" && + $posix_glob set -f && + set X $old && old=:$2:$4:$5:$6 && + set X $new && new=:$2:$4:$5:$6 && + $posix_glob set +f && + + test "$old" = "$new" && + $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1 + then + rm -f "$dsttmp" + else + # Rename the file to the real destination. + $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null || + + # The rename failed, perhaps because mv can't rename something else + # to itself, or perhaps because mv is so ancient that it does not + # support -f. + { + # Now remove or move aside any old file at destination location. + # We try this two ways since rm can't unlink itself on some + # systems and the destination file might be busy for other + # reasons. In this case, the final cleanup might fail but the new + # file should still install successfully. + { + test ! -f "$dst" || + $doit $rmcmd -f "$dst" 2>/dev/null || + { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null && + { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; } + } || + { echo "$0: cannot unlink or rename $dst" >&2 + (exit 1); exit 1 + } + } && + + # Now rename the file to the real destination. + $doit $mvcmd "$dsttmp" "$dst" + } + fi || exit 1 + + trap '' 0 + fi +done + +# Local variables: +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-time-zone: "UTC" +# time-stamp-end: "; # UTC" +# End: diff --git a/config/autoconf/ltmain.sh b/config/autoconf/ltmain.sh new file mode 100755 index 0000000..78cf017 --- /dev/null +++ b/config/autoconf/ltmain.sh @@ -0,0 +1,9636 @@ + +# libtool (GNU libtool) 2.4 +# Written by Gordon Matzigkeit , 1996 + +# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006, +# 2007, 2008, 2009, 2010 Free Software Foundation, Inc. +# This is free software; see the source for copying conditions. There is NO +# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + +# GNU Libtool is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# As a special exception to the GNU General Public License, +# if you distribute this file as part of a program or library that +# is built using GNU Libtool, you may include this file under the +# same distribution terms that you use for the rest of that program. +# +# GNU Libtool is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with GNU Libtool; see the file COPYING. If not, a copy +# can be downloaded from http://www.gnu.org/licenses/gpl.html, +# or obtained by writing to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + +# Usage: $progname [OPTION]... [MODE-ARG]... +# +# Provide generalized library-building support services. +# +# --config show all configuration variables +# --debug enable verbose shell tracing +# -n, --dry-run display commands without modifying any files +# --features display basic configuration information and exit +# --mode=MODE use operation mode MODE +# --preserve-dup-deps don't remove duplicate dependency libraries +# --quiet, --silent don't print informational messages +# --no-quiet, --no-silent +# print informational messages (default) +# --tag=TAG use configuration variables from tag TAG +# -v, --verbose print more informational messages than default +# --no-verbose don't print the extra informational messages +# --version print version information +# -h, --help, --help-all print short, long, or detailed help message +# +# MODE must be one of the following: +# +# clean remove files from the build directory +# compile compile a source file into a libtool object +# execute automatically set library path, then run a program +# finish complete the installation of libtool libraries +# install install libraries or executables +# link create a library or an executable +# uninstall remove libraries from an installed directory +# +# MODE-ARGS vary depending on the MODE. When passed as first option, +# `--mode=MODE' may be abbreviated as `MODE' or a unique abbreviation of that. +# Try `$progname --help --mode=MODE' for a more detailed description of MODE. +# +# When reporting a bug, please describe a test case to reproduce it and +# include the following information: +# +# host-triplet: $host +# shell: $SHELL +# compiler: $LTCC +# compiler flags: $LTCFLAGS +# linker: $LD (gnu? $with_gnu_ld) +# $progname: (GNU libtool) 2.4 +# automake: $automake_version +# autoconf: $autoconf_version +# +# Report bugs to . +# GNU libtool home page: . +# General help using GNU software: . + +PROGRAM=libtool +PACKAGE=libtool +VERSION=2.4 +TIMESTAMP="" +package_revision=1.3293 + +# Be Bourne compatible +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then + emulate sh + NULLCMD=: + # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in *posix*) set -o posix;; esac +fi +BIN_SH=xpg4; export BIN_SH # for Tru64 +DUALCASE=1; export DUALCASE # for MKS sh + +# A function that is used when there is no print builtin or printf. +func_fallback_echo () +{ + eval 'cat <<_LTECHO_EOF +$1 +_LTECHO_EOF' +} + +# NLS nuisances: We save the old values to restore during execute mode. +lt_user_locale= +lt_safe_locale= +for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES +do + eval "if test \"\${$lt_var+set}\" = set; then + save_$lt_var=\$$lt_var + $lt_var=C + export $lt_var + lt_user_locale=\"$lt_var=\\\$save_\$lt_var; \$lt_user_locale\" + lt_safe_locale=\"$lt_var=C; \$lt_safe_locale\" + fi" +done +LC_ALL=C +LANGUAGE=C +export LANGUAGE LC_ALL + +$lt_unset CDPATH + + +# Work around backward compatibility issue on IRIX 6.5. On IRIX 6.4+, sh +# is ksh but when the shell is invoked as "sh" and the current value of +# the _XPG environment variable is not equal to 1 (one), the special +# positional parameter $0, within a function call, is the name of the +# function. +progpath="$0" + + + +: ${CP="cp -f"} +test "${ECHO+set}" = set || ECHO=${as_echo-'printf %s\n'} +: ${EGREP="/bin/grep -E"} +: ${FGREP="/bin/grep -F"} +: ${GREP="/bin/grep"} +: ${LN_S="ln -s"} +: ${MAKE="make"} +: ${MKDIR="mkdir"} +: ${MV="mv -f"} +: ${RM="rm -f"} +: ${SED="/bin/sed"} +: ${SHELL="${CONFIG_SHELL-/bin/sh}"} +: ${Xsed="$SED -e 1s/^X//"} + +# Global variables: +EXIT_SUCCESS=0 +EXIT_FAILURE=1 +EXIT_MISMATCH=63 # $? = 63 is used to indicate version mismatch to missing. +EXIT_SKIP=77 # $? = 77 is used to indicate a skipped test to automake. + +exit_status=$EXIT_SUCCESS + +# Make sure IFS has a sensible default +lt_nl=' +' +IFS=" $lt_nl" + +dirname="s,/[^/]*$,," +basename="s,^.*/,," + +# func_dirname file append nondir_replacement +# Compute the dirname of FILE. If nonempty, add APPEND to the result, +# otherwise set result to NONDIR_REPLACEMENT. +func_dirname () +{ + func_dirname_result=`$ECHO "${1}" | $SED "$dirname"` + if test "X$func_dirname_result" = "X${1}"; then + func_dirname_result="${3}" + else + func_dirname_result="$func_dirname_result${2}" + fi +} # func_dirname may be replaced by extended shell implementation + + +# func_basename file +func_basename () +{ + func_basename_result=`$ECHO "${1}" | $SED "$basename"` +} # func_basename may be replaced by extended shell implementation + + +# func_dirname_and_basename file append nondir_replacement +# perform func_basename and func_dirname in a single function +# call: +# dirname: Compute the dirname of FILE. If nonempty, +# add APPEND to the result, otherwise set result +# to NONDIR_REPLACEMENT. +# value returned in "$func_dirname_result" +# basename: Compute filename of FILE. +# value retuned in "$func_basename_result" +# Implementation must be kept synchronized with func_dirname +# and func_basename. For efficiency, we do not delegate to +# those functions but instead duplicate the functionality here. +func_dirname_and_basename () +{ + # Extract subdirectory from the argument. + func_dirname_result=`$ECHO "${1}" | $SED -e "$dirname"` + if test "X$func_dirname_result" = "X${1}"; then + func_dirname_result="${3}" + else + func_dirname_result="$func_dirname_result${2}" + fi + func_basename_result=`$ECHO "${1}" | $SED -e "$basename"` +} # func_dirname_and_basename may be replaced by extended shell implementation + + +# func_stripname prefix suffix name +# strip PREFIX and SUFFIX off of NAME. +# PREFIX and SUFFIX must not contain globbing or regex special +# characters, hashes, percent signs, but SUFFIX may contain a leading +# dot (in which case that matches only a dot). +# func_strip_suffix prefix name +func_stripname () +{ + case ${2} in + .*) func_stripname_result=`$ECHO "${3}" | $SED "s%^${1}%%; s%\\\\${2}\$%%"`;; + *) func_stripname_result=`$ECHO "${3}" | $SED "s%^${1}%%; s%${2}\$%%"`;; + esac +} # func_stripname may be replaced by extended shell implementation + + +# These SED scripts presuppose an absolute path with a trailing slash. +pathcar='s,^/\([^/]*\).*$,\1,' +pathcdr='s,^/[^/]*,,' +removedotparts=':dotsl + s@/\./@/@g + t dotsl + s,/\.$,/,' +collapseslashes='s@/\{1,\}@/@g' +finalslash='s,/*$,/,' + +# func_normal_abspath PATH +# Remove doubled-up and trailing slashes, "." path components, +# and cancel out any ".." path components in PATH after making +# it an absolute path. +# value returned in "$func_normal_abspath_result" +func_normal_abspath () +{ + # Start from root dir and reassemble the path. + func_normal_abspath_result= + func_normal_abspath_tpath=$1 + func_normal_abspath_altnamespace= + case $func_normal_abspath_tpath in + "") + # Empty path, that just means $cwd. + func_stripname '' '/' "`pwd`" + func_normal_abspath_result=$func_stripname_result + return + ;; + # The next three entries are used to spot a run of precisely + # two leading slashes without using negated character classes; + # we take advantage of case's first-match behaviour. + ///*) + # Unusual form of absolute path, do nothing. + ;; + //*) + # Not necessarily an ordinary path; POSIX reserves leading '//' + # and for example Cygwin uses it to access remote file shares + # over CIFS/SMB, so we conserve a leading double slash if found. + func_normal_abspath_altnamespace=/ + ;; + /*) + # Absolute path, do nothing. + ;; + *) + # Relative path, prepend $cwd. + func_normal_abspath_tpath=`pwd`/$func_normal_abspath_tpath + ;; + esac + # Cancel out all the simple stuff to save iterations. We also want + # the path to end with a slash for ease of parsing, so make sure + # there is one (and only one) here. + func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \ + -e "$removedotparts" -e "$collapseslashes" -e "$finalslash"` + while :; do + # Processed it all yet? + if test "$func_normal_abspath_tpath" = / ; then + # If we ascended to the root using ".." the result may be empty now. + if test -z "$func_normal_abspath_result" ; then + func_normal_abspath_result=/ + fi + break + fi + func_normal_abspath_tcomponent=`$ECHO "$func_normal_abspath_tpath" | $SED \ + -e "$pathcar"` + func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \ + -e "$pathcdr"` + # Figure out what to do with it + case $func_normal_abspath_tcomponent in + "") + # Trailing empty path component, ignore it. + ;; + ..) + # Parent dir; strip last assembled component from result. + func_dirname "$func_normal_abspath_result" + func_normal_abspath_result=$func_dirname_result + ;; + *) + # Actual path component, append it. + func_normal_abspath_result=$func_normal_abspath_result/$func_normal_abspath_tcomponent + ;; + esac + done + # Restore leading double-slash if one was found on entry. + func_normal_abspath_result=$func_normal_abspath_altnamespace$func_normal_abspath_result +} + +# func_relative_path SRCDIR DSTDIR +# generates a relative path from SRCDIR to DSTDIR, with a trailing +# slash if non-empty, suitable for immediately appending a filename +# without needing to append a separator. +# value returned in "$func_relative_path_result" +func_relative_path () +{ + func_relative_path_result= + func_normal_abspath "$1" + func_relative_path_tlibdir=$func_normal_abspath_result + func_normal_abspath "$2" + func_relative_path_tbindir=$func_normal_abspath_result + + # Ascend the tree starting from libdir + while :; do + # check if we have found a prefix of bindir + case $func_relative_path_tbindir in + $func_relative_path_tlibdir) + # found an exact match + func_relative_path_tcancelled= + break + ;; + $func_relative_path_tlibdir*) + # found a matching prefix + func_stripname "$func_relative_path_tlibdir" '' "$func_relative_path_tbindir" + func_relative_path_tcancelled=$func_stripname_result + if test -z "$func_relative_path_result"; then + func_relative_path_result=. + fi + break + ;; + *) + func_dirname $func_relative_path_tlibdir + func_relative_path_tlibdir=${func_dirname_result} + if test "x$func_relative_path_tlibdir" = x ; then + # Have to descend all the way to the root! + func_relative_path_result=../$func_relative_path_result + func_relative_path_tcancelled=$func_relative_path_tbindir + break + fi + func_relative_path_result=../$func_relative_path_result + ;; + esac + done + + # Now calculate path; take care to avoid doubling-up slashes. + func_stripname '' '/' "$func_relative_path_result" + func_relative_path_result=$func_stripname_result + func_stripname '/' '/' "$func_relative_path_tcancelled" + if test "x$func_stripname_result" != x ; then + func_relative_path_result=${func_relative_path_result}/${func_stripname_result} + fi + + # Normalisation. If bindir is libdir, return empty string, + # else relative path ending with a slash; either way, target + # file name can be directly appended. + if test ! -z "$func_relative_path_result"; then + func_stripname './' '' "$func_relative_path_result/" + func_relative_path_result=$func_stripname_result + fi +} + +# The name of this program: +func_dirname_and_basename "$progpath" +progname=$func_basename_result + +# Make sure we have an absolute path for reexecution: +case $progpath in + [\\/]*|[A-Za-z]:\\*) ;; + *[\\/]*) + progdir=$func_dirname_result + progdir=`cd "$progdir" && pwd` + progpath="$progdir/$progname" + ;; + *) + save_IFS="$IFS" + IFS=: + for progdir in $PATH; do + IFS="$save_IFS" + test -x "$progdir/$progname" && break + done + IFS="$save_IFS" + test -n "$progdir" || progdir=`pwd` + progpath="$progdir/$progname" + ;; +esac + +# Sed substitution that helps us do robust quoting. It backslashifies +# metacharacters that are still active within double-quoted strings. +Xsed="${SED}"' -e 1s/^X//' +sed_quote_subst='s/\([`"$\\]\)/\\\1/g' + +# Same as above, but do not quote variable references. +double_quote_subst='s/\(["`\\]\)/\\\1/g' + +# Sed substitution that turns a string into a regex matching for the +# string literally. +sed_make_literal_regex='s,[].[^$\\*\/],\\&,g' + +# Sed substitution that converts a w32 file name or path +# which contains forward slashes, into one that contains +# (escaped) backslashes. A very naive implementation. +lt_sed_naive_backslashify='s|\\\\*|\\|g;s|/|\\|g;s|\\|\\\\|g' + +# Re-`\' parameter expansions in output of double_quote_subst that were +# `\'-ed in input to the same. If an odd number of `\' preceded a '$' +# in input to double_quote_subst, that '$' was protected from expansion. +# Since each input `\' is now two `\'s, look for any number of runs of +# four `\'s followed by two `\'s and then a '$'. `\' that '$'. +bs='\\' +bs2='\\\\' +bs4='\\\\\\\\' +dollar='\$' +sed_double_backslash="\ + s/$bs4/&\\ +/g + s/^$bs2$dollar/$bs&/ + s/\\([^$bs]\\)$bs2$dollar/\\1$bs2$bs$dollar/g + s/\n//g" + +# Standard options: +opt_dry_run=false +opt_help=false +opt_quiet=false +opt_verbose=false +opt_warning=: + +# func_echo arg... +# Echo program name prefixed message, along with the current mode +# name if it has been set yet. +func_echo () +{ + $ECHO "$progname: ${opt_mode+$opt_mode: }$*" +} + +# func_verbose arg... +# Echo program name prefixed message in verbose mode only. +func_verbose () +{ + $opt_verbose && func_echo ${1+"$@"} + + # A bug in bash halts the script if the last line of a function + # fails when set -e is in force, so we need another command to + # work around that: + : +} + +# func_echo_all arg... +# Invoke $ECHO with all args, space-separated. +func_echo_all () +{ + $ECHO "$*" +} + +# func_error arg... +# Echo program name prefixed message to standard error. +func_error () +{ + $ECHO "$progname: ${opt_mode+$opt_mode: }"${1+"$@"} 1>&2 +} + +# func_warning arg... +# Echo program name prefixed warning message to standard error. +func_warning () +{ + $opt_warning && $ECHO "$progname: ${opt_mode+$opt_mode: }warning: "${1+"$@"} 1>&2 + + # bash bug again: + : +} + +# func_fatal_error arg... +# Echo program name prefixed message to standard error, and exit. +func_fatal_error () +{ + func_error ${1+"$@"} + exit $EXIT_FAILURE +} + +# func_fatal_help arg... +# Echo program name prefixed message to standard error, followed by +# a help hint, and exit. +func_fatal_help () +{ + func_error ${1+"$@"} + func_fatal_error "$help" +} +help="Try \`$progname --help' for more information." ## default + + +# func_grep expression filename +# Check whether EXPRESSION matches any line of FILENAME, without output. +func_grep () +{ + $GREP "$1" "$2" >/dev/null 2>&1 +} + + +# func_mkdir_p directory-path +# Make sure the entire path to DIRECTORY-PATH is available. +func_mkdir_p () +{ + my_directory_path="$1" + my_dir_list= + + if test -n "$my_directory_path" && test "$opt_dry_run" != ":"; then + + # Protect directory names starting with `-' + case $my_directory_path in + -*) my_directory_path="./$my_directory_path" ;; + esac + + # While some portion of DIR does not yet exist... + while test ! -d "$my_directory_path"; do + # ...make a list in topmost first order. Use a colon delimited + # list incase some portion of path contains whitespace. + my_dir_list="$my_directory_path:$my_dir_list" + + # If the last portion added has no slash in it, the list is done + case $my_directory_path in */*) ;; *) break ;; esac + + # ...otherwise throw away the child directory and loop + my_directory_path=`$ECHO "$my_directory_path" | $SED -e "$dirname"` + done + my_dir_list=`$ECHO "$my_dir_list" | $SED 's,:*$,,'` + + save_mkdir_p_IFS="$IFS"; IFS=':' + for my_dir in $my_dir_list; do + IFS="$save_mkdir_p_IFS" + # mkdir can fail with a `File exist' error if two processes + # try to create one of the directories concurrently. Don't + # stop in that case! + $MKDIR "$my_dir" 2>/dev/null || : + done + IFS="$save_mkdir_p_IFS" + + # Bail out if we (or some other process) failed to create a directory. + test -d "$my_directory_path" || \ + func_fatal_error "Failed to create \`$1'" + fi +} + + +# func_mktempdir [string] +# Make a temporary directory that won't clash with other running +# libtool processes, and avoids race conditions if possible. If +# given, STRING is the basename for that directory. +func_mktempdir () +{ + my_template="${TMPDIR-/tmp}/${1-$progname}" + + if test "$opt_dry_run" = ":"; then + # Return a directory name, but don't create it in dry-run mode + my_tmpdir="${my_template}-$$" + else + + # If mktemp works, use that first and foremost + my_tmpdir=`mktemp -d "${my_template}-XXXXXXXX" 2>/dev/null` + + if test ! -d "$my_tmpdir"; then + # Failing that, at least try and use $RANDOM to avoid a race + my_tmpdir="${my_template}-${RANDOM-0}$$" + + save_mktempdir_umask=`umask` + umask 0077 + $MKDIR "$my_tmpdir" + umask $save_mktempdir_umask + fi + + # If we're not in dry-run mode, bomb out on failure + test -d "$my_tmpdir" || \ + func_fatal_error "cannot create temporary directory \`$my_tmpdir'" + fi + + $ECHO "$my_tmpdir" +} + + +# func_quote_for_eval arg +# Aesthetically quote ARG to be evaled later. +# This function returns two values: FUNC_QUOTE_FOR_EVAL_RESULT +# is double-quoted, suitable for a subsequent eval, whereas +# FUNC_QUOTE_FOR_EVAL_UNQUOTED_RESULT has merely all characters +# which are still active within double quotes backslashified. +func_quote_for_eval () +{ + case $1 in + *[\\\`\"\$]*) + func_quote_for_eval_unquoted_result=`$ECHO "$1" | $SED "$sed_quote_subst"` ;; + *) + func_quote_for_eval_unquoted_result="$1" ;; + esac + + case $func_quote_for_eval_unquoted_result in + # Double-quote args containing shell metacharacters to delay + # word splitting, command substitution and and variable + # expansion for a subsequent eval. + # Many Bourne shells cannot handle close brackets correctly + # in scan sets, so we specify it separately. + *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"") + func_quote_for_eval_result="\"$func_quote_for_eval_unquoted_result\"" + ;; + *) + func_quote_for_eval_result="$func_quote_for_eval_unquoted_result" + esac +} + + +# func_quote_for_expand arg +# Aesthetically quote ARG to be evaled later; same as above, +# but do not quote variable references. +func_quote_for_expand () +{ + case $1 in + *[\\\`\"]*) + my_arg=`$ECHO "$1" | $SED \ + -e "$double_quote_subst" -e "$sed_double_backslash"` ;; + *) + my_arg="$1" ;; + esac + + case $my_arg in + # Double-quote args containing shell metacharacters to delay + # word splitting and command substitution for a subsequent eval. + # Many Bourne shells cannot handle close brackets correctly + # in scan sets, so we specify it separately. + *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"") + my_arg="\"$my_arg\"" + ;; + esac + + func_quote_for_expand_result="$my_arg" +} + + +# func_show_eval cmd [fail_exp] +# Unless opt_silent is true, then output CMD. Then, if opt_dryrun is +# not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP +# is given, then evaluate it. +func_show_eval () +{ + my_cmd="$1" + my_fail_exp="${2-:}" + + ${opt_silent-false} || { + func_quote_for_expand "$my_cmd" + eval "func_echo $func_quote_for_expand_result" + } + + if ${opt_dry_run-false}; then :; else + eval "$my_cmd" + my_status=$? + if test "$my_status" -eq 0; then :; else + eval "(exit $my_status); $my_fail_exp" + fi + fi +} + + +# func_show_eval_locale cmd [fail_exp] +# Unless opt_silent is true, then output CMD. Then, if opt_dryrun is +# not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP +# is given, then evaluate it. Use the saved locale for evaluation. +func_show_eval_locale () +{ + my_cmd="$1" + my_fail_exp="${2-:}" + + ${opt_silent-false} || { + func_quote_for_expand "$my_cmd" + eval "func_echo $func_quote_for_expand_result" + } + + if ${opt_dry_run-false}; then :; else + eval "$lt_user_locale + $my_cmd" + my_status=$? + eval "$lt_safe_locale" + if test "$my_status" -eq 0; then :; else + eval "(exit $my_status); $my_fail_exp" + fi + fi +} + +# func_tr_sh +# Turn $1 into a string suitable for a shell variable name. +# Result is stored in $func_tr_sh_result. All characters +# not in the set a-zA-Z0-9_ are replaced with '_'. Further, +# if $1 begins with a digit, a '_' is prepended as well. +func_tr_sh () +{ + case $1 in + [0-9]* | *[!a-zA-Z0-9_]*) + func_tr_sh_result=`$ECHO "$1" | $SED 's/^\([0-9]\)/_\1/; s/[^a-zA-Z0-9_]/_/g'` + ;; + * ) + func_tr_sh_result=$1 + ;; + esac +} + + +# func_version +# Echo version message to standard output and exit. +func_version () +{ + $opt_debug + + $SED -n '/(C)/!b go + :more + /\./!{ + N + s/\n# / / + b more + } + :go + /^# '$PROGRAM' (GNU /,/# warranty; / { + s/^# // + s/^# *$// + s/\((C)\)[ 0-9,-]*\( [1-9][0-9]*\)/\1\2/ + p + }' < "$progpath" + exit $? +} + +# func_usage +# Echo short help message to standard output and exit. +func_usage () +{ + $opt_debug + + $SED -n '/^# Usage:/,/^# *.*--help/ { + s/^# // + s/^# *$// + s/\$progname/'$progname'/ + p + }' < "$progpath" + echo + $ECHO "run \`$progname --help | more' for full usage" + exit $? +} + +# func_help [NOEXIT] +# Echo long help message to standard output and exit, +# unless 'noexit' is passed as argument. +func_help () +{ + $opt_debug + + $SED -n '/^# Usage:/,/# Report bugs to/ { + :print + s/^# // + s/^# *$// + s*\$progname*'$progname'* + s*\$host*'"$host"'* + s*\$SHELL*'"$SHELL"'* + s*\$LTCC*'"$LTCC"'* + s*\$LTCFLAGS*'"$LTCFLAGS"'* + s*\$LD*'"$LD"'* + s/\$with_gnu_ld/'"$with_gnu_ld"'/ + s/\$automake_version/'"`(automake --version) 2>/dev/null |$SED 1q`"'/ + s/\$autoconf_version/'"`(autoconf --version) 2>/dev/null |$SED 1q`"'/ + p + d + } + /^# .* home page:/b print + /^# General help using/b print + ' < "$progpath" + ret=$? + if test -z "$1"; then + exit $ret + fi +} + +# func_missing_arg argname +# Echo program name prefixed message to standard error and set global +# exit_cmd. +func_missing_arg () +{ + $opt_debug + + func_error "missing argument for $1." + exit_cmd=exit +} + + +# func_split_short_opt shortopt +# Set func_split_short_opt_name and func_split_short_opt_arg shell +# variables after splitting SHORTOPT after the 2nd character. +func_split_short_opt () +{ + my_sed_short_opt='1s/^\(..\).*$/\1/;q' + my_sed_short_rest='1s/^..\(.*\)$/\1/;q' + + func_split_short_opt_name=`$ECHO "$1" | $SED "$my_sed_short_opt"` + func_split_short_opt_arg=`$ECHO "$1" | $SED "$my_sed_short_rest"` +} # func_split_short_opt may be replaced by extended shell implementation + + +# func_split_long_opt longopt +# Set func_split_long_opt_name and func_split_long_opt_arg shell +# variables after splitting LONGOPT at the `=' sign. +func_split_long_opt () +{ + my_sed_long_opt='1s/^\(--[^=]*\)=.*/\1/;q' + my_sed_long_arg='1s/^--[^=]*=//' + + func_split_long_opt_name=`$ECHO "$1" | $SED "$my_sed_long_opt"` + func_split_long_opt_arg=`$ECHO "$1" | $SED "$my_sed_long_arg"` +} # func_split_long_opt may be replaced by extended shell implementation + +exit_cmd=: + + + + + +magic="%%%MAGIC variable%%%" +magic_exe="%%%MAGIC EXE variable%%%" + +# Global variables. +nonopt= +preserve_args= +lo2o="s/\\.lo\$/.${objext}/" +o2lo="s/\\.${objext}\$/.lo/" +extracted_archives= +extracted_serial=0 + +# If this variable is set in any of the actions, the command in it +# will be execed at the end. This prevents here-documents from being +# left over by shells. +exec_cmd= + +# func_append var value +# Append VALUE to the end of shell variable VAR. +func_append () +{ + eval "${1}=\$${1}\${2}" +} # func_append may be replaced by extended shell implementation + +# func_append_quoted var value +# Quote VALUE and append to the end of shell variable VAR, separated +# by a space. +func_append_quoted () +{ + func_quote_for_eval "${2}" + eval "${1}=\$${1}\\ \$func_quote_for_eval_result" +} # func_append_quoted may be replaced by extended shell implementation + + +# func_arith arithmetic-term... +func_arith () +{ + func_arith_result=`expr "${@}"` +} # func_arith may be replaced by extended shell implementation + + +# func_len string +# STRING may not start with a hyphen. +func_len () +{ + func_len_result=`expr "${1}" : ".*" 2>/dev/null || echo $max_cmd_len` +} # func_len may be replaced by extended shell implementation + + +# func_lo2o object +func_lo2o () +{ + func_lo2o_result=`$ECHO "${1}" | $SED "$lo2o"` +} # func_lo2o may be replaced by extended shell implementation + + +# func_xform libobj-or-source +func_xform () +{ + func_xform_result=`$ECHO "${1}" | $SED 's/\.[^.]*$/.lo/'` +} # func_xform may be replaced by extended shell implementation + + +# func_fatal_configuration arg... +# Echo program name prefixed message to standard error, followed by +# a configuration failure hint, and exit. +func_fatal_configuration () +{ + func_error ${1+"$@"} + func_error "See the $PACKAGE documentation for more information." + func_fatal_error "Fatal configuration error." +} + + +# func_config +# Display the configuration for all the tags in this script. +func_config () +{ + re_begincf='^# ### BEGIN LIBTOOL' + re_endcf='^# ### END LIBTOOL' + + # Default configuration. + $SED "1,/$re_begincf CONFIG/d;/$re_endcf CONFIG/,\$d" < "$progpath" + + # Now print the configurations for the tags. + for tagname in $taglist; do + $SED -n "/$re_begincf TAG CONFIG: $tagname\$/,/$re_endcf TAG CONFIG: $tagname\$/p" < "$progpath" + done + + exit $? +} + +# func_features +# Display the features supported by this script. +func_features () +{ + echo "host: $host" + if test "$build_libtool_libs" = yes; then + echo "enable shared libraries" + else + echo "disable shared libraries" + fi + if test "$build_old_libs" = yes; then + echo "enable static libraries" + else + echo "disable static libraries" + fi + + exit $? +} + +# func_enable_tag tagname +# Verify that TAGNAME is valid, and either flag an error and exit, or +# enable the TAGNAME tag. We also add TAGNAME to the global $taglist +# variable here. +func_enable_tag () +{ + # Global variable: + tagname="$1" + + re_begincf="^# ### BEGIN LIBTOOL TAG CONFIG: $tagname\$" + re_endcf="^# ### END LIBTOOL TAG CONFIG: $tagname\$" + sed_extractcf="/$re_begincf/,/$re_endcf/p" + + # Validate tagname. + case $tagname in + *[!-_A-Za-z0-9,/]*) + func_fatal_error "invalid tag name: $tagname" + ;; + esac + + # Don't test for the "default" C tag, as we know it's + # there but not specially marked. + case $tagname in + CC) ;; + *) + if $GREP "$re_begincf" "$progpath" >/dev/null 2>&1; then + taglist="$taglist $tagname" + + # Evaluate the configuration. Be careful to quote the path + # and the sed script, to avoid splitting on whitespace, but + # also don't use non-portable quotes within backquotes within + # quotes we have to do it in 2 steps: + extractedcf=`$SED -n -e "$sed_extractcf" < "$progpath"` + eval "$extractedcf" + else + func_error "ignoring unknown tag $tagname" + fi + ;; + esac +} + +# func_check_version_match +# Ensure that we are using m4 macros, and libtool script from the same +# release of libtool. +func_check_version_match () +{ + if test "$package_revision" != "$macro_revision"; then + if test "$VERSION" != "$macro_version"; then + if test -z "$macro_version"; then + cat >&2 <<_LT_EOF +$progname: Version mismatch error. This is $PACKAGE $VERSION, but the +$progname: definition of this LT_INIT comes from an older release. +$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION +$progname: and run autoconf again. +_LT_EOF + else + cat >&2 <<_LT_EOF +$progname: Version mismatch error. This is $PACKAGE $VERSION, but the +$progname: definition of this LT_INIT comes from $PACKAGE $macro_version. +$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION +$progname: and run autoconf again. +_LT_EOF + fi + else + cat >&2 <<_LT_EOF +$progname: Version mismatch error. This is $PACKAGE $VERSION, revision $package_revision, +$progname: but the definition of this LT_INIT comes from revision $macro_revision. +$progname: You should recreate aclocal.m4 with macros from revision $package_revision +$progname: of $PACKAGE $VERSION and run autoconf again. +_LT_EOF + fi + + exit $EXIT_MISMATCH + fi +} + + +# Shorthand for --mode=foo, only valid as the first argument +case $1 in +clean|clea|cle|cl) + shift; set dummy --mode clean ${1+"$@"}; shift + ;; +compile|compil|compi|comp|com|co|c) + shift; set dummy --mode compile ${1+"$@"}; shift + ;; +execute|execut|execu|exec|exe|ex|e) + shift; set dummy --mode execute ${1+"$@"}; shift + ;; +finish|finis|fini|fin|fi|f) + shift; set dummy --mode finish ${1+"$@"}; shift + ;; +install|instal|insta|inst|ins|in|i) + shift; set dummy --mode install ${1+"$@"}; shift + ;; +link|lin|li|l) + shift; set dummy --mode link ${1+"$@"}; shift + ;; +uninstall|uninstal|uninsta|uninst|unins|unin|uni|un|u) + shift; set dummy --mode uninstall ${1+"$@"}; shift + ;; +esac + + + +# Option defaults: +opt_debug=: +opt_dry_run=false +opt_config=false +opt_preserve_dup_deps=false +opt_features=false +opt_finish=false +opt_help=false +opt_help_all=false +opt_silent=: +opt_verbose=: +opt_silent=false +opt_verbose=false + + +# Parse options once, thoroughly. This comes as soon as possible in the +# script to make things like `--version' happen as quickly as we can. +{ + # this just eases exit handling + while test $# -gt 0; do + opt="$1" + shift + case $opt in + --debug|-x) opt_debug='set -x' + func_echo "enabling shell trace mode" + $opt_debug + ;; + --dry-run|--dryrun|-n) + opt_dry_run=: + ;; + --config) + opt_config=: +func_config + ;; + --dlopen|-dlopen) + optarg="$1" + opt_dlopen="${opt_dlopen+$opt_dlopen +}$optarg" + shift + ;; + --preserve-dup-deps) + opt_preserve_dup_deps=: + ;; + --features) + opt_features=: +func_features + ;; + --finish) + opt_finish=: +set dummy --mode finish ${1+"$@"}; shift + ;; + --help) + opt_help=: + ;; + --help-all) + opt_help_all=: +opt_help=': help-all' + ;; + --mode) + test $# = 0 && func_missing_arg $opt && break + optarg="$1" + opt_mode="$optarg" +case $optarg in + # Valid mode arguments: + clean|compile|execute|finish|install|link|relink|uninstall) ;; + + # Catch anything else as an error + *) func_error "invalid argument for $opt" + exit_cmd=exit + break + ;; +esac + shift + ;; + --no-silent|--no-quiet) + opt_silent=false +func_append preserve_args " $opt" + ;; + --no-verbose) + opt_verbose=false +func_append preserve_args " $opt" + ;; + --silent|--quiet) + opt_silent=: +func_append preserve_args " $opt" + opt_verbose=false + ;; + --verbose|-v) + opt_verbose=: +func_append preserve_args " $opt" +opt_silent=false + ;; + --tag) + test $# = 0 && func_missing_arg $opt && break + optarg="$1" + opt_tag="$optarg" +func_append preserve_args " $opt $optarg" +func_enable_tag "$optarg" + shift + ;; + + -\?|-h) func_usage ;; + --help) func_help ;; + --version) func_version ;; + + # Separate optargs to long options: + --*=*) + func_split_long_opt "$opt" + set dummy "$func_split_long_opt_name" "$func_split_long_opt_arg" ${1+"$@"} + shift + ;; + + # Separate non-argument short options: + -\?*|-h*|-n*|-v*) + func_split_short_opt "$opt" + set dummy "$func_split_short_opt_name" "-$func_split_short_opt_arg" ${1+"$@"} + shift + ;; + + --) break ;; + -*) func_fatal_help "unrecognized option \`$opt'" ;; + *) set dummy "$opt" ${1+"$@"}; shift; break ;; + esac + done + + # Validate options: + + # save first non-option argument + if test "$#" -gt 0; then + nonopt="$opt" + shift + fi + + # preserve --debug + test "$opt_debug" = : || func_append preserve_args " --debug" + + case $host in + *cygwin* | *mingw* | *pw32* | *cegcc*) + # don't eliminate duplications in $postdeps and $predeps + opt_duplicate_compiler_generated_deps=: + ;; + *) + opt_duplicate_compiler_generated_deps=$opt_preserve_dup_deps + ;; + esac + + $opt_help || { + # Sanity checks first: + func_check_version_match + + if test "$build_libtool_libs" != yes && test "$build_old_libs" != yes; then + func_fatal_configuration "not configured to build any kind of library" + fi + + # Darwin sucks + eval std_shrext=\"$shrext_cmds\" + + # Only execute mode is allowed to have -dlopen flags. + if test -n "$opt_dlopen" && test "$opt_mode" != execute; then + func_error "unrecognized option \`-dlopen'" + $ECHO "$help" 1>&2 + exit $EXIT_FAILURE + fi + + # Change the help message to a mode-specific one. + generic_help="$help" + help="Try \`$progname --help --mode=$opt_mode' for more information." + } + + + # Bail if the options were screwed + $exit_cmd $EXIT_FAILURE +} + + + + +## ----------- ## +## Main. ## +## ----------- ## + +# func_lalib_p file +# True iff FILE is a libtool `.la' library or `.lo' object file. +# This function is only a basic sanity check; it will hardly flush out +# determined imposters. +func_lalib_p () +{ + test -f "$1" && + $SED -e 4q "$1" 2>/dev/null \ + | $GREP "^# Generated by .*$PACKAGE" > /dev/null 2>&1 +} + +# func_lalib_unsafe_p file +# True iff FILE is a libtool `.la' library or `.lo' object file. +# This function implements the same check as func_lalib_p without +# resorting to external programs. To this end, it redirects stdin and +# closes it afterwards, without saving the original file descriptor. +# As a safety measure, use it only where a negative result would be +# fatal anyway. Works if `file' does not exist. +func_lalib_unsafe_p () +{ + lalib_p=no + if test -f "$1" && test -r "$1" && exec 5<&0 <"$1"; then + for lalib_p_l in 1 2 3 4 + do + read lalib_p_line + case "$lalib_p_line" in + \#\ Generated\ by\ *$PACKAGE* ) lalib_p=yes; break;; + esac + done + exec 0<&5 5<&- + fi + test "$lalib_p" = yes +} + +# func_ltwrapper_script_p file +# True iff FILE is a libtool wrapper script +# This function is only a basic sanity check; it will hardly flush out +# determined imposters. +func_ltwrapper_script_p () +{ + func_lalib_p "$1" +} + +# func_ltwrapper_executable_p file +# True iff FILE is a libtool wrapper executable +# This function is only a basic sanity check; it will hardly flush out +# determined imposters. +func_ltwrapper_executable_p () +{ + func_ltwrapper_exec_suffix= + case $1 in + *.exe) ;; + *) func_ltwrapper_exec_suffix=.exe ;; + esac + $GREP "$magic_exe" "$1$func_ltwrapper_exec_suffix" >/dev/null 2>&1 +} + +# func_ltwrapper_scriptname file +# Assumes file is an ltwrapper_executable +# uses $file to determine the appropriate filename for a +# temporary ltwrapper_script. +func_ltwrapper_scriptname () +{ + func_dirname_and_basename "$1" "" "." + func_stripname '' '.exe' "$func_basename_result" + func_ltwrapper_scriptname_result="$func_dirname_result/$objdir/${func_stripname_result}_ltshwrapper" +} + +# func_ltwrapper_p file +# True iff FILE is a libtool wrapper script or wrapper executable +# This function is only a basic sanity check; it will hardly flush out +# determined imposters. +func_ltwrapper_p () +{ + func_ltwrapper_script_p "$1" || func_ltwrapper_executable_p "$1" +} + + +# func_execute_cmds commands fail_cmd +# Execute tilde-delimited COMMANDS. +# If FAIL_CMD is given, eval that upon failure. +# FAIL_CMD may read-access the current command in variable CMD! +func_execute_cmds () +{ + $opt_debug + save_ifs=$IFS; IFS='~' + for cmd in $1; do + IFS=$save_ifs + eval cmd=\"$cmd\" + func_show_eval "$cmd" "${2-:}" + done + IFS=$save_ifs +} + + +# func_source file +# Source FILE, adding directory component if necessary. +# Note that it is not necessary on cygwin/mingw to append a dot to +# FILE even if both FILE and FILE.exe exist: automatic-append-.exe +# behavior happens only for exec(3), not for open(2)! Also, sourcing +# `FILE.' does not work on cygwin managed mounts. +func_source () +{ + $opt_debug + case $1 in + */* | *\\*) . "$1" ;; + *) . "./$1" ;; + esac +} + + +# func_resolve_sysroot PATH +# Replace a leading = in PATH with a sysroot. Store the result into +# func_resolve_sysroot_result +func_resolve_sysroot () +{ + func_resolve_sysroot_result=$1 + case $func_resolve_sysroot_result in + =*) + func_stripname '=' '' "$func_resolve_sysroot_result" + func_resolve_sysroot_result=$lt_sysroot$func_stripname_result + ;; + esac +} + +# func_replace_sysroot PATH +# If PATH begins with the sysroot, replace it with = and +# store the result into func_replace_sysroot_result. +func_replace_sysroot () +{ + case "$lt_sysroot:$1" in + ?*:"$lt_sysroot"*) + func_stripname "$lt_sysroot" '' "$1" + func_replace_sysroot_result="=$func_stripname_result" + ;; + *) + # Including no sysroot. + func_replace_sysroot_result=$1 + ;; + esac +} + +# func_infer_tag arg +# Infer tagged configuration to use if any are available and +# if one wasn't chosen via the "--tag" command line option. +# Only attempt this if the compiler in the base compile +# command doesn't match the default compiler. +# arg is usually of the form 'gcc ...' +func_infer_tag () +{ + $opt_debug + if test -n "$available_tags" && test -z "$tagname"; then + CC_quoted= + for arg in $CC; do + func_append_quoted CC_quoted "$arg" + done + CC_expanded=`func_echo_all $CC` + CC_quoted_expanded=`func_echo_all $CC_quoted` + case $@ in + # Blanks in the command may have been stripped by the calling shell, + # but not from the CC environment variable when configure was run. + " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \ + " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) ;; + # Blanks at the start of $base_compile will cause this to fail + # if we don't check for them as well. + *) + for z in $available_tags; do + if $GREP "^# ### BEGIN LIBTOOL TAG CONFIG: $z$" < "$progpath" > /dev/null; then + # Evaluate the configuration. + eval "`${SED} -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$z'$/,/^# ### END LIBTOOL TAG CONFIG: '$z'$/p' < $progpath`" + CC_quoted= + for arg in $CC; do + # Double-quote args containing other shell metacharacters. + func_append_quoted CC_quoted "$arg" + done + CC_expanded=`func_echo_all $CC` + CC_quoted_expanded=`func_echo_all $CC_quoted` + case "$@ " in + " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \ + " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) + # The compiler in the base compile command matches + # the one in the tagged configuration. + # Assume this is the tagged configuration we want. + tagname=$z + break + ;; + esac + fi + done + # If $tagname still isn't set, then no tagged configuration + # was found and let the user know that the "--tag" command + # line option must be used. + if test -z "$tagname"; then + func_echo "unable to infer tagged configuration" + func_fatal_error "specify a tag with \`--tag'" +# else +# func_verbose "using $tagname tagged configuration" + fi + ;; + esac + fi +} + + + +# func_write_libtool_object output_name pic_name nonpic_name +# Create a libtool object file (analogous to a ".la" file), +# but don't create it if we're doing a dry run. +func_write_libtool_object () +{ + write_libobj=${1} + if test "$build_libtool_libs" = yes; then + write_lobj=\'${2}\' + else + write_lobj=none + fi + + if test "$build_old_libs" = yes; then + write_oldobj=\'${3}\' + else + write_oldobj=none + fi + + $opt_dry_run || { + cat >${write_libobj}T </dev/null` + if test "$?" -eq 0 && test -n "${func_convert_core_file_wine_to_w32_tmp}"; then + func_convert_core_file_wine_to_w32_result=`$ECHO "$func_convert_core_file_wine_to_w32_tmp" | + $SED -e "$lt_sed_naive_backslashify"` + else + func_convert_core_file_wine_to_w32_result= + fi + fi +} +# end: func_convert_core_file_wine_to_w32 + + +# func_convert_core_path_wine_to_w32 ARG +# Helper function used by path conversion functions when $build is *nix, and +# $host is mingw, cygwin, or some other w32 environment. Relies on a correctly +# configured wine environment available, with the winepath program in $build's +# $PATH. Assumes ARG has no leading or trailing path separator characters. +# +# ARG is path to be converted from $build format to win32. +# Result is available in $func_convert_core_path_wine_to_w32_result. +# Unconvertible file (directory) names in ARG are skipped; if no directory names +# are convertible, then the result may be empty. +func_convert_core_path_wine_to_w32 () +{ + $opt_debug + # unfortunately, winepath doesn't convert paths, only file names + func_convert_core_path_wine_to_w32_result="" + if test -n "$1"; then + oldIFS=$IFS + IFS=: + for func_convert_core_path_wine_to_w32_f in $1; do + IFS=$oldIFS + func_convert_core_file_wine_to_w32 "$func_convert_core_path_wine_to_w32_f" + if test -n "$func_convert_core_file_wine_to_w32_result" ; then + if test -z "$func_convert_core_path_wine_to_w32_result"; then + func_convert_core_path_wine_to_w32_result="$func_convert_core_file_wine_to_w32_result" + else + func_append func_convert_core_path_wine_to_w32_result ";$func_convert_core_file_wine_to_w32_result" + fi + fi + done + IFS=$oldIFS + fi +} +# end: func_convert_core_path_wine_to_w32 + + +# func_cygpath ARGS... +# Wrapper around calling the cygpath program via LT_CYGPATH. This is used when +# when (1) $build is *nix and Cygwin is hosted via a wine environment; or (2) +# $build is MSYS and $host is Cygwin, or (3) $build is Cygwin. In case (1) or +# (2), returns the Cygwin file name or path in func_cygpath_result (input +# file name or path is assumed to be in w32 format, as previously converted +# from $build's *nix or MSYS format). In case (3), returns the w32 file name +# or path in func_cygpath_result (input file name or path is assumed to be in +# Cygwin format). Returns an empty string on error. +# +# ARGS are passed to cygpath, with the last one being the file name or path to +# be converted. +# +# Specify the absolute *nix (or w32) name to cygpath in the LT_CYGPATH +# environment variable; do not put it in $PATH. +func_cygpath () +{ + $opt_debug + if test -n "$LT_CYGPATH" && test -f "$LT_CYGPATH"; then + func_cygpath_result=`$LT_CYGPATH "$@" 2>/dev/null` + if test "$?" -ne 0; then + # on failure, ensure result is empty + func_cygpath_result= + fi + else + func_cygpath_result= + func_error "LT_CYGPATH is empty or specifies non-existent file: \`$LT_CYGPATH'" + fi +} +#end: func_cygpath + + +# func_convert_core_msys_to_w32 ARG +# Convert file name or path ARG from MSYS format to w32 format. Return +# result in func_convert_core_msys_to_w32_result. +func_convert_core_msys_to_w32 () +{ + $opt_debug + # awkward: cmd appends spaces to result + func_convert_core_msys_to_w32_result=`( cmd //c echo "$1" ) 2>/dev/null | + $SED -e 's/[ ]*$//' -e "$lt_sed_naive_backslashify"` +} +#end: func_convert_core_msys_to_w32 + + +# func_convert_file_check ARG1 ARG2 +# Verify that ARG1 (a file name in $build format) was converted to $host +# format in ARG2. Otherwise, emit an error message, but continue (resetting +# func_to_host_file_result to ARG1). +func_convert_file_check () +{ + $opt_debug + if test -z "$2" && test -n "$1" ; then + func_error "Could not determine host file name corresponding to" + func_error " \`$1'" + func_error "Continuing, but uninstalled executables may not work." + # Fallback: + func_to_host_file_result="$1" + fi +} +# end func_convert_file_check + + +# func_convert_path_check FROM_PATHSEP TO_PATHSEP FROM_PATH TO_PATH +# Verify that FROM_PATH (a path in $build format) was converted to $host +# format in TO_PATH. Otherwise, emit an error message, but continue, resetting +# func_to_host_file_result to a simplistic fallback value (see below). +func_convert_path_check () +{ + $opt_debug + if test -z "$4" && test -n "$3"; then + func_error "Could not determine the host path corresponding to" + func_error " \`$3'" + func_error "Continuing, but uninstalled executables may not work." + # Fallback. This is a deliberately simplistic "conversion" and + # should not be "improved". See libtool.info. + if test "x$1" != "x$2"; then + lt_replace_pathsep_chars="s|$1|$2|g" + func_to_host_path_result=`echo "$3" | + $SED -e "$lt_replace_pathsep_chars"` + else + func_to_host_path_result="$3" + fi + fi +} +# end func_convert_path_check + + +# func_convert_path_front_back_pathsep FRONTPAT BACKPAT REPL ORIG +# Modifies func_to_host_path_result by prepending REPL if ORIG matches FRONTPAT +# and appending REPL if ORIG matches BACKPAT. +func_convert_path_front_back_pathsep () +{ + $opt_debug + case $4 in + $1 ) func_to_host_path_result="$3$func_to_host_path_result" + ;; + esac + case $4 in + $2 ) func_append func_to_host_path_result "$3" + ;; + esac +} +# end func_convert_path_front_back_pathsep + + +################################################## +# $build to $host FILE NAME CONVERSION FUNCTIONS # +################################################## +# invoked via `$to_host_file_cmd ARG' +# +# In each case, ARG is the path to be converted from $build to $host format. +# Result will be available in $func_to_host_file_result. + + +# func_to_host_file ARG +# Converts the file name ARG from $build format to $host format. Return result +# in func_to_host_file_result. +func_to_host_file () +{ + $opt_debug + $to_host_file_cmd "$1" +} +# end func_to_host_file + + +# func_to_tool_file ARG LAZY +# converts the file name ARG from $build format to toolchain format. Return +# result in func_to_tool_file_result. If the conversion in use is listed +# in (the comma separated) LAZY, no conversion takes place. +func_to_tool_file () +{ + $opt_debug + case ,$2, in + *,"$to_tool_file_cmd",*) + func_to_tool_file_result=$1 + ;; + *) + $to_tool_file_cmd "$1" + func_to_tool_file_result=$func_to_host_file_result + ;; + esac +} +# end func_to_tool_file + + +# func_convert_file_noop ARG +# Copy ARG to func_to_host_file_result. +func_convert_file_noop () +{ + func_to_host_file_result="$1" +} +# end func_convert_file_noop + + +# func_convert_file_msys_to_w32 ARG +# Convert file name ARG from (mingw) MSYS to (mingw) w32 format; automatic +# conversion to w32 is not available inside the cwrapper. Returns result in +# func_to_host_file_result. +func_convert_file_msys_to_w32 () +{ + $opt_debug + func_to_host_file_result="$1" + if test -n "$1"; then + func_convert_core_msys_to_w32 "$1" + func_to_host_file_result="$func_convert_core_msys_to_w32_result" + fi + func_convert_file_check "$1" "$func_to_host_file_result" +} +# end func_convert_file_msys_to_w32 + + +# func_convert_file_cygwin_to_w32 ARG +# Convert file name ARG from Cygwin to w32 format. Returns result in +# func_to_host_file_result. +func_convert_file_cygwin_to_w32 () +{ + $opt_debug + func_to_host_file_result="$1" + if test -n "$1"; then + # because $build is cygwin, we call "the" cygpath in $PATH; no need to use + # LT_CYGPATH in this case. + func_to_host_file_result=`cygpath -m "$1"` + fi + func_convert_file_check "$1" "$func_to_host_file_result" +} +# end func_convert_file_cygwin_to_w32 + + +# func_convert_file_nix_to_w32 ARG +# Convert file name ARG from *nix to w32 format. Requires a wine environment +# and a working winepath. Returns result in func_to_host_file_result. +func_convert_file_nix_to_w32 () +{ + $opt_debug + func_to_host_file_result="$1" + if test -n "$1"; then + func_convert_core_file_wine_to_w32 "$1" + func_to_host_file_result="$func_convert_core_file_wine_to_w32_result" + fi + func_convert_file_check "$1" "$func_to_host_file_result" +} +# end func_convert_file_nix_to_w32 + + +# func_convert_file_msys_to_cygwin ARG +# Convert file name ARG from MSYS to Cygwin format. Requires LT_CYGPATH set. +# Returns result in func_to_host_file_result. +func_convert_file_msys_to_cygwin () +{ + $opt_debug + func_to_host_file_result="$1" + if test -n "$1"; then + func_convert_core_msys_to_w32 "$1" + func_cygpath -u "$func_convert_core_msys_to_w32_result" + func_to_host_file_result="$func_cygpath_result" + fi + func_convert_file_check "$1" "$func_to_host_file_result" +} +# end func_convert_file_msys_to_cygwin + + +# func_convert_file_nix_to_cygwin ARG +# Convert file name ARG from *nix to Cygwin format. Requires Cygwin installed +# in a wine environment, working winepath, and LT_CYGPATH set. Returns result +# in func_to_host_file_result. +func_convert_file_nix_to_cygwin () +{ + $opt_debug + func_to_host_file_result="$1" + if test -n "$1"; then + # convert from *nix to w32, then use cygpath to convert from w32 to cygwin. + func_convert_core_file_wine_to_w32 "$1" + func_cygpath -u "$func_convert_core_file_wine_to_w32_result" + func_to_host_file_result="$func_cygpath_result" + fi + func_convert_file_check "$1" "$func_to_host_file_result" +} +# end func_convert_file_nix_to_cygwin + + +############################################# +# $build to $host PATH CONVERSION FUNCTIONS # +############################################# +# invoked via `$to_host_path_cmd ARG' +# +# In each case, ARG is the path to be converted from $build to $host format. +# The result will be available in $func_to_host_path_result. +# +# Path separators are also converted from $build format to $host format. If +# ARG begins or ends with a path separator character, it is preserved (but +# converted to $host format) on output. +# +# All path conversion functions are named using the following convention: +# file name conversion function : func_convert_file_X_to_Y () +# path conversion function : func_convert_path_X_to_Y () +# where, for any given $build/$host combination the 'X_to_Y' value is the +# same. If conversion functions are added for new $build/$host combinations, +# the two new functions must follow this pattern, or func_init_to_host_path_cmd +# will break. + + +# func_init_to_host_path_cmd +# Ensures that function "pointer" variable $to_host_path_cmd is set to the +# appropriate value, based on the value of $to_host_file_cmd. +to_host_path_cmd= +func_init_to_host_path_cmd () +{ + $opt_debug + if test -z "$to_host_path_cmd"; then + func_stripname 'func_convert_file_' '' "$to_host_file_cmd" + to_host_path_cmd="func_convert_path_${func_stripname_result}" + fi +} + + +# func_to_host_path ARG +# Converts the path ARG from $build format to $host format. Return result +# in func_to_host_path_result. +func_to_host_path () +{ + $opt_debug + func_init_to_host_path_cmd + $to_host_path_cmd "$1" +} +# end func_to_host_path + + +# func_convert_path_noop ARG +# Copy ARG to func_to_host_path_result. +func_convert_path_noop () +{ + func_to_host_path_result="$1" +} +# end func_convert_path_noop + + +# func_convert_path_msys_to_w32 ARG +# Convert path ARG from (mingw) MSYS to (mingw) w32 format; automatic +# conversion to w32 is not available inside the cwrapper. Returns result in +# func_to_host_path_result. +func_convert_path_msys_to_w32 () +{ + $opt_debug + func_to_host_path_result="$1" + if test -n "$1"; then + # Remove leading and trailing path separator characters from ARG. MSYS + # behavior is inconsistent here; cygpath turns them into '.;' and ';.'; + # and winepath ignores them completely. + func_stripname : : "$1" + func_to_host_path_tmp1=$func_stripname_result + func_convert_core_msys_to_w32 "$func_to_host_path_tmp1" + func_to_host_path_result="$func_convert_core_msys_to_w32_result" + func_convert_path_check : ";" \ + "$func_to_host_path_tmp1" "$func_to_host_path_result" + func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" + fi +} +# end func_convert_path_msys_to_w32 + + +# func_convert_path_cygwin_to_w32 ARG +# Convert path ARG from Cygwin to w32 format. Returns result in +# func_to_host_file_result. +func_convert_path_cygwin_to_w32 () +{ + $opt_debug + func_to_host_path_result="$1" + if test -n "$1"; then + # See func_convert_path_msys_to_w32: + func_stripname : : "$1" + func_to_host_path_tmp1=$func_stripname_result + func_to_host_path_result=`cygpath -m -p "$func_to_host_path_tmp1"` + func_convert_path_check : ";" \ + "$func_to_host_path_tmp1" "$func_to_host_path_result" + func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" + fi +} +# end func_convert_path_cygwin_to_w32 + + +# func_convert_path_nix_to_w32 ARG +# Convert path ARG from *nix to w32 format. Requires a wine environment and +# a working winepath. Returns result in func_to_host_file_result. +func_convert_path_nix_to_w32 () +{ + $opt_debug + func_to_host_path_result="$1" + if test -n "$1"; then + # See func_convert_path_msys_to_w32: + func_stripname : : "$1" + func_to_host_path_tmp1=$func_stripname_result + func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1" + func_to_host_path_result="$func_convert_core_path_wine_to_w32_result" + func_convert_path_check : ";" \ + "$func_to_host_path_tmp1" "$func_to_host_path_result" + func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" + fi +} +# end func_convert_path_nix_to_w32 + + +# func_convert_path_msys_to_cygwin ARG +# Convert path ARG from MSYS to Cygwin format. Requires LT_CYGPATH set. +# Returns result in func_to_host_file_result. +func_convert_path_msys_to_cygwin () +{ + $opt_debug + func_to_host_path_result="$1" + if test -n "$1"; then + # See func_convert_path_msys_to_w32: + func_stripname : : "$1" + func_to_host_path_tmp1=$func_stripname_result + func_convert_core_msys_to_w32 "$func_to_host_path_tmp1" + func_cygpath -u -p "$func_convert_core_msys_to_w32_result" + func_to_host_path_result="$func_cygpath_result" + func_convert_path_check : : \ + "$func_to_host_path_tmp1" "$func_to_host_path_result" + func_convert_path_front_back_pathsep ":*" "*:" : "$1" + fi +} +# end func_convert_path_msys_to_cygwin + + +# func_convert_path_nix_to_cygwin ARG +# Convert path ARG from *nix to Cygwin format. Requires Cygwin installed in a +# a wine environment, working winepath, and LT_CYGPATH set. Returns result in +# func_to_host_file_result. +func_convert_path_nix_to_cygwin () +{ + $opt_debug + func_to_host_path_result="$1" + if test -n "$1"; then + # Remove leading and trailing path separator characters from + # ARG. msys behavior is inconsistent here, cygpath turns them + # into '.;' and ';.', and winepath ignores them completely. + func_stripname : : "$1" + func_to_host_path_tmp1=$func_stripname_result + func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1" + func_cygpath -u -p "$func_convert_core_path_wine_to_w32_result" + func_to_host_path_result="$func_cygpath_result" + func_convert_path_check : : \ + "$func_to_host_path_tmp1" "$func_to_host_path_result" + func_convert_path_front_back_pathsep ":*" "*:" : "$1" + fi +} +# end func_convert_path_nix_to_cygwin + + +# func_mode_compile arg... +func_mode_compile () +{ + $opt_debug + # Get the compilation command and the source file. + base_compile= + srcfile="$nonopt" # always keep a non-empty value in "srcfile" + suppress_opt=yes + suppress_output= + arg_mode=normal + libobj= + later= + pie_flag= + + for arg + do + case $arg_mode in + arg ) + # do not "continue". Instead, add this to base_compile + lastarg="$arg" + arg_mode=normal + ;; + + target ) + libobj="$arg" + arg_mode=normal + continue + ;; + + normal ) + # Accept any command-line options. + case $arg in + -o) + test -n "$libobj" && \ + func_fatal_error "you cannot specify \`-o' more than once" + arg_mode=target + continue + ;; + + -pie | -fpie | -fPIE) + func_append pie_flag " $arg" + continue + ;; + + -shared | -static | -prefer-pic | -prefer-non-pic) + func_append later " $arg" + continue + ;; + + -no-suppress) + suppress_opt=no + continue + ;; + + -Xcompiler) + arg_mode=arg # the next one goes into the "base_compile" arg list + continue # The current "srcfile" will either be retained or + ;; # replaced later. I would guess that would be a bug. + + -Wc,*) + func_stripname '-Wc,' '' "$arg" + args=$func_stripname_result + lastarg= + save_ifs="$IFS"; IFS=',' + for arg in $args; do + IFS="$save_ifs" + func_append_quoted lastarg "$arg" + done + IFS="$save_ifs" + func_stripname ' ' '' "$lastarg" + lastarg=$func_stripname_result + + # Add the arguments to base_compile. + func_append base_compile " $lastarg" + continue + ;; + + *) + # Accept the current argument as the source file. + # The previous "srcfile" becomes the current argument. + # + lastarg="$srcfile" + srcfile="$arg" + ;; + esac # case $arg + ;; + esac # case $arg_mode + + # Aesthetically quote the previous argument. + func_append_quoted base_compile "$lastarg" + done # for arg + + case $arg_mode in + arg) + func_fatal_error "you must specify an argument for -Xcompile" + ;; + target) + func_fatal_error "you must specify a target with \`-o'" + ;; + *) + # Get the name of the library object. + test -z "$libobj" && { + func_basename "$srcfile" + libobj="$func_basename_result" + } + ;; + esac + + # Recognize several different file suffixes. + # If the user specifies -o file.o, it is replaced with file.lo + case $libobj in + *.[cCFSifmso] | \ + *.ada | *.adb | *.ads | *.asm | \ + *.c++ | *.cc | *.ii | *.class | *.cpp | *.cxx | \ + *.[fF][09]? | *.for | *.java | *.obj | *.sx | *.cu | *.cup) + func_xform "$libobj" + libobj=$func_xform_result + ;; + esac + + case $libobj in + *.lo) func_lo2o "$libobj"; obj=$func_lo2o_result ;; + *) + func_fatal_error "cannot determine name of library object from \`$libobj'" + ;; + esac + + func_infer_tag $base_compile + + for arg in $later; do + case $arg in + -shared) + test "$build_libtool_libs" != yes && \ + func_fatal_configuration "can not build a shared library" + build_old_libs=no + continue + ;; + + -static) + build_libtool_libs=no + build_old_libs=yes + continue + ;; + + -prefer-pic) + pic_mode=yes + continue + ;; + + -prefer-non-pic) + pic_mode=no + continue + ;; + esac + done + + func_quote_for_eval "$libobj" + test "X$libobj" != "X$func_quote_for_eval_result" \ + && $ECHO "X$libobj" | $GREP '[]~#^*{};<>?"'"'"' &()|`$[]' \ + && func_warning "libobj name \`$libobj' may not contain shell special characters." + func_dirname_and_basename "$obj" "/" "" + objname="$func_basename_result" + xdir="$func_dirname_result" + lobj=${xdir}$objdir/$objname + + test -z "$base_compile" && \ + func_fatal_help "you must specify a compilation command" + + # Delete any leftover library objects. + if test "$build_old_libs" = yes; then + removelist="$obj $lobj $libobj ${libobj}T" + else + removelist="$lobj $libobj ${libobj}T" + fi + + # On Cygwin there's no "real" PIC flag so we must build both object types + case $host_os in + cygwin* | mingw* | pw32* | os2* | cegcc*) + pic_mode=default + ;; + esac + if test "$pic_mode" = no && test "$deplibs_check_method" != pass_all; then + # non-PIC code in shared libraries is not supported + pic_mode=default + fi + + # Calculate the filename of the output object if compiler does + # not support -o with -c + if test "$compiler_c_o" = no; then + output_obj=`$ECHO "$srcfile" | $SED 's%^.*/%%; s%\.[^.]*$%%'`.${objext} + lockfile="$output_obj.lock" + else + output_obj= + need_locks=no + lockfile= + fi + + # Lock this critical section if it is needed + # We use this script file to make the link, it avoids creating a new file + if test "$need_locks" = yes; then + until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do + func_echo "Waiting for $lockfile to be removed" + sleep 2 + done + elif test "$need_locks" = warn; then + if test -f "$lockfile"; then + $ECHO "\ +*** ERROR, $lockfile exists and contains: +`cat $lockfile 2>/dev/null` + +This indicates that another process is trying to use the same +temporary object file, and libtool could not work around it because +your compiler does not support \`-c' and \`-o' together. If you +repeat this compilation, it may succeed, by chance, but you had better +avoid parallel builds (make -j) in this platform, or get a better +compiler." + + $opt_dry_run || $RM $removelist + exit $EXIT_FAILURE + fi + func_append removelist " $output_obj" + $ECHO "$srcfile" > "$lockfile" + fi + + $opt_dry_run || $RM $removelist + func_append removelist " $lockfile" + trap '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' 1 2 15 + + func_to_tool_file "$srcfile" func_convert_file_msys_to_w32 + srcfile=$func_to_tool_file_result + func_quote_for_eval "$srcfile" + qsrcfile=$func_quote_for_eval_result + + # Only build a PIC object if we are building libtool libraries. + if test "$build_libtool_libs" = yes; then + # Without this assignment, base_compile gets emptied. + fbsd_hideous_sh_bug=$base_compile + + if test "$pic_mode" != no; then + command="$base_compile $qsrcfile $pic_flag" + else + # Don't build PIC code + command="$base_compile $qsrcfile" + fi + + func_mkdir_p "$xdir$objdir" + + if test -z "$output_obj"; then + # Place PIC objects in $objdir + func_append command " -o $lobj" + fi + + func_show_eval_locale "$command" \ + 'test -n "$output_obj" && $RM $removelist; exit $EXIT_FAILURE' + + if test "$need_locks" = warn && + test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then + $ECHO "\ +*** ERROR, $lockfile contains: +`cat $lockfile 2>/dev/null` + +but it should contain: +$srcfile + +This indicates that another process is trying to use the same +temporary object file, and libtool could not work around it because +your compiler does not support \`-c' and \`-o' together. If you +repeat this compilation, it may succeed, by chance, but you had better +avoid parallel builds (make -j) in this platform, or get a better +compiler." + + $opt_dry_run || $RM $removelist + exit $EXIT_FAILURE + fi + + # Just move the object if needed, then go on to compile the next one + if test -n "$output_obj" && test "X$output_obj" != "X$lobj"; then + func_show_eval '$MV "$output_obj" "$lobj"' \ + 'error=$?; $opt_dry_run || $RM $removelist; exit $error' + fi + + # Allow error messages only from the first compilation. + if test "$suppress_opt" = yes; then + suppress_output=' >/dev/null 2>&1' + fi + fi + + # Only build a position-dependent object if we build old libraries. + if test "$build_old_libs" = yes; then + if test "$pic_mode" != yes; then + # Don't build PIC code + command="$base_compile $qsrcfile$pie_flag" + else + command="$base_compile $qsrcfile $pic_flag" + fi + if test "$compiler_c_o" = yes; then + func_append command " -o $obj" + fi + + # Suppress compiler output if we already did a PIC compilation. + func_append command "$suppress_output" + func_show_eval_locale "$command" \ + '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' + + if test "$need_locks" = warn && + test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then + $ECHO "\ +*** ERROR, $lockfile contains: +`cat $lockfile 2>/dev/null` + +but it should contain: +$srcfile + +This indicates that another process is trying to use the same +temporary object file, and libtool could not work around it because +your compiler does not support \`-c' and \`-o' together. If you +repeat this compilation, it may succeed, by chance, but you had better +avoid parallel builds (make -j) in this platform, or get a better +compiler." + + $opt_dry_run || $RM $removelist + exit $EXIT_FAILURE + fi + + # Just move the object if needed + if test -n "$output_obj" && test "X$output_obj" != "X$obj"; then + func_show_eval '$MV "$output_obj" "$obj"' \ + 'error=$?; $opt_dry_run || $RM $removelist; exit $error' + fi + fi + + $opt_dry_run || { + func_write_libtool_object "$libobj" "$objdir/$objname" "$objname" + + # Unlock the critical section if it was locked + if test "$need_locks" != no; then + removelist=$lockfile + $RM "$lockfile" + fi + } + + exit $EXIT_SUCCESS +} + +$opt_help || { + test "$opt_mode" = compile && func_mode_compile ${1+"$@"} +} + +func_mode_help () +{ + # We need to display help for each of the modes. + case $opt_mode in + "") + # Generic help is extracted from the usage comments + # at the start of this file. + func_help + ;; + + clean) + $ECHO \ +"Usage: $progname [OPTION]... --mode=clean RM [RM-OPTION]... FILE... + +Remove files from the build directory. + +RM is the name of the program to use to delete files associated with each FILE +(typically \`/bin/rm'). RM-OPTIONS are options (such as \`-f') to be passed +to RM. + +If FILE is a libtool library, object or program, all the files associated +with it are deleted. Otherwise, only FILE itself is deleted using RM." + ;; + + compile) + $ECHO \ +"Usage: $progname [OPTION]... --mode=compile COMPILE-COMMAND... SOURCEFILE + +Compile a source file into a libtool library object. + +This mode accepts the following additional options: + + -o OUTPUT-FILE set the output file name to OUTPUT-FILE + -no-suppress do not suppress compiler output for multiple passes + -prefer-pic try to build PIC objects only + -prefer-non-pic try to build non-PIC objects only + -shared do not build a \`.o' file suitable for static linking + -static only build a \`.o' file suitable for static linking + -Wc,FLAG pass FLAG directly to the compiler + +COMPILE-COMMAND is a command to be used in creating a \`standard' object file +from the given SOURCEFILE. + +The output file name is determined by removing the directory component from +SOURCEFILE, then substituting the C source code suffix \`.c' with the +library object suffix, \`.lo'." + ;; + + execute) + $ECHO \ +"Usage: $progname [OPTION]... --mode=execute COMMAND [ARGS]... + +Automatically set library path, then run a program. + +This mode accepts the following additional options: + + -dlopen FILE add the directory containing FILE to the library path + +This mode sets the library path environment variable according to \`-dlopen' +flags. + +If any of the ARGS are libtool executable wrappers, then they are translated +into their corresponding uninstalled binary, and any of their required library +directories are added to the library path. + +Then, COMMAND is executed, with ARGS as arguments." + ;; + + finish) + $ECHO \ +"Usage: $progname [OPTION]... --mode=finish [LIBDIR]... + +Complete the installation of libtool libraries. + +Each LIBDIR is a directory that contains libtool libraries. + +The commands that this mode executes may require superuser privileges. Use +the \`--dry-run' option if you just want to see what would be executed." + ;; + + install) + $ECHO \ +"Usage: $progname [OPTION]... --mode=install INSTALL-COMMAND... + +Install executables or libraries. + +INSTALL-COMMAND is the installation command. The first component should be +either the \`install' or \`cp' program. + +The following components of INSTALL-COMMAND are treated specially: + + -inst-prefix-dir PREFIX-DIR Use PREFIX-DIR as a staging area for installation + +The rest of the components are interpreted as arguments to that command (only +BSD-compatible install options are recognized)." + ;; + + link) + $ECHO \ +"Usage: $progname [OPTION]... --mode=link LINK-COMMAND... + +Link object files or libraries together to form another library, or to +create an executable program. + +LINK-COMMAND is a command using the C compiler that you would use to create +a program from several object files. + +The following components of LINK-COMMAND are treated specially: + + -all-static do not do any dynamic linking at all + -avoid-version do not add a version suffix if possible + -bindir BINDIR specify path to binaries directory (for systems where + libraries must be found in the PATH setting at runtime) + -dlopen FILE \`-dlpreopen' FILE if it cannot be dlopened at runtime + -dlpreopen FILE link in FILE and add its symbols to lt_preloaded_symbols + -export-dynamic allow symbols from OUTPUT-FILE to be resolved with dlsym(3) + -export-symbols SYMFILE + try to export only the symbols listed in SYMFILE + -export-symbols-regex REGEX + try to export only the symbols matching REGEX + -LLIBDIR search LIBDIR for required installed libraries + -lNAME OUTPUT-FILE requires the installed library libNAME + -module build a library that can dlopened + -no-fast-install disable the fast-install mode + -no-install link a not-installable executable + -no-undefined declare that a library does not refer to external symbols + -o OUTPUT-FILE create OUTPUT-FILE from the specified objects + -objectlist FILE Use a list of object files found in FILE to specify objects + -precious-files-regex REGEX + don't remove output files matching REGEX + -release RELEASE specify package release information + -rpath LIBDIR the created library will eventually be installed in LIBDIR + -R[ ]LIBDIR add LIBDIR to the runtime path of programs and libraries + -shared only do dynamic linking of libtool libraries + -shrext SUFFIX override the standard shared library file extension + -static do not do any dynamic linking of uninstalled libtool libraries + -static-libtool-libs + do not do any dynamic linking of libtool libraries + -version-info CURRENT[:REVISION[:AGE]] + specify library version info [each variable defaults to 0] + -weak LIBNAME declare that the target provides the LIBNAME interface + -Wc,FLAG + -Xcompiler FLAG pass linker-specific FLAG directly to the compiler + -Wl,FLAG + -Xlinker FLAG pass linker-specific FLAG directly to the linker + -XCClinker FLAG pass link-specific FLAG to the compiler driver (CC) + +All other options (arguments beginning with \`-') are ignored. + +Every other argument is treated as a filename. Files ending in \`.la' are +treated as uninstalled libtool libraries, other files are standard or library +object files. + +If the OUTPUT-FILE ends in \`.la', then a libtool library is created, +only library objects (\`.lo' files) may be specified, and \`-rpath' is +required, except when creating a convenience library. + +If OUTPUT-FILE ends in \`.a' or \`.lib', then a standard library is created +using \`ar' and \`ranlib', or on Windows using \`lib'. + +If OUTPUT-FILE ends in \`.lo' or \`.${objext}', then a reloadable object file +is created, otherwise an executable program is created." + ;; + + uninstall) + $ECHO \ +"Usage: $progname [OPTION]... --mode=uninstall RM [RM-OPTION]... FILE... + +Remove libraries from an installation directory. + +RM is the name of the program to use to delete files associated with each FILE +(typically \`/bin/rm'). RM-OPTIONS are options (such as \`-f') to be passed +to RM. + +If FILE is a libtool library, all the files associated with it are deleted. +Otherwise, only FILE itself is deleted using RM." + ;; + + *) + func_fatal_help "invalid operation mode \`$opt_mode'" + ;; + esac + + echo + $ECHO "Try \`$progname --help' for more information about other modes." +} + +# Now that we've collected a possible --mode arg, show help if necessary +if $opt_help; then + if test "$opt_help" = :; then + func_mode_help + else + { + func_help noexit + for opt_mode in compile link execute install finish uninstall clean; do + func_mode_help + done + } | sed -n '1p; 2,$s/^Usage:/ or: /p' + { + func_help noexit + for opt_mode in compile link execute install finish uninstall clean; do + echo + func_mode_help + done + } | + sed '1d + /^When reporting/,/^Report/{ + H + d + } + $x + /information about other modes/d + /more detailed .*MODE/d + s/^Usage:.*--mode=\([^ ]*\) .*/Description of \1 mode:/' + fi + exit $? +fi + + +# func_mode_execute arg... +func_mode_execute () +{ + $opt_debug + # The first argument is the command name. + cmd="$nonopt" + test -z "$cmd" && \ + func_fatal_help "you must specify a COMMAND" + + # Handle -dlopen flags immediately. + for file in $opt_dlopen; do + test -f "$file" \ + || func_fatal_help "\`$file' is not a file" + + dir= + case $file in + *.la) + func_resolve_sysroot "$file" + file=$func_resolve_sysroot_result + + # Check to see that this really is a libtool archive. + func_lalib_unsafe_p "$file" \ + || func_fatal_help "\`$lib' is not a valid libtool archive" + + # Read the libtool library. + dlname= + library_names= + func_source "$file" + + # Skip this library if it cannot be dlopened. + if test -z "$dlname"; then + # Warn if it was a shared library. + test -n "$library_names" && \ + func_warning "\`$file' was not linked with \`-export-dynamic'" + continue + fi + + func_dirname "$file" "" "." + dir="$func_dirname_result" + + if test -f "$dir/$objdir/$dlname"; then + func_append dir "/$objdir" + else + if test ! -f "$dir/$dlname"; then + func_fatal_error "cannot find \`$dlname' in \`$dir' or \`$dir/$objdir'" + fi + fi + ;; + + *.lo) + # Just add the directory containing the .lo file. + func_dirname "$file" "" "." + dir="$func_dirname_result" + ;; + + *) + func_warning "\`-dlopen' is ignored for non-libtool libraries and objects" + continue + ;; + esac + + # Get the absolute pathname. + absdir=`cd "$dir" && pwd` + test -n "$absdir" && dir="$absdir" + + # Now add the directory to shlibpath_var. + if eval "test -z \"\$$shlibpath_var\""; then + eval "$shlibpath_var=\"\$dir\"" + else + eval "$shlibpath_var=\"\$dir:\$$shlibpath_var\"" + fi + done + + # This variable tells wrapper scripts just to set shlibpath_var + # rather than running their programs. + libtool_execute_magic="$magic" + + # Check if any of the arguments is a wrapper script. + args= + for file + do + case $file in + -* | *.la | *.lo ) ;; + *) + # Do a test to see if this is really a libtool program. + if func_ltwrapper_script_p "$file"; then + func_source "$file" + # Transform arg to wrapped name. + file="$progdir/$program" + elif func_ltwrapper_executable_p "$file"; then + func_ltwrapper_scriptname "$file" + func_source "$func_ltwrapper_scriptname_result" + # Transform arg to wrapped name. + file="$progdir/$program" + fi + ;; + esac + # Quote arguments (to preserve shell metacharacters). + func_append_quoted args "$file" + done + + if test "X$opt_dry_run" = Xfalse; then + if test -n "$shlibpath_var"; then + # Export the shlibpath_var. + eval "export $shlibpath_var" + fi + + # Restore saved environment variables + for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES + do + eval "if test \"\${save_$lt_var+set}\" = set; then + $lt_var=\$save_$lt_var; export $lt_var + else + $lt_unset $lt_var + fi" + done + + # Now prepare to actually exec the command. + exec_cmd="\$cmd$args" + else + # Display what would be done. + if test -n "$shlibpath_var"; then + eval "\$ECHO \"\$shlibpath_var=\$$shlibpath_var\"" + echo "export $shlibpath_var" + fi + $ECHO "$cmd$args" + exit $EXIT_SUCCESS + fi +} + +test "$opt_mode" = execute && func_mode_execute ${1+"$@"} + + +# func_mode_finish arg... +func_mode_finish () +{ + $opt_debug + libs= + libdirs= + admincmds= + + for opt in "$nonopt" ${1+"$@"} + do + if test -d "$opt"; then + func_append libdirs " $opt" + + elif test -f "$opt"; then + if func_lalib_unsafe_p "$opt"; then + func_append libs " $opt" + else + func_warning "\`$opt' is not a valid libtool archive" + fi + + else + func_fatal_error "invalid argument \`$opt'" + fi + done + + if test -n "$libs"; then + if test -n "$lt_sysroot"; then + sysroot_regex=`$ECHO "$lt_sysroot" | $SED "$sed_make_literal_regex"` + sysroot_cmd="s/\([ ']\)$sysroot_regex/\1/g;" + else + sysroot_cmd= + fi + + # Remove sysroot references + if $opt_dry_run; then + for lib in $libs; do + echo "removing references to $lt_sysroot and \`=' prefixes from $lib" + done + else + tmpdir=`func_mktempdir` + for lib in $libs; do + sed -e "${sysroot_cmd} s/\([ ']-[LR]\)=/\1/g; s/\([ ']\)=/\1/g" $lib \ + > $tmpdir/tmp-la + mv -f $tmpdir/tmp-la $lib + done + ${RM}r "$tmpdir" + fi + fi + + if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then + for libdir in $libdirs; do + if test -n "$finish_cmds"; then + # Do each command in the finish commands. + func_execute_cmds "$finish_cmds" 'admincmds="$admincmds +'"$cmd"'"' + fi + if test -n "$finish_eval"; then + # Do the single finish_eval. + eval cmds=\"$finish_eval\" + $opt_dry_run || eval "$cmds" || func_append admincmds " + $cmds" + fi + done + fi + + # Exit here if they wanted silent mode. + $opt_silent && exit $EXIT_SUCCESS + + if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then + echo "----------------------------------------------------------------------" + echo "Libraries have been installed in:" + for libdir in $libdirs; do + $ECHO " $libdir" + done + echo + echo "If you ever happen to want to link against installed libraries" + echo "in a given directory, LIBDIR, you must either use libtool, and" + echo "specify the full pathname of the library, or use the \`-LLIBDIR'" + echo "flag during linking and do at least one of the following:" + if test -n "$shlibpath_var"; then + echo " - add LIBDIR to the \`$shlibpath_var' environment variable" + echo " during execution" + fi + if test -n "$runpath_var"; then + echo " - add LIBDIR to the \`$runpath_var' environment variable" + echo " during linking" + fi + if test -n "$hardcode_libdir_flag_spec"; then + libdir=LIBDIR + eval flag=\"$hardcode_libdir_flag_spec\" + + $ECHO " - use the \`$flag' linker flag" + fi + if test -n "$admincmds"; then + $ECHO " - have your system administrator run these commands:$admincmds" + fi + if test -f /etc/ld.so.conf; then + echo " - have your system administrator add LIBDIR to \`/etc/ld.so.conf'" + fi + echo + + echo "See any operating system documentation about shared libraries for" + case $host in + solaris2.[6789]|solaris2.1[0-9]) + echo "more information, such as the ld(1), crle(1) and ld.so(8) manual" + echo "pages." + ;; + *) + echo "more information, such as the ld(1) and ld.so(8) manual pages." + ;; + esac + echo "----------------------------------------------------------------------" + fi + exit $EXIT_SUCCESS +} + +test "$opt_mode" = finish && func_mode_finish ${1+"$@"} + + +# func_mode_install arg... +func_mode_install () +{ + $opt_debug + # There may be an optional sh(1) argument at the beginning of + # install_prog (especially on Windows NT). + if test "$nonopt" = "$SHELL" || test "$nonopt" = /bin/sh || + # Allow the use of GNU shtool's install command. + case $nonopt in *shtool*) :;; *) false;; esac; then + # Aesthetically quote it. + func_quote_for_eval "$nonopt" + install_prog="$func_quote_for_eval_result " + arg=$1 + shift + else + install_prog= + arg=$nonopt + fi + + # The real first argument should be the name of the installation program. + # Aesthetically quote it. + func_quote_for_eval "$arg" + func_append install_prog "$func_quote_for_eval_result" + install_shared_prog=$install_prog + case " $install_prog " in + *[\\\ /]cp\ *) install_cp=: ;; + *) install_cp=false ;; + esac + + # We need to accept at least all the BSD install flags. + dest= + files= + opts= + prev= + install_type= + isdir=no + stripme= + no_mode=: + for arg + do + arg2= + if test -n "$dest"; then + func_append files " $dest" + dest=$arg + continue + fi + + case $arg in + -d) isdir=yes ;; + -f) + if $install_cp; then :; else + prev=$arg + fi + ;; + -g | -m | -o) + prev=$arg + ;; + -s) + stripme=" -s" + continue + ;; + -*) + ;; + *) + # If the previous option needed an argument, then skip it. + if test -n "$prev"; then + if test "x$prev" = x-m && test -n "$install_override_mode"; then + arg2=$install_override_mode + no_mode=false + fi + prev= + else + dest=$arg + continue + fi + ;; + esac + + # Aesthetically quote the argument. + func_quote_for_eval "$arg" + func_append install_prog " $func_quote_for_eval_result" + if test -n "$arg2"; then + func_quote_for_eval "$arg2" + fi + func_append install_shared_prog " $func_quote_for_eval_result" + done + + test -z "$install_prog" && \ + func_fatal_help "you must specify an install program" + + test -n "$prev" && \ + func_fatal_help "the \`$prev' option requires an argument" + + if test -n "$install_override_mode" && $no_mode; then + if $install_cp; then :; else + func_quote_for_eval "$install_override_mode" + func_append install_shared_prog " -m $func_quote_for_eval_result" + fi + fi + + if test -z "$files"; then + if test -z "$dest"; then + func_fatal_help "no file or destination specified" + else + func_fatal_help "you must specify a destination" + fi + fi + + # Strip any trailing slash from the destination. + func_stripname '' '/' "$dest" + dest=$func_stripname_result + + # Check to see that the destination is a directory. + test -d "$dest" && isdir=yes + if test "$isdir" = yes; then + destdir="$dest" + destname= + else + func_dirname_and_basename "$dest" "" "." + destdir="$func_dirname_result" + destname="$func_basename_result" + + # Not a directory, so check to see that there is only one file specified. + set dummy $files; shift + test "$#" -gt 1 && \ + func_fatal_help "\`$dest' is not a directory" + fi + case $destdir in + [\\/]* | [A-Za-z]:[\\/]*) ;; + *) + for file in $files; do + case $file in + *.lo) ;; + *) + func_fatal_help "\`$destdir' must be an absolute directory name" + ;; + esac + done + ;; + esac + + # This variable tells wrapper scripts just to set variables rather + # than running their programs. + libtool_install_magic="$magic" + + staticlibs= + future_libdirs= + current_libdirs= + for file in $files; do + + # Do each installation. + case $file in + *.$libext) + # Do the static libraries later. + func_append staticlibs " $file" + ;; + + *.la) + func_resolve_sysroot "$file" + file=$func_resolve_sysroot_result + + # Check to see that this really is a libtool archive. + func_lalib_unsafe_p "$file" \ + || func_fatal_help "\`$file' is not a valid libtool archive" + + library_names= + old_library= + relink_command= + func_source "$file" + + # Add the libdir to current_libdirs if it is the destination. + if test "X$destdir" = "X$libdir"; then + case "$current_libdirs " in + *" $libdir "*) ;; + *) func_append current_libdirs " $libdir" ;; + esac + else + # Note the libdir as a future libdir. + case "$future_libdirs " in + *" $libdir "*) ;; + *) func_append future_libdirs " $libdir" ;; + esac + fi + + func_dirname "$file" "/" "" + dir="$func_dirname_result" + func_append dir "$objdir" + + if test -n "$relink_command"; then + # Determine the prefix the user has applied to our future dir. + inst_prefix_dir=`$ECHO "$destdir" | $SED -e "s%$libdir\$%%"` + + # Don't allow the user to place us outside of our expected + # location b/c this prevents finding dependent libraries that + # are installed to the same prefix. + # At present, this check doesn't affect windows .dll's that + # are installed into $libdir/../bin (currently, that works fine) + # but it's something to keep an eye on. + test "$inst_prefix_dir" = "$destdir" && \ + func_fatal_error "error: cannot install \`$file' to a directory not ending in $libdir" + + if test -n "$inst_prefix_dir"; then + # Stick the inst_prefix_dir data into the link command. + relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%-inst-prefix-dir $inst_prefix_dir%"` + else + relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%%"` + fi + + func_warning "relinking \`$file'" + func_show_eval "$relink_command" \ + 'func_fatal_error "error: relink \`$file'\'' with the above command before installing it"' + fi + + # See the names of the shared library. + set dummy $library_names; shift + if test -n "$1"; then + realname="$1" + shift + + srcname="$realname" + test -n "$relink_command" && srcname="$realname"T + + # Install the shared library and build the symlinks. + func_show_eval "$install_shared_prog $dir/$srcname $destdir/$realname" \ + 'exit $?' + tstripme="$stripme" + case $host_os in + cygwin* | mingw* | pw32* | cegcc*) + case $realname in + *.dll.a) + tstripme="" + ;; + esac + ;; + esac + if test -n "$tstripme" && test -n "$striplib"; then + func_show_eval "$striplib $destdir/$realname" 'exit $?' + fi + + if test "$#" -gt 0; then + # Delete the old symlinks, and create new ones. + # Try `ln -sf' first, because the `ln' binary might depend on + # the symlink we replace! Solaris /bin/ln does not understand -f, + # so we also need to try rm && ln -s. + for linkname + do + test "$linkname" != "$realname" \ + && func_show_eval "(cd $destdir && { $LN_S -f $realname $linkname || { $RM $linkname && $LN_S $realname $linkname; }; })" + done + fi + + # Do each command in the postinstall commands. + lib="$destdir/$realname" + func_execute_cmds "$postinstall_cmds" 'exit $?' + fi + + # Install the pseudo-library for information purposes. + func_basename "$file" + name="$func_basename_result" + instname="$dir/$name"i + func_show_eval "$install_prog $instname $destdir/$name" 'exit $?' + + # Maybe install the static library, too. + test -n "$old_library" && func_append staticlibs " $dir/$old_library" + ;; + + *.lo) + # Install (i.e. copy) a libtool object. + + # Figure out destination file name, if it wasn't already specified. + if test -n "$destname"; then + destfile="$destdir/$destname" + else + func_basename "$file" + destfile="$func_basename_result" + destfile="$destdir/$destfile" + fi + + # Deduce the name of the destination old-style object file. + case $destfile in + *.lo) + func_lo2o "$destfile" + staticdest=$func_lo2o_result + ;; + *.$objext) + staticdest="$destfile" + destfile= + ;; + *) + func_fatal_help "cannot copy a libtool object to \`$destfile'" + ;; + esac + + # Install the libtool object if requested. + test -n "$destfile" && \ + func_show_eval "$install_prog $file $destfile" 'exit $?' + + # Install the old object if enabled. + if test "$build_old_libs" = yes; then + # Deduce the name of the old-style object file. + func_lo2o "$file" + staticobj=$func_lo2o_result + func_show_eval "$install_prog \$staticobj \$staticdest" 'exit $?' + fi + exit $EXIT_SUCCESS + ;; + + *) + # Figure out destination file name, if it wasn't already specified. + if test -n "$destname"; then + destfile="$destdir/$destname" + else + func_basename "$file" + destfile="$func_basename_result" + destfile="$destdir/$destfile" + fi + + # If the file is missing, and there is a .exe on the end, strip it + # because it is most likely a libtool script we actually want to + # install + stripped_ext="" + case $file in + *.exe) + if test ! -f "$file"; then + func_stripname '' '.exe' "$file" + file=$func_stripname_result + stripped_ext=".exe" + fi + ;; + esac + + # Do a test to see if this is really a libtool program. + case $host in + *cygwin* | *mingw*) + if func_ltwrapper_executable_p "$file"; then + func_ltwrapper_scriptname "$file" + wrapper=$func_ltwrapper_scriptname_result + else + func_stripname '' '.exe' "$file" + wrapper=$func_stripname_result + fi + ;; + *) + wrapper=$file + ;; + esac + if func_ltwrapper_script_p "$wrapper"; then + notinst_deplibs= + relink_command= + + func_source "$wrapper" + + # Check the variables that should have been set. + test -z "$generated_by_libtool_version" && \ + func_fatal_error "invalid libtool wrapper script \`$wrapper'" + + finalize=yes + for lib in $notinst_deplibs; do + # Check to see that each library is installed. + libdir= + if test -f "$lib"; then + func_source "$lib" + fi + libfile="$libdir/"`$ECHO "$lib" | $SED 's%^.*/%%g'` ### testsuite: skip nested quoting test + if test -n "$libdir" && test ! -f "$libfile"; then + func_warning "\`$lib' has not been installed in \`$libdir'" + finalize=no + fi + done + + relink_command= + func_source "$wrapper" + + outputname= + if test "$fast_install" = no && test -n "$relink_command"; then + $opt_dry_run || { + if test "$finalize" = yes; then + tmpdir=`func_mktempdir` + func_basename "$file$stripped_ext" + file="$func_basename_result" + outputname="$tmpdir/$file" + # Replace the output file specification. + relink_command=`$ECHO "$relink_command" | $SED 's%@OUTPUT@%'"$outputname"'%g'` + + $opt_silent || { + func_quote_for_expand "$relink_command" + eval "func_echo $func_quote_for_expand_result" + } + if eval "$relink_command"; then : + else + func_error "error: relink \`$file' with the above command before installing it" + $opt_dry_run || ${RM}r "$tmpdir" + continue + fi + file="$outputname" + else + func_warning "cannot relink \`$file'" + fi + } + else + # Install the binary that we compiled earlier. + file=`$ECHO "$file$stripped_ext" | $SED "s%\([^/]*\)$%$objdir/\1%"` + fi + fi + + # remove .exe since cygwin /usr/bin/install will append another + # one anyway + case $install_prog,$host in + */usr/bin/install*,*cygwin*) + case $file:$destfile in + *.exe:*.exe) + # this is ok + ;; + *.exe:*) + destfile=$destfile.exe + ;; + *:*.exe) + func_stripname '' '.exe' "$destfile" + destfile=$func_stripname_result + ;; + esac + ;; + esac + func_show_eval "$install_prog\$stripme \$file \$destfile" 'exit $?' + $opt_dry_run || if test -n "$outputname"; then + ${RM}r "$tmpdir" + fi + ;; + esac + done + + for file in $staticlibs; do + func_basename "$file" + name="$func_basename_result" + + # Set up the ranlib parameters. + oldlib="$destdir/$name" + + func_show_eval "$install_prog \$file \$oldlib" 'exit $?' + + if test -n "$stripme" && test -n "$old_striplib"; then + func_show_eval "$old_striplib $oldlib" 'exit $?' + fi + + # Do each command in the postinstall commands. + func_execute_cmds "$old_postinstall_cmds" 'exit $?' + done + + test -n "$future_libdirs" && \ + func_warning "remember to run \`$progname --finish$future_libdirs'" + + if test -n "$current_libdirs"; then + # Maybe just do a dry run. + $opt_dry_run && current_libdirs=" -n$current_libdirs" + exec_cmd='$SHELL $progpath $preserve_args --finish$current_libdirs' + else + exit $EXIT_SUCCESS + fi +} + +test "$opt_mode" = install && func_mode_install ${1+"$@"} + + +# func_generate_dlsyms outputname originator pic_p +# Extract symbols from dlprefiles and create ${outputname}S.o with +# a dlpreopen symbol table. +func_generate_dlsyms () +{ + $opt_debug + my_outputname="$1" + my_originator="$2" + my_pic_p="${3-no}" + my_prefix=`$ECHO "$my_originator" | sed 's%[^a-zA-Z0-9]%_%g'` + my_dlsyms= + + if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then + if test -n "$NM" && test -n "$global_symbol_pipe"; then + my_dlsyms="${my_outputname}S.c" + else + func_error "not configured to extract global symbols from dlpreopened files" + fi + fi + + if test -n "$my_dlsyms"; then + case $my_dlsyms in + "") ;; + *.c) + # Discover the nlist of each of the dlfiles. + nlist="$output_objdir/${my_outputname}.nm" + + func_show_eval "$RM $nlist ${nlist}S ${nlist}T" + + # Parse the name list into a source file. + func_verbose "creating $output_objdir/$my_dlsyms" + + $opt_dry_run || $ECHO > "$output_objdir/$my_dlsyms" "\ +/* $my_dlsyms - symbol resolution table for \`$my_outputname' dlsym emulation. */ +/* Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION */ + +#ifdef __cplusplus +extern \"C\" { +#endif + +#if defined(__GNUC__) && (((__GNUC__ == 4) && (__GNUC_MINOR__ >= 4)) || (__GNUC__ > 4)) +#pragma GCC diagnostic ignored \"-Wstrict-prototypes\" +#endif + +/* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ +#if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE) +/* DATA imports from DLLs on WIN32 con't be const, because runtime + relocations are performed -- see ld's documentation on pseudo-relocs. */ +# define LT_DLSYM_CONST +#elif defined(__osf__) +/* This system does not cope well with relocations in const data. */ +# define LT_DLSYM_CONST +#else +# define LT_DLSYM_CONST const +#endif + +/* External symbol declarations for the compiler. */\ +" + + if test "$dlself" = yes; then + func_verbose "generating symbol list for \`$output'" + + $opt_dry_run || echo ': @PROGRAM@ ' > "$nlist" + + # Add our own program objects to the symbol list. + progfiles=`$ECHO "$objs$old_deplibs" | $SP2NL | $SED "$lo2o" | $NL2SP` + for progfile in $progfiles; do + func_to_tool_file "$progfile" func_convert_file_msys_to_w32 + func_verbose "extracting global C symbols from \`$func_to_tool_file_result'" + $opt_dry_run || eval "$NM $func_to_tool_file_result | $global_symbol_pipe >> '$nlist'" + done + + if test -n "$exclude_expsyms"; then + $opt_dry_run || { + eval '$EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T' + eval '$MV "$nlist"T "$nlist"' + } + fi + + if test -n "$export_symbols_regex"; then + $opt_dry_run || { + eval '$EGREP -e "$export_symbols_regex" "$nlist" > "$nlist"T' + eval '$MV "$nlist"T "$nlist"' + } + fi + + # Prepare the list of exported symbols + if test -z "$export_symbols"; then + export_symbols="$output_objdir/$outputname.exp" + $opt_dry_run || { + $RM $export_symbols + eval "${SED} -n -e '/^: @PROGRAM@ $/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"' + case $host in + *cygwin* | *mingw* | *cegcc* ) + eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' + eval 'cat "$export_symbols" >> "$output_objdir/$outputname.def"' + ;; + esac + } + else + $opt_dry_run || { + eval "${SED} -e 's/\([].[*^$]\)/\\\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$outputname.exp"' + eval '$GREP -f "$output_objdir/$outputname.exp" < "$nlist" > "$nlist"T' + eval '$MV "$nlist"T "$nlist"' + case $host in + *cygwin* | *mingw* | *cegcc* ) + eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' + eval 'cat "$nlist" >> "$output_objdir/$outputname.def"' + ;; + esac + } + fi + fi + + for dlprefile in $dlprefiles; do + func_verbose "extracting global C symbols from \`$dlprefile'" + func_basename "$dlprefile" + name="$func_basename_result" + case $host in + *cygwin* | *mingw* | *cegcc* ) + # if an import library, we need to obtain dlname + if func_win32_import_lib_p "$dlprefile"; then + func_tr_sh "$dlprefile" + eval "curr_lafile=\$libfile_$func_tr_sh_result" + dlprefile_dlbasename="" + if test -n "$curr_lafile" && func_lalib_p "$curr_lafile"; then + # Use subshell, to avoid clobbering current variable values + dlprefile_dlname=`source "$curr_lafile" && echo "$dlname"` + if test -n "$dlprefile_dlname" ; then + func_basename "$dlprefile_dlname" + dlprefile_dlbasename="$func_basename_result" + else + # no lafile. user explicitly requested -dlpreopen . + $sharedlib_from_linklib_cmd "$dlprefile" + dlprefile_dlbasename=$sharedlib_from_linklib_result + fi + fi + $opt_dry_run || { + if test -n "$dlprefile_dlbasename" ; then + eval '$ECHO ": $dlprefile_dlbasename" >> "$nlist"' + else + func_warning "Could not compute DLL name from $name" + eval '$ECHO ": $name " >> "$nlist"' + fi + func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 + eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe | + $SED -e '/I __imp/d' -e 's/I __nm_/D /;s/_nm__//' >> '$nlist'" + } + else # not an import lib + $opt_dry_run || { + eval '$ECHO ": $name " >> "$nlist"' + func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 + eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'" + } + fi + ;; + *) + $opt_dry_run || { + eval '$ECHO ": $name " >> "$nlist"' + func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 + eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'" + } + ;; + esac + done + + $opt_dry_run || { + # Make sure we have at least an empty file. + test -f "$nlist" || : > "$nlist" + + if test -n "$exclude_expsyms"; then + $EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T + $MV "$nlist"T "$nlist" + fi + + # Try sorting and uniquifying the output. + if $GREP -v "^: " < "$nlist" | + if sort -k 3 /dev/null 2>&1; then + sort -k 3 + else + sort +2 + fi | + uniq > "$nlist"S; then + : + else + $GREP -v "^: " < "$nlist" > "$nlist"S + fi + + if test -f "$nlist"S; then + eval "$global_symbol_to_cdecl"' < "$nlist"S >> "$output_objdir/$my_dlsyms"' + else + echo '/* NONE */' >> "$output_objdir/$my_dlsyms" + fi + + echo >> "$output_objdir/$my_dlsyms" "\ + +/* The mapping between symbol names and symbols. */ +typedef struct { + const char *name; + void *address; +} lt_dlsymlist; +extern LT_DLSYM_CONST lt_dlsymlist +lt_${my_prefix}_LTX_preloaded_symbols[]; +LT_DLSYM_CONST lt_dlsymlist +lt_${my_prefix}_LTX_preloaded_symbols[] = +{\ + { \"$my_originator\", (void *) 0 }," + + case $need_lib_prefix in + no) + eval "$global_symbol_to_c_name_address" < "$nlist" >> "$output_objdir/$my_dlsyms" + ;; + *) + eval "$global_symbol_to_c_name_address_lib_prefix" < "$nlist" >> "$output_objdir/$my_dlsyms" + ;; + esac + echo >> "$output_objdir/$my_dlsyms" "\ + {0, (void *) 0} +}; + +/* This works around a problem in FreeBSD linker */ +#ifdef FREEBSD_WORKAROUND +static const void *lt_preloaded_setup() { + return lt_${my_prefix}_LTX_preloaded_symbols; +} +#endif + +#ifdef __cplusplus +} +#endif\ +" + } # !$opt_dry_run + + pic_flag_for_symtable= + case "$compile_command " in + *" -static "*) ;; + *) + case $host in + # compiling the symbol table file with pic_flag works around + # a FreeBSD bug that causes programs to crash when -lm is + # linked before any other PIC object. But we must not use + # pic_flag when linking with -static. The problem exists in + # FreeBSD 2.2.6 and is fixed in FreeBSD 3.1. + *-*-freebsd2*|*-*-freebsd3.0*|*-*-freebsdelf3.0*) + pic_flag_for_symtable=" $pic_flag -DFREEBSD_WORKAROUND" ;; + *-*-hpux*) + pic_flag_for_symtable=" $pic_flag" ;; + *) + if test "X$my_pic_p" != Xno; then + pic_flag_for_symtable=" $pic_flag" + fi + ;; + esac + ;; + esac + symtab_cflags= + for arg in $LTCFLAGS; do + case $arg in + -pie | -fpie | -fPIE) ;; + *) func_append symtab_cflags " $arg" ;; + esac + done + + # Now compile the dynamic symbol file. + func_show_eval '(cd $output_objdir && $LTCC$symtab_cflags -c$no_builtin_flag$pic_flag_for_symtable "$my_dlsyms")' 'exit $?' + + # Clean up the generated files. + func_show_eval '$RM "$output_objdir/$my_dlsyms" "$nlist" "${nlist}S" "${nlist}T"' + + # Transform the symbol file into the correct name. + symfileobj="$output_objdir/${my_outputname}S.$objext" + case $host in + *cygwin* | *mingw* | *cegcc* ) + if test -f "$output_objdir/$my_outputname.def"; then + compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` + finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` + else + compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"` + finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"` + fi + ;; + *) + compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"` + finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"` + ;; + esac + ;; + *) + func_fatal_error "unknown suffix for \`$my_dlsyms'" + ;; + esac + else + # We keep going just in case the user didn't refer to + # lt_preloaded_symbols. The linker will fail if global_symbol_pipe + # really was required. + + # Nullify the symbol file. + compile_command=`$ECHO "$compile_command" | $SED "s% @SYMFILE@%%"` + finalize_command=`$ECHO "$finalize_command" | $SED "s% @SYMFILE@%%"` + fi +} + +# func_win32_libid arg +# return the library type of file 'arg' +# +# Need a lot of goo to handle *both* DLLs and import libs +# Has to be a shell function in order to 'eat' the argument +# that is supplied when $file_magic_command is called. +# Despite the name, also deal with 64 bit binaries. +func_win32_libid () +{ + $opt_debug + win32_libid_type="unknown" + win32_fileres=`file -L $1 2>/dev/null` + case $win32_fileres in + *ar\ archive\ import\ library*) # definitely import + win32_libid_type="x86 archive import" + ;; + *ar\ archive*) # could be an import, or static + # Keep the egrep pattern in sync with the one in _LT_CHECK_MAGIC_METHOD. + if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null | + $EGREP 'file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' >/dev/null; then + func_to_tool_file "$1" func_convert_file_msys_to_w32 + win32_nmres=`eval $NM -f posix -A \"$func_to_tool_file_result\" | + $SED -n -e ' + 1,100{ + / I /{ + s,.*,import, + p + q + } + }'` + case $win32_nmres in + import*) win32_libid_type="x86 archive import";; + *) win32_libid_type="x86 archive static";; + esac + fi + ;; + *DLL*) + win32_libid_type="x86 DLL" + ;; + *executable*) # but shell scripts are "executable" too... + case $win32_fileres in + *MS\ Windows\ PE\ Intel*) + win32_libid_type="x86 DLL" + ;; + esac + ;; + esac + $ECHO "$win32_libid_type" +} + +# func_cygming_dll_for_implib ARG +# +# Platform-specific function to extract the +# name of the DLL associated with the specified +# import library ARG. +# Invoked by eval'ing the libtool variable +# $sharedlib_from_linklib_cmd +# Result is available in the variable +# $sharedlib_from_linklib_result +func_cygming_dll_for_implib () +{ + $opt_debug + sharedlib_from_linklib_result=`$DLLTOOL --identify-strict --identify "$1"` +} + +# func_cygming_dll_for_implib_fallback_core SECTION_NAME LIBNAMEs +# +# The is the core of a fallback implementation of a +# platform-specific function to extract the name of the +# DLL associated with the specified import library LIBNAME. +# +# SECTION_NAME is either .idata$6 or .idata$7, depending +# on the platform and compiler that created the implib. +# +# Echos the name of the DLL associated with the +# specified import library. +func_cygming_dll_for_implib_fallback_core () +{ + $opt_debug + match_literal=`$ECHO "$1" | $SED "$sed_make_literal_regex"` + $OBJDUMP -s --section "$1" "$2" 2>/dev/null | + $SED '/^Contents of section '"$match_literal"':/{ + # Place marker at beginning of archive member dllname section + s/.*/====MARK====/ + p + d + } + # These lines can sometimes be longer than 43 characters, but + # are always uninteresting + /:[ ]*file format pe[i]\{,1\}-/d + /^In archive [^:]*:/d + # Ensure marker is printed + /^====MARK====/p + # Remove all lines with less than 43 characters + /^.\{43\}/!d + # From remaining lines, remove first 43 characters + s/^.\{43\}//' | + $SED -n ' + # Join marker and all lines until next marker into a single line + /^====MARK====/ b para + H + $ b para + b + :para + x + s/\n//g + # Remove the marker + s/^====MARK====// + # Remove trailing dots and whitespace + s/[\. \t]*$// + # Print + /./p' | + # we now have a list, one entry per line, of the stringified + # contents of the appropriate section of all members of the + # archive which possess that section. Heuristic: eliminate + # all those which have a first or second character that is + # a '.' (that is, objdump's representation of an unprintable + # character.) This should work for all archives with less than + # 0x302f exports -- but will fail for DLLs whose name actually + # begins with a literal '.' or a single character followed by + # a '.'. + # + # Of those that remain, print the first one. + $SED -e '/^\./d;/^.\./d;q' +} + +# func_cygming_gnu_implib_p ARG +# This predicate returns with zero status (TRUE) if +# ARG is a GNU/binutils-style import library. Returns +# with nonzero status (FALSE) otherwise. +func_cygming_gnu_implib_p () +{ + $opt_debug + func_to_tool_file "$1" func_convert_file_msys_to_w32 + func_cygming_gnu_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $EGREP ' (_head_[A-Za-z0-9_]+_[ad]l*|[A-Za-z0-9_]+_[ad]l*_iname)$'` + test -n "$func_cygming_gnu_implib_tmp" +} + +# func_cygming_ms_implib_p ARG +# This predicate returns with zero status (TRUE) if +# ARG is an MS-style import library. Returns +# with nonzero status (FALSE) otherwise. +func_cygming_ms_implib_p () +{ + $opt_debug + func_to_tool_file "$1" func_convert_file_msys_to_w32 + func_cygming_ms_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $GREP '_NULL_IMPORT_DESCRIPTOR'` + test -n "$func_cygming_ms_implib_tmp" +} + +# func_cygming_dll_for_implib_fallback ARG +# Platform-specific function to extract the +# name of the DLL associated with the specified +# import library ARG. +# +# This fallback implementation is for use when $DLLTOOL +# does not support the --identify-strict option. +# Invoked by eval'ing the libtool variable +# $sharedlib_from_linklib_cmd +# Result is available in the variable +# $sharedlib_from_linklib_result +func_cygming_dll_for_implib_fallback () +{ + $opt_debug + if func_cygming_gnu_implib_p "$1" ; then + # binutils import library + sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$7' "$1"` + elif func_cygming_ms_implib_p "$1" ; then + # ms-generated import library + sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$6' "$1"` + else + # unknown + sharedlib_from_linklib_result="" + fi +} + + +# func_extract_an_archive dir oldlib +func_extract_an_archive () +{ + $opt_debug + f_ex_an_ar_dir="$1"; shift + f_ex_an_ar_oldlib="$1" + if test "$lock_old_archive_extraction" = yes; then + lockfile=$f_ex_an_ar_oldlib.lock + until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do + func_echo "Waiting for $lockfile to be removed" + sleep 2 + done + fi + func_show_eval "(cd \$f_ex_an_ar_dir && $AR x \"\$f_ex_an_ar_oldlib\")" \ + 'stat=$?; rm -f "$lockfile"; exit $stat' + if test "$lock_old_archive_extraction" = yes; then + $opt_dry_run || rm -f "$lockfile" + fi + if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then + : + else + func_fatal_error "object name conflicts in archive: $f_ex_an_ar_dir/$f_ex_an_ar_oldlib" + fi +} + + +# func_extract_archives gentop oldlib ... +func_extract_archives () +{ + $opt_debug + my_gentop="$1"; shift + my_oldlibs=${1+"$@"} + my_oldobjs="" + my_xlib="" + my_xabs="" + my_xdir="" + + for my_xlib in $my_oldlibs; do + # Extract the objects. + case $my_xlib in + [\\/]* | [A-Za-z]:[\\/]*) my_xabs="$my_xlib" ;; + *) my_xabs=`pwd`"/$my_xlib" ;; + esac + func_basename "$my_xlib" + my_xlib="$func_basename_result" + my_xlib_u=$my_xlib + while :; do + case " $extracted_archives " in + *" $my_xlib_u "*) + func_arith $extracted_serial + 1 + extracted_serial=$func_arith_result + my_xlib_u=lt$extracted_serial-$my_xlib ;; + *) break ;; + esac + done + extracted_archives="$extracted_archives $my_xlib_u" + my_xdir="$my_gentop/$my_xlib_u" + + func_mkdir_p "$my_xdir" + + case $host in + *-darwin*) + func_verbose "Extracting $my_xabs" + # Do not bother doing anything if just a dry run + $opt_dry_run || { + darwin_orig_dir=`pwd` + cd $my_xdir || exit $? + darwin_archive=$my_xabs + darwin_curdir=`pwd` + darwin_base_archive=`basename "$darwin_archive"` + darwin_arches=`$LIPO -info "$darwin_archive" 2>/dev/null | $GREP Architectures 2>/dev/null || true` + if test -n "$darwin_arches"; then + darwin_arches=`$ECHO "$darwin_arches" | $SED -e 's/.*are://'` + darwin_arch= + func_verbose "$darwin_base_archive has multiple architectures $darwin_arches" + for darwin_arch in $darwin_arches ; do + func_mkdir_p "unfat-$$/${darwin_base_archive}-${darwin_arch}" + $LIPO -thin $darwin_arch -output "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" "${darwin_archive}" + cd "unfat-$$/${darwin_base_archive}-${darwin_arch}" + func_extract_an_archive "`pwd`" "${darwin_base_archive}" + cd "$darwin_curdir" + $RM "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" + done # $darwin_arches + ## Okay now we've a bunch of thin objects, gotta fatten them up :) + darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print | $SED -e "$basename" | sort -u` + darwin_file= + darwin_files= + for darwin_file in $darwin_filelist; do + darwin_files=`find unfat-$$ -name $darwin_file -print | sort | $NL2SP` + $LIPO -create -output "$darwin_file" $darwin_files + done # $darwin_filelist + $RM -rf unfat-$$ + cd "$darwin_orig_dir" + else + cd $darwin_orig_dir + func_extract_an_archive "$my_xdir" "$my_xabs" + fi # $darwin_arches + } # !$opt_dry_run + ;; + *) + func_extract_an_archive "$my_xdir" "$my_xabs" + ;; + esac + my_oldobjs="$my_oldobjs "`find $my_xdir -name \*.$objext -print -o -name \*.lo -print | sort | $NL2SP` + done + + func_extract_archives_result="$my_oldobjs" +} + + +# func_emit_wrapper [arg=no] +# +# Emit a libtool wrapper script on stdout. +# Don't directly open a file because we may want to +# incorporate the script contents within a cygwin/mingw +# wrapper executable. Must ONLY be called from within +# func_mode_link because it depends on a number of variables +# set therein. +# +# ARG is the value that the WRAPPER_SCRIPT_BELONGS_IN_OBJDIR +# variable will take. If 'yes', then the emitted script +# will assume that the directory in which it is stored is +# the $objdir directory. This is a cygwin/mingw-specific +# behavior. +func_emit_wrapper () +{ + func_emit_wrapper_arg1=${1-no} + + $ECHO "\ +#! $SHELL + +# $output - temporary wrapper script for $objdir/$outputname +# Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION +# +# The $output program cannot be directly executed until all the libtool +# libraries that it depends on are installed. +# +# This wrapper script should never be moved out of the build directory. +# If it is, it will not operate correctly. + +# Sed substitution that helps us do robust quoting. It backslashifies +# metacharacters that are still active within double-quoted strings. +sed_quote_subst='$sed_quote_subst' + +# Be Bourne compatible +if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then + emulate sh + NULLCMD=: + # Zsh 3.x and 4.x performs word splitting on \${1+\"\$@\"}, which + # is contrary to our usage. Disable this feature. + alias -g '\${1+\"\$@\"}'='\"\$@\"' + setopt NO_GLOB_SUBST +else + case \`(set -o) 2>/dev/null\` in *posix*) set -o posix;; esac +fi +BIN_SH=xpg4; export BIN_SH # for Tru64 +DUALCASE=1; export DUALCASE # for MKS sh + +# The HP-UX ksh and POSIX shell print the target directory to stdout +# if CDPATH is set. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +relink_command=\"$relink_command\" + +# This environment variable determines our operation mode. +if test \"\$libtool_install_magic\" = \"$magic\"; then + # install mode needs the following variables: + generated_by_libtool_version='$macro_version' + notinst_deplibs='$notinst_deplibs' +else + # When we are sourced in execute mode, \$file and \$ECHO are already set. + if test \"\$libtool_execute_magic\" != \"$magic\"; then + file=\"\$0\"" + + qECHO=`$ECHO "$ECHO" | $SED "$sed_quote_subst"` + $ECHO "\ + +# A function that is used when there is no print builtin or printf. +func_fallback_echo () +{ + eval 'cat <<_LTECHO_EOF +\$1 +_LTECHO_EOF' +} + ECHO=\"$qECHO\" + fi + +# Very basic option parsing. These options are (a) specific to +# the libtool wrapper, (b) are identical between the wrapper +# /script/ and the wrapper /executable/ which is used only on +# windows platforms, and (c) all begin with the string "--lt-" +# (application programs are unlikely to have options which match +# this pattern). +# +# There are only two supported options: --lt-debug and +# --lt-dump-script. There is, deliberately, no --lt-help. +# +# The first argument to this parsing function should be the +# script's $0 value, followed by "$@". +lt_option_debug= +func_parse_lt_options () +{ + lt_script_arg0=\$0 + shift + for lt_opt + do + case \"\$lt_opt\" in + --lt-debug) lt_option_debug=1 ;; + --lt-dump-script) + lt_dump_D=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%/[^/]*$%%'\` + test \"X\$lt_dump_D\" = \"X\$lt_script_arg0\" && lt_dump_D=. + lt_dump_F=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%^.*/%%'\` + cat \"\$lt_dump_D/\$lt_dump_F\" + exit 0 + ;; + --lt-*) + \$ECHO \"Unrecognized --lt- option: '\$lt_opt'\" 1>&2 + exit 1 + ;; + esac + done + + # Print the debug banner immediately: + if test -n \"\$lt_option_debug\"; then + echo \"${outputname}:${output}:\${LINENO}: libtool wrapper (GNU $PACKAGE$TIMESTAMP) $VERSION\" 1>&2 + fi +} + +# Used when --lt-debug. Prints its arguments to stdout +# (redirection is the responsibility of the caller) +func_lt_dump_args () +{ + lt_dump_args_N=1; + for lt_arg + do + \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[\$lt_dump_args_N]: \$lt_arg\" + lt_dump_args_N=\`expr \$lt_dump_args_N + 1\` + done +} + +# Core function for launching the target application +func_exec_program_core () +{ +" + case $host in + # Backslashes separate directories on plain windows + *-*-mingw | *-*-os2* | *-cegcc*) + $ECHO "\ + if test -n \"\$lt_option_debug\"; then + \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[0]: \$progdir\\\\\$program\" 1>&2 + func_lt_dump_args \${1+\"\$@\"} 1>&2 + fi + exec \"\$progdir\\\\\$program\" \${1+\"\$@\"} +" + ;; + + *) + $ECHO "\ + if test -n \"\$lt_option_debug\"; then + \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[0]: \$progdir/\$program\" 1>&2 + func_lt_dump_args \${1+\"\$@\"} 1>&2 + fi + exec \"\$progdir/\$program\" \${1+\"\$@\"} +" + ;; + esac + $ECHO "\ + \$ECHO \"\$0: cannot exec \$program \$*\" 1>&2 + exit 1 +} + +# A function to encapsulate launching the target application +# Strips options in the --lt-* namespace from \$@ and +# launches target application with the remaining arguments. +func_exec_program () +{ + for lt_wr_arg + do + case \$lt_wr_arg in + --lt-*) ;; + *) set x \"\$@\" \"\$lt_wr_arg\"; shift;; + esac + shift + done + func_exec_program_core \${1+\"\$@\"} +} + + # Parse options + func_parse_lt_options \"\$0\" \${1+\"\$@\"} + + # Find the directory that this script lives in. + thisdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*$%%'\` + test \"x\$thisdir\" = \"x\$file\" && thisdir=. + + # Follow symbolic links until we get to the real thisdir. + file=\`ls -ld \"\$file\" | $SED -n 's/.*-> //p'\` + while test -n \"\$file\"; do + destdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*\$%%'\` + + # If there was a directory component, then change thisdir. + if test \"x\$destdir\" != \"x\$file\"; then + case \"\$destdir\" in + [\\\\/]* | [A-Za-z]:[\\\\/]*) thisdir=\"\$destdir\" ;; + *) thisdir=\"\$thisdir/\$destdir\" ;; + esac + fi + + file=\`\$ECHO \"\$file\" | $SED 's%^.*/%%'\` + file=\`ls -ld \"\$thisdir/\$file\" | $SED -n 's/.*-> //p'\` + done + + # Usually 'no', except on cygwin/mingw when embedded into + # the cwrapper. + WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=$func_emit_wrapper_arg1 + if test \"\$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR\" = \"yes\"; then + # special case for '.' + if test \"\$thisdir\" = \".\"; then + thisdir=\`pwd\` + fi + # remove .libs from thisdir + case \"\$thisdir\" in + *[\\\\/]$objdir ) thisdir=\`\$ECHO \"\$thisdir\" | $SED 's%[\\\\/][^\\\\/]*$%%'\` ;; + $objdir ) thisdir=. ;; + esac + fi + + # Try to get the absolute directory name. + absdir=\`cd \"\$thisdir\" && pwd\` + test -n \"\$absdir\" && thisdir=\"\$absdir\" +" + + if test "$fast_install" = yes; then + $ECHO "\ + program=lt-'$outputname'$exeext + progdir=\"\$thisdir/$objdir\" + + if test ! -f \"\$progdir/\$program\" || + { file=\`ls -1dt \"\$progdir/\$program\" \"\$progdir/../\$program\" 2>/dev/null | ${SED} 1q\`; \\ + test \"X\$file\" != \"X\$progdir/\$program\"; }; then + + file=\"\$\$-\$program\" + + if test ! -d \"\$progdir\"; then + $MKDIR \"\$progdir\" + else + $RM \"\$progdir/\$file\" + fi" + + $ECHO "\ + + # relink executable if necessary + if test -n \"\$relink_command\"; then + if relink_command_output=\`eval \$relink_command 2>&1\`; then : + else + $ECHO \"\$relink_command_output\" >&2 + $RM \"\$progdir/\$file\" + exit 1 + fi + fi + + $MV \"\$progdir/\$file\" \"\$progdir/\$program\" 2>/dev/null || + { $RM \"\$progdir/\$program\"; + $MV \"\$progdir/\$file\" \"\$progdir/\$program\"; } + $RM \"\$progdir/\$file\" + fi" + else + $ECHO "\ + program='$outputname' + progdir=\"\$thisdir/$objdir\" +" + fi + + $ECHO "\ + + if test -f \"\$progdir/\$program\"; then" + + # fixup the dll searchpath if we need to. + # + # Fix the DLL searchpath if we need to. Do this before prepending + # to shlibpath, because on Windows, both are PATH and uninstalled + # libraries must come first. + if test -n "$dllsearchpath"; then + $ECHO "\ + # Add the dll search path components to the executable PATH + PATH=$dllsearchpath:\$PATH +" + fi + + # Export our shlibpath_var if we have one. + if test "$shlibpath_overrides_runpath" = yes && test -n "$shlibpath_var" && test -n "$temp_rpath"; then + $ECHO "\ + # Add our own library path to $shlibpath_var + $shlibpath_var=\"$temp_rpath\$$shlibpath_var\" + + # Some systems cannot cope with colon-terminated $shlibpath_var + # The second colon is a workaround for a bug in BeOS R4 sed + $shlibpath_var=\`\$ECHO \"\$$shlibpath_var\" | $SED 's/::*\$//'\` + + export $shlibpath_var +" + fi + + $ECHO "\ + if test \"\$libtool_execute_magic\" != \"$magic\"; then + # Run the actual program with our arguments. + func_exec_program \${1+\"\$@\"} + fi + else + # The program doesn't exist. + \$ECHO \"\$0: error: \\\`\$progdir/\$program' does not exist\" 1>&2 + \$ECHO \"This script is just a wrapper for \$program.\" 1>&2 + \$ECHO \"See the $PACKAGE documentation for more information.\" 1>&2 + exit 1 + fi +fi\ +" +} + + +# func_emit_cwrapperexe_src +# emit the source code for a wrapper executable on stdout +# Must ONLY be called from within func_mode_link because +# it depends on a number of variable set therein. +func_emit_cwrapperexe_src () +{ + cat < +#include +#ifdef _MSC_VER +# include +# include +# include +#else +# include +# include +# ifdef __CYGWIN__ +# include +# endif +#endif +#include +#include +#include +#include +#include +#include +#include +#include + +/* declarations of non-ANSI functions */ +#if defined(__MINGW32__) +# ifdef __STRICT_ANSI__ +int _putenv (const char *); +# endif +#elif defined(__CYGWIN__) +# ifdef __STRICT_ANSI__ +char *realpath (const char *, char *); +int putenv (char *); +int setenv (const char *, const char *, int); +# endif +/* #elif defined (other platforms) ... */ +#endif + +/* portability defines, excluding path handling macros */ +#if defined(_MSC_VER) +# define setmode _setmode +# define stat _stat +# define chmod _chmod +# define getcwd _getcwd +# define putenv _putenv +# define S_IXUSR _S_IEXEC +# ifndef _INTPTR_T_DEFINED +# define _INTPTR_T_DEFINED +# define intptr_t int +# endif +#elif defined(__MINGW32__) +# define setmode _setmode +# define stat _stat +# define chmod _chmod +# define getcwd _getcwd +# define putenv _putenv +#elif defined(__CYGWIN__) +# define HAVE_SETENV +# define FOPEN_WB "wb" +/* #elif defined (other platforms) ... */ +#endif + +#if defined(PATH_MAX) +# define LT_PATHMAX PATH_MAX +#elif defined(MAXPATHLEN) +# define LT_PATHMAX MAXPATHLEN +#else +# define LT_PATHMAX 1024 +#endif + +#ifndef S_IXOTH +# define S_IXOTH 0 +#endif +#ifndef S_IXGRP +# define S_IXGRP 0 +#endif + +/* path handling portability macros */ +#ifndef DIR_SEPARATOR +# define DIR_SEPARATOR '/' +# define PATH_SEPARATOR ':' +#endif + +#if defined (_WIN32) || defined (__MSDOS__) || defined (__DJGPP__) || \ + defined (__OS2__) +# define HAVE_DOS_BASED_FILE_SYSTEM +# define FOPEN_WB "wb" +# ifndef DIR_SEPARATOR_2 +# define DIR_SEPARATOR_2 '\\' +# endif +# ifndef PATH_SEPARATOR_2 +# define PATH_SEPARATOR_2 ';' +# endif +#endif + +#ifndef DIR_SEPARATOR_2 +# define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR) +#else /* DIR_SEPARATOR_2 */ +# define IS_DIR_SEPARATOR(ch) \ + (((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2)) +#endif /* DIR_SEPARATOR_2 */ + +#ifndef PATH_SEPARATOR_2 +# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR) +#else /* PATH_SEPARATOR_2 */ +# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR_2) +#endif /* PATH_SEPARATOR_2 */ + +#ifndef FOPEN_WB +# define FOPEN_WB "w" +#endif +#ifndef _O_BINARY +# define _O_BINARY 0 +#endif + +#define XMALLOC(type, num) ((type *) xmalloc ((num) * sizeof(type))) +#define XFREE(stale) do { \ + if (stale) { free ((void *) stale); stale = 0; } \ +} while (0) + +#if defined(LT_DEBUGWRAPPER) +static int lt_debug = 1; +#else +static int lt_debug = 0; +#endif + +const char *program_name = "libtool-wrapper"; /* in case xstrdup fails */ + +void *xmalloc (size_t num); +char *xstrdup (const char *string); +const char *base_name (const char *name); +char *find_executable (const char *wrapper); +char *chase_symlinks (const char *pathspec); +int make_executable (const char *path); +int check_executable (const char *path); +char *strendzap (char *str, const char *pat); +void lt_debugprintf (const char *file, int line, const char *fmt, ...); +void lt_fatal (const char *file, int line, const char *message, ...); +static const char *nonnull (const char *s); +static const char *nonempty (const char *s); +void lt_setenv (const char *name, const char *value); +char *lt_extend_str (const char *orig_value, const char *add, int to_end); +void lt_update_exe_path (const char *name, const char *value); +void lt_update_lib_path (const char *name, const char *value); +char **prepare_spawn (char **argv); +void lt_dump_script (FILE *f); +EOF + + cat <= 0) + && (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH))) + return 1; + else + return 0; +} + +int +make_executable (const char *path) +{ + int rval = 0; + struct stat st; + + lt_debugprintf (__FILE__, __LINE__, "(make_executable): %s\n", + nonempty (path)); + if ((!path) || (!*path)) + return 0; + + if (stat (path, &st) >= 0) + { + rval = chmod (path, st.st_mode | S_IXOTH | S_IXGRP | S_IXUSR); + } + return rval; +} + +/* Searches for the full path of the wrapper. Returns + newly allocated full path name if found, NULL otherwise + Does not chase symlinks, even on platforms that support them. +*/ +char * +find_executable (const char *wrapper) +{ + int has_slash = 0; + const char *p; + const char *p_next; + /* static buffer for getcwd */ + char tmp[LT_PATHMAX + 1]; + int tmp_len; + char *concat_name; + + lt_debugprintf (__FILE__, __LINE__, "(find_executable): %s\n", + nonempty (wrapper)); + + if ((wrapper == NULL) || (*wrapper == '\0')) + return NULL; + + /* Absolute path? */ +#if defined (HAVE_DOS_BASED_FILE_SYSTEM) + if (isalpha ((unsigned char) wrapper[0]) && wrapper[1] == ':') + { + concat_name = xstrdup (wrapper); + if (check_executable (concat_name)) + return concat_name; + XFREE (concat_name); + } + else + { +#endif + if (IS_DIR_SEPARATOR (wrapper[0])) + { + concat_name = xstrdup (wrapper); + if (check_executable (concat_name)) + return concat_name; + XFREE (concat_name); + } +#if defined (HAVE_DOS_BASED_FILE_SYSTEM) + } +#endif + + for (p = wrapper; *p; p++) + if (*p == '/') + { + has_slash = 1; + break; + } + if (!has_slash) + { + /* no slashes; search PATH */ + const char *path = getenv ("PATH"); + if (path != NULL) + { + for (p = path; *p; p = p_next) + { + const char *q; + size_t p_len; + for (q = p; *q; q++) + if (IS_PATH_SEPARATOR (*q)) + break; + p_len = q - p; + p_next = (*q == '\0' ? q : q + 1); + if (p_len == 0) + { + /* empty path: current directory */ + if (getcwd (tmp, LT_PATHMAX) == NULL) + lt_fatal (__FILE__, __LINE__, "getcwd failed: %s", + nonnull (strerror (errno))); + tmp_len = strlen (tmp); + concat_name = + XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); + memcpy (concat_name, tmp, tmp_len); + concat_name[tmp_len] = '/'; + strcpy (concat_name + tmp_len + 1, wrapper); + } + else + { + concat_name = + XMALLOC (char, p_len + 1 + strlen (wrapper) + 1); + memcpy (concat_name, p, p_len); + concat_name[p_len] = '/'; + strcpy (concat_name + p_len + 1, wrapper); + } + if (check_executable (concat_name)) + return concat_name; + XFREE (concat_name); + } + } + /* not found in PATH; assume curdir */ + } + /* Relative path | not found in path: prepend cwd */ + if (getcwd (tmp, LT_PATHMAX) == NULL) + lt_fatal (__FILE__, __LINE__, "getcwd failed: %s", + nonnull (strerror (errno))); + tmp_len = strlen (tmp); + concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); + memcpy (concat_name, tmp, tmp_len); + concat_name[tmp_len] = '/'; + strcpy (concat_name + tmp_len + 1, wrapper); + + if (check_executable (concat_name)) + return concat_name; + XFREE (concat_name); + return NULL; +} + +char * +chase_symlinks (const char *pathspec) +{ +#ifndef S_ISLNK + return xstrdup (pathspec); +#else + char buf[LT_PATHMAX]; + struct stat s; + char *tmp_pathspec = xstrdup (pathspec); + char *p; + int has_symlinks = 0; + while (strlen (tmp_pathspec) && !has_symlinks) + { + lt_debugprintf (__FILE__, __LINE__, + "checking path component for symlinks: %s\n", + tmp_pathspec); + if (lstat (tmp_pathspec, &s) == 0) + { + if (S_ISLNK (s.st_mode) != 0) + { + has_symlinks = 1; + break; + } + + /* search backwards for last DIR_SEPARATOR */ + p = tmp_pathspec + strlen (tmp_pathspec) - 1; + while ((p > tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) + p--; + if ((p == tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) + { + /* no more DIR_SEPARATORS left */ + break; + } + *p = '\0'; + } + else + { + lt_fatal (__FILE__, __LINE__, + "error accessing file \"%s\": %s", + tmp_pathspec, nonnull (strerror (errno))); + } + } + XFREE (tmp_pathspec); + + if (!has_symlinks) + { + return xstrdup (pathspec); + } + + tmp_pathspec = realpath (pathspec, buf); + if (tmp_pathspec == 0) + { + lt_fatal (__FILE__, __LINE__, + "could not follow symlinks for %s", pathspec); + } + return xstrdup (tmp_pathspec); +#endif +} + +char * +strendzap (char *str, const char *pat) +{ + size_t len, patlen; + + assert (str != NULL); + assert (pat != NULL); + + len = strlen (str); + patlen = strlen (pat); + + if (patlen <= len) + { + str += len - patlen; + if (strcmp (str, pat) == 0) + *str = '\0'; + } + return str; +} + +void +lt_debugprintf (const char *file, int line, const char *fmt, ...) +{ + va_list args; + if (lt_debug) + { + (void) fprintf (stderr, "%s:%s:%d: ", program_name, file, line); + va_start (args, fmt); + (void) vfprintf (stderr, fmt, args); + va_end (args); + } +} + +static void +lt_error_core (int exit_status, const char *file, + int line, const char *mode, + const char *message, va_list ap) +{ + fprintf (stderr, "%s:%s:%d: %s: ", program_name, file, line, mode); + vfprintf (stderr, message, ap); + fprintf (stderr, ".\n"); + + if (exit_status >= 0) + exit (exit_status); +} + +void +lt_fatal (const char *file, int line, const char *message, ...) +{ + va_list ap; + va_start (ap, message); + lt_error_core (EXIT_FAILURE, file, line, "FATAL", message, ap); + va_end (ap); +} + +static const char * +nonnull (const char *s) +{ + return s ? s : "(null)"; +} + +static const char * +nonempty (const char *s) +{ + return (s && !*s) ? "(empty)" : nonnull (s); +} + +void +lt_setenv (const char *name, const char *value) +{ + lt_debugprintf (__FILE__, __LINE__, + "(lt_setenv) setting '%s' to '%s'\n", + nonnull (name), nonnull (value)); + { +#ifdef HAVE_SETENV + /* always make a copy, for consistency with !HAVE_SETENV */ + char *str = xstrdup (value); + setenv (name, str, 1); +#else + int len = strlen (name) + 1 + strlen (value) + 1; + char *str = XMALLOC (char, len); + sprintf (str, "%s=%s", name, value); + if (putenv (str) != EXIT_SUCCESS) + { + XFREE (str); + } +#endif + } +} + +char * +lt_extend_str (const char *orig_value, const char *add, int to_end) +{ + char *new_value; + if (orig_value && *orig_value) + { + int orig_value_len = strlen (orig_value); + int add_len = strlen (add); + new_value = XMALLOC (char, add_len + orig_value_len + 1); + if (to_end) + { + strcpy (new_value, orig_value); + strcpy (new_value + orig_value_len, add); + } + else + { + strcpy (new_value, add); + strcpy (new_value + add_len, orig_value); + } + } + else + { + new_value = xstrdup (add); + } + return new_value; +} + +void +lt_update_exe_path (const char *name, const char *value) +{ + lt_debugprintf (__FILE__, __LINE__, + "(lt_update_exe_path) modifying '%s' by prepending '%s'\n", + nonnull (name), nonnull (value)); + + if (name && *name && value && *value) + { + char *new_value = lt_extend_str (getenv (name), value, 0); + /* some systems can't cope with a ':'-terminated path #' */ + int len = strlen (new_value); + while (((len = strlen (new_value)) > 0) && IS_PATH_SEPARATOR (new_value[len-1])) + { + new_value[len-1] = '\0'; + } + lt_setenv (name, new_value); + XFREE (new_value); + } +} + +void +lt_update_lib_path (const char *name, const char *value) +{ + lt_debugprintf (__FILE__, __LINE__, + "(lt_update_lib_path) modifying '%s' by prepending '%s'\n", + nonnull (name), nonnull (value)); + + if (name && *name && value && *value) + { + char *new_value = lt_extend_str (getenv (name), value, 0); + lt_setenv (name, new_value); + XFREE (new_value); + } +} + +EOF + case $host_os in + mingw*) + cat <<"EOF" + +/* Prepares an argument vector before calling spawn(). + Note that spawn() does not by itself call the command interpreter + (getenv ("COMSPEC") != NULL ? getenv ("COMSPEC") : + ({ OSVERSIONINFO v; v.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); + GetVersionEx(&v); + v.dwPlatformId == VER_PLATFORM_WIN32_NT; + }) ? "cmd.exe" : "command.com"). + Instead it simply concatenates the arguments, separated by ' ', and calls + CreateProcess(). We must quote the arguments since Win32 CreateProcess() + interprets characters like ' ', '\t', '\\', '"' (but not '<' and '>') in a + special way: + - Space and tab are interpreted as delimiters. They are not treated as + delimiters if they are surrounded by double quotes: "...". + - Unescaped double quotes are removed from the input. Their only effect is + that within double quotes, space and tab are treated like normal + characters. + - Backslashes not followed by double quotes are not special. + - But 2*n+1 backslashes followed by a double quote become + n backslashes followed by a double quote (n >= 0): + \" -> " + \\\" -> \" + \\\\\" -> \\" + */ +#define SHELL_SPECIAL_CHARS "\"\\ \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" +#define SHELL_SPACE_CHARS " \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" +char ** +prepare_spawn (char **argv) +{ + size_t argc; + char **new_argv; + size_t i; + + /* Count number of arguments. */ + for (argc = 0; argv[argc] != NULL; argc++) + ; + + /* Allocate new argument vector. */ + new_argv = XMALLOC (char *, argc + 1); + + /* Put quoted arguments into the new argument vector. */ + for (i = 0; i < argc; i++) + { + const char *string = argv[i]; + + if (string[0] == '\0') + new_argv[i] = xstrdup ("\"\""); + else if (strpbrk (string, SHELL_SPECIAL_CHARS) != NULL) + { + int quote_around = (strpbrk (string, SHELL_SPACE_CHARS) != NULL); + size_t length; + unsigned int backslashes; + const char *s; + char *quoted_string; + char *p; + + length = 0; + backslashes = 0; + if (quote_around) + length++; + for (s = string; *s != '\0'; s++) + { + char c = *s; + if (c == '"') + length += backslashes + 1; + length++; + if (c == '\\') + backslashes++; + else + backslashes = 0; + } + if (quote_around) + length += backslashes + 1; + + quoted_string = XMALLOC (char, length + 1); + + p = quoted_string; + backslashes = 0; + if (quote_around) + *p++ = '"'; + for (s = string; *s != '\0'; s++) + { + char c = *s; + if (c == '"') + { + unsigned int j; + for (j = backslashes + 1; j > 0; j--) + *p++ = '\\'; + } + *p++ = c; + if (c == '\\') + backslashes++; + else + backslashes = 0; + } + if (quote_around) + { + unsigned int j; + for (j = backslashes; j > 0; j--) + *p++ = '\\'; + *p++ = '"'; + } + *p = '\0'; + + new_argv[i] = quoted_string; + } + else + new_argv[i] = (char *) string; + } + new_argv[argc] = NULL; + + return new_argv; +} +EOF + ;; + esac + + cat <<"EOF" +void lt_dump_script (FILE* f) +{ +EOF + func_emit_wrapper yes | + $SED -e 's/\([\\"]\)/\\\1/g' \ + -e 's/^/ fputs ("/' -e 's/$/\\n", f);/' + + cat <<"EOF" +} +EOF +} +# end: func_emit_cwrapperexe_src + +# func_win32_import_lib_p ARG +# True if ARG is an import lib, as indicated by $file_magic_cmd +func_win32_import_lib_p () +{ + $opt_debug + case `eval $file_magic_cmd \"\$1\" 2>/dev/null | $SED -e 10q` in + *import*) : ;; + *) false ;; + esac +} + +# func_mode_link arg... +func_mode_link () +{ + $opt_debug + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) + # It is impossible to link a dll without this setting, and + # we shouldn't force the makefile maintainer to figure out + # which system we are compiling for in order to pass an extra + # flag for every libtool invocation. + # allow_undefined=no + + # FIXME: Unfortunately, there are problems with the above when trying + # to make a dll which has undefined symbols, in which case not + # even a static library is built. For now, we need to specify + # -no-undefined on the libtool link line when we can be certain + # that all symbols are satisfied, otherwise we get a static library. + allow_undefined=yes + ;; + *) + allow_undefined=yes + ;; + esac + libtool_args=$nonopt + base_compile="$nonopt $@" + compile_command=$nonopt + finalize_command=$nonopt + + compile_rpath= + finalize_rpath= + compile_shlibpath= + finalize_shlibpath= + convenience= + old_convenience= + deplibs= + old_deplibs= + compiler_flags= + linker_flags= + dllsearchpath= + lib_search_path=`pwd` + inst_prefix_dir= + new_inherited_linker_flags= + + avoid_version=no + bindir= + dlfiles= + dlprefiles= + dlself=no + export_dynamic=no + export_symbols= + export_symbols_regex= + generated= + libobjs= + ltlibs= + module=no + no_install=no + objs= + non_pic_objects= + precious_files_regex= + prefer_static_libs=no + preload=no + prev= + prevarg= + release= + rpath= + xrpath= + perm_rpath= + temp_rpath= + thread_safe=no + vinfo= + vinfo_number=no + weak_libs= + single_module="${wl}-single_module" + func_infer_tag $base_compile + + # We need to know -static, to get the right output filenames. + for arg + do + case $arg in + -shared) + test "$build_libtool_libs" != yes && \ + func_fatal_configuration "can not build a shared library" + build_old_libs=no + break + ;; + -all-static | -static | -static-libtool-libs) + case $arg in + -all-static) + if test "$build_libtool_libs" = yes && test -z "$link_static_flag"; then + func_warning "complete static linking is impossible in this configuration" + fi + if test -n "$link_static_flag"; then + dlopen_self=$dlopen_self_static + fi + prefer_static_libs=yes + ;; + -static) + if test -z "$pic_flag" && test -n "$link_static_flag"; then + dlopen_self=$dlopen_self_static + fi + prefer_static_libs=built + ;; + -static-libtool-libs) + if test -z "$pic_flag" && test -n "$link_static_flag"; then + dlopen_self=$dlopen_self_static + fi + prefer_static_libs=yes + ;; + esac + build_libtool_libs=no + build_old_libs=yes + break + ;; + esac + done + + # See if our shared archives depend on static archives. + test -n "$old_archive_from_new_cmds" && build_old_libs=yes + + # Go through the arguments, transforming them on the way. + while test "$#" -gt 0; do + arg="$1" + shift + func_quote_for_eval "$arg" + qarg=$func_quote_for_eval_unquoted_result + func_append libtool_args " $func_quote_for_eval_result" + + # If the previous option needs an argument, assign it. + if test -n "$prev"; then + case $prev in + output) + func_append compile_command " @OUTPUT@" + func_append finalize_command " @OUTPUT@" + ;; + esac + + case $prev in + bindir) + bindir="$arg" + prev= + continue + ;; + dlfiles|dlprefiles) + if test "$preload" = no; then + # Add the symbol object into the linking commands. + func_append compile_command " @SYMFILE@" + func_append finalize_command " @SYMFILE@" + preload=yes + fi + case $arg in + *.la | *.lo) ;; # We handle these cases below. + force) + if test "$dlself" = no; then + dlself=needless + export_dynamic=yes + fi + prev= + continue + ;; + self) + if test "$prev" = dlprefiles; then + dlself=yes + elif test "$prev" = dlfiles && test "$dlopen_self" != yes; then + dlself=yes + else + dlself=needless + export_dynamic=yes + fi + prev= + continue + ;; + *) + if test "$prev" = dlfiles; then + func_append dlfiles " $arg" + else + func_append dlprefiles " $arg" + fi + prev= + continue + ;; + esac + ;; + expsyms) + export_symbols="$arg" + test -f "$arg" \ + || func_fatal_error "symbol file \`$arg' does not exist" + prev= + continue + ;; + expsyms_regex) + export_symbols_regex="$arg" + prev= + continue + ;; + framework) + case $host in + *-*-darwin*) + case "$deplibs " in + *" $qarg.ltframework "*) ;; + *) func_append deplibs " $qarg.ltframework" # this is fixed later + ;; + esac + ;; + esac + prev= + continue + ;; + inst_prefix) + inst_prefix_dir="$arg" + prev= + continue + ;; + objectlist) + if test -f "$arg"; then + save_arg=$arg + moreargs= + for fil in `cat "$save_arg"` + do +# func_append moreargs " $fil" + arg=$fil + # A libtool-controlled object. + + # Check to see that this really is a libtool object. + if func_lalib_unsafe_p "$arg"; then + pic_object= + non_pic_object= + + # Read the .lo file + func_source "$arg" + + if test -z "$pic_object" || + test -z "$non_pic_object" || + test "$pic_object" = none && + test "$non_pic_object" = none; then + func_fatal_error "cannot find name of object for \`$arg'" + fi + + # Extract subdirectory from the argument. + func_dirname "$arg" "/" "" + xdir="$func_dirname_result" + + if test "$pic_object" != none; then + # Prepend the subdirectory the object is found in. + pic_object="$xdir$pic_object" + + if test "$prev" = dlfiles; then + if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then + func_append dlfiles " $pic_object" + prev= + continue + else + # If libtool objects are unsupported, then we need to preload. + prev=dlprefiles + fi + fi + + # CHECK ME: I think I busted this. -Ossama + if test "$prev" = dlprefiles; then + # Preload the old-style object. + func_append dlprefiles " $pic_object" + prev= + fi + + # A PIC object. + func_append libobjs " $pic_object" + arg="$pic_object" + fi + + # Non-PIC object. + if test "$non_pic_object" != none; then + # Prepend the subdirectory the object is found in. + non_pic_object="$xdir$non_pic_object" + + # A standard non-PIC object + func_append non_pic_objects " $non_pic_object" + if test -z "$pic_object" || test "$pic_object" = none ; then + arg="$non_pic_object" + fi + else + # If the PIC object exists, use it instead. + # $xdir was prepended to $pic_object above. + non_pic_object="$pic_object" + func_append non_pic_objects " $non_pic_object" + fi + else + # Only an error if not doing a dry-run. + if $opt_dry_run; then + # Extract subdirectory from the argument. + func_dirname "$arg" "/" "" + xdir="$func_dirname_result" + + func_lo2o "$arg" + pic_object=$xdir$objdir/$func_lo2o_result + non_pic_object=$xdir$func_lo2o_result + func_append libobjs " $pic_object" + func_append non_pic_objects " $non_pic_object" + else + func_fatal_error "\`$arg' is not a valid libtool object" + fi + fi + done + else + func_fatal_error "link input file \`$arg' does not exist" + fi + arg=$save_arg + prev= + continue + ;; + precious_regex) + precious_files_regex="$arg" + prev= + continue + ;; + release) + release="-$arg" + prev= + continue + ;; + rpath | xrpath) + # We need an absolute path. + case $arg in + [\\/]* | [A-Za-z]:[\\/]*) ;; + *) + func_fatal_error "only absolute run-paths are allowed" + ;; + esac + if test "$prev" = rpath; then + case "$rpath " in + *" $arg "*) ;; + *) func_append rpath " $arg" ;; + esac + else + case "$xrpath " in + *" $arg "*) ;; + *) func_append xrpath " $arg" ;; + esac + fi + prev= + continue + ;; + shrext) + shrext_cmds="$arg" + prev= + continue + ;; + weak) + func_append weak_libs " $arg" + prev= + continue + ;; + xcclinker) + func_append linker_flags " $qarg" + func_append compiler_flags " $qarg" + prev= + func_append compile_command " $qarg" + func_append finalize_command " $qarg" + continue + ;; + xcompiler) + func_append compiler_flags " $qarg" + prev= + func_append compile_command " $qarg" + func_append finalize_command " $qarg" + continue + ;; + xlinker) + func_append linker_flags " $qarg" + func_append compiler_flags " $wl$qarg" + prev= + func_append compile_command " $wl$qarg" + func_append finalize_command " $wl$qarg" + continue + ;; + *) + eval "$prev=\"\$arg\"" + prev= + continue + ;; + esac + fi # test -n "$prev" + + prevarg="$arg" + + case $arg in + -all-static) + if test -n "$link_static_flag"; then + # See comment for -static flag below, for more details. + func_append compile_command " $link_static_flag" + func_append finalize_command " $link_static_flag" + fi + continue + ;; + + -allow-undefined) + # FIXME: remove this flag sometime in the future. + func_fatal_error "\`-allow-undefined' must not be used because it is the default" + ;; + + -avoid-version) + avoid_version=yes + continue + ;; + + -bindir) + prev=bindir + continue + ;; + + -dlopen) + prev=dlfiles + continue + ;; + + -dlpreopen) + prev=dlprefiles + continue + ;; + + -export-dynamic) + export_dynamic=yes + continue + ;; + + -export-symbols | -export-symbols-regex) + if test -n "$export_symbols" || test -n "$export_symbols_regex"; then + func_fatal_error "more than one -exported-symbols argument is not allowed" + fi + if test "X$arg" = "X-export-symbols"; then + prev=expsyms + else + prev=expsyms_regex + fi + continue + ;; + + -framework) + prev=framework + continue + ;; + + -inst-prefix-dir) + prev=inst_prefix + continue + ;; + + # The native IRIX linker understands -LANG:*, -LIST:* and -LNO:* + # so, if we see these flags be careful not to treat them like -L + -L[A-Z][A-Z]*:*) + case $with_gcc/$host in + no/*-*-irix* | /*-*-irix*) + func_append compile_command " $arg" + func_append finalize_command " $arg" + ;; + esac + continue + ;; + + -L*) + func_stripname "-L" '' "$arg" + if test -z "$func_stripname_result"; then + if test "$#" -gt 0; then + func_fatal_error "require no space between \`-L' and \`$1'" + else + func_fatal_error "need path for \`-L' option" + fi + fi + func_resolve_sysroot "$func_stripname_result" + dir=$func_resolve_sysroot_result + # We need an absolute path. + case $dir in + [\\/]* | [A-Za-z]:[\\/]*) ;; + *) + absdir=`cd "$dir" && pwd` + test -z "$absdir" && \ + func_fatal_error "cannot determine absolute directory name of \`$dir'" + dir="$absdir" + ;; + esac + case "$deplibs " in + *" -L$dir "* | *" $arg "*) + # Will only happen for absolute or sysroot arguments + ;; + *) + # Preserve sysroot, but never include relative directories + case $dir in + [\\/]* | [A-Za-z]:[\\/]* | =*) func_append deplibs " $arg" ;; + *) func_append deplibs " -L$dir" ;; + esac + func_append lib_search_path " $dir" + ;; + esac + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) + testbindir=`$ECHO "$dir" | $SED 's*/lib$*/bin*'` + case :$dllsearchpath: in + *":$dir:"*) ;; + ::) dllsearchpath=$dir;; + *) func_append dllsearchpath ":$dir";; + esac + case :$dllsearchpath: in + *":$testbindir:"*) ;; + ::) dllsearchpath=$testbindir;; + *) func_append dllsearchpath ":$testbindir";; + esac + ;; + esac + continue + ;; + + -l*) + if test "X$arg" = "X-lc" || test "X$arg" = "X-lm"; then + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-beos* | *-cegcc* | *-*-haiku*) + # These systems don't actually have a C or math library (as such) + continue + ;; + *-*-os2*) + # These systems don't actually have a C library (as such) + test "X$arg" = "X-lc" && continue + ;; + *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*) + # Do not include libc due to us having libc/libc_r. + test "X$arg" = "X-lc" && continue + ;; + *-*-rhapsody* | *-*-darwin1.[012]) + # Rhapsody C and math libraries are in the System framework + func_append deplibs " System.ltframework" + continue + ;; + *-*-sco3.2v5* | *-*-sco5v6*) + # Causes problems with __ctype + test "X$arg" = "X-lc" && continue + ;; + *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*) + # Compiler inserts libc in the correct place for threads to work + test "X$arg" = "X-lc" && continue + ;; + esac + elif test "X$arg" = "X-lc_r"; then + case $host in + *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*) + # Do not include libc_r directly, use -pthread flag. + continue + ;; + esac + fi + func_append deplibs " $arg" + continue + ;; + + -module) + module=yes + continue + ;; + + # Tru64 UNIX uses -model [arg] to determine the layout of C++ + # classes, name mangling, and exception handling. + # Darwin uses the -arch flag to determine output architecture. + -model|-arch|-isysroot|--sysroot) + func_append compiler_flags " $arg" + func_append compile_command " $arg" + func_append finalize_command " $arg" + prev=xcompiler + continue + ;; + + -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe|-threads) + func_append compiler_flags " $arg" + func_append compile_command " $arg" + func_append finalize_command " $arg" + case "$new_inherited_linker_flags " in + *" $arg "*) ;; + * ) func_append new_inherited_linker_flags " $arg" ;; + esac + continue + ;; + + -multi_module) + single_module="${wl}-multi_module" + continue + ;; + + -no-fast-install) + fast_install=no + continue + ;; + + -no-install) + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-darwin* | *-cegcc*) + # The PATH hackery in wrapper scripts is required on Windows + # and Darwin in order for the loader to find any dlls it needs. + func_warning "\`-no-install' is ignored for $host" + func_warning "assuming \`-no-fast-install' instead" + fast_install=no + ;; + *) no_install=yes ;; + esac + continue + ;; + + -no-undefined) + allow_undefined=no + continue + ;; + + -objectlist) + prev=objectlist + continue + ;; + + -o) prev=output ;; + + -precious-files-regex) + prev=precious_regex + continue + ;; + + -release) + prev=release + continue + ;; + + -rpath) + prev=rpath + continue + ;; + + -R) + prev=xrpath + continue + ;; + + -R*) + func_stripname '-R' '' "$arg" + dir=$func_stripname_result + # We need an absolute path. + case $dir in + [\\/]* | [A-Za-z]:[\\/]*) ;; + =*) + func_stripname '=' '' "$dir" + dir=$lt_sysroot$func_stripname_result + ;; + *) + func_fatal_error "only absolute run-paths are allowed" + ;; + esac + case "$xrpath " in + *" $dir "*) ;; + *) func_append xrpath " $dir" ;; + esac + continue + ;; + + -shared) + # The effects of -shared are defined in a previous loop. + continue + ;; + + -shrext) + prev=shrext + continue + ;; + + -static | -static-libtool-libs) + # The effects of -static are defined in a previous loop. + # We used to do the same as -all-static on platforms that + # didn't have a PIC flag, but the assumption that the effects + # would be equivalent was wrong. It would break on at least + # Digital Unix and AIX. + continue + ;; + + -thread-safe) + thread_safe=yes + continue + ;; + + -version-info) + prev=vinfo + continue + ;; + + -version-number) + prev=vinfo + vinfo_number=yes + continue + ;; + + -weak) + prev=weak + continue + ;; + + -Wc,*) + func_stripname '-Wc,' '' "$arg" + args=$func_stripname_result + arg= + save_ifs="$IFS"; IFS=',' + for flag in $args; do + IFS="$save_ifs" + func_quote_for_eval "$flag" + func_append arg " $func_quote_for_eval_result" + func_append compiler_flags " $func_quote_for_eval_result" + done + IFS="$save_ifs" + func_stripname ' ' '' "$arg" + arg=$func_stripname_result + ;; + + -Wl,*) + func_stripname '-Wl,' '' "$arg" + args=$func_stripname_result + arg= + save_ifs="$IFS"; IFS=',' + for flag in $args; do + IFS="$save_ifs" + func_quote_for_eval "$flag" + func_append arg " $wl$func_quote_for_eval_result" + func_append compiler_flags " $wl$func_quote_for_eval_result" + func_append linker_flags " $func_quote_for_eval_result" + done + IFS="$save_ifs" + func_stripname ' ' '' "$arg" + arg=$func_stripname_result + ;; + + -Xcompiler) + prev=xcompiler + continue + ;; + + -Xlinker) + prev=xlinker + continue + ;; + + -XCClinker) + prev=xcclinker + continue + ;; + + # -msg_* for osf cc + -msg_*) + func_quote_for_eval "$arg" + arg="$func_quote_for_eval_result" + ;; + + # Flags to be passed through unchanged, with rationale: + # -64, -mips[0-9] enable 64-bit mode for the SGI compiler + # -r[0-9][0-9]* specify processor for the SGI compiler + # -xarch=*, -xtarget=* enable 64-bit mode for the Sun compiler + # +DA*, +DD* enable 64-bit mode for the HP compiler + # -q* compiler args for the IBM compiler + # -m*, -t[45]*, -txscale* architecture-specific flags for GCC + # -F/path path to uninstalled frameworks, gcc on darwin + # -p, -pg, --coverage, -fprofile-* profiling flags for GCC + # @file GCC response files + # -tp=* Portland pgcc target processor selection + # --sysroot=* for sysroot support + # -O*, -flto*, -fwhopr*, -fuse-linker-plugin GCC link-time optimization + -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \ + -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*|-tp=*|--sysroot=*| \ + -O*|-flto*|-fwhopr*|-fuse-linker-plugin) + func_quote_for_eval "$arg" + arg="$func_quote_for_eval_result" + func_append compile_command " $arg" + func_append finalize_command " $arg" + func_append compiler_flags " $arg" + continue + ;; + + # Some other compiler flag. + -* | +*) + func_quote_for_eval "$arg" + arg="$func_quote_for_eval_result" + ;; + + *.$objext) + # A standard object. + func_append objs " $arg" + ;; + + *.lo) + # A libtool-controlled object. + + # Check to see that this really is a libtool object. + if func_lalib_unsafe_p "$arg"; then + pic_object= + non_pic_object= + + # Read the .lo file + func_source "$arg" + + if test -z "$pic_object" || + test -z "$non_pic_object" || + test "$pic_object" = none && + test "$non_pic_object" = none; then + func_fatal_error "cannot find name of object for \`$arg'" + fi + + # Extract subdirectory from the argument. + func_dirname "$arg" "/" "" + xdir="$func_dirname_result" + + if test "$pic_object" != none; then + # Prepend the subdirectory the object is found in. + pic_object="$xdir$pic_object" + + if test "$prev" = dlfiles; then + if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then + func_append dlfiles " $pic_object" + prev= + continue + else + # If libtool objects are unsupported, then we need to preload. + prev=dlprefiles + fi + fi + + # CHECK ME: I think I busted this. -Ossama + if test "$prev" = dlprefiles; then + # Preload the old-style object. + func_append dlprefiles " $pic_object" + prev= + fi + + # A PIC object. + func_append libobjs " $pic_object" + arg="$pic_object" + fi + + # Non-PIC object. + if test "$non_pic_object" != none; then + # Prepend the subdirectory the object is found in. + non_pic_object="$xdir$non_pic_object" + + # A standard non-PIC object + func_append non_pic_objects " $non_pic_object" + if test -z "$pic_object" || test "$pic_object" = none ; then + arg="$non_pic_object" + fi + else + # If the PIC object exists, use it instead. + # $xdir was prepended to $pic_object above. + non_pic_object="$pic_object" + func_append non_pic_objects " $non_pic_object" + fi + else + # Only an error if not doing a dry-run. + if $opt_dry_run; then + # Extract subdirectory from the argument. + func_dirname "$arg" "/" "" + xdir="$func_dirname_result" + + func_lo2o "$arg" + pic_object=$xdir$objdir/$func_lo2o_result + non_pic_object=$xdir$func_lo2o_result + func_append libobjs " $pic_object" + func_append non_pic_objects " $non_pic_object" + else + func_fatal_error "\`$arg' is not a valid libtool object" + fi + fi + ;; + + *.$libext) + # An archive. + func_append deplibs " $arg" + func_append old_deplibs " $arg" + continue + ;; + + *.la) + # A libtool-controlled library. + + func_resolve_sysroot "$arg" + if test "$prev" = dlfiles; then + # This library was specified with -dlopen. + func_append dlfiles " $func_resolve_sysroot_result" + prev= + elif test "$prev" = dlprefiles; then + # The library was specified with -dlpreopen. + func_append dlprefiles " $func_resolve_sysroot_result" + prev= + else + func_append deplibs " $func_resolve_sysroot_result" + fi + continue + ;; + + # Some other compiler argument. + *) + # Unknown arguments in both finalize_command and compile_command need + # to be aesthetically quoted because they are evaled later. + func_quote_for_eval "$arg" + arg="$func_quote_for_eval_result" + ;; + esac # arg + + # Now actually substitute the argument into the commands. + if test -n "$arg"; then + func_append compile_command " $arg" + func_append finalize_command " $arg" + fi + done # argument parsing loop + + test -n "$prev" && \ + func_fatal_help "the \`$prevarg' option requires an argument" + + if test "$export_dynamic" = yes && test -n "$export_dynamic_flag_spec"; then + eval arg=\"$export_dynamic_flag_spec\" + func_append compile_command " $arg" + func_append finalize_command " $arg" + fi + + oldlibs= + # calculate the name of the file, without its directory + func_basename "$output" + outputname="$func_basename_result" + libobjs_save="$libobjs" + + if test -n "$shlibpath_var"; then + # get the directories listed in $shlibpath_var + eval shlib_search_path=\`\$ECHO \"\${$shlibpath_var}\" \| \$SED \'s/:/ /g\'\` + else + shlib_search_path= + fi + eval sys_lib_search_path=\"$sys_lib_search_path_spec\" + eval sys_lib_dlsearch_path=\"$sys_lib_dlsearch_path_spec\" + + func_dirname "$output" "/" "" + output_objdir="$func_dirname_result$objdir" + func_to_tool_file "$output_objdir/" + tool_output_objdir=$func_to_tool_file_result + # Create the object directory. + func_mkdir_p "$output_objdir" + + # Determine the type of output + case $output in + "") + func_fatal_help "you must specify an output file" + ;; + *.$libext) linkmode=oldlib ;; + *.lo | *.$objext) linkmode=obj ;; + *.la) linkmode=lib ;; + *) linkmode=prog ;; # Anything else should be a program. + esac + + specialdeplibs= + + libs= + # Find all interdependent deplibs by searching for libraries + # that are linked more than once (e.g. -la -lb -la) + for deplib in $deplibs; do + if $opt_preserve_dup_deps ; then + case "$libs " in + *" $deplib "*) func_append specialdeplibs " $deplib" ;; + esac + fi + func_append libs " $deplib" + done + + if test "$linkmode" = lib; then + libs="$predeps $libs $compiler_lib_search_path $postdeps" + + # Compute libraries that are listed more than once in $predeps + # $postdeps and mark them as special (i.e., whose duplicates are + # not to be eliminated). + pre_post_deps= + if $opt_duplicate_compiler_generated_deps; then + for pre_post_dep in $predeps $postdeps; do + case "$pre_post_deps " in + *" $pre_post_dep "*) func_append specialdeplibs " $pre_post_deps" ;; + esac + func_append pre_post_deps " $pre_post_dep" + done + fi + pre_post_deps= + fi + + deplibs= + newdependency_libs= + newlib_search_path= + need_relink=no # whether we're linking any uninstalled libtool libraries + notinst_deplibs= # not-installed libtool libraries + notinst_path= # paths that contain not-installed libtool libraries + + case $linkmode in + lib) + passes="conv dlpreopen link" + for file in $dlfiles $dlprefiles; do + case $file in + *.la) ;; + *) + func_fatal_help "libraries can \`-dlopen' only libtool libraries: $file" + ;; + esac + done + ;; + prog) + compile_deplibs= + finalize_deplibs= + alldeplibs=no + newdlfiles= + newdlprefiles= + passes="conv scan dlopen dlpreopen link" + ;; + *) passes="conv" + ;; + esac + + for pass in $passes; do + # The preopen pass in lib mode reverses $deplibs; put it back here + # so that -L comes before libs that need it for instance... + if test "$linkmode,$pass" = "lib,link"; then + ## FIXME: Find the place where the list is rebuilt in the wrong + ## order, and fix it there properly + tmp_deplibs= + for deplib in $deplibs; do + tmp_deplibs="$deplib $tmp_deplibs" + done + deplibs="$tmp_deplibs" + fi + + if test "$linkmode,$pass" = "lib,link" || + test "$linkmode,$pass" = "prog,scan"; then + libs="$deplibs" + deplibs= + fi + if test "$linkmode" = prog; then + case $pass in + dlopen) libs="$dlfiles" ;; + dlpreopen) libs="$dlprefiles" ;; + link) libs="$deplibs %DEPLIBS% $dependency_libs" ;; + esac + fi + if test "$linkmode,$pass" = "lib,dlpreopen"; then + # Collect and forward deplibs of preopened libtool libs + for lib in $dlprefiles; do + # Ignore non-libtool-libs + dependency_libs= + func_resolve_sysroot "$lib" + case $lib in + *.la) func_source "$func_resolve_sysroot_result" ;; + esac + + # Collect preopened libtool deplibs, except any this library + # has declared as weak libs + for deplib in $dependency_libs; do + func_basename "$deplib" + deplib_base=$func_basename_result + case " $weak_libs " in + *" $deplib_base "*) ;; + *) func_append deplibs " $deplib" ;; + esac + done + done + libs="$dlprefiles" + fi + if test "$pass" = dlopen; then + # Collect dlpreopened libraries + save_deplibs="$deplibs" + deplibs= + fi + + for deplib in $libs; do + lib= + found=no + case $deplib in + -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe|-threads) + if test "$linkmode,$pass" = "prog,link"; then + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + else + func_append compiler_flags " $deplib" + if test "$linkmode" = lib ; then + case "$new_inherited_linker_flags " in + *" $deplib "*) ;; + * ) func_append new_inherited_linker_flags " $deplib" ;; + esac + fi + fi + continue + ;; + -l*) + if test "$linkmode" != lib && test "$linkmode" != prog; then + func_warning "\`-l' is ignored for archives/objects" + continue + fi + func_stripname '-l' '' "$deplib" + name=$func_stripname_result + if test "$linkmode" = lib; then + searchdirs="$newlib_search_path $lib_search_path $compiler_lib_search_dirs $sys_lib_search_path $shlib_search_path" + else + searchdirs="$newlib_search_path $lib_search_path $sys_lib_search_path $shlib_search_path" + fi + for searchdir in $searchdirs; do + for search_ext in .la $std_shrext .so .a; do + # Search the libtool library + lib="$searchdir/lib${name}${search_ext}" + if test -f "$lib"; then + if test "$search_ext" = ".la"; then + found=yes + else + found=no + fi + break 2 + fi + done + done + if test "$found" != yes; then + # deplib doesn't seem to be a libtool library + if test "$linkmode,$pass" = "prog,link"; then + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + else + deplibs="$deplib $deplibs" + test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs" + fi + continue + else # deplib is a libtool library + # If $allow_libtool_libs_with_static_runtimes && $deplib is a stdlib, + # We need to do some special things here, and not later. + if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then + case " $predeps $postdeps " in + *" $deplib "*) + if func_lalib_p "$lib"; then + library_names= + old_library= + func_source "$lib" + for l in $old_library $library_names; do + ll="$l" + done + if test "X$ll" = "X$old_library" ; then # only static version available + found=no + func_dirname "$lib" "" "." + ladir="$func_dirname_result" + lib=$ladir/$old_library + if test "$linkmode,$pass" = "prog,link"; then + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + else + deplibs="$deplib $deplibs" + test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs" + fi + continue + fi + fi + ;; + *) ;; + esac + fi + fi + ;; # -l + *.ltframework) + if test "$linkmode,$pass" = "prog,link"; then + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + else + deplibs="$deplib $deplibs" + if test "$linkmode" = lib ; then + case "$new_inherited_linker_flags " in + *" $deplib "*) ;; + * ) func_append new_inherited_linker_flags " $deplib" ;; + esac + fi + fi + continue + ;; + -L*) + case $linkmode in + lib) + deplibs="$deplib $deplibs" + test "$pass" = conv && continue + newdependency_libs="$deplib $newdependency_libs" + func_stripname '-L' '' "$deplib" + func_resolve_sysroot "$func_stripname_result" + func_append newlib_search_path " $func_resolve_sysroot_result" + ;; + prog) + if test "$pass" = conv; then + deplibs="$deplib $deplibs" + continue + fi + if test "$pass" = scan; then + deplibs="$deplib $deplibs" + else + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + fi + func_stripname '-L' '' "$deplib" + func_resolve_sysroot "$func_stripname_result" + func_append newlib_search_path " $func_resolve_sysroot_result" + ;; + *) + func_warning "\`-L' is ignored for archives/objects" + ;; + esac # linkmode + continue + ;; # -L + -R*) + if test "$pass" = link; then + func_stripname '-R' '' "$deplib" + func_resolve_sysroot "$func_stripname_result" + dir=$func_resolve_sysroot_result + # Make sure the xrpath contains only unique directories. + case "$xrpath " in + *" $dir "*) ;; + *) func_append xrpath " $dir" ;; + esac + fi + deplibs="$deplib $deplibs" + continue + ;; + *.la) + func_resolve_sysroot "$deplib" + lib=$func_resolve_sysroot_result + ;; + *.$libext) + if test "$pass" = conv; then + deplibs="$deplib $deplibs" + continue + fi + case $linkmode in + lib) + # Linking convenience modules into shared libraries is allowed, + # but linking other static libraries is non-portable. + case " $dlpreconveniencelibs " in + *" $deplib "*) ;; + *) + valid_a_lib=no + case $deplibs_check_method in + match_pattern*) + set dummy $deplibs_check_method; shift + match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"` + if eval "\$ECHO \"$deplib\"" 2>/dev/null | $SED 10q \ + | $EGREP "$match_pattern_regex" > /dev/null; then + valid_a_lib=yes + fi + ;; + pass_all) + valid_a_lib=yes + ;; + esac + if test "$valid_a_lib" != yes; then + echo + $ECHO "*** Warning: Trying to link with static lib archive $deplib." + echo "*** I have the capability to make that library automatically link in when" + echo "*** you link to this library. But I can only do this if you have a" + echo "*** shared version of the library, which you do not appear to have" + echo "*** because the file extensions .$libext of this argument makes me believe" + echo "*** that it is just a static archive that I should not use here." + else + echo + $ECHO "*** Warning: Linking the shared library $output against the" + $ECHO "*** static library $deplib is not portable!" + deplibs="$deplib $deplibs" + fi + ;; + esac + continue + ;; + prog) + if test "$pass" != link; then + deplibs="$deplib $deplibs" + else + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + fi + continue + ;; + esac # linkmode + ;; # *.$libext + *.lo | *.$objext) + if test "$pass" = conv; then + deplibs="$deplib $deplibs" + elif test "$linkmode" = prog; then + if test "$pass" = dlpreopen || test "$dlopen_support" != yes || test "$build_libtool_libs" = no; then + # If there is no dlopen support or we're linking statically, + # we need to preload. + func_append newdlprefiles " $deplib" + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + else + func_append newdlfiles " $deplib" + fi + fi + continue + ;; + %DEPLIBS%) + alldeplibs=yes + continue + ;; + esac # case $deplib + + if test "$found" = yes || test -f "$lib"; then : + else + func_fatal_error "cannot find the library \`$lib' or unhandled argument \`$deplib'" + fi + + # Check to see that this really is a libtool archive. + func_lalib_unsafe_p "$lib" \ + || func_fatal_error "\`$lib' is not a valid libtool archive" + + func_dirname "$lib" "" "." + ladir="$func_dirname_result" + + dlname= + dlopen= + dlpreopen= + libdir= + library_names= + old_library= + inherited_linker_flags= + # If the library was installed with an old release of libtool, + # it will not redefine variables installed, or shouldnotlink + installed=yes + shouldnotlink=no + avoidtemprpath= + + + # Read the .la file + func_source "$lib" + + # Convert "-framework foo" to "foo.ltframework" + if test -n "$inherited_linker_flags"; then + tmp_inherited_linker_flags=`$ECHO "$inherited_linker_flags" | $SED 's/-framework \([^ $]*\)/\1.ltframework/g'` + for tmp_inherited_linker_flag in $tmp_inherited_linker_flags; do + case " $new_inherited_linker_flags " in + *" $tmp_inherited_linker_flag "*) ;; + *) func_append new_inherited_linker_flags " $tmp_inherited_linker_flag";; + esac + done + fi + dependency_libs=`$ECHO " $dependency_libs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + if test "$linkmode,$pass" = "lib,link" || + test "$linkmode,$pass" = "prog,scan" || + { test "$linkmode" != prog && test "$linkmode" != lib; }; then + test -n "$dlopen" && func_append dlfiles " $dlopen" + test -n "$dlpreopen" && func_append dlprefiles " $dlpreopen" + fi + + if test "$pass" = conv; then + # Only check for convenience libraries + deplibs="$lib $deplibs" + if test -z "$libdir"; then + if test -z "$old_library"; then + func_fatal_error "cannot find name of link library for \`$lib'" + fi + # It is a libtool convenience library, so add in its objects. + func_append convenience " $ladir/$objdir/$old_library" + func_append old_convenience " $ladir/$objdir/$old_library" + elif test "$linkmode" != prog && test "$linkmode" != lib; then + func_fatal_error "\`$lib' is not a convenience library" + fi + tmp_libs= + for deplib in $dependency_libs; do + deplibs="$deplib $deplibs" + if $opt_preserve_dup_deps ; then + case "$tmp_libs " in + *" $deplib "*) func_append specialdeplibs " $deplib" ;; + esac + fi + func_append tmp_libs " $deplib" + done + continue + fi # $pass = conv + + + # Get the name of the library we link against. + linklib= + if test -n "$old_library" && + { test "$prefer_static_libs" = yes || + test "$prefer_static_libs,$installed" = "built,no"; }; then + linklib=$old_library + else + for l in $old_library $library_names; do + linklib="$l" + done + fi + if test -z "$linklib"; then + func_fatal_error "cannot find name of link library for \`$lib'" + fi + + # This library was specified with -dlopen. + if test "$pass" = dlopen; then + if test -z "$libdir"; then + func_fatal_error "cannot -dlopen a convenience library: \`$lib'" + fi + if test -z "$dlname" || + test "$dlopen_support" != yes || + test "$build_libtool_libs" = no; then + # If there is no dlname, no dlopen support or we're linking + # statically, we need to preload. We also need to preload any + # dependent libraries so libltdl's deplib preloader doesn't + # bomb out in the load deplibs phase. + func_append dlprefiles " $lib $dependency_libs" + else + func_append newdlfiles " $lib" + fi + continue + fi # $pass = dlopen + + # We need an absolute path. + case $ladir in + [\\/]* | [A-Za-z]:[\\/]*) abs_ladir="$ladir" ;; + *) + abs_ladir=`cd "$ladir" && pwd` + if test -z "$abs_ladir"; then + func_warning "cannot determine absolute directory name of \`$ladir'" + func_warning "passing it literally to the linker, although it might fail" + abs_ladir="$ladir" + fi + ;; + esac + func_basename "$lib" + laname="$func_basename_result" + + # Find the relevant object directory and library name. + if test "X$installed" = Xyes; then + if test ! -f "$lt_sysroot$libdir/$linklib" && test -f "$abs_ladir/$linklib"; then + func_warning "library \`$lib' was moved." + dir="$ladir" + absdir="$abs_ladir" + libdir="$abs_ladir" + else + dir="$lt_sysroot$libdir" + absdir="$lt_sysroot$libdir" + fi + test "X$hardcode_automatic" = Xyes && avoidtemprpath=yes + else + if test ! -f "$ladir/$objdir/$linklib" && test -f "$abs_ladir/$linklib"; then + dir="$ladir" + absdir="$abs_ladir" + # Remove this search path later + func_append notinst_path " $abs_ladir" + else + dir="$ladir/$objdir" + absdir="$abs_ladir/$objdir" + # Remove this search path later + func_append notinst_path " $abs_ladir" + fi + fi # $installed = yes + func_stripname 'lib' '.la' "$laname" + name=$func_stripname_result + + # This library was specified with -dlpreopen. + if test "$pass" = dlpreopen; then + if test -z "$libdir" && test "$linkmode" = prog; then + func_fatal_error "only libraries may -dlpreopen a convenience library: \`$lib'" + fi + case "$host" in + # special handling for platforms with PE-DLLs. + *cygwin* | *mingw* | *cegcc* ) + # Linker will automatically link against shared library if both + # static and shared are present. Therefore, ensure we extract + # symbols from the import library if a shared library is present + # (otherwise, the dlopen module name will be incorrect). We do + # this by putting the import library name into $newdlprefiles. + # We recover the dlopen module name by 'saving' the la file + # name in a special purpose variable, and (later) extracting the + # dlname from the la file. + if test -n "$dlname"; then + func_tr_sh "$dir/$linklib" + eval "libfile_$func_tr_sh_result=\$abs_ladir/\$laname" + func_append newdlprefiles " $dir/$linklib" + else + func_append newdlprefiles " $dir/$old_library" + # Keep a list of preopened convenience libraries to check + # that they are being used correctly in the link pass. + test -z "$libdir" && \ + func_append dlpreconveniencelibs " $dir/$old_library" + fi + ;; + * ) + # Prefer using a static library (so that no silly _DYNAMIC symbols + # are required to link). + if test -n "$old_library"; then + func_append newdlprefiles " $dir/$old_library" + # Keep a list of preopened convenience libraries to check + # that they are being used correctly in the link pass. + test -z "$libdir" && \ + func_append dlpreconveniencelibs " $dir/$old_library" + # Otherwise, use the dlname, so that lt_dlopen finds it. + elif test -n "$dlname"; then + func_append newdlprefiles " $dir/$dlname" + else + func_append newdlprefiles " $dir/$linklib" + fi + ;; + esac + fi # $pass = dlpreopen + + if test -z "$libdir"; then + # Link the convenience library + if test "$linkmode" = lib; then + deplibs="$dir/$old_library $deplibs" + elif test "$linkmode,$pass" = "prog,link"; then + compile_deplibs="$dir/$old_library $compile_deplibs" + finalize_deplibs="$dir/$old_library $finalize_deplibs" + else + deplibs="$lib $deplibs" # used for prog,scan pass + fi + continue + fi + + + if test "$linkmode" = prog && test "$pass" != link; then + func_append newlib_search_path " $ladir" + deplibs="$lib $deplibs" + + linkalldeplibs=no + if test "$link_all_deplibs" != no || test -z "$library_names" || + test "$build_libtool_libs" = no; then + linkalldeplibs=yes + fi + + tmp_libs= + for deplib in $dependency_libs; do + case $deplib in + -L*) func_stripname '-L' '' "$deplib" + func_resolve_sysroot "$func_stripname_result" + func_append newlib_search_path " $func_resolve_sysroot_result" + ;; + esac + # Need to link against all dependency_libs? + if test "$linkalldeplibs" = yes; then + deplibs="$deplib $deplibs" + else + # Need to hardcode shared library paths + # or/and link against static libraries + newdependency_libs="$deplib $newdependency_libs" + fi + if $opt_preserve_dup_deps ; then + case "$tmp_libs " in + *" $deplib "*) func_append specialdeplibs " $deplib" ;; + esac + fi + func_append tmp_libs " $deplib" + done # for deplib + continue + fi # $linkmode = prog... + + if test "$linkmode,$pass" = "prog,link"; then + if test -n "$library_names" && + { { test "$prefer_static_libs" = no || + test "$prefer_static_libs,$installed" = "built,yes"; } || + test -z "$old_library"; }; then + # We need to hardcode the library path + if test -n "$shlibpath_var" && test -z "$avoidtemprpath" ; then + # Make sure the rpath contains only unique directories. + case "$temp_rpath:" in + *"$absdir:"*) ;; + *) func_append temp_rpath "$absdir:" ;; + esac + fi + + # Hardcode the library path. + # Skip directories that are in the system default run-time + # search path. + case " $sys_lib_dlsearch_path " in + *" $absdir "*) ;; + *) + case "$compile_rpath " in + *" $absdir "*) ;; + *) func_append compile_rpath " $absdir" ;; + esac + ;; + esac + case " $sys_lib_dlsearch_path " in + *" $libdir "*) ;; + *) + case "$finalize_rpath " in + *" $libdir "*) ;; + *) func_append finalize_rpath " $libdir" ;; + esac + ;; + esac + fi # $linkmode,$pass = prog,link... + + if test "$alldeplibs" = yes && + { test "$deplibs_check_method" = pass_all || + { test "$build_libtool_libs" = yes && + test -n "$library_names"; }; }; then + # We only need to search for static libraries + continue + fi + fi + + link_static=no # Whether the deplib will be linked statically + use_static_libs=$prefer_static_libs + if test "$use_static_libs" = built && test "$installed" = yes; then + use_static_libs=no + fi + if test -n "$library_names" && + { test "$use_static_libs" = no || test -z "$old_library"; }; then + case $host in + *cygwin* | *mingw* | *cegcc*) + # No point in relinking DLLs because paths are not encoded + func_append notinst_deplibs " $lib" + need_relink=no + ;; + *) + if test "$installed" = no; then + func_append notinst_deplibs " $lib" + need_relink=yes + fi + ;; + esac + # This is a shared library + + # Warn about portability, can't link against -module's on some + # systems (darwin). Don't bleat about dlopened modules though! + dlopenmodule="" + for dlpremoduletest in $dlprefiles; do + if test "X$dlpremoduletest" = "X$lib"; then + dlopenmodule="$dlpremoduletest" + break + fi + done + if test -z "$dlopenmodule" && test "$shouldnotlink" = yes && test "$pass" = link; then + echo + if test "$linkmode" = prog; then + $ECHO "*** Warning: Linking the executable $output against the loadable module" + else + $ECHO "*** Warning: Linking the shared library $output against the loadable module" + fi + $ECHO "*** $linklib is not portable!" + fi + if test "$linkmode" = lib && + test "$hardcode_into_libs" = yes; then + # Hardcode the library path. + # Skip directories that are in the system default run-time + # search path. + case " $sys_lib_dlsearch_path " in + *" $absdir "*) ;; + *) + case "$compile_rpath " in + *" $absdir "*) ;; + *) func_append compile_rpath " $absdir" ;; + esac + ;; + esac + case " $sys_lib_dlsearch_path " in + *" $libdir "*) ;; + *) + case "$finalize_rpath " in + *" $libdir "*) ;; + *) func_append finalize_rpath " $libdir" ;; + esac + ;; + esac + fi + + if test -n "$old_archive_from_expsyms_cmds"; then + # figure out the soname + set dummy $library_names + shift + realname="$1" + shift + libname=`eval "\\$ECHO \"$libname_spec\""` + # use dlname if we got it. it's perfectly good, no? + if test -n "$dlname"; then + soname="$dlname" + elif test -n "$soname_spec"; then + # bleh windows + case $host in + *cygwin* | mingw* | *cegcc*) + func_arith $current - $age + major=$func_arith_result + versuffix="-$major" + ;; + esac + eval soname=\"$soname_spec\" + else + soname="$realname" + fi + + # Make a new name for the extract_expsyms_cmds to use + soroot="$soname" + func_basename "$soroot" + soname="$func_basename_result" + func_stripname 'lib' '.dll' "$soname" + newlib=libimp-$func_stripname_result.a + + # If the library has no export list, then create one now + if test -f "$output_objdir/$soname-def"; then : + else + func_verbose "extracting exported symbol list from \`$soname'" + func_execute_cmds "$extract_expsyms_cmds" 'exit $?' + fi + + # Create $newlib + if test -f "$output_objdir/$newlib"; then :; else + func_verbose "generating import library for \`$soname'" + func_execute_cmds "$old_archive_from_expsyms_cmds" 'exit $?' + fi + # make sure the library variables are pointing to the new library + dir=$output_objdir + linklib=$newlib + fi # test -n "$old_archive_from_expsyms_cmds" + + if test "$linkmode" = prog || test "$opt_mode" != relink; then + add_shlibpath= + add_dir= + add= + lib_linked=yes + case $hardcode_action in + immediate | unsupported) + if test "$hardcode_direct" = no; then + add="$dir/$linklib" + case $host in + *-*-sco3.2v5.0.[024]*) add_dir="-L$dir" ;; + *-*-sysv4*uw2*) add_dir="-L$dir" ;; + *-*-sysv5OpenUNIX* | *-*-sysv5UnixWare7.[01].[10]* | \ + *-*-unixware7*) add_dir="-L$dir" ;; + *-*-darwin* ) + # if the lib is a (non-dlopened) module then we can not + # link against it, someone is ignoring the earlier warnings + if /usr/bin/file -L $add 2> /dev/null | + $GREP ": [^:]* bundle" >/dev/null ; then + if test "X$dlopenmodule" != "X$lib"; then + $ECHO "*** Warning: lib $linklib is a module, not a shared library" + if test -z "$old_library" ; then + echo + echo "*** And there doesn't seem to be a static archive available" + echo "*** The link will probably fail, sorry" + else + add="$dir/$old_library" + fi + elif test -n "$old_library"; then + add="$dir/$old_library" + fi + fi + esac + elif test "$hardcode_minus_L" = no; then + case $host in + *-*-sunos*) add_shlibpath="$dir" ;; + esac + add_dir="-L$dir" + add="-l$name" + elif test "$hardcode_shlibpath_var" = no; then + add_shlibpath="$dir" + add="-l$name" + else + lib_linked=no + fi + ;; + relink) + if test "$hardcode_direct" = yes && + test "$hardcode_direct_absolute" = no; then + add="$dir/$linklib" + elif test "$hardcode_minus_L" = yes; then + add_dir="-L$dir" + # Try looking first in the location we're being installed to. + if test -n "$inst_prefix_dir"; then + case $libdir in + [\\/]*) + func_append add_dir " -L$inst_prefix_dir$libdir" + ;; + esac + fi + add="-l$name" + elif test "$hardcode_shlibpath_var" = yes; then + add_shlibpath="$dir" + add="-l$name" + else + lib_linked=no + fi + ;; + *) lib_linked=no ;; + esac + + if test "$lib_linked" != yes; then + func_fatal_configuration "unsupported hardcode properties" + fi + + if test -n "$add_shlibpath"; then + case :$compile_shlibpath: in + *":$add_shlibpath:"*) ;; + *) func_append compile_shlibpath "$add_shlibpath:" ;; + esac + fi + if test "$linkmode" = prog; then + test -n "$add_dir" && compile_deplibs="$add_dir $compile_deplibs" + test -n "$add" && compile_deplibs="$add $compile_deplibs" + else + test -n "$add_dir" && deplibs="$add_dir $deplibs" + test -n "$add" && deplibs="$add $deplibs" + if test "$hardcode_direct" != yes && + test "$hardcode_minus_L" != yes && + test "$hardcode_shlibpath_var" = yes; then + case :$finalize_shlibpath: in + *":$libdir:"*) ;; + *) func_append finalize_shlibpath "$libdir:" ;; + esac + fi + fi + fi + + if test "$linkmode" = prog || test "$opt_mode" = relink; then + add_shlibpath= + add_dir= + add= + # Finalize command for both is simple: just hardcode it. + if test "$hardcode_direct" = yes && + test "$hardcode_direct_absolute" = no; then + add="$libdir/$linklib" + elif test "$hardcode_minus_L" = yes; then + add_dir="-L$libdir" + add="-l$name" + elif test "$hardcode_shlibpath_var" = yes; then + case :$finalize_shlibpath: in + *":$libdir:"*) ;; + *) func_append finalize_shlibpath "$libdir:" ;; + esac + add="-l$name" + elif test "$hardcode_automatic" = yes; then + if test -n "$inst_prefix_dir" && + test -f "$inst_prefix_dir$libdir/$linklib" ; then + add="$inst_prefix_dir$libdir/$linklib" + else + add="$libdir/$linklib" + fi + else + # We cannot seem to hardcode it, guess we'll fake it. + add_dir="-L$libdir" + # Try looking first in the location we're being installed to. + if test -n "$inst_prefix_dir"; then + case $libdir in + [\\/]*) + func_append add_dir " -L$inst_prefix_dir$libdir" + ;; + esac + fi + add="-l$name" + fi + + if test "$linkmode" = prog; then + test -n "$add_dir" && finalize_deplibs="$add_dir $finalize_deplibs" + test -n "$add" && finalize_deplibs="$add $finalize_deplibs" + else + test -n "$add_dir" && deplibs="$add_dir $deplibs" + test -n "$add" && deplibs="$add $deplibs" + fi + fi + elif test "$linkmode" = prog; then + # Here we assume that one of hardcode_direct or hardcode_minus_L + # is not unsupported. This is valid on all known static and + # shared platforms. + if test "$hardcode_direct" != unsupported; then + test -n "$old_library" && linklib="$old_library" + compile_deplibs="$dir/$linklib $compile_deplibs" + finalize_deplibs="$dir/$linklib $finalize_deplibs" + else + compile_deplibs="-l$name -L$dir $compile_deplibs" + finalize_deplibs="-l$name -L$dir $finalize_deplibs" + fi + elif test "$build_libtool_libs" = yes; then + # Not a shared library + if test "$deplibs_check_method" != pass_all; then + # We're trying link a shared library against a static one + # but the system doesn't support it. + + # Just print a warning and add the library to dependency_libs so + # that the program can be linked against the static library. + echo + $ECHO "*** Warning: This system can not link to static lib archive $lib." + echo "*** I have the capability to make that library automatically link in when" + echo "*** you link to this library. But I can only do this if you have a" + echo "*** shared version of the library, which you do not appear to have." + if test "$module" = yes; then + echo "*** But as you try to build a module library, libtool will still create " + echo "*** a static module, that should work as long as the dlopening application" + echo "*** is linked with the -dlopen flag to resolve symbols at runtime." + if test -z "$global_symbol_pipe"; then + echo + echo "*** However, this would only work if libtool was able to extract symbol" + echo "*** lists from a program, using \`nm' or equivalent, but libtool could" + echo "*** not find such a program. So, this module is probably useless." + echo "*** \`nm' from GNU binutils and a full rebuild may help." + fi + if test "$build_old_libs" = no; then + build_libtool_libs=module + build_old_libs=yes + else + build_libtool_libs=no + fi + fi + else + deplibs="$dir/$old_library $deplibs" + link_static=yes + fi + fi # link shared/static library? + + if test "$linkmode" = lib; then + if test -n "$dependency_libs" && + { test "$hardcode_into_libs" != yes || + test "$build_old_libs" = yes || + test "$link_static" = yes; }; then + # Extract -R from dependency_libs + temp_deplibs= + for libdir in $dependency_libs; do + case $libdir in + -R*) func_stripname '-R' '' "$libdir" + temp_xrpath=$func_stripname_result + case " $xrpath " in + *" $temp_xrpath "*) ;; + *) func_append xrpath " $temp_xrpath";; + esac;; + *) func_append temp_deplibs " $libdir";; + esac + done + dependency_libs="$temp_deplibs" + fi + + func_append newlib_search_path " $absdir" + # Link against this library + test "$link_static" = no && newdependency_libs="$abs_ladir/$laname $newdependency_libs" + # ... and its dependency_libs + tmp_libs= + for deplib in $dependency_libs; do + newdependency_libs="$deplib $newdependency_libs" + case $deplib in + -L*) func_stripname '-L' '' "$deplib" + func_resolve_sysroot "$func_stripname_result";; + *) func_resolve_sysroot "$deplib" ;; + esac + if $opt_preserve_dup_deps ; then + case "$tmp_libs " in + *" $func_resolve_sysroot_result "*) + func_append specialdeplibs " $func_resolve_sysroot_result" ;; + esac + fi + func_append tmp_libs " $func_resolve_sysroot_result" + done + + if test "$link_all_deplibs" != no; then + # Add the search paths of all dependency libraries + for deplib in $dependency_libs; do + path= + case $deplib in + -L*) path="$deplib" ;; + *.la) + func_resolve_sysroot "$deplib" + deplib=$func_resolve_sysroot_result + func_dirname "$deplib" "" "." + dir=$func_dirname_result + # We need an absolute path. + case $dir in + [\\/]* | [A-Za-z]:[\\/]*) absdir="$dir" ;; + *) + absdir=`cd "$dir" && pwd` + if test -z "$absdir"; then + func_warning "cannot determine absolute directory name of \`$dir'" + absdir="$dir" + fi + ;; + esac + if $GREP "^installed=no" $deplib > /dev/null; then + case $host in + *-*-darwin*) + depdepl= + eval deplibrary_names=`${SED} -n -e 's/^library_names=\(.*\)$/\1/p' $deplib` + if test -n "$deplibrary_names" ; then + for tmp in $deplibrary_names ; do + depdepl=$tmp + done + if test -f "$absdir/$objdir/$depdepl" ; then + depdepl="$absdir/$objdir/$depdepl" + darwin_install_name=`${OTOOL} -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` + if test -z "$darwin_install_name"; then + darwin_install_name=`${OTOOL64} -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` + fi + func_append compiler_flags " ${wl}-dylib_file ${wl}${darwin_install_name}:${depdepl}" + func_append linker_flags " -dylib_file ${darwin_install_name}:${depdepl}" + path= + fi + fi + ;; + *) + path="-L$absdir/$objdir" + ;; + esac + else + eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $deplib` + test -z "$libdir" && \ + func_fatal_error "\`$deplib' is not a valid libtool archive" + test "$absdir" != "$libdir" && \ + func_warning "\`$deplib' seems to be moved" + + path="-L$absdir" + fi + ;; + esac + case " $deplibs " in + *" $path "*) ;; + *) deplibs="$path $deplibs" ;; + esac + done + fi # link_all_deplibs != no + fi # linkmode = lib + done # for deplib in $libs + if test "$pass" = link; then + if test "$linkmode" = "prog"; then + compile_deplibs="$new_inherited_linker_flags $compile_deplibs" + finalize_deplibs="$new_inherited_linker_flags $finalize_deplibs" + else + compiler_flags="$compiler_flags "`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + fi + fi + dependency_libs="$newdependency_libs" + if test "$pass" = dlpreopen; then + # Link the dlpreopened libraries before other libraries + for deplib in $save_deplibs; do + deplibs="$deplib $deplibs" + done + fi + if test "$pass" != dlopen; then + if test "$pass" != conv; then + # Make sure lib_search_path contains only unique directories. + lib_search_path= + for dir in $newlib_search_path; do + case "$lib_search_path " in + *" $dir "*) ;; + *) func_append lib_search_path " $dir" ;; + esac + done + newlib_search_path= + fi + + if test "$linkmode,$pass" != "prog,link"; then + vars="deplibs" + else + vars="compile_deplibs finalize_deplibs" + fi + for var in $vars dependency_libs; do + # Add libraries to $var in reverse order + eval tmp_libs=\"\$$var\" + new_libs= + for deplib in $tmp_libs; do + # FIXME: Pedantically, this is the right thing to do, so + # that some nasty dependency loop isn't accidentally + # broken: + #new_libs="$deplib $new_libs" + # Pragmatically, this seems to cause very few problems in + # practice: + case $deplib in + -L*) new_libs="$deplib $new_libs" ;; + -R*) ;; + *) + # And here is the reason: when a library appears more + # than once as an explicit dependence of a library, or + # is implicitly linked in more than once by the + # compiler, it is considered special, and multiple + # occurrences thereof are not removed. Compare this + # with having the same library being listed as a + # dependency of multiple other libraries: in this case, + # we know (pedantically, we assume) the library does not + # need to be listed more than once, so we keep only the + # last copy. This is not always right, but it is rare + # enough that we require users that really mean to play + # such unportable linking tricks to link the library + # using -Wl,-lname, so that libtool does not consider it + # for duplicate removal. + case " $specialdeplibs " in + *" $deplib "*) new_libs="$deplib $new_libs" ;; + *) + case " $new_libs " in + *" $deplib "*) ;; + *) new_libs="$deplib $new_libs" ;; + esac + ;; + esac + ;; + esac + done + tmp_libs= + for deplib in $new_libs; do + case $deplib in + -L*) + case " $tmp_libs " in + *" $deplib "*) ;; + *) func_append tmp_libs " $deplib" ;; + esac + ;; + *) func_append tmp_libs " $deplib" ;; + esac + done + eval $var=\"$tmp_libs\" + done # for var + fi + # Last step: remove runtime libs from dependency_libs + # (they stay in deplibs) + tmp_libs= + for i in $dependency_libs ; do + case " $predeps $postdeps $compiler_lib_search_path " in + *" $i "*) + i="" + ;; + esac + if test -n "$i" ; then + func_append tmp_libs " $i" + fi + done + dependency_libs=$tmp_libs + done # for pass + if test "$linkmode" = prog; then + dlfiles="$newdlfiles" + fi + if test "$linkmode" = prog || test "$linkmode" = lib; then + dlprefiles="$newdlprefiles" + fi + + case $linkmode in + oldlib) + if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then + func_warning "\`-dlopen' is ignored for archives" + fi + + case " $deplibs" in + *\ -l* | *\ -L*) + func_warning "\`-l' and \`-L' are ignored for archives" ;; + esac + + test -n "$rpath" && \ + func_warning "\`-rpath' is ignored for archives" + + test -n "$xrpath" && \ + func_warning "\`-R' is ignored for archives" + + test -n "$vinfo" && \ + func_warning "\`-version-info/-version-number' is ignored for archives" + + test -n "$release" && \ + func_warning "\`-release' is ignored for archives" + + test -n "$export_symbols$export_symbols_regex" && \ + func_warning "\`-export-symbols' is ignored for archives" + + # Now set the variables for building old libraries. + build_libtool_libs=no + oldlibs="$output" + func_append objs "$old_deplibs" + ;; + + lib) + # Make sure we only generate libraries of the form `libNAME.la'. + case $outputname in + lib*) + func_stripname 'lib' '.la' "$outputname" + name=$func_stripname_result + eval shared_ext=\"$shrext_cmds\" + eval libname=\"$libname_spec\" + ;; + *) + test "$module" = no && \ + func_fatal_help "libtool library \`$output' must begin with \`lib'" + + if test "$need_lib_prefix" != no; then + # Add the "lib" prefix for modules if required + func_stripname '' '.la' "$outputname" + name=$func_stripname_result + eval shared_ext=\"$shrext_cmds\" + eval libname=\"$libname_spec\" + else + func_stripname '' '.la' "$outputname" + libname=$func_stripname_result + fi + ;; + esac + + if test -n "$objs"; then + if test "$deplibs_check_method" != pass_all; then + func_fatal_error "cannot build libtool library \`$output' from non-libtool objects on this host:$objs" + else + echo + $ECHO "*** Warning: Linking the shared library $output against the non-libtool" + $ECHO "*** objects $objs is not portable!" + func_append libobjs " $objs" + fi + fi + + test "$dlself" != no && \ + func_warning "\`-dlopen self' is ignored for libtool libraries" + + set dummy $rpath + shift + test "$#" -gt 1 && \ + func_warning "ignoring multiple \`-rpath's for a libtool library" + + install_libdir="$1" + + oldlibs= + if test -z "$rpath"; then + if test "$build_libtool_libs" = yes; then + # Building a libtool convenience library. + # Some compilers have problems with a `.al' extension so + # convenience libraries should have the same extension an + # archive normally would. + oldlibs="$output_objdir/$libname.$libext $oldlibs" + build_libtool_libs=convenience + build_old_libs=yes + fi + + test -n "$vinfo" && \ + func_warning "\`-version-info/-version-number' is ignored for convenience libraries" + + test -n "$release" && \ + func_warning "\`-release' is ignored for convenience libraries" + else + + # Parse the version information argument. + save_ifs="$IFS"; IFS=':' + set dummy $vinfo 0 0 0 + shift + IFS="$save_ifs" + + test -n "$7" && \ + func_fatal_help "too many parameters to \`-version-info'" + + # convert absolute version numbers to libtool ages + # this retains compatibility with .la files and attempts + # to make the code below a bit more comprehensible + + case $vinfo_number in + yes) + number_major="$1" + number_minor="$2" + number_revision="$3" + # + # There are really only two kinds -- those that + # use the current revision as the major version + # and those that subtract age and use age as + # a minor version. But, then there is irix + # which has an extra 1 added just for fun + # + case $version_type in + darwin|linux|osf|windows|none) + func_arith $number_major + $number_minor + current=$func_arith_result + age="$number_minor" + revision="$number_revision" + ;; + freebsd-aout|freebsd-elf|qnx|sunos) + current="$number_major" + revision="$number_minor" + age="0" + ;; + irix|nonstopux) + func_arith $number_major + $number_minor + current=$func_arith_result + age="$number_minor" + revision="$number_minor" + lt_irix_increment=no + ;; + esac + ;; + no) + current="$1" + revision="$2" + age="$3" + ;; + esac + + # Check that each of the things are valid numbers. + case $current in + 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; + *) + func_error "CURRENT \`$current' must be a nonnegative integer" + func_fatal_error "\`$vinfo' is not valid version information" + ;; + esac + + case $revision in + 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; + *) + func_error "REVISION \`$revision' must be a nonnegative integer" + func_fatal_error "\`$vinfo' is not valid version information" + ;; + esac + + case $age in + 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; + *) + func_error "AGE \`$age' must be a nonnegative integer" + func_fatal_error "\`$vinfo' is not valid version information" + ;; + esac + + if test "$age" -gt "$current"; then + func_error "AGE \`$age' is greater than the current interface number \`$current'" + func_fatal_error "\`$vinfo' is not valid version information" + fi + + # Calculate the version variables. + major= + versuffix= + verstring= + case $version_type in + none) ;; + + darwin) + # Like Linux, but with the current version available in + # verstring for coding it into the library header + func_arith $current - $age + major=.$func_arith_result + versuffix="$major.$age.$revision" + # Darwin ld doesn't like 0 for these options... + func_arith $current + 1 + minor_current=$func_arith_result + xlcverstring="${wl}-compatibility_version ${wl}$minor_current ${wl}-current_version ${wl}$minor_current.$revision" + verstring="-compatibility_version $minor_current -current_version $minor_current.$revision" + ;; + + freebsd-aout) + major=".$current" + versuffix=".$current.$revision"; + ;; + + freebsd-elf) + major=".$current" + versuffix=".$current" + ;; + + irix | nonstopux) + if test "X$lt_irix_increment" = "Xno"; then + func_arith $current - $age + else + func_arith $current - $age + 1 + fi + major=$func_arith_result + + case $version_type in + nonstopux) verstring_prefix=nonstopux ;; + *) verstring_prefix=sgi ;; + esac + verstring="$verstring_prefix$major.$revision" + + # Add in all the interfaces that we are compatible with. + loop=$revision + while test "$loop" -ne 0; do + func_arith $revision - $loop + iface=$func_arith_result + func_arith $loop - 1 + loop=$func_arith_result + verstring="$verstring_prefix$major.$iface:$verstring" + done + + # Before this point, $major must not contain `.'. + major=.$major + versuffix="$major.$revision" + ;; + + linux) + func_arith $current - $age + major=.$func_arith_result + versuffix="$major.$age.$revision" + ;; + + osf) + func_arith $current - $age + major=.$func_arith_result + versuffix=".$current.$age.$revision" + verstring="$current.$age.$revision" + + # Add in all the interfaces that we are compatible with. + loop=$age + while test "$loop" -ne 0; do + func_arith $current - $loop + iface=$func_arith_result + func_arith $loop - 1 + loop=$func_arith_result + verstring="$verstring:${iface}.0" + done + + # Make executables depend on our current version. + func_append verstring ":${current}.0" + ;; + + qnx) + major=".$current" + versuffix=".$current" + ;; + + sunos) + major=".$current" + versuffix=".$current.$revision" + ;; + + windows) + # Use '-' rather than '.', since we only want one + # extension on DOS 8.3 filesystems. + func_arith $current - $age + major=$func_arith_result + versuffix="-$major" + ;; + + *) + func_fatal_configuration "unknown library version type \`$version_type'" + ;; + esac + + # Clear the version info if we defaulted, and they specified a release. + if test -z "$vinfo" && test -n "$release"; then + major= + case $version_type in + darwin) + # we can't check for "0.0" in archive_cmds due to quoting + # problems, so we reset it completely + verstring= + ;; + *) + verstring="0.0" + ;; + esac + if test "$need_version" = no; then + versuffix= + else + versuffix=".0.0" + fi + fi + + # Remove version info from name if versioning should be avoided + if test "$avoid_version" = yes && test "$need_version" = no; then + major= + versuffix= + verstring="" + fi + + # Check to see if the archive will have undefined symbols. + if test "$allow_undefined" = yes; then + if test "$allow_undefined_flag" = unsupported; then + func_warning "undefined symbols not allowed in $host shared libraries" + build_libtool_libs=no + build_old_libs=yes + fi + else + # Don't allow undefined symbols. + allow_undefined_flag="$no_undefined_flag" + fi + + fi + + func_generate_dlsyms "$libname" "$libname" "yes" + func_append libobjs " $symfileobj" + test "X$libobjs" = "X " && libobjs= + + if test "$opt_mode" != relink; then + # Remove our outputs, but don't remove object files since they + # may have been created when compiling PIC objects. + removelist= + tempremovelist=`$ECHO "$output_objdir/*"` + for p in $tempremovelist; do + case $p in + *.$objext | *.gcno) + ;; + $output_objdir/$outputname | $output_objdir/$libname.* | $output_objdir/${libname}${release}.*) + if test "X$precious_files_regex" != "X"; then + if $ECHO "$p" | $EGREP -e "$precious_files_regex" >/dev/null 2>&1 + then + continue + fi + fi + func_append removelist " $p" + ;; + *) ;; + esac + done + test -n "$removelist" && \ + func_show_eval "${RM}r \$removelist" + fi + + # Now set the variables for building old libraries. + if test "$build_old_libs" = yes && test "$build_libtool_libs" != convenience ; then + func_append oldlibs " $output_objdir/$libname.$libext" + + # Transform .lo files to .o files. + oldobjs="$objs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.${libext}$/d; $lo2o" | $NL2SP` + fi + + # Eliminate all temporary directories. + #for path in $notinst_path; do + # lib_search_path=`$ECHO "$lib_search_path " | $SED "s% $path % %g"` + # deplibs=`$ECHO "$deplibs " | $SED "s% -L$path % %g"` + # dependency_libs=`$ECHO "$dependency_libs " | $SED "s% -L$path % %g"` + #done + + if test -n "$xrpath"; then + # If the user specified any rpath flags, then add them. + temp_xrpath= + for libdir in $xrpath; do + func_replace_sysroot "$libdir" + func_append temp_xrpath " -R$func_replace_sysroot_result" + case "$finalize_rpath " in + *" $libdir "*) ;; + *) func_append finalize_rpath " $libdir" ;; + esac + done + if test "$hardcode_into_libs" != yes || test "$build_old_libs" = yes; then + dependency_libs="$temp_xrpath $dependency_libs" + fi + fi + + # Make sure dlfiles contains only unique files that won't be dlpreopened + old_dlfiles="$dlfiles" + dlfiles= + for lib in $old_dlfiles; do + case " $dlprefiles $dlfiles " in + *" $lib "*) ;; + *) func_append dlfiles " $lib" ;; + esac + done + + # Make sure dlprefiles contains only unique files + old_dlprefiles="$dlprefiles" + dlprefiles= + for lib in $old_dlprefiles; do + case "$dlprefiles " in + *" $lib "*) ;; + *) func_append dlprefiles " $lib" ;; + esac + done + + if test "$build_libtool_libs" = yes; then + if test -n "$rpath"; then + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-beos* | *-cegcc* | *-*-haiku*) + # these systems don't actually have a c library (as such)! + ;; + *-*-rhapsody* | *-*-darwin1.[012]) + # Rhapsody C library is in the System framework + func_append deplibs " System.ltframework" + ;; + *-*-netbsd*) + # Don't link with libc until the a.out ld.so is fixed. + ;; + *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*) + # Do not include libc due to us having libc/libc_r. + ;; + *-*-sco3.2v5* | *-*-sco5v6*) + # Causes problems with __ctype + ;; + *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*) + # Compiler inserts libc in the correct place for threads to work + ;; + *) + # Add libc to deplibs on all other systems if necessary. + if test "$build_libtool_need_lc" = "yes"; then + func_append deplibs " -lc" + fi + ;; + esac + fi + + # Transform deplibs into only deplibs that can be linked in shared. + name_save=$name + libname_save=$libname + release_save=$release + versuffix_save=$versuffix + major_save=$major + # I'm not sure if I'm treating the release correctly. I think + # release should show up in the -l (ie -lgmp5) so we don't want to + # add it in twice. Is that correct? + release="" + versuffix="" + major="" + newdeplibs= + droppeddeps=no + case $deplibs_check_method in + pass_all) + # Don't check for shared/static. Everything works. + # This might be a little naive. We might want to check + # whether the library exists or not. But this is on + # osf3 & osf4 and I'm not really sure... Just + # implementing what was already the behavior. + newdeplibs=$deplibs + ;; + test_compile) + # This code stresses the "libraries are programs" paradigm to its + # limits. Maybe even breaks it. We compile a program, linking it + # against the deplibs as a proxy for the library. Then we can check + # whether they linked in statically or dynamically with ldd. + $opt_dry_run || $RM conftest.c + cat > conftest.c </dev/null` + $nocaseglob + else + potential_libs=`ls $i/$libnameglob[.-]* 2>/dev/null` + fi + for potent_lib in $potential_libs; do + # Follow soft links. + if ls -lLd "$potent_lib" 2>/dev/null | + $GREP " -> " >/dev/null; then + continue + fi + # The statement above tries to avoid entering an + # endless loop below, in case of cyclic links. + # We might still enter an endless loop, since a link + # loop can be closed while we follow links, + # but so what? + potlib="$potent_lib" + while test -h "$potlib" 2>/dev/null; do + potliblink=`ls -ld $potlib | ${SED} 's/.* -> //'` + case $potliblink in + [\\/]* | [A-Za-z]:[\\/]*) potlib="$potliblink";; + *) potlib=`$ECHO "$potlib" | $SED 's,[^/]*$,,'`"$potliblink";; + esac + done + if eval $file_magic_cmd \"\$potlib\" 2>/dev/null | + $SED -e 10q | + $EGREP "$file_magic_regex" > /dev/null; then + func_append newdeplibs " $a_deplib" + a_deplib="" + break 2 + fi + done + done + fi + if test -n "$a_deplib" ; then + droppeddeps=yes + echo + $ECHO "*** Warning: linker path does not have real file for library $a_deplib." + echo "*** I have the capability to make that library automatically link in when" + echo "*** you link to this library. But I can only do this if you have a" + echo "*** shared version of the library, which you do not appear to have" + echo "*** because I did check the linker path looking for a file starting" + if test -z "$potlib" ; then + $ECHO "*** with $libname but no candidates were found. (...for file magic test)" + else + $ECHO "*** with $libname and none of the candidates passed a file format test" + $ECHO "*** using a file magic. Last file checked: $potlib" + fi + fi + ;; + *) + # Add a -L argument. + func_append newdeplibs " $a_deplib" + ;; + esac + done # Gone through all deplibs. + ;; + match_pattern*) + set dummy $deplibs_check_method; shift + match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"` + for a_deplib in $deplibs; do + case $a_deplib in + -l*) + func_stripname -l '' "$a_deplib" + name=$func_stripname_result + if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then + case " $predeps $postdeps " in + *" $a_deplib "*) + func_append newdeplibs " $a_deplib" + a_deplib="" + ;; + esac + fi + if test -n "$a_deplib" ; then + libname=`eval "\\$ECHO \"$libname_spec\""` + for i in $lib_search_path $sys_lib_search_path $shlib_search_path; do + potential_libs=`ls $i/$libname[.-]* 2>/dev/null` + for potent_lib in $potential_libs; do + potlib="$potent_lib" # see symlink-check above in file_magic test + if eval "\$ECHO \"$potent_lib\"" 2>/dev/null | $SED 10q | \ + $EGREP "$match_pattern_regex" > /dev/null; then + func_append newdeplibs " $a_deplib" + a_deplib="" + break 2 + fi + done + done + fi + if test -n "$a_deplib" ; then + droppeddeps=yes + echo + $ECHO "*** Warning: linker path does not have real file for library $a_deplib." + echo "*** I have the capability to make that library automatically link in when" + echo "*** you link to this library. But I can only do this if you have a" + echo "*** shared version of the library, which you do not appear to have" + echo "*** because I did check the linker path looking for a file starting" + if test -z "$potlib" ; then + $ECHO "*** with $libname but no candidates were found. (...for regex pattern test)" + else + $ECHO "*** with $libname and none of the candidates passed a file format test" + $ECHO "*** using a regex pattern. Last file checked: $potlib" + fi + fi + ;; + *) + # Add a -L argument. + func_append newdeplibs " $a_deplib" + ;; + esac + done # Gone through all deplibs. + ;; + none | unknown | *) + newdeplibs="" + tmp_deplibs=`$ECHO " $deplibs" | $SED 's/ -lc$//; s/ -[LR][^ ]*//g'` + if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then + for i in $predeps $postdeps ; do + # can't use Xsed below, because $i might contain '/' + tmp_deplibs=`$ECHO " $tmp_deplibs" | $SED "s,$i,,"` + done + fi + case $tmp_deplibs in + *[!\ \ ]*) + echo + if test "X$deplibs_check_method" = "Xnone"; then + echo "*** Warning: inter-library dependencies are not supported in this platform." + else + echo "*** Warning: inter-library dependencies are not known to be supported." + fi + echo "*** All declared inter-library dependencies are being dropped." + droppeddeps=yes + ;; + esac + ;; + esac + versuffix=$versuffix_save + major=$major_save + release=$release_save + libname=$libname_save + name=$name_save + + case $host in + *-*-rhapsody* | *-*-darwin1.[012]) + # On Rhapsody replace the C library with the System framework + newdeplibs=`$ECHO " $newdeplibs" | $SED 's/ -lc / System.ltframework /'` + ;; + esac + + if test "$droppeddeps" = yes; then + if test "$module" = yes; then + echo + echo "*** Warning: libtool could not satisfy all declared inter-library" + $ECHO "*** dependencies of module $libname. Therefore, libtool will create" + echo "*** a static module, that should work as long as the dlopening" + echo "*** application is linked with the -dlopen flag." + if test -z "$global_symbol_pipe"; then + echo + echo "*** However, this would only work if libtool was able to extract symbol" + echo "*** lists from a program, using \`nm' or equivalent, but libtool could" + echo "*** not find such a program. So, this module is probably useless." + echo "*** \`nm' from GNU binutils and a full rebuild may help." + fi + if test "$build_old_libs" = no; then + oldlibs="$output_objdir/$libname.$libext" + build_libtool_libs=module + build_old_libs=yes + else + build_libtool_libs=no + fi + else + echo "*** The inter-library dependencies that have been dropped here will be" + echo "*** automatically added whenever a program is linked with this library" + echo "*** or is declared to -dlopen it." + + if test "$allow_undefined" = no; then + echo + echo "*** Since this library must not contain undefined symbols," + echo "*** because either the platform does not support them or" + echo "*** it was explicitly requested with -no-undefined," + echo "*** libtool will only create a static version of it." + if test "$build_old_libs" = no; then + oldlibs="$output_objdir/$libname.$libext" + build_libtool_libs=module + build_old_libs=yes + else + build_libtool_libs=no + fi + fi + fi + fi + # Done checking deplibs! + deplibs=$newdeplibs + fi + # Time to change all our "foo.ltframework" stuff back to "-framework foo" + case $host in + *-*-darwin*) + newdeplibs=`$ECHO " $newdeplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + new_inherited_linker_flags=`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + deplibs=`$ECHO " $deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + ;; + esac + + # move library search paths that coincide with paths to not yet + # installed libraries to the beginning of the library search list + new_libs= + for path in $notinst_path; do + case " $new_libs " in + *" -L$path/$objdir "*) ;; + *) + case " $deplibs " in + *" -L$path/$objdir "*) + func_append new_libs " -L$path/$objdir" ;; + esac + ;; + esac + done + for deplib in $deplibs; do + case $deplib in + -L*) + case " $new_libs " in + *" $deplib "*) ;; + *) func_append new_libs " $deplib" ;; + esac + ;; + *) func_append new_libs " $deplib" ;; + esac + done + deplibs="$new_libs" + + # All the library-specific variables (install_libdir is set above). + library_names= + old_library= + dlname= + + # Test again, we may have decided not to build it any more + if test "$build_libtool_libs" = yes; then + if test "$hardcode_into_libs" = yes; then + # Hardcode the library paths + hardcode_libdirs= + dep_rpath= + rpath="$finalize_rpath" + test "$opt_mode" != relink && rpath="$compile_rpath$rpath" + for libdir in $rpath; do + if test -n "$hardcode_libdir_flag_spec"; then + if test -n "$hardcode_libdir_separator"; then + func_replace_sysroot "$libdir" + libdir=$func_replace_sysroot_result + if test -z "$hardcode_libdirs"; then + hardcode_libdirs="$libdir" + else + # Just accumulate the unique libdirs. + case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in + *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) + ;; + *) + func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" + ;; + esac + fi + else + eval flag=\"$hardcode_libdir_flag_spec\" + func_append dep_rpath " $flag" + fi + elif test -n "$runpath_var"; then + case "$perm_rpath " in + *" $libdir "*) ;; + *) func_append perm_rpath " $libdir" ;; + esac + fi + done + # Substitute the hardcoded libdirs into the rpath. + if test -n "$hardcode_libdir_separator" && + test -n "$hardcode_libdirs"; then + libdir="$hardcode_libdirs" + if test -n "$hardcode_libdir_flag_spec_ld"; then + eval dep_rpath=\"$hardcode_libdir_flag_spec_ld\" + else + eval dep_rpath=\"$hardcode_libdir_flag_spec\" + fi + fi + if test -n "$runpath_var" && test -n "$perm_rpath"; then + # We should set the runpath_var. + rpath= + for dir in $perm_rpath; do + func_append rpath "$dir:" + done + eval "$runpath_var='$rpath\$$runpath_var'; export $runpath_var" + fi + test -n "$dep_rpath" && deplibs="$dep_rpath $deplibs" + fi + + shlibpath="$finalize_shlibpath" + test "$opt_mode" != relink && shlibpath="$compile_shlibpath$shlibpath" + if test -n "$shlibpath"; then + eval "$shlibpath_var='$shlibpath\$$shlibpath_var'; export $shlibpath_var" + fi + + # Get the real and link names of the library. + eval shared_ext=\"$shrext_cmds\" + eval library_names=\"$library_names_spec\" + set dummy $library_names + shift + realname="$1" + shift + + if test -n "$soname_spec"; then + eval soname=\"$soname_spec\" + else + soname="$realname" + fi + if test -z "$dlname"; then + dlname=$soname + fi + + lib="$output_objdir/$realname" + linknames= + for link + do + func_append linknames " $link" + done + + # Use standard objects if they are pic + test -z "$pic_flag" && libobjs=`$ECHO "$libobjs" | $SP2NL | $SED "$lo2o" | $NL2SP` + test "X$libobjs" = "X " && libobjs= + + delfiles= + if test -n "$export_symbols" && test -n "$include_expsyms"; then + $opt_dry_run || cp "$export_symbols" "$output_objdir/$libname.uexp" + export_symbols="$output_objdir/$libname.uexp" + func_append delfiles " $export_symbols" + fi + + orig_export_symbols= + case $host_os in + cygwin* | mingw* | cegcc*) + if test -n "$export_symbols" && test -z "$export_symbols_regex"; then + # exporting using user supplied symfile + if test "x`$SED 1q $export_symbols`" != xEXPORTS; then + # and it's NOT already a .def file. Must figure out + # which of the given symbols are data symbols and tag + # them as such. So, trigger use of export_symbols_cmds. + # export_symbols gets reassigned inside the "prepare + # the list of exported symbols" if statement, so the + # include_expsyms logic still works. + orig_export_symbols="$export_symbols" + export_symbols= + always_export_symbols=yes + fi + fi + ;; + esac + + # Prepare the list of exported symbols + if test -z "$export_symbols"; then + if test "$always_export_symbols" = yes || test -n "$export_symbols_regex"; then + func_verbose "generating symbol list for \`$libname.la'" + export_symbols="$output_objdir/$libname.exp" + $opt_dry_run || $RM $export_symbols + cmds=$export_symbols_cmds + save_ifs="$IFS"; IFS='~' + for cmd1 in $cmds; do + IFS="$save_ifs" + # Take the normal branch if the nm_file_list_spec branch + # doesn't work or if tool conversion is not needed. + case $nm_file_list_spec~$to_tool_file_cmd in + *~func_convert_file_noop | *~func_convert_file_msys_to_w32 | ~*) + try_normal_branch=yes + eval cmd=\"$cmd1\" + func_len " $cmd" + len=$func_len_result + ;; + *) + try_normal_branch=no + ;; + esac + if test "$try_normal_branch" = yes \ + && { test "$len" -lt "$max_cmd_len" \ + || test "$max_cmd_len" -le -1; } + then + func_show_eval "$cmd" 'exit $?' + skipped_export=false + elif test -n "$nm_file_list_spec"; then + func_basename "$output" + output_la=$func_basename_result + save_libobjs=$libobjs + save_output=$output + output=${output_objdir}/${output_la}.nm + func_to_tool_file "$output" + libobjs=$nm_file_list_spec$func_to_tool_file_result + func_append delfiles " $output" + func_verbose "creating $NM input file list: $output" + for obj in $save_libobjs; do + func_to_tool_file "$obj" + $ECHO "$func_to_tool_file_result" + done > "$output" + eval cmd=\"$cmd1\" + func_show_eval "$cmd" 'exit $?' + output=$save_output + libobjs=$save_libobjs + skipped_export=false + else + # The command line is too long to execute in one step. + func_verbose "using reloadable object file for export list..." + skipped_export=: + # Break out early, otherwise skipped_export may be + # set to false by a later but shorter cmd. + break + fi + done + IFS="$save_ifs" + if test -n "$export_symbols_regex" && test "X$skipped_export" != "X:"; then + func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' + func_show_eval '$MV "${export_symbols}T" "$export_symbols"' + fi + fi + fi + + if test -n "$export_symbols" && test -n "$include_expsyms"; then + tmp_export_symbols="$export_symbols" + test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols" + $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"' + fi + + if test "X$skipped_export" != "X:" && test -n "$orig_export_symbols"; then + # The given exports_symbols file has to be filtered, so filter it. + func_verbose "filter symbol list for \`$libname.la' to tag DATA exports" + # FIXME: $output_objdir/$libname.filter potentially contains lots of + # 's' commands which not all seds can handle. GNU sed should be fine + # though. Also, the filter scales superlinearly with the number of + # global variables. join(1) would be nice here, but unfortunately + # isn't a blessed tool. + $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter + func_append delfiles " $export_symbols $output_objdir/$libname.filter" + export_symbols=$output_objdir/$libname.def + $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols + fi + + tmp_deplibs= + for test_deplib in $deplibs; do + case " $convenience " in + *" $test_deplib "*) ;; + *) + func_append tmp_deplibs " $test_deplib" + ;; + esac + done + deplibs="$tmp_deplibs" + + if test -n "$convenience"; then + if test -n "$whole_archive_flag_spec" && + test "$compiler_needs_object" = yes && + test -z "$libobjs"; then + # extract the archives, so we have objects to list. + # TODO: could optimize this to just extract one archive. + whole_archive_flag_spec= + fi + if test -n "$whole_archive_flag_spec"; then + save_libobjs=$libobjs + eval libobjs=\"\$libobjs $whole_archive_flag_spec\" + test "X$libobjs" = "X " && libobjs= + else + gentop="$output_objdir/${outputname}x" + func_append generated " $gentop" + + func_extract_archives $gentop $convenience + func_append libobjs " $func_extract_archives_result" + test "X$libobjs" = "X " && libobjs= + fi + fi + + if test "$thread_safe" = yes && test -n "$thread_safe_flag_spec"; then + eval flag=\"$thread_safe_flag_spec\" + func_append linker_flags " $flag" + fi + + # Make a backup of the uninstalled library when relinking + if test "$opt_mode" = relink; then + $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}U && $MV $realname ${realname}U)' || exit $? + fi + + # Do each of the archive commands. + if test "$module" = yes && test -n "$module_cmds" ; then + if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then + eval test_cmds=\"$module_expsym_cmds\" + cmds=$module_expsym_cmds + else + eval test_cmds=\"$module_cmds\" + cmds=$module_cmds + fi + else + if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then + eval test_cmds=\"$archive_expsym_cmds\" + cmds=$archive_expsym_cmds + else + eval test_cmds=\"$archive_cmds\" + cmds=$archive_cmds + fi + fi + + if test "X$skipped_export" != "X:" && + func_len " $test_cmds" && + len=$func_len_result && + test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then + : + else + # The command line is too long to link in one step, link piecewise + # or, if using GNU ld and skipped_export is not :, use a linker + # script. + + # Save the value of $output and $libobjs because we want to + # use them later. If we have whole_archive_flag_spec, we + # want to use save_libobjs as it was before + # whole_archive_flag_spec was expanded, because we can't + # assume the linker understands whole_archive_flag_spec. + # This may have to be revisited, in case too many + # convenience libraries get linked in and end up exceeding + # the spec. + if test -z "$convenience" || test -z "$whole_archive_flag_spec"; then + save_libobjs=$libobjs + fi + save_output=$output + func_basename "$output" + output_la=$func_basename_result + + # Clear the reloadable object creation command queue and + # initialize k to one. + test_cmds= + concat_cmds= + objlist= + last_robj= + k=1 + + if test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "$with_gnu_ld" = yes; then + output=${output_objdir}/${output_la}.lnkscript + func_verbose "creating GNU ld script: $output" + echo 'INPUT (' > $output + for obj in $save_libobjs + do + func_to_tool_file "$obj" + $ECHO "$func_to_tool_file_result" >> $output + done + echo ')' >> $output + func_append delfiles " $output" + func_to_tool_file "$output" + output=$func_to_tool_file_result + elif test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "X$file_list_spec" != X; then + output=${output_objdir}/${output_la}.lnk + func_verbose "creating linker input file list: $output" + : > $output + set x $save_libobjs + shift + firstobj= + if test "$compiler_needs_object" = yes; then + firstobj="$1 " + shift + fi + for obj + do + func_to_tool_file "$obj" + $ECHO "$func_to_tool_file_result" >> $output + done + func_append delfiles " $output" + func_to_tool_file "$output" + output=$firstobj\"$file_list_spec$func_to_tool_file_result\" + else + if test -n "$save_libobjs"; then + func_verbose "creating reloadable object files..." + output=$output_objdir/$output_la-${k}.$objext + eval test_cmds=\"$reload_cmds\" + func_len " $test_cmds" + len0=$func_len_result + len=$len0 + + # Loop over the list of objects to be linked. + for obj in $save_libobjs + do + func_len " $obj" + func_arith $len + $func_len_result + len=$func_arith_result + if test "X$objlist" = X || + test "$len" -lt "$max_cmd_len"; then + func_append objlist " $obj" + else + # The command $test_cmds is almost too long, add a + # command to the queue. + if test "$k" -eq 1 ; then + # The first file doesn't have a previous command to add. + reload_objs=$objlist + eval concat_cmds=\"$reload_cmds\" + else + # All subsequent reloadable object files will link in + # the last one created. + reload_objs="$objlist $last_robj" + eval concat_cmds=\"\$concat_cmds~$reload_cmds~\$RM $last_robj\" + fi + last_robj=$output_objdir/$output_la-${k}.$objext + func_arith $k + 1 + k=$func_arith_result + output=$output_objdir/$output_la-${k}.$objext + objlist=" $obj" + func_len " $last_robj" + func_arith $len0 + $func_len_result + len=$func_arith_result + fi + done + # Handle the remaining objects by creating one last + # reloadable object file. All subsequent reloadable object + # files will link in the last one created. + test -z "$concat_cmds" || concat_cmds=$concat_cmds~ + reload_objs="$objlist $last_robj" + eval concat_cmds=\"\${concat_cmds}$reload_cmds\" + if test -n "$last_robj"; then + eval concat_cmds=\"\${concat_cmds}~\$RM $last_robj\" + fi + func_append delfiles " $output" + + else + output= + fi + + if ${skipped_export-false}; then + func_verbose "generating symbol list for \`$libname.la'" + export_symbols="$output_objdir/$libname.exp" + $opt_dry_run || $RM $export_symbols + libobjs=$output + # Append the command to create the export file. + test -z "$concat_cmds" || concat_cmds=$concat_cmds~ + eval concat_cmds=\"\$concat_cmds$export_symbols_cmds\" + if test -n "$last_robj"; then + eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\" + fi + fi + + test -n "$save_libobjs" && + func_verbose "creating a temporary reloadable object file: $output" + + # Loop through the commands generated above and execute them. + save_ifs="$IFS"; IFS='~' + for cmd in $concat_cmds; do + IFS="$save_ifs" + $opt_silent || { + func_quote_for_expand "$cmd" + eval "func_echo $func_quote_for_expand_result" + } + $opt_dry_run || eval "$cmd" || { + lt_exit=$? + + # Restore the uninstalled library and exit + if test "$opt_mode" = relink; then + ( cd "$output_objdir" && \ + $RM "${realname}T" && \ + $MV "${realname}U" "$realname" ) + fi + + exit $lt_exit + } + done + IFS="$save_ifs" + + if test -n "$export_symbols_regex" && ${skipped_export-false}; then + func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' + func_show_eval '$MV "${export_symbols}T" "$export_symbols"' + fi + fi + + if ${skipped_export-false}; then + if test -n "$export_symbols" && test -n "$include_expsyms"; then + tmp_export_symbols="$export_symbols" + test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols" + $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"' + fi + + if test -n "$orig_export_symbols"; then + # The given exports_symbols file has to be filtered, so filter it. + func_verbose "filter symbol list for \`$libname.la' to tag DATA exports" + # FIXME: $output_objdir/$libname.filter potentially contains lots of + # 's' commands which not all seds can handle. GNU sed should be fine + # though. Also, the filter scales superlinearly with the number of + # global variables. join(1) would be nice here, but unfortunately + # isn't a blessed tool. + $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter + func_append delfiles " $export_symbols $output_objdir/$libname.filter" + export_symbols=$output_objdir/$libname.def + $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols + fi + fi + + libobjs=$output + # Restore the value of output. + output=$save_output + + if test -n "$convenience" && test -n "$whole_archive_flag_spec"; then + eval libobjs=\"\$libobjs $whole_archive_flag_spec\" + test "X$libobjs" = "X " && libobjs= + fi + # Expand the library linking commands again to reset the + # value of $libobjs for piecewise linking. + + # Do each of the archive commands. + if test "$module" = yes && test -n "$module_cmds" ; then + if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then + cmds=$module_expsym_cmds + else + cmds=$module_cmds + fi + else + if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then + cmds=$archive_expsym_cmds + else + cmds=$archive_cmds + fi + fi + fi + + if test -n "$delfiles"; then + # Append the command to remove temporary files to $cmds. + eval cmds=\"\$cmds~\$RM $delfiles\" + fi + + # Add any objects from preloaded convenience libraries + if test -n "$dlprefiles"; then + gentop="$output_objdir/${outputname}x" + func_append generated " $gentop" + + func_extract_archives $gentop $dlprefiles + func_append libobjs " $func_extract_archives_result" + test "X$libobjs" = "X " && libobjs= + fi + + save_ifs="$IFS"; IFS='~' + for cmd in $cmds; do + IFS="$save_ifs" + eval cmd=\"$cmd\" + $opt_silent || { + func_quote_for_expand "$cmd" + eval "func_echo $func_quote_for_expand_result" + } + $opt_dry_run || eval "$cmd" || { + lt_exit=$? + + # Restore the uninstalled library and exit + if test "$opt_mode" = relink; then + ( cd "$output_objdir" && \ + $RM "${realname}T" && \ + $MV "${realname}U" "$realname" ) + fi + + exit $lt_exit + } + done + IFS="$save_ifs" + + # Restore the uninstalled library and exit + if test "$opt_mode" = relink; then + $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}T && $MV $realname ${realname}T && $MV ${realname}U $realname)' || exit $? + + if test -n "$convenience"; then + if test -z "$whole_archive_flag_spec"; then + func_show_eval '${RM}r "$gentop"' + fi + fi + + exit $EXIT_SUCCESS + fi + + # Create links to the real library. + for linkname in $linknames; do + if test "$realname" != "$linkname"; then + func_show_eval '(cd "$output_objdir" && $RM "$linkname" && $LN_S "$realname" "$linkname")' 'exit $?' + fi + done + + # If -module or -export-dynamic was specified, set the dlname. + if test "$module" = yes || test "$export_dynamic" = yes; then + # On all known operating systems, these are identical. + dlname="$soname" + fi + fi + ;; + + obj) + if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then + func_warning "\`-dlopen' is ignored for objects" + fi + + case " $deplibs" in + *\ -l* | *\ -L*) + func_warning "\`-l' and \`-L' are ignored for objects" ;; + esac + + test -n "$rpath" && \ + func_warning "\`-rpath' is ignored for objects" + + test -n "$xrpath" && \ + func_warning "\`-R' is ignored for objects" + + test -n "$vinfo" && \ + func_warning "\`-version-info' is ignored for objects" + + test -n "$release" && \ + func_warning "\`-release' is ignored for objects" + + case $output in + *.lo) + test -n "$objs$old_deplibs" && \ + func_fatal_error "cannot build library object \`$output' from non-libtool objects" + + libobj=$output + func_lo2o "$libobj" + obj=$func_lo2o_result + ;; + *) + libobj= + obj="$output" + ;; + esac + + # Delete the old objects. + $opt_dry_run || $RM $obj $libobj + + # Objects from convenience libraries. This assumes + # single-version convenience libraries. Whenever we create + # different ones for PIC/non-PIC, this we'll have to duplicate + # the extraction. + reload_conv_objs= + gentop= + # reload_cmds runs $LD directly, so let us get rid of + # -Wl from whole_archive_flag_spec and hope we can get by with + # turning comma into space.. + wl= + + if test -n "$convenience"; then + if test -n "$whole_archive_flag_spec"; then + eval tmp_whole_archive_flags=\"$whole_archive_flag_spec\" + reload_conv_objs=$reload_objs\ `$ECHO "$tmp_whole_archive_flags" | $SED 's|,| |g'` + else + gentop="$output_objdir/${obj}x" + func_append generated " $gentop" + + func_extract_archives $gentop $convenience + reload_conv_objs="$reload_objs $func_extract_archives_result" + fi + fi + + # If we're not building shared, we need to use non_pic_objs + test "$build_libtool_libs" != yes && libobjs="$non_pic_objects" + + # Create the old-style object. + reload_objs="$objs$old_deplibs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.${libext}$/d; /\.lib$/d; $lo2o" | $NL2SP`" $reload_conv_objs" ### testsuite: skip nested quoting test + + output="$obj" + func_execute_cmds "$reload_cmds" 'exit $?' + + # Exit if we aren't doing a library object file. + if test -z "$libobj"; then + if test -n "$gentop"; then + func_show_eval '${RM}r "$gentop"' + fi + + exit $EXIT_SUCCESS + fi + + if test "$build_libtool_libs" != yes; then + if test -n "$gentop"; then + func_show_eval '${RM}r "$gentop"' + fi + + # Create an invalid libtool object if no PIC, so that we don't + # accidentally link it into a program. + # $show "echo timestamp > $libobj" + # $opt_dry_run || eval "echo timestamp > $libobj" || exit $? + exit $EXIT_SUCCESS + fi + + if test -n "$pic_flag" || test "$pic_mode" != default; then + # Only do commands if we really have different PIC objects. + reload_objs="$libobjs $reload_conv_objs" + output="$libobj" + func_execute_cmds "$reload_cmds" 'exit $?' + fi + + if test -n "$gentop"; then + func_show_eval '${RM}r "$gentop"' + fi + + exit $EXIT_SUCCESS + ;; + + prog) + case $host in + *cygwin*) func_stripname '' '.exe' "$output" + output=$func_stripname_result.exe;; + esac + test -n "$vinfo" && \ + func_warning "\`-version-info' is ignored for programs" + + test -n "$release" && \ + func_warning "\`-release' is ignored for programs" + + test "$preload" = yes \ + && test "$dlopen_support" = unknown \ + && test "$dlopen_self" = unknown \ + && test "$dlopen_self_static" = unknown && \ + func_warning "\`LT_INIT([dlopen])' not used. Assuming no dlopen support." + + case $host in + *-*-rhapsody* | *-*-darwin1.[012]) + # On Rhapsody replace the C library is the System framework + compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's/ -lc / System.ltframework /'` + finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's/ -lc / System.ltframework /'` + ;; + esac + + case $host in + *-*-darwin*) + # Don't allow lazy linking, it breaks C++ global constructors + # But is supposedly fixed on 10.4 or later (yay!). + if test "$tagname" = CXX ; then + case ${MACOSX_DEPLOYMENT_TARGET-10.0} in + 10.[0123]) + func_append compile_command " ${wl}-bind_at_load" + func_append finalize_command " ${wl}-bind_at_load" + ;; + esac + fi + # Time to change all our "foo.ltframework" stuff back to "-framework foo" + compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + ;; + esac + + + # move library search paths that coincide with paths to not yet + # installed libraries to the beginning of the library search list + new_libs= + for path in $notinst_path; do + case " $new_libs " in + *" -L$path/$objdir "*) ;; + *) + case " $compile_deplibs " in + *" -L$path/$objdir "*) + func_append new_libs " -L$path/$objdir" ;; + esac + ;; + esac + done + for deplib in $compile_deplibs; do + case $deplib in + -L*) + case " $new_libs " in + *" $deplib "*) ;; + *) func_append new_libs " $deplib" ;; + esac + ;; + *) func_append new_libs " $deplib" ;; + esac + done + compile_deplibs="$new_libs" + + + func_append compile_command " $compile_deplibs" + func_append finalize_command " $finalize_deplibs" + + if test -n "$rpath$xrpath"; then + # If the user specified any rpath flags, then add them. + for libdir in $rpath $xrpath; do + # This is the magic to use -rpath. + case "$finalize_rpath " in + *" $libdir "*) ;; + *) func_append finalize_rpath " $libdir" ;; + esac + done + fi + + # Now hardcode the library paths + rpath= + hardcode_libdirs= + for libdir in $compile_rpath $finalize_rpath; do + if test -n "$hardcode_libdir_flag_spec"; then + if test -n "$hardcode_libdir_separator"; then + if test -z "$hardcode_libdirs"; then + hardcode_libdirs="$libdir" + else + # Just accumulate the unique libdirs. + case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in + *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) + ;; + *) + func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" + ;; + esac + fi + else + eval flag=\"$hardcode_libdir_flag_spec\" + func_append rpath " $flag" + fi + elif test -n "$runpath_var"; then + case "$perm_rpath " in + *" $libdir "*) ;; + *) func_append perm_rpath " $libdir" ;; + esac + fi + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) + testbindir=`${ECHO} "$libdir" | ${SED} -e 's*/lib$*/bin*'` + case :$dllsearchpath: in + *":$libdir:"*) ;; + ::) dllsearchpath=$libdir;; + *) func_append dllsearchpath ":$libdir";; + esac + case :$dllsearchpath: in + *":$testbindir:"*) ;; + ::) dllsearchpath=$testbindir;; + *) func_append dllsearchpath ":$testbindir";; + esac + ;; + esac + done + # Substitute the hardcoded libdirs into the rpath. + if test -n "$hardcode_libdir_separator" && + test -n "$hardcode_libdirs"; then + libdir="$hardcode_libdirs" + eval rpath=\" $hardcode_libdir_flag_spec\" + fi + compile_rpath="$rpath" + + rpath= + hardcode_libdirs= + for libdir in $finalize_rpath; do + if test -n "$hardcode_libdir_flag_spec"; then + if test -n "$hardcode_libdir_separator"; then + if test -z "$hardcode_libdirs"; then + hardcode_libdirs="$libdir" + else + # Just accumulate the unique libdirs. + case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in + *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) + ;; + *) + func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" + ;; + esac + fi + else + eval flag=\"$hardcode_libdir_flag_spec\" + func_append rpath " $flag" + fi + elif test -n "$runpath_var"; then + case "$finalize_perm_rpath " in + *" $libdir "*) ;; + *) func_append finalize_perm_rpath " $libdir" ;; + esac + fi + done + # Substitute the hardcoded libdirs into the rpath. + if test -n "$hardcode_libdir_separator" && + test -n "$hardcode_libdirs"; then + libdir="$hardcode_libdirs" + eval rpath=\" $hardcode_libdir_flag_spec\" + fi + finalize_rpath="$rpath" + + if test -n "$libobjs" && test "$build_old_libs" = yes; then + # Transform all the library objects into standard objects. + compile_command=`$ECHO "$compile_command" | $SP2NL | $SED "$lo2o" | $NL2SP` + finalize_command=`$ECHO "$finalize_command" | $SP2NL | $SED "$lo2o" | $NL2SP` + fi + + func_generate_dlsyms "$outputname" "@PROGRAM@" "no" + + # template prelinking step + if test -n "$prelink_cmds"; then + func_execute_cmds "$prelink_cmds" 'exit $?' + fi + + wrappers_required=yes + case $host in + *cegcc* | *mingw32ce*) + # Disable wrappers for cegcc and mingw32ce hosts, we are cross compiling anyway. + wrappers_required=no + ;; + *cygwin* | *mingw* ) + if test "$build_libtool_libs" != yes; then + wrappers_required=no + fi + ;; + *) + if test "$need_relink" = no || test "$build_libtool_libs" != yes; then + wrappers_required=no + fi + ;; + esac + if test "$wrappers_required" = no; then + # Replace the output file specification. + compile_command=`$ECHO "$compile_command" | $SED 's%@OUTPUT@%'"$output"'%g'` + link_command="$compile_command$compile_rpath" + + # We have no uninstalled library dependencies, so finalize right now. + exit_status=0 + func_show_eval "$link_command" 'exit_status=$?' + + if test -n "$postlink_cmds"; then + func_to_tool_file "$output" + postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` + func_execute_cmds "$postlink_cmds" 'exit $?' + fi + + # Delete the generated files. + if test -f "$output_objdir/${outputname}S.${objext}"; then + func_show_eval '$RM "$output_objdir/${outputname}S.${objext}"' + fi + + exit $exit_status + fi + + if test -n "$compile_shlibpath$finalize_shlibpath"; then + compile_command="$shlibpath_var=\"$compile_shlibpath$finalize_shlibpath\$$shlibpath_var\" $compile_command" + fi + if test -n "$finalize_shlibpath"; then + finalize_command="$shlibpath_var=\"$finalize_shlibpath\$$shlibpath_var\" $finalize_command" + fi + + compile_var= + finalize_var= + if test -n "$runpath_var"; then + if test -n "$perm_rpath"; then + # We should set the runpath_var. + rpath= + for dir in $perm_rpath; do + func_append rpath "$dir:" + done + compile_var="$runpath_var=\"$rpath\$$runpath_var\" " + fi + if test -n "$finalize_perm_rpath"; then + # We should set the runpath_var. + rpath= + for dir in $finalize_perm_rpath; do + func_append rpath "$dir:" + done + finalize_var="$runpath_var=\"$rpath\$$runpath_var\" " + fi + fi + + if test "$no_install" = yes; then + # We don't need to create a wrapper script. + link_command="$compile_var$compile_command$compile_rpath" + # Replace the output file specification. + link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output"'%g'` + # Delete the old output file. + $opt_dry_run || $RM $output + # Link the executable and exit + func_show_eval "$link_command" 'exit $?' + + if test -n "$postlink_cmds"; then + func_to_tool_file "$output" + postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` + func_execute_cmds "$postlink_cmds" 'exit $?' + fi + + exit $EXIT_SUCCESS + fi + + if test "$hardcode_action" = relink; then + # Fast installation is not supported + link_command="$compile_var$compile_command$compile_rpath" + relink_command="$finalize_var$finalize_command$finalize_rpath" + + func_warning "this platform does not like uninstalled shared libraries" + func_warning "\`$output' will be relinked during installation" + else + if test "$fast_install" != no; then + link_command="$finalize_var$compile_command$finalize_rpath" + if test "$fast_install" = yes; then + relink_command=`$ECHO "$compile_var$compile_command$compile_rpath" | $SED 's%@OUTPUT@%\$progdir/\$file%g'` + else + # fast_install is set to needless + relink_command= + fi + else + link_command="$compile_var$compile_command$compile_rpath" + relink_command="$finalize_var$finalize_command$finalize_rpath" + fi + fi + + # Replace the output file specification. + link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output_objdir/$outputname"'%g'` + + # Delete the old output files. + $opt_dry_run || $RM $output $output_objdir/$outputname $output_objdir/lt-$outputname + + func_show_eval "$link_command" 'exit $?' + + if test -n "$postlink_cmds"; then + func_to_tool_file "$output_objdir/$outputname" + postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output_objdir/$outputname"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` + func_execute_cmds "$postlink_cmds" 'exit $?' + fi + + # Now create the wrapper script. + func_verbose "creating $output" + + # Quote the relink command for shipping. + if test -n "$relink_command"; then + # Preserve any variables that may affect compiler behavior + for var in $variables_saved_for_relink; do + if eval test -z \"\${$var+set}\"; then + relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command" + elif eval var_value=\$$var; test -z "$var_value"; then + relink_command="$var=; export $var; $relink_command" + else + func_quote_for_eval "$var_value" + relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command" + fi + done + relink_command="(cd `pwd`; $relink_command)" + relink_command=`$ECHO "$relink_command" | $SED "$sed_quote_subst"` + fi + + # Only actually do things if not in dry run mode. + $opt_dry_run || { + # win32 will think the script is a binary if it has + # a .exe suffix, so we strip it off here. + case $output in + *.exe) func_stripname '' '.exe' "$output" + output=$func_stripname_result ;; + esac + # test for cygwin because mv fails w/o .exe extensions + case $host in + *cygwin*) + exeext=.exe + func_stripname '' '.exe' "$outputname" + outputname=$func_stripname_result ;; + *) exeext= ;; + esac + case $host in + *cygwin* | *mingw* ) + func_dirname_and_basename "$output" "" "." + output_name=$func_basename_result + output_path=$func_dirname_result + cwrappersource="$output_path/$objdir/lt-$output_name.c" + cwrapper="$output_path/$output_name.exe" + $RM $cwrappersource $cwrapper + trap "$RM $cwrappersource $cwrapper; exit $EXIT_FAILURE" 1 2 15 + + func_emit_cwrapperexe_src > $cwrappersource + + # The wrapper executable is built using the $host compiler, + # because it contains $host paths and files. If cross- + # compiling, it, like the target executable, must be + # executed on the $host or under an emulation environment. + $opt_dry_run || { + $LTCC $LTCFLAGS -o $cwrapper $cwrappersource + $STRIP $cwrapper + } + + # Now, create the wrapper script for func_source use: + func_ltwrapper_scriptname $cwrapper + $RM $func_ltwrapper_scriptname_result + trap "$RM $func_ltwrapper_scriptname_result; exit $EXIT_FAILURE" 1 2 15 + $opt_dry_run || { + # note: this script will not be executed, so do not chmod. + if test "x$build" = "x$host" ; then + $cwrapper --lt-dump-script > $func_ltwrapper_scriptname_result + else + func_emit_wrapper no > $func_ltwrapper_scriptname_result + fi + } + ;; + * ) + $RM $output + trap "$RM $output; exit $EXIT_FAILURE" 1 2 15 + + func_emit_wrapper no > $output + chmod +x $output + ;; + esac + } + exit $EXIT_SUCCESS + ;; + esac + + # See if we need to build an old-fashioned archive. + for oldlib in $oldlibs; do + + if test "$build_libtool_libs" = convenience; then + oldobjs="$libobjs_save $symfileobj" + addlibs="$convenience" + build_libtool_libs=no + else + if test "$build_libtool_libs" = module; then + oldobjs="$libobjs_save" + build_libtool_libs=no + else + oldobjs="$old_deplibs $non_pic_objects" + if test "$preload" = yes && test -f "$symfileobj"; then + func_append oldobjs " $symfileobj" + fi + fi + addlibs="$old_convenience" + fi + + if test -n "$addlibs"; then + gentop="$output_objdir/${outputname}x" + func_append generated " $gentop" + + func_extract_archives $gentop $addlibs + func_append oldobjs " $func_extract_archives_result" + fi + + # Do each command in the archive commands. + if test -n "$old_archive_from_new_cmds" && test "$build_libtool_libs" = yes; then + cmds=$old_archive_from_new_cmds + else + + # Add any objects from preloaded convenience libraries + if test -n "$dlprefiles"; then + gentop="$output_objdir/${outputname}x" + func_append generated " $gentop" + + func_extract_archives $gentop $dlprefiles + func_append oldobjs " $func_extract_archives_result" + fi + + # POSIX demands no paths to be encoded in archives. We have + # to avoid creating archives with duplicate basenames if we + # might have to extract them afterwards, e.g., when creating a + # static archive out of a convenience library, or when linking + # the entirety of a libtool archive into another (currently + # not supported by libtool). + if (for obj in $oldobjs + do + func_basename "$obj" + $ECHO "$func_basename_result" + done | sort | sort -uc >/dev/null 2>&1); then + : + else + echo "copying selected object files to avoid basename conflicts..." + gentop="$output_objdir/${outputname}x" + func_append generated " $gentop" + func_mkdir_p "$gentop" + save_oldobjs=$oldobjs + oldobjs= + counter=1 + for obj in $save_oldobjs + do + func_basename "$obj" + objbase="$func_basename_result" + case " $oldobjs " in + " ") oldobjs=$obj ;; + *[\ /]"$objbase "*) + while :; do + # Make sure we don't pick an alternate name that also + # overlaps. + newobj=lt$counter-$objbase + func_arith $counter + 1 + counter=$func_arith_result + case " $oldobjs " in + *[\ /]"$newobj "*) ;; + *) if test ! -f "$gentop/$newobj"; then break; fi ;; + esac + done + func_show_eval "ln $obj $gentop/$newobj || cp $obj $gentop/$newobj" + func_append oldobjs " $gentop/$newobj" + ;; + *) func_append oldobjs " $obj" ;; + esac + done + fi + eval cmds=\"$old_archive_cmds\" + + func_len " $cmds" + len=$func_len_result + if test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then + cmds=$old_archive_cmds + elif test -n "$archiver_list_spec"; then + func_verbose "using command file archive linking..." + for obj in $oldobjs + do + func_to_tool_file "$obj" + $ECHO "$func_to_tool_file_result" + done > $output_objdir/$libname.libcmd + func_to_tool_file "$output_objdir/$libname.libcmd" + oldobjs=" $archiver_list_spec$func_to_tool_file_result" + cmds=$old_archive_cmds + else + # the command line is too long to link in one step, link in parts + func_verbose "using piecewise archive linking..." + save_RANLIB=$RANLIB + RANLIB=: + objlist= + concat_cmds= + save_oldobjs=$oldobjs + oldobjs= + # Is there a better way of finding the last object in the list? + for obj in $save_oldobjs + do + last_oldobj=$obj + done + eval test_cmds=\"$old_archive_cmds\" + func_len " $test_cmds" + len0=$func_len_result + len=$len0 + for obj in $save_oldobjs + do + func_len " $obj" + func_arith $len + $func_len_result + len=$func_arith_result + func_append objlist " $obj" + if test "$len" -lt "$max_cmd_len"; then + : + else + # the above command should be used before it gets too long + oldobjs=$objlist + if test "$obj" = "$last_oldobj" ; then + RANLIB=$save_RANLIB + fi + test -z "$concat_cmds" || concat_cmds=$concat_cmds~ + eval concat_cmds=\"\${concat_cmds}$old_archive_cmds\" + objlist= + len=$len0 + fi + done + RANLIB=$save_RANLIB + oldobjs=$objlist + if test "X$oldobjs" = "X" ; then + eval cmds=\"\$concat_cmds\" + else + eval cmds=\"\$concat_cmds~\$old_archive_cmds\" + fi + fi + fi + func_execute_cmds "$cmds" 'exit $?' + done + + test -n "$generated" && \ + func_show_eval "${RM}r$generated" + + # Now create the libtool archive. + case $output in + *.la) + old_library= + test "$build_old_libs" = yes && old_library="$libname.$libext" + func_verbose "creating $output" + + # Preserve any variables that may affect compiler behavior + for var in $variables_saved_for_relink; do + if eval test -z \"\${$var+set}\"; then + relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command" + elif eval var_value=\$$var; test -z "$var_value"; then + relink_command="$var=; export $var; $relink_command" + else + func_quote_for_eval "$var_value" + relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command" + fi + done + # Quote the link command for shipping. + relink_command="(cd `pwd`; $SHELL $progpath $preserve_args --mode=relink $libtool_args @inst_prefix_dir@)" + relink_command=`$ECHO "$relink_command" | $SED "$sed_quote_subst"` + if test "$hardcode_automatic" = yes ; then + relink_command= + fi + + # Only create the output if not a dry run. + $opt_dry_run || { + for installed in no yes; do + if test "$installed" = yes; then + if test -z "$install_libdir"; then + break + fi + output="$output_objdir/$outputname"i + # Replace all uninstalled libtool libraries with the installed ones + newdependency_libs= + for deplib in $dependency_libs; do + case $deplib in + *.la) + func_basename "$deplib" + name="$func_basename_result" + eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $deplib` + test -z "$libdir" && \ + func_fatal_error "\`$deplib' is not a valid libtool archive" + func_append newdependency_libs " ${lt_sysroot:+=}$libdir/$name" + ;; + -L*) + func_stripname -L '' "$deplib" + func_replace_sysroot "$func_stripname_result" + func_append newdependency_libs " -L$func_replace_sysroot_result" + ;; + -R*) + func_stripname -R '' "$deplib" + func_replace_sysroot "$func_stripname_result" + func_append newdependency_libs " -R$func_replace_sysroot_result" + ;; + *) func_append newdependency_libs " $deplib" ;; + esac + done + dependency_libs="$newdependency_libs" + newdlfiles= + + for lib in $dlfiles; do + case $lib in + *.la) + func_basename "$lib" + name="$func_basename_result" + eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $lib` + test -z "$libdir" && \ + func_fatal_error "\`$lib' is not a valid libtool archive" + func_append newdlfiles " ${lt_sysroot:+=}$libdir/$name" + ;; + *) func_append newdlfiles " $lib" ;; + esac + done + dlfiles="$newdlfiles" + newdlprefiles= + for lib in $dlprefiles; do + case $lib in + *.la) + # Only pass preopened files to the pseudo-archive (for + # eventual linking with the app. that links it) if we + # didn't already link the preopened objects directly into + # the library: + func_basename "$lib" + name="$func_basename_result" + eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $lib` + test -z "$libdir" && \ + func_fatal_error "\`$lib' is not a valid libtool archive" + func_append newdlprefiles " ${lt_sysroot:+=}$libdir/$name" + ;; + esac + done + dlprefiles="$newdlprefiles" + else + newdlfiles= + for lib in $dlfiles; do + case $lib in + [\\/]* | [A-Za-z]:[\\/]*) abs="$lib" ;; + *) abs=`pwd`"/$lib" ;; + esac + func_append newdlfiles " $abs" + done + dlfiles="$newdlfiles" + newdlprefiles= + for lib in $dlprefiles; do + case $lib in + [\\/]* | [A-Za-z]:[\\/]*) abs="$lib" ;; + *) abs=`pwd`"/$lib" ;; + esac + func_append newdlprefiles " $abs" + done + dlprefiles="$newdlprefiles" + fi + $RM $output + # place dlname in correct position for cygwin + # In fact, it would be nice if we could use this code for all target + # systems that can't hard-code library paths into their executables + # and that have no shared library path variable independent of PATH, + # but it turns out we can't easily determine that from inspecting + # libtool variables, so we have to hard-code the OSs to which it + # applies here; at the moment, that means platforms that use the PE + # object format with DLL files. See the long comment at the top of + # tests/bindir.at for full details. + tdlname=$dlname + case $host,$output,$installed,$module,$dlname in + *cygwin*,*lai,yes,no,*.dll | *mingw*,*lai,yes,no,*.dll | *cegcc*,*lai,yes,no,*.dll) + # If a -bindir argument was supplied, place the dll there. + if test "x$bindir" != x ; + then + func_relative_path "$install_libdir" "$bindir" + tdlname=$func_relative_path_result$dlname + else + # Otherwise fall back on heuristic. + tdlname=../bin/$dlname + fi + ;; + esac + $ECHO > $output "\ +# $outputname - a libtool library file +# Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION +# +# Please DO NOT delete this file! +# It is necessary for linking the library. + +# The name that we can dlopen(3). +dlname='$tdlname' + +# Names of this library. +library_names='$library_names' + +# The name of the static archive. +old_library='$old_library' + +# Linker flags that can not go in dependency_libs. +inherited_linker_flags='$new_inherited_linker_flags' + +# Libraries that this one depends upon. +dependency_libs='$dependency_libs' + +# Names of additional weak libraries provided by this library +weak_library_names='$weak_libs' + +# Version information for $libname. +current=$current +age=$age +revision=$revision + +# Is this an already installed library? +installed=$installed + +# Should we warn about portability when linking against -modules? +shouldnotlink=$module + +# Files to dlopen/dlpreopen +dlopen='$dlfiles' +dlpreopen='$dlprefiles' + +# Directory that this library needs to be installed in: +libdir='$install_libdir'" + if test "$installed" = no && test "$need_relink" = yes; then + $ECHO >> $output "\ +relink_command=\"$relink_command\"" + fi + done + } + + # Do a symbolic link so that the libtool archive can be found in + # LD_LIBRARY_PATH before the program is installed. + func_show_eval '( cd "$output_objdir" && $RM "$outputname" && $LN_S "../$outputname" "$outputname" )' 'exit $?' + ;; + esac + exit $EXIT_SUCCESS +} + +{ test "$opt_mode" = link || test "$opt_mode" = relink; } && + func_mode_link ${1+"$@"} + + +# func_mode_uninstall arg... +func_mode_uninstall () +{ + $opt_debug + RM="$nonopt" + files= + rmforce= + exit_status=0 + + # This variable tells wrapper scripts just to set variables rather + # than running their programs. + libtool_install_magic="$magic" + + for arg + do + case $arg in + -f) func_append RM " $arg"; rmforce=yes ;; + -*) func_append RM " $arg" ;; + *) func_append files " $arg" ;; + esac + done + + test -z "$RM" && \ + func_fatal_help "you must specify an RM program" + + rmdirs= + + for file in $files; do + func_dirname "$file" "" "." + dir="$func_dirname_result" + if test "X$dir" = X.; then + odir="$objdir" + else + odir="$dir/$objdir" + fi + func_basename "$file" + name="$func_basename_result" + test "$opt_mode" = uninstall && odir="$dir" + + # Remember odir for removal later, being careful to avoid duplicates + if test "$opt_mode" = clean; then + case " $rmdirs " in + *" $odir "*) ;; + *) func_append rmdirs " $odir" ;; + esac + fi + + # Don't error if the file doesn't exist and rm -f was used. + if { test -L "$file"; } >/dev/null 2>&1 || + { test -h "$file"; } >/dev/null 2>&1 || + test -f "$file"; then + : + elif test -d "$file"; then + exit_status=1 + continue + elif test "$rmforce" = yes; then + continue + fi + + rmfiles="$file" + + case $name in + *.la) + # Possibly a libtool archive, so verify it. + if func_lalib_p "$file"; then + func_source $dir/$name + + # Delete the libtool libraries and symlinks. + for n in $library_names; do + func_append rmfiles " $odir/$n" + done + test -n "$old_library" && func_append rmfiles " $odir/$old_library" + + case "$opt_mode" in + clean) + case " $library_names " in + *" $dlname "*) ;; + *) test -n "$dlname" && func_append rmfiles " $odir/$dlname" ;; + esac + test -n "$libdir" && func_append rmfiles " $odir/$name $odir/${name}i" + ;; + uninstall) + if test -n "$library_names"; then + # Do each command in the postuninstall commands. + func_execute_cmds "$postuninstall_cmds" 'test "$rmforce" = yes || exit_status=1' + fi + + if test -n "$old_library"; then + # Do each command in the old_postuninstall commands. + func_execute_cmds "$old_postuninstall_cmds" 'test "$rmforce" = yes || exit_status=1' + fi + # FIXME: should reinstall the best remaining shared library. + ;; + esac + fi + ;; + + *.lo) + # Possibly a libtool object, so verify it. + if func_lalib_p "$file"; then + + # Read the .lo file + func_source $dir/$name + + # Add PIC object to the list of files to remove. + if test -n "$pic_object" && + test "$pic_object" != none; then + func_append rmfiles " $dir/$pic_object" + fi + + # Add non-PIC object to the list of files to remove. + if test -n "$non_pic_object" && + test "$non_pic_object" != none; then + func_append rmfiles " $dir/$non_pic_object" + fi + fi + ;; + + *) + if test "$opt_mode" = clean ; then + noexename=$name + case $file in + *.exe) + func_stripname '' '.exe' "$file" + file=$func_stripname_result + func_stripname '' '.exe' "$name" + noexename=$func_stripname_result + # $file with .exe has already been added to rmfiles, + # add $file without .exe + func_append rmfiles " $file" + ;; + esac + # Do a test to see if this is a libtool program. + if func_ltwrapper_p "$file"; then + if func_ltwrapper_executable_p "$file"; then + func_ltwrapper_scriptname "$file" + relink_command= + func_source $func_ltwrapper_scriptname_result + func_append rmfiles " $func_ltwrapper_scriptname_result" + else + relink_command= + func_source $dir/$noexename + fi + + # note $name still contains .exe if it was in $file originally + # as does the version of $file that was added into $rmfiles + func_append rmfiles " $odir/$name $odir/${name}S.${objext}" + if test "$fast_install" = yes && test -n "$relink_command"; then + func_append rmfiles " $odir/lt-$name" + fi + if test "X$noexename" != "X$name" ; then + func_append rmfiles " $odir/lt-${noexename}.c" + fi + fi + fi + ;; + esac + func_show_eval "$RM $rmfiles" 'exit_status=1' + done + + # Try to remove the ${objdir}s in the directories where we deleted files + for dir in $rmdirs; do + if test -d "$dir"; then + func_show_eval "rmdir $dir >/dev/null 2>&1" + fi + done + + exit $exit_status +} + +{ test "$opt_mode" = uninstall || test "$opt_mode" = clean; } && + func_mode_uninstall ${1+"$@"} + +test -z "$opt_mode" && { + help="$generic_help" + func_fatal_help "you must specify a MODE" +} + +test -z "$exec_cmd" && \ + func_fatal_help "invalid operation mode \`$opt_mode'" + +if test -n "$exec_cmd"; then + eval exec "$exec_cmd" + exit $EXIT_FAILURE +fi + +exit $exit_status + + +# The TAGs below are defined such that we never get into a situation +# in which we disable both kinds of libraries. Given conflicting +# choices, we go for a static library, that is the most portable, +# since we can't tell whether shared libraries were disabled because +# the user asked for that or because the platform doesn't support +# them. This is particularly important on AIX, because we don't +# support having both static and shared libraries enabled at the same +# time on that platform, so we default to a shared-only configuration. +# If a disable-shared tag is given, we'll fallback to a static-only +# configuration. But we'll never go from static-only to shared-only. + +# ### BEGIN LIBTOOL TAG CONFIG: disable-shared +build_libtool_libs=no +build_old_libs=yes +# ### END LIBTOOL TAG CONFIG: disable-shared + +# ### BEGIN LIBTOOL TAG CONFIG: disable-static +build_old_libs=`case $build_libtool_libs in yes) echo no;; *) echo yes;; esac` +# ### END LIBTOOL TAG CONFIG: disable-static + +# Local Variables: +# mode:shell-script +# sh-indentation:2 +# End: +# vi:sw=2 + diff --git a/config/autoconf/missing b/config/autoconf/missing new file mode 100755 index 0000000..28055d2 --- /dev/null +++ b/config/autoconf/missing @@ -0,0 +1,376 @@ +#! /bin/sh +# Common stub for a few missing GNU programs while installing. + +scriptversion=2009-04-28.21; # UTC + +# Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004, 2005, 2006, +# 2008, 2009 Free Software Foundation, Inc. +# Originally by Fran,cois Pinard , 1996. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + +if test $# -eq 0; then + echo 1>&2 "Try \`$0 --help' for more information" + exit 1 +fi + +run=: +sed_output='s/.* --output[ =]\([^ ]*\).*/\1/p' +sed_minuso='s/.* -o \([^ ]*\).*/\1/p' + +# In the cases where this matters, `missing' is being run in the +# srcdir already. +if test -f configure.ac; then + configure_ac=configure.ac +else + configure_ac=configure.in +fi + +msg="missing on your system" + +case $1 in +--run) + # Try to run requested program, and just exit if it succeeds. + run= + shift + "$@" && exit 0 + # Exit code 63 means version mismatch. This often happens + # when the user try to use an ancient version of a tool on + # a file that requires a minimum version. In this case we + # we should proceed has if the program had been absent, or + # if --run hadn't been passed. + if test $? = 63; then + run=: + msg="probably too old" + fi + ;; + + -h|--h|--he|--hel|--help) + echo "\ +$0 [OPTION]... PROGRAM [ARGUMENT]... + +Handle \`PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an +error status if there is no known handling for PROGRAM. + +Options: + -h, --help display this help and exit + -v, --version output version information and exit + --run try to run the given command, and emulate it if it fails + +Supported PROGRAM values: + aclocal touch file \`aclocal.m4' + autoconf touch file \`configure' + autoheader touch file \`config.h.in' + autom4te touch the output file, or create a stub one + automake touch all \`Makefile.in' files + bison create \`y.tab.[ch]', if possible, from existing .[ch] + flex create \`lex.yy.c', if possible, from existing .c + help2man touch the output file + lex create \`lex.yy.c', if possible, from existing .c + makeinfo touch the output file + tar try tar, gnutar, gtar, then tar without non-portable flags + yacc create \`y.tab.[ch]', if possible, from existing .[ch] + +Version suffixes to PROGRAM as well as the prefixes \`gnu-', \`gnu', and +\`g' are ignored when checking the name. + +Send bug reports to ." + exit $? + ;; + + -v|--v|--ve|--ver|--vers|--versi|--versio|--version) + echo "missing $scriptversion (GNU Automake)" + exit $? + ;; + + -*) + echo 1>&2 "$0: Unknown \`$1' option" + echo 1>&2 "Try \`$0 --help' for more information" + exit 1 + ;; + +esac + +# normalize program name to check for. +program=`echo "$1" | sed ' + s/^gnu-//; t + s/^gnu//; t + s/^g//; t'` + +# Now exit if we have it, but it failed. Also exit now if we +# don't have it and --version was passed (most likely to detect +# the program). This is about non-GNU programs, so use $1 not +# $program. +case $1 in + lex*|yacc*) + # Not GNU programs, they don't have --version. + ;; + + tar*) + if test -n "$run"; then + echo 1>&2 "ERROR: \`tar' requires --run" + exit 1 + elif test "x$2" = "x--version" || test "x$2" = "x--help"; then + exit 1 + fi + ;; + + *) + if test -z "$run" && ($1 --version) > /dev/null 2>&1; then + # We have it, but it failed. + exit 1 + elif test "x$2" = "x--version" || test "x$2" = "x--help"; then + # Could not run --version or --help. This is probably someone + # running `$TOOL --version' or `$TOOL --help' to check whether + # $TOOL exists and not knowing $TOOL uses missing. + exit 1 + fi + ;; +esac + +# If it does not exist, or fails to run (possibly an outdated version), +# try to emulate it. +case $program in + aclocal*) + echo 1>&2 "\ +WARNING: \`$1' is $msg. You should only need it if + you modified \`acinclude.m4' or \`${configure_ac}'. You might want + to install the \`Automake' and \`Perl' packages. Grab them from + any GNU archive site." + touch aclocal.m4 + ;; + + autoconf*) + echo 1>&2 "\ +WARNING: \`$1' is $msg. You should only need it if + you modified \`${configure_ac}'. You might want to install the + \`Autoconf' and \`GNU m4' packages. Grab them from any GNU + archive site." + touch configure + ;; + + autoheader*) + echo 1>&2 "\ +WARNING: \`$1' is $msg. You should only need it if + you modified \`acconfig.h' or \`${configure_ac}'. You might want + to install the \`Autoconf' and \`GNU m4' packages. Grab them + from any GNU archive site." + files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' ${configure_ac}` + test -z "$files" && files="config.h" + touch_files= + for f in $files; do + case $f in + *:*) touch_files="$touch_files "`echo "$f" | + sed -e 's/^[^:]*://' -e 's/:.*//'`;; + *) touch_files="$touch_files $f.in";; + esac + done + touch $touch_files + ;; + + automake*) + echo 1>&2 "\ +WARNING: \`$1' is $msg. You should only need it if + you modified \`Makefile.am', \`acinclude.m4' or \`${configure_ac}'. + You might want to install the \`Automake' and \`Perl' packages. + Grab them from any GNU archive site." + find . -type f -name Makefile.am -print | + sed 's/\.am$/.in/' | + while read f; do touch "$f"; done + ;; + + autom4te*) + echo 1>&2 "\ +WARNING: \`$1' is needed, but is $msg. + You might have modified some files without having the + proper tools for further handling them. + You can get \`$1' as part of \`Autoconf' from any GNU + archive site." + + file=`echo "$*" | sed -n "$sed_output"` + test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"` + if test -f "$file"; then + touch $file + else + test -z "$file" || exec >$file + echo "#! /bin/sh" + echo "# Created by GNU Automake missing as a replacement of" + echo "# $ $@" + echo "exit 0" + chmod +x $file + exit 1 + fi + ;; + + bison*|yacc*) + echo 1>&2 "\ +WARNING: \`$1' $msg. You should only need it if + you modified a \`.y' file. You may need the \`Bison' package + in order for those modifications to take effect. You can get + \`Bison' from any GNU archive site." + rm -f y.tab.c y.tab.h + if test $# -ne 1; then + eval LASTARG="\${$#}" + case $LASTARG in + *.y) + SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'` + if test -f "$SRCFILE"; then + cp "$SRCFILE" y.tab.c + fi + SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'` + if test -f "$SRCFILE"; then + cp "$SRCFILE" y.tab.h + fi + ;; + esac + fi + if test ! -f y.tab.h; then + echo >y.tab.h + fi + if test ! -f y.tab.c; then + echo 'main() { return 0; }' >y.tab.c + fi + ;; + + lex*|flex*) + echo 1>&2 "\ +WARNING: \`$1' is $msg. You should only need it if + you modified a \`.l' file. You may need the \`Flex' package + in order for those modifications to take effect. You can get + \`Flex' from any GNU archive site." + rm -f lex.yy.c + if test $# -ne 1; then + eval LASTARG="\${$#}" + case $LASTARG in + *.l) + SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'` + if test -f "$SRCFILE"; then + cp "$SRCFILE" lex.yy.c + fi + ;; + esac + fi + if test ! -f lex.yy.c; then + echo 'main() { return 0; }' >lex.yy.c + fi + ;; + + help2man*) + echo 1>&2 "\ +WARNING: \`$1' is $msg. You should only need it if + you modified a dependency of a manual page. You may need the + \`Help2man' package in order for those modifications to take + effect. You can get \`Help2man' from any GNU archive site." + + file=`echo "$*" | sed -n "$sed_output"` + test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"` + if test -f "$file"; then + touch $file + else + test -z "$file" || exec >$file + echo ".ab help2man is required to generate this page" + exit $? + fi + ;; + + makeinfo*) + echo 1>&2 "\ +WARNING: \`$1' is $msg. You should only need it if + you modified a \`.texi' or \`.texinfo' file, or any other file + indirectly affecting the aspect of the manual. The spurious + call might also be the consequence of using a buggy \`make' (AIX, + DU, IRIX). You might want to install the \`Texinfo' package or + the \`GNU make' package. Grab either from any GNU archive site." + # The file to touch is that specified with -o ... + file=`echo "$*" | sed -n "$sed_output"` + test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"` + if test -z "$file"; then + # ... or it is the one specified with @setfilename ... + infile=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'` + file=`sed -n ' + /^@setfilename/{ + s/.* \([^ ]*\) *$/\1/ + p + q + }' $infile` + # ... or it is derived from the source name (dir/f.texi becomes f.info) + test -z "$file" && file=`echo "$infile" | sed 's,.*/,,;s,.[^.]*$,,'`.info + fi + # If the file does not exist, the user really needs makeinfo; + # let's fail without touching anything. + test -f $file || exit 1 + touch $file + ;; + + tar*) + shift + + # We have already tried tar in the generic part. + # Look for gnutar/gtar before invocation to avoid ugly error + # messages. + if (gnutar --version > /dev/null 2>&1); then + gnutar "$@" && exit 0 + fi + if (gtar --version > /dev/null 2>&1); then + gtar "$@" && exit 0 + fi + firstarg="$1" + if shift; then + case $firstarg in + *o*) + firstarg=`echo "$firstarg" | sed s/o//` + tar "$firstarg" "$@" && exit 0 + ;; + esac + case $firstarg in + *h*) + firstarg=`echo "$firstarg" | sed s/h//` + tar "$firstarg" "$@" && exit 0 + ;; + esac + fi + + echo 1>&2 "\ +WARNING: I can't seem to be able to run \`tar' with the given arguments. + You may want to install GNU tar or Free paxutils, or check the + command line arguments." + exit 1 + ;; + + *) + echo 1>&2 "\ +WARNING: \`$1' is needed, and is $msg. + You might have modified some files without having the + proper tools for further handling them. Check the \`README' file, + it often tells you about the needed prerequisites for installing + this package. You may also peek at any GNU archive site, in case + some other package would contain this missing \`$1' program." + exit 1 + ;; +esac + +exit 0 + +# Local variables: +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-time-zone: "UTC" +# time-stamp-end: "; # UTC" +# End: diff --git a/config/m4/libtool.m4 b/config/m4/libtool.m4 new file mode 100644 index 0000000..88de383 --- /dev/null +++ b/config/m4/libtool.m4 @@ -0,0 +1,7835 @@ +# libtool.m4 - Configure libtool for the host system. -*-Autoconf-*- +# +# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, +# 2006, 2007, 2008, 2009, 2010 Free Software Foundation, +# Inc. +# Written by Gordon Matzigkeit, 1996 +# +# This file is free software; the Free Software Foundation gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. + +m4_define([_LT_COPYING], [dnl +# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, +# 2006, 2007, 2008, 2009, 2010 Free Software Foundation, +# Inc. +# Written by Gordon Matzigkeit, 1996 +# +# This file is part of GNU Libtool. +# +# GNU Libtool is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# As a special exception to the GNU General Public License, +# if you distribute this file as part of a program or library that +# is built using GNU Libtool, you may include this file under the +# same distribution terms that you use for the rest of that program. +# +# GNU Libtool is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with GNU Libtool; see the file COPYING. If not, a copy +# can be downloaded from http://www.gnu.org/licenses/gpl.html, or +# obtained by writing to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. +]) + +# serial 57 LT_INIT + + +# LT_PREREQ(VERSION) +# ------------------ +# Complain and exit if this libtool version is less that VERSION. +m4_defun([LT_PREREQ], +[m4_if(m4_version_compare(m4_defn([LT_PACKAGE_VERSION]), [$1]), -1, + [m4_default([$3], + [m4_fatal([Libtool version $1 or higher is required], + 63)])], + [$2])]) + + +# _LT_CHECK_BUILDDIR +# ------------------ +# Complain if the absolute build directory name contains unusual characters +m4_defun([_LT_CHECK_BUILDDIR], +[case `pwd` in + *\ * | *\ *) + AC_MSG_WARN([Libtool does not cope well with whitespace in `pwd`]) ;; +esac +]) + + +# LT_INIT([OPTIONS]) +# ------------------ +AC_DEFUN([LT_INIT], +[AC_PREREQ([2.58])dnl We use AC_INCLUDES_DEFAULT +AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl +AC_BEFORE([$0], [LT_LANG])dnl +AC_BEFORE([$0], [LT_OUTPUT])dnl +AC_BEFORE([$0], [LTDL_INIT])dnl +m4_require([_LT_CHECK_BUILDDIR])dnl + +dnl Autoconf doesn't catch unexpanded LT_ macros by default: +m4_pattern_forbid([^_?LT_[A-Z_]+$])dnl +m4_pattern_allow([^(_LT_EOF|LT_DLGLOBAL|LT_DLLAZY_OR_NOW|LT_MULTI_MODULE)$])dnl +dnl aclocal doesn't pull ltoptions.m4, ltsugar.m4, or ltversion.m4 +dnl unless we require an AC_DEFUNed macro: +AC_REQUIRE([LTOPTIONS_VERSION])dnl +AC_REQUIRE([LTSUGAR_VERSION])dnl +AC_REQUIRE([LTVERSION_VERSION])dnl +AC_REQUIRE([LTOBSOLETE_VERSION])dnl +m4_require([_LT_PROG_LTMAIN])dnl + +_LT_SHELL_INIT([SHELL=${CONFIG_SHELL-/bin/sh}]) + +dnl Parse OPTIONS +_LT_SET_OPTIONS([$0], [$1]) + +# This can be used to rebuild libtool when needed +LIBTOOL_DEPS="$ltmain" + +# Always use our own libtool. +LIBTOOL='$(SHELL) $(top_builddir)/libtool' +AC_SUBST(LIBTOOL)dnl + +_LT_SETUP + +# Only expand once: +m4_define([LT_INIT]) +])# LT_INIT + +# Old names: +AU_ALIAS([AC_PROG_LIBTOOL], [LT_INIT]) +AU_ALIAS([AM_PROG_LIBTOOL], [LT_INIT]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_PROG_LIBTOOL], []) +dnl AC_DEFUN([AM_PROG_LIBTOOL], []) + + +# _LT_CC_BASENAME(CC) +# ------------------- +# Calculate cc_basename. Skip known compiler wrappers and cross-prefix. +m4_defun([_LT_CC_BASENAME], +[for cc_temp in $1""; do + case $cc_temp in + compile | *[[\\/]]compile | ccache | *[[\\/]]ccache ) ;; + distcc | *[[\\/]]distcc | purify | *[[\\/]]purify ) ;; + \-*) ;; + *) break;; + esac +done +cc_basename=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"` +]) + + +# _LT_FILEUTILS_DEFAULTS +# ---------------------- +# It is okay to use these file commands and assume they have been set +# sensibly after `m4_require([_LT_FILEUTILS_DEFAULTS])'. +m4_defun([_LT_FILEUTILS_DEFAULTS], +[: ${CP="cp -f"} +: ${MV="mv -f"} +: ${RM="rm -f"} +])# _LT_FILEUTILS_DEFAULTS + + +# _LT_SETUP +# --------- +m4_defun([_LT_SETUP], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +AC_REQUIRE([AC_CANONICAL_BUILD])dnl +AC_REQUIRE([_LT_PREPARE_SED_QUOTE_VARS])dnl +AC_REQUIRE([_LT_PROG_ECHO_BACKSLASH])dnl + +_LT_DECL([], [host_alias], [0], [The host system])dnl +_LT_DECL([], [host], [0])dnl +_LT_DECL([], [host_os], [0])dnl +dnl +_LT_DECL([], [build_alias], [0], [The build system])dnl +_LT_DECL([], [build], [0])dnl +_LT_DECL([], [build_os], [0])dnl +dnl +AC_REQUIRE([AC_PROG_CC])dnl +AC_REQUIRE([LT_PATH_LD])dnl +AC_REQUIRE([LT_PATH_NM])dnl +dnl +AC_REQUIRE([AC_PROG_LN_S])dnl +test -z "$LN_S" && LN_S="ln -s" +_LT_DECL([], [LN_S], [1], [Whether we need soft or hard links])dnl +dnl +AC_REQUIRE([LT_CMD_MAX_LEN])dnl +_LT_DECL([objext], [ac_objext], [0], [Object file suffix (normally "o")])dnl +_LT_DECL([], [exeext], [0], [Executable file suffix (normally "")])dnl +dnl +m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_CHECK_SHELL_FEATURES])dnl +m4_require([_LT_PATH_CONVERSION_FUNCTIONS])dnl +m4_require([_LT_CMD_RELOAD])dnl +m4_require([_LT_CHECK_MAGIC_METHOD])dnl +m4_require([_LT_CHECK_SHAREDLIB_FROM_LINKLIB])dnl +m4_require([_LT_CMD_OLD_ARCHIVE])dnl +m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl +m4_require([_LT_WITH_SYSROOT])dnl + +_LT_CONFIG_LIBTOOL_INIT([ +# See if we are running on zsh, and set the options which allow our +# commands through without removal of \ escapes INIT. +if test -n "\${ZSH_VERSION+set}" ; then + setopt NO_GLOB_SUBST +fi +]) +if test -n "${ZSH_VERSION+set}" ; then + setopt NO_GLOB_SUBST +fi + +_LT_CHECK_OBJDIR + +m4_require([_LT_TAG_COMPILER])dnl + +case $host_os in +aix3*) + # AIX sometimes has problems with the GCC collect2 program. For some + # reason, if we set the COLLECT_NAMES environment variable, the problems + # vanish in a puff of smoke. + if test "X${COLLECT_NAMES+set}" != Xset; then + COLLECT_NAMES= + export COLLECT_NAMES + fi + ;; +esac + +# Global variables: +ofile=libtool +can_build_shared=yes + +# All known linkers require a `.a' archive for static linking (except MSVC, +# which needs '.lib'). +libext=a + +with_gnu_ld="$lt_cv_prog_gnu_ld" + +old_CC="$CC" +old_CFLAGS="$CFLAGS" + +# Set sane defaults for various variables +test -z "$CC" && CC=cc +test -z "$LTCC" && LTCC=$CC +test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS +test -z "$LD" && LD=ld +test -z "$ac_objext" && ac_objext=o + +_LT_CC_BASENAME([$compiler]) + +# Only perform the check for file, if the check method requires it +test -z "$MAGIC_CMD" && MAGIC_CMD=file +case $deplibs_check_method in +file_magic*) + if test "$file_magic_cmd" = '$MAGIC_CMD'; then + _LT_PATH_MAGIC + fi + ;; +esac + +# Use C for the default configuration in the libtool script +LT_SUPPORTED_TAG([CC]) +_LT_LANG_C_CONFIG +_LT_LANG_DEFAULT_CONFIG +_LT_CONFIG_COMMANDS +])# _LT_SETUP + + +# _LT_PREPARE_SED_QUOTE_VARS +# -------------------------- +# Define a few sed substitution that help us do robust quoting. +m4_defun([_LT_PREPARE_SED_QUOTE_VARS], +[# Backslashify metacharacters that are still active within +# double-quoted strings. +sed_quote_subst='s/\([["`$\\]]\)/\\\1/g' + +# Same as above, but do not quote variable references. +double_quote_subst='s/\([["`\\]]\)/\\\1/g' + +# Sed substitution to delay expansion of an escaped shell variable in a +# double_quote_subst'ed string. +delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g' + +# Sed substitution to delay expansion of an escaped single quote. +delay_single_quote_subst='s/'\''/'\'\\\\\\\'\''/g' + +# Sed substitution to avoid accidental globbing in evaled expressions +no_glob_subst='s/\*/\\\*/g' +]) + +# _LT_PROG_LTMAIN +# --------------- +# Note that this code is called both from `configure', and `config.status' +# now that we use AC_CONFIG_COMMANDS to generate libtool. Notably, +# `config.status' has no value for ac_aux_dir unless we are using Automake, +# so we pass a copy along to make sure it has a sensible value anyway. +m4_defun([_LT_PROG_LTMAIN], +[m4_ifdef([AC_REQUIRE_AUX_FILE], [AC_REQUIRE_AUX_FILE([ltmain.sh])])dnl +_LT_CONFIG_LIBTOOL_INIT([ac_aux_dir='$ac_aux_dir']) +ltmain="$ac_aux_dir/ltmain.sh" +])# _LT_PROG_LTMAIN + + +## ------------------------------------- ## +## Accumulate code for creating libtool. ## +## ------------------------------------- ## + +# So that we can recreate a full libtool script including additional +# tags, we accumulate the chunks of code to send to AC_CONFIG_COMMANDS +# in macros and then make a single call at the end using the `libtool' +# label. + + +# _LT_CONFIG_LIBTOOL_INIT([INIT-COMMANDS]) +# ---------------------------------------- +# Register INIT-COMMANDS to be passed to AC_CONFIG_COMMANDS later. +m4_define([_LT_CONFIG_LIBTOOL_INIT], +[m4_ifval([$1], + [m4_append([_LT_OUTPUT_LIBTOOL_INIT], + [$1 +])])]) + +# Initialize. +m4_define([_LT_OUTPUT_LIBTOOL_INIT]) + + +# _LT_CONFIG_LIBTOOL([COMMANDS]) +# ------------------------------ +# Register COMMANDS to be passed to AC_CONFIG_COMMANDS later. +m4_define([_LT_CONFIG_LIBTOOL], +[m4_ifval([$1], + [m4_append([_LT_OUTPUT_LIBTOOL_COMMANDS], + [$1 +])])]) + +# Initialize. +m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS]) + + +# _LT_CONFIG_SAVE_COMMANDS([COMMANDS], [INIT_COMMANDS]) +# ----------------------------------------------------- +m4_defun([_LT_CONFIG_SAVE_COMMANDS], +[_LT_CONFIG_LIBTOOL([$1]) +_LT_CONFIG_LIBTOOL_INIT([$2]) +]) + + +# _LT_FORMAT_COMMENT([COMMENT]) +# ----------------------------- +# Add leading comment marks to the start of each line, and a trailing +# full-stop to the whole comment if one is not present already. +m4_define([_LT_FORMAT_COMMENT], +[m4_ifval([$1], [ +m4_bpatsubst([m4_bpatsubst([$1], [^ *], [# ])], + [['`$\]], [\\\&])]m4_bmatch([$1], [[!?.]$], [], [.]) +)]) + + + +## ------------------------ ## +## FIXME: Eliminate VARNAME ## +## ------------------------ ## + + +# _LT_DECL([CONFIGNAME], VARNAME, VALUE, [DESCRIPTION], [IS-TAGGED?]) +# ------------------------------------------------------------------- +# CONFIGNAME is the name given to the value in the libtool script. +# VARNAME is the (base) name used in the configure script. +# VALUE may be 0, 1 or 2 for a computed quote escaped value based on +# VARNAME. Any other value will be used directly. +m4_define([_LT_DECL], +[lt_if_append_uniq([lt_decl_varnames], [$2], [, ], + [lt_dict_add_subkey([lt_decl_dict], [$2], [libtool_name], + [m4_ifval([$1], [$1], [$2])]) + lt_dict_add_subkey([lt_decl_dict], [$2], [value], [$3]) + m4_ifval([$4], + [lt_dict_add_subkey([lt_decl_dict], [$2], [description], [$4])]) + lt_dict_add_subkey([lt_decl_dict], [$2], + [tagged?], [m4_ifval([$5], [yes], [no])])]) +]) + + +# _LT_TAGDECL([CONFIGNAME], VARNAME, VALUE, [DESCRIPTION]) +# -------------------------------------------------------- +m4_define([_LT_TAGDECL], [_LT_DECL([$1], [$2], [$3], [$4], [yes])]) + + +# lt_decl_tag_varnames([SEPARATOR], [VARNAME1...]) +# ------------------------------------------------ +m4_define([lt_decl_tag_varnames], +[_lt_decl_filter([tagged?], [yes], $@)]) + + +# _lt_decl_filter(SUBKEY, VALUE, [SEPARATOR], [VARNAME1..]) +# --------------------------------------------------------- +m4_define([_lt_decl_filter], +[m4_case([$#], + [0], [m4_fatal([$0: too few arguments: $#])], + [1], [m4_fatal([$0: too few arguments: $#: $1])], + [2], [lt_dict_filter([lt_decl_dict], [$1], [$2], [], lt_decl_varnames)], + [3], [lt_dict_filter([lt_decl_dict], [$1], [$2], [$3], lt_decl_varnames)], + [lt_dict_filter([lt_decl_dict], $@)])[]dnl +]) + + +# lt_decl_quote_varnames([SEPARATOR], [VARNAME1...]) +# -------------------------------------------------- +m4_define([lt_decl_quote_varnames], +[_lt_decl_filter([value], [1], $@)]) + + +# lt_decl_dquote_varnames([SEPARATOR], [VARNAME1...]) +# --------------------------------------------------- +m4_define([lt_decl_dquote_varnames], +[_lt_decl_filter([value], [2], $@)]) + + +# lt_decl_varnames_tagged([SEPARATOR], [VARNAME1...]) +# --------------------------------------------------- +m4_define([lt_decl_varnames_tagged], +[m4_assert([$# <= 2])dnl +_$0(m4_quote(m4_default([$1], [[, ]])), + m4_ifval([$2], [[$2]], [m4_dquote(lt_decl_tag_varnames)]), + m4_split(m4_normalize(m4_quote(_LT_TAGS)), [ ]))]) +m4_define([_lt_decl_varnames_tagged], +[m4_ifval([$3], [lt_combine([$1], [$2], [_], $3)])]) + + +# lt_decl_all_varnames([SEPARATOR], [VARNAME1...]) +# ------------------------------------------------ +m4_define([lt_decl_all_varnames], +[_$0(m4_quote(m4_default([$1], [[, ]])), + m4_if([$2], [], + m4_quote(lt_decl_varnames), + m4_quote(m4_shift($@))))[]dnl +]) +m4_define([_lt_decl_all_varnames], +[lt_join($@, lt_decl_varnames_tagged([$1], + lt_decl_tag_varnames([[, ]], m4_shift($@))))dnl +]) + + +# _LT_CONFIG_STATUS_DECLARE([VARNAME]) +# ------------------------------------ +# Quote a variable value, and forward it to `config.status' so that its +# declaration there will have the same value as in `configure'. VARNAME +# must have a single quote delimited value for this to work. +m4_define([_LT_CONFIG_STATUS_DECLARE], +[$1='`$ECHO "$][$1" | $SED "$delay_single_quote_subst"`']) + + +# _LT_CONFIG_STATUS_DECLARATIONS +# ------------------------------ +# We delimit libtool config variables with single quotes, so when +# we write them to config.status, we have to be sure to quote all +# embedded single quotes properly. In configure, this macro expands +# each variable declared with _LT_DECL (and _LT_TAGDECL) into: +# +# ='`$ECHO "$" | $SED "$delay_single_quote_subst"`' +m4_defun([_LT_CONFIG_STATUS_DECLARATIONS], +[m4_foreach([_lt_var], m4_quote(lt_decl_all_varnames), + [m4_n([_LT_CONFIG_STATUS_DECLARE(_lt_var)])])]) + + +# _LT_LIBTOOL_TAGS +# ---------------- +# Output comment and list of tags supported by the script +m4_defun([_LT_LIBTOOL_TAGS], +[_LT_FORMAT_COMMENT([The names of the tagged configurations supported by this script])dnl +available_tags="_LT_TAGS"dnl +]) + + +# _LT_LIBTOOL_DECLARE(VARNAME, [TAG]) +# ----------------------------------- +# Extract the dictionary values for VARNAME (optionally with TAG) and +# expand to a commented shell variable setting: +# +# # Some comment about what VAR is for. +# visible_name=$lt_internal_name +m4_define([_LT_LIBTOOL_DECLARE], +[_LT_FORMAT_COMMENT(m4_quote(lt_dict_fetch([lt_decl_dict], [$1], + [description])))[]dnl +m4_pushdef([_libtool_name], + m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [libtool_name])))[]dnl +m4_case(m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [value])), + [0], [_libtool_name=[$]$1], + [1], [_libtool_name=$lt_[]$1], + [2], [_libtool_name=$lt_[]$1], + [_libtool_name=lt_dict_fetch([lt_decl_dict], [$1], [value])])[]dnl +m4_ifval([$2], [_$2])[]m4_popdef([_libtool_name])[]dnl +]) + + +# _LT_LIBTOOL_CONFIG_VARS +# ----------------------- +# Produce commented declarations of non-tagged libtool config variables +# suitable for insertion in the LIBTOOL CONFIG section of the `libtool' +# script. Tagged libtool config variables (even for the LIBTOOL CONFIG +# section) are produced by _LT_LIBTOOL_TAG_VARS. +m4_defun([_LT_LIBTOOL_CONFIG_VARS], +[m4_foreach([_lt_var], + m4_quote(_lt_decl_filter([tagged?], [no], [], lt_decl_varnames)), + [m4_n([_LT_LIBTOOL_DECLARE(_lt_var)])])]) + + +# _LT_LIBTOOL_TAG_VARS(TAG) +# ------------------------- +m4_define([_LT_LIBTOOL_TAG_VARS], +[m4_foreach([_lt_var], m4_quote(lt_decl_tag_varnames), + [m4_n([_LT_LIBTOOL_DECLARE(_lt_var, [$1])])])]) + + +# _LT_TAGVAR(VARNAME, [TAGNAME]) +# ------------------------------ +m4_define([_LT_TAGVAR], [m4_ifval([$2], [$1_$2], [$1])]) + + +# _LT_CONFIG_COMMANDS +# ------------------- +# Send accumulated output to $CONFIG_STATUS. Thanks to the lists of +# variables for single and double quote escaping we saved from calls +# to _LT_DECL, we can put quote escaped variables declarations +# into `config.status', and then the shell code to quote escape them in +# for loops in `config.status'. Finally, any additional code accumulated +# from calls to _LT_CONFIG_LIBTOOL_INIT is expanded. +m4_defun([_LT_CONFIG_COMMANDS], +[AC_PROVIDE_IFELSE([LT_OUTPUT], + dnl If the libtool generation code has been placed in $CONFIG_LT, + dnl instead of duplicating it all over again into config.status, + dnl then we will have config.status run $CONFIG_LT later, so it + dnl needs to know what name is stored there: + [AC_CONFIG_COMMANDS([libtool], + [$SHELL $CONFIG_LT || AS_EXIT(1)], [CONFIG_LT='$CONFIG_LT'])], + dnl If the libtool generation code is destined for config.status, + dnl expand the accumulated commands and init code now: + [AC_CONFIG_COMMANDS([libtool], + [_LT_OUTPUT_LIBTOOL_COMMANDS], [_LT_OUTPUT_LIBTOOL_COMMANDS_INIT])]) +])#_LT_CONFIG_COMMANDS + + +# Initialize. +m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS_INIT], +[ + +# The HP-UX ksh and POSIX shell print the target directory to stdout +# if CDPATH is set. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +sed_quote_subst='$sed_quote_subst' +double_quote_subst='$double_quote_subst' +delay_variable_subst='$delay_variable_subst' +_LT_CONFIG_STATUS_DECLARATIONS +LTCC='$LTCC' +LTCFLAGS='$LTCFLAGS' +compiler='$compiler_DEFAULT' + +# A function that is used when there is no print builtin or printf. +func_fallback_echo () +{ + eval 'cat <<_LTECHO_EOF +\$[]1 +_LTECHO_EOF' +} + +# Quote evaled strings. +for var in lt_decl_all_varnames([[ \ +]], lt_decl_quote_varnames); do + case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in + *[[\\\\\\\`\\"\\\$]]*) + eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED \\"\\\$sed_quote_subst\\"\\\`\\\\\\"" + ;; + *) + eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\"" + ;; + esac +done + +# Double-quote double-evaled strings. +for var in lt_decl_all_varnames([[ \ +]], lt_decl_dquote_varnames); do + case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in + *[[\\\\\\\`\\"\\\$]]*) + eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED -e \\"\\\$double_quote_subst\\" -e \\"\\\$sed_quote_subst\\" -e \\"\\\$delay_variable_subst\\"\\\`\\\\\\"" + ;; + *) + eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\"" + ;; + esac +done + +_LT_OUTPUT_LIBTOOL_INIT +]) + +# _LT_GENERATED_FILE_INIT(FILE, [COMMENT]) +# ------------------------------------ +# Generate a child script FILE with all initialization necessary to +# reuse the environment learned by the parent script, and make the +# file executable. If COMMENT is supplied, it is inserted after the +# `#!' sequence but before initialization text begins. After this +# macro, additional text can be appended to FILE to form the body of +# the child script. The macro ends with non-zero status if the +# file could not be fully written (such as if the disk is full). +m4_ifdef([AS_INIT_GENERATED], +[m4_defun([_LT_GENERATED_FILE_INIT],[AS_INIT_GENERATED($@)])], +[m4_defun([_LT_GENERATED_FILE_INIT], +[m4_require([AS_PREPARE])]dnl +[m4_pushdef([AS_MESSAGE_LOG_FD])]dnl +[lt_write_fail=0 +cat >$1 <<_ASEOF || lt_write_fail=1 +#! $SHELL +# Generated by $as_me. +$2 +SHELL=\${CONFIG_SHELL-$SHELL} +export SHELL +_ASEOF +cat >>$1 <<\_ASEOF || lt_write_fail=1 +AS_SHELL_SANITIZE +_AS_PREPARE +exec AS_MESSAGE_FD>&1 +_ASEOF +test $lt_write_fail = 0 && chmod +x $1[]dnl +m4_popdef([AS_MESSAGE_LOG_FD])])])# _LT_GENERATED_FILE_INIT + +# LT_OUTPUT +# --------- +# This macro allows early generation of the libtool script (before +# AC_OUTPUT is called), incase it is used in configure for compilation +# tests. +AC_DEFUN([LT_OUTPUT], +[: ${CONFIG_LT=./config.lt} +AC_MSG_NOTICE([creating $CONFIG_LT]) +_LT_GENERATED_FILE_INIT(["$CONFIG_LT"], +[# Run this file to recreate a libtool stub with the current configuration.]) + +cat >>"$CONFIG_LT" <<\_LTEOF +lt_cl_silent=false +exec AS_MESSAGE_LOG_FD>>config.log +{ + echo + AS_BOX([Running $as_me.]) +} >&AS_MESSAGE_LOG_FD + +lt_cl_help="\ +\`$as_me' creates a local libtool stub from the current configuration, +for use in further configure time tests before the real libtool is +generated. + +Usage: $[0] [[OPTIONS]] + + -h, --help print this help, then exit + -V, --version print version number, then exit + -q, --quiet do not print progress messages + -d, --debug don't remove temporary files + +Report bugs to ." + +lt_cl_version="\ +m4_ifset([AC_PACKAGE_NAME], [AC_PACKAGE_NAME ])config.lt[]dnl +m4_ifset([AC_PACKAGE_VERSION], [ AC_PACKAGE_VERSION]) +configured by $[0], generated by m4_PACKAGE_STRING. + +Copyright (C) 2010 Free Software Foundation, Inc. +This config.lt script is free software; the Free Software Foundation +gives unlimited permision to copy, distribute and modify it." + +while test $[#] != 0 +do + case $[1] in + --version | --v* | -V ) + echo "$lt_cl_version"; exit 0 ;; + --help | --h* | -h ) + echo "$lt_cl_help"; exit 0 ;; + --debug | --d* | -d ) + debug=: ;; + --quiet | --q* | --silent | --s* | -q ) + lt_cl_silent=: ;; + + -*) AC_MSG_ERROR([unrecognized option: $[1] +Try \`$[0] --help' for more information.]) ;; + + *) AC_MSG_ERROR([unrecognized argument: $[1] +Try \`$[0] --help' for more information.]) ;; + esac + shift +done + +if $lt_cl_silent; then + exec AS_MESSAGE_FD>/dev/null +fi +_LTEOF + +cat >>"$CONFIG_LT" <<_LTEOF +_LT_OUTPUT_LIBTOOL_COMMANDS_INIT +_LTEOF + +cat >>"$CONFIG_LT" <<\_LTEOF +AC_MSG_NOTICE([creating $ofile]) +_LT_OUTPUT_LIBTOOL_COMMANDS +AS_EXIT(0) +_LTEOF +chmod +x "$CONFIG_LT" + +# configure is writing to config.log, but config.lt does its own redirection, +# appending to config.log, which fails on DOS, as config.log is still kept +# open by configure. Here we exec the FD to /dev/null, effectively closing +# config.log, so it can be properly (re)opened and appended to by config.lt. +lt_cl_success=: +test "$silent" = yes && + lt_config_lt_args="$lt_config_lt_args --quiet" +exec AS_MESSAGE_LOG_FD>/dev/null +$SHELL "$CONFIG_LT" $lt_config_lt_args || lt_cl_success=false +exec AS_MESSAGE_LOG_FD>>config.log +$lt_cl_success || AS_EXIT(1) +])# LT_OUTPUT + + +# _LT_CONFIG(TAG) +# --------------- +# If TAG is the built-in tag, create an initial libtool script with a +# default configuration from the untagged config vars. Otherwise add code +# to config.status for appending the configuration named by TAG from the +# matching tagged config vars. +m4_defun([_LT_CONFIG], +[m4_require([_LT_FILEUTILS_DEFAULTS])dnl +_LT_CONFIG_SAVE_COMMANDS([ + m4_define([_LT_TAG], m4_if([$1], [], [C], [$1]))dnl + m4_if(_LT_TAG, [C], [ + # See if we are running on zsh, and set the options which allow our + # commands through without removal of \ escapes. + if test -n "${ZSH_VERSION+set}" ; then + setopt NO_GLOB_SUBST + fi + + cfgfile="${ofile}T" + trap "$RM \"$cfgfile\"; exit 1" 1 2 15 + $RM "$cfgfile" + + cat <<_LT_EOF >> "$cfgfile" +#! $SHELL + +# `$ECHO "$ofile" | sed 's%^.*/%%'` - Provide generalized library-building support services. +# Generated automatically by $as_me ($PACKAGE$TIMESTAMP) $VERSION +# Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`: +# NOTE: Changes made to this file will be lost: look at ltmain.sh. +# +_LT_COPYING +_LT_LIBTOOL_TAGS + +# ### BEGIN LIBTOOL CONFIG +_LT_LIBTOOL_CONFIG_VARS +_LT_LIBTOOL_TAG_VARS +# ### END LIBTOOL CONFIG + +_LT_EOF + + case $host_os in + aix3*) + cat <<\_LT_EOF >> "$cfgfile" +# AIX sometimes has problems with the GCC collect2 program. For some +# reason, if we set the COLLECT_NAMES environment variable, the problems +# vanish in a puff of smoke. +if test "X${COLLECT_NAMES+set}" != Xset; then + COLLECT_NAMES= + export COLLECT_NAMES +fi +_LT_EOF + ;; + esac + + _LT_PROG_LTMAIN + + # We use sed instead of cat because bash on DJGPP gets confused if + # if finds mixed CR/LF and LF-only lines. Since sed operates in + # text mode, it properly converts lines to CR/LF. This bash problem + # is reportedly fixed, but why not run on old versions too? + sed '$q' "$ltmain" >> "$cfgfile" \ + || (rm -f "$cfgfile"; exit 1) + + _LT_PROG_REPLACE_SHELLFNS + + mv -f "$cfgfile" "$ofile" || + (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile") + chmod +x "$ofile" +], +[cat <<_LT_EOF >> "$ofile" + +dnl Unfortunately we have to use $1 here, since _LT_TAG is not expanded +dnl in a comment (ie after a #). +# ### BEGIN LIBTOOL TAG CONFIG: $1 +_LT_LIBTOOL_TAG_VARS(_LT_TAG) +# ### END LIBTOOL TAG CONFIG: $1 +_LT_EOF +])dnl /m4_if +], +[m4_if([$1], [], [ + PACKAGE='$PACKAGE' + VERSION='$VERSION' + TIMESTAMP='$TIMESTAMP' + RM='$RM' + ofile='$ofile'], []) +])dnl /_LT_CONFIG_SAVE_COMMANDS +])# _LT_CONFIG + + +# LT_SUPPORTED_TAG(TAG) +# --------------------- +# Trace this macro to discover what tags are supported by the libtool +# --tag option, using: +# autoconf --trace 'LT_SUPPORTED_TAG:$1' +AC_DEFUN([LT_SUPPORTED_TAG], []) + + +# C support is built-in for now +m4_define([_LT_LANG_C_enabled], []) +m4_define([_LT_TAGS], []) + + +# LT_LANG(LANG) +# ------------- +# Enable libtool support for the given language if not already enabled. +AC_DEFUN([LT_LANG], +[AC_BEFORE([$0], [LT_OUTPUT])dnl +m4_case([$1], + [C], [_LT_LANG(C)], + [C++], [_LT_LANG(CXX)], + [Java], [_LT_LANG(GCJ)], + [Fortran 77], [_LT_LANG(F77)], + [Fortran], [_LT_LANG(FC)], + [Windows Resource], [_LT_LANG(RC)], + [m4_ifdef([_LT_LANG_]$1[_CONFIG], + [_LT_LANG($1)], + [m4_fatal([$0: unsupported language: "$1"])])])dnl +])# LT_LANG + + +# _LT_LANG(LANGNAME) +# ------------------ +m4_defun([_LT_LANG], +[m4_ifdef([_LT_LANG_]$1[_enabled], [], + [LT_SUPPORTED_TAG([$1])dnl + m4_append([_LT_TAGS], [$1 ])dnl + m4_define([_LT_LANG_]$1[_enabled], [])dnl + _LT_LANG_$1_CONFIG($1)])dnl +])# _LT_LANG + + +# _LT_LANG_DEFAULT_CONFIG +# ----------------------- +m4_defun([_LT_LANG_DEFAULT_CONFIG], +[AC_PROVIDE_IFELSE([AC_PROG_CXX], + [LT_LANG(CXX)], + [m4_define([AC_PROG_CXX], defn([AC_PROG_CXX])[LT_LANG(CXX)])]) + +AC_PROVIDE_IFELSE([AC_PROG_F77], + [LT_LANG(F77)], + [m4_define([AC_PROG_F77], defn([AC_PROG_F77])[LT_LANG(F77)])]) + +AC_PROVIDE_IFELSE([AC_PROG_FC], + [LT_LANG(FC)], + [m4_define([AC_PROG_FC], defn([AC_PROG_FC])[LT_LANG(FC)])]) + +dnl The call to [A][M_PROG_GCJ] is quoted like that to stop aclocal +dnl pulling things in needlessly. +AC_PROVIDE_IFELSE([AC_PROG_GCJ], + [LT_LANG(GCJ)], + [AC_PROVIDE_IFELSE([A][M_PROG_GCJ], + [LT_LANG(GCJ)], + [AC_PROVIDE_IFELSE([LT_PROG_GCJ], + [LT_LANG(GCJ)], + [m4_ifdef([AC_PROG_GCJ], + [m4_define([AC_PROG_GCJ], defn([AC_PROG_GCJ])[LT_LANG(GCJ)])]) + m4_ifdef([A][M_PROG_GCJ], + [m4_define([A][M_PROG_GCJ], defn([A][M_PROG_GCJ])[LT_LANG(GCJ)])]) + m4_ifdef([LT_PROG_GCJ], + [m4_define([LT_PROG_GCJ], defn([LT_PROG_GCJ])[LT_LANG(GCJ)])])])])]) + +AC_PROVIDE_IFELSE([LT_PROG_RC], + [LT_LANG(RC)], + [m4_define([LT_PROG_RC], defn([LT_PROG_RC])[LT_LANG(RC)])]) +])# _LT_LANG_DEFAULT_CONFIG + +# Obsolete macros: +AU_DEFUN([AC_LIBTOOL_CXX], [LT_LANG(C++)]) +AU_DEFUN([AC_LIBTOOL_F77], [LT_LANG(Fortran 77)]) +AU_DEFUN([AC_LIBTOOL_FC], [LT_LANG(Fortran)]) +AU_DEFUN([AC_LIBTOOL_GCJ], [LT_LANG(Java)]) +AU_DEFUN([AC_LIBTOOL_RC], [LT_LANG(Windows Resource)]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_CXX], []) +dnl AC_DEFUN([AC_LIBTOOL_F77], []) +dnl AC_DEFUN([AC_LIBTOOL_FC], []) +dnl AC_DEFUN([AC_LIBTOOL_GCJ], []) +dnl AC_DEFUN([AC_LIBTOOL_RC], []) + + +# _LT_TAG_COMPILER +# ---------------- +m4_defun([_LT_TAG_COMPILER], +[AC_REQUIRE([AC_PROG_CC])dnl + +_LT_DECL([LTCC], [CC], [1], [A C compiler])dnl +_LT_DECL([LTCFLAGS], [CFLAGS], [1], [LTCC compiler flags])dnl +_LT_TAGDECL([CC], [compiler], [1], [A language specific compiler])dnl +_LT_TAGDECL([with_gcc], [GCC], [0], [Is the compiler the GNU compiler?])dnl + +# If no C compiler was specified, use CC. +LTCC=${LTCC-"$CC"} + +# If no C compiler flags were specified, use CFLAGS. +LTCFLAGS=${LTCFLAGS-"$CFLAGS"} + +# Allow CC to be a program name with arguments. +compiler=$CC +])# _LT_TAG_COMPILER + + +# _LT_COMPILER_BOILERPLATE +# ------------------------ +# Check for compiler boilerplate output or warnings with +# the simple compiler test code. +m4_defun([_LT_COMPILER_BOILERPLATE], +[m4_require([_LT_DECL_SED])dnl +ac_outfile=conftest.$ac_objext +echo "$lt_simple_compile_test_code" >conftest.$ac_ext +eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err +_lt_compiler_boilerplate=`cat conftest.err` +$RM conftest* +])# _LT_COMPILER_BOILERPLATE + + +# _LT_LINKER_BOILERPLATE +# ---------------------- +# Check for linker boilerplate output or warnings with +# the simple link test code. +m4_defun([_LT_LINKER_BOILERPLATE], +[m4_require([_LT_DECL_SED])dnl +ac_outfile=conftest.$ac_objext +echo "$lt_simple_link_test_code" >conftest.$ac_ext +eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err +_lt_linker_boilerplate=`cat conftest.err` +$RM -r conftest* +])# _LT_LINKER_BOILERPLATE + +# _LT_REQUIRED_DARWIN_CHECKS +# ------------------------- +m4_defun_once([_LT_REQUIRED_DARWIN_CHECKS],[ + case $host_os in + rhapsody* | darwin*) + AC_CHECK_TOOL([DSYMUTIL], [dsymutil], [:]) + AC_CHECK_TOOL([NMEDIT], [nmedit], [:]) + AC_CHECK_TOOL([LIPO], [lipo], [:]) + AC_CHECK_TOOL([OTOOL], [otool], [:]) + AC_CHECK_TOOL([OTOOL64], [otool64], [:]) + _LT_DECL([], [DSYMUTIL], [1], + [Tool to manipulate archived DWARF debug symbol files on Mac OS X]) + _LT_DECL([], [NMEDIT], [1], + [Tool to change global to local symbols on Mac OS X]) + _LT_DECL([], [LIPO], [1], + [Tool to manipulate fat objects and archives on Mac OS X]) + _LT_DECL([], [OTOOL], [1], + [ldd/readelf like tool for Mach-O binaries on Mac OS X]) + _LT_DECL([], [OTOOL64], [1], + [ldd/readelf like tool for 64 bit Mach-O binaries on Mac OS X 10.4]) + + AC_CACHE_CHECK([for -single_module linker flag],[lt_cv_apple_cc_single_mod], + [lt_cv_apple_cc_single_mod=no + if test -z "${LT_MULTI_MODULE}"; then + # By default we will add the -single_module flag. You can override + # by either setting the environment variable LT_MULTI_MODULE + # non-empty at configure time, or by adding -multi_module to the + # link flags. + rm -rf libconftest.dylib* + echo "int foo(void){return 1;}" > conftest.c + echo "$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ +-dynamiclib -Wl,-single_module conftest.c" >&AS_MESSAGE_LOG_FD + $LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ + -dynamiclib -Wl,-single_module conftest.c 2>conftest.err + _lt_result=$? + if test -f libconftest.dylib && test ! -s conftest.err && test $_lt_result = 0; then + lt_cv_apple_cc_single_mod=yes + else + cat conftest.err >&AS_MESSAGE_LOG_FD + fi + rm -rf libconftest.dylib* + rm -f conftest.* + fi]) + AC_CACHE_CHECK([for -exported_symbols_list linker flag], + [lt_cv_ld_exported_symbols_list], + [lt_cv_ld_exported_symbols_list=no + save_LDFLAGS=$LDFLAGS + echo "_main" > conftest.sym + LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym" + AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])], + [lt_cv_ld_exported_symbols_list=yes], + [lt_cv_ld_exported_symbols_list=no]) + LDFLAGS="$save_LDFLAGS" + ]) + AC_CACHE_CHECK([for -force_load linker flag],[lt_cv_ld_force_load], + [lt_cv_ld_force_load=no + cat > conftest.c << _LT_EOF +int forced_loaded() { return 2;} +_LT_EOF + echo "$LTCC $LTCFLAGS -c -o conftest.o conftest.c" >&AS_MESSAGE_LOG_FD + $LTCC $LTCFLAGS -c -o conftest.o conftest.c 2>&AS_MESSAGE_LOG_FD + echo "$AR cru libconftest.a conftest.o" >&AS_MESSAGE_LOG_FD + $AR cru libconftest.a conftest.o 2>&AS_MESSAGE_LOG_FD + echo "$RANLIB libconftest.a" >&AS_MESSAGE_LOG_FD + $RANLIB libconftest.a 2>&AS_MESSAGE_LOG_FD + cat > conftest.c << _LT_EOF +int main() { return 0;} +_LT_EOF + echo "$LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a" >&AS_MESSAGE_LOG_FD + $LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a 2>conftest.err + _lt_result=$? + if test -f conftest && test ! -s conftest.err && test $_lt_result = 0 && $GREP forced_load conftest 2>&1 >/dev/null; then + lt_cv_ld_force_load=yes + else + cat conftest.err >&AS_MESSAGE_LOG_FD + fi + rm -f conftest.err libconftest.a conftest conftest.c + rm -rf conftest.dSYM + ]) + case $host_os in + rhapsody* | darwin1.[[012]]) + _lt_dar_allow_undefined='${wl}-undefined ${wl}suppress' ;; + darwin1.*) + _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;; + darwin*) # darwin 5.x on + # if running on 10.5 or later, the deployment target defaults + # to the OS version, if on x86, and 10.4, the deployment + # target defaults to 10.4. Don't you love it? + case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in + 10.0,*86*-darwin8*|10.0,*-darwin[[91]]*) + _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;; + 10.[[012]]*) + _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;; + 10.*) + _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;; + esac + ;; + esac + if test "$lt_cv_apple_cc_single_mod" = "yes"; then + _lt_dar_single_mod='$single_module' + fi + if test "$lt_cv_ld_exported_symbols_list" = "yes"; then + _lt_dar_export_syms=' ${wl}-exported_symbols_list,$output_objdir/${libname}-symbols.expsym' + else + _lt_dar_export_syms='~$NMEDIT -s $output_objdir/${libname}-symbols.expsym ${lib}' + fi + if test "$DSYMUTIL" != ":" && test "$lt_cv_ld_force_load" = "no"; then + _lt_dsymutil='~$DSYMUTIL $lib || :' + else + _lt_dsymutil= + fi + ;; + esac +]) + + +# _LT_DARWIN_LINKER_FEATURES +# -------------------------- +# Checks for linker and compiler features on darwin +m4_defun([_LT_DARWIN_LINKER_FEATURES], +[ + m4_require([_LT_REQUIRED_DARWIN_CHECKS]) + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_automatic, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported + if test "$lt_cv_ld_force_load" = "yes"; then + _LT_TAGVAR(whole_archive_flag_spec, $1)='`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience ${wl}-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`' + else + _LT_TAGVAR(whole_archive_flag_spec, $1)='' + fi + _LT_TAGVAR(link_all_deplibs, $1)=yes + _LT_TAGVAR(allow_undefined_flag, $1)="$_lt_dar_allow_undefined" + case $cc_basename in + ifort*) _lt_dar_can_shared=yes ;; + *) _lt_dar_can_shared=$GCC ;; + esac + if test "$_lt_dar_can_shared" = "yes"; then + output_verbose_link_cmd=func_echo_all + _LT_TAGVAR(archive_cmds, $1)="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod${_lt_dsymutil}" + _LT_TAGVAR(module_cmds, $1)="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}" + _LT_TAGVAR(archive_expsym_cmds, $1)="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring ${_lt_dar_single_mod}${_lt_dar_export_syms}${_lt_dsymutil}" + _LT_TAGVAR(module_expsym_cmds, $1)="sed -e 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dar_export_syms}${_lt_dsymutil}" + m4_if([$1], [CXX], +[ if test "$lt_cv_apple_cc_single_mod" != "yes"; then + _LT_TAGVAR(archive_cmds, $1)="\$CC -r -keep_private_externs -nostdlib -o \${lib}-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \${lib}-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring${_lt_dsymutil}" + _LT_TAGVAR(archive_expsym_cmds, $1)="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -r -keep_private_externs -nostdlib -o \${lib}-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \${lib}-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring${_lt_dar_export_syms}${_lt_dsymutil}" + fi +],[]) + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi +]) + +# _LT_SYS_MODULE_PATH_AIX([TAGNAME]) +# ---------------------------------- +# Links a minimal program and checks the executable +# for the system default hardcoded library path. In most cases, +# this is /usr/lib:/lib, but when the MPI compilers are used +# the location of the communication and MPI libs are included too. +# If we don't find anything, use the default library path according +# to the aix ld manual. +# Store the results from the different compilers for each TAGNAME. +# Allow to override them for all tags through lt_cv_aix_libpath. +m4_defun([_LT_SYS_MODULE_PATH_AIX], +[m4_require([_LT_DECL_SED])dnl +if test "${lt_cv_aix_libpath+set}" = set; then + aix_libpath=$lt_cv_aix_libpath +else + AC_CACHE_VAL([_LT_TAGVAR([lt_cv_aix_libpath_], [$1])], + [AC_LINK_IFELSE([AC_LANG_PROGRAM],[ + lt_aix_libpath_sed='[ + /Import File Strings/,/^$/ { + /^0/ { + s/^0 *\([^ ]*\) *$/\1/ + p + } + }]' + _LT_TAGVAR([lt_cv_aix_libpath_], [$1])=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + # Check for a 64-bit object if we didn't find anything. + if test -z "$_LT_TAGVAR([lt_cv_aix_libpath_], [$1])"; then + _LT_TAGVAR([lt_cv_aix_libpath_], [$1])=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + fi],[]) + if test -z "$_LT_TAGVAR([lt_cv_aix_libpath_], [$1])"; then + _LT_TAGVAR([lt_cv_aix_libpath_], [$1])="/usr/lib:/lib" + fi + ]) + aix_libpath=$_LT_TAGVAR([lt_cv_aix_libpath_], [$1]) +fi +])# _LT_SYS_MODULE_PATH_AIX + + +# _LT_SHELL_INIT(ARG) +# ------------------- +m4_define([_LT_SHELL_INIT], +[m4_divert_text([M4SH-INIT], [$1 +])])# _LT_SHELL_INIT + + + +# _LT_PROG_ECHO_BACKSLASH +# ----------------------- +# Find how we can fake an echo command that does not interpret backslash. +# In particular, with Autoconf 2.60 or later we add some code to the start +# of the generated configure script which will find a shell with a builtin +# printf (which we can use as an echo command). +m4_defun([_LT_PROG_ECHO_BACKSLASH], +[ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO +ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO$ECHO + +AC_MSG_CHECKING([how to print strings]) +# Test print first, because it will be a builtin if present. +if test "X`( print -r -- -n ) 2>/dev/null`" = X-n && \ + test "X`print -r -- $ECHO 2>/dev/null`" = "X$ECHO"; then + ECHO='print -r --' +elif test "X`printf %s $ECHO 2>/dev/null`" = "X$ECHO"; then + ECHO='printf %s\n' +else + # Use this function as a fallback that always works. + func_fallback_echo () + { + eval 'cat <<_LTECHO_EOF +$[]1 +_LTECHO_EOF' + } + ECHO='func_fallback_echo' +fi + +# func_echo_all arg... +# Invoke $ECHO with all args, space-separated. +func_echo_all () +{ + $ECHO "$*" +} + +case "$ECHO" in + printf*) AC_MSG_RESULT([printf]) ;; + print*) AC_MSG_RESULT([print -r]) ;; + *) AC_MSG_RESULT([cat]) ;; +esac + +m4_ifdef([_AS_DETECT_SUGGESTED], +[_AS_DETECT_SUGGESTED([ + test -n "${ZSH_VERSION+set}${BASH_VERSION+set}" || ( + ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' + ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO + ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO$ECHO + PATH=/empty FPATH=/empty; export PATH FPATH + test "X`printf %s $ECHO`" = "X$ECHO" \ + || test "X`print -r -- $ECHO`" = "X$ECHO" )])]) + +_LT_DECL([], [SHELL], [1], [Shell to use when invoking shell scripts]) +_LT_DECL([], [ECHO], [1], [An echo program that protects backslashes]) +])# _LT_PROG_ECHO_BACKSLASH + + +# _LT_WITH_SYSROOT +# ---------------- +AC_DEFUN([_LT_WITH_SYSROOT], +[AC_MSG_CHECKING([for sysroot]) +AC_ARG_WITH([sysroot], +[ --with-sysroot[=DIR] Search for dependent libraries within DIR + (or the compiler's sysroot if not specified).], +[], [with_sysroot=no]) + +dnl lt_sysroot will always be passed unquoted. We quote it here +dnl in case the user passed a directory name. +lt_sysroot= +case ${with_sysroot} in #( + yes) + if test "$GCC" = yes; then + lt_sysroot=`$CC --print-sysroot 2>/dev/null` + fi + ;; #( + /*) + lt_sysroot=`echo "$with_sysroot" | sed -e "$sed_quote_subst"` + ;; #( + no|'') + ;; #( + *) + AC_MSG_RESULT([${with_sysroot}]) + AC_MSG_ERROR([The sysroot must be an absolute path.]) + ;; +esac + + AC_MSG_RESULT([${lt_sysroot:-no}]) +_LT_DECL([], [lt_sysroot], [0], [The root where to search for ]dnl +[dependent libraries, and in which our libraries should be installed.])]) + +# _LT_ENABLE_LOCK +# --------------- +m4_defun([_LT_ENABLE_LOCK], +[AC_ARG_ENABLE([libtool-lock], + [AS_HELP_STRING([--disable-libtool-lock], + [avoid locking (might break parallel builds)])]) +test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes + +# Some flags need to be propagated to the compiler or linker for good +# libtool support. +case $host in +ia64-*-hpux*) + # Find out which ABI we are using. + echo 'int i;' > conftest.$ac_ext + if AC_TRY_EVAL(ac_compile); then + case `/usr/bin/file conftest.$ac_objext` in + *ELF-32*) + HPUX_IA64_MODE="32" + ;; + *ELF-64*) + HPUX_IA64_MODE="64" + ;; + esac + fi + rm -rf conftest* + ;; +*-*-irix6*) + # Find out which ABI we are using. + echo '[#]line '$LINENO' "configure"' > conftest.$ac_ext + if AC_TRY_EVAL(ac_compile); then + if test "$lt_cv_prog_gnu_ld" = yes; then + case `/usr/bin/file conftest.$ac_objext` in + *32-bit*) + LD="${LD-ld} -melf32bsmip" + ;; + *N32*) + LD="${LD-ld} -melf32bmipn32" + ;; + *64-bit*) + LD="${LD-ld} -melf64bmip" + ;; + esac + else + case `/usr/bin/file conftest.$ac_objext` in + *32-bit*) + LD="${LD-ld} -32" + ;; + *N32*) + LD="${LD-ld} -n32" + ;; + *64-bit*) + LD="${LD-ld} -64" + ;; + esac + fi + fi + rm -rf conftest* + ;; + +x86_64-*kfreebsd*-gnu|x86_64-*linux*|ppc*-*linux*|powerpc*-*linux*| \ +s390*-*linux*|s390*-*tpf*|sparc*-*linux*) + # Find out which ABI we are using. + echo 'int i;' > conftest.$ac_ext + if AC_TRY_EVAL(ac_compile); then + case `/usr/bin/file conftest.o` in + *32-bit*) + case $host in + x86_64-*kfreebsd*-gnu) + LD="${LD-ld} -m elf_i386_fbsd" + ;; + x86_64-*linux*) + LD="${LD-ld} -m elf_i386" + ;; + ppc64-*linux*|powerpc64-*linux*) + LD="${LD-ld} -m elf32ppclinux" + ;; + s390x-*linux*) + LD="${LD-ld} -m elf_s390" + ;; + sparc64-*linux*) + LD="${LD-ld} -m elf32_sparc" + ;; + esac + ;; + *64-bit*) + case $host in + x86_64-*kfreebsd*-gnu) + LD="${LD-ld} -m elf_x86_64_fbsd" + ;; + x86_64-*linux*) + LD="${LD-ld} -m elf_x86_64" + ;; + ppc*-*linux*|powerpc*-*linux*) + LD="${LD-ld} -m elf64ppc" + ;; + s390*-*linux*|s390*-*tpf*) + LD="${LD-ld} -m elf64_s390" + ;; + sparc*-*linux*) + LD="${LD-ld} -m elf64_sparc" + ;; + esac + ;; + esac + fi + rm -rf conftest* + ;; + +*-*-sco3.2v5*) + # On SCO OpenServer 5, we need -belf to get full-featured binaries. + SAVE_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -belf" + AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf, + [AC_LANG_PUSH(C) + AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no]) + AC_LANG_POP]) + if test x"$lt_cv_cc_needs_belf" != x"yes"; then + # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf + CFLAGS="$SAVE_CFLAGS" + fi + ;; +sparc*-*solaris*) + # Find out which ABI we are using. + echo 'int i;' > conftest.$ac_ext + if AC_TRY_EVAL(ac_compile); then + case `/usr/bin/file conftest.o` in + *64-bit*) + case $lt_cv_prog_gnu_ld in + yes*) LD="${LD-ld} -m elf64_sparc" ;; + *) + if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then + LD="${LD-ld} -64" + fi + ;; + esac + ;; + esac + fi + rm -rf conftest* + ;; +esac + +need_locks="$enable_libtool_lock" +])# _LT_ENABLE_LOCK + + +# _LT_PROG_AR +# ----------- +m4_defun([_LT_PROG_AR], +[AC_CHECK_TOOLS(AR, [ar], false) +: ${AR=ar} +: ${AR_FLAGS=cru} +_LT_DECL([], [AR], [1], [The archiver]) +_LT_DECL([], [AR_FLAGS], [1], [Flags to create an archive]) + +AC_CACHE_CHECK([for archiver @FILE support], [lt_cv_ar_at_file], + [lt_cv_ar_at_file=no + AC_COMPILE_IFELSE([AC_LANG_PROGRAM], + [echo conftest.$ac_objext > conftest.lst + lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&AS_MESSAGE_LOG_FD' + AC_TRY_EVAL([lt_ar_try]) + if test "$ac_status" -eq 0; then + # Ensure the archiver fails upon bogus file names. + rm -f conftest.$ac_objext libconftest.a + AC_TRY_EVAL([lt_ar_try]) + if test "$ac_status" -ne 0; then + lt_cv_ar_at_file=@ + fi + fi + rm -f conftest.* libconftest.a + ]) + ]) + +if test "x$lt_cv_ar_at_file" = xno; then + archiver_list_spec= +else + archiver_list_spec=$lt_cv_ar_at_file +fi +_LT_DECL([], [archiver_list_spec], [1], + [How to feed a file listing to the archiver]) +])# _LT_PROG_AR + + +# _LT_CMD_OLD_ARCHIVE +# ------------------- +m4_defun([_LT_CMD_OLD_ARCHIVE], +[_LT_PROG_AR + +AC_CHECK_TOOL(STRIP, strip, :) +test -z "$STRIP" && STRIP=: +_LT_DECL([], [STRIP], [1], [A symbol stripping program]) + +AC_CHECK_TOOL(RANLIB, ranlib, :) +test -z "$RANLIB" && RANLIB=: +_LT_DECL([], [RANLIB], [1], + [Commands used to install an old-style archive]) + +# Determine commands to create old-style static archives. +old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs' +old_postinstall_cmds='chmod 644 $oldlib' +old_postuninstall_cmds= + +if test -n "$RANLIB"; then + case $host_os in + openbsd*) + old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$oldlib" + ;; + *) + old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$oldlib" + ;; + esac + old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib" +fi + +case $host_os in + darwin*) + lock_old_archive_extraction=yes ;; + *) + lock_old_archive_extraction=no ;; +esac +_LT_DECL([], [old_postinstall_cmds], [2]) +_LT_DECL([], [old_postuninstall_cmds], [2]) +_LT_TAGDECL([], [old_archive_cmds], [2], + [Commands used to build an old-style archive]) +_LT_DECL([], [lock_old_archive_extraction], [0], + [Whether to use a lock for old archive extraction]) +])# _LT_CMD_OLD_ARCHIVE + + +# _LT_COMPILER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS, +# [OUTPUT-FILE], [ACTION-SUCCESS], [ACTION-FAILURE]) +# ---------------------------------------------------------------- +# Check whether the given compiler option works +AC_DEFUN([_LT_COMPILER_OPTION], +[m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_DECL_SED])dnl +AC_CACHE_CHECK([$1], [$2], + [$2=no + m4_if([$4], , [ac_outfile=conftest.$ac_objext], [ac_outfile=$4]) + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + lt_compiler_flag="$3" + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + # The option is referenced via a variable to avoid confusing sed. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&AS_MESSAGE_LOG_FD) + (eval "$lt_compile" 2>conftest.err) + ac_status=$? + cat conftest.err >&AS_MESSAGE_LOG_FD + echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD + if (exit $ac_status) && test -s "$ac_outfile"; then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings other than the usual output. + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then + $2=yes + fi + fi + $RM conftest* +]) + +if test x"[$]$2" = xyes; then + m4_if([$5], , :, [$5]) +else + m4_if([$6], , :, [$6]) +fi +])# _LT_COMPILER_OPTION + +# Old name: +AU_ALIAS([AC_LIBTOOL_COMPILER_OPTION], [_LT_COMPILER_OPTION]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_COMPILER_OPTION], []) + + +# _LT_LINKER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS, +# [ACTION-SUCCESS], [ACTION-FAILURE]) +# ---------------------------------------------------- +# Check whether the given linker option works +AC_DEFUN([_LT_LINKER_OPTION], +[m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_DECL_SED])dnl +AC_CACHE_CHECK([$1], [$2], + [$2=no + save_LDFLAGS="$LDFLAGS" + LDFLAGS="$LDFLAGS $3" + echo "$lt_simple_link_test_code" > conftest.$ac_ext + if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then + # The linker can only warn and ignore the option if not recognized + # So say no if there are warnings + if test -s conftest.err; then + # Append any errors to the config.log. + cat conftest.err 1>&AS_MESSAGE_LOG_FD + $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if diff conftest.exp conftest.er2 >/dev/null; then + $2=yes + fi + else + $2=yes + fi + fi + $RM -r conftest* + LDFLAGS="$save_LDFLAGS" +]) + +if test x"[$]$2" = xyes; then + m4_if([$4], , :, [$4]) +else + m4_if([$5], , :, [$5]) +fi +])# _LT_LINKER_OPTION + +# Old name: +AU_ALIAS([AC_LIBTOOL_LINKER_OPTION], [_LT_LINKER_OPTION]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_LINKER_OPTION], []) + + +# LT_CMD_MAX_LEN +#--------------- +AC_DEFUN([LT_CMD_MAX_LEN], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +# find the maximum length of command line arguments +AC_MSG_CHECKING([the maximum length of command line arguments]) +AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [dnl + i=0 + teststring="ABCD" + + case $build_os in + msdosdjgpp*) + # On DJGPP, this test can blow up pretty badly due to problems in libc + # (any single argument exceeding 2000 bytes causes a buffer overrun + # during glob expansion). Even if it were fixed, the result of this + # check would be larger than it should be. + lt_cv_sys_max_cmd_len=12288; # 12K is about right + ;; + + gnu*) + # Under GNU Hurd, this test is not required because there is + # no limit to the length of command line arguments. + # Libtool will interpret -1 as no limit whatsoever + lt_cv_sys_max_cmd_len=-1; + ;; + + cygwin* | mingw* | cegcc*) + # On Win9x/ME, this test blows up -- it succeeds, but takes + # about 5 minutes as the teststring grows exponentially. + # Worse, since 9x/ME are not pre-emptively multitasking, + # you end up with a "frozen" computer, even though with patience + # the test eventually succeeds (with a max line length of 256k). + # Instead, let's just punt: use the minimum linelength reported by + # all of the supported platforms: 8192 (on NT/2K/XP). + lt_cv_sys_max_cmd_len=8192; + ;; + + mint*) + # On MiNT this can take a long time and run out of memory. + lt_cv_sys_max_cmd_len=8192; + ;; + + amigaos*) + # On AmigaOS with pdksh, this test takes hours, literally. + # So we just punt and use a minimum line length of 8192. + lt_cv_sys_max_cmd_len=8192; + ;; + + netbsd* | freebsd* | openbsd* | darwin* | dragonfly*) + # This has been around since 386BSD, at least. Likely further. + if test -x /sbin/sysctl; then + lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax` + elif test -x /usr/sbin/sysctl; then + lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax` + else + lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs + fi + # And add a safety zone + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` + ;; + + interix*) + # We know the value 262144 and hardcode it with a safety zone (like BSD) + lt_cv_sys_max_cmd_len=196608 + ;; + + osf*) + # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure + # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not + # nice to cause kernel panics so lets avoid the loop below. + # First set a reasonable default. + lt_cv_sys_max_cmd_len=16384 + # + if test -x /sbin/sysconfig; then + case `/sbin/sysconfig -q proc exec_disable_arg_limit` in + *1*) lt_cv_sys_max_cmd_len=-1 ;; + esac + fi + ;; + sco3.2v5*) + lt_cv_sys_max_cmd_len=102400 + ;; + sysv5* | sco5v6* | sysv4.2uw2*) + kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null` + if test -n "$kargmax"; then + lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[[ ]]//'` + else + lt_cv_sys_max_cmd_len=32768 + fi + ;; + *) + lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null` + if test -n "$lt_cv_sys_max_cmd_len"; then + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` + else + # Make teststring a little bigger before we do anything with it. + # a 1K string should be a reasonable start. + for i in 1 2 3 4 5 6 7 8 ; do + teststring=$teststring$teststring + done + SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}} + # If test is not a shell built-in, we'll probably end up computing a + # maximum length that is only half of the actual maximum length, but + # we can't tell. + while { test "X"`func_fallback_echo "$teststring$teststring" 2>/dev/null` \ + = "X$teststring$teststring"; } >/dev/null 2>&1 && + test $i != 17 # 1/2 MB should be enough + do + i=`expr $i + 1` + teststring=$teststring$teststring + done + # Only check the string length outside the loop. + lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1` + teststring= + # Add a significant safety factor because C++ compilers can tack on + # massive amounts of additional arguments before passing them to the + # linker. It appears as though 1/2 is a usable value. + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2` + fi + ;; + esac +]) +if test -n $lt_cv_sys_max_cmd_len ; then + AC_MSG_RESULT($lt_cv_sys_max_cmd_len) +else + AC_MSG_RESULT(none) +fi +max_cmd_len=$lt_cv_sys_max_cmd_len +_LT_DECL([], [max_cmd_len], [0], + [What is the maximum length of a command?]) +])# LT_CMD_MAX_LEN + +# Old name: +AU_ALIAS([AC_LIBTOOL_SYS_MAX_CMD_LEN], [LT_CMD_MAX_LEN]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_SYS_MAX_CMD_LEN], []) + + +# _LT_HEADER_DLFCN +# ---------------- +m4_defun([_LT_HEADER_DLFCN], +[AC_CHECK_HEADERS([dlfcn.h], [], [], [AC_INCLUDES_DEFAULT])dnl +])# _LT_HEADER_DLFCN + + +# _LT_TRY_DLOPEN_SELF (ACTION-IF-TRUE, ACTION-IF-TRUE-W-USCORE, +# ACTION-IF-FALSE, ACTION-IF-CROSS-COMPILING) +# ---------------------------------------------------------------- +m4_defun([_LT_TRY_DLOPEN_SELF], +[m4_require([_LT_HEADER_DLFCN])dnl +if test "$cross_compiling" = yes; then : + [$4] +else + lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 + lt_status=$lt_dlunknown + cat > conftest.$ac_ext <<_LT_EOF +[#line $LINENO "configure" +#include "confdefs.h" + +#if HAVE_DLFCN_H +#include +#endif + +#include + +#ifdef RTLD_GLOBAL +# define LT_DLGLOBAL RTLD_GLOBAL +#else +# ifdef DL_GLOBAL +# define LT_DLGLOBAL DL_GLOBAL +# else +# define LT_DLGLOBAL 0 +# endif +#endif + +/* We may have to define LT_DLLAZY_OR_NOW in the command line if we + find out it does not work in some platform. */ +#ifndef LT_DLLAZY_OR_NOW +# ifdef RTLD_LAZY +# define LT_DLLAZY_OR_NOW RTLD_LAZY +# else +# ifdef DL_LAZY +# define LT_DLLAZY_OR_NOW DL_LAZY +# else +# ifdef RTLD_NOW +# define LT_DLLAZY_OR_NOW RTLD_NOW +# else +# ifdef DL_NOW +# define LT_DLLAZY_OR_NOW DL_NOW +# else +# define LT_DLLAZY_OR_NOW 0 +# endif +# endif +# endif +# endif +#endif + +/* When -fvisbility=hidden is used, assume the code has been annotated + correspondingly for the symbols needed. */ +#if defined(__GNUC__) && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)) +int fnord () __attribute__((visibility("default"))); +#endif + +int fnord () { return 42; } +int main () +{ + void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); + int status = $lt_dlunknown; + + if (self) + { + if (dlsym (self,"fnord")) status = $lt_dlno_uscore; + else + { + if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; + else puts (dlerror ()); + } + /* dlclose (self); */ + } + else + puts (dlerror ()); + + return status; +}] +_LT_EOF + if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext} 2>/dev/null; then + (./conftest; exit; ) >&AS_MESSAGE_LOG_FD 2>/dev/null + lt_status=$? + case x$lt_status in + x$lt_dlno_uscore) $1 ;; + x$lt_dlneed_uscore) $2 ;; + x$lt_dlunknown|x*) $3 ;; + esac + else : + # compilation failed + $3 + fi +fi +rm -fr conftest* +])# _LT_TRY_DLOPEN_SELF + + +# LT_SYS_DLOPEN_SELF +# ------------------ +AC_DEFUN([LT_SYS_DLOPEN_SELF], +[m4_require([_LT_HEADER_DLFCN])dnl +if test "x$enable_dlopen" != xyes; then + enable_dlopen=unknown + enable_dlopen_self=unknown + enable_dlopen_self_static=unknown +else + lt_cv_dlopen=no + lt_cv_dlopen_libs= + + case $host_os in + beos*) + lt_cv_dlopen="load_add_on" + lt_cv_dlopen_libs= + lt_cv_dlopen_self=yes + ;; + + mingw* | pw32* | cegcc*) + lt_cv_dlopen="LoadLibrary" + lt_cv_dlopen_libs= + ;; + + cygwin*) + lt_cv_dlopen="dlopen" + lt_cv_dlopen_libs= + ;; + + darwin*) + # if libdl is installed we need to link against it + AC_CHECK_LIB([dl], [dlopen], + [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"],[ + lt_cv_dlopen="dyld" + lt_cv_dlopen_libs= + lt_cv_dlopen_self=yes + ]) + ;; + + *) + AC_CHECK_FUNC([shl_load], + [lt_cv_dlopen="shl_load"], + [AC_CHECK_LIB([dld], [shl_load], + [lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld"], + [AC_CHECK_FUNC([dlopen], + [lt_cv_dlopen="dlopen"], + [AC_CHECK_LIB([dl], [dlopen], + [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"], + [AC_CHECK_LIB([svld], [dlopen], + [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-lsvld"], + [AC_CHECK_LIB([dld], [dld_link], + [lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld"]) + ]) + ]) + ]) + ]) + ]) + ;; + esac + + if test "x$lt_cv_dlopen" != xno; then + enable_dlopen=yes + else + enable_dlopen=no + fi + + case $lt_cv_dlopen in + dlopen) + save_CPPFLAGS="$CPPFLAGS" + test "x$ac_cv_header_dlfcn_h" = xyes && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H" + + save_LDFLAGS="$LDFLAGS" + wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\" + + save_LIBS="$LIBS" + LIBS="$lt_cv_dlopen_libs $LIBS" + + AC_CACHE_CHECK([whether a program can dlopen itself], + lt_cv_dlopen_self, [dnl + _LT_TRY_DLOPEN_SELF( + lt_cv_dlopen_self=yes, lt_cv_dlopen_self=yes, + lt_cv_dlopen_self=no, lt_cv_dlopen_self=cross) + ]) + + if test "x$lt_cv_dlopen_self" = xyes; then + wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\" + AC_CACHE_CHECK([whether a statically linked program can dlopen itself], + lt_cv_dlopen_self_static, [dnl + _LT_TRY_DLOPEN_SELF( + lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=yes, + lt_cv_dlopen_self_static=no, lt_cv_dlopen_self_static=cross) + ]) + fi + + CPPFLAGS="$save_CPPFLAGS" + LDFLAGS="$save_LDFLAGS" + LIBS="$save_LIBS" + ;; + esac + + case $lt_cv_dlopen_self in + yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;; + *) enable_dlopen_self=unknown ;; + esac + + case $lt_cv_dlopen_self_static in + yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;; + *) enable_dlopen_self_static=unknown ;; + esac +fi +_LT_DECL([dlopen_support], [enable_dlopen], [0], + [Whether dlopen is supported]) +_LT_DECL([dlopen_self], [enable_dlopen_self], [0], + [Whether dlopen of programs is supported]) +_LT_DECL([dlopen_self_static], [enable_dlopen_self_static], [0], + [Whether dlopen of statically linked programs is supported]) +])# LT_SYS_DLOPEN_SELF + +# Old name: +AU_ALIAS([AC_LIBTOOL_DLOPEN_SELF], [LT_SYS_DLOPEN_SELF]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_DLOPEN_SELF], []) + + +# _LT_COMPILER_C_O([TAGNAME]) +# --------------------------- +# Check to see if options -c and -o are simultaneously supported by compiler. +# This macro does not hard code the compiler like AC_PROG_CC_C_O. +m4_defun([_LT_COMPILER_C_O], +[m4_require([_LT_DECL_SED])dnl +m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_TAG_COMPILER])dnl +AC_CACHE_CHECK([if $compiler supports -c -o file.$ac_objext], + [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)], + [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=no + $RM -r conftest 2>/dev/null + mkdir conftest + cd conftest + mkdir out + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + + lt_compiler_flag="-o out/conftest2.$ac_objext" + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&AS_MESSAGE_LOG_FD) + (eval "$lt_compile" 2>out/conftest.err) + ac_status=$? + cat out/conftest.err >&AS_MESSAGE_LOG_FD + echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD + if (exit $ac_status) && test -s out/conftest2.$ac_objext + then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp + $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2 + if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then + _LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes + fi + fi + chmod u+w . 2>&AS_MESSAGE_LOG_FD + $RM conftest* + # SGI C++ compiler will create directory out/ii_files/ for + # template instantiation + test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files + $RM out/* && rmdir out + cd .. + $RM -r conftest + $RM conftest* +]) +_LT_TAGDECL([compiler_c_o], [lt_cv_prog_compiler_c_o], [1], + [Does compiler simultaneously support -c and -o options?]) +])# _LT_COMPILER_C_O + + +# _LT_COMPILER_FILE_LOCKS([TAGNAME]) +# ---------------------------------- +# Check to see if we can do hard links to lock some files if needed +m4_defun([_LT_COMPILER_FILE_LOCKS], +[m4_require([_LT_ENABLE_LOCK])dnl +m4_require([_LT_FILEUTILS_DEFAULTS])dnl +_LT_COMPILER_C_O([$1]) + +hard_links="nottested" +if test "$_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)" = no && test "$need_locks" != no; then + # do not overwrite the value of need_locks provided by the user + AC_MSG_CHECKING([if we can lock with hard links]) + hard_links=yes + $RM conftest* + ln conftest.a conftest.b 2>/dev/null && hard_links=no + touch conftest.a + ln conftest.a conftest.b 2>&5 || hard_links=no + ln conftest.a conftest.b 2>/dev/null && hard_links=no + AC_MSG_RESULT([$hard_links]) + if test "$hard_links" = no; then + AC_MSG_WARN([`$CC' does not support `-c -o', so `make -j' may be unsafe]) + need_locks=warn + fi +else + need_locks=no +fi +_LT_DECL([], [need_locks], [1], [Must we lock files when doing compilation?]) +])# _LT_COMPILER_FILE_LOCKS + + +# _LT_CHECK_OBJDIR +# ---------------- +m4_defun([_LT_CHECK_OBJDIR], +[AC_CACHE_CHECK([for objdir], [lt_cv_objdir], +[rm -f .libs 2>/dev/null +mkdir .libs 2>/dev/null +if test -d .libs; then + lt_cv_objdir=.libs +else + # MS-DOS does not allow filenames that begin with a dot. + lt_cv_objdir=_libs +fi +rmdir .libs 2>/dev/null]) +objdir=$lt_cv_objdir +_LT_DECL([], [objdir], [0], + [The name of the directory that contains temporary libtool files])dnl +m4_pattern_allow([LT_OBJDIR])dnl +AC_DEFINE_UNQUOTED(LT_OBJDIR, "$lt_cv_objdir/", + [Define to the sub-directory in which libtool stores uninstalled libraries.]) +])# _LT_CHECK_OBJDIR + + +# _LT_LINKER_HARDCODE_LIBPATH([TAGNAME]) +# -------------------------------------- +# Check hardcoding attributes. +m4_defun([_LT_LINKER_HARDCODE_LIBPATH], +[AC_MSG_CHECKING([how to hardcode library paths into programs]) +_LT_TAGVAR(hardcode_action, $1)= +if test -n "$_LT_TAGVAR(hardcode_libdir_flag_spec, $1)" || + test -n "$_LT_TAGVAR(runpath_var, $1)" || + test "X$_LT_TAGVAR(hardcode_automatic, $1)" = "Xyes" ; then + + # We can hardcode non-existent directories. + if test "$_LT_TAGVAR(hardcode_direct, $1)" != no && + # If the only mechanism to avoid hardcoding is shlibpath_var, we + # have to relink, otherwise we might link with an installed library + # when we should be linking with a yet-to-be-installed one + ## test "$_LT_TAGVAR(hardcode_shlibpath_var, $1)" != no && + test "$_LT_TAGVAR(hardcode_minus_L, $1)" != no; then + # Linking always hardcodes the temporary library directory. + _LT_TAGVAR(hardcode_action, $1)=relink + else + # We can link without hardcoding, and we can hardcode nonexisting dirs. + _LT_TAGVAR(hardcode_action, $1)=immediate + fi +else + # We cannot hardcode anything, or else we can only hardcode existing + # directories. + _LT_TAGVAR(hardcode_action, $1)=unsupported +fi +AC_MSG_RESULT([$_LT_TAGVAR(hardcode_action, $1)]) + +if test "$_LT_TAGVAR(hardcode_action, $1)" = relink || + test "$_LT_TAGVAR(inherit_rpath, $1)" = yes; then + # Fast installation is not supported + enable_fast_install=no +elif test "$shlibpath_overrides_runpath" = yes || + test "$enable_shared" = no; then + # Fast installation is not necessary + enable_fast_install=needless +fi +_LT_TAGDECL([], [hardcode_action], [0], + [How to hardcode a shared library path into an executable]) +])# _LT_LINKER_HARDCODE_LIBPATH + + +# _LT_CMD_STRIPLIB +# ---------------- +m4_defun([_LT_CMD_STRIPLIB], +[m4_require([_LT_DECL_EGREP]) +striplib= +old_striplib= +AC_MSG_CHECKING([whether stripping libraries is possible]) +if test -n "$STRIP" && $STRIP -V 2>&1 | $GREP "GNU strip" >/dev/null; then + test -z "$old_striplib" && old_striplib="$STRIP --strip-debug" + test -z "$striplib" && striplib="$STRIP --strip-unneeded" + AC_MSG_RESULT([yes]) +else +# FIXME - insert some real tests, host_os isn't really good enough + case $host_os in + darwin*) + if test -n "$STRIP" ; then + striplib="$STRIP -x" + old_striplib="$STRIP -S" + AC_MSG_RESULT([yes]) + else + AC_MSG_RESULT([no]) + fi + ;; + *) + AC_MSG_RESULT([no]) + ;; + esac +fi +_LT_DECL([], [old_striplib], [1], [Commands to strip libraries]) +_LT_DECL([], [striplib], [1]) +])# _LT_CMD_STRIPLIB + + +# _LT_SYS_DYNAMIC_LINKER([TAG]) +# ----------------------------- +# PORTME Fill in your ld.so characteristics +m4_defun([_LT_SYS_DYNAMIC_LINKER], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +m4_require([_LT_DECL_EGREP])dnl +m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_DECL_OBJDUMP])dnl +m4_require([_LT_DECL_SED])dnl +m4_require([_LT_CHECK_SHELL_FEATURES])dnl +AC_MSG_CHECKING([dynamic linker characteristics]) +m4_if([$1], + [], [ +if test "$GCC" = yes; then + case $host_os in + darwin*) lt_awk_arg="/^libraries:/,/LR/" ;; + *) lt_awk_arg="/^libraries:/" ;; + esac + case $host_os in + mingw* | cegcc*) lt_sed_strip_eq="s,=\([[A-Za-z]]:\),\1,g" ;; + *) lt_sed_strip_eq="s,=/,/,g" ;; + esac + lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e $lt_sed_strip_eq` + case $lt_search_path_spec in + *\;*) + # if the path contains ";" then we assume it to be the separator + # otherwise default to the standard path separator (i.e. ":") - it is + # assumed that no part of a normal pathname contains ";" but that should + # okay in the real world where ";" in dirpaths is itself problematic. + lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED 's/;/ /g'` + ;; + *) + lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED "s/$PATH_SEPARATOR/ /g"` + ;; + esac + # Ok, now we have the path, separated by spaces, we can step through it + # and add multilib dir if necessary. + lt_tmp_lt_search_path_spec= + lt_multi_os_dir=`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null` + for lt_sys_path in $lt_search_path_spec; do + if test -d "$lt_sys_path/$lt_multi_os_dir"; then + lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path/$lt_multi_os_dir" + else + test -d "$lt_sys_path" && \ + lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path" + fi + done + lt_search_path_spec=`$ECHO "$lt_tmp_lt_search_path_spec" | awk ' +BEGIN {RS=" "; FS="/|\n";} { + lt_foo=""; + lt_count=0; + for (lt_i = NF; lt_i > 0; lt_i--) { + if ($lt_i != "" && $lt_i != ".") { + if ($lt_i == "..") { + lt_count++; + } else { + if (lt_count == 0) { + lt_foo="/" $lt_i lt_foo; + } else { + lt_count--; + } + } + } + } + if (lt_foo != "") { lt_freq[[lt_foo]]++; } + if (lt_freq[[lt_foo]] == 1) { print lt_foo; } +}'` + # AWK program above erroneously prepends '/' to C:/dos/paths + # for these hosts. + case $host_os in + mingw* | cegcc*) lt_search_path_spec=`$ECHO "$lt_search_path_spec" |\ + $SED 's,/\([[A-Za-z]]:\),\1,g'` ;; + esac + sys_lib_search_path_spec=`$ECHO "$lt_search_path_spec" | $lt_NL2SP` +else + sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib" +fi]) +library_names_spec= +libname_spec='lib$name' +soname_spec= +shrext_cmds=".so" +postinstall_cmds= +postuninstall_cmds= +finish_cmds= +finish_eval= +shlibpath_var= +shlibpath_overrides_runpath=unknown +version_type=none +dynamic_linker="$host_os ld.so" +sys_lib_dlsearch_path_spec="/lib /usr/lib" +need_lib_prefix=unknown +hardcode_into_libs=no + +# when you set need_version to no, make sure it does not cause -set_version +# flags to be left without arguments +need_version=unknown + +case $host_os in +aix3*) + version_type=linux + library_names_spec='${libname}${release}${shared_ext}$versuffix $libname.a' + shlibpath_var=LIBPATH + + # AIX 3 has no versioning support, so we append a major version to the name. + soname_spec='${libname}${release}${shared_ext}$major' + ;; + +aix[[4-9]]*) + version_type=linux + need_lib_prefix=no + need_version=no + hardcode_into_libs=yes + if test "$host_cpu" = ia64; then + # AIX 5 supports IA64 + library_names_spec='${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext}$versuffix $libname${shared_ext}' + shlibpath_var=LD_LIBRARY_PATH + else + # With GCC up to 2.95.x, collect2 would create an import file + # for dependence libraries. The import file would start with + # the line `#! .'. This would cause the generated library to + # depend on `.', always an invalid library. This was fixed in + # development snapshots of GCC prior to 3.0. + case $host_os in + aix4 | aix4.[[01]] | aix4.[[01]].*) + if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)' + echo ' yes ' + echo '#endif'; } | ${CC} -E - | $GREP yes > /dev/null; then + : + else + can_build_shared=no + fi + ;; + esac + # AIX (on Power*) has no versioning support, so currently we can not hardcode correct + # soname into executable. Probably we can add versioning support to + # collect2, so additional links can be useful in future. + if test "$aix_use_runtimelinking" = yes; then + # If using run time linking (on AIX 4.2 or later) use lib.so + # instead of lib.a to let people know that these are not + # typical AIX shared libraries. + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + else + # We preserve .a as extension for shared libraries through AIX4.2 + # and later when we are not doing run time linking. + library_names_spec='${libname}${release}.a $libname.a' + soname_spec='${libname}${release}${shared_ext}$major' + fi + shlibpath_var=LIBPATH + fi + ;; + +amigaos*) + case $host_cpu in + powerpc) + # Since July 2007 AmigaOS4 officially supports .so libraries. + # When compiling the executable, add -use-dynld -Lsobjs: to the compileline. + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + ;; + m68k) + library_names_spec='$libname.ixlibrary $libname.a' + # Create ${libname}_ixlibrary.a entries in /sys/libs. + finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`func_echo_all "$lib" | $SED '\''s%^.*/\([[^/]]*\)\.ixlibrary$%\1%'\''`; test $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done' + ;; + esac + ;; + +beos*) + library_names_spec='${libname}${shared_ext}' + dynamic_linker="$host_os ld.so" + shlibpath_var=LIBRARY_PATH + ;; + +bsdi[[45]]*) + version_type=linux + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir' + shlibpath_var=LD_LIBRARY_PATH + sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib" + sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib" + # the default ld.so.conf also contains /usr/contrib/lib and + # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow + # libtool to hard-code these into programs + ;; + +cygwin* | mingw* | pw32* | cegcc*) + version_type=windows + shrext_cmds=".dll" + need_version=no + need_lib_prefix=no + + case $GCC,$cc_basename in + yes,*) + # gcc + library_names_spec='$libname.dll.a' + # DLL is installed to $(libdir)/../bin by postinstall_cmds + postinstall_cmds='base_file=`basename \${file}`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i; echo \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname~ + chmod a+x \$dldir/$dlname~ + if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then + eval '\''$striplib \$dldir/$dlname'\'' || exit \$?; + fi' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + shlibpath_overrides_runpath=yes + + case $host_os in + cygwin*) + # Cygwin DLLs use 'cyg' prefix rather than 'lib' + soname_spec='`echo ${libname} | sed -e 's/^lib/cyg/'``echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}' +m4_if([$1], [],[ + sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/lib/w32api"]) + ;; + mingw* | cegcc*) + # MinGW DLLs use traditional 'lib' prefix + soname_spec='${libname}`echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}' + ;; + pw32*) + # pw32 DLLs use 'pw' prefix rather than 'lib' + library_names_spec='`echo ${libname} | sed -e 's/^lib/pw/'``echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}' + ;; + esac + dynamic_linker='Win32 ld.exe' + ;; + + *,cl*) + # Native MSVC + libname_spec='$name' + soname_spec='${libname}`echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}' + library_names_spec='${libname}.dll.lib' + + case $build_os in + mingw*) + sys_lib_search_path_spec= + lt_save_ifs=$IFS + IFS=';' + for lt_path in $LIB + do + IFS=$lt_save_ifs + # Let DOS variable expansion print the short 8.3 style file name. + lt_path=`cd "$lt_path" 2>/dev/null && cmd //C "for %i in (".") do @echo %~si"` + sys_lib_search_path_spec="$sys_lib_search_path_spec $lt_path" + done + IFS=$lt_save_ifs + # Convert to MSYS style. + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | sed -e 's|\\\\|/|g' -e 's| \\([[a-zA-Z]]\\):| /\\1|g' -e 's|^ ||'` + ;; + cygwin*) + # Convert to unix form, then to dos form, then back to unix form + # but this time dos style (no spaces!) so that the unix form looks + # like /cygdrive/c/PROGRA~1:/cygdr... + sys_lib_search_path_spec=`cygpath --path --unix "$LIB"` + sys_lib_search_path_spec=`cygpath --path --dos "$sys_lib_search_path_spec" 2>/dev/null` + sys_lib_search_path_spec=`cygpath --path --unix "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"` + ;; + *) + sys_lib_search_path_spec="$LIB" + if $ECHO "$sys_lib_search_path_spec" | [$GREP ';[c-zC-Z]:/' >/dev/null]; then + # It is most probably a Windows format PATH. + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'` + else + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"` + fi + # FIXME: find the short name or the path components, as spaces are + # common. (e.g. "Program Files" -> "PROGRA~1") + ;; + esac + + # DLL is installed to $(libdir)/../bin by postinstall_cmds + postinstall_cmds='base_file=`basename \${file}`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i; echo \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + shlibpath_overrides_runpath=yes + dynamic_linker='Win32 link.exe' + ;; + + *) + # Assume MSVC wrapper + library_names_spec='${libname}`echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext} $libname.lib' + dynamic_linker='Win32 ld.exe' + ;; + esac + # FIXME: first we should search . and the directory the executable is in + shlibpath_var=PATH + ;; + +darwin* | rhapsody*) + dynamic_linker="$host_os dyld" + version_type=darwin + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${major}$shared_ext ${libname}$shared_ext' + soname_spec='${libname}${release}${major}$shared_ext' + shlibpath_overrides_runpath=yes + shlibpath_var=DYLD_LIBRARY_PATH + shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`' +m4_if([$1], [],[ + sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/local/lib"]) + sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib' + ;; + +dgux*) + version_type=linux + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname$shared_ext' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + ;; + +freebsd1*) + dynamic_linker=no + ;; + +freebsd* | dragonfly*) + # DragonFly does not have aout. When/if they implement a new + # versioning mechanism, adjust this. + if test -x /usr/bin/objformat; then + objformat=`/usr/bin/objformat` + else + case $host_os in + freebsd[[123]]*) objformat=aout ;; + *) objformat=elf ;; + esac + fi + version_type=freebsd-$objformat + case $version_type in + freebsd-elf*) + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}' + need_version=no + need_lib_prefix=no + ;; + freebsd-*) + library_names_spec='${libname}${release}${shared_ext}$versuffix $libname${shared_ext}$versuffix' + need_version=yes + ;; + esac + shlibpath_var=LD_LIBRARY_PATH + case $host_os in + freebsd2*) + shlibpath_overrides_runpath=yes + ;; + freebsd3.[[01]]* | freebsdelf3.[[01]]*) + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + freebsd3.[[2-9]]* | freebsdelf3.[[2-9]]* | \ + freebsd4.[[0-5]] | freebsdelf4.[[0-5]] | freebsd4.1.1 | freebsdelf4.1.1) + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + *) # from 4.6 on, and DragonFly + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + esac + ;; + +gnu*) + version_type=linux + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + hardcode_into_libs=yes + ;; + +haiku*) + version_type=linux + need_lib_prefix=no + need_version=no + dynamic_linker="$host_os runtime_loader" + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LIBRARY_PATH + shlibpath_overrides_runpath=yes + sys_lib_dlsearch_path_spec='/boot/home/config/lib /boot/common/lib /boot/system/lib' + hardcode_into_libs=yes + ;; + +hpux9* | hpux10* | hpux11*) + # Give a soname corresponding to the major version so that dld.sl refuses to + # link against other versions. + version_type=sunos + need_lib_prefix=no + need_version=no + case $host_cpu in + ia64*) + shrext_cmds='.so' + hardcode_into_libs=yes + dynamic_linker="$host_os dld.so" + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + if test "X$HPUX_IA64_MODE" = X32; then + sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib" + else + sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64" + fi + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + ;; + hppa*64*) + shrext_cmds='.sl' + hardcode_into_libs=yes + dynamic_linker="$host_os dld.sl" + shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH + shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64" + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + ;; + *) + shrext_cmds='.sl' + dynamic_linker="$host_os dld.sl" + shlibpath_var=SHLIB_PATH + shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + ;; + esac + # HP-UX runs *really* slowly unless shared libraries are mode 555, ... + postinstall_cmds='chmod 555 $lib' + # or fails outright, so override atomically: + install_override_mode=555 + ;; + +interix[[3-9]]*) + version_type=linux + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + +irix5* | irix6* | nonstopux*) + case $host_os in + nonstopux*) version_type=nonstopux ;; + *) + if test "$lt_cv_prog_gnu_ld" = yes; then + version_type=linux + else + version_type=irix + fi ;; + esac + need_lib_prefix=no + need_version=no + soname_spec='${libname}${release}${shared_ext}$major' + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}' + case $host_os in + irix5* | nonstopux*) + libsuff= shlibsuff= + ;; + *) + case $LD in # libtool.m4 will add one of these switches to LD + *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") + libsuff= shlibsuff= libmagic=32-bit;; + *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") + libsuff=32 shlibsuff=N32 libmagic=N32;; + *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") + libsuff=64 shlibsuff=64 libmagic=64-bit;; + *) libsuff= shlibsuff= libmagic=never-match;; + esac + ;; + esac + shlibpath_var=LD_LIBRARY${shlibsuff}_PATH + shlibpath_overrides_runpath=no + sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}" + sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}" + hardcode_into_libs=yes + ;; + +# No shared lib support for Linux oldld, aout, or coff. +linux*oldld* | linux*aout* | linux*coff*) + dynamic_linker=no + ;; + +# This must be Linux ELF. +linux* | k*bsd*-gnu | kopensolaris*-gnu) + version_type=linux + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + + # Some binutils ld are patched to set DT_RUNPATH + AC_CACHE_VAL([lt_cv_shlibpath_overrides_runpath], + [lt_cv_shlibpath_overrides_runpath=no + save_LDFLAGS=$LDFLAGS + save_libdir=$libdir + eval "libdir=/foo; wl=\"$_LT_TAGVAR(lt_prog_compiler_wl, $1)\"; \ + LDFLAGS=\"\$LDFLAGS $_LT_TAGVAR(hardcode_libdir_flag_spec, $1)\"" + AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])], + [AS_IF([ ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null], + [lt_cv_shlibpath_overrides_runpath=yes])]) + LDFLAGS=$save_LDFLAGS + libdir=$save_libdir + ]) + shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath + + # This implies no fast_install, which is unacceptable. + # Some rework will be needed to allow for fast_install + # before this can be enabled. + hardcode_into_libs=yes + + # Add ABI-specific directories to the system library path. + sys_lib_dlsearch_path_spec="/lib64 /usr/lib64 /lib /usr/lib" + + # Append ld.so.conf contents to the search path + if test -f /etc/ld.so.conf; then + lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \[$]2)); skip = 1; } { if (!skip) print \[$]0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` + sys_lib_dlsearch_path_spec="$sys_lib_dlsearch_path_spec $lt_ld_extra" + + fi + + # We used to test for /lib/ld.so.1 and disable shared libraries on + # powerpc, because MkLinux only supported shared libraries with the + # GNU dynamic linker. Since this was broken with cross compilers, + # most powerpc-linux boxes support dynamic linking these days and + # people can always --disable-shared, the test was removed, and we + # assume the GNU/Linux dynamic linker is in use. + dynamic_linker='GNU/Linux ld.so' + ;; + +netbsd*) + version_type=sunos + need_lib_prefix=no + need_version=no + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' + dynamic_linker='NetBSD (a.out) ld.so' + else + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + dynamic_linker='NetBSD ld.elf_so' + fi + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + +newsos6) + version_type=linux + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + ;; + +*nto* | *qnx*) + version_type=qnx + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + dynamic_linker='ldqnx.so' + ;; + +openbsd*) + version_type=sunos + sys_lib_dlsearch_path_spec="/usr/lib" + need_lib_prefix=no + # Some older versions of OpenBSD (3.3 at least) *do* need versioned libs. + case $host_os in + openbsd3.3 | openbsd3.3.*) need_version=yes ;; + *) need_version=no ;; + esac + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' + shlibpath_var=LD_LIBRARY_PATH + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then + case $host_os in + openbsd2.[[89]] | openbsd2.[[89]].*) + shlibpath_overrides_runpath=no + ;; + *) + shlibpath_overrides_runpath=yes + ;; + esac + else + shlibpath_overrides_runpath=yes + fi + ;; + +os2*) + libname_spec='$name' + shrext_cmds=".dll" + need_lib_prefix=no + library_names_spec='$libname${shared_ext} $libname.a' + dynamic_linker='OS/2 ld.exe' + shlibpath_var=LIBPATH + ;; + +osf3* | osf4* | osf5*) + version_type=osf + need_lib_prefix=no + need_version=no + soname_spec='${libname}${release}${shared_ext}$major' + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + shlibpath_var=LD_LIBRARY_PATH + sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib" + sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec" + ;; + +rdos*) + dynamic_linker=no + ;; + +solaris*) + version_type=linux + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + # ldd complains unless libraries are executable + postinstall_cmds='chmod +x $lib' + ;; + +sunos4*) + version_type=sunos + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' + finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + if test "$with_gnu_ld" = yes; then + need_lib_prefix=no + fi + need_version=yes + ;; + +sysv4 | sysv4.3*) + version_type=linux + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + case $host_vendor in + sni) + shlibpath_overrides_runpath=no + need_lib_prefix=no + runpath_var=LD_RUN_PATH + ;; + siemens) + need_lib_prefix=no + ;; + motorola) + need_lib_prefix=no + need_version=no + shlibpath_overrides_runpath=no + sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib' + ;; + esac + ;; + +sysv4*MP*) + if test -d /usr/nec ;then + version_type=linux + library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}' + soname_spec='$libname${shared_ext}.$major' + shlibpath_var=LD_LIBRARY_PATH + fi + ;; + +sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) + version_type=freebsd-elf + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + if test "$with_gnu_ld" = yes; then + sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib' + else + sys_lib_search_path_spec='/usr/ccs/lib /usr/lib' + case $host_os in + sco3.2v5*) + sys_lib_search_path_spec="$sys_lib_search_path_spec /lib" + ;; + esac + fi + sys_lib_dlsearch_path_spec='/usr/lib' + ;; + +tpf*) + # TPF is a cross-target only. Preferred cross-host = GNU/Linux. + version_type=linux + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + +uts4*) + version_type=linux + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + ;; + +*) + dynamic_linker=no + ;; +esac +AC_MSG_RESULT([$dynamic_linker]) +test "$dynamic_linker" = no && can_build_shared=no + +variables_saved_for_relink="PATH $shlibpath_var $runpath_var" +if test "$GCC" = yes; then + variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH" +fi + +if test "${lt_cv_sys_lib_search_path_spec+set}" = set; then + sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec" +fi +if test "${lt_cv_sys_lib_dlsearch_path_spec+set}" = set; then + sys_lib_dlsearch_path_spec="$lt_cv_sys_lib_dlsearch_path_spec" +fi + +_LT_DECL([], [variables_saved_for_relink], [1], + [Variables whose values should be saved in libtool wrapper scripts and + restored at link time]) +_LT_DECL([], [need_lib_prefix], [0], + [Do we need the "lib" prefix for modules?]) +_LT_DECL([], [need_version], [0], [Do we need a version for libraries?]) +_LT_DECL([], [version_type], [0], [Library versioning type]) +_LT_DECL([], [runpath_var], [0], [Shared library runtime path variable]) +_LT_DECL([], [shlibpath_var], [0],[Shared library path variable]) +_LT_DECL([], [shlibpath_overrides_runpath], [0], + [Is shlibpath searched before the hard-coded library search path?]) +_LT_DECL([], [libname_spec], [1], [Format of library name prefix]) +_LT_DECL([], [library_names_spec], [1], + [[List of archive names. First name is the real one, the rest are links. + The last name is the one that the linker finds with -lNAME]]) +_LT_DECL([], [soname_spec], [1], + [[The coded name of the library, if different from the real name]]) +_LT_DECL([], [install_override_mode], [1], + [Permission mode override for installation of shared libraries]) +_LT_DECL([], [postinstall_cmds], [2], + [Command to use after installation of a shared archive]) +_LT_DECL([], [postuninstall_cmds], [2], + [Command to use after uninstallation of a shared archive]) +_LT_DECL([], [finish_cmds], [2], + [Commands used to finish a libtool library installation in a directory]) +_LT_DECL([], [finish_eval], [1], + [[As "finish_cmds", except a single script fragment to be evaled but + not shown]]) +_LT_DECL([], [hardcode_into_libs], [0], + [Whether we should hardcode library paths into libraries]) +_LT_DECL([], [sys_lib_search_path_spec], [2], + [Compile-time system search path for libraries]) +_LT_DECL([], [sys_lib_dlsearch_path_spec], [2], + [Run-time system search path for libraries]) +])# _LT_SYS_DYNAMIC_LINKER + + +# _LT_PATH_TOOL_PREFIX(TOOL) +# -------------------------- +# find a file program which can recognize shared library +AC_DEFUN([_LT_PATH_TOOL_PREFIX], +[m4_require([_LT_DECL_EGREP])dnl +AC_MSG_CHECKING([for $1]) +AC_CACHE_VAL(lt_cv_path_MAGIC_CMD, +[case $MAGIC_CMD in +[[\\/*] | ?:[\\/]*]) + lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path. + ;; +*) + lt_save_MAGIC_CMD="$MAGIC_CMD" + lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR +dnl $ac_dummy forces splitting on constant user-supplied paths. +dnl POSIX.2 word splitting is done only on the output of word expansions, +dnl not every word. This closes a longstanding sh security hole. + ac_dummy="m4_if([$2], , $PATH, [$2])" + for ac_dir in $ac_dummy; do + IFS="$lt_save_ifs" + test -z "$ac_dir" && ac_dir=. + if test -f $ac_dir/$1; then + lt_cv_path_MAGIC_CMD="$ac_dir/$1" + if test -n "$file_magic_test_file"; then + case $deplibs_check_method in + "file_magic "*) + file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"` + MAGIC_CMD="$lt_cv_path_MAGIC_CMD" + if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null | + $EGREP "$file_magic_regex" > /dev/null; then + : + else + cat <<_LT_EOF 1>&2 + +*** Warning: the command libtool uses to detect shared libraries, +*** $file_magic_cmd, produces output that libtool cannot recognize. +*** The result is that libtool may fail to recognize shared libraries +*** as such. This will affect the creation of libtool libraries that +*** depend on shared libraries, but programs linked with such libtool +*** libraries will work regardless of this problem. Nevertheless, you +*** may want to report the problem to your system manager and/or to +*** bug-libtool@gnu.org + +_LT_EOF + fi ;; + esac + fi + break + fi + done + IFS="$lt_save_ifs" + MAGIC_CMD="$lt_save_MAGIC_CMD" + ;; +esac]) +MAGIC_CMD="$lt_cv_path_MAGIC_CMD" +if test -n "$MAGIC_CMD"; then + AC_MSG_RESULT($MAGIC_CMD) +else + AC_MSG_RESULT(no) +fi +_LT_DECL([], [MAGIC_CMD], [0], + [Used to examine libraries when file_magic_cmd begins with "file"])dnl +])# _LT_PATH_TOOL_PREFIX + +# Old name: +AU_ALIAS([AC_PATH_TOOL_PREFIX], [_LT_PATH_TOOL_PREFIX]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_PATH_TOOL_PREFIX], []) + + +# _LT_PATH_MAGIC +# -------------- +# find a file program which can recognize a shared library +m4_defun([_LT_PATH_MAGIC], +[_LT_PATH_TOOL_PREFIX(${ac_tool_prefix}file, /usr/bin$PATH_SEPARATOR$PATH) +if test -z "$lt_cv_path_MAGIC_CMD"; then + if test -n "$ac_tool_prefix"; then + _LT_PATH_TOOL_PREFIX(file, /usr/bin$PATH_SEPARATOR$PATH) + else + MAGIC_CMD=: + fi +fi +])# _LT_PATH_MAGIC + + +# LT_PATH_LD +# ---------- +# find the pathname to the GNU or non-GNU linker +AC_DEFUN([LT_PATH_LD], +[AC_REQUIRE([AC_PROG_CC])dnl +AC_REQUIRE([AC_CANONICAL_HOST])dnl +AC_REQUIRE([AC_CANONICAL_BUILD])dnl +m4_require([_LT_DECL_SED])dnl +m4_require([_LT_DECL_EGREP])dnl +m4_require([_LT_PROG_ECHO_BACKSLASH])dnl + +AC_ARG_WITH([gnu-ld], + [AS_HELP_STRING([--with-gnu-ld], + [assume the C compiler uses GNU ld @<:@default=no@:>@])], + [test "$withval" = no || with_gnu_ld=yes], + [with_gnu_ld=no])dnl + +ac_prog=ld +if test "$GCC" = yes; then + # Check if gcc -print-prog-name=ld gives a path. + AC_MSG_CHECKING([for ld used by $CC]) + case $host in + *-*-mingw*) + # gcc leaves a trailing carriage return which upsets mingw + ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;; + *) + ac_prog=`($CC -print-prog-name=ld) 2>&5` ;; + esac + case $ac_prog in + # Accept absolute paths. + [[\\/]]* | ?:[[\\/]]*) + re_direlt='/[[^/]][[^/]]*/\.\./' + # Canonicalize the pathname of ld + ac_prog=`$ECHO "$ac_prog"| $SED 's%\\\\%/%g'` + while $ECHO "$ac_prog" | $GREP "$re_direlt" > /dev/null 2>&1; do + ac_prog=`$ECHO $ac_prog| $SED "s%$re_direlt%/%"` + done + test -z "$LD" && LD="$ac_prog" + ;; + "") + # If it fails, then pretend we aren't using GCC. + ac_prog=ld + ;; + *) + # If it is relative, then search for the first ld in PATH. + with_gnu_ld=unknown + ;; + esac +elif test "$with_gnu_ld" = yes; then + AC_MSG_CHECKING([for GNU ld]) +else + AC_MSG_CHECKING([for non-GNU ld]) +fi +AC_CACHE_VAL(lt_cv_path_LD, +[if test -z "$LD"; then + lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR + for ac_dir in $PATH; do + IFS="$lt_save_ifs" + test -z "$ac_dir" && ac_dir=. + if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then + lt_cv_path_LD="$ac_dir/$ac_prog" + # Check to see if the program is GNU ld. I'd rather use --version, + # but apparently some variants of GNU ld only accept -v. + # Break only if it was the GNU/non-GNU ld that we prefer. + case `"$lt_cv_path_LD" -v 2>&1 &1 /dev/null 2>&1; then + lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' + lt_cv_file_magic_cmd='func_win32_libid' + else + # Keep this pattern in sync with the one in func_win32_libid. + lt_cv_deplibs_check_method='file_magic file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' + lt_cv_file_magic_cmd='$OBJDUMP -f' + fi + ;; + +cegcc*) + # use the weaker test based on 'objdump'. See mingw*. + lt_cv_deplibs_check_method='file_magic file format pe-arm-.*little(.*architecture: arm)?' + lt_cv_file_magic_cmd='$OBJDUMP -f' + ;; + +darwin* | rhapsody*) + lt_cv_deplibs_check_method=pass_all + ;; + +freebsd* | dragonfly*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then + case $host_cpu in + i*86 ) + # Not sure whether the presence of OpenBSD here was a mistake. + # Let's accept both of them until this is cleared up. + lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[[3-9]]86 (compact )?demand paged shared library' + lt_cv_file_magic_cmd=/usr/bin/file + lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*` + ;; + esac + else + lt_cv_deplibs_check_method=pass_all + fi + ;; + +gnu*) + lt_cv_deplibs_check_method=pass_all + ;; + +haiku*) + lt_cv_deplibs_check_method=pass_all + ;; + +hpux10.20* | hpux11*) + lt_cv_file_magic_cmd=/usr/bin/file + case $host_cpu in + ia64*) + lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|ELF-[[0-9]][[0-9]]) shared object file - IA64' + lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so + ;; + hppa*64*) + [lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF[ -][0-9][0-9])(-bit)?( [LM]SB)? shared object( file)?[, -]* PA-RISC [0-9]\.[0-9]'] + lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl + ;; + *) + lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|PA-RISC[[0-9]]\.[[0-9]]) shared library' + lt_cv_file_magic_test_file=/usr/lib/libc.sl + ;; + esac + ;; + +interix[[3-9]]*) + # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here + lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|\.a)$' + ;; + +irix5* | irix6* | nonstopux*) + case $LD in + *-32|*"-32 ") libmagic=32-bit;; + *-n32|*"-n32 ") libmagic=N32;; + *-64|*"-64 ") libmagic=64-bit;; + *) libmagic=never-match;; + esac + lt_cv_deplibs_check_method=pass_all + ;; + +# This must be Linux ELF. +linux* | k*bsd*-gnu | kopensolaris*-gnu) + lt_cv_deplibs_check_method=pass_all + ;; + +netbsd*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then + lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$' + else + lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|_pic\.a)$' + fi + ;; + +newos6*) + lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (executable|dynamic lib)' + lt_cv_file_magic_cmd=/usr/bin/file + lt_cv_file_magic_test_file=/usr/lib/libnls.so + ;; + +*nto* | *qnx*) + lt_cv_deplibs_check_method=pass_all + ;; + +openbsd*) + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then + lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|\.so|_pic\.a)$' + else + lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$' + fi + ;; + +osf3* | osf4* | osf5*) + lt_cv_deplibs_check_method=pass_all + ;; + +rdos*) + lt_cv_deplibs_check_method=pass_all + ;; + +solaris*) + lt_cv_deplibs_check_method=pass_all + ;; + +sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) + lt_cv_deplibs_check_method=pass_all + ;; + +sysv4 | sysv4.3*) + case $host_vendor in + motorola) + lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib) M[[0-9]][[0-9]]* Version [[0-9]]' + lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*` + ;; + ncr) + lt_cv_deplibs_check_method=pass_all + ;; + sequent) + lt_cv_file_magic_cmd='/bin/file' + lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB (shared object|dynamic lib )' + ;; + sni) + lt_cv_file_magic_cmd='/bin/file' + lt_cv_deplibs_check_method="file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB dynamic lib" + lt_cv_file_magic_test_file=/lib/libc.so + ;; + siemens) + lt_cv_deplibs_check_method=pass_all + ;; + pc) + lt_cv_deplibs_check_method=pass_all + ;; + esac + ;; + +tpf*) + lt_cv_deplibs_check_method=pass_all + ;; +esac +]) + +file_magic_glob= +want_nocaseglob=no +if test "$build" = "$host"; then + case $host_os in + mingw* | pw32*) + if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then + want_nocaseglob=yes + else + file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[[\1]]\/[[\1]]\/g;/g"` + fi + ;; + esac +fi + +file_magic_cmd=$lt_cv_file_magic_cmd +deplibs_check_method=$lt_cv_deplibs_check_method +test -z "$deplibs_check_method" && deplibs_check_method=unknown + +_LT_DECL([], [deplibs_check_method], [1], + [Method to check whether dependent libraries are shared objects]) +_LT_DECL([], [file_magic_cmd], [1], + [Command to use when deplibs_check_method = "file_magic"]) +_LT_DECL([], [file_magic_glob], [1], + [How to find potential files when deplibs_check_method = "file_magic"]) +_LT_DECL([], [want_nocaseglob], [1], + [Find potential files using nocaseglob when deplibs_check_method = "file_magic"]) +])# _LT_CHECK_MAGIC_METHOD + + +# LT_PATH_NM +# ---------- +# find the pathname to a BSD- or MS-compatible name lister +AC_DEFUN([LT_PATH_NM], +[AC_REQUIRE([AC_PROG_CC])dnl +AC_CACHE_CHECK([for BSD- or MS-compatible name lister (nm)], lt_cv_path_NM, +[if test -n "$NM"; then + # Let the user override the test. + lt_cv_path_NM="$NM" +else + lt_nm_to_check="${ac_tool_prefix}nm" + if test -n "$ac_tool_prefix" && test "$build" = "$host"; then + lt_nm_to_check="$lt_nm_to_check nm" + fi + for lt_tmp_nm in $lt_nm_to_check; do + lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR + for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do + IFS="$lt_save_ifs" + test -z "$ac_dir" && ac_dir=. + tmp_nm="$ac_dir/$lt_tmp_nm" + if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext" ; then + # Check to see if the nm accepts a BSD-compat flag. + # Adding the `sed 1q' prevents false positives on HP-UX, which says: + # nm: unknown option "B" ignored + # Tru64's nm complains that /dev/null is an invalid object file + case `"$tmp_nm" -B /dev/null 2>&1 | sed '1q'` in + */dev/null* | *'Invalid file or object type'*) + lt_cv_path_NM="$tmp_nm -B" + break + ;; + *) + case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in + */dev/null*) + lt_cv_path_NM="$tmp_nm -p" + break + ;; + *) + lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but + continue # so that we can try to find one that supports BSD flags + ;; + esac + ;; + esac + fi + done + IFS="$lt_save_ifs" + done + : ${lt_cv_path_NM=no} +fi]) +if test "$lt_cv_path_NM" != "no"; then + NM="$lt_cv_path_NM" +else + # Didn't find any BSD compatible name lister, look for dumpbin. + if test -n "$DUMPBIN"; then : + # Let the user override the test. + else + AC_CHECK_TOOLS(DUMPBIN, [dumpbin "link -dump"], :) + case `$DUMPBIN -symbols /dev/null 2>&1 | sed '1q'` in + *COFF*) + DUMPBIN="$DUMPBIN -symbols" + ;; + *) + DUMPBIN=: + ;; + esac + fi + AC_SUBST([DUMPBIN]) + if test "$DUMPBIN" != ":"; then + NM="$DUMPBIN" + fi +fi +test -z "$NM" && NM=nm +AC_SUBST([NM]) +_LT_DECL([], [NM], [1], [A BSD- or MS-compatible name lister])dnl + +AC_CACHE_CHECK([the name lister ($NM) interface], [lt_cv_nm_interface], + [lt_cv_nm_interface="BSD nm" + echo "int some_variable = 0;" > conftest.$ac_ext + (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&AS_MESSAGE_LOG_FD) + (eval "$ac_compile" 2>conftest.err) + cat conftest.err >&AS_MESSAGE_LOG_FD + (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&AS_MESSAGE_LOG_FD) + (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out) + cat conftest.err >&AS_MESSAGE_LOG_FD + (eval echo "\"\$as_me:$LINENO: output\"" >&AS_MESSAGE_LOG_FD) + cat conftest.out >&AS_MESSAGE_LOG_FD + if $GREP 'External.*some_variable' conftest.out > /dev/null; then + lt_cv_nm_interface="MS dumpbin" + fi + rm -f conftest*]) +])# LT_PATH_NM + +# Old names: +AU_ALIAS([AM_PROG_NM], [LT_PATH_NM]) +AU_ALIAS([AC_PROG_NM], [LT_PATH_NM]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AM_PROG_NM], []) +dnl AC_DEFUN([AC_PROG_NM], []) + +# _LT_CHECK_SHAREDLIB_FROM_LINKLIB +# -------------------------------- +# how to determine the name of the shared library +# associated with a specific link library. +# -- PORTME fill in with the dynamic library characteristics +m4_defun([_LT_CHECK_SHAREDLIB_FROM_LINKLIB], +[m4_require([_LT_DECL_EGREP]) +m4_require([_LT_DECL_OBJDUMP]) +m4_require([_LT_DECL_DLLTOOL]) +AC_CACHE_CHECK([how to associate runtime and link libraries], +lt_cv_sharedlib_from_linklib_cmd, +[lt_cv_sharedlib_from_linklib_cmd='unknown' + +case $host_os in +cygwin* | mingw* | pw32* | cegcc*) + # two different shell functions defined in ltmain.sh + # decide which to use based on capabilities of $DLLTOOL + case `$DLLTOOL --help 2>&1` in + *--identify-strict*) + lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib + ;; + *) + lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback + ;; + esac + ;; +*) + # fallback: assume linklib IS sharedlib + lt_cv_sharedlib_from_linklib_cmd="$ECHO" + ;; +esac +]) +sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd +test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO + +_LT_DECL([], [sharedlib_from_linklib_cmd], [1], + [Command to associate shared and link libraries]) +])# _LT_CHECK_SHAREDLIB_FROM_LINKLIB + + +# _LT_PATH_MANIFEST_TOOL +# ---------------------- +# locate the manifest tool +m4_defun([_LT_PATH_MANIFEST_TOOL], +[AC_CHECK_TOOL(MANIFEST_TOOL, mt, :) +test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt +AC_CACHE_CHECK([if $MANIFEST_TOOL is a manifest tool], [lt_cv_path_mainfest_tool], + [lt_cv_path_mainfest_tool=no + echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&AS_MESSAGE_LOG_FD + $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out + cat conftest.err >&AS_MESSAGE_LOG_FD + if $GREP 'Manifest Tool' conftest.out > /dev/null; then + lt_cv_path_mainfest_tool=yes + fi + rm -f conftest*]) +if test "x$lt_cv_path_mainfest_tool" != xyes; then + MANIFEST_TOOL=: +fi +_LT_DECL([], [MANIFEST_TOOL], [1], [Manifest tool])dnl +])# _LT_PATH_MANIFEST_TOOL + + +# LT_LIB_M +# -------- +# check for math library +AC_DEFUN([LT_LIB_M], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +LIBM= +case $host in +*-*-beos* | *-*-cegcc* | *-*-cygwin* | *-*-haiku* | *-*-pw32* | *-*-darwin*) + # These system don't have libm, or don't need it + ;; +*-ncr-sysv4.3*) + AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw") + AC_CHECK_LIB(m, cos, LIBM="$LIBM -lm") + ;; +*) + AC_CHECK_LIB(m, cos, LIBM="-lm") + ;; +esac +AC_SUBST([LIBM]) +])# LT_LIB_M + +# Old name: +AU_ALIAS([AC_CHECK_LIBM], [LT_LIB_M]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_CHECK_LIBM], []) + + +# _LT_COMPILER_NO_RTTI([TAGNAME]) +# ------------------------------- +m4_defun([_LT_COMPILER_NO_RTTI], +[m4_require([_LT_TAG_COMPILER])dnl + +_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)= + +if test "$GCC" = yes; then + case $cc_basename in + nvcc*) + _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -Xcompiler -fno-builtin' ;; + *) + _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin' ;; + esac + + _LT_COMPILER_OPTION([if $compiler supports -fno-rtti -fno-exceptions], + lt_cv_prog_compiler_rtti_exceptions, + [-fno-rtti -fno-exceptions], [], + [_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)="$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1) -fno-rtti -fno-exceptions"]) +fi +_LT_TAGDECL([no_builtin_flag], [lt_prog_compiler_no_builtin_flag], [1], + [Compiler flag to turn off builtin functions]) +])# _LT_COMPILER_NO_RTTI + + +# _LT_CMD_GLOBAL_SYMBOLS +# ---------------------- +m4_defun([_LT_CMD_GLOBAL_SYMBOLS], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +AC_REQUIRE([AC_PROG_CC])dnl +AC_REQUIRE([AC_PROG_AWK])dnl +AC_REQUIRE([LT_PATH_NM])dnl +AC_REQUIRE([LT_PATH_LD])dnl +m4_require([_LT_DECL_SED])dnl +m4_require([_LT_DECL_EGREP])dnl +m4_require([_LT_TAG_COMPILER])dnl + +# Check for command to grab the raw symbol name followed by C symbol from nm. +AC_MSG_CHECKING([command to parse $NM output from $compiler object]) +AC_CACHE_VAL([lt_cv_sys_global_symbol_pipe], +[ +# These are sane defaults that work on at least a few old systems. +# [They come from Ultrix. What could be older than Ultrix?!! ;)] + +# Character class describing NM global symbol codes. +symcode='[[BCDEGRST]]' + +# Regexp to match symbols that can be accessed directly from C. +sympat='\([[_A-Za-z]][[_A-Za-z0-9]]*\)' + +# Define system-specific variables. +case $host_os in +aix*) + symcode='[[BCDT]]' + ;; +cygwin* | mingw* | pw32* | cegcc*) + symcode='[[ABCDGISTW]]' + ;; +hpux*) + if test "$host_cpu" = ia64; then + symcode='[[ABCDEGRST]]' + fi + ;; +irix* | nonstopux*) + symcode='[[BCDEGRST]]' + ;; +osf*) + symcode='[[BCDEGQRST]]' + ;; +solaris*) + symcode='[[BDRT]]' + ;; +sco3.2v5*) + symcode='[[DT]]' + ;; +sysv4.2uw2*) + symcode='[[DT]]' + ;; +sysv5* | sco5v6* | unixware* | OpenUNIX*) + symcode='[[ABDT]]' + ;; +sysv4) + symcode='[[DFNSTU]]' + ;; +esac + +# If we're using GNU nm, then use its standard symbol codes. +case `$NM -V 2>&1` in +*GNU* | *'with BFD'*) + symcode='[[ABCDGIRSTW]]' ;; +esac + +# Transform an extracted symbol line into a proper C declaration. +# Some systems (esp. on ia64) link data and code symbols differently, +# so use this general approach. +lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'" + +# Transform an extracted symbol line into symbol name and symbol address +lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([[^ ]]*\)[[ ]]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/ {\"\2\", (void *) \&\2},/p'" +lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n -e 's/^: \([[^ ]]*\)[[ ]]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \(lib[[^ ]]*\)$/ {\"\2\", (void *) \&\2},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/ {\"lib\2\", (void *) \&\2},/p'" + +# Handle CRLF in mingw tool chain +opt_cr= +case $build_os in +mingw*) + opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp + ;; +esac + +# Try without a prefix underscore, then with it. +for ac_symprfx in "" "_"; do + + # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. + symxfrm="\\1 $ac_symprfx\\2 \\2" + + # Write the raw and C identifiers. + if test "$lt_cv_nm_interface" = "MS dumpbin"; then + # Fake it for dumpbin and say T for any non-static function + # and D for any global variable. + # Also find C++ and __fastcall symbols from MSVC++, + # which start with @ or ?. + lt_cv_sys_global_symbol_pipe="$AWK ['"\ +" {last_section=section; section=\$ 3};"\ +" /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ +" \$ 0!~/External *\|/{next};"\ +" / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ +" {if(hide[section]) next};"\ +" {f=0}; \$ 0~/\(\).*\|/{f=1}; {printf f ? \"T \" : \"D \"};"\ +" {split(\$ 0, a, /\||\r/); split(a[2], s)};"\ +" s[1]~/^[@?]/{print s[1], s[1]; next};"\ +" s[1]~prfx {split(s[1],t,\"@\"); print t[1], substr(t[1],length(prfx))}"\ +" ' prfx=^$ac_symprfx]" + else + lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[[ ]]\($symcode$symcode*\)[[ ]][[ ]]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" + fi + lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | sed '/ __gnu_lto/d'" + + # Check to see that the pipe works correctly. + pipe_works=no + + rm -f conftest* + cat > conftest.$ac_ext <<_LT_EOF +#ifdef __cplusplus +extern "C" { +#endif +char nm_test_var; +void nm_test_func(void); +void nm_test_func(void){} +#ifdef __cplusplus +} +#endif +int main(){nm_test_var='a';nm_test_func();return(0);} +_LT_EOF + + if AC_TRY_EVAL(ac_compile); then + # Now try to grab the symbols. + nlist=conftest.nm + if AC_TRY_EVAL(NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) && test -s "$nlist"; then + # Try sorting and uniquifying the output. + if sort "$nlist" | uniq > "$nlist"T; then + mv -f "$nlist"T "$nlist" + else + rm -f "$nlist"T + fi + + # Make sure that we snagged all the symbols we need. + if $GREP ' nm_test_var$' "$nlist" >/dev/null; then + if $GREP ' nm_test_func$' "$nlist" >/dev/null; then + cat <<_LT_EOF > conftest.$ac_ext +/* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ +#if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE) +/* DATA imports from DLLs on WIN32 con't be const, because runtime + relocations are performed -- see ld's documentation on pseudo-relocs. */ +# define LT@&t@_DLSYM_CONST +#elif defined(__osf__) +/* This system does not cope well with relocations in const data. */ +# define LT@&t@_DLSYM_CONST +#else +# define LT@&t@_DLSYM_CONST const +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +_LT_EOF + # Now generate the symbol file. + eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' + + cat <<_LT_EOF >> conftest.$ac_ext + +/* The mapping between symbol names and symbols. */ +LT@&t@_DLSYM_CONST struct { + const char *name; + void *address; +} +lt__PROGRAM__LTX_preloaded_symbols[[]] = +{ + { "@PROGRAM@", (void *) 0 }, +_LT_EOF + $SED "s/^$symcode$symcode* \(.*\) \(.*\)$/ {\"\2\", (void *) \&\2},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext + cat <<\_LT_EOF >> conftest.$ac_ext + {0, (void *) 0} +}; + +/* This works around a problem in FreeBSD linker */ +#ifdef FREEBSD_WORKAROUND +static const void *lt_preloaded_setup() { + return lt__PROGRAM__LTX_preloaded_symbols; +} +#endif + +#ifdef __cplusplus +} +#endif +_LT_EOF + # Now try linking the two files. + mv conftest.$ac_objext conftstm.$ac_objext + lt_globsym_save_LIBS=$LIBS + lt_globsym_save_CFLAGS=$CFLAGS + LIBS="conftstm.$ac_objext" + CFLAGS="$CFLAGS$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)" + if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext}; then + pipe_works=yes + fi + LIBS=$lt_globsym_save_LIBS + CFLAGS=$lt_globsym_save_CFLAGS + else + echo "cannot find nm_test_func in $nlist" >&AS_MESSAGE_LOG_FD + fi + else + echo "cannot find nm_test_var in $nlist" >&AS_MESSAGE_LOG_FD + fi + else + echo "cannot run $lt_cv_sys_global_symbol_pipe" >&AS_MESSAGE_LOG_FD + fi + else + echo "$progname: failed program was:" >&AS_MESSAGE_LOG_FD + cat conftest.$ac_ext >&5 + fi + rm -rf conftest* conftst* + + # Do not use the global_symbol_pipe unless it works. + if test "$pipe_works" = yes; then + break + else + lt_cv_sys_global_symbol_pipe= + fi +done +]) +if test -z "$lt_cv_sys_global_symbol_pipe"; then + lt_cv_sys_global_symbol_to_cdecl= +fi +if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then + AC_MSG_RESULT(failed) +else + AC_MSG_RESULT(ok) +fi + +# Response file support. +if test "$lt_cv_nm_interface" = "MS dumpbin"; then + nm_file_list_spec='@' +elif $NM --help 2>/dev/null | grep '[[@]]FILE' >/dev/null; then + nm_file_list_spec='@' +fi + +_LT_DECL([global_symbol_pipe], [lt_cv_sys_global_symbol_pipe], [1], + [Take the output of nm and produce a listing of raw symbols and C names]) +_LT_DECL([global_symbol_to_cdecl], [lt_cv_sys_global_symbol_to_cdecl], [1], + [Transform the output of nm in a proper C declaration]) +_LT_DECL([global_symbol_to_c_name_address], + [lt_cv_sys_global_symbol_to_c_name_address], [1], + [Transform the output of nm in a C name address pair]) +_LT_DECL([global_symbol_to_c_name_address_lib_prefix], + [lt_cv_sys_global_symbol_to_c_name_address_lib_prefix], [1], + [Transform the output of nm in a C name address pair when lib prefix is needed]) +_LT_DECL([], [nm_file_list_spec], [1], + [Specify filename containing input files for $NM]) +]) # _LT_CMD_GLOBAL_SYMBOLS + + +# _LT_COMPILER_PIC([TAGNAME]) +# --------------------------- +m4_defun([_LT_COMPILER_PIC], +[m4_require([_LT_TAG_COMPILER])dnl +_LT_TAGVAR(lt_prog_compiler_wl, $1)= +_LT_TAGVAR(lt_prog_compiler_pic, $1)= +_LT_TAGVAR(lt_prog_compiler_static, $1)= + +m4_if([$1], [CXX], [ + # C++ specific cases for pic, static, wl, etc. + if test "$GXX" = yes; then + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + + case $host_os in + aix*) + # All AIX code is PIC. + if test "$host_cpu" = ia64; then + # AIX 5 now supports IA64 processor + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + m68k) + # FIXME: we need at least 68020 code to build shared libraries, but + # adding the `-m68020' flag to GCC prevents building anything better, + # like `-m68040'. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' + ;; + esac + ;; + + beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) + # PIC is the default for these OSes. + ;; + mingw* | cygwin* | os2* | pw32* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + # Although the cygwin gcc ignores -fPIC, still need this for old-style + # (--disable-auto-import) libraries + m4_if([$1], [GCJ], [], + [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) + ;; + darwin* | rhapsody*) + # PIC is the default on this platform + # Common symbols not allowed in MH_DYLIB files + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' + ;; + *djgpp*) + # DJGPP does not support shared libraries at all + _LT_TAGVAR(lt_prog_compiler_pic, $1)= + ;; + haiku*) + # PIC is the default for Haiku. + # The "-static" flag exists, but is broken. + _LT_TAGVAR(lt_prog_compiler_static, $1)= + ;; + interix[[3-9]]*) + # Interix 3.x gcc -fpic/-fPIC options generate broken code. + # Instead, we relocate shared libraries at runtime. + ;; + sysv4*MP*) + if test -d /usr/nec; then + _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic + fi + ;; + hpux*) + # PIC is the default for 64-bit PA HP-UX, but not for 32-bit + # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag + # sets the default TLS model and affects inlining. + case $host_cpu in + hppa*64*) + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + esac + ;; + *qnx* | *nto*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + esac + else + case $host_os in + aix[[4-9]]*) + # All AIX code is PIC. + if test "$host_cpu" = ia64; then + # AIX 5 now supports IA64 processor + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + else + _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' + fi + ;; + chorus*) + case $cc_basename in + cxch68*) + # Green Hills C++ Compiler + # _LT_TAGVAR(lt_prog_compiler_static, $1)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a" + ;; + esac + ;; + mingw* | cygwin* | os2* | pw32* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + m4_if([$1], [GCJ], [], + [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) + ;; + dgux*) + case $cc_basename in + ec++*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + ;; + ghcx*) + # Green Hills C++ Compiler + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' + ;; + *) + ;; + esac + ;; + freebsd* | dragonfly*) + # FreeBSD uses GNU C++ + ;; + hpux9* | hpux10* | hpux11*) + case $cc_basename in + CC*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive' + if test "$host_cpu" != ia64; then + _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' + fi + ;; + aCC*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive' + case $host_cpu in + hppa*64*|ia64*) + # +Z the default + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' + ;; + esac + ;; + *) + ;; + esac + ;; + interix*) + # This is c89, which is MS Visual C++ (no shared libs) + # Anyone wants to do a port? + ;; + irix5* | irix6* | nonstopux*) + case $cc_basename in + CC*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + # CC pic flag -KPIC is the default. + ;; + *) + ;; + esac + ;; + linux* | k*bsd*-gnu | kopensolaris*-gnu) + case $cc_basename in + KCC*) + # KAI C++ Compiler + _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + ecpc* ) + # old Intel C++ for x86_64 which still supported -KPIC. + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + ;; + icpc* ) + # Intel C++, used to be incompatible with GCC. + # ICC 10 doesn't accept -KPIC any more. + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + ;; + pgCC* | pgcpp*) + # Portland Group C++ compiler + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + cxx*) + # Compaq C++ + # Make sure the PIC flag is empty. It appears that all Alpha + # Linux and Compaq Tru64 Unix objects are PIC. + _LT_TAGVAR(lt_prog_compiler_pic, $1)= + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + xlc* | xlC* | bgxl[[cC]]* | mpixl[[cC]]*) + # IBM XL 8.0, 9.0 on PPC and BlueGene + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' + ;; + *) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) + # Sun C++ 5.9 + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' + ;; + esac + ;; + esac + ;; + lynxos*) + ;; + m88k*) + ;; + mvs*) + case $cc_basename in + cxx*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-W c,exportall' + ;; + *) + ;; + esac + ;; + netbsd*) + ;; + *qnx* | *nto*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' + ;; + osf3* | osf4* | osf5*) + case $cc_basename in + KCC*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' + ;; + RCC*) + # Rational C++ 2.4.1 + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' + ;; + cxx*) + # Digital/Compaq C++ + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + # Make sure the PIC flag is empty. It appears that all Alpha + # Linux and Compaq Tru64 Unix objects are PIC. + _LT_TAGVAR(lt_prog_compiler_pic, $1)= + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + *) + ;; + esac + ;; + psos*) + ;; + solaris*) + case $cc_basename in + CC* | sunCC*) + # Sun C++ 4.2, 5.x and Centerline C++ + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' + ;; + gcx*) + # Green Hills C++ Compiler + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' + ;; + *) + ;; + esac + ;; + sunos4*) + case $cc_basename in + CC*) + # Sun C++ 4.x + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + lcc*) + # Lucid + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' + ;; + *) + ;; + esac + ;; + sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) + case $cc_basename in + CC*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + esac + ;; + tandem*) + case $cc_basename in + NCC*) + # NonStop-UX NCC 3.20 + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + ;; + *) + ;; + esac + ;; + vxworks*) + ;; + *) + _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no + ;; + esac + fi +], +[ + if test "$GCC" = yes; then + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + + case $host_os in + aix*) + # All AIX code is PIC. + if test "$host_cpu" = ia64; then + # AIX 5 now supports IA64 processor + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + m68k) + # FIXME: we need at least 68020 code to build shared libraries, but + # adding the `-m68020' flag to GCC prevents building anything better, + # like `-m68040'. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' + ;; + esac + ;; + + beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) + # PIC is the default for these OSes. + ;; + + mingw* | cygwin* | pw32* | os2* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + # Although the cygwin gcc ignores -fPIC, still need this for old-style + # (--disable-auto-import) libraries + m4_if([$1], [GCJ], [], + [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) + ;; + + darwin* | rhapsody*) + # PIC is the default on this platform + # Common symbols not allowed in MH_DYLIB files + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' + ;; + + haiku*) + # PIC is the default for Haiku. + # The "-static" flag exists, but is broken. + _LT_TAGVAR(lt_prog_compiler_static, $1)= + ;; + + hpux*) + # PIC is the default for 64-bit PA HP-UX, but not for 32-bit + # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag + # sets the default TLS model and affects inlining. + case $host_cpu in + hppa*64*) + # +Z the default + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + esac + ;; + + interix[[3-9]]*) + # Interix 3.x gcc -fpic/-fPIC options generate broken code. + # Instead, we relocate shared libraries at runtime. + ;; + + msdosdjgpp*) + # Just because we use GCC doesn't mean we suddenly get shared libraries + # on systems that don't support them. + _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no + enable_shared=no + ;; + + *nto* | *qnx*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' + ;; + + sysv4*MP*) + if test -d /usr/nec; then + _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic + fi + ;; + + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + esac + + case $cc_basename in + nvcc*) # Cuda Compiler Driver 2.2 + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Xlinker ' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-Xcompiler -fPIC' + ;; + esac + else + # PORTME Check for flag to pass linker flags through the system compiler. + case $host_os in + aix*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + if test "$host_cpu" = ia64; then + # AIX 5 now supports IA64 processor + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + else + _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' + fi + ;; + + mingw* | cygwin* | pw32* | os2* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + m4_if([$1], [GCJ], [], + [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) + ;; + + hpux9* | hpux10* | hpux11*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but + # not for PA HP-UX. + case $host_cpu in + hppa*64*|ia64*) + # +Z the default + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' + ;; + esac + # Is there a better lt_prog_compiler_static that works with the bundled CC? + _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive' + ;; + + irix5* | irix6* | nonstopux*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + # PIC (with -KPIC) is the default. + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + + linux* | k*bsd*-gnu | kopensolaris*-gnu) + case $cc_basename in + # old Intel for x86_64 which still supported -KPIC. + ecc*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + ;; + # icc used to be incompatible with GCC. + # ICC 10 doesn't accept -KPIC any more. + icc* | ifort*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + ;; + # Lahey Fortran 8.1. + lf95*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='--shared' + _LT_TAGVAR(lt_prog_compiler_static, $1)='--static' + ;; + nagfor*) + # NAG Fortran compiler + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*) + # Portland Group compilers (*not* the Pentium gcc compiler, + # which looks to be a dead project) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + ccc*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + # All Alpha code is PIC. + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + xl* | bgxl* | bgf* | mpixl*) + # IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' + ;; + *) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ F* | *Sun*Fortran*) + # Sun Fortran 8.3 passes all unrecognized flags to the linker + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + _LT_TAGVAR(lt_prog_compiler_wl, $1)='' + ;; + *Sun\ C*) + # Sun C 5.9 + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + ;; + esac + ;; + esac + ;; + + newsos6) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + + *nto* | *qnx*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' + ;; + + osf3* | osf4* | osf5*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + # All OSF/1 code is PIC. + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + + rdos*) + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + + solaris*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + case $cc_basename in + f77* | f90* | f95* | sunf77* | sunf90* | sunf95*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ';; + *) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,';; + esac + ;; + + sunos4*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + + sysv4 | sysv4.2uw2* | sysv4.3*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + + sysv4*MP*) + if test -d /usr/nec ;then + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-Kconform_pic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + fi + ;; + + sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + + unicos*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no + ;; + + uts4*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + + *) + _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no + ;; + esac + fi +]) +case $host_os in + # For platforms which do not support PIC, -DPIC is meaningless: + *djgpp*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)= + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)="$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])" + ;; +esac + +AC_CACHE_CHECK([for $compiler option to produce PIC], + [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)], + [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_prog_compiler_pic, $1)]) +_LT_TAGVAR(lt_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_cv_prog_compiler_pic, $1) + +# +# Check to make sure the PIC flag actually works. +# +if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then + _LT_COMPILER_OPTION([if $compiler PIC flag $_LT_TAGVAR(lt_prog_compiler_pic, $1) works], + [_LT_TAGVAR(lt_cv_prog_compiler_pic_works, $1)], + [$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])], [], + [case $_LT_TAGVAR(lt_prog_compiler_pic, $1) in + "" | " "*) ;; + *) _LT_TAGVAR(lt_prog_compiler_pic, $1)=" $_LT_TAGVAR(lt_prog_compiler_pic, $1)" ;; + esac], + [_LT_TAGVAR(lt_prog_compiler_pic, $1)= + _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no]) +fi +_LT_TAGDECL([pic_flag], [lt_prog_compiler_pic], [1], + [Additional compiler flags for building library objects]) + +_LT_TAGDECL([wl], [lt_prog_compiler_wl], [1], + [How to pass a linker flag through the compiler]) +# +# Check to make sure the static flag actually works. +# +wl=$_LT_TAGVAR(lt_prog_compiler_wl, $1) eval lt_tmp_static_flag=\"$_LT_TAGVAR(lt_prog_compiler_static, $1)\" +_LT_LINKER_OPTION([if $compiler static flag $lt_tmp_static_flag works], + _LT_TAGVAR(lt_cv_prog_compiler_static_works, $1), + $lt_tmp_static_flag, + [], + [_LT_TAGVAR(lt_prog_compiler_static, $1)=]) +_LT_TAGDECL([link_static_flag], [lt_prog_compiler_static], [1], + [Compiler flag to prevent dynamic linking]) +])# _LT_COMPILER_PIC + + +# _LT_LINKER_SHLIBS([TAGNAME]) +# ---------------------------- +# See if the linker supports building shared libraries. +m4_defun([_LT_LINKER_SHLIBS], +[AC_REQUIRE([LT_PATH_LD])dnl +AC_REQUIRE([LT_PATH_NM])dnl +m4_require([_LT_PATH_MANIFEST_TOOL])dnl +m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_DECL_EGREP])dnl +m4_require([_LT_DECL_SED])dnl +m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl +m4_require([_LT_TAG_COMPILER])dnl +AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries]) +m4_if([$1], [CXX], [ + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' + _LT_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*'] + case $host_os in + aix[[4-9]]*) + # If we're using GNU nm, then we don't want the "-C" option. + # -C means demangle to AIX nm, but means don't demangle with GNU nm + # Also, AIX nm treats weak defined symbols like other global defined + # symbols, whereas GNU nm marks them as "W". + if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then + _LT_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols' + else + _LT_TAGVAR(export_symbols_cmds, $1)='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols' + fi + ;; + pw32*) + _LT_TAGVAR(export_symbols_cmds, $1)="$ltdll_cmds" + ;; + cygwin* | mingw* | cegcc*) + case $cc_basename in + cl*) ;; + *) + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/;s/^.*[[ ]]__nm__\([[^ ]]*\)[[ ]][[^ ]]*/\1 DATA/;/^I[[ ]]/d;/^[[AITW]][[ ]]/s/.* //'\'' | sort | uniq > $export_symbols' + _LT_TAGVAR(exclude_expsyms, $1)=['[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname'] + ;; + esac + ;; + *) + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' + ;; + esac +], [ + runpath_var= + _LT_TAGVAR(allow_undefined_flag, $1)= + _LT_TAGVAR(always_export_symbols, $1)=no + _LT_TAGVAR(archive_cmds, $1)= + _LT_TAGVAR(archive_expsym_cmds, $1)= + _LT_TAGVAR(compiler_needs_object, $1)=no + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no + _LT_TAGVAR(export_dynamic_flag_spec, $1)= + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' + _LT_TAGVAR(hardcode_automatic, $1)=no + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_direct_absolute, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)= + _LT_TAGVAR(hardcode_libdir_flag_spec_ld, $1)= + _LT_TAGVAR(hardcode_libdir_separator, $1)= + _LT_TAGVAR(hardcode_minus_L, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported + _LT_TAGVAR(inherit_rpath, $1)=no + _LT_TAGVAR(link_all_deplibs, $1)=unknown + _LT_TAGVAR(module_cmds, $1)= + _LT_TAGVAR(module_expsym_cmds, $1)= + _LT_TAGVAR(old_archive_from_new_cmds, $1)= + _LT_TAGVAR(old_archive_from_expsyms_cmds, $1)= + _LT_TAGVAR(thread_safe_flag_spec, $1)= + _LT_TAGVAR(whole_archive_flag_spec, $1)= + # include_expsyms should be a list of space-separated symbols to be *always* + # included in the symbol list + _LT_TAGVAR(include_expsyms, $1)= + # exclude_expsyms can be an extended regexp of symbols to exclude + # it will be wrapped by ` (' and `)$', so one must not match beginning or + # end of line. Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc', + # as well as any symbol that contains `d'. + _LT_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*'] + # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out + # platforms (ab)use it in PIC code, but their linkers get confused if + # the symbol is explicitly referenced. Since portable code cannot + # rely on this symbol name, it's probably fine to never include it in + # preloaded symbol tables. + # Exclude shared library initialization/finalization symbols. +dnl Note also adjust exclude_expsyms for C++ above. + extract_expsyms_cmds= + + case $host_os in + cygwin* | mingw* | pw32* | cegcc*) + # FIXME: the MSVC++ port hasn't been tested in a loooong time + # When not using gcc, we currently assume that we are using + # Microsoft Visual C++. + if test "$GCC" != yes; then + with_gnu_ld=no + fi + ;; + interix*) + # we just hope/assume this is gcc and not c89 (= MSVC++) + with_gnu_ld=yes + ;; + openbsd*) + with_gnu_ld=no + ;; + esac + + _LT_TAGVAR(ld_shlibs, $1)=yes + + # On some targets, GNU ld is compatible enough with the native linker + # that we're better off using the native interface for both. + lt_use_gnu_ld_interface=no + if test "$with_gnu_ld" = yes; then + case $host_os in + aix*) + # The AIX port of GNU ld has always aspired to compatibility + # with the native linker. However, as the warning in the GNU ld + # block says, versions before 2.19.5* couldn't really create working + # shared libraries, regardless of the interface used. + case `$LD -v 2>&1` in + *\ \(GNU\ Binutils\)\ 2.19.5*) ;; + *\ \(GNU\ Binutils\)\ 2.[[2-9]]*) ;; + *\ \(GNU\ Binutils\)\ [[3-9]]*) ;; + *) + lt_use_gnu_ld_interface=yes + ;; + esac + ;; + *) + lt_use_gnu_ld_interface=yes + ;; + esac + fi + + if test "$lt_use_gnu_ld_interface" = yes; then + # If archive_cmds runs LD, not CC, wlarc should be empty + wlarc='${wl}' + + # Set some defaults for GNU ld with shared library support. These + # are reset later if shared libraries are not supported. Putting them + # here allows them to be overridden if necessary. + runpath_var=LD_RUN_PATH + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' + # ancient GNU ld didn't support --whole-archive et. al. + if $LD --help 2>&1 | $GREP 'no-whole-archive' > /dev/null; then + _LT_TAGVAR(whole_archive_flag_spec, $1)="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive' + else + _LT_TAGVAR(whole_archive_flag_spec, $1)= + fi + supports_anon_versioning=no + case `$LD -v 2>&1` in + *GNU\ gold*) supports_anon_versioning=yes ;; + *\ [[01]].* | *\ 2.[[0-9]].* | *\ 2.10.*) ;; # catch versions < 2.11 + *\ 2.11.93.0.2\ *) supports_anon_versioning=yes ;; # RH7.3 ... + *\ 2.11.92.0.12\ *) supports_anon_versioning=yes ;; # Mandrake 8.2 ... + *\ 2.11.*) ;; # other 2.11 versions + *) supports_anon_versioning=yes ;; + esac + + # See if GNU ld supports shared libraries. + case $host_os in + aix[[3-9]]*) + # On AIX/PPC, the GNU linker is very broken + if test "$host_cpu" != ia64; then + _LT_TAGVAR(ld_shlibs, $1)=no + cat <<_LT_EOF 1>&2 + +*** Warning: the GNU linker, at least up to release 2.19, is reported +*** to be unable to reliably create shared libraries on AIX. +*** Therefore, libtool is disabling shared libraries support. If you +*** really care for shared libraries, you may want to install binutils +*** 2.20 or above, or modify your PATH so that a non-GNU linker is found. +*** You will then need to restart the configuration process. + +_LT_EOF + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='' + ;; + m68k) + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_minus_L, $1)=yes + ;; + esac + ;; + + beos*) + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + # Joseph Beckenbach says some releases of gcc + # support --undefined. This deserves some investigation. FIXME + _LT_TAGVAR(archive_cmds, $1)='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + cygwin* | mingw* | pw32* | cegcc*) + # _LT_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless, + # as there is no search path for DLLs. + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-all-symbols' + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + _LT_TAGVAR(always_export_symbols, $1)=no + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/;s/^.*[[ ]]__nm__\([[^ ]]*\)[[ ]][[^ ]]*/\1 DATA/;/^I[[ ]]/d;/^[[AITW]][[ ]]/s/.* //'\'' | sort | uniq > $export_symbols' + _LT_TAGVAR(exclude_expsyms, $1)=['[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname'] + + if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + # If the export-symbols file already is a .def file (1st line + # is EXPORTS), use it as is; otherwise, prepend... + _LT_TAGVAR(archive_expsym_cmds, $1)='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then + cp $export_symbols $output_objdir/$soname.def; + else + echo EXPORTS > $output_objdir/$soname.def; + cat $export_symbols >> $output_objdir/$soname.def; + fi~ + $CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + haiku*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(link_all_deplibs, $1)=yes + ;; + + interix[[3-9]]*) + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' + # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc. + # Instead, shared libraries are loaded at an image base (0x10000000 by + # default) and relocated if they conflict, which is a slow very memory + # consuming and fragmenting process. To avoid this, we pick a random, + # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link + # time. Moving up from 0x10000000 also allows more sbrk(2) space. + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + ;; + + gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu) + tmp_diet=no + if test "$host_os" = linux-dietlibc; then + case $cc_basename in + diet\ *) tmp_diet=yes;; # linux-dietlibc with static linking (!diet-dyn) + esac + fi + if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \ + && test "$tmp_diet" = no + then + tmp_addflag=' $pic_flag' + tmp_sharedflag='-shared' + case $cc_basename,$host_cpu in + pgcc*) # Portland Group C compiler + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' + tmp_addflag=' $pic_flag' + ;; + pgf77* | pgf90* | pgf95* | pgfortran*) + # Portland Group f77 and f90 compilers + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' + tmp_addflag=' $pic_flag -Mnomain' ;; + ecc*,ia64* | icc*,ia64*) # Intel C compiler on ia64 + tmp_addflag=' -i_dynamic' ;; + efc*,ia64* | ifort*,ia64*) # Intel Fortran compiler on ia64 + tmp_addflag=' -i_dynamic -nofor_main' ;; + ifc* | ifort*) # Intel Fortran compiler + tmp_addflag=' -nofor_main' ;; + lf95*) # Lahey Fortran 8.1 + _LT_TAGVAR(whole_archive_flag_spec, $1)= + tmp_sharedflag='--shared' ;; + xl[[cC]]* | bgxl[[cC]]* | mpixl[[cC]]*) # IBM XL C 8.0 on PPC (deal with xlf below) + tmp_sharedflag='-qmkshrobj' + tmp_addflag= ;; + nvcc*) # Cuda Compiler Driver 2.2 + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' + _LT_TAGVAR(compiler_needs_object, $1)=yes + ;; + esac + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) # Sun C 5.9 + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' + _LT_TAGVAR(compiler_needs_object, $1)=yes + tmp_sharedflag='-G' ;; + *Sun\ F*) # Sun Fortran 8.3 + tmp_sharedflag='-G' ;; + esac + _LT_TAGVAR(archive_cmds, $1)='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + + if test "x$supports_anon_versioning" = xyes; then + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~ + cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ + echo "local: *; };" >> $output_objdir/$libname.ver~ + $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib' + fi + + case $cc_basename in + xlf* | bgf* | bgxlf* | mpixlf*) + # IBM XL Fortran 10.1 on PPC cannot create shared libs itself + _LT_TAGVAR(whole_archive_flag_spec, $1)='--whole-archive$convenience --no-whole-archive' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)= + _LT_TAGVAR(hardcode_libdir_flag_spec_ld, $1)='-rpath $libdir' + _LT_TAGVAR(archive_cmds, $1)='$LD -shared $libobjs $deplibs $linker_flags -soname $soname -o $lib' + if test "x$supports_anon_versioning" = xyes; then + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~ + cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ + echo "local: *; };" >> $output_objdir/$libname.ver~ + $LD -shared $libobjs $deplibs $linker_flags -soname $soname -version-script $output_objdir/$libname.ver -o $lib' + fi + ;; + esac + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + netbsd*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib' + wlarc= + else + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + fi + ;; + + solaris*) + if $LD -v 2>&1 | $GREP 'BFD 2\.8' > /dev/null; then + _LT_TAGVAR(ld_shlibs, $1)=no + cat <<_LT_EOF 1>&2 + +*** Warning: The releases 2.8.* of the GNU linker cannot reliably +*** create shared libraries on Solaris systems. Therefore, libtool +*** is disabling shared libraries support. We urge you to upgrade GNU +*** binutils to release 2.9.1 or newer. Another option is to modify +*** your PATH or compiler configuration so that the native linker is +*** used, and then restart. + +_LT_EOF + elif $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*) + case `$LD -v 2>&1` in + *\ [[01]].* | *\ 2.[[0-9]].* | *\ 2.1[[0-5]].*) + _LT_TAGVAR(ld_shlibs, $1)=no + cat <<_LT_EOF 1>&2 + +*** Warning: Releases of the GNU linker prior to 2.16.91.0.3 can not +*** reliably create shared libraries on SCO systems. Therefore, libtool +*** is disabling shared libraries support. We urge you to upgrade GNU +*** binutils to release 2.16.91.0.3 or newer. Another option is to modify +*** your PATH or compiler configuration so that the native linker is +*** used, and then restart. + +_LT_EOF + ;; + *) + # For security reasons, it is highly recommended that you always + # use absolute paths for naming shared libraries, and exclude the + # DT_RUNPATH tag from executables and libraries. But doing so + # requires that you compile everything twice, which is a pain. + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + ;; + + sunos4*) + _LT_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags' + wlarc= + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + *) + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + + if test "$_LT_TAGVAR(ld_shlibs, $1)" = no; then + runpath_var= + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)= + _LT_TAGVAR(export_dynamic_flag_spec, $1)= + _LT_TAGVAR(whole_archive_flag_spec, $1)= + fi + else + # PORTME fill in a description of your system's linker (not GNU ld) + case $host_os in + aix3*) + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + _LT_TAGVAR(always_export_symbols, $1)=yes + _LT_TAGVAR(archive_expsym_cmds, $1)='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname' + # Note: this linker hardcodes the directories in LIBPATH if there + # are no directories specified by -L. + _LT_TAGVAR(hardcode_minus_L, $1)=yes + if test "$GCC" = yes && test -z "$lt_prog_compiler_static"; then + # Neither direct hardcoding nor static linking is supported with a + # broken collect2. + _LT_TAGVAR(hardcode_direct, $1)=unsupported + fi + ;; + + aix[[4-9]]*) + if test "$host_cpu" = ia64; then + # On IA64, the linker does run time linking by default, so we don't + # have to do anything special. + aix_use_runtimelinking=no + exp_sym_flag='-Bexport' + no_entry_flag="" + else + # If we're using GNU nm, then we don't want the "-C" option. + # -C means demangle to AIX nm, but means don't demangle with GNU nm + # Also, AIX nm treats weak defined symbols like other global + # defined symbols, whereas GNU nm marks them as "W". + if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then + _LT_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols' + else + _LT_TAGVAR(export_symbols_cmds, $1)='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols' + fi + aix_use_runtimelinking=no + + # Test if we are trying to use run time linking or normal + # AIX style linking. If -brtl is somewhere in LDFLAGS, we + # need to do runtime linking. + case $host_os in aix4.[[23]]|aix4.[[23]].*|aix[[5-9]]*) + for ld_flag in $LDFLAGS; do + if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then + aix_use_runtimelinking=yes + break + fi + done + ;; + esac + + exp_sym_flag='-bexport' + no_entry_flag='-bnoentry' + fi + + # When large executables or shared objects are built, AIX ld can + # have problems creating the table of contents. If linking a library + # or program results in "error TOC overflow" add -mminimal-toc to + # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not + # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. + + _LT_TAGVAR(archive_cmds, $1)='' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(hardcode_libdir_separator, $1)=':' + _LT_TAGVAR(link_all_deplibs, $1)=yes + _LT_TAGVAR(file_list_spec, $1)='${wl}-f,' + + if test "$GCC" = yes; then + case $host_os in aix4.[[012]]|aix4.[[012]].*) + # We only want to do this on AIX 4.2 and lower, the check + # below for broken collect2 doesn't work under 4.3+ + collect2name=`${CC} -print-prog-name=collect2` + if test -f "$collect2name" && + strings "$collect2name" | $GREP resolve_lib_name >/dev/null + then + # We have reworked collect2 + : + else + # We have old collect2 + _LT_TAGVAR(hardcode_direct, $1)=unsupported + # It fails to find uninstalled libraries when the uninstalled + # path is not listed in the libpath. Setting hardcode_minus_L + # to unsupported forces relinking + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)= + fi + ;; + esac + shared_flag='-shared' + if test "$aix_use_runtimelinking" = yes; then + shared_flag="$shared_flag "'${wl}-G' + fi + else + # not using gcc + if test "$host_cpu" = ia64; then + # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release + # chokes on -Wl,-G. The following line is correct: + shared_flag='-G' + else + if test "$aix_use_runtimelinking" = yes; then + shared_flag='${wl}-G' + else + shared_flag='${wl}-bM:SRE' + fi + fi + fi + + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-bexpall' + # It seems that -bexpall does not export symbols beginning with + # underscore (_), so it is better to generate a list of symbols to export. + _LT_TAGVAR(always_export_symbols, $1)=yes + if test "$aix_use_runtimelinking" = yes; then + # Warning - without using the other runtime loading flags (-brtl), + # -berok will link without error, but may produce a broken library. + _LT_TAGVAR(allow_undefined_flag, $1)='-berok' + # Determine the default libpath from the value encoded in an + # empty executable. + _LT_SYS_MODULE_PATH_AIX([$1]) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath" + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then func_echo_all "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag" + else + if test "$host_cpu" = ia64; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R $libdir:/usr/lib:/lib' + _LT_TAGVAR(allow_undefined_flag, $1)="-z nodefs" + _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols" + else + # Determine the default libpath from the value encoded in an + # empty executable. + _LT_SYS_MODULE_PATH_AIX([$1]) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath" + # Warning - without using the other run time loading flags, + # -berok will link without error, but may produce a broken library. + _LT_TAGVAR(no_undefined_flag, $1)=' ${wl}-bernotok' + _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-berok' + if test "$with_gnu_ld" = yes; then + # We only use this code for GNU lds that support --whole-archive. + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive$convenience ${wl}--no-whole-archive' + else + # Exported symbols can be pulled into shared objects from archives + _LT_TAGVAR(whole_archive_flag_spec, $1)='$convenience' + fi + _LT_TAGVAR(archive_cmds_need_lc, $1)=yes + # This is similar to how AIX traditionally builds its shared libraries. + _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname' + fi + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='' + ;; + m68k) + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_minus_L, $1)=yes + ;; + esac + ;; + + bsdi[[45]]*) + _LT_TAGVAR(export_dynamic_flag_spec, $1)=-rdynamic + ;; + + cygwin* | mingw* | pw32* | cegcc*) + # When not using gcc, we currently assume that we are using + # Microsoft Visual C++. + # hardcode_libdir_flag_spec is actually meaningless, as there is + # no search path for DLLs. + case $cc_basename in + cl*) + # Native MSVC + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' ' + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + _LT_TAGVAR(always_export_symbols, $1)=yes + _LT_TAGVAR(file_list_spec, $1)='@' + # Tell ltmain to make .lib files, not .a files. + libext=lib + # Tell ltmain to make .dll files, not .so files. + shrext_cmds=".dll" + # FIXME: Setting linknames here is a bad hack. + _LT_TAGVAR(archive_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-dll~linknames=' + _LT_TAGVAR(archive_expsym_cmds, $1)='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then + sed -n -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' -e '1\\\!p' < $export_symbols > $output_objdir/$soname.exp; + else + sed -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' < $export_symbols > $output_objdir/$soname.exp; + fi~ + $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~ + linknames=' + # The linker will not automatically build a static lib if we build a DLL. + # _LT_TAGVAR(old_archive_from_new_cmds, $1)='true' + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1,DATA/'\'' | $SED -e '\''/^[[AITW]][[ ]]/s/.*[[ ]]//'\'' | sort | uniq > $export_symbols' + # Don't use ranlib + _LT_TAGVAR(old_postinstall_cmds, $1)='chmod 644 $oldlib' + _LT_TAGVAR(postlink_cmds, $1)='lt_outputfile="@OUTPUT@"~ + lt_tool_outputfile="@TOOL_OUTPUT@"~ + case $lt_outputfile in + *.exe|*.EXE) ;; + *) + lt_outputfile="$lt_outputfile.exe" + lt_tool_outputfile="$lt_tool_outputfile.exe" + ;; + esac~ + if test "$MANIFEST_TOOL" != ":" && test -f "$lt_outputfile.manifest"; then + $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1; + $RM "$lt_outputfile.manifest"; + fi' + ;; + *) + # Assume MSVC wrapper + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' ' + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + # Tell ltmain to make .lib files, not .a files. + libext=lib + # Tell ltmain to make .dll files, not .so files. + shrext_cmds=".dll" + # FIXME: Setting linknames here is a bad hack. + _LT_TAGVAR(archive_cmds, $1)='$CC -o $lib $libobjs $compiler_flags `func_echo_all "$deplibs" | $SED '\''s/ -lc$//'\''` -link -dll~linknames=' + # The linker will automatically build a .lib file if we build a DLL. + _LT_TAGVAR(old_archive_from_new_cmds, $1)='true' + # FIXME: Should let the user specify the lib program. + _LT_TAGVAR(old_archive_cmds, $1)='lib -OUT:$oldlib$oldobjs$old_deplibs' + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + ;; + esac + ;; + + darwin* | rhapsody*) + _LT_DARWIN_LINKER_FEATURES($1) + ;; + + dgux*) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + freebsd1*) + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor + # support. Future versions do this automatically, but an explicit c++rt0.o + # does not break anything, and helps significantly (at the cost of a little + # extra space). + freebsd2.2*) + _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + # Unfortunately, older versions of FreeBSD 2 do not have this feature. + freebsd2*) + _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + # FreeBSD 3 and greater uses gcc -shared to do shared libraries. + freebsd* | dragonfly*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + hpux9*) + if test "$GCC" = yes; then + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -shared $pic_flag ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' + else + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' + fi + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(hardcode_direct, $1)=yes + + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' + ;; + + hpux10*) + if test "$GCC" = yes && test "$with_gnu_ld" = no; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' + else + _LT_TAGVAR(archive_cmds, $1)='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' + fi + if test "$with_gnu_ld" = no; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_flag_spec_ld, $1)='+b $libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + _LT_TAGVAR(hardcode_minus_L, $1)=yes + fi + ;; + + hpux11*) + if test "$GCC" = yes && test "$with_gnu_ld" = no; then + case $host_cpu in + hppa*64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + ia64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + else + case $host_cpu in + hppa*64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + ia64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' + ;; + *) + m4_if($1, [], [ + # Older versions of the 11.00 compiler do not understand -b yet + # (HP92453-01 A.11.01.20 doesn't, HP92453-01 B.11.X.35175-35176.GP does) + _LT_LINKER_OPTION([if $CC understands -b], + _LT_TAGVAR(lt_cv_prog_compiler__b, $1), [-b], + [_LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'], + [_LT_TAGVAR(archive_cmds, $1)='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'])], + [_LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags']) + ;; + esac + fi + if test "$with_gnu_ld" = no; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + case $host_cpu in + hppa*64*|ia64*) + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + *) + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' + + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + _LT_TAGVAR(hardcode_minus_L, $1)=yes + ;; + esac + fi + ;; + + irix5* | irix6* | nonstopux*) + if test "$GCC" = yes; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' + # Try to use the -exported_symbol ld option, if it does not + # work, assume that -exports_file does not work either and + # implicitly export all symbols. + # This should be the same for all languages, so no per-tag cache variable. + AC_CACHE_CHECK([whether the $host_os linker accepts -exported_symbol], + [lt_cv_irix_exported_symbol], + [save_LDFLAGS="$LDFLAGS" + LDFLAGS="$LDFLAGS -shared ${wl}-exported_symbol ${wl}foo ${wl}-update_registry ${wl}/dev/null" + AC_LINK_IFELSE( + [AC_LANG_SOURCE( + [AC_LANG_CASE([C], [[int foo (void) { return 0; }]], + [C++], [[int foo (void) { return 0; }]], + [Fortran 77], [[ + subroutine foo + end]], + [Fortran], [[ + subroutine foo + end]])])], + [lt_cv_irix_exported_symbol=yes], + [lt_cv_irix_exported_symbol=no]) + LDFLAGS="$save_LDFLAGS"]) + if test "$lt_cv_irix_exported_symbol" = yes; then + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations ${wl}-exports_file ${wl}$export_symbols -o $lib' + fi + else + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -exports_file $export_symbols -o $lib' + fi + _LT_TAGVAR(archive_cmds_need_lc, $1)='no' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(inherit_rpath, $1)=yes + _LT_TAGVAR(link_all_deplibs, $1)=yes + ;; + + netbsd*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out + else + _LT_TAGVAR(archive_cmds, $1)='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF + fi + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + newsos6) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + *nto* | *qnx*) + ;; + + openbsd*) + if test -f /usr/libexec/ld.so; then + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-retain-symbols-file,$export_symbols' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' + else + case $host_os in + openbsd[[01]].* | openbsd2.[[0-7]] | openbsd2.[[0-7]].*) + _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' + ;; + esac + fi + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + os2*) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + _LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~echo DATA >> $output_objdir/$libname.def~echo " SINGLE NONSHARED" >> $output_objdir/$libname.def~echo EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def' + _LT_TAGVAR(old_archive_from_new_cmds, $1)='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def' + ;; + + osf3*) + if test "$GCC" = yes; then + _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' + else + _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' + fi + _LT_TAGVAR(archive_cmds_need_lc, $1)='no' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + ;; + + osf4* | osf5*) # as osf3* with the addition of -msym flag + if test "$GCC" = yes; then + _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $pic_flag $libobjs $deplibs $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + else + _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~ + $CC -shared${allow_undefined_flag} ${wl}-input ${wl}$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib~$RM $lib.exp' + + # Both c and cxx compiler support -rpath directly + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' + fi + _LT_TAGVAR(archive_cmds_need_lc, $1)='no' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + ;; + + solaris*) + _LT_TAGVAR(no_undefined_flag, $1)=' -z defs' + if test "$GCC" = yes; then + wlarc='${wl}' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag ${wl}-z ${wl}text ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -shared $pic_flag ${wl}-z ${wl}text ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' + else + case `$CC -V 2>&1` in + *"Compilers 5.0"*) + wlarc='' + _LT_TAGVAR(archive_cmds, $1)='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp' + ;; + *) + wlarc='${wl}' + _LT_TAGVAR(archive_cmds, $1)='$CC -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' + ;; + esac + fi + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + case $host_os in + solaris2.[[0-5]] | solaris2.[[0-5]].*) ;; + *) + # The compiler driver will combine and reorder linker options, + # but understands `-z linker_flag'. GCC discards it without `$wl', + # but is careful enough not to reorder. + # Supported since Solaris 2.6 (maybe 2.5.1?) + if test "$GCC" = yes; then + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract' + else + _LT_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract' + fi + ;; + esac + _LT_TAGVAR(link_all_deplibs, $1)=yes + ;; + + sunos4*) + if test "x$host_vendor" = xsequent; then + # Use $CC to link under sequent, because it throws in some extra .o + # files that make .init and .fini sections work. + _LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h $soname -o $lib $libobjs $deplibs $compiler_flags' + else + _LT_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags' + fi + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + sysv4) + case $host_vendor in + sni) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_direct, $1)=yes # is this really true??? + ;; + siemens) + ## LD is ld it makes a PLAMLIB + ## CC just makes a GrossModule. + _LT_TAGVAR(archive_cmds, $1)='$LD -G -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(reload_cmds, $1)='$CC -r -o $output$reload_objs' + _LT_TAGVAR(hardcode_direct, $1)=no + ;; + motorola) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_direct, $1)=no #Motorola manual says yes, but my tests say they lie + ;; + esac + runpath_var='LD_RUN_PATH' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + sysv4.3*) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(export_dynamic_flag_spec, $1)='-Bexport' + ;; + + sysv4*MP*) + if test -d /usr/nec; then + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + runpath_var=LD_RUN_PATH + hardcode_runpath_var=yes + _LT_TAGVAR(ld_shlibs, $1)=yes + fi + ;; + + sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*) + _LT_TAGVAR(no_undefined_flag, $1)='${wl}-z,text' + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + runpath_var='LD_RUN_PATH' + + if test "$GCC" = yes; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + else + _LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + fi + ;; + + sysv5* | sco3.2v5* | sco5v6*) + # Note: We can NOT use -z defs as we might desire, because we do not + # link with -lc, and that would cause any symbols used from libc to + # always be unresolved, which means just about no library would + # ever link correctly. If we're not using GNU ld we use -z text + # though, which does catch some bad symbols but isn't as heavy-handed + # as -z defs. + _LT_TAGVAR(no_undefined_flag, $1)='${wl}-z,text' + _LT_TAGVAR(allow_undefined_flag, $1)='${wl}-z,nodefs' + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R,$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=':' + _LT_TAGVAR(link_all_deplibs, $1)=yes + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-Bexport' + runpath_var='LD_RUN_PATH' + + if test "$GCC" = yes; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + else + _LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + fi + ;; + + uts4*) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + *) + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + + if test x$host_vendor = xsni; then + case $host in + sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-Blargedynsym' + ;; + esac + fi + fi +]) +AC_MSG_RESULT([$_LT_TAGVAR(ld_shlibs, $1)]) +test "$_LT_TAGVAR(ld_shlibs, $1)" = no && can_build_shared=no + +_LT_TAGVAR(with_gnu_ld, $1)=$with_gnu_ld + +_LT_DECL([], [libext], [0], [Old archive suffix (normally "a")])dnl +_LT_DECL([], [shrext_cmds], [1], [Shared library suffix (normally ".so")])dnl +_LT_DECL([], [extract_expsyms_cmds], [2], + [The commands to extract the exported symbol list from a shared archive]) + +# +# Do we need to explicitly link libc? +# +case "x$_LT_TAGVAR(archive_cmds_need_lc, $1)" in +x|xyes) + # Assume -lc should be added + _LT_TAGVAR(archive_cmds_need_lc, $1)=yes + + if test "$enable_shared" = yes && test "$GCC" = yes; then + case $_LT_TAGVAR(archive_cmds, $1) in + *'~'*) + # FIXME: we may have to deal with multi-command sequences. + ;; + '$CC '*) + # Test whether the compiler implicitly links with -lc since on some + # systems, -lgcc has to come before -lc. If gcc already passes -lc + # to ld, don't add -lc before -lgcc. + AC_CACHE_CHECK([whether -lc should be explicitly linked in], + [lt_cv_]_LT_TAGVAR(archive_cmds_need_lc, $1), + [$RM conftest* + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + + if AC_TRY_EVAL(ac_compile) 2>conftest.err; then + soname=conftest + lib=conftest + libobjs=conftest.$ac_objext + deplibs= + wl=$_LT_TAGVAR(lt_prog_compiler_wl, $1) + pic_flag=$_LT_TAGVAR(lt_prog_compiler_pic, $1) + compiler_flags=-v + linker_flags=-v + verstring= + output_objdir=. + libname=conftest + lt_save_allow_undefined_flag=$_LT_TAGVAR(allow_undefined_flag, $1) + _LT_TAGVAR(allow_undefined_flag, $1)= + if AC_TRY_EVAL(_LT_TAGVAR(archive_cmds, $1) 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1) + then + lt_cv_[]_LT_TAGVAR(archive_cmds_need_lc, $1)=no + else + lt_cv_[]_LT_TAGVAR(archive_cmds_need_lc, $1)=yes + fi + _LT_TAGVAR(allow_undefined_flag, $1)=$lt_save_allow_undefined_flag + else + cat conftest.err 1>&5 + fi + $RM conftest* + ]) + _LT_TAGVAR(archive_cmds_need_lc, $1)=$lt_cv_[]_LT_TAGVAR(archive_cmds_need_lc, $1) + ;; + esac + fi + ;; +esac + +_LT_TAGDECL([build_libtool_need_lc], [archive_cmds_need_lc], [0], + [Whether or not to add -lc for building shared libraries]) +_LT_TAGDECL([allow_libtool_libs_with_static_runtimes], + [enable_shared_with_static_runtimes], [0], + [Whether or not to disallow shared libs when runtime libs are static]) +_LT_TAGDECL([], [export_dynamic_flag_spec], [1], + [Compiler flag to allow reflexive dlopens]) +_LT_TAGDECL([], [whole_archive_flag_spec], [1], + [Compiler flag to generate shared objects directly from archives]) +_LT_TAGDECL([], [compiler_needs_object], [1], + [Whether the compiler copes with passing no objects directly]) +_LT_TAGDECL([], [old_archive_from_new_cmds], [2], + [Create an old-style archive from a shared archive]) +_LT_TAGDECL([], [old_archive_from_expsyms_cmds], [2], + [Create a temporary old-style archive to link instead of a shared archive]) +_LT_TAGDECL([], [archive_cmds], [2], [Commands used to build a shared archive]) +_LT_TAGDECL([], [archive_expsym_cmds], [2]) +_LT_TAGDECL([], [module_cmds], [2], + [Commands used to build a loadable module if different from building + a shared archive.]) +_LT_TAGDECL([], [module_expsym_cmds], [2]) +_LT_TAGDECL([], [with_gnu_ld], [1], + [Whether we are building with GNU ld or not]) +_LT_TAGDECL([], [allow_undefined_flag], [1], + [Flag that allows shared libraries with undefined symbols to be built]) +_LT_TAGDECL([], [no_undefined_flag], [1], + [Flag that enforces no undefined symbols]) +_LT_TAGDECL([], [hardcode_libdir_flag_spec], [1], + [Flag to hardcode $libdir into a binary during linking. + This must work even if $libdir does not exist]) +_LT_TAGDECL([], [hardcode_libdir_flag_spec_ld], [1], + [[If ld is used when linking, flag to hardcode $libdir into a binary + during linking. This must work even if $libdir does not exist]]) +_LT_TAGDECL([], [hardcode_libdir_separator], [1], + [Whether we need a single "-rpath" flag with a separated argument]) +_LT_TAGDECL([], [hardcode_direct], [0], + [Set to "yes" if using DIR/libNAME${shared_ext} during linking hardcodes + DIR into the resulting binary]) +_LT_TAGDECL([], [hardcode_direct_absolute], [0], + [Set to "yes" if using DIR/libNAME${shared_ext} during linking hardcodes + DIR into the resulting binary and the resulting library dependency is + "absolute", i.e impossible to change by setting ${shlibpath_var} if the + library is relocated]) +_LT_TAGDECL([], [hardcode_minus_L], [0], + [Set to "yes" if using the -LDIR flag during linking hardcodes DIR + into the resulting binary]) +_LT_TAGDECL([], [hardcode_shlibpath_var], [0], + [Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR + into the resulting binary]) +_LT_TAGDECL([], [hardcode_automatic], [0], + [Set to "yes" if building a shared library automatically hardcodes DIR + into the library and all subsequent libraries and executables linked + against it]) +_LT_TAGDECL([], [inherit_rpath], [0], + [Set to yes if linker adds runtime paths of dependent libraries + to runtime path list]) +_LT_TAGDECL([], [link_all_deplibs], [0], + [Whether libtool must link a program against all its dependency libraries]) +_LT_TAGDECL([], [always_export_symbols], [0], + [Set to "yes" if exported symbols are required]) +_LT_TAGDECL([], [export_symbols_cmds], [2], + [The commands to list exported symbols]) +_LT_TAGDECL([], [exclude_expsyms], [1], + [Symbols that should not be listed in the preloaded symbols]) +_LT_TAGDECL([], [include_expsyms], [1], + [Symbols that must always be exported]) +_LT_TAGDECL([], [prelink_cmds], [2], + [Commands necessary for linking programs (against libraries) with templates]) +_LT_TAGDECL([], [postlink_cmds], [2], + [Commands necessary for finishing linking programs]) +_LT_TAGDECL([], [file_list_spec], [1], + [Specify filename containing input files]) +dnl FIXME: Not yet implemented +dnl _LT_TAGDECL([], [thread_safe_flag_spec], [1], +dnl [Compiler flag to generate thread safe objects]) +])# _LT_LINKER_SHLIBS + + +# _LT_LANG_C_CONFIG([TAG]) +# ------------------------ +# Ensure that the configuration variables for a C compiler are suitably +# defined. These variables are subsequently used by _LT_CONFIG to write +# the compiler configuration to `libtool'. +m4_defun([_LT_LANG_C_CONFIG], +[m4_require([_LT_DECL_EGREP])dnl +lt_save_CC="$CC" +AC_LANG_PUSH(C) + +# Source file extension for C test sources. +ac_ext=c + +# Object file extension for compiled C test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# Code to be used in simple compile tests +lt_simple_compile_test_code="int some_variable = 0;" + +# Code to be used in simple link tests +lt_simple_link_test_code='int main(){return(0);}' + +_LT_TAG_COMPILER +# Save the default compiler, since it gets overwritten when the other +# tags are being tested, and _LT_TAGVAR(compiler, []) is a NOP. +compiler_DEFAULT=$CC + +# save warnings/boilerplate of simple test code +_LT_COMPILER_BOILERPLATE +_LT_LINKER_BOILERPLATE + +## CAVEAT EMPTOR: +## There is no encapsulation within the following macros, do not change +## the running order or otherwise move them around unless you know exactly +## what you are doing... +if test -n "$compiler"; then + _LT_COMPILER_NO_RTTI($1) + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_SYS_DYNAMIC_LINKER($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + LT_SYS_DLOPEN_SELF + _LT_CMD_STRIPLIB + + # Report which library types will actually be built + AC_MSG_CHECKING([if libtool supports shared libraries]) + AC_MSG_RESULT([$can_build_shared]) + + AC_MSG_CHECKING([whether to build shared libraries]) + test "$can_build_shared" = "no" && enable_shared=no + + # On AIX, shared libraries and static libraries use the same namespace, and + # are all built from PIC. + case $host_os in + aix3*) + test "$enable_shared" = yes && enable_static=no + if test -n "$RANLIB"; then + archive_cmds="$archive_cmds~\$RANLIB \$lib" + postinstall_cmds='$RANLIB $lib' + fi + ;; + + aix[[4-9]]*) + if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then + test "$enable_shared" = yes && enable_static=no + fi + ;; + esac + AC_MSG_RESULT([$enable_shared]) + + AC_MSG_CHECKING([whether to build static libraries]) + # Make sure either enable_shared or enable_static is yes. + test "$enable_shared" = yes || enable_static=yes + AC_MSG_RESULT([$enable_static]) + + _LT_CONFIG($1) +fi +AC_LANG_POP +CC="$lt_save_CC" +])# _LT_LANG_C_CONFIG + + +# _LT_LANG_CXX_CONFIG([TAG]) +# -------------------------- +# Ensure that the configuration variables for a C++ compiler are suitably +# defined. These variables are subsequently used by _LT_CONFIG to write +# the compiler configuration to `libtool'. +m4_defun([_LT_LANG_CXX_CONFIG], +[m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_DECL_EGREP])dnl +m4_require([_LT_PATH_MANIFEST_TOOL])dnl +if test -n "$CXX" && ( test "X$CXX" != "Xno" && + ( (test "X$CXX" = "Xg++" && `g++ -v >/dev/null 2>&1` ) || + (test "X$CXX" != "Xg++"))) ; then + AC_PROG_CXXCPP +else + _lt_caught_CXX_error=yes +fi + +AC_LANG_PUSH(C++) +_LT_TAGVAR(archive_cmds_need_lc, $1)=no +_LT_TAGVAR(allow_undefined_flag, $1)= +_LT_TAGVAR(always_export_symbols, $1)=no +_LT_TAGVAR(archive_expsym_cmds, $1)= +_LT_TAGVAR(compiler_needs_object, $1)=no +_LT_TAGVAR(export_dynamic_flag_spec, $1)= +_LT_TAGVAR(hardcode_direct, $1)=no +_LT_TAGVAR(hardcode_direct_absolute, $1)=no +_LT_TAGVAR(hardcode_libdir_flag_spec, $1)= +_LT_TAGVAR(hardcode_libdir_flag_spec_ld, $1)= +_LT_TAGVAR(hardcode_libdir_separator, $1)= +_LT_TAGVAR(hardcode_minus_L, $1)=no +_LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported +_LT_TAGVAR(hardcode_automatic, $1)=no +_LT_TAGVAR(inherit_rpath, $1)=no +_LT_TAGVAR(module_cmds, $1)= +_LT_TAGVAR(module_expsym_cmds, $1)= +_LT_TAGVAR(link_all_deplibs, $1)=unknown +_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds +_LT_TAGVAR(reload_flag, $1)=$reload_flag +_LT_TAGVAR(reload_cmds, $1)=$reload_cmds +_LT_TAGVAR(no_undefined_flag, $1)= +_LT_TAGVAR(whole_archive_flag_spec, $1)= +_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no + +# Source file extension for C++ test sources. +ac_ext=cpp + +# Object file extension for compiled C++ test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# No sense in running all these tests if we already determined that +# the CXX compiler isn't working. Some variables (like enable_shared) +# are currently assumed to apply to all compilers on this platform, +# and will be corrupted by setting them based on a non-working compiler. +if test "$_lt_caught_CXX_error" != yes; then + # Code to be used in simple compile tests + lt_simple_compile_test_code="int some_variable = 0;" + + # Code to be used in simple link tests + lt_simple_link_test_code='int main(int, char *[[]]) { return(0); }' + + # ltmain only uses $CC for tagged configurations so make sure $CC is set. + _LT_TAG_COMPILER + + # save warnings/boilerplate of simple test code + _LT_COMPILER_BOILERPLATE + _LT_LINKER_BOILERPLATE + + # Allow CC to be a program name with arguments. + lt_save_CC=$CC + lt_save_CFLAGS=$CFLAGS + lt_save_LD=$LD + lt_save_GCC=$GCC + GCC=$GXX + lt_save_with_gnu_ld=$with_gnu_ld + lt_save_path_LD=$lt_cv_path_LD + if test -n "${lt_cv_prog_gnu_ldcxx+set}"; then + lt_cv_prog_gnu_ld=$lt_cv_prog_gnu_ldcxx + else + $as_unset lt_cv_prog_gnu_ld + fi + if test -n "${lt_cv_path_LDCXX+set}"; then + lt_cv_path_LD=$lt_cv_path_LDCXX + else + $as_unset lt_cv_path_LD + fi + test -z "${LDCXX+set}" || LD=$LDCXX + CC=${CXX-"c++"} + CFLAGS=$CXXFLAGS + compiler=$CC + _LT_TAGVAR(compiler, $1)=$CC + _LT_CC_BASENAME([$compiler]) + + if test -n "$compiler"; then + # We don't want -fno-exception when compiling C++ code, so set the + # no_builtin_flag separately + if test "$GXX" = yes; then + _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin' + else + _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)= + fi + + if test "$GXX" = yes; then + # Set up default GNU C++ configuration + + LT_PATH_LD + + # Check if GNU C++ uses GNU ld as the underlying linker, since the + # archiving commands below assume that GNU ld is being used. + if test "$with_gnu_ld" = yes; then + _LT_TAGVAR(archive_cmds, $1)='$CC $pic_flag -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC $pic_flag -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' + + # If archive_cmds runs LD, not CC, wlarc should be empty + # XXX I think wlarc can be eliminated in ltcf-cxx, but I need to + # investigate it a little bit more. (MM) + wlarc='${wl}' + + # ancient GNU ld didn't support --whole-archive et. al. + if eval "`$CC -print-prog-name=ld` --help 2>&1" | + $GREP 'no-whole-archive' > /dev/null; then + _LT_TAGVAR(whole_archive_flag_spec, $1)="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive' + else + _LT_TAGVAR(whole_archive_flag_spec, $1)= + fi + else + with_gnu_ld=no + wlarc= + + # A generic and very simple default shared library creation + # command for GNU C++ for the case where it uses the native + # linker, instead of GNU ld. If possible, this setting should + # overridden to take advantage of the native linker features on + # the platform it is being used on. + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib' + fi + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"' + + else + GXX=no + with_gnu_ld=no + wlarc= + fi + + # PORTME: fill in a description of your system's C++ link characteristics + AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries]) + _LT_TAGVAR(ld_shlibs, $1)=yes + case $host_os in + aix3*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + aix[[4-9]]*) + if test "$host_cpu" = ia64; then + # On IA64, the linker does run time linking by default, so we don't + # have to do anything special. + aix_use_runtimelinking=no + exp_sym_flag='-Bexport' + no_entry_flag="" + else + aix_use_runtimelinking=no + + # Test if we are trying to use run time linking or normal + # AIX style linking. If -brtl is somewhere in LDFLAGS, we + # need to do runtime linking. + case $host_os in aix4.[[23]]|aix4.[[23]].*|aix[[5-9]]*) + for ld_flag in $LDFLAGS; do + case $ld_flag in + *-brtl*) + aix_use_runtimelinking=yes + break + ;; + esac + done + ;; + esac + + exp_sym_flag='-bexport' + no_entry_flag='-bnoentry' + fi + + # When large executables or shared objects are built, AIX ld can + # have problems creating the table of contents. If linking a library + # or program results in "error TOC overflow" add -mminimal-toc to + # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not + # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. + + _LT_TAGVAR(archive_cmds, $1)='' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(hardcode_libdir_separator, $1)=':' + _LT_TAGVAR(link_all_deplibs, $1)=yes + _LT_TAGVAR(file_list_spec, $1)='${wl}-f,' + + if test "$GXX" = yes; then + case $host_os in aix4.[[012]]|aix4.[[012]].*) + # We only want to do this on AIX 4.2 and lower, the check + # below for broken collect2 doesn't work under 4.3+ + collect2name=`${CC} -print-prog-name=collect2` + if test -f "$collect2name" && + strings "$collect2name" | $GREP resolve_lib_name >/dev/null + then + # We have reworked collect2 + : + else + # We have old collect2 + _LT_TAGVAR(hardcode_direct, $1)=unsupported + # It fails to find uninstalled libraries when the uninstalled + # path is not listed in the libpath. Setting hardcode_minus_L + # to unsupported forces relinking + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)= + fi + esac + shared_flag='-shared' + if test "$aix_use_runtimelinking" = yes; then + shared_flag="$shared_flag "'${wl}-G' + fi + else + # not using gcc + if test "$host_cpu" = ia64; then + # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release + # chokes on -Wl,-G. The following line is correct: + shared_flag='-G' + else + if test "$aix_use_runtimelinking" = yes; then + shared_flag='${wl}-G' + else + shared_flag='${wl}-bM:SRE' + fi + fi + fi + + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-bexpall' + # It seems that -bexpall does not export symbols beginning with + # underscore (_), so it is better to generate a list of symbols to + # export. + _LT_TAGVAR(always_export_symbols, $1)=yes + if test "$aix_use_runtimelinking" = yes; then + # Warning - without using the other runtime loading flags (-brtl), + # -berok will link without error, but may produce a broken library. + _LT_TAGVAR(allow_undefined_flag, $1)='-berok' + # Determine the default libpath from the value encoded in an empty + # executable. + _LT_SYS_MODULE_PATH_AIX([$1]) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath" + + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then func_echo_all "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag" + else + if test "$host_cpu" = ia64; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R $libdir:/usr/lib:/lib' + _LT_TAGVAR(allow_undefined_flag, $1)="-z nodefs" + _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols" + else + # Determine the default libpath from the value encoded in an + # empty executable. + _LT_SYS_MODULE_PATH_AIX([$1]) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath" + # Warning - without using the other run time loading flags, + # -berok will link without error, but may produce a broken library. + _LT_TAGVAR(no_undefined_flag, $1)=' ${wl}-bernotok' + _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-berok' + if test "$with_gnu_ld" = yes; then + # We only use this code for GNU lds that support --whole-archive. + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive$convenience ${wl}--no-whole-archive' + else + # Exported symbols can be pulled into shared objects from archives + _LT_TAGVAR(whole_archive_flag_spec, $1)='$convenience' + fi + _LT_TAGVAR(archive_cmds_need_lc, $1)=yes + # This is similar to how AIX traditionally builds its shared + # libraries. + _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname' + fi + fi + ;; + + beos*) + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + # Joseph Beckenbach says some releases of gcc + # support --undefined. This deserves some investigation. FIXME + _LT_TAGVAR(archive_cmds, $1)='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + chorus*) + case $cc_basename in + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + ;; + + cygwin* | mingw* | pw32* | cegcc*) + case $GXX,$cc_basename in + ,cl* | no,cl*) + # Native MSVC + # hardcode_libdir_flag_spec is actually meaningless, as there is + # no search path for DLLs. + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' ' + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + _LT_TAGVAR(always_export_symbols, $1)=yes + _LT_TAGVAR(file_list_spec, $1)='@' + # Tell ltmain to make .lib files, not .a files. + libext=lib + # Tell ltmain to make .dll files, not .so files. + shrext_cmds=".dll" + # FIXME: Setting linknames here is a bad hack. + _LT_TAGVAR(archive_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-dll~linknames=' + _LT_TAGVAR(archive_expsym_cmds, $1)='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then + $SED -n -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' -e '1\\\!p' < $export_symbols > $output_objdir/$soname.exp; + else + $SED -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' < $export_symbols > $output_objdir/$soname.exp; + fi~ + $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~ + linknames=' + # The linker will not automatically build a static lib if we build a DLL. + # _LT_TAGVAR(old_archive_from_new_cmds, $1)='true' + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + # Don't use ranlib + _LT_TAGVAR(old_postinstall_cmds, $1)='chmod 644 $oldlib' + _LT_TAGVAR(postlink_cmds, $1)='lt_outputfile="@OUTPUT@"~ + lt_tool_outputfile="@TOOL_OUTPUT@"~ + case $lt_outputfile in + *.exe|*.EXE) ;; + *) + lt_outputfile="$lt_outputfile.exe" + lt_tool_outputfile="$lt_tool_outputfile.exe" + ;; + esac~ + func_to_tool_file "$lt_outputfile"~ + if test "$MANIFEST_TOOL" != ":" && test -f "$lt_outputfile.manifest"; then + $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1; + $RM "$lt_outputfile.manifest"; + fi' + ;; + *) + # g++ + # _LT_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless, + # as there is no search path for DLLs. + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-all-symbols' + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + _LT_TAGVAR(always_export_symbols, $1)=no + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + + if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + # If the export-symbols file already is a .def file (1st line + # is EXPORTS), use it as is; otherwise, prepend... + _LT_TAGVAR(archive_expsym_cmds, $1)='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then + cp $export_symbols $output_objdir/$soname.def; + else + echo EXPORTS > $output_objdir/$soname.def; + cat $export_symbols >> $output_objdir/$soname.def; + fi~ + $CC -shared -nostdlib $output_objdir/$soname.def $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + ;; + darwin* | rhapsody*) + _LT_DARWIN_LINKER_FEATURES($1) + ;; + + dgux*) + case $cc_basename in + ec++*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + ghcx*) + # Green Hills C++ Compiler + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + ;; + + freebsd[[12]]*) + # C++ shared libraries reported to be fairly broken before + # switch to ELF + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + freebsd-elf*) + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + ;; + + freebsd* | dragonfly*) + # FreeBSD 3 and later use GNU C++ and GNU ld with standard ELF + # conventions + _LT_TAGVAR(ld_shlibs, $1)=yes + ;; + + gnu*) + ;; + + haiku*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(link_all_deplibs, $1)=yes + ;; + + hpux9*) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH, + # but as the default + # location of the library. + + case $cc_basename in + CC*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + aCC*) + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -b ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $EGREP "\-L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' + ;; + *) + if test "$GXX" = yes; then + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -shared -nostdlib $pic_flag ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' + else + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + ;; + + hpux10*|hpux11*) + if test $with_gnu_ld = no; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + case $host_cpu in + hppa*64*|ia64*) + ;; + *) + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' + ;; + esac + fi + case $host_cpu in + hppa*64*|ia64*) + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + *) + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH, + # but as the default + # location of the library. + ;; + esac + + case $cc_basename in + CC*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + aCC*) + case $host_cpu in + hppa*64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + ia64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + esac + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $GREP "\-L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' + ;; + *) + if test "$GXX" = yes; then + if test $with_gnu_ld = no; then + case $host_cpu in + hppa*64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + ia64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $pic_flag ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $pic_flag ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + esac + fi + else + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + ;; + + interix[[3-9]]*) + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' + # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc. + # Instead, shared libraries are loaded at an image base (0x10000000 by + # default) and relocated if they conflict, which is a slow very memory + # consuming and fragmenting process. To avoid this, we pick a random, + # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link + # time. Moving up from 0x10000000 also allows more sbrk(2) space. + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + ;; + irix5* | irix6*) + case $cc_basename in + CC*) + # SGI C++ + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -all -multigot $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' + + # Archives containing C++ object files must be created using + # "CC -ar", where "CC" is the IRIX C++ compiler. This is + # necessary to make sure instantiated templates are included + # in the archive. + _LT_TAGVAR(old_archive_cmds, $1)='$CC -ar -WR,-u -o $oldlib $oldobjs' + ;; + *) + if test "$GXX" = yes; then + if test "$with_gnu_ld" = no; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' + else + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` -o $lib' + fi + fi + _LT_TAGVAR(link_all_deplibs, $1)=yes + ;; + esac + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(inherit_rpath, $1)=yes + ;; + + linux* | k*bsd*-gnu | kopensolaris*-gnu) + case $cc_basename in + KCC*) + # Kuck and Associates, Inc. (KAI) C++ Compiler + + # KCC will only create a shared library if the output file + # ends with ".so" (or ".sl" for HP-UX), so rename the library + # to its proper name (with version) after linking. + _LT_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib ${wl}-retain-symbols-file,$export_symbols; mv \$templib $lib' + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`$CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 | $GREP "ld"`; rm -f libconftest$shared_ext; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' + + # Archives containing C++ object files must be created using + # "CC -Bstatic", where "CC" is the KAI C++ compiler. + _LT_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs' + ;; + icpc* | ecpc* ) + # Intel C++ + with_gnu_ld=yes + # version 8.0 and above of icpc choke on multiply defined symbols + # if we add $predep_objects and $postdep_objects, however 7.1 and + # earlier do not add the objects themselves. + case `$CC -V 2>&1` in + *"Version 7."*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + ;; + *) # Version 8.0 or newer + tmp_idyn= + case $host_cpu in + ia64*) tmp_idyn=' -i_dynamic';; + esac + _LT_TAGVAR(archive_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + ;; + esac + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive$convenience ${wl}--no-whole-archive' + ;; + pgCC* | pgcpp*) + # Portland Group C++ compiler + case `$CC -V` in + *pgCC\ [[1-5]].* | *pgcpp\ [[1-5]].*) + _LT_TAGVAR(prelink_cmds, $1)='tpldir=Template.dir~ + rm -rf $tpldir~ + $CC --prelink_objects --instantiation_dir $tpldir $objs $libobjs $compile_deplibs~ + compile_command="$compile_command `find $tpldir -name \*.o | sort | $NL2SP`"' + _LT_TAGVAR(old_archive_cmds, $1)='tpldir=Template.dir~ + rm -rf $tpldir~ + $CC --prelink_objects --instantiation_dir $tpldir $oldobjs$old_deplibs~ + $AR $AR_FLAGS $oldlib$oldobjs$old_deplibs `find $tpldir -name \*.o | sort | $NL2SP`~ + $RANLIB $oldlib' + _LT_TAGVAR(archive_cmds, $1)='tpldir=Template.dir~ + rm -rf $tpldir~ + $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~ + $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='tpldir=Template.dir~ + rm -rf $tpldir~ + $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~ + $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname ${wl}-retain-symbols-file ${wl}$export_symbols -o $lib' + ;; + *) # Version 6 and above use weak symbols + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname ${wl}-retain-symbols-file ${wl}$export_symbols -o $lib' + ;; + esac + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}--rpath ${wl}$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' + ;; + cxx*) + # Compaq C++ + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib ${wl}-retain-symbols-file $wl$export_symbols' + + runpath_var=LD_RUN_PATH + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld"`; templist=`func_echo_all "$templist" | $SED "s/\(^.*ld.*\)\( .*ld .*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "X$list" | $Xsed' + ;; + xl* | mpixl* | bgxl*) + # IBM XL 8.0 on PPC, with GNU ld + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' + _LT_TAGVAR(archive_cmds, $1)='$CC -qmkshrobj $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + if test "x$supports_anon_versioning" = xyes; then + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~ + cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ + echo "local: *; };" >> $output_objdir/$libname.ver~ + $CC -qmkshrobj $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib' + fi + ;; + *) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) + # Sun C++ 5.9 + _LT_TAGVAR(no_undefined_flag, $1)=' -zdefs' + _LT_TAGVAR(archive_cmds, $1)='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-retain-symbols-file ${wl}$export_symbols' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' + _LT_TAGVAR(compiler_needs_object, $1)=yes + + # Not sure whether something based on + # $CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 + # would be better. + output_verbose_link_cmd='func_echo_all' + + # Archives containing C++ object files must be created using + # "CC -xar", where "CC" is the Sun C++ compiler. This is + # necessary to make sure instantiated templates are included + # in the archive. + _LT_TAGVAR(old_archive_cmds, $1)='$CC -xar -o $oldlib $oldobjs' + ;; + esac + ;; + esac + ;; + + lynxos*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + m88k*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + mvs*) + case $cc_basename in + cxx*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + ;; + + netbsd*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags' + wlarc= + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + fi + # Workaround some broken pre-1.5 toolchains + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP conftest.$objext | $SED -e "s:-lgcc -lc -lgcc::"' + ;; + + *nto* | *qnx*) + _LT_TAGVAR(ld_shlibs, $1)=yes + ;; + + openbsd2*) + # C++ shared libraries are fairly broken + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + openbsd*) + if test -f /usr/libexec/ld.so; then + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' + if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-retain-symbols-file,$export_symbols -o $lib' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' + _LT_TAGVAR(whole_archive_flag_spec, $1)="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive' + fi + output_verbose_link_cmd=func_echo_all + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + osf3* | osf4* | osf5*) + case $cc_basename in + KCC*) + # Kuck and Associates, Inc. (KAI) C++ Compiler + + # KCC will only create a shared library if the output file + # ends with ".so" (or ".sl" for HP-UX), so rename the library + # to its proper name (with version) after linking. + _LT_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo "$lib" | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib' + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + # Archives containing C++ object files must be created using + # the KAI C++ compiler. + case $host in + osf3*) _LT_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs' ;; + *) _LT_TAGVAR(old_archive_cmds, $1)='$CC -o $oldlib $oldobjs' ;; + esac + ;; + RCC*) + # Rational C++ 2.4.1 + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + cxx*) + case $host in + osf3*) + _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $soname `test -n "$verstring" && func_echo_all "${wl}-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + ;; + *) + _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done~ + echo "-hidden">> $lib.exp~ + $CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname ${wl}-input ${wl}$lib.exp `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib~ + $RM $lib.exp' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' + ;; + esac + + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld" | $GREP -v "ld:"`; templist=`func_echo_all "$templist" | $SED "s/\(^.*ld.*\)\( .*ld.*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' + ;; + *) + if test "$GXX" = yes && test "$with_gnu_ld" = no; then + _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*' + case $host in + osf3*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib ${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib ${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' + ;; + esac + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"' + + else + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + ;; + + psos*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + sunos4*) + case $cc_basename in + CC*) + # Sun C++ 4.x + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + lcc*) + # Lucid + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + ;; + + solaris*) + case $cc_basename in + CC* | sunCC*) + # Sun C++ 4.2, 5.x and Centerline C++ + _LT_TAGVAR(archive_cmds_need_lc,$1)=yes + _LT_TAGVAR(no_undefined_flag, $1)=' -zdefs' + _LT_TAGVAR(archive_cmds, $1)='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -G${allow_undefined_flag} ${wl}-M ${wl}$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp' + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + case $host_os in + solaris2.[[0-5]] | solaris2.[[0-5]].*) ;; + *) + # The compiler driver will combine and reorder linker options, + # but understands `-z linker_flag'. + # Supported since Solaris 2.6 (maybe 2.5.1?) + _LT_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract' + ;; + esac + _LT_TAGVAR(link_all_deplibs, $1)=yes + + output_verbose_link_cmd='func_echo_all' + + # Archives containing C++ object files must be created using + # "CC -xar", where "CC" is the Sun C++ compiler. This is + # necessary to make sure instantiated templates are included + # in the archive. + _LT_TAGVAR(old_archive_cmds, $1)='$CC -xar -o $oldlib $oldobjs' + ;; + gcx*) + # Green Hills C++ Compiler + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib' + + # The C++ compiler must be used to create the archive. + _LT_TAGVAR(old_archive_cmds, $1)='$CC $LDFLAGS -archive -o $oldlib $oldobjs' + ;; + *) + # GNU C++ compiler with Solaris linker + if test "$GXX" = yes && test "$with_gnu_ld" = no; then + _LT_TAGVAR(no_undefined_flag, $1)=' ${wl}-z ${wl}defs' + if $CC --version | $GREP -v '^2\.7' > /dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -shared $pic_flag -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp' + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"' + else + # g++ 2.7 appears to require `-G' NOT `-shared' on this + # platform. + _LT_TAGVAR(archive_cmds, $1)='$CC -G -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -G -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp' + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -G $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"' + fi + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R $wl$libdir' + case $host_os in + solaris2.[[0-5]] | solaris2.[[0-5]].*) ;; + *) + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract' + ;; + esac + fi + ;; + esac + ;; + + sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*) + _LT_TAGVAR(no_undefined_flag, $1)='${wl}-z,text' + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + runpath_var='LD_RUN_PATH' + + case $cc_basename in + CC*) + _LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + ;; + + sysv5* | sco3.2v5* | sco5v6*) + # Note: We can NOT use -z defs as we might desire, because we do not + # link with -lc, and that would cause any symbols used from libc to + # always be unresolved, which means just about no library would + # ever link correctly. If we're not using GNU ld we use -z text + # though, which does catch some bad symbols but isn't as heavy-handed + # as -z defs. + _LT_TAGVAR(no_undefined_flag, $1)='${wl}-z,text' + _LT_TAGVAR(allow_undefined_flag, $1)='${wl}-z,nodefs' + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R,$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=':' + _LT_TAGVAR(link_all_deplibs, $1)=yes + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-Bexport' + runpath_var='LD_RUN_PATH' + + case $cc_basename in + CC*) + _LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(old_archive_cmds, $1)='$CC -Tprelink_objects $oldobjs~ + '"$_LT_TAGVAR(old_archive_cmds, $1)" + _LT_TAGVAR(reload_cmds, $1)='$CC -Tprelink_objects $reload_objs~ + '"$_LT_TAGVAR(reload_cmds, $1)" + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + ;; + + tandem*) + case $cc_basename in + NCC*) + # NonStop-UX NCC 3.20 + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + ;; + + vxworks*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + + AC_MSG_RESULT([$_LT_TAGVAR(ld_shlibs, $1)]) + test "$_LT_TAGVAR(ld_shlibs, $1)" = no && can_build_shared=no + + _LT_TAGVAR(GCC, $1)="$GXX" + _LT_TAGVAR(LD, $1)="$LD" + + ## CAVEAT EMPTOR: + ## There is no encapsulation within the following macros, do not change + ## the running order or otherwise move them around unless you know exactly + ## what you are doing... + _LT_SYS_HIDDEN_LIBDEPS($1) + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_SYS_DYNAMIC_LINKER($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + + _LT_CONFIG($1) + fi # test -n "$compiler" + + CC=$lt_save_CC + CFLAGS=$lt_save_CFLAGS + LDCXX=$LD + LD=$lt_save_LD + GCC=$lt_save_GCC + with_gnu_ld=$lt_save_with_gnu_ld + lt_cv_path_LDCXX=$lt_cv_path_LD + lt_cv_path_LD=$lt_save_path_LD + lt_cv_prog_gnu_ldcxx=$lt_cv_prog_gnu_ld + lt_cv_prog_gnu_ld=$lt_save_with_gnu_ld +fi # test "$_lt_caught_CXX_error" != yes + +AC_LANG_POP +])# _LT_LANG_CXX_CONFIG + + +# _LT_FUNC_STRIPNAME_CNF +# ---------------------- +# func_stripname_cnf prefix suffix name +# strip PREFIX and SUFFIX off of NAME. +# PREFIX and SUFFIX must not contain globbing or regex special +# characters, hashes, percent signs, but SUFFIX may contain a leading +# dot (in which case that matches only a dot). +# +# This function is identical to the (non-XSI) version of func_stripname, +# except this one can be used by m4 code that may be executed by configure, +# rather than the libtool script. +m4_defun([_LT_FUNC_STRIPNAME_CNF],[dnl +AC_REQUIRE([_LT_DECL_SED]) +AC_REQUIRE([_LT_PROG_ECHO_BACKSLASH]) +func_stripname_cnf () +{ + case ${2} in + .*) func_stripname_result=`$ECHO "${3}" | $SED "s%^${1}%%; s%\\\\${2}\$%%"`;; + *) func_stripname_result=`$ECHO "${3}" | $SED "s%^${1}%%; s%${2}\$%%"`;; + esac +} # func_stripname_cnf +])# _LT_FUNC_STRIPNAME_CNF + +# _LT_SYS_HIDDEN_LIBDEPS([TAGNAME]) +# --------------------------------- +# Figure out "hidden" library dependencies from verbose +# compiler output when linking a shared library. +# Parse the compiler output and extract the necessary +# objects, libraries and library flags. +m4_defun([_LT_SYS_HIDDEN_LIBDEPS], +[m4_require([_LT_FILEUTILS_DEFAULTS])dnl +AC_REQUIRE([_LT_FUNC_STRIPNAME_CNF])dnl +# Dependencies to place before and after the object being linked: +_LT_TAGVAR(predep_objects, $1)= +_LT_TAGVAR(postdep_objects, $1)= +_LT_TAGVAR(predeps, $1)= +_LT_TAGVAR(postdeps, $1)= +_LT_TAGVAR(compiler_lib_search_path, $1)= + +dnl we can't use the lt_simple_compile_test_code here, +dnl because it contains code intended for an executable, +dnl not a library. It's possible we should let each +dnl tag define a new lt_????_link_test_code variable, +dnl but it's only used here... +m4_if([$1], [], [cat > conftest.$ac_ext <<_LT_EOF +int a; +void foo (void) { a = 0; } +_LT_EOF +], [$1], [CXX], [cat > conftest.$ac_ext <<_LT_EOF +class Foo +{ +public: + Foo (void) { a = 0; } +private: + int a; +}; +_LT_EOF +], [$1], [F77], [cat > conftest.$ac_ext <<_LT_EOF + subroutine foo + implicit none + integer*4 a + a=0 + return + end +_LT_EOF +], [$1], [FC], [cat > conftest.$ac_ext <<_LT_EOF + subroutine foo + implicit none + integer a + a=0 + return + end +_LT_EOF +], [$1], [GCJ], [cat > conftest.$ac_ext <<_LT_EOF +public class foo { + private int a; + public void bar (void) { + a = 0; + } +}; +_LT_EOF +]) + +_lt_libdeps_save_CFLAGS=$CFLAGS +case "$CC $CFLAGS " in #( +*\ -flto*\ *) CFLAGS="$CFLAGS -fno-lto" ;; +*\ -fwhopr*\ *) CFLAGS="$CFLAGS -fno-whopr" ;; +esac + +dnl Parse the compiler output and extract the necessary +dnl objects, libraries and library flags. +if AC_TRY_EVAL(ac_compile); then + # Parse the compiler output and extract the necessary + # objects, libraries and library flags. + + # Sentinel used to keep track of whether or not we are before + # the conftest object file. + pre_test_object_deps_done=no + + for p in `eval "$output_verbose_link_cmd"`; do + case ${prev}${p} in + + -L* | -R* | -l*) + # Some compilers place space between "-{L,R}" and the path. + # Remove the space. + if test $p = "-L" || + test $p = "-R"; then + prev=$p + continue + fi + + # Expand the sysroot to ease extracting the directories later. + if test -z "$prev"; then + case $p in + -L*) func_stripname_cnf '-L' '' "$p"; prev=-L; p=$func_stripname_result ;; + -R*) func_stripname_cnf '-R' '' "$p"; prev=-R; p=$func_stripname_result ;; + -l*) func_stripname_cnf '-l' '' "$p"; prev=-l; p=$func_stripname_result ;; + esac + fi + case $p in + =*) func_stripname_cnf '=' '' "$p"; p=$lt_sysroot$func_stripname_result ;; + esac + if test "$pre_test_object_deps_done" = no; then + case ${prev} in + -L | -R) + # Internal compiler library paths should come after those + # provided the user. The postdeps already come after the + # user supplied libs so there is no need to process them. + if test -z "$_LT_TAGVAR(compiler_lib_search_path, $1)"; then + _LT_TAGVAR(compiler_lib_search_path, $1)="${prev}${p}" + else + _LT_TAGVAR(compiler_lib_search_path, $1)="${_LT_TAGVAR(compiler_lib_search_path, $1)} ${prev}${p}" + fi + ;; + # The "-l" case would never come before the object being + # linked, so don't bother handling this case. + esac + else + if test -z "$_LT_TAGVAR(postdeps, $1)"; then + _LT_TAGVAR(postdeps, $1)="${prev}${p}" + else + _LT_TAGVAR(postdeps, $1)="${_LT_TAGVAR(postdeps, $1)} ${prev}${p}" + fi + fi + prev= + ;; + + *.lto.$objext) ;; # Ignore GCC LTO objects + *.$objext) + # This assumes that the test object file only shows up + # once in the compiler output. + if test "$p" = "conftest.$objext"; then + pre_test_object_deps_done=yes + continue + fi + + if test "$pre_test_object_deps_done" = no; then + if test -z "$_LT_TAGVAR(predep_objects, $1)"; then + _LT_TAGVAR(predep_objects, $1)="$p" + else + _LT_TAGVAR(predep_objects, $1)="$_LT_TAGVAR(predep_objects, $1) $p" + fi + else + if test -z "$_LT_TAGVAR(postdep_objects, $1)"; then + _LT_TAGVAR(postdep_objects, $1)="$p" + else + _LT_TAGVAR(postdep_objects, $1)="$_LT_TAGVAR(postdep_objects, $1) $p" + fi + fi + ;; + + *) ;; # Ignore the rest. + + esac + done + + # Clean up. + rm -f a.out a.exe +else + echo "libtool.m4: error: problem compiling $1 test program" +fi + +$RM -f confest.$objext +CFLAGS=$_lt_libdeps_save_CFLAGS + +# PORTME: override above test on systems where it is broken +m4_if([$1], [CXX], +[case $host_os in +interix[[3-9]]*) + # Interix 3.5 installs completely hosed .la files for C++, so rather than + # hack all around it, let's just trust "g++" to DTRT. + _LT_TAGVAR(predep_objects,$1)= + _LT_TAGVAR(postdep_objects,$1)= + _LT_TAGVAR(postdeps,$1)= + ;; + +linux*) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) + # Sun C++ 5.9 + + # The more standards-conforming stlport4 library is + # incompatible with the Cstd library. Avoid specifying + # it if it's in CXXFLAGS. Ignore libCrun as + # -library=stlport4 depends on it. + case " $CXX $CXXFLAGS " in + *" -library=stlport4 "*) + solaris_use_stlport4=yes + ;; + esac + + if test "$solaris_use_stlport4" != yes; then + _LT_TAGVAR(postdeps,$1)='-library=Cstd -library=Crun' + fi + ;; + esac + ;; + +solaris*) + case $cc_basename in + CC* | sunCC*) + # The more standards-conforming stlport4 library is + # incompatible with the Cstd library. Avoid specifying + # it if it's in CXXFLAGS. Ignore libCrun as + # -library=stlport4 depends on it. + case " $CXX $CXXFLAGS " in + *" -library=stlport4 "*) + solaris_use_stlport4=yes + ;; + esac + + # Adding this requires a known-good setup of shared libraries for + # Sun compiler versions before 5.6, else PIC objects from an old + # archive will be linked into the output, leading to subtle bugs. + if test "$solaris_use_stlport4" != yes; then + _LT_TAGVAR(postdeps,$1)='-library=Cstd -library=Crun' + fi + ;; + esac + ;; +esac +]) + +case " $_LT_TAGVAR(postdeps, $1) " in +*" -lc "*) _LT_TAGVAR(archive_cmds_need_lc, $1)=no ;; +esac + _LT_TAGVAR(compiler_lib_search_dirs, $1)= +if test -n "${_LT_TAGVAR(compiler_lib_search_path, $1)}"; then + _LT_TAGVAR(compiler_lib_search_dirs, $1)=`echo " ${_LT_TAGVAR(compiler_lib_search_path, $1)}" | ${SED} -e 's! -L! !g' -e 's!^ !!'` +fi +_LT_TAGDECL([], [compiler_lib_search_dirs], [1], + [The directories searched by this compiler when creating a shared library]) +_LT_TAGDECL([], [predep_objects], [1], + [Dependencies to place before and after the objects being linked to + create a shared library]) +_LT_TAGDECL([], [postdep_objects], [1]) +_LT_TAGDECL([], [predeps], [1]) +_LT_TAGDECL([], [postdeps], [1]) +_LT_TAGDECL([], [compiler_lib_search_path], [1], + [The library search path used internally by the compiler when linking + a shared library]) +])# _LT_SYS_HIDDEN_LIBDEPS + + +# _LT_LANG_F77_CONFIG([TAG]) +# -------------------------- +# Ensure that the configuration variables for a Fortran 77 compiler are +# suitably defined. These variables are subsequently used by _LT_CONFIG +# to write the compiler configuration to `libtool'. +m4_defun([_LT_LANG_F77_CONFIG], +[AC_LANG_PUSH(Fortran 77) +if test -z "$F77" || test "X$F77" = "Xno"; then + _lt_disable_F77=yes +fi + +_LT_TAGVAR(archive_cmds_need_lc, $1)=no +_LT_TAGVAR(allow_undefined_flag, $1)= +_LT_TAGVAR(always_export_symbols, $1)=no +_LT_TAGVAR(archive_expsym_cmds, $1)= +_LT_TAGVAR(export_dynamic_flag_spec, $1)= +_LT_TAGVAR(hardcode_direct, $1)=no +_LT_TAGVAR(hardcode_direct_absolute, $1)=no +_LT_TAGVAR(hardcode_libdir_flag_spec, $1)= +_LT_TAGVAR(hardcode_libdir_flag_spec_ld, $1)= +_LT_TAGVAR(hardcode_libdir_separator, $1)= +_LT_TAGVAR(hardcode_minus_L, $1)=no +_LT_TAGVAR(hardcode_automatic, $1)=no +_LT_TAGVAR(inherit_rpath, $1)=no +_LT_TAGVAR(module_cmds, $1)= +_LT_TAGVAR(module_expsym_cmds, $1)= +_LT_TAGVAR(link_all_deplibs, $1)=unknown +_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds +_LT_TAGVAR(reload_flag, $1)=$reload_flag +_LT_TAGVAR(reload_cmds, $1)=$reload_cmds +_LT_TAGVAR(no_undefined_flag, $1)= +_LT_TAGVAR(whole_archive_flag_spec, $1)= +_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no + +# Source file extension for f77 test sources. +ac_ext=f + +# Object file extension for compiled f77 test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# No sense in running all these tests if we already determined that +# the F77 compiler isn't working. Some variables (like enable_shared) +# are currently assumed to apply to all compilers on this platform, +# and will be corrupted by setting them based on a non-working compiler. +if test "$_lt_disable_F77" != yes; then + # Code to be used in simple compile tests + lt_simple_compile_test_code="\ + subroutine t + return + end +" + + # Code to be used in simple link tests + lt_simple_link_test_code="\ + program t + end +" + + # ltmain only uses $CC for tagged configurations so make sure $CC is set. + _LT_TAG_COMPILER + + # save warnings/boilerplate of simple test code + _LT_COMPILER_BOILERPLATE + _LT_LINKER_BOILERPLATE + + # Allow CC to be a program name with arguments. + lt_save_CC="$CC" + lt_save_GCC=$GCC + lt_save_CFLAGS=$CFLAGS + CC=${F77-"f77"} + CFLAGS=$FFLAGS + compiler=$CC + _LT_TAGVAR(compiler, $1)=$CC + _LT_CC_BASENAME([$compiler]) + GCC=$G77 + if test -n "$compiler"; then + AC_MSG_CHECKING([if libtool supports shared libraries]) + AC_MSG_RESULT([$can_build_shared]) + + AC_MSG_CHECKING([whether to build shared libraries]) + test "$can_build_shared" = "no" && enable_shared=no + + # On AIX, shared libraries and static libraries use the same namespace, and + # are all built from PIC. + case $host_os in + aix3*) + test "$enable_shared" = yes && enable_static=no + if test -n "$RANLIB"; then + archive_cmds="$archive_cmds~\$RANLIB \$lib" + postinstall_cmds='$RANLIB $lib' + fi + ;; + aix[[4-9]]*) + if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then + test "$enable_shared" = yes && enable_static=no + fi + ;; + esac + AC_MSG_RESULT([$enable_shared]) + + AC_MSG_CHECKING([whether to build static libraries]) + # Make sure either enable_shared or enable_static is yes. + test "$enable_shared" = yes || enable_static=yes + AC_MSG_RESULT([$enable_static]) + + _LT_TAGVAR(GCC, $1)="$G77" + _LT_TAGVAR(LD, $1)="$LD" + + ## CAVEAT EMPTOR: + ## There is no encapsulation within the following macros, do not change + ## the running order or otherwise move them around unless you know exactly + ## what you are doing... + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_SYS_DYNAMIC_LINKER($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + + _LT_CONFIG($1) + fi # test -n "$compiler" + + GCC=$lt_save_GCC + CC="$lt_save_CC" + CFLAGS="$lt_save_CFLAGS" +fi # test "$_lt_disable_F77" != yes + +AC_LANG_POP +])# _LT_LANG_F77_CONFIG + + +# _LT_LANG_FC_CONFIG([TAG]) +# ------------------------- +# Ensure that the configuration variables for a Fortran compiler are +# suitably defined. These variables are subsequently used by _LT_CONFIG +# to write the compiler configuration to `libtool'. +m4_defun([_LT_LANG_FC_CONFIG], +[AC_LANG_PUSH(Fortran) + +if test -z "$FC" || test "X$FC" = "Xno"; then + _lt_disable_FC=yes +fi + +_LT_TAGVAR(archive_cmds_need_lc, $1)=no +_LT_TAGVAR(allow_undefined_flag, $1)= +_LT_TAGVAR(always_export_symbols, $1)=no +_LT_TAGVAR(archive_expsym_cmds, $1)= +_LT_TAGVAR(export_dynamic_flag_spec, $1)= +_LT_TAGVAR(hardcode_direct, $1)=no +_LT_TAGVAR(hardcode_direct_absolute, $1)=no +_LT_TAGVAR(hardcode_libdir_flag_spec, $1)= +_LT_TAGVAR(hardcode_libdir_flag_spec_ld, $1)= +_LT_TAGVAR(hardcode_libdir_separator, $1)= +_LT_TAGVAR(hardcode_minus_L, $1)=no +_LT_TAGVAR(hardcode_automatic, $1)=no +_LT_TAGVAR(inherit_rpath, $1)=no +_LT_TAGVAR(module_cmds, $1)= +_LT_TAGVAR(module_expsym_cmds, $1)= +_LT_TAGVAR(link_all_deplibs, $1)=unknown +_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds +_LT_TAGVAR(reload_flag, $1)=$reload_flag +_LT_TAGVAR(reload_cmds, $1)=$reload_cmds +_LT_TAGVAR(no_undefined_flag, $1)= +_LT_TAGVAR(whole_archive_flag_spec, $1)= +_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no + +# Source file extension for fc test sources. +ac_ext=${ac_fc_srcext-f} + +# Object file extension for compiled fc test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# No sense in running all these tests if we already determined that +# the FC compiler isn't working. Some variables (like enable_shared) +# are currently assumed to apply to all compilers on this platform, +# and will be corrupted by setting them based on a non-working compiler. +if test "$_lt_disable_FC" != yes; then + # Code to be used in simple compile tests + lt_simple_compile_test_code="\ + subroutine t + return + end +" + + # Code to be used in simple link tests + lt_simple_link_test_code="\ + program t + end +" + + # ltmain only uses $CC for tagged configurations so make sure $CC is set. + _LT_TAG_COMPILER + + # save warnings/boilerplate of simple test code + _LT_COMPILER_BOILERPLATE + _LT_LINKER_BOILERPLATE + + # Allow CC to be a program name with arguments. + lt_save_CC="$CC" + lt_save_GCC=$GCC + lt_save_CFLAGS=$CFLAGS + CC=${FC-"f95"} + CFLAGS=$FCFLAGS + compiler=$CC + GCC=$ac_cv_fc_compiler_gnu + + _LT_TAGVAR(compiler, $1)=$CC + _LT_CC_BASENAME([$compiler]) + + if test -n "$compiler"; then + AC_MSG_CHECKING([if libtool supports shared libraries]) + AC_MSG_RESULT([$can_build_shared]) + + AC_MSG_CHECKING([whether to build shared libraries]) + test "$can_build_shared" = "no" && enable_shared=no + + # On AIX, shared libraries and static libraries use the same namespace, and + # are all built from PIC. + case $host_os in + aix3*) + test "$enable_shared" = yes && enable_static=no + if test -n "$RANLIB"; then + archive_cmds="$archive_cmds~\$RANLIB \$lib" + postinstall_cmds='$RANLIB $lib' + fi + ;; + aix[[4-9]]*) + if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then + test "$enable_shared" = yes && enable_static=no + fi + ;; + esac + AC_MSG_RESULT([$enable_shared]) + + AC_MSG_CHECKING([whether to build static libraries]) + # Make sure either enable_shared or enable_static is yes. + test "$enable_shared" = yes || enable_static=yes + AC_MSG_RESULT([$enable_static]) + + _LT_TAGVAR(GCC, $1)="$ac_cv_fc_compiler_gnu" + _LT_TAGVAR(LD, $1)="$LD" + + ## CAVEAT EMPTOR: + ## There is no encapsulation within the following macros, do not change + ## the running order or otherwise move them around unless you know exactly + ## what you are doing... + _LT_SYS_HIDDEN_LIBDEPS($1) + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_SYS_DYNAMIC_LINKER($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + + _LT_CONFIG($1) + fi # test -n "$compiler" + + GCC=$lt_save_GCC + CC=$lt_save_CC + CFLAGS=$lt_save_CFLAGS +fi # test "$_lt_disable_FC" != yes + +AC_LANG_POP +])# _LT_LANG_FC_CONFIG + + +# _LT_LANG_GCJ_CONFIG([TAG]) +# -------------------------- +# Ensure that the configuration variables for the GNU Java Compiler compiler +# are suitably defined. These variables are subsequently used by _LT_CONFIG +# to write the compiler configuration to `libtool'. +m4_defun([_LT_LANG_GCJ_CONFIG], +[AC_REQUIRE([LT_PROG_GCJ])dnl +AC_LANG_SAVE + +# Source file extension for Java test sources. +ac_ext=java + +# Object file extension for compiled Java test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# Code to be used in simple compile tests +lt_simple_compile_test_code="class foo {}" + +# Code to be used in simple link tests +lt_simple_link_test_code='public class conftest { public static void main(String[[]] argv) {}; }' + +# ltmain only uses $CC for tagged configurations so make sure $CC is set. +_LT_TAG_COMPILER + +# save warnings/boilerplate of simple test code +_LT_COMPILER_BOILERPLATE +_LT_LINKER_BOILERPLATE + +# Allow CC to be a program name with arguments. +lt_save_CC=$CC +lt_save_CFLAGS=$CFLAGS +lt_save_GCC=$GCC +GCC=yes +CC=${GCJ-"gcj"} +CFLAGS=$GCJFLAGS +compiler=$CC +_LT_TAGVAR(compiler, $1)=$CC +_LT_TAGVAR(LD, $1)="$LD" +_LT_CC_BASENAME([$compiler]) + +# GCJ did not exist at the time GCC didn't implicitly link libc in. +_LT_TAGVAR(archive_cmds_need_lc, $1)=no + +_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds +_LT_TAGVAR(reload_flag, $1)=$reload_flag +_LT_TAGVAR(reload_cmds, $1)=$reload_cmds + +## CAVEAT EMPTOR: +## There is no encapsulation within the following macros, do not change +## the running order or otherwise move them around unless you know exactly +## what you are doing... +if test -n "$compiler"; then + _LT_COMPILER_NO_RTTI($1) + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + + _LT_CONFIG($1) +fi + +AC_LANG_RESTORE + +GCC=$lt_save_GCC +CC=$lt_save_CC +CFLAGS=$lt_save_CFLAGS +])# _LT_LANG_GCJ_CONFIG + + +# _LT_LANG_RC_CONFIG([TAG]) +# ------------------------- +# Ensure that the configuration variables for the Windows resource compiler +# are suitably defined. These variables are subsequently used by _LT_CONFIG +# to write the compiler configuration to `libtool'. +m4_defun([_LT_LANG_RC_CONFIG], +[AC_REQUIRE([LT_PROG_RC])dnl +AC_LANG_SAVE + +# Source file extension for RC test sources. +ac_ext=rc + +# Object file extension for compiled RC test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# Code to be used in simple compile tests +lt_simple_compile_test_code='sample MENU { MENUITEM "&Soup", 100, CHECKED }' + +# Code to be used in simple link tests +lt_simple_link_test_code="$lt_simple_compile_test_code" + +# ltmain only uses $CC for tagged configurations so make sure $CC is set. +_LT_TAG_COMPILER + +# save warnings/boilerplate of simple test code +_LT_COMPILER_BOILERPLATE +_LT_LINKER_BOILERPLATE + +# Allow CC to be a program name with arguments. +lt_save_CC="$CC" +lt_save_CFLAGS=$CFLAGS +lt_save_GCC=$GCC +GCC= +CC=${RC-"windres"} +CFLAGS= +compiler=$CC +_LT_TAGVAR(compiler, $1)=$CC +_LT_CC_BASENAME([$compiler]) +_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes + +if test -n "$compiler"; then + : + _LT_CONFIG($1) +fi + +GCC=$lt_save_GCC +AC_LANG_RESTORE +CC=$lt_save_CC +CFLAGS=$lt_save_CFLAGS +])# _LT_LANG_RC_CONFIG + + +# LT_PROG_GCJ +# ----------- +AC_DEFUN([LT_PROG_GCJ], +[m4_ifdef([AC_PROG_GCJ], [AC_PROG_GCJ], + [m4_ifdef([A][M_PROG_GCJ], [A][M_PROG_GCJ], + [AC_CHECK_TOOL(GCJ, gcj,) + test "x${GCJFLAGS+set}" = xset || GCJFLAGS="-g -O2" + AC_SUBST(GCJFLAGS)])])[]dnl +]) + +# Old name: +AU_ALIAS([LT_AC_PROG_GCJ], [LT_PROG_GCJ]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([LT_AC_PROG_GCJ], []) + + +# LT_PROG_RC +# ---------- +AC_DEFUN([LT_PROG_RC], +[AC_CHECK_TOOL(RC, windres,) +]) + +# Old name: +AU_ALIAS([LT_AC_PROG_RC], [LT_PROG_RC]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([LT_AC_PROG_RC], []) + + +# _LT_DECL_EGREP +# -------------- +# If we don't have a new enough Autoconf to choose the best grep +# available, choose the one first in the user's PATH. +m4_defun([_LT_DECL_EGREP], +[AC_REQUIRE([AC_PROG_EGREP])dnl +AC_REQUIRE([AC_PROG_FGREP])dnl +test -z "$GREP" && GREP=grep +_LT_DECL([], [GREP], [1], [A grep program that handles long lines]) +_LT_DECL([], [EGREP], [1], [An ERE matcher]) +_LT_DECL([], [FGREP], [1], [A literal string matcher]) +dnl Non-bleeding-edge autoconf doesn't subst GREP, so do it here too +AC_SUBST([GREP]) +]) + + +# _LT_DECL_OBJDUMP +# -------------- +# If we don't have a new enough Autoconf to choose the best objdump +# available, choose the one first in the user's PATH. +m4_defun([_LT_DECL_OBJDUMP], +[AC_CHECK_TOOL(OBJDUMP, objdump, false) +test -z "$OBJDUMP" && OBJDUMP=objdump +_LT_DECL([], [OBJDUMP], [1], [An object symbol dumper]) +AC_SUBST([OBJDUMP]) +]) + +# _LT_DECL_DLLTOOL +# ---------------- +# Ensure DLLTOOL variable is set. +m4_defun([_LT_DECL_DLLTOOL], +[AC_CHECK_TOOL(DLLTOOL, dlltool, false) +test -z "$DLLTOOL" && DLLTOOL=dlltool +_LT_DECL([], [DLLTOOL], [1], [DLL creation program]) +AC_SUBST([DLLTOOL]) +]) + +# _LT_DECL_SED +# ------------ +# Check for a fully-functional sed program, that truncates +# as few characters as possible. Prefer GNU sed if found. +m4_defun([_LT_DECL_SED], +[AC_PROG_SED +test -z "$SED" && SED=sed +Xsed="$SED -e 1s/^X//" +_LT_DECL([], [SED], [1], [A sed program that does not truncate output]) +_LT_DECL([], [Xsed], ["\$SED -e 1s/^X//"], + [Sed that helps us avoid accidentally triggering echo(1) options like -n]) +])# _LT_DECL_SED + +m4_ifndef([AC_PROG_SED], [ +############################################################ +# NOTE: This macro has been submitted for inclusion into # +# GNU Autoconf as AC_PROG_SED. When it is available in # +# a released version of Autoconf we should remove this # +# macro and use it instead. # +############################################################ + +m4_defun([AC_PROG_SED], +[AC_MSG_CHECKING([for a sed that does not truncate output]) +AC_CACHE_VAL(lt_cv_path_SED, +[# Loop through the user's path and test for sed and gsed. +# Then use that list of sed's as ones to test for truncation. +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for lt_ac_prog in sed gsed; do + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$lt_ac_prog$ac_exec_ext"; then + lt_ac_sed_list="$lt_ac_sed_list $as_dir/$lt_ac_prog$ac_exec_ext" + fi + done + done +done +IFS=$as_save_IFS +lt_ac_max=0 +lt_ac_count=0 +# Add /usr/xpg4/bin/sed as it is typically found on Solaris +# along with /bin/sed that truncates output. +for lt_ac_sed in $lt_ac_sed_list /usr/xpg4/bin/sed; do + test ! -f $lt_ac_sed && continue + cat /dev/null > conftest.in + lt_ac_count=0 + echo $ECHO_N "0123456789$ECHO_C" >conftest.in + # Check for GNU sed and select it if it is found. + if "$lt_ac_sed" --version 2>&1 < /dev/null | grep 'GNU' > /dev/null; then + lt_cv_path_SED=$lt_ac_sed + break + fi + while true; do + cat conftest.in conftest.in >conftest.tmp + mv conftest.tmp conftest.in + cp conftest.in conftest.nl + echo >>conftest.nl + $lt_ac_sed -e 's/a$//' < conftest.nl >conftest.out || break + cmp -s conftest.out conftest.nl || break + # 10000 chars as input seems more than enough + test $lt_ac_count -gt 10 && break + lt_ac_count=`expr $lt_ac_count + 1` + if test $lt_ac_count -gt $lt_ac_max; then + lt_ac_max=$lt_ac_count + lt_cv_path_SED=$lt_ac_sed + fi + done +done +]) +SED=$lt_cv_path_SED +AC_SUBST([SED]) +AC_MSG_RESULT([$SED]) +])#AC_PROG_SED +])#m4_ifndef + +# Old name: +AU_ALIAS([LT_AC_PROG_SED], [AC_PROG_SED]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([LT_AC_PROG_SED], []) + + +# _LT_CHECK_SHELL_FEATURES +# ------------------------ +# Find out whether the shell is Bourne or XSI compatible, +# or has some other useful features. +m4_defun([_LT_CHECK_SHELL_FEATURES], +[AC_MSG_CHECKING([whether the shell understands some XSI constructs]) +# Try some XSI features +xsi_shell=no +( _lt_dummy="a/b/c" + test "${_lt_dummy##*/},${_lt_dummy%/*},${_lt_dummy#??}"${_lt_dummy%"$_lt_dummy"}, \ + = c,a/b,b/c, \ + && eval 'test $(( 1 + 1 )) -eq 2 \ + && test "${#_lt_dummy}" -eq 5' ) >/dev/null 2>&1 \ + && xsi_shell=yes +AC_MSG_RESULT([$xsi_shell]) +_LT_CONFIG_LIBTOOL_INIT([xsi_shell='$xsi_shell']) + +AC_MSG_CHECKING([whether the shell understands "+="]) +lt_shell_append=no +( foo=bar; set foo baz; eval "$[1]+=\$[2]" && test "$foo" = barbaz ) \ + >/dev/null 2>&1 \ + && lt_shell_append=yes +AC_MSG_RESULT([$lt_shell_append]) +_LT_CONFIG_LIBTOOL_INIT([lt_shell_append='$lt_shell_append']) + +if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then + lt_unset=unset +else + lt_unset=false +fi +_LT_DECL([], [lt_unset], [0], [whether the shell understands "unset"])dnl + +# test EBCDIC or ASCII +case `echo X|tr X '\101'` in + A) # ASCII based system + # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr + lt_SP2NL='tr \040 \012' + lt_NL2SP='tr \015\012 \040\040' + ;; + *) # EBCDIC based system + lt_SP2NL='tr \100 \n' + lt_NL2SP='tr \r\n \100\100' + ;; +esac +_LT_DECL([SP2NL], [lt_SP2NL], [1], [turn spaces into newlines])dnl +_LT_DECL([NL2SP], [lt_NL2SP], [1], [turn newlines into spaces])dnl +])# _LT_CHECK_SHELL_FEATURES + + +# _LT_PROG_FUNCTION_REPLACE (FUNCNAME, REPLACEMENT-BODY) +# ------------------------------------------------------ +# In `$cfgfile', look for function FUNCNAME delimited by `^FUNCNAME ()$' and +# '^} FUNCNAME ', and replace its body with REPLACEMENT-BODY. +m4_defun([_LT_PROG_FUNCTION_REPLACE], +[dnl { +sed -e '/^$1 ()$/,/^} # $1 /c\ +$1 ()\ +{\ +m4_bpatsubsts([$2], [$], [\\], [^\([ ]\)], [\\\1]) +} # Extended-shell $1 implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: +]) + + +# _LT_PROG_REPLACE_SHELLFNS +# ------------------------- +# Replace existing portable implementations of several shell functions with +# equivalent extended shell implementations where those features are available.. +m4_defun([_LT_PROG_REPLACE_SHELLFNS], +[if test x"$xsi_shell" = xyes; then + _LT_PROG_FUNCTION_REPLACE([func_dirname], [dnl + case ${1} in + */*) func_dirname_result="${1%/*}${2}" ;; + * ) func_dirname_result="${3}" ;; + esac]) + + _LT_PROG_FUNCTION_REPLACE([func_basename], [dnl + func_basename_result="${1##*/}"]) + + _LT_PROG_FUNCTION_REPLACE([func_dirname_and_basename], [dnl + case ${1} in + */*) func_dirname_result="${1%/*}${2}" ;; + * ) func_dirname_result="${3}" ;; + esac + func_basename_result="${1##*/}"]) + + _LT_PROG_FUNCTION_REPLACE([func_stripname], [dnl + # pdksh 5.2.14 does not do ${X%$Y} correctly if both X and Y are + # positional parameters, so assign one to ordinary parameter first. + func_stripname_result=${3} + func_stripname_result=${func_stripname_result#"${1}"} + func_stripname_result=${func_stripname_result%"${2}"}]) + + _LT_PROG_FUNCTION_REPLACE([func_split_long_opt], [dnl + func_split_long_opt_name=${1%%=*} + func_split_long_opt_arg=${1#*=}]) + + _LT_PROG_FUNCTION_REPLACE([func_split_short_opt], [dnl + func_split_short_opt_arg=${1#??} + func_split_short_opt_name=${1%"$func_split_short_opt_arg"}]) + + _LT_PROG_FUNCTION_REPLACE([func_lo2o], [dnl + case ${1} in + *.lo) func_lo2o_result=${1%.lo}.${objext} ;; + *) func_lo2o_result=${1} ;; + esac]) + + _LT_PROG_FUNCTION_REPLACE([func_xform], [ func_xform_result=${1%.*}.lo]) + + _LT_PROG_FUNCTION_REPLACE([func_arith], [ func_arith_result=$(( $[*] ))]) + + _LT_PROG_FUNCTION_REPLACE([func_len], [ func_len_result=${#1}]) +fi + +if test x"$lt_shell_append" = xyes; then + _LT_PROG_FUNCTION_REPLACE([func_append], [ eval "${1}+=\\${2}"]) + + _LT_PROG_FUNCTION_REPLACE([func_append_quoted], [dnl + func_quote_for_eval "${2}" +dnl m4 expansion turns \\\\ into \\, and then the shell eval turns that into \ + eval "${1}+=\\\\ \\$func_quote_for_eval_result"]) + + # Save a `func_append' function call where possible by direct use of '+=' + sed -e 's%func_append \([[a-zA-Z_]]\{1,\}\) "%\1+="%g' $cfgfile > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") + test 0 -eq $? || _lt_function_replace_fail=: +else + # Save a `func_append' function call even when '+=' is not available + sed -e 's%func_append \([[a-zA-Z_]]\{1,\}\) "%\1="$\1%g' $cfgfile > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") + test 0 -eq $? || _lt_function_replace_fail=: +fi + +if test x"$_lt_function_replace_fail" = x":"; then + AC_MSG_WARN([Unable to substitute extended shell functions in $ofile]) +fi +]) + +# _LT_PATH_CONVERSION_FUNCTIONS +# ----------------------------- +# Determine which file name conversion functions should be used by +# func_to_host_file (and, implicitly, by func_to_host_path). These are needed +# for certain cross-compile configurations and native mingw. +m4_defun([_LT_PATH_CONVERSION_FUNCTIONS], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +AC_REQUIRE([AC_CANONICAL_BUILD])dnl +AC_MSG_CHECKING([how to convert $build file names to $host format]) +AC_CACHE_VAL(lt_cv_to_host_file_cmd, +[case $host in + *-*-mingw* ) + case $build in + *-*-mingw* ) # actually msys + lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32 + ;; + *-*-cygwin* ) + lt_cv_to_host_file_cmd=func_convert_file_cygwin_to_w32 + ;; + * ) # otherwise, assume *nix + lt_cv_to_host_file_cmd=func_convert_file_nix_to_w32 + ;; + esac + ;; + *-*-cygwin* ) + case $build in + *-*-mingw* ) # actually msys + lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin + ;; + *-*-cygwin* ) + lt_cv_to_host_file_cmd=func_convert_file_noop + ;; + * ) # otherwise, assume *nix + lt_cv_to_host_file_cmd=func_convert_file_nix_to_cygwin + ;; + esac + ;; + * ) # unhandled hosts (and "normal" native builds) + lt_cv_to_host_file_cmd=func_convert_file_noop + ;; +esac +]) +to_host_file_cmd=$lt_cv_to_host_file_cmd +AC_MSG_RESULT([$lt_cv_to_host_file_cmd]) +_LT_DECL([to_host_file_cmd], [lt_cv_to_host_file_cmd], + [0], [convert $build file names to $host format])dnl + +AC_MSG_CHECKING([how to convert $build file names to toolchain format]) +AC_CACHE_VAL(lt_cv_to_tool_file_cmd, +[#assume ordinary cross tools, or native build. +lt_cv_to_tool_file_cmd=func_convert_file_noop +case $host in + *-*-mingw* ) + case $build in + *-*-mingw* ) # actually msys + lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32 + ;; + esac + ;; +esac +]) +to_tool_file_cmd=$lt_cv_to_tool_file_cmd +AC_MSG_RESULT([$lt_cv_to_tool_file_cmd]) +_LT_DECL([to_tool_file_cmd], [lt_cv_to_tool_file_cmd], + [0], [convert $build files to toolchain format])dnl +])# _LT_PATH_CONVERSION_FUNCTIONS diff --git a/config/m4/ltoptions.m4 b/config/m4/ltoptions.m4 new file mode 100644 index 0000000..17cfd51 --- /dev/null +++ b/config/m4/ltoptions.m4 @@ -0,0 +1,369 @@ +# Helper functions for option handling. -*- Autoconf -*- +# +# Copyright (C) 2004, 2005, 2007, 2008, 2009 Free Software Foundation, +# Inc. +# Written by Gary V. Vaughan, 2004 +# +# This file is free software; the Free Software Foundation gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. + +# serial 7 ltoptions.m4 + +# This is to help aclocal find these macros, as it can't see m4_define. +AC_DEFUN([LTOPTIONS_VERSION], [m4_if([1])]) + + +# _LT_MANGLE_OPTION(MACRO-NAME, OPTION-NAME) +# ------------------------------------------ +m4_define([_LT_MANGLE_OPTION], +[[_LT_OPTION_]m4_bpatsubst($1__$2, [[^a-zA-Z0-9_]], [_])]) + + +# _LT_SET_OPTION(MACRO-NAME, OPTION-NAME) +# --------------------------------------- +# Set option OPTION-NAME for macro MACRO-NAME, and if there is a +# matching handler defined, dispatch to it. Other OPTION-NAMEs are +# saved as a flag. +m4_define([_LT_SET_OPTION], +[m4_define(_LT_MANGLE_OPTION([$1], [$2]))dnl +m4_ifdef(_LT_MANGLE_DEFUN([$1], [$2]), + _LT_MANGLE_DEFUN([$1], [$2]), + [m4_warning([Unknown $1 option `$2'])])[]dnl +]) + + +# _LT_IF_OPTION(MACRO-NAME, OPTION-NAME, IF-SET, [IF-NOT-SET]) +# ------------------------------------------------------------ +# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise. +m4_define([_LT_IF_OPTION], +[m4_ifdef(_LT_MANGLE_OPTION([$1], [$2]), [$3], [$4])]) + + +# _LT_UNLESS_OPTIONS(MACRO-NAME, OPTION-LIST, IF-NOT-SET) +# ------------------------------------------------------- +# Execute IF-NOT-SET unless all options in OPTION-LIST for MACRO-NAME +# are set. +m4_define([_LT_UNLESS_OPTIONS], +[m4_foreach([_LT_Option], m4_split(m4_normalize([$2])), + [m4_ifdef(_LT_MANGLE_OPTION([$1], _LT_Option), + [m4_define([$0_found])])])[]dnl +m4_ifdef([$0_found], [m4_undefine([$0_found])], [$3 +])[]dnl +]) + + +# _LT_SET_OPTIONS(MACRO-NAME, OPTION-LIST) +# ---------------------------------------- +# OPTION-LIST is a space-separated list of Libtool options associated +# with MACRO-NAME. If any OPTION has a matching handler declared with +# LT_OPTION_DEFINE, dispatch to that macro; otherwise complain about +# the unknown option and exit. +m4_defun([_LT_SET_OPTIONS], +[# Set options +m4_foreach([_LT_Option], m4_split(m4_normalize([$2])), + [_LT_SET_OPTION([$1], _LT_Option)]) + +m4_if([$1],[LT_INIT],[ + dnl + dnl Simply set some default values (i.e off) if boolean options were not + dnl specified: + _LT_UNLESS_OPTIONS([LT_INIT], [dlopen], [enable_dlopen=no + ]) + _LT_UNLESS_OPTIONS([LT_INIT], [win32-dll], [enable_win32_dll=no + ]) + dnl + dnl If no reference was made to various pairs of opposing options, then + dnl we run the default mode handler for the pair. For example, if neither + dnl `shared' nor `disable-shared' was passed, we enable building of shared + dnl archives by default: + _LT_UNLESS_OPTIONS([LT_INIT], [shared disable-shared], [_LT_ENABLE_SHARED]) + _LT_UNLESS_OPTIONS([LT_INIT], [static disable-static], [_LT_ENABLE_STATIC]) + _LT_UNLESS_OPTIONS([LT_INIT], [pic-only no-pic], [_LT_WITH_PIC]) + _LT_UNLESS_OPTIONS([LT_INIT], [fast-install disable-fast-install], + [_LT_ENABLE_FAST_INSTALL]) + ]) +])# _LT_SET_OPTIONS + + +## --------------------------------- ## +## Macros to handle LT_INIT options. ## +## --------------------------------- ## + +# _LT_MANGLE_DEFUN(MACRO-NAME, OPTION-NAME) +# ----------------------------------------- +m4_define([_LT_MANGLE_DEFUN], +[[_LT_OPTION_DEFUN_]m4_bpatsubst(m4_toupper([$1__$2]), [[^A-Z0-9_]], [_])]) + + +# LT_OPTION_DEFINE(MACRO-NAME, OPTION-NAME, CODE) +# ----------------------------------------------- +m4_define([LT_OPTION_DEFINE], +[m4_define(_LT_MANGLE_DEFUN([$1], [$2]), [$3])[]dnl +])# LT_OPTION_DEFINE + + +# dlopen +# ------ +LT_OPTION_DEFINE([LT_INIT], [dlopen], [enable_dlopen=yes +]) + +AU_DEFUN([AC_LIBTOOL_DLOPEN], +[_LT_SET_OPTION([LT_INIT], [dlopen]) +AC_DIAGNOSE([obsolete], +[$0: Remove this warning and the call to _LT_SET_OPTION when you +put the `dlopen' option into LT_INIT's first parameter.]) +]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_DLOPEN], []) + + +# win32-dll +# --------- +# Declare package support for building win32 dll's. +LT_OPTION_DEFINE([LT_INIT], [win32-dll], +[enable_win32_dll=yes + +case $host in +*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-cegcc*) + AC_CHECK_TOOL(AS, as, false) + AC_CHECK_TOOL(DLLTOOL, dlltool, false) + AC_CHECK_TOOL(OBJDUMP, objdump, false) + ;; +esac + +test -z "$AS" && AS=as +_LT_DECL([], [AS], [1], [Assembler program])dnl + +test -z "$DLLTOOL" && DLLTOOL=dlltool +_LT_DECL([], [DLLTOOL], [1], [DLL creation program])dnl + +test -z "$OBJDUMP" && OBJDUMP=objdump +_LT_DECL([], [OBJDUMP], [1], [Object dumper program])dnl +])# win32-dll + +AU_DEFUN([AC_LIBTOOL_WIN32_DLL], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +_LT_SET_OPTION([LT_INIT], [win32-dll]) +AC_DIAGNOSE([obsolete], +[$0: Remove this warning and the call to _LT_SET_OPTION when you +put the `win32-dll' option into LT_INIT's first parameter.]) +]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_WIN32_DLL], []) + + +# _LT_ENABLE_SHARED([DEFAULT]) +# ---------------------------- +# implement the --enable-shared flag, and supports the `shared' and +# `disable-shared' LT_INIT options. +# DEFAULT is either `yes' or `no'. If omitted, it defaults to `yes'. +m4_define([_LT_ENABLE_SHARED], +[m4_define([_LT_ENABLE_SHARED_DEFAULT], [m4_if($1, no, no, yes)])dnl +AC_ARG_ENABLE([shared], + [AS_HELP_STRING([--enable-shared@<:@=PKGS@:>@], + [build shared libraries @<:@default=]_LT_ENABLE_SHARED_DEFAULT[@:>@])], + [p=${PACKAGE-default} + case $enableval in + yes) enable_shared=yes ;; + no) enable_shared=no ;; + *) + enable_shared=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," + for pkg in $enableval; do + IFS="$lt_save_ifs" + if test "X$pkg" = "X$p"; then + enable_shared=yes + fi + done + IFS="$lt_save_ifs" + ;; + esac], + [enable_shared=]_LT_ENABLE_SHARED_DEFAULT) + + _LT_DECL([build_libtool_libs], [enable_shared], [0], + [Whether or not to build shared libraries]) +])# _LT_ENABLE_SHARED + +LT_OPTION_DEFINE([LT_INIT], [shared], [_LT_ENABLE_SHARED([yes])]) +LT_OPTION_DEFINE([LT_INIT], [disable-shared], [_LT_ENABLE_SHARED([no])]) + +# Old names: +AC_DEFUN([AC_ENABLE_SHARED], +[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[shared]) +]) + +AC_DEFUN([AC_DISABLE_SHARED], +[_LT_SET_OPTION([LT_INIT], [disable-shared]) +]) + +AU_DEFUN([AM_ENABLE_SHARED], [AC_ENABLE_SHARED($@)]) +AU_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AM_ENABLE_SHARED], []) +dnl AC_DEFUN([AM_DISABLE_SHARED], []) + + + +# _LT_ENABLE_STATIC([DEFAULT]) +# ---------------------------- +# implement the --enable-static flag, and support the `static' and +# `disable-static' LT_INIT options. +# DEFAULT is either `yes' or `no'. If omitted, it defaults to `yes'. +m4_define([_LT_ENABLE_STATIC], +[m4_define([_LT_ENABLE_STATIC_DEFAULT], [m4_if($1, no, no, yes)])dnl +AC_ARG_ENABLE([static], + [AS_HELP_STRING([--enable-static@<:@=PKGS@:>@], + [build static libraries @<:@default=]_LT_ENABLE_STATIC_DEFAULT[@:>@])], + [p=${PACKAGE-default} + case $enableval in + yes) enable_static=yes ;; + no) enable_static=no ;; + *) + enable_static=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," + for pkg in $enableval; do + IFS="$lt_save_ifs" + if test "X$pkg" = "X$p"; then + enable_static=yes + fi + done + IFS="$lt_save_ifs" + ;; + esac], + [enable_static=]_LT_ENABLE_STATIC_DEFAULT) + + _LT_DECL([build_old_libs], [enable_static], [0], + [Whether or not to build static libraries]) +])# _LT_ENABLE_STATIC + +LT_OPTION_DEFINE([LT_INIT], [static], [_LT_ENABLE_STATIC([yes])]) +LT_OPTION_DEFINE([LT_INIT], [disable-static], [_LT_ENABLE_STATIC([no])]) + +# Old names: +AC_DEFUN([AC_ENABLE_STATIC], +[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[static]) +]) + +AC_DEFUN([AC_DISABLE_STATIC], +[_LT_SET_OPTION([LT_INIT], [disable-static]) +]) + +AU_DEFUN([AM_ENABLE_STATIC], [AC_ENABLE_STATIC($@)]) +AU_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AM_ENABLE_STATIC], []) +dnl AC_DEFUN([AM_DISABLE_STATIC], []) + + + +# _LT_ENABLE_FAST_INSTALL([DEFAULT]) +# ---------------------------------- +# implement the --enable-fast-install flag, and support the `fast-install' +# and `disable-fast-install' LT_INIT options. +# DEFAULT is either `yes' or `no'. If omitted, it defaults to `yes'. +m4_define([_LT_ENABLE_FAST_INSTALL], +[m4_define([_LT_ENABLE_FAST_INSTALL_DEFAULT], [m4_if($1, no, no, yes)])dnl +AC_ARG_ENABLE([fast-install], + [AS_HELP_STRING([--enable-fast-install@<:@=PKGS@:>@], + [optimize for fast installation @<:@default=]_LT_ENABLE_FAST_INSTALL_DEFAULT[@:>@])], + [p=${PACKAGE-default} + case $enableval in + yes) enable_fast_install=yes ;; + no) enable_fast_install=no ;; + *) + enable_fast_install=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," + for pkg in $enableval; do + IFS="$lt_save_ifs" + if test "X$pkg" = "X$p"; then + enable_fast_install=yes + fi + done + IFS="$lt_save_ifs" + ;; + esac], + [enable_fast_install=]_LT_ENABLE_FAST_INSTALL_DEFAULT) + +_LT_DECL([fast_install], [enable_fast_install], [0], + [Whether or not to optimize for fast installation])dnl +])# _LT_ENABLE_FAST_INSTALL + +LT_OPTION_DEFINE([LT_INIT], [fast-install], [_LT_ENABLE_FAST_INSTALL([yes])]) +LT_OPTION_DEFINE([LT_INIT], [disable-fast-install], [_LT_ENABLE_FAST_INSTALL([no])]) + +# Old names: +AU_DEFUN([AC_ENABLE_FAST_INSTALL], +[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[fast-install]) +AC_DIAGNOSE([obsolete], +[$0: Remove this warning and the call to _LT_SET_OPTION when you put +the `fast-install' option into LT_INIT's first parameter.]) +]) + +AU_DEFUN([AC_DISABLE_FAST_INSTALL], +[_LT_SET_OPTION([LT_INIT], [disable-fast-install]) +AC_DIAGNOSE([obsolete], +[$0: Remove this warning and the call to _LT_SET_OPTION when you put +the `disable-fast-install' option into LT_INIT's first parameter.]) +]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_ENABLE_FAST_INSTALL], []) +dnl AC_DEFUN([AM_DISABLE_FAST_INSTALL], []) + + +# _LT_WITH_PIC([MODE]) +# -------------------- +# implement the --with-pic flag, and support the `pic-only' and `no-pic' +# LT_INIT options. +# MODE is either `yes' or `no'. If omitted, it defaults to `both'. +m4_define([_LT_WITH_PIC], +[AC_ARG_WITH([pic], + [AS_HELP_STRING([--with-pic], + [try to use only PIC/non-PIC objects @<:@default=use both@:>@])], + [pic_mode="$withval"], + [pic_mode=default]) + +test -z "$pic_mode" && pic_mode=m4_default([$1], [default]) + +_LT_DECL([], [pic_mode], [0], [What type of objects to build])dnl +])# _LT_WITH_PIC + +LT_OPTION_DEFINE([LT_INIT], [pic-only], [_LT_WITH_PIC([yes])]) +LT_OPTION_DEFINE([LT_INIT], [no-pic], [_LT_WITH_PIC([no])]) + +# Old name: +AU_DEFUN([AC_LIBTOOL_PICMODE], +[_LT_SET_OPTION([LT_INIT], [pic-only]) +AC_DIAGNOSE([obsolete], +[$0: Remove this warning and the call to _LT_SET_OPTION when you +put the `pic-only' option into LT_INIT's first parameter.]) +]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_PICMODE], []) + +## ----------------- ## +## LTDL_INIT Options ## +## ----------------- ## + +m4_define([_LTDL_MODE], []) +LT_OPTION_DEFINE([LTDL_INIT], [nonrecursive], + [m4_define([_LTDL_MODE], [nonrecursive])]) +LT_OPTION_DEFINE([LTDL_INIT], [recursive], + [m4_define([_LTDL_MODE], [recursive])]) +LT_OPTION_DEFINE([LTDL_INIT], [subproject], + [m4_define([_LTDL_MODE], [subproject])]) + +m4_define([_LTDL_TYPE], []) +LT_OPTION_DEFINE([LTDL_INIT], [installable], + [m4_define([_LTDL_TYPE], [installable])]) +LT_OPTION_DEFINE([LTDL_INIT], [convenience], + [m4_define([_LTDL_TYPE], [convenience])]) diff --git a/config/m4/ltsugar.m4 b/config/m4/ltsugar.m4 new file mode 100644 index 0000000..9000a05 --- /dev/null +++ b/config/m4/ltsugar.m4 @@ -0,0 +1,123 @@ +# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*- +# +# Copyright (C) 2004, 2005, 2007, 2008 Free Software Foundation, Inc. +# Written by Gary V. Vaughan, 2004 +# +# This file is free software; the Free Software Foundation gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. + +# serial 6 ltsugar.m4 + +# This is to help aclocal find these macros, as it can't see m4_define. +AC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])]) + + +# lt_join(SEP, ARG1, [ARG2...]) +# ----------------------------- +# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their +# associated separator. +# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier +# versions in m4sugar had bugs. +m4_define([lt_join], +[m4_if([$#], [1], [], + [$#], [2], [[$2]], + [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])]) +m4_define([_lt_join], +[m4_if([$#$2], [2], [], + [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])]) + + +# lt_car(LIST) +# lt_cdr(LIST) +# ------------ +# Manipulate m4 lists. +# These macros are necessary as long as will still need to support +# Autoconf-2.59 which quotes differently. +m4_define([lt_car], [[$1]]) +m4_define([lt_cdr], +[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], + [$#], 1, [], + [m4_dquote(m4_shift($@))])]) +m4_define([lt_unquote], $1) + + +# lt_append(MACRO-NAME, STRING, [SEPARATOR]) +# ------------------------------------------ +# Redefine MACRO-NAME to hold its former content plus `SEPARATOR'`STRING'. +# Note that neither SEPARATOR nor STRING are expanded; they are appended +# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked). +# No SEPARATOR is output if MACRO-NAME was previously undefined (different +# than defined and empty). +# +# This macro is needed until we can rely on Autoconf 2.62, since earlier +# versions of m4sugar mistakenly expanded SEPARATOR but not STRING. +m4_define([lt_append], +[m4_define([$1], + m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])]) + + + +# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...]) +# ---------------------------------------------------------- +# Produce a SEP delimited list of all paired combinations of elements of +# PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list +# has the form PREFIXmINFIXSUFFIXn. +# Needed until we can rely on m4_combine added in Autoconf 2.62. +m4_define([lt_combine], +[m4_if(m4_eval([$# > 3]), [1], + [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl +[[m4_foreach([_Lt_prefix], [$2], + [m4_foreach([_Lt_suffix], + ]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[, + [_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])]) + + +# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ]) +# ----------------------------------------------------------------------- +# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited +# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ. +m4_define([lt_if_append_uniq], +[m4_ifdef([$1], + [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1], + [lt_append([$1], [$2], [$3])$4], + [$5])], + [lt_append([$1], [$2], [$3])$4])]) + + +# lt_dict_add(DICT, KEY, VALUE) +# ----------------------------- +m4_define([lt_dict_add], +[m4_define([$1($2)], [$3])]) + + +# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE) +# -------------------------------------------- +m4_define([lt_dict_add_subkey], +[m4_define([$1($2:$3)], [$4])]) + + +# lt_dict_fetch(DICT, KEY, [SUBKEY]) +# ---------------------------------- +m4_define([lt_dict_fetch], +[m4_ifval([$3], + m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]), + m4_ifdef([$1($2)], [m4_defn([$1($2)])]))]) + + +# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE]) +# ----------------------------------------------------------------- +m4_define([lt_if_dict_fetch], +[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4], + [$5], + [$6])]) + + +# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...]) +# -------------------------------------------------------------- +m4_define([lt_dict_filter], +[m4_if([$5], [], [], + [lt_join(m4_quote(m4_default([$4], [[, ]])), + lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]), + [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl +]) diff --git a/config/m4/ltversion.m4 b/config/m4/ltversion.m4 new file mode 100644 index 0000000..9c7b5d4 --- /dev/null +++ b/config/m4/ltversion.m4 @@ -0,0 +1,23 @@ +# ltversion.m4 -- version numbers -*- Autoconf -*- +# +# Copyright (C) 2004 Free Software Foundation, Inc. +# Written by Scott James Remnant, 2004 +# +# This file is free software; the Free Software Foundation gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. + +# @configure_input@ + +# serial 3293 ltversion.m4 +# This file is part of GNU Libtool + +m4_define([LT_PACKAGE_VERSION], [2.4]) +m4_define([LT_PACKAGE_REVISION], [1.3293]) + +AC_DEFUN([LTVERSION_VERSION], +[macro_version='2.4' +macro_revision='1.3293' +_LT_DECL(, macro_version, 0, [Which release of libtool.m4 was used?]) +_LT_DECL(, macro_revision, 0) +]) diff --git a/config/m4/lt~obsolete.m4 b/config/m4/lt~obsolete.m4 new file mode 100644 index 0000000..c573da9 --- /dev/null +++ b/config/m4/lt~obsolete.m4 @@ -0,0 +1,98 @@ +# lt~obsolete.m4 -- aclocal satisfying obsolete definitions. -*-Autoconf-*- +# +# Copyright (C) 2004, 2005, 2007, 2009 Free Software Foundation, Inc. +# Written by Scott James Remnant, 2004. +# +# This file is free software; the Free Software Foundation gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. + +# serial 5 lt~obsolete.m4 + +# These exist entirely to fool aclocal when bootstrapping libtool. +# +# In the past libtool.m4 has provided macros via AC_DEFUN (or AU_DEFUN) +# which have later been changed to m4_define as they aren't part of the +# exported API, or moved to Autoconf or Automake where they belong. +# +# The trouble is, aclocal is a bit thick. It'll see the old AC_DEFUN +# in /usr/share/aclocal/libtool.m4 and remember it, then when it sees us +# using a macro with the same name in our local m4/libtool.m4 it'll +# pull the old libtool.m4 in (it doesn't see our shiny new m4_define +# and doesn't know about Autoconf macros at all.) +# +# So we provide this file, which has a silly filename so it's always +# included after everything else. This provides aclocal with the +# AC_DEFUNs it wants, but when m4 processes it, it doesn't do anything +# because those macros already exist, or will be overwritten later. +# We use AC_DEFUN over AU_DEFUN for compatibility with aclocal-1.6. +# +# Anytime we withdraw an AC_DEFUN or AU_DEFUN, remember to add it here. +# Yes, that means every name once taken will need to remain here until +# we give up compatibility with versions before 1.7, at which point +# we need to keep only those names which we still refer to. + +# This is to help aclocal find these macros, as it can't see m4_define. +AC_DEFUN([LTOBSOLETE_VERSION], [m4_if([1])]) + +m4_ifndef([AC_LIBTOOL_LINKER_OPTION], [AC_DEFUN([AC_LIBTOOL_LINKER_OPTION])]) +m4_ifndef([AC_PROG_EGREP], [AC_DEFUN([AC_PROG_EGREP])]) +m4_ifndef([_LT_AC_PROG_ECHO_BACKSLASH], [AC_DEFUN([_LT_AC_PROG_ECHO_BACKSLASH])]) +m4_ifndef([_LT_AC_SHELL_INIT], [AC_DEFUN([_LT_AC_SHELL_INIT])]) +m4_ifndef([_LT_AC_SYS_LIBPATH_AIX], [AC_DEFUN([_LT_AC_SYS_LIBPATH_AIX])]) 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"${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi + + +as_nl=' +' +export as_nl +# Printing a long string crashes Solaris 7 /usr/bin/printf. +as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo +# Prefer a ksh shell builtin over an external printf program on Solaris, +# but without wasting forks for bash or zsh. +if test -z "$BASH_VERSION$ZSH_VERSION" \ + && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='print -r --' + as_echo_n='print -rn --' +elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='printf %s\n' + as_echo_n='printf %s' +else + if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then + as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"' + as_echo_n='/usr/ucb/echo -n' + else + as_echo_body='eval expr "X$1" : "X\\(.*\\)"' + as_echo_n_body='eval + arg=$1; + case $arg in #( + *"$as_nl"*) + expr "X$arg" : "X\\(.*\\)$as_nl"; + arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;; + esac; + expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl" + ' + export as_echo_n_body + as_echo_n='sh -c $as_echo_n_body as_echo' + fi + export as_echo_body + as_echo='sh -c $as_echo_body as_echo' +fi + +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } +fi + + +# IFS +# We need space, tab and new line, in precisely that order. Quoting is +# there to prevent editors from complaining about space-tab. +# (If _AS_PATH_WALK were called with IFS unset, it would disable word +# splitting by setting IFS to empty value.) +IFS=" "" $as_nl" + +# Find who we are. Look in the path if we contain no directory separator. +as_myself= +case $0 in #(( + *[\\/]* ) as_myself=$0 ;; + *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break + done +IFS=$as_save_IFS + + ;; +esac +# We did not find ourselves, most probably we were run as `sh COMMAND' +# in which case we are not to be found in the path. +if test "x$as_myself" = x; then + as_myself=$0 +fi +if test ! -f "$as_myself"; then + $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 exit 1 fi -echo -n "checking package name... " -PACKAGE_NAME='ltrace' -echo $PACKAGE_NAME +# Unset variables that we do not need and which cause bugs (e.g. in +# pre-3.0 UWIN ksh). But do not cause bugs in bash 2.01; the "|| exit 1" +# suppresses any "Segmentation fault" message there. '((' could +# trigger a bug in pdksh 5.2.14. +for as_var in BASH_ENV ENV MAIL MAILPATH +do eval test x\${$as_var+set} = xset \ + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : +done +PS1='$ ' +PS2='> ' +PS4='+ ' -echo -n "checking $PACKAGE_NAME version... " -PACKAGE_VERSION=$( cat VERSION ) -echo $PACKAGE_VERSION +# NLS nuisances. +LC_ALL=C +export LC_ALL +LANGUAGE=C +export LANGUAGE -echo -n "checking HOST_OS... " -HOST_OS=$( uname -s ) -if [ "$HOST_OS" = "Linux" ] -then - HOST_OS="linux-gnu" +# CDPATH. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +if test "x$CONFIG_SHELL" = x; then + as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which + # is contrary to our usage. Disable this feature. + alias -g '\${1+\"\$@\"}'='\"\$@\"' + setopt NO_GLOB_SUBST +else + case \`(set -o) 2>/dev/null\` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac fi -echo $HOST_OS +" + as_required="as_fn_return () { (exit \$1); } +as_fn_success () { as_fn_return 0; } +as_fn_failure () { as_fn_return 1; } +as_fn_ret_success () { return 0; } +as_fn_ret_failure () { return 1; } + +exitcode=0 +as_fn_success || { exitcode=1; echo as_fn_success failed.; } +as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; } +as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; } +as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; } +if ( set x; as_fn_ret_success y && test x = \"\$1\" ); then : -# HAVE_LIBIBERTY -echo -n "checking for cplus_demangle in -liberty... " -cat > conftest.c << EOF -char cplus_demangle(); -int main () { - return cplus_demangle(); -} -EOF -if gcc conftest.c -liberty 2>/dev/null -then - HAVE_LIBIBERTY=1 - echo "yes" else - unset HAVE_LIBIBERTY - echo "no" + exitcode=1; echo positional parameters were not saved. fi -rm -f conftest.c a.out +test x\$exitcode = x0 || exit 1" + as_suggested=" as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO + as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO + eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" && + test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1 -# HAVE_LIBSUPC__ -echo -n "checking for __cxa_demangle in -lsupc++... " -cat > conftest.c << EOF -char __cxa_demangle(); -int main () { - return __cxa_demangle(); + test -n \"\${ZSH_VERSION+set}\${BASH_VERSION+set}\" || ( + ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' + ECHO=\$ECHO\$ECHO\$ECHO\$ECHO\$ECHO + ECHO=\$ECHO\$ECHO\$ECHO\$ECHO\$ECHO\$ECHO + PATH=/empty FPATH=/empty; export PATH FPATH + test \"X\`printf %s \$ECHO\`\" = \"X\$ECHO\" \\ + || test \"X\`print -r -- \$ECHO\`\" = \"X\$ECHO\" ) || exit 1 +test \$(( 1 + 1 )) = 2 || exit 1" + if (eval "$as_required") 2>/dev/null; then : + as_have_required=yes +else + as_have_required=no +fi + if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null; then : + +else + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +as_found=false +for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + as_found=: + case $as_dir in #( + /*) + for as_base in sh bash ksh sh5; do + # Try only shells that exist, to save several forks. + as_shell=$as_dir/$as_base + if { test -f "$as_shell" || test -f "$as_shell.exe"; } && + { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$as_shell"; } 2>/dev/null; then : + CONFIG_SHELL=$as_shell as_have_required=yes + if { $as_echo "$as_bourne_compatible""$as_suggested" | as_run=a "$as_shell"; } 2>/dev/null; then : + break 2 +fi +fi + done;; + esac + as_found=false +done +$as_found || { if { test -f "$SHELL" || test -f "$SHELL.exe"; } && + { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$SHELL"; } 2>/dev/null; then : + CONFIG_SHELL=$SHELL as_have_required=yes +fi; } +IFS=$as_save_IFS + + + if test "x$CONFIG_SHELL" != x; then : + # We cannot yet assume a decent shell, so we have to provide a + # neutralization value for shells without unset; and this also + # works around shells that cannot unset nonexistent variables. + # Preserve -v and -x to the replacement shell. + BASH_ENV=/dev/null + ENV=/dev/null + (unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV + export CONFIG_SHELL + case $- in # (((( + *v*x* | *x*v* ) as_opts=-vx ;; + *v* ) as_opts=-v ;; + *x* ) as_opts=-x ;; + * ) as_opts= ;; + esac + exec "$CONFIG_SHELL" $as_opts "$as_myself" ${1+"$@"} +fi + + if test x$as_have_required = xno; then : + $as_echo "$0: This script requires a shell more modern than all" + $as_echo "$0: the shells that I found on your system." + if test x${ZSH_VERSION+set} = xset ; then + $as_echo "$0: In particular, zsh $ZSH_VERSION has bugs and should" + $as_echo "$0: be upgraded to zsh 4.3.4 or later." + else + $as_echo "$0: Please tell bug-autoconf@gnu.org and +$0: ltrace-devel@lists.alioth.debian.org about your system, +$0: including any error possibly output before this +$0: message. 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"cannot create directory $as_dir" + + +} # as_fn_mkdir_p +# as_fn_append VAR VALUE +# ---------------------- +# Append the text in VALUE to the end of the definition contained in VAR. Take +# advantage of any shell optimizations that allow amortized linear growth over +# repeated appends, instead of the typical quadratic growth present in naive +# implementations. +if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then : + eval 'as_fn_append () + { + eval $1+=\$2 + }' +else + as_fn_append () + { + eval $1=\$$1\$2 + } +fi # as_fn_append + +# as_fn_arith ARG... +# ------------------ +# Perform arithmetic evaluation on the ARGs, and store the result in the +# global $as_val. Take advantage of shells that can avoid forks. The arguments +# must be portable across $(()) and expr. +if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then : + eval 'as_fn_arith () + { + as_val=$(( $* )) + }' +else + as_fn_arith () + { + as_val=`expr "$@" || test $? -eq 1` + } +fi # as_fn_arith + + +# as_fn_error STATUS ERROR [LINENO LOG_FD] +# ---------------------------------------- +# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are +# provided, also output the error to LOG_FD, referencing LINENO. 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" -cat > conftest.c << EOF -#include -int main () { - Elf *elf = elf_begin (4, ELF_C_READ_MMAP, 0); - return 0; +if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then + as_basename=basename +else + as_basename=false +fi + +if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then + as_dirname=dirname +else + as_dirname=false +fi + +as_me=`$as_basename -- "$0" || +$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \ + X"$0" : 'X\(//\)$' \| \ + X"$0" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X/"$0" | + sed '/^.*\/\([^/][^/]*\)\/*$/{ + s//\1/ + q + } + /^X\/\(\/\/\)$/{ + s//\1/ + q + } + /^X\/\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + +# Avoid depending upon Character Ranges. +as_cr_letters='abcdefghijklmnopqrstuvwxyz' +as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ' +as_cr_Letters=$as_cr_letters$as_cr_LETTERS +as_cr_digits='0123456789' +as_cr_alnum=$as_cr_Letters$as_cr_digits + + + as_lineno_1=$LINENO as_lineno_1a=$LINENO + as_lineno_2=$LINENO as_lineno_2a=$LINENO + eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" && + test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || { + # Blame Lee E. McMahon (1931-1989) for sed's syntax. :-) + sed -n ' + p + /[$]LINENO/= + ' <$as_myself | + sed ' + s/[$]LINENO.*/&-/ + t lineno + b + :lineno + N + :loop + s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/ + t loop + s/-\n.*// + ' >$as_me.lineno && + chmod +x "$as_me.lineno" || + { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; } + + # Don't try to exec as it changes $[0], causing all sort of problems + # (the dirname of $[0] is not the place where we might find the + # original and so on. Autoconf is especially sensitive to this). + . "./$as_me.lineno" + # Exit status is that of the last command. + exit } -EOF -if gcc conftest.c 2>/dev/null -then - HAVE_ELF_C_READ_MMAP=1 - echo "yes" + +ECHO_C= ECHO_N= ECHO_T= +case `echo -n x` in #((((( +-n*) + case `echo 'xy\c'` in + *c*) ECHO_T=' ';; # ECHO_T is single tab character. + xy) ECHO_C='\c';; + *) echo `echo ksh88 bug on AIX 6.1` > /dev/null + ECHO_T=' ';; + esac;; +*) + ECHO_N='-n';; +esac + +rm -f conf$$ conf$$.exe conf$$.file +if test -d conf$$.dir; then + rm -f conf$$.dir/conf$$.file +else + rm -f conf$$.dir + mkdir conf$$.dir 2>/dev/null +fi +if (echo >conf$$.file) 2>/dev/null; then + if ln -s conf$$.file conf$$ 2>/dev/null; then + as_ln_s='ln -s' + # ... but there are two gotchas: + # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail. + # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable. + # In both cases, we have to default to `cp -p'. + ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe || + as_ln_s='cp -p' + elif ln 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" >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_CC="${ac_tool_prefix}gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_CC"; then + ac_ct_CC=$CC + # Extract the first word of "gcc", so it can be a program name with args. +set dummy gcc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_CC="gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +else + CC="$ac_cv_prog_CC" +fi + +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args. +set dummy ${ac_tool_prefix}cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_CC="${ac_tool_prefix}cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + fi +fi +if test -z "$CC"; then + # Extract the first word of "cc", so it can be a program name with args. +set dummy cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else + ac_prog_rejected=no +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then + ac_prog_rejected=yes + continue + fi + ac_cv_prog_CC="cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +if test $ac_prog_rejected = yes; then + # We found a bogon in the path, so make sure we never use it. + set dummy $ac_cv_prog_CC + shift + if test $# != 0; then + # We chose a different compiler from the bogus one. + # However, it has the same basename, so the bogon will be chosen + # first if we set CC to just the basename; use the full file name. + shift + ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@" + fi +fi +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + for ac_prog in cl.exe + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_CC="$ac_tool_prefix$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$CC" && break + done +fi +if test -z "$CC"; then + ac_ct_CC=$CC + for ac_prog in cl.exe +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_CC="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$ac_ct_CC" && break +done + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +fi + +fi + + +test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "no acceptable C compiler found in \$PATH +See \`config.log' for more details" "$LINENO" 5; } + +# Provide some information about the compiler. +$as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5 +set X $ac_compile +ac_compiler=$2 +for ac_option in --version -v -V -qversion; do + { { ac_try="$ac_compiler $ac_option >&5" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_compiler $ac_option >&5") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + sed '10a\ +... rest of stderr output deleted ... + 10q' conftest.err >conftest.er1 + cat conftest.er1 >&5 + fi + rm -f conftest.er1 conftest.err + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } +done + +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +ac_clean_files_save=$ac_clean_files +ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out" +# Try to create an executable without -o first, disregard a.out. +# It will help us diagnose broken compilers, and finding out an intuition +# of exeext. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5 +$as_echo_n "checking whether the C compiler works... " >&6; } +ac_link_default=`$as_echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'` + +# The possible output files: +ac_files="a.out conftest.exe conftest a.exe a_out.exe b.out conftest.*" + +ac_rmfiles= +for ac_file in $ac_files +do + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;; + * ) ac_rmfiles="$ac_rmfiles $ac_file";; + esac +done +rm -f $ac_rmfiles + +if { { ac_try="$ac_link_default" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_link_default") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then : + # Autoconf-2.13 could set the ac_cv_exeext variable to `no'. +# So ignore a value of `no', otherwise this would lead to `EXEEXT = no' +# in a Makefile. We should not override ac_cv_exeext if it was cached, +# so that the user can short-circuit this test for compilers unknown to +# Autoconf. +for ac_file in $ac_files '' +do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) + ;; + [ab].out ) + # We found the default executable, but exeext='' is most + # certainly right. + break;; + *.* ) + if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no; + then :; else + ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + fi + # We set ac_cv_exeext here because the later test for it is not + # safe: cross compilers may not add the suffix if given an `-o' + # argument, so we may need to know it at that point already. + # Even if this section looks crufty: it has the advantage of + # actually working. + break;; + * ) + break;; + esac +done +test "$ac_cv_exeext" = no && ac_cv_exeext= + +else + ac_file='' +fi +if test -z "$ac_file"; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +$as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error 77 "C compiler cannot create executables +See \`config.log' for more details" "$LINENO" 5; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5 +$as_echo_n "checking for C compiler default output file name... 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For instance with Cygwin, `ls conftest' will +# work properly (i.e., refer to `conftest.exe'), while it won't with +# `rm'. +for ac_file in conftest.exe conftest conftest.*; do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;; + *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + break;; + * ) break;; + esac +done +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot compute suffix of executables: cannot compile and link +See \`config.log' for more details" "$LINENO" 5; } +fi +rm -f conftest conftest$ac_cv_exeext +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5 +$as_echo "$ac_cv_exeext" >&6; } + +rm -f conftest.$ac_ext +EXEEXT=$ac_cv_exeext +ac_exeext=$EXEEXT +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +int +main () +{ +FILE *f = fopen ("conftest.out", "w"); + return ferror (f) || fclose (f) != 0; + + ; + return 0; +} +_ACEOF +ac_clean_files="$ac_clean_files conftest.out" +# Check that the compiler produces executables we can run. If not, either +# the compiler is broken, or we cross compile. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5 +$as_echo_n "checking whether we are cross compiling... " >&6; } +if test "$cross_compiling" != yes; then + { { ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_link") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + if { ac_try='./conftest$ac_cv_exeext' + { { case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_try") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then + cross_compiling=no + else + if test "$cross_compiling" = maybe; then + cross_compiling=yes + else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot run C compiled programs. +If you meant to cross compile, use \`--host'. +See \`config.log' for more details" "$LINENO" 5; } + fi + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5 +$as_echo "$cross_compiling" >&6; } + +rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out +ac_clean_files=$ac_clean_files_save +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5 +$as_echo_n "checking for suffix of object files... " >&6; } +if ${ac_cv_objext+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.o conftest.obj +if { { ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_compile") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then : + for ac_file in conftest.o conftest.obj conftest.*; do + test -f "$ac_file" || continue; + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM ) ;; + *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'` + break;; + esac +done +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot compute suffix of object files: cannot compile +See \`config.log' for more details" "$LINENO" 5; } +fi +rm -f conftest.$ac_cv_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5 +$as_echo "$ac_cv_objext" >&6; } +OBJEXT=$ac_cv_objext +ac_objext=$OBJEXT +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5 +$as_echo_n "checking whether we are using the GNU C compiler... " >&6; } +if ${ac_cv_c_compiler_gnu+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ +#ifndef __GNUC__ + choke me +#endif + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_compiler_gnu=yes +else + ac_compiler_gnu=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +ac_cv_c_compiler_gnu=$ac_compiler_gnu + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5 +$as_echo "$ac_cv_c_compiler_gnu" >&6; } +if test $ac_compiler_gnu = yes; then + GCC=yes +else + GCC= +fi +ac_test_CFLAGS=${CFLAGS+set} +ac_save_CFLAGS=$CFLAGS +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5 +$as_echo_n "checking whether $CC accepts -g... " >&6; } +if ${ac_cv_prog_cc_g+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_save_c_werror_flag=$ac_c_werror_flag + ac_c_werror_flag=yes + ac_cv_prog_cc_g=no + CFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_g=yes +else + CFLAGS="" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + +else + ac_c_werror_flag=$ac_save_c_werror_flag + CFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_g=yes +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + ac_c_werror_flag=$ac_save_c_werror_flag +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5 +$as_echo "$ac_cv_prog_cc_g" >&6; } +if test "$ac_test_CFLAGS" = set; then + CFLAGS=$ac_save_CFLAGS +elif test $ac_cv_prog_cc_g = yes; then + if test "$GCC" = yes; then + CFLAGS="-g -O2" + else + CFLAGS="-g" + fi +else + if test "$GCC" = yes; then + CFLAGS="-O2" + else + CFLAGS= + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5 +$as_echo_n "checking for $CC option to accept ISO C89... " >&6; } +if ${ac_cv_prog_cc_c89+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_cv_prog_cc_c89=no +ac_save_CC=$CC +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#include +#include +/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */ +struct buf { int x; }; +FILE * (*rcsopen) (struct buf *, struct stat *, int); +static char *e (p, i) + char **p; + int i; +{ + return p[i]; +} +static char *f (char * (*g) (char **, int), char **p, ...) +{ + char *s; + va_list v; + va_start (v,p); + s = g (p, va_arg (v,int)); + va_end (v); + return s; +} + +/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default. It has + function prototypes and stuff, but not '\xHH' hex character constants. + These don't provoke an error unfortunately, instead are silently treated + as 'x'. The following induces an error, until -std is added to get + proper ANSI mode. Curiously '\x00'!='x' always comes out true, for an + array size at least. It's necessary to write '\x00'==0 to get something + that's true only with -std. */ +int osf4_cc_array ['\x00' == 0 ? 1 : -1]; + +/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters + inside strings and character constants. */ +#define FOO(x) 'x' +int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1]; + +int test (int i, double x); +struct s1 {int (*f) (int a);}; +struct s2 {int (*f) (double a);}; +int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int); +int argc; +char **argv; +int +main () +{ +return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]; + ; + return 0; +} +_ACEOF +for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \ + -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__" +do + CC="$ac_save_CC $ac_arg" + if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_c89=$ac_arg +fi +rm -f core conftest.err conftest.$ac_objext + test "x$ac_cv_prog_cc_c89" != "xno" && break +done +rm -f conftest.$ac_ext +CC=$ac_save_CC + +fi +# AC_CACHE_VAL +case "x$ac_cv_prog_cc_c89" in + x) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5 +$as_echo "none needed" >&6; } ;; + xno) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5 +$as_echo "unsupported" >&6; } ;; + *) + CC="$CC $ac_cv_prog_cc_c89" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5 +$as_echo "$ac_cv_prog_cc_c89" >&6; } ;; +esac +if test "x$ac_cv_prog_cc_c89" != xno; then : + +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +case `pwd` in + *\ * | *\ *) + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Libtool does not cope well with whitespace in \`pwd\`" >&5 +$as_echo "$as_me: WARNING: Libtool does not cope well with whitespace in \`pwd\`" >&2;} ;; +esac + + + +macro_version='2.4' +macro_revision='1.3293' + + + + + + + + + + + + + +ltmain="$ac_aux_dir/ltmain.sh" + +# Backslashify metacharacters that are still active within +# double-quoted strings. +sed_quote_subst='s/\(["`$\\]\)/\\\1/g' + +# Same as above, but do not quote variable references. +double_quote_subst='s/\(["`\\]\)/\\\1/g' + +# Sed substitution to delay expansion of an escaped shell variable in a +# double_quote_subst'ed string. +delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g' + +# Sed substitution to delay expansion of an escaped single quote. +delay_single_quote_subst='s/'\''/'\'\\\\\\\'\''/g' + +# Sed substitution to avoid accidental globbing in evaled expressions +no_glob_subst='s/\*/\\\*/g' + +ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO +ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO$ECHO + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to print strings" >&5 +$as_echo_n "checking how to print strings... " >&6; } +# Test print first, because it will be a builtin if present. +if test "X`( print -r -- -n ) 2>/dev/null`" = X-n && \ + test "X`print -r -- $ECHO 2>/dev/null`" = "X$ECHO"; then + ECHO='print -r --' +elif test "X`printf %s $ECHO 2>/dev/null`" = "X$ECHO"; then + ECHO='printf %s\n' +else + # Use this function as a fallback that always works. + func_fallback_echo () + { + eval 'cat <<_LTECHO_EOF +$1 +_LTECHO_EOF' + } + ECHO='func_fallback_echo' +fi + +# func_echo_all arg... +# Invoke $ECHO with all args, space-separated. +func_echo_all () +{ + $ECHO "" +} + +case "$ECHO" in + printf*) { $as_echo "$as_me:${as_lineno-$LINENO}: result: printf" >&5 +$as_echo "printf" >&6; } ;; + print*) { $as_echo "$as_me:${as_lineno-$LINENO}: result: print -r" >&5 +$as_echo "print -r" >&6; } ;; + *) { $as_echo "$as_me:${as_lineno-$LINENO}: result: cat" >&5 +$as_echo "cat" >&6; } ;; +esac + + + + + + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a sed that does not truncate output" >&5 +$as_echo_n "checking for a sed that does not truncate output... " >&6; } +if ${ac_cv_path_SED+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/ + for ac_i in 1 2 3 4 5 6 7; do + ac_script="$ac_script$as_nl$ac_script" + done + echo "$ac_script" 2>/dev/null | sed 99q >conftest.sed + { ac_script=; unset ac_script;} + if test -z "$SED"; then + ac_path_SED_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in sed gsed; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_SED="$as_dir/$ac_prog$ac_exec_ext" + { test -f "$ac_path_SED" && $as_test_x "$ac_path_SED"; } || continue +# Check for GNU ac_path_SED and select it if it is found. + # Check for GNU $ac_path_SED +case `"$ac_path_SED" --version 2>&1` in +*GNU*) + ac_cv_path_SED="$ac_path_SED" ac_path_SED_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo '' >> "conftest.nl" + "$ac_path_SED" -f conftest.sed < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_SED_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_SED="$ac_path_SED" + ac_path_SED_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_SED_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_SED"; then + as_fn_error $? "no acceptable sed could be found in \$PATH" "$LINENO" 5 + fi +else + ac_cv_path_SED=$SED +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_SED" >&5 +$as_echo "$ac_cv_path_SED" >&6; } + SED="$ac_cv_path_SED" + rm -f conftest.sed + +test -z "$SED" && SED=sed +Xsed="$SED -e 1s/^X//" + + + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5 +$as_echo_n "checking for grep that handles long lines and -e... " >&6; } +if ${ac_cv_path_GREP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -z "$GREP"; then + ac_path_GREP_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in grep ggrep; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext" + { test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue +# Check for GNU ac_path_GREP and select it if it is found. + # Check for GNU $ac_path_GREP +case `"$ac_path_GREP" --version 2>&1` in +*GNU*) + ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo 'GREP' >> "conftest.nl" + "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_GREP_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_GREP="$ac_path_GREP" + ac_path_GREP_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_GREP_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_GREP"; then + as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi +else + ac_cv_path_GREP=$GREP +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5 +$as_echo "$ac_cv_path_GREP" >&6; } + GREP="$ac_cv_path_GREP" + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5 +$as_echo_n "checking for egrep... " >&6; } +if ${ac_cv_path_EGREP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if echo a | $GREP -E '(a|b)' >/dev/null 2>&1 + then ac_cv_path_EGREP="$GREP -E" + else + if test -z "$EGREP"; then + ac_path_EGREP_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in egrep; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext" + { test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue +# Check for GNU ac_path_EGREP and select it if it is found. + # Check for GNU $ac_path_EGREP +case `"$ac_path_EGREP" --version 2>&1` in +*GNU*) + ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo 'EGREP' >> "conftest.nl" + "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_EGREP_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_EGREP="$ac_path_EGREP" + ac_path_EGREP_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_EGREP_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_EGREP"; then + as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi +else + ac_cv_path_EGREP=$EGREP +fi + + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5 +$as_echo "$ac_cv_path_EGREP" >&6; } + EGREP="$ac_cv_path_EGREP" + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for fgrep" >&5 +$as_echo_n "checking for fgrep... " >&6; } +if ${ac_cv_path_FGREP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if echo 'ab*c' | $GREP -F 'ab*c' >/dev/null 2>&1 + then ac_cv_path_FGREP="$GREP -F" + else + if test -z "$FGREP"; then + ac_path_FGREP_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in fgrep; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_FGREP="$as_dir/$ac_prog$ac_exec_ext" + { test -f "$ac_path_FGREP" && $as_test_x "$ac_path_FGREP"; } || continue +# Check for GNU ac_path_FGREP and select it if it is found. + # Check for GNU $ac_path_FGREP +case `"$ac_path_FGREP" --version 2>&1` in +*GNU*) + ac_cv_path_FGREP="$ac_path_FGREP" ac_path_FGREP_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo 'FGREP' >> "conftest.nl" + "$ac_path_FGREP" FGREP < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_FGREP_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_FGREP="$ac_path_FGREP" + ac_path_FGREP_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_FGREP_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_FGREP"; then + as_fn_error $? "no acceptable fgrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi +else + ac_cv_path_FGREP=$FGREP +fi + + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_FGREP" >&5 +$as_echo "$ac_cv_path_FGREP" >&6; } + FGREP="$ac_cv_path_FGREP" + + +test -z "$GREP" && GREP=grep + + + + + + + + + + + + + + + + + + + +# Check whether --with-gnu-ld was given. +if test "${with_gnu_ld+set}" = set; then : + withval=$with_gnu_ld; test "$withval" = no || with_gnu_ld=yes +else + with_gnu_ld=no +fi + +ac_prog=ld +if test "$GCC" = yes; then + # Check if gcc -print-prog-name=ld gives a path. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld used by $CC" >&5 +$as_echo_n "checking for ld used by $CC... " >&6; } + case $host in + *-*-mingw*) + # gcc leaves a trailing carriage return which upsets mingw + ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;; + *) + ac_prog=`($CC -print-prog-name=ld) 2>&5` ;; + esac + case $ac_prog in + # Accept absolute paths. + [\\/]* | ?:[\\/]*) + re_direlt='/[^/][^/]*/\.\./' + # Canonicalize the pathname of ld + ac_prog=`$ECHO "$ac_prog"| $SED 's%\\\\%/%g'` + while $ECHO "$ac_prog" | $GREP "$re_direlt" > /dev/null 2>&1; do + ac_prog=`$ECHO $ac_prog| $SED "s%$re_direlt%/%"` + done + test -z "$LD" && LD="$ac_prog" + ;; + "") + # If it fails, then pretend we aren't using GCC. + ac_prog=ld + ;; + *) + # If it is relative, then search for the first ld in PATH. + with_gnu_ld=unknown + ;; + esac +elif test "$with_gnu_ld" = yes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNU ld" >&5 +$as_echo_n "checking for GNU ld... " >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for non-GNU ld" >&5 +$as_echo_n "checking for non-GNU ld... " >&6; } +fi +if ${lt_cv_path_LD+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -z "$LD"; then + lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR + for ac_dir in $PATH; do + IFS="$lt_save_ifs" + test -z "$ac_dir" && ac_dir=. + if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then + lt_cv_path_LD="$ac_dir/$ac_prog" + # Check to see if the program is GNU ld. I'd rather use --version, + # but apparently some variants of GNU ld only accept -v. + # Break only if it was the GNU/non-GNU ld that we prefer. + case `"$lt_cv_path_LD" -v 2>&1 &5 +$as_echo "$LD" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi +test -z "$LD" && as_fn_error $? "no acceptable ld found in \$PATH" "$LINENO" 5 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if the linker ($LD) is GNU ld" >&5 +$as_echo_n "checking if the linker ($LD) is GNU ld... " >&6; } +if ${lt_cv_prog_gnu_ld+:} false; then : + $as_echo_n "(cached) " >&6 +else + # I'd rather use --version here, but apparently some GNU lds only accept -v. +case `$LD -v 2>&1 &5 +$as_echo "$lt_cv_prog_gnu_ld" >&6; } +with_gnu_ld=$lt_cv_prog_gnu_ld + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for BSD- or MS-compatible name lister (nm)" >&5 +$as_echo_n "checking for BSD- or MS-compatible name lister (nm)... " >&6; } +if ${lt_cv_path_NM+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$NM"; then + # Let the user override the test. + lt_cv_path_NM="$NM" +else + lt_nm_to_check="${ac_tool_prefix}nm" + if test -n "$ac_tool_prefix" && test "$build" = "$host"; then + lt_nm_to_check="$lt_nm_to_check nm" + fi + for lt_tmp_nm in $lt_nm_to_check; do + lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR + for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do + IFS="$lt_save_ifs" + test -z "$ac_dir" && ac_dir=. + tmp_nm="$ac_dir/$lt_tmp_nm" + if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext" ; then + # Check to see if the nm accepts a BSD-compat flag. + # Adding the `sed 1q' prevents false positives on HP-UX, which says: + # nm: unknown option "B" ignored + # Tru64's nm complains that /dev/null is an invalid object file + case `"$tmp_nm" -B /dev/null 2>&1 | sed '1q'` in + */dev/null* | *'Invalid file or object type'*) + lt_cv_path_NM="$tmp_nm -B" + break + ;; + *) + case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in + */dev/null*) + lt_cv_path_NM="$tmp_nm -p" + break + ;; + *) + lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but + continue # so that we can try to find one that supports BSD flags + ;; + esac + ;; + esac + fi + done + IFS="$lt_save_ifs" + done + : ${lt_cv_path_NM=no} +fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_NM" >&5 +$as_echo "$lt_cv_path_NM" >&6; } +if test "$lt_cv_path_NM" != "no"; then + NM="$lt_cv_path_NM" +else + # Didn't find any BSD compatible name lister, look for dumpbin. + if test -n "$DUMPBIN"; then : + # Let the user override the test. + else + if test -n "$ac_tool_prefix"; then + for ac_prog in dumpbin "link -dump" + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_DUMPBIN+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$DUMPBIN"; then + ac_cv_prog_DUMPBIN="$DUMPBIN" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_DUMPBIN="$ac_tool_prefix$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +DUMPBIN=$ac_cv_prog_DUMPBIN +if test -n "$DUMPBIN"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DUMPBIN" >&5 +$as_echo "$DUMPBIN" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$DUMPBIN" && break + done +fi +if test -z "$DUMPBIN"; then + ac_ct_DUMPBIN=$DUMPBIN + for ac_prog in dumpbin "link -dump" +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_DUMPBIN+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_DUMPBIN"; then + ac_cv_prog_ac_ct_DUMPBIN="$ac_ct_DUMPBIN" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_DUMPBIN="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_DUMPBIN=$ac_cv_prog_ac_ct_DUMPBIN +if test -n "$ac_ct_DUMPBIN"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DUMPBIN" >&5 +$as_echo "$ac_ct_DUMPBIN" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$ac_ct_DUMPBIN" && break +done + + if test "x$ac_ct_DUMPBIN" = x; then + DUMPBIN=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + DUMPBIN=$ac_ct_DUMPBIN + fi +fi + + case `$DUMPBIN -symbols /dev/null 2>&1 | sed '1q'` in + *COFF*) + DUMPBIN="$DUMPBIN -symbols" + ;; + *) + DUMPBIN=: + ;; + esac + fi + + if test "$DUMPBIN" != ":"; then + NM="$DUMPBIN" + fi +fi +test -z "$NM" && NM=nm + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking the name lister ($NM) interface" >&5 +$as_echo_n "checking the name lister ($NM) interface... " >&6; } +if ${lt_cv_nm_interface+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_nm_interface="BSD nm" + echo "int some_variable = 0;" > conftest.$ac_ext + (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&5) + (eval "$ac_compile" 2>conftest.err) + cat conftest.err >&5 + (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&5) + (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out) + cat conftest.err >&5 + (eval echo "\"\$as_me:$LINENO: output\"" >&5) + cat conftest.out >&5 + if $GREP 'External.*some_variable' conftest.out > /dev/null; then + lt_cv_nm_interface="MS dumpbin" + fi + rm -f conftest* +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_nm_interface" >&5 +$as_echo "$lt_cv_nm_interface" >&6; } + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ln -s works" >&5 +$as_echo_n "checking whether ln -s works... " >&6; } +LN_S=$as_ln_s +if test "$LN_S" = "ln -s"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no, using $LN_S" >&5 +$as_echo "no, using $LN_S" >&6; } +fi + +# find the maximum length of command line arguments +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking the maximum length of command line arguments" >&5 +$as_echo_n "checking the maximum length of command line arguments... " >&6; } +if ${lt_cv_sys_max_cmd_len+:} false; then : + $as_echo_n "(cached) " >&6 +else + i=0 + teststring="ABCD" + + case $build_os in + msdosdjgpp*) + # On DJGPP, this test can blow up pretty badly due to problems in libc + # (any single argument exceeding 2000 bytes causes a buffer overrun + # during glob expansion). Even if it were fixed, the result of this + # check would be larger than it should be. + lt_cv_sys_max_cmd_len=12288; # 12K is about right + ;; + + gnu*) + # Under GNU Hurd, this test is not required because there is + # no limit to the length of command line arguments. + # Libtool will interpret -1 as no limit whatsoever + lt_cv_sys_max_cmd_len=-1; + ;; + + cygwin* | mingw* | cegcc*) + # On Win9x/ME, this test blows up -- it succeeds, but takes + # about 5 minutes as the teststring grows exponentially. + # Worse, since 9x/ME are not pre-emptively multitasking, + # you end up with a "frozen" computer, even though with patience + # the test eventually succeeds (with a max line length of 256k). + # Instead, let's just punt: use the minimum linelength reported by + # all of the supported platforms: 8192 (on NT/2K/XP). + lt_cv_sys_max_cmd_len=8192; + ;; + + mint*) + # On MiNT this can take a long time and run out of memory. + lt_cv_sys_max_cmd_len=8192; + ;; + + amigaos*) + # On AmigaOS with pdksh, this test takes hours, literally. + # So we just punt and use a minimum line length of 8192. + lt_cv_sys_max_cmd_len=8192; + ;; + + netbsd* | freebsd* | openbsd* | darwin* | dragonfly*) + # This has been around since 386BSD, at least. Likely further. + if test -x /sbin/sysctl; then + lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax` + elif test -x /usr/sbin/sysctl; then + lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax` + else + lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs + fi + # And add a safety zone + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` + ;; + + interix*) + # We know the value 262144 and hardcode it with a safety zone (like BSD) + lt_cv_sys_max_cmd_len=196608 + ;; + + osf*) + # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure + # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not + # nice to cause kernel panics so lets avoid the loop below. + # First set a reasonable default. + lt_cv_sys_max_cmd_len=16384 + # + if test -x /sbin/sysconfig; then + case `/sbin/sysconfig -q proc exec_disable_arg_limit` in + *1*) lt_cv_sys_max_cmd_len=-1 ;; + esac + fi + ;; + sco3.2v5*) + lt_cv_sys_max_cmd_len=102400 + ;; + sysv5* | sco5v6* | sysv4.2uw2*) + kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null` + if test -n "$kargmax"; then + lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[ ]//'` + else + lt_cv_sys_max_cmd_len=32768 + fi + ;; + *) + lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null` + if test -n "$lt_cv_sys_max_cmd_len"; then + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` + else + # Make teststring a little bigger before we do anything with it. + # a 1K string should be a reasonable start. + for i in 1 2 3 4 5 6 7 8 ; do + teststring=$teststring$teststring + done + SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}} + # If test is not a shell built-in, we'll probably end up computing a + # maximum length that is only half of the actual maximum length, but + # we can't tell. + while { test "X"`func_fallback_echo "$teststring$teststring" 2>/dev/null` \ + = "X$teststring$teststring"; } >/dev/null 2>&1 && + test $i != 17 # 1/2 MB should be enough + do + i=`expr $i + 1` + teststring=$teststring$teststring + done + # Only check the string length outside the loop. + lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1` + teststring= + # Add a significant safety factor because C++ compilers can tack on + # massive amounts of additional arguments before passing them to the + # linker. It appears as though 1/2 is a usable value. + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2` + fi + ;; + esac + +fi + +if test -n $lt_cv_sys_max_cmd_len ; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sys_max_cmd_len" >&5 +$as_echo "$lt_cv_sys_max_cmd_len" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: none" >&5 +$as_echo "none" >&6; } +fi +max_cmd_len=$lt_cv_sys_max_cmd_len + + + + + + +: ${CP="cp -f"} +: ${MV="mv -f"} +: ${RM="rm -f"} + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the shell understands some XSI constructs" >&5 +$as_echo_n "checking whether the shell understands some XSI constructs... " >&6; } +# Try some XSI features +xsi_shell=no +( _lt_dummy="a/b/c" + test "${_lt_dummy##*/},${_lt_dummy%/*},${_lt_dummy#??}"${_lt_dummy%"$_lt_dummy"}, \ + = c,a/b,b/c, \ + && eval 'test $(( 1 + 1 )) -eq 2 \ + && test "${#_lt_dummy}" -eq 5' ) >/dev/null 2>&1 \ + && xsi_shell=yes +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xsi_shell" >&5 +$as_echo "$xsi_shell" >&6; } + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the shell understands \"+=\"" >&5 +$as_echo_n "checking whether the shell understands \"+=\"... " >&6; } +lt_shell_append=no +( foo=bar; set foo baz; eval "$1+=\$2" && test "$foo" = barbaz ) \ + >/dev/null 2>&1 \ + && lt_shell_append=yes +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_shell_append" >&5 +$as_echo "$lt_shell_append" >&6; } + + +if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then + lt_unset=unset +else + lt_unset=false +fi + + + + + +# test EBCDIC or ASCII +case `echo X|tr X '\101'` in + A) # ASCII based system + # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr + lt_SP2NL='tr \040 \012' + lt_NL2SP='tr \015\012 \040\040' + ;; + *) # EBCDIC based system + lt_SP2NL='tr \100 \n' + lt_NL2SP='tr \r\n \100\100' + ;; +esac + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to $host format" >&5 +$as_echo_n "checking how to convert $build file names to $host format... " >&6; } +if ${lt_cv_to_host_file_cmd+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $host in + *-*-mingw* ) + case $build in + *-*-mingw* ) # actually msys + lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32 + ;; + *-*-cygwin* ) + lt_cv_to_host_file_cmd=func_convert_file_cygwin_to_w32 + ;; + * ) # otherwise, assume *nix + lt_cv_to_host_file_cmd=func_convert_file_nix_to_w32 + ;; + esac + ;; + *-*-cygwin* ) + case $build in + *-*-mingw* ) # actually msys + lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin + ;; + *-*-cygwin* ) + lt_cv_to_host_file_cmd=func_convert_file_noop + ;; + * ) # otherwise, assume *nix + lt_cv_to_host_file_cmd=func_convert_file_nix_to_cygwin + ;; + esac + ;; + * ) # unhandled hosts (and "normal" native builds) + lt_cv_to_host_file_cmd=func_convert_file_noop + ;; +esac + +fi + +to_host_file_cmd=$lt_cv_to_host_file_cmd +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_host_file_cmd" >&5 +$as_echo "$lt_cv_to_host_file_cmd" >&6; } + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to toolchain format" >&5 +$as_echo_n "checking how to convert $build file names to toolchain format... " >&6; } +if ${lt_cv_to_tool_file_cmd+:} false; then : + $as_echo_n "(cached) " >&6 +else + #assume ordinary cross tools, or native build. +lt_cv_to_tool_file_cmd=func_convert_file_noop +case $host in + *-*-mingw* ) + case $build in + *-*-mingw* ) # actually msys + lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32 + ;; + esac + ;; +esac + +fi + +to_tool_file_cmd=$lt_cv_to_tool_file_cmd +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_tool_file_cmd" >&5 +$as_echo "$lt_cv_to_tool_file_cmd" >&6; } + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $LD option to reload object files" >&5 +$as_echo_n "checking for $LD option to reload object files... " >&6; } +if ${lt_cv_ld_reload_flag+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_ld_reload_flag='-r' +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_reload_flag" >&5 +$as_echo "$lt_cv_ld_reload_flag" >&6; } +reload_flag=$lt_cv_ld_reload_flag +case $reload_flag in +"" | " "*) ;; +*) reload_flag=" $reload_flag" ;; +esac +reload_cmds='$LD$reload_flag -o $output$reload_objs' +case $host_os in + cygwin* | mingw* | pw32* | cegcc*) + if test "$GCC" != yes; then + reload_cmds=false + fi + ;; + darwin*) + if test "$GCC" = yes; then + reload_cmds='$LTCC $LTCFLAGS -nostdlib ${wl}-r -o $output$reload_objs' + else + reload_cmds='$LD$reload_flag -o $output$reload_objs' + fi + ;; +esac + + + + + + + + + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}objdump", so it can be a program name with args. +set dummy ${ac_tool_prefix}objdump; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_OBJDUMP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$OBJDUMP"; then + ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_OBJDUMP="${ac_tool_prefix}objdump" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +OBJDUMP=$ac_cv_prog_OBJDUMP +if test -n "$OBJDUMP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OBJDUMP" >&5 +$as_echo "$OBJDUMP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_OBJDUMP"; then + ac_ct_OBJDUMP=$OBJDUMP + # Extract the first word of "objdump", so it can be a program name with args. +set dummy objdump; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_OBJDUMP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_OBJDUMP"; then + ac_cv_prog_ac_ct_OBJDUMP="$ac_ct_OBJDUMP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_OBJDUMP="objdump" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_OBJDUMP=$ac_cv_prog_ac_ct_OBJDUMP +if test -n "$ac_ct_OBJDUMP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OBJDUMP" >&5 +$as_echo "$ac_ct_OBJDUMP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_OBJDUMP" = x; then + OBJDUMP="false" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + OBJDUMP=$ac_ct_OBJDUMP + fi +else + OBJDUMP="$ac_cv_prog_OBJDUMP" +fi + +test -z "$OBJDUMP" && OBJDUMP=objdump + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to recognize dependent libraries" >&5 +$as_echo_n "checking how to recognize dependent libraries... " >&6; } +if ${lt_cv_deplibs_check_method+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_file_magic_cmd='$MAGIC_CMD' +lt_cv_file_magic_test_file= +lt_cv_deplibs_check_method='unknown' +# Need to set the preceding variable on all platforms that support +# interlibrary dependencies. +# 'none' -- dependencies not supported. +# `unknown' -- same as none, but documents that we really don't know. +# 'pass_all' -- all dependencies passed with no checks. +# 'test_compile' -- check by making test program. +# 'file_magic [[regex]]' -- check by looking for files in library path +# which responds to the $file_magic_cmd with a given extended regex. +# If you have `file' or equivalent on your system and you're not sure +# whether `pass_all' will *always* work, you probably want this one. + +case $host_os in +aix[4-9]*) + lt_cv_deplibs_check_method=pass_all + ;; + +beos*) + lt_cv_deplibs_check_method=pass_all + ;; + +bsdi[45]*) + lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)' + lt_cv_file_magic_cmd='/usr/bin/file -L' + lt_cv_file_magic_test_file=/shlib/libc.so + ;; + +cygwin*) + # func_win32_libid is a shell function defined in ltmain.sh + lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' + lt_cv_file_magic_cmd='func_win32_libid' + ;; + +mingw* | pw32*) + # Base MSYS/MinGW do not provide the 'file' command needed by + # func_win32_libid shell function, so use a weaker test based on 'objdump', + # unless we find 'file', for example because we are cross-compiling. + # func_win32_libid assumes BSD nm, so disallow it if using MS dumpbin. + if ( test "$lt_cv_nm_interface" = "BSD nm" && file / ) >/dev/null 2>&1; then + lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' + lt_cv_file_magic_cmd='func_win32_libid' + else + # Keep this pattern in sync with the one in func_win32_libid. + lt_cv_deplibs_check_method='file_magic file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' + lt_cv_file_magic_cmd='$OBJDUMP -f' + fi + ;; + +cegcc*) + # use the weaker test based on 'objdump'. See mingw*. + lt_cv_deplibs_check_method='file_magic file format pe-arm-.*little(.*architecture: arm)?' + lt_cv_file_magic_cmd='$OBJDUMP -f' + ;; + +darwin* | rhapsody*) + lt_cv_deplibs_check_method=pass_all + ;; + +freebsd* | dragonfly*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then + case $host_cpu in + i*86 ) + # Not sure whether the presence of OpenBSD here was a mistake. + # Let's accept both of them until this is cleared up. + lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[3-9]86 (compact )?demand paged shared library' + lt_cv_file_magic_cmd=/usr/bin/file + lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*` + ;; + esac + else + lt_cv_deplibs_check_method=pass_all + fi + ;; + +gnu*) + lt_cv_deplibs_check_method=pass_all + ;; + +haiku*) + lt_cv_deplibs_check_method=pass_all + ;; + +hpux10.20* | hpux11*) + lt_cv_file_magic_cmd=/usr/bin/file + case $host_cpu in + ia64*) + lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - IA64' + lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so + ;; + hppa*64*) + lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF[ -][0-9][0-9])(-bit)?( [LM]SB)? shared object( file)?[, -]* PA-RISC [0-9]\.[0-9]' + lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl + ;; + *) + lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9]\.[0-9]) shared library' + lt_cv_file_magic_test_file=/usr/lib/libc.sl + ;; + esac + ;; + +interix[3-9]*) + # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here + lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|\.a)$' + ;; + +irix5* | irix6* | nonstopux*) + case $LD in + *-32|*"-32 ") libmagic=32-bit;; + *-n32|*"-n32 ") libmagic=N32;; + *-64|*"-64 ") libmagic=64-bit;; + *) libmagic=never-match;; + esac + lt_cv_deplibs_check_method=pass_all + ;; + +# This must be Linux ELF. +linux* | k*bsd*-gnu | kopensolaris*-gnu) + lt_cv_deplibs_check_method=pass_all + ;; + +netbsd*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then + lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$' + else + lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|_pic\.a)$' + fi + ;; + +newos6*) + lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (executable|dynamic lib)' + lt_cv_file_magic_cmd=/usr/bin/file + lt_cv_file_magic_test_file=/usr/lib/libnls.so + ;; + +*nto* | *qnx*) + lt_cv_deplibs_check_method=pass_all + ;; + +openbsd*) + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then + lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|\.so|_pic\.a)$' + else + lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$' + fi + ;; + +osf3* | osf4* | osf5*) + lt_cv_deplibs_check_method=pass_all + ;; + +rdos*) + lt_cv_deplibs_check_method=pass_all + ;; + +solaris*) + lt_cv_deplibs_check_method=pass_all + ;; + +sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) + lt_cv_deplibs_check_method=pass_all + ;; + +sysv4 | sysv4.3*) + case $host_vendor in + motorola) + lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]' + lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*` + ;; + ncr) + lt_cv_deplibs_check_method=pass_all + ;; + sequent) + lt_cv_file_magic_cmd='/bin/file' + lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )' + ;; + sni) + lt_cv_file_magic_cmd='/bin/file' + lt_cv_deplibs_check_method="file_magic ELF [0-9][0-9]*-bit [LM]SB dynamic lib" + lt_cv_file_magic_test_file=/lib/libc.so + ;; + siemens) + lt_cv_deplibs_check_method=pass_all + ;; + pc) + lt_cv_deplibs_check_method=pass_all + ;; + esac + ;; + +tpf*) + lt_cv_deplibs_check_method=pass_all + ;; +esac + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_deplibs_check_method" >&5 +$as_echo "$lt_cv_deplibs_check_method" >&6; } + +file_magic_glob= +want_nocaseglob=no +if test "$build" = "$host"; then + case $host_os in + mingw* | pw32*) + if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then + want_nocaseglob=yes + else + file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[\1]\/[\1]\/g;/g"` + fi + ;; + esac +fi + +file_magic_cmd=$lt_cv_file_magic_cmd +deplibs_check_method=$lt_cv_deplibs_check_method +test -z "$deplibs_check_method" && deplibs_check_method=unknown + + + + + + + + + + + + + + + + + + + + + + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}dlltool", so it can be a program name with args. +set dummy ${ac_tool_prefix}dlltool; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_DLLTOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$DLLTOOL"; then + ac_cv_prog_DLLTOOL="$DLLTOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_DLLTOOL="${ac_tool_prefix}dlltool" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +DLLTOOL=$ac_cv_prog_DLLTOOL +if test -n "$DLLTOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DLLTOOL" >&5 +$as_echo "$DLLTOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_DLLTOOL"; then + ac_ct_DLLTOOL=$DLLTOOL + # Extract the first word of "dlltool", so it can be a program name with args. +set dummy dlltool; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_DLLTOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_DLLTOOL"; then + ac_cv_prog_ac_ct_DLLTOOL="$ac_ct_DLLTOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_DLLTOOL="dlltool" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_DLLTOOL=$ac_cv_prog_ac_ct_DLLTOOL +if test -n "$ac_ct_DLLTOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DLLTOOL" >&5 +$as_echo "$ac_ct_DLLTOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_DLLTOOL" = x; then + DLLTOOL="false" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + DLLTOOL=$ac_ct_DLLTOOL + fi +else + DLLTOOL="$ac_cv_prog_DLLTOOL" +fi + +test -z "$DLLTOOL" && DLLTOOL=dlltool + + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to associate runtime and link libraries" >&5 +$as_echo_n "checking how to associate runtime and link libraries... " >&6; } +if ${lt_cv_sharedlib_from_linklib_cmd+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_sharedlib_from_linklib_cmd='unknown' + +case $host_os in +cygwin* | mingw* | pw32* | cegcc*) + # two different shell functions defined in ltmain.sh + # decide which to use based on capabilities of $DLLTOOL + case `$DLLTOOL --help 2>&1` in + *--identify-strict*) + lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib + ;; + *) + lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback + ;; + esac + ;; +*) + # fallback: assume linklib IS sharedlib + lt_cv_sharedlib_from_linklib_cmd="$ECHO" + ;; +esac + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sharedlib_from_linklib_cmd" >&5 +$as_echo "$lt_cv_sharedlib_from_linklib_cmd" >&6; } +sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd +test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO + + + + + + + + +if test -n "$ac_tool_prefix"; then + for ac_prog in ar + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_AR+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$AR"; then + ac_cv_prog_AR="$AR" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_AR="$ac_tool_prefix$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +AR=$ac_cv_prog_AR +if test -n "$AR"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AR" >&5 +$as_echo "$AR" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$AR" && break + done +fi +if test -z "$AR"; then + ac_ct_AR=$AR + for ac_prog in ar +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_AR+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_AR"; then + ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_AR="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_AR=$ac_cv_prog_ac_ct_AR +if test -n "$ac_ct_AR"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5 +$as_echo "$ac_ct_AR" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$ac_ct_AR" && break +done + + if test "x$ac_ct_AR" = x; then + AR="false" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + AR=$ac_ct_AR + fi +fi + +: ${AR=ar} +: ${AR_FLAGS=cru} + + + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for archiver @FILE support" >&5 +$as_echo_n "checking for archiver @FILE support... " >&6; } +if ${lt_cv_ar_at_file+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_ar_at_file=no + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + echo conftest.$ac_objext > conftest.lst + lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&5' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5 + (eval $lt_ar_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + if test "$ac_status" -eq 0; then + # Ensure the archiver fails upon bogus file names. + rm -f conftest.$ac_objext libconftest.a + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5 + (eval $lt_ar_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + if test "$ac_status" -ne 0; then + lt_cv_ar_at_file=@ + fi + fi + rm -f conftest.* libconftest.a + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ar_at_file" >&5 +$as_echo "$lt_cv_ar_at_file" >&6; } + +if test "x$lt_cv_ar_at_file" = xno; then + archiver_list_spec= +else + archiver_list_spec=$lt_cv_ar_at_file +fi + + + + + + + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args. +set dummy ${ac_tool_prefix}strip; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_STRIP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$STRIP"; then + ac_cv_prog_STRIP="$STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_STRIP="${ac_tool_prefix}strip" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +STRIP=$ac_cv_prog_STRIP +if test -n "$STRIP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5 +$as_echo "$STRIP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_STRIP"; then + ac_ct_STRIP=$STRIP + # Extract the first word of "strip", so it can be a program name with args. +set dummy strip; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_STRIP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_STRIP"; then + ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_STRIP="strip" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP +if test -n "$ac_ct_STRIP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5 +$as_echo "$ac_ct_STRIP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_STRIP" = x; then + STRIP=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + STRIP=$ac_ct_STRIP + fi +else + STRIP="$ac_cv_prog_STRIP" +fi + +test -z "$STRIP" && STRIP=: + + + + + + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args. +set dummy ${ac_tool_prefix}ranlib; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_RANLIB+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$RANLIB"; then + ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +RANLIB=$ac_cv_prog_RANLIB +if test -n "$RANLIB"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5 +$as_echo "$RANLIB" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_RANLIB"; then + ac_ct_RANLIB=$RANLIB + # Extract the first word of "ranlib", so it can be a program name with args. +set dummy ranlib; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_RANLIB+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_RANLIB"; then + ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_RANLIB="ranlib" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB +if test -n "$ac_ct_RANLIB"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5 +$as_echo "$ac_ct_RANLIB" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_RANLIB" = x; then + RANLIB=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + RANLIB=$ac_ct_RANLIB + fi +else + RANLIB="$ac_cv_prog_RANLIB" +fi + +test -z "$RANLIB" && RANLIB=: + + + + + + +# Determine commands to create old-style static archives. +old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs' +old_postinstall_cmds='chmod 644 $oldlib' +old_postuninstall_cmds= + +if test -n "$RANLIB"; then + case $host_os in + openbsd*) + old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$oldlib" + ;; + *) + old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$oldlib" + ;; + esac + old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib" +fi + +case $host_os in + darwin*) + lock_old_archive_extraction=yes ;; + *) + lock_old_archive_extraction=no ;; +esac + + + + + + + + + + + + + + + + + + + + + +for ac_prog in gawk mawk nawk awk +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_AWK+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$AWK"; then + ac_cv_prog_AWK="$AWK" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_AWK="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +AWK=$ac_cv_prog_AWK +if test -n "$AWK"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AWK" >&5 +$as_echo "$AWK" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$AWK" && break +done + + + + + + + + + + + + + + + + + + + +# If no C compiler was specified, use CC. +LTCC=${LTCC-"$CC"} + +# If no C compiler flags were specified, use CFLAGS. +LTCFLAGS=${LTCFLAGS-"$CFLAGS"} + +# Allow CC to be a program name with arguments. +compiler=$CC + + +# Check for command to grab the raw symbol name followed by C symbol from nm. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking command to parse $NM output from $compiler object" >&5 +$as_echo_n "checking command to parse $NM output from $compiler object... " >&6; } +if ${lt_cv_sys_global_symbol_pipe+:} false; then : + $as_echo_n "(cached) " >&6 +else + +# These are sane defaults that work on at least a few old systems. +# [They come from Ultrix. What could be older than Ultrix?!! ;)] + +# Character class describing NM global symbol codes. +symcode='[BCDEGRST]' + +# Regexp to match symbols that can be accessed directly from C. +sympat='\([_A-Za-z][_A-Za-z0-9]*\)' + +# Define system-specific variables. +case $host_os in +aix*) + symcode='[BCDT]' + ;; +cygwin* | mingw* | pw32* | cegcc*) + symcode='[ABCDGISTW]' + ;; +hpux*) + if test "$host_cpu" = ia64; then + symcode='[ABCDEGRST]' + fi + ;; +irix* | nonstopux*) + symcode='[BCDEGRST]' + ;; +osf*) + symcode='[BCDEGQRST]' + ;; +solaris*) + symcode='[BDRT]' + ;; +sco3.2v5*) + symcode='[DT]' + ;; +sysv4.2uw2*) + symcode='[DT]' + ;; +sysv5* | sco5v6* | unixware* | OpenUNIX*) + symcode='[ABDT]' + ;; +sysv4) + symcode='[DFNSTU]' + ;; +esac + +# If we're using GNU nm, then use its standard symbol codes. +case `$NM -V 2>&1` in +*GNU* | *'with BFD'*) + symcode='[ABCDGIRSTW]' ;; +esac + +# Transform an extracted symbol line into a proper C declaration. +# Some systems (esp. on ia64) link data and code symbols differently, +# so use this general approach. +lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'" + +# Transform an extracted symbol line into symbol name and symbol address +lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([^ ]*\)[ ]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([^ ]*\) \([^ ]*\)$/ {\"\2\", (void *) \&\2},/p'" +lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n -e 's/^: \([^ ]*\)[ ]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([^ ]*\) \(lib[^ ]*\)$/ {\"\2\", (void *) \&\2},/p' -e 's/^$symcode* \([^ ]*\) \([^ ]*\)$/ {\"lib\2\", (void *) \&\2},/p'" + +# Handle CRLF in mingw tool chain +opt_cr= +case $build_os in +mingw*) + opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp + ;; +esac + +# Try without a prefix underscore, then with it. +for ac_symprfx in "" "_"; do + + # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. + symxfrm="\\1 $ac_symprfx\\2 \\2" + + # Write the raw and C identifiers. + if test "$lt_cv_nm_interface" = "MS dumpbin"; then + # Fake it for dumpbin and say T for any non-static function + # and D for any global variable. + # Also find C++ and __fastcall symbols from MSVC++, + # which start with @ or ?. + lt_cv_sys_global_symbol_pipe="$AWK '"\ +" {last_section=section; section=\$ 3};"\ +" /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ +" \$ 0!~/External *\|/{next};"\ +" / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ +" {if(hide[section]) next};"\ +" {f=0}; \$ 0~/\(\).*\|/{f=1}; {printf f ? \"T \" : \"D \"};"\ +" {split(\$ 0, a, /\||\r/); split(a[2], s)};"\ +" s[1]~/^[@?]/{print s[1], s[1]; next};"\ +" s[1]~prfx {split(s[1],t,\"@\"); print t[1], substr(t[1],length(prfx))}"\ +" ' prfx=^$ac_symprfx" + else + lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[ ]\($symcode$symcode*\)[ ][ ]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" + fi + lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | sed '/ __gnu_lto/d'" + + # Check to see that the pipe works correctly. + pipe_works=no + + rm -f conftest* + cat > conftest.$ac_ext <<_LT_EOF +#ifdef __cplusplus +extern "C" { +#endif +char nm_test_var; +void nm_test_func(void); +void nm_test_func(void){} +#ifdef __cplusplus +} +#endif +int main(){nm_test_var='a';nm_test_func();return(0);} +_LT_EOF + + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + # Now try to grab the symbols. + nlist=conftest.nm + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist\""; } >&5 + (eval $NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && test -s "$nlist"; then + # Try sorting and uniquifying the output. + if sort "$nlist" | uniq > "$nlist"T; then + mv -f "$nlist"T "$nlist" + else + rm -f "$nlist"T + fi + + # Make sure that we snagged all the symbols we need. + if $GREP ' nm_test_var$' "$nlist" >/dev/null; then + if $GREP ' nm_test_func$' "$nlist" >/dev/null; then + cat <<_LT_EOF > conftest.$ac_ext +/* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ +#if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE) +/* DATA imports from DLLs on WIN32 con't be const, because runtime + relocations are performed -- see ld's documentation on pseudo-relocs. */ +# define LT_DLSYM_CONST +#elif defined(__osf__) +/* This system does not cope well with relocations in const data. */ +# define LT_DLSYM_CONST +#else +# define LT_DLSYM_CONST const +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +_LT_EOF + # Now generate the symbol file. + eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' + + cat <<_LT_EOF >> conftest.$ac_ext + +/* The mapping between symbol names and symbols. */ +LT_DLSYM_CONST struct { + const char *name; + void *address; +} +lt__PROGRAM__LTX_preloaded_symbols[] = +{ + { "@PROGRAM@", (void *) 0 }, +_LT_EOF + $SED "s/^$symcode$symcode* \(.*\) \(.*\)$/ {\"\2\", (void *) \&\2},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext + cat <<\_LT_EOF >> conftest.$ac_ext + {0, (void *) 0} +}; + +/* This works around a problem in FreeBSD linker */ +#ifdef FREEBSD_WORKAROUND +static const void *lt_preloaded_setup() { + return lt__PROGRAM__LTX_preloaded_symbols; +} +#endif + +#ifdef __cplusplus +} +#endif +_LT_EOF + # Now try linking the two files. + mv conftest.$ac_objext conftstm.$ac_objext + lt_globsym_save_LIBS=$LIBS + lt_globsym_save_CFLAGS=$CFLAGS + LIBS="conftstm.$ac_objext" + CFLAGS="$CFLAGS$lt_prog_compiler_no_builtin_flag" + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 + (eval $ac_link) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && test -s conftest${ac_exeext}; then + pipe_works=yes + fi + LIBS=$lt_globsym_save_LIBS + CFLAGS=$lt_globsym_save_CFLAGS + else + echo "cannot find nm_test_func in $nlist" >&5 + fi + else + echo "cannot find nm_test_var in $nlist" >&5 + fi + else + echo "cannot run $lt_cv_sys_global_symbol_pipe" >&5 + fi + else + echo "$progname: failed program was:" >&5 + cat conftest.$ac_ext >&5 + fi + rm -rf conftest* conftst* + + # Do not use the global_symbol_pipe unless it works. + if test "$pipe_works" = yes; then + break + else + lt_cv_sys_global_symbol_pipe= + fi +done + +fi + +if test -z "$lt_cv_sys_global_symbol_pipe"; then + lt_cv_sys_global_symbol_to_cdecl= +fi +if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: failed" >&5 +$as_echo "failed" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: ok" >&5 +$as_echo "ok" >&6; } +fi + +# Response file support. +if test "$lt_cv_nm_interface" = "MS dumpbin"; then + nm_file_list_spec='@' +elif $NM --help 2>/dev/null | grep '[@]FILE' >/dev/null; then + nm_file_list_spec='@' +fi + + + + + + + + + + + + + + + + + + + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for sysroot" >&5 +$as_echo_n "checking for sysroot... " >&6; } + +# Check whether --with-sysroot was given. +if test "${with_sysroot+set}" = set; then : + withval=$with_sysroot; +else + with_sysroot=no +fi + + +lt_sysroot= +case ${with_sysroot} in #( + yes) + if test "$GCC" = yes; then + lt_sysroot=`$CC --print-sysroot 2>/dev/null` + fi + ;; #( + /*) + lt_sysroot=`echo "$with_sysroot" | sed -e "$sed_quote_subst"` + ;; #( + no|'') + ;; #( + *) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${with_sysroot}" >&5 +$as_echo "${with_sysroot}" >&6; } + as_fn_error $? "The sysroot must be an absolute path." "$LINENO" 5 + ;; +esac + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${lt_sysroot:-no}" >&5 +$as_echo "${lt_sysroot:-no}" >&6; } + + + + + +# Check whether --enable-libtool-lock was given. +if test "${enable_libtool_lock+set}" = set; then : + enableval=$enable_libtool_lock; +fi + +test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes + +# Some flags need to be propagated to the compiler or linker for good +# libtool support. +case $host in +ia64-*-hpux*) + # Find out which ABI we are using. + echo 'int i;' > conftest.$ac_ext + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + case `/usr/bin/file conftest.$ac_objext` in + *ELF-32*) + HPUX_IA64_MODE="32" + ;; + *ELF-64*) + HPUX_IA64_MODE="64" + ;; + esac + fi + rm -rf conftest* + ;; +*-*-irix6*) + # Find out which ABI we are using. + echo '#line '$LINENO' "configure"' > conftest.$ac_ext + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + if test "$lt_cv_prog_gnu_ld" = yes; then + case `/usr/bin/file conftest.$ac_objext` in + *32-bit*) + LD="${LD-ld} -melf32bsmip" + ;; + *N32*) + LD="${LD-ld} -melf32bmipn32" + ;; + *64-bit*) + LD="${LD-ld} -melf64bmip" + ;; + esac + else + case `/usr/bin/file conftest.$ac_objext` in + *32-bit*) + LD="${LD-ld} -32" + ;; + *N32*) + LD="${LD-ld} -n32" + ;; + *64-bit*) + LD="${LD-ld} -64" + ;; + esac + fi + fi + rm -rf conftest* + ;; + +x86_64-*kfreebsd*-gnu|x86_64-*linux*|ppc*-*linux*|powerpc*-*linux*| \ +s390*-*linux*|s390*-*tpf*|sparc*-*linux*) + # Find out which ABI we are using. + echo 'int i;' > conftest.$ac_ext + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + case `/usr/bin/file conftest.o` in + *32-bit*) + case $host in + x86_64-*kfreebsd*-gnu) + LD="${LD-ld} -m elf_i386_fbsd" + ;; + x86_64-*linux*) + LD="${LD-ld} -m elf_i386" + ;; + ppc64-*linux*|powerpc64-*linux*) + LD="${LD-ld} -m elf32ppclinux" + ;; + s390x-*linux*) + LD="${LD-ld} -m elf_s390" + ;; + sparc64-*linux*) + LD="${LD-ld} -m elf32_sparc" + ;; + esac + ;; + *64-bit*) + case $host in + x86_64-*kfreebsd*-gnu) + LD="${LD-ld} -m elf_x86_64_fbsd" + ;; + x86_64-*linux*) + LD="${LD-ld} -m elf_x86_64" + ;; + ppc*-*linux*|powerpc*-*linux*) + LD="${LD-ld} -m elf64ppc" + ;; + s390*-*linux*|s390*-*tpf*) + LD="${LD-ld} -m elf64_s390" + ;; + sparc*-*linux*) + LD="${LD-ld} -m elf64_sparc" + ;; + esac + ;; + esac + fi + rm -rf conftest* + ;; + +*-*-sco3.2v5*) + # On SCO OpenServer 5, we need -belf to get full-featured binaries. + SAVE_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -belf" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler needs -belf" >&5 +$as_echo_n "checking whether the C compiler needs -belf... " >&6; } +if ${lt_cv_cc_needs_belf+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + lt_cv_cc_needs_belf=yes +else + lt_cv_cc_needs_belf=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_cc_needs_belf" >&5 +$as_echo "$lt_cv_cc_needs_belf" >&6; } + if test x"$lt_cv_cc_needs_belf" != x"yes"; then + # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf + CFLAGS="$SAVE_CFLAGS" + fi + ;; +sparc*-*solaris*) + # Find out which ABI we are using. + echo 'int i;' > conftest.$ac_ext + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + case `/usr/bin/file conftest.o` in + *64-bit*) + case $lt_cv_prog_gnu_ld in + yes*) LD="${LD-ld} -m elf64_sparc" ;; + *) + if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then + LD="${LD-ld} -64" + fi + ;; + esac + ;; + esac + fi + rm -rf conftest* + ;; +esac + +need_locks="$enable_libtool_lock" + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}mt", so it can be a program name with args. +set dummy ${ac_tool_prefix}mt; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_MANIFEST_TOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$MANIFEST_TOOL"; then + ac_cv_prog_MANIFEST_TOOL="$MANIFEST_TOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_MANIFEST_TOOL="${ac_tool_prefix}mt" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +MANIFEST_TOOL=$ac_cv_prog_MANIFEST_TOOL +if test -n "$MANIFEST_TOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MANIFEST_TOOL" >&5 +$as_echo "$MANIFEST_TOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_MANIFEST_TOOL"; then + ac_ct_MANIFEST_TOOL=$MANIFEST_TOOL + # Extract the first word of "mt", so it can be a program name with args. +set dummy mt; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_MANIFEST_TOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_MANIFEST_TOOL"; then + ac_cv_prog_ac_ct_MANIFEST_TOOL="$ac_ct_MANIFEST_TOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_MANIFEST_TOOL="mt" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_MANIFEST_TOOL=$ac_cv_prog_ac_ct_MANIFEST_TOOL +if test -n "$ac_ct_MANIFEST_TOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_MANIFEST_TOOL" >&5 +$as_echo "$ac_ct_MANIFEST_TOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_MANIFEST_TOOL" = x; then + MANIFEST_TOOL=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + MANIFEST_TOOL=$ac_ct_MANIFEST_TOOL + fi +else + MANIFEST_TOOL="$ac_cv_prog_MANIFEST_TOOL" +fi + +test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $MANIFEST_TOOL is a manifest tool" >&5 +$as_echo_n "checking if $MANIFEST_TOOL is a manifest tool... " >&6; } +if ${lt_cv_path_mainfest_tool+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_path_mainfest_tool=no + echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&5 + $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out + cat conftest.err >&5 + if $GREP 'Manifest Tool' conftest.out > /dev/null; then + lt_cv_path_mainfest_tool=yes + fi + rm -f conftest* +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_mainfest_tool" >&5 +$as_echo "$lt_cv_path_mainfest_tool" >&6; } +if test "x$lt_cv_path_mainfest_tool" != xyes; then + MANIFEST_TOOL=: +fi + + + + + + + case $host_os in + rhapsody* | darwin*) + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}dsymutil", so it can be a program name with args. +set dummy ${ac_tool_prefix}dsymutil; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_DSYMUTIL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$DSYMUTIL"; then + ac_cv_prog_DSYMUTIL="$DSYMUTIL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_DSYMUTIL="${ac_tool_prefix}dsymutil" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +DSYMUTIL=$ac_cv_prog_DSYMUTIL +if test -n "$DSYMUTIL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DSYMUTIL" >&5 +$as_echo "$DSYMUTIL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_DSYMUTIL"; then + ac_ct_DSYMUTIL=$DSYMUTIL + # Extract the first word of "dsymutil", so it can be a program name with args. +set dummy dsymutil; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_DSYMUTIL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_DSYMUTIL"; then + ac_cv_prog_ac_ct_DSYMUTIL="$ac_ct_DSYMUTIL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_DSYMUTIL="dsymutil" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_DSYMUTIL=$ac_cv_prog_ac_ct_DSYMUTIL +if test -n "$ac_ct_DSYMUTIL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DSYMUTIL" >&5 +$as_echo "$ac_ct_DSYMUTIL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_DSYMUTIL" = x; then + DSYMUTIL=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + DSYMUTIL=$ac_ct_DSYMUTIL + fi +else + DSYMUTIL="$ac_cv_prog_DSYMUTIL" +fi + + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}nmedit", so it can be a program name with args. +set dummy ${ac_tool_prefix}nmedit; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_NMEDIT+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$NMEDIT"; then + ac_cv_prog_NMEDIT="$NMEDIT" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_NMEDIT="${ac_tool_prefix}nmedit" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +NMEDIT=$ac_cv_prog_NMEDIT +if test -n "$NMEDIT"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $NMEDIT" >&5 +$as_echo "$NMEDIT" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_NMEDIT"; then + ac_ct_NMEDIT=$NMEDIT + # Extract the first word of "nmedit", so it can be a program name with args. +set dummy nmedit; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_NMEDIT+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_NMEDIT"; then + ac_cv_prog_ac_ct_NMEDIT="$ac_ct_NMEDIT" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_NMEDIT="nmedit" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_NMEDIT=$ac_cv_prog_ac_ct_NMEDIT +if test -n "$ac_ct_NMEDIT"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_NMEDIT" >&5 +$as_echo "$ac_ct_NMEDIT" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_NMEDIT" = x; then + NMEDIT=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + NMEDIT=$ac_ct_NMEDIT + fi +else + NMEDIT="$ac_cv_prog_NMEDIT" +fi + + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}lipo", so it can be a program name with args. +set dummy ${ac_tool_prefix}lipo; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_LIPO+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$LIPO"; then + ac_cv_prog_LIPO="$LIPO" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_LIPO="${ac_tool_prefix}lipo" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +LIPO=$ac_cv_prog_LIPO +if test -n "$LIPO"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LIPO" >&5 +$as_echo "$LIPO" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_LIPO"; then + ac_ct_LIPO=$LIPO + # Extract the first word of "lipo", so it can be a program name with args. +set dummy lipo; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_LIPO+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_LIPO"; then + ac_cv_prog_ac_ct_LIPO="$ac_ct_LIPO" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_LIPO="lipo" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_LIPO=$ac_cv_prog_ac_ct_LIPO +if test -n "$ac_ct_LIPO"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_LIPO" >&5 +$as_echo "$ac_ct_LIPO" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_LIPO" = x; then + LIPO=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + LIPO=$ac_ct_LIPO + fi +else + LIPO="$ac_cv_prog_LIPO" +fi + + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}otool", so it can be a program name with args. +set dummy ${ac_tool_prefix}otool; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_OTOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$OTOOL"; then + ac_cv_prog_OTOOL="$OTOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_OTOOL="${ac_tool_prefix}otool" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +OTOOL=$ac_cv_prog_OTOOL +if test -n "$OTOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL" >&5 +$as_echo "$OTOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_OTOOL"; then + ac_ct_OTOOL=$OTOOL + # Extract the first word of "otool", so it can be a program name with args. +set dummy otool; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_OTOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_OTOOL"; then + ac_cv_prog_ac_ct_OTOOL="$ac_ct_OTOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_OTOOL="otool" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_OTOOL=$ac_cv_prog_ac_ct_OTOOL +if test -n "$ac_ct_OTOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL" >&5 +$as_echo "$ac_ct_OTOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_OTOOL" = x; then + OTOOL=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + OTOOL=$ac_ct_OTOOL + fi +else + OTOOL="$ac_cv_prog_OTOOL" +fi + + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}otool64", so it can be a program name with args. +set dummy ${ac_tool_prefix}otool64; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_OTOOL64+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$OTOOL64"; then + ac_cv_prog_OTOOL64="$OTOOL64" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_OTOOL64="${ac_tool_prefix}otool64" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +OTOOL64=$ac_cv_prog_OTOOL64 +if test -n "$OTOOL64"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL64" >&5 +$as_echo "$OTOOL64" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_OTOOL64"; then + ac_ct_OTOOL64=$OTOOL64 + # Extract the first word of "otool64", so it can be a program name with args. +set dummy otool64; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_OTOOL64+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_OTOOL64"; then + ac_cv_prog_ac_ct_OTOOL64="$ac_ct_OTOOL64" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_OTOOL64="otool64" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_OTOOL64=$ac_cv_prog_ac_ct_OTOOL64 +if test -n "$ac_ct_OTOOL64"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL64" >&5 +$as_echo "$ac_ct_OTOOL64" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_OTOOL64" = x; then + OTOOL64=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + OTOOL64=$ac_ct_OTOOL64 + fi +else + OTOOL64="$ac_cv_prog_OTOOL64" +fi + + + + + + + + + + + + + + + + + + + + + + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -single_module linker flag" >&5 +$as_echo_n "checking for -single_module linker flag... " >&6; } +if ${lt_cv_apple_cc_single_mod+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_apple_cc_single_mod=no + if test -z "${LT_MULTI_MODULE}"; then + # By default we will add the -single_module flag. You can override + # by either setting the environment variable LT_MULTI_MODULE + # non-empty at configure time, or by adding -multi_module to the + # link flags. + rm -rf libconftest.dylib* + echo "int foo(void){return 1;}" > conftest.c + echo "$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ +-dynamiclib -Wl,-single_module conftest.c" >&5 + $LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ + -dynamiclib -Wl,-single_module conftest.c 2>conftest.err + _lt_result=$? + if test -f libconftest.dylib && test ! -s conftest.err && test $_lt_result = 0; then + lt_cv_apple_cc_single_mod=yes + else + cat conftest.err >&5 + fi + rm -rf libconftest.dylib* + rm -f conftest.* + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_apple_cc_single_mod" >&5 +$as_echo "$lt_cv_apple_cc_single_mod" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -exported_symbols_list linker flag" >&5 +$as_echo_n "checking for -exported_symbols_list linker flag... " >&6; } +if ${lt_cv_ld_exported_symbols_list+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_ld_exported_symbols_list=no + save_LDFLAGS=$LDFLAGS + echo "_main" > conftest.sym + LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + lt_cv_ld_exported_symbols_list=yes +else + lt_cv_ld_exported_symbols_list=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LDFLAGS="$save_LDFLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_exported_symbols_list" >&5 +$as_echo "$lt_cv_ld_exported_symbols_list" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -force_load linker flag" >&5 +$as_echo_n "checking for -force_load linker flag... " >&6; } +if ${lt_cv_ld_force_load+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_ld_force_load=no + cat > conftest.c << _LT_EOF +int forced_loaded() { return 2;} +_LT_EOF + echo "$LTCC $LTCFLAGS -c -o conftest.o conftest.c" >&5 + $LTCC $LTCFLAGS -c -o conftest.o conftest.c 2>&5 + echo "$AR cru libconftest.a conftest.o" >&5 + $AR cru libconftest.a conftest.o 2>&5 + echo "$RANLIB libconftest.a" >&5 + $RANLIB libconftest.a 2>&5 + cat > conftest.c << _LT_EOF +int main() { return 0;} +_LT_EOF + echo "$LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a" >&5 + $LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a 2>conftest.err + _lt_result=$? + if test -f conftest && test ! -s conftest.err && test $_lt_result = 0 && $GREP forced_load conftest 2>&1 >/dev/null; then + lt_cv_ld_force_load=yes + else + cat conftest.err >&5 + fi + rm -f conftest.err libconftest.a conftest conftest.c + rm -rf conftest.dSYM + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_force_load" >&5 +$as_echo "$lt_cv_ld_force_load" >&6; } + case $host_os in + rhapsody* | darwin1.[012]) + _lt_dar_allow_undefined='${wl}-undefined ${wl}suppress' ;; + darwin1.*) + _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;; + darwin*) # darwin 5.x on + # if running on 10.5 or later, the deployment target defaults + # to the OS version, if on x86, and 10.4, the deployment + # target defaults to 10.4. Don't you love it? + case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in + 10.0,*86*-darwin8*|10.0,*-darwin[91]*) + _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;; + 10.[012]*) + _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;; + 10.*) + _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;; + esac + ;; + esac + if test "$lt_cv_apple_cc_single_mod" = "yes"; then + _lt_dar_single_mod='$single_module' + fi + if test "$lt_cv_ld_exported_symbols_list" = "yes"; then + _lt_dar_export_syms=' ${wl}-exported_symbols_list,$output_objdir/${libname}-symbols.expsym' + else + _lt_dar_export_syms='~$NMEDIT -s $output_objdir/${libname}-symbols.expsym ${lib}' + fi + if test "$DSYMUTIL" != ":" && test "$lt_cv_ld_force_load" = "no"; then + _lt_dsymutil='~$DSYMUTIL $lib || :' + else + _lt_dsymutil= + fi + ;; + esac + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5 +$as_echo_n "checking how to run the C preprocessor... " >&6; } +# On Suns, sometimes $CPP names a directory. +if test -n "$CPP" && test -d "$CPP"; then + CPP= +fi +if test -z "$CPP"; then + if ${ac_cv_prog_CPP+:} false; then : + $as_echo_n "(cached) " >&6 +else + # Double quotes because CPP needs to be expanded + for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp" + do + ac_preproc_ok=false +for ac_c_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer to if __STDC__ is defined, since + # exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef __STDC__ +# include +#else +# include +#endif + Syntax error +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + +else + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.i conftest.$ac_ext + + # OK, works on sane cases. Now check whether nonexistent headers + # can be detected and how. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + # Broken: success on invalid input. +continue +else + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.i conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.i conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : + break +fi + + done + ac_cv_prog_CPP=$CPP + +fi + CPP=$ac_cv_prog_CPP +else + ac_cv_prog_CPP=$CPP +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5 +$as_echo "$CPP" >&6; } +ac_preproc_ok=false +for ac_c_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer to if __STDC__ is defined, since + # exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef __STDC__ +# include +#else +# include +#endif + Syntax error +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + +else + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.i conftest.$ac_ext + + # OK, works on sane cases. Now check whether nonexistent headers + # can be detected and how. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + # Broken: success on invalid input. +continue +else + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.i conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.i conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : + +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "C preprocessor \"$CPP\" fails sanity check +See \`config.log' for more details" "$LINENO" 5; } +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5 +$as_echo_n "checking for ANSI C header files... " >&6; } +if ${ac_cv_header_stdc+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#include +#include + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_header_stdc=yes +else + ac_cv_header_stdc=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +if test $ac_cv_header_stdc = yes; then + # SunOS 4.x string.h does not declare mem*, contrary to ANSI. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "memchr" >/dev/null 2>&1; then : + +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "free" >/dev/null 2>&1; then : + +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi. + if test "$cross_compiling" = yes; then : + : +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#if ((' ' & 0x0FF) == 0x020) +# define ISLOWER(c) ('a' <= (c) && (c) <= 'z') +# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c)) +#else +# define ISLOWER(c) \ + (('a' <= (c) && (c) <= 'i') \ + || ('j' <= (c) && (c) <= 'r') \ + || ('s' <= (c) && (c) <= 'z')) +# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c)) +#endif + +#define XOR(e, f) (((e) && !(f)) || (!(e) && (f))) +int +main () +{ + int i; + for (i = 0; i < 256; i++) + if (XOR (islower (i), ISLOWER (i)) + || toupper (i) != TOUPPER (i)) + return 2; + return 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + +else + ac_cv_header_stdc=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + +fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5 +$as_echo "$ac_cv_header_stdc" >&6; } +if test $ac_cv_header_stdc = yes; then + +$as_echo "#define STDC_HEADERS 1" >>confdefs.h + +fi + +# On IRIX 5.3, sys/types and inttypes.h are conflicting. +for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \ + inttypes.h stdint.h unistd.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default +" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + + +for ac_header in dlfcn.h +do : + ac_fn_c_check_header_compile "$LINENO" "dlfcn.h" "ac_cv_header_dlfcn_h" "$ac_includes_default +" +if test "x$ac_cv_header_dlfcn_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_DLFCN_H 1 +_ACEOF + +fi + +done + + + + + +# Set options + + + + enable_dlopen=no + + + enable_win32_dll=no + + + # Check whether --enable-shared was given. +if test "${enable_shared+set}" = set; then : + enableval=$enable_shared; p=${PACKAGE-default} + case $enableval in + yes) enable_shared=yes ;; + no) enable_shared=no ;; + *) + enable_shared=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," + for pkg in $enableval; do + IFS="$lt_save_ifs" + if test "X$pkg" = "X$p"; then + enable_shared=yes + fi + done + IFS="$lt_save_ifs" + ;; + esac +else + enable_shared=yes +fi + + + + + + + + + + # Check whether --enable-static was given. +if test "${enable_static+set}" = set; then : + enableval=$enable_static; p=${PACKAGE-default} + case $enableval in + yes) enable_static=yes ;; + no) enable_static=no ;; + *) + enable_static=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," + for pkg in $enableval; do + IFS="$lt_save_ifs" + if test "X$pkg" = "X$p"; then + enable_static=yes + fi + done + IFS="$lt_save_ifs" + ;; + esac +else + enable_static=yes +fi + + + + + + + + + + +# Check whether --with-pic was given. +if test "${with_pic+set}" = set; then : + withval=$with_pic; pic_mode="$withval" +else + pic_mode=default +fi + + +test -z "$pic_mode" && pic_mode=default + + + + + + + + # Check whether --enable-fast-install was given. +if test "${enable_fast_install+set}" = set; then : + enableval=$enable_fast_install; p=${PACKAGE-default} + case $enableval in + yes) enable_fast_install=yes ;; + no) enable_fast_install=no ;; + *) + enable_fast_install=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," + for pkg in $enableval; do + IFS="$lt_save_ifs" + if test "X$pkg" = "X$p"; then + enable_fast_install=yes + fi + done + IFS="$lt_save_ifs" + ;; + esac +else + enable_fast_install=yes +fi + + + + + + + + + + + +# This can be used to rebuild libtool when needed +LIBTOOL_DEPS="$ltmain" + +# Always use our own libtool. +LIBTOOL='$(SHELL) $(top_builddir)/libtool' + + + + + + + + + + + + + + + + + + + + + + + + + + +test -z "$LN_S" && LN_S="ln -s" + + + + + + + + + + + + + + +if test -n "${ZSH_VERSION+set}" ; then + setopt NO_GLOB_SUBST +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for objdir" >&5 +$as_echo_n "checking for objdir... " >&6; } +if ${lt_cv_objdir+:} false; then : + $as_echo_n "(cached) " >&6 +else + rm -f .libs 2>/dev/null +mkdir .libs 2>/dev/null +if test -d .libs; then + lt_cv_objdir=.libs +else + # MS-DOS does not allow filenames that begin with a dot. + lt_cv_objdir=_libs +fi +rmdir .libs 2>/dev/null +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_objdir" >&5 +$as_echo "$lt_cv_objdir" >&6; } +objdir=$lt_cv_objdir + + + + + +cat >>confdefs.h <<_ACEOF +#define LT_OBJDIR "$lt_cv_objdir/" +_ACEOF + + + + +case $host_os in +aix3*) + # AIX sometimes has problems with the GCC collect2 program. For some + # reason, if we set the COLLECT_NAMES environment variable, the problems + # vanish in a puff of smoke. + if test "X${COLLECT_NAMES+set}" != Xset; then + COLLECT_NAMES= + export COLLECT_NAMES + fi + ;; +esac + +# Global variables: +ofile=libtool +can_build_shared=yes + +# All known linkers require a `.a' archive for static linking (except MSVC, +# which needs '.lib'). +libext=a + +with_gnu_ld="$lt_cv_prog_gnu_ld" + +old_CC="$CC" +old_CFLAGS="$CFLAGS" + +# Set sane defaults for various variables +test -z "$CC" && CC=cc +test -z "$LTCC" && LTCC=$CC +test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS +test -z "$LD" && LD=ld +test -z "$ac_objext" && ac_objext=o + +for cc_temp in $compiler""; do + case $cc_temp in + compile | *[\\/]compile | ccache | *[\\/]ccache ) ;; + distcc | *[\\/]distcc | purify | *[\\/]purify ) ;; + \-*) ;; + *) break;; + esac +done +cc_basename=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"` + + +# Only perform the check for file, if the check method requires it +test -z "$MAGIC_CMD" && MAGIC_CMD=file +case $deplibs_check_method in +file_magic*) + if test "$file_magic_cmd" = '$MAGIC_CMD'; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ${ac_tool_prefix}file" >&5 +$as_echo_n "checking for ${ac_tool_prefix}file... " >&6; } +if ${lt_cv_path_MAGIC_CMD+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $MAGIC_CMD in +[\\/*] | ?:[\\/]*) + lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path. + ;; +*) + lt_save_MAGIC_CMD="$MAGIC_CMD" + lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR + ac_dummy="/usr/bin$PATH_SEPARATOR$PATH" + for ac_dir in $ac_dummy; do + IFS="$lt_save_ifs" + test -z "$ac_dir" && ac_dir=. + if test -f $ac_dir/${ac_tool_prefix}file; then + lt_cv_path_MAGIC_CMD="$ac_dir/${ac_tool_prefix}file" + if test -n "$file_magic_test_file"; then + case $deplibs_check_method in + "file_magic "*) + file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"` + MAGIC_CMD="$lt_cv_path_MAGIC_CMD" + if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null | + $EGREP "$file_magic_regex" > /dev/null; then + : + else + cat <<_LT_EOF 1>&2 + +*** Warning: the command libtool uses to detect shared libraries, +*** $file_magic_cmd, produces output that libtool cannot recognize. +*** The result is that libtool may fail to recognize shared libraries +*** as such. This will affect the creation of libtool libraries that +*** depend on shared libraries, but programs linked with such libtool +*** libraries will work regardless of this problem. Nevertheless, you +*** may want to report the problem to your system manager and/or to +*** bug-libtool@gnu.org + +_LT_EOF + fi ;; + esac + fi + break + fi + done + IFS="$lt_save_ifs" + MAGIC_CMD="$lt_save_MAGIC_CMD" + ;; +esac +fi + +MAGIC_CMD="$lt_cv_path_MAGIC_CMD" +if test -n "$MAGIC_CMD"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5 +$as_echo "$MAGIC_CMD" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + + + +if test -z "$lt_cv_path_MAGIC_CMD"; then + if test -n "$ac_tool_prefix"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for file" >&5 +$as_echo_n "checking for file... " >&6; } +if ${lt_cv_path_MAGIC_CMD+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $MAGIC_CMD in +[\\/*] | ?:[\\/]*) + lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path. + ;; +*) + lt_save_MAGIC_CMD="$MAGIC_CMD" + lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR + ac_dummy="/usr/bin$PATH_SEPARATOR$PATH" + for ac_dir in $ac_dummy; do + IFS="$lt_save_ifs" + test -z "$ac_dir" && ac_dir=. + if test -f $ac_dir/file; then + lt_cv_path_MAGIC_CMD="$ac_dir/file" + if test -n "$file_magic_test_file"; then + case $deplibs_check_method in + "file_magic "*) + file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"` + MAGIC_CMD="$lt_cv_path_MAGIC_CMD" + if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null | + $EGREP "$file_magic_regex" > /dev/null; then + : + else + cat <<_LT_EOF 1>&2 + +*** Warning: the command libtool uses to detect shared libraries, +*** $file_magic_cmd, produces output that libtool cannot recognize. +*** The result is that libtool may fail to recognize shared libraries +*** as such. This will affect the creation of libtool libraries that +*** depend on shared libraries, but programs linked with such libtool +*** libraries will work regardless of this problem. Nevertheless, you +*** may want to report the problem to your system manager and/or to +*** bug-libtool@gnu.org + +_LT_EOF + fi ;; + esac + fi + break + fi + done + IFS="$lt_save_ifs" + MAGIC_CMD="$lt_save_MAGIC_CMD" + ;; +esac +fi + +MAGIC_CMD="$lt_cv_path_MAGIC_CMD" +if test -n "$MAGIC_CMD"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5 +$as_echo "$MAGIC_CMD" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + else + MAGIC_CMD=: + fi +fi + + fi + ;; +esac + +# Use C for the default configuration in the libtool script + +lt_save_CC="$CC" +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +# Source file extension for C test sources. +ac_ext=c + +# Object file extension for compiled C test sources. +objext=o +objext=$objext + +# Code to be used in simple compile tests +lt_simple_compile_test_code="int some_variable = 0;" + +# Code to be used in simple link tests +lt_simple_link_test_code='int main(){return(0);}' + + + + + + + +# If no C compiler was specified, use CC. +LTCC=${LTCC-"$CC"} + +# If no C compiler flags were specified, use CFLAGS. +LTCFLAGS=${LTCFLAGS-"$CFLAGS"} + +# Allow CC to be a program name with arguments. +compiler=$CC + +# Save the default compiler, since it gets overwritten when the other +# tags are being tested, and _LT_TAGVAR(compiler, []) is a NOP. +compiler_DEFAULT=$CC + +# save warnings/boilerplate of simple test code +ac_outfile=conftest.$ac_objext +echo "$lt_simple_compile_test_code" >conftest.$ac_ext +eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err +_lt_compiler_boilerplate=`cat conftest.err` +$RM conftest* + +ac_outfile=conftest.$ac_objext +echo "$lt_simple_link_test_code" >conftest.$ac_ext +eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err +_lt_linker_boilerplate=`cat conftest.err` +$RM -r conftest* + + +## CAVEAT EMPTOR: +## There is no encapsulation within the following macros, do not change +## the running order or otherwise move them around unless you know exactly +## what you are doing... +if test -n "$compiler"; then + +lt_prog_compiler_no_builtin_flag= + +if test "$GCC" = yes; then + case $cc_basename in + nvcc*) + lt_prog_compiler_no_builtin_flag=' -Xcompiler -fno-builtin' ;; + *) + lt_prog_compiler_no_builtin_flag=' -fno-builtin' ;; + esac + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -fno-rtti -fno-exceptions" >&5 +$as_echo_n "checking if $compiler supports -fno-rtti -fno-exceptions... " >&6; } +if ${lt_cv_prog_compiler_rtti_exceptions+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_rtti_exceptions=no + ac_outfile=conftest.$ac_objext + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + lt_compiler_flag="-fno-rtti -fno-exceptions" + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + # The option is referenced via a variable to avoid confusing sed. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) + (eval "$lt_compile" 2>conftest.err) + ac_status=$? + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + if (exit $ac_status) && test -s "$ac_outfile"; then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings other than the usual output. + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then + lt_cv_prog_compiler_rtti_exceptions=yes + fi + fi + $RM conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_rtti_exceptions" >&5 +$as_echo "$lt_cv_prog_compiler_rtti_exceptions" >&6; } + +if test x"$lt_cv_prog_compiler_rtti_exceptions" = xyes; then + lt_prog_compiler_no_builtin_flag="$lt_prog_compiler_no_builtin_flag -fno-rtti -fno-exceptions" +else + : +fi + +fi + + + + + + + lt_prog_compiler_wl= +lt_prog_compiler_pic= +lt_prog_compiler_static= + + + if test "$GCC" = yes; then + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_static='-static' + + case $host_os in + aix*) + # All AIX code is PIC. + if test "$host_cpu" = ia64; then + # AIX 5 now supports IA64 processor + lt_prog_compiler_static='-Bstatic' + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + lt_prog_compiler_pic='-fPIC' + ;; + m68k) + # FIXME: we need at least 68020 code to build shared libraries, but + # adding the `-m68020' flag to GCC prevents building anything better, + # like `-m68040'. + lt_prog_compiler_pic='-m68020 -resident32 -malways-restore-a4' + ;; + esac + ;; + + beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) + # PIC is the default for these OSes. + ;; + + mingw* | cygwin* | pw32* | os2* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + # Although the cygwin gcc ignores -fPIC, still need this for old-style + # (--disable-auto-import) libraries + lt_prog_compiler_pic='-DDLL_EXPORT' + ;; + + darwin* | rhapsody*) + # PIC is the default on this platform + # Common symbols not allowed in MH_DYLIB files + lt_prog_compiler_pic='-fno-common' + ;; + + haiku*) + # PIC is the default for Haiku. + # The "-static" flag exists, but is broken. + lt_prog_compiler_static= + ;; + + hpux*) + # PIC is the default for 64-bit PA HP-UX, but not for 32-bit + # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag + # sets the default TLS model and affects inlining. + case $host_cpu in + hppa*64*) + # +Z the default + ;; + *) + lt_prog_compiler_pic='-fPIC' + ;; + esac + ;; + + interix[3-9]*) + # Interix 3.x gcc -fpic/-fPIC options generate broken code. + # Instead, we relocate shared libraries at runtime. + ;; + + msdosdjgpp*) + # Just because we use GCC doesn't mean we suddenly get shared libraries + # on systems that don't support them. + lt_prog_compiler_can_build_shared=no + enable_shared=no + ;; + + *nto* | *qnx*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + lt_prog_compiler_pic='-fPIC -shared' + ;; + + sysv4*MP*) + if test -d /usr/nec; then + lt_prog_compiler_pic=-Kconform_pic + fi + ;; + + *) + lt_prog_compiler_pic='-fPIC' + ;; + esac + + case $cc_basename in + nvcc*) # Cuda Compiler Driver 2.2 + lt_prog_compiler_wl='-Xlinker ' + lt_prog_compiler_pic='-Xcompiler -fPIC' + ;; + esac + else + # PORTME Check for flag to pass linker flags through the system compiler. + case $host_os in + aix*) + lt_prog_compiler_wl='-Wl,' + if test "$host_cpu" = ia64; then + # AIX 5 now supports IA64 processor + lt_prog_compiler_static='-Bstatic' + else + lt_prog_compiler_static='-bnso -bI:/lib/syscalls.exp' + fi + ;; + + mingw* | cygwin* | pw32* | os2* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + lt_prog_compiler_pic='-DDLL_EXPORT' + ;; + + hpux9* | hpux10* | hpux11*) + lt_prog_compiler_wl='-Wl,' + # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but + # not for PA HP-UX. + case $host_cpu in + hppa*64*|ia64*) + # +Z the default + ;; + *) + lt_prog_compiler_pic='+Z' + ;; + esac + # Is there a better lt_prog_compiler_static that works with the bundled CC? + lt_prog_compiler_static='${wl}-a ${wl}archive' + ;; + + irix5* | irix6* | nonstopux*) + lt_prog_compiler_wl='-Wl,' + # PIC (with -KPIC) is the default. + lt_prog_compiler_static='-non_shared' + ;; + + linux* | k*bsd*-gnu | kopensolaris*-gnu) + case $cc_basename in + # old Intel for x86_64 which still supported -KPIC. + ecc*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-static' + ;; + # icc used to be incompatible with GCC. + # ICC 10 doesn't accept -KPIC any more. + icc* | ifort*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-fPIC' + lt_prog_compiler_static='-static' + ;; + # Lahey Fortran 8.1. + lf95*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='--shared' + lt_prog_compiler_static='--static' + ;; + nagfor*) + # NAG Fortran compiler + lt_prog_compiler_wl='-Wl,-Wl,,' + lt_prog_compiler_pic='-PIC' + lt_prog_compiler_static='-Bstatic' + ;; + pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*) + # Portland Group compilers (*not* the Pentium gcc compiler, + # which looks to be a dead project) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-fpic' + lt_prog_compiler_static='-Bstatic' + ;; + ccc*) + lt_prog_compiler_wl='-Wl,' + # All Alpha code is PIC. + lt_prog_compiler_static='-non_shared' + ;; + xl* | bgxl* | bgf* | mpixl*) + # IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-qpic' + lt_prog_compiler_static='-qstaticlink' + ;; + *) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ F* | *Sun*Fortran*) + # Sun Fortran 8.3 passes all unrecognized flags to the linker + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + lt_prog_compiler_wl='' + ;; + *Sun\ C*) + # Sun C 5.9 + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + lt_prog_compiler_wl='-Wl,' + ;; + esac + ;; + esac + ;; + + newsos6) + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + ;; + + *nto* | *qnx*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + lt_prog_compiler_pic='-fPIC -shared' + ;; + + osf3* | osf4* | osf5*) + lt_prog_compiler_wl='-Wl,' + # All OSF/1 code is PIC. + lt_prog_compiler_static='-non_shared' + ;; + + rdos*) + lt_prog_compiler_static='-non_shared' + ;; + + solaris*) + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + case $cc_basename in + f77* | f90* | f95* | sunf77* | sunf90* | sunf95*) + lt_prog_compiler_wl='-Qoption ld ';; + *) + lt_prog_compiler_wl='-Wl,';; + esac + ;; + + sunos4*) + lt_prog_compiler_wl='-Qoption ld ' + lt_prog_compiler_pic='-PIC' + lt_prog_compiler_static='-Bstatic' + ;; + + sysv4 | sysv4.2uw2* | sysv4.3*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + ;; + + sysv4*MP*) + if test -d /usr/nec ;then + lt_prog_compiler_pic='-Kconform_pic' + lt_prog_compiler_static='-Bstatic' + fi + ;; + + sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + ;; + + unicos*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_can_build_shared=no + ;; + + uts4*) + lt_prog_compiler_pic='-pic' + lt_prog_compiler_static='-Bstatic' + ;; + + *) + lt_prog_compiler_can_build_shared=no + ;; + esac + fi + +case $host_os in + # For platforms which do not support PIC, -DPIC is meaningless: + *djgpp*) + lt_prog_compiler_pic= + ;; + *) + lt_prog_compiler_pic="$lt_prog_compiler_pic -DPIC" + ;; +esac + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $compiler option to produce PIC" >&5 +$as_echo_n "checking for $compiler option to produce PIC... " >&6; } +if ${lt_cv_prog_compiler_pic+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_pic=$lt_prog_compiler_pic +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic" >&5 +$as_echo "$lt_cv_prog_compiler_pic" >&6; } +lt_prog_compiler_pic=$lt_cv_prog_compiler_pic + +# +# Check to make sure the PIC flag actually works. +# +if test -n "$lt_prog_compiler_pic"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler PIC flag $lt_prog_compiler_pic works" >&5 +$as_echo_n "checking if $compiler PIC flag $lt_prog_compiler_pic works... " >&6; } +if ${lt_cv_prog_compiler_pic_works+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_pic_works=no + ac_outfile=conftest.$ac_objext + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + lt_compiler_flag="$lt_prog_compiler_pic -DPIC" + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + # The option is referenced via a variable to avoid confusing sed. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) + (eval "$lt_compile" 2>conftest.err) + ac_status=$? + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + if (exit $ac_status) && test -s "$ac_outfile"; then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings other than the usual output. + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then + lt_cv_prog_compiler_pic_works=yes + fi + fi + $RM conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic_works" >&5 +$as_echo "$lt_cv_prog_compiler_pic_works" >&6; } + +if test x"$lt_cv_prog_compiler_pic_works" = xyes; then + case $lt_prog_compiler_pic in + "" | " "*) ;; + *) lt_prog_compiler_pic=" $lt_prog_compiler_pic" ;; + esac +else + lt_prog_compiler_pic= + lt_prog_compiler_can_build_shared=no +fi + +fi + + + + + + + + + + + +# +# Check to make sure the static flag actually works. +# +wl=$lt_prog_compiler_wl eval lt_tmp_static_flag=\"$lt_prog_compiler_static\" +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler static flag $lt_tmp_static_flag works" >&5 +$as_echo_n "checking if $compiler static flag $lt_tmp_static_flag works... " >&6; } +if ${lt_cv_prog_compiler_static_works+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_static_works=no + save_LDFLAGS="$LDFLAGS" + LDFLAGS="$LDFLAGS $lt_tmp_static_flag" + echo "$lt_simple_link_test_code" > conftest.$ac_ext + if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then + # The linker can only warn and ignore the option if not recognized + # So say no if there are warnings + if test -s conftest.err; then + # Append any errors to the config.log. + cat conftest.err 1>&5 + $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if diff conftest.exp conftest.er2 >/dev/null; then + lt_cv_prog_compiler_static_works=yes + fi + else + lt_cv_prog_compiler_static_works=yes + fi + fi + $RM -r conftest* + LDFLAGS="$save_LDFLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_static_works" >&5 +$as_echo "$lt_cv_prog_compiler_static_works" >&6; } + +if test x"$lt_cv_prog_compiler_static_works" = xyes; then + : +else + lt_prog_compiler_static= +fi + + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5 +$as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; } +if ${lt_cv_prog_compiler_c_o+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_c_o=no + $RM -r conftest 2>/dev/null + mkdir conftest + cd conftest + mkdir out + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + + lt_compiler_flag="-o out/conftest2.$ac_objext" + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) + (eval "$lt_compile" 2>out/conftest.err) + ac_status=$? + cat out/conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + if (exit $ac_status) && test -s out/conftest2.$ac_objext + then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp + $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2 + if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then + lt_cv_prog_compiler_c_o=yes + fi + fi + chmod u+w . 2>&5 + $RM conftest* + # SGI C++ compiler will create directory out/ii_files/ for + # template instantiation + test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files + $RM out/* && rmdir out + cd .. + $RM -r conftest + $RM conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5 +$as_echo "$lt_cv_prog_compiler_c_o" >&6; } + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5 +$as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; } +if ${lt_cv_prog_compiler_c_o+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_c_o=no + $RM -r conftest 2>/dev/null + mkdir conftest + cd conftest + mkdir out + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + + lt_compiler_flag="-o out/conftest2.$ac_objext" + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) + (eval "$lt_compile" 2>out/conftest.err) + ac_status=$? + cat out/conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + if (exit $ac_status) && test -s out/conftest2.$ac_objext + then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp + $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2 + if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then + lt_cv_prog_compiler_c_o=yes + fi + fi + chmod u+w . 2>&5 + $RM conftest* + # SGI C++ compiler will create directory out/ii_files/ for + # template instantiation + test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files + $RM out/* && rmdir out + cd .. + $RM -r conftest + $RM conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5 +$as_echo "$lt_cv_prog_compiler_c_o" >&6; } + + + + +hard_links="nottested" +if test "$lt_cv_prog_compiler_c_o" = no && test "$need_locks" != no; then + # do not overwrite the value of need_locks provided by the user + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if we can lock with hard links" >&5 +$as_echo_n "checking if we can lock with hard links... " >&6; } + hard_links=yes + $RM conftest* + ln conftest.a conftest.b 2>/dev/null && hard_links=no + touch conftest.a + ln conftest.a conftest.b 2>&5 || hard_links=no + ln conftest.a conftest.b 2>/dev/null && hard_links=no + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $hard_links" >&5 +$as_echo "$hard_links" >&6; } + if test "$hard_links" = no; then + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&5 +$as_echo "$as_me: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&2;} + need_locks=warn + fi +else + need_locks=no +fi + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $compiler linker ($LD) supports shared libraries" >&5 +$as_echo_n "checking whether the $compiler linker ($LD) supports shared libraries... " >&6; } + + runpath_var= + allow_undefined_flag= + always_export_symbols=no + archive_cmds= + archive_expsym_cmds= + compiler_needs_object=no + enable_shared_with_static_runtimes=no + export_dynamic_flag_spec= + export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' + hardcode_automatic=no + hardcode_direct=no + hardcode_direct_absolute=no + hardcode_libdir_flag_spec= + hardcode_libdir_flag_spec_ld= + hardcode_libdir_separator= + hardcode_minus_L=no + hardcode_shlibpath_var=unsupported + inherit_rpath=no + link_all_deplibs=unknown + module_cmds= + module_expsym_cmds= + old_archive_from_new_cmds= + old_archive_from_expsyms_cmds= + thread_safe_flag_spec= + whole_archive_flag_spec= + # include_expsyms should be a list of space-separated symbols to be *always* + # included in the symbol list + include_expsyms= + # exclude_expsyms can be an extended regexp of symbols to exclude + # it will be wrapped by ` (' and `)$', so one must not match beginning or + # end of line. Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc', + # as well as any symbol that contains `d'. + exclude_expsyms='_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*' + # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out + # platforms (ab)use it in PIC code, but their linkers get confused if + # the symbol is explicitly referenced. Since portable code cannot + # rely on this symbol name, it's probably fine to never include it in + # preloaded symbol tables. + # Exclude shared library initialization/finalization symbols. + extract_expsyms_cmds= + + case $host_os in + cygwin* | mingw* | pw32* | cegcc*) + # FIXME: the MSVC++ port hasn't been tested in a loooong time + # When not using gcc, we currently assume that we are using + # Microsoft Visual C++. + if test "$GCC" != yes; then + with_gnu_ld=no + fi + ;; + interix*) + # we just hope/assume this is gcc and not c89 (= MSVC++) + with_gnu_ld=yes + ;; + openbsd*) + with_gnu_ld=no + ;; + esac + + ld_shlibs=yes + + # On some targets, GNU ld is compatible enough with the native linker + # that we're better off using the native interface for both. + lt_use_gnu_ld_interface=no + if test "$with_gnu_ld" = yes; then + case $host_os in + aix*) + # The AIX port of GNU ld has always aspired to compatibility + # with the native linker. However, as the warning in the GNU ld + # block says, versions before 2.19.5* couldn't really create working + # shared libraries, regardless of the interface used. + case `$LD -v 2>&1` in + *\ \(GNU\ Binutils\)\ 2.19.5*) ;; + *\ \(GNU\ Binutils\)\ 2.[2-9]*) ;; + *\ \(GNU\ Binutils\)\ [3-9]*) ;; + *) + lt_use_gnu_ld_interface=yes + ;; + esac + ;; + *) + lt_use_gnu_ld_interface=yes + ;; + esac + fi + + if test "$lt_use_gnu_ld_interface" = yes; then + # If archive_cmds runs LD, not CC, wlarc should be empty + wlarc='${wl}' + + # Set some defaults for GNU ld with shared library support. These + # are reset later if shared libraries are not supported. Putting them + # here allows them to be overridden if necessary. + runpath_var=LD_RUN_PATH + hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + export_dynamic_flag_spec='${wl}--export-dynamic' + # ancient GNU ld didn't support --whole-archive et. al. + if $LD --help 2>&1 | $GREP 'no-whole-archive' > /dev/null; then + whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive' + else + whole_archive_flag_spec= + fi + supports_anon_versioning=no + case `$LD -v 2>&1` in + *GNU\ gold*) supports_anon_versioning=yes ;; + *\ [01].* | *\ 2.[0-9].* | *\ 2.10.*) ;; # catch versions < 2.11 + *\ 2.11.93.0.2\ *) supports_anon_versioning=yes ;; # RH7.3 ... + *\ 2.11.92.0.12\ *) supports_anon_versioning=yes ;; # Mandrake 8.2 ... + *\ 2.11.*) ;; # other 2.11 versions + *) supports_anon_versioning=yes ;; + esac + + # See if GNU ld supports shared libraries. + case $host_os in + aix[3-9]*) + # On AIX/PPC, the GNU linker is very broken + if test "$host_cpu" != ia64; then + ld_shlibs=no + cat <<_LT_EOF 1>&2 + +*** Warning: the GNU linker, at least up to release 2.19, is reported +*** to be unable to reliably create shared libraries on AIX. +*** Therefore, libtool is disabling shared libraries support. If you +*** really care for shared libraries, you may want to install binutils +*** 2.20 or above, or modify your PATH so that a non-GNU linker is found. +*** You will then need to restart the configuration process. + +_LT_EOF + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + archive_expsym_cmds='' + ;; + m68k) + archive_cmds='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' + hardcode_libdir_flag_spec='-L$libdir' + hardcode_minus_L=yes + ;; + esac + ;; + + beos*) + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + allow_undefined_flag=unsupported + # Joseph Beckenbach says some releases of gcc + # support --undefined. This deserves some investigation. FIXME + archive_cmds='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + else + ld_shlibs=no + fi + ;; + + cygwin* | mingw* | pw32* | cegcc*) + # _LT_TAGVAR(hardcode_libdir_flag_spec, ) is actually meaningless, + # as there is no search path for DLLs. + hardcode_libdir_flag_spec='-L$libdir' + export_dynamic_flag_spec='${wl}--export-all-symbols' + allow_undefined_flag=unsupported + always_export_symbols=no + enable_shared_with_static_runtimes=yes + export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1 DATA/;s/^.*[ ]__nm__\([^ ]*\)[ ][^ ]*/\1 DATA/;/^I[ ]/d;/^[AITW][ ]/s/.* //'\'' | sort | uniq > $export_symbols' + exclude_expsyms='[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname' + + if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + # If the export-symbols file already is a .def file (1st line + # is EXPORTS), use it as is; otherwise, prepend... + archive_expsym_cmds='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then + cp $export_symbols $output_objdir/$soname.def; + else + echo EXPORTS > $output_objdir/$soname.def; + cat $export_symbols >> $output_objdir/$soname.def; + fi~ + $CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + else + ld_shlibs=no + fi + ;; + + haiku*) + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + link_all_deplibs=yes + ;; + + interix[3-9]*) + hardcode_direct=no + hardcode_shlibpath_var=no + hardcode_libdir_flag_spec='${wl}-rpath,$libdir' + export_dynamic_flag_spec='${wl}-E' + # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc. + # Instead, shared libraries are loaded at an image base (0x10000000 by + # default) and relocated if they conflict, which is a slow very memory + # consuming and fragmenting process. To avoid this, we pick a random, + # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link + # time. Moving up from 0x10000000 also allows more sbrk(2) space. + archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + archive_expsym_cmds='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + ;; + + gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu) + tmp_diet=no + if test "$host_os" = linux-dietlibc; then + case $cc_basename in + diet\ *) tmp_diet=yes;; # linux-dietlibc with static linking (!diet-dyn) + esac + fi + if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \ + && test "$tmp_diet" = no + then + tmp_addflag=' $pic_flag' + tmp_sharedflag='-shared' + case $cc_basename,$host_cpu in + pgcc*) # Portland Group C compiler + whole_archive_flag_spec='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' + tmp_addflag=' $pic_flag' + ;; + pgf77* | pgf90* | pgf95* | pgfortran*) + # Portland Group f77 and f90 compilers + whole_archive_flag_spec='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' + tmp_addflag=' $pic_flag -Mnomain' ;; + ecc*,ia64* | icc*,ia64*) # Intel C compiler on ia64 + tmp_addflag=' -i_dynamic' ;; + efc*,ia64* | ifort*,ia64*) # Intel Fortran compiler on ia64 + tmp_addflag=' -i_dynamic -nofor_main' ;; + ifc* | ifort*) # Intel Fortran compiler + tmp_addflag=' -nofor_main' ;; + lf95*) # Lahey Fortran 8.1 + whole_archive_flag_spec= + tmp_sharedflag='--shared' ;; + xl[cC]* | bgxl[cC]* | mpixl[cC]*) # IBM XL C 8.0 on PPC (deal with xlf below) + tmp_sharedflag='-qmkshrobj' + tmp_addflag= ;; + nvcc*) # Cuda Compiler Driver 2.2 + whole_archive_flag_spec='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' + compiler_needs_object=yes + ;; + esac + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) # Sun C 5.9 + whole_archive_flag_spec='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' + compiler_needs_object=yes + tmp_sharedflag='-G' ;; + *Sun\ F*) # Sun Fortran 8.3 + tmp_sharedflag='-G' ;; + esac + archive_cmds='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + + if test "x$supports_anon_versioning" = xyes; then + archive_expsym_cmds='echo "{ global:" > $output_objdir/$libname.ver~ + cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ + echo "local: *; };" >> $output_objdir/$libname.ver~ + $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib' + fi + + case $cc_basename in + xlf* | bgf* | bgxlf* | mpixlf*) + # IBM XL Fortran 10.1 on PPC cannot create shared libs itself + whole_archive_flag_spec='--whole-archive$convenience --no-whole-archive' + hardcode_libdir_flag_spec= + hardcode_libdir_flag_spec_ld='-rpath $libdir' + archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname -o $lib' + if test "x$supports_anon_versioning" = xyes; then + archive_expsym_cmds='echo "{ global:" > $output_objdir/$libname.ver~ + cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ + echo "local: *; };" >> $output_objdir/$libname.ver~ + $LD -shared $libobjs $deplibs $linker_flags -soname $soname -version-script $output_objdir/$libname.ver -o $lib' + fi + ;; + esac + else + ld_shlibs=no + fi + ;; + + netbsd*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib' + wlarc= + else + archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + fi + ;; + + solaris*) + if $LD -v 2>&1 | $GREP 'BFD 2\.8' > /dev/null; then + ld_shlibs=no + cat <<_LT_EOF 1>&2 + +*** Warning: The releases 2.8.* of the GNU linker cannot reliably +*** create shared libraries on Solaris systems. Therefore, libtool +*** is disabling shared libraries support. We urge you to upgrade GNU +*** binutils to release 2.9.1 or newer. Another option is to modify +*** your PATH or compiler configuration so that the native linker is +*** used, and then restart. + +_LT_EOF + elif $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + else + ld_shlibs=no + fi + ;; + + sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*) + case `$LD -v 2>&1` in + *\ [01].* | *\ 2.[0-9].* | *\ 2.1[0-5].*) + ld_shlibs=no + cat <<_LT_EOF 1>&2 + +*** Warning: Releases of the GNU linker prior to 2.16.91.0.3 can not +*** reliably create shared libraries on SCO systems. Therefore, libtool +*** is disabling shared libraries support. We urge you to upgrade GNU +*** binutils to release 2.16.91.0.3 or newer. Another option is to modify +*** your PATH or compiler configuration so that the native linker is +*** used, and then restart. + +_LT_EOF + ;; + *) + # For security reasons, it is highly recommended that you always + # use absolute paths for naming shared libraries, and exclude the + # DT_RUNPATH tag from executables and libraries. But doing so + # requires that you compile everything twice, which is a pain. + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + else + ld_shlibs=no + fi + ;; + esac + ;; + + sunos4*) + archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags' + wlarc= + hardcode_direct=yes + hardcode_shlibpath_var=no + ;; + + *) + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + else + ld_shlibs=no + fi + ;; + esac + + if test "$ld_shlibs" = no; then + runpath_var= + hardcode_libdir_flag_spec= + export_dynamic_flag_spec= + whole_archive_flag_spec= + fi + else + # PORTME fill in a description of your system's linker (not GNU ld) + case $host_os in + aix3*) + allow_undefined_flag=unsupported + always_export_symbols=yes + archive_expsym_cmds='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname' + # Note: this linker hardcodes the directories in LIBPATH if there + # are no directories specified by -L. + hardcode_minus_L=yes + if test "$GCC" = yes && test -z "$lt_prog_compiler_static"; then + # Neither direct hardcoding nor static linking is supported with a + # broken collect2. + hardcode_direct=unsupported + fi + ;; + + aix[4-9]*) + if test "$host_cpu" = ia64; then + # On IA64, the linker does run time linking by default, so we don't + # have to do anything special. + aix_use_runtimelinking=no + exp_sym_flag='-Bexport' + no_entry_flag="" + else + # If we're using GNU nm, then we don't want the "-C" option. + # -C means demangle to AIX nm, but means don't demangle with GNU nm + # Also, AIX nm treats weak defined symbols like other global + # defined symbols, whereas GNU nm marks them as "W". + if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then + export_symbols_cmds='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && (substr(\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols' + else + export_symbols_cmds='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && (substr(\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols' + fi + aix_use_runtimelinking=no + + # Test if we are trying to use run time linking or normal + # AIX style linking. If -brtl is somewhere in LDFLAGS, we + # need to do runtime linking. + case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*) + for ld_flag in $LDFLAGS; do + if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then + aix_use_runtimelinking=yes + break + fi + done + ;; + esac + + exp_sym_flag='-bexport' + no_entry_flag='-bnoentry' + fi + + # When large executables or shared objects are built, AIX ld can + # have problems creating the table of contents. If linking a library + # or program results in "error TOC overflow" add -mminimal-toc to + # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not + # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. + + archive_cmds='' + hardcode_direct=yes + hardcode_direct_absolute=yes + hardcode_libdir_separator=':' + link_all_deplibs=yes + file_list_spec='${wl}-f,' + + if test "$GCC" = yes; then + case $host_os in aix4.[012]|aix4.[012].*) + # We only want to do this on AIX 4.2 and lower, the check + # below for broken collect2 doesn't work under 4.3+ + collect2name=`${CC} -print-prog-name=collect2` + if test -f "$collect2name" && + strings "$collect2name" | $GREP resolve_lib_name >/dev/null + then + # We have reworked collect2 + : + else + # We have old collect2 + hardcode_direct=unsupported + # It fails to find uninstalled libraries when the uninstalled + # path is not listed in the libpath. Setting hardcode_minus_L + # to unsupported forces relinking + hardcode_minus_L=yes + hardcode_libdir_flag_spec='-L$libdir' + hardcode_libdir_separator= + fi + ;; + esac + shared_flag='-shared' + if test "$aix_use_runtimelinking" = yes; then + shared_flag="$shared_flag "'${wl}-G' + fi + else + # not using gcc + if test "$host_cpu" = ia64; then + # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release + # chokes on -Wl,-G. The following line is correct: + shared_flag='-G' + else + if test "$aix_use_runtimelinking" = yes; then + shared_flag='${wl}-G' + else + shared_flag='${wl}-bM:SRE' + fi + fi + fi + + export_dynamic_flag_spec='${wl}-bexpall' + # It seems that -bexpall does not export symbols beginning with + # underscore (_), so it is better to generate a list of symbols to export. + always_export_symbols=yes + if test "$aix_use_runtimelinking" = yes; then + # Warning - without using the other runtime loading flags (-brtl), + # -berok will link without error, but may produce a broken library. + allow_undefined_flag='-berok' + # Determine the default libpath from the value encoded in an + # empty executable. + if test "${lt_cv_aix_libpath+set}" = set; then + aix_libpath=$lt_cv_aix_libpath +else + if ${lt_cv_aix_libpath_+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + + lt_aix_libpath_sed=' + /Import File Strings/,/^$/ { + /^0/ { + s/^0 *\([^ ]*\) *$/\1/ + p + } + }' + lt_cv_aix_libpath_=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + # Check for a 64-bit object if we didn't find anything. + if test -z "$lt_cv_aix_libpath_"; then + lt_cv_aix_libpath_=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + fi +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + if test -z "$lt_cv_aix_libpath_"; then + lt_cv_aix_libpath_="/usr/lib:/lib" + fi + +fi + + aix_libpath=$lt_cv_aix_libpath_ +fi + + hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath" + archive_expsym_cmds='$CC -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then func_echo_all "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag" + else + if test "$host_cpu" = ia64; then + hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib' + allow_undefined_flag="-z nodefs" + archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols" + else + # Determine the default libpath from the value encoded in an + # empty executable. + if test "${lt_cv_aix_libpath+set}" = set; then + aix_libpath=$lt_cv_aix_libpath +else + if ${lt_cv_aix_libpath_+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + + lt_aix_libpath_sed=' + /Import File Strings/,/^$/ { + /^0/ { + s/^0 *\([^ ]*\) *$/\1/ + p + } + }' + lt_cv_aix_libpath_=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + # Check for a 64-bit object if we didn't find anything. + if test -z "$lt_cv_aix_libpath_"; then + lt_cv_aix_libpath_=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + fi +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + if test -z "$lt_cv_aix_libpath_"; then + lt_cv_aix_libpath_="/usr/lib:/lib" + fi + +fi + + aix_libpath=$lt_cv_aix_libpath_ +fi + + hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath" + # Warning - without using the other run time loading flags, + # -berok will link without error, but may produce a broken library. + no_undefined_flag=' ${wl}-bernotok' + allow_undefined_flag=' ${wl}-berok' + if test "$with_gnu_ld" = yes; then + # We only use this code for GNU lds that support --whole-archive. + whole_archive_flag_spec='${wl}--whole-archive$convenience ${wl}--no-whole-archive' + else + # Exported symbols can be pulled into shared objects from archives + whole_archive_flag_spec='$convenience' + fi + archive_cmds_need_lc=yes + # This is similar to how AIX traditionally builds its shared libraries. + archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname' + fi + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + archive_expsym_cmds='' + ;; + m68k) + archive_cmds='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' + hardcode_libdir_flag_spec='-L$libdir' + hardcode_minus_L=yes + ;; + esac + ;; + + bsdi[45]*) + export_dynamic_flag_spec=-rdynamic + ;; + + cygwin* | mingw* | pw32* | cegcc*) + # When not using gcc, we currently assume that we are using + # Microsoft Visual C++. + # hardcode_libdir_flag_spec is actually meaningless, as there is + # no search path for DLLs. + case $cc_basename in + cl*) + # Native MSVC + hardcode_libdir_flag_spec=' ' + allow_undefined_flag=unsupported + always_export_symbols=yes + file_list_spec='@' + # Tell ltmain to make .lib files, not .a files. + libext=lib + # Tell ltmain to make .dll files, not .so files. + shrext_cmds=".dll" + # FIXME: Setting linknames here is a bad hack. + archive_cmds='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-dll~linknames=' + archive_expsym_cmds='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then + sed -n -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' -e '1\\\!p' < $export_symbols > $output_objdir/$soname.exp; + else + sed -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' < $export_symbols > $output_objdir/$soname.exp; + fi~ + $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~ + linknames=' + # The linker will not automatically build a static lib if we build a DLL. + # _LT_TAGVAR(old_archive_from_new_cmds, )='true' + enable_shared_with_static_runtimes=yes + export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1,DATA/'\'' | $SED -e '\''/^[AITW][ ]/s/.*[ ]//'\'' | sort | uniq > $export_symbols' + # Don't use ranlib + old_postinstall_cmds='chmod 644 $oldlib' + postlink_cmds='lt_outputfile="@OUTPUT@"~ + lt_tool_outputfile="@TOOL_OUTPUT@"~ + case $lt_outputfile in + *.exe|*.EXE) ;; + *) + lt_outputfile="$lt_outputfile.exe" + lt_tool_outputfile="$lt_tool_outputfile.exe" + ;; + esac~ + if test "$MANIFEST_TOOL" != ":" && test -f "$lt_outputfile.manifest"; then + $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1; + $RM "$lt_outputfile.manifest"; + fi' + ;; + *) + # Assume MSVC wrapper + hardcode_libdir_flag_spec=' ' + allow_undefined_flag=unsupported + # Tell ltmain to make .lib files, not .a files. + libext=lib + # Tell ltmain to make .dll files, not .so files. + shrext_cmds=".dll" + # FIXME: Setting linknames here is a bad hack. + archive_cmds='$CC -o $lib $libobjs $compiler_flags `func_echo_all "$deplibs" | $SED '\''s/ -lc$//'\''` -link -dll~linknames=' + # The linker will automatically build a .lib file if we build a DLL. + old_archive_from_new_cmds='true' + # FIXME: Should let the user specify the lib program. + old_archive_cmds='lib -OUT:$oldlib$oldobjs$old_deplibs' + enable_shared_with_static_runtimes=yes + ;; + esac + ;; + + darwin* | rhapsody*) + + + archive_cmds_need_lc=no + hardcode_direct=no + hardcode_automatic=yes + hardcode_shlibpath_var=unsupported + if test "$lt_cv_ld_force_load" = "yes"; then + whole_archive_flag_spec='`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience ${wl}-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`' + else + whole_archive_flag_spec='' + fi + link_all_deplibs=yes + allow_undefined_flag="$_lt_dar_allow_undefined" + case $cc_basename in + ifort*) _lt_dar_can_shared=yes ;; + *) _lt_dar_can_shared=$GCC ;; + esac + if test "$_lt_dar_can_shared" = "yes"; then + output_verbose_link_cmd=func_echo_all + archive_cmds="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod${_lt_dsymutil}" + module_cmds="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}" + archive_expsym_cmds="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring ${_lt_dar_single_mod}${_lt_dar_export_syms}${_lt_dsymutil}" + module_expsym_cmds="sed -e 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dar_export_syms}${_lt_dsymutil}" + + else + ld_shlibs=no + fi + + ;; + + dgux*) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_libdir_flag_spec='-L$libdir' + hardcode_shlibpath_var=no + ;; + + freebsd1*) + ld_shlibs=no + ;; + + # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor + # support. Future versions do this automatically, but an explicit c++rt0.o + # does not break anything, and helps significantly (at the cost of a little + # extra space). + freebsd2.2*) + archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o' + hardcode_libdir_flag_spec='-R$libdir' + hardcode_direct=yes + hardcode_shlibpath_var=no + ;; + + # Unfortunately, older versions of FreeBSD 2 do not have this feature. + freebsd2*) + archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' + hardcode_direct=yes + hardcode_minus_L=yes + hardcode_shlibpath_var=no + ;; + + # FreeBSD 3 and greater uses gcc -shared to do shared libraries. + freebsd* | dragonfly*) + archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + hardcode_libdir_flag_spec='-R$libdir' + hardcode_direct=yes + hardcode_shlibpath_var=no + ;; + + hpux9*) + if test "$GCC" = yes; then + archive_cmds='$RM $output_objdir/$soname~$CC -shared $pic_flag ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' + else + archive_cmds='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' + fi + hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' + hardcode_libdir_separator=: + hardcode_direct=yes + + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + hardcode_minus_L=yes + export_dynamic_flag_spec='${wl}-E' + ;; + + hpux10*) + if test "$GCC" = yes && test "$with_gnu_ld" = no; then + archive_cmds='$CC -shared $pic_flag ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' + else + archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' + fi + if test "$with_gnu_ld" = no; then + hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' + hardcode_libdir_flag_spec_ld='+b $libdir' + hardcode_libdir_separator=: + hardcode_direct=yes + hardcode_direct_absolute=yes + export_dynamic_flag_spec='${wl}-E' + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + hardcode_minus_L=yes + fi + ;; + + hpux11*) + if test "$GCC" = yes && test "$with_gnu_ld" = no; then + case $host_cpu in + hppa*64*) + archive_cmds='$CC -shared ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + ia64*) + archive_cmds='$CC -shared $pic_flag ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' + ;; + *) + archive_cmds='$CC -shared $pic_flag ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + else + case $host_cpu in + hppa*64*) + archive_cmds='$CC -b ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + ia64*) + archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' + ;; + *) + + # Older versions of the 11.00 compiler do not understand -b yet + # (HP92453-01 A.11.01.20 doesn't, HP92453-01 B.11.X.35175-35176.GP does) + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC understands -b" >&5 +$as_echo_n "checking if $CC understands -b... " >&6; } +if ${lt_cv_prog_compiler__b+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler__b=no + save_LDFLAGS="$LDFLAGS" + LDFLAGS="$LDFLAGS -b" + echo "$lt_simple_link_test_code" > conftest.$ac_ext + if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then + # The linker can only warn and ignore the option if not recognized + # So say no if there are warnings + if test -s conftest.err; then + # Append any errors to the config.log. + cat conftest.err 1>&5 + $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if diff conftest.exp conftest.er2 >/dev/null; then + lt_cv_prog_compiler__b=yes + fi + else + lt_cv_prog_compiler__b=yes + fi + fi + $RM -r conftest* + LDFLAGS="$save_LDFLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler__b" >&5 +$as_echo "$lt_cv_prog_compiler__b" >&6; } + +if test x"$lt_cv_prog_compiler__b" = xyes; then + archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' +else + archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' +fi + + ;; + esac + fi + if test "$with_gnu_ld" = no; then + hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' + hardcode_libdir_separator=: + + case $host_cpu in + hppa*64*|ia64*) + hardcode_direct=no + hardcode_shlibpath_var=no + ;; + *) + hardcode_direct=yes + hardcode_direct_absolute=yes + export_dynamic_flag_spec='${wl}-E' + + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + hardcode_minus_L=yes + ;; + esac + fi + ;; + + irix5* | irix6* | nonstopux*) + if test "$GCC" = yes; then + archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' + # Try to use the -exported_symbol ld option, if it does not + # work, assume that -exports_file does not work either and + # implicitly export all symbols. + # This should be the same for all languages, so no per-tag cache variable. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $host_os linker accepts -exported_symbol" >&5 +$as_echo_n "checking whether the $host_os linker accepts -exported_symbol... " >&6; } +if ${lt_cv_irix_exported_symbol+:} false; then : + $as_echo_n "(cached) " >&6 +else + save_LDFLAGS="$LDFLAGS" + LDFLAGS="$LDFLAGS -shared ${wl}-exported_symbol ${wl}foo ${wl}-update_registry ${wl}/dev/null" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int foo (void) { return 0; } +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + lt_cv_irix_exported_symbol=yes +else + lt_cv_irix_exported_symbol=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LDFLAGS="$save_LDFLAGS" +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_irix_exported_symbol" >&5 +$as_echo "$lt_cv_irix_exported_symbol" >&6; } + if test "$lt_cv_irix_exported_symbol" = yes; then + archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations ${wl}-exports_file ${wl}$export_symbols -o $lib' + fi + else + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' + archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -exports_file $export_symbols -o $lib' + fi + archive_cmds_need_lc='no' + hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + hardcode_libdir_separator=: + inherit_rpath=yes + link_all_deplibs=yes + ;; + + netbsd*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out + else + archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF + fi + hardcode_libdir_flag_spec='-R$libdir' + hardcode_direct=yes + hardcode_shlibpath_var=no + ;; + + newsos6) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_direct=yes + hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + hardcode_libdir_separator=: + hardcode_shlibpath_var=no + ;; + + *nto* | *qnx*) + ;; + + openbsd*) + if test -f /usr/libexec/ld.so; then + hardcode_direct=yes + hardcode_shlibpath_var=no + hardcode_direct_absolute=yes + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then + archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-retain-symbols-file,$export_symbols' + hardcode_libdir_flag_spec='${wl}-rpath,$libdir' + export_dynamic_flag_spec='${wl}-E' + else + case $host_os in + openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*) + archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' + hardcode_libdir_flag_spec='-R$libdir' + ;; + *) + archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + hardcode_libdir_flag_spec='${wl}-rpath,$libdir' + ;; + esac + fi + else + ld_shlibs=no + fi + ;; + + os2*) + hardcode_libdir_flag_spec='-L$libdir' + hardcode_minus_L=yes + allow_undefined_flag=unsupported + archive_cmds='$ECHO "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~echo DATA >> $output_objdir/$libname.def~echo " SINGLE NONSHARED" >> $output_objdir/$libname.def~echo EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def' + old_archive_from_new_cmds='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def' + ;; + + osf3*) + if test "$GCC" = yes; then + allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' + archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' + else + allow_undefined_flag=' -expect_unresolved \*' + archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' + fi + archive_cmds_need_lc='no' + hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + hardcode_libdir_separator=: + ;; + + osf4* | osf5*) # as osf3* with the addition of -msym flag + if test "$GCC" = yes; then + allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' + archive_cmds='$CC -shared${allow_undefined_flag} $pic_flag $libobjs $deplibs $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' + hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + else + allow_undefined_flag=' -expect_unresolved \*' + archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' + archive_expsym_cmds='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~ + $CC -shared${allow_undefined_flag} ${wl}-input ${wl}$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib~$RM $lib.exp' + + # Both c and cxx compiler support -rpath directly + hardcode_libdir_flag_spec='-rpath $libdir' + fi + archive_cmds_need_lc='no' + hardcode_libdir_separator=: + ;; + + solaris*) + no_undefined_flag=' -z defs' + if test "$GCC" = yes; then + wlarc='${wl}' + archive_cmds='$CC -shared $pic_flag ${wl}-z ${wl}text ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -shared $pic_flag ${wl}-z ${wl}text ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' + else + case `$CC -V 2>&1` in + *"Compilers 5.0"*) + wlarc='' + archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags' + archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp' + ;; + *) + wlarc='${wl}' + archive_cmds='$CC -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' + ;; + esac + fi + hardcode_libdir_flag_spec='-R$libdir' + hardcode_shlibpath_var=no + case $host_os in + solaris2.[0-5] | solaris2.[0-5].*) ;; + *) + # The compiler driver will combine and reorder linker options, + # but understands `-z linker_flag'. GCC discards it without `$wl', + # but is careful enough not to reorder. + # Supported since Solaris 2.6 (maybe 2.5.1?) + if test "$GCC" = yes; then + whole_archive_flag_spec='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract' + else + whole_archive_flag_spec='-z allextract$convenience -z defaultextract' + fi + ;; + esac + link_all_deplibs=yes + ;; + + sunos4*) + if test "x$host_vendor" = xsequent; then + # Use $CC to link under sequent, because it throws in some extra .o + # files that make .init and .fini sections work. + archive_cmds='$CC -G ${wl}-h $soname -o $lib $libobjs $deplibs $compiler_flags' + else + archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags' + fi + hardcode_libdir_flag_spec='-L$libdir' + hardcode_direct=yes + hardcode_minus_L=yes + hardcode_shlibpath_var=no + ;; + + sysv4) + case $host_vendor in + sni) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_direct=yes # is this really true??? + ;; + siemens) + ## LD is ld it makes a PLAMLIB + ## CC just makes a GrossModule. + archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags' + reload_cmds='$CC -r -o $output$reload_objs' + hardcode_direct=no + ;; + motorola) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_direct=no #Motorola manual says yes, but my tests say they lie + ;; + esac + runpath_var='LD_RUN_PATH' + hardcode_shlibpath_var=no + ;; + + sysv4.3*) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_shlibpath_var=no + export_dynamic_flag_spec='-Bexport' + ;; + + sysv4*MP*) + if test -d /usr/nec; then + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_shlibpath_var=no + runpath_var=LD_RUN_PATH + hardcode_runpath_var=yes + ld_shlibs=yes + fi + ;; + + sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*) + no_undefined_flag='${wl}-z,text' + archive_cmds_need_lc=no + hardcode_shlibpath_var=no + runpath_var='LD_RUN_PATH' + + if test "$GCC" = yes; then + archive_cmds='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + else + archive_cmds='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + fi + ;; + + sysv5* | sco3.2v5* | sco5v6*) + # Note: We can NOT use -z defs as we might desire, because we do not + # link with -lc, and that would cause any symbols used from libc to + # always be unresolved, which means just about no library would + # ever link correctly. If we're not using GNU ld we use -z text + # though, which does catch some bad symbols but isn't as heavy-handed + # as -z defs. + no_undefined_flag='${wl}-z,text' + allow_undefined_flag='${wl}-z,nodefs' + archive_cmds_need_lc=no + hardcode_shlibpath_var=no + hardcode_libdir_flag_spec='${wl}-R,$libdir' + hardcode_libdir_separator=':' + link_all_deplibs=yes + export_dynamic_flag_spec='${wl}-Bexport' + runpath_var='LD_RUN_PATH' + + if test "$GCC" = yes; then + archive_cmds='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + else + archive_cmds='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + fi + ;; + + uts4*) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_libdir_flag_spec='-L$libdir' + hardcode_shlibpath_var=no + ;; + + *) + ld_shlibs=no + ;; + esac + + if test x$host_vendor = xsni; then + case $host in + sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) + export_dynamic_flag_spec='${wl}-Blargedynsym' + ;; + esac + fi + fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ld_shlibs" >&5 +$as_echo "$ld_shlibs" >&6; } +test "$ld_shlibs" = no && can_build_shared=no + +with_gnu_ld=$with_gnu_ld + + + + + + + + + + + + + + + +# +# Do we need to explicitly link libc? +# +case "x$archive_cmds_need_lc" in +x|xyes) + # Assume -lc should be added + archive_cmds_need_lc=yes + + if test "$enable_shared" = yes && test "$GCC" = yes; then + case $archive_cmds in + *'~'*) + # FIXME: we may have to deal with multi-command sequences. + ;; + '$CC '*) + # Test whether the compiler implicitly links with -lc since on some + # systems, -lgcc has to come before -lc. If gcc already passes -lc + # to ld, don't add -lc before -lgcc. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -lc should be explicitly linked in" >&5 +$as_echo_n "checking whether -lc should be explicitly linked in... " >&6; } +if ${lt_cv_archive_cmds_need_lc+:} false; then : + $as_echo_n "(cached) " >&6 +else + $RM conftest* + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } 2>conftest.err; then + soname=conftest + lib=conftest + libobjs=conftest.$ac_objext + deplibs= + wl=$lt_prog_compiler_wl + pic_flag=$lt_prog_compiler_pic + compiler_flags=-v + linker_flags=-v + verstring= + output_objdir=. + libname=conftest + lt_save_allow_undefined_flag=$allow_undefined_flag + allow_undefined_flag= + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$archive_cmds 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1\""; } >&5 + (eval $archive_cmds 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + then + lt_cv_archive_cmds_need_lc=no + else + lt_cv_archive_cmds_need_lc=yes + fi + allow_undefined_flag=$lt_save_allow_undefined_flag + else + cat conftest.err 1>&5 + fi + $RM conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_archive_cmds_need_lc" >&5 +$as_echo "$lt_cv_archive_cmds_need_lc" >&6; } + archive_cmds_need_lc=$lt_cv_archive_cmds_need_lc + ;; + esac + fi + ;; +esac + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking dynamic linker characteristics" >&5 +$as_echo_n "checking dynamic linker characteristics... " >&6; } + +if test "$GCC" = yes; then + case $host_os in + darwin*) lt_awk_arg="/^libraries:/,/LR/" ;; + *) lt_awk_arg="/^libraries:/" ;; + esac + case $host_os in + mingw* | cegcc*) lt_sed_strip_eq="s,=\([A-Za-z]:\),\1,g" ;; + *) lt_sed_strip_eq="s,=/,/,g" ;; + esac + lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e $lt_sed_strip_eq` + case $lt_search_path_spec in + *\;*) + # if the path contains ";" then we assume it to be the separator + # otherwise default to the standard path separator (i.e. ":") - it is + # assumed that no part of a normal pathname contains ";" but that should + # okay in the real world where ";" in dirpaths is itself problematic. + lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED 's/;/ /g'` + ;; + *) + lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED "s/$PATH_SEPARATOR/ /g"` + ;; + esac + # Ok, now we have the path, separated by spaces, we can step through it + # and add multilib dir if necessary. + lt_tmp_lt_search_path_spec= + lt_multi_os_dir=`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null` + for lt_sys_path in $lt_search_path_spec; do + if test -d "$lt_sys_path/$lt_multi_os_dir"; then + lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path/$lt_multi_os_dir" + else + test -d "$lt_sys_path" && \ + lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path" + fi + done + lt_search_path_spec=`$ECHO "$lt_tmp_lt_search_path_spec" | awk ' +BEGIN {RS=" "; FS="/|\n";} { + lt_foo=""; + lt_count=0; + for (lt_i = NF; lt_i > 0; lt_i--) { + if ($lt_i != "" && $lt_i != ".") { + if ($lt_i == "..") { + lt_count++; + } else { + if (lt_count == 0) { + lt_foo="/" $lt_i lt_foo; + } else { + lt_count--; + } + } + } + } + if (lt_foo != "") { lt_freq[lt_foo]++; } + if (lt_freq[lt_foo] == 1) { print lt_foo; } +}'` + # AWK program above erroneously prepends '/' to C:/dos/paths + # for these hosts. + case $host_os in + mingw* | cegcc*) lt_search_path_spec=`$ECHO "$lt_search_path_spec" |\ + $SED 's,/\([A-Za-z]:\),\1,g'` ;; + esac + sys_lib_search_path_spec=`$ECHO "$lt_search_path_spec" | $lt_NL2SP` +else + sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib" +fi +library_names_spec= +libname_spec='lib$name' +soname_spec= +shrext_cmds=".so" +postinstall_cmds= +postuninstall_cmds= +finish_cmds= +finish_eval= +shlibpath_var= +shlibpath_overrides_runpath=unknown +version_type=none +dynamic_linker="$host_os ld.so" +sys_lib_dlsearch_path_spec="/lib /usr/lib" +need_lib_prefix=unknown +hardcode_into_libs=no + +# when you set need_version to no, make sure it does not cause -set_version +# flags to be left without arguments +need_version=unknown + +case $host_os in +aix3*) + version_type=linux + library_names_spec='${libname}${release}${shared_ext}$versuffix $libname.a' + shlibpath_var=LIBPATH + + # AIX 3 has no versioning support, so we append a major version to the name. + soname_spec='${libname}${release}${shared_ext}$major' + ;; + +aix[4-9]*) + version_type=linux + need_lib_prefix=no + need_version=no + hardcode_into_libs=yes + if test "$host_cpu" = ia64; then + # AIX 5 supports IA64 + library_names_spec='${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext}$versuffix $libname${shared_ext}' + shlibpath_var=LD_LIBRARY_PATH + else + # With GCC up to 2.95.x, collect2 would create an import file + # for dependence libraries. The import file would start with + # the line `#! .'. This would cause the generated library to + # depend on `.', always an invalid library. This was fixed in + # development snapshots of GCC prior to 3.0. + case $host_os in + aix4 | aix4.[01] | aix4.[01].*) + if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)' + echo ' yes ' + echo '#endif'; } | ${CC} -E - | $GREP yes > /dev/null; then + : + else + can_build_shared=no + fi + ;; + esac + # AIX (on Power*) has no versioning support, so currently we can not hardcode correct + # soname into executable. Probably we can add versioning support to + # collect2, so additional links can be useful in future. + if test "$aix_use_runtimelinking" = yes; then + # If using run time linking (on AIX 4.2 or later) use lib.so + # instead of lib.a to let people know that these are not + # typical AIX shared libraries. + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + else + # We preserve .a as extension for shared libraries through AIX4.2 + # and later when we are not doing run time linking. + library_names_spec='${libname}${release}.a $libname.a' + soname_spec='${libname}${release}${shared_ext}$major' + fi + shlibpath_var=LIBPATH + fi + ;; + +amigaos*) + case $host_cpu in + powerpc) + # Since July 2007 AmigaOS4 officially supports .so libraries. + # When compiling the executable, add -use-dynld -Lsobjs: to the compileline. + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + ;; + m68k) + library_names_spec='$libname.ixlibrary $libname.a' + # Create ${libname}_ixlibrary.a entries in /sys/libs. + finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`func_echo_all "$lib" | $SED '\''s%^.*/\([^/]*\)\.ixlibrary$%\1%'\''`; test $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done' + ;; + esac + ;; + +beos*) + library_names_spec='${libname}${shared_ext}' + dynamic_linker="$host_os ld.so" + shlibpath_var=LIBRARY_PATH + ;; + +bsdi[45]*) + version_type=linux + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir' + shlibpath_var=LD_LIBRARY_PATH + sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib" + sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib" + # the default ld.so.conf also contains /usr/contrib/lib and + # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow + # libtool to hard-code these into programs + ;; + +cygwin* | mingw* | pw32* | cegcc*) + version_type=windows + shrext_cmds=".dll" + need_version=no + need_lib_prefix=no + + case $GCC,$cc_basename in + yes,*) + # gcc + library_names_spec='$libname.dll.a' + # DLL is installed to $(libdir)/../bin by postinstall_cmds + postinstall_cmds='base_file=`basename \${file}`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i; echo \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname~ + chmod a+x \$dldir/$dlname~ + if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then + eval '\''$striplib \$dldir/$dlname'\'' || exit \$?; + fi' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + shlibpath_overrides_runpath=yes + + case $host_os in + cygwin*) + # Cygwin DLLs use 'cyg' prefix rather than 'lib' + soname_spec='`echo ${libname} | sed -e 's/^lib/cyg/'``echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}' + + sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/lib/w32api" + ;; + mingw* | cegcc*) + # MinGW DLLs use traditional 'lib' prefix + soname_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}' + ;; + pw32*) + # pw32 DLLs use 'pw' prefix rather than 'lib' + library_names_spec='`echo ${libname} | sed -e 's/^lib/pw/'``echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}' + ;; + esac + dynamic_linker='Win32 ld.exe' + ;; + + *,cl*) + # Native MSVC + libname_spec='$name' + soname_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}' + library_names_spec='${libname}.dll.lib' + + case $build_os in + mingw*) + sys_lib_search_path_spec= + lt_save_ifs=$IFS + IFS=';' + for lt_path in $LIB + do + IFS=$lt_save_ifs + # Let DOS variable expansion print the short 8.3 style file name. + lt_path=`cd "$lt_path" 2>/dev/null && cmd //C "for %i in (".") do @echo %~si"` + sys_lib_search_path_spec="$sys_lib_search_path_spec $lt_path" + done + IFS=$lt_save_ifs + # Convert to MSYS style. + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | sed -e 's|\\\\|/|g' -e 's| \\([a-zA-Z]\\):| /\\1|g' -e 's|^ ||'` + ;; + cygwin*) + # Convert to unix form, then to dos form, then back to unix form + # but this time dos style (no spaces!) so that the unix form looks + # like /cygdrive/c/PROGRA~1:/cygdr... + sys_lib_search_path_spec=`cygpath --path --unix "$LIB"` + sys_lib_search_path_spec=`cygpath --path --dos "$sys_lib_search_path_spec" 2>/dev/null` + sys_lib_search_path_spec=`cygpath --path --unix "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"` + ;; + *) + sys_lib_search_path_spec="$LIB" + if $ECHO "$sys_lib_search_path_spec" | $GREP ';[c-zC-Z]:/' >/dev/null; then + # It is most probably a Windows format PATH. + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'` + else + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"` + fi + # FIXME: find the short name or the path components, as spaces are + # common. (e.g. "Program Files" -> "PROGRA~1") + ;; + esac + + # DLL is installed to $(libdir)/../bin by postinstall_cmds + postinstall_cmds='base_file=`basename \${file}`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i; echo \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + shlibpath_overrides_runpath=yes + dynamic_linker='Win32 link.exe' + ;; + + *) + # Assume MSVC wrapper + library_names_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext} $libname.lib' + dynamic_linker='Win32 ld.exe' + ;; + esac + # FIXME: first we should search . and the directory the executable is in + shlibpath_var=PATH + ;; + +darwin* | rhapsody*) + dynamic_linker="$host_os dyld" + version_type=darwin + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${major}$shared_ext ${libname}$shared_ext' + soname_spec='${libname}${release}${major}$shared_ext' + shlibpath_overrides_runpath=yes + shlibpath_var=DYLD_LIBRARY_PATH + shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`' + + sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/local/lib" + sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib' + ;; + +dgux*) + version_type=linux + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname$shared_ext' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + ;; + +freebsd1*) + dynamic_linker=no + ;; + +freebsd* | dragonfly*) + # DragonFly does not have aout. When/if they implement a new + # versioning mechanism, adjust this. + if test -x /usr/bin/objformat; then + objformat=`/usr/bin/objformat` + else + case $host_os in + freebsd[123]*) objformat=aout ;; + *) objformat=elf ;; + esac + fi + version_type=freebsd-$objformat + case $version_type in + freebsd-elf*) + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}' + need_version=no + need_lib_prefix=no + ;; + freebsd-*) + library_names_spec='${libname}${release}${shared_ext}$versuffix $libname${shared_ext}$versuffix' + need_version=yes + ;; + esac + shlibpath_var=LD_LIBRARY_PATH + case $host_os in + freebsd2*) + shlibpath_overrides_runpath=yes + ;; + freebsd3.[01]* | freebsdelf3.[01]*) + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + freebsd3.[2-9]* | freebsdelf3.[2-9]* | \ + freebsd4.[0-5] | freebsdelf4.[0-5] | freebsd4.1.1 | freebsdelf4.1.1) + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + *) # from 4.6 on, and DragonFly + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + esac + ;; + +gnu*) + version_type=linux + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + hardcode_into_libs=yes + ;; + +haiku*) + version_type=linux + need_lib_prefix=no + need_version=no + dynamic_linker="$host_os runtime_loader" + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LIBRARY_PATH + shlibpath_overrides_runpath=yes + sys_lib_dlsearch_path_spec='/boot/home/config/lib /boot/common/lib /boot/system/lib' + hardcode_into_libs=yes + ;; + +hpux9* | hpux10* | hpux11*) + # Give a soname corresponding to the major version so that dld.sl refuses to + # link against other versions. + version_type=sunos + need_lib_prefix=no + need_version=no + case $host_cpu in + ia64*) + shrext_cmds='.so' + hardcode_into_libs=yes + dynamic_linker="$host_os dld.so" + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + if test "X$HPUX_IA64_MODE" = X32; then + sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib" + else + sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64" + fi + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + ;; + hppa*64*) + shrext_cmds='.sl' + hardcode_into_libs=yes + dynamic_linker="$host_os dld.sl" + shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH + shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64" + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + ;; + *) + shrext_cmds='.sl' + dynamic_linker="$host_os dld.sl" + shlibpath_var=SHLIB_PATH + shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + ;; + esac + # HP-UX runs *really* slowly unless shared libraries are mode 555, ... + postinstall_cmds='chmod 555 $lib' + # or fails outright, so override atomically: + install_override_mode=555 + ;; + +interix[3-9]*) + version_type=linux + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + +irix5* | irix6* | nonstopux*) + case $host_os in + nonstopux*) version_type=nonstopux ;; + *) + if test "$lt_cv_prog_gnu_ld" = yes; then + version_type=linux + else + version_type=irix + fi ;; + esac + need_lib_prefix=no + need_version=no + soname_spec='${libname}${release}${shared_ext}$major' + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}' + case $host_os in + irix5* | nonstopux*) + libsuff= shlibsuff= + ;; + *) + case $LD in # libtool.m4 will add one of these switches to LD + *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") + libsuff= shlibsuff= libmagic=32-bit;; + *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") + libsuff=32 shlibsuff=N32 libmagic=N32;; + *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") + libsuff=64 shlibsuff=64 libmagic=64-bit;; + *) libsuff= shlibsuff= libmagic=never-match;; + esac + ;; + esac + shlibpath_var=LD_LIBRARY${shlibsuff}_PATH + shlibpath_overrides_runpath=no + sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}" + sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}" + hardcode_into_libs=yes + ;; + +# No shared lib support for Linux oldld, aout, or coff. +linux*oldld* | linux*aout* | linux*coff*) + dynamic_linker=no + ;; + +# This must be Linux ELF. +linux* | k*bsd*-gnu | kopensolaris*-gnu) + version_type=linux + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + + # Some binutils ld are patched to set DT_RUNPATH + if ${lt_cv_shlibpath_overrides_runpath+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_shlibpath_overrides_runpath=no + save_LDFLAGS=$LDFLAGS + save_libdir=$libdir + eval "libdir=/foo; wl=\"$lt_prog_compiler_wl\"; \ + LDFLAGS=\"\$LDFLAGS $hardcode_libdir_flag_spec\"" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + if ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null; then : + lt_cv_shlibpath_overrides_runpath=yes +fi +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LDFLAGS=$save_LDFLAGS + libdir=$save_libdir + +fi + + shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath + + # This implies no fast_install, which is unacceptable. + # Some rework will be needed to allow for fast_install + # before this can be enabled. + hardcode_into_libs=yes + + # Add ABI-specific directories to the system library path. + sys_lib_dlsearch_path_spec="/lib64 /usr/lib64 /lib /usr/lib" + + # Append ld.so.conf contents to the search path + if test -f /etc/ld.so.conf; then + lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` + sys_lib_dlsearch_path_spec="$sys_lib_dlsearch_path_spec $lt_ld_extra" + + fi + + # We used to test for /lib/ld.so.1 and disable shared libraries on + # powerpc, because MkLinux only supported shared libraries with the + # GNU dynamic linker. Since this was broken with cross compilers, + # most powerpc-linux boxes support dynamic linking these days and + # people can always --disable-shared, the test was removed, and we + # assume the GNU/Linux dynamic linker is in use. + dynamic_linker='GNU/Linux ld.so' + ;; + +netbsd*) + version_type=sunos + need_lib_prefix=no + need_version=no + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' + dynamic_linker='NetBSD (a.out) ld.so' + else + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + dynamic_linker='NetBSD ld.elf_so' + fi + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + +newsos6) + version_type=linux + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + ;; + +*nto* | *qnx*) + version_type=qnx + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + dynamic_linker='ldqnx.so' + ;; + +openbsd*) + version_type=sunos + sys_lib_dlsearch_path_spec="/usr/lib" + need_lib_prefix=no + # Some older versions of OpenBSD (3.3 at least) *do* need versioned libs. + case $host_os in + openbsd3.3 | openbsd3.3.*) need_version=yes ;; + *) need_version=no ;; + esac + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' + shlibpath_var=LD_LIBRARY_PATH + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then + case $host_os in + openbsd2.[89] | openbsd2.[89].*) + shlibpath_overrides_runpath=no + ;; + *) + shlibpath_overrides_runpath=yes + ;; + esac + else + shlibpath_overrides_runpath=yes + fi + ;; + +os2*) + libname_spec='$name' + shrext_cmds=".dll" + need_lib_prefix=no + library_names_spec='$libname${shared_ext} $libname.a' + dynamic_linker='OS/2 ld.exe' + shlibpath_var=LIBPATH + ;; + +osf3* | osf4* | osf5*) + version_type=osf + need_lib_prefix=no + need_version=no + soname_spec='${libname}${release}${shared_ext}$major' + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + shlibpath_var=LD_LIBRARY_PATH + sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib" + sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec" + ;; + +rdos*) + dynamic_linker=no + ;; + +solaris*) + version_type=linux + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + # ldd complains unless libraries are executable + postinstall_cmds='chmod +x $lib' + ;; + +sunos4*) + version_type=sunos + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' + finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + if test "$with_gnu_ld" = yes; then + need_lib_prefix=no + fi + need_version=yes + ;; + +sysv4 | sysv4.3*) + version_type=linux + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + case $host_vendor in + sni) + shlibpath_overrides_runpath=no + need_lib_prefix=no + runpath_var=LD_RUN_PATH + ;; + siemens) + need_lib_prefix=no + ;; + motorola) + need_lib_prefix=no + need_version=no + shlibpath_overrides_runpath=no + sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib' + ;; + esac + ;; + +sysv4*MP*) + if test -d /usr/nec ;then + version_type=linux + library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}' + soname_spec='$libname${shared_ext}.$major' + shlibpath_var=LD_LIBRARY_PATH + fi + ;; + +sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) + version_type=freebsd-elf + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + if test "$with_gnu_ld" = yes; then + sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib' + else + sys_lib_search_path_spec='/usr/ccs/lib /usr/lib' + case $host_os in + sco3.2v5*) + sys_lib_search_path_spec="$sys_lib_search_path_spec /lib" + ;; + esac + fi + sys_lib_dlsearch_path_spec='/usr/lib' + ;; + +tpf*) + # TPF is a cross-target only. Preferred cross-host = GNU/Linux. + version_type=linux + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + +uts4*) + version_type=linux + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + ;; + +*) + dynamic_linker=no + ;; +esac +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $dynamic_linker" >&5 +$as_echo "$dynamic_linker" >&6; } +test "$dynamic_linker" = no && can_build_shared=no + +variables_saved_for_relink="PATH $shlibpath_var $runpath_var" +if test "$GCC" = yes; then + variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH" +fi + +if test "${lt_cv_sys_lib_search_path_spec+set}" = set; then + sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec" +fi +if test "${lt_cv_sys_lib_dlsearch_path_spec+set}" = set; then + sys_lib_dlsearch_path_spec="$lt_cv_sys_lib_dlsearch_path_spec" +fi + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to hardcode library paths into programs" >&5 +$as_echo_n "checking how to hardcode library paths into programs... " >&6; } +hardcode_action= +if test -n "$hardcode_libdir_flag_spec" || + test -n "$runpath_var" || + test "X$hardcode_automatic" = "Xyes" ; then + + # We can hardcode non-existent directories. + if test "$hardcode_direct" != no && + # If the only mechanism to avoid hardcoding is shlibpath_var, we + # have to relink, otherwise we might link with an installed library + # when we should be linking with a yet-to-be-installed one + ## test "$_LT_TAGVAR(hardcode_shlibpath_var, )" != no && + test "$hardcode_minus_L" != no; then + # Linking always hardcodes the temporary library directory. + hardcode_action=relink + else + # We can link without hardcoding, and we can hardcode nonexisting dirs. + hardcode_action=immediate + fi +else + # We cannot hardcode anything, or else we can only hardcode existing + # directories. + hardcode_action=unsupported +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $hardcode_action" >&5 +$as_echo "$hardcode_action" >&6; } + +if test "$hardcode_action" = relink || + test "$inherit_rpath" = yes; then + # Fast installation is not supported + enable_fast_install=no +elif test "$shlibpath_overrides_runpath" = yes || + test "$enable_shared" = no; then + # Fast installation is not necessary + enable_fast_install=needless +fi + + + + + + + if test "x$enable_dlopen" != xyes; then + enable_dlopen=unknown + enable_dlopen_self=unknown + enable_dlopen_self_static=unknown +else + lt_cv_dlopen=no + lt_cv_dlopen_libs= + + case $host_os in + beos*) + lt_cv_dlopen="load_add_on" + lt_cv_dlopen_libs= + lt_cv_dlopen_self=yes + ;; + + mingw* | pw32* | cegcc*) + lt_cv_dlopen="LoadLibrary" + lt_cv_dlopen_libs= + ;; + + cygwin*) + lt_cv_dlopen="dlopen" + lt_cv_dlopen_libs= + ;; + + darwin*) + # if libdl is installed we need to link against it + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5 +$as_echo_n "checking for dlopen in -ldl... " >&6; } +if ${ac_cv_lib_dl_dlopen+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-ldl $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char dlopen (); +int +main () +{ +return dlopen (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_dl_dlopen=yes +else + ac_cv_lib_dl_dlopen=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 +$as_echo "$ac_cv_lib_dl_dlopen" >&6; } +if test "x$ac_cv_lib_dl_dlopen" = xyes; then : + lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl" +else + + lt_cv_dlopen="dyld" + lt_cv_dlopen_libs= + lt_cv_dlopen_self=yes + +fi + + ;; + + *) + ac_fn_c_check_func "$LINENO" "shl_load" "ac_cv_func_shl_load" +if test "x$ac_cv_func_shl_load" = xyes; then : + lt_cv_dlopen="shl_load" +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for shl_load in -ldld" >&5 +$as_echo_n "checking for shl_load in -ldld... " >&6; } +if ${ac_cv_lib_dld_shl_load+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-ldld $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char shl_load (); +int +main () +{ +return shl_load (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_dld_shl_load=yes +else + ac_cv_lib_dld_shl_load=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_shl_load" >&5 +$as_echo "$ac_cv_lib_dld_shl_load" >&6; } +if test "x$ac_cv_lib_dld_shl_load" = xyes; then : + lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld" +else + ac_fn_c_check_func "$LINENO" "dlopen" "ac_cv_func_dlopen" +if test "x$ac_cv_func_dlopen" = xyes; then : + lt_cv_dlopen="dlopen" +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5 +$as_echo_n "checking for dlopen in -ldl... " >&6; } +if ${ac_cv_lib_dl_dlopen+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-ldl $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char dlopen (); +int +main () +{ +return dlopen (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_dl_dlopen=yes +else + ac_cv_lib_dl_dlopen=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 +$as_echo "$ac_cv_lib_dl_dlopen" >&6; } +if test "x$ac_cv_lib_dl_dlopen" = xyes; then : + lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl" +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -lsvld" >&5 +$as_echo_n "checking for dlopen in -lsvld... " >&6; } +if ${ac_cv_lib_svld_dlopen+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lsvld $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char dlopen (); +int +main () +{ +return dlopen (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_svld_dlopen=yes +else + ac_cv_lib_svld_dlopen=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_svld_dlopen" >&5 +$as_echo "$ac_cv_lib_svld_dlopen" >&6; } +if test "x$ac_cv_lib_svld_dlopen" = xyes; then : + lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-lsvld" +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dld_link in -ldld" >&5 +$as_echo_n "checking for dld_link in -ldld... " >&6; } +if ${ac_cv_lib_dld_dld_link+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-ldld $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char dld_link (); +int +main () +{ +return dld_link (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_dld_dld_link=yes +else + ac_cv_lib_dld_dld_link=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_dld_link" >&5 +$as_echo "$ac_cv_lib_dld_dld_link" >&6; } +if test "x$ac_cv_lib_dld_dld_link" = xyes; then : + lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld" +fi + + +fi + + +fi + + +fi + + +fi + + +fi + + ;; + esac + + if test "x$lt_cv_dlopen" != xno; then + enable_dlopen=yes + else + enable_dlopen=no + fi + + case $lt_cv_dlopen in + dlopen) + save_CPPFLAGS="$CPPFLAGS" + test "x$ac_cv_header_dlfcn_h" = xyes && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H" + + save_LDFLAGS="$LDFLAGS" + wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\" + + save_LIBS="$LIBS" + LIBS="$lt_cv_dlopen_libs $LIBS" + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a program can dlopen itself" >&5 +$as_echo_n "checking whether a program can dlopen itself... " >&6; } +if ${lt_cv_dlopen_self+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test "$cross_compiling" = yes; then : + lt_cv_dlopen_self=cross +else + lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 + lt_status=$lt_dlunknown + cat > conftest.$ac_ext <<_LT_EOF +#line $LINENO "configure" +#include "confdefs.h" + +#if HAVE_DLFCN_H +#include +#endif + +#include + +#ifdef RTLD_GLOBAL +# define LT_DLGLOBAL RTLD_GLOBAL +#else +# ifdef DL_GLOBAL +# define LT_DLGLOBAL DL_GLOBAL +# else +# define LT_DLGLOBAL 0 +# endif +#endif + +/* We may have to define LT_DLLAZY_OR_NOW in the command line if we + find out it does not work in some platform. */ +#ifndef LT_DLLAZY_OR_NOW +# ifdef RTLD_LAZY +# define LT_DLLAZY_OR_NOW RTLD_LAZY +# else +# ifdef DL_LAZY +# define LT_DLLAZY_OR_NOW DL_LAZY +# else +# ifdef RTLD_NOW +# define LT_DLLAZY_OR_NOW RTLD_NOW +# else +# ifdef DL_NOW +# define LT_DLLAZY_OR_NOW DL_NOW +# else +# define LT_DLLAZY_OR_NOW 0 +# endif +# endif +# endif +# endif +#endif + +/* When -fvisbility=hidden is used, assume the code has been annotated + correspondingly for the symbols needed. */ +#if defined(__GNUC__) && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)) +int fnord () __attribute__((visibility("default"))); +#endif + +int fnord () { return 42; } +int main () +{ + void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); + int status = $lt_dlunknown; + + if (self) + { + if (dlsym (self,"fnord")) status = $lt_dlno_uscore; + else + { + if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; + else puts (dlerror ()); + } + /* dlclose (self); */ + } + else + puts (dlerror ()); + + return status; +} +_LT_EOF + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 + (eval $ac_link) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && test -s conftest${ac_exeext} 2>/dev/null; then + (./conftest; exit; ) >&5 2>/dev/null + lt_status=$? + case x$lt_status in + x$lt_dlno_uscore) lt_cv_dlopen_self=yes ;; + x$lt_dlneed_uscore) lt_cv_dlopen_self=yes ;; + x$lt_dlunknown|x*) lt_cv_dlopen_self=no ;; + esac + else : + # compilation failed + lt_cv_dlopen_self=no + fi +fi +rm -fr conftest* + + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self" >&5 +$as_echo "$lt_cv_dlopen_self" >&6; } + + if test "x$lt_cv_dlopen_self" = xyes; then + wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a statically linked program can dlopen itself" >&5 +$as_echo_n "checking whether a statically linked program can dlopen itself... " >&6; } +if ${lt_cv_dlopen_self_static+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test "$cross_compiling" = yes; then : + lt_cv_dlopen_self_static=cross +else + lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 + lt_status=$lt_dlunknown + cat > conftest.$ac_ext <<_LT_EOF +#line $LINENO "configure" +#include "confdefs.h" + +#if HAVE_DLFCN_H +#include +#endif + +#include + +#ifdef RTLD_GLOBAL +# define LT_DLGLOBAL RTLD_GLOBAL +#else +# ifdef DL_GLOBAL +# define LT_DLGLOBAL DL_GLOBAL +# else +# define LT_DLGLOBAL 0 +# endif +#endif + +/* We may have to define LT_DLLAZY_OR_NOW in the command line if we + find out it does not work in some platform. */ +#ifndef LT_DLLAZY_OR_NOW +# ifdef RTLD_LAZY +# define LT_DLLAZY_OR_NOW RTLD_LAZY +# else +# ifdef DL_LAZY +# define LT_DLLAZY_OR_NOW DL_LAZY +# else +# ifdef RTLD_NOW +# define LT_DLLAZY_OR_NOW RTLD_NOW +# else +# ifdef DL_NOW +# define LT_DLLAZY_OR_NOW DL_NOW +# else +# define LT_DLLAZY_OR_NOW 0 +# endif +# endif +# endif +# endif +#endif + +/* When -fvisbility=hidden is used, assume the code has been annotated + correspondingly for the symbols needed. */ +#if defined(__GNUC__) && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)) +int fnord () __attribute__((visibility("default"))); +#endif + +int fnord () { return 42; } +int main () +{ + void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); + int status = $lt_dlunknown; + + if (self) + { + if (dlsym (self,"fnord")) status = $lt_dlno_uscore; + else + { + if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; + else puts (dlerror ()); + } + /* dlclose (self); */ + } + else + puts (dlerror ()); + + return status; +} +_LT_EOF + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 + (eval $ac_link) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && test -s conftest${ac_exeext} 2>/dev/null; then + (./conftest; exit; ) >&5 2>/dev/null + lt_status=$? + case x$lt_status in + x$lt_dlno_uscore) lt_cv_dlopen_self_static=yes ;; + x$lt_dlneed_uscore) lt_cv_dlopen_self_static=yes ;; + x$lt_dlunknown|x*) lt_cv_dlopen_self_static=no ;; + esac + else : + # compilation failed + lt_cv_dlopen_self_static=no + fi +fi +rm -fr conftest* + + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self_static" >&5 +$as_echo "$lt_cv_dlopen_self_static" >&6; } + fi + + CPPFLAGS="$save_CPPFLAGS" + LDFLAGS="$save_LDFLAGS" + LIBS="$save_LIBS" + ;; + esac + + case $lt_cv_dlopen_self in + yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;; + *) enable_dlopen_self=unknown ;; + esac + + case $lt_cv_dlopen_self_static in + yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;; + *) enable_dlopen_self_static=unknown ;; + esac +fi + + + + + + + + + + + + + + + + + +striplib= +old_striplib= +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether stripping libraries is possible" >&5 +$as_echo_n "checking whether stripping libraries is possible... " >&6; } +if test -n "$STRIP" && $STRIP -V 2>&1 | $GREP "GNU strip" >/dev/null; then + test -z "$old_striplib" && old_striplib="$STRIP --strip-debug" + test -z "$striplib" && striplib="$STRIP --strip-unneeded" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +else +# FIXME - insert some real tests, host_os isn't really good enough + case $host_os in + darwin*) + if test -n "$STRIP" ; then + striplib="$STRIP -x" + old_striplib="$STRIP -S" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + fi + ;; + *) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + ;; + esac +fi + + + + + + + + + + + + + # Report which library types will actually be built + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if libtool supports shared libraries" >&5 +$as_echo_n "checking if libtool supports shared libraries... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $can_build_shared" >&5 +$as_echo "$can_build_shared" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to build shared libraries" >&5 +$as_echo_n "checking whether to build shared libraries... " >&6; } + test "$can_build_shared" = "no" && enable_shared=no + + # On AIX, shared libraries and static libraries use the same namespace, and + # are all built from PIC. + case $host_os in + aix3*) + test "$enable_shared" = yes && enable_static=no + if test -n "$RANLIB"; then + archive_cmds="$archive_cmds~\$RANLIB \$lib" + postinstall_cmds='$RANLIB $lib' + fi + ;; + + aix[4-9]*) + if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then + test "$enable_shared" = yes && enable_static=no + fi + ;; + esac + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_shared" >&5 +$as_echo "$enable_shared" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to build static libraries" >&5 +$as_echo_n "checking whether to build static libraries... " >&6; } + # Make sure either enable_shared or enable_static is yes. + test "$enable_shared" = yes || enable_static=yes + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_static" >&5 +$as_echo "$enable_static" >&6; } + + + + +fi +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +CC="$lt_save_CC" + + + + + + + + + + + + + + ac_config_commands="$ac_config_commands libtool" + + + + +# Only expand once: + + +# libtool-2: LT_INIT() +am__api_version='1.11' + +# Find a good install program. We prefer a C program (faster), +# so one script is as good as another. But avoid the broken or +# incompatible versions: +# SysV /etc/install, /usr/sbin/install +# SunOS /usr/etc/install +# IRIX /sbin/install +# AIX /bin/install +# AmigaOS /C/install, which installs bootblocks on floppy discs +# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag +# AFS /usr/afsws/bin/install, which mishandles nonexistent args +# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff" +# OS/2's system install, which has a completely different semantic +# ./install, which can be erroneously created by make from ./install.sh. +# Reject install programs that cannot install multiple files. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a BSD-compatible install" >&5 +$as_echo_n "checking for a BSD-compatible install... " >&6; } +if test -z "$INSTALL"; then +if ${ac_cv_path_install+:} false; then : + $as_echo_n "(cached) " >&6 +else + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + # Account for people who put trailing slashes in PATH elements. +case $as_dir/ in #(( + ./ | .// | /[cC]/* | \ + /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \ + ?:[\\/]os2[\\/]install[\\/]* | ?:[\\/]OS2[\\/]INSTALL[\\/]* | \ + /usr/ucb/* ) ;; + *) + # OSF1 and SCO ODT 3.0 have their own names for install. + # Don't use installbsd from OSF since it installs stuff as root + # by default. + for ac_prog in ginstall scoinst install; do + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_prog$ac_exec_ext" && $as_test_x "$as_dir/$ac_prog$ac_exec_ext"; }; then + if test $ac_prog = install && + grep dspmsg "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then + # AIX install. It has an incompatible calling convention. + : + elif test $ac_prog = install && + grep pwplus "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then + # program-specific install script used by HP pwplus--don't use. + : + else + rm -rf conftest.one conftest.two conftest.dir + echo one > conftest.one + echo two > conftest.two + mkdir conftest.dir + if "$as_dir/$ac_prog$ac_exec_ext" -c conftest.one conftest.two "`pwd`/conftest.dir" && + test -s conftest.one && test -s conftest.two && + test -s conftest.dir/conftest.one && + test -s conftest.dir/conftest.two + then + ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c" + break 3 + fi + fi + fi + done + done + ;; +esac + + done +IFS=$as_save_IFS + +rm -rf conftest.one conftest.two conftest.dir + +fi + if test "${ac_cv_path_install+set}" = set; then + INSTALL=$ac_cv_path_install + else + # As a last resort, use the slow shell script. Don't cache a + # value for INSTALL within a source directory, because that will + # break other packages using the cache if that directory is + # removed, or if the value is a relative name. + INSTALL=$ac_install_sh + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $INSTALL" >&5 +$as_echo "$INSTALL" >&6; } + +# Use test -z because SunOS4 sh mishandles braces in ${var-val}. +# It thinks the first close brace ends the variable substitution. +test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}' + +test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}' + +test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644' + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether build environment is sane" >&5 +$as_echo_n "checking whether build environment is sane... " >&6; } +# Just in case +sleep 1 +echo timestamp > conftest.file +# Reject unsafe characters in $srcdir or the absolute working directory +# name. Accept space and tab only in the latter. +am_lf=' +' +case `pwd` in + *[\\\"\#\$\&\'\`$am_lf]*) + as_fn_error $? "unsafe absolute working directory name" "$LINENO" 5;; +esac +case $srcdir in + *[\\\"\#\$\&\'\`$am_lf\ \ ]*) + as_fn_error $? "unsafe srcdir value: \`$srcdir'" "$LINENO" 5;; +esac + +# Do `set' in a subshell so we don't clobber the current shell's +# arguments. Must try -L first in case configure is actually a +# symlink; some systems play weird games with the mod time of symlinks +# (eg FreeBSD returns the mod time of the symlink's containing +# directory). +if ( + set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null` + if test "$*" = "X"; then + # -L didn't work. + set X `ls -t "$srcdir/configure" conftest.file` + fi + rm -f conftest.file + if test "$*" != "X $srcdir/configure conftest.file" \ + && test "$*" != "X conftest.file $srcdir/configure"; then + + # If neither matched, then we have a broken ls. This can happen + # if, for instance, CONFIG_SHELL is bash and it inherits a + # broken ls alias from the environment. This has actually + # happened. Such a system could not be considered "sane". + as_fn_error $? "ls -t appears to fail. Make sure there is not a broken +alias in your environment" "$LINENO" 5 + fi + + test "$2" = conftest.file + ) +then + # Ok. + : +else + as_fn_error $? "newly created file is older than distributed files! +Check your system clock" "$LINENO" 5 +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +test "$program_prefix" != NONE && + program_transform_name="s&^&$program_prefix&;$program_transform_name" +# Use a double $ so make ignores it. +test "$program_suffix" != NONE && + program_transform_name="s&\$&$program_suffix&;$program_transform_name" +# Double any \ or $. +# By default was `s,x,x', remove it if useless. +ac_script='s/[\\$]/&&/g;s/;s,x,x,$//' +program_transform_name=`$as_echo "$program_transform_name" | sed "$ac_script"` + +# expand $ac_aux_dir to an absolute path +am_aux_dir=`cd $ac_aux_dir && pwd` + +if test x"${MISSING+set}" != xset; then + case $am_aux_dir in + *\ * | *\ *) + MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;; + *) + MISSING="\${SHELL} $am_aux_dir/missing" ;; + esac +fi +# Use eval to expand $SHELL +if eval "$MISSING --run true"; then + am_missing_run="$MISSING --run " +else + am_missing_run= + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: \`missing' script is too old or missing" >&5 +$as_echo "$as_me: WARNING: \`missing' script is too old or missing" >&2;} +fi + +if test x"${install_sh}" != xset; then + case $am_aux_dir in + *\ * | *\ *) + install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;; + *) + install_sh="\${SHELL} $am_aux_dir/install-sh" + esac +fi + +# Installed binaries are usually stripped using `strip' when the user +# run `make install-strip'. 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" >&6; } +if ${ac_cv_lib_iberty_cplus_demangle+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-liberty $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char cplus_demangle (); +int +main () +{ +return cplus_demangle (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_iberty_cplus_demangle=yes +else + ac_cv_lib_iberty_cplus_demangle=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_iberty_cplus_demangle" >&5 +$as_echo "$ac_cv_lib_iberty_cplus_demangle" >&6; } +if test "x$ac_cv_lib_iberty_cplus_demangle" = xyes; then : + + +$as_echo "#define HAVE_LIBIBERTY 1" >>confdefs.h + + liberty_LIBS="-liberty" +else + + liberty_LIBS="" +fi + + + + +# HAVE_LIBSUPC__ +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __cxa_demangle in -lsupc++" >&5 +$as_echo_n "checking for __cxa_demangle in -lsupc++... " >&6; } +if ${ac_cv_lib_supcpp___cxa_demangle+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lsupc++ $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char __cxa_demangle (); +int +main () +{ +return __cxa_demangle (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_supcpp___cxa_demangle=yes +else + ac_cv_lib_supcpp___cxa_demangle=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_supcpp___cxa_demangle" >&5 +$as_echo "$ac_cv_lib_supcpp___cxa_demangle" >&6; } +if test "x$ac_cv_lib_supcpp___cxa_demangle" = xyes; then : + + +$as_echo "#define HAVE_LIBSUPC__ 1" >>confdefs.h + + libsupcxx_LIBS="-lsupc++" +else + + libsupcxx_LIBS="" +fi + + + + +# HAVE_LIBSTDC__ +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __cxa_demangle in -lstdc++" >&5 +$as_echo_n "checking for __cxa_demangle in -lstdc++... " >&6; } +if ${ac_cv_lib_stdcpp___cxa_demangle+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lstdc++ $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char __cxa_demangle (); +int +main () +{ +return __cxa_demangle (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_stdcpp___cxa_demangle=yes +else + ac_cv_lib_stdcpp___cxa_demangle=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_stdcpp___cxa_demangle" >&5 +$as_echo "$ac_cv_lib_stdcpp___cxa_demangle" >&6; } +if test "x$ac_cv_lib_stdcpp___cxa_demangle" = xyes; then : + + +$as_echo "#define HAVE_LIBSTDC__ 1" >>confdefs.h + + libstdcxx_LIBS="-lstdc++" +else + + libstdcxx_LIBS="" +fi + + + + +for ac_header in selinux/selinux.h +do : + ac_fn_c_check_header_mongrel "$LINENO" "selinux/selinux.h" "ac_cv_header_selinux_selinux_h" "$ac_includes_default" +if test "x$ac_cv_header_selinux_selinux_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_SELINUX_SELINUX_H 1 +_ACEOF + +fi + +done + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for security_get_boolean_active in -lselinux" >&5 +$as_echo_n "checking for security_get_boolean_active in -lselinux... " >&6; } +if ${ac_cv_lib_selinux_security_get_boolean_active+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lselinux $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char security_get_boolean_active (); +int +main () +{ +return security_get_boolean_active (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_selinux_security_get_boolean_active=yes +else + ac_cv_lib_selinux_security_get_boolean_active=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_selinux_security_get_boolean_active" >&5 +$as_echo "$ac_cv_lib_selinux_security_get_boolean_active" >&6; } +if test "x$ac_cv_lib_selinux_security_get_boolean_active" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_LIBSELINUX 1 +_ACEOF + + LIBS="-lselinux $LIBS" + +fi + + + +# HAVE_LIBUNWIND + +# Check whether --with-libunwind was given. +if test "${with_libunwind+set}" = set; then : + withval=$with_libunwind; case "${withval}" in + (yes|no) enable_libunwind=$withval;; + (*) enable_libunwind=yes + AM_CPPFLAGS="${AM_CPPFLAGS} -I${withval}/include" + AM_LDFLAGS="${AM_LDFLAGS} -L${withval}/lib" + libunwind_LD_LIBRARY_PATH="${withval}/lib" + ;; +esac +else + enable_libunwind=maybe +fi + + +saved_CPPFLAGS="${CPPFLAGS}" +CPPFLAGS="${CPPFLAGS} ${AM_CPPFLAGS}" +for ac_header in libunwind.h +do : + ac_fn_c_check_header_mongrel "$LINENO" "libunwind.h" "ac_cv_header_libunwind_h" "$ac_includes_default" +if test "x$ac_cv_header_libunwind_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_LIBUNWIND_H 1 +_ACEOF + have_libunwind_h=yes +fi + +done + +for ac_header in libunwind-ptrace.h +do : + ac_fn_c_check_header_mongrel "$LINENO" "libunwind-ptrace.h" "ac_cv_header_libunwind_ptrace_h" "$ac_includes_default" +if test "x$ac_cv_header_libunwind_ptrace_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_LIBUNWIND_PTRACE_H 1 +_ACEOF + have_libunwind_ptrace_h=yes +fi + +done + +CPPFLAGS="${saved_CPPFLAGS}" + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to use libunwind support" >&5 +$as_echo_n "checking whether to use libunwind support... " >&6; } +case "${enable_libunwind}" in +(yes|maybe) + if test x$have_libunwind_h = xyes -o x$have_libunwind_ptrace_h = xyes; then + enable_libunwind=yes + elif test $enable_libunwind = maybe; then + enable_libunwind=no + else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_libunwind" >&5 +$as_echo "$enable_libunwind" >&6; } + as_fn_error $? "libunwind.h or libunwind-ptrace.h cannot be found" "$LINENO" 5 + fi + ;; +(*) ;; +esac +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_libunwind" >&5 +$as_echo "$enable_libunwind" >&6; } + +if test x"$enable_libunwind" = xyes; then + case "${host_cpu}" in + arm*|sa110) UNWIND_ARCH="arm" ;; + i?86) UNWIND_ARCH="x86" ;; + powerpc) UNWIND_ARCH="ppc32" ;; + powerpc64) UNWIND_ARCH="ppc64" ;; + mips*) UNWIND_ARCH="mips" ;; + *) UNWIND_ARCH="${host_cpu}" ;; + esac + + saved_LDFLAGS="${LDFLAGS}" + LDFLAGS="${LDFLAGS} ${AM_LDFLAGS}" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for backtrace in -lunwind" >&5 +$as_echo_n "checking for backtrace in -lunwind... " >&6; } +if ${ac_cv_lib_unwind_backtrace+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lunwind $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char backtrace (); +int +main () +{ +return backtrace (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_unwind_backtrace=yes +else + ac_cv_lib_unwind_backtrace=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_unwind_backtrace" >&5 +$as_echo "$ac_cv_lib_unwind_backtrace" >&6; } +if test "x$ac_cv_lib_unwind_backtrace" = xyes; then : + libunwind_LIBS=-lunwind +else + as_fn_error $? "Couldn't find or use libunwind." "$LINENO" 5 +fi + + + as_ac_Lib=`$as_echo "ac_cv_lib_unwind-${UNWIND_ARCH}''__U${UNWIND_ARCH}_init_remote" | $as_tr_sh` +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for _U${UNWIND_ARCH}_init_remote in -lunwind-${UNWIND_ARCH}" >&5 +$as_echo_n "checking for _U${UNWIND_ARCH}_init_remote in -lunwind-${UNWIND_ARCH}... " >&6; } +if eval \${$as_ac_Lib+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lunwind-${UNWIND_ARCH} $libunwind_LIBS $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char _U${UNWIND_ARCH}_init_remote (); +int +main () +{ +return _U${UNWIND_ARCH}_init_remote (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + eval "$as_ac_Lib=yes" +else + eval "$as_ac_Lib=no" +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +eval ac_res=\$$as_ac_Lib + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } +if eval test \"x\$"$as_ac_Lib"\" = x"yes"; then : + libunwind_LIBS="-lunwind-${UNWIND_ARCH} $libunwind_LIBS" +else + as_fn_error $? "Couldn't find or use libunwind-${UNWIND_ARCH}." "$LINENO" 5 +fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _UPT_create in -lunwind-ptrace" >&5 +$as_echo_n "checking for _UPT_create in -lunwind-ptrace... " >&6; } +if ${ac_cv_lib_unwind_ptrace__UPT_create+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lunwind-ptrace $libunwind_LIBS $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char _UPT_create (); +int +main () +{ +return _UPT_create (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_unwind_ptrace__UPT_create=yes +else + ac_cv_lib_unwind_ptrace__UPT_create=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_unwind_ptrace__UPT_create" >&5 +$as_echo "$ac_cv_lib_unwind_ptrace__UPT_create" >&6; } +if test "x$ac_cv_lib_unwind_ptrace__UPT_create" = xyes; then : + libunwind_LIBS="-lunwind-ptrace $libunwind_LIBS" +else + as_fn_error $? "Couldn't find or use libunwind-ptrace." "$LINENO" 5 +fi + + + + +$as_echo "#define HAVE_LIBUNWIND 1" >>confdefs.h + + LDFLAGS="${saved_LDFLAGS}" +fi + + +saved_CPPFLAGS="${CPPFLAGS}" +saved_LDFLAGS="${LDFLAGS}" +CPPFLAGS="${CPPFLAGS} ${AM_CPPFLAGS}" +LDFLAGS="${LDFLAGS} ${AM_LDFLAGS}" +# HAVE_ELF_C_READ_MMAP +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether elf_begin accepts ELF_C_READ_MMAP" >&5 +$as_echo_n "checking whether elf_begin accepts ELF_C_READ_MMAP... " >&6; } +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +int +main () +{ + +int main () { + Elf *elf = elf_begin(4, ELF_C_READ_MMAP, 0); + return 0; +} + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + +$as_echo "#define HAVE_ELF_C_READ_MMAP 1" >>confdefs.h + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +else + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +saved_CFLAGS="${CFLAGS}" +CFLAGS="${CFLAGS} -Wall -Werror" +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether elf_hash takes a char* argument" >&5 +$as_echo_n "checking whether elf_hash takes a char* argument... " >&6; } +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +int +main () +{ + + (void) elf_hash("name"); + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + +$as_echo "#define ELF_HASH_TAKES_CHARP 1" >>confdefs.h + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +CFLAGS="${saved_CFLAGS}" +CPPFLAGS="${saved_CPPFLAGS}" +LDFLAGS="${saved_LDFLAGS}" + +AM_CPPFLAGS=" \ + ${AM_CPPFLAGS} \ + -I\$(top_srcdir)/sysdeps/${HOST_OS}/${HOST_CPU} \ + -I\$(top_srcdir)/sysdeps/${HOST_OS} \ + -I\$(top_srcdir)/sysdeps \ + -I\$(top_srcdir) \ +" + +# Checks for header files. +for ac_header in \ + fcntl.h \ + limits.h \ + stddef.h \ + stdint.h \ + stdlib.h \ + string.h \ + sys/ioctl.h \ + sys/param.h \ + sys/time.h \ + unistd.h \ + +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + + +# Checks for typedefs, structures, and compiler characteristics. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for uid_t in sys/types.h" >&5 +$as_echo_n "checking for uid_t in sys/types.h... " >&6; } +if ${ac_cv_type_uid_t+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "uid_t" >/dev/null 2>&1; then : + ac_cv_type_uid_t=yes +else + ac_cv_type_uid_t=no +fi +rm -f conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_type_uid_t" >&5 +$as_echo "$ac_cv_type_uid_t" >&6; } +if test $ac_cv_type_uid_t = no; then + +$as_echo "#define uid_t int" >>confdefs.h + + +$as_echo "#define gid_t int" >>confdefs.h + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for inline" >&5 +$as_echo_n "checking for inline... " >&6; } +if ${ac_cv_c_inline+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_cv_c_inline=no +for ac_kw in inline __inline__ __inline; do + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifndef __cplusplus +typedef int foo_t; +static $ac_kw foo_t static_foo () {return 0; } +$ac_kw foo_t foo () {return 0; } +#endif + +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_c_inline=$ac_kw +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + test "$ac_cv_c_inline" != no && break +done + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_inline" >&5 +$as_echo "$ac_cv_c_inline" >&6; } + +case $ac_cv_c_inline in + inline | yes) ;; + *) + case $ac_cv_c_inline in + no) ac_val=;; + *) ac_val=$ac_cv_c_inline;; + esac + cat >>confdefs.h <<_ACEOF +#ifndef __cplusplus +#define inline $ac_val +#endif +_ACEOF + ;; +esac + +ac_fn_c_check_type "$LINENO" "pid_t" "ac_cv_type_pid_t" "$ac_includes_default" +if test "x$ac_cv_type_pid_t" = xyes; then : + +else + +cat >>confdefs.h <<_ACEOF +#define pid_t int +_ACEOF + +fi + +ac_fn_c_check_type "$LINENO" "size_t" "ac_cv_type_size_t" "$ac_includes_default" +if test "x$ac_cv_type_size_t" = xyes; then : + +else + +cat >>confdefs.h <<_ACEOF +#define size_t unsigned int +_ACEOF + +fi + +# The cast to long int works around a bug in the HP C Compiler +# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects +# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'. +# This bug is HP SR number 8606223364. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of long" >&5 +$as_echo_n "checking size of long... " >&6; } +if ${ac_cv_sizeof_long+:} false; then : + $as_echo_n "(cached) " >&6 +else + if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (long))" "ac_cv_sizeof_long" "$ac_includes_default"; then : + +else + if test "$ac_cv_type_long" = yes; then + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error 77 "cannot compute sizeof (long) +See \`config.log' for more details" "$LINENO" 5; } + else + ac_cv_sizeof_long=0 + fi +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_long" >&5 +$as_echo "$ac_cv_sizeof_long" >&6; } + + + +cat >>confdefs.h <<_ACEOF +#define SIZEOF_LONG $ac_cv_sizeof_long +_ACEOF + + + + +# Checks for library functions. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for error_at_line" >&5 +$as_echo_n "checking for error_at_line... " >&6; } +if ${ac_cv_lib_error_at_line+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +int +main () +{ +error_at_line (0, 0, "", 0, "an error occurred"); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_error_at_line=yes +else + ac_cv_lib_error_at_line=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_error_at_line" >&5 +$as_echo "$ac_cv_lib_error_at_line" >&6; } +if test $ac_cv_lib_error_at_line = no; then + case " $LIBOBJS " in + *" error.$ac_objext "* ) ;; + *) LIBOBJS="$LIBOBJS error.$ac_objext" + ;; +esac + +fi + +for ac_header in vfork.h +do : + ac_fn_c_check_header_mongrel "$LINENO" "vfork.h" "ac_cv_header_vfork_h" "$ac_includes_default" +if test "x$ac_cv_header_vfork_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_VFORK_H 1 +_ACEOF + +fi + +done + +for ac_func in fork vfork +do : + as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` +ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" +if eval test \"x\$"$as_ac_var"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + +fi +done + +if test "x$ac_cv_func_fork" = xyes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for working fork" >&5 +$as_echo_n "checking for working fork... " >&6; } +if ${ac_cv_func_fork_works+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test "$cross_compiling" = yes; then : + ac_cv_func_fork_works=cross +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$ac_includes_default +int +main () +{ + + /* By Ruediger Kuhlmann. */ + return fork () < 0; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + ac_cv_func_fork_works=yes +else + ac_cv_func_fork_works=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_fork_works" >&5 +$as_echo "$ac_cv_func_fork_works" >&6; } + +else + ac_cv_func_fork_works=$ac_cv_func_fork +fi +if test "x$ac_cv_func_fork_works" = xcross; then + case $host in + *-*-amigaos* | *-*-msdosdjgpp*) + # Override, as these systems have only a dummy fork() stub + ac_cv_func_fork_works=no + ;; + *) + ac_cv_func_fork_works=yes + ;; + esac + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: result $ac_cv_func_fork_works guessed because of cross compilation" >&5 +$as_echo "$as_me: WARNING: result $ac_cv_func_fork_works guessed because of cross compilation" >&2;} +fi +ac_cv_func_vfork_works=$ac_cv_func_vfork +if test "x$ac_cv_func_vfork" = xyes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for working vfork" >&5 +$as_echo_n "checking for working vfork... " >&6; } +if ${ac_cv_func_vfork_works+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test "$cross_compiling" = yes; then : + ac_cv_func_vfork_works=cross +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +/* Thanks to Paul Eggert for this test. */ +$ac_includes_default +#include +#ifdef HAVE_VFORK_H +# include +#endif +/* On some sparc systems, changes by the child to local and incoming + argument registers are propagated back to the parent. The compiler + is told about this with #include , but some compilers + (e.g. gcc -O) don't grok . Test for this by using a + static variable whose address is put into a register that is + clobbered by the vfork. */ +static void +#ifdef __cplusplus +sparc_address_test (int arg) +# else +sparc_address_test (arg) int arg; +#endif +{ + static pid_t child; + if (!child) { + child = vfork (); + if (child < 0) { + perror ("vfork"); + _exit(2); + } + if (!child) { + arg = getpid(); + write(-1, "", 0); + _exit (arg); + } + } +} + +int +main () +{ + pid_t parent = getpid (); + pid_t child; + + sparc_address_test (0); + + child = vfork (); + + if (child == 0) { + /* Here is another test for sparc vfork register problems. This + test uses lots of local variables, at least as many local + variables as main has allocated so far including compiler + temporaries. 4 locals are enough for gcc 1.40.3 on a Solaris + 4.1.3 sparc, but we use 8 to be safe. A buggy compiler should + reuse the register of parent for one of the local variables, + since it will think that parent can't possibly be used any more + in this routine. Assigning to the local variable will thus + munge parent in the parent process. */ + pid_t + p = getpid(), p1 = getpid(), p2 = getpid(), p3 = getpid(), + p4 = getpid(), p5 = getpid(), p6 = getpid(), p7 = getpid(); + /* Convince the compiler that p..p7 are live; otherwise, it might + use the same hardware register for all 8 local variables. */ + if (p != p1 || p != p2 || p != p3 || p != p4 + || p != p5 || p != p6 || p != p7) + _exit(1); + + /* On some systems (e.g. IRIX 3.3), vfork doesn't separate parent + from child file descriptors. If the child closes a descriptor + before it execs or exits, this munges the parent's descriptor + as well. Test for this by closing stdout in the child. */ + _exit(close(fileno(stdout)) != 0); + } else { + int status; + struct stat st; + + while (wait(&status) != child) + ; + return ( + /* Was there some problem with vforking? */ + child < 0 + + /* Did the child fail? (This shouldn't happen.) */ + || status + + /* Did the vfork/compiler bug occur? */ + || parent != getpid() + + /* Did the file descriptor bug occur? */ + || fstat(fileno(stdout), &st) != 0 + ); + } +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + ac_cv_func_vfork_works=yes +else + ac_cv_func_vfork_works=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_vfork_works" >&5 +$as_echo "$ac_cv_func_vfork_works" >&6; } + +fi; +if test "x$ac_cv_func_fork_works" = xcross; then + ac_cv_func_vfork_works=$ac_cv_func_vfork + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: result $ac_cv_func_vfork_works guessed because of cross compilation" >&5 +$as_echo "$as_me: WARNING: result $ac_cv_func_vfork_works guessed because of cross compilation" >&2;} +fi + +if test "x$ac_cv_func_vfork_works" = xyes; then + +$as_echo "#define HAVE_WORKING_VFORK 1" >>confdefs.h + +else + +$as_echo "#define vfork fork" >>confdefs.h + +fi +if test "x$ac_cv_func_fork_works" = xyes; then + +$as_echo "#define HAVE_WORKING_FORK 1" >>confdefs.h + +fi + +for ac_func in \ + alarm \ + atexit \ + getcwd \ + gettimeofday \ + memset \ + mkdir \ + rmdir \ + strchr \ + strdup \ + strerror \ + strtol \ + strtoul \ + +do : + as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` +ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" +if eval test \"x\$"$as_ac_var"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + +fi +done + + + +# +# Debugging +# +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable debugging" >&5 +$as_echo_n "checking whether to enable debugging... " >&6; } +# Check whether --enable-debug was given. +if test "${enable_debug+set}" = set; then : + enableval=$enable_debug; case "$enableval" in + y | yes) CONFIG_DEBUG=yes ;; + *) CONFIG_DEBUG=no ;; + esac +else + CONFIG_DEBUG=no +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: ${CONFIG_DEBUG}" >&5 +$as_echo "${CONFIG_DEBUG}" >&6; } +if test "${CONFIG_DEBUG}" = "yes"; then + +$as_echo "#define DEBUG 1" >>confdefs.h + +fi + +# Ignore the compiler's warnings at your own risk. +AM_CFLAGS="${AM_CFLAGS} -Wall -Wsign-compare -Wfloat-equal -Wformat-security" +# Check whether --enable-werror was given. +if test "${enable_werror+set}" = set; then : + enableval=$enable_werror; enable_werror=$enableval +else + enable_werror=yes +fi + +if test x$enable_werror = xyes; then + AM_CFLAGS="${AM_CFLAGS} -Werror" +fi + +# Check whether --enable-valgrind was given. +if test "${enable_valgrind+set}" = set; then : + enableval=$enable_valgrind; use_valgrind=$enableval +else + use_valgrind=no +fi + +if test x$use_valgrind = xyes; then + # Extract the first word of "valgrind", so it can be a program name with args. +set dummy valgrind; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_HAVE_VALGRIND+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$HAVE_VALGRIND"; then + ac_cv_prog_HAVE_VALGRIND="$HAVE_VALGRIND" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_HAVE_VALGRIND="yes" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + test -z "$ac_cv_prog_HAVE_VALGRIND" && ac_cv_prog_HAVE_VALGRIND="no" +fi +fi +HAVE_VALGRIND=$ac_cv_prog_HAVE_VALGRIND +if test -n "$HAVE_VALGRIND"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $HAVE_VALGRIND" >&5 +$as_echo "$HAVE_VALGRIND" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + if test x$HAVE_VALGRIND = xno; then + as_fn_error $? "valgrind not found" "$LINENO" 5 + fi +fi + if test "$use_valgrind" = yes; then + USE_VALGRIND_TRUE= + USE_VALGRIND_FALSE='#' +else + USE_VALGRIND_TRUE='#' + USE_VALGRIND_FALSE= +fi + + + + + + + + +ac_config_files="$ac_config_files Makefile sysdeps/Makefile sysdeps/linux-gnu/Makefile sysdeps/linux-gnu/alpha/Makefile sysdeps/linux-gnu/arm/Makefile sysdeps/linux-gnu/cris/Makefile sysdeps/linux-gnu/ia64/Makefile sysdeps/linux-gnu/m68k/Makefile sysdeps/linux-gnu/mipsel/Makefile sysdeps/linux-gnu/ppc/Makefile sysdeps/linux-gnu/s390/Makefile sysdeps/linux-gnu/sparc/Makefile sysdeps/linux-gnu/x86/Makefile testsuite/Makefile testsuite/ltrace.main/Makefile testsuite/ltrace.minor/Makefile testsuite/ltrace.torture/Makefile" + +cat >confcache <<\_ACEOF +# This file is a shell script that caches the results of configure +# tests run on this system so they can be shared between configure +# scripts and configure runs, see configure's option --config-cache. +# It is not useful on other systems. If it contains results you don't +# want to keep, you may remove or edit it. +# +# config.status only pays attention to the cache file if you give it +# the --recheck option to rerun configure. +# +# `ac_cv_env_foo' variables (set or unset) will be overridden when +# loading this file, other *unset* `ac_cv_foo' will be assigned the +# following values. + +_ACEOF + +# The following way of writing the cache mishandles newlines in values, +# but we know of no workaround that is simple, portable, and efficient. +# So, we kill variables containing newlines. +# Ultrix sh set writes to stderr and can't be redirected directly, +# and sets the high bit in the cache file unless we assign to the vars. +( + for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do + eval ac_val=\$$ac_var + case $ac_val in #( + *${as_nl}*) + case $ac_var in #( + *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5 +$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;; + esac + case $ac_var in #( + _ | IFS | as_nl) ;; #( + BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #( + *) { eval $ac_var=; unset $ac_var;} ;; + esac ;; + esac + done + + (set) 2>&1 | + case $as_nl`(ac_space=' '; set) 2>&1` in #( + *${as_nl}ac_space=\ *) + # `set' does not quote correctly, so add quotes: double-quote + # substitution turns \\\\ into \\, and sed turns \\ into \. + sed -n \ + "s/'/'\\\\''/g; + s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p" + ;; #( + *) + # `set' quotes correctly as required by POSIX, so do not add quotes. + sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p" + ;; + esac | + sort +) | + sed ' + /^ac_cv_env_/b end + t clear + :clear + s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/ + t end + s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/ + :end' >>confcache +if diff "$cache_file" confcache >/dev/null 2>&1; then :; else + if test -w "$cache_file"; then + if test "x$cache_file" != "x/dev/null"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5 +$as_echo "$as_me: updating cache $cache_file" >&6;} + if test ! -f "$cache_file" || test -h "$cache_file"; then + cat confcache >"$cache_file" + else + case $cache_file in #( + */* | ?:*) + mv -f confcache "$cache_file"$$ && + mv -f "$cache_file"$$ "$cache_file" ;; #( + *) + mv -f confcache "$cache_file" ;; + esac + fi + fi + else + { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5 +$as_echo "$as_me: not updating unwritable cache $cache_file" >&6;} + fi +fi +rm -f confcache + +test "x$prefix" = xNONE && prefix=$ac_default_prefix +# Let make expand exec_prefix. +test "x$exec_prefix" = xNONE && exec_prefix='${prefix}' + +DEFS=-DHAVE_CONFIG_H + +ac_libobjs= +ac_ltlibobjs= +U= +for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue + # 1. Remove the extension, and $U if already installed. + ac_script='s/\$U\././;s/\.o$//;s/\.obj$//' + ac_i=`$as_echo "$ac_i" | sed "$ac_script"` + # 2. Prepend LIBOBJDIR. When used with automake>=1.10 LIBOBJDIR + # will be set to the directory where LIBOBJS objects are built. + as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext" + as_fn_append ac_ltlibobjs " \${LIBOBJDIR}$ac_i"'$U.lo' +done +LIBOBJS=$ac_libobjs + +LTLIBOBJS=$ac_ltlibobjs + + +if test -z "${AMDEP_TRUE}" && test -z "${AMDEP_FALSE}"; then + as_fn_error $? "conditional \"AMDEP\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then + as_fn_error $? "conditional \"am__fastdepCC\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi + if test -n "$EXEEXT"; then + am__EXEEXT_TRUE= + am__EXEEXT_FALSE='#' +else + am__EXEEXT_TRUE='#' + am__EXEEXT_FALSE= +fi + +if test -z "${MAINTAINER_MODE_TRUE}" && test -z "${MAINTAINER_MODE_FALSE}"; then + as_fn_error $? "conditional \"MAINTAINER_MODE\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${USE_VALGRIND_TRUE}" && test -z "${USE_VALGRIND_FALSE}"; then + as_fn_error $? "conditional \"USE_VALGRIND\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi + +: "${CONFIG_STATUS=./config.status}" +ac_write_fail=0 +ac_clean_files_save=$ac_clean_files +ac_clean_files="$ac_clean_files $CONFIG_STATUS" +{ $as_echo "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5 +$as_echo "$as_me: creating $CONFIG_STATUS" >&6;} +as_write_fail=0 +cat >$CONFIG_STATUS <<_ASEOF || as_write_fail=1 +#! $SHELL +# Generated by $as_me. +# Run this file to recreate the current configuration. +# Compiler output produced by configure, useful for debugging +# configure, is in config.log if it exists. + +debug=false +ac_cs_recheck=false +ac_cs_silent=false + +SHELL=\${CONFIG_SHELL-$SHELL} +export SHELL +_ASEOF +cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1 +## -------------------- ## +## M4sh Initialization. ## +## -------------------- ## + +# Be more Bourne compatible +DUALCASE=1; export DUALCASE # for MKS sh +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi + + +as_nl=' +' +export as_nl +# Printing a long string crashes Solaris 7 /usr/bin/printf. +as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo +# Prefer a ksh shell builtin over an external printf program on Solaris, +# but without wasting forks for bash or zsh. +if test -z "$BASH_VERSION$ZSH_VERSION" \ + && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='print -r --' + as_echo_n='print -rn --' +elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='printf %s\n' + as_echo_n='printf %s' +else + if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then + as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"' + as_echo_n='/usr/ucb/echo -n' + else + as_echo_body='eval expr "X$1" : "X\\(.*\\)"' + as_echo_n_body='eval + arg=$1; + case $arg in #( + *"$as_nl"*) + expr "X$arg" : "X\\(.*\\)$as_nl"; + arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;; + esac; + expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl" + ' + export as_echo_n_body + as_echo_n='sh -c $as_echo_n_body as_echo' + fi + export as_echo_body + as_echo='sh -c $as_echo_body as_echo' +fi + +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } +fi + + +# IFS +# We need space, tab and new line, in precisely that order. Quoting is +# there to prevent editors from complaining about space-tab. +# (If _AS_PATH_WALK were called with IFS unset, it would disable word +# splitting by setting IFS to empty value.) +IFS=" "" $as_nl" + +# Find who we are. Look in the path if we contain no directory separator. +as_myself= +case $0 in #(( + *[\\/]* ) as_myself=$0 ;; + *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break + done +IFS=$as_save_IFS + + ;; +esac +# We did not find ourselves, most probably we were run as `sh COMMAND' +# in which case we are not to be found in the path. +if test "x$as_myself" = x; then + as_myself=$0 +fi +if test ! -f "$as_myself"; then + $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 + exit 1 +fi + +# Unset variables that we do not need and which cause bugs (e.g. in +# pre-3.0 UWIN ksh). But do not cause bugs in bash 2.01; the "|| exit 1" +# suppresses any "Segmentation fault" message there. '((' could +# trigger a bug in pdksh 5.2.14. +for as_var in BASH_ENV ENV MAIL MAILPATH +do eval test x\${$as_var+set} = xset \ + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : +done +PS1='$ ' +PS2='> ' +PS4='+ ' + +# NLS nuisances. +LC_ALL=C +export LC_ALL +LANGUAGE=C +export LANGUAGE + +# CDPATH. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + + +# as_fn_error STATUS ERROR [LINENO LOG_FD] +# ---------------------------------------- +# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are +# provided, also output the error to LOG_FD, referencing LINENO. Then exit the +# script with STATUS, using 1 if that was 0. +as_fn_error () +{ + as_status=$1; test $as_status -eq 0 && as_status=1 + if test "$4"; then + as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4 + fi + $as_echo "$as_me: error: $2" >&2 + as_fn_exit $as_status +} # as_fn_error + + +# as_fn_set_status STATUS +# ----------------------- +# Set $? to STATUS, without forking. +as_fn_set_status () +{ + return $1 +} # as_fn_set_status + +# as_fn_exit STATUS +# ----------------- +# Exit the shell with STATUS, even in a "trap 0" or "set -e" context. +as_fn_exit () +{ + set +e + as_fn_set_status $1 + exit $1 +} # as_fn_exit + +# as_fn_unset VAR +# --------------- +# Portably unset VAR. +as_fn_unset () +{ + { eval $1=; unset $1;} +} +as_unset=as_fn_unset +# as_fn_append VAR VALUE +# ---------------------- +# Append the text in VALUE to the end of the definition contained in VAR. Take +# advantage of any shell optimizations that allow amortized linear growth over +# repeated appends, instead of the typical quadratic growth present in naive +# implementations. +if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then : + eval 'as_fn_append () + { + eval $1+=\$2 + }' +else + as_fn_append () + { + eval $1=\$$1\$2 + } +fi # as_fn_append + +# as_fn_arith ARG... +# ------------------ +# Perform arithmetic evaluation on the ARGs, and store the result in the +# global $as_val. Take advantage of shells that can avoid forks. The arguments +# must be portable across $(()) and expr. +if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then : + eval 'as_fn_arith () + { + as_val=$(( $* )) + }' +else + as_fn_arith () + { + as_val=`expr "$@" || test $? -eq 1` + } +fi # as_fn_arith + + +if expr a : '\(a\)' >/dev/null 2>&1 && + test "X`expr 00001 : '.*\(...\)'`" = X001; then + as_expr=expr +else + as_expr=false +fi + +if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then + as_basename=basename +else + as_basename=false +fi + +if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then + as_dirname=dirname +else + as_dirname=false +fi + +as_me=`$as_basename -- "$0" || +$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \ + X"$0" : 'X\(//\)$' \| \ + X"$0" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X/"$0" | + sed '/^.*\/\([^/][^/]*\)\/*$/{ + s//\1/ + q + } + /^X\/\(\/\/\)$/{ + s//\1/ + q + } + /^X\/\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + +# Avoid depending upon Character Ranges. +as_cr_letters='abcdefghijklmnopqrstuvwxyz' +as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ' +as_cr_Letters=$as_cr_letters$as_cr_LETTERS +as_cr_digits='0123456789' +as_cr_alnum=$as_cr_Letters$as_cr_digits + +ECHO_C= ECHO_N= ECHO_T= +case `echo -n x` in #((((( +-n*) + case `echo 'xy\c'` in + *c*) ECHO_T=' ';; # ECHO_T is single tab character. + xy) ECHO_C='\c';; + *) echo `echo ksh88 bug on AIX 6.1` > /dev/null + ECHO_T=' ';; + esac;; +*) + ECHO_N='-n';; +esac + +rm -f conf$$ conf$$.exe conf$$.file +if test -d conf$$.dir; then + rm -f conf$$.dir/conf$$.file +else + rm -f conf$$.dir + mkdir conf$$.dir 2>/dev/null +fi +if (echo >conf$$.file) 2>/dev/null; then + if ln -s conf$$.file conf$$ 2>/dev/null; then + as_ln_s='ln -s' + # ... but there are two gotchas: + # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail. + # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable. + # In both cases, we have to default to `cp -p'. + ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe || + as_ln_s='cp -p' + elif ln conf$$.file conf$$ 2>/dev/null; then + as_ln_s=ln + else + as_ln_s='cp -p' + fi +else + as_ln_s='cp -p' +fi +rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file +rmdir conf$$.dir 2>/dev/null + + +# as_fn_mkdir_p +# ------------- +# Create "$as_dir" as a directory, including parents if necessary. +as_fn_mkdir_p () +{ + + case $as_dir in #( + -*) as_dir=./$as_dir;; + esac + test -d "$as_dir" || eval $as_mkdir_p || { + as_dirs= + while :; do + case $as_dir in #( + *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'( + *) as_qdir=$as_dir;; + esac + as_dirs="'$as_qdir' $as_dirs" + as_dir=`$as_dirname -- "$as_dir" || +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_dir" : 'X\(//\)[^/]' \| \ + X"$as_dir" : 'X\(//\)$' \| \ + X"$as_dir" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$as_dir" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + test -d "$as_dir" && break + done + test -z "$as_dirs" || eval "mkdir $as_dirs" + } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir" + + +} # as_fn_mkdir_p +if mkdir -p . 2>/dev/null; then + as_mkdir_p='mkdir -p "$as_dir"' +else + test -d ./-p && rmdir ./-p + as_mkdir_p=false +fi + +if test -x / >/dev/null 2>&1; then + as_test_x='test -x' +else + if ls -dL / >/dev/null 2>&1; then + as_ls_L_option=L + else + as_ls_L_option= + fi + as_test_x=' + eval sh -c '\'' + if test -d "$1"; then + test -d "$1/."; + else + case $1 in #( + -*)set "./$1";; + esac; + case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in #(( + ???[sx]*):;;*)false;;esac;fi + '\'' sh + ' +fi +as_executable_p=$as_test_x + +# Sed expression to map a string onto a valid CPP name. +as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'" + +# Sed expression to map a string onto a valid variable name. +as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'" + + +exec 6>&1 +## ----------------------------------- ## +## Main body of $CONFIG_STATUS script. ## +## ----------------------------------- ## +_ASEOF +test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1 + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# Save the log message, to keep $0 and so on meaningful, and to +# report actual input values of CONFIG_FILES etc. instead of their +# values after options handling. +ac_log=" +This file was extended by ltrace $as_me 0.7.2, which was +generated by GNU Autoconf 2.68. Invocation command line was + + CONFIG_FILES = $CONFIG_FILES + CONFIG_HEADERS = $CONFIG_HEADERS + CONFIG_LINKS = $CONFIG_LINKS + CONFIG_COMMANDS = $CONFIG_COMMANDS + $ $0 $@ + +on `(hostname || uname -n) 2>/dev/null | sed 1q` +" + +_ACEOF + +case $ac_config_files in *" +"*) set x $ac_config_files; shift; ac_config_files=$*;; +esac + +case $ac_config_headers in *" +"*) set x $ac_config_headers; shift; ac_config_headers=$*;; +esac + + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +# Files that config.status was made for. +config_files="$ac_config_files" +config_headers="$ac_config_headers" +config_commands="$ac_config_commands" + +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +ac_cs_usage="\ +\`$as_me' instantiates files and other configuration actions +from templates according to the current configuration. Unless the files +and actions are specified as TAGs, all are instantiated by default. + +Usage: $0 [OPTION]... [TAG]... + + -h, --help print this help, then exit + -V, --version print version number and configuration settings, then exit + --config print configuration, then exit + -q, --quiet, --silent + do not print progress messages + -d, --debug don't remove temporary files + --recheck update $as_me by reconfiguring in the same conditions + --file=FILE[:TEMPLATE] + instantiate the configuration file FILE + --header=FILE[:TEMPLATE] + instantiate the configuration header FILE + +Configuration files: +$config_files + +Configuration headers: +$config_headers + +Configuration commands: +$config_commands + +Report bugs to ." + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`" +ac_cs_version="\\ +ltrace config.status 0.7.2 +configured by $0, generated by GNU Autoconf 2.68, + with options \\"\$ac_cs_config\\" + +Copyright (C) 2010 Free Software Foundation, Inc. +This config.status script is free software; the Free Software Foundation +gives unlimited permission to copy, distribute and modify it." + +ac_pwd='$ac_pwd' +srcdir='$srcdir' +INSTALL='$INSTALL' +MKDIR_P='$MKDIR_P' +AWK='$AWK' +test -n "\$AWK" || AWK=awk +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# The default lists apply if the user does not specify any file. +ac_need_defaults=: +while test $# != 0 +do + case $1 in + --*=?*) + ac_option=`expr "X$1" : 'X\([^=]*\)='` + ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'` + ac_shift=: + ;; + --*=) + ac_option=`expr "X$1" : 'X\([^=]*\)='` + ac_optarg= + ac_shift=: + ;; + *) + ac_option=$1 + ac_optarg=$2 + ac_shift=shift + ;; + esac + + case $ac_option in + # Handling of the options. + -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r) + ac_cs_recheck=: ;; + --version | --versio | --versi | --vers | --ver | --ve | --v | -V ) + $as_echo "$ac_cs_version"; exit ;; + --config | --confi | --conf | --con | --co | --c ) + $as_echo "$ac_cs_config"; exit ;; + --debug | --debu | --deb | --de | --d | -d ) + debug=: ;; + --file | --fil | --fi | --f ) + $ac_shift + case $ac_optarg in + *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;; + '') as_fn_error $? "missing file argument" ;; + esac + as_fn_append CONFIG_FILES " '$ac_optarg'" + ac_need_defaults=false;; + --header | --heade | --head | --hea ) + $ac_shift + case $ac_optarg in + *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;; + esac + as_fn_append CONFIG_HEADERS " '$ac_optarg'" + ac_need_defaults=false;; + --he | --h) + # Conflict between --help and --header + as_fn_error $? "ambiguous option: \`$1' +Try \`$0 --help' for more information.";; + --help | --hel | -h ) + $as_echo "$ac_cs_usage"; exit ;; + -q | -quiet | --quiet | --quie | --qui | --qu | --q \ + | -silent | --silent | --silen | --sile | --sil | --si | --s) + ac_cs_silent=: ;; + + # This is an error. + -*) as_fn_error $? "unrecognized option: \`$1' +Try \`$0 --help' for more information." ;; + + *) as_fn_append ac_config_targets " $1" + ac_need_defaults=false ;; + + esac + shift +done + +ac_configure_extra_args= + +if $ac_cs_silent; then + exec 6>/dev/null + ac_configure_extra_args="$ac_configure_extra_args --silent" +fi + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +if \$ac_cs_recheck; then + set X '$SHELL' '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion + shift + \$as_echo "running CONFIG_SHELL=$SHELL \$*" >&6 + CONFIG_SHELL='$SHELL' + export CONFIG_SHELL + exec "\$@" +fi + +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +exec 5>>config.log +{ + echo + sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX +## Running $as_me. ## +_ASBOX + $as_echo "$ac_log" +} >&5 + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +# +# INIT-COMMANDS +# + + +# The HP-UX ksh and POSIX shell print the target directory to stdout +# if CDPATH is set. 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"$delay_single_quote_subst"`' +lt_cv_to_host_file_cmd='`$ECHO "$lt_cv_to_host_file_cmd" | $SED "$delay_single_quote_subst"`' +lt_cv_to_tool_file_cmd='`$ECHO "$lt_cv_to_tool_file_cmd" | $SED "$delay_single_quote_subst"`' +reload_flag='`$ECHO "$reload_flag" | $SED "$delay_single_quote_subst"`' +reload_cmds='`$ECHO "$reload_cmds" | $SED "$delay_single_quote_subst"`' +OBJDUMP='`$ECHO "$OBJDUMP" | $SED "$delay_single_quote_subst"`' +deplibs_check_method='`$ECHO "$deplibs_check_method" | $SED "$delay_single_quote_subst"`' +file_magic_cmd='`$ECHO "$file_magic_cmd" | $SED "$delay_single_quote_subst"`' +file_magic_glob='`$ECHO "$file_magic_glob" | $SED "$delay_single_quote_subst"`' +want_nocaseglob='`$ECHO "$want_nocaseglob" | $SED "$delay_single_quote_subst"`' +DLLTOOL='`$ECHO "$DLLTOOL" | $SED "$delay_single_quote_subst"`' +sharedlib_from_linklib_cmd='`$ECHO "$sharedlib_from_linklib_cmd" | $SED "$delay_single_quote_subst"`' +AR='`$ECHO "$AR" | $SED "$delay_single_quote_subst"`' +AR_FLAGS='`$ECHO "$AR_FLAGS" | $SED "$delay_single_quote_subst"`' +archiver_list_spec='`$ECHO "$archiver_list_spec" | $SED "$delay_single_quote_subst"`' +STRIP='`$ECHO "$STRIP" | $SED "$delay_single_quote_subst"`' +RANLIB='`$ECHO "$RANLIB" | $SED "$delay_single_quote_subst"`' +old_postinstall_cmds='`$ECHO "$old_postinstall_cmds" | $SED "$delay_single_quote_subst"`' +old_postuninstall_cmds='`$ECHO "$old_postuninstall_cmds" | $SED "$delay_single_quote_subst"`' +old_archive_cmds='`$ECHO "$old_archive_cmds" | $SED "$delay_single_quote_subst"`' +lock_old_archive_extraction='`$ECHO "$lock_old_archive_extraction" | $SED "$delay_single_quote_subst"`' +CC='`$ECHO "$CC" | $SED "$delay_single_quote_subst"`' +CFLAGS='`$ECHO "$CFLAGS" | $SED "$delay_single_quote_subst"`' +compiler='`$ECHO "$compiler" | $SED "$delay_single_quote_subst"`' +GCC='`$ECHO "$GCC" | $SED "$delay_single_quote_subst"`' +lt_cv_sys_global_symbol_pipe='`$ECHO "$lt_cv_sys_global_symbol_pipe" | $SED "$delay_single_quote_subst"`' +lt_cv_sys_global_symbol_to_cdecl='`$ECHO "$lt_cv_sys_global_symbol_to_cdecl" | $SED "$delay_single_quote_subst"`' +lt_cv_sys_global_symbol_to_c_name_address='`$ECHO "$lt_cv_sys_global_symbol_to_c_name_address" | $SED "$delay_single_quote_subst"`' +lt_cv_sys_global_symbol_to_c_name_address_lib_prefix='`$ECHO "$lt_cv_sys_global_symbol_to_c_name_address_lib_prefix" | $SED "$delay_single_quote_subst"`' +nm_file_list_spec='`$ECHO "$nm_file_list_spec" | $SED "$delay_single_quote_subst"`' +lt_sysroot='`$ECHO "$lt_sysroot" | $SED "$delay_single_quote_subst"`' +objdir='`$ECHO "$objdir" | $SED "$delay_single_quote_subst"`' +MAGIC_CMD='`$ECHO "$MAGIC_CMD" | $SED "$delay_single_quote_subst"`' +lt_prog_compiler_no_builtin_flag='`$ECHO "$lt_prog_compiler_no_builtin_flag" | $SED "$delay_single_quote_subst"`' +lt_prog_compiler_pic='`$ECHO "$lt_prog_compiler_pic" | $SED "$delay_single_quote_subst"`' +lt_prog_compiler_wl='`$ECHO "$lt_prog_compiler_wl" | $SED "$delay_single_quote_subst"`' +lt_prog_compiler_static='`$ECHO "$lt_prog_compiler_static" | $SED "$delay_single_quote_subst"`' +lt_cv_prog_compiler_c_o='`$ECHO "$lt_cv_prog_compiler_c_o" | $SED "$delay_single_quote_subst"`' +need_locks='`$ECHO "$need_locks" | $SED "$delay_single_quote_subst"`' +MANIFEST_TOOL='`$ECHO "$MANIFEST_TOOL" | $SED "$delay_single_quote_subst"`' +DSYMUTIL='`$ECHO "$DSYMUTIL" | $SED "$delay_single_quote_subst"`' +NMEDIT='`$ECHO "$NMEDIT" | $SED "$delay_single_quote_subst"`' +LIPO='`$ECHO "$LIPO" | $SED "$delay_single_quote_subst"`' +OTOOL='`$ECHO "$OTOOL" | $SED "$delay_single_quote_subst"`' +OTOOL64='`$ECHO "$OTOOL64" | $SED "$delay_single_quote_subst"`' +libext='`$ECHO "$libext" | $SED "$delay_single_quote_subst"`' +shrext_cmds='`$ECHO "$shrext_cmds" | $SED "$delay_single_quote_subst"`' +extract_expsyms_cmds='`$ECHO "$extract_expsyms_cmds" | $SED "$delay_single_quote_subst"`' +archive_cmds_need_lc='`$ECHO "$archive_cmds_need_lc" | $SED "$delay_single_quote_subst"`' +enable_shared_with_static_runtimes='`$ECHO "$enable_shared_with_static_runtimes" | $SED "$delay_single_quote_subst"`' +export_dynamic_flag_spec='`$ECHO "$export_dynamic_flag_spec" | $SED "$delay_single_quote_subst"`' +whole_archive_flag_spec='`$ECHO "$whole_archive_flag_spec" | $SED "$delay_single_quote_subst"`' +compiler_needs_object='`$ECHO "$compiler_needs_object" | $SED "$delay_single_quote_subst"`' +old_archive_from_new_cmds='`$ECHO "$old_archive_from_new_cmds" | $SED "$delay_single_quote_subst"`' +old_archive_from_expsyms_cmds='`$ECHO "$old_archive_from_expsyms_cmds" | $SED "$delay_single_quote_subst"`' +archive_cmds='`$ECHO "$archive_cmds" | $SED "$delay_single_quote_subst"`' +archive_expsym_cmds='`$ECHO "$archive_expsym_cmds" | $SED "$delay_single_quote_subst"`' +module_cmds='`$ECHO "$module_cmds" | $SED "$delay_single_quote_subst"`' +module_expsym_cmds='`$ECHO "$module_expsym_cmds" | $SED "$delay_single_quote_subst"`' +with_gnu_ld='`$ECHO "$with_gnu_ld" | $SED "$delay_single_quote_subst"`' +allow_undefined_flag='`$ECHO "$allow_undefined_flag" | $SED "$delay_single_quote_subst"`' +no_undefined_flag='`$ECHO "$no_undefined_flag" | $SED "$delay_single_quote_subst"`' +hardcode_libdir_flag_spec='`$ECHO "$hardcode_libdir_flag_spec" | $SED "$delay_single_quote_subst"`' +hardcode_libdir_flag_spec_ld='`$ECHO "$hardcode_libdir_flag_spec_ld" | $SED "$delay_single_quote_subst"`' +hardcode_libdir_separator='`$ECHO "$hardcode_libdir_separator" | $SED "$delay_single_quote_subst"`' +hardcode_direct='`$ECHO "$hardcode_direct" | $SED "$delay_single_quote_subst"`' +hardcode_direct_absolute='`$ECHO "$hardcode_direct_absolute" | $SED "$delay_single_quote_subst"`' +hardcode_minus_L='`$ECHO "$hardcode_minus_L" | $SED "$delay_single_quote_subst"`' +hardcode_shlibpath_var='`$ECHO "$hardcode_shlibpath_var" | $SED "$delay_single_quote_subst"`' +hardcode_automatic='`$ECHO "$hardcode_automatic" | $SED "$delay_single_quote_subst"`' +inherit_rpath='`$ECHO "$inherit_rpath" | $SED "$delay_single_quote_subst"`' +link_all_deplibs='`$ECHO "$link_all_deplibs" | $SED "$delay_single_quote_subst"`' +always_export_symbols='`$ECHO "$always_export_symbols" | $SED "$delay_single_quote_subst"`' +export_symbols_cmds='`$ECHO "$export_symbols_cmds" | $SED "$delay_single_quote_subst"`' +exclude_expsyms='`$ECHO "$exclude_expsyms" | $SED "$delay_single_quote_subst"`' +include_expsyms='`$ECHO "$include_expsyms" | $SED "$delay_single_quote_subst"`' +prelink_cmds='`$ECHO "$prelink_cmds" | $SED "$delay_single_quote_subst"`' +postlink_cmds='`$ECHO "$postlink_cmds" | $SED "$delay_single_quote_subst"`' +file_list_spec='`$ECHO "$file_list_spec" | $SED "$delay_single_quote_subst"`' +variables_saved_for_relink='`$ECHO "$variables_saved_for_relink" | $SED "$delay_single_quote_subst"`' +need_lib_prefix='`$ECHO "$need_lib_prefix" | $SED "$delay_single_quote_subst"`' +need_version='`$ECHO "$need_version" | $SED "$delay_single_quote_subst"`' +version_type='`$ECHO "$version_type" | $SED "$delay_single_quote_subst"`' +runpath_var='`$ECHO "$runpath_var" | $SED "$delay_single_quote_subst"`' +shlibpath_var='`$ECHO "$shlibpath_var" | $SED "$delay_single_quote_subst"`' +shlibpath_overrides_runpath='`$ECHO "$shlibpath_overrides_runpath" | $SED "$delay_single_quote_subst"`' +libname_spec='`$ECHO "$libname_spec" | $SED "$delay_single_quote_subst"`' +library_names_spec='`$ECHO "$library_names_spec" | $SED "$delay_single_quote_subst"`' +soname_spec='`$ECHO "$soname_spec" | $SED "$delay_single_quote_subst"`' +install_override_mode='`$ECHO "$install_override_mode" | $SED "$delay_single_quote_subst"`' +postinstall_cmds='`$ECHO "$postinstall_cmds" | $SED "$delay_single_quote_subst"`' +postuninstall_cmds='`$ECHO "$postuninstall_cmds" | $SED "$delay_single_quote_subst"`' +finish_cmds='`$ECHO "$finish_cmds" | $SED "$delay_single_quote_subst"`' +finish_eval='`$ECHO "$finish_eval" | $SED "$delay_single_quote_subst"`' +hardcode_into_libs='`$ECHO "$hardcode_into_libs" | $SED "$delay_single_quote_subst"`' +sys_lib_search_path_spec='`$ECHO "$sys_lib_search_path_spec" | $SED "$delay_single_quote_subst"`' +sys_lib_dlsearch_path_spec='`$ECHO "$sys_lib_dlsearch_path_spec" | $SED "$delay_single_quote_subst"`' +hardcode_action='`$ECHO "$hardcode_action" | $SED "$delay_single_quote_subst"`' +enable_dlopen='`$ECHO "$enable_dlopen" | $SED "$delay_single_quote_subst"`' +enable_dlopen_self='`$ECHO "$enable_dlopen_self" | $SED "$delay_single_quote_subst"`' +enable_dlopen_self_static='`$ECHO "$enable_dlopen_self_static" | $SED "$delay_single_quote_subst"`' +old_striplib='`$ECHO "$old_striplib" | $SED "$delay_single_quote_subst"`' +striplib='`$ECHO "$striplib" | $SED "$delay_single_quote_subst"`' + +LTCC='$LTCC' +LTCFLAGS='$LTCFLAGS' +compiler='$compiler_DEFAULT' + +# A function that is used when there is no print builtin or printf. +func_fallback_echo () +{ + eval 'cat <<_LTECHO_EOF +\$1 +_LTECHO_EOF' +} + +# Quote evaled strings. +for var in SHELL \ +ECHO \ +SED \ +GREP \ +EGREP \ +FGREP \ +LD \ +NM \ +LN_S \ +lt_SP2NL \ +lt_NL2SP \ +reload_flag \ +OBJDUMP \ +deplibs_check_method \ +file_magic_cmd \ +file_magic_glob \ +want_nocaseglob \ +DLLTOOL \ +sharedlib_from_linklib_cmd \ +AR \ +AR_FLAGS \ +archiver_list_spec \ +STRIP \ +RANLIB \ +CC \ +CFLAGS \ +compiler \ +lt_cv_sys_global_symbol_pipe \ +lt_cv_sys_global_symbol_to_cdecl \ +lt_cv_sys_global_symbol_to_c_name_address \ +lt_cv_sys_global_symbol_to_c_name_address_lib_prefix \ +nm_file_list_spec \ +lt_prog_compiler_no_builtin_flag \ +lt_prog_compiler_pic \ +lt_prog_compiler_wl \ +lt_prog_compiler_static \ +lt_cv_prog_compiler_c_o \ +need_locks \ +MANIFEST_TOOL \ +DSYMUTIL \ +NMEDIT \ +LIPO \ +OTOOL \ +OTOOL64 \ +shrext_cmds \ +export_dynamic_flag_spec \ +whole_archive_flag_spec \ +compiler_needs_object \ +with_gnu_ld \ +allow_undefined_flag \ +no_undefined_flag \ +hardcode_libdir_flag_spec \ +hardcode_libdir_flag_spec_ld \ +hardcode_libdir_separator \ +exclude_expsyms \ +include_expsyms \ +file_list_spec \ +variables_saved_for_relink \ +libname_spec \ +library_names_spec \ +soname_spec \ +install_override_mode \ +finish_eval \ +old_striplib \ +striplib; do + case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in + *[\\\\\\\`\\"\\\$]*) + eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED \\"\\\$sed_quote_subst\\"\\\`\\\\\\"" + ;; + *) + eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\"" + ;; + esac +done + +# Double-quote double-evaled strings. +for var in reload_cmds \ +old_postinstall_cmds \ +old_postuninstall_cmds \ +old_archive_cmds \ +extract_expsyms_cmds \ +old_archive_from_new_cmds \ +old_archive_from_expsyms_cmds \ +archive_cmds \ +archive_expsym_cmds \ +module_cmds \ +module_expsym_cmds \ +export_symbols_cmds \ +prelink_cmds \ +postlink_cmds \ +postinstall_cmds \ +postuninstall_cmds \ +finish_cmds \ +sys_lib_search_path_spec \ +sys_lib_dlsearch_path_spec; do + case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in + *[\\\\\\\`\\"\\\$]*) + eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED -e \\"\\\$double_quote_subst\\" -e \\"\\\$sed_quote_subst\\" -e \\"\\\$delay_variable_subst\\"\\\`\\\\\\"" + ;; + *) + eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\"" + ;; + esac +done + +ac_aux_dir='$ac_aux_dir' +xsi_shell='$xsi_shell' +lt_shell_append='$lt_shell_append' + +# See if we are running on zsh, and set the options which allow our +# commands through without removal of \ escapes INIT. +if test -n "\${ZSH_VERSION+set}" ; then + setopt NO_GLOB_SUBST +fi + + + PACKAGE='$PACKAGE' + VERSION='$VERSION' + TIMESTAMP='$TIMESTAMP' + RM='$RM' + ofile='$ofile' + + + +AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir" + +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 + +# Handling of arguments. +for ac_config_target in $ac_config_targets +do + case $ac_config_target in + "config.h") CONFIG_HEADERS="$CONFIG_HEADERS config.h" ;; + "libtool") CONFIG_COMMANDS="$CONFIG_COMMANDS libtool" ;; + "depfiles") CONFIG_COMMANDS="$CONFIG_COMMANDS depfiles" ;; + "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;; + "sysdeps/Makefile") CONFIG_FILES="$CONFIG_FILES sysdeps/Makefile" ;; + "sysdeps/linux-gnu/Makefile") CONFIG_FILES="$CONFIG_FILES sysdeps/linux-gnu/Makefile" ;; + "sysdeps/linux-gnu/alpha/Makefile") CONFIG_FILES="$CONFIG_FILES sysdeps/linux-gnu/alpha/Makefile" ;; + "sysdeps/linux-gnu/arm/Makefile") CONFIG_FILES="$CONFIG_FILES sysdeps/linux-gnu/arm/Makefile" ;; + "sysdeps/linux-gnu/cris/Makefile") CONFIG_FILES="$CONFIG_FILES sysdeps/linux-gnu/cris/Makefile" ;; + "sysdeps/linux-gnu/ia64/Makefile") CONFIG_FILES="$CONFIG_FILES sysdeps/linux-gnu/ia64/Makefile" ;; + "sysdeps/linux-gnu/m68k/Makefile") CONFIG_FILES="$CONFIG_FILES sysdeps/linux-gnu/m68k/Makefile" ;; + "sysdeps/linux-gnu/mipsel/Makefile") CONFIG_FILES="$CONFIG_FILES sysdeps/linux-gnu/mipsel/Makefile" ;; + "sysdeps/linux-gnu/ppc/Makefile") CONFIG_FILES="$CONFIG_FILES sysdeps/linux-gnu/ppc/Makefile" ;; + "sysdeps/linux-gnu/s390/Makefile") CONFIG_FILES="$CONFIG_FILES sysdeps/linux-gnu/s390/Makefile" ;; + "sysdeps/linux-gnu/sparc/Makefile") CONFIG_FILES="$CONFIG_FILES sysdeps/linux-gnu/sparc/Makefile" ;; + "sysdeps/linux-gnu/x86/Makefile") CONFIG_FILES="$CONFIG_FILES sysdeps/linux-gnu/x86/Makefile" ;; + "testsuite/Makefile") CONFIG_FILES="$CONFIG_FILES testsuite/Makefile" ;; + "testsuite/ltrace.main/Makefile") CONFIG_FILES="$CONFIG_FILES testsuite/ltrace.main/Makefile" ;; + "testsuite/ltrace.minor/Makefile") CONFIG_FILES="$CONFIG_FILES testsuite/ltrace.minor/Makefile" ;; + "testsuite/ltrace.torture/Makefile") CONFIG_FILES="$CONFIG_FILES testsuite/ltrace.torture/Makefile" ;; + + *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;; + esac +done + + +# If the user did not use the arguments to specify the items to instantiate, +# then the envvar interface is used. Set only those that are not. +# We use the long form for the default assignment because of an extremely +# bizarre bug on SunOS 4.1.3. +if $ac_need_defaults; then + test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files + test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers + test "${CONFIG_COMMANDS+set}" = set || CONFIG_COMMANDS=$config_commands +fi + +# Have a temporary directory for convenience. Make it in the build tree +# simply because there is no reason against having it here, and in addition, +# creating and moving files from /tmp can sometimes cause problems. +# Hook for its removal unless debugging. +# Note that there is a small window in which the directory will not be cleaned: +# after its creation but before its name has been assigned to `$tmp'. +$debug || +{ + tmp= ac_tmp= + trap 'exit_status=$? + : "${ac_tmp:=$tmp}" + { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status +' 0 + trap 'as_fn_exit 1' 1 2 13 15 +} +# Create a (secure) tmp directory for tmp files. + +{ + tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` && + test -d "$tmp" +} || +{ + tmp=./conf$$-$RANDOM + (umask 077 && mkdir "$tmp") +} || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5 +ac_tmp=$tmp + +# Set up the scripts for CONFIG_FILES section. +# No need to generate them if there are no CONFIG_FILES. +# This happens for instance with `./config.status config.h'. +if test -n "$CONFIG_FILES"; then + + +ac_cr=`echo X | tr X '\015'` +# On cygwin, bash can eat \r inside `` if the user requested igncr. +# But we know of no other shell where ac_cr would be empty at this +# point, so we can use a bashism as a fallback. +if test "x$ac_cr" = x; then + eval ac_cr=\$\'\\r\' +fi +ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' /dev/null` +if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then + ac_cs_awk_cr='\\r' +else + ac_cs_awk_cr=$ac_cr +fi + +echo 'BEGIN {' >"$ac_tmp/subs1.awk" && +_ACEOF + + +{ + echo "cat >conf$$subs.awk <<_ACEOF" && + echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' && + echo "_ACEOF" +} >conf$$subs.sh || + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 +ac_delim_num=`echo "$ac_subst_vars" | grep -c '^'` +ac_delim='%!_!# ' +for ac_last_try in false false false false false :; do + . ./conf$$subs.sh || + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 + + ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X` + if test $ac_delim_n = $ac_delim_num; then + break + elif $ac_last_try; then + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 + else + ac_delim="$ac_delim!$ac_delim _$ac_delim!! " + fi +done +rm -f conf$$subs.sh + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +cat >>"\$ac_tmp/subs1.awk" <<\\_ACAWK && +_ACEOF +sed -n ' +h +s/^/S["/; s/!.*/"]=/ +p +g +s/^[^!]*!// +:repl +t repl +s/'"$ac_delim"'$// +t delim +:nl +h +s/\(.\{148\}\)..*/\1/ +t more1 +s/["\\]/\\&/g; s/^/"/; s/$/\\n"\\/ +p +n +b repl +:more1 +s/["\\]/\\&/g; s/^/"/; s/$/"\\/ +p +g +s/.\{148\}// +t nl +:delim +h +s/\(.\{148\}\)..*/\1/ +t more2 +s/["\\]/\\&/g; s/^/"/; s/$/"/ +p +b +:more2 +s/["\\]/\\&/g; s/^/"/; s/$/"\\/ +p +g +s/.\{148\}// +t delim +' >$CONFIG_STATUS || ac_write_fail=1 +rm -f conf$$subs.awk +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +_ACAWK +cat >>"\$ac_tmp/subs1.awk" <<_ACAWK && + for (key in S) S_is_set[key] = 1 + FS = "" + +} +{ + line = $ 0 + nfields = split(line, field, "@") + substed = 0 + len = length(field[1]) + for (i = 2; i < nfields; i++) { + key = field[i] + keylen = length(key) + if (S_is_set[key]) { + value = S[key] + line = substr(line, 1, len) "" value "" substr(line, len + keylen + 3) + len += length(value) + length(field[++i]) + substed = 1 + } else + len += 1 + keylen + } + + print line +} + +_ACAWK +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then + sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g" +else + cat +fi < "$ac_tmp/subs1.awk" > "$ac_tmp/subs.awk" \ + || as_fn_error $? "could not setup config files machinery" "$LINENO" 5 +_ACEOF + +# VPATH may cause trouble with some makes, so we remove sole $(srcdir), +# ${srcdir} and @srcdir@ entries from VPATH if srcdir is ".", strip leading and +# trailing colons and then remove the whole line if VPATH becomes empty +# (actually we leave an empty line to preserve line numbers). +if test "x$srcdir" = x.; then + ac_vpsub='/^[ ]*VPATH[ ]*=[ ]*/{ +h +s/// +s/^/:/ +s/[ ]*$/:/ +s/:\$(srcdir):/:/g +s/:\${srcdir}:/:/g +s/:@srcdir@:/:/g +s/^:*// +s/:*$// +x +s/\(=[ ]*\).*/\1/ +G +s/\n// +s/^[^=]*=[ ]*$// +}' +fi + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +fi # test -n "$CONFIG_FILES" + +# Set up the scripts for CONFIG_HEADERS section. +# No need to generate them if there are no CONFIG_HEADERS. +# This happens for instance with `./config.status Makefile'. +if test -n "$CONFIG_HEADERS"; then +cat >"$ac_tmp/defines.awk" <<\_ACAWK || +BEGIN { +_ACEOF + +# Transform confdefs.h into an awk script `defines.awk', embedded as +# here-document in config.status, that substitutes the proper values into +# config.h.in to produce config.h. + +# Create a delimiter string that does not exist in confdefs.h, to ease +# handling of long lines. +ac_delim='%!_!# ' +for ac_last_try in false false :; do + ac_tt=`sed -n "/$ac_delim/p" confdefs.h` + if test -z "$ac_tt"; then + break + elif $ac_last_try; then + as_fn_error $? "could not make $CONFIG_HEADERS" "$LINENO" 5 + else + ac_delim="$ac_delim!$ac_delim _$ac_delim!! " + fi +done + +# For the awk script, D is an array of macro values keyed by name, +# likewise P contains macro parameters if any. Preserve backslash +# newline sequences. + +ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]* +sed -n ' +s/.\{148\}/&'"$ac_delim"'/g +t rset +:rset +s/^[ ]*#[ ]*define[ ][ ]*/ / +t def +d +:def +s/\\$// +t bsnl +s/["\\]/\\&/g +s/^ \('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/P["\1"]="\2"\ +D["\1"]=" \3"/p +s/^ \('"$ac_word_re"'\)[ ]*\(.*\)/D["\1"]=" \2"/p +d +:bsnl +s/["\\]/\\&/g +s/^ \('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/P["\1"]="\2"\ +D["\1"]=" \3\\\\\\n"\\/p +t cont +s/^ \('"$ac_word_re"'\)[ ]*\(.*\)/D["\1"]=" \2\\\\\\n"\\/p +t cont +d +:cont +n +s/.\{148\}/&'"$ac_delim"'/g +t clear +:clear +s/\\$// +t bsnlc +s/["\\]/\\&/g; s/^/"/; s/$/"/p +d +:bsnlc +s/["\\]/\\&/g; s/^/"/; s/$/\\\\\\n"\\/p +b cont +' >$CONFIG_STATUS || ac_write_fail=1 + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 + for (key in D) D_is_set[key] = 1 + FS = "" +} +/^[\t ]*#[\t ]*(define|undef)[\t ]+$ac_word_re([\t (]|\$)/ { + line = \$ 0 + split(line, arg, " ") + if (arg[1] == "#") { + defundef = arg[2] + mac1 = arg[3] + } else { + defundef = substr(arg[1], 2) + mac1 = arg[2] + } + split(mac1, mac2, "(") #) + macro = mac2[1] + prefix = substr(line, 1, index(line, defundef) - 1) + if (D_is_set[macro]) { + # Preserve the white space surrounding the "#". + print prefix "define", macro P[macro] D[macro] + next + } else { + # Replace #undef with comments. This is necessary, for example, + # in the case of _POSIX_SOURCE, which is predefined and required + # on some systems where configure will not decide to define it. + if (defundef == "undef") { + print "/*", prefix defundef, macro, "*/" + next + } + } +} +{ print } +_ACAWK +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 + as_fn_error $? "could not setup config headers machinery" "$LINENO" 5 +fi # test -n "$CONFIG_HEADERS" + + +eval set X " :F $CONFIG_FILES :H $CONFIG_HEADERS :C $CONFIG_COMMANDS" +shift +for ac_tag +do + case $ac_tag in + :[FHLC]) ac_mode=$ac_tag; continue;; + esac + case $ac_mode$ac_tag in + :[FHL]*:*);; + :L* | :C*:*) as_fn_error $? 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Generated by config.status. */ + configure_input='Generated from '` + $as_echo "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g' + `' by configure.' + if test x"$ac_file" != x-; then + configure_input="$ac_file. $configure_input" + { $as_echo "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5 +$as_echo "$as_me: creating $ac_file" >&6;} + fi + # Neutralize special characters interpreted by sed in replacement strings. + case $configure_input in #( + *\&* | *\|* | *\\* ) + ac_sed_conf_input=`$as_echo "$configure_input" | + sed 's/[\\\\&|]/\\\\&/g'`;; #( + *) ac_sed_conf_input=$configure_input;; + esac + + case $ac_tag in + *:-:* | *:-) cat >"$ac_tmp/stdin" \ + || as_fn_error $? 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See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with GNU Libtool; see the file COPYING. If not, a copy +# can be downloaded from http://www.gnu.org/licenses/gpl.html, or +# obtained by writing to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + + +# The names of the tagged configurations supported by this script. +available_tags="" + +# ### BEGIN LIBTOOL CONFIG + +# Which release of libtool.m4 was used? +macro_version=$macro_version +macro_revision=$macro_revision + +# Whether or not to build shared libraries. +build_libtool_libs=$enable_shared + +# Whether or not to build static libraries. +build_old_libs=$enable_static + +# What type of objects to build. +pic_mode=$pic_mode + +# Whether or not to optimize for fast installation. +fast_install=$enable_fast_install + +# Shell to use when invoking shell scripts. +SHELL=$lt_SHELL + +# An echo program that protects backslashes. +ECHO=$lt_ECHO + +# The host system. +host_alias=$host_alias +host=$host +host_os=$host_os + +# The build system. +build_alias=$build_alias +build=$build +build_os=$build_os + +# A sed program that does not truncate output. +SED=$lt_SED + +# Sed that helps us avoid accidentally triggering echo(1) options like -n. +Xsed="\$SED -e 1s/^X//" + +# A grep program that handles long lines. +GREP=$lt_GREP + +# An ERE matcher. +EGREP=$lt_EGREP + +# A literal string matcher. +FGREP=$lt_FGREP + +# A BSD- or MS-compatible name lister. +NM=$lt_NM + +# Whether we need soft or hard links. +LN_S=$lt_LN_S + +# What is the maximum length of a command? 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This must work even if \$libdir does not exist. +hardcode_libdir_flag_spec_ld=$lt_hardcode_libdir_flag_spec_ld + +# Whether we need a single "-rpath" flag with a separated argument. +hardcode_libdir_separator=$lt_hardcode_libdir_separator + +# Set to "yes" if using DIR/libNAME\${shared_ext} during linking hardcodes +# DIR into the resulting binary. +hardcode_direct=$hardcode_direct + +# Set to "yes" if using DIR/libNAME\${shared_ext} during linking hardcodes +# DIR into the resulting binary and the resulting library dependency is +# "absolute",i.e impossible to change by setting \${shlibpath_var} if the +# library is relocated. +hardcode_direct_absolute=$hardcode_direct_absolute + +# Set to "yes" if using the -LDIR flag during linking hardcodes DIR +# into the resulting binary. +hardcode_minus_L=$hardcode_minus_L + +# Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR +# into the resulting binary. +hardcode_shlibpath_var=$hardcode_shlibpath_var + +# Set to "yes" if building a shared library automatically hardcodes DIR +# into the library and all subsequent libraries and executables linked +# against it. +hardcode_automatic=$hardcode_automatic + +# Set to yes if linker adds runtime paths of dependent libraries +# to runtime path list. +inherit_rpath=$inherit_rpath + +# Whether libtool must link a program against all its dependency libraries. +link_all_deplibs=$link_all_deplibs + +# Set to "yes" if exported symbols are required. +always_export_symbols=$always_export_symbols + +# The commands to list exported symbols. +export_symbols_cmds=$lt_export_symbols_cmds + +# Symbols that should not be listed in the preloaded symbols. +exclude_expsyms=$lt_exclude_expsyms + +# Symbols that must always be exported. +include_expsyms=$lt_include_expsyms + +# Commands necessary for linking programs (against libraries) with templates. +prelink_cmds=$lt_prelink_cmds + +# Commands necessary for finishing linking programs. +postlink_cmds=$lt_postlink_cmds + +# Specify filename containing input files. +file_list_spec=$lt_file_list_spec + +# How to hardcode a shared library path into an executable. +hardcode_action=$hardcode_action + +# ### END LIBTOOL CONFIG + +_LT_EOF + + case $host_os in + aix3*) + cat <<\_LT_EOF >> "$cfgfile" +# AIX sometimes has problems with the GCC collect2 program. For some +# reason, if we set the COLLECT_NAMES environment variable, the problems +# vanish in a puff of smoke. +if test "X${COLLECT_NAMES+set}" != Xset; then + COLLECT_NAMES= + export COLLECT_NAMES +fi +_LT_EOF + ;; + esac + + +ltmain="$ac_aux_dir/ltmain.sh" + + + # We use sed instead of cat because bash on DJGPP gets confused if + # if finds mixed CR/LF and LF-only lines. Since sed operates in + # text mode, it properly converts lines to CR/LF. This bash problem + # is reportedly fixed, but why not run on old versions too? + sed '$q' "$ltmain" >> "$cfgfile" \ + || (rm -f "$cfgfile"; exit 1) + + if test x"$xsi_shell" = xyes; then + sed -e '/^func_dirname ()$/,/^} # func_dirname /c\ +func_dirname ()\ +{\ +\ case ${1} in\ +\ */*) func_dirname_result="${1%/*}${2}" ;;\ +\ * ) func_dirname_result="${3}" ;;\ +\ esac\ +} # Extended-shell func_dirname implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_basename ()$/,/^} # func_basename /c\ +func_basename ()\ +{\ +\ func_basename_result="${1##*/}"\ +} # Extended-shell func_basename implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_dirname_and_basename ()$/,/^} # func_dirname_and_basename /c\ +func_dirname_and_basename ()\ +{\ +\ case ${1} in\ +\ */*) func_dirname_result="${1%/*}${2}" ;;\ +\ * ) func_dirname_result="${3}" ;;\ +\ esac\ +\ func_basename_result="${1##*/}"\ +} # Extended-shell func_dirname_and_basename implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_stripname ()$/,/^} # func_stripname /c\ +func_stripname ()\ +{\ +\ # pdksh 5.2.14 does not do ${X%$Y} correctly if both X and Y are\ +\ # positional parameters, so assign one to ordinary parameter first.\ +\ func_stripname_result=${3}\ +\ func_stripname_result=${func_stripname_result#"${1}"}\ +\ func_stripname_result=${func_stripname_result%"${2}"}\ +} # Extended-shell func_stripname implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_split_long_opt ()$/,/^} # func_split_long_opt /c\ +func_split_long_opt ()\ +{\ +\ func_split_long_opt_name=${1%%=*}\ +\ func_split_long_opt_arg=${1#*=}\ +} # Extended-shell func_split_long_opt implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_split_short_opt ()$/,/^} # func_split_short_opt /c\ +func_split_short_opt ()\ +{\ +\ func_split_short_opt_arg=${1#??}\ +\ func_split_short_opt_name=${1%"$func_split_short_opt_arg"}\ +} # Extended-shell func_split_short_opt implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_lo2o ()$/,/^} # func_lo2o /c\ +func_lo2o ()\ +{\ +\ case ${1} in\ +\ *.lo) func_lo2o_result=${1%.lo}.${objext} ;;\ +\ *) func_lo2o_result=${1} ;;\ +\ esac\ +} # Extended-shell func_lo2o implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_xform ()$/,/^} # func_xform /c\ +func_xform ()\ +{\ + func_xform_result=${1%.*}.lo\ +} # Extended-shell func_xform implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_arith ()$/,/^} # func_arith /c\ +func_arith ()\ +{\ + func_arith_result=$(( $* ))\ +} # Extended-shell func_arith implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_len ()$/,/^} # func_len /c\ +func_len ()\ +{\ + func_len_result=${#1}\ +} # Extended-shell func_len implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + +fi + +if test x"$lt_shell_append" = xyes; then + sed -e '/^func_append ()$/,/^} # func_append /c\ +func_append ()\ +{\ + eval "${1}+=\\${2}"\ +} # Extended-shell func_append implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_append_quoted ()$/,/^} # func_append_quoted /c\ +func_append_quoted ()\ +{\ +\ func_quote_for_eval "${2}"\ +\ eval "${1}+=\\\\ \\$func_quote_for_eval_result"\ +} # Extended-shell func_append_quoted implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + # Save a `func_append' function call where possible by direct use of '+=' + sed -e 's%func_append \([a-zA-Z_]\{1,\}\) "%\1+="%g' $cfgfile > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") + test 0 -eq $? || _lt_function_replace_fail=: +else + # Save a `func_append' function call even when '+=' is not available + sed -e 's%func_append \([a-zA-Z_]\{1,\}\) "%\1="$\1%g' $cfgfile > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") + test 0 -eq $? || _lt_function_replace_fail=: +fi + +if test x"$_lt_function_replace_fail" = x":"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Unable to substitute extended shell functions in $ofile" >&5 +$as_echo "$as_me: WARNING: Unable to substitute extended shell functions in $ofile" >&2;} +fi + + + mv -f "$cfgfile" "$ofile" || + (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile") + chmod +x "$ofile" + + ;; + "depfiles":C) test x"$AMDEP_TRUE" != x"" || { + # Autoconf 2.62 quotes --file arguments for eval, but not when files + # are listed without --file. Let's play safe and only enable the eval + # if we detect the quoting. + case $CONFIG_FILES in + *\'*) eval set x "$CONFIG_FILES" ;; + *) set x $CONFIG_FILES ;; + esac + shift + for mf + do + # Strip MF so we end up with the name of the file. + mf=`echo "$mf" | sed -e 's/:.*$//'` + # Check whether this is an Automake generated Makefile or not. + # We used to match only the files named `Makefile.in', but + # some people rename them; so instead we look at the file content. + # Grep'ing the first line is not enough: some people post-process + # each Makefile.in and add a new line on top of each file to say so. + # Grep'ing the whole file is not good either: AIX grep has a line + # limit of 2048, but all sed's we know have understand at least 4000. + if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then + dirpart=`$as_dirname -- "$mf" || +$as_expr X"$mf" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$mf" : 'X\(//\)[^/]' \| \ + X"$mf" : 'X\(//\)$' \| \ + X"$mf" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$mf" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + else + continue + fi + # Extract the definition of DEPDIR, am__include, and am__quote + # from the Makefile without running `make'. + DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"` + test -z "$DEPDIR" && continue + am__include=`sed -n 's/^am__include = //p' < "$mf"` + test -z "am__include" && continue + am__quote=`sed -n 's/^am__quote = //p' < "$mf"` + # When using ansi2knr, U may be empty or an underscore; expand it + U=`sed -n 's/^U = //p' < "$mf"` + # Find all dependency output files, they are included files with + # $(DEPDIR) in their names. We invoke sed twice because it is the + # simplest approach to changing $(DEPDIR) to its actual value in the + # expansion. + for file in `sed -n " + s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \ + sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do + # Make sure the directory exists. + test -f "$dirpart/$file" && continue + fdir=`$as_dirname -- "$file" || +$as_expr X"$file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$file" : 'X\(//\)[^/]' \| \ + X"$file" : 'X\(//\)$' \| \ + X"$file" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$file" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + as_dir=$dirpart/$fdir; as_fn_mkdir_p + # echo "creating $dirpart/$file" + echo '# dummy' > "$dirpart/$file" + done + done +} + ;; + + esac +done # for ac_tag + + +as_fn_exit 0 +_ACEOF +ac_clean_files=$ac_clean_files_save + +test $ac_write_fail = 0 || + as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5 + + +# configure is writing to config.log, and then calls config.status. +# config.status does its own redirection, appending to config.log. +# Unfortunately, on DOS this fails, as config.log is still kept open +# by configure, so config.status won't be able to write to it; its +# output is simply discarded. So we exec the FD to /dev/null, +# effectively closing config.log, so it can be properly (re)opened and +# appended to by config.status. When coming back to configure, we +# need to make the FD available again. +if test "$no_create" != yes; then + ac_cs_success=: + ac_config_status_args= + test "$silent" = yes && + ac_config_status_args="$ac_config_status_args --quiet" + exec 5>/dev/null + $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false + exec 5>>config.log + # Use ||, not &&, to avoid exiting from the if with $? = 1, which + # would make configure fail if this is the last instruction. + $ac_cs_success || as_fn_exit 1 +fi +if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5 +$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;} fi -exit 0 diff --git a/configure.ac b/configure.ac new file mode 100644 index 0000000..20c84f4 --- /dev/null +++ b/configure.ac @@ -0,0 +1,327 @@ +# -*- Autoconf -*- +# This file is part of ltrace. +# Copyright (C) 2010,2012 Petr Machata, Red Hat Inc. +# Copyright (C) 2010,2011 Joe Damato +# Copyright (C) 2010 Marc Kleine-Budde +# Copyright (C) 2010 Zachary T Welch +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA + +# Process this file with autoconf to produce a configure script. +AC_PREREQ(2.65) + +AC_INIT([ltrace],[0.7.2],[ltrace-devel@lists.alioth.debian.org]) +AC_CONFIG_HEADERS([config.h]) +AC_CONFIG_SRCDIR(libltrace.c) +AC_CONFIG_MACRO_DIR([config/m4]) +AC_CONFIG_AUX_DIR([config/autoconf]) +AC_CANONICAL_BUILD +AC_CANONICAL_HOST + +case "${host_os}" in + linux-gnu*) HOST_OS="linux-gnu" ;; + *) AC_MSG_ERROR([unkown host-os ${host_os}]) ;; +esac +AC_SUBST(HOST_OS) + +case "${host_cpu}" in + arm*|sa110) HOST_CPU="arm" ;; + cris*) HOST_CPU="cris" ;; + mips*el) HOST_CPU="mipsel" ;; + mips*) HOST_CPU="mips" ;; + powerpc|powerpc64) HOST_CPU="ppc" ;; + sun4u|sparc64) HOST_CPU="sparc" ;; + s390x) HOST_CPU="s390" ;; + i?86|x86_64) HOST_CPU="x86" ;; + *) HOST_CPU="${host_cpu}" ;; +esac +AC_SUBST(HOST_CPU) + +# Checks for programs. +AC_PROG_CC +LT_INIT +# libtool-2: LT_INIT() +AM_INIT_AUTOMAKE([foreign no-exeext dist-bzip2]) +AM_MAINTAINER_MODE + +AC_ARG_WITH([libelf], + AS_HELP_STRING([--with-libelf], [Prefix of libelf headers/library]), + [case "${withval}" in + (no) + AC_MSG_ERROR([*** libelf is a required dependency]) + ;; + (yes) + AC_MSG_ERROR([*** --with-libelf requires you to specify a path]) + ;; + (*) + AM_CPPFLAGS="${AM_CPPFLAGS} -I${withval}/include" + AM_LDFLAGS="${AM_LDFLAGS} -L${withval}/lib" + libelf_LD_LIBRARY_PATH="${withval}/lib" + ;; +esac],[]) + +# Checks for libraries. + +saved_CPPFLAGS="${CPPFLAGS}" +saved_LDFLAGS="${LDFLAGS}" +CPPFLAGS="${CPPFLAGS} ${AM_CPPFLAGS}" +LDFLAGS="${LDFLAGS} ${AM_LDFLAGS}" +# libelf +AC_CHECK_HEADERS([elf.h gelf.h],, + [AC_MSG_ERROR([*** libelf.h or gelf.h not found on your system])] +) +AC_CHECK_LIB([elf], [elf_begin],, + [AC_MSG_ERROR([*** libelf not found on your system])] +) +CPPFLAGS="${saved_CPPFLAGS}" +LDFLAGS="${saved_LDFLAGS}" + + +# HAVE_LIBIBERTY +AC_CHECK_LIB([iberty], [cplus_demangle], [ + AC_DEFINE([HAVE_LIBIBERTY], [1], [we have libiberty]) + liberty_LIBS="-liberty"], [ + liberty_LIBS=""]) +AC_SUBST(liberty_LIBS) + + +# HAVE_LIBSUPC__ +AC_CHECK_LIB([supc++], [__cxa_demangle], [ + AC_DEFINE([HAVE_LIBSUPC__], [1], [we have libsupc++]) + libsupcxx_LIBS="-lsupc++"], [ + libsupcxx_LIBS=""]) +AC_SUBST(libsupcxx_LIBS) + + +# HAVE_LIBSTDC__ +AC_CHECK_LIB([stdc++], [__cxa_demangle], [ + AC_DEFINE([HAVE_LIBSTDC__], [1], [we have libstdc++]) + libstdcxx_LIBS="-lstdc++"], [ + libstdcxx_LIBS=""]) +AC_SUBST(libstdcxx_LIBS) + + +dnl Check security_get_boolean_active availability. +AC_CHECK_HEADERS(selinux/selinux.h) +AC_CHECK_LIB(selinux, security_get_boolean_active) + + +# HAVE_LIBUNWIND +AC_ARG_WITH(libunwind, + AS_HELP_STRING([--with-libunwind], [Use libunwind frame unwinding support]), + [case "${withval}" in + (yes|no) enable_libunwind=$withval;; + (*) enable_libunwind=yes + AM_CPPFLAGS="${AM_CPPFLAGS} -I${withval}/include" + AM_LDFLAGS="${AM_LDFLAGS} -L${withval}/lib" + libunwind_LD_LIBRARY_PATH="${withval}/lib" + ;; +esac],[enable_libunwind=maybe]) + +saved_CPPFLAGS="${CPPFLAGS}" +CPPFLAGS="${CPPFLAGS} ${AM_CPPFLAGS}" +AC_CHECK_HEADERS([libunwind.h], [have_libunwind_h=yes]) +AC_CHECK_HEADERS([libunwind-ptrace.h], [have_libunwind_ptrace_h=yes]) +CPPFLAGS="${saved_CPPFLAGS}" + +AC_MSG_CHECKING([whether to use libunwind support]) +case "${enable_libunwind}" in +(yes|maybe) + if test x$have_libunwind_h = xyes -o x$have_libunwind_ptrace_h = xyes; then + enable_libunwind=yes + elif test $enable_libunwind = maybe; then + enable_libunwind=no + else + AC_MSG_RESULT([$enable_libunwind]) + AC_MSG_ERROR([libunwind.h or libunwind-ptrace.h cannot be found]) + fi + ;; +(*) ;; +esac +AC_MSG_RESULT([$enable_libunwind]) + +if test x"$enable_libunwind" = xyes; then + case "${host_cpu}" in + arm*|sa110) UNWIND_ARCH="arm" ;; + i?86) UNWIND_ARCH="x86" ;; + powerpc) UNWIND_ARCH="ppc32" ;; + powerpc64) UNWIND_ARCH="ppc64" ;; + mips*) UNWIND_ARCH="mips" ;; + *) UNWIND_ARCH="${host_cpu}" ;; + esac + + saved_LDFLAGS="${LDFLAGS}" + LDFLAGS="${LDFLAGS} ${AM_LDFLAGS}" + AC_CHECK_LIB([unwind], [backtrace], [libunwind_LIBS=-lunwind], + [AC_MSG_ERROR([Couldn't find or use libunwind.])]) + + AC_CHECK_LIB([unwind-${UNWIND_ARCH}], [_U${UNWIND_ARCH}_init_remote], + [libunwind_LIBS="-lunwind-${UNWIND_ARCH} $libunwind_LIBS"], + [AC_MSG_ERROR([Couldn't find or use libunwind-${UNWIND_ARCH}.])], + [$libunwind_LIBS]) + + AC_CHECK_LIB([unwind-ptrace], [_UPT_create], + [libunwind_LIBS="-lunwind-ptrace $libunwind_LIBS"], + [AC_MSG_ERROR([Couldn't find or use libunwind-ptrace.])], + [$libunwind_LIBS]) + + AC_SUBST(libunwind_LIBS) + AC_DEFINE([HAVE_LIBUNWIND], [1], [we have libunwind]) + LDFLAGS="${saved_LDFLAGS}" +fi + + +saved_CPPFLAGS="${CPPFLAGS}" +saved_LDFLAGS="${LDFLAGS}" +CPPFLAGS="${CPPFLAGS} ${AM_CPPFLAGS}" +LDFLAGS="${LDFLAGS} ${AM_LDFLAGS}" +# HAVE_ELF_C_READ_MMAP +AC_MSG_CHECKING([whether elf_begin accepts ELF_C_READ_MMAP]) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[ +int main () { + Elf *elf = elf_begin(4, ELF_C_READ_MMAP, 0); + return 0; +} + ]])],[ + AC_DEFINE([HAVE_ELF_C_READ_MMAP], [1], [we have read mmap support]) + AC_MSG_RESULT([yes])],[ + AC_MSG_RESULT([no])]) + +saved_CFLAGS="${CFLAGS}" +CFLAGS="${CFLAGS} -Wall -Werror" +AC_MSG_CHECKING([whether elf_hash takes a char* argument]) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[ + (void) elf_hash("name"); + ]])], + [AC_DEFINE([ELF_HASH_TAKES_CHARP], [1], + [elf_hash() takes char* (as opposed to unsigned char *)]) + AC_MSG_RESULT([yes])], + [AC_MSG_RESULT([no])]) +CFLAGS="${saved_CFLAGS}" +CPPFLAGS="${saved_CPPFLAGS}" +LDFLAGS="${saved_LDFLAGS}" + +AM_CPPFLAGS=" \ + ${AM_CPPFLAGS} \ + -I\$(top_srcdir)/sysdeps/${HOST_OS}/${HOST_CPU} \ + -I\$(top_srcdir)/sysdeps/${HOST_OS} \ + -I\$(top_srcdir)/sysdeps \ + -I\$(top_srcdir) \ +" + +# Checks for header files. +AC_CHECK_HEADERS([ \ + fcntl.h \ + limits.h \ + stddef.h \ + stdint.h \ + stdlib.h \ + string.h \ + sys/ioctl.h \ + sys/param.h \ + sys/time.h \ + unistd.h \ +]) + +# Checks for typedefs, structures, and compiler characteristics. +AC_TYPE_UID_T +AC_C_INLINE +AC_TYPE_PID_T +AC_TYPE_SIZE_T +AC_CHECK_SIZEOF([long]) + + +# Checks for library functions. +AC_FUNC_ERROR_AT_LINE +AC_FUNC_FORK +AC_CHECK_FUNCS([ \ + alarm \ + atexit \ + getcwd \ + gettimeofday \ + memset \ + mkdir \ + rmdir \ + strchr \ + strdup \ + strerror \ + strtol \ + strtoul \ +]) + + +# +# Debugging +# +AC_MSG_CHECKING([whether to enable debugging]) +AC_ARG_ENABLE(debug, + AS_HELP_STRING([--enable-debug], [enable debugging @<:@default=no@:>@]), + [case "$enableval" in + y | yes) CONFIG_DEBUG=yes ;; + *) CONFIG_DEBUG=no ;; + esac], + [CONFIG_DEBUG=no]) +AC_MSG_RESULT([${CONFIG_DEBUG}]) +if test "${CONFIG_DEBUG}" = "yes"; then + AC_DEFINE(DEBUG, 1, [debugging]) +fi + +# Ignore the compiler's warnings at your own risk. +AM_CFLAGS="${AM_CFLAGS} -Wall -Wsign-compare -Wfloat-equal -Wformat-security" +AC_ARG_ENABLE([werror], + AS_HELP_STRING([--disable-werror], [disable use of -Werror]), + [enable_werror=$enableval], [enable_werror=yes]) +if test x$enable_werror = xyes; then + AM_CFLAGS="${AM_CFLAGS} -Werror" +fi + +AC_ARG_ENABLE([valgrind], + AS_HELP_STRING([--enable-valgrind],[run all tests under valgrind]), + [use_valgrind=$enableval], [use_valgrind=no]) +if test x$use_valgrind = xyes; then + AC_CHECK_PROG(HAVE_VALGRIND, valgrind, yes, no) + if test x$HAVE_VALGRIND = xno; then + AC_MSG_ERROR([valgrind not found]) + fi +fi +AM_CONDITIONAL(USE_VALGRIND, test "$use_valgrind" = yes) + +AC_SUBST(AM_CPPFLAGS) +AC_SUBST(AM_CFLAGS) +AC_SUBST(AM_LDFLAGS) +AC_SUBST(libelf_LD_LIBRARY_PATH) +AC_SUBST(libunwind_LD_LIBRARY_PATH) + +AC_CONFIG_FILES([ + Makefile + sysdeps/Makefile + sysdeps/linux-gnu/Makefile + sysdeps/linux-gnu/alpha/Makefile + sysdeps/linux-gnu/arm/Makefile + sysdeps/linux-gnu/cris/Makefile + sysdeps/linux-gnu/ia64/Makefile + sysdeps/linux-gnu/m68k/Makefile + sysdeps/linux-gnu/mipsel/Makefile + sysdeps/linux-gnu/ppc/Makefile + sysdeps/linux-gnu/s390/Makefile + sysdeps/linux-gnu/sparc/Makefile + sysdeps/linux-gnu/x86/Makefile + testsuite/Makefile + testsuite/ltrace.main/Makefile + testsuite/ltrace.minor/Makefile + testsuite/ltrace.torture/Makefile +]) +AC_OUTPUT diff --git a/debian/changelog b/debian/changelog index f97cb8f..3547080 100644 --- a/debian/changelog +++ b/debian/changelog @@ -1,3 +1,18 @@ +ltrace (0.6-1) unstable; urgency=low + + * New upstream release + * Support for cris added + * Numerous bugfixes for MIPS, ARM, and PPC + * Support for libunwind and libdl + + -- Joe Damato Fri, 10 Dec 2010 00:41:20 -0800 + +ltrace (0.5.3-2) unstable; urgency=low + + * Fixed compilation problems in armel, ia64 and powerpc (closes: Bug#538441) + + -- Juan Cespedes Sun, 26 Jul 2009 13:24:44 +0200 + ltrace (0.5.3-1) unstable; urgency=low * New upstream release diff --git a/debian/control.in b/debian/control similarity index 81% rename from debian/control.in rename to debian/control index aff5316..75a177c 100644 --- a/debian/control.in +++ b/debian/control @@ -3,10 +3,10 @@ Section: utils Priority: optional Maintainer: Juan Cespedes Standards-Version: 3.8.2 -Build-Depends: @cdbs@, binutils-dev, libelfg0-dev +Build-Depends: cdbs, debhelper (>= 7), dh-autoreconf, binutils-dev, libelfg0-dev, libunwind7-dev [i386 amd64 ia64] Package: ltrace -Architecture: i386 arm armeb armel m68k s390 powerpc sparc alpha amd64 ia64 ppc64 +Architecture: i386 arm armeb armel s390 powerpc sparc alpha amd64 ia64 ppc64 Depends: ${shlibs:Depends}, ${misc:Depends} Description: Tracks runtime library calls in dynamically linked programs ltrace is a debugging program which runs a specified command until it diff --git a/debian/rules b/debian/rules index 4105eb7..5d9c499 100755 --- a/debian/rules +++ b/debian/rules @@ -2,6 +2,7 @@ include /usr/share/cdbs/1/rules/debhelper.mk include /usr/share/cdbs/1/class/autotools.mk +include /usr/share/cdbs/1/rules/autoreconf.mk install/ltrace:: rm -f debian/ltrace/usr/share/doc/ltrace/* diff --git a/debug.c b/debug.c index 1be873b..1b03189 100644 --- a/debug.c +++ b/debug.c @@ -1,3 +1,24 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2003,2008,2009 Juan Cespedes + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include #include @@ -16,6 +37,7 @@ debug_(int level, const char *file, int line, const char *fmt, ...) { va_end(args); output_line(NULL, "DEBUG: %s:%d: %s", file, line, buf); + fflush(options.output); } /* @@ -101,7 +123,7 @@ xinfdump(long pid, void *ptr, int len) { addr = ((addr + sizeof(long) - 1) / sizeof(long)) * sizeof(long); for (i = 0; i < wrdcnt; ++i) { - infwords[i] = ptrace(PTRACE_PEEKTEXT, pid, addr); + infwords[i] = ptrace(PTRACE_PEEKTEXT, pid, (void *)addr, NULL); addr += sizeof(long); } diff --git a/debug.h b/debug.h index 653da84..4775d2f 100644 --- a/debug.h +++ b/debug.h @@ -1,4 +1,25 @@ -#include +/* + * This file is part of ltrace. + * Copyright (C) 2003,2009 Juan Cespedes + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#ifndef _DEBUG_H +#define _DEBUG_H /* debug levels: */ @@ -15,3 +36,4 @@ int xinfdump(long, void *, int); # define debug(level, expr...) debug_(level, __FILE__, __LINE__, expr) +#endif diff --git a/defs.h b/defs.h index b694099..eb5bd71 100644 --- a/defs.h +++ b/defs.h @@ -1,12 +1,29 @@ +/* + * This file is part of ltrace. + * Copyright (C) 1998,2008 Juan Cespedes + * Copyright (C) 2006 Ian Wienand + * Copyright (C) 2006 Steve Fink + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ #ifndef DEFAULT_ALIGN #define DEFAULT_ALIGN 50 /* default alignment column for results */ #endif /* (-a switch) */ -#ifndef MAX_ARGS -#define MAX_ARGS 32 /* maximum number of args for a function */ -#endif - #ifndef DEFAULT_STRLEN #define DEFAULT_STRLEN 32 /* default maximum # of bytes printed in */ #endif /* strings (-s switch) */ @@ -14,5 +31,3 @@ #ifndef DEFAULT_ARRAYLEN #define DEFAULT_ARRAYLEN 4 /* default maximum # array elements */ #endif /* (-A switch) */ - -#define MAX_LIBRARIES 30 diff --git a/demangle.c b/demangle.c index 5825e28..5147367 100644 --- a/demangle.c +++ b/demangle.c @@ -1,3 +1,24 @@ +/* + * This file is part of ltrace. + * Copyright (C) 1998,1999,2003,2004,2008,2009 Juan Cespedes + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include "config.h" #include @@ -15,9 +36,8 @@ static Dict *d = NULL; const char * my_demangle(const char *function_name) { const char *tmp, *fn_copy; -#if !defined HAVE_LIBIBERTY && defined HAVE_LIBSUPC__ +#ifdef USE_CXA_DEMANGLE extern char *__cxa_demangle(const char *, char *, size_t *, int *); - int status = 0; #endif debug(DEBUG_FUNCTION, "my_demangle(name=%s)", function_name); @@ -30,7 +50,8 @@ my_demangle(const char *function_name) { fn_copy = strdup(function_name); #ifdef HAVE_LIBIBERTY tmp = cplus_demangle(function_name, DMGL_ANSI | DMGL_PARAMS); -#elif defined HAVE_LIBSUPC__ +#elif defined USE_CXA_DEMANGLE + int status = 0; tmp = __cxa_demangle(function_name, NULL, NULL, &status); #endif if (!tmp) diff --git a/demangle.h b/demangle.h index beac791..188f954 100644 --- a/demangle.h +++ b/demangle.h @@ -1,3 +1,23 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include "config.h" extern char *cplus_demangle(const char *mangled, int options); diff --git a/dict.c b/dict.c index 486a461..aad50fd 100644 --- a/dict.c +++ b/dict.c @@ -1,3 +1,25 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011,2012 Petr Machata + * Copyright (C) 2003,2004,2008,2009 Juan Cespedes + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include #include #include @@ -6,8 +28,8 @@ #include "common.h" /* - Dictionary based on code by Morten Eriksen . -*/ + * Dictionary based on code by Morten Eriksen . + */ struct dict_entry { unsigned int hash; @@ -24,13 +46,14 @@ struct dict_entry { struct dict { struct dict_entry *buckets[DICTTABLESIZE]; - unsigned int (*key2hash) (void *); - int (*key_cmp) (void *, void *); + unsigned int (*key2hash) (const void *); + int (*key_cmp) (const void *, const void *); }; Dict * -dict_init(unsigned int (*key2hash) (void *), - int (*key_cmp) (void *, void *)) { +dict_init(unsigned int (*key2hash) (const void *), + int (*key_cmp) (const void *, const void *)) +{ Dict *d; int i; @@ -103,7 +126,33 @@ dict_enter(Dict *d, void *key, void *value) { } void * -dict_find_entry(Dict *d, void *key) { +dict_remove(Dict *d, void *key) +{ + assert(d != NULL); + debug(DEBUG_FUNCTION, "dict_remove(%p)", key); + + unsigned int hash = d->key2hash(key); + unsigned int bucketpos = hash % DICTTABLESIZE; + + struct dict_entry **entryp; + for (entryp = &d->buckets[bucketpos]; (*entryp) != NULL; + entryp = &(*entryp)->next) { + struct dict_entry *entry = *entryp; + if (hash != entry->hash) + continue; + if (d->key_cmp(key, entry->key) == 0) { + *entryp = entry->next; + void *value = entry->value; + free(entry); + return value; + } + } + return NULL; +} + +void * +dict_find_entry(Dict *d, const void *key) +{ unsigned int hash; unsigned int bucketpos; struct dict_entry *entry; @@ -147,7 +196,8 @@ dict_apply_to_all(Dict *d, /*****************************************************************************/ unsigned int -dict_key2hash_string(void *key) { +dict_key2hash_string(const void *key) +{ const char *s = (const char *)key; unsigned int total = 0, shift = 0; @@ -163,24 +213,29 @@ dict_key2hash_string(void *key) { } int -dict_key_cmp_string(void *key1, void *key2) { +dict_key_cmp_string(const void *key1, const void *key2) +{ assert(key1); assert(key2); return strcmp((const char *)key1, (const char *)key2); } unsigned int -dict_key2hash_int(void *key) { +dict_key2hash_int(const void *key) +{ return (unsigned long)key; } int -dict_key_cmp_int(void *key1, void *key2) { +dict_key_cmp_int(const void *key1, const void *key2) +{ return key1 - key2; } Dict * -dict_clone(Dict *old, void * (*key_clone)(void*), void * (*value_clone)(void*)) { +dict_clone2(Dict * old, void * (*key_clone)(void *, void *), + void * (*value_clone)(void *, void *), void * data) +{ Dict *d; int i; @@ -199,17 +254,64 @@ dict_clone(Dict *old, void * (*key_clone)(void*), void * (*value_clone)(void*)) de_old = old->buckets[i]; de_new = &d->buckets[i]; while (de_old) { + void * nkey, * nval; *de_new = malloc(sizeof(struct dict_entry)); if (!*de_new) { perror("malloc()"); exit(1); } memcpy(*de_new, de_old, sizeof(struct dict_entry)); - (*de_new)->key = key_clone(de_old->key); - (*de_new)->value = value_clone(de_old->value); + + /* The error detection is rather weak :-/ */ + nkey = key_clone(de_old->key, data); + if (nkey == NULL && de_old->key != NULL) { + perror("key_clone"); + err: + /* XXX Will this actually work? We + * simply memcpy the old dictionary + * over up there. */ + dict_clear(d); + free(de_new); + return NULL; + } + + nval = value_clone(de_old->value, data); + if (nval == NULL && de_old->value != NULL) { + perror("value_clone"); + goto err; + } + + (*de_new)->key = nkey; + (*de_new)->value = nval; de_new = &(*de_new)->next; de_old = de_old->next; } } return d; } + +struct wrap_clone_cb +{ + void * (*key_clone)(void *); + void * (*value_clone)(void *); +}; + +static void * +value_clone_1(void * arg, void * data) +{ + return ((struct wrap_clone_cb *)data)->value_clone(arg); +} + +static void * +key_clone_1(void * arg, void * data) +{ + return ((struct wrap_clone_cb *)data)->key_clone(arg); +} + +Dict * +dict_clone(Dict * old, void * (*key_clone)(void *), + void * (*value_clone)(void *)) +{ + struct wrap_clone_cb cb = { key_clone, value_clone }; + return dict_clone2(old, &key_clone_1, &value_clone_1, &cb); +} diff --git a/dict.h b/dict.h index a70c3d5..fcc1acb 100644 --- a/dict.h +++ b/dict.h @@ -1,20 +1,55 @@ /* - Dictionary based on code by Morten Eriksen . -*/ + * This file is part of ltrace. + * Copyright (C) 2011,2012 Petr Machata + * Copyright (C) 2003,2004,2008,2009 Juan Cespedes + * Copyright (C) 2006 Ian Wienand + * Copyright (C) ???? Morten Eriksen + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#ifndef _DICT_H_ +#define _DICT_H_ + +/* + * Dictionary based on code by Morten Eriksen . + */ typedef struct dict Dict; -extern Dict *dict_init(unsigned int (*key2hash) (void *), - int (*key_cmp) (void *, void *)); +extern Dict *dict_init(unsigned int (*key2hash) (const void *), + int (*key_cmp) (const void *, const void *)); extern void dict_clear(Dict *d); extern int dict_enter(Dict *d, void *key, void *value); -extern void *dict_find_entry(Dict *d, void *key); +extern void *dict_remove(Dict *d, void *key); +extern void *dict_find_entry(Dict *d, const void *key); extern void dict_apply_to_all(Dict *d, void (*func) (void *key, void *value, void *data), void *data); -extern unsigned int dict_key2hash_string(void *key); -extern int dict_key_cmp_string(void *key1, void *key2); -extern unsigned int dict_key2hash_int(void *key); -extern int dict_key_cmp_int(void *key1, void *key2); +extern unsigned int dict_key2hash_string(const void *key); +extern int dict_key_cmp_string(const void *key1, const void *key2); + +extern unsigned int dict_key2hash_int(const void *key); +extern int dict_key_cmp_int(const void *key1, const void *key2); + extern Dict * dict_clone(Dict *old, void * (*key_clone)(void*), void * (*value_clone)(void*)); +extern Dict * dict_clone2(Dict * old, + void * (* key_clone)(void * key, void * data), + void * (* value_clone)(void * value, void * data), + void * data); + +#endif /* _DICT_H_ */ diff --git a/display_args.c b/display_args.c deleted file mode 100644 index 993a808..0000000 --- a/display_args.c +++ /dev/null @@ -1,460 +0,0 @@ -#include -#include -#include -#include -#include - -#include "common.h" - -static int display_char(int what); -static int display_string(enum tof type, Process *proc, - void* addr, size_t maxlen); -static int display_value(enum tof type, Process *proc, - long value, arg_type_info *info, - void *st, arg_type_info* st_info); -static int display_unknown(enum tof type, Process *proc, long value); -static int display_format(enum tof type, Process *proc, int arg_num); - -static int string_maxlength = INT_MAX; -static int array_maxlength = INT_MAX; - -static long -get_length(enum tof type, Process *proc, int len_spec, - void *st, arg_type_info* st_info) { - long len; - arg_type_info info; - - if (len_spec > 0) - return len_spec; - if (type == LT_TOF_STRUCT) { - umovelong (proc, st + st_info->u.struct_info.offset[-len_spec-1], - &len, st_info->u.struct_info.fields[-len_spec-1]); - return len; - } - - info.type = ARGTYPE_INT; - return gimme_arg(type, proc, -len_spec-1, &info); -} - -static int -display_ptrto(enum tof type, Process *proc, long item, - arg_type_info * info, - void *st, arg_type_info* st_info) { - arg_type_info temp; - temp.type = ARGTYPE_POINTER; - temp.u.ptr_info.info = info; - return display_value(type, proc, item, &temp, st, st_info); -} - -/* - * addr - A pointer to the first element of the array - * - * The function name is used to indicate that we're not actually - * looking at an 'array', which is a contiguous region of memory - * containing a sequence of elements of some type; instead, we have a - * pointer to that region of memory. - */ -static int -display_arrayptr(enum tof type, Process *proc, - void *addr, arg_type_info * info, - void *st, arg_type_info* st_info) { - int len = 0; - int i; - int array_len; - - if (addr == NULL) - return fprintf(options.output, "NULL"); - - array_len = get_length(type, proc, info->u.array_info.len_spec, - st, st_info); - len += fprintf(options.output, "[ "); - for (i = 0; i < options.arraylen && i < array_maxlength && i < array_len; i++) { - arg_type_info *elt_type = info->u.array_info.elt_type; - size_t elt_size = info->u.array_info.elt_size; - if (i != 0) - len += fprintf(options.output, ", "); - if (options.debug) - len += fprintf(options.output, "%p=", addr); - len += - display_ptrto(type, proc, (long) addr, elt_type, st, st_info); - addr += elt_size; - } - if (i < array_len) - len += fprintf(options.output, "..."); - len += fprintf(options.output, " ]"); - return len; -} - -/* addr - A pointer to the beginning of the memory region occupied by - * the struct (aka a pointer to the struct) - */ -static int -display_structptr(enum tof type, Process *proc, - void *addr, arg_type_info * info) { - int i; - arg_type_info *field; - int len = 0; - - if (addr == NULL) - return fprintf(options.output, "NULL"); - - len += fprintf(options.output, "{ "); - for (i = 0; (field = info->u.struct_info.fields[i]) != NULL; i++) { - if (i != 0) - len += fprintf(options.output, ", "); - if (options.debug) - len += - fprintf(options.output, "%p=", - addr + info->u.struct_info.offset[i]); - len += - display_ptrto(LT_TOF_STRUCT, proc, - (long) addr + info->u.struct_info.offset[i], - field, addr, info); - } - len += fprintf(options.output, " }"); - - return len; -} - -static int -display_pointer(enum tof type, Process *proc, long value, - arg_type_info * info, - void *st, arg_type_info* st_info) { - long pointed_to; - arg_type_info *inner = info->u.ptr_info.info; - - if (inner->type == ARGTYPE_ARRAY) { - return display_arrayptr(type, proc, (void*) value, inner, - st, st_info); - } else if (inner->type == ARGTYPE_STRUCT) { - return display_structptr(type, proc, (void *) value, inner); - } else { - if (value == 0) - return fprintf(options.output, "NULL"); - else if (umovelong (proc, (void *) value, &pointed_to, - info->u.ptr_info.info) < 0) - return fprintf(options.output, "?"); - else - return display_value(type, proc, pointed_to, inner, - st, st_info); - } -} - -static int -display_enum(enum tof type, Process *proc, - arg_type_info* info, long value) { - int ii; - for (ii = 0; ii < info->u.enum_info.entries; ++ii) { - if (info->u.enum_info.values[ii] == value) - return fprintf(options.output, "%s", info->u.enum_info.keys[ii]); - } - - return display_unknown(type, proc, value); -} - -/* Args: - type - syscall or shared library function or memory - proc - information about the traced process - value - the value to display - info - the description of the type to display - st - if the current value is a struct member, the address of the struct - st_info - type of the above struct - - Those last two parameters are used for structs containing arrays or - strings whose length is given by another structure element. -*/ -int -display_value(enum tof type, Process *proc, - long value, arg_type_info *info, - void *st, arg_type_info* st_info) { - int tmp; - - switch (info->type) { - case ARGTYPE_VOID: - return 0; - case ARGTYPE_INT: - return fprintf(options.output, "%d", (int) value); - case ARGTYPE_UINT: - return fprintf(options.output, "%u", (unsigned) value); - case ARGTYPE_LONG: - if (proc->mask_32bit) - return fprintf(options.output, "%d", (int) value); - else - return fprintf(options.output, "%ld", value); - case ARGTYPE_ULONG: - if (proc->mask_32bit) - return fprintf(options.output, "%u", (unsigned) value); - else - return fprintf(options.output, "%lu", (unsigned long) value); - case ARGTYPE_OCTAL: - return fprintf(options.output, "0%o", (unsigned) value); - case ARGTYPE_CHAR: - tmp = fprintf(options.output, "'"); - tmp += display_char(value == -1 ? value : (char) value); - tmp += fprintf(options.output, "'"); - return tmp; - case ARGTYPE_SHORT: - return fprintf(options.output, "%hd", (short) value); - case ARGTYPE_USHORT: - return fprintf(options.output, "%hu", (unsigned short) value); - case ARGTYPE_FLOAT: { - union { long l; float f; double d; } cvt; - cvt.l = value; - return fprintf(options.output, "%f", cvt.f); - } - case ARGTYPE_DOUBLE: { - union { long l; float f; double d; } cvt; - cvt.l = value; - return fprintf(options.output, "%lf", cvt.d); - } - case ARGTYPE_ADDR: - if (!value) - return fprintf(options.output, "NULL"); - else - return fprintf(options.output, "0x%08lx", value); - case ARGTYPE_FORMAT: - fprintf(stderr, "Should never encounter a format anywhere but at the top level (for now?)\n"); - exit(1); - case ARGTYPE_STRING: - return display_string(type, proc, (void*) value, - string_maxlength); - case ARGTYPE_STRING_N: - return display_string(type, proc, (void*) value, - get_length(type, proc, - info->u.string_n_info.size_spec, st, st_info)); - case ARGTYPE_ARRAY: - return fprintf(options.output, ""); - case ARGTYPE_ENUM: - return display_enum(type, proc, info, value); - case ARGTYPE_STRUCT: - return fprintf(options.output, ""); - case ARGTYPE_POINTER: - return display_pointer(type, proc, value, info, - st, st_info); - case ARGTYPE_UNKNOWN: - default: - return display_unknown(type, proc, value); - } -} - -int -display_arg(enum tof type, Process *proc, int arg_num, arg_type_info * info) { - long arg; - - if (info->type == ARGTYPE_VOID) { - return 0; - } else if (info->type == ARGTYPE_FORMAT) { - return display_format(type, proc, arg_num); - } else { - arg = gimme_arg(type, proc, arg_num, info); - return display_value(type, proc, arg, info, NULL, NULL); - } -} - -static int -display_char(int what) { - switch (what) { - case -1: - return fprintf(options.output, "EOF"); - case '\r': - return fprintf(options.output, "\\r"); - case '\n': - return fprintf(options.output, "\\n"); - case '\t': - return fprintf(options.output, "\\t"); - case '\b': - return fprintf(options.output, "\\b"); - case '\\': - return fprintf(options.output, "\\\\"); - default: - if (isprint(what)) { - return fprintf(options.output, "%c", what); - } else { - return fprintf(options.output, "\\%03o", (unsigned char)what); - } - } -} - -#define MIN(a,b) (((a)<(b)) ? (a) : (b)) - -static int -display_string(enum tof type, Process *proc, void *addr, - size_t maxlength) { - unsigned char *str1; - int i; - int len = 0; - - if (!addr) { - return fprintf(options.output, "NULL"); - } - - str1 = malloc(MIN(options.strlen, maxlength) + 3); - if (!str1) { - return fprintf(options.output, "???"); - } - umovestr(proc, addr, MIN(options.strlen, maxlength) + 1, str1); - len = fprintf(options.output, "\""); - for (i = 0; i < MIN(options.strlen, maxlength); i++) { - if (str1[i]) { - len += display_char(str1[i]); - } else { - break; - } - } - len += fprintf(options.output, "\""); - if (str1[i] && (options.strlen <= maxlength)) { - len += fprintf(options.output, "..."); - } - free(str1); - return len; -} - -static int -display_unknown(enum tof type, Process *proc, long value) { - if (proc->mask_32bit) { - if ((int)value < 1000000 && (int)value > -1000000) - return fprintf(options.output, "%d", (int)value); - else - return fprintf(options.output, "%p", (void *)value); - } else if (value < 1000000 && value > -1000000) { - return fprintf(options.output, "%ld", value); - } else { - return fprintf(options.output, "%p", (void *)value); - } -} - -static int -display_format(enum tof type, Process *proc, int arg_num) { - void *addr; - unsigned char *str1; - int i; - int len = 0; - arg_type_info info; - - info.type = ARGTYPE_POINTER; - addr = (void *)gimme_arg(type, proc, arg_num, &info); - if (!addr) { - return fprintf(options.output, "NULL"); - } - - str1 = malloc(MIN(options.strlen, string_maxlength) + 3); - if (!str1) { - return fprintf(options.output, "???"); - } - umovestr(proc, addr, MIN(options.strlen, string_maxlength) + 1, str1); - len = fprintf(options.output, "\""); - for (i = 0; len < MIN(options.strlen, string_maxlength) + 1; i++) { - if (str1[i]) { - len += display_char(str1[i]); - } else { - break; - } - } - len += fprintf(options.output, "\""); - if (str1[i] && (options.strlen <= string_maxlength)) { - len += fprintf(options.output, "..."); - } - for (i = 0; str1[i]; i++) { - if (str1[i] == '%') { - int is_long = 0; - while (1) { - unsigned char c = str1[++i]; - if (c == '%') { - break; - } else if (!c) { - break; - } else if (strchr("lzZtj", c)) { - is_long++; - if (c == 'j') - is_long++; - if (is_long > 1 - && (sizeof(long) < sizeof(long long) - || proc->mask_32bit)) { - len += fprintf(options.output, ", ..."); - str1[i + 1] = '\0'; - break; - } - } else if (c == 'd' || c == 'i') { - info.type = ARGTYPE_LONG; - if (!is_long || proc->mask_32bit) - len += - fprintf(options.output, ", %d", - (int)gimme_arg(type, proc, ++arg_num, &info)); - else - len += - fprintf(options.output, ", %ld", - gimme_arg(type, proc, ++arg_num, &info)); - break; - } else if (c == 'u') { - info.type = ARGTYPE_LONG; - if (!is_long || proc->mask_32bit) - len += - fprintf(options.output, ", %u", - (int)gimme_arg(type, proc, ++arg_num, &info)); - else - len += - fprintf(options.output, ", %lu", - gimme_arg(type, proc, ++arg_num, &info)); - break; - } else if (c == 'o') { - info.type = ARGTYPE_LONG; - if (!is_long || proc->mask_32bit) - len += - fprintf(options.output, ", 0%o", - (int)gimme_arg(type, proc, ++arg_num, &info)); - else - len += - fprintf(options.output, ", 0%lo", - gimme_arg(type, proc, ++arg_num, &info)); - break; - } else if (c == 'x' || c == 'X') { - info.type = ARGTYPE_LONG; - if (!is_long || proc->mask_32bit) - len += - fprintf(options.output, ", %#x", - (int)gimme_arg(type, proc, ++arg_num, &info)); - else - len += - fprintf(options.output, ", %#lx", - gimme_arg(type, proc, ++arg_num, &info)); - break; - } else if (strchr("eEfFgGaACS", c) - || (is_long - && (c == 'c' || c == 's'))) { - len += fprintf(options.output, ", ..."); - str1[i + 1] = '\0'; - break; - } else if (c == 'c') { - info.type = ARGTYPE_LONG; - len += fprintf(options.output, ", '"); - len += - display_char((int) - gimme_arg(type, proc, ++arg_num, &info)); - len += fprintf(options.output, "'"); - break; - } else if (c == 's') { - info.type = ARGTYPE_POINTER; - len += fprintf(options.output, ", "); - len += - display_string(type, proc, - (void *)gimme_arg(type, proc, ++arg_num, &info), - string_maxlength); - break; - } else if (c == 'p' || c == 'n') { - info.type = ARGTYPE_POINTER; - len += - fprintf(options.output, ", %p", - (void *)gimme_arg(type, proc, ++arg_num, &info)); - break; - } else if (c == '*') { - info.type = ARGTYPE_LONG; - len += - fprintf(options.output, ", %d", - (int)gimme_arg(type, proc, ++arg_num, &info)); - } - } - } - } - free(str1); - return len; -} diff --git a/elf.c b/elf.c deleted file mode 100644 index aeff211..0000000 --- a/elf.c +++ /dev/null @@ -1,619 +0,0 @@ -# include "config.h" - -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "common.h" - -static void do_init_elf(struct ltelf *lte, const char *filename); -static void do_close_elf(struct ltelf *lte); -static void add_library_symbol(GElf_Addr addr, const char *name, - struct library_symbol **library_symbolspp, - enum toplt type_of_plt, int is_weak); -static int in_load_libraries(const char *name, struct ltelf *lte); -static GElf_Addr opd2addr(struct ltelf *ltc, GElf_Addr addr); - -#ifdef PLT_REINITALISATION_BP -extern char *PLTs_initialized_by_here; -#endif - -static void -do_init_elf(struct ltelf *lte, const char *filename) { - int i; - GElf_Addr relplt_addr = 0; - size_t relplt_size = 0; - - debug(DEBUG_FUNCTION, "do_init_elf(filename=%s)", filename); - debug(1, "Reading ELF from %s...", filename); - - memset(lte, 0, sizeof(*lte)); - lte->fd = open(filename, O_RDONLY); - if (lte->fd == -1) - error(EXIT_FAILURE, errno, "Can't open \"%s\"", filename); - -#ifdef HAVE_ELF_C_READ_MMAP - lte->elf = elf_begin(lte->fd, ELF_C_READ_MMAP, NULL); -#else - lte->elf = elf_begin(lte->fd, ELF_C_READ, NULL); -#endif - - if (lte->elf == NULL || elf_kind(lte->elf) != ELF_K_ELF) - error(EXIT_FAILURE, 0, "Can't open ELF file \"%s\"", filename); - - if (gelf_getehdr(lte->elf, <e->ehdr) == NULL) - error(EXIT_FAILURE, 0, "Can't read ELF header of \"%s\"", - filename); - - if (lte->ehdr.e_type != ET_EXEC && lte->ehdr.e_type != ET_DYN) - error(EXIT_FAILURE, 0, - "\"%s\" is not an ELF executable nor shared library", - filename); - - if ((lte->ehdr.e_ident[EI_CLASS] != LT_ELFCLASS - || lte->ehdr.e_machine != LT_ELF_MACHINE) -#ifdef LT_ELF_MACHINE2 - && (lte->ehdr.e_ident[EI_CLASS] != LT_ELFCLASS2 - || lte->ehdr.e_machine != LT_ELF_MACHINE2) -#endif -#ifdef LT_ELF_MACHINE3 - && (lte->ehdr.e_ident[EI_CLASS] != LT_ELFCLASS3 - || lte->ehdr.e_machine != LT_ELF_MACHINE3) -#endif - ) - error(EXIT_FAILURE, 0, - "\"%s\" is ELF from incompatible architecture", filename); - - for (i = 1; i < lte->ehdr.e_shnum; ++i) { - Elf_Scn *scn; - GElf_Shdr shdr; - const char *name; - - scn = elf_getscn(lte->elf, i); - if (scn == NULL || gelf_getshdr(scn, &shdr) == NULL) - error(EXIT_FAILURE, 0, - "Couldn't get section header from \"%s\"", - filename); - - name = elf_strptr(lte->elf, lte->ehdr.e_shstrndx, shdr.sh_name); - if (name == NULL) - error(EXIT_FAILURE, 0, - "Couldn't get section header from \"%s\"", - filename); - - if (shdr.sh_type == SHT_SYMTAB) { - Elf_Data *data; - - lte->symtab = elf_getdata(scn, NULL); - lte->symtab_count = shdr.sh_size / shdr.sh_entsize; - if ((lte->symtab == NULL - || elf_getdata(scn, lte->symtab) != NULL) - && opt_x != NULL) - error(EXIT_FAILURE, 0, - "Couldn't get .symtab data from \"%s\"", - filename); - - scn = elf_getscn(lte->elf, shdr.sh_link); - if (scn == NULL || gelf_getshdr(scn, &shdr) == NULL) - error(EXIT_FAILURE, 0, - "Couldn't get section header from \"%s\"", - filename); - - data = elf_getdata(scn, NULL); - if (data == NULL || elf_getdata(scn, data) != NULL - || shdr.sh_size != data->d_size || data->d_off) - error(EXIT_FAILURE, 0, - "Couldn't get .strtab data from \"%s\"", - filename); - - lte->strtab = data->d_buf; - } else if (shdr.sh_type == SHT_DYNSYM) { - Elf_Data *data; - - lte->dynsym = elf_getdata(scn, NULL); - lte->dynsym_count = shdr.sh_size / shdr.sh_entsize; - if (lte->dynsym == NULL - || elf_getdata(scn, lte->dynsym) != NULL) - error(EXIT_FAILURE, 0, - "Couldn't get .dynsym data from \"%s\"", - filename); - - scn = elf_getscn(lte->elf, shdr.sh_link); - if (scn == NULL || gelf_getshdr(scn, &shdr) == NULL) - error(EXIT_FAILURE, 0, - "Couldn't get section header from \"%s\"", - filename); - - data = elf_getdata(scn, NULL); - if (data == NULL || elf_getdata(scn, data) != NULL - || shdr.sh_size != data->d_size || data->d_off) - error(EXIT_FAILURE, 0, - "Couldn't get .dynstr data from \"%s\"", - filename); - - lte->dynstr = data->d_buf; - } else if (shdr.sh_type == SHT_DYNAMIC) { - Elf_Data *data; - size_t j; - - data = elf_getdata(scn, NULL); - if (data == NULL || elf_getdata(scn, data) != NULL) - error(EXIT_FAILURE, 0, - "Couldn't get .dynamic data from \"%s\"", - filename); - - for (j = 0; j < shdr.sh_size / shdr.sh_entsize; ++j) { - GElf_Dyn dyn; - - if (gelf_getdyn(data, j, &dyn) == NULL) - error(EXIT_FAILURE, 0, - "Couldn't get .dynamic data from \"%s\"", - filename); -#ifdef __mips__ -/** - MIPS ABI Supplement: - - DT_PLTGOT This member holds the address of the .got section. - - DT_MIPS_SYMTABNO This member holds the number of entries in the - .dynsym section. - - DT_MIPS_LOCAL_GOTNO This member holds the number of local global - offset table entries. - - DT_MIPS_GOTSYM This member holds the index of the first dyamic - symbol table entry that corresponds to an entry in the gobal offset - table. - - */ - if(dyn.d_tag==DT_PLTGOT){ - lte->pltgot_addr=dyn.d_un.d_ptr; - } - if(dyn.d_tag==DT_MIPS_LOCAL_GOTNO){ - lte->mips_local_gotno=dyn.d_un.d_val; - } - if(dyn.d_tag==DT_MIPS_GOTSYM){ - lte->mips_gotsym=dyn.d_un.d_val; - } -#endif // __mips__ - if (dyn.d_tag == DT_JMPREL) - relplt_addr = dyn.d_un.d_ptr; - else if (dyn.d_tag == DT_PLTRELSZ) - relplt_size = dyn.d_un.d_val; - } - } else if (shdr.sh_type == SHT_HASH) { - Elf_Data *data; - size_t j; - - lte->hash_type = SHT_HASH; - - data = elf_getdata(scn, NULL); - if (data == NULL || elf_getdata(scn, data) != NULL - || data->d_off || data->d_size != shdr.sh_size) - error(EXIT_FAILURE, 0, - "Couldn't get .hash data from \"%s\"", - filename); - - if (shdr.sh_entsize == 4) { - /* Standard conforming ELF. */ - if (data->d_type != ELF_T_WORD) - error(EXIT_FAILURE, 0, - "Couldn't get .hash data from \"%s\"", - filename); - lte->hash = (Elf32_Word *) data->d_buf; - } else if (shdr.sh_entsize == 8) { - /* Alpha or s390x. */ - Elf32_Word *dst, *src; - size_t hash_count = data->d_size / 8; - - lte->hash = (Elf32_Word *) - malloc(hash_count * sizeof(Elf32_Word)); - if (lte->hash == NULL) - error(EXIT_FAILURE, 0, - "Couldn't convert .hash section from \"%s\"", - filename); - lte->lte_flags |= LTE_HASH_MALLOCED; - dst = lte->hash; - src = (Elf32_Word *) data->d_buf; - if ((data->d_type == ELF_T_WORD - && __BYTE_ORDER == __BIG_ENDIAN) - || (data->d_type == ELF_T_XWORD - && lte->ehdr.e_ident[EI_DATA] == - ELFDATA2MSB)) - ++src; - for (j = 0; j < hash_count; ++j, src += 2) - *dst++ = *src; - } else - error(EXIT_FAILURE, 0, - "Unknown .hash sh_entsize in \"%s\"", - filename); - } else if (shdr.sh_type == SHT_GNU_HASH - && lte->hash == NULL) { - Elf_Data *data; - - lte->hash_type = SHT_GNU_HASH; - - if (shdr.sh_entsize != 0 - && shdr.sh_entsize != 4) { - error(EXIT_FAILURE, 0, - ".gnu.hash sh_entsize in \"%s\" should be 4, but is %llu", - filename, shdr.sh_entsize); - } - - data = elf_getdata(scn, NULL); - if (data == NULL || elf_getdata(scn, data) != NULL - || data->d_off || data->d_size != shdr.sh_size) - error(EXIT_FAILURE, 0, - "Couldn't get .gnu.hash data from \"%s\"", - filename); - - lte->hash = (Elf32_Word *) data->d_buf; - } else if (shdr.sh_type == SHT_PROGBITS - || shdr.sh_type == SHT_NOBITS) { - if (strcmp(name, ".plt") == 0) { - lte->plt_addr = shdr.sh_addr; - lte->plt_size = shdr.sh_size; - if (shdr.sh_flags & SHF_EXECINSTR) { - lte->lte_flags |= LTE_PLT_EXECUTABLE; - } - } -#ifdef ARCH_SUPPORTS_OPD - else if (strcmp(name, ".opd") == 0) { - lte->opd_addr = (GElf_Addr *) (long) shdr.sh_addr; - lte->opd_size = shdr.sh_size; - lte->opd = elf_rawdata(scn, NULL); - } -#endif - } - } - - if (lte->dynsym == NULL || lte->dynstr == NULL) - error(EXIT_FAILURE, 0, - "Couldn't find .dynsym or .dynstr in \"%s\"", filename); - - if (!relplt_addr || !lte->plt_addr) { - debug(1, "%s has no PLT relocations", filename); - lte->relplt = NULL; - lte->relplt_count = 0; - } else { - for (i = 1; i < lte->ehdr.e_shnum; ++i) { - Elf_Scn *scn; - GElf_Shdr shdr; - - scn = elf_getscn(lte->elf, i); - if (scn == NULL || gelf_getshdr(scn, &shdr) == NULL) - error(EXIT_FAILURE, 0, - "Couldn't get section header from \"%s\"", - filename); - if (shdr.sh_addr == relplt_addr - && shdr.sh_size == relplt_size) { - lte->relplt = elf_getdata(scn, NULL); - lte->relplt_count = - shdr.sh_size / shdr.sh_entsize; - if (lte->relplt == NULL - || elf_getdata(scn, lte->relplt) != NULL) - error(EXIT_FAILURE, 0, - "Couldn't get .rel*.plt data from \"%s\"", - filename); - break; - } - } - - if (i == lte->ehdr.e_shnum) - error(EXIT_FAILURE, 0, - "Couldn't find .rel*.plt section in \"%s\"", - filename); - - debug(1, "%s %zd PLT relocations", filename, lte->relplt_count); - } -} - -static void -do_close_elf(struct ltelf *lte) { - debug(DEBUG_FUNCTION, "do_close_elf()"); - if (lte->lte_flags & LTE_HASH_MALLOCED) - free((char *)lte->hash); - elf_end(lte->elf); - close(lte->fd); -} - -static void -add_library_symbol(GElf_Addr addr, const char *name, - struct library_symbol **library_symbolspp, - enum toplt type_of_plt, int is_weak) { - struct library_symbol *s; - - debug(DEBUG_FUNCTION, "add_library_symbol()"); - - s = malloc(sizeof(struct library_symbol) + strlen(name) + 1); - if (s == NULL) - error(EXIT_FAILURE, errno, "add_library_symbol failed"); - - s->needs_init = 1; - s->is_weak = is_weak; - s->plt_type = type_of_plt; - s->next = *library_symbolspp; - s->enter_addr = (void *)(uintptr_t) addr; - s->name = (char *)(s + 1); - strcpy(s->name, name); - *library_symbolspp = s; - - debug(2, "addr: %p, symbol: \"%s\"", (void *)(uintptr_t) addr, name); -} - -/* stolen from elfutils-0.123 */ -static unsigned long -private_elf_gnu_hash(const char *name) { - unsigned long h = 5381; - const unsigned char *string = (const unsigned char *)name; - unsigned char c; - for (c = *string; c; c = *++string) - h = h * 33 + c; - return h & 0xffffffff; -} - -static int -in_load_libraries(const char *name, struct ltelf *lte) { - size_t i; - unsigned long hash; - unsigned long gnu_hash; - - if (!library_num) - return 1; - - hash = elf_hash((const unsigned char *)name); - gnu_hash = private_elf_gnu_hash(name); - for (i = 1; i <= library_num; ++i) { - if (lte[i].hash == NULL) - continue; - - if (lte[i].hash_type == SHT_GNU_HASH) { - Elf32_Word * hashbase = lte[i].hash; - Elf32_Word nbuckets = *hashbase++; - Elf32_Word symbias = *hashbase++; - Elf32_Word bitmask_nwords = *hashbase++; - Elf32_Word * buckets; - Elf32_Word * chain_zero; - Elf32_Word bucket; - - // +1 for skipped `shift' - hashbase += lte[i].ehdr.e_ident[EI_CLASS] * bitmask_nwords + 1; - buckets = hashbase; - hashbase += nbuckets; - chain_zero = hashbase - symbias; - bucket = buckets[gnu_hash % nbuckets]; - - if (bucket != 0) { - const Elf32_Word *hasharr = &chain_zero[bucket]; - do - if ((*hasharr & ~1u) == (gnu_hash & ~1u)) { - int symidx = hasharr - chain_zero; - GElf_Sym sym; - - if (gelf_getsym(lte[i].dynsym, symidx, &sym) == NULL) - error(EXIT_FAILURE, 0, - "Couldn't get symbol from .dynsym"); - - if (sym.st_value != 0 - && sym.st_shndx != SHN_UNDEF - && strcmp(name, lte[i].dynstr + sym.st_name) == 0) - return 1; - } - while ((*hasharr++ & 1u) == 0); - } - } else { - Elf32_Word nbuckets, symndx; - Elf32_Word *buckets, *chain; - nbuckets = lte[i].hash[0]; - buckets = <e[i].hash[2]; - chain = <e[i].hash[2 + nbuckets]; - - for (symndx = buckets[hash % nbuckets]; - symndx != STN_UNDEF; symndx = chain[symndx]) { - GElf_Sym sym; - - if (gelf_getsym(lte[i].dynsym, symndx, &sym) == NULL) - error(EXIT_FAILURE, 0, - "Couldn't get symbol from .dynsym"); - - if (sym.st_value != 0 - && sym.st_shndx != SHN_UNDEF - && strcmp(name, lte[i].dynstr + sym.st_name) == 0) - return 1; - } - } - } - return 0; -} - -static GElf_Addr -opd2addr(struct ltelf *lte, GElf_Addr addr) { -#ifdef ARCH_SUPPORTS_OPD - unsigned long base, offset; - - if (!lte->opd) - return addr; - - base = (unsigned long)lte->opd->d_buf; - offset = (unsigned long)addr - (unsigned long)lte->opd_addr; - if (offset > lte->opd_size) - error(EXIT_FAILURE, 0, "static plt not in .opd"); - - return *(GElf_Addr*)(base + offset); -#else //!ARCH_SUPPORTS_OPD - return addr; -#endif -} - -struct library_symbol * -read_elf(Process *proc) { - struct library_symbol *library_symbols = NULL; - struct ltelf lte[MAX_LIBRARIES + 1]; - size_t i; - struct opt_x_t *xptr; - struct library_symbol **lib_tail = NULL; - int exit_out = 0; - - debug(DEBUG_FUNCTION, "read_elf(file=%s)", proc->filename); - - elf_version(EV_CURRENT); - - do_init_elf(lte, proc->filename); - proc->e_machine = lte->ehdr.e_machine; - for (i = 0; i < library_num; ++i) - do_init_elf(<e[i + 1], library[i]); -#ifdef __mips__ - // MIPS doesn't use the PLT and the GOT entries get changed - // on startup. - proc->need_to_reinitialize_breakpoints = 1; - for(i=lte->mips_gotsym; idynsym_count;i++){ - GElf_Sym sym; - const char *name; - GElf_Addr addr = arch_plt_sym_val(lte, i, 0); - if (gelf_getsym(lte->dynsym, i, &sym) == NULL){ - error(EXIT_FAILURE, 0, - "Couldn't get relocation from \"%s\"", - proc->filename); - } - name=lte->dynstr+sym.st_name; - if(ELF64_ST_TYPE(sym.st_info) != STT_FUNC){ - debug(2,"sym %s not a function",name); - continue; - } - add_library_symbol(addr, name, &library_symbols, 0, - ELF64_ST_BIND(sym.st_info) != 0); - if (!lib_tail) - lib_tail = &(library_symbols->next); - } -#else - for (i = 0; i < lte->relplt_count; ++i) { - GElf_Rel rel; - GElf_Rela rela; - GElf_Sym sym; - GElf_Addr addr; - void *ret; - const char *name; - - if (lte->relplt->d_type == ELF_T_REL) { - ret = gelf_getrel(lte->relplt, i, &rel); - rela.r_offset = rel.r_offset; - rela.r_info = rel.r_info; - rela.r_addend = 0; - } else - ret = gelf_getrela(lte->relplt, i, &rela); - - if (ret == NULL - || ELF64_R_SYM(rela.r_info) >= lte->dynsym_count - || gelf_getsym(lte->dynsym, ELF64_R_SYM(rela.r_info), - &sym) == NULL) - error(EXIT_FAILURE, 0, - "Couldn't get relocation from \"%s\"", - proc->filename); - -#ifdef PLT_REINITALISATION_BP - if (!sym.st_value && PLTs_initialized_by_here) - proc->need_to_reinitialize_breakpoints = 1; -#endif - - name = lte->dynstr + sym.st_name; - if (in_load_libraries(name, lte)) { - addr = arch_plt_sym_val(lte, i, &rela); - add_library_symbol(addr, name, &library_symbols, - (PLTS_ARE_EXECUTABLE(lte) - ? LS_TOPLT_EXEC : LS_TOPLT_POINT), - ELF64_ST_BIND(sym.st_info) == STB_WEAK); - if (!lib_tail) - lib_tail = &(library_symbols->next); - } - } -#endif // !__mips__ -#ifdef PLT_REINITALISATION_BP - struct opt_x_t *main_cheat; - - if (proc->need_to_reinitialize_breakpoints) { - /* Add "PLTs_initialized_by_here" to opt_x list, if not - already there. */ - main_cheat = (struct opt_x_t *)malloc(sizeof(struct opt_x_t)); - if (main_cheat == NULL) - error(EXIT_FAILURE, 0, "Couldn't allocate memory"); - main_cheat->next = opt_x; - main_cheat->found = 0; - main_cheat->name = PLTs_initialized_by_here; - - for (xptr = opt_x; xptr; xptr = xptr->next) - if (strcmp(xptr->name, PLTs_initialized_by_here) == 0 - && main_cheat) { - free(main_cheat); - main_cheat = NULL; - break; - } - if (main_cheat) - opt_x = main_cheat; - } -#endif - - for (i = 0; i < lte->symtab_count; ++i) { - GElf_Sym sym; - GElf_Addr addr; - const char *name; - - if (gelf_getsym(lte->symtab, i, &sym) == NULL) - error(EXIT_FAILURE, 0, - "Couldn't get symbol from \"%s\"", - proc->filename); - - name = lte->strtab + sym.st_name; - addr = sym.st_value; - if (!addr) - continue; - - for (xptr = opt_x; xptr; xptr = xptr->next) - if (xptr->name && strcmp(xptr->name, name) == 0) { - /* FIXME: Should be able to use &library_symbols as above. But - when you do, none of the real library symbols cause breaks. */ - add_library_symbol(opd2addr(lte, addr), - name, lib_tail, LS_TOPLT_NONE, 0); - xptr->found = 1; - break; - } - } - for (xptr = opt_x; xptr; xptr = xptr->next) - if ( ! xptr->found) { - char *badthing = "WARNING"; -#ifdef PLT_REINITALISATION_BP - if (strcmp(xptr->name, PLTs_initialized_by_here) == 0) { - if (lte->ehdr.e_entry) { - add_library_symbol ( - opd2addr (lte, lte->ehdr.e_entry), - PLTs_initialized_by_here, - lib_tail, 1, 0); - fprintf (stderr, "WARNING: Using e_ent" - "ry from elf header (%p) for " - "address of \"%s\"\n", (void*) - (long) lte->ehdr.e_entry, - PLTs_initialized_by_here); - continue; - } - badthing = "ERROR"; - exit_out = 1; - } -#endif - fprintf (stderr, - "%s: Couldn't find symbol \"%s\" in file \"%s" - "\"\n", badthing, xptr->name, proc->filename); - } - if (exit_out) { - exit (1); - } - - for (i = 0; i < library_num + 1; ++i) - do_close_elf(<e[i]); - - return library_symbols; -} diff --git a/elf.h b/elf.h deleted file mode 100644 index 426f7b8..0000000 --- a/elf.h +++ /dev/null @@ -1,49 +0,0 @@ -#ifndef LTRACE_ELF_H -#define LTRACE_ELF_H - -#include -#include - -struct ltelf { - int fd; - Elf *elf; - GElf_Ehdr ehdr; - Elf_Data *dynsym; - size_t dynsym_count; - const char *dynstr; - GElf_Addr plt_addr; - size_t plt_size; - Elf_Data *relplt; - size_t relplt_count; - Elf_Data *symtab; - const char *strtab; - size_t symtab_count; - Elf_Data *opd; - GElf_Addr *opd_addr; - size_t opd_size; - Elf32_Word *hash; - int hash_type; - int lte_flags; -#ifdef __mips__ - size_t pltgot_addr; - size_t mips_local_gotno; - size_t mips_gotsym; -#endif // __mips__ -}; - -#define LTE_HASH_MALLOCED 1 -#define LTE_PLT_EXECUTABLE 2 - -#define PLTS_ARE_EXECUTABLE(lte) ((lte->lte_flags & LTE_PLT_EXECUTABLE) != 0) - -extern int library_num; -extern char *library[MAX_LIBRARIES]; - -extern struct library_symbol *read_elf(Process *); - -extern GElf_Addr arch_plt_sym_val(struct ltelf *, size_t, GElf_Rela *); - -#ifndef SHT_GNU_HASH -#define SHT_GNU_HASH 0x6ffffff6 /* GNU-style hash table. */ -#endif -#endif diff --git a/etc/ltrace.conf b/etc/ltrace.conf index ed4fc5a..8f83986 100644 --- a/etc/ltrace.conf +++ b/etc/ltrace.conf @@ -4,104 +4,21 @@ ; used to suppress the automatic inclusion of both this file and ; ~/.ltrace.conf, and load a different config file or config files ; instead. - -; Argument types: -; + == May vary (ie, is a returned value) (prefix) -; void -; int -; uint == (unsigned int) -; long -; ulong == (unsigned long) -; octal == (unsigned) [written in octal] -; char -; short == (short) -; ushort == (unsigned short) -; addr == (void *) [unsigned, written in hexa] -; file == (FILE *) [TODO] -; format == ((const char *), ...) [printf() like] [TODO] -; string == (char *) -; string[argN] == (char *) [N>0] [show only up to (arg N) bytes] -; string[eltN] == (char *) [N>0] [show only up to (elt N) bytes] -; string[retval] == (char *) [show only up to (return val) bytes] -; string[arg0] == (char *) [same as string[retval]] -; string[N] == (char *) [N>0] [show only up to N bytes] -; type* == (type *) [pointer to any other type] -; enum (key=value,key=value,...) [enumeration, see below] -; array(type,argN) -; == (type[SIZE]) [array of (arg N) elements] -; array(type,eltN) -; == (type[SIZE]) [array of (struct element N) elements] -; array(type,N) == (type[N]) [array of N elements] -; struct(type,type,...) -; == (struct {...}) [struct of several types] ; -; Backwards-compatibility: -; string0 == (char *) [same as string[retval]] -; stringN == (char *) [N>0] [same as string[argN]] - - - -; Typedefs -; -; To make it easier to specify argument lists, you can use 'typedef' -; directives to avoid repeating complex parameter descriptors: -; -; typedef color = enum(RED=1,BLUE=2,GREEN=3) -; void draw_line(color,int,int,int,int) -; void draw_square(color,int,int,int,int) -; -; Enumerations -; -; The syntax is a parenthesized list of key=value assignments, like so: -; enum (F_DUPFD=0,F_GETFD=1,F_SETFD=2) -; an example usage might look like -; int fcntl(int,enum (F_DUPFD=0,F_GETFD=1,F_SETFD=2)) -; -; Arrays -; -; NOTE: Uses of array(...) alone are very rare. You almost always -; want array(...)*. The exceptions are when you have a fixed-size -; array. -; -; Structs -; -; NOTE: Uses of struct(...) alone are very rare. You almost always -; want struct(...)* (a pointer to a struct) anyway. Most compilers -; pass structs as pointers anyway, and those that don't are not yet -; supported. The one time when you want to use a non-pointer -; struct(...) type are when you have an array of structs, or a struct -; containing another struct. -; -; For example, if you have -; struct s1 { -; int y_size; -; int * y; -; int z[3]; -; struct { char c; } a; -; struct { char c; } * b; -; } -; and a function -; void f(struct s1*) -; then the corresponding ltrace spec is -; void f(struct(int,array(int,elt0),array(int,3),struct(char),struct(char)*)*) -; which, formatted similarly to the C declaration, looks like -; void f(struct( -; int, -; array(int,elt0), -; array(int,3), -; struct(char), -; struct(char)* -; )* -; ) - +; See ltrace.conf(5) for description of syntax of this file. ; arpa/inet.h -int inet_aton(string,addr); -string inet_ntoa(addr); ; It isn't an ADDR but an hexa number... -addr inet_addr(string); +typedef in_addr = struct(hex(uint)); +int inet_aton(string, +in_addr*); +hex(uint) inet_addr(string); +hex(uint) inet_network(string); +string inet_ntoa(in_addr); +in_addr inet_makeaddr(hex(int), hex(int)); +hex(uint) inet_lnaof(in_addr); +hex(uint) inet_netof(in_addr); ; bfd.h -void bfd_init(void); +void bfd_init(); int bfd_set_default_target(string); addr bfd_scan_vma(string, addr, int); addr bfd_openr(string,string); @@ -110,9 +27,10 @@ int bfd_check_format(addr,int); ; ctype.h char tolower(char); char toupper(char); -addr __ctype_b_loc(void); -addr __ctype_tolower_loc(void); -addr __ctype_toupper_loc(void); +addr __ctype_b_loc(); +addr __ctype_tolower_loc(); +addr __ctype_toupper_loc(); +ulong __ctype_get_mb_cur_max(); ; curses.h int waddch(addr, char); @@ -129,12 +47,12 @@ addr readdir64(addr); ; dlfcn.h addr dlopen(string, int); -string dlerror(void); +string dlerror(); addr dlsym(addr, string); int dlclose(addr); ; errno.h -addr __errno_location(void); +addr __errno_location(); ; fcntl.h int open(string,int,octal); ; WARNING: 3rd argument may not be there @@ -148,10 +66,10 @@ int getopt_long(int,addr,string,addr,int*); int getopt_long_only(int,addr,string,addr,addr); ; grp.h -void endgrent(void); +void endgrent(); addr getgrnam(string); -void setgrent(void); -addr getgrent(void); +void setgrent(); +addr getgrent(); ; libintl.h string __dcgettext(string,string,int); @@ -163,16 +81,11 @@ char _IO_getc(file); int _IO_putc(char,file); ; locale.h -string setlocale(int, string); +string setlocale(enum(LC_CTYPE=0, LC_NUMERIC=1, LC_TIME=2, LC_COLLATE=3, LC_MONETARY=4, LC_MESSAGES=5, LC_ALL=6, LC_PAPER=7, LC_NAME=8, LC_ADDRESS=9, LC_TELEPHONE=10, LC_MEASUREMENT=11, LC_IDENTIFICATION=12), string); ; mcheck.h -void mtrace(void); -void muntrace(void); - -; mntent.h -int endmntent(file); -file setmntent(string,string); -addr getmntent(addr); +void mtrace(); +void muntrace(); ; mqueue.h int mq_open(string, int, octal, addr); ; WARNING: 3rd and 4th arguments may not be there @@ -187,28 +100,28 @@ long mq_receive(int, +string0, ulong, addr); long mq_timedreceive(int, +string0, ulong, addr, addr); ; netdb.h -void endhostent(void); -void endnetent(void); -void endnetgrent(void); -void endprotoent(void); -void endservent(void); +void endhostent(); +void endnetent(); +void endnetgrent(); +void endprotoent(); +void endservent(); void freeaddrinfo(addr); string gai_strerror(int); int getaddrinfo(string, string, addr, addr); addr gethostbyaddr(string, uint, int); addr gethostbyname(string); -addr gethostent(void); +addr gethostent(); int getnameinfo(addr, uint, string, uint, string, uint, uint); addr getnetbyaddr(uint, int); addr getnetbyname(string); -addr getnetent(void); +addr getnetent(); int getnetgrent(addr, addr, addr); addr getprotobyname(string); addr getprotobynumber(int); -addr getprotoent(void); +addr getprotoent(); addr getservbyname(string, string); addr getservbyport(int, string); -addr getservent(void); +addr getservent(); void herror(string); string hstrerror(int); int rcmd(addr, ushort, string, string, string, addr); @@ -237,25 +150,32 @@ int pcap_compile(addr, addr, string, int, addr); ; pwd.h string getpass(string); -void endpwent(void); +void endpwent(); addr getpwnam(string); -void setpwent(void); +void setpwent(); ; readline/readline.h string readline(string); ; signal.h -int kill(int,int); -addr signal(int,addr); -int sigemptyset(addr); -int sigfillset(addr); -int sigaddset(addr, int); -int sigdelset(addr, int); -int sigismember(addr, int); -int sigaction(int, addr, addr); -int sigprocmask(int, addr, addr); -int sigpending(addr); -int sigsuspend(addr); +typedef signum = enum(SIGHUP=1, SIGINT=2, SIGQUIT=3, SIGILL=4, SIGTRAP=5, SIGABRT=6, SIGBUS=7, SIGFPE=8, SIGKILL=9, SIGUSR1=10, SIGSEGV=11, SIGUSR2=12, SIGPIPE=13, SIGALRM=14, SIGTERM=15, SIGSTKFLT=16, SIGCHLD=17, SIGCONT=18, SIGSTOP=19, SIGTSTP=20, SIGTTIN=21, SIGTTOU=22, SIGURG=23, SIGXCPU=24, SIGXFSZ=25, SIGVTALRM=26, SIGPROF=27, SIGWINCH=28, SIGIO=29, SIGPWR=30, SIGSYS=31, SIGRTMIN_0=32, SIGRTMIN_1=33, SIGRTMIN_2=34, SIGRTMIN_3=35, SIGRTMIN_4=36, SIGRTMIN_5=37, SIGRTMIN_6=38, SIGRTMIN_7=39, SIGRTMIN_8=40, SIGRTMIN_9=41, SIGRTMIN_10=42, SIGRTMIN_11=43, SIGRTMIN_12=44, SIGRTMIN_13=45, SIGRTMIN_14=46, SIGRTMIN_15=47, SIGRTMIN_16=48, SIGRTMIN_17=49, SIGRTMIN_18=50, SIGRTMIN_19=51, SIGRTMIN_20=52, SIGRTMIN_21=53, SIGRTMIN_22=54, SIGRTMIN_23=55, SIGRTMIN_24=56, SIGRTMIN_25=57, SIGRTMIN_26=58, SIGRTMIN_27=59, SIGRTMIN_28=60, SIGRTMIN_29=61, SIGRTMIN_30=62, SIGRTMIN_31=63); +typedef sigset_t = bitvec(ulong); +; elm3 should be flags +typedef sigaction = struct(addr, sigset_t, hex(int), addr); +int kill(int, signum); +int sigemptyset(+sigset_t*); +int sigaddset(+sigset_t*, signum); +int sigdelset(+sigset_t*, signum); +int sigfillset(+sigset_t*); +int sigismember(sigset_t*, signum); +addr signal(signum,addr); +int sigaction(signum, sigaction*, +sigaction*); +int sigprocmask(enum(SIG_BLOCK=1, SIG_UNBLOCK=2, SIG_SETMASK=3), sigset_t*, +sigset_t*); +int sigpending(+sigset_t*); +int sigsuspend(sigset_t*); +int sigisemptyset(sigset_t*); +int sigorset(+sigset_t*, sigset_t*, sigset_t*); +int sigandset(+sigset_t*, sigset_t*, sigset_t*); ; stdio.h int fclose(file); @@ -305,7 +225,7 @@ int setenv(string,string,int); void unsetenv(string); addr malloc(ulong); void qsort(addr,ulong,ulong,addr); -int random(void); +int random(); addr realloc(addr,ulong); void srandom(uint); int system(string); @@ -316,7 +236,8 @@ void bzero(addr,ulong); string basename(string); string index(string,char); addr memchr(string,char,ulong); -addr memcpy(addr,string3,ulong); +addr memcpy(addr,string(array(char, arg3)*),ulong); +addr memmove(addr,string(array(char, arg3)*),ulong); addr memset(addr,char,long); string rindex(string,char); addr stpcpy(addr,string); @@ -363,7 +284,7 @@ int uname(addr); int statfs(string,addr); ; syslog.h -void closelog(void); +void closelog(); void openlog(string,int,int); void syslog(int,format); @@ -394,21 +315,21 @@ int dup2(int,int); int execlp(string,string,addr,addr,addr); int execv(string,addr); int fchdir(int); -int fork(void); +int fork(); int ftruncate(int,ulong); string2 getcwd(addr,ulong); int getdomainname(+string2,ulong); -int geteuid(void); -int getegid(void); -int getgid(void); +int geteuid(); +int getegid(); +int getgid(); int gethostname(+string2,ulong); -string getlogin(void); +string getlogin(); int getopt(int,addr,string); -int getpid(void); -int getppid(void); -int getuid(void); -int getpgrp(void); -int setpgrp(void); +int getpid(); +int getppid(); +int getuid(); +int getpgrp(); +int setpgrp(); int getpgid(int); int isatty(int); int link(string,string); @@ -423,21 +344,21 @@ int setreuid(uint, uint); int setuid(int); uint sleep(uint); int symlink(string,string); -int sync(void); +int sync(); int truncate(string,ulong); string ttyname(int); int unlink(string); void usleep(uint); long write(int, string3, ulong); addr sbrk(long); -int getpagesize(void); +int getpagesize(); long lseek(int,long,int); int pipe(addr); ; utmp.h -void endutent(void); -addr getutent(void); -void setutent(void); +void endutent(); +addr getutent(); +void setutent(); ; wchar.h int fwide(addr, int); @@ -479,7 +400,7 @@ int acl_set_qualifier(addr,addr); int acl_set_tag_type(addr,int); int acl_size(addr); string acl_to_text(addr,addr); -itn acl_valid(addr); +int acl_valid(addr); ; acl/libacl.h int acl_check(addr,addr); @@ -493,15 +414,33 @@ addr acl_from_mode(octal); int acl_get_perm(addr,uint); string acl_to_any_text(addr,string,char,int); +; other symbols not included above +long a64l(string); +string l64a(long); +void abort(); +int abs(int); +long labs(long); + +typedef mntent = struct(string, string, string, string, int, int); +int addmntent(file, mntent*); +int endmntent(file); +int __endmntent(file); +file setmntent(string,string); +file __setmntent(string,string); +mntent *getmntent(addr); +mntent *getmntent_r(file, +mntent*, string, int); +mntent *__getmntent_r(file, +mntent*, string, int); +string hasmntopt(mntent*, string); + ; SYSCALLS addr SYS_brk(addr); int SYS_close(int); int SYS_execve(string,addr,addr); void SYS_exit(int); void SYS_exit_group(int); -int SYS_fork(void); +int SYS_fork(); int SYS_getcwd(+string2,ulong); -int SYS_getpid(void); +int SYS_getpid(); ;addr SYS_mmap(addr,ulong,int,int,int,long); int SYS_munmap(addr,ulong); int SYS_open(string,int,octal); @@ -511,7 +450,7 @@ int SYS_stat(string,addr); octal SYS_umask(octal); int SYS_uname(addr); long SYS_write(int,string3,ulong); -int SYS_sync(void); +int SYS_sync(); int SYS_setxattr(string,string,addr,uint,int); int SYS_lsetxattr(string,string,addr,uint,int); int SYS_fsetxattr(int,string,addr,uint,int); @@ -544,16 +483,16 @@ int SYS_gettimeofday(addr,addr); int SYS_settimeofday(addr,addr); int SYS_setfsgid(int); int SYS_setfsuid(int); -int SYS_getuid(void); +int SYS_getuid(); int SYS_setuid(int); -int SYS_getgid(void); +int SYS_getgid(); int SYS_setgid(int); int SYS_getsid(int); int SYS_setsid(int); int SYS_setreuid(int,int); int SYS_setregid(int,int); -int SYS_geteuid(void); -int SYS_getegid(void); +int SYS_geteuid(); +int SYS_getegid(); int SYS_setpgid(int,int); int SYS_getresuid(addr,addr,addr); int SYS_setresuid(int,int,int); @@ -591,7 +530,7 @@ int SYS_utime(string,addr); long SYS_lseek(int,long,int); addr SYS_signal(int,addr); int SYS_sigaction(int,addr,addr); -int SYS_pause(void); +int SYS_pause(); int SYS_sigpending(addr); int SYS_sigprocmask(int,addr,addr); int SYS_sigqueue(int,int,addr); diff --git a/execute_program.c b/execute_program.c index 5fd6379..b24f2ee 100644 --- a/execute_program.c +++ b/execute_program.c @@ -1,5 +1,31 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011,2012 Petr Machata, Red Hat Inc. + * Copyright (C) 2010 Joe Damato + * Copyright (C) 1998,1999,2003,2008,2009 Juan Cespedes + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ #include "config.h" +#if defined(HAVE_LIBUNWIND) +#include +#endif /* defined(HAVE_LIBUNWIND) */ + #include #include #include @@ -10,10 +36,13 @@ #include #include -#include "common.h" +#include "backend.h" +#include "options.h" +#include "debug.h" static void -change_uid(Process *proc) { +change_uid(const char * command) +{ uid_t run_uid, run_euid; gid_t run_gid, run_egid; @@ -45,7 +74,7 @@ change_uid(Process *proc) { run_euid = run_uid; run_egid = run_gid; - if (!stat(proc->filename, &statbuf)) { + if (!stat(command, &statbuf)) { if (statbuf.st_mode & S_ISUID) { run_euid = statbuf.st_uid; } @@ -64,28 +93,30 @@ change_uid(Process *proc) { } } -void -execute_program(Process *sp, char **argv) { +pid_t +execute_program(const char * command, char **argv) +{ pid_t pid; - debug(1, "Executing `%s'...", sp->filename); + debug(1, "Executing `%s'...", command); pid = fork(); if (pid < 0) { + fail: perror("ltrace: fork"); exit(1); } else if (!pid) { /* child */ - change_uid(sp); + change_uid(command); trace_me(); - execvp(sp->filename, argv); - fprintf(stderr, "Can't execute `%s': %s\n", sp->filename, + execvp(command, argv); + fprintf(stderr, "Can't execute `%s': %s\n", command, strerror(errno)); _exit(1); } - debug(1, "PID=%d", pid); - - sp->pid = pid; + if (wait_for_proc(pid) < 0) + goto fail; - return; + debug(1, "PID=%d", pid); + return pid; } diff --git a/expr.c b/expr.c new file mode 100644 index 0000000..32860fd --- /dev/null +++ b/expr.c @@ -0,0 +1,338 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011,2012 Petr Machata, Red Hat Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include +#include +#include +#include +#include + +#include "expr.h" + +static void +expr_init_common(struct expr_node *node, enum expr_node_kind kind) +{ + node->kind = kind; + node->lhs = NULL; + node->own_lhs = 0; + memset(&node->u, 0, sizeof(node->u)); +} + +void +expr_init_self(struct expr_node *node) +{ + expr_init_common(node, EXPR_OP_SELF); +} + +void +expr_init_named(struct expr_node *node, + const char *name, int own_name) +{ + expr_init_common(node, EXPR_OP_NAMED); + node->u.name.s = name; + node->u.name.own = own_name; +} + +void +expr_init_argno(struct expr_node *node, size_t num) +{ + expr_init_common(node, EXPR_OP_ARGNO); + node->u.num = num; +} + +void +expr_init_const(struct expr_node *node, struct value *val) +{ + expr_init_common(node, EXPR_OP_CONST); + node->u.value = *val; +} + +void +expr_init_const_word(struct expr_node *node, long l, + struct arg_type_info *type, int own_type) +{ + struct value val; + value_init_detached(&val, NULL, type, own_type); + value_set_word(&val, l); + expr_init_const(node, &val); +} + +void +expr_init_index(struct expr_node *node, + struct expr_node *lhs, int own_lhs, + struct expr_node *rhs, int own_rhs) +{ + expr_init_common(node, EXPR_OP_INDEX); + node->lhs = lhs; + node->own_lhs = own_lhs; + node->u.node.n = rhs; + node->u.node.own = own_rhs; +} + +void +expr_init_up(struct expr_node *node, struct expr_node *lhs, int own_lhs) +{ + assert(lhs != NULL); + expr_init_common(node, EXPR_OP_UP); + node->lhs = lhs; + node->own_lhs = own_lhs; +} + +void +expr_init_cb1(struct expr_node *node, + int (*cb)(struct value *ret_value, struct value *value, + struct value_dict *arguments, void *data), + struct expr_node *lhs, int own_lhs, void *data) +{ + expr_init_common(node, EXPR_OP_CALL1); + node->lhs = lhs; + node->own_lhs = own_lhs; + node->u.call.u.cb1 = cb; + node->u.call.data = data; +} + +void +expr_init_cb2(struct expr_node *node, + int (*cb)(struct value *ret_value, + struct value *lhs, struct value *rhs, + struct value_dict *arguments, void *data), + struct expr_node *lhs, int own_lhs, + struct expr_node *rhs, int own_rhs, void *data) +{ + expr_init_common(node, EXPR_OP_CALL2); + node->lhs = lhs; + node->own_lhs = own_lhs; + node->u.call.rhs = rhs; + node->u.call.own_rhs = own_rhs; + node->u.call.u.cb2 = cb; + node->u.call.data = data; +} + +static void +release_expr(struct expr_node *node, int own) +{ + if (own) { + expr_destroy(node); + free(node); + } +} + +void +expr_destroy(struct expr_node *node) +{ + if (node == NULL) + return; + + switch (node->kind) { + case EXPR_OP_ARGNO: + case EXPR_OP_SELF: + return; + + case EXPR_OP_CONST: + value_destroy(&node->u.value); + return; + + case EXPR_OP_NAMED: + if (node->u.name.own) + free((char *)node->u.name.s); + return; + + case EXPR_OP_INDEX: + release_expr(node->lhs, node->own_lhs); + release_expr(node->u.node.n, node->u.node.own); + return; + + case EXPR_OP_CALL2: + release_expr(node->u.call.rhs, node->u.call.own_rhs); + /* Fall through. */ + case EXPR_OP_UP: + case EXPR_OP_CALL1: + release_expr(node->lhs, node->own_lhs); + return; + } + + assert(!"Invalid value of node kind"); + abort(); +} + +int +expr_is_compile_constant(struct expr_node *node) +{ + return node->kind == EXPR_OP_CONST; +} + +static int +eval_up(struct expr_node *node, struct value *context, + struct value_dict *arguments, struct value *ret_value) +{ + if (expr_eval(node->lhs, context, arguments, ret_value) < 0) + return -1; + struct value *parent = value_get_parental_struct(ret_value); + if (parent == NULL) { + value_destroy(ret_value); + return -1; + } + *ret_value = *parent; + return 0; +} + +static int +eval_cb1(struct expr_node *node, struct value *context, + struct value_dict *arguments, struct value *ret_value) +{ + struct value val; + if (expr_eval(node->lhs, context, arguments, &val) < 0) + return -1; + + int ret = 0; + if (node->u.call.u.cb1(ret_value, &val, arguments, + node->u.call.data) < 0) + ret = -1; + + /* N.B. the callback must return its own value, or somehow + * clone the incoming argument. */ + value_destroy(&val); + return ret; +} + +static int +eval_cb2(struct expr_node *node, struct value *context, + struct value_dict *arguments, struct value *ret_value) +{ + struct value lhs; + if (expr_eval(node->lhs, context, arguments, &lhs) < 0) + return -1; + + struct value rhs; + if (expr_eval(node->u.call.rhs, context, arguments, &rhs) < 0) { + value_destroy(&lhs); + return -1; + } + + int ret = 0; + if (node->u.call.u.cb2(ret_value, &lhs, &rhs, arguments, + node->u.call.data) < 0) + ret = -1; + + /* N.B. the callback must return its own value, or somehow + * clone the incoming argument. */ + value_destroy(&lhs); + value_destroy(&rhs); + return ret; +} + +int +eval_index(struct expr_node *node, struct value *context, + struct value_dict *arguments, struct value *ret_value) +{ + struct value lhs; + if (expr_eval(node->lhs, context, arguments, &lhs) < 0) + return -1; + + long l; + if (expr_eval_word(node->u.node.n, context, arguments, &l) < 0) { + fail: + value_destroy(&lhs); + return -1; + } + + if (value_init_element(ret_value, &lhs, (size_t)l) < 0) + goto fail; + return 0; +} + +int +expr_eval(struct expr_node *node, struct value *context, + struct value_dict *arguments, struct value *ret_value) +{ + switch (node->kind) { + struct value *valp; + case EXPR_OP_ARGNO: + valp = val_dict_get_num(arguments, node->u.num); + if (valp == NULL) + return -1; + *ret_value = *valp; + return 0; + + case EXPR_OP_NAMED: + valp = val_dict_get_name(arguments, node->u.name.s); + if (valp == NULL) + return -1; + *ret_value = *valp; + return 0; + + case EXPR_OP_SELF: + *ret_value = *context; + return 0; + + case EXPR_OP_CONST: + *ret_value = node->u.value; + return 0; + + case EXPR_OP_INDEX: + return eval_index(node, context, arguments, ret_value); + + case EXPR_OP_UP: + return eval_up(node, context, arguments, ret_value); + + case EXPR_OP_CALL1: + return eval_cb1(node, context, arguments, ret_value); + + case EXPR_OP_CALL2: + return eval_cb2(node, context, arguments, ret_value); + } + + assert(!"Unknown node kind."); + abort(); +} + +int +expr_eval_word(struct expr_node *node, struct value *context, + struct value_dict *arguments, long *ret_value) +{ + struct value val; + if (expr_eval(node, context, arguments, &val) < 0) + return -1; + int ret = 0; + if (value_extract_word(&val, ret_value, arguments) < 0) + ret = -1; + value_destroy(&val); + return ret; +} + +int +expr_eval_constant(struct expr_node *node, long *valuep) +{ + assert(expr_is_compile_constant(node)); + return expr_eval_word(node, NULL, NULL, valuep); +} + +struct expr_node * +expr_self(void) +{ + static struct expr_node *node = NULL; + if (node == NULL) { + node = malloc(sizeof(*node)); + if (node == NULL) + error(1, errno, "malloc expr_self"); + expr_init_self(node); + } + return node; +} diff --git a/expr.h b/expr.h new file mode 100644 index 0000000..53b75b7 --- /dev/null +++ b/expr.h @@ -0,0 +1,156 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011,2012 Petr Machata, Red Hat Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#ifndef EXPR_H +#define EXPR_H + +#include "value.h" +#include "value_dict.h" + +/* Expressions serve as a way of encoding array lengths. */ + +enum expr_node_kind { + EXPR_OP_SELF, /* reference to the variable in question */ + EXPR_OP_NAMED, /* value of named argument */ + EXPR_OP_ARGNO, /* value of numbered argument */ + EXPR_OP_CONST, /* constant value */ + EXPR_OP_INDEX, /* A[B] */ + EXPR_OP_UP, /* reference to containing structure */ + EXPR_OP_CALL1, /* internal callback with one operand */ + EXPR_OP_CALL2, /* internal callback with two operands */ +}; + +struct expr_node { + enum expr_node_kind kind; + + struct expr_node *lhs; + int own_lhs; + + union { + struct { + const char *s; + int own; + } name; + struct { + struct expr_node *n; + int own; + } node; + struct value value; + size_t num; + struct { + union { + int (*cb1)(struct value *ret_value, + struct value *lhs, + struct value_dict *arguments, + void *data); + int (*cb2)(struct value *ret_value, + struct value *lhs, + struct value *rhs, + struct value_dict *arguments, + void *data); + } u; + void *data; + struct expr_node *rhs; + int own_rhs; + } call; + } u; +}; + +/* Expression of type self just returns the value in consideration. + * For example, if what we seek is length of an array, then the value + * representing that array is returned by the expression. */ +void expr_init_self(struct expr_node *node); + +/* Expression that yields the value of an argument named NAME. NAME + * is owned if OWN_NAME. */ +void expr_init_named(struct expr_node *node, + const char *name, int own_name); + +/* Expression that yields the value of an argument number NUM. */ +void expr_init_argno(struct expr_node *node, size_t num); + +/* Constant expression always returns the same value VAL. VAL is + * copied into NODE and owned by it. */ +void expr_init_const(struct expr_node *node, struct value *val); +void expr_init_const_word(struct expr_node *node, long l, + struct arg_type_info *type, int own_type); + +/* Expression LHS[RHS]. LHS and RHS are owned if, respectively, + * OWN_LHS and OWN_RHS. */ +void expr_init_index(struct expr_node *node, + struct expr_node *lhs, int own_lhs, + struct expr_node *rhs, int own_rhs); + +/* This expression returns the containing value of LHS (^LHS). LHS is + * owned if OWN_LHS. */ +void expr_init_up(struct expr_node *node, struct expr_node *lhs, int own_lhs); + +/* Callback expression calls CB(eval(LHS), DATA). LHS is owned if + * OWN_LHS. DATA is passed to callback verbatim. */ +void expr_init_cb1(struct expr_node *node, + int (*cb)(struct value *ret_value, + struct value *value, + struct value_dict *arguments, + void *data), + struct expr_node *lhs, int own_lhs, void *data); + +/* Callback expression calls CB(eval(LHS), eval(RHS), DATA). LHS and + * RHS are owned if, respectively, OWN_LHS and OWN_RHS. DATA is + * passed to callback verbatim. */ +void expr_init_cb2(struct expr_node *node, + int (*cb)(struct value *ret_value, + struct value *lhs, struct value *rhs, + struct value_dict *arguments, + void *data), + struct expr_node *lhs, int own_lhs, + struct expr_node *rhs, int own_rhs, void *data); + +/* Release the data inside NODE. Doesn't free NODE itself. */ +void expr_destroy(struct expr_node *node); + +/* Evaluate the expression NODE in context of VALUE. ARGUMENTS is a + * dictionary of named and numbered values that NODE may use. Returns + * 0 in case of success or a negative value on error. CONTEXT and + * ARGUMENTS may be NULL, but then the expression mustn't need them + * for evaluation. */ +int expr_eval(struct expr_node *node, struct value *context, + struct value_dict *arguments, struct value *ret_value); + +/* Evaluate compile-time expression. Returns 0 on success or negative + * value on failure. Computed value is passed back in *VALUEP. */ +int expr_eval_constant(struct expr_node *node, long *valuep); + +/* Evaluate expression, whose result should fit into a word. In order + * to easily support all the structure and array accesses, we simply + * operate on values represented by struct value. But eventually we need + * to be able to get out a word-size datum to use it as an index, a + * length, etc. */ +int expr_eval_word(struct expr_node *node, struct value *context, + struct value_dict *arguments, long *ret_value); + +/* Returns non-zero value if the expression is a compile-time + * constant. Currently this is only EXPR_OP_CONST, but eventually + * things like sizeof or simple expressions might be allowed. */ +int expr_is_compile_constant(struct expr_node *node); + +/* Returns a pre-computed expression "self". */ +struct expr_node *expr_self(void); + +#endif /* EXPR_H */ diff --git a/fetch.c b/fetch.c new file mode 100644 index 0000000..88966a5 --- /dev/null +++ b/fetch.c @@ -0,0 +1,166 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011,2012 Petr Machata, Red Hat Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include +#include + +#include "fetch.h" +#include "sysdep.h" +#include "value.h" +#include "type.h" + +#ifdef ARCH_HAVE_FETCH_ARG +struct fetch_context *arch_fetch_arg_init(enum tof type, struct Process *proc, + struct arg_type_info *ret_info); + +struct fetch_context *arch_fetch_arg_clone(struct Process *proc, + struct fetch_context *context); + +int arch_fetch_arg_next(struct fetch_context *ctx, enum tof type, + struct Process *proc, struct arg_type_info *info, + struct value *valuep); + +int arch_fetch_retval(struct fetch_context *ctx, enum tof type, + struct Process *proc, struct arg_type_info *info, + struct value *valuep); + +void arch_fetch_arg_done(struct fetch_context *context); + +# ifdef ARCH_HAVE_FETCH_PACK +int arch_fetch_param_pack_start(struct fetch_context *context, + enum param_pack_flavor ppflavor); + +void arch_fetch_param_pack_end(struct fetch_context *context); +# endif + +#else +/* Fall back to gimme_arg. */ + +long gimme_arg(enum tof type, struct Process *proc, int arg_num, + struct arg_type_info *info); + +struct fetch_context { + int argnum; +}; + +struct fetch_context * +arch_fetch_arg_init(enum tof type, struct Process *proc, + struct arg_type_info *ret_info) +{ + return calloc(sizeof(struct fetch_context), 1); +} + +struct fetch_context * +arch_fetch_arg_clone(struct Process *proc, struct fetch_context *context) +{ + struct fetch_context *ret = malloc(sizeof(*ret)); + if (ret == NULL) + return NULL; + return memcpy(ret, context, sizeof(*ret)); +} + +int +arch_fetch_arg_next(struct fetch_context *context, enum tof type, + struct Process *proc, + struct arg_type_info *info, struct value *valuep) +{ + long l = gimme_arg(type, proc, context->argnum++, info); + value_set_word(valuep, l); + return 0; +} + +int +arch_fetch_retval(struct fetch_context *context, enum tof type, + struct Process *proc, + struct arg_type_info *info, struct value *valuep) +{ + long l = gimme_arg(type, proc, -1, info); + value_set_word(valuep, l); + return 0; +} + +void +arch_fetch_arg_done(struct fetch_context *context) +{ + free(context); +} +#endif + +#if !defined(ARCH_HAVE_FETCH_ARG) || !defined(ARCH_HAVE_FETCH_PACK) +int +arch_fetch_param_pack_start(struct fetch_context *context, + enum param_pack_flavor ppflavor) +{ + return 0; +} + +void +arch_fetch_param_pack_end(struct fetch_context *context) +{ +} +#endif + +struct fetch_context * +fetch_arg_init(enum tof type, struct Process *proc, + struct arg_type_info *ret_info) +{ + return arch_fetch_arg_init(type, proc, ret_info); +} + +struct fetch_context * +fetch_arg_clone(struct Process *proc, struct fetch_context *context) +{ + return arch_fetch_arg_clone(proc, context); +} + +int +fetch_arg_next(struct fetch_context *context, enum tof type, + struct Process *proc, + struct arg_type_info *info, struct value *valuep) +{ + return arch_fetch_arg_next(context, type, proc, info, valuep); +} + +int +fetch_retval(struct fetch_context *context, enum tof type, + struct Process *proc, + struct arg_type_info *info, struct value *valuep) +{ + return arch_fetch_retval(context, type, proc, info, valuep); +} + +void +fetch_arg_done(struct fetch_context *context) +{ + return arch_fetch_arg_done(context); +} + +int +fetch_param_pack_start(struct fetch_context *context, + enum param_pack_flavor ppflavor) +{ + return arch_fetch_param_pack_start(context, ppflavor); +} + +void +fetch_param_pack_end(struct fetch_context *context) +{ + return arch_fetch_param_pack_end(context); +} diff --git a/fetch.h b/fetch.h new file mode 100644 index 0000000..2a13214 --- /dev/null +++ b/fetch.h @@ -0,0 +1,95 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011,2012 Petr Machata, Red Hat Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#ifndef FETCH_H +#define FETCH_H + +#include "forward.h" +#include "param.h" + +/* XXX isn't SYSCALL TOF just a different ABI? Maybe we needed to + * support variant ABIs all along. */ +enum tof { + LT_TOF_FUNCTION, /* A real library function */ + LT_TOF_FUNCTIONR, /* Return from a real library function */ + LT_TOF_SYSCALL, /* A syscall */ + LT_TOF_SYSCALLR, /* Return from a syscall */ +}; + +/* The contents of the structure is defined by the back end. */ +struct fetch_context; + +/* Initialize argument fetching. Returns NULL on failure. RET_INFO + * is the return type of the function. */ +struct fetch_context *fetch_arg_init(enum tof type, struct Process *proc, + struct arg_type_info *ret_info); + +/* Make a clone of context. */ +struct fetch_context *fetch_arg_clone(struct Process *proc, + struct fetch_context *context); + +/* Load next argument. The function returns 0 on success or a + * negative value on failure. The extracted value is stored in + * *VALUEP. */ +int fetch_arg_next(struct fetch_context *context, enum tof type, + struct Process *proc, + struct arg_type_info *info, struct value *valuep); + +/* Load return value. The function returns 0 on success or a negative + * value on failure. The extracted value is stored in *VALUEP. */ +int fetch_retval(struct fetch_context *context, enum tof type, + struct Process *proc, + struct arg_type_info *info, struct value *valuep); + +/* Destroy fetch context. CONTEXT shall be the same memory location + * that was passed to fetch_arg_next. */ +void fetch_arg_done(struct fetch_context *context); + +/* Called before fetching arguments that come from parameter packs. + * Returns 0 on success or a negative value on failure. */ +int fetch_param_pack_start(struct fetch_context *context, + enum param_pack_flavor ppflavor); + +/* Called after a parameter pack has been fetched. */ +void fetch_param_pack_end(struct fetch_context *context); + + +/* The following callbacks have to be implemented in backend if arch.h + * defines ARCH_HAVE_FETCH_ARG. These backend callbacks correspond to + * above functions. */ +struct fetch_context *arch_fetch_arg_init(enum tof type, struct Process *proc, + struct arg_type_info *ret_info); +struct fetch_context *arch_fetch_arg_clone(struct Process *proc, + struct fetch_context *context); +int arch_fetch_arg_next(struct fetch_context *ctx, enum tof type, + struct Process *proc, struct arg_type_info *info, + struct value *valuep); +int arch_fetch_retval(struct fetch_context *ctx, enum tof type, + struct Process *proc, struct arg_type_info *info, + struct value *valuep); +void arch_fetch_arg_done(struct fetch_context *context); + +/* The following callbacks have to be implemented in backend if arch.h + * defines ARCH_HAVE_FETCH_ARG and ARCH_HAVE_FETCH_PACK. */ +int arch_fetch_param_pack_start(struct fetch_context *context, + enum param_pack_flavor ppflavor); +void arch_fetch_param_pack_end(struct fetch_context *context); + +#endif /* FETCH_H */ diff --git a/filter.c b/filter.c new file mode 100644 index 0000000..ba50c40 --- /dev/null +++ b/filter.c @@ -0,0 +1,191 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2012 Petr Machata, Red Hat Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include +#include +#include +#include + +#include "filter.h" +#include "library.h" +#include "callback.h" + +void +filter_init(struct filter *filt) +{ + filt->rules = NULL; + filt->next = NULL; +} + +void +filter_destroy(struct filter *filt) +{ + struct filter_rule *it; + for (it = filt->rules; it != NULL; ) { + struct filter_rule *next = it->next; + filter_rule_destroy(it); + it = next; + } +} + +void +filter_rule_init(struct filter_rule *rule, enum filter_rule_type type, + struct filter_lib_matcher *matcher, + regex_t symbol_re) +{ + rule->type = type; + rule->lib_matcher = matcher; + rule->symbol_re = symbol_re; + rule->next = NULL; +} + +void +filter_rule_destroy(struct filter_rule *rule) +{ + filter_lib_matcher_destroy(rule->lib_matcher); + regfree(&rule->symbol_re); +} + +void +filter_add_rule(struct filter *filt, struct filter_rule *rule) +{ + struct filter_rule **rulep; + for (rulep = &filt->rules; *rulep != NULL; rulep = &(*rulep)->next) + ; + *rulep = rule; +} + +void +filter_lib_matcher_name_init(struct filter_lib_matcher *matcher, + enum filter_lib_matcher_type type, + regex_t libname_re) +{ + switch (type) { + case FLM_MAIN: + assert(type != type); + abort(); + + case FLM_SONAME: + case FLM_PATHNAME: + matcher->type = type; + matcher->libname_re = libname_re; + } +} + +void +filter_lib_matcher_main_init(struct filter_lib_matcher *matcher) +{ + matcher->type = FLM_MAIN; +} + +void +filter_lib_matcher_destroy(struct filter_lib_matcher *matcher) +{ + switch (matcher->type) { + case FLM_SONAME: + case FLM_PATHNAME: + regfree(&matcher->libname_re); + break; + case FLM_MAIN: + break; + } +} + +static int +re_match_or_error(regex_t *re, const char *name, const char *what) +{ + int status = regexec(re, name, 0, NULL, 0); + if (status == 0) + return 1; + if (status == REG_NOMATCH) + return 0; + + char buf[200]; + regerror(status, re, buf, sizeof buf); + fprintf(stderr, "Error when matching %s: %s\n", name, buf); + + return 0; +} + +static int +matcher_matches_library(struct filter_lib_matcher *matcher, struct library *lib) +{ + switch (matcher->type) { + case FLM_SONAME: + return re_match_or_error(&matcher->libname_re, lib->soname, + "library soname"); + case FLM_PATHNAME: + return re_match_or_error(&matcher->libname_re, lib->pathname, + "library pathname"); + case FLM_MAIN: + return lib->type == LT_LIBTYPE_MAIN; + } + assert(matcher->type != matcher->type); + abort(); +} + +int +filter_matches_library(struct filter *filt, struct library *lib) +{ + if (filt == NULL) + return 0; + + for (; filt != NULL; filt = filt->next) { + struct filter_rule *it; + for (it = filt->rules; it != NULL; it = it->next) + switch (it->type) { + case FR_ADD: + if (matcher_matches_library(it->lib_matcher, lib)) + return 1; + case FR_SUBTRACT: + continue; + }; + } + return 0; +} + +int +filter_matches_symbol(struct filter *filt, + const char *sym_name, struct library *lib) +{ + for (; filt != NULL; filt = filt->next) { + int matches = 0; + struct filter_rule *it; + for (it = filt->rules; it != NULL; it = it->next) { + switch (it->type) { + case FR_ADD: + if (matches) + continue; + break; + case FR_SUBTRACT: + if (!matches) + continue; + } + + if (matcher_matches_library(it->lib_matcher, lib) + && re_match_or_error(&it->symbol_re, sym_name, + "symbol name")) + matches = !matches; + } + if (matches) + return 1; + } + return 0; +} diff --git a/filter.h b/filter.h new file mode 100644 index 0000000..65c575a --- /dev/null +++ b/filter.h @@ -0,0 +1,99 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2012 Petr Machata, Red Hat Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +/* This file contains declarations and types for working with symbol + * filters. */ + +#ifndef FILTER_H +#define FILTER_H + +#include +#include + +struct library; +struct library_symbol; + +enum filter_lib_matcher_type { + /* Match by soname. */ + FLM_SONAME, + /* Match by path name. */ + FLM_PATHNAME, + /* Match main binary. */ + FLM_MAIN, +}; + +struct filter_lib_matcher { + enum filter_lib_matcher_type type; + regex_t libname_re; +}; + +enum filter_rule_type { + FR_ADD, + FR_SUBTRACT, +}; + +struct filter_rule { + struct filter_rule *next; + struct filter_lib_matcher *lib_matcher; + regex_t symbol_re; /* Regex for matching symbol name. */ + enum filter_rule_type type; +}; + +struct filter { + struct filter *next; + struct filter_rule *rules; +}; + +void filter_init(struct filter *filt); +void filter_destroy(struct filter *filt); + +/* Both SYMBOL_RE and MATCHER are owned and destroyed by RULE. */ +void filter_rule_init(struct filter_rule *rule, enum filter_rule_type type, + struct filter_lib_matcher *matcher, + regex_t symbol_re); + +void filter_rule_destroy(struct filter_rule *rule); + +/* RULE is added to FILT and owned and destroyed by it. */ +void filter_add_rule(struct filter *filt, struct filter_rule *rule); + +/* Create a matcher that matches library name. RE is owned and + * destroyed by MATCHER. TYPE shall be FLM_SONAME or + * FLM_PATHNAME. */ +void filter_lib_matcher_name_init(struct filter_lib_matcher *matcher, + enum filter_lib_matcher_type type, + regex_t re); + +/* Create a matcher that matches main binary. */ +void filter_lib_matcher_main_init(struct filter_lib_matcher *matcher); + +void filter_lib_matcher_destroy(struct filter_lib_matcher *matcher); + +/* Ask whether FILTER might match a symbol in LIB. 0 if no, non-0 if + * yes. Note that positive answer doesn't mean that anything will + * actually be matched, just that potentially it could. */ +int filter_matches_library(struct filter *filt, struct library *lib); + +/* Ask whether FILTER matches this symbol. Returns 0 if it doesn't, + * or non-0 value if it does. */ +int filter_matches_symbol(struct filter *filt, const char *sym_name, + struct library *lib); + +#endif /* FILTER_H */ diff --git a/forward.h b/forward.h new file mode 100644 index 0000000..85a0630 --- /dev/null +++ b/forward.h @@ -0,0 +1,35 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2012 Petr Machata, Red Hat Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +/* Important types defined in other header files are declared + here. */ +struct Event; +struct Process; +struct arg_type_info; +struct breakpoint; +struct expr_node; +struct library; +struct library_symbol; +struct ltelf; +struct param; +struct param_enum; +struct value; +struct value_dict; +struct filter; diff --git a/glob.c b/glob.c new file mode 100644 index 0000000..9af633f --- /dev/null +++ b/glob.c @@ -0,0 +1,279 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2007, 2008, 2012 Petr Machata, Red Hat Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include +#include +#include +#include +#include + +static ssize_t +match_character_class(const char *glob, size_t length, size_t from) +{ + size_t i; + if (length > 0) + for (i = from + 2; i < length - 1 && glob[++i] != ':'; ) + ; + if (i >= length || glob[++i] != ']') + return -1; + return i; +} + +static ssize_t +match_brack(const char *glob, size_t length, size_t from, int *exclmp) +{ + size_t i = from + 1; + + if (i >= length) + return -1; + + /* Complement operator. */ + *exclmp = 0; + if (glob[i] == '^' || glob[i] == '!') { + *exclmp = glob[i++] == '!'; + if (i >= length) + return -1; + } + + /* On first character, both [ and ] are legal. But when [ is + * followed with :, it's character class. */ + if (glob[i] == '[' && glob[i + 1] == ':') { + ssize_t j = match_character_class(glob, length, i); + if (j < 0) + fail: + return -1; + i = j; + } + ++i; /* skip any character, including [ or ] */ + + int escape = 0; + for (; i < length; ++i) { + char c = glob[i]; + if (escape) { + ++i; + escape = 0; + + } else if (c == '[' && glob[i + 1] == ':') { + ssize_t j = match_character_class(glob, length, i); + if (j < 0) + goto fail; + i = j; + + } else if (c == ']') { + return i; + } + } + return -1; +} + +static int +append(char **bufp, const char *str, size_t str_size, + size_t *sizep, size_t *allocp) +{ + if (str_size == 0) + str_size = strlen(str); + size_t nsize = *sizep + str_size; + if (nsize > *allocp) { + size_t nalloc = nsize * 2; + char *nbuf = realloc(*bufp, nalloc); + if (nbuf == NULL) + return -1; + *allocp = nalloc; + *bufp = nbuf; + } + + memcpy(*bufp + *sizep, str, str_size); + *sizep = nsize; + return 0; +} + +static int +glob_to_regex(const char *glob, char **retp) +{ + size_t allocd = 0; + size_t size = 0; + char *buf = NULL; + + size_t length = strlen(glob); + int escape = 0; + size_t i; + for(i = 0; i < length; ++i) { + char c = glob[i]; + if (escape) { + if (c == '\\') { + if (append(&buf, "\\\\", 0, + &size, &allocd) < 0) { + fail: + free(buf); + return REG_ESPACE; + } + + } else if (c == '*') { + if (append(&buf, "\\*", 0, &size, &allocd) < 0) + goto fail; + } else if (c == '?') { + if (append(&buf, "?", 0, &size, &allocd) < 0) + goto fail; + } else if (append(&buf, (char[]){ '\\', c }, 2, + &size, &allocd) < 0) + goto fail; + escape = 0; + } else { + if (c == '\\') + escape = 1; + else if (c == '[') { + int exclm; + ssize_t j = match_brack(glob, length, i, &exclm); + if (j < 0) { + free(buf); + return REG_EBRACK; + } + if (exclm + && append(&buf, "[^", 2, + &size, &allocd) < 0) + goto fail; + if (append(&buf, glob + i + 2*exclm, + j - i + 1 - 2*exclm, + &size, &allocd) < 0) + goto fail; + i = j; + + } else if (c == '*') { + if (append(&buf, ".*", 0, &size, &allocd) < 0) + goto fail; + } else if (c == '?') { + if (append(&buf, ".", 0, &size, &allocd) < 0) + goto fail; + } else if (c == '.') { + if (append(&buf, "\\.", 0, &size, &allocd) < 0) + goto fail; + } else if (append(&buf, &c, 1, &size, &allocd) < 0) + goto fail; + } + } + + if (escape) { + free(buf); + return REG_EESCAPE; + } + + { + char c = 0; + if (append(&buf, &c, 1, &size, &allocd) < 0) + goto fail; + } + *retp = buf; + return REG_NOERROR; +} + +int +globcomp(regex_t *preg, const char *glob, int cflags) +{ + char *regex = NULL; + int status = glob_to_regex(glob, ®ex); + if (status != REG_NOERROR) + return status; + assert(regex != NULL); + status = regcomp(preg, regex, cflags); + free(regex); + return status; +} + +#ifdef TEST +#include + +static void +translate(const char *glob, int exp_status, const char *expect) +{ + char *pattern = NULL; + int status = glob_to_regex(glob, &pattern); + if (status != exp_status) { + fprintf(stderr, "translating %s, expected status %d, got %d\n", + glob, exp_status, status); + return; + } + + if (status == 0) { + assert(pattern != NULL); + if (strcmp(pattern, expect) != 0) + fprintf(stderr, "translating %s, expected %s, got %s\n", + glob, expect, pattern); + free(pattern); + } else { + assert(pattern == NULL); + } +} + +static void +try_match(const char *glob, const char *str, int expect) +{ + regex_t preg; + int status = globcomp(&preg, glob, 0); + assert(status == 0); + status = regexec(&preg, str, 0, NULL, 0); + assert(status == expect); + regfree(&preg); +} + +int +main(void) +{ + translate("*", 0, ".*"); + translate("?", 0, "."); + translate(".*", 0, "\\..*"); + translate("*.*", 0, ".*\\..*"); + translate("*a*", 0, ".*a.*"); + translate("[abc]", 0, "[abc]"); + translate("[^abc]", 0, "[^abc]"); + translate("[!abc]", 0, "[^abc]"); + translate("[]]", 0, "[]]"); + translate("[[]", 0, "[[]"); + translate("[^]]", 0, "[^]]"); + translate("[^a-z]", 0, "[^a-z]"); + translate("[abc\\]]", 0, "[abc\\]]"); + translate("[abc\\]def]", 0, "[abc\\]def]"); + translate("[[:space:]]", 0, "[[:space:]]"); + translate("[^[:space:]]", 0, "[^[:space:]]"); + translate("[![:space:]]", 0, "[^[:space:]]"); + translate("[^a-z]*", 0, "[^a-z].*"); + translate("[^a-z]bar*", 0, "[^a-z]bar.*"); + translate("*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.*.", 0, + ".*\\..*\\..*\\..*\\..*\\..*\\..*\\..*\\." + ".*\\..*\\..*\\..*\\..*\\..*\\..*\\..*\\."); + + translate("\\", REG_EESCAPE, NULL); + translate("[^[:naotuh\\", REG_EBRACK, NULL); + translate("[^[:", REG_EBRACK, NULL); + translate("[^[", REG_EBRACK, NULL); + translate("[^", REG_EBRACK, NULL); + translate("[\\", REG_EBRACK, NULL); + translate("[", REG_EBRACK, NULL); + translate("abc[", REG_EBRACK, NULL); + + try_match("abc*def", "abc012def", 0); + try_match("abc*def", "ab012def", REG_NOMATCH); + try_match("[abc]*def", "a1def", 0); + try_match("[abc]*def", "b1def", 0); + try_match("[abc]*def", "d1def", REG_NOMATCH); + + return 0; +} + +#endif diff --git a/glob.h b/glob.h new file mode 100644 index 0000000..d60c0a2 --- /dev/null +++ b/glob.h @@ -0,0 +1,32 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2007, 2008, 2012 Petr Machata, Red Hat Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#ifndef _GLOB_H_ +#define _GLOB_H_ + +#include +#include + +/* This is akin to regcomp(3), except it compiles a glob expression + * passed in GLOB. See glob(7) for more information about the syntax + * supported by globcomp. */ +int globcomp(regex_t *preg, const char *glob, int cflags); + +#endif /* _GLOB_H_ */ diff --git a/handle_event.c b/handle_event.c index 1dfb82b..42a7a05 100644 --- a/handle_event.c +++ b/handle_event.c @@ -1,18 +1,46 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011,2012 Petr Machata, Red Hat Inc. + * Copyright (C) 2010 Arnaud Patard, Mandriva SA + * Copyright (C) 1998,2001,2002,2003,2004,2007,2008,2009 Juan Cespedes + * Copyright (C) 2008 Luis Machado, IBM Corporation + * Copyright (C) 2006 Ian Wienand + * Copyright (C) 2006 Paul Gilliam, IBM Corporation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include "config.h" #define _GNU_SOURCE +#include +#include +#include #include -#include #include -#include -#include +#include #include +#include "backend.h" +#include "breakpoint.h" #include "common.h" - -#ifdef __powerpc__ -#include -#endif +#include "fetch.h" +#include "library.h" +#include "proc.h" +#include "value_dict.h" static void handle_signal(Event *event); static void handle_exit(Event *event); @@ -25,78 +53,134 @@ static void handle_clone(Event *event); static void handle_exec(Event *event); static void handle_breakpoint(Event *event); static void handle_new(Event *event); -static void remove_proc(Process *proc); static void callstack_push_syscall(Process *proc, int sysnum); static void callstack_push_symfunc(Process *proc, struct library_symbol *sym); -static void callstack_pop(Process *proc); +/* XXX Stack maintenance should be moved to a dedicated module, or to + * proc.c, and push/pop should be visible outside this module. For + * now, because we need this in proc.c, this is non-static. */ +void callstack_pop(struct Process *proc); static char * shortsignal(Process *proc, int signum); static char * sysname(Process *proc, int sysnum); static char * arch_sysname(Process *proc, int sysnum); +static Event * +call_handler(Process * proc, Event * event) +{ + assert(proc != NULL); + + struct event_handler *handler = proc->event_handler; + if (handler == NULL) + return event; + + return (*handler->on_event) (handler, event); +} + void -handle_event(Event *event) { - debug(DEBUG_FUNCTION, "handle_event(pid=%d, type=%d)", event->proc ? event->proc->pid : -1, event->type); +handle_event(Event *event) +{ + if (exiting == 1) { + debug(1, "ltrace about to exit"); + os_ltrace_exiting(); + exiting = 2; + } + debug(DEBUG_FUNCTION, "handle_event(pid=%d, type=%d)", + event->proc ? event->proc->pid : -1, event->type); + + /* If the thread group or an individual task define an + overriding event handler, give them a chance to kick in. + We will end up calling both handlers, if the first one + doesn't sink the event. */ + if (event->proc != NULL) { + event = call_handler(event->proc, event); + if (event == NULL) + /* It was handled. */ + return; + + /* Note: the previous handler has a chance to alter + * the event. */ + if (event->proc != NULL + && event->proc->leader != NULL + && event->proc != event->proc->leader) { + event = call_handler(event->proc->leader, event); + if (event == NULL) + return; + } + } + switch (event->type) { case EVENT_NONE: debug(1, "event: none"); return; case EVENT_SIGNAL: - debug(1, "event: signal (%s [%d])", + debug(1, "[%d] event: signal (%s [%d])", + event->proc->pid, shortsignal(event->proc, event->e_un.signum), event->e_un.signum); handle_signal(event); return; case EVENT_EXIT: - debug(1, "event: exit (%d)", event->e_un.ret_val); + debug(1, "[%d] event: exit (%d)", + event->proc->pid, + event->e_un.ret_val); handle_exit(event); return; case EVENT_EXIT_SIGNAL: - debug(1, "event: exit signal (%s [%d])", + debug(1, "[%d] event: exit signal (%s [%d])", + event->proc->pid, shortsignal(event->proc, event->e_un.signum), event->e_un.signum); handle_exit_signal(event); return; case EVENT_SYSCALL: - debug(1, "event: syscall (%s [%d])", + debug(1, "[%d] event: syscall (%s [%d])", + event->proc->pid, sysname(event->proc, event->e_un.sysnum), event->e_un.sysnum); handle_syscall(event); return; case EVENT_SYSRET: - debug(1, "event: sysret (%s [%d])", + debug(1, "[%d] event: sysret (%s [%d])", + event->proc->pid, sysname(event->proc, event->e_un.sysnum), event->e_un.sysnum); handle_sysret(event); return; case EVENT_ARCH_SYSCALL: - debug(1, "event: arch_syscall (%s [%d])", - arch_sysname(event->proc, event->e_un.sysnum), - event->e_un.sysnum); + debug(1, "[%d] event: arch_syscall (%s [%d])", + event->proc->pid, + arch_sysname(event->proc, event->e_un.sysnum), + event->e_un.sysnum); handle_arch_syscall(event); return; case EVENT_ARCH_SYSRET: - debug(1, "event: arch_sysret (%s [%d])", - arch_sysname(event->proc, event->e_un.sysnum), - event->e_un.sysnum); + debug(1, "[%d] event: arch_sysret (%s [%d])", + event->proc->pid, + arch_sysname(event->proc, event->e_un.sysnum), + event->e_un.sysnum); handle_arch_sysret(event); return; case EVENT_CLONE: - debug(1, "event: clone (%u)", event->e_un.newpid); + case EVENT_VFORK: + debug(1, "[%d] event: clone (%u)", + event->proc->pid, event->e_un.newpid); handle_clone(event); return; case EVENT_EXEC: - debug(1, "event: exec()"); + debug(1, "[%d] event: exec()", + event->proc->pid); handle_exec(event); return; case EVENT_BREAKPOINT: - debug(1, "event: breakpoint"); + debug(1, "[%d] event: breakpoint %p", + event->proc->pid, event->e_un.brk_addr); handle_breakpoint(event); return; case EVENT_NEW: - debug(1, "event: new process"); + debug(1, "[%d] event: new process", + event->e_un.newpid); handle_new(event); return; default: @@ -105,26 +189,6 @@ handle_event(Event *event) { } } -/* TODO */ -static void * -address_clone(void * addr) { - debug(DEBUG_FUNCTION, "address_clone(%p)", addr); - return addr; -} - -static void * -breakpoint_clone(void * bp) { - Breakpoint * b; - debug(DEBUG_FUNCTION, "breakpoint_clone(%p)", bp); - b = malloc(sizeof(Breakpoint)); - if (!b) { - perror("malloc()"); - exit(1); - } - memcpy(b, bp, sizeof(Breakpoint)); - return b; -} - typedef struct Pending_New Pending_New; struct Pending_New { pid_t pid; @@ -171,6 +235,7 @@ pending_new_remove(pid_t pid) { debug(DEBUG_FUNCTION, "pending_new_remove(%d)", pid); p = pending_news; + pred = NULL; if (p->pid == pid) { pending_news = p->next; free(p); @@ -187,41 +252,48 @@ pending_new_remove(pid_t pid) { } static void -handle_clone(Event * event) { - Process *p; - +handle_clone(Event *event) +{ debug(DEBUG_FUNCTION, "handle_clone(pid=%d)", event->proc->pid); - p = malloc(sizeof(Process)); - if (!p) { - perror("malloc()"); - exit(1); + struct Process *proc = malloc(sizeof(*proc)); + if (proc == NULL) { + fail: + free(proc); + fprintf(stderr, + "Error during init of tracing process %d\n" + "This process won't be traced.\n", + event->proc->pid); + return; } - memcpy(p, event->proc, sizeof(Process)); - p->breakpoints = dict_clone(event->proc->breakpoints, address_clone, breakpoint_clone); - p->pid = event->e_un.newpid; - p->parent = event->proc; - - if (pending_new(p->pid)) { - pending_new_remove(p->pid); - if (p->breakpoint_being_enabled) { - enable_breakpoint(p->pid, p->breakpoint_being_enabled); - p->breakpoint_being_enabled = NULL; - } - if (event->proc->state == STATE_ATTACHED && options.follow) { - p->state = STATE_ATTACHED; - } else { - p->state = STATE_IGNORED; - } - continue_process(p->pid); - p->next = list_of_processes; - list_of_processes = p; + + if (process_clone(proc, event->proc, event->e_un.newpid) < 0) + goto fail; + proc->parent = event->proc; + + /* We save register values to the arch pointer, and these need + to be per-thread. */ + proc->arch_ptr = NULL; + + if (pending_new(proc->pid)) { + pending_new_remove(proc->pid); + /* XXX this used to be destroy_event_handler call, but + * I don't think we want to call that on a shared + * state. */ + proc->event_handler = NULL; + if (event->proc->state == STATE_ATTACHED && options.follow) + proc->state = STATE_ATTACHED; + else + proc->state = STATE_IGNORED; + continue_process(proc->pid); } else { - p->state = STATE_BEING_CREATED; - p->next = list_of_processes; - list_of_processes = p; + proc->state = STATE_BEING_CREATED; } - continue_process(event->proc->pid); + + if (event->type == EVENT_VFORK) + continue_after_vfork(proc); + else + continue_process(event->proc->pid); } static void @@ -235,10 +307,6 @@ handle_new(Event * event) { pending_new_insert(event->e_un.newpid); } else { assert(proc->state == STATE_BEING_CREATED); - if (proc->breakpoint_being_enabled) { - enable_breakpoint(proc->pid, proc->breakpoint_being_enabled); - proc->breakpoint_being_enabled = NULL; - } if (options.follow) { proc->state = STATE_ATTACHED; } else { @@ -323,14 +391,7 @@ arch_sysname(Process *proc, int sysnum) { static void handle_signal(Event *event) { debug(DEBUG_FUNCTION, "handle_signal(pid=%d, signum=%d)", event->proc->pid, event->e_un.signum); - if (exiting && event->e_un.signum == SIGSTOP) { - pid_t pid = event->proc->pid; - disable_all_breakpoints(event->proc); - untrace_pid(pid); - remove_proc(event->proc); - return; - } - if (event->proc->state != STATE_IGNORED) { + if (event->proc->state != STATE_IGNORED && !options.no_signals) { output_line(event->proc, "--- %s (%s) ---", shortsignal(event->proc, event->e_un.signum), strsignal(event->e_un.signum)); @@ -345,7 +406,7 @@ handle_exit(Event *event) { output_line(event->proc, "+++ exited (status %d) +++", event->e_un.ret_val); } - remove_proc(event->proc); + remove_process(event->proc); } static void @@ -355,71 +416,80 @@ handle_exit_signal(Event *event) { output_line(event->proc, "+++ killed by %s +++", shortsignal(event->proc, event->e_un.signum)); } - remove_proc(event->proc); + remove_process(event->proc); } static void -remove_proc(Process *proc) { - Process *tmp, *tmp2; +output_syscall(struct Process *proc, const char *name, enum tof tof, + void (*output)(enum tof, struct Process *, + struct library_symbol *)) +{ + struct library_symbol syscall; + if (library_symbol_init(&syscall, 0, name, 0, LS_TOPLT_NONE) >= 0) { + (*output)(tof, proc, &syscall); + library_symbol_destroy(&syscall); + } +} - debug(DEBUG_FUNCTION, "remove_proc(pid=%d)", proc->pid); +static void +output_syscall_left(struct Process *proc, const char *name) +{ + output_syscall(proc, name, LT_TOF_SYSCALL, &output_left); +} - if (list_of_processes == proc) { - tmp = list_of_processes; - list_of_processes = list_of_processes->next; - free(tmp); - return; - } - tmp = list_of_processes; - while (tmp->next) { - if (tmp->next == proc) { - tmp2 = tmp->next; - tmp->next = tmp->next->next; - free(tmp2); - continue; - } - tmp = tmp->next; - } +static void +output_syscall_right(struct Process *proc, const char *name) +{ + output_syscall(proc, name, LT_TOF_SYSCALLR, &output_right); } static void handle_syscall(Event *event) { debug(DEBUG_FUNCTION, "handle_syscall(pid=%d, sysnum=%d)", event->proc->pid, event->e_un.sysnum); if (event->proc->state != STATE_IGNORED) { - if (options.syscalls) { - output_left(LT_TOF_SYSCALL, event->proc, - sysname(event->proc, event->e_un.sysnum)); - } - if (event->proc->breakpoints_enabled == 0) { - enable_all_breakpoints(event->proc); - } callstack_push_syscall(event->proc, event->e_un.sysnum); + if (options.syscalls) + output_syscall_left(event->proc, + sysname(event->proc, + event->e_un.sysnum)); } - continue_process(event->proc->pid); + continue_after_syscall(event->proc, event->e_un.sysnum, 0); } static void handle_exec(Event * event) { Process * proc = event->proc; - pid_t saved_pid; + + /* Save the PID so that we can use it after unsuccessful + * process_exec. */ + pid_t pid = proc->pid; debug(DEBUG_FUNCTION, "handle_exec(pid=%d)", proc->pid); if (proc->state == STATE_IGNORED) { - untrace_pid(proc->pid); - remove_proc(proc); + untrace: + untrace_pid(pid); + remove_process(proc); return; } output_line(proc, "--- Called exec() ---"); - proc->mask_32bit = 0; - proc->personality = 0; - proc->arch_ptr = NULL; - free(proc->filename); - proc->filename = pid2name(proc->pid); - saved_pid = proc->pid; - proc->pid = 0; - breakpoints_init(proc); - proc->pid = saved_pid; - proc->callstack_depth = 0; + + if (process_exec(proc) < 0) { + fprintf(stderr, + "couldn't reinitialize process %d after exec\n", pid); + goto untrace; + } + + continue_process(proc->pid); + + /* After the exec, we expect to hit the first executable + * instruction. + * + * XXX TODO It would be nice to have this removed, but then we + * need to do that also for initial call to wait_for_proc in + * execute_program. In that case we could generate a + * EVENT_FIRST event or something, or maybe this could somehow + * be rolled into EVENT_NEW. */ + wait_for_proc(proc->pid); continue_process(proc->pid); } @@ -427,14 +497,12 @@ static void handle_arch_syscall(Event *event) { debug(DEBUG_FUNCTION, "handle_arch_syscall(pid=%d, sysnum=%d)", event->proc->pid, event->e_un.sysnum); if (event->proc->state != STATE_IGNORED) { + callstack_push_syscall(event->proc, 0xf0000 + event->e_un.sysnum); if (options.syscalls) { - output_left(LT_TOF_SYSCALL, event->proc, - arch_sysname(event->proc, event->e_un.sysnum)); - } - if (event->proc->breakpoints_enabled == 0) { - enable_all_breakpoints(event->proc); + output_syscall_left(event->proc, + arch_sysname(event->proc, + event->e_un.sysnum)); } - callstack_push_syscall(event->proc, 0xf0000 + event->e_un.sysnum); } continue_process(event->proc->pid); } @@ -457,7 +525,7 @@ calc_time_spent(Process *proc) { if (tv.tv_usec >= elem->time_spent.tv_usec) { diff.tv_usec = tv.tv_usec - elem->time_spent.tv_usec; } else { - diff.tv_sec++; + diff.tv_sec--; diff.tv_usec = 1000000 + tv.tv_usec - elem->time_spent.tv_usec; } current_time_spent = diff; @@ -470,13 +538,17 @@ handle_sysret(Event *event) { if (opt_T || options.summary) { calc_time_spent(event->proc); } + if (options.syscalls) + output_syscall_right(event->proc, + sysname(event->proc, + event->e_un.sysnum)); + + assert(event->proc->callstack_depth > 0); + unsigned d = event->proc->callstack_depth - 1; + assert(event->proc->callstack[d].is_syscall); callstack_pop(event->proc); - if (options.syscalls) { - output_right(LT_TOF_SYSCALLR, event->proc, - sysname(event->proc, event->e_un.sysnum)); - } } - continue_process(event->proc->pid); + continue_after_syscall(event->proc, event->e_un.sysnum, 1); } static void @@ -486,105 +558,50 @@ handle_arch_sysret(Event *event) { if (opt_T || options.summary) { calc_time_spent(event->proc); } + if (options.syscalls) + output_syscall_right(event->proc, + arch_sysname(event->proc, + event->e_un.sysnum)); callstack_pop(event->proc); - if (options.syscalls) { - output_right(LT_TOF_SYSCALLR, event->proc, - arch_sysname(event->proc, event->e_un.sysnum)); - } } continue_process(event->proc->pid); } static void -handle_breakpoint(Event *event) { - int i, j; - Breakpoint *sbp; - - debug(DEBUG_FUNCTION, "handle_breakpoint(pid=%d, addr=%p)", event->proc->pid, event->e_un.brk_addr); - debug(2, "event: breakpoint (%p)", event->e_un.brk_addr); - -#ifdef __powerpc__ - /* Need to skip following NOP's to prevent a fake function from being stacked. */ - long stub_addr = (long) get_count_register(event->proc); - Breakpoint *stub_bp = NULL; - char nop_instruction[] = PPC_NOP; +output_right_tos(struct Process *proc) +{ + size_t d = proc->callstack_depth; + struct callstack_element *elem = &proc->callstack[d - 1]; + if (proc->state != STATE_IGNORED) + output_right(LT_TOF_FUNCTIONR, proc, elem->c_un.libfunc); +} - stub_bp = address2bpstruct (event->proc, event->e_un.brk_addr); +#ifndef ARCH_HAVE_SYMBOL_RET +void arch_symbol_ret(struct Process *proc, struct library_symbol *libsym) +{ +} +#endif - if (stub_bp) { - unsigned char *bp_instruction = stub_bp->orig_value; +static void +handle_breakpoint(Event *event) +{ + int i, j; + struct breakpoint *sbp; + Process *leader = event->proc->leader; + void *brk_addr = event->e_un.brk_addr; - if (memcmp(bp_instruction, nop_instruction, - PPC_NOP_LENGTH) == 0) { - if (stub_addr != (long) event->e_un.brk_addr) { - set_instruction_pointer (event->proc, event->e_un.brk_addr + 4); - continue_process(event->proc->pid); - return; - } - } - } -#endif - if ((sbp = event->proc->breakpoint_being_enabled) != 0) { - /* Reinsert breakpoint */ - continue_enabling_breakpoint(event->proc->pid, - event->proc-> - breakpoint_being_enabled); - event->proc->breakpoint_being_enabled = NULL; + /* The leader has terminated. */ + if (leader == NULL) { + continue_process(event->proc->pid); return; } - for (i = event->proc->callstack_depth - 1; i >= 0; i--) { - if (event->e_un.brk_addr == - event->proc->callstack[i].return_addr) { -#ifdef __powerpc__ - /* - * PPC HACK! (XXX FIXME TODO) - * The PLT gets modified during the first call, - * so be sure to re-enable the breakpoint. - */ - unsigned long a; - struct library_symbol *libsym = - event->proc->callstack[i].c_un.libfunc; - void *addr = sym2addr(event->proc, libsym); - - if (libsym->plt_type != LS_TOPLT_POINT) { - unsigned char break_insn[] = BREAKPOINT_VALUE; + debug(DEBUG_FUNCTION, "handle_breakpoint(pid=%d, addr=%p)", + event->proc->pid, brk_addr); + debug(2, "event: breakpoint (%p)", brk_addr); - sbp = address2bpstruct(event->proc, addr); - assert(sbp); - a = ptrace(PTRACE_PEEKTEXT, event->proc->pid, - addr); - - if (memcmp(&a, break_insn, BREAKPOINT_LENGTH)) { - sbp->enabled--; - insert_breakpoint(event->proc, addr, - libsym); - } - } else { - sbp = dict_find_entry(event->proc->breakpoints, sym2addr(event->proc, libsym)); - assert(sbp); - if (addr != sbp->addr) { - insert_breakpoint(event->proc, addr, - libsym); - } - } -#elif defined(__mips__) - void *addr; - void *old_addr; - struct library_symbol *sym= event->proc->callstack[i].c_un.libfunc; - assert(sym); - old_addr = dict_find_entry(event->proc->breakpoints, sym2addr(event->proc, sym))->addr; - addr=sym2addr(event->proc,sym); - assert(old_addr !=0 && addr !=0); - if(addr != old_addr){ - struct library_symbol *new_sym; - new_sym=malloc(sizeof(*new_sym)); - memcpy(new_sym,sym,sizeof(*new_sym)); - new_sym->next=event->proc->list_of_symbols; - event->proc->list_of_symbols=new_sym; - insert_breakpoint(event->proc, addr, new_sym); - } -#endif + for (i = event->proc->callstack_depth - 1; i >= 0; i--) { + if (brk_addr == event->proc->callstack[i].return_addr) { for (j = event->proc->callstack_depth - 1; j > i; j--) { callstack_pop(event->proc); } @@ -593,42 +610,74 @@ handle_breakpoint(Event *event) { calc_time_spent(event->proc); } } + event->proc->return_addr = brk_addr; + + struct library_symbol *libsym = + event->proc->callstack[i].c_un.libfunc; + + arch_symbol_ret(event->proc, libsym); + output_right_tos(event->proc); callstack_pop(event->proc); - event->proc->return_addr = event->e_un.brk_addr; - if (event->proc->state != STATE_IGNORED) { - output_right(LT_TOF_FUNCTIONR, event->proc, - event->proc->callstack[i].c_un.libfunc->name); + + /* Pop also any other entries that seem like + * they are linked to the current one: they + * have the same return address, but were made + * for different symbols. This should only + * happen for entry point tracing, i.e. for -x + * everywhere, or -x and -e on MIPS. */ + while (event->proc->callstack_depth > 0) { + struct callstack_element *prev; + size_t d = event->proc->callstack_depth; + prev = &event->proc->callstack[d - 1]; + + if (prev->c_un.libfunc == libsym + || prev->return_addr != brk_addr) + break; + + arch_symbol_ret(event->proc, + prev->c_un.libfunc); + output_right_tos(event->proc); + callstack_pop(event->proc); + } + + /* Maybe the previous callstack_pop's got rid + * of the breakpoint, but if we are in a + * recursive call, it's still enabled. In + * that case we need to skip it properly. */ + if ((sbp = address2bpstruct(leader, brk_addr)) != NULL) { + continue_after_breakpoint(event->proc, sbp); + } else { + set_instruction_pointer(event->proc, brk_addr); + continue_process(event->proc->pid); } - continue_after_breakpoint(event->proc, - address2bpstruct(event->proc, - event->e_un.brk_addr)); return; } } - if ((sbp = address2bpstruct(event->proc, event->e_un.brk_addr))) { - if (event->proc->state != STATE_IGNORED) { + if ((sbp = address2bpstruct(leader, brk_addr)) != NULL) + breakpoint_on_hit(sbp, event->proc); + else if (event->proc->state != STATE_IGNORED) + output_line(event->proc, + "unexpected breakpoint at %p", brk_addr); + + /* breakpoint_on_hit may delete its own breakpoint, so we have + * to look it up again. */ + if ((sbp = address2bpstruct(leader, brk_addr)) != NULL) { + if (event->proc->state != STATE_IGNORED + && sbp->libsym != NULL) { event->proc->stack_pointer = get_stack_pointer(event->proc); event->proc->return_addr = get_return_addr(event->proc, event->proc->stack_pointer); - output_left(LT_TOF_FUNCTION, event->proc, sbp->libsym->name); callstack_push_symfunc(event->proc, sbp->libsym); + output_left(LT_TOF_FUNCTION, event->proc, sbp->libsym); } -#ifdef PLT_REINITALISATION_BP - if (event->proc->need_to_reinitialize_breakpoints - && (strcmp(sbp->libsym->name, PLTs_initialized_by_here) == - 0)) - reinitialize_breakpoints(event->proc); -#endif - continue_after_breakpoint(event->proc, sbp); + breakpoint_on_continue(sbp, event->proc); return; + } else { + set_instruction_pointer(event->proc, brk_addr); } - if (event->proc->state != STATE_IGNORED) { - output_line(event->proc, "unexpected breakpoint at %p", - (void *)event->e_un.brk_addr); - } continue_process(event->proc->pid); } @@ -639,11 +688,13 @@ callstack_push_syscall(Process *proc, int sysnum) { debug(DEBUG_FUNCTION, "callstack_push_syscall(pid=%d, sysnum=%d)", proc->pid, sysnum); /* FIXME: not good -- should use dynamic allocation. 19990703 mortene. */ if (proc->callstack_depth == MAX_CALLDEPTH - 1) { - fprintf(stderr, "Error: call nesting too deep!\n"); + fprintf(stderr, "%s: Error: call nesting too deep!\n", __func__); + abort(); return; } elem = &proc->callstack[proc->callstack_depth]; + *elem = (struct callstack_element){}; elem->is_syscall = 1; elem->c_un.syscall = sysnum; elem->return_addr = NULL; @@ -662,35 +713,44 @@ callstack_push_symfunc(Process *proc, struct library_symbol *sym) { debug(DEBUG_FUNCTION, "callstack_push_symfunc(pid=%d, symbol=%s)", proc->pid, sym->name); /* FIXME: not good -- should use dynamic allocation. 19990703 mortene. */ if (proc->callstack_depth == MAX_CALLDEPTH - 1) { - fprintf(stderr, "Error: call nesting too deep!\n"); + fprintf(stderr, "%s: Error: call nesting too deep!\n", __func__); + abort(); return; } - elem = &proc->callstack[proc->callstack_depth]; + elem = &proc->callstack[proc->callstack_depth++]; + *elem = (struct callstack_element){}; elem->is_syscall = 0; elem->c_un.libfunc = sym; elem->return_addr = proc->return_addr; - if (elem->return_addr) { - insert_breakpoint(proc, elem->return_addr, 0); - } + if (elem->return_addr) + insert_breakpoint(proc, elem->return_addr, NULL); - proc->callstack_depth++; if (opt_T || options.summary) { struct timezone tz; gettimeofday(&elem->time_spent, &tz); } } -static void -callstack_pop(Process *proc) { +void +callstack_pop(struct Process *proc) +{ struct callstack_element *elem; assert(proc->callstack_depth > 0); debug(DEBUG_FUNCTION, "callstack_pop(pid=%d)", proc->pid); elem = &proc->callstack[proc->callstack_depth - 1]; - if (!elem->is_syscall && elem->return_addr) { + if (!elem->is_syscall && elem->return_addr) delete_breakpoint(proc, elem->return_addr); + + if (elem->fetch_context != NULL) + fetch_arg_done(elem->fetch_context); + + if (elem->arguments != NULL) { + val_dict_destroy(elem->arguments); + free(elem->arguments); } + proc->callstack_depth--; } diff --git a/lens.c b/lens.c new file mode 100644 index 0000000..07cdcca --- /dev/null +++ b/lens.c @@ -0,0 +1,62 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011 Petr Machata, Red Hat Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include + +#include "lens.h" +#include "lens_default.h" +#include "type.h" +#include "value.h" + +int +format_argument(FILE *stream, struct value *value, + struct value_dict *arguments) +{ + /* Find the closest enclosing parental value whose type has a + * lens assigned. */ + struct value *parent; + for (parent = value; (parent != NULL && parent->type != NULL + && parent->type->lens == NULL); + parent = parent->parent) + ; + + struct lens *lens = &default_lens; + if (parent != NULL && parent->type != NULL + && parent->type->lens != NULL) + lens = parent->type->lens; + + return lens_format(lens, stream, value, arguments); +} + +int +lens_format(struct lens *lens, FILE *stream, struct value *value, + struct value_dict *arguments) +{ + assert(lens->format_cb != NULL); + return lens->format_cb(lens, stream, value, arguments); +} + +void +lens_destroy(struct lens *lens) +{ + if (lens != NULL + && lens->destroy_cb != NULL) + lens->destroy_cb(lens); +} diff --git a/lens.h b/lens.h new file mode 100644 index 0000000..f7de3b5 --- /dev/null +++ b/lens.h @@ -0,0 +1,51 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011 Petr Machata, Red Hat Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#ifndef LENS_H +#define LENS_H + +#include +#include "forward.h" + +struct lens { + /* Format VALUE into STREAM. The dictionary of all arguments + * is given for purposes of evaluating array lengths and other + * dynamic expressions. Returns number of characters + * outputted, -1 in case of failure. */ + int (*format_cb)(struct lens *lens, FILE *stream, struct value *value, + struct value_dict *arguments); + + /* Erase any memory allocated for LENS. Keep the LENS pointer + * itself intact. */ + void (*destroy_cb)(struct lens *lens); +}; + +/* Extracts a lens from VALUE and calls lens_format on that. */ +int format_argument(FILE *stream, struct value *value, + struct value_dict *arguments); + +/* Calls format callback associated with LENS. */ +int lens_format(struct lens *lens, FILE *stream, struct value *value, + struct value_dict *arguments); + +/* Calls destroy callback associated with LENS. */ +void lens_destroy(struct lens *lens); + +#endif /* LENS_H */ diff --git a/lens_default.c b/lens_default.c new file mode 100644 index 0000000..ed3d0e1 --- /dev/null +++ b/lens_default.c @@ -0,0 +1,714 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011,2012 Petr Machata, Red Hat Inc. + * Copyright (C) 1998,2004,2007,2008,2009 Juan Cespedes + * Copyright (C) 2006 Ian Wienand + * Copyright (C) 2006 Steve Fink + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include +#include +#include +#include +#include +#include +#include + +#include "proc.h" +#include "lens_default.h" +#include "value.h" +#include "expr.h" +#include "type.h" +#include "common.h" +#include "zero.h" + +#define READER(NAME, TYPE) \ + static int \ + NAME(struct value *value, TYPE *ret, struct value_dict *arguments) \ + { \ + union { \ + TYPE val; \ + unsigned char buf[0]; \ + } u; \ + if (value_extract_buf(value, u.buf, arguments) < 0) \ + return -1; \ + *ret = u.val; \ + return 0; \ + } + +READER(read_float, float) +READER(read_double, double) + +#undef READER + +#define HANDLE_WIDTH(BITS) \ + do { \ + long l; \ + if (value_extract_word(value, &l, arguments) < 0) \ + return -1; \ + int##BITS##_t i = l; \ + uint64_t v = (uint64_t)(uint##BITS##_t)i; \ + switch (format) { \ + case INT_FMT_unknown: \ + if (l < -10000 || l > 10000) \ + case INT_FMT_x: \ + return fprintf(stream, "%#"PRIx64, v); \ + case INT_FMT_i: \ + case INT_FMT_default: \ + return fprintf(stream, "%"PRIi##BITS, i); \ + case INT_FMT_u: \ + return fprintf(stream, "%"PRIu64, v); \ + case INT_FMT_o: \ + return fprintf(stream, "0%"PRIo64, v); \ + } \ + } while (0) + +enum int_fmt_t +{ + INT_FMT_i, + INT_FMT_u, + INT_FMT_o, + INT_FMT_x, + INT_FMT_unknown, + INT_FMT_default, +}; + +static int +format_integer(FILE *stream, struct value *value, enum int_fmt_t format, + struct value_dict *arguments) +{ + switch (type_sizeof(value->inferior, value->type)) { + + case 1: HANDLE_WIDTH(8); + case 2: HANDLE_WIDTH(16); + case 4: HANDLE_WIDTH(32); + case 8: HANDLE_WIDTH(64); + + default: + assert(!"unsupported integer width"); + abort(); + + case -1: + return -1; + } +} + +#undef HANDLE_WIDTH + +static int +acc_fprintf(int *countp, FILE *stream, const char *format, ...) +{ + va_list pa; + va_start(pa, format); + int i = account_output(countp, vfprintf(stream, format, pa)); + va_end(pa); + + return i; +} + +static int +format_char(FILE *stream, struct value *value, struct value_dict *arguments) +{ + long lc; + if (value_extract_word(value, &lc, arguments) < 0) + return -1; + int c = (int)lc; + + const char *fmt; + switch (c) { + case -1: + fmt = "EOF"; + break; + case 0: + fmt = "\\0"; + break; + case '\a': + fmt = "\\a"; + break; + case '\b': + fmt = "\\b"; + break; + case '\t': + fmt = "\\t"; + break; + case '\n': + fmt = "\\n"; + break; + case '\v': + fmt = "\\v"; + break; + case '\f': + fmt = "\\f"; + break; + case '\r': + fmt = "\\r"; + break; + case '\\': + fmt = "\\\\"; + break; + default: + if (isprint(c) || c == ' ') + fmt = "%c"; + else + fmt = "\\%03o"; + } + + return fprintf(stream, fmt, c); +} + +static int +format_naked_char(FILE *stream, struct value *value, + struct value_dict *arguments) +{ + int written = 0; + if (acc_fprintf(&written, stream, "'") < 0 + || account_output(&written, + format_char(stream, value, arguments)) < 0 + || acc_fprintf(&written, stream, "'") < 0) + return -1; + + return written; +} + +static int +format_double(FILE *stream, double value, enum int_fmt_t format) +{ + if (format == INT_FMT_x) + return fprintf(stream, "%a", value); + else + return fprintf(stream, "%f", value); +} + +static int +format_floating(FILE *stream, struct value *value, struct value_dict *arguments, + enum int_fmt_t format) +{ + switch (value->type->type) { + float f; + double d; + case ARGTYPE_FLOAT: + if (read_float(value, &f, arguments) < 0) + return -1; + return format_double(stream, f, format); + case ARGTYPE_DOUBLE: + if (read_double(value, &d, arguments) < 0) + return -1; + return format_double(stream, d, format); + default: + abort(); + } +} + +struct format_argument_data +{ + struct value *value; + struct value_dict *arguments; +}; + +static int +format_argument_cb(FILE *stream, void *ptr) +{ + struct format_argument_data *data = ptr; + return format_argument(stream, data->value, data->arguments); +} + +static int +format_struct(FILE *stream, struct value *value, struct value_dict *arguments) +{ + int written = 0; + if (acc_fprintf(&written, stream, "{ ") < 0) + return -1; + + int need_delim = 0; + size_t i; + for (i = 0; i < type_struct_size(value->type); ++i) { + struct value element; + if (value_init_element(&element, value, i) < 0) + return -1; + + struct format_argument_data data = { &element, arguments }; + int o = delim_output(stream, &need_delim, + format_argument_cb, &data); + value_destroy(&element); + if (o < 0) + return -1; + + written += o; + } + if (acc_fprintf(&written, stream, " }") < 0) + return -1; + return written; +} + +int +format_pointer(FILE *stream, struct value *value, struct value_dict *arguments) +{ + if (value_is_zero(value, arguments)) + return fprintf(stream, "nil"); + + /* The following is for detecting recursion. We keep track of + * the values that were already displayed. Each time a + * pointer should be dereferenced, we compare its value to the + * value of each of the pointers dereferenced so far. If one + * of them matches, instead of recursing, we just printf which + * superstructure this pointer recurses to. */ + static struct vect pointers = {}; + if (pointers.elt_size == 0) + VECT_INIT(&pointers, struct value *); + + /* Trim number of expanded structures of the same type. Even + * for non-recursive structure, we don't want to expand all of + * it if it's huge. */ + size_t i; + size_t len = vect_size(&pointers); + assert(value->type->type == ARGTYPE_POINTER); + struct arg_type_info *pointee = value->type->u.ptr_info.info; + if (pointee->type == ARGTYPE_STRUCT) { + size_t depth = 0; + for (i = 0; i < len; ++i) { + struct value *old + = *VECT_ELEMENT(&pointers, struct value *, i); + assert(old->type->type == ARGTYPE_POINTER); + struct arg_type_info *old_pointee + = old->type->u.ptr_info.info; + if (old_pointee == pointee) + depth++; + } + if (depth >= options.arraylen) + return fprintf(stream, "..."); + } + + for (i = len; i-- > 0 ;) { + struct value **old = VECT_ELEMENT(&pointers, struct value *, i); + int rc = value_equal(value, *old, arguments); + if (rc < 0) + return -1; + if (rc > 0) { + size_t reclevel = len - i - 1; + char buf[reclevel + 1]; + memset(buf, '^', sizeof buf); + buf[reclevel] = 0; + return fprintf(stream, "recurse%s", buf); + } + } + + /* OK, not a recursion. Remember this value for tracking. */ + if (VECT_PUSHBACK(&pointers, &value) < 0) + return -1; + + struct value element; + int o; + if (value_init_deref(&element, value) < 0) { + o = -1; + goto done; + } + o = format_argument(stream, &element, arguments); + value_destroy(&element); + +done: + vect_popback(&pointers); + return o; +} + +/* + * LENGTH is an expression whose evaluation will yield the actual + * length of the array. + * + * MAXLEN is the actual maximum length that we care about + * + * BEFORE if LENGTH>MAXLEN, we display ellipsis. We display it before + * the closing parenthesis if BEFORE, otherwise after it. + * + * OPEN, CLOSE, DELIM are opening and closing parenthesis and element + * delimiter. + */ +int +format_array(FILE *stream, struct value *value, struct value_dict *arguments, + struct expr_node *length, size_t maxlen, int before, + const char *open, const char *close, const char *delim) +{ + /* We need "long" to be long enough to cover the whole address + * space. */ + typedef char assert__long_enough_long[-(sizeof(long) < sizeof(void *))]; + long l; + if (expr_eval_word(length, value, arguments, &l) < 0) + return -1; + size_t len = (size_t)l; + + int written = 0; + if (acc_fprintf(&written, stream, "%s", open) < 0) + return -1; + + size_t i; + for (i = 0; i < len && i <= maxlen; ++i) { + if (i == maxlen) { + if (before && acc_fprintf(&written, stream, "...") < 0) + return -1; + break; + } + + if (i > 0 && acc_fprintf(&written, stream, "%s", delim) < 0) + return -1; + + struct value element; + if (value_init_element(&element, value, i) < 0) + return -1; + int o = format_argument(stream, &element, arguments); + value_destroy(&element); + if (o < 0) + return -1; + written += o; + } + if (acc_fprintf(&written, stream, "%s", close) < 0) + return -1; + if (i == maxlen && !before && acc_fprintf(&written, stream, "...") < 0) + return -1; + + return written; +} + +static int +toplevel_format_lens(struct lens *lens, FILE *stream, + struct value *value, struct value_dict *arguments, + enum int_fmt_t int_fmt) +{ + switch (value->type->type) { + case ARGTYPE_VOID: + return fprintf(stream, ""); + + case ARGTYPE_SHORT: + case ARGTYPE_INT: + case ARGTYPE_LONG: + return format_integer(stream, value, int_fmt, arguments); + + case ARGTYPE_USHORT: + case ARGTYPE_UINT: + case ARGTYPE_ULONG: + if (int_fmt == INT_FMT_i || int_fmt == INT_FMT_default) + int_fmt = INT_FMT_u; + return format_integer(stream, value, int_fmt, arguments); + + case ARGTYPE_CHAR: + if (int_fmt == INT_FMT_default) + return format_naked_char(stream, value, arguments); + return format_integer(stream, value, int_fmt, arguments); + + case ARGTYPE_FLOAT: + case ARGTYPE_DOUBLE: + return format_floating(stream, value, arguments, int_fmt); + + case ARGTYPE_STRUCT: + return format_struct(stream, value, arguments); + + case ARGTYPE_POINTER: + if (value->type->u.array_info.elt_type->type != ARGTYPE_VOID) + return format_pointer(stream, value, arguments); + return format_integer(stream, value, INT_FMT_x, arguments); + + case ARGTYPE_ARRAY: + return format_array(stream, value, arguments, + value->type->u.array_info.length, + options.arraylen, 1, "[ ", " ]", ", "); + } + abort(); +} + +static int +default_lens_format_cb(struct lens *lens, FILE *stream, + struct value *value, struct value_dict *arguments) +{ + return toplevel_format_lens(lens, stream, value, arguments, + INT_FMT_default); +} + +struct lens default_lens = { + .format_cb = default_lens_format_cb, +}; + + +static int +blind_lens_format_cb(struct lens *lens, FILE *stream, + struct value *value, struct value_dict *arguments) +{ + return 0; +} + +struct lens blind_lens = { + .format_cb = blind_lens_format_cb, +}; + + +static int +octal_lens_format_cb(struct lens *lens, FILE *stream, + struct value *value, struct value_dict *arguments) +{ + return toplevel_format_lens(lens, stream, value, arguments, INT_FMT_o); +} + +struct lens octal_lens = { + .format_cb = octal_lens_format_cb, +}; + + +static int +hex_lens_format_cb(struct lens *lens, FILE *stream, + struct value *value, struct value_dict *arguments) +{ + return toplevel_format_lens(lens, stream, value, arguments, INT_FMT_x); +} + +struct lens hex_lens = { + .format_cb = hex_lens_format_cb, +}; + + +static int +dec_lens_format_cb(struct lens *lens, FILE *stream, + struct value *value, struct value_dict *arguments) +{ + return toplevel_format_lens(lens, stream, value, arguments, INT_FMT_u); +} + +struct lens dec_lens = { + .format_cb = dec_lens_format_cb, +}; + + +static int +guess_lens_format_cb(struct lens *lens, FILE *stream, + struct value *value, struct value_dict *arguments) +{ + return toplevel_format_lens(lens, stream, value, arguments, + INT_FMT_unknown); +} + +struct lens guess_lens = { + .format_cb = guess_lens_format_cb, +}; + + +static int +bool_lens_format_cb(struct lens *lens, FILE *stream, + struct value *value, struct value_dict *arguments) +{ + switch (value->type->type) { + case ARGTYPE_VOID: + case ARGTYPE_FLOAT: + case ARGTYPE_DOUBLE: + case ARGTYPE_STRUCT: + case ARGTYPE_POINTER: + case ARGTYPE_ARRAY: + return toplevel_format_lens(lens, stream, value, + arguments, INT_FMT_default); + + int zero; + case ARGTYPE_SHORT: + case ARGTYPE_INT: + case ARGTYPE_LONG: + case ARGTYPE_USHORT: + case ARGTYPE_UINT: + case ARGTYPE_ULONG: + case ARGTYPE_CHAR: + if ((zero = value_is_zero(value, arguments)) < 0) + return -1; + if (zero) + return fprintf(stream, "false"); + else + return fprintf(stream, "true"); + } + abort(); +} + +struct lens bool_lens = { + .format_cb = bool_lens_format_cb, +}; + + +static int +string_lens_format_cb(struct lens *lens, FILE *stream, + struct value *value, struct value_dict *arguments) +{ + switch (value->type->type) { + case ARGTYPE_POINTER: + /* This should really be written as either "string", + * or, if lens, then string(array(char, zero)*). But + * I suspect people are so used to the char * C idiom, + * that string(char *) might actually turn up. So + * let's just support it. */ + if (value->type->u.ptr_info.info->type == ARGTYPE_CHAR) { + struct arg_type_info info[2]; + type_init_array(&info[1], + value->type->u.ptr_info.info, 0, + expr_node_zero(), 0); + type_init_pointer(&info[0], &info[1], 0); + info->lens = lens; + info->own_lens = 0; + struct value tmp; + if (value_clone(&tmp, value) < 0) + return -1; + value_set_type(&tmp, info, 0); + int ret = string_lens_format_cb(lens, stream, &tmp, + arguments); + type_destroy(&info[0]); + type_destroy(&info[1]); + value_destroy(&tmp); + return ret; + } + + /* fall-through */ + case ARGTYPE_VOID: + case ARGTYPE_FLOAT: + case ARGTYPE_DOUBLE: + case ARGTYPE_STRUCT: + case ARGTYPE_SHORT: + case ARGTYPE_INT: + case ARGTYPE_LONG: + case ARGTYPE_USHORT: + case ARGTYPE_UINT: + case ARGTYPE_ULONG: + return toplevel_format_lens(lens, stream, value, + arguments, INT_FMT_default); + + case ARGTYPE_CHAR: + return format_char(stream, value, arguments); + + case ARGTYPE_ARRAY: + return format_array(stream, value, arguments, + value->type->u.array_info.length, + options.strlen, 0, "\"", "\"", ""); + } + abort(); +} + +struct lens string_lens = { + .format_cb = string_lens_format_cb, +}; + +static int +out_bits(FILE *stream, size_t low, size_t high) +{ + if (low == high) + return fprintf(stream, "%zd", low); + else + return fprintf(stream, "%zd-%zd", low, high); +} + +static unsigned +bitcount(unsigned u) +{ + int c = 0; + for (; u > 0; u &= u - 1) + c++; + return c; +} + +static int +bitvect_lens_format_cb(struct lens *lens, FILE *stream, + struct value *value, struct value_dict *arguments) +{ + unsigned char *data = value_get_data(value, arguments); + if (data == NULL) + return -1; + size_t sz = type_sizeof(value->inferior, value->type); + if (sz == (size_t)-1) + return -1; + + size_t i; + unsigned char buf[sz]; + switch ((int)value->type->type) { + union bitvect_integral_64 + { + uint8_t u8; + uint16_t u16; + uint32_t u32; + uint64_t u64; + unsigned char buf[0]; + } bv; + + case ARGTYPE_POINTER: + return format_pointer(stream, value, arguments); + + case ARGTYPE_STRUCT: + case ARGTYPE_ARRAY: + break; + + default: + assert(sz <= sizeof(bv)); + memmove(bv.buf, data, sz); + + if (sz == 1) + bv.u64 = bv.u8; + else if (sz == 2) + bv.u64 = bv.u16; + else if (sz == 4) + bv.u64 = bv.u32; + + for (i = 0; i < sz; ++i) { + buf[i] = bv.u64 & 0xff; + bv.u64 >>= 8; + } + data = buf; + } + + size_t bits = 0; + for (i = 0; i < sz; ++i) + bits += bitcount(data[i]); + + /* If there's more 1's than 0's, show inverse. */ + unsigned neg = bits > sz * 4 ? 0xff : 0x00; + + int o = 0; + if (acc_fprintf(&o, stream, "%s<", "~" + (neg == 0x00)) < 0) + return -1; + + size_t bitno = 0; + ssize_t low = -1; + for (i = 0; i < sz; ++i) { + unsigned char m; + unsigned char d = data[i] ^ neg; + for (m = 0x01; m != 0; m <<= 1) { + int bit = !!(m & d); + if (low < 0) { + if (bit) { + if (low == -2 + && acc_fprintf(&o, stream, ",") < 0) + return -1; + low = bitno; + } + } else if (!bit) { + if (account_output(&o, out_bits(stream, low, + bitno-1)) < 0) + return -1; + low = -2; + } + bitno++; + } + } + if (low >= 0 && account_output(&o, out_bits(stream, low, bitno-1)) < 0) + return -1; + + if (fputc('>', stream) < 0) + return -1; + o += 1; + + return o; +} + +struct lens bitvect_lens = { + .format_cb = bitvect_lens_format_cb, +}; diff --git a/lens_default.h b/lens_default.h new file mode 100644 index 0000000..1206ffc --- /dev/null +++ b/lens_default.h @@ -0,0 +1,52 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011, 2012 Petr Machata, Red Hat Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#ifndef LENS_DEFAULT_H +#define LENS_DEFAULT_H + +#include "lens.h" + +/* Default lens that does reasonable job for most cases. */ +extern struct lens default_lens; + +/* A lens that doesn't output anything. */ +extern struct lens blind_lens; + +/* A lens that formats integers in octal. */ +extern struct lens octal_lens; + +/* A lens that formats integers in hexadecimal. */ +extern struct lens hex_lens; + +/* A lens that formats integers as either "true" or "false". */ +extern struct lens bool_lens; + +/* A lens that tries to guess whether the value is "large" (i.e. a + * pointer, and should be formatted in hex), or "small" (and should be + * formatted in decimal). */ +extern struct lens guess_lens; + +/* A lens for strings. */ +extern struct lens string_lens; + +/* A lens for bit vector. */ +extern struct lens bitvect_lens; + +#endif /* LENS_DEFAULT_H */ diff --git a/lens_enum.c b/lens_enum.c new file mode 100644 index 0000000..052d6a9 --- /dev/null +++ b/lens_enum.c @@ -0,0 +1,159 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011, 2012 Petr Machata, Red Hat Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include +#include +#include + +#include "lens_enum.h" +#include "lens_default.h" +#include "value.h" +#include "sysdep.h" +#include "type.h" + +struct enum_entry { + char *key; + int own_key; + struct value *value; + int own_value; +}; + +static void +enum_entry_dtor(struct enum_entry *entry, void *data) +{ + if (entry->own_key) + free(entry->key); + if (entry->own_value) { + value_destroy(entry->value); + free(entry->value); + } +} + +static void +enum_lens_destroy_cb(struct lens *lens) +{ + struct enum_lens *self = (void *)lens; + + VECT_DESTROY(&self->entries, struct enum_entry, + enum_entry_dtor, NULL); +} + +enum { +#ifdef ARCH_ENDIAN_BIG + big_endian = 1, +#elif defined (ARCH_ENDIAN_LITTLE) + big_endian = 0, +#else +# error Undefined endianness. +#endif +}; + +/* Returns 0 if they are not equal, >0 if they are, and <0 if there + * was an error. */ +static int +enum_values_equal(struct value *inf_value, struct value *enum_value, + struct value_dict *arguments) +{ + /* Width may not match between what's defined in config file + * and what arrives from the back end. Typically, if there is + * a mismatch, the config file size will be larger, as we are + * in a situation where 64-bit tracer traces 32-bit process. + * But opposite situation can occur e.g. on PPC, where it's + * apparently possible for 32-bit tracer to trace 64-bit + * inferior, or hypothetically in a x32/x86_64 situation. */ + + unsigned char *inf_data = value_get_data(inf_value, arguments); + size_t inf_sz = value_size(inf_value, arguments); + if (inf_data == NULL || inf_sz == (size_t)-1) + return -1; + + assert(inf_value->type->type == enum_value->type->type); + + unsigned char *enum_data = value_get_data(enum_value, arguments); + size_t enum_sz = value_size(enum_value, arguments); + if (enum_data == NULL || enum_sz == (size_t)-1) + return -1; + + size_t sz = enum_sz > inf_sz ? inf_sz : enum_sz; + + if (big_endian) + return memcmp(enum_data + enum_sz - sz, + inf_data + inf_sz - sz, sz) == 0; + else + return memcmp(enum_data, inf_data, sz) == 0; +} + +static const char * +enum_get(struct enum_lens *lens, struct value *value, + struct value_dict *arguments) +{ + size_t i; + for (i = 0; i < vect_size(&lens->entries); ++i) { + struct enum_entry *entry = VECT_ELEMENT(&lens->entries, + struct enum_entry, i); + int st = enum_values_equal(value, entry->value, arguments); + if (st < 0) + return NULL; + else if (st != 0) + return entry->key; + } + return NULL; +} + +static int +enum_lens_format_cb(struct lens *lens, FILE *stream, + struct value *value, struct value_dict *arguments) +{ + struct enum_lens *self = (void *)lens; + + const char *name = enum_get(self, value, arguments); + if (name != NULL) + return fprintf(stream, "%s", name); + + return lens_format(&default_lens, stream, value, arguments); +} + + +void +lens_init_enum(struct enum_lens *lens) +{ + *lens = (struct enum_lens){ + { + .format_cb = enum_lens_format_cb, + .destroy_cb = enum_lens_destroy_cb, + }, + }; + VECT_INIT(&lens->entries, struct enum_entry); +} + +int +lens_enum_add(struct enum_lens *lens, + const char *key, int own_key, + struct value *value, int own_value) +{ + struct enum_entry entry = { (char *)key, own_key, value, own_value }; + return VECT_PUSHBACK(&lens->entries, &entry); +} + +size_t +lens_enum_size(struct enum_lens *lens) +{ + return vect_size(&lens->entries); +} diff --git a/lens_enum.h b/lens_enum.h new file mode 100644 index 0000000..8edd1a5 --- /dev/null +++ b/lens_enum.h @@ -0,0 +1,47 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011, 2012 Petr Machata, Red Hat Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#ifndef LENS_ENUM_H +#define LENS_ENUM_H + +#include "lens.h" +#include "vect.h" + +struct enum_lens { + struct lens super; + struct vect entries; +}; + +/* Init enumeration LENS. */ +void lens_init_enum(struct enum_lens *lens); + +/* Push another member of the enumeration, named KEY, with given + * VALUE. If OWN_KEY, KEY is owned and released after the type is + * destroyed. KEY is typed as const char *, but note that if OWN_KEY, + * this value will be freed. If OWN_VALUE, then VALUE is owned and + * destroyed by LENS. */ +int lens_enum_add(struct enum_lens *lens, + const char *key, int own_key, + struct value *value, int own_value); + +/* Return number of enum elements of type INFO. */ +size_t lens_enum_size(struct enum_lens *lens); + +#endif /* LENS_ENUM_H */ diff --git a/libltrace.c b/libltrace.c index 0f48d11..559edfa 100644 --- a/libltrace.c +++ b/libltrace.c @@ -1,66 +1,93 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011,2012 Petr Machata, Red Hat Inc. + * Copyright (C) 2009 Juan Cespedes + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include "config.h" +#include +#include +#include +#include #include #include -#include #include -#include -#include -#include -#include +#include #include "common.h" +#include "proc.h" +#include "read_config_file.h" +#include "backend.h" char *command = NULL; -Process *list_of_processes = NULL; int exiting = 0; /* =1 if a SIGINT or SIGTERM has been received */ -static void -signal_alarm(int sig) { - Process *tmp = list_of_processes; +static enum callback_status +stop_non_p_processes(Process *proc, void *data) +{ + int stop = 1; - signal(SIGALRM, SIG_DFL); - while (tmp) { - struct opt_p_t *tmp2 = opt_p; - while (tmp2) { - if (tmp->pid == tmp2->pid) { - tmp = tmp->next; - if (!tmp) { - return; - } - tmp2 = opt_p; - continue; - } - tmp2 = tmp2->next; + struct opt_p_t *it; + for (it = opt_p; it != NULL; it = it->next) { + Process * p_proc = pid2proc(it->pid); + if (p_proc == NULL) { + printf("stop_non_p_processes: %d terminated?\n", it->pid); + continue; + } + if (p_proc == proc || p_proc->leader == proc->leader) { + stop = 0; + break; } - debug(2, "Sending SIGSTOP to process %u\n", tmp->pid); - kill(tmp->pid, SIGSTOP); - tmp = tmp->next; } + + if (stop) { + debug(2, "Sending SIGSTOP to process %u", proc->pid); + kill(proc->pid, SIGSTOP); + } + + return CBS_CONT; } static void -signal_exit(int sig) { - exiting = 1; - debug(1, "Received interrupt signal; exiting..."); +signal_alarm(int sig) { + signal(SIGALRM, SIG_DFL); + each_process(NULL, &stop_non_p_processes, NULL); +} + +static void +signal_exit(int sig) +{ + if (exiting != 0) + return; + + exiting = 1 + !!os_ltrace_exiting_sighandler(); + signal(SIGINT, SIG_IGN); signal(SIGTERM, SIG_IGN); signal(SIGALRM, signal_alarm); - if (opt_p) { - struct opt_p_t *tmp = opt_p; - while (tmp) { - debug(2, "Sending SIGSTOP to process %u\n", tmp->pid); - kill(tmp->pid, SIGSTOP); - tmp = tmp->next; - } - } - alarm(1); + //alarm(1); } static void -normal_exit(void) { - output_line(0, 0); +normal_exit(void) +{ if (options.summary) { show_summary(); } @@ -79,6 +106,7 @@ ltrace_init(int argc, char **argv) { signal(SIGTERM, signal_exit); /* ... or killed */ argv = process_options(argc, argv); + init_global_config(); while (opt_F) { /* If filename begins with ~, expand it to the user's home */ /* directory. This does not correctly handle ~yoda, but that */ @@ -98,17 +126,30 @@ ltrace_init(int argc, char **argv) { } else { read_config_file(opt_F->filename); } - opt_F = opt_F->next; - } - if (opt_e) { - struct opt_e_t *tmp = opt_e; - while (tmp) { - debug(1, "Option -e: %s\n", tmp->name); - tmp = tmp->next; - } + + struct opt_F_t *next = opt_F->next; + if (opt_F->own_filename) + free(opt_F->filename); + free(opt_F); + opt_F = next; } if (command) { - execute_program(open_program(command, 0), argv); + /* Check that the binary ABI is supported before + * calling execute_program. */ + struct ltelf lte = {}; + open_elf(<e, command); + do_close_elf(<e); + + pid_t pid = execute_program(command, argv); + struct Process *proc = open_program(command, pid); + if (proc == NULL) { + fprintf(stderr, "couldn't open program '%s': %s\n", + command, strerror(errno)); + exit(EXIT_FAILURE); + } + + trace_set_options(proc); + continue_process(pid); } opt_p_tmp = opt_p; while (opt_p_tmp) { diff --git a/library.c b/library.c new file mode 100644 index 0000000..594472b --- /dev/null +++ b/library.c @@ -0,0 +1,428 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011,2012 Petr Machata, Red Hat Inc. + * Copyright (C) 2001,2009 Juan Cespedes + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include +#include +#include +#include + +#include "library.h" +#include "callback.h" +#include "debug.h" +#include "dict.h" +#include "backend.h" // for arch_library_symbol_init, arch_library_init + +#ifndef ARCH_HAVE_LIBRARY_DATA +void +arch_library_init(struct library *lib) +{ +} + +void +arch_library_destroy(struct library *lib) +{ +} + +void +arch_library_clone(struct library *retp, struct library *lib) +{ +} +#endif + +#ifndef ARCH_HAVE_LIBRARY_SYMBOL_DATA +int +arch_library_symbol_init(struct library_symbol *libsym) +{ + return 0; +} + +void +arch_library_symbol_destroy(struct library_symbol *libsym) +{ +} + +int +arch_library_symbol_clone(struct library_symbol *retp, + struct library_symbol *libsym) +{ + return 0; +} +#endif + +unsigned int +target_address_hash(const void *key) +{ + /* XXX this assumes that key is passed by value. */ + union { + arch_addr_t addr; + unsigned int ints[sizeof(arch_addr_t) + / sizeof(unsigned int)]; + } u = { .addr = (arch_addr_t)key }; + + size_t i; + unsigned int h = 0; + for (i = 0; i < sizeof(u.ints) / sizeof(*u.ints); ++i) + h ^= dict_key2hash_int((void *)(uintptr_t)u.ints[i]); + return h; +} + +int +target_address_cmp(const void *key1, const void *key2) +{ + /* XXX this assumes that key is passed by value. */ + arch_addr_t addr1 = (arch_addr_t)key1; + arch_addr_t addr2 = (arch_addr_t)key2; + return addr1 < addr2 ? 1 + : addr1 > addr2 ? -1 : 0; +} + +/* If the other symbol owns the name, we need to make the copy, so + * that the life-times of the two symbols are not dependent on each + * other. */ +static int +strdup_if_owned(const char **retp, const char *str, int owned) +{ + if (!owned || str == NULL) { + *retp = str; + return 0; + } else { + *retp = strdup(str); + return *retp != NULL ? 0 : -1; + } +} + +static void +private_library_symbol_init(struct library_symbol *libsym, + arch_addr_t addr, + const char *name, int own_name, + enum toplt type_of_plt, + int latent, int delayed) +{ + libsym->next = NULL; + libsym->lib = NULL; + libsym->plt_type = type_of_plt; + libsym->name = name; + libsym->own_name = own_name; + libsym->latent = latent; + libsym->delayed = delayed; + libsym->enter_addr = (void *)(uintptr_t)addr; +} + +static void +private_library_symbol_destroy(struct library_symbol *libsym) +{ + library_symbol_set_name(libsym, NULL, 0); +} + +int +library_symbol_init(struct library_symbol *libsym, + arch_addr_t addr, const char *name, int own_name, + enum toplt type_of_plt) +{ + private_library_symbol_init(libsym, addr, name, own_name, + type_of_plt, 0, 0); + + /* If arch init fails, we've already set libsym->name and + * own_name. But we return failure, and the client code isn't + * supposed to call library_symbol_destroy in such a case. */ + return arch_library_symbol_init(libsym); +} + +void +library_symbol_destroy(struct library_symbol *libsym) +{ + if (libsym != NULL) { + private_library_symbol_destroy(libsym); + arch_library_symbol_destroy(libsym); + } +} + +int +library_symbol_clone(struct library_symbol *retp, struct library_symbol *libsym) +{ + const char *name; + if (strdup_if_owned(&name, libsym->name, libsym->own_name) < 0) + return -1; + + private_library_symbol_init(retp, libsym->enter_addr, + name, libsym->own_name, libsym->plt_type, + libsym->latent, libsym->delayed); + + if (arch_library_symbol_clone(retp, libsym) < 0) { + private_library_symbol_destroy(retp); + return -1; + } + + return 0; +} + +int +library_symbol_cmp(struct library_symbol *a, struct library_symbol *b) +{ + if (a->enter_addr < b->enter_addr) + return -1; + if (a->enter_addr > b->enter_addr) + return 1; + if (a->name != NULL && b->name != NULL) + return strcmp(a->name, b->name); + if (a->name == NULL) { + if (b->name == NULL) + return 0; + return -1; + } + return 1; +} + +void +library_symbol_set_name(struct library_symbol *libsym, + const char *name, int own_name) +{ + if (libsym->own_name) + free((char *)libsym->name); + libsym->name = name; + libsym->own_name = own_name; +} + +enum callback_status +library_symbol_equal_cb(struct library_symbol *libsym, void *u) +{ + struct library_symbol *standard = u; + return library_symbol_cmp(libsym, standard) == 0 ? CBS_STOP : CBS_CONT; +} + +enum callback_status +library_symbol_named_cb(struct library_symbol *libsym, void *name) +{ + return strcmp(libsym->name, name) == 0 ? CBS_STOP : CBS_CONT; +} + +enum callback_status +library_symbol_delayed_cb(struct library_symbol *libsym, void *unused) +{ + return libsym->delayed ? CBS_STOP : CBS_CONT; +} + +static void +private_library_init(struct library *lib, enum library_type type) +{ + lib->next = NULL; + + lib->key = 0; + lib->base = 0; + lib->entry = 0; + lib->dyn_addr = 0; + + lib->soname = NULL; + lib->own_soname = 0; + + lib->pathname = NULL; + lib->own_pathname = 0; + + lib->symbols = NULL; + lib->exported_names = NULL; + lib->type = type; +} + +void +library_init(struct library *lib, enum library_type type) +{ + private_library_init(lib, type); + arch_library_init(lib); +} + +static int +library_exported_name_clone(struct library_exported_name *retp, + struct library_exported_name *exnm) +{ + char *name = exnm->own_name ? strdup(exnm->name) : (char *)exnm->name; + if (name == NULL) + return -1; + retp->name = name; + retp->own_name = exnm->own_name; + return 0; +} + +int +library_clone(struct library *retp, struct library *lib) +{ + const char *soname = NULL; + const char *pathname; + if (strdup_if_owned(&soname, lib->soname, lib->own_soname) < 0 + || strdup_if_owned(&pathname, + lib->pathname, lib->own_pathname) < 0) { + if (lib->own_soname) + free((char *)soname); + return -1; + } + + private_library_init(retp, lib->type); + library_set_soname(retp, soname, lib->own_soname); + library_set_pathname(retp, pathname, lib->own_pathname); + arch_library_clone(retp, lib); + + retp->key = lib->key; + + /* Clone symbols. */ + { + struct library_symbol *it; + struct library_symbol **nsymp = &retp->symbols; + for (it = lib->symbols; it != NULL; it = it->next) { + *nsymp = malloc(sizeof(**nsymp)); + if (*nsymp == NULL + || library_symbol_clone(*nsymp, it) < 0) { + free(*nsymp); + fail: + /* Release what we managed to allocate. */ + library_destroy(retp); + return -1; + } + + (*nsymp)->lib = retp; + nsymp = &(*nsymp)->next; + } + *nsymp = NULL; + } + + /* Clone exported names. */ + { + struct library_exported_name *it; + struct library_exported_name **nnamep = &retp->exported_names; + for (it = lib->exported_names; it != NULL; it = it->next) { + *nnamep = malloc(sizeof(**nnamep)); + if (*nnamep == NULL + || library_exported_name_clone(*nnamep, it) < 0) { + free(*nnamep); + goto fail; + } + nnamep = &(*nnamep)->next; + } + *nnamep = NULL; + } + + return 0; +} + +void +library_destroy(struct library *lib) +{ + if (lib == NULL) + return; + + arch_library_destroy(lib); + library_set_soname(lib, NULL, 0); + library_set_pathname(lib, NULL, 0); + + struct library_symbol *sym; + for (sym = lib->symbols; sym != NULL; ) { + struct library_symbol *next = sym->next; + library_symbol_destroy(sym); + free(sym); + sym = next; + } + + /* Release exported names. */ + struct library_exported_name *it; + for (it = lib->exported_names; it != NULL; ) { + struct library_exported_name *next = it->next; + if (it->own_name) + free((char *)it->name); + free(it); + it = next; + } +} + +void +library_set_soname(struct library *lib, const char *new_name, int own_name) +{ + if (lib->own_soname) + free((char *)lib->soname); + lib->soname = new_name; + lib->own_soname = own_name; +} + +void +library_set_pathname(struct library *lib, const char *new_name, int own_name) +{ + if (lib->own_pathname) + free((char *)lib->pathname); + lib->pathname = new_name; + lib->own_pathname = own_name; +} + +struct library_symbol * +library_each_symbol(struct library *lib, struct library_symbol *start_after, + enum callback_status (*cb)(struct library_symbol *, void *), + void *data) +{ + struct library_symbol *it = start_after == NULL ? lib->symbols + : start_after->next; + + while (it != NULL) { + struct library_symbol *next = it->next; + + switch ((*cb)(it, data)) { + case CBS_FAIL: + /* XXX handle me */ + case CBS_STOP: + return it; + case CBS_CONT: + break; + } + + it = next; + } + + return NULL; +} + +void +library_add_symbol(struct library *lib, struct library_symbol *first) +{ + struct library_symbol *last; + for (last = first; last != NULL; ) { + last->lib = lib; + if (last->next != NULL) + last = last->next; + else + break; + } + + assert(last->next == NULL); + last->next = lib->symbols; + lib->symbols = first; +} + +enum callback_status +library_named_cb(struct Process *proc, struct library *lib, void *name) +{ + if (name == lib->soname + || strcmp(lib->soname, (char *)name) == 0) + return CBS_STOP; + else + return CBS_CONT; +} + +enum callback_status +library_with_key_cb(struct Process *proc, struct library *lib, void *keyp) +{ + return lib->key == *(arch_addr_t *)keyp ? CBS_STOP : CBS_CONT; +} diff --git a/library.h b/library.h new file mode 100644 index 0000000..555fa80 --- /dev/null +++ b/library.h @@ -0,0 +1,226 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2012 Petr Machata, Red Hat Inc. + * Copyright (C) 2006 Paul Gilliam, IBM Corporation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#ifndef _LIBRARY_H_ +#define _LIBRARY_H_ + +#include +#include "callback.h" +#include "sysdep.h" + +struct Process; +struct library; + +enum toplt { + LS_TOPLT_NONE = 0, /* PLT not used for this symbol. */ + LS_TOPLT_EXEC, /* PLT for this symbol is executable. */ +}; + +/* Dict interface. */ +unsigned int target_address_hash(const void *key); +int target_address_cmp(const void *key1, const void *key2); + +/* For handling -l. */ +struct library_exported_name { + struct library_exported_name *next; + const char *name; + int own_name : 1; +}; + +struct library_symbol { + struct library_symbol *next; + struct library *lib; + const char *name; + arch_addr_t enter_addr; + enum toplt plt_type; + int own_name : 1; + + /* This is relevant for PLT symbols. Latent PLT symbols are + * those that don't match any of the -e rules, but that might + * potentially become active if a library implementing them + * appears that matches a -l rule. Ltrace core is responsible + * for clearing latent flag. */ + int latent : 1; + + /* Delayed symbols are those for which a breakpoint shouldn't + * be enabled yet. They are similar to latent symbols, but + * backend is responsible for clearing the delayed flag. See + * proc_activate_delayed_symbol. */ + int delayed : 1; + + struct arch_library_symbol_data arch; +}; + +/* Init LIBSYM. NAME will be freed when LIBSYM is destroyed if + * OWN_NAME. ARCH has to be initialized by a separate call. */ +int library_symbol_init(struct library_symbol *libsym, + arch_addr_t addr, const char *name, int own_name, + enum toplt type_of_plt); + +/* Copy library symbol SYM into the area pointed-to by RETP. Return 0 + * on success or a negative value on failure. */ +int library_symbol_clone(struct library_symbol *retp, + struct library_symbol *sym); + +/* Destroy library symbol. This essentially just frees name if it's + * owned. It doesn't free the memory associated with SYM pointer + * itself. Returns 0 on success or a negative value in case of an + * error (which would be an out of memory condition). */ +void library_symbol_destroy(struct library_symbol *sym); + +/* Compare two library symbols. Returns a negative value, 0, or a + * positive value, much like strcmp. The function compares symbol + * addresses, and if those are equal, it compares symbol names. If + * those are equal, too, the symbols are considered equal. */ +int library_symbol_cmp(struct library_symbol *a, struct library_symbol *b); + +/* Set a name for library symbol. This frees the old name, if + * that is owned. */ +void library_symbol_set_name(struct library_symbol *libsym, + const char *name, int own_name); + +/* A function that can be used as library_each_symbol callback. Looks + * for a symbol SYM for which library_symbol_cmp(SYM, STANDARD) + * returns 0. */ +enum callback_status library_symbol_equal_cb(struct library_symbol *libsym, + void *standard); + +/* A function that can be used as library_each_symbol callback. Looks + * for a symbol SYM for which strcmp(SYM->name, NAME) == 0. */ +enum callback_status library_symbol_named_cb(struct library_symbol *libsym, + void *name); + +/* A function that can be used as library_each_symbol callback. Looks + * for a delayed symbol. */ +enum callback_status library_symbol_delayed_cb(struct library_symbol *libsym, + void *unused); + +enum library_type { + LT_LIBTYPE_MAIN, + LT_LIBTYPE_DSO, +}; + +/* XXX we might consider sharing libraries across processes. Things + * like libc will be opened by every single process, no point cloning + * these everywhere. But for now, keep the ownership structure + * simple. */ +struct library { + struct library *next; + + /* Unique key. Two library objects are considered equal, if + * they have the same key. */ + arch_addr_t key; + + /* Address where the library is mapped. */ + arch_addr_t base; + + /* Absolute address of the entry point. Useful for main + * binary, though I suppose the value might be useful for the + * dynamic linker, too (in case we ever want to do early + * process tracing). */ + arch_addr_t entry; + + /* Address of PT_DYNAMIC segment. */ + arch_addr_t dyn_addr; + + /* Symbols associated with the library. This includes a + * symbols that don't have a breakpoint attached (yet). */ + struct library_symbol *symbols; + + /* List of names that this library implements, and that match + * -l filter. Each time a new library is mapped, its list of + * exports is examined, and corresponding PLT slots are + * enabled. */ + struct library_exported_name *exported_names; + + const char *soname; + const char *pathname; + + enum library_type type; + + char own_soname : 1; + char own_pathname : 1; + + struct arch_library_data arch; +}; + +/* Init LIB. */ +void library_init(struct library *lib, enum library_type type); + +/* Initialize RETP to a library identical to LIB. Symbols are not + * shared, but copied over. Returns 0 on success and a negative value + * in case of failure. */ +int library_clone(struct library *retp, struct library *lib); + +/* Destroy library. Doesn't free LIB itself. Symbols are destroyed + * and freed. */ +void library_destroy(struct library *lib); + +/* Set library soname. Frees the old name if necessary. */ +void library_set_soname(struct library *lib, + const char *new_name, int own_name); + +/* Set library pathname. Frees the old name if necessary. */ +void library_set_pathname(struct library *lib, + const char *new_name, int own_name); + +/* Iterate through list of symbols of library LIB. See callback.h for + * notes on this interface. */ +struct library_symbol *library_each_symbol + (struct library *lib, struct library_symbol *start_after, + enum callback_status (*cb)(struct library_symbol *, void *), + void *data); + +/* Add a new symbol SYM to LIB. SYM is assumed owned, we need to + * overwrite SYM->next. */ +void library_add_symbol(struct library *lib, struct library_symbol *sym); + +/* A function that can be used as proc_each_library callback. Looks + * for a library with the name passed in DATA. PROC is ignored. */ +enum callback_status library_named_cb(struct Process *proc, + struct library *lib, void *name); + +/* A function that can be used as proc_each_library callback. Looks + * for a library with given base. + * + * NOTE: The key is passed as a POINTER to arch_addr_t (that + * because in general, arch_addr_t doesn't fit in void*). */ +enum callback_status library_with_key_cb(struct Process *proc, + struct library *lib, void *keyp); + +/* XXX this should really be in backend.h (as on pmachata/revamp + * branch), or, on this branch, in common.h. But we need + * arch_addr_t (which should also be in backend.h, I reckon), so + * stuff it here for the time being. */ +/* This function is implemented in the back end. It is called for all + * raw addresses as read from symbol tables etc. If necessary on + * given architecture, this function should translate the address + * according to .opd or other indirection mechanism. Returns 0 on + * success and a negative value on failure. */ +struct ltelf; +int arch_translate_address(struct ltelf *lte, + arch_addr_t addr, arch_addr_t *ret); +/* This is the same function as arch_translate_address, except it's + * used at the point that we don't have ELF available anymore. */ +int arch_translate_address_dyn(struct Process *proc, + arch_addr_t addr, arch_addr_t *ret); + +#endif /* _LIBRARY_H_ */ diff --git a/ltrace-elf.c b/ltrace-elf.c new file mode 100644 index 0000000..c571d2a --- /dev/null +++ b/ltrace-elf.c @@ -0,0 +1,978 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2006,2010,2011,2012 Petr Machata, Red Hat Inc. + * Copyright (C) 2010 Zachary T Welch, CodeSourcery + * Copyright (C) 2010 Joe Damato + * Copyright (C) 1997,1998,2001,2004,2007,2008,2009 Juan Cespedes + * Copyright (C) 2006 Olaf Hering, SUSE Linux GmbH + * Copyright (C) 2006 Eric Vaitl, Cisco Systems, Inc. + * Copyright (C) 2006 Paul Gilliam, IBM Corporation + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include "config.h" + +#include +#ifdef __linux__ +#include +#endif +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "backend.h" +#include "filter.h" +#include "library.h" +#include "ltrace-elf.h" +#include "proc.h" +#include "debug.h" +#include "options.h" + +#ifndef ARCH_HAVE_LTELF_DATA +int +arch_elf_init(struct ltelf *lte, struct library *lib) +{ + return 0; +} + +void +arch_elf_destroy(struct ltelf *lte) +{ +} +#endif + +int +default_elf_add_plt_entry(struct Process *proc, struct ltelf *lte, + const char *a_name, GElf_Rela *rela, size_t ndx, + struct library_symbol **ret) +{ + char *name = strdup(a_name); + if (name == NULL) { + fail_message: + fprintf(stderr, "Couldn't create symbol for PLT entry: %s\n", + strerror(errno)); + fail: + free(name); + return -1; + } + + GElf_Addr addr = arch_plt_sym_val(lte, ndx, rela); + + struct library_symbol *libsym = malloc(sizeof(*libsym)); + if (libsym == NULL) + goto fail_message; + + /* XXX The double cast should be removed when + * arch_addr_t becomes integral type. */ + arch_addr_t taddr = (arch_addr_t) + (uintptr_t)(addr + lte->bias); + + if (library_symbol_init(libsym, taddr, name, 1, LS_TOPLT_EXEC) < 0) { + free(libsym); + goto fail; + } + + libsym->next = *ret; + *ret = libsym; + return 0; +} + +#ifndef ARCH_HAVE_ADD_PLT_ENTRY +enum plt_status +arch_elf_add_plt_entry(struct Process *proc, struct ltelf *lte, + const char *a_name, GElf_Rela *rela, size_t ndx, + struct library_symbol **ret) +{ + return plt_default; +} +#endif + +Elf_Data * +elf_loaddata(Elf_Scn *scn, GElf_Shdr *shdr) +{ + Elf_Data *data = elf_getdata(scn, NULL); + if (data == NULL || elf_getdata(scn, data) != NULL + || data->d_off || data->d_size != shdr->sh_size) + return NULL; + return data; +} + +static int +elf_get_section_if(struct ltelf *lte, Elf_Scn **tgt_sec, GElf_Shdr *tgt_shdr, + int (*predicate)(Elf_Scn *, GElf_Shdr *, void *data), + void *data) +{ + int i; + for (i = 1; i < lte->ehdr.e_shnum; ++i) { + Elf_Scn *scn; + GElf_Shdr shdr; + + scn = elf_getscn(lte->elf, i); + if (scn == NULL || gelf_getshdr(scn, &shdr) == NULL) { + debug(1, "Couldn't read section or header."); + return -1; + } + if (predicate(scn, &shdr, data)) { + *tgt_sec = scn; + *tgt_shdr = shdr; + return 0; + } + } + return -1; + +} + +static int +inside_p(Elf_Scn *scn, GElf_Shdr *shdr, void *data) +{ + GElf_Addr addr = *(GElf_Addr *)data; + return addr >= shdr->sh_addr + && addr < shdr->sh_addr + shdr->sh_size; +} + +int +elf_get_section_covering(struct ltelf *lte, GElf_Addr addr, + Elf_Scn **tgt_sec, GElf_Shdr *tgt_shdr) +{ + return elf_get_section_if(lte, tgt_sec, tgt_shdr, + &inside_p, &addr); +} + +static int +type_p(Elf_Scn *scn, GElf_Shdr *shdr, void *data) +{ + GElf_Word type = *(GElf_Word *)data; + return shdr->sh_type == type; +} + +int +elf_get_section_type(struct ltelf *lte, GElf_Word type, + Elf_Scn **tgt_sec, GElf_Shdr *tgt_shdr) +{ + return elf_get_section_if(lte, tgt_sec, tgt_shdr, + &type_p, &type); +} + +struct section_named_data { + struct ltelf *lte; + const char *name; +}; + +static int +name_p(Elf_Scn *scn, GElf_Shdr *shdr, void *d) +{ + struct section_named_data *data = d; + const char *name = elf_strptr(data->lte->elf, + data->lte->ehdr.e_shstrndx, + shdr->sh_name); + return strcmp(name, data->name) == 0; +} + +int +elf_get_section_named(struct ltelf *lte, const char *name, + Elf_Scn **tgt_sec, GElf_Shdr *tgt_shdr) +{ + struct section_named_data data = { + .lte = lte, + .name = name, + }; + return elf_get_section_if(lte, tgt_sec, tgt_shdr, + &name_p, &data); +} + +static int +need_data(Elf_Data *data, GElf_Xword offset, GElf_Xword size) +{ + assert(data != NULL); + if (data->d_size < size || offset > data->d_size - size) { + debug(1, "Not enough data to read %"PRId64"-byte value" + " at offset %"PRId64".", size, offset); + return -1; + } + return 0; +} + +#define DEF_READER(NAME, SIZE) \ + int \ + NAME(Elf_Data *data, GElf_Xword offset, uint##SIZE##_t *retp) \ + { \ + if (!need_data(data, offset, SIZE / 8) < 0) \ + return -1; \ + \ + if (data->d_buf == NULL) /* NODATA section */ { \ + *retp = 0; \ + return 0; \ + } \ + \ + union { \ + uint##SIZE##_t dst; \ + char buf[0]; \ + } u; \ + memcpy(u.buf, data->d_buf + offset, sizeof(u.dst)); \ + *retp = u.dst; \ + return 0; \ + } + +DEF_READER(elf_read_u16, 16) +DEF_READER(elf_read_u32, 32) +DEF_READER(elf_read_u64, 64) + +#undef DEF_READER + +int +open_elf(struct ltelf *lte, const char *filename) +{ + lte->fd = open(filename, O_RDONLY); + if (lte->fd == -1) + return 1; + + elf_version(EV_CURRENT); + +#ifdef HAVE_ELF_C_READ_MMAP + lte->elf = elf_begin(lte->fd, ELF_C_READ_MMAP, NULL); +#else + lte->elf = elf_begin(lte->fd, ELF_C_READ, NULL); +#endif + + if (lte->elf == NULL || elf_kind(lte->elf) != ELF_K_ELF) { + fprintf(stderr, "\"%s\" is not an ELF file\n", filename); + exit(EXIT_FAILURE); + } + + if (gelf_getehdr(lte->elf, <e->ehdr) == NULL) { + fprintf(stderr, "can't read ELF header of \"%s\": %s\n", + filename, elf_errmsg(-1)); + exit(EXIT_FAILURE); + } + + if (lte->ehdr.e_type != ET_EXEC && lte->ehdr.e_type != ET_DYN) { + fprintf(stderr, "\"%s\" is neither an ELF executable" + " nor a shared library\n", filename); + exit(EXIT_FAILURE); + } + + if (1 +#ifdef LT_ELF_MACHINE + && (lte->ehdr.e_ident[EI_CLASS] != LT_ELFCLASS + || lte->ehdr.e_machine != LT_ELF_MACHINE) +#endif +#ifdef LT_ELF_MACHINE2 + && (lte->ehdr.e_ident[EI_CLASS] != LT_ELFCLASS2 + || lte->ehdr.e_machine != LT_ELF_MACHINE2) +#endif +#ifdef LT_ELF_MACHINE3 + && (lte->ehdr.e_ident[EI_CLASS] != LT_ELFCLASS3 + || lte->ehdr.e_machine != LT_ELF_MACHINE3) +#endif + ) { + fprintf(stderr, + "\"%s\" is ELF from incompatible architecture\n", + filename); + exit(EXIT_FAILURE); + } + + return 0; +} + +static void +read_symbol_table(struct ltelf *lte, const char *filename, + Elf_Scn *scn, GElf_Shdr *shdr, const char *name, + Elf_Data **datap, size_t *countp, const char **strsp) +{ + *datap = elf_getdata(scn, NULL); + *countp = shdr->sh_size / shdr->sh_entsize; + if ((*datap == NULL || elf_getdata(scn, *datap) != NULL) + && options.static_filter != NULL) { + fprintf(stderr, "Couldn't get data of section" + " %s from \"%s\": %s\n", + name, filename, elf_errmsg(-1)); + exit(EXIT_FAILURE); + } + + scn = elf_getscn(lte->elf, shdr->sh_link); + GElf_Shdr shdr2; + if (scn == NULL || gelf_getshdr(scn, &shdr2) == NULL) { + fprintf(stderr, "Couldn't get header of section" + " #%d from \"%s\": %s\n", + shdr2.sh_link, filename, elf_errmsg(-1)); + exit(EXIT_FAILURE); + } + + Elf_Data *data = elf_getdata(scn, NULL); + if (data == NULL || elf_getdata(scn, data) != NULL + || shdr2.sh_size != data->d_size || data->d_off) { + fprintf(stderr, "Couldn't get data of section" + " #%d from \"%s\": %s\n", + shdr2.sh_link, filename, elf_errmsg(-1)); + exit(EXIT_FAILURE); + } + + *strsp = data->d_buf; +} + +static int +do_init_elf(struct ltelf *lte, const char *filename) +{ + int i; + GElf_Addr relplt_addr = 0; + GElf_Addr soname_offset = 0; + + debug(DEBUG_FUNCTION, "do_init_elf(filename=%s)", filename); + debug(1, "Reading ELF from %s...", filename); + + for (i = 1; i < lte->ehdr.e_shnum; ++i) { + Elf_Scn *scn; + GElf_Shdr shdr; + const char *name; + + scn = elf_getscn(lte->elf, i); + if (scn == NULL || gelf_getshdr(scn, &shdr) == NULL) { + fprintf(stderr, "Couldn't get section #%d from" + " \"%s\": %s\n", i, filename, elf_errmsg(-1)); + exit(EXIT_FAILURE); + } + + name = elf_strptr(lte->elf, lte->ehdr.e_shstrndx, shdr.sh_name); + if (name == NULL) { + fprintf(stderr, "Couldn't get name of section #%d from" + " \"%s\": %s\n", i, filename, elf_errmsg(-1)); + exit(EXIT_FAILURE); + } + + if (shdr.sh_type == SHT_SYMTAB) { + read_symbol_table(lte, filename, + scn, &shdr, name, <e->symtab, + <e->symtab_count, <e->strtab); + + } else if (shdr.sh_type == SHT_DYNSYM) { + read_symbol_table(lte, filename, + scn, &shdr, name, <e->dynsym, + <e->dynsym_count, <e->dynstr); + + } else if (shdr.sh_type == SHT_DYNAMIC) { + Elf_Data *data; + size_t j; + + lte->dyn_addr = shdr.sh_addr + lte->bias; + lte->dyn_sz = shdr.sh_size; + + data = elf_getdata(scn, NULL); + if (data == NULL || elf_getdata(scn, data) != NULL) { + fprintf(stderr, "Couldn't get .dynamic data" + " from \"%s\": %s\n", + filename, strerror(errno)); + exit(EXIT_FAILURE); + } + + for (j = 0; j < shdr.sh_size / shdr.sh_entsize; ++j) { + GElf_Dyn dyn; + + if (gelf_getdyn(data, j, &dyn) == NULL) { + fprintf(stderr, "Couldn't get .dynamic" + " data from \"%s\": %s\n", + filename, strerror(errno)); + exit(EXIT_FAILURE); + } + if (dyn.d_tag == DT_JMPREL) + relplt_addr = dyn.d_un.d_ptr; + else if (dyn.d_tag == DT_PLTRELSZ) + lte->relplt_size = dyn.d_un.d_val; + else if (dyn.d_tag == DT_SONAME) + soname_offset = dyn.d_un.d_val; + } + } else if (shdr.sh_type == SHT_PROGBITS + || shdr.sh_type == SHT_NOBITS) { + if (strcmp(name, ".plt") == 0) { + lte->plt_addr = shdr.sh_addr; + lte->plt_size = shdr.sh_size; + lte->plt_data = elf_loaddata(scn, &shdr); + if (lte->plt_data == NULL) + fprintf(stderr, + "Can't load .plt data\n"); + lte->plt_flags = shdr.sh_flags; + } +#ifdef ARCH_SUPPORTS_OPD + else if (strcmp(name, ".opd") == 0) { + lte->opd_addr = (GElf_Addr *) (long) shdr.sh_addr; + lte->opd_size = shdr.sh_size; + lte->opd = elf_rawdata(scn, NULL); + } +#endif + } + } + + if (lte->dynsym == NULL || lte->dynstr == NULL) { + fprintf(stderr, "Couldn't find .dynsym or .dynstr in \"%s\"\n", + filename); + exit(EXIT_FAILURE); + } + + if (!relplt_addr || !lte->plt_addr) { + debug(1, "%s has no PLT relocations", filename); + lte->relplt = NULL; + lte->relplt_count = 0; + } else if (lte->relplt_size == 0) { + debug(1, "%s has unknown PLT size", filename); + lte->relplt = NULL; + lte->relplt_count = 0; + } else { + + for (i = 1; i < lte->ehdr.e_shnum; ++i) { + Elf_Scn *scn; + GElf_Shdr shdr; + + scn = elf_getscn(lte->elf, i); + if (scn == NULL || gelf_getshdr(scn, &shdr) == NULL) { + fprintf(stderr, "Couldn't get section header" + " from \"%s\": %s\n", + filename, elf_errmsg(-1)); + exit(EXIT_FAILURE); + } + if (shdr.sh_addr == relplt_addr + && shdr.sh_size == lte->relplt_size) { + lte->relplt = elf_getdata(scn, NULL); + lte->relplt_count = + shdr.sh_size / shdr.sh_entsize; + if (lte->relplt == NULL + || elf_getdata(scn, lte->relplt) != NULL) { + fprintf(stderr, "Couldn't get .rel*.plt" + " data from \"%s\": %s\n", + filename, elf_errmsg(-1)); + exit(EXIT_FAILURE); + } + break; + } + } + + if (i == lte->ehdr.e_shnum) { + fprintf(stderr, + "Couldn't find .rel*.plt section in \"%s\"\n", + filename); + exit(EXIT_FAILURE); + } + + debug(1, "%s %zd PLT relocations", filename, lte->relplt_count); + } + + if (soname_offset != 0) + lte->soname = lte->dynstr + soname_offset; + + return 0; +} + +void +do_close_elf(struct ltelf *lte) +{ + debug(DEBUG_FUNCTION, "do_close_elf()"); + arch_elf_destroy(lte); + elf_end(lte->elf); + close(lte->fd); +} + +int +elf_get_sym_info(struct ltelf *lte, const char *filename, + size_t sym_index, GElf_Rela *rela, GElf_Sym *sym) +{ + int i = sym_index; + GElf_Rel rel; + void *ret; + + if (lte->relplt->d_type == ELF_T_REL) { + ret = gelf_getrel(lte->relplt, i, &rel); + rela->r_offset = rel.r_offset; + rela->r_info = rel.r_info; + rela->r_addend = 0; + } else { + ret = gelf_getrela(lte->relplt, i, rela); + } + + if (ret == NULL + || ELF64_R_SYM(rela->r_info) >= lte->dynsym_count + || gelf_getsym(lte->dynsym, ELF64_R_SYM(rela->r_info), + sym) == NULL) { + fprintf(stderr, + "Couldn't get relocation from \"%s\": %s\n", + filename, elf_errmsg(-1)); + exit(EXIT_FAILURE); + } + + return 0; +} + +#ifndef ARCH_HAVE_GET_SYMINFO +int +arch_get_sym_info(struct ltelf *lte, const char *filename, + size_t sym_index, GElf_Rela *rela, GElf_Sym *sym) +{ + return elf_get_sym_info(lte, filename, sym_index, rela, sym); +} +#endif + +static void +mark_chain_latent(struct library_symbol *libsym) +{ + for (; libsym != NULL; libsym = libsym->next) { + debug(DEBUG_FUNCTION, "marking %s latent", libsym->name); + libsym->latent = 1; + } +} + +static int +populate_plt(struct Process *proc, const char *filename, + struct ltelf *lte, struct library *lib, + int latent_plts) +{ + size_t i; + for (i = 0; i < lte->relplt_count; ++i) { + GElf_Rela rela; + GElf_Sym sym; + + if (arch_get_sym_info(lte, filename, i, &rela, &sym) < 0) + continue; /* Skip this entry. */ + + char const *name = lte->dynstr + sym.st_name; + + /* If the symbol wasn't matched, reject it, unless we + * need to keep latent PLT breakpoints for tracing + * exports. */ + int matched = filter_matches_symbol(options.plt_filter, + name, lib); + if (!matched && !latent_plts) + continue; + + struct library_symbol *libsym = NULL; + switch (arch_elf_add_plt_entry(proc, lte, name, + &rela, i, &libsym)) { + case plt_default: + if (default_elf_add_plt_entry(proc, lte, name, + &rela, i, &libsym) < 0) + /* fall-through */ + case plt_fail: + return -1; + /* fall-through */ + case plt_ok: + if (libsym != NULL) { + /* If we are adding those symbols just + * for tracing exports, mark them all + * latent. */ + if (!matched) + mark_chain_latent(libsym); + library_add_symbol(lib, libsym); + } + } + } + return 0; +} + +/* When -x rules result in request to trace several aliases, we only + * want to add such symbol once. The only way that those symbols + * differ in is their name, e.g. in glibc you have __GI___libc_free, + * __cfree, __free, __libc_free, cfree and free all defined on the + * same address. So instead we keep this unique symbol struct for + * each address, and replace name in libsym with a shorter variant if + * we find it. */ +struct unique_symbol { + arch_addr_t addr; + struct library_symbol *libsym; +}; + +static int +unique_symbol_cmp(const void *key, const void *val) +{ + const struct unique_symbol *sym_key = key; + const struct unique_symbol *sym_val = val; + return sym_key->addr != sym_val->addr; +} + +static enum callback_status +symbol_with_address(struct library_symbol *sym, void *addrptr) +{ + return sym->enter_addr == *(arch_addr_t *)addrptr + ? CBS_STOP : CBS_CONT; +} + +static int +populate_this_symtab(struct Process *proc, const char *filename, + struct ltelf *lte, struct library *lib, + Elf_Data *symtab, const char *strtab, size_t size, + struct library_exported_name **names) +{ + /* If a valid NAMES is passed, we pass in *NAMES a list of + * symbol names that this library exports. */ + if (names != NULL) + *names = NULL; + + /* Using sorted array would be arguably better, but this + * should be well enough for the number of symbols that we + * typically deal with. */ + size_t num_symbols = 0; + struct unique_symbol *symbols = malloc(sizeof(*symbols) * size); + if (symbols == NULL) { + fprintf(stderr, "couldn't insert symbols for -x: %s\n", + strerror(errno)); + return -1; + } + + GElf_Word secflags[lte->ehdr.e_shnum]; + size_t i; + for (i = 1; i < lte->ehdr.e_shnum; ++i) { + Elf_Scn *scn = elf_getscn(lte->elf, i); + if (scn == NULL) + continue; + GElf_Shdr shdr; + if (gelf_getshdr(scn, &shdr) == NULL) + continue; + secflags[i] = shdr.sh_flags; + } + + for (i = 0; i < size; ++i) { + GElf_Sym sym; + if (gelf_getsym(symtab, i, &sym) == NULL) { + fail: + fprintf(stderr, + "couldn't get symbol #%zd from %s: %s\n", + i, filename, elf_errmsg(-1)); + continue; + } + + /* XXX support IFUNC as well. */ + if (GELF_ST_TYPE(sym.st_info) != STT_FUNC + || sym.st_value == 0 + || sym.st_shndx == STN_UNDEF) + continue; + + /* Find symbol name and snip version. */ + const char *orig_name = strtab + sym.st_name; + const char *version = strchr(orig_name, '@'); + size_t len = version != NULL ? (assert(version > orig_name), + (size_t)(version - orig_name)) + : strlen(orig_name); + char name[len + 1]; + memcpy(name, orig_name, len); + name[len] = 0; + + /* If we are interested in exports, store this name. */ + char *name_copy = NULL; + if (names != NULL) { + struct library_exported_name *export = NULL; + name_copy = strdup(name); + + if (name_copy == NULL + || (export = malloc(sizeof(*export))) == NULL) { + free(name_copy); + fprintf(stderr, "Couldn't store symbol %s. " + "Tracing may be incomplete.\n", name); + } else { + export->name = name_copy; + export->own_name = 1; + export->next = *names; + *names = export; + } + } + + /* If the symbol is not matched, skip it. We already + * stored it to export list above. */ + if (!filter_matches_symbol(options.static_filter, name, lib)) + continue; + + arch_addr_t addr = (arch_addr_t) + (uintptr_t)(sym.st_value + lte->bias); + arch_addr_t naddr; + + /* On arches that support OPD, the value of typical + * function symbol will be a pointer to .opd, but some + * will point directly to .text. We don't want to + * translate those. */ + if (secflags[sym.st_shndx] & SHF_EXECINSTR) { + naddr = addr; + } else if (arch_translate_address(lte, addr, &naddr) < 0) { + fprintf(stderr, + "couldn't translate address of %s@%s: %s\n", + name, lib->soname, strerror(errno)); + continue; + } + + char *full_name; + int own_full_name = 1; + if (name_copy == NULL) { + full_name = strdup(name); + if (full_name == NULL) + goto fail; + } else { + full_name = name_copy; + own_full_name = 0; + } + + /* Look whether we already have a symbol for this + * address. If not, add this one. */ + struct unique_symbol key = { naddr, NULL }; + struct unique_symbol *unique + = lsearch(&key, symbols, &num_symbols, + sizeof(*symbols), &unique_symbol_cmp); + + if (unique->libsym == NULL) { + struct library_symbol *libsym = malloc(sizeof(*libsym)); + if (libsym == NULL + || library_symbol_init(libsym, naddr, + full_name, own_full_name, + LS_TOPLT_NONE) < 0) { + --num_symbols; + goto fail; + } + unique->libsym = libsym; + unique->addr = naddr; + + } else if (strlen(full_name) < strlen(unique->libsym->name)) { + library_symbol_set_name(unique->libsym, + full_name, own_full_name); + + } else if (own_full_name) { + free(full_name); + } + } + + /* Now we do the union of this set of unique symbols with + * what's already in the library. */ + for (i = 0; i < num_symbols; ++i) { + struct library_symbol *this_sym = symbols[i].libsym; + assert(this_sym != NULL); + struct library_symbol *other + = library_each_symbol(lib, NULL, symbol_with_address, + &this_sym->enter_addr); + if (other != NULL) { + library_symbol_destroy(this_sym); + free(this_sym); + symbols[i].libsym = NULL; + } + } + + for (i = 0; i < num_symbols; ++i) + if (symbols[i].libsym != NULL) + library_add_symbol(lib, symbols[i].libsym); + + free(symbols); + return 0; +} + +static int +populate_symtab(struct Process *proc, const char *filename, + struct ltelf *lte, struct library *lib, + int symtabs, int exports) +{ + int status; + if (symtabs && lte->symtab != NULL && lte->strtab != NULL + && (status = populate_this_symtab(proc, filename, lte, lib, + lte->symtab, lte->strtab, + lte->symtab_count, NULL)) < 0) + return status; + + /* Check whether we want to trace symbols implemented by this + * library (-l). */ + struct library_exported_name **names = NULL; + if (exports) { + debug(DEBUG_FUNCTION, "-l matches %s", lib->soname); + names = &lib->exported_names; + } + + return populate_this_symtab(proc, filename, lte, lib, + lte->dynsym, lte->dynstr, + lte->dynsym_count, names); +} + +static int +read_module(struct library *lib, struct Process *proc, + const char *filename, GElf_Addr bias, int main) +{ + struct ltelf lte = {}; + if (open_elf(<e, filename) < 0) + return -1; + + /* XXX When we abstract ABI into a module, this should instead + * become something like + * + * proc->abi = arch_get_abi(lte.ehdr); + * + * The code in open_elf needs to be replaced by this logic. + * Be warned that libltrace.c calls open_elf as well to + * determine whether ABI is supported. This is to get + * reasonable error messages when trying to run 64-bit binary + * with 32-bit ltrace. It is desirable to preserve this. */ + proc->e_machine = lte.ehdr.e_machine; + proc->e_class = lte.ehdr.e_ident[EI_CLASS]; + get_arch_dep(proc); + + /* Find out the base address. For PIE main binaries we look + * into auxv, otherwise we scan phdrs. */ + if (main && lte.ehdr.e_type == ET_DYN) { + arch_addr_t entry; + if (process_get_entry(proc, &entry, NULL) < 0) { + fprintf(stderr, "Couldn't find entry of PIE %s\n", + filename); + return -1; + } + /* XXX The double cast should be removed when + * arch_addr_t becomes integral type. */ + lte.entry_addr = (GElf_Addr)(uintptr_t)entry; + lte.bias = (GElf_Addr)(uintptr_t)entry - lte.ehdr.e_entry; + + } else { + GElf_Phdr phdr; + size_t i; + for (i = 0; gelf_getphdr (lte.elf, i, &phdr) != NULL; ++i) { + if (phdr.p_type == PT_LOAD) { + lte.base_addr = phdr.p_vaddr + bias; + break; + } + } + + lte.bias = bias; + lte.entry_addr = lte.ehdr.e_entry + lte.bias; + + if (lte.base_addr == 0) { + fprintf(stderr, + "Couldn't determine base address of %s\n", + filename); + return -1; + } + } + + if (do_init_elf(<e, filename) < 0) + return -1; + + if (arch_elf_init(<e, lib) < 0) { + fprintf(stderr, "Backend initialization failed.\n"); + return -1; + } + + int status = 0; + if (lib == NULL) + goto fail; + + /* Note that we set soname and pathname as soon as they are + * allocated, so in case of further errors, this get released + * when LIB is release, which should happen in the caller when + * we return error. */ + + if (lib->pathname == NULL) { + char *pathname = strdup(filename); + if (pathname == NULL) + goto fail; + library_set_pathname(lib, pathname, 1); + } + + if (lte.soname != NULL) { + char *soname = strdup(lte.soname); + if (soname == NULL) + goto fail; + library_set_soname(lib, soname, 1); + } else { + const char *soname = rindex(lib->pathname, '/') + 1; + if (soname == NULL) + soname = lib->pathname; + library_set_soname(lib, soname, 0); + } + + /* XXX The double cast should be removed when + * arch_addr_t becomes integral type. */ + arch_addr_t entry = (arch_addr_t)(uintptr_t)lte.entry_addr; + if (arch_translate_address(<e, entry, &entry) < 0) + goto fail; + + /* XXX The double cast should be removed when + * arch_addr_t becomes integral type. */ + lib->base = (arch_addr_t)(uintptr_t)lte.base_addr; + lib->entry = entry; + /* XXX The double cast should be removed when + * arch_addr_t becomes integral type. */ + lib->dyn_addr = (arch_addr_t)(uintptr_t)lte.dyn_addr; + + /* There are two reasons that we need to inspect symbol tables + * or populate PLT entries. Either the user requested + * corresponding tracing features (respectively -x and -e), or + * they requested tracing exported symbols (-l). + * + * In the latter case we need to keep even those PLT slots + * that are not requested by -e (but we keep them latent). We + * also need to inspect .dynsym to find what exports this + * library provide, to turn on existing latent PLT + * entries. */ + + int plts = filter_matches_library(options.plt_filter, lib); + if ((plts || options.export_filter != NULL) + && populate_plt(proc, filename, <e, lib, + options.export_filter != NULL) < 0) + goto fail; + + int exports = filter_matches_library(options.export_filter, lib); + int symtabs = filter_matches_library(options.static_filter, lib); + if ((symtabs || exports) + && populate_symtab(proc, filename, <e, lib, + symtabs, exports) < 0) + goto fail; + +done: + do_close_elf(<e); + return status; + +fail: + status = -1; + goto done; +} + +int +ltelf_read_library(struct library *lib, struct Process *proc, + const char *filename, GElf_Addr bias) +{ + return read_module(lib, proc, filename, bias, 0); +} + + +struct library * +ltelf_read_main_binary(struct Process *proc, const char *path) +{ + struct library *lib = malloc(sizeof(*lib)); + if (lib == NULL) + return NULL; + library_init(lib, LT_LIBTYPE_MAIN); + library_set_pathname(lib, path, 0); + + /* There is a race between running the process and reading its + * binary for internal consumption. So open the binary from + * the /proc filesystem. XXX Note that there is similar race + * for libraries, but there we don't have a nice answer like + * that. Presumably we could read the DSOs from the process + * memory image, but that's not currently done. */ + char *fname = pid2name(proc->pid); + if (fname == NULL) + return NULL; + if (read_module(lib, proc, fname, 0, 1) < 0) { + library_destroy(lib); + free(lib); + return NULL; + } + free(fname); + + return lib; +} diff --git a/ltrace-elf.h b/ltrace-elf.h new file mode 100644 index 0000000..1a1321e --- /dev/null +++ b/ltrace-elf.h @@ -0,0 +1,122 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2006,2010,2012 Petr Machata, Red Hat Inc. + * Copyright (C) 2010 Zachary T Welch + * Copyright (C) 2001,2004,2007,2009 Juan Cespedes + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#ifndef LTRACE_ELF_H +#define LTRACE_ELF_H + +#include +#include +#include "sysdep.h" + +struct Process; +struct library; +struct library_symbol; + +/* XXX Ok, the original idea was to separate the low-level ELF data + * from the abstract "struct library" object, but we use some of the + * following extensively in the back end. Not all though. So what we + * use should be move to struct library, and the rest of this + * structure maybe could be safely hidden in .c. How to integrate the + * arch-specific bits into struct library is unclear as of now. */ +struct ltelf { + int fd; + Elf *elf; + GElf_Ehdr ehdr; + Elf_Data *dynsym; + size_t dynsym_count; + const char *dynstr; + GElf_Addr plt_addr; + GElf_Word plt_flags; + size_t plt_size; + Elf_Data *relplt; + Elf_Data *plt_data; + size_t relplt_count; + Elf_Data *symtab; + const char *strtab; + const char *soname; + size_t symtab_count; + Elf_Data *opd; + GElf_Addr *opd_addr; + size_t opd_size; + GElf_Addr dyn_addr; + size_t dyn_sz; + size_t relplt_size; + GElf_Addr bias; + GElf_Addr entry_addr; + GElf_Addr base_addr; + struct arch_ltelf_data arch; +}; + +int open_elf(struct ltelf *lte, const char *filename); +void do_close_elf(struct ltelf *lte); + +/* XXX is it possible to put breakpoints in VDSO and VSYSCALL + * pseudo-libraries? For now we assume that all libraries can be + * opened via a filesystem. BASE is ignored for ET_EXEC files. */ +int ltelf_read_library(struct library *lib, struct Process *proc, + const char *filename, GElf_Addr bias); + +/* Create a library object representing the main binary. The entry + * point address is stored to *ENTRYP. */ +struct library *ltelf_read_main_binary(struct Process *proc, const char *path); + +/* Create a default PLT entry. This can be used instead (or in + * addition to) returning plt_default from arch_elf_add_plt_entry. + * RET shall be initialized, the created symbol will be added to the + * beginning of the linked list at *RET. This function doesn't add + * the symbol to LTE. arch_elf_add_plt_entry has the chance to adjust + * symbol internals to its liking, and then return either plt_default + * or plt_ok. */ +int default_elf_add_plt_entry(struct Process *proc, struct ltelf *lte, + const char *a_name, GElf_Rela *rela, size_t ndx, + struct library_symbol **ret); + +/* The base implementation of backend.h (arch_get_sym_info). + * See backend.h for details. */ +int elf_get_sym_info(struct ltelf *lte, const char *filename, + size_t sym_index, GElf_Rela *rela, GElf_Sym *sym); + +Elf_Data *elf_loaddata(Elf_Scn *scn, GElf_Shdr *shdr); +int elf_get_section_covering(struct ltelf *lte, GElf_Addr addr, + Elf_Scn **tgt_sec, GElf_Shdr *tgt_shdr); +int elf_get_section_type(struct ltelf *lte, GElf_Word type, + Elf_Scn **tgt_sec, GElf_Shdr *tgt_shdr); +int elf_get_section_named(struct ltelf *lte, const char *name, + Elf_Scn **tgt_sec, GElf_Shdr *tgt_shdr); + +/* Read, respectively, 2, 4, or 8 bytes from Elf data at given OFFSET, + * and store it in *RETP. Returns 0 on success or a negative value if + * there's not enough data. */ +int elf_read_u16(Elf_Data *data, GElf_Xword offset, uint16_t *retp); +int elf_read_u32(Elf_Data *data, GElf_Xword offset, uint32_t *retp); +int elf_read_u64(Elf_Data *data, GElf_Xword offset, uint64_t *retp); + +#if __WORDSIZE == 32 +#define PRI_ELF_ADDR PRIx32 +#define GELF_ADDR_CAST(x) (void *)(uint32_t)(x) +#else +#define PRI_ELF_ADDR PRIx64 +#define GELF_ADDR_CAST(x) (void *)(x) +#endif + +#endif diff --git a/ltrace.1 b/ltrace.1 index 358d6aa..8b459ee 100644 --- a/ltrace.1 +++ b/ltrace.1 @@ -1,12 +1,29 @@ +.\" -*-nroff-*- +.\" Copyright (c) 2012 Petr Machata, Red Hat Inc. .\" Copyright (c) 1997-2005 Juan Cespedes -.\" This file is covered by the GNU GPL -.TH ltrace 1 +.\" +.\" This program is free software; you can redistribute it and/or +.\" modify it under the terms of the GNU General Public License as +.\" published by the Free Software Foundation; either version 2 of the +.\" License, or (at your option) any later version. +.\" +.\" This program is distributed in the hope that it will be useful, but +.\" WITHOUT ANY WARRANTY; without even the implied warranty of +.\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +.\" General Public License for more details. +.\" +.\" You should have received a copy of the GNU General Public License +.\" along with this program; if not, write to the Free Software +.\" Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +.\" 02110-1301 USA +.\" +.TH LTRACE "1" "October 2012" "" "User Commands" .SH NAME ltrace \- A library call tracer .SH SYNOPSIS .B ltrace -.I "[-CfhiLrStttV] [-a column] [-A maxelts] [-D level] [-e expr] [-l filename] [-n nr] [-o filename] [-p pid] ... [-s strsize] [-u username] [-X extern] [-x extern] ... [--align=column] [--debug=level] [--demangle] [--help] [--indent=nr] [--library=filename] [--output=filename] [--version] [command [arg ...]]" +.I "[-bCfghiLrStttV] [-a column] [-A maxelts] [-D level] [-e expr] [-l library_pattern] [-n nr] [-o filename] [-p pid] ... [-s strsize] [-u username] [-w count] [-x extern] ... [--align=column] [--debug=level] [--demangle] [--help] [--indent=nr] [--library=library_pattern] [--no-signals] [--output=filename] [--version] [--where=NR] [command [arg ...]]" .SH DESCRIPTION .B ltrace @@ -23,10 +40,17 @@ Its use is very similar to .SH OPTIONS .TP .I \-a, \-\-align column -Align return values in a specific column (default column is 5/8 of screen width). +Align return values in a specific +.IR column +(default column is 5/8 of screen width). .TP .I \-A maxelts -Maximum number of array elements to print before suppressing the rest with an ellipsis ("...") +Maximum number of array elements to print before suppressing the rest +with an ellipsis ("..."). This also limits number of recursive +structure expansions. +.TP +.I \-b, \-\-no-signals +Disable printing of signals recieved by the traced process. .TP .I \-c Count time and calls for each library call and report a summary on program exit. @@ -59,22 +83,12 @@ carries upon a traced process DEBUG_FUNCTION. Shows every entry to internal functions .RE .TP -.I \-e expr -A qualifying expression which modifies which events to trace. -The format of the expression is: -.br -[!]value1[,value2]... -.br -where the values are the functions to trace. Using an exclamation -mark negates the set of values. For example -.I \-e printf -means to trace only the printf library call. By contrast, -.I \-e !printf -means to trace every library call except printf. -.IP -Note that some shells use the exclamation point for history -expansion; even inside quoted arguments. If so, you must escape -the exclamation point with a backslash. +.I \-e filter +A qualifying expression which modifies which library calls to trace. +The format of the filter expression is described in the section +\fBFILTER EXPRESSIONS\fR. If more than one \-e option appears on the +command line, the library calls that match any of them are traced. If +no \-e is given, \fB@MAIN\fR is assumed as a default. .TP .I \-f Trace child processes as they are created by @@ -94,16 +108,22 @@ Show a summary of the options to ltrace and exit. .I \-i Print the instruction pointer at the time of the library call. .TP -.I \-l, \-\-library filename -Display only the symbols included in the library -.I filename. -Up to 30 library names can be specified with several instances -of this option. +.I \-l, \-\-library library_pattern +Display only calls to functions implemented by libraries that match +.I library_pattern. +Multiple library patters can be specified with several instances of +this option. Syntax of library_pattern is described in section +\fBFILTER EXPRESSIONS\fR. + +Note that while this option selects calls that might be directed to +the selected libraries, there's no actual guarantee that the call +won't be directed elsewhere due to e.g. LD_PRELOAD or simply +dependency ordering. If you want to make sure that symbols in given +library are actually called, use \fB-x @\fIlibrary_pattern\fR instead. .TP .I \-L -DON'T display library calls (use it with the -.I \-S -option). +When no -e option is given, don't assume the default action of +\fB@MAIN\fR. .TP .I \-n, \-\-indent nr Indent trace output by @@ -153,35 +173,83 @@ Run command with the userid, groupid and supplementary groups of This option is only useful when running as root and enables the correct execution of setuid and/or setgid binaries. .TP -.I \-X extern -Some architectures need to know where to set a breakpoint that will be hit -after the dynamic linker has run. If this flag is used, then the breakpoint -is set at -.IR extern , -which must be an external function. By default, '_start' is used. -NOTE: this flag is only available on the architectures that need it. +.I \-w, --where NR +Show backtrace of NR stack frames for each traced function. This option enabled +only if libunwind support was enabled at compile time. .TP -.I \-x extern -Trace the external function -.IR extern . -This option may be repeated. +.I \-x filter +A qualifying expression which modifies which symbol table entry points +to trace. The format of the filter expression is described in the +section \fBFILTER EXPRESSIONS\fR. If more than one \-x option appears +on the command line, the symbols that match any of them are traced. +No entry points are traced if no \-x is given. .TP .I \-V, \-\-version Show the version number of ltrace and exit. +.SH FILTER EXPRESSIONS + +Filter expression is a chain of glob- or regexp-based rules that are +used to pick symbols for tracing from libraries that the process uses. +Most of it is intuitive, so as an example, the following would trace +calls to malloc and free, except those done by libc: + +-e malloc+free-@libc.so* + +This reads: trace malloc and free, but don't trace anything that comes +from libc. Semi-formally, the syntax of the above example looks +approximately like this: + +{[+-][\fIsymbol_pattern\fR][@\fIlibrary_pattern\fR]} + +\fISymbol_pattern\fR is used to match symbol names, +\fIlibrary_pattern\fR to match library SONAMEs. Both are implicitly +globs, but can be regular expressions as well (see below). The glob +syntax supports meta-characters \fB*\fR and \fB?\fR and character +classes, similarly to what basic bash globs support. \fB^\fR and +\fB$\fR are recognized to mean, respectively, start and end of given +name. + +Both \fIsymbol_pattern\fR and \fIlibrary_pattern\fR have to match the +whole name. If you want to match only part of the name, surround it +with one or two *'s as appropriate. The exception is if the pattern +is not mentioned at all, in which case it's as if the corresponding +pattern were \fB*\fR. (So \fBmalloc\fR is really \fBmalloc@*\fR and +\fB@libc.*\fR is really \fB*@libc.*\fR.) + +In libraries that don't have an explicit SONAME, basename is taken for +SONAME. That holds for main binary as well: \fB/bin/echo\fR has an +implicit SONAME of \fBecho\fR. In addition to that, special library +pattern \fBMAIN\fR always matches symbols in the main binary and never +a library with actual SONAME \fBMAIN\fR (use e.g. \fB^MAIN\fR or +\fB[M]AIN\fR for that). + +If the symbol or library pattern is surrounded in slashes (/like +this/), then it is considered a regular expression instead. As a +shorthand, instead of writing \fB/x/@/y/\fR, you can write +\fB/x@y/\fR. + +If the library pattern starts with a slash, it is not a SONAME +expression, but a path expression, and is matched against the library +path name. + +The first rule may lack a sign, in which case \fB+\fR is assumed. If, +on the other hand, the first rule has a \fB-\fR sign, it is as if +there was another rule \fB@*\fR in front of it. + +The above rules are used to construct the set of traced symbols. Each +candidate symbol is passed through the chain of above rules. +Initially, the symbol is \fIunmarked\fR. If it matches a \fB+\fR +rule, it becomes \fImarked\fR, if it matches a \fB-\fR rule, it +becomes \fIunmarked\fR again. If, after applying all rules, the +symbol is \fImarked\fR, it will be traced. + .SH BUGS It has most of the bugs stated in .BR strace(1) . .LP -Manual page and documentation are not very up-to-date. -.LP -Option -f sometimes fails to trace some children. -.LP It only works on Linux and in a small subset of architectures. .LP -Only ELF32 binaries are supported. -.LP -Calls to dlopen()ed libraries will not be traced. .PP If you would like to report a bug, send a message to the mailing list (ltrace-devel@lists.alioth.debian.org), or use the @@ -199,8 +267,10 @@ Personal config file, overrides .SH AUTHOR Juan Cespedes +.br +Petr Machata .SH "SEE ALSO" +.BR ltrace.conf(5), .BR strace(1) , .BR ptrace(2) - diff --git a/ltrace.conf.5 b/ltrace.conf.5 new file mode 100644 index 0000000..957fe8b --- /dev/null +++ b/ltrace.conf.5 @@ -0,0 +1,408 @@ +.\" -*-nroff-*- +.\" Copyright (c) 2012 Petr Machata, Red Hat Inc. +.\" Copyright (c) 1997-2005 Juan Cespedes +.\" +.\" This program is free software; you can redistribute it and/or +.\" modify it under the terms of the GNU General Public License as +.\" published by the Free Software Foundation; either version 2 of the +.\" License, or (at your option) any later version. +.\" +.\" This program is distributed in the hope that it will be useful, but +.\" WITHOUT ANY WARRANTY; without even the implied warranty of +.\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +.\" General Public License for more details. +.\" +.\" You should have received a copy of the GNU General Public License +.\" along with this program; if not, write to the Free Software +.\" Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +.\" 02110-1301 USA +.\" +.TH ltrace.conf "5" "October 2012" "" "ltrace configuration file" +.SH "NAME" +.LP +\fBltrace.conf\fR \- Configuration file for \fBltrace(1)\fR. + +.SH DESCRIPTION + +This manual page describes \fBltrace.conf\fR, a file that describes +prototypes of functions in binaries for \fBltrace(1)\fR to use. +Ltrace needs this information to display function call arguments. + +Each line of a configuration file describes at most a single item. +Lines composed entirely of white space are ignored, as are lines +starting with semicolon character (comment lines). Described items +can be either function prototypes, or definitions of type aliases. + +.SH PROTOTYPES + +A prototype describes return type and parameter types of a single +function. The syntax is as follows: + +.RS +\fILENS\fR \fINAME\fR \fB(\fR[\fILENS\fR{,\fILENS\fR}]\fB);\fR +.RE + +\fINAME\fR is the (mangled) name of a symbol. In the elementary case, +\fILENS\fR is simply a type. Both lenses and types are described +below. For example, a simple function prototype might look like this: + +.RS +.B int\fR kill\fB(int,int); +.RE + +Despite the apparent similarity with C, \fBltrace.conf\fR is really +its own language that's only somewhat inspired by C. + +.SH TYPES + +Ltrace understands a range of primitive types. Those are interpreted +according to C convention native on a given architecture. +E.g. \fBulong\fR is interpreted as 4-byte unsigned integer on 32-bit +GNU/Linux machine, but 8-byte unsigned integer on 64-bit GNU/Linux +machine. + +.TP +.B void +Denotes that a function does not return anything. Can be also used to +construct a generic pointer, i.e. pointer-sized number formatted in +hexadecimal format. +.TP +.B char +8-bit quantity rendered as a character +.TP +.B ushort,short +Denotes unsigned or signed short integer. +.TP +.B uint,int +Denotes unsigned or signed integer. +.TP +.B ulong,long +Denotes unsigned or signed long integer. +.TP +.B float +Denotes floating point number with single precision. +.TP +.B double +Denotes floating point number with double precision. +.PP + +Besides primitive types, the following composed types are possible: + +.TP +.B struct(\fR[\fILENS\fR{,\fILENS\fR}]\fB)\fR +Describes a structure with given types as fields, +e.g. \fBstruct(int,int,float)\fR. + +Alignment is computed as customary on the architecture. Custom +alignment (e.g. packed structs) and bit-fields are not supported. +It's also not possible to differentiate between structs and non-POD +C++ classes, for arches where it makes a difference. + +.TP +.B array(\fR\fILENS\fR\fB,\fIEXPR\fR\fB) +Describes array of length \fIEXPR\fR, which is composed of types +described by \fILENS\fR, e.g. \fBarray(int, \fR6\fB)\fR. + +Note that in C, arrays in role of function argument decay into +pointers. Ltrace currently handles this automatically, but for full +formal correctness, any such arguments should be described as pointers +to arrays. + +.TP +.I LENS\fR\fB* +Describes a pointer to a given type, e.g. \fBchar*\fR or \fBint***\fR. +Note that the former example actually describes a pointer to a +character, not a string. See below for \fBstring\fR lens, which is +applicable to these cases. + +.SH LENSES + +Lenses change the way that types are described. In the simplest case, +a lens is directly a type. Otherwise a type is decorated by the lens. +Ltrace understands the following lenses: + +.TP +.B oct(\fITYPE\fB) +The argument, which should be an integer type, is formatted in base-8. + +.TP +.B hex(\fITYPE\fB) +The argument, which should be an integer or floating point type, is +formatted in base-16. Floating point arguments are converted to +double and then displayed using the \fB%a\fR fprintf modifier. + +.TP +.B hide(\fITYPE\fB) +The argument is not shown in argument list. + +.TP +.B bool(\fITYPE\fB) +Arguments with zero value are shown as "false", others are shown as +"true". + +.TP +.B bitvec(\fITYPE\fB) +Underlying argument is interpreted as a bit vector and a summary of +bits set in the vector is displayed. For example if bits 3,4,5 and 7 +of the bit vector are set, ltrace shows <3-5,7>. Empty bit vector is +displayed as <>. If there are more bits set than unset, inverse is +shown instead: e.g. ~<0> when a number 0xfffffffe is displayed. Full +set is thus displayed ~<>. + +If the underlying type is integral, then bits are shown in their +natural big-endian order, with LSB being bit 0. +E.g. \fBbitvec(ushort)\fR with value 0x0102 would be displayed as +<1,8>, irrespective of underlying byte order. + +For other data types (notably structures and arrays), the underlying +data is interpreted byte after byte. Bit 0 of first byte has number +0, bit 0 of second byte number 8, and so on. Thus +\fBbitvec(struct(int))\fR is endian sensitive, and will show bytes +comprising the integer in their memory order. Pointers are first +dereferenced, thus \fBbitvec(array(char, \fR32\fB)*)\fR is actually a +pointer to 256-bit bit vector. + +.PP +.B string(\fITYPE\fB) +.br +.B string[\fIEXPR\fB] +.br +.B string +.RS +The first form of the argument is canonical, the latter two are +syntactic sugar. In the canonical form, the function argument is +formatted as string. The \fITYPE\fR shall be either a \fBchar*\fR, or +\fBarray(char,\fIEXPR\fB)\fR, or \fBarray(char,\fIEXPR\fB)*\fR. If an +array is given, the length will typically be a \fBzero\fR expression +(but doesn't have to be). Using argument that is plain array +(i.e. not a pointer to array) makes sense e.g. in C structs, in cases +like \fBstruct(string(array(char, \fR6\fB)))\fR, which describes the C +type \fBstruct {char \fRs\fB[\fR6\fB];}\fR. + +Because simple C-like strings are pretty common, there are two +shorthand forms. The first shorthand form (with brackets) means the +same as \fBstring(array(char, \fIEXPR\fB)*)\fR. Plain \fBstring\fR +without an argument is then taken to mean the same as +\fBstring[zero]\fR. + +Note that \fBchar*\fR by itself describes a pointer to a char. Ltrace +will dereference the pointer, and read and display the single +character that it points to. +.RE + +.B enum(\fINAME\fR[\fB=\fIVALUE\fR]{,\fINAME\fR[\fB=\fIVALUE\fR]}\fB) +.br +.B enum[\fITYPE\fB]\fB(\fINAME\fR[\fB=\fIVALUE\fR]{,\fINAME\fR[\fB=\fIVALUE\fR]}\fB) +.RS +This describes an enumeration lens. If an argument has any of the +given values, it is instead shown as the corresponding \fINAME\fR. If +a \fIVALUE\fR is omitted, the next consecutive value following after +the previous \fIVALUE\fR is taken instead. If the first \fIVALUE\fR +is omitted, it's \fB0\fR by default. + +\fITYPE\fR, if given, is the underlying type. It is thus possible to +create enums over shorts or longs\(emarguments that are themselves +plain, non-enum types in C, but whose values can be meaningfully +described as enumerations. If omitted, \fITYPE\fR is taken to be +\fBint\fR. +.RE + +.SH TYPE ALIASES + +A line in config file can, instead of describing a prototype, create a +type alias. Instead of writing the same enum or struct on many places +(and possibly updating when it changes), one can introduce a name for +such type, and later just use that name: + +.RS +\fBtypedef \fINAME\fB = \fILENS\fB;\fR +.RE + +.SH RECURSIVE STRUCTURES + +Ltrace allows you to express recursive structures. Such structures +are expanded to the depth described by the parameter -A. To declare a +recursive type, you first have to introduce the type to ltrace by +using forward declaration. Then you can use the type in other type +definitions in the usual way: + +.RS +.B typedef \fINAME\fB = struct; +.br +.B typedef \fINAME\fB = struct(\fINAME\fR can be used here\fB) +.RE + +For example, consider the following singy-linked structure and a +function that takes such list as an argument: + +.RS +.B typedef\fR int_list \fB= struct; +.br +.B typedef\fR int_list \fB= struct(int,\fR int_list\fB*); +.br +.B void\fR ll\fB(\fRint_list\fB*); +.RE + +Such declarations might lead to an output like the following: + +.RS +ll({ 9, { 8, { 7, { 6, ... } } } }) = +.RE + +Ltrace detects recursion and will not expand already-expanded +structures. Thus a doubly-linked list would look like the following: + +.RS +.B typedef\fR int_list \fB= struct; +.br +.B typedef\fR int_list \fB= struct(int,\fR int_list\fB*,\fR int_list\fB*); +.RE + +With output e.g. like: + +.RS +ll({ 9, { 8, { 7, { 6, ..., ... }, recurse^ }, recurse^ }, nil }) +.RE + +The "recurse^" tokens mean that given pointer points to a structure +that was expanded in the previous layer. Simple "recurse" would mean +that it points back to this object. E.g. "recurse^^^" means it points +to a structure three layers up. For doubly-linked list, the pointer +to the previous element is of course the one that has been just +expanded in the previous round, and therefore all of them are either +recurse^, or nil. If the next and previous pointers are swapped, the +output adjusts correspondingly: + +.RS +ll({ 9, nil, { 8, recurse^, { 7, recurse^, { 6, ..., ... } } } }) +.RE + + +.SH EXPRESSIONS + +Ltrace has support for some elementary expressions. Each expression +can be either of the following: + +.TP +.I NUM +An integer number. + +.TP +.B arg\fINUM +Value of \fINUM\fR-th argument. The expression has the same value as +the corresponding argument. \fBarg1\fR refers to the first argument, +\fBarg0\fR to the return value of the given function. + +.TP +.B retval +Return value of function, same as \fBarg0\fR. + +.TP +.B elt\fINUM +Value of \fINUM\fR-th element of the surrounding structure type. E.g. +\fBstruct(ulong,array(int,elt1))\fR describes a structure whose first +element is a length, and second element an array of ints of that +length. + +.PP +.B zero +.br +.B zero(\fIEXPR\fB) +.RS +Describes array which extends until the first element, whose each byte +is 0. If an expression is given, that is the maximum length of the +array. If NUL terminator is not found earlier, that's where the array +ends. +.RE + +.SH PARAMETER PACKS + +Sometimes the actual function prototype varies slightly depending on +the exact parameters given. For example, the number and types of +printf parameters are not known in advance, but ltrace might be able +to determine them in runtime. This feature has wider applicability, +but currently the only parameter pack that ltrace supports is +printf-style format string itself: + +.TP +.B format +When \fBformat\fR is seen in the parameter list, the underlying string +argument is parsed, and GNU-style format specifiers are used to +determine what the following actual arguments are. E.g. if the format +string is "%s %d\\n", it's as if the \fBformat\fR was replaced by +\fBstring, string, int\fR. + +.SH RETURN ARGUMENTS + +C functions often use one or more arguments for returning values back +to the caller. The caller provides a pointer to storage, which the +called function initializes. Ltrace has some support for this idiom. + +When a traced binary hits a function call, ltrace first fetches all +arguments. It then displays \fIleft\fR portion of the argument list. +Only when the function returns does ltrace display \fIright\fR portion +as well. Typically, left portion takes up all the arguments, and +right portion only contains return value. But ltrace allows you to +configure where exactly to put the dividing line by means of a \fB+\fR +operator placed in front of an argument: + +.RS +.B int\fR asprintf\fB(+string*, format); +.RE + +Here, the first argument to asprintf is denoted as return argument, +which means that displaying the whole argument list is delayed until +the function returns: + +.RS +a.out->asprintf( +.br +libc.so.6->malloc(100) = 0x245b010 +.br +[... more calls here ...] +.br +<... asprintf resumed> "X=1", "X=%d", 1) = 5 +.RE + +It is currently not possible to have an "inout" argument that passes +information in both directions. + +.SH EXAMPLES + +In the following, the first is the C prototype, and following that is +ltrace configuration line. + +.TP +.B void\fR func_charp_string\fB(char\fR str\fB[]); +.B void\fR func_charp_string\fB(string); + +.PP +.B enum\fR e_foo \fB{\fRRED\fB, \fRGREEN\fB, \fRBLUE\fB}; +.br +.B void\fR func_enum\fB(enum\fR e_foo bar\fB);\fR +.RS +.B void\fR func_enum\fB(enum(\fRRED\fB,\fRGREEN\fB,\fRBLUE\fB));\fR +.RS +- or - +.RE +.B typedef\fR e_foo \fB= enum(\fRRED\fB,\fRGREEN\fB,\fRBLUE\fB);\fR +.br +.B void\fR func_enum\fB(\fRe_foo\fB);\fR +.RE + +.TP +.B void\fR func_arrayi\fB(int\fR arr\fB[],\fR int len\fB); +.B void\fR func_arrayi\fB(array(int,arg2)*,int); + +.PP +.B struct\fR S1 \fB{float\fR f\fB; char\fR a\fB; char \fRb\fB;}; +.br +.B struct\fR S2 \fB{char\fR str\fB[\fR6\fB]; float\fR f\fB;}; +.br +.B struct\fR S1 func_struct\fB(int \fRa\fB, struct \fRS2\fB, double \fRd\fB); +.RS +.B struct(float,char,char)\fR func_struct_2\fB(int, struct(string(array(char, \fR6\fB)),float), double); +.RE + +.SH AUTHOR +Petr Machata diff --git a/ltrace.h b/ltrace.h index 5e43ba5..ee7e27b 100644 --- a/ltrace.h +++ b/ltrace.h @@ -1,3 +1,26 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2009 Juan Cespedes + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#ifndef _LTRACE_H_ +#define _LTRACE_H_ + typedef enum Event_type Event_type; enum Event_type { EVENT_NONE=0, @@ -9,6 +32,7 @@ enum Event_type { EVENT_ARCH_SYSCALL, EVENT_ARCH_SYSRET, EVENT_CLONE, + EVENT_VFORK, EVENT_EXEC, EVENT_BREAKPOINT, EVENT_LIBCALL, @@ -17,10 +41,10 @@ enum Event_type { EVENT_MAX }; -typedef struct Process Process; typedef struct Event Event; struct Event { - Process * proc; + struct Event * next; + struct Process * proc; Event_type type; union { int ret_val; /* EVENT_EXIT */ @@ -36,3 +60,5 @@ typedef void (*callback_func) (Event *); extern void ltrace_init(int argc, char **argv); extern void ltrace_add_callback(callback_func f, Event_type type); extern void ltrace_main(void); + +#endif /* _LTRACE_H_ */ diff --git a/main.c b/main.c index bd443cf..ff7c2c0 100644 --- a/main.c +++ b/main.c @@ -1,3 +1,23 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2009 Juan Cespedes + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include #include diff --git a/mkdist b/mkdist deleted file mode 100755 index 25182fb..0000000 --- a/mkdist +++ /dev/null @@ -1,19 +0,0 @@ -#!/bin/sh -e - -# Create ltrace-${version}.tar.gz from a GIT repository - -if [ ! -d .git -o ! -f libltrace.c ] -then - echo "This must be called inside a ltrace GIT repository" 1>&2 - exit 1 -fi - -VERSION=$( cat VERSION ) - -echo Building ltrace-$VERSION.tar.gz ... -rm -rf ltrace-$VERSION -git clone ./ ltrace-$VERSION >/dev/null -GZIP=-9 tar --exclude .git -zcf ltrace-$VERSION.tar.gz ltrace-$VERSION -rm -rf ltrace-$VERSION -echo Done. - diff --git a/options.c b/options.c index aef73b1..e8fd2a2 100644 --- a/options.c +++ b/options.c @@ -1,16 +1,44 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2012 Petr Machata, Red Hat Inc. + * Copyright (C) 2009,2010 Joe Damato + * Copyright (C) 1998,1999,2002,2003,2004,2007,2008,2009 Juan Cespedes + * Copyright (C) 2006 Ian Wienand + * Copyright (C) 2006 Steve Fink + * Copyright (C) 2006 Paul Gilliam, IBM Corporation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include "config.h" -#include -#include -#include -#include -#include -#include #include - +#include +#include +#include #include +#include +#include +#include +#include +#include #include "common.h" +#include "filter.h" +#include "glob.h" #ifndef SYSCONFDIR #define SYSCONFDIR "/etc" @@ -23,7 +51,6 @@ struct options_t options = { .align = DEFAULT_ALIGN, /* alignment column for results */ .user = NULL, /* username to run command as */ .syscalls = 0, /* display syscalls */ - .libcalls = 1, /* display library calls */ #ifdef USE_DEMANGLE .demangle = 0, /* Demangle low-level symbol names */ #endif @@ -36,8 +63,6 @@ struct options_t options = { .follow = 0, /* trace child processes */ }; -char *library[MAX_LIBRARIES]; -int library_num = 0; static char *progname; /* Program name (`ltrace') */ int opt_i = 0; /* instruction pointer */ int opt_r = 0; /* print relative timestamp */ @@ -47,25 +72,12 @@ int opt_T = 0; /* show the time spent inside each call */ /* List of pids given to option -p: */ struct opt_p_t *opt_p = NULL; /* attach to process with a given pid */ -/* List of function names given to option -e: */ -struct opt_e_t *opt_e = NULL; -int opt_e_enable = 1; - -/* List of global function names given to -x: */ -struct opt_x_t *opt_x = NULL; - /* List of filenames give to option -F: */ struct opt_F_t *opt_F = NULL; /* alternate configuration file(s) */ -#ifdef PLT_REINITALISATION_BP -/* Set a break on the routine named here in order to re-initialize breakpoints - after all the PLTs have been initialzed */ -char *PLTs_initialized_by_here = PLT_REINITALISATION_BP; -#endif - static void err_usage(void) { - fprintf(stderr, "Try `%s --help' for more information\n", progname); + fprintf(stderr, "Try `%s --help' for more information.\n", progname); exit(1); } @@ -75,6 +87,7 @@ usage(void) { "Trace library calls of a given program.\n\n" " -a, --align=COLUMN align return values in a secific column.\n" " -A ARRAYLEN maximum number of array elements to print.\n" + " -b, --no-signals don't print signals.\n" " -c count time and calls, and report a summary on exit.\n" # ifdef USE_DEMANGLE " -C, --demangle decode low-level symbol names into user-level names.\n" @@ -86,7 +99,7 @@ usage(void) { " -F, --config=FILE load alternate configuration file (may be repeated).\n" " -h, --help display this help and exit.\n" " -i print instruction pointer at time of library call.\n" - " -l, --library=FILE print library calls from this library only.\n" + " -l, --library=FILE only trace symbols implemented by this library.\n" " -L do NOT display library calls.\n" " -n, --indent=NR indent output by NR spaces for each call level nesting.\n" " -o, --output=FILE write the trace output to that file.\n" @@ -98,10 +111,10 @@ usage(void) { " -T show the time spent inside each call.\n" " -u USERNAME run command with the userid, groupid of username.\n" " -V, --version output version information and exit.\n" +#if defined(HAVE_LIBUNWIND) + " -w, --where=NR print backtrace showing NR stack frames at most.\n" +#endif /* defined(HAVE_LIBUNWIND) */ " -x NAME treat the global NAME like a library subroutine.\n" -#ifdef PLT_REINITALISATION_BP - " -X NAME same as -x; and PLT's will be initialized by here.\n" -#endif "\nReport bugs to ltrace-devel@lists.alioth.debian.org\n", progname); } @@ -139,7 +152,7 @@ search_for_command(char *filename) { m = n = strlen(path); } if (n + strlen(filename) + 1 >= PATH_MAX) { - fprintf(stderr, "Error: filename too long\n"); + fprintf(stderr, "Error: filename too long.\n"); exit(1); } strncpy(pathname, path, n); @@ -175,13 +188,274 @@ guess_cols(void) { } } +static int +compile_libname(const char *expr, const char *a_lib, int lib_re_p, + struct filter_lib_matcher *matcher) +{ + if (strcmp(a_lib, "MAIN") == 0) { + filter_lib_matcher_main_init(matcher); + } else { + /* Add ^ and $ to the library expression as well. */ + char lib[strlen(a_lib) + 3]; + sprintf(lib, "^%s$", a_lib); + + enum filter_lib_matcher_type type + = lib[0] == '/' ? FLM_PATHNAME : FLM_SONAME; + + regex_t lib_re; + int status = (lib_re_p ? regcomp : globcomp)(&lib_re, lib, 0); + if (status != REG_NOERROR) { + char buf[100]; + regerror(status, &lib_re, buf, sizeof buf); + fprintf(stderr, "Rule near '%s' will be ignored: %s.\n", + expr, buf); + return -1; + } + filter_lib_matcher_name_init(matcher, type, lib_re); + } + return 0; +} + +static void +add_filter_rule(struct filter *filt, const char *expr, + enum filter_rule_type type, + const char *a_sym, int sym_re_p, + const char *a_lib, int lib_re_p) +{ + struct filter_rule *rule = malloc(sizeof(*rule)); + struct filter_lib_matcher *matcher = malloc(sizeof(*matcher)); + + if (rule == NULL || matcher == NULL) { + fprintf(stderr, "Rule near '%s' will be ignored: %s.\n", + expr, strerror(errno)); + fail: + free(rule); + free(matcher); + return; + } + + regex_t symbol_re; + { + /* Add ^ to the start of expression and $ to the end, so that + * we match the whole symbol name. Let the user write the "*" + * explicitly if they wish. */ + char sym[strlen(a_sym) + 3]; + sprintf(sym, "^%s$", a_sym); + int status = (sym_re_p ? regcomp : globcomp) + (&symbol_re, sym, 0); + if (status != 0) { + char buf[100]; + regerror(status, &symbol_re, buf, sizeof buf); + fprintf(stderr, "Rule near '%s' will be ignored: %s.\n", + expr, buf); + goto fail; + } + } + + if (compile_libname(expr, a_lib, lib_re_p, matcher) < 0) { + regfree(&symbol_re); + goto fail; + } + + filter_rule_init(rule, type, matcher, symbol_re); + filter_add_rule(filt, rule); +} + +static int +grok_libname_pattern(char **libnamep, char **libendp) +{ + char *libname = *libnamep; + char *libend = *libendp; + + if (libend[0] != '/') + return 0; + + *libend-- = 0; + if (libname != libend && libname[0] == '/') + ++libname; + else + fprintf(stderr, "Unmatched '/' in library name.\n"); + + *libendp = libend; + *libnamep = libname; + return 1; +} + +static int +parse_filter(struct filter *filt, char *expr, int operators) +{ + /* Filter is a chain of sym@lib rules separated by '-' or '+'. + * If the filter expression starts with '-', the missing + * initial rule is implicitly *@*. */ + + enum filter_rule_type type = FR_ADD; + + while (*expr != 0) { + size_t s = strcspn(expr, "-+@" + (operators ? 0 : 2)); + char *symname = expr; + char *libname; + char *next = expr + s + 1; + enum filter_rule_type this_type = type; + + if (expr[s] == 0) { + libname = "*"; + expr = next - 1; + + } else if (expr[s] == '-' || expr[s] == '+') { + type = expr[s] == '-' ? FR_SUBTRACT : FR_ADD; + expr[s] = 0; + libname = "*"; + expr = next; + + } else { + assert(expr[s] == '@'); + expr[s] = 0; + s = strcspn(next, "-+" + (operators ? 0 : 2)); + if (s == 0) { + libname = "*"; + expr = next; + } else if (next[s] == 0) { + expr = next + s; + libname = next; + } else { + assert(next[s] == '-' || next[s] == '+'); + type = next[s] == '-' ? FR_SUBTRACT : FR_ADD; + next[s] = 0; + expr = next + s + 1; + libname = next; + } + } + + assert(*libname != 0); + char *symend = symname + strlen(symname) - 1; + char *libend = libname + strlen(libname) - 1; + int sym_is_re = 0; + int lib_is_re = 0; + + /* + * /xxx/@... and ...@/xxx/ means that xxx are regular + * expressions. They are globs otherwise. + * + * /xxx@yyy/ is the same as /xxx/@/yyy/ + * + * @/xxx matches library path name + * @.xxx matches library relative path name + */ + if (symname[0] == '/') { + if (symname != symend && symend[0] == '/') { + ++symname; + *symend-- = 0; + sym_is_re = 1; + + } else { + sym_is_re = 1; + lib_is_re = 1; + ++symname; + + /* /XXX@YYY/ is the same as + * /XXX/@/YYY/. */ + if (libend[0] != '/') + fprintf(stderr, "Unmatched '/'" + " in symbol name.\n"); + else + *libend-- = 0; + } + } + + /* If libname ends in '/', then we expect '/' in the + * beginning too. Otherwise the initial '/' is part + * of absolute file name. */ + if (!lib_is_re) + lib_is_re = grok_libname_pattern(&libname, &libend); + + if (*symname == 0) /* /@AA/ */ + symname = "*"; + if (*libname == 0) /* /aa@/ */ + libname = "*"; + + add_filter_rule(filt, expr, this_type, + symname, sym_is_re, + libname, lib_is_re); + } + + return 0; +} + +static struct filter * +recursive_parse_chain(char *expr, int operators) +{ + struct filter *filt = malloc(sizeof(*filt)); + if (filt == NULL) { + fprintf(stderr, "(Part of) filter will be ignored: '%s': %s.\n", + expr, strerror(errno)); + return NULL; + } + + filter_init(filt); + if (parse_filter(filt, expr, operators) < 0) { + fprintf(stderr, "Filter '%s' will be ignored.\n", expr); + free(filt); + filt = NULL; + } + + return filt; +} + +static struct filter ** +slist_chase_end(struct filter **begin) +{ + for (; *begin != NULL; begin = &(*begin)->next) + ; + return begin; +} + +static void +parse_filter_chain(const char *expr, struct filter **retp) +{ + char *str = strdup(expr); + if (str == NULL) { + fprintf(stderr, "Filter '%s' will be ignored: %s.\n", + expr, strerror(errno)); + return; + } + /* Support initial '!' for backward compatibility. */ + if (str[0] == '!') + str[0] = '-'; + + *slist_chase_end(retp) = recursive_parse_chain(str, 1); + free(str); +} + +static int +parse_int(const char *optarg, char opt, int min, int max) +{ + char *endptr; + long int l = strtol(optarg, &endptr, 0); + if (l < min || (max != 0 && l > max) + || *optarg == 0 || *endptr != 0) { + const char *fmt = max != 0 + ? "Invalid argument to -%c: '%s'. Use integer %d..%d.\n" + : "Invalid argument to -%c: '%s'. Use integer >=%d.\n"; + fprintf(stderr, fmt, opt, optarg, min, max); + exit(1); + } + return (int)l; +} + char ** -process_options(int argc, char **argv) { +process_options(int argc, char **argv) +{ progname = argv[0]; options.output = stderr; + options.no_signals = 0; +#if defined(HAVE_LIBUNWIND) + options.bt_depth = -1; +#endif /* defined(HAVE_LIBUNWIND) */ guess_cols(); + int libcalls = 1; + while (1) { int c; char *p; @@ -198,23 +472,34 @@ process_options(int argc, char **argv) { {"library", 1, 0, 'l'}, {"output", 1, 0, 'o'}, {"version", 0, 0, 'V'}, + {"no-signals", 0, 0, 'b'}, +#if defined(HAVE_LIBUNWIND) + {"where", 1, 0, 'w'}, +#endif /* defined(HAVE_LIBUNWIND) */ {0, 0, 0, 0} }; - c = getopt_long(argc, argv, "+cfhiLrStTV" + c = getopt_long(argc, argv, "+cfhiLrStTVb" # ifdef USE_DEMANGLE "C" # endif +#if defined(HAVE_LIBUNWIND) + "a:A:D:e:F:l:n:o:p:s:u:x:X:w:", long_options, +#else /* !defined(HAVE_LIBUNWIND) */ "a:A:D:e:F:l:n:o:p:s:u:x:X:", long_options, +#endif &option_index); if (c == -1) { break; } switch (c) { case 'a': - options.align = atoi(optarg); + options.align = parse_int(optarg, 'a', 0, 0); break; case 'A': - options.arraylen = atoi(optarg); + options.arraylen = parse_int(optarg, 'A', 0, 0); + break; + case 'b': + options.no_signals = 1; break; case 'c': options.summary++; @@ -235,50 +520,28 @@ process_options(int argc, char **argv) { err_usage(); } break; + case 'e': - { - char *str_e = strdup(optarg); - if (!str_e) { - perror("ltrace: strdup"); - exit(1); - } - if (str_e[0] == '!') { - opt_e_enable = 0; - str_e++; - } - while (*str_e) { - struct opt_e_t *tmp; - char *str2 = strchr(str_e, ','); - if (str2) { - *str2 = '\0'; - } - tmp = malloc(sizeof(struct opt_e_t)); - if (!tmp) { - perror("ltrace: malloc"); - exit(1); - } - tmp->name = str_e; - tmp->next = opt_e; - opt_e = tmp; - if (str2) { - str_e = str2 + 1; - } else { - break; - } - } - break; - } + parse_filter_chain(optarg, &options.plt_filter); + break; + case 'f': options.follow = 1; break; case 'F': { - struct opt_F_t *tmp = malloc(sizeof(struct opt_F_t)); - if (!tmp) { - perror("ltrace: malloc"); + struct opt_F_t *tmp = malloc(sizeof(*tmp)); + if (tmp == NULL) { + fail: + fprintf(stderr, "%s\n", + strerror(errno)); + free(tmp); exit(1); } tmp->filename = strdup(optarg); + if (tmp->filename == NULL) + goto fail; + tmp->own_filename = 1; tmp->next = opt_F; opt_F = tmp; break; @@ -289,26 +552,27 @@ process_options(int argc, char **argv) { case 'i': opt_i++; break; - case 'l': - if (library_num == MAX_LIBRARIES) { - fprintf(stderr, - "Too many libraries. Maximum is %i.\n", - MAX_LIBRARIES); - exit(1); - } - library[library_num++] = optarg; + + case 'l': { + size_t patlen = strlen(optarg); + char buf[patlen + 2]; + sprintf(buf, "@%s", optarg); + *slist_chase_end(&options.export_filter) + = recursive_parse_chain(buf, 0); break; + } + case 'L': - options.libcalls = 0; + libcalls = 0; break; case 'n': - options.indent = atoi(optarg); + options.indent = parse_int(optarg, 'n', 0, 20); break; case 'o': options.output = fopen(optarg, "w"); if (!options.output) { fprintf(stderr, - "Can't open %s for output: %s\n", + "can't open %s for writing: %s\n", optarg, strerror(errno)); exit(1); } @@ -322,7 +586,7 @@ process_options(int argc, char **argv) { perror("ltrace: malloc"); exit(1); } - tmp->pid = atoi(optarg); + tmp->pid = parse_int(optarg, 'p', 1, 0); tmp->next = opt_p; opt_p = tmp; break; @@ -331,7 +595,7 @@ process_options(int argc, char **argv) { opt_r++; break; case 's': - options.strlen = atoi(optarg); + options.strlen = parse_int(optarg, 's', 0, 0); break; case 'S': options.syscalls = 1; @@ -351,39 +615,16 @@ process_options(int argc, char **argv) { "This is free software; see the GNU General Public Licence\n" "version 2 or later for copying conditions. There is NO warranty.\n"); exit(0); - case 'X': -#ifdef PLT_REINITALISATION_BP - PLTs_initialized_by_here = optarg; -#else - fprintf(stderr, "WARNING: \"-X\" not used for this " - "architecture: assuming you meant \"-x\"\n"); -#endif - /* Fall Thru */ + break; +#if defined(HAVE_LIBUNWIND) + case 'w': + options.bt_depth = parse_int(optarg, 'w', 1, 0); + break; +#endif /* defined(HAVE_LIBUNWIND) */ case 'x': - { - struct opt_x_t *p = opt_x; - - /* First, check for duplicate. */ - while (p && strcmp(p->name, optarg)) { - p = p->next; - } - if (p) { - break; - } - - /* If not duplicate, add to list. */ - p = malloc(sizeof(struct opt_x_t)); - if (!p) { - perror("ltrace: malloc"); - exit(1); - } - p->name = optarg; - p->found = 0; - p->next = opt_x; - opt_x = p; - break; - } + parse_filter_chain(optarg, &options.static_filter); + break; default: err_usage(); @@ -397,7 +638,9 @@ process_options(int argc, char **argv) { opt_F->next = malloc(sizeof(struct opt_F_t)); opt_F->next->next = NULL; opt_F->filename = USER_CONFIG_FILE; + opt_F->own_filename = 0; opt_F->next->filename = SYSTEM_CONFIG_FILE; + opt_F->next->own_filename = 0; } /* Reverse the config file list since it was built by * prepending, and it would make more sense to process the @@ -415,12 +658,29 @@ process_options(int argc, char **argv) { opt_F = egg; } + /* If neither -e, nor -l, nor -L are used, set default -e. + * Use @MAIN for now, as that's what ltrace used to have in + * the past. XXX Maybe we should make this "*" instead. */ + if (libcalls + && options.plt_filter == NULL + && options.export_filter == NULL) { + parse_filter_chain("@MAIN", &options.plt_filter); + options.hide_caller = 1; + } + if (!libcalls && options.plt_filter != NULL) { + fprintf(stderr, + "%s: Option -L can't be used with -e or -l.\n", + progname); + err_usage(); + } + if (!opt_p && argc < 1) { fprintf(stderr, "%s: too few arguments\n", progname); err_usage(); } if (opt_r && opt_t) { - fprintf(stderr, "%s: Incompatible options -r and -t\n", + fprintf(stderr, + "%s: Options -r and -t can't be used together\n", progname); err_usage(); } diff --git a/options.h b/options.h index db253c5..e1cc823 100644 --- a/options.h +++ b/options.h @@ -1,19 +1,55 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2009,2010 Joe Damato + * Copyright (C) 1998,2002,2008 Juan Cespedes + * Copyright (C) 2006 Ian Wienand + * Copyright (C) 2006 Steve Fink + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include #include +#include "forward.h" + struct options_t { - int align; /* -a: default alignment column for results */ - char * user; /* -u: username to run command as */ - int syscalls; /* -S: display system calls */ - int libcalls; /* -L: display library calls */ - int demangle; /* -C: demangle low-level names into user-level names */ - int indent; /* -n: indent trace output according to program flow */ - FILE *output; /* output to a specific file */ - int summary; /* count time, calls, and report a summary on program exit */ - int debug; /* debug */ - int arraylen; /* default maximum # of array elements printed */ - int strlen; /* default maximum # of bytes printed in strings */ - int follow; /* trace child processes */ + int align; /* -a: default alignment column for results */ + char * user; /* -u: username to run command as */ + int syscalls; /* -S: display system calls */ + int demangle; /* -C: demangle low-level names into user-level names */ + int indent; /* -n: indent trace output according to program flow */ + FILE *output; /* output to a specific file */ + int summary; /* count time, calls, and report a summary on program exit */ + int debug; /* debug */ + size_t arraylen; /* default maximum # of array elements printed */ + size_t strlen; /* default maximum # of bytes printed in strings */ + int follow; /* trace child processes */ + int no_signals; /* don't print signals */ +#if defined(HAVE_LIBUNWIND) + int bt_depth; /* how may levels of stack frames to show */ +#endif /* defined(HAVE_LIBUNWIND) */ + struct filter *plt_filter; + struct filter *static_filter; + + /* A filter matching library names of libraries, whose + * exported symbols we wish to trace. */ + struct filter *export_filter; + + int hide_caller; /* Whether caller library should be hidden. */ }; extern struct options_t options; @@ -27,29 +63,15 @@ struct opt_p_t { struct opt_p_t *next; }; -struct opt_e_t { - char *name; - struct opt_e_t *next; -}; - -struct opt_F_t { - char *filename; +struct opt_F_t +{ struct opt_F_t *next; -}; - -struct opt_x_t { - char *name; - int found; - struct opt_x_t *next; + char *filename; + int own_filename : 1; }; extern struct opt_p_t *opt_p; /* attach to process with a given pid */ -extern struct opt_e_t *opt_e; /* list of function names to display */ -extern int opt_e_enable; /* 0 if '!' is used, 1 otherwise */ - extern struct opt_F_t *opt_F; /* alternate configuration file(s) */ -extern struct opt_x_t *opt_x; /* list of functions to break at */ - extern char **process_options(int argc, char **argv); diff --git a/output.c b/output.c index bb07ab1..1d01d31 100644 --- a/output.c +++ b/output.c @@ -1,3 +1,31 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011,2012 Petr Machata, Red Hat Inc. + * Copyright (C) 2010 Joe Damato + * Copyright (C) 1997,1998,1999,2001,2002,2003,2004,2007,2008,2009 Juan Cespedes + * Copyright (C) 2006 Paul Gilliam, IBM Corporation + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +/* glibc before 2.10, eglibc and uClibc all need _GNU_SOURCE defined + * for open_memstream to become visible. */ +#define _GNU_SOURCE + #include "config.h" #include @@ -7,8 +35,18 @@ #include #include #include +#include +#include #include "common.h" +#include "proc.h" +#include "library.h" +#include "type.h" +#include "value.h" +#include "value_dict.h" +#include "param.h" +#include "fetch.h" +#include "lens_default.h" /* TODO FIXME XXX: include in common.h: */ extern struct timeval current_time_spent; @@ -16,17 +54,19 @@ extern struct timeval current_time_spent; Dict *dict_opt_c = NULL; static Process *current_proc = 0; -static int current_depth = 0; +static size_t current_depth = 0; static int current_column = 0; static void -output_indent(Process *proc) { - current_column += - fprintf(options.output, "%*s", options.indent * proc->callstack_depth, ""); +output_indent(struct Process *proc) +{ + int d = options.indent * (proc->callstack_depth - 1); + current_column += fprintf(options.output, "%*s", d, ""); } static void -begin_of_line(enum tof type, Process *proc) { +begin_of_line(Process *proc, int is_func, int indent) +{ current_column = 0; if (!proc) { return; @@ -82,66 +122,115 @@ begin_of_line(enum tof type, Process *proc) { } } if (opt_i) { - if (type == LT_TOF_FUNCTION || type == LT_TOF_FUNCTIONR) { + if (is_func) current_column += fprintf(options.output, "[%p] ", proc->return_addr); - } else { + else current_column += fprintf(options.output, "[%p] ", proc->instruction_pointer); - } } - if (options.indent > 0 && type != LT_TOF_NONE) { + if (options.indent > 0 && indent) { output_indent(proc); } } +static struct arg_type_info * +get_unknown_type(void) +{ + static struct arg_type_info *info = NULL; + if (info == NULL) { + info = malloc(sizeof(*info)); + if (info == NULL) { + report_global_error("malloc: %s", strerror(errno)); + abort(); + } + *info = *type_get_simple(ARGTYPE_LONG); + info->lens = &guess_lens; + } + return info; +} + +/* The default prototype is: long X(long, long, long, long). */ +static Function * +build_default_prototype(void) +{ + Function *ret = malloc(sizeof(*ret)); + size_t i = 0; + if (ret == NULL) + goto err; + memset(ret, 0, sizeof(*ret)); + + struct arg_type_info *unknown_type = get_unknown_type(); + + ret->return_info = unknown_type; + ret->own_return_info = 0; + + ret->num_params = 4; + ret->params = malloc(sizeof(*ret->params) * ret->num_params); + if (ret->params == NULL) + goto err; + + for (i = 0; i < ret->num_params; ++i) + param_init_type(&ret->params[i], unknown_type, 0); + + return ret; + +err: + report_global_error("malloc: %s", strerror(errno)); + if (ret->params != NULL) { + while (i-- > 0) + param_destroy(&ret->params[i]); + free(ret->params); + } + + free(ret); + + return NULL; +} + static Function * -name2func(char *name) { +name2func(char const *name) { Function *tmp; const char *str1, *str2; - tmp = list_of_functions; - while (tmp) { -#ifdef USE_DEMANGLE - str1 = options.demangle ? my_demangle(tmp->name) : tmp->name; - str2 = options.demangle ? my_demangle(name) : name; -#else + for (tmp = list_of_functions; tmp != NULL; tmp = tmp->next) { str1 = tmp->name; str2 = name; -#endif - if (!strcmp(str1, str2)) { - + if (!strcmp(str1, str2)) return tmp; - } - tmp = tmp->next; } - return NULL; + + static Function *def = NULL; + if (def == NULL) + def = build_default_prototype(); + + return def; } void -output_line(Process *proc, char *fmt, ...) { - va_list args; - - if (options.summary) { +output_line(struct Process *proc, const char *fmt, ...) +{ + if (options.summary) return; - } - if (current_proc) { - if (current_proc->callstack[current_depth].return_addr) { + + if (current_proc != NULL) { + if (current_proc->callstack[current_depth].return_addr) fprintf(options.output, " \n"); - } else { + else fprintf(options.output, " \n"); - } } - current_proc = 0; - if (!fmt) { + current_proc = NULL; + if (fmt == NULL) return; - } - begin_of_line(LT_TOF_NONE, proc); + begin_of_line(proc, 0, 0); + + va_list args; va_start(args, fmt); vfprintf(options.output, fmt, args); fprintf(options.output, "\n"); va_end(args); + current_column = 0; } @@ -152,69 +241,270 @@ tabto(int col) { } } +static int +output_error(FILE *stream) +{ + return fprintf(stream, "?"); +} + +static int +fetch_simple_param(enum tof type, Process *proc, struct fetch_context *context, + struct value_dict *arguments, + struct arg_type_info *info, int own, + struct value *valuep) +{ + /* Arrays decay into pointers per C standard. We check for + * this here, because here we also capture arrays that come + * from parameter packs. */ + if (info->type == ARGTYPE_ARRAY) { + struct arg_type_info *tmp = malloc(sizeof(*tmp)); + if (tmp != NULL) { + type_init_pointer(tmp, info, own); + tmp->lens = info->lens; + info = tmp; + own = 1; + } + } + + struct value value; + value_init(&value, proc, NULL, info, own); + if (fetch_arg_next(context, type, proc, info, &value) < 0) + return -1; + + if (val_dict_push_next(arguments, &value) < 0) { + value_destroy(&value); + return -1; + } + + if (valuep != NULL) + *valuep = value; + + return 0; +} + +static void +fetch_param_stop(struct value_dict *arguments, ssize_t *params_leftp) +{ + if (*params_leftp == -1) + *params_leftp = val_dict_count(arguments); +} + +static int +fetch_param_pack(enum tof type, Process *proc, struct fetch_context *context, + struct value_dict *arguments, struct param *param, + ssize_t *params_leftp) +{ + struct param_enum *e = param_pack_init(param, arguments); + if (e == NULL) + return -1; + + int ret = 0; + while (1) { + int insert_stop = 0; + struct arg_type_info *info = malloc(sizeof(*info)); + if (info == NULL + || param_pack_next(param, e, info, &insert_stop) < 0) { + fail: + free(info); + ret = -1; + break; + } + + if (insert_stop) + fetch_param_stop(arguments, params_leftp); + + if (info->type == ARGTYPE_VOID) { + type_destroy(info); + free(info); + break; + } + + struct value val; + if (fetch_simple_param(type, proc, context, arguments, + info, 1, &val) < 0) + goto fail; + + int stop = 0; + switch (param_pack_stop(param, e, &val)) { + case PPCB_ERR: + goto fail; + case PPCB_STOP: + stop = 1; + case PPCB_CONT: + break; + } + + if (stop) + break; + } + + param_pack_done(param, e); + return ret; +} + +static int +fetch_one_param(enum tof type, Process *proc, struct fetch_context *context, + struct value_dict *arguments, struct param *param, + ssize_t *params_leftp) +{ + switch (param->flavor) { + int rc; + case PARAM_FLAVOR_TYPE: + return fetch_simple_param(type, proc, context, arguments, + param->u.type.type, 0, NULL); + + case PARAM_FLAVOR_PACK: + if (fetch_param_pack_start(context, + param->u.pack.ppflavor) < 0) + return -1; + rc = fetch_param_pack(type, proc, context, arguments, + param, params_leftp); + fetch_param_pack_end(context); + return rc; + + case PARAM_FLAVOR_STOP: + fetch_param_stop(arguments, params_leftp); + return 0; + } + + assert(!"Invalid param flavor!"); + abort(); +} + +static int +fetch_params(enum tof type, Process *proc, struct fetch_context *context, + struct value_dict *arguments, Function *func, ssize_t *params_leftp) +{ + size_t i; + for (i = 0; i < func->num_params; ++i) + if (fetch_one_param(type, proc, context, arguments, + &func->params[i], params_leftp) < 0) + return -1; + + /* Implicit stop at the end of parameter list. */ + fetch_param_stop(arguments, params_leftp); + + return 0; +} + +struct format_argument_data +{ + struct value *value; + struct value_dict *arguments; +}; + +static int +format_argument_cb(FILE *stream, void *ptr) +{ + struct format_argument_data *data = ptr; + int o = format_argument(stream, data->value, data->arguments); + if (o < 0) + o = output_error(stream); + return o; +} + +static int +output_params(struct value_dict *arguments, size_t start, size_t end, + int *need_delimp) +{ + size_t i; + for (i = start; i < end; ++i) { + struct value *value = val_dict_get_num(arguments, i); + if (value == NULL) + return -1; + + struct format_argument_data data = { value, arguments }; + int o = delim_output(options.output, need_delimp, + format_argument_cb, &data); + if (o < 0) + return -1; + current_column += o; + } + return 0; +} + void -output_left(enum tof type, Process *proc, char *function_name) { +output_left(enum tof type, struct Process *proc, + struct library_symbol *libsym) +{ + const char *function_name = libsym->name; Function *func; - static arg_type_info *arg_unknown = NULL; - if (arg_unknown == NULL) - arg_unknown = lookup_prototype(ARGTYPE_UNKNOWN); if (options.summary) { return; } if (current_proc) { fprintf(options.output, " \n"); - current_proc = 0; current_column = 0; } current_proc = proc; current_depth = proc->callstack_depth; - proc->type_being_displayed = type; - begin_of_line(type, proc); + begin_of_line(proc, type == LT_TOF_FUNCTION, 1); + if (!options.hide_caller && libsym->lib != NULL + && libsym->plt_type != LS_TOPLT_NONE) + /* We don't terribly mind failing this. */ + account_output(¤t_column, + fprintf(options.output, "%s->", + libsym->lib->soname)); + + const char *name = function_name; #ifdef USE_DEMANGLE - current_column += - fprintf(options.output, "%s(", - options.demangle ? my_demangle(function_name) : function_name); -#else - current_column += fprintf(options.output, "%s(", function_name); + if (options.demangle) + name = my_demangle(function_name); #endif + if (account_output(¤t_column, + fprintf(options.output, "%s", name)) < 0) + return; + + if (libsym->lib != NULL + && libsym->lib->type != LT_LIBTYPE_MAIN + && libsym->plt_type == LS_TOPLT_NONE + && account_output(¤t_column, + fprintf(options.output, "@%s", + libsym->lib->soname)) < 0) + /* We do mind failing this though. */ + return; + + account_output(¤t_column, fprintf(options.output, "(")); func = name2func(function_name); - if (!func) { - int i; - for (i = 0; i < 4; i++) { - current_column += - display_arg(type, proc, i, arg_unknown); - current_column += fprintf(options.output, ", "); - } - current_column += display_arg(type, proc, 4, arg_unknown); + if (func == NULL) { + account_output(¤t_column, fprintf(options.output, "???")); return; - } else { - int i; - for (i = 0; i < func->num_params - func->params_right - 1; i++) { - current_column += - display_arg(type, proc, i, func->arg_info[i]); - current_column += fprintf(options.output, ", "); - } - if (func->num_params > func->params_right) { - current_column += - display_arg(type, proc, i, func->arg_info[i]); - if (func->params_right) { - current_column += fprintf(options.output, ", "); - } - } - if (func->params_right) { - save_register_args(type, proc); - } } + + struct fetch_context *context = fetch_arg_init(type, proc, + func->return_info); + struct value_dict *arguments = malloc(sizeof(*arguments)); + if (arguments == NULL) + return; + val_dict_init(arguments); + + ssize_t params_left = -1; + int need_delim = 0; + if (fetch_params(type, proc, context, arguments, func, ¶ms_left) < 0 + || output_params(arguments, 0, params_left, &need_delim) < 0) { + val_dict_destroy(arguments); + fetch_arg_done(context); + arguments = NULL; + context = NULL; + } + + struct callstack_element *stel + = &proc->callstack[proc->callstack_depth - 1]; + stel->fetch_context = context; + stel->arguments = arguments; + stel->out.params_left = params_left; + stel->out.need_delim = need_delim; } void -output_right(enum tof type, Process *proc, char *function_name) { +output_right(enum tof type, struct Process *proc, struct library_symbol *libsym) +{ + const char *function_name = libsym->name; Function *func = name2func(function_name); - static arg_type_info *arg_unknown = NULL; - if (arg_unknown == NULL) - arg_unknown = lookup_prototype(ARGTYPE_UNKNOWN); + if (func == NULL) + return; if (options.summary) { struct opt_c_struct *st; @@ -255,7 +545,7 @@ output_right(enum tof type, Process *proc, char *function_name) { current_proc = 0; } if (current_proc != proc) { - begin_of_line(type, proc); + begin_of_line(proc, type == LT_TOF_FUNCTIONR, 1); #ifdef USE_DEMANGLE current_column += fprintf(options.output, "<... %s resumed> ", @@ -266,38 +556,156 @@ output_right(enum tof type, Process *proc, char *function_name) { #endif } - if (!func) { - current_column += fprintf(options.output, ") "); - tabto(options.align - 1); - fprintf(options.output, "= "); - display_arg(type, proc, -1, arg_unknown); - } else { - int i; - for (i = func->num_params - func->params_right; - i < func->num_params - 1; i++) { - current_column += - display_arg(type, proc, i, func->arg_info[i]); - current_column += fprintf(options.output, ", "); - } - if (func->params_right) { - current_column += - display_arg(type, proc, i, func->arg_info[i]); - } - current_column += fprintf(options.output, ") "); - tabto(options.align - 1); - fprintf(options.output, "= "); - if (func->return_info->type == ARGTYPE_VOID) { - fprintf(options.output, ""); - } else { - display_arg(type, proc, -1, func->return_info); - } + struct callstack_element *stel + = &proc->callstack[proc->callstack_depth - 1]; + + struct fetch_context *context = stel->fetch_context; + + /* Fetch & enter into dictionary the retval first, so that + * other values can use it in expressions. */ + struct value retval; + int own_retval = 0; + if (context != NULL) { + value_init(&retval, proc, NULL, func->return_info, 0); + own_retval = 1; + if (fetch_retval(context, type, proc, func->return_info, + &retval) < 0) + value_set_type(&retval, NULL, 0); + else if (stel->arguments != NULL + && val_dict_push_named(stel->arguments, &retval, + "retval", 0) == 0) + own_retval = 0; + } + + if (stel->arguments != NULL) + output_params(stel->arguments, stel->out.params_left, + val_dict_count(stel->arguments), + &stel->out.need_delim); + + current_column += fprintf(options.output, ") "); + tabto(options.align - 1); + fprintf(options.output, "= "); + + if (context != NULL && retval.type != NULL) { + struct format_argument_data data = { &retval, stel->arguments }; + format_argument_cb(options.output, &data); } + + if (own_retval) + value_destroy(&retval); + if (opt_T) { fprintf(options.output, " <%lu.%06d>", current_time_spent.tv_sec, (int)current_time_spent.tv_usec); } fprintf(options.output, "\n"); + +#if defined(HAVE_LIBUNWIND) + if (options.bt_depth > 0) { + unw_cursor_t cursor; + unw_word_t ip, sp; + int unwind_depth = options.bt_depth; + char fn_name[100]; + + unw_init_remote(&cursor, proc->unwind_as, proc->unwind_priv); + while (unwind_depth) { + unw_get_reg(&cursor, UNW_REG_IP, &ip); + unw_get_reg(&cursor, UNW_REG_SP, &sp); + unw_get_proc_name(&cursor, fn_name, 100, NULL); + fprintf(options.output, "\t\t\t%s (ip = 0x%lx)\n", fn_name, (long) ip); + if (unw_step(&cursor) <= 0) + break; + unwind_depth--; + } + fprintf(options.output, "\n"); + } +#endif /* defined(HAVE_LIBUNWIND) */ + current_proc = 0; current_column = 0; } + +int +delim_output(FILE *stream, int *need_delimp, + int (*writer)(FILE *stream, void *data), + void *data) +{ + int o; + + /* If we don't need a delimiter, then we don't need to go + * through a temporary stream. It's all the same whether + * WRITER emits anything or not. */ + if (!*need_delimp) { + o = writer(stream, data); + + } else { + char *buf; + size_t bufsz; + FILE *tmp = open_memstream(&buf, &bufsz); + o = writer(tmp, data); + fclose(tmp); + + if (o > 0 && ((*need_delimp + && account_output(&o, fprintf(stream, ", ")) < 0) + || fwrite(buf, 1, bufsz, stream) != bufsz)) + o = -1; + + free(buf); + } + + if (o < 0) + return -1; + + *need_delimp = *need_delimp || o > 0; + return o; +} + +int +account_output(int *countp, int c) +{ + if (c > 0) + *countp += c; + return c; +} + +static void +do_report(const char *filename, unsigned line_no, const char *severity, + const char *fmt, va_list args) +{ + char buf[128]; + vsnprintf(buf, sizeof(buf), fmt, args); + buf[sizeof(buf) - 1] = 0; + if (filename != NULL) + output_line(0, "%s:%d: %s: %s", + filename, line_no, severity, buf); + else + output_line(0, "%s: %s", severity, buf); +} + +void +report_error(const char *filename, unsigned line_no, const char *fmt, ...) +{ + va_list args; + va_start(args, fmt); + do_report(filename, line_no, "error", fmt, args); + va_end(args); +} + +void +report_warning(const char *filename, unsigned line_no, const char *fmt, ...) +{ + va_list args; + va_start(args, fmt); + do_report(filename, line_no, "warning", fmt, args); + va_end(args); +} + +void +report_global_error(const char *fmt, ...) +{ + va_list args; + va_start(args, fmt); + do_report(NULL, 0, "error", fmt, args); + va_end(args); +} diff --git a/output.h b/output.h index c58577a..0d16657 100644 --- a/output.h +++ b/output.h @@ -1,3 +1,58 @@ -void output_line(Process *proc, char *fmt, ...); -void output_left(enum tof type, Process *proc, char *function_name); -void output_right(enum tof type, Process *proc, char *function_name); +/* + * This file is part of ltrace. + * Copyright (C) 2011, 2012 Petr Machata, Red Hat Inc. + * Copyright (C) 2009 Juan Cespedes + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ +#ifndef _OUTPUT_H_ +#define _OUTPUT_H_ + +#include "fetch.h" +#include "forward.h" + +void output_line(struct Process *proc, const char *fmt, ...); +void output_left(enum tof type, struct Process *proc, + struct library_symbol *libsym); +void output_right(enum tof type, struct Process *proc, + struct library_symbol *libsym); + +/* This function is for emitting lists of comma-separated strings. + * + * STREAM is where the output should be eventually sent. + * + * WRITER is the function to do the output. It returns number of + * characters written, or a negative value if there were errors (like + * what fprintf does). If WRITER returns 0, it means nothing was + * written, and separator shouldn't therefore be emitted either. + * + * NEED_DELIMP serves for keeping state between calls. It should + * point to a variable that is initialized to 0. DATA is passed + * verbatim to the WRITER. + * + * Returns number of characters written to STREAM (including any + * separators), or a negative value if there were errors. */ +int delim_output(FILE *stream, int *need_delimp, + int (*writer)(FILE *stream, void *data), void *data); + +/* If C is positive, add it to *COUNTP. Returns C. */ +int account_output(int *countp, int c); + +void report_error(char const *file, unsigned line_no, const char *fmt, ...); +void report_warning(char const *file, unsigned line_no, const char *fmt, ...); +void report_global_error(const char *fmt, ...); + +#endif /* _OUTPUT_H_ */ diff --git a/param.c b/param.c new file mode 100644 index 0000000..a712dad --- /dev/null +++ b/param.c @@ -0,0 +1,141 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011,2012 Petr Machata, Red Hat Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include +#include + +#include "param.h" +#include "type.h" +#include "value.h" +#include "expr.h" + +void +param_init_type(struct param *param, struct arg_type_info *type, int own) +{ + param->flavor = PARAM_FLAVOR_TYPE; + param->u.type.type = type; + param->u.type.own_type = own; +} + +void +param_init_stop(struct param *param) +{ + param->flavor = PARAM_FLAVOR_STOP; +} + +void +param_init_pack(struct param *param, enum param_pack_flavor ppflavor, + struct expr_node *args, size_t nargs, int own_args, + struct param_enum *(*init)(struct value *cb_args, + size_t nargs, + struct value_dict *arguments), + int (*next)(struct param_enum *context, + struct arg_type_info *infop, + int *insert_stop), + enum param_status (*stop)(struct param_enum *ctx, + struct value *value), + void (*done)(struct param_enum *)) +{ + param->flavor = PARAM_FLAVOR_PACK; + param->u.pack.args = args; + param->u.pack.nargs = nargs; + param->u.pack.own_args = own_args; + param->u.pack.ppflavor = ppflavor; + param->u.pack.init = init; + param->u.pack.next = next; + param->u.pack.stop = stop; + param->u.pack.done = done; +} + +struct param_enum * +param_pack_init(struct param *param, struct value_dict *fargs) +{ + struct value cb_args[param->u.pack.nargs]; + size_t i; + + /* For evaluation of argument expressions, we pass in this as + * a "current" value. */ + struct arg_type_info *void_type = type_get_simple(ARGTYPE_VOID); + struct value void_val; + value_init_detached(&void_val, NULL, void_type, 0); + + struct param_enum *ret = NULL; + for (i = 0; i < param->u.pack.nargs; ++i) { + if (expr_eval(¶m->u.pack.args[i], &void_val, + fargs, &cb_args[i]) < 0) + goto release; + } + + ret = param->u.pack.init(cb_args, param->u.pack.nargs, fargs); + +release: + while (i-- > 0) + value_destroy(&cb_args[i]); + return ret; +} + +int +param_pack_next(struct param *param, struct param_enum *context, + struct arg_type_info *infop, int *insert_stop) +{ + return param->u.pack.next(context, infop, insert_stop); +} + +enum param_status +param_pack_stop(struct param *param, + struct param_enum *context, struct value *value) +{ + return param->u.pack.stop(context, value); +} + +void +param_pack_done(struct param *param, struct param_enum *context) +{ + return param->u.pack.done(context); +} + +void +param_destroy(struct param *param) +{ + if (param == NULL) + return; + + switch (param->flavor) { + case PARAM_FLAVOR_TYPE: + if (param->u.type.own_type) { + type_destroy(param->u.type.type); + free(param->u.type.type); + } + return; + + case PARAM_FLAVOR_PACK: + if (param->u.pack.own_args) { + size_t i; + for (i = 0; i < param->u.pack.nargs; ++i) + expr_destroy(¶m->u.pack.args[i]); + free(param->u.pack.args); + } + case PARAM_FLAVOR_STOP: + return; + } + + assert(!"Unknown value of param flavor!"); + abort(); +} diff --git a/param.h b/param.h new file mode 100644 index 0000000..d6da96b --- /dev/null +++ b/param.h @@ -0,0 +1,163 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011,2012 Petr Machata, Red Hat Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#ifndef PARAM_H +#define PARAM_H + +#include "forward.h" + +/* The structure param holds information about a parameter of a + * function. It's used to configure a function prototype. There are + * two flavors of parameters: + * + * - simple types + * - parameter packs + * + * Parameter packs are used to describe various vararg constructs. + * They themselves are parametrized by ltrace expressions. Those will + * typically be references to other arguments, but constants might + * also make sense, and it principle, anything can be used. */ + +enum param_flavor { + PARAM_FLAVOR_TYPE, + PARAM_FLAVOR_PACK, + + /* This is for emitting arguments in two bunches. This is + * where we should stop emitting "left" bunch. All that's + * after this parameter should be emitted in the "right" + * bunch. */ + PARAM_FLAVOR_STOP, +}; + +enum param_pack_flavor { + /* This parameter pack expands to a list of ordinary + * arguments. For example if the last argument is sometimes + * ignored, that would be described by a PARAM_PACK_ARGS + * parameter pack. ioctl or ptrace are two examples that + * would benefit from this. */ + PARAM_PACK_ARGS, + + /* This parameter pack represents a vararg argument. */ + PARAM_PACK_VARARGS, +}; + +enum param_status { + PPCB_ERR = -1, /* An error occurred. */ + PPCB_STOP, /* Stop fetching the arguments. */ + PPCB_CONT, /* Display this argument and keep going. */ +}; + +/* Each parameter enumerator defines its own context object. + * Definitions of these are in respective .c files of each + * enumerator. */ +struct param_enum; + +/* int printf(string, pack(format, arg1)); */ +struct param { + enum param_flavor flavor; + union { + struct { + struct arg_type_info *type; + int own_type; + } type; + struct { + struct expr_node *args; + size_t nargs; + int own_args; + enum param_pack_flavor ppflavor; + + struct param_enum *(*init)(struct value *cb_args, + size_t nargs, + struct value_dict *arguments); + int (*next)(struct param_enum *self, + struct arg_type_info *info, + int *insert_stop); + enum param_status (*stop)(struct param_enum *self, + struct value *value); + void (*done)(struct param_enum *self); + } pack; + } u; +}; + +/* Initialize simple type parameter. TYPE is owned and released by + * PARAM if OWN_TYPE. */ +void param_init_type(struct param *param, + struct arg_type_info *type, int own_type); + +/* Initialize a stop. */ +void param_init_stop(struct param *param); + +/* Initialize parameter pack PARAM. ARGS is an array of expressions + * with parameters. ARGS is owned and released by the pack if + * OWN_ARGS. NARGS is number of ARGS. + * + * When the parameter pack should be expanded, those expressions are + * evaluated and passed to the INIT callback. This has to return a + * non-NULL context object. + * + * The NEXT callback is then called repeatedly, and should initialize + * its INFOP argument to a type of the next parameter in the pack. + * When there are no more parameters in the pack, the NEXT callback + * will set INFOP to a VOID parameter. If the callback sets + * INSERT_STOP to a non-zero value, a stop parameter shall be inserted + * before this actual parameter. + * + * Core then uses the passed-in type to fetch the next argument, which + * is in turn passed to STOP callback. This callback then tells + * ltrace core what to do next: whether there are more arguments, and + * if not, whether this argument should be displayed. + * + * After the enumeration is ended, DONE callback is called. */ +void param_init_pack(struct param *param, enum param_pack_flavor ppflavor, + struct expr_node *args, size_t nargs, int own_args, + struct param_enum *(*init)(struct value *cb_args, + size_t nargs, + struct value_dict *arguments), + int (*next)(struct param_enum *self, + struct arg_type_info *infop, + int *insert_stop), + enum param_status (*stop)(struct param_enum *self, + struct value *value), + void (*done)(struct param_enum *self)); + +/* Start enumerating types in parameter pack. This evaluates the + * parameter the pack arguments and calls the init callback. See the + * documentation of param_init_pack for details. */ +struct param_enum *param_pack_init(struct param *param, + struct value_dict *fargs); + +/* Ask for next type in enumeration. See the documentation of + * param_init_pack for details. */ +int param_pack_next(struct param *param, struct param_enum *self, + struct arg_type_info *infop, int *insert_stop); + +/* Ask whether we should stop enumerating. See the documentation of + * param_init_pack for details. */ +enum param_status param_pack_stop(struct param *param, + struct param_enum *self, struct value *value); + +/* Finish enumerating types in parameter pack. See the documentation + * of param_init_pack for details. */ +void param_pack_done(struct param *param, struct param_enum *self); + +/* Destroy data held by PARAM, but not the PARAM pointer itself. */ +void param_destroy(struct param *param); + +#endif /* PARAM_H */ diff --git a/printf.c b/printf.c new file mode 100644 index 0000000..97e2c2d --- /dev/null +++ b/printf.c @@ -0,0 +1,365 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011,2012 Petr Machata, Red Hat Inc. + * Copyright (C) 1998,2004,2007,2008,2009 Juan Cespedes + * Copyright (C) 2006 Steve Fink + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include +#include + +#include "printf.h" +#include "type.h" +#include "value.h" +#include "expr.h" +#include "zero.h" +#include "param.h" +#include "lens_default.h" + +struct param_enum { + struct value array; + int percent; + size_t *future_length; + char *format; + char const *ptr; + char const *end; +}; + +static struct param_enum * +param_printf_init(struct value *cb_args, size_t nargs, + struct value_dict *arguments) +{ + assert(nargs == 1); + + /* We expect a char array pointer. */ + if (cb_args->type->type != ARGTYPE_POINTER + || cb_args->type->u.ptr_info.info->type != ARGTYPE_ARRAY + || (cb_args->type->u.ptr_info.info->u.array_info.elt_type->type + != ARGTYPE_CHAR)) + return NULL; + + struct param_enum *self = malloc(sizeof(*self)); + if (self == NULL) { + fail: + free(self); + return NULL; + } + + if (value_init_deref(&self->array, cb_args) < 0) + goto fail; + + assert(self->array.type->type == ARGTYPE_ARRAY); + + self->format = (char *)value_get_data(&self->array, arguments); + if (self->format == NULL) { + value_destroy(&self->array); + goto fail; + } + + size_t size = value_size(&self->array, arguments); + if (size == (size_t)-1) { + value_destroy(&self->array); + goto fail; + } + + self->percent = 0; + self->ptr = self->format; + self->end = self->format + size; + self->future_length = NULL; + return self; +} + +static void +drop_future_length(struct param_enum *self) +{ + if (self->future_length != NULL) { + free(self->future_length); + self->future_length = NULL; + } +} + +static int +form_next_param(struct param_enum *self, + enum arg_type format_type, enum arg_type elt_type, + unsigned hlf, unsigned lng, char *len_buf, size_t len_buf_len, + struct arg_type_info *infop) +{ + /* XXX note: Some types are wrong because we lack + ARGTYPE_LONGLONG, ARGTYPE_UCHAR and ARGTYPE_SCHAR. */ + assert(lng <= 2); + assert(hlf <= 2); + static enum arg_type ints[] = + { ARGTYPE_CHAR, ARGTYPE_SHORT, ARGTYPE_INT, + ARGTYPE_LONG, ARGTYPE_ULONG }; + static enum arg_type uints[] = + { ARGTYPE_CHAR, ARGTYPE_USHORT, ARGTYPE_UINT, + ARGTYPE_ULONG, ARGTYPE_ULONG }; + + struct arg_type_info *elt_info = NULL; + if (format_type == ARGTYPE_ARRAY || format_type == ARGTYPE_POINTER) + elt_info = type_get_simple(elt_type); + else if (format_type == ARGTYPE_INT) + format_type = ints[2 + lng - hlf]; + else if (format_type == ARGTYPE_UINT) + format_type = uints[2 + lng - hlf]; + + + if (format_type == ARGTYPE_ARRAY) { + struct arg_type_info *array = malloc(sizeof(*array)); + if (array == NULL) + return -1; + + struct expr_node *node = NULL; + int own_node; + if (len_buf_len != 0 + || self->future_length != NULL) { + struct tmp { + struct expr_node node; + struct arg_type_info type; + }; + struct tmp *len = malloc(sizeof(*len)); + if (len == NULL) { + fail: + free(len); + free(array); + return -1; + } + + len->type = *type_get_simple(ARGTYPE_LONG); + + long l; + if (self->future_length != NULL) { + l = *self->future_length; + drop_future_length(self); + } else { + l = atol(len_buf); + } + + expr_init_const_word(&len->node, l, &len->type, 0); + + node = build_zero_w_arg(&len->node, 1); + if (node == NULL) + goto fail; + own_node = 1; + + } else { + node = expr_node_zero(); + own_node = 0; + } + assert(node != NULL); + + type_init_array(array, elt_info, 0, node, own_node); + type_init_pointer(infop, array, 1); + + } else if (format_type == ARGTYPE_POINTER) { + type_init_pointer(infop, elt_info, 1); + + } else { + *infop = *type_get_simple(format_type); + } + + return 0; +} + +static int +param_printf_next(struct param_enum *self, struct arg_type_info *infop, + int *insert_stop) +{ + unsigned hlf = 0; + unsigned lng = 0; + enum arg_type format_type = ARGTYPE_VOID; + enum arg_type elt_type = ARGTYPE_VOID; + char len_buf[25] = {}; + size_t len_buf_len = 0; + struct lens *lens = NULL; + + for (; self->ptr < self->end; ++self->ptr) { + if (!self->percent) { + if (*self->ptr == '%') + self->percent = 1; + continue; + } + + switch (*self->ptr) { + case '#': case ' ': case '-': + case '+': case 'I': case '\'': + /* These are only important for formatting, + * not for interpreting the type. */ + continue; + + case '*': + /* Length parameter given in the next + * argument. */ + if (self->future_length == NULL) + /* This should really be an assert, + * but we can't just fail on invalid + * format string. */ + self->future_length + = malloc(sizeof(*self->future_length)); + + if (self->future_length != NULL) { + ++self->ptr; + format_type = ARGTYPE_INT; + break; + } + + case '0': + case '1': case '2': case '3': + case '4': case '5': case '6': + case '7': case '8': case '9': + /* Field length likewise, but we need to parse + * this to attach the appropriate string + * length expression. */ + if (len_buf_len < sizeof(len_buf) - 1) + len_buf[len_buf_len++] = *self->ptr; + continue; + + case 'h': + if (hlf < 2) + hlf++; + continue; + + case 'l': + if (lng < 2) + lng++; + continue; + + case 'q': + lng = 2; + continue; + + case 'L': /* long double */ + lng = 1; + continue; + + case 'j': /* intmax_t */ + /* XXX ABI should know */ + lng = 2; + continue; + + case 't': /* ptrdiff_t */ + case 'Z': case 'z': /* size_t */ + lng = 1; /* XXX ABI should tell */ + continue; + + case 'd': + case 'i': + format_type = ARGTYPE_INT; + self->percent = 0; + break; + + case 'o': + lens = &octal_lens; + goto uint; + + case 'x': case 'X': + lens = &hex_lens; + case 'u': + uint: + format_type = ARGTYPE_UINT; + self->percent = 0; + break; + + case 'e': case 'E': + case 'f': case 'F': + case 'g': case 'G': + case 'a': case 'A': + format_type = ARGTYPE_DOUBLE; + self->percent = 0; + break; + + case 'C': /* like "lc" */ + if (lng == 0) + lng++; + case 'c': + /* XXX "lc" means wchar_t string. */ + format_type = ARGTYPE_CHAR; + self->percent = 0; + break; + + case 'S': /* like "ls" */ + if (lng == 0) + lng++; + case 's': + format_type = ARGTYPE_ARRAY; + /* XXX "ls" means wchar_t string. */ + elt_type = ARGTYPE_CHAR; + self->percent = 0; + lens = &string_lens; + break; + + case 'p': + case 'n': /* int* where to store no. of printed chars. */ + format_type = ARGTYPE_POINTER; + elt_type = ARGTYPE_VOID; + self->percent = 0; + break; + + case 'm': /* (glibc) print argument of errno */ + case '%': + lng = 0; + hlf = 0; + self->percent = 0; + continue; + + default: + continue; + } + + /* If we got here, the type must have been set. */ + assert(format_type != ARGTYPE_VOID); + + if (form_next_param(self, format_type, elt_type, hlf, lng, + len_buf, len_buf_len, infop) < 0) + return -1; + + infop->lens = lens; + infop->own_lens = 0; + + return 0; + } + + *infop = *type_get_simple(ARGTYPE_VOID); + return 0; +} + +static enum param_status +param_printf_stop(struct param_enum *self, struct value *value) +{ + if (self->future_length != NULL + && value_extract_word(value, (long *)self->future_length, NULL) < 0) + drop_future_length(self); + + return PPCB_CONT; +} + +static void +param_printf_done(struct param_enum *context) +{ + value_destroy(&context->array); + free(context); +} + +void +param_pack_init_printf(struct param *param, struct expr_node *arg, int own_arg) +{ + param_init_pack(param, PARAM_PACK_VARARGS, arg, 1, own_arg, + ¶m_printf_init, ¶m_printf_next, + ¶m_printf_stop, ¶m_printf_done); +} diff --git a/printf.h b/printf.h new file mode 100644 index 0000000..983c951 --- /dev/null +++ b/printf.h @@ -0,0 +1,34 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011,2012 Petr Machata, Red Hat Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#ifndef PRINTF_H +#define PRINTF_H + +#include +#include "forward.h" + +/* Wrapper around param_init_pack with callbacks to handle + * printf-style format strings. ARG should be an expression that + * evaluates to a pointer to a character array with the format string + * contents. */ +void param_pack_init_printf(struct param *param, + struct expr_node *arg, int own_arg); + +#endif /* PRINTF_H */ diff --git a/proc.c b/proc.c index bfc6e41..3b4bfdb 100644 --- a/proc.c +++ b/proc.c @@ -1,65 +1,1037 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011,2012 Petr Machata, Red Hat Inc. + * Copyright (C) 2010 Joe Damato + * Copyright (C) 1998,2009 Juan Cespedes + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include "config.h" + #include -#include -#include +#include #include +#include #include +#include -#include "common.h" +#if defined(HAVE_LIBUNWIND) +#include +#include +#endif /* defined(HAVE_LIBUNWIND) */ -Process * -open_program(char *filename, pid_t pid) { - Process *proc; - proc = calloc(sizeof(Process), 1); - if (!proc) { - perror("malloc"); - exit(1); +#include "backend.h" +#include "breakpoint.h" +#include "debug.h" +#include "fetch.h" +#include "proc.h" +#include "value_dict.h" + +#ifndef ARCH_HAVE_PROCESS_DATA +int +arch_process_init(struct Process *proc) +{ + return 0; +} + +void +arch_process_destroy(struct Process *proc) +{ +} + +int +arch_process_clone(struct Process *retp, struct Process *proc) +{ + return 0; +} + +int +arch_process_exec(struct Process *proc) +{ + return 0; +} +#endif + +#ifndef OS_HAVE_PROCESS_DATA +int +os_process_init(struct Process *proc) +{ + return 0; +} + +void +os_process_destroy(struct Process *proc) +{ +} + +int +os_process_clone(struct Process *retp, struct Process *proc) +{ + return 0; +} + +int +os_process_exec(struct Process *proc) +{ + return 0; +} +#endif + +#ifndef ARCH_HAVE_DYNLINK_DONE +void +arch_dynlink_done(struct Process *proc) +{ +} +#endif + +static void add_process(struct Process *proc, int was_exec); +static void unlist_process(struct Process *proc); + +static void +destroy_unwind(struct Process *proc) +{ +#if defined(HAVE_LIBUNWIND) + _UPT_destroy(proc->unwind_priv); + unw_destroy_addr_space(proc->unwind_as); +#endif /* defined(HAVE_LIBUNWIND) */ +} + +static int +process_bare_init(struct Process *proc, const char *filename, + pid_t pid, int was_exec) +{ + if (!was_exec) { + memset(proc, 0, sizeof(*proc)); + + proc->filename = strdup(filename); + if (proc->filename == NULL) { + fail: + free(proc->filename); + if (proc->breakpoints != NULL) + dict_clear(proc->breakpoints); + return -1; + } } - proc->filename = strdup(filename); - proc->breakpoints_enabled = -1; - if (pid) { - proc->pid = pid; + + /* Add process so that we know who the leader is. */ + proc->pid = pid; + add_process(proc, was_exec); + if (proc->leader == NULL) + goto fail; + + if (proc->leader == proc) { + proc->breakpoints = dict_init(target_address_hash, + target_address_cmp); + if (proc->breakpoints == NULL) + goto fail; + } else { + proc->breakpoints = NULL; } - breakpoints_init(proc); - proc->next = list_of_processes; - list_of_processes = proc; - return proc; +#if defined(HAVE_LIBUNWIND) + proc->unwind_priv = _UPT_create(pid); + proc->unwind_as = unw_create_addr_space(&_UPT_accessors, 0); +#endif /* defined(HAVE_LIBUNWIND) */ + + return 0; +} + +static void +process_bare_destroy(struct Process *proc, int was_exec) +{ + dict_clear(proc->breakpoints); + if (!was_exec) { + free(proc->filename); + unlist_process(proc); + destroy_unwind(proc); + } +} + +static int +process_init_main(struct Process *proc) +{ + if (breakpoints_init(proc) < 0) { + fprintf(stderr, "failed to init breakpoints %d\n", + proc->pid); + return -1; + } + + return 0; +} + +int +process_init(struct Process *proc, const char *filename, pid_t pid) +{ + if (process_bare_init(proc, filename, pid, 0) < 0) { + fail: + fprintf(stderr, "failed to initialize process %d: %s\n", + pid, strerror(errno)); + return -1; + } + + if (os_process_init(proc) < 0) { + process_bare_destroy(proc, 0); + goto fail; + } + + if (arch_process_init(proc) < 0) { + os_process_destroy(proc); + process_bare_destroy(proc, 0); + goto fail; + } + + if (proc->leader != proc) + return 0; + if (process_init_main(proc) < 0) { + process_bare_destroy(proc, 0); + goto fail; + } + return 0; +} + +static enum callback_status +destroy_breakpoint_cb(struct Process *proc, struct breakpoint *bp, void *data) +{ + breakpoint_destroy(bp); + free(bp); + return CBS_CONT; +} + +// XXX see comment in handle_event.c +void callstack_pop(struct Process *proc); + +static void +private_process_destroy(struct Process *proc, int was_exec) +{ + /* Pop remaining stack elements. */ + while (proc->callstack_depth > 0) { + /* When this is called just before a process is + * destroyed, the breakpoints should either have been + * retracted by now, or were killed by exec. In any + * case, it's safe to pretend that there are no + * breakpoints associated with the stack elements, so + * that stack_pop doesn't attempt to destroy them. */ + size_t i = proc->callstack_depth - 1; + if (!proc->callstack[i].is_syscall) + proc->callstack[i].return_addr = 0; + + callstack_pop(proc); + } + + if (!was_exec) + free(proc->filename); + + /* Libraries and symbols. This is only relevant in + * leader. */ + struct library *lib; + for (lib = proc->libraries; lib != NULL; ) { + struct library *next = lib->next; + library_destroy(lib); + free(lib); + lib = next; + } + proc->libraries = NULL; + + /* Breakpoints. */ + if (proc->breakpoints != NULL) { + proc_each_breakpoint(proc, NULL, destroy_breakpoint_cb, NULL); + dict_clear(proc->breakpoints); + proc->breakpoints = NULL; + } + + destroy_unwind(proc); } void -open_pid(pid_t pid) { +process_destroy(struct Process *proc) +{ + arch_process_destroy(proc); + os_process_destroy(proc); + private_process_destroy(proc, 0); +} + +int +process_exec(struct Process *proc) +{ + /* Call exec handlers first, before we destroy the main + * state. */ + if (arch_process_exec(proc) < 0 + || os_process_exec(proc) < 0) + return -1; + + private_process_destroy(proc, 1); + + if (process_bare_init(proc, NULL, proc->pid, 1) < 0) + return -1; + if (process_init_main(proc) < 0) { + process_bare_destroy(proc, 1); + return -1; + } + return 0; +} + +struct Process * +open_program(const char *filename, pid_t pid) +{ + assert(pid != 0); + struct Process *proc = malloc(sizeof(*proc)); + if (proc == NULL || process_init(proc, filename, pid) < 0) { + free(proc); + return NULL; + } + return proc; +} + +struct clone_single_bp_data { + struct Process *old_proc; + struct Process *new_proc; + int error; +}; + +static void +clone_single_bp(void *key, void *value, void *u) +{ + struct breakpoint *bp = value; + struct clone_single_bp_data *data = u; + + /* Don't bother if there were errors anyway. */ + if (data->error != 0) + return; + + struct breakpoint *clone = malloc(sizeof(*clone)); + if (clone == NULL + || breakpoint_clone(clone, data->new_proc, + bp, data->old_proc) < 0) { + fail: + free(clone); + data->error = -1; + } + if (proc_add_breakpoint(data->new_proc->leader, clone) < 0) { + breakpoint_destroy(clone); + goto fail; + } +} + +int +process_clone(struct Process *retp, struct Process *proc, pid_t pid) +{ + if (process_bare_init(retp, proc->filename, pid, 0) < 0) { + fail1: + fprintf(stderr, "failed to clone process %d->%d : %s\n", + proc->pid, pid, strerror(errno)); + return -1; + } + + retp->tracesysgood = proc->tracesysgood; + retp->e_machine = proc->e_machine; + retp->e_class = proc->e_class; + + /* For non-leader processes, that's all we need to do. */ + if (retp->leader != retp) + return 0; + + /* Clone symbols first so that we can clone and relink + * breakpoints. */ + struct library *lib; + struct library **nlibp = &retp->libraries; + for (lib = proc->leader->libraries; lib != NULL; lib = lib->next) { + *nlibp = malloc(sizeof(**nlibp)); + if (*nlibp == NULL + || library_clone(*nlibp, lib) < 0) { + fail2: + process_bare_destroy(retp, 0); + + /* Error when cloning. Unroll what was done. */ + for (lib = retp->libraries; lib != NULL; ) { + struct library *next = lib->next; + library_destroy(lib); + free(lib); + lib = next; + } + goto fail1; + } + + nlibp = &(*nlibp)->next; + } + + /* Now clone breakpoints. Symbol relinking is done in + * clone_single_bp. */ + struct clone_single_bp_data data = { + .old_proc = proc, + .new_proc = retp, + .error = 0, + }; + dict_apply_to_all(proc->leader->breakpoints, &clone_single_bp, &data); + if (data.error < 0) + goto fail2; + + /* And finally the call stack. */ + /* XXX clearly the callstack handling should be moved to a + * separate module and this whole business extracted to + * callstack_clone, or callstack_element_clone. */ + memcpy(retp->callstack, proc->callstack, sizeof(retp->callstack)); + retp->callstack_depth = proc->callstack_depth; + + size_t i; + for (i = 0; i < retp->callstack_depth; ++i) { + struct callstack_element *elem = &retp->callstack[i]; + struct fetch_context *ctx = elem->fetch_context; + if (ctx != NULL) { + struct fetch_context *nctx = fetch_arg_clone(retp, ctx); + if (nctx == NULL) { + size_t j; + fail3: + for (j = 0; j < i; ++j) { + nctx = elem->fetch_context; + fetch_arg_done(nctx); + elem->fetch_context = NULL; + } + goto fail2; + } + elem->fetch_context = nctx; + } + + struct value_dict *args = elem->arguments; + if (args != NULL) { + struct value_dict *nargs = malloc(sizeof(*nargs)); + if (nargs == NULL + || val_dict_clone(nargs, args) < 0) { + size_t j; + for (j = 0; j < i; ++j) { + nargs = elem->arguments; + val_dict_destroy(nargs); + free(nargs); + elem->arguments = NULL; + } + + /* Pretend that this round went well, + * so that fail3 frees I-th + * fetch_context. */ + ++i; + goto fail3; + } + elem->arguments = nargs; + } + + /* If it's not a syscall, we need to find the + * corresponding library symbol in the cloned + * library. */ + if (!elem->is_syscall && elem->c_un.libfunc != NULL) { + struct library_symbol *libfunc = elem->c_un.libfunc; + int rc = proc_find_symbol(retp, libfunc, + NULL, &elem->c_un.libfunc); + assert(rc == 0); + } + } + + /* At this point, retp is fully initialized, except for OS and + * arch parts, and we can call private_process_destroy. */ + if (os_process_clone(retp, proc) < 0) { + private_process_destroy(retp, 0); + return -1; + } + if (arch_process_clone(retp, proc) < 0) { + os_process_destroy(retp); + private_process_destroy(retp, 0); + return -1; + } + + return 0; +} + +static int +open_one_pid(pid_t pid) +{ Process *proc; char *filename; + debug(DEBUG_PROCESS, "open_one_pid(pid=%d)", pid); - if (trace_pid(pid) < 0) { - fprintf(stderr, "Cannot attach to pid %u: %s\n", pid, - strerror(errno)); - return; + /* Get the filename first. Should the trace_pid fail, we can + * easily free it, untracing is more work. */ + if ((filename = pid2name(pid)) == NULL + || trace_pid(pid) < 0) { + fail: + free(filename); + return -1; } - filename = pid2name(pid); + proc = open_program(filename, pid); + if (proc == NULL) + goto fail; + free(filename); + trace_set_options(proc); + + return 0; +} - if (!filename) { - fprintf(stderr, "Cannot trace pid %u: %s\n", pid, - strerror(errno)); +static enum callback_status +start_one_pid(Process * proc, void * data) +{ + continue_process(proc->pid); + return CBS_CONT; +} + +void +open_pid(pid_t pid) +{ + debug(DEBUG_PROCESS, "open_pid(pid=%d)", pid); + /* If we are already tracing this guy, we should be seeing all + * his children via normal tracing route. */ + if (pid2proc(pid) != NULL) + return; + + /* First, see if we can attach the requested PID itself. */ + if (open_one_pid(pid)) { + fprintf(stderr, "Cannot attach to pid %u: %s\n", + pid, strerror(errno)); + trace_fail_warning(pid); return; } - proc = open_program(filename, pid); - continue_process(pid); - proc->breakpoints_enabled = 1; + /* Now attach to all tasks that belong to that PID. There's a + * race between process_tasks and open_one_pid. So when we + * fail in open_one_pid below, we just do another round. + * Chances are that by then that PID will have gone away, and + * that's why we have seen the failure. The processes that we + * manage to open_one_pid are stopped, so we should eventually + * reach a point where process_tasks doesn't give any new + * processes (because there's nobody left to produce + * them). */ + size_t old_ntasks = 0; + int have_all; + while (1) { + pid_t *tasks; + size_t ntasks; + size_t i; + + if (process_tasks(pid, &tasks, &ntasks) < 0) { + fprintf(stderr, "Cannot obtain tasks of pid %u: %s\n", + pid, strerror(errno)); + break; + } + + have_all = 1; + for (i = 0; i < ntasks; ++i) + if (pid2proc(tasks[i]) == NULL + && open_one_pid(tasks[i])) + have_all = 0; + + free(tasks); + + if (have_all && old_ntasks == ntasks) + break; + old_ntasks = ntasks; + } + + struct Process *leader = pid2proc(pid)->leader; + + /* XXX Is there a way to figure out whether _start has + * actually already been hit? */ + arch_dynlink_done(leader); + + /* Done. Continue everyone. */ + each_task(leader, NULL, start_one_pid, NULL); +} + +static enum callback_status +find_proc(Process * proc, void * data) +{ + pid_t pid = (pid_t)(uintptr_t)data; + return proc->pid == pid ? CBS_STOP : CBS_CONT; } Process * pid2proc(pid_t pid) { + return each_process(NULL, &find_proc, (void *)(uintptr_t)pid); +} + +static Process * list_of_processes = NULL; + +static void +unlist_process(Process * proc) +{ Process *tmp; - tmp = list_of_processes; - while (tmp) { - if (pid == tmp->pid) { - return tmp; + if (list_of_processes == proc) { + list_of_processes = list_of_processes->next; + return; + } + + for (tmp = list_of_processes; ; tmp = tmp->next) { + /* If the following assert fails, the process wasn't + * in the list. */ + assert(tmp->next != NULL); + + if (tmp->next == proc) { + tmp->next = tmp->next->next; + return; + } + } +} + +struct Process * +each_process(struct Process *start_after, + enum callback_status(*cb)(struct Process *proc, void *data), + void *data) +{ + struct Process *it = start_after == NULL ? list_of_processes + : start_after->next; + + while (it != NULL) { + /* Callback might call remove_process. */ + struct Process *next = it->next; + switch ((*cb)(it, data)) { + case CBS_FAIL: + /* XXX handle me */ + case CBS_STOP: + return it; + case CBS_CONT: + break; + } + it = next; + } + return NULL; +} + +Process * +each_task(struct Process *proc, struct Process *start_after, + enum callback_status(*cb)(struct Process *proc, void *data), + void *data) +{ + assert(proc != NULL); + struct Process *it = start_after == NULL ? proc->leader + : start_after->next; + + if (it != NULL) { + struct Process *leader = it->leader; + while (it != NULL && it->leader == leader) { + /* Callback might call remove_process. */ + struct Process *next = it->next; + switch ((*cb)(it, data)) { + case CBS_FAIL: + /* XXX handle me */ + case CBS_STOP: + return it; + case CBS_CONT: + break; + } + it = next; + } + } + return NULL; +} + +static void +add_process(struct Process *proc, int was_exec) +{ + Process ** leaderp = &list_of_processes; + if (proc->pid) { + pid_t tgid = process_leader(proc->pid); + if (tgid == 0) + /* Must have been terminated before we managed + * to fully attach. */ + return; + if (tgid == proc->pid) + proc->leader = proc; + else { + Process * leader = pid2proc(tgid); + proc->leader = leader; + if (leader != NULL) + leaderp = &leader->next; } - tmp = tmp->next; } + + if (!was_exec) { + proc->next = *leaderp; + *leaderp = proc; + } +} + +void +change_process_leader(Process * proc, Process * leader) +{ + Process ** leaderp = &list_of_processes; + if (proc->leader == leader) + return; + + assert(leader != NULL); + unlist_process(proc); + if (proc != leader) + leaderp = &leader->next; + + proc->leader = leader; + proc->next = *leaderp; + *leaderp = proc; +} + +static enum callback_status +clear_leader(struct Process *proc, void *data) +{ + debug(DEBUG_FUNCTION, "detach_task %d from leader %d", + proc->pid, proc->leader->pid); + proc->leader = NULL; + return CBS_CONT; +} + +void +remove_process(Process *proc) +{ + debug(DEBUG_FUNCTION, "remove_proc(pid=%d)", proc->pid); + + if (proc->leader == proc) + each_task(proc, NULL, &clear_leader, NULL); + + unlist_process(proc); + process_removed(proc); + process_destroy(proc); + free(proc); +} + +void +install_event_handler(Process *proc, struct event_handler *handler) +{ + debug(DEBUG_FUNCTION, "install_event_handler(pid=%d, %p)", proc->pid, handler); + assert(proc->event_handler == NULL); + proc->event_handler = handler; +} + +void +destroy_event_handler(Process * proc) +{ + struct event_handler *handler = proc->event_handler; + debug(DEBUG_FUNCTION, "destroy_event_handler(pid=%d, %p)", proc->pid, handler); + assert(handler != NULL); + if (handler->destroy != NULL) + handler->destroy(handler); + free(handler); + proc->event_handler = NULL; +} + +static int +breakpoint_for_symbol(struct library_symbol *libsym, struct Process *proc) +{ + arch_addr_t bp_addr; + assert(proc->leader == proc); + + /* Don't enable latent or delayed symbols. */ + if (libsym->latent || libsym->delayed) { + debug(DEBUG_FUNCTION, + "delayed and/or latent breakpoint pid=%d, %s@%p", + proc->pid, libsym->name, libsym->enter_addr); + return 0; + } + + bp_addr = sym2addr(proc, libsym); + + /* If there is an artificial breakpoint on the same address, + * its libsym will be NULL, and we can smuggle our libsym + * there. That artificial breakpoint is there presumably for + * the callbacks, which we don't touch. If there is a real + * breakpoint, then this is a bug. ltrace-elf.c should filter + * symbols and ignore extra symbol aliases. + * + * The other direction is more complicated and currently not + * supported. If a breakpoint has custom callbacks, it might + * be also custom-allocated, and we would really need to swap + * the two: delete the one now in the dictionary, swap values + * around, and put the new breakpoint back in. */ + struct breakpoint *bp = dict_find_entry(proc->breakpoints, + bp_addr); + if (bp != NULL) { + /* MIPS backend makes duplicate requests. This is + * likely a bug in the backend. Currently there's no + * point assigning more than one symbol to a + * breakpoint, because when it hits, we won't know + * what to print out. But it's easier to fix it here + * before someone who understands MIPS has the time to + * look into it. So turn the sanity check off on + * MIPS. References: + * + * http://lists.alioth.debian.org/pipermail/ltrace-devel/2012-November/000764.html + * http://lists.alioth.debian.org/pipermail/ltrace-devel/2012-November/000770.html + */ +#ifndef __mips__ + assert(bp->libsym == NULL); + bp->libsym = libsym; +#endif + return 0; + } + + bp = malloc(sizeof(*bp)); + if (bp == NULL + || breakpoint_init(bp, proc, bp_addr, libsym) < 0) { + fail: + free(bp); + return -1; + } + if (proc_add_breakpoint(proc, bp) < 0) { + breakpoint_destroy(bp); + goto fail; + } + + if (breakpoint_turn_on(bp, proc) < 0) { + proc_remove_breakpoint(proc, bp); + breakpoint_destroy(bp); + goto fail; + } + + return 0; +} + +static enum callback_status +cb_breakpoint_for_symbol(struct library_symbol *libsym, void *data) +{ + return breakpoint_for_symbol(libsym, data) < 0 ? CBS_FAIL : CBS_CONT; +} + +static int +proc_activate_latent_symbol(struct Process *proc, + struct library_symbol *libsym) +{ + assert(libsym->latent); + libsym->latent = 0; + debug(DEBUG_FUNCTION, "activated latent symbol"); + return breakpoint_for_symbol(libsym, proc); +} + +int +proc_activate_delayed_symbol(struct Process *proc, + struct library_symbol *libsym) +{ + assert(libsym->delayed); + libsym->delayed = 0; + debug(DEBUG_FUNCTION, "activated delayed symbol"); + return breakpoint_for_symbol(libsym, proc); +} + +static enum callback_status +activate_latent_in(struct Process *proc, struct library *lib, void *data) +{ + struct library_exported_name *exported; + for (exported = data; exported != NULL; exported = exported->next) { + struct library_symbol *libsym = NULL; + while ((libsym = library_each_symbol(lib, libsym, + library_symbol_named_cb, + (void *)exported->name)) + != NULL) + if (libsym->latent + && proc_activate_latent_symbol(proc, libsym) < 0) + return CBS_FAIL; + } + return CBS_CONT; +} + +void +proc_add_library(struct Process *proc, struct library *lib) +{ + assert(lib->next == NULL); + lib->next = proc->libraries; + proc->libraries = lib; + debug(DEBUG_PROCESS, "added library %s@%p (%s) to %d", + lib->soname, lib->base, lib->pathname, proc->pid); + + /* Insert breakpoints for all active (non-latent) symbols. */ + struct library_symbol *libsym = NULL; + while ((libsym = library_each_symbol(lib, libsym, + cb_breakpoint_for_symbol, + proc)) != NULL) + fprintf(stderr, "Couldn't insert breakpoint for %s to %d: %s.", + libsym->name, proc->pid, strerror(errno)); + + /* Look through export list of the new library and compare it + * with latent symbols of all libraries (including this + * library itself). */ + struct library *lib2 = NULL; + while ((lib2 = proc_each_library(proc, lib2, activate_latent_in, + lib->exported_names)) != NULL) + fprintf(stderr, + "Couldn't activate latent symbols for %s in %d: %s.", + libsym->name, proc->pid, strerror(errno)); +} + +int +proc_remove_library(struct Process *proc, struct library *lib) +{ + struct library **libp; + for (libp = &proc->libraries; *libp != NULL; libp = &(*libp)->next) + if (*libp == lib) { + *libp = lib->next; + return 0; + } + return -1; +} + +struct library * +proc_each_library(struct Process *proc, struct library *it, + enum callback_status (*cb)(struct Process *proc, + struct library *lib, void *data), + void *data) +{ + if (it == NULL) + it = proc->libraries; + + while (it != NULL) { + struct library *next = it->next; + + switch (cb(proc, it, data)) { + case CBS_FAIL: + /* XXX handle me */ + case CBS_STOP: + return it; + case CBS_CONT: + break; + } + + it = next; + } + + return NULL; +} + +static void +check_leader(struct Process *proc) +{ + /* Only the group leader should be getting the breakpoints and + * thus have ->breakpoint initialized. */ + assert(proc->leader != NULL); + assert(proc->leader == proc); + assert(proc->breakpoints != NULL); +} + +int +proc_add_breakpoint(struct Process *proc, struct breakpoint *bp) +{ + debug(DEBUG_FUNCTION, "proc_add_breakpoint(pid=%d, %s@%p)", + proc->pid, breakpoint_name(bp), bp->addr); + check_leader(proc); + + /* XXX We might merge bp->libsym instead of the following + * assert, but that's not necessary right now. Read the + * comment in breakpoint_for_symbol. */ + assert(dict_find_entry(proc->breakpoints, bp->addr) == NULL); + + if (dict_enter(proc->breakpoints, bp->addr, bp) < 0) { + fprintf(stderr, + "couldn't enter breakpoint %s@%p to dictionary: %s\n", + breakpoint_name(bp), bp->addr, strerror(errno)); + return -1; + } + + return 0; +} + +void +proc_remove_breakpoint(struct Process *proc, struct breakpoint *bp) +{ + debug(DEBUG_FUNCTION, "proc_remove_breakpoint(pid=%d, %s@%p)", + proc->pid, breakpoint_name(bp), bp->addr); + check_leader(proc); + struct breakpoint *removed = dict_remove(proc->breakpoints, bp->addr); + assert(removed == bp); +} + +/* Dict doesn't support iteration restarts, so here's this contraption + * for now. XXX add restarts to dict. */ +struct each_breakpoint_data +{ + void *start; + void *end; + struct Process *proc; + enum callback_status (*cb)(struct Process *proc, + struct breakpoint *bp, + void *data); + void *cb_data; +}; + +static void +each_breakpoint_cb(void *key, void *value, void *d) +{ + struct each_breakpoint_data *data = d; + if (data->end != NULL) + return; + if (data->start == key) + data->start = NULL; + + if (data->start == NULL) { + switch (data->cb(data->proc, value, data->cb_data)) { + case CBS_FAIL: + /* XXX handle me */ + case CBS_STOP: + data->end = key; + case CBS_CONT: + return; + } + } +} + +void * +proc_each_breakpoint(struct Process *proc, void *start, + enum callback_status (*cb)(struct Process *proc, + struct breakpoint *bp, + void *data), void *data) +{ + struct each_breakpoint_data dd = { + .start = start, + .proc = proc, + .cb = cb, + .cb_data = data, + }; + dict_apply_to_all(proc->breakpoints, &each_breakpoint_cb, &dd); + return dd.end; +} + +int +proc_find_symbol(struct Process *proc, struct library_symbol *sym, + struct library **retlib, struct library_symbol **retsym) +{ + struct library *lib = sym->lib; + assert(lib != NULL); + + struct library *flib + = proc_each_library(proc, NULL, library_with_key_cb, &lib->key); + if (flib == NULL) + return -1; + + struct library_symbol *fsym + = library_each_symbol(flib, NULL, library_symbol_named_cb, + (char *)sym->name); + if (fsym == NULL) + return -1; + + if (retlib != NULL) + *retlib = flib; + if (retsym != NULL) + *retsym = fsym; + + return 0; +} + +struct library_symbol * +proc_each_symbol(struct Process *proc, struct library_symbol *start_after, + enum callback_status (*cb)(struct library_symbol *, void *), + void *data) +{ + struct library *lib; + for (lib = start_after != NULL ? start_after->lib : proc->libraries; + lib != NULL; lib = lib->next) { + start_after = library_each_symbol(lib, start_after, cb, data); + if (start_after != NULL) + return start_after; + } + return NULL; } diff --git a/proc.h b/proc.h new file mode 100644 index 0000000..a97796c --- /dev/null +++ b/proc.h @@ -0,0 +1,257 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2010,2011,2012 Petr Machata, Red Hat Inc. + * Copyright (C) 2010 Joe Damato + * Copyright (C) 1998,2001,2008,2009 Juan Cespedes + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#ifndef _PROC_H_ +#define _PROC_H_ + +#include "config.h" + +#include + +#if defined(HAVE_LIBUNWIND) +# include +#endif /* defined(HAVE_LIBUNWIND) */ + +#include "ltrace.h" +#include "dict.h" +#include "sysdep.h" +#include "callback.h" +#include "forward.h" + +struct event_handler { + /* Event handler that overrides the default one. Should + * return NULL if the event was handled, otherwise the + * returned event is passed to the default handler. */ + Event *(*on_event)(struct event_handler *self, Event *event); + + /* Called when the event handler removal is requested. */ + void (*destroy)(struct event_handler *self); +}; + +enum process_state { + STATE_ATTACHED = 0, + STATE_BEING_CREATED, + STATE_IGNORED /* ignore this process (it's a fork and no -f was used) */ +}; + +struct output_state { + size_t params_left; + int need_delim; +}; + +struct callstack_element { + union { + int syscall; + struct library_symbol * libfunc; + } c_un; + int is_syscall; + void * return_addr; + struct timeval time_spent; + struct fetch_context *fetch_context; + struct value_dict *arguments; + struct output_state out; +}; + +/* XXX We should get rid of this. */ +#define MAX_CALLDEPTH 64 + +/* XXX We would rather have this all organized a little differently, + * have Process for the whole group and Task for what's there for + * per-thread stuff. But for now this is the less invasive way of + * structuring it. */ +typedef struct Process Process; +struct Process { + enum process_state state; + Process * parent; /* needed by STATE_BEING_CREATED */ + char * filename; + pid_t pid; + + /* Dictionary of breakpoints (which is a mapping + * address->breakpoint). This is NULL for non-leader + * processes. XXX note that we store addresses (keys) by + * value. That assumes that arch_addr_t fits in host + * pointer. */ + Dict * breakpoints; + + int mask_32bit; /* 1 if 64-bit ltrace is tracing 32-bit process */ + unsigned int personality; + int tracesysgood; /* signal indicating a PTRACE_SYSCALL trap */ + + size_t callstack_depth; + struct callstack_element callstack[MAX_CALLDEPTH]; + + /* Linked list of libraries in backwards order of mapping. + * The last element is the executed binary itself. */ + struct library *libraries; + + /* Arch-dependent: */ + void * instruction_pointer; + void * stack_pointer; /* To get return addr, args... */ + void * return_addr; + void * arch_ptr; + + /* XXX We would like to replace this with a pointer to ABI + * object that would provide the relevant services, instead of + * checking the necessary flags in the back end ad + * nauseam. */ + short e_machine; + char e_class; + + /* XXX this shoudl go to ARM's arch_process_data. */ +#ifdef __arm__ + int thumb_mode; /* ARM execution mode: 0: ARM, 1: Thumb */ +#endif + +#if defined(HAVE_LIBUNWIND) + /* libunwind address space */ + unw_addr_space_t unwind_as; + void *unwind_priv; +#endif /* defined(HAVE_LIBUNWIND) */ + + /* Set in leader. */ + struct event_handler *event_handler; + + /** + * Process chaining. + **/ + Process * next; + + /* LEADER points to the leader thread of the POSIX.1 process. + If X->LEADER == X, then X is the leader thread and the + Process structures chained by NEXT represent other threads, + up until, but not including, the next leader thread. + LEADER may be NULL after the leader has already exited. In + that case this process is waiting to be collected. */ + Process * leader; + + struct os_process_data os; + struct arch_process_data arch; +}; + +/* Initialize a process given a path to binary FILENAME, with a PID, + * and add the process to an internal chain of traced processes. */ +int process_init(struct Process *proc, const char *filename, pid_t pid); + +/* PROC underwent an exec. This is a bit like process_destroy + * followed by process_init, except that some state is kept and the + * process doesn't lose it's place in the list of processes. */ +int process_exec(struct Process *proc); + +/* Release any memory allocated for PROC (but not PROC itself). Does + * NOT remove PROC from internal chain. + * + * XXX clearly this init/destroy pair is different than others and + * should be fixed. process_init should presumably be separate from + * process_add. */ +void process_destroy(struct Process *proc); + +struct Process *open_program(const char *filename, pid_t pid); +void open_pid(pid_t pid); +Process * pid2proc(pid_t pid); + +/* Clone the contents of PROC into the memory referenced by RETP. + * Returns 0 on success or a negative value on failure. */ +int process_clone(struct Process *retp, struct Process *proc, pid_t pid); + +/* Iterate through the processes that ltrace currently traces. Tasks + * are considered to be processes for the purpose of this iterator. + * See callback.h for notes on iteration interfaces. */ +Process *each_process(Process *start_after, + enum callback_status (*cb)(struct Process *proc, + void *data), + void *data); + +/* Iterate through list of tasks of given process PROC. See + * callback.h for notes on iteration interfaces. */ +Process *each_task(struct Process *proc, struct Process *start_after, + enum callback_status (*cb)(struct Process *proc, + void *data), + void *data); + +void change_process_leader(Process *proc, Process *leader); + +/* Remove process from the list of traced processes, drop any events + * in the event queue, destroy it and free memory. */ +void remove_process(struct Process *proc); + +void install_event_handler(Process *proc, struct event_handler *handler); +void destroy_event_handler(Process *proc); + +/* Add a library LIB to the list of PROC's libraries. */ +void proc_add_library(struct Process *proc, struct library *lib); + +/* Remove LIB from list of PROC's libraries. Returns 0 if the library + * was found and unlinked, otherwise returns a negative value. */ +int proc_remove_library(struct Process *proc, struct library *lib); + +/* Clear a delayed flag. If a symbol is neither latent, nor delayed, + * a breakpoint is inserted for it. Returns 0 if the activation was + * successful or a negative value if it failed. Note that if a symbol + * is both latent and delayed, this will not enable the corresponding + * breakpoint. */ +int proc_activate_delayed_symbol(struct Process *proc, + struct library_symbol *libsym); + +/* Iterate through the libraries of PROC. See callback.h for notes on + * iteration interfaces. */ +struct library *proc_each_library(struct Process *proc, struct library *start, + enum callback_status (*cb)(struct Process *p, + struct library *l, + void *data), + void *data); + +/* Insert BP into PROC. */ +int proc_add_breakpoint(struct Process *proc, struct breakpoint *bp); + +/* Remove BP from PROC. This has no reason to fail in runtime. If it + * does not find BP in PROC, it's hard error guarded by assertion. */ +void proc_remove_breakpoint(struct Process *proc, struct breakpoint *bp); + +/* Iterate through the breakpoints of PROC. See callback.h for notes + * on iteration interfaces. */ +void *proc_each_breakpoint(struct Process *proc, void *start, + enum callback_status (*cb)(struct Process *proc, + struct breakpoint *bp, + void *data), + void *data); + +/* Iterate through the dynamic section at src_addr looking for D_TAG. + * If tag is found, fill it's value in RET and return 0. + * If tag is not found, return a negative value. */ +int proc_find_dynamic_entry_addr(struct Process *proc, arch_addr_t src_addr, + int d_tag, arch_addr_t *ret); + +/* Finds a symbol corresponding to LIBSYM in a process PROC. Returns + * 0 and sets *RETLIB and *RETSYM if the corresponding pointer is + * non-NULL. Returns a negative value when the symbols couldn't be + * found. */ +int proc_find_symbol(struct Process *proc, struct library_symbol *sym, + struct library **retlib, struct library_symbol **retsym); + +/* Iterate through all symbols in all libraries of PROC. See + * callback.h for notes on this interface. */ +struct library_symbol *proc_each_symbol + (struct Process *proc, struct library_symbol *start_after, + enum callback_status (*cb)(struct library_symbol *, void *), + void *data); + +#endif /* _PROC_H_ */ diff --git a/read_config_file.c b/read_config_file.c index b4b1b56..e247436 100644 --- a/read_config_file.c +++ b/read_config_file.c @@ -1,95 +1,108 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011,2012 Petr Machata, Red Hat Inc. + * Copyright (C) 1998,1999,2003,2007,2008,2009 Juan Cespedes + * Copyright (C) 2006 Ian Wienand + * Copyright (C) 2006 Steve Fink + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include "config.h" #include #include #include +#include +#include +#include #include "common.h" +#include "output.h" +#include "expr.h" +#include "param.h" +#include "printf.h" +#include "zero.h" +#include "type.h" +#include "lens.h" +#include "lens_default.h" +#include "lens_enum.h" static int line_no; static char *filename; -static int error_count = 0; - -static arg_type_info *parse_type(char **str); +struct typedef_node_t; + +static struct arg_type_info *parse_nonpointer_type(char **str, + struct param **extra_param, + size_t param_num, int *ownp, + struct typedef_node_t *td); +static struct arg_type_info *parse_type(char **str, struct param **extra_param, + size_t param_num, int *ownp, + struct typedef_node_t *in_typedef); +static struct arg_type_info *parse_lens(char **str, struct param **extra_param, + size_t param_num, int *ownp, + struct typedef_node_t *in_typedef); +static int parse_enum(char **str, struct arg_type_info **retp, int *ownp); Function *list_of_functions = NULL; -/* Map of strings to type names. These do not need to be in any - * particular order */ -static struct list_of_pt_t { - char *name; - enum arg_type pt; -} list_of_pt[] = { - { - "void", ARGTYPE_VOID}, { - "int", ARGTYPE_INT}, { - "uint", ARGTYPE_UINT}, { - "long", ARGTYPE_LONG}, { - "ulong", ARGTYPE_ULONG}, { - "octal", ARGTYPE_OCTAL}, { - "char", ARGTYPE_CHAR}, { - "short", ARGTYPE_SHORT}, { - "ushort", ARGTYPE_USHORT}, { - "float", ARGTYPE_FLOAT}, { - "double", ARGTYPE_DOUBLE}, { - "addr", ARGTYPE_ADDR}, { - "file", ARGTYPE_FILE}, { - "format", ARGTYPE_FORMAT}, { - "string", ARGTYPE_STRING}, { - "array", ARGTYPE_ARRAY}, { - "struct", ARGTYPE_STRUCT}, { - "enum", ARGTYPE_ENUM}, { - NULL, ARGTYPE_UNKNOWN} /* Must finish with NULL */ -}; - -/* Array of prototype objects for each of the types. The order in this - * array must exactly match the list of enumerated values in - * common.h */ -static arg_type_info arg_type_prototypes[] = { - { ARGTYPE_VOID }, - { ARGTYPE_INT }, - { ARGTYPE_UINT }, - { ARGTYPE_LONG }, - { ARGTYPE_ULONG }, - { ARGTYPE_OCTAL }, - { ARGTYPE_CHAR }, - { ARGTYPE_SHORT }, - { ARGTYPE_USHORT }, - { ARGTYPE_FLOAT }, - { ARGTYPE_DOUBLE }, - { ARGTYPE_ADDR }, - { ARGTYPE_FILE }, - { ARGTYPE_FORMAT }, - { ARGTYPE_STRING }, - { ARGTYPE_STRING_N }, - { ARGTYPE_ARRAY }, - { ARGTYPE_ENUM }, - { ARGTYPE_STRUCT }, - { ARGTYPE_POINTER }, - { ARGTYPE_UNKNOWN } -}; - -arg_type_info * -lookup_prototype(enum arg_type at) { - if (at >= 0 && at <= ARGTYPE_COUNT) - return &arg_type_prototypes[at]; - else - return &arg_type_prototypes[ARGTYPE_COUNT]; /* UNKNOWN */ -} - -static arg_type_info * -str2type(char **str) { - struct list_of_pt_t *tmp = &list_of_pt[0]; - - while (tmp->name) { - if (!strncmp(*str, tmp->name, strlen(tmp->name)) - && index(" ,()#*;012345[", *(*str + strlen(tmp->name)))) { - *str += strlen(tmp->name); - return lookup_prototype(tmp->pt); - } - tmp++; - } - return lookup_prototype(ARGTYPE_UNKNOWN); +static int +parse_arg_type(char **name, enum arg_type *ret) +{ + char *rest = NULL; + enum arg_type candidate; + +#define KEYWORD(KWD, TYPE) \ + do { \ + if (strncmp(*name, KWD, sizeof(KWD) - 1) == 0) { \ + rest = *name + sizeof(KWD) - 1; \ + candidate = TYPE; \ + goto ok; \ + } \ + } while (0) + + KEYWORD("void", ARGTYPE_VOID); + KEYWORD("int", ARGTYPE_INT); + KEYWORD("uint", ARGTYPE_UINT); + KEYWORD("long", ARGTYPE_LONG); + KEYWORD("ulong", ARGTYPE_ULONG); + KEYWORD("char", ARGTYPE_CHAR); + KEYWORD("short", ARGTYPE_SHORT); + KEYWORD("ushort", ARGTYPE_USHORT); + KEYWORD("float", ARGTYPE_FLOAT); + KEYWORD("double", ARGTYPE_DOUBLE); + KEYWORD("array", ARGTYPE_ARRAY); + KEYWORD("struct", ARGTYPE_STRUCT); + + /* Misspelling of int used in ltrace.conf that we used to + * ship. */ + KEYWORD("itn", ARGTYPE_INT); + + assert(rest == NULL); + return -1; + +#undef KEYWORD + +ok: + if (isalnum(*rest)) + return -1; + + *name = rest; + *ret = candidate; + return 0; } static void @@ -102,6 +115,10 @@ eat_spaces(char **str) { static char * xstrndup(char *str, size_t len) { char *ret = (char *) malloc(len + 1); + if (ret == NULL) { + report_global_error("malloc: %s", strerror(errno)); + return NULL; + } strncpy(ret, str, len); ret[len] = 0; return ret; @@ -111,10 +128,8 @@ static char * parse_ident(char **str) { char *ident = *str; - if (!isalnum(**str) && **str != '_') { - output_line(0, "Syntax error in `%s', line %d: Bad identifier", - filename, line_no); - error_count++; + if (!isalpha(**str) && **str != '_') { + report_error(filename, line_no, "bad identifier"); return NULL; } @@ -158,473 +173,1023 @@ start_of_arg_sig(char *str) { } static int -parse_int(char **str) { +parse_int(char **str, long *ret) +{ char *end; long n = strtol(*str, &end, 0); if (end == *str) { - output_line(0, "Syntax error in `%s', line %d: Bad number (%s)", - filename, line_no, *str); - error_count++; - return 0; + report_error(filename, line_no, "bad number"); + return -1; } *str = end; - return n; + if (ret != NULL) + *ret = n; + return 0; +} + +static int +check_nonnegative(long l) +{ + if (l < 0) { + report_error(filename, line_no, + "expected non-negative value, got %ld", l); + return -1; + } + return 0; +} + +static int +check_int(long l) +{ + int i = l; + if ((long)i != l) { + report_error(filename, line_no, + "Number too large: %ld", l); + return -1; + } + return 0; +} + +static int +parse_char(char **str, char expected) +{ + if (**str != expected) { + report_error(filename, line_no, + "expected '%c', got '%c'", expected, **str); + return -1; + } + + ++*str; + return 0; +} + +static struct expr_node *parse_argnum(char **str, int *ownp, int zero); + +static struct expr_node * +parse_zero(char **str, struct expr_node *ret, int *ownp) +{ + eat_spaces(str); + if (**str == '(') { + ++*str; + int own; + struct expr_node *arg = parse_argnum(str, &own, 0); + if (arg == NULL) + return NULL; + if (parse_char(str, ')') < 0) { + fail: + expr_destroy(arg); + free(arg); + return NULL; + } + + struct expr_node *ret = build_zero_w_arg(arg, own); + if (ret == NULL) + goto fail; + *ownp = 1; + return ret; + + } else { + free(ret); + *ownp = 0; + return expr_node_zero(); + } +} + +static int +wrap_in_zero(struct expr_node **nodep) +{ + struct expr_node *n = build_zero_w_arg(*nodep, 1); + if (n == NULL) + return -1; + *nodep = n; + return 0; } /* * Input: - * argN : The value of argument #N, counting from 1 (arg0 = retval) + * argN : The value of argument #N, counting from 1 * eltN : The value of element #N of the containing structure * retval : The return value - * 0 : Error - * N : The numeric value N, if N > 0 - * - * Output: - * > 0 actual numeric value - * = 0 return value - * < 0 (arg -n), counting from one + * N : The numeric value N */ -static int -parse_argnum(char **str) { - int multiplier = 1; - int n = 0; - - if (strncmp(*str, "arg", 3) == 0) { - (*str) += 3; - multiplier = -1; - } else if (strncmp(*str, "elt", 3) == 0) { - (*str) += 3; - multiplier = -1; - } else if (strncmp(*str, "retval", 6) == 0) { - (*str) += 6; - return 0; - } +static struct expr_node * +parse_argnum(char **str, int *ownp, int zero) +{ + struct expr_node *expr = malloc(sizeof(*expr)); + if (expr == NULL) + return NULL; + + if (isdigit(**str)) { + long l; + if (parse_int(str, &l) < 0 + || check_nonnegative(l) < 0 + || check_int(l) < 0) + goto fail; + + expr_init_const_word(expr, l, type_get_simple(ARGTYPE_LONG), 0); + + if (zero && wrap_in_zero(&expr) < 0) + goto fail; + + *ownp = 1; + return expr; + + } else { + char *const name = parse_ident(str); + if (name == NULL) { + fail_ident: + free(name); + goto fail; + } + + int is_arg = strncmp(name, "arg", 3) == 0; + if (is_arg || strncmp(name, "elt", 3) == 0) { + long l; + char *num = name + 3; + if (parse_int(&num, &l) < 0 || check_int(l) < 0) + goto fail_ident; + + if (is_arg) { + if (l == 0) + expr_init_named(expr, "retval", 0); + else + expr_init_argno(expr, l - 1); + } else { + struct expr_node *e_up = malloc(sizeof(*e_up)); + struct expr_node *e_ix = malloc(sizeof(*e_ix)); + if (e_up == NULL || e_ix == NULL) { + free(e_up); + free(e_ix); + goto fail_ident; + } + + expr_init_up(e_up, expr_self(), 0); + struct arg_type_info *ti + = type_get_simple(ARGTYPE_LONG); + expr_init_const_word(e_ix, l - 1, ti, 0); + expr_init_index(expr, e_up, 1, e_ix, 1); + } + + } else if (strcmp(name, "retval") == 0) { + expr_init_named(expr, "retval", 0); + + } else if (strcmp(name, "zero") == 0) { + struct expr_node *ret = parse_zero(str, expr, ownp); + if (ret == NULL) + goto fail_ident; + return ret; - n = parse_int(str); + } else { + report_error(filename, line_no, + "Unknown length specifier: '%s'", name); + goto fail_ident; + } + + if (zero && wrap_in_zero(&expr) < 0) + goto fail_ident; + + free(name); + *ownp = 1; + return expr; + } - return n * multiplier; +fail: + free(expr); + return NULL; } struct typedef_node_t { char *name; - arg_type_info *info; + struct arg_type_info *info; + int own_type; + int forward : 1; struct typedef_node_t *next; } *typedefs = NULL; -static arg_type_info * -lookup_typedef(char **str) { +static struct typedef_node_t * +lookup_typedef(const char *name) +{ struct typedef_node_t *node; + for (node = typedefs; node != NULL; node = node->next) + if (strcmp(name, node->name) == 0) + return node; + return NULL; +} + +static struct arg_type_info * +parse_typedef_name(char **str) +{ char *end = *str; while (*end && (isalnum(*end) || *end == '_')) ++end; if (end == *str) return NULL; - for (node = typedefs; node != NULL; node = node->next) { - if (strncmp(*str, node->name, end - *str) == 0) { - (*str) += strlen(node->name); - return node->info; - } - } + size_t len = end - *str; + char buf[len + 1]; + memcpy(buf, *str, len); + *str += len; + buf[len] = 0; - return NULL; + struct typedef_node_t *td = lookup_typedef(buf); + if (td == NULL) + return NULL; + return td->info; } static void -parse_typedef(char **str) { - char *name; - arg_type_info *info; - struct typedef_node_t *binding; +insert_typedef(struct typedef_node_t *td) +{ + if (td == NULL) + return; + td->next = typedefs; + typedefs = td; +} + +static struct typedef_node_t * +new_typedef(char *name, struct arg_type_info *info, int own_type) +{ + struct typedef_node_t *binding = malloc(sizeof(*binding)); + binding->name = name; + binding->info = info; + binding->own_type = own_type; + binding->forward = 0; + binding->next = NULL; + return binding; +} +static void +parse_typedef(char **str) +{ (*str) += strlen("typedef"); eat_spaces(str); - - // Grab out the name of the type - name = parse_ident(str); + char *name = parse_ident(str); + + /* Look through the typedef list whether we already have a + * forward of this type. If we do, it must be forward + * structure. */ + struct typedef_node_t *forward = lookup_typedef(name); + if (forward != NULL + && (forward->info->type != ARGTYPE_STRUCT + || !forward->forward)) { + report_error(filename, line_no, + "Redefinition of typedef '%s'", name); + free(name); + return; + } // Skip = sign eat_spaces(str); - if (**str != '=') { - output_line(0, - "Syntax error in `%s', line %d: expected '=', got '%c'", - filename, line_no, **str); - error_count++; + if (parse_char(str, '=') < 0) { + free(name); return; } - (*str)++; eat_spaces(str); - // Parse the type - info = parse_type(str); + struct typedef_node_t *this_td = new_typedef(name, NULL, 0); + this_td->info = parse_lens(str, NULL, 0, &this_td->own_type, this_td); - // Insert onto beginning of linked list - binding = malloc(sizeof(*binding)); - binding->name = name; - binding->info = info; - binding->next = typedefs; - typedefs = binding; -} - -static size_t -arg_sizeof(arg_type_info * arg) { - if (arg->type == ARGTYPE_CHAR) { - return sizeof(char); - } else if (arg->type == ARGTYPE_SHORT || arg->type == ARGTYPE_USHORT) { - return sizeof(short); - } else if (arg->type == ARGTYPE_FLOAT) { - return sizeof(float); - } else if (arg->type == ARGTYPE_DOUBLE) { - return sizeof(double); - } else if (arg->type == ARGTYPE_ENUM) { - return sizeof(int); - } else if (arg->type == ARGTYPE_STRUCT) { - return arg->u.struct_info.size; - } else if (arg->type == ARGTYPE_POINTER) { - return sizeof(void*); - } else if (arg->type == ARGTYPE_ARRAY) { - if (arg->u.array_info.len_spec > 0) - return arg->u.array_info.len_spec * arg->u.array_info.elt_size; + if (this_td->info == NULL) { + free(this_td); + free(name); + return; + } + + if (forward == NULL) { + insert_typedef(this_td); + return; + } + + /* If we are defining a forward, make sure the definition is a + * structure as well. */ + if (this_td->info->type != ARGTYPE_STRUCT) { + report_error(filename, line_no, + "Definition of forward '%s' must be a structure.", + name); + if (this_td->own_type) { + type_destroy(this_td->info); + free(this_td->info); + } + free(this_td); + free(name); + return; + } + + /* Now move guts of the actual type over to the + * forward type. We can't just move pointers around, + * because references to forward must stay intact. */ + assert(this_td->own_type); + type_destroy(forward->info); + *forward->info = *this_td->info; + forward->forward = 0; + free(this_td->info); + free(name); + free(this_td); +} + +static void +destroy_fun(Function *fun) +{ + size_t i; + if (fun == NULL) + return; + if (fun->own_return_info) { + type_destroy(fun->return_info); + free(fun->return_info); + } + for (i = 0; i < fun->num_params; ++i) + param_destroy(&fun->params[i]); + free(fun->params); +} + +/* Syntax: struct ( type,type,type,... ) */ +static int +parse_struct(char **str, struct arg_type_info *info, + struct typedef_node_t *in_typedef) +{ + eat_spaces(str); + + if (**str == ';') { + if (in_typedef == NULL) { + report_error(filename, line_no, + "Forward struct can be declared only " + "directly after a typedef."); + return -1; + } + + /* Forward declaration is currently handled as an + * empty struct. */ + type_init_struct(info); + in_typedef->forward = 1; + return 0; + } + + if (parse_char(str, '(') < 0) + return -1; + + eat_spaces(str); // Empty arg list with whitespace inside + + type_init_struct(info); + + while (1) { + eat_spaces(str); + if (**str == 0 || **str == ')') { + parse_char(str, ')'); + return 0; + } + + /* Field delimiter. */ + if (type_struct_size(info) > 0) + parse_char(str, ','); + + eat_spaces(str); + int own; + struct arg_type_info *field = parse_lens(str, NULL, 0, &own, + NULL); + if (field == NULL || type_struct_add(info, field, own)) { + type_destroy(info); + return -1; + } + } +} + +static int +parse_string(char **str, struct arg_type_info **retp, int *ownp) +{ + struct arg_type_info *info = malloc(sizeof(*info) * 2); + if (info == NULL) { + fail: + free(info); + return -1; + } + + struct expr_node *length; + int own_length; + int with_arg = 0; + + if (isdigit(**str)) { + /* string0 is string[retval], length is zero(retval) + * stringN is string[argN], length is zero(argN) */ + long l; + if (parse_int(str, &l) < 0 + || check_int(l) < 0) + goto fail; + + struct expr_node *length_arg = malloc(sizeof(*length_arg)); + if (length_arg == NULL) + goto fail; + + if (l == 0) + expr_init_named(length_arg, "retval", 0); else - return sizeof(void *); + expr_init_argno(length_arg, l - 1); + + length = build_zero_w_arg(length_arg, 1); + if (length == NULL) { + expr_destroy(length_arg); + free(length_arg); + goto fail; + } + own_length = 1; + } else { - return sizeof(int); - } -} - -#undef alignof -#define alignof(field,st) ((size_t) ((char*) &st.field - (char*) &st)) -static size_t -arg_align(arg_type_info * arg) { - struct { char c; char C; } cC; - struct { char c; short s; } cs; - struct { char c; int i; } ci; - struct { char c; long l; } cl; - struct { char c; void* p; } cp; - struct { char c; float f; } cf; - struct { char c; double d; } cd; - - static size_t char_alignment = alignof(C, cC); - static size_t short_alignment = alignof(s, cs); - static size_t int_alignment = alignof(i, ci); - static size_t long_alignment = alignof(l, cl); - static size_t ptr_alignment = alignof(p, cp); - static size_t float_alignment = alignof(f, cf); - static size_t double_alignment = alignof(d, cd); - - switch (arg->type) { - case ARGTYPE_LONG: - case ARGTYPE_ULONG: - return long_alignment; - case ARGTYPE_CHAR: - return char_alignment; - case ARGTYPE_SHORT: - case ARGTYPE_USHORT: - return short_alignment; - case ARGTYPE_FLOAT: - return float_alignment; - case ARGTYPE_DOUBLE: - return double_alignment; - case ARGTYPE_ADDR: - case ARGTYPE_FILE: - case ARGTYPE_FORMAT: - case ARGTYPE_STRING: - case ARGTYPE_STRING_N: - case ARGTYPE_POINTER: - return ptr_alignment; - - case ARGTYPE_ARRAY: - return arg_align(&arg->u.array_info.elt_type[0]); - - case ARGTYPE_STRUCT: - return arg_align(arg->u.struct_info.fields[0]); - - default: - return int_alignment; - } -} - -static size_t -align_skip(size_t alignment, size_t offset) { - if (offset % alignment) - return alignment - (offset % alignment); - else - return 0; + eat_spaces(str); + if (**str == '[') { + (*str)++; + eat_spaces(str); + + length = parse_argnum(str, &own_length, 1); + if (length == NULL) + goto fail; + + eat_spaces(str); + parse_char(str, ']'); + + } else if (**str == '(') { + /* Usage of "string" as lens. */ + ++*str; + + free(info); + + eat_spaces(str); + info = parse_type(str, NULL, 0, ownp, NULL); + if (info == NULL) + goto fail; + + eat_spaces(str); + parse_char(str, ')'); + + with_arg = 1; + + } else { + /* It was just a simple string after all. */ + length = expr_node_zero(); + own_length = 0; + } + } + + /* String is a pointer to array of chars. */ + if (!with_arg) { + type_init_array(&info[1], type_get_simple(ARGTYPE_CHAR), 0, + length, own_length); + + type_init_pointer(&info[0], &info[1], 0); + *ownp = 1; + } + + info->lens = &string_lens; + info->own_lens = 0; + + *retp = info; + return 0; } -/* I'm sure this isn't completely correct, but just try to get most of - * them right for now. */ -static void -align_struct(arg_type_info* info) { - size_t offset; - int i; +static int +build_printf_pack(struct param **packp, size_t param_num) +{ + if (packp == NULL) { + report_error(filename, line_no, + "'format' type in unexpected context"); + return -1; + } + if (*packp != NULL) { + report_error(filename, line_no, + "only one 'format' type per function supported"); + return -1; + } - if (info->u.struct_info.size != 0) - return; // Already done + *packp = malloc(sizeof(**packp)); + if (*packp == NULL) + return -1; - // Compute internal padding due to alignment constraints for - // various types. - offset = 0; - for (i = 0; info->u.struct_info.fields[i] != NULL; i++) { - arg_type_info *field = info->u.struct_info.fields[i]; - offset += align_skip(arg_align(field), offset); - info->u.struct_info.offset[i] = offset; - offset += arg_sizeof(field); + struct expr_node *node = malloc(sizeof(*node)); + if (node == NULL) { + free(*packp); + return -1; } - info->u.struct_info.size = offset; + expr_init_argno(node, param_num); + + param_pack_init_printf(*packp, node, 1); + + return 0; +} + +/* Match and consume KWD if it's next in stream, and return 0. + * Otherwise return negative number. */ +static int +try_parse_kwd(char **str, const char *kwd) +{ + size_t len = strlen(kwd); + if (strncmp(*str, kwd, len) == 0 + && !isalnum((*str)[len])) { + (*str) += len; + return 0; + } + return -1; } -static arg_type_info * -parse_nonpointer_type(char **str) { - arg_type_info *simple; - arg_type_info *info; +/* Make a copy of INFO and set the *OWN bit if it's not already + * owned. */ +static int +unshare_type_info(struct arg_type_info **infop, int *ownp) +{ + if (*ownp) + return 0; - if (strncmp(*str, "typedef", 7) == 0) { - parse_typedef(str); - return lookup_prototype(ARGTYPE_UNKNOWN); + struct arg_type_info *ninfo = malloc(sizeof(*ninfo)); + if (ninfo == NULL) { + report_error(filename, line_no, + "malloc: %s", strerror(errno)); + return -1; } + *ninfo = **infop; + *infop = ninfo; + *ownp = 1; + return 0; +} - simple = str2type(str); - if (simple->type == ARGTYPE_UNKNOWN) { - info = lookup_typedef(str); - if (info) - return info; - else - return simple; // UNKNOWN +/* XXX extra_param and param_num are a kludge to get in + * backward-compatible support for "format" parameter type. The + * latter is only valid if the former is non-NULL, which is only in + * top-level context. */ +static int +parse_alias(char **str, struct arg_type_info **retp, int *ownp, + struct param **extra_param, size_t param_num) +{ + /* For backward compatibility, we need to support things like + * stringN (which is like string[argN], string[N], and also + * bare string. We might, in theory, replace this by + * preprocessing configure file sources with M4, but for now, + * "string" is syntax. */ + if (strncmp(*str, "string", 6) == 0) { + (*str) += 6; + return parse_string(str, retp, ownp); + + } else if (try_parse_kwd(str, "format") >= 0 + && extra_param != NULL) { + /* For backward compatibility, format is parsed as + * "string", but it smuggles to the parameter list of + * a function a "printf" argument pack with this + * parameter as argument. */ + if (parse_string(str, retp, ownp) < 0) + return -1; + + return build_printf_pack(extra_param, param_num); + + } else if (try_parse_kwd(str, "enum") >=0) { + + return parse_enum(str, retp, ownp); + + } else { + *retp = NULL; + return 0; } +} + +/* Syntax: array ( type, N|argN ) */ +static int +parse_array(char **str, struct arg_type_info *info) +{ + eat_spaces(str); + if (parse_char(str, '(') < 0) + return -1; + + eat_spaces(str); + int own; + struct arg_type_info *elt_info = parse_lens(str, NULL, 0, &own, NULL); + if (elt_info == NULL) + return -1; - info = malloc(sizeof(*info)); - info->type = simple->type; + eat_spaces(str); + parse_char(str, ','); - /* Code to parse parameterized types will go into the following - switch statement. */ + eat_spaces(str); + int own_length; + struct expr_node *length = parse_argnum(str, &own_length, 0); + if (length == NULL) { + if (own) { + type_destroy(elt_info); + free(elt_info); + } + return -1; + } - switch (info->type) { + type_init_array(info, elt_info, own, length, own_length); - /* Syntax: array ( type, N|argN ) */ - case ARGTYPE_ARRAY: - (*str)++; // Get past open paren - eat_spaces(str); - if ((info->u.array_info.elt_type = parse_type(str)) == NULL) - return NULL; - info->u.array_info.elt_size = - arg_sizeof(info->u.array_info.elt_type); - (*str)++; // Get past comma + eat_spaces(str); + parse_char(str, ')'); + return 0; +} + +/* Syntax: + * enum (keyname[=value],keyname[=value],... ) + * enum (keyname[=value],keyname[=value],... ) + */ +static int +parse_enum(char **str, struct arg_type_info **retp, int *ownp) +{ + /* Optional type argument. */ + eat_spaces(str); + if (**str == '[') { + parse_char(str, '['); eat_spaces(str); - info->u.array_info.len_spec = parse_argnum(str); - (*str)++; // Get past close paren - return info; - - /* Syntax: enum ( keyname=value,keyname=value,... ) */ - case ARGTYPE_ENUM:{ - struct enum_opt { - char *key; - int value; - struct enum_opt *next; - }; - struct enum_opt *list = NULL; - struct enum_opt *p; - int entries = 0; - int ii; + *retp = parse_nonpointer_type(str, NULL, 0, ownp, 0); + if (*retp == NULL) + return -1; + + if (!type_is_integral((*retp)->type)) { + report_error(filename, line_no, + "integral type required as enum argument"); + fail: + if (*ownp) { + /* This also releases associated lens + * if any was set so far. */ + type_destroy(*retp); + free(*retp); + } + return -1; + } eat_spaces(str); - (*str)++; // Get past open paren + if (parse_char(str, ']') < 0) + goto fail; + + } else { + *retp = type_get_simple(ARGTYPE_INT); + *ownp = 0; + } + + /* We'll need to set the lens, so unshare. */ + if (unshare_type_info(retp, ownp) < 0) + goto fail; + + eat_spaces(str); + if (parse_char(str, '(') < 0) + goto fail; + + struct enum_lens *lens = malloc(sizeof(*lens)); + if (lens == NULL) { + report_error(filename, line_no, + "malloc enum lens: %s", strerror(errno)); + return -1; + } + + lens_init_enum(lens); + (*retp)->lens = &lens->super; + (*retp)->own_lens = 1; + + long last_val = 0; + while (1) { eat_spaces(str); + if (**str == 0 || **str == ')') { + parse_char(str, ')'); + return 0; + } - while (**str && **str != ')') { - p = (struct enum_opt *) malloc(sizeof(*p)); - eat_spaces(str); - p->key = parse_ident(str); - if (error_count) { - free(p); - return NULL; - } - eat_spaces(str); - if (**str != '=') { - free(p->key); - free(p); - output_line(0, - "Syntax error in `%s', line %d: expected '=', got '%c'", - filename, line_no, **str); - error_count++; - return NULL; - } - ++(*str); - eat_spaces(str); - p->value = parse_int(str); - p->next = list; - list = p; - ++entries; + /* Field delimiter. XXX should we support the C + * syntax, where the enumeration can end in pending + * comma? */ + if (lens_enum_size(lens) > 0) + parse_char(str, ','); + + eat_spaces(str); + char *key = parse_ident(str); + if (key == NULL) { + err: + free(key); + goto fail; + } - // Skip comma + if (**str == '=') { + ++*str; eat_spaces(str); - if (**str == ',') { - (*str)++; - eat_spaces(str); - } + if (parse_int(str, &last_val) < 0) + goto err; } - info->u.enum_info.entries = entries; - info->u.enum_info.keys = - (char **) malloc(entries * sizeof(char *)); - info->u.enum_info.values = - (int *) malloc(entries * sizeof(int)); - for (ii = 0, p = NULL; list; ++ii, list = list->next) { - if (p) - free(p); - info->u.enum_info.keys[ii] = list->key; - info->u.enum_info.values[ii] = list->value; - p = list; + struct value *value = malloc(sizeof(*value)); + if (value == NULL) + goto err; + value_init_detached(value, NULL, *retp, 0); + value_set_word(value, last_val); + + if (lens_enum_add(lens, key, 1, value, 1) < 0) + goto err; + + last_val++; + } + + return 0; +} + +static struct arg_type_info * +parse_nonpointer_type(char **str, struct param **extra_param, size_t param_num, + int *ownp, struct typedef_node_t *in_typedef) +{ + enum arg_type type; + if (parse_arg_type(str, &type) < 0) { + struct arg_type_info *simple; + if (parse_alias(str, &simple, ownp, extra_param, param_num) < 0) + return NULL; + if (simple == NULL) + simple = parse_typedef_name(str); + if (simple != NULL) { + *ownp = 0; + return simple; } - if (p) - free(p); - return info; + report_error(filename, line_no, + "unknown type around '%s'", *str); + return NULL; + } + + /* For some types that's all we need. */ + switch (type) { + case ARGTYPE_VOID: + case ARGTYPE_INT: + case ARGTYPE_UINT: + case ARGTYPE_LONG: + case ARGTYPE_ULONG: + case ARGTYPE_CHAR: + case ARGTYPE_SHORT: + case ARGTYPE_USHORT: + case ARGTYPE_FLOAT: + case ARGTYPE_DOUBLE: + *ownp = 0; + return type_get_simple(type); + + case ARGTYPE_ARRAY: + case ARGTYPE_STRUCT: + break; + + case ARGTYPE_POINTER: + /* Pointer syntax is not based on keyword, so we + * should never get this type. */ + assert(type != ARGTYPE_POINTER); + abort(); } - case ARGTYPE_STRING: - if (!isdigit(**str) && **str != '[') { - /* Oops, was just a simple string after all */ + struct arg_type_info *info = malloc(sizeof(*info)); + if (info == NULL) { + report_error(filename, line_no, + "malloc: %s", strerror(errno)); + return NULL; + } + *ownp = 1; + + if (type == ARGTYPE_ARRAY) { + if (parse_array(str, info) < 0) { + fail: free(info); - return simple; + return NULL; } + } else { + assert(type == ARGTYPE_STRUCT); + if (parse_struct(str, info, in_typedef) < 0) + goto fail; + } + + return info; +} - info->type = ARGTYPE_STRING_N; +static struct named_lens { + const char *name; + struct lens *lens; +} lenses[] = { + { "hide", &blind_lens }, + { "octal", &octal_lens }, + { "oct", &octal_lens }, + { "bitvec", &bitvect_lens }, + { "hex", &hex_lens }, + { "bool", &bool_lens }, + { "guess", &guess_lens }, +}; - /* Backwards compatibility for string0, string1, ... */ - if (isdigit(**str)) { - info->u.string_n_info.size_spec = -parse_int(str); - return info; +static struct lens * +name2lens(char **str, int *own_lensp) +{ + size_t i; + for (i = 0; i < sizeof(lenses)/sizeof(*lenses); ++i) + if (try_parse_kwd(str, lenses[i].name) == 0) { + *own_lensp = 0; + return lenses[i].lens; } - (*str)++; // Skip past opening [ - eat_spaces(str); - info->u.string_n_info.size_spec = parse_argnum(str); + return NULL; +} + +static struct arg_type_info * +parse_type(char **str, struct param **extra_param, size_t param_num, int *ownp, + struct typedef_node_t *in_typedef) +{ + struct arg_type_info *info + = parse_nonpointer_type(str, extra_param, + param_num, ownp, in_typedef); + if (info == NULL) + return NULL; + + while (1) { eat_spaces(str); - (*str)++; // Skip past closing ] - return info; - - // Syntax: struct ( type,type,type,... ) - case ARGTYPE_STRUCT:{ - int field_num = 0; - (*str)++; // Get past open paren - info->u.struct_info.fields = - malloc((MAX_ARGS + 1) * sizeof(void *)); - info->u.struct_info.offset = - malloc((MAX_ARGS + 1) * sizeof(size_t)); - info->u.struct_info.size = 0; - eat_spaces(str); // Empty arg list with whitespace inside - while (**str && **str != ')') { - if (field_num == MAX_ARGS) { - output_line(0, - "Error in `%s', line %d: Too many structure elements", - filename, line_no); - error_count++; + if (**str == '*') { + struct arg_type_info *outer = malloc(sizeof(*outer)); + if (outer == NULL) { + if (*ownp) { + type_destroy(info); + free(info); + } + report_error(filename, line_no, + "malloc: %s", strerror(errno)); return NULL; } - eat_spaces(str); - if (field_num != 0) { - (*str)++; // Get past comma - eat_spaces(str); - } - if ((info->u.struct_info.fields[field_num++] = - parse_type(str)) == NULL) - return NULL; + type_init_pointer(outer, info, *ownp); + *ownp = 1; + (*str)++; + info = outer; + } else + break; + } + return info; +} - // Must trim trailing spaces so the check for - // the closing paren is simple - eat_spaces(str); +static struct arg_type_info * +parse_lens(char **str, struct param **extra_param, size_t param_num, int *ownp, + struct typedef_node_t *in_typedef) +{ + int own_lens; + struct lens *lens = name2lens(str, &own_lens); + int has_args = 1; + struct arg_type_info *info; + if (lens != NULL) { + eat_spaces(str); + + /* Octal lens gets special treatment, because of + * backward compatibility. */ + if (lens == &octal_lens && **str != '(') { + has_args = 0; + info = type_get_simple(ARGTYPE_INT); + *ownp = 0; + } else if (parse_char(str, '(') < 0) { + report_error(filename, line_no, + "expected type argument after the lens"); + return NULL; } - (*str)++; // Get past closing paren - info->u.struct_info.fields[field_num] = NULL; - align_struct(info); - return info; } - default: - if (info->type == ARGTYPE_UNKNOWN) { - output_line(0, "Syntax error in `%s', line %d: " - "Unknown type encountered", - filename, line_no); - free(info); - error_count++; + if (has_args) { + eat_spaces(str); + info = parse_type(str, extra_param, param_num, ownp, + in_typedef); + if (info == NULL) { + fail: + if (own_lens && lens != NULL) + lens_destroy(lens); return NULL; - } else { - return info; } } + + if (lens != NULL && has_args) { + eat_spaces(str); + parse_char(str, ')'); + } + + /* We can't modify shared types. Make a copy if we have a + * lens. */ + if (lens != NULL && unshare_type_info(&info, ownp) < 0) + goto fail; + + if (lens != NULL) { + info->lens = lens; + info->own_lens = own_lens; + } + + return info; } -static arg_type_info * -parse_type(char **str) { - arg_type_info *info = parse_nonpointer_type(str); - while (**str == '*') { - arg_type_info *outer = malloc(sizeof(*info)); - outer->type = ARGTYPE_POINTER; - outer->u.ptr_info.info = info; - (*str)++; - info = outer; +static int +add_param(Function *fun, size_t *allocdp) +{ + size_t allocd = *allocdp; + /* XXX +1 is for the extra_param handling hack. */ + if ((fun->num_params + 1) >= allocd) { + allocd = allocd > 0 ? 2 * allocd : 8; + void *na = realloc(fun->params, sizeof(*fun->params) * allocd); + if (na == NULL) + return -1; + + fun->params = na; + *allocdp = allocd; } + return 0; +} + +static int +param_is_void(struct param *param) +{ + return param->flavor == PARAM_FLAVOR_TYPE + && param->u.type.type->type == ARGTYPE_VOID; +} + +static struct arg_type_info * +get_hidden_int(void) +{ + char *str = strdup("hide(int)"); + char *ptr = str; + assert(str != NULL); + int own; + struct arg_type_info *info = parse_lens(&ptr, NULL, 0, &own, NULL); + assert(info != NULL); + free(str); return info; } static Function * process_line(char *buf) { - Function fun; - Function *fun_p; char *str = buf; char *tmp; - int i; - int float_num = 0; line_no++; debug(3, "Reading line %d of `%s'", line_no, filename); eat_spaces(&str); - fun.return_info = parse_type(&str); - if (fun.return_info == NULL) + + /* A comment or empty line. */ + if (*str == ';' || *str == 0 || *str == '\n') + return NULL; + + if (strncmp(str, "typedef", 7) == 0) { + parse_typedef(&str); + return NULL; + } + + Function *fun = calloc(1, sizeof(*fun)); + if (fun == NULL) { + report_error(filename, line_no, + "alloc function: %s", strerror(errno)); return NULL; - if (fun.return_info->type == ARGTYPE_UNKNOWN) { + } + + fun->return_info = parse_lens(&str, NULL, 0, + &fun->own_return_info, NULL); + if (fun->return_info == NULL) { + err: debug(3, " Skipping line %d", line_no); + destroy_fun(fun); return NULL; } - debug(4, " return_type = %d", fun.return_info->type); + debug(4, " return_type = %d", fun->return_info->type); + eat_spaces(&str); tmp = start_of_arg_sig(str); - if (!tmp) { - output_line(0, "Syntax error in `%s', line %d", filename, - line_no); - error_count++; - return NULL; + if (tmp == NULL) { + report_error(filename, line_no, "syntax error"); + goto err; } *tmp = '\0'; - fun.name = strdup(str); + fun->name = strdup(str); str = tmp + 1; - debug(3, " name = %s", fun.name); - fun.params_right = 0; - for (i = 0; i < MAX_ARGS; i++) { + debug(3, " name = %s", fun->name); + + size_t allocd = 0; + struct param *extra_param = NULL; + + int have_stop = 0; + + while (1) { eat_spaces(&str); - if (*str == ')') { + if (*str == ')') break; - } + if (str[0] == '+') { - fun.params_right++; + if (have_stop == 0) { + if (add_param(fun, &allocd) < 0) + goto add_err; + param_init_stop + (&fun->params[fun->num_params++]); + have_stop = 1; + } str++; - } else if (fun.params_right) { - fun.params_right++; } - fun.arg_info[i] = parse_type(&str); - if (fun.arg_info[i] == NULL) { - output_line(0, "Syntax error in `%s', line %d" - ": unknown argument type", - filename, line_no); - error_count++; - return NULL; + + if (add_param(fun, &allocd) < 0) { + add_err: + report_error(filename, line_no, "(re)alloc params: %s", + strerror(errno)); + goto err; + } + + int own; + struct arg_type_info *type + = parse_lens(&str, &extra_param, + fun->num_params - have_stop, &own, NULL); + if (type == NULL) { + report_error(filename, line_no, + "unknown argument type"); + goto err; } - if (fun.arg_info[i]->type == ARGTYPE_FLOAT) - fun.arg_info[i]->u.float_info.float_index = float_num++; - else if (fun.arg_info[i]->type == ARGTYPE_DOUBLE) - fun.arg_info[i]->u.double_info.float_index = float_num++; + + param_init_type(&fun->params[fun->num_params++], type, own); + eat_spaces(&str); if (*str == ',') { str++; @@ -634,20 +1199,75 @@ process_line(char *buf) { } else { if (str[strlen(str) - 1] == '\n') str[strlen(str) - 1] = '\0'; - output_line(0, "Syntax error in `%s', line %d at ...\"%s\"", - filename, line_no, str); - error_count++; - return NULL; + report_error(filename, line_no, + "syntax error around \"%s\"", str); + goto err; } } - fun.num_params = i; - fun_p = malloc(sizeof(Function)); - if (!fun_p) { - perror("ltrace: malloc"); - exit(1); + + /* We used to allow void parameter as a synonym to an argument + * that shouldn't be displayed. But backends really need to + * know the exact type that they are dealing with. The proper + * way to do this these days is to use the hide lens. + * + * So if there are any voids in the parameter list, show a + * warning and assume that they are ints. If there's a sole + * void, assume the function doesn't take any arguments. The + * latter is conservative, we can drop the argument + * altogether, instead of fetching and then not showing it, + * without breaking any observable behavior. */ + if (fun->num_params == 1 && param_is_void(&fun->params[0])) { + if (0) + /* Don't show this warning. Pre-0.7.0 + * ltrace.conf often used this idiom. This + * should be postponed until much later, when + * extant uses are likely gone. */ + report_warning(filename, line_no, + "sole void parameter ignored"); + param_destroy(&fun->params[0]); + fun->num_params = 0; + } else { + size_t i; + for (i = 0; i < fun->num_params; ++i) { + if (param_is_void(&fun->params[i])) { + report_warning + (filename, line_no, + "void parameter assumed to be " + "'hide(int)'"); + + static struct arg_type_info *type = NULL; + if (type == NULL) + type = get_hidden_int(); + param_destroy(&fun->params[i]); + param_init_type(&fun->params[i], type, 0); + } + } + } + + if (extra_param != NULL) { + assert(fun->num_params < allocd); + memcpy(&fun->params[fun->num_params++], extra_param, + sizeof(*extra_param)); + free(extra_param); } - memcpy(fun_p, &fun, sizeof(Function)); - return fun_p; + + return fun; +} + +void +init_global_config(void) +{ + struct arg_type_info *info = malloc(2 * sizeof(*info)); + if (info == NULL) + error(1, errno, "malloc in init_global_config"); + + memset(info, 0, 2 * sizeof(*info)); + info[0].type = ARGTYPE_POINTER; + info[0].u.ptr_info.info = &info[1]; + info[1].type = ARGTYPE_VOID; + + insert_typedef(new_typedef(strdup("addr"), info, 0)); + insert_typedef(new_typedef(strdup("file"), info, 1)); } void @@ -667,7 +1287,6 @@ read_config_file(char *file) { while (fgets(buf, 1024, stream)) { Function *tmp; - error_count = 0; tmp = process_line(buf); if (tmp) { diff --git a/read_config_file.h b/read_config_file.h index 8000b1c..7c60253 100644 --- a/read_config_file.h +++ b/read_config_file.h @@ -1 +1,23 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2012 Petr Machata, Red Hat Inc. + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + extern void read_config_file(char *); +extern void init_global_config(void); diff --git a/summary.c b/summary.c index dab845c..937da1a 100644 --- a/summary.c +++ b/summary.c @@ -1,3 +1,24 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2003,2008,2009 Juan Cespedes + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include "config.h" #include diff --git a/sysdeps/Makefile.am b/sysdeps/Makefile.am new file mode 100644 index 0000000..36f93c1 --- /dev/null +++ b/sysdeps/Makefile.am @@ -0,0 +1,29 @@ +# This file is part of ltrace. +# Copyright (C) 2010 Marc Kleine-Budde, Pengutronix +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA + +DIST_SUBDIRS = \ + linux-gnu + +SUBDIRS = \ + $(HOST_OS) + +noinst_HEADERS = \ + sysdep.h + +MAINTAINERCLEANFILES = \ + Makefile.in diff --git a/sysdeps/Makefile.in b/sysdeps/Makefile.in new file mode 100644 index 0000000..d072917 --- /dev/null +++ b/sysdeps/Makefile.in @@ -0,0 +1,602 @@ +# Makefile.in generated by automake 1.11.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, +# Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# This file is part of ltrace. +# Copyright (C) 2010 Marc Kleine-Budde, Pengutronix +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA + +VPATH = @srcdir@ +pkgdatadir = $(datadir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkglibexecdir = $(libexecdir)/@PACKAGE@ +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = $(program_transform_name) +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : +NORMAL_UNINSTALL = : +PRE_UNINSTALL = : +POST_UNINSTALL = : +build_triplet = @build@ +host_triplet = @host@ +subdir = sysdeps +DIST_COMMON = README $(noinst_HEADERS) $(srcdir)/Makefile.am \ + $(srcdir)/Makefile.in +ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 +am__aclocal_m4_deps = $(top_srcdir)/config/m4/libtool.m4 \ + $(top_srcdir)/config/m4/ltoptions.m4 \ + $(top_srcdir)/config/m4/ltsugar.m4 \ + $(top_srcdir)/config/m4/ltversion.m4 \ + $(top_srcdir)/config/m4/lt~obsolete.m4 \ + $(top_srcdir)/configure.ac +am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \ + $(ACLOCAL_M4) +mkinstalldirs = $(install_sh) -d +CONFIG_HEADER = $(top_builddir)/config.h +CONFIG_CLEAN_FILES = +CONFIG_CLEAN_VPATH_FILES = +SOURCES = +DIST_SOURCES = +RECURSIVE_TARGETS = all-recursive check-recursive dvi-recursive \ + html-recursive info-recursive install-data-recursive \ + install-dvi-recursive install-exec-recursive \ + install-html-recursive install-info-recursive \ + install-pdf-recursive install-ps-recursive install-recursive \ + installcheck-recursive installdirs-recursive pdf-recursive \ + ps-recursive uninstall-recursive +HEADERS = $(noinst_HEADERS) +RECURSIVE_CLEAN_TARGETS = mostlyclean-recursive clean-recursive \ + distclean-recursive maintainer-clean-recursive +AM_RECURSIVE_TARGETS = $(RECURSIVE_TARGETS:-recursive=) \ + $(RECURSIVE_CLEAN_TARGETS:-recursive=) tags TAGS ctags CTAGS \ + distdir +ETAGS = etags +CTAGS = ctags +DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST) +am__relativize = \ + dir0=`pwd`; 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Files "sysdep.h", "signalent.h" and "syscallent.h" must be present inside the directory after invoking the first target of the Makefile. ------------ -"sysdep.o" must export the following functions: - -Event * next_event(void); -void continue_after_breakpoint(Process * proc, Breakpoint * sbp, int delete_it); -void continue_after_signal(pid_t pid, int signum); -void continue_enabling_breakpoint(pid_t pid, Breakpoint * sbp); -void continue_process(pid_t pid); -void enable_breakpoint(pid_t pid, Breakpoint * sbp); -void disable_breakpoint(pid_t pid, Breakpoint * sbp); -int fork_p(int sysnum); -int exec_p(int sysnum); -int syscall_p(Process * proc, int status, int * sysnum); -void * get_instruction_pointer(pid_t pid); -void * get_stack_pointer(pid_t pid); -void * get_return_addr(pid_t pid, void * stack_pointer); -long gimme_arg(enum tof type, Process * proc, arg_type_info*); -int umovestr(Process * proc, void * addr, int len, void * laddr); -int umovelong(Process * proc, void * addr, long * result); -char * pid2name(pid_t pid); -void trace_me(void); -int trace_pid(pid_t pid); -void untrace_pid(pid_t pid); +See the file "backend.h" for description of backend interfaces, which +have to be provided by "sysdep.o". diff --git a/sysdeps/linux-gnu/Makefile b/sysdeps/linux-gnu/Makefile deleted file mode 100644 index eb1ec60..0000000 --- a/sysdeps/linux-gnu/Makefile +++ /dev/null @@ -1,60 +0,0 @@ -ARCH := $(shell uname -m | sed \ - -e s/i.86/i386/ \ - -e s/sun4u/sparc64/ \ - -e s/sparc64/sparc/ \ - -e s/arm.*/arm/ \ - -e s/sa110/arm/ \ - -e s/ppc64/ppc/ \ - -e s/s390x/s390/ \ - ) - -CPPFLAGS += -I$(TOPDIR)/sysdeps/linux-gnu/$(ARCH) - -OBJ = events.o trace.o proc.o breakpoint.o - -all: sysdep.h signalent.h syscallent.h arch_syscallent.h signalent1.h syscallent1.h ../sysdep.o - -sysdep.h: $(ARCH)/arch.h - cat $(ARCH)/arch.h > sysdep.h - -signalent.h: - cp $(ARCH)/signalent.h signalent.h -signalent1.h: - if [ -f $(ARCH)/signalent1.h ]; then \ - cp $(ARCH)/signalent1.h signalent1.h; \ - else \ - > signalent1.h; \ - fi - -syscallent.h: - cp $(ARCH)/syscallent.h syscallent.h - -syscallent1.h: - if [ -f $(ARCH)/syscallent1.h ]; then \ - cp $(ARCH)/syscallent1.h syscallent1.h; \ - else \ - > syscallent1.h; \ - fi - -arch_syscallent.h: - if [ -f $(ARCH)/arch_syscallent.h ]; then \ - cp $(ARCH)/arch_syscallent.h arch_syscallent.h; \ - else \ - > arch_syscallent.h; \ - fi - -../sysdep.o: os.o $(ARCH)/arch.o - $(CC) -nostdlib -r -o ../sysdep.o os.o $(ARCH)/arch.o - -os.o: $(OBJ) - $(CC) -nostdlib -r -o os.o $(OBJ) - -$(ARCH)/arch.o: dummy - $(MAKE) -C $(ARCH) - -clean: - $(MAKE) -C $(ARCH) clean - rm -f $(OBJ) sysdep.h signalent.h signalent1.h syscallent.h arch_syscallent.h - rm -f syscallent1.h os.o sysdep.o ../sysdep.o - -dummy: diff --git a/sysdeps/linux-gnu/Makefile.am b/sysdeps/linux-gnu/Makefile.am new file mode 100644 index 0000000..bfa67d6 --- /dev/null +++ b/sysdeps/linux-gnu/Makefile.am @@ -0,0 +1,46 @@ +# This file is part of ltrace. +# Copyright (C) 2010,2012 Marc Kleine-Budde, Pengutronix +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA + +DIST_SUBDIRS = alpha arm cris ia64 m68k mipsel ppc s390 sparc x86 + +SUBDIRS = \ + $(HOST_CPU) + +noinst_LTLIBRARIES = \ + ../libos.la + +___libos_la_SOURCES = \ + events.c \ + trace.c \ + proc.c \ + breakpoint.c + +___libos_la_LIBADD = \ + libcpu.la + +noinst_HEADERS = arch_syscallent.h signalent1.h syscallent1.h trace.h \ + trace-defs.h events.h os.h + +EXTRA_DIST = \ + arch_mksyscallent \ + mksignalent \ + mksyscallent \ + mksyscallent_s390 + +MAINTAINERCLEANFILES = \ + Makefile.in diff --git a/sysdeps/linux-gnu/Makefile.in b/sysdeps/linux-gnu/Makefile.in new file mode 100644 index 0000000..e00136b --- /dev/null +++ b/sysdeps/linux-gnu/Makefile.in @@ -0,0 +1,692 @@ +# Makefile.in generated by automake 1.11.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, +# Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# This file is part of ltrace. +# Copyright (C) 2010,2012 Marc Kleine-Budde, Pengutronix +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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mostlyclean-generic mostlyclean-libtool \ + pdf pdf-am ps ps-am tags uninstall uninstall-am + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/sysdeps/linux-gnu/alpha/arch.h b/sysdeps/linux-gnu/alpha/arch.h index 1107b5f..0696621 100644 --- a/sysdeps/linux-gnu/alpha/arch.h +++ b/sysdeps/linux-gnu/alpha/arch.h @@ -1,6 +1,27 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2004 Juan Cespedes + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #define BREAKPOINT_VALUE { 0x80, 0x00, 0x00, 0x00 } #define BREAKPOINT_LENGTH 4 #define DECR_PC_AFTER_BREAK 4 +#define ARCH_ENDIAN_LITTLE #define LT_ELFCLASS ELFCLASS64 #define LT_ELF_MACHINE EM_ALPHA diff --git a/sysdeps/linux-gnu/alpha/plt.c b/sysdeps/linux-gnu/alpha/plt.c index 83337b2..c7ce9fe 100644 --- a/sysdeps/linux-gnu/alpha/plt.c +++ b/sysdeps/linux-gnu/alpha/plt.c @@ -1,4 +1,25 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2004,2008,2009 Juan Cespedes + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include +#include "proc.h" #include "common.h" GElf_Addr diff --git a/sysdeps/linux-gnu/alpha/ptrace.h b/sysdeps/linux-gnu/alpha/ptrace.h index c3cbcb6..ad7e0d6 100644 --- a/sysdeps/linux-gnu/alpha/ptrace.h +++ b/sysdeps/linux-gnu/alpha/ptrace.h @@ -1 +1,21 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2004 Juan Cespedes + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include diff --git a/sysdeps/linux-gnu/alpha/regs.c b/sysdeps/linux-gnu/alpha/regs.c index 9554e48..0b46afd 100644 --- a/sysdeps/linux-gnu/alpha/regs.c +++ b/sysdeps/linux-gnu/alpha/regs.c @@ -1,9 +1,30 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2004,2008,2009 Juan Cespedes + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include "config.h" #include #include #include +#include "proc.h" #include "common.h" #if (!defined(PTRACE_PEEKUSER) && defined(PTRACE_PEEKUSR)) diff --git a/sysdeps/linux-gnu/alpha/signalent.h b/sysdeps/linux-gnu/alpha/signalent.h index c2a6170..e9588fa 100644 --- a/sysdeps/linux-gnu/alpha/signalent.h +++ b/sysdeps/linux-gnu/alpha/signalent.h @@ -1,3 +1,23 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + "SIG_0", /* 0 */ "SIGHUP", /* 1 */ "SIGINT", /* 2 */ diff --git a/sysdeps/linux-gnu/alpha/syscallent.h b/sysdeps/linux-gnu/alpha/syscallent.h index 7cacc8c..9a24315 100644 --- a/sysdeps/linux-gnu/alpha/syscallent.h +++ b/sysdeps/linux-gnu/alpha/syscallent.h @@ -1,3 +1,23 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + "osf_syscall", /* 0, not implemented */ "exit", /* 1 */ "fork", /* 2 */ diff --git a/sysdeps/linux-gnu/alpha/trace.c b/sysdeps/linux-gnu/alpha/trace.c index e4d4063..a7c5e59 100644 --- a/sysdeps/linux-gnu/alpha/trace.c +++ b/sysdeps/linux-gnu/alpha/trace.c @@ -1,3 +1,24 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2004,2008,2009 Juan Cespedes + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include "config.h" #include @@ -6,6 +27,7 @@ #include #include +#include "proc.h" #include "common.h" #include "debug.h" @@ -47,7 +69,8 @@ syscall_p(Process *proc, int status, int *sysnum) { } long -gimme_arg(enum tof type, Process *proc, int arg_num, arg_type_info *info) { +gimme_arg(enum tof type, Process *proc, int arg_num, struct arg_type_info *info) +{ if (arg_num == -1) { /* return value */ return ptrace(PTRACE_PEEKUSER, proc->pid, 0 /* REG_R0 */ , 0); } @@ -69,7 +92,3 @@ gimme_arg(enum tof type, Process *proc, int arg_num, arg_type_info *info) { } return 0; } - -void -save_register_args(enum tof type, Process *proc) { -} diff --git a/sysdeps/linux-gnu/arch_mksyscallent b/sysdeps/linux-gnu/arch_mksyscallent index 853d62d..ce79e26 100644 --- a/sysdeps/linux-gnu/arch_mksyscallent +++ b/sysdeps/linux-gnu/arch_mksyscallent @@ -1,4 +1,21 @@ #!/usr/bin/awk -f +# This file is part of ltrace. +# Copyright (C) 2008 Juan Cespedes +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA # hack expression to generate arch_syscallent.h from # It reads from stdin and writes to stdout diff --git a/sysdeps/linux-gnu/arch_syscallent.h b/sysdeps/linux-gnu/arch_syscallent.h new file mode 100644 index 0000000..74d8e19 --- /dev/null +++ b/sysdeps/linux-gnu/arch_syscallent.h @@ -0,0 +1 @@ +/* This file is intentionally left blank */ diff --git a/sysdeps/linux-gnu/arm/Makefile b/sysdeps/linux-gnu/arm/Makefile deleted file mode 100644 index f55ba48..0000000 --- a/sysdeps/linux-gnu/arm/Makefile +++ /dev/null @@ -1,10 +0,0 @@ -OBJ = trace.o regs.o plt.o breakpoint.o - -all: arch.o - -arch.o: $(OBJ) arch.h - $(CC) -nostdlib -r -o arch.o $(OBJ) - -clean: - $(RM) $(OBJ) arch.o - diff --git a/sysdeps/linux-gnu/arm/Makefile.am b/sysdeps/linux-gnu/arm/Makefile.am new file mode 100644 index 0000000..385424c --- /dev/null +++ b/sysdeps/linux-gnu/arm/Makefile.am @@ -0,0 +1,36 @@ +# This file is part of ltrace. +# Copyright (C) 2010 Marc Kleine-Budde, Pengutronix +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA + +noinst_LTLIBRARIES = \ + ../libcpu.la + +___libcpu_la_SOURCES = \ + breakpoint.c \ + plt.c \ + regs.c \ + trace.c + +noinst_HEADERS = \ + arch.h \ + arch_syscallent.h \ + ptrace.h \ + signalent.h \ + syscallent.h + +MAINTAINERCLEANFILES = \ + Makefile.in diff --git a/sysdeps/linux-gnu/arm/Makefile.in b/sysdeps/linux-gnu/arm/Makefile.in new file mode 100644 index 0000000..ad6475d --- /dev/null +++ b/sysdeps/linux-gnu/arm/Makefile.in @@ -0,0 +1,531 @@ +# Makefile.in generated by automake 1.11.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, +# Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# This file is part of ltrace. +# Copyright (C) 2010 Marc Kleine-Budde, Pengutronix +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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maintainer-clean maintainer-clean-generic mostlyclean \ + mostlyclean-compile mostlyclean-generic mostlyclean-libtool \ + pdf pdf-am ps ps-am tags uninstall uninstall-am + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/sysdeps/linux-gnu/arm/arch.h b/sysdeps/linux-gnu/arm/arch.h index 8f2dfb3..291443a 100644 --- a/sysdeps/linux-gnu/arm/arch.h +++ b/sysdeps/linux-gnu/arm/arch.h @@ -1,3 +1,23 @@ +/* + * This file is part of ltrace. + * Copyright (C) 1998,2004,2008 Juan Cespedes + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #define ARCH_HAVE_ENABLE_BREAKPOINT 1 #define ARCH_HAVE_DISABLE_BREAKPOINT 1 @@ -6,6 +26,12 @@ #define THUMB_BREAKPOINT_VALUE { 0x01, 0xde } #define THUMB_BREAKPOINT_LENGTH 2 #define DECR_PC_AFTER_BREAK 0 +#define ARCH_ENDIAN_LITTLE #define LT_ELFCLASS ELFCLASS32 #define LT_ELF_MACHINE EM_ARM + +#define ARCH_HAVE_BREAKPOINT_DATA +struct arch_breakpoint_data { + int thumb_mode; +}; diff --git a/sysdeps/linux-gnu/arm/arch_syscallent.h b/sysdeps/linux-gnu/arm/arch_syscallent.h index ce1e844..f5bb295 100644 --- a/sysdeps/linux-gnu/arm/arch_syscallent.h +++ b/sysdeps/linux-gnu/arm/arch_syscallent.h @@ -1,3 +1,23 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2008 Juan Cespedes + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + "0", /* 0 */ "breakpoint", /* 1 */ "cacheflush", /* 2 */ diff --git a/sysdeps/linux-gnu/arm/breakpoint.c b/sysdeps/linux-gnu/arm/breakpoint.c index 4c20260..5748401 100644 --- a/sysdeps/linux-gnu/arm/breakpoint.c +++ b/sysdeps/linux-gnu/arm/breakpoint.c @@ -23,14 +23,16 @@ */ #include +#include + #include "config.h" -#include "arch.h" -#include "options.h" -#include "output.h" +#include "breakpoint.h" #include "debug.h" +#include "proc.h" void -arch_enable_breakpoint(pid_t pid, Breakpoint *sbp) { +arch_enable_breakpoint(pid_t pid, struct breakpoint *sbp) +{ unsigned int i, j; const unsigned char break_insn[] = BREAKPOINT_VALUE; const unsigned char thumb_break_insn[] = THUMB_BREAKPOINT_VALUE; @@ -38,40 +40,79 @@ arch_enable_breakpoint(pid_t pid, Breakpoint *sbp) { debug(1, "arch_enable_breakpoint(%d,%p)", pid, sbp->addr); for (i = 0; i < 1 + ((BREAKPOINT_LENGTH - 1) / sizeof(long)); i++) { - long a = ptrace(PTRACE_PEEKTEXT, pid, sbp->addr + i * sizeof(long), 0); - unsigned char *bytes = (unsigned char *)&a; + union _ { long l; unsigned char b[SIZEOF_LONG]; }; + union _ orig, current; + unsigned char *bytes = current.b; + for (j = 0; j < sizeof(long); j++) { + orig.b[j] = sbp->orig_value[i * sizeof(long) + j]; + } + current.l = ptrace(PTRACE_PEEKTEXT, pid, sbp->addr + i * sizeof(long), 0); - debug(2, "current = 0x%lx, orig_value = 0x%lx, thumb_mode = %d", a, *(long *)&sbp->orig_value, sbp->thumb_mode); + debug(2, "current = 0x%lx, orig_value = 0x%lx, thumb_mode = %d", + current.l, orig.l, sbp->arch.thumb_mode); for (j = 0; j < sizeof(long) && i * sizeof(long) + j < BREAKPOINT_LENGTH; j++) { sbp->orig_value[i * sizeof(long) + j] = bytes[j]; - if (!sbp->thumb_mode) { + if (!sbp->arch.thumb_mode) { bytes[j] = break_insn[i * sizeof(long) + j]; } else if (j < THUMB_BREAKPOINT_LENGTH) { bytes[j] = thumb_break_insn[i * sizeof(long) + j]; } } - ptrace(PTRACE_POKETEXT, pid, sbp->addr + i * sizeof(long), a); + ptrace(PTRACE_POKETEXT, pid, sbp->addr + i * sizeof(long), + (void *)current.l); } } void -arch_disable_breakpoint(pid_t pid, const Breakpoint *sbp) { +arch_disable_breakpoint(pid_t pid, const struct breakpoint *sbp) +{ unsigned int i, j; - const unsigned char break_insn[] = BREAKPOINT_VALUE; - const unsigned char thumb_break_insn[] = THUMB_BREAKPOINT_VALUE; debug(1, "arch_disable_breakpoint(%d,%p)", pid, sbp->addr); for (i = 0; i < 1 + ((BREAKPOINT_LENGTH - 1) / sizeof(long)); i++) { - long a = ptrace(PTRACE_PEEKTEXT, pid, sbp->addr + i * sizeof(long), 0); - unsigned char *bytes = (unsigned char *)&a; + union _ { long l; unsigned char b[SIZEOF_LONG]; }; + union _ orig, current; + unsigned char *bytes = current.b; + for (j = 0; j < sizeof(long); j++) { + orig.b[j] = sbp->orig_value[i * sizeof(long) + j]; + } + current.l = ptrace(PTRACE_PEEKTEXT, pid, sbp->addr + i * sizeof(long), 0); - debug(2, "current = 0x%lx, orig_value = 0x%lx, thumb_mode = %d", a, *(long *)&sbp->orig_value, sbp->thumb_mode); + debug(2, "current = 0x%lx, orig_value = 0x%lx, thumb_mode = %d", + current.l, orig.l, sbp->arch.thumb_mode); for (j = 0; j < sizeof(long) && i * sizeof(long) + j < BREAKPOINT_LENGTH; j++) { bytes[j] = sbp->orig_value[i * sizeof(long) + j]; } - ptrace(PTRACE_POKETEXT, pid, sbp->addr + i * sizeof(long), a); + ptrace(PTRACE_POKETEXT, pid, sbp->addr + i * sizeof(long), + (void *)current.l); } } + +int +arch_breakpoint_init(struct Process *proc, struct breakpoint *sbp) +{ + /* XXX That uintptr_t cast is there temporarily until + * arch_addr_t becomes integral type. */ + int thumb_mode = ((uintptr_t)sbp->addr) & 1; + if (thumb_mode) + sbp->addr = (void *)((uintptr_t)sbp->addr & ~1); + sbp->arch.thumb_mode = thumb_mode | proc->thumb_mode; + /* XXX This doesn't seem like it belongs here. */ + proc->thumb_mode = 0; + return 0; +} + +void +arch_breakpoint_destroy(struct breakpoint *sbp) +{ +} + +int +arch_breakpoint_clone(struct breakpoint *retp, struct breakpoint *sbp) +{ + retp->arch.thumb_mode = sbp->arch.thumb_mode; + return 0; +} diff --git a/sysdeps/linux-gnu/arm/plt.c b/sysdeps/linux-gnu/arm/plt.c index bd92a63..1b97705 100644 --- a/sysdeps/linux-gnu/arm/plt.c +++ b/sysdeps/linux-gnu/arm/plt.c @@ -1,9 +1,45 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2010 Zach Welch, CodeSourcery + * Copyright (C) 2004,2008,2009 Juan Cespedes + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include -#include "common.h" + +#include "proc.h" +#include "library.h" +#include "ltrace-elf.h" + +static int +arch_plt_entry_has_stub(struct ltelf *lte, size_t off) { + uint16_t op = *(uint16_t *)((char *)lte->relplt->d_buf + off); + return op == 0x4778; +} GElf_Addr arch_plt_sym_val(struct ltelf *lte, size_t ndx, GElf_Rela * rela) { - return lte->plt_addr + 20 + ndx * 12; + size_t start = lte->relplt->d_size + 12; + size_t off = start + 20, i; + for (i = 0; i < ndx; i++) + off += arch_plt_entry_has_stub(lte, off) ? 16 : 12; + if (arch_plt_entry_has_stub(lte, off)) + off += 4; + return lte->plt_addr + off - start; } void * diff --git a/sysdeps/linux-gnu/arm/ptrace.h b/sysdeps/linux-gnu/arm/ptrace.h index 52215bc..41106d8 100644 --- a/sysdeps/linux-gnu/arm/ptrace.h +++ b/sysdeps/linux-gnu/arm/ptrace.h @@ -1,3 +1,23 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2004,2008 Juan Cespedes + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include #include diff --git a/sysdeps/linux-gnu/arm/regs.c b/sysdeps/linux-gnu/arm/regs.c index 2488b0a..484de7f 100644 --- a/sysdeps/linux-gnu/arm/regs.c +++ b/sysdeps/linux-gnu/arm/regs.c @@ -1,9 +1,31 @@ +/* + * This file is part of ltrace. + * Copyright (C) 1998,2002,2004,2008,2009 Juan Cespedes + * Copyright (C) 2009 Juan Cespedes + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include "config.h" #include #include #include +#include "proc.h" #include "common.h" #if (!defined(PTRACE_PEEKUSER) && defined(PTRACE_PEEKUSR)) @@ -14,9 +36,9 @@ # define PTRACE_POKEUSER PTRACE_POKEUSR #endif -#define off_pc 60 -#define off_lr 56 -#define off_sp 52 +#define off_pc ((void *)60) +#define off_lr ((void *)56) +#define off_sp ((void *)52) void * get_instruction_pointer(Process *proc) { @@ -39,13 +61,20 @@ void * get_return_addr(Process *proc, void *stack_pointer) { long addr = ptrace(PTRACE_PEEKUSER, proc->pid, off_lr, 0); + /* Remember & unset the thumb mode bit. XXX This is really a + * bit of a hack, as we assume that the following + * insert_breakpoint call will be related to this address. + * This interface should really be get_return_breakpoint, or + * maybe install_return_breakpoint. */ proc->thumb_mode = addr & 1; if (proc->thumb_mode) addr &= ~1; + return (void *)addr; } void set_return_addr(Process *proc, void *addr) { - ptrace(PTRACE_POKEUSER, proc->pid, off_lr, addr); + long iaddr = (int)addr | proc->thumb_mode; + ptrace(PTRACE_POKEUSER, proc->pid, off_lr, (void *)iaddr); } diff --git a/sysdeps/linux-gnu/arm/signalent.h b/sysdeps/linux-gnu/arm/signalent.h index 0afb004..4c28c9d 100644 --- a/sysdeps/linux-gnu/arm/signalent.h +++ b/sysdeps/linux-gnu/arm/signalent.h @@ -1,3 +1,23 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + "SIG_0", /* 0 */ "SIGHUP", /* 1 */ "SIGINT", /* 2 */ diff --git a/sysdeps/linux-gnu/arm/syscallent.h b/sysdeps/linux-gnu/arm/syscallent.h index 4113234..3b9bcfd 100644 --- a/sysdeps/linux-gnu/arm/syscallent.h +++ b/sysdeps/linux-gnu/arm/syscallent.h @@ -1,3 +1,23 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + "restart_syscall", /* 0 */ "exit", /* 1 */ "fork", /* 2 */ diff --git a/sysdeps/linux-gnu/arm/trace.c b/sysdeps/linux-gnu/arm/trace.c index 10f7cc4..c528cfb 100644 --- a/sysdeps/linux-gnu/arm/trace.c +++ b/sysdeps/linux-gnu/arm/trace.c @@ -1,3 +1,25 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2012 Petr Machata, Red Hat Inc. + * Copyright (C) 1998,2004,2008,2009 Juan Cespedes + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include "config.h" #include @@ -7,6 +29,7 @@ #include #include +#include "proc.h" #include "common.h" #include "output.h" #include "ptrace.h" @@ -19,10 +42,10 @@ # define PTRACE_POKEUSER PTRACE_POKEUSR #endif -#define off_r0 0 -#define off_r7 28 -#define off_ip 48 -#define off_pc 60 +#define off_r0 ((void *)0) +#define off_r7 ((void *)28) +#define off_ip ((void *)48) +#define off_pc ((void *)60) void get_arch_dep(Process *proc) { @@ -44,12 +67,15 @@ syscall_p(Process *proc, int status, int *sysnum) { if (WIFSTOPPED(status) && WSTOPSIG(status) == (SIGTRAP | proc->tracesysgood)) { /* get the user's pc (plus 8) */ - int pc = ptrace(PTRACE_PEEKUSER, proc->pid, off_pc, 0); + unsigned pc = ptrace(PTRACE_PEEKUSER, proc->pid, off_pc, 0); + pc = pc - 4; /* fetch the SWI instruction */ - int insn = ptrace(PTRACE_PEEKTEXT, proc->pid, pc - 4, 0); + unsigned insn = ptrace(PTRACE_PEEKTEXT, proc->pid, + (void *)pc, 0); int ip = ptrace(PTRACE_PEEKUSER, proc->pid, off_ip, 0); - if (insn == 0xef000000 || insn == 0x0f000000) { + if (insn == 0xef000000 || insn == 0x0f000000 + || (insn & 0xffff0000) == 0xdf000000) { /* EABI syscall */ *sysnum = ptrace(PTRACE_PEEKUSER, proc->pid, off_r7, 0); } else if ((insn & 0xfff00000) == 0xef900000) { @@ -61,8 +87,9 @@ syscall_p(Process *proc, int status, int *sysnum) { * are coming from a signal handler, so the current * PC does not point to the instruction just after the * "swi" one. */ - output_line(proc, "unexpected instruction 0x%x at %p", insn, pc - 4); - return -1; + output_line(proc, "unexpected instruction 0x%x at %p", + insn, pc); + return 0; } if ((*sysnum & 0xf0000) == 0xf0000) { /* arch-specific syscall */ @@ -77,7 +104,8 @@ syscall_p(Process *proc, int status, int *sysnum) { } long -gimme_arg(enum tof type, Process *proc, int arg_num, arg_type_info *info) { +gimme_arg(enum tof type, Process *proc, int arg_num, struct arg_type_info *info) +{ proc_archdep *a = (proc_archdep *) proc->arch_ptr; if (arg_num == -1) { /* return value */ @@ -91,8 +119,8 @@ gimme_arg(enum tof type, Process *proc, int arg_num, arg_type_info *info) { return a->regs.uregs[arg_num]; if (a->valid && type == LT_TOF_FUNCTIONR) return a->func_arg[arg_num]; - return ptrace(PTRACE_PEEKUSER, proc->pid, 4 * arg_num, - 0); + return ptrace(PTRACE_PEEKUSER, proc->pid, + (void *)(4 * arg_num), 0); } else { return ptrace(PTRACE_PEEKDATA, proc->pid, proc->stack_pointer + 4 * (arg_num - 4), @@ -104,8 +132,8 @@ gimme_arg(enum tof type, Process *proc, int arg_num, arg_type_info *info) { return a->regs.uregs[arg_num]; if (a->valid && type == LT_TOF_SYSCALLR) return a->sysc_arg[arg_num]; - return ptrace(PTRACE_PEEKUSER, proc->pid, 4 * arg_num, - 0); + return ptrace(PTRACE_PEEKUSER, proc->pid, + (void *)(4 * arg_num), 0); } else { return ptrace(PTRACE_PEEKDATA, proc->pid, proc->stack_pointer + 4 * (arg_num - 5), @@ -118,14 +146,3 @@ gimme_arg(enum tof type, Process *proc, int arg_num, arg_type_info *info) { return 0; } - -void -save_register_args(enum tof type, Process *proc) { - proc_archdep *a = (proc_archdep *) proc->arch_ptr; - if (a->valid) { - if (type == LT_TOF_FUNCTION) - memcpy(a->func_arg, a->regs.uregs, sizeof(a->func_arg)); - else - memcpy(a->sysc_arg, a->regs.uregs, sizeof(a->sysc_arg)); - } -} diff --git a/sysdeps/linux-gnu/breakpoint.c b/sysdeps/linux-gnu/breakpoint.c index 5ca131a..fe336b1 100644 --- a/sysdeps/linux-gnu/breakpoint.c +++ b/sysdeps/linux-gnu/breakpoint.c @@ -1,39 +1,62 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011 Petr Machata, Red Hat Inc. + * Copyright (C) 2006 Ian Wienand + * Copyright (C) 2002,2008,2009 Juan Cespedes + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include "config.h" #include +#include #include +#include #include "common.h" -#include "arch.h" - -static unsigned char break_insn[] = BREAKPOINT_VALUE; +#include "backend.h" +#include "sysdep.h" +#include "breakpoint.h" +#include "proc.h" +#include "library.h" #ifdef ARCH_HAVE_ENABLE_BREAKPOINT -extern void arch_enable_breakpoint(pid_t, Breakpoint *); -void -enable_breakpoint(pid_t pid, Breakpoint *sbp) { - if (sbp->libsym) { - debug(DEBUG_PROCESS, "enable_breakpoint: pid=%d, addr=%p, symbol=%s", pid, sbp->addr, sbp->libsym->name); - } else { - debug(DEBUG_PROCESS, "enable_breakpoint: pid=%d, addr=%p", pid, sbp->addr); - } - arch_enable_breakpoint(pid, sbp); -} -#else +extern void arch_enable_breakpoint(pid_t, struct breakpoint *); +#else /* ARCH_HAVE_ENABLE_BREAKPOINT */ void -enable_breakpoint(pid_t pid, Breakpoint *sbp) { +arch_enable_breakpoint(pid_t pid, struct breakpoint *sbp) +{ + static unsigned char break_insn[] = BREAKPOINT_VALUE; unsigned int i, j; - if (sbp->libsym) { - debug(DEBUG_PROCESS, "enable_breakpoint: pid=%d, addr=%p, symbol=%s", pid, sbp->addr, sbp->libsym->name); - } else { - debug(DEBUG_PROCESS, "enable_breakpoint: pid=%d, addr=%p", pid, sbp->addr); - } + debug(DEBUG_PROCESS, + "arch_enable_breakpoint: pid=%d, addr=%p, symbol=%s", + pid, sbp->addr, breakpoint_name(sbp)); for (i = 0; i < 1 + ((BREAKPOINT_LENGTH - 1) / sizeof(long)); i++) { - long a = - ptrace(PTRACE_PEEKTEXT, pid, sbp->addr + i * sizeof(long), - 0); + long a = ptrace(PTRACE_PEEKTEXT, pid, + sbp->addr + i * sizeof(long), 0); + if (a == -1 && errno) { + fprintf(stderr, "enable_breakpoint" + " pid=%d, addr=%p, symbol=%s: %s\n", + pid, sbp->addr, breakpoint_name(sbp), + strerror(errno)); + return; + } for (j = 0; j < sizeof(long) && i * sizeof(long) + j < BREAKPOINT_LENGTH; j++) { @@ -42,37 +65,48 @@ enable_breakpoint(pid_t pid, Breakpoint *sbp) { sbp->orig_value[i * sizeof(long) + j] = bytes[j]; bytes[j] = break_insn[i * sizeof(long) + j]; } - ptrace(PTRACE_POKETEXT, pid, sbp->addr + i * sizeof(long), a); + a = ptrace(PTRACE_POKETEXT, pid, + sbp->addr + i * sizeof(long), a); + if (a == -1) { + fprintf(stderr, "enable_breakpoint" + " pid=%d, addr=%p, symbol=%s: %s\n", + pid, sbp->addr, breakpoint_name(sbp), + strerror(errno)); + return; + } } } #endif /* ARCH_HAVE_ENABLE_BREAKPOINT */ -#ifdef ARCH_HAVE_DISABLE_BREAKPOINT -extern void arch_disable_breakpoint(pid_t, const Breakpoint *sbp); void -disable_breakpoint(pid_t pid, const Breakpoint *sbp) { - if (sbp->libsym) { - debug(DEBUG_PROCESS, "disable_breakpoint: pid=%d, addr=%p, symbol=%s", pid, sbp->addr, sbp->libsym->name); - } else { - debug(DEBUG_PROCESS, "disable_breakpoint: pid=%d, addr=%p", pid, sbp->addr); - } - arch_disable_breakpoint(pid, sbp); +enable_breakpoint(Process *proc, struct breakpoint *sbp) +{ + debug(DEBUG_PROCESS, "enable_breakpoint: pid=%d, addr=%p, symbol=%s", + proc->pid, sbp->addr, breakpoint_name(sbp)); + arch_enable_breakpoint(proc->pid, sbp); } -#else + +#ifdef ARCH_HAVE_DISABLE_BREAKPOINT +extern void arch_disable_breakpoint(pid_t, const struct breakpoint *sbp); +#else /* ARCH_HAVE_DISABLE_BREAKPOINT */ void -disable_breakpoint(pid_t pid, const Breakpoint *sbp) { +arch_disable_breakpoint(pid_t pid, const struct breakpoint *sbp) +{ unsigned int i, j; - if (sbp->libsym) { - debug(DEBUG_PROCESS, "disable_breakpoint: pid=%d, addr=%p, symbol=%s", pid, sbp->addr, sbp->libsym->name); - } else { - debug(DEBUG_PROCESS, "disable_breakpoint: pid=%d, addr=%p", pid, sbp->addr); - } + debug(DEBUG_PROCESS, + "arch_disable_breakpoint: pid=%d, addr=%p, symbol=%s", + pid, sbp->addr, breakpoint_name(sbp)); for (i = 0; i < 1 + ((BREAKPOINT_LENGTH - 1) / sizeof(long)); i++) { - long a = - ptrace(PTRACE_PEEKTEXT, pid, sbp->addr + i * sizeof(long), - 0); + long a = ptrace(PTRACE_PEEKTEXT, pid, + sbp->addr + i * sizeof(long), 0); + if (a == -1 && errno) { + fprintf(stderr, + "disable_breakpoint pid=%d, addr=%p: %s\n", + pid, sbp->addr, strerror(errno)); + return; + } for (j = 0; j < sizeof(long) && i * sizeof(long) + j < BREAKPOINT_LENGTH; j++) { @@ -80,7 +114,22 @@ disable_breakpoint(pid_t pid, const Breakpoint *sbp) { bytes[j] = sbp->orig_value[i * sizeof(long) + j]; } - ptrace(PTRACE_POKETEXT, pid, sbp->addr + i * sizeof(long), a); + a = ptrace(PTRACE_POKETEXT, pid, + sbp->addr + i * sizeof(long), a); + if (a == -1 && errno) { + fprintf(stderr, + "disable_breakpoint pid=%d, addr=%p: %s\n", + pid, sbp->addr, strerror(errno)); + return; + } } } #endif /* ARCH_HAVE_DISABLE_BREAKPOINT */ + +void +disable_breakpoint(Process *proc, struct breakpoint *sbp) +{ + debug(DEBUG_PROCESS, "disable_breakpoint: pid=%d, addr=%p, symbol=%s", + proc->pid, sbp->addr, breakpoint_name(sbp)); + arch_disable_breakpoint(proc->pid, sbp); +} diff --git a/sysdeps/linux-gnu/cris/Makefile.am b/sysdeps/linux-gnu/cris/Makefile.am new file mode 100644 index 0000000..30cb0fd --- /dev/null +++ b/sysdeps/linux-gnu/cris/Makefile.am @@ -0,0 +1,34 @@ +# This file is part of ltrace. +# Copyright (C) 2012 Edgar E. Iglesias, Axis Communications +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA + +noinst_LTLIBRARIES = \ + ../libcpu.la + +___libcpu_la_SOURCES = \ + plt.c \ + regs.c \ + trace.c + +noinst_HEADERS = \ + arch.h \ + ptrace.h \ + signalent.h \ + syscallent.h + +MAINTAINERCLEANFILES = \ + Makefile.in diff --git a/sysdeps/linux-gnu/cris/Makefile.in b/sysdeps/linux-gnu/cris/Makefile.in new file mode 100644 index 0000000..c978410 --- /dev/null +++ b/sysdeps/linux-gnu/cris/Makefile.in @@ -0,0 +1,528 @@ +# Makefile.in generated by automake 1.11.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, +# Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# This file is part of ltrace. +# Copyright (C) 2012 Edgar E. Iglesias, Axis Communications +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA + + +VPATH = @srcdir@ +pkgdatadir = $(datadir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkglibexecdir = $(libexecdir)/@PACKAGE@ +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = $(program_transform_name) +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : +NORMAL_UNINSTALL = : +PRE_UNINSTALL = : +POST_UNINSTALL = : +build_triplet = @build@ +host_triplet = @host@ +subdir = sysdeps/linux-gnu/cris +DIST_COMMON = $(noinst_HEADERS) $(srcdir)/Makefile.am \ + $(srcdir)/Makefile.in +ACLOCAL_M4 = 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mostlyclean-generic mostlyclean-libtool \ + pdf pdf-am ps ps-am tags uninstall uninstall-am + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/sysdeps/linux-gnu/cris/arch.h b/sysdeps/linux-gnu/cris/arch.h new file mode 100644 index 0000000..099dc3f --- /dev/null +++ b/sysdeps/linux-gnu/cris/arch.h @@ -0,0 +1,27 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2010 Edgar E. Iglesias + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#define BREAKPOINT_VALUE { 0x38, 0xe9 } +#define BREAKPOINT_LENGTH 2 +#define DECR_PC_AFTER_BREAK 0 +#define ARCH_ENDIAN_LITTLE + +#define LT_ELFCLASS ELFCLASS32 +#define LT_ELF_MACHINE EM_CRIS diff --git a/sysdeps/linux-gnu/cris/plt.c b/sysdeps/linux-gnu/cris/plt.c new file mode 100644 index 0000000..427ae93 --- /dev/null +++ b/sysdeps/linux-gnu/cris/plt.c @@ -0,0 +1,34 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2010 Edgar E. Iglesias + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include +#include "proc.h" +#include "common.h" +#include "library.h" + +GElf_Addr arch_plt_sym_val(struct ltelf *lte, size_t ndx, GElf_Rela * rela) +{ + return lte->plt_addr + 0x20 + (ndx * 26); +} + +void *sym2addr(Process *proc, struct library_symbol *sym) +{ + return sym->enter_addr; +} diff --git a/sysdeps/linux-gnu/cris/ptrace.h b/sysdeps/linux-gnu/cris/ptrace.h new file mode 100644 index 0000000..8f04f16 --- /dev/null +++ b/sysdeps/linux-gnu/cris/ptrace.h @@ -0,0 +1,21 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2010 Edgar E. Iglesias + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include diff --git a/sysdeps/linux-gnu/cris/regs.c b/sysdeps/linux-gnu/cris/regs.c new file mode 100644 index 0000000..7028b9e --- /dev/null +++ b/sysdeps/linux-gnu/cris/regs.c @@ -0,0 +1,58 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2010 Edgar E. Iglesias + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#if HAVE_CONFIG_H +#include "config.h" +#endif + +#include +#include +#include + +#include "proc.h" +#include "common.h" + +#if (!defined(PTRACE_PEEKUSER) && defined(PTRACE_PEEKUSR)) +# define PTRACE_PEEKUSER PTRACE_PEEKUSR +#endif + +#if (!defined(PTRACE_POKEUSER) && defined(PTRACE_POKEUSR)) +# define PTRACE_POKEUSER PTRACE_POKEUSR +#endif + +void *get_instruction_pointer(Process *proc) +{ + return (void *)ptrace(PTRACE_PEEKUSER, proc->pid, 4 * PT_PPC, 0); +} + +void set_instruction_pointer(Process *proc, void *addr) +{ + ptrace(PTRACE_POKEUSER, proc->pid, 4 * PT_PPC, addr); +} + +void *get_stack_pointer(Process *proc) +{ + return (void *)ptrace(PTRACE_PEEKUSER, proc->pid, 4 * PT_USP, 0); +} + +void *get_return_addr(Process *proc, void *stack_pointer) +{ + return (void *)ptrace(PTRACE_PEEKUSER, proc->pid, 4 * PT_SRP, 0); +} diff --git a/sysdeps/linux-gnu/cris/signalent.h b/sysdeps/linux-gnu/cris/signalent.h new file mode 100644 index 0000000..71cedbe --- /dev/null +++ b/sysdeps/linux-gnu/cris/signalent.h @@ -0,0 +1,52 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2010 Edgar E. Iglesias + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + + "SIG_0", /* 0 */ + "SIGHUP", /* 1 */ + "SIGINT", /* 2 */ + "SIGQUIT", /* 3 */ + "SIGILL", /* 4 */ + "SIGTRAP", /* 5 */ + "SIGABRT", /* 6 */ + "SIGBUS", /* 7 */ + "SIGFPE", /* 8 */ + "SIGKILL", /* 9 */ + "SIGUSR1", /* 10 */ + "SIGSEGV", /* 11 */ + "SIGUSR2", /* 12 */ + "SIGPIPE", /* 13 */ + "SIGALRM", /* 14 */ + "SIGTERM", /* 15 */ + "SIGSTKFLT", /* 16 */ + "SIGCHLD", /* 17 */ + "SIGCONT", /* 18 */ + "SIGSTOP", /* 19 */ + "SIGTSTP", /* 20 */ + "SIGTTIN", /* 21 */ + "SIGTTOU", /* 22 */ + "SIGURG", /* 23 */ + "SIGXCPU", /* 24 */ + "SIGXFSZ", /* 25 */ + "SIGVTALRM", /* 26 */ + "SIGPROF", /* 27 */ + "SIGWINCH", /* 28 */ + "SIGIO", /* 29 */ + "SIGPWR", /* 30 */ + "SIGSYS", /* 31 */ diff --git a/sysdeps/linux-gnu/cris/syscallent.h b/sysdeps/linux-gnu/cris/syscallent.h new file mode 100644 index 0000000..7a7d1ca --- /dev/null +++ b/sysdeps/linux-gnu/cris/syscallent.h @@ -0,0 +1,345 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2010 Edgar E. Iglesias + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +"0", /* 0 */ + "exit", +"fork", +"read", +"write", +"open", +"close", +"waitpid", +"creat", +"link", +"unlink", +"execve", +"chdir", +"time", +"mknod", +"chmod", +"lchown", +"break", +"oldstat", +"lseek", +"getpid", +"mount", +"umount", +"setuid", +"getuid", +"stime", +"ptrace", +"alarm", +"oldfstat", +"pause", +"utime", +"stty", +"gtty", +"access", +"nice", +"ftime", +"sync", +"kill", +"rename", +"mkdir", +"rmdir", +"dup", +"pipe", +"times", +"prof", +"brk", +"setgid", +"getgid", +"signal", +"geteuid", +"getegid", +"acct", +"umount2", +"lock", +"ioctl", +"fcntl", +"mpx", +"setpgid", +"ulimit", +"oldolduname", +"umask", +"chroot", +"ustat", +"dup2", +"getppid", +"getpgrp", +"setsid", +"sigaction", +"sgetmask", +"ssetmask", +"setreuid", +"setregid", +"sigsuspend", +"sigpending", +"sethostname", +"setrlimit", +"getrlimit", +"getrusage", +"gettimeofday", +"settimeofday", +"getgroups", +"setgroups", +"select", +"symlink", +"oldlstat", +"readlink", +"uselib", +"swapon", +"reboot", +"readdir", +"mmap", +"munmap", +"truncate", +"ftruncate", +"fchmod", +"fchown", +"getpriority", +"setpriority", +"profil", +"statfs", +"fstatfs", +"ioperm", +"socketcall", +"syslog", +"setitimer", +"getitimer", +"stat", +"lstat", +"fstat", +"olduname", +"iopl", +"vhangup", +"idle", +"vm86", +"wait4", +"swapoff", +"sysinfo", +"ipc", +"fsync", +"sigreturn", +"clone", +"setdomainname", +"uname", +"modify_ldt", +"adjtimex", +"mprotect", +"sigprocmask", +"create_module", +"init_module", +"delete_module", +"get_kernel_syms", +"quotactl", +"getpgid", +"fchdir", +"bdflush", +"sysfs", +"personality", +"afs_syscall", +"setfsuid", +"setfsgid", +"_llseek", +"getdents", +"_newselect", +"flock", +"msync", +"readv", +"writev", +"getsid", +"fdatasync", +"_sysctl", +"mlock", +"munlock", +"mlockall", +"munlockall", +"sched_setparam", +"sched_getparam", +"sched_setscheduler", +"sched_getscheduler", +"sched_yield", +"sched_get_priority_max", +"sched_get_priority_min", +"sched_rr_get_interval", +"nanosleep", +"mremap", +"setresuid", +"getresuid", +"invalid", +"query_module", +"poll", +"nfsservctl", +"setresgid", +"getresgid", +"prctl", +"rt_sigreturn", +"rt_sigaction", +"rt_sigprocmask", +"rt_sigpending", +"rt_sigtimedwait", +"rt_sigqueueinfo", +"rt_sigsuspend", +"pread64", +"pwrite64", +"chown", +"getcwd", +"capget", +"capset", +"sigaltstack", +"sendfile", +"getpmsg", +"putpmsg", +"vfork", +"ugetrlimit", +"mmap2", +"truncate64", +"ftruncate64", +"stat64", +"lstat64", +"fstat64", +"lchown32", +"getuid32", +"getgid32", +"geteuid32", +"getegid32", +"setreuid32", +"setregid32", +"getgroups32", +"setgroups32", +"fchown32", +"setresuid32", +"getresuid32", +"setresgid32", +"getresgid32", +"chown32", +"setuid32", +"setgid32", +"setfsuid32", +"setfsgid32", +"pivot_root", +"mincore", +"madvise", +"getdents64", +"fcntl64", +"invalid", +"invalid", +"gettid", +"readahead", +"setxattr", +"lsetxattr", +"fsetxattr", +"getxattr", +"lgetxattr", +"fgetxattr", +"listxattr", +"llistxattr", +"flistxattr", +"removexattr", +"lremovexattr", +"fremovexattr", +"tkill", +"sendfile64", +"futex", +"sched_setaffinity", +"sched_getaffinity", +"set_thread_area", +"get_thread_area", +"io_setup", +"io_destroy", +"io_getevents", +"io_submit", +"io_cancel", +"fadvise64", +"invalid", +"exit_group", +"lookup_dcookie", +"epoll_create", +"epoll_ctl", +"epoll_wait", +"remap_file_pages", +"set_tid_address", +"timer_create", +"timer_settime", +"timer_gettime", +"timer_getoverrun", +"timer_delete", +"clock_settime", +"clock_gettime", +"clock_getres", +"clock_nanosleep", +"statfs64", +"fstatfs64", +"tgkill", +"utimes", +"fadvise64_64", +"vserver", +"mbind", +"get_mempolicy", +"set_mempolicy", +"mq_open", +"mq_unlink", +"mq_timedsend", +"mq_timedreceive", +"mq_notify", +"mq_getsetattr", +"kexec_load", +"waitid", +"invalid", +"add_key", +"request_key", +"keyctl", +"ioprio_set", +"ioprio_get", +"inotify_init", +"inotify_add_watch", +"inotify_rm_watch", +"migrate_pages", +"openat", +"mkdirat", +"mknodat", +"fchownat", +"futimesat", +"fstatat64", +"unlinkat", +"renameat", +"linkat", +"symlinkat", +"readlinkat", +"fchmodat", +"faccessat", +"pselect6", +"ppoll", +"unshare", +"set_robust_list", +"get_robust_list", +"splice", +"sync_file_range", +"tee", +"vmsplice", +"move_pages", +"getcpu", +"epoll_pwait", +"utimensat", +"signalfd", +"timerfd", +"eventfd", +"fallocate", diff --git a/sysdeps/linux-gnu/cris/trace.c b/sysdeps/linux-gnu/cris/trace.c new file mode 100644 index 0000000..98cb7d8 --- /dev/null +++ b/sysdeps/linux-gnu/cris/trace.c @@ -0,0 +1,93 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2010 Edgar E. Iglesias + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#if HAVE_CONFIG_H +#include "config.h" +#endif + +#include +#include +#include +#include +#include +#include + +#include "proc.h" +#include "common.h" + +#if (!defined(PTRACE_PEEKUSER) && defined(PTRACE_PEEKUSR)) +# define PTRACE_PEEKUSER PTRACE_PEEKUSR +#endif + +#if (!defined(PTRACE_POKEUSER) && defined(PTRACE_POKEUSR)) +# define PTRACE_POKEUSER PTRACE_POKEUSR +#endif + +void get_arch_dep(Process *proc) +{ +} + +/* Returns 1 if syscall, 2 if sysret, 0 otherwise. + */ +#define SYSCALL_INSN 0xe93d +int syscall_p(Process *proc, int status, int *sysnum) +{ + if (WIFSTOPPED(status) + && WSTOPSIG(status) == (SIGTRAP | proc->tracesysgood)) { + long pc = (long)get_instruction_pointer(proc); + unsigned int insn = + (int)ptrace(PTRACE_PEEKTEXT, proc->pid, pc - sizeof(long), + 0); + + if ((insn >> 16) == SYSCALL_INSN) { + *sysnum = + (int)ptrace(PTRACE_PEEKUSER, proc->pid, + sizeof(long) * PT_R9, 0); + if (proc->callstack_depth > 0 + && proc->callstack[proc->callstack_depth - + 1].is_syscall) { + return 2; + } + return 1; + } + } + return 0; +} + +long gimme_arg(enum tof type, Process *proc, int arg_num, + struct arg_type_info *info) +{ + int pid = proc->pid; + + if (arg_num == -1) { /* return value */ + return ptrace(PTRACE_PEEKUSER, pid, PT_R10 * 4, 0); + } else if (arg_num < 6) { + int pt_arg[6] = + { + PT_ORIG_R10, PT_R11, PT_R12, PT_R13, PT_MOF, + PT_SRP + }; + return ptrace(PTRACE_PEEKUSER, pid, pt_arg[arg_num] * 4, 0); + } else { + return ptrace(PTRACE_PEEKDATA, pid, + proc->stack_pointer + 4 * (arg_num - 6), 0); + } + return 0; +} diff --git a/sysdeps/linux-gnu/events.c b/sysdeps/linux-gnu/events.c index a1e2a14..077a656 100644 --- a/sysdeps/linux-gnu/events.c +++ b/sysdeps/linux-gnu/events.c @@ -1,31 +1,163 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2007,2011,2012 Petr Machata, Red Hat Inc. + * Copyright (C) 1998,2001,2004,2007,2008,2009 Juan Cespedes + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include "config.h" #define _GNU_SOURCE 1 -#include +#include #include #include +#include #include #include +#include +#include #include -#include +#include -#include "common.h" +#include "backend.h" +#include "breakpoint.h" +#include "debug.h" +#include "events.h" +#include "proc.h" +#include "linux-gnu/trace-defs.h" static Event event; +/* A queue of events that we missed while enabling the + * breakpoint in one of tasks. */ +static Event * delayed_events = NULL; +static Event * end_delayed_events = NULL; + +static enum callback_status +first (Process * proc, void * data) +{ + return CBS_STOP; +} + +void +enque_event(Event * event) +{ + debug(DEBUG_FUNCTION, "%d: queuing event %d for later", + event->proc->pid, event->type); + Event * ne = malloc(sizeof(*ne)); + if (ne == NULL) { + fprintf(stderr, "event will be missed: %s\n", strerror(errno)); + return; + } + + *ne = *event; + ne->next = NULL; + if (end_delayed_events == NULL) { + assert(delayed_events == NULL); + end_delayed_events = delayed_events = ne; + } + else { + assert(delayed_events != NULL); + end_delayed_events = end_delayed_events->next = ne; + } +} + Event * -next_event(void) { +each_qd_event(enum ecb_status (*pred)(Event *, void *), void * data) +{ + Event * prev = delayed_events; + Event * event; + for (event = prev; event != NULL; ) { + switch ((*pred)(event, data)) { + case ecb_cont: + prev = event; + event = event->next; + continue; + + case ecb_deque: + debug(DEBUG_FUNCTION, "dequeuing event %d for %d", + event->type, + event->proc != NULL ? event->proc->pid : -1); + /* + printf("dequeuing event %d for %d\n", event->type, + event->proc != NULL ? event->proc->pid : -1) ; + */ + if (end_delayed_events == event) + end_delayed_events = prev; + if (delayed_events == event) + delayed_events = event->next; + else + prev->next = event->next; + if (delayed_events == NULL) + end_delayed_events = NULL; + /* fall-through */ + + case ecb_yield: + return event; + } + } + + return NULL; +} + +static enum ecb_status +event_process_not_reenabling(Event * event, void * data) +{ + if (event->proc == NULL + || event->proc->leader == NULL + || event->proc->leader->event_handler == NULL) + return ecb_deque; + else + return ecb_cont; +} + +static Event * +next_qd_event(void) +{ + return each_qd_event(&event_process_not_reenabling, NULL); +} + +int linux_in_waitpid = 0; + +Event * +next_event(void) +{ pid_t pid; int status; int tmp; int stop_signal; debug(DEBUG_FUNCTION, "next_event()"); - if (!list_of_processes) { + Event * ev; + if ((ev = next_qd_event()) != NULL) { + event = *ev; + free(ev); + return &event; + } + + if (!each_process(NULL, &first, NULL)) { debug(DEBUG_EVENT, "event: No more traced programs: exiting"); exit(0); } + + linux_in_waitpid = 1; pid = waitpid(-1, &status, __WALL); + linux_in_waitpid = 0; + if (pid == -1) { if (errno == ECHILD) { debug(DEBUG_EVENT, "event: No more traced programs: exiting"); @@ -40,26 +172,84 @@ next_event(void) { } event.proc = pid2proc(pid); if (!event.proc || event.proc->state == STATE_BEING_CREATED) { + /* Work around (presumably) a bug on some kernels, + * where we are seeing a waitpid event even though the + * process is still reported to be running. Wait for + * the tracing stop to propagate. But don't get stuck + * here forever. + * + * We need the process in T, because there's a lot of + * ptracing going on all over the place, and these + * calls fail when the process is not in T. + * + * N.B. This was observed on RHEL 5 Itanium, but I'm + * turning this on globally, to save some poor soul + * down the road (which could well be me a year from + * now) the pain of figuring this out all over again. + * Petr Machata 2011-11-22. */ + int i = 0; + for (; i < 100 && process_status(pid) != ps_tracing_stop; ++i) { + debug(2, "waiting for %d to stop", pid); + usleep(10000); + } event.type = EVENT_NEW; event.e_un.newpid = pid; debug(DEBUG_EVENT, "event: NEW: pid=%d", pid); return &event; } get_arch_dep(event.proc); - event.proc->instruction_pointer = NULL; debug(3, "event from pid %u", pid); - if (event.proc->breakpoints_enabled == -1) { - enable_all_breakpoints(event.proc); - event.type = EVENT_NONE; - trace_set_options(event.proc, event.proc->pid); - continue_process(event.proc->pid); - debug(DEBUG_EVENT, "event: NONE: pid=%d (enabling breakpoints)", pid); + Process *leader = event.proc->leader; + + /* The process should be stopped after the waitpid call. But + * when the whole thread group is terminated, we see + * individual tasks spontaneously transitioning from 't' to + * 'R' and 'Z'. Calls to ptrace fail and /proc/pid/status may + * not even be available anymore, so we can't check in + * advance. So we just drop the error checking around ptrace + * calls. We check for termination ex post when it fails, + * suppress the event, and let the event loop collect the + * termination in the next iteration. */ +#define CHECK_PROCESS_TERMINATED \ + do { \ + int errno_save = errno; \ + switch (process_stopped(pid)) \ + case 0: \ + case -1: { \ + debug(DEBUG_EVENT, \ + "process not stopped, is it terminating?"); \ + event.type = EVENT_NONE; \ + continue_process(event.proc->pid); \ + return &event; \ + } \ + errno = errno_save; \ + } while (0) + + event.proc->instruction_pointer = (void *)(uintptr_t)-1; + + /* Check for task termination now, before we have a need to + * call CHECK_PROCESS_TERMINATED later. That would suppress + * the event that we are processing. */ + if (WIFSIGNALED(status)) { + event.type = EVENT_EXIT_SIGNAL; + event.e_un.signum = WTERMSIG(status); + debug(DEBUG_EVENT, "event: EXIT_SIGNAL: pid=%d, signum=%d", pid, event.e_un.signum); return &event; } - if (opt_i) { - event.proc->instruction_pointer = - get_instruction_pointer(event.proc); + if (WIFEXITED(status)) { + event.type = EVENT_EXIT; + event.e_un.ret_val = WEXITSTATUS(status); + debug(DEBUG_EVENT, "event: EXIT: pid=%d, status=%d", pid, event.e_un.ret_val); + return &event; } + + event.proc->instruction_pointer = get_instruction_pointer(event.proc); + if (event.proc->instruction_pointer == (void *)(uintptr_t)-1) { + CHECK_PROCESS_TERMINATED; + if (errno != 0) + perror("get_instruction_pointer"); + } + switch (syscall_p(event.proc, status, &tmp)) { case 1: event.type = EVENT_SYSCALL; @@ -82,36 +272,30 @@ next_event(void) { debug(DEBUG_EVENT, "event: ARCH_SYSRET: pid=%d, sysnum=%d", pid, tmp); return &event; case -1: - event.type = EVENT_NONE; - continue_process(event.proc->pid); - debug(DEBUG_EVENT, "event: NONE: pid=%d (syscall_p returned -1)", pid); - return &event; + CHECK_PROCESS_TERMINATED; + if (errno != 0) + perror("syscall_p"); } - if (WIFSTOPPED(status) && ((status>>16 == PTRACE_EVENT_FORK) || (status>>16 == PTRACE_EVENT_VFORK) || (status>>16 == PTRACE_EVENT_CLONE))) { - unsigned long data; - ptrace(PTRACE_GETEVENTMSG, pid, NULL, &data); - event.type = EVENT_CLONE; - event.e_un.newpid = data; - debug(DEBUG_EVENT, "event: CLONE: pid=%d, newpid=%d", pid, (int)data); - return &event; + if (WIFSTOPPED(status)) { + int what = status >> 16; + if (what == PTRACE_EVENT_VFORK + || what == PTRACE_EVENT_FORK + || what == PTRACE_EVENT_CLONE) { + unsigned long data; + event.type = what == PTRACE_EVENT_VFORK + ? EVENT_VFORK : EVENT_CLONE; + ptrace(PTRACE_GETEVENTMSG, pid, NULL, &data); + event.e_un.newpid = data; + debug(DEBUG_EVENT, "event: CLONE: pid=%d, newpid=%d", + pid, (int)data); + return &event; + } } if (WIFSTOPPED(status) && (status>>16 == PTRACE_EVENT_EXEC)) { event.type = EVENT_EXEC; debug(DEBUG_EVENT, "event: EXEC: pid=%d", pid); return &event; } - if (WIFEXITED(status)) { - event.type = EVENT_EXIT; - event.e_un.ret_val = WEXITSTATUS(status); - debug(DEBUG_EVENT, "event: EXIT: pid=%d, status=%d", pid, event.e_un.ret_val); - return &event; - } - if (WIFSIGNALED(status)) { - event.type = EVENT_EXIT_SIGNAL; - event.e_un.signum = WTERMSIG(status); - debug(DEBUG_EVENT, "event: EXIT_SIGNAL: pid=%d, signum=%d", pid, event.e_un.signum); - return &event; - } if (!WIFSTOPPED(status)) { /* should never happen */ event.type = EVENT_NONE; @@ -122,22 +306,19 @@ next_event(void) { stop_signal = WSTOPSIG(status); /* On some targets, breakpoints are signalled not using - SIGTRAP, but also with SIGILL, SIGSEGV or SIGEMT. Check - for these. (TODO: is this true?) */ - if (stop_signal == SIGSEGV - || stop_signal == SIGILL -#ifdef SIGEMT - || stop_signal == SIGEMT -#endif - ) { - if (!event.proc->instruction_pointer) { - event.proc->instruction_pointer = - get_instruction_pointer(event.proc); - } + SIGTRAP, but also with SIGILL, SIGSEGV or SIGEMT. SIGEMT + is not defined on Linux, but check for the others. - if (address2bpstruct(event.proc, event.proc->instruction_pointer)) + N.B. see comments in GDB's infrun.c for details. I've + actually seen this on an Itanium machine on RHEL 5, I don't + remember the exact kernel version anymore. ia64-sigill.s + in the test suite tests this. Petr Machata 2011-06-08. */ + void * break_address + = event.proc->instruction_pointer - DECR_PC_AFTER_BREAK; + if ((stop_signal == SIGSEGV || stop_signal == SIGILL) + && leader != NULL + && address2bpstruct(leader, break_address)) stop_signal = SIGTRAP; - } if (stop_signal != (SIGTRAP | event.proc->tracesysgood) && stop_signal != SIGTRAP) { @@ -150,12 +331,25 @@ next_event(void) { /* last case [by exhaustion] */ event.type = EVENT_BREAKPOINT; - if (!event.proc->instruction_pointer) { - event.proc->instruction_pointer = - get_instruction_pointer(event.proc); - } - event.e_un.brk_addr = - event.proc->instruction_pointer - DECR_PC_AFTER_BREAK; + event.e_un.brk_addr = break_address; debug(DEBUG_EVENT, "event: BREAKPOINT: pid=%d, addr=%p", pid, event.e_un.brk_addr); + return &event; } + +static enum ecb_status +event_for_proc(struct Event *event, void *data) +{ + if (event->proc == data) + return ecb_deque; + else + return ecb_cont; +} + +void +delete_events_for(struct Process *proc) +{ + struct Event *event; + while ((event = each_qd_event(&event_for_proc, proc)) != NULL) + free(event); +} diff --git a/sysdeps/linux-gnu/events.h b/sysdeps/linux-gnu/events.h new file mode 100644 index 0000000..3802aff --- /dev/null +++ b/sysdeps/linux-gnu/events.h @@ -0,0 +1,41 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011,2012 Petr Machata, Red Hat Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#ifndef SYSDEPS_LINUX_GNU_EVENTS_H +#define SYSDEPS_LINUX_GNU_EVENTS_H + +#include "forward.h" + +/* Declarations for event que functions. */ + +enum ecb_status { + ecb_cont, /* The iteration should continue. */ + ecb_yield, /* The iteration should stop, yielding this + * event. */ + ecb_deque, /* Like ecb_stop, but the event should be removed + * from the queue. */ +}; + +struct Event *each_qd_event(enum ecb_status (*cb)(struct Event *event, + void *data), void *data); +void delete_events_for(struct Process * proc); +void enque_event(struct Event *event); + +#endif /* SYSDEPS_LINUX_GNU_EVENTS_H */ diff --git a/sysdeps/linux-gnu/i386/Makefile b/sysdeps/linux-gnu/i386/Makefile deleted file mode 100644 index 60d7531..0000000 --- a/sysdeps/linux-gnu/i386/Makefile +++ /dev/null @@ -1,10 +0,0 @@ -OBJ = trace.o regs.o plt.o - -all: arch.o - -arch.o: $(OBJ) - $(CC) -nostdlib -r -o arch.o $(OBJ) - -clean: - $(RM) $(OBJ) arch.o - diff --git a/sysdeps/linux-gnu/i386/arch.h b/sysdeps/linux-gnu/i386/arch.h deleted file mode 100644 index dc7383f..0000000 --- a/sysdeps/linux-gnu/i386/arch.h +++ /dev/null @@ -1,6 +0,0 @@ -#define BREAKPOINT_VALUE {0xcc} -#define BREAKPOINT_LENGTH 1 -#define DECR_PC_AFTER_BREAK 1 - -#define LT_ELFCLASS ELFCLASS32 -#define LT_ELF_MACHINE EM_386 diff --git a/sysdeps/linux-gnu/i386/plt.c b/sysdeps/linux-gnu/i386/plt.c deleted file mode 100644 index b53ff44..0000000 --- a/sysdeps/linux-gnu/i386/plt.c +++ /dev/null @@ -1,12 +0,0 @@ -#include -#include "common.h" - -GElf_Addr -arch_plt_sym_val(struct ltelf *lte, size_t ndx, GElf_Rela * rela) { - return lte->plt_addr + (ndx + 1) * 16; -} - -void * -sym2addr(Process *proc, struct library_symbol *sym) { - return sym->enter_addr; -} diff --git a/sysdeps/linux-gnu/i386/ptrace.h b/sysdeps/linux-gnu/i386/ptrace.h deleted file mode 100644 index c3cbcb6..0000000 --- a/sysdeps/linux-gnu/i386/ptrace.h +++ /dev/null @@ -1 +0,0 @@ -#include diff --git a/sysdeps/linux-gnu/i386/regs.c b/sysdeps/linux-gnu/i386/regs.c deleted file mode 100644 index 6777f17..0000000 --- a/sysdeps/linux-gnu/i386/regs.c +++ /dev/null @@ -1,40 +0,0 @@ -#include "config.h" - -#include -#include -#include - -#include "common.h" - -#if (!defined(PTRACE_PEEKUSER) && defined(PTRACE_PEEKUSR)) -# define PTRACE_PEEKUSER PTRACE_PEEKUSR -#endif - -#if (!defined(PTRACE_POKEUSER) && defined(PTRACE_POKEUSR)) -# define PTRACE_POKEUSER PTRACE_POKEUSR -#endif - -void * -get_instruction_pointer(Process *proc) { - return (void *)ptrace(PTRACE_PEEKUSER, proc->pid, 4 * EIP, 0); -} - -void -set_instruction_pointer(Process *proc, void *addr) { - ptrace(PTRACE_POKEUSER, proc->pid, 4 * EIP, (long)addr); -} - -void * -get_stack_pointer(Process *proc) { - return (void *)ptrace(PTRACE_PEEKUSER, proc->pid, 4 * UESP, 0); -} - -void * -get_return_addr(Process *proc, void *stack_pointer) { - return (void *)ptrace(PTRACE_PEEKTEXT, proc->pid, stack_pointer, 0); -} - -void -set_return_addr(Process *proc, void *addr) { - ptrace(PTRACE_POKETEXT, proc->pid, proc->stack_pointer, (long)addr); -} diff --git a/sysdeps/linux-gnu/i386/syscallent.h b/sysdeps/linux-gnu/i386/syscallent.h deleted file mode 100644 index 8f4c887..0000000 --- a/sysdeps/linux-gnu/i386/syscallent.h +++ /dev/null @@ -1,317 +0,0 @@ - "restart_syscall", /* 0 */ - "exit", /* 1 */ - "fork", /* 2 */ - "read", /* 3 */ - "write", /* 4 */ - "open", /* 5 */ - "close", /* 6 */ - "waitpid", /* 7 */ - "creat", /* 8 */ - "link", /* 9 */ - "unlink", /* 10 */ - "execve", /* 11 */ - "chdir", /* 12 */ - "time", /* 13 */ - "mknod", /* 14 */ - "chmod", /* 15 */ - "lchown", /* 16 */ - "break", /* 17 */ - "oldstat", /* 18 */ - "lseek", /* 19 */ - "getpid", /* 20 */ - "mount", /* 21 */ - "umount", /* 22 */ - "setuid", /* 23 */ - "getuid", /* 24 */ - "stime", /* 25 */ - "ptrace", /* 26 */ - "alarm", /* 27 */ - "oldfstat", /* 28 */ - "pause", /* 29 */ - "utime", /* 30 */ - "stty", /* 31 */ - "gtty", /* 32 */ - "access", /* 33 */ - "nice", /* 34 */ - "ftime", /* 35 */ - "sync", /* 36 */ - "kill", /* 37 */ - "rename", /* 38 */ - "mkdir", /* 39 */ - "rmdir", /* 40 */ - "dup", /* 41 */ - "pipe", /* 42 */ - "times", /* 43 */ - "prof", /* 44 */ - "brk", /* 45 */ - "setgid", /* 46 */ - "getgid", /* 47 */ - "signal", /* 48 */ - "geteuid", /* 49 */ - "getegid", /* 50 */ - "acct", /* 51 */ - "umount2", /* 52 */ - "lock", /* 53 */ - "ioctl", /* 54 */ - "fcntl", /* 55 */ - "mpx", /* 56 */ - "setpgid", /* 57 */ - "ulimit", /* 58 */ - "oldolduname", /* 59 */ - "umask", /* 60 */ - "chroot", /* 61 */ - "ustat", /* 62 */ - "dup2", /* 63 */ - "getppid", /* 64 */ - "getpgrp", /* 65 */ - "setsid", /* 66 */ - "sigaction", /* 67 */ - "sgetmask", /* 68 */ - "ssetmask", /* 69 */ - "setreuid", /* 70 */ - "setregid", /* 71 */ - "sigsuspend", /* 72 */ - "sigpending", /* 73 */ - "sethostname", /* 74 */ - "setrlimit", /* 75 */ - "getrlimit", /* 76 */ - "getrusage", /* 77 */ - "gettimeofday", /* 78 */ - "settimeofday", /* 79 */ - "getgroups", /* 80 */ - "setgroups", /* 81 */ - "select", /* 82 */ - "symlink", /* 83 */ - "oldlstat", /* 84 */ - "readlink", /* 85 */ - "uselib", /* 86 */ - "swapon", /* 87 */ - "reboot", /* 88 */ - "readdir", /* 89 */ - "mmap", /* 90 */ - "munmap", /* 91 */ - "truncate", /* 92 */ - "ftruncate", /* 93 */ - "fchmod", /* 94 */ - "fchown", /* 95 */ - "getpriority", /* 96 */ - "setpriority", /* 97 */ - "profil", /* 98 */ - "statfs", /* 99 */ - "fstatfs", /* 100 */ - "ioperm", /* 101 */ - "socketcall", /* 102 */ - "syslog", /* 103 */ - "setitimer", /* 104 */ - "getitimer", /* 105 */ - "stat", /* 106 */ - "lstat", /* 107 */ - "fstat", /* 108 */ - "olduname", /* 109 */ - "iopl", /* 110 */ - "vhangup", /* 111 */ - "idle", /* 112 */ - "vm86old", /* 113 */ - "wait4", /* 114 */ - "swapoff", /* 115 */ - "sysinfo", /* 116 */ - "ipc", /* 117 */ - "fsync", /* 118 */ - "sigreturn", /* 119 */ - "clone", /* 120 */ - "setdomainname", /* 121 */ - "uname", /* 122 */ - "modify_ldt", /* 123 */ - "adjtimex", /* 124 */ - "mprotect", /* 125 */ - "sigprocmask", /* 126 */ - "create_module", /* 127 */ - "init_module", /* 128 */ - "delete_module", /* 129 */ - "get_kernel_syms", /* 130 */ - "quotactl", /* 131 */ - "getpgid", /* 132 */ - "fchdir", /* 133 */ - "bdflush", /* 134 */ - "sysfs", /* 135 */ - "personality", /* 136 */ - "afs_syscall", /* 137 */ - "setfsuid", /* 138 */ - "setfsgid", /* 139 */ - "_llseek", /* 140 */ - "getdents", /* 141 */ - "_newselect", /* 142 */ - "flock", /* 143 */ - "msync", /* 144 */ - "readv", /* 145 */ - "writev", /* 146 */ - "getsid", /* 147 */ - "fdatasync", /* 148 */ - "_sysctl", /* 149 */ - "mlock", /* 150 */ - "munlock", /* 151 */ - "mlockall", /* 152 */ - "munlockall", /* 153 */ - "sched_setparam", /* 154 */ - "sched_getparam", /* 155 */ - "sched_setscheduler", /* 156 */ - "sched_getscheduler", /* 157 */ - "sched_yield", /* 158 */ - "sched_get_priority_max", /* 159 */ - "sched_get_priority_min", /* 160 */ - "sched_rr_get_interval", /* 161 */ - "nanosleep", /* 162 */ - "mremap", /* 163 */ - "setresuid", /* 164 */ - "getresuid", /* 165 */ - "vm86", /* 166 */ - "query_module", /* 167 */ - "poll", /* 168 */ - "nfsservctl", /* 169 */ - "setresgid", /* 170 */ - "getresgid", /* 171 */ - "prctl", /* 172 */ - "rt_sigreturn", /* 173 */ - "rt_sigaction", /* 174 */ - "rt_sigprocmask", /* 175 */ - "rt_sigpending", /* 176 */ - "rt_sigtimedwait", /* 177 */ - "rt_sigqueueinfo", /* 178 */ - "rt_sigsuspend", /* 179 */ - "pread64", /* 180 */ - "pwrite64", /* 181 */ - "chown", /* 182 */ - "getcwd", /* 183 */ - "capget", /* 184 */ - "capset", /* 185 */ - "sigaltstack", /* 186 */ - "sendfile", /* 187 */ - "getpmsg", /* 188 */ - "putpmsg", /* 189 */ - "vfork", /* 190 */ - "ugetrlimit", /* 191 */ - "mmap2", /* 192 */ - "truncate64", /* 193 */ - "ftruncate64", /* 194 */ - "stat64", /* 195 */ - "lstat64", /* 196 */ - "fstat64", /* 197 */ - "lchown32", /* 198 */ - "getuid32", /* 199 */ - "getgid32", /* 200 */ - "geteuid32", /* 201 */ - "getegid32", /* 202 */ - "setreuid32", /* 203 */ - "setregid32", /* 204 */ - "getgroups32", /* 205 */ - "setgroups32", /* 206 */ - "fchown32", /* 207 */ - "setresuid32", /* 208 */ - "getresuid32", /* 209 */ - "setresgid32", /* 210 */ - "getresgid32", /* 211 */ - "chown32", /* 212 */ - "setuid32", /* 213 */ - "setgid32", /* 214 */ - "setfsuid32", /* 215 */ - "setfsgid32", /* 216 */ - "pivot_root", /* 217 */ - "mincore", /* 218 */ - "madvise1", /* 219 */ - "getdents64", /* 220 */ - "fcntl64", /* 221 */ - "222", /* 222 */ - "223", /* 223 */ - "gettid", /* 224 */ - "readahead", /* 225 */ - "setxattr", /* 226 */ - "lsetxattr", /* 227 */ - "fsetxattr", /* 228 */ - "getxattr", /* 229 */ - "lgetxattr", /* 230 */ - "fgetxattr", /* 231 */ - "listxattr", /* 232 */ - "llistxattr", /* 233 */ - "flistxattr", /* 234 */ - "removexattr", /* 235 */ - "lremovexattr", /* 236 */ - "fremovexattr", /* 237 */ - "tkill", /* 238 */ - "sendfile64", /* 239 */ - "futex", /* 240 */ - "sched_setaffinity", /* 241 */ - "sched_getaffinity", /* 242 */ - "set_thread_area", /* 243 */ - "get_thread_area", /* 244 */ - "io_setup", /* 245 */ - "io_destroy", /* 246 */ - "io_getevents", /* 247 */ - "io_submit", /* 248 */ - "io_cancel", /* 249 */ - "fadvise64", /* 250 */ - "251", /* 251 */ - "exit_group", /* 252 */ - "lookup_dcookie", /* 253 */ - "epoll_create", /* 254 */ - "epoll_ctl", /* 255 */ - "epoll_wait", /* 256 */ - "remap_file_pages", /* 257 */ - "set_tid_address", /* 258 */ - "timer_create", /* 259 */ - "260", /* 260 */ - "261", /* 261 */ - "262", /* 262 */ - "263", /* 263 */ - "264", /* 264 */ - "265", /* 265 */ - "266", /* 266 */ - "267", /* 267 */ - "statfs64", /* 268 */ - "fstatfs64", /* 269 */ - "tgkill", /* 270 */ - "utimes", /* 271 */ - "fadvise64_64", /* 272 */ - "vserver", /* 273 */ - "mbind", /* 274 */ - "get_mempolicy", /* 275 */ - "set_mempolicy", /* 276 */ - "mq_open", /* 277 */ - "278", /* 278 */ - "279", /* 279 */ - "280", /* 280 */ - "281", /* 281 */ - "282", /* 282 */ - "kexec_load", /* 283 */ - "waitid", /* 284 */ - "285", /* 285 */ - "add_key", /* 286 */ - "request_key", /* 287 */ - "keyctl", /* 288 */ - "ioprio_set", /* 289 */ - "ioprio_get", /* 290 */ - "inotify_init", /* 291 */ - "inotify_add_watch", /* 292 */ - "inotify_rm_watch", /* 293 */ - "migrate_pages", /* 294 */ - "openat", /* 295 */ - "mkdirat", /* 296 */ - "mknodat", /* 297 */ - "fchownat", /* 298 */ - "futimesat", /* 299 */ - "fstatat64", /* 300 */ - "unlinkat", /* 301 */ - "renameat", /* 302 */ - "linkat", /* 303 */ - "symlinkat", /* 304 */ - "readlinkat", /* 305 */ - "fchmodat", /* 306 */ - "faccessat", /* 307 */ - "pselect6", /* 308 */ - "ppoll", /* 309 */ - "unshare", /* 310 */ - "set_robust_list", /* 311 */ - "get_robust_list", /* 312 */ - "splice", /* 313 */ - "sync_file_range", /* 314 */ - "tee", /* 315 */ - "vmsplice", /* 316 */ diff --git a/sysdeps/linux-gnu/i386/trace.c b/sysdeps/linux-gnu/i386/trace.c deleted file mode 100644 index 76f1105..0000000 --- a/sysdeps/linux-gnu/i386/trace.c +++ /dev/null @@ -1,85 +0,0 @@ -#include "config.h" - -#include -#include -#include -#include -#include -#include - -#include "common.h" - -#if (!defined(PTRACE_PEEKUSER) && defined(PTRACE_PEEKUSR)) -# define PTRACE_PEEKUSER PTRACE_PEEKUSR -#endif - -#if (!defined(PTRACE_POKEUSER) && defined(PTRACE_POKEUSR)) -# define PTRACE_POKEUSER PTRACE_POKEUSR -#endif - -void -get_arch_dep(Process *proc) { -} - -/* Returns 1 if syscall, 2 if sysret, 0 otherwise. - */ -int -syscall_p(Process *proc, int status, int *sysnum) { - if (WIFSTOPPED(status) - && WSTOPSIG(status) == (SIGTRAP | proc->tracesysgood)) { - *sysnum = ptrace(PTRACE_PEEKUSER, proc->pid, 4 * ORIG_EAX, 0); - - if (proc->callstack_depth > 0 && - proc->callstack[proc->callstack_depth - 1].is_syscall && - proc->callstack[proc->callstack_depth - 1].c_un.syscall == *sysnum) { - return 2; - } - - if (*sysnum >= 0) { - return 1; - } - } - return 0; -} - -long -gimme_arg(enum tof type, Process *proc, int arg_num, arg_type_info *info) { - if (arg_num == -1) { /* return value */ - return ptrace(PTRACE_PEEKUSER, proc->pid, 4 * EAX, 0); - } - - if (type == LT_TOF_FUNCTION || type == LT_TOF_FUNCTIONR) { - return ptrace(PTRACE_PEEKTEXT, proc->pid, - proc->stack_pointer + 4 * (arg_num + 1), 0); - } else if (type == LT_TOF_SYSCALL || type == LT_TOF_SYSCALLR) { -#if 0 - switch (arg_num) { - case 0: - return ptrace(PTRACE_PEEKUSER, proc->pid, 4 * EBX, 0); - case 1: - return ptrace(PTRACE_PEEKUSER, proc->pid, 4 * ECX, 0); - case 2: - return ptrace(PTRACE_PEEKUSER, proc->pid, 4 * EDX, 0); - case 3: - return ptrace(PTRACE_PEEKUSER, proc->pid, 4 * ESI, 0); - case 4: - return ptrace(PTRACE_PEEKUSER, proc->pid, 4 * EDI, 0); - default: - fprintf(stderr, - "gimme_arg called with wrong arguments\n"); - exit(2); - } -#else - return ptrace(PTRACE_PEEKUSER, proc->pid, 4 * arg_num, 0); -#endif - } else { - fprintf(stderr, "gimme_arg called with wrong arguments\n"); - exit(1); - } - - return 0; -} - -void -save_register_args(enum tof type, Process *proc) { -} diff --git a/sysdeps/linux-gnu/ia64/Makefile b/sysdeps/linux-gnu/ia64/Makefile deleted file mode 100644 index 4f0ef63..0000000 --- a/sysdeps/linux-gnu/ia64/Makefile +++ /dev/null @@ -1,10 +0,0 @@ -OBJ = trace.o regs.o plt.o breakpoint.o - -all: arch.o - -arch.o: $(OBJ) - $(LD) -r -o arch.o $(OBJ) - -clean: - $(RM) $(OBJ) arch.o - diff --git a/sysdeps/linux-gnu/ia64/Makefile.am b/sysdeps/linux-gnu/ia64/Makefile.am new file mode 100644 index 0000000..c5fd360 --- /dev/null +++ b/sysdeps/linux-gnu/ia64/Makefile.am @@ -0,0 +1,36 @@ +# This file is part of ltrace. +# Copyright (C) 2010 Marc Kleine-Budde, Pengutronix +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA + +noinst_LTLIBRARIES = \ + ../libcpu.la + +___libcpu_la_SOURCES = \ + breakpoint.c \ + plt.c \ + regs.c \ + trace.c \ + fetch.c + +noinst_HEADERS = \ + arch.h \ + ptrace.h \ + signalent.h \ + syscallent.h + +MAINTAINERCLEANFILES = \ + Makefile.in diff --git a/sysdeps/linux-gnu/ia64/Makefile.in b/sysdeps/linux-gnu/ia64/Makefile.in new file mode 100644 index 0000000..a4eb305 --- /dev/null +++ b/sysdeps/linux-gnu/ia64/Makefile.in @@ -0,0 +1,533 @@ +# Makefile.in generated by automake 1.11.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, +# Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# This file is part of ltrace. +# Copyright (C) 2010 Marc Kleine-Budde, Pengutronix +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA + + +VPATH = @srcdir@ +pkgdatadir = $(datadir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkglibexecdir = $(libexecdir)/@PACKAGE@ +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = $(program_transform_name) +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : +NORMAL_UNINSTALL = : +PRE_UNINSTALL = : +POST_UNINSTALL = : +build_triplet = @build@ +host_triplet = @host@ +subdir = sysdeps/linux-gnu/ia64 +DIST_COMMON = $(noinst_HEADERS) $(srcdir)/Makefile.am \ + $(srcdir)/Makefile.in +ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 +am__aclocal_m4_deps = $(top_srcdir)/config/m4/libtool.m4 \ + $(top_srcdir)/config/m4/ltoptions.m4 \ + $(top_srcdir)/config/m4/ltsugar.m4 \ + $(top_srcdir)/config/m4/ltversion.m4 \ + $(top_srcdir)/config/m4/lt~obsolete.m4 \ + $(top_srcdir)/configure.ac +am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \ + $(ACLOCAL_M4) +mkinstalldirs = $(install_sh) -d +CONFIG_HEADER = $(top_builddir)/config.h +CONFIG_CLEAN_FILES = +CONFIG_CLEAN_VPATH_FILES = +LTLIBRARIES = $(noinst_LTLIBRARIES) +___libcpu_la_LIBADD = +am____libcpu_la_OBJECTS = breakpoint.lo plt.lo regs.lo trace.lo \ + fetch.lo +___libcpu_la_OBJECTS = $(am____libcpu_la_OBJECTS) +am__dirstamp = $(am__leading_dot)dirstamp +DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir) +depcomp = $(SHELL) $(top_srcdir)/config/autoconf/depcomp +am__depfiles_maybe = depfiles +am__mv = mv -f +COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \ + $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) 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\ + install-strip installcheck installcheck-am installdirs \ + maintainer-clean maintainer-clean-generic mostlyclean \ + mostlyclean-compile mostlyclean-generic mostlyclean-libtool \ + pdf pdf-am ps ps-am tags uninstall uninstall-am + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/sysdeps/linux-gnu/ia64/arch.h b/sysdeps/linux-gnu/ia64/arch.h index 673047c..82780d4 100644 --- a/sysdeps/linux-gnu/ia64/arch.h +++ b/sysdeps/linux-gnu/ia64/arch.h @@ -1,9 +1,34 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2006,2011,2012 Petr Machata, Red Hat Inc. + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #define ARCH_HAVE_DISABLE_BREAKPOINT 1 #define ARCH_HAVE_ENABLE_BREAKPOINT 1 +#define ARCH_HAVE_FETCH_ARG +#define ARCH_HAVE_FETCH_PACK #define BREAKPOINT_LENGTH 16 #define BREAKPOINT_VALUE {0} #define DECR_PC_AFTER_BREAK 0 +#define ARCH_ENDIAN_LITTLE +#define ARCH_HAVE_TRANSLATE_ADDRESS #define LT_ELFCLASS ELFCLASS64 #define LT_ELF_MACHINE EM_IA_64 diff --git a/sysdeps/linux-gnu/ia64/breakpoint.c b/sysdeps/linux-gnu/ia64/breakpoint.c index 4f09173..ca34e93 100644 --- a/sysdeps/linux-gnu/ia64/breakpoint.c +++ b/sysdeps/linux-gnu/ia64/breakpoint.c @@ -1,14 +1,33 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2008,2009 Juan Cespedes + * Copyright (C) 2005,2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + /* IA64 breakpoint support. Much of this clagged from gdb * -Ian Wienand 10/3/2005 */ -#include "config.h" - #include #include -#include "arch.h" -#include "options.h" -#include "output.h" +#include + +#include "breakpoint.h" #include "debug.h" static long long @@ -153,7 +172,8 @@ union bundle_t { }; void -arch_enable_breakpoint(pid_t pid, Breakpoint *sbp) { +arch_enable_breakpoint(pid_t pid, struct breakpoint *sbp) +{ unsigned long addr = (unsigned long)sbp->addr; union bundle_t bundle; @@ -163,9 +183,7 @@ arch_enable_breakpoint(pid_t pid, Breakpoint *sbp) { debug(1, "Enable Breakpoint at %p)", sbp->addr); - if (slotnum > 2) - printf - ("Can't insert breakpoint for slot numbers greater than 2."); + assert(slotnum <= 2); addr &= ~0x0f; bundle.ubundle[0] = ptrace(PTRACE_PEEKTEXT, pid, addr, 0); @@ -190,7 +208,8 @@ arch_enable_breakpoint(pid_t pid, Breakpoint *sbp) { } void -arch_disable_breakpoint(pid_t pid, const Breakpoint *sbp) { +arch_disable_breakpoint(pid_t pid, const struct breakpoint *sbp) +{ unsigned long addr = (unsigned long)sbp->addr; int slotnum = (int)(addr & 0x0f) & 0x3; diff --git a/sysdeps/linux-gnu/ia64/fetch.c b/sysdeps/linux-gnu/ia64/fetch.c new file mode 100644 index 0000000..54dc5b8 --- /dev/null +++ b/sysdeps/linux-gnu/ia64/fetch.c @@ -0,0 +1,502 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2012 Petr Machata, Red Hat Inc. + * Copyright (C) 2008,2009 Juan Cespedes + * Copyright (C) 2006 Steve Fink + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include +#include +#include +#include +#include +#include + +#include "backend.h" +#include "fetch.h" +#include "type.h" +#include "proc.h" +#include "value.h" + +struct fetch_context { + arch_addr_t stack_pointer; + struct pt_all_user_regs regs; + enum param_pack_flavor ppflavor; + + /* Return values larger than 256 bits (except HFAs of up to 8 + * elements) are returned in a buffer allocated by the + * caller. A pointer to the buffer is passed to the called + * procedure in r8. This register is not guaranteed to be + * preserved by the called procedure. */ + unsigned long r8; + + int slot_n; + int flt; +}; + +union cfm_t { + struct { + unsigned long sof:7; + unsigned long sol:7; + unsigned long sor:4; + unsigned long rrb_gr:7; + unsigned long rrb_fr:7; + unsigned long rrb_pr:6; + } cfm; + unsigned long value; +}; + +static int +fetch_context_init(struct Process *proc, struct fetch_context *context) +{ + context->slot_n = 0; + context->flt = 8; + if (ptrace(PTRACE_GETREGS, proc->pid, 0, &context->regs) < 0) + return -1; + context->stack_pointer = (void *)(context->regs.gr[12] + 16); + context->ppflavor = PARAM_PACK_ARGS; + + return 0; +} + +struct fetch_context * +arch_fetch_arg_init(enum tof type, struct Process *proc, + struct arg_type_info *ret_info) +{ + struct fetch_context *context = malloc(sizeof(*context)); + if (context == NULL + || fetch_context_init(proc, context) < 0) { + free(context); + return NULL; + } + context->r8 = context->regs.gr[8]; + + return context; +} + +struct fetch_context * +arch_fetch_arg_clone(struct Process *proc, + struct fetch_context *context) +{ + struct fetch_context *clone = malloc(sizeof(*context)); + if (clone == NULL) + return NULL; + *clone = *context; + return clone; +} + +int +allocate_stack_slot(struct fetch_context *ctx, struct Process *proc, + struct arg_type_info *info, struct value *valuep) +{ + size_t al = type_alignof(proc, info); + size_t sz = type_sizeof(proc, info); + if (al == (size_t)-1 || sz == (size_t)-1) + return -1; + + errno = 0; + long value = ptrace(PTRACE_PEEKDATA, proc->pid, ctx->stack_pointer, 0); + if (value == -1 && errno != 0) + return -1; + ctx->stack_pointer += 8; + value_set_word(valuep, value); + + return 0; +} + +static int +allocate_reg(struct fetch_context *ctx, struct Process *proc, + struct arg_type_info *info, struct value *valuep) +{ + if (ctx->slot_n >= 8) + return allocate_stack_slot(ctx, proc, info, valuep); + + int reg_num = ctx->slot_n++; + if (ctx->slot_n == 8) + ctx->flt = 16; + if (valuep == NULL) + return 0; + + /* This would normally be brought over from asm/ptrace.h, but + * when we do, we get namespace conflicts between asm/fpu.h + * and libunwind. */ + enum { PT_AUR_BSP = 17 }; + + union cfm_t cfm = { .value = ctx->regs.cfm }; + unsigned long *bsp = (unsigned long *)ctx->regs.ar[PT_AUR_BSP]; + unsigned long idx = -cfm.cfm.sof + reg_num; + unsigned long *ptr = ia64_rse_skip_regs(bsp, idx); + errno = 0; + long ret = ptrace(PTRACE_PEEKDATA, proc->pid, ptr, 0); + if (ret == -1 && errno != 0) + return -1; + + value_set_word(valuep, ret); + return 0; +} + +static int +copy_aggregate_part(struct fetch_context *ctx, struct Process *proc, + unsigned char *buf, size_t size) +{ + size_t slots = (size + 7) / 8; + struct arg_type_info *long_info = type_get_simple(ARGTYPE_LONG); + while (slots-- > 0) { + size_t chunk_sz = size > 8 ? 8 : size; + size -= 8; + + struct value tmp; + value_init(&tmp, proc, NULL, long_info, 0); + int rc = allocate_reg(ctx, proc, long_info, &tmp); + if (rc >= 0) { + memcpy(buf, value_get_data(&tmp, NULL), chunk_sz); + buf += 8; + } + value_destroy(&tmp); + if (rc < 0) + return -1; + } + return 0; +} + +static int +allocate_arg(struct fetch_context *ctx, struct Process *proc, + struct arg_type_info *info, struct value *valuep) +{ + size_t sz = type_sizeof(proc, info); + size_t align = type_alignof(proc, info); + if (sz == (size_t)-1 || align == (size_t)-1) + return -1; + + unsigned char *buf = value_reserve(valuep, sz); + if (buf == NULL) + return -1; + + assert(align == 0 || align == 1 || align == 2 || align == 4 + || align == 8 || align == 16); + + /* For aggregates with an external alignment of 16 bytes, the + * Next Even policy is used. 128-bit integers use the Next + * Even policy as well. */ + if (align == 16 && ctx->slot_n % 2 != 0) + allocate_reg(ctx, proc, info, NULL); + + int rc= copy_aggregate_part(ctx, proc, buf, sz); + + return rc; +} + +/* Stolen from David Mosberger's utrace tool, which he released under + the GPL + (http://www.gelato.unsw.edu.au/archives/linux-ia64/0104/1405.html) */ +static inline double +fpreg_to_double (struct ia64_fpreg *fp) { + double result; + asm ("ldf.fill %0=%1" : "=f"(result) : "m"(*fp)); + return result; +} + +static int +allocate_float(struct fetch_context *ctx, struct Process *proc, + struct arg_type_info *info, struct value *valuep, + int take_slot) +{ + /* The actual parameter is passed in the next available + * floating-point parameter register, if one is + * available. Floating-point parameter registers are allocated + * as needed from the range f8-f15, starting with f8. */ + /* Any register parameters corresponding to a + * variable-argument specification are passed in GRs. */ + if (ctx->flt > 15 || ctx->ppflavor == PARAM_PACK_VARARGS) + /* If all available floating-point parameter registers + * have been used, the actual parameter is passed in + * the appropriate general register(s). */ + return allocate_reg(ctx, proc, info, valuep); + + union { + double d; + float f; + char buf[0]; + } u = { .d = fpreg_to_double(&ctx->regs.fr[ctx->flt++]) }; + if (take_slot) + allocate_reg(ctx, proc, info, NULL); + + if (info->type == ARGTYPE_FLOAT) + u.f = u.d; + else + assert(info->type == ARGTYPE_DOUBLE); + + if (value_reserve(valuep, sizeof(u)) == NULL) + return -1; + memmove(value_get_raw_data(valuep), u.buf, sizeof(u)); + + return 0; +} + +static enum arg_type +get_hfa_type(struct arg_type_info *info, size_t *countp) +{ + size_t n = type_aggregate_size(info); + if (n == (size_t)-1) + return ARGTYPE_VOID; + + enum arg_type type = ARGTYPE_VOID; + *countp = 0; + + while (n-- > 0) { + struct arg_type_info *emt = type_element(info, n); + + enum arg_type emt_type = emt->type; + size_t emt_count = 1; + if (emt_type == ARGTYPE_STRUCT || emt_type == ARGTYPE_ARRAY) + emt_type = get_hfa_type(emt, &emt_count); + + if (type == ARGTYPE_VOID) { + if (emt_type != ARGTYPE_FLOAT + && emt_type != ARGTYPE_DOUBLE) + return ARGTYPE_VOID; + type = emt_type; + } + if (emt_type != type) + return ARGTYPE_VOID; + *countp += emt_count; + } + return type; +} + +static int +allocate_hfa(struct fetch_context *ctx, struct Process *proc, + struct arg_type_info *info, struct value *valuep, + enum arg_type hfa_type, size_t hfa_count) +{ + size_t sz = type_sizeof(proc, info); + if (sz == (size_t)-1) + return -1; + + /* If an actual parameter is known to correspond to an HFA + * formal parameter, each element is passed in the next + * available floating-point argument register, until the eight + * argument registers are exhausted. The remaining elements of + * the aggregate are passed in output GRs, according to the + * normal conventions. + * + * Because HFAs are mapped to parameter slots as aggregates, + * single-precision HFAs will be allocated with two + * floating-point values in each parameter slot, but only one + * value per register. + * + * It is possible for the first of two values in a parameter + * slot to occupy the last available floating- point parameter + * register. In this case, the second value is passed in its + * designated GR, but the half of the GR that would have + * contained the first value is undefined. */ + + size_t slot_off = 0; + + unsigned char *buf = value_reserve(valuep, sz); + if (buf == NULL) + return -1; + + struct arg_type_info *hfa_info = type_get_simple(hfa_type); + size_t hfa_sz = type_sizeof(proc, hfa_info); + + /* Pass in register the part that we can. */ + while (ctx->flt <= 15 && hfa_count > 0) { + struct value tmp; + value_init(&tmp, proc, NULL, hfa_info, 0); + int rc = allocate_float(ctx, proc, hfa_info, &tmp, 0); + if (rc >= 0) { + memcpy(buf, value_get_data(&tmp, NULL), hfa_sz); + slot_off += hfa_sz; + buf += hfa_sz; + hfa_count--; + + /* Scratch each fully used slot. */ + while (slot_off >= 8) { + if (allocate_reg(ctx, proc, info, NULL) < 0) + rc = -1; + slot_off -= 8; + } + } + value_destroy(&tmp); + if (rc < 0) + return -1; + } + + /* If we have half-slot opened (the case where odd + * ARGTYPE_FLOAT member fits into the last floating point + * register, and the following even member does not), finish + * it first. */ + struct arg_type_info *long_info = type_get_simple(ARGTYPE_LONG); + if (slot_off != 0 && hfa_count > 0) { + struct value tmp; + value_init(&tmp, proc, NULL, long_info, 0); + int rc = allocate_reg(ctx, proc, long_info, &tmp); + if (rc >= 0) { + unsigned char *data = value_get_data(&tmp, NULL); + memcpy(buf, data, 8 - slot_off); + buf += 8 - slot_off; + hfa_count--; + } + value_destroy(&tmp); + if (rc < 0) { + return -1; + } + } + + /* The rest is passed in registers and on stack. */ + size_t rest = hfa_count * hfa_sz; + return copy_aggregate_part(ctx, proc, buf, rest); +} + +static int +allocate_ret(struct fetch_context *ctx, struct Process *proc, + struct arg_type_info *info, struct value *valuep) +{ + size_t sz = type_sizeof(proc, info); + if (sz == (size_t)-1) + return -1; + + /* Homogeneous floating-point aggregates [...] are returned in + * floating-point registers, provided the array or structure + * contains no more than eight individual values. The + * elements of the aggregate are placed in successive + * floating-point registers, beginning with f8. */ + if (info->type == ARGTYPE_STRUCT || info->type == ARGTYPE_ARRAY) { + size_t hfa_size; + enum arg_type hfa_type = get_hfa_type(info, &hfa_size); + if (hfa_type != ARGTYPE_VOID && hfa_size <= 8) + return allocate_hfa(ctx, proc, info, valuep, + hfa_type, hfa_size); + } + + /* Integers and pointers are passed in r8. 128-bit integers + * are passed in r8 and r9. Aggregates of up to 256 bits [32 + * bytes] are passed in registers r8...r11. */ + if (sz <= 32) { + unsigned char *buf = value_reserve(valuep, sz); + if (buf == NULL) + return -1; + memcpy(buf, ctx->regs.gr + 8, sz); + return 0; + } + + if (value_pass_by_reference(valuep) < 0) + return -1; + value_set_word(valuep, ctx->r8); + return 0; +} + +int +arch_fetch_arg_next(struct fetch_context *ctx, enum tof type, + struct Process *proc, + struct arg_type_info *info, struct value *valuep) +{ + switch (info->type) { + enum arg_type hfa_type; + size_t hfa_size; + + case ARGTYPE_VOID: + value_set_word(valuep, 0); + return 0; + + case ARGTYPE_FLOAT: + case ARGTYPE_DOUBLE: + return allocate_float(ctx, proc, info, valuep, 1); + + case ARGTYPE_STRUCT: + hfa_type = get_hfa_type(info, &hfa_size); + if (hfa_type != ARGTYPE_VOID) + return allocate_hfa(ctx, proc, info, valuep, + hfa_type, hfa_size); + /* Fall through. */ + case ARGTYPE_CHAR: + case ARGTYPE_SHORT: + case ARGTYPE_USHORT: + case ARGTYPE_INT: + case ARGTYPE_UINT: + case ARGTYPE_LONG: + case ARGTYPE_ULONG: + case ARGTYPE_POINTER: + return allocate_arg(ctx, proc, info, valuep); + + case ARGTYPE_ARRAY: + /* Arrays decay into pointers. XXX Fortran? */ + default: + assert(info->type != info->type); + abort(); + } +} + +int +arch_fetch_retval(struct fetch_context *ctx, enum tof type, + struct Process *proc, struct arg_type_info *info, + struct value *valuep) +{ + if (fetch_context_init(proc, ctx) < 0) + return -1; + + switch (info->type) { + case ARGTYPE_VOID: + case ARGTYPE_FLOAT: + case ARGTYPE_DOUBLE: + /* The rules for returning those types are the same as + * for passing them in arguments. */ + return arch_fetch_arg_next(ctx, type, proc, info, valuep); + + case ARGTYPE_CHAR: + case ARGTYPE_SHORT: + case ARGTYPE_USHORT: + case ARGTYPE_INT: + case ARGTYPE_UINT: + case ARGTYPE_LONG: + case ARGTYPE_ULONG: + case ARGTYPE_POINTER: + case ARGTYPE_STRUCT: + return allocate_ret(ctx, proc, info, valuep); + + case ARGTYPE_ARRAY: + /* Arrays decay into pointers. XXX Fortran? */ + assert(info->type != ARGTYPE_ARRAY); + abort(); + } + assert("unhandled type"); + abort(); + return arch_fetch_arg_next(ctx, type, proc, info, valuep); +} + +void +arch_fetch_arg_done(struct fetch_context *context) +{ + free(context); +} + +int +arch_fetch_param_pack_start(struct fetch_context *context, + enum param_pack_flavor ppflavor) +{ + context->ppflavor = ppflavor; + return 0; +} + +void +arch_fetch_param_pack_end(struct fetch_context *context) +{ + context->ppflavor = PARAM_PACK_ARGS; +} diff --git a/sysdeps/linux-gnu/ia64/plt.c b/sysdeps/linux-gnu/ia64/plt.c index 7fd451b..a29488f 100644 --- a/sysdeps/linux-gnu/ia64/plt.c +++ b/sysdeps/linux-gnu/ia64/plt.c @@ -1,29 +1,56 @@ -#include -#include "common.h" - -/* A bundle is 128 bits */ -#define BUNDLE_SIZE 16 - /* + * This file is part of ltrace. + * Copyright (C) 2012 Petr Machata, Red Hat Inc. + * Copyright (C) 2008,2009 Juan Cespedes + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ - The PLT has - - ] 3 bundles as a header - - ] The special reserved entry +#include +#include +#include +#include +#include - ] Following that, each PLT entry has it's initial code that the GOT entry - points to. Each PLT entry has one bundle allocated. +#include "proc.h" +#include "common.h" +#include "library.h" - ] Following that, each PLT entry has two bundles of actual PLT code, - i.e. load up the address from the GOT and jump to it. This is the - point we want to insert the breakpoint, as this will be captured - every time we jump to the PLT entry in the code. +/* A bundle is 128 bits. */ +#define BUNDLE_SIZE 16 -*/ +/* The PLT has + * + * - 3 bundles as a header + * + * - The special reserved entry + * + * - Following that, each PLT entry has it's initial code that the GOT + * entry points to. Each PLT entry has one bundle allocated. + * + * - Following that, each PLT entry has two bundles of actual PLT + * code, i.e. load up the address from the GOT and jump to it. This + * is the point we want to insert the breakpoint, as this will be + * captured every time we jump to the PLT entry in the code. + */ GElf_Addr -arch_plt_sym_val(struct ltelf *lte, size_t ndx, GElf_Rela * rela) { +arch_plt_sym_val(struct ltelf *lte, size_t ndx, GElf_Rela * rela) +{ /* Find number of entires by removing header and special * entry, dividing total size by three, since each PLT entry * will have 3 bundles (1 for inital entry and two for the PLT @@ -35,7 +62,7 @@ arch_plt_sym_val(struct ltelf *lte, size_t ndx, GElf_Rela * rela) { unsigned long addr = lte->plt_addr + (4 * BUNDLE_SIZE) + (BUNDLE_SIZE * entries) + (2 * ndx * BUNDLE_SIZE); - debug(3, "Found PLT %d entry at %lx\n", ndx, addr); + debug(3, "Found PLT %zd entry at %lx", ndx, addr); return addr; } @@ -44,3 +71,29 @@ void * sym2addr(Process *proc, struct library_symbol *sym) { return sym->enter_addr; } + +int +arch_translate_address_dyn(struct Process *proc, + arch_addr_t addr, arch_addr_t *ret) +{ + errno = 0; + unsigned long l = ptrace(PTRACE_PEEKTEXT, proc->pid, addr, 0); + if (l == -1UL && errno) { + fprintf(stderr, "dynamic .opd translation of %p: %s\n", + addr, strerror(errno)); + return -1; + } + + /* XXX The double cast should be removed when + * arch_addr_t becomes integral type. */ + *ret = (arch_addr_t)(uintptr_t)l; + return 0; +} + +int +arch_translate_address(struct ltelf *lte, + arch_addr_t addr, arch_addr_t *ret) +{ + *ret = addr; + return 0; +} diff --git a/sysdeps/linux-gnu/ia64/ptrace.h b/sysdeps/linux-gnu/ia64/ptrace.h index c3cbcb6..ef63b4f 100644 --- a/sysdeps/linux-gnu/ia64/ptrace.h +++ b/sysdeps/linux-gnu/ia64/ptrace.h @@ -1 +1,21 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include diff --git a/sysdeps/linux-gnu/ia64/regs.c b/sysdeps/linux-gnu/ia64/regs.c index d161d34..cbc2744 100644 --- a/sysdeps/linux-gnu/ia64/regs.c +++ b/sysdeps/linux-gnu/ia64/regs.c @@ -1,13 +1,36 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011,2012 Petr Machata, Red Hat Inc. + * Copyright (C) 2008,2009 Juan Cespedes + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include "config.h" #include #include +#include #include #include #include -#include "debug.h" +#include "proc.h" #include "common.h" void * @@ -37,12 +60,18 @@ set_instruction_pointer(Process *proc, void *addr) { void * get_stack_pointer(Process *proc) { - return (void *)ptrace(PTRACE_PEEKUSER, proc->pid, PT_R12, 0); + long l = ptrace(PTRACE_PEEKUSER, proc->pid, PT_R12, 0); + if (l == -1 && errno) + return NULL; + return (void *)l; } void * get_return_addr(Process *proc, void *stack_pointer) { - return (void *)ptrace(PTRACE_PEEKUSER, proc->pid, PT_B0, 0); + long l = ptrace(PTRACE_PEEKUSER, proc->pid, PT_B0, 0); + if (l == -1 && errno) + return NULL; + return (void *)l; } void diff --git a/sysdeps/linux-gnu/ia64/signalent.h b/sysdeps/linux-gnu/ia64/signalent.h index 5395f82..31699db 100644 --- a/sysdeps/linux-gnu/ia64/signalent.h +++ b/sysdeps/linux-gnu/ia64/signalent.h @@ -1,3 +1,23 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + "SIG_0", /* 0 */ "SIGHUP", /* 1 */ "SIGINT", /* 2 */ diff --git a/sysdeps/linux-gnu/ia64/syscallent.h b/sysdeps/linux-gnu/ia64/syscallent.h index 9bb4fb8..094cea2 100644 --- a/sysdeps/linux-gnu/ia64/syscallent.h +++ b/sysdeps/linux-gnu/ia64/syscallent.h @@ -1,3 +1,23 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + "0", /* 0 */ "1", /* 1 */ "2", /* 2 */ diff --git a/sysdeps/linux-gnu/ia64/trace.c b/sysdeps/linux-gnu/ia64/trace.c index 799e0ff..e608275 100644 --- a/sysdeps/linux-gnu/ia64/trace.c +++ b/sysdeps/linux-gnu/ia64/trace.c @@ -1,3 +1,25 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2008,2009 Juan Cespedes + * Copyright (C) 2006 Steve Fink + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include "config.h" #include @@ -9,8 +31,11 @@ #include #include #include +#include +#include "proc.h" #include "common.h" +#include "type.h" /* What we think of as a bundle, ptrace thinks of it as two unsigned * longs */ @@ -48,9 +73,10 @@ int syscall_p(Process *proc, int status, int *sysnum) { if (WIFSTOPPED(status) && WSTOPSIG(status) == (SIGTRAP | proc->tracesysgood)) { - unsigned long slot = - (ptrace(PTRACE_PEEKUSER, proc->pid, PT_CR_IPSR, 0) >> 41) & - 0x3; + long l = ptrace(PTRACE_PEEKUSER, proc->pid, PT_CR_IPSR, 0); + if (l == -1 && errno) + return -1; + unsigned long slot = ((unsigned long)l >> 41) & 0x3; unsigned long ip = ptrace(PTRACE_PEEKUSER, proc->pid, PT_CR_IIP, 0); @@ -114,155 +140,6 @@ syscall_p(Process *proc, int status, int *sysnum) { return 0; } -/* Stolen from David Mosberger's utrace tool, which he released under - the GPL - (http://www.gelato.unsw.edu.au/archives/linux-ia64/0104/1405.html) */ -static inline double -fpreg_to_double (struct ia64_fpreg *fp) { - double result; - - asm ("ldf.fill %0=%1" : "=f"(result) : "m"(*fp)); - return result; -} - -static long -gimme_long_arg(enum tof type, Process *proc, int arg_num) { - union cfm_t cfm; - unsigned long bsp; - - bsp = ptrace(PTRACE_PEEKUSER, proc->pid, PT_AR_BSP, 0); - cfm.value = ptrace(PTRACE_PEEKUSER, proc->pid, PT_CFM, 0); - - if (arg_num == -1) /* return value */ - return ptrace(PTRACE_PEEKUSER, proc->pid, PT_R8, 0); - - /* First 8 arguments are passed in registers on the register - * stack, the following arguments are passed on the stack - * after a 16 byte scratch area - * - * If the function has returned, the ia64 register window has - * been reverted to the caller's configuration. So although in - * the callee, the first parameter is in R32, in the caller - * the first parameter comes in the registers after the local - * registers (really, input parameters plus locals, but the - * hardware doesn't track the distinction.) So we have to add - * in the size of the local area (sol) to find the first - * parameter passed to the callee. */ - if (type == LT_TOF_FUNCTION || type == LT_TOF_FUNCTIONR) { - if (arg_num < 8) { - if (type == LT_TOF_FUNCTIONR) - arg_num += cfm.cfm.sol; - - return ptrace(PTRACE_PEEKDATA, proc->pid, - (long)ia64_rse_skip_regs((unsigned long *)bsp, - -cfm.cfm.sof + arg_num), - 0); - } else { - unsigned long sp = - ptrace(PTRACE_PEEKUSER, proc->pid, PT_R12, 0) + 16; - return ptrace(PTRACE_PEEKDATA, proc->pid, - sp + (8 * (arg_num - 8))); - } - } - - if (type == LT_TOF_SYSCALL || LT_TOF_SYSCALLR) - return ptrace(PTRACE_PEEKDATA, proc->pid, - (long)ia64_rse_skip_regs((unsigned long *)bsp, arg_num), - 0); - - /* error if we get here */ - fprintf(stderr, "gimme_arg called with wrong arguments\n"); - exit(1); -} - -static long float_regs[8] = { PT_F8, PT_F9, PT_F10, PT_F11, - PT_F12, PT_F13, PT_F14, PT_F15 }; -static double -gimme_float_arg(enum tof type, Process *proc, int arg_num) { - union cfm_t cfm; - unsigned long bsp; - struct ia64_fpreg reg; - - if (arg_num == -1) { /* return value */ - reg.u.bits[0] = ptrace(PTRACE_PEEKUSER, proc->pid, - PT_F8, 0); - reg.u.bits[1] = ptrace(PTRACE_PEEKUSER, proc->pid, - PT_F8 + 0x8, 0); - return fpreg_to_double(®); - } - - bsp = ptrace(PTRACE_PEEKUSER, proc->pid, PT_AR_BSP, 0); - cfm.value = ptrace(PTRACE_PEEKUSER, proc->pid, PT_CFM, 0); - - /* The first 8 arguments are passed in regular registers - * (counting from R32), unless they are floating point values - * (the case in question here). In that case, up to the first - * 8 regular registers are still "allocated" for each of the - * first 8 parameters, but if a parameter is floating point, - * then the register is left unset and the parameter is passed - * in the first available floating-point register, counting - * from F8. - * - * Take func(int a, float f, int b, double d), for example. - * a - passed in R32 - * f - R33 left unset, value passed in F8 - * b - passed in R34 - * d - R35 left unset, value passed in F9 - * - * ltrace handles this by counting floating point arguments - * while parsing declarations. The "arg_num" in this routine - * (which is only called for floating point values) really - * means which floating point parameter we're looking for, - * ignoring everything else. - * - * Following the first 8 arguments, the remaining arguments - * are passed on the stack after a 16 byte scratch area - */ - if (type == LT_TOF_FUNCTION || type == LT_TOF_FUNCTIONR) { - if (arg_num < 8) { - reg.u.bits[0] = ptrace(PTRACE_PEEKUSER, proc->pid, - float_regs[arg_num], 0); - reg.u.bits[1] = ptrace(PTRACE_PEEKUSER, proc->pid, - float_regs[arg_num] + 0x8, 0); - return fpreg_to_double(®); - } else { - unsigned long sp = - ptrace(PTRACE_PEEKUSER, proc->pid, PT_R12, 0) + 16; - reg.u.bits[0] = ptrace(PTRACE_PEEKDATA, proc->pid, - sp + (8 * (arg_num - 8))); - reg.u.bits[0] = ptrace(PTRACE_PEEKDATA, proc->pid, - sp + (8 * (arg_num - 8)) + 0x8); - return fpreg_to_double(®); - } - } - - /* error if we get here */ - fprintf(stderr, "gimme_arg called with wrong arguments\n"); - exit(1); -} - -long -gimme_arg(enum tof type, Process *proc, int arg_num, arg_type_info *info) { - union { - long l; - float f; - double d; - } cvt; - - if (info->type == ARGTYPE_FLOAT) - cvt.f = gimme_float_arg(type, proc, info->u.float_info.float_index); - else if (info->type == ARGTYPE_DOUBLE) - cvt.d = gimme_float_arg(type, proc, info->u.double_info.float_index); - else - cvt.l = gimme_long_arg(type, proc, arg_num); - - return cvt.l; -} - -void -save_register_args(enum tof type, Process *proc) { -} - void get_arch_dep(Process *proc) { } diff --git a/sysdeps/linux-gnu/m68k/Makefile b/sysdeps/linux-gnu/m68k/Makefile deleted file mode 100644 index 60d7531..0000000 --- a/sysdeps/linux-gnu/m68k/Makefile +++ /dev/null @@ -1,10 +0,0 @@ -OBJ = trace.o regs.o plt.o - -all: arch.o - -arch.o: $(OBJ) - $(CC) -nostdlib -r -o arch.o $(OBJ) - -clean: - $(RM) $(OBJ) arch.o - diff --git a/sysdeps/linux-gnu/m68k/Makefile.am b/sysdeps/linux-gnu/m68k/Makefile.am new file mode 100644 index 0000000..aa63e15 --- /dev/null +++ b/sysdeps/linux-gnu/m68k/Makefile.am @@ -0,0 +1,35 @@ +# This file is part of ltrace. +# Copyright (C) 2010 Marc Kleine-Budde, Pengutronix +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA + +noinst_LTLIBRARIES = \ + ../libcpu.la + +___libcpu_la_SOURCES = \ + plt.c \ + regs.c \ + trace.c \ + fetch.c + +noinst_HEADERS = \ + arch.h \ + ptrace.h \ + signalent.h \ + syscallent.h + +MAINTAINERCLEANFILES = \ + Makefile.in diff --git a/sysdeps/linux-gnu/m68k/Makefile.in b/sysdeps/linux-gnu/m68k/Makefile.in new file mode 100644 index 0000000..45eebd3 --- /dev/null +++ b/sysdeps/linux-gnu/m68k/Makefile.in @@ -0,0 +1,530 @@ +# Makefile.in generated by automake 1.11.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, +# Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# This file is part of ltrace. +# Copyright (C) 2010 Marc Kleine-Budde, Pengutronix +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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maintainer-clean-generic mostlyclean \ + mostlyclean-compile mostlyclean-generic mostlyclean-libtool \ + pdf pdf-am ps ps-am tags uninstall uninstall-am + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/sysdeps/linux-gnu/m68k/arch.h b/sysdeps/linux-gnu/m68k/arch.h index 1790d09..3829901 100644 --- a/sysdeps/linux-gnu/m68k/arch.h +++ b/sysdeps/linux-gnu/m68k/arch.h @@ -1,6 +1,29 @@ +/* + * This file is part of ltrace. + * Copyright (C) 1998,2002,2004 Juan Cespedes + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#define ARCH_HAVE_FETCH_ARG + #define BREAKPOINT_VALUE { 0x4e, 0x4f } #define BREAKPOINT_LENGTH 2 #define DECR_PC_AFTER_BREAK 2 +#define ARCH_ENDIAN_BIG #define LT_ELFCLASS ELFCLASS32 #define LT_ELF_MACHINE EM_68K diff --git a/sysdeps/linux-gnu/m68k/fetch.c b/sysdeps/linux-gnu/m68k/fetch.c new file mode 100644 index 0000000..f6d8a0b --- /dev/null +++ b/sysdeps/linux-gnu/m68k/fetch.c @@ -0,0 +1,239 @@ +/* + * This file is part of ltrace. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see . + */ + +#include "config.h" + +#include +#include +#include +#include +#include +#include + +#include "backend.h" +#include "expr.h" +#include "fetch.h" +#include "proc.h" +#include "ptrace.h" +#include "type.h" +#include "value.h" + +struct fetch_context +{ + elf_gregset_t regs; + elf_fpregset_t fpregs; + + int arg_num; + arch_addr_t stack_pointer; + struct value retval; +}; + +static int +fetch_register_banks(struct Process *proc, struct fetch_context *context, + int floating) +{ + if (ptrace(PTRACE_GETREGS, proc->pid, 0, &context->regs) < 0) + return -1; + + if (floating + && ptrace(PTRACE_GETFPREGS, proc->pid, 0, &context->fpregs) < 0) + return -1; + + return 0; +} + +struct fetch_context * +arch_fetch_arg_init(enum tof type, struct Process *proc, + struct arg_type_info *ret_info) +{ + struct fetch_context *context = malloc(sizeof(*context)); + if (context == NULL) + return NULL; + + assert(type != LT_TOF_FUNCTIONR && type != LT_TOF_SYSCALLR); + if (fetch_register_banks(proc, context, type == LT_TOF_FUNCTION) < 0) { + fail: + free(context); + return NULL; + } + + context->arg_num = 0; + context->stack_pointer = (arch_addr_t)context->regs[PT_USP] + 4; + + size_t sz = type_sizeof(proc, ret_info); + if (sz == (size_t)-1) + goto fail; + + if (ret_info->type == ARGTYPE_STRUCT && !(sz <= 4 || sz == 8)) { + value_init(&context->retval, proc, NULL, ret_info, 0); + + if (value_pass_by_reference(&context->retval) < 0) + goto fail; + value_set_word(&context->retval, context->regs[PT_A1]); + } else { + value_init_detached(&context->retval, NULL, NULL, 0); + } + + return context; +} + +struct fetch_context * +arch_fetch_arg_clone(struct Process *proc, struct fetch_context *context) +{ + struct fetch_context *ret = malloc(sizeof(*ret)); + if (ret == NULL) + return NULL; + *ret = *context; + return ret; +} + +int +arch_fetch_arg_next(struct fetch_context *context, enum tof type, + struct Process *proc, struct arg_type_info *info, + struct value *valuep) +{ + size_t sz = type_sizeof(proc, info); + if (sz == (size_t)-1) + return -1; + + if (type == LT_TOF_SYSCALL) { + int reg; + + switch (context->arg_num++) { + case 0: reg = PT_D1; break; + case 1: reg = PT_D2; break; + case 2: reg = PT_D3; break; + case 3: reg = PT_D4; break; + case 4: reg = PT_D5; break; + case 5: reg = PT_A0; break; + default: + assert(!"More than six syscall arguments???"); + abort(); + } + value_set_word(valuep, context->regs[reg]); + } else { + size_t a = type_alignof(valuep->inferior, valuep->type); + if (a < 4) + a = 4; + context->stack_pointer = (arch_addr_t) + align((unsigned long)context->stack_pointer, a); + if (sz < 4) + context->stack_pointer += 4 - sz; + + value_in_inferior(valuep, context->stack_pointer); + context->stack_pointer += sz; + } + + return 0; +} + +int +arch_fetch_retval(struct fetch_context *context, enum tof type, + struct Process *proc, struct arg_type_info *info, + struct value *valuep) +{ + if (fetch_register_banks(proc, context, type == LT_TOF_FUNCTIONR) < 0) + return -1; + + if (context->retval.type != NULL) { + /* Struct return value was extracted when in fetch + * init. */ + *valuep = context->retval; + return 0; + } + + size_t sz = type_sizeof(proc, info); + if (sz == (size_t)-1) + return -1; + if (value_reserve(valuep, sz) == NULL) + return -1; + + switch (info->type) { + case ARGTYPE_VOID: + return 0; + + case ARGTYPE_INT: + case ARGTYPE_UINT: + case ARGTYPE_LONG: + case ARGTYPE_ULONG: + case ARGTYPE_CHAR: + case ARGTYPE_SHORT: + case ARGTYPE_USHORT: + case ARGTYPE_POINTER: + { + unsigned char *buf = value_get_raw_data(valuep); + int reg = info->type == ARGTYPE_POINTER ? PT_A0 : PT_D0; + unsigned char *val + = (unsigned char *)&context->regs[reg]; + if (sz < 4) val += 4 - sz; + memcpy(buf, val, sz); + } + return 0; + + case ARGTYPE_FLOAT: + case ARGTYPE_DOUBLE: + { + union { + long double ld; + double d; + float f; + char buf[0]; + } u; + + unsigned long *reg = &context->fpregs.fpregs[0]; + memcpy (&u.ld, reg, sizeof (u.ld)); + if (valuep->type->type == ARGTYPE_FLOAT) + u.f = (float)u.ld; + else if (valuep->type->type == ARGTYPE_DOUBLE) + u.d = (double)u.ld; + else { + assert(!"Unexpected floating type!"); + abort(); + } + unsigned char *buf = value_get_raw_data (valuep); + memcpy (buf, u.buf, sz); + } + return 0; + + case ARGTYPE_STRUCT: + { + unsigned char *buf = value_get_raw_data(valuep); + unsigned char *val + = (unsigned char *)&context->regs[PT_D0]; + + assert(sz <= 4 || sz == 8); + if (sz < 4) val += 4 - sz; + memcpy(buf, val, sz <= 4 ? sz : 4); + if (sz == 8) + memcpy(buf + 4, &context->regs[PT_D1], 4); + } + return 0; + + default: + assert(!"Unexpected m68k retval type!"); + abort(); + } + + abort(); +} + +void +arch_fetch_arg_done(struct fetch_context *context) +{ + if (context != NULL) + free(context); +} diff --git a/sysdeps/linux-gnu/m68k/plt.c b/sysdeps/linux-gnu/m68k/plt.c index 508d7fc..c1b37dd 100644 --- a/sysdeps/linux-gnu/m68k/plt.c +++ b/sysdeps/linux-gnu/m68k/plt.c @@ -1,10 +1,32 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2004,2008,2009 Juan Cespedes + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include +#include "proc.h" #include "common.h" +#include "library.h" GElf_Addr arch_plt_sym_val(struct ltelf *lte, size_t ndx, GElf_Rela * rela) { return lte->plt_addr + (ndx + 1) - * ((lte->ehdr.e_flags & EF_CPU32) ? 24 : 12); + * ((lte->ehdr.e_flags & EF_CPU32) ? 24 : 20); } void * diff --git a/sysdeps/linux-gnu/m68k/ptrace.h b/sysdeps/linux-gnu/m68k/ptrace.h index c3cbcb6..ad7e0d6 100644 --- a/sysdeps/linux-gnu/m68k/ptrace.h +++ b/sysdeps/linux-gnu/m68k/ptrace.h @@ -1 +1,21 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2004 Juan Cespedes + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include diff --git a/sysdeps/linux-gnu/m68k/regs.c b/sysdeps/linux-gnu/m68k/regs.c index 959a60e..4afdfbb 100644 --- a/sysdeps/linux-gnu/m68k/regs.c +++ b/sysdeps/linux-gnu/m68k/regs.c @@ -1,9 +1,30 @@ +/* + * This file is part of ltrace. + * Copyright (C) 1998,2002,2004,2008,2009 Juan Cespedes + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include "config.h" #include #include #include +#include "proc.h" #include "common.h" #if (!defined(PTRACE_PEEKUSER) && defined(PTRACE_PEEKUSR)) diff --git a/sysdeps/linux-gnu/m68k/signalent.h b/sysdeps/linux-gnu/m68k/signalent.h index 5395f82..31699db 100644 --- a/sysdeps/linux-gnu/m68k/signalent.h +++ b/sysdeps/linux-gnu/m68k/signalent.h @@ -1,3 +1,23 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + "SIG_0", /* 0 */ "SIGHUP", /* 1 */ "SIGINT", /* 2 */ diff --git a/sysdeps/linux-gnu/m68k/syscallent.h b/sysdeps/linux-gnu/m68k/syscallent.h index 4d65b39..ceafd2e 100644 --- a/sysdeps/linux-gnu/m68k/syscallent.h +++ b/sysdeps/linux-gnu/m68k/syscallent.h @@ -1,4 +1,25 @@ - "0", /* 0 */ +/* + * This file is part of ltrace. + * Copyright (C) 2012 Andreas Schwab + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + + "restart_syscall", /* 0 */ "exit", /* 1 */ "fork", /* 2 */ "read", /* 3 */ @@ -15,7 +36,7 @@ "mknod", /* 14 */ "chmod", /* 15 */ "chown", /* 16 */ - "break", /* 17 */ + "17", /* 17 */ "oldstat", /* 18 */ "lseek", /* 19 */ "getpid", /* 20 */ @@ -29,11 +50,11 @@ "oldfstat", /* 28 */ "pause", /* 29 */ "utime", /* 30 */ - "stty", /* 31 */ - "gtty", /* 32 */ + "31", /* 31 */ + "32", /* 32 */ "access", /* 33 */ "nice", /* 34 */ - "ftime", /* 35 */ + "35", /* 35 */ "sync", /* 36 */ "kill", /* 37 */ "rename", /* 38 */ @@ -42,7 +63,7 @@ "dup", /* 41 */ "pipe", /* 42 */ "times", /* 43 */ - "prof", /* 44 */ + "44", /* 44 */ "brk", /* 45 */ "setgid", /* 46 */ "getgid", /* 47 */ @@ -51,13 +72,13 @@ "getegid", /* 50 */ "acct", /* 51 */ "umount2", /* 52 */ - "lock", /* 53 */ + "53", /* 53 */ "ioctl", /* 54 */ "fcntl", /* 55 */ - "mpx", /* 56 */ + "56", /* 56 */ "setpgid", /* 57 */ - "ulimit", /* 58 */ - "oldolduname", /* 59 */ + "58", /* 58 */ + "59", /* 59 */ "umask", /* 60 */ "chroot", /* 61 */ "ustat", /* 62 */ @@ -96,10 +117,10 @@ "fchown", /* 95 */ "getpriority", /* 96 */ "setpriority", /* 97 */ - "profil", /* 98 */ + "98", /* 98 */ "statfs", /* 99 */ "fstatfs", /* 100 */ - "ioperm", /* 101 */ + "101", /* 101 */ "socketcall", /* 102 */ "syslog", /* 103 */ "setitimer", /* 104 */ @@ -107,7 +128,7 @@ "stat", /* 106 */ "lstat", /* 107 */ "fstat", /* 108 */ - "olduname", /* 109 */ + "109", /* 109 */ "110", /* 110 */ "vhangup", /* 111 */ "112", /* 112 */ @@ -135,7 +156,7 @@ "bdflush", /* 134 */ "sysfs", /* 135 */ "personality", /* 136 */ - "afs_syscall", /* 137 */ + "137", /* 137 */ "setfsuid", /* 138 */ "setfsgid", /* 139 */ "_llseek", /* 140 */ @@ -276,7 +297,72 @@ "mq_notify", /* 275 */ "mq_getsetattr", /* 276 */ "waitid", /* 277 */ - "vserver", /* 278 */ + "278", /* 278 */ "add_key", /* 279 */ "request_key", /* 280 */ "keyctl", /* 281 */ + "ioprio_set", /* 282 */ + "ioprio_get", /* 283 */ + "inotify_init", /* 284 */ + "inotify_add_watch", /* 285 */ + "inotify_rm_watch", /* 286 */ + "migrate_pages", /* 287 */ + "openat", /* 288 */ + "mkdirat", /* 289 */ + "mknodat", /* 290 */ + "fchownat", /* 291 */ + "futimesat", /* 292 */ + "fstatat64", /* 293 */ + "unlinkat", /* 294 */ + "renameat", /* 295 */ + "linkat", /* 296 */ + "symlinkat", /* 297 */ + "readlinkat", /* 298 */ + "fchmodat", /* 299 */ + "faccessat", /* 300 */ + "pselect6", /* 301 */ + "ppoll", /* 302 */ + "unshare", /* 303 */ + "set_robust_list", /* 304 */ + "get_robust_list", /* 305 */ + "splice", /* 306 */ + "sync_file_range", /* 307 */ + "tee", /* 308 */ + "vmsplice", /* 309 */ + "move_pages", /* 310 */ + "sched_setaffinity", /* 311 */ + "sched_getaffinity", /* 312 */ + "kexec_load", /* 313 */ + "getcpu", /* 314 */ + "epoll_pwait", /* 315 */ + "utimensat", /* 316 */ + "signalfd", /* 317 */ + "timerfd_create", /* 318 */ + "eventfd", /* 319 */ + "fallocate", /* 320 */ + "timerfd_settime", /* 321 */ + "timerfd_gettime", /* 322 */ + "signalfd4", /* 323 */ + "eventfd2", /* 324 */ + "epoll_create1", /* 325 */ + "dup3", /* 326 */ + "pipe2", /* 327 */ + "inotify_init1", /* 328 */ + "preadv", /* 329 */ + "pwritev", /* 330 */ + "rt_tgsigqueueinfo", /* 331 */ + "perf_event_open", /* 332 */ + "get_thread_area", /* 333 */ + "set_thread_area", /* 334 */ + "atomic_cmpxchg_32", /* 335 */ + "atomic_barrier", /* 336 */ + "fanotify_init", /* 337 */ + "fanotify_mark", /* 338 */ + "prlimit64", /* 339 */ + "name_to_handle_at", /* 340 */ + "open_by_handle_at", /* 341 */ + "clock_adjtime", /* 342 */ + "syncfs", /* 343 */ + "setns", /* 344 */ + "process_vm_readv", /* 345 */ + "process_vm_writev", /* 346 */ diff --git a/sysdeps/linux-gnu/m68k/trace.c b/sysdeps/linux-gnu/m68k/trace.c index 2f89fdf..311ffd5 100644 --- a/sysdeps/linux-gnu/m68k/trace.c +++ b/sysdeps/linux-gnu/m68k/trace.c @@ -1,3 +1,25 @@ +/* + * This file is part of ltrace. + * Copyright (C) 1998,2001,2004,2008,2009 Juan Cespedes + * Copyright (C) 2009 Juan Cespedes + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include "config.h" #include @@ -6,6 +28,7 @@ #include #include +#include "proc.h" #include "common.h" #if (!defined(PTRACE_PEEKUSER) && defined(PTRACE_PEEKUSR)) @@ -44,46 +67,3 @@ syscall_p(Process *proc, int status, int *sysnum) { } return 0; } - -long -gimme_arg(enum tof type, Process *proc, int arg_num, arg_type_info *info) { - if (arg_num == -1) { /* return value */ - return ptrace(PTRACE_PEEKUSER, proc->pid, 4 * PT_D0, 0); - } - - if (type == LT_TOF_FUNCTION || type == LT_TOF_FUNCTIONR) { - return ptrace(PTRACE_PEEKTEXT, proc->pid, - proc->stack_pointer + 4 * (arg_num + 1), 0); - } else if (type == LT_TOF_SYSCALL || type == LT_TOF_SYSCALLR) { -#if 0 - switch (arg_num) { - case 0: - return ptrace(PTRACE_PEEKUSER, proc->pid, 4 * PT_D1, 0); - case 1: - return ptrace(PTRACE_PEEKUSER, proc->pid, 4 * PT_D2, 0); - case 2: - return ptrace(PTRACE_PEEKUSER, proc->pid, 4 * PT_D3, 0); - case 3: - return ptrace(PTRACE_PEEKUSER, proc->pid, 4 * PT_D4, 0); - case 4: - return ptrace(PTRACE_PEEKUSER, proc->pid, 4 * PT_D5, 0); - default: - fprintf(stderr, - "gimme_arg called with wrong arguments\n"); - exit(2); - } -#else - /* That hack works on m68k, too */ - return ptrace(PTRACE_PEEKUSER, proc->pid, 4 * arg_num, 0); -#endif - } else { - fprintf(stderr, "gimme_arg called with wrong arguments\n"); - exit(1); - } - - return 0; -} - -void -save_register_args(enum tof type, Process *proc) { -} diff --git a/sysdeps/linux-gnu/mipsel/Doxyfile b/sysdeps/linux-gnu/mipsel/Doxyfile index b4f5eb2..165f929 100644 --- a/sysdeps/linux-gnu/mipsel/Doxyfile +++ b/sysdeps/linux-gnu/mipsel/Doxyfile @@ -1,3 +1,21 @@ +# This file is part of ltrace. +# Copyright (C) 2006 Eric Vaitl, Cisco Systems, Inc. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA + # Doxyfile 1.5.1 #--------------------------------------------------------------------------- diff --git a/sysdeps/linux-gnu/mipsel/Makefile b/sysdeps/linux-gnu/mipsel/Makefile deleted file mode 100644 index 44f4aae..0000000 --- a/sysdeps/linux-gnu/mipsel/Makefile +++ /dev/null @@ -1,22 +0,0 @@ -.PHONY: all deps clean docs - -OBJ = trace.o regs.o plt.o -SRC=$(OBJ:.o=.c) - -all: arch.o - -deps: - $(CC) $(CFLAGS) $(CPPFLAGS) -M $(SRC) > .depends - -arch.o: $(OBJ) arch.h - $(CC) -nostdlib -r -o arch.o $(OBJ) - -clean: - -rm -f $(OBJ) arch.o - -rm -rf html - -docs: - doxygen - - --include .depends diff --git a/sysdeps/linux-gnu/mipsel/Makefile.am b/sysdeps/linux-gnu/mipsel/Makefile.am new file mode 100644 index 0000000..9cf8f19 --- /dev/null +++ b/sysdeps/linux-gnu/mipsel/Makefile.am @@ -0,0 +1,38 @@ +# This file is part of ltrace. +# Copyright (C) 2010 Marc Kleine-Budde, Pengutronix +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA + +noinst_LTLIBRARIES = \ + ../libcpu.la + +___libcpu_la_SOURCES = \ + plt.c \ + regs.c \ + trace.c + +noinst_HEADERS = \ + arch.h \ + mipsel.h \ + ptrace.h \ + signalent.h \ + syscallent.h + +EXTRA_DIST = \ + Doxyfile + +MAINTAINERCLEANFILES = \ + Makefile.in diff --git a/sysdeps/linux-gnu/mipsel/Makefile.in b/sysdeps/linux-gnu/mipsel/Makefile.in new file mode 100644 index 0000000..f0a1b06 --- /dev/null +++ b/sysdeps/linux-gnu/mipsel/Makefile.in @@ -0,0 +1,532 @@ +# Makefile.in generated by automake 1.11.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, +# Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# This file is part of ltrace. +# Copyright (C) 2010 Marc Kleine-Budde, Pengutronix +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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mostlyclean-compile mostlyclean-generic mostlyclean-libtool \ + pdf pdf-am ps ps-am tags uninstall uninstall-am + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/sysdeps/linux-gnu/mipsel/arch.h b/sysdeps/linux-gnu/mipsel/arch.h index dd0ca35..684b546 100644 --- a/sysdeps/linux-gnu/mipsel/arch.h +++ b/sysdeps/linux-gnu/mipsel/arch.h @@ -1,9 +1,67 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2006 Eric Vaitl + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#ifndef LTRACE_MIPS_ARCH_H +#define LTRACE_MIPS_ARCH_H + +#include +#include + #define BREAKPOINT_VALUE { 0x0d, 0x00, 0x00, 0x00 } #define BREAKPOINT_LENGTH 4 #define DECR_PC_AFTER_BREAK 0 +#define ARCH_ENDIAN_LITTLE #define LT_ELFCLASS ELFCLASS32 #define LT_ELF_MACHINE EM_MIPS -#define PLTs_INIT_BY_HERE "_start" -#define E_ENTRY_NAME "_start" +#define ARCH_HAVE_LTELF_DATA +struct arch_ltelf_data { + size_t pltgot_addr; + size_t mips_local_gotno; + size_t mips_gotsym; +}; + +#define ARCH_HAVE_FIND_DL_DEBUG +#define ARCH_HAVE_GET_SYMINFO +#define ARCH_HAVE_DYNLINK_DONE +#define ARCH_HAVE_ADD_PLT_ENTRY +#define ARCH_HAVE_ATOMIC_SINGLESTEP +#define ARCH_HAVE_SYMBOL_RET + +#define ARCH_HAVE_LIBRARY_SYMBOL_DATA +enum mips_plt_type +{ + MIPS_PLT_UNRESOLVED, + MIPS_PLT_RESOLVED, +}; + +struct arch_library_symbol_data { + enum mips_plt_type type; + GElf_Addr resolved_addr; + GElf_Addr stub_addr; + + /* Set for FUNCs that have GOT entries but not PLT entries. */ + int gotonly : 1; + /* Set for FUNCs that have PLT entries that are always used. */ + int pltalways : 1; +}; + +#endif /* LTRACE_MIPS_ARCH_H */ diff --git a/sysdeps/linux-gnu/mipsel/mipsel.h b/sysdeps/linux-gnu/mipsel/mipsel.h index a63cafd..a2dbda2 100644 --- a/sysdeps/linux-gnu/mipsel/mipsel.h +++ b/sysdeps/linux-gnu/mipsel/mipsel.h @@ -1,11 +1,33 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2010 Arnaud Patard, Mandriva SA + * Copyright (C) 2006 Eric Vaitl, Cisco Systems, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #ifndef MIPSEL_h #define MIPSEL_h -// linux-2.4.30/arch/mips/kernel/ptrace.c for these offsets. +// asm/ptrace.h for these offsets. #define off_v0 2 #define off_pc 64 #define off_a0 4 #define off_a3 7 #define off_lr 31 +#define off_fpr0 32 #define off_sp 29 #endif // MIPSEL_h diff --git a/sysdeps/linux-gnu/mipsel/plt.c b/sysdeps/linux-gnu/mipsel/plt.c index 003171b..b277fbc 100644 --- a/sysdeps/linux-gnu/mipsel/plt.c +++ b/sysdeps/linux-gnu/mipsel/plt.c @@ -1,13 +1,51 @@ -#include +/* + * This file is part of ltrace. + * Copyright (C) 2012 Edgar E. Iglesias, Axis Communications + * Copyright (C) 2012 Petr Machata, Red Hat Inc. + * Copyright (C) 2008,2009 Juan Cespedes + * Copyright (C) 2006 Eric Vaitl, Cisco Systems, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include +#include +#include #include #include + #include "common.h" +#include "debug.h" +#include "proc.h" +#include "library.h" +#include "breakpoint.h" +#include "backend.h" /** \addtogroup mipsel @{ */ +/* Are we in pure CPIC mode (the non-PIC ABI extension)? */ +static inline int +mips_elf_is_cpic(unsigned int elf_flags) +{ + return (elf_flags & (EF_MIPS_PIC | EF_MIPS_CPIC)) == EF_MIPS_CPIC; +} + /** \param lte Structure containing link table entry information \param ndx Index into .dynsym @@ -32,10 +70,19 @@ */ GElf_Addr -arch_plt_sym_val(struct ltelf *lte, size_t ndx, GElf_Rela * rela) { - debug(1,"plt_addr %x ndx %#x",lte->pltgot_addr, ndx); - return lte->pltgot_addr + - sizeof(void *) * (lte->mips_local_gotno + (ndx - lte->mips_gotsym)); +arch_plt_sym_val(struct ltelf *lte, size_t ndx, GElf_Rela *rela) +{ + debug(1,"plt_addr %zx ndx %#zx",lte->arch.pltgot_addr, ndx); + + if (mips_elf_is_cpic(lte->ehdr.e_flags)) { + /* Return a pointer into the PLT. */ + return lte->plt_addr + 16 * 2 + (ndx * 16); + } + + /* Return a pointer to a GOT entry. */ + return lte->arch.pltgot_addr + + sizeof(void *) * (lte->arch.mips_local_gotno + + (ndx - lte->arch.mips_gotsym)); } /** \param proc The process to work on. @@ -59,6 +106,12 @@ arch_plt_sym_val(struct ltelf *lte, size_t ndx, GElf_Rela * rela) { void * sym2addr(Process *proc, struct library_symbol *sym) { long ret; + + if (sym->arch.pltalways + || (!sym->arch.gotonly && sym->plt_type == LS_TOPLT_NONE)) { + return sym->enter_addr; + } + if(!proc->pid){ return 0; } @@ -69,4 +122,304 @@ sym2addr(Process *proc, struct library_symbol *sym) { return (void *)ret;; } +/* Address of run time loader map, used for debugging. */ +#define DT_MIPS_RLD_MAP 0x70000016 +int +arch_find_dl_debug(struct Process *proc, arch_addr_t dyn_addr, + arch_addr_t *ret) +{ + arch_addr_t rld_addr; + int r; + + /* MIPS puts the address of the r_debug structure into the + * DT_MIPS_RLD_MAP entry instead of into the DT_DEBUG entry. */ + r = proc_find_dynamic_entry_addr(proc, dyn_addr, + DT_MIPS_RLD_MAP, &rld_addr); + if (r == 0) { + if (umovebytes(proc, rld_addr, + ret, sizeof *ret) != sizeof *ret) { + r = -1; + } + } + return r; +} + + +/* + * MIPS doesn't have traditional got.plt entries with corresponding + * relocations. + * + * sym_index is an offset into the external GOT entries. Filter out + * stuff that are not functions. + */ +int +arch_get_sym_info(struct ltelf *lte, const char *filename, + size_t sym_index, GElf_Rela *rela, GElf_Sym *sym) +{ + const char *name; + + if (mips_elf_is_cpic(lte->ehdr.e_flags)) { + return elf_get_sym_info(lte, filename, sym_index, rela, sym); + } + + /* Fixup the offset. */ + sym_index += lte->arch.mips_gotsym; + + if (gelf_getsym(lte->dynsym, sym_index, sym) == NULL){ + error(EXIT_FAILURE, 0, + "Couldn't get relocation from \"%s\"", filename); + } + + name = lte->dynstr + sym->st_name; + if (ELF64_ST_TYPE(sym->st_info) != STT_FUNC) { + debug(2, "sym %s not a function", name); + return -1; + } + + return 0; +} + +/** + MIPS ABI Supplement: + + DT_PLTGOT This member holds the address of the .got section. + + DT_MIPS_SYMTABNO This member holds the number of entries in the + .dynsym section. + + DT_MIPS_LOCAL_GOTNO This member holds the number of local global + offset table entries. + + DT_MIPS_GOTSYM This member holds the index of the first dyamic + symbol table entry that corresponds to an entry in the gobal offset + table. + + */ +int +arch_elf_init(struct ltelf *lte, struct library *lib) +{ + Elf_Scn *scn; + GElf_Shdr shdr; + + /* FIXME: for CPIC we should really scan both GOT tables + * to pick up relocations to external functions. Right now + * function pointers from the main binary to external functions + * can't be traced in CPIC mode. */ + if (mips_elf_is_cpic(lte->ehdr.e_flags)) { + return 0; /* We are already done. */ + } + + if (elf_get_section_type(lte, SHT_DYNAMIC, &scn, &shdr) < 0 + || scn == NULL) { + fail: + error(0, 0, "Couldn't get SHT_DYNAMIC: %s", + elf_errmsg(-1)); + return -1; + } + + Elf_Data *data = elf_loaddata(scn, &shdr); + if (data == NULL) + goto fail; + + size_t j; + for (j = 0; j < shdr.sh_size / shdr.sh_entsize; ++j) { + GElf_Dyn dyn; + if (gelf_getdyn(data, j, &dyn) == NULL) + goto fail; + + if(dyn.d_tag == DT_PLTGOT) { + lte->arch.pltgot_addr = dyn.d_un.d_ptr; + } + if(dyn.d_tag == DT_MIPS_LOCAL_GOTNO){ + lte->arch.mips_local_gotno = dyn.d_un.d_val; + } + if(dyn.d_tag == DT_MIPS_GOTSYM){ + lte->arch.mips_gotsym = dyn.d_un.d_val; + } + } + + /* Tell the generic code how many dynamic trace:able symbols + * we've got. */ + lte->relplt_count = lte->dynsym_count - lte->arch.mips_gotsym; + return 0; +} + +void +arch_elf_destroy(struct ltelf *lte) +{ +} + +/* When functions return we check if the symbol needs an updated + breakpoint with the resolved address. */ +void arch_symbol_ret(struct Process *proc, struct library_symbol *libsym) +{ + struct breakpoint *bp; + arch_addr_t resolved_addr; + struct Process *leader = proc->leader; + + /* Only deal with unresolved symbols. */ + if (libsym->arch.type != MIPS_PLT_UNRESOLVED) + return; + + /* Get out if we are always using the PLT. */ + if (libsym->arch.pltalways) + return; + + resolved_addr = sym2addr(proc, libsym); + libsym->arch.resolved_addr = (uintptr_t) resolved_addr; + libsym->arch.type = MIPS_PLT_RESOLVED; + + if (libsym->arch.stub_addr == libsym->arch.resolved_addr) { + /* Prelinked symbol. No need to add new breakpoint. */ + return; + } + + bp = malloc(sizeof (*bp)); + if (bp == NULL) { + fprintf(stderr, "Failed to allocate bp for %s\n", + libsym->name); + return; + } + + if (breakpoint_init(bp, leader, resolved_addr, libsym) < 0) + goto err; + + if (proc_add_breakpoint(leader, bp) < 0) { + breakpoint_destroy(bp); + goto err; + } + + if (breakpoint_turn_on(bp, leader) < 0) { + proc_remove_breakpoint(leader, bp); + breakpoint_destroy(bp); + goto err; + } + return; +err: + free(bp); +} + +static enum callback_status +cb_enable_breakpoint_sym(struct library_symbol *libsym, void *data) +{ + struct Process *proc = data; + arch_addr_t bp_addr; + + if (!libsym->arch.gotonly) + return CBS_CONT; + + /* Update state. */ + bp_addr = sym2addr(proc, libsym); + /* XXX The cast to uintptr_t should be removed when + * arch_addr_t becomes integral type. keywords: double cast. */ + libsym->arch.resolved_addr = (uintptr_t) bp_addr; + + if (libsym->arch.resolved_addr == 0) + /* FIXME: What does this mean? */ + return CBS_CONT; + + libsym->arch.type = MIPS_PLT_RESOLVED; + + /* Now, activate the symbol causing a breakpoint to be added. */ + if (proc_activate_delayed_symbol(proc, libsym) < 0) { + fprintf(stderr, "Failed to activate delayed sym %s\n", + libsym->name); + } + return CBS_CONT; +} + +static enum callback_status +cb_enable_breakpoint_lib(struct Process *proc, struct library *lib, void *data) +{ + library_each_symbol(lib, NULL, cb_enable_breakpoint_sym, proc); + return CBS_CONT; +} + +void arch_dynlink_done(struct Process *proc) +{ + proc_each_library(proc->leader, NULL, cb_enable_breakpoint_lib, NULL); +} + +enum plt_status +arch_elf_add_plt_entry(struct Process *proc, struct ltelf *lte, + const char *a_name, GElf_Rela *rela, size_t ndx, + struct library_symbol **ret) +{ + char *name = NULL; + int sym_index = ndx + lte->arch.mips_gotsym; + + struct library_symbol *libsym = malloc(sizeof(*libsym)); + if (libsym == NULL) + return plt_fail; + + GElf_Addr addr = arch_plt_sym_val(lte, sym_index, 0); + + name = strdup(a_name); + if (name == NULL) { + fprintf(stderr, "%s: failed %s(%#llx): %s\n", __func__, + name, addr, strerror(errno)); + goto fail; + } + + /* XXX The double cast should be removed when + * arch_addr_t becomes integral type. */ + if (library_symbol_init(libsym, + (arch_addr_t) (uintptr_t) addr, + name, 1, LS_TOPLT_EXEC) < 0) { + fprintf(stderr, "%s: failed %s : %llx\n", __func__, name, addr); + goto fail; + } + + arch_addr_t bp_addr = sym2addr(proc, libsym); + /* XXX This cast should be removed when + * arch_addr_t becomes integral type. keywords: double cast. */ + libsym->arch.stub_addr = (uintptr_t) bp_addr; + + if (bp_addr == 0) { + /* Function pointers without PLT entries. */ + libsym->plt_type = LS_TOPLT_NONE; + libsym->arch.gotonly = 1; + libsym->arch.type = MIPS_PLT_UNRESOLVED; + + /* Delay breakpoint activation until the symbol gets + * resolved. */ + libsym->delayed = 1; + } else if (mips_elf_is_cpic(lte->ehdr.e_flags)) { + libsym->arch.pltalways = 1; + } + + *ret = libsym; + return plt_ok; + +fail: + free(name); + free(libsym); + return plt_fail; +} + +int +arch_library_symbol_init(struct library_symbol *libsym) +{ + libsym->arch.pltalways = 0; + libsym->arch.gotonly = 0; + libsym->arch.type = MIPS_PLT_UNRESOLVED; + if (libsym->plt_type == LS_TOPLT_NONE) { + libsym->arch.type = MIPS_PLT_RESOLVED; + } + return 0; +} + +void +arch_library_symbol_destroy(struct library_symbol *libsym) +{ +} + +int +arch_library_symbol_clone(struct library_symbol *retp, + struct library_symbol *libsym) +{ + retp->arch = libsym->arch; + return 0; +} + /**@}*/ diff --git a/sysdeps/linux-gnu/mipsel/ptrace.h b/sysdeps/linux-gnu/mipsel/ptrace.h index c3cbcb6..00c8673 100644 --- a/sysdeps/linux-gnu/mipsel/ptrace.h +++ b/sysdeps/linux-gnu/mipsel/ptrace.h @@ -1 +1,21 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2006 Eric Vaitl, Cisco Systems, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include diff --git a/sysdeps/linux-gnu/mipsel/regs.c b/sysdeps/linux-gnu/mipsel/regs.c index a7a6de1..8731ac5 100644 --- a/sysdeps/linux-gnu/mipsel/regs.c +++ b/sysdeps/linux-gnu/mipsel/regs.c @@ -1,11 +1,32 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2008,2009 Juan Cespedes + * Copyright (C) 2006 Eric Vaitl, Cisco Systems, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include "config.h" #include #include #include #include -#include +#include "proc.h" #include "common.h" #include "mipsel.h" diff --git a/sysdeps/linux-gnu/mipsel/signalent.h b/sysdeps/linux-gnu/mipsel/signalent.h index 6bb1ff6..d779af5 100644 --- a/sysdeps/linux-gnu/mipsel/signalent.h +++ b/sysdeps/linux-gnu/mipsel/signalent.h @@ -1,32 +1,52 @@ -"SIG_0", /* 0 */ - "SIGHUP", // 1 /* Hangup (POSIX). */ - "SIGINT", // 2 /* Interrupt (ANSI). */ - "SIGQUIT", // 3 /* Quit (POSIX). */ - "SIGILL", // 4 /* Illegal instruction (ANSI). */ - "SIGTRAP", // 5 /* Trace trap (POSIX). */ - "SIGIOT", // 6 /* IOT trap (4.2 BSD). */ - "SIGEMT", // 7 - "SIGFPE", // 8 /* Floating-point exception (ANSI). */ - "SIGKILL", // 9 /* Kill, unblockable (POSIX). */ - "SIGBUS", // 10 /* BUS error (4.2 BSD). */ - "SIGSEGV", // 11 /* Segmentation violation (ANSI). */ - "SIGSYS", // 12 - "SIGPIPE", // 13 /* Broken pipe (POSIX). */ - "SIGALRM", // 14 /* Alarm clock (POSIX). */ - "SIGTERM", // 15 /* Termination (ANSI). */ - "SIGUSR1", // 16 /* User-defined signal 1 (POSIX). */ - "SIGUSR2", // 17 /* User-defined signal 2 (POSIX). */ - "SIGCHLD", // 18 /* Child status has changed (POSIX). */ - "SIGPWR", // 19 /* Power failure restart (System V). */ - "SIGWINCH", // 20 /* Window size change (4.3 BSD, Sun). */ - "SIGURG", // 21 /* Urgent condition on socket (4.2 BSD). */ - "SIGIO", // 22 /* I/O now possible (4.2 BSD). */ - "SIGSTOP", // 23 /* Stop, unblockable (POSIX). */ - "SIGTSTP", // 24 /* Keyboard stop (POSIX). */ - "SIGCONT", // 25 /* Continue (POSIX). */ - "SIGTTIN", // 26 /* Background read from tty (POSIX). */ - "SIGTTOU", // 27 /* Background write to tty (POSIX). */ - "SIGVTALRM", // 28 /* Virtual alarm clock (4.2 BSD). */ - "SIGPROF", // 29 /* Profiling alarm clock (4.2 BSD). */ - "SIGXCPU", // 30 /* CPU limit exceeded (4.2 BSD). */ - "SIGXFSZ", // 31 /* File size limit exceeded (4.2 BSD). */ +/* + * This file is part of ltrace. + * Copyright (C) 2010 Arnaud Patard, Mandriva SA + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + + "SIG_0", /* 0 */ + "SIGHUP", /* 1 */ + "SIGINT", /* 2 */ + "SIGQUIT", /* 3 */ + "SIGILL", /* 4 */ + "SIGTRAP", /* 5 */ + "SIGIOT", /* 6 */ + "SIGEMT", /* 7 */ + "SIGFPE", /* 8 */ + "SIGKILL", /* 9 */ + "SIGBUS", /* 10 */ + "SIGSEGV", /* 11 */ + "SIGSYS", /* 12 */ + "SIGPIPE", /* 13 */ + "SIGALRM", /* 14 */ + "SIGTERM", /* 15 */ + "SIGUSR1", /* 16 */ + "SIGUSR2", /* 17 */ + "SIGCHLD", /* 18 */ + "SIGPWR", /* 19 */ + "SIGWINCH", /* 20 */ + "SIGURG", /* 21 */ + "SIGIO", /* 22 */ + "SIGSTOP", /* 23 */ + "SIGTSTP", /* 24 */ + "SIGCONT", /* 25 */ + "SIGTTIN", /* 26 */ + "SIGTTOU", /* 27 */ + "SIGVTALRM", /* 28 */ + "SIGPROF", /* 29 */ + "SIGXCPU", /* 30 */ + "SIGXFSZ", /* 31 */ diff --git a/sysdeps/linux-gnu/mipsel/syscallent.h b/sysdeps/linux-gnu/mipsel/syscallent.h index bed43fe..c0e5dd6 100644 --- a/sysdeps/linux-gnu/mipsel/syscallent.h +++ b/sysdeps/linux-gnu/mipsel/syscallent.h @@ -1,241 +1,368 @@ - "0", /*Linux + 0*/ - "exit", /*Linux + 1*/ - "fork", /*Linux + 2*/ - "read", /*Linux + 3*/ - "write", /*Linux + 4*/ - "open", /*Linux + 5*/ - "close", /*Linux + 6*/ - "waitpid", /*Linux + 7*/ - "creat", /*Linux + 8*/ - "link", /*Linux + 9*/ - "unlink", /*Linux + 10*/ - "execve", /*Linux + 11*/ - "chdir", /*Linux + 12*/ - "time", /*Linux + 13*/ - "mknod", /*Linux + 14*/ - "chmod", /*Linux + 15*/ - "lchown", /*Linux + 16*/ - "break", /*Linux + 17*/ - "unused18", /*Linux + 18*/ - "lseek", /*Linux + 19*/ - "getpid", /*Linux + 20*/ - "mount", /*Linux + 21*/ - "umount", /*Linux + 22*/ - "setuid", /*Linux + 23*/ - "getuid", /*Linux + 24*/ - "stime", /*Linux + 25*/ - "ptrace", /*Linux + 26*/ - "alarm", /*Linux + 27*/ - "unused28", /*Linux + 28*/ - "pause", /*Linux + 29*/ - "utime", /*Linux + 30*/ - "stty", /*Linux + 31*/ - "gtty", /*Linux + 32*/ - "access", /*Linux + 33*/ - "nice", /*Linux + 34*/ - "ftime", /*Linux + 35*/ - "sync", /*Linux + 36*/ - "kill", /*Linux + 37*/ - "rename", /*Linux + 38*/ - "mkdir", /*Linux + 39*/ - "rmdir", /*Linux + 40*/ - "dup", /*Linux + 41*/ - "pipe", /*Linux + 42*/ - "times", /*Linux + 43*/ - "prof", /*Linux + 44*/ - "brk", /*Linux + 45*/ - "setgid", /*Linux + 46*/ - "getgid", /*Linux + 47*/ - "signal", /*Linux + 48*/ - "geteuid", /*Linux + 49*/ - "getegid", /*Linux + 50*/ - "acct", /*Linux + 51*/ - "umount2", /*Linux + 52*/ - "lock", /*Linux + 53*/ - "ioctl", /*Linux + 54*/ - "fcntl", /*Linux + 55*/ - "mpx", /*Linux + 56*/ - "setpgid", /*Linux + 57*/ - "ulimit", /*Linux + 58*/ - "unused59", /*Linux + 59*/ - "umask", /*Linux + 60*/ - "chroot", /*Linux + 61*/ - "ustat", /*Linux + 62*/ - "dup2", /*Linux + 63*/ - "getppid", /*Linux + 64*/ - "getpgrp", /*Linux + 65*/ - "setsid", /*Linux + 66*/ - "sigaction", /*Linux + 67*/ - "sgetmask", /*Linux + 68*/ - "ssetmask", /*Linux + 69*/ - "setreuid", /*Linux + 70*/ - "setregid", /*Linux + 71*/ - "sigsuspend", /*Linux + 72*/ - "sigpending", /*Linux + 73*/ - "sethostname", /*Linux + 74*/ - "setrlimit", /*Linux + 75*/ - "getrlimit", /*Linux + 76*/ - "getrusage", /*Linux + 77*/ - "gettimeofday", /*Linux + 78*/ - "settimeofday", /*Linux + 79*/ - "getgroups", /*Linux + 80*/ - "setgroups", /*Linux + 81*/ - "reserved82", /*Linux + 82*/ - "symlink", /*Linux + 83*/ - "unused84", /*Linux + 84*/ - "readlink", /*Linux + 85*/ - "uselib", /*Linux + 86*/ - "swapon", /*Linux + 87*/ - "reboot", /*Linux + 88*/ - "readdir", /*Linux + 89*/ - "mmap", /*Linux + 90*/ - "munmap", /*Linux + 91*/ - "truncate", /*Linux + 92*/ - "ftruncate", /*Linux + 93*/ - "fchmod", /*Linux + 94*/ - "fchown", /*Linux + 95*/ - "getpriority", /*Linux + 96*/ - "setpriority", /*Linux + 97*/ - "profil", /*Linux + 98*/ - "statfs", /*Linux + 99*/ - "fstatfs", /*Linux + 100*/ - "ioperm", /*Linux + 101*/ - "socketcall", /*Linux + 102*/ - "syslog", /*Linux + 103*/ - "setitimer", /*Linux + 104*/ - "getitimer", /*Linux + 105*/ - "stat", /*Linux + 106*/ - "lstat", /*Linux + 107*/ - "fstat", /*Linux + 108*/ - "unused109", /*Linux + 109*/ - "iopl", /*Linux + 110*/ - "vhangup", /*Linux + 111*/ - "idle", /*Linux + 112*/ - "vm86", /*Linux + 113*/ - "wait4", /*Linux + 114*/ - "swapoff", /*Linux + 115*/ - "sysinfo", /*Linux + 116*/ - "ipc", /*Linux + 117*/ - "fsync", /*Linux + 118*/ - "sigreturn", /*Linux + 119*/ - "clone", /*Linux + 120*/ - "setdomainname", /*Linux + 121*/ - "uname", /*Linux + 122*/ - "modify_ldt", /*Linux + 123*/ - "adjtimex", /*Linux + 124*/ - "mprotect", /*Linux + 125*/ - "sigprocmask", /*Linux + 126*/ - "create_module", /*Linux + 127*/ - "init_module", /*Linux + 128*/ - "delete_module", /*Linux + 129*/ - "get_kernel_syms", /*Linux + 130*/ - "quotactl", /*Linux + 131*/ - "getpgid", /*Linux + 132*/ - "fchdir", /*Linux + 133*/ - "bdflush", /*Linux + 134*/ - "sysfs", /*Linux + 135*/ - "personality", /*Linux + 136*/ - "afs_syscall", /*Linux + 137*/ /* Syscall for Andrew File System */ - "setfsuid", /*Linux + 138*/ - "setfsgid", /*Linux + 139*/ - "_llseek", /*Linux + 140*/ - "getdents", /*Linux + 141*/ - "_newselect", /*Linux + 142*/ - "flock", /*Linux + 143*/ - "msync", /*Linux + 144*/ - "readv", /*Linux + 145*/ - "writev", /*Linux + 146*/ - "cacheflush", /*Linux + 147*/ - "cachectl", /*Linux + 148*/ - "sysmips", /*Linux + 149*/ - "unused150", /*Linux + 150*/ - "getsid", /*Linux + 151*/ - "fdatasync", /*Linux + 152*/ - "_sysctl", /*Linux + 153*/ - "mlock", /*Linux + 154*/ - "munlock", /*Linux + 155*/ - "mlockall", /*Linux + 156*/ - "munlockall", /*Linux + 157*/ - "sched_setparam", /*Linux + 158*/ - "sched_getparam", /*Linux + 159*/ - "sched_setscheduler", /*Linux + 160*/ - "sched_getscheduler", /*Linux + 161*/ - "sched_yield", /*Linux + 162*/ - "sched_get_priority_max", /*Linux + 163*/ - "sched_get_priority_min", /*Linux + 164*/ - "sched_rr_get_interval", /*Linux + 165*/ - "nanosleep", /*Linux + 166*/ - "mremap", /*Linux + 167*/ - "accept", /*Linux + 168*/ - "bind", /*Linux + 169*/ - "connect", /*Linux + 170*/ - "getpeername", /*Linux + 171*/ - "getsockname", /*Linux + 172*/ - "getsockopt", /*Linux + 173*/ - "listen", /*Linux + 174*/ - "recv", /*Linux + 175*/ - "recvfrom", /*Linux + 176*/ - "recvmsg", /*Linux + 177*/ - "send", /*Linux + 178*/ - "sendmsg", /*Linux + 179*/ - "sendto", /*Linux + 180*/ - "setsockopt", /*Linux + 181*/ - "shutdown", /*Linux + 182*/ - "socket", /*Linux + 183*/ - "socketpair", /*Linux + 184*/ - "setresuid", /*Linux + 185*/ - "getresuid", /*Linux + 186*/ - "query_module", /*Linux + 187*/ - "poll", /*Linux + 188*/ - "nfsservctl", /*Linux + 189*/ - "setresgid", /*Linux + 190*/ - "getresgid", /*Linux + 191*/ - "prctl", /*Linux + 192*/ - "rt_sigreturn", /*Linux + 193*/ - "rt_sigaction", /*Linux + 194*/ - "rt_sigprocmask", /*Linux + 195*/ - "rt_sigpending", /*Linux + 196*/ - "rt_sigtimedwait", /*Linux + 197*/ - "rt_sigqueueinfo", /*Linux + 198*/ - "rt_sigsuspend", /*Linux + 199*/ - "pread", /*Linux + 200*/ - "pwrite", /*Linux + 201*/ - "chown", /*Linux + 202*/ - "getcwd", /*Linux + 203*/ - "capget", /*Linux + 204*/ - "capset", /*Linux + 205*/ - "sigaltstack", /*Linux + 206*/ - "sendfile", /*Linux + 207*/ - "getpmsg", /*Linux + 208*/ - "putpmsg", /*Linux + 209*/ - "mmap2", /*Linux + 210*/ - "truncate64", /*Linux + 211*/ - "ftruncate64", /*Linux + 212*/ - "stat64", /*Linux + 213*/ - "lstat64", /*Linux + 214*/ - "fstat64", /*Linux + 215*/ - "pivot_root", /*Linux + 216*/ - "mincore", /*Linux + 217*/ - "madvise", /*Linux + 218*/ - "getdents64", /*Linux + 219*/ - "fcntl64", /*Linux + 220*/ - "security", /*Linux + 221*/ - "gettid", /*Linux + 222*/ - "readahead", /*Linux + 223*/ - "setxattr", /*Linux + 224*/ - "lsetxattr", /*Linux + 225*/ - "fsetxattr", /*Linux + 226*/ - "getxattr", /*Linux + 227*/ - "lgetxattr", /*Linux + 228*/ - "fgetxattr", /*Linux + 229*/ - "listxattr", /*Linux + 230*/ - "llistxattr", /*Linux + 231*/ - "flistxattr", /*Linux + 232*/ - "removexattr", /*Linux + 233*/ - "lremovexattr", /*Linux + 234*/ - "fremovexattr", /*Linux + 235*/ - "tkill", /*Linux + 236*/ - "sendfile64", /*Linux + 237*/ - "futex", /*Linux + 238*/ - "sched_setaffinity", /*Linux + 239*/ - "sched_getaffinity", /*Linux + 240*/ +/* + * This file is part of ltrace. + * Copyright (C) 2012 Petr Machata, Red Hat Inc. + * Copyright (C) 2010 Arnaud Patard, Mandriva SA + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + + "syscall", /* 0 */ + "exit", /* 1 */ + "fork", /* 2 */ + "read", /* 3 */ + "write", /* 4 */ + "open", /* 5 */ + "close", /* 6 */ + "waitpid", /* 7 */ + "creat", /* 8 */ + "link", /* 9 */ + "unlink", /* 10 */ + "execve", /* 11 */ + "chdir", /* 12 */ + "time", /* 13 */ + "mknod", /* 14 */ + "chmod", /* 15 */ + "lchown", /* 16 */ + "break", /* 17 */ + "unused18", /* 18 */ + "lseek", /* 19 */ + "getpid", /* 20 */ + "mount", /* 21 */ + "umount", /* 22 */ + "setuid", /* 23 */ + "getuid", /* 24 */ + "stime", /* 25 */ + "ptrace", /* 26 */ + "alarm", /* 27 */ + "unused28", /* 28 */ + "pause", /* 29 */ + "utime", /* 30 */ + "stty", /* 31 */ + "gtty", /* 32 */ + "access", /* 33 */ + "nice", /* 34 */ + "ftime", /* 35 */ + "sync", /* 36 */ + "kill", /* 37 */ + "rename", /* 38 */ + "mkdir", /* 39 */ + "rmdir", /* 40 */ + "dup", /* 41 */ + "pipe", /* 42 */ + "times", /* 43 */ + "prof", /* 44 */ + "brk", /* 45 */ + "setgid", /* 46 */ + "getgid", /* 47 */ + "signal", /* 48 */ + "geteuid", /* 49 */ + "getegid", /* 50 */ + "acct", /* 51 */ + "umount2", /* 52 */ + "lock", /* 53 */ + "ioctl", /* 54 */ + "fcntl", /* 55 */ + "mpx", /* 56 */ + "setpgid", /* 57 */ + "ulimit", /* 58 */ + "unused59", /* 59 */ + "umask", /* 60 */ + "chroot", /* 61 */ + "ustat", /* 62 */ + "dup2", /* 63 */ + "getppid", /* 64 */ + "getpgrp", /* 65 */ + "setsid", /* 66 */ + "sigaction", /* 67 */ + "sgetmask", /* 68 */ + "ssetmask", /* 69 */ + "setreuid", /* 70 */ + "setregid", /* 71 */ + "sigsuspend", /* 72 */ + "sigpending", /* 73 */ + "sethostname", /* 74 */ + "setrlimit", /* 75 */ + "getrlimit", /* 76 */ + "getrusage", /* 77 */ + "gettimeofday", /* 78 */ + "settimeofday", /* 79 */ + "getgroups", /* 80 */ + "setgroups", /* 81 */ + "reserved82", /* 82 */ + "symlink", /* 83 */ + "unused84", /* 84 */ + "readlink", /* 85 */ + "uselib", /* 86 */ + "swapon", /* 87 */ + "reboot", /* 88 */ + "readdir", /* 89 */ + "mmap", /* 90 */ + "munmap", /* 91 */ + "truncate", /* 92 */ + "ftruncate", /* 93 */ + "fchmod", /* 94 */ + "fchown", /* 95 */ + "getpriority", /* 96 */ + "setpriority", /* 97 */ + "profil", /* 98 */ + "statfs", /* 99 */ + "fstatfs", /* 100 */ + "ioperm", /* 101 */ + "socketcall", /* 102 */ + "syslog", /* 103 */ + "setitimer", /* 104 */ + "getitimer", /* 105 */ + "stat", /* 106 */ + "lstat", /* 107 */ + "fstat", /* 108 */ + "unused109", /* 109 */ + "iopl", /* 110 */ + "vhangup", /* 111 */ + "idle", /* 112 */ + "vm86", /* 113 */ + "wait4", /* 114 */ + "swapoff", /* 115 */ + "sysinfo", /* 116 */ + "ipc", /* 117 */ + "fsync", /* 118 */ + "sigreturn", /* 119 */ + "clone", /* 120 */ + "setdomainname", /* 121 */ + "uname", /* 122 */ + "modify_ldt", /* 123 */ + "adjtimex", /* 124 */ + "mprotect", /* 125 */ + "sigprocmask", /* 126 */ + "create_module", /* 127 */ + "init_module", /* 128 */ + "delete_module", /* 129 */ + "get_kernel_syms", /* 130 */ + "quotactl", /* 131 */ + "getpgid", /* 132 */ + "fchdir", /* 133 */ + "bdflush", /* 134 */ + "sysfs", /* 135 */ + "personality", /* 136 */ + "afs_syscall", /* 137 */ + "setfsuid", /* 138 */ + "setfsgid", /* 139 */ + "_llseek", /* 140 */ + "getdents", /* 141 */ + "_newselect", /* 142 */ + "flock", /* 143 */ + "msync", /* 144 */ + "readv", /* 145 */ + "writev", /* 146 */ + "cacheflush", /* 147 */ + "cachectl", /* 148 */ + "sysmips", /* 149 */ + "unused150", /* 150 */ + "getsid", /* 151 */ + "fdatasync", /* 152 */ + "_sysctl", /* 153 */ + "mlock", /* 154 */ + "munlock", /* 155 */ + "mlockall", /* 156 */ + "munlockall", /* 157 */ + "sched_setparam", /* 158 */ + "sched_getparam", /* 159 */ + "sched_setscheduler", /* 160 */ + "sched_getscheduler", /* 161 */ + "sched_yield", /* 162 */ + "sched_get_priority_max", /* 163 */ + "sched_get_priority_min", /* 164 */ + "sched_rr_get_interval", /* 165 */ + "nanosleep", /* 166 */ + "mremap", /* 167 */ + "accept", /* 168 */ + "bind", /* 169 */ + "connect", /* 170 */ + "getpeername", /* 171 */ + "getsockname", /* 172 */ + "getsockopt", /* 173 */ + "listen", /* 174 */ + "recv", /* 175 */ + "recvfrom", /* 176 */ + "recvmsg", /* 177 */ + "send", /* 178 */ + "sendmsg", /* 179 */ + "sendto", /* 180 */ + "setsockopt", /* 181 */ + "shutdown", /* 182 */ + "socket", /* 183 */ + "socketpair", /* 184 */ + "setresuid", /* 185 */ + "getresuid", /* 186 */ + "query_module", /* 187 */ + "poll", /* 188 */ + "nfsservctl", /* 189 */ + "setresgid", /* 190 */ + "getresgid", /* 191 */ + "prctl", /* 192 */ + "rt_sigreturn", /* 193 */ + "rt_sigaction", /* 194 */ + "rt_sigprocmask", /* 195 */ + "rt_sigpending", /* 196 */ + "rt_sigtimedwait", /* 197 */ + "rt_sigqueueinfo", /* 198 */ + "rt_sigsuspend", /* 199 */ + "pread64", /* 200 */ + "pwrite64", /* 201 */ + "chown", /* 202 */ + "getcwd", /* 203 */ + "capget", /* 204 */ + "capset", /* 205 */ + "sigaltstack", /* 206 */ + "sendfile", /* 207 */ + "getpmsg", /* 208 */ + "putpmsg", /* 209 */ + "mmap2", /* 210 */ + "truncate64", /* 211 */ + "ftruncate64", /* 212 */ + "stat64", /* 213 */ + "lstat64", /* 214 */ + "fstat64", /* 215 */ + "pivot_root", /* 216 */ + "mincore", /* 217 */ + "madvise", /* 218 */ + "getdents64", /* 219 */ + "fcntl64", /* 220 */ + "reserved221", /* 221 */ + "gettid", /* 222 */ + "readahead", /* 223 */ + "setxattr", /* 224 */ + "lsetxattr", /* 225 */ + "fsetxattr", /* 226 */ + "getxattr", /* 227 */ + "lgetxattr", /* 228 */ + "fgetxattr", /* 229 */ + "listxattr", /* 230 */ + "llistxattr", /* 231 */ + "flistxattr", /* 232 */ + "removexattr", /* 233 */ + "lremovexattr", /* 234 */ + "fremovexattr", /* 235 */ + "tkill", /* 236 */ + "sendfile64", /* 237 */ + "futex", /* 238 */ + "sched_setaffinity", /* 239 */ + "sched_getaffinity", /* 240 */ + "io_setup", /* 241 */ + "io_destroy", /* 242 */ + "io_getevents", /* 243 */ + "io_submit", /* 244 */ + "io_cancel", /* 245 */ + "exit_group", /* 246 */ + "lookup_dcookie", /* 247 */ + "epoll_create", /* 248 */ + "epoll_ctl", /* 249 */ + "epoll_wait", /* 250 */ + "remap_file_pages", /* 251 */ + "set_tid_address", /* 252 */ + "restart_syscall", /* 253 */ + "fadvise64", /* 254 */ + "statfs64", /* 255 */ + "fstatfs64", /* 256 */ + "timer_create", /* 257 */ + "timer_settime", /* 258 */ + "timer_gettime", /* 259 */ + "timer_getoverrun", /* 260 */ + "timer_delete", /* 261 */ + "clock_settime", /* 262 */ + "clock_gettime", /* 263 */ + "clock_getres", /* 264 */ + "clock_nanosleep", /* 265 */ + "tgkill", /* 266 */ + "utimes", /* 267 */ + "mbind", /* 268 */ + "get_mempolicy", /* 269 */ + "set_mempolicy", /* 270 */ + "mq_open", /* 271 */ + "mq_unlink", /* 272 */ + "mq_timedsend", /* 273 */ + "mq_timedreceive", /* 274 */ + "mq_notify", /* 275 */ + "mq_getsetattr", /* 276 */ + "vserver", /* 277 */ + "waitid", /* 278 */ + "279", /* 279 */ + "add_key", /* 280 */ + "request_key", /* 281 */ + "keyctl", /* 282 */ + "set_thread_area", /* 283 */ + "inotify_init", /* 284 */ + "inotify_add_watch", /* 285 */ + "inotify_rm_watch", /* 286 */ + "migrate_pages", /* 287 */ + "openat", /* 288 */ + "mkdirat", /* 289 */ + "mknodat", /* 290 */ + "fchownat", /* 291 */ + "futimesat", /* 292 */ + "fstatat64", /* 293 */ + "unlinkat", /* 294 */ + "renameat", /* 295 */ + "linkat", /* 296 */ + "symlinkat", /* 297 */ + "readlinkat", /* 298 */ + "fchmodat", /* 299 */ + "faccessat", /* 300 */ + "pselect6", /* 301 */ + "ppoll", /* 302 */ + "unshare", /* 303 */ + "splice", /* 304 */ + "sync_file_range", /* 305 */ + "tee", /* 306 */ + "vmsplice", /* 307 */ + "move_pages", /* 308 */ + "set_robust_list", /* 309 */ + "get_robust_list", /* 310 */ + "kexec_load", /* 311 */ + "getcpu", /* 312 */ + "epoll_pwait", /* 313 */ + "ioprio_set", /* 314 */ + "ioprio_get", /* 315 */ + "utimensat", /* 316 */ + "signalfd", /* 317 */ + "timerfd", /* 318 */ + "eventfd", /* 319 */ + "fallocate", /* 320 */ + "timerfd_create", /* 321 */ + "timerfd_gettime", /* 322 */ + "timerfd_settime", /* 323 */ + "signalfd4", /* 324 */ + "eventfd2", /* 325 */ + "epoll_create1", /* 326 */ + "dup3", /* 327 */ + "pipe2", /* 328 */ + "inotify_init1", /* 329 */ + "preadv", /* 330 */ + "pwritev", /* 331 */ + "rt_tgsigqueueinfo", /* 332 */ + "perf_event_open", /* 333 */ + "accept4", /* 334 */ + "recvmmsg", /* 335 */ + "fanotify_init", /* 336 */ + "fanotify_mark", /* 337 */ + "prlimit64", /* 338 */ + "name_to_handle_at", /* 339 */ + "open_by_handle_at", /* 340 */ + "clock_adjtime", /* 341 */ + "syncfs", /* 342 */ + "sendmmsg", /* 343 */ + "setns", /* 344 */ + "process_vm_readv", /* 345 */ + "process_vm_writev", /* 346 */ diff --git a/sysdeps/linux-gnu/mipsel/trace.c b/sysdeps/linux-gnu/mipsel/trace.c index ff94930..db9ec21 100644 --- a/sysdeps/linux-gnu/mipsel/trace.c +++ b/sysdeps/linux-gnu/mipsel/trace.c @@ -1,3 +1,26 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2012 Edgar E. Iglesias, Axis Communications + * Copyright (C) 2010 Arnaud Patard, Mandriva SA + * Copyright (C) 2008,2009 Juan Cespedes + * Copyright (C) 2006 Eric Vaitl, Cisco Systems, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include "config.h" #include @@ -5,9 +28,15 @@ #include #include #include -#include "debug.h" +#include + +#include "backend.h" #include "common.h" +#include "debug.h" #include "mipsel.h" +#include "proc.h" +#include "type.h" + #if (!defined(PTRACE_PEEKUSER) && defined(PTRACE_PEEKUSR)) # define PTRACE_PEEKUSER PTRACE_PEEKUSR #endif @@ -88,6 +117,177 @@ syscall_p(Process *proc, int status, int *sysnum) { } return 0; } + +/* Based on GDB code. */ +#define mips32_op(x) (x >> 26) +#define itype_op(x) (x >> 26) +#define itype_rs(x) ((x >> 21) & 0x1f) +#define itype_rt(x) ((x >> 16) & 0x1f) +#define itype_immediate(x) (x & 0xffff) + +#define jtype_op(x) (x >> 26) +#define jtype_target(x) (x & 0x03ffffff) + +#define rtype_op(x) (x >> 26) +#define rtype_rs(x) ((x >> 21) & 0x1f) +#define rtype_rt(x) ((x >> 16) & 0x1f) +#define rtype_rd(x) ((x >> 11) & 0x1f) +#define rtype_shamt(x) ((x >> 6) & 0x1f) +#define rtype_funct(x) (x & 0x3f) + +static int32_t +mips32_relative_offset (uint32_t inst) +{ + return ((itype_immediate(inst) ^ 0x8000) - 0x8000) << 2; +} + +int mips_next_pcs(struct Process *proc, uint32_t pc, uint32_t *newpc) +{ + uint32_t inst, rx; + int op; + int rn; + int nr = 0; + + inst = ptrace(PTRACE_PEEKTEXT, proc->pid, pc, 0); + + if ((inst & 0xe0000000) != 0) { + /* Check for branches. */ + if (itype_op(inst) >> 2 == 5) { + /* BEQL, BNEL, BLEZL, BGTZL: bits 0101xx */ + op = (itype_op(inst) & 0x03); + switch (op) + { + case 0: /* BEQL */ + case 1: /* BNEL */ + case 2: /* BLEZL */ + case 3: /* BGTZL */ + newpc[nr++] = pc + 8; + newpc[nr++] = pc + 4 + + mips32_relative_offset(inst); + break; + default: + newpc[nr++] = pc + 4; + break; + } + } else if (itype_op(inst) == 17 && itype_rs(inst) == 8) { + /* Step over the branch. */ + newpc[nr++] = pc + 8; + newpc[nr++] = pc + mips32_relative_offset(inst) + 4; + } else { + newpc[nr++] = pc + 4; + } + } else { + /* Further subdivide into SPECIAL, REGIMM and other. */ + switch (op = itype_op(inst) & 0x07) + { + case 0: + op = rtype_funct(inst); + switch (op) + { + case 8: /* JR */ + case 9: /* JALR */ + rn = rtype_rs(inst); + + rx = ptrace(PTRACE_PEEKUSER,proc->pid, rn, 0); + newpc[nr++] = rx; + break; + default: + case 12: /* SYSCALL */ + newpc[nr++] = pc + 4; + break; + } + break; + case 1: + op = itype_rt(inst); + switch (op) + { + case 0: + case 1: + case 2: + case 3: + case 16: + case 17: + case 18: + case 19: + newpc[nr++] = pc + 8; + newpc[nr++] = pc + 4 + + mips32_relative_offset(inst); + break; + default: + newpc[nr++] = pc + 4; + break; + } + break; + case 2: /* J */ + case 3: /* JAL */ + rx = jtype_target(inst) << 2; + /* Upper four bits get never changed... */ + newpc[nr++] = rx + ((pc + 4) & ~0x0fffffff); + break; + case 4: /* BEQ */ + if (itype_rs(inst) == itype_rt(inst)) { + /* Compare the same reg for equality, always + * follow the branch. */ + newpc[nr++] = pc + 4 + + mips32_relative_offset(inst); + break; + } + /* Fall through. */ + default: + case 5: + case 6: + case 7: + /* Step over the branch. */ + newpc[nr++] = pc + 8; + newpc[nr++] = pc + mips32_relative_offset(inst) + 4; + break; + } + } + if (nr <= 0 || nr > 2) + goto fail; + if (nr == 2) { + if (newpc[1] == 0) + goto fail; + } + if (newpc[0] == 0) + goto fail; + + assert(nr == 1 || nr == 2); + return nr; + +fail: + printf("nr=%d pc=%x\n", nr, pc); + printf("pc=%x %x\n", newpc[0], newpc[1]); + return 0; +} + +int +arch_atomic_singlestep(struct Process *proc, struct breakpoint *sbp, + int (*add_cb)(void *addr, void *data), + void *add_cb_data) +{ + uint32_t pc = (uint32_t) get_instruction_pointer(proc); + uint32_t newpcs[2]; + int nr; + + nr = mips_next_pcs(proc, pc, newpcs); + + while (nr-- > 0) { + arch_addr_t baddr = (arch_addr_t) newpcs[nr]; + /* Not sure what to do here. We've already got a bp? */ + if (dict_find_entry(proc->leader->breakpoints, baddr) != NULL) { + fprintf(stderr, "skip %p %p\n", baddr, add_cb_data); + continue; + } + + if (add_cb(baddr, add_cb_data) < 0) + return -1; + } + + ptrace(PTRACE_SYSCALL, proc->pid, 0, 0); + return 0; +} + /** \param type Function/syscall call or return. \param proc The process that had an event. @@ -117,51 +317,61 @@ I'm not doing any floating point support here. */ long -gimme_arg(enum tof type, Process *proc, int arg_num, arg_type_info *info) { +gimme_arg(enum tof type, Process *proc, int arg_num, struct arg_type_info *info) +{ long ret; + long addr; debug(2,"type %d arg %d",type,arg_num); - if (type == LT_TOF_FUNCTION || type == LT_TOF_SYSCALL){ + if (arg_num == -1) { + if(type == LT_TOF_FUNCTIONR) { + return ptrace(PTRACE_PEEKUSER,proc->pid,off_v0,0); + } + if (type == LT_TOF_SYSCALLR) { + unsigned a3=ptrace(PTRACE_PEEKUSER, proc->pid,off_a3,0); + unsigned v0=ptrace(PTRACE_PEEKUSER, proc->pid,off_v0,0); + if(!a3){ + return v0; + } + return -1; + } + } + if (type == LT_TOF_FUNCTION || type == LT_TOF_SYSCALL) { + /* o32: float args are in f12 and f14 */ + if ((info->type == ARGTYPE_FLOAT) && (arg_num < 2)) { + ret=ptrace(PTRACE_PEEKUSER,proc->pid,off_fpr0+12+arg_num*2,0); + debug(2,"ret = %#lx",ret); + return ret; + } if(arg_num <4){ ret=ptrace(PTRACE_PEEKUSER,proc->pid,off_a0+arg_num,0); debug(2,"ret = %#lx",ret); return ret; } else { - // If we need this, I think we can look at [sp+16] for arg_num==4. - CP; - return 0; + /* not sure it's going to work for something else than syscall */ + addr=ptrace(PTRACE_PEEKUSER,proc->pid,off_sp,0); + if (addr == -1) { + debug(2,"ret = %#lx",addr); + return addr; + } + ret = addr + 4*arg_num; + ret=ptrace(PTRACE_PEEKTEXT,proc->pid,addr,0); + debug(2,"ret = %#lx",ret); + return ret; } } - if(arg_num>=0){ - fprintf(stderr,"args on return?"); - } - if(type == LT_TOF_FUNCTIONR) { - return ptrace(PTRACE_PEEKUSER,proc->pid,off_v0,0); - } - if (type == LT_TOF_SYSCALLR) { - unsigned a3=ptrace(PTRACE_PEEKUSER, proc->pid,off_a3,0); - unsigned v0=ptrace(PTRACE_PEEKUSER, proc->pid,off_v0,0); - if(!a3){ - return v0; + if (type == LT_TOF_FUNCTIONR || type == LT_TOF_SYSCALLR){ + addr=ptrace(PTRACE_PEEKUSER,proc->pid,off_sp,0); + if (addr == -1) { + debug(2,"ret = %#lx",addr); + return addr; } - return -1; + ret = addr + 4*arg_num; + ret=ptrace(PTRACE_PEEKTEXT,proc->pid,addr,0); + debug(2,"ret = %#lx",ret); + return ret; } fprintf(stderr, "gimme_arg called with wrong arguments\n"); return 0; } -/** - \param type Type of call/return - \param proc Process to work with. - - Called by \c output_left(), which is called on a syscall or - function. - - The other architectures stub this out, but seems to be the place to - stash off the arguments on a call so we have them on the return. - -*/ -void -save_register_args(enum tof type, Process *proc) { -} - /**@}*/ diff --git a/sysdeps/linux-gnu/mksignalent b/sysdeps/linux-gnu/mksignalent index 316d81f..b78b692 100755 --- a/sysdeps/linux-gnu/mksignalent +++ b/sysdeps/linux-gnu/mksignalent @@ -1,4 +1,21 @@ #!/usr/bin/awk -f +# This file is part of ltrace. +# Copyright (C) 1999 Juan Cespedes +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA # hack expression to generate arch/signalent.h from # It reads from stdin and writes to stdout diff --git a/sysdeps/linux-gnu/mksyscallent b/sysdeps/linux-gnu/mksyscallent index e0c3ec7..615ff06 100755 --- a/sysdeps/linux-gnu/mksyscallent +++ b/sysdeps/linux-gnu/mksyscallent @@ -1,4 +1,22 @@ #!/usr/bin/awk -f +# This file is part of ltrace. +# Copyright (C) 2006 Ian Wienand +# Copyright (C) 1999 Juan Cespedes +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA # hack expression to generate arch/syscallent.h from # It reads from stdin and writes to stdout diff --git a/sysdeps/linux-gnu/mksyscallent_s390 b/sysdeps/linux-gnu/mksyscallent_s390 index 73416d9..1964d14 100644 --- a/sysdeps/linux-gnu/mksyscallent_s390 +++ b/sysdeps/linux-gnu/mksyscallent_s390 @@ -1,4 +1,22 @@ #!/usr/bin/perl +# This file is part of ltrace. +# Copyright (C) 2006 Heiko Carstens, IBM Corporation +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA + # # Generate syscall table for s390/s390x # diff --git a/sysdeps/linux-gnu/os.h b/sysdeps/linux-gnu/os.h new file mode 100644 index 0000000..62bf38b --- /dev/null +++ b/sysdeps/linux-gnu/os.h @@ -0,0 +1,25 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2012 Petr Machata + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#define OS_HAVE_PROCESS_DATA +struct os_process_data { + arch_addr_t debug_addr; + int debug_state; +}; diff --git a/sysdeps/linux-gnu/ppc/Makefile b/sysdeps/linux-gnu/ppc/Makefile deleted file mode 100644 index 60d7531..0000000 --- a/sysdeps/linux-gnu/ppc/Makefile +++ /dev/null @@ -1,10 +0,0 @@ -OBJ = trace.o regs.o plt.o - -all: arch.o - -arch.o: $(OBJ) - $(CC) -nostdlib -r -o arch.o $(OBJ) - -clean: - $(RM) $(OBJ) arch.o - diff --git a/sysdeps/linux-gnu/ppc/Makefile.am b/sysdeps/linux-gnu/ppc/Makefile.am new file mode 100644 index 0000000..2239ae3 --- /dev/null +++ b/sysdeps/linux-gnu/ppc/Makefile.am @@ -0,0 +1,36 @@ +# This file is part of ltrace. +# Copyright (C) 2010 Marc Kleine-Budde, Pengutronix +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA + +noinst_LTLIBRARIES = \ + ../libcpu.la + +___libcpu_la_SOURCES = \ + plt.c \ + regs.c \ + trace.c \ + fetch.c + +noinst_HEADERS = \ + arch.h \ + insn.h \ + ptrace.h \ + signalent.h \ + syscallent.h + +MAINTAINERCLEANFILES = \ + Makefile.in diff --git a/sysdeps/linux-gnu/ppc/Makefile.in b/sysdeps/linux-gnu/ppc/Makefile.in new file mode 100644 index 0000000..bcc9d84 --- /dev/null +++ b/sysdeps/linux-gnu/ppc/Makefile.in @@ -0,0 +1,531 @@ +# Makefile.in generated by automake 1.11.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, +# Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# This file is part of ltrace. +# Copyright (C) 2010 Marc Kleine-Budde, Pengutronix +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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maintainer-clean-generic mostlyclean \ + mostlyclean-compile mostlyclean-generic mostlyclean-libtool \ + pdf pdf-am ps ps-am tags uninstall uninstall-am + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/sysdeps/linux-gnu/ppc/arch.h b/sysdeps/linux-gnu/ppc/arch.h index 711b4a3..fb8768a 100644 --- a/sysdeps/linux-gnu/ppc/arch.h +++ b/sysdeps/linux-gnu/ppc/arch.h @@ -1,3 +1,29 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2012 Petr Machata + * Copyright (C) 2006 Paul Gilliam + * Copyright (C) 2002,2004 Juan Cespedes + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ +#ifndef LTRACE_PPC_ARCH_H +#define LTRACE_PPC_ARCH_H + +#include + #define BREAKPOINT_VALUE { 0x7f, 0xe0, 0x00, 0x08 } #define BREAKPOINT_LENGTH 4 #define DECR_PC_AFTER_BREAK 0 @@ -11,14 +37,72 @@ #define ARCH_SUPPORTS_OPD #endif -#define PLT_REINITALISATION_BP "_start" +#define ARCH_HAVE_ATOMIC_SINGLESTEP +#define ARCH_HAVE_ADD_PLT_ENTRY +#define ARCH_HAVE_TRANSLATE_ADDRESS +#define ARCH_HAVE_DYNLINK_DONE +#define ARCH_HAVE_FETCH_ARG +#define ARCH_ENDIAN_BIG +#define ARCH_HAVE_SIZEOF +#define ARCH_HAVE_ALIGNOF -/* Start of arch-specific functions. */ -#define ARCH_HAVE_UMOVELONG +struct library_symbol; -#define PPC_NOP { 0x60, 0x00, 0x00, 0x00 } -#define PPC_NOP_LENGTH 4 +#define ARCH_HAVE_LTELF_DATA +struct arch_ltelf_data { + GElf_Addr plt_stub_vma; + struct library_symbol *stubs; + Elf_Data *opd_data; + GElf_Addr opd_base; + GElf_Xword opd_size; + int secure_plt; +}; -#if (PPC_NOP_LENGTH != BREAKPOINT_LENGTH) -#error "Length of the breakpoint value not equal to the length of a nop instruction" -#endif +#define ARCH_HAVE_LIBRARY_DATA +struct arch_library_data { + GElf_Addr pltgot_addr; + int bss_plt_prelinked; +}; + +enum ppc64_plt_type { + /* Either a non-PLT symbol, or PPC32 symbol. */ + PPC_DEFAULT = 0, + + /* PPC64 STUB, never resolved. */ + PPC64_PLT_STUB, + + /* Unresolved PLT symbol (.plt contains PLT address). */ + PPC_PLT_UNRESOLVED, + + /* Resolved PLT symbol. The corresponding .plt slot contained + * target address, which was changed to the address of + * corresponding PLT entry. The original is now saved in + * RESOLVED_VALUE. */ + PPC_PLT_RESOLVED, +}; + +#define ARCH_HAVE_LIBRARY_SYMBOL_DATA +struct arch_library_symbol_data { + enum ppc64_plt_type type; + GElf_Addr resolved_value; + + /* Address of corresponding slot in .plt. */ + GElf_Addr plt_slot_addr; +}; + +#define ARCH_HAVE_BREAKPOINT_DATA +struct arch_breakpoint_data { + /* We need this just for arch_breakpoint_init. */ +}; + +#define ARCH_HAVE_PROCESS_DATA +struct arch_process_data { + /* Breakpoint that hits when the dynamic linker is about to + * update a .plt slot. NULL before that address is known. */ + struct breakpoint *dl_plt_update_bp; + + /* PLT update breakpoint looks here for the handler. */ + struct process_stopping_handler *handler; +}; + +#endif /* LTRACE_PPC_ARCH_H */ diff --git a/sysdeps/linux-gnu/ppc/fetch.c b/sysdeps/linux-gnu/ppc/fetch.c new file mode 100644 index 0000000..9963a1e --- /dev/null +++ b/sysdeps/linux-gnu/ppc/fetch.c @@ -0,0 +1,436 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2012 Petr Machata, Red Hat Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include +#include +#include +#include +#include + +#include "backend.h" +#include "fetch.h" +#include "type.h" +#include "ptrace.h" +#include "proc.h" +#include "value.h" + +static int allocate_gpr(struct fetch_context *ctx, struct Process *proc, + struct arg_type_info *info, struct value *valuep); + +/* Floating point registers have the same width on 32-bit as well as + * 64-bit PPC, but presents a different API depending on + * whether ltrace is PPC32 or PPC64. + * + * This is PPC64 definition. The PPC32 is simply an array of 33 + * doubles, and doesn't contain the terminating pad. Both seem + * compatible enough. */ +struct fpregs_t +{ + double fpregs[32]; + double fpscr; + unsigned int _pad[2]; +}; + +typedef uint32_t gregs32_t[48]; +typedef uint64_t gregs64_t[48]; + +struct fetch_context { + arch_addr_t stack_pointer; + int greg; + int freg; + int ret_struct; + + union { + gregs32_t r32; + gregs64_t r64; + } regs; + struct fpregs_t fpregs; + +}; + +static int +fetch_context_init(struct Process *proc, struct fetch_context *context) +{ + context->greg = 3; + context->freg = 1; + + if (proc->e_machine == EM_PPC) + context->stack_pointer = proc->stack_pointer + 8; + else + context->stack_pointer = proc->stack_pointer + 112; + + /* When ltrace is 64-bit, we might use PTRACE_GETREGS to + * obtain 64-bit as well as 32-bit registers. But if we do it + * this way, 32-bit ltrace can obtain 64-bit registers. + * + * XXX this direction is not supported as of this writing, but + * should be eventually. */ + if (proc->e_machine == EM_PPC64) { + if (ptrace(PTRACE_GETREGS64, proc->pid, 0, + &context->regs.r64) < 0) + return -1; + } else { +#ifdef __powerpc64__ + if (ptrace(PTRACE_GETREGS, proc->pid, 0, + &context->regs.r64) < 0) + return -1; + unsigned i; + for (i = 0; i < sizeof(context->regs.r64)/8; ++i) + context->regs.r32[i] = context->regs.r64[i]; +#else + if (ptrace(PTRACE_GETREGS, proc->pid, 0, + &context->regs.r32) < 0) + return -1; +#endif + } + + if (ptrace(PTRACE_GETFPREGS, proc->pid, 0, &context->fpregs) < 0) + return -1; + + return 0; +} + +struct fetch_context * +arch_fetch_arg_init(enum tof type, struct Process *proc, + struct arg_type_info *ret_info) +{ + struct fetch_context *context = malloc(sizeof(*context)); + if (context == NULL + || fetch_context_init(proc, context) < 0) { + free(context); + return NULL; + } + + /* Aggregates or unions of any length, and character strings + * of length longer than 8 bytes, will be returned in a + * storage buffer allocated by the caller. The caller will + * pass the address of this buffer as a hidden first argument + * in r3, causing the first explicit argument to be passed in + * r4. */ + context->ret_struct = ret_info->type == ARGTYPE_STRUCT; + if (context->ret_struct) + context->greg++; + + return context; +} + +struct fetch_context * +arch_fetch_arg_clone(struct Process *proc, + struct fetch_context *context) +{ + struct fetch_context *clone = malloc(sizeof(*context)); + if (clone == NULL) + return NULL; + *clone = *context; + return clone; +} + +static int +allocate_stack_slot(struct fetch_context *ctx, struct Process *proc, + struct arg_type_info *info, struct value *valuep) +{ + size_t sz = type_sizeof(proc, info); + if (sz == (size_t)-1) + return -1; + + size_t a = type_alignof(proc, info); + size_t off = 0; + if (proc->e_machine == EM_PPC && a < 4) + a = 4; + else if (proc->e_machine == EM_PPC64 && a < 8) + a = 8; + + /* XXX Remove the two double casts when arch_addr_t + * becomes integral type. */ + uintptr_t tmp = align((uint64_t)(uintptr_t)ctx->stack_pointer, a); + ctx->stack_pointer = (arch_addr_t)tmp; + + if (valuep != NULL) + value_in_inferior(valuep, ctx->stack_pointer + off); + ctx->stack_pointer += sz; + + return 0; +} + +static uint64_t +read_gpr(struct fetch_context *ctx, struct Process *proc, int reg_num) +{ + if (proc->e_machine == EM_PPC) + return ctx->regs.r32[reg_num]; + else + return ctx->regs.r64[reg_num]; +} + +/* The support for little endian PowerPC is in upstream Linux and BFD, + * and Unix-like Solaris, which we might well support at some point, + * runs PowerPC in little endian as well. This code moves SZ-sized + * value to the beginning of W-sized BUF regardless of + * endian. */ +static void +align_small_int(unsigned char *buf, size_t w, size_t sz) +{ + assert(w == 4 || w == 8); + union { + uint64_t i64; + uint32_t i32; + uint16_t i16; + uint8_t i8; + char buf[0]; + } u; + memcpy(u.buf, buf, w); + if (w == 4) + u.i64 = u.i32; + + switch (sz) { + case 1: + u.i8 = u.i64; + break; + case 2: + u.i16 = u.i64; + break; + case 4: + u.i32 = u.i64; + case 8: + break; + } + + memcpy(buf, u.buf, sz); +} + +static int +allocate_gpr(struct fetch_context *ctx, struct Process *proc, + struct arg_type_info *info, struct value *valuep) +{ + if (ctx->greg > 10) + return allocate_stack_slot(ctx, proc, info, valuep); + + int reg_num = ctx->greg++; + if (valuep == NULL) + return 0; + + size_t sz = type_sizeof(proc, info); + if (sz == (size_t)-1) + return -1; + assert(sz == 1 || sz == 2 || sz == 4 || sz == 8); + if (value_reserve(valuep, sz) == NULL) + return -1; + + union { + uint64_t i64; + unsigned char buf[0]; + } u; + + u.i64 = read_gpr(ctx, proc, reg_num); + if (proc->e_machine == EM_PPC) + align_small_int(u.buf, 8, sz); + memcpy(value_get_raw_data(valuep), u.buf, sz); + return 0; +} + +static int +allocate_float(struct fetch_context *ctx, struct Process *proc, + struct arg_type_info *info, struct value *valuep) +{ + int pool = proc->e_machine == EM_PPC64 ? 13 : 8; + if (ctx->freg <= pool) { + union { + double d; + float f; + char buf[0]; + } u = { .d = ctx->fpregs.fpregs[ctx->freg] }; + + ctx->freg++; + if (proc->e_machine == EM_PPC64) + allocate_gpr(ctx, proc, info, NULL); + + size_t sz = sizeof(double); + if (info->type == ARGTYPE_FLOAT) { + sz = sizeof(float); + u.f = (float)u.d; + } + + if (value_reserve(valuep, sz) == NULL) + return -1; + + memcpy(value_get_raw_data(valuep), u.buf, sz); + return 0; + } + return allocate_stack_slot(ctx, proc, info, valuep); +} + +static int +allocate_argument(struct fetch_context *ctx, struct Process *proc, + struct arg_type_info *info, struct value *valuep) +{ + /* Floating point types and void are handled specially. */ + switch (info->type) { + case ARGTYPE_VOID: + value_set_word(valuep, 0); + return 0; + + case ARGTYPE_FLOAT: + case ARGTYPE_DOUBLE: + return allocate_float(ctx, proc, info, valuep); + + case ARGTYPE_STRUCT: + if (proc->e_machine == EM_PPC) { + if (value_pass_by_reference(valuep) < 0) + return -1; + } else { + /* PPC64: Fixed size aggregates and unions passed by + * value are mapped to as many doublewords of the + * parameter save area as the value uses in memory. + * [...] The first eight doublewords mapped to the + * parameter save area correspond to the registers r3 + * through r10. */ + } + /* fall through */ + case ARGTYPE_CHAR: + case ARGTYPE_SHORT: + case ARGTYPE_USHORT: + case ARGTYPE_INT: + case ARGTYPE_UINT: + case ARGTYPE_LONG: + case ARGTYPE_ULONG: + case ARGTYPE_POINTER: + break; + + case ARGTYPE_ARRAY: + /* Arrays decay into pointers. XXX Fortran? */ + default: + assert(info->type != info->type); + abort(); + } + + unsigned width = proc->e_machine == EM_PPC64 ? 8 : 4; + + /* For other cases (integral types and aggregates), read the + * eightbytes comprising the data. */ + size_t sz = type_sizeof(proc, valuep->type); + if (sz == (size_t)-1) + return -1; + size_t slots = (sz + width - 1) / width; /* Round up. */ + unsigned char *buf = value_reserve(valuep, slots * width); + if (buf == NULL) + return -1; + struct arg_type_info *long_info = type_get_simple(ARGTYPE_LONG); + + unsigned char *ptr = buf; + while (slots-- > 0) { + struct value val; + value_init(&val, proc, NULL, long_info, 0); + + /* Floating point registers [...] are used [...] to + pass [...] one member aggregates passed by value + containing a floating point value[.] Note that for + one member aggregates, "containing" extends to + aggregates within aggregates ad infinitum. */ + int rc; + struct arg_type_info *fp_info + = type_get_fp_equivalent(valuep->type); + if (fp_info != NULL) + rc = allocate_float(ctx, proc, fp_info, &val); + else + rc = allocate_gpr(ctx, proc, long_info, &val); + + if (rc >= 0) { + memcpy(ptr, value_get_data(&val, NULL), width); + ptr += width; + } + value_destroy(&val); + + /* Bail out if we failed or if we are dealing with + * FP-equivalent. Those don't need the adjustments + * made below. */ + if (rc < 0 || fp_info != NULL) + return rc; + } + + /* Small values need post-processing. */ + if (sz < width) { + switch (info->type) { + default: + abort(); + + /* Simple integer types (char, short, int, long, enum) + * are mapped to a single doubleword. Values shorter + * than a doubleword are sign or zero extended as + * necessary. */ + case ARGTYPE_CHAR: + case ARGTYPE_SHORT: + case ARGTYPE_INT: + case ARGTYPE_USHORT: + case ARGTYPE_UINT: + align_small_int(buf, width, sz); + break; + + /* Single precision floating point values are mapped + * to the second word in a single doubleword. + * + * An aggregate or union smaller than one doubleword + * in size is padded so that it appears in the least + * significant bits of the doubleword. */ + case ARGTYPE_FLOAT: + case ARGTYPE_ARRAY: + case ARGTYPE_STRUCT: + memmove(buf, buf + width - sz, sz); + break; + } + } + + return 0; +} + +int +arch_fetch_arg_next(struct fetch_context *ctx, enum tof type, + struct Process *proc, + struct arg_type_info *info, struct value *valuep) +{ + return allocate_argument(ctx, proc, info, valuep); +} + +int +arch_fetch_retval(struct fetch_context *ctx, enum tof type, + struct Process *proc, struct arg_type_info *info, + struct value *valuep) +{ + if (ctx->ret_struct) { + assert(info->type == ARGTYPE_STRUCT); + + uint64_t addr = read_gpr(ctx, proc, 3); + value_init(valuep, proc, NULL, info, 0); + + valuep->where = VAL_LOC_INFERIOR; + /* XXX Remove the double cast when arch_addr_t + * becomes integral type. */ + valuep->u.address = (arch_addr_t)(uintptr_t)addr; + return 0; + } + + if (fetch_context_init(proc, ctx) < 0) + return -1; + return allocate_argument(ctx, proc, info, valuep); +} + +void +arch_fetch_arg_done(struct fetch_context *context) +{ + free(context); +} diff --git a/sysdeps/linux-gnu/ppc/insn.h b/sysdeps/linux-gnu/ppc/insn.h new file mode 100644 index 0000000..cd94b5e --- /dev/null +++ b/sysdeps/linux-gnu/ppc/insn.h @@ -0,0 +1,45 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2012 Petr Machata, Red Hat Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +/* Instruction masks used during single-stepping of atomic + * sequences. This was lifted from GDB. */ +#define LWARX_MASK 0xfc0007fe +#define LWARX_INSTRUCTION 0x7c000028 +#define LDARX_INSTRUCTION 0x7c0000A8 +#define STWCX_MASK 0xfc0007ff +#define STWCX_INSTRUCTION 0x7c00012d +#define STDCX_INSTRUCTION 0x7c0001ad +#define BRANCH_MASK 0xfc000000 +#define BC_MASK 0xfc000000 +#define BC_INSN 0x40000000 +#define B_INSN 0x48000000 + +static inline arch_addr_t +ppc_branch_dest(arch_addr_t addr, uint32_t insn) +{ + int immediate = ((insn & 0xfffc) ^ 0x8000) - 0x8000; + int absolute = insn & 2; + + /* XXX drop the following double casts. */ + if (absolute) + return (arch_addr_t)(uintptr_t)immediate; + else + return addr + (uintptr_t)immediate; +} diff --git a/sysdeps/linux-gnu/ppc/plt.c b/sysdeps/linux-gnu/ppc/plt.c index 31830fb..f83f087 100644 --- a/sysdeps/linux-gnu/ppc/plt.c +++ b/sysdeps/linux-gnu/ppc/plt.c @@ -1,54 +1,1038 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2012 Petr Machata, Red Hat Inc. + * Copyright (C) 2004,2008,2009 Juan Cespedes + * Copyright (C) 2006 Paul Gilliam + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include +#include +#include +#include +#include +#include + +#include "proc.h" #include "common.h" +#include "insn.h" +#include "library.h" +#include "breakpoint.h" +#include "linux-gnu/trace.h" +#include "backend.h" + +/* There are two PLT types on 32-bit PPC: old-style, BSS PLT, and + * new-style "secure" PLT. We can tell one from the other by the + * flags on the .plt section. If it's +X (executable), it's BSS PLT, + * otherwise it's secure. + * + * BSS PLT works the same way as most architectures: the .plt section + * contains trampolines and we put breakpoints to those. If not + * prelinked, .plt contains zeroes, and dynamic linker fills in the + * initial set of trampolines, which means that we need to delay + * enabling breakpoints until after binary entry point is hit. + * Additionally, after first call, dynamic linker updates .plt with + * branch to resolved address. That means that on first hit, we must + * do something similar to the PPC64 gambit described below. + * + * With secure PLT, the .plt section doesn't contain instructions but + * addresses. The real PLT table is stored in .text. Addresses of + * those PLT entries can be computed, and apart from the fact that + * they are in .text, they are ordinary PLT entries. + * + * 64-bit PPC is more involved. Program linker creates for each + * library call a _stub_ symbol named xxxxxxxx.plt_call. + * (where xxxxxxxx is a hexadecimal number). That stub does the call + * dispatch: it loads an address of a function to call from the + * section .plt, and branches. PLT entries themselves are essentially + * a curried call to the resolver. When the symbol is resolved, the + * resolver updates the value stored in .plt, and the next time + * around, the stub calls the library function directly. So we make + * at most one trip (none if the binary is prelinked) through each PLT + * entry, and correspondingly that is useless as a breakpoint site. + * + * Note the three confusing terms: stubs (that play the role of PLT + * entries), PLT entries, .plt section. + * + * We first check symbol tables and see if we happen to have stub + * symbols available. If yes we just put breakpoints to those, and + * treat them as usual breakpoints. The only tricky part is realizing + * that there can be more than one breakpoint per symbol. + * + * The case that we don't have the stub symbols available is harder. + * The following scheme uses two kinds of PLT breakpoints: unresolved + * and resolved (to some address). When the process starts (or when + * we attach), we distribute unresolved PLT breakpoints to the PLT + * entries (not stubs). Then we look in .plt, and for each entry + * whose value is different than the corresponding PLT entry address, + * we assume it was already resolved, and convert the breakpoint to + * resolved. We also rewrite the resolved value in .plt back to the + * PLT address. + * + * When a PLT entry hits a resolved breakpoint (which happens because + * we rewrite .plt with the original unresolved addresses), we move + * the instruction pointer to the corresponding address and continue + * the process as if nothing happened. + * + * When unresolved PLT entry is called for the first time, we need to + * catch the new value that the resolver will write to a .plt slot. + * We also need to prevent another thread from racing through and + * taking the branch without ltrace noticing. So when unresolved PLT + * entry hits, we have to stop all threads. We then single-step + * through the resolver, until the .plt slot changes. When it does, + * we treat it the same way as above: convert the PLT breakpoint to + * resolved, and rewrite the .plt value back to PLT address. We then + * start all threads again. + * + * As an optimization, we remember the address where the address was + * resolved, and put a breakpoint there. The next time around (when + * the next PLT entry is to be resolved), instead of single-stepping + * through half the dynamic linker, we just let the thread run and hit + * this breakpoint. When it hits, we know the PLT entry was resolved. + * + * XXX TODO If we have hardware watch point, we might put a read watch + * on .plt slot, and discover the offenders this way. I don't know + * the details, but I assume at most a handful (like, one or two, if + * available at all) addresses may be watched at a time, and thus this + * would be used as an amendment of the above rather than full-on + * solution to PLT tracing on PPC. + */ + +#define PPC_PLT_STUB_SIZE 16 +#define PPC64_PLT_STUB_SIZE 8 //xxx + +static inline int +host_powerpc64() +{ +#ifdef __powerpc64__ + return 1; +#else + return 0; +#endif +} + +int +read_target_4(struct Process *proc, arch_addr_t addr, uint32_t *lp) +{ + unsigned long l = ptrace(PTRACE_PEEKTEXT, proc->pid, addr, 0); + if (l == -1UL && errno) + return -1; +#ifdef __powerpc64__ + l >>= 32; +#endif + *lp = l; + return 0; +} + +static int +read_target_8(struct Process *proc, arch_addr_t addr, uint64_t *lp) +{ + unsigned long l = ptrace(PTRACE_PEEKTEXT, proc->pid, addr, 0); + if (l == -1UL && errno) + return -1; + if (host_powerpc64()) { + *lp = l; + } else { + unsigned long l2 = ptrace(PTRACE_PEEKTEXT, proc->pid, + addr + 4, 0); + if (l2 == -1UL && errno) + return -1; + *lp = ((uint64_t)l << 32) | l2; + } + return 0; +} + +int +read_target_long(struct Process *proc, arch_addr_t addr, uint64_t *lp) +{ + if (proc->e_machine == EM_PPC) { + uint32_t w; + int ret = read_target_4(proc, addr, &w); + if (ret >= 0) + *lp = (uint64_t)w; + return ret; + } else { + return read_target_8(proc, addr, lp); + } +} + +static void +mark_as_resolved(struct library_symbol *libsym, GElf_Addr value) +{ + libsym->arch.type = PPC_PLT_RESOLVED; + libsym->arch.resolved_value = value; +} + +void +arch_dynlink_done(struct Process *proc) +{ + /* On PPC32 with BSS PLT, we need to enable delayed symbols. */ + struct library_symbol *libsym = NULL; + while ((libsym = proc_each_symbol(proc, libsym, + library_symbol_delayed_cb, NULL))) { + if (read_target_8(proc, libsym->enter_addr, + &libsym->arch.resolved_value) < 0) { + fprintf(stderr, + "couldn't read PLT value for %s(%p): %s\n", + libsym->name, libsym->enter_addr, + strerror(errno)); + return; + } + + /* arch_dynlink_done is called on attach as well. In + * that case some slots will have been resolved + * already. Unresolved PLT looks like this: + * + * : li r11,0 + * : b "resolve" + * + * "resolve" is another address in PLTGOT (the same + * block that all the PLT slots are it). When + * resolved, it looks either this way: + * + * : b 0xfea88d0 + * + * Which is easy to detect. It can also look this + * way: + * + * : li r11,0 + * : b "dispatch" + * + * The "dispatch" address lies in PLTGOT as well. In + * current GNU toolchain, "dispatch" address is the + * same as PLTGOT address. We rely on this to figure + * out whether the address is resolved or not. */ + uint32_t insn1 = libsym->arch.resolved_value >> 32; + uint32_t insn2 = (uint32_t)libsym->arch.resolved_value; + if ((insn1 & BRANCH_MASK) == B_INSN + || ((insn2 & BRANCH_MASK) == B_INSN + /* XXX double cast */ + && (ppc_branch_dest(libsym->enter_addr + 4, insn2) + == (void*)(long)libsym->lib->arch.pltgot_addr))) + mark_as_resolved(libsym, libsym->arch.resolved_value); + + if (proc_activate_delayed_symbol(proc, libsym) < 0) + return; + + /* XXX double cast */ + libsym->arch.plt_slot_addr + = (GElf_Addr)(uintptr_t)libsym->enter_addr; + } +} GElf_Addr -arch_plt_sym_val(struct ltelf *lte, size_t ndx, GElf_Rela * rela) { - return rela->r_offset; +arch_plt_sym_val(struct ltelf *lte, size_t ndx, GElf_Rela *rela) +{ + if (lte->ehdr.e_machine == EM_PPC && lte->arch.secure_plt) { + assert(lte->arch.plt_stub_vma != 0); + return lte->arch.plt_stub_vma + PPC_PLT_STUB_SIZE * ndx; + + } else if (lte->ehdr.e_machine == EM_PPC) { + return rela->r_offset; + + } else { + /* If we get here, we don't have stub symbols. In + * that case we put brakpoints to PLT entries the same + * as the PPC32 secure PLT case does. */ + assert(lte->arch.plt_stub_vma != 0); + return lte->arch.plt_stub_vma + PPC64_PLT_STUB_SIZE * ndx; + } +} + +/* This entry point is called when ltelf is not available + * anymore--during runtime. At that point we don't have to concern + * ourselves with bias, as the values in OPD have been resolved + * already. */ +int +arch_translate_address_dyn(struct Process *proc, + arch_addr_t addr, arch_addr_t *ret) +{ + if (proc->e_machine == EM_PPC64) { + uint64_t value; + if (read_target_8(proc, addr, &value) < 0) { + fprintf(stderr, + "dynamic .opd translation of %p: %s\n", + addr, strerror(errno)); + return -1; + } + /* XXX The double cast should be removed when + * arch_addr_t becomes integral type. */ + *ret = (arch_addr_t)(uintptr_t)value; + return 0; + } + + *ret = addr; + return 0; +} + +int +arch_translate_address(struct ltelf *lte, + arch_addr_t addr, arch_addr_t *ret) +{ + if (lte->ehdr.e_machine == EM_PPC64) { + /* XXX The double cast should be removed when + * arch_addr_t becomes integral type. */ + GElf_Xword offset + = (GElf_Addr)(uintptr_t)addr - lte->arch.opd_base; + uint64_t value; + if (elf_read_u64(lte->arch.opd_data, offset, &value) < 0) { + fprintf(stderr, "static .opd translation of %p: %s\n", + addr, elf_errmsg(-1)); + return -1; + } + *ret = (arch_addr_t)(uintptr_t)(value + lte->bias); + return 0; + } + + *ret = addr; + return 0; +} + +static int +load_opd_data(struct ltelf *lte, struct library *lib) +{ + Elf_Scn *sec; + GElf_Shdr shdr; + if (elf_get_section_named(lte, ".opd", &sec, &shdr) < 0) { + fail: + fprintf(stderr, "couldn't find .opd data\n"); + return -1; + } + + lte->arch.opd_data = elf_rawdata(sec, NULL); + if (lte->arch.opd_data == NULL) + goto fail; + + lte->arch.opd_base = shdr.sh_addr + lte->bias; + lte->arch.opd_size = shdr.sh_size; + + return 0; } void * -sym2addr(Process *proc, struct library_symbol *sym) { - void *addr = sym->enter_addr; - long pt_ret; +sym2addr(struct Process *proc, struct library_symbol *sym) +{ + return sym->enter_addr; +} - debug(3, 0); +static GElf_Addr +get_glink_vma(struct ltelf *lte, GElf_Addr ppcgot, Elf_Data *plt_data) +{ + Elf_Scn *ppcgot_sec = NULL; + GElf_Shdr ppcgot_shdr; + if (ppcgot != 0 + && elf_get_section_covering(lte, ppcgot, + &ppcgot_sec, &ppcgot_shdr) < 0) + fprintf(stderr, + "DT_PPC_GOT=%#"PRIx64", but no such section found\n", + ppcgot); - if (sym->plt_type != LS_TOPLT_POINT) { - return addr; + if (ppcgot_sec != NULL) { + Elf_Data *data = elf_loaddata(ppcgot_sec, &ppcgot_shdr); + if (data == NULL || data->d_size < 8 ) { + fprintf(stderr, "couldn't read GOT data\n"); + } else { + // where PPCGOT begins in .got + size_t offset = ppcgot - ppcgot_shdr.sh_addr; + assert(offset % 4 == 0); + uint32_t glink_vma; + if (elf_read_u32(data, offset + 4, &glink_vma) < 0) { + fprintf(stderr, "couldn't read glink VMA" + " address at %zd@GOT\n", offset); + return 0; + } + if (glink_vma != 0) { + debug(1, "PPC GOT glink_vma address: %#" PRIx32, + glink_vma); + return (GElf_Addr)glink_vma; + } + } } - if (proc->pid == 0) { + if (plt_data != NULL) { + uint32_t glink_vma; + if (elf_read_u32(plt_data, 0, &glink_vma) < 0) { + fprintf(stderr, "couldn't read glink VMA address\n"); + return 0; + } + debug(1, ".plt glink_vma address: %#" PRIx32, glink_vma); + return (GElf_Addr)glink_vma; + } + + return 0; +} + +static int +load_dynamic_entry(struct ltelf *lte, int tag, GElf_Addr *valuep) +{ + Elf_Scn *scn; + GElf_Shdr shdr; + if (elf_get_section_type(lte, SHT_DYNAMIC, &scn, &shdr) < 0 + || scn == NULL) { + fail: + fprintf(stderr, "Couldn't get SHT_DYNAMIC: %s\n", + elf_errmsg(-1)); + return -1; + } + + Elf_Data *data = elf_loaddata(scn, &shdr); + if (data == NULL) + goto fail; + + size_t j; + for (j = 0; j < shdr.sh_size / shdr.sh_entsize; ++j) { + GElf_Dyn dyn; + if (gelf_getdyn(data, j, &dyn) == NULL) + goto fail; + + if(dyn.d_tag == tag) { + *valuep = dyn.d_un.d_ptr; + return 0; + } + } + + return -1; +} + +static int +nonzero_data(Elf_Data *data) +{ + /* We are not supposed to get here if there's no PLT. */ + assert(data != NULL); + + unsigned char *buf = data->d_buf; + if (buf == NULL) return 0; + + size_t i; + for (i = 0; i < data->d_size; ++i) + if (buf[i] != 0) + return 1; + return 0; +} + +int +arch_elf_init(struct ltelf *lte, struct library *lib) +{ + if (lte->ehdr.e_machine == EM_PPC64 + && load_opd_data(lte, lib) < 0) + return -1; + + lte->arch.secure_plt = !(lte->plt_flags & SHF_EXECINSTR); + + /* For PPC32 BSS, it is important whether the binary was + * prelinked. If .plt section is NODATA, or if it contains + * zeroes, then this library is not prelinked, and we need to + * delay breakpoints. */ + if (lte->ehdr.e_machine == EM_PPC && !lte->arch.secure_plt) + lib->arch.bss_plt_prelinked = nonzero_data(lte->plt_data); + else + /* For cases where it's irrelevant, initialize the + * value to something conspicuous. */ + lib->arch.bss_plt_prelinked = -1; + + if (lte->ehdr.e_machine == EM_PPC && lte->arch.secure_plt) { + GElf_Addr ppcgot; + if (load_dynamic_entry(lte, DT_PPC_GOT, &ppcgot) < 0) { + fprintf(stderr, "couldn't find DT_PPC_GOT\n"); + return -1; + } + GElf_Addr glink_vma = get_glink_vma(lte, ppcgot, lte->plt_data); + + assert(lte->relplt_size % 12 == 0); + size_t count = lte->relplt_size / 12; // size of RELA entry + lte->arch.plt_stub_vma = glink_vma + - (GElf_Addr)count * PPC_PLT_STUB_SIZE; + debug(1, "stub_vma is %#" PRIx64, lte->arch.plt_stub_vma); + + } else if (lte->ehdr.e_machine == EM_PPC64) { + GElf_Addr glink_vma; + if (load_dynamic_entry(lte, DT_PPC64_GLINK, &glink_vma) < 0) { + fprintf(stderr, "couldn't find DT_PPC64_GLINK\n"); + return -1; + } + + /* The first glink stub starts at offset 32. */ + lte->arch.plt_stub_vma = glink_vma + 32; + + } else { + /* By exhaustion--PPC32 BSS. */ + if (load_dynamic_entry(lte, DT_PLTGOT, + &lib->arch.pltgot_addr) < 0) { + fprintf(stderr, "couldn't find DT_PLTGOT\n"); + return -1; + } + } + + /* On PPC64, look for stub symbols in symbol table. These are + * called: xxxxxxxx.plt_call.callee_name@version+addend. */ + if (lte->ehdr.e_machine == EM_PPC64 + && lte->symtab != NULL && lte->strtab != NULL) { + + /* N.B. We can't simply skip the symbols that we fail + * to read or malloc. There may be more than one stub + * per symbol name, and if we failed in one but + * succeeded in another, the PLT enabling code would + * have no way to tell that something is missing. We + * could work around that, of course, but it doesn't + * seem worth the trouble. So if anything fails, we + * just pretend that we don't have stub symbols at + * all, as if the binary is stripped. */ + + size_t i; + for (i = 0; i < lte->symtab_count; ++i) { + GElf_Sym sym; + if (gelf_getsym(lte->symtab, i, &sym) == NULL) { + struct library_symbol *sym, *next; + fail: + for (sym = lte->arch.stubs; sym != NULL; ) { + next = sym->next; + library_symbol_destroy(sym); + free(sym); + sym = next; + } + lte->arch.stubs = NULL; + break; + } + + const char *name = lte->strtab + sym.st_name; + +#define STUBN ".plt_call." + if ((name = strstr(name, STUBN)) == NULL) + continue; + name += sizeof(STUBN) - 1; +#undef STUBN + + size_t len; + const char *ver = strchr(name, '@'); + if (ver != NULL) { + len = ver - name; + + } else { + /* If there is "+" at all, check that + * the symbol name ends in "+0". */ + const char *add = strrchr(name, '+'); + if (add != NULL) { + assert(strcmp(add, "+0") == 0); + len = add - name; + } else { + len = strlen(name); + } + } + + char *sym_name = strndup(name, len); + struct library_symbol *libsym = malloc(sizeof(*libsym)); + if (sym_name == NULL || libsym == NULL) { + fail2: + free(sym_name); + free(libsym); + goto fail; + } + + /* XXX The double cast should be removed when + * arch_addr_t becomes integral type. */ + arch_addr_t addr = (arch_addr_t) + (uintptr_t)sym.st_value + lte->bias; + if (library_symbol_init(libsym, addr, sym_name, 1, + LS_TOPLT_EXEC) < 0) + goto fail2; + libsym->arch.type = PPC64_PLT_STUB; + libsym->next = lte->arch.stubs; + lte->arch.stubs = libsym; + } + } + + return 0; +} + +static int +read_plt_slot_value(struct Process *proc, GElf_Addr addr, GElf_Addr *valp) +{ + /* On PPC64, we read from .plt, which contains 8 byte + * addresses. On PPC32 we read from .plt, which contains 4 + * byte instructions, but the PLT is two instructions, and + * either can change. */ + uint64_t l; + /* XXX double cast. */ + if (read_target_8(proc, (arch_addr_t)(uintptr_t)addr, &l) < 0) { + fprintf(stderr, "ptrace .plt slot value @%#" PRIx64": %s\n", + addr, strerror(errno)); + return -1; + } + + *valp = (GElf_Addr)l; + return 0; +} + +static int +unresolve_plt_slot(struct Process *proc, GElf_Addr addr, GElf_Addr value) +{ + /* We only modify plt_entry[0], which holds the resolved + * address of the routine. We keep the TOC and environment + * pointers intact. Hence the only adjustment that we need to + * do is to IP. */ + if (ptrace(PTRACE_POKETEXT, proc->pid, addr, value) < 0) { + fprintf(stderr, "failed to unresolve .plt slot: %s\n", + strerror(errno)); + return -1; + } + return 0; +} + +enum plt_status +arch_elf_add_plt_entry(struct Process *proc, struct ltelf *lte, + const char *a_name, GElf_Rela *rela, size_t ndx, + struct library_symbol **ret) +{ + if (lte->ehdr.e_machine == EM_PPC) { + if (lte->arch.secure_plt) + return plt_default; + + struct library_symbol *libsym = NULL; + if (default_elf_add_plt_entry(proc, lte, a_name, rela, ndx, + &libsym) < 0) + return plt_fail; + + /* On PPC32 with BSS PLT, delay the symbol until + * dynamic linker is done. */ + assert(!libsym->delayed); + libsym->delayed = 1; + + *ret = libsym; + return plt_ok; + } + + /* PPC64. If we have stubs, we return a chain of breakpoint + * sites, one for each stub that corresponds to this PLT + * entry. */ + struct library_symbol *chain = NULL; + struct library_symbol **symp; + for (symp = <e->arch.stubs; *symp != NULL; ) { + struct library_symbol *sym = *symp; + if (strcmp(sym->name, a_name) != 0) { + symp = &(*symp)->next; + continue; + } + + /* Re-chain the symbol from stubs to CHAIN. */ + *symp = sym->next; + sym->next = chain; + chain = sym; } - if (options.debug >= 3) { - xinfdump(proc->pid, (void *)(((long)addr-32)&0xfffffff0), - sizeof(void*)*8); + if (chain != NULL) { + *ret = chain; + return plt_ok; } - // On a PowerPC-64 system, a plt is three 64-bit words: the first is the - // 64-bit address of the routine. Before the PLT has been initialized, - // this will be 0x0. In fact, the symbol table won't have the plt's - // address even. Ater the PLT has been initialized, but before it has - // been resolved, the first word will be the address of the function in - // the dynamic linker that will reslove the PLT. After the PLT is - // resolved, this will will be the address of the routine whose symbol - // is in the symbol table. + /* We don't have stub symbols. Find corresponding .plt slot, + * and check whether it contains the corresponding PLT address + * (or 0 if the dynamic linker hasn't run yet). N.B. we don't + * want read this from ELF file, but from process image. That + * makes a difference if we are attaching to a running + * process. */ - // On a PowerPC-32 system, there are two types of PLTs: secure (new) and - // non-secure (old). For the secure case, the PLT is simply a pointer - // and we can treat it much as we do for the PowerPC-64 case. For the - // non-secure case, the PLT is executable code and we can put the - // break-point right in the PLT. + GElf_Addr plt_entry_addr = arch_plt_sym_val(lte, ndx, rela); + GElf_Addr plt_slot_addr = rela->r_offset; + assert(plt_slot_addr >= lte->plt_addr + || plt_slot_addr < lte->plt_addr + lte->plt_size); - pt_ret = ptrace(PTRACE_PEEKTEXT, proc->pid, addr, 0); + GElf_Addr plt_slot_value; + if (read_plt_slot_value(proc, plt_slot_addr, &plt_slot_value) < 0) + return plt_fail; + + char *name = strdup(a_name); + struct library_symbol *libsym = malloc(sizeof(*libsym)); + if (name == NULL || libsym == NULL) { + fprintf(stderr, "allocation for .plt slot: %s\n", + strerror(errno)); + fail: + free(name); + free(libsym); + return plt_fail; + } + + /* XXX The double cast should be removed when + * arch_addr_t becomes integral type. */ + if (library_symbol_init(libsym, + (arch_addr_t)(uintptr_t)plt_entry_addr, + name, 1, LS_TOPLT_EXEC) < 0) + goto fail; + libsym->arch.plt_slot_addr = plt_slot_addr; + + if (plt_slot_value == plt_entry_addr || plt_slot_value == 0) { + libsym->arch.type = PPC_PLT_UNRESOLVED; + libsym->arch.resolved_value = plt_entry_addr; - if (proc->mask_32bit) { - // Assume big-endian. - addr = (void *)((pt_ret >> 32) & 0xffffffff); } else { - addr = (void *)pt_ret; + /* Unresolve the .plt slot. If the binary was + * prelinked, this makes the code invalid, because in + * case of prelinked binary, the dynamic linker + * doesn't update .plt[0] and .plt[1] with addresses + * of the resover. But we don't care, we will never + * need to enter the resolver. That just means that + * we have to un-un-resolve this back before we + * detach. */ + + if (unresolve_plt_slot(proc, plt_slot_addr, plt_entry_addr) < 0) { + library_symbol_destroy(libsym); + goto fail; + } + mark_as_resolved(libsym, plt_slot_value); + } + + *ret = libsym; + return plt_ok; +} + +void +arch_elf_destroy(struct ltelf *lte) +{ + struct library_symbol *sym; + for (sym = lte->arch.stubs; sym != NULL; ) { + struct library_symbol *next = sym->next; + library_symbol_destroy(sym); + free(sym); + sym = next; + } +} + +static void +dl_plt_update_bp_on_hit(struct breakpoint *bp, struct Process *proc) +{ + debug(DEBUG_PROCESS, "pid=%d dl_plt_update_bp_on_hit %s(%p)", + proc->pid, breakpoint_name(bp), bp->addr); + struct process_stopping_handler *self = proc->arch.handler; + assert(self != NULL); + + struct library_symbol *libsym = self->breakpoint_being_enabled->libsym; + GElf_Addr value; + if (read_plt_slot_value(proc, libsym->arch.plt_slot_addr, &value) < 0) + return; + + /* On PPC64, we rewrite the slot value. */ + if (proc->e_machine == EM_PPC64) + unresolve_plt_slot(proc, libsym->arch.plt_slot_addr, + libsym->arch.resolved_value); + /* We mark the breakpoint as resolved on both arches. */ + mark_as_resolved(libsym, value); + + /* cb_on_all_stopped looks if HANDLER is set to NULL as a way + * to check that this was run. It's an error if it + * wasn't. */ + proc->arch.handler = NULL; + + breakpoint_turn_off(bp, proc); +} + +static void +cb_on_all_stopped(struct process_stopping_handler *self) +{ + /* Put that in for dl_plt_update_bp_on_hit to see. */ + assert(self->task_enabling_breakpoint->arch.handler == NULL); + self->task_enabling_breakpoint->arch.handler = self; + + linux_ptrace_disable_and_continue(self); +} + +static enum callback_status +cb_keep_stepping_p(struct process_stopping_handler *self) +{ + struct Process *proc = self->task_enabling_breakpoint; + struct library_symbol *libsym = self->breakpoint_being_enabled->libsym; + + GElf_Addr value; + if (read_plt_slot_value(proc, libsym->arch.plt_slot_addr, &value) < 0) + return CBS_FAIL; + + /* In UNRESOLVED state, the RESOLVED_VALUE in fact contains + * the PLT entry value. */ + if (value == libsym->arch.resolved_value) + return CBS_CONT; + + debug(DEBUG_PROCESS, "pid=%d PLT got resolved to value %#"PRIx64, + proc->pid, value); + + /* The .plt slot got resolved! We can migrate the breakpoint + * to RESOLVED and stop single-stepping. */ + if (proc->e_machine == EM_PPC64 + && unresolve_plt_slot(proc, libsym->arch.plt_slot_addr, + libsym->arch.resolved_value) < 0) + return CBS_FAIL; + + /* Resolving on PPC64 consists of overwriting a doubleword in + * .plt. That doubleword is than read back by a stub, and + * jumped on. Hopefully we can assume that double word update + * is done on a single place only, as it contains a final + * address. We still need to look around for any sync + * instruction, but essentially it is safe to optimize away + * the single stepping next time and install a post-update + * breakpoint. + * + * The situation on PPC32 BSS is more complicated. The + * dynamic linker here updates potentially several + * instructions (XXX currently we assume two) and the rules + * are more complicated. Sometimes it's enough to adjust just + * one of the addresses--the logic for generating optimal + * dispatch depends on relative addresses of the .plt entry + * and the jump destination. We can't assume that the some + * instruction block does the update every time. So on PPC32, + * we turn the optimization off and just step through it each + * time. */ + if (proc->e_machine == EM_PPC) + goto done; + + /* Install breakpoint to the address where the change takes + * place. If we fail, then that just means that we'll have to + * singlestep the next time around as well. */ + struct Process *leader = proc->leader; + if (leader == NULL || leader->arch.dl_plt_update_bp != NULL) + goto done; + + /* We need to install to the next instruction. ADDR points to + * a store instruction, so moving the breakpoint one + * instruction forward is safe. */ + arch_addr_t addr = get_instruction_pointer(proc) + 4; + leader->arch.dl_plt_update_bp = insert_breakpoint(proc, addr, NULL); + if (leader->arch.dl_plt_update_bp == NULL) + goto done; + + static struct bp_callbacks dl_plt_update_cbs = { + .on_hit = dl_plt_update_bp_on_hit, + }; + leader->arch.dl_plt_update_bp->cbs = &dl_plt_update_cbs; + + /* Turn it off for now. We will turn it on again when we hit + * the PLT entry that needs this. */ + breakpoint_turn_off(leader->arch.dl_plt_update_bp, proc); + +done: + mark_as_resolved(libsym, value); + + return CBS_STOP; +} + +static void +jump_to_entry_point(struct Process *proc, struct breakpoint *bp) +{ + /* XXX The double cast should be removed when + * arch_addr_t becomes integral type. */ + arch_addr_t rv = (arch_addr_t) + (uintptr_t)bp->libsym->arch.resolved_value; + set_instruction_pointer(proc, rv); +} + +static void +ppc_plt_bp_continue(struct breakpoint *bp, struct Process *proc) +{ + switch (bp->libsym->arch.type) { + struct Process *leader; + void (*on_all_stopped)(struct process_stopping_handler *); + enum callback_status (*keep_stepping_p) + (struct process_stopping_handler *); + + case PPC_DEFAULT: + assert(proc->e_machine == EM_PPC); + assert(bp->libsym != NULL); + assert(bp->libsym->lib->arch.bss_plt_prelinked == 0); + /* Fall through. */ + + case PPC_PLT_UNRESOLVED: + on_all_stopped = NULL; + keep_stepping_p = NULL; + leader = proc->leader; + + if (leader != NULL && leader->arch.dl_plt_update_bp != NULL + && breakpoint_turn_on(leader->arch.dl_plt_update_bp, + proc) >= 0) + on_all_stopped = cb_on_all_stopped; + else + keep_stepping_p = cb_keep_stepping_p; + + if (process_install_stopping_handler + (proc, bp, on_all_stopped, keep_stepping_p, NULL) < 0) { + fprintf(stderr, "ppc_plt_bp_continue: " + "couldn't install event handler\n"); + continue_after_breakpoint(proc, bp); + } + return; + + case PPC_PLT_RESOLVED: + if (proc->e_machine == EM_PPC) { + continue_after_breakpoint(proc, bp); + return; + } + + jump_to_entry_point(proc, bp); + continue_process(proc->pid); + return; + + case PPC64_PLT_STUB: + /* These should never hit here. */ + break; + } + + assert(bp->libsym->arch.type != bp->libsym->arch.type); + abort(); +} + +/* When a process is in a PLT stub, it may have already read the data + * in .plt that we changed. If we detach now, it will jump to PLT + * entry and continue to the dynamic linker, where it will SIGSEGV, + * because zeroth .plt slot is not filled in prelinked binaries, and + * the dynamic linker needs that data. Moreover, the process may + * actually have hit the breakpoint already. This functions tries to + * detect both cases and do any fix-ups necessary to mend this + * situation. */ +static enum callback_status +detach_task_cb(struct Process *task, void *data) +{ + struct breakpoint *bp = data; + + if (get_instruction_pointer(task) == bp->addr) { + debug(DEBUG_PROCESS, "%d at %p, which is PLT slot", + task->pid, bp->addr); + jump_to_entry_point(task, bp); + return CBS_CONT; } - return addr; + /* XXX There's still a window of several instructions where we + * might catch the task inside a stub such that it has already + * read destination address from .plt, but hasn't jumped yet, + * thus avoiding the breakpoint. */ + + return CBS_CONT; +} + +static void +ppc_plt_bp_retract(struct breakpoint *bp, struct Process *proc) +{ + /* On PPC64, we rewrite .plt with PLT entry addresses. This + * needs to be undone. Unfortunately, the program may have + * made decisions based on that value */ + if (proc->e_machine == EM_PPC64 + && bp->libsym != NULL + && bp->libsym->arch.type == PPC_PLT_RESOLVED) { + each_task(proc->leader, NULL, detach_task_cb, bp); + unresolve_plt_slot(proc, bp->libsym->arch.plt_slot_addr, + bp->libsym->arch.resolved_value); + } +} + +void +arch_library_init(struct library *lib) +{ +} + +void +arch_library_destroy(struct library *lib) +{ +} + +void +arch_library_clone(struct library *retp, struct library *lib) +{ +} + +int +arch_library_symbol_init(struct library_symbol *libsym) +{ + /* We set type explicitly in the code above, where we have the + * necessary context. This is for calls from ltrace-elf.c and + * such. */ + libsym->arch.type = PPC_DEFAULT; + return 0; +} + +void +arch_library_symbol_destroy(struct library_symbol *libsym) +{ +} + +int +arch_library_symbol_clone(struct library_symbol *retp, + struct library_symbol *libsym) +{ + retp->arch = libsym->arch; + return 0; +} + +/* For some symbol types, we need to set up custom callbacks. XXX we + * don't need PROC here, we can store the data in BP if it is of + * interest to us. */ +int +arch_breakpoint_init(struct Process *proc, struct breakpoint *bp) +{ + /* Artificial and entry-point breakpoints are plain. */ + if (bp->libsym == NULL || bp->libsym->plt_type != LS_TOPLT_EXEC) + return 0; + + /* On PPC, secure PLT and prelinked BSS PLT are plain. */ + if (proc->e_machine == EM_PPC + && bp->libsym->lib->arch.bss_plt_prelinked != 0) + return 0; + + /* On PPC64, stub PLT breakpoints are plain. */ + if (proc->e_machine == EM_PPC64 + && bp->libsym->arch.type == PPC64_PLT_STUB) + return 0; + + static struct bp_callbacks cbs = { + .on_continue = ppc_plt_bp_continue, + .on_retract = ppc_plt_bp_retract, + }; + breakpoint_set_callbacks(bp, &cbs); + return 0; +} + +void +arch_breakpoint_destroy(struct breakpoint *bp) +{ +} + +int +arch_breakpoint_clone(struct breakpoint *retp, struct breakpoint *sbp) +{ + retp->arch = sbp->arch; + return 0; +} + +int +arch_process_init(struct Process *proc) +{ + proc->arch.dl_plt_update_bp = NULL; + proc->arch.handler = NULL; + return 0; +} + +void +arch_process_destroy(struct Process *proc) +{ +} + +int +arch_process_clone(struct Process *retp, struct Process *proc) +{ + retp->arch = proc->arch; + return 0; +} + +int +arch_process_exec(struct Process *proc) +{ + return arch_process_init(proc); } diff --git a/sysdeps/linux-gnu/ppc/ptrace.h b/sysdeps/linux-gnu/ppc/ptrace.h index c3cbcb6..57c230c 100644 --- a/sysdeps/linux-gnu/ppc/ptrace.h +++ b/sysdeps/linux-gnu/ppc/ptrace.h @@ -1 +1,21 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2010 Petr Machata, Red Hat Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include diff --git a/sysdeps/linux-gnu/ppc/regs.c b/sysdeps/linux-gnu/ppc/regs.c index eca58ff..37f89a4 100644 --- a/sysdeps/linux-gnu/ppc/regs.c +++ b/sysdeps/linux-gnu/ppc/regs.c @@ -1,9 +1,34 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2002,2008,2009 Juan Cespedes + * Copyright (C) 2009 Juan Cespedes + * Copyright (C) 2008 Luis Machado, IBM Corporation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include "config.h" #include #include #include +#include +#include +#include "proc.h" #include "common.h" #if (!defined(PTRACE_PEEKUSER) && defined(PTRACE_PEEKUSR)) @@ -20,8 +45,10 @@ get_instruction_pointer(Process *proc) { } void -set_instruction_pointer(Process *proc, void *addr) { - ptrace(PTRACE_POKEUSER, proc->pid, sizeof(long)*PT_NIP, addr); +set_instruction_pointer(Process *proc, void *addr) +{ + if (ptrace(PTRACE_POKEUSER, proc->pid, sizeof(long)*PT_NIP, addr) != 0) + error(0, errno, "set_instruction_pointer"); } void * diff --git a/sysdeps/linux-gnu/ppc/signalent.h b/sysdeps/linux-gnu/ppc/signalent.h index d58a36c..9b8baa0 100644 --- a/sysdeps/linux-gnu/ppc/signalent.h +++ b/sysdeps/linux-gnu/ppc/signalent.h @@ -1,3 +1,23 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + "SIG_0", /* 0 */ "SIGHUP", /* 1 */ "SIGINT", /* 2 */ diff --git a/sysdeps/linux-gnu/ppc/syscallent.h b/sysdeps/linux-gnu/ppc/syscallent.h index 5ce5739..6989e81 100644 --- a/sysdeps/linux-gnu/ppc/syscallent.h +++ b/sysdeps/linux-gnu/ppc/syscallent.h @@ -1,4 +1,25 @@ -"0", /* 0 */ +/* + * This file is part of ltrace. + * Copyright (C) 2012 Petr Machata, Red Hat Inc. + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + + "restart_syscall", /* 0 */ "exit", /* 1 */ "fork", /* 2 */ "read", /* 3 */ @@ -177,8 +198,8 @@ "rt_sigtimedwait", /* 176 */ "rt_sigqueueinfo", /* 177 */ "rt_sigsuspend", /* 178 */ - "pread", /* 179 */ - "pwrite", /* 180 */ + "pread64", /* 179 */ + "pwrite64", /* 180 */ "chown", /* 181 */ "getcwd", /* 182 */ "capget", /* 183 */ @@ -254,6 +275,12 @@ "fstatfs64", /* 253 */ "fadvise64_64", /* 254 */ "rtas", /* 255 */ + "sys_debug_setcontext", /* 256 */ + "server", /* 257 */ + "migrate_pages", /* 258 */ + "mbind", /* 259 */ + "get_mempolicy", /* 260 */ + "set_mempolicy", /* 261 */ "mq_open", /* 262 */ "mq_unlink", /* 263 */ "mq_timedsend", /* 264 */ @@ -270,3 +297,78 @@ "inotify_init", /* 275 */ "inotify_add_watch", /* 276 */ "inotify_rm_watch", /* 277 */ + "spu_run", /* 278 */ + "spu_create", /* 279 */ + "pselect6", /* 280 */ + "ppoll", /* 281 */ + "unshare", /* 282 */ + "splice", /* 283 */ + "tee", /* 284 */ + "vmsplice", /* 285 */ + "openat", /* 286 */ + "mkdirat", /* 287 */ + "mknodat", /* 288 */ + "fchownat", /* 289 */ + "futimesat", /* 290 */ + "fstatat64", /* 291 */ + "unlinkat", /* 292 */ + "renameat", /* 293 */ + "linkat", /* 294 */ + "symlinkat", /* 295 */ + "readlinkat", /* 296 */ + "fchmodat", /* 297 */ + "faccessat", /* 298 */ + "get_robust_list", /* 299 */ + "set_robust_list", /* 300 */ + "move_pages", /* 301 */ + "getcpu", /* 302 */ + "epoll_pwait", /* 303 */ + "utimensat", /* 304 */ + "signalfd", /* 305 */ + "timerfd_create", /* 306 */ + "eventfd", /* 307 */ + "sync_file_range2", /* 308 */ + "fallocate", /* 309 */ + "subpage_prot", /* 310 */ + "timerfd_settime", /* 311 */ + "timerfd_gettime", /* 312 */ + "signalfd4", /* 313 */ + "eventfd2", /* 314 */ + "epoll_create1", /* 315 */ + "dup3", /* 316 */ + "pipe2", /* 317 */ + "inotify_init1", /* 318 */ + "perf_event_open", /* 319 */ + "preadv", /* 320 */ + "pwritev", /* 321 */ + "rt_tgsigqueueinfo", /* 322 */ + "fanotify_init", /* 323 */ + "fanotify_mark", /* 324 */ + "prlimit64", /* 325 */ + "socket", /* 326 */ + "bind", /* 327 */ + "connect", /* 328 */ + "listen", /* 329 */ + "accept", /* 330 */ + "getsockname", /* 331 */ + "getpeername", /* 332 */ + "socketpair", /* 333 */ + "send", /* 334 */ + "sendto", /* 335 */ + "recv", /* 336 */ + "recvfrom", /* 337 */ + "shutdown", /* 338 */ + "setsockopt", /* 339 */ + "getsockopt", /* 340 */ + "sendmsg", /* 341 */ + "recvmsg", /* 342 */ + "recvmmsg", /* 343 */ + "accept4", /* 344 */ + "name_to_handle_at", /* 345 */ + "open_by_handle_at", /* 346 */ + "clock_adjtime", /* 347 */ + "syncfs", /* 348 */ + "sendmmsg", /* 349 */ + "setns", /* 350 */ + "process_vm_readv", /* 351 */ + "process_writev", /* 352 */ diff --git a/sysdeps/linux-gnu/ppc/trace.c b/sysdeps/linux-gnu/ppc/trace.c index 81fb71d..4357a1e 100644 --- a/sysdeps/linux-gnu/ppc/trace.c +++ b/sysdeps/linux-gnu/ppc/trace.c @@ -1,14 +1,44 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2010,2012 Petr Machata, Red Hat Inc. + * Copyright (C) 2011 Andreas Schwab + * Copyright (C) 2002,2004,2008,2009 Juan Cespedes + * Copyright (C) 2008 Luis Machado, IBM Corporation + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include "config.h" -#include -#include -#include -#include -#include +#include #include #include +#include +#include +#include +#include +#include "backend.h" +#include "breakpoint.h" #include "common.h" +#include "insn.h" +#include "proc.h" +#include "ptrace.h" +#include "type.h" #if (!defined(PTRACE_PEEKUSER) && defined(PTRACE_PEEKUSR)) # define PTRACE_PEEKUSER PTRACE_PEEKUSR @@ -21,20 +51,13 @@ void get_arch_dep(Process *proc) { #ifdef __powerpc64__ - if (proc->arch_ptr) - return; proc->mask_32bit = (proc->e_machine == EM_PPC); - proc->arch_ptr = (void *)1; #endif } -/* Returns 1 if syscall, 2 if sysret, 0 otherwise. */ #define SYSCALL_INSN 0x44000002 -unsigned int greg = 3; -unsigned int freg = 1; -unsigned int vreg = 2; - +/* Returns 1 if syscall, 2 if sysret, 0 otherwise. */ int syscall_p(Process *proc, int status, int *sysnum) { if (WIFSTOPPED(status) @@ -59,97 +82,167 @@ syscall_p(Process *proc, int status, int *sysnum) { return 0; } -/* Grab functions arguments based on the PPC64 ABI. */ -long -gimme_arg(enum tof type, Process *proc, int arg_num, arg_type_info *info) { - long data; - - if (type == LT_TOF_FUNCTIONR) { - if (info->type == ARGTYPE_FLOAT || info->type == ARGTYPE_DOUBLE) - return ptrace (PTRACE_PEEKUSER, proc->pid, - sizeof (long) * (PT_FPR0 + 1), 0); - else - return ptrace (PTRACE_PEEKUSER, proc->pid, - sizeof (long) * PT_R3, 0); - } +/* The atomic skip code is mostly taken from GDB. */ - /* Check if we're entering a new function call to list parameters. If - so, initialize the register control variables to keep track of where - the parameters were stored. */ - if (type == LT_TOF_FUNCTION && arg_num == 0) { - /* Initialize the set of registrers for parameter passing. */ - greg = 3; - freg = 1; - vreg = 2; +/* In plt.h. XXX make this official interface. */ +int read_target_4(struct Process *proc, arch_addr_t addr, uint32_t *lp); + +int +arch_atomic_singlestep(struct Process *proc, struct breakpoint *sbp, + int (*add_cb)(void *addr, void *data), + void *add_cb_data) +{ + arch_addr_t ip = get_instruction_pointer(proc); + struct breakpoint *other = address2bpstruct(proc->leader, ip); + + debug(1, "arch_atomic_singlestep pid=%d addr=%p %s(%p)", + proc->pid, ip, breakpoint_name(sbp), sbp->addr); + + /* If the original instruction was lwarx/ldarx, we can't + * single-step over it, instead we have to execute the whole + * atomic block at once. */ + union { + uint32_t insn; + char buf[BREAKPOINT_LENGTH]; + } u; + if (other != NULL) { + memcpy(u.buf, sbp->orig_value, BREAKPOINT_LENGTH); + } else if (read_target_4(proc, ip, &u.insn) < 0) { + fprintf(stderr, "couldn't read instruction at IP %p\n", ip); + /* Do the normal singlestep. */ + return 1; } - if (info->type == ARGTYPE_FLOAT || info->type == ARGTYPE_DOUBLE) { - if (freg <= 13 || (proc->mask_32bit && freg <= 8)) { - data = ptrace (PTRACE_PEEKUSER, proc->pid, - sizeof (long) * (PT_FPR0 + freg), 0); - - if (info->type == ARGTYPE_FLOAT) { - /* float values passed in FP registers are automatically - promoted to double. We need to convert it back to float - before printing. */ - union { long val; float fval; double dval; } cvt; - cvt.val = data; - cvt.fval = (float) cvt.dval; - data = cvt.val; - } + if ((u.insn & LWARX_MASK) != LWARX_INSTRUCTION + && (u.insn & LWARX_MASK) != LDARX_INSTRUCTION) + return 1; + + debug(1, "singlestep over atomic block at %p", ip); + + int insn_count; + arch_addr_t addr = ip; + for (insn_count = 0; ; ++insn_count) { + addr += 4; + unsigned long l = ptrace(PTRACE_PEEKTEXT, proc->pid, addr, 0); + if (l == (unsigned long)-1 && errno) + return -1; + uint32_t insn; +#ifdef __powerpc64__ + insn = l >> 32; +#else + insn = l; +#endif - freg++; - greg++; + /* If a conditional branch is found, put a breakpoint + * in its destination address. */ + if ((insn & BRANCH_MASK) == BC_INSN) { + arch_addr_t branch_addr = ppc_branch_dest(addr, insn); + debug(1, "pid=%d, branch in atomic block from %p to %p", + proc->pid, addr, branch_addr); + if (add_cb(branch_addr, add_cb_data) < 0) + return -1; + } - return data; + /* Assume that the atomic sequence ends with a + * stwcx/stdcx instruction. */ + if ((insn & STWCX_MASK) == STWCX_INSTRUCTION + || (insn & STWCX_MASK) == STDCX_INSTRUCTION) { + debug(1, "pid=%d, found end of atomic block %p at %p", + proc->pid, ip, addr); + break; } - } - else if (greg <= 10) { - data = ptrace (PTRACE_PEEKUSER, proc->pid, - sizeof (long) * greg, 0); - greg++; - return data; + /* Arbitrary cut-off. If we didn't find the + * terminating instruction by now, just give up. */ + if (insn_count > 16) { + fprintf(stderr, "[%d] couldn't find end of atomic block" + " at %p\n", proc->pid, ip); + return -1; + } } - else - return ptrace (PTRACE_PEEKDATA, proc->pid, - proc->stack_pointer + sizeof (long) * - (arg_num - 8), 0); + /* Put the breakpoint to the next instruction. */ + addr += 4; + if (add_cb(addr, add_cb_data) < 0) + return -1; + + debug(1, "PTRACE_CONT"); + ptrace(PTRACE_CONT, proc->pid, 0, 0); return 0; } -void -save_register_args(enum tof type, Process *proc) { +size_t +arch_type_sizeof(struct Process *proc, struct arg_type_info *info) +{ + if (proc == NULL) + return (size_t)-2; + + switch (info->type) { + case ARGTYPE_VOID: + return 0; + + case ARGTYPE_CHAR: + return 1; + + case ARGTYPE_SHORT: + case ARGTYPE_USHORT: + return 2; + + case ARGTYPE_INT: + case ARGTYPE_UINT: + return 4; + + case ARGTYPE_LONG: + case ARGTYPE_ULONG: + case ARGTYPE_POINTER: + return proc->e_machine == EM_PPC64 ? 8 : 4; + + case ARGTYPE_FLOAT: + return 4; + case ARGTYPE_DOUBLE: + return 8; + + case ARGTYPE_ARRAY: + case ARGTYPE_STRUCT: + /* Use default value. */ + return (size_t)-2; + + default: + assert(info->type != info->type); + abort(); + break; + } } -/* Read a single long from the process's memory address 'addr'. */ -int -arch_umovelong (Process *proc, void *addr, long *result, arg_type_info *info) { - long pointed_to; - - errno = 0; - - pointed_to = ptrace (PTRACE_PEEKTEXT, proc->pid, addr, 0); - - if (pointed_to == -1 && errno) - return -errno; - - /* Since int's are 4-bytes (long is 8-bytes) in length for ppc64, we - need to shift the long values returned by ptrace to end up with - the correct value. */ - - if (info) { - if (info->type == ARGTYPE_INT || (proc->mask_32bit && (info->type == ARGTYPE_POINTER - || info->type == ARGTYPE_STRING))) { - pointed_to = pointed_to >> 32; - - /* Make sure we have nothing in the upper word so we can - do a explicit cast from long to int later in the code. */ - pointed_to &= 0x00000000ffffffff; - } +size_t +arch_type_alignof(struct Process *proc, struct arg_type_info *info) +{ + if (proc == NULL) + return (size_t)-2; + + switch (info->type) { + default: + assert(info->type != info->type); + abort(); + break; + + case ARGTYPE_CHAR: + case ARGTYPE_SHORT: + case ARGTYPE_USHORT: + case ARGTYPE_INT: + case ARGTYPE_UINT: + case ARGTYPE_LONG: + case ARGTYPE_ULONG: + case ARGTYPE_POINTER: + case ARGTYPE_FLOAT: + case ARGTYPE_DOUBLE: + /* On both PPC and PPC64, fundamental types have the + * same alignment as size. */ + return arch_type_sizeof(proc, info); + + case ARGTYPE_ARRAY: + case ARGTYPE_STRUCT: + /* Use default value. */ + return (size_t)-2; } - - *result = pointed_to; - return 0; } diff --git a/sysdeps/linux-gnu/proc.c b/sysdeps/linux-gnu/proc.c index 4251c1d..5adfb16 100644 --- a/sysdeps/linux-gnu/proc.c +++ b/sysdeps/linux-gnu/proc.c @@ -1,11 +1,53 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011,2012 Petr Machata, Red Hat Inc. + * Copyright (C) 2010 Zachary T Welch, CodeSourcery + * Copyright (C) 2010 Joe Damato + * Copyright (C) 1998,2008,2009 Juan Cespedes + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#define _GNU_SOURCE /* For getline. */ #include "config.h" +#include +#include #include +#include +#include +#include +#include +#include +#include +#include #include +#include #include -#include #include +#include "backend.h" +#include "breakpoint.h" +#include "config.h" +#include "debug.h" +#include "events.h" +#include "library.h" +#include "ltrace-elf.h" +#include "proc.h" + /* /proc/pid doesn't exist just after the fork, and sometimes `ltrace' * couldn't open it to find the executable. So it may be necessary to * have a bit delay @@ -13,17 +55,19 @@ #define MAX_DELAY 100000 /* 100000 microseconds = 0.1 seconds */ +#define PROC_PID_FILE(VAR, FORMAT, PID) \ + char VAR[strlen(FORMAT) + 6]; \ + sprintf(VAR, FORMAT, PID) + /* * Returns a (malloc'd) file name corresponding to a running pid */ char * pid2name(pid_t pid) { - char proc_exe[1024]; - if (!kill(pid, 0)) { int delay = 0; - sprintf(proc_exe, "/proc/%d/exe", pid); + PROC_PID_FILE(proc_exe, "/proc/%d/exe", pid); while (delay < MAX_DELAY) { if (!access(proc_exe, F_OK)) { @@ -34,3 +78,655 @@ pid2name(pid_t pid) { } return NULL; } + +static FILE * +open_status_file(pid_t pid) +{ + PROC_PID_FILE(fn, "/proc/%d/status", pid); + /* Don't complain if we fail. This would typically happen + when the process is about to terminate, and these files are + not available anymore. This function is called from the + event loop, and we don't want to clutter the output just + because the process terminates. */ + return fopen(fn, "r"); +} + +static char * +find_line_starting(FILE * file, const char * prefix, size_t len) +{ + char * line = NULL; + size_t line_len = 0; + while (!feof(file)) { + if (getline(&line, &line_len, file) < 0) + return NULL; + if (strncmp(line, prefix, len) == 0) + return line; + } + return NULL; +} + +static void +each_line_starting(FILE *file, const char *prefix, + enum callback_status (*cb)(const char *line, + const char *prefix, + void *data), + void *data) +{ + size_t len = strlen(prefix); + char * line; + while ((line = find_line_starting(file, prefix, len)) != NULL) { + enum callback_status st = (*cb)(line, prefix, data); + free(line); + if (st == CBS_STOP) + return; + } +} + +static enum callback_status +process_leader_cb(const char *line, const char *prefix, void *data) +{ + pid_t * pidp = data; + *pidp = atoi(line + strlen(prefix)); + return CBS_STOP; +} + +pid_t +process_leader(pid_t pid) +{ + pid_t tgid = 0; + FILE * file = open_status_file(pid); + if (file != NULL) { + each_line_starting(file, "Tgid:\t", &process_leader_cb, &tgid); + fclose(file); + } + + return tgid; +} + +static enum callback_status +process_stopped_cb(const char *line, const char *prefix, void *data) +{ + char c = line[strlen(prefix)]; + // t:tracing stop, T:job control stop + *(int *)data = (c == 't' || c == 'T'); + return CBS_STOP; +} + +int +process_stopped(pid_t pid) +{ + int is_stopped = -1; + FILE * file = open_status_file(pid); + if (file != NULL) { + each_line_starting(file, "State:\t", &process_stopped_cb, + &is_stopped); + fclose(file); + } + return is_stopped; +} + +static enum callback_status +process_status_cb(const char *line, const char *prefix, void *data) +{ + const char * status = line + strlen(prefix); + const char c = *status; + +#define RETURN(C) do { \ + *(enum process_status *)data = C; \ + return CBS_STOP; \ + } while (0) + + switch (c) { + case 'Z': RETURN(ps_zombie); + case 't': RETURN(ps_tracing_stop); + case 'T': + /* This can be either "T (stopped)" or, for older + * kernels, "T (tracing stop)". */ + if (!strcmp(status, "T (stopped)\n")) + RETURN(ps_stop); + else if (!strcmp(status, "T (tracing stop)\n")) + RETURN(ps_tracing_stop); + else { + fprintf(stderr, "Unknown process status: %s", + status); + RETURN(ps_stop); /* Some sort of stop + * anyway. */ + } + case 'D': + case 'S': RETURN(ps_sleeping); + } + + RETURN(ps_other); +#undef RETURN +} + +enum process_status +process_status(pid_t pid) +{ + enum process_status ret = ps_invalid; + FILE * file = open_status_file(pid); + if (file != NULL) { + each_line_starting(file, "State:\t", &process_status_cb, &ret); + fclose(file); + if (ret == ps_invalid) + fprintf(stderr, "process_status %d: %s", pid, + strerror(errno)); + } else + /* If the file is not present, the process presumably + * exited already. */ + ret = ps_zombie; + + return ret; +} + +static int +all_digits(const char *str) +{ + while (isdigit(*str)) + str++; + return !*str; +} + +int +process_tasks(pid_t pid, pid_t **ret_tasks, size_t *ret_n) +{ + PROC_PID_FILE(fn, "/proc/%d/task", pid); + DIR * d = opendir(fn); + if (d == NULL) + return -1; + + pid_t *tasks = NULL; + size_t n = 0; + size_t alloc = 0; + + while (1) { + struct dirent entry; + struct dirent *result; + if (readdir_r(d, &entry, &result) != 0) { + free(tasks); + return -1; + } + if (result == NULL) + break; + if (result->d_type == DT_DIR && all_digits(result->d_name)) { + pid_t npid = atoi(result->d_name); + if (n >= alloc) { + alloc = alloc > 0 ? (2 * alloc) : 8; + pid_t *ntasks = realloc(tasks, + sizeof(*tasks) * alloc); + if (ntasks == NULL) { + free(tasks); + return -1; + } + tasks = ntasks; + } + if (n >= alloc) + abort(); + tasks[n++] = npid; + } + } + + closedir(d); + + *ret_tasks = tasks; + *ret_n = n; + return 0; +} + +/* On native 64-bit system, we need to be careful when handling cross + * tracing. This select appropriate pointer depending on host and + * target architectures. XXX Really we should abstract this into the + * ABI object, as theorized about somewhere on pmachata/revamp + * branch. */ +static void * +select_32_64(struct Process *proc, void *p32, void *p64) +{ + if (sizeof(long) == 4 || proc->mask_32bit) + return p32; + else + return p64; +} + +static int +fetch_dyn64(struct Process *proc, arch_addr_t *addr, Elf64_Dyn *ret) +{ + if (umovebytes(proc, *addr, ret, sizeof(*ret)) != sizeof(*ret)) + return -1; + *addr += sizeof(*ret); + return 0; +} + +static int +fetch_dyn32(struct Process *proc, arch_addr_t *addr, Elf64_Dyn *ret) +{ + Elf32_Dyn dyn; + if (umovebytes(proc, *addr, &dyn, sizeof(dyn)) != sizeof(dyn)) + return -1; + + *addr += sizeof(dyn); + ret->d_tag = dyn.d_tag; + ret->d_un.d_val = dyn.d_un.d_val; + + return 0; +} + +static int (* +dyn_fetcher(struct Process *proc))(struct Process *, + arch_addr_t *, Elf64_Dyn *) +{ + return select_32_64(proc, fetch_dyn32, fetch_dyn64); +} + +int +proc_find_dynamic_entry_addr(struct Process *proc, arch_addr_t src_addr, + int d_tag, arch_addr_t *ret) +{ + debug(DEBUG_FUNCTION, "find_dynamic_entry()"); + + if (ret == NULL || src_addr == 0 || d_tag < 0) + return -1; + + int i = 0; + while (1) { + Elf64_Dyn entry; + if (dyn_fetcher(proc)(proc, &src_addr, &entry) < 0 + || entry.d_tag == DT_NULL + || i++ > 100) { /* Arbitrary cut-off so that we + * don't loop forever if the + * binary is corrupted. */ + debug(2, "Couldn't find address for dtag!"); + return -1; + } + + if (entry.d_tag == d_tag) { + /* XXX The double cast should be removed when + * arch_addr_t becomes integral type. */ + *ret = (arch_addr_t)(uintptr_t)entry.d_un.d_val; + debug(2, "found address: %p in dtag %d", *ret, d_tag); + return 0; + } + } +} + +/* Our own type for representing 32-bit linkmap. We can't rely on the + * definition in link.h, because that's only accurate for our host + * architecture, not for target architecture (where the traced process + * runs). */ +#define LT_LINK_MAP(BITS) \ + { \ + Elf##BITS##_Addr l_addr; \ + Elf##BITS##_Addr l_name; \ + Elf##BITS##_Addr l_ld; \ + Elf##BITS##_Addr l_next; \ + Elf##BITS##_Addr l_prev; \ + } +struct lt_link_map_32 LT_LINK_MAP(32); +struct lt_link_map_64 LT_LINK_MAP(64); + +static int +fetch_lm64(struct Process *proc, arch_addr_t addr, + struct lt_link_map_64 *ret) +{ + if (umovebytes(proc, addr, ret, sizeof(*ret)) != sizeof(*ret)) + return -1; + return 0; +} + +static int +fetch_lm32(struct Process *proc, arch_addr_t addr, + struct lt_link_map_64 *ret) +{ + struct lt_link_map_32 lm; + if (umovebytes(proc, addr, &lm, sizeof(lm)) != sizeof(lm)) + return -1; + + ret->l_addr = lm.l_addr; + ret->l_name = lm.l_name; + ret->l_ld = lm.l_ld; + ret->l_next = lm.l_next; + ret->l_prev = lm.l_prev; + + return 0; +} + +static int (* +lm_fetcher(struct Process *proc))(struct Process *, + arch_addr_t, struct lt_link_map_64 *) +{ + return select_32_64(proc, fetch_lm32, fetch_lm64); +} + +/* The same as above holds for struct r_debug. */ +#define LT_R_DEBUG(BITS) \ + { \ + int r_version; \ + Elf##BITS##_Addr r_map; \ + Elf##BITS##_Addr r_brk; \ + int r_state; \ + Elf##BITS##_Addr r_ldbase; \ + } + +struct lt_r_debug_32 LT_R_DEBUG(32); +struct lt_r_debug_64 LT_R_DEBUG(64); + +static int +fetch_rd64(struct Process *proc, arch_addr_t addr, + struct lt_r_debug_64 *ret) +{ + if (umovebytes(proc, addr, ret, sizeof(*ret)) != sizeof(*ret)) + return -1; + return 0; +} + +static int +fetch_rd32(struct Process *proc, arch_addr_t addr, + struct lt_r_debug_64 *ret) +{ + struct lt_r_debug_32 rd; + if (umovebytes(proc, addr, &rd, sizeof(rd)) != sizeof(rd)) + return -1; + + ret->r_version = rd.r_version; + ret->r_map = rd.r_map; + ret->r_brk = rd.r_brk; + ret->r_state = rd.r_state; + ret->r_ldbase = rd.r_ldbase; + + return 0; +} + +static int (* +rdebug_fetcher(struct Process *proc))(struct Process *, + arch_addr_t, struct lt_r_debug_64 *) +{ + return select_32_64(proc, fetch_rd32, fetch_rd64); +} + +static int +fetch_auxv64_entry(int fd, Elf64_auxv_t *ret) +{ + /* Reaching EOF is as much problem as not reading whole + * entry. */ + return read(fd, ret, sizeof(*ret)) == sizeof(*ret) ? 0 : -1; +} + +static int +fetch_auxv32_entry(int fd, Elf64_auxv_t *ret) +{ + Elf32_auxv_t auxv; + if (read(fd, &auxv, sizeof(auxv)) != sizeof(auxv)) + return -1; + + ret->a_type = auxv.a_type; + ret->a_un.a_val = auxv.a_un.a_val; + return 0; +} + +static int (* +auxv_fetcher(struct Process *proc))(int, Elf64_auxv_t *) +{ + return select_32_64(proc, fetch_auxv32_entry, fetch_auxv64_entry); +} + +static void +crawl_linkmap(struct Process *proc, struct lt_r_debug_64 *dbg) +{ + debug (DEBUG_FUNCTION, "crawl_linkmap()"); + + if (!dbg || !dbg->r_map) { + debug(2, "Debug structure or it's linkmap are NULL!"); + return; + } + + /* XXX The double cast should be removed when + * arch_addr_t becomes integral type. */ + arch_addr_t addr = (arch_addr_t)(uintptr_t)dbg->r_map; + + while (addr != 0) { + struct lt_link_map_64 rlm; + if (lm_fetcher(proc)(proc, addr, &rlm) < 0) { + debug(2, "Unable to read link map"); + return; + } + + arch_addr_t key = addr; + /* XXX The double cast should be removed when + * arch_addr_t becomes integral type. */ + addr = (arch_addr_t)(uintptr_t)rlm.l_next; + if (rlm.l_name == 0) { + debug(2, "Name of mapped library is NULL"); + return; + } + + char lib_name[BUFSIZ]; + /* XXX The double cast should be removed when + * arch_addr_t becomes integral type. */ + umovebytes(proc, (arch_addr_t)(uintptr_t)rlm.l_name, + lib_name, sizeof(lib_name)); + + /* Library name can be an empty string, in which case + * the entry represents either the main binary, or a + * VDSO. Unfortunately we can't rely on that, as in + * recent glibc, that entry is initialized to VDSO + * SONAME. + * + * It's not clear how to detect VDSO in this case. We + * can't assume that l_name of real DSOs will be + * either absolute or relative (for LD_LIBRARY_PATH=: + * it will be neither). We can't compare l_addr with + * AT_SYSINFO_EHDR either, as l_addr is bias (which + * also means it's not unique, and therefore useless + * for this). We could load VDSO from process image + * and at least compare actual SONAMEs. For now, this + * kludge is about the best that we can do. */ + if (*lib_name == 0 + || strcmp(lib_name, "linux-vdso.so.1") == 0 + || strcmp(lib_name, "linux-gate.so.1") == 0 + || strcmp(lib_name, "linux-vdso32.so.1") == 0 + || strcmp(lib_name, "linux-vdso64.so.1") == 0) + continue; + + /* Do we have that library already? */ + if (proc_each_library(proc, NULL, library_with_key_cb, &key)) + continue; + + struct library *lib = malloc(sizeof(*lib)); + if (lib == NULL) { + fail: + if (lib != NULL) + library_destroy(lib); + fprintf(stderr, "Couldn't load ELF object %s: %s\n", + lib_name, strerror(errno)); + continue; + } + library_init(lib, LT_LIBTYPE_DSO); + + if (ltelf_read_library(lib, proc, lib_name, rlm.l_addr) < 0) + goto fail; + + lib->key = key; + proc_add_library(proc, lib); + } + return; +} + +static int +load_debug_struct(struct Process *proc, struct lt_r_debug_64 *ret) +{ + debug(DEBUG_FUNCTION, "load_debug_struct"); + + if (rdebug_fetcher(proc)(proc, proc->os.debug_addr, ret) < 0) { + debug(2, "This process does not have a debug structure!"); + return -1; + } + + return 0; +} + +static void +rdebug_bp_on_hit(struct breakpoint *bp, struct Process *proc) +{ + debug(DEBUG_FUNCTION, "arch_check_dbg"); + + struct lt_r_debug_64 rdbg; + if (load_debug_struct(proc, &rdbg) < 0) { + debug(2, "Unable to load debug structure!"); + return; + } + + if (rdbg.r_state == RT_CONSISTENT) { + debug(2, "Linkmap is now consistent"); + switch (proc->os.debug_state) { + case RT_ADD: + debug(2, "Adding DSO to linkmap"); + crawl_linkmap(proc, &rdbg); + break; + case RT_DELETE: + debug(2, "Removing DSO from linkmap"); + // XXX unload that library + break; + default: + debug(2, "Unexpected debug state!"); + } + } + + proc->os.debug_state = rdbg.r_state; +} + +#ifndef ARCH_HAVE_FIND_DL_DEBUG +int +arch_find_dl_debug(struct Process *proc, arch_addr_t dyn_addr, + arch_addr_t *ret) +{ + return proc_find_dynamic_entry_addr(proc, dyn_addr, DT_DEBUG, ret); +} +#endif + +int +linkmap_init(struct Process *proc, arch_addr_t dyn_addr) +{ + debug(DEBUG_FUNCTION, "linkmap_init(%d, dyn_addr=%p)", proc->pid, dyn_addr); + + if (arch_find_dl_debug(proc, dyn_addr, &proc->os.debug_addr) == -1) { + debug(2, "Couldn't find debug structure!"); + return -1; + } + + int status; + struct lt_r_debug_64 rdbg; + if ((status = load_debug_struct(proc, &rdbg)) < 0) { + debug(2, "No debug structure or no memory to allocate one!"); + return status; + } + + /* XXX The double cast should be removed when + * arch_addr_t becomes integral type. */ + arch_addr_t addr = (arch_addr_t)(uintptr_t)rdbg.r_brk; + if (arch_translate_address_dyn(proc, addr, &addr) < 0) + return -1; + + struct breakpoint *rdebug_bp = insert_breakpoint(proc, addr, NULL); + static struct bp_callbacks rdebug_callbacks = { + .on_hit = rdebug_bp_on_hit, + }; + rdebug_bp->cbs = &rdebug_callbacks; + + crawl_linkmap(proc, &rdbg); + + return 0; +} + +int +task_kill (pid_t pid, int sig) +{ + // Taken from GDB + int ret; + + errno = 0; + ret = syscall (__NR_tkill, pid, sig); + return ret; +} + +void +process_removed(struct Process *proc) +{ + delete_events_for(proc); +} + +int +process_get_entry(struct Process *proc, + arch_addr_t *entryp, + arch_addr_t *interp_biasp) +{ + PROC_PID_FILE(fn, "/proc/%d/auxv", proc->pid); + int fd = open(fn, O_RDONLY); + int ret = 0; + if (fd == -1) { + fail: + fprintf(stderr, "couldn't read %s: %s", fn, strerror(errno)); + ret = -1; + done: + if (fd != -1) + close(fd); + return ret; + } + + arch_addr_t at_entry = 0; + arch_addr_t at_bias = 0; + while (1) { + Elf64_auxv_t entry = {}; + if (auxv_fetcher(proc)(fd, &entry) < 0) + goto fail; + + switch (entry.a_type) { + case AT_BASE: + /* XXX The double cast should be removed when + * arch_addr_t becomes integral type. */ + at_bias = (arch_addr_t)(uintptr_t)entry.a_un.a_val; + continue; + + case AT_ENTRY: + /* XXX The double cast should be removed when + * arch_addr_t becomes integral type. */ + at_entry = (arch_addr_t)(uintptr_t)entry.a_un.a_val; + default: + continue; + + case AT_NULL: + break; + } + break; + } + + if (entryp != NULL) + *entryp = at_entry; + if (interp_biasp != NULL) + *interp_biasp = at_bias; + goto done; +} + +int +os_process_init(struct Process *proc) +{ + proc->os.debug_addr = 0; + proc->os.debug_state = 0; + return 0; +} + +void +os_process_destroy(struct Process *proc) +{ +} + +int +os_process_clone(struct Process *retp, struct Process *proc) +{ + retp->os = proc->os; + return 0; +} + +int +os_process_exec(struct Process *proc) +{ + return 0; +} diff --git a/sysdeps/linux-gnu/s390/Makefile b/sysdeps/linux-gnu/s390/Makefile deleted file mode 100644 index cea1b45..0000000 --- a/sysdeps/linux-gnu/s390/Makefile +++ /dev/null @@ -1,13 +0,0 @@ -# -# S/390 version -# Copyright (C) 2001 IBM Poughkeepsie, IBM Corporation -# -OBJ = trace.o regs.o plt.o - -all: arch.o - -arch.o: $(OBJ) - $(CC) -nostdlib -r -o arch.o $(OBJ) - -clean: - $(RM) $(OBJ) arch.o diff --git a/sysdeps/linux-gnu/s390/Makefile.am b/sysdeps/linux-gnu/s390/Makefile.am new file mode 100644 index 0000000..22741bd --- /dev/null +++ b/sysdeps/linux-gnu/s390/Makefile.am @@ -0,0 +1,39 @@ +# This file is part of ltrace. +# Copyright (C) 2010 Marc Kleine-Budde, Pengutronix +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA + +noinst_LTLIBRARIES = \ + ../libcpu.la + +___libcpu_la_SOURCES = \ + plt.c \ + regs.c \ + trace.c \ + fetch.c + +noinst_HEADERS = \ + arch.h \ + ptrace.h \ + signalent1.h \ + signalent.h \ + syscallent1.h \ + syscallent.h \ + syscalls31.h \ + syscalls64.h + +MAINTAINERCLEANFILES = \ + Makefile.in diff --git a/sysdeps/linux-gnu/s390/Makefile.in b/sysdeps/linux-gnu/s390/Makefile.in new file mode 100644 index 0000000..0f55ef5 --- /dev/null +++ b/sysdeps/linux-gnu/s390/Makefile.in @@ -0,0 +1,534 @@ +# Makefile.in generated by automake 1.11.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, +# Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# This file is part of ltrace. +# Copyright (C) 2010 Marc Kleine-Budde, Pengutronix +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA + + +VPATH = @srcdir@ +pkgdatadir = $(datadir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkglibexecdir = $(libexecdir)/@PACKAGE@ +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = $(program_transform_name) +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : +NORMAL_UNINSTALL = : +PRE_UNINSTALL = : +POST_UNINSTALL = : +build_triplet = @build@ +host_triplet = @host@ +subdir = sysdeps/linux-gnu/s390 +DIST_COMMON = $(noinst_HEADERS) $(srcdir)/Makefile.am \ + $(srcdir)/Makefile.in +ACLOCAL_M4 = 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installcheck installcheck-am installdirs \ + maintainer-clean maintainer-clean-generic mostlyclean \ + mostlyclean-compile mostlyclean-generic mostlyclean-libtool \ + pdf pdf-am ps ps-am tags uninstall uninstall-am + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/sysdeps/linux-gnu/s390/arch.h b/sysdeps/linux-gnu/s390/arch.h index 03690b8..0d412dc 100644 --- a/sysdeps/linux-gnu/s390/arch.h +++ b/sysdeps/linux-gnu/s390/arch.h @@ -1,18 +1,35 @@ /* -** S/390 version -** (C) Copyright 2001 IBM Poughkeepsie, IBM Corporation -*/ + * This file is part of ltrace. + * Copyright (C) 2001 IBM Poughkeepsie, IBM Corporation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ #define BREAKPOINT_VALUE { 0x00, 0x01 } #define BREAKPOINT_LENGTH 2 #define DECR_PC_AFTER_BREAK 2 +#define ARCH_ENDIAN_BIG +#define ARCH_HAVE_FETCH_ARG +#define ARCH_HAVE_SIZEOF +#define ARCH_HAVE_ALIGNOF -#ifdef __s390x__ -#define LT_ELFCLASS ELFCLASS64 -#define LT_ELF_MACHINE EM_S390 -#define LT_ELFCLASS2 ELFCLASS32 -#define LT_ELF_MACHINE2 EM_S390 -#else #define LT_ELFCLASS ELFCLASS32 #define LT_ELF_MACHINE EM_S390 + +#ifdef __s390x__ +#define LT_ELFCLASS2 ELFCLASS64 +#define LT_ELF_MACHINE2 EM_S390 #endif diff --git a/sysdeps/linux-gnu/s390/fetch.c b/sysdeps/linux-gnu/s390/fetch.c new file mode 100644 index 0000000..fa8f42d --- /dev/null +++ b/sysdeps/linux-gnu/s390/fetch.c @@ -0,0 +1,289 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2012 Petr Machata, Red Hat Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "backend.h" +#include "fetch.h" +#include "type.h" +#include "proc.h" +#include "value.h" + +struct fetch_context { + struct user_regs_struct regs; + arch_addr_t stack_pointer; + int greg; + int freg; +}; + +static int +s390x(struct fetch_context *ctx) +{ + /* +--------+--------+--------+ + * | PSW.31 | PSW.32 | mode | + * +--------+--------+--------+ + * | 0 | 0 | 24-bit | Not supported in Linux + * | 0 | 1 | 31-bit | s390 compatible mode + * | 1 | 1 | 64-bit | z/Architecture, "s390x" + * +--------+--------+--------+ + * (Note: The leftmost bit is PSW.0, rightmost PSW.63.) + */ + +#ifdef __s390x__ + if ((ctx->regs.psw.mask & 0x180000000UL) == 0x180000000UL) + return 1; +#endif + return 0; +} + +static int +fetch_register_banks(struct Process *proc, struct fetch_context *ctx) +{ + ptrace_area parea; + parea.len = sizeof(ctx->regs); + parea.process_addr = (uintptr_t)&ctx->regs; + parea.kernel_addr = 0; + if (ptrace(PTRACE_PEEKUSR_AREA, proc->pid, &parea, NULL) < 0) { + fprintf(stderr, "fetch_register_banks GPR: %s\n", + strerror(errno)); + return -1; + } + return 0; +} + +static int +fetch_context_init(struct Process *proc, struct fetch_context *context) +{ + context->greg = 2; + context->freg = 0; + return fetch_register_banks(proc, context); +} + +struct fetch_context * +arch_fetch_arg_init(enum tof type, struct Process *proc, + struct arg_type_info *ret_info) +{ + struct fetch_context *context = malloc(sizeof(*context)); + if (context == NULL + || fetch_context_init(proc, context) < 0) { + fprintf(stderr, "arch_fetch_arg_init: %s\n", + strerror(errno)); + free(context); + return NULL; + } + + context->stack_pointer = get_stack_pointer(proc) + + (s390x(context) ? 160 : 96); + if (ret_info->type == ARGTYPE_STRUCT) + ++context->greg; + + return context; +} + +struct fetch_context * +arch_fetch_arg_clone(struct Process *proc, + struct fetch_context *context) +{ + struct fetch_context *clone = malloc(sizeof(*context)); + if (clone == NULL) + return NULL; + *clone = *context; + return clone; +} + +static int +allocate_stack_slot(struct fetch_context *ctx, struct Process *proc, + struct arg_type_info *info, struct value *valuep, + size_t sz) +{ + /* Note: here we shouldn't see large composite types, those + * are passed by reference, which is handled below. Here we + * only deal with integers, floats, small structs, etc. */ + + size_t a; + if (s390x(ctx)) { + assert(sz <= 8); + a = 8; + } else { + /* Note: double is 8 bytes. */ + assert(sz <= 8); + a = 4; + } + + size_t off = sz < a ? a - sz : 0; + value_in_inferior(valuep, ctx->stack_pointer + off); + + ctx->stack_pointer += sz > a ? sz : a; + return 0; +} + +static void +copy_gpr(struct fetch_context *ctx, struct value *valuep, int regno) +{ + value_set_word(valuep, ctx->regs.gprs[regno]); +} + +static int +allocate_gpr(struct fetch_context *ctx, struct Process *proc, + struct arg_type_info *info, struct value *valuep, + size_t sz) +{ + if (ctx->greg > 6) + return allocate_stack_slot(ctx, proc, info, valuep, sz); + + copy_gpr(ctx, valuep, ctx->greg++); + return 0; +} + +static int +allocate_gpr_pair(struct fetch_context *ctx, struct Process *proc, + struct arg_type_info *info, struct value *valuep, + size_t sz) +{ + assert(!s390x(ctx)); + assert(sz <= 8); + + if (ctx->greg > 5) { + ctx->greg = 7; + return allocate_stack_slot(ctx, proc, info, valuep, sz); + } + + if (value_reserve(valuep, sz) == NULL) + return -1; + + unsigned char *ptr = value_get_raw_data(valuep); + union { + struct { + uint32_t a; + uint32_t b; + }; + unsigned char buf[8]; + } u; + u.a = ctx->regs.gprs[ctx->greg++]; + u.b = ctx->regs.gprs[ctx->greg++]; + memcpy(ptr, u.buf, sz); + + return 0; +} + +static int +allocate_fpr(struct fetch_context *ctx, struct Process *proc, + struct arg_type_info *info, struct value *valuep, + size_t sz) +{ + int pool = s390x(ctx) ? 6 : 2; + + if (ctx->freg > pool) + return allocate_stack_slot(ctx, proc, info, valuep, sz); + + if (value_reserve(valuep, sz) == NULL) + return -1; + + memcpy(value_get_raw_data(valuep), + &ctx->regs.fp_regs.fprs[ctx->freg], sz); + ctx->freg += 2; + + return 0; +} + +int +arch_fetch_arg_next(struct fetch_context *ctx, enum tof type, + struct Process *proc, + struct arg_type_info *info, struct value *valuep) +{ + size_t sz = type_sizeof(proc, info); + if (sz == (size_t)-1) + return -1; + + switch (info->type) { + case ARGTYPE_VOID: + value_set_word(valuep, 0); + return 0; + + case ARGTYPE_STRUCT: + if (type_get_fp_equivalent(info) != NULL) + /* fall through */ + case ARGTYPE_FLOAT: + case ARGTYPE_DOUBLE: + return allocate_fpr(ctx, proc, info, valuep, sz); + + /* Structures<4 bytes on s390 and structures<8 bytes + * on s390x are passed in register. On s390, long + * long and structures<8 bytes are passed in two + * consecutive registers (if two are available). */ + + if (sz <= (s390x(ctx) ? 8 : 4)) + return allocate_gpr(ctx, proc, info, valuep, sz); + else if (sz <= 8) + return allocate_gpr_pair(ctx, proc, info, valuep, sz); + + /* fall through */ + + case ARGTYPE_ARRAY: + if (value_pass_by_reference(valuep) < 0) + return -1; + /* fall through */ + + case ARGTYPE_INT: + case ARGTYPE_UINT: + case ARGTYPE_LONG: + case ARGTYPE_ULONG: + case ARGTYPE_CHAR: + case ARGTYPE_SHORT: + case ARGTYPE_USHORT: + case ARGTYPE_POINTER: + return allocate_gpr(ctx, proc, info, valuep, sz); + + default: + assert(info->type != info->type); + abort(); + } + return -1; +} + +int +arch_fetch_retval(struct fetch_context *ctx, enum tof type, + struct Process *proc, struct arg_type_info *info, + struct value *valuep) +{ + if (info->type == ARGTYPE_STRUCT) { + if (value_pass_by_reference(valuep) < 0) + return -1; + copy_gpr(ctx, valuep, 2); + return 0; + } + + if (fetch_context_init(proc, ctx) < 0) + return -1; + return arch_fetch_arg_next(ctx, type, proc, info, valuep); +} + +void +arch_fetch_arg_done(struct fetch_context *context) +{ + free(context); +} diff --git a/sysdeps/linux-gnu/s390/plt.c b/sysdeps/linux-gnu/s390/plt.c index 85a1dd1..5f612e5 100644 --- a/sysdeps/linux-gnu/s390/plt.c +++ b/sysdeps/linux-gnu/s390/plt.c @@ -1,5 +1,27 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2004,2008,2009 Juan Cespedes + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include +#include "proc.h" #include "common.h" +#include "library.h" GElf_Addr arch_plt_sym_val(struct ltelf *lte, size_t ndx, GElf_Rela * rela) { diff --git a/sysdeps/linux-gnu/s390/ptrace.h b/sysdeps/linux-gnu/s390/ptrace.h index c3cbcb6..ad7e0d6 100644 --- a/sysdeps/linux-gnu/s390/ptrace.h +++ b/sysdeps/linux-gnu/s390/ptrace.h @@ -1 +1,21 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2004 Juan Cespedes + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include diff --git a/sysdeps/linux-gnu/s390/regs.c b/sysdeps/linux-gnu/s390/regs.c index 169893e..0592ccd 100644 --- a/sysdeps/linux-gnu/s390/regs.c +++ b/sysdeps/linux-gnu/s390/regs.c @@ -1,7 +1,25 @@ /* -** S/390 version -** Copyright (C) 2001 IBM Poughkeepsie, IBM Corporation -*/ + * This file is part of ltrace. + * Copyright (C) 2002,2004,2008,2009 Juan Cespedes + * Copyright (C) 2009 Juan Cespedes + * Copyright (C) 2006 Ian Wienand + * Copyright (C) 2001 IBM Poughkeepsie, IBM Corporation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ #include "config.h" @@ -9,6 +27,7 @@ #include #include +#include "proc.h" #include "common.h" #if (!defined(PTRACE_PEEKUSER) && defined(PTRACE_PEEKUSR)) diff --git a/sysdeps/linux-gnu/s390/signalent.h b/sysdeps/linux-gnu/s390/signalent.h index 35b74f1..218b057 100644 --- a/sysdeps/linux-gnu/s390/signalent.h +++ b/sysdeps/linux-gnu/s390/signalent.h @@ -1,3 +1,23 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + "SIG_0", /* 0 */ "SIGHUP", /* 1 */ "SIGINT", /* 2 */ diff --git a/sysdeps/linux-gnu/s390/signalent1.h b/sysdeps/linux-gnu/s390/signalent1.h index b5b6ca8..0f529bb 100644 --- a/sysdeps/linux-gnu/s390/signalent1.h +++ b/sysdeps/linux-gnu/s390/signalent1.h @@ -1 +1,21 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include "s390/signalent.h" diff --git a/sysdeps/linux-gnu/s390/syscallent.h b/sysdeps/linux-gnu/s390/syscallent.h index 5a35d93..03d0541 100644 --- a/sysdeps/linux-gnu/s390/syscallent.h +++ b/sysdeps/linux-gnu/s390/syscallent.h @@ -1,3 +1,23 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #ifdef __s390x__ #include "s390/syscalls64.h" #else diff --git a/sysdeps/linux-gnu/s390/syscallent1.h b/sysdeps/linux-gnu/s390/syscallent1.h index c9fdc81..8d80a54 100644 --- a/sysdeps/linux-gnu/s390/syscallent1.h +++ b/sysdeps/linux-gnu/s390/syscallent1.h @@ -1 +1,21 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include "s390/syscalls31.h" diff --git a/sysdeps/linux-gnu/s390/syscalls31.h b/sysdeps/linux-gnu/s390/syscalls31.h index 42631eb..46f4cf3 100644 --- a/sysdeps/linux-gnu/s390/syscalls31.h +++ b/sysdeps/linux-gnu/s390/syscalls31.h @@ -1,3 +1,24 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2006 Heiko Carstens, IBM Corporation + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + "0", /* 0 */ "exit", /* 1 */ "fork", /* 2 */ diff --git a/sysdeps/linux-gnu/s390/syscalls64.h b/sysdeps/linux-gnu/s390/syscalls64.h index 97be52c..f2ec7f4 100644 --- a/sysdeps/linux-gnu/s390/syscalls64.h +++ b/sysdeps/linux-gnu/s390/syscalls64.h @@ -1,3 +1,24 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2006 Heiko Carstens, IBM Corporation + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + "0", /* 0 */ "exit", /* 1 */ "fork", /* 2 */ diff --git a/sysdeps/linux-gnu/s390/trace.c b/sysdeps/linux-gnu/s390/trace.c index 9df2437..b9e05ff 100644 --- a/sysdeps/linux-gnu/s390/trace.c +++ b/sysdeps/linux-gnu/s390/trace.c @@ -1,23 +1,38 @@ /* -** S390 specific part of trace.c -** -** Other routines are in ../trace.c and need to be combined -** at link time with this code. -** -** Copyright (C) 2001,2005 IBM Corp. -*/ + * This file is part of ltrace. + * Copyright (C) 2012 Petr Machata, Red Hat Inc. + * Copyright (C) 2001,2005 IBM Corp. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ #include "config.h" -#include -#include +#include +#include #include #include +#include +#include #include -#include -#include +#include #include "common.h" +#include "proc.h" +#include "type.h" #if (!defined(PTRACE_PEEKUSER) && defined(PTRACE_PEEKUSR)) # define PTRACE_PEEKUSER PTRACE_PEEKUSR @@ -159,40 +174,84 @@ syscall_p(Process *proc, int status, int *sysnum) { return 0; } -long -gimme_arg(enum tof type, Process *proc, int arg_num, arg_type_info *info) { - long ret; +size_t +arch_type_sizeof(struct Process *proc, struct arg_type_info *info) +{ + if (proc == NULL) + return (size_t)-2; + + switch (info->type) { + case ARGTYPE_VOID: + return 0; + + case ARGTYPE_CHAR: + return 1; + + case ARGTYPE_SHORT: + case ARGTYPE_USHORT: + return 2; + + case ARGTYPE_INT: + case ARGTYPE_UINT: + return 4; + + case ARGTYPE_LONG: + case ARGTYPE_ULONG: + case ARGTYPE_POINTER: + return proc->e_class == ELFCLASS64 ? 8 : 4; + + case ARGTYPE_FLOAT: + return 4; + case ARGTYPE_DOUBLE: + return 8; + + case ARGTYPE_ARRAY: + case ARGTYPE_STRUCT: + /* Use default value. */ + return (size_t)-2; - switch (arg_num) { - case -1: /* return value */ - ret = ptrace(PTRACE_PEEKUSER, proc->pid, PT_GPR2, 0); - break; - case 0: - ret = ptrace(PTRACE_PEEKUSER, proc->pid, PT_ORIGGPR2, 0); - break; - case 1: - ret = ptrace(PTRACE_PEEKUSER, proc->pid, PT_GPR3, 0); - break; - case 2: - ret = ptrace(PTRACE_PEEKUSER, proc->pid, PT_GPR4, 0); - break; - case 3: - ret = ptrace(PTRACE_PEEKUSER, proc->pid, PT_GPR5, 0); - break; - case 4: - ret = ptrace(PTRACE_PEEKUSER, proc->pid, PT_GPR6, 0); - break; default: - fprintf(stderr, "gimme_arg called with wrong arguments\n"); - exit(2); + assert(info->type != info->type); + abort(); } -#ifdef __s390x__ - if (proc->mask_32bit) - ret &= 0xffffffff; -#endif - return ret; } -void -save_register_args(enum tof type, Process *proc) { +size_t +arch_type_alignof(struct Process *proc, struct arg_type_info *info) +{ + if (proc == NULL) + return (size_t)-2; + + switch (info->type) { + default: + assert(info->type != info->type); + break; + + case ARGTYPE_CHAR: + return 1; + + case ARGTYPE_SHORT: + case ARGTYPE_USHORT: + return 2; + + case ARGTYPE_INT: + case ARGTYPE_UINT: + return 4; + + case ARGTYPE_LONG: + case ARGTYPE_ULONG: + case ARGTYPE_POINTER: + return proc->e_class == ELFCLASS64 ? 8 : 4; + + case ARGTYPE_FLOAT: + return 4; + case ARGTYPE_DOUBLE: + return 8; + + case ARGTYPE_ARRAY: + case ARGTYPE_STRUCT: + /* Use default value. */ + return (size_t)-2; + } + abort(); } diff --git a/sysdeps/linux-gnu/signalent1.h b/sysdeps/linux-gnu/signalent1.h new file mode 100644 index 0000000..74d8e19 --- /dev/null +++ b/sysdeps/linux-gnu/signalent1.h @@ -0,0 +1 @@ +/* This file is intentionally left blank */ diff --git a/sysdeps/linux-gnu/sparc/Makefile b/sysdeps/linux-gnu/sparc/Makefile deleted file mode 100644 index b3914e5..0000000 --- a/sysdeps/linux-gnu/sparc/Makefile +++ /dev/null @@ -1,9 +0,0 @@ -OBJ = regs.o trace.o plt.o - -all: arch.o - -arch.o: $(OBJ) - $(CC) -nostdlib -r -o arch.o $(OBJ) - -clean: - $(RM) $(OBJ) arch.o diff --git a/sysdeps/linux-gnu/sparc/Makefile.am b/sysdeps/linux-gnu/sparc/Makefile.am new file mode 100644 index 0000000..5c6ecc2 --- /dev/null +++ b/sysdeps/linux-gnu/sparc/Makefile.am @@ -0,0 +1,34 @@ +# This file is part of ltrace. +# Copyright (C) 2010 Marc Kleine-Budde, Pengutronix +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA + +noinst_LTLIBRARIES = \ + ../libcpu.la + +___libcpu_la_SOURCES = \ + plt.c \ + regs.c \ + trace.c + +noinst_HEADERS = \ + arch.h \ + ptrace.h \ + signalent.h \ + syscallent.h + +MAINTAINERCLEANFILES = \ + Makefile.in diff --git a/sysdeps/linux-gnu/sparc/Makefile.in b/sysdeps/linux-gnu/sparc/Makefile.in new file mode 100644 index 0000000..d94a1d8 --- /dev/null +++ b/sysdeps/linux-gnu/sparc/Makefile.in @@ -0,0 +1,528 @@ +# Makefile.in generated by automake 1.11.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, +# Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# This file is part of ltrace. +# Copyright (C) 2010 Marc Kleine-Budde, Pengutronix +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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-z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES) + -rm -f ../$(am__dirstamp) + +maintainer-clean-generic: + @echo "This command is intended for maintainers to use" + @echo "it deletes files that may require special tools to rebuild." + -test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES) +clean: clean-am + +clean-am: clean-generic clean-libtool clean-noinstLTLIBRARIES \ + mostlyclean-am + +distclean: distclean-am + -rm -rf ./$(DEPDIR) + -rm -f Makefile +distclean-am: clean-am distclean-compile distclean-generic \ + distclean-tags + +dvi: dvi-am + +dvi-am: + +html: html-am + +html-am: + +info: info-am + +info-am: + +install-data-am: + +install-dvi: install-dvi-am + +install-dvi-am: + +install-exec-am: + +install-html: install-html-am + +install-html-am: + +install-info: install-info-am + +install-info-am: + +install-man: + +install-pdf: install-pdf-am + +install-pdf-am: + +install-ps: install-ps-am + +install-ps-am: + +installcheck-am: + +maintainer-clean: maintainer-clean-am + -rm -rf ./$(DEPDIR) + -rm -f Makefile +maintainer-clean-am: distclean-am maintainer-clean-generic + +mostlyclean: mostlyclean-am + +mostlyclean-am: mostlyclean-compile mostlyclean-generic \ + mostlyclean-libtool + +pdf: pdf-am + +pdf-am: + +ps: ps-am + +ps-am: + +uninstall-am: + +.MAKE: install-am install-strip + +.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \ + clean-libtool clean-noinstLTLIBRARIES ctags distclean \ + distclean-compile distclean-generic distclean-libtool \ + distclean-tags distdir dvi dvi-am html html-am info info-am \ + install install-am install-data install-data-am install-dvi \ + install-dvi-am install-exec install-exec-am install-html \ + install-html-am install-info install-info-am install-man \ + install-pdf install-pdf-am install-ps install-ps-am \ + install-strip installcheck installcheck-am installdirs \ + maintainer-clean maintainer-clean-generic mostlyclean \ + mostlyclean-compile mostlyclean-generic mostlyclean-libtool \ + pdf pdf-am ps ps-am tags uninstall uninstall-am + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/sysdeps/linux-gnu/sparc/arch.h b/sysdeps/linux-gnu/sparc/arch.h index 75251b8..9685d13 100644 --- a/sysdeps/linux-gnu/sparc/arch.h +++ b/sysdeps/linux-gnu/sparc/arch.h @@ -1,6 +1,27 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2004 Juan Cespedes + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #define BREAKPOINT_VALUE {0x91, 0xd0, 0x20, 0x01} #define BREAKPOINT_LENGTH 4 #define DECR_PC_AFTER_BREAK 0 +#define ARCH_ENDIAN_BIG #define LT_ELFCLASS ELFCLASS32 #define LT_ELF_MACHINE EM_SPARC diff --git a/sysdeps/linux-gnu/sparc/plt.c b/sysdeps/linux-gnu/sparc/plt.c index f9e6d80..40bbabc 100644 --- a/sysdeps/linux-gnu/sparc/plt.c +++ b/sysdeps/linux-gnu/sparc/plt.c @@ -1,4 +1,25 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2004,2008,2009 Juan Cespedes + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include +#include "proc.h" #include "common.h" GElf_Addr diff --git a/sysdeps/linux-gnu/sparc/ptrace.h b/sysdeps/linux-gnu/sparc/ptrace.h index bbaf01a..cbc35a6 100644 --- a/sysdeps/linux-gnu/sparc/ptrace.h +++ b/sysdeps/linux-gnu/sparc/ptrace.h @@ -1,3 +1,23 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2004,2009 Juan Cespedes + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #undef PTRACE_GETREGS #undef PTRACE_SETREGS #undef PTRACE_GETFPREGS diff --git a/sysdeps/linux-gnu/sparc/regs.c b/sysdeps/linux-gnu/sparc/regs.c index 49d2729..5e5ad20 100644 --- a/sysdeps/linux-gnu/sparc/regs.c +++ b/sysdeps/linux-gnu/sparc/regs.c @@ -1,7 +1,29 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2004,2008,2009 Juan Cespedes + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include "config.h" #include #include "ptrace.h" +#include "proc.h" #include "common.h" void * diff --git a/sysdeps/linux-gnu/sparc/signalent.h b/sysdeps/linux-gnu/sparc/signalent.h index d30f69e..8555456 100644 --- a/sysdeps/linux-gnu/sparc/signalent.h +++ b/sysdeps/linux-gnu/sparc/signalent.h @@ -1,3 +1,23 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + "SIG_0", /* 0 */ "SIGHUP", /* 1 */ "SIGINT", /* 2 */ diff --git a/sysdeps/linux-gnu/sparc/syscallent.h b/sysdeps/linux-gnu/sparc/syscallent.h index 96eeec9..bb309c6 100644 --- a/sysdeps/linux-gnu/sparc/syscallent.h +++ b/sysdeps/linux-gnu/sparc/syscallent.h @@ -1,3 +1,23 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + "0", /* 0 */ "exit", /* 1 */ "fork", /* 2 */ diff --git a/sysdeps/linux-gnu/sparc/trace.c b/sysdeps/linux-gnu/sparc/trace.c index 7f05b55..e1725ff 100644 --- a/sysdeps/linux-gnu/sparc/trace.c +++ b/sysdeps/linux-gnu/sparc/trace.c @@ -1,3 +1,24 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2004,2008,2009 Juan Cespedes + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + #include "config.h" #include @@ -6,6 +27,7 @@ #include #include #include "ptrace.h" +#include "proc.h" #include "common.h" void @@ -44,7 +66,8 @@ syscall_p(Process *proc, int status, int *sysnum) { } long -gimme_arg(enum tof type, Process *proc, int arg_num, arg_type_info *info) { +gimme_arg(enum tof type, Process *proc, int arg_num, struct arg_type_info *info) +{ proc_archdep *a = (proc_archdep *) proc->arch_ptr; if (!a->valid) { fprintf(stderr, "Could not get child registers\n"); @@ -68,14 +91,3 @@ gimme_arg(enum tof type, Process *proc, int arg_num, arg_type_info *info) { } return 0; } - -void -save_register_args(enum tof type, Process *proc) { - proc_archdep *a = (proc_archdep *) proc->arch_ptr; - if (a->valid) { - if (type == LT_TOF_FUNCTION) - memcpy(a->func_arg, &a->regs.u_regs[UREG_G7], sizeof(a->func_arg)); - else - memcpy(a->sysc_arg, &a->regs.u_regs[UREG_G7], sizeof(a->sysc_arg)); - } -} diff --git a/sysdeps/linux-gnu/syscallent1.h b/sysdeps/linux-gnu/syscallent1.h new file mode 100644 index 0000000..74d8e19 --- /dev/null +++ b/sysdeps/linux-gnu/syscallent1.h @@ -0,0 +1 @@ +/* This file is intentionally left blank */ diff --git a/sysdeps/linux-gnu/trace-defs.h b/sysdeps/linux-gnu/trace-defs.h new file mode 100644 index 0000000..aa69b83 --- /dev/null +++ b/sysdeps/linux-gnu/trace-defs.h @@ -0,0 +1,92 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2012 Petr Machata, Red Hat Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ +#ifndef _TRACE_DEFS_H_ +#define _TRACE_DEFS_H_ +#include + +/* If the system headers did not provide the constants, hard-code the + * normal values. */ +#ifndef PTRACE_OLDSETOPTIONS +# define PTRACE_OLDSETOPTIONS 21 +#endif + +#ifndef PTRACE_SETOPTIONS +# define PTRACE_SETOPTIONS 0x4200 +#endif + +#ifndef PTRACE_GETEVENTMSG +# define PTRACE_GETEVENTMSG 0x4201 +#endif + +/* Options set using PTRACE_SETOPTIONS. */ +#ifndef PTRACE_O_TRACESYSGOOD +# define PTRACE_O_TRACESYSGOOD 0x00000001 +#endif + +#ifndef PTRACE_O_TRACEFORK +# define PTRACE_O_TRACEFORK 0x00000002 +#endif + +#ifndef PTRACE_O_TRACEVFORK +# define PTRACE_O_TRACEVFORK 0x00000004 +#endif + +#ifndef PTRACE_O_TRACECLONE +# define PTRACE_O_TRACECLONE 0x00000008 +#endif + +#ifndef PTRACE_O_TRACEEXEC +# define PTRACE_O_TRACEEXEC 0x00000010 +#endif + +#ifndef PTRACE_O_TRACEVFORKDONE +# define PTRACE_O_TRACEVFORKDONE 0x00000020 +#endif + +#ifndef PTRACE_O_TRACEEXIT +# define PTRACE_O_TRACEEXIT 0x00000040 +#endif + +/* Wait extended result codes for the above trace options. */ +#ifndef PTRACE_EVENT_FORK +# define PTRACE_EVENT_FORK 1 +#endif + +#ifndef PTRACE_EVENT_VFORK +# define PTRACE_EVENT_VFORK 2 +#endif + +#ifndef PTRACE_EVENT_CLONE +# define PTRACE_EVENT_CLONE 3 +#endif + +#ifndef PTRACE_EVENT_EXEC +# define PTRACE_EVENT_EXEC 4 +#endif + +#ifndef PTRACE_EVENT_VFORK_DONE +# define PTRACE_EVENT_VFORK_DONE 5 +#endif + +#ifndef PTRACE_EVENT_EXIT +# define PTRACE_EVENT_EXIT 6 +#endif + +#endif /* _TRACE_DEFS_H_ */ diff --git a/sysdeps/linux-gnu/trace.c b/sysdeps/linux-gnu/trace.c index df5b090..e13b761 100644 --- a/sysdeps/linux-gnu/trace.c +++ b/sysdeps/linux-gnu/trace.c @@ -1,104 +1,129 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2007,2011,2012 Petr Machata, Red Hat Inc. + * Copyright (C) 2010 Joe Damato + * Copyright (C) 1998,2002,2003,2004,2008,2009 Juan Cespedes + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include "config.h" + +#include +#include +#include +#include +#include #include #include #include -#include #include -#include -#include -#include "ptrace.h" -#include -#include "common.h" - -/* If the system headers did not provide the constants, hard-code the normal - values. */ -#ifndef PTRACE_EVENT_FORK - -#define PTRACE_OLDSETOPTIONS 21 -#define PTRACE_SETOPTIONS 0x4200 -#define PTRACE_GETEVENTMSG 0x4201 - -/* options set using PTRACE_SETOPTIONS */ -#define PTRACE_O_TRACESYSGOOD 0x00000001 -#define PTRACE_O_TRACEFORK 0x00000002 -#define PTRACE_O_TRACEVFORK 0x00000004 -#define PTRACE_O_TRACECLONE 0x00000008 -#define PTRACE_O_TRACEEXEC 0x00000010 -#define PTRACE_O_TRACEVFORKDONE 0x00000020 -#define PTRACE_O_TRACEEXIT 0x00000040 - -/* Wait extended result codes for the above trace options. */ -#define PTRACE_EVENT_FORK 1 -#define PTRACE_EVENT_VFORK 2 -#define PTRACE_EVENT_CLONE 3 -#define PTRACE_EVENT_EXEC 4 -#define PTRACE_EVENT_VFORK_DONE 5 -#define PTRACE_EVENT_EXIT 6 - -#endif /* PTRACE_EVENT_FORK */ - -#ifdef ARCH_HAVE_UMOVELONG -extern int arch_umovelong (Process *, void *, long *, arg_type_info *); -int -umovelong (Process *proc, void *addr, long *result, arg_type_info *info) { - return arch_umovelong (proc, addr, result, info); -} -#else -/* Read a single long from the process's memory address 'addr' */ -int -umovelong (Process *proc, void *addr, long *result, arg_type_info *info) { - long pointed_to; +#ifdef HAVE_LIBSELINUX +# include +#endif - errno = 0; - pointed_to = ptrace (PTRACE_PEEKTEXT, proc->pid, addr, 0); - if (pointed_to == -1 && errno) - return -errno; +#include "linux-gnu/trace.h" +#include "linux-gnu/trace-defs.h" +#include "backend.h" +#include "breakpoint.h" +#include "debug.h" +#include "events.h" +#include "options.h" +#include "proc.h" +#include "ptrace.h" +#include "type.h" - *result = pointed_to; - return 0; +void +trace_fail_warning(pid_t pid) +{ + /* This was adapted from GDB. */ +#ifdef HAVE_LIBSELINUX + static int checked = 0; + if (checked) + return; + checked = 1; + + /* -1 is returned for errors, 0 if it has no effect, 1 if + * PTRACE_ATTACH is forbidden. */ + if (security_get_boolean_active("deny_ptrace") == 1) + fprintf(stderr, +"The SELinux boolean 'deny_ptrace' is enabled, which may prevent ltrace from\n" +"tracing other processes. You can disable this process attach protection by\n" +"issuing 'setsebool deny_ptrace=0' in the superuser context.\n"); +#endif /* HAVE_LIBSELINUX */ } -#endif void -trace_me(void) { - debug(DEBUG_PROCESS, "trace_me: pid=%d\n", getpid()); - if (ptrace(PTRACE_TRACEME, 0, 1, 0) < 0) { +trace_me(void) +{ + debug(DEBUG_PROCESS, "trace_me: pid=%d", getpid()); + if (ptrace(PTRACE_TRACEME, 0, 0, 0) < 0) { perror("PTRACE_TRACEME"); + trace_fail_warning(getpid()); exit(1); } } +/* There's a (hopefully) brief period of time after the child process + * forks when we can't trace it yet. Here we wait for kernel to + * prepare the process. */ int -trace_pid(pid_t pid) { - debug(DEBUG_PROCESS, "trace_pid: pid=%d\n", pid); - if (ptrace(PTRACE_ATTACH, pid, 1, 0) < 0) { - return -1; - } - +wait_for_proc(pid_t pid) +{ /* man ptrace: PTRACE_ATTACH attaches to the process specified in pid. The child is sent a SIGSTOP, but will not necessarily have stopped by the completion of this call; use wait() to wait for the child to stop. */ - if (waitpid (pid, NULL, 0) != pid) { + if (waitpid(pid, NULL, __WALL) != pid) { perror ("trace_pid: waitpid"); - exit (1); + return -1; } return 0; } +int +trace_pid(pid_t pid) +{ + debug(DEBUG_PROCESS, "trace_pid: pid=%d", pid); + /* This shouldn't emit error messages, as there are legitimate + * reasons that the PID can't be attached: like it may have + * already ended. */ + if (ptrace(PTRACE_ATTACH, pid, 0, 0) < 0) + return -1; + + return wait_for_proc(pid); +} + void -trace_set_options(Process *proc, pid_t pid) { +trace_set_options(struct Process *proc) +{ if (proc->tracesysgood & 0x80) return; - debug(DEBUG_PROCESS, "trace_set_options: pid=%d\n", pid); + pid_t pid = proc->pid; + debug(DEBUG_PROCESS, "trace_set_options: pid=%d", pid); long options = PTRACE_O_TRACESYSGOOD | PTRACE_O_TRACEFORK | PTRACE_O_TRACEVFORK | PTRACE_O_TRACECLONE | PTRACE_O_TRACEEXEC; - if (ptrace(PTRACE_SETOPTIONS, pid, 0, options) < 0 && - ptrace(PTRACE_OLDSETOPTIONS, pid, 0, options) < 0) { + if (ptrace(PTRACE_SETOPTIONS, pid, 0, (void *)options) < 0 && + ptrace(PTRACE_OLDSETOPTIONS, pid, 0, (void *)options) < 0) { perror("PTRACE_SETOPTIONS"); return; } @@ -107,87 +132,1077 @@ trace_set_options(Process *proc, pid_t pid) { void untrace_pid(pid_t pid) { - debug(DEBUG_PROCESS, "untrace_pid: pid=%d\n", pid); - ptrace(PTRACE_DETACH, pid, 1, 0); + debug(DEBUG_PROCESS, "untrace_pid: pid=%d", pid); + ptrace(PTRACE_DETACH, pid, 0, 0); } void -continue_after_signal(pid_t pid, int signum) { - Process *proc; +continue_after_signal(pid_t pid, int signum) +{ + debug(DEBUG_PROCESS, "continue_after_signal: pid=%d, signum=%d", + pid, signum); + ptrace(PTRACE_SYSCALL, pid, 0, (void *)(uintptr_t)signum); +} - debug(DEBUG_PROCESS, "continue_after_signal: pid=%d, signum=%d", pid, signum); +static enum ecb_status +event_for_pid(Event *event, void *data) +{ + if (event->proc != NULL && event->proc->pid == (pid_t)(uintptr_t)data) + return ecb_yield; + return ecb_cont; +} - proc = pid2proc(pid); - if (proc && proc->breakpoint_being_enabled) { -#if defined __sparc__ || defined __ia64___ - ptrace(PTRACE_SYSCALL, pid, 0, signum); -#else - ptrace(PTRACE_SINGLESTEP, pid, 0, signum); -#endif +static int +have_events_for(pid_t pid) +{ + return each_qd_event(event_for_pid, (void *)(uintptr_t)pid) != NULL; +} + +void +continue_process(pid_t pid) +{ + debug(DEBUG_PROCESS, "continue_process: pid=%d", pid); + + /* Only really continue the process if there are no events in + the queue for this process. Otherwise just wait for the + other events to arrive. */ + if (!have_events_for(pid)) + /* We always trace syscalls to control fork(), + * clone(), execve()... */ + ptrace(PTRACE_SYSCALL, pid, 0, 0); + else + debug(DEBUG_PROCESS, + "putting off the continue, events in que."); +} + +static struct pid_task * +get_task_info(struct pid_set *pids, pid_t pid) +{ + assert(pid != 0); + size_t i; + for (i = 0; i < pids->count; ++i) + if (pids->tasks[i].pid == pid) + return &pids->tasks[i]; + + return NULL; +} + +static struct pid_task * +add_task_info(struct pid_set *pids, pid_t pid) +{ + if (pids->count == pids->alloc) { + size_t ns = (2 * pids->alloc) ?: 4; + struct pid_task *n = realloc(pids->tasks, + sizeof(*pids->tasks) * ns); + if (n == NULL) + return NULL; + pids->tasks = n; + pids->alloc = ns; + } + struct pid_task * task_info = &pids->tasks[pids->count++]; + memset(task_info, 0, sizeof(*task_info)); + task_info->pid = pid; + return task_info; +} + +static enum callback_status +task_stopped(struct Process *task, void *data) +{ + enum process_status st = process_status(task->pid); + if (data != NULL) + *(enum process_status *)data = st; + + /* If the task is already stopped, don't worry about it. + * Likewise if it managed to become a zombie or terminate in + * the meantime. This can happen when the whole thread group + * is terminating. */ + switch (st) { + case ps_invalid: + case ps_tracing_stop: + case ps_zombie: + return CBS_CONT; + case ps_sleeping: + case ps_stop: + case ps_other: + return CBS_STOP; + } + + abort (); +} + +/* Task is blocked if it's stopped, or if it's a vfork parent. */ +static enum callback_status +task_blocked(struct Process *task, void *data) +{ + struct pid_set *pids = data; + struct pid_task *task_info = get_task_info(pids, task->pid); + if (task_info != NULL + && task_info->vforked) + return CBS_CONT; + + return task_stopped(task, NULL); +} + +static Event *process_vfork_on_event(struct event_handler *super, Event *event); + +static enum callback_status +task_vforked(struct Process *task, void *data) +{ + if (task->event_handler != NULL + && task->event_handler->on_event == &process_vfork_on_event) + return CBS_STOP; + return CBS_CONT; +} + +static int +is_vfork_parent(struct Process *task) +{ + return each_task(task->leader, NULL, &task_vforked, NULL) != NULL; +} + +static enum callback_status +send_sigstop(struct Process *task, void *data) +{ + struct Process *leader = task->leader; + struct pid_set *pids = data; + + /* Look for pre-existing task record, or add new. */ + struct pid_task *task_info = get_task_info(pids, task->pid); + if (task_info == NULL) + task_info = add_task_info(pids, task->pid); + if (task_info == NULL) { + perror("send_sigstop: add_task_info"); + destroy_event_handler(leader); + /* Signal failure upwards. */ + return CBS_STOP; + } + + /* This task still has not been attached to. It should be + stopped by the kernel. */ + if (task->state == STATE_BEING_CREATED) + return CBS_CONT; + + /* Don't bother sending SIGSTOP if we are already stopped, or + * if we sent the SIGSTOP already, which happens when we are + * handling "onexit" and inherited the handler from breakpoint + * re-enablement. */ + enum process_status st; + if (task_stopped(task, &st) == CBS_CONT) + return CBS_CONT; + if (task_info->sigstopped) { + if (!task_info->delivered) + return CBS_CONT; + task_info->delivered = 0; + } + + /* Also don't attempt to stop the process if it's a parent of + * vforked process. We set up event handler specially to hint + * us. In that case parent is in D state, which we use to + * weed out unnecessary looping. */ + if (st == ps_sleeping + && is_vfork_parent (task)) { + task_info->vforked = 1; + return CBS_CONT; + } + + if (task_kill(task->pid, SIGSTOP) >= 0) { + debug(DEBUG_PROCESS, "send SIGSTOP to %d", task->pid); + task_info->sigstopped = 1; + } else + fprintf(stderr, + "Warning: couldn't send SIGSTOP to %d\n", task->pid); + + return CBS_CONT; +} + +/* On certain kernels, detaching right after a singlestep causes the + tracee to be killed with a SIGTRAP (that even though the singlestep + was properly caught by waitpid. The ugly workaround is to put a + breakpoint where IP points and let the process continue. After + this the breakpoint can be retracted and the process detached. */ +static void +ugly_workaround(struct Process *proc) +{ + void *ip = get_instruction_pointer(proc); + struct breakpoint *sbp = dict_find_entry(proc->leader->breakpoints, ip); + if (sbp != NULL) + enable_breakpoint(proc, sbp); + else + insert_breakpoint(proc, ip, NULL); + ptrace(PTRACE_CONT, proc->pid, 0, 0); +} + +static void +process_stopping_done(struct process_stopping_handler *self, + struct Process *leader) +{ + debug(DEBUG_PROCESS, "process stopping done %d", + self->task_enabling_breakpoint->pid); + + if (!self->exiting) { + size_t i; + for (i = 0; i < self->pids.count; ++i) + if (self->pids.tasks[i].pid != 0 + && (self->pids.tasks[i].delivered + || self->pids.tasks[i].sysret)) + continue_process(self->pids.tasks[i].pid); + continue_process(self->task_enabling_breakpoint->pid); + } + + if (self->exiting) { + ugly_workaround: + self->state = psh_ugly_workaround; + ugly_workaround(self->task_enabling_breakpoint); } else { - ptrace(PTRACE_SYSCALL, pid, 0, signum); + switch ((self->ugly_workaround_p)(self)) { + case CBS_FAIL: + /* xxx handle me */ + case CBS_STOP: + break; + case CBS_CONT: + goto ugly_workaround; + } + destroy_event_handler(leader); } } -void -continue_process(pid_t pid) { - /* We always trace syscalls to control fork(), clone(), execve()... */ +/* Before we detach, we need to make sure that task's IP is on the + * edge of an instruction. So for tasks that have a breakpoint event + * in the queue, we adjust the instruction pointer, just like + * continue_after_breakpoint does. */ +static enum ecb_status +undo_breakpoint(Event *event, void *data) +{ + if (event != NULL + && event->proc->leader == data + && event->type == EVENT_BREAKPOINT) + set_instruction_pointer(event->proc, event->e_un.brk_addr); + return ecb_cont; +} - debug(DEBUG_PROCESS, "continue_process: pid=%d", pid); +static enum callback_status +untrace_task(struct Process *task, void *data) +{ + if (task != data) + untrace_pid(task->pid); + return CBS_CONT; +} + +static enum callback_status +remove_task(struct Process *task, void *data) +{ + /* Don't untrace leader just yet. */ + if (task != data) + remove_process(task); + return CBS_CONT; +} + +static enum callback_status +retract_breakpoint_cb(struct Process *proc, struct breakpoint *bp, void *data) +{ + breakpoint_on_retract(bp, proc); + return CBS_CONT; +} + +static void +detach_process(struct Process *leader) +{ + each_qd_event(&undo_breakpoint, leader); + disable_all_breakpoints(leader); + proc_each_breakpoint(leader, NULL, retract_breakpoint_cb, NULL); + + /* Now untrace the process, if it was attached to by -p. */ + struct opt_p_t *it; + for (it = opt_p; it != NULL; it = it->next) { + struct Process *proc = pid2proc(it->pid); + if (proc == NULL) + continue; + if (proc->leader == leader) { + each_task(leader, NULL, &untrace_task, NULL); + break; + } + } + each_task(leader, NULL, &remove_task, leader); + destroy_event_handler(leader); + remove_task(leader, NULL); +} + +static void +handle_stopping_event(struct pid_task *task_info, Event **eventp) +{ + /* Mark all events, so that we know whom to SIGCONT later. */ + if (task_info != NULL) + task_info->got_event = 1; + + Event *event = *eventp; + + /* In every state, sink SIGSTOP events for tasks that it was + * sent to. */ + if (task_info != NULL + && event->type == EVENT_SIGNAL + && event->e_un.signum == SIGSTOP) { + debug(DEBUG_PROCESS, "SIGSTOP delivered to %d", task_info->pid); + if (task_info->sigstopped + && !task_info->delivered) { + task_info->delivered = 1; + *eventp = NULL; // sink the event + } else + fprintf(stderr, "suspicious: %d got SIGSTOP, but " + "sigstopped=%d and delivered=%d\n", + task_info->pid, task_info->sigstopped, + task_info->delivered); + } +} + +/* Some SIGSTOPs may have not been delivered to their respective tasks + * yet. They are still in the queue. If we have seen an event for + * that process, continue it, so that the SIGSTOP can be delivered and + * caught by ltrace. We don't mind that the process is after + * breakpoint (and therefore potentially doesn't have aligned IP), + * because the signal will be delivered without the process actually + * starting. */ +static void +continue_for_sigstop_delivery(struct pid_set *pids) +{ + size_t i; + for (i = 0; i < pids->count; ++i) { + if (pids->tasks[i].pid != 0 + && pids->tasks[i].sigstopped + && !pids->tasks[i].delivered + && pids->tasks[i].got_event) { + debug(DEBUG_PROCESS, "continue %d for SIGSTOP delivery", + pids->tasks[i].pid); + ptrace(PTRACE_SYSCALL, pids->tasks[i].pid, 0, 0); + } + } +} + +static int +event_exit_p(Event *event) +{ + return event != NULL && (event->type == EVENT_EXIT + || event->type == EVENT_EXIT_SIGNAL); +} - ptrace(PTRACE_SYSCALL, pid, 0, 0); +static int +event_exit_or_none_p(Event *event) +{ + return event == NULL || event_exit_p(event) + || event->type == EVENT_NONE; +} + +static int +await_sigstop_delivery(struct pid_set *pids, struct pid_task *task_info, + Event *event) +{ + /* If we still didn't get our SIGSTOP, continue the process + * and carry on. */ + if (event != NULL && !event_exit_or_none_p(event) + && task_info != NULL && task_info->sigstopped) { + debug(DEBUG_PROCESS, "continue %d for SIGSTOP delivery", + task_info->pid); + /* We should get the signal the first thing + * after this, so it should be OK to continue + * even if we are over a breakpoint. */ + ptrace(PTRACE_SYSCALL, task_info->pid, 0, 0); + + } else { + /* If all SIGSTOPs were delivered, uninstall the + * handler and continue everyone. */ + /* XXX I suspect that we should check tasks that are + * still around. Is things are now, there should be a + * race between waiting for everyone to stop and one + * of the tasks exiting. */ + int all_clear = 1; + size_t i; + for (i = 0; i < pids->count; ++i) + if (pids->tasks[i].pid != 0 + && pids->tasks[i].sigstopped + && !pids->tasks[i].delivered) { + all_clear = 0; + break; + } + return all_clear; + } + + return 0; +} + +static int +all_stops_accountable(struct pid_set *pids) +{ + size_t i; + for (i = 0; i < pids->count; ++i) + if (pids->tasks[i].pid != 0 + && !pids->tasks[i].got_event + && !have_events_for(pids->tasks[i].pid)) + return 0; + return 1; +} + +/* The protocol is: 0 for success, negative for failure, positive if + * default singlestep is to be used. */ +int arch_atomic_singlestep(struct Process *proc, struct breakpoint *sbp, + int (*add_cb)(void *addr, void *data), + void *add_cb_data); + +#ifndef ARCH_HAVE_ATOMIC_SINGLESTEP +int +arch_atomic_singlestep(struct Process *proc, struct breakpoint *sbp, + int (*add_cb)(void *addr, void *data), + void *add_cb_data) +{ + return 1; +} +#endif + +static Event *process_stopping_on_event(struct event_handler *super, + Event *event); + +static void +remove_atomic_breakpoints(struct Process *proc) +{ + struct process_stopping_handler *self + = (void *)proc->leader->event_handler; + assert(self != NULL); + assert(self->super.on_event == process_stopping_on_event); + + int ct = sizeof(self->atomic_skip_bp_addrs) + / sizeof(*self->atomic_skip_bp_addrs); + int i; + for (i = 0; i < ct; ++i) + if (self->atomic_skip_bp_addrs[i] != 0) { + delete_breakpoint(proc, self->atomic_skip_bp_addrs[i]); + self->atomic_skip_bp_addrs[i] = 0; + } +} + +static void +atomic_singlestep_bp_on_hit(struct breakpoint *bp, struct Process *proc) +{ + remove_atomic_breakpoints(proc); +} + +static int +atomic_singlestep_add_bp(void *addr, void *data) +{ + struct process_stopping_handler *self = data; + struct Process *proc = self->task_enabling_breakpoint; + + int ct = sizeof(self->atomic_skip_bp_addrs) + / sizeof(*self->atomic_skip_bp_addrs); + int i; + for (i = 0; i < ct; ++i) + if (self->atomic_skip_bp_addrs[i] == 0) { + self->atomic_skip_bp_addrs[i] = addr; + static struct bp_callbacks cbs = { + .on_hit = atomic_singlestep_bp_on_hit, + }; + struct breakpoint *bp + = insert_breakpoint(proc, addr, NULL); + breakpoint_set_callbacks(bp, &cbs); + return 0; + } + + assert(!"Too many atomic singlestep breakpoints!"); + abort(); +} + +static int +singlestep(struct process_stopping_handler *self) +{ + struct Process *proc = self->task_enabling_breakpoint; + + int status = arch_atomic_singlestep(self->task_enabling_breakpoint, + self->breakpoint_being_enabled, + &atomic_singlestep_add_bp, self); + + /* Propagate failure and success. */ + if (status <= 0) + return status; + + /* Otherwise do the default action: singlestep. */ + debug(1, "PTRACE_SINGLESTEP"); + if (ptrace(PTRACE_SINGLESTEP, proc->pid, 0, 0)) { + perror("PTRACE_SINGLESTEP"); + return -1; + } + return 0; +} + +static void +post_singlestep(struct process_stopping_handler *self, + struct Event **eventp) +{ + continue_for_sigstop_delivery(&self->pids); + + if (*eventp != NULL && (*eventp)->type == EVENT_BREAKPOINT) + *eventp = NULL; // handled + + struct Process *proc = self->task_enabling_breakpoint; + + remove_atomic_breakpoints(proc); + self->breakpoint_being_enabled = NULL; +} + +static void +singlestep_error(struct process_stopping_handler *self) +{ + struct Process *teb = self->task_enabling_breakpoint; + struct breakpoint *sbp = self->breakpoint_being_enabled; + fprintf(stderr, "%d couldn't continue when handling %s (%p) at %p\n", + teb->pid, breakpoint_name(sbp), sbp->addr, + get_instruction_pointer(teb)); + delete_breakpoint(teb->leader, sbp->addr); +} + +static void +pt_continue(struct process_stopping_handler *self) +{ + struct Process *teb = self->task_enabling_breakpoint; + debug(1, "PTRACE_CONT"); + ptrace(PTRACE_CONT, teb->pid, 0, 0); +} + +static void +pt_singlestep(struct process_stopping_handler *self) +{ + if (singlestep(self) < 0) + singlestep_error(self); +} + +static void +disable_and(struct process_stopping_handler *self, + void (*do_this)(struct process_stopping_handler *self)) +{ + struct Process *teb = self->task_enabling_breakpoint; + debug(DEBUG_PROCESS, "all stopped, now singlestep/cont %d", teb->pid); + if (self->breakpoint_being_enabled->enabled) + disable_breakpoint(teb, self->breakpoint_being_enabled); + (do_this)(self); + self->state = psh_singlestep; +} + +void +linux_ptrace_disable_and_singlestep(struct process_stopping_handler *self) +{ + disable_and(self, &pt_singlestep); } void -continue_enabling_breakpoint(pid_t pid, Breakpoint *sbp) { - enable_breakpoint(pid, sbp); - continue_process(pid); +linux_ptrace_disable_and_continue(struct process_stopping_handler *self) +{ + disable_and(self, &pt_continue); +} + +/* This event handler is installed when we are in the process of + * stopping the whole thread group to do the pointer re-enablement for + * one of the threads. We pump all events to the queue for later + * processing while we wait for all the threads to stop. When this + * happens, we let the re-enablement thread to PTRACE_SINGLESTEP, + * re-enable, and continue everyone. */ +static Event * +process_stopping_on_event(struct event_handler *super, Event *event) +{ + struct process_stopping_handler *self = (void *)super; + struct Process *task = event->proc; + struct Process *leader = task->leader; + struct Process *teb = self->task_enabling_breakpoint; + + debug(DEBUG_PROCESS, + "process_stopping_on_event: pid %d; event type %d; state %d", + task->pid, event->type, self->state); + + struct pid_task *task_info = get_task_info(&self->pids, task->pid); + if (task_info == NULL) + fprintf(stderr, "new task??? %d\n", task->pid); + handle_stopping_event(task_info, &event); + + int state = self->state; + int event_to_queue = !event_exit_or_none_p(event); + + /* Deactivate the entry if the task exits. */ + if (event_exit_p(event) && task_info != NULL) + task_info->pid = 0; + + /* Always handle sysrets. Whether sysret occurred and what + * sys it rets from may need to be determined based on process + * stack, so we need to keep that in sync with reality. Note + * that we don't continue the process after the sysret is + * handled. See continue_after_syscall. */ + if (event != NULL && event->type == EVENT_SYSRET) { + debug(1, "%d LT_EV_SYSRET", event->proc->pid); + event_to_queue = 0; + task_info->sysret = 1; + } + + switch (state) { + case psh_stopping: + /* If everyone is stopped, singlestep. */ + if (each_task(leader, NULL, &task_blocked, + &self->pids) == NULL) { + (self->on_all_stopped)(self); + state = self->state; + } + break; + + case psh_singlestep: + /* In singlestep state, breakpoint signifies that we + * have now stepped, and can re-enable the breakpoint. */ + if (event != NULL && task == teb) { + + /* If this was caused by a real breakpoint, as + * opposed to a singlestep, assume that it's + * an artificial breakpoint installed for some + * reason for the re-enablement. In that case + * handle it. */ + if (event->type == EVENT_BREAKPOINT) { + arch_addr_t ip + = get_instruction_pointer(task); + struct breakpoint *other + = address2bpstruct(leader, ip); + if (other != NULL) + breakpoint_on_hit(other, task); + } + + /* If we got SIGNAL instead of BREAKPOINT, + * then this is not singlestep at all. */ + if (event->type == EVENT_SIGNAL) { + do_singlestep: + if (singlestep(self) < 0) { + singlestep_error(self); + post_singlestep(self, &event); + goto psh_sinking; + } + break; + } else { + switch ((self->keep_stepping_p)(self)) { + case CBS_FAIL: + /* XXX handle me */ + case CBS_STOP: + break; + case CBS_CONT: + /* Sink singlestep event. */ + if (event->type == EVENT_BREAKPOINT) + event = NULL; + goto do_singlestep; + } + } + + /* Re-enable the breakpoint that we are + * stepping over. */ + struct breakpoint *sbp = self->breakpoint_being_enabled; + if (sbp->enabled) + enable_breakpoint(teb, sbp); + + post_singlestep(self, &event); + goto psh_sinking; + } + break; + + psh_sinking: + state = self->state = psh_sinking; + case psh_sinking: + if (await_sigstop_delivery(&self->pids, task_info, event)) + process_stopping_done(self, leader); + break; + + case psh_ugly_workaround: + if (event == NULL) + break; + if (event->type == EVENT_BREAKPOINT) { + undo_breakpoint(event, leader); + if (task == teb) + self->task_enabling_breakpoint = NULL; + } + if (self->task_enabling_breakpoint == NULL + && all_stops_accountable(&self->pids)) { + undo_breakpoint(event, leader); + detach_process(leader); + event = NULL; // handled + } + } + + if (event != NULL && event_to_queue) { + enque_event(event); + event = NULL; // sink the event + } + + return event; +} + +static void +process_stopping_destroy(struct event_handler *super) +{ + struct process_stopping_handler *self = (void *)super; + free(self->pids.tasks); +} + +static enum callback_status +no(struct process_stopping_handler *self) +{ + return CBS_STOP; +} + +int +process_install_stopping_handler(struct Process *proc, struct breakpoint *sbp, + void (*as)(struct process_stopping_handler *), + enum callback_status (*ks) + (struct process_stopping_handler *), + enum callback_status (*uw) + (struct process_stopping_handler *)) +{ + debug(DEBUG_FUNCTION, + "process_install_stopping_handler: pid=%d", proc->pid); + + struct process_stopping_handler *handler = calloc(sizeof(*handler), 1); + if (handler == NULL) + return -1; + + if (as == NULL) + as = &linux_ptrace_disable_and_singlestep; + if (ks == NULL) + ks = &no; + if (uw == NULL) + uw = &no; + + handler->super.on_event = process_stopping_on_event; + handler->super.destroy = process_stopping_destroy; + handler->task_enabling_breakpoint = proc; + handler->breakpoint_being_enabled = sbp; + handler->on_all_stopped = as; + handler->keep_stepping_p = ks; + handler->ugly_workaround_p = uw; + + install_event_handler(proc->leader, &handler->super); + + if (each_task(proc->leader, NULL, &send_sigstop, + &handler->pids) != NULL) { + destroy_event_handler(proc); + return -1; + } + + /* And deliver the first fake event, in case all the + * conditions are already fulfilled. */ + Event ev = { + .type = EVENT_NONE, + .proc = proc, + }; + process_stopping_on_event(&handler->super, &ev); + + return 0; } void -continue_after_breakpoint(Process *proc, Breakpoint *sbp) { - if (sbp->enabled) - disable_breakpoint(proc->pid, sbp); +continue_after_breakpoint(Process *proc, struct breakpoint *sbp) +{ + debug(DEBUG_PROCESS, + "continue_after_breakpoint: pid=%d, addr=%p", + proc->pid, sbp->addr); + set_instruction_pointer(proc, sbp->addr); + if (sbp->enabled == 0) { continue_process(proc->pid); } else { - debug(DEBUG_PROCESS, "continue_after_breakpoint: pid=%d, addr=%p", proc->pid, sbp->addr); - proc->breakpoint_being_enabled = sbp; #if defined __sparc__ || defined __ia64___ /* we don't want to singlestep here */ continue_process(proc->pid); #else - ptrace(PTRACE_SINGLESTEP, proc->pid, 0, 0); + if (process_install_stopping_handler + (proc, sbp, NULL, NULL, NULL) < 0) { + perror("process_stopping_handler_create"); + /* Carry on not bothering to re-enable. */ + continue_process(proc->pid); + } #endif } } -/* Read a series of bytes starting at the process's memory address - 'addr' and continuing until a NUL ('\0') is seen or 'len' bytes - have been read. -*/ +/** + * Ltrace exit. When we are about to exit, we have to go through all + * the processes, stop them all, remove all the breakpoints, and then + * detach the processes that we attached to using -p. If we left the + * other tasks running, they might hit stray return breakpoints and + * produce artifacts, so we better stop everyone, even if it's a bit + * of extra work. + */ +struct ltrace_exiting_handler +{ + struct event_handler super; + struct pid_set pids; +}; + +static Event * +ltrace_exiting_on_event(struct event_handler *super, Event *event) +{ + struct ltrace_exiting_handler *self = (void *)super; + struct Process *task = event->proc; + struct Process *leader = task->leader; + + debug(DEBUG_PROCESS, + "ltrace_exiting_on_event: pid %d; event type %d", + task->pid, event->type); + + struct pid_task *task_info = get_task_info(&self->pids, task->pid); + handle_stopping_event(task_info, &event); + + if (event != NULL && event->type == EVENT_BREAKPOINT) + undo_breakpoint(event, leader); + + if (await_sigstop_delivery(&self->pids, task_info, event) + && all_stops_accountable(&self->pids)) + detach_process(leader); + + /* Sink all non-exit events. We are about to exit, so we + * don't bother with queuing them. */ + if (event_exit_or_none_p(event)) + return event; + + return NULL; +} + +static void +ltrace_exiting_destroy(struct event_handler *super) +{ + struct ltrace_exiting_handler *self = (void *)super; + free(self->pids.tasks); +} + +static int +ltrace_exiting_install_handler(struct Process *proc) +{ + /* Only install to leader. */ + if (proc->leader != proc) + return 0; + + /* Perhaps we are already installed, if the user passed + * several -p options that are tasks of one process. */ + if (proc->event_handler != NULL + && proc->event_handler->on_event == <race_exiting_on_event) + return 0; + + /* If stopping handler is already present, let it do the + * work. */ + if (proc->event_handler != NULL) { + assert(proc->event_handler->on_event + == &process_stopping_on_event); + struct process_stopping_handler *other + = (void *)proc->event_handler; + other->exiting = 1; + return 0; + } + + struct ltrace_exiting_handler *handler + = calloc(sizeof(*handler), 1); + if (handler == NULL) { + perror("malloc exiting handler"); + fatal: + /* XXXXXXXXXXXXXXXXXXX fixme */ + return -1; + } + + handler->super.on_event = ltrace_exiting_on_event; + handler->super.destroy = ltrace_exiting_destroy; + install_event_handler(proc->leader, &handler->super); + + if (each_task(proc->leader, NULL, &send_sigstop, + &handler->pids) != NULL) + goto fatal; + + return 0; +} + +/* + * When the traced process vforks, it's suspended until the child + * process calls _exit or exec*. In the meantime, the two share the + * address space. + * + * The child process should only ever call _exit or exec*, but we + * can't count on that (it's not the role of ltrace to policy, but to + * observe). In any case, we will _at least_ have to deal with + * removal of vfork return breakpoint (which we have to smuggle back + * in, so that the parent can see it, too), and introduction of exec* + * return breakpoint. Since we already have both breakpoint actions + * to deal with, we might as well support it all. + * + * The gist is that we pretend that the child is in a thread group + * with its parent, and handle it as a multi-threaded case, with the + * exception that we know that the parent is blocked, and don't + * attempt to stop it. When the child execs, we undo the setup. + */ + +struct process_vfork_handler +{ + struct event_handler super; + void *bp_addr; +}; + +static Event * +process_vfork_on_event(struct event_handler *super, Event *event) +{ + debug(DEBUG_PROCESS, + "process_vfork_on_event: pid %d; event type %d", + event->proc->pid, event->type); + + struct process_vfork_handler *self = (void *)super; + struct breakpoint *sbp; + assert(self != NULL); + + switch (event->type) { + case EVENT_BREAKPOINT: + /* Remember the vfork return breakpoint. */ + if (self->bp_addr == 0) + self->bp_addr = event->e_un.brk_addr; + break; + + case EVENT_EXIT: + case EVENT_EXIT_SIGNAL: + case EVENT_EXEC: + /* Smuggle back in the vfork return breakpoint, so + * that our parent can trip over it once again. */ + if (self->bp_addr != 0) { + sbp = dict_find_entry(event->proc->leader->breakpoints, + self->bp_addr); + if (sbp != NULL) + assert(sbp->libsym == NULL); + /* We don't mind failing that, it's not a big + * deal to not display one extra vfork return. */ + insert_breakpoint(event->proc->parent, + self->bp_addr, NULL); + } + + continue_process(event->proc->parent->pid); + + /* Remove the leader that we artificially set up + * earlier. */ + change_process_leader(event->proc, event->proc); + destroy_event_handler(event->proc); + + default: + ; + } + + return event; +} + +void +continue_after_vfork(struct Process *proc) +{ + debug(DEBUG_PROCESS, "continue_after_vfork: pid=%d", proc->pid); + struct process_vfork_handler *handler = calloc(sizeof(*handler), 1); + if (handler == NULL) { + perror("malloc vfork handler"); + /* Carry on not bothering to treat the process as + * necessary. */ + continue_process(proc->parent->pid); + return; + } + + /* We must set up custom event handler, so that we see + * exec/exit events for the task itself. */ + handler->super.on_event = process_vfork_on_event; + install_event_handler(proc, &handler->super); + + /* Make sure that the child is sole thread. */ + assert(proc->leader == proc); + assert(proc->next == NULL || proc->next->leader != proc); + + /* Make sure that the child's parent is properly set up. */ + assert(proc->parent != NULL); + assert(proc->parent->leader != NULL); + + change_process_leader(proc, proc->parent->leader); +} + +static int +is_mid_stopping(Process *proc) +{ + return proc != NULL + && proc->event_handler != NULL + && proc->event_handler->on_event == &process_stopping_on_event; +} + +void +continue_after_syscall(struct Process *proc, int sysnum, int ret_p) +{ + /* Don't continue if we are mid-stopping. */ + if (ret_p && (is_mid_stopping(proc) || is_mid_stopping(proc->leader))) { + debug(DEBUG_PROCESS, + "continue_after_syscall: don't continue %d", + proc->pid); + return; + } + continue_process(proc->pid); +} + +/* If ltrace gets SIGINT, the processes directly or indirectly run by + * ltrace get it too. We just have to wait long enough for the signal + * to be delivered and the process terminated, which we notice and + * exit ltrace, too. So there's not much we need to do there. We + * want to keep tracing those processes as usual, in case they just + * SIG_IGN the SIGINT to do their shutdown etc. + * + * For processes ran on the background, we want to install an exit + * handler that stops all the threads, removes all breakpoints, and + * detaches. + */ +void +os_ltrace_exiting(void) +{ + struct opt_p_t *it; + for (it = opt_p; it != NULL; it = it->next) { + struct Process *proc = pid2proc(it->pid); + if (proc == NULL || proc->leader == NULL) + continue; + if (ltrace_exiting_install_handler(proc->leader) < 0) + fprintf(stderr, + "Couldn't install exiting handler for %d.\n", + proc->pid); + } +} + int -umovestr(Process *proc, void *addr, int len, void *laddr) { +os_ltrace_exiting_sighandler(void) +{ + extern int linux_in_waitpid; + if (linux_in_waitpid) { + os_ltrace_exiting(); + return 1; + } + return 0; +} + +size_t +umovebytes(Process *proc, void *addr, void *laddr, size_t len) { + union { long a; char c[sizeof(long)]; } a; - int i; - int offset = 0; + int started = 0; + size_t offset = 0, bytes_read = 0; while (offset < len) { a.a = ptrace(PTRACE_PEEKTEXT, proc->pid, addr + offset, 0); - for (i = 0; i < sizeof(long); i++) { - if (a.c[i] && offset + (signed)i < len) { - *(char *)(laddr + offset + i) = a.c[i]; - } else { - *(char *)(laddr + offset + i) = '\0'; - return 0; - } + if (a.a == -1 && errno) { + if (started && errno == EIO) + return bytes_read; + else + return -1; + } + started = 1; + + if (len - offset >= sizeof(long)) { + memcpy(laddr + offset, &a.c[0], sizeof(long)); + bytes_read += sizeof(long); + } + else { + memcpy(laddr + offset, &a.c[0], len - offset); + bytes_read += (len - offset); } offset += sizeof(long); } - *(char *)(laddr + offset) = '\0'; - return 0; + + return bytes_read; } diff --git a/sysdeps/linux-gnu/trace.h b/sysdeps/linux-gnu/trace.h new file mode 100644 index 0000000..88ac33d --- /dev/null +++ b/sysdeps/linux-gnu/trace.h @@ -0,0 +1,121 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011,2012 Petr Machata, Red Hat Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#ifndef _LTRACE_LINUX_TRACE_H_ +#define _LTRACE_LINUX_TRACE_H_ + +#include "proc.h" + +/* This publishes some Linux-specific data structures used for process + * handling. */ + +/** + * This is used for bookkeeping related to PIDs that the event + * handlers work with. + */ +struct pid_task { + pid_t pid; /* This may be 0 for tasks that exited + * mid-handling. */ + int sigstopped : 1; + int got_event : 1; + int delivered : 1; + int vforked : 1; + int sysret : 1; +}; + +struct pid_set { + struct pid_task *tasks; + size_t count; + size_t alloc; +}; + +/** + * Breakpoint re-enablement. When we hit a breakpoint, we must + * disable it, single-step, and re-enable it. That single-step can be + * done only by one task in a task group, while others are stopped, + * otherwise the processes would race for who sees the breakpoint + * disabled and who doesn't. The following is to keep track of it + * all. + */ +struct process_stopping_handler +{ + struct event_handler super; + + /* The task that is doing the re-enablement. */ + struct Process *task_enabling_breakpoint; + + /* The pointer being re-enabled. */ + struct breakpoint *breakpoint_being_enabled; + + /* Artificial atomic skip breakpoint, if any needed. */ + void *atomic_skip_bp_addrs[2]; + + /* When all tasks are stopped, this callback gets called. */ + void (*on_all_stopped)(struct process_stopping_handler *); + + /* When we get a singlestep event, this is called to decide + * whether to stop stepping, or whether to enable the + * brakpoint, sink remaining signals, and continue + * everyone. */ + enum callback_status (*keep_stepping_p) + (struct process_stopping_handler *); + + /* Whether we need to use ugly workaround to get around + * various problems with singlestepping. */ + enum callback_status (*ugly_workaround_p) + (struct process_stopping_handler *); + + enum { + /* We are waiting for everyone to land in t/T. */ + psh_stopping = 0, + + /* We are doing the PTRACE_SINGLESTEP. */ + psh_singlestep, + + /* We are waiting for all the SIGSTOPs to arrive so + * that we can sink them. */ + psh_sinking, + + /* This is for tracking the ugly workaround. */ + psh_ugly_workaround, + } state; + + int exiting; + + struct pid_set pids; +}; + +/* Allocate a process stopping handler, initialize it and install it. + * Return 0 on success or a negative value on failure. Pass NULL for + * each callback to use a default instead. The default for + * ON_ALL_STOPPED is LINUX_PTRACE_DISABLE_AND_SINGLESTEP, the default + * for KEEP_STEPPING_P and UGLY_WORKAROUND_P is "no". */ +int process_install_stopping_handler + (struct Process *proc, struct breakpoint *sbp, + void (*on_all_stopped)(struct process_stopping_handler *), + enum callback_status (*keep_stepping_p) + (struct process_stopping_handler *), + enum callback_status (*ugly_workaround_p) + (struct process_stopping_handler *)); + +void linux_ptrace_disable_and_singlestep(struct process_stopping_handler *self); +void linux_ptrace_disable_and_continue(struct process_stopping_handler *self); + +#endif /* _LTRACE_LINUX_TRACE_H_ */ diff --git a/sysdeps/linux-gnu/x86/Makefile.am b/sysdeps/linux-gnu/x86/Makefile.am new file mode 100644 index 0000000..ee45bab --- /dev/null +++ b/sysdeps/linux-gnu/x86/Makefile.am @@ -0,0 +1,37 @@ +# This file is part of ltrace. +# Copyright (C) 2010 Marc Kleine-Budde, Pengutronix +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA + +noinst_LTLIBRARIES = \ + ../libcpu.la + +___libcpu_la_SOURCES = \ + plt.c \ + regs.c \ + trace.c \ + fetch.c + +noinst_HEADERS = \ + arch.h \ + ptrace.h \ + signalent.h \ + signalent1.h \ + syscallent.h \ + syscallent1.h + +MAINTAINERCLEANFILES = \ + Makefile.in diff --git a/sysdeps/linux-gnu/x86/Makefile.in b/sysdeps/linux-gnu/x86/Makefile.in new file mode 100644 index 0000000..bb7bc9f --- /dev/null +++ b/sysdeps/linux-gnu/x86/Makefile.in @@ -0,0 +1,532 @@ +# Makefile.in generated by automake 1.11.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, +# Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# This file is part of ltrace. +# Copyright (C) 2010 Marc Kleine-Budde, Pengutronix +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA + + +VPATH = @srcdir@ +pkgdatadir = $(datadir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkglibexecdir = $(libexecdir)/@PACKAGE@ +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = $(program_transform_name) +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : +NORMAL_UNINSTALL = : +PRE_UNINSTALL = : +POST_UNINSTALL = : +build_triplet = @build@ +host_triplet = @host@ +subdir = sysdeps/linux-gnu/x86 +DIST_COMMON = $(noinst_HEADERS) $(srcdir)/Makefile.am \ + $(srcdir)/Makefile.in +ACLOCAL_M4 = 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maintainer-clean maintainer-clean-generic mostlyclean \ + mostlyclean-compile mostlyclean-generic mostlyclean-libtool \ + pdf pdf-am ps ps-am tags uninstall uninstall-am + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/sysdeps/linux-gnu/x86/arch.h b/sysdeps/linux-gnu/x86/arch.h new file mode 100644 index 0000000..329cfba --- /dev/null +++ b/sysdeps/linux-gnu/x86/arch.h @@ -0,0 +1,36 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011, 2012 Petr Machata + * Copyright (C) 2006 Ian Wienand + * Copyright (C) 2004 Juan Cespedes + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#define BREAKPOINT_VALUE {0xcc} +#define BREAKPOINT_LENGTH 1 +#define DECR_PC_AFTER_BREAK 1 +#define ARCH_HAVE_FETCH_ARG +#define ARCH_HAVE_SIZEOF +#define ARCH_HAVE_ALIGNOF +#define ARCH_ENDIAN_LITTLE + +#ifdef __x86_64__ +#define LT_ELFCLASS ELFCLASS64 +#define LT_ELF_MACHINE EM_X86_64 +#endif +#define LT_ELFCLASS2 ELFCLASS32 +#define LT_ELF_MACHINE2 EM_386 diff --git a/sysdeps/linux-gnu/x86/fetch.c b/sysdeps/linux-gnu/x86/fetch.c new file mode 100644 index 0000000..4dab4cc --- /dev/null +++ b/sysdeps/linux-gnu/x86/fetch.c @@ -0,0 +1,849 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011,2012 Petr Machata + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include "config.h" + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "backend.h" +#include "expr.h" +#include "fetch.h" +#include "proc.h" +#include "ptrace.h" +#include "type.h" +#include "value.h" + +enum arg_class { + CLASS_INTEGER, + CLASS_SSE, + CLASS_NO, + CLASS_MEMORY, + CLASS_X87, +}; + +enum reg_pool { + POOL_FUNCALL, + POOL_SYSCALL, + /* A common pool for system call and function call return is + * enough, the ABI is similar enough. */ + POOL_RETVAL, +}; + +struct fetch_context +{ + struct user_regs_struct iregs; + struct user_fpregs_struct fpregs; + + void *stack_pointer; + size_t ireg; /* Used-up integer registers. */ + size_t freg; /* Used-up floating registers. */ + + union { + struct { + /* Storage classes for return type. We need + * to compute them anyway, so let's keep them + * around. */ + enum arg_class ret_classes[2]; + ssize_t num_ret_classes; + } x86_64; + struct { + struct value retval; + } ix86; + } u; +}; + +#ifndef __x86_64__ +__attribute__((noreturn)) static void +i386_unreachable(void) +{ + abort(); +} +#endif + +static int +contains_unaligned_fields(struct arg_type_info *info) +{ + /* XXX currently we don't support structure alignment. */ + return 0; +} + +static int +has_nontrivial_ctor_dtor(struct arg_type_info *info) +{ + /* XXX another unsupported aspect of type info. We might call + * these types "class" instead of "struct" in the config + * file. */ + return 0; +} + +static void +copy_int_register(struct fetch_context *context, + struct value *valuep, unsigned long val, size_t offset) +{ + if (valuep != NULL) { + unsigned char *buf = value_get_raw_data(valuep); + memcpy(buf + offset, &val, sizeof(val)); + } + context->ireg++; +} + +static void +copy_sse_register(struct fetch_context *context, struct value *valuep, + int half, size_t sz, size_t offset) +{ +#ifdef __x86_64__ + union { + uint32_t sse[4]; + long halves[2]; + } u; + size_t off = 4 * context->freg++; + memcpy(u.sse, context->fpregs.xmm_space + off, sizeof(u.sse)); + + if (valuep != NULL) { + unsigned char *buf = value_get_raw_data(valuep); + memcpy(buf + offset, u.halves + half, sz); + } +#else + i386_unreachable(); +#endif +} + +static void +allocate_stack_slot(struct fetch_context *context, + struct value *valuep, size_t sz, size_t offset, + size_t archw) +{ + size_t a = type_alignof(valuep->inferior, valuep->type); + if (a < archw) + a = archw; + context->stack_pointer + = (void *)align((unsigned long)context->stack_pointer, a); + + if (valuep != NULL) + value_in_inferior(valuep, context->stack_pointer); + context->stack_pointer += sz; +} + +static enum arg_class +allocate_x87(struct fetch_context *context, struct value *valuep, + size_t sz, size_t offset, enum reg_pool pool, size_t archw) +{ + /* Both i386 and x86_64 ABI only ever really use x87 registers + * to return values. Otherwise, the parameter is treated as + * if it were CLASS_MEMORY. On x86_64 x87 registers are only + * used for returning long double values, which we currently + * don't support. */ + + if (pool != POOL_RETVAL) { + allocate_stack_slot(context, valuep, sz, offset, archw); + return CLASS_MEMORY; + + } + + /* If the class is X87, the value is returned on the X87 stack + * in %st0 as 80-bit x87 number. + * + * If the class is X87UP, the value is returned together with + * the previous X87 value in %st0. + * + * If the class is COMPLEX_X87, the real part of the value is + * returned in %st0 and the imaginary part in %st1. */ + + if (valuep != NULL) { + union { + long double ld; + double d; + float f; + char buf[0]; + } u; + + /* The x87 floating point value is in long double + * format, so we need to convert in to the right type. + * Alternatively we might just leave it as is and + * smuggle the long double type into the value (via + * value_set_type), but for that we first need to + * support long double in the first place. */ + +#ifdef __x86_64__ + unsigned int *reg; +#else + long int *reg; +#endif + reg = &context->fpregs.st_space[0]; + memcpy(&u.ld, reg, sizeof(u)); + if (valuep->type->type == ARGTYPE_FLOAT) + u.f = (float)u.ld; + else if (valuep->type->type == ARGTYPE_DOUBLE) + u.d = (double)u.ld; + else + assert(!"Unexpected floating type!"), abort(); + + unsigned char *buf = value_get_raw_data(valuep); + memcpy(buf + offset, u.buf, sz); + } + return CLASS_X87; +} + +static enum arg_class +allocate_integer(struct fetch_context *context, struct value *valuep, + size_t sz, size_t offset, enum reg_pool pool) +{ +#define HANDLE(NUM, WHICH) \ + case NUM: \ + copy_int_register(context, valuep, \ + context->iregs.WHICH, offset); \ + return CLASS_INTEGER + + switch (pool) { + case POOL_FUNCALL: +#ifdef __x86_64__ + switch (context->ireg) { + HANDLE(0, rdi); + HANDLE(1, rsi); + HANDLE(2, rdx); + HANDLE(3, rcx); + HANDLE(4, r8); + HANDLE(5, r9); + default: + allocate_stack_slot(context, valuep, sz, offset, 8); + return CLASS_MEMORY; + } +#else + i386_unreachable(); +#endif + + case POOL_SYSCALL: +#ifdef __x86_64__ + switch (context->ireg) { + HANDLE(0, rdi); + HANDLE(1, rsi); + HANDLE(2, rdx); + HANDLE(3, r10); + HANDLE(4, r8); + HANDLE(5, r9); + default: + assert(!"More than six syscall arguments???"); + abort(); + } +#else + i386_unreachable(); +#endif + + case POOL_RETVAL: + switch (context->ireg) { +#ifdef __x86_64__ + HANDLE(0, rax); + HANDLE(1, rdx); +#else + HANDLE(0, eax); +#endif + default: + assert(!"Too many return value classes."); + abort(); + } + } + + abort(); + +#undef HANDLE +} + +static enum arg_class +allocate_sse(struct fetch_context *context, struct value *valuep, + size_t sz, size_t offset, enum reg_pool pool) +{ + size_t num_regs = 0; + switch (pool) { + case POOL_FUNCALL: + num_regs = 8; + case POOL_SYSCALL: + break; + case POOL_RETVAL: + num_regs = 2; + } + + if (context->freg >= num_regs) { + /* We shouldn't see overflow for RETVAL or SYSCALL + * pool. */ + assert(pool == POOL_FUNCALL); + allocate_stack_slot(context, valuep, sz, offset, 8); + return CLASS_MEMORY; + } else { + copy_sse_register(context, valuep, 0, sz, offset); + return CLASS_SSE; + } +} + +/* This allocates registers or stack space for another argument of the + * class CLS. */ +static enum arg_class +allocate_class(enum arg_class cls, struct fetch_context *context, + struct value *valuep, size_t sz, size_t offset, enum reg_pool pool) +{ + switch (cls) { + case CLASS_MEMORY: + allocate_stack_slot(context, valuep, sz, offset, 8); + case CLASS_NO: + return cls; + + case CLASS_INTEGER: + return allocate_integer(context, valuep, sz, offset, pool); + + case CLASS_SSE: + return allocate_sse(context, valuep, sz, offset, pool); + + case CLASS_X87: + return allocate_x87(context, valuep, sz, offset, pool, 8); + } + abort(); +} + +static ssize_t +classify(struct Process *proc, struct fetch_context *context, + struct arg_type_info *info, struct value *valuep, enum arg_class classes[], + size_t sz, size_t eightbytes); + +/* This classifies one eightbyte part of an array or struct. */ +static ssize_t +classify_eightbyte(struct Process *proc, struct fetch_context *context, + struct arg_type_info *info, struct value *valuep, + enum arg_class *classp, size_t start, size_t end, + struct arg_type_info *(*getter)(struct arg_type_info *, + size_t)) +{ + size_t i; + enum arg_class cls = CLASS_NO; + for (i = start; i < end; ++i) { + enum arg_class cls2; + struct arg_type_info *info2 = getter(info, i); + size_t sz = type_sizeof(proc, info2); + if (sz == (size_t)-1) + return -1; + if (classify(proc, context, info2, valuep, &cls2, sz, 1) < 0) + return -1; + + if (cls == CLASS_NO) + cls = cls2; + else if (cls2 == CLASS_NO || cls == cls2) + ; + else if (cls == CLASS_MEMORY || cls2 == CLASS_MEMORY) + cls = CLASS_MEMORY; + else if (cls == CLASS_INTEGER || cls2 == CLASS_INTEGER) + cls = CLASS_INTEGER; + else + cls = CLASS_SSE; + } + + *classp = cls; + return 1; +} + +/* This classifies small arrays and structs. */ +static ssize_t +classify_eightbytes(struct Process *proc, struct fetch_context *context, + struct arg_type_info *info, struct value *valuep, + enum arg_class classes[], size_t elements, + size_t eightbytes, + struct arg_type_info *(*getter)(struct arg_type_info *, + size_t)) +{ + if (eightbytes > 1) { + /* Where the second eightbyte starts. Number of the + * first element in the structure that belongs to the + * second eightbyte. */ + size_t start_2nd = 0; + size_t i; + for (i = 0; i < elements; ++i) + if (type_offsetof(proc, info, i) >= 8) { + start_2nd = i; + break; + } + + enum arg_class cls1, cls2; + if (classify_eightbyte(proc, context, info, valuep, &cls1, + 0, start_2nd, getter) < 0 + || classify_eightbyte(proc, context, info, valuep, &cls2, + start_2nd, elements, getter) < 0) + return -1; + + if (cls1 == CLASS_MEMORY || cls2 == CLASS_MEMORY) { + classes[0] = CLASS_MEMORY; + return 1; + } + + classes[0] = cls1; + classes[1] = cls2; + return 2; + } + + return classify_eightbyte(proc, context, info, valuep, classes, + 0, elements, getter); +} + +static struct arg_type_info * +get_array_field(struct arg_type_info *info, size_t emt) +{ + return info->u.array_info.elt_type; +} + +static int +flatten_structure(struct arg_type_info *flattened, struct arg_type_info *info) +{ + size_t i; + for (i = 0; i < type_struct_size(info); ++i) { + struct arg_type_info *field = type_struct_get(info, i); + assert(field != NULL); + switch (field->type) { + case ARGTYPE_STRUCT: + if (flatten_structure(flattened, field) < 0) + return -1; + break; + + default: + if (type_struct_add(flattened, field, 0) < 0) + return -1; + } + } + return 0; +} + +static ssize_t +classify(struct Process *proc, struct fetch_context *context, + struct arg_type_info *info, struct value *valuep, enum arg_class classes[], + size_t sz, size_t eightbytes) +{ + switch (info->type) { + struct arg_type_info flattened; + case ARGTYPE_VOID: + return 0; + + case ARGTYPE_CHAR: + case ARGTYPE_SHORT: + case ARGTYPE_USHORT: + case ARGTYPE_INT: + case ARGTYPE_UINT: + case ARGTYPE_LONG: + case ARGTYPE_ULONG: + + case ARGTYPE_POINTER: + /* and LONGLONG */ + /* CLASS_INTEGER */ + classes[0] = CLASS_INTEGER; + return 1; + + case ARGTYPE_FLOAT: + case ARGTYPE_DOUBLE: + /* and DECIMAL, and _m64 */ + classes[0] = CLASS_SSE; + return 1; + + case ARGTYPE_ARRAY: + /* N.B. this cannot be top-level array, those decay to + * pointers. Therefore, it must be inside structure + * that's at most 2 eightbytes long. */ + + /* Structures with flexible array members can't be + * passed by value. */ + assert(expr_is_compile_constant(info->u.array_info.length)); + + long l; + if (expr_eval_constant(info->u.array_info.length, &l) < 0) + return -1; + + return classify_eightbytes(proc, context, info, valuep, classes, + (size_t)l, eightbytes, + get_array_field); + + case ARGTYPE_STRUCT: + /* N.B. "big" structs are dealt with in the caller. + * + * First, we need to flatten the structure. In + * struct(float,struct(float,float)), first two floats + * both belong to the same eightbyte. */ + type_init_struct(&flattened); + + ssize_t ret; + if (flatten_structure(&flattened, info) < 0) { + ret = -1; + goto done; + } + ret = classify_eightbytes(proc, context, &flattened, + valuep, classes, + type_struct_size(&flattened), + eightbytes, type_struct_get); + done: + type_destroy(&flattened); + return ret; + + default: + /* Unsupported type. */ + assert(info->type != info->type); + abort(); + } + abort(); +} + +static ssize_t +pass_by_reference(struct value *valuep, enum arg_class classes[]) +{ + if (valuep != NULL && value_pass_by_reference(valuep) < 0) + return -1; + classes[0] = CLASS_INTEGER; + return 1; +} + +static ssize_t +classify_argument(struct Process *proc, struct fetch_context *context, + struct arg_type_info *info, struct value *valuep, + enum arg_class classes[], size_t *sizep) +{ + size_t sz = type_sizeof(proc, info); + if (sz == (size_t)-1) + return -1; + *sizep = sz; + + size_t eightbytes = (sz + 7) / 8; /* Round up. */ + + /* Arrays decay into pointers. */ + assert(info->type != ARGTYPE_ARRAY); + + if (info->type == ARGTYPE_STRUCT) { + if (eightbytes > 2 || contains_unaligned_fields(info)) { + classes[0] = CLASS_MEMORY; + return 1; + } + + if (has_nontrivial_ctor_dtor(info)) + return pass_by_reference(valuep, classes); + } + + return classify(proc, context, info, valuep, classes, sz, eightbytes); +} + +static int +fetch_register_banks(struct Process *proc, struct fetch_context *context, + int floating) +{ + if (ptrace(PTRACE_GETREGS, proc->pid, 0, &context->iregs) < 0) + return -1; + context->ireg = 0; + + if (floating) { + if (ptrace(PTRACE_GETFPREGS, proc->pid, + 0, &context->fpregs) < 0) + return -1; + context->freg = 0; + } else { + context->freg = -1; + } + + return 0; +} + +static int +arch_fetch_arg_next_32(struct fetch_context *context, enum tof type, + struct Process *proc, struct arg_type_info *info, + struct value *valuep) +{ + size_t sz = type_sizeof(proc, info); + if (sz == (size_t)-1) + return -1; + + allocate_stack_slot(context, valuep, sz, 0, 4); + + return 0; +} + +static int +arch_fetch_retval_32(struct fetch_context *context, enum tof type, + struct Process *proc, struct arg_type_info *info, + struct value *valuep) +{ + if (fetch_register_banks(proc, context, type == LT_TOF_FUNCTIONR) < 0) + return -1; + + struct value *retval = &context->u.ix86.retval; + if (retval->type != NULL) { + /* Struct return value was extracted when in fetch + * init. */ + memcpy(valuep, &context->u.ix86.retval, sizeof(*valuep)); + return 0; + } + + size_t sz = type_sizeof(proc, info); + if (sz == (size_t)-1) + return -1; + if (value_reserve(valuep, sz) == NULL) + return -1; + + switch (info->type) { + enum arg_class cls; + case ARGTYPE_VOID: + return 0; + + case ARGTYPE_INT: + case ARGTYPE_UINT: + case ARGTYPE_LONG: + case ARGTYPE_ULONG: + case ARGTYPE_CHAR: + case ARGTYPE_SHORT: + case ARGTYPE_USHORT: + case ARGTYPE_POINTER: + cls = allocate_integer(context, valuep, sz, 0, POOL_RETVAL); + assert(cls == CLASS_INTEGER); + return 0; + + case ARGTYPE_FLOAT: + case ARGTYPE_DOUBLE: + cls = allocate_x87(context, valuep, sz, 0, POOL_RETVAL, 4); + assert(cls == CLASS_X87); + return 0; + + case ARGTYPE_STRUCT: /* Handled above. */ + default: + assert(!"Unexpected i386 retval type!"); + abort(); + } + + abort(); +} + +static arch_addr_t +fetch_stack_pointer(struct fetch_context *context) +{ + arch_addr_t sp; +#ifdef __x86_64__ + sp = (arch_addr_t)context->iregs.rsp; +#else + sp = (arch_addr_t)context->iregs.esp; +#endif + return sp; +} + +struct fetch_context * +arch_fetch_arg_init_32(struct fetch_context *context, + enum tof type, struct Process *proc, + struct arg_type_info *ret_info) +{ + context->stack_pointer = fetch_stack_pointer(context) + 4; + + size_t sz = type_sizeof(proc, ret_info); + if (sz == (size_t)-1) + return NULL; + + struct value *retval = &context->u.ix86.retval; + if (ret_info->type == ARGTYPE_STRUCT) { + value_init(retval, proc, NULL, ret_info, 0); + + enum arg_class dummy[2]; + if (pass_by_reference(retval, dummy) < 0) + return NULL; + allocate_stack_slot(context, retval, 4, 0, 4); + + } else { + value_init_detached(retval, NULL, NULL, 0); + } + + return context; +} + +struct fetch_context * +arch_fetch_arg_init_64(struct fetch_context *ctx, enum tof type, + struct Process *proc, struct arg_type_info *ret_info) +{ + /* The first stack slot holds a return address. */ + ctx->stack_pointer = fetch_stack_pointer(ctx) + 8; + + size_t size; + ctx->u.x86_64.num_ret_classes + = classify_argument(proc, ctx, ret_info, NULL, + ctx->u.x86_64.ret_classes, &size); + if (ctx->u.x86_64.num_ret_classes == -1) + return NULL; + + /* If the class is MEMORY, then the first argument is a hidden + * pointer to the allocated storage. */ + if (ctx->u.x86_64.num_ret_classes > 0 + && ctx->u.x86_64.ret_classes[0] == CLASS_MEMORY) { + /* MEMORY should be the sole class. */ + assert(ctx->u.x86_64.num_ret_classes == 1); + allocate_integer(ctx, NULL, size, 0, POOL_FUNCALL); + } + + return ctx; +} + +struct fetch_context * +arch_fetch_arg_init(enum tof type, struct Process *proc, + struct arg_type_info *ret_info) +{ + struct fetch_context *ctx = malloc(sizeof(*ctx)); + if (ctx == NULL) + return NULL; + + assert(type != LT_TOF_FUNCTIONR + && type != LT_TOF_SYSCALLR); + if (fetch_register_banks(proc, ctx, type == LT_TOF_FUNCTION) < 0) { + fail: + free(ctx); + return NULL; + } + + struct fetch_context *ret; + if (proc->e_machine == EM_386) + ret = arch_fetch_arg_init_32(ctx, type, proc, ret_info); + else + ret = arch_fetch_arg_init_64(ctx, type, proc, ret_info); + if (ret == NULL) + goto fail; + return ret; +} + +struct fetch_context * +arch_fetch_arg_clone(struct Process *proc, struct fetch_context *context) +{ + struct fetch_context *ret = malloc(sizeof(*ret)); + if (ret == NULL) + return NULL; + return memcpy(ret, context, sizeof(*ret)); +} + +static int +arch_fetch_pool_arg_next(struct fetch_context *context, enum tof type, + struct Process *proc, struct arg_type_info *info, + struct value *valuep, enum reg_pool pool) +{ + enum arg_class classes[2]; + size_t sz, sz1; + ssize_t i; + ssize_t nclasses = classify_argument(proc, context, info, valuep, + classes, &sz); + if (nclasses == -1) + return -1; + if (value_reserve(valuep, sz) == NULL) + return -1; + + /* If there are no registers available for any eightbyte of an + * argument, the whole argument is passed on the stack. If + * registers have already been assigned for some eightbytes of + * such an argument, the assignments get reverted. */ + struct fetch_context tmp_context = *context; + int revert; + if (nclasses == 1) { + revert = allocate_class(classes[0], &tmp_context, + valuep, sz, 0, pool) != classes[0]; + } else { + revert = 0; + for (i = 0; i < nclasses; ++i) { + sz1 = (size_t)(8 * (i + 1)) > sz ? sz - 8 * i : 8; + if (allocate_class(classes[i], &tmp_context, valuep, + sz1, 8 * i, pool) != classes[i]) + revert = 1; + } + } + + if (nclasses > 1 && revert) + allocate_class(CLASS_MEMORY, context, valuep, sz, 0, pool); + else + *context = tmp_context; /* Commit. */ + + return 0; +} + +int +arch_fetch_fun_retval(struct fetch_context *context, enum tof type, + struct Process *proc, struct arg_type_info *info, + struct value *valuep) +{ + assert(type != LT_TOF_FUNCTION + && type != LT_TOF_SYSCALL); + if (value_reserve(valuep, 8 * context->u.x86_64.num_ret_classes) == NULL + || fetch_register_banks(proc, context, + type == LT_TOF_FUNCTIONR) < 0) + return -1; + + if (context->u.x86_64.num_ret_classes == 1 + && context->u.x86_64.ret_classes[0] == CLASS_MEMORY) + pass_by_reference(valuep, context->u.x86_64.ret_classes); + + size_t sz = type_sizeof(proc, valuep->type); + if (sz == (size_t)-1) + return -1; + + ssize_t i; + size_t sz1 = context->u.x86_64.num_ret_classes == 1 ? sz : 8; + for (i = 0; i < context->u.x86_64.num_ret_classes; ++i) { + enum arg_class cls + = allocate_class(context->u.x86_64.ret_classes[i], + context, valuep, sz1, + 8 * i, POOL_RETVAL); + assert(cls == context->u.x86_64.ret_classes[i]); + } + return 0; +} + +int +arch_fetch_arg_next(struct fetch_context *context, enum tof type, + struct Process *proc, struct arg_type_info *info, + struct value *valuep) +{ + if (proc->e_machine == EM_386) + return arch_fetch_arg_next_32(context, type, proc, + info, valuep); + + switch (type) { + case LT_TOF_FUNCTION: + case LT_TOF_FUNCTIONR: + return arch_fetch_pool_arg_next(context, type, proc, + info, valuep, POOL_FUNCALL); + + case LT_TOF_SYSCALL: + case LT_TOF_SYSCALLR: + return arch_fetch_pool_arg_next(context, type, proc, + info, valuep, POOL_SYSCALL); + } + + abort(); +} + +int +arch_fetch_retval(struct fetch_context *context, enum tof type, + struct Process *proc, struct arg_type_info *info, + struct value *valuep) +{ + if (proc->e_machine == EM_386) + return arch_fetch_retval_32(context, type, proc, info, valuep); + + return arch_fetch_fun_retval(context, type, proc, info, valuep); +} + +void +arch_fetch_arg_done(struct fetch_context *context) +{ + if (context != NULL) + free(context); +} diff --git a/sysdeps/linux-gnu/x86/plt.c b/sysdeps/linux-gnu/x86/plt.c new file mode 100644 index 0000000..dc6f183 --- /dev/null +++ b/sysdeps/linux-gnu/x86/plt.c @@ -0,0 +1,34 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2004,2008,2009 Juan Cespedes + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include +#include "proc.h" +#include "common.h" +#include "library.h" + +GElf_Addr +arch_plt_sym_val(struct ltelf *lte, size_t ndx, GElf_Rela * rela) { + return lte->plt_addr + (ndx + 1) * 16; +} + +void * +sym2addr(Process *proc, struct library_symbol *sym) { + return sym->enter_addr; +} diff --git a/sysdeps/linux-gnu/x86/ptrace.h b/sysdeps/linux-gnu/x86/ptrace.h new file mode 100644 index 0000000..dc4734a --- /dev/null +++ b/sysdeps/linux-gnu/x86/ptrace.h @@ -0,0 +1,21 @@ +/* + * This file is part of ltrace. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include +#include diff --git a/sysdeps/linux-gnu/x86/regs.c b/sysdeps/linux-gnu/x86/regs.c new file mode 100644 index 0000000..ca6470b --- /dev/null +++ b/sysdeps/linux-gnu/x86/regs.c @@ -0,0 +1,116 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2012 Petr Machata, Red Hat Inc. + * Copyright (C) 1998,2002,2004,2008,2009 Juan Cespedes + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ +#include "config.h" + +#include +#include +#include +#include +#include +#include + +#include "backend.h" +#include "proc.h" + +#if (!defined(PTRACE_PEEKUSER) && defined(PTRACE_PEEKUSR)) +# define PTRACE_PEEKUSER PTRACE_PEEKUSR +#endif + +#if (!defined(PTRACE_POKEUSER) && defined(PTRACE_POKEUSR)) +# define PTRACE_POKEUSER PTRACE_POKEUSR +#endif + +#ifdef __x86_64__ +# define XIP (8 * RIP) +# define XSP (8 * RSP) +#else +# define XIP (4 * EIP) +# define XSP (4 * UESP) +#endif + +static arch_addr_t +conv_32(arch_addr_t val) +{ + /* XXX Drop the multiple double casts when arch_addr_t + * becomes integral. */ + return (arch_addr_t)(uintptr_t)(uint32_t)(uintptr_t)val; +} + +void * +get_instruction_pointer(struct Process *proc) +{ + long int ret = ptrace(PTRACE_PEEKUSER, proc->pid, XIP, 0); + if (proc->e_machine == EM_386) + ret &= 0xffffffff; + return (void *)ret; +} + +void +set_instruction_pointer(struct Process *proc, arch_addr_t addr) +{ + if (proc->e_machine == EM_386) + addr = conv_32(addr); + ptrace(PTRACE_POKEUSER, proc->pid, XIP, addr); +} + +void * +get_stack_pointer(struct Process *proc) +{ + long sp = ptrace(PTRACE_PEEKUSER, proc->pid, XSP, 0); + if (sp == -1 && errno) { + fprintf(stderr, "Couldn't read SP register: %s\n", + strerror(errno)); + return NULL; + } + + /* XXX Drop the multiple double casts when arch_addr_t + * becomes integral. */ + arch_addr_t ret = (arch_addr_t)(uintptr_t)sp; + if (proc->e_machine == EM_386) + ret = conv_32(ret); + return ret; +} + +void * +get_return_addr(struct Process *proc, void *sp) +{ + long a = ptrace(PTRACE_PEEKTEXT, proc->pid, sp, 0); + if (a == -1 && errno) { + fprintf(stderr, "Couldn't read return value: %s\n", + strerror(errno)); + return NULL; + } + + /* XXX Drop the multiple double casts when arch_addr_t + * becomes integral. */ + arch_addr_t ret = (arch_addr_t)(uintptr_t)a; + if (proc->e_machine == EM_386) + ret = conv_32(ret); + return ret; +} + +void +set_return_addr(Process *proc, void *addr) { + if (proc->e_machine == EM_386) + addr = (void *)((long int)addr & 0xffffffff); + ptrace(PTRACE_POKETEXT, proc->pid, proc->stack_pointer, addr); +} diff --git a/sysdeps/linux-gnu/x86_64/signalent.h b/sysdeps/linux-gnu/x86/signalent.h similarity index 50% rename from sysdeps/linux-gnu/x86_64/signalent.h rename to sysdeps/linux-gnu/x86/signalent.h index d58a36c..9b8baa0 100644 --- a/sysdeps/linux-gnu/x86_64/signalent.h +++ b/sysdeps/linux-gnu/x86/signalent.h @@ -1,3 +1,23 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + "SIG_0", /* 0 */ "SIGHUP", /* 1 */ "SIGINT", /* 2 */ diff --git a/sysdeps/linux-gnu/i386/signalent.h b/sysdeps/linux-gnu/x86/signalent1.h similarity index 53% rename from sysdeps/linux-gnu/i386/signalent.h rename to sysdeps/linux-gnu/x86/signalent1.h index 5395f82..31699db 100644 --- a/sysdeps/linux-gnu/i386/signalent.h +++ b/sysdeps/linux-gnu/x86/signalent1.h @@ -1,3 +1,23 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + "SIG_0", /* 0 */ "SIGHUP", /* 1 */ "SIGINT", /* 2 */ diff --git a/sysdeps/linux-gnu/x86/syscallent.h b/sysdeps/linux-gnu/x86/syscallent.h new file mode 100644 index 0000000..345fe20 --- /dev/null +++ b/sysdeps/linux-gnu/x86/syscallent.h @@ -0,0 +1,370 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2012 Petr Machata, Red Hat Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +/* This file is for i386 system call names. */ + "restart_syscall", /* 0 */ + "exit", /* 1 */ + "fork", /* 2 */ + "read", /* 3 */ + "write", /* 4 */ + "open", /* 5 */ + "close", /* 6 */ + "waitpid", /* 7 */ + "creat", /* 8 */ + "link", /* 9 */ + "unlink", /* 10 */ + "execve", /* 11 */ + "chdir", /* 12 */ + "time", /* 13 */ + "mknod", /* 14 */ + "chmod", /* 15 */ + "lchown", /* 16 */ + "break", /* 17 */ + "oldstat", /* 18 */ + "lseek", /* 19 */ + "getpid", /* 20 */ + "mount", /* 21 */ + "umount", /* 22 */ + "setuid", /* 23 */ + "getuid", /* 24 */ + "stime", /* 25 */ + "ptrace", /* 26 */ + "alarm", /* 27 */ + "oldfstat", /* 28 */ + "pause", /* 29 */ + "utime", /* 30 */ + "stty", /* 31 */ + "gtty", /* 32 */ + "access", /* 33 */ + "nice", /* 34 */ + "ftime", /* 35 */ + "sync", /* 36 */ + "kill", /* 37 */ + "rename", /* 38 */ + "mkdir", /* 39 */ + "rmdir", /* 40 */ + "dup", /* 41 */ + "pipe", /* 42 */ + "times", /* 43 */ + "prof", /* 44 */ + "brk", /* 45 */ + "setgid", /* 46 */ + "getgid", /* 47 */ + "signal", /* 48 */ + "geteuid", /* 49 */ + "getegid", /* 50 */ + "acct", /* 51 */ + "umount2", /* 52 */ + "lock", /* 53 */ + "ioctl", /* 54 */ + "fcntl", /* 55 */ + "mpx", /* 56 */ + "setpgid", /* 57 */ + "ulimit", /* 58 */ + "oldolduname", /* 59 */ + "umask", /* 60 */ + "chroot", /* 61 */ + "ustat", /* 62 */ + "dup2", /* 63 */ + "getppid", /* 64 */ + "getpgrp", /* 65 */ + "setsid", /* 66 */ + "sigaction", /* 67 */ + "sgetmask", /* 68 */ + "ssetmask", /* 69 */ + "setreuid", /* 70 */ + "setregid", /* 71 */ + "sigsuspend", /* 72 */ + "sigpending", /* 73 */ + "sethostname", /* 74 */ + "setrlimit", /* 75 */ + "getrlimit", /* 76 */ + "getrusage", /* 77 */ + "gettimeofday", /* 78 */ + "settimeofday", /* 79 */ + "getgroups", /* 80 */ + "setgroups", /* 81 */ + "select", /* 82 */ + "symlink", /* 83 */ + "oldlstat", /* 84 */ + "readlink", /* 85 */ + "uselib", /* 86 */ + "swapon", /* 87 */ + "reboot", /* 88 */ + "readdir", /* 89 */ + "mmap", /* 90 */ + "munmap", /* 91 */ + "truncate", /* 92 */ + "ftruncate", /* 93 */ + "fchmod", /* 94 */ + "fchown", /* 95 */ + "getpriority", /* 96 */ + "setpriority", /* 97 */ + "profil", /* 98 */ + "statfs", /* 99 */ + "fstatfs", /* 100 */ + "ioperm", /* 101 */ + "socketcall", /* 102 */ + "syslog", /* 103 */ + "setitimer", /* 104 */ + "getitimer", /* 105 */ + "stat", /* 106 */ + "lstat", /* 107 */ + "fstat", /* 108 */ + "olduname", /* 109 */ + "iopl", /* 110 */ + "vhangup", /* 111 */ + "idle", /* 112 */ + "vm86old", /* 113 */ + "wait4", /* 114 */ + "swapoff", /* 115 */ + "sysinfo", /* 116 */ + "ipc", /* 117 */ + "fsync", /* 118 */ + "sigreturn", /* 119 */ + "clone", /* 120 */ + "setdomainname", /* 121 */ + "uname", /* 122 */ + "modify_ldt", /* 123 */ + "adjtimex", /* 124 */ + "mprotect", /* 125 */ + "sigprocmask", /* 126 */ + "create_module", /* 127 */ + "init_module", /* 128 */ + "delete_module", /* 129 */ + "get_kernel_syms", /* 130 */ + "quotactl", /* 131 */ + "getpgid", /* 132 */ + "fchdir", /* 133 */ + "bdflush", /* 134 */ + "sysfs", /* 135 */ + "personality", /* 136 */ + "afs_syscall", /* 137 */ + "setfsuid", /* 138 */ + "setfsgid", /* 139 */ + "_llseek", /* 140 */ + "getdents", /* 141 */ + "_newselect", /* 142 */ + "flock", /* 143 */ + "msync", /* 144 */ + "readv", /* 145 */ + "writev", /* 146 */ + "getsid", /* 147 */ + "fdatasync", /* 148 */ + "_sysctl", /* 149 */ + "mlock", /* 150 */ + "munlock", /* 151 */ + "mlockall", /* 152 */ + "munlockall", /* 153 */ + "sched_setparam", /* 154 */ + "sched_getparam", /* 155 */ + "sched_setscheduler", /* 156 */ + "sched_getscheduler", /* 157 */ + "sched_yield", /* 158 */ + "sched_get_priority_max", /* 159 */ + "sched_get_priority_min", /* 160 */ + "sched_rr_get_interval", /* 161 */ + "nanosleep", /* 162 */ + "mremap", /* 163 */ + "setresuid", /* 164 */ + "getresuid", /* 165 */ + "vm86", /* 166 */ + "query_module", /* 167 */ + "poll", /* 168 */ + "nfsservctl", /* 169 */ + "setresgid", /* 170 */ + "getresgid", /* 171 */ + "prctl", /* 172 */ + "rt_sigreturn", /* 173 */ + "rt_sigaction", /* 174 */ + "rt_sigprocmask", /* 175 */ + "rt_sigpending", /* 176 */ + "rt_sigtimedwait", /* 177 */ + "rt_sigqueueinfo", /* 178 */ + "rt_sigsuspend", /* 179 */ + "pread64", /* 180 */ + "pwrite64", /* 181 */ + "chown", /* 182 */ + "getcwd", /* 183 */ + "capget", /* 184 */ + "capset", /* 185 */ + "sigaltstack", /* 186 */ + "sendfile", /* 187 */ + "getpmsg", /* 188 */ + "putpmsg", /* 189 */ + "vfork", /* 190 */ + "ugetrlimit", /* 191 */ + "mmap2", /* 192 */ + "truncate64", /* 193 */ + "ftruncate64", /* 194 */ + "stat64", /* 195 */ + "lstat64", /* 196 */ + "fstat64", /* 197 */ + "lchown32", /* 198 */ + "getuid32", /* 199 */ + "getgid32", /* 200 */ + "geteuid32", /* 201 */ + "getegid32", /* 202 */ + "setreuid32", /* 203 */ + "setregid32", /* 204 */ + "getgroups32", /* 205 */ + "setgroups32", /* 206 */ + "fchown32", /* 207 */ + "setresuid32", /* 208 */ + "getresuid32", /* 209 */ + "setresgid32", /* 210 */ + "getresgid32", /* 211 */ + "chown32", /* 212 */ + "setuid32", /* 213 */ + "setgid32", /* 214 */ + "setfsuid32", /* 215 */ + "setfsgid32", /* 216 */ + "pivot_root", /* 217 */ + "mincore", /* 218 */ + "madvise1", /* 219 */ + "getdents64", /* 220 */ + "fcntl64", /* 221 */ + "222", /* 222 */ + "223", /* 223 */ + "gettid", /* 224 */ + "readahead", /* 225 */ + "setxattr", /* 226 */ + "lsetxattr", /* 227 */ + "fsetxattr", /* 228 */ + "getxattr", /* 229 */ + "lgetxattr", /* 230 */ + "fgetxattr", /* 231 */ + "listxattr", /* 232 */ + "llistxattr", /* 233 */ + "flistxattr", /* 234 */ + "removexattr", /* 235 */ + "lremovexattr", /* 236 */ + "fremovexattr", /* 237 */ + "tkill", /* 238 */ + "sendfile64", /* 239 */ + "futex", /* 240 */ + "sched_setaffinity", /* 241 */ + "sched_getaffinity", /* 242 */ + "set_thread_area", /* 243 */ + "get_thread_area", /* 244 */ + "io_setup", /* 245 */ + "io_destroy", /* 246 */ + "io_getevents", /* 247 */ + "io_submit", /* 248 */ + "io_cancel", /* 249 */ + "fadvise64", /* 250 */ + "251", /* 251 */ + "exit_group", /* 252 */ + "lookup_dcookie", /* 253 */ + "epoll_create", /* 254 */ + "epoll_ctl", /* 255 */ + "epoll_wait", /* 256 */ + "remap_file_pages", /* 257 */ + "set_tid_address", /* 258 */ + "timer_create", /* 259 */ + "260", /* 260 */ + "261", /* 261 */ + "262", /* 262 */ + "263", /* 263 */ + "264", /* 264 */ + "265", /* 265 */ + "266", /* 266 */ + "267", /* 267 */ + "statfs64", /* 268 */ + "fstatfs64", /* 269 */ + "tgkill", /* 270 */ + "utimes", /* 271 */ + "fadvise64_64", /* 272 */ + "vserver", /* 273 */ + "mbind", /* 274 */ + "get_mempolicy", /* 275 */ + "set_mempolicy", /* 276 */ + "mq_open", /* 277 */ + "278", /* 278 */ + "279", /* 279 */ + "280", /* 280 */ + "281", /* 281 */ + "282", /* 282 */ + "kexec_load", /* 283 */ + "waitid", /* 284 */ + "285", /* 285 */ + "add_key", /* 286 */ + "request_key", /* 287 */ + "keyctl", /* 288 */ + "ioprio_set", /* 289 */ + "ioprio_get", /* 290 */ + "inotify_init", /* 291 */ + "inotify_add_watch", /* 292 */ + "inotify_rm_watch", /* 293 */ + "migrate_pages", /* 294 */ + "openat", /* 295 */ + "mkdirat", /* 296 */ + "mknodat", /* 297 */ + "fchownat", /* 298 */ + "futimesat", /* 299 */ + "fstatat64", /* 300 */ + "unlinkat", /* 301 */ + "renameat", /* 302 */ + "linkat", /* 303 */ + "symlinkat", /* 304 */ + "readlinkat", /* 305 */ + "fchmodat", /* 306 */ + "faccessat", /* 307 */ + "pselect6", /* 308 */ + "ppoll", /* 309 */ + "unshare", /* 310 */ + "set_robust_list", /* 311 */ + "get_robust_list", /* 312 */ + "splice", /* 313 */ + "sync_file_range", /* 314 */ + "tee", /* 315 */ + "vmsplice", /* 316 */ + "move_pages", /* 317 */ + "getcpu", /* 318 */ + "epoll_pwait", /* 319 */ + "utimensat", /* 320 */ + "signalfd", /* 321 */ + "timerfd_create", /* 322 */ + "eventfd", /* 323 */ + "fallocate", /* 324 */ + "timerfd_settime", /* 325 */ + "timerfd_gettime", /* 326 */ + "signalfd4", /* 327 */ + "eventfd2", /* 328 */ + "epoll_create1", /* 329 */ + "dup3", /* 330 */ + "pipe2", /* 331 */ + "inotify_init1", /* 332 */ + "preadv", /* 333 */ + "pwritev", /* 334 */ + "rt_tgsigqueueinfo", /* 335 */ + "perf_event_open", /* 336 */ + "recvmmsg", /* 337 */ + "fanotify_init", /* 338 */ + "fanotify_mark", /* 339 */ + "prlimit64", /* 340 */ + "name_to_handle_at", /* 341 */ + "open_by_handle_at", /* 342 */ + "clock_adjtime", /* 343 */ + "syncfs", /* 344 */ + "sendmmsg", /* 345 */ + "setns", /* 346 */ + "process_vm_readv", /* 347 */ + "process_vm_writev", /* 348 */ diff --git a/sysdeps/linux-gnu/x86/syscallent1.h b/sysdeps/linux-gnu/x86/syscallent1.h new file mode 100644 index 0000000..91ae8d6 --- /dev/null +++ b/sysdeps/linux-gnu/x86/syscallent1.h @@ -0,0 +1,333 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2012 Petr Machata, Red Hat Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +/* This file is for x86_64 system call names. */ + "read", /* 0 */ + "write", /* 1 */ + "open", /* 2 */ + "close", /* 3 */ + "stat", /* 4 */ + "fstat", /* 5 */ + "lstat", /* 6 */ + "poll", /* 7 */ + "lseek", /* 8 */ + "mmap", /* 9 */ + "mprotect", /* 10 */ + "munmap", /* 11 */ + "brk", /* 12 */ + "rt_sigaction", /* 13 */ + "rt_sigprocmask", /* 14 */ + "rt_sigreturn", /* 15 */ + "ioctl", /* 16 */ + "pread", /* 17 */ + "pwrite", /* 18 */ + "readv", /* 19 */ + "writev", /* 20 */ + "access", /* 21 */ + "pipe", /* 22 */ + "select", /* 23 */ + "sched_yield", /* 24 */ + "mremap", /* 25 */ + "msync", /* 26 */ + "mincore", /* 27 */ + "madvise", /* 28 */ + "shmget", /* 29 */ + "shmat", /* 30 */ + "shmctl", /* 31 */ + "dup", /* 32 */ + "dup2", /* 33 */ + "pause", /* 34 */ + "nanosleep", /* 35 */ + "getitimer", /* 36 */ + "alarm", /* 37 */ + "setitimer", /* 38 */ + "getpid", /* 39 */ + "sendfile", /* 40 */ + "socket", /* 41 */ + "connect", /* 42 */ + "accept", /* 43 */ + "sendto", /* 44 */ + "recvfrom", /* 45 */ + "sendmsg", /* 46 */ + "recvmsg", /* 47 */ + "shutdown", /* 48 */ + "bind", /* 49 */ + "listen", /* 50 */ + "getsockname", /* 51 */ + "getpeername", /* 52 */ + "socketpair", /* 53 */ + "setsockopt", /* 54 */ + "getsockopt", /* 55 */ + "clone", /* 56 */ + "fork", /* 57 */ + "vfork", /* 58 */ + "execve", /* 59 */ + "exit", /* 60 */ + "wait4", /* 61 */ + "kill", /* 62 */ + "uname", /* 63 */ + "semget", /* 64 */ + "semop", /* 65 */ + "semctl", /* 66 */ + "shmdt", /* 67 */ + "msgget", /* 68 */ + "msgsnd", /* 69 */ + "msgrcv", /* 70 */ + "msgctl", /* 71 */ + "fcntl", /* 72 */ + "flock", /* 73 */ + "fsync", /* 74 */ + "fdatasync", /* 75 */ + "truncate", /* 76 */ + "ftruncate", /* 77 */ + "getdents", /* 78 */ + "getcwd", /* 79 */ + "chdir", /* 80 */ + "fchdir", /* 81 */ + "rename", /* 82 */ + "mkdir", /* 83 */ + "rmdir", /* 84 */ + "creat", /* 85 */ + "link", /* 86 */ + "unlink", /* 87 */ + "symlink", /* 88 */ + "readlink", /* 89 */ + "chmod", /* 90 */ + "fchmod", /* 91 */ + "chown", /* 92 */ + "fchown", /* 93 */ + "lchown", /* 94 */ + "umask", /* 95 */ + "gettimeofday", /* 96 */ + "getrlimit", /* 97 */ + "getrusage", /* 98 */ + "sysinfo", /* 99 */ + "times", /* 100 */ + "ptrace", /* 101 */ + "getuid", /* 102 */ + "syslog", /* 103 */ + "getgid", /* 104 */ + "setuid", /* 105 */ + "setgid", /* 106 */ + "geteuid", /* 107 */ + "getegid", /* 108 */ + "setpgid", /* 109 */ + "getppid", /* 110 */ + "getpgrp", /* 111 */ + "setsid", /* 112 */ + "setreuid", /* 113 */ + "setregid", /* 114 */ + "getgroups", /* 115 */ + "setgroups", /* 116 */ + "setresuid", /* 117 */ + "getresuid", /* 118 */ + "setresgid", /* 119 */ + "getresgid", /* 120 */ + "getpgid", /* 121 */ + "setfsuid", /* 122 */ + "setfsgid", /* 123 */ + "getsid", /* 124 */ + "capget", /* 125 */ + "capset", /* 126 */ + "rt_sigpending", /* 127 */ + "rt_sigtimedwait", /* 128 */ + "rt_sigqueueinfo", /* 129 */ + "rt_sigsuspend", /* 130 */ + "sigaltstack", /* 131 */ + "utime", /* 132 */ + "mknod", /* 133 */ + "uselib", /* 134 */ + "personality", /* 135 */ + "ustat", /* 136 */ + "statfs", /* 137 */ + "fstatfs", /* 138 */ + "sysfs", /* 139 */ + "getpriority", /* 140 */ + "setpriority", /* 141 */ + "sched_setparam", /* 142 */ + "sched_getparam", /* 143 */ + "sched_setscheduler", /* 144 */ + "sched_getscheduler", /* 145 */ + "sched_get_priority_max", /* 146 */ + "sched_get_priority_min", /* 147 */ + "sched_rr_get_interval", /* 148 */ + "mlock", /* 149 */ + "munlock", /* 150 */ + "mlockall", /* 151 */ + "munlockall", /* 152 */ + "vhangup", /* 153 */ + "modify_ldt", /* 154 */ + "pivot_root", /* 155 */ + "_sysctl", /* 156 */ + "prctl", /* 157 */ + "arch_prctl", /* 158 */ + "adjtimex", /* 159 */ + "setrlimit", /* 160 */ + "chroot", /* 161 */ + "sync", /* 162 */ + "acct", /* 163 */ + "settimeofday", /* 164 */ + "mount", /* 165 */ + "umount2", /* 166 */ + "swapon", /* 167 */ + "swapoff", /* 168 */ + "reboot", /* 169 */ + "sethostname", /* 170 */ + "setdomainname", /* 171 */ + "iopl", /* 172 */ + "ioperm", /* 173 */ + "create_module", /* 174 */ + "init_module", /* 175 */ + "delete_module", /* 176 */ + "get_kernel_syms", /* 177 */ + "query_module", /* 178 */ + "quotactl", /* 179 */ + "nfsservctl", /* 180 */ + "getpmsg", /* 181 */ + "putpmsg", /* 182 */ + "afs_syscall", /* 183 */ + "tuxcall", /* 184 */ + "security", /* 185 */ + "gettid", /* 186 */ + "readahead", /* 187 */ + "setxattr", /* 188 */ + "lsetxattr", /* 189 */ + "fsetxattr", /* 190 */ + "getxattr", /* 191 */ + "lgetxattr", /* 192 */ + "fgetxattr", /* 193 */ + "listxattr", /* 194 */ + "llistxattr", /* 195 */ + "flistxattr", /* 196 */ + "removexattr", /* 197 */ + "lremovexattr", /* 198 */ + "fremovexattr", /* 199 */ + "tkill", /* 200 */ + "time", /* 201 */ + "futex", /* 202 */ + "sched_setaffinity", /* 203 */ + "sched_getaffinity", /* 204 */ + "set_thread_area", /* 205 */ + "io_setup", /* 206 */ + "io_destroy", /* 207 */ + "io_getevents", /* 208 */ + "io_submit", /* 209 */ + "io_cancel", /* 210 */ + "get_thread_area", /* 211 */ + "lookup_dcookie", /* 212 */ + "epoll_create", /* 213 */ + "epoll_ctl", /* 214 */ + "epoll_wait", /* 215 */ + "remap_file_pages", /* 216 */ + "getdents64", /* 217 */ + "set_tid_address", /* 218 */ + "restart_syscall", /* 219 */ + "semtimedop", /* 220 */ + "fadvise64", /* 221 */ + "timer_create", /* 222 */ + "timer_settime", /* 223 */ + "timer_gettime", /* 224 */ + "timer_getoverrun", /* 225 */ + "timer_delete", /* 226 */ + "clock_settime", /* 227 */ + "clock_gettime", /* 228 */ + "clock_getres", /* 229 */ + "clock_nanosleep", /* 230 */ + "exit_group", /* 231 */ + "epoll_wait", /* 232 */ + "epoll_ctl", /* 233 */ + "tgkill", /* 234 */ + "utimes", /* 235 */ + "vserver", /* 236 */ + "mbind", /* 237 */ + "set_mempolicy", /* 238 */ + "get_mempolicy", /* 239 */ + "mq_open", /* 240 */ + "mq_unlink", /* 241 */ + "mq_timedsend", /* 242 */ + "mq_timedreceive", /* 243 */ + "mq_notify", /* 244 */ + "mq_getsetattr", /* 245 */ + "kexec_load", /* 246 */ + "waitid", /* 247 */ + "add_key", /* 248 */ + "request_key", /* 249 */ + "keyctl", /* 250 */ + "ioprio_set", /* 251 */ + "ioprio_get", /* 252 */ + "inotify_init", /* 253 */ + "inotify_add_watch", /* 254 */ + "inotify_rm_watch", /* 255 */ + "migrate_pages", /* 256 */ + "openat", /* 257 */ + "mkdirat", /* 258 */ + "mknodat", /* 259 */ + "fchownat", /* 260 */ + "futimesat", /* 261 */ + "newfstatat", /* 262 */ + "unlinkat", /* 263 */ + "renameat", /* 264 */ + "linkat", /* 265 */ + "symlinkat", /* 266 */ + "readlinkat", /* 267 */ + "fchmodat", /* 268 */ + "faccessat", /* 269 */ + "pselect6", /* 270 */ + "ppoll", /* 271 */ + "unshare", /* 272 */ + "set_robust_list", /* 273 */ + "get_robust_list", /* 274 */ + "splice", /* 275 */ + "tee", /* 276 */ + "sync_file_range", /* 277 */ + "vmsplice", /* 278 */ + "move_pages", /* 279 */ + "utimensat", /* 280 */ + "epoll_pwait", /* 281 */ + "signalfd", /* 282 */ + "timerfd_create", /* 283 */ + "eventfd", /* 284 */ + "fallocate", /* 285 */ + "timerfd_settime", /* 286 */ + "timerfd_gettime", /* 287 */ + "accept4", /* 288 */ + "signalfd4", /* 289 */ + "eventfd2", /* 290 */ + "epoll_create1", /* 291 */ + "dup3", /* 292 */ + "pipe2", /* 293 */ + "inotify_init1", /* 294 */ + "preadv", /* 295 */ + "pwritev", /* 296 */ + "rt_tgsigqueueinfo", /* 297 */ + "perf_event_open", /* 298 */ + "recvmmsg", /* 299 */ + "fanotify_init", /* 300 */ + "fanotify_mark", /* 301 */ + "prlimit64", /* 302 */ + "name_to_handle_at", /* 303 */ + "open_by_handle_at", /* 304 */ + "clock_adjtime", /* 305 */ + "syncfs", /* 306 */ + "sendmmsg", /* 307 */ + "setns", /* 308 */ + "getcpu", /* 309 */ + "process_vm_readv", /* 310 */ + "process_vm_writev", /* 311 */ diff --git a/sysdeps/linux-gnu/x86/trace.c b/sysdeps/linux-gnu/x86/trace.c new file mode 100644 index 0000000..ed8bdb4 --- /dev/null +++ b/sysdeps/linux-gnu/x86/trace.c @@ -0,0 +1,191 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2010,2011,2012 Petr Machata, Red Hat Inc. + * Copyright (C) 2004,2008,2009 Juan Cespedes + * Copyright (C) 2006 Ian Wienand + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include "config.h" + +#include +#include +#include +#include +#include + +#include "backend.h" +#include "debug.h" +#include "proc.h" +#include "ptrace.h" +#include "type.h" + +#if (!defined(PTRACE_PEEKUSER) && defined(PTRACE_PEEKUSR)) +# define PTRACE_PEEKUSER PTRACE_PEEKUSR +#endif + +#if (!defined(PTRACE_POKEUSER) && defined(PTRACE_POKEUSR)) +# define PTRACE_POKEUSER PTRACE_POKEUSR +#endif + +#ifdef __x86_64__ +# define ORIG_XAX (8 * ORIG_RAX) +#else +# define ORIG_XAX (4 * ORIG_EAX) +#endif + +#ifdef __x86_64__ +static const int x86_64 = 1; +#else +static const int x86_64 = 0; +#endif + +void +get_arch_dep(struct Process *proc) +{ + /* Unfortunately there are still remnants of mask_32bit uses + * around. */ + + if (proc->e_machine == EM_X86_64) { + proc->mask_32bit = 0; + proc->personality = 1; + } else if (x86_64) { /* x86_64/i386 */ + proc->mask_32bit = 1; + proc->personality = 0; + } else { + proc->mask_32bit = 0; + proc->personality = 0; + } +} + +/* Returns 1 if syscall, 2 if sysret, 0 otherwise. + */ +int +syscall_p(struct Process *proc, int status, int *sysnum) +{ + if (WIFSTOPPED(status) + && WSTOPSIG(status) == (SIGTRAP | proc->tracesysgood)) { + struct callstack_element *elem = NULL; + if (proc->callstack_depth > 0) + elem = proc->callstack + proc->callstack_depth - 1; + + long int ret = ptrace(PTRACE_PEEKUSER, proc->pid, ORIG_XAX, 0); + if (ret == -1) { + if (errno) + return -1; + /* Otherwise, ORIG_RAX == -1 means that the + * system call should not be restarted. In + * that case rely on what we have on + * stack. */ + if (elem != NULL && elem->is_syscall) + ret = elem->c_un.syscall; + } + + *sysnum = ret; + debug(DEBUG_FUNCTION, "sysnum=%ld %p %d", ret, + get_instruction_pointer(proc), errno); + if (elem != NULL && elem->is_syscall + && elem->c_un.syscall == *sysnum) + return 2; + + if (*sysnum >= 0) + return 1; + } + return 0; +} + +size_t +arch_type_sizeof(struct Process *proc, struct arg_type_info *info) +{ + if (proc == NULL) + return (size_t)-2; + + switch (info->type) { + case ARGTYPE_VOID: + return 0; + + case ARGTYPE_CHAR: + return 1; + + case ARGTYPE_SHORT: + case ARGTYPE_USHORT: + return 2; + + case ARGTYPE_INT: + case ARGTYPE_UINT: + return 4; + + case ARGTYPE_LONG: + case ARGTYPE_ULONG: + case ARGTYPE_POINTER: + return proc->e_machine == EM_X86_64 ? 8 : 4; + + case ARGTYPE_FLOAT: + return 4; + case ARGTYPE_DOUBLE: + return 8; + + case ARGTYPE_ARRAY: + case ARGTYPE_STRUCT: + /* Use default value. */ + return (size_t)-2; + + default: + assert(info->type != info->type); + abort(); + } +} + +size_t +arch_type_alignof(struct Process *proc, struct arg_type_info *info) +{ + if (proc == NULL) + return (size_t)-2; + + switch (info->type) { + default: + assert(info->type != info->type); + abort(); + break; + + case ARGTYPE_CHAR: + return 1; + + case ARGTYPE_SHORT: + case ARGTYPE_USHORT: + return 2; + + case ARGTYPE_INT: + case ARGTYPE_UINT: + return 4; + + case ARGTYPE_LONG: + case ARGTYPE_ULONG: + case ARGTYPE_POINTER: + return proc->e_machine == EM_X86_64 ? 8 : 4; + + case ARGTYPE_FLOAT: + return 4; + case ARGTYPE_DOUBLE: + return proc->e_machine == EM_X86_64 ? 8 : 4; + + case ARGTYPE_ARRAY: + case ARGTYPE_STRUCT: + /* Use default value. */ + return (size_t)-2; + } +} diff --git a/sysdeps/linux-gnu/x86_64/Makefile b/sysdeps/linux-gnu/x86_64/Makefile deleted file mode 100644 index 0a19c97..0000000 --- a/sysdeps/linux-gnu/x86_64/Makefile +++ /dev/null @@ -1,9 +0,0 @@ -OBJ = trace.o regs.o plt.o - -all: arch.o - -arch.o: $(OBJ) - $(CC) -nostdlib -r -o arch.o $(OBJ) - -clean: - $(RM) $(OBJ) arch.o diff --git a/sysdeps/linux-gnu/x86_64/arch.h b/sysdeps/linux-gnu/x86_64/arch.h deleted file mode 100644 index 255395c..0000000 --- a/sysdeps/linux-gnu/x86_64/arch.h +++ /dev/null @@ -1,12 +0,0 @@ -#define BREAKPOINT_VALUE {0xcc} -#define BREAKPOINT_LENGTH 1 -#define DECR_PC_AFTER_BREAK 1 - -#define LT_ELFCLASS ELFCLASS64 -#define LT_ELF_MACHINE EM_X86_64 -#define LT_ELFCLASS2 ELFCLASS32 -#define LT_ELF_MACHINE2 EM_386 - -/* __NR_fork, __NR_clone, __NR_clone2, __NR_vfork and __NR_execve - from asm-i386/unistd.h. */ -#define FORK_EXEC_SYSCALLS , { 2, 120, -1, 190, 11 } diff --git a/sysdeps/linux-gnu/x86_64/ffcheck.c b/sysdeps/linux-gnu/x86_64/ffcheck.c deleted file mode 100644 index e69de29..0000000 diff --git a/sysdeps/linux-gnu/x86_64/plt.c b/sysdeps/linux-gnu/x86_64/plt.c deleted file mode 100644 index b53ff44..0000000 --- a/sysdeps/linux-gnu/x86_64/plt.c +++ /dev/null @@ -1,12 +0,0 @@ -#include -#include "common.h" - -GElf_Addr -arch_plt_sym_val(struct ltelf *lte, size_t ndx, GElf_Rela * rela) { - return lte->plt_addr + (ndx + 1) * 16; -} - -void * -sym2addr(Process *proc, struct library_symbol *sym) { - return sym->enter_addr; -} diff --git a/sysdeps/linux-gnu/x86_64/ptrace.h b/sysdeps/linux-gnu/x86_64/ptrace.h deleted file mode 100644 index c3cbcb6..0000000 --- a/sysdeps/linux-gnu/x86_64/ptrace.h +++ /dev/null @@ -1 +0,0 @@ -#include diff --git a/sysdeps/linux-gnu/x86_64/regs.c b/sysdeps/linux-gnu/x86_64/regs.c deleted file mode 100644 index ed1f118..0000000 --- a/sysdeps/linux-gnu/x86_64/regs.c +++ /dev/null @@ -1,54 +0,0 @@ -#include "config.h" - -#include -#include -#include - -#include "common.h" - -#if (!defined(PTRACE_PEEKUSER) && defined(PTRACE_PEEKUSR)) -# define PTRACE_PEEKUSER PTRACE_PEEKUSR -#endif - -#if (!defined(PTRACE_POKEUSER) && defined(PTRACE_POKEUSR)) -# define PTRACE_POKEUSER PTRACE_POKEUSR -#endif - -void * -get_instruction_pointer(Process *proc) { - long int ret = ptrace(PTRACE_PEEKUSER, proc->pid, 8 * RIP, 0); - if (proc->mask_32bit) - ret &= 0xffffffff; - return (void *)ret; -} - -void -set_instruction_pointer(Process *proc, void *addr) { - if (proc->mask_32bit) - addr = (void *)((long int)addr & 0xffffffff); - ptrace(PTRACE_POKEUSER, proc->pid, 8 * RIP, addr); -} - -void * -get_stack_pointer(Process *proc) { - long int ret = ptrace(PTRACE_PEEKUSER, proc->pid, 8 * RSP, 0); - if (proc->mask_32bit) - ret &= 0xffffffff; - return (void *)ret; -} - -void * -get_return_addr(Process *proc, void *stack_pointer) { - unsigned long int ret; - ret = ptrace(PTRACE_PEEKTEXT, proc->pid, stack_pointer, 0); - if (proc->mask_32bit) - ret &= 0xffffffff; - return (void *)ret; -} - -void -set_return_addr(Process *proc, void *addr) { - if (proc->mask_32bit) - addr = (void *)((long int)addr & 0xffffffff); - ptrace(PTRACE_POKETEXT, proc->pid, proc->stack_pointer, addr); -} diff --git a/sysdeps/linux-gnu/x86_64/signalent1.h b/sysdeps/linux-gnu/x86_64/signalent1.h deleted file mode 100644 index 5ead946..0000000 --- a/sysdeps/linux-gnu/x86_64/signalent1.h +++ /dev/null @@ -1 +0,0 @@ -#include "i386/signalent.h" diff --git a/sysdeps/linux-gnu/x86_64/syscallent.h b/sysdeps/linux-gnu/x86_64/syscallent.h deleted file mode 100644 index 5e5f88a..0000000 --- a/sysdeps/linux-gnu/x86_64/syscallent.h +++ /dev/null @@ -1,256 +0,0 @@ -"read", /* 0 */ - "write", /* 1 */ - "open", /* 2 */ - "close", /* 3 */ - "stat", /* 4 */ - "fstat", /* 5 */ - "lstat", /* 6 */ - "poll", /* 7 */ - "lseek", /* 8 */ - "mmap", /* 9 */ - "mprotect", /* 10 */ - "munmap", /* 11 */ - "brk", /* 12 */ - "rt_sigaction", /* 13 */ - "rt_sigprocmask", /* 14 */ - "rt_sigreturn", /* 15 */ - "ioctl", /* 16 */ - "pread", /* 17 */ - "pwrite", /* 18 */ - "readv", /* 19 */ - "writev", /* 20 */ - "access", /* 21 */ - "pipe", /* 22 */ - "select", /* 23 */ - "sched_yield", /* 24 */ - "mremap", /* 25 */ - "msync", /* 26 */ - "mincore", /* 27 */ - "madvise", /* 28 */ - "shmget", /* 29 */ - "shmat", /* 30 */ - "shmctl", /* 31 */ - "dup", /* 32 */ - "dup2", /* 33 */ - "pause", /* 34 */ - "nanosleep", /* 35 */ - "getitimer", /* 36 */ - "alarm", /* 37 */ - "setitimer", /* 38 */ - "getpid", /* 39 */ - "sendfile", /* 40 */ - "socket", /* 41 */ - "connect", /* 42 */ - "accept", /* 43 */ - "sendto", /* 44 */ - "recvfrom", /* 45 */ - "sendmsg", /* 46 */ - "recvmsg", /* 47 */ - "shutdown", /* 48 */ - "bind", /* 49 */ - "listen", /* 50 */ - "getsockname", /* 51 */ - "getpeername", /* 52 */ - "socketpair", /* 53 */ - "setsockopt", /* 54 */ - "getsockopt", /* 55 */ - "clone", /* 56 */ - "fork", /* 57 */ - "vfork", /* 58 */ - "execve", /* 59 */ - "exit", /* 60 */ - "wait4", /* 61 */ - "kill", /* 62 */ - "uname", /* 63 */ - "semget", /* 64 */ - "semop", /* 65 */ - "semctl", /* 66 */ - "shmdt", /* 67 */ - "msgget", /* 68 */ - "msgsnd", /* 69 */ - "msgrcv", /* 70 */ - "msgctl", /* 71 */ - "fcntl", /* 72 */ - "flock", /* 73 */ - "fsync", /* 74 */ - "fdatasync", /* 75 */ - "truncate", /* 76 */ - "ftruncate", /* 77 */ - "getdents", /* 78 */ - "getcwd", /* 79 */ - "chdir", /* 80 */ - "fchdir", /* 81 */ - "rename", /* 82 */ - "mkdir", /* 83 */ - "rmdir", /* 84 */ - "creat", /* 85 */ - "link", /* 86 */ - "unlink", /* 87 */ - "symlink", /* 88 */ - "readlink", /* 89 */ - "chmod", /* 90 */ - "fchmod", /* 91 */ - "chown", /* 92 */ - "fchown", /* 93 */ - "lchown", /* 94 */ - "umask", /* 95 */ - "gettimeofday", /* 96 */ - "getrlimit", /* 97 */ - "getrusage", /* 98 */ - "sysinfo", /* 99 */ - "times", /* 100 */ - "ptrace", /* 101 */ - "getuid", /* 102 */ - "syslog", /* 103 */ - "getgid", /* 104 */ - "setuid", /* 105 */ - "setgid", /* 106 */ - "geteuid", /* 107 */ - "getegid", /* 108 */ - "setpgid", /* 109 */ - "getppid", /* 110 */ - "getpgrp", /* 111 */ - "setsid", /* 112 */ - "setreuid", /* 113 */ - "setregid", /* 114 */ - "getgroups", /* 115 */ - "setgroups", /* 116 */ - "setresuid", /* 117 */ - "getresuid", /* 118 */ - "setresgid", /* 119 */ - "getresgid", /* 120 */ - "getpgid", /* 121 */ - "setfsuid", /* 122 */ - "setfsgid", /* 123 */ - "getsid", /* 124 */ - "capget", /* 125 */ - "capset", /* 126 */ - "rt_sigpending", /* 127 */ - "rt_sigtimedwait", /* 128 */ - "rt_sigqueueinfo", /* 129 */ - "rt_sigsuspend", /* 130 */ - "sigaltstack", /* 131 */ - "utime", /* 132 */ - "mknod", /* 133 */ - "uselib", /* 134 */ - "personality", /* 135 */ - "ustat", /* 136 */ - "statfs", /* 137 */ - "fstatfs", /* 138 */ - "sysfs", /* 139 */ - "getpriority", /* 140 */ - "setpriority", /* 141 */ - "sched_setparam", /* 142 */ - "sched_getparam", /* 143 */ - "sched_setscheduler", /* 144 */ - "sched_getscheduler", /* 145 */ - "sched_get_priority_max", /* 146 */ - "sched_get_priority_min", /* 147 */ - "sched_rr_get_interval", /* 148 */ - "mlock", /* 149 */ - "munlock", /* 150 */ - "mlockall", /* 151 */ - "munlockall", /* 152 */ - "vhangup", /* 153 */ - "modify_ldt", /* 154 */ - "pivot_root", /* 155 */ - "_sysctl", /* 156 */ - "prctl", /* 157 */ - "arch_prctl", /* 158 */ - "adjtimex", /* 159 */ - "setrlimit", /* 160 */ - "chroot", /* 161 */ - "sync", /* 162 */ - "acct", /* 163 */ - "settimeofday", /* 164 */ - "mount", /* 165 */ - "umount2", /* 166 */ - "swapon", /* 167 */ - "swapoff", /* 168 */ - "reboot", /* 169 */ - "sethostname", /* 170 */ - "setdomainname", /* 171 */ - "iopl", /* 172 */ - "ioperm", /* 173 */ - "create_module", /* 174 */ - "init_module", /* 175 */ - "delete_module", /* 176 */ - "get_kernel_syms", /* 177 */ - "query_module", /* 178 */ - "quotactl", /* 179 */ - "nfsservctl", /* 180 */ - "getpmsg", /* 181 */ - "putpmsg", /* 182 */ - "afs_syscall", /* 183 */ - "tuxcall", /* 184 */ - "security", /* 185 */ - "gettid", /* 186 */ - "readahead", /* 187 */ - "setxattr", /* 188 */ - "lsetxattr", /* 189 */ - "fsetxattr", /* 190 */ - "getxattr", /* 191 */ - "lgetxattr", /* 192 */ - "fgetxattr", /* 193 */ - "listxattr", /* 194 */ - "llistxattr", /* 195 */ - "flistxattr", /* 196 */ - "removexattr", /* 197 */ - "lremovexattr", /* 198 */ - "fremovexattr", /* 199 */ - "tkill", /* 200 */ - "time", /* 201 */ - "futex", /* 202 */ - "sched_setaffinity", /* 203 */ - "sched_getaffinity", /* 204 */ - "set_thread_area", /* 205 */ - "io_setup", /* 206 */ - "io_destroy", /* 207 */ - "io_getevents", /* 208 */ - "io_submit", /* 209 */ - "io_cancel", /* 210 */ - "get_thread_area", /* 211 */ - "lookup_dcookie", /* 212 */ - "epoll_create", /* 213 */ - "epoll_ctl", /* 214 */ - "epoll_wait", /* 215 */ - "remap_file_pages", /* 216 */ - "getdents64", /* 217 */ - "set_tid_address", /* 218 */ - "restart_syscall", /* 219 */ - "semtimedop", /* 220 */ - "fadvise64", /* 221 */ - "timer_create", /* 222 */ - "timer_settime", /* 223 */ - "timer_gettime", /* 224 */ - "timer_getoverrun", /* 225 */ - "timer_delete", /* 226 */ - "clock_settime", /* 227 */ - "clock_gettime", /* 228 */ - "clock_getres", /* 229 */ - "clock_nanosleep", /* 230 */ - "exit_group", /* 231 */ - "epoll_wait", /* 232 */ - "epoll_ctl", /* 233 */ - "tgkill", /* 234 */ - "utimes", /* 235 */ - "vserver", /* 236 */ - "mbind", /* 237 */ - "set_mempolicy", /* 238 */ - "get_mempolicy", /* 239 */ - "mq_open", /* 240 */ - "mq_unlink", /* 241 */ - "mq_timedsend", /* 242 */ - "mq_timedreceive", /* 243 */ - "mq_notify", /* 244 */ - "mq_getsetattr", /* 245 */ - "kexec_load", /* 246 */ - "waitid", /* 247 */ - "add_key", /* 248 */ - "request_key", /* 249 */ - "keyctl", /* 250 */ - "ioprio_set", /* 251 */ - "ioprio_get", /* 252 */ - "inotify_init", /* 253 */ - "inotify_add_watch", /* 254 */ - "inotify_rm_watch", /* 255 */ diff --git a/sysdeps/linux-gnu/x86_64/syscallent1.h b/sysdeps/linux-gnu/x86_64/syscallent1.h deleted file mode 100644 index d8dd9f7..0000000 --- a/sysdeps/linux-gnu/x86_64/syscallent1.h +++ /dev/null @@ -1 +0,0 @@ -#include "i386/syscallent.h" diff --git a/sysdeps/linux-gnu/x86_64/trace.c b/sysdeps/linux-gnu/x86_64/trace.c deleted file mode 100644 index 189734d..0000000 --- a/sysdeps/linux-gnu/x86_64/trace.c +++ /dev/null @@ -1,144 +0,0 @@ -#include "config.h" - -#include -#include -#include -#include -#include -#include - -#include "common.h" - -#if (!defined(PTRACE_PEEKUSER) && defined(PTRACE_PEEKUSR)) -# define PTRACE_PEEKUSER PTRACE_PEEKUSR -#endif - -#if (!defined(PTRACE_POKEUSER) && defined(PTRACE_POKEUSR)) -# define PTRACE_POKEUSER PTRACE_POKEUSR -#endif - -void -get_arch_dep(Process *proc) { - unsigned long cs; - if (proc->arch_ptr) - return; - cs = ptrace(PTRACE_PEEKUSER, proc->pid, 8 * CS, 0); - if (cs == 0x23) { - proc->mask_32bit = 1; - proc->personality = 1; - } - proc->arch_ptr = (void *)1; -} - -/* Returns 1 if syscall, 2 if sysret, 0 otherwise. - */ -int -syscall_p(Process *proc, int status, int *sysnum) { - if (WIFSTOPPED(status) - && WSTOPSIG(status) == (SIGTRAP | proc->tracesysgood)) { - *sysnum = ptrace(PTRACE_PEEKUSER, proc->pid, 8 * ORIG_RAX, 0); - - if (proc->callstack_depth > 0 && - proc->callstack[proc->callstack_depth - 1].is_syscall && - proc->callstack[proc->callstack_depth - 1].c_un.syscall == *sysnum) { - return 2; - } - - if (*sysnum >= 0) { - return 1; - } - } - return 0; -} - -static unsigned int -gimme_arg32(enum tof type, Process *proc, int arg_num) { - if (arg_num == -1) { /* return value */ - return ptrace(PTRACE_PEEKUSER, proc->pid, 8 * RAX, 0); - } - - if (type == LT_TOF_FUNCTION || type == LT_TOF_FUNCTIONR) { - return ptrace(PTRACE_PEEKTEXT, proc->pid, - proc->stack_pointer + 4 * (arg_num + 1), 0); - } else if (type == LT_TOF_SYSCALL || type == LT_TOF_SYSCALLR) { - switch (arg_num) { - case 0: - return ptrace(PTRACE_PEEKUSER, proc->pid, 8 * RBX, 0); - case 1: - return ptrace(PTRACE_PEEKUSER, proc->pid, 8 * RCX, 0); - case 2: - return ptrace(PTRACE_PEEKUSER, proc->pid, 8 * RDX, 0); - case 3: - return ptrace(PTRACE_PEEKUSER, proc->pid, 8 * RSI, 0); - case 4: - return ptrace(PTRACE_PEEKUSER, proc->pid, 8 * RDI, 0); - case 5: - return ptrace(PTRACE_PEEKUSER, proc->pid, 8 * RBP, 0); - default: - fprintf(stderr, - "gimme_arg32 called with wrong arguments\n"); - exit(2); - } - } - fprintf(stderr, "gimme_arg called with wrong arguments\n"); - exit(1); -} - -long -gimme_arg(enum tof type, Process *proc, int arg_num, arg_type_info *info) { - if (proc->mask_32bit) - return (unsigned int)gimme_arg32(type, proc, arg_num); - - if (arg_num == -1) { /* return value */ - return ptrace(PTRACE_PEEKUSER, proc->pid, 8 * RAX, 0); - } - - if (type == LT_TOF_FUNCTION || type == LT_TOF_FUNCTIONR) { - switch (arg_num) { - case 0: - return ptrace(PTRACE_PEEKUSER, proc->pid, 8 * RDI, 0); - case 1: - return ptrace(PTRACE_PEEKUSER, proc->pid, 8 * RSI, 0); - case 2: - return ptrace(PTRACE_PEEKUSER, proc->pid, 8 * RDX, 0); - case 3: - return ptrace(PTRACE_PEEKUSER, proc->pid, 8 * RCX, 0); - case 4: - return ptrace(PTRACE_PEEKUSER, proc->pid, 8 * R8, 0); - case 5: - return ptrace(PTRACE_PEEKUSER, proc->pid, 8 * R9, 0); - default: - return ptrace(PTRACE_PEEKTEXT, proc->pid, - proc->stack_pointer + 8 * (arg_num - 6 + - 1), 0); - } - } else if (type == LT_TOF_SYSCALL || LT_TOF_SYSCALLR) { - switch (arg_num) { - case 0: - return ptrace(PTRACE_PEEKUSER, proc->pid, 8 * RDI, 0); - case 1: - return ptrace(PTRACE_PEEKUSER, proc->pid, 8 * RSI, 0); - case 2: - return ptrace(PTRACE_PEEKUSER, proc->pid, 8 * RDX, 0); - case 3: - return ptrace(PTRACE_PEEKUSER, proc->pid, 8 * R10, 0); - case 4: - return ptrace(PTRACE_PEEKUSER, proc->pid, 8 * R8, 0); - case 5: - return ptrace(PTRACE_PEEKUSER, proc->pid, 8 * R9, 0); - default: - fprintf(stderr, - "gimme_arg called with wrong arguments\n"); - exit(2); - } - } else { - fprintf(stderr, "gimme_arg called with wrong arguments\n"); - exit(1); - } - - return 0; -} - -void -save_register_args(enum tof type, Process *proc) { -} diff --git a/sysdeps/sysdep.h b/sysdeps/sysdep.h new file mode 100644 index 0000000..e8e287f --- /dev/null +++ b/sysdeps/sysdep.h @@ -0,0 +1,66 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2012 Petr Machata, Red Hat Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#ifndef LTRACE_SYSDEP_H +#define LTRACE_SYSDEP_H + +#include +#ifndef ARCH_HAVE_ADDRESS_TYPES +/* We should in general be able to trace 64-bit processes with 32-bit + * ltrace. (At least PPC has several PTRACE requests related to + * tracing 64-on-32, so presumably it should be possible.) But ltrace + * is currently hopelessly infested with using void* for host address. + * So keep with it, for now. */ +typedef void *arch_addr_t; +#endif + +#include + +#ifndef ARCH_HAVE_LTELF_DATA +struct arch_ltelf_data { +}; +#endif + +#ifndef ARCH_HAVE_BREAKPOINT_DATA +struct arch_breakpoint_data { +}; +#endif + +#ifndef ARCH_HAVE_LIBRARY_SYMBOL_DATA +struct arch_library_symbol_data { +}; +#endif + +#ifndef ARCH_HAVE_LIBRARY_DATA +struct arch_library_data { +}; +#endif + +#ifndef OS_HAVE_PROCESS_DATA +struct os_process_data { +}; +#endif + +#ifndef ARCH_HAVE_PROCESS_DATA +struct arch_process_data { +}; +#endif + +#endif /* LTRACE_SYSDEP_H */ diff --git a/testsuite/Makefile b/testsuite/Makefile deleted file mode 100644 index b78807e..0000000 --- a/testsuite/Makefile +++ /dev/null @@ -1,71 +0,0 @@ -# Copyright (C) 1992 - 2001 Free Software Foundation, Inc. -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 1, or (at your option) -# any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -# - -AUTOMAKE_OPTIONS = dejagnu -EXPECT = expect -RUNTEST = runtest -CC = @CC@ - -srcdir = . -RUNTESTDEFAULTFLAGS = --srcdir $(srcdir) - -CLEANFILES = *.log *.sum site.bak setval.tmp site.exp - -SUBDIRS = ltrace.main ltrace.minor ltrace.torture - -#all: all-recursive - -.SUFFIXES: - -check-DEJAGNU: site.exp - EXPECT=$(EXPECT); export EXPECT; - @$(RUNTEST) $(RUNTESTDEFAULTFLAGS) $(RUNTESTFLAGS); - -site.exp: - @echo 'Making a new site.exp file...' - @echo '## these variables are automatically generated by make ##' >site.tmp - @echo '# Do not edit here. If you wish to override these values' >>site.tmp - @echo '# edit the last section' >>site.tmp - @echo 'set srcdir $(srcdir)' >>site.tmp - @echo "set objdir `pwd`" >>site.tmp - @echo '## All variables above are generated by configure. Do Not Edit ##' >>site.tmp - @test ! -f site.exp || \ - sed '1,/^## All variables above are.*##/ d' site.exp >> site.tmp - @-rm -f site.bak - @test ! -f site.exp || mv site.exp site.bak - @mv site.tmp site.exp - -check: check-DEJAGNU - -clean: - list='$(SUBDIRS)'; for subdir in $$list; do \ - echo "Making clean in $$subdir"; \ - (cd $$subdir && $(MAKE) clean ) done; - - -rm -f $(CLEANFILES) - -distclean: - list='$(SUBDIRS)'; for subdir in $$list; do \ - echo "Making clean in $$subdir"; \ - (cd $$subdir && $(MAKE) distclean ) done; - -rm -f $(CLEANFILES) - -.PHONY: $(RECURSIVE_TARGETS) check clean distclean realclean - -# Tell versions [3.59,3.63) of GNU make to not export all variables. -# Otherwise a system limit (for SysV at least) may be exceeded. -.NOEXPORT: diff --git a/testsuite/ltrace.minor/Makefile b/testsuite/Makefile.am similarity index 52% rename from testsuite/ltrace.minor/Makefile rename to testsuite/Makefile.am index cd4914f..f9b6c0d 100644 --- a/testsuite/ltrace.minor/Makefile +++ b/testsuite/Makefile.am @@ -15,22 +15,31 @@ # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. # -CLEANFILES = *.log *.sum site.bak setval.tmp site.exp +AUTOMAKE_OPTIONS = dejagnu -.SUFFIXES: -clean: - -rm -f demangle trace-fork trace-clone trace-exec trace-exec1 - -rm -f time-record-tt time-record-ttt time-record-T - -rm -f attach-process count-record - -rm -f print-instruction-pointer - -rm -f *.o *.so - -rm -f *.ltrace - -rm -f $(CLEANFILES) -distclean: clean +if USE_VALGRIND +valgrind_cmd="VALGRIND=valgrind -q --error-exitcode=1 --leak-check=full" +endif +RUNTESTDEFAULTFLAGS = --srcdir $(srcdir) $(valgrind_cmd) -.PHONY: $(RECURSIVE_TARGETS) check clean distclean realclean +SUBDIRS = ltrace.main ltrace.minor ltrace.torture -# Tell versions [3.59,3.63) of GNU make to not export all variables. -# Otherwise a system limit (for SysV at least) may be exceeded. -.NOEXPORT: +EXTRA_DIST = \ + README \ + config/unix.exp \ + lib/compiler.c \ + lib/compiler.cc \ + lib/ltrace.exp \ + run-my-tests.sh + +BUILT_SOURCES = env.exp + +env.exp: Makefile + rm -f env.exp + echo set libelf_LD_LIBRARY_PATH '"$(libelf_LD_LIBRARY_PATH)"' >> $@ + echo set libunwind_LD_LIBRARY_PATH '"$(libunwind_LD_LIBRARY_PATH)"' >> $@ + +CLEANFILES = *.o *.so *.log *.sum *.ltrace site.bak setval.tmp site.exp env.exp + +MAINTAINERCLEANFILES = Makefile.in diff --git a/testsuite/Makefile.in b/testsuite/Makefile.in new file mode 100644 index 0000000..1c0ae49 --- /dev/null +++ b/testsuite/Makefile.in @@ -0,0 +1,654 @@ +# Makefile.in generated by automake 1.11.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, +# Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# Copyright (C) 1992 - 2001 Free Software Foundation, Inc. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 1, or (at your option) +# any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +# +VPATH = @srcdir@ +pkgdatadir = $(datadir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkglibexecdir = $(libexecdir)/@PACKAGE@ +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = $(program_transform_name) +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : +NORMAL_UNINSTALL = : +PRE_UNINSTALL = : +POST_UNINSTALL = : +build_triplet = @build@ +host_triplet = @host@ +subdir = testsuite +DIST_COMMON = README $(srcdir)/Makefile.am $(srcdir)/Makefile.in +ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 +am__aclocal_m4_deps = $(top_srcdir)/config/m4/libtool.m4 \ + $(top_srcdir)/config/m4/ltoptions.m4 \ + $(top_srcdir)/config/m4/ltsugar.m4 \ + $(top_srcdir)/config/m4/ltversion.m4 \ + $(top_srcdir)/config/m4/lt~obsolete.m4 \ + $(top_srcdir)/configure.ac +am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \ + $(ACLOCAL_M4) +mkinstalldirs = $(install_sh) -d +CONFIG_HEADER = $(top_builddir)/config.h +CONFIG_CLEAN_FILES = +CONFIG_CLEAN_VPATH_FILES = +SOURCES = +DIST_SOURCES = +RECURSIVE_TARGETS = all-recursive check-recursive dvi-recursive \ + html-recursive info-recursive install-data-recursive \ + install-dvi-recursive install-exec-recursive \ + install-html-recursive install-info-recursive \ + install-pdf-recursive install-ps-recursive install-recursive \ + installcheck-recursive installdirs-recursive pdf-recursive \ + ps-recursive uninstall-recursive +RECURSIVE_CLEAN_TARGETS = mostlyclean-recursive clean-recursive \ + distclean-recursive maintainer-clean-recursive +AM_RECURSIVE_TARGETS = $(RECURSIVE_TARGETS:-recursive=) \ + $(RECURSIVE_CLEAN_TARGETS:-recursive=) tags TAGS ctags CTAGS \ + distdir +ETAGS = etags +CTAGS = ctags +DEJATOOL = $(PACKAGE) +EXPECT = expect +RUNTEST = runtest +DIST_SUBDIRS = $(SUBDIRS) +DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST) +am__relativize = \ + dir0=`pwd`; 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(qiyao@cn.ibm.com) +# This file is part of ltrace. +# Copyright (C) 2012 Petr Machata, Red Hat Inc. +# Copyright (C) 2006 Yao Qi, IBM Corporation +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA # Generic ltrace test subroutines that should work for any target. If these # need to be modified for any target, it can be done with a variable # or by passing arguments. +source $objdir/env.exp -global LTRACE if [info exists TOOL_EXECUTABLE] { set LTRACE $TOOL_EXECUTABLE } else { set LTRACE $objdir/../ltrace } -global LTRACE_OPTIONS -set LTRACE_OPTIONS ""; +if {[info exists VALGRIND] && ![string equal $VALGRIND {}]} { + verbose "Running under valgrind command: `$VALGRIND'" + set LTRACE "$VALGRIND $LTRACE" +} + +set LTRACE_OPTIONS {} +set LTRACE_ARGS {} +set LTRACE_TEMP_FILES {} # ltrace_compile SOURCE DEST TYPE OPTIONS # @@ -29,42 +52,50 @@ set LTRACE_OPTIONS ""; # OPTIONS is option to compiler in this compilation. proc ltrace_compile {source dest type options} { global LTRACE_TESTCASE_OPTIONS; - - # Add platform-specific options if a shared library was specified using - # "shlib=librarypath" in OPTIONS. - set new_options "" - set shlib_found 0 - - foreach opt $options { - if [regexp {^shlib=(.*)} $opt dummy_var shlib_name] { - if [test_compiler_info "xlc*"] { - # IBM xlc compiler doesn't accept shared library named other - # than .so: use "-Wl," to bypass this - lappend source "-Wl,$shlib_name" - } else { - lappend source $shlib_name - } - - if {$shlib_found == 0} { - set shlib_found 1 - - if { ([test_compiler_info "gcc-*"]&& ([istarget "powerpc*-*-aix*"]|| [istarget "rs6000*-*-aix*"] ))} { - lappend options "additional_flags=-L${objdir}/${subdir}" - } elseif { [istarget "mips-sgi-irix*"] } { - lappend options "additional_flags=-rpath ${objdir}/${subdir}" - } - } - - } else { - lappend new_options $opt - } - } - #end of for loop - set options $new_options + + if {![string equal "object" $type]} { + # Add platform-specific options if a shared library was specified using + # "shlib=librarypath" in OPTIONS. + set new_options "" + set shlib_found 0 + + foreach opt $options { + if [regexp {^shlib=(.*)} $opt dummy_var shlib_name] { + if [test_compiler_info "xlc*"] { + # IBM xlc compiler doesn't accept shared library named other + # than .so: use "-Wl," to bypass this + lappend source "-Wl,$shlib_name" + } else { + lappend source $shlib_name + } + + if {$shlib_found == 0} { + set shlib_found 1 + + if { ([test_compiler_info "gcc-*"]&& ([istarget "powerpc*-*-aix*"]|| [istarget "rs6000*-*-aix*"] ))} { + lappend options "additional_flags=-L${objdir}/${subdir}" + } elseif { [istarget "mips-sgi-irix*"] } { + lappend options "additional_flags=-rpath ${objdir}/${subdir}" + } + } + + } else { + lappend new_options $opt + } + } + + #end of for loop + set options $new_options + } + # dump some information for debug purpose. verbose "options are $options" verbose "source is $source $dest $type $options" - + + # Wipe the DEST file, so that we don't end up running an obsolete + # version of the binary. + exec rm -f $dest + set result [target_compile $source $dest $type $options]; verbose "result is $result" regsub "\[\r\n\]*$" "$result" "" result; @@ -128,11 +159,11 @@ proc get_compiler_info {binfile args} { proc test_compiler_info { {compiler ""} } { global compiler_info - verbose "compiler_info=$compiler_info" - # if no arg, return the compiler_info string if [string match "" $compiler] { if [info exists compiler_info] { + verbose "compiler_info=$compiler_info" + # if no arg, return the compiler_info string return $compiler_info } else { perror "No compiler info found." @@ -163,15 +194,9 @@ proc ltrace_compile_shlib {sources dest options} { fail "Bad compiler!" } } - - set outdir [file dirname $dest] - set objects "" - foreach source $sources { - set sourcebase [file tail $source] - if {[ltrace_compile $source "${outdir}/${sourcebase}.o" object $obj_options] != ""} { - return -1 - } - lappend objects ${outdir}/${sourcebase}.o + + if {![LtraceCompileObjects $sources $obj_options objects]} { + return -1 } set link_options $options @@ -183,6 +208,416 @@ proc ltrace_compile_shlib {sources dest options} { if {[ltrace_compile "${objects}" "${dest}" executable $link_options] != ""} { return -1 } + + return +} + +# WipeFiles -- +# +# Delete each file in the list. +# +# Arguments: +# files List of files to delete. +# Results: +# Each of the files is deleted. Returns nothing. + +proc WipeFiles {files} { + verbose "WipeFiles: $files\n" + foreach f $files { + file delete $f + } +} + +# LtraceTmpDir -- +# +# Guess what directory to use for temporary files. +# This was adapted from http://wiki.tcl.tk/772 +# +# Results: +# A temporary directory to use. The current directory if no +# other seems to be available. + +proc LtraceTmpDir {} { + set tmpdir [pwd] + + if {[file exists "/tmp"]} { + set tmpdir "/tmp" + } + + catch {set tmpdir $::env(TMP)} + catch {set tmpdir $::env(TEMP)} + catch {set tmpdir $::env(TMPDIR)} + + return $tmpdir +} + +set LTRACE_TEMP_DIR [LtraceTmpDir] + +# LtraceTempFile -- +# +# Create a temporary file according to a pattern, and return its +# name. This behaves similar to mktemp. We don't use mktemp +# directly, because on older systems, mktemp requires that the +# array of X's be at the very end of the string, while ltrace +# temporary files need to have suffixes. +# +# Arguments: +# pat Pattern to use. See mktemp for description of its format. +# +# Results: +# Creates the temporary file and returns its name. The name is +# also appended to LTRACE_TEMP_FILES. + +proc LtraceTempFile {pat} { + global LTRACE_TEMP_FILES + global LTRACE_TEMP_DIR + + set letters "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789" + set numLetters [string length $letters] + + if {![regexp -indices {(X{3,})} $pat m]} { + send_error -- "Pattern $pat contains insufficient number of X's." + return {} + } + + set start [lindex $m 0] + set end [lindex $m 1] + set len [expr {$end - $start + 1}] + + for {set j 0} {$j < 10} {incr j} { + + # First, generate a random name. + + set randstr {} + for {set i 0} {$i < $len} {incr i} { + set r [expr {int(rand() * $numLetters)}] + append randstr [string index $letters $r] + } + set prefix [string range $pat 0 [expr {$start - 1}]] + set suffix [string range $pat [expr {$end + 1}] end] + set name [file join $LTRACE_TEMP_DIR "$prefix$randstr$suffix"] + + # Now check that it's free. This is of course racy, but this + # is a test suite, not anything used in actual production. + + if {[file exists $name]} { + continue + } + + # We don't bother attempting to open the file. Downstream + # code can do it itself. + + lappend LTRACE_TEMP_FILES $name + return $name + } + + send_error -- "Couldn't create a temporary file for pattern $pat." + return +} + +# ltraceSource -- +# +# Create a temporary file with a given suffix and prime it with +# contents given in text. +# +# Arguments: +# suffix Suffix of the temp file to be created. +# +# text Contents of the new file. +# +# Results: +# Returns file name of created file. + +proc ltraceSource {suffix text} { + set ret [LtraceTempFile "lt-XXXXXXXXXX.$suffix"] + + set chan [open $ret w] + puts $chan $text + close $chan + + return $ret +} + +# LtraceCompileObjects -- +# +# Compile each source file into an object file. ltrace_compile +# is called to perform actual compilation. +# +# Arguments: +# sources List of source files. +# +# options Options for ltrace_compile. +# +# retName Variable where the resulting list of object names is +# to be placed. +# Results: +# Returns true or false depending on whether there were any +# errors. If it returns true, then variable referenced by +# retName contains list of object files, produced by compiling +# files in sources list. + +proc LtraceCompileObjects {sources options retName} { + global LTRACE_TEMP_FILES + upvar $retName ret + set ret {} + + foreach source $sources { + set sourcebase [file tail $source] + set dest $source.o + lappend LTRACE_TEMP_FILES $dest + verbose "LtraceCompileObjects: $source -> $dest" + if {[ltrace_compile $source $dest object $options] != ""} { + return false + } + lappend ret $dest + } + + return true +} + +# ltraceCompile -- +# +# This attempts to compile a binary from sources given in ARGS. +# +# Arguments: +# dest A binary to be produced. If this is called lib*.so, then +# the resulting binary will be a library, if *.pie, it +# will be a PIE, otherwise it will be an executable. In +# theory this could also be *.o for "object" and *.i for +# "preprocess" for cases with one source file, but that +# is not supported at the moment. The binary will be +# placed in $objdir/$subdir. +# +# args List of options and source files. +# +# Options are arguments that start with a dash. Options +# (sans the dash) are passed to ltrace_compile. +# +# Source files named lib*.so are libraries. Those are +# passed to ltrace_compile as options shlib=X. Source +# files named *.o are objects. The remaining source +# files are first compiled (by LtraceCompileObjects) and +# then together with other objects passed to +# ltrace_compile to produce resulting binary. +# +# Any argument that is empty string prompts the function +# to fail. This is done so that errors caused by +# ltraceSource (or similar) distribute naturally +# upwards. +# +# Results: +# This compiles given source files into a binary. Full file name +# of that binary is returned. Empty string is returned in case +# of a failure. + +proc ltraceCompile {dest args} { + global objdir + global subdir + + get_compiler_info {} c + get_compiler_info {} c++ + + if {[string match "lib*.so" $dest]} { + set type "library" + set extraObjOptions "additional_flags=-fpic" + set extraOptions "additional_flags=-shared" + } elseif {[string match "*.pie" $dest]} { + set type "executable" + set extraObjOptions "additional_flags=-fpic" + set extraOptions "additional_flags=-pie" + } else { + set type "executable" + set extraObjOptions {} + set extraOptions {} + } + + set options {} + set sources {} + set objects {} + foreach a $args { + if {[string match "-?*" $a]} { + lappend options [string range $a 1 end] + } elseif {[string match "*.so" $a]} { + lappend options "shlib=$a" + } elseif {[string match "*.o" $a]} { + lappend objects $a + } else { + lappend sources $a + } + } + + if {[string equal $dest {}]} { + set dest [LtraceTempFile "exe-XXXXXXXXXX"] + } elseif {[string equal $dest ".pie"]} { + set dest [LtraceTempFile "pie-XXXXXXXXXX"] + } else { + set dest $objdir/$subdir/$dest + } + + verbose "ltraceCompile: dest $dest" + verbose " : options $options" + verbose " : sources $sources" + verbose " : objects $objects" + + if {![LtraceCompileObjects $sources \ + [concat $options $extraObjOptions] newObjects]} { + return {} + } + set objects [concat $objects $newObjects] + + verbose "ltraceCompile: objects $objects" + + if {[ltrace_compile $objects $dest $type \ + [concat $options $extraOptions]] != ""} { + return {} + } + + return $dest +} + +# ltraceRun -- +# +# Invoke command identified by LTRACE global variable with given +# ARGS. A logfile redirection is automatically ordered by +# passing -o and a temporary file name. +# +# Arguments: +# args Arguments to ltrace binary. +# +# Results: +# Returns name of logfile. The "exec" command that it uses +# under the hood fails loudly if the process exits with a +# non-zero exit status, or uses stderr in any way. + +proc ltraceRun {args} { + global LTRACE + global objdir + global subdir + + set LdPath [ld_library_path $objdir/$subdir] + set logfile [ltraceSource ltrace {}] + + # Run ltrace. expect will show an error if this doesn't exit with + # zero exit status (i.e. ltrace fails, valgrind finds errors, + # etc.). + + set command "exec env LD_LIBRARY_PATH=$LdPath $LTRACE -o $logfile $args" + verbose $command + if {[catch {eval $command}] } { + fail "test case execution failed" + send_error -- $command + send_error -- $::errorInfo + } + + return $logfile +} + +# ltraceDone -- +# +# Wipes or dumps all temporary files after a test suite has +# finished. +# +# Results: +# Doesn't return anything. Wipes all files gathered in +# LTRACE_TEMP_FILES. If SAVE_TEMPS is defined and true, the +# temporary files are not wiped, but their names are dumped +# instead. Contents of LTRACE_TEMP_FILES are deleted in any +# case. + +proc ltraceDone {} { + global SAVE_TEMPS + global LTRACE_TEMP_FILES + + if {[info exists SAVE_TEMPS] && $SAVE_TEMPS} { + foreach tmp $LTRACE_TEMP_FILES { + send_user "$tmp\n" + } + } else { + WipeFiles $LTRACE_TEMP_FILES + } + + set LTRACE_TEMP_FILES {} + return +} + +# Grep -- +# +# Return number of lines in a given file, matching a given +# regular expression. +# +# Arguments: +# logfile File to search through. +# +# re Regular expression to match. +# +# Results: +# Returns number of matching lines. + +proc Grep {logfile re} { + set count 0 + set fp [open $logfile] + while {[gets $fp line] >= 0} { + if [regexp -- $re $line] { + incr count + } + } + close $fp + return $count +} + +# ltraceMatch1 -- +# +# Look for a pattern in a given logfile, comparing number of +# occurences of the pattern with expectation. +# +# Arguments: +# logfile The name of file where to look for patterns. +# +# pattern Regular expression pattern to look for. +# +# op Operator to compare number of occurences. +# +# expect Second operand to op, the first being number of +# occurences of pattern. +# +# Results: +# Doesn't return anything, but calls fail or pass depending on +# whether the patterns matches expectation. + +proc ltraceMatch1 {logfile pattern {op ==} {expect 1}} { + set count [Grep $logfile $pattern] + set msgMain "$pattern appears in $logfile $count times" + set msgExpect ", expected $op $expect" + + if {[eval expr $count $op $expect]} { + pass $msgMain + } else { + fail $msgMain$msgExpect + } + return +} + +# ltraceMatch -- +# +# Look for series of patterns in a given logfile, comparing +# number of occurences of each pattern with expectations. +# +# Arguments: +# logfile The name of file where to look for patterns. +# +# patterns List of patterns to look for. ltraceMatch1 is called +# on each of these in turn. +# +# Results: +# +# Doesn't return anything, but calls fail or pass depending on +# whether each of the patterns holds. + +proc ltraceMatch {logfile patterns} { + foreach pat $patterns { + eval ltraceMatch1 [linsert $pat 0 $logfile] + } + return } # @@ -196,6 +631,37 @@ proc ltrace_options { args } { } # +# ltrace_args ARGS_LIST +# Pass ltrace'd program its own commandline options. +# +proc ltrace_args { args } { + + global LTRACE_ARGS + set LTRACE_ARGS $args +} + +# +# handle run-time library paths +# +proc ld_library_path { args } { + + set ALL_LIBRARY_PATHS { } + if [info exists LD_LIBRARY_PATH] { + lappend ALL_LIBRARY_PATHS $LD_LIBRARY_PATH + } + global libelf_LD_LIBRARY_PATH + if {[string length $libelf_LD_LIBRARY_PATH] > 0} { + lappend ALL_LIBRARY_PATHS $libelf_LD_LIBRARY_PATH + } + global libunwind_LD_LIBRARY_PATH + if {[string length $libunwind_LD_LIBRARY_PATH] > 0} { + lappend ALL_LIBRARY_PATHS $libunwind_LD_LIBRARY_PATH + } + lappend ALL_LIBRARY_PATHS $args + join $ALL_LIBRARY_PATHS ":" +} + +# # ltrace_runtest LD_LIBRARY_PATH BIN FILE # Trace the execution of BIN and return result. # @@ -208,10 +674,11 @@ proc ltrace_runtest { args } { global LTRACE global LTRACE_OPTIONS + global LTRACE_ARGS verbose "LTRACE = $LTRACE" - set LD_LIBRARY_PATH_ [lindex $args 0] + set LD_LIBRARY_PATH_ [ld_library_path [lindex $args 0]] set BIN [lindex $args 1] # specify the output file, the default one is $BIN.ltrace @@ -220,35 +687,29 @@ proc ltrace_runtest { args } { } else { set file $BIN.ltrace } + + # Remove the file first. If ltrace fails to overwrite it, we + # would be comparing output to an obsolete run. + exec rm -f $file + # append this option to LTRACE_OPTIONS. lappend LTRACE_OPTIONS "-o" lappend LTRACE_OPTIONS "$file" verbose "LTRACE_OPTIONS = $LTRACE_OPTIONS" + set command "exec sh -c {export LD_LIBRARY_PATH=$LD_LIBRARY_PATH_; \ + $LTRACE $LTRACE_OPTIONS $BIN $LTRACE_ARGS;exit}" #ltrace the PUT. - catch "exec sh -c {export LD_LIBRARY_PATH=$LD_LIBRARY_PATH_; $LTRACE $LTRACE_OPTIONS $BIN;exit}" output - + if {[catch $command output]} { + fail "test case execution failed" + send_error -- $command + send_error -- $::errorInfo + } + # return output from ltrace. return $output } # -# ltrace_saveoutput OUTPUT FILE -# Save OUTPUT from ltrace to file FILE. -# OUTPUT is output from ltrace or return value of ltrace_runtest. -# FILE is file save output. -# -proc ltrace_saveoutput { args } { - - set output [lindex $args 0] - set file [lindex $args 1] - - set fd [open $file w] - puts $fd $output - close $fd -} - - -# # ltrace_verify_output FILE_TO_SEARCH PATTERN MAX_LINE # Verify the ltrace output by comparing the number of PATTERN in # FILE_TO_SEARCH with INSTANCE_NO. Do not specify INSTANCE_NO if @@ -257,10 +718,10 @@ proc ltrace_saveoutput { args } { # 0 = number of PATTERN in FILE_TO_SEARCH inqual to INSTANCE_NO. # 1 = number of PATTERN in FILE_TO_SEARCH qual to INSTANCE_NO. # -proc ltrace_verify_output { file_to_search pattern {instance_no 0}} { +proc ltrace_verify_output { file_to_search pattern {instance_no 0} {grep_command "grep"}} { # compute the number of PATTERN in FILE_TO_SEARCH by grep and wc. - catch "exec sh -c {grep \"$pattern\" $file_to_search | wc -l ;exit}" output + catch "exec sh -c {$grep_command \"$pattern\" $file_to_search | wc -l ;exit}" output verbose "output = $output" if [ regexp "syntax error" $output ] then { @@ -274,6 +735,6 @@ proc ltrace_verify_output { file_to_search pattern {instance_no 0}} { } elseif { $output >= $instance_no } then { pass "$pattern in $file_to_search for $output times" } else { - fail "$pattern in $file_to_search for $output times ,should be $instance_no" + fail "$pattern in $file_to_search for $output times, should be $instance_no" } } diff --git a/testsuite/ltrace.main/Makefile b/testsuite/ltrace.main/Makefile.am similarity index 53% rename from testsuite/ltrace.main/Makefile rename to testsuite/ltrace.main/Makefile.am index 449214a..ade68d6 100644 --- a/testsuite/ltrace.main/Makefile +++ b/testsuite/ltrace.main/Makefile.am @@ -1,4 +1,4 @@ -# Copyright (C) 1992 - 2001 Free Software Foundation, Inc. +# Copyright (C) 1992 - 2001, 2012 Free Software Foundation, Inc. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by @@ -15,19 +15,31 @@ # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. # -CLEANFILES = *.log *.sum site.bak setval.tmp site.exp +EXTRA_DIST = \ + branch_func.c \ + branch_func.exp \ + filters.exp \ + hello-vfork.c \ + hello-vfork.exp \ + main.c \ + main.exp \ + main-internal.exp \ + main-lib.c \ + main-threaded.c \ + main-threaded.exp \ + main-vfork.c \ + main-vfork.exp \ + parameters.c \ + parameters.conf \ + parameters.exp \ + parameters-lib.c \ + parameters2.exp \ + signals.c \ + signals.exp \ + system_calls.c \ + system_calls.exp -.SUFFIXES: -clean: - -rm -f main main-internal system_calls signals parameters - -rm -f *.o *.so - -rm -f *.ltrace - -rm -f $(CLEANFILES) -distclean: clean +CLEANFILES = *.o *.so *.log *.sum *.ltrace setval.tmp \ + main main-internal parameters signals system_calls - -.PHONY: $(RECURSIVE_TARGETS) check clean distclean realclean - -# Tell versions [3.59,3.63) of GNU make to not export all variables. -# Otherwise a system limit (for SysV at least) may be exceeded. -.NOEXPORT: +MAINTAINERCLEANFILES = Makefile.in diff --git a/testsuite/ltrace.main/Makefile.in b/testsuite/ltrace.main/Makefile.in new file mode 100644 index 0000000..6a490c8 --- /dev/null +++ b/testsuite/ltrace.main/Makefile.in @@ -0,0 +1,414 @@ +# Makefile.in generated by automake 1.11.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, +# Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# Copyright (C) 1992 - 2001, 2012 Free Software Foundation, Inc. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 1, or (at your option) +# any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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install-data install-data-am install-dvi install-dvi-am \ + install-exec install-exec-am install-html install-html-am \ + install-info install-info-am install-man install-pdf \ + install-pdf-am install-ps install-ps-am install-strip \ + installcheck installcheck-am installdirs maintainer-clean \ + maintainer-clean-generic mostlyclean mostlyclean-generic \ + mostlyclean-libtool pdf pdf-am ps ps-am uninstall uninstall-am + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/testsuite/ltrace.main/branch_func.c b/testsuite/ltrace.main/branch_func.c new file mode 100644 index 0000000..0ce311d --- /dev/null +++ b/testsuite/ltrace.main/branch_func.c @@ -0,0 +1,51 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2012 Petr Machata, Red Hat Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +/* This is specially made to produce tail calls. We then trace them + * and see if ltrace handles it well, or whether its internal stack + * overflows. */ + +__attribute__((noinline, optimize(3))) int +func3(int i) +{ + return i + 1; +} + +__attribute__((noinline, optimize(3))) int +func2(int i) +{ + return func3(i * 3); +} + +__attribute__((noinline, optimize(3))) int +func1(int i) +{ + return func2(i + 2); +} + +__attribute__((optimize(0))) int +main(int argc, char **argv) +{ + int counter = 0; + int i; + for (i = 0; i < 100; ++i) + counter += func1(i); + return counter; +} diff --git a/testsuite/ltrace.main/branch_func.exp b/testsuite/ltrace.main/branch_func.exp new file mode 100644 index 0000000..fec5700 --- /dev/null +++ b/testsuite/ltrace.main/branch_func.exp @@ -0,0 +1,57 @@ +# This file is part of ltrace. +# Copyright (C) 2012 Petr Machata, Red Hat Inc. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA + +set testfile "branch_func" +set srcfile ${testfile}.c +set binfile ${testfile} + +if [get_compiler_info $binfile] { + return -1 +} + +verbose "compiling source file now....." +if { [ltrace_compile $srcdir/$subdir/$srcfile $objdir/$subdir/$binfile executable {debug} ] != "" } { + send_user "Testcase compile failed, so all tests in this file will automatically fail\n." +} + +# set options for ltrace. +ltrace_options "-x" "func1" "-x" "func2" "-x" "func3" + +# Run PUT for ltarce. +set exec_output [ltrace_runtest $objdir/$subdir $objdir/$subdir/$binfile] + +# Check the output of this program. +verbose "ltrace runtest output: $exec_output\n" +if [regexp {ELF from incompatible architecture} $exec_output] { + fail "32-bit ltrace can not perform on 64-bit PUTs and rebuild ltrace in 64 bit mode!" + return +} elseif [ regexp {Couldn't get .hash data} $exec_output ] { + fail "Couldn't get .hash data!" + return +} + +set pattern "func1(.*unfinished" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 100 +set pattern "func2(.*unfinished" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 100 +set pattern "func3(.*)" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 100 +set pattern "func2.resumed" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 100 +set pattern "func1.resumed" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 100 diff --git a/testsuite/ltrace.main/filters.exp b/testsuite/ltrace.main/filters.exp new file mode 100644 index 0000000..988346f --- /dev/null +++ b/testsuite/ltrace.main/filters.exp @@ -0,0 +1,85 @@ +# This file is part of ltrace. +# Copyright (C) 2012 Petr Machata, Red Hat Inc. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA + +set libfilt1 [ltraceCompile libfilt1.so [ltraceSource c { + void func2(void); + void func1(void) { func2(); } +}]] + +set libfilt2 [ltraceCompile libfilt2.so [ltraceSource c { + void func2(void) { puts("func2"); } +}]] + +foreach ext {{} .pie} { + set filt [ltraceCompile filt$ext $libfilt1 $libfilt2 [ltraceSource c { + void func1(void); + int main(int argc, char *argv[]) { func1(); return 0; } + }]] + + ltraceMatch [ltraceRun -e* $filt] { + {{filt(\.pie)?->func1} == 1} + {{libfilt1.so->func2} == 1} + {{libfilt2.so->puts} == 1} + {{func2 resumed} == 1} + {{func1 resumed} == 1} + } + + ltraceMatch1 [ltraceRun $filt] \ + {^func1\(.*\)} == 1 + + ltraceMatch1 [ltraceRun -e@MAIN $filt] \ + {filt(\.pie)?->func1\(.*\)} == 1 + + ltraceMatch1 [ltraceRun -e@libfilt1.so $filt] \ + {libfilt1.so->func2\(.*\)} == 1 + + ltraceMatch1 [ltraceRun -e@libfilt2.so $filt] \ + {libfilt2.so->puts\(.*\)} == 1 + + ltraceMatch [ltraceRun -e@libfilt* $filt] { + {{libfilt1.so->func2\(} == 1} + {{libfilt2.so->puts\(.*\)} == 1} + {{func2 resumed} == 1} + } + + ltraceMatch [ltraceRun -efunc* $filt] { + {{filt(\.pie)?->func1\(} == 1} + {{libfilt1.so->func2\(.*\)} == 1} + {{func1 resumed} == 1} + } + + # Check that we handle breakpoint on both PLT entry and entry point + ltraceMatch [ltraceRun -efunc1 -xfunc1 $filt] { + {{filt(\.pie)?->func1\(} == 1} + {{func1@libfilt1.so\(.*\)} == 1} + {{func1 resumed} == 1} + } + + # Check that when given -l, we don't trace symbols from other + # libraries. + ltraceMatch1 [ltraceRun -llibfilt1.so -- $filt] \ + {filt(\.pie)?->func1\(.*\)} == 1 + + ltraceMatch [ltraceRun -llibfilt1.so -llibfilt2.so $filt] { + {{filt(\.pie)?->func1\(} == 1} + {{libfilt1.so->func2\(.*\)} == 1} + {{func1 resumed} == 1} + } +} + +ltraceDone diff --git a/testsuite/ltrace.main/hello-vfork.c b/testsuite/ltrace.main/hello-vfork.c new file mode 100644 index 0000000..81e426f --- /dev/null +++ b/testsuite/ltrace.main/hello-vfork.c @@ -0,0 +1,11 @@ +/* Copyright (C) 2008, Red Hat, Inc. + * Written by Denys Vlasenko */ +#include +#include + +int main() { + int r = vfork(); + fprintf(stdout, "vfork():%d\n", r); + _exit(0); +} + diff --git a/testsuite/ltrace.main/hello-vfork.exp b/testsuite/ltrace.main/hello-vfork.exp new file mode 100644 index 0000000..12c9ca3 --- /dev/null +++ b/testsuite/ltrace.main/hello-vfork.exp @@ -0,0 +1,35 @@ +# This file was written by Yao Qi . + +set testfile "hello-vfork" +set srcfile ${testfile}.c +set binfile ${testfile} + + +if [get_compiler_info $binfile] { + return -1 +} + +verbose "compiling source file now....." +if { [ltrace_compile $srcdir/$subdir/$srcfile $objdir/$subdir/$binfile executable debug ] != ""} { + send_user "Testcase compile failed, so all tests in this file will automatically fail.\n" +} + +# set options for ltrace. +ltrace_options "-f" + +# Run PUT for ltarce. +set exec_output [ltrace_runtest $objdir/$subdir $objdir/$subdir/$binfile] + +# Check the output of this program. +verbose "ltrace runtest output: $exec_output\n" +if [regexp {ELF from incompatible architecture} $exec_output] { + fail "32-bit ltrace can not perform on 64-bit PUTs and rebuild ltrace in 64 bit mode!" + return +} elseif [ regexp {Couldn't get .hash data} $exec_output ] { + fail "Couldn't get .hash data!" + return +} + +# Verify the output by checking numbers of print in main-vfork.ltrace. +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace "_exit" 2 +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace "vfork resumed" 2 diff --git a/testsuite/ltrace.main/main-internal-1.c b/testsuite/ltrace.main/main-internal-1.c deleted file mode 100644 index 2a5cd0c..0000000 --- a/testsuite/ltrace.main/main-internal-1.c +++ /dev/null @@ -1,8 +0,0 @@ -#include - -void -display ( char* s ) -{ - printf("%s\n",s); -} - diff --git a/testsuite/ltrace.main/main-internal.c b/testsuite/ltrace.main/main-internal.c deleted file mode 100644 index 7508d06..0000000 --- a/testsuite/ltrace.main/main-internal.c +++ /dev/null @@ -1,19 +0,0 @@ - /* Ltrace Test : main-internal.c. - Objectives : Verify that ltrace can trace call from main - executable within it. - This file was written by Yao Qi . */ -#include - -extern void display ( char* ); - -#define DISPLAY_LOOP 12 - -int -main () -{ - int i; - printf ("should not show up if '-X display' is used.\n"); - for (i=0; i< DISPLAY_LOOP; i++) - display ("Function call within executable."); -} - diff --git a/testsuite/ltrace.main/main-internal.exp b/testsuite/ltrace.main/main-internal.exp index f3f0015..0ca5e14 100644 --- a/testsuite/ltrace.main/main-internal.exp +++ b/testsuite/ltrace.main/main-internal.exp @@ -1,33 +1,35 @@ -# This file was written by Yao Qi . +# This file is part of ltrace. +# Copyright (C) 2012 Petr Machata, Red Hat Inc. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA -set testfile "main-internal" -set srcfile ${testfile}.c -set binfile ${testfile} +set bin [ltraceCompile {} [ltraceSource c { + __attribute__((noinline)) void this(void) {} + __attribute__((noinline)) void that(void) {} + int main(int i) { + for (i = 0; i < 12; ++i) { + this(); + that(); + } + } +}]] -verbose "compiling source file now....." -# Build the shared libraries this test case needs. -if { [ ltrace_compile "${srcdir}/${subdir}/${testfile}.c ${srcdir}/${subdir}/${testfile}-1.c" "${srcdir}/${subdir}/${binfile}" executable {debug} ] != "" } { - send_user "Testcase compile failed, so all tests in this file will automatically fail.\n" +ltraceMatch [ltraceRun -L -xthis -- $bin] { + {{this\(.*\)} == 12} + {that == 0} } -# set options for ltrace. -ltrace_options "-x" "display" - -# Run PUT for ltarce. -set exec_output [ltrace_runtest $srcdir/$subdir $srcdir/$subdir/$binfile] - -# Check the output of this program. -verbose "ltrace runtest output: $exec_output\n" -if [regexp {ELF from incompatible architecture} $exec_output] { - fail "32-bit ltrace can not perform on 64-bit PUTs and rebuild ltrace in 64 bit mode!" - return -} elseif [ regexp {Couldn't do static plt2addr} $exec_output ] { - fail "Couldn't do static plt2addr!" - return -} elseif [regexp {Couldn't get .hash data from} $exec_output ] { - fail "Couldn't get .hash data!" - return -} - -set pattern "display" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern 12 +ltraceDone diff --git a/testsuite/ltrace.main/main-threaded.c b/testsuite/ltrace.main/main-threaded.c new file mode 100644 index 0000000..a183966 --- /dev/null +++ b/testsuite/ltrace.main/main-threaded.c @@ -0,0 +1,29 @@ +#include + +extern void print (char *); + +#define PRINT_LOOP 10 + +void * +th_main (void *arg) +{ + int i; + for (i=0; i. + +set testfile "main-threaded" +set srcfile ${testfile}.c +set binfile ${testfile} +set libfile "main-lib" +set libsrc $srcdir/$subdir/$libfile.c +set lib_sl $objdir/$subdir/lib$testfile.so + + +if [get_compiler_info $binfile] { + return -1 +} + +verbose "compiling source file now....." +if { [ltrace_compile_shlib $libsrc $lib_sl debug ] != "" + || [ltrace_compile $srcdir/$subdir/$srcfile $objdir/$subdir/$binfile executable [list debug shlib=$lib_sl ldflags=-pthread] ] != ""} { + send_user "Testcase compile failed, so all tests in this file will automatically fail.\n" +} + +# set options for ltrace. +ltrace_options "-l" "lib$testfile.so" "-f" + +# Run PUT for ltarce. +set exec_output [ltrace_runtest $objdir/$subdir $objdir/$subdir/$binfile] + +# Check the output of this program. +verbose "ltrace runtest output: $exec_output\n" +if [regexp {ELF from incompatible architecture} $exec_output] { + fail "32-bit ltrace can not perform on 64-bit PUTs and rebuild ltrace in 64 bit mode!" + return +} elseif [ regexp {Couldn't get .hash data} $exec_output ] { + fail "Couldn't get .hash data!" + return +} + +# Verify the output by checking numbers of print in main-threaded.ltrace. +set pattern "print" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 30 diff --git a/testsuite/ltrace.main/main-vfork.c b/testsuite/ltrace.main/main-vfork.c new file mode 100644 index 0000000..a5f6c40 --- /dev/null +++ b/testsuite/ltrace.main/main-vfork.c @@ -0,0 +1,28 @@ +#include + +extern void print (char *); + +#define PRINT_LOOP 10 + +void +th_main (char * arg) +{ + int i; + for (i=0; i. + +set testfile "main-vfork" +set srcfile ${testfile}.c +set binfile ${testfile} +set libfile "main-lib" +set libsrc $srcdir/$subdir/$libfile.c +set lib_sl $objdir/$subdir/lib$testfile.so + + +if [get_compiler_info $binfile] { + return -1 +} + +verbose "compiling source file now....." +if { [ltrace_compile_shlib $libsrc $lib_sl debug ] != "" + || [ltrace_compile $srcdir/$subdir/$srcfile $objdir/$subdir/$binfile executable [list debug shlib=$lib_sl] ] != ""} { + send_user "Testcase compile failed, so all tests in this file will automatically fail.\n" +} + +# set options for ltrace. +ltrace_options "-l" "lib$testfile.so" "-f" "-evfork" + +# Run PUT for ltarce. +set exec_output [ltrace_runtest $objdir/$subdir $objdir/$subdir/$binfile] + +# Check the output of this program. +verbose "ltrace runtest output: $exec_output\n" +if [regexp {ELF from incompatible architecture} $exec_output] { + fail "32-bit ltrace can not perform on 64-bit PUTs and rebuild ltrace in 64 bit mode!" + return +} elseif [ regexp {Couldn't get .hash data} $exec_output ] { + fail "Couldn't get .hash data!" + return +} + +# Verify the output by checking numbers of print in main-vfork.ltrace. +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace "print" 20 +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace "vfork resumed" 2 diff --git a/testsuite/ltrace.main/main.exp b/testsuite/ltrace.main/main.exp index ca66deb..50c5353 100644 --- a/testsuite/ltrace.main/main.exp +++ b/testsuite/ltrace.main/main.exp @@ -5,7 +5,7 @@ set srcfile ${testfile}.c set binfile ${testfile} set libfile "main-lib" set libsrc $srcdir/$subdir/$libfile.c -set lib_sl $srcdir/$subdir/lib$testfile.so +set lib_sl $objdir/$subdir/lib$testfile.so if [get_compiler_info $binfile] { @@ -14,15 +14,15 @@ if [get_compiler_info $binfile] { verbose "compiling source file now....." if { [ltrace_compile_shlib $libsrc $lib_sl debug ] != "" - || [ltrace_compile $srcdir/$subdir/$srcfile $srcdir/$subdir/$binfile executable [list debug shlib=$lib_sl] ] != ""} { + || [ltrace_compile $srcdir/$subdir/$srcfile $objdir/$subdir/$binfile executable [list debug shlib=$lib_sl] ] != ""} { send_user "Testcase compile failed, so all tests in this file will automatically fail.\n" } # set options for ltrace. -ltrace_options "-l" "$srcdir/$subdir/libmain.so" +ltrace_options "-l" "libmain.so" # Run PUT for ltarce. -set exec_output [ltrace_runtest $srcdir/$subdir $srcdir/$subdir/$binfile] +set exec_output [ltrace_runtest $objdir/$subdir $objdir/$subdir/$binfile] # Check the output of this program. verbose "ltrace runtest output: $exec_output\n" @@ -36,4 +36,4 @@ if [regexp {ELF from incompatible architecture} $exec_output] { # Verify the output by checking numbers of print in main.ltrace. set pattern "print" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern 10 +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 10 diff --git a/testsuite/ltrace.main/parameters-lib.c b/testsuite/ltrace.main/parameters-lib.c index 26e4c3b..bf8cdfe 100644 --- a/testsuite/ltrace.main/parameters-lib.c +++ b/testsuite/ltrace.main/parameters-lib.c @@ -22,11 +22,22 @@ int func_strlen(char* p) return strlen(p); } +int func_arg0(char *p) +{ + strcpy(p, "Hello another world!"); + return strlen(p); +} + void func_strfixed(char* p) { strcpy(p, "Hello world"); } +void func_string(char* p) +{ + printf("%s\n", p); +} + void func_ppp(int*** ppp) { printf("%d\n", ***ppp); @@ -52,9 +63,16 @@ void func_ushort(unsigned short x1, unsigned short x2) printf("ushort: %hu %hu\n", x1, x2); } -void func_float(float f1, float f2) +float func_float(float f1, float f2) +{ + printf("%f %f\n", f1, f2); + return f1; +} + +double func_double(double f1, double f2) { printf("%f %f\n", f1, f2); + return f2; } void func_typedef(int x) @@ -115,3 +133,351 @@ void func_struct(struct test_struct* x) buf[x->slen] = '\0'; printf("%s\n", buf); } + +void func_work (char *x) +{ + *x = 'x'; +} + +void func_call (char *x, char* y, void (*cb) (char *)) +{ + cb (y); + *x = (*y)++; +} + +struct S2 { + float f; + char a; + char b; +}; + +struct S3 { + char a[6]; + float f; +}; + +struct S2 +func_struct_2(int i, struct S3 s3, double d) +{ + return (struct S2){ s3.f, s3.a[1], s3.a[2] }; +} + +struct S4 { + long a; + long b; + long c; + long d; +}; + +struct S4 +func_struct_large(struct S4 a, struct S4 b) +{ + return (struct S4){ a.a + b.a, a.b + b.b, a.c + b.c, a.d + b.d }; +} + +struct S5 { + char a; + char b; + long c; + long d; +}; + +struct S5 +func_struct_large2(struct S5 a, struct S5 b) +{ + return (struct S5){ a.a + b.a, a.b + b.b, a.c + b.c, a.d + b.d }; +} + +struct S6 { + long a; + long b; + char c; + char d; +}; + +struct S6 +func_struct_large3(struct S6 a, struct S6 b) +{ + return (struct S6){ a.a + b.a, a.b + b.b, a.c + b.c, a.d + b.d }; +} + +void +func_many_args(int a, int b, long c, double d, char e, int f, float g, char h, + int i, double j, int k, double l, char m, int n, short o, int p, + char q, float r, float s, double t, long u, float v, float w, + float x, float y) +{ +} + +void +func_lens(int a, long b, short c, long d) +{ +} + +int +func_bool(int a, int b) +{ + return !b; +} + +void +func_hide(int a, int b, int c, int d, int e, int f) +{ +} + +struct func_hide_struct { + int a; int b; int c; int d; int e; int f; int g; int h; +}; + +void +func_hide_struct(struct func_hide_struct s) +{ +} + +long * +func_short_enums(short values[]) +{ + static long retvals[4]; + retvals[0] = values[0]; + retvals[1] = values[1]; + retvals[2] = values[2]; + retvals[3] = values[3]; + return retvals; +} + +long +func_negative_enum(short a, unsigned short b, int c, unsigned d, + long e, unsigned long f) +{ + return -1; +} + +void +func_charp_string(char *p) +{ +} + +struct dbl_eqv1 { double d; }; +struct dbl_eqv2 { struct dbl_eqv1 d; }; +struct dbl_eqv3 { struct dbl_eqv2 d; }; +struct dbl_eqv4 { struct dbl_eqv3 d; }; + +struct flt_eqv1 { float d; }; +struct flt_eqv2 { struct flt_eqv1 d; }; +struct flt_eqv3 { struct flt_eqv2 d; }; +struct flt_eqv4 { struct flt_eqv3 d; }; + +struct dbl_eqv1 +func_dbl_eqv(struct dbl_eqv1 a, struct dbl_eqv2 b, + struct dbl_eqv3 c, struct dbl_eqv4 d) +{ + return (struct dbl_eqv1){ a.d + b.d.d + c.d.d.d + d.d.d.d.d }; +} + +struct flt_eqv1 +func_flt_eqv(struct flt_eqv1 a, struct flt_eqv2 b, + struct flt_eqv3 c, struct flt_eqv4 d) +{ + return (struct flt_eqv1){ a.d + b.d.d + c.d.d.d + d.d.d.d.d }; +} + +struct struct_empty {}; +struct struct_size1 { char a; }; +struct struct_size2 { short a; }; +struct struct_size4 { int a; }; +struct struct_size8 { int a; int b; }; + +struct struct_empty +func_struct_empty(struct struct_empty e) +{ + return e; +} + +struct struct_size1 +func_struct_size1(struct struct_size1 e) +{ + return e; +} + +struct struct_size2 +func_struct_size2(struct struct_size2 e) +{ + return e; +} + +struct struct_size4 +func_struct_size4(struct struct_size4 e) +{ + return e; +} + +struct struct_size8 +func_struct_size8(struct struct_size8 e) +{ + return e; +} + +struct struct_hfa_f2 { float a; struct flt_eqv1 b; }; +struct struct_hfa_f2 +func_hfa_f2(struct struct_hfa_f2 e) +{ + return e; +} + +struct struct_hfa_f3 { float a; struct struct_hfa_f2 b; }; +struct struct_hfa_f3 +func_hfa_f3(struct struct_hfa_f3 e) +{ + return e; +} + +struct struct_hfa_f4 { float a; struct struct_hfa_f3 b; }; +struct struct_hfa_f4 +func_hfa_f4(struct struct_hfa_f4 e) +{ + return e; +} + +struct struct_hfa_f5 { float a; struct struct_hfa_f4 b; }; +struct struct_hfa_f5 +func_hfa_f5(struct struct_hfa_f5 e) +{ + return e; +} + +struct struct_hfa_f6 { float a; struct struct_hfa_f5 b; }; +struct struct_hfa_f6 +func_hfa_f6(struct struct_hfa_f6 e) +{ + return e; +} + +struct struct_hfa_f7 { float a; struct struct_hfa_f6 b; }; +struct struct_hfa_f7 +func_hfa_f7(struct struct_hfa_f7 e) +{ + return e; +} + +struct struct_hfa_f8 { float a; struct struct_hfa_f7 b; }; +struct struct_hfa_f8 +func_hfa_f8(struct struct_hfa_f8 e) +{ + return e; +} + +struct struct_hfa_f9 { float a; struct struct_hfa_f8 b; }; +struct struct_hfa_f9 +func_hfa_f9(struct struct_hfa_f9 e) +{ + return e; +} + +struct struct_hfa_f10 { float a; struct struct_hfa_f9 b; }; +struct struct_hfa_f10 +func_hfa_f10(struct struct_hfa_f10 e) +{ + return e; +} + +struct struct_hfa_f11 { float a; struct struct_hfa_f10 b; }; +struct struct_hfa_f11 +func_hfa_f11(struct struct_hfa_f11 e) +{ + return e; +} + +struct struct_hfa_f12 { float a; struct struct_hfa_f11 b; }; +struct struct_hfa_f12 +func_hfa_f12(struct struct_hfa_f12 e) +{ + return e; +} + + +struct struct_hfa_d2 { double a; struct dbl_eqv1 b; }; +struct struct_hfa_d2 +func_hfa_d2(struct struct_hfa_d2 e) +{ + return e; +} + +struct struct_hfa_d3 { double a; struct struct_hfa_d2 b; }; +struct struct_hfa_d3 +func_hfa_d3(struct struct_hfa_d3 e) +{ + return e; +} + +struct struct_hfa_d4 { double a; struct struct_hfa_d3 b; }; +struct struct_hfa_d4 +func_hfa_d4(struct struct_hfa_d4 e) +{ + return e; +} + +struct struct_hfa_d5 { double a; struct struct_hfa_d4 b; }; +struct struct_hfa_d5 +func_hfa_d5(struct struct_hfa_d5 e) +{ + return e; +} + +struct struct_hfa_d6 { double a; struct struct_hfa_d5 b; }; +struct struct_hfa_d6 +func_hfa_d6(struct struct_hfa_d6 e) +{ + return e; +} + +struct struct_hfa_d7 { double a; struct struct_hfa_d6 b; }; +struct struct_hfa_d7 +func_hfa_d7(struct struct_hfa_d7 e) +{ + return e; +} + +struct struct_hfa_d8 { double a; struct struct_hfa_d7 b; }; +struct struct_hfa_d8 +func_hfa_d8(struct struct_hfa_d8 e) +{ + return e; +} + +struct struct_hfa_d9 { double a; struct struct_hfa_d8 b; }; +struct struct_hfa_d9 +func_hfa_d9(struct struct_hfa_d9 e) +{ + return e; +} + +struct struct_hfa_d10 { double a; struct struct_hfa_d9 b; }; +struct struct_hfa_d10 +func_hfa_d10(struct struct_hfa_d10 e) +{ + return e; +} + +struct struct_hfa_d11 { double a; struct struct_hfa_d10 b; }; +struct struct_hfa_d11 +func_hfa_d11(struct struct_hfa_d11 e) +{ + return e; +} + +struct struct_hfa_d12 { double a; struct struct_hfa_d11 b; }; +struct struct_hfa_d12 +func_hfa_d12(struct struct_hfa_d12 e) +{ + return e; +} + +void +func_printf(char *format, ...) +{ +} + +void +func_sprintf(char *str, char *format, ...) +{ +} diff --git a/testsuite/ltrace.main/parameters.c b/testsuite/ltrace.main/parameters.c index dd63612..ff24a38 100644 --- a/testsuite/ltrace.main/parameters.c +++ b/testsuite/ltrace.main/parameters.c @@ -20,7 +20,8 @@ void func_ppp(int***); void func_stringp(char**); void func_short(short, short); void func_ushort(unsigned short, unsigned short); -void func_float(float, float); +float func_float(float, float); +double func_double(double, double); void func_arrayi(int*, int); void func_arrayf(float*, int); void func_struct(void*); @@ -35,7 +36,16 @@ typedef enum { void func_enum(color_t); void func_typedef(color_t); -int +void func_work(char *x); +void func_call(char *x, char *y, void (*cb)(char *)); + +void +call_func_work (char *x) +{ + func_work(x); +} + +int main () { int x = 17; @@ -49,7 +59,12 @@ main () func_intptr_ret(&x); + func_string("zero\0xxxxxxxxxxxxxx"); func_strlen(buf); + + extern int func_arg0(char *); + func_arg0(buf); + printf("%s\n", buf); func_strfixed(buf); @@ -68,7 +83,8 @@ main () func_short(-8, -9); func_ushort(33, 34); - func_float(3.4, -3.4); + float f = func_float(3.4, -3.4); + double d = func_double(3.4, -3.4); func_typedef(BLUE); @@ -116,5 +132,240 @@ main () func_struct(&x); } + { + char x[10] = {}; + char y[10] = {}; + func_call(x, y, call_func_work); + } + + struct S2 { + float f; + char a; + char b; + }; + struct S3 { + char a[6]; + float f; + }; + struct S2 func_struct_2(int, struct S3 s3, double d); + func_struct_2(17, (struct S3){ "ABCDE", 0.25 }, 0.5); + + struct S4 { + long a; + long b; + long c; + long d; + }; + struct S4 func_struct_large(struct S4 a, struct S4 b); + func_struct_large((struct S4){ 1, 2, 3, 4 }, (struct S4){ 5, 6, 7, 8 }); + + struct S5 { + char a; + char b; + long c; + long d; + }; + struct S5 func_struct_large2(struct S5 a, struct S5 b); + func_struct_large2((struct S5){ '0', '1', 3, 4 }, (struct S5){ '2', '3', 7, 8 }); + + struct S6 { + long a; + long b; + char c; + char d; + }; + struct S6 func_struct_large3(struct S6 a, struct S6 b); + func_struct_large3((struct S6){ 3, 4, '0', '1' }, (struct S6){ 7, 8 ,'2', '3' }); + + void func_many_args(int a, int b, long c, double d, char e, int f, float g, + char h, int i, double j, int k, double l, char m, int n, + short o, int p, char q, float r, float s, double t, + long u, float v, float w, float x, float y); + func_many_args(1, 2, 3, 4.0, '5', 6, 7.0, + '8', 9, 10.0, 11, 12.0, 'A', 14, + 15, 16, 'B', 18.0, 19.0, 20.0, + 21, 22.0, 23.0, 24.0, 25.0); + + void func_printf(char *format, ...); + func_printf("sotnuh %d %ld %g %c\n", 5, 6L, 1.5, 'X'); + func_printf("sotnuh1 %d %ld %hd\n", 5, 6L, (short)7); + func_printf("sotnuh2 %s %10s %10s\n", "a string", "a trimmed string", "short"); + func_printf("many_args" + "%d %d %ld %g %c %d %g " + "%c %d %g %d %g %c %d " + "%hd %d %c %g %g %g " + "%ld %g %g %g %g", + 1, 2, 3L, 4.0, '5', 6, 7.0, + '8', 9, 10.0, 11, 12.0, 'A', 14, + (short)15, 16, 'B', 18.0, 19.0, 20.0, + 21L, 22.0, 23.0, 24.0, 25.0); + + func_printf("sotnuh3 %*s\n", 4, "a trimmed string"); + + void func_sprintf(char *str, char *format, ...); + func_sprintf(NULL, "test %d %d %d %d\n", 1, 2, 3, 4); + + void func_lens(int, long, short, long); + func_lens(22, 23, 24, 25); + + int func_bool(int a, int b); + func_bool(1, 10); + func_bool(2, 0); + + void func_hide(int a, int b, int c, int d, int e, int f, int g, int h); + func_hide(1, 2, 3, 4, 5, 6, 7, 8); + + struct func_hide_struct { + int a; int b; int c; int d; int e; int f; int g; int h; + }; + void func_hide_struct(struct func_hide_struct hs); + func_hide_struct((struct func_hide_struct){1, 2, 3, 4, 5, 6, 7, 8}); + + enum ab { A, B }; + long *func_short_enums(short abs[]); + func_short_enums((short[]){ A, B, A, A }); + + long func_negative_enum(short a, unsigned short b, int c, unsigned d, + long e, unsigned long f); + func_negative_enum(-1, -1, -1, -1, -1, -1); + + void func_charp_string(char *p); + func_charp_string("null-terminated string"); + + struct dbl_eqv1 { double d; }; + struct dbl_eqv2 { struct dbl_eqv1 d; }; + struct dbl_eqv3 { struct dbl_eqv2 d; }; + struct dbl_eqv4 { struct dbl_eqv3 d; }; + + struct flt_eqv1 { float d; }; + struct flt_eqv2 { struct flt_eqv1 d; }; + struct flt_eqv3 { struct flt_eqv2 d; }; + struct flt_eqv4 { struct flt_eqv3 d; }; + + struct dbl_eqv1 func_dbl_eqv(struct dbl_eqv1 a, struct dbl_eqv2 b, + struct dbl_eqv3 c, struct dbl_eqv4 d); + func_dbl_eqv((struct dbl_eqv1){ 2.5 }, + (struct dbl_eqv2){ { 1.5 } }, + (struct dbl_eqv3){ { { 0.5 } } }, + (struct dbl_eqv4){ { { { -0.5 } } } }); + + struct flt_eqv1 func_flt_eqv(struct flt_eqv1 a, struct flt_eqv2 b, + struct flt_eqv3 c, struct flt_eqv4 d); + func_flt_eqv((struct flt_eqv1){ 2.5 }, + (struct flt_eqv2){ { 1.5 } }, + (struct flt_eqv3){ { { 0.5 } } }, + (struct flt_eqv4){ { { { -0.5 } } } }); + + struct struct_empty {}; + struct struct_empty func_struct_empty(struct struct_empty e); + func_struct_empty((struct struct_empty) {}); + + struct struct_size1 { char a; }; + struct struct_size1 func_struct_size1(struct struct_size1 e); + func_struct_size1((struct struct_size1){ '5' }); + + struct struct_size2 { short a; }; + struct struct_size2 func_struct_size2(struct struct_size2 e); + func_struct_size2((struct struct_size2){ 5 }); + + struct struct_size4 { int a; }; + struct struct_size4 func_struct_size4(struct struct_size4 e); + func_struct_size4((struct struct_size4){ 5 }); + + struct struct_size8 { int a; int b; }; + struct struct_size8 func_struct_size8(struct struct_size8 e); + func_struct_size8((struct struct_size8){ 5, 6 }); + + /* Test Itanium Homogeneous Floating-point Aggregates. */ + + struct struct_hfa_f2 { float a; struct flt_eqv1 b; }; + struct struct_hfa_f2 func_hfa_f2(struct struct_hfa_f2 e); + func_hfa_f2((struct struct_hfa_f2){ 1, { 2 } }); + + struct struct_hfa_f3 { float a; struct struct_hfa_f2 b; }; + struct struct_hfa_f3 func_hfa_f3(struct struct_hfa_f3 e); + func_hfa_f3((struct struct_hfa_f3){ 3, { 1, { 2 } } }); + + struct struct_hfa_f4 { float a; struct struct_hfa_f3 b; }; + struct struct_hfa_f4 func_hfa_f4(struct struct_hfa_f4 e); + func_hfa_f4((struct struct_hfa_f4){ 4, { 3, { 1, { 2 } } } }); + + struct struct_hfa_f5 { float a; struct struct_hfa_f4 b; }; + struct struct_hfa_f5 func_hfa_f5(struct struct_hfa_f5 e); + func_hfa_f5((struct struct_hfa_f5){ 5, { 4, { 3, { 1, { 2 } } } } }); + + struct struct_hfa_f6 { float a; struct struct_hfa_f5 b; }; + struct struct_hfa_f6 func_hfa_f6(struct struct_hfa_f6 e); + func_hfa_f6((struct struct_hfa_f6){ 6, { 5, { 4, { 3, { 1, { 2 } } } } } }); + + struct struct_hfa_f7 { float a; struct struct_hfa_f6 b; }; + struct struct_hfa_f7 func_hfa_f7(struct struct_hfa_f7 e); + func_hfa_f7((struct struct_hfa_f7){ 7, { 6, { 5, { 4, { 3, { 1, { 2 } } } } } } }); + + struct struct_hfa_f8 { float a; struct struct_hfa_f7 b; }; + struct struct_hfa_f8 func_hfa_f8(struct struct_hfa_f8 e); + func_hfa_f8((struct struct_hfa_f8){ 8, { 7, { 6, { 5, { 4, { 3, { 1, { 2 } } } } } } } }); + + struct struct_hfa_f9 { float a; struct struct_hfa_f8 b; }; + struct struct_hfa_f9 func_hfa_f9(struct struct_hfa_f9 e); + func_hfa_f9((struct struct_hfa_f9){ 9, { 8, { 7, { 6, { 5, { 4, { 3, { 1, { 2 } } } } } } } } }); + + struct struct_hfa_f10 { float a; struct struct_hfa_f9 b; }; + struct struct_hfa_f10 func_hfa_f10(struct struct_hfa_f10 e); + func_hfa_f10((struct struct_hfa_f10){ 10, { 9, { 8, { 7, { 6, { 5, { 4, { 3, { 1, { 2 } } } } } } } } } }); + + struct struct_hfa_f11 { float a; struct struct_hfa_f10 b; }; + struct struct_hfa_f11 func_hfa_f11(struct struct_hfa_f11 e); + func_hfa_f11((struct struct_hfa_f11){ 11, { 10, { 9, { 8, { 7, { 6, { 5, { 4, { 3, { 1, { 2 } } } } } } } } } } }); + + struct struct_hfa_f12 { float a; struct struct_hfa_f11 b; }; + struct struct_hfa_f12 func_hfa_f12(struct struct_hfa_f12 e); + func_hfa_f12((struct struct_hfa_f12){ 12, { 11, { 10, { 9, { 8, { 7, { 6, { 5, { 4, { 3, { 1, { 2 } } } } } } } } } } } }); + + + struct struct_hfa_d2 { double a; struct dbl_eqv1 b; }; + struct struct_hfa_d2 func_hfa_d2(struct struct_hfa_d2 e); + func_hfa_d2((struct struct_hfa_d2){ 1, { 2 } }); + + struct struct_hfa_d3 { double a; struct struct_hfa_d2 b; }; + struct struct_hfa_d3 func_hfa_d3(struct struct_hfa_d3 e); + func_hfa_d3((struct struct_hfa_d3){ 3, { 1, { 2 } } }); + + struct struct_hfa_d4 { double a; struct struct_hfa_d3 b; }; + struct struct_hfa_d4 func_hfa_d4(struct struct_hfa_d4 e); + func_hfa_d4((struct struct_hfa_d4){ 4, { 3, { 1, { 2 } } } }); + + struct struct_hfa_d5 { double a; struct struct_hfa_d4 b; }; + struct struct_hfa_d5 func_hfa_d5(struct struct_hfa_d5 e); + func_hfa_d5((struct struct_hfa_d5){ 5, { 4, { 3, { 1, { 2 } } } } }); + + struct struct_hfa_d6 { double a; struct struct_hfa_d5 b; }; + struct struct_hfa_d6 func_hfa_d6(struct struct_hfa_d6 e); + func_hfa_d6((struct struct_hfa_d6){ 6, { 5, { 4, { 3, { 1, { 2 } } } } } }); + + struct struct_hfa_d7 { double a; struct struct_hfa_d6 b; }; + struct struct_hfa_d7 func_hfa_d7(struct struct_hfa_d7 e); + func_hfa_d7((struct struct_hfa_d7){ 7, { 6, { 5, { 4, { 3, { 1, { 2 } } } } } } }); + + struct struct_hfa_d8 { double a; struct struct_hfa_d7 b; }; + struct struct_hfa_d8 func_hfa_d8(struct struct_hfa_d8 e); + func_hfa_d8((struct struct_hfa_d8){ 8, { 7, { 6, { 5, { 4, { 3, { 1, { 2 } } } } } } } }); + + struct struct_hfa_d9 { double a; struct struct_hfa_d8 b; }; + struct struct_hfa_d9 func_hfa_d9(struct struct_hfa_d9 e); + func_hfa_d9((struct struct_hfa_d9){ 9, { 8, { 7, { 6, { 5, { 4, { 3, { 1, { 2 } } } } } } } } }); + + struct struct_hfa_d10 { double a; struct struct_hfa_d9 b; }; + struct struct_hfa_d10 func_hfa_d10(struct struct_hfa_d10 e); + func_hfa_d10((struct struct_hfa_d10){ 10, { 9, { 8, { 7, { 6, { 5, { 4, { 3, { 1, { 2 } } } } } } } } } }); + + struct struct_hfa_d11 { double a; struct struct_hfa_d10 b; }; + struct struct_hfa_d11 func_hfa_d11(struct struct_hfa_d11 e); + func_hfa_d11((struct struct_hfa_d11){ 11, { 10, { 9, { 8, { 7, { 6, { 5, { 4, { 3, { 1, { 2 } } } } } } } } } } }); + + struct struct_hfa_d12 { double a; struct struct_hfa_d11 b; }; + struct struct_hfa_d12 func_hfa_d12(struct struct_hfa_d12 e); + func_hfa_d12((struct struct_hfa_d12){ 12, { 11, { 10, { 9, { 8, { 7, { 6, { 5, { 4, { 3, { 1, { 2 } } } } } } } } } } } }); + return 0; } diff --git a/testsuite/ltrace.main/parameters.conf b/testsuite/ltrace.main/parameters.conf index 33c1a1e..066c012 100644 --- a/testsuite/ltrace.main/parameters.conf +++ b/testsuite/ltrace.main/parameters.conf @@ -1,15 +1,65 @@ void func_intptr(int*) void func_intptr_ret(+int*) +void func_string(string[10]) int func_strlen(+string[retval]) +int func_arg0(+string[arg0]) void func_strfixed(string[4]) -void func_ppp(int***) +void func_ppp(int * **) void func_stringp(string*) void func_enum(enum (RED=0,GREEN=1,BLUE=2,CHARTREUSE=3,PETUNIA=4)) void func_short(short,short) void func_ushort(ushort, ushort) -void func_float(float,float) +float func_float(float,float) +double func_double(double,double) typedef color = enum (RED=0,GREEN=1,BLUE=2,CHARTREUSE=3,PETUNIA=4) void func_typedef(color) -void func_arrayi(array(int,arg2)*,void) -void func_arrayf(array(float,arg2)*,void) +void func_arrayi(array(int,arg2)*,int) +void func_arrayf(array(float,arg2)*,int) void func_struct(struct(int,int,int,array(struct(int,int),elt2)*,array(struct(int,int),3),string[elt3])*) +void func_work(+string); +void func_call(+string, string); +struct(float,char,char) func_struct_2(int, struct(string(array(char, 6)),float), double); +struct(long,long,long,long) func_struct_large(struct(long,long,long,long), struct(long,long,long,long)); +struct(char,char,long,long) func_struct_large2(struct(char,char,long,long), struct(char,char,long,long)); +struct(long,long,char,char) func_struct_large3(struct(long,long,char,char), struct(long,long,char,char)); +void func_many_args(int, int, long, double, char, int, float, char, int, double, int, double, char, int, short, int, char, float, float, double, long, float, float, float, float); +void func_printf(format); +void func_sprintf(+string,format); +void func_lens(octal, octal(long), hex(short), hex(long)); +bool(int) func_bool(int, bool(int)); +void func_hide(hide(int), int, hide(int), hide(int), int, hide(int), int, hide(int)); +void func_hide_struct(struct(hide(int), int, hide(int), hide(int), int, hide(int), int, hide(int))); +array(enum[long](A,B), 4) *func_short_enums(array(enum[short](A,B), 4)*); +enum[long](A=-1) func_negative_enum(enum[short](A=-1), enum[ushort](A=-1), enum[int](A=-1), enum[uint](A=-1), enum[long](A=-1), enum[ulong](A=-1)); +void func_charp_string(string(char *)); +struct(double) func_dbl_eqv(struct(double), struct(struct(double)), struct(struct(struct(double))), struct(struct(struct(struct(double))))); +struct(float) func_flt_eqv(struct(float), struct(struct(float)), struct(struct(struct(float))), struct(struct(struct(struct(float))))); +struct() func_struct_empty(struct()); +struct(char) func_struct_size1(struct(char)); +struct(short) func_struct_size2(struct(short)); +struct(int) func_struct_size4(struct(int)); +struct(int,int) func_struct_size8(struct(int,int)); + +struct(float,struct(float)) func_hfa_f2(struct(float,struct(float))); +struct(float,struct(float,struct(float))) func_hfa_f3(struct(float,struct(float,struct(float)))); +struct(float,struct(float,struct(float,struct(float)))) func_hfa_f4(struct(float,struct(float,struct(float,struct(float))))); +struct(float,struct(float,struct(float,struct(float,struct(float))))) func_hfa_f5(struct(float,struct(float,struct(float,struct(float,struct(float)))))); +struct(float,struct(float,struct(float,struct(float,struct(float,struct(float)))))) func_hfa_f6(struct(float,struct(float,struct(float,struct(float,struct(float,struct(float))))))); +struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float))))))) func_hfa_f7(struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float)))))))); +struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float)))))))) func_hfa_f8(struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float))))))))); +struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float))))))))) func_hfa_f9(struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float)))))))))); +struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float)))))))))) func_hfa_f10(struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float))))))))))); +struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float))))))))))) func_hfa_f11(struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float)))))))))))); +struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float)))))))))))) func_hfa_f12(struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float,struct(float))))))))))))); + +struct(double,struct(double)) func_hfa_d2(struct(double,struct(double))); +struct(double,struct(double,struct(double))) func_hfa_d3(struct(double,struct(double,struct(double)))); +struct(double,struct(double,struct(double,struct(double)))) func_hfa_d4(struct(double,struct(double,struct(double,struct(double))))); +struct(double,struct(double,struct(double,struct(double,struct(double))))) func_hfa_d5(struct(double,struct(double,struct(double,struct(double,struct(double)))))); +struct(double,struct(double,struct(double,struct(double,struct(double,struct(double)))))) func_hfa_d6(struct(double,struct(double,struct(double,struct(double,struct(double,struct(double))))))); +struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double))))))) func_hfa_d7(struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double)))))))); +struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double)))))))) func_hfa_d8(struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double))))))))); +struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double))))))))) func_hfa_d9(struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double)))))))))); +struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double)))))))))) func_hfa_d10(struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double))))))))))); +struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double))))))))))) func_hfa_d11(struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double)))))))))))); +struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double)))))))))))) func_hfa_d12(struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double,struct(double))))))))))))); diff --git a/testsuite/ltrace.main/parameters.exp b/testsuite/ltrace.main/parameters.exp index bb55e03..e54086f 100644 --- a/testsuite/ltrace.main/parameters.exp +++ b/testsuite/ltrace.main/parameters.exp @@ -6,7 +6,7 @@ set srcfile ${testfile}.c set binfile ${testfile} set libfile "parameters-lib" set libsrc $srcdir/$subdir/$libfile.c -set lib_sl $srcdir/$subdir/lib$testfile.so +set lib_sl $objdir/$subdir/lib$testfile.so if [get_compiler_info $binfile] { @@ -15,15 +15,15 @@ if [get_compiler_info $binfile] { verbose "compiling source file now....." if { [ltrace_compile_shlib $libsrc $lib_sl debug ] != "" - || [ltrace_compile $srcdir/$subdir/$srcfile $srcdir/$subdir/$binfile executable [list debug shlib=$lib_sl] ] != ""} { + || [ltrace_compile $srcdir/$subdir/$srcfile $objdir/$subdir/$binfile executable [list debug shlib=$lib_sl] ] != ""} { send_user "Testcase compile failed, so all tests in this file will automatically fail.\n" } # set options for ltrace. -ltrace_options "-l" "$srcdir/$subdir/libparameters.so" "-F" "$srcdir/$subdir/parameters.conf" +ltrace_options "-l" "libparameters.so" "-F" "$srcdir/$subdir/parameters.conf" # Run PUT for ltarce. -set exec_output [ltrace_runtest $srcdir/$subdir $srcdir/$subdir/$binfile] +set exec_output [ltrace_runtest $objdir/$subdir $objdir/$subdir/$binfile] # Check the output of this program. verbose "ltrace runtest output: $exec_output\n" @@ -35,38 +35,198 @@ if [regexp {ELF from incompatible architecture} $exec_output] { return } +set xfail_spec {"arm*-*" } +set xfail_spec_arm {"arm*-*"} + # Verify the output set pattern "func_intptr(17)" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern 1 +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 set pattern "func_intptr_ret(42)" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern 1 +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 set pattern "func_strlen(\\\"Hello world\\\") *= *11" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern 1 +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 +set pattern "func_arg0(\\\"Hello another world!\\\") *= *20" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 set pattern "func_strfixed(\\\"Hell\\\")" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern 1 +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 set pattern "func_ppp(80)" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern 1 +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 set pattern "func_stringp(\\\"Dude\\\")" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern 1 +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 +set pattern "func_string(\\\"zero\\\")" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 set pattern "func_enum(BLUE)" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern 1 +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 set pattern "func_short(-8, -9)" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern 1 +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 set pattern "func_ushort(33, 34)" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern 1 -set pattern "func_float(3.40*, -3.40*)" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern 1 +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 +set pattern "func_float(3.40*, -3.40*).*= 3.40*" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 +eval "setup_xfail $xfail_spec" +set pattern "func_double(3.40*, -3.40*).*= -3.40*" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 set pattern "func_typedef(BLUE)" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern 1 -set pattern "func_arrayi(. 10, 11, 12, 13\\.\\.\\. ., )" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern 1 -set pattern "func_arrayi(. 10, 11 ., )" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern 1 -set pattern "func_arrayf(. 10.10*, 11.10*, 12.10*, 13.10*\\.\\.\\. ., )" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern 1 -set pattern "func_arrayf(. 10.10*, 11.10* ., )" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern 1 +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 +set pattern "func_arrayi(. 10, 11, 12, 13\\.\\.\\. ., 8)" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 +set pattern "func_arrayi(. 10, 11 ., 2)" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 +set pattern "func_arrayf(. 10.10*, 11.10*, 12.10*, 13.10*\\.\\.\\. ., 8)" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 +set pattern "func_arrayf(. 10.10*, 11.10* ., 2)" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 set pattern "exited (status 0)" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern 1 +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 set pattern "func_struct({ 89, 2, 3, . { 1, 10 }, { 3, 30 } ., . { 4, 40 }, { 5, 50 }, { 6, 60 } ., \\\"123\\\" })" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern 1 +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 +set pattern "func_call( " +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 +set pattern "func_work(\\\"x\\\")" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 +set pattern "func_struct_2(17, { \\\"ABCDE\\\\\\\\0\\\", 0.250* }, 0.50*).*= { 0.250*, 'B', 'C' }" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 +eval "setup_xfail $xfail_spec_arm" +set pattern "<... func_call resumed> \\\"x\\\", \\\"y\\\")" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_struct_large({ 1, 2, 3, 4 }, { 5, 6, 7, 8 }).*= { 6, 8, 10, 12 }" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_struct_large2({ '0', '1', 3, 4 }, { '2', '3', 7, 8 }).*= { 'b', 'd', 10, 12 }" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_struct_large3({ 3, 4, '0', '1' }, { 7, 8, '2', '3' }).*= { 10, 12, 'b', 'd' }" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_many_args(1, 2, 3, 4.00*, '5', 6, 7.00*, '8', 9, 10.00*, 11, 12.00*, 'A', 14, 15, 16, 'B', 18.00*, 19.00*, 20.00*, 21, 22.00*, 23.00*, 24.00*, 25.00*)" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_printf(\\\"sotnuh %d %ld %g %c.n\\\", 5, 6, 1.500*, 'X')" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_printf(\\\"sotnuh1 %d %ld %hd.n\\\", 5, 6, 7)" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_printf(\\\"sotnuh2 %s %10s %10s.n\\\", \\\"a string\\\", \\\"a trimmed \\\", \\\"short\\\")" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_printf(\\\"sotnuh3 %.s.n\\\", 4, \\\"a tr\\\")" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_printf(\\\"many_args%d %d %ld %g %c %d %g .*, 1, 2, 3, 4.00*, '5', 6, 7.00*, '8', 9, 10.00*, 11, 12.00*, 'A', 14, 15, 16, 'B', 18.00*, 19.00*, 20.00*, 21, 22.00*, 23.00*, 24.00*, 25.00*)" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_sprintf(nil, \\\"test %d %d %d %d.n\\\", 1, 2, 3, 4)" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_lens(026, 027, 0x18, 0x19)" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_bool(1, true).*= false" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_bool(2, false).*= true" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_hide(2, 5, 7)" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_hide_struct({ 2, 5, 7 })" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_short_enums(. A, B, A, A .).*= . A, B, A, A ." +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_negative_enum(A, A, A, A, A, A).*= A" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_charp_string(\\\"null-terminated string\\\")" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_dbl_eqv({ 2.500* }, { { 1.50* } }, { { { 0.50* } } }, { { { { -0.50* } } } }).*= { 4.00* }" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_flt_eqv({ 2.500* }, { { 1.50* } }, { { { 0.50* } } }, { { { { -0.50* } } } }).*= { 4.00* }" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_struct_empty({ *}).*= { *}" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_struct_size1({ '5' }).*= { '5' }" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_struct_size2({ 5 }).*= { 5 }" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_struct_size4({ 5 }).*= { 5 }" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_struct_size8({ 5, 6 }).*= { 5, 6 }" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_hfa_f2({ 1.000*, { 2.000* } }).*= { 1.000*, { 2.000* } }" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_hfa_f3({ 3.000*, { 1.000*, { 2.000* } } }).*= { 3.000*, { 1.000*, { 2.000* } } }" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_hfa_f4({ 4.000*, { 3.000*, { 1.000*, { 2.000* } } } }).*= { 4.000*, { 3.000*, { 1.000*, { 2.000* } } } }" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_hfa_f5({ 5.000*, { 4.000*, { 3.000*, { 1.000*, { 2.000* } } } } }).*= { 5.000*, { 4.000*, { 3.000*, { 1.000*, { 2.000* } } } } }" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_hfa_f6({ 6.000*, { 5.000*, { 4.000*, { 3.000*, { 1.000*, { 2.000* } } } } } }).*= { 6.000*, { 5.000*, { 4.000*, { 3.000*, { 1.000*, { 2.000* } } } } } }" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_hfa_f7({ 7.000*, { 6.000*, { 5.000*, { 4.000*, { 3.000*, { 1.000*, { 2.000* } } } } } } }).*= { 7.000*, { 6.000*, { 5.000*, { 4.000*, { 3.000*, { 1.000*, { 2.000* } } } } } } }" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_hfa_f8({ 8.000*, { 7.000*, { 6.000*, { 5.000*, { 4.000*, { 3.000*, { 1.000*, { 2.000* } } } } } } } }).*= { 8.000*, { 7.000*, { 6.000*, { 5.000*, { 4.000*, { 3.000*, { 1.000*, { 2.000* } } } } } } } }" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_hfa_f9({ 9.000*, { 8.000*, { 7.000*, { 6.000*, { 5.000*, { 4.000*, { 3.000*, { 1.000*, { 2.000* } } } } } } } } }).*= { 9.000*, { 8.000*, { 7.000*, { 6.000*, { 5.000*, { 4.000*, { 3.000*, { 1.000*, { 2.000* } } } } } } } } }" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_hfa_f10({ 10.000*, { 9.000*, { 8.000*, { 7.000*, { 6.000*, { 5.000*, { 4.000*, { 3.000*, { 1.000*, { 2.000* } } } } } } } } } }).*= { 10.000*, { 9.000*, { 8.000*, { 7.000*, { 6.000*, { 5.000*, { 4.000*, { 3.000*, { 1.000*, { 2.000* } } } } } } } } } }" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_hfa_f11({ 11.000*, { 10.000*, { 9.000*, { 8.000*, { 7.000*, { 6.000*, { 5.000*, { 4.000*, { 3.000*, { 1.000*, { 2.000* } } } } } } } } } } }).*= { 11.000*, { 10.000*, { 9.000*, { 8.000*, { 7.000*, { 6.000*, { 5.000*, { 4.000*, { 3.000*, { 1.000*, { 2.000* } } } } } } } } } } }" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_hfa_f12({ 12.000*, { 11.000*, { 10.000*, { 9.000*, { 8.000*, { 7.000*, { 6.000*, { 5.000*, { 4.000*, { 3.000*, { 1.000*, { 2.000* } } } } } } } } } } } }).*= { 12.000*, { 11.000*, { 10.000*, { 9.000*, { 8.000*, { 7.000*, { 6.000*, { 5.000*, { 4.000*, { 3.000*, { 1.000*, { 2.000* } } } } } } } } } } } }" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_hfa_d2({ 1.000*, { 2.000* } }).*= { 1.000*, { 2.000* } }" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_hfa_d3({ 3.000*, { 1.000*, { 2.000* } } }).*= { 3.000*, { 1.000*, { 2.000* } } }" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_hfa_d4({ 4.000*, { 3.000*, { 1.000*, { 2.000* } } } }).*= { 4.000*, { 3.000*, { 1.000*, { 2.000* } } } }" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_hfa_d5({ 5.000*, { 4.000*, { 3.000*, { 1.000*, { 2.000* } } } } }).*= { 5.000*, { 4.000*, { 3.000*, { 1.000*, { 2.000* } } } } }" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_hfa_d6({ 6.000*, { 5.000*, { 4.000*, { 3.000*, { 1.000*, { 2.000* } } } } } }).*= { 6.000*, { 5.000*, { 4.000*, { 3.000*, { 1.000*, { 2.000* } } } } } }" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_hfa_d7({ 7.000*, { 6.000*, { 5.000*, { 4.000*, { 3.000*, { 1.000*, { 2.000* } } } } } } }).*= { 7.000*, { 6.000*, { 5.000*, { 4.000*, { 3.000*, { 1.000*, { 2.000* } } } } } } }" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_hfa_d8({ 8.000*, { 7.000*, { 6.000*, { 5.000*, { 4.000*, { 3.000*, { 1.000*, { 2.000* } } } } } } } }).*= { 8.000*, { 7.000*, { 6.000*, { 5.000*, { 4.000*, { 3.000*, { 1.000*, { 2.000* } } } } } } } }" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_hfa_d9({ 9.000*, { 8.000*, { 7.000*, { 6.000*, { 5.000*, { 4.000*, { 3.000*, { 1.000*, { 2.000* } } } } } } } } }).*= { 9.000*, { 8.000*, { 7.000*, { 6.000*, { 5.000*, { 4.000*, { 3.000*, { 1.000*, { 2.000* } } } } } } } } }" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_hfa_d10({ 10.000*, { 9.000*, { 8.000*, { 7.000*, { 6.000*, { 5.000*, { 4.000*, { 3.000*, { 1.000*, { 2.000* } } } } } } } } } }).*= { 10.000*, { 9.000*, { 8.000*, { 7.000*, { 6.000*, { 5.000*, { 4.000*, { 3.000*, { 1.000*, { 2.000* } } } } } } } } } }" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_hfa_d11({ 11.000*, { 10.000*, { 9.000*, { 8.000*, { 7.000*, { 6.000*, { 5.000*, { 4.000*, { 3.000*, { 1.000*, { 2.000* } } } } } } } } } } }).*= { 11.000*, { 10.000*, { 9.000*, { 8.000*, { 7.000*, { 6.000*, { 5.000*, { 4.000*, { 3.000*, { 1.000*, { 2.000* } } } } } } } } } } }" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern "func_hfa_d12({ 12.000*, { 11.000*, { 10.000*, { 9.000*, { 8.000*, { 7.000*, { 6.000*, { 5.000*, { 4.000*, { 3.000*, { 1.000*, { 2.000* } } } } } } } } } } } }).*= { 12.000*, { 11.000*, { 10.000*, { 9.000*, { 8.000*, { 7.000*, { 6.000*, { 5.000*, { 4.000*, { 3.000*, { 1.000*, { 2.000* } } } } } } } } } } } }" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 diff --git a/testsuite/ltrace.main/parameters2.exp b/testsuite/ltrace.main/parameters2.exp new file mode 100644 index 0000000..8443fb6 --- /dev/null +++ b/testsuite/ltrace.main/parameters2.exp @@ -0,0 +1,215 @@ +# This file is part of ltrace. +# Copyright (C) 2012 Petr Machata, Red Hat Inc. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA + +set trivial [ltraceCompile {} [ltraceSource c { + int main(void) {} +}]] + +ltraceMatch1 [ltraceRun -L -F [ltraceSource conf { + typedef aa = int; + typedef aaa = int; + typedef bbb = struct(aa); +}] -- $trivial] "error" == 0 + +ltraceMatch1 [ltraceRun -L -F [ltraceSource conf { + typedef aa = int; + typedef aa = int; +}] -- $trivial] "error" != 0 + +ltraceMatch1 [ltraceRun -L -F [ltraceSource conf { + typedef aa = struct; + typedef aa = int; +}] -- $trivial] "error" != 0 + +ltraceMatch1 [ltraceRun -L -F [ltraceSource conf { + typedef aa = struct; + typedef aa = struct(int); + typedef aa = struct(int); +}] -- $trivial] "error" != 0 + +ltraceMatch1 [ltraceRun -L -F [ltraceSource conf { + typedef aa = struct; + typedef aa = struct(); + typedef aa = struct(); +}] -- $trivial] "error" != 0 + +ltraceMatch1 [ltraceRun -L -F [ltraceSource conf { + typedef aa = struct(int, struct;); +}] -- $trivial] "error" != 0 + +set libll [ltraceCompile libll.so [ltraceSource c { + struct xxx; + void ll(struct xxx *xxx) {} +}]] + +set conf [ltraceSource conf { + typedef xxx = struct; + typedef xxx = struct(int, xxx*); + void ll(xxx*); +}] + +ltraceMatch [ltraceRun -F $conf -e ll [ltraceCompile {} $libll [ltraceSource c { + struct xxx { + int i; + struct xxx *next; + }; + + void ll (struct xxx *xxx); + int main (int argc, char *argv[]) + { + struct xxx a = { 1, 0 }; + struct xxx b = { 2, &a }; + struct xxx c = { 3, &b }; + struct xxx d = { 4, &c }; + ll (&d); + + struct xxx e = { 1, 0 }; + struct xxx f = { 2, &e }; + e.next = &f; + ll (&f); + + struct xxx g = { 1, &g }; + ll (&g); + + return 0; + } +}]]] { + {{->ll\({ 4, { 3, { 2, { 1, nil } } } }\) *= } == 1} + {{->ll\({ 2, { 1, recurse\^ } }\) *= } == 1} + {{->ll\({ 1, recurse }\) *= } == 1} +} + +ltraceMatch1 [ltraceRun -F $conf -e ll -A 5 \ +-- [ltraceCompile ll $libll [ltraceSource c { + #include + struct ble { + int i; + struct ble *next; + }; + + void ll (struct ble *ble); + int main (int argc, char *argv[]) + { + struct ble *b = NULL; + int i; + for (i = 0; i < 10; ++i) { + struct ble *n = malloc(sizeof(*n)); + n->i = i; + n->next = b; + b = n; + } + ll (b); + + return 0; + } +}]]] {->ll\({ 9, { 8, { 7, { 6, { 5, \.\.\. } } } } }\) *= } == 1 + +proc ltraceParamTest {conf cdecl libcode maincode match {params ""}} { + set conffile [ltraceSource conf $conf] + set lib [ltraceCompile liblib.so [ltraceSource c [concat $cdecl $libcode]]] + set bin [ltraceCompile {} $lib \ + [ltraceSource c \ + [concat $cdecl "int main(void) {" $maincode "}"]]] + + set command [concat "ltraceRun -F $conffile " $params "-- $bin"] + return [ltraceMatch [eval $command] $match] +} + +# Test using lens in typedef. + +ltraceParamTest { + typedef hexptr = hex(uint*); + void fun(hexptr); +} { + void fun(unsigned *arg); +} { + void fun(unsigned *arg) {} +} { + unsigned u = 0x123; + fun(&u); +} { + {{fun\(0x123\) *= } == 1} +} + +# Test support for bitvec lens. + +ltraceParamTest { + void fun(bitvec(uint)); + void fun2(bitvec(array(char, 32)*)); +} { + void fun(unsigned i); + void fun2(unsigned char *arr); +} { + void fun(unsigned i) {} + void fun2(unsigned char *arr) {} +} { + fun(0); + fun(0x123); + fun(0xfffffffe); + fun(0xffffffff); + + unsigned char bytes[32] = {0x00}; + bytes[1] = 0xff; + bytes[31] = 0x80; + fun2(bytes); +} { + {{fun\(<>\) *= } == 1} + {{fun\(<0-1,5,8>\) *= } == 1} + {{fun\(~<0>\) *= } == 1} + {{fun\(~<>\) *= } == 1} + {{fun2\(<8-15,255>\) *= } == 1} +} + +# Test support for hex(float), hex(double). + +ltraceParamTest { + hex(float) hex_float(hex(float)); + hex(double) hex_double(hex(double)); +} { + float hex_float(float f); + double hex_double(double d); +} { + float hex_float(float f) { return f + 1; } + double hex_double(double d) { return d + 1; } +} { + hex_float(1.5); + hex_double(1.5); +} { + {{hex_float\(0x1.8p\+0\) *= 0x1.4p\+1} == 1} + {{hex_double\(0x1.8p\+0\) *= 0x1.4p\+1} == 1} +} + +# Test that -x fun can find "fun" prototype even if "fun" is in a +# library. + +ltraceParamTest { + void fun(); +} { + void libfun(void); +} { + void fun(void) {} + void libfun(void) { fun(); } +} { + libfun(); +} { + {{fun@.*\(\)} == 1} +} { + -L -x fun +} + +ltraceDone diff --git a/testsuite/ltrace.main/signals.exp b/testsuite/ltrace.main/signals.exp index f0708e9..d812af6 100644 --- a/testsuite/ltrace.main/signals.exp +++ b/testsuite/ltrace.main/signals.exp @@ -7,7 +7,7 @@ set binfile ${testfile} verbose "compiling source file now....." # Build the shared libraries this test case needs. -if { [ ltrace_compile "${srcdir}/${subdir}/${testfile}.c" "${srcdir}/${subdir}/${binfile}" executable {debug} ] != "" } { +if { [ ltrace_compile "${srcdir}/${subdir}/${testfile}.c" "${objdir}/${subdir}/${binfile}" executable {debug} ] != "" } { send_user "Testcase compile failed, so all tests in this file will automatically fail\n." } @@ -15,7 +15,7 @@ if { [ ltrace_compile "${srcdir}/${subdir}/${testfile}.c" "${srcdir}/${subdir}/ ltrace_options "-L" # Run PUT for ltarce. -set exec_output [ltrace_runtest $srcdir/$subdir $srcdir/$subdir/$binfile] +set exec_output [ltrace_runtest $objdir/$subdir $objdir/$subdir/$binfile] # Check the output of this program. verbose "ltrace runtest output: $exec_output\n" @@ -36,4 +36,4 @@ close $fd # Verify the output of ltrace by checking the number of SIGUSR1 in signal.ltrace set pattern "SIGUSR1" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern $count +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern $count diff --git a/testsuite/ltrace.main/system_calls.exp b/testsuite/ltrace.main/system_calls.exp index b274db5..259ae25 100644 --- a/testsuite/ltrace.main/system_calls.exp +++ b/testsuite/ltrace.main/system_calls.exp @@ -7,7 +7,7 @@ set binfile ${testfile} verbose "compiling source file now....." # Build the shared libraries this test case needs. -if { [ ltrace_compile "${srcdir}/${subdir}/${testfile}.c" "${srcdir}/${subdir}/${binfile}" executable {debug} ] != "" } { +if { [ ltrace_compile "${srcdir}/${subdir}/${testfile}.c" "${objdir}/${subdir}/${binfile}" executable {debug} ] != "" } { send_user "Testcase compile failed, so all tests in this file will automatically fail.\n" } @@ -15,7 +15,7 @@ if { [ ltrace_compile "${srcdir}/${subdir}/${testfile}.c" "${srcdir}/${subdir}/ ltrace_options "-S" #Run PUT for ltarce. -set exec_output [ltrace_runtest $srcdir/$subdir $srcdir/$subdir/$binfile] +set exec_output [ltrace_runtest $objdir/$subdir $objdir/$subdir/$binfile] #check the output of this program. verbose "ltrace runtest output: $exec_output\n" @@ -30,38 +30,38 @@ if [regexp {ELF from incompatible architecture} $exec_output] { set pattern "SYS_munmap" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern 2 +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 2 set pattern "SYS_write" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern 1 +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 set pattern "SYS_unlink" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern 1 +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 set pattern "SYS_brk" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern 1 +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 set pattern "SYS_open" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern 1 -set pattern "SYS_fstat" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern 1 -set pattern "SYS_mmap" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern 1 +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 +set pattern "SYS_(new)?fstat" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 egrep +set pattern "SYS_(old_)?mmap" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 egrep set pattern "SYS_close" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern 1 +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 set pattern "SYS_getcwd" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern 1 +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 set pattern "SYS_chdir" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern 1 +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 set pattern "SYS_symlink" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern 1 +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 set pattern "SYS_unlink" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern 1 -set pattern "SYS_stat" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern 1 +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 +set pattern "SYS_(new)?stat" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 egrep set pattern "SYS_access" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern 1 +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 set pattern "SYS_rename" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern 1 +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 set pattern "SYS_mkdir" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern 1 +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 set pattern "SYS_rmdir" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern 1 +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 diff --git a/testsuite/ltrace.minor/Makefile.am b/testsuite/ltrace.minor/Makefile.am new file mode 100644 index 0000000..af6cfde --- /dev/null +++ b/testsuite/ltrace.minor/Makefile.am @@ -0,0 +1,46 @@ +# Copyright (C) 1992 - 2001, 2012 Free Software Foundation, Inc. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 1, or (at your option) +# any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +# + +EXTRA_DIST = \ + attach-process.exp \ + count-record.c \ + count-record.exp \ + demangle.cpp \ + demangle.exp \ + demangle.h \ + demangle-lib.cpp \ + libdl-simple.c \ + libdl-simple.exp \ + libdl-simple-lib.c \ + print-instruction-pointer.c \ + print-instruction-pointer.exp \ + time-record.c \ + time-record-T.exp \ + time-record-tt.exp \ + time-record-ttt.exp \ + trace-clone.c \ + trace-clone.exp \ + trace-exec.exp \ + trace-fork.c \ + trace-fork.exp + +CLEANFILES = *.o *.so *.log *.sum *.ltrace setval.tmp \ + attach-process count-record demangle print-instruction-pointer \ + time-record-T time-record-tt time-record-ttt trace-clone \ + trace-exec trace-exec1 trace-fork libdl-simple + +MAINTAINERCLEANFILES = Makefile.in diff --git a/testsuite/ltrace.minor/Makefile.in b/testsuite/ltrace.minor/Makefile.in new file mode 100644 index 0000000..e6d7c03 --- /dev/null +++ b/testsuite/ltrace.minor/Makefile.in @@ -0,0 +1,415 @@ +# Makefile.in generated by automake 1.11.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, +# Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# Copyright (C) 1992 - 2001, 2012 Free Software Foundation, Inc. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 1, or (at your option) +# any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +# +VPATH = @srcdir@ +pkgdatadir = $(datadir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkglibexecdir = $(libexecdir)/@PACKAGE@ +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = $(program_transform_name) +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : +NORMAL_UNINSTALL = : +PRE_UNINSTALL = : +POST_UNINSTALL = : +build_triplet = @build@ +host_triplet = @host@ +subdir = testsuite/ltrace.minor +DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in +ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 +am__aclocal_m4_deps = 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time-record-T.exp \ + time-record-tt.exp \ + time-record-ttt.exp \ + trace-clone.c \ + trace-clone.exp \ + trace-exec.exp \ + trace-fork.c \ + trace-fork.exp + +CLEANFILES = *.o *.so *.log *.sum *.ltrace setval.tmp \ + attach-process count-record demangle print-instruction-pointer \ + time-record-T time-record-tt time-record-ttt trace-clone \ + trace-exec trace-exec1 trace-fork libdl-simple + +MAINTAINERCLEANFILES = Makefile.in +all: all-am + +.SUFFIXES: +$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am $(am__configure_deps) + @for dep in $?; do \ + case '$(am__configure_deps)' in \ + *$$dep*) \ + ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \ + && { if test -f $@; then exit 0; else break; fi; }; \ + exit 1;; \ + esac; \ + done; \ + echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign testsuite/ltrace.minor/Makefile'; \ + $(am__cd) $(top_srcdir) && \ + $(AUTOMAKE) --foreign testsuite/ltrace.minor/Makefile +.PRECIOUS: Makefile +Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status + @case '$?' in \ + *config.status*) \ + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \ + *) \ + echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \ + cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \ + esac; + +$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES) + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh + +$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps) + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh +$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps) + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh +$(am__aclocal_m4_deps): + +mostlyclean-libtool: + -rm -f *.lo + +clean-libtool: + -rm -rf .libs _libs +tags: TAGS +TAGS: + +ctags: CTAGS +CTAGS: + + +distdir: $(DISTFILES) + @srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \ + topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \ + list='$(DISTFILES)'; \ + dist_files=`for file in $$list; do echo $$file; done | \ + sed -e "s|^$$srcdirstrip/||;t" \ + -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \ + case $$dist_files in \ + */*) $(MKDIR_P) `echo "$$dist_files" | \ + sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \ + sort -u` ;; \ + esac; \ + for file in $$dist_files; do \ + if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \ + if test -d $$d/$$file; then \ + dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \ + if test -d "$(distdir)/$$file"; then \ + find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \ + fi; \ + if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \ + cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \ + find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \ + fi; \ + cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \ + else \ + test -f "$(distdir)/$$file" \ + || cp -p $$d/$$file "$(distdir)/$$file" \ + || exit 1; \ + fi; \ + done +check-am: all-am +check: check-am +all-am: Makefile +installdirs: +install: install-am +install-exec: install-exec-am +install-data: install-data-am +uninstall: uninstall-am + +install-am: all-am + @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am + +installcheck: installcheck-am +install-strip: + $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \ + install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \ + `test -z '$(STRIP)' || \ + echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install +mostlyclean-generic: + +clean-generic: + -test -z "$(CLEANFILES)" || rm -f $(CLEANFILES) + +distclean-generic: + -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES) + -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES) + +maintainer-clean-generic: + @echo "This command is intended for maintainers to use" + @echo "it deletes files that may require special tools to rebuild." + -test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES) +clean: clean-am + +clean-am: clean-generic clean-libtool mostlyclean-am + +distclean: distclean-am + -rm -f Makefile +distclean-am: clean-am distclean-generic + +dvi: dvi-am + +dvi-am: + +html: html-am + +html-am: + +info: info-am + +info-am: + +install-data-am: + +install-dvi: install-dvi-am + +install-dvi-am: + +install-exec-am: + +install-html: install-html-am + +install-html-am: + +install-info: install-info-am + +install-info-am: + +install-man: + +install-pdf: install-pdf-am + +install-pdf-am: + +install-ps: install-ps-am + +install-ps-am: + +installcheck-am: + +maintainer-clean: maintainer-clean-am + -rm -f Makefile +maintainer-clean-am: distclean-am maintainer-clean-generic + +mostlyclean: mostlyclean-am + +mostlyclean-am: mostlyclean-generic mostlyclean-libtool + +pdf: pdf-am + +pdf-am: + +ps: ps-am + +ps-am: + +uninstall-am: + +.MAKE: install-am install-strip + +.PHONY: all all-am check check-am clean clean-generic clean-libtool \ + distclean distclean-generic distclean-libtool distdir dvi \ + dvi-am html html-am info info-am install install-am \ + install-data install-data-am install-dvi install-dvi-am \ + install-exec install-exec-am install-html install-html-am \ + install-info install-info-am install-man install-pdf \ + install-pdf-am install-ps install-ps-am install-strip \ + installcheck installcheck-am installdirs maintainer-clean \ + maintainer-clean-generic mostlyclean mostlyclean-generic \ + mostlyclean-libtool pdf pdf-am ps ps-am uninstall uninstall-am + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/testsuite/ltrace.minor/attach-process.c b/testsuite/ltrace.minor/attach-process.c deleted file mode 100644 index 4c00bce..0000000 --- a/testsuite/ltrace.minor/attach-process.c +++ /dev/null @@ -1,16 +0,0 @@ -/* Ltrace Test : attach-process.c. - Objectives : Verify that ltrace can attach to a running process - by its PID. - - This file was written by Yao Qi . */ - -#include -#include - -int -main () -{ - sleep (5); - sleep (1); - return 0; -} diff --git a/testsuite/ltrace.minor/attach-process.exp b/testsuite/ltrace.minor/attach-process.exp index ab5460e..2c7d20c 100644 --- a/testsuite/ltrace.minor/attach-process.exp +++ b/testsuite/ltrace.minor/attach-process.exp @@ -1,38 +1,29 @@ -# This file was written by Yao Qi . - -set testfile "attach-process" -set srcfile ${testfile}.c -set binfile ${testfile} - -verbose "compiling source file now....." -# Build the shared libraries this test case needs. -if { [ ltrace_compile "${srcdir}/${subdir}/${testfile}.c" "${srcdir}/${subdir}/${binfile}" executable {debug} ] != "" } { - send_user "Testcase compile failed, so all tests in this file will automatically fail.\n" -} - -# Run the program and get PID of it. -catch "exec $srcdir/$subdir/$binfile &" output - -# get PID from ps output. -regexp {([0-9]+)} $output match PID -verbose "PID = $PID" - -# Run PUT for ltrace. -global LTRACE -catch "exec $LTRACE -S -p $PID -o ${srcdir}/${subdir}/${testfile}.ltrace" exec_output - -# Check the output of this program. -verbose "ltrace runtest output: $exec_output\n" -if [regexp {ELF from incompatible architecture} $exec_output] { - fail "32-bit ltrace can not perform on 64-bit PUTs and rebuild ltrace in 64 bit mode!" - return -} elseif [ regexp {Couldn't get .hash data} $exec_output ] { - fail "Couldn't get .hash data!" - return -} - -# Verify the output in attach-process.ltrace by checking the number -# of sleep. -set pattern "sleep" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern 1 - +# This file is part of ltrace. +# Copyright (C) 2012 Petr Machata, Red Hat Inc. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA + +set bin [ltraceCompile {} [ltraceSource c { + #include + int main(void) { + sleep(5); + sleep(1); + } +}]] + +spawn $bin +ltraceMatch1 [ltraceRun -S -p [exp_pid]] { sleep\(} == 1 +ltraceDone diff --git a/testsuite/ltrace.minor/count-record.exp b/testsuite/ltrace.minor/count-record.exp index f8c4923..fe96b4c 100644 --- a/testsuite/ltrace.minor/count-record.exp +++ b/testsuite/ltrace.minor/count-record.exp @@ -6,7 +6,7 @@ set binfile ${testfile} verbose "compiling source file now....." # Build the shared libraries this test case needs. -if { [ ltrace_compile "${srcdir}/${subdir}/${testfile}.c" "${srcdir}/${subdir}/${binfile}" executable {debug} ] != "" } { +if { [ ltrace_compile "${srcdir}/${subdir}/${testfile}.c" "${objdir}/${subdir}/${binfile}" executable {debug} ] != "" } { send_user "Testcase compile failed, so all tests in this file will automatically fail.\n" } @@ -14,7 +14,7 @@ if { [ ltrace_compile "${srcdir}/${subdir}/${testfile}.c" "${srcdir}/${subdir}/ ltrace_options "-c" # Run PUT for ltrace. -set exec_output [ltrace_runtest $srcdir/$subdir $srcdir/$subdir/$binfile] +set exec_output [ltrace_runtest $objdir/$subdir $objdir/$subdir/$binfile] # Check the output of this program. verbose "ltrace runtest output: $exec_output\n" @@ -26,9 +26,6 @@ if [regexp {ELF from incompatible architecture} $exec_output] { return } - -ltrace_saveoutput $exec_output $srcdir/$subdir/$binfile.ltrace - # # This is a sample output and Verify the forth and fifth column. # @@ -49,29 +46,29 @@ ltrace_saveoutput $exec_output $srcdir/$subdir/$binfile.ltrace # set pattern " 1 rmdir" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern set pattern " 1 fopen" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern set pattern " 2 remove" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern set pattern " 1 mkdir" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern set pattern " 1 fseek" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern set pattern " 1 fwrite" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern set pattern " 1 fclose" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern set pattern " 1 rename" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern set pattern " 1 symlink" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern set pattern " 1 chdir" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern set pattern " 1 access" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern set pattern " 1 getcwd" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern set pattern " 1 fread" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern diff --git a/testsuite/ltrace.minor/demangle-lib.cpp b/testsuite/ltrace.minor/demangle-lib.cpp index 01ab18d..3091f31 100644 --- a/testsuite/ltrace.minor/demangle-lib.cpp +++ b/testsuite/ltrace.minor/demangle-lib.cpp @@ -1,6 +1,6 @@ #include #include - +#include #include"demangle.h" /* Number of arguments */ diff --git a/testsuite/ltrace.minor/demangle.exp b/testsuite/ltrace.minor/demangle.exp index 5077ac0..9dd7694 100644 --- a/testsuite/ltrace.minor/demangle.exp +++ b/testsuite/ltrace.minor/demangle.exp @@ -5,7 +5,7 @@ set srcfile ${testfile}.cpp set binfile ${testfile} set libfile "demangle-lib" set libsrc $srcdir/$subdir/$libfile.cpp -set lib_sl $srcdir/$subdir/lib$testfile.so +set lib_sl $objdir/$subdir/lib$testfile.so verbose "compiling source file now....." if [get_compiler_info $binfile "c++"] { @@ -14,7 +14,7 @@ if [get_compiler_info $binfile "c++"] { verbose "compiling source file now....." if { [ltrace_compile_shlib $libsrc $lib_sl [list debug c++]] != "" - || [ltrace_compile $srcdir/$subdir/$srcfile $srcdir/$subdir/$binfile executable [list debug shlib=$lib_sl c++] ] != ""} { + || [ltrace_compile $srcdir/$subdir/$srcfile $objdir/$subdir/$binfile executable [list debug shlib=$lib_sl c++] ] != ""} { send_user "Testcase compile failed, so all tests in this file will automatically fail.\n" } @@ -22,7 +22,7 @@ if { [ltrace_compile_shlib $libsrc $lib_sl [list debug c++]] != "" ltrace_options "-C" # Run PUT for ltrace. -set exec_output [ltrace_runtest $srcdir/$subdir $srcdir/$subdir/$binfile] +set exec_output [ltrace_runtest $objdir/$subdir $objdir/$subdir/$binfile] # Check the output of this program. verbose "ltrace runtest output: $exec_output\n" @@ -32,13 +32,16 @@ if [regexp {ELF from incompatible architecture} $exec_output] { } elseif [ regexp {Couldn't get .hash data} $exec_output ] { fail "Couldn't get .hash data!" return +} elseif [ regexp {invalid option} $exec_output ] { + unsupported "Demangle support not compiled in." + return } # read function declarations from demangle.cpp and verify them in demangle.ltrace. set fd [ open $srcdir/$subdir/$srcfile r] while { [gets $fd line] >= 0 } { if [regexp {extern (double|float|void|char|int|short|long|void \*|void \*\*) ([^ ])\(} $line match type fun] { - ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $fun + ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $fun } } close $fd @@ -53,10 +56,10 @@ while { [gets $fd line] >= 0 } { # $fun = "myclass::operator delete" will confuse ltrace_verify_output if it # was an argument to it. if [regexp {(new|delete)} $fun match sub_fun] { - ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $sub_fun + ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $sub_fun } else { # Verify class member functions without SPACE. - ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $fun + ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $fun } } } diff --git a/testsuite/ltrace.minor/libdl-simple-lib.c b/testsuite/ltrace.minor/libdl-simple-lib.c new file mode 100644 index 0000000..6340d9d --- /dev/null +++ b/testsuite/ltrace.minor/libdl-simple-lib.c @@ -0,0 +1,4 @@ +int test_libdl(int x) +{ + return x * 1337; +} diff --git a/testsuite/ltrace.minor/libdl-simple.c b/testsuite/ltrace.minor/libdl-simple.c new file mode 100644 index 0000000..0bef5cf --- /dev/null +++ b/testsuite/ltrace.minor/libdl-simple.c @@ -0,0 +1,24 @@ +#include +#include +#include + +int main(int argc, char **argv) { + void *handle; + int (*test)(int); + char *error; + + handle = dlopen ("liblibdl-simple.so", RTLD_LAZY); + if (!handle) { + fputs (dlerror(), stderr); + exit(1); + } + + test = dlsym(handle, "test_libdl"); + if ((error = dlerror()) != NULL) { + fputs(error, stderr); + exit(1); + } + + printf("%d\n", test(5)); + dlclose(handle); +} diff --git a/testsuite/ltrace.minor/libdl-simple.exp b/testsuite/ltrace.minor/libdl-simple.exp new file mode 100644 index 0000000..bb1b826 --- /dev/null +++ b/testsuite/ltrace.minor/libdl-simple.exp @@ -0,0 +1,36 @@ +set testfile "libdl-simple" +set srcfile ${testfile}.c +set binfile ${testfile} +set libfile "libdl-simple-lib" +set libsrc $srcdir/$subdir/$libfile.c +set lib_sl $objdir/$subdir/lib$testfile.so + +verbose "compiling source file now....." +if [get_compiler_info $binfile ""] { + return -1 +} + +# Build the shared libraries this test case needs. +if { [ltrace_compile_shlib $libsrc $lib_sl [debug]] != "" + || [ ltrace_compile "${srcdir}/${subdir}/${testfile}.c" "${objdir}/${subdir}/${binfile}" executable {debug shlib=-ldl} ] != "" } { + send_user "Testcase compile failed, so all tests in this file will automatically fail.\n" +} + +# set options for ltrace. +ltrace_options "-x" "test_libdl" + +# Run PUT for ltrace. +set exec_output [ltrace_runtest $objdir/$subdir $objdir/$subdir/$binfile] +verbose "ltrace runtest output: $exec_output\n" + +# Check the output of this program. +if [regexp {ELF from incompatible architecture} $exec_output] { + fail "32-bit ltrace can not perform on 64-bit PUTs and rebuild ltrace in 64 bit mode!" + return +} elseif [ regexp {Couldn't get .hash data} $exec_output ] { + fail "Couldn't get .hash data!" + return +} + +set pattern "test_libdl@liblibdl-simple.so" +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 diff --git a/testsuite/ltrace.minor/print-instruction-pointer.exp b/testsuite/ltrace.minor/print-instruction-pointer.exp index 87cc8f7..039e906 100644 --- a/testsuite/ltrace.minor/print-instruction-pointer.exp +++ b/testsuite/ltrace.minor/print-instruction-pointer.exp @@ -7,14 +7,14 @@ set binfile ${testfile} verbose "compiling source file now....." # Build the shared libraries this test case needs. -if { [ltrace_compile "${srcdir}/${subdir}/${srcfile}" "${srcdir}/${subdir}/${binfile}" executable {debug} ] != "" } { +if { [ltrace_compile "${srcdir}/${subdir}/${srcfile}" "${objdir}/${subdir}/${binfile}" executable {debug} ] != "" } { send_user "Testcase compile failed, so all tests in this file will automatically fail.\n" } # set options for ltrace. ltrace_options "-i" # Run PUT for ltrace. -set exec_output [ltrace_runtest $srcdir/$subdir $srcdir/$subdir/$binfile] +set exec_output [ltrace_runtest $objdir/$subdir $objdir/$subdir/$binfile] # Check the output of this program. verbose "ltrace runtest output: $exec_output\n" @@ -27,7 +27,7 @@ if [regexp {ELF from incompatible architecture} $exec_output] { } # Get the addrss by objdump and sed. -catch "exec sh -c {objdump -d $srcdir/$subdir/$binfile | sed -n '/^\[0-9a-fA-F\]\[0-9a-fA-F\]*
/,/^\[0-9a-fA-F\]\[0-9a-fA-F\]* /,/^\[0-9a-fA-F\]\[0-9a-fA-F\]* = 0 } { # match the line with sleep and extract the spent time in sleep and sleep argument. @@ -61,7 +61,7 @@ if {$FOUND != 1} then { # Verify the time for calling nanosleep. set FOUND 0 -set fd [ open $srcdir/$subdir/$binfile.ltrace r] +set fd [ open $objdir/$subdir/$binfile.ltrace r] while { [gets $fd line] >= 0 } { # match the line with nanosleep and extract spent time and nanosleep argument. if [ regexp {nanosleep.*<([0-9]+\.[0-9]+)>} $line match usec] then { diff --git a/testsuite/ltrace.minor/time-record-tt.exp b/testsuite/ltrace.minor/time-record-tt.exp index 332704a..6094164 100644 --- a/testsuite/ltrace.minor/time-record-tt.exp +++ b/testsuite/ltrace.minor/time-record-tt.exp @@ -6,7 +6,7 @@ set binfile ${testfile}-tt verbose "compiling source file now....." # Build the shared libraries this test case needs. -if { [ ltrace_compile "${srcdir}/${subdir}/${testfile}.c" "${srcdir}/${subdir}/${binfile}" executable {debug} ] != "" } { +if { [ ltrace_compile "${srcdir}/${subdir}/${testfile}.c" "${objdir}/${subdir}/${binfile}" executable {debug} ] != "" } { send_user "Testcase compile failed, so all tests in this file will automatically fail.\n" } @@ -14,7 +14,7 @@ if { [ ltrace_compile "${srcdir}/${subdir}/${testfile}.c" "${srcdir}/${subdir}/ ltrace_options "-tt" # Run PUT for ltrace. -set exec_output [ltrace_runtest $srcdir/$subdir $srcdir/$subdir/$binfile] +set exec_output [ltrace_runtest $objdir/$subdir $objdir/$subdir/$binfile] # Check the output of this program. verbose "ltrace runtest output: $exec_output\n" @@ -27,7 +27,7 @@ if [regexp {ELF from incompatible architecture} $exec_output] { } # Verify the time for calling sleep. -set fd [ open $srcdir/$subdir/$binfile.ltrace r] +set fd [ open $objdir/$subdir/$binfile.ltrace r] set FOUND 0 while { [gets $fd line] >= 0 } { # match the line with sleep and extract the strat time and sleep argument. @@ -72,7 +72,7 @@ close $fd # Verify the time for calling nanosleep. set FOUND 0 -set fd [ open $srcdir/$subdir/$binfile.ltrace r] +set fd [ open $objdir/$subdir/$binfile.ltrace r] while { [gets $fd line] >= 0 } { # match the line with sleep and extract the strat time and sleep argument. if [ regexp {[0-9]+:[0-9]+:([0-9]+)\.([0-9][0-9][0-9]).* nanosleep} $line match start_sec start_usec ] then { diff --git a/testsuite/ltrace.minor/time-record-ttt.exp b/testsuite/ltrace.minor/time-record-ttt.exp index 2aee9d3..4271d0b 100644 --- a/testsuite/ltrace.minor/time-record-ttt.exp +++ b/testsuite/ltrace.minor/time-record-ttt.exp @@ -6,7 +6,7 @@ set binfile ${testfile}-ttt verbose "compiling source file now....." # Build the shared libraries this test case needs. -if { [ ltrace_compile "${srcdir}/${subdir}/${testfile}.c" "${srcdir}/${subdir}/${binfile}" executable {debug} ] != "" } { +if { [ ltrace_compile "${srcdir}/${subdir}/${testfile}.c" "${objdir}/${subdir}/${binfile}" executable {debug} ] != "" } { send_user "Testcase compile failed, so all tests in this file will automatically fail.\n" } @@ -14,7 +14,7 @@ if { [ ltrace_compile "${srcdir}/${subdir}/${testfile}.c" "${srcdir}/${subdir}/ ltrace_options "-ttt" # Run PUT for ltrace. -set exec_output [ltrace_runtest $srcdir/$subdir $srcdir/$subdir/$binfile] +set exec_output [ltrace_runtest $objdir/$subdir $objdir/$subdir/$binfile] # Check the output of this program. @@ -28,7 +28,7 @@ if [regexp {ELF from incompatible architecture} $exec_output] { } # Verify the time for calling sleep. -set fd [ open $srcdir/$subdir/$binfile.ltrace r] +set fd [ open $objdir/$subdir/$binfile.ltrace r] set FOUND 0 while { [gets $fd line] >= 0 } { # match the line with sleep and extract the strat time and sleep argument. @@ -76,7 +76,7 @@ close $fd # Verify the time for calling nanosleep. set FOUND 0 -set fd [ open $srcdir/$subdir/$binfile.ltrace r] +set fd [ open $objdir/$subdir/$binfile.ltrace r] while { [gets $fd line] >= 0 } { # match the line with sleep and extract the strat time and sleep argument. if [ regexp {([0-9]+)\.([0-9][0-9][0-9]).* nanosleep} $line match start_sec start_usec ] then { diff --git a/testsuite/ltrace.minor/trace-clone.c b/testsuite/ltrace.minor/trace-clone.c index a1ccb22..db1936d 100644 --- a/testsuite/ltrace.minor/trace-clone.c +++ b/testsuite/ltrace.minor/trace-clone.c @@ -3,7 +3,7 @@ clone called. This file was written by Yao Qi . */ - +#define _GNU_SOURCE #include #include #include diff --git a/testsuite/ltrace.minor/trace-clone.exp b/testsuite/ltrace.minor/trace-clone.exp index bda036f..3d0c8fe 100644 --- a/testsuite/ltrace.minor/trace-clone.exp +++ b/testsuite/ltrace.minor/trace-clone.exp @@ -7,22 +7,12 @@ set binfile ${testfile} verbose "compiling source file now....." # Build the shared libraries this test case needs. -if { [ ltrace_compile "${srcdir}/${subdir}/${testfile}.c" "${srcdir}/${subdir}/${binfile}" executable {debug} ] != "" } { +if { [ ltrace_compile "${srcdir}/${subdir}/${testfile}.c" "${objdir}/${subdir}/${binfile}" executable {debug} ] != "" } { send_user "Testcase compile failed, so all tests in this file will automatically fail.\n" } -global LTRACE -#Run PUT for ltrace. -spawn $LTRACE -f $srcdir/$subdir/$binfile -set timeout 4 -expect timeout { - fail "Time out! Maybe caused by ltrace segment fault or improper timeout value here!" - return -} - -catch "exec $LTRACE -f $srcdir/$subdir/$binfile" exec_output -# Save the output -ltrace_saveoutput "${exec_output}" ${srcdir}/${subdir}/${testfile}.ltrace +ltrace_options "-f" +set exec_output [ltrace_runtest $objdir/$subdir $objdir/$subdir/$binfile] #check the output of this program. verbose "ltrace runtest output: $exec_output\n" @@ -40,5 +30,5 @@ if [regexp {ELF from incompatible architecture} $exec_output] { set pattern "clone" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern 1 +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 diff --git a/testsuite/ltrace.minor/trace-exec.c b/testsuite/ltrace.minor/trace-exec.c deleted file mode 100644 index e798cde..0000000 --- a/testsuite/ltrace.minor/trace-exec.c +++ /dev/null @@ -1,8 +0,0 @@ -#include -#include - -int main (int argc, char ** argv) -{ - execl (argv[1], argv[1], NULL); - abort (); -} diff --git a/testsuite/ltrace.minor/trace-exec.exp b/testsuite/ltrace.minor/trace-exec.exp index c9de6f3..7a953de 100644 --- a/testsuite/ltrace.minor/trace-exec.exp +++ b/testsuite/ltrace.minor/trace-exec.exp @@ -1,45 +1,37 @@ -set testfile "trace-exec" -set srcfile ${testfile}.c -set binfile ${testfile} - -verbose "compiling first source file now....." -if { [ ltrace_compile "${srcdir}/${subdir}/${testfile}.c" "${srcdir}/${subdir}/${binfile}" executable {debug} ] != "" } { - send_user "Testcase compile failed, so all tests in this file will automatically fail.\n" -} - -verbose "compiling second source file now....." -if { [ ltrace_compile "${srcdir}/${subdir}/${testfile}1.c" "${srcdir}/${subdir}/${binfile}1" executable {debug} ] != "" } { - send_user "Testcase compile failed, so all tests in this file will automatically fail.\n" -} - -global LTRACE -set exec_output "" - -#Run PUT for ltrace. -spawn $LTRACE $srcdir/$subdir/$testfile $srcdir/$subdir/${testfile}1 -set timeout 4 -expect timeout { - fail "Time out! Maybe caused by ltrace segment fault or improper timeout value here!" - return +# This file is part of ltrace. +# Copyright (C) 2012 Petr Machata, Red Hat Inc. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA + +ltraceMatch [ltraceRun -xmain -- [ltraceCompile {} [ltraceSource c { + #include + #include + int main(int argc, char ** argv) { + execl(argv[1], argv[1], NULL); + abort(); + } +}]] [ltraceCompile {} [ltraceSource c { + #include + int main(void) { + return puts("Hello, World."); + } +}]]] { + {{^execl\(} == 1} + {{^puts\(.*\) .*= 14} == 1} + {{^main\(} == 2} } -catch "exec $LTRACE $srcdir/$subdir/$testfile $srcdir/$subdir/${testfile}1" exec_output - -#check the output of this program. -verbose "ltrace runtest output: $exec_output\n" -if [regexp {ELF from incompatible architecture} $exec_output] { - fail "32-bit ltrace can not perform on 64-bit PUTs and rebuild ltrace in 64 bit mode!" - return -} elseif [ regexp {Couldn't get .hash data} $exec_output ] { - fail "Couldn't get .hash data!" - return -} - -ltrace_saveoutput "${exec_output}" ${srcdir}/${subdir}/${testfile}.ltrace - -# execl from first binary -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace {"^execl"} 1 -# puts from second binary -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace {"^puts"} 1 -# assume glibc and see we really trace both binaries -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace {"^__libc_start_main"} 2 +ltraceDone diff --git a/testsuite/ltrace.minor/trace-exec1.c b/testsuite/ltrace.minor/trace-exec1.c deleted file mode 100644 index e234fa0..0000000 --- a/testsuite/ltrace.minor/trace-exec1.c +++ /dev/null @@ -1,6 +0,0 @@ -#include -int main (void) -{ - puts("Hello, World."); - return 0; -} diff --git a/testsuite/ltrace.minor/trace-fork.c b/testsuite/ltrace.minor/trace-fork.c index a2d8a56..c5f0c71 100644 --- a/testsuite/ltrace.minor/trace-fork.c +++ b/testsuite/ltrace.minor/trace-fork.c @@ -21,7 +21,7 @@ main () pid = fork (); if (pid == -1) - printf("fork failed!\n"); + puts("fork failed!"); else if (pid == 0) child(); else diff --git a/testsuite/ltrace.minor/trace-fork.exp b/testsuite/ltrace.minor/trace-fork.exp index 5f30061..70815f5 100644 --- a/testsuite/ltrace.minor/trace-fork.exp +++ b/testsuite/ltrace.minor/trace-fork.exp @@ -7,21 +7,12 @@ set binfile ${testfile} verbose "compiling source file now....." # Build the shared libraries this test case needs. -if { [ ltrace_compile "${srcdir}/${subdir}/${testfile}.c" "${srcdir}/${subdir}/${binfile}" executable {debug} ] != "" } { +if { [ ltrace_compile "${srcdir}/${subdir}/${testfile}.c" "${objdir}/${subdir}/${binfile}" executable {debug} ] != "" } { send_user "Testcase compile failed, so all tests in this file will automatically fail.\n" } -global LTRACE -set exec_output "" - -#Run PUT for ltrace. -spawn $LTRACE -f $srcdir/$subdir/$binfile -set timeout 4 -expect timeout { - fail "Time out! Maybe caused by ltrace segment fault or improper timeout value here!" - return -} -catch "exec $LTRACE -f $srcdir/$subdir/$binfile" exec_output +ltrace_options "-f" +set exec_output [ltrace_runtest $objdir/$subdir $objdir/$subdir/$binfile] #check the output of this program. verbose "ltrace runtest output: $exec_output\n" @@ -33,8 +24,22 @@ if [regexp {ELF from incompatible architecture} $exec_output] { return } -ltrace_saveoutput "${exec_output}" ${srcdir}/${subdir}/${testfile}.ltrace +if [ regexp {Cannot attach} $exec_output ] { + fail "Couldn't attach to forked process!" + return +} + +set pattern {^[0-9]* fork} +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern {^[0-9]* printf} +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + +set pattern {^[0-9]* puts} +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 -set pattern "fork" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern 1 +set pattern {^[0-9]* wait} +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 +set pattern {^[0-9]* sleep} +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 diff --git a/testsuite/ltrace.torture/Makefile b/testsuite/ltrace.torture/Makefile.am similarity index 61% rename from testsuite/ltrace.torture/Makefile rename to testsuite/ltrace.torture/Makefile.am index bb4baa0..daa772f 100644 --- a/testsuite/ltrace.torture/Makefile +++ b/testsuite/ltrace.torture/Makefile.am @@ -1,4 +1,4 @@ -# Copyright (C) 1992 - 2001 Free Software Foundation, Inc. +# Copyright (C) 1992 - 2001, 2012 Free Software Foundation, Inc. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by @@ -15,19 +15,17 @@ # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. # -CLEANFILES = *.log *.sum site.bak setval.tmp site.exp +EXTRA_DIST = \ + ia64-sigill.exp \ + ia64-sigill.s \ + ppc-lwarx.c \ + ppc-lwarx.exp \ + signals.c \ + signals.exp \ + vfork-thread.c \ + vfork-thread.exp -.SUFFIXES: -clean: - -rm -f signals - -rm -f *.o *.so - -rm -f *.ltrace - -rm -f $(CLEANFILES) -distclean: clean +CLEANFILES = *.o *.so *.log *.sum *.ltrace setval.tmp \ + signals - -.PHONY: $(RECURSIVE_TARGETS) check clean distclean realclean - -# Tell versions [3.59,3.63) of GNU make to not export all variables. -# Otherwise a system limit (for SysV at least) may be exceeded. -.NOEXPORT: +MAINTAINERCLEANFILES = Makefile.in diff --git a/testsuite/ltrace.torture/Makefile.in b/testsuite/ltrace.torture/Makefile.in new file mode 100644 index 0000000..b0ff505 --- /dev/null +++ b/testsuite/ltrace.torture/Makefile.in @@ -0,0 +1,400 @@ +# Makefile.in generated by automake 1.11.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, +# Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# Copyright (C) 1992 - 2001, 2012 Free Software Foundation, Inc. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 1, or (at your option) +# any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +# +VPATH = @srcdir@ +pkgdatadir = $(datadir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkglibexecdir = $(libexecdir)/@PACKAGE@ +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = $(program_transform_name) +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : +NORMAL_UNINSTALL = : +PRE_UNINSTALL = : +POST_UNINSTALL = : +build_triplet = @build@ +host_triplet = @host@ +subdir = testsuite/ltrace.torture +DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in +ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 +am__aclocal_m4_deps = 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maintainer-clean \ + maintainer-clean-generic mostlyclean mostlyclean-generic \ + mostlyclean-libtool pdf pdf-am ps ps-am uninstall uninstall-am + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/testsuite/ltrace.torture/ppc-lwarx.c b/testsuite/ltrace.torture/ppc-lwarx.c new file mode 100644 index 0000000..0716407 --- /dev/null +++ b/testsuite/ltrace.torture/ppc-lwarx.c @@ -0,0 +1,44 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2012 Petr Machata, Red Hat Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include + +__attribute__((noinline, optimize(3))) void +atomic_add(uint32_t *a, uint32_t b) +{ + __asm__ volatile("lwarx 9,0,%0\n" + "add 9,9,%2\n" + "stwcx. 9,0,%0\n" + "bne- atomic_add\n" + : "=r"(a) + : "0"(a), "r"(b) + : "%r9"); +} + +uint32_t a = 0; + +__attribute__((optimize(0))) int +main(int argc, char **argv) +{ + atomic_add(&a, 5); + atomic_add(&a, 10); + atomic_add(&a, 15); + return a; +} diff --git a/testsuite/ltrace.torture/ppc-lwarx.exp b/testsuite/ltrace.torture/ppc-lwarx.exp new file mode 100644 index 0000000..bc2eba4 --- /dev/null +++ b/testsuite/ltrace.torture/ppc-lwarx.exp @@ -0,0 +1,55 @@ +# This file is part of ltrace. +# Copyright (C) 2012 Petr Machata, Red Hat Inc. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA + +set testfile "ppc-lwarx" +set srcfile ${testfile}.c +set binfile ${testfile} + +if [get_compiler_info $binfile] { + return -1 +} + +if { [istarget powerpc*-*] } then { + verbose "compiling source file now....." + if { [ltrace_compile $srcdir/$subdir/$srcfile $objdir/$subdir/$binfile executable {debug} ] != "" } { + send_user "Testcase compile failed, so all tests in this file will automatically fail\n." + } + + # set options for ltrace. + ltrace_options "-x" "atomic_add" "-e" "!atoi" + + # Run PUT for ltarce. + set exec_output [ltrace_runtest $objdir/$subdir $objdir/$subdir/$binfile] + + # Check the output of this program. + verbose "ltrace runtest output: $exec_output\n" + if [regexp {ELF from incompatible architecture} $exec_output] { + fail "32-bit ltrace can not perform on 64-bit PUTs and rebuild ltrace in 64 bit mode!" + return + } elseif [ regexp {Couldn't get .hash data} $exec_output ] { + fail "Couldn't get .hash data!" + return + } + + set pattern "atomic_add(.*, 5,.*)" + ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + set pattern "atomic_add(.*, 10,.*)" + ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 + set pattern "atomic_add(.*, 15,.*)" + ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 +} diff --git a/testsuite/ltrace.torture/signals.c b/testsuite/ltrace.torture/signals.c index 439aba1..b786c81 100644 --- a/testsuite/ltrace.torture/signals.c +++ b/testsuite/ltrace.torture/signals.c @@ -23,7 +23,7 @@ main () pid_t pid; mysigval.sival_int=0; - sig = 10; + sig = SIGUSR1; pid=getpid(); sigemptyset(&act.sa_mask); diff --git a/testsuite/ltrace.torture/signals.exp b/testsuite/ltrace.torture/signals.exp index 56a2ec9..bf10bc9 100644 --- a/testsuite/ltrace.torture/signals.exp +++ b/testsuite/ltrace.torture/signals.exp @@ -7,7 +7,7 @@ set binfile ${testfile} verbose "compiling source file now....." # Build the shared libraries this test case needs. -if { [ ltrace_compile "${srcdir}/${subdir}/${testfile}.c" "${srcdir}/${subdir}/${binfile}" executable {debug} ] != "" } { +if { [ ltrace_compile "${srcdir}/${subdir}/${testfile}.c" "${objdir}/${subdir}/${binfile}" executable {debug} ] != "" } { send_user "Testcase compile failed, so all tests in this file will automatically fail\n." } @@ -15,7 +15,7 @@ if { [ ltrace_compile "${srcdir}/${subdir}/${testfile}.c" "${srcdir}/${subdir}/ ltrace_options "-L" # Run PUT for ltarce. -set exec_output [ltrace_runtest $srcdir/$subdir $srcdir/$subdir/$binfile] +set exec_output [ltrace_runtest $objdir/$subdir $objdir/$subdir/$binfile] # Check the output of this program. verbose "ltrace runtest output: $exec_output\n" @@ -33,5 +33,5 @@ while { [gets $fd line] >= 0 } { regexp {define LOOP.*([0-9]+)} $line match count } set pattern "SIGUSR1" -ltrace_verify_output ${srcdir}/${subdir}/${testfile}.ltrace $pattern $count +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern $count diff --git a/testsuite/ltrace.torture/vfork-thread.c b/testsuite/ltrace.torture/vfork-thread.c new file mode 100644 index 0000000..f909bd3 --- /dev/null +++ b/testsuite/ltrace.torture/vfork-thread.c @@ -0,0 +1,50 @@ +#include +#include +#include +#include + + +void * +routine (void *data) +{ + int i; + for (i = 0; i < 6; ++i) + { + puts ("bleble"); + sleep (1); + } +} + + +void * +routine2 (void *data) +{ + pid_t child = vfork (); + if (child == 0) + { + int i, j; + puts ("vforked"); + for (i = 0; i < 100000; ++i) + for (j = 0; j < 10000; ++j) + ; + puts ("vforked child exiting"); + _exit (0); + } + puts ("parent continuing"); + return NULL; +} + +int +main(int argc, char *argv[]) +{ + pthread_t thread; + pthread_create (&thread, NULL, &routine, NULL); + + sleep (1); + + pthread_t thread2; + pthread_create (&thread2, NULL, &routine2, NULL); + pthread_join (thread2, NULL); + pthread_join (thread, NULL); + return 0; +} diff --git a/testsuite/ltrace.torture/vfork-thread.exp b/testsuite/ltrace.torture/vfork-thread.exp new file mode 100644 index 0000000..bd01319 --- /dev/null +++ b/testsuite/ltrace.torture/vfork-thread.exp @@ -0,0 +1,32 @@ +# This file was written by Yao Qi . + +set testfile "vfork-thread" +set srcfile ${testfile}.c +set binfile ${testfile} + + +verbose "compiling source file now....." +# Build the shared libraries this test case needs. +if { [ ltrace_compile "${srcdir}/${subdir}/${testfile}.c" "${objdir}/${subdir}/${binfile}" executable [list debug ldflags=-pthread] ] != "" } { + send_user "Testcase compile failed, so all tests in this file will automatically fail\n." +} + +ltrace_options "-f" + +# Run PUT for ltarce. +set exec_output [ltrace_runtest $objdir/$subdir $objdir/$subdir/$binfile] + +# Check the output of this program. +verbose "ltrace runtest output: $exec_output\n" +if [regexp {ELF from incompatible architecture} $exec_output] { + fail "32-bit ltrace can not perform on 64-bit PUTs and rebuild ltrace in 64 bit mode!" + return +} elseif [ regexp {Couldn't get .hash data} $exec_output ] { + fail "Couldn't get .hash data!" + return +} + +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace "puts" 9 +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace "sleep" 7 +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace "vfork resumed" 2 +ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace "_exit" 1 diff --git a/type.c b/type.c new file mode 100644 index 0000000..3ce8563 --- /dev/null +++ b/type.c @@ -0,0 +1,570 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011,2012 Petr Machata, Red Hat Inc. + * Copyright (C) 2007,2008 Juan Cespedes + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include +#include +#include + +#include "type.h" +#include "sysdep.h" +#include "expr.h" +#include "lens.h" + +struct arg_type_info * +type_get_simple(enum arg_type type) +{ +#define HANDLE(T) { \ + static struct arg_type_info t = { T }; \ + case T: \ + return &t; \ + } + + switch (type) { + HANDLE(ARGTYPE_VOID) + HANDLE(ARGTYPE_INT) + HANDLE(ARGTYPE_UINT) + HANDLE(ARGTYPE_LONG) + HANDLE(ARGTYPE_ULONG) + HANDLE(ARGTYPE_CHAR) + HANDLE(ARGTYPE_SHORT) + HANDLE(ARGTYPE_USHORT) + HANDLE(ARGTYPE_FLOAT) + HANDLE(ARGTYPE_DOUBLE) + +#undef HANDLE + + case ARGTYPE_ARRAY: + case ARGTYPE_STRUCT: + case ARGTYPE_POINTER: + assert(!"Not a simple type!"); + }; + abort(); +} + +static void +type_init_common(struct arg_type_info *info, enum arg_type type) +{ + info->type = type; + info->lens = NULL; + info->own_lens = 0; +} + +struct struct_field { + struct arg_type_info *info; + int own_info; +}; + +void +type_init_struct(struct arg_type_info *info) +{ + type_init_common(info, ARGTYPE_STRUCT); + VECT_INIT(&info->u.entries, struct struct_field); +} + +int +type_struct_add(struct arg_type_info *info, + struct arg_type_info *field_info, int own) +{ + assert(info->type == ARGTYPE_STRUCT); + struct struct_field field = { field_info, own }; + return VECT_PUSHBACK(&info->u.entries, &field); +} + +struct arg_type_info * +type_struct_get(struct arg_type_info *info, size_t idx) +{ + assert(info->type == ARGTYPE_STRUCT); + struct struct_field *field = VECT_ELEMENT(&info->u.entries, + struct struct_field, idx); + if (field == NULL) + return NULL; + return field->info; +} + +size_t +type_struct_size(struct arg_type_info *info) +{ + assert(info->type == ARGTYPE_STRUCT); + return vect_size(&info->u.entries); +} + +static void +struct_field_dtor(struct struct_field *field, void *data) +{ + if (field->own_info) { + type_destroy(field->info); + free(field->info); + } +} + +static void +type_struct_destroy(struct arg_type_info *info) +{ + VECT_DESTROY(&info->u.entries, struct struct_field, + struct_field_dtor, NULL); +} + +static int +layout_struct(struct Process *proc, struct arg_type_info *info, + size_t *sizep, size_t *alignmentp, size_t *offsetofp) +{ + size_t sz = 0; + size_t max_alignment = 0; + size_t i; + size_t offsetof_field = (size_t)-1; + if (offsetofp != NULL) + offsetof_field = *offsetofp; + + assert(info->type == ARGTYPE_STRUCT); + for (i = 0; i < vect_size(&info->u.entries); ++i) { + struct struct_field *field + = VECT_ELEMENT(&info->u.entries, + struct struct_field, i); + + size_t alignment = type_alignof(proc, field->info); + if (alignment == (size_t)-1) + return -1; + + /* Add padding to SZ to align the next element. */ + sz = align(sz, alignment); + if (i == offsetof_field) { + *offsetofp = sz; + if (sizep == NULL && alignmentp == NULL) + return 0; + } + + size_t size = type_sizeof(proc, field->info); + if (size == (size_t)-1) + return -1; + sz += size; + + if (alignment > max_alignment) + max_alignment = alignment; + } + + if (max_alignment > 0) + sz = align(sz, max_alignment); + + if (sizep != NULL) + *sizep = sz; + + if (alignmentp != NULL) + *alignmentp = max_alignment; + + return 0; +} + +void +type_init_array(struct arg_type_info *info, + struct arg_type_info *element_info, int own_info, + struct expr_node *length_expr, int own_length) +{ + type_init_common(info, ARGTYPE_ARRAY); + info->u.array_info.elt_type = element_info; + info->u.array_info.own_info = own_info; + info->u.array_info.length = length_expr; + info->u.array_info.own_length = own_length; +} + +static void +type_array_destroy(struct arg_type_info *info) +{ + if (info->u.array_info.own_info) { + type_destroy(info->u.array_info.elt_type); + free(info->u.array_info.elt_type); + } + if (info->u.array_info.own_length) { + expr_destroy(info->u.array_info.length); + free(info->u.array_info.length); + } +} + +void +type_init_pointer(struct arg_type_info *info, + struct arg_type_info *pointee_info, int own_info) +{ + type_init_common(info, ARGTYPE_POINTER); + info->u.ptr_info.info = pointee_info; + info->u.ptr_info.own_info = own_info; +} + +static void +type_pointer_destroy(struct arg_type_info *info) +{ + if (info->u.ptr_info.own_info) { + type_destroy(info->u.ptr_info.info); + free(info->u.ptr_info.info); + } +} + +void +type_destroy(struct arg_type_info *info) +{ + if (info == NULL) + return; + + switch (info->type) { + case ARGTYPE_STRUCT: + type_struct_destroy(info); + break; + + case ARGTYPE_ARRAY: + type_array_destroy(info); + break; + + case ARGTYPE_POINTER: + type_pointer_destroy(info); + break; + + case ARGTYPE_VOID: + case ARGTYPE_INT: + case ARGTYPE_UINT: + case ARGTYPE_LONG: + case ARGTYPE_ULONG: + case ARGTYPE_CHAR: + case ARGTYPE_SHORT: + case ARGTYPE_USHORT: + case ARGTYPE_FLOAT: + case ARGTYPE_DOUBLE: + break; + } + + if (info->own_lens) { + lens_destroy(info->lens); + free(info->lens); + } +} + +#ifdef ARCH_HAVE_SIZEOF +size_t arch_type_sizeof(struct Process *proc, struct arg_type_info * arg); +#else +size_t +arch_type_sizeof(struct Process *proc, struct arg_type_info * arg) +{ + /* Use default value. */ + return (size_t)-2; +} +#endif + +#ifdef ARCH_HAVE_ALIGNOF +size_t arch_type_alignof(struct Process *proc, struct arg_type_info * arg); +#else +size_t +arch_type_alignof(struct Process *proc, struct arg_type_info * arg) +{ + /* Use default value. */ + return (size_t)-2; +} +#endif + +/* We need to support alignments that are not power of two. E.g. long + * double on x86 has alignment of 12. */ +size_t +align(size_t sz, size_t alignment) +{ + assert(alignment != 0); + + if ((sz % alignment) != 0) + sz = ((sz / alignment) + 1) * alignment; + + return sz; +} + +size_t +type_sizeof(struct Process *proc, struct arg_type_info *type) +{ + size_t arch_size = arch_type_sizeof(proc, type); + if (arch_size != (size_t)-2) + return arch_size; + + switch (type->type) { + size_t size; + case ARGTYPE_CHAR: + return sizeof(char); + + case ARGTYPE_SHORT: + case ARGTYPE_USHORT: + return sizeof(short); + + case ARGTYPE_INT: + case ARGTYPE_UINT: + return sizeof(int); + + case ARGTYPE_LONG: + case ARGTYPE_ULONG: + return sizeof(long); + + case ARGTYPE_FLOAT: + return sizeof(float); + + case ARGTYPE_DOUBLE: + return sizeof(double); + + case ARGTYPE_STRUCT: + if (layout_struct(proc, type, &size, NULL, NULL) < 0) + return (size_t)-1; + return size; + + case ARGTYPE_POINTER: + return sizeof(void *); + + case ARGTYPE_ARRAY: + if (expr_is_compile_constant(type->u.array_info.length)) { + long l; + if (expr_eval_constant(type->u.array_info.length, + &l) < 0) + return -1; + + struct arg_type_info *elt_ti + = type->u.array_info.elt_type; + + size_t elt_size = type_sizeof(proc, elt_ti); + if (elt_size == (size_t)-1) + return (size_t)-1; + + return ((size_t)l) * elt_size; + + } else { + /* Flexible arrays don't count into the + * sizeof. */ + return 0; + } + + case ARGTYPE_VOID: + return 0; + } + + abort(); +} + +#undef alignof +#define alignof(field,st) ((size_t) ((char*) &st.field - (char*) &st)) + +size_t +type_alignof(struct Process *proc, struct arg_type_info *type) +{ + size_t arch_alignment = arch_type_alignof(proc, type); + if (arch_alignment != (size_t)-2) + return arch_alignment; + + struct { char c; char C; } cC; + struct { char c; short s; } cs; + struct { char c; int i; } ci; + struct { char c; long l; } cl; + struct { char c; void* p; } cp; + struct { char c; float f; } cf; + struct { char c; double d; } cd; + + static size_t char_alignment = alignof(C, cC); + static size_t short_alignment = alignof(s, cs); + static size_t int_alignment = alignof(i, ci); + static size_t long_alignment = alignof(l, cl); + static size_t ptr_alignment = alignof(p, cp); + static size_t float_alignment = alignof(f, cf); + static size_t double_alignment = alignof(d, cd); + + switch (type->type) { + size_t alignment; + case ARGTYPE_LONG: + case ARGTYPE_ULONG: + return long_alignment; + case ARGTYPE_CHAR: + return char_alignment; + case ARGTYPE_SHORT: + case ARGTYPE_USHORT: + return short_alignment; + case ARGTYPE_FLOAT: + return float_alignment; + case ARGTYPE_DOUBLE: + return double_alignment; + case ARGTYPE_POINTER: + return ptr_alignment; + + case ARGTYPE_ARRAY: + return type_alignof(proc, type->u.array_info.elt_type); + + case ARGTYPE_STRUCT: + if (layout_struct(proc, type, NULL, &alignment, NULL) < 0) + return (size_t)-1; + return alignment; + + default: + return int_alignment; + } +} + +size_t +type_offsetof(struct Process *proc, struct arg_type_info *type, size_t emt) +{ + assert(type->type == ARGTYPE_STRUCT + || type->type == ARGTYPE_ARRAY); + + switch (type->type) { + size_t alignment; + size_t size; + case ARGTYPE_ARRAY: + alignment = type_alignof(proc, type->u.array_info.elt_type); + if (alignment == (size_t)-1) + return (size_t)-1; + + size = type_sizeof(proc, type->u.array_info.elt_type); + if (size == (size_t)-1) + return (size_t)-1; + + return emt * align(size, alignment); + + case ARGTYPE_STRUCT: + if (layout_struct(proc, type, NULL, NULL, &emt) < 0) + return (size_t)-1; + return emt; + + default: + abort(); + } +} + +struct arg_type_info * +type_element(struct arg_type_info *info, size_t emt) +{ + assert(info->type == ARGTYPE_STRUCT + || info->type == ARGTYPE_ARRAY); + + switch (info->type) { + case ARGTYPE_ARRAY: + return info->u.array_info.elt_type; + + case ARGTYPE_STRUCT: + assert(emt < type_struct_size(info)); + return type_struct_get(info, emt); + + default: + abort(); + } +} + +size_t +type_aggregate_size(struct arg_type_info *info) +{ + assert(info->type == ARGTYPE_STRUCT + || info->type == ARGTYPE_ARRAY); + + switch (info->type) { + long ret; + case ARGTYPE_ARRAY: + if (expr_eval_constant(info->u.array_info.length, &ret) < 0) + return (size_t)-1; + return (size_t)ret; + + case ARGTYPE_STRUCT: + return type_struct_size(info); + + default: + abort(); + } +} + +int +type_is_integral(enum arg_type type) +{ + switch (type) { + case ARGTYPE_INT: + case ARGTYPE_UINT: + case ARGTYPE_LONG: + case ARGTYPE_ULONG: + case ARGTYPE_CHAR: + case ARGTYPE_SHORT: + case ARGTYPE_USHORT: + return 1; + + case ARGTYPE_VOID: + case ARGTYPE_FLOAT: + case ARGTYPE_DOUBLE: + case ARGTYPE_ARRAY: + case ARGTYPE_STRUCT: + case ARGTYPE_POINTER: + return 0; + } + abort(); +} + +int +type_is_signed(enum arg_type type) +{ + assert(type_is_integral(type)); + + switch (type) { + case ARGTYPE_CHAR: + return CHAR_MIN != 0; + + case ARGTYPE_SHORT: + case ARGTYPE_INT: + case ARGTYPE_LONG: + return 1; + + case ARGTYPE_UINT: + case ARGTYPE_ULONG: + case ARGTYPE_USHORT: + return 0; + + case ARGTYPE_VOID: + case ARGTYPE_FLOAT: + case ARGTYPE_DOUBLE: + case ARGTYPE_ARRAY: + case ARGTYPE_STRUCT: + case ARGTYPE_POINTER: + abort(); + } + abort(); +} + +struct arg_type_info * +type_get_fp_equivalent(struct arg_type_info *info) +{ + /* Extract innermost structure. Give up early if any + * component has more than one element. */ + while (info->type == ARGTYPE_STRUCT) { + if (type_struct_size(info) != 1) + return NULL; + info = type_element(info, 0); + } + + switch (info->type) { + case ARGTYPE_CHAR: + case ARGTYPE_SHORT: + case ARGTYPE_INT: + case ARGTYPE_LONG: + case ARGTYPE_UINT: + case ARGTYPE_ULONG: + case ARGTYPE_USHORT: + case ARGTYPE_VOID: + case ARGTYPE_ARRAY: + case ARGTYPE_POINTER: + return NULL; + + case ARGTYPE_FLOAT: + case ARGTYPE_DOUBLE: + return info; + + case ARGTYPE_STRUCT: + abort(); + } + abort(); +} diff --git a/type.h b/type.h new file mode 100644 index 0000000..e8dec71 --- /dev/null +++ b/type.h @@ -0,0 +1,145 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011,2012 Petr Machata, Red Hat Inc. + * Copyright (C) 1997-2009 Juan Cespedes + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#ifndef TYPE_H +#define TYPE_H + +#include +#include "forward.h" +#include "vect.h" + +enum arg_type { + ARGTYPE_VOID, + ARGTYPE_INT, + ARGTYPE_UINT, + ARGTYPE_LONG, + ARGTYPE_ULONG, + ARGTYPE_CHAR, + ARGTYPE_SHORT, + ARGTYPE_USHORT, + ARGTYPE_FLOAT, + ARGTYPE_DOUBLE, + ARGTYPE_ARRAY, /* Series of values in memory */ + ARGTYPE_STRUCT, /* Structure of values */ + ARGTYPE_POINTER, /* Pointer to some other type */ +}; + +struct arg_type_info { + enum arg_type type; + union { + struct vect entries; + + /* ARGTYPE_ARRAY */ + struct { + struct arg_type_info *elt_type; + struct expr_node *length; + int own_info:1; + int own_length:1; + } array_info; + + /* ARGTYPE_POINTER */ + struct { + struct arg_type_info *info; + int own_info:1; + } ptr_info; + } u; + + struct lens *lens; + int own_lens; +}; + +/* Return a type info for simple type TYPE (which shall not be array, + * struct, or pointer. Each call with the same TYPE yields the same + * arg_type_info pointer. */ +struct arg_type_info *type_get_simple(enum arg_type type); + +/* Initialize INFO so it becomes ARGTYPE_STRUCT. The created + * structure contains no fields. Use type_struct_add to populate the + * structure. */ +void type_init_struct(struct arg_type_info *info); + +/* Add a new field of type FIELD_INFO to a structure INFO. If OWN, + * the field type is owned and destroyed together with INFO. */ +int type_struct_add(struct arg_type_info *info, + struct arg_type_info *field_info, int own); + +/* Get IDX-th field of structure type INFO. */ +struct arg_type_info *type_struct_get(struct arg_type_info *info, size_t idx); + +/* Return number of fields of structure type INFO. */ +size_t type_struct_size(struct arg_type_info *info); + +/* Return number of elements of an aggregate type INFO. This can be + * either ARGTYPE_STRUCT or ARGTYPE_ARRAY of constant length. If + * ARGTYPE_ARRAY does not have a constant length, this returns -1. */ +size_t type_aggregate_size(struct arg_type_info *info); + +/* Initialize INFO so it becomes ARGTYPE_ARRAY. The element type is + * passed in ELEMENT_INFO, and array length in LENGTH_EXPR. If, + * respectively, OWN_INFO and OWN_LENGTH are true, the pointee and + * length are owned and destroyed together with INFO. */ +void type_init_array(struct arg_type_info *info, + struct arg_type_info *element_info, int own_info, + struct expr_node *length_expr, int own_length); + +/* Initialize INFO so it becomes ARGTYPE_POINTER. The pointee type is + * passed in POINTEE_INFO. If OWN_INFO, the pointee type is owned and + * destroyed together with INFO. */ +void type_init_pointer(struct arg_type_info *info, + struct arg_type_info *pointee_info, int own_info); + +/* Release any memory associated with INFO. Doesn't free INFO + * itself. */ +void type_destroy(struct arg_type_info *info); + +/* Compute a size of given type. Return (size_t)-1 for error. */ +size_t type_sizeof(struct Process *proc, struct arg_type_info *type); + +/* Compute an alignment necessary for elements of this type. Return + * (size_t)-1 for error. */ +size_t type_alignof(struct Process *proc, struct arg_type_info *type); + +/* Align value SZ to ALIGNMENT and return the result. */ +size_t align(size_t sz, size_t alignment); + +/* Return ELT-th element of compound type TYPE. This is useful for + * arrays and structures. */ +struct arg_type_info *type_element(struct arg_type_info *type, size_t elt); + +/* Compute an offset of EMT-th element of type TYPE. This works for + * arrays and structures. Return (size_t)-1 for error. */ +size_t type_offsetof(struct Process *proc, + struct arg_type_info *type, size_t elt); + +/* Whether TYPE is an integral type as defined by the C standard. */ +int type_is_integral(enum arg_type type); + +/* Whether TYPE, which shall be integral, is a signed type. */ +int type_is_signed(enum arg_type type); + +/* If INFO is floating point equivalent type, return the corresponding + * floating point type. Otherwise return NULL. Floating point + * equivalent types are either ARGTYPE_FLOAT, or ARGTYPE_DOUBLE, or + * ARGTYPE_STRUCT whose sole member is a floating point equivalent + * type. */ +struct arg_type_info *type_get_fp_equivalent(struct arg_type_info *info); + +#endif /* TYPE_H */ diff --git a/value.c b/value.c new file mode 100644 index 0000000..f7950da --- /dev/null +++ b/value.c @@ -0,0 +1,485 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011,2012 Petr Machata, Red Hat Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include +#include +#include + +#include "value.h" +#include "type.h" +#include "common.h" +#include "expr.h" +#include "backend.h" + +static void +value_common_init(struct value *valp, struct Process *inferior, + struct value *parent, struct arg_type_info *type, + int own_type) +{ + valp->type = type; + valp->own_type = own_type; + valp->inferior = inferior; + memset(&valp->u, 0, sizeof(valp->u)); + valp->where = VAL_LOC_NODATA; + valp->parent = parent; + valp->size = (size_t)-1; +} + +void +value_init(struct value *valp, struct Process *inferior, struct value *parent, + struct arg_type_info *type, int own_type) +{ + assert(inferior != NULL); + value_common_init(valp, inferior, parent, type, own_type); +} + +void +value_init_detached(struct value *valp, struct value *parent, + struct arg_type_info *type, int own_type) +{ + value_common_init(valp, NULL, parent, type, own_type); +} + +void +value_set_type(struct value *value, struct arg_type_info *type, int own_type) +{ + if (value->own_type) { + type_destroy(value->type); + free(value->type); + } + value->type = type; + value->own_type = own_type; +} + +void +value_take_type(struct value *value, struct arg_type_info **type, + int *own_type) +{ + *type = value->type; + *own_type = value->own_type; + value->own_type = 0; +} + +void +value_release(struct value *val) +{ + if (val == NULL) + return; + if (val->where == VAL_LOC_COPY) { + free(val->u.address); + val->where = VAL_LOC_NODATA; + } +} + +void +value_destroy(struct value *val) +{ + if (val == NULL) + return; + value_release(val); + value_set_type(val, NULL, 0); +} + +unsigned char * +value_reserve(struct value *valp, size_t size) +{ + value_release(valp); + + if (size <= sizeof(valp->u.value)) { + valp->where = VAL_LOC_WORD; + valp->u.value = 0; + } else { + valp->where = VAL_LOC_COPY; + valp->u.address = calloc(size, 1); + if (valp->u.address == 0) + return NULL; + } + return value_get_raw_data(valp); +} + +void +value_in_inferior(struct value *valp, arch_addr_t address) +{ + value_release(valp); + valp->where = VAL_LOC_INFERIOR; + valp->u.address = address; +} + +int +value_reify(struct value *val, struct value_dict *arguments) +{ + if (val->where != VAL_LOC_INFERIOR) + return 0; + assert(val->inferior != NULL); + + size_t size = value_size(val, arguments); + if (size == (size_t)-1) + return -1; + + void *data; + enum value_location_t nloc; + if (size <= sizeof(val->u.value)) { + data = &val->u.value; + nloc = VAL_LOC_WORD; + } else { + data = malloc(size); + if (data == NULL) + return -1; + nloc = VAL_LOC_COPY; + } + + if (umovebytes(val->inferior, val->u.inf_address, data, size) < size) { + if (nloc == VAL_LOC_COPY) + free(data); + return -1; + } + + val->where = nloc; + if (nloc == VAL_LOC_COPY) + val->u.address = data; + + return 0; +} + +unsigned char * +value_get_data(struct value *val, struct value_dict *arguments) +{ + if (value_reify(val, arguments) < 0) + return NULL; + return value_get_raw_data(val); +} + +unsigned char * +value_get_raw_data(struct value *val) +{ + switch (val->where) { + case VAL_LOC_INFERIOR: + abort(); + case VAL_LOC_NODATA: + return NULL; + case VAL_LOC_COPY: + case VAL_LOC_SHARED: + return val->u.address; + case VAL_LOC_WORD: + return val->u.buf; + } + + assert(!"Unexpected value of val->where"); + abort(); +} + +int +value_clone(struct value *retp, const struct value *val) +{ + *retp = *val; + if (val->where == VAL_LOC_COPY) { + assert(val->inferior != NULL); + size_t size = type_sizeof(val->inferior, val->type); + if (size == (size_t)-1) + return -1; + + retp->u.address = malloc(size); + if (retp->u.address == NULL) + return -1; + + memcpy(retp->u.address, val->u.address, size); + } + + return 0; +} + +size_t +value_size(struct value *val, struct value_dict *arguments) +{ + if (val->size != (size_t)-1) + return val->size; + + if (val->type->type != ARGTYPE_ARRAY) + return val->size = type_sizeof(val->inferior, val->type); + + struct value length; + if (expr_eval(val->type->u.array_info.length, val, + arguments, &length) < 0) + return (size_t)-1; + + size_t l; + int o = value_extract_word(&length, (long *)&l, arguments); + value_destroy(&length); + + if (o < 0) + return (size_t)-1; + + size_t elt_size = type_sizeof(val->inferior, + val->type->u.array_info.elt_type); + if (elt_size == (size_t)-1) + return (size_t)-1; + + return val->size = elt_size * l; +} + +int +value_init_element(struct value *ret_val, struct value *val, size_t element) +{ + size_t off = type_offsetof(val->inferior, val->type, element); + if (off == (size_t)-1) + return -1; + + struct arg_type_info *e_info = type_element(val->type, element); + if (e_info == NULL) + return -1; + + value_common_init(ret_val, val->inferior, val, e_info, 0); + + switch (val->where) { + case VAL_LOC_COPY: + case VAL_LOC_SHARED: + ret_val->u.address = val->u.address + off; + ret_val->where = VAL_LOC_SHARED; + return 0; + + case VAL_LOC_WORD: + ret_val->u.address = value_get_raw_data(val) + off; + ret_val->where = VAL_LOC_SHARED; + return 0; + + case VAL_LOC_INFERIOR: + ret_val->u.inf_address = val->u.inf_address + off; + ret_val->where = VAL_LOC_INFERIOR; + return 0; + + case VAL_LOC_NODATA: + assert(!"Can't offset NODATA."); + abort(); + } + abort(); +} + +int +value_init_deref(struct value *ret_val, struct value *valp) +{ + assert(valp->type->type == ARGTYPE_POINTER); + + /* Note: extracting a pointer value should not need value_dict + * with function arguments. */ + long l; + if (value_extract_word(valp, &l, NULL) < 0) + return -1; + + /* We need "long" to be long enough to hold platform + * pointers. */ + typedef char assert__long_enough_long[-(sizeof(l) < sizeof(void *))]; + + value_common_init(ret_val, valp->inferior, valp, + valp->type->u.ptr_info.info, 0); + ret_val->u.value = l; /* Set the address. */ + ret_val->where = VAL_LOC_INFERIOR; + return 0; +} + +/* The functions value_extract_buf and value_extract_word assume that + * data in VALUE is stored at the start of the internal buffer. For + * value_extract_buf in particular there's no other reasonable + * default. If we need to copy out four bytes, they need to be the + * bytes pointed to by the buffer pointer. + * + * But actually the situation is similar for value_extract_word as + * well. This function is used e.g. to extract characters from + * strings. Those weren't stored by value_set_word, they might still + * be in client for all we know. So value_extract_word has to assume + * that the whole of data is data is stored at the buffer pointer. + * + * This is a problem on big endian machines, where 2-byte quantity + * carried in 4- or 8-byte long is stored at the end of that long. + * (Though that quantity itself is still big endian.) So we need to + * make a little dance to shift the value to the right part of the + * buffer. */ + +union word_data { + uint8_t u8; + uint16_t u16; + uint32_t u32; + uint64_t u64; + long l; + unsigned char buf[0]; +} u; + +void +value_set_word(struct value *value, long word) +{ + size_t sz = type_sizeof(value->inferior, value->type); + assert(sz != (size_t)-1); + assert(sz <= sizeof(value->u.value)); + + value->where = VAL_LOC_WORD; + + union word_data u = {}; + + switch (sz) { + case 0: + u.l = 0; + break; + case 1: + u.u8 = word; + break; + case 2: + u.u16 = word; + break; + case 4: + u.u32 = word; + break; + case 8: + u.u64 = word; + break; + default: + assert(sz != sz); + abort(); + } + + value->u.value = u.l; +} + +static int +value_extract_buf_sz(struct value *value, unsigned char *tgt, size_t sz, + struct value_dict *arguments) +{ + unsigned char *data = value_get_data(value, arguments); + if (data == NULL) + return -1; + + memcpy(tgt, data, sz); + return 0; +} + +int +value_extract_word(struct value *value, long *retp, + struct value_dict *arguments) +{ + size_t sz = type_sizeof(value->inferior, value->type); + if (sz == (size_t)-1) + return -1; + assert(sz <= sizeof(value->u.value)); + + if (sz == 0) { + *retp = 0; + return 0; + } + + union word_data u = {}; + if (value_extract_buf_sz(value, u.buf, sz, arguments) < 0) + return -1; + + switch (sz) { + case 1: + *retp = (long)u.u8; + return 0; + case 2: + *retp = (long)u.u16; + return 0; + case 4: + *retp = (long)u.u32; + return 0; + case 8: + *retp = (long)u.u64; + return 0; + default: + assert(sz != sz); + abort(); + } +} + +int +value_extract_buf(struct value *value, unsigned char *tgt, + struct value_dict *arguments) +{ + size_t sz = type_sizeof(value->inferior, value->type); + if (sz == (size_t)-1) + return -1; + + return value_extract_buf_sz(value, tgt, sz, arguments); +} + +struct value * +value_get_parental_struct(struct value *val) +{ + struct value *parent; + for (parent = val->parent; parent != NULL; parent = parent->parent) + if (parent->type->type == ARGTYPE_STRUCT) + return parent; + return NULL; +} + +int +value_is_zero(struct value *val, struct value_dict *arguments) +{ + unsigned char *data = value_get_data(val, arguments); + if (data == NULL) + return -1; + size_t sz = type_sizeof(val->inferior, val->type); + if (sz == (size_t)-1) + return -1; + + int zero = 1; + size_t j; + for (j = 0; j < sz; ++j) { + if (data[j] != 0) { + zero = 0; + break; + } + } + return zero; +} + +int +value_equal(struct value *val1, struct value *val2, + struct value_dict *arguments) +{ + size_t sz1 = type_sizeof(val1->inferior, val1->type); + size_t sz2 = type_sizeof(val2->inferior, val2->type); + if (sz1 == (size_t)-1 || sz2 == (size_t)-1) + return -1; + if (sz1 != sz2) + return 0; + + unsigned char *data1 = value_get_data(val1, arguments); + unsigned char *data2 = value_get_data(val2, arguments); + if (data1 == NULL || data2 == NULL) + return -1; + return memcmp(data1, data2, sz1) == 0 ? 1 : 0; +} + +int +value_pass_by_reference(struct value *value) +{ + assert(value != NULL); + assert(value->type->type == ARGTYPE_STRUCT); + + struct arg_type_info *new_info = calloc(sizeof(*new_info), 1); + if (new_info == NULL) + return -1; + + int own; + struct arg_type_info *orig; + value_take_type(value, &orig, &own); + type_init_pointer(new_info, orig, own); + new_info->lens = orig->lens; + value_set_type(value, new_info, 1); + + return 0; +} diff --git a/value.h b/value.h new file mode 100644 index 0000000..795573c --- /dev/null +++ b/value.h @@ -0,0 +1,164 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011,2012 Petr Machata, Red Hat Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#ifndef VALUE_H +#define VALUE_H + +#include "forward.h" +#include "sysdep.h" + +/* Values are objects that capture data fetched from an inferior. + * Typically a value is attached to a single inferior where it was + * extracted from, but it is possible to create a detached value. + * Each value is typed. Values support a number of routines, such as + * dereferencing if the value is of pointer type, array or structure + * access, etc. + * + * A value can be uninitialized, abstract or reified. Abstract values + * are just references into inferior, no transfer has taken place yet. + * Reified values have been copied out of the corresponding inferior, + * or otherwise set to some value. */ + +enum value_location_t { + VAL_LOC_NODATA = 0, /* Uninitialized. */ + VAL_LOC_INFERIOR, /* Value is in the inferior process. */ + VAL_LOC_COPY, /* Value was copied out of the inferior. */ + VAL_LOC_SHARED, /* Like VAL_LOC_COPY, but don't free. */ + VAL_LOC_WORD, /* Like VAL_LOC_COPY, but small enough. */ +}; + +struct value { + struct arg_type_info *type; + struct Process *inferior; + struct value *parent; + size_t size; + union { + void *address; /* VAL_LOC_COPY, VAL_LOC_SHARED */ + arch_addr_t inf_address; /* VAL_LOC_INFERIOR */ + long value; /* VAL_LOC_WORD */ + unsigned char buf[0]; + } u; + enum value_location_t where; + int own_type; +}; + +/* Initialize VALUE. INFERIOR must not be NULL. PARENT is parental + * value, in case of compound types. It may be NULL. TYPE is a type + * of the value. It may be NULL if the type is not yet known. If + * OWN_TYPE, the passed-in type is owned and released by value. */ +void value_init(struct value *value, struct Process *inferior, + struct value *parent, struct arg_type_info *type, + int own_type); + +/* Initialize VALUE. This is like value_init, except that inferior is + * NULL. VALP is initialized as a detached value, without assigned + * process. You have to be careful not to use VAL_LOC_INFERIOR + * values if the value is detached. */ +void value_init_detached(struct value *value, struct value *parent, + struct arg_type_info *type, int own_type); + +/* Set TYPE. This releases old type if it was owned. TYPE is owned + * and released if OWN_TYPE. */ +void value_set_type(struct value *value, + struct arg_type_info *type, int own_type); + +/* Transfers the ownership of VALUE's type, if any, to the caller. + * This doesn't reset the VALUE's type, but gives up ownership if + * there was one. Previous ownership is passed in OWN_TYPE. */ +void value_take_type(struct value *value, + struct arg_type_info **type, int *own_type); + +/* Release the data held by VALP, if any, but not the type. */ +void value_release(struct value *valp); + +/* Value resides in inferior, on given ADDRESS. */ +void value_in_inferior(struct value *valp, arch_addr_t address); + +/* Destroy the value. This is like value_release, but it additionally + * frees the value type, if it's own_type. It doesn't free the VAL + * pointer itself. */ +void value_destroy(struct value *val); + +/* Set the data held by VALP to VALUE. This also sets the value's + * where to VAL_LOC_WORD. */ +void value_set_word(struct value *valp, long value); + +/* Set the data held by VALP to a buffer of size SIZE. This buffer + * may be allocated by malloc. Returns NULL on failure. */ +unsigned char *value_reserve(struct value *valp, size_t size); + +/* Access ELEMENT-th field of the compound value VALP, and store the + * result into the value RET_VAL. Returns 0 on success, or negative + * value on failure. */ +int value_init_element(struct value *ret_val, struct value *valp, size_t element); + +/* De-reference pointer value, and store the result into the value + * RET_VAL. Returns 0 on success, or negative value on failure. */ +int value_init_deref(struct value *ret_val, struct value *valp); + +/* If value is in inferior, copy it over to ltrace. Return 0 for + * success or negative value for failure. */ +int value_reify(struct value *val, struct value_dict *arguments); + +/* Return a pointer to the data of the value. This copies the data + * from the inferior to the tracer. Returns NULL on failure. */ +unsigned char *value_get_data(struct value *val, struct value_dict *arguments); + +/* Return a pointer to the raw data of the value. This shall not be + * called on a VAL_LOC_INFERIOR value. */ +unsigned char *value_get_raw_data(struct value *val); + +/* Copy value VAL into the area pointed-to by RETP. Return 0 on + * success or a negative value on failure. */ +int value_clone(struct value *retp, const struct value *val); + +/* Give a size of given value. Return (size_t)-1 for error. This is + * a full size of the value. In particular for arrays, it returns + * actual length of the array, as computed by the length + * expression. */ +size_t value_size(struct value *val, struct value_dict *arguments); + +/* Extract at most word-sized datum from the value. Return 0 on + * success or negative value on failure. */ +int value_extract_word(struct value *val, long *retp, + struct value_dict *arguments); + +/* Copy contents of VAL to DATA. The buffer must be large enough to + * hold all the data inside. */ +int value_extract_buf(struct value *val, unsigned char *data, + struct value_dict *arguments); + +/* Find the most enclosing parental value that is a struct. Return + * NULL when there is no such parental value. */ +struct value *value_get_parental_struct(struct value *val); + +/* Determine whether this is all-zero value. Returns >0 if it is, ==0 + * if it isn't, <0 on error. */ +int value_is_zero(struct value *val, struct value_dict *arguments); + +/* Compare two values for byte-by-byte equality. Returns >0 if they + * are equal, ==0 if they are not, and <0 on error. */ +int value_equal(struct value *val1, struct value *val2, + struct value_dict *arguments); + +/* Convert a structure type to pointer to that structure type. */ +int value_pass_by_reference(struct value *value); + +#endif /* VALUE_H */ diff --git a/value_dict.c b/value_dict.c new file mode 100644 index 0000000..d9c46d4 --- /dev/null +++ b/value_dict.c @@ -0,0 +1,148 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011,2012 Petr Machata, Red Hat Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include +#include +#include + +#include "value_dict.h" +#include "value.h" + +struct named_value +{ + const char *name; + struct value value; + int own_name; +}; + +void +val_dict_init(struct value_dict *dict) +{ + VECT_INIT(&dict->numbered, struct value); + VECT_INIT(&dict->named, struct named_value); +} + +static int +value_clone_cb(struct value *tgt, const struct value *src, void *data) +{ + return value_clone(tgt, src); +} + +static void +value_dtor(struct value *val, void *data) +{ + value_destroy(val); +} + +static int +named_value_clone(struct named_value *tgt, + const struct named_value *src, void *data) +{ + tgt->name = strdup(src->name); + if (tgt->name == NULL) + return -1; + tgt->own_name = 1; + if (value_clone(&tgt->value, &src->value) < 0) { + free((char *)tgt->name); + return -1; + } + return 0; +} + +static void +named_value_dtor(struct named_value *named, void *data) +{ + if (named->own_name) + free((char *)named->name); + value_destroy(&named->value); +} + +int +val_dict_clone(struct value_dict *target, struct value_dict *source) +{ + if (VECT_CLONE(&target->numbered, &source->numbered, struct value, + value_clone_cb, value_dtor, NULL) < 0) + return -1; + + if (VECT_CLONE(&target->named, &source->named, struct named_value, + named_value_clone, named_value_dtor, NULL) < 0) { + VECT_DESTROY(&target->numbered, struct value, value_dtor, NULL); + return -1; + } + + return 0; +} + +int +val_dict_push_next(struct value_dict *dict, struct value *val) +{ + return VECT_PUSHBACK(&dict->numbered, val); +} + +int +val_dict_push_named(struct value_dict *dict, struct value *val, + const char *name, int own_name) +{ + if (own_name && (name = strdup(name)) == NULL) + return -1; + struct named_value element = { name, *val, own_name }; + if (VECT_PUSHBACK(&dict->named, &element) < 0) { + if (own_name) + free((char *)name); + return -1; + } + return 0; +} + +size_t +val_dict_count(struct value_dict *dict) +{ + return vect_size(&dict->numbered); +} + +struct value * +val_dict_get_num(struct value_dict *dict, size_t num) +{ + assert(num < vect_size(&dict->numbered)); + return VECT_ELEMENT(&dict->numbered, struct value, num); +} + +struct value * +val_dict_get_name(struct value_dict *dict, const char *name) +{ + size_t i; + for (i = 0; i < vect_size(&dict->named); ++i) { + struct named_value *element + = VECT_ELEMENT(&dict->named, struct named_value, i); + if (strcmp(element->name, name) == 0) + return &element->value; + } + return NULL; +} + +void +val_dict_destroy(struct value_dict *dict) +{ + if (dict == NULL) + return; + + VECT_DESTROY(&dict->numbered, struct value, value_dtor, NULL); + VECT_DESTROY(&dict->named, struct named_value, named_value_dtor, NULL); +} diff --git a/value_dict.h b/value_dict.h new file mode 100644 index 0000000..f75ee37 --- /dev/null +++ b/value_dict.h @@ -0,0 +1,67 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011,2012 Petr Machata, Red Hat Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#ifndef ARGS_H +#define ARGS_H + +#include "forward.h" +#include "vect.h" + +/* Value dictionary is used to store actual function arguments. It + * supports both numbered and named arguments. */ +struct value_dict +{ + struct vect numbered; + struct vect named; +}; + +/* Initialize DICT. */ +void val_dict_init(struct value_dict *dict); + +/* Clone SOURCE into TARGET. Return 0 on success or a negative value + * on failure. */ +int val_dict_clone(struct value_dict *target, struct value_dict *source); + +/* Push next numbered value, VAL. The value is copied over and the + * dictionary becomes its owner, and is responsible for destroying it + * later. Returns 0 on success and a negative value on failure. */ +int val_dict_push_next(struct value_dict *dict, struct value *val); + +/* Return count of numbered arguments. */ +size_t val_dict_count(struct value_dict *dict); + +/* Push value VAL named NAME. See notes at val_dict_push_next about + * value ownership. The name is owned and freed if OWN_NAME is + * non-zero. */ +int val_dict_push_named(struct value_dict *dict, struct value *val, + const char *name, int own_name); + +/* Get NUM-th numbered argument, or NULL if there's not that much + * arguments. */ +struct value *val_dict_get_num(struct value_dict *dict, size_t num); + +/* Get argument named NAME, or NULL if there's no such argument. */ +struct value *val_dict_get_name(struct value_dict *dict, const char *name); + +/* Destroy the dictionary and all the values in it. Note that DICT + * itself (the pointer) is not freed. */ +void val_dict_destroy(struct value_dict *dict); + +#endif /* ARGS_H */ diff --git a/vect.c b/vect.c new file mode 100644 index 0000000..3a29118 --- /dev/null +++ b/vect.c @@ -0,0 +1,172 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011,2012 Petr Machata, Red Hat Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include +#include +#include +#include "vect.h" + +static void * +slot(struct vect *vec, size_t i) +{ + return ((unsigned char *)vec->data) + vec->elt_size * i; +} + +static const void * +cslot(const struct vect *vec, size_t i) +{ + return ((const unsigned char *)vec->data) + vec->elt_size * i; +} + +void +vect_init(struct vect *vec, size_t elt_size) +{ + *vec = (struct vect){ NULL, 0, 0, elt_size }; +} + +static int +copy_elt(void *tgt, const void *src, void *data) +{ + struct vect *target = data; + memcpy(tgt, src, target->elt_size); + return 0; +} + +int +vect_clone(struct vect *target, const struct vect *source, + int (*clone)(void *tgt, const void *src, void *data), + void (*dtor)(void *elt, void *data), + void *data) +{ + vect_init(target, source->elt_size); + if (vect_reserve(target, source->size) < 0) + return -1; + + if (clone == NULL) { + assert(dtor == NULL); + clone = copy_elt; + data = target; + } else { + assert(dtor != NULL); + } + + size_t i; + for (i = 0; i < source->size; ++i) + if (clone(slot(target, i), cslot(source, i), data) < 0) + goto fail; + + target->size = source->size; + return 0; + +fail: + /* N.B. destroy the elements in opposite order. */ + if (dtor != NULL) + while (i-- != 0) + dtor(slot(target, i), data); + vect_destroy(target, NULL, NULL); + return -1; +} + +int +vect_reserve(struct vect *vec, size_t count) +{ + if (count > vec->allocated) { + size_t na = vec->allocated != 0 ? 2 * vec->allocated : 4; + while (na < count) + na *= 2; + void *n = realloc(vec->data, na * vec->elt_size); + if (n == NULL) + return -1; + vec->data = n; + vec->allocated = na; + } + assert(count <= vec->allocated); + return 0; +} + +size_t +vect_size(const struct vect *vec) +{ + return vec->size; +} + +int +vect_empty(const struct vect *vec) +{ + return vec->size == 0; +} + +int +vect_reserve_additional(struct vect *vec, size_t count) +{ + return vect_reserve(vec, vect_size(vec) + count); +} + +int +vect_pushback(struct vect *vec, void *eltp) +{ + if (vect_reserve_additional(vec, 1) < 0) + return -1; + memcpy(slot(vec, vec->size++), eltp, vec->elt_size); + return 0; +} + +void +vect_popback(struct vect *vec) +{ + vec->size--; +} + +void +vect_destroy(struct vect *vec, void (*dtor)(void *emt, void *data), void *data) +{ + if (vec == NULL) + return; + + if (dtor != NULL) { + size_t i; + size_t sz = vect_size(vec); + for (i = 0; i < sz; ++i) + dtor(slot(vec, i), data); + } + free(vec->data); +} + +void * +vect_each(struct vect *vec, void *start_after, + enum callback_status (*cb)(void *, void *), void *data) +{ + size_t i = start_after == NULL ? 0 + : ((start_after - vec->data) / vec->elt_size) + 1; + + for (; i < vec->size; ++i) { + void *slt = slot(vec, i); + switch ((*cb)(slt, data)) { + case CBS_FAIL: + /* XXX handle me */ + case CBS_STOP: + return slt; + case CBS_CONT: + break; + } + } + + return NULL; +} diff --git a/vect.h b/vect.h new file mode 100644 index 0000000..0f9951d --- /dev/null +++ b/vect.h @@ -0,0 +1,150 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011,2012 Petr Machata, Red Hat Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#ifndef VECT_H +#define VECT_H + +#include +#include + +#include "callback.h" + +/* Vector is an array that can grow as needed to accommodate the data + * that it needs to hold. ELT_SIZE is also used as an elementary + * sanity check, because the array itself is not typed. */ + +struct vect +{ + void *data; + size_t size; /* In elements. */ + size_t allocated; /* In elements. */ + size_t elt_size; /* In bytes. */ +}; + +/* Initialize VEC, which will hold elements of size ELT_SIZE. */ +void vect_init(struct vect *vec, size_t elt_size); + +/* Initialize VECP, which will hold elements of type ELT_TYPE. */ +#define VECT_INIT(VECP, ELT_TYPE) \ + (vect_init(VECP, sizeof(ELT_TYPE))) + +/* Initialize TARGET by copying over contents of vector SOURCE. If + * CLONE is non-NULL, it's evoked on each element, and should clone + * SRC into TGT. It should return 0 on success or negative value on + * failure. DATA is passed to CLONE verbatim. This function returns + * 0 on success or negative value on failure. In case of failure, if + * DTOR is non-NULL, it is invoked on all hitherto created elements + * with the same DATA. If one of CLONE, DTOR is non-NULL, then both + * have to be. */ +int vect_clone(struct vect *target, const struct vect *source, + int (*clone)(void *tgt, const void *src, void *data), + void (*dtor)(void *elt, void *data), + void *data); + +/* Destroy VEC, which holds elements of type ELT_TYPE, using DTOR. */ +#define VECT_CLONE(TGT_VEC, SRC_VEC, ELT_TYPE, CLONE, DTOR, DATA) \ + /* xxx GCC-ism necessary to get in the safety latches. */ \ + ({ \ + const struct vect *_source_vec = (SRC_VEC); \ + assert(_source_vec->elt_size == sizeof(ELT_TYPE)); \ + /* Check that callbacks are typed properly. */ \ + void (*_dtor_callback)(ELT_TYPE *, void *) = DTOR; \ + int (*_clone_callback)(ELT_TYPE *, const ELT_TYPE *, \ + void *) = CLONE; \ + vect_clone((TGT_VEC), _source_vec, \ + (int (*)(void *, const void *, \ + void *))_clone_callback, \ + (void (*)(void *, void *))_dtor_callback, \ + DATA); \ + }) + +/* Return number of elements in VEC. */ +size_t vect_size(const struct vect *vec); + +/* Emptiness predicate. */ +int vect_empty(const struct vect *vec); + +/* Accessor. Fetch ELT_NUM-th argument of type ELT_TYPE from the + * vector referenced by VECP. */ +#define VECT_ELEMENT(VECP, ELT_TYPE, ELT_NUM) \ + (assert((VECP)->elt_size == sizeof(ELT_TYPE)), \ + assert((ELT_NUM) < (VECP)->size), \ + ((ELT_TYPE *)(VECP)->data) + (ELT_NUM)) + +#define VECT_BACK(VECP, ELT_TYPE) \ + VECT_ELEMENT(VECP, ELT_TYPE, (VECP)->size - 1) + +/* Copy element referenced by ELTP to the end of VEC. The object + * referenced by ELTP is now owned by VECT. Returns 0 if the + * operation was successful, or negative value on error. */ +int vect_pushback(struct vect *vec, void *eltp); + +/* Drop last element of VECP. */ +void vect_popback(struct vect *vec); + +/* Copy element referenced by ELTP to the end of VEC. See + * vect_pushback for details. In addition, make a check whether VECP + * holds elements of the right size. */ +#define VECT_PUSHBACK(VECP, ELTP) \ + (assert((VECP)->elt_size == sizeof(*(ELTP))), \ + vect_pushback((VECP), (ELTP))) + +/* Make sure that VEC can hold at least COUNT elements. Return 0 on + * success, negative value on failure. */ +int vect_reserve(struct vect *vec, size_t count); + +/* Make sure that VEC can accommodate COUNT additional elements. */ +int vect_reserve_additional(struct vect *vec, size_t count); + +/* Destroy VEC. If DTOR is non-NULL, then it's called on each element + * of the vector. DATA is passed to DTOR verbatim. The memory + * pointed-to by VEC is not freed. */ +void vect_destroy(struct vect *vec, + void (*dtor)(void *emt, void *data), void *data); + +/* Destroy VEC, which holds elements of type ELT_TYPE, using DTOR. */ +#define VECT_DESTROY(VECP, ELT_TYPE, DTOR, DATA) \ + do { \ + assert((VECP)->elt_size == sizeof(ELT_TYPE)); \ + /* Check that DTOR is typed properly. */ \ + void (*_dtor_callback)(ELT_TYPE *, void *) = DTOR; \ + vect_destroy((VECP), (void (*)(void *, void *))_dtor_callback, \ + DATA); \ + } while (0) + +/* Iterate through vector VEC. See callback.h for notes on iteration + * interfaces. */ +void *vect_each(struct vect *vec, void *start_after, + enum callback_status (*cb)(void *, void *), void *data); + +#define VECT_EACH(VECP, ELT_TYPE, START_AFTER, CB, DATA) \ + /* xxx GCC-ism necessary to get in the safety latches. */ \ + ({ \ + assert((VECP)->elt_size == sizeof(ELT_TYPE)); \ + /* Check that CB is typed properly. */ \ + enum callback_status (*_cb)(ELT_TYPE *, void *) = CB; \ + ELT_TYPE *start_after = (START_AFTER); \ + (ELT_TYPE *)vect_each((VECP), start_after, \ + (enum callback_status \ + (*)(void *, void *))_cb, \ + DATA); \ + }) + +#endif /* VECT_H */ diff --git a/zero.c b/zero.c new file mode 100644 index 0000000..bc119ee --- /dev/null +++ b/zero.c @@ -0,0 +1,105 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011,2012 Petr Machata, Red Hat Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#include +#include + +#include "zero.h" +#include "common.h" +#include "type.h" +#include "value.h" +#include "expr.h" + +static int +zero_callback_max(struct value *ret_value, struct value *lhs, + struct value_dict *arguments, + size_t max, void *data) +{ + size_t i; + for (i = 0; i < max; ++i) { + struct value element; + if (value_init_element(&element, lhs, i) < 0) + return -1; + + int zero = value_is_zero(&element, arguments); + + value_destroy(&element); + + if (zero) + break; + } + + struct arg_type_info *long_type = type_get_simple(ARGTYPE_LONG); + value_init_detached(ret_value, NULL, long_type, 0); + value_set_word(ret_value, i); + return 0; +} + +/* LHS->zero(RHS). Looks for a length of zero-terminated array, but + * looks no further than first RHS bytes. */ +static int +zero_callback(struct value *ret_value, struct value *lhs, + struct value *rhs, struct value_dict *arguments, void *data) +{ + long l; + if (value_extract_word(rhs, &l, arguments) < 0) + return -1; + if (l < 0) + /* It might just be a positive value >2GB, but that's + * not likely. */ + report_global_error("maximum array length seems negative"); + size_t max = (size_t)l; + return zero_callback_max(ret_value, lhs, arguments, max, data); +} + +/* LHS->zero. Looks for a length of zero-terminated array, without + * limit. */ +static int +zero1_callback(struct value *ret_value, struct value *lhs, + struct value_dict *arguments, void *data) +{ + return zero_callback_max(ret_value, lhs, arguments, (size_t)-1, data); +} + +struct expr_node * +build_zero_w_arg(struct expr_node *expr, int own) +{ + struct expr_node *e_z = malloc(sizeof(*e_z)); + if (e_z == NULL) + return NULL; + + expr_init_cb2(e_z, &zero_callback, + expr_self(), 0, expr, own, NULL); + return e_z; +} + +struct expr_node * +expr_node_zero(void) +{ + static struct expr_node *node = NULL; + if (node == NULL) { + node = malloc(sizeof(*node)); + if (node == NULL) + error(1, errno, "malloc expr_node_zero"); + expr_init_cb1(node, &zero1_callback, + expr_self(), 0, (void *)-1); + } + return node; +} diff --git a/zero.h b/zero.h new file mode 100644 index 0000000..45d2771 --- /dev/null +++ b/zero.h @@ -0,0 +1,34 @@ +/* + * This file is part of ltrace. + * Copyright (C) 2011,2012 Petr Machata, Red Hat Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#ifndef ZERO_H +#define ZERO_H + +#include "forward.h" + +/* This returns a pre-built "zero" node without argument. Share, but + don't free. */ +struct expr_node *expr_node_zero(void); + +/* This builds a new "zero" node with EXPR as argument. EXPR is owned + * by the built node if OWN. Returns NULL if something failed. */ +struct expr_node *build_zero_w_arg(struct expr_node *expr, int own); + +#endif /* ZERO_H */ -- 2.7.4