merge from gcc

* configure.in (CXX_FOR_TARGET): Use xgcc for libstdc++-v3.

* Comment tweak.

* arch-utils.c (#include "gdbthread.h"): Removed.
(#include "symfile.h"): Removed.
(XMALLOC): Removed unused macro.
* breakpoint.c (tbreak_command): Removed local declaration.
(awatch_command, do_enable_breakpoint, set_breakpoint_count):
Remove duplicate declarations.
(bpstat_should_step, bpstat_have_active_hw_watchpoints)
(remove_solib_event_breakpoints): Fix indentation botch.
* c-typeprint.c (#include "command.h"): Removed.
(#include "gdbcmd.h"): Removed.
* ch-exp.c (ch_terminal_match_float_literal, parse_expr)
(parse_primval, parse_untyped_expr, parse_opt_untyped_expr):
Removed duplicate declarations.
* ch-typeprint.c (#include "command.h"): Removed.
(#include "gdbcmd.h"): Removed.
* corefile.c (#include "frame.h"): Removed
(#include "symfile.h"): Removed.
(#include "language.h"): Removed.
* dbxread.c (#include "command.h"): Removed.
* environ.c (#include "gdbcore.h"): Removed.
* event-loop.c (#include "top.h"): Removed.
* f-typeprint.c (#include "command.h"): Removed.
(#include "gdbcmd.h"): Removed.
(#include "language.h"): Removed.
(#include "typeprint.h"): Removed.
(#include "frame.h"): Removed.
* gdbtypes.h (print_type_scalar): Removed declaration.
* infcmd.c (#include "completer.h"): Removed.
* language.c (#include "frame.h"): Removed.
* m2-typeprint.c (#include "command.h"): Removed.
(#include "gdbcmd.h"): Removed.
(#include "language.h"): Removed.
* m2-valprint.c (#include "valprint.h"): Removed.
* p-typeprint.c (#include "command.h"): Removed.
(#include "gdbcmd.h"): Removed.
* p-valprint.c (#include "typeprint.h"): Removed.
* parse.c (#include "linespec.h"): Removed.
* regcache.c (#include "frame.h"): Removed.
* remote.c (#include "frame.h"): Removed.
(getpkt_sane): Make static.
* source.c (#include "completer.h"): Removed.
* stack.c (#include "symfile.h"): Removed.
(#include "objfiles.h"): Removed.
* symfile.c (#include "completer.h"): Removed.
* tracepoint.c (#include "completer.h"): Removed.
* values.c (#include "frame.h"): Removed.
* varobj.c (#include "valprint.h"): Removed.
* wrapper.c (#include "frame.h"): Removed.

* memattr.c (create_mem_region): Removed unused variable.
* remote-nrom.c: Removed spurious semicolon after init_nrom_ops.
-------------------------------------------------------------------

Allow for the possibility that the local labels won't be in the objdump output.

(for COFF) default symbols to being local.

Add missing double quote

* solib-aix5.c (build_so_lib_from_mapfile): Use xfree() instead
of free().

(Cleanups): Remove the item about converting docs to GFDL.

* solib-aix5.c (build_so_lib_from_mapfile): Fix xasprintf() usage.

* as.texinfo (Fill): Replace "result" with "repeat".

* configure.in (cris-*-*): Change default emulation to criself.
(cris-*-*aout*): New rule.
* configure: Regenerate.

Fix problems encountered in compiling ia64-tdep.c with IBM's compiler.

* configure.tgt (cris-*-*): Change default emulation to criself.
(cris-*-*aout*): New rule.

Remove ATTRIBUTE_UNUSED in the last patch.

Add AIX5 procfs support.

2001-03-26  H.J. Lu  <hjl@gnu.org>

* elf32-gen.c (elf32_generic_link_add_symbols): New. Check
if there are any relocations for generic ELF.
(bfd_elf32_bfd_link_add_symbols): Defined to
elf32_generic_link_add_symbols.
* elf64-gen.c (elf64_generic_link_add_symbols): New. Check
if there are any relocations for generic ELF.
(bfd_elf64_bfd_link_add_symbols): Defined to
elf64_generic_link_add_symbols.

Add new step-line test.

* symtab.c (find_pc_sect_line): Revise method used for finding
the ending pc.

Go to 16k page size on hppa-linux.

oops - omitted from previous delta

* i386-linux-tdep.c (i386_linux_sigtramp_saved_pc,
i386_linux_sigtramp_saved_sp): Make static.
(i386_linux_frame_saved_pc): New function based on the old
FRAME_SAVED_PC macro, but use read_memory_unsigned_integer instead
of read_memory_integer.
* config/i386/tm-linux.h (sigtramp_saved_pc): Remove definition.
(i386_linux_sigtramp_saved_pc): Remove prototype.
(FRAME_SAVED_PC): Redefine in terms of i386_linux_frame_saved_pc.
(i386_linux_frame_saved_pc): New prototype.

2001-03-26  Chris Demetriou  <cgd@broadcom.com>

        * gas/mips/sync.s: Declare 'foo' as a function so that this
        test will work on properly on ECOFF targets.

Do not optimize BFD_RELOC_390_GOTENT relocs.
Always generate relocs for VT_ relocs.

Correct/clarify credit for C++ work.

Mark m88k as known to be broken.

* fork-child.c (clone_and_follow_inferior): Delete #ifdef
HAVE_VFORK.

* config/i386/tm-symmetry.h (PUSH_ARGUMENTS): #undef.

* i386-tdep.c (i386_push_arguments, i386_store_struct_return): New
functions.
* config/i386/tm-i386.h (PUSH_ARGUMENTS): New macro.
(STORE_STRUCT_RETURN): Redefine in terms of
i386_store_struct_return.
(i386_push_arguments, i386_store_struct_return): New prototypes.
* config/i386/tm-i386v.h (STORE_STRUCT_RETURN): Remove.  It's
definition was identical to the definition in "i386/tm-i386.h" so
the new definition should suffice too.

* gdbint.texinfo: Change Permissions to GFDL.  Update Copyright.

* gdbgui.texinfo: Change Permissions to GFDL.  Update Copyright.
Replace "GDB" with "@value{GDBN}".  Fix markup.

* annotate.texi: Change Permissions to GFDL.  Update Copyright.

* gdb.texinfo: Change Permissions to GFDL.  Update Copyright.

* gdbmi.texinfo: Update copyright.  Change Permissions to GFDL.

* event-loop.c (toplevel) [!HAVE_POLL] [NO_FD_SET]: Remove unused
definitions for SELECT, NBBY, FD_SETSIZE, NFDBITS, and MASK_SIZE.

* gdb.texinfo (Output Formats): Mention "info symbol" and provide
a cross-reference to its description.
(Symbols): Document "info symbol".

Fix the date of the last entry.

* config/djgpp/djconfig.sh: Add copyright notice.

* ser-go32.c (rawclock): Remove prototype; include time.h instead.
(ISR, dos_hookirq, isr_t): Convert K&R definition to ANSI C.
(top level) <string.h>: Include gdb_string.h instead.
(dos_noop, dos_raw, dos_noflush_set_tty_state)
(dos_print_tty_state, dos_info): Remove ATTRIBUTE_UNUSED.

* go32-nat.c (go32_create_inferior): Move the declaration of
`environ' to here from the top level.
(top level) <_initialize_go32_nat>: Remove redundant prototype.
<gdb_string.h>: Include it instead of string.h.
(store_register): Call register_buffer instead of accessing
registers[] directly.
(redir_cmdline_delete, redir_cmdline_parse, redir_to_debugger)
(redir_to_debugger, redir_debug_init) [__DJGPP_MINOR__ < 3]: Put
the function names at the start of the line.
(go32_set_dr): Throw internal_error if the argument is not a valid
debug register number.
(go32_open, go32_close, go32_attach, go32_detach, go32_resume)
(go32_wait, go32_xfer_memory, go32_files_info)
(go32_terminal_info): Remove ATTRIBUTE_UNUSED.

2001-03-26  Andreas Jaeger  <aj@suse.de>

* binutils.texi (nm): Fix texi syntax.

2001-03-26  Andreas Jaeger  <aj@suse.de>

* ld.texinfo (Overview): Fix syntax in texi code.

*** empty log message ***

* mips-tdep.c (mips_gdbarch_init): Tweak indentation.

2001-03-25  Elena Zannoni  <ezannoni@kwikemart.cygnus.com>

From  Andrew Cagney  <ac131313@redhat.com>

        * coffread.c: Include "gdb_assert.h".
(coff_symtab_read): Cast the integer s_sclass to a long before
  casting it to a pointer.

2001-03-25  Elena Zannoni  <ezannoni@kwikemart.cygnus.com>

From  Andrew Cagney  <ac131313@redhat.com>

        * coffread.c (coff_symtab_read): Initialize
  ``fcn_first_line_addr''.  Check that the ``.bf'' always preceeds
  the ``.ef'' info.
* dbxread.c (find_text_range): Initialize ``start'' and ``end''.

Automate generate on man pages

Accept an absolute expression for index scale factor.

Small tweaks to sse2 instructions.

Revert previous change, committed to trunk accidentally.

A single-file branch to help me keep things straight while adapting
GDB to the GNU V3 C++ ABI.

* c-typeprint.c: Commit Dan Berlin's changes.

* config/sparc/tm-sp64.h (GDB_MULTI_ARCH): Down grade to
GDB_MULTI_ARCH_PARTIAL from two.  SOFTWARE_SINGLE_STEP is not
multi-arch.
* gdbarch.sh (SOFTWARE_SINGLE_STEP): Add.
* gdbarch.h, gdbarch.c: Re-generate.
* target.h (SOFTWARE_SINGLE_STEP_P)
(SOFTWARE_SINGLE_STEP): Delete macro definitions.

Re-vamp the register code so that a lot more is routed through
{read,write}_register_gen.  Hook that function with multi-arch.

Remove extraneous whitespace

Fix compile time warnings.

* stabsread.c (read_cpp_abbrev): Properly construct the names of
virtual function table pointer fields.

Remove extraneous whitespace

merge from gcc

* defs.h (xfree, mcalloc, mmalloc, mrealloc, mfree, xmmalloc,
xmrealloc): Move existing declarations to the one place and
re-order to be consistent.
(xmcalloc, xmfree): Declare.
(xmmalloc, xmrealoc): Assume ISO-C - use size_t and void* in
declaration.

* utils.c (size_t): Delete #ifdef defining size_t.
(mmalloc, mrealloc, mcalloc, mfree): Re-order.
(mmalloc, mrealloc, mcalloc): Document as only calls in GDB
corresponding malloc, realloc, calloc.
(mfree): Call free directly.
(xmmalloc, xmrealloc): Clean up. Assume ISO-C.
(xmcalloc, xmfree): New functions. Copy old xcalloc and xfree
function bodies to here.
(xcalloc, xfree): Call xmcalloc and xmfree respectfully.

Support the GCC flags '-ffunction-sections' and '-fdata-sections'.
Set the VMA of STABS sections to zero.

Fix -Werror -Wuninitialized warnings.

Document --listing-XXX command line switches.
Explain why listings behave differently when -pipe is used.

fix_new_exp: Print an error if passed a register.

Add note about inability to use "make distclean" in maintainer mode.

Fix building bfd.pot in maintainer mode

* config/i386/nm-i386.h: Fix formatting and change reference to
i386-tdep.c to i386-nat.c.

2001-03-23  David Smith  <dsmith@redhat.com>

* configure.in: Corrected spelling errors.
* configure: Regenerated.

* gas/cris/pic-err-1.s, gas/cris/rd-pic-1.s, gas/cris/rd-pic-1.d:
New tests.

* gas/cris/branch-warn-1.s, gas/cris/branch-warn-2.s,
gas/cris/branch-warn-3.s: Tweak for fixed FIXME:s.

* config/tc-cris.[ch]: Tweak attribution.  Fix typos.  PIC support.

Update list of obsolete targets.

Obsolete stuff.c and kdb-start.c.

* config/pa/xm-hppah.h (HPPA_COMPILER_BUG): Delete. GDB only
compiles using an ISO-C compiler.
(MALLOC_INCOMPATIBLE): Ditto.
* linespec.c (decode_line_1): Delete hack to work around
HPPA_COMPILER_BUG.

-Wuninitialized fixes.

Re-installed:
2001-01-02  Laurynas Biveinis  <lauras@softhome.net>
* ltcf-c.sh: Clear ac_cv_prog_cc_pic for DJGPP.  Do not add
'-DPIC' to ac_cv_prog_cc_pic for DJGPP.
* ltcf-cxx.sh: Likewise.
* ltcf-gcj.sh: Likewise.

* cris.h (ADD_PC_INCR_OPCODE): New macro.

* cp-demangle.c (string_list_delete): Don't forget to free the
actual contents of the string.

Cleanup remote protocol section.  Add notes on ``!'', ``q'' and the
non-use of the continue address.

* elf32-cris.c: Shlib and PIC support.  PCREL tweaks.

* cris.h: Add leading comment about PC-relative location.
(R_CRIS_COPY, R_CRIS_GLOB_DAT, R_CRIS_JUMP_SLOT, R_CRIS_RELATIVE,
R_CRIS_16_GOT, R_CRIS_32_GOT, R_CRIS_16_GOTPLT, R_CRIS_32_GOTPLT,
R_CRIS_32_GOTREL, R_CRIS_32_PLT_GOTREL, R_CRIS_32_PLT_PCREL):
New relocs.

* reloc.c: (BFD_RELOC_CRIS_COPY, BFD_RELOC_CRIS_GLOB_DAT,
BFD_RELOC_CRIS_JUMP_SLOT, BFD_RELOC_CRIS_RELATIVE,
BFD_RELOC_CRIS_32_GOT, BFD_RELOC_CRIS_16_GOT,
BFD_RELOC_CRIS_32_GOTPLT, BFD_RELOC_CRIS_16_GOTPLT,
BFD_RELOC_CRIS_32_GOTREL, BFD_RELOC_CRIS_32_PLT_GOTREL,
BFD_RELOC_CRIS_32_PLT_PCREL): New relocs.
* bfd-in2.h, libbfd.h: Regenerate.

2001-03-22  Philip Blundell  <philb@gnu.org>

* config.sub, config.guess: Import latest from subversions.

* config/i386/nm-go32.h <top level>: Don't include nm-i386v.h,
include nm-i386.h instead.
(TARGET_HAS_HARDWARE_WATCHPOINTS, HAVE_CONTINUABLE_WATCHPOINT)
(TARGET_CAN_USE_HARDWARE_WATCHPOINT, STOPPED_BY_WATCHPOINT)
(TARGET_REGION_OK_FOR_HW_WATCHPOINT, DECR_PC_AFTER_HW_BREAK)
(target_stopped_data_address, target_insert_watchpoint)
(target_remove_watchpoint, target_insert_hw_breakpoint)
(target_remove_hw_breakpoint): Don't define.
(I386_USE_GENERIC_WATCHPOINTS, I386_DR_LOW_SET_CONTROL)
(I386_DR_LOW_SET_ADDR, I386_DR_LOW_RESET_ADDR)
(I386_DR_LOW_GET_STATUS): Define to call appropriate go32_*
functions from go32-nat.c.

* config/i386/go32.mh (NATDEPFILES): Add i386-nat.o.

* go32-nat.c <top level>: Remove prototypes for watchpoint-
related functions.  Remove definitions of watchpoint-related
macros.
(go32_mourn_inferior): Call i386_cleanup_dregs instead of the
private cleanup_dregs function.
(cleanup_dregs, go32_insert_watchpoint)
(go32_insert_aligned_watchpoint, go32_handle_nonaligned_watchpoint)
(go32_remove_watchpoint, go32_remove_aligned_watchpoint)
(go32_region_ok_for_watchpoint, go32_stopped_by_watchpoint)
(go32_remove_hw_breakpoint, go32_insert_hw_breakpoint): Remove.
(go32_set_dr, go32_set_dr7, go32_get_dr6): New functions.

* ltconfig, ltmain.sh, libtool.m4, ltcf-c.sh, ltcf-cxx.sh,
ltcf-gcj.sh: Upgraded to libtool 1.4a 1.641.2.198.

2001-03-22  Ben Elliston  <bje@redhat.com>

* cgen-asm.in (@arch@_cgen_assemble_insn): Move tmp_errmsg
declaration inside CGEN_VERBOSE_ASSEMBLER_ERRORS conditional.
* cgen-ibld.in (put_insn_int_value): Mark cd parameter as unused
to allay a compiler warning.

2001-03-21  Kazu Hirata  <kazu@hxi.com>

* h8300.h: Fix formatting.

paddq and psubq support.

* ia64-tdep.c (fetch_instruction): Warn about slot numbers greater
than two instead of generating an error.

*** empty log message ***

* cp-valprint.c: Bring formatting into line with GNU coding standards.

2001-03-21  Diego Novillo  <dnovillo@redhat.com>

(_bfd_mips_elf_relocate_section): Give a better error message when
a relocation is not recognized.

Make Linux use the new unified support for hardware breakpoints
and watchpoints on x86 targets.
* i386-linux-nat.c: Doc fixes.  Include "gdb_assert.h".
[HAVE_SYS_DEBUGREG_H]: Include <sys/debugreg.h>.
(DR_FIRSTADDR, DR_LASTADDR, DR_STATUS, DR_CONTROL): Define to
appropriate value if not already defined.
(register_u_addr): New function.
(kernel_u_size): New function.
(i386_linux_dr_get, i386_linux_dr_set): New functions.
(i386_linux_dr_set_control, i386_linux_dr_set_addr,
i386_linux_reset_addr, i386_linux_dr_get_status): New functions.
* config/i386/nm-linux.h: Don't include "nm-i386v.h".
(I386_USE_GENERIC_WATCHPOINTS): Define and include "nm-i386.h".
(TARGET_HAS_HARDWARE_WATCHPOINTS,
TARGET_CAN_USE_HARDWARE_WATCHPOINTS, HAVE_CONTINUABLE_WATCHPOINT,
STOPPED_BY_WATCHPOINT, target_insert_watchpoint,
target_remove_watchpoint): Remove macros.
(i386_stopped_by_watchpoint, i386_insert_watchpoint,
i386_remove_watchpoint): Remove prototypes.
(register_u_addr): New prototype.
(REGISTER_U_ADDR): Define in terms of register_u_addr.
(i386_linux_dr_set_control, i386_linux_dr_set_addr,
i386_linux_reset_addr, i386_linux_dr_get_status): New prototypes.
(I386_DR_LOW_SET_CONTROL, I386_DR_LOW_SET_ADDR,
I386_DR_LOW_RESET_ADDR, I386_DR_LOW_GET_STATUS): New macros.
* config/i386/linux.mh (NATDEPFILES): Replace i386v-nat.o with
i386-nat.o.

* gdb/linespec.c (find_methods): Whitespace differences aren't
significant in *un*mangled method names.  Use strcmp_iw to compare
them, not STREQ.  (Fix from Daniel Berlin.)

* gdb/testsuite/gdb.c++/userdef.exp: Check that GDB tolerates whitespace in
unmangled operator names.

merge from gcc

* gdbarch.sh: Allow a non- multi-arch target to override a
predicate.
* gdbarch.h: Regenerate.

Avoid use of ``if ! program''.

* target.h (enum target_signal): Move definition from here.
* defs.h (enum target_signal): To here.

* config/arc/tm-arc.h (arc_software_single_step): Change type of
first parameter to enum target_signal.
* config/rs6000/tm-rs6000.h (rs6000_software_single_step): Ditto.
* config/sparc/tm-sparc.h (sparc_software_single_step): Ditto.
* rs6000-tdep.c (rs6000_software_single_step): Update.

2001-03-20  Michael Chastain  <chastain@redhat.com>

* Makefile.in: all-m4 depends on all-texinfo.

* frame.h (SIZEOF_FRAME_SAVED_REGS): Report an error if macro
already defined.

From 2000-08-25 Stephane Carrez <Stephane.Carrez@worldnet.fr>:
* stabsread.c (define_symbol): A parameter ('R'), a local ('r'),
or a reference ('a') can be in a pseudo register.
* infcmd.c (do_registers_info): Must take into account the pseudo
registers to print their value.
(registers_info): Likewise.
* stack.c (frame_info): Likewise.
* frame.h (SIZEOF_FRAME_SAVED_REGS): Save the pseudo registers.

* gdbint.texinfo (Algorithms): New section "Watchpoints" and new
subsection "x86 Watchpoints".
(Target Architecture Definition): Document
I386_USE_GENERIC_WATCHPOINTS and TARGET_HAS_HARDWARE_WATCHPOINTS.
(Native Debugging): Document I386_USE_GENERIC_WATCHPOINTS.

Unified support for hardware breakpoints and watchpoints on
x86 targets:

* config/i386/nm-i386.h: New file.

* config/i386/nm-i386.h: (i386_cleanup_dregs)
(i386_insert_watchpoint, i386_remove_watchpoint)
(i386_region_ok_for_watchpoint, i386_stopped_by_hwbp)
(i386_stopped_data_address, i386_insert_hw_breakpoint)
(i386_remove_hw_breakpoint): Declare prototypes.
[I386_USE_GENERIC_WATCHPOINTS] (TARGET_CAN_USE_HARDWARE_WATCHPOINT):
Define if not already defined.
(TARGET_REGION_OK_FOR_HW_WATCHPOINT, HAVE_CONTINUABLE_WATCHPOINT)
(STOPPED_BY_WATCHPOINT, target_stopped_data_address)
(target_insert_watchpoint, target_remove_watchpoint)
(target_insert_hw_breakpoint, target_remove_hw_breakpoint): Define
to call the appropriate i386_* functions.

* i386-nat.c: New file.

* i386-nat.c (I386_DR_CONTROL_MASK, I386_DR_LOCAL_ENABLE)
(I386_DR_GLOBAL_ENABLE, I386_DR_DISABLE, I386_DR_SET_RW_LEN)
(I386_DR_GET_RW_LEN, I386_DR_WATCH_HIT): New macros.
(dr_mirror, dr_status_mirror, dr_control_mirror, dr_ref_count)
(maint_show_dr): New variables.
(i386_cleanup_dregs, i386_show_dr, i386_length_and_rw_bits)
(i386_insert_aligned_watchpoint, i386_remove_aligned_watchpoint)
(i386_handle_nonaligned_watchpoint, i386_insert_watchpoint)
(i386_remove_watchpoint, i386_region_ok_for_watchpoint)
(i386_stopped_data_address, i386_stopped_by_hwbp)
(i386_insert_hw_breakpoint, i386_remove_hw_breakpoint): New
functions.
(_initialize_i386_nat): New function.
[I386_USE_GENERIC_WATCHPOINTS]: Add new maint command
`show-debug-regs', sets maint_show_dr to non-zero value and
activates debugging print-outs in functions which insert, remove,
and test watchpoints and hardware breakpoints.

* Makefile.in (i386-nat.o): New target.
(ALLDEPFILES): Add i386-nat.o.

* i386-tdep.c: Add back _initialize_i386_tdep prototype with
appropriate comment.

Prevent NULL pointer dereference.

Update Linux/Alpha port to use new Linux threads support.

* Makefile.in: Clean up dependencies on ../include/demangle.h.
(demangle_h): New variable.
(jv-typeprint.o, jv-valprint.o, linespec.o): Use it.

  Add support for cgen machine determination.

        * cgen-dis.in (print_insn_@arch@): Add support for target machine
        determination via CGEN_COMPUTE_MACH.
        * fr30-desc.c: Regenerate.
        * fr30-dis.c: Regenerate.
        * fr30-opc.h: Regenerate.
        * m32r-desc.c: Regenerate.
        * m32r-dis.c: Regenerate.
        * m32r-opc.h: Regenerate.
        * m32r-opinst.c: Regenerate.

* emultmpl/elf32.em (gld${EMULATION_NAME}_search_needed): If NAME
is an absolute path look only for this file and not along the path.