-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.

2001-03-20  H.J. Lu  <hjl@gnu.org>

* configure.in: Remove the redundent AC_ARG_PROGRAM.
* configure: Rebuild.

* libiberty/cp-demangle.c (struct demangling_def): New fields:
is_constructor and is_destructor.
(demangling_new): Initialize them.
(demangle_ctor_dtor_name): Set them, if we detect a constructor
or destructor.
(demangle_v3_with_details, is_gnu_v3_mangled_ctor,
is_gnu_v3_mangled_dtor): New functions.

* include/demangle.h (enum gnu_v3_constructor_kinds,
is_gnu_v3_mangled_ctor, enum gnu_v3_destructor_kinds,
is_gnu_v3_mangled_dtor): New declarations.

Change SOFTWARE_SINGLE_STEP_P into SOFTWARE_SINGLE_STEP_P().

Replace abort() with internal_error().

Do not enable alignment checking when loading unaligned thumb instructions.

Zap -Wuninitialized warnings.

* mmap support for common simulators

2001-03-16  Frank Ch. Eigler  <fche@redhat.com>

Add support for mmap-based memory regions.
* sim-memopt.c (mmap_next_fd): New global.
(sim_memory_init): Reinitialize it.
(OPTION_MEMORY_MAPFILE, memory_option_handler): Support new
"--memory-mapfile FILE" option.  Check for some errors.
(do_memopt_add): Conditionally do mmap instead of malloc for
backing store of simulated memory.  Check for more errors.
(do_simopt_delete, sim_memory_uninstall): Corresponding cleanup.
* sim-memopt.h (munmap_length): New member of _sim_memopt.
* configure.in: Look for mmap/fstat related functions and headers.
* config.in, configure: Regenerated.

merge from gcc

* linespec.c (find_methods): Just call CHECK_TYPEDEF on t, rather
than asking for sym_class's type; that's circuitous.  Remove
sym_class, since the last use of it is gone.

* gdb.threads/linux-dp.exp: Recognize an additional message
generated by GDB when it doesn't understand how to debug threads
on the target system.

* elf32-m68k.c (elf_m68k_relocate_section): Don't need the
relocation value when resolving a reference from a debugging
section.

* breakpoint.c (print_it_typical) <bp_access_watchpoint> [UI_OUT]:
Correct the order of calls to ui_out_field_string and
ui_out_list_begin when bs->old_val is NULL.

Use `relax_marker' instead of fragile address test code to determine
whether a frag's fr_address has been updated.

Conditionally include nlist.h in solib-legacy.c for older *BSD systems.

Fix ``make'' problems when building cross debugger.

Fix 2 bugs with parsing the resource dependency tables.
* ia64-gen.c (fetch_insn_class): If xsect, then ignore comment and
notestr if larger than xsect.
(in_class): Handle format M5.
* ia64-asmtab.c: Regnerate.

malloc() -> xmalloc.
Move malloc() decl to utils.c

Move realoc() decl to utils.c.  s/realloc()/xrealloc()/.

Move free() decl to utils.c.

Add proc-service.o to NATDEPFILES.

Zap __STDC__ references.

* TODO: List known problems with TUI.

Jimmy Guo stepping down.

* remote.c (remote_cisco_section_offsets): Do not cast result from
bfd_get_section_name.
(compare_sections_command): Ditto.
(remote_cisco_section_offsets): Make ``p'' a const pointer.
(compare_sections_command): Ditto for ``sectname''.

* valops.c (hand_function_call): Simplify computation of the
address of the pushed argument.

* p-exp.y (parse_number): Avoid shift overflow when ``long''.
Code copied from c-exp.y.

Document a native system printing output outside of the MI as a known
bug.

Don't try to read past end of info buffer, and correct test results.

Fix register name printed in warning message.

* gas/m68k/pcrel.s: Force alignment to 8 byte boundary to get
consistent output across targets.
* gas/m68k/pcrel.d: Adjusted.

Fix solib support so that non-svr4-solib-host x svr4-solib-target will work.

Fix solib support so that non-svr4-solib-host x svr4-solib-target will work.

Fix NetBSD 1.4 build problem.

2001-03-17  Michael Chastain  <chastain@redhat.com>

* win32-nat.c (child_attach): check args for NULL before passing
to strtoul.  This fixes PR gdb/43.

2001-03-18  H.J. Lu  <hjl@gnu.org>

* gas/i386/intel.s: Move PIC code to ...
* gas/i386/intelpic.s: New. Here.
* gas/i386/intel.d: Updated.
* gas/i386/intelpic.d: New.

* gas/i386/i386.exp: Check PIC code in Intel syntax for ELF
targets only.

* gas/mri/mri.exp: Fix test of m6811/m6812 targets.

* config/tc-m68hc11.c (md_pseudo_table): Recognize xrefb to comply
with 'Motorola specification for assembly language input standard'.

Fix a typo.

* i387-nat.h: Doc Fix.

* i386-tdep.c: Fix formatting.
(i386_get_frame_setup, i386_follow_jump, codestream_read,
codestream_seek, codestream_fill, skip_trampoline_code,
gdb_print_insn_i386, _initialize_i386_tdep): Remove redundant
prototypoes.

* config/i386/tm-linux.h (TARGET_ANALYZE_FLOATING): Remove.  It's
no longer used.  Also remove associated FIXME.

* emultempl/elf32.em (OPTION_GROUP): New macro.
Add new option Bgroup to longopts.
(gld*_parse_args): Handle GROUP_OPTION and recognize -z defs.
(gld*_list_options): Add -Bgroup and -z defs.
* ld.1: Document -Bgroup and -z defs.
* ld.texinfo: Likewise.

    * dwarf2dbg.c (user_filenum, user_filenum_allocated): Remove.
        (dwarf2_directive_loc): Don't use them.
        (dwarf2_directive_file): Reject duplicate file definitions.
        (get_filenum): Zero allocated memory.
        (out_file_list): Complain about missing file definitions.

Teach .org to handle complex expressions

Add support for m/M methods - pure multi-arch. These do not have
macros and take a gdbarch parameter.

* config/h8300/tm-h8300.h (FRAME_ARGS_ADDRESS): Changed to use
h8300_frame_args_address from frame_args_address.
(FRAME_LOCALS_ADDRESS): Changed to use h8300_frame_locals_address
from frame_locals_address.
(PRINT_REGISTER_HOOK): Changed to use h8300_print_register_hook
from print_register_hook.
(h8300_frame_args_address): Declare.
(h8300_frame_find_saved_regs): Declare.
(h8300_frame_locals_address): Declare.
(h8300_frame_saved_pc): Declare.
(h8300_pop_frame): Declare.
(h8300_print_register_hook): Declare.
* h8300-tdep.c (h8300_frame_find_saved_regs): Removed declaration.
(h8300_frame_args_address): Renamed from frame_args_address.
(h8300_frame_locals_address): Renamed from frame_locals_address.
(h8300_pop_frame): Renamed from pop_frame.
(h8300_print_register_hook): Renamed from print_register_hook.
-------------------------------------------------------------------

2001-03-12  Michael Chastain  <chastain@redhat.com>

* gdb.c++/derivation.exp: Use the 'runto' library function.

2001-03-12  Michael Chastain  <chastain@redhat.com>

* gdb.c++/annota2.exp: Fix regular expression for "post-query".

Fix syntax errors.

Add new opcodes

Change type of ``storage_needed'' from unsigned int to long.

2001-02-24  Michael Chastain  <chastain@redhat.com>

* gdb.c++/ref-types.exp: Change handwritten code to library
function 'runto'.

Fix warning message

2001-03-16  Orjan Friberg  <orjanf@axis.com>

* gdb.base/signals.exp: Set count to 0 explicitly.

2001-03-16  Orjan Friberg  <orjanf@axis.com>

* gdb.base/signals.exp: Set count to 0 explicitly.

Add local tag support.  Don't flush instructions for .xdata directives.
* config/tc-ia64.c (md): New member keep_pending_output.
(ia64_flush_pending_output): Flush only if md.keep_pending_output
is not set.
(dot_xdata): Turn on md.keep_pending_output for the duration of
this function.
(dot_xfloat_cons): Ditto.
(dot_xstringer): Ditto.
(dot_xdata_ua): Ditto.
(dot_xfloat_cons_ua): Ditto.
* config/tc-ia64.c (ia64_unrecognized_line, case '['): Add local
label support.

Misc. cleanups.

* tweak

2001-03-15  Frank Ch. Eigler  <fche@redhat.com>

* sim-core.c (sim_core_map_attach): Correct overlap-related
error messages.

Fix accidental loss of bit 7 in peoples names

* config/tc-sh.c (parse_reg): Match capital MACH and MACL.

merge from gcc

*** empty log message ***

(gdb_load): Add support for additional target_info: gdb_download_size
and gdb_load_timeout.

merge from gcc

* stabs.c (s_stab_generic): Don't corrupt the notes obstack by
blindly freeing string if it isn't at the top of the obstack.

*** empty log message ***