* i386-tdep.c (i386_frame_chain): New function.
* config/i386/tm-i386.h (FRAME_CHAIN): Redefine in terms of
i386_frame_chain.
(i386_frame_chain): New prototype.

* Makefile.in (simops.o): Add simops.h to dependency list.

* coffcode.h (coff_write_object_contents): Use
bfd_coff_swap_filehdr_out instead of coff_swap_filehdr_out.

2001-04-14  H.J. Lu  <hjl@gnu.org>

* bfd-in2.h: Regenerate.

* target.h (target_ops): Removed to_core_file_to_sym_file vector
function.
* corelow.c (core_ops): Updated for above change.
* gnu-nat.c (core_ops): Likewise.
* inftarg.c (child_ops): Likewise.
* monitor.c (monitor_ops): Likewise.
* ppc-bdm.c (bdm_ppc_ops): Likewise.
* remote-adapt.c (adapt_ops): Likewise.
* remote-bug.c (bug_ops): Likewise.
* remote-e7000.c (e7000_ops): Likewise.
* remote-eb.c (eb_ops): Likewise.
* remote-es.c (es1800_ops, es1800_child_ops): Likewise.
* remote-mm.c (mm_ops): Likewise.
* remote-nindy.c (nindy_ops): Likewise.
* remote-nrom.c (nrom_ops): Likewise.
* remote-os9k.c (rombug_ops): Likewise.
* remote-rdp.c (remote_rdp_ops): Likewise.
* remote-sim.c (gdbsim_ops): Likewise.
* remote-st.c (st2000_ops): Likewise.
* v850ice.c (v850ice_ops): Likewise.
* target.c (cleanup_target): Likewise
(update_current_target): Likewise.
(setup_target_debug): Likewise
(debug_to_core_file_to_sym_file): Removed.

* corefile.c (core_file_command) [HPUXHPPA]: Removed code that
sets symbol file from information obtained from the core file.
* corelow.c (core_file_to_sym_file): Removed.

* section.c (STD_SECTION): Add entsize.

* struc-symbol.h (struct local_symbol): New TC_LOCAL_SYMFIELD_TYPE.
* symbols.c (local_symbol_convert): Call TC_LOCAL_SYMFIELD_CONVERT.

* config/tc-mn10300.c (md_assemble): Simplify offset adjustment of
pc-relative relocations not placed at the end of the instruction.

2001-04-13  H.J. Lu  <hjl@gnu.org>

* section.c (SEC_MERGE): Define new flag for merging.
(SEC_STRINGS): Likewise.
(entsize): New field.

Fix latent bug exposed by a gcc-3 bug fix.
* tc-ia64.c (is_conditional_branch): Return true for br, brl, and br.
excluding br.i.

* coff-i386.c (TARGET_SYM): SEC_READONLY is an applicable section
flag on pe-i386 targets.

2001-04-13  Fernando Nasser  <fnasser@redhat.com>

From  Adam Mirowski  <Adam.Mirowski@Sun.COM>
Fixed Insight on Solaris. It was not possible to debug a process
because of EINTR "errors".
* procfs.c: (procfs_wait): if proc_wait_for_stop() fails
with EINTR, retry the call.

* ld.texinfo: Document --fatal-warnings.
* ld.1: Regenerate.

* ldmisc.c (vfinfo): Set flag to inhibit making executable if
warnings have been turned into errors.
* lexsup.c (OPTION_WARN_FATAL): Define.
(ld_options): Entry for --fatal-warnings.
(parse_args): Handle OPTION_WARN_FATAL.
* ld.h (ld_config_type): Add fatal_warnings field.

bfd/
* libbfd-in.h (_bfd_merge_section): New.
(_bfd_write_merged_section): New.
(_bfd_merged_section_offset): New.
* libbfd.h: Rebuilt.
* linker.c (_bfd_generic_link_output_symbols): Handle
discard_sec_merge.
* aoutx.h (aout_link_write_symbols): Likewise.
* pdp11.c (aout_link_write_symbols): Likewise.
* elflink.h (elf_link_add_object_symbols): Call _bfd_merge_section.
(elf_bfd_final_link): Adjust global symbols pointing into SEC_MERGE
sections.
(elf_link_sec_merge_syms): New.
(elf_link_input_bfd): Call _bfd_merged_section_offset
and _bfd_write_merged_section.
Handle discard_sec_merge.
* elf-bfd.h (struct elf_link_hash_table): Add merge_info
field.
(struct bfd_elf_section_data): Likewise.
* elf.c (_bfd_elf_make_section_from_shdr): Set SEC_MERGE and
SEC_STRINGS section flags and entsize from their ELF counterparts.
(_bfd_elf_link_hash_table_init): Initialize merge_info.
(elf_fake_sections): Set SHF_MERGE, SHF_STRINGS and sh_entsize
from their BFD counterparts.
* merge.c: New file.
* Makefile.am: Add strtab.lo.
* Makefile.in: Rebuilt.
include/
* bfdlink.h (bfd_link_discard): Add discard_sec_merge.
gas/
* config/obj-elf.c (obj_elf_change_section): Add entsize argument,
handle SHF_MERGE and SHF_STRINGS.
(obj_elf_parse_section_letters): Set SHF_MERGE and SHF_STRINGS.
(obj_elf_section): Allow additional argument specifying entity size.
* write.c (adjust_reloc_syms): Keep relocations against local symbols
in SEC_MERGE sections.
ld/
* ldmain.c (main): Default to discard_sec_merge.
* lexsup.c (OPTION_DISCARD_NONE): Define.
(ld_options): Add --discard-none.
(parse_args): Handle OPTION_DISCARD_NONE.
* ldlang.c (wild_doit): SEC_MERGE should be set in the output
section only if SEC_MERGE and SEC_STRINGS flags and entsize of
all its input sections match.

Revise way in which mappings are allocated/searched.

* xcoffread.c (scan_xcoff_symtab): Ignore symbols beginning with
"@".

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

    * dwarf2dbg.c (process_entries): Don't optimize redundant line notes.

* mips.igen (CFC1, CTC1): Pass the correct register numbers to
PENDING_FILL.  Use PENDING_SCHED directly to handle the pending
set of the FCSR.
* sim-main.h (COCIDX): Remove definition; this isn't supported by
PENDING_FILL, and you can get the intended effect gracefully by
calling PENDING_SCHED directly.

* ltconfig, ltmain.sh, libtool.m4, ltcf-c.sh, ltcf-cxx.sh,
ltcf-gcj.sh: Upgraded to libtool 1.4a 1.641.2.226.

* expr.c (operand): Pass &c to md_parse_name().
* config/tc-ia64.h, config/tc-ppc.h, config/tc-tic54x.h: Adjust.

Obsolete sun386i.

* MAINTAINERS: Update my email address
* nm.c (print_symbol_info_bsd): Use a simple printf string.

* maint.c: Fix typo in comment.

* MAINTAINERS: Swap with Syd Polk as a gdbtk maintainer.

* elflink.h (elf_fix_symbol_flags): For non-default visibilities,
only hide symbols marked STV_INTERNAL or STV_HIDDEN.

Add comments noting that vfork might be defined to be fork.

Use cleanup machinery to invoke ui_out_list_end().

2001-04-05  Steven J. Hill  <sjhill@cotw.com>

* Makefile.am (ALL_EMULATIONS): Add eelf32ltsmip.o.
(ALL_64_EMULATIONS): Add eelf64btsmip.o and eelf64ltsmip.o.
(eelf32ltsmip.c): New target.
(eelf64btsmip.c): Likewise.
(eelf64ltsmip.c): Likewise.
* Makefile.in: Regenerated.

* configure.tgt (mips*el-*-linux-gnu): Uses traditional MIPS
target.
(mips*-*-linux-gnu*): Likewise.

* emulparams/elf32ltsmip.sh: New. Traditional little endian
MIPS taget.
* emulparams/elf64btsmip.sh: New. Traditional 64bit big endian
target.
* emulparams/elf64ltsmip.sh: New. Traditional 64bit little
endian target.

2001-04-05  Steven J. Hill  <sjhill@cotw.com>

* config.bfd (mips*el*-*-linux-gnu*): Use traditional little
endian MIPS ELF target.
* config.bfd (mips*-*-linux-gnu*): Use traditional big endian
MIPS ELF target.

* configure.in (bfd_elf64_tradbigmips_vec): New. Traditional
64bit big endian MIPS ELF target.
(bfd_elf64_tradlittlemips_vec): New. Traditional 64bit little
endian MIPS ELF target.
* configure: Regenerated.

* elf32-mips.c (IRIX_COMPAT): Handle traditional 64bit and
little endian targets.
(mips_elf_sym_is_global): Handle traditional targets.

* elf64-mips.c (bfd_elf64_tradbigmips_vec): New. Traditional
64bit big endian MIPS ELF target.
(bfd_elf64_tradlittlemips_vec): New. Traditional 64bit little
endian MIPS ELF target.

* targets.c: (_bfd_target_vector): Add bfd_elf64_tradbigmips_vec
and bfd_elf64_tradlittlemips_vec.

2001-04-07  Steven J. Hill  <sjhill@cotw.com>

* config/tc-mips.c: Support ELF64 for traditional MIPS targets.

* Makefile.am: (TARG_ENV_HFILES): Add tc-mips.h.
* Makefile.in: Regenerated.

* configure.in: Use traditional MIPS targets for Linux/MIPS.
* configure: Regenerated.

* dcache.c (dcache_write_line): Fixed bugs where cache line was
not written to target correctly.

* gdbserver/low-hppabsd.c (read_inferior_memory): Add explicit
  void return value;
* gdbserver/low-nbsd.c: Likewise.
* gdbserver/low-sparc.c: Likewise.
* gdbserver/low-sun3.c: Likewise.
---------------------------------------------------------------------

Add self to write-after-approval list.

* config/rs6000/nm-rs6000.h (PTRACE_ATTACH): Don't define.
(PTRACE_DETACH): Don't define.

Correct erroneous ChangeLog.

2001-04-06  David Smith  <dsmith@redhat.com>

* arch-utils.c (default_prepare_to_proceed)
(generic_prepare_to_proceed): Added new functions.
* arch-utils.h: New function declarations for
default_prepare_to_proceed() and generic_prepare_to_proceed().
* gdbarch.sh: Added PREPARE_TO_PROCEED.
* gdbarch.c: Regenerated.
* gdbarch.h: Regenerated.
* inferior.h: Added get_last_target_status() declaration.
* infrun.c (get_last_target_status): Added new function.
(handle_inferior_event): Saves last pid and waitstatus, which will
get returned by get_last_target_status().

* hppa-tdep.c (prepare_to_proceed):  Added comment stating that
prepare_to_proceed() is potentially redundant since
default_prepare_to_proceed() has been added.
* linux-thread.c (prepare_to_proceed): Ditto.
* lin-lwp.c (prepare_to_proceed): Ditto.
* m3-nat.c (prepare_to_proceed): Ditto.

Obsolete powerpcle-*-cygwin* and powerpcle-*-solaris* platforms
and powerpc-*-netware* target.

2001-04-06  Fernando Nasser  <fnasser@redhat.com>

* buildsym.c (record_line): Turn off unused addr bits.

man page generation from gprof.texi by Stephane Carrez

2001-04-06  Fernando Nasser  <fnasser@redhat.com>

From David Deephanphongs <deephan@telocity.com>
* inferior.h:   Fix declarations of get_inferior_args and
set_inferior_args, which were missing the trailing 's'.

* i386-dis.c: Add ffreep instruction.

* config/tc-mn10300.c (xr_registers): Added `pc'.

2001-04-05  David Mosberger  <davidm@hpl.hp.com>

* elf32-i386.c (elf_i386_fake_sections): Treat ".reloc" as an
ordinary "progbits" section.

* emulparams/criself.sh (EXECUTABLE_SYMBOLS): Cannot provide
correct value of __Stext here.
(TEXT_START_SYMBOLS): Define; always define __Stext, to start of
.startup section.

* emulparams/crislinux.sh: Remove FIXME.

* cris.h (enum cris_insn_version_usage): Correct comment for
cris_ver_v3p.

Remove redundant ChangeLog entry separator

* gas/cris/fragtest.s, gas/cris/rd-pic-1.s,
gas/cris/binop-cmpmovx.d, gas/cris/binop-cmpmove.d,
gas/cris/binop.d, gas/cris/binop.s, gas/cris/brokw-2.d,
gas/cris/clear.d, gas/cris/fragtest.s, gas/cris/jump-type.d,
gas/cris/nosep.s, gas/cris/pushpop.d, gas/cris/quick.s,
gas/cris/range-err-2.s, gas/cris/sep-err-1.s,
gas/cris/sreg-to-x.d, gas/cris/test.d, gas/cris/x-to-byte-sreg.d,
gas/cris/x-to-word-sreg.d, gas/cris/x-to-dword-sreg.d: Remove
trailing empty lines.
* gas/cris/continue.s: Ditto, tweak comment.

* gas/cris/brokw-2.s: Correct broken-word expansion visualization
in comment.

* gas/cris/rd-dw2-1.d, gas/cris/rd-dw2-2.d, gas/cris/rd-dw2-3.d,
gas/cris/rd-dw2-4.d, gas/cris/rd-dw2-5.d, gas/cris/rd-dw2-6.d,
gas/cris/rd-dw2-7.d, gas/cris/rd-dw2-8.d, gas/cris/rd-dw2-9.d,
gas/cris/rd-dw2-10.d, gas/cris/rd-dw2-11.d, gas/cris/rd-dw2-12.d,
gas/cris/rd-dw2-13.d, gas/cris/rd-dw2-14.d, gas/cris/rd-dw2-15.d:
New tests.

Fix address in ChangeLog entry

* readelf.c (display_debug_lines): Fix typo for "Prologue".

2001-04-05  Jeff Holcomb  <jeffh@redhat.com>

        * monitor.c (monitor_supply_register): Only report an error if we
        don't get a valid value.

* README: Don't mention gdba.el.

* lib/gas-defs.exp (run_dump_test): Support using readelf.
* config/default.exp: Default READELF and READELFFLAGS.

2001-04-05  Elena Zannoni  <ezannoni@kwikemart.cygnus.com>

        From  Jimmy Guo  <guo@cup.hp.com>
        * top.c (init_main): set prompt if annotation_level>1,
        this is necessary when annotation_level is set to 2 via
        --annotate=2 command line option.

Obsolete a29k-*-* host and a29k-*-sym1* and a29k-*-kern* targets.

Fix more breakages from the multiple relax pass patch.

* main.c: Remove windows.h use.
(gdbtk_test): Use PATH_MAX for home var calculation.
* remote-e7000.c (e7000_parse_device): Accomodate Cygwin as well as Win32 in
test.
* ser-tcp.c: Use modern __CYGWIN__ conditional.
* source.c (mod_path): Add __CYGWIN__ conditional to WIN32 test.
(openp): Ditto.
* symfile.c (symfile_bfd_open): Ditto.
* gdbtk/generic/gdbtk.c: Ditto.

2001-04-04  Martin M. Hunt  <hunt@redhat.com>

* main.c (captured_main): For GDBtk, don't use tui_fileopen().
Handle all stream setup in gdbtk_init

* i386-tdep.c (i386_extract_return_value): Don't return the return
value of a void function.
(i386_store_return_value): Likewise.

* config/tc-cris.c (cris_insn_first_word_frag): New.
(md_assemble): Call cris_insn_first_word_frag to get the first
frag in an insn, not frag_more.  Don't call dwarf2_emit_insn at
end.  Drop variable insn_size.
(gen_bdap): Call cris_insn_first_word_frag, not frag_more.
(cris_sym_leading_underscore): Wrap first as_bad parameter in _().
(cris_sym_no_leading_underscore, s_cris_file, s_cris_loc): Ditto.

* config/tc-cris.c (md_estimate_size_before_relax) <case
ENCODE_RELAX (STATE_CONDITIONAL_BRANCH, STATE_UNDF)>: Don't emit
32-bit branch, just set fragP->fr_subtype.  Set fragP->fr_var.
<all cases>: Always set fragP->fr_var using md_cris_relax_table.
Add cases to cover all relax states.

* write.c (write_object_file): Reset broken word state before
calling relax_seg.

merge from gcc

* elflink.h (elf_fix_symbol_flags): Call elf_backend_hide_symbol
when -Bsymbolic causes a symbol to no longer need a .plt entry.

Obsolete w65-*-* target.

Obsolete tic80.

2001-04-03  David Mosberger  <davidm@hpl.hp.com>

* efi-app-ia32.c (ALIGN_SECTIONS_IN_FILE): Deleted.

* remote-mips.c (S_IROTH): Moved definition from here.
* gdb_stat.h (S_IROTH): to here.

* remote.c (remote_protocol_e, remote_protocol_E): Define.
(set_remote_protocol_e_packet_cmd)
(set_remote_protocol_E_packet_cmd)
(show_remote_protocol_e_packet_command)
(show_remote_protocol_E_packet_command): New functions.
(init_all_packet_configs): Initialize remote_protocol_e and
remote_protocol_E.
(remote_resume, remote_async_resume): Support e/E command
packets.
(show_remote_cmd): Show state of remote_protocol_e and
remote_protocol_E.
(_initialize_remote): Add "set remote step-over-range-packet"
and "set remote step-over-range-w-signal-packet" to CLI.
-------------------------------------------------------------------

2001-04-01  David O'Brien  <obrien@FreeBSD.org>
* ld-undefined/undefined.exp: XFAIL on FreeBSD/i386 for the usual (even
though it doesn't use DWARF2 yet (but its output is identical).

Approved by:  Alan Modra <alan@linuxcare.com.au>
              <Pine.LNX.4.21.0104021511350.487-100000@front.linuxcare.com.au>

001-04-01  David O'Brien  <obrien@FreeBSD.org>
* ld-selective/selective.exp: Use -O with gcc rather than -O2.
This optimization level is buggy on some platforms, and this test
is not intended to test compiler optimizations.

Approved by:  Alan Modra <alan@linuxcare.com.au>
              <Pine.LNX.4.21.0104021510450.487-100000@front.linuxcare.com.au>

Obsolete ns32k-*-mach3*, ns32k-umax-*, ns32k-utek-sysv* and
ns32k-utek-*.

* config/djgpp/fnchange.lst: Tweak due to
expect/example/chesslib.c.

Make --target=m88k buildable again.

* gdb.texinfo (Tracepoint Actions): Mention the "info scope"
command and provide a cross-reference to its description.
(Symbols): Note that "info scope" is useful for trace experiments.

* Makefile.in (CXX_FOR_TARGET_FOR_RECURSIVE_MAKE, RECURSE_FLAGS):
New macros.
(bootstrap, cross): Use RECURSE_FLAGS.
* configure.in: Subst CXX_FOR_TARGET_FOR_RECURSIVE_MAKE.

Bump page size to 64k

2001-03-20  Daniel Berlin  <dberlin@redhat.com>

* symtab.c (completion_list_add_name): Remove duplicate string checks,
readline already does this, and it's much faster at it, too.

    * go32-nat.c: Minor tweaks, to pacify the ari script.

* i386-tdep.c (i386_extract_struct_value_address): New function.
* config/i386/tm-i386.h (EXTRACT_STRUCT_VALUE_ADDRESS): Redefine
in terms of i386_extract_struct_value_address.
(i386_extract_struct_value_address): New prototype.

* i386-linux-nat.c (i386_linux_dr_get): Change type of return
value to `unsigned long'.  Change type of `value' to `unsigned
long'.
(i386_linux_dr_set): Change type of second argument to `unsigned
long'.
(i386_linux_dr_set_control): Change type of first argument to
`unsigned long'.
(i386_linux_dr_get_status): Change type of return value to
unsigned long.
* config/i386/nm-linux.h (i386_linux_dr_set_control,
i386_linux_dr_get_status): Adjust prototypes accordingly.

* gdb.texinfo (Symbols): Document "info scope".
(Tracepoints): New chapter.
(Contributors): Update for v5.1.
<All nodes>: Change "C++" to "C@t{++}".

* gdbint.texinfo (User Interface): A new section about ui_out
functions, based on text written by Fernando Nasser.

Change Permissions to GFDL.  Update Copyright.

Revert change to config/ia64/linux.mh in which core-regset.h was
removed from NATDEPFILES.

* config/ia64/linux.mh (NATDEPFILES): Remove core-regset.o
from list.

Make hardware watchpoint support work again on Linux/IA-64.

merge from gcc

* i386bsd-nat.c: Include "gdb_assert.h".
[HAVE_PT_GETDBREGS] (DBREG_DRX): Define if not
already defined.
[HAVE_PT_GETDBREGS] (i386bsd_dr_set, i386bsd_dr_set_control,
i386bsd_dr_set_addr, i386bsd_dr_reset_addr,
i386bsd_dr_get_status): New functions.
* config/i386/nm-fbsd.h [HAVE_PT_GETDBREGS]
(I386_USE_GENERIC_WATCHPOINTS): Define.
Include "i386/nm-i386.h".
(I386_DR_LOW_SET_CONTROL, I386_DR_LOW_SET_ADDR,
I386_DR_LOW_RESET_ADDR, I386_DR_LOW_GET_STATUS): New macros.
(i386bsd_dr_set_control, i386bsd_dr_set_addr,
i386bsd_dr_reset_addr, i386bsd_dr_get_status): New prototypes.
* acconfig.h (HAVE_PT_GETDBREGS): New configure macro.
* configure.in: Cleanup a few comments.  Check for PT_GETDBREGS
ptrace request.
* config.in, configure: Regenerate.

* i386-nat.c (i386_insert_aligned_watchpoint): Set address
register before enabling it by setting the control register.
(i386_remove_aligned_watchpoint): Reset address register after
disabling it by setting the control register.

* i386-tdep.c (i386_extract_return_value): If the type of the
return value is TYPE_STRUCT and the number of fields is one, call
ourselves with TYPE set tp the type of the first field.
(i386_store_return_value): Likewise.
This fixes a problem with returning structs consisting of a single
`float' or `double' on *BSD.

Fix conditional assembly listings when more than one .else/.elsif

2001-03-30  H.J. Lu  <hjl@gnu.org>

* binutils-all/readelf.exp: Run on more ELF targets.

2001-03-30  H.J. Lu  <hjl@gnu.org>

* readelf.c (process_unwind): Just return if do_unwind is 0.

* cond.c (s_endif): Correct handling of "if .. elseif .." trees.
Don't abort on NULL current_cframe.

* lin-lwp.c (lin_lwp_resume): Don't mark LWP as not stopped until
we're absolutely sure we're going to resume it.

* thread-db.c (check_event): Don't report an error if we encounter
a thread creation event for a thread that's already in the thread
list, since that may legitemately happen.  Instead only call
attach_thread if it's not already in the thread list.

2001-03-30  H.J. Lu  <hjl@gnu.org>

* gas/i386/relax.d: Dump with -s instead of -drw.