* infrun.c: Eliminate the "thread_step_needed" state variable,
and replace it with a relatively simple test in resume.
(resume): Replace thread_step_needed logic with a test for
stepping, breakpoint_here_p and breakpoints_inserted.
Move CANNOT_STEP_BREAKPOINT logic to after thread_step logic.
(proceed): Discard thread_step_needed logic.
(wait_for_inferior, fetch_inferior_event, handle_inferior_event):
Discard thread_step_needed logic.
Alan Modra [Mon, 25 Jun 2001 08:16:44 +0000 (08:16 +0000)]
* elf32-i386.c (elf_i386_check_relocs <R_386_32, R_386_PC32>):
Ensure syms are dynamic if we might be emitting a reloc.
(allocate_plt_and_got_and_discard_relocs): Don't discard relocs
for undefweak or undefined syms..
(elf_i386_relocate_section <R_386_32, R_386_PC32>): .. and emit.
Alan Modra [Mon, 25 Jun 2001 03:30:26 +0000 (03:30 +0000)]
* readelf.c (dump_relocations): Print "bad symbol index" if
symtab == NULL with non-zero symtab_index.
(process_relocs): Don't bomb if reloc section has no symsec.
* objcopy.c (strip_main): Revert the change made on 2001-05-30
by accident.
(copy_main): Apply the the change made to strip_main on
2001-05-30 by accident.
* config/tc-m88k.c (md_number_to_imm): Remove; unused since 1993.
(emit_relocations): Ditto.
(s_bss): Ditto.
(md_begin): Reformat comments to conform to the GNU standards.
(md_assemble): Ditto.
* config/tc-m88k.c (get_reg): Adjust type of `reg_prefix' to char.
(md_parse_option): Mark parameters as unused.
(md_show_usage): Ditto.
(calcop): Adjust type of `reg_prefix' to char.
(get_reg): Ditto.
(getval): Adjust type of local `c' to char.
(md_create_short_jump): Mark from_addr, to_addr params as unused.
(md_create_long_jump): Ditto.
(md_estimate_size_before_relax): Mark parameters as unused.
* elf32-i386.c (elf_i386_relocate_section): Check the
ELF_LINK_HASH_DEF_DYNAMIC to see if a symbol is not defined
in the regular object file and treat the weak definition as
the normal one.
Alan Modra [Sat, 23 Jun 2001 15:02:43 +0000 (15:02 +0000)]
* elf32-i386.c (elf_i386_relocate_section <R_386_GOT32>): Tighten
unresolved_reloc test to exclude cases where we use "relocation"
before setting it to point into the .got. Reinstate fudge for
unresolved relocs in debugging sections.
Alan Modra [Sat, 23 Jun 2001 11:01:44 +0000 (11:01 +0000)]
* elf32-i386.c (elf_i386_relocate_section): Replace ugly
complicated tests for unresolvable relocs with a simple direct
scheme using "unresolved_reloc" var.
Alan Modra [Sat, 23 Jun 2001 05:54:15 +0000 (05:54 +0000)]
Avoid creating COPY relocs if possible.
* elf32-i386.c (elf_i386_check_relocs): Tweak condition under
which .got created. Mark symbols used by R_386_32 and R_386_PC32
relocs as ELF_LINK_NON_GOT_REF to create COPY relocs only when the
reloc is in a read-only section. Instead, allocate space for a
dynamic reloc to reference the library symbol directly. Keep
track of space we allocate using pcrel_relocs_copied.
(discard_copies): Delete, and move code to ..
(allocate_plt_and_got): ..here. Rename to
allocate_plt_and_got_and_discard_relocs. Remove unneeded dynamic
relocs for non-shared link.
(elf_i386_size_dynamic_sections): Update calls to above functions.
(elf_i386_relocate_section): Write out the dynamic relocs. Add
more ugly logic to avoid "unresolvable relocation" error. Use
htab shortcut in place of elf_hash_table macro.
(elf_i386_finish_dynamic_sections): Allow that dynamic .got may
not always be created now.
Andrew Cagney [Thu, 21 Jun 2001 19:27:50 +0000 (19:27 +0000)]
* mi-out.c (struct ui_out_data): Replace field first_header with
suppress_output.
(mi_begin, mi_end): Check suppress_header.
(mi_field_int, mi_field_skip): Ditto.
(mi_field_string, mi_field_fmt): Ditto.
(mi_table_begin): When nr_rows is zero, set suppress_header else,
output the start of the header.
(mi_table_body): Clear suppress header.
Alan Modra [Thu, 21 Jun 2001 06:12:11 +0000 (06:12 +0000)]
* config/tc-hppa.c (CHECK_FIELD_WHERE): Define.
(md_apply_fix): Use it here. Replace printf with equivalent
as_bad_where.
(tc_gen_reloc): Use as_bad_where instead of as_bad.
(md_apply_fix): Here too.
* config/tc-i386.c (tc_gen_reloc): Use as_bad_where instead of as_bad.
* config/tc-m68k.c (tc_gen_reloc): Likewise.
(md_convert_frag_1): Likewise.
Alan Modra [Thu, 21 Jun 2001 05:47:12 +0000 (05:47 +0000)]
* elf32-hppa.c (elf32_hppa_size_dynamic_sections): Always
allocate local .got space. Use shortcuts from hash table for .got
and .plt rather than comparing section names.
(elf32_hppa_check_relocs): Use local_plt_refcounts var rather than
adjusting index into local_got_refcounts to document what we are
really doing.
(elf32_hppa_relocate_section): Similarly for local_plt_offsets.
Tidy .got and .plt error checking.
* bfdint.texi (BFD relocation functions) <different formats>:
Mention that the GNU linker is aware of input-output format
restrictions when generating relocatable output. Make new
paragraph for final-link case.
(BFD target vector swap): Fix typo.
Catherine Moore [Wed, 20 Jun 2001 20:34:10 +0000 (20:34 +0000)]
* elf-bfd.h (struct elf_backend_data):
elf_backend_emit_relocs: New field: Function for emitting
relocs.
elf_backend_count_relocs: New field: Function for determining
the number of relocs to be emitted.
* elfxx-target.h: Provide default (NULL) values for
elf_backend_emit_relocs and elf_backend_count_relocs.
* elflink.h (elf_link_size_reloc_section): Make the hash table
big enough to hold the relocs counted by either reloc_count or
o->reloc_count.
(elf_bfd_final_link) emit_relocs: New boolean, set if relocs
should be emitted, either because of a command line option
stored in the info structure or because the target provides a
special reloc emitting function.
If the target provides a reloc counting function use it,
unless performing a relocatable link or emitting all relocs.
Also set the SEC_RELOC flag on any output section which will
contain relocs.
(elf_link_input_bfd): emit_relocs: New boolean, set if relocs
should be emitted, either because of a command line option
stored in the info structure or because the target provides a
special reloc emitting function.
If the target provides a reloc emitting function, use it,
unless performing a relocatable link or emitting all relocs.
Andrew Cagney [Tue, 19 Jun 2001 20:30:11 +0000 (20:30 +0000)]
* cli-out.c: Include "gdb_assert.h'.
(struct ui_out_data): Add field ``suppress_output.
(cli_table_begin): When NR_ROWS is zero, suppress_output.
(cli_table_end): Clear suppress_output.
(cli_table_body): Check suppress_output.
(cli_table_header, cli_begin): Ditto.
(cli_end, cli_field_int, cli_field_skip): Ditto.
(cli_field_string, cli_field_fmt, cli_spaces): Ditto.
(cli_text, cli_message, cli_wrap_hint): Ditto.
* breakpoint.c (breakpoint_1): Close the ui_out table before
printing the breakpoint not found message.
* emultempl/elf32.em (gld${EMULATION_NAME}_before_allocation):
Update for API change in bfd_elf${ELFSIZE}_size_dynamic_sections.
* mpw-elfmips.c (gldelf32ebmip_before_allocation): Ditto.
* ld.h (args_type): Remove member export_dynamic. All users
changed to use struct bfd_link_info member.
* elflink.h (struct elf_assign_sym_version_info): Remove member
export_dynamic. All users changed to use info member.
NAME(bfd_elf,size_dynamic_sections)): Remove parameter
export_dynamic, instead use member in parameter info.
* bfd-in.h (bfd_elf32_size_dynamic_sections,
bfd_elf64_size_dynamic_sections): Update prototype.
* bfd-in2.h: Regenerate.
* elflink.h (elf_info_failed): Add a new field, verdefs.
(NAME(bfd_elf,size_dynamic_sections): Pass verdefs to
elf_export_symbol.
(elf_export_symbol): Check eif->verdefs to decide if a symbol
should be exported.
Andrew Cagney [Mon, 18 Jun 2001 18:48:06 +0000 (18:48 +0000)]
* breakpoint.c (breakpoint_1): Restructure. Compute the
nr_printable_breakpoints. Move the header output to before the
main print breakpoints loop.
(user_settable_breakpoint): New function.
Andrew Cagney [Mon, 18 Jun 2001 13:14:40 +0000 (13:14 +0000)]
* gdbarch.sh: Generate an error when conflicting macro
definitions. Generate an error when both pure multi-arch and
"tm.h".
* gdbarch.h, gdbarch.c: Regenerate.
* defs.h (GDB_MULTI_ARCH_TM): Rewrite definition.
* elf32-mips.c (mips_elf_link_hash_entry): Add a new field,
readonly_reloc, to record if a relocation in the .rel.dyn
section is against a read-only section.
(mips_elf_link_hash_newfunc): Initialize the readonly_reloc
field to false.
(_bfd_mips_elf_check_relocs): Record if there is a relocation
in the .rel.dyn section against a read-only section by setting
DF_TEXTREL or readonly_reloc.
(_bfd_mips_elf_copy_indirect_symbol): Copy readonly_reloc if
it is true.
(_bfd_mips_elf_adjust_dynamic_symbol): Record DF_TEXTREL if
there is a relocation in the .rel.dyn section against a
read-only section.
(_bfd_mips_elf_size_dynamic_sections): Set DT_TEXTREL if
DF_TEXTREL is set.
Andrew Cagney [Sat, 16 Jun 2001 20:00:24 +0000 (20:00 +0000)]
* arch-utils.c (init_frame_pc_default): New function
* arch-utils.h (init_frame_pc_default): Declare.
* gdbarch.sh (INIT_FRAME_PC): Default to init_frame_pc_default and
not init_frame_pc_noop.
* gdbarch.h, gdbarch.c: Re-generate.
* blockframe.c (INIT_FRAME_PC): Delete macro definition.
* mips-tdep.c (mips_gdbarch_init): Set init_frame_pc to
init_frame_pc_noop.
* infrun.c (context_switch): New function. Abstract the operation
of saving and restoring infrun's state when switching threads.
(handle_inferior_event): Normalize the handling of the 'thread hop'
event (when the wrong thread hits a thread-specific breakpoint,
and we need to solo-step that thread past the breakpoint).
Call keep_going, instead of target_resume. Handle the subsequent
singlestep-trap as a normal event instead of just resuming.
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