* gdb.texinfo (Index Section Format): Change the version to 5.
Describe the different formula.
gdb/
Case insensitive lookups implementation.
* dwarf2read.c: Include ctype.h.
(struct mapped_index): New field version.
(mapped_index_string_hash): New parameter index_version. New comment
for it. Call tolower appropriately.
(find_slot_in_mapped_hash): New variable cmp, initialize it, use it.
Choose the right index version for mapped_index_string_hash.
(dwarf2_read_index): Support also the index version 5. Initialize the
new struct mapped_index field version.
(hash_strtab_entry): Pass INT_MAX for the new parameter, explain why.
(find_slot): Explain the version needs. Pass INT_MAX for the new
parameter.
(write_psymtabs_to_index): Produce version 5.
* minsyms.c (lookup_minimal_symbol): New variable cmp, initialize it,
use it. New comment for SYMBOL_MATCHES_SEARCH_NAME.
* psymtab.c (lookup_partial_symbol): Find the
SYMBOL_MATCHES_SEARCH_NAME start of the found block of matching
entries.
* symtab.c (lookup_symbol_in_language): Remove the case_sensitive_off
NAME lowercasing.
(search_symbols): Pass REG_ICASE to regcomp for case_sensitive_off.
(completion_list_add_name): New variable ncmp, initialize it, use it.
* symtab.h (SYMBOL_HASH_NEXT): Always call tolower.
* utils.c (strcmp_iw): Support case_sensitive_off.
(strcmp_iw_ordered): Sort in a way compatible with case_sensitive_off.
New function comment part. New variables saved_string1,
saved_string2 and case_pass. Add a proper second pass.
gdb/testsuite/
* gdb.base/fortran-sym-case.c: New file.
* gdb.base/fortran-sym-case.exp: New file.
* gdb.dwarf2/dw2-case-insensitive-debug.S: New file.
* gdb.dwarf2/dw2-case-insensitive.c: New file.
* gdb.dwarf2/dw2-case-insensitive.exp: New file.
Code cleanup.
* dictionary.c (dict_hash): Use SYMBOL_HASH_NEXT.
* dwarf2read.c (mapped_index_string_hash): Refer to SYMBOL_HASH_NEXT
in the function comment, a new note on values compatibility.
* minsyms.c (msymbol_hash_iw, msymbol_hash): Use SYMBOL_HASH_NEXT.
* symtab.h (SYMBOL_HASH_NEXT): New.
Support resolution of STT_GNU_IFUNC via breakpoints.
* breakpoint.c (print_it_typical): Support bp_gnu_ifunc_resolver and
bp_gnu_ifunc_resolver_return.
(bpstat_what): Rename parameter to bs_head, new variable bs, adjust
the loop. Support bp_gnu_ifunc_resolver and
bp_gnu_ifunc_resolver_return. New comment after the loop. New loop
for bp_gnu_ifunc_resolver and bp_gnu_ifunc_resolver_return
breakpoints.
(bptype_string, print_one_breakpoint_location): Support
bp_gnu_ifunc_resolver and bp_gnu_ifunc_resolver_return.
(user_settable_breakpoint): Return true also for
bp_gnu_ifunc_resolver.
(allocate_bp_location): Support bp_gnu_ifunc_resolver and
bp_gnu_ifunc_resolver_return.
(set_breakpoint_location_function): New parameter explicit_loc,
describe it. Call find_pc_partial_function_gnu_ifunc with new
variable IS_GNU_IFUNC and adjust the address for STT_GNU_IFUNC if
EXPLICIT_LOC is not set.
(set_raw_breakpoint): Set EXPLICIT_LOC for
set_breakpoint_location_function.
(clone_momentary_breakpoint): Use true for EXPLICIT_LOC of
set_breakpoint_location_function.
(mention): Support bp_gnu_ifunc_resolver and
bp_gnu_ifunc_resolver_return.
(add_location_to_breakpoint): Set EXPLICIT_LOC for
set_breakpoint_location_function.
(update_breakpoint_locations): Remove static.
(breakpoint_re_set_one): Support bp_gnu_ifunc_resolver and
bp_gnu_ifunc_resolver_return.
* breakpoint.h (enum bptype): New fields bp_gnu_ifunc_resolver and
bp_gnu_ifunc_resolver_return.
(update_breakpoint_locations): New declaration.
* elfread.c: Include gdbthread.h and regcache.h.
(elf_gnu_ifunc_resolver_stop, elf_gnu_ifunc_resolver_return_stop): New
functions.
(elf_gnu_ifunc_fns): Install them.
* minsyms.c (stub_gnu_ifunc_resolver_stop)
(stub_gnu_ifunc_resolver_return_stop): New functions.
(stub_gnu_ifunc_fns): Install them.
* symtab.h (struct gnu_ifunc_fns): New fields gnu_ifunc_resolver_stop
and gnu_ifunc_resolver_return_stop.
(gnu_ifunc_resolver_stop, gnu_ifunc_resolver_return_stop): New.
GDB internal type support for STT_GNU_IFUNC.
* elfread.c (record_minimal_symbol): Support mst_text_gnu_ifunc.
(elf_symtab_read): Set mst_text_gnu_ifunc for
BSF_GNU_INDIRECT_FUNCTION.
* eval.c (evaluate_subexp_standard): Support TYPE_GNU_IFUNC.
* gdbtypes.c (init_type): Support TYPE_FLAG_GNU_IFUNC,
builtin_func_func, nodebug_text_gnu_ifunc_symbol and
nodebug_got_plt_symbol.
* gdbtypes.h (enum type_flag_value): New entry TYPE_FLAG_GNU_IFUNC.
(TYPE_GNU_IFUNC): New.
(struct main_type): New field flag_gnu_ifunc.
(struct builtin_type): New field builtin_func_func.
(struct objfile_type): New fields nodebug_text_gnu_ifunc_symbol and
nodebug_got_plt_symbol.
* minsyms.c (lookup_minimal_symbol_text): Support mst_text_gnu_ifunc.
(in_gnu_ifunc_stub): New.
(prim_record_minimal_symbol, find_solib_trampoline_target): Support
mst_text_gnu_ifunc.
* parse.c (write_exp_msymbol): New variable ifunc_msym. Detect and
support mst_text_gnu_ifunc. Support mst_slot_got_plt.
* solib-svr4.c (svr4_in_dynsym_resolve_code): Return true also for
in_gnu_ifunc_stub.
* symmisc.c (dump_msymbols): Support mst_text_gnu_ifunc.
* symtab.c (search_symbols): Likewise.
* symtab.h (enum minimal_symbol_type): New fields mst_text_gnu_ifunc
and mst_slot_got_plt.
(in_gnu_ifunc_stub): New declaration.
* m2-lang.c: White space.
* m2-valprint.c: White space.
* macrocmd.c: White space.
* macroexp.c: White space.
* macroscope.c: White space.
* macrotab.c: White space.
* main.c: White space.
* maint.c: White space.
* mdebugread.c: White space.
* memattr.c: White space.
* minsyms.c: White space.
* monitor.c: White space.
* symtab.c (lookup_global_symbol_from_objfile): Rename objfile
parameter to main_objfile. Iterate on all separate debug objfiles.
* symfile.h (symbol_file_add_separate)
(find_separate_debug_file_by_debuglink): Remove parameter names.
* symfile.c (symbol_file_add_separate): Use add_separate_objfile.
(reread_symbols): Use free_objfile_separate_debug.
* objfiles.h (struct objfile): Add separate_debug_objfile_link.
Adjust comment.
(objfile_separate_debug_iterate, add_separate_debug_objfile)
(free_objfile_separate_debug): New prototypes.
* objfiles.c (objfile_separate_debug_iterate): New function.
(add_separate_debug_objfile, free_objfile_separate_debug): New
functions.
(free_objfile): Use free_objfile_separate_debug. Adjust for
multiple separate debug objfile.
(objfile_has_symbols): Adjust comment. Iterate on all separate
debug objfiles.
* minsyms.c (lookup_minimal_symbol): Adjust for multiple separate
debug objfile.
(lookup_minimal_symbol_text): Ditto.
(lookup_minimal_symbol_by_pc_name): Ditto.
(lookup_minimal_symbol_solib_trampoline): Ditto.
(lookup_minimal_symbol_by_pc_section_1): Iterate on all separate
debug objfiles.
* NEWS: Document inlined function support.
* Makefile.in (SFILES): Add inline-frame.c.
(COMMON_OBS): Add inline-frame.o.
* block.c (contained_in): Rewrite to use lexical nesting.
(block_linkage_function): Skip inlined function blocks.
(block_inlined_p): New.
* block.h (struct block): Update comment.
(block_inlined_p): New prototype.
* blockframe.c (get_frame_block): Handle inlined functions.
(get_frame_function): Do not use block_linkage_function.
(block_innermost_frame): Use get_frame_block and contained_in.
* breakpoint.c (watchpoint_check): Remove extra reinit_frame_cache.
Skip over inlined functions. Simplify epilogue check.
(bpstat_check_breakpoint_conditions): Use get_stack_frame_id.
Update comments.
(set_momentary_breakpoint): Only accept non-inlined frames.
(watch_command_1): Use frame_unwind_caller_pc and
frame_unwind_caller_id instead of get_prev_frame.
(until_break_command): Likewise. Use get_stack_frame_id.
* buildsym.c (end_symtab): Set SYMBOL_SYMTAB for block functions.
* dwarf2loc.c (dwarf_expr_frame_base): Use block_linkage_function.
* dwarf2read.c (process_die): Handle DW_TAG_inlined_subroutine.
(read_func_scope, new_symbol): Likewise. Handle arguments specially
for inlined functions without call site information.
(inherit_abstract_dies): Allow tag mismatch for inlined subroutines.
(die_specification): Treat DW_AT_abstract_origin as a specification.
(read_type_die): Handle DW_TAG_inlined_subroutine.
* frame-unwind.c (frame_unwind_init): Add inline_frame_unwind.
* frame.c (fprint_frame_id): Print inline depth.
(fprint_frame_type): Handle INLINE_FRAME and SENTINEL_FRAME.
(skip_inlined_frames, get_stack_frame_id): New.
(frame_unwind_caller_id): Use skip_inlined_frames.
(frame_id_inlined_p): New.
(frame_id_eq): Make the logic match the comments. Add inline_depth
check.
(frame_id_inner): Handle inlined functions.
(frame_unwind_pc): New function, copied from frame_unwind_caller_pc.
(frame_unwind_caller_pc): Use skip_inlined_frames and frame_unwind_pc.
(get_prev_frame_1): Check for inline frames. Split out frame
allocation to get_prev_frame_raw.
(get_prev_frame_raw): New function.
(get_prev_frame): Handle inline frames.
(get_frame_pc): Use frame_unwind_pc.
(get_frame_address_in_block): Skip inlined frames on both sides.
(pc_notcurrent): Delete.
(find_frame_sal): Rewrite to handle inline call sites. Use
get_frame_address_in_block.
(deprecated_update_frame_pc_hack): Make static.
* frame.h: Update comments.
(struct frame_id): Add inline_depth.
(enum frame_type): Add INLINE_FRAME.
(frame_id_inlined_p, get_stack_frame_id): New prototypes.
* gdbthread.h (struct thread_info): Add step_stack_frame_id field.
* infcmd.c (set_step_frame): New function.
(step_once): Use set_step_frame. Handle inlined functions.
(until_next_command): Use set_step_frame.
(finish_backward), finish_forward): Use get_stack_frame_id.
(finish_command): Support inlined functions.
* inferior.h (set_step_info): New prototype.
* infrun.c (RESUME_ALL): Use minus_one_ptid.
(clear_proceed_status): Clear step_stack_frame_id.
(init_wait_for_inferior): Call clear_inline_frame_state.
(init_execution_control_state): Make static.
(set_step_info): New function.
(init_thread_stepping_state): Do not set the symtab or line here.
(stepped_in_from): New function.
(handle_inferior_event): Handle inlined functions. Use set_step_info.
(insert_step_resume_breakpoint_at_frame): Use get_stack_frame_id.
(struct inferior_status): Add step_stack_frame_id.
(save_inferior_status, restore_inferior_status): Save and restore
step_stack_frame_id.
* inline-frame.c, inline-frame.h: New files.
* minsyms.c (prim_record_minimal_symbol_and_info): Use XCALLOC.
* regcache.c (regcache_write_pc): Call reinit_frame_cache.
* s390-tdep.c (s390_prologue_frame_unwind_cache): Handle INLINE_FRAME.
* stack.c (frame_show_address): New.
(print_frame_info, print_frame): Use it.
(find_frame_funname): Use get_frame_function. Handle inlined blocks.
(frame_info): Mark inlined functions.
(backtrace_command_1): Use get_current_user_frame.
(print_frame_local_vars, print_frame_label_vars): Update comments.
(return_command): Refuse inlined functions.
* symtab.c (lookup_symbol_aux_local): Stop at inlined function
boundaries.
(find_function_start_sal): Avoid inlined functions.
(completion_list_add_fields): New function.
(default_make_symbol_completion_list): Use it. Use block_static_block
and block_global_block. Check for inlined functions.
(skip_prologue_using_sal): Avoid line number comparison across
inlining.
* symtab.h (struct symbol): Add is_inlined.
(SYMBOL_INLINED): New.
* target.c (target_resume): Call clear_inline_frame_state.
* valops.c (value_of_variable): Check block_inlined_p.
gdb/doc/
* gdb.texinfo (Debugging Optimized Code): New chapter.
(Compiling for Debugging): Reference it. Move some
text to the new section.
gdb/testsuite/
* gdb.base/break.exp: Add an XFAIL for gcc/36748.
* gdb.cp/annota2.exp: Accept frames-invalid in more places.
* gdb.opt/Makefile.in (EXECUTABLES): Update.
* gdb.opt/clobbered-registers-O2.exp: Update to GPL v3.
* gdb.opt/inline-bt.c, gdb.opt/inline-bt.exp,
gdb.opt/inline-cmds.c, gdb.opt/inline-cmds.exp,
gdb.opt/inline-locals.c, gdb.opt/inline-locals.exp,
gdb.opt/inline-markers.c: New files.
* lib/gdb.exp (skip_inline_frame_tests): New function.
(skip_inline_var_tests): New function.
(find_pc_sect_symtab): Likewise.
* symmisc.c (dump_msymbols): Use MSYMBOL_TYPE.
* solib-som.c (som_solib_desire_dynamic_linker_symbols): Use
MSYMBOL_TYPE, not SYMBOL_TYPE.
* parse.c (write_exp_msymbol): Use MSYMBOL_TYPE.
* objc-lang.c (find_methods): Use MSYMBOL_TYPE.
* minsyms.c (lookup_minimal_symbol_by_pc_section_1): Use
MSYMBOL_TYPE.
* m2-exp.y (yylex): Use SYMBOL_CLASS.
* blockframe.c (find_pc_partial_function): Likewise.
* buildsym.c (find_symbol_in_list): Likewise.
* c-valprint.c (c_val_print): Likewise.
* coffread.c (patch_opaque_types, process_coff_symbol): Likewise.
(coff_read_enum_type): Likewise. Use SYMBOL_SET_LINKAGE_NAME.
* cp-support.c (cp_remove_params): Renamed from remove_params and
made global.
(overload_list_add_symbol): Update call to remove_params.
* cp-support.h (cp_remove_params): Declare.
* dwarf2read.c (process_enumeration_scope): Use SYMBOL_LINKAGE_NAME.
(dwarf2_const_value): Use SYMBOL_PRINT_NAME.
* expprint.c (dump_subexp_body_standard): Likewise.
* f-valprint.c (info_common_command, there_is_a_visible_common_named):
Use SYMBOL_LINKAGE_NAME to find symbols and SYMBOL_PRINT_NAME
for messages.
* findvar.c (read_var_value): Use SYMBOL_LINKAGE_NAME.
* gnu-v2-abi.c (gnuv2_value_rtti_type): Likewise.
* hppa-hpux-tdep.c (hppa32_hpux_in_solib_call_trampoline)
(hppa_hpux_skip_trampoline_code): Use SYMBOL_LINKAGE_NAME to find
symbols and SYMBOL_PRINT_NAME for messages.
* jv-lang.c (add_class_symbol): Use SYMBOL_SET_LINKAGE_NAME.
* linespec.c (decode_line_2): Use SYMBOL_LINKAGE_NAME.
* mdebugread.c (parse_symbol): Use SYMBOL_LINKAGE_NAME and
SYMBOL_SET_LINKAGE_NAME.
(mylookup_symbol): Use SYMBOL_LINKAGE_NAME.
* minsyms.c (add_minsym_to_demangled_hash_table): Use
SYMBOL_SEARCH_NAME.
(lookup_minimal_symbol): Use SYMBOL_LINKAGE_NAME or
SYMBOL_MATCHES_SEARCH_NAME, depending on the pass.
* objfiles.h (ALL_OBJFILE_MSYMBOLS): Use SYMBOL_LINKAGE_NAME.
* printcmd.c (build_address_symbolic): Use SYMBOL_LINKAGE_NAME.
(address_info): Use SYMBOL_PRINT_NAME for messages and
SYMBOL_LINKAGE_NAME for lookups.
* sol-thread.c (info_cb): Use SYMBOL_PRINT_NAME for messages.
* stabsread.c (patch_block_stabs, define_symbol)
(read_type, read_enum_type, common_block_end)
(cleanup_undefined_types_1, scan_file_globals): Use
SYMBOL_LINKAGE_NAME, SYMBOL_SET_LINKAGE_NAME, ALL_OBJFILE_MSYMBOLS,
and SYMBOL_PRINT_NAME.
* stack.c (print_frame_args): Use SYMBOL_LINKAGE_NAME.
(print_frame, frame_info): Use SYMBOL_PRINT_NAME for output. Use
cp_remove_params instead of cplus_demangle.
(print_block_frame_labels, print_frame_arg_vars): Use
SYMBOL_LINKAGE_NAME.
* symmisc.c (dump_msymbols): Use ALL_OBJFILE_MSYMBOLS and
SYMBOL_LINKAGE_NAME.
(dump_symtab_1, print_symbol, print_partial_symbols)
(maintenance_check_symtabs): Use SYMBOL_LINKAGE_NAME.
* symtab.h (DEPRECATED_SYMBOL_NAME): Delete.
(SYMBOL_SET_LINKAGE_NAME): New.
(SYMBOL_SET_NAMES): Add a comment.
* tracepoint.c (set_traceframe_context, validate_actionline)
(collect_symbol, scope_info): Use SYMBOL_LINKAGE_NAME for
lookups and SYMBOL_PRINT_NAME for output.
* typeprint.c (typedef_print): Use SYMBOL_LINKAGE_NAME.
* xcoffread.c (process_xcoff_symbol): Use SYMBOL_SET_LINKAGE_NAME.
2008-05-15 Pedro Alves <pedro@codesourcery.com>
Ulrich Weigand <uweigand@de.ibm.com>
* minsyms.c (lookup_minimal_symbol_by_pc_name): New function.
* symtab.h (lookup_minimal_symbol_by_pc_name): Add prototype.
* symtab.c (fixup_section): Remove prototype. Add ADDR parameter;
use it instead of ginfo->value.address. Look up minimal symbol by
address and name. Assume OBJFILE is non-NULL.
(fixup_symbol_section): Ensure we always have an objfile to look
into. Extract and pass to fixup_section the symbol's address that
will match the minimal symbol's address.
(fixup_psymbol_section): Likewise.
(find_pc_sect_psymtab): Fall back to non-addrmap case when debugging
overlays and the addrmap returned the wrong section.
* dwarf2read.c (var_decode_location): Set SYMBOL_CLASS before
calling fixup_symbol_section.
gdb/testsuite/
2008-05-15 Pedro Alves <pedro@codesourcery.com>
* gdb.base/fixsection.exp: New file.
* gdb.base/fixsection0.c: New file.
* gdb.base/fixsection1.c: New file.
* minsyms.c (lookup_minimal_symbol_by_pc_section_1): Renamed from
lookup_minimal_symbol_by_pc_section. Prefer trampolines if requested.
(lookup_minimal_symbol_by_pc_section): Use
lookup_minimal_symbol_by_pc_section_1.
(lookup_solib_trampoline_symbol_by_pc): Likewise.
(minsym_found): Handle minimal symbols pointing to function
descriptors. Use find_function_start_pc.
* minsyms.c (msymbol_objfile): New function.
* parse.c (write_exp_msymbol): Handle minimal symbols pointing
to function descriptors.
* symtab.c (fixup_section): Only use minimal symbol at the same
address to determine section of a symbol.
(find_function_start_pc): New function.
(find_function_start_sal): Use it.
* symtab.h (msymbol_objfile): Add prototype.
(find_function_start_pc): Likewise.
* value.c: Include "objfiles.h".
(value_fn_field): Handle minimal symbols pointing to function
descriptors.
* Makefile.in (linespec.o): Update dependencies.
(value.o): Likewise.
size to control the cache entry, if available.
* minsyms.c (lookup_minimal_symbol_by_pc_section): Handle minimal
symbols with zero and non-zero sizes differently.
* gdb.arch/i386-size.c, gdb.arch/i386-size.exp: New files.
(SYMBOL_MATCHES_SEARCH_NAME): New definition.
(symbol_search_name): Declare.
* dictionary.c (iter_name_first_hashed): Match on SYMBOL_SEARCH_NAME.
(iter_name_next_hashed): Ditto.
(iter_name_next_linear): Ditto.
(insert_symbol_hashed): Hash on SYMBOL_SEARCH_NAME.
* symtab.c (lookup_partial_symbol): Assume symbols ordered by
search name, using SYMBOL_SEARCH_NAME and SYMBOL_MATCHES_SEARCH_NAME.
(symbol_search_name): New function.
* symfile.c (compare_psymbols): Order by SYMBOL_SEARCH_NAME.
* minsyms.c (build_minimal_symbol_hash_tables): Change
test for adding to demangled hash table to check for difference
between SYMBOL_SEARCH_NAME and SYMBOL_LINKAGE_NAME.
* blockframe.c (find_pc_partial_function): If find_pc_overlay
fails, try find_pc_section. Fix PR c++/1267.
* minsyms.c (lookup_minimal_symbol_by_pc): Use find_pc_section
instead of find_pc_mapped_section.
(lookup_minimal_symbol_by_pc_section): If the SECTION is NULL, do
not default to the section containing PC. Fix PR symtab/1519.
Jan Kratochvil
Kai Tietz
Pedro Alves
Michael Snyder
Joel Brobecker
Sami Wagiaalla
Tom Tromey
Tristan Gingold
Paul Pluzhnikov
Daniel Jacobowitz
Ulrich Weigand
Eli Zaretskii
Jim Blandy
Paul N. Hilfinger
Corinna Vinschen
Andrew Cagney
Elena Zannoni
Michael Chastain