* dummy-frame.c: Include "observer.h".
(dummy_frame_push): Do not check for stale frames.
(dummy_frame_pop): New function.
(cleanup_dummy_frames): New function.
(_initialize_dummy_frame): Install it as inferior_created observer.
* frame.h (struct frame_id): Update comments.
(frame_id_inner): Remove prototype.
* frame.c (frame_id_inner): Make static. Add comments.
(frame_find_by_id): Update frame_id_inner safety net check to avoid
false positives for targets using non-contiguous stack ranges.
(get_prev_frame_1): Update frame_id_inner safety net check.
(frame_pop): Call dummy_frame_pop when popping a dummy frame.
* stack.c (return_command): Directly pop the selected frame.
* infrun.c (handle_inferior_event): Remove dead code.
* i386-tdep.c (i386_push_dummy_call): Update comment.
(scan_dyntag_auxv): New function.
(elf_locate_base): Use it if scan_dyntag fails.
(find_program_interpreter): New function.
(enable_break): Use it instead of .interp section.
(ppc_linux_vmx_regset_sections): New structure.
(ppc_linux_fp_regset_sections): New structure.
(ppc_linux_init_abi): Select core-file regset based on target
features.
(create_overlay_event_breakpoint_1): ... this. Add OBJFILE parameter.
(create_overlay_event_breakpoint): Loop over all objfiles to install
multiple instances of the overlay event breakpoint if present.
(frame_map_name_to_regnum): Remove prototype.
* frame.c (frame_map_regnum_to_name): Remove.
(frame_map_name_to_regnum): Remove.
(frame_unwind_register_value): Use user_reg_map_regnum_to_name
instead of frame_map_regnum_to_name.
* ax-gdb.c: Include "user-regs.h".
(gen_expr): Use user_reg_map_name_to_regnum instead of
frame_map_name_to_regnum.
* eval.c: Include "user-regs.h".
(evaluate_subexp_standard): Use user_reg_map_name_to_regnum
instead of frame_map_name_to_regnum.
* infcmd.c (registers_info): Likewise.
* parse.c: Include "user-regs.h".
(write_dollar_variable): Use user_reg_map_name_to_regnum
instead of frame_map_name_to_regnum.
* tracepoint.c: Include "user-regs.h".
(encode_actions): Use user_reg_map_name_to_regnum
instead of frame_map_name_to_regnum.
* valops.c: Include "user-regs.h".
(value_fetch_lazy): Use user_reg_map_regnum_to_name instead
of frame_map_regnum_to_name.
variable.
(process_full_comp_unit): Do not set processing_current_prefix.
(dwarf2_full_name): New function.
(read_func_scope): Do not set processing_current_prefix. Use
determine_prefix.
(read_structure_type): Do not set processing_current_prefix. Remove
unused inner cleanup.
(process_structure_scope): Do not set processing_current_prefix.
(read_enumeration_type): Use dwarf2_full_name.
(determine_class_name): Return a const char *. Put the result
on the objfile obstack. Use dwarf2_full_name.
(read_namespace_type): New function.
(read_namespace): Do not create the type here. Use
determine_prefix.
(read_typedef): Use dwarf2_full_name. Do not pass the name
to init_type.
(read_base_type): Do not pass the name to init_type. Handle
TYPE_FLAG_NOSIGN.
(read_unspecified_type): Do not pass the name to init_type.
(new_symbol): Use dwarf2_full_name instead of
processing_current_prefix.
(read_type_die): Do not set processing_current_prefix. Handle
DW_TAG_namespace.
(determine_prefix): Handle specifications. Return the result
on the objfile obstack. Handle unions correctly.
cp_scan_for_anonymous_namespaces here.
(finish_block): Do not call cp_set_block_scope here.
* cp-namespace.c (processing_has_namespace_info)
(processing_current_prefix): Delete.
(cp_initialize_namespace): Do not initialize
processing_has_namespace_info.
(cp_scan_for_anonymous_namespaces): Use SYMBOL_DEMANGLED_NAME. Do
not check processing_has_namespace_info.
(cp_set_block_scope): Take prefix and namespace info flag as
arguments. Honor namespaces regardless of a demangled name.
* cp-support.h (processing_has_namespace_info)
(processing_current_prefix): Delete declarations.
(cp_set_block_scope): Update prototype.
* dwarf2read.c (processing_has_namespace_info)
(processing_current_prefix): New static variables.
(read_file_scope): Initialize processing_has_namespace_info.
(read_func_scope): Call cp_set_block_scope for C++.
(new_symbol): Call cp_scan_for_anonymous_namespaces for C++.
* symtab.c (symbol_demangled_name): Accept a const argument.
* symtab.h (symbol_demangled_name): Update prototype.
* 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.
Make the dwarf2_cu * parameter output as well as input. Update it if
we follow a reference to another CU.
(read_func_scope, determine_class_name, namespace_name, dwarf2_attr)
(die_type, die_containing_type): Update calls to changed functions.
Use the returned CU along with the returned DIE.
(read_namespace): Use dwarf2_attr instead of dwarf2_extension.
in the DIEs here.
(process_queue): Do not read in the DIEs here.
(psymtab_to_symtab_1): Update call to queue_comp_unit.
(read_full_die): Do not call queue_comp_unit from here.
(maybe_queue_comp_unit): New function.
(follow_die_ref): Use it.
(struct die_info): Change attrs to a trailing array.
(dwarf_alloc_die): Take the number of attributes. Allocate space
for them.
(read_full_die): Update call to dwarf_alloc_die. Do not manually
allocate attributes.
(struct dwarf2_cu): Replace die_ref_table with die_hash.
(struct die_info): Remove next_ref.
(store_in_ref_table): Remove offset argument. Rewrite to use
htab_find_slot_with_hash.
(die_hash, die_eq): New.
(read_comp_unit): Allocate the die_hash.
(read_die_and_children): Update call to store_die_ref.
(follow_die_ref): Rewrite to use htab_find_with_hash.
(dwarf_alloc_die): Take a CU argument. Allocate the new DIE
on the obstack.
(read_full_die): Update call to dwarf_alloc_die. Allocate
attributes on the CU obstack.
(free_one_comp_unit): Do not call free_die_list.
(read_die_and_siblings): Likewise. Do not add padding DIEs to the
sibling list.
(read_full_die): Do not allocate DIEs for abbrev 0.
(follow_die_ref): Correct error message.
* linespec.c (symtab_from_filename): Also throw NOT_FOUND_ERROR if
there are no symbols loaded, instead of throwing a generic error.
(decode_variable): Likewise.
gdb/testsuite/
* gdb.base/pending.exp: Test pending breakpoints without symbols
loaded.
(obj_section_offset, obj_section_addr, obj_section_endaddr): New
macros.
* objfiles.c (add_to_objfile_sections): Don't set addr, endaddr
and offset. Use size_t instead of unsigned long.
(build_objfile_section_table): Use size_t instead of unsigned
long.
(objfile_relocate): Don't relocate s->addr and s->endaddr, they're
gone.
(find_pc_sect_section): Use obj_section_addr and
obj_section_endaddr.
* symfile.c (symfile.c): Remove code that maps sections
offsets in "addr" to the object's sections.
* blockframe.c (find_pc_partial_function): Use obj_section_endaddr.
* gcore.c (gcore_create_callback): Use obj_section_addr and
obj_section_endaddr.
* maint.c (print_objfile_section_info): Likewise.
* printcmd.c (sym_info): Use obj_section_addr and
obj_section_endaddr.
* symtab.c (fixup_section): Likewise.
