diff options
Diffstat (limited to 'gdb/ChangeLog')
| -rw-r--r-- | gdb/ChangeLog | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index f1f629d..f1571ae 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,107 @@ 2012-04-28 Doug Evans <dje@google.com> + Initial support for Fission. http://gcc.gnu.org/wiki/DebugFission + * symfile.c (default_symfile_relocate): Use sectp->owner instead of + objfile->obfd. + * symfile.h (dwarf2_debug_sections): New member addr. + * dwarf2expr.c (execute_stack_op): New case DW_OP_GNU_addr_index. + (ctx_no_get_addr_index): New function. + * dwarf2expr.h (dwarf_expr_context_funcs): New member get_addr_index. + (ctx_no_get_addr_index): Declare. + * dwarf2-frame.c (dwarf2_frame_ctx_funcs): Update. + * dwarf2loc.c (dwarf_expr_get_addr_index): New function. + (dwarf_expr_ctx_funcs): Update. + (needs_get_addr_index): New function. + (needs_frame_ctx_funcs): Update. + * dwarf2loc.h (dwarf2_read_addr_index): Declare. + * dwarf2read.c: #include "gdbcore.h". + (dwarf2_per_objfile): New members addr, dwo_files. + (dwarf2_elf_names): Add entry for addr. + (struct dwo_section_names): New type. + (dwo_section_names): New static global. + (dwarf2_cu): New members dwo_unit, addr_base, have_addr_base. + (dwarf2_per_cu_data): New member is_debug_types, all boolean uses of + old debug_types_section member updated to use this. + Rename member debug_types_section to info_or_types_section, + all uses updated. + (signatured_type): Rename member type_offset to type_offset_in_tu, + all uses updated. New member type_offset_in_section. + (struct dwo_sections): New type. + (struct dwo_unit): New type. + (struct dwo_file): New type. + (die_reader_specs): New member dwo_file. + (dwarf2_locate_sections): Watch for .debug_addr. + (zlib_decompress_section): Use sectp->owner instead of objfile->obfd. + (dwarf2_read_section): Get bfd of section from bfd's asection, + instead of objfile. + (create_cus_from_index): Initialize the_cu->info_or_types_section. + (create_signatured_type_table_from_index): Initialize + sig_type->info_or_types_section. + (dw2_get_file_names): Statement lists for type units with DWO files + live in the DWO file. + (create_debug_types_hash_table): New function. + (create_all_type_units): Rewrite. + (init_cu_die_reader): New arg dwo_file, all callers updated. + (init_and_read_dies_worker): Get section from + this_cu->info_or_types_section. Set sig_type->type_offset_in_section. + Watch for DW_AT_GNU_dwo_name and if present lookup the file and + continue reading the CU/TU from there. + (init_cutu_and_read_dies_no_follow): New arg dwo_file, all callers + updated. Get section from this_cu->info_or_types_section. + (create_all_comp_units): Initialize this_cu->info_or_types_section. + (skip_one_die): New cases DW_FORM_GNU_addr_index, + DW_FORM_GNU_str_index. + (hash_dwo_file, eq_dwo_file): New functions. + (allocate_dwo_file_hash_table): New function. + (hash_dwo_unit, eq_dwo_unit): New functions. + (allocate_dwo_unit_table): New function. + (dwarf2_locate_dwo_sections): New function. + (struct create_dwo_info_table_data): New type. + (create_debug_info_hash_table_reader): New function. + (create_debug_info_hash_table): New function. + (try_open_dwo_file, open_dwo_file, init_dwo_file): New function. + (lookup_dwo_file): New function. + (lookup_dwo_comp_unit, lookup_dwo_type_unit): New functions. + (free_dwo_file, free_dwo_file_cleanup): New functions. + (free_dwo_file_from_slot, free_dwo_files): New functions. + (dwarf2_get_pc_bounds): Handle DW_FORM_GNU_addr_index. + (dwarf2_record_block_ranges): Ditto. + (read_partial_die): Ditto. + (process_enumeration_scope): Update to use type_offset_in_section. + (read_full_die_1): New function. + (read_full_die): Rewrite. + (read_attribute_value): New cases DW_FORM_GNU_addr_index, + DW_FORM_GNU_str_index. + (read_addr_index_1, read_addr_index): New functions. + (read_addr_index_from_leb128): New function. + (struct dwarf2_read_addr_index_data): New type. + (dwarf2_read_addr_index_reader): New function. + (dwarf2_read_addr_index): New function. + (read_str_index): New function. + (leb128_size): New function. + (dwarf_decode_line_header): Delete arg abfd, all callers updated. + If processing a type unit from a DWO file, get the line section + from the DWO file. + (var_decode_location): Watch for DW_OP_GNU_addr_index. + (dwarf2_const_value_attr): New cases DW_FORM_GNU_addr_index, + DW_FORM_GNU_str_index. + (lookup_die_type): Check whether section offset of type's die is + known before looking it up. Remove assert. Condition can + legimately happen for inter-cu type references. + (dwarf_attr_name): Handle Fission attributes. + (dwarf_form_name): Handle Fission forms. + (dump_die_shallow): New cases DW_FORM_GNU_addr_index, + DW_FORM_GNU_str_index. + (follow_die_sig): Update to use type_offset_in_section. + (decode_locdesc): New case DW_OP_GNU_addr_index. + (skip_form_bytes): New cases DW_FORM_GNU_addr_index, + DW_FORM_GNU_str_index. + (cu_debug_loc_section): New function. + (fill_in_loclist_baton, dwarf2_symbol_mark_computed): Call it. + (dwarf2_per_objfile_free): Unmap .debug_addr section. + Free DWO files if present. + * xcoffread.c (dwarf2_xcoff_names): Add .debug_addr. + Refactor DIE reading. * dwarf2read.c (dwarf2_per_objfile): Replace members debug_info_type_hash and debug_types_type_hash with die_type_hash. |