[google/gcc-4_6] Fission improvements and bug fixes (issue6189052)

[Diego Novillo]

On 12-05-07 10:56 , Cary Coutant wrote:

> 2012-05-07   Sterling Augustine<saugustine@google.com>
> 	Cary Coutant<ccoutant@google.com>
>
> include/
>
> 	* dwarf2.h (enum dwarf_form): Remove DW_FORM_GNU_ref_index.
> 	(enum dwarf_attribute): Replace DW_AT_GNU_ref_base with
> 	DW_AT_GNU_ranges_base.
>
> gcc/
>
> 	* gcc/dwarf2out.c (debug_ref_section): Remove.
> 	(struct dw_loc_list_struct): Add begin_index, end_index fields.
> 	(DEBUG_REF_SECTION): Remove.
> 	(DEBUG_NORM_MACINFO_SECTION, DEBUG_DWO_MACINFO_SECTION): New macros.
> 	(DEBUG_MACINFO_SECTION): Define condtionally on
> 	dwarf_split_debug_info.
> 	(DEBUG_DWO_LOC_SECTION): New macro.
> 	(DEBUG_REF_SECTION_LABEL): Remove.
> 	debug_ref_section_label: Remove.
> 	(dwarf_attr_name): Replace DW_AT_GNU_ref_base with
> 	DW_AT_GNU_ranges_base.
> 	(dwarf_form_name): Remove DW_FORM_GNU_ref_index.
> 	(AT_index): Adjust comment.
> 	(addr_index_table): Adjust comment.
> 	(ref_index_table): Remove.
> 	(add_ref_table_entry): Remove.
> 	(add_AT_range_list): Save offset for direct references.
> 	(size_of_die): Always use offset size for range list references.
> 	(value_format): Use section offset for range list and location list
> 	references.
> 	(new_loc_list): Initialize begin_index and end_index.
> 	(output_loc_list): Handle special format for .debug_loc.dwo sections.
> 	(output_range_list_offset): Output plain offset for range list
> 	reference when splitting dwarf info.
> 	(output_loc_list_offset): Output plain offset for location list
> 	reference when splitting dwarf info.
> 	(output_attr_index_or_value): Remove case dw_val_class_range_list.
> 	(output_die): Call output_range_list_offset for range list references.
> 	(add_top_level_skeleton_die_attrs): Remove DW_AT_GNU_ref_base.
> 	(add_enumerator_pubname): Remove SEP parameter; add correct pubtype
> 	entry for anonymous enums.
> 	(add_pubtype): Add correct pubtype entry for anonymous enums.
> 	(gen_enumeration_type_die): Likewise.
> 	(dwarf2out_init): Create .debug_loc.dwo section; remove
> 	debug_ref_section.
> 	(output_ref_table): Remove.
> 	(index_location_lists): Set begin_index and end_index for each item
> 	in a location list.
> 	(dwarf2out_finish): Add DW_AT_macro_info to the compile_unit DIE
> 	instead of the skeleton.  Don't call index_location_lists when not
> 	splitting dwarf info.  Add DW_AT_GNU_ranges_base attribute to
> 	compile_unit DIE.  Move generation of loc_section_label to
> 	dwarf2out_init.  Remove .debug_ref section.

OK.


Diego.