[PATCH 3/4] Add readelf/objdump support for version 2 DWARF package files

[nick clifton]

Hi Cary,

> This patch adds readelf/objdump support for version 2 of the proposed DWARF
> package file format, documented here:
>
>     http://gcc.gnu.org/wiki/DebugFissionDWP

> binutils/
>          * dwarf.c (cu_tu_indexes_read, shndx_pool, shndx_pool_size)
>          (shndx_pool_used): Move to top of file.
>          (struct cu_tu_set): New type.
>          (cu_count, tu_count, cu_sets, tu_sets): New file scope variables.
>          (fetch_indexed_string): Add "this_set" parameter.  Update all callers.
>          (find_cu_tu_set_v2): New function.
>          (read_and_display_attr_value): Add "this_set" parameter.
>          (read_and_display_attr): Likewise.
>          (process_debug_info): Track base offsets for DWARF package files.
>          (load_debug_info): Call load_cu_tu_indexes.
>          (get_DW_SECT_short_name): New function.
>          (process_cu_tu_index): Add support for version 2 DWARF package files.

Approved - please apply - but, please could you also include the link 
above as a comment somewhere so that interested parties reading the 
source code can find out about DWARF package files.

Cheers
   Nick