binutils/

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.