binutils/

* dwarf.c (do_debug_addr, do_debug_cu_index): New global flags.
	(load_debug_info): Fix typo.
	(cu_tu_indexes_read, shndx_pool, shndx_pool_size, shndx_pool_used):
	New global variables.
	(prealloc_cu_tu_list, add_shndx_to_cu_tu_entry, end_cu_tu_entry)
	(process_cu_tu_index, load_cu_tu_indexes, find_cu_tu_set)
	(display_cu_index): New functions.
	(dwarf_select_sections_by_names): Add "debug_addr", "cu_index".
	Sort entries alphabetically.
	(dwarf_select_sections_all): Set do_debug_addr, do_debug_cu_index.
	(debug_displays): Add .debug_cu_index, .debug_tu_index.
	Clean up formatting.
	* dwarf.h (dwarf_section_display_enum): Add dwp_cu_index,
	dwp_tu_index.
	(do_debug_addr, do_debug_cu_index): New global flags.
	(find_cu_tu_set): New function declaration.
	* objdump.c (usage): Add --dwarf=addr, --dwarf=cu_index.
	* readelf.c (find_section_in_set): New function.
	(usage): Add --debug-dump=addr, --debug_dump=cu_index.
	(process_section_headers): Check do_debug_addr and do_debug_cu_index.
	(section_subset): New global variable.
	(load_debug_section): Restrict search to section subset.
	(display_debug_section): Add section index as paramter.  Select subset
	of sections when dumping a .dwp file.  Update caller.

binutils/objdump.c

@@ -216,7 +216,8 @@ usage (FILE *stream, int status)
   -W[lLiaprmfFsoRt] or\n\
   --dwarf[=rawline,=decodedline,=info,=abbrev,=pubnames,=aranges,=macro,=frames,\n\
           =frames-interp,=str,=loc,=Ranges,=pubtypes,\n\
-          =gdb_index,=trace_info,=trace_abbrev,=trace_aranges]\n\
+          =gdb_index,=trace_info,=trace_abbrev,=trace_aranges,\n\
+          =addr,=cu_index]\n\
                            Display DWARF info in the file\n\
   -t, --syms               Display the contents of the symbol table(s)\n\
   -T, --dynamic-syms       Display the contents of the dynamic symbol table\n\