Files
binutils-gdb/binutils/testsuite/binutils-all/objdump.WK2
Nick Clifton 24841daa74 Extend readelf and objdump so that they will display and follow multiple links to separate debug information files.
PR 23843
	* dwarf.h (struct separate_info): New structure for containing
	information on separate debug info files.
	* dwarf.c (struct dwo_info): New structure for containing dwo
	links.
	(first_dwo_info): Chain of dwo_info structures.
	(first_separate_file): Chain of separate_info structures.
	(separate_debug_file, separate_debug_filename): Delete.
	(fetch_alt_indirect_string): Scan all separate debug info files
	for the requested string.
	(add_dwo_info): New function.
	(add_dwo_name): New function.
	(add_dwo_dir): New function.
	(add_dwo_id: New function.
	(free_dwo_info): New function.
	(read_and_display_attr_value): Store DWO data using the new
	functions.
	(load_debug_section_with_follow): If necessary, scan the list of
	separate debug info files for the requested section.
	(add_separate_debug_file): New function.
	(load_separate_debug_info): Call add_separate_debug_file to store
	the information on the newly loaded file.
	(load_dwo_file): Likewise.
	(load_separate_debif_file): Rename to load_separate_debug_files.
	Change return type to boolean.  If following links then attempt to
	load all separate debug info files, not just the first one.
	(free_debug_memory): Release memory in dwo_info and separate_info
	chains.
	* objdump.c (dump_dwarf): Iterate over all loaded debg info files.
	* readelf.c (process_object): Likewise.
	* doc/debug.options.texi: Update descriptions of links and
	follow-links options.
	* testsuite/binutils-all/objdump.WK2: Update expected output.
	* testsuite/binutils-all/readelf.k2: Likewise.
	* NEWS: Announce the new feature.
2019-02-22 10:36:24 +00:00

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#...
.*debuglink.o: Found separate debug info file:.*linkdebug.debug
#...
Contents of the .debug_str section \(loaded from .*debuglink.o\):
0x00000000 73747269 6e672d31 00737472 696e672d string-1.string-
0x00000010 3200 2.
Contents of the .debug_info section \(loaded from .*debuglink.o\):
Compilation Unit @ offset 0x0:
Length: 0x12 \(32-bit\)
Version: 4
Abbrev Offset: 0x0
Pointer Size: 4
<0><b>: Abbrev Number: 1 \(DW_TAG_compile_unit\)
<c> DW_AT_name : \(indirect string, offset: 0x0\): string-1
<0><10>: Abbrev Number: 2 \(DW_TAG_subprogram\)
<11> DW_AT_name : \(alt indirect string, offset: 0x0\) string-3
Contents of the .debug_str section \(loaded from .*linkdebug.debug\):
0x00000000 73747269 6e672d33 00737472 696e672d string-3.string-
0x00000010 3400 4.