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Make default compression gABI compliant

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All programs in binutils+gdb git repo now support gABI compression
with the SHF_COMPRESSED bit.  This patch makes the zlib-gabi option
as compression default for gas, gold, ld and objcopy, instead of the
zlib-gnu option whose outputs are incompatible with gABI.

binutils/

	* objcopy.c (copy_file): Set BFD_COMPRESS_GABI if not
	zlib-gnu.
	* doc/binutils.texi: Change --compress-debug-sections and
	--compress-debug-sections=zlib to zlib-gabi.

binutils/testsuite/

	* binutils-all/compress.exp: Update.

gas/

	* as.c (parse_args): Make --compress-debug-sections and
	--compress-debug-sections=zlib the same as
	--compress-debug-sections=zlib-gabi.
	* doc/as.texinfo: Change --compress-debug-sections and
	--compress-debug-sections=zlib to zlib-gabi.

gold/

	* compressed_output.cc (Output_compressed_section::set_final_data_size):
	Make --compress-debug-sections=zlib the same as
	--compress-debug-sections=zlib-gabi.
	* testsuite/Makefile.am (flagstest_compress_debug_sections.check):
	Expect ".debug_.*" with the SHF_COMPRESSED bit, instead of
	".zdebug_".
	* testsuite/Makefile.in: Regenerated.

ld/

	* emultempl/elf32.em (gld${EMULATION_NAME}_handle_option): Make
	--compress-debug-sections=zlib the same as
	--compress-debug-sections=zlib-gabi.
	* ld.texinfo: Change --compress-debug-sections=zlib to zlib-gabi.

ld/testsuite/

	* ld-elf/zlibbegin.rS: Updated to .debug_.* with the
	SHF_COMPRESSED bit.
	* ld-elf/zlibnormal.rS: Likewise.
This commit is contained in:
H.J. Lu
2015-07-14 10:25:52 -07:00
parent 22121df01f
commit 19a7fe52ae
18 changed files with 93 additions and 41 deletions
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4
gas/as.c
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@ -665,7 +665,7 @@ This program has absolutely no warranty.\n"));
if (strcasecmp (optarg, "none") == 0)
flag_compress_debug = COMPRESS_DEBUG_NONE;
else if (strcasecmp (optarg, "zlib") == 0)
flag_compress_debug = COMPRESS_DEBUG_GNU_ZLIB;
flag_compress_debug = COMPRESS_DEBUG_GABI_ZLIB;
else if (strcasecmp (optarg, "zlib-gnu") == 0)
flag_compress_debug = COMPRESS_DEBUG_GNU_ZLIB;
else if (strcasecmp (optarg, "zlib-gabi") == 0)
@ -679,7 +679,7 @@ This program has absolutely no warranty.\n"));
#endif
}
else
flag_compress_debug = COMPRESS_DEBUG;
flag_compress_debug = COMPRESS_DEBUG_GABI_ZLIB;
break;
case OPTION_NOCOMPRESS_DEBUG: