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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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7
gold/compressed_output.cc
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@@ -233,11 +233,10 @@ Output_compressed_section::set_final_data_size()
enum { none, gnu_zlib, gabi_zlib } compress;
int compression_header_size = 12;
const int size = parameters->target().get_size();
if (strcmp(this->options_->compress_debug_sections(), "zlib") == 0)
if (strcmp(this->options_->compress_debug_sections(), "zlib-gnu") == 0)
compress = gnu_zlib;
else if (strcmp(this->options_->compress_debug_sections(), "zlib-gnu") == 0)
compress = gnu_zlib;
else if (strcmp(this->options_->compress_debug_sections(), "zlib-gabi") == 0)
else if (strcmp(this->options_->compress_debug_sections(), "zlib-gabi") == 0
|| strcmp(this->options_->compress_debug_sections(), "zlib") == 0)
{
compress = gabi_zlib;
if (size == 32)