2010-05-12 Doug Kwan <dougkwan@google.com>

2010-05-12  Doug Kwan  <dougkwan@google.com>

elfcpp/ChangeLog

	* arm.h (Tag_FP_arch, Tag_ABI_align_needed, Tag_ABI_align_preserved,
	Tag_FP_HP_extension, Tag_MPextension_use_legacy): Rename from
	existing tags.
	(Tag_undefined40, Tag_undefined41, Tag_MPextension_use,
	Tag_undefined43): New tags.
	(Targ_VFP_arch, Tag_ABI_align8_needed, TAG_ABI_align8_preserved,
	Tag_VFP_HP_extension): Define aliases for backward compatiblity.

gold/ChangeLog

	* arm.cc (Target_arm::do_finalize_sections): Create an empty
	attributes section only if there no attributes section after merging.
	(Target_arm::merge_object_attributes): Move value of
	Tag_MPextension_use_legacy to that of Tag_MPextension_use.
	Handle Tag_DIV_use and Tag_MPextension_use_legacy.
	* testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
	(check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
	and arm_attr_merge_7.stdout.
	(arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
	arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
	arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
	arm_attr_merge_7b.o): New rules.
	(MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
	arm_attr_merge_7
	* testsuite/Makefile.in: Regenerate.
	* testsuite/arm_attr_merge.sh: New file.
	* testsuite/arm_attr_merge_[67][ab].s: Same.