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2 Commits

Author SHA1 Message Date
Sriraman Tallam 0897ed3bdb * i386.cc (Target_i386::can_check_for_function_pointers): New function. 
(Scan::possible_function_pointer_reloc): New function.
	(Scan::local_reloc_may_be_function_pointer): Change to call
	possible_function_pointer_reloc.
	(Scan::global_reloc_may_be_function_pointer): Ditto.
	* icf.h (Icf::check_section_for_function_pointers): Change to reject
	relocations in ".data.rel.ro._ZTV" section.
	* testsuite/icf_safe_so_test.sh: Change to pass i386.
	* testsuite/icf_safe_so_test.cc: Ditto.
	* testsuite/icf_safe_test.cc: Ditto.
	* testsuite/icf_safe_test.sh: Ditto.
 2010-03-04 01:33:22 +00:00
Sriraman Tallam 21bb3914d6 2010-02-12 Sriraman Tallam <tmsriram@google.com> 
* arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
	(Scan::global_reloc_may_be_function_pointer): New function.
	* sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
	(Scan::global_reloc_may_be_function_pointer): New function.
	* powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
	(Scan::global_reloc_may_be_function_pointer): New function.
	* i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
	(Scan::global_reloc_may_be_function_pointer): New function.
	* x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
	(Scan::global_reloc_may_be_function_pointer): New function.
	(Scan::possible_function_pointer_reloc): New function.
	(Target_x86_64::can_check_for_function_pointers): New function.
	* gc.h (gc_process_relocs): Scan relocation types to determine if
	function pointers were taken for targets that support it.
	* icf.cc (Icf::find_identical_sections): Include functions for
	folding in safe ICF whose pointer is not taken.
	* icf.h (Secn_fptr_taken_set): New typedef.
	(fptr_section_id_): New member.
	(section_has_function_pointers): New function.
	(set_section_has_function_pointers): New function.
	(check_section_for_function_pointers): New function.
	* options.h: Fix comment for safe ICF option.
	* target.h (can_check_for_function_pointers): New function.
	* testsuite/Makefile.am: Add icf_safe_so_test test case.
	Modify icf_safe_test for X86-64.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/icf_safe_so_test.cc: New file.
	* testsuite/icf_safe_so_test.sh: New file.
	* testsuite/icf_safe_test.cc (kept_func_3): New function.
	(main): Change to take pointer to function kept_func_3.
	* testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
	folding is done correctly for X86-64.
 2010-02-13 02:04:21 +00:00