r216323 - in /branches/gcc-4_9-branch/gcc: Chan...

[ygribov@gcc.gnu.org]

Author: ygribov
Date: Thu Oct 16 13:44:00 2014
New Revision: 216323

URL: https://gcc.gnu.org/viewcvs?rev=216323&root=gcc&view=rev
Log:
2014-10-16  Yury Gribov  <y.gribov@samsung.com>

	Backport from mainline
	2014-05-30  Jakub Jelinek  <jakub@redhat.com>

	* sanitizer.def (BUILT_IN_ASAN_REPORT_LOAD_N,
	BUILT_IN_ASAN_REPORT_STORE_N): New.
	* asan.c (struct asan_mem_ref): Change access_size type to
	HOST_WIDE_INT.
	(asan_mem_ref_init, asan_mem_ref_new, get_mem_refs_of_builtin_call,
	update_mem_ref_hash_table): Likewise.
	(asan_mem_ref_hasher::hash): Hash in a HWI.
	(report_error_func): Change size_in_bytes argument to HWI.
	Use *_N builtins if size_in_bytes is larger than 16 or not power of
	two.
	(build_shadow_mem_access): New function.
	(build_check_stmt): Use it.  Change size_in_bytes argument to HWI.
	Handle size_in_bytes not power of two or larger than 16.
	(instrument_derefs): Don't give up if size_in_bytes is not
	power of two or is larger than 16.

Modified:
    branches/gcc-4_9-branch/gcc/ChangeLog
    branches/gcc-4_9-branch/gcc/asan.c
    branches/gcc-4_9-branch/gcc/sanitizer.def