libsanitizer merge from upstream r208536

Jakub Jelinek jakub@redhat.com
Thu May 22 18:24:00 GMT 2014


On Thu, May 22, 2014 at 04:07:38PM +0200, Jakub Jelinek wrote:
> 2014-05-22  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.

Both patches bootstrapped/regtested on x86_64-linux and i686-linux
successfully, ok for trunk for both?

	Jakub



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