From 0b45f2d1282f52dcccfca904711e831bfbed44b9 Mon Sep 17 00:00:00 2001 From: mpolacek Date: Fri, 10 Oct 2014 17:19:25 +0000 Subject: * asan.c (pass_sanopt::execute): Handle IFN_UBSAN_OBJECT_SIZE. * doc/invoke.texi: Document -fsanitize=object-size. * flag-types.h (enum sanitize_code): Add SANITIZE_OBJECT_SIZE and or it into SANITIZE_UNDEFINED. * gimple-fold.c (gimple_fold_call): Optimize IFN_UBSAN_OBJECT_SIZE. * internal-fn.c (expand_UBSAN_OBJECT_SIZE): New function. * internal-fn.def (UBSAN_OBJECT_SIZE): Define. * opts.c (common_handle_option): Handle -fsanitize=object-size. * ubsan.c: Include tree-object-size.h. (ubsan_type_descriptor): Call tree_to_uhwi instead of tree_to_shwi. (ubsan_expand_bounds_ifn): Use false instead of 0. (ubsan_expand_objsize_ifn): New function. (instrument_object_size): New function. (pass_ubsan::execute): Add object size instrumentation. * ubsan.h (ubsan_expand_objsize_ifn): Declare. testsuite/ * c-c++-common/ubsan/object-size-1.c: New test. * c-c++-common/ubsan/object-size-2.c: New test. * c-c++-common/ubsan/object-size-3.c: New test. * c-c++-common/ubsan/object-size-4.c: New test. * c-c++-common/ubsan/object-size-5.c: New test. * c-c++-common/ubsan/object-size-6.c: New test. * c-c++-common/ubsan/object-size-7.c: New test. * c-c++-common/ubsan/object-size-8.c: New test. * c-c++-common/ubsan/object-size-9.c: New test. * g++.dg/ubsan/object-size-1.C: New test. * gcc.dg/ubsan/object-size-9.c: New test. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@216099 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/asan.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'gcc/asan.c') diff --git a/gcc/asan.c b/gcc/asan.c index fca4ee6fb3f..6ea3efe2f11 100644 --- a/gcc/asan.c +++ b/gcc/asan.c @@ -2879,6 +2879,9 @@ pass_sanopt::execute (function *fun) case IFN_UBSAN_BOUNDS: no_next = ubsan_expand_bounds_ifn (&gsi); break; + case IFN_UBSAN_OBJECT_SIZE: + no_next = ubsan_expand_objsize_ifn (&gsi); + break; case IFN_ASAN_CHECK: { no_next = asan_expand_check_ifn (&gsi, use_calls); -- cgit v1.2.1