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authormpolacek <mpolacek@138bc75d-0d04-0410-961f-82ee72b054a4>2014-10-10 17:19:25 +0000
committermpolacek <mpolacek@138bc75d-0d04-0410-961f-82ee72b054a4>2014-10-10 17:19:25 +0000
commit0b45f2d1282f52dcccfca904711e831bfbed44b9 (patch)
treeeb4a7b7db8a68e97f6fffec5e090f0363f3e519d /gcc/asan.c
parent4495e712b437ba71254613884e372f80c6f34840 (diff)
downloadgcc-0b45f2d1282f52dcccfca904711e831bfbed44b9.tar.gz
* 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
Diffstat (limited to 'gcc/asan.c')
-rw-r--r--gcc/asan.c3
1 files changed, 3 insertions, 0 deletions
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);