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author | mpolacek <mpolacek@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-10-10 17:19:25 +0000 |
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committer | mpolacek <mpolacek@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-10-10 17:19:25 +0000 |
commit | 0b45f2d1282f52dcccfca904711e831bfbed44b9 (patch) | |
tree | eb4a7b7db8a68e97f6fffec5e090f0363f3e519d /gcc/asan.c | |
parent | 4495e712b437ba71254613884e372f80c6f34840 (diff) | |
download | gcc-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.c | 3 |
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); |