diff options
Diffstat (limited to 'compiler-rt/lib/asan/asan_poisoning.cc')
| -rw-r--r-- | compiler-rt/lib/asan/asan_poisoning.cc | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/compiler-rt/lib/asan/asan_poisoning.cc b/compiler-rt/lib/asan/asan_poisoning.cc index b356e4073e4..6f2c2f7bcf6 100644 --- a/compiler-rt/lib/asan/asan_poisoning.cc +++ b/compiler-rt/lib/asan/asan_poisoning.cc @@ -227,6 +227,13 @@ void __sanitizer_unaligned_store64(uu64 *p, u64 x) { *p = x; } +extern "C" SANITIZER_INTERFACE_ATTRIBUTE +void __asan_poison_cxx_array_cookie(uptr p) { + if (!flags()->poison_array_cookie) return; + uptr s = MEM_TO_SHADOW(p); + *reinterpret_cast<u8*>(s) = 0xac; +} + // This is a simplified version of __asan_(un)poison_memory_region, which // assumes that left border of region to be poisoned is properly aligned. static void PoisonAlignedStackMemory(uptr addr, uptr size, bool do_poison) { |
