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Diffstat (limited to 'lib/asan/asan_interceptors_memintrinsics.cpp')
-rw-r--r-- | lib/asan/asan_interceptors_memintrinsics.cpp | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/lib/asan/asan_interceptors_memintrinsics.cpp b/lib/asan/asan_interceptors_memintrinsics.cpp new file mode 100644 index 000000000000..ccdd5159042c --- /dev/null +++ b/lib/asan/asan_interceptors_memintrinsics.cpp @@ -0,0 +1,43 @@ +//===-- asan_interceptors_memintrinsics.cpp -------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===---------------------------------------------------------------------===// +// +// This file is a part of AddressSanitizer, an address sanity checker. +// +// ASan versions of memcpy, memmove, and memset. +//===---------------------------------------------------------------------===// + +#include "asan_interceptors_memintrinsics.h" +#include "asan_report.h" +#include "asan_stack.h" +#include "asan_suppressions.h" + +using namespace __asan; + +void *__asan_memcpy(void *to, const void *from, uptr size) { + ASAN_MEMCPY_IMPL(nullptr, to, from, size); +} + +void *__asan_memset(void *block, int c, uptr size) { + ASAN_MEMSET_IMPL(nullptr, block, c, size); +} + +void *__asan_memmove(void *to, const void *from, uptr size) { + ASAN_MEMMOVE_IMPL(nullptr, to, from, size); +} + +#if SANITIZER_FUCHSIA || SANITIZER_RTEMS + +// Fuchsia and RTEMS don't use sanitizer_common_interceptors.inc, but +// the only things there it wants are these three. Just define them +// as aliases here rather than repeating the contents. + +extern "C" decltype(__asan_memcpy) memcpy[[gnu::alias("__asan_memcpy")]]; +extern "C" decltype(__asan_memmove) memmove[[gnu::alias("__asan_memmove")]]; +extern "C" decltype(__asan_memset) memset[[gnu::alias("__asan_memset")]]; + +#endif // SANITIZER_FUCHSIA || SANITIZER_RTEMS |