1 //===-- asan_interceptors_memintrinsics.cc --------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===---------------------------------------------------------------------===//
10 // This file is a part of AddressSanitizer, an address sanity checker.
12 // ASan versions of memcpy, memmove, and memset.
13 //===---------------------------------------------------------------------===//
15 #include "asan_interceptors_memintrinsics.h"
16 #include "asan_report.h"
17 #include "asan_stack.h"
18 #include "asan_suppressions.h"
20 using namespace __asan; // NOLINT
22 void *__asan_memcpy(void *to, const void *from, uptr size) {
23 ASAN_MEMCPY_IMPL(nullptr, to, from, size);
26 void *__asan_memset(void *block, int c, uptr size) {
27 ASAN_MEMSET_IMPL(nullptr, block, c, size);
30 void *__asan_memmove(void *to, const void *from, uptr size) {
31 ASAN_MEMMOVE_IMPL(nullptr, to, from, size);
34 #if SANITIZER_FUCHSIA || SANITIZER_RTEMS
36 // Fuchsia and RTEMS don't use sanitizer_common_interceptors.inc, but
37 // the only things there it wants are these three. Just define them
38 // as aliases here rather than repeating the contents.
40 extern "C" decltype(__asan_memcpy) memcpy[[gnu::alias("__asan_memcpy")]];
41 extern "C" decltype(__asan_memmove) memmove[[gnu::alias("__asan_memmove")]];
42 extern "C" decltype(__asan_memset) memset[[gnu::alias("__asan_memset")]];
44 #endif // SANITIZER_FUCHSIA || SANITIZER_RTEMS