1//===-- asan_interceptors_memintrinsics.cpp -------------------------------===// 2// 3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4// See https://llvm.org/LICENSE.txt for license information. 5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6// 7//===---------------------------------------------------------------------===// 8// 9// This file is a part of AddressSanitizer, an address sanity checker. 10// 11// ASan versions of memcpy, memmove, and memset. 12//===---------------------------------------------------------------------===// 13 14#include "asan_interceptors_memintrinsics.h" 15#include "asan_report.h" 16#include "asan_stack.h" 17#include "asan_suppressions.h" 18 19using namespace __asan; 20 21void *__asan_memcpy(void *to, const void *from, uptr size) { 22 ASAN_MEMCPY_IMPL(nullptr, to, from, size); 23} 24 25void *__asan_memset(void *block, int c, uptr size) { 26 ASAN_MEMSET_IMPL(nullptr, block, c, size); 27} 28 29void *__asan_memmove(void *to, const void *from, uptr size) { 30 ASAN_MEMMOVE_IMPL(nullptr, to, from, size); 31} 32 33#if SANITIZER_FUCHSIA || SANITIZER_RTEMS 34 35// Fuchsia and RTEMS don't use sanitizer_common_interceptors.inc, but 36// the only things there it wants are these three. Just define them 37// as aliases here rather than repeating the contents. 38 39extern "C" decltype(__asan_memcpy) memcpy[[gnu::alias("__asan_memcpy")]]; 40extern "C" decltype(__asan_memmove) memmove[[gnu::alias("__asan_memmove")]]; 41extern "C" decltype(__asan_memset) memset[[gnu::alias("__asan_memset")]]; 42 43#endif // SANITIZER_FUCHSIA || SANITIZER_RTEMS 44