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