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/*
* Copyright (c) 2018, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#ifndef AOM_PORTS_SANITIZER_H_
#define AOM_PORTS_SANITIZER_H_
// AddressSanitizer support.
// Define AOM_ADDRESS_SANITIZER if AddressSanitizer is used.
// Clang.
#if defined(__has_feature)
#if __has_feature(address_sanitizer)
#define AOM_ADDRESS_SANITIZER 1
#endif
#endif // defined(__has_feature)
// GCC.
#if defined(__SANITIZE_ADDRESS__)
#define AOM_ADDRESS_SANITIZER 1
#endif // defined(__SANITIZE_ADDRESS__)
// Define the macros for AddressSanitizer manual memory poisoning. See
// https://github.com/google/sanitizers/wiki/AddressSanitizerManualPoisoning.
#if defined(AOM_ADDRESS_SANITIZER)
#include <sanitizer/asan_interface.h>
#else
#define ASAN_POISON_MEMORY_REGION(addr, size) ((void)(addr), (void)(size))
#define ASAN_UNPOISON_MEMORY_REGION(addr, size) ((void)(addr), (void)(size))
#endif
#endif // AOM_PORTS_SANITIZER_H_
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