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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_AOM_PORTS_SANITIZER_H_

#define AOM_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_AOM_PORTS_SANITIZER_H_