aom_ports/sanitizer.h

   1 /*
   2  * Copyright (c) 2018, Alliance for Open Media. All rights reserved
   3  *
   4  * This source code is subject to the terms of the BSD 2 Clause License and
   5  * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
   6  * was not distributed with this source code in the LICENSE file, you can
   7  * obtain it at www.aomedia.org/license/software. If the Alliance for Open
   8  * Media Patent License 1.0 was not distributed with this source code in the
   9  * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
  10  */
  11
  12 #ifndef AOM_AOM_PORTS_SANITIZER_H_
  13 #define AOM_AOM_PORTS_SANITIZER_H_
  14
  15 // AddressSanitizer support.
  16
  17 // Define AOM_ADDRESS_SANITIZER if AddressSanitizer is used.
  18 // Clang.
  19 #if defined(__has_feature)
  20 #if __has_feature(address_sanitizer)
  21 #define AOM_ADDRESS_SANITIZER 1
  22 #endif
  23 #endif  // defined(__has_feature)
  24 // GCC.
  25 #if defined(__SANITIZE_ADDRESS__)
  26 #define AOM_ADDRESS_SANITIZER 1
  27 #endif  // defined(__SANITIZE_ADDRESS__)
  28
  29 // Define the macros for AddressSanitizer manual memory poisoning. See
  30 // https://github.com/google/sanitizers/wiki/AddressSanitizerManualPoisoning.
  31 #if defined(AOM_ADDRESS_SANITIZER)
  32 #include <sanitizer/asan_interface.h>
  33 #else
  34 #define ASAN_POISON_MEMORY_REGION(addr, size) ((void)(addr), (void)(size))
  35 #define ASAN_UNPOISON_MEMORY_REGION(addr, size) ((void)(addr), (void)(size))
  36 #endif
  37
  38 #endif  // AOM_AOM_PORTS_SANITIZER_H_