| // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| #ifndef RUNTIME_PLATFORM_ADDRESS_SANITIZER_H_ |
| #define RUNTIME_PLATFORM_ADDRESS_SANITIZER_H_ |
| |
| #include "platform/globals.h" |
| |
| // Allow the use of ASan (AddressSanitizer). This is needed as ASan needs to be |
| // told about areas where the VM does the equivalent of a long-jump. |
| #if __SANITIZE_ADDRESS__ |
| #define USING_ADDRESS_SANITIZER |
| #elif defined(__has_feature) |
| #if __has_feature(address_sanitizer) |
| #define USING_ADDRESS_SANITIZER |
| #endif |
| #endif |
| |
| #if defined(USING_ADDRESS_SANITIZER) |
| extern "C" void __asan_unpoison_memory_region(void const volatile*, size_t); |
| #define NO_SANITIZE_ADDRESS __attribute__((no_sanitize("address"))) |
| #define ASAN_UNPOISON(ptr, len) __asan_unpoison_memory_region(ptr, len) |
| #else // defined(USING_ADDRESS_SANITIZER) |
| #define NO_SANITIZE_ADDRESS |
| #define ASAN_UNPOISON(ptr, len) \ |
| do { \ |
| } while (false && (ptr) == nullptr && (len) == 0) |
| #endif // defined(USING_ADDRESS_SANITIZER) |
| |
| #endif // RUNTIME_PLATFORM_ADDRESS_SANITIZER_H_ |