1b1994897Sopenharmony_ci/** 2b1994897Sopenharmony_ci * Copyright (c) 2021-2022 Huawei Device Co., Ltd. 3b1994897Sopenharmony_ci * Licensed under the Apache License, Version 2.0 (the "License"); 4b1994897Sopenharmony_ci * you may not use this file except in compliance with the License. 5b1994897Sopenharmony_ci * You may obtain a copy of the License at 6b1994897Sopenharmony_ci * 7b1994897Sopenharmony_ci * http://www.apache.org/licenses/LICENSE-2.0 8b1994897Sopenharmony_ci * 9b1994897Sopenharmony_ci * Unless required by applicable law or agreed to in writing, software 10b1994897Sopenharmony_ci * distributed under the License is distributed on an "AS IS" BASIS, 11b1994897Sopenharmony_ci * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12b1994897Sopenharmony_ci * See the License for the specific language governing permissions and 13b1994897Sopenharmony_ci * limitations under the License. 14b1994897Sopenharmony_ci */ 15b1994897Sopenharmony_ci 16b1994897Sopenharmony_ci#ifndef LIBPANDABASE_UTILS_ASAN_INTERFACE_H 17b1994897Sopenharmony_ci#define LIBPANDABASE_UTILS_ASAN_INTERFACE_H 18b1994897Sopenharmony_ci 19b1994897Sopenharmony_ci#if defined(__has_feature) 20b1994897Sopenharmony_ci// for clang 21b1994897Sopenharmony_ci#if __has_feature(address_sanitizer) 22b1994897Sopenharmony_ci#define PANDA_ASAN_ON 23b1994897Sopenharmony_ci#endif 24b1994897Sopenharmony_ci#else 25b1994897Sopenharmony_ci#if defined(__SANITIZE_ADDRESS__) 26b1994897Sopenharmony_ci// for gnu compiler 27b1994897Sopenharmony_ci#define PANDA_ASAN_ON 28b1994897Sopenharmony_ci#endif 29b1994897Sopenharmony_ci#endif 30b1994897Sopenharmony_ci 31b1994897Sopenharmony_ci#ifdef PANDA_ASAN_ON 32b1994897Sopenharmony_ciextern "C" { 33b1994897Sopenharmony_ci// Marks memory region [addr, addr+size) as unaddressable. 34b1994897Sopenharmony_ci// NOLINTNEXTLINE(readability-identifier-naming) 35b1994897Sopenharmony_civoid __asan_poison_memory_region(void const volatile *addr, size_t size) __attribute__((visibility("default"))); 36b1994897Sopenharmony_ci// Marks memory region [addr, addr+size) as addressable. 37b1994897Sopenharmony_ci// NOLINTNEXTLINE(readability-identifier-naming) 38b1994897Sopenharmony_civoid __asan_unpoison_memory_region(void const volatile *addr, size_t size) __attribute__((visibility("default"))); 39b1994897Sopenharmony_ci} 40b1994897Sopenharmony_ci// NOLINTNEXTLINE(cppcoreguidelines-macro-usage) 41b1994897Sopenharmony_ci#define ASAN_POISON_MEMORY_REGION(addr, size) __asan_poison_memory_region((addr), (size)) 42b1994897Sopenharmony_ci// NOLINTNEXTLINE(cppcoreguidelines-macro-usage) 43b1994897Sopenharmony_ci#define ASAN_UNPOISON_MEMORY_REGION(addr, size) __asan_unpoison_memory_region((addr), (size)) 44b1994897Sopenharmony_ci 45b1994897Sopenharmony_ci// Use attribute ATTRIBUTE_NO_SANITIZE_ADDRESS to fix an issue with concurrent POISON/UNPOISON 46b1994897Sopenharmony_ci// during accessing class fields from the class methods during MT ASAN runs. 47b1994897Sopenharmony_ci// NOLINTNEXTLINE(cppcoreguidelines-macro-usage) 48b1994897Sopenharmony_ci#define ATTRIBUTE_NO_SANITIZE_ADDRESS __attribute__((no_sanitize_address)) 49b1994897Sopenharmony_ci#else 50b1994897Sopenharmony_ci// NOLINTNEXTLINE(cppcoreguidelines-macro-usage) 51b1994897Sopenharmony_ci#define ASAN_POISON_MEMORY_REGION(addr, size) ((void)(addr), (void)(size)) 52b1994897Sopenharmony_ci// NOLINTNEXTLINE(cppcoreguidelines-macro-usage) 53b1994897Sopenharmony_ci#define ASAN_UNPOISON_MEMORY_REGION(addr, size) ((void)(addr), (void)(size)) 54b1994897Sopenharmony_ci// NOLINTNEXTLINE(cppcoreguidelines-macro-usage) 55b1994897Sopenharmony_ci#define ATTRIBUTE_NO_SANITIZE_ADDRESS 56b1994897Sopenharmony_ci#endif 57b1994897Sopenharmony_ci 58b1994897Sopenharmony_ci#endif // LIBPANDABASE_UTILS_ASAN_INTERFACE_H 59