/* * Copyright (c) Meta Platforms, Inc. and affiliates. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include #include // Address Sanitizer interface may be found at: // https://github.com/llvm/llvm-project/blob/main/compiler-rt/include/sanitizer/asan_interface.h // https://github.com/llvm/llvm-project/blob/main/compiler-rt/include/sanitizer/common_interface_defs.h extern "C" void __asan_poison_memory_region(void const volatile*, std::size_t); extern "C" void __asan_unpoison_memory_region( void const volatile*, std::size_t); extern "C" void* __asan_region_is_poisoned(void*, std::size_t); extern "C" int __asan_address_is_poisoned(void const volatile*); extern "C" void __sanitizer_start_switch_fiber( void**, void const*, std::size_t); extern "C" void __sanitizer_finish_switch_fiber( void*, void const**, std::size_t*); namespace { FOLLY_CREATE_EXTERN_ACCESSOR( asan_poison_memory_region_access_v, __asan_poison_memory_region); FOLLY_CREATE_EXTERN_ACCESSOR( asan_unpoison_memory_region_access_v, __asan_unpoison_memory_region); FOLLY_CREATE_EXTERN_ACCESSOR( asan_region_is_poisoned_access_v, __asan_region_is_poisoned); FOLLY_CREATE_EXTERN_ACCESSOR( asan_address_is_poisoned_access_v, __asan_address_is_poisoned); FOLLY_CREATE_EXTERN_ACCESSOR( sanitizer_start_switch_fiber_access_v, __sanitizer_start_switch_fiber); FOLLY_CREATE_EXTERN_ACCESSOR( sanitizer_finish_switch_fiber_access_v, __sanitizer_finish_switch_fiber); constexpr bool E = folly::kIsLibrarySanitizeAddress; } // namespace namespace folly { namespace detail { FOLLY_STORAGE_CONSTEXPR asan_mark_memory_region_t* const asan_poison_memory_region_v = asan_poison_memory_region_access_v; FOLLY_STORAGE_CONSTEXPR asan_mark_memory_region_t* const asan_unpoison_memory_region_v = asan_unpoison_memory_region_access_v; FOLLY_STORAGE_CONSTEXPR asan_region_is_poisoned_t* const asan_region_is_poisoned_v = asan_region_is_poisoned_access_v; FOLLY_STORAGE_CONSTEXPR asan_address_is_poisoned_t* const asan_address_is_poisoned_v = asan_address_is_poisoned_access_v; FOLLY_STORAGE_CONSTEXPR sanitizer_start_switch_fiber_t* const sanitizer_start_switch_fiber_v = sanitizer_start_switch_fiber_access_v; FOLLY_STORAGE_CONSTEXPR sanitizer_finish_switch_fiber_t* const sanitizer_finish_switch_fiber_v = sanitizer_finish_switch_fiber_access_v; } // namespace detail } // namespace folly