1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ART_LIBARTBASE_BASE_MEMORY_TOOL_H_ 18 #define ART_LIBARTBASE_BASE_MEMORY_TOOL_H_ 19 20 #include <stddef.h> 21 22 #if !defined(__has_feature) 23 #define __has_feature(x) 0 24 #endif 25 26 #if __has_feature(address_sanitizer) 27 28 #include <sanitizer/asan_interface.h> 29 #define ADDRESS_SANITIZER 30 31 #ifdef ART_ENABLE_ADDRESS_SANITIZER 32 #define MEMORY_TOOL_MAKE_NOACCESS(p, s) __asan_poison_memory_region(p, s) 33 #define MEMORY_TOOL_MAKE_UNDEFINED(p, s) __asan_unpoison_memory_region(p, s) 34 #define MEMORY_TOOL_MAKE_DEFINED(p, s) __asan_unpoison_memory_region(p, s) 35 constexpr bool kMemoryToolIsAvailable = true; 36 #else 37 #define MEMORY_TOOL_MAKE_NOACCESS(p, s) do { (void)(p); (void)(s); } while (0) 38 #define MEMORY_TOOL_MAKE_UNDEFINED(p, s) do { (void)(p); (void)(s); } while (0) 39 #define MEMORY_TOOL_MAKE_DEFINED(p, s) do { (void)(p); (void)(s); } while (0) 40 constexpr bool kMemoryToolIsAvailable = false; 41 #endif 42 43 extern "C" void __asan_handle_no_return(); 44 45 #define ATTRIBUTE_NO_SANITIZE_ADDRESS __attribute__((no_sanitize_address)) 46 #define MEMORY_TOOL_HANDLE_NO_RETURN __asan_handle_no_return() 47 #define RUNNING_ON_MEMORY_TOOL 1U 48 constexpr bool kMemoryToolIsValgrind = false; 49 constexpr bool kMemoryToolDetectsLeaks = true; 50 constexpr bool kMemoryToolAddsRedzones = true; 51 constexpr size_t kMemoryToolStackGuardSizeScale = 2; 52 53 #else 54 55 #include <memcheck/memcheck.h> 56 #include <valgrind.h> 57 #define MEMORY_TOOL_MAKE_NOACCESS(p, s) VALGRIND_MAKE_MEM_NOACCESS(p, s) 58 #define MEMORY_TOOL_MAKE_UNDEFINED(p, s) VALGRIND_MAKE_MEM_UNDEFINED(p, s) 59 #define MEMORY_TOOL_MAKE_DEFINED(p, s) VALGRIND_MAKE_MEM_DEFINED(p, s) 60 #define ATTRIBUTE_NO_SANITIZE_ADDRESS 61 #define MEMORY_TOOL_HANDLE_NO_RETURN do { } while (0) 62 #define RUNNING_ON_MEMORY_TOOL RUNNING_ON_VALGRIND 63 constexpr bool kMemoryToolIsAvailable = true; 64 constexpr bool kMemoryToolIsValgrind = true; 65 constexpr bool kMemoryToolDetectsLeaks = true; 66 constexpr bool kMemoryToolAddsRedzones = true; 67 constexpr size_t kMemoryToolStackGuardSizeScale = 1; 68 69 #endif 70 71 #endif // ART_LIBARTBASE_BASE_MEMORY_TOOL_H_ 72
