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_RUNTIME_BASE_MEMORY_TOOL_H_ 18 #define ART_RUNTIME_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 #define ATTRIBUTE_NO_SANITIZE_ADDRESS __attribute__((no_sanitize_address)) 44 #define RUNNING_ON_MEMORY_TOOL 1U 45 constexpr bool kMemoryToolIsValgrind = false; 46 constexpr bool kMemoryToolDetectsLeaks = true; 47 constexpr bool kMemoryToolAddsRedzones = true; 48 constexpr size_t kMemoryToolStackGuardSizeScale = 2; 49 50 #else 51 52 #include <valgrind.h> 53 #include <memcheck/memcheck.h> 54 #define MEMORY_TOOL_MAKE_NOACCESS(p, s) VALGRIND_MAKE_MEM_NOACCESS(p, s) 55 #define MEMORY_TOOL_MAKE_UNDEFINED(p, s) VALGRIND_MAKE_MEM_UNDEFINED(p, s) 56 #define MEMORY_TOOL_MAKE_DEFINED(p, s) VALGRIND_MAKE_MEM_DEFINED(p, s) 57 #define ATTRIBUTE_NO_SANITIZE_ADDRESS 58 #define RUNNING_ON_MEMORY_TOOL RUNNING_ON_VALGRIND 59 constexpr bool kMemoryToolIsAvailable = true; 60 constexpr bool kMemoryToolIsValgrind = true; 61 constexpr bool kMemoryToolDetectsLeaks = true; 62 constexpr bool kMemoryToolAddsRedzones = true; 63 constexpr size_t kMemoryToolStackGuardSizeScale = 1; 64 65 #endif 66 67 #endif // ART_RUNTIME_BASE_MEMORY_TOOL_H_ 68