1 /* 2 * Copyright (C) 2016 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 LIBMEMUNREACHABLE_MEMUNREACHABLE_H_ 18 #define LIBMEMUNREACHABLE_MEMUNREACHABLE_H_ 19 20 #include <string.h> 21 #include <sys/cdefs.h> 22 23 #ifdef __cplusplus 24 25 #include <string> 26 #include <vector> 27 28 namespace android { 29 30 struct Leak { 31 uintptr_t begin = 0; 32 size_t size = 0; 33 34 size_t referenced_count = 0; 35 size_t referenced_size = 0; 36 37 size_t similar_count = 0; 38 size_t similar_size = 0; 39 size_t similar_referenced_count = 0; 40 size_t similar_referenced_size = 0; 41 42 size_t total_size = 0; 43 44 static const size_t contents_length = 32; 45 char contents[contents_length] = {}; 46 47 struct Backtrace { 48 size_t num_frames = 0; 49 50 static const size_t max_frames = 16; 51 uintptr_t frames[max_frames] = {}; 52 53 size_t reserved[8] = {}; 54 } backtrace; 55 56 size_t reserved[8] = {}; 57 58 std::string ToString(bool log_contents) const; 59 }; 60 61 struct UnreachableMemoryInfo { 62 std::vector<Leak> leaks; 63 size_t num_leaks = 0; 64 size_t leak_bytes = 0; 65 size_t num_allocations = 0; 66 size_t allocation_bytes = 0; 67 68 size_t version = 0; // Must be 0 69 size_t reserved[8] = {}; 70 UnreachableMemoryInfoUnreachableMemoryInfo71 UnreachableMemoryInfo() {} 72 ~UnreachableMemoryInfo(); 73 74 std::string ToString(bool log_contents) const; 75 }; 76 77 bool GetUnreachableMemory(UnreachableMemoryInfo& info, size_t limit = 100); 78 79 std::string GetUnreachableMemoryString(bool log_contents = false, size_t limit = 100); 80 81 } // namespace android 82 83 #endif 84 85 __BEGIN_DECLS 86 87 bool LogUnreachableMemory(bool log_contents, size_t limit); 88 89 bool NoLeaks(); 90 91 __END_DECLS 92 93 #endif // LIBMEMUNREACHABLE_MEMUNREACHABLE_H_ 94