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 _MEMORY_REPLAY_POINTERS_H 18 #define _MEMORY_REPLAY_POINTERS_H 19 20 #include <stdatomic.h> 21 #include <stdint.h> 22 23 struct pointer_data { 24 std::atomic_uintptr_t key_pointer; 25 void* pointer; 26 }; 27 28 class Pointers { 29 public: 30 explicit Pointers(size_t max_allocs); 31 virtual ~Pointers(); 32 33 void Add(uintptr_t key_pointer, void* pointer); 34 35 void* Remove(uintptr_t key_pointer); 36 37 size_t max_pointers() { return max_pointers_; } 38 39 void FreeAll(); 40 41 private: 42 pointer_data* FindEmpty(uintptr_t key_pointer); 43 pointer_data* Find(uintptr_t key_pointer); 44 size_t GetHash(uintptr_t key_pointer); 45 46 pointer_data* pointers_ = nullptr; 47 size_t pointers_size_ = 0; 48 size_t max_pointers_ = 0; 49 }; 50 51 #endif // _MEMORY_REPLAY_POINTERS_H 52
