1 /** 2 * Copyright (c) 2022-2024 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef PANDA_LIBPANDABASE_OS_WINDOWS_MEM_HOOKS_H_ 17 #define PANDA_LIBPANDABASE_OS_WINDOWS_MEM_HOOKS_H_ 18 19 #include <crtdbg.h> 20 #include <iostream> 21 #include "libpandabase/macros.h" 22 23 namespace ark::os::windows::mem_hooks { 24 25 class PandaHooks { 26 public: 27 static void Initialize(); 28 static void Enable(); 29 static void Disable(); 30 31 private: 32 /* 33 * "PandaAllocHook" is an allocation hook function, following a prototype described in 34 * https://docs.microsoft.com/en-us/visualstudio/debugger/allocation-hook-functions. 35 * Installed it using "_CrtSetAllocHook", then it will be called every time memory is 36 * allocated, reallocated, or freed. 37 */ 38 // CC-OFFNXT(G.FUN.01) solid logic 39 static int PandaAllocHook(int alloctype, void *data, std::size_t size, int blocktype, long request, 40 const unsigned char *filename, int linenumber); 41 42 static _CrtMemState begin, end, out; 43 }; 44 45 } // namespace ark::os::windows::mem_hooks 46 47 namespace ark::os::mem_hooks { 48 using PandaHooks = ark::os::windows::mem_hooks::PandaHooks; 49 } // namespace ark::os::mem_hooks 50 51 #endif // PANDA_LIBPANDABASE_OS_WINDOWS_MEM_HOOKS_H_ 52