mirror of
https://github.com/mozilla/gecko-dev.git
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221 lines
8.2 KiB
C++
221 lines
8.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* Win32 x86/x64 code for stack walking, symbol resolution, and function hooking */
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#ifndef __nsDebugHelpWin32_h__
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#define __nsDebugHelpWin32_h__
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#if defined(_WIN32) && (defined(_M_IX86) || defined(_M_X64))
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#ifndef WIN32_LEAN_AND_MEAN
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#define WIN32_LEAN_AND_MEAN
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#endif
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#include <windows.h>
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#include <imagehlp.h>
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#include <crtdbg.h>
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#else
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#error "nsDebugHelpWin32.h should only be included in Win32 x86/x64 builds"
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#endif
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// XXX temporary hack...
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//#include "hacky_defines.h"
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/***************************************************************************/
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// useful macros...
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#define DHW_DECLARE_FUN_TYPE(retval_, conv_, typename_, args_) \
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typedef retval_ ( conv_ * typename_ ) args_ ;
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#ifdef DHW_IMPLEMENT_GLOBALS
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#define DHW_DECLARE_FUN_GLOBAL(typename_, name_) typename_ dhw##name_
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#else
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#define DHW_DECLARE_FUN_GLOBAL(typename_, name_) extern typename_ dhw##name_
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#endif
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#define DHW_DECLARE_FUN_PROTO(retval_, conv_, name_, args_) \
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retval_ conv_ name_ args_
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#define DHW_DECLARE_FUN_STATIC_PROTO(retval_, name_, args_) \
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static retval_ conv_ name_ args_
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#define DHW_DECLARE_FUN_TYPE_AND_PROTO(name_, retval_, conv_, typename_, args_) \
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DHW_DECLARE_FUN_TYPE(retval_, conv_, typename_, args_); \
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DHW_DECLARE_FUN_PROTO(retval_, conv_, name_, args_)
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#define DHW_DECLARE_FUN_TYPE_AND_STATIC_PROTO(name_, retval_, conv_, typename_, args_) \
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DHW_DECLARE_FUN_TYPE(retval_, conv_, typename_, args_); \
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DHW_DECLARE_FUN_STATIC_PROTO(retval_, conv_, name_, args_)
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#define DHW_DECLARE_FUN_TYPE_AND_GLOBAL(typename_, name_, retval_, conv_, args_) \
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DHW_DECLARE_FUN_TYPE(retval_, conv_, typename_, args_); \
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DHW_DECLARE_FUN_GLOBAL(typename_, name_)
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/**********************************************************/
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// These are used to get 'original' function addresses from DHWImportHooker.
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#define DHW_DECLARE_ORIGINAL(type_, name_, hooker_) \
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type_ name_ = (type_) hooker_ . GetOriginalFunction()
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#define DHW_DECLARE_ORIGINAL_PTR(type_, name_, hooker_) \
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type_ name_ = (type_) hooker_ -> GetOriginalFunction()
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#define DHW_ORIGINAL(type_, hooker_) \
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((type_) hooker_ . GetOriginalFunction())
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#define DHW_ORIGINAL_PTR(type_, hooker_) \
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((type_) hooker_ -> GetOriginalFunction())
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/***************************************************************************/
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// Global declarations of entry points into ImgHelp functions
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#if 0
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DHW_DECLARE_FUN_TYPE_AND_GLOBAL(SYMINITIALIZEPROC, SymInitialize, \
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BOOL, __stdcall, (HANDLE, LPSTR, BOOL));
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DHW_DECLARE_FUN_TYPE_AND_GLOBAL(SYMSETOPTIONS, SymSetOptions, \
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DWORD, __stdcall, (DWORD));
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DHW_DECLARE_FUN_TYPE_AND_GLOBAL(SYMGETOPTIONS, SymGetOptions, \
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DWORD, __stdcall, ());
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DHW_DECLARE_FUN_TYPE_AND_GLOBAL(SYMGETMODULEINFO, SymGetModuleInfo, \
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BOOL, __stdcall, (HANDLE, DWORD, PIMAGEHLP_MODULE));
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DHW_DECLARE_FUN_TYPE_AND_GLOBAL(SYMGETSYMFROMADDRPROC, SymGetSymFromAddr, \
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BOOL, __stdcall, (HANDLE, DWORD, PDWORD, PIMAGEHLP_SYMBOL));
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#endif
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#ifndef _WIN64
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DHW_DECLARE_FUN_TYPE_AND_GLOBAL(ENUMERATELOADEDMODULES, EnumerateLoadedModules, \
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BOOL, __stdcall, (HANDLE, PENUMLOADED_MODULES_CALLBACK, PVOID));
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#else
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DHW_DECLARE_FUN_TYPE_AND_GLOBAL(ENUMERATELOADEDMODULES64, EnumerateLoadedModules64, \
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BOOL, __stdcall, (HANDLE, PENUMLOADED_MODULES_CALLBACK64, PVOID));
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#endif
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DHW_DECLARE_FUN_TYPE_AND_GLOBAL(IMAGEDIRECTORYENTRYTODATA, ImageDirectoryEntryToData, \
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PVOID, __stdcall, (PVOID, BOOL, USHORT, PULONG));
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// We aren't using any of the below yet...
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/*
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DHW_DECLARE_FUN_TYPE_AND_GLOBAL(SYMCLEANUPPROC, SymCleanup, \
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BOOL, __stdcall, (HANDLE));
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DHW_DECLARE_FUN_TYPE_AND_GLOBAL(STACKWALKPROC, StackWalk, \
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BOOL,
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__stdcall,
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(DWORD, HANDLE, HANDLE, LPSTACKFRAME, LPVOID, \
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PREAD_PROCESS_MEMORY_ROUTINE, \
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PFUNCTION_TABLE_ACCESS_ROUTINE, \
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PGET_MODULE_BASE_ROUTINE, \
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PTRANSLATE_ADDRESS_ROUTINE));
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DHW_DECLARE_FUN_TYPE_AND_GLOBAL(SYMFUNCTIONTABLEACCESSPROC, SymFunctionTableAccess, \
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LPVOID, __stdcall, (HANDLE, DWORD));
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DHW_DECLARE_FUN_TYPE_AND_GLOBAL(SYMGETMODULEBASEPROC, SymGetModuleBase, \
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DWORD, __stdcall, (HANDLE, DWORD));
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DHW_DECLARE_FUN_TYPE_AND_GLOBAL(SYMLOADMODULE, SymLoadModule, \
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DWORD, __stdcall, (HANDLE, HANDLE, PSTR, PSTR, DWORD, DWORD));
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DHW_DECLARE_FUN_TYPE_AND_GLOBAL(UNDECORATESYMBOLNAME, _UnDecorateSymbolName, \
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DWORD, __stdcall, (LPCSTR, LPSTR, DWORD, DWORD));
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DHW_DECLARE_FUN_TYPE_AND_GLOBAL(SYMUNDNAME, SymUnDName, \
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BOOL, __stdcall, (PIMAGEHLP_SYMBOL, LPSTR, DWORD));
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DHW_DECLARE_FUN_TYPE_AND_GLOBAL(SYMGETLINEFROMADDR, SymGetLineFromAddr, \
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BOOL, __stdcall, (HANDLE, DWORD, PDWORD, PIMAGEHLP_LINE));
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*/
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/***************************************************************************/
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extern bool
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dhwEnsureImageHlpInitialized();
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/***************************************************************************/
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DHW_DECLARE_FUN_TYPE(FARPROC, __stdcall, GETPROCADDRESS, (HMODULE, PCSTR));
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class DHWImportHooker
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{
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public:
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DHWImportHooker(const char* aModuleName,
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const char* aFunctionName,
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PROC aHook,
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bool aExcludeOurModule = false);
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~DHWImportHooker();
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PROC GetOriginalFunction() {return mOriginal;}
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bool PatchAllModules();
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bool PatchOneModule(HMODULE aModule, const char* name);
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static bool ModuleLoaded(HMODULE aModule, DWORD flags);
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// I think that these should be made not static members, but allocated
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// things created in an explicit static 'init' method and cleaned up in
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// an explicit static 'finish' method. This would allow the application
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// to have proper lifetime control over all the hooks.
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static DHWImportHooker &getLoadLibraryWHooker();
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static DHWImportHooker &getLoadLibraryExWHooker();
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static DHWImportHooker &getLoadLibraryAHooker();
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static DHWImportHooker &getLoadLibraryExAHooker();
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static DHWImportHooker &getGetProcAddressHooker();
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static HMODULE WINAPI LoadLibraryA(PCSTR path);
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private:
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DHWImportHooker* mNext;
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const char* mModuleName;
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const char* mFunctionName;
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PROC mOriginal;
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PROC mHook;
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HMODULE mIgnoreModule;
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bool mHooking;
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private:
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static PRLock* gLock;
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static DHWImportHooker* gHooks;
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static GETPROCADDRESS gRealGetProcAddress;
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static HMODULE WINAPI LoadLibraryW(PCWSTR path);
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static HMODULE WINAPI LoadLibraryExW(PCWSTR path, HANDLE file, DWORD flags);
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static HMODULE WINAPI LoadLibraryExA(PCSTR path, HANDLE file, DWORD flags);
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static FARPROC WINAPI GetProcAddress(HMODULE aModule, PCSTR aFunctionName);
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};
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/***************************************************************************/
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// This supports the _CrtSetAllocHook based hooking.
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// This system sucks because you don't get to see the allocated pointer. I
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// don't think it appropriate for nsTraceMalloc, but is useful as a means to make
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// malloc fail for testing purposes.
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#if 0 //comment out this stuff. not necessary
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class DHWAllocationSizeDebugHook
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{
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public:
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virtual bool AllocHook(size_t size) = 0;
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virtual bool ReallocHook(size_t size, size_t sizeOld) = 0;
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virtual bool FreeHook(size_t size) = 0;
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};
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extern bool dhwSetAllocationSizeDebugHook(DHWAllocationSizeDebugHook* hook);
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extern bool dhwClearAllocationSizeDebugHook();
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/***************************************************************************/
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#endif //0
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#endif /* __nsDebugHelpWin32_h__ */
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