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hook SetUnhandledExceptionFilter for debug build

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FunkyFr3sh 2023-06-29 21:13:04 +02:00
parent f352aedc59
commit 087f41ce11
7 changed files with 39 additions and 5 deletions
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1
inc/debug.h
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@ -27,6 +27,7 @@ char* dbg_mes_to_str(int id);
extern double g_dbg_frame_time;
extern DWORD g_dbg_frame_count;
extern LPTOP_LEVEL_EXCEPTION_FILTER g_dbg_exception_filter;
//#define _DEBUG 1

2
inc/hook.h
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@ -55,6 +55,7 @@ typedef HMODULE(WINAPI* LOADLIBRARYEXAPROC)(LPCSTR, HANDLE, DWORD);
typedef HMODULE(WINAPI* LOADLIBRARYEXWPROC)(LPCWSTR, HANDLE, DWORD);
typedef BOOL(WINAPI* GETDISKFREESPACEAPROC)(LPCSTR, LPDWORD, LPDWORD, LPDWORD, LPDWORD);
typedef HRESULT(WINAPI* COCREATEINSTANCEPROC)(REFCLSID, LPUNKNOWN, DWORD, REFIID, LPVOID*);
typedef LPTOP_LEVEL_EXCEPTION_FILTER(WINAPI* SETUNHANDLEDEXCEPTIONFILTERPROC)(LPTOP_LEVEL_EXCEPTION_FILTER);
extern GETCURSORPOSPROC real_GetCursorPos;
extern CLIPCURSORPROC real_ClipCursor;
@ -93,6 +94,7 @@ extern LOADLIBRARYEXAPROC real_LoadLibraryExA;
extern LOADLIBRARYEXWPROC real_LoadLibraryExW;
extern GETDISKFREESPACEAPROC real_GetDiskFreeSpaceA;
extern COCREATEINSTANCEPROC real_CoCreateInstance;
extern SETUNHANDLEDEXCEPTIONFILTERPROC real_SetUnhandledExceptionFilter;
extern int g_hook_method;
extern BOOL g_hook_dinput;

3
inc/winapi_hooks.h
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@ -61,4 +61,7 @@ HWND WINAPI fake_CreateWindowExA(
HRESULT WINAPI fake_CoCreateInstance(
REFCLSID rclsid, LPUNKNOWN pUnkOuter, DWORD dwClsContext, REFIID riid, LPVOID* ppv);
LPTOP_LEVEL_EXCEPTION_FILTER WINAPI fake_SetUnhandledExceptionFilter(
LPTOP_LEVEL_EXCEPTION_FILTER lpTopLevelExceptionFilter);
#endif

4
src/debug.c
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@ -10,6 +10,7 @@
double g_dbg_frame_time = 0;
DWORD g_dbg_frame_count = 0;
LPTOP_LEVEL_EXCEPTION_FILTER g_dbg_exception_filter;
static LONGLONG g_dbg_counter_start_time = 0;
static double g_dbg_counter_freq = 0.0;
@ -74,6 +75,9 @@ int dbg_exception_handler(EXCEPTION_POINTERS* exception)
filename);
}
if (g_dbg_exception_filter)
return g_dbg_exception_filter(exception);
return EXCEPTION_EXECUTE_HANDLER;
}
#endif

4
src/dllmain.c
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@ -25,10 +25,10 @@ BOOL WINAPI DllMain(HANDLE hDll, DWORD dwReason, LPVOID lpReserved)
{
case DLL_PROCESS_ATTACH:
{
#if _DEBUG
#ifdef _DEBUG
dbg_init();
TRACE("cnc-ddraw = %p\n", hDll);
SetUnhandledExceptionFilter((LPTOP_LEVEL_EXCEPTION_FILTER)dbg_exception_handler);
g_dbg_exception_filter = SetUnhandledExceptionFilter((LPTOP_LEVEL_EXCEPTION_FILTER)dbg_exception_handler);
#endif
g_ddraw_module = hDll;

20
src/hook.c
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@ -54,6 +54,7 @@ LOADLIBRARYEXAPROC real_LoadLibraryExA = LoadLibraryExA;
LOADLIBRARYEXWPROC real_LoadLibraryExW = LoadLibraryExW;
GETDISKFREESPACEAPROC real_GetDiskFreeSpaceA = GetDiskFreeSpaceA;
COCREATEINSTANCEPROC real_CoCreateInstance = CoCreateInstance;
SETUNHANDLEDEXCEPTIONFILTERPROC real_SetUnhandledExceptionFilter = SetUnhandledExceptionFilter;
static HOOKLIST g_hooks[] =
{
@ -567,12 +568,14 @@ void hook_init()
void hook_early_init()
{
/*
#ifdef _DEBUG && _MSC_VER
hook_patch_iat(GetModuleHandle(NULL), FALSE, "kernel32.dll", "SetUnhandledExceptionFilter", (PROC)fake_SetUnhandledExceptionFilter);
DetourTransactionBegin();
DetourUpdateThread(GetCurrentThread());
DetourAttach((PVOID*)&real_CoCreateInstance, (PVOID)fake_CoCreateInstance);
DetourAttach((PVOID*)&real_SetUnhandledExceptionFilter, (PVOID)fake_SetUnhandledExceptionFilter);
DetourTransactionCommit();
*/
#endif
hook_patch_iat(GetModuleHandle(NULL), FALSE, "ole32.dll", "CoCreateInstance", (PROC)fake_CoCreateInstance);
hook_patch_iat(GetModuleHandle("XIIIGame.dll"), FALSE, "ole32.dll", "CoCreateInstance", (PROC)fake_CoCreateInstance); //Hooligans
@ -633,6 +636,17 @@ void hook_exit()
hook_revert((HOOKLIST*)&g_hooks);
}
#ifdef _DEBUG && _MSC_VER
DetourTransactionBegin();
DetourUpdateThread(GetCurrentThread());
DetourDetach((PVOID*)&real_SetUnhandledExceptionFilter, (PVOID)fake_SetUnhandledExceptionFilter);
DetourTransactionCommit();
hook_patch_iat(GetModuleHandle(NULL), TRUE, "kernel32.dll", "SetUnhandledExceptionFilter", (PROC)fake_SetUnhandledExceptionFilter);
real_SetUnhandledExceptionFilter(g_dbg_exception_filter);
#endif
hook_patch_iat(GetModuleHandle(NULL), TRUE, "ole32.dll", "CoCreateInstance", (PROC)fake_CoCreateInstance);
hook_patch_iat(GetModuleHandle("XIIIGame.dll"), TRUE, "ole32.dll", "CoCreateInstance", (PROC)fake_CoCreateInstance); //Hooligans
hook_patch_iat(GetModuleHandle(NULL), TRUE, "dinput.dll", "DirectInputCreateA", (PROC)fake_DirectInputCreateA);

10
src/winapi_hooks.c
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@ -1076,3 +1076,13 @@ HRESULT WINAPI fake_CoCreateInstance(REFCLSID rclsid, LPUNKNOWN pUnkOuter, DWORD
return real_CoCreateInstance(rclsid, pUnkOuter, dwClsContext, riid, ppv);
}
LPTOP_LEVEL_EXCEPTION_FILTER WINAPI fake_SetUnhandledExceptionFilter(
LPTOP_LEVEL_EXCEPTION_FILTER lpTopLevelExceptionFilter)
{
LPTOP_LEVEL_EXCEPTION_FILTER old = g_dbg_exception_filter;
g_dbg_exception_filter = lpTopLevelExceptionFilter;
return old;
//return real_SetUnhandledExceptionFilter(lpTopLevelExceptionFilter);
}