{

__try

{

// Raise DIV/0

#ifdef _WIN64

__div0_64();

#else

__asm

{

xor eax, eax

div eax

}

#endif

return true;

}

__except (EXCEPTION_EXECUTE_HANDLER)

{

return false;

}

{

__asm

{

xor eax, eax

int 3 // CC

jmp beingDebugged // EB ??

ret

beingDebugged :

inc eax

ret

}

{

PCONTEXT ctx = pExceptionInfo->ContextRecord;

#ifdef _WIN64

ctx->Rip += 3; // Skip: 'CC EB ??'

#else

ctx->Eip += 3; // Skip: 'CC EB ??'

#endif

return EXCEPTION_CONTINUE_EXECUTION;

{

SetUnhandledExceptionFilter((LPTOP_LEVEL_EXCEPTION_FILTER)unhandled_exception_filter);

#ifdef _WIN64

return __unhandled_exception_filter_64();

#else

return unhandled_exception_raiser();

#endif

{

__try

{

i_RaiseException(DBG_CONTROL_C, 0, 0, nullptr);

return true;

}

__except (DBG_CONTROL_C == GetExceptionCode() ? EXCEPTION_EXECUTE_HANDLER : EXCEPTION_CONTINUE_SEARCH)

{

return false;

}

{

PCONTEXT ctx = pExceptionInfo->ContextRecord;

if (ctx->Dr0 != 0 || ctx->Dr1 != 0 || ctx->Dr2 != 0 || ctx->Dr3 != 0)

{

// Skip 'bDebugged = true'

#ifdef _WIN64

ctx->Rip += 2;

#else

ctx->Eip += 2;

#endif

return EXCEPTION_CONTINUE_EXECUTION;

}

return EXCEPTION_EXECUTE_HANDLER;

{

HANDLE hExeptionHandler = nullptr;

bool bDebugged = false;

__try

{

hExeptionHandler = i_AddVectoredExceptionHandler(1, my_veh);

__try

{

__debugbreak(); // INT3

bDebugged = true;

}

__except (EXCEPTION_EXECUTE_HANDLER)

{

// ignored

}

}

__finally

{

if (hExeptionHandler)

i_RemoveVectoredExceptionHandler(hExeptionHandler);

}

return bDebugged;

{

trap_flag_swallowed_exception = FALSE;

if (ExceptionInfo->ExceptionRecord->ExceptionCode == EXCEPTION_SINGLE_STEP)

return EXCEPTION_CONTINUE_EXECUTION;

return EXCEPTION_CONTINUE_SEARCH;

{

PVOID Handle = i_AddVectoredExceptionHandler(1, trap_flag_veh);

trap_flag_swallowed_exception = TRUE;

#ifdef _WIN64

UINT64 eflags = __readeflags();

#else

UINT eflags = __readeflags();

#endif

// Set the trap flag

eflags |= 0x100; // Trap flag (single step)

__writeeflags(eflags);

i_RemoveVectoredExceptionHandler(Handle);

return trap_flag_swallowed_exception;