Method findAddressByStackBackTrace

windows-kill-library/ctrl-routine.cpp:132–168

TODO: a rewrite needed.

	// TODO: a rewrite needed.
	void CtrlRoutine::findAddressByStackBackTrace() {
		LPVOID ctrlRoutine;
		
		USHORT count = CaptureStackBackTrace((ULONG)2, (ULONG)1, &ctrlRoutine, NULL);
		if (count != 1) {
			return;
			/*	TODO: Remove. No Exception Available here.
				throw runtime_error(string("Cannot capture stack back trace."));
			*/
		}

		HANDLE hProcess = GetCurrentProcess();
		if (!SymInitialize(hProcess, NULL, TRUE)) {
			return;
			/*	TODO: Remove. No Exception Available here.
				throw runtime_error(string("Cannot SymInitialize. Code: ") + std::to_string(GetLastError()));
			*/
		}

		ULONG64 buffer[(sizeof(SYMBOL_INFO) + MAX_SYM_NAME * sizeof(TCHAR) + sizeof(ULONG64) - 1) / sizeof(ULONG64)];
		PSYMBOL_INFO pSymbol = (PSYMBOL_INFO)buffer;
		pSymbol->SizeOfStruct = sizeof(SYMBOL_INFO);
		pSymbol->MaxNameLen = MAX_SYM_NAME;

		LPVOID funcCtrlRoutine = NULL;
		DWORD64 dwDisplacement = 0;
		if (!SymFromAddr(hProcess, (DWORD64)ctrlRoutine, &dwDisplacement, pSymbol)) {
			return;
			/*	TODO: Remove. No Exception Available here.
				throw runtime_error(string("Cannot SymFromAddr. Code: ") + std::to_string(GetLastError()));
			*/
		}
		funcCtrlRoutine = reinterpret_cast<LPVOID>(pSymbol->Address);

		SymCleanup(hProcess);
		this->address = (LPTHREAD_START_ROUTINE)funcCtrlRoutine;
	}
}