インラインアセンブラ

hoge.cpp

#include <windows.h>

void WINAPI hoge();
FARPROC func = (FARPROC)&hoge;

int CALLBACK WinMain(
  _In_ HINSTANCE hInstance,
  _In_ HINSTANCE hPrevInstance,
  _In_ LPSTR     lpCmdLine,
  _In_ int       nCmdShow
)
{
	__asm{
		push func
		ret
	}
	return 0;
}

void WINAPI hoge()
{
	MessageBoxA(0,"","", MB_OK);
}