private IntPtr CreateMethodStub(MethodCompiler methodCompiler)
{
if (methodCompiler == null)
throw new ArgumentNullException("methodCompiler");
_unmanagedDelegates.Add(methodCompiler);
IntPtr methodPtr = Marshal.GetFunctionPointerForDelegate(methodCompiler);
Assembler assembler = new Assembler();
Label label = assembler.DefineLabel();
assembler.Call(label);
assembler.MarkLabel(label);
assembler.Sub(Mem.sysint_ptr(Register.nsp), 5);
assembler.Call(methodPtr);
assembler.Add(Register.nsp, IntPtr.Size);
assembler.Jmp(Register.nax);
return assembler.Make();
}