How do I link to a DLL from javascript in XULRunner?

I have a dll (that I didn't write) and I would like to use it in an XULRunner application. I know nearly nothing about this, so bear with me. Apparently I can use XPCOM to load the dll and then call functions in it. 开发者_如何学编程How would I do that?

Or you could wait until xulrunner includes js-ctypes and call the DLL directly.