> Maybe #ifdef'ing the current unexalpha.c to be compilable for either
> 32-bit elf or 64-bit elf would be a better start?

I actually spent a day or so hacking on this about six months ago, and
if you'd proposed this then, I could have given you an answer.
Unfortunately, bits have rotted and I no longer can.   Sigh.   :'}

			       _MelloN_