Re: Getting Old.

[ned <nd () felinemenace org>]

On Wed, 11 Aug 2004, Dave Aitel wrote:

> Blue Boar wrote:
>
> > Dave Aitel wrote:
> >
> > > Basically, you have to write a gnu-compatable assembler entirely in 
> > > Python. I have one for X86 which was quite difficult due to variable 
> > > length opcodes, but it's not nearly has difficult ( I think ) on 
> > > something like SPARC/MIPS/PPC, etc.
> >
> >
> > Did you do PPC already?  What's involved in something new like AIX, 
> > system calling convention?  Or is it x86-only so far?
> >
> >                     BB
>
> MOSDEF is currently fully functional on Linux/Win32 X86 only. A full 
> MOSDEF engine requires an assembler, an il2<arch asm>.py, and a remote 
> resolver stub, which is typically a small amount of libc (and mostly 
> reusable between platforms).

IIRC, plan9 has a heap of cool emulators, well one for MIPS i know of. 
would there be some way to tap into a development platform like p9, or 
even write a language transposer in python?. python is good for that sort 
of stuff, better than perl anyway.
 
> The hard part, of course, was the cparse.py, which may need modification 
> to support RISC chips - I have no idea right now.
>
> Right now, MOSDEF is a gain mostly when doing complex things, or things 
> that require a lot of data transfer. My compiler needs some 
> optimization, and it turned out not to be trivial to do so with the 
> Python profiler. I'm seeing a one second overhead on a reasonably fast 
> machine currently, which is pretty annoying.
>
> -dave
>
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