XCOFF, BFD, ELF, brain mush

[bruce woller]

Walt:

gdb the Gnu Debugger eats ELF and XCOFF for breakfast (along with just 
about any other object file type known to man).  You might take a peek 
into gdb source files to see how it handles these slippery critters.

Regards,
Bruce
On Aug 13, 2004, at 8:32 PM, Walt Pawley wrote:

> I've been asked if I couldn't create a "simple" program to translate a
> restricted class of ELF files into XCOFF. Not being a C maven, or even 
> a
> long time bitslinger in PPC, I was skeptical in the first place. After
> mucking about wondering why "binutils" wasn't up to this for quite some
> time, installing a verson, messing with OS X and YDL at it, I'm only
> slightly confused (and, if you believe that, I have this bridge in San
> Francisco I'd like to talk to you about ...).
>
> Theoretically, objcopy should be able to translate a file in one binary
> format into another binary format ... IF they're both supported in BFD 
> (an
> acronym, I assume - it's been pretty slippery to nail down though 
> that's
> not been the primary focus of my activities - the TLA just shows up
> EVERYWHERE). My problem is that nothing seems to support XCOFF in
> particular - though I did find a supposed "back end" (which I don't 
> know
> what to do with anyway, sigh ...) for it.
>
> Now I'm still mid-research and have every intention of beating this 
> down to
> my size at some point but I'm rather hoping there are some of you 
> who've
> tread this path and can club some sense into me before I get any 
> dizzier. Is
> this easier than I think? What am I missing?
>
> -- 
> Walter M. Pawley <walt@wump.org>
> Wump Research & Company
> 676 River Bend Road, Roseburg, OR 97470
>          541-672-8975
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