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Re: thread-ready ABIs



> From: Ulrich Drepper <drepper@redhat.com>
> Date: 18 Jan 2002 08:09:52 -0800

> Geoff Keating <geoffk@geoffk.org> writes:
> 
> > It will be %r2 for ELF.  No register is available for AIX and I will
> > leave that unless someone can make a proposal.
> 
> AIX is no issue.  We don't determine the ABI, it's IBM's problem.
> glibc will work as before on AIX.
> 
> Is %r2 currently unused?  If this a break in the ABI?

It is currently reserved for the system.  I believe some programs use
it, but not many.

-- 
- Geoffrey Keating <geoffk@geoffk.org> <geoffk@redhat.com>


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