thread-ready ABIs
Jakub Jelinek
jakub@redhat.com
Fri Jan 18 14:04:00 GMT 2002
On Fri, Jan 18, 2002 at 12:16:33PM -0800, Geoff Keating wrote:
>
> > 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.
But if it is reseerved by the ABI, then it is certainly their fault
(remember fixing two or three packages which used %g6 on sparc).
Jakub
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