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Re: thread-ready ABIs

From: Jakub Jelinek <jakub at redhat dot com>
To: Geoff Keating <geoffk at redhat dot com>
Cc: libc-hacker at sources dot redhat dot com
Date: Fri, 18 Jan 2002 23:07:55 +0100
Subject: Re: thread-ready ABIs
References: <m3elkoa5dw.fsf@myware.mynet> <200201181529.g0IFTV718599@desire.geoffk.org> <m3elkn63ov.fsf@myware.mynet> <200201182016.g0IKGXw18916@desire.geoffk.org>
Reply-to: Jakub Jelinek <jakub at redhat dot com>

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

References:
- thread-ready ABIs
  - From: Ulrich Drepper
- Re: thread-ready ABIs
  - From: Geoff Keating
- Re: thread-ready ABIs
  - From: Ulrich Drepper
- Re: thread-ready ABIs
  - From: Geoff Keating

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