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



More information about the Libc-hacker mailing list