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Date: Thu, 10 Jan 2002 10:59:00 -0000
From: Kumar Gala <kumar.gala@motorola.com>
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To: Paul Mackerras <paulus@samba.org>
cc: Andrew Cagney <ac131313@cygnus.com>, Kumar Gala <Kumar.Gala@motorola.com>,
        <linuxppc-dev@lists.linuxppc.org>, Daniel Jacobowitz <drow@mvista.com>,
        Kevin Buettner <kevinb@redhat.com>, <gdb@sources.redhat.com>,
        <ezannoni@cygnus.com>, <fsirl@kernel.crashing.org>
Subject: Re: AltiVec register ptrace support
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Paul,

Can you please make a decision regarding which version (or both) of the
AltiVec ptrace support should go into the kernel.

The two patches are available here:

http://lists.linuxppc.org/linuxppc-dev/200112/msg00107.html

The change is holding up altivec support for gdb.

Thanks

- kumar

On Mon, 17 Dec 2001, Paul Mackerras wrote:

> Andrew Cagney writes:
>
> > The Linux/PPC kernel supports PEEK/POKE for fetching registers.  The
> > proposed Kernel interface _consistently_ extends that interface using
> > the exact same mechanims to obtain the altivec regiters.  All the
> > required changes for this have been posted and have been demonstrated to
> > work.
> >
> > Separate to that, it has been _proposed_ that the PPC ptrace() interface
> > be changed so that get/set reg for all register classes be added
> > (incomplete patch posted).  Isn't this separate to the problem at hand?
>
> If we are going to add a get/set reg interface for the altivec vector
> registers, I would rather not extend the peek/poke interface to do
> that as well.
>
> Paul.
>