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Re: AltiVec register ptrace support
- From: Kumar Gala <kumar dot gala at motorola dot com>
- To: Andrew Cagney <ac131313 at cygnus dot com>
- Cc: Kumar Gala <Kumar dot Gala at motorola dot com>, <linuxppc-dev at lists dot linuxppc dot org>, Daniel Jacobowitz <drow at mvista dot com>, Kevin Buettner <kevinb at redhat dot com>, <gdb at sources dot redhat dot com>, <ezannoni at cygnus dot com>, <fsirl at kernel dot crashing dot org>, <paulus at samba dot org>
- Date: Sat, 15 Dec 2001 11:44:43 -0600 (CST)
- Subject: Re: AltiVec register ptrace support
> 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?
I think you are correct they are separate issues. I posted both methods
so we could decide in which direction we wanted to go with the ptrace
interface. I would like to see the single word at a time interface that
currectly exists be patched to support AltiVec so we can get debugger
support working. I would like this done to the 2.4.x tree.
- kumar