From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Matt Sealey <matt@genesi-usa.com>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: [PATCH] add Altivec/VMX state to coredumps
Date: Wed, 26 Sep 2007 08:18:31 +1000 [thread overview]
Message-ID: <1190758712.23457.0.camel@localhost.localdomain> (raw)
In-Reply-To: <46F94CBA.2060901@genesi-usa.com>
On Tue, 2007-09-25 at 19:00 +0100, Matt Sealey wrote:
> Kumar Gala wrote:
> > On Sep 24, 2007, at 11:03 PM, Mark Nelson wrote:
> >
> >> Update dump_task_altivec() (that has so far never been put to use)
> >> so that it dumps the Altivec/VMX registers (VR[0] - VR[31], VSCR
> >> and VRSAVE) in the same format as the ptrace get_vrregs() and add
> >> the appropriate glue typedefs and #defines to
> >> include/asm-powerpc/elf.h for it to work.
> >
> > Is there some way to tell if the core dump has altivec registers
> > state in it?
> >
> > I'm wondering how we distinguish a core dump w/altivec state vs one
> > with SPE state.
>
> Sheer number of registers saved?
>
> Why not put the PVR in core dumps that'd make it all easier..
PVR wouldn't be very useful... What if you have altivec disabled ? Also
that would mean your gdb has to know about all new processors...
Ben.
next prev parent reply other threads:[~2007-09-25 22:20 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-25 4:03 [PATCH] add Altivec/VMX state to coredumps Mark Nelson
2007-09-25 12:39 ` Kumar Gala
2007-09-25 18:00 ` Matt Sealey
2007-09-25 22:18 ` Benjamin Herrenschmidt [this message]
2007-09-26 11:05 ` Matt Sealey
2007-09-26 13:21 ` Segher Boessenkool
2007-09-26 13:32 ` Kumar Gala
2007-09-26 13:38 ` Segher Boessenkool
2007-09-26 14:00 ` Matt Sealey
2007-09-26 1:22 ` Mark Nelson
2007-09-26 3:56 ` Kumar Gala
2007-09-26 4:56 ` Mark Nelson
2007-09-26 5:37 ` Kumar Gala
2007-09-26 7:42 ` Geert Uytterhoeven
2007-09-27 2:53 ` Michael Ellerman
2007-09-27 2:48 ` Michael Ellerman
2007-09-27 10:10 ` Kumar Gala
2007-09-27 23:54 ` Michael Ellerman
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