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From: Ulrich Weigand <weigand@i1.informatik.uni-erlangen.de>
To: rth@redhat.com (Richard Henderson)
Cc: weigand@i1.informatik.uni-erlangen.de (Ulrich Weigand),
	gdb-patches@sources.redhat.com, uweigand@de.ibm.com
Subject: Re: [PATCH] S/390 DWARF-2 CFI frame support
Date: Fri, 05 Dec 2003 02:16:00 -0000	[thread overview]
Message-ID: <200312050216.DAA08066@faui1d.informatik.uni-erlangen.de> (raw)
In-Reply-To: <20031205021015.GA18736@redhat.com> from "Richard Henderson" at Dec 04, 2003 06:10:15 PM

Richard Henderson wrote:
> On Fri, Dec 05, 2003 at 03:03:52AM +0100, Ulrich Weigand wrote:
> > However, there is one point that requires special consideration
> > in any case: what if the stack pointer is unspecified?  On s390,
> > treating it as preserved from the inner frame is correct, but
> > on i386 and other platforms I guess this would be wrong -- it
> > needs to be set to the CFA there (which is wrong on s390 due
> > to the CFA bias we have).
> 
> I thought s390 always provided a REG_SAVED for the stack pointer?

Except in leaf functions ...

Bye,
Ulrich

-- 
  Dr. Ulrich Weigand
  weigand@informatik.uni-erlangen.de


  reply	other threads:[~2003-12-05  2:16 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-12-04 20:09 Ulrich Weigand
2003-12-04 22:47 ` Jim Blandy
2003-12-05  0:49 ` Richard Henderson
2003-12-05  1:04   ` Andrew Cagney
2003-12-05  1:44     ` Richard Henderson
2003-12-05  2:03   ` Ulrich Weigand
2003-12-05  2:11     ` Richard Henderson
2003-12-05  2:16       ` Ulrich Weigand [this message]
2003-12-05  2:13     ` Daniel Jacobowitz
2003-12-05  2:19       ` Ulrich Weigand
2003-12-05 16:02 ` Andrew Cagney
2003-12-05 17:54   ` Ulrich Weigand
2003-12-10 17:14   ` Andrew Cagney
2003-12-10 18:52     ` Ulrich Weigand
2003-12-12 17:43     ` Mark Kettenis
2003-12-13 15:32       ` Ulrich Weigand
2003-12-14 15:23         ` Mark Kettenis
2003-12-14 16:40           ` Andrew Cagney
2003-12-14 17:16             ` Mark Kettenis

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