From: Daniel Jacobowitz <drow@false.org>
To: Jan Kratochvil <jan.kratochvil@redhat.com>
Cc: Jeremy Bennett <jeremy.bennett@embecosm.com>,
gdb-patches@sourceware.org, Denys Vlasenko <dvlasenk@redhat.com>
Subject: Re: "no longer active" registers
Date: Mon, 13 Apr 2009 12:56:00 -0000 [thread overview]
Message-ID: <20090413125643.GA15847@caradoc.them.org> (raw)
In-Reply-To: <20090413124021.GA7419@host0.dyn.jankratochvil.net>
On Mon, Apr 13, 2009 at 02:40:21PM +0200, Jan Kratochvil wrote:
> > I notice that this patch is not part of the main GDB CVS tree. Are there
> > plans to incorporate this patch into the main CVS tree, or are there
> > side-effects that mean it is not generally applicable?
>
> While I could not find a regression by this patch it is just a fixup of one of
> the many places affected by the ambiguous meaning of a NULL frame.
I think it's the opposite workaround that should be used. The NULL ID
is usually the outermost frame, not the innermost. I don't have a
link handy but I've posted another workaround for this to the list in
the past.
> Probably the right fix is to have non-NULL frame value for the unbacktraceable
> frame.
Yes, I agree.
--
Daniel Jacobowitz
CodeSourcery
prev parent reply other threads:[~2009-04-13 12:56 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-13 8:18 Jeremy Bennett
2009-04-13 12:40 ` Jan Kratochvil
2009-04-13 12:56 ` Daniel Jacobowitz [this message]
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