From: Daniel Jacobowitz <drow@mvista.com>
To: Andrew Cagney <ac131313@redhat.com>
Cc: gdb-patches@sources.redhat.com, rearnsha@arm.com
Subject: Re: [RFA/ARM] Framificate the ARM port [3/3]
Date: Mon, 07 Jul 2003 21:12:00 -0000 [thread overview]
Message-ID: <20030707211253.GA19719@nevyn.them.org> (raw)
In-Reply-To: <3F0987C2.4010007@redhat.com>
On Mon, Jul 07, 2003 at 10:46:26AM -0400, Andrew Cagney wrote:
>
> >Makes sense. I will need to cache a PC to fix some corner cases with
> >signal trampolines, but I'm not fixing that bug right now.
>
> Can you expand? I can understand cacheing the previous frame's PC but
> not this frame's.
We can't use frame_func_unwind on a sigtramp frame. So we'll need to
cache some information to figure out the PC's offset within the
trampoline. Otherwise single-stepping in the trampoline will yield two
different frame IDs.
--
Daniel Jacobowitz
MontaVista Software Debian GNU/Linux Developer
next prev parent reply other threads:[~2003-07-07 21:12 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-06-30 22:55 Daniel Jacobowitz
2003-07-01 15:32 ` Andrew Cagney
2003-07-07 13:47 ` Daniel Jacobowitz
2003-07-07 14:46 ` Andrew Cagney
2003-07-07 21:12 ` Daniel Jacobowitz [this message]
2003-07-01 18:27 ` Andrew Cagney
2003-07-01 22:26 ` Daniel Jacobowitz
2003-07-01 23:24 ` Andrew Cagney
2003-07-07 13:53 ` Daniel Jacobowitz
2003-07-07 14:23 ` Daniel Jacobowitz
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