From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 10288 invoked by alias); 11 Jul 2005 17:06:47 -0000 Mailing-List: contact gdb-help@sources.redhat.com; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-owner@sources.redhat.com Received: (qmail 10250 invoked by uid 22791); 11 Jul 2005 17:06:42 -0000 Received: from nevyn.them.org (HELO nevyn.them.org) (66.93.172.17) by sourceware.org (qpsmtpd/0.30-dev) with ESMTP; Mon, 11 Jul 2005 17:06:42 +0000 Received: from drow by nevyn.them.org with local (Exim 4.52) id 1Ds1jp-0000TH-Ov; Mon, 11 Jul 2005 13:06:37 -0400 Date: Mon, 11 Jul 2005 17:06:00 -0000 From: Daniel Jacobowitz To: Richard Henderson Cc: Christophe LYON , gdb@sources.redhat.com Subject: Re: dwarf2 frame unwinder assumptions on SP Message-ID: <20050711170637.GA1734@nevyn.them.org> Mail-Followup-To: Richard Henderson , Christophe LYON , gdb@sources.redhat.com References: <42D285AB.9E36C062@st.com> <20050711145053.GA29229@nevyn.them.org> <42D290FF.F665B4A1@st.com> <20050711154723.GA30937@nevyn.them.org> <42D29716.CCF93A0C@st.com> <20050711160334.GA31890@nevyn.them.org> <20050711170236.GA27909@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20050711170236.GA27909@redhat.com> User-Agent: Mutt/1.5.8i X-SW-Source: 2005-07/txt/msg00124.txt.bz2 On Mon, Jul 11, 2005 at 10:02:36AM -0700, Richard Henderson wrote: > On Mon, Jul 11, 2005 at 12:03:34PM -0400, Daniel Jacobowitz wrote: > > I have the nagging feeling this has come up before, but I can't > > remember the conclusion. > > That dwarf2 doesn't have the proper codes to represent anything > other than entry-sp-equals-cfa and entry-sp-stored-on-stack. That's right, but I meant the change to GDB's internal representation specifically. BTW, the latest dwarf3 draft does include appropriate unwinding rules for register = cfa + value, along with a couple of other useful ones. That draft isn't publicly available yet, but see here: http://dwarf.freestandards.org/ShowIssue.php?issue=030812.2&type=closed -- Daniel Jacobowitz CodeSourcery, LLC