From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gdb-patches-return-76752-listarch-gdb-patches=sources.redhat.com@sourceware.org>
Received: (qmail 6810 invoked by alias); 30 Nov 2010 18:55:15 -0000
Received: (qmail 6799 invoked by uid 22791); 30 Nov 2010 18:55:14 -0000
X-SWARE-Spam-Status: No, hits=-6.2 required=5.0	tests=AWL,BAYES_00,RCVD_IN_DNSWL_HI,SPF_HELO_PASS,TW_GJ,T_RP_MATCHES_RCVD
X-Spam-Check-By: sourceware.org
Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28)    by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Tue, 30 Nov 2010 18:55:09 +0000
Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23])	by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id oAUIt8Qp030333	(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK)	for <gdb-patches@sourceware.org>; Tue, 30 Nov 2010 13:55:08 -0500
Received: from ns3.rdu.redhat.com (ns3.rdu.redhat.com [10.11.255.199])	by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id oAUIt7FM012279;	Tue, 30 Nov 2010 13:55:07 -0500
Received: from opsy.redhat.com (ovpn01.gateway.prod.ext.phx2.redhat.com [10.5.9.1])	by ns3.rdu.redhat.com (8.13.8/8.13.8) with ESMTP id oAUIt6I4001516;	Tue, 30 Nov 2010 13:55:07 -0500
Received: by opsy.redhat.com (Postfix, from userid 500)	id 9B85737817F; Tue, 30 Nov 2010 11:55:06 -0700 (MST)
From: Tom Tromey <tromey@redhat.com>
To: Jan Kratochvil <jan.kratochvil@redhat.com>
Cc: gdb-patches@sourceware.org
Subject: Re: RFC: next/finish/etc -vs- exceptions
References: <m38w2a236l.fsf@fleche.redhat.com>	<20101125075847.GA19270@host0.dyn.jankratochvil.net>	<m3wrnur7q8.fsf@fleche.redhat.com>
Date: Tue, 30 Nov 2010 18:55:00 -0000
In-Reply-To: <m3wrnur7q8.fsf@fleche.redhat.com> (Tom Tromey's message of "Tue,	30 Nov 2010 11:23:27 -0700")
Message-ID: <m3zksqprp1.fsf@fleche.redhat.com>
User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.2 (gnu/linux)
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm
Precedence: bulk
List-Id: <gdb-patches.sourceware.org>
List-Subscribe: <mailto:gdb-patches-subscribe@sourceware.org>
List-Archive: <http://sourceware.org/ml/gdb-patches/>
List-Post: <mailto:gdb-patches@sourceware.org>
List-Help: <mailto:gdb-patches-help@sourceware.org>, <http://sourceware.org/ml/#faqs>
Sender: gdb-patches-owner@sourceware.org
X-SW-Source: 2010-11/txt/msg00509.txt.bz2

>>>>> "Tom" == Tom Tromey <tromey@redhat.com> writes:

Tom> It turns out there is a bug here in CVS gdb, with longjmp breakpoints.

Tom> Error accessing memory address 0x83f4375: Input/output error.

Tom> I'm looking into it some more.

Oh, duh.  This happens because the gdb can't decode the mangled PC in
glibc's jmp_buf, aka http://sourceware.org/bugzilla/show_bug.cgi?id=9270

I'm going to hack around this so I can test my patch.

Tom