From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 11762 invoked by alias); 4 Aug 2006 23:45:50 -0000 Received: (qmail 11753 invoked by uid 22791); 4 Aug 2006 23:45:50 -0000 X-Spam-Check-By: sourceware.org Received: from nevyn.them.org (HELO nevyn.them.org) (66.93.172.17) by sourceware.org (qpsmtpd/0.31.1) with ESMTP; Fri, 04 Aug 2006 23:45:48 +0000 Received: from drow by nevyn.them.org with local (Exim 4.54) id 1G99MO-0003Ud-Qy; Fri, 04 Aug 2006 19:45:44 -0400 Date: Fri, 04 Aug 2006 23:45:00 -0000 From: Daniel Jacobowitz To: Nick Roberts Cc: gdb@sources.redhat.com Subject: Re: stepping over longjmp Message-ID: <20060804234544.GA13412@nevyn.them.org> Mail-Followup-To: Nick Roberts , gdb@sources.redhat.com References: <17619.308.218261.761948@kahikatea.snap.net.nz> <20060804131913.GB26799@nevyn.them.org> <17619.51169.377583.613674@kahikatea.snap.net.nz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <17619.51169.377583.613674@kahikatea.snap.net.nz> User-Agent: Mutt/1.5.11+cvs20060403 X-IsSubscribed: yes Mailing-List: contact gdb-help@sourceware.org; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-owner@sourceware.org X-SW-Source: 2006-08/txt/msg00030.txt.bz2 On Sat, Aug 05, 2006 at 10:19:13AM +1200, Nick Roberts wrote: > > > Is this a known kernel problem or a bug in GDB? > > > > Has nothing to do with the kernel. I imagine that this is the problem > > I discussed on this list a while ago, CC'd to libc-alpha; glibc now > > uses a canary in the jmp_buf which GDB has no way to access. > > Sorry, I should have searched the archives first. > > > Does export LD_POINTER_GUARD=0 make a difference? > > No. Hmm, then it must be something else. -- Daniel Jacobowitz CodeSourcery