From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 7975 invoked by alias); 4 Aug 2006 22:20:54 -0000 Received: (qmail 7966 invoked by uid 22791); 4 Aug 2006 22:20:53 -0000 X-Spam-Check-By: sourceware.org Received: from viper.snap.net.nz (HELO viper.snap.net.nz) (202.37.101.8) by sourceware.org (qpsmtpd/0.31) with ESMTP; Fri, 04 Aug 2006 22:20:51 +0000 Received: from kahikatea.snap.net.nz (p202-124-124-7.snap.net.nz [202.124.124.7]) by viper.snap.net.nz (Postfix) with ESMTP id 98AA977F9D3; Sat, 5 Aug 2006 10:20:48 +1200 (NZST) Received: by kahikatea.snap.net.nz (Postfix, from userid 500) id D05C8BE3AA; Sat, 5 Aug 2006 10:19:15 +1200 (NZST) From: Nick Roberts MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <17619.51169.377583.613674@kahikatea.snap.net.nz> Date: Fri, 04 Aug 2006 22:20:00 -0000 To: Daniel Jacobowitz Cc: gdb@sources.redhat.com Subject: Re: stepping over longjmp In-Reply-To: <20060804131913.GB26799@nevyn.them.org> References: <17619.308.218261.761948@kahikatea.snap.net.nz> <20060804131913.GB26799@nevyn.them.org> X-Mailer: VM 7.19 under Emacs 22.0.50.18 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/msg00029.txt.bz2 > > 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. -- Nick http://www.inet.net.nz/~nickrob