From owner-freebsd-current@FreeBSD.ORG Fri Aug 8 22:05:53 2008 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 1049E1065676; Fri, 8 Aug 2008 22:05:53 +0000 (UTC) (envelope-from tataz@tataz.chchile.org) Received: from postfix1-g20.free.fr (postfix1-g20.free.fr [212.27.60.42]) by mx1.freebsd.org (Postfix) with ESMTP id C25638FC25; Fri, 8 Aug 2008 22:05:52 +0000 (UTC) (envelope-from tataz@tataz.chchile.org) Received: from smtp1-g19.free.fr (smtp1-g19.free.fr [212.27.42.27]) by postfix1-g20.free.fr (Postfix) with ESMTP id 169F92922C1C; Fri, 8 Aug 2008 23:39:35 +0200 (CEST) Received: from smtp1-g19.free.fr (localhost.localdomain [127.0.0.1]) by smtp1-g19.free.fr (Postfix) with ESMTP id 396591AB2E1; Fri, 8 Aug 2008 23:39:33 +0200 (CEST) Received: from tatooine.tataz.chchile.org (tataz.chchile.org [82.233.239.98]) by smtp1-g19.free.fr (Postfix) with ESMTP id 01A331AB2AE; Fri, 8 Aug 2008 23:39:32 +0200 (CEST) Received: from obiwan.tataz.chchile.org (unknown [192.168.1.25]) by tatooine.tataz.chchile.org (Postfix) with ESMTP id 9E8619B497; Fri, 8 Aug 2008 21:33:15 +0000 (UTC) Received: by obiwan.tataz.chchile.org (Postfix, from userid 1000) id 8D1AB4089; Fri, 8 Aug 2008 23:33:15 +0200 (CEST) Date: Fri, 8 Aug 2008 23:33:15 +0200 From: Jeremie Le Hen To: Justin Hibbits Message-ID: <20080808213315.GJ27033@obiwan.tataz.chchile.org> References: <1B818B77-5156-4177-A5E2-B9161BE789FF@alumni.cwru.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1B818B77-5156-4177-A5E2-B9161BE789FF@alumni.cwru.edu> User-Agent: Mutt/1.5.15 (2007-04-06) Cc: freebsd-current@freebsd.org, freebsd-ppc@freebsd.org Subject: Re: SSP on PPC X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 08 Aug 2008 22:05:53 -0000 Hi Justin, On Wed, Jul 30, 2008 at 10:40:58PM -0400, Justin Hibbits wrote: > With a recent upgrade of -CURRENT on my FreeBSD/ppc machine it appears that > the stack smash protection breaks exception handling. This was tested with > C++ and Objective-C, and both segfault at the same place in libgcc_s.so.1, > but it is fixed by recompiling world with WITHOUT_SSP=YES. Perhaps this > should be the default for now? Thanks for reporting this. I've looked into GCC Bugzilla to see if it is a known bug or if it has been resolved in newer versions of GCC, but no luck. I think it would be better to disable SSP for FreeBSD/ppc indeed. I will manage to get this committed. Regards, -- Jeremie Le Hen < jeremie at le-hen dot org >< ttz at chchile dot org >