From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.91] helo=mail.sourceforge.net) by sc8-sf-list1.sourceforge.net with esmtp (Exim 4.30) id 1EiPXK-0003vC-LO for user-mode-linux-devel@lists.sourceforge.net; Fri, 02 Dec 2005 21:02:14 -0800 Received: from lakshmi.addtoit.com ([198.99.130.6] helo=lakshmi.solana.com) by mail.sourceforge.net with esmtp (Exim 4.44) id 1EiPXJ-00035V-9t for user-mode-linux-devel@lists.sourceforge.net; Fri, 02 Dec 2005 21:02:14 -0800 From: Jeff Dike Subject: Re: [uml-devel] Testing requested - [PATCH] Fixing SKAS0 compilation problem / TT mode bug report Message-ID: <20051203055429.GA17426@ccure.user-mode-linux.org> References: <200511272159.38069.blaisorblade@yahoo.it> <200511291728.56515.blaisorblade@yahoo.it> <20051129175556.GA14058@ccure.user-mode-linux.org> <200512020118.27879.blaisorblade@yahoo.it> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200512020118.27879.blaisorblade@yahoo.it> Sender: user-mode-linux-devel-admin@lists.sourceforge.net Errors-To: user-mode-linux-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Id: The user-mode Linux development list List-Post: List-Help: List-Subscribe: , List-Archive: Date: Sat, 3 Dec 2005 00:54:29 -0500 To: Blaisorblade Cc: user-mode-linux-devel@lists.sourceforge.net On Fri, Dec 02, 2005 at 01:18:27AM +0100, Blaisorblade wrote: > I want to add the int3 too - that's the only way to be deterministically > sure that GCC doesn't use %ebp after the unmap. Well, my current patch branches to the int3. gcc will have to be pretty imaginative to involve ebp in a branch. > Yes, mostly.... there is also the problem with hardened toolchains (two > different reports), which makes inline syscalls bleach (hardened toolchains > use PIE code and need to have %EBX reserved for GOT/PLT handling), but I > currently I do not consider fixing it before I can reproduce it. Yeah, I encountered this in a different context. Jeff ------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Do you grep through log files for problems? Stop! Download the new AJAX search engine that makes searching your log files as easy as surfing the web. DOWNLOAD SPLUNK! http://ads.osdn.com/?ad_id=7637&alloc_id=16865&op=click _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel