From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 12648 invoked by alias); 7 Jul 2009 13:19:44 -0000 Received: (qmail 12636 invoked by uid 22791); 7 Jul 2009 13:19:43 -0000 X-SWARE-Spam-Status: No, hits=-2.3 required=5.0 tests=AWL,BAYES_00,SPF_HELO_PASS,SPF_PASS X-Spam-Check-By: sourceware.org Received: from mx1.redhat.com (HELO mx1.redhat.com) (66.187.233.31) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Tue, 07 Jul 2009 13:19:36 +0000 Received: from int-mx1.corp.redhat.com (int-mx1.corp.redhat.com [172.16.52.254]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id n67DJXdo015489; Tue, 7 Jul 2009 09:19:33 -0400 Received: from fche.csb (vpn-10-134.bos.redhat.com [10.16.10.134]) by int-mx1.corp.redhat.com (8.13.1/8.13.1) with ESMTP id n67DJWgJ027762; Tue, 7 Jul 2009 09:19:33 -0400 Received: by fche.csb (Postfix, from userid 2569) id A4126584AB; Tue, 7 Jul 2009 09:19:32 -0400 (EDT) Date: Tue, 07 Jul 2009 13:19:00 -0000 From: "Frank Ch. Eigler" To: Michael Matz Cc: gdb-patches@sourceware.org, Mark Kettenis Subject: Re: RFC: %ebp-based backtrace patch Message-ID: <20090707131932.GA1933@redhat.com> References: <20090706183316.GA26074@caradoc.them.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.2.2i Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org X-SW-Source: 2009-07/txt/msg00192.txt.bz2 Hi - On Tue, Jul 07, 2009 at 02:15:19PM +0200, Michael Matz wrote: > [...] > > Could gdb partially disassemble such functions to check > > whether %ebp is likely being used as this heuristic expects? > > Nope. We don't know the function borders. [...] I'm feeling dense, so can you explain why? We have at least a PC value, which one could map in the symbol table, no? - FChE