From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 31006 invoked by alias); 28 Apr 2009 20:15:25 -0000 Received: (qmail 30973 invoked by uid 22791); 28 Apr 2009 20:15:21 -0000 X-SWARE-Spam-Status: No, hits=-1.7 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, 28 Apr 2009 20:15:14 +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 n3SKFBpK010146; Tue, 28 Apr 2009 16:15:11 -0400 Received: from gateway.sf.frob.com (vpn-12-158.rdu.redhat.com [10.11.12.158]) by int-mx1.corp.redhat.com (8.13.1/8.13.1) with ESMTP id n3SKF746003367; Tue, 28 Apr 2009 16:15:08 -0400 Received: from magilla.sf.frob.com (magilla.sf.frob.com [198.49.250.228]) by gateway.sf.frob.com (Postfix) with ESMTP id 82FB4357B; Tue, 28 Apr 2009 13:15:06 -0700 (PDT) Received: by magilla.sf.frob.com (Postfix, from userid 5281) id 4B972FC3BF; Tue, 28 Apr 2009 13:15:06 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit From: Roland McGrath To: Mark Wielaard Cc: Prerna Saxena , systemtap@sourceware.org Subject: Re: [Query] Re: dwarf unwinder (only works on i386/x86_64) In-Reply-To: Mark Wielaard's message of Tuesday, 28 April 2009 21:51:23 +0200 <1240948283.3822.13.camel@hermans.wildebeest.org> References: <1239977157.2336.33.camel@fedora.wildebeest.org> <49F74546.8040206@linux.vnet.ibm.com> <20090428181720.4CBECFC3C6@magilla.sf.frob.com> <1240948283.3822.13.camel@hermans.wildebeest.org> Message-Id: <20090428201506.4B972FC3BF@magilla.sf.frob.com> Date: Tue, 28 Apr 2009 20:15:00 -0000 X-IsSubscribed: yes Mailing-List: contact systemtap-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Post: List-Help: , Sender: systemtap-owner@sourceware.org X-SW-Source: 2009-q2/txt/msg00467.txt.bz2 > The original choice for using debug_frame was because it was always > available (since we required debuginfo already) and it was complete. GCC > 4.4 changed this though (and the uprobes_ustack.exp test does indeed > fail when build with gcc 4.4). [...] To be fair, 4.4 only changed one of the many wrinkles that fold together here. It was never really the case that either one was always complete when present. (It's a big hairy subject.)