From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 406 invoked by alias); 4 Aug 2012 12:30:50 -0000 Received: (qmail 392 invoked by uid 22791); 4 Aug 2012 12:30:49 -0000 X-SWARE-Spam-Status: No, hits=-6.3 required=5.0 tests=AWL,BAYES_00,KHOP_RCVD_UNTRUST,RCVD_IN_DNSWL_HI,RCVD_IN_HOSTKARMA_W,SPF_HELO_PASS,T_RP_MATCHES_RCVD X-Spam-Check-By: sourceware.org Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Sat, 04 Aug 2012 12:30:30 +0000 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id q74CU98M012791 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Sat, 4 Aug 2012 08:30:10 -0400 Received: from host2.jankratochvil.net (ovpn-116-17.ams2.redhat.com [10.36.116.17]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id q74CU6ZD013553 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO); Sat, 4 Aug 2012 08:30:09 -0400 Date: Sat, 04 Aug 2012 12:30:00 -0000 From: Jan Kratochvil To: Joel Brobecker Cc: gdb-patches@sourceware.org Subject: Re: [RFA] DWARF frame unwinder executes one too many rows Message-ID: <20120804123005.GA30962@host2.jankratochvil.net> References: <1343343082-15401-1-git-send-email-brobecker@adacore.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1343343082-15401-1-git-send-email-brobecker@adacore.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-IsSubscribed: yes 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: 2012-08/txt/msg00137.txt.bz2 Hi Joel, On Fri, 27 Jul 2012 00:51:22 +0200, Joel Brobecker wrote: > The problem is trying to unwind from a function where %ebp is NOT > used as the frame pointer, and the size of the frame changes over > the lifetime of that function. according to Tom's reply it is a regression by: commit 8d35b3995d73e87826263f02da0fd05190d34638 Author: Tom Tromey Date: Thu Feb 17 16:20:37 2011 +0000 but the Ada testcase does not work for me (it always PASSes for i386 and it always FAILs for x86_64). Do you have some precompiled binaries so that I can look at them. I will then code a gdb.dwarf2/ testcase as the gdb.ada/ testcases are IMO dependent on too many factors and in Fedora environment they are not reliable. Thanks, Jan