From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 99896 invoked by alias); 26 Jan 2017 14:35:33 -0000 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 Received: (qmail 99860 invoked by uid 89); 26 Jan 2017 14:35:31 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-5.1 required=5.0 tests=BAYES_00,RP_MATCHES_RCVD,SPF_HELO_PASS autolearn=ham version=3.3.2 spammy=Hx-languages-length:1107, H*i:sk:wwok8tp, H*f:sk:wwok8tp, H*MI:sk:wwok8tp X-HELO: mx1.redhat.com Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Thu, 26 Jan 2017 14:35:30 +0000 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 2D4F07F342; Thu, 26 Jan 2017 14:35:30 +0000 (UTC) Received: from [127.0.0.1] (ovpn04.gateway.prod.ext.phx2.redhat.com [10.5.9.4]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id v0QEZPn7019751; Thu, 26 Jan 2017 09:35:29 -0500 Subject: Re: [PATCH] Fix crash when loading a core with unexpected register section size To: Antoine Tremblay References: <1485436646-12223-1-git-send-email-antoine.tremblay@ericsson.com> <3c0fb039-513d-9c8a-5851-e13a32d3d3ea@redhat.com> <3ac9874b-d4c9-8cb2-c4ab-81d20d41689d@redhat.com> Cc: gdb-patches@sourceware.org From: Pedro Alves Message-ID: <6c8d340f-156d-f619-bf81-1c1780759a17@redhat.com> Date: Thu, 26 Jan 2017 14:35:00 -0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.4.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-SW-Source: 2017-01/txt/msg00574.txt.bz2 On 01/26/2017 02:31 PM, Antoine Tremblay wrote: > > Pedro Alves writes: > >> On 01/26/2017 01:54 PM, Antoine Tremblay wrote: >>> >>> Pedro Alves writes: >>> >>>> On 01/26/2017 01:17 PM, Antoine Tremblay wrote: >>>>> When loading a core without an executable like so: >>>>> gdb --core core for example often the gdbarch won't contain the >>>>> iterate_over_regset_sections method. >>>> >>>> Can you give an example? That'd help a lot understand the issue >>>> better. >>>> >>> >>> I can't share the core that I have that reproduced this :( >> >> I meant an example gdbarch. It sounded like this would >> happen with any core with that architecture? > > Ho yes, see v2, I added "For example arch-arm." Like you suggested. Eh, "arch-" in "arch-foo" was just meant to show I was talking about an arch. I didn't mean for you to keep the "arch-" part. :-) So basically, we could have a testcase that dumps a file, and then loads with back with no executable loaded? Do we really not have such a testcase yet? Thanks, Pedro Alves