From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 9619 invoked by alias); 20 Dec 2013 18:16:42 -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 9610 invoked by uid 89); 20 Dec 2013 18:16:41 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-3.3 required=5.0 tests=AWL,BAYES_00,RP_MATCHES_RCVD,SPF_HELO_PASS,SPF_PASS autolearn=ham version=3.3.2 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; Fri, 20 Dec 2013 18:16:40 +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 rBKIGcfX010251 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 20 Dec 2013 13:16:38 -0500 Received: from barimba (ovpn-113-93.phx2.redhat.com [10.3.113.93]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id rBKIGbcD020935 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO); Fri, 20 Dec 2013 13:16:37 -0500 From: Tom Tromey To: Sterling Augustine Cc: gdb-patches , Keith Seitz Subject: Re: [Patch] Use "" instead of NULL when a symbol isn't found References: Date: Fri, 20 Dec 2013 18:16:00 -0000 In-Reply-To: (Sterling Augustine's message of "Tue, 17 Dec 2013 11:21:40 -0800") Message-ID: <87haa3ie0r.fsf@fleche.redhat.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-SW-Source: 2013-12/txt/msg00850.txt.bz2 >>>>> "Sterling" == Sterling Augustine writes: Sterling> Although the case is hard to tickle--I only found it myself with an Sterling> object file with an erroneous line table entry--GDB shouldn't crash, Sterling> and recovery is quite straight-forward. I wonder whether some correction or workaround is required elsewhere. Sterling> The following patch simply assigns the symbol name as "" Sterling> instead of NULL, allowing the debugger to make forward progress in the Sterling> face of an erroneous debug line table entry. You didn't say whether you regression-tested this; but assuming so, it is ok. Tom