From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 21272 invoked by alias); 14 Dec 2002 14:09:50 -0000 Mailing-List: contact gdb-help@sources.redhat.com; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-owner@sources.redhat.com Received: (qmail 21265 invoked from network); 14 Dec 2002 14:09:49 -0000 Received: from unknown (HELO kerberos.suse.cz) (195.47.106.10) by sources.redhat.com with SMTP; 14 Dec 2002 14:09:49 -0000 Received: from chimera.suse.cz (chimera.suse.cz [10.20.0.2]) by kerberos.suse.cz (SuSE SMTP server) with ESMTP id 865BE59D34D; Sat, 14 Dec 2002 15:09:48 +0100 (CET) Received: from suse.cz (naga.suse.cz [10.20.1.16]) by chimera.suse.cz (8.11.0/8.11.0/SuSE Linux 8.11.0-0.4) with ESMTP id gBEE9mX09928; Sat, 14 Dec 2002 15:09:48 +0100 X-Authentication-Warning: chimera.suse.cz: Host naga.suse.cz [10.20.1.16] claimed to be suse.cz Message-ID: <3DFB3BAB.8040908@suse.cz> Date: Sat, 14 Dec 2002 06:09:00 -0000 From: Michal Ludvig Organization: SuSE CR User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.2.1) Gecko/20021130 X-Accept-Language: cs, cz, en MIME-Version: 1.0 To: Terje Eggestad Cc: gdb@sources.redhat.com Subject: Re: Strange segfaults of gdb References: <1039739774.8645.18.camel@eggis1> <3DFA1FE8.3090104@suse.cz> <1039817373.10496.19.camel@eggis1> In-Reply-To: <1039817373.10496.19.camel@eggis1> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-SW-Source: 2002-12/txt/msg00207.txt.bz2 Terje Eggestad wrote: > One other detail, when you get a seg fault, or just simply break on a > symbol in libc, like strlen(), (first noticed it b/c a seg fault in > strlen) neither bt or where give the stack trace... That's a bug, right? Well, it depends on the point of view :-) These functions don't have a debug info, because they are pure assembler functions not written in C (applies to memcpy, str*, and some others, as well as for syscall wrappers). Without a valid Dwarf2 information GDB can't do a backtrace. However I don't treat this as a GDB bug, but anyway I'm implementing a workaround for this, because I know it's annoying :-) Michal Ludvig -- * SuSE CR, s.r.o * mludvig@suse.cz * (+420) 296.545.373 * http://www.suse.cz