From owner-freebsd-questions@FreeBSD.ORG Wed Mar 26 14:06:47 2003 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9DC8537B404 for ; Wed, 26 Mar 2003 14:06:47 -0800 (PST) Received: from smtp.acd.net (smtp.acd.net [207.179.102.146]) by mx1.FreeBSD.org (Postfix) with ESMTP id 90B2B43FA3 for ; Wed, 26 Mar 2003 14:06:46 -0800 (PST) (envelope-from taxman@ACD.NET) Received: from 207.179.66.50 ([207.179.66.50]) by smtp.acd.net with Microsoft SMTPSVC(5.0.2195.5329); Wed, 26 Mar 2003 17:06:27 -0500 From: taxman To: Dan Nelson , FreeBSD Questions Date: Wed, 26 Mar 2003 17:10:11 -0500 User-Agent: KMail/1.5 References: <20030326200449.GB967@bsdsi.homeunix.com> <20030326201149.GE31787@dan.emsphone.com> In-Reply-To: <20030326201149.GE31787@dan.emsphone.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200303261710.11281.taxman@acd.net> X-OriginalArrivalTime: 26 Mar 2003 22:06:27.0579 (UTC) FILETIME=[F2C30CB0:01C2F3E3] X-Spam-Status: No, hits=-26.1 required=5.0 tests=AWL,EMAIL_ATTRIBUTION,IN_REP_TO,QUOTED_EMAIL_TEXT, REFERENCES,REPLY_WITH_QUOTES,USER_AGENT autolearn=ham version=2.50 X-Spam-Level: X-Spam-Checker-Version: SpamAssassin 2.50 (1.173-2003-02-20-exp) Subject: Re: How to produce debugging symbols? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 26 Mar 2003 22:06:48 -0000 On Wednesday 26 March 2003 03:11 pm, Dan Nelson wrote: > In the last episode (Mar 26), Martin Moeller said: > > I have a rather general question on debugging. I'm experiencing some > > problems with some programs on FreeBSD 5.0. Because I'm quite a unix > > newbie, I can only write to some mailinglists to ask if somebody > > knows what to do. > > > > But I would like to take a few steps to solve my problems on my own. > > I read something about gdb and kernel debugging, but find that > > somehow disturbing. So I would like to ask a very *stupid* newbie > > question: > > > > I can run a program within gdb, but I don't see the program's source > > code. I assume this is meant with debug symbols? How can I compile a > > program with those debug symbols? > > If it's your program, recompile and link with the -g commandline switch > added. If it's a base FreeBSD program (or port), edit the Makefile and > add a line reading "DEBUG_FLAGS=-g" (this will compile with -g and also > no strip the debugging symbols when the binary gets installed). Does this work for the kernel? I'd read that the kernel strips symbols anyway. If i put makeoptions DEBUG=-g in my kernel config (as shown in LINT) will I still get the symbols? Thats for 4.x, what about 5.0 is that different? Thanks, Tim