From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 3574 invoked by alias); 15 Jan 2008 23:24:08 -0000 Received: (qmail 3560 invoked by uid 22791); 15 Jan 2008 23:24:08 -0000 X-Spam-Check-By: sourceware.org Received: from mail.suse.de (HELO mx1.suse.de) (195.135.220.2) by sourceware.org (qpsmtpd/0.31) with ESMTP; Tue, 15 Jan 2008 23:23:48 +0000 Received: from Relay1.suse.de (mail2.suse.de [195.135.221.8]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.suse.de (Postfix) with ESMTP id B00A92688B; Wed, 16 Jan 2008 00:23:45 +0100 (CET) From: Andreas Schwab To: "Ulrich Weigand" Cc: eliz@gnu.org, brobecker@adacore.com (Joel Brobecker), msnyder@specifix.com, mark.kettenis@xs4all.nl, gdb-patches@sourceware.org Subject: Re: [RFC/RFA?] Should break FILE:LINENO skip prologue? References: <200801152140.m0FLeMha003566@d12av02.megacenter.de.ibm.com> X-Yow: Two LITTLE black dots and one BIG black dot...nice 'n' FLUFFY!! Date: Tue, 15 Jan 2008 23:24:00 -0000 In-Reply-To: <200801152140.m0FLeMha003566@d12av02.megacenter.de.ibm.com> (Ulrich Weigand's message of "Tue\, 15 Jan 2008 22\:40\:22 +0100 \(CET\)") Message-ID: User-Agent: Gnus/5.110006 (No Gnus v0.6) Emacs/22.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit 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: 2008-01/txt/msg00373.txt.bz2 "Ulrich Weigand" writes: > The set of valid expressions varies with the language, but none of > them support any string of the form FILENAME:FUNCTION as expression. > However, for *some* languages (e.g. C, but not Ada), a function name > happens to be a valid expression that evaluates to the address of > that function. It is only due to that "accident" that > break *FUNCTION > does indeed set a breakpoint at the address of FUNCTION (assuming > the current language is C). Note that the value of FUNCTION is even target dependent. On ppc64 ordinary function symbols point to function descriptors, whereas code addresses have symbols that start with a '.'. Andreas. -- Andreas Schwab, SuSE Labs, schwab@suse.de SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different."