From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 4740 invoked by alias); 26 Jun 2008 18:54:42 -0000 Received: (qmail 4729 invoked by uid 22791); 26 Jun 2008 18:54:42 -0000 X-Spam-Check-By: sourceware.org Received: from mtaout6.012.net.il (HELO mtaout6.012.net.il) (84.95.2.16) by sourceware.org (qpsmtpd/0.31) with ESMTP; Thu, 26 Jun 2008 18:54:22 +0000 Received: from HOME-C4E4A596F7 ([80.230.31.196]) by i-mtaout6.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0K33003LT3T8ZIE0@i-mtaout6.012.net.il> for gdb-patches@sourceware.org; Thu, 26 Jun 2008 22:07:56 +0300 (IDT) Date: Thu, 26 Jun 2008 19:40:00 -0000 From: Eli Zaretskii Subject: Re: [patch] Warn on constant value watchpoints In-reply-to: <20080626142731.GK22726@caradoc.them.org> X-012-Sender: halo1@inter.net.il To: Daniel Jacobowitz Cc: jan.kratochvil@redhat.com, gdb-patches@sourceware.org Reply-to: Eli Zaretskii Message-id: References: <20080608155302.GA25486@host0.dyn.jankratochvil.net> <20080608180909.GA6199@caradoc.them.org> <20080608192755.GA16172@host0.dyn.jankratochvil.net> <20080609061414.GA19316@host0.dyn.jankratochvil.net> <20080626142731.GK22726@caradoc.them.org> 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: 2008-06/txt/msg00484.txt.bz2 > Date: Thu, 26 Jun 2008 10:27:31 -0400 > From: Daniel Jacobowitz > Cc: gdb-patches@sourceware.org > > > +If you watch for a change in a numerically entered address you need to > > +dereference it as the address itself is just a constant number which will never > > +change. @value{GDBN} refuses to create a never invokable watchpoint: > > never-changing? "a watchpoint that watches a never-changing value"