From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 8633 invoked by alias); 27 Sep 2012 13:39:40 -0000 Received: (qmail 8623 invoked by uid 22791); 27 Sep 2012 13:39:39 -0000 X-SWARE-Spam-Status: No, hits=-6.9 required=5.0 tests=AWL,BAYES_00,KHOP_RCVD_UNTRUST,RCVD_IN_DNSWL_HI,RCVD_IN_HOSTKARMA_W,RP_MATCHES_RCVD,SPF_HELO_PASS X-Spam-Check-By: sourceware.org Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Thu, 27 Sep 2012 13:39:35 +0000 Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id q8RDdXHp017496 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Thu, 27 Sep 2012 09:39:33 -0400 Received: from barimba (ovpn01.gateway.prod.ext.phx2.redhat.com [10.5.9.1]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id q8RDdWGe001373 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO); Thu, 27 Sep 2012 09:39:32 -0400 From: Tom Tromey To: "Laurent G." Cc: gdb@sourceware.org Subject: Re: Delete a watchpoint by address to automate segfault tracking References: Date: Thu, 27 Sep 2012 13:39:00 -0000 In-Reply-To: (Laurent G.'s message of "Thu, 27 Sep 2012 13:42:37 +0200") Message-ID: <87k3vfwpnv.fsf@fleche.redhat.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Mailing-List: contact gdb-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-owner@sourceware.org X-SW-Source: 2012-09/txt/msg00076.txt.bz2 >>>>> "Laurent" =3D=3D Laurent G writes: Laurent> In the article, the author says "I couldn=E2=80=99t find an easy w= ay to track Laurent> the memory watch number that was created during the first breakpoi= nt, Laurent> I just built a gdb counter, and deleted the memory watch when leav= ing, Laurent> since I could predict gdb=E2=80=99s numbering" and implements watc= hpoints Laurent> destruction this way: I think $bpnum may hold this. See the 'Set Breaks' node of the manual. Or it can perhaps be done from Python. Laurent> How can I do a "delete *`print $d`" in GDB? A few ways. Simplest is to use "eval". Otherwise, Python. Otherwise, if you have an old gdb and can't upgrade, use set logging to write out a file with the command you want (using printf), then 'source' the file. Tom