From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 18969 invoked by alias); 20 Oct 2011 15:02:24 -0000 Received: (qmail 18952 invoked by uid 22791); 20 Oct 2011 15:02:22 -0000 X-SWARE-Spam-Status: No, hits=-7.2 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_HI,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, 20 Oct 2011 15:02:05 +0000 Received: from int-mx12.intmail.prod.int.phx2.redhat.com (int-mx12.intmail.prod.int.phx2.redhat.com [10.5.11.25]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id p9KF25d5008740 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Thu, 20 Oct 2011 11:02:05 -0400 Received: from ns3.rdu.redhat.com (ns3.rdu.redhat.com [10.11.255.199]) by int-mx12.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id p9KF24NW002252; Thu, 20 Oct 2011 11:02:04 -0400 Received: from barimba (ovpn01.gateway.prod.ext.phx2.redhat.com [10.5.9.1]) by ns3.rdu.redhat.com (8.13.8/8.13.8) with ESMTP id p9KF23uj027175; Thu, 20 Oct 2011 11:02:03 -0400 From: Tom Tromey To: Kevin Pouget Cc: gdb-patches@sourceware.org Subject: Re: Dejagnu testing issue References: Date: Thu, 20 Oct 2011 15:04:00 -0000 In-Reply-To: (Kevin Pouget's message of "Thu, 20 Oct 2011 16:47:10 +0200") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.90 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain 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: 2011-10/txt/msg00562.txt.bz2 >>>>> "Kevin" == Kevin Pouget writes: Kevin> how can I read a value from what GDB writes, and use it later to Kevin> validate some tests. Kevin> For instance, the pid: Kevin> I know it's it "info inferiors" --> ".*process HERE .*", I would like Kevin> to save it, and then do something like "detach", "attach $PID" Kevin> (don't get me wrong, I know there are some alternatives to get the Kevin> PID, but I really want to read it from a GDB command) You can do it, with some difficulty, using gdb_test_multiple and examining expect_out in your match. This is done in some places in the code. Kevin> By the way, is it a normal that I can't set a thread breakpoint this way: >> break thread $_thread >> Junk after thread keyword. Kevin> (that would have bypassed the problem described above !) Yes, the 'thread' modifier just takes an integer. You can use eval though: eval "break ... thread %d", $_thread Tom