From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 16267 invoked by alias); 15 Feb 2013 13:34:40 -0000 Received: (qmail 16163 invoked by uid 22791); 15 Feb 2013 13:34:39 -0000 X-SWARE-Spam-Status: Yes, hits=5.7 required=5.0 tests=BAYES_50,BOTNET,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MIME_BASE64_BLANKS,RCVD_VIA_APNIC,RP_MATCHES_RCVD X-Spam-Check-By: sourceware.org Received: from m50-132.163.com (HELO m50-132.163.com) (123.125.50.132) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Fri, 15 Feb 2013 13:34:31 +0000 Received: from [192.168.1.100] (unknown [112.2.224.53]) by smtp2 (Coremail) with SMTP id DNGowEB5H3dfOR5RTUpTBg--.20720S2; Fri, 15 Feb 2013 21:34:25 +0800 (CST) Date: Fri, 15 Feb 2013 13:34:00 -0000 Subject: How to monitor register Message-ID: From: Guoqiuping To: gdb@sourceware.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: base64 X-CM-TRANSID:DNGowEB5H3dfOR5RTUpTBg--.20720S2 X-Coremail-Antispam: 1Uf129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7v73 VFW2AGmfu7bjvjm3AaLaJ3UbIYCTnIWIevJa73UjIFyTuYvjxUI1xRUUUUU X-CM-SenderInfo: 5jxr1xxxsl0wiyrriji6rwjhhfrp/1tbiMhrEFFD-hnkt9gAAsz X-IsSubscribed: yes 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: 2013-02/txt/msg00057.txt.bz2 SGk6IAppIGhhdmUgYSBxdWVzdGlvbiBhYm91dCBnZGIgdXNhZ2UuIAppIGtu b3cgdGhhdCB0aGUgd2F0Y2ggY29tbWFuZCB0aGF0IGNhbiBzZXQgd2F0Y2hw b2ludCBmb3IgZXhwcmVzc2lvbnMuCgogaSB3YW50IHRvIGtub3cgaG93IHRv IHdhdGNoIHRoZQogY2hhbmdlIG9mIHNvbWUgcmVnaXN0ZXIgKGZvciBleGFt cGxlIGVicCkgLHRoYXQgdG8gc2F5IGkgd2FudCB0byBtb25pdG9yIHRoZSBj aGFuZ2Ugb2YgZWJwLCBidXQgaSBoYXZlIG5vIGlkZWEsIHBsZWFzZSBoZWxw IG1lLiAgdGhhbmtzIGEgbG90IApSZWdhcmRzIQ== >From gdb-return-41838-listarch-gdb=sources.redhat.com@sourceware.org Fri Feb 15 13:54:06 2013 Return-Path: Delivered-To: listarch-gdb@sources.redhat.com Received: (qmail 24623 invoked by alias); 15 Feb 2013 13:54:03 -0000 Received: (qmail 24612 invoked by uid 22791); 15 Feb 2013 13:54:01 -0000 X-SWARE-Spam-Status: No, hits=-3.6 required=5.0 tests=AWL,BAYES_40,KHOP_THREADED,RCVD_IN_DNSWL_NONE,RCVD_IN_HOSTKARMA_NO,RCVD_IN_HOSTKARMA_YE,SPF_SOFTFAIL,TW_OQ X-Spam-Check-By: sourceware.org Received: from mtaout20.012.net.il (HELO mtaout20.012.net.il) (80.179.55.166) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Fri, 15 Feb 2013 13:53:56 +0000 Received: from conversion-daemon.a-mtaout20.012.net.il by a-mtaout20.012.net.il (HyperSendmail v2007.08) id <0MI900B00KYCYE00@a-mtaout20.012.net.il> for gdb@sourceware.org; Fri, 15 Feb 2013 15:53:54 +0200 (IST) Received: from HOME-C4E4A596F7 ([87.69.4.28]) by a-mtaout20.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0MI900B7QL9US470@a-mtaout20.012.net.il>; Fri, 15 Feb 2013 15:53:54 +0200 (IST) Date: Fri, 15 Feb 2013 13:54:00 -0000 From: Eli Zaretskii Subject: Re: How to monitor register In-reply-to: To: Guoqiuping Cc: gdb@sourceware.org Reply-to: Eli Zaretskii Message-id: <83boblu1h6.fsf@gnu.org> References: X-IsSubscribed: yes 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 Delivered-To: mailing list gdb@sourceware.org X-SW-Source: 2013-02/txt/msg00058.txt.bz2 Content-length: 551 > Date: Fri, 15 Feb 2013 21:33:00 +0800 > From: Guoqiuping > > i have a question about gdb usage. > i know that the watch command that can set watchpoint for expressions. > > i want to know how to watch the > change of some register (for example ebp) ,that to say i want to monitor the change of ebp, but i have no idea, please help me. thanks a lot Like this: (gdb) watch $ebp Note, however, that the 'watch' command that watches a register will cause the program be single-stepped, so it will run very slowly.