From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 3547 invoked by alias); 12 Dec 2014 12:14:05 -0000 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 Received: (qmail 3535 invoked by uid 89); 12 Dec 2014 12:14:04 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.0 required=5.0 tests=AWL,BAYES_00,SPF_HELO_PASS,T_RP_MATCHES_RCVD autolearn=ham version=3.3.2 X-HELO: mx1.redhat.com Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES256-GCM-SHA384 encrypted) ESMTPS; Fri, 12 Dec 2014 12:14:03 +0000 Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id sBCCE0Ur010966 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 12 Dec 2014 07:14:00 -0500 Received: from [127.0.0.1] (ovpn01.gateway.prod.ext.ams2.redhat.com [10.39.146.11]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id sBCCDw6c028622; Fri, 12 Dec 2014 07:13:59 -0500 Message-ID: <548ADC06.1020901@redhat.com> Date: Fri, 12 Dec 2014 12:14:00 -0000 From: Pedro Alves User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.2.0 MIME-Version: 1.0 To: Andreas Arnez , gdb-patches@sourceware.org Subject: Re: [PATCH v4 2/4] gdbserver: Prevent stale/random values in register cache References: <1418379431-14407-1-git-send-email-arnez@linux.vnet.ibm.com> <1418379431-14407-3-git-send-email-arnez@linux.vnet.ibm.com> In-Reply-To: <1418379431-14407-3-git-send-email-arnez@linux.vnet.ibm.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-SW-Source: 2014-12/txt/msg00274.txt.bz2 On 12/12/2014 10:16 AM, Andreas Arnez wrote: > When fetch_inferior_registers does not update all registers, this > patch assures that no stale register values remain in the register > cache. On Linux platforms using the regsets interface, when one of > the ptrace calls used for fetching the register values returns an > error, this patch also avoids copying the random data returned from > ptrace into the register cache. All unfetched registers are marked > "unavailable" instead. Looks good to me. Thanks, Pedro Alves