From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 83146 invoked by alias); 16 Mar 2015 12:35:10 -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 83081 invoked by uid 89); 16 Mar 2015 12:35:09 -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,SPF_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; Mon, 16 Mar 2015 12:35:08 +0000 Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id t2GCZ6iJ018728 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 16 Mar 2015 08:35:06 -0400 Received: from [127.0.0.1] (ovpn01.gateway.prod.ext.ams2.redhat.com [10.39.146.11]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id t2GCZ42B002486; Mon, 16 Mar 2015 08:35:05 -0400 Message-ID: <5506CDF8.5060100@redhat.com> Date: Mon, 16 Mar 2015 12:35:00 -0000 From: Pedro Alves User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.5.0 MIME-Version: 1.0 To: Yao Qi , gdb-patches@sourceware.org Subject: Re: [PATCH 2/2] watchpoint-reuse-slot.exp: skip when requesting two breakpoints in one slot on aarch64 References: <1426257692-30461-1-git-send-email-qiyaoltc@gmail.com> <1426257692-30461-2-git-send-email-qiyaoltc@gmail.com> In-Reply-To: <1426257692-30461-2-git-send-email-qiyaoltc@gmail.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-SW-Source: 2015-03/txt/msg00451.txt.bz2 On 03/13/2015 02:41 PM, Yao Qi wrote: > From: Yao Qi > > watchpoint-reuse-slot.exp sets two hardware breakpoints in contiguous > address to reuse one debug register. However, requested address for > breakpoint should be 4-byte aligned on aarch64, so it is impossible > to request two hardware breakpoints and use one debug register. This > patch is to skip the test in the case on aarch64-linux. Since arm > has Thumb mode, in which instruction address can be 2-byte aligned, > more thoughts are needed for arm in my next step. So I take it that GDB complains when the user tries this, and thus the test is failing on aarch64? What does the log show? Thanks, Pedro Alves