From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 56902 invoked by alias); 22 Oct 2017 21:15:26 -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 56775 invoked by uid 89); 22 Oct 2017 21:15:17 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.1 required=5.0 tests=AWL,BAYES_00,FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,SPF_PASS autolearn=ham version=3.3.2 spammy= X-HELO: mail-qk0-f175.google.com Received: from mail-qk0-f175.google.com (HELO mail-qk0-f175.google.com) (209.85.220.175) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Sun, 22 Oct 2017 21:15:15 +0000 Received: by mail-qk0-f175.google.com with SMTP id w134so19821761qkb.0 for ; Sun, 22 Oct 2017 14:15:12 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=tXTbuswxpl32lCUiy+wAcBZ2gjYAGYl+5uR6ElLwjFY=; b=gOi8zi1/J4dGoXVw6iHAQm4OZSAsc0B20xr2d00u794oL2v+VaOpVdFmHX7FyrUUc1 fM1Hxb0+GcJ/pBSpzSxTKsv7SZCzyumvQCE+tmHA9pmqsl2M/GsjqHNMlccSHSIMIP0G 6SVTkXGjQBlASJTiSQeQxRuTw5O4vSHNwCjs6p2brCrVFUG2vqdDnzkMYe3uO0mhUWHZ 6TQp7nRGUpjjmmeG9RgrPuc4UsE6MqI98w9jIs18mQl4RZpAeiy7s/OlqzXwlBBso6/r CK4lASZISlYtNUm52N7WWTgrdatjorRUZWE5fLXvOGh5TnLm4fgJFYuUq3fGcXlp1kYc bOSg== X-Gm-Message-State: AMCzsaW1j3WiEKE5WzWicaoqVzM/spWUy1FHV7q6seuWjuFHqSbpkoIT GW61AYrS+Y81Ii7HNB+lqbHZ7AJ/Wf5c9m9bRgsBng== X-Google-Smtp-Source: ABhQp+Q6JukQ5pA+FfrYp69M/dnd3oLQlivKCqOlLYcayk4Jk3HsVzLei9RQBbWKEy75mYIx3RVSL2c6+zRFpgB6Bug= X-Received: by 10.55.183.134 with SMTP id h128mr15534673qkf.96.1508706911137; Sun, 22 Oct 2017 14:15:11 -0700 (PDT) MIME-Version: 1.0 Received: by 10.12.153.208 with HTTP; Sun, 22 Oct 2017 14:15:10 -0700 (PDT) In-Reply-To: <300a7ff5-11c4-ef89-907a-c82c08973f29@oracle.com> References: <1507328314-114545-1-git-send-email-weimin.pan@oracle.com> <300a7ff5-11c4-ef89-907a-c82c08973f29@oracle.com> From: Yao Qi Date: Sun, 22 Oct 2017 21:15:00 -0000 Message-ID: Subject: Re: [PING][PATCH PR gdb/21870] aarch64: Leftover uncleared debug registers To: Wei-min Pan Cc: "gdb-patches@sourceware.org" Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-IsSubscribed: yes X-SW-Source: 2017-10/txt/msg00706.txt.bz2 On Sat, Oct 21, 2017 at 1:58 AM, Wei-min Pan wrote: Hi Wei-min, As I asked in comment 3 in PR 21870, could you help me to understand the bug? I don't see how does GDB touches hw debug registers, in this case. I have no idea that why DR_CONTROL_LENGTH (dreg_state.dbg_regs[0].ctrl) is changed to non-zero. --=20 Yao (=E9=BD=90=E5=B0=A7)