From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 47057 invoked by alias); 15 Jun 2015 12:51:19 -0000 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 Received: (qmail 47048 invoked by uid 89); 15 Jun 2015 12:51:18 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.8 required=5.0 tests=AWL,BAYES_00,FREEMAIL_FROM,RCVD_IN_DNSWL_LOW,SPF_PASS autolearn=ham version=3.3.2 X-HELO: mail-pa0-f45.google.com Received: from mail-pa0-f45.google.com (HELO mail-pa0-f45.google.com) (209.85.220.45) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES128-GCM-SHA256 encrypted) ESMTPS; Mon, 15 Jun 2015 12:51:16 +0000 Received: by pabqy3 with SMTP id qy3so65036390pab.3 for ; Mon, 15 Jun 2015 05:51:15 -0700 (PDT) X-Received: by 10.68.131.65 with SMTP id ok1mr49060372pbb.16.1434372674948; Mon, 15 Jun 2015 05:51:14 -0700 (PDT) Received: from E107787-LIN (gcc1-power7.osuosl.org. [140.211.15.137]) by mx.google.com with ESMTPSA id b10sm12186578pdo.84.2015.06.15.05.51.12 (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Mon, 15 Jun 2015 05:51:14 -0700 (PDT) From: Yao Qi To: Prafull Suryawanshi Cc: pinskia@gmail.com, Andreas Schwab , "gdb\@sourceware.org" Subject: Re: Is there single step debugging support being added to aarch64-linux? References: Date: Mon, 15 Jun 2015 12:51:00 -0000 In-Reply-To: (Prafull Suryawanshi's message of "Mon, 15 Jun 2015 17:18:01 +0530") Message-ID: <86si9trv7l.fsf@gmail.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-IsSubscribed: yes X-SW-Source: 2015-06/txt/msg00023.txt.bz2 Prafull Suryawanshi writes: > I am not sure why hw stepper not works here (might be limitation of hw > I am using). You'd better to check whether hw single step doesn't work in your case. > That is may be the infrun loops as it never gets stop signal. (the > output I earlier pasted). > Is it ok to provide patch for software single step like arm here? We only implement software single step on the targets don't have hardware single step capability, like arm. > (I am preparing one. It will have simulate aarch64 instruction set and > implement aarch64 version of functions of > arm_linux_software_single_step, arm_insert_single_step_breakpoint and > arm_get_next_pc.) Before you start it, better to get the reason why hw single step doesn't work on aarch64. --=20 Yao (=E9=BD=90=E5=B0=A7)