From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 30966 invoked by alias); 17 Jun 2014 13:49:17 -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 30954 invoked by uid 89); 17 Jun 2014 13:49:17 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.4 required=5.0 tests=AWL,BAYES_00,RP_MATCHES_RCVD,SPF_HELO_PASS,SPF_PASS 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 ESMTP; Tue, 17 Jun 2014 13:49:15 +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 s5HDnAM1010373 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 17 Jun 2014 09:49:11 -0400 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 s5HDn8CY002430; Tue, 17 Jun 2014 09:49:08 -0400 Message-ID: <53A04753.5010102@redhat.com> Date: Tue, 17 Jun 2014 13:49:00 -0000 From: Pedro Alves User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: Ajit Kumar Agarwal , "gdb-patches@sourceware.org" CC: Michael Eager , Vinod Kathail , Vidhumouli Hunsigida , Nagaraju Mekala Subject: Re: [Patch, microblaze]: Communicate in larger blocks with the target. References: <41df2189-0a72-4543-ba31-297f81e663d7@BN1AFFO11FD025.protection.gbl> In-Reply-To: <41df2189-0a72-4543-ba31-297f81e663d7@BN1AFFO11FD025.protection.gbl> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-SW-Source: 2014-06/txt/msg00581.txt.bz2 On 06/17/2014 10:03 AM, Ajit Kumar Agarwal wrote: > Please find the following patch. > > [Patch, microblaze]: Communicate in larger blocks with the target. > > Communicate in larger blocks with the target. The chunk of memory > will be read from the target and then used in microblaze_analyze_prologue. > The above process minimizes the transaction with the Debug Agent. We have core infrustructure for this now, in the form of a code cache that reads ahead. Could you try using it? All you have to do is replace target_read_memory calls that are actually reading code, with target_read_code calls. See i386-tdep.c for example. -- Pedro Alves