From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 18358 invoked by alias); 13 Sep 2013 08:17:37 -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 18341 invoked by uid 89); 13 Sep 2013 08:17:36 -0000 Received: from relay1.mentorg.com (HELO relay1.mentorg.com) (192.94.38.131) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Fri, 13 Sep 2013 08:17:36 +0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=0.7 required=5.0 tests=AWL,BAYES_00,GARBLED_BODY,KHOP_THREADED,RDNS_NONE,SPF_HELO_FAIL autolearn=no version=3.3.2 X-HELO: relay1.mentorg.com Received: from svr-orw-exc-10.mgc.mentorg.com ([147.34.98.58]) by relay1.mentorg.com with esmtp id 1VKOZG-0000zg-SO from Yao_Qi@mentor.com ; Fri, 13 Sep 2013 01:17:30 -0700 Received: from SVR-ORW-FEM-05.mgc.mentorg.com ([147.34.97.43]) by SVR-ORW-EXC-10.mgc.mentorg.com with Microsoft SMTPSVC(6.0.3790.4675); Fri, 13 Sep 2013 01:17:31 -0700 Received: from qiyao.dyndns.org (147.34.91.1) by svr-orw-fem-05.mgc.mentorg.com (147.34.97.43) with Microsoft SMTP Server id 14.2.247.3; Fri, 13 Sep 2013 01:17:29 -0700 Message-ID: <5232C9EC.2040707@codesourcery.com> Date: Fri, 13 Sep 2013 08:17:00 -0000 From: Yao Qi User-Agent: Mozilla/5.0 (X11; Linux i686; rv:17.0) Gecko/20130110 Thunderbird/17.0.2 MIME-Version: 1.0 To: Mark Kettenis CC: Subject: Re: [PATCH 0/7 V2] Trust readonly sections if target has memory protection References: <1378432920-7731-1-git-send-email-yao@codesourcery.com> <1378641807-24256-1-git-send-email-yao@codesourcery.com> <201309091916.r89JGbpf009986@glazunov.sibelius.xs4all.nl> <522E9A8A.7040509@codesourcery.com> <52317B66.3020602@codesourcery.com> <201309120949.r8C9nFsJ016506@glazunov.sibelius.xs4all.nl> In-Reply-To: <201309120949.r8C9nFsJ016506@glazunov.sibelius.xs4all.nl> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit X-IsSubscribed: yes X-SW-Source: 2013-09/txt/msg00396.txt.bz2 On 09/12/2013 05:49 PM, Mark Kettenis wrote: > I'm certainly not outright rejecting it. But you'll certainly need to > rethink in which contexts it is safe/acceptable that "auto" actually > turns on the trust-readonly-sections feature. That decision should > probably be done on a per-architecture, per-OS basis, and only for > remote debugging. Yeah, that is reasonable to me. Then, the proposed scope could be {x86, x86_64}-{linux,mingw,cygwin} for remote debugging only. What do you think? I am fine to extend this scope to all linux targets, as what I did in my patches, but looks it is safe to keep this set small at the beginning. -- Yao (齐尧)