From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 127498 invoked by alias); 1 Sep 2016 15:21:51 -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 127487 invoked by uid 89); 1 Sep 2016 15:21:50 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_PASS autolearn=ham version=3.3.2 spammy=ton X-HELO: usplmg20.ericsson.net Received: from usplmg20.ericsson.net (HELO usplmg20.ericsson.net) (198.24.6.45) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Thu, 01 Sep 2016 15:21:49 +0000 Received: from EUSAAHC003.ericsson.se (Unknown_Domain [147.117.188.81]) by (Symantec Mail Security) with SMTP id 26.49.02488.40948C75; Thu, 1 Sep 2016 17:28:04 +0200 (CEST) Received: from elxa4wqvvz1 (147.117.188.8) by smtps-am.internal.ericsson.com (147.117.188.81) with Microsoft SMTP Server (TLS) id 14.3.301.0; Thu, 1 Sep 2016 11:21:47 -0400 References: <20160831171406.24057-1-antoine.tremblay@ericsson.com> <20160831171406.24057-2-antoine.tremblay@ericsson.com> <3fdb7193-60c7-49c9-ccf5-bc040aa157ea@redhat.com> User-agent: mu4e 0.9.17; emacs 24.5.50.1 From: Antoine Tremblay To: Pedro Alves , Yao Qi CC: Antoine Tremblay , Subject: Re: [PATCH 2/2] Enable range stepping for ARM on GDBServer In-Reply-To: Date: Thu, 01 Sep 2016 15:21:00 -0000 Message-ID: MIME-Version: 1.0 Content-Type: text/plain X-IsSubscribed: yes X-SW-Source: 2016-09/txt/msg00019.txt.bz2 Pedro Alves writes: > On 08/31/2016 08:14 PM, Antoine Tremblay wrote: > >> I'm sorry I can't be more helpful at the moment but I wanted to post >> this issue before I have to leave for a while. > > Understood. Does enabling range stepping unblock something else? It would unblock ARM tracepoints, as per Yao's requirements... > >> However I wonder if range stepping or ARM depends on this of if we >> should treat it as two different issues ? > > Offhand, the knee-jerk reaction is that if enabling range stepping > causes a regression, then it sounds like range stepping has a > problem that should be fixed and it may be premature to enable it. > > I see a parallel here with all the all-stop-on-top-of-non-stop > work, which exposed a ton of such latent problems that were treated > as dependencies that needed to be addressed first. That's what > resulted in the creation of this test (see 'git log ede9f622af1f'). > > as-ns is enabled by default on native, but not on remote. It sounds > like testing with as-ns enabled on remote could reveal the same > range stepping problems, but all over the testsuite instead. :-/ > I see, in that sense we could consider it unsupported for now in remote and fix it along the rest of the issues as non-stop gains support ? Yao any comments on this? Thanks, Antoine