From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 6209 invoked by alias); 27 Jul 2011 17:41:53 -0000 Received: (qmail 6135 invoked by uid 22791); 27 Jul 2011 17:41:51 -0000 X-SWARE-Spam-Status: No, hits=-7.5 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_HI,RP_MATCHES_RCVD,SPF_HELO_PASS X-Spam-Check-By: sourceware.org Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Wed, 27 Jul 2011 17:41:38 +0000 Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id p6RHfRQI025510 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Wed, 27 Jul 2011 13:41:27 -0400 Received: from ns3.rdu.redhat.com (ns3.rdu.redhat.com [10.11.255.199]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id p6RHfQSi018505; Wed, 27 Jul 2011 13:41:26 -0400 Received: from barimba (ovpn01.gateway.prod.ext.phx2.redhat.com [10.5.9.1]) by ns3.rdu.redhat.com (8.13.8/8.13.8) with ESMTP id p6RHfOao018380; Wed, 27 Jul 2011 13:41:25 -0400 From: Tom Tromey To: Pedro Alves Cc: gdb-patches@sourceware.org, Daniel Jacobowitz , hjl@gnu.org Subject: Re: RFC: partially available registers References: <201107222010.23822.pedro@codesourcery.com> <201107261631.18672.pedro@codesourcery.com> Date: Wed, 27 Jul 2011 18:25:00 -0000 In-Reply-To: <201107261631.18672.pedro@codesourcery.com> (Pedro Alves's message of "Tue, 26 Jul 2011 16:31:18 +0100") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain 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 X-SW-Source: 2011-07/txt/msg00775.txt.bz2 >>>>> "Pedro" == Pedro Alves writes: Pedro> means the object exists, and its value exists, Pedro> but we have no means to fetch it. [...] After re-reading this reply a couple of times and thinking about the issue, I think you are right, and we should supply 0 instead of here. Tom> If you agree with what I have checked in, I will update gdbserver. Pedro> I think your patch implements the right interface for partial Pedro> registers support. I like it... Great. Pedro> ... but I think that we should go with 0, instead of , Pedro> meaning changing x87-tdep.c:i387_supply_xsave to supply Pedro> explicity zeroed buffer, instead of a NULL pointer, like Pedro> gdbserver does. I will do this. Tom