From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 28271 invoked by alias); 5 Jan 2009 03:44:32 -0000 Received: (qmail 28254 invoked by uid 22791); 5 Jan 2009 03:44:31 -0000 X-SWARE-Spam-Status: No, hits=-2.5 required=5.0 tests=AWL,BAYES_00 X-Spam-Check-By: sourceware.org Received: from NaN.false.org (HELO nan.false.org) (208.75.86.248) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Mon, 05 Jan 2009 03:44:24 +0000 Received: from nan.false.org (localhost [127.0.0.1]) by nan.false.org (Postfix) with ESMTP id 7C79910A2F; Mon, 5 Jan 2009 03:44:21 +0000 (GMT) Received: from caradoc.them.org (209.195.188.212.nauticom.net [209.195.188.212]) by nan.false.org (Postfix) with ESMTP id 1FC8B101AB; Mon, 5 Jan 2009 03:44:21 +0000 (GMT) Received: from drow by caradoc.them.org with local (Exim 4.69) (envelope-from ) id 1LJgO3-0005R3-UO; Sun, 04 Jan 2009 22:44:20 -0500 Date: Mon, 05 Jan 2009 03:44:00 -0000 From: Daniel Jacobowitz To: Jan Kiszka Cc: gdb@sourceware.org Subject: Re: Towards better x86 system debugging support Message-ID: <20090105034419.GA20581@caradoc.them.org> Mail-Followup-To: Jan Kiszka , gdb@sourceware.org References: <4960BAC8.7020801@web.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4960BAC8.7020801@web.de> User-Agent: Mutt/1.5.17 (2008-05-11) X-IsSubscribed: yes 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 X-SW-Source: 2009-01/txt/msg00009.txt.bz2 On Sun, Jan 04, 2009 at 02:34:00PM +0100, Jan Kiszka wrote: > The question for me is how to extend the protocol precisely. I guess we > need some new qSupported feature. But should we then, if both sides > agreed on it, switch to a completely new register set or rather exchange > those additional registers separately, ie. via some new packet? No new feature required. Take a look at the description of target-described registers in the current manual; we'd just need a naming convention for the x86 control registers of interest to GDB. That solves your other issue too about width. -- Daniel Jacobowitz CodeSourcery