From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 17956 invoked by alias); 23 Mar 2010 03:00:17 -0000 Received: (qmail 17946 invoked by uid 22791); 23 Mar 2010 03:00:15 -0000 X-SWARE-Spam-Status: No, hits=-1.8 required=5.0 tests=AWL,BAYES_00,SARE_MSGID_LONG40 X-Spam-Check-By: sourceware.org Received: from mail-pw0-f41.google.com (HELO mail-pw0-f41.google.com) (209.85.160.41) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Tue, 23 Mar 2010 03:00:11 +0000 Received: by pwi4 with SMTP id 4so5301262pwi.0 for ; Mon, 22 Mar 2010 20:00:10 -0700 (PDT) MIME-Version: 1.0 Received: by 10.114.252.7 with SMTP id z7mr7600254wah.97.1269313210192; Mon, 22 Mar 2010 20:00:10 -0700 (PDT) In-Reply-To: References: <4BA7B64D.7090403@vmware.com> From: Hui Zhu Date: Tue, 23 Mar 2010 03:00:00 -0000 Message-ID: Subject: Re: [Fwd: Re: [RFA 3/5] Prec: x86 segment register support: target] To: Doug Evans Cc: Michael Snyder , "gdb-patches@sourceware.org" Content-Type: text/plain; charset=ISO-8859-1 X-IsSubscribed: yes 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: 2010-03/txt/msg00785.txt.bz2 On Tue, Mar 23, 2010 at 02:47, Doug Evans wrote: > On Mon, Mar 22, 2010 at 11:26 AM, Michael Snyder wrote: >> I'd just like to point out that while all this sounds great, >> it shouldn't be a prerequisite to the original task of just >> getting prec to record the segments and offsets correctly. >> >> Maybe we should split these two tasks, so that Teawater can >> go ahead and accomplish his. > > To the extent that they can be split, IWBN alright. > > I wonder if the interface is sufficient though (setting aside where to > put it and how it will look). > Any particular o/s might not provide sufficient hooks of course. > linux's modify_ldt, AIUI, let's one change more than just foo_base. > NativeClient http://code.google.com/p/nativeclient/ uses it, for example. > Thanks Doug. I suggest we support segment base step by step. When the OS that support it will show the xxx_base to user, the unsupport OS will show nothing. What do you think about it? Best regards, Hui