From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 17021 invoked by alias); 7 May 2009 02:54:51 -0000 Received: (qmail 17013 invoked by uid 22791); 7 May 2009 02:54:51 -0000 X-SWARE-Spam-Status: No, hits=-1.6 required=5.0 tests=AWL,BAYES_00,SARE_MSGID_LONG40,SPF_PASS X-Spam-Check-By: sourceware.org Received: from ti-out-0910.google.com (HELO ti-out-0910.google.com) (209.85.142.191) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Thu, 07 May 2009 02:54:46 +0000 Received: by ti-out-0910.google.com with SMTP id a1so37784tib.12 for ; Wed, 06 May 2009 19:54:43 -0700 (PDT) MIME-Version: 1.0 Received: by 10.110.69.5 with SMTP id r5mr130339tia.22.1241664883893; Wed, 06 May 2009 19:54:43 -0700 (PDT) In-Reply-To: <724851.22620.qm@web36206.mail.mud.yahoo.com> References: <724851.22620.qm@web36206.mail.mud.yahoo.com> Date: Thu, 07 May 2009 02:54:00 -0000 Message-ID: Subject: Re: MMX and floating point insn suport for reversible debugging From: Hui Zhu To: paawan oza Cc: Thiago Jung Bauermann , gdb ml , Pedro Alves , Marc Khouzam , Michael Snyder , Eli Zaretskii , Mark Kettenis Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit 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: 2009-05/txt/msg00029.txt.bz2 On Thu, May 7, 2009 at 02:02, paawan oza wrote: > > Hi Hui, > > I have started understanding and working on point-1. > I have some questions. please let me know my understanding is correct ? > > 1) i386-tdep.c is the one which has been done for record-replay. which basically takes care of disassembling insns... > but I see some code regarding MMX and x87FPU already available. > may I know exactly, what support is missing ? > case 0x0f06: break; /* MMX/SSE/SSE2/PNI support */ /* XXX */ default: Your mean is this part? And I suggest you can begin with float point insn first. It doesn't record float point reg change. Thanks, Hui