From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 1461 invoked by alias); 16 Sep 2008 15:22:42 -0000 Received: (qmail 1450 invoked by uid 22791); 16 Sep 2008 15:22:41 -0000 X-Spam-Check-By: sourceware.org Received: from NaN.false.org (HELO nan.false.org) (208.75.86.248) by sourceware.org (qpsmtpd/0.31) with ESMTP; Tue, 16 Sep 2008 15:22:02 +0000 Received: from nan.false.org (localhost [127.0.0.1]) by nan.false.org (Postfix) with ESMTP id 9937910CD9; Tue, 16 Sep 2008 15:22:00 +0000 (GMT) Received: from caradoc.them.org (22.svnf5.xdsl.nauticom.net [209.195.183.55]) by nan.false.org (Postfix) with ESMTP id 6AD3A104B9; Tue, 16 Sep 2008 15:22:00 +0000 (GMT) Received: from drow by caradoc.them.org with local (Exim 4.69) (envelope-from ) id 1KfcNL-000653-Um; Tue, 16 Sep 2008 11:21:59 -0400 Date: Tue, 16 Sep 2008 15:22:00 -0000 From: Daniel Jacobowitz To: teawater Cc: Michael Snyder , "gdb-patches@sourceware.org" Subject: Re: [reverse RFA] no singlestep-over-BP in reverse Message-ID: <20080916152159.GA23026@caradoc.them.org> Mail-Followup-To: teawater , Michael Snyder , "gdb-patches@sourceware.org" References: <48CEAA05.8050006@vmware.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2008-05-11) 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: 2008-09/txt/msg00351.txt.bz2 On Tue, Sep 16, 2008 at 11:03:42PM +0800, teawater wrote: > 1. The instruction in this address already reverse executed, it make > program status back to before forward execute this instruction. I like this approach; I believe it's what we used in the qemu reverse implementation also. It means that you have the same state when you're pointing at the start of a source line: it has not yet executed. -- Daniel Jacobowitz CodeSourcery