From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 28300 invoked by alias); 29 Jun 2009 19:58:54 -0000 Received: (qmail 28292 invoked by uid 22791); 29 Jun 2009 19:58:53 -0000 X-SWARE-Spam-Status: No, hits=-2.4 required=5.0 tests=AWL,BAYES_00 X-Spam-Check-By: sourceware.org Received: from smtp-outbound-1.vmware.com (HELO smtp-outbound-1.vmware.com) (65.115.85.69) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Mon, 29 Jun 2009 19:58:47 +0000 Received: from mailhost3.vmware.com (mailhost3.vmware.com [10.16.27.45]) by smtp-outbound-1.vmware.com (Postfix) with ESMTP id 8277B38001; Mon, 29 Jun 2009 12:58:43 -0700 (PDT) Received: from [10.20.94.141] (msnyder-server.eng.vmware.com [10.20.94.141]) by mailhost3.vmware.com (Postfix) with ESMTP id 782BDCDAB9; Mon, 29 Jun 2009 12:58:43 -0700 (PDT) Message-ID: <4A491C7B.5060306@vmware.com> Date: Mon, 29 Jun 2009 19:58:00 -0000 From: Michael Snyder User-Agent: Thunderbird 1.5.0.12 (X11/20080411) MIME-Version: 1.0 To: Jacob Potter , gdb-patches@sourceware.org Subject: Re: [RFA] Rewrite data cache and use for stack access. References: <7e6c8d660906291200r164b3c7l95376866122e86fb@mail.gmail.com> <20090629193230.GA8840@caradoc.them.org> In-Reply-To: <20090629193230.GA8840@caradoc.them.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit 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: 2009-06/txt/msg00844.txt.bz2 Daniel Jacobowitz wrote: > The other especially useful place is code analysis. If code accesses > were marked appropriately, we could redirect them straight to the > executable (mild risk, see my recent conversation with Pedro about > fix-and-continue style patching) or to the data cache (almost no > risk). By the way, we can already redirect them to the executable by using "set trust-readonly-sections".