From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 8597 invoked by alias); 24 Jun 2010 17:06:32 -0000 Received: (qmail 8494 invoked by uid 22791); 24 Jun 2010 17:06:30 -0000 X-SWARE-Spam-Status: No, hits=-5.9 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_HI,SPF_HELO_PASS,T_RP_MATCHES_RCVD X-Spam-Check-By: sourceware.org Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Thu, 24 Jun 2010 17:06:26 +0000 Received: from int-mx04.intmail.prod.int.phx2.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.17]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id o5OH6N7X001853 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Thu, 24 Jun 2010 13:06:23 -0400 Received: from ns3.rdu.redhat.com (ns3.rdu.redhat.com [10.11.255.199]) by int-mx04.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id o5OH6MGn032750; Thu, 24 Jun 2010 13:06:23 -0400 Received: from opsy.redhat.com (ovpn01.gateway.prod.ext.phx2.redhat.com [10.5.9.1]) by ns3.rdu.redhat.com (8.13.8/8.13.8) with ESMTP id o5OH6LBb024437; Thu, 24 Jun 2010 13:06:22 -0400 Received: by opsy.redhat.com (Postfix, from userid 500) id 9952D3792DB; Thu, 24 Jun 2010 11:06:21 -0600 (MDT) From: Tom Tromey To: "Ulrich Weigand" Cc: gdb-patches@sourceware.org Subject: Re: [rfc] DWARF expression evaluation vs. GDB address encoding problems References: <201006232029.o5NKTrDf009422@d12av02.megacenter.de.ibm.com> Reply-To: tromey@redhat.com Date: Thu, 24 Jun 2010 17:06:00 -0000 In-Reply-To: <201006232029.o5NKTrDf009422@d12av02.megacenter.de.ibm.com> (Ulrich Weigand's message of "Wed, 23 Jun 2010 22:29:53 +0200 (CEST)") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii 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: 2010-06/txt/msg00536.txt.bz2 >>>>> "Ulrich" == Ulrich Weigand writes: Ulrich> In fact, this seems the real problem to me: operations on the DWARF Ulrich> stack should really use the target pointer / address representation; Ulrich> only after the computation is complete should the value be converted Ulrich> into the GDB internal address representation (CORE_ADDR). This makes sense to me. Ulrich> As a side effect, we no longer need to employ the value machinery Ulrich> to perform binary operations on the DWARF stack. Nice. Ulrich> Tom, does this look reasonable to you? Yes, thanks. Tom