From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 65944 invoked by alias); 10 Mar 2017 19:29:22 -0000 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 Received: (qmail 65928 invoked by uid 89); 10 Mar 2017 19:29:21 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.9 required=5.0 tests=BAYES_00,RP_MATCHES_RCVD,SPF_HELO_PASS autolearn=ham version=3.3.2 spammy=H*MI:sk:m3o9xbo, H*f:sk:m3o9xbo X-HELO: mx1.redhat.com Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Fri, 10 Mar 2017 19:29:20 +0000 Received: from smtp.corp.redhat.com (int-mx16.intmail.prod.int.phx2.redhat.com [10.5.11.28]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 2E348C057FAD; Fri, 10 Mar 2017 19:29:21 +0000 (UTC) Received: from [127.0.0.1] (ovpn04.gateway.prod.ext.phx2.redhat.com [10.5.9.4]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8E47C2D653; Fri, 10 Mar 2017 19:29:20 +0000 (UTC) Subject: Re: [PATCH] PR gdb/21226: Take DWARF stack value pieces from LSB end To: Andreas Arnez , gdb-patches@sourceware.org References: From: Pedro Alves Message-ID: Date: Fri, 10 Mar 2017 19:29:00 -0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.4.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-SW-Source: 2017-03/txt/msg00149.txt.bz2 On 03/08/2017 06:26 PM, Andreas Arnez wrote: > * pieces reaching outside the stack value bits are considered undefined, > and a zero value can be used instead. I'm not exactly sure what that means, but doesn't "undefined" suggest "optimized out" instead? Thanks, Pedro Alves