From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 20487 invoked by alias); 24 Jul 2013 17:08:47 -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 20463 invoked by uid 89); 24 Jul 2013 17:08:47 -0000 X-Spam-SWARE-Status: No, score=-3.8 required=5.0 tests=AWL,BAYES_00,KHOP_RCVD_UNTRUST,KHOP_THREADED,RCVD_IN_DNSWL_MED,RCVD_IN_HOSTKARMA_W,RDNS_NONE autolearn=ham version=3.3.1 Received: from Unknown (HELO mms2.broadcom.com) (216.31.210.18) by sourceware.org (qpsmtpd/0.84/v0.84-167-ge50287c) with ESMTP; Wed, 24 Jul 2013 17:08:38 +0000 Received: from [10.9.208.53] by mms2.broadcom.com with ESMTP (Broadcom SMTP Relay (Email Firewall v6.5)); Wed, 24 Jul 2013 10:02:23 -0700 X-Server-Uuid: 4500596E-606A-40F9-852D-14843D8201B2 Received: from IRVEXCHSMTP1.corp.ad.broadcom.com (10.9.207.51) by IRVEXCHCAS06.corp.ad.broadcom.com (10.9.208.53) with Microsoft SMTP Server (TLS) id 14.1.438.0; Wed, 24 Jul 2013 10:08:24 -0700 Received: from mail-irva-13.broadcom.com (10.10.10.20) by IRVEXCHSMTP1.corp.ad.broadcom.com (10.9.207.51) with Microsoft SMTP Server id 14.1.438.0; Wed, 24 Jul 2013 10:08:24 -0700 Received: from [10.177.73.66] (unknown [10.177.73.66]) by mail-irva-13.broadcom.com (Postfix) with ESMTP id 946D0F2D7B; Wed, 24 Jul 2013 10:08:23 -0700 (PDT) Message-ID: <51F00A06.6010402@broadcom.com> Date: Wed, 24 Jul 2013 17:08:00 -0000 From: "Andrew Burgess" User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:17.0) Gecko/20130620 Thunderbird/17.0.7 MIME-Version: 1.0 To: "Eli Zaretskii" cc: gdb-patches@sourceware.org Subject: Re: [PING (docs)] Re: [PATCH] [1/2] Add new 'z' format for print command References: <51DAF728.4040309@broadcom.com> <51EFA750.2070707@broadcom.com> <83k3kgvxf2.fsf@gnu.org> <51EFEFB1.4070408@broadcom.com> <83bo5rx59d.fsf@gnu.org> In-Reply-To: <83bo5rx59d.fsf@gnu.org> Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 7bit X-SW-Source: 2013-07/txt/msg00575.txt.bz2 On 24/07/2013 6:00 PM, Eli Zaretskii wrote: >> Date: Wed, 24 Jul 2013 16:16:01 +0100 >> From: "Andrew Burgess" >> cc: gdb-patches@sourceware.org >> >> On 24/07/2013 3:34 PM, Eli Zaretskii wrote: >> >>> More importantly, I have a difficulty understanding what does >>> "hexadecimal zero padded to the size ..." mean. More accurately, if >>> my interpretation of what you say (that 'z' produces "00"s for >>> non-existing data, then why does this "padding" make sense, when we >>> are targeting a human consumer? >> >> I'm not sure I agree with the "non-existing data" part of your >> statement, for example a 4-byte register containing the value 1 (one) >> when printed with /x would print 0x1, with /z it would print 0x00000001, >> surely the leading 0s do exist, we just normally don't print them. > > Then please say "zero padded on the left". I thought you were talking > about padding at the right. Sorry for my misunderstanding. OK. I'll re-word that tomorrow, do you want to see a revised patch before I commit? Thanks for your time, Andrew