From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gdb-return-22485-listarch-gdb=sources.redhat.com@sources.redhat.com>
Received: (qmail 2215 invoked by alias); 6 Sep 2005 19:29:37 -0000
Mailing-List: contact gdb-help@sources.redhat.com; run by ezmlm
Precedence: bulk
List-Subscribe: <mailto:gdb-subscribe@sources.redhat.com>
List-Archive: <http://sources.redhat.com/ml/gdb/>
List-Post: <mailto:gdb@sources.redhat.com>
List-Help: <mailto:gdb-help@sources.redhat.com>, <http://sources.redhat.com/ml/#faqs>
Sender: gdb-owner@sources.redhat.com
Received: (qmail 2171 invoked by uid 22791); 6 Sep 2005 19:29:30 -0000
Received: from nevyn.them.org (HELO nevyn.them.org) (66.93.172.17)
    by sourceware.org (qpsmtpd/0.30-dev) with ESMTP; Tue, 06 Sep 2005 19:29:30 +0000
Received: from drow by nevyn.them.org with local (Exim 4.52)
	id 1ECj8J-0002iq-OX; Tue, 06 Sep 2005 15:29:27 -0400
Date: Tue, 06 Sep 2005 19:29:00 -0000
From: Daniel Jacobowitz <drow@false.org>
To: Eli Zaretskii <eliz@gnu.org>
Cc: gdb@sources.redhat.com, ghost@cs.msu.su
Subject: Re: The 'x' command: size problem
Message-ID: <20050906192927.GA10362@nevyn.them.org>
Mail-Followup-To: Eli Zaretskii <eliz@gnu.org>, gdb@sources.redhat.com,
	ghost@cs.msu.su
References: <dfkaub$n1c$1@sea.gmane.org> <20050906152448.GA2444@nevyn.them.org> <ur7c2vwev.fsf@gnu.org>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <ur7c2vwev.fsf@gnu.org>
User-Agent: Mutt/1.5.8i
X-SW-Source: 2005-09/txt/msg00040.txt.bz2

On Tue, Sep 06, 2005 at 10:16:56PM +0300, Eli Zaretskii wrote:
> > Date: Tue, 6 Sep 2005 11:24:48 -0400
> > From: Daniel Jacobowitz <drow@false.org>
> > Cc: gdb@sources.redhat.com
> > 
> > On Tue, Sep 06, 2005 at 07:00:28PM +0400, Vladimir Prus wrote:
> > > works. In fact, the x_command function in printcmd.c expects the the size
> > > argument be always given as literal.
> > > 
> > > This limitation makes it somewhat harder to implement "show this
> > > variable/expression in binary" command in a GUI. Are there any easy
> > > workarounds?
> > 
> > Not as far as I know.
> 
> Is that a bug, and if so, should we fix it ASAP?

Personally, I don't think it's a bug.

It can't unambiguously accept x/sizeof(i), because of x/s.  I suppose
we could allow convenience variables here, but I don't think the
benefit is substantial.  For a frontend, it shouldn't be hard to find
the right size as a literal.  For a user, ditto.

-- 
Daniel Jacobowitz
CodeSourcery, LLC