From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 30533 invoked by alias); 3 Sep 2008 01:53:06 -0000 Received: (qmail 30524 invoked by uid 22791); 3 Sep 2008 01:53:05 -0000 X-Spam-Check-By: sourceware.org Received: from rock.gnat.com (HELO rock.gnat.com) (205.232.38.15) by sourceware.org (qpsmtpd/0.31) with ESMTP; Wed, 03 Sep 2008 01:52:26 +0000 Received: from localhost (localhost.localdomain [127.0.0.1]) by filtered-rock.gnat.com (Postfix) with ESMTP id C39232A96C1; Tue, 2 Sep 2008 21:52:24 -0400 (EDT) Received: from rock.gnat.com ([127.0.0.1]) by localhost (rock.gnat.com [127.0.0.1]) (amavisd-new, port 10024) with LMTP id gmzace3BOMFF; Tue, 2 Sep 2008 21:52:24 -0400 (EDT) Received: from [127.0.0.1] (nile.gnat.com [205.232.38.5]) by rock.gnat.com (Postfix) with ESMTP id A395A2A96AF; Tue, 2 Sep 2008 21:52:24 -0400 (EDT) Message-ID: <48BDEDD5.1060406@adacore.com> Date: Wed, 03 Sep 2008 01:53:00 -0000 From: Robert Dewar User-Agent: Thunderbird 2.0.0.16 (Windows/20080708) MIME-Version: 1.0 To: Michael Snyder CC: Joel Brobecker , "jreiver@free.fr" , "gdb@sourceware.org" Subject: Re: how to examine data with compiler optimization option set? References: <1220390777.48bdaf79617dd@imp.free.fr> <48BDB1B0.4040703@adacore.com> <1220391632.48bdb2d04bfd7@imp.free.fr> <48BDB4E2.9010301@adacore.com> <20080902215623.GA3779@adacore.com> <48BDD4B7.5060503@vmware.com> In-Reply-To: <48BDD4B7.5060503@vmware.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-IsSubscribed: yes Mailing-List: contact gdb-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-owner@sourceware.org X-SW-Source: 2008-09/txt/msg00015.txt.bz2 Michael Snyder wrote: > I don't think there is any possibility whatsoever of > somehow generating location codes for the variables in > the example. It *is* theoretically possible to generate such information, but I agree with Michael that in practice it is too far out of scope to ever happen. > > Those values are simply not kept anywhere. GCC will replace > them all with the constant, "3".