From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 19869 invoked by alias); 10 Jan 2008 22:21:18 -0000 Received: (qmail 19860 invoked by uid 22791); 10 Jan 2008 22:21:18 -0000 X-Spam-Check-By: sourceware.org Received: from province.act-europe.fr (HELO province.act-europe.fr) (212.99.106.214) by sourceware.org (qpsmtpd/0.31) with ESMTP; Thu, 10 Jan 2008 22:20:58 +0000 Received: from localhost (localhost [127.0.0.1]) by filtered-province.act-europe.fr (Postfix) with ESMTP id 46A23165BD4; Thu, 10 Jan 2008 23:20:55 +0100 (CET) Received: from province.act-europe.fr ([127.0.0.1]) by localhost (province.act-europe.fr [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id VN2ES3IoRdk2; Thu, 10 Jan 2008 23:20:55 +0100 (CET) Received: from [192.168.1.3] (dyn-88-122-238-230.ppp.tiscali.fr [88.122.238.230]) (using TLSv1 with cipher RC4-MD5 (128/128 bits)) (No client certificate requested) by province.act-europe.fr (Postfix) with ESMTP id EBC7D165BC7; Thu, 10 Jan 2008 23:20:54 +0100 (CET) From: Eric Botcazou To: Michael Snyder Subject: Re: [RFC/RFA?] Should break FILE:LINENO skip prologue? Date: Thu, 10 Jan 2008 22:21:00 -0000 User-Agent: KMail/1.7.1 Cc: Mark Kettenis , brobecker@adacore.com, jimb@codesourcery.com, gdb-patches@sourceware.org References: <20080109151745.GA13181@adacore.com> <200801101247.28736.ebotcazou@adacore.com> <1200001622.14654.29.camel@localhost.localdomain> In-Reply-To: <1200001622.14654.29.camel@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200801102323.20683.ebotcazou@adacore.com> 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: 2008-01/txt/msg00254.txt.bz2 > I wouldn't speak for Mark, but personally I could imagine, say, > that at -O0 gcc might treat the prologue (whatever we decide > that means) as an atom, and not allow non-prologue instructions > to be shuffled into it. The prologue is rather well delimited in GCC and changing that would not be easy. Moreover nothing is shuffled into it at -O0, so what you have at -O0 is the prologue and only the prologue. > The next question would be, are automatic variable initializations > part of that atom? No, they are not. -- Eric Botcazou