From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 23894 invoked by alias); 12 Mar 2003 18:38:42 -0000 Mailing-List: contact gdb-help@sources.redhat.com; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-owner@sources.redhat.com Received: (qmail 23887 invoked from network); 12 Mar 2003 18:38:42 -0000 Received: from unknown (HELO localhost.redhat.com) (172.16.49.200) by 172.16.49.205 with SMTP; 12 Mar 2003 18:38:42 -0000 Received: from redhat.com (localhost [127.0.0.1]) by localhost.redhat.com (Postfix) with ESMTP id BE3812B11; Wed, 12 Mar 2003 13:38:37 -0500 (EST) Message-ID: <3E6F7EAD.6010001@redhat.com> Date: Wed, 12 Mar 2003 18:38:00 -0000 From: Andrew Cagney User-Agent: Mozilla/5.0 (X11; U; NetBSD macppc; en-US; rv:1.0.2) Gecko/20030223 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Daniel Jacobowitz Cc: Michael Elizabeth Chastain , stcarrez@nerim.fr, brobecker@gnat.com, gdb@sources.redhat.com, kettenis@chello.nl Subject: Re: 8-byte register values on a 32-bit machine References: <200303021659.h22Gxc908446@duracef.shout.net> <3E6F53B3.6010803@redhat.com> <20030312155116.GA3669@nevyn.them.org> <3E6F7C6F.2030805@redhat.com> <20030312183517.GA26765@nevyn.them.org> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-SW-Source: 2003-03/txt/msg00190.txt.bz2 > On Wed, Mar 12, 2003 at 01:29:03PM -0500, Andrew Cagney wrote: > >> > >> >The new code fixes some reported wrong-value-reported bugs in other >> >debugging >> >situations; one of them was reported just recently. So I don't think >> >'equalled the functionality of the old mechanism' is really quite fair. > >> >> True. However, breaking `long long' is a serious regression. If a >> developer can't trust that, what can they trust? > > > Historically it hasn't been all that trustable anyway. I don't have a > testcase handy but CORE_ADDRs in GDB backtraces tend to be wrong, even > when they're properly saved to the stack. Et cetera. On the i386. The case that Mark identified. Andrew