From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 24869 invoked by alias); 10 Jan 2002 19:32:45 -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 24765 invoked from network); 10 Jan 2002 19:32:43 -0000 Received: from unknown (HELO nevyn.them.org) (128.2.145.6) by sources.redhat.com with SMTP; 10 Jan 2002 19:32:43 -0000 Received: from drow by nevyn.them.org with local (Exim 3.33 #1 (Debian)) id 16Okx6-0002Vw-00; Thu, 10 Jan 2002 14:33:28 -0500 Date: Thu, 10 Jan 2002 11:32:00 -0000 From: Daniel Jacobowitz To: Jason Merrill Cc: Michael Elizabeth Chastain , gdb@sources.redhat.com, fnf@redhat.com Subject: Re: gdb.c++ failures Message-ID: <20020110143328.B9479@nevyn.them.org> Mail-Followup-To: Jason Merrill , Michael Elizabeth Chastain , gdb@sources.redhat.com, fnf@redhat.com References: <200201101712.LAA18053@duracef.shout.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.3.23i X-SW-Source: 2002-01/txt/msg00104.txt.bz2 On Thu, Jan 10, 2002 at 07:21:18PM +0000, Jason Merrill wrote: > >>>>> "Michael" == Michael Elizabeth Chastain writes: > > > Jason Merrill writes: > >> method.exp: The 'print this' tests are failing because gdb is printing > >> the types as, say, (A * const), and the test just wants (A *). The > >> former is correct, since 'this' is readonly. Any objection to changing > >> the test (and others affected) to allow the const? > > > Fred Fish submitted a patch for this. > > Quite so. Fred, it looks good to me. I agree. > > There is a second issue in the patch about the type of "this" in const > > methods. The type should be "const A *", and I would be willing to > > accept "const A * const". But gdb with stabs is printing just plain "A > > *". > > The stabs output from gcc ignores const and volatile. There is even a > comment saying that "stabs does not distinguish const and volatile". > The method qualifiers are described, and gdb could do the work to apply > them to the type of 'this', but it's probably fine just to leave it as it > is. There are documented extensions to STABS to express both const and volatile. GDB supports them, and documents them - see info stabs. They're originally Sun extensions. Could I persuade you to add them to GCC? It would take you less time than I. -- Daniel Jacobowitz Carnegie Mellon University MontaVista Software Debian GNU/Linux Developer