From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 23511 invoked by alias); 19 Jan 2006 01:01:35 -0000 Received: (qmail 23503 invoked by uid 22791); 19 Jan 2006 01:01:35 -0000 X-Spam-Check-By: sourceware.org Received: from zproxy.gmail.com (HELO zproxy.gmail.com) (64.233.162.200) by sourceware.org (qpsmtpd/0.31) with ESMTP; Thu, 19 Jan 2006 01:01:33 +0000 Received: by zproxy.gmail.com with SMTP id m22so96044nzf for ; Wed, 18 Jan 2006 17:01:31 -0800 (PST) Received: by 10.36.141.16 with SMTP id o16mr7355356nzd; Wed, 18 Jan 2006 17:01:31 -0800 (PST) Received: by 10.37.2.42 with HTTP; Wed, 18 Jan 2006 17:01:31 -0800 (PST) Message-ID: <8f2776cb0601181701p150929ccldf9465a6e368ecdf@mail.gmail.com> Date: Thu, 19 Jan 2006 01:18:00 -0000 From: Jim Blandy To: John Williams Subject: Re: Triggering qSymbol packets Cc: gdb@sourceware.org In-Reply-To: <43CEE12E.90504@itee.uq.edu.au> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline References: <43CED634.4050503@itee.uq.edu.au> <20060119001944.GA21282@nevyn.them.org> <43CEE12E.90504@itee.uq.edu.au> X-IsSubscribed: yes Mailing-List: contact gdb-help@sourceware.org; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-owner@sourceware.org X-SW-Source: 2006-01/txt/msg00183.txt.bz2 On 1/18/06, John Williams wrote: > OK. I'm guessing a back-port of the fixup will be much easer (short > term) than a forward port of the entire arch. Am I maybe > over-estimating the work involved in migrating an arch from gdb 5.3 to 6.= 4? A lot has changed. The frame unwinding interface is eccentric in a different way than it used to be. :) Actually, it's much more well-defined, and well-behaved. The gdbarch methods for calling functions and extracting their return values have changed. So there's a lot of work entailed in bringing a port forward.