From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 3202 invoked by alias); 29 Jan 2002 21:29:39 -0000 Mailing-List: contact gdb-patches-help@sources.redhat.com; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sources.redhat.com Received: (qmail 3169 invoked from network); 29 Jan 2002 21:29:38 -0000 Received: from unknown (HELO localhost.cygnus.com) (216.138.202.10) by sources.redhat.com with SMTP; 29 Jan 2002 21:29:38 -0000 Received: from cygnus.com (localhost [127.0.0.1]) by localhost.cygnus.com (Postfix) with ESMTP id E604E3DD0; Tue, 29 Jan 2002 16:29:28 -0500 (EST) Message-ID: <3C571438.2070605@cygnus.com> Date: Tue, 29 Jan 2002 13:29:00 -0000 From: Andrew Cagney User-Agent: Mozilla/5.0 (X11; U; NetBSD macppc; en-US; rv:0.9.7) Gecko/20020103 X-Accept-Language: en-us MIME-Version: 1.0 To: Michael Snyder Cc: gdb-patches@sources.redhat.com Subject: Re: [RFA] legacy_[read/write]_register_gen References: <200201290102.g0T12Uk24471@reddwarf.cygnus.com> <3C5614AF.4050809@cygnus.com> <3C56EC48.8ACAC16B@redhat.com> <3C56F660.5040902@cygnus.com> <3C56F701.8869B52F@redhat.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-SW-Source: 2002-01/txt/msg00763.txt.bz2 > That should be implemented as: >> >> my_register_read (int regnum, ...) >> { >> if (regnum == MY_MIRROR_REGNUM) >> regcache_read (MY_REAL_REGNUM, buf) >> else >> regcache_read (regnum, buf); >> } >> >> GDB no longer needs to have duplicated register values in the regcache. >> >> Anyway, I have figured out why the change is needed. You can end up >> with ``real'' registers in the [NUM_REGS .. NUM_REGS+NUM_PSEUDO_REGS) >> range. This happens (at present still theory) when a register that >> isn't in the G packet is fetched. > > > Shall I check it in? Yes. Thanks! Andrew