From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 1093 invoked by alias); 1 Dec 2004 17:19:25 -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 687 invoked from network); 1 Dec 2004 17:19:11 -0000 Received: from unknown (HELO nevyn.them.org) (66.93.172.17) by sourceware.org with SMTP; 1 Dec 2004 17:19:11 -0000 Received: from drow by nevyn.them.org with local (Exim 4.34 #1 (Debian)) id 1CZY8E-0002K4-G2; Wed, 01 Dec 2004 12:19:10 -0500 Date: Wed, 01 Dec 2004 17:19:00 -0000 From: Daniel Jacobowitz To: Randolph Chung Cc: Andrew Cagney , gdb-patches@sources.redhat.com Subject: Re: [patch/RFA] multiarch INSTRUCTION_NULLIFIED Message-ID: <20041201171910.GA8771@nevyn.them.org> Mail-Followup-To: Randolph Chung , Andrew Cagney , gdb-patches@sources.redhat.com References: <200411181655.iAIGthDa026050@juw15.nfra.nl> <20041123174937.GL9148@tausq.org> <41AA09F8.4020006@gnu.org> <20041128184141.GG6359@tausq.org> <41AA2D08.3030304@gnu.org> <20041129033013.GJ6359@tausq.org> <41AB3C1D.80509@gnu.org> <20041201061924.GZ6359@tausq.org> <20041201171137.GA8037@nevyn.them.org> <20041201171712.GE6359@tausq.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20041201171712.GE6359@tausq.org> User-Agent: Mutt/1.5.5.1+cvs20040105i X-SW-Source: 2004-12/txt/msg00025.txt.bz2 On Wed, Dec 01, 2004 at 09:17:12AM -0800, Randolph Chung wrote: > > Here's an off-the-cuff idea for you. Could you actually skip the > > nullified instruction, if you had a hook in the right place? That is, > > when a thread stops, if it is stopped at a nullified instruction, > > forcibly move it to the next instruction before returning control to > > GDB. > > this is exactly what the instruction_nullified method that i added do :) Could you do this at the end of the to_wait hook, if I provided a way for the native target to override to_wait? Oh, I guess it's an architecture property, not a target property, so you'd need to do it for remote stubs too. -- Daniel Jacobowitz