From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 19776 invoked by alias); 1 Oct 2007 17:40:49 -0000 Received: (qmail 19767 invoked by uid 22791); 1 Oct 2007 17:40:49 -0000 X-Spam-Status: No, hits=0.5 required=5.0 tests=AWL,BAYES_40,DK_POLICY_SIGNSOME,FORGED_RCVD_HELO,SPF_FAIL X-Spam-Check-By: sourceware.org Received: from alnrmhc15.comcast.net (HELO alnrmhc15.comcast.net) (204.127.225.95) by sourceware.org (qpsmtpd/0.31) with ESMTP; Mon, 01 Oct 2007 17:40:45 +0000 Received: from gateway.sf.frob.com (c-67-160-211-197.hsd1.ca.comcast.net[67.160.211.197]) by comcast.net (alnrmhc15) with ESMTP id <20071001174044b15002715le>; Mon, 1 Oct 2007 17:40:44 +0000 Received: from magilla.localdomain (magilla.sf.frob.com [198.49.250.228]) by gateway.sf.frob.com (Postfix) with ESMTP id AD974357B; Mon, 1 Oct 2007 10:40:42 -0700 (PDT) Received: by magilla.localdomain (Postfix, from userid 5281) id 58AC54D0544; Mon, 1 Oct 2007 10:40:42 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit From: Roland McGrath To: Mark Wielaard Cc: Phil Muldoon , Frysk Hackers Subject: Re: Optimizing watchpoints In-Reply-To: Mark Wielaard's message of Monday, 1 October 2007 10:41:52 +0200 <1191228112.3842.24.camel@dijkstra.wildebeest.org> References: <46FD7036.2010500@redhat.com> <20071001012529.D264A4D0325@magilla.localdomain> <1191228112.3842.24.camel@dijkstra.wildebeest.org> Emacs: it's like swatting a fly with a supernova. Message-Id: <20071001174042.58AC54D0544@magilla.localdomain> Date: Mon, 01 Oct 2007 17:40:00 -0000 X-IsSubscribed: yes Mailing-List: contact frysk-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Post: List-Help: , Sender: frysk-owner@sourceware.org X-SW-Source: 2007-q4/txt/msg00006.txt.bz2 > Just a FYI. I see (through a quick kernel grep) PTRACE_SET_DEBUGREG is > only available on powerpc. For x86[_64] frysk pokes at the hardware > debug registers through the USR area and getting/setting them > "directly". This might have to become a special case of the above. "and the like". (I already give more precise details than anyone wants anyway.)