From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 10121 invoked by alias); 20 Jul 2012 07:12:57 -0000 Received: (qmail 10111 invoked by uid 22791); 20 Jul 2012 07:12:56 -0000 X-SWARE-Spam-Status: No, hits=-6.2 required=5.0 tests=AWL,BAYES_00,KHOP_RCVD_UNTRUST,RCVD_IN_DNSWL_HI,RCVD_IN_HOSTKARMA_W,SPF_HELO_PASS,TW_XC,T_RP_MATCHES_RCVD X-Spam-Check-By: sourceware.org Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Fri, 20 Jul 2012 07:12:31 +0000 Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id q6K7C6h0017161 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 20 Jul 2012 03:12:06 -0400 Received: from host2.jankratochvil.net (ovpn-116-30.ams2.redhat.com [10.36.116.30]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id q6K7C2QD015902 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO); Fri, 20 Jul 2012 03:12:04 -0400 Date: Fri, 20 Jul 2012 07:12:00 -0000 From: Jan Kratochvil To: Philippe Waroquiers Cc: Joel Brobecker , gdb@sourceware.org Subject: Re: GDB 7.4.91 available for testing Message-ID: <20120720071158.GA7053@host2.jankratochvil.net> References: <20120718163413.GA17548@adacore.com> <1342739016.2220.32.camel@soleil> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1342739016.2220.32.camel@soleil> User-Agent: Mutt/1.5.21 (2010-09-15) X-IsSubscribed: yes Mailing-List: contact gdb-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-owner@sourceware.org X-SW-Source: 2012-07/txt/msg00055.txt.bz2 On Fri, 20 Jul 2012 01:03:36 +0200, Philippe Waroquiers wrote: > The Valgrind gdbserver is handling Z0 and Z1 packets to insert > breakpoints. So, GDB inserts a breakpoint on the stack using > a Z0 packet. However, from what I can see, no 0xcc instruction > has been written on the stack by GDB. The Z0 packet instructs gdbserver to put 0xcc there, linux-x86-low.c:x86_breakpoint. gdbserver does it. Thanks, Jan