From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 29061 invoked by alias); 16 Jul 2010 18:54:35 -0000 Received: (qmail 29053 invoked by uid 22791); 16 Jul 2010 18:54:34 -0000 X-SWARE-Spam-Status: No, hits=-1.5 required=5.0 tests=AWL,BAYES_05,T_RP_MATCHES_RCVD X-Spam-Check-By: sourceware.org Received: from e24smtp04.br.ibm.com (HELO e24smtp04.br.ibm.com) (32.104.18.25) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Fri, 16 Jul 2010 18:54:30 +0000 Received: from mailhub3.br.ibm.com (mailhub3.br.ibm.com [9.18.232.110]) by e24smtp04.br.ibm.com (8.14.4/8.13.1) with ESMTP id o6GIqKXS009919 for ; Fri, 16 Jul 2010 15:52:20 -0300 Received: from d24av04.br.ibm.com (d24av04.br.ibm.com [9.8.31.97]) by mailhub3.br.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id o6GIxPwF1810518 for ; Fri, 16 Jul 2010 15:59:25 -0300 Received: from d24av04.br.ibm.com (loopback [127.0.0.1]) by d24av04.br.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id o6GIsQp9004495 for ; Fri, 16 Jul 2010 15:54:26 -0300 Received: from [9.18.203.163] ([9.18.203.163]) by d24av04.br.ibm.com (8.14.4/8.13.1/NCO v10.0 AVin) with ESMTP id o6GIsPQB004481 for ; Fri, 16 Jul 2010 15:54:25 -0300 Subject: [7.2][RFA] Mention new booke features in the NEWS file From: Thiago Jung Bauermann To: gdb-patches ml Content-Type: multipart/mixed; boundary="=-BP840+o1ZH+rtBXTMK1b" Date: Fri, 16 Jul 2010 18:54:00 -0000 Message-ID: <1279306465.14577.46.camel@hactar> Mime-Version: 1.0 X-IsSubscribed: yes Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org X-SW-Source: 2010-07/txt/msg00248.txt.bz2 --=-BP840+o1ZH+rtBXTMK1b Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Content-length: 384 Hi, I'd like to mention support for the new Linux ptrace interface on PowerPC which enables hardware debug features in BookE processors. Ok? -- []'s Thiago Jung Bauermann IBM Linux Technology Center 2010-07-16 Thiago Jung Bauermann * NEWS: Mention support for the new ptrace interface and hardware accelerated watchpoint conditions on powerpc-linux. --=-BP840+o1ZH+rtBXTMK1b Content-Disposition: attachment; filename="news.diff" Content-Type: text/x-patch; name="news.diff"; charset="UTF-8" Content-Transfer-Encoding: 7bit Content-length: 975 diff --git a/gdb/NEWS b/gdb/NEWS index 77c55de..e725a19 100644 --- a/gdb/NEWS +++ b/gdb/NEWS @@ -221,6 +221,21 @@ ARM Symbian arm*-*-symbianelf* GDB now supports debugging programs written in the D programming language. +* GDB now supports the extended ptrace interface for PowerPC which is + available since Linux kernel version 2.6.34. This automatically enables + any hardware breakpoints and additional hardware watchpoints available in + the processor. The old ptrace interface exposes just one hardware + watchpoint and no hardware breakpoint. + +* GDB is now able to use the Data Value Compare (DVC) register available on + embedded PowerPC processors to implement in hardware simple watchpoint + conditions of the form: + + watch ADDRESS|VARIABLE if ADDRESS|VARIABLE == CONSTANT EXPRESSION + + This works on native GDB running on Linux kernels with the extended ptrace + interface mentioned above. + *** Changes in GDB 7.1 * C++ Improvements --=-BP840+o1ZH+rtBXTMK1b--