From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 1681 invoked by alias); 17 Aug 2010 19:40:51 -0000 Received: (qmail 1671 invoked by uid 22791); 17 Aug 2010 19:40:50 -0000 X-SWARE-Spam-Status: No, hits=-1.6 required=5.0 tests=AWL,BAYES_00,T_RP_MATCHES_RCVD X-Spam-Check-By: sourceware.org Received: from e24smtp01.br.ibm.com (HELO e24smtp01.br.ibm.com) (32.104.18.85) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Tue, 17 Aug 2010 19:40:45 +0000 Received: from d24relay01.br.ibm.com (d24relay01.br.ibm.com [9.8.31.16]) by e24smtp01.br.ibm.com (8.14.4/8.13.1) with ESMTP id o7HJlMol006129 for ; Tue, 17 Aug 2010 16:47:22 -0300 Received: from d24av01.br.ibm.com (d24av01.br.ibm.com [9.8.31.91]) by d24relay01.br.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id o7HJeOm42666564 for ; Tue, 17 Aug 2010 16:40:24 -0300 Received: from d24av01.br.ibm.com (loopback [127.0.0.1]) by d24av01.br.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id o7HJeTbM002462 for ; Tue, 17 Aug 2010 16:40:29 -0300 Received: from [9.78.145.3] ([9.78.145.3]) by d24av01.br.ibm.com (8.14.4/8.13.1/NCO v10.0 AVin) with ESMTP id o7HJeTj3002445 for ; Tue, 17 Aug 2010 16:40:29 -0300 Subject: [doc] Mention accelerated watchpoint conditions in the gdb manual From: Thiago Jung Bauermann To: gdb-patches ml Content-Type: text/plain; charset="UTF-8" Date: Tue, 17 Aug 2010 19:40:00 -0000 Message-ID: <1282074039.2606.699.camel@hactar> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit 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: 2010-08/txt/msg00273.txt.bz2 Hi, I mentioned this feature in the NEWS file but I just realized that it would be useful to mention in the manual too. Ok to apply? For the branch too? -- []'s Thiago Jung Bauermann IBM Linux Technology Center 2010-08-17 Thiago Jung Bauermann * gdb.texinfo (PowerPC Embedded): Mention support for the DVC register. Index: gdb.git/gdb/doc/gdb.texinfo =================================================================== --- gdb.git.orig/gdb/doc/gdb.texinfo 2010-08-17 12:22:56.000000000 -0300 +++ gdb.git/gdb/doc/gdb.texinfo 2010-08-17 12:30:34.000000000 -0300 @@ -18472,6 +18472,17 @@ Set suspend trace mode. @node PowerPC Embedded @subsection PowerPC Embedded +@value{GDBN} supports using the DVC (Data Value Compare) register to +implement in hardware simple hardware watchpoint conditions of the form: + +@smallexample +(@value{GDBP}) watch @var{ADDRESS|VARIABLE} if @var{ADDRESS|VARIABLE} == @var{CONSTANT EXPRESSION} +@end smallexample + +The DVC register will be automatically used whenever @value{GDBN} detects +such pattern in a condition expression. This feature is available in native +@value{GDBN} running on a Linux kernel version 2.6.34 or newer. + @value{GDBN} provides the following PowerPC-specific commands: @table @code