From patchwork Mon Jan 11 10:47:42 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jan Kiszka X-Patchwork-Id: 59456 Delivered-To: patch@linaro.org Received: by 10.112.130.2 with SMTP id oa2csp2047156lbb; Mon, 11 Jan 2016 03:26:20 -0800 (PST) X-Received: by 10.98.68.152 with SMTP id m24mr25289990pfi.78.1452511580831; Mon, 11 Jan 2016 03:26:20 -0800 (PST) Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id fn1si41201795pad.82.2016.01.11.03.26.20; Mon, 11 Jan 2016 03:26:20 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932592AbcAKL0T (ORCPT + 29 others); Mon, 11 Jan 2016 06:26:19 -0500 Received: from david.siemens.de ([192.35.17.14]:44544 "EHLO david.siemens.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932443AbcAKL0R (ORCPT ); Mon, 11 Jan 2016 06:26:17 -0500 Received: from mail3.siemens.de (mail3.siemens.de [139.25.208.14]) by david.siemens.de (8.15.2/8.15.2) with ESMTPS id u0BAliTb005361 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 11 Jan 2016 11:47:44 +0100 Received: from md1f2u6c.ww002.siemens.net.net ([139.25.68.37]) by mail3.siemens.de (8.15.1/8.15.1) with ESMTP id u0BAliHt019882; Mon, 11 Jan 2016 11:47:44 +0100 From: Jan Kiszka To: Andrew Morton Cc: linux-kernel@vger.kernel.org, Kieran Bingham Subject: [PATCH 1/2] scripts/gdb: Add version command Date: Mon, 11 Jan 2016 11:47:42 +0100 Message-Id: <6b2026a056b84349936482caf77d3ccf6b75f23c.1452509263.git.jan.kiszka@siemens.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Kieran Bingham lx-version Report the Linux Version of the current kernel. Add a command to identify the version specified by the banner in the debugged kernel. This lets the user identify the kernel of the running kernel, and will let later scripts compare the banner of the attached kernel against the banner in the vmlinux symbols files to verify that the files are correct. Signed-off-by: Kieran Bingham [Jan: remove blank line from help output and fix pep8 warning] Signed-off-by: Jan Kiszka --- scripts/gdb/linux/proc.py | 28 ++++++++++++++++++++++++++++ scripts/gdb/vmlinux-gdb.py | 1 + 2 files changed, 29 insertions(+) create mode 100644 scripts/gdb/linux/proc.py -- 2.1.4 diff --git a/scripts/gdb/linux/proc.py b/scripts/gdb/linux/proc.py new file mode 100644 index 0000000..8a733dd --- /dev/null +++ b/scripts/gdb/linux/proc.py @@ -0,0 +1,28 @@ +# +# gdb helper commands and functions for Linux kernel debugging +# +# Kernel proc information reader +# +# Copyright (c) 2016 Linaro Ltd +# +# Authors: +# Kieran Bingham +# +# This work is licensed under the terms of the GNU GPL version 2. +# + +import gdb + + +class LxVersion(gdb.Command): + """ Report the Linux Version of the current kernel. + Equivalent to cat /proc/version on a running target""" + + def __init__(self): + super(LxVersion, self).__init__("lx-version", gdb.COMMAND_DATA) + + def invoke(self, arg, from_tty): + # linux_banner should contain a newline + gdb.write(gdb.parse_and_eval("linux_banner").string()) + +LxVersion() diff --git a/scripts/gdb/vmlinux-gdb.py b/scripts/gdb/vmlinux-gdb.py index ce82bf5..d5943ec 100644 --- a/scripts/gdb/vmlinux-gdb.py +++ b/scripts/gdb/vmlinux-gdb.py @@ -29,3 +29,4 @@ else: import linux.tasks import linux.cpus import linux.lists + import linux.proc