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Date: Mon, 11 Jan 2016 11:47:42 +0100 From: Jan Kiszka <jan.kiszka@...mens.com> To: Andrew Morton <akpm@...ux-foundation.org> Cc: linux-kernel@...r.kernel.org, Kieran Bingham <kieran.bingham@...aro.org> Subject: [PATCH 1/2] scripts/gdb: Add version command From: Kieran Bingham <kieran.bingham@...aro.org> 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 <kieran.bingham@...aro.org> [Jan: remove blank line from help output and fix pep8 warning] Signed-off-by: Jan Kiszka <jan.kiszka@...mens.com> --- 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 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 <kieran.bingham@...aro.org> +# +# 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 -- 2.1.4
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