scripts/gdb/linux/proc.py

   1 #
   2 # gdb helper commands and functions for Linux kernel debugging
   3 #
   4 #  Kernel proc information reader
   5 #
   6 # Copyright (c) 2016 Linaro Ltd
   7 #
   8 # Authors:
   9 #  Kieran Bingham <kieran.bingham@linaro.org>
  10 #
  11 # This work is licensed under the terms of the GNU GPL version 2.
  12 #
  13
  14 import gdb
  15
  16
  17 class LxCmdLine(gdb.Command):
  18     """ Report the Linux Commandline used in the current kernel.
  19         Equivalent to cat /proc/cmdline on a running target"""
  20
  21     def __init__(self):
  22         super(LxCmdLine, self).__init__("lx-cmdline", gdb.COMMAND_DATA)
  23
  24     def invoke(self, arg, from_tty):
  25         gdb.write(gdb.parse_and_eval("saved_command_line").string() + "\n")
  26
  27 LxCmdLine()
  28
  29
  30 class LxVersion(gdb.Command):
  31     """ Report the Linux Version of the current kernel.
  32         Equivalent to cat /proc/version on a running target"""
  33
  34     def __init__(self):
  35         super(LxVersion, self).__init__("lx-version", gdb.COMMAND_DATA)
  36
  37     def invoke(self, arg, from_tty):
  38         # linux_banner should contain a newline
  39         gdb.write(gdb.parse_and_eval("linux_banner").string())
  40
  41 LxVersion()