diff options
| -rw-r--r-- | scripts/gdb/linux/modules.py | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/scripts/gdb/linux/modules.py b/scripts/gdb/linux/modules.py index f76a43bfa15f..298dfcc25eae 100644 --- a/scripts/gdb/linux/modules.py +++ b/scripts/gdb/linux/modules.py @@ -97,5 +97,35 @@ class LxLsmod(gdb.Command): gdb.write("\n") - LxLsmod() + +def help(): + t = """Usage: lx-getmod-by-textaddr [Heximal Address] + Example: lx-getmod-by-textaddr 0xffff800002d305ac\n""" + gdb.write("Unrecognized command\n") + raise gdb.GdbError(t) + +class LxFindTextAddrinMod(gdb.Command): + '''Look up loaded kernel module by text address.''' + + def __init__(self): + super(LxFindTextAddrinMod, self).__init__('lx-getmod-by-textaddr', gdb.COMMAND_SUPPORT) + + def invoke(self, arg, from_tty): + args = gdb.string_to_argv(arg) + + if len(args) != 1: + help() + + addr = gdb.Value(int(args[0], 16)).cast(utils.get_ulong_type()) + for mod in module_list(): + mod_text_start = mod['mem'][constants.LX_MOD_TEXT]['base'] + mod_text_end = mod_text_start + mod['mem'][constants.LX_MOD_TEXT]['size'].cast(utils.get_ulong_type()) + + if addr >= mod_text_start and addr < mod_text_end: + s = "0x%x" % addr + " is in " + mod['name'].string() + ".ko\n" + gdb.write(s) + return + gdb.write("0x%x is not in any module text section\n" % addr) + +LxFindTextAddrinMod() |