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author | Jan Kiszka <jan.kiszka@siemens.com> | 2015-02-17 22:46:44 +0100 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-02-17 23:34:53 +0100 |
commit | 850202e17df68c51593bab36a26c8d9279f8c029 (patch) | |
tree | 3eacbf7e18cb4abe38c3ef57b3a5b13317862e00 /scripts | |
parent | scripts/gdb: add container_of helper and convenience function (diff) | |
download | linux-850202e17df68c51593bab36a26c8d9279f8c029.tar.xz linux-850202e17df68c51593bab36a26c8d9279f8c029.zip |
scripts/gdb: add module iteration class
Will soon be used for loading symbols, printing global variables or
listing modules.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Jason Wessel <jason.wessel@windriver.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Ben Widawsky <ben@bwidawsk.net>
Cc: Borislav Petkov <bp@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'scripts')
-rw-r--r-- | scripts/gdb/linux/modules.py | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/scripts/gdb/linux/modules.py b/scripts/gdb/linux/modules.py new file mode 100644 index 000000000000..8a65c3d5eecb --- /dev/null +++ b/scripts/gdb/linux/modules.py @@ -0,0 +1,39 @@ +# +# gdb helper commands and functions for Linux kernel debugging +# +# module tools +# +# Copyright (c) Siemens AG, 2013 +# +# Authors: +# Jan Kiszka <jan.kiszka@siemens.com> +# +# This work is licensed under the terms of the GNU GPL version 2. +# + +import gdb + +from linux import utils + + +module_type = utils.CachedType("struct module") + + +class ModuleList: + def __init__(self): + global module_type + self.module_ptr_type = module_type.get_type().pointer() + modules = gdb.parse_and_eval("modules") + self.curr_entry = modules['next'] + self.end_of_list = modules.address + + def __iter__(self): + return self + + def next(self): + entry = self.curr_entry + if entry != self.end_of_list: + self.curr_entry = entry['next'] + return utils.container_of(entry, self.module_ptr_type, "list") + else: + raise StopIteration |