Commit 850202e1 authored by Jan Kiszka's avatar Jan Kiszka Committed by Linus Torvalds

scripts/gdb: add module iteration class

Will soon be used for loading symbols, printing global variables or
listing modules.
Signed-off-by: Jan Kiszka's avatarJan 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: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent b0fecd8c
#
# 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
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