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scripts/gdb: convert modules usage to lists functions

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Simplify the module list functions with the new list_for_each_entry
abstractions

Link: http://lkml.kernel.org/r/ad0101c9391088608166fcec26af179868973d86.1462865983.git.jan.kiszka@siemens.com
Signed-off-by: Kieran Bingham <kieran.bingham@linaro.org>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Kieran Bingham 2016-05-23 16:24:45 -07:00 committed by Linus Torvalds
parent a84be61d0e
commit 619ccaf3e9
1 changed files with 6 additions and 11 deletions
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17
scripts/gdb/linux/modules.py
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@ -13,7 +13,7 @@
import gdb
from linux import cpus, utils
from linux import cpus, utils, lists
module_type = utils.CachedType("struct module")
@ -23,12 +23,9 @@ def module_list():
global module_type
module_ptr_type = module_type.get_type().pointer()
modules = gdb.parse_and_eval("modules")
entry = modules['next']
end_of_list = modules.address
while entry != end_of_list:
yield utils.container_of(entry, module_ptr_type, "list")
entry = entry['next']
for module in lists.list_for_each_entry(modules, module_ptr_type, "list"):
yield module
def find_module_by_name(name):
@ -80,17 +77,15 @@ class LxLsmod(gdb.Command):
size=str(layout['size']),
ref=str(module['refcnt']['counter'] - 1)))
source_list = module['source_list']
t = self._module_use_type.get_type().pointer()
entry = source_list['next']
first = True
while entry != source_list.address:
use = utils.container_of(entry, t, "source_list")
sources = module['source_list']
for use in lists.list_for_each_entry(sources, t, "source_list"):
gdb.write("{separator}{name}".format(
separator=" " if first else ",",
name=use['source']['name'].string()))
first = False
entry = entry['next']
gdb.write("\n")