[PATCHv3 03/13] scripts/gdb: Convert modules usage to lists functions

From: Kieran Bingham
Date: Thu Mar 03 2016 - 06:47:47 EST


Simplify the module list functions with the new list_for_each_entry
abstractions

Signed-off-by: Kieran Bingham <kieran.bingham@xxxxxxxxxx>
---
scripts/gdb/linux/modules.py | 17 ++++++-----------
1 file changed, 6 insertions(+), 11 deletions(-)

diff --git a/scripts/gdb/linux/modules.py b/scripts/gdb/linux/modules.py
index 25db8cff44a2..571489b3b9c2 100644
--- a/scripts/gdb/linux/modules.py
+++ b/scripts/gdb/linux/modules.py
@@ -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):
@@ -79,17 +76,15 @@ class LxLsmod(gdb.Command):
size=str(module['core_size']),
ref=str(module['refcnt']['counter'])))

- 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")


--
2.5.0