Messages in this thread | | | Subject | Re: [PATCH 2/5] scripts/gdb: Provide a kernel list item generator | From | Jan Kiszka <> | Date | Sat, 23 Jan 2016 16:08:56 +0100 |
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On 2016-01-20 12:15, Kieran Bingham wrote: > Facilitate linked-list items by providing a generator to return > the dereferenced, and type-cast objects from a kernel linked list > > Signed-off-by: Kieran Bingham <kieran.bingham@linaro.org> > --- > > This is quite a useful wrapper to faciliate looping on lists. > It is sort of equivalent to the list_for_each_entry macro. > > Let me know if it should be renamed, or live elsewhere.
Location is fine. Maybe call it list_items?
> > scripts/gdb/linux/lists.py | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/scripts/gdb/linux/lists.py b/scripts/gdb/linux/lists.py > index 3a3775bc162b..d2c6ce165cb1 100644 > --- a/scripts/gdb/linux/lists.py > +++ b/scripts/gdb/linux/lists.py > @@ -18,6 +18,15 @@ from linux import utils > list_head = utils.CachedType("struct list_head") > > > +def items(list_type, list_location, item_list): > + """items Generator return items from a kernel linked list""" > + item_list_head = item_list > + next_item = item_list_head['next'].dereference() > + while next_item != item_list_head: > + yield utils.container_of(next_item, list_type, list_location) > + next_item = next_item['next'].dereference() > + > + > def list_check(head): > nb = 0 > if (head.type == list_head.get_type().pointer()): >
Could you apply it on existing list iterations? module_list() seems like a candidate, e.g.
Jan
-- Siemens AG, Corporate Technology, CT RDA ITP SES-DE Corporate Competence Center Embedded Linux
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