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SubjectRe: [PATCH 2/5] scripts/gdb: Provide a kernel list item generator
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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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