Messages in this thread Patch in this message | | | From | Leonard Crestez <> | Subject | [PATCH 1/3] scripts/gdb: Add hlist utilities | Date | Mon, 22 Apr 2019 08:26:56 +0000 |
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This allows easily examining kernel hlists in python.
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com> --- scripts/gdb/linux/lists.py | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+)
diff --git a/scripts/gdb/linux/lists.py b/scripts/gdb/linux/lists.py index 1987d756b36b..55356b66f8ea 100644 --- a/scripts/gdb/linux/lists.py +++ b/scripts/gdb/linux/lists.py @@ -14,10 +14,12 @@ import gdb from linux import utils list_head = utils.CachedType("struct list_head") +hlist_head = utils.CachedType("struct hlist_head") +hlist_node = utils.CachedType("struct hlist_node") def list_for_each(head): if head.type == list_head.get_type().pointer(): head = head.dereference() @@ -37,10 +39,31 @@ def list_for_each_entry(head, gdbtype, member): raise TypeError("Type {} found. Expected struct list_head *." .format(node.type)) yield utils.container_of(node, gdbtype, member) +def hlist_for_each(head): + if head.type == hlist_head.get_type().pointer(): + head = head.dereference() + elif head.type != hlist_head.get_type(): + raise gdb.GdbError("Must be struct hlist_head not {}" + .format(head.type)) + + node = head['first'].dereference() + while node.address: + yield node.address + node = node['next'].dereference() + + +def hlist_for_each_entry(head, gdbtype, member): + for node in hlist_for_each(head): + if node.type != hlist_node.get_type().pointer(): + raise TypeError("Type {} found. Expected struct hlist_head *." + .format(node.type)) + yield utils.container_of(node, gdbtype, member) + + def list_check(head): nb = 0 if (head.type == list_head.get_type().pointer()): head = head.dereference() elif (head.type != list_head.get_type()): -- 2.17.1
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