diff options
Diffstat (limited to 'scripts/gdb/linux/lists.py')
| -rw-r--r-- | scripts/gdb/linux/lists.py | 31 |
1 files changed, 27 insertions, 4 deletions
diff --git a/scripts/gdb/linux/lists.py b/scripts/gdb/linux/lists.py index 2f335fbd86fd..bae4d70b7eae 100644 --- a/scripts/gdb/linux/lists.py +++ b/scripts/gdb/linux/lists.py @@ -16,15 +16,22 @@ 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() elif head.type != list_head.get_type(): - raise gdb.GdbError("Must be struct list_head not {}" + raise TypeError("Must be struct list_head not {}" .format(head.type)) + if head['next'] == 0: + gdb.write("list_for_each: Uninitialized list '{}' treated as empty\n" + .format(head.address)) + return + node = head['next'].dereference() while node.address != head.address: yield node.address @@ -33,9 +40,24 @@ def list_for_each(head): def list_for_each_entry(head, gdbtype, member): for node in list_for_each(head): - if node.type != list_head.get_type().pointer(): - 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 TypeError("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): yield utils.container_of(node, gdbtype, member) @@ -110,4 +132,5 @@ class LxListChk(gdb.Command): raise gdb.GdbError("lx-list-check takes one argument") list_check(gdb.parse_and_eval(argv[0])) + LxListChk() |