The patch titled
Subject: scripts/gdb: add hlist utilities
has been added to the -mm tree. Its filename is
scripts-gdb-add-hlist-utilities.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/scripts-gdb-add-hlist-utilities.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/scripts-gdb-add-hlist-utilities.patch
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------------------------------------------------------
From: Leonard Crestez <leonard.crestez@xxxxxxx>
Subject: scripts/gdb: add hlist utilities
This allows easily examining kernel hlists in python.
Link: http://lkml.kernel.org/r/Message-ID:
Signed-off-by: Leonard Crestez <leonard.crestez@xxxxxxx>
Cc: Stephen Boyd <swboyd@xxxxxxxxxxxx>
Cc: Jason Wessel <jason.wessel@xxxxxxxxxxxxx>
Cc: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
Cc: Kieran Bingham <kbingham@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
scripts/gdb/linux/lists.py | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
--- a/scripts/gdb/linux/lists.py~scripts-gdb-add-hlist-utilities
+++ a/scripts/gdb/linux/lists.py
@@ -16,6 +16,8 @@ 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):
@@ -38,6 +40,27 @@ def list_for_each_entry(head, gdbtype, m
.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
_
Patches currently in -mm which might be from leonard.crestez@xxxxxxx are
scripts-gdb-add-hlist-utilities.patch
scripts-gdb-initial-clk-support-lx-clk-summary.patch
scripts-gdb-add-lx_clk_core_lookup-function.patch
