summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--scripts/gdb/linux/utils.py34
1 files changed, 34 insertions, 0 deletions
diff --git a/scripts/gdb/linux/utils.py b/scripts/gdb/linux/utils.py
new file mode 100644
index 0000000..f883611
--- /dev/null
+++ b/scripts/gdb/linux/utils.py
@@ -0,0 +1,34 @@
+#
+# gdb helper commands and functions for Linux kernel debugging
+#
+# common utilities
+#
+# Copyright (c) Siemens AG, 2011-2013
+#
+# Authors:
+# Jan Kiszka <jan.kiszka@siemens.com>
+#
+# This work is licensed under the terms of the GNU GPL version 2.
+#
+
+import gdb
+
+
+class CachedType:
+ def __init__(self, name):
+ self._type = None
+ self._name = name
+
+ def _new_objfile_handler(self, event):
+ self._type = None
+ gdb.events.new_objfile.disconnect(self._new_objfile_handler)
+
+ def get_type(self):
+ if self._type is None:
+ self._type = gdb.lookup_type(self._name)
+ if self._type is None:
+ raise gdb.GdbError(
+ "cannot resolve type '{0}'".format(self._name))
+ if hasattr(gdb, 'events') and hasattr(gdb.events, 'new_objfile'):
+ gdb.events.new_objfile.connect(self._new_objfile_handler)
+ return self._type
OpenPOWER on IntegriCloud