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Subject[PATCH v12 04/28] scripts/gdb: Add module iteration class
Date
Will soon be used for loading symbols, printing global variables or
listing modules.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
---
scripts/gdb/linux/modules.py | 39 +++++++++++++++++++++++++++++++++++++++
1 file changed, 39 insertions(+)
create mode 100644 scripts/gdb/linux/modules.py

diff --git a/scripts/gdb/linux/modules.py b/scripts/gdb/linux/modules.py
new file mode 100644
index 0000000..8a65c3d
--- /dev/null
+++ b/scripts/gdb/linux/modules.py
@@ -0,0 +1,39 @@
+#
+# gdb helper commands and functions for Linux kernel debugging
+#
+# module tools
+#
+# Copyright (c) Siemens AG, 2013
+#
+# Authors:
+# Jan Kiszka <jan.kiszka@siemens.com>
+#
+# This work is licensed under the terms of the GNU GPL version 2.
+#
+
+import gdb
+
+from linux import utils
+
+
+module_type = utils.CachedType("struct module")
+
+
+class ModuleList:
+ def __init__(self):
+ global module_type
+ self.module_ptr_type = module_type.get_type().pointer()
+ modules = gdb.parse_and_eval("modules")
+ self.curr_entry = modules['next']
+ self.end_of_list = modules.address
+
+ def __iter__(self):
+ return self
+
+ def next(self):
+ entry = self.curr_entry
+ if entry != self.end_of_list:
+ self.curr_entry = entry['next']
+ return utils.container_of(entry, self.module_ptr_type, "list")
+ else:
+ raise StopIteration
--
2.1.4


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