v4.19.13 snapshot.
diff --git a/scripts/gdb/linux/modules.py b/scripts/gdb/linux/modules.py
new file mode 100644
index 0000000..441b232
--- /dev/null
+++ b/scripts/gdb/linux/modules.py
@@ -0,0 +1,95 @@
+#
+# 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 cpus, utils, lists
+
+
+module_type = utils.CachedType("struct module")
+
+
+def module_list():
+ global module_type
+ modules = utils.gdb_eval_or_none("modules")
+ if modules is None:
+ return
+
+ module_ptr_type = module_type.get_type().pointer()
+
+ for module in lists.list_for_each_entry(modules, module_ptr_type, "list"):
+ yield module
+
+
+def find_module_by_name(name):
+ for module in module_list():
+ if module['name'].string() == name:
+ return module
+ return None
+
+
+class LxModule(gdb.Function):
+ """Find module by name and return the module variable.
+
+$lx_module("MODULE"): Given the name MODULE, iterate over all loaded modules
+of the target and return that module variable which MODULE matches."""
+
+ def __init__(self):
+ super(LxModule, self).__init__("lx_module")
+
+ def invoke(self, mod_name):
+ mod_name = mod_name.string()
+ module = find_module_by_name(mod_name)
+ if module:
+ return module.dereference()
+ else:
+ raise gdb.GdbError("Unable to find MODULE " + mod_name)
+
+
+LxModule()
+
+
+class LxLsmod(gdb.Command):
+ """List currently loaded modules."""
+
+ _module_use_type = utils.CachedType("struct module_use")
+
+ def __init__(self):
+ super(LxLsmod, self).__init__("lx-lsmod", gdb.COMMAND_DATA)
+
+ def invoke(self, arg, from_tty):
+ gdb.write(
+ "Address{0} Module Size Used by\n".format(
+ " " if utils.get_long_type().sizeof == 8 else ""))
+
+ for module in module_list():
+ layout = module['core_layout']
+ gdb.write("{address} {name:<19} {size:>8} {ref}".format(
+ address=str(layout['base']).split()[0],
+ name=module['name'].string(),
+ size=str(layout['size']),
+ ref=str(module['refcnt']['counter'] - 1)))
+
+ t = self._module_use_type.get_type().pointer()
+ first = True
+ sources = module['source_list']
+ for use in lists.list_for_each_entry(sources, t, "source_list"):
+ gdb.write("{separator}{name}".format(
+ separator=" " if first else ",",
+ name=use['source']['name'].string()))
+ first = False
+
+ gdb.write("\n")
+
+
+LxLsmod()