scripts/gdb: add internal helper and convenience function to look up a module

            return utils.container_of(entry, self.module_ptr_type, "list")

        else:

            raise StopIteration

def find_module_by_name(name):

    for module in ModuleList():

        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()

else:

    import linux.utils

    import linux.symbols

    import linux.modules