diff options
| -rw-r--r-- | include/qom/object.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/include/qom/object.h b/include/qom/object.h index 9a2369c67b..dc73d59660 100644 --- a/include/qom/object.h +++ b/include/qom/object.h @@ -79,6 +79,28 @@ typedef struct InterfaceInfo InterfaceInfo; * #TypeInfo describes information about the type including what it inherits * from, the instance and class size, and constructor/destructor hooks. * + * Alternatively several static types could be registered using helper macro + * DEFINE_TYPES() + * + * <example> + * <programlisting> + * static const TypeInfo device_types_info[] = { + * { + * .name = TYPE_MY_DEVICE_A, + * .parent = TYPE_DEVICE, + * .instance_size = sizeof(MyDeviceA), + * }, + * { + * .name = TYPE_MY_DEVICE_B, + * .parent = TYPE_DEVICE, + * .instance_size = sizeof(MyDeviceB), + * }, + * }; + * + * DEFINE_TYPES(device_types_info) + * </programlisting> + * </example> + * * Every type has an #ObjectClass associated with it. #ObjectClass derivatives * are instantiated dynamically but there is only ever one instance for any * given type. The #ObjectClass typically holds a table of function pointers @@ -799,6 +821,20 @@ Type type_register(const TypeInfo *info); void type_register_static_array(const TypeInfo *infos, int nr_infos); /** + * DEFINE_TYPES: + * @type_array: The array containing #TypeInfo structures to register + * + * @type_array should be static constant that exists for the life time + * that the type is registered. + */ +#define DEFINE_TYPES(type_array) \ +static void do_qemu_init_ ## type_array(void) \ +{ \ + type_register_static_array(type_array, ARRAY_SIZE(type_array)); \ +} \ +type_init(do_qemu_init_ ## type_array) + +/** * object_class_dynamic_cast_assert: * @klass: The #ObjectClass to attempt to cast. * @typename: The QOM typename of the class to cast to. |