acpi/acpica/nsobject.c

21  *              object              - Object to be attached
22  *              type                - Type of object, or ACPI_TYPE_ANY if not
27  * DESCRIPTION: Record the given object as the value associated with the
38 		      union acpi_operand_object *object, acpi_object_type type)
57 	if (!object && (ACPI_TYPE_ANY != type)) {
59 		/* Null object */
62 			    "Null object, but type not ACPI_TYPE_ANY"));
75 	/* Check if this object is already attached */
77 	if (node->object == object) {
80 				  object, node));
85 	/* If null object, we will just install it */
87 	if (!object) {
93 	 * If the source object is a namespace Node with an attached object,
94 	 * we will use that (attached) object
96 	else if ((ACPI_GET_DESCRIPTOR_TYPE(object) == ACPI_DESC_TYPE_NAMED) &&
97 		 ((struct acpi_namespace_node *)object)->object) {
102 		obj_desc = ((struct acpi_namespace_node *)object)->object;
103 		object_type = ((struct acpi_namespace_node *)object)->type;
107 	 * Otherwise, we will use the parameter object, but we must type
111 		obj_desc = (union acpi_operand_object *)object;
121 	/* Detach an existing attached object if present */
123 	if (node->object) {
130 		 * (if it is an internal object)
143 		/* Install the object at the front of the object list */
145 		last_obj_desc->common.next_object = node->object;
149 	node->object = obj_desc;
158  * PARAMETERS:  node           - A Namespace node whose object will be detached
162  * DESCRIPTION: Detach/delete an object associated with a namespace node.
163  *              if the object is an allocated object, it is freed.
174 	obj_desc = node->object;
195 	node->object = NULL;
198 		/* Unlink object from front of possible object list */
200 		node->object = obj_desc->common.next_object;
202 		/* Handle possible 2-descriptor object */
204 		if (node->object &&
205 		    (node->object->common.type != ACPI_TYPE_LOCAL_DATA)) {
206 			node->object = node->object->common.next_object;
210 		 * Detach the object from any data objects (which are still held by
227 	/* Remove one reference on the object (and all subobjects) */
239  * RETURN:      Current value of the object field from the Node whose
242  * DESCRIPTION: Obtain the object attached to a namespace node.
257 	if (!node->object ||
258 	    ((ACPI_GET_DESCRIPTOR_TYPE(node->object) != ACPI_DESC_TYPE_OPERAND)
259 	     && (ACPI_GET_DESCRIPTOR_TYPE(node->object) !=
261 	    || ((node->object)->common.type == ACPI_TYPE_LOCAL_DATA)) {
265 	return_PTR(node->object);
274  * RETURN:      Current value of the object field from the Node whose
277  * DESCRIPTION: Obtain a secondary object associated with a namespace node.
308  * DESCRIPTION: Low-level attach data. Create and attach a Data object.
323 	obj_desc = node->object;
334 	/* Create an internal object for the data */
344 	/* Install the data object */
349 		node->object = data_desc;
377 	obj_desc = node->object;
385 				node->object = obj_desc->common.next_object;
420 	obj_desc = node->object;