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Staging: strip: delete the driver
[linux/fpc-iii.git] / drivers / acpi / acpica / dsmthdat.c
blobcc343b959540a6ecb7631daec5d921a2213fde76
1 /*******************************************************************************
2 *
3 * Module Name: dsmthdat - control method arguments and local variables
4 *
5 ******************************************************************************/
6
7 /*
8 * Copyright (C) 2000 - 2010, Intel Corp.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, and the following disclaimer,
16 * without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 * substantially similar to the "NO WARRANTY" disclaimer below
19 * ("Disclaimer") and any redistribution must be conditioned upon
20 * including a substantially similar Disclaimer requirement for further
21 * binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
29 *
30 * NO WARRANTY
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGES.
42 */
43
44 #include <acpi/acpi.h>
45 #include "accommon.h"
46 #include "acdispat.h"
47 #include "acnamesp.h"
48 #include "acinterp.h"
49
50 #define _COMPONENT ACPI_DISPATCHER
51 ACPI_MODULE_NAME("dsmthdat")
52
53 /* Local prototypes */
54 static void
55 acpi_ds_method_data_delete_value(u8 type,
56 u32 index, struct acpi_walk_state *walk_state);
57
58 static acpi_status
59 acpi_ds_method_data_set_value(u8 type,
60 u32 index,
61 union acpi_operand_object *object,
62 struct acpi_walk_state *walk_state);
63
64 #ifdef ACPI_OBSOLETE_FUNCTIONS
65 acpi_object_type
66 acpi_ds_method_data_get_type(u16 opcode,
67 u32 index, struct acpi_walk_state *walk_state);
68 #endif
69
70 /*******************************************************************************
71 *
72 * FUNCTION: acpi_ds_method_data_init
73 *
74 * PARAMETERS: walk_state - Current walk state object
75 *
76 * RETURN: Status
77 *
78 * DESCRIPTION: Initialize the data structures that hold the method's arguments
79 * and locals. The data struct is an array of namespace nodes for
80 * each - this allows ref_of and de_ref_of to work properly for these
81 * special data types.
82 *
83 * NOTES: walk_state fields are initialized to zero by the
84 * ACPI_ALLOCATE_ZEROED().
85 *
86 * A pseudo-Namespace Node is assigned to each argument and local
87 * so that ref_of() can return a pointer to the Node.
88 *
89 ******************************************************************************/
90
91 void acpi_ds_method_data_init(struct acpi_walk_state *walk_state)
92 {
93 u32 i;
94
95 ACPI_FUNCTION_TRACE(ds_method_data_init);
96
97 /* Init the method arguments */
98
99 for (i = 0; i < ACPI_METHOD_NUM_ARGS; i++) {
100 ACPI_MOVE_32_TO_32(&walk_state->arguments[i].name,
101 NAMEOF_ARG_NTE);
102 walk_state->arguments[i].name.integer |= (i << 24);
103 walk_state->arguments[i].descriptor_type = ACPI_DESC_TYPE_NAMED;
104 walk_state->arguments[i].type = ACPI_TYPE_ANY;
105 walk_state->arguments[i].flags =
106 ANOBJ_END_OF_PEER_LIST | ANOBJ_METHOD_ARG;
107 }
108
109 /* Init the method locals */
110
111 for (i = 0; i < ACPI_METHOD_NUM_LOCALS; i++) {
112 ACPI_MOVE_32_TO_32(&walk_state->local_variables[i].name,
113 NAMEOF_LOCAL_NTE);
114
115 walk_state->local_variables[i].name.integer |= (i << 24);
116 walk_state->local_variables[i].descriptor_type =
117 ACPI_DESC_TYPE_NAMED;
118 walk_state->local_variables[i].type = ACPI_TYPE_ANY;
119 walk_state->local_variables[i].flags =
120 ANOBJ_END_OF_PEER_LIST | ANOBJ_METHOD_LOCAL;
121 }
122
123 return_VOID;
124 }
125
126 /*******************************************************************************
127 *
128 * FUNCTION: acpi_ds_method_data_delete_all
129 *
130 * PARAMETERS: walk_state - Current walk state object
131 *
132 * RETURN: None
133 *
134 * DESCRIPTION: Delete method locals and arguments. Arguments are only
135 * deleted if this method was called from another method.
136 *
137 ******************************************************************************/
138
139 void acpi_ds_method_data_delete_all(struct acpi_walk_state *walk_state)
140 {
141 u32 index;
142
143 ACPI_FUNCTION_TRACE(ds_method_data_delete_all);
144
145 /* Detach the locals */
146
147 for (index = 0; index < ACPI_METHOD_NUM_LOCALS; index++) {
148 if (walk_state->local_variables[index].object) {
149 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Deleting Local%d=%p\n",
150 index,
151 walk_state->local_variables[index].
152 object));
153
154 /* Detach object (if present) and remove a reference */
155
156 acpi_ns_detach_object(&walk_state->
157 local_variables[index]);
158 }
159 }
160
161 /* Detach the arguments */
162
163 for (index = 0; index < ACPI_METHOD_NUM_ARGS; index++) {
164 if (walk_state->arguments[index].object) {
165 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Deleting Arg%d=%p\n",
166 index,
167 walk_state->arguments[index].object));
168
169 /* Detach object (if present) and remove a reference */
170
171 acpi_ns_detach_object(&walk_state->arguments[index]);
172 }
173 }
174
175 return_VOID;
176 }
177
178 /*******************************************************************************
179 *
180 * FUNCTION: acpi_ds_method_data_init_args
181 *
182 * PARAMETERS: *Params - Pointer to a parameter list for the method
183 * max_param_count - The arg count for this method
184 * walk_state - Current walk state object
185 *
186 * RETURN: Status
187 *
188 * DESCRIPTION: Initialize arguments for a method. The parameter list is a list
189 * of ACPI operand objects, either null terminated or whose length
190 * is defined by max_param_count.
191 *
192 ******************************************************************************/
193
194 acpi_status
195 acpi_ds_method_data_init_args(union acpi_operand_object **params,
196 u32 max_param_count,
197 struct acpi_walk_state *walk_state)
198 {
199 acpi_status status;
200 u32 index = 0;
201
202 ACPI_FUNCTION_TRACE_PTR(ds_method_data_init_args, params);
203
204 if (!params) {
205 ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
206 "No param list passed to method\n"));
207 return_ACPI_STATUS(AE_OK);
208 }
209
210 /* Copy passed parameters into the new method stack frame */
211
212 while ((index < ACPI_METHOD_NUM_ARGS) &&
213 (index < max_param_count) && params[index]) {
214 /*
215 * A valid parameter.
216 * Store the argument in the method/walk descriptor.
217 * Do not copy the arg in order to implement call by reference
218 */
219 status = acpi_ds_method_data_set_value(ACPI_REFCLASS_ARG, index,
220 params[index],
221 walk_state);
222 if (ACPI_FAILURE(status)) {
223 return_ACPI_STATUS(status);
224 }
225
226 index++;
227 }
228
229 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%d args passed to method\n", index));
230 return_ACPI_STATUS(AE_OK);
231 }
232
233 /*******************************************************************************
234 *
235 * FUNCTION: acpi_ds_method_data_get_node
236 *
237 * PARAMETERS: Type - Either ACPI_REFCLASS_LOCAL or
238 * ACPI_REFCLASS_ARG
239 * Index - Which Local or Arg whose type to get
240 * walk_state - Current walk state object
241 * Node - Where the node is returned.
242 *
243 * RETURN: Status and node
244 *
245 * DESCRIPTION: Get the Node associated with a local or arg.
246 *
247 ******************************************************************************/
248
249 acpi_status
250 acpi_ds_method_data_get_node(u8 type,
251 u32 index,
252 struct acpi_walk_state *walk_state,
253 struct acpi_namespace_node **node)
254 {
255 ACPI_FUNCTION_TRACE(ds_method_data_get_node);
256
257 /*
258 * Method Locals and Arguments are supported
259 */
260 switch (type) {
261 case ACPI_REFCLASS_LOCAL:
262
263 if (index > ACPI_METHOD_MAX_LOCAL) {
264 ACPI_ERROR((AE_INFO,
265 "Local index %d is invalid (max %d)",
266 index, ACPI_METHOD_MAX_LOCAL));
267 return_ACPI_STATUS(AE_AML_INVALID_INDEX);
268 }
269
270 /* Return a pointer to the pseudo-node */
271
272 *node = &walk_state->local_variables[index];
273 break;
274
275 case ACPI_REFCLASS_ARG:
276
277 if (index > ACPI_METHOD_MAX_ARG) {
278 ACPI_ERROR((AE_INFO,
279 "Arg index %d is invalid (max %d)",
280 index, ACPI_METHOD_MAX_ARG));
281 return_ACPI_STATUS(AE_AML_INVALID_INDEX);
282 }
283
284 /* Return a pointer to the pseudo-node */
285
286 *node = &walk_state->arguments[index];
287 break;
288
289 default:
290 ACPI_ERROR((AE_INFO, "Type %d is invalid", type));
291 return_ACPI_STATUS(AE_TYPE);
292 }
293
294 return_ACPI_STATUS(AE_OK);
295 }
296
297 /*******************************************************************************
298 *
299 * FUNCTION: acpi_ds_method_data_set_value
300 *
301 * PARAMETERS: Type - Either ACPI_REFCLASS_LOCAL or
302 * ACPI_REFCLASS_ARG
303 * Index - Which Local or Arg to get
304 * Object - Object to be inserted into the stack entry
305 * walk_state - Current walk state object
306 *
307 * RETURN: Status
308 *
309 * DESCRIPTION: Insert an object onto the method stack at entry Opcode:Index.
310 * Note: There is no "implicit conversion" for locals.
311 *
312 ******************************************************************************/
313
314 static acpi_status
315 acpi_ds_method_data_set_value(u8 type,
316 u32 index,
317 union acpi_operand_object *object,
318 struct acpi_walk_state *walk_state)
319 {
320 acpi_status status;
321 struct acpi_namespace_node *node;
322
323 ACPI_FUNCTION_TRACE(ds_method_data_set_value);
324
325 ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
326 "NewObj %p Type %2.2X, Refs=%d [%s]\n", object,
327 type, object->common.reference_count,
328 acpi_ut_get_type_name(object->common.type)));
329
330 /* Get the namespace node for the arg/local */
331
332 status = acpi_ds_method_data_get_node(type, index, walk_state, &node);
333 if (ACPI_FAILURE(status)) {
334 return_ACPI_STATUS(status);
335 }
336
337 /*
338 * Increment ref count so object can't be deleted while installed.
339 * NOTE: We do not copy the object in order to preserve the call by
340 * reference semantics of ACPI Control Method invocation.
341 * (See ACPI Specification 2.0_c)
342 */
343 acpi_ut_add_reference(object);
344
345 /* Install the object */
346
347 node->object = object;
348 return_ACPI_STATUS(status);
349 }
350
351 /*******************************************************************************
352 *
353 * FUNCTION: acpi_ds_method_data_get_value
354 *
355 * PARAMETERS: Type - Either ACPI_REFCLASS_LOCAL or
356 * ACPI_REFCLASS_ARG
357 * Index - Which local_var or argument to get
358 * walk_state - Current walk state object
359 * dest_desc - Where Arg or Local value is returned
360 *
361 * RETURN: Status
362 *
363 * DESCRIPTION: Retrieve value of selected Arg or Local for this method
364 * Used only in acpi_ex_resolve_to_value().
365 *
366 ******************************************************************************/
367
368 acpi_status
369 acpi_ds_method_data_get_value(u8 type,
370 u32 index,
371 struct acpi_walk_state *walk_state,
372 union acpi_operand_object **dest_desc)
373 {
374 acpi_status status;
375 struct acpi_namespace_node *node;
376 union acpi_operand_object *object;
377
378 ACPI_FUNCTION_TRACE(ds_method_data_get_value);
379
380 /* Validate the object descriptor */
381
382 if (!dest_desc) {
383 ACPI_ERROR((AE_INFO, "Null object descriptor pointer"));
384 return_ACPI_STATUS(AE_BAD_PARAMETER);
385 }
386
387 /* Get the namespace node for the arg/local */
388
389 status = acpi_ds_method_data_get_node(type, index, walk_state, &node);
390 if (ACPI_FAILURE(status)) {
391 return_ACPI_STATUS(status);
392 }
393
394 /* Get the object from the node */
395
396 object = node->object;
397
398 /* Examine the returned object, it must be valid. */
399
400 if (!object) {
401 /*
402 * Index points to uninitialized object.
403 * This means that either 1) The expected argument was
404 * not passed to the method, or 2) A local variable
405 * was referenced by the method (via the ASL)
406 * before it was initialized. Either case is an error.
407 */
408
409 /* If slack enabled, init the local_x/arg_x to an Integer of value zero */
410
411 if (acpi_gbl_enable_interpreter_slack) {
412 object = acpi_ut_create_integer_object((u64) 0);
413 if (!object) {
414 return_ACPI_STATUS(AE_NO_MEMORY);
415 }
416
417 node->object = object;
418 }
419
420 /* Otherwise, return the error */
421
422 else
423 switch (type) {
424 case ACPI_REFCLASS_ARG:
425
426 ACPI_ERROR((AE_INFO,
427 "Uninitialized Arg[%d] at node %p",
428 index, node));
429
430 return_ACPI_STATUS(AE_AML_UNINITIALIZED_ARG);
431
432 case ACPI_REFCLASS_LOCAL:
433
434 /*
435 * No error message for this case, will be trapped again later to
436 * detect and ignore cases of Store(local_x,local_x)
437 */
438 return_ACPI_STATUS(AE_AML_UNINITIALIZED_LOCAL);
439
440 default:
441
442 ACPI_ERROR((AE_INFO,
443 "Not a Arg/Local opcode: %X",
444 type));
445 return_ACPI_STATUS(AE_AML_INTERNAL);
446 }
447 }
448
449 /*
450 * The Index points to an initialized and valid object.
451 * Return an additional reference to the object
452 */
453 *dest_desc = object;
454 acpi_ut_add_reference(object);
455
456 return_ACPI_STATUS(AE_OK);
457 }
458
459 /*******************************************************************************
460 *
461 * FUNCTION: acpi_ds_method_data_delete_value
462 *
463 * PARAMETERS: Type - Either ACPI_REFCLASS_LOCAL or
464 * ACPI_REFCLASS_ARG
465 * Index - Which local_var or argument to delete
466 * walk_state - Current walk state object
467 *
468 * RETURN: None
469 *
470 * DESCRIPTION: Delete the entry at Opcode:Index. Inserts
471 * a null into the stack slot after the object is deleted.
472 *
473 ******************************************************************************/
474
475 static void
476 acpi_ds_method_data_delete_value(u8 type,
477 u32 index, struct acpi_walk_state *walk_state)
478 {
479 acpi_status status;
480 struct acpi_namespace_node *node;
481 union acpi_operand_object *object;
482
483 ACPI_FUNCTION_TRACE(ds_method_data_delete_value);
484
485 /* Get the namespace node for the arg/local */
486
487 status = acpi_ds_method_data_get_node(type, index, walk_state, &node);
488 if (ACPI_FAILURE(status)) {
489 return_VOID;
490 }
491
492 /* Get the associated object */
493
494 object = acpi_ns_get_attached_object(node);
495
496 /*
497 * Undefine the Arg or Local by setting its descriptor
498 * pointer to NULL. Locals/Args can contain both
499 * ACPI_OPERAND_OBJECTS and ACPI_NAMESPACE_NODEs
500 */
501 node->object = NULL;
502
503 if ((object) &&
504 (ACPI_GET_DESCRIPTOR_TYPE(object) == ACPI_DESC_TYPE_OPERAND)) {
505 /*
506 * There is a valid object.
507 * Decrement the reference count by one to balance the
508 * increment when the object was stored.
509 */
510 acpi_ut_remove_reference(object);
511 }
512
513 return_VOID;
514 }
515
516 /*******************************************************************************
517 *
518 * FUNCTION: acpi_ds_store_object_to_local
519 *
520 * PARAMETERS: Type - Either ACPI_REFCLASS_LOCAL or
521 * ACPI_REFCLASS_ARG
522 * Index - Which Local or Arg to set
523 * obj_desc - Value to be stored
524 * walk_state - Current walk state
525 *
526 * RETURN: Status
527 *
528 * DESCRIPTION: Store a value in an Arg or Local. The obj_desc is installed
529 * as the new value for the Arg or Local and the reference count
530 * for obj_desc is incremented.
531 *
532 ******************************************************************************/
533
534 acpi_status
535 acpi_ds_store_object_to_local(u8 type,
536 u32 index,
537 union acpi_operand_object *obj_desc,
538 struct acpi_walk_state *walk_state)
539 {
540 acpi_status status;
541 struct acpi_namespace_node *node;
542 union acpi_operand_object *current_obj_desc;
543 union acpi_operand_object *new_obj_desc;
544
545 ACPI_FUNCTION_TRACE(ds_store_object_to_local);
546 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Type=%2.2X Index=%d Obj=%p\n",
547 type, index, obj_desc));
548
549 /* Parameter validation */
550
551 if (!obj_desc) {
552 return_ACPI_STATUS(AE_BAD_PARAMETER);
553 }
554
555 /* Get the namespace node for the arg/local */
556
557 status = acpi_ds_method_data_get_node(type, index, walk_state, &node);
558 if (ACPI_FAILURE(status)) {
559 return_ACPI_STATUS(status);
560 }
561
562 current_obj_desc = acpi_ns_get_attached_object(node);
563 if (current_obj_desc == obj_desc) {
564 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Obj=%p already installed!\n",
565 obj_desc));
566 return_ACPI_STATUS(status);
567 }
568
569 /*
570 * If the reference count on the object is more than one, we must
571 * take a copy of the object before we store. A reference count
572 * of exactly 1 means that the object was just created during the
573 * evaluation of an expression, and we can safely use it since it
574 * is not used anywhere else.
575 */
576 new_obj_desc = obj_desc;
577 if (obj_desc->common.reference_count > 1) {
578 status =
579 acpi_ut_copy_iobject_to_iobject(obj_desc, &new_obj_desc,
580 walk_state);
581 if (ACPI_FAILURE(status)) {
582 return_ACPI_STATUS(status);
583 }
584 }
585
586 /*
587 * If there is an object already in this slot, we either
588 * have to delete it, or if this is an argument and there
589 * is an object reference stored there, we have to do
590 * an indirect store!
591 */
592 if (current_obj_desc) {
593 /*
594 * Check for an indirect store if an argument
595 * contains an object reference (stored as an Node).
596 * We don't allow this automatic dereferencing for
597 * locals, since a store to a local should overwrite
598 * anything there, including an object reference.
599 *
600 * If both Arg0 and Local0 contain ref_of (Local4):
601 *
602 * Store (1, Arg0) - Causes indirect store to local4
603 * Store (1, Local0) - Stores 1 in local0, overwriting
604 * the reference to local4
605 * Store (1, de_refof (Local0)) - Causes indirect store to local4
606 *
607 * Weird, but true.
608 */
609 if (type == ACPI_REFCLASS_ARG) {
610 /*
611 * If we have a valid reference object that came from ref_of(),
612 * do the indirect store
613 */
614 if ((ACPI_GET_DESCRIPTOR_TYPE(current_obj_desc) ==
615 ACPI_DESC_TYPE_OPERAND)
616 && (current_obj_desc->common.type ==
617 ACPI_TYPE_LOCAL_REFERENCE)
618 && (current_obj_desc->reference.class ==
619 ACPI_REFCLASS_REFOF)) {
620 ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
621 "Arg (%p) is an ObjRef(Node), storing in node %p\n",
622 new_obj_desc,
623 current_obj_desc));
624
625 /*
626 * Store this object to the Node (perform the indirect store)
627 * NOTE: No implicit conversion is performed, as per the ACPI
628 * specification rules on storing to Locals/Args.
629 */
630 status =
631 acpi_ex_store_object_to_node(new_obj_desc,
632 current_obj_desc->
633 reference.
634 object,
635 walk_state,
636 ACPI_NO_IMPLICIT_CONVERSION);
637
638 /* Remove local reference if we copied the object above */
639
640 if (new_obj_desc != obj_desc) {
641 acpi_ut_remove_reference(new_obj_desc);
642 }
643 return_ACPI_STATUS(status);
644 }
645 }
646
647 /* Delete the existing object before storing the new one */
648
649 acpi_ds_method_data_delete_value(type, index, walk_state);
650 }
651
652 /*
653 * Install the Obj descriptor (*new_obj_desc) into
654 * the descriptor for the Arg or Local.
655 * (increments the object reference count by one)
656 */
657 status =
658 acpi_ds_method_data_set_value(type, index, new_obj_desc,
659 walk_state);
660
661 /* Remove local reference if we copied the object above */
662
663 if (new_obj_desc != obj_desc) {
664 acpi_ut_remove_reference(new_obj_desc);
665 }
666
667 return_ACPI_STATUS(status);
668 }
669
670 #ifdef ACPI_OBSOLETE_FUNCTIONS
671 /*******************************************************************************
672 *
673 * FUNCTION: acpi_ds_method_data_get_type
674 *
675 * PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP
676 * Index - Which Local or Arg whose type to get
677 * walk_state - Current walk state object
678 *
679 * RETURN: Data type of current value of the selected Arg or Local
680 *
681 * DESCRIPTION: Get the type of the object stored in the Local or Arg
682 *
683 ******************************************************************************/
684
685 acpi_object_type
686 acpi_ds_method_data_get_type(u16 opcode,
687 u32 index, struct acpi_walk_state *walk_state)
688 {
689 acpi_status status;
690 struct acpi_namespace_node *node;
691 union acpi_operand_object *object;
692
693 ACPI_FUNCTION_TRACE(ds_method_data_get_type);
694
695 /* Get the namespace node for the arg/local */
696
697 status = acpi_ds_method_data_get_node(opcode, index, walk_state, &node);
698 if (ACPI_FAILURE(status)) {
699 return_VALUE((ACPI_TYPE_NOT_FOUND));
700 }
701
702 /* Get the object */
703
704 object = acpi_ns_get_attached_object(node);
705 if (!object) {
706
707 /* Uninitialized local/arg, return TYPE_ANY */
708
709 return_VALUE(ACPI_TYPE_ANY);
710 }
711
712 /* Get the object type */
713
714 return_VALUE(object->type);
715 }
716 #endif
Linux with added FPC-III support