1 /******************************************************************************
2 *
3 * Module Name: aslxrefout.c - support for optional cross-reference file
4 *
5 *****************************************************************************/
6
7 /******************************************************************************
8 *
9 * 1. Copyright Notice
10 *
11 * Some or all of this work - Copyright (c) 1999 - 2018, Intel Corp.
12 * All rights reserved.
13 *
14 * 2. License
15 *
16 * 2.1. This is your license from Intel Corp. under its intellectual property
17 * rights. You may have additional license terms from the party that provided
18 * you this software, covering your right to use that party's intellectual
19 * property rights.
20 *
21 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
22 * copy of the source code appearing in this file ("Covered Code") an
23 * irrevocable, perpetual, worldwide license under Intel's copyrights in the
24 * base code distributed originally by Intel ("Original Intel Code") to copy,
25 * make derivatives, distribute, use and display any portion of the Covered
26 * Code in any form, with the right to sublicense such rights; and
27 *
28 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
29 * license (with the right to sublicense), under only those claims of Intel
30 * patents that are infringed by the Original Intel Code, to make, use, sell,
31 * offer to sell, and import the Covered Code and derivative works thereof
32 * solely to the minimum extent necessary to exercise the above copyright
33 * license, and in no event shall the patent license extend to any additions
34 * to or modifications of the Original Intel Code. No other license or right
35 * is granted directly or by implication, estoppel or otherwise;
36 *
37 * The above copyright and patent license is granted only if the following
38 * conditions are met:
39 *
40 * 3. Conditions
41 *
42 * 3.1. Redistribution of Source with Rights to Further Distribute Source.
43 * Redistribution of source code of any substantial portion of the Covered
44 * Code or modification with rights to further distribute source must include
45 * the above Copyright Notice, the above License, this list of Conditions,
46 * and the following Disclaimer and Export Compliance provision. In addition,
47 * Licensee must cause all Covered Code to which Licensee contributes to
48 * contain a file documenting the changes Licensee made to create that Covered
49 * Code and the date of any change. Licensee must include in that file the
50 * documentation of any changes made by any predecessor Licensee. Licensee
51 * must include a prominent statement that the modification is derived,
52 * directly or indirectly, from Original Intel Code.
53 *
54 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
55 * Redistribution of source code of any substantial portion of the Covered
56 * Code or modification without rights to further distribute source must
57 * include the following Disclaimer and Export Compliance provision in the
58 * documentation and/or other materials provided with distribution. In
59 * addition, Licensee may not authorize further sublicense of source of any
60 * portion of the Covered Code, and must include terms to the effect that the
61 * license from Licensee to its licensee is limited to the intellectual
62 * property embodied in the software Licensee provides to its licensee, and
63 * not to intellectual property embodied in modifications its licensee may
64 * make.
65 *
66 * 3.3. Redistribution of Executable. Redistribution in executable form of any
67 * substantial portion of the Covered Code or modification must reproduce the
68 * above Copyright Notice, and the following Disclaimer and Export Compliance
69 * provision in the documentation and/or other materials provided with the
70 * distribution.
71 *
72 * 3.4. Intel retains all right, title, and interest in and to the Original
73 * Intel Code.
74 *
75 * 3.5. Neither the name Intel nor any other trademark owned or controlled by
76 * Intel shall be used in advertising or otherwise to promote the sale, use or
77 * other dealings in products derived from or relating to the Covered Code
78 * without prior written authorization from Intel.
79 *
80 * 4. Disclaimer and Export Compliance
81 *
82 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
83 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
84 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
85 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
86 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
87 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
88 * PARTICULAR PURPOSE.
89 *
90 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
91 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
92 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
93 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
94 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
95 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
96 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
97 * LIMITED REMEDY.
98 *
99 * 4.3. Licensee shall not export, either directly or indirectly, any of this
100 * software or system incorporating such software without first obtaining any
101 * required license or other approval from the U. S. Department of Commerce or
102 * any other agency or department of the United States Government. In the
103 * event Licensee exports any such software from the United States or
104 * re-exports any such software from a foreign destination, Licensee shall
105 * ensure that the distribution and export/re-export of the software is in
106 * compliance with all laws, regulations, orders, or other restrictions of the
107 * U.S. Export Administration Regulations. Licensee agrees that neither it nor
108 * any of its subsidiaries will export/re-export any technical data, process,
109 * software, or service, directly or indirectly, to any country for which the
110 * United States government or any agency thereof requires an export license,
111 * other governmental approval, or letter of assurance, without first obtaining
112 * such license, approval or letter.
113 *
114 *****************************************************************************
115 *
116 * Alternatively, you may choose to be licensed under the terms of the
117 * following license:
118 *
119 * Redistribution and use in source and binary forms, with or without
120 * modification, are permitted provided that the following conditions
121 * are met:
122 * 1. Redistributions of source code must retain the above copyright
123 * notice, this list of conditions, and the following disclaimer,
124 * without modification.
125 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
126 * substantially similar to the "NO WARRANTY" disclaimer below
127 * ("Disclaimer") and any redistribution must be conditioned upon
128 * including a substantially similar Disclaimer requirement for further
129 * binary redistribution.
130 * 3. Neither the names of the above-listed copyright holders nor the names
131 * of any contributors may be used to endorse or promote products derived
132 * from this software without specific prior written permission.
133 *
134 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
135 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
137 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
138 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
139 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
140 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
141 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
142 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
143 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
144 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
145 *
146 * Alternatively, you may choose to be licensed under the terms of the
147 * GNU General Public License ("GPL") version 2 as published by the Free
148 * Software Foundation.
149 *
150 *****************************************************************************/
151
152 #include "aslcompiler.h"
153 #include "aslcompiler.y.h"
154 #include "acnamesp.h"
155 #include "acparser.h"
156 #include "amlcode.h"
157
158 #define _COMPONENT ACPI_COMPILER
159 ACPI_MODULE_NAME ("aslxrefout")
160
161
162 /* Local prototypes */
163
164 static ACPI_STATUS
165 OtXrefWalkPart2 (
166 ACPI_PARSE_OBJECT *Op,
167 UINT32 Level,
168 void *Context);
169
170 static ACPI_STATUS
171 OtXrefWalkPart3 (
172 ACPI_PARSE_OBJECT *Op,
173 UINT32 Level,
174 void *Context);
175
176 static ACPI_STATUS
177 OtXrefAnalysisWalkPart1 (
178 ACPI_PARSE_OBJECT *Op,
179 UINT32 Level,
180 void *Context);
181
182
183 static ACPI_STATUS
184 OtXrefAnalysisWalkPart2 (
185 ACPI_PARSE_OBJECT *Op,
186 UINT32 Level,
187 void *Context);
188
189 static ACPI_STATUS
190 OtXrefAnalysisWalkPart3 (
191 ACPI_PARSE_OBJECT *Op,
192 UINT32 Level,
193 void *Context);
194
195
196 /*******************************************************************************
197 *
198 * FUNCTION: OtPrintHeaders
199 *
200 * PARAMETERS: Message - Main header message
201 *
202 * RETURN: None
203 *
204 * DESCRIPTION: Emits the main header message along with field descriptions
205 *
206 ******************************************************************************/
207
208 void
OtPrintHeaders(char * Message)209 OtPrintHeaders (
210 char *Message)
211 {
212 UINT32 Length;
213
214
215 Length = strlen (Message);
216
217 FlPrintFile (ASL_FILE_XREF_OUTPUT, "\n\n%s\n", Message);
218 while (Length)
219 {
220 FlPrintFile (ASL_FILE_XREF_OUTPUT, "-");
221 Length--;
222 }
223
224 FlPrintFile (ASL_FILE_XREF_OUTPUT, "\n\nLineno %-40s Description\n",
225 "Full Pathname");
226 }
227
228
229 /*******************************************************************************
230 *
231 * FUNCTION: OtCreateXrefFile
232 *
233 * PARAMETERS: None
234 *
235 * RETURN: None
236 *
237 * DESCRIPTION Main entry point for parts 2 and 3 of the cross-reference
238 * file.
239 *
240 ******************************************************************************/
241
242 void
OtCreateXrefFile(void)243 OtCreateXrefFile (
244 void)
245 {
246 ASL_XREF_INFO XrefInfo;
247
248
249 /* Build cross-reference output file if requested */
250
251 if (!Gbl_CrossReferenceOutput)
252 {
253 return;
254 }
255
256 memset (&XrefInfo, 0, sizeof (ASL_XREF_INFO));
257
258 /* Cross-reference output file, part 2 (Method invocations) */
259
260 OtPrintHeaders ("Part 2: Method Reference Map "
261 "(Invocations of each user-defined control method)");
262
263 TrWalkParseTree (Gbl_ParseTreeRoot, ASL_WALK_VISIT_DOWNWARD,
264 OtXrefWalkPart2, NULL, &XrefInfo);
265
266 /* Cross-reference output file, part 3 (All other object refs) */
267
268 OtPrintHeaders ("Part 3: Full Object Reference Map "
269 "(Methods that reference each object in namespace");
270
271 TrWalkParseTree (Gbl_ParseTreeRoot, ASL_WALK_VISIT_DOWNWARD,
272 OtXrefWalkPart3, NULL, &XrefInfo);
273
274 /* Cross-reference summary */
275
276 FlPrintFile (ASL_FILE_XREF_OUTPUT, "\n\nObject Summary\n");
277
278 FlPrintFile (ASL_FILE_XREF_OUTPUT,
279 "\nTotal methods: %u\n",
280 XrefInfo.TotalPredefinedMethods + XrefInfo.TotalUserMethods);
281 FlPrintFile (ASL_FILE_XREF_OUTPUT,
282 "Total predefined methods: %u\n",
283 XrefInfo.TotalPredefinedMethods);
284
285 FlPrintFile (ASL_FILE_XREF_OUTPUT,
286 "\nTotal user methods: %u\n",
287 XrefInfo.TotalUserMethods);
288 FlPrintFile (ASL_FILE_XREF_OUTPUT,
289 "Total unreferenced user methods %u\n",
290 XrefInfo.TotalUnreferenceUserMethods);
291
292 FlPrintFile (ASL_FILE_XREF_OUTPUT,
293 "\nTotal defined objects: %u\n",
294 XrefInfo.TotalObjects);
295 FlPrintFile (ASL_FILE_XREF_OUTPUT,
296 "Total unreferenced objects: %u\n",
297 XrefInfo.TotalUnreferencedObjects);
298 }
299
300
301 /*
302 * Part 1 of the cross reference file. This part emits the namespace objects
303 * that are referenced by each control method in the namespace.
304 *
305 * Part 2 and 3 are below part 1.
306 */
307
308 /*******************************************************************************
309 *
310 * FUNCTION: OtXrefWalkPart1
311 *
312 * PARAMETERS: Op - Current parse Op
313 * Level - Current tree nesting level
314 * MethodInfo - Info block for the current method
315 *
316 *
317 * RETURN: None
318 *
319 * DESCRIPTION: Entry point for the creation of the method call reference map.
320 * For each control method in the namespace, all other methods
321 * that invoke the method are listed. Predefined names/methods
322 * that start with an underscore are ignored, because these are
323 * essentially external/public interfaces.
324
325 * DESCRIPTION: Entry point for the creation of the object reference map.
326 * For each control method in the namespace, all objects that
327 * are referenced by the method are listed.
328 *
329 * Called during a normal namespace walk, once per namespace
330 * object. (MtMethodAnalysisWalkBegin)
331 *
332 ******************************************************************************/
333
334 void
OtXrefWalkPart1(ACPI_PARSE_OBJECT * Op,UINT32 Level,ASL_METHOD_INFO * MethodInfo)335 OtXrefWalkPart1 (
336 ACPI_PARSE_OBJECT *Op,
337 UINT32 Level,
338 ASL_METHOD_INFO *MethodInfo)
339 {
340 ACPI_NAMESPACE_NODE *Node;
341 ACPI_PARSE_OBJECT *NextOp;
342 ACPI_PARSE_OBJECT *FieldOp;
343 char *ParentPath;
344 UINT32 Length;
345 ACPI_STATUS Status;
346
347
348 switch (Op->Asl.ParseOpcode)
349 {
350 case PARSEOP_NAMESEG:
351 case PARSEOP_NAMESTRING:
352 case PARSEOP_METHODCALL:
353
354 if (!MethodInfo ||
355 (MethodInfo->Op->Asl.Child == Op) ||
356 !Op->Asl.Node)
357 {
358 break;
359 }
360
361 MethodInfo->CurrentOp = Op;
362 Node = Op->Asl.Node;
363
364 /* Find all objects referenced by this method */
365
366 Status = TrWalkParseTree (MethodInfo->Op, ASL_WALK_VISIT_DOWNWARD,
367 OtXrefAnalysisWalkPart1, NULL, MethodInfo);
368
369 if (Status == AE_CTRL_TERMINATE)
370 {
371 ParentPath = AcpiNsGetNormalizedPathname (Node, TRUE);
372
373 FlPrintFile (ASL_FILE_XREF_OUTPUT, " %-40s %s",
374 ParentPath, AcpiUtGetTypeName (Node->Type));
375 ACPI_FREE (ParentPath);
376
377 switch (Node->Type)
378 {
379 /* Handle externals */
380
381 case ACPI_TYPE_ANY:
382 case ACPI_TYPE_FIELD_UNIT:
383
384 FlPrintFile (ASL_FILE_XREF_OUTPUT, " <External Object>");
385 break;
386
387 case ACPI_TYPE_INTEGER:
388
389 FlPrintFile (ASL_FILE_XREF_OUTPUT, " %8.8X%8.8X",
390 ACPI_FORMAT_UINT64 (Op->Asl.Value.Integer));
391 break;
392
393 case ACPI_TYPE_METHOD:
394
395 FlPrintFile (ASL_FILE_XREF_OUTPUT, " Invocation (%u args)",
396 Node->ArgCount);
397 break;
398
399 case ACPI_TYPE_BUFFER_FIELD:
400
401 NextOp = Node->Op; /* Create Buffer Field Op */
402 switch (NextOp->Asl.ParseOpcode)
403 {
404 case PARSEOP_CREATEBITFIELD:
405 Length = 1;
406 break;
407
408 case PARSEOP_CREATEBYTEFIELD:
409 Length = 8;
410 break;
411
412 case PARSEOP_CREATEWORDFIELD:
413 Length = 16;
414 break;
415
416 case PARSEOP_CREATEDWORDFIELD:
417 Length = 32;
418 break;
419
420 case PARSEOP_CREATEQWORDFIELD:
421 Length = 64;
422 break;
423
424 default:
425 Length = 0;
426 break;
427 }
428
429 NextOp = NextOp->Asl.Child; /* Buffer name */
430
431 if (!NextOp->Asl.ExternalName)
432 {
433 FlPrintFile (ASL_FILE_XREF_OUTPUT, " in Arg/Local");
434 }
435 else
436 {
437 ParentPath = AcpiNsGetNormalizedPathname (
438 NextOp->Asl.Node, TRUE);
439
440 FlPrintFile (ASL_FILE_XREF_OUTPUT, " (%.2u bit) in Buffer %s",
441 Length, ParentPath);
442 ACPI_FREE (ParentPath);
443 }
444 break;
445
446 case ACPI_TYPE_LOCAL_REGION_FIELD:
447
448 NextOp = Node->Op;
449 FieldOp = NextOp->Asl.Parent;
450 NextOp = FieldOp->Asl.Child;
451
452 ParentPath = AcpiNsGetNormalizedPathname (
453 NextOp->Asl.Node, TRUE);
454
455 FlPrintFile (ASL_FILE_XREF_OUTPUT, " (%.2u bit) in Region %s",
456 (UINT32) Node->Op->Asl.Child->Asl.Value.Integer,
457 ParentPath);
458 ACPI_FREE (ParentPath);
459
460 if (FieldOp->Asl.ParseOpcode == PARSEOP_FIELD)
461 {
462 Node = NextOp->Asl.Node; /* Region node */
463 NextOp = Node->Op; /* PARSEOP_REGION */
464 NextOp = NextOp->Asl.Child; /* Region name */
465 NextOp = NextOp->Asl.Next;
466
467 /* Get region space/addr/len? */
468
469 FlPrintFile (ASL_FILE_XREF_OUTPUT, " (%s)",
470 AcpiUtGetRegionName ((UINT8)
471 NextOp->Asl.Value.Integer));
472 }
473 break;
474
475 default:
476 break;
477 }
478
479 FlPrintFile (ASL_FILE_XREF_OUTPUT, "\n");
480 }
481 break;
482
483 case PARSEOP_METHOD:
484
485 ParentPath = AcpiNsGetNormalizedPathname (Op->Asl.Node, TRUE);
486
487 FlPrintFile (ASL_FILE_XREF_OUTPUT,
488 "\n[%5u] %-40s %s Declaration (%u args)\n",
489 Op->Asl.LogicalLineNumber, ParentPath,
490 AcpiUtGetTypeName (Op->Asl.Node->Type), Op->Asl.Node->ArgCount);
491
492 ACPI_FREE (ParentPath);
493 break;
494
495 default:
496 break;
497 }
498 }
499
500
501 /*******************************************************************************
502 *
503 * FUNCTION: OtXrefAnalysisWalkPart1
504 *
505 * PARAMETERS: ASL_WALK_CALLBACK
506 *
507 * RETURN: Status
508 *
509 * DESCRIPTION: Secondary walk for cross-reference part 1.
510 *
511 ******************************************************************************/
512
513 static ACPI_STATUS
OtXrefAnalysisWalkPart1(ACPI_PARSE_OBJECT * Op,UINT32 Level,void * Context)514 OtXrefAnalysisWalkPart1 (
515 ACPI_PARSE_OBJECT *Op,
516 UINT32 Level,
517 void *Context)
518 {
519 ASL_METHOD_INFO *MethodInfo = (ASL_METHOD_INFO *) Context;
520 ACPI_PARSE_OBJECT *Next;
521
522
523 /* Only interested in name string Ops -- ignore all others */
524
525 if ((Op->Asl.ParseOpcode != PARSEOP_NAMESEG) &&
526 (Op->Asl.ParseOpcode != PARSEOP_NAMESTRING) &&
527 (Op->Asl.ParseOpcode != PARSEOP_METHODCALL))
528 {
529 return (AE_OK);
530 }
531
532 /* No node means a locally declared object -- ignore */
533
534 if (!Op->Asl.Node)
535 {
536 return (AE_OK);
537 }
538
539 /* When we encounter the source Op, we are done */
540
541 Next = MethodInfo->CurrentOp;
542 if (Next == Op)
543 {
544 return (AE_CTRL_TERMINATE);
545 }
546
547 /* If we have a name match, this Op is a duplicate */
548
549 if ((Next->Asl.ParseOpcode == PARSEOP_NAMESEG) ||
550 (Next->Asl.ParseOpcode == PARSEOP_NAMESTRING) ||
551 (Next->Asl.ParseOpcode == PARSEOP_METHODCALL))
552 {
553 if (!strcmp (Op->Asl.ExternalName, Next->Asl.ExternalName))
554 {
555 return (AE_ALREADY_EXISTS);
556 }
557 }
558
559 return (AE_OK);
560 }
561
562
563 /*
564 * Part 2 of the cross reference file. This part emits the names of each
565 * non-predefined method in the namespace (user methods), along with the
566 * names of each control method that references that method.
567 */
568
569 /*******************************************************************************
570 *
571 * FUNCTION: OtXrefWalkPart2
572 *
573 * PARAMETERS: ASL_WALK_CALLBACK
574 *
575 * RETURN: Status
576 *
577 * DESCRIPTION: For each control method in the namespace, we will re-walk the
578 * namespace to find each and every invocation of that control
579 * method. Brute force, but does not matter, even for large
580 * namespaces. Ignore predefined names (start with underscore).
581 *
582 ******************************************************************************/
583
584 static ACPI_STATUS
OtXrefWalkPart2(ACPI_PARSE_OBJECT * Op,UINT32 Level,void * Context)585 OtXrefWalkPart2 (
586 ACPI_PARSE_OBJECT *Op,
587 UINT32 Level,
588 void *Context)
589 {
590 ASL_XREF_INFO *XrefInfo = (ASL_XREF_INFO *) Context;
591 ACPI_NAMESPACE_NODE *Node;
592 char *ParentPath;
593
594
595 /* Looking for Method Declaration Ops only */
596
597 if (!Op->Asl.Node ||
598 (Op->Asl.ParseOpcode != PARSEOP_METHOD))
599 {
600 return (AE_OK);
601 }
602
603 /* Ignore predefined names */
604
605 if (Op->Asl.Node->Name.Ascii[0] == '_')
606 {
607 XrefInfo->TotalPredefinedMethods++;
608 return (AE_OK);
609 }
610
611 Node = Op->Asl.Node;
612 ParentPath = AcpiNsGetNormalizedPathname (Node, TRUE);
613
614 FlPrintFile (ASL_FILE_XREF_OUTPUT,
615 "\n[%5u] %-40s %s Declaration (%u args)\n",
616 Op->Asl.LogicalLineNumber, ParentPath,
617 AcpiUtGetTypeName (Node->Type), Node->ArgCount);
618
619 XrefInfo->TotalUserMethods++;
620 XrefInfo->ThisMethodInvocations = 0;
621 XrefInfo->MethodOp = Op;
622
623 (void) TrWalkParseTree (Gbl_ParseTreeRoot, ASL_WALK_VISIT_DOWNWARD,
624 OtXrefAnalysisWalkPart2, NULL, XrefInfo);
625
626 if (!XrefInfo->ThisMethodInvocations)
627 {
628 FlPrintFile (ASL_FILE_XREF_OUTPUT,
629 " Zero invocations of this method in this module\n");
630 XrefInfo->TotalUnreferenceUserMethods++;
631 }
632 else
633 {
634 FlPrintFile (ASL_FILE_XREF_OUTPUT,
635 " %u invocations of method %s in this module\n",
636 XrefInfo->ThisMethodInvocations, ParentPath);
637 }
638
639 ACPI_FREE (ParentPath);
640 return (AE_OK);
641 }
642
643
644 /*******************************************************************************
645 *
646 * FUNCTION: OtXrefAnalysisWalkPart2
647 *
648 * PARAMETERS: ASL_WALK_CALLBACK
649 *
650 * RETURN: Status
651 *
652 * DESCRIPTION: For every Op that is a method invocation, emit a reference
653 * line if the Op is invoking the target method.
654 *
655 ******************************************************************************/
656
657 static ACPI_STATUS
OtXrefAnalysisWalkPart2(ACPI_PARSE_OBJECT * Op,UINT32 Level,void * Context)658 OtXrefAnalysisWalkPart2 (
659 ACPI_PARSE_OBJECT *Op,
660 UINT32 Level,
661 void *Context)
662 {
663 ASL_XREF_INFO *XrefInfo = (ASL_XREF_INFO *) Context;
664 ACPI_PARSE_OBJECT *CallerOp;
665 char *CallerFullPathname;
666
667
668 /* Looking for MethodCall Ops only */
669
670 if (!Op->Asl.Node ||
671 (Op->Asl.ParseOpcode != PARSEOP_METHODCALL))
672 {
673 return (AE_OK);
674 }
675
676 /* If not a match to the target method, we are done */
677
678 if (Op->Asl.Node != XrefInfo->MethodOp->Asl.Node)
679 {
680 return (AE_CTRL_DEPTH);
681 }
682
683 /* Find parent method to get method caller namepath */
684
685 CallerOp = Op->Asl.Parent;
686 while (CallerOp &&
687 (CallerOp->Asl.ParseOpcode != PARSEOP_METHOD))
688 {
689 CallerOp = CallerOp->Asl.Parent;
690 }
691
692 /* There is no parent method for External() statements */
693
694 if (!CallerOp)
695 {
696 return (AE_OK);
697 }
698
699 CallerFullPathname = AcpiNsGetNormalizedPathname (
700 CallerOp->Asl.Node, TRUE);
701
702 FlPrintFile (ASL_FILE_XREF_OUTPUT,
703 "[%5u] %-40s Invocation path: %s\n",
704 Op->Asl.LogicalLineNumber, CallerFullPathname,
705 Op->Asl.ExternalName);
706
707 ACPI_FREE (CallerFullPathname);
708 XrefInfo->ThisMethodInvocations++;
709 return (AE_OK);
710 }
711
712
713 /*
714 * Part 3 of the cross reference file. This part emits the names of each
715 * non-predefined method in the namespace (user methods), along with the
716 * names of each control method that references that method.
717 */
718
719 /*******************************************************************************
720 *
721 * FUNCTION: OtXrefWalkPart3
722 *
723 * PARAMETERS: ASL_WALK_CALLBACK
724 *
725 * RETURN: Status
726 *
727 * DESCRIPTION: Cross-reference part 3. references to objects other than
728 * control methods.
729 *
730 ******************************************************************************/
731
732 static ACPI_STATUS
OtXrefWalkPart3(ACPI_PARSE_OBJECT * Op,UINT32 Level,void * Context)733 OtXrefWalkPart3 (
734 ACPI_PARSE_OBJECT *Op,
735 UINT32 Level,
736 void *Context)
737 {
738 ASL_XREF_INFO *XrefInfo = (ASL_XREF_INFO *) Context;
739 ACPI_NAMESPACE_NODE *Node;
740 char *ParentPath;
741 const ACPI_OPCODE_INFO *OpInfo;
742
743
744 /* Ignore method declarations */
745
746 if (!Op->Asl.Node ||
747 (Op->Asl.ParseOpcode == PARSEOP_METHOD))
748 {
749 return (AE_OK);
750 }
751
752 OpInfo = AcpiPsGetOpcodeInfo (Op->Asl.AmlOpcode);
753 if (!(OpInfo->Class & AML_CLASS_NAMED_OBJECT))
754 {
755 return (AE_OK);
756 }
757
758 /* Only care about named object creation opcodes */
759
760 if ((Op->Asl.ParseOpcode != PARSEOP_NAME) &&
761 (Op->Asl.ParseOpcode != PARSEOP_DEVICE) &&
762 (Op->Asl.ParseOpcode != PARSEOP_MUTEX) &&
763 (Op->Asl.ParseOpcode != PARSEOP_OPERATIONREGION) &&
764 (Op->Asl.ParseOpcode != PARSEOP_FIELD) &&
765 (Op->Asl.ParseOpcode != PARSEOP_EVENT))
766 {
767 return (AE_OK);
768 }
769
770 /* Ignore predefined names */
771
772 if (Op->Asl.Node->Name.Ascii[0] == '_')
773 {
774 return (AE_OK);
775 }
776
777 Node = Op->Asl.Node;
778 ParentPath = AcpiNsGetNormalizedPathname (Node, TRUE);
779
780 FlPrintFile (ASL_FILE_XREF_OUTPUT,
781 "\n[%5u] %-40s %s Declaration\n",
782 Op->Asl.LogicalLineNumber, ParentPath,
783 AcpiUtGetTypeName (Node->Type));
784 ACPI_FREE (ParentPath);
785
786 XrefInfo->MethodOp = Op;
787 XrefInfo->ThisObjectReferences = 0;
788 XrefInfo->TotalObjects = 0;
789
790 (void) TrWalkParseTree (Gbl_ParseTreeRoot, ASL_WALK_VISIT_DOWNWARD,
791 OtXrefAnalysisWalkPart3, NULL, XrefInfo);
792
793 if (!XrefInfo->ThisObjectReferences)
794 {
795 FlPrintFile (ASL_FILE_XREF_OUTPUT,
796 " Zero references to this object in this module\n");
797 XrefInfo->TotalUnreferencedObjects++;
798 }
799 else
800 {
801 FlPrintFile (ASL_FILE_XREF_OUTPUT,
802 " %u references to this object in this module\n",
803 XrefInfo->ThisObjectReferences, ParentPath);
804 }
805
806 return (AE_OK);
807 }
808
809
810 /*******************************************************************************
811 *
812 * FUNCTION: OtXrefAnalysisWalkPart3
813 *
814 * PARAMETERS: ASL_WALK_CALLBACK
815 *
816 * RETURN: Status
817 *
818 * DESCRIPTION: Secondary walk for cross-reference part 3.
819 *
820 ******************************************************************************/
821
822 static ACPI_STATUS
OtXrefAnalysisWalkPart3(ACPI_PARSE_OBJECT * Op,UINT32 Level,void * Context)823 OtXrefAnalysisWalkPart3 (
824 ACPI_PARSE_OBJECT *Op,
825 UINT32 Level,
826 void *Context)
827 {
828 ASL_XREF_INFO *XrefInfo = (ASL_XREF_INFO *) Context;
829 char *CallerFullPathname = NULL;
830 ACPI_PARSE_OBJECT *CallerOp;
831 const char *Operator;
832
833
834 if (!Op->Asl.Node)
835 {
836 return (AE_OK);
837 }
838
839 XrefInfo->TotalObjects++;
840
841 /* Ignore Op that actually defined the object */
842
843 if (Op == XrefInfo->MethodOp)
844 {
845 return (AE_OK);
846 }
847
848 /* Only interested in Ops that reference the target node */
849
850 if (Op->Asl.Node != XrefInfo->MethodOp->Asl.Node)
851 {
852 return (AE_OK);
853 }
854
855 /* Find parent "open scope" object to get method caller namepath */
856
857 CallerOp = Op->Asl.Parent;
858 while (CallerOp &&
859 (CallerOp->Asl.ParseOpcode != PARSEOP_NAME) &&
860 (CallerOp->Asl.ParseOpcode != PARSEOP_METHOD) &&
861 (CallerOp->Asl.ParseOpcode != PARSEOP_DEVICE) &&
862 (CallerOp->Asl.ParseOpcode != PARSEOP_POWERRESOURCE) &&
863 (CallerOp->Asl.ParseOpcode != PARSEOP_PROCESSOR) &&
864 (CallerOp->Asl.ParseOpcode != PARSEOP_THERMALZONE))
865 {
866 CallerOp = CallerOp->Asl.Parent;
867 }
868
869 if (CallerOp == XrefInfo->CurrentMethodOp)
870 {
871 return (AE_OK);
872 }
873
874 /* Null CallerOp means the caller is at the namespace root */
875
876 if (CallerOp)
877 {
878 CallerFullPathname = AcpiNsGetNormalizedPathname (
879 CallerOp->Asl.Node, TRUE);
880 }
881
882 /* There are some special cases for the oddball operators */
883
884 if (Op->Asl.ParseOpcode == PARSEOP_SCOPE)
885 {
886 Operator = "Scope";
887 }
888 else if (Op->Asl.Parent->Asl.ParseOpcode == PARSEOP_ALIAS)
889 {
890 Operator = "Alias";
891 }
892 else if (!CallerOp)
893 {
894 Operator = "ModLevel";
895 }
896 else
897 {
898 Operator = AcpiUtGetTypeName (CallerOp->Asl.Node->Type);
899 }
900
901 FlPrintFile (ASL_FILE_XREF_OUTPUT,
902 "[%5u] %-40s %-8s via path: %s, Operator: %s\n",
903 Op->Asl.LogicalLineNumber,
904 CallerFullPathname ? CallerFullPathname : "<root>",
905 Operator,
906 Op->Asl.ExternalName,
907 Op->Asl.Parent->Asl.ParseOpName);
908
909 if (!CallerOp)
910 {
911 CallerOp = ACPI_TO_POINTER (0xFFFFFFFF);
912 }
913
914 if (CallerFullPathname)
915 {
916 ACPI_FREE (CallerFullPathname);
917 }
918
919 XrefInfo->CurrentMethodOp = CallerOp;
920 XrefInfo->ThisObjectReferences++;
921 return (AE_OK);
922 }
923