xref: /haiku/src/add-ons/kernel/bus_managers/acpi/acpica/components/utilities/utdebug.c (revision d0ac609964842f8cdb6d54b3c539c6c15293e172)
1 /******************************************************************************
2  *
3  * Module Name: utdebug - Debug print/trace routines
4  *
5  *****************************************************************************/
6 
7 /******************************************************************************
8  *
9  * 1. Copyright Notice
10  *
11  * Some or all of this work - Copyright (c) 1999 - 2015, 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 #define EXPORT_ACPI_INTERFACES
117 
118 #include "acpi.h"
119 #include "accommon.h"
120 #include "acinterp.h"
121 
122 #define _COMPONENT          ACPI_UTILITIES
123         ACPI_MODULE_NAME    ("utdebug")
124 
125 
126 #ifdef ACPI_DEBUG_OUTPUT
127 
128 static ACPI_THREAD_ID       AcpiGbl_PrevThreadId = (ACPI_THREAD_ID) 0xFFFFFFFF;
129 static char                 *AcpiGbl_FnEntryStr = "----Entry";
130 static char                 *AcpiGbl_FnExitStr  = "----Exit-";
131 
132 /* Local prototypes */
133 
134 static const char *
135 AcpiUtTrimFunctionName (
136     const char              *FunctionName);
137 
138 
139 /*******************************************************************************
140  *
141  * FUNCTION:    AcpiUtInitStackPtrTrace
142  *
143  * PARAMETERS:  None
144  *
145  * RETURN:      None
146  *
147  * DESCRIPTION: Save the current CPU stack pointer at subsystem startup
148  *
149  ******************************************************************************/
150 
151 void
152 AcpiUtInitStackPtrTrace (
153     void)
154 {
155     ACPI_SIZE               CurrentSp;
156 
157 
158     AcpiGbl_EntryStackPointer = &CurrentSp;
159 }
160 
161 
162 /*******************************************************************************
163  *
164  * FUNCTION:    AcpiUtTrackStackPtr
165  *
166  * PARAMETERS:  None
167  *
168  * RETURN:      None
169  *
170  * DESCRIPTION: Save the current CPU stack pointer
171  *
172  ******************************************************************************/
173 
174 void
175 AcpiUtTrackStackPtr (
176     void)
177 {
178     ACPI_SIZE               CurrentSp;
179 
180 
181     if (&CurrentSp < AcpiGbl_LowestStackPointer)
182     {
183         AcpiGbl_LowestStackPointer = &CurrentSp;
184     }
185 
186     if (AcpiGbl_NestingLevel > AcpiGbl_DeepestNesting)
187     {
188         AcpiGbl_DeepestNesting = AcpiGbl_NestingLevel;
189     }
190 }
191 
192 
193 /*******************************************************************************
194  *
195  * FUNCTION:    AcpiUtTrimFunctionName
196  *
197  * PARAMETERS:  FunctionName        - Ascii string containing a procedure name
198  *
199  * RETURN:      Updated pointer to the function name
200  *
201  * DESCRIPTION: Remove the "Acpi" prefix from the function name, if present.
202  *              This allows compiler macros such as __FUNCTION__ to be used
203  *              with no change to the debug output.
204  *
205  ******************************************************************************/
206 
207 static const char *
208 AcpiUtTrimFunctionName (
209     const char              *FunctionName)
210 {
211 
212     /* All Function names are longer than 4 chars, check is safe */
213 
214     if (*(ACPI_CAST_PTR (UINT32, FunctionName)) == ACPI_PREFIX_MIXED)
215     {
216         /* This is the case where the original source has not been modified */
217 
218         return (FunctionName + 4);
219     }
220 
221     if (*(ACPI_CAST_PTR (UINT32, FunctionName)) == ACPI_PREFIX_LOWER)
222     {
223         /* This is the case where the source has been 'linuxized' */
224 
225         return (FunctionName + 5);
226     }
227 
228     return (FunctionName);
229 }
230 
231 
232 /*******************************************************************************
233  *
234  * FUNCTION:    AcpiDebugPrint
235  *
236  * PARAMETERS:  RequestedDebugLevel - Requested debug print level
237  *              LineNumber          - Caller's line number (for error output)
238  *              FunctionName        - Caller's procedure name
239  *              ModuleName          - Caller's module name
240  *              ComponentId         - Caller's component ID
241  *              Format              - Printf format field
242  *              ...                 - Optional printf arguments
243  *
244  * RETURN:      None
245  *
246  * DESCRIPTION: Print error message with prefix consisting of the module name,
247  *              line number, and component ID.
248  *
249  ******************************************************************************/
250 
251 void  ACPI_INTERNAL_VAR_XFACE
252 AcpiDebugPrint (
253     UINT32                  RequestedDebugLevel,
254     UINT32                  LineNumber,
255     const char              *FunctionName,
256     const char              *ModuleName,
257     UINT32                  ComponentId,
258     const char              *Format,
259     ...)
260 {
261     ACPI_THREAD_ID          ThreadId;
262     va_list                 args;
263 
264 
265     /* Check if debug output enabled */
266 
267     if (!ACPI_IS_DEBUG_ENABLED (RequestedDebugLevel, ComponentId))
268     {
269         return;
270     }
271 
272     /*
273      * Thread tracking and context switch notification
274      */
275     ThreadId = AcpiOsGetThreadId ();
276     if (ThreadId != AcpiGbl_PrevThreadId)
277     {
278         if (ACPI_LV_THREADS & AcpiDbgLevel)
279         {
280             AcpiOsPrintf (
281                 "\n**** Context Switch from TID %u to TID %u ****\n\n",
282                 (UINT32) AcpiGbl_PrevThreadId, (UINT32) ThreadId);
283         }
284 
285         AcpiGbl_PrevThreadId = ThreadId;
286         AcpiGbl_NestingLevel = 0;
287     }
288 
289     /*
290      * Display the module name, current line number, thread ID (if requested),
291      * current procedure nesting level, and the current procedure name
292      */
293     AcpiOsPrintf ("%9s-%04ld ", ModuleName, LineNumber);
294 
295 #ifdef ACPI_APPLICATION
296     /*
297      * For AcpiExec/iASL only, emit the thread ID and nesting level.
298      * Note: nesting level is really only useful during a single-thread
299      * execution. Otherwise, multiple threads will keep resetting the
300      * level.
301      */
302     if (ACPI_LV_THREADS & AcpiDbgLevel)
303     {
304         AcpiOsPrintf ("[%u] ", (UINT32) ThreadId);
305     }
306 
307     AcpiOsPrintf ("[%02ld] ", AcpiGbl_NestingLevel);
308 #endif
309 
310     AcpiOsPrintf ("%-22.22s: ", AcpiUtTrimFunctionName (FunctionName));
311 
312     va_start (args, Format);
313     AcpiOsVprintf (Format, args);
314     va_end (args);
315 }
316 
317 ACPI_EXPORT_SYMBOL (AcpiDebugPrint)
318 
319 
320 /*******************************************************************************
321  *
322  * FUNCTION:    AcpiDebugPrintRaw
323  *
324  * PARAMETERS:  RequestedDebugLevel - Requested debug print level
325  *              LineNumber          - Caller's line number
326  *              FunctionName        - Caller's procedure name
327  *              ModuleName          - Caller's module name
328  *              ComponentId         - Caller's component ID
329  *              Format              - Printf format field
330  *              ...                 - Optional printf arguments
331  *
332  * RETURN:      None
333  *
334  * DESCRIPTION: Print message with no headers. Has same interface as
335  *              DebugPrint so that the same macros can be used.
336  *
337  ******************************************************************************/
338 
339 void  ACPI_INTERNAL_VAR_XFACE
340 AcpiDebugPrintRaw (
341     UINT32                  RequestedDebugLevel,
342     UINT32                  LineNumber,
343     const char              *FunctionName,
344     const char              *ModuleName,
345     UINT32                  ComponentId,
346     const char              *Format,
347     ...)
348 {
349     va_list                 args;
350 
351 
352     /* Check if debug output enabled */
353 
354     if (!ACPI_IS_DEBUG_ENABLED (RequestedDebugLevel, ComponentId))
355     {
356         return;
357     }
358 
359     va_start (args, Format);
360     AcpiOsVprintf (Format, args);
361     va_end (args);
362 }
363 
364 ACPI_EXPORT_SYMBOL (AcpiDebugPrintRaw)
365 
366 
367 /*******************************************************************************
368  *
369  * FUNCTION:    AcpiUtTrace
370  *
371  * PARAMETERS:  LineNumber          - Caller's line number
372  *              FunctionName        - Caller's procedure name
373  *              ModuleName          - Caller's module name
374  *              ComponentId         - Caller's component ID
375  *
376  * RETURN:      None
377  *
378  * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
379  *              set in DebugLevel
380  *
381  ******************************************************************************/
382 
383 void
384 AcpiUtTrace (
385     UINT32                  LineNumber,
386     const char              *FunctionName,
387     const char              *ModuleName,
388     UINT32                  ComponentId)
389 {
390 
391     AcpiGbl_NestingLevel++;
392     AcpiUtTrackStackPtr ();
393 
394     /* Check if enabled up-front for performance */
395 
396     if (ACPI_IS_DEBUG_ENABLED (ACPI_LV_FUNCTIONS, ComponentId))
397     {
398         AcpiDebugPrint (ACPI_LV_FUNCTIONS,
399             LineNumber, FunctionName, ModuleName, ComponentId,
400             "%s\n", AcpiGbl_FnEntryStr);
401     }
402 }
403 
404 ACPI_EXPORT_SYMBOL (AcpiUtTrace)
405 
406 
407 /*******************************************************************************
408  *
409  * FUNCTION:    AcpiUtTracePtr
410  *
411  * PARAMETERS:  LineNumber          - Caller's line number
412  *              FunctionName        - Caller's procedure name
413  *              ModuleName          - Caller's module name
414  *              ComponentId         - Caller's component ID
415  *              Pointer             - Pointer to display
416  *
417  * RETURN:      None
418  *
419  * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
420  *              set in DebugLevel
421  *
422  ******************************************************************************/
423 
424 void
425 AcpiUtTracePtr (
426     UINT32                  LineNumber,
427     const char              *FunctionName,
428     const char              *ModuleName,
429     UINT32                  ComponentId,
430     void                    *Pointer)
431 {
432 
433     AcpiGbl_NestingLevel++;
434     AcpiUtTrackStackPtr ();
435 
436     /* Check if enabled up-front for performance */
437 
438     if (ACPI_IS_DEBUG_ENABLED (ACPI_LV_FUNCTIONS, ComponentId))
439     {
440         AcpiDebugPrint (ACPI_LV_FUNCTIONS,
441             LineNumber, FunctionName, ModuleName, ComponentId,
442             "%s %p\n", AcpiGbl_FnEntryStr, Pointer);
443     }
444 }
445 
446 
447 /*******************************************************************************
448  *
449  * FUNCTION:    AcpiUtTraceStr
450  *
451  * PARAMETERS:  LineNumber          - Caller's line number
452  *              FunctionName        - Caller's procedure name
453  *              ModuleName          - Caller's module name
454  *              ComponentId         - Caller's component ID
455  *              String              - Additional string to display
456  *
457  * RETURN:      None
458  *
459  * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
460  *              set in DebugLevel
461  *
462  ******************************************************************************/
463 
464 void
465 AcpiUtTraceStr (
466     UINT32                  LineNumber,
467     const char              *FunctionName,
468     const char              *ModuleName,
469     UINT32                  ComponentId,
470     char                    *String)
471 {
472 
473     AcpiGbl_NestingLevel++;
474     AcpiUtTrackStackPtr ();
475 
476     /* Check if enabled up-front for performance */
477 
478     if (ACPI_IS_DEBUG_ENABLED (ACPI_LV_FUNCTIONS, ComponentId))
479     {
480         AcpiDebugPrint (ACPI_LV_FUNCTIONS,
481             LineNumber, FunctionName, ModuleName, ComponentId,
482             "%s %s\n", AcpiGbl_FnEntryStr, String);
483     }
484 }
485 
486 
487 /*******************************************************************************
488  *
489  * FUNCTION:    AcpiUtTraceU32
490  *
491  * PARAMETERS:  LineNumber          - Caller's line number
492  *              FunctionName        - Caller's procedure name
493  *              ModuleName          - Caller's module name
494  *              ComponentId         - Caller's component ID
495  *              Integer             - Integer to display
496  *
497  * RETURN:      None
498  *
499  * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
500  *              set in DebugLevel
501  *
502  ******************************************************************************/
503 
504 void
505 AcpiUtTraceU32 (
506     UINT32                  LineNumber,
507     const char              *FunctionName,
508     const char              *ModuleName,
509     UINT32                  ComponentId,
510     UINT32                  Integer)
511 {
512 
513     AcpiGbl_NestingLevel++;
514     AcpiUtTrackStackPtr ();
515 
516     /* Check if enabled up-front for performance */
517 
518     if (ACPI_IS_DEBUG_ENABLED (ACPI_LV_FUNCTIONS, ComponentId))
519     {
520         AcpiDebugPrint (ACPI_LV_FUNCTIONS,
521             LineNumber, FunctionName, ModuleName, ComponentId,
522             "%s %08X\n", AcpiGbl_FnEntryStr, Integer);
523     }
524 }
525 
526 
527 /*******************************************************************************
528  *
529  * FUNCTION:    AcpiUtExit
530  *
531  * PARAMETERS:  LineNumber          - Caller's line number
532  *              FunctionName        - Caller's procedure name
533  *              ModuleName          - Caller's module name
534  *              ComponentId         - Caller's component ID
535  *
536  * RETURN:      None
537  *
538  * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
539  *              set in DebugLevel
540  *
541  ******************************************************************************/
542 
543 void
544 AcpiUtExit (
545     UINT32                  LineNumber,
546     const char              *FunctionName,
547     const char              *ModuleName,
548     UINT32                  ComponentId)
549 {
550 
551     /* Check if enabled up-front for performance */
552 
553     if (ACPI_IS_DEBUG_ENABLED (ACPI_LV_FUNCTIONS, ComponentId))
554     {
555         AcpiDebugPrint (ACPI_LV_FUNCTIONS,
556             LineNumber, FunctionName, ModuleName, ComponentId,
557             "%s\n", AcpiGbl_FnExitStr);
558     }
559 
560     if (AcpiGbl_NestingLevel)
561     {
562         AcpiGbl_NestingLevel--;
563     }
564 }
565 
566 ACPI_EXPORT_SYMBOL (AcpiUtExit)
567 
568 
569 /*******************************************************************************
570  *
571  * FUNCTION:    AcpiUtStatusExit
572  *
573  * PARAMETERS:  LineNumber          - Caller's line number
574  *              FunctionName        - Caller's procedure name
575  *              ModuleName          - Caller's module name
576  *              ComponentId         - Caller's component ID
577  *              Status              - Exit status code
578  *
579  * RETURN:      None
580  *
581  * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
582  *              set in DebugLevel. Prints exit status also.
583  *
584  ******************************************************************************/
585 
586 void
587 AcpiUtStatusExit (
588     UINT32                  LineNumber,
589     const char              *FunctionName,
590     const char              *ModuleName,
591     UINT32                  ComponentId,
592     ACPI_STATUS             Status)
593 {
594 
595     /* Check if enabled up-front for performance */
596 
597     if (ACPI_IS_DEBUG_ENABLED (ACPI_LV_FUNCTIONS, ComponentId))
598     {
599         if (ACPI_SUCCESS (Status))
600         {
601             AcpiDebugPrint (ACPI_LV_FUNCTIONS,
602                 LineNumber, FunctionName, ModuleName, ComponentId,
603                 "%s %s\n", AcpiGbl_FnExitStr,
604                 AcpiFormatException (Status));
605         }
606         else
607         {
608             AcpiDebugPrint (ACPI_LV_FUNCTIONS,
609                 LineNumber, FunctionName, ModuleName, ComponentId,
610                 "%s ****Exception****: %s\n", AcpiGbl_FnExitStr,
611                 AcpiFormatException (Status));
612         }
613     }
614 
615     if (AcpiGbl_NestingLevel)
616     {
617         AcpiGbl_NestingLevel--;
618     }
619 }
620 
621 ACPI_EXPORT_SYMBOL (AcpiUtStatusExit)
622 
623 
624 /*******************************************************************************
625  *
626  * FUNCTION:    AcpiUtValueExit
627  *
628  * PARAMETERS:  LineNumber          - Caller's line number
629  *              FunctionName        - Caller's procedure name
630  *              ModuleName          - Caller's module name
631  *              ComponentId         - Caller's component ID
632  *              Value               - Value to be printed with exit msg
633  *
634  * RETURN:      None
635  *
636  * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
637  *              set in DebugLevel. Prints exit value also.
638  *
639  ******************************************************************************/
640 
641 void
642 AcpiUtValueExit (
643     UINT32                  LineNumber,
644     const char              *FunctionName,
645     const char              *ModuleName,
646     UINT32                  ComponentId,
647     UINT64                  Value)
648 {
649 
650     /* Check if enabled up-front for performance */
651 
652     if (ACPI_IS_DEBUG_ENABLED (ACPI_LV_FUNCTIONS, ComponentId))
653     {
654         AcpiDebugPrint (ACPI_LV_FUNCTIONS,
655             LineNumber, FunctionName, ModuleName, ComponentId,
656             "%s %8.8X%8.8X\n", AcpiGbl_FnExitStr,
657             ACPI_FORMAT_UINT64 (Value));
658     }
659 
660     if (AcpiGbl_NestingLevel)
661     {
662         AcpiGbl_NestingLevel--;
663     }
664 }
665 
666 ACPI_EXPORT_SYMBOL (AcpiUtValueExit)
667 
668 
669 /*******************************************************************************
670  *
671  * FUNCTION:    AcpiUtPtrExit
672  *
673  * PARAMETERS:  LineNumber          - Caller's line number
674  *              FunctionName        - Caller's procedure name
675  *              ModuleName          - Caller's module name
676  *              ComponentId         - Caller's component ID
677  *              Ptr                 - Pointer to display
678  *
679  * RETURN:      None
680  *
681  * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
682  *              set in DebugLevel. Prints exit value also.
683  *
684  ******************************************************************************/
685 
686 void
687 AcpiUtPtrExit (
688     UINT32                  LineNumber,
689     const char              *FunctionName,
690     const char              *ModuleName,
691     UINT32                  ComponentId,
692     UINT8                   *Ptr)
693 {
694 
695     /* Check if enabled up-front for performance */
696 
697     if (ACPI_IS_DEBUG_ENABLED (ACPI_LV_FUNCTIONS, ComponentId))
698     {
699         AcpiDebugPrint (ACPI_LV_FUNCTIONS,
700             LineNumber, FunctionName, ModuleName, ComponentId,
701             "%s %p\n", AcpiGbl_FnExitStr, Ptr);
702     }
703 
704     if (AcpiGbl_NestingLevel)
705     {
706         AcpiGbl_NestingLevel--;
707     }
708 }
709 
710 
711 /*******************************************************************************
712  *
713  * FUNCTION:    AcpiTracePoint
714  *
715  * PARAMETERS:  Type                - Trace event type
716  *              Begin               - TRUE if before execution
717  *              Aml                 - Executed AML address
718  *              Pathname            - Object path
719  *              Pointer             - Pointer to the related object
720  *
721  * RETURN:      None
722  *
723  * DESCRIPTION: Interpreter execution trace.
724  *
725  ******************************************************************************/
726 
727 void
728 AcpiTracePoint (
729     ACPI_TRACE_EVENT_TYPE   Type,
730     BOOLEAN                 Begin,
731     UINT8                   *Aml,
732     char                    *Pathname)
733 {
734 
735     ACPI_FUNCTION_ENTRY ();
736 
737     AcpiExTracePoint (Type, Begin, Aml, Pathname);
738 
739 #ifdef ACPI_USE_SYSTEM_TRACER
740     AcpiOsTracePoint (Type, Begin, Aml, Pathname);
741 #endif
742 }
743 
744 ACPI_EXPORT_SYMBOL (AcpiTracePoint)
745 
746 #endif
747 
748 
749 #ifdef ACPI_APPLICATION
750 /*******************************************************************************
751  *
752  * FUNCTION:    AcpiLogError
753  *
754  * PARAMETERS:  Format              - Printf format field
755  *              ...                 - Optional printf arguments
756  *
757  * RETURN:      None
758  *
759  * DESCRIPTION: Print error message to the console, used by applications.
760  *
761  ******************************************************************************/
762 
763 void  ACPI_INTERNAL_VAR_XFACE
764 AcpiLogError (
765     const char              *Format,
766     ...)
767 {
768     va_list                 Args;
769 
770     va_start (Args, Format);
771     (void) AcpiUtFileVprintf (ACPI_FILE_ERR, Format, Args);
772     va_end (Args);
773 }
774 
775 ACPI_EXPORT_SYMBOL (AcpiLogError)
776 #endif
777