1 /******************************************************************************
2 *
3 * Module Name: aslutils -- compiler utilities
4 *
5 *****************************************************************************/
6
7 /******************************************************************************
8 *
9 * 1. Copyright Notice
10 *
11 * Some or all of this work - Copyright (c) 1999 - 2017, 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 <contrib/dev/acpica/compiler/aslcompiler.h>
153 #include "aslcompiler.y.h"
154 #include <contrib/dev/acpica/include/acdisasm.h>
155 #include <contrib/dev/acpica/include/acnamesp.h>
156 #include <contrib/dev/acpica/include/amlcode.h>
157 #include <contrib/dev/acpica/include/acapps.h>
158 #include <sys/stat.h>
159
160
161 #define _COMPONENT ACPI_COMPILER
162 ACPI_MODULE_NAME ("aslutils")
163
164
165 /* Local prototypes */
166
167 static void
168 UtPadNameWithUnderscores (
169 char *NameSeg,
170 char *PaddedNameSeg);
171
172 static void
173 UtAttachNameseg (
174 ACPI_PARSE_OBJECT *Op,
175 char *Name);
176
177
178 /*******************************************************************************
179 *
180 * FUNCTION: UtIsBigEndianMachine
181 *
182 * PARAMETERS: None
183 *
184 * RETURN: TRUE if machine is big endian
185 * FALSE if machine is little endian
186 *
187 * DESCRIPTION: Detect whether machine is little endian or big endian.
188 *
189 ******************************************************************************/
190
191 UINT8
UtIsBigEndianMachine(void)192 UtIsBigEndianMachine (
193 void)
194 {
195 union {
196 UINT32 Integer;
197 UINT8 Bytes[4];
198 } Overlay = {0xFF000000};
199
200
201 return (Overlay.Bytes[0]); /* Returns 0xFF (TRUE) for big endian */
202 }
203
204
205 /******************************************************************************
206 *
207 * FUNCTION: UtQueryForOverwrite
208 *
209 * PARAMETERS: Pathname - Output filename
210 *
211 * RETURN: TRUE if file does not exist or overwrite is authorized
212 *
213 * DESCRIPTION: Query for file overwrite if it already exists.
214 *
215 ******************************************************************************/
216
217 BOOLEAN
UtQueryForOverwrite(char * Pathname)218 UtQueryForOverwrite (
219 char *Pathname)
220 {
221 struct stat StatInfo;
222
223
224 if (!stat (Pathname, &StatInfo))
225 {
226 fprintf (stderr, "Target file \"%s\" already exists, overwrite? [y|n] ",
227 Pathname);
228
229 if (getchar () != 'y')
230 {
231 return (FALSE);
232 }
233 }
234
235 return (TRUE);
236 }
237
238
239 /*******************************************************************************
240 *
241 * FUNCTION: UtDisplaySupportedTables
242 *
243 * PARAMETERS: None
244 *
245 * RETURN: None
246 *
247 * DESCRIPTION: Print all supported ACPI table names.
248 *
249 ******************************************************************************/
250
251 void
UtDisplaySupportedTables(void)252 UtDisplaySupportedTables (
253 void)
254 {
255 const AH_TABLE *TableData;
256 UINT32 i;
257
258
259 printf ("\nACPI tables supported by iASL version %8.8X:\n"
260 " (Compiler, Disassembler, Template Generator)\n\n",
261 ACPI_CA_VERSION);
262
263 /* All ACPI tables with the common table header */
264
265 printf ("\n Supported ACPI tables:\n");
266 for (TableData = Gbl_AcpiSupportedTables, i = 1;
267 TableData->Signature; TableData++, i++)
268 {
269 printf ("%8u) %s %s\n", i,
270 TableData->Signature, TableData->Description);
271 }
272 }
273
274
275 /*******************************************************************************
276 *
277 * FUNCTION: UtDisplayConstantOpcodes
278 *
279 * PARAMETERS: None
280 *
281 * RETURN: None
282 *
283 * DESCRIPTION: Print AML opcodes that can be used in constant expressions.
284 *
285 ******************************************************************************/
286
287 void
UtDisplayConstantOpcodes(void)288 UtDisplayConstantOpcodes (
289 void)
290 {
291 UINT32 i;
292
293
294 printf ("Constant expression opcode information\n\n");
295
296 for (i = 0; i < sizeof (AcpiGbl_AmlOpInfo) / sizeof (ACPI_OPCODE_INFO); i++)
297 {
298 if (AcpiGbl_AmlOpInfo[i].Flags & AML_CONSTANT)
299 {
300 printf ("%s\n", AcpiGbl_AmlOpInfo[i].Name);
301 }
302 }
303 }
304
305
306 /*******************************************************************************
307 *
308 * FUNCTION: UtBeginEvent
309 *
310 * PARAMETERS: Name - Ascii name of this event
311 *
312 * RETURN: Event number (integer index)
313 *
314 * DESCRIPTION: Saves the current time with this event
315 *
316 ******************************************************************************/
317
318 UINT8
UtBeginEvent(char * Name)319 UtBeginEvent (
320 char *Name)
321 {
322
323 if (AslGbl_NextEvent >= ASL_NUM_EVENTS)
324 {
325 AcpiOsPrintf ("Ran out of compiler event structs!\n");
326 return (AslGbl_NextEvent);
327 }
328
329 /* Init event with current (start) time */
330
331 AslGbl_Events[AslGbl_NextEvent].StartTime = AcpiOsGetTimer ();
332 AslGbl_Events[AslGbl_NextEvent].EventName = Name;
333 AslGbl_Events[AslGbl_NextEvent].Valid = TRUE;
334 return (AslGbl_NextEvent++);
335 }
336
337
338 /*******************************************************************************
339 *
340 * FUNCTION: UtEndEvent
341 *
342 * PARAMETERS: Event - Event number (integer index)
343 *
344 * RETURN: None
345 *
346 * DESCRIPTION: Saves the current time (end time) with this event
347 *
348 ******************************************************************************/
349
350 void
UtEndEvent(UINT8 Event)351 UtEndEvent (
352 UINT8 Event)
353 {
354
355 if (Event >= ASL_NUM_EVENTS)
356 {
357 return;
358 }
359
360 /* Insert end time for event */
361
362 AslGbl_Events[Event].EndTime = AcpiOsGetTimer ();
363 }
364
365
366 /*******************************************************************************
367 *
368 * FUNCTION: DbgPrint
369 *
370 * PARAMETERS: Type - Type of output
371 * Fmt - Printf format string
372 * ... - variable printf list
373 *
374 * RETURN: None
375 *
376 * DESCRIPTION: Conditional print statement. Prints to stderr only if the
377 * debug flag is set.
378 *
379 ******************************************************************************/
380
381 void
DbgPrint(UINT32 Type,char * Fmt,...)382 DbgPrint (
383 UINT32 Type,
384 char *Fmt,
385 ...)
386 {
387 va_list Args;
388
389
390 if (!Gbl_DebugFlag)
391 {
392 return;
393 }
394
395 if ((Type == ASL_PARSE_OUTPUT) &&
396 (!(AslCompilerdebug)))
397 {
398 return;
399 }
400
401 va_start (Args, Fmt);
402 (void) vfprintf (stderr, Fmt, Args);
403 va_end (Args);
404 return;
405 }
406
407
408 /*******************************************************************************
409 *
410 * FUNCTION: UtSetParseOpName
411 *
412 * PARAMETERS: Op - Parse op to be named.
413 *
414 * RETURN: None
415 *
416 * DESCRIPTION: Insert the ascii name of the parse opcode
417 *
418 ******************************************************************************/
419
420 void
UtSetParseOpName(ACPI_PARSE_OBJECT * Op)421 UtSetParseOpName (
422 ACPI_PARSE_OBJECT *Op)
423 {
424
425 AcpiUtSafeStrncpy (Op->Asl.ParseOpName, UtGetOpName (Op->Asl.ParseOpcode),
426 ACPI_MAX_PARSEOP_NAME);
427 }
428
429
430 /*******************************************************************************
431 *
432 * FUNCTION: UtDisplaySummary
433 *
434 * PARAMETERS: FileID - ID of outpout file
435 *
436 * RETURN: None
437 *
438 * DESCRIPTION: Display compilation statistics
439 *
440 ******************************************************************************/
441
442 void
UtDisplaySummary(UINT32 FileId)443 UtDisplaySummary (
444 UINT32 FileId)
445 {
446 UINT32 i;
447
448
449 if (FileId != ASL_FILE_STDOUT)
450 {
451 /* Compiler name and version number */
452
453 FlPrintFile (FileId, "%s version %X\n\n",
454 ASL_COMPILER_NAME, (UINT32) ACPI_CA_VERSION);
455 }
456
457 /* Summary of main input and output files */
458
459 if (Gbl_FileType == ASL_INPUT_TYPE_ASCII_DATA)
460 {
461 FlPrintFile (FileId,
462 "%-14s %s - %u lines, %u bytes, %u fields\n",
463 "Table Input:",
464 Gbl_Files[ASL_FILE_INPUT].Filename, Gbl_CurrentLineNumber,
465 Gbl_InputByteCount, Gbl_InputFieldCount);
466
467 if ((Gbl_ExceptionCount[ASL_ERROR] == 0) || (Gbl_IgnoreErrors))
468 {
469 FlPrintFile (FileId,
470 "%-14s %s - %u bytes\n",
471 "Binary Output:",
472 Gbl_Files[ASL_FILE_AML_OUTPUT].Filename, Gbl_TableLength);
473 }
474 }
475 else
476 {
477 FlPrintFile (FileId,
478 "%-14s %s - %u lines, %u bytes, %u keywords\n",
479 "ASL Input:",
480 Gbl_Files[ASL_FILE_INPUT].Filename, Gbl_CurrentLineNumber,
481 Gbl_OriginalInputFileSize, TotalKeywords);
482
483 /* AML summary */
484
485 if ((Gbl_ExceptionCount[ASL_ERROR] == 0) || (Gbl_IgnoreErrors))
486 {
487 if (Gbl_Files[ASL_FILE_AML_OUTPUT].Handle)
488 {
489 FlPrintFile (FileId,
490 "%-14s %s - %u bytes, %u named objects, "
491 "%u executable opcodes\n",
492 "AML Output:",
493 Gbl_Files[ASL_FILE_AML_OUTPUT].Filename,
494 FlGetFileSize (ASL_FILE_AML_OUTPUT),
495 TotalNamedObjects, TotalExecutableOpcodes);
496 }
497 }
498 }
499
500 /* Display summary of any optional files */
501
502 for (i = ASL_FILE_SOURCE_OUTPUT; i <= ASL_MAX_FILE_TYPE; i++)
503 {
504 if (!Gbl_Files[i].Filename || !Gbl_Files[i].Handle)
505 {
506 continue;
507 }
508
509 /* .SRC is a temp file unless specifically requested */
510
511 if ((i == ASL_FILE_SOURCE_OUTPUT) && (!Gbl_SourceOutputFlag))
512 {
513 continue;
514 }
515
516 /* .PRE is the preprocessor intermediate file */
517
518 if ((i == ASL_FILE_PREPROCESSOR) && (!Gbl_KeepPreprocessorTempFile))
519 {
520 continue;
521 }
522
523 FlPrintFile (FileId, "%14s %s - %u bytes\n",
524 Gbl_Files[i].ShortDescription,
525 Gbl_Files[i].Filename, FlGetFileSize (i));
526 }
527
528 /* Error summary */
529
530 FlPrintFile (FileId,
531 "\nCompilation complete. %u Errors, %u Warnings, %u Remarks",
532 Gbl_ExceptionCount[ASL_ERROR],
533 Gbl_ExceptionCount[ASL_WARNING] +
534 Gbl_ExceptionCount[ASL_WARNING2] +
535 Gbl_ExceptionCount[ASL_WARNING3],
536 Gbl_ExceptionCount[ASL_REMARK]);
537
538 if (Gbl_FileType != ASL_INPUT_TYPE_ASCII_DATA)
539 {
540 FlPrintFile (FileId, ", %u Optimizations",
541 Gbl_ExceptionCount[ASL_OPTIMIZATION]);
542
543 if (TotalFolds)
544 {
545 FlPrintFile (FileId, ", %u Constants Folded", TotalFolds);
546 }
547 }
548
549 FlPrintFile (FileId, "\n");
550 }
551
552
553 /*******************************************************************************
554 *
555 * FUNCTION: UtCheckIntegerRange
556 *
557 * PARAMETERS: Op - Integer parse node
558 * LowValue - Smallest allowed value
559 * HighValue - Largest allowed value
560 *
561 * RETURN: Op if OK, otherwise NULL
562 *
563 * DESCRIPTION: Check integer for an allowable range
564 *
565 ******************************************************************************/
566
567 ACPI_PARSE_OBJECT *
UtCheckIntegerRange(ACPI_PARSE_OBJECT * Op,UINT32 LowValue,UINT32 HighValue)568 UtCheckIntegerRange (
569 ACPI_PARSE_OBJECT *Op,
570 UINT32 LowValue,
571 UINT32 HighValue)
572 {
573
574 if (!Op)
575 {
576 return (NULL);
577 }
578
579 if ((Op->Asl.Value.Integer < LowValue) ||
580 (Op->Asl.Value.Integer > HighValue))
581 {
582 sprintf (MsgBuffer, "0x%X, allowable: 0x%X-0x%X",
583 (UINT32) Op->Asl.Value.Integer, LowValue, HighValue);
584
585 AslError (ASL_ERROR, ASL_MSG_RANGE, Op, MsgBuffer);
586 return (NULL);
587 }
588
589 return (Op);
590 }
591
592
593 /*******************************************************************************
594 *
595 * FUNCTION: UtInternalizeName
596 *
597 * PARAMETERS: ExternalName - Name to convert
598 * ConvertedName - Where the converted name is returned
599 *
600 * RETURN: Status
601 *
602 * DESCRIPTION: Convert an external (ASL) name to an internal (AML) name
603 *
604 ******************************************************************************/
605
606 ACPI_STATUS
UtInternalizeName(char * ExternalName,char ** ConvertedName)607 UtInternalizeName (
608 char *ExternalName,
609 char **ConvertedName)
610 {
611 ACPI_NAMESTRING_INFO Info;
612 ACPI_STATUS Status;
613
614
615 if (!ExternalName)
616 {
617 return (AE_OK);
618 }
619
620 /* Get the length of the new internal name */
621
622 Info.ExternalName = ExternalName;
623 AcpiNsGetInternalNameLength (&Info);
624
625 /* We need a segment to store the internal name */
626
627 Info.InternalName = UtLocalCacheCalloc (Info.Length);
628
629 /* Build the name */
630
631 Status = AcpiNsBuildInternalName (&Info);
632 if (ACPI_FAILURE (Status))
633 {
634 return (Status);
635 }
636
637 *ConvertedName = Info.InternalName;
638 return (AE_OK);
639 }
640
641
642 /*******************************************************************************
643 *
644 * FUNCTION: UtPadNameWithUnderscores
645 *
646 * PARAMETERS: NameSeg - Input nameseg
647 * PaddedNameSeg - Output padded nameseg
648 *
649 * RETURN: Padded nameseg.
650 *
651 * DESCRIPTION: Pads a NameSeg with underscores if necessary to form a full
652 * ACPI_NAME.
653 *
654 ******************************************************************************/
655
656 static void
UtPadNameWithUnderscores(char * NameSeg,char * PaddedNameSeg)657 UtPadNameWithUnderscores (
658 char *NameSeg,
659 char *PaddedNameSeg)
660 {
661 UINT32 i;
662
663
664 for (i = 0; (i < ACPI_NAME_SIZE); i++)
665 {
666 if (*NameSeg)
667 {
668 *PaddedNameSeg = *NameSeg;
669 NameSeg++;
670 }
671 else
672 {
673 *PaddedNameSeg = '_';
674 }
675
676 PaddedNameSeg++;
677 }
678 }
679
680
681 /*******************************************************************************
682 *
683 * FUNCTION: UtAttachNameseg
684 *
685 * PARAMETERS: Op - Parent parse node
686 * Name - Full ExternalName
687 *
688 * RETURN: None; Sets the NameSeg field in parent node
689 *
690 * DESCRIPTION: Extract the last nameseg of the ExternalName and store it
691 * in the NameSeg field of the Op.
692 *
693 ******************************************************************************/
694
695 static void
UtAttachNameseg(ACPI_PARSE_OBJECT * Op,char * Name)696 UtAttachNameseg (
697 ACPI_PARSE_OBJECT *Op,
698 char *Name)
699 {
700 char *NameSeg;
701 char PaddedNameSeg[4];
702
703
704 if (!Name)
705 {
706 return;
707 }
708
709 /* Look for the last dot in the namepath */
710
711 NameSeg = strrchr (Name, '.');
712 if (NameSeg)
713 {
714 /* Found last dot, we have also found the final nameseg */
715
716 NameSeg++;
717 UtPadNameWithUnderscores (NameSeg, PaddedNameSeg);
718 }
719 else
720 {
721 /* No dots in the namepath, there is only a single nameseg. */
722 /* Handle prefixes */
723
724 while (ACPI_IS_ROOT_PREFIX (*Name) ||
725 ACPI_IS_PARENT_PREFIX (*Name))
726 {
727 Name++;
728 }
729
730 /* Remaining string should be one single nameseg */
731
732 UtPadNameWithUnderscores (Name, PaddedNameSeg);
733 }
734
735 ACPI_MOVE_NAME (Op->Asl.NameSeg, PaddedNameSeg);
736 }
737
738
739 /*******************************************************************************
740 *
741 * FUNCTION: UtAttachNamepathToOwner
742 *
743 * PARAMETERS: Op - Parent parse node
744 * NameOp - Node that contains the name
745 *
746 * RETURN: Sets the ExternalName and Namepath in the parent node
747 *
748 * DESCRIPTION: Store the name in two forms in the parent node: The original
749 * (external) name, and the internalized name that is used within
750 * the ACPI namespace manager.
751 *
752 ******************************************************************************/
753
754 void
UtAttachNamepathToOwner(ACPI_PARSE_OBJECT * Op,ACPI_PARSE_OBJECT * NameOp)755 UtAttachNamepathToOwner (
756 ACPI_PARSE_OBJECT *Op,
757 ACPI_PARSE_OBJECT *NameOp)
758 {
759 ACPI_STATUS Status;
760
761
762 /* Full external path */
763
764 Op->Asl.ExternalName = NameOp->Asl.Value.String;
765
766 /* Save the NameOp for possible error reporting later */
767
768 Op->Asl.ParentMethod = (void *) NameOp;
769
770 /* Last nameseg of the path */
771
772 UtAttachNameseg (Op, Op->Asl.ExternalName);
773
774 /* Create internalized path */
775
776 Status = UtInternalizeName (NameOp->Asl.Value.String, &Op->Asl.Namepath);
777 if (ACPI_FAILURE (Status))
778 {
779 /* TBD: abort on no memory */
780 }
781 }
782
783
784 /*******************************************************************************
785 *
786 * FUNCTION: UtDoConstant
787 *
788 * PARAMETERS: String - Hex/Decimal/Octal
789 *
790 * RETURN: Converted Integer
791 *
792 * DESCRIPTION: Convert a string to an integer, with overflow/error checking.
793 *
794 ******************************************************************************/
795
796 UINT64
UtDoConstant(char * String)797 UtDoConstant (
798 char *String)
799 {
800 ACPI_STATUS Status;
801 UINT64 ConvertedInteger;
802 char ErrBuf[64];
803
804
805 Status = AcpiUtStrtoul64 (String, &ConvertedInteger);
806 if (ACPI_FAILURE (Status))
807 {
808 sprintf (ErrBuf, "While creating 64-bit constant: %s\n",
809 AcpiFormatException (Status));
810
811 AslCommonError (ASL_ERROR, ASL_MSG_SYNTAX, Gbl_CurrentLineNumber,
812 Gbl_LogicalLineNumber, Gbl_CurrentLineOffset,
813 Gbl_CurrentColumn, Gbl_Files[ASL_FILE_INPUT].Filename, ErrBuf);
814 }
815
816 return (ConvertedInteger);
817 }
818