xref: /freebsd/sys/contrib/dev/acpica/compiler/aslfiles.c (revision e17f5b1d307b7b8910d67883e57a9604305906d5)
1 /******************************************************************************
2  *
3  * Module Name: aslfiles - File support functions
4  *
5  *****************************************************************************/
6 
7 /******************************************************************************
8  *
9  * 1. Copyright Notice
10  *
11  * Some or all of this work - Copyright (c) 1999 - 2020, 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 <contrib/dev/acpica/include/acapps.h>
154 
155 #define _COMPONENT          ACPI_COMPILER
156         ACPI_MODULE_NAME    ("aslfiles")
157 
158 /* Local prototypes */
159 
160 static FILE *
161 FlOpenIncludeWithPrefix (
162     char                    *PrefixDir,
163     ACPI_PARSE_OBJECT       *Op,
164     char                    *Filename);
165 
166 static BOOLEAN
167 FlInputFileExists (
168     char                    *InputFilename);
169 
170 #ifdef ACPI_OBSOLETE_FUNCTIONS
171 ACPI_STATUS
172 FlParseInputPathname (
173     char                    *InputFilename);
174 #endif
175 
176 
177 /*******************************************************************************
178  *
179  * FUNCTION:    FlInitOneFile
180  *
181  * PARAMETERS:  InputFilename       - The user-specified ASL source file to be
182  *                                    compiled
183  *
184  * RETURN:      Status
185  *
186  * DESCRIPTION: Initialize global file structure for one input file. This file
187  *              structure contains references to input, output, debugging, and
188  *              other miscellaneous files that are associated for a single
189  *              input ASL file.
190  *
191  ******************************************************************************/
192 
193 ACPI_STATUS
194 FlInitOneFile (
195     char                    *InputFilename)
196 {
197     UINT32                  i;
198     ASL_GLOBAL_FILE_NODE    *NewFileNode;
199 
200 
201     if (FlInputFileExists (InputFilename))
202     {
203         AslError (ASL_ERROR, ASL_MSG_DUPLICATE_INPUT_FILE, NULL, InputFilename);
204         return (AE_ALREADY_EXISTS);
205     }
206 
207     NewFileNode = ACPI_CAST_PTR (ASL_GLOBAL_FILE_NODE,
208         UtLocalCacheCalloc (sizeof (ASL_GLOBAL_FILE_NODE)));
209 
210     NewFileNode->ParserErrorDetected = FALSE;
211     NewFileNode->Next = AslGbl_FilesList;
212 
213     AslGbl_FilesList = NewFileNode;
214     AslGbl_Files = NewFileNode->Files;
215 
216     for (i = 0; i < ASL_NUM_FILES; i++)
217     {
218         AslGbl_Files[i].Handle = NULL;
219         AslGbl_Files[i].Filename = NULL;
220     }
221 
222     AslGbl_Files[ASL_FILE_STDOUT].Handle   = stdout;
223     AslGbl_Files[ASL_FILE_STDOUT].Filename = "STDOUT";
224 
225     if (AslGbl_VerboseErrors)
226     {
227         AslGbl_Files[ASL_FILE_STDERR].Handle = stderr;
228     }
229     else
230     {
231         AslGbl_Files[ASL_FILE_STDERR].Handle = stdout;
232     }
233 
234     AslGbl_Files[ASL_FILE_STDERR].Filename = "STDERR";
235     return (AE_OK);
236 }
237 
238 
239 /*******************************************************************************
240  *
241  * FUNCTION:    FlInputFileExists
242  *
243  * PARAMETERS:  Filename       - File name to be searched
244  *
245  * RETURN:      Status
246  *
247  * DESCRIPTION: Returns true if the file name already exists.
248  *
249  ******************************************************************************/
250 
251 static BOOLEAN
252 FlInputFileExists (
253     char                    *Filename)
254 {
255     ASL_GLOBAL_FILE_NODE    *Current = AslGbl_FilesList;
256 
257 
258     while (Current)
259     {
260         if (!strcmp (Filename, Current->Files[ASL_FILE_INPUT].Filename))
261         {
262             return (TRUE);
263         }
264 
265         Current = Current->Next;
266     }
267 
268     return (FALSE);
269 }
270 
271 
272 /*******************************************************************************
273  *
274  * FUNCTION:    FlSwitchFileSet
275  *
276  * PARAMETERS:  Op        - Parse node for the LINE asl statement
277  *
278  * RETURN:      None.
279  *
280  * DESCRIPTION: Set the current line number
281  *
282  ******************************************************************************/
283 
284 ASL_FILE_SWITCH_STATUS
285 FlSwitchFileSet (
286     char                    *InputFilename)
287 {
288     ASL_GLOBAL_FILE_NODE    *Current = AslGbl_FilesList;
289     char                    *PrevFilename = Current->Files[ASL_FILE_INPUT].Filename;
290 
291 
292     while (Current)
293     {
294         if (!strcmp(Current->Files[ASL_FILE_INPUT].Filename, InputFilename))
295         {
296             AslGbl_Files = Current->Files;
297             AslGbl_TableSignature = Current->TableSignature;
298             AslGbl_TableId = Current->TableId;
299 
300             if (!strcmp (InputFilename, PrevFilename))
301             {
302                 return (SWITCH_TO_SAME_FILE);
303             }
304             else
305             {
306                 return (SWITCH_TO_DIFFERENT_FILE);
307             }
308         }
309 
310         Current = Current->Next;
311     }
312 
313     return (FILE_NOT_FOUND);
314 }
315 
316 
317 /*******************************************************************************
318  *
319  * FUNCTION:    FlGetFileHandle
320  *
321  * PARAMETERS:  OutFileId       - denotes file type of output handle
322  *              InFileId        - denotes file type of the input Filename
323  *              Filename
324  *
325  * RETURN:      File handle
326  *
327  * DESCRIPTION: Get the file handle for a particular filename/FileId. This
328  *              function also allows the caller to specify the file Id of the
329  *              desired type.
330  *
331  ******************************************************************************/
332 
333 FILE *
334 FlGetFileHandle (
335     UINT32                  OutFileId,
336     UINT32                  InFileId,
337     char                    *Filename)
338 {
339     ASL_GLOBAL_FILE_NODE    *Current = AslGbl_FilesList;
340 
341 
342     if (!Filename)
343     {
344         return (NULL);
345     }
346 
347     while (Current)
348     {
349         if (!strcmp (Current->Files[InFileId].Filename, Filename))
350         {
351             return (Current->Files[OutFileId].Handle);
352         }
353 
354         Current = Current->Next;
355     }
356 
357     return (NULL);
358 }
359 
360 
361 /*******************************************************************************
362  *
363  * FUNCTION:    FlGetFileNode
364  *
365  * PARAMETERS:  FileId        - File type (ID) of the input Filename
366  *              Filename      - File to search for
367  *
368  * RETURN:      A global file node
369  *
370  * DESCRIPTION: Get the file node for a particular filename/FileId.
371  *
372  ******************************************************************************/
373 
374 ASL_GLOBAL_FILE_NODE *
375 FlGetFileNode (
376     UINT32                  FileId,
377     char                    *Filename)
378 {
379     ASL_GLOBAL_FILE_NODE    *Current = AslGbl_FilesList;
380 
381 
382     if (!Filename)
383     {
384         return (NULL);
385     }
386 
387     while (Current)
388     {
389         if (!strcmp (Current->Files[FileId].Filename, Filename))
390         {
391             return (Current);
392         }
393 
394         Current = Current->Next;
395     }
396 
397     return (NULL);
398 }
399 
400 
401 /*******************************************************************************
402  *
403  * FUNCTION:    FlGetCurrentFileNode
404  *
405  * PARAMETERS:  None
406  *
407  * RETURN:      Global file node
408  *
409  * DESCRIPTION: Get the current input file node
410  *
411  ******************************************************************************/
412 
413 ASL_GLOBAL_FILE_NODE *
414 FlGetCurrentFileNode (
415     void)
416 {
417     ASL_GLOBAL_FILE_NODE    *FileNode =
418         FlGetFileNode (ASL_FILE_INPUT,AslGbl_Files[ASL_FILE_INPUT].Filename);
419 
420 
421     if (!FileNode)
422     {
423         /*
424          * If the current file node does not exist after initializing the file
425          * node structures, something went wrong and this is an unrecoverable
426          * condition.
427          */
428         FlFileError (ASL_FILE_INPUT, ASL_MSG_COMPILER_INTERNAL);
429         AslAbort ();
430     }
431 
432     return (FileNode);
433 }
434 
435 
436 /*******************************************************************************
437  *
438  * FUNCTION:    FlSetLineNumber
439  *
440  * PARAMETERS:  Op        - Parse node for the LINE asl statement
441  *
442  * RETURN:      None.
443  *
444  * DESCRIPTION: Set the current line number
445  *
446  ******************************************************************************/
447 
448 void
449 FlSetLineNumber (
450     UINT32                  LineNumber)
451 {
452 
453     DbgPrint (ASL_PARSE_OUTPUT, "\n#line: New line number %u (old %u)\n",
454          LineNumber, AslGbl_LogicalLineNumber);
455 
456     AslGbl_CurrentLineNumber = LineNumber;
457 }
458 
459 
460 /*******************************************************************************
461  *
462  * FUNCTION:    FlSetFilename
463  *
464  * PARAMETERS:  Op        - Parse node for the LINE asl statement
465  *
466  * RETURN:      None.
467  *
468  * DESCRIPTION: Set the current filename
469  *
470  ******************************************************************************/
471 
472 void
473 FlSetFilename (
474     char                    *Filename)
475 {
476 
477     DbgPrint (ASL_PARSE_OUTPUT, "\n#line: New filename %s (old %s)\n",
478          Filename, AslGbl_Files[ASL_FILE_INPUT].Filename);
479 
480     /* No need to free any existing filename */
481 
482     AslGbl_Files[ASL_FILE_INPUT].Filename = Filename;
483 }
484 
485 
486 /*******************************************************************************
487  *
488  * FUNCTION:    FlAddIncludeDirectory
489  *
490  * PARAMETERS:  Dir             - Directory pathname string
491  *
492  * RETURN:      None
493  *
494  * DESCRIPTION: Add a directory the list of include prefix directories.
495  *
496  ******************************************************************************/
497 
498 void
499 FlAddIncludeDirectory (
500     char                    *Dir)
501 {
502     ASL_INCLUDE_DIR         *NewDir;
503     ASL_INCLUDE_DIR         *NextDir;
504     ASL_INCLUDE_DIR         *PrevDir = NULL;
505     UINT32                  NeedsSeparator = 0;
506     size_t                  DirLength;
507 
508 
509     DirLength = strlen (Dir);
510     if (!DirLength)
511     {
512         return;
513     }
514 
515     /* Make sure that the pathname ends with a path separator */
516 
517     if ((Dir[DirLength-1] != '/') &&
518         (Dir[DirLength-1] != '\\'))
519     {
520         NeedsSeparator = 1;
521     }
522 
523     NewDir = ACPI_CAST_PTR (ASL_INCLUDE_DIR,
524         UtLocalCacheCalloc (sizeof (ASL_INCLUDE_DIR)));
525     NewDir->Dir = UtLocalCacheCalloc (DirLength + 1 + NeedsSeparator);
526     strcpy (NewDir->Dir, Dir);
527     if (NeedsSeparator)
528     {
529         strcat (NewDir->Dir, "/");
530     }
531 
532     /*
533      * Preserve command line ordering of -I options by adding new elements
534      * at the end of the list
535      */
536     NextDir = AslGbl_IncludeDirList;
537     while (NextDir)
538     {
539         PrevDir = NextDir;
540         NextDir = NextDir->Next;
541     }
542 
543     if (PrevDir)
544     {
545         PrevDir->Next = NewDir;
546     }
547     else
548     {
549         AslGbl_IncludeDirList = NewDir;
550     }
551 }
552 
553 
554 /*******************************************************************************
555  *
556  * FUNCTION:    FlMergePathnames
557  *
558  * PARAMETERS:  PrefixDir       - Prefix directory pathname. Can be NULL or
559  *                                a zero length string.
560  *              FilePathname    - The include filename from the source ASL.
561  *
562  * RETURN:      Merged pathname string
563  *
564  * DESCRIPTION: Merge two pathnames that (probably) have common elements, to
565  *              arrive at a minimal length string. Merge can occur if the
566  *              FilePathname is relative to the PrefixDir.
567  *
568  ******************************************************************************/
569 
570 char *
571 FlMergePathnames (
572     char                    *PrefixDir,
573     char                    *FilePathname)
574 {
575     char                    *CommonPath;
576     char                    *Pathname;
577     char                    *LastElement;
578 
579 
580     DbgPrint (ASL_PARSE_OUTPUT, "Include: Prefix path - \"%s\"\n"
581         "Include: FilePathname - \"%s\"\n",
582          PrefixDir, FilePathname);
583 
584     /*
585      * If there is no prefix directory or if the file pathname is absolute,
586      * just return the original file pathname
587      */
588     if (!PrefixDir || (!*PrefixDir) ||
589         (*FilePathname == '/') ||
590          (FilePathname[1] == ':'))
591     {
592         Pathname = UtLocalCacheCalloc (strlen (FilePathname) + 1);
593         strcpy (Pathname, FilePathname);
594         goto ConvertBackslashes;
595     }
596 
597     /* Need a local copy of the prefix directory path */
598 
599     CommonPath = UtLocalCacheCalloc (strlen (PrefixDir) + 1);
600     strcpy (CommonPath, PrefixDir);
601 
602     /*
603      * Walk forward through the file path, and simultaneously backward
604      * through the prefix directory path until there are no more
605      * relative references at the start of the file path.
606      */
607     while (*FilePathname && (!strncmp (FilePathname, "../", 3)))
608     {
609         /* Remove last element of the prefix directory path */
610 
611         LastElement = strrchr (CommonPath, '/');
612         if (!LastElement)
613         {
614             goto ConcatenatePaths;
615         }
616 
617         *LastElement = 0;   /* Terminate CommonPath string */
618         FilePathname += 3;  /* Point to next path element */
619     }
620 
621     /*
622      * Remove the last element of the prefix directory path (it is the same as
623      * the first element of the file pathname), and build the final merged
624      * pathname.
625      */
626     LastElement = strrchr (CommonPath, '/');
627     if (LastElement)
628     {
629         *LastElement = 0;
630     }
631 
632     /* Build the final merged pathname */
633 
634 ConcatenatePaths:
635     Pathname = UtLocalCacheCalloc (
636         strlen (CommonPath) + strlen (FilePathname) + 2);
637     if (LastElement && *CommonPath)
638     {
639         strcpy (Pathname, CommonPath);
640         strcat (Pathname, "/");
641     }
642     strcat (Pathname, FilePathname);
643 
644     /* Convert all backslashes to normal slashes */
645 
646 ConvertBackslashes:
647     UtConvertBackslashes (Pathname);
648 
649     DbgPrint (ASL_PARSE_OUTPUT, "Include: Merged Pathname - \"%s\"\n",
650          Pathname);
651     return (Pathname);
652 }
653 
654 
655 /*******************************************************************************
656  *
657  * FUNCTION:    FlOpenIncludeWithPrefix
658  *
659  * PARAMETERS:  PrefixDir       - Prefix directory pathname. Can be a zero
660  *                                length string.
661  *              Filename        - The include filename from the source ASL.
662  *
663  * RETURN:      Valid file descriptor if successful. Null otherwise.
664  *
665  * DESCRIPTION: Open an include file and push it on the input file stack.
666  *
667  ******************************************************************************/
668 
669 static FILE *
670 FlOpenIncludeWithPrefix (
671     char                    *PrefixDir,
672     ACPI_PARSE_OBJECT       *Op,
673     char                    *Filename)
674 {
675     FILE                    *IncludeFile;
676     char                    *Pathname;
677     UINT32                  OriginalLineNumber;
678 
679 
680     /* Build the full pathname to the file */
681 
682     Pathname = FlMergePathnames (PrefixDir, Filename);
683 
684     DbgPrint (ASL_PARSE_OUTPUT, "Include: Opening file - \"%s\"\n\n",
685         Pathname);
686 
687     /* Attempt to open the file, push if successful */
688 
689     IncludeFile = fopen (Pathname, "r");
690     if (!IncludeFile)
691     {
692         return (NULL);
693     }
694 
695     /*
696      * Check the entire include file for any # preprocessor directives.
697      * This is because there may be some confusion between the #include
698      * preprocessor directive and the ASL Include statement. A file included
699      * by the ASL include cannot contain preprocessor directives because
700      * the preprocessor has already run by the time the ASL include is
701      * recognized (by the compiler, not the preprocessor.)
702      *
703      * Note: DtGetNextLine strips/ignores comments.
704      * Save current line number since DtGetNextLine modifies it.
705      */
706     AslGbl_CurrentLineNumber--;
707     OriginalLineNumber = AslGbl_CurrentLineNumber;
708 
709     while (DtGetNextLine (IncludeFile, DT_ALLOW_MULTILINE_QUOTES) != ASL_EOF)
710     {
711         if (AslGbl_CurrentLineBuffer[0] == '#')
712         {
713             AslError (ASL_ERROR, ASL_MSG_INCLUDE_FILE,
714                 Op, "use #include instead");
715         }
716     }
717 
718     AslGbl_CurrentLineNumber = OriginalLineNumber;
719 
720     /* Must seek back to the start of the file */
721 
722     fseek (IncludeFile, 0, SEEK_SET);
723 
724     /* Push the include file on the open input file stack */
725 
726     AslPushInputFileStack (IncludeFile, Pathname);
727     return (IncludeFile);
728 }
729 
730 
731 /*******************************************************************************
732  *
733  * FUNCTION:    FlOpenIncludeFile
734  *
735  * PARAMETERS:  Op        - Parse node for the INCLUDE ASL statement
736  *
737  * RETURN:      None.
738  *
739  * DESCRIPTION: Open an include file and push it on the input file stack.
740  *
741  ******************************************************************************/
742 
743 void
744 FlOpenIncludeFile (
745     ACPI_PARSE_OBJECT       *Op)
746 {
747     FILE                    *IncludeFile;
748     ASL_INCLUDE_DIR         *NextDir;
749 
750 
751     /* Op must be valid */
752 
753     if (!Op)
754     {
755         AslCommonError (ASL_ERROR, ASL_MSG_INCLUDE_FILE_OPEN,
756             AslGbl_CurrentLineNumber, AslGbl_LogicalLineNumber,
757             AslGbl_InputByteCount, AslGbl_CurrentColumn,
758             AslGbl_Files[ASL_FILE_INPUT].Filename, " - Null parse node");
759 
760         return;
761     }
762 
763     /*
764      * Flush out the "include ()" statement on this line, start
765      * the actual include file on the next line
766      */
767     AslResetCurrentLineBuffer ();
768     FlPrintFile (ASL_FILE_SOURCE_OUTPUT, "\n");
769     AslGbl_CurrentLineOffset++;
770 
771 
772     /* Attempt to open the include file */
773 
774     /* If the file specifies an absolute path, just open it */
775 
776     if ((Op->Asl.Value.String[0] == '/')  ||
777         (Op->Asl.Value.String[0] == '\\') ||
778         (Op->Asl.Value.String[1] == ':'))
779     {
780         IncludeFile = FlOpenIncludeWithPrefix ("", Op, Op->Asl.Value.String);
781         if (!IncludeFile)
782         {
783             goto ErrorExit;
784         }
785         return;
786     }
787 
788     /*
789      * The include filename is not an absolute path.
790      *
791      * First, search for the file within the "local" directory -- meaning
792      * the same directory that contains the source file.
793      *
794      * Construct the file pathname from the global directory name.
795      */
796     IncludeFile = FlOpenIncludeWithPrefix (
797         AslGbl_DirectoryPath, Op, Op->Asl.Value.String);
798     if (IncludeFile)
799     {
800         return;
801     }
802 
803     /*
804      * Second, search for the file within the (possibly multiple) directories
805      * specified by the -I option on the command line.
806      */
807     NextDir = AslGbl_IncludeDirList;
808     while (NextDir)
809     {
810         IncludeFile = FlOpenIncludeWithPrefix (
811             NextDir->Dir, Op, Op->Asl.Value.String);
812         if (IncludeFile)
813         {
814             return;
815         }
816 
817         NextDir = NextDir->Next;
818     }
819 
820     /* We could not open the include file after trying very hard */
821 
822 ErrorExit:
823     sprintf (AslGbl_MsgBuffer, "%s, %s", Op->Asl.Value.String, strerror (errno));
824     AslError (ASL_ERROR, ASL_MSG_INCLUDE_FILE_OPEN, Op, AslGbl_MsgBuffer);
825 }
826 
827 
828 /*******************************************************************************
829  *
830  * FUNCTION:    FlOpenInputFile
831  *
832  * PARAMETERS:  InputFilename       - The user-specified ASL source file to be
833  *                                    compiled
834  *
835  * RETURN:      Status
836  *
837  * DESCRIPTION: Open the specified input file, and save the directory path to
838  *              the file so that include files can be opened in
839  *              the same directory.
840  *
841  ******************************************************************************/
842 
843 ACPI_STATUS
844 FlOpenInputFile (
845     char                    *InputFilename)
846 {
847 
848     /* Open the input ASL file, text mode */
849 
850     FlOpenFile (ASL_FILE_INPUT, InputFilename, "rt");
851     AslCompilerin = AslGbl_Files[ASL_FILE_INPUT].Handle;
852 
853     return (AE_OK);
854 }
855 
856 
857 /*******************************************************************************
858  *
859  * FUNCTION:    FlOpenAmlOutputFile
860  *
861  * PARAMETERS:  FilenamePrefix       - The user-specified ASL source file
862  *
863  * RETURN:      Status
864  *
865  * DESCRIPTION: Create the output filename (*.AML) and open the file. The file
866  *              is created in the same directory as the parent input file.
867  *
868  ******************************************************************************/
869 
870 ACPI_STATUS
871 FlOpenAmlOutputFile (
872     char                    *FilenamePrefix)
873 {
874     char                    *Filename;
875 
876 
877     /* Output filename usually comes from the ASL itself */
878 
879     Filename = AslGbl_Files[ASL_FILE_AML_OUTPUT].Filename;
880     if (!Filename)
881     {
882         /* Create the output AML filename */
883         if (!AcpiGbl_CaptureComments)
884         {
885             Filename = FlGenerateFilename (FilenamePrefix, FILE_SUFFIX_AML_CODE);
886         }
887         else
888         {
889             Filename = FlGenerateFilename (FilenamePrefix, FILE_SUFFIX_CONVERT_AML);
890         }
891         if (!Filename)
892         {
893             AslCommonError (ASL_ERROR, ASL_MSG_OUTPUT_FILENAME,
894                 0, 0, 0, 0, NULL, NULL);
895             return (AE_ERROR);
896         }
897 
898         AslGbl_Files[ASL_FILE_AML_OUTPUT].Filename = Filename;
899     }
900 
901     /* Open the output AML file in binary mode */
902 
903     FlOpenFile (ASL_FILE_AML_OUTPUT, Filename, "w+b");
904     return (AE_OK);
905 }
906 
907 
908 /*******************************************************************************
909  *
910  * FUNCTION:    FlOpenMiscOutputFiles
911  *
912  * PARAMETERS:  FilenamePrefix       - The user-specified ASL source file
913  *
914  * RETURN:      Status
915  *
916  * DESCRIPTION: Create and open the various output files needed, depending on
917  *              the command line options
918  *
919  ******************************************************************************/
920 
921 ACPI_STATUS
922 FlOpenMiscOutputFiles (
923     char                    *FilenamePrefix)
924 {
925     char                    *Filename;
926 
927 
928      /* Create/Open a map file if requested */
929 
930     if (AslGbl_MapfileFlag)
931     {
932         Filename = FlGenerateFilename (FilenamePrefix, FILE_SUFFIX_MAP);
933         if (!Filename)
934         {
935             AslCommonError (ASL_ERROR, ASL_MSG_LISTING_FILENAME,
936                 0, 0, 0, 0, NULL, NULL);
937             return (AE_ERROR);
938         }
939 
940         /* Open the hex file, text mode (closed at compiler exit) */
941 
942         FlOpenFile (ASL_FILE_MAP_OUTPUT, Filename, "w+t");
943 
944         AslCompilerSignon (ASL_FILE_MAP_OUTPUT);
945         AslCompilerFileHeader (ASL_FILE_MAP_OUTPUT);
946     }
947 
948     /* All done for disassembler */
949 
950     if (AslGbl_FileType == ASL_INPUT_TYPE_BINARY_ACPI_TABLE)
951     {
952         return (AE_OK);
953     }
954 
955     /* Create/Open a hex output file if asked */
956 
957     if (AslGbl_HexOutputFlag)
958     {
959         Filename = FlGenerateFilename (FilenamePrefix, FILE_SUFFIX_HEX_DUMP);
960         if (!Filename)
961         {
962             AslCommonError (ASL_ERROR, ASL_MSG_LISTING_FILENAME,
963                 0, 0, 0, 0, NULL, NULL);
964             return (AE_ERROR);
965         }
966 
967         /* Open the hex file, text mode */
968 
969         FlOpenFile (ASL_FILE_HEX_OUTPUT, Filename, "w+t");
970 
971         AslCompilerSignon (ASL_FILE_HEX_OUTPUT);
972         AslCompilerFileHeader (ASL_FILE_HEX_OUTPUT);
973     }
974 
975     /* Create/Open a debug output file if asked */
976 
977     if (AslGbl_DebugFlag)
978     {
979         Filename = FlGenerateFilename (FilenamePrefix, FILE_SUFFIX_DEBUG);
980         if (!Filename)
981         {
982             AslCommonError (ASL_ERROR, ASL_MSG_DEBUG_FILENAME,
983                 0, 0, 0, 0, NULL, NULL);
984             return (AE_ERROR);
985         }
986 
987         /* Open the debug file as STDERR, text mode */
988 
989         AslGbl_Files[ASL_FILE_DEBUG_OUTPUT].Filename = Filename;
990         AslGbl_Files[ASL_FILE_DEBUG_OUTPUT].Handle =
991             freopen (Filename, "w+t", stderr);
992 
993         if (!AslGbl_Files[ASL_FILE_DEBUG_OUTPUT].Handle)
994         {
995             /*
996              * A problem with freopen is that on error, we no longer
997              * have stderr and cannot emit normal error messages.
998              * Emit error to stdout, close files, and exit.
999              */
1000             fprintf (stdout,
1001                 "\nCould not open debug output file: %s\n\n", Filename);
1002 
1003             CmCleanupAndExit ();
1004             exit (1);
1005         }
1006 
1007         AslCompilerSignon (ASL_FILE_DEBUG_OUTPUT);
1008         AslCompilerFileHeader (ASL_FILE_DEBUG_OUTPUT);
1009     }
1010 
1011     /* Create/Open a cross-reference output file if asked */
1012 
1013     if (AslGbl_CrossReferenceOutput)
1014     {
1015         Filename = FlGenerateFilename (FilenamePrefix, FILE_SUFFIX_XREF);
1016         if (!Filename)
1017         {
1018             AslCommonError (ASL_ERROR, ASL_MSG_DEBUG_FILENAME,
1019                 0, 0, 0, 0, NULL, NULL);
1020             return (AE_ERROR);
1021         }
1022 
1023         FlOpenFile (ASL_FILE_XREF_OUTPUT, Filename, "w+t");
1024 
1025         AslCompilerSignon (ASL_FILE_XREF_OUTPUT);
1026         AslCompilerFileHeader (ASL_FILE_XREF_OUTPUT);
1027     }
1028 
1029     /* Create/Open a listing output file if asked */
1030 
1031     if (AslGbl_ListingFlag)
1032     {
1033         Filename = FlGenerateFilename (FilenamePrefix, FILE_SUFFIX_LISTING);
1034         if (!Filename)
1035         {
1036             AslCommonError (ASL_ERROR, ASL_MSG_LISTING_FILENAME,
1037                 0, 0, 0, 0, NULL, NULL);
1038             return (AE_ERROR);
1039         }
1040 
1041         /* Open the listing file, text mode */
1042 
1043         FlOpenFile (ASL_FILE_LISTING_OUTPUT, Filename, "w+t");
1044 
1045         AslCompilerSignon (ASL_FILE_LISTING_OUTPUT);
1046         AslCompilerFileHeader (ASL_FILE_LISTING_OUTPUT);
1047     }
1048 
1049     /* Create the preprocessor output temp file if preprocessor enabled */
1050 
1051     if (AslGbl_PreprocessFlag)
1052     {
1053         Filename = FlGenerateFilename (FilenamePrefix, FILE_SUFFIX_PREPROCESSOR);
1054         if (!Filename)
1055         {
1056             AslCommonError (ASL_ERROR, ASL_MSG_PREPROCESSOR_FILENAME,
1057                 0, 0, 0, 0, NULL, NULL);
1058             return (AE_ERROR);
1059         }
1060 
1061         FlOpenFile (ASL_FILE_PREPROCESSOR, Filename, "w+t");
1062     }
1063 
1064     /*
1065      * Create the "user" preprocessor output file if -li flag set.
1066      * Note, this file contains no embedded #line directives.
1067      */
1068     if (AslGbl_PreprocessorOutputFlag)
1069     {
1070         Filename = FlGenerateFilename (FilenamePrefix, FILE_SUFFIX_PREPROC_USER);
1071         if (!Filename)
1072         {
1073             AslCommonError (ASL_ERROR, ASL_MSG_PREPROCESSOR_FILENAME,
1074                 0, 0, 0, 0, NULL, NULL);
1075             return (AE_ERROR);
1076         }
1077 
1078         FlOpenFile (ASL_FILE_PREPROCESSOR_USER, Filename, "w+t");
1079     }
1080 
1081     /* All done for data table compiler */
1082 
1083     if (AslGbl_FileType == ASL_INPUT_TYPE_ASCII_DATA)
1084     {
1085         return (AE_OK);
1086     }
1087 
1088     /* Create/Open a combined source output file */
1089 
1090     Filename = FlGenerateFilename (FilenamePrefix, FILE_SUFFIX_SOURCE);
1091     if (!Filename)
1092     {
1093         AslCommonError (ASL_ERROR, ASL_MSG_LISTING_FILENAME,
1094             0, 0, 0, 0, NULL, NULL);
1095         return (AE_ERROR);
1096     }
1097 
1098     /*
1099      * Open the source output file, binary mode (so that LF does not get
1100      * expanded to CR/LF on some systems, messing up our seek
1101      * calculations.)
1102      */
1103     FlOpenFile (ASL_FILE_SOURCE_OUTPUT, Filename, "w+b");
1104 
1105 /*
1106 // TBD: TEMP
1107 //    AslCompilerin = AslGbl_Files[ASL_FILE_SOURCE_OUTPUT].Handle;
1108 */
1109     /* Create/Open a assembly code source output file if asked */
1110 
1111     if (AslGbl_AsmOutputFlag)
1112     {
1113         Filename = FlGenerateFilename (FilenamePrefix, FILE_SUFFIX_ASM_SOURCE);
1114         if (!Filename)
1115         {
1116             AslCommonError (ASL_ERROR, ASL_MSG_LISTING_FILENAME,
1117                 0, 0, 0, 0, NULL, NULL);
1118             return (AE_ERROR);
1119         }
1120 
1121         /* Open the assembly code source file, text mode */
1122 
1123         FlOpenFile (ASL_FILE_ASM_SOURCE_OUTPUT, Filename, "w+t");
1124 
1125         AslCompilerSignon (ASL_FILE_ASM_SOURCE_OUTPUT);
1126         AslCompilerFileHeader (ASL_FILE_ASM_SOURCE_OUTPUT);
1127     }
1128 
1129     /* Create/Open a C code source output file if asked */
1130 
1131     if (AslGbl_C_OutputFlag)
1132     {
1133         Filename = FlGenerateFilename (FilenamePrefix, FILE_SUFFIX_C_SOURCE);
1134         if (!Filename)
1135         {
1136             AslCommonError (ASL_ERROR, ASL_MSG_LISTING_FILENAME,
1137                 0, 0, 0, 0, NULL, NULL);
1138             return (AE_ERROR);
1139         }
1140 
1141         /* Open the C code source file, text mode */
1142 
1143         FlOpenFile (ASL_FILE_C_SOURCE_OUTPUT, Filename, "w+t");
1144 
1145         FlPrintFile (ASL_FILE_C_SOURCE_OUTPUT, "/*\n");
1146         AslCompilerSignon (ASL_FILE_C_SOURCE_OUTPUT);
1147         AslCompilerFileHeader (ASL_FILE_C_SOURCE_OUTPUT);
1148     }
1149 
1150     /* Create/Open a C code source output file for the offset table if asked */
1151 
1152     if (AslGbl_C_OffsetTableFlag)
1153     {
1154         Filename = FlGenerateFilename (FilenamePrefix, FILE_SUFFIX_C_OFFSET);
1155         if (!Filename)
1156         {
1157             AslCommonError (ASL_ERROR, ASL_MSG_LISTING_FILENAME,
1158                 0, 0, 0, 0, NULL, NULL);
1159             return (AE_ERROR);
1160         }
1161 
1162         /* Open the C code source file, text mode */
1163 
1164         FlOpenFile (ASL_FILE_C_OFFSET_OUTPUT, Filename, "w+t");
1165 
1166         FlPrintFile (ASL_FILE_C_OFFSET_OUTPUT, "/*\n");
1167         AslCompilerSignon (ASL_FILE_C_OFFSET_OUTPUT);
1168         AslCompilerFileHeader (ASL_FILE_C_OFFSET_OUTPUT);
1169     }
1170 
1171     /* Create/Open a assembly include output file if asked */
1172 
1173     if (AslGbl_AsmIncludeOutputFlag)
1174     {
1175         Filename = FlGenerateFilename (FilenamePrefix, FILE_SUFFIX_ASM_INCLUDE);
1176         if (!Filename)
1177         {
1178             AslCommonError (ASL_ERROR, ASL_MSG_LISTING_FILENAME,
1179                 0, 0, 0, 0, NULL, NULL);
1180             return (AE_ERROR);
1181         }
1182 
1183         /* Open the assembly include file, text mode */
1184 
1185         FlOpenFile (ASL_FILE_ASM_INCLUDE_OUTPUT, Filename, "w+t");
1186 
1187         AslCompilerSignon (ASL_FILE_ASM_INCLUDE_OUTPUT);
1188         AslCompilerFileHeader (ASL_FILE_ASM_INCLUDE_OUTPUT);
1189     }
1190 
1191     /* Create/Open a C include output file if asked */
1192 
1193     if (AslGbl_C_IncludeOutputFlag)
1194     {
1195         Filename = FlGenerateFilename (FilenamePrefix, FILE_SUFFIX_C_INCLUDE);
1196         if (!Filename)
1197         {
1198             AslCommonError (ASL_ERROR, ASL_MSG_LISTING_FILENAME,
1199                 0, 0, 0, 0, NULL, NULL);
1200             return (AE_ERROR);
1201         }
1202 
1203         /* Open the C include file, text mode */
1204 
1205         FlOpenFile (ASL_FILE_C_INCLUDE_OUTPUT, Filename, "w+t");
1206 
1207         FlPrintFile (ASL_FILE_C_INCLUDE_OUTPUT, "/*\n");
1208         AslCompilerSignon (ASL_FILE_C_INCLUDE_OUTPUT);
1209         AslCompilerFileHeader (ASL_FILE_C_INCLUDE_OUTPUT);
1210     }
1211 
1212     /* Create a namespace output file if asked */
1213 
1214     if (AslGbl_NsOutputFlag)
1215     {
1216         Filename = FlGenerateFilename (FilenamePrefix, FILE_SUFFIX_NAMESPACE);
1217         if (!Filename)
1218         {
1219             AslCommonError (ASL_ERROR, ASL_MSG_LISTING_FILENAME,
1220                 0, 0, 0, 0, NULL, NULL);
1221             return (AE_ERROR);
1222         }
1223 
1224         /* Open the namespace file, text mode */
1225 
1226         FlOpenFile (ASL_FILE_NAMESPACE_OUTPUT, Filename, "w+t");
1227 
1228         AslCompilerSignon (ASL_FILE_NAMESPACE_OUTPUT);
1229         AslCompilerFileHeader (ASL_FILE_NAMESPACE_OUTPUT);
1230     }
1231 
1232     /* Create a debug file for the converter */
1233 
1234     if (AcpiGbl_DebugAslConversion)
1235     {
1236         Filename = FlGenerateFilename (FilenamePrefix, FILE_SUFFIX_CONVERT_DEBUG);
1237         if (!Filename)
1238         {
1239             AslCommonError (ASL_ERROR, ASL_MSG_LISTING_FILENAME,
1240                 0, 0, 0, 0, NULL, NULL);
1241             return (AE_ERROR);
1242         }
1243 
1244         /* Open the converter debug file, text mode */
1245 
1246         FlOpenFile (ASL_FILE_CONV_DEBUG_OUTPUT, Filename, "w+t");
1247 
1248         AslCompilerSignon (ASL_FILE_CONV_DEBUG_OUTPUT);
1249         AslCompilerFileHeader (ASL_FILE_CONV_DEBUG_OUTPUT);
1250 
1251         AcpiGbl_ConvDebugFile = AslGbl_Files[ASL_FILE_CONV_DEBUG_OUTPUT].Handle;
1252     }
1253 
1254     return (AE_OK);
1255 }
1256 
1257 
1258 #ifdef ACPI_OBSOLETE_FUNCTIONS
1259 /*******************************************************************************
1260  *
1261  * FUNCTION:    FlParseInputPathname
1262  *
1263  * PARAMETERS:  InputFilename       - The user-specified ASL source file to be
1264  *                                    compiled
1265  *
1266  * RETURN:      Status
1267  *
1268  * DESCRIPTION: Split the input path into a directory and filename part
1269  *              1) Directory part used to open include files
1270  *              2) Filename part used to generate output filenames
1271  *
1272  ******************************************************************************/
1273 
1274 ACPI_STATUS
1275 FlParseInputPathname (
1276     char                    *InputFilename)
1277 {
1278     char                    *Substring;
1279 
1280 
1281     if (!InputFilename)
1282     {
1283         return (AE_OK);
1284     }
1285 
1286     /* Get the path to the input filename's directory */
1287 
1288     AslGbl_DirectoryPath = strdup (InputFilename);
1289     if (!AslGbl_DirectoryPath)
1290     {
1291         return (AE_NO_MEMORY);
1292     }
1293 
1294     Substring = strrchr (AslGbl_DirectoryPath, '\\');
1295     if (!Substring)
1296     {
1297         Substring = strrchr (AslGbl_DirectoryPath, '/');
1298         if (!Substring)
1299         {
1300             Substring = strrchr (AslGbl_DirectoryPath, ':');
1301         }
1302     }
1303 
1304     if (!Substring)
1305     {
1306         AslGbl_DirectoryPath[0] = 0;
1307         if (AslGbl_UseDefaultAmlFilename)
1308         {
1309             AslGbl_OutputFilenamePrefix = strdup (InputFilename);
1310         }
1311     }
1312     else
1313     {
1314         if (AslGbl_UseDefaultAmlFilename)
1315         {
1316             AslGbl_OutputFilenamePrefix = strdup (Substring + 1);
1317         }
1318         *(Substring+1) = 0;
1319     }
1320 
1321     UtConvertBackslashes (AslGbl_OutputFilenamePrefix);
1322     return (AE_OK);
1323 }
1324 #endif
1325