1 /******************************************************************************
2 *
3 * Module Name: asllistsup - Listing file support utilities
4 *
5 *****************************************************************************/
6
7 /*
8 * Copyright (C) 2000 - 2013, Intel Corp.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, and the following disclaimer,
16 * without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 * substantially similar to the "NO WARRANTY" disclaimer below
19 * ("Disclaimer") and any redistribution must be conditioned upon
20 * including a substantially similar Disclaimer requirement for further
21 * binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
29 *
30 * NO WARRANTY
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGES.
42 */
43
44 #include "aslcompiler.h"
45 #include "aslcompiler.y.h"
46
47
48 #define _COMPONENT ACPI_COMPILER
49 ACPI_MODULE_NAME ("aslistsup")
50
51
52 /*******************************************************************************
53 *
54 * FUNCTION: LsDumpAscii
55 *
56 * PARAMETERS: FileId - ID of current listing file
57 * Count - Number of bytes to convert
58 * Buffer - Buffer of bytes to convert
59 *
60 * RETURN: None
61 *
62 * DESCRIPTION: Convert hex bytes to ascii
63 *
64 ******************************************************************************/
65
66 void
67 LsDumpAscii (
68 UINT32 FileId,
69 UINT32 Count,
70 UINT8 *Buffer)
71 {
72 UINT8 BufChar;
73 UINT32 i;
74
75
76 FlPrintFile (FileId, " \"");
77 for (i = 0; i < Count; i++)
78 {
79 BufChar = Buffer[i];
80 if (isprint (BufChar))
81 {
82 FlPrintFile (FileId, "%c", BufChar);
83 }
84 else
85 {
86 /* Not a printable character, just put out a dot */
87
88 FlPrintFile (FileId, ".");
89 }
90 }
91 FlPrintFile (FileId, "\"");
92 }
93
94
95 /*******************************************************************************
96 *
97 * FUNCTION: LsDumpAsciiInComment
98 *
99 * PARAMETERS: FileId - ID of current listing file
100 * Count - Number of bytes to convert
101 * Buffer - Buffer of bytes to convert
102 *
103 * RETURN: None
104 *
105 * DESCRIPTION: Convert hex bytes to ascii
106 *
107 ******************************************************************************/
108
109 void
110 LsDumpAsciiInComment (
111 UINT32 FileId,
112 UINT32 Count,
113 UINT8 *Buffer)
114 {
115 UINT8 BufChar = 0;
116 UINT8 LastChar;
117 UINT32 i;
118
119
120 FlPrintFile (FileId, " \"");
121 for (i = 0; i < Count; i++)
122 {
123 LastChar = BufChar;
124 BufChar = Buffer[i];
125
126 if (isprint (BufChar))
127 {
128 /* Handle embedded C comment sequences */
129
130 if (((LastChar == '*') && (BufChar == '/')) ||
131 ((LastChar == '/') && (BufChar == '*')))
132 {
133 /* Insert a space to break the sequence */
134
135 FlPrintFile (FileId, ".", BufChar);
136 }
137
138 FlPrintFile (FileId, "%c", BufChar);
139 }
140 else
141 {
142 /* Not a printable character, just put out a dot */
143
144 FlPrintFile (FileId, ".");
145 }
146 }
147
148 FlPrintFile (FileId, "\"");
149 }
150
151
152 /*******************************************************************************
153 *
154 * FUNCTION: LsCheckException
155 *
156 * PARAMETERS: LineNumber - Current logical (cumulative) line #
157 * FileId - ID of output listing file
158 *
159 * RETURN: None
160 *
161 * DESCRIPTION: Check if there is an exception for this line, and if there is,
162 * put it in the listing immediately. Handles multiple errors
163 * per line. Gbl_NextError points to the next error in the
164 * sorted (by line #) list of compile errors/warnings.
165 *
166 ******************************************************************************/
167
168 void
169 LsCheckException (
170 UINT32 LineNumber,
171 UINT32 FileId)
172 {
173
174 if ((!Gbl_NextError) ||
175 (LineNumber < Gbl_NextError->LogicalLineNumber ))
176 {
177 return;
178 }
179
180 /* Handle multiple errors per line */
181
182 if (FileId == ASL_FILE_LISTING_OUTPUT)
183 {
184 while (Gbl_NextError &&
185 (LineNumber >= Gbl_NextError->LogicalLineNumber))
186 {
187 AePrintException (FileId, Gbl_NextError, "\n[****iasl****]\n");
188
189 Gbl_NextError = Gbl_NextError->Next;
190 }
191
192 FlPrintFile (FileId, "\n");
193 }
194 }
195
196
197 /*******************************************************************************
198 *
199 * FUNCTION: LsWriteListingHexBytes
200 *
201 * PARAMETERS: Buffer - AML code buffer
202 * Length - Number of AML bytes to write
203 * FileId - ID of current listing file.
204 *
205 * RETURN: None
206 *
207 * DESCRIPTION: Write the contents of the AML buffer to the listing file via
208 * the listing buffer. The listing buffer is flushed every 16
209 * AML bytes.
210 *
211 ******************************************************************************/
212
213 void
214 LsWriteListingHexBytes (
215 UINT8 *Buffer,
216 UINT32 Length,
217 UINT32 FileId)
218 {
219 UINT32 i;
220
221
222 /* Transfer all requested bytes */
223
224 for (i = 0; i < Length; i++)
225 {
226 /* Print line header when buffer is empty */
227
228 if (Gbl_CurrentHexColumn == 0)
229 {
230 if (Gbl_HasIncludeFiles)
231 {
232 FlPrintFile (FileId, "%*s", 10, " ");
233 }
234
235 switch (FileId)
236 {
237 case ASL_FILE_LISTING_OUTPUT:
238
239 FlPrintFile (FileId, "%8.8X%s", Gbl_CurrentAmlOffset,
240 ASL_LISTING_LINE_PREFIX);
241 break;
242
243 case ASL_FILE_ASM_SOURCE_OUTPUT:
244
245 FlPrintFile (FileId, " db ");
246 break;
247
248 case ASL_FILE_C_SOURCE_OUTPUT:
249
250 FlPrintFile (FileId, " ");
251 break;
252
253 default:
254
255 /* No other types supported */
256
257 return;
258 }
259 }
260
261 /* Transfer AML byte and update counts */
262
263 Gbl_AmlBuffer[Gbl_CurrentHexColumn] = Buffer[i];
264
265 Gbl_CurrentHexColumn++;
266 Gbl_CurrentAmlOffset++;
267
268 /* Flush buffer when it is full */
269
270 if (Gbl_CurrentHexColumn >= HEX_LISTING_LINE_SIZE)
271 {
272 LsFlushListingBuffer (FileId);
273 }
274 }
275 }
276
277
278 /*******************************************************************************
279 *
280 * FUNCTION: LsWriteSourceLines
281 *
282 * PARAMETERS: ToLineNumber -
283 * ToLogicalLineNumber - Write up to this source line number
284 * FileId - ID of current listing file
285 *
286 * RETURN: None
287 *
288 * DESCRIPTION: Read then write source lines to the listing file until we have
289 * reached the specified logical (cumulative) line number. This
290 * automatically echos out comment blocks and other non-AML
291 * generating text until we get to the actual AML-generating line
292 * of ASL code specified by the logical line number.
293 *
294 ******************************************************************************/
295
296 void
297 LsWriteSourceLines (
298 UINT32 ToLineNumber,
299 UINT32 ToLogicalLineNumber,
300 UINT32 FileId)
301 {
302
303 /* Nothing to do for these file types */
304
305 if ((FileId == ASL_FILE_ASM_INCLUDE_OUTPUT) ||
306 (FileId == ASL_FILE_C_INCLUDE_OUTPUT))
307 {
308 return;
309 }
310
311 Gbl_CurrentLine = ToLogicalLineNumber;
312
313 /* Flush any hex bytes remaining from the last opcode */
314
315 LsFlushListingBuffer (FileId);
316
317 /* Read lines and write them as long as we are not caught up */
318
319 if (Gbl_SourceLine < Gbl_CurrentLine)
320 {
321 /*
322 * If we just completed writing some AML hex bytes, output a linefeed
323 * to add some whitespace for readability.
324 */
325 if (Gbl_HexBytesWereWritten)
326 {
327 FlPrintFile (FileId, "\n");
328 Gbl_HexBytesWereWritten = FALSE;
329 }
330
331 if (FileId == ASL_FILE_C_SOURCE_OUTPUT)
332 {
333 FlPrintFile (FileId, " /*\n");
334 }
335
336 /* Write one line at a time until we have reached the target line # */
337
338 while ((Gbl_SourceLine < Gbl_CurrentLine) &&
339 LsWriteOneSourceLine (FileId))
340 { ; }
341
342 if (FileId == ASL_FILE_C_SOURCE_OUTPUT)
343 {
344 FlPrintFile (FileId, " */");
345 }
346
347 FlPrintFile (FileId, "\n");
348 }
349 }
350
351
352 /*******************************************************************************
353 *
354 * FUNCTION: LsWriteOneSourceLine
355 *
356 * PARAMETERS: FileId - ID of current listing file
357 *
358 * RETURN: FALSE on EOF (input source file), TRUE otherwise
359 *
360 * DESCRIPTION: Read one line from the input source file and echo it to the
361 * listing file, prefixed with the line number, and if the source
362 * file contains include files, prefixed with the current filename
363 *
364 ******************************************************************************/
365
366 UINT32
367 LsWriteOneSourceLine (
368 UINT32 FileId)
369 {
370 UINT8 FileByte;
371 UINT32 Column = 0;
372 UINT32 Index = 16;
373 BOOLEAN StartOfLine = FALSE;
374 BOOLEAN ProcessLongLine = FALSE;
375
376
377 Gbl_SourceLine++;
378 Gbl_ListingNode->LineNumber++;
379
380 /* Ignore lines that are completely blank (but count the line above) */
381
382 if (FlReadFile (ASL_FILE_SOURCE_OUTPUT, &FileByte, 1) != AE_OK)
383 {
384 return (0);
385 }
386 if (FileByte == '\n')
387 {
388 return (1);
389 }
390
391 /*
392 * This is a non-empty line, we will print the entire line with
393 * the line number and possibly other prefixes and transforms.
394 */
395
396 /* Line prefixes for special files, C and ASM output */
397
398 if (FileId == ASL_FILE_C_SOURCE_OUTPUT)
399 {
400 FlPrintFile (FileId, " *");
401 }
402 if (FileId == ASL_FILE_ASM_SOURCE_OUTPUT)
403 {
404 FlPrintFile (FileId, "; ");
405 }
406
407 if (Gbl_HasIncludeFiles)
408 {
409 /*
410 * This file contains "include" statements, print the current
411 * filename and line number within the current file
412 */
413 FlPrintFile (FileId, "%12s %5d%s",
414 Gbl_ListingNode->Filename, Gbl_ListingNode->LineNumber,
415 ASL_LISTING_LINE_PREFIX);
416 }
417 else
418 {
419 /* No include files, just print the line number */
420
421 FlPrintFile (FileId, "%8u%s", Gbl_SourceLine,
422 ASL_LISTING_LINE_PREFIX);
423 }
424
425 /* Read the rest of this line (up to a newline or EOF) */
426
427 do
428 {
429 if (FileId == ASL_FILE_C_SOURCE_OUTPUT)
430 {
431 if (FileByte == '/')
432 {
433 FileByte = '*';
434 }
435 }
436
437 /* Split long input lines for readability in the listing */
438
439 Column++;
440 if (Column >= 128)
441 {
442 if (!ProcessLongLine)
443 {
444 if ((FileByte != '}') &&
445 (FileByte != '{'))
446 {
447 goto WriteByte;
448 }
449
450 ProcessLongLine = TRUE;
451 }
452
453 if (FileByte == '{')
454 {
455 FlPrintFile (FileId, "\n%*s{\n", Index, " ");
456 StartOfLine = TRUE;
457 Index += 4;
458 continue;
459 }
460
461 else if (FileByte == '}')
462 {
463 if (!StartOfLine)
464 {
465 FlPrintFile (FileId, "\n");
466 }
467
468 StartOfLine = TRUE;
469 Index -= 4;
470 FlPrintFile (FileId, "%*s}\n", Index, " ");
471 continue;
472 }
473
474 /* Ignore spaces/tabs at the start of line */
475
476 else if ((FileByte == ' ') && StartOfLine)
477 {
478 continue;
479 }
480
481 else if (StartOfLine)
482 {
483 StartOfLine = FALSE;
484 FlPrintFile (FileId, "%*s", Index, " ");
485 }
486
487 WriteByte:
488 FlWriteFile (FileId, &FileByte, 1);
489 if (FileByte == '\n')
490 {
491 /*
492 * This line has been completed.
493 * Check if an error occurred on this source line during the compile.
494 * If so, we print the error message after the source line.
495 */
496 LsCheckException (Gbl_SourceLine, FileId);
497 return (1);
498 }
499 }
500 else
501 {
502 FlWriteFile (FileId, &FileByte, 1);
503 if (FileByte == '\n')
504 {
505 /*
506 * This line has been completed.
507 * Check if an error occurred on this source line during the compile.
508 * If so, we print the error message after the source line.
509 */
510 LsCheckException (Gbl_SourceLine, FileId);
511 return (1);
512 }
513 }
514
515 } while (FlReadFile (ASL_FILE_SOURCE_OUTPUT, &FileByte, 1) == AE_OK);
516
517 /* EOF on the input file was reached */
518
519 return (0);
520 }
521
522
523 /*******************************************************************************
524 *
525 * FUNCTION: LsFlushListingBuffer
526 *
527 * PARAMETERS: FileId - ID of the listing file
528 *
529 * RETURN: None
530 *
531 * DESCRIPTION: Flush out the current contents of the 16-byte hex AML code
532 * buffer. Usually called at the termination of a single line
533 * of source code or when the buffer is full.
534 *
535 ******************************************************************************/
536
537 void
538 LsFlushListingBuffer (
539 UINT32 FileId)
540 {
541 UINT32 i;
542
543
544 if (Gbl_CurrentHexColumn == 0)
545 {
546 return;
547 }
548
549 /* Write the hex bytes */
550
551 switch (FileId)
552 {
553 case ASL_FILE_LISTING_OUTPUT:
554
555 for (i = 0; i < Gbl_CurrentHexColumn; i++)
556 {
557 FlPrintFile (FileId, "%2.2X ", Gbl_AmlBuffer[i]);
558 }
559
560 for (i = 0; i < ((HEX_LISTING_LINE_SIZE - Gbl_CurrentHexColumn) * 3); i++)
561 {
562 FlWriteFile (FileId, ".", 1);
563 }
564
565 /* Write the ASCII character associated with each of the bytes */
566
567 LsDumpAscii (FileId, Gbl_CurrentHexColumn, Gbl_AmlBuffer);
568 break;
569
570
571 case ASL_FILE_ASM_SOURCE_OUTPUT:
572
573 for (i = 0; i < Gbl_CurrentHexColumn; i++)
574 {
575 if (i > 0)
576 {
577 FlPrintFile (FileId, ",");
578 }
579 FlPrintFile (FileId, "0%2.2Xh", Gbl_AmlBuffer[i]);
580 }
581
582 for (i = 0; i < ((HEX_LISTING_LINE_SIZE - Gbl_CurrentHexColumn) * 5); i++)
583 {
584 FlWriteFile (FileId, " ", 1);
585 }
586
587 FlPrintFile (FileId, " ;%8.8X",
588 Gbl_CurrentAmlOffset - HEX_LISTING_LINE_SIZE);
589
590 /* Write the ASCII character associated with each of the bytes */
591
592 LsDumpAscii (FileId, Gbl_CurrentHexColumn, Gbl_AmlBuffer);
593 break;
594
595
596 case ASL_FILE_C_SOURCE_OUTPUT:
597
598 for (i = 0; i < Gbl_CurrentHexColumn; i++)
599 {
600 FlPrintFile (FileId, "0x%2.2X,", Gbl_AmlBuffer[i]);
601 }
602
603 /* Pad hex output with spaces if line is shorter than max line size */
604
605 for (i = 0; i < ((HEX_LISTING_LINE_SIZE - Gbl_CurrentHexColumn) * 5); i++)
606 {
607 FlWriteFile (FileId, " ", 1);
608 }
609
610 /* AML offset for the start of the line */
611
612 FlPrintFile (FileId, " /* %8.8X",
613 Gbl_CurrentAmlOffset - Gbl_CurrentHexColumn);
614
615 /* Write the ASCII character associated with each of the bytes */
616
617 LsDumpAsciiInComment (FileId, Gbl_CurrentHexColumn, Gbl_AmlBuffer);
618 FlPrintFile (FileId, " */");
619 break;
620
621 default:
622
623 /* No other types supported */
624
625 return;
626 }
627
628 FlPrintFile (FileId, "\n");
629
630 Gbl_CurrentHexColumn = 0;
631 Gbl_HexBytesWereWritten = TRUE;
632 }
633
634
635 /*******************************************************************************
636 *
637 * FUNCTION: LsPushNode
638 *
639 * PARAMETERS: Filename - Pointer to the include filename
640 *
641 * RETURN: None
642 *
643 * DESCRIPTION: Push a listing node on the listing/include file stack. This
644 * stack enables tracking of include files (infinitely nested)
645 * and resumption of the listing of the parent file when the
646 * include file is finished.
647 *
648 ******************************************************************************/
649
650 void
651 LsPushNode (
652 char *Filename)
653 {
654 ASL_LISTING_NODE *Lnode;
655
656
657 /* Create a new node */
658
659 Lnode = UtLocalCalloc (sizeof (ASL_LISTING_NODE));
660
661 /* Initialize */
662
663 Lnode->Filename = Filename;
664 Lnode->LineNumber = 0;
665
666 /* Link (push) */
667
668 Lnode->Next = Gbl_ListingNode;
669 Gbl_ListingNode = Lnode;
670 }
671
672
673 /*******************************************************************************
674 *
675 * FUNCTION: LsPopNode
676 *
677 * PARAMETERS: None
678 *
679 * RETURN: List head after current head is popped off
680 *
681 * DESCRIPTION: Pop the current head of the list, free it, and return the
682 * next node on the stack (the new current node).
683 *
684 ******************************************************************************/
685
686 ASL_LISTING_NODE *
687 LsPopNode (
688 void)
689 {
690 ASL_LISTING_NODE *Lnode;
691
692
693 /* Just grab the node at the head of the list */
694
695 Lnode = Gbl_ListingNode;
696 if ((!Lnode) ||
697 (!Lnode->Next))
698 {
699 AslError (ASL_ERROR, ASL_MSG_COMPILER_INTERNAL, NULL,
700 "Could not pop empty listing stack");
701 return (Gbl_ListingNode);
702 }
703
704 Gbl_ListingNode = Lnode->Next;
705 ACPI_FREE (Lnode);
706
707 /* New "Current" node is the new head */
708
709 return (Gbl_ListingNode);
710 }