1 /****************************************************************************** 2 * 3 * Module Name: asllistsup - Listing file support utilities 4 * 5 *****************************************************************************/ 6 7 /****************************************************************************** 8 * 9 * 1. Copyright Notice 10 * 11 * Some or all of this work - Copyright (c) 1999 - 2018, Intel Corp. 12 * All rights reserved. 13 * 14 * 2. License 15 * 16 * 2.1. This is your license from Intel Corp. under its intellectual property 17 * rights. You may have additional license terms from the party that provided 18 * you this software, covering your right to use that party's intellectual 19 * property rights. 20 * 21 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 22 * copy of the source code appearing in this file ("Covered Code") an 23 * irrevocable, perpetual, worldwide license under Intel's copyrights in the 24 * base code distributed originally by Intel ("Original Intel Code") to copy, 25 * make derivatives, distribute, use and display any portion of the Covered 26 * Code in any form, with the right to sublicense such rights; and 27 * 28 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 29 * license (with the right to sublicense), under only those claims of Intel 30 * patents that are infringed by the Original Intel Code, to make, use, sell, 31 * offer to sell, and import the Covered Code and derivative works thereof 32 * solely to the minimum extent necessary to exercise the above copyright 33 * license, and in no event shall the patent license extend to any additions 34 * to or modifications of the Original Intel Code. No other license or right 35 * is granted directly or by implication, estoppel or otherwise; 36 * 37 * The above copyright and patent license is granted only if the following 38 * conditions are met: 39 * 40 * 3. Conditions 41 * 42 * 3.1. Redistribution of Source with Rights to Further Distribute Source. 43 * Redistribution of source code of any substantial portion of the Covered 44 * Code or modification with rights to further distribute source must include 45 * the above Copyright Notice, the above License, this list of Conditions, 46 * and the following Disclaimer and Export Compliance provision. In addition, 47 * Licensee must cause all Covered Code to which Licensee contributes to 48 * contain a file documenting the changes Licensee made to create that Covered 49 * Code and the date of any change. Licensee must include in that file the 50 * documentation of any changes made by any predecessor Licensee. Licensee 51 * must include a prominent statement that the modification is derived, 52 * directly or indirectly, from Original Intel Code. 53 * 54 * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 55 * Redistribution of source code of any substantial portion of the Covered 56 * Code or modification without rights to further distribute source must 57 * include the following Disclaimer and Export Compliance provision in the 58 * documentation and/or other materials provided with distribution. In 59 * addition, Licensee may not authorize further sublicense of source of any 60 * portion of the Covered Code, and must include terms to the effect that the 61 * license from Licensee to its licensee is limited to the intellectual 62 * property embodied in the software Licensee provides to its licensee, and 63 * not to intellectual property embodied in modifications its licensee may 64 * make. 65 * 66 * 3.3. Redistribution of Executable. Redistribution in executable form of any 67 * substantial portion of the Covered Code or modification must reproduce the 68 * above Copyright Notice, and the following Disclaimer and Export Compliance 69 * provision in the documentation and/or other materials provided with the 70 * distribution. 71 * 72 * 3.4. Intel retains all right, title, and interest in and to the Original 73 * Intel Code. 74 * 75 * 3.5. Neither the name Intel nor any other trademark owned or controlled by 76 * Intel shall be used in advertising or otherwise to promote the sale, use or 77 * other dealings in products derived from or relating to the Covered Code 78 * without prior written authorization from Intel. 79 * 80 * 4. Disclaimer and Export Compliance 81 * 82 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 83 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 84 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 85 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 86 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 87 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 88 * PARTICULAR PURPOSE. 89 * 90 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 91 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 92 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 93 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 94 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 95 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 96 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 97 * LIMITED REMEDY. 98 * 99 * 4.3. Licensee shall not export, either directly or indirectly, any of this 100 * software or system incorporating such software without first obtaining any 101 * required license or other approval from the U. S. Department of Commerce or 102 * any other agency or department of the United States Government. In the 103 * event Licensee exports any such software from the United States or 104 * re-exports any such software from a foreign destination, Licensee shall 105 * ensure that the distribution and export/re-export of the software is in 106 * compliance with all laws, regulations, orders, or other restrictions of the 107 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 108 * any of its subsidiaries will export/re-export any technical data, process, 109 * software, or service, directly or indirectly, to any country for which the 110 * United States government or any agency thereof requires an export license, 111 * other governmental approval, or letter of assurance, without first obtaining 112 * such license, approval or letter. 113 * 114 ***************************************************************************** 115 * 116 * Alternatively, you may choose to be licensed under the terms of the 117 * following license: 118 * 119 * Redistribution and use in source and binary forms, with or without 120 * modification, are permitted provided that the following conditions 121 * are met: 122 * 1. Redistributions of source code must retain the above copyright 123 * notice, this list of conditions, and the following disclaimer, 124 * without modification. 125 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 126 * substantially similar to the "NO WARRANTY" disclaimer below 127 * ("Disclaimer") and any redistribution must be conditioned upon 128 * including a substantially similar Disclaimer requirement for further 129 * binary redistribution. 130 * 3. Neither the names of the above-listed copyright holders nor the names 131 * of any contributors may be used to endorse or promote products derived 132 * from this software without specific prior written permission. 133 * 134 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 135 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 136 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 137 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 138 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 139 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 140 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 141 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 142 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 143 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 144 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 145 * 146 * Alternatively, you may choose to be licensed under the terms of the 147 * GNU General Public License ("GPL") version 2 as published by the Free 148 * Software Foundation. 149 * 150 *****************************************************************************/ 151 152 #include "aslcompiler.h" 153 #include "aslcompiler.y.h" 154 155 156 #define _COMPONENT ACPI_COMPILER 157 ACPI_MODULE_NAME ("aslistsup") 158 159 160 /******************************************************************************* 161 * 162 * FUNCTION: LsDumpAscii 163 * 164 * PARAMETERS: FileId - ID of current listing file 165 * Count - Number of bytes to convert 166 * Buffer - Buffer of bytes to convert 167 * 168 * RETURN: None 169 * 170 * DESCRIPTION: Convert hex bytes to ascii 171 * 172 ******************************************************************************/ 173 174 void 175 LsDumpAscii ( 176 UINT32 FileId, 177 UINT32 Count, 178 UINT8 *Buffer) 179 { 180 UINT8 BufChar; 181 UINT32 i; 182 183 184 FlPrintFile (FileId, " \""); 185 for (i = 0; i < Count; i++) 186 { 187 BufChar = Buffer[i]; 188 if (isprint (BufChar)) 189 { 190 FlPrintFile (FileId, "%c", BufChar); 191 } 192 else 193 { 194 /* Not a printable character, just put out a dot */ 195 196 FlPrintFile (FileId, "."); 197 } 198 } 199 200 FlPrintFile (FileId, "\""); 201 } 202 203 204 /******************************************************************************* 205 * 206 * FUNCTION: LsDumpAsciiInComment 207 * 208 * PARAMETERS: FileId - ID of current listing file 209 * Count - Number of bytes to convert 210 * Buffer - Buffer of bytes to convert 211 * 212 * RETURN: None 213 * 214 * DESCRIPTION: Convert hex bytes to ascii 215 * 216 ******************************************************************************/ 217 218 void 219 LsDumpAsciiInComment ( 220 UINT32 FileId, 221 UINT32 Count, 222 UINT8 *Buffer) 223 { 224 UINT8 BufChar = 0; 225 UINT8 LastChar; 226 UINT32 i; 227 228 229 FlPrintFile (FileId, " \""); 230 for (i = 0; i < Count; i++) 231 { 232 LastChar = BufChar; 233 BufChar = Buffer[i]; 234 235 if (isprint (BufChar)) 236 { 237 /* Handle embedded C comment sequences */ 238 239 if (((LastChar == '*') && (BufChar == '/')) || 240 ((LastChar == '/') && (BufChar == '*'))) 241 { 242 /* Insert a space to break the sequence */ 243 244 FlPrintFile (FileId, ".", BufChar); 245 } 246 247 FlPrintFile (FileId, "%c", BufChar); 248 } 249 else 250 { 251 /* Not a printable character, just put out a dot */ 252 253 FlPrintFile (FileId, "."); 254 } 255 } 256 257 FlPrintFile (FileId, "\""); 258 } 259 260 261 /******************************************************************************* 262 * 263 * FUNCTION: LsCheckException 264 * 265 * PARAMETERS: LineNumber - Current logical (cumulative) line # 266 * FileId - ID of output listing file 267 * 268 * RETURN: None 269 * 270 * DESCRIPTION: Check if there is an exception for this line, and if there is, 271 * put it in the listing immediately. Handles multiple errors 272 * per line. Gbl_NextError points to the next error in the 273 * sorted (by line #) list of compile errors/warnings. 274 * 275 ******************************************************************************/ 276 277 void 278 LsCheckException ( 279 UINT32 LineNumber, 280 UINT32 FileId) 281 { 282 283 if ((!Gbl_NextError) || 284 (LineNumber < Gbl_NextError->LogicalLineNumber )) 285 { 286 return; 287 } 288 289 /* Handle multiple errors per line */ 290 291 if (FileId == ASL_FILE_LISTING_OUTPUT) 292 { 293 while (Gbl_NextError && 294 (LineNumber >= Gbl_NextError->LogicalLineNumber)) 295 { 296 AePrintException (FileId, Gbl_NextError, "\n[****iasl****]\n"); 297 Gbl_NextError = Gbl_NextError->Next; 298 } 299 300 FlPrintFile (FileId, "\n"); 301 } 302 } 303 304 305 /******************************************************************************* 306 * 307 * FUNCTION: LsWriteListingHexBytes 308 * 309 * PARAMETERS: Buffer - AML code buffer 310 * Length - Number of AML bytes to write 311 * FileId - ID of current listing file. 312 * 313 * RETURN: None 314 * 315 * DESCRIPTION: Write the contents of the AML buffer to the listing file via 316 * the listing buffer. The listing buffer is flushed every 16 317 * AML bytes. 318 * 319 ******************************************************************************/ 320 321 void 322 LsWriteListingHexBytes ( 323 UINT8 *Buffer, 324 UINT32 Length, 325 UINT32 FileId) 326 { 327 UINT32 i; 328 329 330 /* Transfer all requested bytes */ 331 332 for (i = 0; i < Length; i++) 333 { 334 /* Print line header when buffer is empty */ 335 336 if (Gbl_CurrentHexColumn == 0) 337 { 338 if (Gbl_HasIncludeFiles) 339 { 340 FlPrintFile (FileId, "%*s", 10, " "); 341 } 342 343 switch (FileId) 344 { 345 case ASL_FILE_LISTING_OUTPUT: 346 347 FlPrintFile (FileId, "%8.8X%s", Gbl_CurrentAmlOffset, 348 ASL_LISTING_LINE_PREFIX); 349 break; 350 351 case ASL_FILE_ASM_SOURCE_OUTPUT: 352 353 FlPrintFile (FileId, " db "); 354 break; 355 356 case ASL_FILE_C_SOURCE_OUTPUT: 357 358 FlPrintFile (FileId, " "); 359 break; 360 361 default: 362 363 /* No other types supported */ 364 365 return; 366 } 367 } 368 369 /* Transfer AML byte and update counts */ 370 371 Gbl_AmlBuffer[Gbl_CurrentHexColumn] = Buffer[i]; 372 373 Gbl_CurrentHexColumn++; 374 Gbl_CurrentAmlOffset++; 375 376 /* Flush buffer when it is full */ 377 378 if (Gbl_CurrentHexColumn >= HEX_LISTING_LINE_SIZE) 379 { 380 LsFlushListingBuffer (FileId); 381 } 382 } 383 } 384 385 386 /******************************************************************************* 387 * 388 * FUNCTION: LsWriteSourceLines 389 * 390 * PARAMETERS: ToLineNumber - 391 * ToLogicalLineNumber - Write up to this source line number 392 * FileId - ID of current listing file 393 * 394 * RETURN: None 395 * 396 * DESCRIPTION: Read then write source lines to the listing file until we have 397 * reached the specified logical (cumulative) line number. This 398 * automatically echos out comment blocks and other non-AML 399 * generating text until we get to the actual AML-generating line 400 * of ASL code specified by the logical line number. 401 * 402 ******************************************************************************/ 403 404 void 405 LsWriteSourceLines ( 406 UINT32 ToLineNumber, 407 UINT32 ToLogicalLineNumber, 408 UINT32 FileId) 409 { 410 411 /* Nothing to do for these file types */ 412 413 if ((FileId == ASL_FILE_ASM_INCLUDE_OUTPUT) || 414 (FileId == ASL_FILE_C_INCLUDE_OUTPUT)) 415 { 416 return; 417 } 418 419 Gbl_CurrentLine = ToLogicalLineNumber; 420 421 /* Flush any hex bytes remaining from the last opcode */ 422 423 LsFlushListingBuffer (FileId); 424 425 /* Read lines and write them as long as we are not caught up */ 426 427 if (Gbl_SourceLine < Gbl_CurrentLine) 428 { 429 /* 430 * If we just completed writing some AML hex bytes, output a linefeed 431 * to add some whitespace for readability. 432 */ 433 if (Gbl_HexBytesWereWritten) 434 { 435 FlPrintFile (FileId, "\n"); 436 Gbl_HexBytesWereWritten = FALSE; 437 } 438 439 if (FileId == ASL_FILE_C_SOURCE_OUTPUT) 440 { 441 FlPrintFile (FileId, " /*\n"); 442 } 443 444 /* Write one line at a time until we have reached the target line # */ 445 446 while ((Gbl_SourceLine < Gbl_CurrentLine) && 447 LsWriteOneSourceLine (FileId)) 448 { ; } 449 450 if (FileId == ASL_FILE_C_SOURCE_OUTPUT) 451 { 452 FlPrintFile (FileId, " */"); 453 } 454 455 FlPrintFile (FileId, "\n"); 456 } 457 } 458 459 460 /******************************************************************************* 461 * 462 * FUNCTION: LsWriteOneSourceLine 463 * 464 * PARAMETERS: FileId - ID of current listing file 465 * 466 * RETURN: FALSE on EOF (input source file), TRUE otherwise 467 * 468 * DESCRIPTION: Read one line from the input source file and echo it to the 469 * listing file, prefixed with the line number, and if the source 470 * file contains include files, prefixed with the current filename 471 * 472 ******************************************************************************/ 473 474 UINT32 475 LsWriteOneSourceLine ( 476 UINT32 FileId) 477 { 478 UINT8 FileByte; 479 UINT32 Column = 0; 480 UINT32 Index = 16; 481 BOOLEAN StartOfLine = FALSE; 482 BOOLEAN ProcessLongLine = FALSE; 483 484 485 Gbl_SourceLine++; 486 Gbl_ListingNode->LineNumber++; 487 488 /* Ignore lines that are completely blank (but count the line above) */ 489 490 if (FlReadFile (ASL_FILE_SOURCE_OUTPUT, &FileByte, 1) != AE_OK) 491 { 492 return (0); 493 } 494 if (FileByte == '\n') 495 { 496 return (1); 497 } 498 499 /* 500 * This is a non-empty line, we will print the entire line with 501 * the line number and possibly other prefixes and transforms. 502 */ 503 504 /* Line prefixes for special files, C and ASM output */ 505 506 if (FileId == ASL_FILE_C_SOURCE_OUTPUT) 507 { 508 FlPrintFile (FileId, " *"); 509 } 510 if (FileId == ASL_FILE_ASM_SOURCE_OUTPUT) 511 { 512 FlPrintFile (FileId, "; "); 513 } 514 515 if (Gbl_HasIncludeFiles) 516 { 517 /* 518 * This file contains "include" statements, print the current 519 * filename and line number within the current file 520 */ 521 FlPrintFile (FileId, "%12s %5d%s", 522 Gbl_ListingNode->Filename, Gbl_ListingNode->LineNumber, 523 ASL_LISTING_LINE_PREFIX); 524 } 525 else 526 { 527 /* No include files, just print the line number */ 528 529 FlPrintFile (FileId, "%8u%s", Gbl_SourceLine, 530 ASL_LISTING_LINE_PREFIX); 531 } 532 533 /* Read the rest of this line (up to a newline or EOF) */ 534 535 do 536 { 537 if (FileId == ASL_FILE_C_SOURCE_OUTPUT) 538 { 539 if (FileByte == '/') 540 { 541 FileByte = '*'; 542 } 543 } 544 545 /* Split long input lines for readability in the listing */ 546 547 Column++; 548 if (Column >= 128) 549 { 550 if (!ProcessLongLine) 551 { 552 if ((FileByte != '}') && 553 (FileByte != '{')) 554 { 555 goto WriteByte; 556 } 557 558 ProcessLongLine = TRUE; 559 } 560 561 if (FileByte == '{') 562 { 563 FlPrintFile (FileId, "\n%*s{\n", Index, " "); 564 StartOfLine = TRUE; 565 Index += 4; 566 continue; 567 } 568 569 else if (FileByte == '}') 570 { 571 if (!StartOfLine) 572 { 573 FlPrintFile (FileId, "\n"); 574 } 575 576 StartOfLine = TRUE; 577 Index -= 4; 578 FlPrintFile (FileId, "%*s}\n", Index, " "); 579 continue; 580 } 581 582 /* Ignore spaces/tabs at the start of line */ 583 584 else if ((FileByte == ' ') && StartOfLine) 585 { 586 continue; 587 } 588 589 else if (StartOfLine) 590 { 591 StartOfLine = FALSE; 592 FlPrintFile (FileId, "%*s", Index, " "); 593 } 594 595 WriteByte: 596 FlWriteFile (FileId, &FileByte, 1); 597 if (FileByte == '\n') 598 { 599 /* 600 * This line has been completed. 601 * Check if an error occurred on this source line during the compile. 602 * If so, we print the error message after the source line. 603 */ 604 LsCheckException (Gbl_SourceLine, FileId); 605 return (1); 606 } 607 } 608 else 609 { 610 FlWriteFile (FileId, &FileByte, 1); 611 if (FileByte == '\n') 612 { 613 /* 614 * This line has been completed. 615 * Check if an error occurred on this source line during the compile. 616 * If so, we print the error message after the source line. 617 */ 618 LsCheckException (Gbl_SourceLine, FileId); 619 return (1); 620 } 621 } 622 623 } while (FlReadFile (ASL_FILE_SOURCE_OUTPUT, &FileByte, 1) == AE_OK); 624 625 /* EOF on the input file was reached */ 626 627 return (0); 628 } 629 630 631 /******************************************************************************* 632 * 633 * FUNCTION: LsFlushListingBuffer 634 * 635 * PARAMETERS: FileId - ID of the listing file 636 * 637 * RETURN: None 638 * 639 * DESCRIPTION: Flush out the current contents of the 16-byte hex AML code 640 * buffer. Usually called at the termination of a single line 641 * of source code or when the buffer is full. 642 * 643 ******************************************************************************/ 644 645 void 646 LsFlushListingBuffer ( 647 UINT32 FileId) 648 { 649 UINT32 i; 650 651 652 if (Gbl_CurrentHexColumn == 0) 653 { 654 return; 655 } 656 657 /* Write the hex bytes */ 658 659 switch (FileId) 660 { 661 case ASL_FILE_LISTING_OUTPUT: 662 663 for (i = 0; i < Gbl_CurrentHexColumn; i++) 664 { 665 FlPrintFile (FileId, "%2.2X ", Gbl_AmlBuffer[i]); 666 } 667 668 for (i = 0; i < ((HEX_LISTING_LINE_SIZE - Gbl_CurrentHexColumn) * 3); i++) 669 { 670 FlWriteFile (FileId, ".", 1); 671 } 672 673 /* Write the ASCII character associated with each of the bytes */ 674 675 LsDumpAscii (FileId, Gbl_CurrentHexColumn, Gbl_AmlBuffer); 676 break; 677 678 679 case ASL_FILE_ASM_SOURCE_OUTPUT: 680 681 for (i = 0; i < Gbl_CurrentHexColumn; i++) 682 { 683 if (i > 0) 684 { 685 FlPrintFile (FileId, ","); 686 } 687 688 FlPrintFile (FileId, "0%2.2Xh", Gbl_AmlBuffer[i]); 689 } 690 691 for (i = 0; i < ((HEX_LISTING_LINE_SIZE - Gbl_CurrentHexColumn) * 5); i++) 692 { 693 FlWriteFile (FileId, " ", 1); 694 } 695 696 FlPrintFile (FileId, " ;%8.8X", 697 Gbl_CurrentAmlOffset - HEX_LISTING_LINE_SIZE); 698 699 /* Write the ASCII character associated with each of the bytes */ 700 701 LsDumpAscii (FileId, Gbl_CurrentHexColumn, Gbl_AmlBuffer); 702 break; 703 704 705 case ASL_FILE_C_SOURCE_OUTPUT: 706 707 for (i = 0; i < Gbl_CurrentHexColumn; i++) 708 { 709 FlPrintFile (FileId, "0x%2.2X,", Gbl_AmlBuffer[i]); 710 } 711 712 /* Pad hex output with spaces if line is shorter than max line size */ 713 714 for (i = 0; i < ((HEX_LISTING_LINE_SIZE - Gbl_CurrentHexColumn) * 5); i++) 715 { 716 FlWriteFile (FileId, " ", 1); 717 } 718 719 /* AML offset for the start of the line */ 720 721 FlPrintFile (FileId, " /* %8.8X", 722 Gbl_CurrentAmlOffset - Gbl_CurrentHexColumn); 723 724 /* Write the ASCII character associated with each of the bytes */ 725 726 LsDumpAsciiInComment (FileId, Gbl_CurrentHexColumn, Gbl_AmlBuffer); 727 FlPrintFile (FileId, " */"); 728 break; 729 730 default: 731 732 /* No other types supported */ 733 734 return; 735 } 736 737 FlPrintFile (FileId, "\n"); 738 739 Gbl_CurrentHexColumn = 0; 740 Gbl_HexBytesWereWritten = TRUE; 741 } 742 743 744 /******************************************************************************* 745 * 746 * FUNCTION: LsPushNode 747 * 748 * PARAMETERS: Filename - Pointer to the include filename 749 * 750 * RETURN: None 751 * 752 * DESCRIPTION: Push a listing node on the listing/include file stack. This 753 * stack enables tracking of include files (infinitely nested) 754 * and resumption of the listing of the parent file when the 755 * include file is finished. 756 * 757 ******************************************************************************/ 758 759 void 760 LsPushNode ( 761 char *Filename) 762 { 763 ASL_LISTING_NODE *Lnode; 764 765 766 /* Create a new node */ 767 768 Lnode = UtLocalCalloc (sizeof (ASL_LISTING_NODE)); 769 770 /* Initialize */ 771 772 Lnode->Filename = Filename; 773 Lnode->LineNumber = 0; 774 775 /* Link (push) */ 776 777 Lnode->Next = Gbl_ListingNode; 778 Gbl_ListingNode = Lnode; 779 } 780 781 782 /******************************************************************************* 783 * 784 * FUNCTION: LsPopNode 785 * 786 * PARAMETERS: None 787 * 788 * RETURN: List head after current head is popped off 789 * 790 * DESCRIPTION: Pop the current head of the list, free it, and return the 791 * next node on the stack (the new current node). 792 * 793 ******************************************************************************/ 794 795 ASL_LISTING_NODE * 796 LsPopNode ( 797 void) 798 { 799 ASL_LISTING_NODE *Lnode; 800 801 802 /* Just grab the node at the head of the list */ 803 804 Lnode = Gbl_ListingNode; 805 if ((!Lnode) || 806 (!Lnode->Next)) 807 { 808 AslError (ASL_ERROR, ASL_MSG_COMPILER_INTERNAL, NULL, 809 "Could not pop empty listing stack"); 810 return (Gbl_ListingNode); 811 } 812 813 Gbl_ListingNode = Lnode->Next; 814 ACPI_FREE (Lnode); 815 816 /* New "Current" node is the new head */ 817 818 return (Gbl_ListingNode); 819 } 820