reactos/drivers/bus/acpi/acpica/utilities/uttrack.c

   1 /******************************************************************************
   2  *
   3  * Module Name: uttrack - Memory allocation tracking routines (debug only)
   4  *
   5  *****************************************************************************/
   6
   7 /******************************************************************************
   8  *
   9  * 1. Copyright Notice
  10  *
  11  * Some or all of this work - Copyright (c) 1999 - 2011, 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 /*
 117  * These procedures are used for tracking memory leaks in the subsystem, and
 118  * they get compiled out when the ACPI_DBG_TRACK_ALLOCATIONS is not set.
 119  *
 120  * Each memory allocation is tracked via a doubly linked list.  Each
 121  * element contains the caller's component, module name, function name, and
 122  * line number.  AcpiUtAllocate and AcpiUtAllocateZeroed call
 123  * AcpiUtTrackAllocation to add an element to the list; deletion
 124  * occurs in the body of AcpiUtFree.
 125  */
 126
 127 #define __UTTRACK_C__
 128
 129 #include "acpi.h"
 130 #include "accommon.h"
 131
 132 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
 133
 134 #define _COMPONENT          ACPI_UTILITIES
 135         ACPI_MODULE_NAME    ("uttrack")
 136
 137 /* Local prototypes */
 138
 139 static ACPI_DEBUG_MEM_BLOCK *
 140 AcpiUtFindAllocation (
 141     void                    *Allocation);
 142
 143 static ACPI_STATUS
 144 AcpiUtTrackAllocation (
 145     ACPI_DEBUG_MEM_BLOCK    *Address,
 146     ACPI_SIZE               Size,
 147     UINT8                   AllocType,
 148     UINT32                  Component,
 149     const char              *Module,
 150     UINT32                  Line);
 151
 152 static ACPI_STATUS
 153 AcpiUtRemoveAllocation (
 154     ACPI_DEBUG_MEM_BLOCK    *Address,
 155     UINT32                  Component,
 156     const char              *Module,
 157     UINT32                  Line);
 158
 159
 160 /*******************************************************************************
 161  *
 162  * FUNCTION:    AcpiUtCreateList
 163  *
 164  * PARAMETERS:  CacheName       - Ascii name for the cache
 165  *              ObjectSize      - Size of each cached object
 166  *              ReturnCache     - Where the new cache object is returned
 167  *
 168  * RETURN:      Status
 169  *
 170  * DESCRIPTION: Create a local memory list for tracking purposed
 171  *
 172  ******************************************************************************/
 173
 174 ACPI_STATUS
 175 AcpiUtCreateList (
 176     char                    *ListName,
 177     UINT16                  ObjectSize,
 178     ACPI_MEMORY_LIST        **ReturnCache)
 179 {
 180     ACPI_MEMORY_LIST        *Cache;
 181
 182
 183     Cache = AcpiOsAllocate (sizeof (ACPI_MEMORY_LIST));
 184     if (!Cache)
 185     {
 186         return (AE_NO_MEMORY);
 187     }
 188
 189     ACPI_MEMSET (Cache, 0, sizeof (ACPI_MEMORY_LIST));
 190
 191     Cache->ListName   = ListName;
 192     Cache->ObjectSize = ObjectSize;
 193
 194     *ReturnCache = Cache;
 195     return (AE_OK);
 196 }
 197
 198
 199 /*******************************************************************************
 200  *
 201  * FUNCTION:    AcpiUtAllocateAndTrack
 202  *
 203  * PARAMETERS:  Size                - Size of the allocation
 204  *              Component           - Component type of caller
 205  *              Module              - Source file name of caller
 206  *              Line                - Line number of caller
 207  *
 208  * RETURN:      Address of the allocated memory on success, NULL on failure.
 209  *
 210  * DESCRIPTION: The subsystem's equivalent of malloc.
 211  *
 212  ******************************************************************************/
 213
 214 void *
 215 AcpiUtAllocateAndTrack (
 216     ACPI_SIZE               Size,
 217     UINT32                  Component,
 218     const char              *Module,
 219     UINT32                  Line)
 220 {
 221     ACPI_DEBUG_MEM_BLOCK    *Allocation;
 222     ACPI_STATUS             Status;
 223
 224
 225     Allocation = AcpiUtAllocate (Size + sizeof (ACPI_DEBUG_MEM_HEADER),
 226                     Component, Module, Line);
 227     if (!Allocation)
 228     {
 229         return (NULL);
 230     }
 231
 232     Status = AcpiUtTrackAllocation (Allocation, Size,
 233                     ACPI_MEM_MALLOC, Component, Module, Line);
 234     if (ACPI_FAILURE (Status))
 235     {
 236         AcpiOsFree (Allocation);
 237         return (NULL);
 238     }
 239
 240     AcpiGbl_GlobalList->TotalAllocated++;
 241     AcpiGbl_GlobalList->TotalSize += (UINT32) Size;
 242     AcpiGbl_GlobalList->CurrentTotalSize += (UINT32) Size;
 243     if (AcpiGbl_GlobalList->CurrentTotalSize > AcpiGbl_GlobalList->MaxOccupied)
 244     {
 245         AcpiGbl_GlobalList->MaxOccupied = AcpiGbl_GlobalList->CurrentTotalSize;
 246     }
 247
 248     return ((void *) &Allocation->UserSpace);
 249 }
 250
 251
 252 /*******************************************************************************
 253  *
 254  * FUNCTION:    AcpiUtAllocateZeroedAndTrack
 255  *
 256  * PARAMETERS:  Size                - Size of the allocation
 257  *              Component           - Component type of caller
 258  *              Module              - Source file name of caller
 259  *              Line                - Line number of caller
 260  *
 261  * RETURN:      Address of the allocated memory on success, NULL on failure.
 262  *
 263  * DESCRIPTION: Subsystem equivalent of calloc.
 264  *
 265  ******************************************************************************/
 266
 267 void *
 268 AcpiUtAllocateZeroedAndTrack (
 269     ACPI_SIZE               Size,
 270     UINT32                  Component,
 271     const char              *Module,
 272     UINT32                  Line)
 273 {
 274     ACPI_DEBUG_MEM_BLOCK    *Allocation;
 275     ACPI_STATUS             Status;
 276
 277
 278     Allocation = AcpiUtAllocateZeroed (Size + sizeof (ACPI_DEBUG_MEM_HEADER),
 279                     Component, Module, Line);
 280     if (!Allocation)
 281     {
 282         /* Report allocation error */
 283
 284         ACPI_ERROR ((Module, Line,
 285             "Could not allocate size %u", (UINT32) Size));
 286         return (NULL);
 287     }
 288
 289     Status = AcpiUtTrackAllocation (Allocation, Size,
 290                 ACPI_MEM_CALLOC, Component, Module, Line);
 291     if (ACPI_FAILURE (Status))
 292     {
 293         AcpiOsFree (Allocation);
 294         return (NULL);
 295     }
 296
 297     AcpiGbl_GlobalList->TotalAllocated++;
 298     AcpiGbl_GlobalList->TotalSize += (UINT32) Size;
 299     AcpiGbl_GlobalList->CurrentTotalSize += (UINT32) Size;
 300     if (AcpiGbl_GlobalList->CurrentTotalSize > AcpiGbl_GlobalList->MaxOccupied)
 301     {
 302         AcpiGbl_GlobalList->MaxOccupied = AcpiGbl_GlobalList->CurrentTotalSize;
 303     }
 304
 305     return ((void *) &Allocation->UserSpace);
 306 }
 307
 308
 309 /*******************************************************************************
 310  *
 311  * FUNCTION:    AcpiUtFreeAndTrack
 312  *
 313  * PARAMETERS:  Allocation          - Address of the memory to deallocate
 314  *              Component           - Component type of caller
 315  *              Module              - Source file name of caller
 316  *              Line                - Line number of caller
 317  *
 318  * RETURN:      None
 319  *
 320  * DESCRIPTION: Frees the memory at Allocation
 321  *
 322  ******************************************************************************/
 323
 324 void
 325 AcpiUtFreeAndTrack (
 326     void                    *Allocation,
 327     UINT32                  Component,
 328     const char              *Module,
 329     UINT32                  Line)
 330 {
 331     ACPI_DEBUG_MEM_BLOCK    *DebugBlock;
 332     ACPI_STATUS             Status;
 333
 334
 335     ACPI_FUNCTION_TRACE_PTR (UtFree, Allocation);
 336
 337
 338     if (NULL == Allocation)
 339     {
 340         ACPI_ERROR ((Module, Line,
 341             "Attempt to delete a NULL address"));
 342
 343         return_VOID;
 344     }
 345
 346     DebugBlock = ACPI_CAST_PTR (ACPI_DEBUG_MEM_BLOCK,
 347                     (((char *) Allocation) - sizeof (ACPI_DEBUG_MEM_HEADER)));
 348
 349     AcpiGbl_GlobalList->TotalFreed++;
 350     AcpiGbl_GlobalList->CurrentTotalSize -= DebugBlock->Size;
 351
 352     Status = AcpiUtRemoveAllocation (DebugBlock,
 353                     Component, Module, Line);
 354     if (ACPI_FAILURE (Status))
 355     {
 356         ACPI_EXCEPTION ((AE_INFO, Status, "Could not free memory"));
 357     }
 358
 359     AcpiOsFree (DebugBlock);
 360     ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "%p freed\n", Allocation));
 361     return_VOID;
 362 }
 363
 364
 365 /*******************************************************************************
 366  *
 367  * FUNCTION:    AcpiUtFindAllocation
 368  *
 369  * PARAMETERS:  Allocation              - Address of allocated memory
 370  *
 371  * RETURN:      A list element if found; NULL otherwise.
 372  *
 373  * DESCRIPTION: Searches for an element in the global allocation tracking list.
 374  *
 375  ******************************************************************************/
 376
 377 static ACPI_DEBUG_MEM_BLOCK *
 378 AcpiUtFindAllocation (
 379     void                    *Allocation)
 380 {
 381     ACPI_DEBUG_MEM_BLOCK    *Element;
 382
 383
 384     ACPI_FUNCTION_ENTRY ();
 385
 386
 387     Element = AcpiGbl_GlobalList->ListHead;
 388
 389     /* Search for the address. */
 390
 391     while (Element)
 392     {
 393         if (Element == Allocation)
 394         {
 395             return (Element);
 396         }
 397
 398         Element = Element->Next;
 399     }
 400
 401     return (NULL);
 402 }
 403
 404
 405 /*******************************************************************************
 406  *
 407  * FUNCTION:    AcpiUtTrackAllocation
 408  *
 409  * PARAMETERS:  Allocation          - Address of allocated memory
 410  *              Size                - Size of the allocation
 411  *              AllocType           - MEM_MALLOC or MEM_CALLOC
 412  *              Component           - Component type of caller
 413  *              Module              - Source file name of caller
 414  *              Line                - Line number of caller
 415  *
 416  * RETURN:      None.
 417  *
 418  * DESCRIPTION: Inserts an element into the global allocation tracking list.
 419  *
 420  ******************************************************************************/
 421
 422 static ACPI_STATUS
 423 AcpiUtTrackAllocation (
 424     ACPI_DEBUG_MEM_BLOCK    *Allocation,
 425     ACPI_SIZE               Size,
 426     UINT8                   AllocType,
 427     UINT32                  Component,
 428     const char              *Module,
 429     UINT32                  Line)
 430 {
 431     ACPI_MEMORY_LIST        *MemList;
 432     ACPI_DEBUG_MEM_BLOCK    *Element;
 433     ACPI_STATUS             Status = AE_OK;
 434
 435
 436     ACPI_FUNCTION_TRACE_PTR (UtTrackAllocation, Allocation);
 437
 438
 439     if (AcpiGbl_DisableMemTracking)
 440     {
 441         return_ACPI_STATUS (AE_OK);
 442     }
 443
 444     MemList = AcpiGbl_GlobalList;
 445     Status = AcpiUtAcquireMutex (ACPI_MTX_MEMORY);
 446     if (ACPI_FAILURE (Status))
 447     {
 448         return_ACPI_STATUS (Status);
 449     }
 450
 451     /*
 452      * Search list for this address to make sure it is not already on the list.
 453      * This will catch several kinds of problems.
 454      */
 455     Element = AcpiUtFindAllocation (Allocation);
 456     if (Element)
 457     {
 458         ACPI_ERROR ((AE_INFO,
 459             "UtTrackAllocation: Allocation already present in list! (%p)",
 460             Allocation));
 461
 462         ACPI_ERROR ((AE_INFO, "Element %p Address %p",
 463             Element, Allocation));
 464
 465         goto UnlockAndExit;
 466     }
 467
 468     /* Fill in the instance data. */
 469
 470     Allocation->Size      = (UINT32) Size;
 471     Allocation->AllocType = AllocType;
 472     Allocation->Component = Component;
 473     Allocation->Line      = Line;
 474
 475     ACPI_STRNCPY (Allocation->Module, Module, ACPI_MAX_MODULE_NAME);
 476     Allocation->Module[ACPI_MAX_MODULE_NAME-1] = 0;
 477
 478     /* Insert at list head */
 479
 480     if (MemList->ListHead)
 481     {
 482         ((ACPI_DEBUG_MEM_BLOCK *)(MemList->ListHead))->Previous = Allocation;
 483     }
 484
 485     Allocation->Next = MemList->ListHead;
 486     Allocation->Previous = NULL;
 487
 488     MemList->ListHead = Allocation;
 489
 490
 491 UnlockAndExit:
 492     Status = AcpiUtReleaseMutex (ACPI_MTX_MEMORY);
 493     return_ACPI_STATUS (Status);
 494 }
 495
 496
 497 /*******************************************************************************
 498  *
 499  * FUNCTION:    AcpiUtRemoveAllocation
 500  *
 501  * PARAMETERS:  Allocation          - Address of allocated memory
 502  *              Component           - Component type of caller
 503  *              Module              - Source file name of caller
 504  *              Line                - Line number of caller
 505  *
 506  * RETURN:
 507  *
 508  * DESCRIPTION: Deletes an element from the global allocation tracking list.
 509  *
 510  ******************************************************************************/
 511
 512 static ACPI_STATUS
 513 AcpiUtRemoveAllocation (
 514     ACPI_DEBUG_MEM_BLOCK    *Allocation,
 515     UINT32                  Component,
 516     const char              *Module,
 517     UINT32                  Line)
 518 {
 519     ACPI_MEMORY_LIST        *MemList;
 520     ACPI_STATUS             Status;
 521
 522
 523     ACPI_FUNCTION_TRACE (UtRemoveAllocation);
 524
 525
 526     if (AcpiGbl_DisableMemTracking)
 527     {
 528         return_ACPI_STATUS (AE_OK);
 529     }
 530
 531     MemList = AcpiGbl_GlobalList;
 532     if (NULL == MemList->ListHead)
 533     {
 534         /* No allocations! */
 535
 536         ACPI_ERROR ((Module, Line,
 537             "Empty allocation list, nothing to free!"));
 538
 539         return_ACPI_STATUS (AE_OK);
 540     }
 541
 542     Status = AcpiUtAcquireMutex (ACPI_MTX_MEMORY);
 543     if (ACPI_FAILURE (Status))
 544     {
 545         return_ACPI_STATUS (Status);
 546     }
 547
 548     /* Unlink */
 549
 550     if (Allocation->Previous)
 551     {
 552         (Allocation->Previous)->Next = Allocation->Next;
 553     }
 554     else
 555     {
 556         MemList->ListHead = Allocation->Next;
 557     }
 558
 559     if (Allocation->Next)
 560     {
 561         (Allocation->Next)->Previous = Allocation->Previous;
 562     }
 563
 564     /* Mark the segment as deleted */
 565
 566     ACPI_MEMSET (&Allocation->UserSpace, 0xEA, Allocation->Size);
 567
 568     ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Freeing size 0%X\n",
 569         Allocation->Size));
 570
 571     Status = AcpiUtReleaseMutex (ACPI_MTX_MEMORY);
 572     return_ACPI_STATUS (Status);
 573 }
 574
 575
 576 /*******************************************************************************
 577  *
 578  * FUNCTION:    AcpiUtDumpAllocationInfo
 579  *
 580  * PARAMETERS:
 581  *
 582  * RETURN:      None
 583  *
 584  * DESCRIPTION: Print some info about the outstanding allocations.
 585  *
 586  ******************************************************************************/
 587
 588 void
 589 AcpiUtDumpAllocationInfo (
 590     void)
 591 {
 592 /*
 593     ACPI_MEMORY_LIST        *MemList;
 594 */
 595
 596     ACPI_FUNCTION_TRACE (UtDumpAllocationInfo);
 597
 598 /*
 599     ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
 600                     ("%30s: %4d (%3d Kb)\n", "Current allocations",
 601                     MemList->CurrentCount,
 602                     ROUND_UP_TO_1K (MemList->CurrentSize)));
 603
 604     ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
 605                     ("%30s: %4d (%3d Kb)\n", "Max concurrent allocations",
 606                     MemList->MaxConcurrentCount,
 607                     ROUND_UP_TO_1K (MemList->MaxConcurrentSize)));
 608
 609
 610     ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
 611                     ("%30s: %4d (%3d Kb)\n", "Total (all) internal objects",
 612                     RunningObjectCount,
 613                     ROUND_UP_TO_1K (RunningObjectSize)));
 614
 615     ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
 616                     ("%30s: %4d (%3d Kb)\n", "Total (all) allocations",
 617                     RunningAllocCount,
 618                     ROUND_UP_TO_1K (RunningAllocSize)));
 619
 620
 621     ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
 622                     ("%30s: %4d (%3d Kb)\n", "Current Nodes",
 623                     AcpiGbl_CurrentNodeCount,
 624                     ROUND_UP_TO_1K (AcpiGbl_CurrentNodeSize)));
 625
 626     ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
 627                     ("%30s: %4d (%3d Kb)\n", "Max Nodes",
 628                     AcpiGbl_MaxConcurrentNodeCount,
 629                     ROUND_UP_TO_1K ((AcpiGbl_MaxConcurrentNodeCount *
 630                         sizeof (ACPI_NAMESPACE_NODE)))));
 631 */
 632     return_VOID;
 633 }
 634
 635
 636 /*******************************************************************************
 637  *
 638  * FUNCTION:    AcpiUtDumpAllocations
 639  *
 640  * PARAMETERS:  Component           - Component(s) to dump info for.
 641  *              Module              - Module to dump info for.  NULL means all.
 642  *
 643  * RETURN:      None
 644  *
 645  * DESCRIPTION: Print a list of all outstanding allocations.
 646  *
 647  ******************************************************************************/
 648
 649 void
 650 AcpiUtDumpAllocations (
 651     UINT32                  Component,
 652     const char              *Module)
 653 {
 654     ACPI_DEBUG_MEM_BLOCK    *Element;
 655     ACPI_DESCRIPTOR         *Descriptor;
 656     UINT32                  NumOutstanding = 0;
 657     UINT8                   DescriptorType;
 658
 659
 660     ACPI_FUNCTION_TRACE (UtDumpAllocations);
 661
 662
 663     if (AcpiGbl_DisableMemTracking)
 664     {
 665         return;
 666     }
 667
 668     /*
 669      * Walk the allocation list.
 670      */
 671     if (ACPI_FAILURE (AcpiUtAcquireMutex (ACPI_MTX_MEMORY)))
 672     {
 673         return;
 674     }
 675
 676     Element = AcpiGbl_GlobalList->ListHead;
 677     while (Element)
 678     {
 679         if ((Element->Component & Component) &&
 680             ((Module == NULL) || (0 == ACPI_STRCMP (Module, Element->Module))))
 681         {
 682             Descriptor = ACPI_CAST_PTR (ACPI_DESCRIPTOR, &Element->UserSpace);
 683
 684             if (Element->Size < sizeof (ACPI_COMMON_DESCRIPTOR))
 685             {
 686                 AcpiOsPrintf ("%p Length 0x%04X %9.9s-%u "
 687                     "[Not a Descriptor - too small]\n",
 688                     Descriptor, Element->Size, Element->Module,
 689                     Element->Line);
 690             }
 691             else
 692             {
 693                 /* Ignore allocated objects that are in a cache */
 694
 695                 if (ACPI_GET_DESCRIPTOR_TYPE (Descriptor) != ACPI_DESC_TYPE_CACHED)
 696                 {
 697                     AcpiOsPrintf ("%p Length 0x%04X %9.9s-%u [%s] ",
 698                         Descriptor, Element->Size, Element->Module,
 699                         Element->Line, AcpiUtGetDescriptorName (Descriptor));
 700
 701                     /* Validate the descriptor type using Type field and length */
 702
 703                     DescriptorType = 0; /* Not a valid descriptor type */
 704
 705                     switch (ACPI_GET_DESCRIPTOR_TYPE (Descriptor))
 706                     {
 707                     case ACPI_DESC_TYPE_OPERAND:
 708                         if (Element->Size == sizeof (ACPI_DESC_TYPE_OPERAND))
 709                         {
 710                             DescriptorType = ACPI_DESC_TYPE_OPERAND;
 711                         }
 712                         break;
 713
 714                     case ACPI_DESC_TYPE_PARSER:
 715                         if (Element->Size == sizeof (ACPI_DESC_TYPE_PARSER))
 716                         {
 717                             DescriptorType = ACPI_DESC_TYPE_PARSER;
 718                         }
 719                         break;
 720
 721                     case ACPI_DESC_TYPE_NAMED:
 722                         if (Element->Size == sizeof (ACPI_DESC_TYPE_NAMED))
 723                         {
 724                             DescriptorType = ACPI_DESC_TYPE_NAMED;
 725                         }
 726                         break;
 727
 728                     default:
 729                         break;
 730                     }
 731
 732                     /* Display additional info for the major descriptor types */
 733
 734                     switch (DescriptorType)
 735                     {
 736                     case ACPI_DESC_TYPE_OPERAND:
 737                         AcpiOsPrintf ("%12.12s  RefCount 0x%04X\n",
 738                             AcpiUtGetTypeName (Descriptor->Object.Common.Type),
 739                             Descriptor->Object.Common.ReferenceCount);
 740                         break;
 741
 742                     case ACPI_DESC_TYPE_PARSER:
 743                         AcpiOsPrintf ("AmlOpcode 0x%04hX\n",
 744                             Descriptor->Op.Asl.AmlOpcode);
 745                         break;
 746
 747                     case ACPI_DESC_TYPE_NAMED:
 748                         AcpiOsPrintf ("%4.4s\n",
 749                             AcpiUtGetNodeName (&Descriptor->Node));
 750                         break;
 751
 752                     default:
 753                         AcpiOsPrintf ( "\n");
 754                         break;
 755                     }
 756                 }
 757             }
 758
 759             NumOutstanding++;
 760         }
 761
 762         Element = Element->Next;
 763     }
 764
 765     (void) AcpiUtReleaseMutex (ACPI_MTX_MEMORY);
 766
 767     /* Print summary */
 768
 769     if (!NumOutstanding)
 770     {
 771         ACPI_INFO ((AE_INFO, "No outstanding allocations"));
 772     }
 773     else
 774     {
 775         ACPI_ERROR ((AE_INFO, "%u(0x%X) Outstanding allocations",
 776             NumOutstanding, NumOutstanding));
 777     }
 778
 779     return_VOID;
 780 }
 781
 782 #endif  /* ACPI_DBG_TRACK_ALLOCATIONS */
 783