diff options
Diffstat (limited to 'sys/contrib/dev/acpica/components/utilities/uttrack.c')
| -rw-r--r-- | sys/contrib/dev/acpica/components/utilities/uttrack.c | 909 |
1 files changed, 909 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/components/utilities/uttrack.c b/sys/contrib/dev/acpica/components/utilities/uttrack.c new file mode 100644 index 000000000000..03a1936513d4 --- /dev/null +++ b/sys/contrib/dev/acpica/components/utilities/uttrack.c @@ -0,0 +1,909 @@ +/****************************************************************************** + * + * Module Name: uttrack - Memory allocation tracking routines (debug only) + * + *****************************************************************************/ + +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999 - 2020, Intel Corp. + * All rights reserved. + * + * 2. License + * + * 2.1. This is your license from Intel Corp. under its intellectual property + * rights. You may have additional license terms from the party that provided + * you this software, covering your right to use that party's intellectual + * property rights. + * + * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a + * copy of the source code appearing in this file ("Covered Code") an + * irrevocable, perpetual, worldwide license under Intel's copyrights in the + * base code distributed originally by Intel ("Original Intel Code") to copy, + * make derivatives, distribute, use and display any portion of the Covered + * Code in any form, with the right to sublicense such rights; and + * + * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent + * license (with the right to sublicense), under only those claims of Intel + * patents that are infringed by the Original Intel Code, to make, use, sell, + * offer to sell, and import the Covered Code and derivative works thereof + * solely to the minimum extent necessary to exercise the above copyright + * license, and in no event shall the patent license extend to any additions + * to or modifications of the Original Intel Code. No other license or right + * is granted directly or by implication, estoppel or otherwise; + * + * The above copyright and patent license is granted only if the following + * conditions are met: + * + * 3. Conditions + * + * 3.1. Redistribution of Source with Rights to Further Distribute Source. + * Redistribution of source code of any substantial portion of the Covered + * Code or modification with rights to further distribute source must include + * the above Copyright Notice, the above License, this list of Conditions, + * and the following Disclaimer and Export Compliance provision. In addition, + * Licensee must cause all Covered Code to which Licensee contributes to + * contain a file documenting the changes Licensee made to create that Covered + * Code and the date of any change. Licensee must include in that file the + * documentation of any changes made by any predecessor Licensee. Licensee + * must include a prominent statement that the modification is derived, + * directly or indirectly, from Original Intel Code. + * + * 3.2. Redistribution of Source with no Rights to Further Distribute Source. + * Redistribution of source code of any substantial portion of the Covered + * Code or modification without rights to further distribute source must + * include the following Disclaimer and Export Compliance provision in the + * documentation and/or other materials provided with distribution. In + * addition, Licensee may not authorize further sublicense of source of any + * portion of the Covered Code, and must include terms to the effect that the + * license from Licensee to its licensee is limited to the intellectual + * property embodied in the software Licensee provides to its licensee, and + * not to intellectual property embodied in modifications its licensee may + * make. + * + * 3.3. Redistribution of Executable. Redistribution in executable form of any + * substantial portion of the Covered Code or modification must reproduce the + * above Copyright Notice, and the following Disclaimer and Export Compliance + * provision in the documentation and/or other materials provided with the + * distribution. + * + * 3.4. Intel retains all right, title, and interest in and to the Original + * Intel Code. + * + * 3.5. Neither the name Intel nor any other trademark owned or controlled by + * Intel shall be used in advertising or otherwise to promote the sale, use or + * other dealings in products derived from or relating to the Covered Code + * without prior written authorization from Intel. + * + * 4. Disclaimer and Export Compliance + * + * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED + * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE + * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, + * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY + * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY + * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A + * PARTICULAR PURPOSE. + * + * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES + * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR + * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, + * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY + * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL + * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS + * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY + * LIMITED REMEDY. + * + * 4.3. Licensee shall not export, either directly or indirectly, any of this + * software or system incorporating such software without first obtaining any + * required license or other approval from the U. S. Department of Commerce or + * any other agency or department of the United States Government. In the + * event Licensee exports any such software from the United States or + * re-exports any such software from a foreign destination, Licensee shall + * ensure that the distribution and export/re-export of the software is in + * compliance with all laws, regulations, orders, or other restrictions of the + * U.S. Export Administration Regulations. Licensee agrees that neither it nor + * any of its subsidiaries will export/re-export any technical data, process, + * software, or service, directly or indirectly, to any country for which the + * United States government or any agency thereof requires an export license, + * other governmental approval, or letter of assurance, without first obtaining + * such license, approval or letter. + * + ***************************************************************************** + * + * Alternatively, you may choose to be licensed under the terms of the + * following license: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Alternatively, you may choose to be licensed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + *****************************************************************************/ + +/* + * These procedures are used for tracking memory leaks in the subsystem, and + * they get compiled out when the ACPI_DBG_TRACK_ALLOCATIONS is not set. + * + * Each memory allocation is tracked via a doubly linked list. Each + * element contains the caller's component, module name, function name, and + * line number. AcpiUtAllocate and AcpiUtAllocateZeroed call + * AcpiUtTrackAllocation to add an element to the list; deletion + * occurs in the body of AcpiUtFree. + */ + +#include <contrib/dev/acpica/include/acpi.h> +#include <contrib/dev/acpica/include/accommon.h> + +#ifdef ACPI_DBG_TRACK_ALLOCATIONS + +#define _COMPONENT ACPI_UTILITIES + ACPI_MODULE_NAME ("uttrack") + + +/* Local prototypes */ + +static ACPI_DEBUG_MEM_BLOCK * +AcpiUtFindAllocation ( + ACPI_DEBUG_MEM_BLOCK *Allocation); + +static ACPI_STATUS +AcpiUtTrackAllocation ( + ACPI_DEBUG_MEM_BLOCK *Address, + ACPI_SIZE Size, + UINT8 AllocType, + UINT32 Component, + const char *Module, + UINT32 Line); + +static ACPI_STATUS +AcpiUtRemoveAllocation ( + ACPI_DEBUG_MEM_BLOCK *Address, + UINT32 Component, + const char *Module, + UINT32 Line); + + +/******************************************************************************* + * + * FUNCTION: AcpiUtCreateList + * + * PARAMETERS: CacheName - Ascii name for the cache + * ObjectSize - Size of each cached object + * ReturnCache - Where the new cache object is returned + * + * RETURN: Status + * + * DESCRIPTION: Create a local memory list for tracking purposed + * + ******************************************************************************/ + +ACPI_STATUS +AcpiUtCreateList ( + const char *ListName, + UINT16 ObjectSize, + ACPI_MEMORY_LIST **ReturnCache) +{ + ACPI_MEMORY_LIST *Cache; + + + Cache = AcpiOsAllocateZeroed (sizeof (ACPI_MEMORY_LIST)); + if (!Cache) + { + return (AE_NO_MEMORY); + } + + Cache->ListName = ListName; + Cache->ObjectSize = ObjectSize; + + *ReturnCache = Cache; + return (AE_OK); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiUtAllocateAndTrack + * + * PARAMETERS: Size - Size of the allocation + * Component - Component type of caller + * Module - Source file name of caller + * Line - Line number of caller + * + * RETURN: Address of the allocated memory on success, NULL on failure. + * + * DESCRIPTION: The subsystem's equivalent of malloc. + * + ******************************************************************************/ + +void * +AcpiUtAllocateAndTrack ( + ACPI_SIZE Size, + UINT32 Component, + const char *Module, + UINT32 Line) +{ + ACPI_DEBUG_MEM_BLOCK *Allocation; + ACPI_STATUS Status; + + + /* Check for an inadvertent size of zero bytes */ + + if (!Size) + { + ACPI_WARNING ((Module, Line, + "Attempt to allocate zero bytes, allocating 1 byte")); + Size = 1; + } + + Allocation = AcpiOsAllocate (Size + sizeof (ACPI_DEBUG_MEM_HEADER)); + if (!Allocation) + { + /* Report allocation error */ + + ACPI_WARNING ((Module, Line, + "Could not allocate size %u", (UINT32) Size)); + + return (NULL); + } + + Status = AcpiUtTrackAllocation ( + Allocation, Size, ACPI_MEM_MALLOC, Component, Module, Line); + if (ACPI_FAILURE (Status)) + { + AcpiOsFree (Allocation); + return (NULL); + } + + AcpiGbl_GlobalList->TotalAllocated++; + AcpiGbl_GlobalList->TotalSize += (UINT32) Size; + AcpiGbl_GlobalList->CurrentTotalSize += (UINT32) Size; + + if (AcpiGbl_GlobalList->CurrentTotalSize > + AcpiGbl_GlobalList->MaxOccupied) + { + AcpiGbl_GlobalList->MaxOccupied = + AcpiGbl_GlobalList->CurrentTotalSize; + } + + return ((void *) &Allocation->UserSpace); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiUtAllocateZeroedAndTrack + * + * PARAMETERS: Size - Size of the allocation + * Component - Component type of caller + * Module - Source file name of caller + * Line - Line number of caller + * + * RETURN: Address of the allocated memory on success, NULL on failure. + * + * DESCRIPTION: Subsystem equivalent of calloc. + * + ******************************************************************************/ + +void * +AcpiUtAllocateZeroedAndTrack ( + ACPI_SIZE Size, + UINT32 Component, + const char *Module, + UINT32 Line) +{ + ACPI_DEBUG_MEM_BLOCK *Allocation; + ACPI_STATUS Status; + + + /* Check for an inadvertent size of zero bytes */ + + if (!Size) + { + ACPI_WARNING ((Module, Line, + "Attempt to allocate zero bytes, allocating 1 byte")); + Size = 1; + } + + Allocation = AcpiOsAllocateZeroed ( + Size + sizeof (ACPI_DEBUG_MEM_HEADER)); + if (!Allocation) + { + /* Report allocation error */ + + ACPI_ERROR ((Module, Line, + "Could not allocate size %u", (UINT32) Size)); + return (NULL); + } + + Status = AcpiUtTrackAllocation (Allocation, Size, + ACPI_MEM_CALLOC, Component, Module, Line); + if (ACPI_FAILURE (Status)) + { + AcpiOsFree (Allocation); + return (NULL); + } + + AcpiGbl_GlobalList->TotalAllocated++; + AcpiGbl_GlobalList->TotalSize += (UINT32) Size; + AcpiGbl_GlobalList->CurrentTotalSize += (UINT32) Size; + + if (AcpiGbl_GlobalList->CurrentTotalSize > + AcpiGbl_GlobalList->MaxOccupied) + { + AcpiGbl_GlobalList->MaxOccupied = + AcpiGbl_GlobalList->CurrentTotalSize; + } + + return ((void *) &Allocation->UserSpace); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiUtFreeAndTrack + * + * PARAMETERS: Allocation - Address of the memory to deallocate + * Component - Component type of caller + * Module - Source file name of caller + * Line - Line number of caller + * + * RETURN: None + * + * DESCRIPTION: Frees the memory at Allocation + * + ******************************************************************************/ + +void +AcpiUtFreeAndTrack ( + void *Allocation, + UINT32 Component, + const char *Module, + UINT32 Line) +{ + ACPI_DEBUG_MEM_BLOCK *DebugBlock; + ACPI_STATUS Status; + + + ACPI_FUNCTION_TRACE_PTR (UtFree, Allocation); + + + if (NULL == Allocation) + { + ACPI_ERROR ((Module, Line, + "Attempt to delete a NULL address")); + + return_VOID; + } + + DebugBlock = ACPI_CAST_PTR (ACPI_DEBUG_MEM_BLOCK, + (((char *) Allocation) - sizeof (ACPI_DEBUG_MEM_HEADER))); + + AcpiGbl_GlobalList->TotalFreed++; + AcpiGbl_GlobalList->CurrentTotalSize -= DebugBlock->Size; + + Status = AcpiUtRemoveAllocation (DebugBlock, Component, Module, Line); + if (ACPI_FAILURE (Status)) + { + ACPI_EXCEPTION ((AE_INFO, Status, "Could not free memory")); + } + + AcpiOsFree (DebugBlock); + ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "%p freed (block %p)\n", + Allocation, DebugBlock)); + return_VOID; +} + + +/******************************************************************************* + * + * FUNCTION: AcpiUtFindAllocation + * + * PARAMETERS: Allocation - Address of allocated memory + * + * RETURN: Three cases: + * 1) List is empty, NULL is returned. + * 2) Element was found. Returns Allocation parameter. + * 3) Element was not found. Returns position where it should be + * inserted into the list. + * + * DESCRIPTION: Searches for an element in the global allocation tracking list. + * If the element is not found, returns the location within the + * list where the element should be inserted. + * + * Note: The list is ordered by larger-to-smaller addresses. + * + * This global list is used to detect memory leaks in ACPICA as + * well as other issues such as an attempt to release the same + * internal object more than once. Although expensive as far + * as cpu time, this list is much more helpful for finding these + * types of issues than using memory leak detectors outside of + * the ACPICA code. + * + ******************************************************************************/ + +static ACPI_DEBUG_MEM_BLOCK * +AcpiUtFindAllocation ( + ACPI_DEBUG_MEM_BLOCK *Allocation) +{ + ACPI_DEBUG_MEM_BLOCK *Element; + + + Element = AcpiGbl_GlobalList->ListHead; + if (!Element) + { + return (NULL); + } + + /* + * Search for the address. + * + * Note: List is ordered by larger-to-smaller addresses, on the + * assumption that a new allocation usually has a larger address + * than previous allocations. + */ + while (Element > Allocation) + { + /* Check for end-of-list */ + + if (!Element->Next) + { + return (Element); + } + + Element = Element->Next; + } + + if (Element == Allocation) + { + return (Element); + } + + return (Element->Previous); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiUtTrackAllocation + * + * PARAMETERS: Allocation - Address of allocated memory + * Size - Size of the allocation + * AllocType - MEM_MALLOC or MEM_CALLOC + * Component - Component type of caller + * Module - Source file name of caller + * Line - Line number of caller + * + * RETURN: Status + * + * DESCRIPTION: Inserts an element into the global allocation tracking list. + * + ******************************************************************************/ + +static ACPI_STATUS +AcpiUtTrackAllocation ( + ACPI_DEBUG_MEM_BLOCK *Allocation, + ACPI_SIZE Size, + UINT8 AllocType, + UINT32 Component, + const char *Module, + UINT32 Line) +{ + ACPI_MEMORY_LIST *MemList; + ACPI_DEBUG_MEM_BLOCK *Element; + ACPI_STATUS Status = AE_OK; + + + ACPI_FUNCTION_TRACE_PTR (UtTrackAllocation, Allocation); + + + if (AcpiGbl_DisableMemTracking) + { + return_ACPI_STATUS (AE_OK); + } + + MemList = AcpiGbl_GlobalList; + Status = AcpiUtAcquireMutex (ACPI_MTX_MEMORY); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + /* + * Search the global list for this address to make sure it is not + * already present. This will catch several kinds of problems. + */ + Element = AcpiUtFindAllocation (Allocation); + if (Element == Allocation) + { + ACPI_ERROR ((AE_INFO, + "UtTrackAllocation: Allocation (%p) already present in global list!", + Allocation)); + goto UnlockAndExit; + } + + /* Fill in the instance data */ + + Allocation->Size = (UINT32) Size; + Allocation->AllocType = AllocType; + Allocation->Component = Component; + Allocation->Line = Line; + + AcpiUtSafeStrncpy (Allocation->Module, (char *) Module, ACPI_MAX_MODULE_NAME); + + if (!Element) + { + /* Insert at list head */ + + if (MemList->ListHead) + { + ((ACPI_DEBUG_MEM_BLOCK *)(MemList->ListHead))->Previous = + Allocation; + } + + Allocation->Next = MemList->ListHead; + Allocation->Previous = NULL; + + MemList->ListHead = Allocation; + } + else + { + /* Insert after element */ + + Allocation->Next = Element->Next; + Allocation->Previous = Element; + + if (Element->Next) + { + (Element->Next)->Previous = Allocation; + } + + Element->Next = Allocation; + } + + +UnlockAndExit: + Status = AcpiUtReleaseMutex (ACPI_MTX_MEMORY); + return_ACPI_STATUS (Status); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiUtRemoveAllocation + * + * PARAMETERS: Allocation - Address of allocated memory + * Component - Component type of caller + * Module - Source file name of caller + * Line - Line number of caller + * + * RETURN: Status + * + * DESCRIPTION: Deletes an element from the global allocation tracking list. + * + ******************************************************************************/ + +static ACPI_STATUS +AcpiUtRemoveAllocation ( + ACPI_DEBUG_MEM_BLOCK *Allocation, + UINT32 Component, + const char *Module, + UINT32 Line) +{ + ACPI_MEMORY_LIST *MemList; + ACPI_STATUS Status; + + + ACPI_FUNCTION_NAME (UtRemoveAllocation); + + + if (AcpiGbl_DisableMemTracking) + { + return (AE_OK); + } + + MemList = AcpiGbl_GlobalList; + if (NULL == MemList->ListHead) + { + /* No allocations! */ + + ACPI_ERROR ((Module, Line, + "Empty allocation list, nothing to free!")); + + return (AE_OK); + } + + Status = AcpiUtAcquireMutex (ACPI_MTX_MEMORY); + if (ACPI_FAILURE (Status)) + { + return (Status); + } + + /* Unlink */ + + if (Allocation->Previous) + { + (Allocation->Previous)->Next = Allocation->Next; + } + else + { + MemList->ListHead = Allocation->Next; + } + + if (Allocation->Next) + { + (Allocation->Next)->Previous = Allocation->Previous; + } + + ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Freeing %p, size 0%X\n", + &Allocation->UserSpace, Allocation->Size)); + + /* Mark the segment as deleted */ + + memset (&Allocation->UserSpace, 0xEA, Allocation->Size); + + Status = AcpiUtReleaseMutex (ACPI_MTX_MEMORY); + return (Status); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiUtDumpAllocationInfo + * + * PARAMETERS: None + * + * RETURN: None + * + * DESCRIPTION: Print some info about the outstanding allocations. + * + ******************************************************************************/ + +void +AcpiUtDumpAllocationInfo ( + void) +{ +/* + ACPI_MEMORY_LIST *MemList; +*/ + + ACPI_FUNCTION_TRACE (UtDumpAllocationInfo); + +/* + ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, + ("%30s: %4d (%3d Kb)\n", "Current allocations", + MemList->CurrentCount, + ROUND_UP_TO_1K (MemList->CurrentSize))); + + ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, + ("%30s: %4d (%3d Kb)\n", "Max concurrent allocations", + MemList->MaxConcurrentCount, + ROUND_UP_TO_1K (MemList->MaxConcurrentSize))); + + + ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, + ("%30s: %4d (%3d Kb)\n", "Total (all) internal objects", + RunningObjectCount, + ROUND_UP_TO_1K (RunningObjectSize))); + + ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, + ("%30s: %4d (%3d Kb)\n", "Total (all) allocations", + RunningAllocCount, + ROUND_UP_TO_1K (RunningAllocSize))); + + + ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, + ("%30s: %4d (%3d Kb)\n", "Current Nodes", + AcpiGbl_CurrentNodeCount, + ROUND_UP_TO_1K (AcpiGbl_CurrentNodeSize))); + + ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, + ("%30s: %4d (%3d Kb)\n", "Max Nodes", + AcpiGbl_MaxConcurrentNodeCount, + ROUND_UP_TO_1K ((AcpiGbl_MaxConcurrentNodeCount * + sizeof (ACPI_NAMESPACE_NODE))))); +*/ + return_VOID; +} + + +/******************************************************************************* + * + * FUNCTION: AcpiUtDumpAllocations + * + * PARAMETERS: Component - Component(s) to dump info for. + * Module - Module to dump info for. NULL means all. + * + * RETURN: None + * + * DESCRIPTION: Print a list of all outstanding allocations. + * + ******************************************************************************/ + +void +AcpiUtDumpAllocations ( + UINT32 Component, + const char *Module) +{ + ACPI_DEBUG_MEM_BLOCK *Element; + ACPI_DESCRIPTOR *Descriptor; + UINT32 NumOutstanding = 0; + UINT8 DescriptorType; + + + ACPI_FUNCTION_TRACE (UtDumpAllocations); + + + if (AcpiGbl_DisableMemTracking) + { + return_VOID; + } + + /* + * Walk the allocation list. + */ + if (ACPI_FAILURE (AcpiUtAcquireMutex (ACPI_MTX_MEMORY))) + { + return_VOID; + } + + if (!AcpiGbl_GlobalList) + { + goto Exit; + } + + Element = AcpiGbl_GlobalList->ListHead; + while (Element) + { + if ((Element->Component & Component) && + ((Module == NULL) || (0 == strcmp (Module, Element->Module)))) + { + Descriptor = ACPI_CAST_PTR ( + ACPI_DESCRIPTOR, &Element->UserSpace); + + if (Element->Size < sizeof (ACPI_COMMON_DESCRIPTOR)) + { + AcpiOsPrintf ("%p Length 0x%04X %9.9s-%4.4u " + "[Not a Descriptor - too small]\n", + Descriptor, Element->Size, Element->Module, + Element->Line); + } + else + { + /* Ignore allocated objects that are in a cache */ + + if (ACPI_GET_DESCRIPTOR_TYPE (Descriptor) != + ACPI_DESC_TYPE_CACHED) + { + AcpiOsPrintf ("%p Length 0x%04X %9.9s-%4.4u [%s] ", + Descriptor, Element->Size, Element->Module, + Element->Line, AcpiUtGetDescriptorName (Descriptor)); + + /* Optional object hex dump */ + + if (AcpiGbl_VerboseLeakDump) + { + AcpiOsPrintf ("\n"); + AcpiUtDumpBuffer ((UINT8 *) Descriptor, Element->Size, + DB_BYTE_DISPLAY, 0); + } + + /* Validate the descriptor type using Type field and length */ + + DescriptorType = 0; /* Not a valid descriptor type */ + + switch (ACPI_GET_DESCRIPTOR_TYPE (Descriptor)) + { + case ACPI_DESC_TYPE_OPERAND: + + if (Element->Size == sizeof (ACPI_OPERAND_OBJECT)) + { + DescriptorType = ACPI_DESC_TYPE_OPERAND; + } + break; + + case ACPI_DESC_TYPE_PARSER: + + if (Element->Size == sizeof (ACPI_PARSE_OBJECT)) + { + DescriptorType = ACPI_DESC_TYPE_PARSER; + } + break; + + case ACPI_DESC_TYPE_NAMED: + + if (Element->Size == sizeof (ACPI_NAMESPACE_NODE)) + { + DescriptorType = ACPI_DESC_TYPE_NAMED; + } + break; + + default: + + break; + } + + /* Display additional info for the major descriptor types */ + + switch (DescriptorType) + { + case ACPI_DESC_TYPE_OPERAND: + + AcpiOsPrintf ("%12.12s RefCount 0x%04X\n", + AcpiUtGetTypeName (Descriptor->Object.Common.Type), + Descriptor->Object.Common.ReferenceCount); + break; + + case ACPI_DESC_TYPE_PARSER: + + AcpiOsPrintf ("AmlOpcode 0x%04X\n", + Descriptor->Op.Asl.AmlOpcode); + break; + + case ACPI_DESC_TYPE_NAMED: + + AcpiOsPrintf ("%4.4s\n", + AcpiUtGetNodeName (&Descriptor->Node)); + break; + + default: + + AcpiOsPrintf ( "\n"); + break; + } + } + } + + NumOutstanding++; + } + + Element = Element->Next; + } + +Exit: + (void) AcpiUtReleaseMutex (ACPI_MTX_MEMORY); + + /* Print summary */ + + if (!NumOutstanding) + { + ACPI_INFO (("No outstanding allocations")); + } + else + { + ACPI_ERROR ((AE_INFO, "%u (0x%X) Outstanding cache allocations", + NumOutstanding, NumOutstanding)); + } + + return_VOID; +} + +#endif /* ACPI_DBG_TRACK_ALLOCATIONS */ |