FreeBSD/Linux Kernel Cross Reference
sys/contrib/dev/acpica/components/utilities/utdebug.c

     /******************************************************************************
      *
      * Module Name: utdebug - Debug print/trace routines
      *
      *****************************************************************************/
     
     /******************************************************************************
      *
      * 1. Copyright Notice
     *
     * Some or all of this work - Copyright (c) 1999 - 2022, 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.
    *
    *****************************************************************************/
   
   #define EXPORT_ACPI_INTERFACES
   
   #include <contrib/dev/acpica/include/acpi.h>
   #include <contrib/dev/acpica/include/accommon.h>
   #include <contrib/dev/acpica/include/acinterp.h>
   
   #define _COMPONENT          ACPI_UTILITIES
           ACPI_MODULE_NAME    ("utdebug")
   
   
   #ifdef ACPI_DEBUG_OUTPUT
   
   static ACPI_THREAD_ID       AcpiGbl_PreviousThreadId = (ACPI_THREAD_ID) 0xFFFFFFFF;
   static const char           *AcpiGbl_FunctionEntryPrefix = "----Entry";
   static const char           *AcpiGbl_FunctionExitPrefix  = "----Exit-";
   
   
   /*******************************************************************************
    *
    * FUNCTION:    AcpiUtInitStackPtrTrace
    *
    * PARAMETERS:  None
    *
    * RETURN:      None
    *
    * DESCRIPTION: Save the current CPU stack pointer at subsystem startup
    *
    ******************************************************************************/
   
   void
   AcpiUtInitStackPtrTrace (
       void)
   {
       ACPI_SIZE               CurrentSp;
   
   
       AcpiGbl_EntryStackPointer = &CurrentSp;
   }
   
   
   /*******************************************************************************
    *
    * FUNCTION:    AcpiUtTrackStackPtr
    *
    * PARAMETERS:  None
    *
    * RETURN:      None
    *
    * DESCRIPTION: Save the current CPU stack pointer
    *
    ******************************************************************************/
   
   void
   AcpiUtTrackStackPtr (
       void)
   {
       ACPI_SIZE               CurrentSp;
   
   
       if (&CurrentSp < AcpiGbl_LowestStackPointer)
       {
           AcpiGbl_LowestStackPointer = &CurrentSp;
       }
   
       if (AcpiGbl_NestingLevel > AcpiGbl_DeepestNesting)
       {
           AcpiGbl_DeepestNesting = AcpiGbl_NestingLevel;
       }
   }
   
   
   /*******************************************************************************
    *
    * FUNCTION:    AcpiUtTrimFunctionName
    *
    * PARAMETERS:  FunctionName        - Ascii string containing a procedure name
    *
    * RETURN:      Updated pointer to the function name
    *
    * DESCRIPTION: Remove the "Acpi" prefix from the function name, if present.
    *              This allows compiler macros such as __FUNCTION__ to be used
    *              with no change to the debug output.
    *
    ******************************************************************************/
   
   static const char *
   AcpiUtTrimFunctionName (
       const char              *FunctionName)
   {
   
       /* All Function names are longer than 4 chars, check is safe */
   
       if (*(ACPI_CAST_PTR (UINT32, FunctionName)) == ACPI_PREFIX_MIXED)
       {
           /* This is the case where the original source has not been modified */
   
           return (FunctionName + 4);
       }
   
       if (*(ACPI_CAST_PTR (UINT32, FunctionName)) == ACPI_PREFIX_LOWER)
       {
           /* This is the case where the source has been 'linuxized' */
   
           return (FunctionName + 5);
       }
   
       return (FunctionName);
   }
   
   
   /*******************************************************************************
    *
    * FUNCTION:    AcpiDebugPrint
    *
    * PARAMETERS:  RequestedDebugLevel - Requested debug print level
    *              LineNumber          - Caller's line number (for error output)
    *              FunctionName        - Caller's procedure name
    *              ModuleName          - Caller's module name
    *              ComponentId         - Caller's component ID
    *              Format              - Printf format field
    *              ...                 - Optional printf arguments
    *
    * RETURN:      None
    *
    * DESCRIPTION: Print error message with prefix consisting of the module name,
    *              line number, and component ID.
    *
    ******************************************************************************/
   
   void  ACPI_INTERNAL_VAR_XFACE
   AcpiDebugPrint (
       UINT32                  RequestedDebugLevel,
       UINT32                  LineNumber,
       const char              *FunctionName,
       const char              *ModuleName,
       UINT32                  ComponentId,
       const char              *Format,
       ...)
   {
       ACPI_THREAD_ID          ThreadId;
       va_list                 args;
   #ifdef ACPI_APPLICATION
       int                     FillCount;
   #endif
   
       /* Check if debug output enabled */
   
       if (!ACPI_IS_DEBUG_ENABLED (RequestedDebugLevel, ComponentId))
       {
           return;
       }
   
       /*
        * Thread tracking and context switch notification
        */
       ThreadId = AcpiOsGetThreadId ();
       if (ThreadId != AcpiGbl_PreviousThreadId)
       {
           if (ACPI_LV_THREADS & AcpiDbgLevel)
           {
               AcpiOsPrintf (
                   "\n**** Context Switch from TID %u to TID %u ****\n\n",
                   (UINT32) AcpiGbl_PreviousThreadId, (UINT32) ThreadId);
           }
   
           AcpiGbl_PreviousThreadId = ThreadId;
           AcpiGbl_NestingLevel = 0;
       }
   
       /*
        * Display the module name, current line number, thread ID (if requested),
        * current procedure nesting level, and the current procedure name
        */
       AcpiOsPrintf ("%9s-%04d ", ModuleName, LineNumber);
   
   #ifdef ACPI_APPLICATION
       /*
        * For AcpiExec/iASL only, emit the thread ID and nesting level.
        * Note: nesting level is really only useful during a single-thread
        * execution. Otherwise, multiple threads will keep resetting the
        * level.
        */
       if (ACPI_LV_THREADS & AcpiDbgLevel)
       {
           AcpiOsPrintf ("[%u] ", (UINT32) ThreadId);
       }
   
       FillCount = 48 - AcpiGbl_NestingLevel -
           strlen (AcpiUtTrimFunctionName (FunctionName));
       if (FillCount < 0)
       {
           FillCount = 0;
       }
   
       AcpiOsPrintf ("[%02d] %*s",
           AcpiGbl_NestingLevel, AcpiGbl_NestingLevel + 1, " ");
       AcpiOsPrintf ("%s%*s: ",
           AcpiUtTrimFunctionName (FunctionName), FillCount, " ");
   
   #else
       AcpiOsPrintf ("%-22.22s: ", AcpiUtTrimFunctionName (FunctionName));
   #endif
   
       va_start (args, Format);
       AcpiOsVprintf (Format, args);
       va_end (args);
   }
   
   ACPI_EXPORT_SYMBOL (AcpiDebugPrint)
   
   
   /*******************************************************************************
    *
    * FUNCTION:    AcpiDebugPrintRaw
    *
    * PARAMETERS:  RequestedDebugLevel - Requested debug print level
    *              LineNumber          - Caller's line number
    *              FunctionName        - Caller's procedure name
    *              ModuleName          - Caller's module name
    *              ComponentId         - Caller's component ID
    *              Format              - Printf format field
    *              ...                 - Optional printf arguments
    *
    * RETURN:      None
    *
    * DESCRIPTION: Print message with no headers. Has same interface as
    *              DebugPrint so that the same macros can be used.
    *
    ******************************************************************************/
   
   void  ACPI_INTERNAL_VAR_XFACE
   AcpiDebugPrintRaw (
       UINT32                  RequestedDebugLevel,
       UINT32                  LineNumber,
       const char              *FunctionName,
       const char              *ModuleName,
       UINT32                  ComponentId,
       const char              *Format,
       ...)
   {
       va_list                 args;
   
   
       /* Check if debug output enabled */
   
       if (!ACPI_IS_DEBUG_ENABLED (RequestedDebugLevel, ComponentId))
       {
           return;
       }
   
       va_start (args, Format);
       AcpiOsVprintf (Format, args);
       va_end (args);
   }
   
   ACPI_EXPORT_SYMBOL (AcpiDebugPrintRaw)
   
   
   /*******************************************************************************
    *
    * FUNCTION:    AcpiUtTrace
    *
    * PARAMETERS:  LineNumber          - Caller's line number
    *              FunctionName        - Caller's procedure name
    *              ModuleName          - Caller's module name
    *              ComponentId         - Caller's component ID
    *
    * RETURN:      None
    *
    * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
    *              set in DebugLevel
    *
    ******************************************************************************/
   
   void
   AcpiUtTrace (
       UINT32                  LineNumber,
       const char              *FunctionName,
       const char              *ModuleName,
       UINT32                  ComponentId)
   {
   
       AcpiGbl_NestingLevel++;
       AcpiUtTrackStackPtr ();
   
       /* Check if enabled up-front for performance */
   
       if (ACPI_IS_DEBUG_ENABLED (ACPI_LV_FUNCTIONS, ComponentId))
       {
           AcpiDebugPrint (ACPI_LV_FUNCTIONS,
               LineNumber, FunctionName, ModuleName, ComponentId,
               "%s\n", AcpiGbl_FunctionEntryPrefix);
       }
   }
   
   ACPI_EXPORT_SYMBOL (AcpiUtTrace)
   
   
   /*******************************************************************************
    *
    * FUNCTION:    AcpiUtTracePtr
    *
    * PARAMETERS:  LineNumber          - Caller's line number
    *              FunctionName        - Caller's procedure name
    *              ModuleName          - Caller's module name
    *              ComponentId         - Caller's component ID
    *              Pointer             - Pointer to display
    *
    * RETURN:      None
    *
    * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
    *              set in DebugLevel
    *
    ******************************************************************************/
   
   void
   AcpiUtTracePtr (
       UINT32                  LineNumber,
       const char              *FunctionName,
       const char              *ModuleName,
       UINT32                  ComponentId,
       const void              *Pointer)
   {
   
       AcpiGbl_NestingLevel++;
       AcpiUtTrackStackPtr ();
   
       /* Check if enabled up-front for performance */
   
       if (ACPI_IS_DEBUG_ENABLED (ACPI_LV_FUNCTIONS, ComponentId))
       {
           AcpiDebugPrint (ACPI_LV_FUNCTIONS,
               LineNumber, FunctionName, ModuleName, ComponentId,
               "%s %p\n", AcpiGbl_FunctionEntryPrefix, Pointer);
       }
   }
   
   
   /*******************************************************************************
    *
    * FUNCTION:    AcpiUtTraceStr
    *
    * PARAMETERS:  LineNumber          - Caller's line number
    *              FunctionName        - Caller's procedure name
    *              ModuleName          - Caller's module name
    *              ComponentId         - Caller's component ID
    *              String              - Additional string to display
    *
    * RETURN:      None
    *
    * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
    *              set in DebugLevel
    *
    ******************************************************************************/
   
   void
   AcpiUtTraceStr (
       UINT32                  LineNumber,
       const char              *FunctionName,
       const char              *ModuleName,
       UINT32                  ComponentId,
       const char              *String)
   {
   
       AcpiGbl_NestingLevel++;
       AcpiUtTrackStackPtr ();
   
       /* Check if enabled up-front for performance */
   
       if (ACPI_IS_DEBUG_ENABLED (ACPI_LV_FUNCTIONS, ComponentId))
       {
           AcpiDebugPrint (ACPI_LV_FUNCTIONS,
               LineNumber, FunctionName, ModuleName, ComponentId,
               "%s %s\n", AcpiGbl_FunctionEntryPrefix, String);
       }
   }
   
   
   /*******************************************************************************
    *
    * FUNCTION:    AcpiUtTraceU32
    *
    * PARAMETERS:  LineNumber          - Caller's line number
    *              FunctionName        - Caller's procedure name
    *              ModuleName          - Caller's module name
    *              ComponentId         - Caller's component ID
    *              Integer             - Integer to display
    *
    * RETURN:      None
    *
    * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
    *              set in DebugLevel
    *
    ******************************************************************************/
   
   void
   AcpiUtTraceU32 (
       UINT32                  LineNumber,
       const char              *FunctionName,
       const char              *ModuleName,
       UINT32                  ComponentId,
       UINT32                  Integer)
   {
   
       AcpiGbl_NestingLevel++;
       AcpiUtTrackStackPtr ();
   
       /* Check if enabled up-front for performance */
   
       if (ACPI_IS_DEBUG_ENABLED (ACPI_LV_FUNCTIONS, ComponentId))
       {
           AcpiDebugPrint (ACPI_LV_FUNCTIONS,
               LineNumber, FunctionName, ModuleName, ComponentId,
               "%s %08X\n", AcpiGbl_FunctionEntryPrefix, Integer);
       }
   }
   
   
   /*******************************************************************************
    *
    * FUNCTION:    AcpiUtExit
    *
    * PARAMETERS:  LineNumber          - Caller's line number
    *              FunctionName        - Caller's procedure name
    *              ModuleName          - Caller's module name
    *              ComponentId         - Caller's component ID
    *
    * RETURN:      None
    *
    * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
    *              set in DebugLevel
    *
    ******************************************************************************/
   
   void
   AcpiUtExit (
       UINT32                  LineNumber,
       const char              *FunctionName,
       const char              *ModuleName,
       UINT32                  ComponentId)
   {
   
       /* Check if enabled up-front for performance */
   
       if (ACPI_IS_DEBUG_ENABLED (ACPI_LV_FUNCTIONS, ComponentId))
       {
           AcpiDebugPrint (ACPI_LV_FUNCTIONS,
               LineNumber, FunctionName, ModuleName, ComponentId,
               "%s\n", AcpiGbl_FunctionExitPrefix);
       }
   
       if (AcpiGbl_NestingLevel)
       {
           AcpiGbl_NestingLevel--;
       }
   }
   
   ACPI_EXPORT_SYMBOL (AcpiUtExit)
   
   
   /*******************************************************************************
    *
    * FUNCTION:    AcpiUtStatusExit
    *
    * PARAMETERS:  LineNumber          - Caller's line number
    *              FunctionName        - Caller's procedure name
    *              ModuleName          - Caller's module name
    *              ComponentId         - Caller's component ID
    *              Status              - Exit status code
    *
    * RETURN:      None
    *
    * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
    *              set in DebugLevel. Prints exit status also.
    *
    ******************************************************************************/
   
   void
   AcpiUtStatusExit (
       UINT32                  LineNumber,
       const char              *FunctionName,
       const char              *ModuleName,
       UINT32                  ComponentId,
       ACPI_STATUS             Status)
   {
   
       /* Check if enabled up-front for performance */
   
       if (ACPI_IS_DEBUG_ENABLED (ACPI_LV_FUNCTIONS, ComponentId))
       {
           if (ACPI_SUCCESS (Status))
           {
               AcpiDebugPrint (ACPI_LV_FUNCTIONS,
                   LineNumber, FunctionName, ModuleName, ComponentId,
                   "%s %s\n", AcpiGbl_FunctionExitPrefix,
                   AcpiFormatException (Status));
           }
           else
           {
               AcpiDebugPrint (ACPI_LV_FUNCTIONS,
                   LineNumber, FunctionName, ModuleName, ComponentId,
                   "%s ****Exception****: %s\n", AcpiGbl_FunctionExitPrefix,
                   AcpiFormatException (Status));
           }
       }
   
       if (AcpiGbl_NestingLevel)
       {
           AcpiGbl_NestingLevel--;
       }
   }
   
   ACPI_EXPORT_SYMBOL (AcpiUtStatusExit)
   
   
   /*******************************************************************************
    *
    * FUNCTION:    AcpiUtValueExit
    *
    * PARAMETERS:  LineNumber          - Caller's line number
    *              FunctionName        - Caller's procedure name
    *              ModuleName          - Caller's module name
    *              ComponentId         - Caller's component ID
    *              Value               - Value to be printed with exit msg
    *
    * RETURN:      None
    *
    * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
    *              set in DebugLevel. Prints exit value also.
    *
    ******************************************************************************/
   
   void
   AcpiUtValueExit (
       UINT32                  LineNumber,
       const char              *FunctionName,
       const char              *ModuleName,
       UINT32                  ComponentId,
       UINT64                  Value)
   {
   
       /* Check if enabled up-front for performance */
   
       if (ACPI_IS_DEBUG_ENABLED (ACPI_LV_FUNCTIONS, ComponentId))
       {
           AcpiDebugPrint (ACPI_LV_FUNCTIONS,
               LineNumber, FunctionName, ModuleName, ComponentId,
               "%s %8.8X%8.8X\n", AcpiGbl_FunctionExitPrefix,
               ACPI_FORMAT_UINT64 (Value));
       }
   
       if (AcpiGbl_NestingLevel)
       {
           AcpiGbl_NestingLevel--;
       }
   }
   
   ACPI_EXPORT_SYMBOL (AcpiUtValueExit)
   
   
   /*******************************************************************************
    *
    * FUNCTION:    AcpiUtPtrExit
    *
    * PARAMETERS:  LineNumber          - Caller's line number
    *              FunctionName        - Caller's procedure name
    *              ModuleName          - Caller's module name
    *              ComponentId         - Caller's component ID
    *              Ptr                 - Pointer to display
    *
    * RETURN:      None
    *
    * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
    *              set in DebugLevel. Prints exit value also.
    *
    ******************************************************************************/
   
   void
   AcpiUtPtrExit (
       UINT32                  LineNumber,
       const char              *FunctionName,
       const char              *ModuleName,
       UINT32                  ComponentId,
       UINT8                   *Ptr)
   {
   
       /* Check if enabled up-front for performance */
   
       if (ACPI_IS_DEBUG_ENABLED (ACPI_LV_FUNCTIONS, ComponentId))
       {
           AcpiDebugPrint (ACPI_LV_FUNCTIONS,
               LineNumber, FunctionName, ModuleName, ComponentId,
               "%s %p\n", AcpiGbl_FunctionExitPrefix, Ptr);
       }
   
       if (AcpiGbl_NestingLevel)
       {
           AcpiGbl_NestingLevel--;
       }
   }
   
   
   /*******************************************************************************
    *
    * FUNCTION:    AcpiUtStrExit
    *
    * PARAMETERS:  LineNumber          - Caller's line number
    *              FunctionName        - Caller's procedure name
    *              ModuleName          - Caller's module name
    *              ComponentId         - Caller's component ID
    *              String              - String to display
    *
    * RETURN:      None
    *
    * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
    *              set in DebugLevel. Prints exit value also.
    *
    ******************************************************************************/
   
   void
   AcpiUtStrExit (
       UINT32                  LineNumber,
       const char              *FunctionName,
       const char              *ModuleName,
       UINT32                  ComponentId,
       const char              *String)
   {
   
       /* Check if enabled up-front for performance */
   
       if (ACPI_IS_DEBUG_ENABLED (ACPI_LV_FUNCTIONS, ComponentId))
       {
           AcpiDebugPrint (ACPI_LV_FUNCTIONS,
               LineNumber, FunctionName, ModuleName, ComponentId,
               "%s %s\n", AcpiGbl_FunctionExitPrefix, String);
       }
   
       if (AcpiGbl_NestingLevel)
       {
           AcpiGbl_NestingLevel--;
       }
   }
   
   
   /*******************************************************************************
    *
    * FUNCTION:    AcpiTracePoint
    *
    * PARAMETERS:  Type                - Trace event type
    *              Begin               - TRUE if before execution
    *              Aml                 - Executed AML address
    *              Pathname            - Object path
    *              Pointer             - Pointer to the related object
    *
    * RETURN:      None
    *
    * DESCRIPTION: Interpreter execution trace.
    *
    ******************************************************************************/
   
   void
   AcpiTracePoint (
       ACPI_TRACE_EVENT_TYPE   Type,
       BOOLEAN                 Begin,
       UINT8                   *Aml,
       char                    *Pathname)
   {
   
       ACPI_FUNCTION_ENTRY ();
   
       AcpiExTracePoint (Type, Begin, Aml, Pathname);
   
   #ifdef ACPI_USE_SYSTEM_TRACER
       AcpiOsTracePoint (Type, Begin, Aml, Pathname);
   #endif
   }
   
   ACPI_EXPORT_SYMBOL (AcpiTracePoint)
   
   
   #endif

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