/
aslcompiler.h
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/
aslcompiler.h
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/******************************************************************************
*
* Module Name: aslcompiler.h - common include file for iASL
*
*****************************************************************************/
/******************************************************************************
*
* 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.
*
*****************************************************************************/
#ifndef __ASLCOMPILER_H
#define __ASLCOMPILER_H
#include "acpi.h"
#include "accommon.h"
#include "amlresrc.h"
#include "acdebug.h"
/* Microsoft-specific */
#if (defined WIN32 || defined WIN64)
/* warn : used #pragma pack */
#pragma warning(disable:4103)
/* warn : named type definition in parentheses */
#pragma warning(disable:4115)
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <ctype.h>
/* Compiler headers */
#include "asldefine.h"
#include "asltypes.h"
#include "aslmessages.h"
#include "aslglobal.h"
#include "preprocess.h"
#include "dtcompiler.h"
/*******************************************************************************
*
* Compiler prototypes
*
******************************************************************************/
/*
* Main ASL parser - generated from flex/bison, lex/yacc, etc.
*/
ACPI_PARSE_OBJECT *
AslDoError (
void);
int
AslCompilerlex(
void);
void
AslResetCurrentLineBuffer (
void);
void
AslInsertLineBuffer (
int SourceChar);
int
AslPopInputFileStack (
void);
void
AslPushInputFileStack (
FILE *InputFile,
char *Filename);
void
AslParserCleanup (
void);
/*
* aslstartup - entered from main()
*/
void
AslInitializeGlobals (
void);
typedef
ACPI_STATUS (*ASL_PATHNAME_CALLBACK) (
char *);
ACPI_STATUS
AslDoOneFile (
char *Filename);
ACPI_STATUS
AslCheckForErrorExit (
void);
/*
* aslcompile - compile mainline
*/
void
AslCompilerSignon (
UINT32 FileId);
void
AslCompilerFileHeader (
UINT32 FileId);
ACPI_STATUS
CmDoCompile (
void);
int
CmDoAslMiddleAndBackEnd (
void);
void
CmDoOutputFiles (
void);
int
CmCleanupAndExit (
void);
ACPI_STATUS
AslDoDisassembly (
void);
/*
* aslallocate - memory allocation
*/
void *
UtLocalCalloc (
UINT32 Size);
void
UtExpandLineBuffers (
void);
void
UtReallocLineBuffers (
char **Buffer,
UINT32 OldSize,
UINT32 NewSize);
void
UtFreeLineBuffers (
void);
/*
* aslcache - local cache support
*/
char *
UtLocalCacheCalloc (
UINT32 Length);
ACPI_PARSE_OBJECT *
UtParseOpCacheCalloc (
void);
DT_SUBTABLE *
UtSubtableCacheCalloc (
void);
DT_FIELD *
UtFieldCacheCalloc (
void);
void
UtDeleteLocalCaches (
void);
/*
* aslascii - ascii support
*/
ACPI_STATUS
FlIsFileAsciiSource (
char *Filename,
BOOLEAN DisplayErrors);
/*
* aslwalks - semantic analysis and parse tree walks
*/
ACPI_STATUS
AnOtherSemanticAnalysisWalkBegin (
ACPI_PARSE_OBJECT *Op,
UINT32 Level,
void *Context);
ACPI_STATUS
AnOtherSemanticAnalysisWalkEnd (
ACPI_PARSE_OBJECT *Op,
UINT32 Level,
void *Context);
ACPI_STATUS
AnOperandTypecheckWalkEnd (
ACPI_PARSE_OBJECT *Op,
UINT32 Level,
void *Context);
ACPI_STATUS
AnMethodTypingWalkEnd (
ACPI_PARSE_OBJECT *Op,
UINT32 Level,
void *Context);
/*
* aslmethod - Control method analysis walk
*/
ACPI_STATUS
MtMethodAnalysisWalkBegin (
ACPI_PARSE_OBJECT *Op,
UINT32 Level,
void *Context);
ACPI_STATUS
MtMethodAnalysisWalkEnd (
ACPI_PARSE_OBJECT *Op,
UINT32 Level,
void *Context);
/*
* aslbtypes - bitfield data types
*/
UINT32
AnMapObjTypeToBtype (
ACPI_PARSE_OBJECT *Op);
UINT32
AnMapArgTypeToBtype (
UINT32 ArgType);
UINT32
AnGetBtype (
ACPI_PARSE_OBJECT *Op);
void
AnFormatBtype (
char *Buffer,
UINT32 Btype);
/*
* aslanalyze - Support functions for parse tree walks
*/
void
AnCheckId (
ACPI_PARSE_OBJECT *Op,
ACPI_NAME Type);
/* Values for Type argument above */
#define ASL_TYPE_HID 0
#define ASL_TYPE_CID 1
BOOLEAN
AnIsInternalMethod (
ACPI_PARSE_OBJECT *Op);
UINT32
AnGetInternalMethodReturnType (
ACPI_PARSE_OBJECT *Op);
BOOLEAN
AnLastStatementIsReturn (
ACPI_PARSE_OBJECT *Op);
void
AnCheckMethodReturnValue (
ACPI_PARSE_OBJECT *Op,
const ACPI_OPCODE_INFO *OpInfo,
ACPI_PARSE_OBJECT *ArgOp,
UINT32 RequiredBtypes,
UINT32 ThisNodeBtype);
BOOLEAN
AnIsResultUsed (
ACPI_PARSE_OBJECT *Op);
void
ApCheckForGpeNameConflict (
ACPI_PARSE_OBJECT *Op);
void
ApCheckRegMethod (
ACPI_PARSE_OBJECT *Op);
BOOLEAN
ApFindNameInScope (
char *Name,
ACPI_PARSE_OBJECT *Op);
BOOLEAN
ApFindNameInDeviceTree (
char *Name,
ACPI_PARSE_OBJECT *Op);
/*
* aslerror - error handling/reporting
*/
void
AslAbort (
void);
void
AslDualParseOpError (
UINT8 Level,
UINT16 MainMessageId,
ACPI_PARSE_OBJECT *MainOp,
char *MainMessage,
UINT16 SecondMessageId,
ACPI_PARSE_OBJECT *SecondOp,
char *SecondaryMessage);
void
AslError (
UINT8 Level,
UINT16 MessageId,
ACPI_PARSE_OBJECT *Op,
char *ExtraMessage);
void
AslCheckExpectedExceptions (
void);
ACPI_STATUS
AslExpectException (
char *MessageIdString);
ACPI_STATUS
AslElevateException (
char *MessageIdString);
ACPI_STATUS
AslDisableException (
char *MessageIdString);
BOOLEAN
AslIsExceptionIgnored (
UINT8 Level,
UINT16 MessageId);
void
AslCoreSubsystemError (
ACPI_PARSE_OBJECT *Op,
ACPI_STATUS Status,
char *ExtraMessage,
BOOLEAN Abort);
int
AslCompilererror(
const char *s);
void
AslCommonError (
UINT8 Level,
UINT16 MessageId,
UINT32 CurrentLineNumber,
UINT32 LogicalLineNumber,
UINT32 LogicalByteOffset,
UINT32 Column,
char *Filename,
char *ExtraMessage);
void
AslCommonError2 (
UINT8 Level,
UINT16 MessageId,
UINT32 LineNumber,
UINT32 Column,
char *SourceLine,
char *Filename,
char *ExtraMessage);
void
AePrintException (
UINT32 FileId,
ASL_ERROR_MSG *Enode,
char *Header);
void
AePrintErrorLog (
UINT32 FileId);
void
AeClearErrorLog (
void);
/*
* asllisting - generate all "listing" type files
*/
void
LsDoListings (
void);
void
LsWriteNodeToAsmListing (
ACPI_PARSE_OBJECT *Op);
void
LsWriteNode (
ACPI_PARSE_OBJECT *Op,
UINT32 FileId);
void
LsDumpParseTree (
void);
/*
* asllistsup - Listing file support utilities
*/
void
LsDumpAscii (
UINT32 FileId,
UINT32 Count,
UINT8 *Buffer);
void
LsDumpAsciiInComment (
UINT32 FileId,
UINT32 Count,
UINT8 *Buffer);
void
LsCheckException (
UINT32 LineNumber,
UINT32 FileId);
void
LsFlushListingBuffer (
UINT32 FileId);
void
LsWriteListingHexBytes (
UINT8 *Buffer,
UINT32 Length,
UINT32 FileId);
void
LsWriteSourceLines (
UINT32 ToLineNumber,
UINT32 ToLogicalLineNumber,
UINT32 FileId);
UINT32
LsWriteOneSourceLine (
UINT32 FileId);
void
LsPushNode (
char *Filename);
ASL_LISTING_NODE *
LsPopNode (
void);
/*
* aslhex - generate all "hex" output files (C, ASM, ASL)
*/
void
HxDoHexOutput (
void);
/*
* aslfold - constant folding
*/
ACPI_STATUS
OpcAmlConstantWalk (
ACPI_PARSE_OBJECT *Op,
UINT32 Level,
void *Context);
/*
* aslmessages - exception strings
*/
const char *
AeDecodeMessageId (
UINT16 MessageId);
const char *
AeDecodeExceptionLevel (
UINT8 Level);
UINT16
AeBuildFullExceptionCode (
UINT8 Level,
UINT16 MessageId);
/*
* asloffset - generate C offset file for BIOS support
*/
ACPI_STATUS
LsAmlOffsetWalk (
ACPI_PARSE_OBJECT *Op,
UINT32 Level,
void *Context);
void
LsDoOffsetTableHeader (
UINT32 FileId);
void
LsDoOffsetTableFooter (
UINT32 FileId);
/*
* aslopcodes - generate AML opcodes
*/
ACPI_STATUS
OpcAmlOpcodeWalk (
ACPI_PARSE_OBJECT *Op,
UINT32 Level,
void *Context);
ACPI_STATUS
OpcAmlOpcodeUpdateWalk (
ACPI_PARSE_OBJECT *Op,
UINT32 Level,
void *Context);
void
OpcGenerateAmlOpcode (
ACPI_PARSE_OBJECT *Op);
UINT32
OpcSetOptimalIntegerSize (
ACPI_PARSE_OBJECT *Op);
void
OpcGetIntegerWidth (
ACPI_PARSE_OBJECT *Op);
/*
* asloperands - generate AML operands for the AML opcodes
*/
ACPI_PARSE_OBJECT *
UtGetArg (
ACPI_PARSE_OBJECT *Op,
UINT32 Argn);
void
OpnGenerateAmlOperands (
ACPI_PARSE_OBJECT *Op);
void
OpnDoPackage (
ACPI_PARSE_OBJECT *Op);
/*
* aslopt - optimization
*/
void
OptOptimizeNamePath (
ACPI_PARSE_OBJECT *Op,
UINT32 Flags,
ACPI_WALK_STATE *WalkState,
char *AmlNameString,
ACPI_NAMESPACE_NODE *TargetNode);
/*
* aslpld - ToPLD macro support
*/
void
OpcDoPld (
ACPI_PARSE_OBJECT *Op);
/*
* aslprintf - Printf/Fprintf macros
*/
void
OpcDoPrintf (
ACPI_PARSE_OBJECT *Op);
void
OpcDoFprintf (
ACPI_PARSE_OBJECT *Op);
/*
* aslprune - parse tree pruner
*/
void
AslPruneParseTree (
UINT32 PruneDepth,
UINT32 Type);
/*
* aslcodegen - code generation
*/
void
CgGenerateAmlOutput (
void);
void
CgLocalWriteAmlData (
ACPI_PARSE_OBJECT *Op,
void *Buffer,
UINT32 Length);
/*
* aslfile
*/
void
FlOpenFile (
UINT32 FileId,
char *Filename,
char *Mode);
/*
* asllength - calculate/adjust AML package lengths
*/
ACPI_STATUS
LnPackageLengthWalk (
ACPI_PARSE_OBJECT *Op,
UINT32 Level,
void *Context);
ACPI_STATUS
LnInitLengthsWalk (
ACPI_PARSE_OBJECT *Op,
UINT32 Level,
void *Context);
void
CgGenerateAmlLengths (
ACPI_PARSE_OBJECT *Op);
/*
* aslmap - opcode mappings and reserved method names
*/
ACPI_OBJECT_TYPE
AslMapNamedOpcodeToDataType (
UINT16 Opcode);
/*
* aslpredef - ACPI predefined names support
*/
BOOLEAN
ApCheckForPredefinedMethod (
ACPI_PARSE_OBJECT *Op,
ASL_METHOD_INFO *MethodInfo);
void
ApCheckPredefinedReturnValue (
ACPI_PARSE_OBJECT *Op,
ASL_METHOD_INFO *MethodInfo);
UINT32
ApCheckForPredefinedName (
ACPI_PARSE_OBJECT *Op,
char *Name);
void
ApCheckForPredefinedObject (
ACPI_PARSE_OBJECT *Op,
char *Name);
ACPI_STATUS
ApCheckObjectType (
const char *PredefinedName,
ACPI_PARSE_OBJECT *Op,
UINT32 ExpectedBtypes,
UINT32 PackageIndex);
void
ApDisplayReservedNames (
void);
/*
* aslprepkg - ACPI predefined names support for packages
*/
void
ApCheckPackage (
ACPI_PARSE_OBJECT *ParentOp,
const ACPI_PREDEFINED_INFO *Predefined);
/*
* asltransform - parse tree transformations
*/
ACPI_STATUS
TrAmlTransformWalkBegin (
ACPI_PARSE_OBJECT *Op,
UINT32 Level,
void *Context);
ACPI_STATUS
TrAmlTransformWalkEnd (
ACPI_PARSE_OBJECT *Op,
UINT32 Level,
void *Context);
/*
* aslexternal - External opcode support
*/
ACPI_STATUS
ExAmlExternalWalkBegin (
ACPI_PARSE_OBJECT *Op,
UINT32 Level,
void *Context);
ACPI_STATUS
ExAmlExternalWalkEnd (
ACPI_PARSE_OBJECT *Op,
UINT32 Level,
void *Context);
void
ExDoExternal (
ACPI_PARSE_OBJECT *Op);
/* Values for "Visitation" parameter above */
#define ASL_WALK_VISIT_DOWNWARD 0x01
#define ASL_WALK_VISIT_UPWARD 0x02
#define ASL_WALK_VISIT_DB_SEPARATELY 0x04
#define ASL_WALK_VISIT_TWICE (ASL_WALK_VISIT_DOWNWARD | ASL_WALK_VISIT_UPWARD)
/*
* aslparseop.c - Parse op create/allocate/cache
*/
ACPI_PARSE_OBJECT *
TrCreateOp (
UINT32 ParseOpcode,
UINT32 NumChildren,
...);
ACPI_PARSE_OBJECT *
TrCreateLeafOp (
UINT32 ParseOpcode);
ACPI_PARSE_OBJECT *
TrCreateNullTargetOp (
void);
ACPI_PARSE_OBJECT *
TrCreateAssignmentOp (
ACPI_PARSE_OBJECT *Target,
ACPI_PARSE_OBJECT *Source);
ACPI_PARSE_OBJECT *
TrCreateTargetOp (
ACPI_PARSE_OBJECT *OriginalOp,
ACPI_PARSE_OBJECT *ParentOp);
ACPI_PARSE_OBJECT *
TrCreateValuedLeafOp (
UINT32 ParseOpcode,
UINT64 Value);
ACPI_PARSE_OBJECT *
TrCreateConstantLeafOp (
UINT32 ParseOpcode);
ACPI_PARSE_OBJECT *
TrAllocateOp (
UINT32 ParseOpcode);
void
TrPrintOpFlags (
UINT32 Flags,
UINT32 OutputLevel);
/*
* asltree.c - Parse tree management
*/
void
TrSetOpParent (
ACPI_PARSE_OBJECT *Op,
ACPI_PARSE_OBJECT *ParentOp);
ACPI_PARSE_OBJECT *
TrSetOpIntegerValue (
UINT32 ParseOpcode,
ACPI_PARSE_OBJECT *Op);
void
TrSetOpEndLineNumber (
ACPI_PARSE_OBJECT *Op);
void
TrSetOpCurrentFilename (
ACPI_PARSE_OBJECT *Op);
void
TrSetOpIntegerWidth (
ACPI_PARSE_OBJECT *TableSignature,
ACPI_PARSE_OBJECT *Revision);
ACPI_PARSE_OBJECT *
TrLinkOpChildren (
ACPI_PARSE_OBJECT *Op,
UINT32 NumChildren,
...);
ACPI_PARSE_OBJECT *
TrLinkPeerOp (
ACPI_PARSE_OBJECT *Op1,
ACPI_PARSE_OBJECT *Op2);
ACPI_PARSE_OBJECT *
TrLinkChildOp (
ACPI_PARSE_OBJECT *Op1,
ACPI_PARSE_OBJECT *Op2);
ACPI_PARSE_OBJECT *
TrSetOpFlags (
ACPI_PARSE_OBJECT *Op,
UINT32 Flags);
ACPI_PARSE_OBJECT *
TrSetOpAmlLength (
ACPI_PARSE_OBJECT *Op,
UINT32 Length);
ACPI_PARSE_OBJECT *
TrLinkPeerOps (
UINT32 NumPeers,
...);
ACPI_STATUS
TrWalkParseTree (
ACPI_PARSE_OBJECT *Op,
UINT32 Visitation,
ASL_WALK_CALLBACK DescendingCallback,
ASL_WALK_CALLBACK AscendingCallback,