/****************************************************************************** * * Module Name: aslparseop - Parse op create/allocate/cache interfaces * *****************************************************************************/ /****************************************************************************** * * 1. Copyright Notice * * Some or all of this work - Copyright (c) 1999 - 2018, 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. * *****************************************************************************/ #include "aslcompiler.h" #include "aslcompiler.y.h" #include "acapps.h" #include "acconvert.h" #define _COMPONENT ACPI_COMPILER ACPI_MODULE_NAME ("aslparseop") /******************************************************************************* * * FUNCTION: TrCreateOp * * PARAMETERS: ParseOpcode - Opcode to be assigned to the op * NumChildren - Number of children to follow * ... - A list of child ops to link to the new * op. NumChildren long. * * RETURN: Pointer to the new op. Aborts on allocation failure * * DESCRIPTION: Create a new parse op and link together a list of child * ops underneath the new op. * ******************************************************************************/ ACPI_PARSE_OBJECT * TrCreateOp ( UINT32 ParseOpcode, UINT32 NumChildren, ...) { ACPI_PARSE_OBJECT *Op; ACPI_PARSE_OBJECT *Child; ACPI_PARSE_OBJECT *PrevChild; va_list ap; UINT32 i; BOOLEAN FirstChild; va_start (ap, NumChildren); /* Allocate one new op */ Op = TrAllocateOp (ParseOpcode); DbgPrint (ASL_PARSE_OUTPUT, "\nCreateOp Ln/Col %u/%u NewParent %p Child %u Op %s ", Op->Asl.LineNumber, Op->Asl.Column, Op, NumChildren, UtGetOpName(ParseOpcode)); /* Some extra debug output based on the parse opcode */ switch (ParseOpcode) { case PARSEOP_ASL_CODE: Gbl_ParseTreeRoot = Op; Op->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG; DbgPrint (ASL_PARSE_OUTPUT, "ASLCODE (Tree Completed)->"); break; case PARSEOP_DEFINITION_BLOCK: DbgPrint (ASL_PARSE_OUTPUT, "DEFINITION_BLOCK (Tree Completed)->"); break; case PARSEOP_OPERATIONREGION: DbgPrint (ASL_PARSE_OUTPUT, "OPREGION->"); break; case PARSEOP_OR: DbgPrint (ASL_PARSE_OUTPUT, "OR->"); break; default: /* Nothing to do for other opcodes */ break; } /* Link the new op to its children */ PrevChild = NULL; FirstChild = TRUE; for (i = 0; i < NumChildren; i++) { /* Get the next child */ Child = va_arg (ap, ACPI_PARSE_OBJECT *); DbgPrint (ASL_PARSE_OUTPUT, "%p, ", Child); /* * If child is NULL, this means that an optional argument * was omitted. We must create a placeholder with a special * opcode (DEFAULT_ARG) so that the code generator will know * that it must emit the correct default for this argument */ if (!Child) { Child = TrAllocateOp (PARSEOP_DEFAULT_ARG); } /* Link first child to parent */ if (FirstChild) { FirstChild = FALSE; Op->Asl.Child = Child; /* * For the ASL-/ASL+ converter: if the ParseOp is a Connection, * External, Offset or AccessAs, it means that the comments in the * FirstChild belongs to their parent due to the parsing order in * the .y files. To correct this, take the comments in the * FirstChild place it in the parent. This also means that * legitimate comments for the child gets put to the parent. */ if (AcpiGbl_CaptureComments && ((ParseOpcode == PARSEOP_CONNECTION) || (ParseOpcode == PARSEOP_EXTERNAL) || (ParseOpcode == PARSEOP_OFFSET) || (ParseOpcode == PARSEOP_ACCESSAS))) { Op->Asl.CommentList = Child->Asl.CommentList; Op->Asl.EndBlkComment = Child->Asl.EndBlkComment; Op->Asl.InlineComment = Child->Asl.InlineComment; Op->Asl.FileChanged = Child->Asl.FileChanged; Child->Asl.CommentList = NULL; Child->Asl.EndBlkComment = NULL; Child->Asl.InlineComment = NULL; Child->Asl.FileChanged = FALSE; /* * These do not need to be "passed off". They can be copied * because the code for these opcodes should be printed in the * same file. */ Op->Asl.Filename = Child->Asl.Filename; Op->Asl.ParentFilename = Child->Asl.ParentFilename; } } /* Point all children to parent */ Child->Asl.Parent = Op; /* Link children in a peer list */ if (PrevChild) { PrevChild->Asl.Next = Child; }; /* Get the comment from last child in the resource template call */ if (AcpiGbl_CaptureComments && (Op->Asl.ParseOpcode == PARSEOP_RESOURCETEMPLATE)) { CvDbgPrint ("Transferred current comment list to this op.\n"); Op->Asl.CommentList = Child->Asl.CommentList; Child->Asl.CommentList = NULL; Op->Asl.InlineComment = Child->Asl.InlineComment; Child->Asl.InlineComment = NULL; } /* * This child might be a list, point all ops in the list * to the same parent */ while (Child->Asl.Next) { Child = Child->Asl.Next; Child->Asl.Parent = Op; } PrevChild = Child; } va_end(ap); DbgPrint (ASL_PARSE_OUTPUT, "\n"); return (Op); } /******************************************************************************* * * FUNCTION: TrCreateLeafOp * * PARAMETERS: ParseOpcode - New opcode to be assigned to the op * * RETURN: Pointer to the new op. Aborts on allocation failure * * DESCRIPTION: Create a simple leaf op (no children or peers, and no value * assigned to the op) * ******************************************************************************/ ACPI_PARSE_OBJECT * TrCreateLeafOp ( UINT32 ParseOpcode) { ACPI_PARSE_OBJECT *Op; Op = TrAllocateOp (ParseOpcode); DbgPrint (ASL_PARSE_OUTPUT, "\nCreateLeafOp Ln/Col %u/%u NewOp %p Op %s\n\n", Op->Asl.LineNumber, Op->Asl.Column, Op, UtGetOpName (ParseOpcode)); return (Op); } /******************************************************************************* * * FUNCTION: TrCreateValuedLeafOp * * PARAMETERS: ParseOpcode - New opcode to be assigned to the op * Value - Value to be assigned to the op * * RETURN: Pointer to the new op. Aborts on allocation failure * * DESCRIPTION: Create a leaf op (no children or peers) with a value * assigned to it * ******************************************************************************/ ACPI_PARSE_OBJECT * TrCreateValuedLeafOp ( UINT32 ParseOpcode, UINT64 Value) { ACPI_PARSE_OBJECT *Op; Op = TrAllocateOp (ParseOpcode); Op->Asl.Value.Integer = Value; DbgPrint (ASL_PARSE_OUTPUT, "\nCreateValuedLeafOp Ln/Col %u/%u NewOp %p " "Op %s Value %8.8X%8.8X ", Op->Asl.LineNumber, Op->Asl.Column, Op, UtGetOpName(ParseOpcode), ACPI_FORMAT_UINT64 (Value)); switch (ParseOpcode) { case PARSEOP_STRING_LITERAL: DbgPrint (ASL_PARSE_OUTPUT, "STRING->%s", Value); break; case PARSEOP_NAMESEG: DbgPrint (ASL_PARSE_OUTPUT, "NAMESEG->%s", Value); break; case PARSEOP_NAMESTRING: DbgPrint (ASL_PARSE_OUTPUT, "NAMESTRING->%s", Value); break; case PARSEOP_EISAID: DbgPrint (ASL_PARSE_OUTPUT, "EISAID->%s", Value); break; case PARSEOP_METHOD: DbgPrint (ASL_PARSE_OUTPUT, "METHOD"); break; case PARSEOP_INTEGER: DbgPrint (ASL_PARSE_OUTPUT, "INTEGER->%8.8X%8.8X", ACPI_FORMAT_UINT64 (Value)); break; default: break; } DbgPrint (ASL_PARSE_OUTPUT, "\n\n"); return (Op); } /******************************************************************************* * * FUNCTION: TrCreateTargetOp * * PARAMETERS: OriginalOp - Op to be copied * * RETURN: Pointer to the new op. Aborts on allocation failure * * DESCRIPTION: Copy an existing op (and subtree). Used in ASL+ (C-style) * expressions where the target is the same as one of the * operands. A new op and subtree must be created from the * original so that the parse tree can be linked properly. * * NOTE: This code is specific to target operands that are the last * operand in an ASL/AML operator. Meaning that the top-level * parse Op in a possible subtree has a NULL Next pointer. * This simplifies the recursion. * * Subtree example: * DeRefOf (Local1) += 32 * * This gets converted to: * Add (DeRefOf (Local1), 32, DeRefOf (Local1)) * * Each DeRefOf has a single child, Local1. Even more complex * subtrees can be created via the Index and DeRefOf operators. * ******************************************************************************/ ACPI_PARSE_OBJECT * TrCreateTargetOp ( ACPI_PARSE_OBJECT *OriginalOp, ACPI_PARSE_OBJECT *ParentOp) { ACPI_PARSE_OBJECT *Op; if (!OriginalOp) { return (NULL); } Op = UtParseOpCacheCalloc (); /* Copy the pertinent values (omit link pointer fields) */ Op->Asl.Value = OriginalOp->Asl.Value; Op->Asl.Filename = OriginalOp->Asl.Filename; Op->Asl.LineNumber = OriginalOp->Asl.LineNumber; Op->Asl.LogicalLineNumber = OriginalOp->Asl.LogicalLineNumber; Op->Asl.LogicalByteOffset = OriginalOp->Asl.LogicalByteOffset; Op->Asl.Column = OriginalOp->Asl.Column; Op->Asl.Flags = OriginalOp->Asl.Flags; Op->Asl.CompileFlags = OriginalOp->Asl.CompileFlags; Op->Asl.AmlOpcode = OriginalOp->Asl.AmlOpcode; Op->Asl.ParseOpcode = OriginalOp->Asl.ParseOpcode; Op->Asl.Parent = ParentOp; UtSetParseOpName (Op); /* Copy a possible subtree below this op */ if (OriginalOp->Asl.Child) { Op->Asl.Child = TrCreateTargetOp (OriginalOp->Asl.Child, Op); } if (OriginalOp->Asl.Next) /* Null for top-level op */ { Op->Asl.Next = TrCreateTargetOp (OriginalOp->Asl.Next, ParentOp); } return (Op); } /******************************************************************************* * * FUNCTION: TrCreateAssignmentOp * * PARAMETERS: Target - Assignment target * Source - Assignment source * * RETURN: Pointer to the new op. Aborts on allocation failure * * DESCRIPTION: Implements the C-style '=' operator. It changes the parse * tree if possible to utilize the last argument of the math * operators which is a target operand -- thus saving invocation * of and additional Store() operator. An optimization. * ******************************************************************************/ ACPI_PARSE_OBJECT * TrCreateAssignmentOp ( ACPI_PARSE_OBJECT *Target, ACPI_PARSE_OBJECT *Source) { ACPI_PARSE_OBJECT *TargetOp; ACPI_PARSE_OBJECT *SourceOp1; ACPI_PARSE_OBJECT *SourceOp2; ACPI_PARSE_OBJECT *Operator; DbgPrint (ASL_PARSE_OUTPUT, "\nTrCreateAssignmentOp Line [%u to %u] Source %s Target %s\n", Source->Asl.LineNumber, Source->Asl.EndLine, UtGetOpName (Source->Asl.ParseOpcode), UtGetOpName (Target->Asl.ParseOpcode)); TrSetOpFlags (Target, OP_IS_TARGET); switch (Source->Asl.ParseOpcode) { /* * Only these operators can be optimized because they have * a target operand */ case PARSEOP_ADD: case PARSEOP_AND: case PARSEOP_DIVIDE: case PARSEOP_INDEX: case PARSEOP_MOD: case PARSEOP_MULTIPLY: case PARSEOP_NOT: case PARSEOP_OR: case PARSEOP_SHIFTLEFT: case PARSEOP_SHIFTRIGHT: case PARSEOP_SUBTRACT: case PARSEOP_XOR: break; /* Otherwise, just create a normal Store operator */ default: goto CannotOptimize; } /* * Transform the parse tree such that the target is moved to the * last operand of the operator */ SourceOp1 = Source->Asl.Child; SourceOp2 = SourceOp1->Asl.Next; /* NOT only has one operand, but has a target */ if (Source->Asl.ParseOpcode == PARSEOP_NOT) { SourceOp2 = SourceOp1; } /* DIVIDE has an extra target operand (remainder) */ if (Source->Asl.ParseOpcode == PARSEOP_DIVIDE) { SourceOp2 = SourceOp2->Asl.Next; } TargetOp = SourceOp2->Asl.Next; /* * Can't perform this optimization if there already is a target * for the operator (ZERO is a "no target" placeholder). */ if (TargetOp->Asl.ParseOpcode != PARSEOP_ZERO) { goto CannotOptimize; } /* Link in the target as the final operand */ SourceOp2->Asl.Next = Target; Target->Asl.Parent = Source; return (Source); CannotOptimize: Operator = TrAllocateOp (PARSEOP_STORE); TrLinkOpChildren (Operator, 2, Source, Target); /* Set the appropriate line numbers for the new op */ Operator->Asl.LineNumber = Target->Asl.LineNumber; Operator->Asl.LogicalLineNumber = Target->Asl.LogicalLineNumber; Operator->Asl.LogicalByteOffset = Target->Asl.LogicalByteOffset; Operator->Asl.Column = Target->Asl.Column; return (Operator); } /******************************************************************************* * * FUNCTION: TrCreateNullTargetOp * * PARAMETERS: None * * RETURN: Pointer to the new op. Aborts on allocation failure * * DESCRIPTION: Create a "null" target op. This is defined by the ACPI * specification to be a zero AML opcode, and indicates that * no target has been specified for the parent operation * ******************************************************************************/ ACPI_PARSE_OBJECT * TrCreateNullTargetOp ( void) { ACPI_PARSE_OBJECT *Op; Op = TrAllocateOp (PARSEOP_ZERO); Op->Asl.CompileFlags |= (OP_IS_TARGET | OP_COMPILE_TIME_CONST); DbgPrint (ASL_PARSE_OUTPUT, "\nCreateNullTargetOp Ln/Col %u/%u NewOp %p Op %s\n", Op->Asl.LineNumber, Op->Asl.Column, Op, UtGetOpName (Op->Asl.ParseOpcode)); return (Op); } /******************************************************************************* * * FUNCTION: TrCreateConstantLeafOp * * PARAMETERS: ParseOpcode - The constant opcode * * RETURN: Pointer to the new op. Aborts on allocation failure * * DESCRIPTION: Create a leaf op (no children or peers) for one of the * special constants - __LINE__, __FILE__, and __DATE__. * * Note: The fullimplemenation of __METHOD__ cannot happen here because we * don't have a full parse tree at this time and cannot find the parent * control method. __METHOD__ must be implemented later, after the parse * tree has been fully constructed. * ******************************************************************************/ ACPI_PARSE_OBJECT * TrCreateConstantLeafOp ( UINT32 ParseOpcode) { ACPI_PARSE_OBJECT *Op = NULL; time_t CurrentTime; char *StaticTimeString; char *TimeString; char *Filename; switch (ParseOpcode) { case PARSEOP___LINE__: Op = TrAllocateOp (PARSEOP_INTEGER); Op->Asl.Value.Integer = Op->Asl.LineNumber; break; case PARSEOP___METHOD__: /* Will become a string literal later */ Op = TrAllocateOp (PARSEOP___METHOD__); Op->Asl.Value.String = NULL; break; case PARSEOP___PATH__: Op = TrAllocateOp (PARSEOP_STRING_LITERAL); /* Op.Asl.Filename contains the full pathname to the file */ Op->Asl.Value.String = Op->Asl.Filename; break; case PARSEOP___FILE__: Op = TrAllocateOp (PARSEOP_STRING_LITERAL); /* Get the simple filename from the full path */ FlSplitInputPathname (Op->Asl.Filename, NULL, &Filename); Op->Asl.Value.String = Filename; break; case PARSEOP___DATE__: Op = TrAllocateOp (PARSEOP_STRING_LITERAL); /* Get a copy of the current time */ CurrentTime = time (NULL); StaticTimeString = ctime (&CurrentTime); TimeString = UtLocalCalloc (strlen (StaticTimeString) + 1); strcpy (TimeString, StaticTimeString); TimeString[strlen(TimeString) -1] = 0; /* Remove trailing newline */ Op->Asl.Value.String = TimeString; break; default: /* This would be an internal error */ return (NULL); } DbgPrint (ASL_PARSE_OUTPUT, "\nCreateConstantLeafOp Ln/Col %u/%u NewOp %p " "Op %s Value %8.8X%8.8X \n", Op->Asl.LineNumber, Op->Asl.Column, Op, UtGetOpName (ParseOpcode), ACPI_FORMAT_UINT64 (Op->Asl.Value.Integer)); return (Op); } /******************************************************************************* * * FUNCTION: TrAllocateOp * * PARAMETERS: ParseOpcode - Opcode to be assigned to the op * * RETURN: New parse op. Aborts on allocation failure * * DESCRIPTION: Allocate and initialize a new parse op for the parse tree * ******************************************************************************/ ACPI_PARSE_OBJECT * TrAllocateOp ( UINT32 ParseOpcode) { ACPI_PARSE_OBJECT *Op; ACPI_PARSE_OBJECT *LatestOp; Op = UtParseOpCacheCalloc (); Op->Asl.ParseOpcode = (UINT16) ParseOpcode; Op->Asl.Filename = Gbl_Files[ASL_FILE_INPUT].Filename; Op->Asl.LineNumber = Gbl_CurrentLineNumber; Op->Asl.LogicalLineNumber = Gbl_LogicalLineNumber; Op->Asl.LogicalByteOffset = Gbl_CurrentLineOffset; Op->Asl.Column = Gbl_CurrentColumn; UtSetParseOpName (Op); /* The following is for capturing comments */ if (AcpiGbl_CaptureComments) { LatestOp = Gbl_CommentState.LatestParseOp; Op->Asl.InlineComment = NULL; Op->Asl.EndNodeComment = NULL; Op->Asl.CommentList = NULL; Op->Asl.FileChanged = FALSE; /* * Check to see if the file name has changed before resetting the * latest parse op. */ if (LatestOp && (ParseOpcode != PARSEOP_INCLUDE) && (ParseOpcode != PARSEOP_INCLUDE_END) && strcmp (LatestOp->Asl.Filename, Op->Asl.Filename)) { CvDbgPrint ("latest op: %s\n", LatestOp->Asl.ParseOpName); Op->Asl.FileChanged = TRUE; if (Gbl_IncludeFileStack) { Op->Asl.ParentFilename = Gbl_IncludeFileStack->Filename; } else { Op->Asl.ParentFilename = NULL; } } Gbl_CommentState.LatestParseOp = Op; CvDbgPrint ("TrAllocateOp=Set latest parse op to this op.\n"); CvDbgPrint (" Op->Asl.ParseOpName = %s\n", Gbl_CommentState.LatestParseOp->Asl.ParseOpName); CvDbgPrint (" Op->Asl.ParseOpcode = 0x%x\n", ParseOpcode); if (Op->Asl.FileChanged) { CvDbgPrint(" file has been changed!\n"); } /* * if this parse op's syntax uses () and {} (i.e. Package(1){0x00}) then * set a flag in the comment state. This facilitates paring comments for * these types of opcodes. */ if ((CvParseOpBlockType(Op) == (BLOCK_PAREN | BLOCK_BRACE)) && (ParseOpcode != PARSEOP_DEFINITION_BLOCK)) { CvDbgPrint ("Parsing paren/Brace op now!\n"); Gbl_CommentState.ParsingParenBraceNode = Op; } if (Gbl_CommentListHead) { CvDbgPrint ("Transferring...\n"); Op->Asl.CommentList = Gbl_CommentListHead; Gbl_CommentListHead = NULL; Gbl_CommentListTail = NULL; CvDbgPrint (" Transferred current comment list to this op.\n"); CvDbgPrint (" %s\n", Op->Asl.CommentList->Comment); } if (Gbl_InlineCommentBuffer) { Op->Asl.InlineComment = Gbl_InlineCommentBuffer; Gbl_InlineCommentBuffer = NULL; CvDbgPrint ("Transferred current inline comment list to this op.\n"); } } return (Op); } /******************************************************************************* * * FUNCTION: TrPrintOpFlags * * PARAMETERS: Flags - Flags word to be decoded * OutputLevel - Debug output level: ASL_TREE_OUTPUT etc. * * RETURN: None * * DESCRIPTION: Decode a flags word to text. Displays all flags that are set. * ******************************************************************************/ void TrPrintOpFlags ( UINT32 Flags, UINT32 OutputLevel) { UINT32 FlagBit = 1; UINT32 i; for (i = 0; i < ACPI_NUM_OP_FLAGS; i++) { if (Flags & FlagBit) { DbgPrint (OutputLevel, " %s", Gbl_OpFlagNames[i]); } FlagBit <<= 1; } }