815 lines
23 KiB
C
815 lines
23 KiB
C
/******************************************************************************
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*
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* Module Name: aslxrefout.c - support for optional cross-reference file
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*
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*****************************************************************************/
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/*
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* Copyright (C) 2000 - 2016, Intel Corp.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*/
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#include "aslcompiler.h"
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#include "aslcompiler.y.h"
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#include "acnamesp.h"
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#include "acparser.h"
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#include "amlcode.h"
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#define _COMPONENT ACPI_COMPILER
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ACPI_MODULE_NAME ("aslxrefout")
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/* Local prototypes */
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static ACPI_STATUS
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OtXrefWalkPart2 (
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ACPI_PARSE_OBJECT *Op,
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UINT32 Level,
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void *Context);
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static ACPI_STATUS
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OtXrefWalkPart3 (
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ACPI_PARSE_OBJECT *Op,
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UINT32 Level,
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void *Context);
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static ACPI_STATUS
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OtXrefAnalysisWalkPart1 (
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ACPI_PARSE_OBJECT *Op,
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UINT32 Level,
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void *Context);
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static ACPI_STATUS
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OtXrefAnalysisWalkPart2 (
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ACPI_PARSE_OBJECT *Op,
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UINT32 Level,
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void *Context);
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static ACPI_STATUS
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OtXrefAnalysisWalkPart3 (
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ACPI_PARSE_OBJECT *Op,
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UINT32 Level,
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void *Context);
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/*******************************************************************************
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*
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* FUNCTION: OtPrintHeaders
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*
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* PARAMETERS: Message - Main header message
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*
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* RETURN: None
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*
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* DESCRIPTION: Emits the main header message along with field descriptions
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*
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******************************************************************************/
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void
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OtPrintHeaders (
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char *Message)
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{
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UINT32 Length;
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Length = strlen (Message);
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FlPrintFile (ASL_FILE_XREF_OUTPUT, "\n\n%s\n", Message);
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while (Length)
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{
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FlPrintFile (ASL_FILE_XREF_OUTPUT, "-");
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Length--;
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}
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FlPrintFile (ASL_FILE_XREF_OUTPUT, "\n\nLineno %-40s Description\n",
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"Full Pathname");
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}
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/*******************************************************************************
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*
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* FUNCTION: OtCreateXrefFile
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*
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* PARAMETERS: None
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*
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* RETURN: None
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*
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* DESCRIPTION Main entry point for parts 2 and 3 of the cross-reference
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* file.
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*
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******************************************************************************/
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void
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OtCreateXrefFile (
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void)
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{
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ASL_XREF_INFO XrefInfo;
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/* Build cross-reference output file if requested */
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if (!Gbl_CrossReferenceOutput)
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{
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return;
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}
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memset (&XrefInfo, 0, sizeof (ASL_XREF_INFO));
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/* Cross-reference output file, part 2 (Method invocations) */
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OtPrintHeaders ("Part 2: Method Reference Map "
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"(Invocations of each user-defined control method)");
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TrWalkParseTree (Gbl_ParseTreeRoot, ASL_WALK_VISIT_DOWNWARD,
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OtXrefWalkPart2, NULL, &XrefInfo);
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/* Cross-reference output file, part 3 (All other object refs) */
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OtPrintHeaders ("Part 3: Full Object Reference Map "
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"(Methods that reference each object in namespace");
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TrWalkParseTree (Gbl_ParseTreeRoot, ASL_WALK_VISIT_DOWNWARD,
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OtXrefWalkPart3, NULL, &XrefInfo);
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/* Cross-reference summary */
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FlPrintFile (ASL_FILE_XREF_OUTPUT, "\n\nObject Summary\n");
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FlPrintFile (ASL_FILE_XREF_OUTPUT,
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"\nTotal methods: %u\n",
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XrefInfo.TotalPredefinedMethods + XrefInfo.TotalUserMethods);
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FlPrintFile (ASL_FILE_XREF_OUTPUT,
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"Total predefined methods: %u\n",
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XrefInfo.TotalPredefinedMethods);
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FlPrintFile (ASL_FILE_XREF_OUTPUT,
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"\nTotal user methods: %u\n",
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XrefInfo.TotalUserMethods);
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FlPrintFile (ASL_FILE_XREF_OUTPUT,
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"Total unreferenced user methods %u\n",
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XrefInfo.TotalUnreferenceUserMethods);
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FlPrintFile (ASL_FILE_XREF_OUTPUT,
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"\nTotal defined objects: %u\n",
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XrefInfo.TotalObjects);
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FlPrintFile (ASL_FILE_XREF_OUTPUT,
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"Total unreferenced objects: %u\n",
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XrefInfo.TotalUnreferencedObjects);
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}
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/*
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* Part 1 of the cross reference file. This part emits the namespace objects
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* that are referenced by each control method in the namespace.
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*
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* Part 2 and 3 are below part 1.
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*/
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/*******************************************************************************
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*
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* FUNCTION: OtXrefWalkPart1
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*
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* PARAMETERS: Op - Current parse Op
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* Level - Current tree nesting level
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* MethodInfo - Info block for the current method
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*
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*
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* RETURN: None
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*
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* DESCRIPTION: Entry point for the creation of the method call reference map.
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* For each control method in the namespace, all other methods
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* that invoke the method are listed. Predefined names/methods
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* that start with an underscore are ignored, because these are
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* essentially external/public interfaces.
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* DESCRIPTION: Entry point for the creation of the object reference map.
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* For each control method in the namespace, all objects that
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* are referenced by the method are listed.
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*
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* Called during a normal namespace walk, once per namespace
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* object. (MtMethodAnalysisWalkBegin)
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*
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******************************************************************************/
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void
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OtXrefWalkPart1 (
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ACPI_PARSE_OBJECT *Op,
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UINT32 Level,
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ASL_METHOD_INFO *MethodInfo)
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{
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ACPI_NAMESPACE_NODE *Node;
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ACPI_PARSE_OBJECT *NextOp;
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ACPI_PARSE_OBJECT *FieldOp;
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char *ParentPath;
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UINT32 Length;
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ACPI_STATUS Status;
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switch (Op->Asl.ParseOpcode)
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{
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case PARSEOP_NAMESEG:
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case PARSEOP_NAMESTRING:
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case PARSEOP_METHODCALL:
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if (!MethodInfo ||
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(MethodInfo->Op->Asl.Child == Op) ||
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!Op->Asl.Node)
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{
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break;
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}
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MethodInfo->CurrentOp = Op;
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Node = Op->Asl.Node;
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/* Find all objects referenced by this method */
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Status = TrWalkParseTree (MethodInfo->Op, ASL_WALK_VISIT_DOWNWARD,
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OtXrefAnalysisWalkPart1, NULL, MethodInfo);
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if (Status == AE_CTRL_TERMINATE)
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{
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ParentPath = AcpiNsGetNormalizedPathname (Node, TRUE);
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FlPrintFile (ASL_FILE_XREF_OUTPUT, " %-40s %s",
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ParentPath, AcpiUtGetTypeName (Node->Type));
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ACPI_FREE (ParentPath);
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switch (Node->Type)
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{
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/* Handle externals */
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case ACPI_TYPE_ANY:
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case ACPI_TYPE_FIELD_UNIT:
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FlPrintFile (ASL_FILE_XREF_OUTPUT, " <External Object>");
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break;
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case ACPI_TYPE_INTEGER:
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FlPrintFile (ASL_FILE_XREF_OUTPUT, " %8.8X%8.8X",
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ACPI_FORMAT_UINT64 (Op->Asl.Value.Integer));
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break;
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case ACPI_TYPE_METHOD:
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FlPrintFile (ASL_FILE_XREF_OUTPUT, " Invocation (%u args)",
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Node->ArgCount);
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break;
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case ACPI_TYPE_BUFFER_FIELD:
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NextOp = Node->Op; /* Create Buffer Field Op */
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switch (NextOp->Asl.ParseOpcode)
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{
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case PARSEOP_CREATEBITFIELD:
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Length = 1;
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break;
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case PARSEOP_CREATEBYTEFIELD:
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Length = 8;
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break;
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case PARSEOP_CREATEWORDFIELD:
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Length = 16;
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break;
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case PARSEOP_CREATEDWORDFIELD:
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Length = 32;
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break;
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case PARSEOP_CREATEQWORDFIELD:
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Length = 64;
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break;
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default:
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Length = 0;
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break;
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}
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NextOp = NextOp->Asl.Child; /* Buffer name */
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if (!NextOp->Asl.ExternalName)
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{
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FlPrintFile (ASL_FILE_XREF_OUTPUT, " in Arg/Local");
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}
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else
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{
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ParentPath = AcpiNsGetNormalizedPathname (
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NextOp->Asl.Node, TRUE);
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FlPrintFile (ASL_FILE_XREF_OUTPUT, " (%.2u bit) in Buffer %s",
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Length, ParentPath);
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ACPI_FREE (ParentPath);
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}
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break;
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case ACPI_TYPE_LOCAL_REGION_FIELD:
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NextOp = Node->Op;
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FieldOp = NextOp->Asl.Parent;
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NextOp = FieldOp->Asl.Child;
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ParentPath = AcpiNsGetNormalizedPathname (
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NextOp->Asl.Node, TRUE);
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FlPrintFile (ASL_FILE_XREF_OUTPUT, " (%.2u bit) in Region %s",
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(UINT32) Node->Op->Asl.Child->Asl.Value.Integer,
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ParentPath);
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ACPI_FREE (ParentPath);
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if (FieldOp->Asl.ParseOpcode == PARSEOP_FIELD)
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{
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Node = NextOp->Asl.Node; /* Region node */
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NextOp = Node->Op; /* PARSEOP_REGION */
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NextOp = NextOp->Asl.Child; /* Region name */
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NextOp = NextOp->Asl.Next;
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/* Get region space/addr/len? */
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FlPrintFile (ASL_FILE_XREF_OUTPUT, " (%s)",
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AcpiUtGetRegionName ((UINT8)
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NextOp->Asl.Value.Integer));
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}
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break;
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default:
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break;
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}
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FlPrintFile (ASL_FILE_XREF_OUTPUT, "\n");
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}
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break;
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case PARSEOP_METHOD:
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ParentPath = AcpiNsGetNormalizedPathname (Op->Asl.Node, TRUE);
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FlPrintFile (ASL_FILE_XREF_OUTPUT,
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"\n[%5u] %-40s %s Declaration (%u args)\n",
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Op->Asl.LogicalLineNumber, ParentPath,
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AcpiUtGetTypeName (Op->Asl.Node->Type), Op->Asl.Node->ArgCount);
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ACPI_FREE (ParentPath);
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break;
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default:
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break;
|
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: OtXrefAnalysisWalkPart1
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*
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* PARAMETERS: ASL_WALK_CALLBACK
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*
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* RETURN: Status
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*
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* DESCRIPTION: Secondary walk for cross-reference part 1.
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*
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******************************************************************************/
|
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static ACPI_STATUS
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OtXrefAnalysisWalkPart1 (
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ACPI_PARSE_OBJECT *Op,
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UINT32 Level,
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void *Context)
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{
|
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ASL_METHOD_INFO *MethodInfo = (ASL_METHOD_INFO *) Context;
|
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ACPI_PARSE_OBJECT *Next;
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|
|
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/* Only interested in name string Ops -- ignore all others */
|
|
|
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if ((Op->Asl.ParseOpcode != PARSEOP_NAMESEG) &&
|
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(Op->Asl.ParseOpcode != PARSEOP_NAMESTRING) &&
|
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(Op->Asl.ParseOpcode != PARSEOP_METHODCALL))
|
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{
|
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return (AE_OK);
|
|
}
|
|
|
|
/* No node means a locally declared object -- ignore */
|
|
|
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if (!Op->Asl.Node)
|
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{
|
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return (AE_OK);
|
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}
|
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|
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/* When we encounter the source Op, we are done */
|
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|
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Next = MethodInfo->CurrentOp;
|
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if (Next == Op)
|
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{
|
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return (AE_CTRL_TERMINATE);
|
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}
|
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|
|
/* If we have a name match, this Op is a duplicate */
|
|
|
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if ((Next->Asl.ParseOpcode == PARSEOP_NAMESEG) ||
|
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(Next->Asl.ParseOpcode == PARSEOP_NAMESTRING) ||
|
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(Next->Asl.ParseOpcode == PARSEOP_METHODCALL))
|
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{
|
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if (!strcmp (Op->Asl.ExternalName, Next->Asl.ExternalName))
|
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{
|
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return (AE_ALREADY_EXISTS);
|
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}
|
|
}
|
|
|
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return (AE_OK);
|
|
}
|
|
|
|
|
|
/*
|
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* Part 2 of the cross reference file. This part emits the names of each
|
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* non-predefined method in the namespace (user methods), along with the
|
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* names of each control method that references that method.
|
|
*/
|
|
|
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/*******************************************************************************
|
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*
|
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* FUNCTION: OtXrefWalkPart2
|
|
*
|
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* PARAMETERS: ASL_WALK_CALLBACK
|
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*
|
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* RETURN: Status
|
|
*
|
|
* DESCRIPTION: For each control method in the namespace, we will re-walk the
|
|
* namespace to find each and every invocation of that control
|
|
* method. Brute force, but does not matter, even for large
|
|
* namespaces. Ignore predefined names (start with underscore).
|
|
*
|
|
******************************************************************************/
|
|
|
|
static ACPI_STATUS
|
|
OtXrefWalkPart2 (
|
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ACPI_PARSE_OBJECT *Op,
|
|
UINT32 Level,
|
|
void *Context)
|
|
{
|
|
ASL_XREF_INFO *XrefInfo = (ASL_XREF_INFO *) Context;
|
|
ACPI_NAMESPACE_NODE *Node;
|
|
char *ParentPath;
|
|
|
|
|
|
/* Looking for Method Declaration Ops only */
|
|
|
|
if (!Op->Asl.Node ||
|
|
(Op->Asl.ParseOpcode != PARSEOP_METHOD))
|
|
{
|
|
return (AE_OK);
|
|
}
|
|
|
|
/* Ignore predefined names */
|
|
|
|
if (Op->Asl.Node->Name.Ascii[0] == '_')
|
|
{
|
|
XrefInfo->TotalPredefinedMethods++;
|
|
return (AE_OK);
|
|
}
|
|
|
|
Node = Op->Asl.Node;
|
|
ParentPath = AcpiNsGetNormalizedPathname (Node, TRUE);
|
|
|
|
FlPrintFile (ASL_FILE_XREF_OUTPUT,
|
|
"\n[%5u] %-40s %s Declaration (%u args)\n",
|
|
Op->Asl.LogicalLineNumber, ParentPath,
|
|
AcpiUtGetTypeName (Node->Type), Node->ArgCount);
|
|
|
|
XrefInfo->TotalUserMethods++;
|
|
XrefInfo->ThisMethodInvocations = 0;
|
|
XrefInfo->MethodOp = Op;
|
|
|
|
(void) TrWalkParseTree (Gbl_ParseTreeRoot, ASL_WALK_VISIT_DOWNWARD,
|
|
OtXrefAnalysisWalkPart2, NULL, XrefInfo);
|
|
|
|
if (!XrefInfo->ThisMethodInvocations)
|
|
{
|
|
FlPrintFile (ASL_FILE_XREF_OUTPUT,
|
|
" Zero invocations of this method in this module\n");
|
|
XrefInfo->TotalUnreferenceUserMethods++;
|
|
}
|
|
else
|
|
{
|
|
FlPrintFile (ASL_FILE_XREF_OUTPUT,
|
|
" %u invocations of method %s in this module\n",
|
|
XrefInfo->ThisMethodInvocations, ParentPath);
|
|
}
|
|
|
|
ACPI_FREE (ParentPath);
|
|
return (AE_OK);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: OtXrefAnalysisWalkPart2
|
|
*
|
|
* PARAMETERS: ASL_WALK_CALLBACK
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: For every Op that is a method invocation, emit a reference
|
|
* line if the Op is invoking the target method.
|
|
*
|
|
******************************************************************************/
|
|
|
|
static ACPI_STATUS
|
|
OtXrefAnalysisWalkPart2 (
|
|
ACPI_PARSE_OBJECT *Op,
|
|
UINT32 Level,
|
|
void *Context)
|
|
{
|
|
ASL_XREF_INFO *XrefInfo = (ASL_XREF_INFO *) Context;
|
|
ACPI_PARSE_OBJECT *CallerOp;
|
|
char *CallerFullPathname;
|
|
|
|
|
|
/* Looking for MethodCall Ops only */
|
|
|
|
if (!Op->Asl.Node ||
|
|
(Op->Asl.ParseOpcode != PARSEOP_METHODCALL))
|
|
{
|
|
return (AE_OK);
|
|
}
|
|
|
|
/* If not a match to the target method, we are done */
|
|
|
|
if (Op->Asl.Node != XrefInfo->MethodOp->Asl.Node)
|
|
{
|
|
return (AE_CTRL_DEPTH);
|
|
}
|
|
|
|
/* Find parent method to get method caller namepath */
|
|
|
|
CallerOp = Op->Asl.Parent;
|
|
while (CallerOp &&
|
|
(CallerOp->Asl.ParseOpcode != PARSEOP_METHOD))
|
|
{
|
|
CallerOp = CallerOp->Asl.Parent;
|
|
}
|
|
|
|
/* There is no parent method for External() statements */
|
|
|
|
if (!CallerOp)
|
|
{
|
|
return (AE_OK);
|
|
}
|
|
|
|
CallerFullPathname = AcpiNsGetNormalizedPathname (
|
|
CallerOp->Asl.Node, TRUE);
|
|
|
|
FlPrintFile (ASL_FILE_XREF_OUTPUT,
|
|
"[%5u] %-40s Invocation path: %s\n",
|
|
Op->Asl.LogicalLineNumber, CallerFullPathname,
|
|
Op->Asl.ExternalName);
|
|
|
|
ACPI_FREE (CallerFullPathname);
|
|
XrefInfo->ThisMethodInvocations++;
|
|
return (AE_OK);
|
|
}
|
|
|
|
|
|
/*
|
|
* Part 3 of the cross reference file. This part emits the names of each
|
|
* non-predefined method in the namespace (user methods), along with the
|
|
* names of each control method that references that method.
|
|
*/
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: OtXrefWalkPart3
|
|
*
|
|
* PARAMETERS: ASL_WALK_CALLBACK
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Cross-reference part 3. references to objects other than
|
|
* control methods.
|
|
*
|
|
******************************************************************************/
|
|
|
|
static ACPI_STATUS
|
|
OtXrefWalkPart3 (
|
|
ACPI_PARSE_OBJECT *Op,
|
|
UINT32 Level,
|
|
void *Context)
|
|
{
|
|
ASL_XREF_INFO *XrefInfo = (ASL_XREF_INFO *) Context;
|
|
ACPI_NAMESPACE_NODE *Node;
|
|
char *ParentPath;
|
|
const ACPI_OPCODE_INFO *OpInfo;
|
|
|
|
|
|
/* Ignore method declarations */
|
|
|
|
if (!Op->Asl.Node ||
|
|
(Op->Asl.ParseOpcode == PARSEOP_METHOD))
|
|
{
|
|
return (AE_OK);
|
|
}
|
|
|
|
OpInfo = AcpiPsGetOpcodeInfo (Op->Asl.AmlOpcode);
|
|
if (!(OpInfo->Class & AML_CLASS_NAMED_OBJECT))
|
|
{
|
|
return (AE_OK);
|
|
}
|
|
|
|
/* Only care about named object creation opcodes */
|
|
|
|
if ((Op->Asl.ParseOpcode != PARSEOP_NAME) &&
|
|
(Op->Asl.ParseOpcode != PARSEOP_DEVICE) &&
|
|
(Op->Asl.ParseOpcode != PARSEOP_MUTEX) &&
|
|
(Op->Asl.ParseOpcode != PARSEOP_OPERATIONREGION) &&
|
|
(Op->Asl.ParseOpcode != PARSEOP_FIELD) &&
|
|
(Op->Asl.ParseOpcode != PARSEOP_EVENT))
|
|
{
|
|
return (AE_OK);
|
|
}
|
|
|
|
/* Ignore predefined names */
|
|
|
|
if (Op->Asl.Node->Name.Ascii[0] == '_')
|
|
{
|
|
return (AE_OK);
|
|
}
|
|
|
|
Node = Op->Asl.Node;
|
|
ParentPath = AcpiNsGetNormalizedPathname (Node, TRUE);
|
|
|
|
FlPrintFile (ASL_FILE_XREF_OUTPUT,
|
|
"\n[%5u] %-40s %s Declaration\n",
|
|
Op->Asl.LogicalLineNumber, ParentPath,
|
|
AcpiUtGetTypeName (Node->Type));
|
|
ACPI_FREE (ParentPath);
|
|
|
|
XrefInfo->MethodOp = Op;
|
|
XrefInfo->ThisObjectReferences = 0;
|
|
XrefInfo->TotalObjects = 0;
|
|
|
|
(void) TrWalkParseTree (Gbl_ParseTreeRoot, ASL_WALK_VISIT_DOWNWARD,
|
|
OtXrefAnalysisWalkPart3, NULL, XrefInfo);
|
|
|
|
if (!XrefInfo->ThisObjectReferences)
|
|
{
|
|
FlPrintFile (ASL_FILE_XREF_OUTPUT,
|
|
" Zero references to this object in this module\n");
|
|
XrefInfo->TotalUnreferencedObjects++;
|
|
}
|
|
else
|
|
{
|
|
FlPrintFile (ASL_FILE_XREF_OUTPUT,
|
|
" %u references to this object in this module\n",
|
|
XrefInfo->ThisObjectReferences, ParentPath);
|
|
}
|
|
|
|
return (AE_OK);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: OtXrefAnalysisWalkPart3
|
|
*
|
|
* PARAMETERS: ASL_WALK_CALLBACK
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Secondary walk for cross-reference part 3.
|
|
*
|
|
******************************************************************************/
|
|
|
|
static ACPI_STATUS
|
|
OtXrefAnalysisWalkPart3 (
|
|
ACPI_PARSE_OBJECT *Op,
|
|
UINT32 Level,
|
|
void *Context)
|
|
{
|
|
ASL_XREF_INFO *XrefInfo = (ASL_XREF_INFO *) Context;
|
|
char *CallerFullPathname = NULL;
|
|
ACPI_PARSE_OBJECT *CallerOp;
|
|
const char *Operator;
|
|
|
|
|
|
if (!Op->Asl.Node)
|
|
{
|
|
return (AE_OK);
|
|
}
|
|
|
|
XrefInfo->TotalObjects++;
|
|
|
|
/* Ignore Op that actually defined the object */
|
|
|
|
if (Op == XrefInfo->MethodOp)
|
|
{
|
|
return (AE_OK);
|
|
}
|
|
|
|
/* Only interested in Ops that reference the target node */
|
|
|
|
if (Op->Asl.Node != XrefInfo->MethodOp->Asl.Node)
|
|
{
|
|
return (AE_OK);
|
|
}
|
|
|
|
/* Find parent "open scope" object to get method caller namepath */
|
|
|
|
CallerOp = Op->Asl.Parent;
|
|
while (CallerOp &&
|
|
(CallerOp->Asl.ParseOpcode != PARSEOP_NAME) &&
|
|
(CallerOp->Asl.ParseOpcode != PARSEOP_METHOD) &&
|
|
(CallerOp->Asl.ParseOpcode != PARSEOP_DEVICE) &&
|
|
(CallerOp->Asl.ParseOpcode != PARSEOP_POWERRESOURCE) &&
|
|
(CallerOp->Asl.ParseOpcode != PARSEOP_PROCESSOR) &&
|
|
(CallerOp->Asl.ParseOpcode != PARSEOP_THERMALZONE))
|
|
{
|
|
CallerOp = CallerOp->Asl.Parent;
|
|
}
|
|
|
|
if (CallerOp == XrefInfo->CurrentMethodOp)
|
|
{
|
|
return (AE_OK);
|
|
}
|
|
|
|
/* Null CallerOp means the caller is at the namespace root */
|
|
|
|
if (CallerOp)
|
|
{
|
|
CallerFullPathname = AcpiNsGetNormalizedPathname (
|
|
CallerOp->Asl.Node, TRUE);
|
|
}
|
|
|
|
/* There are some special cases for the oddball operators */
|
|
|
|
if (Op->Asl.ParseOpcode == PARSEOP_SCOPE)
|
|
{
|
|
Operator = "Scope";
|
|
}
|
|
else if (Op->Asl.Parent->Asl.ParseOpcode == PARSEOP_ALIAS)
|
|
{
|
|
Operator = "Alias";
|
|
}
|
|
else if (!CallerOp)
|
|
{
|
|
Operator = "ModLevel";
|
|
}
|
|
else
|
|
{
|
|
Operator = AcpiUtGetTypeName (CallerOp->Asl.Node->Type);
|
|
}
|
|
|
|
FlPrintFile (ASL_FILE_XREF_OUTPUT,
|
|
"[%5u] %-40s %-8s via path: %s, Operator: %s\n",
|
|
Op->Asl.LogicalLineNumber,
|
|
CallerFullPathname ? CallerFullPathname : "<root>",
|
|
Operator,
|
|
Op->Asl.ExternalName,
|
|
Op->Asl.Parent->Asl.ParseOpName);
|
|
|
|
if (!CallerOp)
|
|
{
|
|
CallerOp = ACPI_TO_POINTER (0xFFFFFFFF);
|
|
}
|
|
|
|
if (CallerFullPathname)
|
|
{
|
|
ACPI_FREE (CallerFullPathname);
|
|
}
|
|
|
|
XrefInfo->CurrentMethodOp = CallerOp;
|
|
XrefInfo->ThisObjectReferences++;
|
|
return (AE_OK);
|
|
}
|