diff options
Diffstat (limited to 'sys/contrib/dev/acpica/compiler/aslxrefout.c')
| -rw-r--r-- | sys/contrib/dev/acpica/compiler/aslxrefout.c | 922 |
1 files changed, 922 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/compiler/aslxrefout.c b/sys/contrib/dev/acpica/compiler/aslxrefout.c new file mode 100644 index 000000000000..67e26b3e69de --- /dev/null +++ b/sys/contrib/dev/acpica/compiler/aslxrefout.c @@ -0,0 +1,922 @@ +/****************************************************************************** + * + * Module Name: aslxrefout.c - support for optional cross-reference file + * + *****************************************************************************/ + +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999 - 2025, 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 <contrib/dev/acpica/compiler/aslcompiler.h> +#include "aslcompiler.y.h" +#include <contrib/dev/acpica/include/acnamesp.h> +#include <contrib/dev/acpica/include/acparser.h> +#include <contrib/dev/acpica/include/amlcode.h> + +#define _COMPONENT ACPI_COMPILER + ACPI_MODULE_NAME ("aslxrefout") + + +/* Local prototypes */ + +static ACPI_STATUS +OtXrefWalkPart2 ( + ACPI_PARSE_OBJECT *Op, + UINT32 Level, + void *Context); + +static ACPI_STATUS +OtXrefWalkPart3 ( + ACPI_PARSE_OBJECT *Op, + UINT32 Level, + void *Context); + +static ACPI_STATUS +OtXrefAnalysisWalkPart1 ( + ACPI_PARSE_OBJECT *Op, + UINT32 Level, + void *Context); + + +static ACPI_STATUS +OtXrefAnalysisWalkPart2 ( + ACPI_PARSE_OBJECT *Op, + UINT32 Level, + void *Context); + +static ACPI_STATUS +OtXrefAnalysisWalkPart3 ( + ACPI_PARSE_OBJECT *Op, + UINT32 Level, + void *Context); + + +/******************************************************************************* + * + * FUNCTION: OtPrintHeaders + * + * PARAMETERS: Message - Main header message + * + * RETURN: None + * + * DESCRIPTION: Emits the main header message along with field descriptions + * + ******************************************************************************/ + +void +OtPrintHeaders ( + char *Message) +{ + UINT32 Length; + + + Length = strlen (Message); + + FlPrintFile (ASL_FILE_XREF_OUTPUT, "\n\n%s\n", Message); + while (Length) + { + FlPrintFile (ASL_FILE_XREF_OUTPUT, "-"); + Length--; + } + + FlPrintFile (ASL_FILE_XREF_OUTPUT, "\n\nLineno %-40s Description\n", + "Full Pathname"); +} + + +/******************************************************************************* + * + * FUNCTION: OtCreateXrefFile + * + * PARAMETERS: None + * + * RETURN: None + * + * DESCRIPTION Main entry point for parts 2 and 3 of the cross-reference + * file. + * + ******************************************************************************/ + +void +OtCreateXrefFile ( + void) +{ + ASL_XREF_INFO XrefInfo; + + + /* Build cross-reference output file if requested */ + + if (!AslGbl_CrossReferenceOutput) + { + return; + } + + memset (&XrefInfo, 0, sizeof (ASL_XREF_INFO)); + + /* Cross-reference output file, part 2 (Method invocations) */ + + OtPrintHeaders ("Part 2: Method Reference Map " + "(Invocations of each user-defined control method)"); + + TrWalkParseTree (AslGbl_ParseTreeRoot, ASL_WALK_VISIT_DOWNWARD, + OtXrefWalkPart2, NULL, &XrefInfo); + + /* Cross-reference output file, part 3 (All other object refs) */ + + OtPrintHeaders ("Part 3: Full Object Reference Map " + "(Methods that reference each object in namespace"); + + TrWalkParseTree (AslGbl_ParseTreeRoot, ASL_WALK_VISIT_DOWNWARD, + OtXrefWalkPart3, NULL, &XrefInfo); + + /* Cross-reference summary */ + + FlPrintFile (ASL_FILE_XREF_OUTPUT, "\n\nObject Summary\n"); + + FlPrintFile (ASL_FILE_XREF_OUTPUT, + "\nTotal methods: %u\n", + XrefInfo.TotalPredefinedMethods + XrefInfo.TotalUserMethods); + FlPrintFile (ASL_FILE_XREF_OUTPUT, + "Total predefined methods: %u\n", + XrefInfo.TotalPredefinedMethods); + + FlPrintFile (ASL_FILE_XREF_OUTPUT, + "\nTotal user methods: %u\n", + XrefInfo.TotalUserMethods); + FlPrintFile (ASL_FILE_XREF_OUTPUT, + "Total unreferenced user methods %u\n", + XrefInfo.TotalUnreferenceUserMethods); + + FlPrintFile (ASL_FILE_XREF_OUTPUT, + "\nTotal defined objects: %u\n", + XrefInfo.TotalObjects); + FlPrintFile (ASL_FILE_XREF_OUTPUT, + "Total unreferenced objects: %u\n", + XrefInfo.TotalUnreferencedObjects); +} + + +/* + * Part 1 of the cross reference file. This part emits the namespace objects + * that are referenced by each control method in the namespace. + * + * Part 2 and 3 are below part 1. + */ + +/******************************************************************************* + * + * FUNCTION: OtXrefWalkPart1 + * + * PARAMETERS: Op - Current parse Op + * Level - Current tree nesting level + * MethodInfo - Info block for the current method + * + * + * RETURN: None + * + * DESCRIPTION: Entry point for the creation of the method call reference map. + * For each control method in the namespace, all other methods + * that invoke the method are listed. Predefined names/methods + * that start with an underscore are ignored, because these are + * essentially external/public interfaces. + + * DESCRIPTION: Entry point for the creation of the object reference map. + * For each control method in the namespace, all objects that + * are referenced by the method are listed. + * + * Called during a normal namespace walk, once per namespace + * object. (MtMethodAnalysisWalkBegin) + * + ******************************************************************************/ + +void +OtXrefWalkPart1 ( + ACPI_PARSE_OBJECT *Op, + UINT32 Level, + ASL_METHOD_INFO *MethodInfo) +{ + ACPI_NAMESPACE_NODE *Node; + ACPI_PARSE_OBJECT *NextOp; + ACPI_PARSE_OBJECT *FieldOp; + char *ParentPath; + UINT32 Length; + ACPI_STATUS Status; + + + switch (Op->Asl.ParseOpcode) + { + case PARSEOP_NAMESEG: + case PARSEOP_NAMESTRING: + case PARSEOP_METHODCALL: + + if (!MethodInfo || + (MethodInfo->Op->Asl.Child == Op) || + !Op->Asl.Node) + { + break; + } + + MethodInfo->CurrentOp = Op; + Node = Op->Asl.Node; + + /* Find all objects referenced by this method */ + + Status = TrWalkParseTree (MethodInfo->Op, ASL_WALK_VISIT_DOWNWARD, + OtXrefAnalysisWalkPart1, NULL, MethodInfo); + + if (Status == AE_CTRL_TERMINATE) + { + ParentPath = AcpiNsGetNormalizedPathname (Node, TRUE); + + FlPrintFile (ASL_FILE_XREF_OUTPUT, " %-40s %s", + ParentPath, AcpiUtGetTypeName (Node->Type)); + ACPI_FREE (ParentPath); + + switch (Node->Type) + { + /* Handle externals */ + + case ACPI_TYPE_ANY: + case ACPI_TYPE_FIELD_UNIT: + + FlPrintFile (ASL_FILE_XREF_OUTPUT, " <External Object>"); + break; + + case ACPI_TYPE_INTEGER: + + FlPrintFile (ASL_FILE_XREF_OUTPUT, " %8.8X%8.8X", + ACPI_FORMAT_UINT64 (Op->Asl.Value.Integer)); + break; + + case ACPI_TYPE_METHOD: + + FlPrintFile (ASL_FILE_XREF_OUTPUT, " Invocation (%u args)", + Node->ArgCount); + break; + + case ACPI_TYPE_BUFFER_FIELD: + + NextOp = Node->Op; /* Create Buffer Field Op */ + switch (NextOp->Asl.ParseOpcode) + { + case PARSEOP_CREATEBITFIELD: + Length = 1; + break; + + case PARSEOP_CREATEBYTEFIELD: + Length = 8; + break; + + case PARSEOP_CREATEWORDFIELD: + Length = 16; + break; + + case PARSEOP_CREATEDWORDFIELD: + Length = 32; + break; + + case PARSEOP_CREATEQWORDFIELD: + Length = 64; + break; + + default: + Length = 0; + break; + } + + NextOp = NextOp->Asl.Child; /* Buffer name */ + + if (!NextOp->Asl.ExternalName) + { + FlPrintFile (ASL_FILE_XREF_OUTPUT, " in Arg/Local"); + } + else + { + ParentPath = AcpiNsGetNormalizedPathname ( + NextOp->Asl.Node, TRUE); + + FlPrintFile (ASL_FILE_XREF_OUTPUT, " (%.2u bit) in Buffer %s", + Length, ParentPath); + ACPI_FREE (ParentPath); + } + break; + + case ACPI_TYPE_LOCAL_REGION_FIELD: + + NextOp = Node->Op; + FieldOp = NextOp->Asl.Parent; + NextOp = FieldOp->Asl.Child; + + ParentPath = AcpiNsGetNormalizedPathname ( + NextOp->Asl.Node, TRUE); + + FlPrintFile (ASL_FILE_XREF_OUTPUT, " (%.2u bit) in Region %s", + (UINT32) Node->Op->Asl.Child->Asl.Value.Integer, + ParentPath); + ACPI_FREE (ParentPath); + + if (FieldOp->Asl.ParseOpcode == PARSEOP_FIELD) + { + Node = NextOp->Asl.Node; /* Region node */ + NextOp = Node->Op; /* PARSEOP_REGION */ + NextOp = NextOp->Asl.Child; /* Region name */ + NextOp = NextOp->Asl.Next; + + /* Get region space/addr/len? */ + + FlPrintFile (ASL_FILE_XREF_OUTPUT, " (%s)", + AcpiUtGetRegionName ((UINT8) + NextOp->Asl.Value.Integer)); + } + break; + + default: + break; + } + + FlPrintFile (ASL_FILE_XREF_OUTPUT, "\n"); + } + break; + + case PARSEOP_METHOD: + + ParentPath = AcpiNsGetNormalizedPathname (Op->Asl.Node, TRUE); + + FlPrintFile (ASL_FILE_XREF_OUTPUT, + "\n[%5u] %-40s %s Declaration (%u args)\n", + Op->Asl.LogicalLineNumber, ParentPath, + AcpiUtGetTypeName (Op->Asl.Node->Type), Op->Asl.Node->ArgCount); + + ACPI_FREE (ParentPath); + break; + + default: + break; + } +} + + +/******************************************************************************* + * + * FUNCTION: OtXrefAnalysisWalkPart1 + * + * PARAMETERS: ASL_WALK_CALLBACK + * + * RETURN: Status + * + * DESCRIPTION: Secondary walk for cross-reference part 1. + * + ******************************************************************************/ + +static ACPI_STATUS +OtXrefAnalysisWalkPart1 ( + ACPI_PARSE_OBJECT *Op, + UINT32 Level, + void *Context) +{ + ASL_METHOD_INFO *MethodInfo = (ASL_METHOD_INFO *) Context; + ACPI_PARSE_OBJECT *Next; + + + /* Only interested in name string Ops -- ignore all others */ + + if ((Op->Asl.ParseOpcode != PARSEOP_NAMESEG) && + (Op->Asl.ParseOpcode != PARSEOP_NAMESTRING) && + (Op->Asl.ParseOpcode != PARSEOP_METHODCALL)) + { + return (AE_OK); + } + + /* No node means a locally declared object -- ignore */ + + if (!Op->Asl.Node) + { + return (AE_OK); + } + + /* When we encounter the source Op, we are done */ + + Next = MethodInfo->CurrentOp; + if (Next == Op) + { + return (AE_CTRL_TERMINATE); + } + + /* If we have a name match, this Op is a duplicate */ + + if ((Next->Asl.ParseOpcode == PARSEOP_NAMESEG) || + (Next->Asl.ParseOpcode == PARSEOP_NAMESTRING) || + (Next->Asl.ParseOpcode == PARSEOP_METHODCALL)) + { + if (!strcmp (Op->Asl.ExternalName, Next->Asl.ExternalName)) + { + return (AE_ALREADY_EXISTS); + } + } + + return (AE_OK); +} + + +/* + * Part 2 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: OtXrefWalkPart2 + * + * PARAMETERS: ASL_WALK_CALLBACK + * + * 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 ( + 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 (AslGbl_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 (AslGbl_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 [%s]\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); +} |