| /****************************************************************************** |
| * |
| * Module Name: dsdebug - Parser/Interpreter interface - debugging |
| * |
| *****************************************************************************/ |
| |
| /* |
| * Copyright (C) 2000 - 2016, Intel Corp. |
| * All rights reserved. |
| * |
| * 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. |
| * |
| * Alternatively, this software may be distributed under the terms of the |
| * GNU General Public License ("GPL") version 2 as published by the Free |
| * Software Foundation. |
| * |
| * NO WARRANTY |
| * 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 MERCHANTIBILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES. |
| */ |
| |
| #include "acpi.h" |
| #include "accommon.h" |
| #include "acdispat.h" |
| #include "acnamesp.h" |
| #include "acdisasm.h" |
| #include "acinterp.h" |
| |
| |
| #define _COMPONENT ACPI_DISPATCHER |
| ACPI_MODULE_NAME ("dsdebug") |
| |
| |
| #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) |
| |
| /* Local prototypes */ |
| |
| static void |
| AcpiDsPrintNodePathname ( |
| ACPI_NAMESPACE_NODE *Node, |
| const char *Message); |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiDsPrintNodePathname |
| * |
| * PARAMETERS: Node - Object |
| * Message - Prefix message |
| * |
| * DESCRIPTION: Print an object's full namespace pathname |
| * Manages allocation/freeing of a pathname buffer |
| * |
| ******************************************************************************/ |
| |
| static void |
| AcpiDsPrintNodePathname ( |
| ACPI_NAMESPACE_NODE *Node, |
| const char *Message) |
| { |
| ACPI_BUFFER Buffer; |
| ACPI_STATUS Status; |
| |
| |
| ACPI_FUNCTION_TRACE (DsPrintNodePathname); |
| |
| if (!Node) |
| { |
| ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DISPATCH, "[NULL NAME]")); |
| return_VOID; |
| } |
| |
| /* Convert handle to full pathname and print it (with supplied message) */ |
| |
| Buffer.Length = ACPI_ALLOCATE_LOCAL_BUFFER; |
| |
| Status = AcpiNsHandleToPathname (Node, &Buffer, TRUE); |
| if (ACPI_SUCCESS (Status)) |
| { |
| if (Message) |
| { |
| ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DISPATCH, "%s ", Message)); |
| } |
| |
| ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DISPATCH, "[%s] (Node %p)", |
| (char *) Buffer.Pointer, Node)); |
| ACPI_FREE (Buffer.Pointer); |
| } |
| |
| return_VOID; |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiDsDumpMethodStack |
| * |
| * PARAMETERS: Status - Method execution status |
| * WalkState - Current state of the parse tree walk |
| * Op - Executing parse op |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Called when a method has been aborted because of an error. |
| * Dumps the method execution stack. |
| * |
| ******************************************************************************/ |
| |
| void |
| AcpiDsDumpMethodStack ( |
| ACPI_STATUS Status, |
| ACPI_WALK_STATE *WalkState, |
| ACPI_PARSE_OBJECT *Op) |
| { |
| ACPI_PARSE_OBJECT *Next; |
| ACPI_THREAD_STATE *Thread; |
| ACPI_WALK_STATE *NextWalkState; |
| ACPI_NAMESPACE_NODE *PreviousMethod = NULL; |
| ACPI_OPERAND_OBJECT *MethodDesc; |
| |
| |
| ACPI_FUNCTION_TRACE (DsDumpMethodStack); |
| |
| /* Ignore control codes, they are not errors */ |
| |
| if ((Status & AE_CODE_MASK) == AE_CODE_CONTROL) |
| { |
| return_VOID; |
| } |
| |
| /* We may be executing a deferred opcode */ |
| |
| if (WalkState->DeferredNode) |
| { |
| ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, |
| "Executing subtree for Buffer/Package/Region\n")); |
| return_VOID; |
| } |
| |
| /* |
| * If there is no Thread, we are not actually executing a method. |
| * This can happen when the iASL compiler calls the interpreter |
| * to perform constant folding. |
| */ |
| Thread = WalkState->Thread; |
| if (!Thread) |
| { |
| return_VOID; |
| } |
| |
| /* Display exception and method name */ |
| |
| ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, |
| "\n**** Exception %s during execution of method ", |
| AcpiFormatException (Status))); |
| |
| AcpiDsPrintNodePathname (WalkState->MethodNode, NULL); |
| |
| /* Display stack of executing methods */ |
| |
| ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DISPATCH, |
| "\n\nMethod Execution Stack:\n")); |
| NextWalkState = Thread->WalkStateList; |
| |
| /* Walk list of linked walk states */ |
| |
| while (NextWalkState) |
| { |
| MethodDesc = NextWalkState->MethodDesc; |
| if (MethodDesc) |
| { |
| AcpiExStopTraceMethod ( |
| (ACPI_NAMESPACE_NODE *) MethodDesc->Method.Node, |
| MethodDesc, WalkState); |
| } |
| |
| ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, |
| " Method [%4.4s] executing: ", |
| AcpiUtGetNodeName (NextWalkState->MethodNode))); |
| |
| /* First method is the currently executing method */ |
| |
| if (NextWalkState == WalkState) |
| { |
| if (Op) |
| { |
| /* Display currently executing ASL statement */ |
| |
| Next = Op->Common.Next; |
| Op->Common.Next = NULL; |
| |
| #ifdef ACPI_DISASSEMBLER |
| AcpiDmDisassemble (NextWalkState, Op, ACPI_UINT32_MAX); |
| #endif |
| Op->Common.Next = Next; |
| } |
| } |
| else |
| { |
| /* |
| * This method has called another method |
| * NOTE: the method call parse subtree is already deleted at |
| * this point, so we cannot disassemble the method invocation. |
| */ |
| ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DISPATCH, "Call to method ")); |
| AcpiDsPrintNodePathname (PreviousMethod, NULL); |
| } |
| |
| PreviousMethod = NextWalkState->MethodNode; |
| NextWalkState = NextWalkState->Next; |
| ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DISPATCH, "\n")); |
| } |
| |
| return_VOID; |
| } |
| |
| #else |
| |
| void |
| AcpiDsDumpMethodStack ( |
| ACPI_STATUS Status, |
| ACPI_WALK_STATE *WalkState, |
| ACPI_PARSE_OBJECT *Op) |
| { |
| return; |
| } |
| |
| #endif |
