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258 lines
7.5 KiB
C
258 lines
7.5 KiB
C
/******************************************************************************
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*
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* Module Name: dsdebug - Parser/Interpreter interface - debugging
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*
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*****************************************************************************/
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/*
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* Copyright (C) 2000 - 2020, 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 "acpi.h"
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#include "accommon.h"
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#include "acdispat.h"
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#include "acnamesp.h"
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#include "acdisasm.h"
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#include "acinterp.h"
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#define _COMPONENT ACPI_DISPATCHER
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ACPI_MODULE_NAME ("dsdebug")
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#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
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/* Local prototypes */
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static void
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AcpiDsPrintNodePathname (
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ACPI_NAMESPACE_NODE *Node,
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const char *Message);
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/*******************************************************************************
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*
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* FUNCTION: AcpiDsPrintNodePathname
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*
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* PARAMETERS: Node - Object
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* Message - Prefix message
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*
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* DESCRIPTION: Print an object's full namespace pathname
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* Manages allocation/freeing of a pathname buffer
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*
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******************************************************************************/
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static void
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AcpiDsPrintNodePathname (
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ACPI_NAMESPACE_NODE *Node,
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const char *Message)
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{
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ACPI_BUFFER Buffer;
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ACPI_STATUS Status;
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ACPI_FUNCTION_TRACE (DsPrintNodePathname);
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if (!Node)
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{
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ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DISPATCH, "[NULL NAME]"));
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return_VOID;
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}
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/* Convert handle to full pathname and print it (with supplied message) */
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Buffer.Length = ACPI_ALLOCATE_LOCAL_BUFFER;
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Status = AcpiNsHandleToPathname (Node, &Buffer, TRUE);
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if (ACPI_SUCCESS (Status))
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{
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if (Message)
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{
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ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DISPATCH, "%s ", Message));
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}
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ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DISPATCH, "[%s] (Node %p)",
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(char *) Buffer.Pointer, Node));
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ACPI_FREE (Buffer.Pointer);
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}
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return_VOID;
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDsDumpMethodStack
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*
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* PARAMETERS: Status - Method execution status
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* WalkState - Current state of the parse tree walk
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* Op - Executing parse op
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*
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* RETURN: None
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*
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* DESCRIPTION: Called when a method has been aborted because of an error.
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* Dumps the method execution stack.
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*
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******************************************************************************/
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void
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AcpiDsDumpMethodStack (
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ACPI_STATUS Status,
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ACPI_WALK_STATE *WalkState,
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ACPI_PARSE_OBJECT *Op)
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{
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ACPI_PARSE_OBJECT *Next;
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ACPI_THREAD_STATE *Thread;
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ACPI_WALK_STATE *NextWalkState;
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ACPI_NAMESPACE_NODE *PreviousMethod = NULL;
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ACPI_OPERAND_OBJECT *MethodDesc;
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ACPI_FUNCTION_TRACE (DsDumpMethodStack);
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/* Ignore control codes, they are not errors */
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if (ACPI_CNTL_EXCEPTION (Status))
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{
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return_VOID;
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}
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/* We may be executing a deferred opcode */
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if (WalkState->DeferredNode)
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{
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ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
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"Executing subtree for Buffer/Package/Region\n"));
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return_VOID;
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}
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/*
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* If there is no Thread, we are not actually executing a method.
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* This can happen when the iASL compiler calls the interpreter
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* to perform constant folding.
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*/
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Thread = WalkState->Thread;
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if (!Thread)
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{
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return_VOID;
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}
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/* Display exception and method name */
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ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
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"\n**** Exception %s during execution of method ",
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AcpiFormatException (Status)));
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AcpiDsPrintNodePathname (WalkState->MethodNode, NULL);
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/* Display stack of executing methods */
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ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DISPATCH,
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"\n\nMethod Execution Stack:\n"));
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NextWalkState = Thread->WalkStateList;
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/* Walk list of linked walk states */
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while (NextWalkState)
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{
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MethodDesc = NextWalkState->MethodDesc;
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if (MethodDesc)
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{
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AcpiExStopTraceMethod (
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(ACPI_NAMESPACE_NODE *) MethodDesc->Method.Node,
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MethodDesc, WalkState);
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}
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ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
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" Method [%4.4s] executing: ",
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AcpiUtGetNodeName (NextWalkState->MethodNode)));
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/* First method is the currently executing method */
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if (NextWalkState == WalkState)
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{
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if (Op)
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{
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/* Display currently executing ASL statement */
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Next = Op->Common.Next;
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Op->Common.Next = NULL;
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#ifdef ACPI_DISASSEMBLER
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if (WalkState->MethodNode != AcpiGbl_RootNode)
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{
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/* More verbose if not module-level code */
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AcpiOsPrintf ("Failed at ");
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AcpiDmDisassemble (NextWalkState, Op, ACPI_UINT32_MAX);
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}
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#endif
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Op->Common.Next = Next;
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}
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}
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else
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{
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/*
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* This method has called another method
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* NOTE: the method call parse subtree is already deleted at
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* this point, so we cannot disassemble the method invocation.
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*/
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ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DISPATCH, "Call to method "));
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AcpiDsPrintNodePathname (PreviousMethod, NULL);
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}
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PreviousMethod = NextWalkState->MethodNode;
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NextWalkState = NextWalkState->Next;
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ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DISPATCH, "\n"));
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}
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return_VOID;
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}
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#else
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void
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AcpiDsDumpMethodStack (
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ACPI_STATUS Status,
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ACPI_WALK_STATE *WalkState,
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ACPI_PARSE_OBJECT *Op)
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{
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return;
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}
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#endif
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