233 lines
6.9 KiB
C
233 lines
6.9 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 - 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 <acpi/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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#ifdef ACPI_DISASSEMBLER
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#include "acdisasm.h"
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#endif
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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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acpi_ds_print_node_pathname(struct acpi_namespace_node *node,
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const char *message);
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/*******************************************************************************
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*
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* FUNCTION: acpi_ds_print_node_pathname
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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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acpi_ds_print_node_pathname(struct acpi_namespace_node *node,
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const char *message)
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{
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struct acpi_buffer buffer;
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acpi_status status;
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ACPI_FUNCTION_TRACE(ds_print_node_pathname);
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if (!node) {
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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 = acpi_ns_handle_to_pathname(node, &buffer, TRUE);
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if (ACPI_SUCCESS(status)) {
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if (message) {
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ACPI_DEBUG_PRINT_RAW((ACPI_DB_DISPATCH, "%s ",
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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: acpi_ds_dump_method_stack
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*
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* PARAMETERS: status - Method execution status
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* walk_state - 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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acpi_ds_dump_method_stack(acpi_status status,
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struct acpi_walk_state *walk_state,
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union acpi_parse_object *op)
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{
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union acpi_parse_object *next;
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struct acpi_thread_state *thread;
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struct acpi_walk_state *next_walk_state;
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struct acpi_namespace_node *previous_method = NULL;
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union acpi_operand_object *method_desc;
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ACPI_FUNCTION_TRACE(ds_dump_method_stack);
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/* Ignore control codes, they are not errors */
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if ((status & AE_CODE_MASK) == AE_CODE_CONTROL) {
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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 (walk_state->deferred_node) {
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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 = walk_state->thread;
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if (!thread) {
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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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acpi_format_exception(status)));
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acpi_ds_print_node_pathname(walk_state->method_node, 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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next_walk_state = thread->walk_state_list;
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/* Walk list of linked walk states */
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while (next_walk_state) {
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method_desc = next_walk_state->method_desc;
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if (method_desc) {
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acpi_ex_stop_trace_method((struct acpi_namespace_node *)
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method_desc->method.node,
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method_desc, walk_state);
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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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acpi_ut_get_node_name(next_walk_state->
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method_node)));
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/* First method is the currently executing method */
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if (next_walk_state == walk_state) {
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if (op) {
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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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acpi_dm_disassemble(next_walk_state, op,
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ACPI_UINT32_MAX);
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#endif
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op->common.next = next;
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}
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} else {
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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,
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"Call to method "));
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acpi_ds_print_node_pathname(previous_method, NULL);
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}
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previous_method = next_walk_state->method_node;
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next_walk_state = next_walk_state->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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acpi_ds_dump_method_stack(acpi_status status,
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struct acpi_walk_state *walk_state,
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union 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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