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1// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.02/******************************************************************************3 *4 * Module Name: dsdebug - Parser/Interpreter interface - debugging5 *6 * Copyright (C) 2000 - 2023, Intel Corp.7 *8 *****************************************************************************/9 10#include <acpi/acpi.h>11#include "accommon.h"12#include "acdispat.h"13#include "acnamesp.h"14#ifdef ACPI_DISASSEMBLER15#include "acdisasm.h"16#endif17#include "acinterp.h"18 19#define _COMPONENT ACPI_DISPATCHER20ACPI_MODULE_NAME("dsdebug")21 22#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)23/* Local prototypes */24static void25acpi_ds_print_node_pathname(struct acpi_namespace_node *node,26 const char *message);27 28/*******************************************************************************29 *30 * FUNCTION: acpi_ds_print_node_pathname31 *32 * PARAMETERS: node - Object33 * message - Prefix message34 *35 * DESCRIPTION: Print an object's full namespace pathname36 * Manages allocation/freeing of a pathname buffer37 *38 ******************************************************************************/39 40static void41acpi_ds_print_node_pathname(struct acpi_namespace_node *node,42 const char *message)43{44 struct acpi_buffer buffer;45 acpi_status status;46 47 ACPI_FUNCTION_TRACE(ds_print_node_pathname);48 49 if (!node) {50 ACPI_DEBUG_PRINT_RAW((ACPI_DB_DISPATCH, "[NULL NAME]"));51 return_VOID;52 }53 54 /* Convert handle to full pathname and print it (with supplied message) */55 56 buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;57 58 status = acpi_ns_handle_to_pathname(node, &buffer, TRUE);59 if (ACPI_SUCCESS(status)) {60 if (message) {61 ACPI_DEBUG_PRINT_RAW((ACPI_DB_DISPATCH, "%s ",62 message));63 }64 65 ACPI_DEBUG_PRINT_RAW((ACPI_DB_DISPATCH, "[%s] (Node %p)",66 (char *)buffer.pointer, node));67 ACPI_FREE(buffer.pointer);68 }69 70 return_VOID;71}72 73/*******************************************************************************74 *75 * FUNCTION: acpi_ds_dump_method_stack76 *77 * PARAMETERS: status - Method execution status78 * walk_state - Current state of the parse tree walk79 * op - Executing parse op80 *81 * RETURN: None82 *83 * DESCRIPTION: Called when a method has been aborted because of an error.84 * Dumps the method execution stack.85 *86 ******************************************************************************/87 88void89acpi_ds_dump_method_stack(acpi_status status,90 struct acpi_walk_state *walk_state,91 union acpi_parse_object *op)92{93 union acpi_parse_object *next;94 struct acpi_thread_state *thread;95 struct acpi_walk_state *next_walk_state;96 struct acpi_namespace_node *previous_method = NULL;97 union acpi_operand_object *method_desc;98 99 ACPI_FUNCTION_TRACE(ds_dump_method_stack);100 101 /* Ignore control codes, they are not errors */102 103 if (ACPI_CNTL_EXCEPTION(status)) {104 return_VOID;105 }106 107 /* We may be executing a deferred opcode */108 109 if (walk_state->deferred_node) {110 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,111 "Executing subtree for Buffer/Package/Region\n"));112 return_VOID;113 }114 115 /*116 * If there is no Thread, we are not actually executing a method.117 * This can happen when the iASL compiler calls the interpreter118 * to perform constant folding.119 */120 thread = walk_state->thread;121 if (!thread) {122 return_VOID;123 }124 125 /* Display exception and method name */126 127 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,128 "\n**** Exception %s during execution of method ",129 acpi_format_exception(status)));130 131 acpi_ds_print_node_pathname(walk_state->method_node, NULL);132 133 /* Display stack of executing methods */134 135 ACPI_DEBUG_PRINT_RAW((ACPI_DB_DISPATCH,136 "\n\nMethod Execution Stack:\n"));137 next_walk_state = thread->walk_state_list;138 139 /* Walk list of linked walk states */140 141 while (next_walk_state) {142 method_desc = next_walk_state->method_desc;143 if (method_desc) {144 acpi_ex_stop_trace_method((struct acpi_namespace_node *)145 method_desc->method.node,146 method_desc, walk_state);147 }148 149 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,150 " Method [%4.4s] executing: ",151 acpi_ut_get_node_name(next_walk_state->152 method_node)));153 154 /* First method is the currently executing method */155 156 if (next_walk_state == walk_state) {157 if (op) {158 159 /* Display currently executing ASL statement */160 161 next = op->common.next;162 op->common.next = NULL;163 164#ifdef ACPI_DISASSEMBLER165 if (walk_state->method_node !=166 acpi_gbl_root_node) {167 168 /* More verbose if not module-level code */169 170 acpi_os_printf("Failed at ");171 acpi_dm_disassemble(next_walk_state, op,172 ACPI_UINT32_MAX);173 }174#endif175 op->common.next = next;176 }177 } else {178 /*179 * This method has called another method180 * NOTE: the method call parse subtree is already deleted at181 * this point, so we cannot disassemble the method invocation.182 */183 ACPI_DEBUG_PRINT_RAW((ACPI_DB_DISPATCH,184 "Call to method "));185 acpi_ds_print_node_pathname(previous_method, NULL);186 }187 188 previous_method = next_walk_state->method_node;189 next_walk_state = next_walk_state->next;190 ACPI_DEBUG_PRINT_RAW((ACPI_DB_DISPATCH, "\n"));191 }192 193 return_VOID;194}195 196#else197void198acpi_ds_dump_method_stack(acpi_status status,199 struct acpi_walk_state *walk_state,200 union acpi_parse_object *op)201{202 return;203}204 205#endif206