cregit-Linux how code gets into the kernel

Release 4.11 drivers/acpi/acpica/dsdebug.c

/******************************************************************************
 *
 * Module Name: dsdebug - Parser/Interpreter interface - debugging
 *
 *****************************************************************************/

/*
 * Copyright (C) 2000 - 2017, 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/acpi.h>
#include "accommon.h"
#include "acdispat.h"
#include "acnamesp.h"
#ifdef ACPI_DISASSEMBLER
#include "acdisasm.h"
#endif
#include "acinterp.h"


#define _COMPONENT          ACPI_DISPATCHER
ACPI_MODULE_NAME("dsdebug")

#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
/* Local prototypes */
static void
acpi_ds_print_node_pathname(struct acpi_namespace_node *node,
			    const char *message);

/*******************************************************************************
 *
 * FUNCTION:    acpi_ds_print_node_pathname
 *
 * PARAMETERS:  node            - Object
 *              message         - Prefix message
 *
 * DESCRIPTION: Print an object's full namespace pathname
 *              Manages allocation/freeing of a pathname buffer
 *
 ******************************************************************************/


static void acpi_ds_print_node_pathname(struct acpi_namespace_node *node, const char *message) { struct acpi_buffer buffer; acpi_status status; ACPI_FUNCTION_TRACE(ds_print_node_pathname); 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 = acpi_ns_handle_to_pathname(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; }

Contributors

PersonTokensPropCommitsCommitProp
Lv Zheng119100.00%2100.00%
Total119100.00%2100.00%

/******************************************************************************* * * FUNCTION: acpi_ds_dump_method_stack * * PARAMETERS: status - Method execution status * walk_state - 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 acpi_ds_dump_method_stack(acpi_status status, struct acpi_walk_state *walk_state, union acpi_parse_object *op) { union acpi_parse_object *next; struct acpi_thread_state *thread; struct acpi_walk_state *next_walk_state; struct acpi_namespace_node *previous_method = NULL; union acpi_operand_object *method_desc; ACPI_FUNCTION_TRACE(ds_dump_method_stack); /* 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 (walk_state->deferred_node) { 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 = walk_state->thread; if (!thread) { return_VOID; } /* Display exception and method name */ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "\n**** Exception %s during execution of method ", acpi_format_exception(status))); acpi_ds_print_node_pathname(walk_state->method_node, NULL); /* Display stack of executing methods */ ACPI_DEBUG_PRINT_RAW((ACPI_DB_DISPATCH, "\n\nMethod Execution Stack:\n")); next_walk_state = thread->walk_state_list; /* Walk list of linked walk states */ while (next_walk_state) { method_desc = next_walk_state->method_desc; if (method_desc) { acpi_ex_stop_trace_method((struct acpi_namespace_node *) method_desc->method.node, method_desc, walk_state); } ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, " Method [%4.4s] executing: ", acpi_ut_get_node_name(next_walk_state-> method_node))); /* First method is the currently executing method */ if (next_walk_state == walk_state) { if (op) { /* Display currently executing ASL statement */ next = op->common.next; op->common.next = NULL; #ifdef ACPI_DISASSEMBLER acpi_dm_disassemble(next_walk_state, 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 ")); acpi_ds_print_node_pathname(previous_method, NULL); } previous_method = next_walk_state->method_node; next_walk_state = next_walk_state->next; ACPI_DEBUG_PRINT_RAW((ACPI_DB_DISPATCH, "\n")); } return_VOID; }

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PersonTokensPropCommitsCommitProp
Lv Zheng29099.66%375.00%
Robert Moore10.34%125.00%
Total291100.00%4100.00%

#else
void acpi_ds_dump_method_stack(acpi_status status, struct acpi_walk_state *walk_state, union acpi_parse_object *op) { return; }

Contributors

PersonTokensPropCommitsCommitProp
Lv Zheng19100.00%1100.00%
Total19100.00%1100.00%

#endif

Overall Contributors

PersonTokensPropCommitsCommitProp
Lv Zheng49399.60%466.67%
Robert Moore20.40%233.33%
Total495100.00%6100.00%
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