linux/drivers/acpi/acpica/extrace.c

// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
/******************************************************************************
 *
 * Module Name: extrace - Support for interpreter execution tracing
 *
 * Copyright (C) 2000 - 2023, Intel Corp.
 *
 *****************************************************************************/

#include <acpi/acpi.h>
#include "accommon.h"
#include "acnamesp.h"
#include "acinterp.h"

#define _COMPONENT
ACPI_MODULE_NAME("extrace")

static union acpi_operand_object *acpi_gbl_trace_method_object =;

/* Local prototypes */

#ifdef ACPI_DEBUG_OUTPUT
static const char *acpi_ex_get_trace_event_name(acpi_trace_event_type type);
#endif

/*******************************************************************************
 *
 * FUNCTION:    acpi_ex_interpreter_trace_enabled
 *
 * PARAMETERS:  name                - Whether method name should be matched,
 *                                    this should be checked before starting
 *                                    the tracer
 *
 * RETURN:      TRUE if interpreter trace is enabled.
 *
 * DESCRIPTION: Check whether interpreter trace is enabled
 *
 ******************************************************************************/

static u8 acpi_ex_interpreter_trace_enabled(char *name)
{}

/*******************************************************************************
 *
 * FUNCTION:    acpi_ex_get_trace_event_name
 *
 * PARAMETERS:  type            - Trace event type
 *
 * RETURN:      Trace event name.
 *
 * DESCRIPTION: Used to obtain the full trace event name.
 *
 ******************************************************************************/

#ifdef ACPI_DEBUG_OUTPUT

static const char *acpi_ex_get_trace_event_name(acpi_trace_event_type type)
{}

#endif

/*******************************************************************************
 *
 * FUNCTION:    acpi_ex_trace_point
 *
 * PARAMETERS:  type                - Trace event type
 *              begin               - TRUE if before execution
 *              aml                 - Executed AML address
 *              pathname            - Object path
 *
 * RETURN:      None
 *
 * DESCRIPTION: Internal interpreter execution trace.
 *
 ******************************************************************************/

void
acpi_ex_trace_point(acpi_trace_event_type type,
		    u8 begin, u8 *aml, char *pathname)
{}

/*******************************************************************************
 *
 * FUNCTION:    acpi_ex_start_trace_method
 *
 * PARAMETERS:  method_node         - Node of the method
 *              obj_desc            - The method object
 *              walk_state          - current state, NULL if not yet executing
 *                                    a method.
 *
 * RETURN:      None
 *
 * DESCRIPTION: Start control method execution trace
 *
 ******************************************************************************/

void
acpi_ex_start_trace_method(struct acpi_namespace_node *method_node,
			   union acpi_operand_object *obj_desc,
			   struct acpi_walk_state *walk_state)
{}

/*******************************************************************************
 *
 * FUNCTION:    acpi_ex_stop_trace_method
 *
 * PARAMETERS:  method_node         - Node of the method
 *              obj_desc            - The method object
 *              walk_state          - current state, NULL if not yet executing
 *                                    a method.
 *
 * RETURN:      None
 *
 * DESCRIPTION: Stop control method execution trace
 *
 ******************************************************************************/

void
acpi_ex_stop_trace_method(struct acpi_namespace_node *method_node,
			  union acpi_operand_object *obj_desc,
			  struct acpi_walk_state *walk_state)
{}

/*******************************************************************************
 *
 * FUNCTION:    acpi_ex_start_trace_opcode
 *
 * PARAMETERS:  op                  - The parser opcode object
 *              walk_state          - current state, NULL if not yet executing
 *                                    a method.
 *
 * RETURN:      None
 *
 * DESCRIPTION: Start opcode execution trace
 *
 ******************************************************************************/

void
acpi_ex_start_trace_opcode(union acpi_parse_object *op,
			   struct acpi_walk_state *walk_state)
{}

/*******************************************************************************
 *
 * FUNCTION:    acpi_ex_stop_trace_opcode
 *
 * PARAMETERS:  op                  - The parser opcode object
 *              walk_state          - current state, NULL if not yet executing
 *                                    a method.
 *
 * RETURN:      None
 *
 * DESCRIPTION: Stop opcode execution trace
 *
 ******************************************************************************/

void
acpi_ex_stop_trace_opcode(union acpi_parse_object *op,
			  struct acpi_walk_state *walk_state)
{}