linux/drivers/acpi/acpica/utdebug.c

// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
/******************************************************************************
 *
 * Module Name: utdebug - Debug print/trace routines
 *
 * Copyright (C) 2000 - 2023, Intel Corp.
 *
 *****************************************************************************/

#define EXPORT_ACPI_INTERFACES

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

#define _COMPONENT …
ACPI_MODULE_NAME("utdebug")

#ifdef ACPI_DEBUG_OUTPUT
static acpi_thread_id acpi_gbl_previous_thread_id = …;
static const char *acpi_gbl_function_entry_prefix = …;
static const char *acpi_gbl_function_exit_prefix = …;

/*******************************************************************************
 *
 * FUNCTION:    acpi_ut_init_stack_ptr_trace
 *
 * PARAMETERS:  None
 *
 * RETURN:      None
 *
 * DESCRIPTION: Save the current CPU stack pointer at subsystem startup
 *
 ******************************************************************************/

void acpi_ut_init_stack_ptr_trace(void)
{ … }

/*******************************************************************************
 *
 * FUNCTION:    acpi_ut_track_stack_ptr
 *
 * PARAMETERS:  None
 *
 * RETURN:      None
 *
 * DESCRIPTION: Save the current CPU stack pointer
 *
 ******************************************************************************/

void acpi_ut_track_stack_ptr(void)
{ … }

/*******************************************************************************
 *
 * FUNCTION:    acpi_ut_trim_function_name
 *
 * PARAMETERS:  function_name       - Ascii string containing a procedure name
 *
 * RETURN:      Updated pointer to the function name
 *
 * DESCRIPTION: Remove the "Acpi" prefix from the function name, if present.
 *              This allows compiler macros such as __func__ to be used
 *              with no change to the debug output.
 *
 ******************************************************************************/

static const char *acpi_ut_trim_function_name(const char *function_name)
{ … }

/*******************************************************************************
 *
 * FUNCTION:    acpi_debug_print
 *
 * PARAMETERS:  requested_debug_level - Requested debug print level
 *              line_number         - Caller's line number (for error output)
 *              function_name       - Caller's procedure name
 *              module_name         - Caller's module name
 *              component_id        - Caller's component ID
 *              format              - Printf format field
 *              ...                 - Optional printf arguments
 *
 * RETURN:      None
 *
 * DESCRIPTION: Print error message with prefix consisting of the module name,
 *              line number, and component ID.
 *
 ******************************************************************************/

void ACPI_INTERNAL_VAR_XFACE
acpi_debug_print(u32 requested_debug_level,
		 u32 line_number,
		 const char *function_name,
		 const char *module_name,
		 u32 component_id, const char *format, ...)
{ … }

ACPI_EXPORT_SYMBOL(…)

/*******************************************************************************
 *
 * FUNCTION:    acpi_debug_print_raw
 *
 * PARAMETERS:  requested_debug_level - Requested debug print level
 *              line_number         - Caller's line number
 *              function_name       - Caller's procedure name
 *              module_name         - Caller's module name
 *              component_id        - Caller's component ID
 *              format              - Printf format field
 *              ...                 - Optional printf arguments
 *
 * RETURN:      None
 *
 * DESCRIPTION: Print message with no headers. Has same interface as
 *              debug_print so that the same macros can be used.
 *
 ******************************************************************************/
void ACPI_INTERNAL_VAR_XFACE
acpi_debug_print_raw(u32 requested_debug_level,
		     u32 line_number,
		     const char *function_name,
		     const char *module_name,
		     u32 component_id, const char *format, ...)
{ … }

ACPI_EXPORT_SYMBOL(…)

/*******************************************************************************
 *
 * FUNCTION:    acpi_ut_trace
 *
 * PARAMETERS:  line_number         - Caller's line number
 *              function_name       - Caller's procedure name
 *              module_name         - Caller's module name
 *              component_id        - Caller's component ID
 *
 * RETURN:      None
 *
 * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
 *              set in debug_level
 *
 ******************************************************************************/
void
acpi_ut_trace(u32 line_number,
	      const char *function_name,
	      const char *module_name, u32 component_id)
{ … }

ACPI_EXPORT_SYMBOL(…)

/*******************************************************************************
 *
 * FUNCTION:    acpi_ut_trace_ptr
 *
 * PARAMETERS:  line_number         - Caller's line number
 *              function_name       - Caller's procedure name
 *              module_name         - Caller's module name
 *              component_id        - Caller's component ID
 *              pointer             - Pointer to display
 *
 * RETURN:      None
 *
 * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
 *              set in debug_level
 *
 ******************************************************************************/
void
acpi_ut_trace_ptr(u32 line_number,
		  const char *function_name,
		  const char *module_name,
		  u32 component_id, const void *pointer)
{ … }

/*******************************************************************************
 *
 * FUNCTION:    acpi_ut_trace_str
 *
 * PARAMETERS:  line_number         - Caller's line number
 *              function_name       - Caller's procedure name
 *              module_name         - Caller's module name
 *              component_id        - Caller's component ID
 *              string              - Additional string to display
 *
 * RETURN:      None
 *
 * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
 *              set in debug_level
 *
 ******************************************************************************/

void
acpi_ut_trace_str(u32 line_number,
		  const char *function_name,
		  const char *module_name, u32 component_id, const char *string)
{ … }

/*******************************************************************************
 *
 * FUNCTION:    acpi_ut_trace_u32
 *
 * PARAMETERS:  line_number         - Caller's line number
 *              function_name       - Caller's procedure name
 *              module_name         - Caller's module name
 *              component_id        - Caller's component ID
 *              integer             - Integer to display
 *
 * RETURN:      None
 *
 * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
 *              set in debug_level
 *
 ******************************************************************************/

void
acpi_ut_trace_u32(u32 line_number,
		  const char *function_name,
		  const char *module_name, u32 component_id, u32 integer)
{ … }

/*******************************************************************************
 *
 * FUNCTION:    acpi_ut_exit
 *
 * PARAMETERS:  line_number         - Caller's line number
 *              function_name       - Caller's procedure name
 *              module_name         - Caller's module name
 *              component_id        - Caller's component ID
 *
 * RETURN:      None
 *
 * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
 *              set in debug_level
 *
 ******************************************************************************/

void
acpi_ut_exit(u32 line_number,
	     const char *function_name,
	     const char *module_name, u32 component_id)
{ … }

ACPI_EXPORT_SYMBOL(…)

/*******************************************************************************
 *
 * FUNCTION:    acpi_ut_status_exit
 *
 * PARAMETERS:  line_number         - Caller's line number
 *              function_name       - Caller's procedure name
 *              module_name         - Caller's module name
 *              component_id        - Caller's component ID
 *              status              - Exit status code
 *
 * RETURN:      None
 *
 * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
 *              set in debug_level. Prints exit status also.
 *
 ******************************************************************************/
void
acpi_ut_status_exit(u32 line_number,
		    const char *function_name,
		    const char *module_name,
		    u32 component_id, acpi_status status)
{ … }

ACPI_EXPORT_SYMBOL(…)

/*******************************************************************************
 *
 * FUNCTION:    acpi_ut_value_exit
 *
 * PARAMETERS:  line_number         - Caller's line number
 *              function_name       - Caller's procedure name
 *              module_name         - Caller's module name
 *              component_id        - Caller's component ID
 *              value               - Value to be printed with exit msg
 *
 * RETURN:      None
 *
 * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
 *              set in debug_level. Prints exit value also.
 *
 ******************************************************************************/
void
acpi_ut_value_exit(u32 line_number,
		   const char *function_name,
		   const char *module_name, u32 component_id, u64 value)
{ … }

ACPI_EXPORT_SYMBOL(…)

/*******************************************************************************
 *
 * FUNCTION:    acpi_ut_ptr_exit
 *
 * PARAMETERS:  line_number         - Caller's line number
 *              function_name       - Caller's procedure name
 *              module_name         - Caller's module name
 *              component_id        - Caller's component ID
 *              ptr                 - Pointer to display
 *
 * RETURN:      None
 *
 * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
 *              set in debug_level. Prints exit value also.
 *
 ******************************************************************************/
void
acpi_ut_ptr_exit(u32 line_number,
		 const char *function_name,
		 const char *module_name, u32 component_id, u8 *ptr)
{ … }

/*******************************************************************************
 *
 * FUNCTION:    acpi_ut_str_exit
 *
 * PARAMETERS:  line_number         - Caller's line number
 *              function_name       - Caller's procedure name
 *              module_name         - Caller's module name
 *              component_id        - Caller's component ID
 *              string              - String to display
 *
 * RETURN:      None
 *
 * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
 *              set in debug_level. Prints exit value also.
 *
 ******************************************************************************/

void
acpi_ut_str_exit(u32 line_number,
		 const char *function_name,
		 const char *module_name, u32 component_id, const char *string)
{ … }

/*******************************************************************************
 *
 * FUNCTION:    acpi_trace_point
 *
 * PARAMETERS:  type                - Trace event type
 *              begin               - TRUE if before execution
 *              aml                 - Executed AML address
 *              pathname            - Object path
 *              pointer             - Pointer to the related object
 *
 * RETURN:      None
 *
 * DESCRIPTION: Interpreter execution trace.
 *
 ******************************************************************************/

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

ACPI_EXPORT_SYMBOL(…)

#endif