[PATCH 09/42] ACPICA: Split interpreter tracing functions to a new file

[Lv Zheng <lv.zheng@intel.com>]

From: Bob Moore <robert.moore@intel.com>

ACPICA commit a3f85a7d26a52ee0d9103feb4fbec8d7b6ba4c11

Split out functions from exdebug.c to extrace.c

Link: https://github.com/acpica/acpica/commit/a3f85a7d
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
---
 drivers/acpi/acpica/Makefile  |    3 +-
 drivers/acpi/acpica/exdebug.c |  325 -----------------------------------
 drivers/acpi/acpica/extrace.c |  377 +++++++++++++++++++++++++++++++++++++++++
 3 files changed, 379 insertions(+), 326 deletions(-)
 create mode 100644 drivers/acpi/acpica/extrace.c

diff --git a/drivers/acpi/acpica/Makefile b/drivers/acpi/acpica/Makefile
index 885936f..e75f401 100644
--- a/drivers/acpi/acpica/Makefile
+++ b/drivers/acpi/acpica/Makefile
@@ -50,6 +50,7 @@ acpi-y +=		\
 	exdump.o	\
 	exfield.o	\
 	exfldio.o	\
+	exmisc.o	\
 	exmutex.o	\
 	exnames.o	\
 	exoparg1.o	\
@@ -57,7 +58,6 @@ acpi-y +=		\
 	exoparg3.o	\
 	exoparg6.o	\
 	exprep.o	\
-	exmisc.o	\
 	exregion.o	\
 	exresnte.o	\
 	exresolv.o	\
@@ -66,6 +66,7 @@ acpi-y +=		\
 	exstoren.o	\
 	exstorob.o	\
 	exsystem.o	\
+	extrace.o	\
 	exutils.o
 
 acpi-y +=		\
diff --git a/drivers/acpi/acpica/exdebug.c b/drivers/acpi/acpica/exdebug.c
index 665a4b9..815442b 100644
--- a/drivers/acpi/acpica/exdebug.c
+++ b/drivers/acpi/acpica/exdebug.c
@@ -43,21 +43,11 @@
 
 #include <acpi/acpi.h>
 #include "accommon.h"
-#include "acnamesp.h"
 #include "acinterp.h"
-#include "acparser.h"
 
 #define _COMPONENT          ACPI_EXECUTER
 ACPI_MODULE_NAME("exdebug")
 
-static union acpi_operand_object *acpi_gbl_trace_method_object = NULL;
-
-/* Local prototypes */
-
-#ifdef ACPI_DEBUG_OUTPUT
-static const char *acpi_ex_get_trace_event_name(acpi_trace_event_type type);
-#endif
-
 #ifndef ACPI_NO_ERROR_MESSAGES
 /*******************************************************************************
  *
@@ -80,7 +70,6 @@ static const char *acpi_ex_get_trace_event_name(acpi_trace_event_type type);
  * enabled if necessary.
  *
  ******************************************************************************/
-
 void
 acpi_ex_do_debug_object(union acpi_operand_object *source_desc,
 			u32 level, u32 index)
@@ -319,317 +308,3 @@ acpi_ex_do_debug_object(union acpi_operand_object *source_desc,
 	return_VOID;
 }
 #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)
-{
-
-	/* Check if tracing is enabled */
-
-	if (!(acpi_gbl_trace_flags & ACPI_TRACE_ENABLED)) {
-		return (FALSE);
-	}
-
-	/*
-	 * Check if tracing is filtered:
-	 *
-	 * 1. If the tracer is started, acpi_gbl_trace_method_object should have
-	 *    been filled by the trace starter
-	 * 2. If the tracer is not started, acpi_gbl_trace_method_name should be
-	 *    matched if it is specified
-	 * 3. If the tracer is oneshot style, acpi_gbl_trace_method_name should
-	 *    not be cleared by the trace stopper during the first match
-	 */
-	if (acpi_gbl_trace_method_object) {
-		return (TRUE);
-	}
-	if (name &&
-	    (acpi_gbl_trace_method_name &&
-	     strcmp(acpi_gbl_trace_method_name, name))) {
-		return (FALSE);
-	}
-	if ((acpi_gbl_trace_flags & ACPI_TRACE_ONESHOT) &&
-	    !acpi_gbl_trace_method_name) {
-		return (FALSE);
-	}
-
-	return (TRUE);
-}
-
-/*******************************************************************************
- *
- * 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)
-{
-	switch (type) {
-	case ACPI_TRACE_AML_METHOD:
-
-		return "Method";
-
-	case ACPI_TRACE_AML_OPCODE:
-
-		return "Opcode";
-
-	case ACPI_TRACE_AML_REGION:
-
-		return "Region";
-
-	default:
-
-		return "";
-	}
-}
-
-#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)
-{
-
-	ACPI_FUNCTION_NAME(ex_trace_point);
-
-	if (pathname) {
-		ACPI_DEBUG_PRINT((ACPI_DB_TRACE_POINT,
-				  "%s %s [0x%p:%s] execution.\n",
-				  acpi_ex_get_trace_event_name(type),
-				  begin ? "Begin" : "End", aml, pathname));
-	} else {
-		ACPI_DEBUG_PRINT((ACPI_DB_TRACE_POINT,
-				  "%s %s [0x%p] execution.\n",
-				  acpi_ex_get_trace_event_name(type),
-				  begin ? "Begin" : "End", aml));
-	}
-}
-
-/*******************************************************************************
- *
- * 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)
-{
-	acpi_status status;
-	char *pathname = NULL;
-	u8 enabled = FALSE;
-
-	ACPI_FUNCTION_NAME(ex_start_trace_method);
-
-	if (method_node) {
-		pathname = acpi_ns_get_normalized_pathname(method_node, TRUE);
-	}
-
-	status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
-	if (ACPI_FAILURE(status)) {
-		goto exit;
-	}
-
-	enabled = acpi_ex_interpreter_trace_enabled(pathname);
-	if (enabled && !acpi_gbl_trace_method_object) {
-		acpi_gbl_trace_method_object = obj_desc;
-		acpi_gbl_original_dbg_level = acpi_dbg_level;
-		acpi_gbl_original_dbg_layer = acpi_dbg_layer;
-		acpi_dbg_level = ACPI_TRACE_LEVEL_ALL;
-		acpi_dbg_layer = ACPI_TRACE_LAYER_ALL;
-
-		if (acpi_gbl_trace_dbg_level) {
-			acpi_dbg_level = acpi_gbl_trace_dbg_level;
-		}
-		if (acpi_gbl_trace_dbg_layer) {
-			acpi_dbg_layer = acpi_gbl_trace_dbg_layer;
-		}
-	}
-
-	(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
-
-exit:
-	if (enabled) {
-		ACPI_TRACE_POINT(ACPI_TRACE_AML_METHOD, TRUE,
-				 obj_desc ? obj_desc->method.aml_start : NULL,
-				 pathname);
-	}
-	if (pathname) {
-		ACPI_FREE(pathname);
-	}
-}
-
-/*******************************************************************************
- *
- * 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)
-{
-	acpi_status status;
-	char *pathname = NULL;
-	u8 enabled;
-
-	ACPI_FUNCTION_NAME(ex_stop_trace_method);
-
-	if (method_node) {
-		pathname = acpi_ns_get_normalized_pathname(method_node, TRUE);
-	}
-
-	status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
-	if (ACPI_FAILURE(status)) {
-		goto exit_path;
-	}
-
-	enabled = acpi_ex_interpreter_trace_enabled(NULL);
-
-	(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
-
-	if (enabled) {
-		ACPI_TRACE_POINT(ACPI_TRACE_AML_METHOD, FALSE,
-				 obj_desc ? obj_desc->method.aml_start : NULL,
-				 pathname);
-	}
-
-	status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
-	if (ACPI_FAILURE(status)) {
-		goto exit_path;
-	}
-
-	/* Check whether the tracer should be stopped */
-
-	if (acpi_gbl_trace_method_object == obj_desc) {
-
-		/* Disable further tracing if type is one-shot */
-
-		if (acpi_gbl_trace_flags & ACPI_TRACE_ONESHOT) {
-			acpi_gbl_trace_method_name = NULL;
-		}
-
-		acpi_dbg_level = acpi_gbl_original_dbg_level;
-		acpi_dbg_layer = acpi_gbl_original_dbg_layer;
-		acpi_gbl_trace_method_object = NULL;
-	}
-
-	(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
-
-exit_path:
-	if (pathname) {
-		ACPI_FREE(pathname);
-	}
-}
-
-/*******************************************************************************
- *
- * 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)
-{
-
-	ACPI_FUNCTION_NAME(ex_start_trace_opcode);
-
-	if (acpi_ex_interpreter_trace_enabled(NULL) &&
-	    (acpi_gbl_trace_flags & ACPI_TRACE_OPCODE)) {
-		ACPI_TRACE_POINT(ACPI_TRACE_AML_OPCODE, TRUE,
-				 op->common.aml, op->common.aml_op_name);
-	}
-}
-
-/*******************************************************************************
- *
- * 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)
-{
-
-	ACPI_FUNCTION_NAME(ex_stop_trace_opcode);
-
-	if (acpi_ex_interpreter_trace_enabled(NULL) &&
-	    (acpi_gbl_trace_flags & ACPI_TRACE_OPCODE)) {
-		ACPI_TRACE_POINT(ACPI_TRACE_AML_OPCODE, FALSE,
-				 op->common.aml, op->common.aml_op_name);
-	}
-}
diff --git a/drivers/acpi/acpica/extrace.c b/drivers/acpi/acpica/extrace.c
new file mode 100644
index 0000000..e4a185e
--- /dev/null
+++ b/drivers/acpi/acpica/extrace.c
@@ -0,0 +1,377 @@
+/******************************************************************************
+ *
+ * Module Name: extrace - Support for interpreter execution tracing
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2015, 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 "acnamesp.h"
+#include "acinterp.h"
+
+#define _COMPONENT          ACPI_EXECUTER
+ACPI_MODULE_NAME("extrace")
+
+static union acpi_operand_object *acpi_gbl_trace_method_object = NULL;
+
+/* 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)
+{
+
+	/* Check if tracing is enabled */
+
+	if (!(acpi_gbl_trace_flags & ACPI_TRACE_ENABLED)) {
+		return (FALSE);
+	}
+
+	/*
+	 * Check if tracing is filtered:
+	 *
+	 * 1. If the tracer is started, acpi_gbl_trace_method_object should have
+	 *    been filled by the trace starter
+	 * 2. If the tracer is not started, acpi_gbl_trace_method_name should be
+	 *    matched if it is specified
+	 * 3. If the tracer is oneshot style, acpi_gbl_trace_method_name should
+	 *    not be cleared by the trace stopper during the first match
+	 */
+	if (acpi_gbl_trace_method_object) {
+		return (TRUE);
+	}
+
+	if (name &&
+	    (acpi_gbl_trace_method_name &&
+	     strcmp(acpi_gbl_trace_method_name, name))) {
+		return (FALSE);
+	}
+
+	if ((acpi_gbl_trace_flags & ACPI_TRACE_ONESHOT) &&
+	    !acpi_gbl_trace_method_name) {
+		return (FALSE);
+	}
+
+	return (TRUE);
+}
+
+/*******************************************************************************
+ *
+ * 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)
+{
+
+	switch (type) {
+	case ACPI_TRACE_AML_METHOD:
+
+		return "Method";
+
+	case ACPI_TRACE_AML_OPCODE:
+
+		return "Opcode";
+
+	case ACPI_TRACE_AML_REGION:
+
+		return "Region";
+
+	default:
+
+		return "";
+	}
+}
+
+#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)
+{
+
+	ACPI_FUNCTION_NAME(ex_trace_point);
+
+	if (pathname) {
+		ACPI_DEBUG_PRINT((ACPI_DB_TRACE_POINT,
+				  "%s %s [0x%p:%s] execution.\n",
+				  acpi_ex_get_trace_event_name(type),
+				  begin ? "Begin" : "End", aml, pathname));
+	} else {
+		ACPI_DEBUG_PRINT((ACPI_DB_TRACE_POINT,
+				  "%s %s [0x%p] execution.\n",
+				  acpi_ex_get_trace_event_name(type),
+				  begin ? "Begin" : "End", aml));
+	}
+}
+
+/*******************************************************************************
+ *
+ * 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)
+{
+	acpi_status status;
+	char *pathname = NULL;
+	u8 enabled = FALSE;
+
+	ACPI_FUNCTION_NAME(ex_start_trace_method);
+
+	if (method_node) {
+		pathname = acpi_ns_get_normalized_pathname(method_node, TRUE);
+	}
+
+	status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+	if (ACPI_FAILURE(status)) {
+		goto exit;
+	}
+
+	enabled = acpi_ex_interpreter_trace_enabled(pathname);
+	if (enabled && !acpi_gbl_trace_method_object) {
+		acpi_gbl_trace_method_object = obj_desc;
+		acpi_gbl_original_dbg_level = acpi_dbg_level;
+		acpi_gbl_original_dbg_layer = acpi_dbg_layer;
+		acpi_dbg_level = ACPI_TRACE_LEVEL_ALL;
+		acpi_dbg_layer = ACPI_TRACE_LAYER_ALL;
+
+		if (acpi_gbl_trace_dbg_level) {
+			acpi_dbg_level = acpi_gbl_trace_dbg_level;
+		}
+
+		if (acpi_gbl_trace_dbg_layer) {
+			acpi_dbg_layer = acpi_gbl_trace_dbg_layer;
+		}
+	}
+
+	(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+
+exit:
+	if (enabled) {
+		ACPI_TRACE_POINT(ACPI_TRACE_AML_METHOD, TRUE,
+				 obj_desc ? obj_desc->method.aml_start : NULL,
+				 pathname);
+	}
+
+	if (pathname) {
+		ACPI_FREE(pathname);
+	}
+}
+
+/*******************************************************************************
+ *
+ * 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)
+{
+	acpi_status status;
+	char *pathname = NULL;
+	u8 enabled;
+
+	ACPI_FUNCTION_NAME(ex_stop_trace_method);
+
+	if (method_node) {
+		pathname = acpi_ns_get_normalized_pathname(method_node, TRUE);
+	}
+
+	status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+	if (ACPI_FAILURE(status)) {
+		goto exit_path;
+	}
+
+	enabled = acpi_ex_interpreter_trace_enabled(NULL);
+
+	(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+
+	if (enabled) {
+		ACPI_TRACE_POINT(ACPI_TRACE_AML_METHOD, FALSE,
+				 obj_desc ? obj_desc->method.aml_start : NULL,
+				 pathname);
+	}
+
+	status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+	if (ACPI_FAILURE(status)) {
+		goto exit_path;
+	}
+
+	/* Check whether the tracer should be stopped */
+
+	if (acpi_gbl_trace_method_object == obj_desc) {
+
+		/* Disable further tracing if type is one-shot */
+
+		if (acpi_gbl_trace_flags & ACPI_TRACE_ONESHOT) {
+			acpi_gbl_trace_method_name = NULL;
+		}
+
+		acpi_dbg_level = acpi_gbl_original_dbg_level;
+		acpi_dbg_layer = acpi_gbl_original_dbg_layer;
+		acpi_gbl_trace_method_object = NULL;
+	}
+
+	(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+
+exit_path:
+	if (pathname) {
+		ACPI_FREE(pathname);
+	}
+}
+
+/*******************************************************************************
+ *
+ * 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)
+{
+
+	ACPI_FUNCTION_NAME(ex_start_trace_opcode);
+
+	if (acpi_ex_interpreter_trace_enabled(NULL) &&
+	    (acpi_gbl_trace_flags & ACPI_TRACE_OPCODE)) {
+		ACPI_TRACE_POINT(ACPI_TRACE_AML_OPCODE, TRUE,
+				 op->common.aml, op->common.aml_op_name);
+	}
+}
+
+/*******************************************************************************
+ *
+ * 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)
+{
+
+	ACPI_FUNCTION_NAME(ex_stop_trace_opcode);
+
+	if (acpi_ex_interpreter_trace_enabled(NULL) &&
+	    (acpi_gbl_trace_flags & ACPI_TRACE_OPCODE)) {
+		ACPI_TRACE_POINT(ACPI_TRACE_AML_OPCODE, FALSE,
+				 op->common.aml, op->common.aml_op_name);
+	}
+}
-- 
1.7.10