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/*
* Copyright (c) 2016 Intel Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @file
* @brief APIs used to add or remove an object in a debug tracing list.
*/
#ifndef _OBJECT_TRACING_COMMON_H_
#define _OBJECT_TRACING_COMMON_H_
#ifndef CONFIG_OBJECT_TRACING
#define SYS_TRACING_OBJ_INIT(name, obj) do { } while ((0))
#define SYS_TRACING_OBJ_INIT_DLL(name, obj) do { } while ((0))
#define SYS_TRACING_OBJ_REMOVE_DLL(name, obj) do { } while ((0))
#else
/**
* @def SYS_TRACING_OBJ_INIT
*
* @brief Adds a new object into the trace list
*
* @details The object is added for tracing into a trace list. This is usually
* called at the moment of object initialization.
*
* @param name Name of the trace list.
* @param obj Object to be added in the trace list.
*/
#define SYS_TRACING_OBJ_INIT(name, obj) \
do { \
unsigned int key; \
\
key = irq_lock(); \
(obj)->__next = _trace_list_ ## name; \
_trace_list_ ## name = obj; \
irq_unlock(key); \
} \
while (0)
/**
* @def SYS_TRACING_OBJ_INIT_DLL
*
* @brief Adds a new object into the trace list as a double linked list.
*
* @details The object is added for tracing into a trace list. This is usually
* called at the moment of object initialization. This list is used for objects
* that can be removed from the tracing list dynamically.
*
* @param name Name of the trace list.
* @param obj Object to be added in the trace list.
*/
#define SYS_TRACING_OBJ_INIT_DLL(name, obj) \
do { \
unsigned int key; \
\
key = irq_lock(); \
if (_trace_list_ ## name) { \
_trace_list_ ## name->__prev = (obj); \
} \
(obj)->__next = _trace_list_ ## name; \
(obj)->__prev = NULL; \
_trace_list_ ## name = obj; \
irq_unlock(key); \
} \
while (0)
/**
* @def SYS_TRACING_OBJ_REMOVE_DLL
*
* @brief Removes an object from a double linked trace list.
*
* @details The object is remove from the trace list.
* It needs to be used with DEBUG_TRACING_OBJ_INIT_DLL as a pair.
*
* @param name Name of the trace list.
* @param obj Object to be removed from the trace list.
*/
#define SYS_TRACING_OBJ_REMOVE_DLL(name, obj) \
do { \
unsigned int key; \
\
key = irq_lock(); \
if (obj->__next) { \
obj->__next->__prev = (obj)->__prev; \
} \
if (obj->__prev) { \
obj->__prev->__next = (obj)->__next; \
} else { \
_trace_list_ ## name = (obj)->__next; \
} \
irq_unlock(key); \
} \
while (0)
struct ring_buf;
extern struct ring_buf *_trace_list_sys_ring_buf;
#endif /*CONFIG_OBJECT_TRACING*/
#endif /*_OBJECT_TRACING_COMMON_H_*/