124 lines
3.7 KiB
C
124 lines
3.7 KiB
C
/*
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* Copyright (c) 2018 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_INCLUDE_LOGGING_LOG_INSTANCE_H_
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#define ZEPHYR_INCLUDE_LOGGING_LOG_INSTANCE_H_
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#include <zephyr/types.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** @brief Constant data associated with the source of log messages. */
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struct log_source_const_data {
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const char *name;
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u8_t level;
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#ifdef CONFIG_NIOS2
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/* Workaround alert! Dummy data to ensure that structure is >8 bytes.
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* Nios2 uses global pointer register for structures <=8 bytes and
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* apparently does not handle well variables placed in custom sections.
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*/
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u32_t dummy;
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#endif
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};
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/** @brief Dynamic data associated with the source of log messages. */
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struct log_source_dynamic_data {
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u32_t filters;
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#ifdef CONFIG_NIOS2
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/* Workaround alert! Dummy data to ensure that structure is >8 bytes.
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* Nios2 uses global pointer register for structures <=8 bytes and
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* apparently does not handle well variables placed in custom sections.
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*/
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u32_t dummy[2];
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#endif
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};
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/** @brief Creates name of variable and section for constant log data.
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*
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* @param _name Name.
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*/
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#define LOG_ITEM_CONST_DATA(_name) UTIL_CAT(log_const_, _name)
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#define Z_LOG_CONST_ITEM_REGISTER(_name, _str_name, _level) \
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const struct log_source_const_data LOG_ITEM_CONST_DATA(_name) \
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__attribute__ ((section("." STRINGIFY(LOG_ITEM_CONST_DATA(_name))))) \
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__attribute__((used)) = { \
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.name = _str_name, \
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.level = (_level), \
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}
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/** @def LOG_INSTANCE_PTR_DECLARE
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* @brief Macro for declaring a logger instance pointer in the module structure.
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*/
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/** @def LOG_INSTANCE_REGISTER
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* @brief Macro for registering instance for logging with independent filtering.
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*
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* Module instance provides filtering of logs on instance level instead of
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* module level.
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*/
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/** @def LOG_INSTANCE_PTR_INIT
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* @brief Macro for initializing a pointer to the logger instance.
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*/
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/** @} */
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#ifdef CONFIG_LOG
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#define LOG_INSTANCE_FULL_NAME(_module_name, _inst_name) \
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UTIL_CAT(_module_name, UTIL_CAT(_, _inst_name))
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#if CONFIG_LOG_RUNTIME_FILTERING
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#define LOG_INSTANCE_PTR_DECLARE(_name) \
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struct log_source_dynamic_data *_name
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#define LOG_INSTANCE_REGISTER(_module_name, _inst_name, _level) \
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Z_LOG_CONST_ITEM_REGISTER( \
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LOG_INSTANCE_FULL_NAME(_module_name, _inst_name), \
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STRINGIFY(_module_name._inst_name), \
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_level); \
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struct log_source_dynamic_data LOG_INSTANCE_DYNAMIC_DATA( \
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_module_name, _inst_name) \
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__attribute__ ((section("." STRINGIFY( \
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LOG_INSTANCE_DYNAMIC_DATA(_module_name, \
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_inst_name) \
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) \
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))) __attribute__((used))
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#define LOG_INSTANCE_PTR_INIT(_name, _module_name, _inst_name) \
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._name = &LOG_ITEM_DYNAMIC_DATA( \
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LOG_INSTANCE_FULL_NAME(_module_name, _inst_name)),
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#else /* CONFIG_LOG_RUNTIME_FILTERING */
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#define LOG_INSTANCE_PTR_DECLARE(_name) \
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const struct log_source_const_data *_name
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#define LOG_INSTANCE_REGISTER(_module_name, _inst_name, _level) \
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Z_LOG_CONST_ITEM_REGISTER( \
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LOG_INSTANCE_FULL_NAME(_module_name, _inst_name), \
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STRINGIFY(_module_name._inst_name), \
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_level)
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#define LOG_INSTANCE_PTR_INIT(_name, _module_name, _inst_name) \
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._name = &LOG_ITEM_CONST_DATA( \
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LOG_INSTANCE_FULL_NAME(_module_name, _inst_name)),
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#endif /* CONFIG_LOG_RUNTIME_FILTERING */
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#else /* CONFIG_LOG */
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#define LOG_INSTANCE_PTR_DECLARE(_name) /* empty */
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#define LOG_INSTANCE_REGISTER(_module_name, _inst_name, _level) /* empty */
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#define LOG_INSTANCE_PTR_INIT(_name, _module_name, _inst_name) /* empty */
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* ZEPHYR_INCLUDE_LOGGING_LOG_INSTANCE_H_ */
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