nrf_rpc_common.h

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/*
 * Copyright (c) 2020 Nordic Semiconductor ASA
 *
 * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 */
 
#ifndef _NRF_RPC_COMMON_H_
#define _NRF_RPC_COMMON_H_
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define __NRF_RPC_CONCAT(_x, _y) _x ## _y
 
#define NRF_RPC_CONCAT(_x, _y) \
        __NRF_RPC_CONCAT(_x, _y)
 
#define __NRF_RPC_STRINGIFY(_x) #_x
 
#define NRF_RPC_STRINGIFY(_x) \
        __NRF_RPC_STRINGIFY(_x)
 
#define NRF_RPC_CONTAINER_OF(_ptr, _type, _field_name) \
        ((_type *)(((uint8_t *)_ptr) - offsetof(_type, _field_name)))
 
#ifdef __GNUC__
#define __NRF_RPC_STATIC_ASSERT(_expr, _msg) \
        _Static_assert(_expr, _msg)
#else
#define __NRF_RPC_STATIC_ASSERT(_expr, _msg) \
        extern char (*_ignore(void))
#endif /* __GNUC__ */
 
#define NRF_RPC_STATIC_ASSERT(_expr, _msg) \
        __NRF_RPC_STATIC_ASSERT(_expr, _msg)
 
#if defined(__ASSERT)
#define __NRF_RPC_ASSERT(_expr) __ASSERT(_expr, "nRF RPC assertion failed")
#else
#include <assert.h>
#define __NRF_RPC_ASSERT assert
#endif
 
#define NRF_RPC_ASSERT(_expr) \
        __NRF_RPC_ASSERT(_expr)
 
#define NRF_RPC_AUTO_ARR(_name, _array_key)                                    \
        const uint8_t NRF_RPC_CONCAT(_name, _auto_arr_end) __used              \
        __attribute__((__section__(".nrf_rpc." _array_key ".c")));             \
        const uint8_t *const _name __used                                      \
        __attribute__((__section__(".nrf_rpc." _array_key ".a"))) =            \
                &NRF_RPC_CONCAT(_name, _auto_arr_end)
 
#define NRF_RPC_AUTO_ARR_ITEM(_type, _name, _array_key, _item_key)             \
        _type _name __used                                                     \
        __attribute__((__section__(".nrf_rpc." _array_key ".b." _item_key)))
 
#define NRF_RPC_AUTO_ARR_FOR(_it, _var, _array_ptr, _type)                     \
        (_var) = (_type *)((const uint8_t *const *)(_array_ptr) + 1);          \
                (const uint8_t *const)_var <                                   \
                        *(const uint8_t *const *)(_array_ptr);                 \
                (_var) = (_type *)(_var) + 1, (void)_it
 
#define NRF_RPC_AUTO_ARR_GET(_array_ptr, _index, _type)                        \
        (((_type *)((const uint8_t *const *)(_array_ptr) + 1))[_index])
 
#ifdef __cplusplus
}
#endif
 
#endif /* _NRF_RPC_COMMON_H_ */