owner-nrf52sdk/nRF5_SDK_15.3.0/modules/nrfx/mdk/compiler_abstraction.h

/*

Copyright (c) 2010 - 2018, Nordic Semiconductor ASA

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.

2. Redistributions in binary form, except as embedded into a Nordic
   Semiconductor ASA integrated circuit in a product or a software update for
   such product, must reproduce the above copyright notice, this list of
   conditions and the following disclaimer in the documentation and/or other
   materials provided with the distribution.

3. Neither the name of Nordic Semiconductor ASA nor the names of its
   contributors may be used to endorse or promote products derived from this
   software without specific prior written permission.

4. This software, with or without modification, must only be used with a
   Nordic Semiconductor ASA integrated circuit.

5. Any software provided in binary form under this license must not be reverse
   engineered, decompiled, modified and/or disassembled.

THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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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 DAMAGE.

*/

#ifndef _COMPILER_ABSTRACTION_H
#define _COMPILER_ABSTRACTION_H

/*lint ++flb "Enter library region" */

#if defined ( __CC_ARM )

    #ifndef __ASM
        #define __ASM               __asm
    #endif

    #ifndef __INLINE
        #define __INLINE            __inline
    #endif

    #ifndef __WEAK
        #define __WEAK              __weak
    #endif

    #ifndef __ALIGN
        #define __ALIGN(n)          __align(n)
    #endif

    #ifndef __PACKED
        #define __PACKED            __packed
    #endif

    #define GET_SP()                __current_sp()
    
#elif defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)

    #ifndef __ASM
        #define __ASM               __asm
    #endif

    #ifndef __INLINE
        #define __INLINE            __inline
    #endif

    #ifndef __WEAK
        #define __WEAK              __attribute__((weak))
    #endif

    #ifndef __ALIGN
        #define __ALIGN(n)          __attribute__((aligned(n)))
    #endif

    #ifndef __PACKED
        #define __PACKED            __attribute__((packed, aligned(1)))
    #endif

    #define GET_SP()                __current_sp()

#elif defined ( __ICCARM__ )

    #ifndef __ASM
        #define __ASM               __asm
    #endif

    #ifndef __INLINE
        #define __INLINE            inline
    #endif

    #ifndef __WEAK
        #define __WEAK              __weak
    #endif

    #ifndef __ALIGN
        #define STRING_PRAGMA(x) _Pragma(#x)
        #define __ALIGN(n) STRING_PRAGMA(data_alignment = n)
    #endif

    #ifndef __PACKED
        #define __PACKED            __packed
    #endif
    
    #define GET_SP()                __get_SP()

#elif defined   ( __GNUC__ )

    #ifndef __ASM
        #define __ASM               __asm
    #endif

    #ifndef __INLINE
        #define __INLINE            inline
    #endif

    #ifndef __WEAK
        #define __WEAK              __attribute__((weak))
    #endif

    #ifndef __ALIGN
        #define __ALIGN(n)          __attribute__((aligned(n)))
    #endif

    #ifndef __PACKED
        #define __PACKED           __attribute__((packed)) 
    #endif

    #define GET_SP()                gcc_current_sp()

    static inline unsigned int gcc_current_sp(void)
    {
        register unsigned sp __ASM("sp");
        return sp;
    }

#elif defined   ( __TASKING__ )

    #ifndef __ASM
        #define __ASM               __asm
    #endif

    #ifndef __INLINE
        #define __INLINE            inline
    #endif

    #ifndef __WEAK
        #define __WEAK              __attribute__((weak))
    #endif

    #ifndef __ALIGN
        #define __ALIGN(n)          __align(n)
    #endif
    
    /* Not defined for TASKING. */
    #ifndef __PACKED
        #define __PACKED
    #endif

    #define GET_SP()                __get_MSP()

#endif

/*lint --flb "Leave library region" */

#endif