#ifndef SCFGCOMPILERS_H
#define SCFGCOMPILERS_H

/*
https://gcc-renesas.com/migration-guides/rx/index.html#Compiler_directives

https://gcc.gnu.org/onlinedocs/gcc/Function-Attributes.html
https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html
https://gcc.gnu.org/onlinedocs/gcc/RX-Function-Attributes.html

https://gcc.gnu.org/onlinedocs/gcc/Variable-Attributes.html
https://gcc.gnu.org/onlinedocs/gcc/Common-Variable-Attributes.html
*/

#if defined(__CCRX__)
    /* supported */
#elif defined(__GNUC__)
    /* supported */
#else
    #error "Unrecognized compiler"
#endif

#define R_PRAGMA(...) _Pragma(#__VA_ARGS__)

#if defined(__CCRX__)

#define R_PRAGMA_PACK       R_PRAGMA(pack)
#define R_PRAGMA_PACKOPTION R_PRAGMA(packoption)

#elif defined(__GNUC__)

#define R_PRAGMA_PACK       R_PRAGMA(pack(1))
#define R_PRAGMA_PACKOPTION R_PRAGMA(pack())

#endif

#if defined(__CCRX__)

#define R_PRAGMA_INTERRUPT(function_name, vector)           R_PRAGMA(interrupt function_name(vect=vector))\
extern void function_name(void);
#define R_PRAGMA_STATIC_INTERRUPT(function_name, vector)    R_PRAGMA(interrupt function_name(vect=vector))\
static void function_name(void);

//TODO: fast interrupt

#elif defined(__GNUC__)

#define R_PRAGMA_INTERRUPT(function_name, vector)           extern void function_name(void) __attribute__((interrupt(".rvectors", vector)));
#define R_PRAGMA_STATIC_INTERRUPT(function_name, vector)    static void function_name(void) __attribute__((interrupt(".rvectors", vector), used));

//TODO: fast interrupt

#endif

#define R_ATTRIB_INLINE        inline extern
#define R_ATTRIB_STATIC_INLINE inline static
#define R_PRAGMA_INLINE(function_prototype)        R_ATTRIB_INLINE function_prototype;
#define R_PRAGMA_STATIC_INLINE(function_prototype) R_ATTRIB_STATIC_INLINE function_prototype;

#if defined(__CCRX__)

    /* nothing to do */

#elif defined(__GNUC__)

#define __evenaccess /* none */

#endif

/*
https://gcc-renesas.com/migration-guides/rx/index.html#Compiler_predefined
*/

#if defined(__CCRX__)

    /* maybe nothing to do */

#elif defined(__GNUC__)

#define __RX 1

#if defined(__RX_LITTLE_ENDIAN__)
#define __LIT 1
#endif

#if defined(__RX_BIG_ENDIAN__)
#define __BIG 1
#endif

#endif

#endif /* SCFGCOMPILERS_H */