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#ifndef _STDARG_H

#define _STDARG_H

#ifdef __x86_64__

#ifndef _WIN64

//This should be in sync with the declaration on our lib/libtcc1.c

/* GCC compatible definition of va_list. */

typedef struct {

    unsigned int gp_offset;

    unsigned int fp_offset;

    union {

        unsigned int overflow_offset;

        char *overflow_arg_area;

    };

    char *reg_save_area;

} __va_list_struct;

typedef __va_list_struct va_list[1];

void __va_start(__va_list_struct *ap, void *fp);

void *__va_arg(__va_list_struct *ap, int arg_type, int size, int align);

#define va_start(ap, last) __va_start(ap, __builtin_frame_address(0))

#define va_arg(ap, type)                                                \

    (*(type *)(__va_arg(ap, __builtin_va_arg_types(type), sizeof(type), __alignof__(type))))

#define va_copy(dest, src) (*(dest) = *(src))

#define va_end(ap)

#else /* _WIN64 */

typedef char *va_list;

#define va_start(ap,last) __builtin_va_start(ap,last)

#define va_arg(ap,type) (ap += 8, sizeof(type)<=8 ? *(type*)ap : **(type**)ap)

#define va_copy(dest, src) ((dest) = (src))

#define va_end(ap)

#endif

#elif __arm__

typedef char *va_list;

#define _tcc_alignof(type) ((int)&((struct {char c;type x;} *)0)->x)

#define _tcc_align(addr,type) (((unsigned)addr + _tcc_alignof(type) - 1) \

                               & ~(_tcc_alignof(type) - 1))

#define va_start(ap,last) ap = ((char *)&(last)) + ((sizeof(last)+3)&~3)

#define va_arg(ap,type) (ap = (void *) ((_tcc_align(ap,type)+sizeof(type)+3) \

                        &~3), *(type *)(ap - ((sizeof(type)+3)&~3)))

#define va_copy(dest, src) (dest) = (src)

#define va_end(ap)

#elif defined(__aarch64__)

typedef struct {

    void *__stack;

    void *__gr_top;

    void *__vr_top;

    int   __gr_offs;

    int   __vr_offs;

} va_list;

#define va_start(ap, last) __va_start(ap, last)

#define va_arg(ap, type) __va_arg(ap, type)

#define va_end(ap)

#define va_copy(dest, src) ((dest) = (src))

#else /* __i386__ */

typedef char *va_list;

/* only correct for i386 */

#define va_start(ap,last) ap = ((char *)&(last)) + ((sizeof(last)+3)&~3)

#define va_arg(ap,type) (ap += (sizeof(type)+3)&~3, *(type *)(ap - ((sizeof(type)+3)&~3)))

#define va_copy(dest, src) (dest) = (src)

#define va_end(ap)

#endif

/* fix a buggy dependency on GCC in libio.h */

typedef va_list __gnuc_va_list;

#define _VA_LIST_DEFINED

#endif /* _STDARG_H */