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/* This is just like the default gvarargs.h
except for differences described below. */
/* Define __gnuc_va_list. */
#ifndef __GNUC_VA_LIST
#define __GNUC_VA_LIST
#ifdef __SH3E__
typedef long __va_greg;
typedef double __va_freg;
typedef struct {
__va_greg * __va_next_o; /* next available register */
__va_greg * __va_next_o_limit; /* past last available register */
__va_freg * __va_next_fp; /* next available fp register */
__va_freg * __va_next_fp_limit; /* last available fp register */
__va_greg * __va_next_stack; /* next extended word on stack */
} __gnuc_va_list;
#else /* ! SH3E */
typedef void *__gnuc_va_list;
#define __va_rounded_size(TYPE) \
(((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))
#endif /* ! SH3E */
#endif /* __GNUC_VA_LIST */
/* If this is for internal libc use, don't define anything but
__gnuc_va_list. */
#if defined (_STDARG_H) || defined (_VARARGS_H)
#ifdef _STDARG_H
#ifdef __SH3E__
#define va_start(AP, LASTARG) \
__extension__ \
({ \
AP.__va_next_fp = (__va_freg *) __builtin_saveregs (); \
AP.__va_next_fp_limit = (AP.__va_next_fp + \
(__builtin_args_info (1) < 8 ? 8 - __builtin_args_info (1) : 0)); \
AP.__va_next_o = (__va_greg *) AP.__va_next_fp_limit; \
AP.__va_next_o_limit = (AP.__va_next_o + \
(__builtin_args_info (0) < 4 ? 4 - __builtin_args_info (0) : 0)); \
AP.__va_next_stack = (__va_greg *) __builtin_next_arg (LASTARG); \
})
#else /* ! SH3E */
#define va_start(AP, LASTARG) \
(AP = ((__gnuc_va_list) __builtin_next_arg (LASTARG)))
#endif /* ! SH3E */
#else /* _VARARGS_H */
#define va_alist __builtin_va_alist
#define va_dcl int __builtin_va_alist;...
#ifdef __SH3E__
#define va_start(AP) \
__extension__ \
({ \
AP.__va_next_fp = (__va_freg *) __builtin_saveregs (); \
AP.__va_next_fp_limit = (AP.__va_next_fp + \
(__builtin_args_info (1) < 8 ? 8 - __builtin_args_info (1) : 0)); \
AP.__va_next_o = (__va_greg *) AP.__va_next_fp_limit; \
AP.__va_next_o_limit = (AP.__va_next_o + \
(__builtin_args_info (0) < 4 ? 4 - __builtin_args_info (0) : 0)); \
AP.__va_next_stack = (__va_greg *) __builtin_next_arg (__builtin_va_alist) \
- (__builtin_args_info (0) >= 4 || __builtin_args_info (1) >= 8 ? 1 : 0); \
})
#else /* ! SH3E */
#define va_start(AP) AP=(char *) &__builtin_va_alist
#endif /* ! SH3E */
#endif /* _STDARG */
#ifndef va_end
void va_end (__gnuc_va_list); /* Defined in libgcc.a */
/* Values returned by __builtin_classify_type. */
enum __va_type_classes {
__no_type_class = -1,
__void_type_class,
__integer_type_class,
__char_type_class,
__enumeral_type_class,
__boolean_type_class,
__pointer_type_class,
__reference_type_class,
__offset_type_class,
__real_type_class,
__complex_type_class,
__function_type_class,
__method_type_class,
__record_type_class,
__union_type_class,
__array_type_class,
__string_type_class,
__set_type_class,
__file_type_class,
__lang_type_class
};
#endif
#define va_end(pvar) ((void)0)
/* RECORD_TYPE args passed using the C calling convention are
passed by invisible reference. ??? RECORD_TYPE args passed
in the stack are made to be word-aligned; for an aggregate that is
not word-aligned, we advance the pointer to the first non-reg slot. */
#ifdef __SH3E__
#ifdef __LITTLE_ENDIAN__
#define va_arg(pvar,TYPE) \
__extension__ \
(*({int __type = __builtin_classify_type (* (TYPE *) 0); \
void * __result; \
if (__type == __real_type_class && sizeof(TYPE) == 4) \
/* float? */ \
{ \
__va_freg *__r; \
if (pvar.__va_next_fp < pvar.__va_next_fp_limit) \
__r = (__va_freg *) pvar.__va_next_fp++; \
else \
__r = (__va_freg *) pvar.__va_next_stack++; \
__result = (char *) __r; \
} \
else \
{ \
__va_greg *_r; \
if (pvar.__va_next_o + ((sizeof (TYPE) + 3) / 4) \
<= pvar.__va_next_o_limit) \
{ \
_r = pvar.__va_next_o; \
pvar.__va_next_o += (sizeof (TYPE) + 3) / 4; \
} \
else \
{ \
_r = pvar.__va_next_stack; \
pvar.__va_next_stack += (sizeof (TYPE) + 3) / 4; \
} \
__result = (char *) _r; \
} \
(TYPE *) __result;}))
#else /* ! __LITTLE_ENDIAN__ */
#define va_arg(pvar,TYPE) \
__extension__ \
(*({int __type = __builtin_classify_type (* (TYPE *) 0); \
void * __result; \
if (__type == __real_type_class && sizeof(TYPE) == 4) \
/* float? */ \
{ \
__va_freg *__r; \
if (pvar.__va_next_fp < pvar.__va_next_fp_limit) \
__r = (__va_freg *) pvar.__va_next_fp++; \
else \
__r = (__va_freg *) pvar.__va_next_stack++; \
__result = (char *) __r; \
} \
else \
{ \
__va_greg *_r; \
if (pvar.__va_next_o + ((sizeof (TYPE) + 3) / 4) \
<= pvar.__va_next_o_limit) \
{ \
pvar.__va_next_o += (sizeof (TYPE) + 3) / 4; \
_r = pvar.__va_next_o; \
} \
else \
{ \
pvar.__va_next_stack += (sizeof (TYPE) + 3) / 4; \
_r = pvar.__va_next_stack; \
} \
__result = ((char *) _r \
- (sizeof (TYPE) < 4 ? sizeof (TYPE) \
: ((sizeof (TYPE) + 3) / 4) * 4)); \
} \
(TYPE *) __result;}))
#endif /* __LITTLE_ENDIAN__ */
#else /* ! SH3E */
#ifdef __LITTLE_ENDIAN__
/* This is for little-endian machines; small args are padded upward. */
#define va_arg(AP, TYPE) \
(AP = (__gnuc_va_list) ((char *) (AP) + __va_rounded_size (TYPE)), \
*((TYPE *) (void *) ((char *) (AP) - __va_rounded_size (TYPE))))
#else /* ! __LITTLE_ENDIAN__ */
/* This is for big-endian machines; small args are padded downward. */
#define va_arg(AP, TYPE) \
(AP = (__gnuc_va_list) ((char *) (AP) + __va_rounded_size (TYPE)), \
*((TYPE *) (void *) ((char *) (AP) \
- ((sizeof (TYPE) < __va_rounded_size (char) \
? sizeof (TYPE) : __va_rounded_size (TYPE))))))
#endif /* __LITTLE_ENDIAN__ */
#endif /* SH3E */
#endif /* defined (_STDARG_H) || defined (_VARARGS_H) */
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