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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;
#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)
#ifdef __LITTLE_ENDIAN__
#define __LITTLE_ENDIAN_P 1
#else
#define __LITTLE_ENDIAN_P 0
#endif
#define __SCALAR_TYPE(TYPE) \
((TYPE) == __integer_type_class \
|| (TYPE) == __char_type_class \
|| (TYPE) == __enumeral_type_class)
/* 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. */
/* When this is a smaller-than-int integer, using
auto-increment in the promoted (SImode) is fastest;
however, there is no way to express that is C. Therefore,
we use an asm.
We want the MEM_IN_STRUCT_P bit set in the emitted RTL, therefore we
use unions even when it would otherwise be unnecessary. */
#define __va_arg_sh1(AP, TYPE) __extension__ \
__extension__ \
({(sizeof (TYPE) == 1 \
? ({union {TYPE t; char c;} __t; \
asm("" \
: "=r" (__t.c) \
: "0" ((((union { int i, j; } *) (AP))++)->i)); \
__t.t;}) \
: sizeof (TYPE) == 2 \
? ({union {TYPE t; short s;} __t; \
asm("" \
: "=r" (__t.s) \
: "0" ((((union { int i, j; } *) (AP))++)->i)); \
__t.t;}) \
: sizeof (TYPE) >= 4 || __LITTLE_ENDIAN_P \
? (((union { TYPE t; int i;} *) (AP))++)->t \
: ((union {TYPE t;TYPE u;}*) ((char *)++(int *)(AP) - sizeof (TYPE)))->t);})
#ifdef __SH3E__
#define __PASS_AS_FLOAT(TYPE_CLASS,SIZE) \
(TYPE_CLASS == __real_type_class && SIZE == 4)
#define va_arg(pvar,TYPE) \
__extension__ \
({int __type = __builtin_classify_type (* (TYPE *) 0); \
void * __result_p; \
if (__PASS_AS_FLOAT (__type, sizeof(TYPE))) \
{ \
if (pvar.__va_next_fp < pvar.__va_next_fp_limit) \
{ \
__result_p = &pvar.__va_next_fp; \
} \
else \
__result_p = &pvar.__va_next_stack; \
} \
else \
{ \
if (pvar.__va_next_o + ((sizeof (TYPE) + 3) / 4) \
<= pvar.__va_next_o_limit) \
__result_p = &pvar.__va_next_o; \
else \
{ \
if (sizeof (TYPE) > 4) \
pvar.__va_next_o = pvar.__va_next_o_limit; \
\
__result_p = &pvar.__va_next_stack; \
} \
} \
__va_arg_sh1(*(void **)__result_p, TYPE);})
#else /* ! SH3E */
#define va_arg(AP, TYPE) __va_arg_sh1((AP), TYPE)
#endif /* SH3E */
/* Copy __gnuc_va_list into another variable of this type. */
#define __va_copy(dest, src) (dest) = (src)
#endif /* defined (_STDARG_H) || defined (_VARARGS_H) */
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