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#if defined(__sparc__) || defined(__alpha__) || defined(__mips__)
enum {
__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
#if defined(__sparc__)
typedef char* va_list;
#define va_end(ap) ap=0
#define va_start(AP, LASTARG) \
(__builtin_next_arg (LASTARG), AP = (char *) __builtin_saveregs ())
#define __va_rounded_size(TYPE) \
(((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))
/* We don't declare the union member `d' to have type TYPE
because that would lose in C++ if TYPE has a constructor. */
/* We cast to void * and then to TYPE * because this avoids
a warning about increasing the alignment requirement.
The casts to char * avoid warnings about invalid pointer arithmetic. */
#define va_arg(pvar,TYPE) \
__extension__ \
(*({((__builtin_classify_type (*(TYPE*) 0) >= __record_type_class \
|| (__builtin_classify_type (*(TYPE*) 0) == __real_type_class \
&& sizeof (TYPE) == 16)) \
? ((pvar) = (char *)(pvar) + __va_rounded_size (TYPE *), \
*(TYPE **) (void *) ((char *)(pvar) - __va_rounded_size (TYPE *))) \
: __va_rounded_size (TYPE) == 8 \
? ({ union {char __d[sizeof (TYPE)]; int __i[2];} __u; \
__u.__i[0] = ((int *) (void *) (pvar))[0]; \
__u.__i[1] = ((int *) (void *) (pvar))[1]; \
(pvar) = (char *)(pvar) + 8; \
(TYPE *) (void *) __u.__d; }) \
: ((pvar) = (char *)(pvar) + __va_rounded_size (TYPE), \
((TYPE *) (void *) ((char *)(pvar) - __va_rounded_size (TYPE)))));}))
#elif defined(__mips__)
typedef char * va_list;
#ifdef __mips64
#define __va_rounded_size(__TYPE) \
(((sizeof (__TYPE) + 8 - 1) / 8) * 8)
#else
#define __va_rounded_size(__TYPE) \
(((sizeof (__TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))
#endif
#ifdef __mips64
#define __va_reg_size 8
#else
#define __va_reg_size 4
#endif
#define va_start(__AP, __LASTARG) \
(__AP = (va_list) __builtin_next_arg (__LASTARG))
#ifdef __mips64
#ifdef __MIPSEB__
#define va_arg(__AP, __type) \
((__type *) (void *) (__AP = (char *) \
((((__PTRDIFF_TYPE__)__AP + 8 - 1) & -8) \
+ __va_rounded_size (__type))))[-1]
#else
#define va_arg(__AP, __type) \
((__AP = (char *) ((((__PTRDIFF_TYPE__)__AP + 8 - 1) & -8) \
+ __va_rounded_size (__type))), \
*(__type *) (void *) (__AP - __va_rounded_size (__type)))
#endif
#else /* not __mips64 */
#ifdef __MIPSEB__
/* For big-endian machines. */
#define va_arg(__AP, __type) \
((__AP = (char *) ((__alignof__ (__type) > 4 \
? ((__PTRDIFF_TYPE__)__AP + 8 - 1) & -8 \
: ((__PTRDIFF_TYPE__)__AP + 4 - 1) & -4) \
+ __va_rounded_size (__type))), \
*(__type *) (void *) (__AP - __va_rounded_size (__type)))
#else
/* For little-endian machines. */
#define va_arg(__AP, __type) \
((__type *) (void *) (__AP = (char *) ((__alignof__(__type) > 4 \
? ((__PTRDIFF_TYPE__)__AP + 8 - 1) & -8 \
: ((__PTRDIFF_TYPE__)__AP + 4 - 1) & -4) \
+ __va_rounded_size(__type))))[-1]
#endif
#endif
#elif defined(__powerpc__)
typedef struct __va_list_tag {
unsigned char gpr; /* index into the array of 8 GPRs stored in the
register save area gpr=0 corresponds to r3,
gpr=1 to r4, etc. */
unsigned char fpr; /* index into the array of 8 FPRs stored in the
register save area fpr=0 corresponds to f1,
fpr=1 to f2, etc. */
char *overflow_arg_area; /* location on stack that holds the next
overflow argument */
char *reg_save_area; /* where r3:r10 and f1:f8, if saved are stored */
} va_list[1];
#define __va_overflow(AP) (AP)->overflow_arg_area
#ifdef __OPTIMIZE__
extern void __va_arg_type_violation(void) __attribute__((__noreturn__));
#else
#define __va_arg_type_violation()
#endif
typedef struct {
long __gp_save[8]; /* save area for GP registers */
double __fp_save[8]; /* save area for FP registers */
} __va_regsave_t;
/* Macros to access the register save area */
/* We cast to void * and then to TYPE * because this avoids
a warning about increasing the alignment requirement. */
#define __VA_FP_REGSAVE(AP,OFS,TYPE) \
((TYPE *) (void *) (&(((__va_regsave_t *) \
(AP)->reg_save_area)->__fp_save[OFS])))
#define __VA_GP_REGSAVE(AP,OFS,TYPE) \
((TYPE *) (void *) (&(((__va_regsave_t *) \
(AP)->reg_save_area)->__gp_save[OFS])))
#define __va_start_common(AP, FAKE) \
__builtin_memcpy ((AP), __builtin_saveregs (), sizeof(va_list))
#define va_start(AP,LASTARG) \
(__builtin_next_arg (LASTARG), __va_start_common (AP, 0))
#ifdef _SOFT_FLOAT
#define __va_float_p(TYPE) 0
#else
#define __va_float_p(TYPE) (__builtin_classify_type(*(TYPE *)0) == 8)
#endif
#define __va_aggregate_p(TYPE) (__builtin_classify_type(*(TYPE *)0) >= 12)
#define __va_size(TYPE) ((sizeof(TYPE) + sizeof (long) - 1) / sizeof (long))
#define va_arg(AP,TYPE) \
__extension__ (*({ \
register TYPE *__ptr; \
\
if (__va_float_p (TYPE) && sizeof (TYPE) < 16) \
{ \
unsigned char __fpr = (AP)->fpr; \
if (__fpr < 8) \
{ \
__ptr = __VA_FP_REGSAVE (AP, __fpr, TYPE); \
(AP)->fpr = __fpr + 1; \
} \
else if (sizeof (TYPE) == 8) \
{ \
unsigned long __addr = (unsigned long) (__va_overflow (AP)); \
__ptr = (TYPE *)((__addr + 7) & -8); \
__va_overflow (AP) = (char *)(__ptr + 1); \
} \
else \
{ \
/* float is promoted to double. */ \
__va_arg_type_violation (); \
} \
} \
\
/* Aggregates and long doubles are passed by reference. */ \
else if (__va_aggregate_p (TYPE) || __va_float_p (TYPE)) \
{ \
unsigned char __gpr = (AP)->gpr; \
if (__gpr < 8) \
{ \
__ptr = * __VA_GP_REGSAVE (AP, __gpr, TYPE *); \
(AP)->gpr = __gpr + 1; \
} \
else \
{ \
TYPE **__pptr = (TYPE **) (__va_overflow (AP)); \
__ptr = * __pptr; \
__va_overflow (AP) = (char *) (__pptr + 1); \
} \
} \
\
/* Only integrals remaining. */ \
else \
{ \
/* longlong is aligned. */ \
if (sizeof (TYPE) == 8) \
{ \
unsigned char __gpr = (AP)->gpr; \
if (__gpr < 7) \
{ \
__gpr += __gpr & 1; \
__ptr = __VA_GP_REGSAVE (AP, __gpr, TYPE); \
(AP)->gpr = __gpr + 2; \
} \
else \
{ \
unsigned long __addr = (unsigned long) (__va_overflow (AP)); \
__ptr = (TYPE *)((__addr + 7) & -8); \
(AP)->gpr = 8; \
__va_overflow (AP) = (char *)(__ptr + 1); \
} \
} \
else if (sizeof (TYPE) == 4) \
{ \
unsigned char __gpr = (AP)->gpr; \
if (__gpr < 8) \
{ \
__ptr = __VA_GP_REGSAVE (AP, __gpr, TYPE); \
(AP)->gpr = __gpr + 1; \
} \
else \
{ \
__ptr = (TYPE *) __va_overflow (AP); \
__va_overflow (AP) = (char *)(__ptr + 1); \
} \
} \
else \
{ \
/* Everything else was promoted to int. */ \
__va_arg_type_violation (); \
} \
} \
__ptr; \
}))
#define va_end(AP) ((void)0)
/* Copy va_list into another variable of this type. */
#define __va_copy(dest, src) *(dest) = *(src)
#elif defined(__alpha__)
typedef struct {
char *__base; /* Pointer to first integer register. */
int __offset; /* Byte offset of args so far. */
} va_list;
#define va_start(pvar, firstarg) \
(__builtin_next_arg (firstarg), \
(pvar) = *(va_list *) __builtin_saveregs ())
#define va_end(__va) ((void) 0)
#define __va_tsize(__type) \
(((sizeof (__type) + __extension__ sizeof (long long) - 1) \
/ __extension__ sizeof (long long)) * __extension__ sizeof (long long))
#define va_arg(__va, __type) \
(*(((__va).__offset += __va_tsize (__type)), \
(__type *)(void *)((__va).__base + (__va).__offset \
- (((__builtin_classify_type (* (__type *) 0) \
== __real_type_class) && (__va).__offset <= (6 * 8)) \
? (6 * 8) + 8 : __va_tsize (__type)))))
#else /* !__sparc__ && !__powerpc__ && !__mips__ && !__alpha__*/
typedef char* va_list;
/* this only works when everything is passed on the stack (i.e. x86) */
#if __WORDSIZE == 64
#define va_start(ap,argn) ap=((char*)&argn)+8
#else
#define va_start(ap,argn) ap=((char*)&argn)+4
#endif
#define va_arg(ap,type) (ap+=sizeof(type), *(type*)((void*)ap-sizeof(type)))
#endif
#ifndef __va_copy
#define __va_copy(x,y) x=y
#endif
#ifndef va_end
#define va_end(ap) ((void)0)
#endif
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