haiku/headers/build/gcc-2.95.3/va-sparc.h

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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
#if ! defined (__svr4__) && ! defined (__linux__) && ! defined (__arch64__)
/* This has to be a char * to be compatible with Sun.
i.e., we have to pass a `va_list' to vsprintf. */
typedef char * __gnuc_va_list;
#else
/* This has to be a void * to be compatible with Sun svr4.
i.e., we have to pass a `va_list' to vsprintf. */
typedef void * __gnuc_va_list;
#endif
#endif /* not __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
/* Call __builtin_next_arg even though we aren't using its value, so that
we can verify that LASTARG is correct. */
#if defined (__GCC_NEW_VARARGS__) || defined (__arch64__)
#define va_start(AP, LASTARG) \
(__builtin_next_arg (LASTARG), AP = (char *) __builtin_saveregs ())
#else
#define va_start(AP, LASTARG) \
(__builtin_saveregs (), AP = ((char *) __builtin_next_arg (LASTARG)))
#endif
#else
#define va_alist __builtin_va_alist
#define va_dcl int __builtin_va_alist;...
#if defined (__GCC_NEW_VARARGS__) || defined (__arch64__)
#define va_start(AP) ((AP) = (char *) __builtin_saveregs ())
#else
#define va_start(AP) \
(__builtin_saveregs (), (AP) = ((char *) &__builtin_va_alist))
#endif
#endif
#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)
/* Avoid errors if compiling GCC v2 with GCC v1. */
#if __GNUC__ == 1
#define __extension__
#endif
/* 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 __arch64__
typedef unsigned int __ptrint __attribute__ ((__mode__ (__DI__)));
/* ??? TODO: little endian support */
#define va_arg(pvar, TYPE) \
__extension__ \
(*({int __type = __builtin_classify_type (* (TYPE *) 0); \
char * __result; \
if (__type == __real_type_class) /* float? */ \
{ \
if (__alignof__ (TYPE) == 16) \
(pvar) = (void *) (((__ptrint) (pvar) + 15) & -16); \
__result = (pvar); \
(pvar) = (char *) (pvar) + sizeof (TYPE); \
} \
else if (__type < __record_type_class) /* integer? */ \
{ \
(pvar) = (char *) (pvar) + 8; \
__result = (char *) (pvar) - sizeof (TYPE); \
} \
else /* aggregate object */ \
{ \
if (sizeof (TYPE) <= 8) \
{ \
__result = (pvar); \
(pvar) = (char *) (pvar) + 8; \
} \
else if (sizeof (TYPE) <= 16) \
{ \
if (__alignof__ (TYPE) == 16) \
(pvar) = (void *) (((__ptrint) (pvar) + 15) & -16); \
__result = (pvar); \
(pvar) = (char *) (pvar) + 16; \
} \
else \
{ \
__result = * (void **) (pvar); \
(pvar) = (char *) (pvar) + 8; \
} \
} \
(TYPE *) __result;}))
#else /* not __arch64__ */
#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)))));}))
#endif /* not __arch64__ */
/* Copy __gnuc_va_list into another variable of this type. */
#define __va_copy(dest, src) (dest) = (src)
#endif /* defined (_STDARG_H) || defined (_VARARGS_H) */