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/* stdarg/varargs support for the ARC */
/* Define __gnuc_va_list. */
#ifndef __GNUC_VA_LIST
#define __GNUC_VA_LIST
typedef void * __gnuc_va_list;
#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)
/* In GCC version 2, we want an ellipsis at the end of the declaration
of the argument list. GCC version 1 can't parse it. */
#if __GNUC__ > 1
#define __va_ellipsis ...
#else
#define __va_ellipsis
#endif
/* See arc_setup_incoming_varargs for reasons for the oddity in va_start. */
#ifdef _STDARG_H
#define va_start(AP, LASTARG) \
(AP = (__gnuc_va_list) ((int *) __builtin_next_arg (LASTARG) \
+ (__builtin_args_info (0) < 8 \
? (__builtin_args_info (0) & 1) \
: 0)))
#else
#define va_alist __builtin_va_alist
#define va_dcl int __builtin_va_alist; __va_ellipsis
#define va_start(AP) \
(AP = (__gnuc_va_list) ((int *) &__builtin_va_alist \
+ (__builtin_args_info (0) < 8 \
? (__builtin_args_info (0) & 1) \
: 0)))
#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(AP) ((void)0)
/* Avoid errors if compiling GCC v2 with GCC v1. */
#if __GNUC__ == 1
#define __extension__
#endif
/* All aggregates are passed by reference. All scalar types larger than 8
bytes are passed by reference. */
/* 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_rounded_size(TYPE) \
(((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))
#ifdef __big_endian__
#define va_arg(AP,TYPE) \
__extension__ \
(*({((__builtin_classify_type (*(TYPE*) 0) >= __record_type_class \
|| __va_rounded_size (TYPE) > 8) \
? ((AP) = (char *)(AP) + __va_rounded_size (TYPE *), \
*(TYPE **) (void *) ((char *)(AP) - __va_rounded_size (TYPE *))) \
: ((TYPE *) (void *) \
(AP = (void *) ((__alignof__ (TYPE) > 4 \
? ((int) AP + 8 - 1) & -8 \
: (int) AP) \
+ __va_rounded_size (TYPE))) - 1));}))
#else
#define va_arg(AP,TYPE) \
__extension__ \
(*({((__builtin_classify_type (*(TYPE*) 0) >= __record_type_class \
|| __va_rounded_size (TYPE) > 8) \
? ((AP) = (char *)(AP) + __va_rounded_size (TYPE *), \
*(TYPE **) (void *) ((char *)(AP) - __va_rounded_size (TYPE *))) \
: ((AP = (void *) ((__alignof__ (TYPE) > 4 \
? ((int) AP + 8 - 1) & -8 \
: (int) AP) \
+ __va_rounded_size (TYPE))), \
(TYPE *) (void *) (AP - __va_rounded_size (TYPE))));}))
#endif
#endif /* defined (_STDARG_H) || defined (_VARARGS_H) */
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