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- /* GNU C varargs support for the Motorola 88100 */
-
- /* Define __gnuc_va_list. */
-
- #ifndef __GNUC_VA_LIST
- #define __GNUC_VA_LIST
-
- typedef struct
- {
- int __va_arg; /* argument number */
- int *__va_stk; /* start of args passed on stack */
- int *__va_reg; /* start of args passed in regs */
- } __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)
-
- #ifdef _STDARG_H /* stdarg.h support */
-
- #if __GNUC__ > 1 /* GCC 2.0 and beyond */
- #define va_start(AP,LASTARG) ((AP) = *(__gnuc_va_list *)__builtin_saveregs())
- #else
- #define va_start(AP,LASTARG) \
- ( (AP).__va_reg = (int *) __builtin_saveregs2(0), \
- (AP).__va_stk = (int *) __builtin_argptr(), \
- (AP).__va_arg = (int) (__builtin_argsize() + 3) / 4 )
- #endif
-
- #else /* varargs.h support */
-
- #if __GNUC__ > 1 /* GCC 2.0 and beyond */
- #define va_start(AP) ((AP) = *(__gnuc_va_list *)__builtin_saveregs())
- #else
- #define va_start(AP) \
- ( (AP).__va_reg = (int *) __builtin_saveregs2(1), \
- (AP).__va_stk = (int *) __builtin_argptr(), \
- (AP).__va_arg = (int) (__builtin_argsize() - 4 + 3) / 4 )
- #endif
- #define va_alist __va_1st_arg
- #define va_dcl register int va_alist;
-
- #endif /* _STDARG_H */
-
- /* Avoid trouble between this file and _int_varargs.h under DG/UX. This file
- can be included by <stdio.h> and others and provides definitions of
- __va_size and __va_reg_p and a va_list typedef. Avoid defining va_list
- again with _VA_LIST. */
- #ifdef __INT_VARARGS_H
- #undef __va_size
- #undef __va_reg_p
- #define __gnuc_va_list va_list
- #define _VA_LIST
- #define _VA_LIST_
- #else
- /* Similarly, if this gets included first, do nothing in _int_varargs.h. */
- #define __INT_VARARGS_H
- #endif
-
- #define __va_reg_p(TYPE) \
- (__builtin_classify_type(*(TYPE *)0) < 12 \
- ? sizeof(TYPE) <= 8 : sizeof(TYPE) == 4 && __alignof__(TYPE) == 4)
-
- #define __va_size(TYPE) ((sizeof(TYPE) + 3) >> 2)
-
- /* We cast to void * and then to TYPE * because this avoids
- a warning about increasing the alignment requirement. */
- #define va_arg(AP,TYPE) \
- ( (AP).__va_arg = (((AP).__va_arg + (1 << (__alignof__(TYPE) >> 3)) - 1) \
- & ~((1 << (__alignof__(TYPE) >> 3)) - 1)) \
- + __va_size(TYPE), \
- *((TYPE *) (void *) ((__va_reg_p(TYPE) \
- && (AP).__va_arg < 8 + __va_size(TYPE) \
- ? (AP).__va_reg : (AP).__va_stk) \
- + ((AP).__va_arg - __va_size(TYPE)))))
-
- #define va_end(AP)
-
- #endif /* defined (_STDARG_H) || defined (_VARARGS_H) */
-