home *** CD-ROM | disk | FTP | other *** search
- /* ---------------------------------------- */
- /* VARARGS for MIPS/GNU CC */
- /* */
- /* */
- /* */
- /* */
- /* ---------------------------------------- */
-
-
- /* These macros implement varargs for GNU C--either traditional or ANSU. */
-
- /* Define __gnuc_va_list. */
-
- #ifndef __GNUC_VA_LIST
- #define __GNUC_VA_LIST
- typedef char * __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
-
- #define __va_rounded_size(__TYPE) \
- (((sizeof (__TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))
-
- #ifdef _STDARG_H
- #define va_start(__AP, __LASTARG) \
- (__AP = ((char *) &(__LASTARG) + __va_rounded_size (__LASTARG)))
-
- #else
- #define va_alist __builtin_va_alist
- #define va_dcl int __builtin_va_alist; __va_ellipsis
- #define va_start(__AP) __AP = (char *) &__builtin_va_alist
- #endif
-
- #ifndef va_end
- void va_end (__gnuc_va_list); /* Defined in libgcc.a */
- #endif
- #define va_end(__AP)
-
- /* We cast to void * and then to TYPE * because this avoids
- a warning about increasing the alignment requirement. */
- #ifdef __MIPSEB__
- /* For big-endian machines. */
- #define va_arg(__AP, __type) \
- ((__AP = (char *) ((__alignof__ (__type) > 4 \
- ? ((int)__AP + 8 - 1) & -8 \
- : ((int)__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 \
- ? ((int)__AP + 8 - 1) & -8 \
- : ((int)__AP + 4 - 1) & -4) \
- + __va_rounded_size(__type))))[-1]
- #endif
-
- #endif /* defined (_STDARG_H) || defined (_VARARGS_H) */
-