1/* Define __gnuc_va_list. */ 2 3#ifndef __GNUC_VA_LIST 4#define __GNUC_VA_LIST 5typedef void *__gnuc_va_list; 6#endif /* not __GNUC_VA_LIST */ 7 8/* If this is for internal libc use, don't define anything but 9 __gnuc_va_list. */ 10#if defined (_STDARG_H) || defined (_VARARGS_H) 11#define __gnuc_va_start(AP) (AP = (__gnuc_va_list)__builtin_saveregs()) 12#define __va_ellipsis ... 13 14#ifdef _STDARG_H 15#define va_start(AP, LASTARG) \ 16 (__builtin_next_arg (LASTARG), __gnuc_va_start (AP)) 17#else 18#define va_alist __builtin_va_alist 19#define va_dcl int __builtin_va_alist; __va_ellipsis 20#define va_start(AP) AP=(char *) &__builtin_va_alist 21#endif 22 23/* Now stuff common to both varargs & stdarg implementations. */ 24#define __va_rounded_size(TYPE) \ 25 (((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int)) 26#undef va_end 27void va_end (__gnuc_va_list); 28#define va_end(AP) ((void)0) 29#define va_arg(AP, TYPE) \ 30 (sizeof (TYPE) > 8 \ 31 ? (AP = (__gnuc_va_list) ((char *) (AP) + __va_rounded_size (char *)),\ 32 **((TYPE **) (void *) ((char *) (AP) - __va_rounded_size (char *))))\ 33 : (AP = (__gnuc_va_list) ((char *) (AP) + __va_rounded_size (TYPE)), \ 34 *((TYPE *) (void *) ((char *) (AP) - __va_rounded_size (TYPE))))) 35#endif 36