57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
/* stdarg/vararg support for the Hitachi h8/300 and h8/300h */
|
|
|
|
/* Define __gnuc_va_list. */
|
|
|
|
#ifndef __GNUC_VA_LIST
|
|
#define __GNUC_VA_LIST
|
|
typedef void *__gnuc_va_list;
|
|
#endif
|
|
|
|
/* 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
|
|
|
|
#ifdef __H8300__
|
|
#define __va_rounded_size(TYPE) \
|
|
(((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))
|
|
#else
|
|
#define __va_rounded_size(TYPE) \
|
|
(((sizeof (TYPE) + sizeof (long) - 1) / sizeof (long)) * sizeof (long))
|
|
#endif
|
|
|
|
#ifdef _STDARG_H
|
|
|
|
#define va_start(AP,LASTARG) \
|
|
(AP = ((__gnuc_va_list) __builtin_next_arg (LASTARG)))
|
|
|
|
#else /* _VARARGS_H */
|
|
|
|
#define va_alist __builtin_va_alist
|
|
/* The ... causes current_function_varargs to be set in cc1. */
|
|
#define va_dcl int __builtin_va_alist; __va_ellipsis
|
|
#define va_start(AP) AP = (void *) &__builtin_va_alist
|
|
|
|
#endif /* _VARARGS_H */
|
|
|
|
#define va_arg(AP, TYPE) \
|
|
(AP = (__gnuc_va_list) ((char *) (AP) + __va_rounded_size (TYPE)), \
|
|
*((TYPE *) (void *) ((char *) (AP) \
|
|
- ((sizeof (TYPE) < __va_rounded_size (int) \
|
|
? sizeof (TYPE) : __va_rounded_size (TYPE))))))
|
|
|
|
#define va_end(AP) ((void) 0)
|
|
|
|
/* Copy __gnuc_va_list into another variable of this type. */
|
|
#define __va_copy(dest, src) (dest) = (src)
|
|
|
|
#endif /* defined (_STDARG_H) || defined (_VARARGS_H) */
|