/*	$OpenBSD: va-m88k.h,v 1.7 2002/03/25 19:40:30 miod Exp $	*/

/* This file has local changes by MOTOROLA
Thu Sep  9 09:06:29 CDT 1993 Dale Rahn (drahn@pacific)
	* Due to C-Front's usage of __alignof__ builtin the
	usage of it must be changed to have an object of that type
	as the argument not just the type.
 */
/* 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 */
} __va_list;

typedef __va_list __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)

#define __va_start_common(AP,FAKE) \
    (AP) = *(__gnuc_va_list *)__builtin_saveregs()

#ifdef _STDARG_H /* stdarg.h support */

/* Calling __builtin_next_arg gives the proper error message if LASTARG is
   not indeed the last argument.  */
#define va_start(AP,LASTARG) \
  (__builtin_next_arg (LASTARG), __va_start_common (AP, 0))

#else /* varargs.h support */

#define va_start(AP) __va_start_common (AP, 1)
#define va_alist __va_1st_arg
#define va_dcl register int va_alist; ...

#endif /* _STDARG_H */

#define __va_reg_p(TYPE) \
  (__builtin_classify_type(*(TYPE *)0) < 12 \
   ? sizeof(TYPE) <= 8 : sizeof(TYPE) == 4 && __alignof__(*(TYPE *)0) == 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 *)0) >> 3)) - 1) \
		     & ~((1 << (__alignof__(*(TYPE *)0) >> 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) */