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/* $OpenBSD: va-m88k.h,v 1.4 2001/07/04 08:09:23 niklas 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 */
} __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
#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 *)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) */
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