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/* $OpenBSD: stdarg.h,v 1.9 2011/03/23 16:54:37 pirofti Exp $ */
/* $NetBSD: stdarg.h,v 1.11 2000/07/23 21:36:56 mycroft Exp $ */
/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley.
*
* All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Lawrence Berkeley Laboratory.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* from: @(#)stdarg.h 8.2 (Berkeley) 9/27/93
*/
#ifndef _MACHINE_STDARG_H_
#define _MACHINE_STDARG_H_
#include <sys/cdefs.h>
#include <machine/_types.h>
#ifdef __lint__
#define __builtin_saveregs(t) (0)
#define __builtin_classify_type(t) (0)
#define __builtin_next_arg(t) ((t) ? 0 : 0)
#endif
typedef __va_list va_list;
#ifdef lint
#define va_start(ap,lastarg) ((ap) = (ap))
#define __va_copy(dst, src) ((dst) = (src))
#else
#define va_start(ap, last) \
(__builtin_next_arg(last), (ap) = (va_list)__builtin_saveregs())
#endif /* lint */
#define va_end(ap)
/*
* For sparcv9 code.
*/
#define __va_arg8(ap, type) \
(*(type *)(void *)((ap) += 8, (ap) - 8))
#define __va_arg16(ap, type) \
(*(type *)(void *)((ap) = (va_list)(((unsigned long)(ap) + 31) & -16),\
(ap) - 16))
#define __va_int(ap, type) \
(*(type *)(void *)((ap) += 8, (ap) - sizeof(type)))
#define __REAL_TYPE_CLASS 8
#define __RECORD_TYPE_CLASS 12
#define va_arg(ap, type) \
(__builtin_classify_type(*(type *)0) == __REAL_TYPE_CLASS ? \
(__alignof__(type) == 16 ? __va_arg16(ap, type) : \
__va_arg8(ap, type)) : \
(__builtin_classify_type(*(type *)0) < __RECORD_TYPE_CLASS ? \
__va_int(ap, type) : \
(sizeof(type) <= 8 ? __va_arg8(ap, type) : \
(sizeof(type) <= 16 ? __va_arg16(ap, type) : \
*__va_arg8(ap, type *)))))
#endif /* !_MACHINE_STDARG_H_ */
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