varargs.h revision 102227 
1/*
2 * Copyright (c) 2002 David E. O'Brien.  All rights reserved.
3 * Copyright (c) 1992, 1993
4 *	The Regents of the University of California.  All rights reserved.
5 * (c) UNIX System Laboratories, Inc.
6 * All or some portions of this file are derived from material licensed
7 * to the University of California by American Telephone and Telegraph
8 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
9 * the permission of UNIX System Laboratories, Inc.
10 *
11 * This software was developed by the Computer Systems Engineering group
12 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
13 * contributed to Berkeley.
14 *
15 * All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 *	This product includes software developed by the University of
18 *	California, Lawrence Berkeley Laboratory.
19 *
20 * Redistribution and use in source and binary forms, with or without
21 * modification, are permitted provided that the following conditions
22 * are met:
23 * 1. Redistributions of source code must retain the above copyright
24 *    notice, this list of conditions and the following disclaimer.
25 * 2. Redistributions in binary form must reproduce the above copyright
26 *    notice, this list of conditions and the following disclaimer in the
27 *    documentation and/or other materials provided with the distribution.
28 * 3. All advertising materials mentioning features or use of this software
29 *    must display the following acknowledgement:
30 *	This product includes software developed by the University of
31 *	California, Berkeley and its contributors.
32 * 4. Neither the name of the University nor the names of its contributors
33 *    may be used to endorse or promote products derived from this software
34 *    without specific prior written permission.
35 *
36 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
37 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
39 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
40 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
41 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
42 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
43 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
44 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
45 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
46 * SUCH DAMAGE.
47 *
48 *	@(#)varargs.h	8.3 (Berkeley) 3/22/94
49 * $FreeBSD: head/sys/sparc64/include/varargs.h 102227 2002-08-21 16:20:02Z mike $
50 */
51
52#if defined(__GNUC__) && (__GNUC__ == 2 && __GNUC_MINOR__ > 95 || __GNUC__ >= 3)
53
54#include <sys/_types.h>
55
56typedef	__va_list	va_list;
57typedef int __builtin_va_alist_t __attribute__((__mode__(__word__)));
58
59#define	va_alist		__builtin_va_alist
60#define	va_dcl			__builtin_va_alist_t __builtin_va_alist; ...
61#define	va_start(ap)		__builtin_varargs_start(ap)
62#define	va_arg(ap, type)	__builtin_va_arg((ap), type)
63#define	va_end(ap)		__builtin_va_end(ap)
64
65#else	/* ! __GNUC__ post GCC 2.95 */
66
67#ifndef _MACHINE_VARARGS_H_
68#define	_MACHINE_VARARGS_H_
69
70#include <machine/stdarg.h>
71
72#if __GNUC__ == 1
73#define	__va_ellipsis
74#else
75#define	__va_ellipsis	...
76#endif
77
78#define	va_alist	__builtin_va_alist
79#define	va_dcl		long __builtin_va_alist; __va_ellipsis
80
81#undef va_start
82#define	va_start(ap) \
83	((ap) = (va_list)__builtin_saveregs())
84
85#endif /* __GNUC__ post GCC 2.95 */
86
87#endif /* !_MACHINE_VARARGS_H_ */
88