xref: /titanic_52/usr/src/boot/sys/x86/include/stdarg.h (revision 4a5d661a82b942b6538acd26209d959ce98b593a)
1*4a5d661aSToomas Soome /*-
2*4a5d661aSToomas Soome  * Copyright (c) 2002 David E. O'Brien.  All rights reserved.
3*4a5d661aSToomas Soome  *
4*4a5d661aSToomas Soome  * Redistribution and use in source and binary forms, with or without
5*4a5d661aSToomas Soome  * modification, are permitted provided that the following conditions
6*4a5d661aSToomas Soome  * are met:
7*4a5d661aSToomas Soome  * 1. Redistributions of source code must retain the above copyright
8*4a5d661aSToomas Soome  *    notice, this list of conditions and the following disclaimer.
9*4a5d661aSToomas Soome  * 2. Redistributions in binary form must reproduce the above copyright
10*4a5d661aSToomas Soome  *    notice, this list of conditions and the following disclaimer in the
11*4a5d661aSToomas Soome  *    documentation and/or other materials provided with the distribution.
12*4a5d661aSToomas Soome  * 3. Neither the name of the University nor the names of its contributors
13*4a5d661aSToomas Soome  *    may be used to endorse or promote products derived from this software
14*4a5d661aSToomas Soome  *    without specific prior written permission.
15*4a5d661aSToomas Soome  *
16*4a5d661aSToomas Soome  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17*4a5d661aSToomas Soome  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18*4a5d661aSToomas Soome  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19*4a5d661aSToomas Soome  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20*4a5d661aSToomas Soome  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21*4a5d661aSToomas Soome  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22*4a5d661aSToomas Soome  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23*4a5d661aSToomas Soome  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24*4a5d661aSToomas Soome  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25*4a5d661aSToomas Soome  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26*4a5d661aSToomas Soome  * SUCH DAMAGE.
27*4a5d661aSToomas Soome  *
28*4a5d661aSToomas Soome  * $FreeBSD$
29*4a5d661aSToomas Soome  */
30*4a5d661aSToomas Soome 
31*4a5d661aSToomas Soome #ifndef _MACHINE_STDARG_H_
32*4a5d661aSToomas Soome #define	_MACHINE_STDARG_H_
33*4a5d661aSToomas Soome 
34*4a5d661aSToomas Soome #include <sys/cdefs.h>
35*4a5d661aSToomas Soome #include <sys/_types.h>
36*4a5d661aSToomas Soome 
37*4a5d661aSToomas Soome #ifndef _VA_LIST_DECLARED
38*4a5d661aSToomas Soome #define	_VA_LIST_DECLARED
39*4a5d661aSToomas Soome typedef	__va_list	va_list;
40*4a5d661aSToomas Soome #endif
41*4a5d661aSToomas Soome 
42*4a5d661aSToomas Soome #ifdef __GNUCLIKE_BUILTIN_STDARG
43*4a5d661aSToomas Soome 
44*4a5d661aSToomas Soome #define	va_start(ap, last) \
45*4a5d661aSToomas Soome 	__builtin_va_start((ap), (last))
46*4a5d661aSToomas Soome 
47*4a5d661aSToomas Soome #define	va_arg(ap, type) \
48*4a5d661aSToomas Soome 	__builtin_va_arg((ap), type)
49*4a5d661aSToomas Soome 
50*4a5d661aSToomas Soome #define	__va_copy(dest, src) \
51*4a5d661aSToomas Soome 	__builtin_va_copy((dest), (src))
52*4a5d661aSToomas Soome 
53*4a5d661aSToomas Soome #if __ISO_C_VISIBLE >= 1999
54*4a5d661aSToomas Soome #define	va_copy(dest, src) \
55*4a5d661aSToomas Soome 	__va_copy(dest, src)
56*4a5d661aSToomas Soome #endif
57*4a5d661aSToomas Soome 
58*4a5d661aSToomas Soome #define	va_end(ap) \
59*4a5d661aSToomas Soome 	__builtin_va_end(ap)
60*4a5d661aSToomas Soome 
61*4a5d661aSToomas Soome #elif defined(lint)
62*4a5d661aSToomas Soome /* Provide a fake implementation for lint's benefit */
63*4a5d661aSToomas Soome #define	__va_size(type) \
64*4a5d661aSToomas Soome 	(((sizeof(type) + sizeof(long) - 1) / sizeof(long)) * sizeof(long))
65*4a5d661aSToomas Soome #define	va_start(ap, last) \
66*4a5d661aSToomas Soome 	((ap) = (va_list)&(last) + __va_size(last))
67*4a5d661aSToomas Soome #define va_copy(dst, src) \
68*4a5d661aSToomas Soome 	((dst) = (src))
69*4a5d661aSToomas Soome #define	va_arg(ap, type) \
70*4a5d661aSToomas Soome 	(*(type *)((ap) += __va_size(type), (ap) - __va_size(type)))
71*4a5d661aSToomas Soome #define	va_end(ap)
72*4a5d661aSToomas Soome 
73*4a5d661aSToomas Soome #else
74*4a5d661aSToomas Soome #error this file needs to be ported to your compiler
75*4a5d661aSToomas Soome #endif
76*4a5d661aSToomas Soome 
77*4a5d661aSToomas Soome #endif /* !_MACHINE_STDARG_H_ */
78