Annotation of sys/arch/alpha/include/stdarg.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: stdarg.h,v 1.10 2006/04/09 03:07:52 deraadt Exp $ */
2: /* $NetBSD: stdarg.h,v 1.4 1996/10/09 21:13:05 cgd Exp $ */
3:
4: /*-
5: * Copyright (c) 1991, 1993
6: * The Regents of the University of California. All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. Neither the name of the University nor the names of its contributors
17: * may be used to endorse or promote products derived from this software
18: * without specific prior written permission.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30: * SUCH DAMAGE.
31: *
32: * @(#)stdarg.h 8.1 (Berkeley) 6/10/93
33: */
34:
35: #ifndef _ALPHA_STDARG_H_
36: #define _ALPHA_STDARG_H_
37:
38: #include <sys/cdefs.h>
39: #include <machine/_types.h>
40:
41: typedef __va_list va_list;
42:
43: #define __va_size(type) \
44: (((sizeof(type) + sizeof(long) - 1) / sizeof(long)) * sizeof(long))
45:
46: #ifdef lint
47: #define va_start(ap,lastarg) ((ap) = (ap))
48: #else
49: #define va_start(ap, last) \
50: (__builtin_next_arg(last), (ap) = *(va_list *)__builtin_saveregs(), (ap).pad = 0)
51: #endif /* lint */
52:
53: #define __REAL_TYPE_CLASS 8
54: #define __va_arg_offset(ap, type) \
55: ((__builtin_classify_type(*(type *)0) == __REAL_TYPE_CLASS && \
56: (ap).offset <= (6 * 8) ? -(6 * 8) : 0) - __va_size(type))
57:
58: #define va_arg(ap, type) \
59: (*(type *)((ap).offset += __va_size(type), \
60: (ap).base + (ap).offset + __va_arg_offset(ap, type)))
61:
62: #if __ISO_C_VISIBLE >= 1999
63: #define va_copy(dest, src) \
64: ((dest) = (src))
65: #endif
66:
67: #define va_end(ap)
68:
69: #endif /* !_ALPHA_STDARG_H_ */
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