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Annotation of sys/arch/alpha/include/stdarg.h, Revision 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_ */