The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/sparc64/include/varargs.h

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    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: releng/6.0/sys/sparc64/include/varargs.h 143063 2005-03-02 21:33:29Z joerg $
   50  */
   51 
   52 #ifndef _MACHINE_VARARGS_H_
   53 #define _MACHINE_VARARGS_H_
   54 
   55 #ifndef _SYS_CDEFS_H_
   56 #error this file needs sys/cdefs.h as a prerequisite
   57 #endif
   58 
   59 #ifdef __GNUCLIKE_BUILTIN_VARARGS
   60 
   61 #include <sys/_types.h>
   62 
   63 #ifndef _VA_LIST_DECLARED
   64 #define _VA_LIST_DECLARED
   65 typedef __va_list       va_list;
   66 #endif
   67 
   68 typedef int __builtin_va_alist_t __attribute__((__mode__(__word__)));
   69 
   70 #define va_alist                __builtin_va_alist
   71 #define va_dcl                  __builtin_va_alist_t __builtin_va_alist; ...
   72 #define va_start(ap)            __builtin_varargs_start(ap)
   73 #define va_arg(ap, type)        __builtin_va_arg((ap), type)
   74 #define va_end(ap)              __builtin_va_end(ap)
   75 
   76 #else   /* !__GNUCLIKE_BUILTIN_VARARGS */
   77 
   78 #include <machine/stdarg.h>
   79 
   80 #define __va_ellipsis   ...
   81 
   82 #define va_alist        __builtin_va_alist
   83 #define va_dcl          long __builtin_va_alist; __va_ellipsis
   84 
   85 #undef va_start
   86 #define va_start(ap) \
   87         ((ap) = (va_list)__builtin_saveregs())
   88 
   89 #endif /* __GNUCLIKE_BUILTIN_VARARGS */
   90 
   91 #endif /* !_MACHINE_VARARGS_H_ */

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