varargs.h revision 104584
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 104584 2002-10-06 22:02:06Z mike $ 50 */ 51 52#if defined(__GNUC__) && (__GNUC__ == 2 && __GNUC_MINOR__ > 95 || __GNUC__ >= 3) 53 54#include <sys/_types.h> 55 56#ifndef _VA_LIST_DECLARED 57#define _VA_LIST_DECLARED 58typedef __va_list va_list; 59#endif 60 61typedef int __builtin_va_alist_t __attribute__((__mode__(__word__))); 62 63#define va_alist __builtin_va_alist 64#define va_dcl __builtin_va_alist_t __builtin_va_alist; ... 65#define va_start(ap) __builtin_varargs_start(ap) 66#define va_arg(ap, type) __builtin_va_arg((ap), type) 67#define va_end(ap) __builtin_va_end(ap) 68 69#else /* ! __GNUC__ post GCC 2.95 */ 70 71#ifndef _MACHINE_VARARGS_H_ 72#define _MACHINE_VARARGS_H_ 73 74#include <machine/stdarg.h> 75 76#if __GNUC__ == 1 77#define __va_ellipsis 78#else 79#define __va_ellipsis ... 80#endif 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 /* __GNUC__ post GCC 2.95 */ 90 91#endif /* !_MACHINE_VARARGS_H_ */ 92