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/*- * Copyright (c) 2002 David E. O'Brien. All rights reserved. * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This software was developed by the Computer Systems Engineering group * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and * contributed to Berkeley. * * All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Lawrence Berkeley Laboratory. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)stdarg.h 8.2 (Berkeley) 9/27/93 * $NetBSD: stdarg.h,v 1.11 2000/07/23 21:36:56 mycroft Exp $ * $FreeBSD: release/9.1.0/sys/sparc64/include/stdarg.h 162487 2006-09-21 01:37:02Z kan $ */ #ifndef _MACHINE_STDARG_H_ #define _MACHINE_STDARG_H_ #include <sys/cdefs.h> #include <sys/_types.h> #ifndef _VA_LIST_DECLARED #define _VA_LIST_DECLARED typedef __va_list va_list; #endif #ifdef __GNUCLIKE_BUILTIN_STDARG #define va_start(ap, last) \ __builtin_va_start((ap), (last)) #define va_arg(ap, type) \ __builtin_va_arg((ap), type) #if __ISO_C_VISIBLE >= 1999 #define va_copy(dest, src) \ __builtin_va_copy((dest), (src)) #endif #define va_end(ap) \ __builtin_va_end(ap) #else /* ! __GNUCLIKE_BUILTIN_STDARG */ #if !defined(__GNUCLIKE_BUILTIN_NEXT_ARG) && !defined(lint) #error no support for your compiler #endif #define va_start(ap, last) \ (__builtin_next_arg(last), (ap) = (va_list)__builtin_saveregs()) #define va_end(ap) #define __va_arg8(ap, type) \ (*(type *)(void *)((ap) += 8, (ap) - 8)) #define __va_arg16(ap, type) \ (*(type *)(void *)((ap) = (va_list)(((unsigned long)(ap) + 31) & -16),\ (ap) - 16)) #define __va_int(ap, type) \ (*(type *)(void *)((ap) += 8, (ap) - sizeof(type))) #define __REAL_TYPE_CLASS 8 #define __RECORD_TYPE_CLASS 12 #define va_arg(ap, type) \ (__builtin_classify_type(*(type *)0) == __REAL_TYPE_CLASS ? \ (__alignof__(type) == 16 ? __va_arg16(ap, type) : \ __va_arg8(ap, type)) : \ (__builtin_classify_type(*(type *)0) < __RECORD_TYPE_CLASS ? \ __va_int(ap, type) : \ (sizeof(type) <= 8 ? __va_arg8(ap, type) : \ (sizeof(type) <= 16 ? __va_arg16(ap, type) : \ *__va_arg8(ap, type *))))) #endif /* __GNUCLIKE_BUILTIN_STDARG */ #endif /* !_MACHINE_STDARG_H_ */