/* * 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. * 3. 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, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * 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. * * @(#)varargs.h 8.1 (Berkeley) 6/11/93 * * from: $Header: varargs.h,v 1.7 93/05/07 18:10:36 torek Exp $ */ #ifndef _MACHINE_VARARGS_H_ #define _MACHINE_VARARGS_H_ typedef char *va_list; /* See <machine/stdarg.h> for comments. */ #if __GNUC__ == 1 #define __extension__ #define va_dcl int va_alist; #else /* gcc2 wants to see the '...' token */ #define va_dcl int va_alist; ... #endif #define va_start(ap) (__builtin_saveregs(), (ap) = (char *)&va_alist) #define va_end(ap) /* empty */ /* Note, we can assume C code here; C++ does not use <varargs.h>. */ #define __va_8byte(ap, ty) ({ \ union { ty __d; int __i[2]; } __va_u; \ __va_u.__i[0] = ((int *)(void *)(ap))[0]; \ __va_u.__i[1] = ((int *)(void *)(ap))[1]; \ (ap) += 8; __va_u.__d; }) #define va_arg(ap, ty) __extension__ ({ \ ty __va_temp; \ __builtin_classify_type(__va_temp) >= 12 ? \ ((ty **)(void *)((ap) += sizeof(ty *)))[-1][0] : \ sizeof(ty) == 8 ? __va_8byte(ap, ty) : \ ((ty *)(void *)(ap += sizeof(ty)))[-1]; }) #endif /* !_MACHINE_VARARGS_H_ */