-#ifndef __GNUC__
-/* Use the system's macros with the system's compiler. */
-#include <varargs.h>
-#else
-/* Record that varargs.h is defined; this turns off stdarg.h. */
+/* Copyright (C) 1989, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+
+This file is part of GNU CC.
+
+GNU CC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU CC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU CC; see the file COPYING. If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
+
+/* As a special exception, if you include this header file into source
+ files compiled by GCC, this header file does not by itself cause
+ the resulting executable to be covered by the GNU General Public
+ License. This exception does not however invalidate any other
+ reasons why the executable file might be covered by the GNU General
+ Public License. */
#ifndef _VARARGS_H
#define _VARARGS_H
-#ifdef __sparc__
-#include "va-sparc.h"
-#else
-#ifdef __spur__
-#include "va-spur.h"
-#else
-#ifdef __mips__
-#include "va-mips.h"
-#else
-#ifdef __i860__
-#include "va-i860.h"
-#else
-#ifdef __pyr__
-#include "va-pyr.h"
-#else
-#ifdef __m88k__
-#include "va-m88k.h"
-#else
-#ifdef __hppa__
-#include "va-pa.h"
-#else
-#ifdef __i960__
-#include "va-i960.h"
-#else
-
#ifdef __NeXT__
/* On Next, erase any vestiges of stdarg.h. */
+#ifdef _ANSI_STDARG_H_
+#define _VA_LIST_
+#endif
+#define _ANSI_STDARG_H_
+
#undef va_alist
#undef va_dcl
#undef va_list
#undef va_start
#undef va_end
-#undef __va_rounded_size
#undef va_arg
#endif /* __NeXT__ */
-/* In GCC version 2, we want an ellipsis at the end of the declaration
- of the argument list. GCC version 1 can't parse it. */
-
-#if __GNUC__ > 1
-#define __va_ellipsis ...
-#else
-#define __va_ellipsis
-#endif
-
/* These macros implement traditional (non-ANSI) varargs
for GNU C. */
#define va_alist __builtin_va_alist
-/* The ... causes current_function_varargs to be set in cc1. */
-#define va_dcl int __builtin_va_alist; __va_ellipsis
-
-#ifdef _HIDDEN_VA_LIST /* On OSF1, this means varargs.h is "half-loaded". */
-#undef _VA_LIST
-#endif
-/* The macro _VA_LIST_ is the same thing used by this file in Ultrix. */
-/* But in 4.3bsd-net2, _VA_LIST_ has another meaning. So ignore it. */
-#if !defined (_VA_LIST_) || defined (_ANSI_H)
-/* The macro _VA_LIST is used in SCO Unix 3.2. */
-#ifndef _VA_LIST
-#ifndef _VA_LIST_
-#define _VA_LIST_
-#endif
-#define _VA_LIST
-/* Make this a macro rather than a typedef, so we can undef any other defn. */
-#define va_list __va___list
-typedef char * __va___list;
-#endif /* _VA_LIST */
-#endif /* !defined (_VA_LIST_) || defined (_ANSI_H) */
-
-/* In 4.3bsd-net2, it is said we must #undef this.
- I hope this successfully identifies that system.
- I don't know why this works--rms. */
-#ifdef _ANSI_H_
-#undef _VA_LIST_
-#endif
+/* ??? We don't process attributes correctly in K&R argument context. */
+typedef int __builtin_va_alist_t __attribute__((__mode__(__word__)));
-#define va_start(AP) AP=(char *) &__builtin_va_alist
+/* ??? It would be nice to get rid of the ellipsis here. It causes
+ current_function_varargs to be set in cc1. */
+#define va_dcl __builtin_va_alist_t __builtin_va_alist; ...
-#define va_end(AP)
+/* Define __gnuc_va_list, just as in stdarg.h. */
-#define __va_rounded_size(TYPE) \
- (((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))
-
-#define va_arg(AP, TYPE) \
- (AP += __va_rounded_size (TYPE), \
- *((TYPE *) (AP - __va_rounded_size (TYPE))))
+#ifndef __GNUC_VA_LIST
+#define __GNUC_VA_LIST
+typedef __builtin_va_list __gnuc_va_list;
+#endif
-#endif /* not i960 */
-#endif /* not hppa */
-#endif /* not m88k */
-#endif /* not pyr */
-#endif /* not i860 */
-#endif /* not mips */
-#endif /* not spur */
-#endif /* not sparc */
-#endif /* not _VARARGS_H */
+#define va_start(v) __builtin_varargs_start((v))
+#define va_end __builtin_va_end
+#define va_arg __builtin_va_arg
+#define __va_copy(d,s) __builtin_va_copy((d),(s))
-#ifdef __GNUC_VA_LIST
-/* If an include file defined __GNUC_VA_LIST,
- copy it into va_list. */
+/* Define va_list from __gnuc_va_list. */
#ifdef _HIDDEN_VA_LIST /* On OSF1, this means varargs.h is "half-loaded". */
#undef _VA_LIST
#endif
-/* The macro _VA_LIST_ is the same thing used by this file in Ultrix. */
+#if defined(__svr4__) || (defined(_SCO_DS) && !defined(__VA_LIST))
+/* SVR4.2 uses _VA_LIST for an internal alias for va_list,
+ so we must avoid testing it and setting it here.
+ SVR4 uses _VA_LIST as a flag in stdarg.h, but we should
+ have no conflict with that. */
#ifndef _VA_LIST_
+#define _VA_LIST_
+#ifdef __i860__
+#ifndef _VA_LIST
+#define _VA_LIST va_list
+#endif
+#endif /* __i860__ */
+typedef __gnuc_va_list va_list;
+#ifdef _SCO_DS
+#define __VA_LIST
+#endif
+#endif /* _VA_LIST_ */
+
+#else /* not __svr4__ || _SCO_DS */
+
+/* The macro _VA_LIST_ is the same thing used by this file in Ultrix.
+ But on BSD NET2 we must not test or define or undef it.
+ (Note that the comments in NET 2's ansi.h
+ are incorrect for _VA_LIST_--see stdio.h!) */
+/* Michael Eriksson <mer@sics.se> at Thu Sep 30 11:00:57 1993:
+ Sequent defines _VA_LIST_ in <machine/machtypes.h> to be the type to
+ use for va_list (``typedef _VA_LIST_ va_list'') */
+#if !defined (_VA_LIST_) || defined (__BSD_NET2__) || defined (____386BSD____) || defined (__bsdi__) || defined (__sequent__) || defined (__FreeBSD__) || defined(WINNT)
+/* The macro _VA_LIST_DEFINED is used in Windows NT 3.5 */
+#ifndef _VA_LIST_DEFINED
/* The macro _VA_LIST is used in SCO Unix 3.2. */
#ifndef _VA_LIST
+/* The macro _VA_LIST_T_H is used in the Bull dpx2 */
+#ifndef _VA_LIST_T_H
+/* The macro __va_list__ is used by BeOS. */
+#ifndef __va_list__
+typedef __gnuc_va_list va_list;
+#endif /* not __va_list__ */
+#endif /* not _VA_LIST_T_H */
+#endif /* not _VA_LIST */
+#endif /* not _VA_LIST_DEFINED */
+#if !(defined (__BSD_NET2__) || defined (____386BSD____) || defined (__bsdi__) || defined (__sequent__) || defined (__FreeBSD__))
#define _VA_LIST_
+#endif
+#ifndef _VA_LIST
#define _VA_LIST
-typedef __gnuc_va_list va_list;
-#endif /* _VA_LIST */
-#endif /* _VA_LIST_ */
-#endif /* __GNUC_VA_LIST */
+#endif
+#ifndef _VA_LIST_DEFINED
+#define _VA_LIST_DEFINED
+#endif
+#ifndef _VA_LIST_T_H
+#define _VA_LIST_T_H
+#endif
+#ifndef __va_list__
+#define __va_list__
+#endif
+
+#endif /* not _VA_LIST_, except on certain systems */
+
+#endif /* not __svr4__ */
+
+/* The next BSD release (if there is one) wants this symbol to be
+ undefined instead of _VA_LIST_. */
+#ifdef _BSD_VA_LIST
+#undef _BSD_VA_LIST
+#endif
-#endif /* __GNUC__ */
+#endif /* _VARARGS_H */
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