-/* Record that this is varargs.h; 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 __clipper__
-#include <va-clipper.h>
-#else
-#ifdef __m88k__
-#include <va-m88k.h>
-#else
-#if defined(__hppa__) || defined(hp800)
-#include <va-pa.h>
-#else
-#ifdef __i960__
-#include <va-i960.h>
-#else
-#ifdef __alpha__
-#include <va-alpha.h>
-#else
-#if defined (__H8300__) || defined (__H8300H__)
-#include <va-h8300.h>
-#else
-#if defined (__PPC__) && defined (_CALL_SYSV)
-#include <va-ppc.h>
-#else
-
#ifdef __NeXT__
/* On Next, erase any vestiges of stdarg.h. */
#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
-/* Define __gnuc_va_list, just as in gstdarg.h. */
+/* ??? We don't process attributes correctly in K&R argument context. */
+typedef int __builtin_va_alist_t __attribute__((__mode__(__word__)));
-#ifndef __GNUC_VA_LIST
-#define __GNUC_VA_LIST
-#if defined(__svr4__) || defined(_AIX) || defined(_M_UNIX)
-typedef char *__gnuc_va_list;
-#else
-typedef void *__gnuc_va_list;
-#endif
-#endif
-
-#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) ((void)0)
+/* Define __gnuc_va_list, just as in stdarg.h. */
-#if defined(sysV68)
-#define __va_rounded_size(TYPE) \
- (((sizeof (TYPE) + sizeof (short) - 1) / sizeof (short)) * sizeof (short))
-#else
-#define __va_rounded_size(TYPE) \
- (((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))
+#ifndef __GNUC_VA_LIST
+#define __GNUC_VA_LIST
+typedef __builtin_va_list __gnuc_va_list;
#endif
-#if defined (__arm__) || defined (__i386__) || defined (__i860__) || defined (__ns32000__) || defined (__vax__)
-/* This is for little-endian machines; small args are padded upward. */
-#define va_arg(AP, TYPE) \
- (AP = (__gnuc_va_list) ((char *) (AP) + __va_rounded_size (TYPE)), \
- *((TYPE *) (void *) ((char *) (AP) - __va_rounded_size (TYPE))))
-#else /* big-endian */
-/* This is for big-endian machines; small args are padded downward. */
-#define va_arg(AP, TYPE) \
- (AP = (__gnuc_va_list) ((char *) (AP) + __va_rounded_size (TYPE)), \
- *((TYPE *) (void *) ((char *) (AP) \
- - ((sizeof (TYPE) < __va_rounded_size (char) \
- ? sizeof (TYPE) : __va_rounded_size (TYPE))))))
-#endif /* big-endian */
-
-#endif /* not powerpc with V.4 calling sequence */
-#endif /* not h8300 */
-#endif /* not alpha */
-#endif /* not i960 */
-#endif /* not hppa */
-#endif /* not m88k */
-#endif /* not clipper */
-#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))
/* Define va_list from __gnuc_va_list. */
#undef _VA_LIST
#endif
-#if defined(__svr4__) || defined(_SCO_DS)
+#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
#endif
#endif /* __i860__ */
typedef __gnuc_va_list va_list;
+#ifdef _SCO_DS
+#define __VA_LIST
+#endif
#endif /* _VA_LIST_ */
#else /* not __svr4__ || _SCO_DS */
#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 */
#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 */
#ifdef _BSD_VA_LIST
#undef _BSD_VA_LIST
#endif
+
+#endif /* _VARARGS_H */
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