Initial revision

From-SVN: r102

gcc/ginclude/varargs.h

@@ -0,0 +1,84 @@
+#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.  */
+
+#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 __hp9000s800__
+#include "va-hp800.h"
+#else
+
+#ifdef __NeXT__
+
+/* On Next, erase any vestiges of 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
+
+/* Make this a macro rather than a typedef, so we can undef any other defn.  */
+#define va_list __va___list
+typedef char * __va___list;
+
+#define va_start(AP)  AP=(char *) &__builtin_va_alist
+
+#define va_end(AP)
+
+#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))))
+
+#endif /* not hp800 */
+#endif /* not m88k */
+#endif /* not pyr */
+#endif /* not i860 */
+#endif /* not mips */
+#endif /* not spur */
+#endif /* not sparc */
+#endif /* not _VARARGS_H */
+#endif /* __GNUC__ */