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authorRichard Stallman <rms@gnu.org>1991-12-15 19:56:55 +0000
committerRichard Stallman <rms@gnu.org>1991-12-15 19:56:55 +0000
commit0dbbbb09d3c7c393dc1b7774fee3caa95d9b3cb1 (patch)
tree68f0b9cf3aa48e6fc0140296571bb4f0b67e67da
parentdf2632b0c5812a9cc45d9a1030e82e1ba68f36cd (diff)
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Initial revision
From-SVN: r119
-rw-r--r--gcc/ginclude/stdarg.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/gcc/ginclude/stdarg.h b/gcc/ginclude/stdarg.h
new file mode 100644
index 0000000..0ea8d92
--- /dev/null
+++ b/gcc/ginclude/stdarg.h
@@ -0,0 +1,46 @@
+/* stdarg.h for GNU.
+ Note that the type used in va_arg is supposed to match the
+ actual type **after default promotions**.
+ Thus, va_arg (..., short) is not valid. */
+
+#ifndef _STDARG_H
+#define _STDARG_H
+
+#ifdef __m88k__
+#include "va-m88k.h"
+#else
+#ifdef __i860__
+#include "va-i860.h"
+#else
+
+/* The macro _VA_LIST_ is the same thing used by this file in Ultrix. */
+#ifndef _VA_LIST_
+#define _VA_LIST_
+typedef char *va_list;
+#endif /* _VA_LIST_ */
+
+/* Amount of space required in an argument list for an arg of type TYPE.
+ TYPE may alternatively be an expression whose type is used. */
+
+#define __va_rounded_size(TYPE) \
+ (((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))
+
+#ifndef __sparc__
+#define va_start(AP, LASTARG) \
+ (AP = ((char *) __builtin_next_arg ()))
+#else
+#define va_start(AP, LASTARG) \
+ (__builtin_saveregs (), \
+ AP = ((char *) __builtin_next_arg ()))
+#endif
+
+void va_end (va_list); /* Defined in gnulib */
+#define va_end(AP)
+
+#define va_arg(AP, TYPE) \
+ (AP += __va_rounded_size (TYPE), \
+ *((TYPE *) (AP - __va_rounded_size (TYPE))))
+
+#endif /* not i860 */
+#endif /* not m88k */
+#endif /* _STDARG_H */