Gcc 3.1 varargs support.

3 files changed, 42 insertions, 10 deletions

diff --git a/sys/alpha/include/ansi.h b/sys/alpha/include/ansi.h
index 3c4b58a..87966c3 100644
--- a/sys/alpha/include/ansi.h
+++ b/sys/alpha/include/ansi.h
@@ -72,8 +72,8 @@
 #define	_BSD_OFF_T_	long			/* file offset */
 #define	_BSD_PID_T_	int			/* process [group] */
 
-#if defined(__GNUC__) && (__GNUC__ > 2 || __GNUC__ == 2 && __GNUC_MINOR__ > 95)
-#define	_BSD_VA_LIST_	__builtin_va_list	/* internally known to gcc */
+#if defined(__GNUC__) && (__GNUC__ == 2 && __GNUC_MINOR__ > 95 || __GNUC__ >= 3)
+#define	_BSD_VA_LIST_	__builtin_va_list		/* internally known to gcc */
 #else
 typedef struct {
 	char *__base;
diff --git a/sys/alpha/include/stdarg.h b/sys/alpha/include/stdarg.h
index 2003b7b..1632add 100644
--- a/sys/alpha/include/stdarg.h
+++ b/sys/alpha/include/stdarg.h
@@ -1,7 +1,5 @@
-/* $FreeBSD$ */
-/* From: NetBSD: stdarg.h,v 1.7 1997/04/06 08:47:44 cgd Exp */
-
 /*-
+ * Copyright (c) 2002 David E. O'Brien.  All rights reserved.
  * Copyright (c) 1991, 1993
  *	The Regents of the University of California.  All rights reserved.
  *
@@ -34,6 +32,8 @@
  * SUCH DAMAGE.
  *
  *	@(#)stdarg.h	8.1 (Berkeley) 6/10/93
+ *	$NetBSD: stdarg.h,v 1.7 1997/04/06 08:47:44 cgd Exp $
+ * $FreeBSD$
  */
 
 #ifndef _ALPHA_STDARG_H_
@@ -41,13 +41,26 @@
 
 #include <machine/ansi.h>
 
+typedef _BSD_VA_LIST_	va_list;
+
+#if defined(__GNUC__) && (__GNUC__ == 2 && __GNUC_MINOR__ > 95 || __GNUC__ >= 3)
+
+#define	va_start(ap, last) \
+	__builtin_stdarg_start((ap), (last))
+
+#define	va_arg(ap, type) \
+	__builtin_va_arg((ap), type)
+
+#define	va_end(ap) \
+	__builtin_va_end(ap)
+
+#else	/* ! __GNUC__ post GCC 2.95 */
+
 #ifdef __lint__
 #define	__builtin_saveregs()		(0)
 #define	__builtin_classify_type(t)	(0)
 #endif
 
-typedef _BSD_VA_LIST_	va_list;
-
 #define	__va_size(type) \
 	(((sizeof(type) + sizeof(long) - 1) / sizeof(long)) * sizeof(long))
 
@@ -65,4 +78,6 @@ typedef _BSD_VA_LIST_	va_list;
 
 #define	va_end(ap)	((void)0)
 
+#endif /* __GNUC__ post GCC 2.95 */
+
 #endif /* !_ALPHA_STDARG_H_ */
diff --git a/sys/alpha/include/varargs.h b/sys/alpha/include/varargs.h
index d355ec8..bcf9ed3 100644
--- a/sys/alpha/include/varargs.h
+++ b/sys/alpha/include/varargs.h
@@ -1,7 +1,5 @@
-/* $FreeBSD$ */
-/* From: NetBSD: varargs.h,v 1.7 1997/04/06 08:47:46 cgd Exp */
-
 /*-
+ * Copyright (c) 2002 David E. O'Brien.  All rights reserved.
  * Copyright (c) 1990, 1993
  *	The Regents of the University of California.  All rights reserved.
  * (c) UNIX System Laboratories, Inc.
@@ -39,11 +37,28 @@
  * SUCH DAMAGE.
  *
  *	@(#)varargs.h	8.2 (Berkeley) 3/22/94
+ *	$NetBSD: varargs.h,v 1.7 1997/04/06 08:47:46 cgd Exp $
+ * $FreeBSD$
  */
 
 #ifndef _ALPHA_VARARGS_H_
 #define	_ALPHA_VARARGS_H_
 
+#if defined(__GNUC__) && (__GNUC__ == 2 && __GNUC_MINOR__ > 95 || __GNUC__ >= 3)
+
+#include <machine/ansi.h>
+
+typedef _BSD_VA_LIST_ va_list;
+typedef int __builtin_va_alist_t __attribute__((__mode__(__word__)));
+
+#define	va_alist		__builtin_va_alist
+#define	va_dcl			__builtin_va_alist_t __builtin_va_alist; ...
+#define	va_start(ap)		__builtin_varargs_start(ap)
+#define	va_arg(ap, type)	__builtin_va_arg((ap), type)
+#define	va_end(ap)		__builtin_va_end(ap)
+
+#else	/* ! __GNUC__ post GCC 2.95 */
+
 #include <machine/stdarg.h>
 
 #if __GNUC__ == 1
@@ -59,4 +74,6 @@
 #define	va_start(ap) \
 	((ap) = *(va_list *)__builtin_saveregs(), (ap).__pad = 0)
 
+#endif /* __GNUC__ post GCC 2.95 */
+
 #endif /* !_ALPHA_VARARGS_H_ */