From d9b66c2f2f74b6a6ddf1e43aa4694a04f46a3b0c Mon Sep 17 00:00:00 2001
From: obrien <obrien@FreeBSD.org>
Date: Fri, 10 May 2002 02:12:04 +0000
Subject: Gcc 3.1 varargs support.

---
 sys/powerpc/include/ansi.h    |  2 +-
 sys/powerpc/include/stdarg.h  | 16 ++++++++++++++++
 sys/powerpc/include/varargs.h | 18 ++++++++++++++++++
 3 files changed, 35 insertions(+), 1 deletion(-)

(limited to 'sys/powerpc')

diff --git a/sys/powerpc/include/ansi.h b/sys/powerpc/include/ansi.h
index 7decfa5..e6d3298 100644
--- a/sys/powerpc/include/ansi.h
+++ b/sys/powerpc/include/ansi.h
@@ -71,7 +71,7 @@
 #define	_BSD_OFF_T_	__int64_t		/* file offset */
 #define	_BSD_PID_T_	int			/* process [group] */
 
-#if defined(__GNUC__) && (__GNUC__ > 2 || __GNUC__ == 2 && __GNUC_MINOR__ > 95)
+#if defined(__GNUC__) && (__GNUC__ == 2 && __GNUC_MINOR__ > 95 || __GNUC__ >= 3)
 #define	_BSD_VA_LIST_	__builtin_va_list	/* internally known to gcc */
 #else
 typedef struct {
diff --git a/sys/powerpc/include/stdarg.h b/sys/powerpc/include/stdarg.h
index 146567f..87b5965 100644
--- a/sys/powerpc/include/stdarg.h
+++ b/sys/powerpc/include/stdarg.h
@@ -1,4 +1,5 @@
 /*-
+ * Copyright (c) 2002 David E. O'Brien.  All rights reserved.
  * Copyright (c) 2000 Tsubai Masanari.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34,6 +35,19 @@
 
 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	va_start(ap, last)	((ap) = *(va_list *)0)
@@ -117,4 +131,6 @@ typedef _BSD_VA_LIST_	va_list;
 	((dest) = (src))
 #endif
 
+#endif /* __GNUC__ post GCC 2.95 */
+
 #endif /* _POWERPC_STDARG_H_ */
diff --git a/sys/powerpc/include/varargs.h b/sys/powerpc/include/varargs.h
index 3e1c0a9..6e0f346 100644
--- a/sys/powerpc/include/varargs.h
+++ b/sys/powerpc/include/varargs.h
@@ -1,4 +1,5 @@
 /*-
+ * Copyright (c) 2002 David E. O'Brien.  All rights reserved.
  * Copyright (c) 2000 Tsubai Masanari.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -30,6 +31,21 @@
 #ifndef _POWERPC_VARARGS_H_
 #define	_POWERPC_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>
 
 #define	va_alist	__builtin_va_alist
@@ -47,4 +63,6 @@
 	 (ap).__fpr = __va_first_fpr)
 #endif
 
+#endif /* __GNUC__ post GCC 2.95 */
+
 #endif /* _POWERPC_VARARGS_H_ */
-- 
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