Use standard pattern for stdargs.h

We don't support older compilers. Most of the code in these files is
for pre-3.0 gcc, which is at least 15 years obsolete. Move to using
phk's sys/_stdargs.h for all these platforms.

Sponsored by: Netflix
Differential Revision: https://reviews.freebsd.org/D14323

1 files changed, 7 insertions, 71 deletions

diff --git a/sys/sparc64/include/stdarg.h b/sys/sparc64/include/stdarg.h
index d151f1934787..acb526429ac2 100644
--- a/sys/sparc64/include/stdarg.h
+++ b/sys/sparc64/include/stdarg.h
@@ -1,18 +1,7 @@
 /*-
- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ * SPDX-License-Identifier: BSD-2-Clause
  *
- * Copyright (c) 2002 David E. O'Brien.  All rights reserved.
- * Copyright (c) 1992, 1993
- *	The Regents of the University of California.  All rights reserved.
- *
- * This software was developed by the Computer Systems Engineering group
- * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
- * contributed to Berkeley.
- *
- * All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Lawrence Berkeley Laboratory.
+ * Copyright (c) 2017 Poul-Henning Kamp.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -23,10 +12,10 @@
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
@@ -35,69 +24,16 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	@(#)stdarg.h	8.2 (Berkeley) 9/27/93
- *	$NetBSD: stdarg.h,v 1.11 2000/07/23 21:36:56 mycroft Exp $
  * $FreeBSD$
  */
 
 #ifndef _MACHINE_STDARG_H_
 #define	_MACHINE_STDARG_H_
 
-#include <sys/cdefs.h>
-#include <sys/_types.h>
-
-#ifndef _VA_LIST_DECLARED
-#define	_VA_LIST_DECLARED
-typedef	__va_list	va_list;
-#endif
-
-#ifdef __GNUCLIKE_BUILTIN_STDARG
-
-#define	va_start(ap, last) \
-	__builtin_va_start((ap), (last))
-
-#define	va_arg(ap, type) \
-	__builtin_va_arg((ap), type)
-
-#if __ISO_C_VISIBLE >= 1999
-#define	va_copy(dest, src) \
-	__builtin_va_copy((dest), (src))
-#endif
-
-#define	va_end(ap) \
-	__builtin_va_end(ap)
+#include <sys/_stdarg.h>
 
-#else	/* ! __GNUCLIKE_BUILTIN_STDARG */
-
-#if !defined(__GNUCLIKE_BUILTIN_NEXT_ARG) && !defined(lint)
-#error no support for your compiler
+#ifndef va_start
+  #error this file needs to be ported to your compiler
 #endif
 
-#define	va_start(ap, last) \
-	(__builtin_next_arg(last), (ap) = (va_list)__builtin_saveregs())
-
-#define va_end(ap)	
-
-#define	__va_arg8(ap, type) \
-	(*(type *)(void *)((ap) += 8, (ap) - 8))
-#define	__va_arg16(ap, type) \
-	(*(type *)(void *)((ap) = (va_list)(((unsigned long)(ap) + 31) & -16),\
-			   (ap) - 16))
-#define	__va_int(ap, type) \
-	(*(type *)(void *)((ap) += 8, (ap) - sizeof(type)))
-
-#define	__REAL_TYPE_CLASS	8
-#define	__RECORD_TYPE_CLASS	12
-#define va_arg(ap, type) \
-	(__builtin_classify_type(*(type *)0) == __REAL_TYPE_CLASS ?	\
-	 (__alignof__(type) == 16 ? __va_arg16(ap, type) :		\
-	  __va_arg8(ap, type)) :					\
-	 (__builtin_classify_type(*(type *)0) < __RECORD_TYPE_CLASS ?	\
-	  __va_int(ap, type) :						\
-	  (sizeof(type) <= 8 ? __va_arg8(ap, type) :			\
-	   (sizeof(type) <= 16 ? __va_arg16(ap, type) :			\
-	    *__va_arg8(ap, type *)))))
-
-#endif /* __GNUCLIKE_BUILTIN_STDARG */
-
 #endif /* !_MACHINE_STDARG_H_ */