initial import of NetBSD tree

1 files changed, 61 insertions, 0 deletions

diff --git a/sys/lib/libkern/arch/sparc/saveregs.S b/sys/lib/libkern/arch/sparc/saveregs.S
new file mode 100644
index 00000000000..f8f9ced8c0b
--- /dev/null
+++ b/sys/lib/libkern/arch/sparc/saveregs.S
@@ -0,0 +1,61 @@
+/*	$NetBSD: saveregs.S,v 1.2 1994/10/26 06:40:07 cgd Exp $	*/
+
+/*
+ * 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.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. 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, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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
+ * 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)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * Header: saveregs.s,v 1.1 91/07/06 17:22:33 torek Exp
+ */
+
+/*
+ * Save register arguments in caller's `arg dump' area, so that
+ * stdarg functions work.
+ *
+ * This really should be done with a pointer to the arg dump area;
+ * our caller should allocate that area, not our caller's caller.
+ * But then, they did not let me invent the calling sequence....
+ *
+ * We assume the caller has executed a `save' instruction.
+ */
+#include "DEFS.h"
+
+ENTRY(__builtin_saveregs)
+	st	%i0, [%fp + 0x44]	! fr->fr_argd[0]
+	st	%i1, [%fp + 0x48]	! fr->fr_argd[1]
+	st	%i2, [%fp + 0x4c]	! fr->fr_argd[2]
+	st	%i3, [%fp + 0x50]	! fr->fr_argd[3]
+	st	%i4, [%fp + 0x54]	! fr->fr_argd[4]
+	retl
+	st	%i5, [%fp + 0x58]	! fr->fr_argd[5]