initial import of NetBSD tree

1 files changed, 67 insertions, 0 deletions

diff --git a/sys/arch/i386/include/profile.h b/sys/arch/i386/include/profile.h
new file mode 100644
index 00000000000..163ff3afc17
--- /dev/null
+++ b/sys/arch/i386/include/profile.h
@@ -0,0 +1,67 @@
+/*	$NetBSD: profile.h,v 1.6 1995/03/28 18:17:08 jtc Exp $	*/
+
+/*
+ * Copyright (c) 1992, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * 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.
+ *
+ *	@(#)profile.h	8.1 (Berkeley) 6/11/93
+ */
+
+#define	_MCOUNT_DECL static inline void _mcount
+
+#define	MCOUNT \
+extern void mcount() asm("mcount");					\
+void									\
+mcount()								\
+{									\
+	int selfpc, frompcindex;					\
+	/*								\
+	 * find the return address for mcount,				\
+	 * and the return address for mcount's caller.			\
+	 *								\
+	 * selfpc = pc pushed by mcount call				\
+	 */								\
+	asm("movl 4(%%ebp),%0" : "=r" (selfpc));			\
+	/*								\
+	 * frompcindex = pc pushed by call into self.			\
+	 */								\
+	asm("movl (%%ebp),%0;movl 4(%0),%0" : "=r" (frompcindex));	\
+	_mcount(frompcindex, selfpc);					\
+}
+
+#ifdef _KERNEL
+/*
+ * Note that we assume splhigh() and splx() cannot call mcount()
+ * recursively.
+ */
+#define	MCOUNT_ENTER	s = splhigh()
+#define	MCOUNT_EXIT	splx(s)
+#endif /* _KERNEL */