1/*	$NetBSD: profile.h,v 1.7 2007/04/07 09:02:07 skrll Exp $	*/
2
3/*	$OpenBSD: profile.h,v 1.1 1998/12/05 17:25:55 mickey Exp $	*/
4
5/*
6 * Copyright (c) 1992, 1993
7 *	The Regents of the University of California.  All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the University nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 *	@(#)profile.h	8.1 (Berkeley) 6/11/93
34 */
35
36#define	_MCOUNT_DECL	void _mcount
37#define _MCOUNT_FUNC	mcount
38
39#ifdef _KERNEL
40#define	MCOUNT_ENTER			\
41        __asm volatile (		\
42	    "mfctl %%eiem, %0\n\t"	\
43	    "mtctl %%r0, %%eiem"	\
44	    : "=r"(s) /* output */	\
45	    : /* no inputs */);
46
47#define	MCOUNT_EXIT	\
48	__asm volatile("mtctl %0, %%eiem" : /* no outputs */ : "r" (s))
49
50#endif /* _KERNEL */
51