profile.h revision 1.2 
1/*	$NetBSD: profile.h,v 1.2 2000/08/22 11:25:49 tsubai Exp $	*/
2
3/*-
4 * Copyright (c) 2000 Tsubai Masanari.  All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 *    derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#define _MCOUNT_DECL static void mcount
30
31#define MCOUNT __asm ("			\n\
32	.text				\n\
33	.align	2			\n\
34	.globl	__mcount		\n\
35__mcount:				\n\
36	mov.l	r0,@-r15		\n\
37	mov.l	r4,@-r15		\n\
38	mov.l	r5,@-r15		\n\
39	mov.l	r6,@-r15		\n\
40	mov.l	r7,@-r15		\n\
41	mov.l	r14,@-r15		\n\
42	sts.l	pr,@-r15		\n\
43	mov	r15,r14			\n\
44					\n\
45	mov.l	1f,r1	! _mcount	\n\
46	sts	pr,r4	! frompc	\n\
47	mov	r0,r5	! selfpc	\n\
48	jsr	@r1			\n\
49	nop				\n\
50					\n\
51	mov	r14,r15			\n\
52	lds.l	@r15+,pr		\n\
53	mov.l	@r15+,r14		\n\
54	mov.l	@r15+,r7		\n\
55	mov.l	@r15+,r6		\n\
56	mov.l	@r15+,r5		\n\
57	mov.l	@r15+,r4		\n\
58	mov.l	@r15+,r0		\n\
59					\n\
60	jmp	@r0	! return	\n\
61	nop				\n\
62					\n\
63	.align	2			\n\
641:	.long	_mcount			");
65
66#ifdef _KERNEL
67#define MCOUNT_ENTER	s = splhigh()
68#define MCOUNT_EXIT	splx(s)
69#endif
70