profile.h revision 1.5 
1/*	$NetBSD: profile.h,v 1.5 1995/03/28 18:19:23 jtc Exp $	*/
2
3/*
4 * Copyright (c) 1992, 1993
5 *	The Regents of the University of California.  All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * Ralph Campbell.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 *    must display the following acknowledgement:
20 *	This product includes software developed by the University of
21 *	California, Berkeley and its contributors.
22 * 4. Neither the name of the University nor the names of its contributors
23 *    may be used to endorse or promote products derived from this software
24 *    without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
37 *
38 *	@(#)profile.h	8.1 (Berkeley) 6/10/93
39 */
40
41#define	_MCOUNT_DECL static void __mcount
42
43#define	MCOUNT \
44	asm(".globl _mcount;" \
45	"_mcount:;" \
46	".set noreorder;" \
47	".set noat;" \
48	"sw $4,8($29);" \
49	"sw $5,12($29);" \
50	"sw $6,16($29);" \
51	"sw $7,20($29);" \
52	"sw $1,0($29);" \
53	"sw $31,4($29);" \
54	"move $5,$31;" \
55	"jal __mcount;" \
56	"move $4,$1;" \
57	"lw $4,8($29);" \
58	"lw $5,12($29);" \
59	"lw $6,16($29);" \
60	"lw $7,20($29);" \
61	"lw $31,4($29);" \
62	"lw $1,0($29);" \
63	"addu $29,$29,8;" \
64	"j $31;" \
65	"move $31,$1;" \
66	".set reorder;" \
67	".set at");
68
69#ifdef _KERNEL
70/*
71 * The following two macros do splhigh and splx respectively.
72 * They have to be defined this way because these are real
73 * functions on the PMAX, and we do not want to invoke mcount
74 * recursively.
75 */
76#define	MCOUNT_ENTER	s = _splhigh()
77
78#define	MCOUNT_EXIT	_splx(s)
79#endif /* _KERNEL */
80