xref: /netbsd-src/sys/arch/mips/include/profile.h (revision 38023541164cff097d5fadec63134189b1453b8c)
1 /*
2  * Copyright (c) 1992 Regents of the University of California.
3  * All rights reserved.
4  *
5  * This code is derived from software contributed to Berkeley by
6  * Ralph Campbell.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *	This product includes software developed by the University of
19  *	California, Berkeley and its contributors.
20  * 4. Neither the name of the University nor the names of its contributors
21  *    may be used to endorse or promote products derived from this software
22  *    without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  *
36  * from: @(#)profile.h	7.3 (Berkeley) 2/26/93
37  * $Id: profile.h,v 1.1.1.1 1993/10/12 03:22:40 deraadt Exp $
38  */
39 
40 #define	_MCOUNT_DECL static void __mcount
41 
42 #define	MCOUNT \
43 	asm(".globl _mcount;" \
44 	"_mcount:;" \
45 	".set noreorder;" \
46 	".set noat;" \
47 	"sw $4,8($29);" \
48 	"sw $5,12($29);" \
49 	"sw $6,16($29);" \
50 	"sw $7,20($29);" \
51 	"sw $1,0($29);" \
52 	"sw $31,4($29);" \
53 	"move $5,$31;" \
54 	"jal __mcount;" \
55 	"move $4,$1;" \
56 	"lw $4,8($29);" \
57 	"lw $5,12($29);" \
58 	"lw $6,16($29);" \
59 	"lw $7,20($29);" \
60 	"lw $31,4($29);" \
61 	"lw $1,0($29);" \
62 	"addu $29,$29,8;" \
63 	"j $31;" \
64 	"move $31,$1;" \
65 	".set reorder;" \
66 	".set at");
67 
68 #ifdef KERNEL
69 /*
70  * The following two macros do splhigh and splx respectively.
71  * They have to be defined this way because these are real
72  * functions on the PMAX, and we do not want to invoke mcount
73  * recursively.
74  */
75 #define	MCOUNT_ENTER
76 
77 #define	MCOUNT_EXIT
78 #endif /* KERNEL */
79