xref: /netbsd-src/sys/arch/sparc/include/profile.h (revision 2a399c6883d870daece976daec6ffa7bb7f934ce)
1 /*	$NetBSD: profile.h,v 1.8 1997/02/01 20:56:40 mrg Exp $ */
2 
3 /*
4  * Copyright (c) 1992, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * This software was developed by the Computer Systems Engineering group
8  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
9  * contributed to Berkeley.
10  *
11  * All advertising materials mentioning features or use of this software
12  * must display the following acknowledgement:
13  *	This product includes software developed by the University of
14  *	California, Lawrence Berkeley Laboratory.
15  *
16  * Redistribution and use in source and binary forms, with or without
17  * modification, are permitted provided that the following conditions
18  * are met:
19  * 1. Redistributions of source code must retain the above copyright
20  *    notice, this list of conditions and the following disclaimer.
21  * 2. Redistributions in binary form must reproduce the above copyright
22  *    notice, this list of conditions and the following disclaimer in the
23  *    documentation and/or other materials provided with the distribution.
24  * 3. All advertising materials mentioning features or use of this software
25  *    must display the following acknowledgement:
26  *	This product includes software developed by the University of
27  *	California, Berkeley and its contributors.
28  * 4. Neither the name of the University nor the names of its contributors
29  *    may be used to endorse or promote products derived from this software
30  *    without specific prior written permission.
31  *
32  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
33  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
34  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
35  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
36  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
37  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
38  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
39  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
40  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
41  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
42  * SUCH DAMAGE.
43  *
44  *	@(#)profile.h	8.1 (Berkeley) 6/11/93
45  */
46 
47 #ifdef PIC
48 /* Inline expansion of PICCY_SET() (see <machine/asm.h>). */
49 #define MCOUNT \
50 	__asm__(".global mcount");\
51 	__asm__("mcount:");\
52 	__asm__("add %o7, 8, %o1");\
53 	__asm__("1: call 2f; nop; 2:");\
54 	__asm__("add %o7,__mcount-1b, %o2");\
55 	__asm__("ld [%o2], %o2");\
56 	__asm__("jmpl %o2, %g0");\
57 	__asm__("add %i7, 8, %o0");
58 #else
59 #define MCOUNT \
60 	__asm__(".global mcount");\
61 	__asm__("mcount:");\
62 	__asm__("add %i7, 8, %o0");\
63 	__asm__("sethi %hi(__mcount), %o2");\
64 	__asm__("jmpl %o2 + %lo(__mcount), %g0");\
65 	__asm__("add %o7, 8, %o1");
66 #endif
67 
68 #define	_MCOUNT_DECL	static void _mcount
69 
70 #ifdef _KERNEL
71 /*
72  * Block interrupts during mcount so that those interrupts can also be
73  * counted (as soon as we get done with the current counting).  On the
74  * SPARC, we just splhigh/splx as those do not recursively invoke mcount.
75  */
76 #define	MCOUNT_ENTER	s = splhigh()
77 #define	MCOUNT_EXIT	splx(s)
78 #endif /* _KERNEL */
79