1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
/* $OpenBSD: profile.h,v 1.6 2000/04/26 03:08:42 bjc Exp $ */
/* $NetBSD: profile.h,v 1.5 1995/12/31 12:15:58 ragge Exp $ */
/*
* Copyright (c) 1992 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)profile.h 7.1 (Berkeley) 7/16/92
*/
/*
* _mcount can't be declared static, gcc will optimize it away then.
*/
#define _MCOUNT_DECL void _mcount
/*
* Note here: the second argument to __mcount() is pc when mcount
* was called. Because it's already on the stack we only have to
* push previous pc _and_ tell calls that it is only one argument
* to __mcount, so that our return address won't get popped from stack.
*/
#define MCOUNT \
__asm__(".text; .globl mcount; mcount: pushl 16(fp); calls $1,__mcount; rsb");
#ifdef _KERNEL
/*
* Note that we assume splhigh() and splx() cannot call mcount()
* recursively.
*/
#define MCOUNT_ENTER s = splhigh()
#define MCOUNT_EXIT splx(s)
#endif /* _KERNEL */
|
