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
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
/* $OpenBSD: profile.h,v 1.2 2013/03/02 22:42:48 miod Exp $ */
/* $NetBSD: profile.h,v 1.5 2006/10/26 23:54:28 uwe Exp $ */
/*-
* Copyright (c) 2000 Tsubai Masanari. 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
#if defined(__ELF__)
#define _MCOUNT_DECL static void _mcount
#else
#define _MCOUNT_DECL static void mcount
#endif
#define MCOUNT __asm (" \n\
.text \n\
.align 2 \n\
.globl __mcount \n\
__mcount: \n\
mov.l r4, @-r15 \n\
mov.l r5, @-r15 \n\
mov.l r6, @-r15 \n\
mov.l r7, @-r15 \n\
mov.l r0, @-r15 \n\
mov.l r14, @-r15 \n\
sts.l pr, @-r15 \n\
mov r15, r14 \n\
\n\
mov.l 1f, r1 ! _mcount \n\
sts pr, r4 ! frompc \n\
0: bsrf r1 \n\
mov r0, r5 ! selfpc \n\
\n\
mov r14, r15 \n\
lds.l @r15+, pr \n\
mov.l @r15+, r14 \n\
mov.l @r15+, r0 \n\
mov.l @r15+, r7 \n\
mov.l @r15+, r6 \n\
mov.l @r15+, r5 \n\
jmp @r0 ! real function \n\
mov.l @r15+, r4 \n\
\n\
.align 2 \n\
1: .long _mcount - ((0b) + 4) \n\
\n\
.size __mcount, . - __mcount ");
#ifdef _KERNEL
#define MCOUNT_ENTER s = splhigh()
#define MCOUNT_EXIT splx(s)
#endif
|
