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
|
#ifndef __M88K_PROFILE_H__
#define __M88K_PROFILE_H__
/* $OpenBSD: profile.h,v 1.3 2005/04/30 16:42:36 miod Exp $ */
/*
* Copyright (c) 2004, Miodrag Vallat.
*
* 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.
*
* 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.
*/
#define _MCOUNT_DECL static inline void _mcount
/*
* On OpenBSD, calls to the function profiler save r2-r9 on stack. The
* monitor point is found in r1. The function's return address is taken
* from the stack frame pointed to by r30.
*/
#define MCOUNT \
extern void mcount(void) __asm__ ("mcount"); \
void \
mcount() \
{ \
int returnaddress, monpoint; \
__asm__ __volatile__ ("or %0, r1, r0" : "=r"(returnaddress)); \
__asm__ __volatile__ ("ld %0, r30, 4" : "=r"(monpoint)); \
_mcount(monpoint, returnaddress); \
}
#ifdef _KERNEL
#define MCOUNT_ENTER disable_interrupt(s)
#define MCOUNT_EXIT set_psr(s)
#endif /* _KERNEL */
#endif /* __M88K_PROFILE_H__ */
|