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
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
/* $OpenBSD: profile.h,v 1.7 2002/08/11 12:13:16 art Exp $ */
/* $NetBSD: profile.h,v 1.8 1997/02/01 20:56:40 mrg Exp $ */
/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley.
*
* 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, Lawrence Berkeley Laboratory.
*
* 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 8.1 (Berkeley) 6/11/93
*/
/*
* Can't use _C_LABEL here.
*/
#ifdef __ELF__
#define _MCOUNT_SYM "__mcount"
#define _MCOUNT_ENTRY "_mcount"
#else
#define _MCOUNT_SYM "___mcount"
#define _MCOUNT_ENTRY "mcount"
#endif
#ifdef PIC
/* Inline expansion of PICCY_SET() (see <machine/asm.h>). */
#define MCOUNT \
__asm__(".global " _MCOUNT_ENTRY);\
__asm__(".text");\
__asm__(_MCOUNT_ENTRY ":");\
__asm__("add %o7, 8, %o1");\
__asm__("1: call 2f; nop; 2:");\
__asm__("add %o7," _MCOUNT_SYM "-1b, %o2");\
__asm__("ld [%o2], %o2");\
__asm__("jmpl %o2, %g0");\
__asm__("add %i7, 8, %o0");
#else
#define MCOUNT \
__asm__(".global " _MCOUNT_ENTRY);\
__asm__(".text");\
__asm__(_MCOUNT_ENTRY ":");\
__asm__("add %i7, 8, %o0");\
__asm__("sethi %hi(" _MCOUNT_SYM "), %o2");\
__asm__("jmpl %o2 + %lo(" _MCOUNT_SYM "), %g0");\
__asm__("add %o7, 8, %o1");
#endif
#define _MCOUNT_DECL static void __mcount
#ifdef _KERNEL
/*
* Block interrupts during mcount so that those interrupts can also be
* counted (as soon as we get done with the current counting). On the
* SPARC, we just splhigh/splx as those do not recursively invoke mcount.
*/
#define MCOUNT_ENTER s = splhigh()
#define MCOUNT_EXIT splx(s)
#endif /* _KERNEL */
|
