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
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
|
/*-
* Copyright (c) 1991, 2001 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.
*
* @(#)gmon.h 5.2 (Berkeley) 5/6/91
*/
#ifndef gmon_h
#define gmon_h
/* Size of the 4.4BSD gmon header */
#define GMON_HDRSIZE_BSD44_32 (4 + 4 + 4 + 4 + 4 + (3 * 4))
#define GMON_HDRSIZE_BSD44_64 (8 + 8 + 4 + 4 + 4 + (3 * 4))
#if 0 /* For documentation purposes only. */
struct raw_phdr
{
char low_pc[sizeof(void *)]; /* base pc address of sample buffer */
char high_pc[sizeof(void *)];/* max pc address of sampled buffer */
char ncnt[4]; /* size of sample buffer (plus this
header) */
char version[4]; /* version number */
char profrate[4]; /* profiling clock rate */
char spare[3*4]; /* reserved */
};
#endif
#define GMONVERSION 0x00051879
/* Size of the old BSD gmon header */
#define GMON_HDRSIZE_OLDBSD_32 (4 + 4 + 4)
/* FIXME: Checking host compiler defines here means that we can't
use a cross gprof alpha OSF. */
#if defined(__alpha__) && defined (__osf__)
#define GMON_HDRSIZE_OLDBSD_64 (8 + 8 + 4 + 4)
#else
#define GMON_HDRSIZE_OLDBSD_64 (8 + 8 + 4)
#endif
#if 0 /* For documentation purposes only. */
struct old_raw_phdr
{
char low_pc[sizeof(void *)]; /* base pc address of sample buffer */
char high_pc[sizeof(void *)];/* max pc address of sampled buffer */
char ncnt[4]; /* size of sample buffer (plus this
header) */
#if defined (__alpha__) && defined (__osf__)
/*
* DEC's OSF v3.0 uses 4 bytes of padding to bring the header to
* a size that is a multiple of 8.
*/
char pad[4];
#endif
};
#endif
/*
* Histogram counters are unsigned shorts:
*/
#define HISTCOUNTER unsigned short
/*
* Fraction of text space to allocate for histogram counters here, 1/2:
*/
#define HISTFRACTION 2
/*
* Fraction of text space to allocate for from hash buckets. The
* value of HASHFRACTION is based on the minimum number of bytes of
* separation between two subroutine call points in the object code.
* Given MIN_SUBR_SEPARATION bytes of separation the value of
* HASHFRACTION is calculated as:
*
* HASHFRACTION = MIN_SUBR_SEPARATION / (2 * sizeof(short) - 1);
*
* For the VAX, the shortest two call sequence is:
*
* calls $0,(r0)
* calls $0,(r0)
*
* which is separated by only three bytes, thus HASHFRACTION is
* calculated as:
*
* HASHFRACTION = 3 / (2 * 2 - 1) = 1
*
* Note that the division above rounds down, thus if MIN_SUBR_FRACTION
* is less than three, this algorithm will not work!
*/
#define HASHFRACTION 1
/*
* Percent of text space to allocate for tostructs with a minimum:
*/
#define ARCDENSITY 2
#define MINARCS 50
struct tostruct
{
char *selfpc;
int count;
unsigned short link;
};
/*
* A raw arc, with pointers to the calling site and the called site
* and a count. Everything is defined in terms of characters so
* as to get a packed representation (otherwise, different compilers
* might introduce different padding):
*/
#if 0 /* For documentation purposes only. */
struct raw_arc
{
char from_pc[sizeof(void *)];
char self_pc[sizeof(void *)];
char count[sizeof(long)];
};
#endif
/*
* General rounding functions:
*/
#define ROUNDDOWN(x,y) (((x)/(y))*(y))
#define ROUNDUP(x,y) ((((x)+(y)-1)/(y))*(y))
#endif /* gmon_h */
|
