-
Notifications
You must be signed in to change notification settings - Fork 2
/
nlist.h
74 lines (68 loc) · 3 KB
/
nlist.h
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
/*-
* Copyright (c) 1991 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.
*/
#ifndef _NLIST_H_
#define _NLIST_H_
/*
* Symbol table entry format.
*/
struct nlist {
char *n_name; /* In memory address of symbol name,
* or string table offset (file) */
u_short n_len; /* Length of name in bytes */
u_short n_type; /* Type of symbol - see below */
u_int n_value; /* Symbol value */
};
/*
* Simple values for n_type.
*/
#define N_UNDF 0x00 /* undefined */
#define N_ABS 0x01 /* absolute */
#define N_TEXT 0x02 /* text segment */
#define N_DATA 0x03 /* data segment */
#define N_BSS 0x04 /* bss segment */
#define N_STRNG 0x05 /* string segment (for assembler) */
#define N_COMM 0x06 /* .comm segment (for assembler) */
#define N_FN 0x1f /* file name */
#define N_TYPE 0x1f /* mask for all the type bits */
#define N_EXT 0x20 /* external (global) bit, OR'ed in */
#define N_WEAK 0x40 /* weak reference bit, OR'ed in */
#define N_LOC 0x80 /* local, for assembler */
/*
* Get symbols from a file.
*/
int nlist (char *name, struct nlist *list);
/*
* Get kernel symbols.
*/
int knlist (struct nlist *list);
#endif /* !_NLIST_H_ */