1/* $OpenBSD: nlist.h,v 1.4 2003/06/02 19:34:12 millert Exp $ */
2/* $NetBSD: nlist.h,v 1.5 1994/10/26 00:56:11 cgd Exp $ */
3
4/*-
5 * Copyright (c) 1991, 1993
6 * The Regents of the University of California. All rights reserved.
7 * (c) UNIX System Laboratories, Inc.
8 * All or some portions of this file are derived from material licensed
9 * to the University of California by American Telephone and Telegraph
10 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
11 * the permission of UNIX System Laboratories, Inc.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 * 3. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 * @(#)nlist.h 8.2 (Berkeley) 1/21/94
38 */
39
40#ifndef _NLIST_H_
41#define _NLIST_H_
42
43/*
44 * Symbol table entry format. The #ifdef's are so that programs including
45 * nlist.h can initialize nlist structures statically.
46 */
47struct nlist {
48#ifdef _AOUT_INCLUDE_
49 union {
50 char *n_name; /* symbol name (in memory) */
51 long n_strx; /* file string table offset (on disk) */
52 } n_un;
53#else
54 char *n_name; /* symbol name (in memory) */
55#endif
56
57#define N_UNDF 0x00 /* undefined */
58#define N_ABS 0x02 /* absolute address */
59#define N_TEXT 0x04 /* text segment */
60#define N_DATA 0x06 /* data segment */
61#define N_BSS 0x08 /* bss segment */
62#define N_INDR 0x0a /* alias definition */
63#define N_SIZE 0x0c /* pseudo type, defines a symbol's size */
64#define N_COMM 0x12 /* common reference */
65#define N_FN 0x1e /* file name (N_EXT on) */
66#define N_WARN 0x1e /* warning message (N_EXT off) */
67
68#define N_EXT 0x01 /* external (global) bit, OR'ed in */
69#define N_TYPE 0x1e /* mask for all the type bits */
70 unsigned char n_type; /* type defines */
71
72 char n_other; /* spare */
73#define n_hash n_desc /* used internally by ld(1); XXX */
74 short n_desc; /* used by stab entries */
75 unsigned long n_value; /* address/value of the symbol */
76};
77
78#define N_FORMAT "%08x" /* namelist value format; XXX */
79#define N_STAB 0x0e0 /* mask for debugger symbols -- stab(5) */
80
81#include <sys/cdefs.h>
82
83__BEGIN_DECLS
84int nlist(const char *, struct nlist *);
85__END_DECLS
86
87#endif /* !_NLIST_H_ */