1/* $NetBSD: nlist.h,v 1.14 2009/08/21 08:42:02 he Exp $ */
2
3/*-
4 * Copyright (c) 1991, 1993
5 * The Regents of the University of California. All rights reserved.
6 * (c) UNIX System Laboratories, Inc.
7 * All or some portions of this file are derived from material licensed
8 * to the University of California by American Telephone and Telegraph
9 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
10 * the permission of UNIX System Laboratories, Inc.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * @(#)nlist.h 8.2 (Berkeley) 1/21/94
37 */
38
39#ifndef _NLIST_H_
40#define _NLIST_H_
41
42#include <sys/cdefs.h>
43
44/*
45 * Symbol table entry format. The #ifdef's are so that programs including
46 * nlist.h can initialize nlist structures statically.
47 */
48struct nlist {
49#ifdef _AOUT_INCLUDE_
50 union {
51 __aconst char *n_name; /* symbol name (in memory) */
52 long n_strx; /* file string table offset (on disk) */
53 } n_un;
54# define N_NAME(nlp) ((nlp)->n_un.n_name)
55#else
56 const char *n_name; /* symbol name (in memory) */
57# define N_NAME(nlp) ((nlp)->n_name)
58#endif
59
60#define N_UNDF 0x00 /* undefined */
61#define N_ABS 0x02 /* absolute address */
62#define N_TEXT 0x04 /* text segment */
63#define N_DATA 0x06 /* data segment */
64#define N_BSS 0x08 /* bss segment */
65#define N_INDR 0x0a /* alias definition */
66#define N_SIZE 0x0c /* pseudo type, defines a symbol's size */
67#define N_COMM 0x12 /* common reference */
68#define N_SETA 0x14 /* absolute set element symbol */
69#define N_SETT 0x16 /* text set element symbol */
70#define N_SETD 0x18 /* data set element symbol */
71#define N_SETB 0x1a /* bss set element symbol */
72#define N_SETV 0x1c /* set vector symbol */
73#define N_FN 0x1e /* file name (N_EXT on) */
74#define N_WARN 0x1e /* warning message (N_EXT off) */
75
76#define N_EXT 0x01 /* external (global) bit, OR'ed in */
77#define N_TYPE 0x1e /* mask for all the type bits */
78 unsigned char n_type; /* type defines */
79
80 char n_other; /* spare */
81#define n_hash n_desc /* used internally by ld(1); XXX */
82 short n_desc; /* used by stab entries */
83 unsigned long n_value; /* address/value of the symbol */
84};
85
86#define N_FORMAT "%08x" /* namelist value format; XXX */
87#define N_STAB 0x0e0 /* mask for debugger symbols -- stab(5) */
88
89__BEGIN_DECLS
90int nlist(const char *, struct nlist *);
91int __fdnlist(int, struct nlist *); /* XXX for libkvm */
92__END_DECLS
93
94#endif /* !_NLIST_H_ */
95