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_ */
88