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  */
47 struct 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
84 int nlist(const char *, struct nlist *);
85 __END_DECLS
86 
87 #endif /* !_NLIST_H_ */
88