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