1 /*	$OpenBSD: db_aout.h,v 1.2 2003/06/02 23:28:01 millert Exp $	*/
2 /*	$NetBSD: db_aout.h,v 1.1 1996/02/27 20:54:44 gwr 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 
38 /*
39  * This is an in-line expansion of "a.out.h" customized for ddb.
40  */
41 
42 #ifndef _DB_AOUT_H_
43 #define	_DB_AOUT_H_
44 
45 /*
46  *	@(#)nlist.h	8.2 (Berkeley) 1/21/94
47  */
48 
49 /*
50  * Symbol table entry format.  The #ifdef's are so that programs including
51  * nlist.h can initialize nlist structures statically.
52  */
53 struct nlist {
54 	union {
55 		char *n_name;	/* symbol name (in memory) */
56 		long n_strx;	/* file string table offset (on disk) */
57 	} n_un;
58 
59 #define	N_UNDF	0x00		/* undefined */
60 #define	N_ABS	0x02		/* absolute address */
61 #define	N_TEXT	0x04		/* text segment */
62 #define	N_DATA	0x06		/* data segment */
63 #define	N_BSS	0x08		/* bss segment */
64 #define	N_INDR	0x0a		/* alias definition */
65 #define	N_SIZE	0x0c		/* pseudo type, defines a symbol's size */
66 #define	N_COMM	0x12		/* common reference */
67 #define	N_FN	0x1e		/* file name (N_EXT on) */
68 
69 #define	N_EXT	0x01		/* external (global) bit, OR'ed in */
70 #define	N_TYPE	0x1e		/* mask for all the type bits */
71 	unsigned char n_type;	/* type defines */
72 
73 	char n_other;		/* spare */
74 #define	n_hash	n_desc		/* used internally by ld(1); XXX */
75 	short n_desc;		/* used by stab entries */
76 	unsigned long n_value;	/* address/value of the symbol */
77 };
78 
79 #define	N_FORMAT	"%08x"	/* namelist value format; XXX */
80 #define	N_STAB		0x0e0	/* mask for debugger symbols -- stab(5) */
81 
82 /* End nlist.h */
83 
84 /*
85  *	@(#)stab.h	5.2 (Berkeley) 4/4/91
86  */
87 
88 /*
89  * The following are symbols used by various debuggers and by the Pascal
90  * compiler.  Each of them must have one (or more) of the bits defined by
91  * the N_STAB mask set.
92  */
93 
94 #define	N_GSYM		0x20	/* global symbol */
95 #define	N_FNAME		0x22	/* F77 function name */
96 #define	N_FUN		0x24	/* procedure name */
97 #define	N_STSYM		0x26	/* data segment variable */
98 #define	N_LCSYM		0x28	/* bss segment variable */
99 #define	N_MAIN		0x2a	/* main function name */
100 #define	N_PC		0x30	/* global Pascal symbol */
101 #define	N_RSYM		0x40	/* register variable */
102 #define	N_SLINE		0x44	/* text segment line number */
103 #define	N_DSLINE	0x46	/* data segment line number */
104 #define	N_BSLINE	0x48	/* bss segment line number */
105 #define	N_SSYM		0x60	/* structure/union element */
106 #define	N_SO		0x64	/* main source file name */
107 #define	N_LSYM		0x80	/* stack variable */
108 #define	N_BINCL		0x82	/* include file beginning */
109 #define	N_SOL		0x84	/* included source file name */
110 #define	N_PSYM		0xa0	/* parameter variable */
111 #define	N_EINCL		0xa2	/* include file end */
112 #define	N_ENTRY		0xa4	/* alternate entry point */
113 #define	N_LBRAC		0xc0	/* left bracket */
114 #define	N_EXCL		0xc2	/* deleted include file */
115 #define	N_RBRAC		0xe0	/* right bracket */
116 #define	N_BCOMM		0xe2	/* begin common */
117 #define	N_ECOMM		0xe4	/* end common */
118 #define	N_ECOML		0xe8	/* end common (local name) */
119 #define	N_LENG		0xfe	/* length of preceding entry */
120 
121 #endif /* !_DB_AOUT_H_ */
122