Annotation of sys/ddb/db_aout.h, Revision 1.1.1.1
1.1 nbrk 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_ */
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