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1.1 root 1: /*
2: * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3: *
4: * @APPLE_LICENSE_HEADER_START@
5: *
6: * The contents of this file constitute Original Code as defined in and
7: * are subject to the Apple Public Source License Version 1.1 (the
8: * "License"). You may not use this file except in compliance with the
9: * License. Please obtain a copy of the License at
10: * http://www.apple.com/publicsource and read it before using this file.
11: *
12: * This Original Code and all software distributed under the License are
13: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
16: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
17: * License for the specific language governing rights and limitations
18: * under the License.
19: *
20: * @APPLE_LICENSE_HEADER_END@
21: */
22: /*
23: * @OSF_COPYRIGHT@
24: */
25: /*
26: * HISTORY
27: *
28: * Revision 1.1.1.1 1998/09/22 21:05:48 wsanchez
29: * Import of Mac OS X kernel (~semeria)
30: *
31: * Revision 1.1.1.1 1998/03/07 02:26:09 wsanchez
32: * Import of OSF Mach kernel (~mburg)
33: *
34: * Revision 1.1.11.2 1995/01/06 19:11:11 devrcs
35: * mk6 CR668 - 1.3b26 merge
36: * Add padding for alpha, make n_other unsigned,
37: * fix erroneous def of N_FN.
38: * [1994/10/14 03:40:03 dwm]
39: *
40: * Revision 1.1.11.1 1994/09/23 01:23:37 ezf
41: * change marker to not FREE
42: * [1994/09/22 21:11:49 ezf]
43: *
44: * Revision 1.1.4.3 1993/07/27 18:28:42 elliston
45: * Add ANSI prototypes. CR #9523.
46: * [1993/07/27 18:13:44 elliston]
47: *
48: * Revision 1.1.4.2 1993/06/02 23:13:34 jeffc
49: * Added to OSF/1 R1.3 from NMK15.0.
50: * [1993/06/02 20:58:08 jeffc]
51: *
52: * Revision 1.1 1992/09/30 02:24:29 robert
53: * Initial revision
54: *
55: * $EndLog$
56: */
57: /* CMU_HIST */
58: /*
59: * Revision 2.4 91/05/14 15:38:20 mrt
60: * Correcting copyright
61: *
62: * Revision 2.3 91/02/05 17:07:42 mrt
63: * Changed to new Mach copyright
64: * [91/01/31 16:20:26 mrt]
65: *
66: * 11-Aug-88 David Golub (dbg) at Carnegie-Mellon University
67: * Added n_un, n_strx definitions for kernel debugger (from
68: * a.out.h).
69: *
70: */
71: /* CMU_ENDHIST */
72: /*
73: * Mach Operating System
74: * Copyright (c) 1991 Carnegie Mellon University
75: * All Rights Reserved.
76: *
77: * Permission to use, copy, modify and distribute this software and its
78: * documentation is hereby granted, provided that both the copyright
79: * notice and this permission notice appear in all copies of the
80: * software, derivative works or modified versions, and any portions
81: * thereof, and that both notices appear in supporting documentation.
82: *
83: * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
84: * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
85: * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
86: *
87: * Carnegie Mellon requests users of this software to return to
88: *
89: * Software Distribution Coordinator or [email protected]
90: * School of Computer Science
91: * Carnegie Mellon University
92: * Pittsburgh PA 15213-3890
93: *
94: * any improvements or extensions that they make and grant Carnegie Mellon
95: * the rights to redistribute these changes.
96: */
97: /*
98: */
99: /*
100: * nlist.h - symbol table entry structure for an a.out file
101: * derived from FSF's a.out.gnu.h
102: *
103: */
104:
105: #ifndef _DDB_NLIST_H_
106: #define _DDB_NLIST_H_
107:
108: struct nlist {
109: union n_un {
110: char *n_name; /* symbol name */
111: long n_strx; /* index into file string table */
112: } n_un;
113: unsigned char n_type; /* type flag, i.e. N_TEXT etc; see below */
114: unsigned char n_other; /* unused */
115: short n_desc; /* see <stab.h> */
116: #if defined(__alpha)
117: int n_pad; /* alignment, used to carry framesize info */
118: #endif
119: vm_offset_t n_value; /* value of this symbol (or sdb offset) */
120: };
121:
122: /*
123: * Simple values for n_type.
124: */
125: #define N_UNDF 0 /* undefined */
126: #define N_ABS 2 /* absolute */
127: #define N_TEXT 4 /* text */
128: #define N_DATA 6 /* data */
129: #define N_BSS 8 /* bss */
130: #define N_FN 0x1e /* file name symbol */
131: #define N_EXT 1 /* external bit, or'ed in */
132: #define N_TYPE 0x1e /* mask for all the type bits */
133: #define N_STAB 0xe0 /* if any of these bits set, a SDB entry */
134:
135: #endif /* !_DDB_NLIST_H_ */
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