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[unix-history] / sys / sys / exec.h
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1/*-
2 * Copyright (c) 1982, 1986 The Regents of the University of California.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
78ed81a3 33 * from: @(#)exec.h 7.5 (Berkeley) 2/15/91
34 * $Id$
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35 */
36
37#ifndef _EXEC_H_
38#define _EXEC_H_
39
40/* Header prepended to each a.out file. */
41struct exec {
42#if !defined(vax) && !defined(tahoe) && !defined(i386)
43unsigned short a_mid; /* machine ID */
44unsigned short a_magic; /* magic number */
45#else
46 long a_magic; /* magic number */
47#endif
48unsigned long a_text; /* text segment size */
49unsigned long a_data; /* initialized data size */
50unsigned long a_bss; /* uninitialized data size */
51unsigned long a_syms; /* symbol table size */
52unsigned long a_entry; /* entry point */
53unsigned long a_trsize; /* text relocation size */
54unsigned long a_drsize; /* data relocation size */
55};
56#define a_machtype a_mid /* SUN compatibility */
57
58/* a_magic */
59#define OMAGIC 0407 /* old impure format */
60#define NMAGIC 0410 /* read-only text */
61#define ZMAGIC 0413 /* demand load format */
78ed81a3 62#define QMAGIC 0314 /* "compact" demand load format -- DEPRICATE */
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63
64/* a_mid */
65#define MID_ZERO 0 /* unknown - implementation dependent */
66#define MID_SUN010 1 /* sun 68010/68020 binary */
67#define MID_SUN020 2 /* sun 68020-only binary */
68#define MID_HP200 200 /* hp200 (68010) BSD binary */
69#define MID_HP300 300 /* hp300 (68020+68881) BSD binary */
70#define MID_HPUX 0x20C /* hp200/300 HP-UX binary */
71#define MID_HPUX800 0x20B /* hp800 HP-UX binary */
72
73#endif /* !_EXEC_H_ */