1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright 1985 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#ifndef _sys_exec_h
28#define	_sys_exec_h
29
30#pragma ident	"%Z%%M%	%I%	%E% SMI"
31
32/*
33 * format of the exec header
34 * known by kernel and by user programs
35 */
36struct exec {
37	unsigned char	a_dynamic:1;	/* has a __DYNAMIC */
38	unsigned char	a_toolversion:7;/* version of toolset used to create this file */
39	unsigned char	a_machtype;	/* machine type */
40	unsigned short	a_magic;	/* magic number */
41	unsigned long	a_text;		/* size of text segment */
42	unsigned long	a_data;		/* size of initialized data */
43	unsigned long	a_bss;		/* size of uninitialized data */
44	unsigned long	a_syms;		/* size of symbol table */
45	unsigned long	a_entry;	/* entry point */
46	unsigned long	a_trsize;	/* size of text relocation */
47	unsigned long	a_drsize;	/* size of data relocation */
48};
49
50#define	OMAGIC	0407		/* old impure format */
51#define	NMAGIC	0410		/* read-only text */
52#define	ZMAGIC	0413		/* demand load format */
53
54/* machine types */
55
56#define M_OLDSUN2	0	/* old sun-2 executable files */
57#define M_68010		1	/* runs on either 68010 or 68020 */
58#define M_68020		2	/* runs only on 68020 */
59#define M_SPARC		3	/* runs only on SPARC */
60
61#define TV_SUN2_SUN3	0
62#define TV_SUN4		1
63
64#endif /* !_sys_exec_h */
65