xref: /xnu-10002.81.5/osfmk/i386/exec.h (revision 5e3eaea39dcf651e66cb99ba7d70e32cc4a99587)
1 /*
2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3  *
4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5  *
6  * This file contains Original Code and/or Modifications of Original Code
7  * as defined in and that are subject to the Apple Public Source License
8  * Version 2.0 (the 'License'). You may not use this file except in
9  * compliance with the License. The rights granted to you under the License
10  * may not be used to create, or enable the creation or redistribution of,
11  * unlawful or unlicensed copies of an Apple operating system, or to
12  * circumvent, violate, or enable the circumvention or violation of, any
13  * terms of an Apple operating system software license agreement.
14  *
15  * Please obtain a copy of the License at
16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17  *
18  * The Original Code and all software distributed under the License are
19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23  * Please see the License for the specific language governing rights and
24  * limitations under the License.
25  *
26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27  */
28 /*
29  * @OSF_COPYRIGHT@
30  */
31 /*
32  * Mach Operating System
33  * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
34  * All Rights Reserved.
35  *
36  * Permission to use, copy, modify and distribute this software and its
37  * documentation is hereby granted, provided that both the copyright
38  * notice and this permission notice appear in all copies of the
39  * software, derivative works or modified versions, and any portions
40  * thereof, and that both notices appear in supporting documentation.
41  *
42  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
43  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
44  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
45  *
46  * Carnegie Mellon requests users of this software to return to
47  *
48  *  Software Distribution Coordinator  or  [email protected]
49  *  School of Computer Science
50  *  Carnegie Mellon University
51  *  Pittsburgh PA 15213-3890
52  *
53  * any improvements or extensions that they make and grant Carnegie Mellon
54  * the rights to redistribute these changes.
55  */
56 /*
57  */
58 /*
59  * exec stucture in an a.out file derived from FSF's
60  * a.out.gnu.h file.
61  */
62 
63 #ifndef _EXEC_
64 #define _EXEC_  1
65 
66 /*
67  * Header prepended to each a.out file.
68  */
69 struct exec {
70 #ifdef  sun
71 	unsigned short  a_machtype;/* machine type */
72 	unsigned short  a_info; /* Use macros N_MAGIC, etc for access */
73 #else   /* sun */
74 	unsigned long   a_info; /* Use macros N_MAGIC, etc for access */
75 #endif  /* sun */
76 	unsigned long a_text;   /* length of text, in bytes */
77 	unsigned long a_data;   /* length of data, in bytes */
78 	unsigned long a_bss;    /* length of uninitialized data area for file, in bytes */
79 	unsigned long a_syms;   /* length of symbol table data in file, in bytes */
80 	unsigned long a_entry;  /* start address */
81 	unsigned long a_trsize; /* length of relocation info for text, in bytes */
82 	unsigned long a_drsize; /* length of relocation info for data, in bytes */
83 };
84 
85 /* Code indicating object file or impure executable.  */
86 #define OMAGIC 0407
87 /* Code indicating pure executable.  */
88 #define NMAGIC 0410
89 /* Code indicating demand-paged executable.  */
90 #define ZMAGIC 0413
91 
92 #ifdef sun
93 /* Sun machine types */
94 
95 #define M_OLDSUN2       0       /* old sun-2 executable files */
96 #define M_68010         1       /* runs on either 68010 or 68020 */
97 #define M_68020         2       /* runs only on 68020 */
98 #endif /* sun */
99 
100 #endif  /* _EXEC_ */
101