docs/how-to-build.md: use proper markup for directory names
[unleashed/tickless.git] / include / sys / exechdr.h
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1 /*
2 * CDDL HEADER START
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.
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.
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]
20 * CDDL HEADER END
23 * Copyright 1995-2003 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
27 #ifndef _SYS_EXECHDR_H
28 #define _SYS_EXECHDR_H
30 #pragma ident "%Z%%M% %I% %E% SMI"
32 #include <sys/inttypes.h>
34 #ifdef __cplusplus
35 extern "C" {
36 #endif
39 * format of the exec header
40 * known by kernel and by user programs
42 struct exec {
43 unsigned a_dynamic:1; /* has a __DYNAMIC */
44 unsigned a_toolversion:7; /* version of toolset used to */
45 /* create this file */
46 unsigned char a_machtype; /* machine type */
47 uint16_t a_magic; /* magic number */
48 uint32_t a_text; /* size of text segment */
49 uint32_t a_data; /* size of initialized data */
50 uint32_t a_bss; /* size of uninitialized data */
51 uint32_t a_syms; /* size of symbol table */
52 uint32_t a_entry; /* entry point */
53 uint32_t a_trsize; /* size of text relocation */
54 uint32_t a_drsize; /* size of data relocation */
57 #define OMAGIC 0407 /* old impure format */
58 #define NMAGIC 0410 /* read-only text */
59 #define ZMAGIC 0413 /* demand load format */
61 /* machine types */
63 #define M_OLDSUN2 0 /* old sun-2 executable files */
64 #define M_68010 1 /* runs on either 68010 or 68020 */
65 #define M_68020 2 /* runs only on 68020 */
66 #define M_SPARC 3 /* runs only on SPARC */
68 #define TV_SUN2_SUN3 0
69 #define TV_SUN4 1
71 #ifdef __cplusplus
73 #endif
75 #endif /* _SYS_EXECHDR_H */