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 */ 36 struct 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