Source to osfmk/i386/exec.h

/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 * 
 * This Original Code and all software distributed under the License are
 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*
 * @OSF_COPYRIGHT@
 */
/* 
 * Mach Operating System
 * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
 * All Rights Reserved.
 * 
 * Permission to use, copy, modify and distribute this software and its
 * documentation is hereby granted, provided that both the copyright
 * notice and this permission notice appear in all copies of the
 * software, derivative works or modified versions, and any portions
 * thereof, and that both notices appear in supporting documentation.
 * 
 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 * 
 * Carnegie Mellon requests users of this software to return to
 * 
 *  Software Distribution Coordinator  or  [email protected]
 *  School of Computer Science
 *  Carnegie Mellon University
 *  Pittsburgh PA 15213-3890
 * 
 * any improvements or extensions that they make and grant Carnegie Mellon
 * the rights to redistribute these changes.
 */
/*
 */
/*
 * exec stucture in an a.out file derived from FSF's
 * a.out.gnu.h file.
 */

#ifndef	_EXEC_
#define	_EXEC_	1

/*
 * Header prepended to each a.out file.
 */
struct exec
{
#ifdef	sun
    unsigned short  a_machtype; /* machine type */
    unsigned short  a_info;	/* Use macros N_MAGIC, etc for access */
#else	/* sun */
    unsigned long   a_info;	/* Use macros N_MAGIC, etc for access */
#endif	/* sun */
  unsigned long a_text;		/* length of text, in bytes */
  unsigned long a_data;		/* length of data, in bytes */
  unsigned long a_bss;		/* length of uninitialized data area for file, in bytes */
  unsigned long a_syms;		/* length of symbol table data in file, in bytes */
  unsigned long a_entry;	/* start address */
  unsigned long a_trsize;	/* length of relocation info for text, in bytes */
  unsigned long a_drsize;	/* length of relocation info for data, in bytes */
};

/* Code indicating object file or impure executable.  */
#define OMAGIC 0407
/* Code indicating pure executable.  */
#define NMAGIC 0410
/* Code indicating demand-paged executable.  */
#define ZMAGIC 0413

#ifdef sun
/* Sun machine types */

#define M_OLDSUN2	0	/* old sun-2 executable files */
#define M_68010		1	/* runs on either 68010 or 68020 */
#define M_68020		2	/* runs only on 68020 */
#endif /* sun */

#endif	/* _EXEC_ */