osfmk/i386/exec.h

   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  Software.Distribution@CS.CMU.EDU
  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 {
  71 #ifdef  sun
  72     unsigned short  a_machtype; /* machine type */
  73     unsigned short  a_info;     /* Use macros N_MAGIC, etc for access */
  74 #else   /* sun */
  75     unsigned long   a_info;     /* Use macros N_MAGIC, etc for access */
  76 #endif  /* sun */
  77   unsigned long a_text;         /* length of text, in bytes */
  78   unsigned long a_data;         /* length of data, in bytes */
  79   unsigned long a_bss;          /* length of uninitialized data area for file, in bytes */
  80   unsigned long a_syms;         /* length of symbol table data in file, in bytes */
  81   unsigned long a_entry;        /* start address */
  82   unsigned long a_trsize;       /* length of relocation info for text, in bytes */
  83   unsigned long a_drsize;       /* length of relocation info for data, in bytes */
  84 };
  85
  86 /* Code indicating object file or impure executable.  */
  87 #define OMAGIC 0407
  88 /* Code indicating pure executable.  */
  89 #define NMAGIC 0410
  90 /* Code indicating demand-paged executable.  */
  91 #define ZMAGIC 0413
  92
  93 #ifdef sun
  94 /* Sun machine types */
  95
  96 #define M_OLDSUN2       0       /* old sun-2 executable files */
  97 #define M_68010         1       /* runs on either 68010 or 68020 */
  98 #define M_68020         2       /* runs only on 68020 */
  99 #endif /* sun */
 100
 101 #endif  /* _EXEC_ */