osfmk/i386/exec.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_OSREFERENCE_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
  10  * License may not be used to create, or enable the creation or
  11  * redistribution of, unlawful or unlicensed copies of an Apple operating
  12  * system, or to circumvent, violate, or enable the circumvention or
  13  * violation of, any terms of an Apple operating system software license
  14  * agreement.
  15  *
  16  * Please obtain a copy of the License at
  17  * http://www.opensource.apple.com/apsl/ and read it before using this
  18  * file.
  19  *
  20  * The Original Code and all software distributed under the License are
  21  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  22  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  23  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  24  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  25  * Please see the License for the specific language governing rights and
  26  * limitations under the License.
  27  *
  28  * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
  29  */
  30 /*
  31  * @OSF_COPYRIGHT@
  32  */
  33 /*
  34  * Mach Operating System
  35  * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
  36  * All Rights Reserved.
  37  *
  38  * Permission to use, copy, modify and distribute this software and its
  39  * documentation is hereby granted, provided that both the copyright
  40  * notice and this permission notice appear in all copies of the
  41  * software, derivative works or modified versions, and any portions
  42  * thereof, and that both notices appear in supporting documentation.
  43  *
  44  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  45  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  46  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  47  *
  48  * Carnegie Mellon requests users of this software to return to
  49  *
  50  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  51  *  School of Computer Science
  52  *  Carnegie Mellon University
  53  *  Pittsburgh PA 15213-3890
  54  *
  55  * any improvements or extensions that they make and grant Carnegie Mellon
  56  * the rights to redistribute these changes.
  57  */
  58 /*
  59  */
  60 /*
  61  * exec stucture in an a.out file derived from FSF's
  62  * a.out.gnu.h file.
  63  */
  64
  65 #ifndef _EXEC_
  66 #define _EXEC_  1
  67
  68 /*
  69  * Header prepended to each a.out file.
  70  */
  71 struct exec
  72 {
  73 #ifdef  sun
  74     unsigned short  a_machtype; /* machine type */
  75     unsigned short  a_info;     /* Use macros N_MAGIC, etc for access */
  76 #else   /* sun */
  77     unsigned long   a_info;     /* Use macros N_MAGIC, etc for access */
  78 #endif  /* sun */
  79   unsigned long a_text;         /* length of text, in bytes */
  80   unsigned long a_data;         /* length of data, in bytes */
  81   unsigned long a_bss;          /* length of uninitialized data area for file, in bytes */
  82   unsigned long a_syms;         /* length of symbol table data in file, in bytes */
  83   unsigned long a_entry;        /* start address */
  84   unsigned long a_trsize;       /* length of relocation info for text, in bytes */
  85   unsigned long a_drsize;       /* length of relocation info for data, in bytes */
  86 };
  87
  88 /* Code indicating object file or impure executable.  */
  89 #define OMAGIC 0407
  90 /* Code indicating pure executable.  */
  91 #define NMAGIC 0410
  92 /* Code indicating demand-paged executable.  */
  93 #define ZMAGIC 0413
  94
  95 #ifdef sun
  96 /* Sun machine types */
  97
  98 #define M_OLDSUN2       0       /* old sun-2 executable files */
  99 #define M_68010         1       /* runs on either 68010 or 68020 */
 100 #define M_68020         2       /* runs only on 68020 */
 101 #endif /* sun */
 102
 103 #endif  /* _EXEC_ */