osfmk/i386/exec.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*
  26  * @OSF_COPYRIGHT@
  27  */
  28 /*
  29  * Mach Operating System
  30  * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
  31  * All Rights Reserved.
  32  *
  33  * Permission to use, copy, modify and distribute this software and its
  34  * documentation is hereby granted, provided that both the copyright
  35  * notice and this permission notice appear in all copies of the
  36  * software, derivative works or modified versions, and any portions
  37  * thereof, and that both notices appear in supporting documentation.
  38  *
  39  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  40  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  41  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  42  *
  43  * Carnegie Mellon requests users of this software to return to
  44  *
  45  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  46  *  School of Computer Science
  47  *  Carnegie Mellon University
  48  *  Pittsburgh PA 15213-3890
  49  *
  50  * any improvements or extensions that they make and grant Carnegie Mellon
  51  * the rights to redistribute these changes.
  52  */
  53 /*
  54  */
  55 /*
  56  * exec stucture in an a.out file derived from FSF's
  57  * a.out.gnu.h file.
  58  */
  59
  60 #ifndef _EXEC_
  61 #define _EXEC_  1
  62
  63 /*
  64  * Header prepended to each a.out file.
  65  */
  66 struct exec
  67 {
  68 #ifdef  sun
  69     unsigned short  a_machtype; /* machine type */
  70     unsigned short  a_info;     /* Use macros N_MAGIC, etc for access */
  71 #else   /* sun */
  72     unsigned long   a_info;     /* Use macros N_MAGIC, etc for access */
  73 #endif  /* sun */
  74   unsigned long a_text;         /* length of text, in bytes */
  75   unsigned long a_data;         /* length of data, in bytes */
  76   unsigned long a_bss;          /* length of uninitialized data area for file, in bytes */
  77   unsigned long a_syms;         /* length of symbol table data in file, in bytes */
  78   unsigned long a_entry;        /* start address */
  79   unsigned long a_trsize;       /* length of relocation info for text, in bytes */
  80   unsigned long a_drsize;       /* length of relocation info for data, in bytes */
  81 };
  82
  83 /* Code indicating object file or impure executable.  */
  84 #define OMAGIC 0407
  85 /* Code indicating pure executable.  */
  86 #define NMAGIC 0410
  87 /* Code indicating demand-paged executable.  */
  88 #define ZMAGIC 0413
  89
  90 #ifdef sun
  91 /* Sun machine types */
  92
  93 #define M_OLDSUN2       0       /* old sun-2 executable files */
  94 #define M_68010         1       /* runs on either 68010 or 68020 */
  95 #define M_68020         2       /* runs only on 68020 */
  96 #endif /* sun */
  97
  98 #endif  /* _EXEC_ */