osfmk/i386/exec.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  * @OSF_COPYRIGHT@
  24  */
  25 /*
  26  * Mach Operating System
  27  * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
  28  * All Rights Reserved.
  29  *
  30  * Permission to use, copy, modify and distribute this software and its
  31  * documentation is hereby granted, provided that both the copyright
  32  * notice and this permission notice appear in all copies of the
  33  * software, derivative works or modified versions, and any portions
  34  * thereof, and that both notices appear in supporting documentation.
  35  *
  36  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  37  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  38  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  39  *
  40  * Carnegie Mellon requests users of this software to return to
  41  *
  42  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  43  *  School of Computer Science
  44  *  Carnegie Mellon University
  45  *  Pittsburgh PA 15213-3890
  46  *
  47  * any improvements or extensions that they make and grant Carnegie Mellon
  48  * the rights to redistribute these changes.
  49  */
  50 /*
  51  */
  52 /*
  53  * exec stucture in an a.out file derived from FSF's
  54  * a.out.gnu.h file.
  55  */
  56
  57 #ifndef _EXEC_
  58 #define _EXEC_  1
  59
  60 /*
  61  * Header prepended to each a.out file.
  62  */
  63 struct exec
  64 {
  65 #ifdef  sun
  66     unsigned short  a_machtype; /* machine type */
  67     unsigned short  a_info;     /* Use macros N_MAGIC, etc for access */
  68 #else   /* sun */
  69     unsigned long   a_info;     /* Use macros N_MAGIC, etc for access */
  70 #endif  /* sun */
  71   unsigned long a_text;         /* length of text, in bytes */
  72   unsigned long a_data;         /* length of data, in bytes */
  73   unsigned long a_bss;          /* length of uninitialized data area for file, in bytes */
  74   unsigned long a_syms;         /* length of symbol table data in file, in bytes */
  75   unsigned long a_entry;        /* start address */
  76   unsigned long a_trsize;       /* length of relocation info for text, in bytes */
  77   unsigned long a_drsize;       /* length of relocation info for data, in bytes */
  78 };
  79
  80 /* Code indicating object file or impure executable.  */
  81 #define OMAGIC 0407
  82 /* Code indicating pure executable.  */
  83 #define NMAGIC 0410
  84 /* Code indicating demand-paged executable.  */
  85 #define ZMAGIC 0413
  86
  87 #ifdef sun
  88 /* Sun machine types */
  89
  90 #define M_OLDSUN2       0       /* old sun-2 executable files */
  91 #define M_68010         1       /* runs on either 68010 or 68020 */
  92 #define M_68020         2       /* runs only on 68020 */
  93 #endif /* sun */
  94
  95 #endif  /* _EXEC_ */