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Annotation of XNU/osfmk/i386/exec.h, revision 1.1.1.1

1.1       root        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  [email protected]
                     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_ */

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