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Annotation of Gnu-Mach/include/mach/exec/a.out.h, revision 1.1

1.1     ! root        1: /* 
        !             2:  * Copyright (c) 1994 The University of Utah and
        !             3:  * the Computer Systems Laboratory at the University of Utah (CSL).
        !             4:  * All rights reserved.
        !             5:  *
        !             6:  * Permission to use, copy, modify and distribute this software is hereby
        !             7:  * granted provided that (1) source code retains these copyright, permission,
        !             8:  * and disclaimer notices, and (2) redistributions including binaries
        !             9:  * reproduce the notices in supporting documentation, and (3) all advertising
        !            10:  * materials mentioning features or use of this software display the following
        !            11:  * acknowledgement: ``This product includes software developed by the
        !            12:  * Computer Systems Laboratory at the University of Utah.''
        !            13:  *
        !            14:  * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
        !            15:  * IS" CONDITION.  THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
        !            16:  * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
        !            17:  *
        !            18:  * CSL requests users of this software to return to [email protected] any
        !            19:  * improvements that they make and grant CSL redistribution rights.
        !            20:  *
        !            21:  *      Author: Bryan Ford, University of Utah CSL
        !            22:  */
        !            23: #ifndef _MACH_A_OUT_
        !            24: #define _MACH_A_OUT_
        !            25: 
        !            26: struct exec
        !            27: {
        !            28:         unsigned long          a_magic;        /* magic number */
        !            29:         unsigned long   a_text;         /* size of text segment */
        !            30:         unsigned long   a_data;         /* size of initialized data */
        !            31:         unsigned long   a_bss;          /* size of uninitialized data */
        !            32:         unsigned long   a_syms;         /* size of symbol table */
        !            33:         unsigned long   a_entry;        /* entry point */
        !            34:         unsigned long   a_trsize;       /* size of text relocation */
        !            35:         unsigned long   a_drsize;       /* size of data relocation */
        !            36: };
        !            37: 
        !            38: struct nlist {
        !            39:        long n_strx;
        !            40:        unsigned char n_type;
        !            41:        char n_other;
        !            42:        short n_desc;
        !            43:        unsigned long n_value;
        !            44: };
        !            45: 
        !            46: #define OMAGIC 0407
        !            47: #define NMAGIC 0410
        !            48: #define ZMAGIC 0413
        !            49: #define QMAGIC 0314
        !            50: 
        !            51: #define N_GETMAGIC(ex) \
        !            52:        ( (ex).a_magic & 0xffff )
        !            53: #define N_GETMAGIC_NET(ex) \
        !            54:        (ntohl((ex).a_magic) & 0xffff)
        !            55: 
        !            56: /* Valid magic number check. */
        !            57: #define        N_BADMAG(ex) \
        !            58:        (N_GETMAGIC(ex) != OMAGIC && N_GETMAGIC(ex) != NMAGIC && \
        !            59:         N_GETMAGIC(ex) != ZMAGIC && N_GETMAGIC(ex) != QMAGIC && \
        !            60:         N_GETMAGIC_NET(ex) != OMAGIC && N_GETMAGIC_NET(ex) != NMAGIC && \
        !            61:         N_GETMAGIC_NET(ex) != ZMAGIC && N_GETMAGIC_NET(ex) != QMAGIC)
        !            62: 
        !            63: /* We don't provide any N_???OFF macros here
        !            64:    because they vary too much between the different a.out variants;
        !            65:    it's practically impossible to create one set of macros
        !            66:    that works for UX, FreeBSD, NetBSD, Linux, etc.  */
        !            67: 
        !            68: #endif /* _MACH_A_OUT_ */

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