/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/*        All Rights Reserved   */

/*      Copyright (c) 1987, 1988 Microsoft Corporation  */
/*        All Rights Reserved   */

/*
 *      <a.out.h> - Object file structure declarations.
 */

struct aexec {                          /* a.out header */
        unsigned short  xa_magic;       /* magic number */
        unsigned short  xa_text;        /* size of text segment */
        unsigned short  xa_data;        /* size of initialized data */
        unsigned short  xa_bss;         /* size of unitialized data */
        unsigned short  xa_syms;        /* size of symbol table */
        unsigned short  xa_entry;       /* entry point */
        unsigned short  xa_unused;      /* not used */
        unsigned short  xa_flag;        /* relocation info stripped */
};


/*
 *      Definitions for aexec.xa_magic, OCTAL, obsolete (short).
 */

#define FMAGIC          0407    /* normal */
#define NMAGIC          0410    /* pure, shared text */
#define IMAGIC          0411    /* separate I & D */
#define OMAGIC          0405    /* text overlays */
#define ZMAGIC          0413    /* demand load format */

#define A_MAGIC1        FMAGIC
#define A_MAGIC2        NMAGIC
#define A_MAGIC3        IMAGIC
#define A_MAGIC4        OMAGIC

#define ATEXTPOS(ap)    ((long)sizeof (struct aexec))
#define ADATAPOS(ap)    (ATEXTPOS(ap) + (long)(ap)->xa_text)
#define ARTEXTPOS(ap)   (ADATAPOS(ap) + (long)(ap)->xa_data)
#define ARDATAPOS(ap)   (ARTEXTPOS(ap) + ((long)\
        ((ap)->xa_flag? 0 : (ap)->xa_text)))
#define ASYMPOS(ap)     (ATEXTPOS(ap) + \
        (((ap)->xa_flag? 1L : 2L) * \
        ((long)(ap)->xa_text + (long)(ap)->xa_data)))
#define AENDPOS(ap)     (ASYMPOS(ap) + (long)(ap)->xa_syms)