usr/src/sys/sys/exec.h

/*-
 * Copyright (c) 1982, 1986 The Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *      @(#)exec.h      7.5 (Berkeley) 2/15/91
 */

#ifndef _EXEC_H_
#define _EXEC_H_

/* Header prepended to each a.out file. */
struct exec {
#if !defined(vax) && !defined(tahoe) && !defined(i386)
unsigned short  a_mid;          /* machine ID */
unsigned short  a_magic;        /* magic number */
#else
         long   a_magic;        /* magic number */
#endif
unsigned long   a_text;         /* text segment size */
unsigned long   a_data;         /* initialized data size */
unsigned long   a_bss;          /* uninitialized data size */
unsigned long   a_syms;         /* symbol table size */
unsigned long   a_entry;        /* entry point */
unsigned long   a_trsize;       /* text relocation size */
unsigned long   a_drsize;       /* data relocation size */
};
#define a_machtype      a_mid   /* SUN compatibility */

/* a_magic */
#define OMAGIC          0407    /* old impure format */
#define NMAGIC          0410    /* read-only text */
#define ZMAGIC          0413    /* demand load format */

/* a_mid */
#define MID_ZERO        0       /* unknown - implementation dependent */
#define MID_SUN010      1       /* sun 68010/68020 binary */
#define MID_SUN020      2       /* sun 68020-only binary */
#define MID_HP200       200     /* hp200 (68010) BSD binary */
#define MID_HP300       300     /* hp300 (68020+68881) BSD binary */
#define MID_HPUX        0x20C   /* hp200/300 HP-UX binary */
#define MID_HPUX800     0x20B   /* hp800 HP-UX binary */

#endif /* !_EXEC_H_ */