usr/src/uts/common/sys/exechdr.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 1995-2003 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #ifndef _SYS_EXECHDR_H
  28 #define _SYS_EXECHDR_H
  29
  30 #include <sys/inttypes.h>
  31
  32 #ifdef  __cplusplus
  33 extern "C" {
  34 #endif
  35
  36 /*
  37  * format of the exec header
  38  * known by kernel and by user programs
  39  */
  40 struct exec {
  41         unsigned        a_dynamic:1;    /* has a __DYNAMIC */
  42         unsigned        a_toolversion:7; /* version of toolset used to */
  43                                         /* create this file */
  44         unsigned char   a_machtype;     /* machine type */
  45         uint16_t        a_magic;        /* magic number */
  46         uint32_t        a_text;         /* size of text segment */
  47         uint32_t        a_data;         /* size of initialized data */
  48         uint32_t        a_bss;          /* size of uninitialized data */
  49         uint32_t        a_syms;         /* size of symbol table */
  50         uint32_t        a_entry;        /* entry point */
  51         uint32_t        a_trsize;       /* size of text relocation */
  52         uint32_t        a_drsize;       /* size of data relocation */
  53 };
  54
  55 #define OMAGIC  0407            /* old impure format */
  56 #define NMAGIC  0410            /* read-only text */
  57 #define ZMAGIC  0413            /* demand load format */
  58
  59 /* machine types */
  60
  61 #define M_OLDSUN2       0       /* old sun-2 executable files */
  62 #define M_68010         1       /* runs on either 68010 or 68020 */
  63 #define M_68020         2       /* runs only on 68020 */
  64 #define M_SPARC         3       /* runs only on SPARC */
  65
  66 #define TV_SUN2_SUN3    0
  67 #define TV_SUN4         1
  68
  69 #ifdef  __cplusplus
  70 }
  71 #endif
  72
  73 #endif /* _SYS_EXECHDR_H */