include/os9k.h

   1 /* os9k.h  -  OS-9000 i386 module header definitions
   2    Copyright (C) 2000-2022 Free Software Foundation, Inc.
   3
   4 This file is part of GNU CC.
   5
   6 GNU CC is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU CC is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU CC; see the file COPYING.  If not, write to
  18 the Free Software Foundation, 51 Franklin Street - Fifth Floor,
  19 Boston, MA 02110-1301, USA.  */
  20 \f
  21 #if !defined(_MODULE_H)
  22 #define _MODULE_H
  23
  24 #define _MPF386
  25
  26 /* Size of common header less parity field.  */
  27 #define N_M_PARITY  (sizeof(mh_com)-sizeof(unisgned short))
  28 #define OLD_M_PARITY 46
  29 #define M_PARITY N_M_PARITY
  30
  31 #ifdef _MPF68K
  32 #define MODSYNC 0x4afc          /* Module header sync code for 680x0 processors.  */
  33 #endif
  34
  35 #ifdef _MPF386
  36 #define MODSYNC 0x4afc          /* Module header sync code for 80386 processors.  */
  37 #endif
  38
  39 #define MODREV  1               /* Module format revision 1.  */
  40 #define CRCCON  0x800063        /* CRC polynomial constant.  */
  41
  42 /* Module access permission values.  */
  43 #define MP_OWNER_READ   0x0001
  44 #define MP_OWNER_WRITE  0x0002
  45 #define MP_OWNER_EXEC   0x0004
  46 #define MP_GROUP_READ   0x0010
  47 #define MP_GROUP_WRITE  0x0020
  48 #define MP_GROUP_EXEC   0x0040
  49 #define MP_WORLD_READ   0x0100
  50 #define MP_WORLD_WRITE  0x0200
  51 #define MP_WORLD_EXEC   0x0400
  52 #define MP_WORLD_ACCESS 0x0777
  53 #define MP_OWNER_MASK   0x000f
  54 #define MP_GROUP_MASK   0x00f0
  55 #define MP_WORLD_MASK   0x0f00
  56 #define MP_SYSTM_MASK   0xf000
  57
  58 /* Module Type/Language values.  */
  59 #define MT_ANY          0
  60 #define MT_PROGRAM      0x0001
  61 #define MT_SUBROUT      0x0002
  62 #define MT_MULTI        0x0003
  63 #define MT_DATA         0x0004
  64 #define MT_TRAPLIB      0x000b
  65 #define MT_SYSTEM       0x000c
  66 #define MT_FILEMAN      0x000d
  67 #define MT_DEVDRVR      0x000e
  68 #define MT_DEVDESC      0x000f
  69 #define MT_MASK         0xff00
  70
  71 #define ML_ANY          0
  72 #define ML_OBJECT       1
  73 #define ML_ICODE        2
  74 #define ML_PCODE        3
  75 #define ML_CCODE        4
  76 #define ML_CBLCODE      5
  77 #define ML_FRTNCODE     6
  78 #define ML_MASK         0x00ff
  79
  80 #define mktypelang(type, lang)  (((type) << 8) | (lang))
  81
  82 /* Module Attribute values.  */
  83 #define MA_REENT        0x80
  84 #define MA_GHOST        0x40
  85 #define MA_SUPER        0x20
  86 #define MA_MASK         0xff00
  87 #define MR_MASK         0x00ff
  88
  89 #define mkattrevs(attr, revs)   (((attr) << 8) | (revs))
  90
  91 #define m_user          m_owner.grp_usr.usr
  92 #define m_group         m_owner.grp_usr.grp
  93 #define m_group_user    m_owner.group_user
  94
  95 /* Macro definitions for accessing module header fields.  */
  96 #define MODNAME(mod) ((u_char*)((u_char*)mod + ((Mh_com)mod)->m_name))
  97 #if 0
  98 /* Appears not to be used, and the u_int32 typedef is gone (because it
  99    conflicted with a Mach header.  */
 100 #define MODSIZE(mod) ((u_int32)((Mh_com)mod)->m_size)
 101 #endif /* 0 */
 102 #define MHCOM_BYTES_SIZE 80
 103 #define N_BADMAG(a) (((a)->a_info) != MODSYNC)
 104
 105 typedef struct mh_com
 106 {
 107   /* Sync bytes ($4afc).  */
 108   unsigned char m_sync[2];
 109   unsigned char m_sysrev[2];    /* System revision check value.  */
 110   unsigned char m_size[4];      /* Module size.  */
 111   unsigned char m_owner[4];     /* Group/user id.  */
 112   unsigned char m_name[4];      /* Offset to module name.  */
 113   unsigned char m_access[2];    /* Access permissions.  */
 114   unsigned char m_tylan[2];     /* Type/lang.  */
 115   unsigned char m_attrev[2];    /* Rev/attr.  */
 116   unsigned char m_edit[2];      /* Edition.  */
 117   unsigned char m_needs[4];     /* Module hardware requirements flags. (reserved).  */
 118   unsigned char m_usage[4];     /* Comment string offset.  */
 119   unsigned char m_symbol[4];    /* Symbol table offset.  */
 120   unsigned char m_exec[4];      /* Offset to execution entry point.  */
 121   unsigned char m_excpt[4];     /* Offset to exception entry point.  */
 122   unsigned char m_data[4];      /* Data storage requirement.  */
 123   unsigned char m_stack[4];     /* Stack size.  */
 124   unsigned char m_idata[4];     /* Offset to initialized data.  */
 125   unsigned char m_idref[4];     /* Offset to data reference lists.  */
 126   unsigned char m_init[4];      /* Initialization routine offset.  */
 127   unsigned char m_term[4];      /* Termination routine offset.  */
 128   unsigned char m_ident[2];     /* Ident code for ident program.  */
 129   char          m_spare[8];     /* Reserved bytes.  */
 130   unsigned char m_parity[2];    /* Header parity.  */
 131 } mh_com,*Mh_com;
 132
 133 /* Executable memory module.  */
 134 typedef mh_com *Mh_exec,mh_exec;
 135
 136 /* Data memory module.  */
 137 typedef mh_com *Mh_data,mh_data;
 138
 139 /* File manager memory module.  */
 140 typedef mh_com *Mh_fman,mh_fman;
 141
 142 /* Device driver module.  */
 143 typedef mh_com *Mh_drvr,mh_drvr;
 144
 145 /* Trap handler module.  */
 146 typedef mh_com mh_trap, *Mh_trap;
 147
 148 /* Device descriptor module.  */
 149 typedef mh_com *Mh_dev,mh_dev;
 150
 151 /* Configuration module.  */
 152 typedef mh_com *Mh_config, mh_config;
 153
 154 #if 0
 155
 156 #if !defined(_MODDIR_H)
 157 /* Go get _os_fmod (and others).  */
 158 #include <moddir.h>
 159 #endif
 160
 161 error_code _os_crc (void *, u_int32, int *);
 162 error_code _os_datmod (char *, u_int32, u_int16 *, u_int16 *, u_int32, void **, mh_data **);
 163 error_code _os_get_moddir (void *, u_int32 *);
 164 error_code _os_initdata (mh_com *, void *);
 165 error_code _os_link (char **, mh_com **, void **, u_int16 *, u_int16 *);
 166 error_code _os_linkm (mh_com *, void **, u_int16 *, u_int16 *);
 167 error_code _os_load (char *, mh_com **, void **, u_int32, u_int16 *, u_int16 *, u_int32);
 168 error_code _os_mkmodule (char *, u_int32, u_int16 *, u_int16 *, u_int32, void **, mh_com **, u_int32);
 169 error_code _os_modaddr (void *, mh_com **);
 170 error_code _os_setcrc (mh_com *);
 171 error_code _os_slink (u_int32, char *, void **, void **, mh_com **);
 172 error_code _os_slinkm (u_int32, mh_com *, void **, void **);
 173 error_code _os_unlink (mh_com *);
 174 error_code _os_unload (char *, u_int32);
 175 error_code _os_tlink (u_int32, char *, void **, mh_trap **, void *, u_int32);
 176 error_code _os_tlinkm (u_int32, mh_com *, void **, void *, u_int32);
 177 error_code _os_iodel (mh_com *);
 178 error_code _os_vmodul (mh_com *, mh_com *, u_int32);
 179 #endif /* 0 */
 180
 181 #endif