| [444] | 1 | /* os9k.h - OS-9000 i386 module header definitions |
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| 2 | Copyright 2000 Free Software Foundation, Inc. |
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| 3 | |
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| 4 | This file is part of GNU CC. |
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| 5 | |
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| 6 | GNU CC is free software; you can redistribute it and/or modify |
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| 7 | it under the terms of the GNU General Public License as published by |
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| 8 | the Free Software Foundation; either version 2, or (at your option) |
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| 9 | any later version. |
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| 10 | |
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| 11 | GNU CC is distributed in the hope that it will be useful, |
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 14 | GNU General Public License for more details. |
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| 15 | |
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| 16 | You should have received a copy of the GNU General Public License |
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| 17 | along with GNU CC; see the file COPYING. If not, write to |
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| 18 | the Free Software Foundation, 51 Franklin Street - Fifth Floor, |
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| 19 | Boston, MA 02110-1301, USA. */ |
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| 20 | |
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| 21 | #if !defined(_MODULE_H) |
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| 22 | #define _MODULE_H |
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| 23 | |
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| 24 | #define _MPF386 |
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| 25 | |
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| 26 | /* Size of common header less parity field. */ |
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| 27 | #define N_M_PARITY (sizeof(mh_com)-sizeof(unisgned short)) |
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| 28 | #define OLD_M_PARITY 46 |
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| 29 | #define M_PARITY N_M_PARITY |
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| 30 | |
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| 31 | #ifdef _MPF68K |
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| 32 | #define MODSYNC 0x4afc /* Module header sync code for 680x0 processors. */ |
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| 33 | #endif |
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| 34 | |
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| 35 | #ifdef _MPF386 |
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| 36 | #define MODSYNC 0x4afc /* Module header sync code for 80386 processors. */ |
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| 37 | #endif |
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| 38 | |
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| 39 | #define MODREV 1 /* Module format revision 1. */ |
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| 40 | #define CRCCON 0x800063 /* CRC polynomial constant. */ |
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| 41 | |
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| 42 | /* Module access permission values. */ |
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| 43 | #define MP_OWNER_READ 0x0001 |
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| 44 | #define MP_OWNER_WRITE 0x0002 |
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| 45 | #define MP_OWNER_EXEC 0x0004 |
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| 46 | #define MP_GROUP_READ 0x0010 |
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| 47 | #define MP_GROUP_WRITE 0x0020 |
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| 48 | #define MP_GROUP_EXEC 0x0040 |
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| 49 | #define MP_WORLD_READ 0x0100 |
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| 50 | #define MP_WORLD_WRITE 0x0200 |
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| 51 | #define MP_WORLD_EXEC 0x0400 |
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| 52 | #define MP_WORLD_ACCESS 0x0777 |
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| 53 | #define MP_OWNER_MASK 0x000f |
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| 54 | #define MP_GROUP_MASK 0x00f0 |
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| 55 | #define MP_WORLD_MASK 0x0f00 |
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| 56 | #define MP_SYSTM_MASK 0xf000 |
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| 57 | |
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| 58 | /* Module Type/Language values. */ |
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| 59 | #define MT_ANY 0 |
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| 60 | #define MT_PROGRAM 0x0001 |
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| 61 | #define MT_SUBROUT 0x0002 |
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| 62 | #define MT_MULTI 0x0003 |
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| 63 | #define MT_DATA 0x0004 |
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| 64 | #define MT_TRAPLIB 0x000b |
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| 65 | #define MT_SYSTEM 0x000c |
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| 66 | #define MT_FILEMAN 0x000d |
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| 67 | #define MT_DEVDRVR 0x000e |
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| 68 | #define MT_DEVDESC 0x000f |
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| 69 | #define MT_MASK 0xff00 |
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| 70 | |
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| 71 | #define ML_ANY 0 |
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| 72 | #define ML_OBJECT 1 |
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| 73 | #define ML_ICODE 2 |
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| 74 | #define ML_PCODE 3 |
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| 75 | #define ML_CCODE 4 |
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| 76 | #define ML_CBLCODE 5 |
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| 77 | #define ML_FRTNCODE 6 |
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| 78 | #define ML_MASK 0x00ff |
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| 79 | |
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| 80 | #define mktypelang(type, lang) (((type) << 8) | (lang)) |
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| 81 | |
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| 82 | /* Module Attribute values. */ |
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| 83 | #define MA_REENT 0x80 |
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| 84 | #define MA_GHOST 0x40 |
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| 85 | #define MA_SUPER 0x20 |
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| 86 | #define MA_MASK 0xff00 |
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| 87 | #define MR_MASK 0x00ff |
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| 88 | |
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| 89 | #define mkattrevs(attr, revs) (((attr) << 8) | (revs)) |
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| 90 | |
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| 91 | #define m_user m_owner.grp_usr.usr |
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| 92 | #define m_group m_owner.grp_usr.grp |
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| 93 | #define m_group_user m_owner.group_user |
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| 94 | |
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| 95 | /* Macro definitions for accessing module header fields. */ |
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| 96 | #define MODNAME(mod) ((u_char*)((u_char*)mod + ((Mh_com)mod)->m_name)) |
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| 97 | #if 0 |
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| 98 | /* Appears not to be used, and the u_int32 typedef is gone (because it |
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| 99 | conflicted with a Mach header. */ |
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| 100 | #define MODSIZE(mod) ((u_int32)((Mh_com)mod)->m_size) |
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| 101 | #endif /* 0 */ |
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| 102 | #define MHCOM_BYTES_SIZE 80 |
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| 103 | #define N_BADMAG(a) (((a).a_info) != MODSYNC) |
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| 104 | |
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| 105 | typedef struct mh_com |
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| 106 | { |
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| 107 | /* Sync bytes ($4afc). */ |
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| 108 | unsigned char m_sync[2]; |
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| 109 | unsigned char m_sysrev[2]; /* System revision check value. */ |
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| 110 | unsigned char m_size[4]; /* Module size. */ |
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| 111 | unsigned char m_owner[4]; /* Group/user id. */ |
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| 112 | unsigned char m_name[4]; /* Offset to module name. */ |
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| 113 | unsigned char m_access[2]; /* Access permissions. */ |
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| 114 | unsigned char m_tylan[2]; /* Type/lang. */ |
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| 115 | unsigned char m_attrev[2]; /* Rev/attr. */ |
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| 116 | unsigned char m_edit[2]; /* Edition. */ |
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| 117 | unsigned char m_needs[4]; /* Module hardware requirements flags. (reserved). */ |
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| 118 | unsigned char m_usage[4]; /* Comment string offset. */ |
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| 119 | unsigned char m_symbol[4]; /* Symbol table offset. */ |
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| 120 | unsigned char m_exec[4]; /* Offset to execution entry point. */ |
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| 121 | unsigned char m_excpt[4]; /* Offset to exception entry point. */ |
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| 122 | unsigned char m_data[4]; /* Data storage requirement. */ |
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| 123 | unsigned char m_stack[4]; /* Stack size. */ |
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| 124 | unsigned char m_idata[4]; /* Offset to initialized data. */ |
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| 125 | unsigned char m_idref[4]; /* Offset to data reference lists. */ |
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| 126 | unsigned char m_init[4]; /* Initialization routine offset. */ |
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| 127 | unsigned char m_term[4]; /* Termination routine offset. */ |
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| 128 | unsigned char m_ident[2]; /* Ident code for ident program. */ |
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| 129 | char m_spare[8]; /* Reserved bytes. */ |
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| 130 | unsigned char m_parity[2]; /* Header parity. */ |
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| 131 | } mh_com,*Mh_com; |
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| 132 | |
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| 133 | /* Executable memory module. */ |
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| 134 | typedef mh_com *Mh_exec,mh_exec; |
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| 135 | |
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| 136 | /* Data memory module. */ |
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| 137 | typedef mh_com *Mh_data,mh_data; |
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| 138 | |
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| 139 | /* File manager memory module. */ |
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| 140 | typedef mh_com *Mh_fman,mh_fman; |
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| 141 | |
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| 142 | /* Device driver module. */ |
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| 143 | typedef mh_com *Mh_drvr,mh_drvr; |
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| 144 | |
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| 145 | /* Trap handler module. */ |
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| 146 | typedef mh_com mh_trap, *Mh_trap; |
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| 147 | |
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| 148 | /* Device descriptor module. */ |
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| 149 | typedef mh_com *Mh_dev,mh_dev; |
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| 150 | |
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| 151 | /* Configuration module. */ |
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| 152 | typedef mh_com *Mh_config, mh_config; |
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| 153 | |
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| 154 | #if 0 |
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| 155 | |
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| 156 | #if !defined(_MODDIR_H) |
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| 157 | /* Go get _os_fmod (and others). */ |
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| 158 | #include <moddir.h> |
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| 159 | #endif |
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| 160 | |
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| 161 | error_code _os_crc (void *, u_int32, int *); |
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| 162 | error_code _os_datmod (char *, u_int32, u_int16 *, u_int16 *, u_int32, void **, mh_data **); |
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| 163 | error_code _os_get_moddir (void *, u_int32 *); |
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| 164 | error_code _os_initdata (mh_com *, void *); |
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| 165 | error_code _os_link (char **, mh_com **, void **, u_int16 *, u_int16 *); |
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| 166 | error_code _os_linkm (mh_com *, void **, u_int16 *, u_int16 *); |
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| 167 | error_code _os_load (char *, mh_com **, void **, u_int32, u_int16 *, u_int16 *, u_int32); |
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| 168 | error_code _os_mkmodule (char *, u_int32, u_int16 *, u_int16 *, u_int32, void **, mh_com **, u_int32); |
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| 169 | error_code _os_modaddr (void *, mh_com **); |
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| 170 | error_code _os_setcrc (mh_com *); |
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| 171 | error_code _os_slink (u_int32, char *, void **, void **, mh_com **); |
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| 172 | error_code _os_slinkm (u_int32, mh_com *, void **, void **); |
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| 173 | error_code _os_unlink (mh_com *); |
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| 174 | error_code _os_unload (char *, u_int32); |
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| 175 | error_code _os_tlink (u_int32, char *, void **, mh_trap **, void *, u_int32); |
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| 176 | error_code _os_tlinkm (u_int32, mh_com *, void **, void *, u_int32); |
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| 177 | error_code _os_iodel (mh_com *); |
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| 178 | error_code _os_vmodul (mh_com *, mh_com *, u_int32); |
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| 179 | #endif /* 0 */ |
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| 180 | |
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| 181 | #endif |
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