182 lines
5.9 KiB
C
182 lines
5.9 KiB
C
/* os9k.h - OS-9000 i386 module header definitions
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Copyright (C) 2000-2014 Free Software Foundation, Inc.
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU CC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 51 Franklin Street - Fifth Floor,
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Boston, MA 02110-1301, USA. */
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#if !defined(_MODULE_H)
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#define _MODULE_H
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#define _MPF386
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/* Size of common header less parity field. */
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#define N_M_PARITY (sizeof(mh_com)-sizeof(unisgned short))
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#define OLD_M_PARITY 46
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#define M_PARITY N_M_PARITY
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#ifdef _MPF68K
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#define MODSYNC 0x4afc /* Module header sync code for 680x0 processors. */
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#endif
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#ifdef _MPF386
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#define MODSYNC 0x4afc /* Module header sync code for 80386 processors. */
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#endif
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#define MODREV 1 /* Module format revision 1. */
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#define CRCCON 0x800063 /* CRC polynomial constant. */
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/* Module access permission values. */
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#define MP_OWNER_READ 0x0001
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#define MP_OWNER_WRITE 0x0002
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#define MP_OWNER_EXEC 0x0004
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#define MP_GROUP_READ 0x0010
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#define MP_GROUP_WRITE 0x0020
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#define MP_GROUP_EXEC 0x0040
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#define MP_WORLD_READ 0x0100
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#define MP_WORLD_WRITE 0x0200
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#define MP_WORLD_EXEC 0x0400
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#define MP_WORLD_ACCESS 0x0777
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#define MP_OWNER_MASK 0x000f
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#define MP_GROUP_MASK 0x00f0
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#define MP_WORLD_MASK 0x0f00
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#define MP_SYSTM_MASK 0xf000
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/* Module Type/Language values. */
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#define MT_ANY 0
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#define MT_PROGRAM 0x0001
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#define MT_SUBROUT 0x0002
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#define MT_MULTI 0x0003
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#define MT_DATA 0x0004
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#define MT_TRAPLIB 0x000b
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#define MT_SYSTEM 0x000c
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#define MT_FILEMAN 0x000d
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#define MT_DEVDRVR 0x000e
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#define MT_DEVDESC 0x000f
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#define MT_MASK 0xff00
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#define ML_ANY 0
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#define ML_OBJECT 1
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#define ML_ICODE 2
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#define ML_PCODE 3
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#define ML_CCODE 4
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#define ML_CBLCODE 5
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#define ML_FRTNCODE 6
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#define ML_MASK 0x00ff
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#define mktypelang(type, lang) (((type) << 8) | (lang))
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/* Module Attribute values. */
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#define MA_REENT 0x80
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#define MA_GHOST 0x40
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#define MA_SUPER 0x20
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#define MA_MASK 0xff00
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#define MR_MASK 0x00ff
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#define mkattrevs(attr, revs) (((attr) << 8) | (revs))
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#define m_user m_owner.grp_usr.usr
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#define m_group m_owner.grp_usr.grp
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#define m_group_user m_owner.group_user
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/* Macro definitions for accessing module header fields. */
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#define MODNAME(mod) ((u_char*)((u_char*)mod + ((Mh_com)mod)->m_name))
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#if 0
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/* Appears not to be used, and the u_int32 typedef is gone (because it
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conflicted with a Mach header. */
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#define MODSIZE(mod) ((u_int32)((Mh_com)mod)->m_size)
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#endif /* 0 */
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#define MHCOM_BYTES_SIZE 80
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#define N_BADMAG(a) (((a).a_info) != MODSYNC)
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typedef struct mh_com
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{
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/* Sync bytes ($4afc). */
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unsigned char m_sync[2];
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unsigned char m_sysrev[2]; /* System revision check value. */
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unsigned char m_size[4]; /* Module size. */
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unsigned char m_owner[4]; /* Group/user id. */
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unsigned char m_name[4]; /* Offset to module name. */
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unsigned char m_access[2]; /* Access permissions. */
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unsigned char m_tylan[2]; /* Type/lang. */
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unsigned char m_attrev[2]; /* Rev/attr. */
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unsigned char m_edit[2]; /* Edition. */
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unsigned char m_needs[4]; /* Module hardware requirements flags. (reserved). */
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unsigned char m_usage[4]; /* Comment string offset. */
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unsigned char m_symbol[4]; /* Symbol table offset. */
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unsigned char m_exec[4]; /* Offset to execution entry point. */
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unsigned char m_excpt[4]; /* Offset to exception entry point. */
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unsigned char m_data[4]; /* Data storage requirement. */
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unsigned char m_stack[4]; /* Stack size. */
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unsigned char m_idata[4]; /* Offset to initialized data. */
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unsigned char m_idref[4]; /* Offset to data reference lists. */
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unsigned char m_init[4]; /* Initialization routine offset. */
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unsigned char m_term[4]; /* Termination routine offset. */
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unsigned char m_ident[2]; /* Ident code for ident program. */
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char m_spare[8]; /* Reserved bytes. */
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unsigned char m_parity[2]; /* Header parity. */
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} mh_com,*Mh_com;
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/* Executable memory module. */
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typedef mh_com *Mh_exec,mh_exec;
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/* Data memory module. */
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typedef mh_com *Mh_data,mh_data;
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/* File manager memory module. */
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typedef mh_com *Mh_fman,mh_fman;
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/* Device driver module. */
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typedef mh_com *Mh_drvr,mh_drvr;
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/* Trap handler module. */
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typedef mh_com mh_trap, *Mh_trap;
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/* Device descriptor module. */
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typedef mh_com *Mh_dev,mh_dev;
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/* Configuration module. */
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typedef mh_com *Mh_config, mh_config;
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#if 0
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#if !defined(_MODDIR_H)
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/* Go get _os_fmod (and others). */
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#include <moddir.h>
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#endif
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error_code _os_crc (void *, u_int32, int *);
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error_code _os_datmod (char *, u_int32, u_int16 *, u_int16 *, u_int32, void **, mh_data **);
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error_code _os_get_moddir (void *, u_int32 *);
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error_code _os_initdata (mh_com *, void *);
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error_code _os_link (char **, mh_com **, void **, u_int16 *, u_int16 *);
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error_code _os_linkm (mh_com *, void **, u_int16 *, u_int16 *);
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error_code _os_load (char *, mh_com **, void **, u_int32, u_int16 *, u_int16 *, u_int32);
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error_code _os_mkmodule (char *, u_int32, u_int16 *, u_int16 *, u_int32, void **, mh_com **, u_int32);
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error_code _os_modaddr (void *, mh_com **);
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error_code _os_setcrc (mh_com *);
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error_code _os_slink (u_int32, char *, void **, void **, mh_com **);
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error_code _os_slinkm (u_int32, mh_com *, void **, void **);
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error_code _os_unlink (mh_com *);
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error_code _os_unload (char *, u_int32);
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error_code _os_tlink (u_int32, char *, void **, mh_trap **, void *, u_int32);
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error_code _os_tlinkm (u_int32, mh_com *, void **, void *, u_int32);
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error_code _os_iodel (mh_com *);
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error_code _os_vmodul (mh_com *, mh_com *, u_int32);
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#endif /* 0 */
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#endif
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