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/* os9k.h - OS-9000 i386 module header definitions
Copyright (C) 2000-2021 Free Software Foundation, Inc.
This file is part of GNU CC.
GNU CC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU CC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU CC; see the file COPYING. If not, write to
the Free Software Foundation, 51 Franklin Street - Fifth Floor,
Boston, MA 02110-1301, USA. */
#if !defined(_MODULE_H)
#define _MODULE_H
#define _MPF386
/* Size of common header less parity field. */
#define N_M_PARITY (sizeof(mh_com)-sizeof(unisgned short))
#define OLD_M_PARITY 46
#define M_PARITY N_M_PARITY
#ifdef _MPF68K
#define MODSYNC 0x4afc /* Module header sync code for 680x0 processors. */
#endif
#ifdef _MPF386
#define MODSYNC 0x4afc /* Module header sync code for 80386 processors. */
#endif
#define MODREV 1 /* Module format revision 1. */
#define CRCCON 0x800063 /* CRC polynomial constant. */
/* Module access permission values. */
#define MP_OWNER_READ 0x0001
#define MP_OWNER_WRITE 0x0002
#define MP_OWNER_EXEC 0x0004
#define MP_GROUP_READ 0x0010
#define MP_GROUP_WRITE 0x0020
#define MP_GROUP_EXEC 0x0040
#define MP_WORLD_READ 0x0100
#define MP_WORLD_WRITE 0x0200
#define MP_WORLD_EXEC 0x0400
#define MP_WORLD_ACCESS 0x0777
#define MP_OWNER_MASK 0x000f
#define MP_GROUP_MASK 0x00f0
#define MP_WORLD_MASK 0x0f00
#define MP_SYSTM_MASK 0xf000
/* Module Type/Language values. */
#define MT_ANY 0
#define MT_PROGRAM 0x0001
#define MT_SUBROUT 0x0002
#define MT_MULTI 0x0003
#define MT_DATA 0x0004
#define MT_TRAPLIB 0x000b
#define MT_SYSTEM 0x000c
#define MT_FILEMAN 0x000d
#define MT_DEVDRVR 0x000e
#define MT_DEVDESC 0x000f
#define MT_MASK 0xff00
#define ML_ANY 0
#define ML_OBJECT 1
#define ML_ICODE 2
#define ML_PCODE 3
#define ML_CCODE 4
#define ML_CBLCODE 5
#define ML_FRTNCODE 6
#define ML_MASK 0x00ff
#define mktypelang(type, lang) (((type) << 8) | (lang))
/* Module Attribute values. */
#define MA_REENT 0x80
#define MA_GHOST 0x40
#define MA_SUPER 0x20
#define MA_MASK 0xff00
#define MR_MASK 0x00ff
#define mkattrevs(attr, revs) (((attr) << 8) | (revs))
#define m_user m_owner.grp_usr.usr
#define m_group m_owner.grp_usr.grp
#define m_group_user m_owner.group_user
/* Macro definitions for accessing module header fields. */
#define MODNAME(mod) ((u_char*)((u_char*)mod + ((Mh_com)mod)->m_name))
#if 0
/* Appears not to be used, and the u_int32 typedef is gone (because it
conflicted with a Mach header. */
#define MODSIZE(mod) ((u_int32)((Mh_com)mod)->m_size)
#endif /* 0 */
#define MHCOM_BYTES_SIZE 80
#define N_BADMAG(a) (((a)->a_info) != MODSYNC)
typedef struct mh_com
{
/* Sync bytes ($4afc). */
unsigned char m_sync[2];
unsigned char m_sysrev[2]; /* System revision check value. */
unsigned char m_size[4]; /* Module size. */
unsigned char m_owner[4]; /* Group/user id. */
unsigned char m_name[4]; /* Offset to module name. */
unsigned char m_access[2]; /* Access permissions. */
unsigned char m_tylan[2]; /* Type/lang. */
unsigned char m_attrev[2]; /* Rev/attr. */
unsigned char m_edit[2]; /* Edition. */
unsigned char m_needs[4]; /* Module hardware requirements flags. (reserved). */
unsigned char m_usage[4]; /* Comment string offset. */
unsigned char m_symbol[4]; /* Symbol table offset. */
unsigned char m_exec[4]; /* Offset to execution entry point. */
unsigned char m_excpt[4]; /* Offset to exception entry point. */
unsigned char m_data[4]; /* Data storage requirement. */
unsigned char m_stack[4]; /* Stack size. */
unsigned char m_idata[4]; /* Offset to initialized data. */
unsigned char m_idref[4]; /* Offset to data reference lists. */
unsigned char m_init[4]; /* Initialization routine offset. */
unsigned char m_term[4]; /* Termination routine offset. */
unsigned char m_ident[2]; /* Ident code for ident program. */
char m_spare[8]; /* Reserved bytes. */
unsigned char m_parity[2]; /* Header parity. */
} mh_com,*Mh_com;
/* Executable memory module. */
typedef mh_com *Mh_exec,mh_exec;
/* Data memory module. */
typedef mh_com *Mh_data,mh_data;
/* File manager memory module. */
typedef mh_com *Mh_fman,mh_fman;
/* Device driver module. */
typedef mh_com *Mh_drvr,mh_drvr;
/* Trap handler module. */
typedef mh_com mh_trap, *Mh_trap;
/* Device descriptor module. */
typedef mh_com *Mh_dev,mh_dev;
/* Configuration module. */
typedef mh_com *Mh_config, mh_config;
#if 0
#if !defined(_MODDIR_H)
/* Go get _os_fmod (and others). */
#include <moddir.h>
#endif
error_code _os_crc (void *, u_int32, int *);
error_code _os_datmod (char *, u_int32, u_int16 *, u_int16 *, u_int32, void **, mh_data **);
error_code _os_get_moddir (void *, u_int32 *);
error_code _os_initdata (mh_com *, void *);
error_code _os_link (char **, mh_com **, void **, u_int16 *, u_int16 *);
error_code _os_linkm (mh_com *, void **, u_int16 *, u_int16 *);
error_code _os_load (char *, mh_com **, void **, u_int32, u_int16 *, u_int16 *, u_int32);
error_code _os_mkmodule (char *, u_int32, u_int16 *, u_int16 *, u_int32, void **, mh_com **, u_int32);
error_code _os_modaddr (void *, mh_com **);
error_code _os_setcrc (mh_com *);
error_code _os_slink (u_int32, char *, void **, void **, mh_com **);
error_code _os_slinkm (u_int32, mh_com *, void **, void **);
error_code _os_unlink (mh_com *);
error_code _os_unload (char *, u_int32);
error_code _os_tlink (u_int32, char *, void **, mh_trap **, void *, u_int32);
error_code _os_tlinkm (u_int32, mh_com *, void **, void *, u_int32);
error_code _os_iodel (mh_com *);
error_code _os_vmodul (mh_com *, mh_com *, u_int32);
#endif /* 0 */
#endif
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