170 lines
5.0 KiB
C
170 lines
5.0 KiB
C
#if !defined(_MODULE_H)
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#define _MODULE_H
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/* OS-9000 i386 module header definitions */
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#define _MPF386
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/* sizeof 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 0x4afd /* 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 0x800fe3 /* 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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/* 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
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m_size[4]; /* module size */
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unsigned char
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m_owner[4]; /* group/user id */
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unsigned char
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m_name[4]; /* offset to module name */
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unsigned char
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m_access[2], /* access permissions */
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m_tylan[2], /* type/lang */
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m_attrev[2], /* rev/attr */
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m_edit[2]; /* edition */
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unsigned char
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m_needs[4], /* module hardware requirements flags. (reserved) */
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m_usage[4], /* comment string offset */
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m_symbol[4], /* symbol table offset */
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m_exec[4], /* offset to execution entry point */
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m_excpt[4], /* offset to exception entry point */
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m_data[4], /* data storage requirement */
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m_stack[4], /* stack size */
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m_idata[4], /* offset to initialized data */
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m_idref[4], /* offset to data reference lists */
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m_init[4], /* initialization routine offset */
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m_term[4]; /* termination routine offset */
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unsigned char
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m_ident[2]; /* ident code for ident program */
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char
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m_spare[8]; /* reserved bytes */
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unsigned char
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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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