1 #if !defined(_MODULE_H)
4 /* OS-9000 i386 module header definitions */
7 /* sizeof common header less parity field */
8 #define N_M_PARITY (sizeof(mh_com)-sizeof(unisgned short))
9 #define OLD_M_PARITY 46
10 #define M_PARITY N_M_PARITY
13 #define MODSYNC 0x4afd /* module header sync code for 680x0 processors */
17 #define MODSYNC 0x4afc /* module header sync code for 80386 processors */
20 #define MODREV 1 /* module format revision 1 */
21 #define CRCCON 0x800fe3 /* crc polynomial constant */
23 /* Module access permission values */
24 #define MP_OWNER_READ 0x0001
25 #define MP_OWNER_WRITE 0x0002
26 #define MP_OWNER_EXEC 0x0004
27 #define MP_GROUP_READ 0x0010
28 #define MP_GROUP_WRITE 0x0020
29 #define MP_GROUP_EXEC 0x0040
30 #define MP_WORLD_READ 0x0100
31 #define MP_WORLD_WRITE 0x0200
32 #define MP_WORLD_EXEC 0x0400
33 #define MP_WORLD_ACCESS 0x0777
34 #define MP_OWNER_MASK 0x000f
35 #define MP_GROUP_MASK 0x00f0
36 #define MP_WORLD_MASK 0x0f00
37 #define MP_SYSTM_MASK 0xf000
39 /* Module Type/Language values */
41 #define MT_PROGRAM 0x0001
42 #define MT_SUBROUT 0x0002
43 #define MT_MULTI 0x0003
44 #define MT_DATA 0x0004
45 #define MT_TRAPLIB 0x000b
46 #define MT_SYSTEM 0x000c
47 #define MT_FILEMAN 0x000d
48 #define MT_DEVDRVR 0x000e
49 #define MT_DEVDESC 0x000f
50 #define MT_MASK 0xff00
59 #define ML_MASK 0x00ff
61 #define mktypelang(type,lang) (((type)<<8)|(lang))
63 /* Module Attribute values */
67 #define MA_MASK 0xff00
68 #define MR_MASK 0x00ff
70 #define mkattrevs(attr, revs) (((attr)<<8)|(revs))
72 #define m_user m_owner.grp_usr.usr
73 #define m_group m_owner.grp_usr.grp
74 #define m_group_user m_owner.group_user
76 /* macro definitions for accessing module header fields */
77 #define MODNAME(mod) ((u_char*)((u_char*)mod + ((Mh_com)mod)->m_name))
79 /* Appears not to be used, and the u_int32 typedef is gone (because it
80 conflicted with a Mach header. */
81 #define MODSIZE(mod) ((u_int32)((Mh_com)mod)->m_size)
83 #define MHCOM_BYTES_SIZE 80
84 #define N_BADMAG(a) (((a).a_info) != MODSYNC)
86 typedef struct mh_com
{
87 /* sync bytes ($4afc). */
88 unsigned char m_sync
[2];
89 unsigned char m_sysrev
[2]; /* system revision check value */
91 m_size
[4]; /* module size */
93 m_owner
[4]; /* group/user id */
95 m_name
[4]; /* offset to module name */
97 m_access
[2], /* access permissions */
98 m_tylan
[2], /* type/lang */
99 m_attrev
[2], /* rev/attr */
100 m_edit
[2]; /* edition */
102 m_needs
[4], /* module hardware requirements flags. (reserved) */
103 m_usage
[4], /* comment string offset */
104 m_symbol
[4], /* symbol table offset */
105 m_exec
[4], /* offset to execution entry point */
106 m_excpt
[4], /* offset to exception entry point */
107 m_data
[4], /* data storage requirement */
108 m_stack
[4], /* stack size */
109 m_idata
[4], /* offset to initialized data */
110 m_idref
[4], /* offset to data reference lists */
111 m_init
[4], /* initialization routine offset */
112 m_term
[4]; /* termination routine offset */
114 m_ident
[2]; /* ident code for ident program */
116 m_spare
[8]; /* reserved bytes */
118 m_parity
[2]; /* header parity */
121 /* Executable memory module */
122 typedef mh_com
*Mh_exec
,mh_exec
;
124 /* Data memory module */
125 typedef mh_com
*Mh_data
,mh_data
;
127 /* File manager memory module */
128 typedef mh_com
*Mh_fman
,mh_fman
;
130 /* device driver module */
131 typedef mh_com
*Mh_drvr
,mh_drvr
;
133 /* trap handler module */
134 typedef mh_com mh_trap
, *Mh_trap
;
136 /* Device descriptor module */
137 typedef mh_com
*Mh_dev
,mh_dev
;
139 /* Configuration module */
140 typedef mh_com
*Mh_config
, mh_config
;
144 #if !defined(_MODDIR_H)
145 /* go get _os_fmod (and others) */
149 error_code
_os_crc(void *, u_int32
, int *);
150 error_code
_os_datmod(char *, u_int32
, u_int16
*, u_int16
*, u_int32
, void **, mh_data
**);
151 error_code
_os_get_moddir(void *, u_int32
*);
152 error_code
_os_initdata(mh_com
*, void *);
153 error_code
_os_link(char **, mh_com
**, void **, u_int16
*, u_int16
*);
154 error_code
_os_linkm(mh_com
*, void **, u_int16
*, u_int16
*);
155 error_code
_os_load(char *, mh_com
**, void **, u_int32
, u_int16
*, u_int16
*, u_int32
);
156 error_code
_os_mkmodule(char *, u_int32
, u_int16
*, u_int16
*, u_int32
, void **, mh_com
**, u_int32
);
157 error_code
_os_modaddr(void *, mh_com
**);
158 error_code
_os_setcrc(mh_com
*);
159 error_code
_os_slink(u_int32
, char *, void **, void **, mh_com
**);
160 error_code
_os_slinkm(u_int32
, mh_com
*, void **, void **);
161 error_code
_os_unlink(mh_com
*);
162 error_code
_os_unload(char *, u_int32
);
163 error_code
_os_tlink(u_int32
, char *, void **, mh_trap
**, void *, u_int32
);
164 error_code
_os_tlinkm(u_int32
, mh_com
*, void **, void *, u_int32
);
165 error_code
_os_iodel(mh_com
*);
166 error_code
_os_vmodul(mh_com
*, mh_com
*, u_int32
);
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