blob: 305db12fd586cd0be77c1f88f867f274b9911ce2 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
|
/*static char *SCCSID = "@(#)newexe.h 6.2 91/02/12";*/
/*
* SCCSID = @(#)newexe.h 6.2 91/02/12
*
* Title
*
* newexe.h
* (C) Copyright Microsoft Corp 1984-1987
*
* Description
*
* Data structure definitions for the DOS 4.0/Windows 2.0
* executable file format.
*
*/
/*_________________________________________________________________*
| |
| |
| DOS3 .EXE FILE HEADER DEFINITION |
| |
|_________________________________________________________________|
* */
#define EMAGIC 0x5A4D /* Old magic number */
#define ENEWEXE sizeof(struct exe_hdr)
/* Value of E_LFARLC for new .EXEs */
#define ENEWHDR 0x003C /* Offset in old hdr. of ptr. to new */
#define ERESWDS 0x0010 /* No. of reserved words (OLD) */
#define ERES1WDS 0x0004 /* No. of reserved words in e_res */
#define ERES2WDS 0x000A /* No. of reserved words in e_res2 */
#define ECP 0x0004 /* Offset in struct of E_CP */
#define ECBLP 0x0002 /* Offset in struct of E_CBLP */
#define EMINALLOC 0x000A /* Offset in struct of E_MINALLOC */
struct exe_hdr /* DOS 1, 2, 3 .EXE header */
{
unsigned short e_magic; /* Magic number */
unsigned short e_cblp; /* Bytes on last page of file */
unsigned short e_cp; /* Pages in file */
unsigned short e_crlc; /* Relocations */
unsigned short e_cparhdr; /* Size of header in paragraphs */
unsigned short e_minalloc; /* Minimum extra paragraphs needed */
unsigned short e_maxalloc; /* Maximum extra paragraphs needed */
unsigned short e_ss; /* Initial (relative) SS value */
unsigned short e_sp; /* Initial SP value */
unsigned short e_csum; /* Checksum */
unsigned short e_ip; /* Initial IP value */
unsigned short e_cs; /* Initial (relative) CS value */
unsigned short e_lfarlc; /* File address of relocation table */
unsigned short e_ovno; /* Overlay number */
unsigned short e_res[ERES1WDS];/* Reserved words */
unsigned short e_oemid; /* OEM identifier (for e_oeminfo) */
unsigned short e_oeminfo; /* OEM information; e_oemid specific */
unsigned short e_res2[ERES2WDS];/* Reserved words */
long e_lfanew; /* File address of new exe header */
};
#define E_MAGIC(x) (x).e_magic
#define E_CBLP(x) (x).e_cblp
#define E_CP(x) (x).e_cp
#define E_CRLC(x) (x).e_crlc
#define E_CPARHDR(x) (x).e_cparhdr
#define E_MINALLOC(x) (x).e_minalloc
#define E_MAXALLOC(x) (x).e_maxalloc
#define E_SS(x) (x).e_ss
#define E_SP(x) (x).e_sp
#define E_CSUM(x) (x).e_csum
#define E_IP(x) (x).e_ip
#define E_CS(x) (x).e_cs
#define E_LFARLC(x) (x).e_lfarlc
#define E_OVNO(x) (x).e_ovno
#define E_RES(x) (x).e_res
#define E_OEMID(x) (x).e_oemid
#define E_OEMINFO(x) (x).e_oeminfo
#define E_RES2(x) (x).e_res2
#define E_LFANEW(x) (x).e_lfanew
/*_________________________________________________________________*
| |
| |
| OS/2 & WINDOWS .EXE FILE HEADER DEFINITION - 286 version |
| |
|_________________________________________________________________|
* */
#define NEMAGIC 0x454E /* New magic number */
#define NERESBYTES 8 /* Eight bytes reserved (now) */
#define NECRC 8 /* Offset into new header of NE_CRC */
struct new_exe /* New .EXE header */
{
unsigned short ne_magic; /* Magic number NE_MAGIC */
unsigned char ne_ver; /* Version number */
unsigned char ne_rev; /* Revision number */
unsigned short ne_enttab; /* Offset of Entry Table */
unsigned short ne_cbenttab; /* Number of bytes in Entry Table */
long ne_crc; /* Checksum of whole file */
unsigned short ne_flags; /* Flag word */
unsigned short ne_autodata; /* Automatic data segment number */
unsigned short ne_heap; /* Initial heap allocation */
unsigned short ne_stack; /* Initial stack allocation */
long ne_csip; /* Initial CS:IP setting */
long ne_sssp; /* Initial SS:SP setting */
unsigned short ne_cseg; /* Count of file segments */
unsigned short ne_cmod; /* Entries in Module Reference Table */
unsigned short ne_cbnrestab; /* Size of non-resident name table */
unsigned short ne_segtab; /* Offset of Segment Table */
unsigned short ne_rsrctab; /* Offset of Resource Table */
unsigned short ne_restab; /* Offset of resident name table */
unsigned short ne_modtab; /* Offset of Module Reference Table */
unsigned short ne_imptab; /* Offset of Imported Names Table */
long ne_nrestab; /* Offset of Non-resident Names Table */
unsigned short ne_cmovent; /* Count of movable entries */
unsigned short ne_align; /* Segment alignment shift count */
unsigned short ne_cres; /* Count of resource entries */
unsigned char ne_exetyp; /* Target operating system */
unsigned char ne_flagsothers; /* Other .EXE flags */
char ne_res[NERESBYTES];
/* Pad structure to 64 bytes */
};
#define NE_MAGIC(x) (x).ne_magic
#define NE_VER(x) (x).ne_ver
#define NE_REV(x) (x).ne_rev
#define NE_ENTTAB(x) (x).ne_enttab
#define NE_CBENTTAB(x) (x).ne_cbenttab
#define NE_CRC(x) (x).ne_crc
#define NE_FLAGS(x) (x).ne_flags
#define NE_AUTODATA(x) (x).ne_autodata
#define NE_HEAP(x) (x).ne_heap
#define NE_STACK(x) (x).ne_stack
#define NE_CSIP(x) (x).ne_csip
#define NE_SSSP(x) (x).ne_sssp
#define NE_CSEG(x) (x).ne_cseg
#define NE_CMOD(x) (x).ne_cmod
#define NE_CBNRESTAB(x) (x).ne_cbnrestab
#define NE_SEGTAB(x) (x).ne_segtab
#define NE_RSRCTAB(x) (x).ne_rsrctab
#define NE_RESTAB(x) (x).ne_restab
#define NE_MODTAB(x) (x).ne_modtab
#define NE_IMPTAB(x) (x).ne_imptab
#define NE_NRESTAB(x) (x).ne_nrestab
#define NE_CMOVENT(x) (x).ne_cmovent
#define NE_ALIGN(x) (x).ne_align
#define NE_CRES(x) (x).ne_cres
#define NE_RES(x) (x).ne_res
#define NE_EXETYP(x) (x).ne_exetyp
#define NE_FLAGSOTHERS(x) (x).ne_flagsothers
#define NE_USAGE(x) (WORD)*((WORD *)(x)+1)
#define NE_PNEXTEXE(x) (WORD)(x).ne_cbenttab
#define NE_ONEWEXE(x) (WORD)(x).ne_crc
#define NE_PFILEINFO(x) (WORD)((DWORD)(x).ne_crc >> 16)
/*
* Target operating systems
*/
#define NE_UNKNOWN 0x0 /* Unknown (any "new-format" OS) */
#define NE_OS2 0x1 /* Microsoft/IBM OS/2 (default) */
#define NE_WINDOWS 0x2 /* Microsoft Windows */
#define NE_DOS4 0x3 /* Microsoft MS-DOS 4.x */
#define NE_DEV386 0x4 /* Microsoft Windows 386 */
/*
* Format of NE_FLAGS(x):
*
* p Not-a-process
* x Unused
* e Errors in image
* x Unused
* b Bound Family/API
* ttt Application type
* f Floating-point instructions
* 3 386 instructions
* 2 286 instructions
* 0 8086 instructions
* P Protected mode only
* p Per-process library initialization
* i Instance data
* s Solo data
*/
#define NENOTP 0x8000 /* Not a process */
#if PMNT
#define NEPMSHELL 0x4000 /* PM Shell */
#define NEPMMSGQUE 0x1000 /* calls WinCreateMsgQueue */
#endif
#define NEIERR 0x2000 /* Errors in image */
#define NEBOUND 0x0800 /* Bound Family/API */
#define NEAPPTYP 0x0700 /* Application type mask */
#define NENOTWINCOMPAT 0x0100 /* Not compatible with P.M. Windowing */
#define NEWINCOMPAT 0x0200 /* Compatible with P.M. Windowing */
#define NEWINAPI 0x0300 /* Uses P.M. Windowing API */
#define NEFLTP 0x0080 /* Floating-point instructions */
#define NEI386 0x0040 /* 386 instructions */
#define NEI286 0x0020 /* 286 instructions */
#define NEI086 0x0010 /* 8086 instructions */
#define NEPROT 0x0008 /* Runs in protected mode only */
#define NEPPLI 0x0004 /* Per-Process Library Initialization */
#define NEINST 0x0002 /* Instance data */
#define NESOLO 0x0001 /* Solo data */
/*
* Format of NE_FLAGSOTHERS(x):
*
* 7 6 5 4 3 2 1 0 - bit no
* |
* +---------------- Support for long file names
*
*/
#define NELONGNAMES 0x01
struct new_seg /* New .EXE segment table entry */
{
unsigned short ns_sector; /* File sector of start of segment */
unsigned short ns_cbseg; /* Number of bytes in file */
unsigned short ns_flags; /* Attribute flags */
unsigned short ns_minalloc; /* Minimum allocation in bytes */
};
#define NS_SECTOR(x) (x).ns_sector
#define NS_CBSEG(x) (x).ns_cbseg
#define NS_FLAGS(x) (x).ns_flags
#define NS_MINALLOC(x) (x).ns_minalloc
/*
* Format of NS_FLAGS(x)
*
* Flag word has the following format:
*
* 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 - bit no
* | | | | | | | | | | | | | | |
* | | | | | | | | | | | | +-+-+--- Segment type DATA/CODE
* | | | | | | | | | | | +--------- Iterated segment
* | | | | | | | | | | +----------- Movable segment
* | | | | | | | | | +------------- Segment can be shared
* | | | | | | | | +--------------- Preload segment
* | | | | | | | +----------------- Execute/read-only for code/data segment
* | | | | | | +------------------- Segment has relocations
* | | | | | +--------------------- Code conforming/Data is expand down
* | | | +--+----------------------- I/O privilege level
* | | +----------------------------- Discardable segment
* | +-------------------------------- 32-bit code segment
* +----------------------------------- Huge segment/GDT allocation requested
*
*/
#define NSTYPE 0x0007 /* Segment type mask */
#if (EXE386 == 0)
#define NSCODE 0x0000 /* Code segment */
#define NSDATA 0x0001 /* Data segment */
#define NSITER 0x0008 /* Iterated segment flag */
#define NSMOVE 0x0010 /* Movable segment flag */
#define NSSHARED 0x0020 /* Shared segment flag */
#define NSPRELOAD 0x0040 /* Preload segment flag */
#define NSEXRD 0x0080 /* Execute-only (code segment), or
* read-only (data segment)
*/
#define NSRELOC 0x0100 /* Segment has relocations */
#define NSCONFORM 0x0200 /* Conforming segment */
#define NSEXPDOWN 0x0200 /* Data segment is expand down */
#define NSDPL 0x0C00 /* I/O privilege level (286 DPL bits) */
#define SHIFTDPL 10 /* Left shift count for SEGDPL field */
#define NSDISCARD 0x1000 /* Segment is discardable */
#define NS32BIT 0x2000 /* 32-bit code segment */
#define NSHUGE 0x4000 /* Huge memory segment, length of
* segment and minimum allocation
* size are in segment sector units
*/
#define NSGDT 0x8000 /* GDT allocation requested */
#define NSPURE NSSHARED /* For compatibility */
#define NSALIGN 9 /* Segment data aligned on 512 byte boundaries */
#define NSLOADED 0x0004 /* ns_sector field contains memory addr */
#endif
struct new_segdata /* Segment data */
{
union
{
struct
{
unsigned short ns_niter; /* number of iterations */
unsigned short ns_nbytes; /* number of bytes */
char ns_iterdata; /* iterated data bytes */
} ns_iter;
struct
{
char ns_data; /* data bytes */
} ns_noniter;
} ns_union;
};
struct new_rlcinfo /* Relocation info */
{
unsigned short nr_nreloc; /* number of relocation items that */
}; /* follow */
#pragma pack(1)
struct new_rlc /* Relocation item */
{
char nr_stype; /* Source type */
char nr_flags; /* Flag byte */
unsigned short nr_soff; /* Source offset */
union
{
struct
{
char nr_segno; /* Target segment number */
char nr_res; /* Reserved */
unsigned short nr_entry; /* Target Entry Table offset */
} nr_intref; /* Internal reference */
struct
{
unsigned short nr_mod; /* Index into Module Reference Table */
unsigned short nr_proc; /* Procedure ordinal or name offset */
} nr_import; /* Import */
struct
{
unsigned short nr_ostype; /* OSFIXUP type */
unsigned short nr_osres; /* reserved */
} nr_osfix; /* Operating system fixup */
} nr_union; /* Union */
};
#pragma pack()
#define NR_STYPE(x) (x).nr_stype
#define NR_FLAGS(x) (x).nr_flags
#define NR_SOFF(x) (x).nr_soff
#define NR_SEGNO(x) (x).nr_union.nr_intref.nr_segno
#define NR_RES(x) (x).nr_union.nr_intref.nr_res
#define NR_ENTRY(x) (x).nr_union.nr_intref.nr_entry
#define NR_MOD(x) (x).nr_union.nr_import.nr_mod
#define NR_PROC(x) (x).nr_union.nr_import.nr_proc
#define NR_OSTYPE(x) (x).nr_union.nr_osfix.nr_ostype
#define NR_OSRES(x) (x).nr_union.nr_osfix.nr_osres
/*
* Format of NR_STYPE(x) and R32_STYPE(x):
*
* 7 6 5 4 3 2 1 0 - bit no
* | | | |
* +-+-+-+--- source type
*
*/
#define NRSTYP 0x0f /* Source type mask */
#define NRSBYT 0x00 /* lo byte (8-bits)*/
#define NRSSEG 0x02 /* 16-bit segment (16-bits) */
#define NRSPTR 0x03 /* 16:16 pointer (32-bits) */
#define NRSOFF 0x05 /* 16-bit offset (16-bits) */
#define NRPTR48 0x06 /* 16:32 pointer (48-bits) */
#define NROFF32 0x07 /* 32-bit offset (32-bits) */
#define NRSOFF32 0x08 /* 32-bit self-relative offset (32-bits) */
/*
* Format of NR_FLAGS(x) and R32_FLAGS(x):
*
* 7 6 5 4 3 2 1 0 - bit no
* | | |
* | +-+--- Reference type
* +------- Additive fixup
*/
#define NRADD 0x04 /* Additive fixup */
#define NRRTYP 0x03 /* Reference type mask */
#define NRRINT 0x00 /* Internal reference */
#define NRRORD 0x01 /* Import by ordinal */
#define NRRNAM 0x02 /* Import by name */
#define NRROSF 0x03 /* Operating system fixup */
#if (EXE386 == 0)
/* Resource type or name string */
struct rsrc_string
{
char rs_len; /* number of bytes in string */
char rs_string[ 1 ]; /* text of string */
};
#define RS_LEN( x ) (x).rs_len
#define RS_STRING( x ) (x).rs_string
/* Resource type information block */
struct rsrc_typeinfo
{
unsigned short rt_id;
unsigned short rt_nres;
long rt_proc;
};
#define RT_ID( x ) (x).rt_id
#define RT_NRES( x ) (x).rt_nres
#define RT_PROC( x ) (x).rt_proc
/* Resource name information block */
struct rsrc_nameinfo
{
/* The following two fields must be shifted left by the value of */
/* the rs_align field to compute their actual value. This allows */
/* resources to be larger than 64k, but they do not need to be */
/* aligned on 512 byte boundaries, the way segments are */
unsigned short rn_offset; /* file offset to resource data */
unsigned short rn_length; /* length of resource data */
unsigned short rn_flags; /* resource flags */
unsigned short rn_id; /* resource name id */
unsigned short rn_handle; /* If loaded, then global handle */
unsigned short rn_usage; /* Initially zero. Number of times */
/* the handle for this resource has */
/* been given out */
};
#define RN_OFFSET( x ) (x).rn_offset
#define RN_LENGTH( x ) (x).rn_length
#define RN_FLAGS( x ) (x).rn_flags
#define RN_ID( x ) (x).rn_id
#define RN_HANDLE( x ) (x).rn_handle
#define RN_USAGE( x ) (x).rn_usage
#define RSORDID 0x8000 /* if high bit of ID set then integer id */
/* otherwise ID is offset of string from
the beginning of the resource table */
/* Ideally these are the same as the */
/* corresponding segment flags */
#define RNMOVE 0x0010 /* Moveable resource */
#define RNPURE 0x0020 /* Pure (read-only) resource */
#define RNPRELOAD 0x0040 /* Preloaded resource */
#define RNDISCARD 0xF000 /* Discard priority level for resource */
/* Resource table */
struct new_rsrc
{
unsigned short rs_align; /* alignment shift count for resources */
struct rsrc_typeinfo rs_typeinfo;
};
#define RS_ALIGN( x ) (x).rs_align
#endif /* NOT EXE386 */
|