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[/] [openrisc/] [trunk/] [gnu-src/] [binutils-2.18.50/] [opcodes/] [i386-opc.h] - Blame information for rev 156

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/* Declarations for Intel 80386 opcode table
2
   Copyright 2007, 2008
3
   Free Software Foundation, Inc.
4
 
5
   This file is part of the GNU opcodes library.
6
 
7
   This library is free software; you can redistribute it and/or modify
8
   it under the terms of the GNU General Public License as published by
9
   the Free Software Foundation; either version 3, or (at your option)
10
   any later version.
11
 
12
   It is distributed in the hope that it will be useful, but WITHOUT
13
   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14
   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
15
   License for more details.
16
 
17
   You should have received a copy of the GNU General Public License
18
   along with GAS; see the file COPYING.  If not, write to the Free
19
   Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
20
   02110-1301, USA.  */
21
 
22
#include "opcode/i386.h"
23
#ifdef HAVE_LIMITS_H
24
#include <limits.h>
25
#endif
26
 
27
#ifndef CHAR_BIT
28
#define CHAR_BIT 8
29
#endif
30
 
31
/* Position of cpu flags bitfiled.  */
32
 
33
/* i186 or better required */
34
#define Cpu186          0
35
/* i286 or better required */
36
#define Cpu286          (Cpu186 + 1)
37
/* i386 or better required */
38
#define Cpu386          (Cpu286 + 1)
39
/* i486 or better required */
40
#define Cpu486          (Cpu386 + 1)
41
/* i585 or better required */
42
#define Cpu586          (Cpu486 + 1)
43
/* i686 or better required */
44
#define Cpu686          (Cpu586 + 1)
45
/* Pentium4 or better required */
46
#define CpuP4           (Cpu686 + 1)
47
/* AMD K6 or better required*/
48
#define CpuK6           (CpuP4 + 1)
49
/* AMD K8 or better required */
50
#define CpuK8           (CpuK6 + 1)
51
/* MMX support required */
52
#define CpuMMX          (CpuK8 + 1)
53
/* SSE support required */
54
#define CpuSSE          (CpuMMX + 1)
55
/* SSE2 support required */
56
#define CpuSSE2         (CpuSSE + 1)
57
/* 3dnow! support required */
58
#define Cpu3dnow        (CpuSSE2 + 1)
59
/* 3dnow! Extensions support required */
60
#define Cpu3dnowA       (Cpu3dnow + 1)
61
/* SSE3 support required */
62
#define CpuSSE3         (Cpu3dnowA + 1)
63
/* VIA PadLock required */
64
#define CpuPadLock      (CpuSSE3 + 1)
65
/* AMD Secure Virtual Machine Ext-s required */
66
#define CpuSVME         (CpuPadLock + 1)
67
/* VMX Instructions required */
68
#define CpuVMX          (CpuSVME + 1)
69
/* SMX Instructions required */
70
#define CpuSMX          (CpuVMX + 1)
71
/* SSSE3 support required */
72
#define CpuSSSE3        (CpuSMX + 1)
73
/* SSE4a support required */
74
#define CpuSSE4a        (CpuSSSE3 + 1)
75
/* ABM New Instructions required */
76
#define CpuABM          (CpuSSE4a + 1)
77
/* SSE4.1 support required */
78
#define CpuSSE4_1       (CpuABM + 1)
79
/* SSE4.2 support required */
80
#define CpuSSE4_2       (CpuSSE4_1 + 1)
81
/* SSE5 support required */
82
#define CpuSSE5         (CpuSSE4_2 + 1)
83
/* AVX support required */
84
#define CpuAVX          (CpuSSE5 + 1)
85
/* Xsave/xrstor New Instuctions support required */
86
#define CpuXsave        (CpuAVX + 1)
87
/* AES support required */
88
#define CpuAES          (CpuXsave + 1)
89
/* PCLMUL support required */
90
#define CpuPCLMUL       (CpuAES + 1)
91
/* FMA support required */
92
#define CpuFMA          (CpuPCLMUL + 1)
93
/* MOVBE Instuction support required */
94
#define CpuMovbe        (CpuFMA + 1)
95
/* EPT Instructions required */
96
#define CpuEPT          (CpuMovbe + 1)
97
/* 64bit support available, used by -march= in assembler.  */
98
#define CpuLM           (CpuEPT + 1)
99
/* 64bit support required  */
100
#define Cpu64           (CpuLM + 1)
101
/* Not supported in the 64bit mode  */
102
#define CpuNo64         (Cpu64 + 1)
103
/* The last bitfield in i386_cpu_flags.  */
104
#define CpuMax          CpuNo64
105
 
106
#define CpuNumOfUints \
107
  (CpuMax / sizeof (unsigned int) / CHAR_BIT + 1)
108
#define CpuNumOfBits \
109
  (CpuNumOfUints * sizeof (unsigned int) * CHAR_BIT)
110
 
111
/* If you get a compiler error for zero width of the unused field,
112
   comment it out.  */
113
#define CpuUnused       (CpuMax + 1)
114
 
115
/* We can check if an instruction is available with array instead
116
   of bitfield. */
117
typedef union i386_cpu_flags
118
{
119
  struct
120
    {
121
      unsigned int cpui186:1;
122
      unsigned int cpui286:1;
123
      unsigned int cpui386:1;
124
      unsigned int cpui486:1;
125
      unsigned int cpui586:1;
126
      unsigned int cpui686:1;
127
      unsigned int cpup4:1;
128
      unsigned int cpuk6:1;
129
      unsigned int cpuk8:1;
130
      unsigned int cpummx:1;
131
      unsigned int cpusse:1;
132
      unsigned int cpusse2:1;
133
      unsigned int cpua3dnow:1;
134
      unsigned int cpua3dnowa:1;
135
      unsigned int cpusse3:1;
136
      unsigned int cpupadlock:1;
137
      unsigned int cpusvme:1;
138
      unsigned int cpuvmx:1;
139
      unsigned int cpusmx:1;
140
      unsigned int cpussse3:1;
141
      unsigned int cpusse4a:1;
142
      unsigned int cpuabm:1;
143
      unsigned int cpusse4_1:1;
144
      unsigned int cpusse4_2:1;
145
      unsigned int cpusse5:1;
146
      unsigned int cpuavx:1;
147
      unsigned int cpuxsave:1;
148
      unsigned int cpuaes:1;
149
      unsigned int cpupclmul:1;
150
      unsigned int cpufma:1;
151
      unsigned int cpumovbe:1;
152
      unsigned int cpuept:1;
153
      unsigned int cpulm:1;
154
      unsigned int cpu64:1;
155
      unsigned int cpuno64:1;
156
#ifdef CpuUnused
157
      unsigned int unused:(CpuNumOfBits - CpuUnused);
158
#endif
159
    } bitfield;
160
  unsigned int array[CpuNumOfUints];
161
} i386_cpu_flags;
162
 
163
/* Position of opcode_modifier bits.  */
164
 
165
/* has direction bit. */
166
#define D                       0
167
/* set if operands can be words or dwords encoded the canonical way */
168
#define W                       (D + 1)
169
/* insn has a modrm byte. */
170
#define Modrm                   (W + 1)
171
/* register is in low 3 bits of opcode */
172
#define ShortForm               (Modrm + 1)
173
/* special case for jump insns.  */
174
#define Jump                    (ShortForm + 1)
175
/* call and jump */
176
#define JumpDword               (Jump + 1)
177
/* loop and jecxz */
178
#define JumpByte                (JumpDword + 1)
179
/* special case for intersegment leaps/calls */
180
#define JumpInterSegment        (JumpByte + 1)
181
/* FP insn memory format bit, sized by 0x4 */
182
#define FloatMF                 (JumpInterSegment + 1)
183
/* src/dest swap for floats. */
184
#define FloatR                  (FloatMF + 1)
185
/* has float insn direction bit. */
186
#define FloatD                  (FloatR + 1)
187
/* needs size prefix if in 32-bit mode */
188
#define Size16                  (FloatD + 1)
189
/* needs size prefix if in 16-bit mode */
190
#define Size32                  (Size16 + 1)
191
/* needs size prefix if in 64-bit mode */
192
#define Size64                  (Size32 + 1)
193
/* instruction ignores operand size prefix and in Intel mode ignores
194
   mnemonic size suffix check.  */
195
#define IgnoreSize              (Size64 + 1)
196
/* default insn size depends on mode */
197
#define DefaultSize             (IgnoreSize + 1)
198
/* b suffix on instruction illegal */
199
#define No_bSuf                 (DefaultSize + 1)
200
/* w suffix on instruction illegal */
201
#define No_wSuf                 (No_bSuf + 1)
202
/* l suffix on instruction illegal */
203
#define No_lSuf                 (No_wSuf + 1)
204
/* s suffix on instruction illegal */
205
#define No_sSuf                 (No_lSuf + 1)
206
/* q suffix on instruction illegal */
207
#define No_qSuf                 (No_sSuf + 1)
208
/* long double suffix on instruction illegal */
209
#define No_ldSuf                (No_qSuf + 1)
210
/* instruction needs FWAIT */
211
#define FWait                   (No_ldSuf + 1)
212
/* quick test for string instructions */
213
#define IsString                (FWait + 1)
214
/* fake an extra reg operand for clr, imul and special register
215
   processing for some instructions.  */
216
#define RegKludge               (IsString + 1)
217
/* The first operand must be xmm0 */
218
#define FirstXmm0               (RegKludge + 1)
219
/* An implicit xmm0 as the first operand */
220
#define Implicit1stXmm0         (FirstXmm0 + 1)
221
/* BYTE is OK in Intel syntax. */
222
#define ByteOkIntel             (Implicit1stXmm0 + 1)
223
/* Convert to DWORD */
224
#define ToDword                 (ByteOkIntel + 1)
225
/* Convert to QWORD */
226
#define ToQword                 (ToDword + 1)
227
/* Address prefix changes operand 0 */
228
#define AddrPrefixOp0           (ToQword + 1)
229
/* opcode is a prefix */
230
#define IsPrefix                (AddrPrefixOp0 + 1)
231
/* instruction has extension in 8 bit imm */
232
#define ImmExt                  (IsPrefix + 1)
233
/* instruction don't need Rex64 prefix.  */
234
#define NoRex64                 (ImmExt + 1)
235
/* instruction require Rex64 prefix.  */
236
#define Rex64                   (NoRex64 + 1)
237
/* deprecated fp insn, gets a warning */
238
#define Ugh                     (Rex64 + 1)
239
#define Drex                    (Ugh + 1)
240
/* instruction needs DREX with multiple encodings for memory ops */
241
#define Drexv                   (Drex + 1)
242
/* special DREX for comparisons */
243
#define Drexc                   (Drexv + 1)
244
/* insn has VEX prefix. */
245
#define Vex                     (Drexc + 1)
246
/* insn has 256bit VEX prefix. */
247
#define Vex256                  (Vex + 1)
248
/* insn has VEX NDS. Register-only source is encoded in Vex
249
   prefix. */
250
#define VexNDS                  (Vex256 + 1)
251
/* insn has VEX NDD. Register destination is encoded in Vex
252
   prefix. */
253
#define VexNDD                  (VexNDS + 1)
254
/* insn has VEX W0. */
255
#define VexW0                   (VexNDD + 1)
256
/* insn has VEX W1. */
257
#define VexW1                   (VexW0 + 1)
258
/* insn has VEX 0x0F opcode prefix. */
259
#define Vex0F                   (VexW1 + 1)
260
/* insn has VEX 0x0F38 opcode prefix. */
261
#define Vex0F38                 (Vex0F + 1)
262
/* insn has VEX 0x0F3A opcode prefix. */
263
#define Vex0F3A                 (Vex0F38 + 1)
264
/* insn has VEX prefix with 3 soures. */
265
#define Vex3Sources             (Vex0F3A + 1)
266
/* instruction has VEX 8 bit imm */
267
#define VexImmExt               (Vex3Sources + 1)
268
/* SSE to AVX support required */
269
#define SSE2AVX                 (VexImmExt + 1)
270
/* No AVX equivalent */
271
#define NoAVX                   (SSE2AVX + 1)
272
/* Compatible with old (<= 2.8.1) versions of gcc  */
273
#define OldGcc                  (NoAVX + 1)
274
/* AT&T mnemonic.  */
275
#define ATTMnemonic             (OldGcc + 1)
276
/* AT&T syntax.  */
277
#define ATTSyntax               (ATTMnemonic + 1)
278
/* Intel syntax.  */
279
#define IntelSyntax             (ATTSyntax + 1)
280
/* The last bitfield in i386_opcode_modifier.  */
281
#define Opcode_Modifier_Max     IntelSyntax
282
 
283
typedef struct i386_opcode_modifier
284
{
285
  unsigned int d:1;
286
  unsigned int w:1;
287
  unsigned int modrm:1;
288
  unsigned int shortform:1;
289
  unsigned int jump:1;
290
  unsigned int jumpdword:1;
291
  unsigned int jumpbyte:1;
292
  unsigned int jumpintersegment:1;
293
  unsigned int floatmf:1;
294
  unsigned int floatr:1;
295
  unsigned int floatd:1;
296
  unsigned int size16:1;
297
  unsigned int size32:1;
298
  unsigned int size64:1;
299
  unsigned int ignoresize:1;
300
  unsigned int defaultsize:1;
301
  unsigned int no_bsuf:1;
302
  unsigned int no_wsuf:1;
303
  unsigned int no_lsuf:1;
304
  unsigned int no_ssuf:1;
305
  unsigned int no_qsuf:1;
306
  unsigned int no_ldsuf:1;
307
  unsigned int fwait:1;
308
  unsigned int isstring:1;
309
  unsigned int regkludge:1;
310
  unsigned int firstxmm0:1;
311
  unsigned int implicit1stxmm0:1;
312
  unsigned int byteokintel:1;
313
  unsigned int todword:1;
314
  unsigned int toqword:1;
315
  unsigned int addrprefixop0:1;
316
  unsigned int isprefix:1;
317
  unsigned int immext:1;
318
  unsigned int norex64:1;
319
  unsigned int rex64:1;
320
  unsigned int ugh:1;
321
  unsigned int drex:1;
322
  unsigned int drexv:1;
323
  unsigned int drexc:1;
324
  unsigned int vex:1;
325
  unsigned int vex256:1;
326
  unsigned int vexnds:1;
327
  unsigned int vexndd:1;
328
  unsigned int vexw0:1;
329
  unsigned int vexw1:1;
330
  unsigned int vex0f:1;
331
  unsigned int vex0f38:1;
332
  unsigned int vex0f3a:1;
333
  unsigned int vex3sources:1;
334
  unsigned int veximmext:1;
335
  unsigned int sse2avx:1;
336
  unsigned int noavx:1;
337
  unsigned int oldgcc:1;
338
  unsigned int attmnemonic:1;
339
  unsigned int attsyntax:1;
340
  unsigned int intelsyntax:1;
341
} i386_opcode_modifier;
342
 
343
/* Position of operand_type bits.  */
344
 
345
/* 8bit register */
346
#define Reg8                    0
347
/* 16bit register */
348
#define Reg16                   (Reg8 + 1)
349
/* 32bit register */
350
#define Reg32                   (Reg16 + 1)
351
/* 64bit register */
352
#define Reg64                   (Reg32 + 1)
353
/* Floating pointer stack register */
354
#define FloatReg                (Reg64 + 1)
355
/* MMX register */
356
#define RegMMX                  (FloatReg + 1)
357
/* SSE register */
358
#define RegXMM                  (RegMMX + 1)
359
/* AVX registers */
360
#define RegYMM                  (RegXMM + 1)
361
/* Control register */
362
#define Control                 (RegYMM + 1)
363
/* Debug register */
364
#define Debug                   (Control + 1)
365
/* Test register */
366
#define Test                    (Debug + 1)
367
/* 2 bit segment register */
368
#define SReg2                   (Test + 1)
369
/* 3 bit segment register */
370
#define SReg3                   (SReg2 + 1)
371
/* 1 bit immediate */
372
#define Imm1                    (SReg3 + 1)
373
/* 8 bit immediate */
374
#define Imm8                    (Imm1 + 1)
375
/* 8 bit immediate sign extended */
376
#define Imm8S                   (Imm8 + 1)
377
/* 16 bit immediate */
378
#define Imm16                   (Imm8S + 1)
379
/* 32 bit immediate */
380
#define Imm32                   (Imm16 + 1)
381
/* 32 bit immediate sign extended */
382
#define Imm32S                  (Imm32 + 1)
383
/* 64 bit immediate */
384
#define Imm64                   (Imm32S + 1)
385
/* 8bit/16bit/32bit displacements are used in different ways,
386
   depending on the instruction.  For jumps, they specify the
387
   size of the PC relative displacement, for instructions with
388
   memory operand, they specify the size of the offset relative
389
   to the base register, and for instructions with memory offset
390
   such as `mov 1234,%al' they specify the size of the offset
391
   relative to the segment base.  */
392
/* 8 bit displacement */
393
#define Disp8                   (Imm64 + 1)
394
/* 16 bit displacement */
395
#define Disp16                  (Disp8 + 1)
396
/* 32 bit displacement */
397
#define Disp32                  (Disp16 + 1)
398
/* 32 bit signed displacement */
399
#define Disp32S                 (Disp32 + 1)
400
/* 64 bit displacement */
401
#define Disp64                  (Disp32S + 1)
402
/* Accumulator %al/%ax/%eax/%rax */
403
#define Acc                     (Disp64 + 1)
404
/* Floating pointer top stack register %st(0) */
405
#define FloatAcc                (Acc + 1)
406
/* Register which can be used for base or index in memory operand.  */
407
#define BaseIndex               (FloatAcc + 1)
408
/* Register to hold in/out port addr = dx */
409
#define InOutPortReg            (BaseIndex + 1)
410
/* Register to hold shift count = cl */
411
#define ShiftCount              (InOutPortReg + 1)
412
/* Absolute address for jump.  */
413
#define JumpAbsolute            (ShiftCount + 1)
414
/* String insn operand with fixed es segment */
415
#define EsSeg                   (JumpAbsolute + 1)
416
/* RegMem is for instructions with a modrm byte where the register
417
   destination operand should be encoded in the mod and regmem fields.
418
   Normally, it will be encoded in the reg field. We add a RegMem
419
   flag to the destination register operand to indicate that it should
420
   be encoded in the regmem field.  */
421
#define RegMem                  (EsSeg + 1)
422
/* Memory.  */
423
#define Mem                     (RegMem + 1)
424
/* BYTE memory. */
425
#define Byte                    (Mem + 1)
426
/* WORD memory. 2 byte */
427
#define Word                    (Byte + 1)
428
/* DWORD memory. 4 byte */
429
#define Dword                   (Word + 1)
430
/* FWORD memory. 6 byte */
431
#define Fword                   (Dword + 1)
432
/* QWORD memory. 8 byte */
433
#define Qword                   (Fword + 1)
434
/* TBYTE memory. 10 byte */
435
#define Tbyte                   (Qword + 1)
436
/* XMMWORD memory. */
437
#define Xmmword                 (Tbyte + 1)
438
/* YMMWORD memory. */
439
#define Ymmword                 (Xmmword + 1)
440
/* Unspecified memory size.  */
441
#define Unspecified             (Ymmword + 1)
442
/* Any memory size.  */
443
#define Anysize                 (Unspecified  + 1)
444
 
445
/* VEX 4 bit immediate */
446
#define Vex_Imm4                (Anysize + 1)
447
 
448
/* The last bitfield in i386_operand_type.  */
449
#define OTMax                   Vex_Imm4
450
 
451
#define OTNumOfUints \
452
  (OTMax / sizeof (unsigned int) / CHAR_BIT + 1)
453
#define OTNumOfBits \
454
  (OTNumOfUints * sizeof (unsigned int) * CHAR_BIT)
455
 
456
/* If you get a compiler error for zero width of the unused field,
457
   comment it out.  */
458
#define OTUnused                (OTMax + 1)
459
 
460
typedef union i386_operand_type
461
{
462
  struct
463
    {
464
      unsigned int reg8:1;
465
      unsigned int reg16:1;
466
      unsigned int reg32:1;
467
      unsigned int reg64:1;
468
      unsigned int floatreg:1;
469
      unsigned int regmmx:1;
470
      unsigned int regxmm:1;
471
      unsigned int regymm:1;
472
      unsigned int control:1;
473
      unsigned int debug:1;
474
      unsigned int test:1;
475
      unsigned int sreg2:1;
476
      unsigned int sreg3:1;
477
      unsigned int imm1:1;
478
      unsigned int imm8:1;
479
      unsigned int imm8s:1;
480
      unsigned int imm16:1;
481
      unsigned int imm32:1;
482
      unsigned int imm32s:1;
483
      unsigned int imm64:1;
484
      unsigned int disp8:1;
485
      unsigned int disp16:1;
486
      unsigned int disp32:1;
487
      unsigned int disp32s:1;
488
      unsigned int disp64:1;
489
      unsigned int acc:1;
490
      unsigned int floatacc:1;
491
      unsigned int baseindex:1;
492
      unsigned int inoutportreg:1;
493
      unsigned int shiftcount:1;
494
      unsigned int jumpabsolute:1;
495
      unsigned int esseg:1;
496
      unsigned int regmem:1;
497
      unsigned int mem:1;
498
      unsigned int byte:1;
499
      unsigned int word:1;
500
      unsigned int dword:1;
501
      unsigned int fword:1;
502
      unsigned int qword:1;
503
      unsigned int tbyte:1;
504
      unsigned int xmmword:1;
505
      unsigned int ymmword:1;
506
      unsigned int unspecified:1;
507
      unsigned int anysize:1;
508
      unsigned int vex_imm4:1;
509
#ifdef OTUnused
510
      unsigned int unused:(OTNumOfBits - OTUnused);
511
#endif
512
    } bitfield;
513
  unsigned int array[OTNumOfUints];
514
} i386_operand_type;
515
 
516
typedef struct template
517
{
518
  /* instruction name sans width suffix ("mov" for movl insns) */
519
  char *name;
520
 
521
  /* how many operands */
522
  unsigned int operands;
523
 
524
  /* base_opcode is the fundamental opcode byte without optional
525
     prefix(es).  */
526
  unsigned int base_opcode;
527
#define Opcode_D        0x2 /* Direction bit:
528
                               set if Reg --> Regmem;
529
                               unset if Regmem --> Reg. */
530
#define Opcode_FloatR   0x8 /* Bit to swap src/dest for float insns. */
531
#define Opcode_FloatD 0x400 /* Direction bit for float insns. */
532
 
533
  /* extension_opcode is the 3 bit extension for group <n> insns.
534
     This field is also used to store the 8-bit opcode suffix for the
535
     AMD 3DNow! instructions.
536
     If this template has no extension opcode (the usual case) use None
537
     Instructions with Drex use this to specify 2 bits for OC */
538
  unsigned int extension_opcode;
539
#define None 0xffff             /* If no extension_opcode is possible.  */
540
 
541
  /* Opcode length.  */
542
  unsigned char opcode_length;
543
 
544
  /* cpu feature flags */
545
  i386_cpu_flags cpu_flags;
546
 
547
  /* the bits in opcode_modifier are used to generate the final opcode from
548
     the base_opcode.  These bits also are used to detect alternate forms of
549
     the same instruction */
550
  i386_opcode_modifier opcode_modifier;
551
 
552
  /* operand_types[i] describes the type of operand i.  This is made
553
     by OR'ing together all of the possible type masks.  (e.g.
554
     'operand_types[i] = Reg|Imm' specifies that operand i can be
555
     either a register or an immediate operand.  */
556
  i386_operand_type operand_types[MAX_OPERANDS];
557
}
558
template;
559
 
560
extern const template i386_optab[];
561
 
562
/* these are for register name --> number & type hash lookup */
563
typedef struct
564
{
565
  char *reg_name;
566
  i386_operand_type reg_type;
567
  unsigned char reg_flags;
568
#define RegRex      0x1  /* Extended register.  */
569
#define RegRex64    0x2  /* Extended 8 bit register.  */
570
  unsigned char reg_num;
571
#define RegRip  ((unsigned char ) ~0)
572
#define RegEip  (RegRip - 1)
573
/* EIZ and RIZ are fake index registers.  */
574
#define RegEiz  (RegEip - 1)
575
#define RegRiz  (RegEiz - 1)
576
/* FLAT is a fake segment register (Intel mode).  */
577
#define RegFlat     ((unsigned char) ~0)
578
  signed char dw2_regnum[2];
579
#define Dw2Inval (-1)
580
}
581
reg_entry;
582
 
583
/* Entries in i386_regtab.  */
584
#define REGNAM_AL 1
585
#define REGNAM_AX 25
586
#define REGNAM_EAX 41
587
 
588
extern const reg_entry i386_regtab[];
589
extern const unsigned int i386_regtab_size;
590
 
591
typedef struct
592
{
593
  char *seg_name;
594
  unsigned int seg_prefix;
595
}
596
seg_entry;
597
 
598
extern const seg_entry cs;
599
extern const seg_entry ds;
600
extern const seg_entry ss;
601
extern const seg_entry es;
602
extern const seg_entry fs;
603
extern const seg_entry gs;

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