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Update OpenBIOS images to r771
[qemu/aliguori-queue.git] / i386-dis.c
blobc4a81c99ad5bd1a1e2b313647ea348e426f9b096
1 /* opcodes/i386-dis.c r1.126 */
2 /* Print i386 instructions for GDB, the GNU debugger.
3 Copyright 1988, 1989, 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
4 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
5
6 This file is part of GDB.
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, see <http://www.gnu.org/licenses/>. */
20
21 /* 80386 instruction printer by Pace Willisson (pace@prep.ai.mit.edu)
22 July 1988
23 modified by John Hassey (hassey@dg-rtp.dg.com)
24 x86-64 support added by Jan Hubicka (jh@suse.cz)
25 VIA PadLock support by Michal Ludvig (mludvig@suse.cz). */
26
27 /* The main tables describing the instructions is essentially a copy
28 of the "Opcode Map" chapter (Appendix A) of the Intel 80386
29 Programmers Manual. Usually, there is a capital letter, followed
30 by a small letter. The capital letter tell the addressing mode,
31 and the small letter tells about the operand size. Refer to
32 the Intel manual for details. */
33
34 #include <stdlib.h>
35 #include "dis-asm.h"
36 /* include/opcode/i386.h r1.78 */
37
38 /* opcode/i386.h -- Intel 80386 opcode macros
39 Copyright 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
40 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
41 Free Software Foundation, Inc.
42
43 This file is part of GAS, the GNU Assembler, and GDB, the GNU Debugger.
44
45 This program is free software; you can redistribute it and/or modify
46 it under the terms of the GNU General Public License as published by
47 the Free Software Foundation; either version 2 of the License, or
48 (at your option) any later version.
49
50 This program is distributed in the hope that it will be useful,
51 but WITHOUT ANY WARRANTY; without even the implied warranty of
52 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
53 GNU General Public License for more details.
54
55 You should have received a copy of the GNU General Public License
56 along with this program; if not, see <http://www.gnu.org/licenses/>. */
57
58 /* The SystemV/386 SVR3.2 assembler, and probably all AT&T derived
59 ix86 Unix assemblers, generate floating point instructions with
60 reversed source and destination registers in certain cases.
61 Unfortunately, gcc and possibly many other programs use this
62 reversed syntax, so we're stuck with it.
63
64 eg. `fsub %st(3),%st' results in st = st - st(3) as expected, but
65 `fsub %st,%st(3)' results in st(3) = st - st(3), rather than
66 the expected st(3) = st(3) - st
67
68 This happens with all the non-commutative arithmetic floating point
69 operations with two register operands, where the source register is
70 %st, and destination register is %st(i).
71
72 The affected opcode map is dceX, dcfX, deeX, defX. */
73
74 #ifndef SYSV386_COMPAT
75 /* Set non-zero for broken, compatible instructions. Set to zero for
76 non-broken opcodes at your peril. gcc generates SystemV/386
77 compatible instructions. */
78 #define SYSV386_COMPAT 1
79 #endif
80 #ifndef OLDGCC_COMPAT
81 /* Set non-zero to cater for old (<= 2.8.1) versions of gcc that could
82 generate nonsense fsubp, fsubrp, fdivp and fdivrp with operands
83 reversed. */
84 #define OLDGCC_COMPAT SYSV386_COMPAT
85 #endif
86
87 #define MOV_AX_DISP32 0xa0
88 #define POP_SEG_SHORT 0x07
89 #define JUMP_PC_RELATIVE 0xeb
90 #define INT_OPCODE 0xcd
91 #define INT3_OPCODE 0xcc
92 /* The opcode for the fwait instruction, which disassembler treats as a
93 prefix when it can. */
94 #define FWAIT_OPCODE 0x9b
95 #define ADDR_PREFIX_OPCODE 0x67
96 #define DATA_PREFIX_OPCODE 0x66
97 #define LOCK_PREFIX_OPCODE 0xf0
98 #define CS_PREFIX_OPCODE 0x2e
99 #define DS_PREFIX_OPCODE 0x3e
100 #define ES_PREFIX_OPCODE 0x26
101 #define FS_PREFIX_OPCODE 0x64
102 #define GS_PREFIX_OPCODE 0x65
103 #define SS_PREFIX_OPCODE 0x36
104 #define REPNE_PREFIX_OPCODE 0xf2
105 #define REPE_PREFIX_OPCODE 0xf3
106
107 #define TWO_BYTE_OPCODE_ESCAPE 0x0f
108 #define NOP_OPCODE (char) 0x90
109
110 /* register numbers */
111 #define EBP_REG_NUM 5
112 #define ESP_REG_NUM 4
113
114 /* modrm_byte.regmem for twobyte escape */
115 #define ESCAPE_TO_TWO_BYTE_ADDRESSING ESP_REG_NUM
116 /* index_base_byte.index for no index register addressing */
117 #define NO_INDEX_REGISTER ESP_REG_NUM
118 /* index_base_byte.base for no base register addressing */
119 #define NO_BASE_REGISTER EBP_REG_NUM
120 #define NO_BASE_REGISTER_16 6
121
122 /* modrm.mode = REGMEM_FIELD_HAS_REG when a register is in there */
123 #define REGMEM_FIELD_HAS_REG 0x3/* always = 0x3 */
124 #define REGMEM_FIELD_HAS_MEM (~REGMEM_FIELD_HAS_REG)
125
126 /* x86-64 extension prefix. */
127 #define REX_OPCODE 0x40
128
129 /* Indicates 64 bit operand size. */
130 #define REX_W 8
131 /* High extension to reg field of modrm byte. */
132 #define REX_R 4
133 /* High extension to SIB index field. */
134 #define REX_X 2
135 /* High extension to base field of modrm or SIB, or reg field of opcode. */
136 #define REX_B 1
137
138 /* max operands per insn */
139 #define MAX_OPERANDS 4
140
141 /* max immediates per insn (lcall, ljmp, insertq, extrq) */
142 #define MAX_IMMEDIATE_OPERANDS 2
143
144 /* max memory refs per insn (string ops) */
145 #define MAX_MEMORY_OPERANDS 2
146
147 /* max size of insn mnemonics. */
148 #define MAX_MNEM_SIZE 16
149
150 /* max size of register name in insn mnemonics. */
151 #define MAX_REG_NAME_SIZE 8
152
153 /* opcodes/i386-dis.c r1.126 */
154 #include "qemu-common.h"
155
156 #include <setjmp.h>
157
158 static int fetch_data2(struct disassemble_info *, bfd_byte *);
159 static int fetch_data(struct disassemble_info *, bfd_byte *);
160 static void ckprefix (void);
161 static const char *prefix_name (int, int);
162 static int print_insn (bfd_vma, disassemble_info *);
163 static void dofloat (int);
164 static void OP_ST (int, int);
165 static void OP_STi (int, int);
166 static int putop (const char *, int);
167 static void oappend (const char *);
168 static void append_seg (void);
169 static void OP_indirE (int, int);
170 static void print_operand_value (char *buf, size_t bufsize, int hex, bfd_vma disp);
171 static void print_displacement (char *, bfd_vma);
172 static void OP_E (int, int);
173 static void OP_G (int, int);
174 static bfd_vma get64 (void);
175 static bfd_signed_vma get32 (void);
176 static bfd_signed_vma get32s (void);
177 static int get16 (void);
178 static void set_op (bfd_vma, int);
179 static void OP_REG (int, int);
180 static void OP_IMREG (int, int);
181 static void OP_I (int, int);
182 static void OP_I64 (int, int);
183 static void OP_sI (int, int);
184 static void OP_J (int, int);
185 static void OP_SEG (int, int);
186 static void OP_DIR (int, int);
187 static void OP_OFF (int, int);
188 static void OP_OFF64 (int, int);
189 static void ptr_reg (int, int);
190 static void OP_ESreg (int, int);
191 static void OP_DSreg (int, int);
192 static void OP_C (int, int);
193 static void OP_D (int, int);
194 static void OP_T (int, int);
195 static void OP_R (int, int);
196 static void OP_MMX (int, int);
197 static void OP_XMM (int, int);
198 static void OP_EM (int, int);
199 static void OP_EX (int, int);
200 static void OP_EMC (int,int);
201 static void OP_MXC (int,int);
202 static void OP_MS (int, int);
203 static void OP_XS (int, int);
204 static void OP_M (int, int);
205 static void OP_VMX (int, int);
206 static void OP_0fae (int, int);
207 static void OP_0f07 (int, int);
208 static void NOP_Fixup1 (int, int);
209 static void NOP_Fixup2 (int, int);
210 static void OP_3DNowSuffix (int, int);
211 static void OP_SIMD_Suffix (int, int);
212 static void SIMD_Fixup (int, int);
213 static void PNI_Fixup (int, int);
214 static void SVME_Fixup (int, int);
215 static void INVLPG_Fixup (int, int);
216 static void BadOp (void);
217 static void VMX_Fixup (int, int);
218 static void REP_Fixup (int, int);
219 static void CMPXCHG8B_Fixup (int, int);
220 static void XMM_Fixup (int, int);
221 static void CRC32_Fixup (int, int);
222
223 struct dis_private {
224 /* Points to first byte not fetched. */
225 bfd_byte *max_fetched;
226 bfd_byte the_buffer[MAX_MNEM_SIZE];
227 bfd_vma insn_start;
228 int orig_sizeflag;
229 jmp_buf bailout;
230 };
231
232 enum address_mode
233 {
234 mode_16bit,
235 mode_32bit,
236 mode_64bit
237 };
238
239 static enum address_mode address_mode;
240
241 /* Flags for the prefixes for the current instruction. See below. */
242 static int prefixes;
243
244 /* REX prefix the current instruction. See below. */
245 static int rex;
246 /* Bits of REX we've already used. */
247 static int rex_used;
248 /* Mark parts used in the REX prefix. When we are testing for
249 empty prefix (for 8bit register REX extension), just mask it
250 out. Otherwise test for REX bit is excuse for existence of REX
251 only in case value is nonzero. */
252 #define USED_REX(value) \
253 { \
254 if (value) \
255 { \
256 if ((rex & value)) \
257 rex_used |= (value) | REX_OPCODE; \
258 } \
259 else \
260 rex_used |= REX_OPCODE; \
261 }
262
263 /* Flags for prefixes which we somehow handled when printing the
264 current instruction. */
265 static int used_prefixes;
266
267 /* Flags stored in PREFIXES. */
268 #define PREFIX_REPZ 1
269 #define PREFIX_REPNZ 2
270 #define PREFIX_LOCK 4
271 #define PREFIX_CS 8
272 #define PREFIX_SS 0x10
273 #define PREFIX_DS 0x20
274 #define PREFIX_ES 0x40
275 #define PREFIX_FS 0x80
276 #define PREFIX_GS 0x100
277 #define PREFIX_DATA 0x200
278 #define PREFIX_ADDR 0x400
279 #define PREFIX_FWAIT 0x800
280
281 /* Make sure that bytes from INFO->PRIVATE_DATA->BUFFER (inclusive)
282 to ADDR (exclusive) are valid. Returns 1 for success, longjmps
283 on error. */
284 static int
285 fetch_data2(struct disassemble_info *info, bfd_byte *addr)
286 {
287 int status;
288 struct dis_private *priv = (struct dis_private *) info->private_data;
289 bfd_vma start = priv->insn_start + (priv->max_fetched - priv->the_buffer);
290
291 if (addr <= priv->the_buffer + MAX_MNEM_SIZE)
292 status = (*info->read_memory_func) (start,
293 priv->max_fetched,
294 addr - priv->max_fetched,
295 info);
296 else
297 status = -1;
298 if (status != 0)
299 {
300 /* If we did manage to read at least one byte, then
301 print_insn_i386 will do something sensible. Otherwise, print
302 an error. We do that here because this is where we know
303 STATUS. */
304 if (priv->max_fetched == priv->the_buffer)
305 (*info->memory_error_func) (status, start, info);
306 longjmp (priv->bailout, 1);
307 }
308 else
309 priv->max_fetched = addr;
310 return 1;
311 }
312
313 static int
314 fetch_data(struct disassemble_info *info, bfd_byte *addr)
315 {
316 if (addr <= ((struct dis_private *) (info->private_data))->max_fetched) {
317 return 1;
318 } else {
319 return fetch_data2(info, addr);
320 }
321 }
322
323
324 #define XX { NULL, 0 }
325
326 #define Eb { OP_E, b_mode }
327 #define Ev { OP_E, v_mode }
328 #define Ed { OP_E, d_mode }
329 #define Edq { OP_E, dq_mode }
330 #define Edqw { OP_E, dqw_mode }
331 #define Edqb { OP_E, dqb_mode }
332 #define Edqd { OP_E, dqd_mode }
333 #define indirEv { OP_indirE, stack_v_mode }
334 #define indirEp { OP_indirE, f_mode }
335 #define stackEv { OP_E, stack_v_mode }
336 #define Em { OP_E, m_mode }
337 #define Ew { OP_E, w_mode }
338 #define M { OP_M, 0 } /* lea, lgdt, etc. */
339 #define Ma { OP_M, v_mode }
340 #define Mp { OP_M, f_mode } /* 32 or 48 bit memory operand for LDS, LES etc */
341 #define Mq { OP_M, q_mode }
342 #define Gb { OP_G, b_mode }
343 #define Gv { OP_G, v_mode }
344 #define Gd { OP_G, d_mode }
345 #define Gdq { OP_G, dq_mode }
346 #define Gm { OP_G, m_mode }
347 #define Gw { OP_G, w_mode }
348 #define Rd { OP_R, d_mode }
349 #define Rm { OP_R, m_mode }
350 #define Ib { OP_I, b_mode }
351 #define sIb { OP_sI, b_mode } /* sign extened byte */
352 #define Iv { OP_I, v_mode }
353 #define Iq { OP_I, q_mode }
354 #define Iv64 { OP_I64, v_mode }
355 #define Iw { OP_I, w_mode }
356 #define I1 { OP_I, const_1_mode }
357 #define Jb { OP_J, b_mode }
358 #define Jv { OP_J, v_mode }
359 #define Cm { OP_C, m_mode }
360 #define Dm { OP_D, m_mode }
361 #define Td { OP_T, d_mode }
362
363 #define RMeAX { OP_REG, eAX_reg }
364 #define RMeBX { OP_REG, eBX_reg }
365 #define RMeCX { OP_REG, eCX_reg }
366 #define RMeDX { OP_REG, eDX_reg }
367 #define RMeSP { OP_REG, eSP_reg }
368 #define RMeBP { OP_REG, eBP_reg }
369 #define RMeSI { OP_REG, eSI_reg }
370 #define RMeDI { OP_REG, eDI_reg }
371 #define RMrAX { OP_REG, rAX_reg }
372 #define RMrBX { OP_REG, rBX_reg }
373 #define RMrCX { OP_REG, rCX_reg }
374 #define RMrDX { OP_REG, rDX_reg }
375 #define RMrSP { OP_REG, rSP_reg }
376 #define RMrBP { OP_REG, rBP_reg }
377 #define RMrSI { OP_REG, rSI_reg }
378 #define RMrDI { OP_REG, rDI_reg }
379 #define RMAL { OP_REG, al_reg }
380 #define RMAL { OP_REG, al_reg }
381 #define RMCL { OP_REG, cl_reg }
382 #define RMDL { OP_REG, dl_reg }
383 #define RMBL { OP_REG, bl_reg }
384 #define RMAH { OP_REG, ah_reg }
385 #define RMCH { OP_REG, ch_reg }
386 #define RMDH { OP_REG, dh_reg }
387 #define RMBH { OP_REG, bh_reg }
388 #define RMAX { OP_REG, ax_reg }
389 #define RMDX { OP_REG, dx_reg }
390
391 #define eAX { OP_IMREG, eAX_reg }
392 #define eBX { OP_IMREG, eBX_reg }
393 #define eCX { OP_IMREG, eCX_reg }
394 #define eDX { OP_IMREG, eDX_reg }
395 #define eSP { OP_IMREG, eSP_reg }
396 #define eBP { OP_IMREG, eBP_reg }
397 #define eSI { OP_IMREG, eSI_reg }
398 #define eDI { OP_IMREG, eDI_reg }
399 #define AL { OP_IMREG, al_reg }
400 #define CL { OP_IMREG, cl_reg }
401 #define DL { OP_IMREG, dl_reg }
402 #define BL { OP_IMREG, bl_reg }
403 #define AH { OP_IMREG, ah_reg }
404 #define CH { OP_IMREG, ch_reg }
405 #define DH { OP_IMREG, dh_reg }
406 #define BH { OP_IMREG, bh_reg }
407 #define AX { OP_IMREG, ax_reg }
408 #define DX { OP_IMREG, dx_reg }
409 #define zAX { OP_IMREG, z_mode_ax_reg }
410 #define indirDX { OP_IMREG, indir_dx_reg }
411
412 #define Sw { OP_SEG, w_mode }
413 #define Sv { OP_SEG, v_mode }
414 #define Ap { OP_DIR, 0 }
415 #define Ob { OP_OFF64, b_mode }
416 #define Ov { OP_OFF64, v_mode }
417 #define Xb { OP_DSreg, eSI_reg }
418 #define Xv { OP_DSreg, eSI_reg }
419 #define Xz { OP_DSreg, eSI_reg }
420 #define Yb { OP_ESreg, eDI_reg }
421 #define Yv { OP_ESreg, eDI_reg }
422 #define DSBX { OP_DSreg, eBX_reg }
423
424 #define es { OP_REG, es_reg }
425 #define ss { OP_REG, ss_reg }
426 #define cs { OP_REG, cs_reg }
427 #define ds { OP_REG, ds_reg }
428 #define fs { OP_REG, fs_reg }
429 #define gs { OP_REG, gs_reg }
430
431 #define MX { OP_MMX, 0 }
432 #define XM { OP_XMM, 0 }
433 #define EM { OP_EM, v_mode }
434 #define EMd { OP_EM, d_mode }
435 #define EMq { OP_EM, q_mode }
436 #define EXd { OP_EX, d_mode }
437 #define EXq { OP_EX, q_mode }
438 #define EXx { OP_EX, x_mode }
439 #define MS { OP_MS, v_mode }
440 #define XS { OP_XS, v_mode }
441 #define EMC { OP_EMC, v_mode }
442 #define MXC { OP_MXC, 0 }
443 #define VM { OP_VMX, q_mode }
444 #define OPSUF { OP_3DNowSuffix, 0 }
445 #define OPSIMD { OP_SIMD_Suffix, 0 }
446 #define XMM0 { XMM_Fixup, 0 }
447
448 /* Used handle "rep" prefix for string instructions. */
449 #define Xbr { REP_Fixup, eSI_reg }
450 #define Xvr { REP_Fixup, eSI_reg }
451 #define Ybr { REP_Fixup, eDI_reg }
452 #define Yvr { REP_Fixup, eDI_reg }
453 #define Yzr { REP_Fixup, eDI_reg }
454 #define indirDXr { REP_Fixup, indir_dx_reg }
455 #define ALr { REP_Fixup, al_reg }
456 #define eAXr { REP_Fixup, eAX_reg }
457
458 #define cond_jump_flag { NULL, cond_jump_mode }
459 #define loop_jcxz_flag { NULL, loop_jcxz_mode }
460
461 /* bits in sizeflag */
462 #define SUFFIX_ALWAYS 4
463 #define AFLAG 2
464 #define DFLAG 1
465
466 #define b_mode 1 /* byte operand */
467 #define v_mode 2 /* operand size depends on prefixes */
468 #define w_mode 3 /* word operand */
469 #define d_mode 4 /* double word operand */
470 #define q_mode 5 /* quad word operand */
471 #define t_mode 6 /* ten-byte operand */
472 #define x_mode 7 /* 16-byte XMM operand */
473 #define m_mode 8 /* d_mode in 32bit, q_mode in 64bit mode. */
474 #define cond_jump_mode 9
475 #define loop_jcxz_mode 10
476 #define dq_mode 11 /* operand size depends on REX prefixes. */
477 #define dqw_mode 12 /* registers like dq_mode, memory like w_mode. */
478 #define f_mode 13 /* 4- or 6-byte pointer operand */
479 #define const_1_mode 14
480 #define stack_v_mode 15 /* v_mode for stack-related opcodes. */
481 #define z_mode 16 /* non-quad operand size depends on prefixes */
482 #define o_mode 17 /* 16-byte operand */
483 #define dqb_mode 18 /* registers like dq_mode, memory like b_mode. */
484 #define dqd_mode 19 /* registers like dq_mode, memory like d_mode. */
485
486 #define es_reg 100
487 #define cs_reg 101
488 #define ss_reg 102
489 #define ds_reg 103
490 #define fs_reg 104
491 #define gs_reg 105
492
493 #define eAX_reg 108
494 #define eCX_reg 109
495 #define eDX_reg 110
496 #define eBX_reg 111
497 #define eSP_reg 112
498 #define eBP_reg 113
499 #define eSI_reg 114
500 #define eDI_reg 115
501
502 #define al_reg 116
503 #define cl_reg 117
504 #define dl_reg 118
505 #define bl_reg 119
506 #define ah_reg 120
507 #define ch_reg 121
508 #define dh_reg 122
509 #define bh_reg 123
510
511 #define ax_reg 124
512 #define cx_reg 125
513 #define dx_reg 126
514 #define bx_reg 127
515 #define sp_reg 128
516 #define bp_reg 129
517 #define si_reg 130
518 #define di_reg 131
519
520 #define rAX_reg 132
521 #define rCX_reg 133
522 #define rDX_reg 134
523 #define rBX_reg 135
524 #define rSP_reg 136
525 #define rBP_reg 137
526 #define rSI_reg 138
527 #define rDI_reg 139
528
529 #define z_mode_ax_reg 149
530 #define indir_dx_reg 150
531
532 #define FLOATCODE 1
533 #define USE_GROUPS 2
534 #define USE_PREFIX_USER_TABLE 3
535 #define X86_64_SPECIAL 4
536 #define IS_3BYTE_OPCODE 5
537
538 #define FLOAT NULL, { { NULL, FLOATCODE } }
539
540 #define GRP1a NULL, { { NULL, USE_GROUPS }, { NULL, 0 } }
541 #define GRP1b NULL, { { NULL, USE_GROUPS }, { NULL, 1 } }
542 #define GRP1S NULL, { { NULL, USE_GROUPS }, { NULL, 2 } }
543 #define GRP1Ss NULL, { { NULL, USE_GROUPS }, { NULL, 3 } }
544 #define GRP2b NULL, { { NULL, USE_GROUPS }, { NULL, 4 } }
545 #define GRP2S NULL, { { NULL, USE_GROUPS }, { NULL, 5 } }
546 #define GRP2b_one NULL, { { NULL, USE_GROUPS }, { NULL, 6 } }
547 #define GRP2S_one NULL, { { NULL, USE_GROUPS }, { NULL, 7 } }
548 #define GRP2b_cl NULL, { { NULL, USE_GROUPS }, { NULL, 8 } }
549 #define GRP2S_cl NULL, { { NULL, USE_GROUPS }, { NULL, 9 } }
550 #define GRP3b NULL, { { NULL, USE_GROUPS }, { NULL, 10 } }
551 #define GRP3S NULL, { { NULL, USE_GROUPS }, { NULL, 11 } }
552 #define GRP4 NULL, { { NULL, USE_GROUPS }, { NULL, 12 } }
553 #define GRP5 NULL, { { NULL, USE_GROUPS }, { NULL, 13 } }
554 #define GRP6 NULL, { { NULL, USE_GROUPS }, { NULL, 14 } }
555 #define GRP7 NULL, { { NULL, USE_GROUPS }, { NULL, 15 } }
556 #define GRP8 NULL, { { NULL, USE_GROUPS }, { NULL, 16 } }
557 #define GRP9 NULL, { { NULL, USE_GROUPS }, { NULL, 17 } }
558 #define GRP11_C6 NULL, { { NULL, USE_GROUPS }, { NULL, 18 } }
559 #define GRP11_C7 NULL, { { NULL, USE_GROUPS }, { NULL, 19 } }
560 #define GRP12 NULL, { { NULL, USE_GROUPS }, { NULL, 20 } }
561 #define GRP13 NULL, { { NULL, USE_GROUPS }, { NULL, 21 } }
562 #define GRP14 NULL, { { NULL, USE_GROUPS }, { NULL, 22 } }
563 #define GRP15 NULL, { { NULL, USE_GROUPS }, { NULL, 23 } }
564 #define GRP16 NULL, { { NULL, USE_GROUPS }, { NULL, 24 } }
565 #define GRPAMD NULL, { { NULL, USE_GROUPS }, { NULL, 25 } }
566 #define GRPPADLCK1 NULL, { { NULL, USE_GROUPS }, { NULL, 26 } }
567 #define GRPPADLCK2 NULL, { { NULL, USE_GROUPS }, { NULL, 27 } }
568
569 #define PREGRP0 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 0 } }
570 #define PREGRP1 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 1 } }
571 #define PREGRP2 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 2 } }
572 #define PREGRP3 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 3 } }
573 #define PREGRP4 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 4 } }
574 #define PREGRP5 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 5 } }
575 #define PREGRP6 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 6 } }
576 #define PREGRP7 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 7 } }
577 #define PREGRP8 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 8 } }
578 #define PREGRP9 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 9 } }
579 #define PREGRP10 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 10 } }
580 #define PREGRP11 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 11 } }
581 #define PREGRP12 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 12 } }
582 #define PREGRP13 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 13 } }
583 #define PREGRP14 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 14 } }
584 #define PREGRP15 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 15 } }
585 #define PREGRP16 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 16 } }
586 #define PREGRP17 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 17 } }
587 #define PREGRP18 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 18 } }
588 #define PREGRP19 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 19 } }
589 #define PREGRP20 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 20 } }
590 #define PREGRP21 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 21 } }
591 #define PREGRP22 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 22 } }
592 #define PREGRP23 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 23 } }
593 #define PREGRP24 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 24 } }
594 #define PREGRP25 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 25 } }
595 #define PREGRP26 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 26 } }
596 #define PREGRP27 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 27 } }
597 #define PREGRP28 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 28 } }
598 #define PREGRP29 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 29 } }
599 #define PREGRP30 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 30 } }
600 #define PREGRP31 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 31 } }
601 #define PREGRP32 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 32 } }
602 #define PREGRP33 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 33 } }
603 #define PREGRP34 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 34 } }
604 #define PREGRP35 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 35 } }
605 #define PREGRP36 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 36 } }
606 #define PREGRP37 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 37 } }
607 #define PREGRP38 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 38 } }
608 #define PREGRP39 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 39 } }
609 #define PREGRP40 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 40 } }
610 #define PREGRP41 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 41 } }
611 #define PREGRP42 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 42 } }
612 #define PREGRP43 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 43 } }
613 #define PREGRP44 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 44 } }
614 #define PREGRP45 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 45 } }
615 #define PREGRP46 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 46 } }
616 #define PREGRP47 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 47 } }
617 #define PREGRP48 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 48 } }
618 #define PREGRP49 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 49 } }
619 #define PREGRP50 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 50 } }
620 #define PREGRP51 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 51 } }
621 #define PREGRP52 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 52 } }
622 #define PREGRP53 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 53 } }
623 #define PREGRP54 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 54 } }
624 #define PREGRP55 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 55 } }
625 #define PREGRP56 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 56 } }
626 #define PREGRP57 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 57 } }
627 #define PREGRP58 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 58 } }
628 #define PREGRP59 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 59 } }
629 #define PREGRP60 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 60 } }
630 #define PREGRP61 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 61 } }
631 #define PREGRP62 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 62 } }
632 #define PREGRP63 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 63 } }
633 #define PREGRP64 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 64 } }
634 #define PREGRP65 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 65 } }
635 #define PREGRP66 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 66 } }
636 #define PREGRP67 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 67 } }
637 #define PREGRP68 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 68 } }
638 #define PREGRP69 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 69 } }
639 #define PREGRP70 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 70 } }
640 #define PREGRP71 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 71 } }
641 #define PREGRP72 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 72 } }
642 #define PREGRP73 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 73 } }
643 #define PREGRP74 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 74 } }
644 #define PREGRP75 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 75 } }
645 #define PREGRP76 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 76 } }
646 #define PREGRP77 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 77 } }
647 #define PREGRP78 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 78 } }
648 #define PREGRP79 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 79 } }
649 #define PREGRP80 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 80 } }
650 #define PREGRP81 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 81 } }
651 #define PREGRP82 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 82 } }
652 #define PREGRP83 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 83 } }
653 #define PREGRP84 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 84 } }
654 #define PREGRP85 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 85 } }
655 #define PREGRP86 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 86 } }
656 #define PREGRP87 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 87 } }
657 #define PREGRP88 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 88 } }
658 #define PREGRP89 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 89 } }
659 #define PREGRP90 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 90 } }
660 #define PREGRP91 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 91 } }
661 #define PREGRP92 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 92 } }
662 #define PREGRP93 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 93 } }
663 #define PREGRP94 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 94 } }
664 #define PREGRP95 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 95 } }
665 #define PREGRP96 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 96 } }
666 #define PREGRP97 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 97 } }
667
668
669 #define X86_64_0 NULL, { { NULL, X86_64_SPECIAL }, { NULL, 0 } }
670 #define X86_64_1 NULL, { { NULL, X86_64_SPECIAL }, { NULL, 1 } }
671 #define X86_64_2 NULL, { { NULL, X86_64_SPECIAL }, { NULL, 2 } }
672 #define X86_64_3 NULL, { { NULL, X86_64_SPECIAL }, { NULL, 3 } }
673
674 #define THREE_BYTE_0 NULL, { { NULL, IS_3BYTE_OPCODE }, { NULL, 0 } }
675 #define THREE_BYTE_1 NULL, { { NULL, IS_3BYTE_OPCODE }, { NULL, 1 } }
676
677 typedef void (*op_rtn) (int bytemode, int sizeflag);
678
679 struct dis386 {
680 const char *name;
681 struct
682 {
683 op_rtn rtn;
684 int bytemode;
685 } op[MAX_OPERANDS];
686 };
687
688 /* Upper case letters in the instruction names here are macros.
689 'A' => print 'b' if no register operands or suffix_always is true
690 'B' => print 'b' if suffix_always is true
691 'C' => print 's' or 'l' ('w' or 'd' in Intel mode) depending on operand
692 . size prefix
693 'D' => print 'w' if no register operands or 'w', 'l' or 'q', if
694 . suffix_always is true
695 'E' => print 'e' if 32-bit form of jcxz
696 'F' => print 'w' or 'l' depending on address size prefix (loop insns)
697 'G' => print 'w' or 'l' depending on operand size prefix (i/o insns)
698 'H' => print ",pt" or ",pn" branch hint
699 'I' => honor following macro letter even in Intel mode (implemented only
700 . for some of the macro letters)
701 'J' => print 'l'
702 'K' => print 'd' or 'q' if rex prefix is present.
703 'L' => print 'l' if suffix_always is true
704 'N' => print 'n' if instruction has no wait "prefix"
705 'O' => print 'd' or 'o' (or 'q' in Intel mode)
706 'P' => print 'w', 'l' or 'q' if instruction has an operand size prefix,
707 . or suffix_always is true. print 'q' if rex prefix is present.
708 'Q' => print 'w', 'l' or 'q' if no register operands or suffix_always
709 . is true
710 'R' => print 'w', 'l' or 'q' ('d' for 'l' and 'e' in Intel mode)
711 'S' => print 'w', 'l' or 'q' if suffix_always is true
712 'T' => print 'q' in 64bit mode and behave as 'P' otherwise
713 'U' => print 'q' in 64bit mode and behave as 'Q' otherwise
714 'V' => print 'q' in 64bit mode and behave as 'S' otherwise
715 'W' => print 'b', 'w' or 'l' ('d' in Intel mode)
716 'X' => print 's', 'd' depending on data16 prefix (for XMM)
717 'Y' => 'q' if instruction has an REX 64bit overwrite prefix
718 'Z' => print 'q' in 64bit mode and behave as 'L' otherwise
719
720 Many of the above letters print nothing in Intel mode. See "putop"
721 for the details.
722
723 Braces '{' and '}', and vertical bars '|', indicate alternative
724 mnemonic strings for AT&T, Intel, X86_64 AT&T, and X86_64 Intel
725 modes. In cases where there are only two alternatives, the X86_64
726 instruction is reserved, and "(bad)" is printed.
727 */
728
729 static const struct dis386 dis386[] = {
730 /* 00 */
731 { "addB", { Eb, Gb } },
732 { "addS", { Ev, Gv } },
733 { "addB", { Gb, Eb } },
734 { "addS", { Gv, Ev } },
735 { "addB", { AL, Ib } },
736 { "addS", { eAX, Iv } },
737 { "push{T|}", { es } },
738 { "pop{T|}", { es } },
739 /* 08 */
740 { "orB", { Eb, Gb } },
741 { "orS", { Ev, Gv } },
742 { "orB", { Gb, Eb } },
743 { "orS", { Gv, Ev } },
744 { "orB", { AL, Ib } },
745 { "orS", { eAX, Iv } },
746 { "push{T|}", { cs } },
747 { "(bad)", { XX } }, /* 0x0f extended opcode escape */
748 /* 10 */
749 { "adcB", { Eb, Gb } },
750 { "adcS", { Ev, Gv } },
751 { "adcB", { Gb, Eb } },
752 { "adcS", { Gv, Ev } },
753 { "adcB", { AL, Ib } },
754 { "adcS", { eAX, Iv } },
755 { "push{T|}", { ss } },
756 { "pop{T|}", { ss } },
757 /* 18 */
758 { "sbbB", { Eb, Gb } },
759 { "sbbS", { Ev, Gv } },
760 { "sbbB", { Gb, Eb } },
761 { "sbbS", { Gv, Ev } },
762 { "sbbB", { AL, Ib } },
763 { "sbbS", { eAX, Iv } },
764 { "push{T|}", { ds } },
765 { "pop{T|}", { ds } },
766 /* 20 */
767 { "andB", { Eb, Gb } },
768 { "andS", { Ev, Gv } },
769 { "andB", { Gb, Eb } },
770 { "andS", { Gv, Ev } },
771 { "andB", { AL, Ib } },
772 { "andS", { eAX, Iv } },
773 { "(bad)", { XX } }, /* SEG ES prefix */
774 { "daa{|}", { XX } },
775 /* 28 */
776 { "subB", { Eb, Gb } },
777 { "subS", { Ev, Gv } },
778 { "subB", { Gb, Eb } },
779 { "subS", { Gv, Ev } },
780 { "subB", { AL, Ib } },
781 { "subS", { eAX, Iv } },
782 { "(bad)", { XX } }, /* SEG CS prefix */
783 { "das{|}", { XX } },
784 /* 30 */
785 { "xorB", { Eb, Gb } },
786 { "xorS", { Ev, Gv } },
787 { "xorB", { Gb, Eb } },
788 { "xorS", { Gv, Ev } },
789 { "xorB", { AL, Ib } },
790 { "xorS", { eAX, Iv } },
791 { "(bad)", { XX } }, /* SEG SS prefix */
792 { "aaa{|}", { XX } },
793 /* 38 */
794 { "cmpB", { Eb, Gb } },
795 { "cmpS", { Ev, Gv } },
796 { "cmpB", { Gb, Eb } },
797 { "cmpS", { Gv, Ev } },
798 { "cmpB", { AL, Ib } },
799 { "cmpS", { eAX, Iv } },
800 { "(bad)", { XX } }, /* SEG DS prefix */
801 { "aas{|}", { XX } },
802 /* 40 */
803 { "inc{S|}", { RMeAX } },
804 { "inc{S|}", { RMeCX } },
805 { "inc{S|}", { RMeDX } },
806 { "inc{S|}", { RMeBX } },
807 { "inc{S|}", { RMeSP } },
808 { "inc{S|}", { RMeBP } },
809 { "inc{S|}", { RMeSI } },
810 { "inc{S|}", { RMeDI } },
811 /* 48 */
812 { "dec{S|}", { RMeAX } },
813 { "dec{S|}", { RMeCX } },
814 { "dec{S|}", { RMeDX } },
815 { "dec{S|}", { RMeBX } },
816 { "dec{S|}", { RMeSP } },
817 { "dec{S|}", { RMeBP } },
818 { "dec{S|}", { RMeSI } },
819 { "dec{S|}", { RMeDI } },
820 /* 50 */
821 { "pushV", { RMrAX } },
822 { "pushV", { RMrCX } },
823 { "pushV", { RMrDX } },
824 { "pushV", { RMrBX } },
825 { "pushV", { RMrSP } },
826 { "pushV", { RMrBP } },
827 { "pushV", { RMrSI } },
828 { "pushV", { RMrDI } },
829 /* 58 */
830 { "popV", { RMrAX } },
831 { "popV", { RMrCX } },
832 { "popV", { RMrDX } },
833 { "popV", { RMrBX } },
834 { "popV", { RMrSP } },
835 { "popV", { RMrBP } },
836 { "popV", { RMrSI } },
837 { "popV", { RMrDI } },
838 /* 60 */
839 { X86_64_0 },
840 { X86_64_1 },
841 { X86_64_2 },
842 { X86_64_3 },
843 { "(bad)", { XX } }, /* seg fs */
844 { "(bad)", { XX } }, /* seg gs */
845 { "(bad)", { XX } }, /* op size prefix */
846 { "(bad)", { XX } }, /* adr size prefix */
847 /* 68 */
848 { "pushT", { Iq } },
849 { "imulS", { Gv, Ev, Iv } },
850 { "pushT", { sIb } },
851 { "imulS", { Gv, Ev, sIb } },
852 { "ins{b||b|}", { Ybr, indirDX } },
853 { "ins{R||G|}", { Yzr, indirDX } },
854 { "outs{b||b|}", { indirDXr, Xb } },
855 { "outs{R||G|}", { indirDXr, Xz } },
856 /* 70 */
857 { "joH", { Jb, XX, cond_jump_flag } },
858 { "jnoH", { Jb, XX, cond_jump_flag } },
859 { "jbH", { Jb, XX, cond_jump_flag } },
860 { "jaeH", { Jb, XX, cond_jump_flag } },
861 { "jeH", { Jb, XX, cond_jump_flag } },
862 { "jneH", { Jb, XX, cond_jump_flag } },
863 { "jbeH", { Jb, XX, cond_jump_flag } },
864 { "jaH", { Jb, XX, cond_jump_flag } },
865 /* 78 */
866 { "jsH", { Jb, XX, cond_jump_flag } },
867 { "jnsH", { Jb, XX, cond_jump_flag } },
868 { "jpH", { Jb, XX, cond_jump_flag } },
869 { "jnpH", { Jb, XX, cond_jump_flag } },
870 { "jlH", { Jb, XX, cond_jump_flag } },
871 { "jgeH", { Jb, XX, cond_jump_flag } },
872 { "jleH", { Jb, XX, cond_jump_flag } },
873 { "jgH", { Jb, XX, cond_jump_flag } },
874 /* 80 */
875 { GRP1b },
876 { GRP1S },
877 { "(bad)", { XX } },
878 { GRP1Ss },
879 { "testB", { Eb, Gb } },
880 { "testS", { Ev, Gv } },
881 { "xchgB", { Eb, Gb } },
882 { "xchgS", { Ev, Gv } },
883 /* 88 */
884 { "movB", { Eb, Gb } },
885 { "movS", { Ev, Gv } },
886 { "movB", { Gb, Eb } },
887 { "movS", { Gv, Ev } },
888 { "movD", { Sv, Sw } },
889 { "leaS", { Gv, M } },
890 { "movD", { Sw, Sv } },
891 { GRP1a },
892 /* 90 */
893 { PREGRP38 },
894 { "xchgS", { RMeCX, eAX } },
895 { "xchgS", { RMeDX, eAX } },
896 { "xchgS", { RMeBX, eAX } },
897 { "xchgS", { RMeSP, eAX } },
898 { "xchgS", { RMeBP, eAX } },
899 { "xchgS", { RMeSI, eAX } },
900 { "xchgS", { RMeDI, eAX } },
901 /* 98 */
902 { "cW{t||t|}R", { XX } },
903 { "cR{t||t|}O", { XX } },
904 { "Jcall{T|}", { Ap } },
905 { "(bad)", { XX } }, /* fwait */
906 { "pushfT", { XX } },
907 { "popfT", { XX } },
908 { "sahf{|}", { XX } },
909 { "lahf{|}", { XX } },
910 /* a0 */
911 { "movB", { AL, Ob } },
912 { "movS", { eAX, Ov } },
913 { "movB", { Ob, AL } },
914 { "movS", { Ov, eAX } },
915 { "movs{b||b|}", { Ybr, Xb } },
916 { "movs{R||R|}", { Yvr, Xv } },
917 { "cmps{b||b|}", { Xb, Yb } },
918 { "cmps{R||R|}", { Xv, Yv } },
919 /* a8 */
920 { "testB", { AL, Ib } },
921 { "testS", { eAX, Iv } },
922 { "stosB", { Ybr, AL } },
923 { "stosS", { Yvr, eAX } },
924 { "lodsB", { ALr, Xb } },
925 { "lodsS", { eAXr, Xv } },
926 { "scasB", { AL, Yb } },
927 { "scasS", { eAX, Yv } },
928 /* b0 */
929 { "movB", { RMAL, Ib } },
930 { "movB", { RMCL, Ib } },
931 { "movB", { RMDL, Ib } },
932 { "movB", { RMBL, Ib } },
933 { "movB", { RMAH, Ib } },
934 { "movB", { RMCH, Ib } },
935 { "movB", { RMDH, Ib } },
936 { "movB", { RMBH, Ib } },
937 /* b8 */
938 { "movS", { RMeAX, Iv64 } },
939 { "movS", { RMeCX, Iv64 } },
940 { "movS", { RMeDX, Iv64 } },
941 { "movS", { RMeBX, Iv64 } },
942 { "movS", { RMeSP, Iv64 } },
943 { "movS", { RMeBP, Iv64 } },
944 { "movS", { RMeSI, Iv64 } },
945 { "movS", { RMeDI, Iv64 } },
946 /* c0 */
947 { GRP2b },
948 { GRP2S },
949 { "retT", { Iw } },
950 { "retT", { XX } },
951 { "les{S|}", { Gv, Mp } },
952 { "ldsS", { Gv, Mp } },
953 { GRP11_C6 },
954 { GRP11_C7 },
955 /* c8 */
956 { "enterT", { Iw, Ib } },
957 { "leaveT", { XX } },
958 { "lretP", { Iw } },
959 { "lretP", { XX } },
960 { "int3", { XX } },
961 { "int", { Ib } },
962 { "into{|}", { XX } },
963 { "iretP", { XX } },
964 /* d0 */
965 { GRP2b_one },
966 { GRP2S_one },
967 { GRP2b_cl },
968 { GRP2S_cl },
969 { "aam{|}", { sIb } },
970 { "aad{|}", { sIb } },
971 { "(bad)", { XX } },
972 { "xlat", { DSBX } },
973 /* d8 */
974 { FLOAT },
975 { FLOAT },
976 { FLOAT },
977 { FLOAT },
978 { FLOAT },
979 { FLOAT },
980 { FLOAT },
981 { FLOAT },
982 /* e0 */
983 { "loopneFH", { Jb, XX, loop_jcxz_flag } },
984 { "loopeFH", { Jb, XX, loop_jcxz_flag } },
985 { "loopFH", { Jb, XX, loop_jcxz_flag } },
986 { "jEcxzH", { Jb, XX, loop_jcxz_flag } },
987 { "inB", { AL, Ib } },
988 { "inG", { zAX, Ib } },
989 { "outB", { Ib, AL } },
990 { "outG", { Ib, zAX } },
991 /* e8 */
992 { "callT", { Jv } },
993 { "jmpT", { Jv } },
994 { "Jjmp{T|}", { Ap } },
995 { "jmp", { Jb } },
996 { "inB", { AL, indirDX } },
997 { "inG", { zAX, indirDX } },
998 { "outB", { indirDX, AL } },
999 { "outG", { indirDX, zAX } },
1000 /* f0 */
1001 { "(bad)", { XX } }, /* lock prefix */
1002 { "icebp", { XX } },
1003 { "(bad)", { XX } }, /* repne */
1004 { "(bad)", { XX } }, /* repz */
1005 { "hlt", { XX } },
1006 { "cmc", { XX } },
1007 { GRP3b },
1008 { GRP3S },
1009 /* f8 */
1010 { "clc", { XX } },
1011 { "stc", { XX } },
1012 { "cli", { XX } },
1013 { "sti", { XX } },
1014 { "cld", { XX } },
1015 { "std", { XX } },
1016 { GRP4 },
1017 { GRP5 },
1018 };
1019
1020 static const struct dis386 dis386_twobyte[] = {
1021 /* 00 */
1022 { GRP6 },
1023 { GRP7 },
1024 { "larS", { Gv, Ew } },
1025 { "lslS", { Gv, Ew } },
1026 { "(bad)", { XX } },
1027 { "syscall", { XX } },
1028 { "clts", { XX } },
1029 { "sysretP", { XX } },
1030 /* 08 */
1031 { "invd", { XX } },
1032 { "wbinvd", { XX } },
1033 { "(bad)", { XX } },
1034 { "ud2a", { XX } },
1035 { "(bad)", { XX } },
1036 { GRPAMD },
1037 { "femms", { XX } },
1038 { "", { MX, EM, OPSUF } }, /* See OP_3DNowSuffix. */
1039 /* 10 */
1040 { PREGRP8 },
1041 { PREGRP9 },
1042 { PREGRP30 },
1043 { "movlpX", { EXq, XM, { SIMD_Fixup, 'h' } } },
1044 { "unpcklpX", { XM, EXq } },
1045 { "unpckhpX", { XM, EXq } },
1046 { PREGRP31 },
1047 { "movhpX", { EXq, XM, { SIMD_Fixup, 'l' } } },
1048 /* 18 */
1049 { GRP16 },
1050 { "(bad)", { XX } },
1051 { "(bad)", { XX } },
1052 { "(bad)", { XX } },
1053 { "(bad)", { XX } },
1054 { "(bad)", { XX } },
1055 { "(bad)", { XX } },
1056 { "nopQ", { Ev } },
1057 /* 20 */
1058 { "movZ", { Rm, Cm } },
1059 { "movZ", { Rm, Dm } },
1060 { "movZ", { Cm, Rm } },
1061 { "movZ", { Dm, Rm } },
1062 { "movL", { Rd, Td } },
1063 { "(bad)", { XX } },
1064 { "movL", { Td, Rd } },
1065 { "(bad)", { XX } },
1066 /* 28 */
1067 { "movapX", { XM, EXx } },
1068 { "movapX", { EXx, XM } },
1069 { PREGRP2 },
1070 { PREGRP33 },
1071 { PREGRP4 },
1072 { PREGRP3 },
1073 { PREGRP93 },
1074 { PREGRP94 },
1075 /* 30 */
1076 { "wrmsr", { XX } },
1077 { "rdtsc", { XX } },
1078 { "rdmsr", { XX } },
1079 { "rdpmc", { XX } },
1080 { "sysenter", { XX } },
1081 { "sysexit", { XX } },
1082 { "(bad)", { XX } },
1083 { "(bad)", { XX } },
1084 /* 38 */
1085 { THREE_BYTE_0 },
1086 { "(bad)", { XX } },
1087 { THREE_BYTE_1 },
1088 { "(bad)", { XX } },
1089 { "(bad)", { XX } },
1090 { "(bad)", { XX } },
1091 { "(bad)", { XX } },
1092 { "(bad)", { XX } },
1093 /* 40 */
1094 { "cmovo", { Gv, Ev } },
1095 { "cmovno", { Gv, Ev } },
1096 { "cmovb", { Gv, Ev } },
1097 { "cmovae", { Gv, Ev } },
1098 { "cmove", { Gv, Ev } },
1099 { "cmovne", { Gv, Ev } },
1100 { "cmovbe", { Gv, Ev } },
1101 { "cmova", { Gv, Ev } },
1102 /* 48 */
1103 { "cmovs", { Gv, Ev } },
1104 { "cmovns", { Gv, Ev } },
1105 { "cmovp", { Gv, Ev } },
1106 { "cmovnp", { Gv, Ev } },
1107 { "cmovl", { Gv, Ev } },
1108 { "cmovge", { Gv, Ev } },
1109 { "cmovle", { Gv, Ev } },
1110 { "cmovg", { Gv, Ev } },
1111 /* 50 */
1112 { "movmskpX", { Gdq, XS } },
1113 { PREGRP13 },
1114 { PREGRP12 },
1115 { PREGRP11 },
1116 { "andpX", { XM, EXx } },
1117 { "andnpX", { XM, EXx } },
1118 { "orpX", { XM, EXx } },
1119 { "xorpX", { XM, EXx } },
1120 /* 58 */
1121 { PREGRP0 },
1122 { PREGRP10 },
1123 { PREGRP17 },
1124 { PREGRP16 },
1125 { PREGRP14 },
1126 { PREGRP7 },
1127 { PREGRP5 },
1128 { PREGRP6 },
1129 /* 60 */
1130 { PREGRP95 },
1131 { PREGRP96 },
1132 { PREGRP97 },
1133 { "packsswb", { MX, EM } },
1134 { "pcmpgtb", { MX, EM } },
1135 { "pcmpgtw", { MX, EM } },
1136 { "pcmpgtd", { MX, EM } },
1137 { "packuswb", { MX, EM } },
1138 /* 68 */
1139 { "punpckhbw", { MX, EM } },
1140 { "punpckhwd", { MX, EM } },
1141 { "punpckhdq", { MX, EM } },
1142 { "packssdw", { MX, EM } },
1143 { PREGRP26 },
1144 { PREGRP24 },
1145 { "movd", { MX, Edq } },
1146 { PREGRP19 },
1147 /* 70 */
1148 { PREGRP22 },
1149 { GRP12 },
1150 { GRP13 },
1151 { GRP14 },
1152 { "pcmpeqb", { MX, EM } },
1153 { "pcmpeqw", { MX, EM } },
1154 { "pcmpeqd", { MX, EM } },
1155 { "emms", { XX } },
1156 /* 78 */
1157 { PREGRP34 },
1158 { PREGRP35 },
1159 { "(bad)", { XX } },
1160 { "(bad)", { XX } },
1161 { PREGRP28 },
1162 { PREGRP29 },
1163 { PREGRP23 },
1164 { PREGRP20 },
1165 /* 80 */
1166 { "joH", { Jv, XX, cond_jump_flag } },
1167 { "jnoH", { Jv, XX, cond_jump_flag } },
1168 { "jbH", { Jv, XX, cond_jump_flag } },
1169 { "jaeH", { Jv, XX, cond_jump_flag } },
1170 { "jeH", { Jv, XX, cond_jump_flag } },
1171 { "jneH", { Jv, XX, cond_jump_flag } },
1172 { "jbeH", { Jv, XX, cond_jump_flag } },
1173 { "jaH", { Jv, XX, cond_jump_flag } },
1174 /* 88 */
1175 { "jsH", { Jv, XX, cond_jump_flag } },
1176 { "jnsH", { Jv, XX, cond_jump_flag } },
1177 { "jpH", { Jv, XX, cond_jump_flag } },
1178 { "jnpH", { Jv, XX, cond_jump_flag } },
1179 { "jlH", { Jv, XX, cond_jump_flag } },
1180 { "jgeH", { Jv, XX, cond_jump_flag } },
1181 { "jleH", { Jv, XX, cond_jump_flag } },
1182 { "jgH", { Jv, XX, cond_jump_flag } },
1183 /* 90 */
1184 { "seto", { Eb } },
1185 { "setno", { Eb } },
1186 { "setb", { Eb } },
1187 { "setae", { Eb } },
1188 { "sete", { Eb } },
1189 { "setne", { Eb } },
1190 { "setbe", { Eb } },
1191 { "seta", { Eb } },
1192 /* 98 */
1193 { "sets", { Eb } },
1194 { "setns", { Eb } },
1195 { "setp", { Eb } },
1196 { "setnp", { Eb } },
1197 { "setl", { Eb } },
1198 { "setge", { Eb } },
1199 { "setle", { Eb } },
1200 { "setg", { Eb } },
1201 /* a0 */
1202 { "pushT", { fs } },
1203 { "popT", { fs } },
1204 { "cpuid", { XX } },
1205 { "btS", { Ev, Gv } },
1206 { "shldS", { Ev, Gv, Ib } },
1207 { "shldS", { Ev, Gv, CL } },
1208 { GRPPADLCK2 },
1209 { GRPPADLCK1 },
1210 /* a8 */
1211 { "pushT", { gs } },
1212 { "popT", { gs } },
1213 { "rsm", { XX } },
1214 { "btsS", { Ev, Gv } },
1215 { "shrdS", { Ev, Gv, Ib } },
1216 { "shrdS", { Ev, Gv, CL } },
1217 { GRP15 },
1218 { "imulS", { Gv, Ev } },
1219 /* b0 */
1220 { "cmpxchgB", { Eb, Gb } },
1221 { "cmpxchgS", { Ev, Gv } },
1222 { "lssS", { Gv, Mp } },
1223 { "btrS", { Ev, Gv } },
1224 { "lfsS", { Gv, Mp } },
1225 { "lgsS", { Gv, Mp } },
1226 { "movz{bR|x|bR|x}", { Gv, Eb } },
1227 { "movz{wR|x|wR|x}", { Gv, Ew } }, /* yes, there really is movzww ! */
1228 /* b8 */
1229 { PREGRP37 },
1230 { "ud2b", { XX } },
1231 { GRP8 },
1232 { "btcS", { Ev, Gv } },
1233 { "bsfS", { Gv, Ev } },
1234 { PREGRP36 },
1235 { "movs{bR|x|bR|x}", { Gv, Eb } },
1236 { "movs{wR|x|wR|x}", { Gv, Ew } }, /* yes, there really is movsww ! */
1237 /* c0 */
1238 { "xaddB", { Eb, Gb } },
1239 { "xaddS", { Ev, Gv } },
1240 { PREGRP1 },
1241 { "movntiS", { Ev, Gv } },
1242 { "pinsrw", { MX, Edqw, Ib } },
1243 { "pextrw", { Gdq, MS, Ib } },
1244 { "shufpX", { XM, EXx, Ib } },
1245 { GRP9 },
1246 /* c8 */
1247 { "bswap", { RMeAX } },
1248 { "bswap", { RMeCX } },
1249 { "bswap", { RMeDX } },
1250 { "bswap", { RMeBX } },
1251 { "bswap", { RMeSP } },
1252 { "bswap", { RMeBP } },
1253 { "bswap", { RMeSI } },
1254 { "bswap", { RMeDI } },
1255 /* d0 */
1256 { PREGRP27 },
1257 { "psrlw", { MX, EM } },
1258 { "psrld", { MX, EM } },
1259 { "psrlq", { MX, EM } },
1260 { "paddq", { MX, EM } },
1261 { "pmullw", { MX, EM } },
1262 { PREGRP21 },
1263 { "pmovmskb", { Gdq, MS } },
1264 /* d8 */
1265 { "psubusb", { MX, EM } },
1266 { "psubusw", { MX, EM } },
1267 { "pminub", { MX, EM } },
1268 { "pand", { MX, EM } },
1269 { "paddusb", { MX, EM } },
1270 { "paddusw", { MX, EM } },
1271 { "pmaxub", { MX, EM } },
1272 { "pandn", { MX, EM } },
1273 /* e0 */
1274 { "pavgb", { MX, EM } },
1275 { "psraw", { MX, EM } },
1276 { "psrad", { MX, EM } },
1277 { "pavgw", { MX, EM } },
1278 { "pmulhuw", { MX, EM } },
1279 { "pmulhw", { MX, EM } },
1280 { PREGRP15 },
1281 { PREGRP25 },
1282 /* e8 */
1283 { "psubsb", { MX, EM } },
1284 { "psubsw", { MX, EM } },
1285 { "pminsw", { MX, EM } },
1286 { "por", { MX, EM } },
1287 { "paddsb", { MX, EM } },
1288 { "paddsw", { MX, EM } },
1289 { "pmaxsw", { MX, EM } },
1290 { "pxor", { MX, EM } },
1291 /* f0 */
1292 { PREGRP32 },
1293 { "psllw", { MX, EM } },
1294 { "pslld", { MX, EM } },
1295 { "psllq", { MX, EM } },
1296 { "pmuludq", { MX, EM } },
1297 { "pmaddwd", { MX, EM } },
1298 { "psadbw", { MX, EM } },
1299 { PREGRP18 },
1300 /* f8 */
1301 { "psubb", { MX, EM } },
1302 { "psubw", { MX, EM } },
1303 { "psubd", { MX, EM } },
1304 { "psubq", { MX, EM } },
1305 { "paddb", { MX, EM } },
1306 { "paddw", { MX, EM } },
1307 { "paddd", { MX, EM } },
1308 { "(bad)", { XX } },
1309 };
1310
1311 static const unsigned char onebyte_has_modrm[256] = {
1312 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
1313 /* ------------------------------- */
1314 /* 00 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 00 */
1315 /* 10 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 10 */
1316 /* 20 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 20 */
1317 /* 30 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 30 */
1318 /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 40 */
1319 /* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 50 */
1320 /* 60 */ 0,0,1,1,0,0,0,0,0,1,0,1,0,0,0,0, /* 60 */
1321 /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 70 */
1322 /* 80 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 80 */
1323 /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 90 */
1324 /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* a0 */
1325 /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* b0 */
1326 /* c0 */ 1,1,0,0,1,1,1,1,0,0,0,0,0,0,0,0, /* c0 */
1327 /* d0 */ 1,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1, /* d0 */
1328 /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* e0 */
1329 /* f0 */ 0,0,0,0,0,0,1,1,0,0,0,0,0,0,1,1 /* f0 */
1330 /* ------------------------------- */
1331 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
1332 };
1333
1334 static const unsigned char twobyte_has_modrm[256] = {
1335 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
1336 /* ------------------------------- */
1337 /* 00 */ 1,1,1,1,0,0,0,0,0,0,0,0,0,1,0,1, /* 0f */
1338 /* 10 */ 1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,1, /* 1f */
1339 /* 20 */ 1,1,1,1,1,0,1,0,1,1,1,1,1,1,1,1, /* 2f */
1340 /* 30 */ 0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0, /* 3f */
1341 /* 40 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 4f */
1342 /* 50 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 5f */
1343 /* 60 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 6f */
1344 /* 70 */ 1,1,1,1,1,1,1,0,1,1,0,0,1,1,1,1, /* 7f */
1345 /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */
1346 /* 90 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 9f */
1347 /* a0 */ 0,0,0,1,1,1,1,1,0,0,0,1,1,1,1,1, /* af */
1348 /* b0 */ 1,1,1,1,1,1,1,1,1,0,1,1,1,1,1,1, /* bf */
1349 /* c0 */ 1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0, /* cf */
1350 /* d0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* df */
1351 /* e0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* ef */
1352 /* f0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0 /* ff */
1353 /* ------------------------------- */
1354 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
1355 };
1356
1357 static const unsigned char twobyte_uses_DATA_prefix[256] = {
1358 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
1359 /* ------------------------------- */
1360 /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */
1361 /* 10 */ 1,1,1,0,0,0,1,0,0,0,0,0,0,0,0,0, /* 1f */
1362 /* 20 */ 0,0,0,0,0,0,0,0,0,0,1,1,1,1,0,0, /* 2f */
1363 /* 30 */ 0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0, /* 3f */
1364 /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */
1365 /* 50 */ 0,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1, /* 5f */
1366 /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1, /* 6f */
1367 /* 70 */ 1,0,0,0,0,0,0,0,1,1,0,0,1,1,1,1, /* 7f */
1368 /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */
1369 /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */
1370 /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */
1371 /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */
1372 /* c0 */ 0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */
1373 /* d0 */ 1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* df */
1374 /* e0 */ 0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* ef */
1375 /* f0 */ 1,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0 /* ff */
1376 /* ------------------------------- */
1377 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
1378 };
1379
1380 static const unsigned char twobyte_uses_REPNZ_prefix[256] = {
1381 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
1382 /* ------------------------------- */
1383 /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */
1384 /* 10 */ 1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 1f */
1385 /* 20 */ 0,0,0,0,0,0,0,0,0,0,1,1,1,1,0,0, /* 2f */
1386 /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */
1387 /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */
1388 /* 50 */ 0,1,0,0,0,0,0,0,1,1,1,0,1,1,1,1, /* 5f */
1389 /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 6f */
1390 /* 70 */ 1,0,0,0,0,0,0,0,1,1,0,0,1,1,0,0, /* 7f */
1391 /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */
1392 /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */
1393 /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */
1394 /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */
1395 /* c0 */ 0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */
1396 /* d0 */ 1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* df */
1397 /* e0 */ 0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* ef */
1398 /* f0 */ 1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ff */
1399 /* ------------------------------- */
1400 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
1401 };
1402
1403 static const unsigned char twobyte_uses_REPZ_prefix[256] = {
1404 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
1405 /* ------------------------------- */
1406 /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */
1407 /* 10 */ 1,1,1,0,0,0,1,0,0,0,0,0,0,0,0,0, /* 1f */
1408 /* 20 */ 0,0,0,0,0,0,0,0,0,0,1,1,1,1,0,0, /* 2f */
1409 /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */
1410 /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */
1411 /* 50 */ 0,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1, /* 5f */
1412 /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1, /* 6f */
1413 /* 70 */ 1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1, /* 7f */
1414 /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */
1415 /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */
1416 /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */
1417 /* b0 */ 0,0,0,0,0,0,0,0,1,0,0,0,0,1,0,0, /* bf */
1418 /* c0 */ 0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */
1419 /* d0 */ 0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* df */
1420 /* e0 */ 0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* ef */
1421 /* f0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ff */
1422 /* ------------------------------- */
1423 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
1424 };
1425
1426 /* This is used to determine if opcode 0f 38 XX uses DATA prefix. */
1427 static const unsigned char threebyte_0x38_uses_DATA_prefix[256] = {
1428 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
1429 /* ------------------------------- */
1430 /* 00 */ 1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0, /* 0f */
1431 /* 10 */ 1,0,0,0,1,1,0,1,0,0,0,0,1,1,1,0, /* 1f */
1432 /* 20 */ 1,1,1,1,1,1,0,0,1,1,1,1,0,0,0,0, /* 2f */
1433 /* 30 */ 1,1,1,1,1,1,0,1,1,1,1,1,1,1,1,1, /* 3f */
1434 /* 40 */ 1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */
1435 /* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 5f */
1436 /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 6f */
1437 /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 7f */
1438 /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */
1439 /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */
1440 /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */
1441 /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */
1442 /* c0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */
1443 /* d0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* df */
1444 /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ef */
1445 /* f0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ff */
1446 /* ------------------------------- */
1447 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
1448 };
1449
1450 /* This is used to determine if opcode 0f 38 XX uses REPNZ prefix. */
1451 static const unsigned char threebyte_0x38_uses_REPNZ_prefix[256] = {
1452 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
1453 /* ------------------------------- */
1454 /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */
1455 /* 10 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 1f */
1456 /* 20 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 2f */
1457 /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */
1458 /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */
1459 /* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 5f */
1460 /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 6f */
1461 /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 7f */
1462 /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */
1463 /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */
1464 /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */
1465 /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */
1466 /* c0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */
1467 /* d0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* df */
1468 /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ef */
1469 /* f0 */ 1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ff */
1470 /* ------------------------------- */
1471 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
1472 };
1473
1474 /* This is used to determine if opcode 0f 38 XX uses REPZ prefix. */
1475 static const unsigned char threebyte_0x38_uses_REPZ_prefix[256] = {
1476 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
1477 /* ------------------------------- */
1478 /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */
1479 /* 10 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 1f */
1480 /* 20 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 2f */
1481 /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */
1482 /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */
1483 /* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 5f */
1484 /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 6f */
1485 /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 7f */
1486 /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */
1487 /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */
1488 /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */
1489 /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */
1490 /* c0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */
1491 /* d0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* df */
1492 /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ef */
1493 /* f0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ff */
1494 /* ------------------------------- */
1495 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
1496 };
1497
1498 /* This is used to determine if opcode 0f 3a XX uses DATA prefix. */
1499 static const unsigned char threebyte_0x3a_uses_DATA_prefix[256] = {
1500 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
1501 /* ------------------------------- */
1502 /* 00 */ 0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1, /* 0f */
1503 /* 10 */ 0,0,0,0,1,1,1,1,0,0,0,0,0,0,0,0, /* 1f */
1504 /* 20 */ 1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 2f */
1505 /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */
1506 /* 40 */ 1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */
1507 /* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 5f */
1508 /* 60 */ 1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0, /* 6f */
1509 /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 7f */
1510 /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */
1511 /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */
1512 /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */
1513 /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */
1514 /* c0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */
1515 /* d0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* df */
1516 /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ef */
1517 /* f0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ff */
1518 /* ------------------------------- */
1519 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
1520 };
1521
1522 /* This is used to determine if opcode 0f 3a XX uses REPNZ prefix. */
1523 static const unsigned char threebyte_0x3a_uses_REPNZ_prefix[256] = {
1524 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
1525 /* ------------------------------- */
1526 /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */
1527 /* 10 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 1f */
1528 /* 20 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 2f */
1529 /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */
1530 /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */
1531 /* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 5f */
1532 /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 6f */
1533 /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 7f */
1534 /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */
1535 /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */
1536 /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */
1537 /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */
1538 /* c0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */
1539 /* d0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* df */
1540 /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ef */
1541 /* f0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ff */
1542 /* ------------------------------- */
1543 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
1544 };
1545
1546 /* This is used to determine if opcode 0f 3a XX uses REPZ prefix. */
1547 static const unsigned char threebyte_0x3a_uses_REPZ_prefix[256] = {
1548 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
1549 /* ------------------------------- */
1550 /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */
1551 /* 10 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 1f */
1552 /* 20 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 2f */
1553 /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */
1554 /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */
1555 /* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 5f */
1556 /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 6f */
1557 /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 7f */
1558 /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */
1559 /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */
1560 /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */
1561 /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */
1562 /* c0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */
1563 /* d0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* df */
1564 /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ef */
1565 /* f0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ff */
1566 /* ------------------------------- */
1567 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
1568 };
1569
1570 static char obuf[100];
1571 static char *obufp;
1572 static char scratchbuf[100];
1573 static unsigned char *start_codep;
1574 static unsigned char *insn_codep;
1575 static unsigned char *codep;
1576 static disassemble_info *the_info;
1577 static struct
1578 {
1579 int mod;
1580 int reg;
1581 int rm;
1582 }
1583 modrm;
1584 static unsigned char need_modrm;
1585
1586 /* If we are accessing mod/rm/reg without need_modrm set, then the
1587 values are stale. Hitting this abort likely indicates that you
1588 need to update onebyte_has_modrm or twobyte_has_modrm. */
1589 #define MODRM_CHECK if (!need_modrm) abort ()
1590
1591 static const char * const *names64;
1592 static const char * const *names32;
1593 static const char * const *names16;
1594 static const char * const *names8;
1595 static const char * const *names8rex;
1596 static const char * const *names_seg;
1597 static const char * const *index16;
1598
1599 static const char * const intel_names64[] = {
1600 "rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi",
1601 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"
1602 };
1603 static const char * const intel_names32[] = {
1604 "eax", "ecx", "edx", "ebx", "esp", "ebp", "esi", "edi",
1605 "r8d", "r9d", "r10d", "r11d", "r12d", "r13d", "r14d", "r15d"
1606 };
1607 static const char * const intel_names16[] = {
1608 "ax", "cx", "dx", "bx", "sp", "bp", "si", "di",
1609 "r8w", "r9w", "r10w", "r11w", "r12w", "r13w", "r14w", "r15w"
1610 };
1611 static const char * const intel_names8[] = {
1612 "al", "cl", "dl", "bl", "ah", "ch", "dh", "bh",
1613 };
1614 static const char * const intel_names8rex[] = {
1615 "al", "cl", "dl", "bl", "spl", "bpl", "sil", "dil",
1616 "r8b", "r9b", "r10b", "r11b", "r12b", "r13b", "r14b", "r15b"
1617 };
1618 static const char * const intel_names_seg[] = {
1619 "es", "cs", "ss", "ds", "fs", "gs", "?", "?",
1620 };
1621 static const char * const intel_index16[] = {
1622 "bx+si", "bx+di", "bp+si", "bp+di", "si", "di", "bp", "bx"
1623 };
1624
1625 static const char * const att_names64[] = {
1626 "%rax", "%rcx", "%rdx", "%rbx", "%rsp", "%rbp", "%rsi", "%rdi",
1627 "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15"
1628 };
1629 static const char * const att_names32[] = {
1630 "%eax", "%ecx", "%edx", "%ebx", "%esp", "%ebp", "%esi", "%edi",
1631 "%r8d", "%r9d", "%r10d", "%r11d", "%r12d", "%r13d", "%r14d", "%r15d"
1632 };
1633 static const char * const att_names16[] = {
1634 "%ax", "%cx", "%dx", "%bx", "%sp", "%bp", "%si", "%di",
1635 "%r8w", "%r9w", "%r10w", "%r11w", "%r12w", "%r13w", "%r14w", "%r15w"
1636 };
1637 static const char * const att_names8[] = {
1638 "%al", "%cl", "%dl", "%bl", "%ah", "%ch", "%dh", "%bh",
1639 };
1640 static const char * const att_names8rex[] = {
1641 "%al", "%cl", "%dl", "%bl", "%spl", "%bpl", "%sil", "%dil",
1642 "%r8b", "%r9b", "%r10b", "%r11b", "%r12b", "%r13b", "%r14b", "%r15b"
1643 };
1644 static const char * const att_names_seg[] = {
1645 "%es", "%cs", "%ss", "%ds", "%fs", "%gs", "%?", "%?",
1646 };
1647 static const char * const att_index16[] = {
1648 "%bx,%si", "%bx,%di", "%bp,%si", "%bp,%di", "%si", "%di", "%bp", "%bx"
1649 };
1650
1651 static const struct dis386 grps[][8] = {
1652 /* GRP1a */
1653 {
1654 { "popU", { stackEv } },
1655 { "(bad)", { XX } },
1656 { "(bad)", { XX } },
1657 { "(bad)", { XX } },
1658 { "(bad)", { XX } },
1659 { "(bad)", { XX } },
1660 { "(bad)", { XX } },
1661 { "(bad)", { XX } },
1662 },
1663 /* GRP1b */
1664 {
1665 { "addA", { Eb, Ib } },
1666 { "orA", { Eb, Ib } },
1667 { "adcA", { Eb, Ib } },
1668 { "sbbA", { Eb, Ib } },
1669 { "andA", { Eb, Ib } },
1670 { "subA", { Eb, Ib } },
1671 { "xorA", { Eb, Ib } },
1672 { "cmpA", { Eb, Ib } },
1673 },
1674 /* GRP1S */
1675 {
1676 { "addQ", { Ev, Iv } },
1677 { "orQ", { Ev, Iv } },
1678 { "adcQ", { Ev, Iv } },
1679 { "sbbQ", { Ev, Iv } },
1680 { "andQ", { Ev, Iv } },
1681 { "subQ", { Ev, Iv } },
1682 { "xorQ", { Ev, Iv } },
1683 { "cmpQ", { Ev, Iv } },
1684 },
1685 /* GRP1Ss */
1686 {
1687 { "addQ", { Ev, sIb } },
1688 { "orQ", { Ev, sIb } },
1689 { "adcQ", { Ev, sIb } },
1690 { "sbbQ", { Ev, sIb } },
1691 { "andQ", { Ev, sIb } },
1692 { "subQ", { Ev, sIb } },
1693 { "xorQ", { Ev, sIb } },
1694 { "cmpQ", { Ev, sIb } },
1695 },
1696 /* GRP2b */
1697 {
1698 { "rolA", { Eb, Ib } },
1699 { "rorA", { Eb, Ib } },
1700 { "rclA", { Eb, Ib } },
1701 { "rcrA", { Eb, Ib } },
1702 { "shlA", { Eb, Ib } },
1703 { "shrA", { Eb, Ib } },
1704 { "(bad)", { XX } },
1705 { "sarA", { Eb, Ib } },
1706 },
1707 /* GRP2S */
1708 {
1709 { "rolQ", { Ev, Ib } },
1710 { "rorQ", { Ev, Ib } },
1711 { "rclQ", { Ev, Ib } },
1712 { "rcrQ", { Ev, Ib } },
1713 { "shlQ", { Ev, Ib } },
1714 { "shrQ", { Ev, Ib } },
1715 { "(bad)", { XX } },
1716 { "sarQ", { Ev, Ib } },
1717 },
1718 /* GRP2b_one */
1719 {
1720 { "rolA", { Eb, I1 } },
1721 { "rorA", { Eb, I1 } },
1722 { "rclA", { Eb, I1 } },
1723 { "rcrA", { Eb, I1 } },
1724 { "shlA", { Eb, I1 } },
1725 { "shrA", { Eb, I1 } },
1726 { "(bad)", { XX } },
1727 { "sarA", { Eb, I1 } },
1728 },
1729 /* GRP2S_one */
1730 {
1731 { "rolQ", { Ev, I1 } },
1732 { "rorQ", { Ev, I1 } },
1733 { "rclQ", { Ev, I1 } },
1734 { "rcrQ", { Ev, I1 } },
1735 { "shlQ", { Ev, I1 } },
1736 { "shrQ", { Ev, I1 } },
1737 { "(bad)", { XX } },
1738 { "sarQ", { Ev, I1 } },
1739 },
1740 /* GRP2b_cl */
1741 {
1742 { "rolA", { Eb, CL } },
1743 { "rorA", { Eb, CL } },
1744 { "rclA", { Eb, CL } },
1745 { "rcrA", { Eb, CL } },
1746 { "shlA", { Eb, CL } },
1747 { "shrA", { Eb, CL } },
1748 { "(bad)", { XX } },
1749 { "sarA", { Eb, CL } },
1750 },
1751 /* GRP2S_cl */
1752 {
1753 { "rolQ", { Ev, CL } },
1754 { "rorQ", { Ev, CL } },
1755 { "rclQ", { Ev, CL } },
1756 { "rcrQ", { Ev, CL } },
1757 { "shlQ", { Ev, CL } },
1758 { "shrQ", { Ev, CL } },
1759 { "(bad)", { XX } },
1760 { "sarQ", { Ev, CL } },
1761 },
1762 /* GRP3b */
1763 {
1764 { "testA", { Eb, Ib } },
1765 { "(bad)", { Eb } },
1766 { "notA", { Eb } },
1767 { "negA", { Eb } },
1768 { "mulA", { Eb } }, /* Don't print the implicit %al register, */
1769 { "imulA", { Eb } }, /* to distinguish these opcodes from other */
1770 { "divA", { Eb } }, /* mul/imul opcodes. Do the same for div */
1771 { "idivA", { Eb } }, /* and idiv for consistency. */
1772 },
1773 /* GRP3S */
1774 {
1775 { "testQ", { Ev, Iv } },
1776 { "(bad)", { XX } },
1777 { "notQ", { Ev } },
1778 { "negQ", { Ev } },
1779 { "mulQ", { Ev } }, /* Don't print the implicit register. */
1780 { "imulQ", { Ev } },
1781 { "divQ", { Ev } },
1782 { "idivQ", { Ev } },
1783 },
1784 /* GRP4 */
1785 {
1786 { "incA", { Eb } },
1787 { "decA", { Eb } },
1788 { "(bad)", { XX } },
1789 { "(bad)", { XX } },
1790 { "(bad)", { XX } },
1791 { "(bad)", { XX } },
1792 { "(bad)", { XX } },
1793 { "(bad)", { XX } },
1794 },
1795 /* GRP5 */
1796 {
1797 { "incQ", { Ev } },
1798 { "decQ", { Ev } },
1799 { "callT", { indirEv } },
1800 { "JcallT", { indirEp } },
1801 { "jmpT", { indirEv } },
1802 { "JjmpT", { indirEp } },
1803 { "pushU", { stackEv } },
1804 { "(bad)", { XX } },
1805 },
1806 /* GRP6 */
1807 {
1808 { "sldtD", { Sv } },
1809 { "strD", { Sv } },
1810 { "lldt", { Ew } },
1811 { "ltr", { Ew } },
1812 { "verr", { Ew } },
1813 { "verw", { Ew } },
1814 { "(bad)", { XX } },
1815 { "(bad)", { XX } },
1816 },
1817 /* GRP7 */
1818 {
1819 { "sgdt{Q|IQ||}", { { VMX_Fixup, 0 } } },
1820 { "sidt{Q|IQ||}", { { PNI_Fixup, 0 } } },
1821 { "lgdt{Q|Q||}", { M } },
1822 { "lidt{Q|Q||}", { { SVME_Fixup, 0 } } },
1823 { "smswD", { Sv } },
1824 { "(bad)", { XX } },
1825 { "lmsw", { Ew } },
1826 { "invlpg", { { INVLPG_Fixup, w_mode } } },
1827 },
1828 /* GRP8 */
1829 {
1830 { "(bad)", { XX } },
1831 { "(bad)", { XX } },
1832 { "(bad)", { XX } },
1833 { "(bad)", { XX } },
1834 { "btQ", { Ev, Ib } },
1835 { "btsQ", { Ev, Ib } },
1836 { "btrQ", { Ev, Ib } },
1837 { "btcQ", { Ev, Ib } },
1838 },
1839 /* GRP9 */
1840 {
1841 { "(bad)", { XX } },
1842 { "cmpxchg8b", { { CMPXCHG8B_Fixup, q_mode } } },
1843 { "(bad)", { XX } },
1844 { "(bad)", { XX } },
1845 { "(bad)", { XX } },
1846 { "(bad)", { XX } },
1847 { "", { VM } }, /* See OP_VMX. */
1848 { "vmptrst", { Mq } },
1849 },
1850 /* GRP11_C6 */
1851 {
1852 { "movA", { Eb, Ib } },
1853 { "(bad)", { XX } },
1854 { "(bad)", { XX } },
1855 { "(bad)", { XX } },
1856 { "(bad)", { XX } },
1857 { "(bad)", { XX } },
1858 { "(bad)", { XX } },
1859 { "(bad)", { XX } },
1860 },
1861 /* GRP11_C7 */
1862 {
1863 { "movQ", { Ev, Iv } },
1864 { "(bad)", { XX } },
1865 { "(bad)", { XX } },
1866 { "(bad)", { XX } },
1867 { "(bad)", { XX } },
1868 { "(bad)", { XX } },
1869 { "(bad)", { XX } },
1870 { "(bad)", { XX } },
1871 },
1872 /* GRP12 */
1873 {
1874 { "(bad)", { XX } },
1875 { "(bad)", { XX } },
1876 { "psrlw", { MS, Ib } },
1877 { "(bad)", { XX } },
1878 { "psraw", { MS, Ib } },
1879 { "(bad)", { XX } },
1880 { "psllw", { MS, Ib } },
1881 { "(bad)", { XX } },
1882 },
1883 /* GRP13 */
1884 {
1885 { "(bad)", { XX } },
1886 { "(bad)", { XX } },
1887 { "psrld", { MS, Ib } },
1888 { "(bad)", { XX } },
1889 { "psrad", { MS, Ib } },
1890 { "(bad)", { XX } },
1891 { "pslld", { MS, Ib } },
1892 { "(bad)", { XX } },
1893 },
1894 /* GRP14 */
1895 {
1896 { "(bad)", { XX } },
1897 { "(bad)", { XX } },
1898 { "psrlq", { MS, Ib } },
1899 { "psrldq", { MS, Ib } },
1900 { "(bad)", { XX } },
1901 { "(bad)", { XX } },
1902 { "psllq", { MS, Ib } },
1903 { "pslldq", { MS, Ib } },
1904 },
1905 /* GRP15 */
1906 {
1907 { "fxsave", { Ev } },
1908 { "fxrstor", { Ev } },
1909 { "ldmxcsr", { Ev } },
1910 { "stmxcsr", { Ev } },
1911 { "(bad)", { XX } },
1912 { "lfence", { { OP_0fae, 0 } } },
1913 { "mfence", { { OP_0fae, 0 } } },
1914 { "clflush", { { OP_0fae, 0 } } },
1915 },
1916 /* GRP16 */
1917 {
1918 { "prefetchnta", { Ev } },
1919 { "prefetcht0", { Ev } },
1920 { "prefetcht1", { Ev } },
1921 { "prefetcht2", { Ev } },
1922 { "(bad)", { XX } },
1923 { "(bad)", { XX } },
1924 { "(bad)", { XX } },
1925 { "(bad)", { XX } },
1926 },
1927 /* GRPAMD */
1928 {
1929 { "prefetch", { Eb } },
1930 { "prefetchw", { Eb } },
1931 { "(bad)", { XX } },
1932 { "(bad)", { XX } },
1933 { "(bad)", { XX } },
1934 { "(bad)", { XX } },
1935 { "(bad)", { XX } },
1936 { "(bad)", { XX } },
1937 },
1938 /* GRPPADLCK1 */
1939 {
1940 { "xstore-rng", { { OP_0f07, 0 } } },
1941 { "xcrypt-ecb", { { OP_0f07, 0 } } },
1942 { "xcrypt-cbc", { { OP_0f07, 0 } } },
1943 { "xcrypt-ctr", { { OP_0f07, 0 } } },
1944 { "xcrypt-cfb", { { OP_0f07, 0 } } },
1945 { "xcrypt-ofb", { { OP_0f07, 0 } } },
1946 { "(bad)", { { OP_0f07, 0 } } },
1947 { "(bad)", { { OP_0f07, 0 } } },
1948 },
1949 /* GRPPADLCK2 */
1950 {
1951 { "montmul", { { OP_0f07, 0 } } },
1952 { "xsha1", { { OP_0f07, 0 } } },
1953 { "xsha256", { { OP_0f07, 0 } } },
1954 { "(bad)", { { OP_0f07, 0 } } },
1955 { "(bad)", { { OP_0f07, 0 } } },
1956 { "(bad)", { { OP_0f07, 0 } } },
1957 { "(bad)", { { OP_0f07, 0 } } },
1958 { "(bad)", { { OP_0f07, 0 } } },
1959 }
1960 };
1961
1962 static const struct dis386 prefix_user_table[][4] = {
1963 /* PREGRP0 */
1964 {
1965 { "addps", { XM, EXx } },
1966 { "addss", { XM, EXd } },
1967 { "addpd", { XM, EXx } },
1968 { "addsd", { XM, EXq } },
1969 },
1970 /* PREGRP1 */
1971 {
1972 { "", { XM, EXx, OPSIMD } }, /* See OP_SIMD_SUFFIX. */
1973 { "", { XM, EXx, OPSIMD } },
1974 { "", { XM, EXx, OPSIMD } },
1975 { "", { XM, EXx, OPSIMD } },
1976 },
1977 /* PREGRP2 */
1978 {
1979 { "cvtpi2ps", { XM, EMC } },
1980 { "cvtsi2ssY", { XM, Ev } },
1981 { "cvtpi2pd", { XM, EMC } },
1982 { "cvtsi2sdY", { XM, Ev } },
1983 },
1984 /* PREGRP3 */
1985 {
1986 { "cvtps2pi", { MXC, EXx } },
1987 { "cvtss2siY", { Gv, EXx } },
1988 { "cvtpd2pi", { MXC, EXx } },
1989 { "cvtsd2siY", { Gv, EXx } },
1990 },
1991 /* PREGRP4 */
1992 {
1993 { "cvttps2pi", { MXC, EXx } },
1994 { "cvttss2siY", { Gv, EXx } },
1995 { "cvttpd2pi", { MXC, EXx } },
1996 { "cvttsd2siY", { Gv, EXx } },
1997 },
1998 /* PREGRP5 */
1999 {
2000 { "divps", { XM, EXx } },
2001 { "divss", { XM, EXx } },
2002 { "divpd", { XM, EXx } },
2003 { "divsd", { XM, EXx } },
2004 },
2005 /* PREGRP6 */
2006 {
2007 { "maxps", { XM, EXx } },
2008 { "maxss", { XM, EXx } },
2009 { "maxpd", { XM, EXx } },
2010 { "maxsd", { XM, EXx } },
2011 },
2012 /* PREGRP7 */
2013 {
2014 { "minps", { XM, EXx } },
2015 { "minss", { XM, EXx } },
2016 { "minpd", { XM, EXx } },
2017 { "minsd", { XM, EXx } },
2018 },
2019 /* PREGRP8 */
2020 {
2021 { "movups", { XM, EXx } },
2022 { "movss", { XM, EXx } },
2023 { "movupd", { XM, EXx } },
2024 { "movsd", { XM, EXx } },
2025 },
2026 /* PREGRP9 */
2027 {
2028 { "movups", { EXx, XM } },
2029 { "movss", { EXx, XM } },
2030 { "movupd", { EXx, XM } },
2031 { "movsd", { EXx, XM } },
2032 },
2033 /* PREGRP10 */
2034 {
2035 { "mulps", { XM, EXx } },
2036 { "mulss", { XM, EXx } },
2037 { "mulpd", { XM, EXx } },
2038 { "mulsd", { XM, EXx } },
2039 },
2040 /* PREGRP11 */
2041 {
2042 { "rcpps", { XM, EXx } },
2043 { "rcpss", { XM, EXx } },
2044 { "(bad)", { XM, EXx } },
2045 { "(bad)", { XM, EXx } },
2046 },
2047 /* PREGRP12 */
2048 {
2049 { "rsqrtps",{ XM, EXx } },
2050 { "rsqrtss",{ XM, EXx } },
2051 { "(bad)", { XM, EXx } },
2052 { "(bad)", { XM, EXx } },
2053 },
2054 /* PREGRP13 */
2055 {
2056 { "sqrtps", { XM, EXx } },
2057 { "sqrtss", { XM, EXx } },
2058 { "sqrtpd", { XM, EXx } },
2059 { "sqrtsd", { XM, EXx } },
2060 },
2061 /* PREGRP14 */
2062 {
2063 { "subps", { XM, EXx } },
2064 { "subss", { XM, EXx } },
2065 { "subpd", { XM, EXx } },
2066 { "subsd", { XM, EXx } },
2067 },
2068 /* PREGRP15 */
2069 {
2070 { "(bad)", { XM, EXx } },
2071 { "cvtdq2pd", { XM, EXq } },
2072 { "cvttpd2dq", { XM, EXx } },
2073 { "cvtpd2dq", { XM, EXx } },
2074 },
2075 /* PREGRP16 */
2076 {
2077 { "cvtdq2ps", { XM, EXx } },
2078 { "cvttps2dq", { XM, EXx } },
2079 { "cvtps2dq", { XM, EXx } },
2080 { "(bad)", { XM, EXx } },
2081 },
2082 /* PREGRP17 */
2083 {
2084 { "cvtps2pd", { XM, EXq } },
2085 { "cvtss2sd", { XM, EXx } },
2086 { "cvtpd2ps", { XM, EXx } },
2087 { "cvtsd2ss", { XM, EXx } },
2088 },
2089 /* PREGRP18 */
2090 {
2091 { "maskmovq", { MX, MS } },
2092 { "(bad)", { XM, EXx } },
2093 { "maskmovdqu", { XM, XS } },
2094 { "(bad)", { XM, EXx } },
2095 },
2096 /* PREGRP19 */
2097 {
2098 { "movq", { MX, EM } },
2099 { "movdqu", { XM, EXx } },
2100 { "movdqa", { XM, EXx } },
2101 { "(bad)", { XM, EXx } },
2102 },
2103 /* PREGRP20 */
2104 {
2105 { "movq", { EM, MX } },
2106 { "movdqu", { EXx, XM } },
2107 { "movdqa", { EXx, XM } },
2108 { "(bad)", { EXx, XM } },
2109 },
2110 /* PREGRP21 */
2111 {
2112 { "(bad)", { EXx, XM } },
2113 { "movq2dq",{ XM, MS } },
2114 { "movq", { EXx, XM } },
2115 { "movdq2q",{ MX, XS } },
2116 },
2117 /* PREGRP22 */
2118 {
2119 { "pshufw", { MX, EM, Ib } },
2120 { "pshufhw",{ XM, EXx, Ib } },
2121 { "pshufd", { XM, EXx, Ib } },
2122 { "pshuflw",{ XM, EXx, Ib } },
2123 },
2124 /* PREGRP23 */
2125 {
2126 { "movd", { Edq, MX } },
2127 { "movq", { XM, EXx } },
2128 { "movd", { Edq, XM } },
2129 { "(bad)", { Ed, XM } },
2130 },
2131 /* PREGRP24 */
2132 {
2133 { "(bad)", { MX, EXx } },
2134 { "(bad)", { XM, EXx } },
2135 { "punpckhqdq", { XM, EXx } },
2136 { "(bad)", { XM, EXx } },
2137 },
2138 /* PREGRP25 */
2139 {
2140 { "movntq", { EM, MX } },
2141 { "(bad)", { EM, XM } },
2142 { "movntdq",{ EM, XM } },
2143 { "(bad)", { EM, XM } },
2144 },
2145 /* PREGRP26 */
2146 {
2147 { "(bad)", { MX, EXx } },
2148 { "(bad)", { XM, EXx } },
2149 { "punpcklqdq", { XM, EXx } },
2150 { "(bad)", { XM, EXx } },
2151 },
2152 /* PREGRP27 */
2153 {
2154 { "(bad)", { MX, EXx } },
2155 { "(bad)", { XM, EXx } },
2156 { "addsubpd", { XM, EXx } },
2157 { "addsubps", { XM, EXx } },
2158 },
2159 /* PREGRP28 */
2160 {
2161 { "(bad)", { MX, EXx } },
2162 { "(bad)", { XM, EXx } },
2163 { "haddpd", { XM, EXx } },
2164 { "haddps", { XM, EXx } },
2165 },
2166 /* PREGRP29 */
2167 {
2168 { "(bad)", { MX, EXx } },
2169 { "(bad)", { XM, EXx } },
2170 { "hsubpd", { XM, EXx } },
2171 { "hsubps", { XM, EXx } },
2172 },
2173 /* PREGRP30 */
2174 {
2175 { "movlpX", { XM, EXq, { SIMD_Fixup, 'h' } } }, /* really only 2 operands */
2176 { "movsldup", { XM, EXx } },
2177 { "movlpd", { XM, EXq } },
2178 { "movddup", { XM, EXq } },
2179 },
2180 /* PREGRP31 */
2181 {
2182 { "movhpX", { XM, EXq, { SIMD_Fixup, 'l' } } },
2183 { "movshdup", { XM, EXx } },
2184 { "movhpd", { XM, EXq } },
2185 { "(bad)", { XM, EXq } },
2186 },
2187 /* PREGRP32 */
2188 {
2189 { "(bad)", { XM, EXx } },
2190 { "(bad)", { XM, EXx } },
2191 { "(bad)", { XM, EXx } },
2192 { "lddqu", { XM, M } },
2193 },
2194 /* PREGRP33 */
2195 {
2196 {"movntps", { Ev, XM } },
2197 {"movntss", { Ev, XM } },
2198 {"movntpd", { Ev, XM } },
2199 {"movntsd", { Ev, XM } },
2200 },
2201
2202 /* PREGRP34 */
2203 {
2204 {"vmread", { Em, Gm } },
2205 {"(bad)", { XX } },
2206 {"extrq", { XS, Ib, Ib } },
2207 {"insertq", { XM, XS, Ib, Ib } },
2208 },
2209
2210 /* PREGRP35 */
2211 {
2212 {"vmwrite", { Gm, Em } },
2213 {"(bad)", { XX } },
2214 {"extrq", { XM, XS } },
2215 {"insertq", { XM, XS } },
2216 },
2217
2218 /* PREGRP36 */
2219 {
2220 { "bsrS", { Gv, Ev } },
2221 { "lzcntS", { Gv, Ev } },
2222 { "bsrS", { Gv, Ev } },
2223 { "(bad)", { XX } },
2224 },
2225
2226 /* PREGRP37 */
2227 {
2228 { "(bad)", { XX } },
2229 { "popcntS", { Gv, Ev } },
2230 { "(bad)", { XX } },
2231 { "(bad)", { XX } },
2232 },
2233
2234 /* PREGRP38 */
2235 {
2236 { "xchgS", { { NOP_Fixup1, eAX_reg }, { NOP_Fixup2, eAX_reg } } },
2237 { "pause", { XX } },
2238 { "xchgS", { { NOP_Fixup1, eAX_reg }, { NOP_Fixup2, eAX_reg } } },
2239 { "(bad)", { XX } },
2240 },
2241
2242 /* PREGRP39 */
2243 {
2244 { "(bad)", { XX } },
2245 { "(bad)", { XX } },
2246 { "pblendvb", {XM, EXx, XMM0 } },
2247 { "(bad)", { XX } },
2248 },
2249
2250 /* PREGRP40 */
2251 {
2252 { "(bad)", { XX } },
2253 { "(bad)", { XX } },
2254 { "blendvps", {XM, EXx, XMM0 } },
2255 { "(bad)", { XX } },
2256 },
2257
2258 /* PREGRP41 */
2259 {
2260 { "(bad)", { XX } },
2261 { "(bad)", { XX } },
2262 { "blendvpd", { XM, EXx, XMM0 } },
2263 { "(bad)", { XX } },
2264 },
2265
2266 /* PREGRP42 */
2267 {
2268 { "(bad)", { XX } },
2269 { "(bad)", { XX } },
2270 { "ptest", { XM, EXx } },
2271 { "(bad)", { XX } },
2272 },
2273
2274 /* PREGRP43 */
2275 {
2276 { "(bad)", { XX } },
2277 { "(bad)", { XX } },
2278 { "pmovsxbw", { XM, EXx } },
2279 { "(bad)", { XX } },
2280 },
2281
2282 /* PREGRP44 */
2283 {
2284 { "(bad)", { XX } },
2285 { "(bad)", { XX } },
2286 { "pmovsxbd", { XM, EXx } },
2287 { "(bad)", { XX } },
2288 },
2289
2290 /* PREGRP45 */
2291 {
2292 { "(bad)", { XX } },
2293 { "(bad)", { XX } },
2294 { "pmovsxbq", { XM, EXx } },
2295 { "(bad)", { XX } },
2296 },
2297
2298 /* PREGRP46 */
2299 {
2300 { "(bad)", { XX } },
2301 { "(bad)", { XX } },
2302 { "pmovsxwd", { XM, EXx } },
2303 { "(bad)", { XX } },
2304 },
2305
2306 /* PREGRP47 */
2307 {
2308 { "(bad)", { XX } },
2309 { "(bad)", { XX } },
2310 { "pmovsxwq", { XM, EXx } },
2311 { "(bad)", { XX } },
2312 },
2313
2314 /* PREGRP48 */
2315 {
2316 { "(bad)", { XX } },
2317 { "(bad)", { XX } },
2318 { "pmovsxdq", { XM, EXx } },
2319 { "(bad)", { XX } },
2320 },
2321
2322 /* PREGRP49 */
2323 {
2324 { "(bad)", { XX } },
2325 { "(bad)", { XX } },
2326 { "pmuldq", { XM, EXx } },
2327 { "(bad)", { XX } },
2328 },
2329
2330 /* PREGRP50 */
2331 {
2332 { "(bad)", { XX } },
2333 { "(bad)", { XX } },
2334 { "pcmpeqq", { XM, EXx } },
2335 { "(bad)", { XX } },
2336 },
2337
2338 /* PREGRP51 */
2339 {
2340 { "(bad)", { XX } },
2341 { "(bad)", { XX } },
2342 { "movntdqa", { XM, EM } },
2343 { "(bad)", { XX } },
2344 },
2345
2346 /* PREGRP52 */
2347 {
2348 { "(bad)", { XX } },
2349 { "(bad)", { XX } },
2350 { "packusdw", { XM, EXx } },
2351 { "(bad)", { XX } },
2352 },
2353
2354 /* PREGRP53 */
2355 {
2356 { "(bad)", { XX } },
2357 { "(bad)", { XX } },
2358 { "pmovzxbw", { XM, EXx } },
2359 { "(bad)", { XX } },
2360 },
2361
2362 /* PREGRP54 */
2363 {
2364 { "(bad)", { XX } },
2365 { "(bad)", { XX } },
2366 { "pmovzxbd", { XM, EXx } },
2367 { "(bad)", { XX } },
2368 },
2369
2370 /* PREGRP55 */
2371 {
2372 { "(bad)", { XX } },
2373 { "(bad)", { XX } },
2374 { "pmovzxbq", { XM, EXx } },
2375 { "(bad)", { XX } },
2376 },
2377
2378 /* PREGRP56 */
2379 {
2380 { "(bad)", { XX } },
2381 { "(bad)", { XX } },
2382 { "pmovzxwd", { XM, EXx } },
2383 { "(bad)", { XX } },
2384 },
2385
2386 /* PREGRP57 */
2387 {
2388 { "(bad)", { XX } },
2389 { "(bad)", { XX } },
2390 { "pmovzxwq", { XM, EXx } },
2391 { "(bad)", { XX } },
2392 },
2393
2394 /* PREGRP58 */
2395 {
2396 { "(bad)", { XX } },
2397 { "(bad)", { XX } },
2398 { "pmovzxdq", { XM, EXx } },
2399 { "(bad)", { XX } },
2400 },
2401
2402 /* PREGRP59 */
2403 {
2404 { "(bad)", { XX } },
2405 { "(bad)", { XX } },
2406 { "pminsb", { XM, EXx } },
2407 { "(bad)", { XX } },
2408 },
2409
2410 /* PREGRP60 */
2411 {
2412 { "(bad)", { XX } },
2413 { "(bad)", { XX } },
2414 { "pminsd", { XM, EXx } },
2415 { "(bad)", { XX } },
2416 },
2417
2418 /* PREGRP61 */
2419 {
2420 { "(bad)", { XX } },
2421 { "(bad)", { XX } },
2422 { "pminuw", { XM, EXx } },
2423 { "(bad)", { XX } },
2424 },
2425
2426 /* PREGRP62 */
2427 {
2428 { "(bad)", { XX } },
2429 { "(bad)", { XX } },
2430 { "pminud", { XM, EXx } },
2431 { "(bad)", { XX } },
2432 },
2433
2434 /* PREGRP63 */
2435 {
2436 { "(bad)", { XX } },
2437 { "(bad)", { XX } },
2438 { "pmaxsb", { XM, EXx } },
2439 { "(bad)", { XX } },
2440 },
2441
2442 /* PREGRP64 */
2443 {
2444 { "(bad)", { XX } },
2445 { "(bad)", { XX } },
2446 { "pmaxsd", { XM, EXx } },
2447 { "(bad)", { XX } },
2448 },
2449
2450 /* PREGRP65 */
2451 {
2452 { "(bad)", { XX } },
2453 { "(bad)", { XX } },
2454 { "pmaxuw", { XM, EXx } },
2455 { "(bad)", { XX } },
2456 },
2457
2458 /* PREGRP66 */
2459 {
2460 { "(bad)", { XX } },
2461 { "(bad)", { XX } },
2462 { "pmaxud", { XM, EXx } },
2463 { "(bad)", { XX } },
2464 },
2465
2466 /* PREGRP67 */
2467 {
2468 { "(bad)", { XX } },
2469 { "(bad)", { XX } },
2470 { "pmulld", { XM, EXx } },
2471 { "(bad)", { XX } },
2472 },
2473
2474 /* PREGRP68 */
2475 {
2476 { "(bad)", { XX } },
2477 { "(bad)", { XX } },
2478 { "phminposuw", { XM, EXx } },
2479 { "(bad)", { XX } },
2480 },
2481
2482 /* PREGRP69 */
2483 {
2484 { "(bad)", { XX } },
2485 { "(bad)", { XX } },
2486 { "roundps", { XM, EXx, Ib } },
2487 { "(bad)", { XX } },
2488 },
2489
2490 /* PREGRP70 */
2491 {
2492 { "(bad)", { XX } },
2493 { "(bad)", { XX } },
2494 { "roundpd", { XM, EXx, Ib } },
2495 { "(bad)", { XX } },
2496 },
2497
2498 /* PREGRP71 */
2499 {
2500 { "(bad)", { XX } },
2501 { "(bad)", { XX } },
2502 { "roundss", { XM, EXx, Ib } },
2503 { "(bad)", { XX } },
2504 },
2505
2506 /* PREGRP72 */
2507 {
2508 { "(bad)", { XX } },
2509 { "(bad)", { XX } },
2510 { "roundsd", { XM, EXx, Ib } },
2511 { "(bad)", { XX } },
2512 },
2513
2514 /* PREGRP73 */
2515 {
2516 { "(bad)", { XX } },
2517 { "(bad)", { XX } },
2518 { "blendps", { XM, EXx, Ib } },
2519 { "(bad)", { XX } },
2520 },
2521
2522 /* PREGRP74 */
2523 {
2524 { "(bad)", { XX } },
2525 { "(bad)", { XX } },
2526 { "blendpd", { XM, EXx, Ib } },
2527 { "(bad)", { XX } },
2528 },
2529
2530 /* PREGRP75 */
2531 {
2532 { "(bad)", { XX } },
2533 { "(bad)", { XX } },
2534 { "pblendw", { XM, EXx, Ib } },
2535 { "(bad)", { XX } },
2536 },
2537
2538 /* PREGRP76 */
2539 {
2540 { "(bad)", { XX } },
2541 { "(bad)", { XX } },
2542 { "pextrb", { Edqb, XM, Ib } },
2543 { "(bad)", { XX } },
2544 },
2545
2546 /* PREGRP77 */
2547 {
2548 { "(bad)", { XX } },
2549 { "(bad)", { XX } },
2550 { "pextrw", { Edqw, XM, Ib } },
2551 { "(bad)", { XX } },
2552 },
2553
2554 /* PREGRP78 */
2555 {
2556 { "(bad)", { XX } },
2557 { "(bad)", { XX } },
2558 { "pextrK", { Edq, XM, Ib } },
2559 { "(bad)", { XX } },
2560 },
2561
2562 /* PREGRP79 */
2563 {
2564 { "(bad)", { XX } },
2565 { "(bad)", { XX } },
2566 { "extractps", { Edqd, XM, Ib } },
2567 { "(bad)", { XX } },
2568 },
2569
2570 /* PREGRP80 */
2571 {
2572 { "(bad)", { XX } },
2573 { "(bad)", { XX } },
2574 { "pinsrb", { XM, Edqb, Ib } },
2575 { "(bad)", { XX } },
2576 },
2577
2578 /* PREGRP81 */
2579 {
2580 { "(bad)", { XX } },
2581 { "(bad)", { XX } },
2582 { "insertps", { XM, EXx, Ib } },
2583 { "(bad)", { XX } },
2584 },
2585
2586 /* PREGRP82 */
2587 {
2588 { "(bad)", { XX } },
2589 { "(bad)", { XX } },
2590 { "pinsrK", { XM, Edq, Ib } },
2591 { "(bad)", { XX } },
2592 },
2593
2594 /* PREGRP83 */
2595 {
2596 { "(bad)", { XX } },
2597 { "(bad)", { XX } },
2598 { "dpps", { XM, EXx, Ib } },
2599 { "(bad)", { XX } },
2600 },
2601
2602 /* PREGRP84 */
2603 {
2604 { "(bad)", { XX } },
2605 { "(bad)", { XX } },
2606 { "dppd", { XM, EXx, Ib } },
2607 { "(bad)", { XX } },
2608 },
2609
2610 /* PREGRP85 */
2611 {
2612 { "(bad)", { XX } },
2613 { "(bad)", { XX } },
2614 { "mpsadbw", { XM, EXx, Ib } },
2615 { "(bad)", { XX } },
2616 },
2617
2618 /* PREGRP86 */
2619 {
2620 { "(bad)", { XX } },
2621 { "(bad)", { XX } },
2622 { "pcmpgtq", { XM, EXx } },
2623 { "(bad)", { XX } },
2624 },
2625
2626 /* PREGRP87 */
2627 {
2628 { "(bad)", { XX } },
2629 { "(bad)", { XX } },
2630 { "(bad)", { XX } },
2631 { "crc32", { Gdq, { CRC32_Fixup, b_mode } } },
2632 },
2633
2634 /* PREGRP88 */
2635 {
2636 { "(bad)", { XX } },
2637 { "(bad)", { XX } },
2638 { "(bad)", { XX } },
2639 { "crc32", { Gdq, { CRC32_Fixup, v_mode } } },
2640 },
2641
2642 /* PREGRP89 */
2643 {
2644 { "(bad)", { XX } },
2645 { "(bad)", { XX } },
2646 { "pcmpestrm", { XM, EXx, Ib } },
2647 { "(bad)", { XX } },
2648 },
2649
2650 /* PREGRP90 */
2651 {
2652 { "(bad)", { XX } },
2653 { "(bad)", { XX } },
2654 { "pcmpestri", { XM, EXx, Ib } },
2655 { "(bad)", { XX } },
2656 },
2657
2658 /* PREGRP91 */
2659 {
2660 { "(bad)", { XX } },
2661 { "(bad)", { XX } },
2662 { "pcmpistrm", { XM, EXx, Ib } },
2663 { "(bad)", { XX } },
2664 },
2665
2666 /* PREGRP92 */
2667 {
2668 { "(bad)", { XX } },
2669 { "(bad)", { XX } },
2670 { "pcmpistri", { XM, EXx, Ib } },
2671 { "(bad)", { XX } },
2672 },
2673
2674 /* PREGRP93 */
2675 {
2676 { "ucomiss",{ XM, EXd } },
2677 { "(bad)", { XX } },
2678 { "ucomisd",{ XM, EXq } },
2679 { "(bad)", { XX } },
2680 },
2681
2682 /* PREGRP94 */
2683 {
2684 { "comiss", { XM, EXd } },
2685 { "(bad)", { XX } },
2686 { "comisd", { XM, EXq } },
2687 { "(bad)", { XX } },
2688 },
2689
2690 /* PREGRP95 */
2691 {
2692 { "punpcklbw",{ MX, EMd } },
2693 { "(bad)", { XX } },
2694 { "punpcklbw",{ MX, EMq } },
2695 { "(bad)", { XX } },
2696 },
2697
2698 /* PREGRP96 */
2699 {
2700 { "punpcklwd",{ MX, EMd } },
2701 { "(bad)", { XX } },
2702 { "punpcklwd",{ MX, EMq } },
2703 { "(bad)", { XX } },
2704 },
2705
2706 /* PREGRP97 */
2707 {
2708 { "punpckldq",{ MX, EMd } },
2709 { "(bad)", { XX } },
2710 { "punpckldq",{ MX, EMq } },
2711 { "(bad)", { XX } },
2712 },
2713 };
2714
2715 static const struct dis386 x86_64_table[][2] = {
2716 {
2717 { "pusha{P|}", { XX } },
2718 { "(bad)", { XX } },
2719 },
2720 {
2721 { "popa{P|}", { XX } },
2722 { "(bad)", { XX } },
2723 },
2724 {
2725 { "bound{S|}", { Gv, Ma } },
2726 { "(bad)", { XX } },
2727 },
2728 {
2729 { "arpl", { Ew, Gw } },
2730 { "movs{||lq|xd}", { Gv, Ed } },
2731 },
2732 };
2733
2734 static const struct dis386 three_byte_table[][256] = {
2735 /* THREE_BYTE_0 */
2736 {
2737 /* 00 */
2738 { "pshufb", { MX, EM } },
2739 { "phaddw", { MX, EM } },
2740 { "phaddd", { MX, EM } },
2741 { "phaddsw", { MX, EM } },
2742 { "pmaddubsw", { MX, EM } },
2743 { "phsubw", { MX, EM } },
2744 { "phsubd", { MX, EM } },
2745 { "phsubsw", { MX, EM } },
2746 /* 08 */
2747 { "psignb", { MX, EM } },
2748 { "psignw", { MX, EM } },
2749 { "psignd", { MX, EM } },
2750 { "pmulhrsw", { MX, EM } },
2751 { "(bad)", { XX } },
2752 { "(bad)", { XX } },
2753 { "(bad)", { XX } },
2754 { "(bad)", { XX } },
2755 /* 10 */
2756 { PREGRP39 },
2757 { "(bad)", { XX } },
2758 { "(bad)", { XX } },
2759 { "(bad)", { XX } },
2760 { PREGRP40 },
2761 { PREGRP41 },
2762 { "(bad)", { XX } },
2763 { PREGRP42 },
2764 /* 18 */
2765 { "(bad)", { XX } },
2766 { "(bad)", { XX } },
2767 { "(bad)", { XX } },
2768 { "(bad)", { XX } },
2769 { "pabsb", { MX, EM } },
2770 { "pabsw", { MX, EM } },
2771 { "pabsd", { MX, EM } },
2772 { "(bad)", { XX } },
2773 /* 20 */
2774 { PREGRP43 },
2775 { PREGRP44 },
2776 { PREGRP45 },
2777 { PREGRP46 },
2778 { PREGRP47 },
2779 { PREGRP48 },
2780 { "(bad)", { XX } },
2781 { "(bad)", { XX } },
2782 /* 28 */
2783 { PREGRP49 },
2784 { PREGRP50 },
2785 { PREGRP51 },
2786 { PREGRP52 },
2787 { "(bad)", { XX } },
2788 { "(bad)", { XX } },
2789 { "(bad)", { XX } },
2790 { "(bad)", { XX } },
2791 /* 30 */
2792 { PREGRP53 },
2793 { PREGRP54 },
2794 { PREGRP55 },
2795 { PREGRP56 },
2796 { PREGRP57 },
2797 { PREGRP58 },
2798 { "(bad)", { XX } },
2799 { PREGRP86 },
2800 /* 38 */
2801 { PREGRP59 },
2802 { PREGRP60 },
2803 { PREGRP61 },
2804 { PREGRP62 },
2805 { PREGRP63 },
2806 { PREGRP64 },
2807 { PREGRP65 },
2808 { PREGRP66 },
2809 /* 40 */
2810 { PREGRP67 },
2811 { PREGRP68 },
2812 { "(bad)", { XX } },
2813 { "(bad)", { XX } },
2814 { "(bad)", { XX } },
2815 { "(bad)", { XX } },
2816 { "(bad)", { XX } },
2817 { "(bad)", { XX } },
2818 /* 48 */
2819 { "(bad)", { XX } },
2820 { "(bad)", { XX } },
2821 { "(bad)", { XX } },
2822 { "(bad)", { XX } },
2823 { "(bad)", { XX } },
2824 { "(bad)", { XX } },
2825 { "(bad)", { XX } },
2826 { "(bad)", { XX } },
2827 /* 50 */
2828 { "(bad)", { XX } },
2829 { "(bad)", { XX } },
2830 { "(bad)", { XX } },
2831 { "(bad)", { XX } },
2832 { "(bad)", { XX } },
2833 { "(bad)", { XX } },
2834 { "(bad)", { XX } },
2835 { "(bad)", { XX } },
2836 /* 58 */
2837 { "(bad)", { XX } },
2838 { "(bad)", { XX } },
2839 { "(bad)", { XX } },
2840 { "(bad)", { XX } },
2841 { "(bad)", { XX } },
2842 { "(bad)", { XX } },
2843 { "(bad)", { XX } },
2844 { "(bad)", { XX } },
2845 /* 60 */
2846 { "(bad)", { XX } },
2847 { "(bad)", { XX } },
2848 { "(bad)", { XX } },
2849 { "(bad)", { XX } },
2850 { "(bad)", { XX } },
2851 { "(bad)", { XX } },
2852 { "(bad)", { XX } },
2853 { "(bad)", { XX } },
2854 /* 68 */
2855 { "(bad)", { XX } },
2856 { "(bad)", { XX } },
2857 { "(bad)", { XX } },
2858 { "(bad)", { XX } },
2859 { "(bad)", { XX } },
2860 { "(bad)", { XX } },
2861 { "(bad)", { XX } },
2862 { "(bad)", { XX } },
2863 /* 70 */
2864 { "(bad)", { XX } },
2865 { "(bad)", { XX } },
2866 { "(bad)", { XX } },
2867 { "(bad)", { XX } },
2868 { "(bad)", { XX } },
2869 { "(bad)", { XX } },
2870 { "(bad)", { XX } },
2871 { "(bad)", { XX } },
2872 /* 78 */
2873 { "(bad)", { XX } },
2874 { "(bad)", { XX } },
2875 { "(bad)", { XX } },
2876 { "(bad)", { XX } },
2877 { "(bad)", { XX } },
2878 { "(bad)", { XX } },
2879 { "(bad)", { XX } },
2880 { "(bad)", { XX } },
2881 /* 80 */
2882 { "(bad)", { XX } },
2883 { "(bad)", { XX } },
2884 { "(bad)", { XX } },
2885 { "(bad)", { XX } },
2886 { "(bad)", { XX } },
2887 { "(bad)", { XX } },
2888 { "(bad)", { XX } },
2889 { "(bad)", { XX } },
2890 /* 88 */
2891 { "(bad)", { XX } },
2892 { "(bad)", { XX } },
2893 { "(bad)", { XX } },
2894 { "(bad)", { XX } },
2895 { "(bad)", { XX } },
2896 { "(bad)", { XX } },
2897 { "(bad)", { XX } },
2898 { "(bad)", { XX } },
2899 /* 90 */
2900 { "(bad)", { XX } },
2901 { "(bad)", { XX } },
2902 { "(bad)", { XX } },
2903 { "(bad)", { XX } },
2904 { "(bad)", { XX } },
2905 { "(bad)", { XX } },
2906 { "(bad)", { XX } },
2907 { "(bad)", { XX } },
2908 /* 98 */
2909 { "(bad)", { XX } },
2910 { "(bad)", { XX } },
2911 { "(bad)", { XX } },
2912 { "(bad)", { XX } },
2913 { "(bad)", { XX } },
2914 { "(bad)", { XX } },
2915 { "(bad)", { XX } },
2916 { "(bad)", { XX } },
2917 /* a0 */
2918 { "(bad)", { XX } },
2919 { "(bad)", { XX } },
2920 { "(bad)", { XX } },
2921 { "(bad)", { XX } },
2922 { "(bad)", { XX } },
2923 { "(bad)", { XX } },
2924 { "(bad)", { XX } },
2925 { "(bad)", { XX } },
2926 /* a8 */
2927 { "(bad)", { XX } },
2928 { "(bad)", { XX } },
2929 { "(bad)", { XX } },
2930 { "(bad)", { XX } },
2931 { "(bad)", { XX } },
2932 { "(bad)", { XX } },
2933 { "(bad)", { XX } },
2934 { "(bad)", { XX } },
2935 /* b0 */
2936 { "(bad)", { XX } },
2937 { "(bad)", { XX } },
2938 { "(bad)", { XX } },
2939 { "(bad)", { XX } },
2940 { "(bad)", { XX } },
2941 { "(bad)", { XX } },
2942 { "(bad)", { XX } },
2943 { "(bad)", { XX } },
2944 /* b8 */
2945 { "(bad)", { XX } },
2946 { "(bad)", { XX } },
2947 { "(bad)", { XX } },
2948 { "(bad)", { XX } },
2949 { "(bad)", { XX } },
2950 { "(bad)", { XX } },
2951 { "(bad)", { XX } },
2952 { "(bad)", { XX } },
2953 /* c0 */
2954 { "(bad)", { XX } },
2955 { "(bad)", { XX } },
2956 { "(bad)", { XX } },
2957 { "(bad)", { XX } },
2958 { "(bad)", { XX } },
2959 { "(bad)", { XX } },
2960 { "(bad)", { XX } },
2961 { "(bad)", { XX } },
2962 /* c8 */
2963 { "(bad)", { XX } },
2964 { "(bad)", { XX } },
2965 { "(bad)", { XX } },
2966 { "(bad)", { XX } },
2967 { "(bad)", { XX } },
2968 { "(bad)", { XX } },
2969 { "(bad)", { XX } },
2970 { "(bad)", { XX } },
2971 /* d0 */
2972 { "(bad)", { XX } },
2973 { "(bad)", { XX } },
2974 { "(bad)", { XX } },
2975 { "(bad)", { XX } },
2976 { "(bad)", { XX } },
2977 { "(bad)", { XX } },
2978 { "(bad)", { XX } },
2979 { "(bad)", { XX } },
2980 /* d8 */
2981 { "(bad)", { XX } },
2982 { "(bad)", { XX } },
2983 { "(bad)", { XX } },
2984 { "(bad)", { XX } },
2985 { "(bad)", { XX } },
2986 { "(bad)", { XX } },
2987 { "(bad)", { XX } },
2988 { "(bad)", { XX } },
2989 /* e0 */
2990 { "(bad)", { XX } },
2991 { "(bad)", { XX } },
2992 { "(bad)", { XX } },
2993 { "(bad)", { XX } },
2994 { "(bad)", { XX } },
2995 { "(bad)", { XX } },
2996 { "(bad)", { XX } },
2997 { "(bad)", { XX } },
2998 /* e8 */
2999 { "(bad)", { XX } },
3000 { "(bad)", { XX } },
3001 { "(bad)", { XX } },
3002 { "(bad)", { XX } },
3003 { "(bad)", { XX } },
3004 { "(bad)", { XX } },
3005 { "(bad)", { XX } },
3006 { "(bad)", { XX } },
3007 /* f0 */
3008 { PREGRP87 },
3009 { PREGRP88 },
3010 { "(bad)", { XX } },
3011 { "(bad)", { XX } },
3012 { "(bad)", { XX } },
3013 { "(bad)", { XX } },
3014 { "(bad)", { XX } },
3015 { "(bad)", { XX } },
3016 /* f8 */
3017 { "(bad)", { XX } },
3018 { "(bad)", { XX } },
3019 { "(bad)", { XX } },
3020 { "(bad)", { XX } },
3021 { "(bad)", { XX } },
3022 { "(bad)", { XX } },
3023 { "(bad)", { XX } },
3024 { "(bad)", { XX } },
3025 },
3026 /* THREE_BYTE_1 */
3027 {
3028 /* 00 */
3029 { "(bad)", { XX } },
3030 { "(bad)", { XX } },
3031 { "(bad)", { XX } },
3032 { "(bad)", { XX } },
3033 { "(bad)", { XX } },
3034 { "(bad)", { XX } },
3035 { "(bad)", { XX } },
3036 { "(bad)", { XX } },
3037 /* 08 */
3038 { PREGRP69 },
3039 { PREGRP70 },
3040 { PREGRP71 },
3041 { PREGRP72 },
3042 { PREGRP73 },
3043 { PREGRP74 },
3044 { PREGRP75 },
3045 { "palignr", { MX, EM, Ib } },
3046 /* 10 */
3047 { "(bad)", { XX } },
3048 { "(bad)", { XX } },
3049 { "(bad)", { XX } },
3050 { "(bad)", { XX } },
3051 { PREGRP76 },
3052 { PREGRP77 },
3053 { PREGRP78 },
3054 { PREGRP79 },
3055 /* 18 */
3056 { "(bad)", { XX } },
3057 { "(bad)", { XX } },
3058 { "(bad)", { XX } },
3059 { "(bad)", { XX } },
3060 { "(bad)", { XX } },
3061 { "(bad)", { XX } },
3062 { "(bad)", { XX } },
3063 { "(bad)", { XX } },
3064 /* 20 */
3065 { PREGRP80 },
3066 { PREGRP81 },
3067 { PREGRP82 },
3068 { "(bad)", { XX } },
3069 { "(bad)", { XX } },
3070 { "(bad)", { XX } },
3071 { "(bad)", { XX } },
3072 { "(bad)", { XX } },
3073 /* 28 */
3074 { "(bad)", { XX } },
3075 { "(bad)", { XX } },
3076 { "(bad)", { XX } },
3077 { "(bad)", { XX } },
3078 { "(bad)", { XX } },
3079 { "(bad)", { XX } },
3080 { "(bad)", { XX } },
3081 { "(bad)", { XX } },
3082 /* 30 */
3083 { "(bad)", { XX } },
3084 { "(bad)", { XX } },
3085 { "(bad)", { XX } },
3086 { "(bad)", { XX } },
3087 { "(bad)", { XX } },
3088 { "(bad)", { XX } },
3089 { "(bad)", { XX } },
3090 { "(bad)", { XX } },
3091 /* 38 */
3092 { "(bad)", { XX } },
3093 { "(bad)", { XX } },
3094 { "(bad)", { XX } },
3095 { "(bad)", { XX } },
3096 { "(bad)", { XX } },
3097 { "(bad)", { XX } },
3098 { "(bad)", { XX } },
3099 { "(bad)", { XX } },
3100 /* 40 */
3101 { PREGRP83 },
3102 { PREGRP84 },
3103 { PREGRP85 },
3104 { "(bad)", { XX } },
3105 { "(bad)", { XX } },
3106 { "(bad)", { XX } },
3107 { "(bad)", { XX } },
3108 { "(bad)", { XX } },
3109 /* 48 */
3110 { "(bad)", { XX } },
3111 { "(bad)", { XX } },
3112 { "(bad)", { XX } },
3113 { "(bad)", { XX } },
3114 { "(bad)", { XX } },
3115 { "(bad)", { XX } },
3116 { "(bad)", { XX } },
3117 { "(bad)", { XX } },
3118 /* 50 */
3119 { "(bad)", { XX } },
3120 { "(bad)", { XX } },
3121 { "(bad)", { XX } },
3122 { "(bad)", { XX } },
3123 { "(bad)", { XX } },
3124 { "(bad)", { XX } },
3125 { "(bad)", { XX } },
3126 { "(bad)", { XX } },
3127 /* 58 */
3128 { "(bad)", { XX } },
3129 { "(bad)", { XX } },
3130 { "(bad)", { XX } },
3131 { "(bad)", { XX } },
3132 { "(bad)", { XX } },
3133 { "(bad)", { XX } },
3134 { "(bad)", { XX } },
3135 { "(bad)", { XX } },
3136 /* 60 */
3137 { PREGRP89 },
3138 { PREGRP90 },
3139 { PREGRP91 },
3140 { PREGRP92 },
3141 { "(bad)", { XX } },
3142 { "(bad)", { XX } },
3143 { "(bad)", { XX } },
3144 { "(bad)", { XX } },
3145 /* 68 */
3146 { "(bad)", { XX } },
3147 { "(bad)", { XX } },
3148 { "(bad)", { XX } },
3149 { "(bad)", { XX } },
3150 { "(bad)", { XX } },
3151 { "(bad)", { XX } },
3152 { "(bad)", { XX } },
3153 { "(bad)", { XX } },
3154 /* 70 */
3155 { "(bad)", { XX } },
3156 { "(bad)", { XX } },
3157 { "(bad)", { XX } },
3158 { "(bad)", { XX } },
3159 { "(bad)", { XX } },
3160 { "(bad)", { XX } },
3161 { "(bad)", { XX } },
3162 { "(bad)", { XX } },
3163 /* 78 */
3164 { "(bad)", { XX } },
3165 { "(bad)", { XX } },
3166 { "(bad)", { XX } },
3167 { "(bad)", { XX } },
3168 { "(bad)", { XX } },
3169 { "(bad)", { XX } },
3170 { "(bad)", { XX } },
3171 { "(bad)", { XX } },
3172 /* 80 */
3173 { "(bad)", { XX } },
3174 { "(bad)", { XX } },
3175 { "(bad)", { XX } },
3176 { "(bad)", { XX } },
3177 { "(bad)", { XX } },
3178 { "(bad)", { XX } },
3179 { "(bad)", { XX } },
3180 { "(bad)", { XX } },
3181 /* 88 */
3182 { "(bad)", { XX } },
3183 { "(bad)", { XX } },
3184 { "(bad)", { XX } },
3185 { "(bad)", { XX } },
3186 { "(bad)", { XX } },
3187 { "(bad)", { XX } },
3188 { "(bad)", { XX } },
3189 { "(bad)", { XX } },
3190 /* 90 */
3191 { "(bad)", { XX } },
3192 { "(bad)", { XX } },
3193 { "(bad)", { XX } },
3194 { "(bad)", { XX } },
3195 { "(bad)", { XX } },
3196 { "(bad)", { XX } },
3197 { "(bad)", { XX } },
3198 { "(bad)", { XX } },
3199 /* 98 */
3200 { "(bad)", { XX } },
3201 { "(bad)", { XX } },
3202 { "(bad)", { XX } },
3203 { "(bad)", { XX } },
3204 { "(bad)", { XX } },
3205 { "(bad)", { XX } },
3206 { "(bad)", { XX } },
3207 { "(bad)", { XX } },
3208 /* a0 */
3209 { "(bad)", { XX } },
3210 { "(bad)", { XX } },
3211 { "(bad)", { XX } },
3212 { "(bad)", { XX } },
3213 { "(bad)", { XX } },
3214 { "(bad)", { XX } },
3215 { "(bad)", { XX } },
3216 { "(bad)", { XX } },
3217 /* a8 */
3218 { "(bad)", { XX } },
3219 { "(bad)", { XX } },
3220 { "(bad)", { XX } },
3221 { "(bad)", { XX } },
3222 { "(bad)", { XX } },
3223 { "(bad)", { XX } },
3224 { "(bad)", { XX } },
3225 { "(bad)", { XX } },
3226 /* b0 */
3227 { "(bad)", { XX } },
3228 { "(bad)", { XX } },
3229 { "(bad)", { XX } },
3230 { "(bad)", { XX } },
3231 { "(bad)", { XX } },
3232 { "(bad)", { XX } },
3233 { "(bad)", { XX } },
3234 { "(bad)", { XX } },
3235 /* b8 */
3236 { "(bad)", { XX } },
3237 { "(bad)", { XX } },
3238 { "(bad)", { XX } },
3239 { "(bad)", { XX } },
3240 { "(bad)", { XX } },
3241 { "(bad)", { XX } },
3242 { "(bad)", { XX } },
3243 { "(bad)", { XX } },
3244 /* c0 */
3245 { "(bad)", { XX } },
3246 { "(bad)", { XX } },
3247 { "(bad)", { XX } },
3248 { "(bad)", { XX } },
3249 { "(bad)", { XX } },
3250 { "(bad)", { XX } },
3251 { "(bad)", { XX } },
3252 { "(bad)", { XX } },
3253 /* c8 */
3254 { "(bad)", { XX } },
3255 { "(bad)", { XX } },
3256 { "(bad)", { XX } },
3257 { "(bad)", { XX } },
3258 { "(bad)", { XX } },
3259 { "(bad)", { XX } },
3260 { "(bad)", { XX } },
3261 { "(bad)", { XX } },
3262 /* d0 */
3263 { "(bad)", { XX } },
3264 { "(bad)", { XX } },
3265 { "(bad)", { XX } },
3266 { "(bad)", { XX } },
3267 { "(bad)", { XX } },
3268 { "(bad)", { XX } },
3269 { "(bad)", { XX } },
3270 { "(bad)", { XX } },
3271 /* d8 */
3272 { "(bad)", { XX } },
3273 { "(bad)", { XX } },
3274 { "(bad)", { XX } },
3275 { "(bad)", { XX } },
3276 { "(bad)", { XX } },
3277 { "(bad)", { XX } },
3278 { "(bad)", { XX } },
3279 { "(bad)", { XX } },
3280 /* e0 */
3281 { "(bad)", { XX } },
3282 { "(bad)", { XX } },
3283 { "(bad)", { XX } },
3284 { "(bad)", { XX } },
3285 { "(bad)", { XX } },
3286 { "(bad)", { XX } },
3287 { "(bad)", { XX } },
3288 { "(bad)", { XX } },
3289 /* e8 */
3290 { "(bad)", { XX } },
3291 { "(bad)", { XX } },
3292 { "(bad)", { XX } },
3293 { "(bad)", { XX } },
3294 { "(bad)", { XX } },
3295 { "(bad)", { XX } },
3296 { "(bad)", { XX } },
3297 { "(bad)", { XX } },
3298 /* f0 */
3299 { "(bad)", { XX } },
3300 { "(bad)", { XX } },
3301 { "(bad)", { XX } },
3302 { "(bad)", { XX } },
3303 { "(bad)", { XX } },
3304 { "(bad)", { XX } },
3305 { "(bad)", { XX } },
3306 { "(bad)", { XX } },
3307 /* f8 */
3308 { "(bad)", { XX } },
3309 { "(bad)", { XX } },
3310 { "(bad)", { XX } },
3311 { "(bad)", { XX } },
3312 { "(bad)", { XX } },
3313 { "(bad)", { XX } },
3314 { "(bad)", { XX } },
3315 { "(bad)", { XX } },
3316 }
3317 };
3318
3319 #define INTERNAL_DISASSEMBLER_ERROR _("<internal disassembler error>")
3320
3321 static void
3322 ckprefix (void)
3323 {
3324 int newrex;
3325 rex = 0;
3326 prefixes = 0;
3327 used_prefixes = 0;
3328 rex_used = 0;
3329 while (1)
3330 {
3331 fetch_data(the_info, codep + 1);
3332 newrex = 0;
3333 switch (*codep)
3334 {
3335 /* REX prefixes family. */
3336 case 0x40:
3337 case 0x41:
3338 case 0x42:
3339 case 0x43:
3340 case 0x44:
3341 case 0x45:
3342 case 0x46:
3343 case 0x47:
3344 case 0x48:
3345 case 0x49:
3346 case 0x4a:
3347 case 0x4b:
3348 case 0x4c:
3349 case 0x4d:
3350 case 0x4e:
3351 case 0x4f:
3352 if (address_mode == mode_64bit)
3353 newrex = *codep;
3354 else
3355 return;
3356 break;
3357 case 0xf3:
3358 prefixes |= PREFIX_REPZ;
3359 break;
3360 case 0xf2:
3361 prefixes |= PREFIX_REPNZ;
3362 break;
3363 case 0xf0:
3364 prefixes |= PREFIX_LOCK;
3365 break;
3366 case 0x2e:
3367 prefixes |= PREFIX_CS;
3368 break;
3369 case 0x36:
3370 prefixes |= PREFIX_SS;
3371 break;
3372 case 0x3e:
3373 prefixes |= PREFIX_DS;
3374 break;
3375 case 0x26:
3376 prefixes |= PREFIX_ES;
3377 break;
3378 case 0x64:
3379 prefixes |= PREFIX_FS;
3380 break;
3381 case 0x65:
3382 prefixes |= PREFIX_GS;
3383 break;
3384 case 0x66:
3385 prefixes |= PREFIX_DATA;
3386 break;
3387 case 0x67:
3388 prefixes |= PREFIX_ADDR;
3389 break;
3390 case FWAIT_OPCODE:
3391 /* fwait is really an instruction. If there are prefixes
3392 before the fwait, they belong to the fwait, *not* to the
3393 following instruction. */
3394 if (prefixes || rex)
3395 {
3396 prefixes |= PREFIX_FWAIT;
3397 codep++;
3398 return;
3399 }
3400 prefixes = PREFIX_FWAIT;
3401 break;
3402 default:
3403 return;
3404 }
3405 /* Rex is ignored when followed by another prefix. */
3406 if (rex)
3407 {
3408 rex_used = rex;
3409 return;
3410 }
3411 rex = newrex;
3412 codep++;
3413 }
3414 }
3415
3416 /* Return the name of the prefix byte PREF, or NULL if PREF is not a
3417 prefix byte. */
3418
3419 static const char *
3420 prefix_name (int pref, int sizeflag)
3421 {
3422 static const char * const rexes [16] =
3423 {
3424 "rex", /* 0x40 */
3425 "rex.B", /* 0x41 */
3426 "rex.X", /* 0x42 */
3427 "rex.XB", /* 0x43 */
3428 "rex.R", /* 0x44 */
3429 "rex.RB", /* 0x45 */
3430 "rex.RX", /* 0x46 */
3431 "rex.RXB", /* 0x47 */
3432 "rex.W", /* 0x48 */
3433 "rex.WB", /* 0x49 */
3434 "rex.WX", /* 0x4a */
3435 "rex.WXB", /* 0x4b */
3436 "rex.WR", /* 0x4c */
3437 "rex.WRB", /* 0x4d */
3438 "rex.WRX", /* 0x4e */
3439 "rex.WRXB", /* 0x4f */
3440 };
3441
3442 switch (pref)
3443 {
3444 /* REX prefixes family. */
3445 case 0x40:
3446 case 0x41:
3447 case 0x42:
3448 case 0x43:
3449 case 0x44:
3450 case 0x45:
3451 case 0x46:
3452 case 0x47:
3453 case 0x48:
3454 case 0x49:
3455 case 0x4a:
3456 case 0x4b:
3457 case 0x4c:
3458 case 0x4d:
3459 case 0x4e:
3460 case 0x4f:
3461 return rexes [pref - 0x40];
3462 case 0xf3:
3463 return "repz";
3464 case 0xf2:
3465 return "repnz";
3466 case 0xf0:
3467 return "lock";
3468 case 0x2e:
3469 return "cs";
3470 case 0x36:
3471 return "ss";
3472 case 0x3e:
3473 return "ds";
3474 case 0x26:
3475 return "es";
3476 case 0x64:
3477 return "fs";
3478 case 0x65:
3479 return "gs";
3480 case 0x66:
3481 return (sizeflag & DFLAG) ? "data16" : "data32";
3482 case 0x67:
3483 if (address_mode == mode_64bit)
3484 return (sizeflag & AFLAG) ? "addr32" : "addr64";
3485 else
3486 return (sizeflag & AFLAG) ? "addr16" : "addr32";
3487 case FWAIT_OPCODE:
3488 return "fwait";
3489 default:
3490 return NULL;
3491 }
3492 }
3493
3494 static char op_out[MAX_OPERANDS][100];
3495 static int op_ad, op_index[MAX_OPERANDS];
3496 static int two_source_ops;
3497 static bfd_vma op_address[MAX_OPERANDS];
3498 static bfd_vma op_riprel[MAX_OPERANDS];
3499 static bfd_vma start_pc;
3500
3501 /*
3502 * On the 386's of 1988, the maximum length of an instruction is 15 bytes.
3503 * (see topic "Redundant prefixes" in the "Differences from 8086"
3504 * section of the "Virtual 8086 Mode" chapter.)
3505 * 'pc' should be the address of this instruction, it will
3506 * be used to print the target address if this is a relative jump or call
3507 * The function returns the length of this instruction in bytes.
3508 */
3509
3510 static char intel_syntax;
3511 static char open_char;
3512 static char close_char;
3513 static char separator_char;
3514 static char scale_char;
3515
3516 int
3517 print_insn_i386 (bfd_vma pc, disassemble_info *info)
3518 {
3519 intel_syntax = -1;
3520
3521 return print_insn (pc, info);
3522 }
3523
3524 static int
3525 print_insn (bfd_vma pc, disassemble_info *info)
3526 {
3527 const struct dis386 *dp;
3528 int i;
3529 char *op_txt[MAX_OPERANDS];
3530 int needcomma;
3531 unsigned char uses_DATA_prefix, uses_LOCK_prefix;
3532 unsigned char uses_REPNZ_prefix, uses_REPZ_prefix;
3533 int sizeflag;
3534 const char *p;
3535 struct dis_private priv;
3536 unsigned char op;
3537
3538 if (info->mach == bfd_mach_x86_64_intel_syntax
3539 || info->mach == bfd_mach_x86_64)
3540 address_mode = mode_64bit;
3541 else
3542 address_mode = mode_32bit;
3543
3544 if (intel_syntax == (char) -1)
3545 intel_syntax = (info->mach == bfd_mach_i386_i386_intel_syntax
3546 || info->mach == bfd_mach_x86_64_intel_syntax);
3547
3548 if (info->mach == bfd_mach_i386_i386
3549 || info->mach == bfd_mach_x86_64
3550 || info->mach == bfd_mach_i386_i386_intel_syntax
3551 || info->mach == bfd_mach_x86_64_intel_syntax)
3552 priv.orig_sizeflag = AFLAG | DFLAG;
3553 else if (info->mach == bfd_mach_i386_i8086)
3554 priv.orig_sizeflag = 0;
3555 else
3556 abort ();
3557
3558 for (p = info->disassembler_options; p != NULL; )
3559 {
3560 if (strncmp (p, "x86-64", 6) == 0)
3561 {
3562 address_mode = mode_64bit;
3563 priv.orig_sizeflag = AFLAG | DFLAG;
3564 }
3565 else if (strncmp (p, "i386", 4) == 0)
3566 {
3567 address_mode = mode_32bit;
3568 priv.orig_sizeflag = AFLAG | DFLAG;
3569 }
3570 else if (strncmp (p, "i8086", 5) == 0)
3571 {
3572 address_mode = mode_16bit;
3573 priv.orig_sizeflag = 0;
3574 }
3575 else if (strncmp (p, "intel", 5) == 0)
3576 {
3577 intel_syntax = 1;
3578 }
3579 else if (strncmp (p, "att", 3) == 0)
3580 {
3581 intel_syntax = 0;
3582 }
3583 else if (strncmp (p, "addr", 4) == 0)
3584 {
3585 if (address_mode == mode_64bit)
3586 {
3587 if (p[4] == '3' && p[5] == '2')
3588 priv.orig_sizeflag &= ~AFLAG;
3589 else if (p[4] == '6' && p[5] == '4')
3590 priv.orig_sizeflag |= AFLAG;
3591 }
3592 else
3593 {
3594 if (p[4] == '1' && p[5] == '6')
3595 priv.orig_sizeflag &= ~AFLAG;
3596 else if (p[4] == '3' && p[5] == '2')
3597 priv.orig_sizeflag |= AFLAG;
3598 }
3599 }
3600 else if (strncmp (p, "data", 4) == 0)
3601 {
3602 if (p[4] == '1' && p[5] == '6')
3603 priv.orig_sizeflag &= ~DFLAG;
3604 else if (p[4] == '3' && p[5] == '2')
3605 priv.orig_sizeflag |= DFLAG;
3606 }
3607 else if (strncmp (p, "suffix", 6) == 0)
3608 priv.orig_sizeflag |= SUFFIX_ALWAYS;
3609
3610 p = strchr (p, ',');
3611 if (p != NULL)
3612 p++;
3613 }
3614
3615 if (intel_syntax)
3616 {
3617 names64 = intel_names64;
3618 names32 = intel_names32;
3619 names16 = intel_names16;
3620 names8 = intel_names8;
3621 names8rex = intel_names8rex;
3622 names_seg = intel_names_seg;
3623 index16 = intel_index16;
3624 open_char = '[';
3625 close_char = ']';
3626 separator_char = '+';
3627 scale_char = '*';
3628 }
3629 else
3630 {
3631 names64 = att_names64;
3632 names32 = att_names32;
3633 names16 = att_names16;
3634 names8 = att_names8;
3635 names8rex = att_names8rex;
3636 names_seg = att_names_seg;
3637 index16 = att_index16;
3638 open_char = '(';
3639 close_char = ')';
3640 separator_char = ',';
3641 scale_char = ',';
3642 }
3643
3644 /* The output looks better if we put 7 bytes on a line, since that
3645 puts most long word instructions on a single line. */
3646 info->bytes_per_line = 7;
3647
3648 info->private_data = &priv;
3649 priv.max_fetched = priv.the_buffer;
3650 priv.insn_start = pc;
3651
3652 obuf[0] = 0;
3653 for (i = 0; i < MAX_OPERANDS; ++i)
3654 {
3655 op_out[i][0] = 0;
3656 op_index[i] = -1;
3657 }
3658
3659 the_info = info;
3660 start_pc = pc;
3661 start_codep = priv.the_buffer;
3662 codep = priv.the_buffer;
3663
3664 if (setjmp (priv.bailout) != 0)
3665 {
3666 const char *name;
3667
3668 /* Getting here means we tried for data but didn't get it. That
3669 means we have an incomplete instruction of some sort. Just
3670 print the first byte as a prefix or a .byte pseudo-op. */
3671 if (codep > priv.the_buffer)
3672 {
3673 name = prefix_name (priv.the_buffer[0], priv.orig_sizeflag);
3674 if (name != NULL)
3675 (*info->fprintf_func) (info->stream, "%s", name);
3676 else
3677 {
3678 /* Just print the first byte as a .byte instruction. */
3679 (*info->fprintf_func) (info->stream, ".byte 0x%x",
3680 (unsigned int) priv.the_buffer[0]);
3681 }
3682
3683 return 1;
3684 }
3685
3686 return -1;
3687 }
3688
3689 obufp = obuf;
3690 ckprefix ();
3691
3692 insn_codep = codep;
3693 sizeflag = priv.orig_sizeflag;
3694
3695 fetch_data(info, codep + 1);
3696 two_source_ops = (*codep == 0x62) || (*codep == 0xc8);
3697
3698 if (((prefixes & PREFIX_FWAIT)
3699 && ((*codep < 0xd8) || (*codep > 0xdf)))
3700 || (rex && rex_used))
3701 {
3702 const char *name;
3703
3704 /* fwait not followed by floating point instruction, or rex followed
3705 by other prefixes. Print the first prefix. */
3706 name = prefix_name (priv.the_buffer[0], priv.orig_sizeflag);
3707 if (name == NULL)
3708 name = INTERNAL_DISASSEMBLER_ERROR;
3709 (*info->fprintf_func) (info->stream, "%s", name);
3710 return 1;
3711 }
3712
3713 op = 0;
3714 if (*codep == 0x0f)
3715 {
3716 unsigned char threebyte;
3717 fetch_data(info, codep + 2);
3718 threebyte = *++codep;
3719 dp = &dis386_twobyte[threebyte];
3720 need_modrm = twobyte_has_modrm[*codep];
3721 uses_DATA_prefix = twobyte_uses_DATA_prefix[*codep];
3722 uses_REPNZ_prefix = twobyte_uses_REPNZ_prefix[*codep];
3723 uses_REPZ_prefix = twobyte_uses_REPZ_prefix[*codep];
3724 uses_LOCK_prefix = (*codep & ~0x02) == 0x20;
3725 codep++;
3726 if (dp->name == NULL && dp->op[0].bytemode == IS_3BYTE_OPCODE)
3727 {
3728 fetch_data(info, codep + 2);
3729 op = *codep++;
3730 switch (threebyte)
3731 {
3732 case 0x38:
3733 uses_DATA_prefix = threebyte_0x38_uses_DATA_prefix[op];
3734 uses_REPNZ_prefix = threebyte_0x38_uses_REPNZ_prefix[op];
3735 uses_REPZ_prefix = threebyte_0x38_uses_REPZ_prefix[op];
3736 break;
3737 case 0x3a:
3738 uses_DATA_prefix = threebyte_0x3a_uses_DATA_prefix[op];
3739 uses_REPNZ_prefix = threebyte_0x3a_uses_REPNZ_prefix[op];
3740 uses_REPZ_prefix = threebyte_0x3a_uses_REPZ_prefix[op];
3741 break;
3742 default:
3743 break;
3744 }
3745 }
3746 }
3747 else
3748 {
3749 dp = &dis386[*codep];
3750 need_modrm = onebyte_has_modrm[*codep];
3751 uses_DATA_prefix = 0;
3752 uses_REPNZ_prefix = 0;
3753 /* pause is 0xf3 0x90. */
3754 uses_REPZ_prefix = *codep == 0x90;
3755 uses_LOCK_prefix = 0;
3756 codep++;
3757 }
3758
3759 if (!uses_REPZ_prefix && (prefixes & PREFIX_REPZ))
3760 {
3761 oappend ("repz ");
3762 used_prefixes |= PREFIX_REPZ;
3763 }
3764 if (!uses_REPNZ_prefix && (prefixes & PREFIX_REPNZ))
3765 {
3766 oappend ("repnz ");
3767 used_prefixes |= PREFIX_REPNZ;
3768 }
3769
3770 if (!uses_LOCK_prefix && (prefixes & PREFIX_LOCK))
3771 {
3772 oappend ("lock ");
3773 used_prefixes |= PREFIX_LOCK;
3774 }
3775
3776 if (prefixes & PREFIX_ADDR)
3777 {
3778 sizeflag ^= AFLAG;
3779 if (dp->op[2].bytemode != loop_jcxz_mode || intel_syntax)
3780 {
3781 if ((sizeflag & AFLAG) || address_mode == mode_64bit)
3782 oappend ("addr32 ");
3783 else
3784 oappend ("addr16 ");
3785 used_prefixes |= PREFIX_ADDR;
3786 }
3787 }
3788
3789 if (!uses_DATA_prefix && (prefixes & PREFIX_DATA))
3790 {
3791 sizeflag ^= DFLAG;
3792 if (dp->op[2].bytemode == cond_jump_mode
3793 && dp->op[0].bytemode == v_mode
3794 && !intel_syntax)
3795 {
3796 if (sizeflag & DFLAG)
3797 oappend ("data32 ");
3798 else
3799 oappend ("data16 ");
3800 used_prefixes |= PREFIX_DATA;
3801 }
3802 }
3803
3804 if (dp->name == NULL && dp->op[0].bytemode == IS_3BYTE_OPCODE)
3805 {
3806 dp = &three_byte_table[dp->op[1].bytemode][op];
3807 modrm.mod = (*codep >> 6) & 3;
3808 modrm.reg = (*codep >> 3) & 7;
3809 modrm.rm = *codep & 7;
3810 }
3811 else if (need_modrm)
3812 {
3813 fetch_data(info, codep + 1);
3814 modrm.mod = (*codep >> 6) & 3;
3815 modrm.reg = (*codep >> 3) & 7;
3816 modrm.rm = *codep & 7;
3817 }
3818
3819 if (dp->name == NULL && dp->op[0].bytemode == FLOATCODE)
3820 {
3821 dofloat (sizeflag);
3822 }
3823 else
3824 {
3825 int index;
3826 if (dp->name == NULL)
3827 {
3828 switch (dp->op[0].bytemode)
3829 {
3830 case USE_GROUPS:
3831 dp = &grps[dp->op[1].bytemode][modrm.reg];
3832 break;
3833
3834 case USE_PREFIX_USER_TABLE:
3835 index = 0;
3836 used_prefixes |= (prefixes & PREFIX_REPZ);
3837 if (prefixes & PREFIX_REPZ)
3838 index = 1;
3839 else
3840 {
3841 /* We should check PREFIX_REPNZ and PREFIX_REPZ
3842 before PREFIX_DATA. */
3843 used_prefixes |= (prefixes & PREFIX_REPNZ);
3844 if (prefixes & PREFIX_REPNZ)
3845 index = 3;
3846 else
3847 {
3848 used_prefixes |= (prefixes & PREFIX_DATA);
3849 if (prefixes & PREFIX_DATA)
3850 index = 2;
3851 }
3852 }
3853 dp = &prefix_user_table[dp->op[1].bytemode][index];
3854 break;
3855
3856 case X86_64_SPECIAL:
3857 index = address_mode == mode_64bit ? 1 : 0;
3858 dp = &x86_64_table[dp->op[1].bytemode][index];
3859 break;
3860
3861 default:
3862 oappend (INTERNAL_DISASSEMBLER_ERROR);
3863 break;
3864 }
3865 }
3866
3867 if (putop (dp->name, sizeflag) == 0)
3868 {
3869 for (i = 0; i < MAX_OPERANDS; ++i)
3870 {
3871 obufp = op_out[i];
3872 op_ad = MAX_OPERANDS - 1 - i;
3873 if (dp->op[i].rtn)
3874 (*dp->op[i].rtn) (dp->op[i].bytemode, sizeflag);
3875 }
3876 }
3877 }
3878
3879 /* See if any prefixes were not used. If so, print the first one
3880 separately. If we don't do this, we'll wind up printing an
3881 instruction stream which does not precisely correspond to the
3882 bytes we are disassembling. */
3883 if ((prefixes & ~used_prefixes) != 0)
3884 {
3885 const char *name;
3886
3887 name = prefix_name (priv.the_buffer[0], priv.orig_sizeflag);
3888 if (name == NULL)
3889 name = INTERNAL_DISASSEMBLER_ERROR;
3890 (*info->fprintf_func) (info->stream, "%s", name);
3891 return 1;
3892 }
3893 if (rex & ~rex_used)
3894 {
3895 const char *name;
3896 name = prefix_name (rex | 0x40, priv.orig_sizeflag);
3897 if (name == NULL)
3898 name = INTERNAL_DISASSEMBLER_ERROR;
3899 (*info->fprintf_func) (info->stream, "%s ", name);
3900 }
3901
3902 obufp = obuf + strlen (obuf);
3903 for (i = strlen (obuf); i < 6; i++)
3904 oappend (" ");
3905 oappend (" ");
3906 (*info->fprintf_func) (info->stream, "%s", obuf);
3907
3908 /* The enter and bound instructions are printed with operands in the same
3909 order as the intel book; everything else is printed in reverse order. */
3910 if (intel_syntax || two_source_ops)
3911 {
3912 bfd_vma riprel;
3913
3914 for (i = 0; i < MAX_OPERANDS; ++i)
3915 op_txt[i] = op_out[i];
3916
3917 for (i = 0; i < (MAX_OPERANDS >> 1); ++i)
3918 {
3919 op_ad = op_index[i];
3920 op_index[i] = op_index[MAX_OPERANDS - 1 - i];
3921 op_index[MAX_OPERANDS - 1 - i] = op_ad;
3922 riprel = op_riprel[i];
3923 op_riprel[i] = op_riprel [MAX_OPERANDS - 1 - i];
3924 op_riprel[MAX_OPERANDS - 1 - i] = riprel;
3925 }
3926 }
3927 else
3928 {
3929 for (i = 0; i < MAX_OPERANDS; ++i)
3930 op_txt[MAX_OPERANDS - 1 - i] = op_out[i];
3931 }
3932
3933 needcomma = 0;
3934 for (i = 0; i < MAX_OPERANDS; ++i)
3935 if (*op_txt[i])
3936 {
3937 if (needcomma)
3938 (*info->fprintf_func) (info->stream, ",");
3939 if (op_index[i] != -1 && !op_riprel[i])
3940 (*info->print_address_func) ((bfd_vma) op_address[op_index[i]], info);
3941 else
3942 (*info->fprintf_func) (info->stream, "%s", op_txt[i]);
3943 needcomma = 1;
3944 }
3945
3946 for (i = 0; i < MAX_OPERANDS; i++)
3947 if (op_index[i] != -1 && op_riprel[i])
3948 {
3949 (*info->fprintf_func) (info->stream, " # ");
3950 (*info->print_address_func) ((bfd_vma) (start_pc + codep - start_codep
3951 + op_address[op_index[i]]), info);
3952 break;
3953 }
3954 return codep - priv.the_buffer;
3955 }
3956
3957 static const char *float_mem[] = {
3958 /* d8 */
3959 "fadd{s||s|}",
3960 "fmul{s||s|}",
3961 "fcom{s||s|}",
3962 "fcomp{s||s|}",
3963 "fsub{s||s|}",
3964 "fsubr{s||s|}",
3965 "fdiv{s||s|}",
3966 "fdivr{s||s|}",
3967 /* d9 */
3968 "fld{s||s|}",
3969 "(bad)",
3970 "fst{s||s|}",
3971 "fstp{s||s|}",
3972 "fldenvIC",
3973 "fldcw",
3974 "fNstenvIC",
3975 "fNstcw",
3976 /* da */
3977 "fiadd{l||l|}",
3978 "fimul{l||l|}",
3979 "ficom{l||l|}",
3980 "ficomp{l||l|}",
3981 "fisub{l||l|}",
3982 "fisubr{l||l|}",
3983 "fidiv{l||l|}",
3984 "fidivr{l||l|}",
3985 /* db */
3986 "fild{l||l|}",
3987 "fisttp{l||l|}",
3988 "fist{l||l|}",
3989 "fistp{l||l|}",
3990 "(bad)",
3991 "fld{t||t|}",
3992 "(bad)",
3993 "fstp{t||t|}",
3994 /* dc */
3995 "fadd{l||l|}",
3996 "fmul{l||l|}",
3997 "fcom{l||l|}",
3998 "fcomp{l||l|}",
3999 "fsub{l||l|}",
4000 "fsubr{l||l|}",
4001 "fdiv{l||l|}",
4002 "fdivr{l||l|}",
4003 /* dd */
4004 "fld{l||l|}",
4005 "fisttp{ll||ll|}",
4006 "fst{l||l|}",
4007 "fstp{l||l|}",
4008 "frstorIC",
4009 "(bad)",
4010 "fNsaveIC",
4011 "fNstsw",
4012 /* de */
4013 "fiadd",
4014 "fimul",
4015 "ficom",
4016 "ficomp",
4017 "fisub",
4018 "fisubr",
4019 "fidiv",
4020 "fidivr",
4021 /* df */
4022 "fild",
4023 "fisttp",
4024 "fist",
4025 "fistp",
4026 "fbld",
4027 "fild{ll||ll|}",
4028 "fbstp",
4029 "fistp{ll||ll|}",
4030 };
4031
4032 static const unsigned char float_mem_mode[] = {
4033 /* d8 */
4034 d_mode,
4035 d_mode,
4036 d_mode,
4037 d_mode,
4038 d_mode,
4039 d_mode,
4040 d_mode,
4041 d_mode,
4042 /* d9 */
4043 d_mode,
4044 0,
4045 d_mode,
4046 d_mode,
4047 0,
4048 w_mode,
4049 0,
4050 w_mode,
4051 /* da */
4052 d_mode,
4053 d_mode,
4054 d_mode,
4055 d_mode,
4056 d_mode,
4057 d_mode,
4058 d_mode,
4059 d_mode,
4060 /* db */
4061 d_mode,
4062 d_mode,
4063 d_mode,
4064 d_mode,
4065 0,
4066 t_mode,
4067 0,
4068 t_mode,
4069 /* dc */
4070 q_mode,
4071 q_mode,
4072 q_mode,
4073 q_mode,
4074 q_mode,
4075 q_mode,
4076 q_mode,
4077 q_mode,
4078 /* dd */
4079 q_mode,
4080 q_mode,
4081 q_mode,
4082 q_mode,
4083 0,
4084 0,
4085 0,
4086 w_mode,
4087 /* de */
4088 w_mode,
4089 w_mode,
4090 w_mode,
4091 w_mode,
4092 w_mode,
4093 w_mode,
4094 w_mode,
4095 w_mode,
4096 /* df */
4097 w_mode,
4098 w_mode,
4099 w_mode,
4100 w_mode,
4101 t_mode,
4102 q_mode,
4103 t_mode,
4104 q_mode
4105 };
4106
4107 #define ST { OP_ST, 0 }
4108 #define STi { OP_STi, 0 }
4109
4110 #define FGRPd9_2 NULL, { { NULL, 0 } }
4111 #define FGRPd9_4 NULL, { { NULL, 1 } }
4112 #define FGRPd9_5 NULL, { { NULL, 2 } }
4113 #define FGRPd9_6 NULL, { { NULL, 3 } }
4114 #define FGRPd9_7 NULL, { { NULL, 4 } }
4115 #define FGRPda_5 NULL, { { NULL, 5 } }
4116 #define FGRPdb_4 NULL, { { NULL, 6 } }
4117 #define FGRPde_3 NULL, { { NULL, 7 } }
4118 #define FGRPdf_4 NULL, { { NULL, 8 } }
4119
4120 static const struct dis386 float_reg[][8] = {
4121 /* d8 */
4122 {
4123 { "fadd", { ST, STi } },
4124 { "fmul", { ST, STi } },
4125 { "fcom", { STi } },
4126 { "fcomp", { STi } },
4127 { "fsub", { ST, STi } },
4128 { "fsubr", { ST, STi } },
4129 { "fdiv", { ST, STi } },
4130 { "fdivr", { ST, STi } },
4131 },
4132 /* d9 */
4133 {
4134 { "fld", { STi } },
4135 { "fxch", { STi } },
4136 { FGRPd9_2 },
4137 { "(bad)", { XX } },
4138 { FGRPd9_4 },
4139 { FGRPd9_5 },
4140 { FGRPd9_6 },
4141 { FGRPd9_7 },
4142 },
4143 /* da */
4144 {
4145 { "fcmovb", { ST, STi } },
4146 { "fcmove", { ST, STi } },
4147 { "fcmovbe",{ ST, STi } },
4148 { "fcmovu", { ST, STi } },
4149 { "(bad)", { XX } },
4150 { FGRPda_5 },
4151 { "(bad)", { XX } },
4152 { "(bad)", { XX } },
4153 },
4154 /* db */
4155 {
4156 { "fcmovnb",{ ST, STi } },
4157 { "fcmovne",{ ST, STi } },
4158 { "fcmovnbe",{ ST, STi } },
4159 { "fcmovnu",{ ST, STi } },
4160 { FGRPdb_4 },
4161 { "fucomi", { ST, STi } },
4162 { "fcomi", { ST, STi } },
4163 { "(bad)", { XX } },
4164 },
4165 /* dc */
4166 {
4167 { "fadd", { STi, ST } },
4168 { "fmul", { STi, ST } },
4169 { "(bad)", { XX } },
4170 { "(bad)", { XX } },
4171 #if SYSV386_COMPAT
4172 { "fsub", { STi, ST } },
4173 { "fsubr", { STi, ST } },
4174 { "fdiv", { STi, ST } },
4175 { "fdivr", { STi, ST } },
4176 #else
4177 { "fsubr", { STi, ST } },
4178 { "fsub", { STi, ST } },
4179 { "fdivr", { STi, ST } },
4180 { "fdiv", { STi, ST } },
4181 #endif
4182 },
4183 /* dd */
4184 {
4185 { "ffree", { STi } },
4186 { "(bad)", { XX } },
4187 { "fst", { STi } },
4188 { "fstp", { STi } },
4189 { "fucom", { STi } },
4190 { "fucomp", { STi } },
4191 { "(bad)", { XX } },
4192 { "(bad)", { XX } },
4193 },
4194 /* de */
4195 {
4196 { "faddp", { STi, ST } },
4197 { "fmulp", { STi, ST } },
4198 { "(bad)", { XX } },
4199 { FGRPde_3 },
4200 #if SYSV386_COMPAT
4201 { "fsubp", { STi, ST } },
4202 { "fsubrp", { STi, ST } },
4203 { "fdivp", { STi, ST } },
4204 { "fdivrp", { STi, ST } },
4205 #else
4206 { "fsubrp", { STi, ST } },
4207 { "fsubp", { STi, ST } },
4208 { "fdivrp", { STi, ST } },
4209 { "fdivp", { STi, ST } },
4210 #endif
4211 },
4212 /* df */
4213 {
4214 { "ffreep", { STi } },
4215 { "(bad)", { XX } },
4216 { "(bad)", { XX } },
4217 { "(bad)", { XX } },
4218 { FGRPdf_4 },
4219 { "fucomip", { ST, STi } },
4220 { "fcomip", { ST, STi } },
4221 { "(bad)", { XX } },
4222 },
4223 };
4224
4225 static const char *fgrps[][8] = {
4226 /* d9_2 0 */
4227 {
4228 "fnop","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)",
4229 },
4230
4231 /* d9_4 1 */
4232 {
4233 "fchs","fabs","(bad)","(bad)","ftst","fxam","(bad)","(bad)",
4234 },
4235
4236 /* d9_5 2 */
4237 {
4238 "fld1","fldl2t","fldl2e","fldpi","fldlg2","fldln2","fldz","(bad)",
4239 },
4240
4241 /* d9_6 3 */
4242 {
4243 "f2xm1","fyl2x","fptan","fpatan","fxtract","fprem1","fdecstp","fincstp",
4244 },
4245
4246 /* d9_7 4 */
4247 {
4248 "fprem","fyl2xp1","fsqrt","fsincos","frndint","fscale","fsin","fcos",
4249 },
4250
4251 /* da_5 5 */
4252 {
4253 "(bad)","fucompp","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)",
4254 },
4255
4256 /* db_4 6 */
4257 {
4258 "feni(287 only)","fdisi(287 only)","fNclex","fNinit",
4259 "fNsetpm(287 only)","(bad)","(bad)","(bad)",
4260 },
4261
4262 /* de_3 7 */
4263 {
4264 "(bad)","fcompp","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)",
4265 },
4266
4267 /* df_4 8 */
4268 {
4269 "fNstsw","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)",
4270 },
4271 };
4272
4273 static void
4274 dofloat (int sizeflag)
4275 {
4276 const struct dis386 *dp;
4277 unsigned char floatop;
4278
4279 floatop = codep[-1];
4280
4281 if (modrm.mod != 3)
4282 {
4283 int fp_indx = (floatop - 0xd8) * 8 + modrm.reg;
4284
4285 putop (float_mem[fp_indx], sizeflag);
4286 obufp = op_out[0];
4287 op_ad = 2;
4288 OP_E (float_mem_mode[fp_indx], sizeflag);
4289 return;
4290 }
4291 /* Skip mod/rm byte. */
4292 MODRM_CHECK;
4293 codep++;
4294
4295 dp = &float_reg[floatop - 0xd8][modrm.reg];
4296 if (dp->name == NULL)
4297 {
4298 putop (fgrps[dp->op[0].bytemode][modrm.rm], sizeflag);
4299
4300 /* Instruction fnstsw is only one with strange arg. */
4301 if (floatop == 0xdf && codep[-1] == 0xe0)
4302 pstrcpy (op_out[0], sizeof(op_out[0]), names16[0]);
4303 }
4304 else
4305 {
4306 putop (dp->name, sizeflag);
4307
4308 obufp = op_out[0];
4309 op_ad = 2;
4310 if (dp->op[0].rtn)
4311 (*dp->op[0].rtn) (dp->op[0].bytemode, sizeflag);
4312
4313 obufp = op_out[1];
4314 op_ad = 1;
4315 if (dp->op[1].rtn)
4316 (*dp->op[1].rtn) (dp->op[1].bytemode, sizeflag);
4317 }
4318 }
4319
4320 static void
4321 OP_ST (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
4322 {
4323 oappend ("%st" + intel_syntax);
4324 }
4325
4326 static void
4327 OP_STi (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
4328 {
4329 snprintf (scratchbuf, sizeof(scratchbuf), "%%st(%d)", modrm.rm);
4330 oappend (scratchbuf + intel_syntax);
4331 }
4332
4333 /* Capital letters in template are macros. */
4334 static int
4335 putop (const char *template, int sizeflag)
4336 {
4337 const char *p;
4338 int alt = 0;
4339
4340 for (p = template; *p; p++)
4341 {
4342 switch (*p)
4343 {
4344 default:
4345 *obufp++ = *p;
4346 break;
4347 case '{':
4348 alt = 0;
4349 if (intel_syntax)
4350 alt += 1;
4351 if (address_mode == mode_64bit)
4352 alt += 2;
4353 while (alt != 0)
4354 {
4355 while (*++p != '|')
4356 {
4357 if (*p == '}')
4358 {
4359 /* Alternative not valid. */
4360 pstrcpy (obuf, sizeof(obuf), "(bad)");
4361 obufp = obuf + 5;
4362 return 1;
4363 }
4364 else if (*p == '\0')
4365 abort ();
4366 }
4367 alt--;
4368 }
4369 /* Fall through. */
4370 case 'I':
4371 alt = 1;
4372 continue;
4373 case '|':
4374 while (*++p != '}')
4375 {
4376 if (*p == '\0')
4377 abort ();
4378 }
4379 break;
4380 case '}':
4381 break;
4382 case 'A':
4383 if (intel_syntax)
4384 break;
4385 if (modrm.mod != 3 || (sizeflag & SUFFIX_ALWAYS))
4386 *obufp++ = 'b';
4387 break;
4388 case 'B':
4389 if (intel_syntax)
4390 break;
4391 if (sizeflag & SUFFIX_ALWAYS)
4392 *obufp++ = 'b';
4393 break;
4394 case 'C':
4395 if (intel_syntax && !alt)
4396 break;
4397 if ((prefixes & PREFIX_DATA) || (sizeflag & SUFFIX_ALWAYS))
4398 {
4399 if (sizeflag & DFLAG)
4400 *obufp++ = intel_syntax ? 'd' : 'l';
4401 else
4402 *obufp++ = intel_syntax ? 'w' : 's';
4403 used_prefixes |= (prefixes & PREFIX_DATA);
4404 }
4405 break;
4406 case 'D':
4407 if (intel_syntax || !(sizeflag & SUFFIX_ALWAYS))
4408 break;
4409 USED_REX (REX_W);
4410 if (modrm.mod == 3)
4411 {
4412 if (rex & REX_W)
4413 *obufp++ = 'q';
4414 else if (sizeflag & DFLAG)
4415 *obufp++ = intel_syntax ? 'd' : 'l';
4416 else
4417 *obufp++ = 'w';
4418 used_prefixes |= (prefixes & PREFIX_DATA);
4419 }
4420 else
4421 *obufp++ = 'w';
4422 break;
4423 case 'E': /* For jcxz/jecxz */
4424 if (address_mode == mode_64bit)
4425 {
4426 if (sizeflag & AFLAG)
4427 *obufp++ = 'r';
4428 else
4429 *obufp++ = 'e';
4430 }
4431 else
4432 if (sizeflag & AFLAG)
4433 *obufp++ = 'e';
4434 used_prefixes |= (prefixes & PREFIX_ADDR);
4435 break;
4436 case 'F':
4437 if (intel_syntax)
4438 break;
4439 if ((prefixes & PREFIX_ADDR) || (sizeflag & SUFFIX_ALWAYS))
4440 {
4441 if (sizeflag & AFLAG)
4442 *obufp++ = address_mode == mode_64bit ? 'q' : 'l';
4443 else
4444 *obufp++ = address_mode == mode_64bit ? 'l' : 'w';
4445 used_prefixes |= (prefixes & PREFIX_ADDR);
4446 }
4447 break;
4448 case 'G':
4449 if (intel_syntax || (obufp[-1] != 's' && !(sizeflag & SUFFIX_ALWAYS)))
4450 break;
4451 if ((rex & REX_W) || (sizeflag & DFLAG))
4452 *obufp++ = 'l';
4453 else
4454 *obufp++ = 'w';
4455 if (!(rex & REX_W))
4456 used_prefixes |= (prefixes & PREFIX_DATA);
4457 break;
4458 case 'H':
4459 if (intel_syntax)
4460 break;
4461 if ((prefixes & (PREFIX_CS | PREFIX_DS)) == PREFIX_CS
4462 || (prefixes & (PREFIX_CS | PREFIX_DS)) == PREFIX_DS)
4463 {
4464 used_prefixes |= prefixes & (PREFIX_CS | PREFIX_DS);
4465 *obufp++ = ',';
4466 *obufp++ = 'p';
4467 if (prefixes & PREFIX_DS)
4468 *obufp++ = 't';
4469 else
4470 *obufp++ = 'n';
4471 }
4472 break;
4473 case 'J':
4474 if (intel_syntax)
4475 break;
4476 *obufp++ = 'l';
4477 break;
4478 case 'K':
4479 USED_REX (REX_W);
4480 if (rex & REX_W)
4481 *obufp++ = 'q';
4482 else
4483 *obufp++ = 'd';
4484 break;
4485 case 'Z':
4486 if (intel_syntax)
4487 break;
4488 if (address_mode == mode_64bit && (sizeflag & SUFFIX_ALWAYS))
4489 {
4490 *obufp++ = 'q';
4491 break;
4492 }
4493 /* Fall through. */
4494 case 'L':
4495 if (intel_syntax)
4496 break;
4497 if (sizeflag & SUFFIX_ALWAYS)
4498 *obufp++ = 'l';
4499 break;
4500 case 'N':
4501 if ((prefixes & PREFIX_FWAIT) == 0)
4502 *obufp++ = 'n';
4503 else
4504 used_prefixes |= PREFIX_FWAIT;
4505 break;
4506 case 'O':
4507 USED_REX (REX_W);
4508 if (rex & REX_W)
4509 *obufp++ = 'o';
4510 else if (intel_syntax && (sizeflag & DFLAG))
4511 *obufp++ = 'q';
4512 else
4513 *obufp++ = 'd';
4514 if (!(rex & REX_W))
4515 used_prefixes |= (prefixes & PREFIX_DATA);
4516 break;
4517 case 'T':
4518 if (intel_syntax)
4519 break;
4520 if (address_mode == mode_64bit && (sizeflag & DFLAG))
4521 {
4522 *obufp++ = 'q';
4523 break;
4524 }
4525 /* Fall through. */
4526 case 'P':
4527 if (intel_syntax)
4528 break;
4529 if ((prefixes & PREFIX_DATA)
4530 || (rex & REX_W)
4531 || (sizeflag & SUFFIX_ALWAYS))
4532 {
4533 USED_REX (REX_W);
4534 if (rex & REX_W)
4535 *obufp++ = 'q';
4536 else
4537 {
4538 if (sizeflag & DFLAG)
4539 *obufp++ = 'l';
4540 else
4541 *obufp++ = 'w';
4542 }
4543 used_prefixes |= (prefixes & PREFIX_DATA);
4544 }
4545 break;
4546 case 'U':
4547 if (intel_syntax)
4548 break;
4549 if (address_mode == mode_64bit && (sizeflag & DFLAG))
4550 {
4551 if (modrm.mod != 3 || (sizeflag & SUFFIX_ALWAYS))
4552 *obufp++ = 'q';
4553 break;
4554 }
4555 /* Fall through. */
4556 case 'Q':
4557 if (intel_syntax && !alt)
4558 break;
4559 USED_REX (REX_W);
4560 if (modrm.mod != 3 || (sizeflag & SUFFIX_ALWAYS))
4561 {
4562 if (rex & REX_W)
4563 *obufp++ = 'q';
4564 else
4565 {
4566 if (sizeflag & DFLAG)
4567 *obufp++ = intel_syntax ? 'd' : 'l';
4568 else
4569 *obufp++ = 'w';
4570 }
4571 used_prefixes |= (prefixes & PREFIX_DATA);
4572 }
4573 break;
4574 case 'R':
4575 USED_REX (REX_W);
4576 if (rex & REX_W)
4577 *obufp++ = 'q';
4578 else if (sizeflag & DFLAG)
4579 {
4580 if (intel_syntax)
4581 *obufp++ = 'd';
4582 else
4583 *obufp++ = 'l';
4584 }
4585 else
4586 *obufp++ = 'w';
4587 if (intel_syntax && !p[1]
4588 && ((rex & REX_W) || (sizeflag & DFLAG)))
4589 *obufp++ = 'e';
4590 if (!(rex & REX_W))
4591 used_prefixes |= (prefixes & PREFIX_DATA);
4592 break;
4593 case 'V':
4594 if (intel_syntax)
4595 break;
4596 if (address_mode == mode_64bit && (sizeflag & DFLAG))
4597 {
4598 if (sizeflag & SUFFIX_ALWAYS)
4599 *obufp++ = 'q';
4600 break;
4601 }
4602 /* Fall through. */
4603 case 'S':
4604 if (intel_syntax)
4605 break;
4606 if (sizeflag & SUFFIX_ALWAYS)
4607 {
4608 if (rex & REX_W)
4609 *obufp++ = 'q';
4610 else
4611 {
4612 if (sizeflag & DFLAG)
4613 *obufp++ = 'l';
4614 else
4615 *obufp++ = 'w';
4616 used_prefixes |= (prefixes & PREFIX_DATA);
4617 }
4618 }
4619 break;
4620 case 'X':
4621 if (prefixes & PREFIX_DATA)
4622 *obufp++ = 'd';
4623 else
4624 *obufp++ = 's';
4625 used_prefixes |= (prefixes & PREFIX_DATA);
4626 break;
4627 case 'Y':
4628 if (intel_syntax)
4629 break;
4630 if (rex & REX_W)
4631 {
4632 USED_REX (REX_W);
4633 *obufp++ = 'q';
4634 }
4635 break;
4636 /* implicit operand size 'l' for i386 or 'q' for x86-64 */
4637 case 'W':
4638 /* operand size flag for cwtl, cbtw */
4639 USED_REX (REX_W);
4640 if (rex & REX_W)
4641 {
4642 if (intel_syntax)
4643 *obufp++ = 'd';
4644 else
4645 *obufp++ = 'l';
4646 }
4647 else if (sizeflag & DFLAG)
4648 *obufp++ = 'w';
4649 else
4650 *obufp++ = 'b';
4651 if (!(rex & REX_W))
4652 used_prefixes |= (prefixes & PREFIX_DATA);
4653 break;
4654 }
4655 alt = 0;
4656 }
4657 *obufp = 0;
4658 return 0;
4659 }
4660
4661 static void
4662 oappend (const char *s)
4663 {
4664 strcpy (obufp, s);
4665 obufp += strlen (s);
4666 }
4667
4668 static void
4669 append_seg (void)
4670 {
4671 if (prefixes & PREFIX_CS)
4672 {
4673 used_prefixes |= PREFIX_CS;
4674 oappend ("%cs:" + intel_syntax);
4675 }
4676 if (prefixes & PREFIX_DS)
4677 {
4678 used_prefixes |= PREFIX_DS;
4679 oappend ("%ds:" + intel_syntax);
4680 }
4681 if (prefixes & PREFIX_SS)
4682 {
4683 used_prefixes |= PREFIX_SS;
4684 oappend ("%ss:" + intel_syntax);
4685 }
4686 if (prefixes & PREFIX_ES)
4687 {
4688 used_prefixes |= PREFIX_ES;
4689 oappend ("%es:" + intel_syntax);
4690 }
4691 if (prefixes & PREFIX_FS)
4692 {
4693 used_prefixes |= PREFIX_FS;
4694 oappend ("%fs:" + intel_syntax);
4695 }
4696 if (prefixes & PREFIX_GS)
4697 {
4698 used_prefixes |= PREFIX_GS;
4699 oappend ("%gs:" + intel_syntax);
4700 }
4701 }
4702
4703 static void
4704 OP_indirE (int bytemode, int sizeflag)
4705 {
4706 if (!intel_syntax)
4707 oappend ("*");
4708 OP_E (bytemode, sizeflag);
4709 }
4710
4711 static void
4712 print_operand_value (char *buf, size_t bufsize, int hex, bfd_vma disp)
4713 {
4714 if (address_mode == mode_64bit)
4715 {
4716 if (hex)
4717 {
4718 char tmp[30];
4719 int i;
4720 buf[0] = '0';
4721 buf[1] = 'x';
4722 snprintf_vma (tmp, sizeof(tmp), disp);
4723 for (i = 0; tmp[i] == '0' && tmp[i + 1]; i++);
4724 pstrcpy (buf + 2, bufsize - 2, tmp + i);
4725 }
4726 else
4727 {
4728 bfd_signed_vma v = disp;
4729 char tmp[30];
4730 int i;
4731 if (v < 0)
4732 {
4733 *(buf++) = '-';
4734 v = -disp;
4735 /* Check for possible overflow on 0x8000000000000000. */
4736 if (v < 0)
4737 {
4738 pstrcpy (buf, bufsize, "9223372036854775808");
4739 return;
4740 }
4741 }
4742 if (!v)
4743 {
4744 pstrcpy (buf, bufsize, "0");
4745 return;
4746 }
4747
4748 i = 0;
4749 tmp[29] = 0;
4750 while (v)
4751 {
4752 tmp[28 - i] = (v % 10) + '0';
4753 v /= 10;
4754 i++;
4755 }
4756 pstrcpy (buf, bufsize, tmp + 29 - i);
4757 }
4758 }
4759 else
4760 {
4761 if (hex)
4762 snprintf (buf, bufsize, "0x%x", (unsigned int) disp);
4763 else
4764 snprintf (buf, bufsize, "%d", (int) disp);
4765 }
4766 }
4767
4768 /* Put DISP in BUF as signed hex number. */
4769
4770 static void
4771 print_displacement (char *buf, bfd_vma disp)
4772 {
4773 bfd_signed_vma val = disp;
4774 char tmp[30];
4775 int i, j = 0;
4776
4777 if (val < 0)
4778 {
4779 buf[j++] = '-';
4780 val = -disp;
4781
4782 /* Check for possible overflow. */
4783 if (val < 0)
4784 {
4785 switch (address_mode)
4786 {
4787 case mode_64bit:
4788 strcpy (buf + j, "0x8000000000000000");
4789 break;
4790 case mode_32bit:
4791 strcpy (buf + j, "0x80000000");
4792 break;
4793 case mode_16bit:
4794 strcpy (buf + j, "0x8000");
4795 break;
4796 }
4797 return;
4798 }
4799 }
4800
4801 buf[j++] = '0';
4802 buf[j++] = 'x';
4803
4804 snprintf_vma (tmp, sizeof(tmp), val);
4805 for (i = 0; tmp[i] == '0'; i++)
4806 continue;
4807 if (tmp[i] == '\0')
4808 i--;
4809 strcpy (buf + j, tmp + i);
4810 }
4811
4812 static void
4813 intel_operand_size (int bytemode, int sizeflag)
4814 {
4815 switch (bytemode)
4816 {
4817 case b_mode:
4818 case dqb_mode:
4819 oappend ("BYTE PTR ");
4820 break;
4821 case w_mode:
4822 case dqw_mode:
4823 oappend ("WORD PTR ");
4824 break;
4825 case stack_v_mode:
4826 if (address_mode == mode_64bit && (sizeflag & DFLAG))
4827 {
4828 oappend ("QWORD PTR ");
4829 used_prefixes |= (prefixes & PREFIX_DATA);
4830 break;
4831 }
4832 /* FALLTHRU */
4833 case v_mode:
4834 case dq_mode:
4835 USED_REX (REX_W);
4836 if (rex & REX_W)
4837 oappend ("QWORD PTR ");
4838 else if ((sizeflag & DFLAG) || bytemode == dq_mode)
4839 oappend ("DWORD PTR ");
4840 else
4841 oappend ("WORD PTR ");
4842 used_prefixes |= (prefixes & PREFIX_DATA);
4843 break;
4844 case z_mode:
4845 if ((rex & REX_W) || (sizeflag & DFLAG))
4846 *obufp++ = 'D';
4847 oappend ("WORD PTR ");
4848 if (!(rex & REX_W))
4849 used_prefixes |= (prefixes & PREFIX_DATA);
4850 break;
4851 case d_mode:
4852 case dqd_mode:
4853 oappend ("DWORD PTR ");
4854 break;
4855 case q_mode:
4856 oappend ("QWORD PTR ");
4857 break;
4858 case m_mode:
4859 if (address_mode == mode_64bit)
4860 oappend ("QWORD PTR ");
4861 else
4862 oappend ("DWORD PTR ");
4863 break;
4864 case f_mode:
4865 if (sizeflag & DFLAG)
4866 oappend ("FWORD PTR ");
4867 else
4868 oappend ("DWORD PTR ");
4869 used_prefixes |= (prefixes & PREFIX_DATA);
4870 break;
4871 case t_mode:
4872 oappend ("TBYTE PTR ");
4873 break;
4874 case x_mode:
4875 oappend ("XMMWORD PTR ");
4876 break;
4877 case o_mode:
4878 oappend ("OWORD PTR ");
4879 break;
4880 default:
4881 break;
4882 }
4883 }
4884
4885 static void
4886 OP_E (int bytemode, int sizeflag)
4887 {
4888 bfd_vma disp;
4889 int add = 0;
4890 int riprel = 0;
4891 USED_REX (REX_B);
4892 if (rex & REX_B)
4893 add += 8;
4894
4895 /* Skip mod/rm byte. */
4896 MODRM_CHECK;
4897 codep++;
4898
4899 if (modrm.mod == 3)
4900 {
4901 switch (bytemode)
4902 {
4903 case b_mode:
4904 USED_REX (0);
4905 if (rex)
4906 oappend (names8rex[modrm.rm + add]);
4907 else
4908 oappend (names8[modrm.rm + add]);
4909 break;
4910 case w_mode:
4911 oappend (names16[modrm.rm + add]);
4912 break;
4913 case d_mode:
4914 oappend (names32[modrm.rm + add]);
4915 break;
4916 case q_mode:
4917 oappend (names64[modrm.rm + add]);
4918 break;
4919 case m_mode:
4920 if (address_mode == mode_64bit)
4921 oappend (names64[modrm.rm + add]);
4922 else
4923 oappend (names32[modrm.rm + add]);
4924 break;
4925 case stack_v_mode:
4926 if (address_mode == mode_64bit && (sizeflag & DFLAG))
4927 {
4928 oappend (names64[modrm.rm + add]);
4929 used_prefixes |= (prefixes & PREFIX_DATA);
4930 break;
4931 }
4932 bytemode = v_mode;
4933 /* FALLTHRU */
4934 case v_mode:
4935 case dq_mode:
4936 case dqb_mode:
4937 case dqd_mode:
4938 case dqw_mode:
4939 USED_REX (REX_W);
4940 if (rex & REX_W)
4941 oappend (names64[modrm.rm + add]);
4942 else if ((sizeflag & DFLAG) || bytemode != v_mode)
4943 oappend (names32[modrm.rm + add]);
4944 else
4945 oappend (names16[modrm.rm + add]);
4946 used_prefixes |= (prefixes & PREFIX_DATA);
4947 break;
4948 case 0:
4949 break;
4950 default:
4951 oappend (INTERNAL_DISASSEMBLER_ERROR);
4952 break;
4953 }
4954 return;
4955 }
4956
4957 disp = 0;
4958 if (intel_syntax)
4959 intel_operand_size (bytemode, sizeflag);
4960 append_seg ();
4961
4962 if ((sizeflag & AFLAG) || address_mode == mode_64bit)
4963 {
4964 /* 32/64 bit address mode */
4965 int havedisp;
4966 int havesib;
4967 int havebase;
4968 int base;
4969 int index = 0;
4970 int scale = 0;
4971
4972 havesib = 0;
4973 havebase = 1;
4974 base = modrm.rm;
4975
4976 if (base == 4)
4977 {
4978 havesib = 1;
4979 fetch_data(the_info, codep + 1);
4980 index = (*codep >> 3) & 7;
4981 if (address_mode == mode_64bit || index != 0x4)
4982 /* When INDEX == 0x4 in 32 bit mode, SCALE is ignored. */
4983 scale = (*codep >> 6) & 3;
4984 base = *codep & 7;
4985 USED_REX (REX_X);
4986 if (rex & REX_X)
4987 index += 8;
4988 codep++;
4989 }
4990 base += add;
4991
4992 switch (modrm.mod)
4993 {
4994 case 0:
4995 if ((base & 7) == 5)
4996 {
4997 havebase = 0;
4998 if (address_mode == mode_64bit && !havesib)
4999 riprel = 1;
5000 disp = get32s ();
5001 }
5002 break;
5003 case 1:
5004 fetch_data (the_info, codep + 1);
5005 disp = *codep++;
5006 if ((disp & 0x80) != 0)
5007 disp -= 0x100;
5008 break;
5009 case 2:
5010 disp = get32s ();
5011 break;
5012 }
5013
5014 havedisp = havebase || (havesib && (index != 4 || scale != 0));
5015
5016 if (!intel_syntax)
5017 if (modrm.mod != 0 || (base & 7) == 5)
5018 {
5019 if (havedisp || riprel)
5020 print_displacement (scratchbuf, disp);
5021 else
5022 print_operand_value (scratchbuf, sizeof(scratchbuf), 1, disp);
5023 oappend (scratchbuf);
5024 if (riprel)
5025 {
5026 set_op (disp, 1);
5027 oappend ("(%rip)");
5028 }
5029 }
5030
5031 if (havedisp || (intel_syntax && riprel))
5032 {
5033 *obufp++ = open_char;
5034 if (intel_syntax && riprel)
5035 {
5036 set_op (disp, 1);
5037 oappend ("rip");
5038 }
5039 *obufp = '\0';
5040 if (havebase)
5041 oappend (address_mode == mode_64bit && (sizeflag & AFLAG)
5042 ? names64[base] : names32[base]);
5043 if (havesib)
5044 {
5045 if (index != 4)
5046 {
5047 if (!intel_syntax || havebase)
5048 {
5049 *obufp++ = separator_char;
5050 *obufp = '\0';
5051 }
5052 oappend (address_mode == mode_64bit && (sizeflag & AFLAG)
5053 ? names64[index] : names32[index]);
5054 }
5055 if (scale != 0 || (!intel_syntax && index != 4))
5056 {
5057 *obufp++ = scale_char;
5058 *obufp = '\0';
5059 snprintf (scratchbuf, sizeof(scratchbuf), "%d", 1 << scale);
5060 oappend (scratchbuf);
5061 }
5062 }
5063 if (intel_syntax
5064 && (disp || modrm.mod != 0 || (base & 7) == 5))
5065 {
5066 if ((bfd_signed_vma) disp >= 0)
5067 {
5068 *obufp++ = '+';
5069 *obufp = '\0';
5070 }
5071 else if (modrm.mod != 1)
5072 {
5073 *obufp++ = '-';
5074 *obufp = '\0';
5075 disp = - (bfd_signed_vma) disp;
5076 }
5077
5078 print_displacement (scratchbuf, disp);
5079 oappend (scratchbuf);
5080 }
5081
5082 *obufp++ = close_char;
5083 *obufp = '\0';
5084 }
5085 else if (intel_syntax)
5086 {
5087 if (modrm.mod != 0 || (base & 7) == 5)
5088 {
5089 if (prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS
5090 | PREFIX_ES | PREFIX_FS | PREFIX_GS))
5091 ;
5092 else
5093 {
5094 oappend (names_seg[ds_reg - es_reg]);
5095 oappend (":");
5096 }
5097 print_operand_value (scratchbuf, sizeof(scratchbuf), 1, disp);
5098 oappend (scratchbuf);
5099 }
5100 }
5101 }
5102 else
5103 { /* 16 bit address mode */
5104 switch (modrm.mod)
5105 {
5106 case 0:
5107 if (modrm.rm == 6)
5108 {
5109 disp = get16 ();
5110 if ((disp & 0x8000) != 0)
5111 disp -= 0x10000;
5112 }
5113 break;
5114 case 1:
5115 fetch_data(the_info, codep + 1);
5116 disp = *codep++;
5117 if ((disp & 0x80) != 0)
5118 disp -= 0x100;
5119 break;
5120 case 2:
5121 disp = get16 ();
5122 if ((disp & 0x8000) != 0)
5123 disp -= 0x10000;
5124 break;
5125 }
5126
5127 if (!intel_syntax)
5128 if (modrm.mod != 0 || modrm.rm == 6)
5129 {
5130 print_displacement (scratchbuf, disp);
5131 oappend (scratchbuf);
5132 }
5133
5134 if (modrm.mod != 0 || modrm.rm != 6)
5135 {
5136 *obufp++ = open_char;
5137 *obufp = '\0';
5138 oappend (index16[modrm.rm]);
5139 if (intel_syntax
5140 && (disp || modrm.mod != 0 || modrm.rm == 6))
5141 {
5142 if ((bfd_signed_vma) disp >= 0)
5143 {
5144 *obufp++ = '+';
5145 *obufp = '\0';
5146 }
5147 else if (modrm.mod != 1)
5148 {
5149 *obufp++ = '-';
5150 *obufp = '\0';
5151 disp = - (bfd_signed_vma) disp;
5152 }
5153
5154 print_displacement (scratchbuf, disp);
5155 oappend (scratchbuf);
5156 }
5157
5158 *obufp++ = close_char;
5159 *obufp = '\0';
5160 }
5161 else if (intel_syntax)
5162 {
5163 if (prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS
5164 | PREFIX_ES | PREFIX_FS | PREFIX_GS))
5165 ;
5166 else
5167 {
5168 oappend (names_seg[ds_reg - es_reg]);
5169 oappend (":");
5170 }
5171 print_operand_value (scratchbuf, sizeof(scratchbuf), 1,
5172 disp & 0xffff);
5173 oappend (scratchbuf);
5174 }
5175 }
5176 }
5177
5178 static void
5179 OP_G (int bytemode, int sizeflag)
5180 {
5181 int add = 0;
5182 USED_REX (REX_R);
5183 if (rex & REX_R)
5184 add += 8;
5185 switch (bytemode)
5186 {
5187 case b_mode:
5188 USED_REX (0);
5189 if (rex)
5190 oappend (names8rex[modrm.reg + add]);
5191 else
5192 oappend (names8[modrm.reg + add]);
5193 break;
5194 case w_mode:
5195 oappend (names16[modrm.reg + add]);
5196 break;
5197 case d_mode:
5198 oappend (names32[modrm.reg + add]);
5199 break;
5200 case q_mode:
5201 oappend (names64[modrm.reg + add]);
5202 break;
5203 case v_mode:
5204 case dq_mode:
5205 case dqb_mode:
5206 case dqd_mode:
5207 case dqw_mode:
5208 USED_REX (REX_W);
5209 if (rex & REX_W)
5210 oappend (names64[modrm.reg + add]);
5211 else if ((sizeflag & DFLAG) || bytemode != v_mode)
5212 oappend (names32[modrm.reg + add]);
5213 else
5214 oappend (names16[modrm.reg + add]);
5215 used_prefixes |= (prefixes & PREFIX_DATA);
5216 break;
5217 case m_mode:
5218 if (address_mode == mode_64bit)
5219 oappend (names64[modrm.reg + add]);
5220 else
5221 oappend (names32[modrm.reg + add]);
5222 break;
5223 default:
5224 oappend (INTERNAL_DISASSEMBLER_ERROR);
5225 break;
5226 }
5227 }
5228
5229 static bfd_vma
5230 get64 (void)
5231 {
5232 bfd_vma x;
5233 #ifdef BFD64
5234 unsigned int a;
5235 unsigned int b;
5236
5237 fetch_data(the_info, codep + 8);
5238 a = *codep++ & 0xff;
5239 a |= (*codep++ & 0xff) << 8;
5240 a |= (*codep++ & 0xff) << 16;
5241 a |= (*codep++ & 0xff) << 24;
5242 b = *codep++ & 0xff;
5243 b |= (*codep++ & 0xff) << 8;
5244 b |= (*codep++ & 0xff) << 16;
5245 b |= (*codep++ & 0xff) << 24;
5246 x = a + ((bfd_vma) b << 32);
5247 #else
5248 abort ();
5249 x = 0;
5250 #endif
5251 return x;
5252 }
5253
5254 static bfd_signed_vma
5255 get32 (void)
5256 {
5257 bfd_signed_vma x = 0;
5258
5259 fetch_data(the_info, codep + 4);
5260 x = *codep++ & (bfd_signed_vma) 0xff;
5261 x |= (*codep++ & (bfd_signed_vma) 0xff) << 8;
5262 x |= (*codep++ & (bfd_signed_vma) 0xff) << 16;
5263 x |= (*codep++ & (bfd_signed_vma) 0xff) << 24;
5264 return x;
5265 }
5266
5267 static bfd_signed_vma
5268 get32s (void)
5269 {
5270 bfd_signed_vma x = 0;
5271
5272 fetch_data(the_info, codep + 4);
5273 x = *codep++ & (bfd_signed_vma) 0xff;
5274 x |= (*codep++ & (bfd_signed_vma) 0xff) << 8;
5275 x |= (*codep++ & (bfd_signed_vma) 0xff) << 16;
5276 x |= (*codep++ & (bfd_signed_vma) 0xff) << 24;
5277
5278 x = (x ^ ((bfd_signed_vma) 1 << 31)) - ((bfd_signed_vma) 1 << 31);
5279
5280 return x;
5281 }
5282
5283 static int
5284 get16 (void)
5285 {
5286 int x = 0;
5287
5288 fetch_data(the_info, codep + 2);
5289 x = *codep++ & 0xff;
5290 x |= (*codep++ & 0xff) << 8;
5291 return x;
5292 }
5293
5294 static void
5295 set_op (bfd_vma op, int riprel)
5296 {
5297 op_index[op_ad] = op_ad;
5298 if (address_mode == mode_64bit)
5299 {
5300 op_address[op_ad] = op;
5301 op_riprel[op_ad] = riprel;
5302 }
5303 else
5304 {
5305 /* Mask to get a 32-bit address. */
5306 op_address[op_ad] = op & 0xffffffff;
5307 op_riprel[op_ad] = riprel & 0xffffffff;
5308 }
5309 }
5310
5311 static void
5312 OP_REG (int code, int sizeflag)
5313 {
5314 const char *s;
5315 int add = 0;
5316 USED_REX (REX_B);
5317 if (rex & REX_B)
5318 add = 8;
5319
5320 switch (code)
5321 {
5322 case ax_reg: case cx_reg: case dx_reg: case bx_reg:
5323 case sp_reg: case bp_reg: case si_reg: case di_reg:
5324 s = names16[code - ax_reg + add];
5325 break;
5326 case es_reg: case ss_reg: case cs_reg:
5327 case ds_reg: case fs_reg: case gs_reg:
5328 s = names_seg[code - es_reg + add];
5329 break;
5330 case al_reg: case ah_reg: case cl_reg: case ch_reg:
5331 case dl_reg: case dh_reg: case bl_reg: case bh_reg:
5332 USED_REX (0);
5333 if (rex)
5334 s = names8rex[code - al_reg + add];
5335 else
5336 s = names8[code - al_reg];
5337 break;
5338 case rAX_reg: case rCX_reg: case rDX_reg: case rBX_reg:
5339 case rSP_reg: case rBP_reg: case rSI_reg: case rDI_reg:
5340 if (address_mode == mode_64bit && (sizeflag & DFLAG))
5341 {
5342 s = names64[code - rAX_reg + add];
5343 break;
5344 }
5345 code += eAX_reg - rAX_reg;
5346 /* Fall through. */
5347 case eAX_reg: case eCX_reg: case eDX_reg: case eBX_reg:
5348 case eSP_reg: case eBP_reg: case eSI_reg: case eDI_reg:
5349 USED_REX (REX_W);
5350 if (rex & REX_W)
5351 s = names64[code - eAX_reg + add];
5352 else if (sizeflag & DFLAG)
5353 s = names32[code - eAX_reg + add];
5354 else
5355 s = names16[code - eAX_reg + add];
5356 used_prefixes |= (prefixes & PREFIX_DATA);
5357 break;
5358 default:
5359 s = INTERNAL_DISASSEMBLER_ERROR;
5360 break;
5361 }
5362 oappend (s);
5363 }
5364
5365 static void
5366 OP_IMREG (int code, int sizeflag)
5367 {
5368 const char *s;
5369
5370 switch (code)
5371 {
5372 case indir_dx_reg:
5373 if (intel_syntax)
5374 s = "dx";
5375 else
5376 s = "(%dx)";
5377 break;
5378 case ax_reg: case cx_reg: case dx_reg: case bx_reg:
5379 case sp_reg: case bp_reg: case si_reg: case di_reg:
5380 s = names16[code - ax_reg];
5381 break;
5382 case es_reg: case ss_reg: case cs_reg:
5383 case ds_reg: case fs_reg: case gs_reg:
5384 s = names_seg[code - es_reg];
5385 break;
5386 case al_reg: case ah_reg: case cl_reg: case ch_reg:
5387 case dl_reg: case dh_reg: case bl_reg: case bh_reg:
5388 USED_REX (0);
5389 if (rex)
5390 s = names8rex[code - al_reg];
5391 else
5392 s = names8[code - al_reg];
5393 break;
5394 case eAX_reg: case eCX_reg: case eDX_reg: case eBX_reg:
5395 case eSP_reg: case eBP_reg: case eSI_reg: case eDI_reg:
5396 USED_REX (REX_W);
5397 if (rex & REX_W)
5398 s = names64[code - eAX_reg];
5399 else if (sizeflag & DFLAG)
5400 s = names32[code - eAX_reg];
5401 else
5402 s = names16[code - eAX_reg];
5403 used_prefixes |= (prefixes & PREFIX_DATA);
5404 break;
5405 case z_mode_ax_reg:
5406 if ((rex & REX_W) || (sizeflag & DFLAG))
5407 s = *names32;
5408 else
5409 s = *names16;
5410 if (!(rex & REX_W))
5411 used_prefixes |= (prefixes & PREFIX_DATA);
5412 break;
5413 default:
5414 s = INTERNAL_DISASSEMBLER_ERROR;
5415 break;
5416 }
5417 oappend (s);
5418 }
5419
5420 static void
5421 OP_I (int bytemode, int sizeflag)
5422 {
5423 bfd_signed_vma op;
5424 bfd_signed_vma mask = -1;
5425
5426 switch (bytemode)
5427 {
5428 case b_mode:
5429 fetch_data(the_info, codep + 1);
5430 op = *codep++;
5431 mask = 0xff;
5432 break;
5433 case q_mode:
5434 if (address_mode == mode_64bit)
5435 {
5436 op = get32s ();
5437 break;
5438 }
5439 /* Fall through. */
5440 case v_mode:
5441 USED_REX (REX_W);
5442 if (rex & REX_W)
5443 op = get32s ();
5444 else if (sizeflag & DFLAG)
5445 {
5446 op = get32 ();
5447 mask = 0xffffffff;
5448 }
5449 else
5450 {
5451 op = get16 ();
5452 mask = 0xfffff;
5453 }
5454 used_prefixes |= (prefixes & PREFIX_DATA);
5455 break;
5456 case w_mode:
5457 mask = 0xfffff;
5458 op = get16 ();
5459 break;
5460 case const_1_mode:
5461 if (intel_syntax)
5462 oappend ("1");
5463 return;
5464 default:
5465 oappend (INTERNAL_DISASSEMBLER_ERROR);
5466 return;
5467 }
5468
5469 op &= mask;
5470 scratchbuf[0] = '$';
5471 print_operand_value (scratchbuf + 1, sizeof(scratchbuf) - 1, 1, op);
5472 oappend (scratchbuf + intel_syntax);
5473 scratchbuf[0] = '\0';
5474 }
5475
5476 static void
5477 OP_I64 (int bytemode, int sizeflag)
5478 {
5479 bfd_signed_vma op;
5480 bfd_signed_vma mask = -1;
5481
5482 if (address_mode != mode_64bit)
5483 {
5484 OP_I (bytemode, sizeflag);
5485 return;
5486 }
5487
5488 switch (bytemode)
5489 {
5490 case b_mode:
5491 fetch_data(the_info, codep + 1);
5492 op = *codep++;
5493 mask = 0xff;
5494 break;
5495 case v_mode:
5496 USED_REX (REX_W);
5497 if (rex & REX_W)
5498 op = get64 ();
5499 else if (sizeflag & DFLAG)
5500 {
5501 op = get32 ();
5502 mask = 0xffffffff;
5503 }
5504 else
5505 {
5506 op = get16 ();
5507 mask = 0xfffff;
5508 }
5509 used_prefixes |= (prefixes & PREFIX_DATA);
5510 break;
5511 case w_mode:
5512 mask = 0xfffff;
5513 op = get16 ();
5514 break;
5515 default:
5516 oappend (INTERNAL_DISASSEMBLER_ERROR);
5517 return;
5518 }
5519
5520 op &= mask;
5521 scratchbuf[0] = '$';
5522 print_operand_value (scratchbuf + 1, sizeof(scratchbuf) - 1, 1, op);
5523 oappend (scratchbuf + intel_syntax);
5524 scratchbuf[0] = '\0';
5525 }
5526
5527 static void
5528 OP_sI (int bytemode, int sizeflag)
5529 {
5530 bfd_signed_vma op;
5531
5532 switch (bytemode)
5533 {
5534 case b_mode:
5535 fetch_data(the_info, codep + 1);
5536 op = *codep++;
5537 if ((op & 0x80) != 0)
5538 op -= 0x100;
5539 break;
5540 case v_mode:
5541 USED_REX (REX_W);
5542 if (rex & REX_W)
5543 op = get32s ();
5544 else if (sizeflag & DFLAG)
5545 {
5546 op = get32s ();
5547 }
5548 else
5549 {
5550 op = get16 ();
5551 if ((op & 0x8000) != 0)
5552 op -= 0x10000;
5553 }
5554 used_prefixes |= (prefixes & PREFIX_DATA);
5555 break;
5556 case w_mode:
5557 op = get16 ();
5558 if ((op & 0x8000) != 0)
5559 op -= 0x10000;
5560 break;
5561 default:
5562 oappend (INTERNAL_DISASSEMBLER_ERROR);
5563 return;
5564 }
5565
5566 scratchbuf[0] = '$';
5567 print_operand_value (scratchbuf + 1, sizeof(scratchbuf) - 1, 1, op);
5568 oappend (scratchbuf + intel_syntax);
5569 }
5570
5571 static void
5572 OP_J (int bytemode, int sizeflag)
5573 {
5574 bfd_vma disp;
5575 bfd_vma mask = -1;
5576 bfd_vma segment = 0;
5577
5578 switch (bytemode)
5579 {
5580 case b_mode:
5581 fetch_data(the_info, codep + 1);
5582 disp = *codep++;
5583 if ((disp & 0x80) != 0)
5584 disp -= 0x100;
5585 break;
5586 case v_mode:
5587 if ((sizeflag & DFLAG) || (rex & REX_W))
5588 disp = get32s ();
5589 else
5590 {
5591 disp = get16 ();
5592 if ((disp & 0x8000) != 0)
5593 disp -= 0x10000;
5594 /* In 16bit mode, address is wrapped around at 64k within
5595 the same segment. Otherwise, a data16 prefix on a jump
5596 instruction means that the pc is masked to 16 bits after
5597 the displacement is added! */
5598 mask = 0xffff;
5599 if ((prefixes & PREFIX_DATA) == 0)
5600 segment = ((start_pc + codep - start_codep)
5601 & ~((bfd_vma) 0xffff));
5602 }
5603 used_prefixes |= (prefixes & PREFIX_DATA);
5604 break;
5605 default:
5606 oappend (INTERNAL_DISASSEMBLER_ERROR);
5607 return;
5608 }
5609 disp = ((start_pc + codep - start_codep + disp) & mask) | segment;
5610 set_op (disp, 0);
5611 print_operand_value (scratchbuf, sizeof(scratchbuf), 1, disp);
5612 oappend (scratchbuf);
5613 }
5614
5615 static void
5616 OP_SEG (int bytemode, int sizeflag)
5617 {
5618 if (bytemode == w_mode)
5619 oappend (names_seg[modrm.reg]);
5620 else
5621 OP_E (modrm.mod == 3 ? bytemode : w_mode, sizeflag);
5622 }
5623
5624 static void
5625 OP_DIR (int dummy ATTRIBUTE_UNUSED, int sizeflag)
5626 {
5627 int seg, offset;
5628
5629 if (sizeflag & DFLAG)
5630 {
5631 offset = get32 ();
5632 seg = get16 ();
5633 }
5634 else
5635 {
5636 offset = get16 ();
5637 seg = get16 ();
5638 }
5639 used_prefixes |= (prefixes & PREFIX_DATA);
5640 if (intel_syntax)
5641 snprintf (scratchbuf, sizeof(scratchbuf), "0x%x:0x%x", seg, offset);
5642 else
5643 snprintf (scratchbuf, sizeof(scratchbuf), "$0x%x,$0x%x", seg, offset);
5644 oappend (scratchbuf);
5645 }
5646
5647 static void
5648 OP_OFF (int bytemode, int sizeflag)
5649 {
5650 bfd_vma off;
5651
5652 if (intel_syntax && (sizeflag & SUFFIX_ALWAYS))
5653 intel_operand_size (bytemode, sizeflag);
5654 append_seg ();
5655
5656 if ((sizeflag & AFLAG) || address_mode == mode_64bit)
5657 off = get32 ();
5658 else
5659 off = get16 ();
5660
5661 if (intel_syntax)
5662 {
5663 if (!(prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS
5664 | PREFIX_ES | PREFIX_FS | PREFIX_GS)))
5665 {
5666 oappend (names_seg[ds_reg - es_reg]);
5667 oappend (":");
5668 }
5669 }
5670 print_operand_value (scratchbuf, sizeof(scratchbuf), 1, off);
5671 oappend (scratchbuf);
5672 }
5673
5674 static void
5675 OP_OFF64 (int bytemode, int sizeflag)
5676 {
5677 bfd_vma off;
5678
5679 if (address_mode != mode_64bit
5680 || (prefixes & PREFIX_ADDR))
5681 {
5682 OP_OFF (bytemode, sizeflag);
5683 return;
5684 }
5685
5686 if (intel_syntax && (sizeflag & SUFFIX_ALWAYS))
5687 intel_operand_size (bytemode, sizeflag);
5688 append_seg ();
5689
5690 off = get64 ();
5691
5692 if (intel_syntax)
5693 {
5694 if (!(prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS
5695 | PREFIX_ES | PREFIX_FS | PREFIX_GS)))
5696 {
5697 oappend (names_seg[ds_reg - es_reg]);
5698 oappend (":");
5699 }
5700 }
5701 print_operand_value (scratchbuf, sizeof(scratchbuf), 1, off);
5702 oappend (scratchbuf);
5703 }
5704
5705 static void
5706 ptr_reg (int code, int sizeflag)
5707 {
5708 const char *s;
5709
5710 *obufp++ = open_char;
5711 used_prefixes |= (prefixes & PREFIX_ADDR);
5712 if (address_mode == mode_64bit)
5713 {
5714 if (!(sizeflag & AFLAG))
5715 s = names32[code - eAX_reg];
5716 else
5717 s = names64[code - eAX_reg];
5718 }
5719 else if (sizeflag & AFLAG)
5720 s = names32[code - eAX_reg];
5721 else
5722 s = names16[code - eAX_reg];
5723 oappend (s);
5724 *obufp++ = close_char;
5725 *obufp = 0;
5726 }
5727
5728 static void
5729 OP_ESreg (int code, int sizeflag)
5730 {
5731 if (intel_syntax)
5732 {
5733 switch (codep[-1])
5734 {
5735 case 0x6d: /* insw/insl */
5736 intel_operand_size (z_mode, sizeflag);
5737 break;
5738 case 0xa5: /* movsw/movsl/movsq */
5739 case 0xa7: /* cmpsw/cmpsl/cmpsq */
5740 case 0xab: /* stosw/stosl */
5741 case 0xaf: /* scasw/scasl */
5742 intel_operand_size (v_mode, sizeflag);
5743 break;
5744 default:
5745 intel_operand_size (b_mode, sizeflag);
5746 }
5747 }
5748 oappend ("%es:" + intel_syntax);
5749 ptr_reg (code, sizeflag);
5750 }
5751
5752 static void
5753 OP_DSreg (int code, int sizeflag)
5754 {
5755 if (intel_syntax)
5756 {
5757 switch (codep[-1])
5758 {
5759 case 0x6f: /* outsw/outsl */
5760 intel_operand_size (z_mode, sizeflag);
5761 break;
5762 case 0xa5: /* movsw/movsl/movsq */
5763 case 0xa7: /* cmpsw/cmpsl/cmpsq */
5764 case 0xad: /* lodsw/lodsl/lodsq */
5765 intel_operand_size (v_mode, sizeflag);
5766 break;
5767 default:
5768 intel_operand_size (b_mode, sizeflag);
5769 }
5770 }
5771 if ((prefixes
5772 & (PREFIX_CS
5773 | PREFIX_DS
5774 | PREFIX_SS
5775 | PREFIX_ES
5776 | PREFIX_FS
5777 | PREFIX_GS)) == 0)
5778 prefixes |= PREFIX_DS;
5779 append_seg ();
5780 ptr_reg (code, sizeflag);
5781 }
5782
5783 static void
5784 OP_C (int dummy ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
5785 {
5786 int add = 0;
5787 if (rex & REX_R)
5788 {
5789 USED_REX (REX_R);
5790 add = 8;
5791 }
5792 else if (address_mode != mode_64bit && (prefixes & PREFIX_LOCK))
5793 {
5794 used_prefixes |= PREFIX_LOCK;
5795 add = 8;
5796 }
5797 snprintf (scratchbuf, sizeof(scratchbuf), "%%cr%d", modrm.reg + add);
5798 oappend (scratchbuf + intel_syntax);
5799 }
5800
5801 static void
5802 OP_D (int dummy ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
5803 {
5804 int add = 0;
5805 USED_REX (REX_R);
5806 if (rex & REX_R)
5807 add = 8;
5808 if (intel_syntax)
5809 snprintf (scratchbuf, sizeof(scratchbuf), "db%d", modrm.reg + add);
5810 else
5811 snprintf (scratchbuf, sizeof(scratchbuf), "%%db%d", modrm.reg + add);
5812 oappend (scratchbuf);
5813 }
5814
5815 static void
5816 OP_T (int dummy ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
5817 {
5818 snprintf (scratchbuf, sizeof(scratchbuf), "%%tr%d", modrm.reg);
5819 oappend (scratchbuf + intel_syntax);
5820 }
5821
5822 static void
5823 OP_R (int bytemode, int sizeflag)
5824 {
5825 if (modrm.mod == 3)
5826 OP_E (bytemode, sizeflag);
5827 else
5828 BadOp ();
5829 }
5830
5831 static void
5832 OP_MMX (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
5833 {
5834 used_prefixes |= (prefixes & PREFIX_DATA);
5835 if (prefixes & PREFIX_DATA)
5836 {
5837 int add = 0;
5838 USED_REX (REX_R);
5839 if (rex & REX_R)
5840 add = 8;
5841 snprintf (scratchbuf, sizeof(scratchbuf), "%%xmm%d", modrm.reg + add);
5842 }
5843 else
5844 snprintf (scratchbuf, sizeof(scratchbuf), "%%mm%d", modrm.reg);
5845 oappend (scratchbuf + intel_syntax);
5846 }
5847
5848 static void
5849 OP_XMM (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
5850 {
5851 int add = 0;
5852 USED_REX (REX_R);
5853 if (rex & REX_R)
5854 add = 8;
5855 snprintf (scratchbuf, sizeof(scratchbuf), "%%xmm%d", modrm.reg + add);
5856 oappend (scratchbuf + intel_syntax);
5857 }
5858
5859 static void
5860 OP_EM (int bytemode, int sizeflag)
5861 {
5862 if (modrm.mod != 3)
5863 {
5864 if (intel_syntax && bytemode == v_mode)
5865 {
5866 bytemode = (prefixes & PREFIX_DATA) ? x_mode : q_mode;
5867 used_prefixes |= (prefixes & PREFIX_DATA);
5868 }
5869 OP_E (bytemode, sizeflag);
5870 return;
5871 }
5872
5873 /* Skip mod/rm byte. */
5874 MODRM_CHECK;
5875 codep++;
5876 used_prefixes |= (prefixes & PREFIX_DATA);
5877 if (prefixes & PREFIX_DATA)
5878 {
5879 int add = 0;
5880
5881 USED_REX (REX_B);
5882 if (rex & REX_B)
5883 add = 8;
5884 snprintf (scratchbuf, sizeof(scratchbuf), "%%xmm%d", modrm.rm + add);
5885 }
5886 else
5887 snprintf (scratchbuf, sizeof(scratchbuf), "%%mm%d", modrm.rm);
5888 oappend (scratchbuf + intel_syntax);
5889 }
5890
5891 /* cvt* are the only instructions in sse2 which have
5892 both SSE and MMX operands and also have 0x66 prefix
5893 in their opcode. 0x66 was originally used to differentiate
5894 between SSE and MMX instruction(operands). So we have to handle the
5895 cvt* separately using OP_EMC and OP_MXC */
5896 static void
5897 OP_EMC (int bytemode, int sizeflag)
5898 {
5899 if (modrm.mod != 3)
5900 {
5901 if (intel_syntax && bytemode == v_mode)
5902 {
5903 bytemode = (prefixes & PREFIX_DATA) ? x_mode : q_mode;
5904 used_prefixes |= (prefixes & PREFIX_DATA);
5905 }
5906 OP_E (bytemode, sizeflag);
5907 return;
5908 }
5909
5910 /* Skip mod/rm byte. */
5911 MODRM_CHECK;
5912 codep++;
5913 used_prefixes |= (prefixes & PREFIX_DATA);
5914 snprintf (scratchbuf, sizeof(scratchbuf), "%%mm%d", modrm.rm);
5915 oappend (scratchbuf + intel_syntax);
5916 }
5917
5918 static void
5919 OP_MXC (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
5920 {
5921 used_prefixes |= (prefixes & PREFIX_DATA);
5922 snprintf (scratchbuf, sizeof(scratchbuf), "%%mm%d", modrm.reg);
5923 oappend (scratchbuf + intel_syntax);
5924 }
5925
5926 static void
5927 OP_EX (int bytemode, int sizeflag)
5928 {
5929 int add = 0;
5930 if (modrm.mod != 3)
5931 {
5932 OP_E (bytemode, sizeflag);
5933 return;
5934 }
5935 USED_REX (REX_B);
5936 if (rex & REX_B)
5937 add = 8;
5938
5939 /* Skip mod/rm byte. */
5940 MODRM_CHECK;
5941 codep++;
5942 snprintf (scratchbuf, sizeof(scratchbuf), "%%xmm%d", modrm.rm + add);
5943 oappend (scratchbuf + intel_syntax);
5944 }
5945
5946 static void
5947 OP_MS (int bytemode, int sizeflag)
5948 {
5949 if (modrm.mod == 3)
5950 OP_EM (bytemode, sizeflag);
5951 else
5952 BadOp ();
5953 }
5954
5955 static void
5956 OP_XS (int bytemode, int sizeflag)
5957 {
5958 if (modrm.mod == 3)
5959 OP_EX (bytemode, sizeflag);
5960 else
5961 BadOp ();
5962 }
5963
5964 static void
5965 OP_M (int bytemode, int sizeflag)
5966 {
5967 if (modrm.mod == 3)
5968 /* bad bound,lea,lds,les,lfs,lgs,lss,cmpxchg8b,vmptrst modrm */
5969 BadOp ();
5970 else
5971 OP_E (bytemode, sizeflag);
5972 }
5973
5974 static void
5975 OP_0f07 (int bytemode, int sizeflag)
5976 {
5977 if (modrm.mod != 3 || modrm.rm != 0)
5978 BadOp ();
5979 else
5980 OP_E (bytemode, sizeflag);
5981 }
5982
5983 static void
5984 OP_0fae (int bytemode, int sizeflag)
5985 {
5986 if (modrm.mod == 3)
5987 {
5988 if (modrm.reg == 7)
5989 strcpy (obuf + strlen (obuf) - sizeof ("clflush") + 1, "sfence");
5990
5991 if (modrm.reg < 5 || modrm.rm != 0)
5992 {
5993 BadOp (); /* bad sfence, mfence, or lfence */
5994 return;
5995 }
5996 }
5997 else if (modrm.reg != 7)
5998 {
5999 BadOp (); /* bad clflush */
6000 return;
6001 }
6002
6003 OP_E (bytemode, sizeflag);
6004 }
6005
6006 /* NOP is an alias of "xchg %ax,%ax" in 16bit mode, "xchg %eax,%eax" in
6007 32bit mode and "xchg %rax,%rax" in 64bit mode. */
6008
6009 static void
6010 NOP_Fixup1 (int bytemode, int sizeflag)
6011 {
6012 if ((prefixes & PREFIX_DATA) != 0
6013 || (rex != 0
6014 && rex != 0x48
6015 && address_mode == mode_64bit))
6016 OP_REG (bytemode, sizeflag);
6017 else
6018 strcpy (obuf, "nop");
6019 }
6020
6021 static void
6022 NOP_Fixup2 (int bytemode, int sizeflag)
6023 {
6024 if ((prefixes & PREFIX_DATA) != 0
6025 || (rex != 0
6026 && rex != 0x48
6027 && address_mode == mode_64bit))
6028 OP_IMREG (bytemode, sizeflag);
6029 }
6030
6031 static const char *Suffix3DNow[] = {
6032 /* 00 */ NULL, NULL, NULL, NULL,
6033 /* 04 */ NULL, NULL, NULL, NULL,
6034 /* 08 */ NULL, NULL, NULL, NULL,
6035 /* 0C */ "pi2fw", "pi2fd", NULL, NULL,
6036 /* 10 */ NULL, NULL, NULL, NULL,
6037 /* 14 */ NULL, NULL, NULL, NULL,
6038 /* 18 */ NULL, NULL, NULL, NULL,
6039 /* 1C */ "pf2iw", "pf2id", NULL, NULL,
6040 /* 20 */ NULL, NULL, NULL, NULL,
6041 /* 24 */ NULL, NULL, NULL, NULL,
6042 /* 28 */ NULL, NULL, NULL, NULL,
6043 /* 2C */ NULL, NULL, NULL, NULL,
6044 /* 30 */ NULL, NULL, NULL, NULL,
6045 /* 34 */ NULL, NULL, NULL, NULL,
6046 /* 38 */ NULL, NULL, NULL, NULL,
6047 /* 3C */ NULL, NULL, NULL, NULL,
6048 /* 40 */ NULL, NULL, NULL, NULL,
6049 /* 44 */ NULL, NULL, NULL, NULL,
6050 /* 48 */ NULL, NULL, NULL, NULL,
6051 /* 4C */ NULL, NULL, NULL, NULL,
6052 /* 50 */ NULL, NULL, NULL, NULL,
6053 /* 54 */ NULL, NULL, NULL, NULL,
6054 /* 58 */ NULL, NULL, NULL, NULL,
6055 /* 5C */ NULL, NULL, NULL, NULL,
6056 /* 60 */ NULL, NULL, NULL, NULL,
6057 /* 64 */ NULL, NULL, NULL, NULL,
6058 /* 68 */ NULL, NULL, NULL, NULL,
6059 /* 6C */ NULL, NULL, NULL, NULL,
6060 /* 70 */ NULL, NULL, NULL, NULL,
6061 /* 74 */ NULL, NULL, NULL, NULL,
6062 /* 78 */ NULL, NULL, NULL, NULL,
6063 /* 7C */ NULL, NULL, NULL, NULL,
6064 /* 80 */ NULL, NULL, NULL, NULL,
6065 /* 84 */ NULL, NULL, NULL, NULL,
6066 /* 88 */ NULL, NULL, "pfnacc", NULL,
6067 /* 8C */ NULL, NULL, "pfpnacc", NULL,
6068 /* 90 */ "pfcmpge", NULL, NULL, NULL,
6069 /* 94 */ "pfmin", NULL, "pfrcp", "pfrsqrt",
6070 /* 98 */ NULL, NULL, "pfsub", NULL,
6071 /* 9C */ NULL, NULL, "pfadd", NULL,
6072 /* A0 */ "pfcmpgt", NULL, NULL, NULL,
6073 /* A4 */ "pfmax", NULL, "pfrcpit1", "pfrsqit1",
6074 /* A8 */ NULL, NULL, "pfsubr", NULL,
6075 /* AC */ NULL, NULL, "pfacc", NULL,
6076 /* B0 */ "pfcmpeq", NULL, NULL, NULL,
6077 /* B4 */ "pfmul", NULL, "pfrcpit2", "pmulhrw",
6078 /* B8 */ NULL, NULL, NULL, "pswapd",
6079 /* BC */ NULL, NULL, NULL, "pavgusb",
6080 /* C0 */ NULL, NULL, NULL, NULL,
6081 /* C4 */ NULL, NULL, NULL, NULL,
6082 /* C8 */ NULL, NULL, NULL, NULL,
6083 /* CC */ NULL, NULL, NULL, NULL,
6084 /* D0 */ NULL, NULL, NULL, NULL,
6085 /* D4 */ NULL, NULL, NULL, NULL,
6086 /* D8 */ NULL, NULL, NULL, NULL,
6087 /* DC */ NULL, NULL, NULL, NULL,
6088 /* E0 */ NULL, NULL, NULL, NULL,
6089 /* E4 */ NULL, NULL, NULL, NULL,
6090 /* E8 */ NULL, NULL, NULL, NULL,
6091 /* EC */ NULL, NULL, NULL, NULL,
6092 /* F0 */ NULL, NULL, NULL, NULL,
6093 /* F4 */ NULL, NULL, NULL, NULL,
6094 /* F8 */ NULL, NULL, NULL, NULL,
6095 /* FC */ NULL, NULL, NULL, NULL,
6096 };
6097
6098 static void
6099 OP_3DNowSuffix (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
6100 {
6101 const char *mnemonic;
6102
6103 fetch_data(the_info, codep + 1);
6104 /* AMD 3DNow! instructions are specified by an opcode suffix in the
6105 place where an 8-bit immediate would normally go. ie. the last
6106 byte of the instruction. */
6107 obufp = obuf + strlen (obuf);
6108 mnemonic = Suffix3DNow[*codep++ & 0xff];
6109 if (mnemonic)
6110 oappend (mnemonic);
6111 else
6112 {
6113 /* Since a variable sized modrm/sib chunk is between the start
6114 of the opcode (0x0f0f) and the opcode suffix, we need to do
6115 all the modrm processing first, and don't know until now that
6116 we have a bad opcode. This necessitates some cleaning up. */
6117 op_out[0][0] = '\0';
6118 op_out[1][0] = '\0';
6119 BadOp ();
6120 }
6121 }
6122
6123 static const char *simd_cmp_op[] = {
6124 "eq",
6125 "lt",
6126 "le",
6127 "unord",
6128 "neq",
6129 "nlt",
6130 "nle",
6131 "ord"
6132 };
6133
6134 static void
6135 OP_SIMD_Suffix (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
6136 {
6137 unsigned int cmp_type;
6138
6139 fetch_data(the_info, codep + 1);
6140 obufp = obuf + strlen (obuf);
6141 cmp_type = *codep++ & 0xff;
6142 if (cmp_type < 8)
6143 {
6144 char suffix1 = 'p', suffix2 = 's';
6145 used_prefixes |= (prefixes & PREFIX_REPZ);
6146 if (prefixes & PREFIX_REPZ)
6147 suffix1 = 's';
6148 else
6149 {
6150 used_prefixes |= (prefixes & PREFIX_DATA);
6151 if (prefixes & PREFIX_DATA)
6152 suffix2 = 'd';
6153 else
6154 {
6155 used_prefixes |= (prefixes & PREFIX_REPNZ);
6156 if (prefixes & PREFIX_REPNZ)
6157 suffix1 = 's', suffix2 = 'd';
6158 }
6159 }
6160 snprintf (scratchbuf, sizeof(scratchbuf), "cmp%s%c%c",
6161 simd_cmp_op[cmp_type], suffix1, suffix2);
6162 used_prefixes |= (prefixes & PREFIX_REPZ);
6163 oappend (scratchbuf);
6164 }
6165 else
6166 {
6167 /* We have a bad extension byte. Clean up. */
6168 op_out[0][0] = '\0';
6169 op_out[1][0] = '\0';
6170 BadOp ();
6171 }
6172 }
6173
6174 static void
6175 SIMD_Fixup (int extrachar, int sizeflag ATTRIBUTE_UNUSED)
6176 {
6177 /* Change movlps/movhps to movhlps/movlhps for 2 register operand
6178 forms of these instructions. */
6179 if (modrm.mod == 3)
6180 {
6181 char *p = obuf + strlen (obuf);
6182 *(p + 1) = '\0';
6183 *p = *(p - 1);
6184 *(p - 1) = *(p - 2);
6185 *(p - 2) = *(p - 3);
6186 *(p - 3) = extrachar;
6187 }
6188 }
6189
6190 static void
6191 PNI_Fixup (int extrachar ATTRIBUTE_UNUSED, int sizeflag)
6192 {
6193 if (modrm.mod == 3 && modrm.reg == 1 && modrm.rm <= 1)
6194 {
6195 /* Override "sidt". */
6196 size_t olen = strlen (obuf);
6197 char *p = obuf + olen - 4;
6198 const char * const *names = (address_mode == mode_64bit
6199 ? names64 : names32);
6200
6201 /* We might have a suffix when disassembling with -Msuffix. */
6202 if (*p == 'i')
6203 --p;
6204
6205 /* Remove "addr16/addr32" if we aren't in Intel mode. */
6206 if (!intel_syntax
6207 && (prefixes & PREFIX_ADDR)
6208 && olen >= (4 + 7)
6209 && *(p - 1) == ' '
6210 && strncmp (p - 7, "addr", 4) == 0
6211 && (strncmp (p - 3, "16", 2) == 0
6212 || strncmp (p - 3, "32", 2) == 0))
6213 p -= 7;
6214
6215 if (modrm.rm)
6216 {
6217 /* mwait %eax,%ecx */
6218 strcpy (p, "mwait");
6219 if (!intel_syntax)
6220 strcpy (op_out[0], names[0]);
6221 }
6222 else
6223 {
6224 /* monitor %eax,%ecx,%edx" */
6225 strcpy (p, "monitor");
6226 if (!intel_syntax)
6227 {
6228 const char * const *op1_names;
6229 if (!(prefixes & PREFIX_ADDR))
6230 op1_names = (address_mode == mode_16bit
6231 ? names16 : names);
6232 else
6233 {
6234 op1_names = (address_mode != mode_32bit
6235 ? names32 : names16);
6236 used_prefixes |= PREFIX_ADDR;
6237 }
6238 strcpy (op_out[0], op1_names[0]);
6239 strcpy (op_out[2], names[2]);
6240 }
6241 }
6242 if (!intel_syntax)
6243 {
6244 strcpy (op_out[1], names[1]);
6245 two_source_ops = 1;
6246 }
6247
6248 codep++;
6249 }
6250 else
6251 OP_M (0, sizeflag);
6252 }
6253
6254 static void
6255 SVME_Fixup (int bytemode, int sizeflag)
6256 {
6257 const char *alt;
6258 char *p;
6259
6260 switch (*codep)
6261 {
6262 case 0xd8:
6263 alt = "vmrun";
6264 break;
6265 case 0xd9:
6266 alt = "vmmcall";
6267 break;
6268 case 0xda:
6269 alt = "vmload";
6270 break;
6271 case 0xdb:
6272 alt = "vmsave";
6273 break;
6274 case 0xdc:
6275 alt = "stgi";
6276 break;
6277 case 0xdd:
6278 alt = "clgi";
6279 break;
6280 case 0xde:
6281 alt = "skinit";
6282 break;
6283 case 0xdf:
6284 alt = "invlpga";
6285 break;
6286 default:
6287 OP_M (bytemode, sizeflag);
6288 return;
6289 }
6290 /* Override "lidt". */
6291 p = obuf + strlen (obuf) - 4;
6292 /* We might have a suffix. */
6293 if (*p == 'i')
6294 --p;
6295 strcpy (p, alt);
6296 if (!(prefixes & PREFIX_ADDR))
6297 {
6298 ++codep;
6299 return;
6300 }
6301 used_prefixes |= PREFIX_ADDR;
6302 switch (*codep++)
6303 {
6304 case 0xdf:
6305 strcpy (op_out[1], names32[1]);
6306 two_source_ops = 1;
6307 /* Fall through. */
6308 case 0xd8:
6309 case 0xda:
6310 case 0xdb:
6311 *obufp++ = open_char;
6312 if (address_mode == mode_64bit || (sizeflag & AFLAG))
6313 alt = names32[0];
6314 else
6315 alt = names16[0];
6316 strcpy (obufp, alt);
6317 obufp += strlen (alt);
6318 *obufp++ = close_char;
6319 *obufp = '\0';
6320 break;
6321 }
6322 }
6323
6324 static void
6325 INVLPG_Fixup (int bytemode, int sizeflag)
6326 {
6327 const char *alt;
6328
6329 switch (*codep)
6330 {
6331 case 0xf8:
6332 alt = "swapgs";
6333 break;
6334 case 0xf9:
6335 alt = "rdtscp";
6336 break;
6337 default:
6338 OP_M (bytemode, sizeflag);
6339 return;
6340 }
6341 /* Override "invlpg". */
6342 strcpy (obuf + strlen (obuf) - 6, alt);
6343 codep++;
6344 }
6345
6346 static void
6347 BadOp (void)
6348 {
6349 /* Throw away prefixes and 1st. opcode byte. */
6350 codep = insn_codep + 1;
6351 oappend ("(bad)");
6352 }
6353
6354 static void
6355 VMX_Fixup (int extrachar ATTRIBUTE_UNUSED, int sizeflag)
6356 {
6357 if (modrm.mod == 3
6358 && modrm.reg == 0
6359 && modrm.rm >=1
6360 && modrm.rm <= 4)
6361 {
6362 /* Override "sgdt". */
6363 char *p = obuf + strlen (obuf) - 4;
6364
6365 /* We might have a suffix when disassembling with -Msuffix. */
6366 if (*p == 'g')
6367 --p;
6368
6369 switch (modrm.rm)
6370 {
6371 case 1:
6372 strcpy (p, "vmcall");
6373 break;
6374 case 2:
6375 strcpy (p, "vmlaunch");
6376 break;
6377 case 3:
6378 strcpy (p, "vmresume");
6379 break;
6380 case 4:
6381 strcpy (p, "vmxoff");
6382 break;
6383 }
6384
6385 codep++;
6386 }
6387 else
6388 OP_E (0, sizeflag);
6389 }
6390
6391 static void
6392 OP_VMX (int bytemode, int sizeflag)
6393 {
6394 used_prefixes |= (prefixes & (PREFIX_DATA | PREFIX_REPZ));
6395 if (prefixes & PREFIX_DATA)
6396 strcpy (obuf, "vmclear");
6397 else if (prefixes & PREFIX_REPZ)
6398 strcpy (obuf, "vmxon");
6399 else
6400 strcpy (obuf, "vmptrld");
6401 OP_E (bytemode, sizeflag);
6402 }
6403
6404 static void
6405 REP_Fixup (int bytemode, int sizeflag)
6406 {
6407 /* The 0xf3 prefix should be displayed as "rep" for ins, outs, movs,
6408 lods and stos. */
6409 size_t ilen = 0;
6410
6411 if (prefixes & PREFIX_REPZ)
6412 switch (*insn_codep)
6413 {
6414 case 0x6e: /* outsb */
6415 case 0x6f: /* outsw/outsl */
6416 case 0xa4: /* movsb */
6417 case 0xa5: /* movsw/movsl/movsq */
6418 if (!intel_syntax)
6419 ilen = 5;
6420 else
6421 ilen = 4;
6422 break;
6423 case 0xaa: /* stosb */
6424 case 0xab: /* stosw/stosl/stosq */
6425 case 0xac: /* lodsb */
6426 case 0xad: /* lodsw/lodsl/lodsq */
6427 if (!intel_syntax && (sizeflag & SUFFIX_ALWAYS))
6428 ilen = 5;
6429 else
6430 ilen = 4;
6431 break;
6432 case 0x6c: /* insb */
6433 case 0x6d: /* insl/insw */
6434 if (!intel_syntax)
6435 ilen = 4;
6436 else
6437 ilen = 3;
6438 break;
6439 default:
6440 abort ();
6441 break;
6442 }
6443
6444 if (ilen != 0)
6445 {
6446 size_t olen;
6447 char *p;
6448
6449 olen = strlen (obuf);
6450 p = obuf + olen - ilen - 1 - 4;
6451 /* Handle "repz [addr16|addr32]". */
6452 if ((prefixes & PREFIX_ADDR))
6453 p -= 1 + 6;
6454
6455 memmove (p + 3, p + 4, olen - (p + 3 - obuf));
6456 }
6457
6458 switch (bytemode)
6459 {
6460 case al_reg:
6461 case eAX_reg:
6462 case indir_dx_reg:
6463 OP_IMREG (bytemode, sizeflag);
6464 break;
6465 case eDI_reg:
6466 OP_ESreg (bytemode, sizeflag);
6467 break;
6468 case eSI_reg:
6469 OP_DSreg (bytemode, sizeflag);
6470 break;
6471 default:
6472 abort ();
6473 break;
6474 }
6475 }
6476
6477 static void
6478 CMPXCHG8B_Fixup (int bytemode, int sizeflag)
6479 {
6480 USED_REX (REX_W);
6481 if (rex & REX_W)
6482 {
6483 /* Change cmpxchg8b to cmpxchg16b. */
6484 char *p = obuf + strlen (obuf) - 2;
6485 strcpy (p, "16b");
6486 bytemode = o_mode;
6487 }
6488 OP_M (bytemode, sizeflag);
6489 }
6490
6491 static void
6492 XMM_Fixup (int reg, int sizeflag ATTRIBUTE_UNUSED)
6493 {
6494 snprintf (scratchbuf, sizeof(scratchbuf), "%%xmm%d", reg);
6495 oappend (scratchbuf + intel_syntax);
6496 }
6497
6498 static void
6499 CRC32_Fixup (int bytemode, int sizeflag)
6500 {
6501 /* Add proper suffix to "crc32". */
6502 char *p = obuf + strlen (obuf);
6503
6504 switch (bytemode)
6505 {
6506 case b_mode:
6507 if (intel_syntax)
6508 break;
6509
6510 *p++ = 'b';
6511 break;
6512 case v_mode:
6513 if (intel_syntax)
6514 break;
6515
6516 USED_REX (REX_W);
6517 if (rex & REX_W)
6518 *p++ = 'q';
6519 else if (sizeflag & DFLAG)
6520 *p++ = 'l';
6521 else
6522 *p++ = 'w';
6523 used_prefixes |= (prefixes & PREFIX_DATA);
6524 break;
6525 default:
6526 oappend (INTERNAL_DISASSEMBLER_ERROR);
6527 break;
6528 }
6529 *p = '\0';
6530
6531 if (modrm.mod == 3)
6532 {
6533 int add;
6534
6535 /* Skip mod/rm byte. */
6536 MODRM_CHECK;
6537 codep++;
6538
6539 USED_REX (REX_B);
6540 add = (rex & REX_B) ? 8 : 0;
6541 if (bytemode == b_mode)
6542 {
6543 USED_REX (0);
6544 if (rex)
6545 oappend (names8rex[modrm.rm + add]);
6546 else
6547 oappend (names8[modrm.rm + add]);
6548 }
6549 else
6550 {
6551 USED_REX (REX_W);
6552 if (rex & REX_W)
6553 oappend (names64[modrm.rm + add]);
6554 else if ((prefixes & PREFIX_DATA))
6555 oappend (names16[modrm.rm + add]);
6556 else
6557 oappend (names32[modrm.rm + add]);
6558 }
6559 }
6560 else
6561 OP_E (bytemode, sizeflag);
6562 }
Anthony Liguori's QEMU queue