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* ppc-opc.c (powerpc_opcodes): Fixed extended opcode field of
[binutils-gdb.git] / opcodes / i386-dis.c
1 /* Print i386 instructions for GDB, the GNU debugger.
2 Copyright 1988, 1989, 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
3 2001
4 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, write to the Free Software
20 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
21
22 /*
23 * 80386 instruction printer by Pace Willisson (pace@prep.ai.mit.edu)
24 * July 1988
25 * modified by John Hassey (hassey@dg-rtp.dg.com)
26 * x86-64 support added by Jan Hubicka (jh@suse.cz)
27 */
28
29 /*
30 * The main tables describing the instructions is essentially a copy
31 * of the "Opcode Map" chapter (Appendix A) of the Intel 80386
32 * Programmers Manual. Usually, there is a capital letter, followed
33 * by a small letter. The capital letter tell the addressing mode,
34 * and the small letter tells about the operand size. Refer to
35 * the Intel manual for details.
36 */
37
38 #include "dis-asm.h"
39 #include "sysdep.h"
40 #include "opintl.h"
41
42 #define MAXLEN 20
43
44 #include <setjmp.h>
45
46 #ifndef UNIXWARE_COMPAT
47 /* Set non-zero for broken, compatible instructions. Set to zero for
48 non-broken opcodes. */
49 #define UNIXWARE_COMPAT 1
50 #endif
51
52 static int fetch_data PARAMS ((struct disassemble_info *, bfd_byte *));
53
54 struct dis_private
55 {
56 /* Points to first byte not fetched. */
57 bfd_byte *max_fetched;
58 bfd_byte the_buffer[MAXLEN];
59 bfd_vma insn_start;
60 jmp_buf bailout;
61 };
62
63 /* The opcode for the fwait instruction, which we treat as a prefix
64 when we can. */
65 #define FWAIT_OPCODE (0x9b)
66
67 /* Set to 1 for 64bit mode disassembly. */
68 static int mode_64bit;
69
70 /* Flags for the prefixes for the current instruction. See below. */
71 static int prefixes;
72
73 /* REX prefix the current instruction. See below. */
74 static int rex;
75 /* Bits of REX we've already used. */
76 static int rex_used;
77 #define REX_MODE64 8
78 #define REX_EXTX 4
79 #define REX_EXTY 2
80 #define REX_EXTZ 1
81 /* Mark parts used in the REX prefix. When we are testing for
82 empty prefix (for 8bit register REX extension), just mask it
83 out. Otherwise test for REX bit is excuse for existence of REX
84 only in case value is nonzero. */
85 #define USED_REX(value) \
86 { \
87 if (value) \
88 rex_used |= (rex & value) ? (value) | 0x40 : 0; \
89 else \
90 rex_used |= 0x40; \
91 }
92
93 /* Flags for prefixes which we somehow handled when printing the
94 current instruction. */
95 static int used_prefixes;
96
97 /* Flags stored in PREFIXES. */
98 #define PREFIX_REPZ 1
99 #define PREFIX_REPNZ 2
100 #define PREFIX_LOCK 4
101 #define PREFIX_CS 8
102 #define PREFIX_SS 0x10
103 #define PREFIX_DS 0x20
104 #define PREFIX_ES 0x40
105 #define PREFIX_FS 0x80
106 #define PREFIX_GS 0x100
107 #define PREFIX_DATA 0x200
108 #define PREFIX_ADDR 0x400
109 #define PREFIX_FWAIT 0x800
110
111 /* Make sure that bytes from INFO->PRIVATE_DATA->BUFFER (inclusive)
112 to ADDR (exclusive) are valid. Returns 1 for success, longjmps
113 on error. */
114 #define FETCH_DATA(info, addr) \
115 ((addr) <= ((struct dis_private *)(info->private_data))->max_fetched \
116 ? 1 : fetch_data ((info), (addr)))
117
118 static int
119 fetch_data (info, addr)
120 struct disassemble_info *info;
121 bfd_byte *addr;
122 {
123 int status;
124 struct dis_private *priv = (struct dis_private *)info->private_data;
125 bfd_vma start = priv->insn_start + (priv->max_fetched - priv->the_buffer);
126
127 status = (*info->read_memory_func) (start,
128 priv->max_fetched,
129 addr - priv->max_fetched,
130 info);
131 if (status != 0)
132 {
133 /* If we did manage to read at least one byte, then
134 print_insn_i386 will do something sensible. Otherwise, print
135 an error. We do that here because this is where we know
136 STATUS. */
137 if (priv->max_fetched == priv->the_buffer)
138 (*info->memory_error_func) (status, start, info);
139 longjmp (priv->bailout, 1);
140 }
141 else
142 priv->max_fetched = addr;
143 return 1;
144 }
145
146 #define XX NULL, 0
147
148 #define Eb OP_E, b_mode
149 #define Ev OP_E, v_mode
150 #define Ed OP_E, d_mode
151 #define indirEb OP_indirE, b_mode
152 #define indirEv OP_indirE, v_mode
153 #define Ew OP_E, w_mode
154 #define Ma OP_E, v_mode
155 #define M OP_E, 0 /* lea */
156 #define Mp OP_E, 0 /* 32 or 48 bit memory operand for LDS, LES etc */
157 #define Gb OP_G, b_mode
158 #define Gv OP_G, v_mode
159 #define Gd OP_G, d_mode
160 #define Gw OP_G, w_mode
161 #define Rd OP_Rd, d_mode
162 #define Rm OP_Rd, m_mode
163 #define Ib OP_I, b_mode
164 #define sIb OP_sI, b_mode /* sign extened byte */
165 #define Iv OP_I, v_mode
166 #define Iq OP_I, q_mode
167 #define Iv64 OP_I64, v_mode
168 #define Iw OP_I, w_mode
169 #define Jb OP_J, b_mode
170 #define Jv OP_J, v_mode
171 #define Cm OP_C, m_mode
172 #define Dm OP_D, m_mode
173 #define Td OP_T, d_mode
174
175 #define RMeAX OP_REG, eAX_reg
176 #define RMeBX OP_REG, eBX_reg
177 #define RMeCX OP_REG, eCX_reg
178 #define RMeDX OP_REG, eDX_reg
179 #define RMeSP OP_REG, eSP_reg
180 #define RMeBP OP_REG, eBP_reg
181 #define RMeSI OP_REG, eSI_reg
182 #define RMeDI OP_REG, eDI_reg
183 #define RMrAX OP_REG, rAX_reg
184 #define RMrBX OP_REG, rBX_reg
185 #define RMrCX OP_REG, rCX_reg
186 #define RMrDX OP_REG, rDX_reg
187 #define RMrSP OP_REG, rSP_reg
188 #define RMrBP OP_REG, rBP_reg
189 #define RMrSI OP_REG, rSI_reg
190 #define RMrDI OP_REG, rDI_reg
191 #define RMAL OP_REG, al_reg
192 #define RMAL OP_REG, al_reg
193 #define RMCL OP_REG, cl_reg
194 #define RMDL OP_REG, dl_reg
195 #define RMBL OP_REG, bl_reg
196 #define RMAH OP_REG, ah_reg
197 #define RMCH OP_REG, ch_reg
198 #define RMDH OP_REG, dh_reg
199 #define RMBH OP_REG, bh_reg
200 #define RMAX OP_REG, ax_reg
201 #define RMDX OP_REG, dx_reg
202
203 #define eAX OP_IMREG, eAX_reg
204 #define eBX OP_IMREG, eBX_reg
205 #define eCX OP_IMREG, eCX_reg
206 #define eDX OP_IMREG, eDX_reg
207 #define eSP OP_IMREG, eSP_reg
208 #define eBP OP_IMREG, eBP_reg
209 #define eSI OP_IMREG, eSI_reg
210 #define eDI OP_IMREG, eDI_reg
211 #define AL OP_IMREG, al_reg
212 #define AL OP_IMREG, al_reg
213 #define CL OP_IMREG, cl_reg
214 #define DL OP_IMREG, dl_reg
215 #define BL OP_IMREG, bl_reg
216 #define AH OP_IMREG, ah_reg
217 #define CH OP_IMREG, ch_reg
218 #define DH OP_IMREG, dh_reg
219 #define BH OP_IMREG, bh_reg
220 #define AX OP_IMREG, ax_reg
221 #define DX OP_IMREG, dx_reg
222 #define indirDX OP_IMREG, indir_dx_reg
223
224 #define Sw OP_SEG, w_mode
225 #define Ap OP_DIR, 0
226 #define Ob OP_OFF, b_mode
227 #define Ob64 OP_OFF64, b_mode
228 #define Ov OP_OFF, v_mode
229 #define Ov64 OP_OFF64, v_mode
230 #define Xb OP_DSreg, eSI_reg
231 #define Xv OP_DSreg, eSI_reg
232 #define Yb OP_ESreg, eDI_reg
233 #define Yv OP_ESreg, eDI_reg
234 #define DSBX OP_DSreg, eBX_reg
235
236 #define es OP_REG, es_reg
237 #define ss OP_REG, ss_reg
238 #define cs OP_REG, cs_reg
239 #define ds OP_REG, ds_reg
240 #define fs OP_REG, fs_reg
241 #define gs OP_REG, gs_reg
242
243 #define MX OP_MMX, 0
244 #define XM OP_XMM, 0
245 #define EM OP_EM, v_mode
246 #define EX OP_EX, v_mode
247 #define MS OP_MS, v_mode
248 #define XS OP_XS, v_mode
249 #define None OP_E, 0
250 #define OPSUF OP_3DNowSuffix, 0
251 #define OPSIMD OP_SIMD_Suffix, 0
252
253 /* bits in sizeflag */
254 #if 0 /* leave undefined until someone adds the extra flag to objdump */
255 #define SUFFIX_ALWAYS 4
256 #endif
257 #define AFLAG 2
258 #define DFLAG 1
259
260 typedef void (*op_rtn) PARAMS ((int bytemode, int sizeflag));
261
262 static void OP_E PARAMS ((int, int));
263 static void OP_G PARAMS ((int, int));
264 static void OP_I PARAMS ((int, int));
265 static void OP_I64 PARAMS ((int, int));
266 static void OP_OFF PARAMS ((int, int));
267 static void OP_REG PARAMS ((int, int));
268 static void OP_IMREG PARAMS ((int, int));
269 static void OP_OFF64 PARAMS ((int, int));
270 static void OP_indirE PARAMS ((int, int));
271 static void OP_sI PARAMS ((int, int));
272 static void OP_REG PARAMS ((int, int));
273 static void OP_J PARAMS ((int, int));
274 static void OP_DIR PARAMS ((int, int));
275 static void OP_OFF PARAMS ((int, int));
276 static void OP_ESreg PARAMS ((int, int));
277 static void OP_DSreg PARAMS ((int, int));
278 static void OP_SEG PARAMS ((int, int));
279 static void OP_C PARAMS ((int, int));
280 static void OP_D PARAMS ((int, int));
281 static void OP_T PARAMS ((int, int));
282 static void OP_Rd PARAMS ((int, int));
283 static void OP_ST PARAMS ((int, int));
284 static void OP_STi PARAMS ((int, int));
285 static void OP_MMX PARAMS ((int, int));
286 static void OP_XMM PARAMS ((int, int));
287 static void OP_EM PARAMS ((int, int));
288 static void OP_EX PARAMS ((int, int));
289 static void OP_MS PARAMS ((int, int));
290 static void OP_XS PARAMS ((int, int));
291 static void OP_3DNowSuffix PARAMS ((int, int));
292 static void OP_SIMD_Suffix PARAMS ((int, int));
293 static void SIMD_Fixup PARAMS ((int, int));
294
295 static void append_seg PARAMS ((void));
296 static void set_op PARAMS ((unsigned int op, int));
297 static void putop PARAMS ((const char *template, int sizeflag));
298 static void dofloat PARAMS ((int sizeflag));
299 static int get16 PARAMS ((void));
300 static bfd_vma get64 PARAMS ((void));
301 static bfd_signed_vma get32 PARAMS ((void));
302 static bfd_signed_vma get32s PARAMS ((void));
303 static void ckprefix PARAMS ((void));
304 static const char *prefix_name PARAMS ((int, int));
305 static void ptr_reg PARAMS ((int, int));
306 static void BadOp PARAMS ((void));
307
308 #define b_mode 1 /* byte operand */
309 #define v_mode 2 /* operand size depends on prefixes */
310 #define w_mode 3 /* word operand */
311 #define d_mode 4 /* double word operand */
312 #define q_mode 5 /* quad word operand */
313 #define x_mode 6
314 #define m_mode 7 /* d_mode in 32bit, q_mode in 64bit mode. */
315
316 #define es_reg 100
317 #define cs_reg 101
318 #define ss_reg 102
319 #define ds_reg 103
320 #define fs_reg 104
321 #define gs_reg 105
322
323 #define eAX_reg 108
324 #define eCX_reg 109
325 #define eDX_reg 110
326 #define eBX_reg 111
327 #define eSP_reg 112
328 #define eBP_reg 113
329 #define eSI_reg 114
330 #define eDI_reg 115
331
332 #define al_reg 116
333 #define cl_reg 117
334 #define dl_reg 118
335 #define bl_reg 119
336 #define ah_reg 120
337 #define ch_reg 121
338 #define dh_reg 122
339 #define bh_reg 123
340
341 #define ax_reg 124
342 #define cx_reg 125
343 #define dx_reg 126
344 #define bx_reg 127
345 #define sp_reg 128
346 #define bp_reg 129
347 #define si_reg 130
348 #define di_reg 131
349
350 #define rAX_reg 132
351 #define rCX_reg 133
352 #define rDX_reg 134
353 #define rBX_reg 135
354 #define rSP_reg 136
355 #define rBP_reg 137
356 #define rSI_reg 138
357 #define rDI_reg 139
358
359 #define indir_dx_reg 150
360
361 #define USE_GROUPS 1
362 #define USE_PREFIX_USER_TABLE 2
363
364 #define GRP1b NULL, NULL, 0, NULL, USE_GROUPS, NULL, 0
365 #define GRP1S NULL, NULL, 1, NULL, USE_GROUPS, NULL, 0
366 #define GRP1Ss NULL, NULL, 2, NULL, USE_GROUPS, NULL, 0
367 #define GRP2b NULL, NULL, 3, NULL, USE_GROUPS, NULL, 0
368 #define GRP2S NULL, NULL, 4, NULL, USE_GROUPS, NULL, 0
369 #define GRP2b_one NULL, NULL, 5, NULL, USE_GROUPS, NULL, 0
370 #define GRP2S_one NULL, NULL, 6, NULL, USE_GROUPS, NULL, 0
371 #define GRP2b_cl NULL, NULL, 7, NULL, USE_GROUPS, NULL, 0
372 #define GRP2S_cl NULL, NULL, 8, NULL, USE_GROUPS, NULL, 0
373 #define GRP3b NULL, NULL, 9, NULL, USE_GROUPS, NULL, 0
374 #define GRP3S NULL, NULL, 10, NULL, USE_GROUPS, NULL, 0
375 #define GRP4 NULL, NULL, 11, NULL, USE_GROUPS, NULL, 0
376 #define GRP5 NULL, NULL, 12, NULL, USE_GROUPS, NULL, 0
377 #define GRP6 NULL, NULL, 13, NULL, USE_GROUPS, NULL, 0
378 #define GRP7 NULL, NULL, 14, NULL, USE_GROUPS, NULL, 0
379 #define GRP8 NULL, NULL, 15, NULL, USE_GROUPS, NULL, 0
380 #define GRP9 NULL, NULL, 16, NULL, USE_GROUPS, NULL, 0
381 #define GRP10 NULL, NULL, 17, NULL, USE_GROUPS, NULL, 0
382 #define GRP11 NULL, NULL, 18, NULL, USE_GROUPS, NULL, 0
383 #define GRP12 NULL, NULL, 19, NULL, USE_GROUPS, NULL, 0
384 #define GRP13 NULL, NULL, 20, NULL, USE_GROUPS, NULL, 0
385 #define GRP14 NULL, NULL, 21, NULL, USE_GROUPS, NULL, 0
386 #define GRPAMD NULL, NULL, 22, NULL, USE_GROUPS, NULL, 0
387
388 #define PREGRP0 NULL, NULL, 0, NULL, USE_PREFIX_USER_TABLE, NULL, 0
389 #define PREGRP1 NULL, NULL, 1, NULL, USE_PREFIX_USER_TABLE, NULL, 0
390 #define PREGRP2 NULL, NULL, 2, NULL, USE_PREFIX_USER_TABLE, NULL, 0
391 #define PREGRP3 NULL, NULL, 3, NULL, USE_PREFIX_USER_TABLE, NULL, 0
392 #define PREGRP4 NULL, NULL, 4, NULL, USE_PREFIX_USER_TABLE, NULL, 0
393 #define PREGRP5 NULL, NULL, 5, NULL, USE_PREFIX_USER_TABLE, NULL, 0
394 #define PREGRP6 NULL, NULL, 6, NULL, USE_PREFIX_USER_TABLE, NULL, 0
395 #define PREGRP7 NULL, NULL, 7, NULL, USE_PREFIX_USER_TABLE, NULL, 0
396 #define PREGRP8 NULL, NULL, 8, NULL, USE_PREFIX_USER_TABLE, NULL, 0
397 #define PREGRP9 NULL, NULL, 9, NULL, USE_PREFIX_USER_TABLE, NULL, 0
398 #define PREGRP10 NULL, NULL, 10, NULL, USE_PREFIX_USER_TABLE, NULL, 0
399 #define PREGRP11 NULL, NULL, 11, NULL, USE_PREFIX_USER_TABLE, NULL, 0
400 #define PREGRP12 NULL, NULL, 12, NULL, USE_PREFIX_USER_TABLE, NULL, 0
401 #define PREGRP13 NULL, NULL, 13, NULL, USE_PREFIX_USER_TABLE, NULL, 0
402 #define PREGRP14 NULL, NULL, 14, NULL, USE_PREFIX_USER_TABLE, NULL, 0
403 #define PREGRP15 NULL, NULL, 15, NULL, USE_PREFIX_USER_TABLE, NULL, 0
404 #define PREGRP16 NULL, NULL, 16, NULL, USE_PREFIX_USER_TABLE, NULL, 0
405 #define PREGRP17 NULL, NULL, 17, NULL, USE_PREFIX_USER_TABLE, NULL, 0
406 #define PREGRP18 NULL, NULL, 18, NULL, USE_PREFIX_USER_TABLE, NULL, 0
407 #define PREGRP19 NULL, NULL, 19, NULL, USE_PREFIX_USER_TABLE, NULL, 0
408 #define PREGRP20 NULL, NULL, 20, NULL, USE_PREFIX_USER_TABLE, NULL, 0
409 #define PREGRP21 NULL, NULL, 21, NULL, USE_PREFIX_USER_TABLE, NULL, 0
410 #define PREGRP22 NULL, NULL, 22, NULL, USE_PREFIX_USER_TABLE, NULL, 0
411 #define PREGRP23 NULL, NULL, 23, NULL, USE_PREFIX_USER_TABLE, NULL, 0
412 #define PREGRP24 NULL, NULL, 24, NULL, USE_PREFIX_USER_TABLE, NULL, 0
413 #define PREGRP25 NULL, NULL, 25, NULL, USE_PREFIX_USER_TABLE, NULL, 0
414 #define PREGRP26 NULL, NULL, 26, NULL, USE_PREFIX_USER_TABLE, NULL, 0
415
416 #define FLOATCODE 50
417 #define FLOAT NULL, NULL, FLOATCODE, NULL, 0, NULL, 0
418
419 struct dis386 {
420 const char *name;
421 op_rtn op1;
422 int bytemode1;
423 op_rtn op2;
424 int bytemode2;
425 op_rtn op3;
426 int bytemode3;
427 };
428
429 /* Upper case letters in the instruction names here are macros.
430 'A' => print 'b' if no register operands or suffix_always is true
431 'B' => print 'b' if suffix_always is true
432 'E' => print 'e' if 32-bit form of jcxz
433 'L' => print 'l' if suffix_always is true
434 'N' => print 'n' if instruction has no wait "prefix"
435 'O' => print 'd', or 'o'
436 'P' => print 'w', 'l' or 'q' if instruction has an operand size prefix,
437 or suffix_always is true
438 print 'q' if rex prefix is present.
439 'I' => print 'q' in 64bit mode and behave as 'P' otherwise
440 'Q' => print 'w', 'l' or 'q' if no register operands or suffix_always is true
441 'R' => print 'w', 'l' or 'q' ("wd" or "dq" in intel mode)
442 'S' => print 'w', 'l' or 'q' if suffix_always is true
443 'T' => print 'q' in 64bit mode and behave as 'I' otherwise
444 'X' => print 's', 'd' depending on data16 prefix (for XMM)
445 'W' => print 'b' or 'w' ("w" or "de" in intel mode)
446 'Y' => 'q' if instruction has an REX 64bit overwrite prefix
447 */
448
449 static const struct dis386 dis386_att[] = {
450 /* 00 */
451 { "addB", Eb, Gb, XX },
452 { "addS", Ev, Gv, XX },
453 { "addB", Gb, Eb, XX },
454 { "addS", Gv, Ev, XX },
455 { "addB", AL, Ib, XX },
456 { "addS", eAX, Iv, XX },
457 { "pushI", es, XX, XX },
458 { "popI", es, XX, XX },
459 /* 08 */
460 { "orB", Eb, Gb, XX },
461 { "orS", Ev, Gv, XX },
462 { "orB", Gb, Eb, XX },
463 { "orS", Gv, Ev, XX },
464 { "orB", AL, Ib, XX },
465 { "orS", eAX, Iv, XX },
466 { "pushI", cs, XX, XX },
467 { "(bad)", XX, XX, XX }, /* 0x0f extended opcode escape */
468 /* 10 */
469 { "adcB", Eb, Gb, XX },
470 { "adcS", Ev, Gv, XX },
471 { "adcB", Gb, Eb, XX },
472 { "adcS", Gv, Ev, XX },
473 { "adcB", AL, Ib, XX },
474 { "adcS", eAX, Iv, XX },
475 { "pushI", ss, XX, XX },
476 { "popI", ss, XX, XX },
477 /* 18 */
478 { "sbbB", Eb, Gb, XX },
479 { "sbbS", Ev, Gv, XX },
480 { "sbbB", Gb, Eb, XX },
481 { "sbbS", Gv, Ev, XX },
482 { "sbbB", AL, Ib, XX },
483 { "sbbS", eAX, Iv, XX },
484 { "pushI", ds, XX, XX },
485 { "popI", ds, XX, XX },
486 /* 20 */
487 { "andB", Eb, Gb, XX },
488 { "andS", Ev, Gv, XX },
489 { "andB", Gb, Eb, XX },
490 { "andS", Gv, Ev, XX },
491 { "andB", AL, Ib, XX },
492 { "andS", eAX, Iv, XX },
493 { "(bad)", XX, XX, XX }, /* SEG ES prefix */
494 { "daa", XX, XX, XX },
495 /* 28 */
496 { "subB", Eb, Gb, XX },
497 { "subS", Ev, Gv, XX },
498 { "subB", Gb, Eb, XX },
499 { "subS", Gv, Ev, XX },
500 { "subB", AL, Ib, XX },
501 { "subS", eAX, Iv, XX },
502 { "(bad)", XX, XX, XX }, /* SEG CS prefix */
503 { "das", XX, XX, XX },
504 /* 30 */
505 { "xorB", Eb, Gb, XX },
506 { "xorS", Ev, Gv, XX },
507 { "xorB", Gb, Eb, XX },
508 { "xorS", Gv, Ev, XX },
509 { "xorB", AL, Ib, XX },
510 { "xorS", eAX, Iv, XX },
511 { "(bad)", XX, XX, XX }, /* SEG SS prefix */
512 { "aaa", XX, XX, XX },
513 /* 38 */
514 { "cmpB", Eb, Gb, XX },
515 { "cmpS", Ev, Gv, XX },
516 { "cmpB", Gb, Eb, XX },
517 { "cmpS", Gv, Ev, XX },
518 { "cmpB", AL, Ib, XX },
519 { "cmpS", eAX, Iv, XX },
520 { "(bad)", XX, XX, XX }, /* SEG DS prefix */
521 { "aas", XX, XX, XX },
522 /* 40 */
523 { "incS", RMeAX, XX, XX },
524 { "incS", RMeCX, XX, XX },
525 { "incS", RMeDX, XX, XX },
526 { "incS", RMeBX, XX, XX },
527 { "incS", RMeSP, XX, XX },
528 { "incS", RMeBP, XX, XX },
529 { "incS", RMeSI, XX, XX },
530 { "incS", RMeDI, XX, XX },
531 /* 48 */
532 { "decS", RMeAX, XX, XX },
533 { "decS", RMeCX, XX, XX },
534 { "decS", RMeDX, XX, XX },
535 { "decS", RMeBX, XX, XX },
536 { "decS", RMeSP, XX, XX },
537 { "decS", RMeBP, XX, XX },
538 { "decS", RMeSI, XX, XX },
539 { "decS", RMeDI, XX, XX },
540 /* 50 */
541 { "pushS", RMeAX, XX, XX },
542 { "pushS", RMeCX, XX, XX },
543 { "pushS", RMeDX, XX, XX },
544 { "pushS", RMeBX, XX, XX },
545 { "pushS", RMeSP, XX, XX },
546 { "pushS", RMeBP, XX, XX },
547 { "pushS", RMeSI, XX, XX },
548 { "pushS", RMeDI, XX, XX },
549 /* 58 */
550 { "popS", RMeAX, XX, XX },
551 { "popS", RMeCX, XX, XX },
552 { "popS", RMeDX, XX, XX },
553 { "popS", RMeBX, XX, XX },
554 { "popS", RMeSP, XX, XX },
555 { "popS", RMeBP, XX, XX },
556 { "popS", RMeSI, XX, XX },
557 { "popS", RMeDI, XX, XX },
558 /* 60 */
559 { "pushaP", XX, XX, XX },
560 { "popaP", XX, XX, XX },
561 { "boundS", Gv, Ma, XX },
562 { "arpl", Ew, Gw, XX },
563 { "(bad)", XX, XX, XX }, /* seg fs */
564 { "(bad)", XX, XX, XX }, /* seg gs */
565 { "(bad)", XX, XX, XX }, /* op size prefix */
566 { "(bad)", XX, XX, XX }, /* adr size prefix */
567 /* 68 */
568 { "pushI", Iv, XX, XX }, /* 386 book wrong */
569 { "imulS", Gv, Ev, Iv },
570 { "pushI", sIb, XX, XX }, /* push of byte really pushes 2 or 4 bytes */
571 { "imulS", Gv, Ev, sIb },
572 { "insb", Yb, indirDX, XX },
573 { "insR", Yv, indirDX, XX },
574 { "outsb", indirDX, Xb, XX },
575 { "outsR", indirDX, Xv, XX },
576 /* 70 */
577 { "jo", Jb, XX, XX },
578 { "jno", Jb, XX, XX },
579 { "jb", Jb, XX, XX },
580 { "jae", Jb, XX, XX },
581 { "je", Jb, XX, XX },
582 { "jne", Jb, XX, XX },
583 { "jbe", Jb, XX, XX },
584 { "ja", Jb, XX, XX },
585 /* 78 */
586 { "js", Jb, XX, XX },
587 { "jns", Jb, XX, XX },
588 { "jp", Jb, XX, XX },
589 { "jnp", Jb, XX, XX },
590 { "jl", Jb, XX, XX },
591 { "jge", Jb, XX, XX },
592 { "jle", Jb, XX, XX },
593 { "jg", Jb, XX, XX },
594 /* 80 */
595 { GRP1b },
596 { GRP1S },
597 { "(bad)", XX, XX, XX },
598 { GRP1Ss },
599 { "testB", Eb, Gb, XX },
600 { "testS", Ev, Gv, XX },
601 { "xchgB", Eb, Gb, XX },
602 { "xchgS", Ev, Gv, XX },
603 /* 88 */
604 { "movB", Eb, Gb, XX },
605 { "movS", Ev, Gv, XX },
606 { "movB", Gb, Eb, XX },
607 { "movS", Gv, Ev, XX },
608 { "movQ", Ev, Sw, XX },
609 { "leaS", Gv, M, XX },
610 { "movQ", Sw, Ev, XX },
611 { "popT", Ev, XX, XX },
612 /* 90 */
613 { "nop", XX, XX, XX },
614 /* FIXME: NOP with REPz prefix is called PAUSE. */
615 { "xchgS", RMeCX, eAX, XX },
616 { "xchgS", RMeDX, eAX, XX },
617 { "xchgS", RMeBX, eAX, XX },
618 { "xchgS", RMeSP, eAX, XX },
619 { "xchgS", RMeBP, eAX, XX },
620 { "xchgS", RMeSI, eAX, XX },
621 { "xchgS", RMeDI, eAX, XX },
622 /* 98 */
623 { "cWtR", XX, XX, XX },
624 { "cRtO", XX, XX, XX },
625 { "lcallI", Ap, XX, XX },
626 { "(bad)", XX, XX, XX }, /* fwait */
627 { "pushfI", XX, XX, XX },
628 { "popfI", XX, XX, XX },
629 { "sahf", XX, XX, XX },
630 { "lahf", XX, XX, XX },
631 /* a0 */
632 { "movB", AL, Ob, XX },
633 { "movS", eAX, Ov, XX },
634 { "movB", Ob, AL, XX },
635 { "movS", Ov, eAX, XX },
636 { "movsb", Yb, Xb, XX },
637 { "movsR", Yv, Xv, XX },
638 { "cmpsb", Xb, Yb, XX },
639 { "cmpsR", Xv, Yv, XX },
640 /* a8 */
641 { "testB", AL, Ib, XX },
642 { "testS", eAX, Iv, XX },
643 { "stosB", Yb, AL, XX },
644 { "stosS", Yv, eAX, XX },
645 { "lodsB", AL, Xb, XX },
646 { "lodsS", eAX, Xv, XX },
647 { "scasB", AL, Yb, XX },
648 { "scasS", eAX, Yv, XX },
649 /* b0 */
650 { "movB", RMAL, Ib, XX },
651 { "movB", RMCL, Ib, XX },
652 { "movB", RMDL, Ib, XX },
653 { "movB", RMBL, Ib, XX },
654 { "movB", RMAH, Ib, XX },
655 { "movB", RMCH, Ib, XX },
656 { "movB", RMDH, Ib, XX },
657 { "movB", RMBH, Ib, XX },
658 /* b8 */
659 { "movS", RMeAX, Iv, XX },
660 { "movS", RMeCX, Iv, XX },
661 { "movS", RMeDX, Iv, XX },
662 { "movS", RMeBX, Iv, XX },
663 { "movS", RMeSP, Iv, XX },
664 { "movS", RMeBP, Iv, XX },
665 { "movS", RMeSI, Iv, XX },
666 { "movS", RMeDI, Iv, XX },
667 /* c0 */
668 { GRP2b },
669 { GRP2S },
670 { "retI", Iw, XX, XX },
671 { "retI", XX, XX, XX },
672 { "lesS", Gv, Mp, XX },
673 { "ldsS", Gv, Mp, XX },
674 { "movA", Eb, Ib, XX },
675 { "movQ", Ev, Iv, XX },
676 /* c8 */
677 { "enterI", Iw, Ib, XX },
678 { "leaveI", XX, XX, XX },
679 { "lretP", Iw, XX, XX },
680 { "lretP", XX, XX, XX },
681 { "int3", XX, XX, XX },
682 { "int", Ib, XX, XX },
683 { "into", XX, XX, XX},
684 { "iretP", XX, XX, XX },
685 /* d0 */
686 { GRP2b_one },
687 { GRP2S_one },
688 { GRP2b_cl },
689 { GRP2S_cl },
690 { "aam", sIb, XX, XX },
691 { "aad", sIb, XX, XX },
692 { "(bad)", XX, XX, XX },
693 { "xlat", DSBX, XX, XX },
694 /* d8 */
695 { FLOAT },
696 { FLOAT },
697 { FLOAT },
698 { FLOAT },
699 { FLOAT },
700 { FLOAT },
701 { FLOAT },
702 { FLOAT },
703 /* e0 */
704 { "loopne", Jb, XX, XX },
705 { "loope", Jb, XX, XX },
706 { "loop", Jb, XX, XX },
707 { "jEcxz", Jb, XX, XX },
708 { "inB", AL, Ib, XX },
709 { "inS", eAX, Ib, XX },
710 { "outB", Ib, AL, XX },
711 { "outS", Ib, eAX, XX },
712 /* e8 */
713 { "callI", Jv, XX, XX },
714 { "jmpI", Jv, XX, XX },
715 { "ljmpI", Ap, XX, XX },
716 { "jmp", Jb, XX, XX },
717 { "inB", AL, indirDX, XX },
718 { "inS", eAX, indirDX, XX },
719 { "outB", indirDX, AL, XX },
720 { "outS", indirDX, eAX, XX },
721 /* f0 */
722 { "(bad)", XX, XX, XX }, /* lock prefix */
723 { "(bad)", XX, XX, XX },
724 { "(bad)", XX, XX, XX }, /* repne */
725 { "(bad)", XX, XX, XX }, /* repz */
726 { "hlt", XX, XX, XX },
727 { "cmc", XX, XX, XX },
728 { GRP3b },
729 { GRP3S },
730 /* f8 */
731 { "clc", XX, XX, XX },
732 { "stc", XX, XX, XX },
733 { "cli", XX, XX, XX },
734 { "sti", XX, XX, XX },
735 { "cld", XX, XX, XX },
736 { "std", XX, XX, XX },
737 { GRP4 },
738 { GRP5 },
739 };
740
741 static const struct dis386 dis386_intel[] = {
742 /* 00 */
743 { "add", Eb, Gb, XX },
744 { "add", Ev, Gv, XX },
745 { "add", Gb, Eb, XX },
746 { "add", Gv, Ev, XX },
747 { "add", AL, Ib, XX },
748 { "add", eAX, Iv, XX },
749 { "push", es, XX, XX },
750 { "pop", es, XX, XX },
751 /* 08 */
752 { "or", Eb, Gb, XX },
753 { "or", Ev, Gv, XX },
754 { "or", Gb, Eb, XX },
755 { "or", Gv, Ev, XX },
756 { "or", AL, Ib, XX },
757 { "or", eAX, Iv, XX },
758 { "push", cs, XX, XX },
759 { "(bad)", XX, XX, XX }, /* 0x0f extended opcode escape */
760 /* 10 */
761 { "adc", Eb, Gb, XX },
762 { "adc", Ev, Gv, XX },
763 { "adc", Gb, Eb, XX },
764 { "adc", Gv, Ev, XX },
765 { "adc", AL, Ib, XX },
766 { "adc", eAX, Iv, XX },
767 { "push", ss, XX, XX },
768 { "pop", ss, XX, XX },
769 /* 18 */
770 { "sbb", Eb, Gb, XX },
771 { "sbb", Ev, Gv, XX },
772 { "sbb", Gb, Eb, XX },
773 { "sbb", Gv, Ev, XX },
774 { "sbb", AL, Ib, XX },
775 { "sbb", eAX, Iv, XX },
776 { "push", ds, XX, XX },
777 { "pop", ds, XX, XX },
778 /* 20 */
779 { "and", Eb, Gb, XX },
780 { "and", Ev, Gv, XX },
781 { "and", Gb, Eb, XX },
782 { "and", Gv, Ev, XX },
783 { "and", AL, Ib, XX },
784 { "and", eAX, Iv, XX },
785 { "(bad)", XX, XX, XX }, /* SEG ES prefix */
786 { "daa", XX, XX, XX },
787 /* 28 */
788 { "sub", Eb, Gb, XX },
789 { "sub", Ev, Gv, XX },
790 { "sub", Gb, Eb, XX },
791 { "sub", Gv, Ev, XX },
792 { "sub", AL, Ib, XX },
793 { "sub", eAX, Iv, XX },
794 { "(bad)", XX, XX, XX }, /* SEG CS prefix */
795 { "das", XX, XX, XX },
796 /* 30 */
797 { "xor", Eb, Gb, XX },
798 { "xor", Ev, Gv, XX },
799 { "xor", Gb, Eb, XX },
800 { "xor", Gv, Ev, XX },
801 { "xor", AL, Ib, XX },
802 { "xor", eAX, Iv, XX },
803 { "(bad)", XX, XX, XX }, /* SEG SS prefix */
804 { "aaa", XX, XX, XX },
805 /* 38 */
806 { "cmp", Eb, Gb, XX },
807 { "cmp", Ev, Gv, XX },
808 { "cmp", Gb, Eb, XX },
809 { "cmp", Gv, Ev, XX },
810 { "cmp", AL, Ib, XX },
811 { "cmp", eAX, Iv, XX },
812 { "(bad)", XX, XX, XX }, /* SEG DS prefix */
813 { "aas", XX, XX, XX },
814 /* 40 */
815 { "inc", RMeAX, XX, XX },
816 { "inc", RMeCX, XX, XX },
817 { "inc", RMeDX, XX, XX },
818 { "inc", RMeBX, XX, XX },
819 { "inc", RMeSP, XX, XX },
820 { "inc", RMeBP, XX, XX },
821 { "inc", RMeSI, XX, XX },
822 { "inc", RMeDI, XX, XX },
823 /* 48 */
824 { "dec", RMeAX, XX, XX },
825 { "dec", RMeCX, XX, XX },
826 { "dec", RMeDX, XX, XX },
827 { "dec", RMeBX, XX, XX },
828 { "dec", RMeSP, XX, XX },
829 { "dec", RMeBP, XX, XX },
830 { "dec", RMeSI, XX, XX },
831 { "dec", RMeDI, XX, XX },
832 /* 50 */
833 { "push", RMeAX, XX, XX },
834 { "push", RMeCX, XX, XX },
835 { "push", RMeDX, XX, XX },
836 { "push", RMeBX, XX, XX },
837 { "push", RMeSP, XX, XX },
838 { "push", RMeBP, XX, XX },
839 { "push", RMeSI, XX, XX },
840 { "push", RMeDI, XX, XX },
841 /* 58 */
842 { "pop", RMeAX, XX, XX },
843 { "pop", RMeCX, XX, XX },
844 { "pop", RMeDX, XX, XX },
845 { "pop", RMeBX, XX, XX },
846 { "pop", RMeSP, XX, XX },
847 { "pop", RMeBP, XX, XX },
848 { "pop", RMeSI, XX, XX },
849 { "pop", RMeDI, XX, XX },
850 /* 60 */
851 { "pusha", XX, XX, XX },
852 { "popa", XX, XX, XX },
853 { "bound", Gv, Ma, XX },
854 { "arpl", Ew, Gw, XX },
855 { "(bad)", XX, XX, XX }, /* seg fs */
856 { "(bad)", XX, XX, XX }, /* seg gs */
857 { "(bad)", XX, XX, XX }, /* op size prefix */
858 { "(bad)", XX, XX, XX }, /* adr size prefix */
859 /* 68 */
860 { "push", Iv, XX, XX }, /* 386 book wrong */
861 { "imul", Gv, Ev, Iv },
862 { "push", sIb, XX, XX }, /* push of byte really pushes 2 or 4 bytes */
863 { "imul", Gv, Ev, sIb },
864 { "ins", Yb, indirDX, XX },
865 { "ins", Yv, indirDX, XX },
866 { "outs", indirDX, Xb, XX },
867 { "outs", indirDX, Xv, XX },
868 /* 70 */
869 { "jo", Jb, XX, XX },
870 { "jno", Jb, XX, XX },
871 { "jb", Jb, XX, XX },
872 { "jae", Jb, XX, XX },
873 { "je", Jb, XX, XX },
874 { "jne", Jb, XX, XX },
875 { "jbe", Jb, XX, XX },
876 { "ja", Jb, XX, XX },
877 /* 78 */
878 { "js", Jb, XX, XX },
879 { "jns", Jb, XX, XX },
880 { "jp", Jb, XX, XX },
881 { "jnp", Jb, XX, XX },
882 { "jl", Jb, XX, XX },
883 { "jge", Jb, XX, XX },
884 { "jle", Jb, XX, XX },
885 { "jg", Jb, XX, XX },
886 /* 80 */
887 { GRP1b },
888 { GRP1S },
889 { "(bad)", XX, XX, XX },
890 { GRP1Ss },
891 { "test", Eb, Gb, XX },
892 { "test", Ev, Gv, XX },
893 { "xchg", Eb, Gb, XX },
894 { "xchg", Ev, Gv, XX },
895 /* 88 */
896 { "mov", Eb, Gb, XX },
897 { "mov", Ev, Gv, XX },
898 { "mov", Gb, Eb, XX },
899 { "mov", Gv, Ev, XX },
900 { "mov", Ev, Sw, XX },
901 { "lea", Gv, M, XX },
902 { "mov", Sw, Ev, XX },
903 { "pop", Ev, XX, XX },
904 /* 90 */
905 { "nop", XX, XX, XX },
906 /* FIXME: NOP with REPz prefix is called PAUSE. */
907 { "xchg", RMeCX, eAX, XX },
908 { "xchg", RMeDX, eAX, XX },
909 { "xchg", RMeBX, eAX, XX },
910 { "xchg", RMeSP, eAX, XX },
911 { "xchg", RMeBP, eAX, XX },
912 { "xchg", RMeSI, eAX, XX },
913 { "xchg", RMeDI, eAX, XX },
914 /* 98 */
915 { "cW", XX, XX, XX }, /* cwde and cbw */
916 { "cR", XX, XX, XX }, /* cdq and cwd */
917 { "lcall", Ap, XX, XX },
918 { "(bad)", XX, XX, XX }, /* fwait */
919 { "pushf", XX, XX, XX },
920 { "popf", XX, XX, XX },
921 { "sahf", XX, XX, XX },
922 { "lahf", XX, XX, XX },
923 /* a0 */
924 { "mov", AL, Ob, XX },
925 { "mov", eAX, Ov, XX },
926 { "mov", Ob, AL, XX },
927 { "mov", Ov, eAX, XX },
928 { "movs", Yb, Xb, XX },
929 { "movs", Yv, Xv, XX },
930 { "cmps", Xb, Yb, XX },
931 { "cmps", Xv, Yv, XX },
932 /* a8 */
933 { "test", AL, Ib, XX },
934 { "test", eAX, Iv, XX },
935 { "stos", Yb, AL, XX },
936 { "stos", Yv, eAX, XX },
937 { "lods", AL, Xb, XX },
938 { "lods", eAX, Xv, XX },
939 { "scas", AL, Yb, XX },
940 { "scas", eAX, Yv, XX },
941 /* b0 */
942 { "mov", RMAL, Ib, XX },
943 { "mov", RMCL, Ib, XX },
944 { "mov", RMDL, Ib, XX },
945 { "mov", RMBL, Ib, XX },
946 { "mov", RMAH, Ib, XX },
947 { "mov", RMCH, Ib, XX },
948 { "mov", RMDH, Ib, XX },
949 { "mov", RMBH, Ib, XX },
950 /* b8 */
951 { "mov", RMeAX, Iv, XX },
952 { "mov", RMeCX, Iv, XX },
953 { "mov", RMeDX, Iv, XX },
954 { "mov", RMeBX, Iv, XX },
955 { "mov", RMeSP, Iv, XX },
956 { "mov", RMeBP, Iv, XX },
957 { "mov", RMeSI, Iv, XX },
958 { "mov", RMeDI, Iv, XX },
959 /* c0 */
960 { GRP2b },
961 { GRP2S },
962 { "ret", Iw, XX, XX },
963 { "ret", XX, XX, XX },
964 { "les", Gv, Mp, XX },
965 { "lds", Gv, Mp, XX },
966 { "mov", Eb, Ib, XX },
967 { "mov", Ev, Iv, XX },
968 /* c8 */
969 { "enter", Iw, Ib, XX },
970 { "leave", XX, XX, XX },
971 { "lret", Iw, XX, XX },
972 { "lret", XX, XX, XX },
973 { "int3", XX, XX, XX },
974 { "int", Ib, XX, XX },
975 { "into", XX, XX, XX },
976 { "iret", XX, XX, XX },
977 /* d0 */
978 { GRP2b_one },
979 { GRP2S_one },
980 { GRP2b_cl },
981 { GRP2S_cl },
982 { "aam", sIb, XX, XX },
983 { "aad", sIb, XX, XX },
984 { "(bad)", XX, XX, XX },
985 { "xlat", DSBX, XX, XX },
986 /* d8 */
987 { FLOAT },
988 { FLOAT },
989 { FLOAT },
990 { FLOAT },
991 { FLOAT },
992 { FLOAT },
993 { FLOAT },
994 { FLOAT },
995 /* e0 */
996 { "loopne", Jb, XX, XX },
997 { "loope", Jb, XX, XX },
998 { "loop", Jb, XX, XX },
999 { "jEcxz", Jb, XX, XX },
1000 { "in", AL, Ib, XX },
1001 { "in", eAX, Ib, XX },
1002 { "out", Ib, AL, XX },
1003 { "out", Ib, eAX, XX },
1004 /* e8 */
1005 { "call", Jv, XX, XX },
1006 { "jmp", Jv, XX, XX },
1007 { "ljmp", Ap, XX, XX },
1008 { "jmp", Jb, XX, XX },
1009 { "in", AL, indirDX, XX },
1010 { "in", eAX, indirDX, XX },
1011 { "out", indirDX, AL, XX },
1012 { "out", indirDX, eAX, XX },
1013 /* f0 */
1014 { "(bad)", XX, XX, XX }, /* lock prefix */
1015 { "(bad)", XX, XX, XX },
1016 { "(bad)", XX, XX, XX }, /* repne */
1017 { "(bad)", XX, XX, XX }, /* repz */
1018 { "hlt", XX, XX, XX },
1019 { "cmc", XX, XX, XX },
1020 { GRP3b },
1021 { GRP3S },
1022 /* f8 */
1023 { "clc", XX, XX, XX },
1024 { "stc", XX, XX, XX },
1025 { "cli", XX, XX, XX },
1026 { "sti", XX, XX, XX },
1027 { "cld", XX, XX, XX },
1028 { "std", XX, XX, XX },
1029 { GRP4 },
1030 { GRP5 },
1031 };
1032
1033 /* 64bit mode is having some instruction set differences, so separate table is
1034 needed. */
1035 static const struct dis386 disx86_64_att[] = {
1036 /* 00 */
1037 { "addB", Eb, Gb, XX },
1038 { "addS", Ev, Gv, XX },
1039 { "addB", Gb, Eb, XX },
1040 { "addS", Gv, Ev, XX },
1041 { "addB", AL, Ib, XX },
1042 { "addS", eAX, Iv, XX },
1043 { "(bad)", XX, XX, XX }, /* Reserved. */
1044 { "(bad)", XX, XX, XX }, /* Reserved. */
1045 /* 08 */
1046 { "orB", Eb, Gb, XX },
1047 { "orS", Ev, Gv, XX },
1048 { "orB", Gb, Eb, XX },
1049 { "orS", Gv, Ev, XX },
1050 { "orB", AL, Ib, XX },
1051 { "orS", eAX, Iv, XX },
1052 { "(bad)", XX, XX, XX }, /* Reserved. */
1053 { "(bad)", XX, XX, XX }, /* 0x0f extended opcode escape */
1054 /* 10 */
1055 { "adcB", Eb, Gb, XX },
1056 { "adcS", Ev, Gv, XX },
1057 { "adcB", Gb, Eb, XX },
1058 { "adcS", Gv, Ev, XX },
1059 { "adcB", AL, Ib, XX },
1060 { "adcS", eAX, Iv, XX },
1061 { "(bad)", XX, XX, XX }, /* Reserved. */
1062 { "(bad)", XX, XX, XX }, /* Reserved. */
1063 /* 18 */
1064 { "sbbB", Eb, Gb, XX },
1065 { "sbbS", Ev, Gv, XX },
1066 { "sbbB", Gb, Eb, XX },
1067 { "sbbS", Gv, Ev, XX },
1068 { "sbbB", AL, Ib, XX },
1069 { "sbbS", eAX, Iv, XX },
1070 { "(bad)", XX, XX, XX }, /* Reserved. */
1071 { "(bad)", XX, XX, XX }, /* Reserved. */
1072 /* 20 */
1073 { "andB", Eb, Gb, XX },
1074 { "andS", Ev, Gv, XX },
1075 { "andB", Gb, Eb, XX },
1076 { "andS", Gv, Ev, XX },
1077 { "andB", AL, Ib, XX },
1078 { "andS", eAX, Iv, XX },
1079 { "(bad)", XX, XX, XX }, /* SEG ES prefix */
1080 { "(bad)", XX, XX, XX }, /* Reserved. */
1081 /* 28 */
1082 { "subB", Eb, Gb, XX },
1083 { "subS", Ev, Gv, XX },
1084 { "subB", Gb, Eb, XX },
1085 { "subS", Gv, Ev, XX },
1086 { "subB", AL, Ib, XX },
1087 { "subS", eAX, Iv, XX },
1088 { "(bad)", XX, XX, XX }, /* SEG CS prefix */
1089 { "(bad)", XX, XX, XX }, /* Reserved. */
1090 /* 30 */
1091 { "xorB", Eb, Gb, XX },
1092 { "xorS", Ev, Gv, XX },
1093 { "xorB", Gb, Eb, XX },
1094 { "xorS", Gv, Ev, XX },
1095 { "xorB", AL, Ib, XX },
1096 { "xorS", eAX, Iv, XX },
1097 { "(bad)", XX, XX, XX }, /* SEG SS prefix */
1098 { "(bad)", XX, XX, XX }, /* Reserved. */
1099 /* 38 */
1100 { "cmpB", Eb, Gb, XX },
1101 { "cmpS", Ev, Gv, XX },
1102 { "cmpB", Gb, Eb, XX },
1103 { "cmpS", Gv, Ev, XX },
1104 { "cmpB", AL, Ib, XX },
1105 { "cmpS", eAX, Iv, XX },
1106 { "(bad)", XX, XX, XX }, /* SEG DS prefix */
1107 { "(bad)", XX, XX, XX }, /* Reserved. */
1108 /* 40 */
1109 { "(bad)", XX, XX, XX }, /* REX prefix area. */
1110 { "(bad)", XX, XX, XX },
1111 { "(bad)", XX, XX, XX },
1112 { "(bad)", XX, XX, XX },
1113 { "(bad)", XX, XX, XX },
1114 { "(bad)", XX, XX, XX },
1115 { "(bad)", XX, XX, XX },
1116 { "(bad)", XX, XX, XX },
1117 /* 48 */
1118 { "(bad)", XX, XX, XX },
1119 { "(bad)", XX, XX, XX },
1120 { "(bad)", XX, XX, XX },
1121 { "(bad)", XX, XX, XX },
1122 { "(bad)", XX, XX, XX },
1123 { "(bad)", XX, XX, XX },
1124 { "(bad)", XX, XX, XX },
1125 { "(bad)", XX, XX, XX },
1126 /* 50 */
1127 { "pushI", RMrAX, XX, XX },
1128 { "pushI", RMrCX, XX, XX },
1129 { "pushI", RMrDX, XX, XX },
1130 { "pushI", RMrBX, XX, XX },
1131 { "pushI", RMrSP, XX, XX },
1132 { "pushI", RMrBP, XX, XX },
1133 { "pushI", RMrSI, XX, XX },
1134 { "pushI", RMrDI, XX, XX },
1135 /* 58 */
1136 { "popI", RMrAX, XX, XX },
1137 { "popI", RMrCX, XX, XX },
1138 { "popI", RMrDX, XX, XX },
1139 { "popI", RMrBX, XX, XX },
1140 { "popI", RMrSP, XX, XX },
1141 { "popI", RMrBP, XX, XX },
1142 { "popI", RMrSI, XX, XX },
1143 { "popI", RMrDI, XX, XX },
1144 /* 60 */
1145 { "(bad)", XX, XX, XX }, /* reserved. */
1146 { "(bad)", XX, XX, XX }, /* reserved. */
1147 { "(bad)", XX, XX, XX }, /* reserved. */
1148 { "movslR", Gv, Ed, XX },
1149 { "(bad)", XX, XX, XX }, /* seg fs */
1150 { "(bad)", XX, XX, XX }, /* seg gs */
1151 { "(bad)", XX, XX, XX }, /* op size prefix */
1152 { "(bad)", XX, XX, XX }, /* adr size prefix */
1153 /* 68 */
1154 { "pushI", Iq, XX, XX }, /* 386 book wrong */
1155 { "imulS", Gv, Ev, Iv },
1156 { "pushI", sIb, XX, XX }, /* push of byte really pushes 2 or 4 bytes */
1157 { "imulS", Gv, Ev, sIb },
1158 { "insb", Yb, indirDX, XX },
1159 { "insR", Yv, indirDX, XX },
1160 { "outsb", indirDX, Xb, XX },
1161 { "outsR", indirDX, Xv, XX },
1162 /* 70 */
1163 { "jo", Jb, XX, XX },
1164 { "jno", Jb, XX, XX },
1165 { "jb", Jb, XX, XX },
1166 { "jae", Jb, XX, XX },
1167 { "je", Jb, XX, XX },
1168 { "jne", Jb, XX, XX },
1169 { "jbe", Jb, XX, XX },
1170 { "ja", Jb, XX, XX },
1171 /* 78 */
1172 { "js", Jb, XX, XX },
1173 { "jns", Jb, XX, XX },
1174 { "jp", Jb, XX, XX },
1175 { "jnp", Jb, XX, XX },
1176 { "jl", Jb, XX, XX },
1177 { "jge", Jb, XX, XX },
1178 { "jle", Jb, XX, XX },
1179 { "jg", Jb, XX, XX },
1180 /* 80 */
1181 { GRP1b },
1182 { GRP1S },
1183 { "(bad)", XX, XX, XX },
1184 { GRP1Ss },
1185 { "testB", Eb, Gb, XX },
1186 { "testS", Ev, Gv, XX },
1187 { "xchgB", Eb, Gb, XX },
1188 { "xchgS", Ev, Gv, XX },
1189 /* 88 */
1190 { "movB", Eb, Gb, XX },
1191 { "movS", Ev, Gv, XX },
1192 { "movB", Gb, Eb, XX },
1193 { "movS", Gv, Ev, XX },
1194 { "movQ", Ev, Sw, XX },
1195 { "leaS", Gv, M, XX },
1196 { "movQ", Sw, Ev, XX },
1197 { "popI", Ev, XX, XX },
1198 /* 90 */
1199 { "nop", XX, XX, XX },
1200 /* FIXME: NOP with REPz prefix is called PAUSE. */
1201 { "xchgS", RMeCX, eAX, XX },
1202 { "xchgS", RMeDX, eAX, XX },
1203 { "xchgS", RMeBX, eAX, XX },
1204 { "xchgS", RMeSP, eAX, XX },
1205 { "xchgS", RMeBP, eAX, XX },
1206 { "xchgS", RMeSI, eAX, XX },
1207 { "xchgS", RMeDI, eAX, XX },
1208 /* 98 */
1209 { "cWtR", XX, XX, XX },
1210 { "cRtO", XX, XX, XX },
1211 { "(bad)", XX, XX, XX }, /* reserved. */
1212 { "(bad)", XX, XX, XX }, /* fwait */
1213 { "pushfI", XX, XX, XX },
1214 { "popfI", XX, XX, XX },
1215 { "(bad)", XX, XX, XX }, /* reserved. */
1216 { "(bad)", XX, XX, XX }, /* reserved. */
1217 /* a0 */
1218 { "movB", AL, Ob64, XX },
1219 { "movS", eAX, Ov64, XX },
1220 { "movB", Ob64, AL, XX },
1221 { "movS", Ov64, eAX, XX },
1222 { "movsb", Yb, Xb, XX },
1223 { "movsR", Yv, Xv, XX },
1224 { "cmpsb", Xb, Yb, XX },
1225 { "cmpsR", Xv, Yv, XX },
1226 /* a8 */
1227 { "testB", AL, Ib, XX },
1228 { "testS", eAX, Iv, XX },
1229 { "stosB", Yb, AL, XX },
1230 { "stosS", Yv, eAX, XX },
1231 { "lodsB", AL, Xb, XX },
1232 { "lodsS", eAX, Xv, XX },
1233 { "scasB", AL, Yb, XX },
1234 { "scasS", eAX, Yv, XX },
1235 /* b0 */
1236 { "movB", RMAL, Ib, XX },
1237 { "movB", RMCL, Ib, XX },
1238 { "movB", RMDL, Ib, XX },
1239 { "movB", RMBL, Ib, XX },
1240 { "movB", RMAH, Ib, XX },
1241 { "movB", RMCH, Ib, XX },
1242 { "movB", RMDH, Ib, XX },
1243 { "movB", RMBH, Ib, XX },
1244 /* b8 */
1245 { "movS", RMeAX, Iv64, XX },
1246 { "movS", RMeCX, Iv64, XX },
1247 { "movS", RMeDX, Iv64, XX },
1248 { "movS", RMeBX, Iv64, XX },
1249 { "movS", RMeSP, Iv64, XX },
1250 { "movS", RMeBP, Iv64, XX },
1251 { "movS", RMeSI, Iv64, XX },
1252 { "movS", RMeDI, Iv64, XX },
1253 /* c0 */
1254 { GRP2b },
1255 { GRP2S },
1256 { "retI", Iw, XX, XX },
1257 { "retI", XX, XX, XX },
1258 { "(bad)", XX, XX, XX }, /* reserved. */
1259 { "ldsS", Gv, Mp, XX },
1260 { "movA", Eb, Ib, XX },
1261 { "movQ", Ev, Iv, XX },
1262 /* c8 */
1263 { "enterI", Iw, Ib, XX },
1264 { "leaveI", XX, XX, XX },
1265 { "lretP", Iw, XX, XX },
1266 { "lretP", XX, XX, XX },
1267 { "int3", XX, XX, XX },
1268 { "int", Ib, XX, XX },
1269 { "(bad)", XX, XX, XX }, /* reserved. */
1270 { "iretP", XX, XX, XX },
1271 /* d0 */
1272 { GRP2b_one },
1273 { GRP2S_one },
1274 { GRP2b_cl },
1275 { GRP2S_cl },
1276 { "(bad)", XX, XX, XX }, /* reserved. */
1277 { "(bad)", XX, XX, XX }, /* reserved. */
1278 { "(bad)", XX, XX, XX }, /* reserved. */
1279 { "xlat", DSBX, XX, XX },
1280 /* d8 */
1281 { FLOAT },
1282 { FLOAT },
1283 { FLOAT },
1284 { FLOAT },
1285 { FLOAT },
1286 { FLOAT },
1287 { FLOAT },
1288 { FLOAT },
1289 /* e0 */
1290 { "loopne", Jb, XX, XX },
1291 { "loope", Jb, XX, XX },
1292 { "loop", Jb, XX, XX },
1293 { "jEcxz", Jb, XX, XX },
1294 { "inB", AL, Ib, XX },
1295 { "inS", eAX, Ib, XX },
1296 { "outB", Ib, AL, XX },
1297 { "outS", Ib, eAX, XX },
1298 /* e8 */
1299 { "callI", Jv, XX, XX },
1300 { "jmpI", Jv, XX, XX },
1301 { "(bad)", XX, XX, XX }, /* reserved. */
1302 { "jmp", Jb, XX, XX },
1303 { "inB", AL, indirDX, XX },
1304 { "inS", eAX, indirDX, XX },
1305 { "outB", indirDX, AL, XX },
1306 { "outS", indirDX, eAX, XX },
1307 /* f0 */
1308 { "(bad)", XX, XX, XX }, /* lock prefix */
1309 { "(bad)", XX, XX, XX },
1310 { "(bad)", XX, XX, XX }, /* repne */
1311 { "(bad)", XX, XX, XX }, /* repz */
1312 { "hlt", XX, XX, XX },
1313 { "cmc", XX, XX, XX },
1314 { GRP3b },
1315 { GRP3S },
1316 /* f8 */
1317 { "clc", XX, XX, XX },
1318 { "stc", XX, XX, XX },
1319 { "cli", XX, XX, XX },
1320 { "sti", XX, XX, XX },
1321 { "cld", XX, XX, XX },
1322 { "std", XX, XX, XX },
1323 { GRP4 },
1324 { GRP5 },
1325 };
1326
1327 static const struct dis386 dis386_64_intel[] = {
1328 /* 00 */
1329 { "add", Eb, Gb, XX },
1330 { "add", Ev, Gv, XX },
1331 { "add", Gb, Eb, XX },
1332 { "add", Gv, Ev, XX },
1333 { "add", AL, Ib, XX },
1334 { "add", eAX, Iv, XX },
1335 { "(bad)", XX, XX, XX }, /* Reserved. */
1336 { "(bad)", XX, XX, XX }, /* Reserved. */
1337 /* 08 */
1338 { "or", Eb, Gb, XX },
1339 { "or", Ev, Gv, XX },
1340 { "or", Gb, Eb, XX },
1341 { "or", Gv, Ev, XX },
1342 { "or", AL, Ib, XX },
1343 { "or", eAX, Iv, XX },
1344 { "(bad)", XX, XX, XX }, /* Reserved. */
1345 { "(bad)", XX, XX, XX }, /* 0x0f extended opcode escape */
1346 /* 10 */
1347 { "adc", Eb, Gb, XX },
1348 { "adc", Ev, Gv, XX },
1349 { "adc", Gb, Eb, XX },
1350 { "adc", Gv, Ev, XX },
1351 { "adc", AL, Ib, XX },
1352 { "adc", eAX, Iv, XX },
1353 { "(bad)", XX, XX, XX }, /* Reserved. */
1354 { "(bad)", XX, XX, XX }, /* Reserved. */
1355 /* 18 */
1356 { "sbb", Eb, Gb, XX },
1357 { "sbb", Ev, Gv, XX },
1358 { "sbb", Gb, Eb, XX },
1359 { "sbb", Gv, Ev, XX },
1360 { "sbb", AL, Ib, XX },
1361 { "sbb", eAX, Iv, XX },
1362 { "(bad)", XX, XX, XX }, /* Reserved. */
1363 { "(bad)", XX, XX, XX }, /* Reserved. */
1364 /* 20 */
1365 { "and", Eb, Gb, XX },
1366 { "and", Ev, Gv, XX },
1367 { "and", Gb, Eb, XX },
1368 { "and", Gv, Ev, XX },
1369 { "and", AL, Ib, XX },
1370 { "and", eAX, Iv, XX },
1371 { "(bad)", XX, XX, XX }, /* SEG ES prefix */
1372 { "(bad)", XX, XX, XX }, /* Reserved. */
1373 /* 28 */
1374 { "sub", Eb, Gb, XX },
1375 { "sub", Ev, Gv, XX },
1376 { "sub", Gb, Eb, XX },
1377 { "sub", Gv, Ev, XX },
1378 { "sub", AL, Ib, XX },
1379 { "sub", eAX, Iv, XX },
1380 { "(bad)", XX, XX, XX }, /* SEG CS prefix */
1381 { "(bad)", XX, XX, XX }, /* Reserved. */
1382 /* 30 */
1383 { "xor", Eb, Gb, XX },
1384 { "xor", Ev, Gv, XX },
1385 { "xor", Gb, Eb, XX },
1386 { "xor", Gv, Ev, XX },
1387 { "xor", AL, Ib, XX },
1388 { "xor", eAX, Iv, XX },
1389 { "(bad)", XX, XX, XX }, /* SEG SS prefix */
1390 { "(bad)", XX, XX, XX }, /* Reserved. */
1391 /* 38 */
1392 { "cmp", Eb, Gb, XX },
1393 { "cmp", Ev, Gv, XX },
1394 { "cmp", Gb, Eb, XX },
1395 { "cmp", Gv, Ev, XX },
1396 { "cmp", AL, Ib, XX },
1397 { "cmp", eAX, Iv, XX },
1398 { "(bad)", XX, XX, XX }, /* SEG DS prefix */
1399 { "(bad)", XX, XX, XX }, /* Reserved. */
1400 /* 40 */
1401 { "(bad)", XX, XX, XX }, /* REX prefix area. */
1402 { "(bad)", XX, XX, XX },
1403 { "(bad)", XX, XX, XX },
1404 { "(bad)", XX, XX, XX },
1405 { "(bad)", XX, XX, XX },
1406 { "(bad)", XX, XX, XX },
1407 { "(bad)", XX, XX, XX },
1408 { "(bad)", XX, XX, XX },
1409 /* 48 */
1410 { "(bad)", XX, XX, XX },
1411 { "(bad)", XX, XX, XX },
1412 { "(bad)", XX, XX, XX },
1413 { "(bad)", XX, XX, XX },
1414 { "(bad)", XX, XX, XX },
1415 { "(bad)", XX, XX, XX },
1416 { "(bad)", XX, XX, XX },
1417 { "(bad)", XX, XX, XX },
1418 /* 50 */
1419 { "push", RMrAX, XX, XX },
1420 { "push", RMrCX, XX, XX },
1421 { "push", RMrDX, XX, XX },
1422 { "push", RMrBX, XX, XX },
1423 { "push", RMrSP, XX, XX },
1424 { "push", RMrBP, XX, XX },
1425 { "push", RMrSI, XX, XX },
1426 { "push", RMrDI, XX, XX },
1427 /* 58 */
1428 { "pop", RMrAX, XX, XX },
1429 { "pop", RMrCX, XX, XX },
1430 { "pop", RMrDX, XX, XX },
1431 { "pop", RMrBX, XX, XX },
1432 { "pop", RMrSP, XX, XX },
1433 { "pop", RMrBP, XX, XX },
1434 { "pop", RMrSI, XX, XX },
1435 { "pop", RMrDI, XX, XX },
1436 /* 60 */
1437 { "(bad)", XX, XX, XX }, /* Reserved. */
1438 { "(bad)", XX, XX, XX }, /* Reserved. */
1439 { "(bad)", XX, XX, XX }, /* Reserved. */
1440 { "movsx", Gv, Ed, XX },
1441 { "(bad)", XX, XX, XX }, /* seg fs */
1442 { "(bad)", XX, XX, XX }, /* seg gs */
1443 { "(bad)", XX, XX, XX }, /* op size prefix */
1444 { "(bad)", XX, XX, XX }, /* adr size prefix */
1445 /* 68 */
1446 { "push", Iq, XX, XX }, /* 386 book wrong */
1447 { "imul", Gv, Ev, Iv },
1448 { "push", sIb, XX, XX }, /* push of byte really pushes 2 or 4 bytes */
1449 { "imul", Gv, Ev, sIb },
1450 { "ins", Yb, indirDX, XX },
1451 { "ins", Yv, indirDX, XX },
1452 { "outs", indirDX, Xb, XX },
1453 { "outs", indirDX, Xv, XX },
1454 /* 70 */
1455 { "jo", Jb, XX, XX },
1456 { "jno", Jb, XX, XX },
1457 { "jb", Jb, XX, XX },
1458 { "jae", Jb, XX, XX },
1459 { "je", Jb, XX, XX },
1460 { "jne", Jb, XX, XX },
1461 { "jbe", Jb, XX, XX },
1462 { "ja", Jb, XX, XX },
1463 /* 78 */
1464 { "js", Jb, XX, XX },
1465 { "jns", Jb, XX, XX },
1466 { "jp", Jb, XX, XX },
1467 { "jnp", Jb, XX, XX },
1468 { "jl", Jb, XX, XX },
1469 { "jge", Jb, XX, XX },
1470 { "jle", Jb, XX, XX },
1471 { "jg", Jb, XX, XX },
1472 /* 80 */
1473 { GRP1b },
1474 { GRP1S },
1475 { "(bad)", XX, XX, XX },
1476 { GRP1Ss },
1477 { "test", Eb, Gb, XX },
1478 { "test", Ev, Gv, XX },
1479 { "xchg", Eb, Gb, XX },
1480 { "xchg", Ev, Gv, XX },
1481 /* 88 */
1482 { "mov", Eb, Gb, XX },
1483 { "mov", Ev, Gv, XX },
1484 { "mov", Gb, Eb, XX },
1485 { "mov", Gv, Ev, XX },
1486 { "mov", Ev, Sw, XX },
1487 { "lea", Gv, M, XX },
1488 { "mov", Sw, Ev, XX },
1489 { "pop", Ev, XX, XX },
1490 /* 90 */
1491 { "nop", XX, XX, XX },
1492 /* FIXME: NOP with REPz prefix is called PAUSE. */
1493 { "xchg", RMeCX, eAX, XX },
1494 { "xchg", RMeDX, eAX, XX },
1495 { "xchg", RMeBX, eAX, XX },
1496 { "xchg", RMeSP, eAX, XX },
1497 { "xchg", RMeBP, eAX, XX },
1498 { "xchg", RMeSI, eAX, XX },
1499 { "xchg", RMeDI, eAX, XX },
1500 /* 98 */
1501 { "cW", XX, XX, XX }, /* cwde and cbw */
1502 { "cR", XX, XX, XX }, /* cdq and cwd */
1503 { "(bad)", XX, XX, XX }, /* Reserved. */
1504 { "(bad)", XX, XX, XX }, /* fwait */
1505 { "pushf", XX, XX, XX },
1506 { "popf", XX, XX, XX },
1507 { "(bad)", XX, XX, XX }, /* Reserved. */
1508 { "(bad)", XX, XX, XX }, /* Reserved. */
1509 /* a0 */
1510 { "mov", AL, Ob, XX },
1511 { "mov", eAX, Ov, XX },
1512 { "mov", Ob, AL, XX },
1513 { "mov", Ov, eAX, XX },
1514 { "movs", Yb, Xb, XX },
1515 { "movs", Yv, Xv, XX },
1516 { "cmps", Xb, Yb, XX },
1517 { "cmps", Xv, Yv, XX },
1518 /* a8 */
1519 { "test", AL, Ib, XX },
1520 { "test", eAX, Iv, XX },
1521 { "stos", Yb, AL, XX },
1522 { "stos", Yv, eAX, XX },
1523 { "lods", AL, Xb, XX },
1524 { "lods", eAX, Xv, XX },
1525 { "scas", AL, Yb, XX },
1526 { "scas", eAX, Yv, XX },
1527 /* b0 */
1528 { "mov", RMAL, Ib, XX },
1529 { "mov", RMCL, Ib, XX },
1530 { "mov", RMDL, Ib, XX },
1531 { "mov", RMBL, Ib, XX },
1532 { "mov", RMAH, Ib, XX },
1533 { "mov", RMCH, Ib, XX },
1534 { "mov", RMDH, Ib, XX },
1535 { "mov", RMBH, Ib, XX },
1536 /* b8 */
1537 { "mov", RMeAX, Iv, XX },
1538 { "mov", RMeCX, Iv, XX },
1539 { "mov", RMeDX, Iv, XX },
1540 { "mov", RMeBX, Iv, XX },
1541 { "mov", RMeSP, Iv, XX },
1542 { "mov", RMeBP, Iv, XX },
1543 { "mov", RMeSI, Iv, XX },
1544 { "mov", RMeDI, Iv, XX },
1545 /* c0 */
1546 { GRP2b },
1547 { GRP2S },
1548 { "ret", Iw, XX, XX },
1549 { "ret", XX, XX, XX },
1550 { "(bad)", XX, XX, XX }, /* Reserved. */
1551 { "lds", Gv, Mp, XX },
1552 { "mov", Eb, Ib, XX },
1553 { "mov", Ev, Iv, XX },
1554 /* c8 */
1555 { "enter", Iw, Ib, XX },
1556 { "leave", XX, XX, XX },
1557 { "lret", Iw, XX, XX },
1558 { "lret", XX, XX, XX },
1559 { "int3", XX, XX, XX },
1560 { "int", Ib, XX, XX },
1561 { "(bad)", XX, XX, XX }, /* Reserved. */
1562 { "iret", XX, XX, XX },
1563 /* d0 */
1564 { GRP2b_one },
1565 { GRP2S_one },
1566 { GRP2b_cl },
1567 { GRP2S_cl },
1568 { "(bad)", XX, XX, XX }, /* Reserved. */
1569 { "(bad)", XX, XX, XX }, /* Reserved. */
1570 { "(bad)", XX, XX, XX }, /* Reserved. */
1571 { "xlat", DSBX, XX, XX },
1572 /* d8 */
1573 { FLOAT },
1574 { FLOAT },
1575 { FLOAT },
1576 { FLOAT },
1577 { FLOAT },
1578 { FLOAT },
1579 { FLOAT },
1580 { FLOAT },
1581 /* e0 */
1582 { "loopne", Jb, XX, XX },
1583 { "loope", Jb, XX, XX },
1584 { "loop", Jb, XX, XX },
1585 { "jEcxz", Jb, XX, XX },
1586 { "in", AL, Ib, XX },
1587 { "in", eAX, Ib, XX },
1588 { "out", Ib, AL, XX },
1589 { "out", Ib, eAX, XX },
1590 /* e8 */
1591 { "call", Jv, XX, XX },
1592 { "jmp", Jv, XX, XX },
1593 { "(bad)", XX, XX, XX }, /* Reserved. */
1594 { "jmp", Jb, XX, XX },
1595 { "in", AL, indirDX, XX },
1596 { "in", eAX, indirDX, XX },
1597 { "out", indirDX, AL, XX },
1598 { "out", indirDX, eAX, XX },
1599 /* f0 */
1600 { "(bad)", XX, XX, XX }, /* lock prefix */
1601 { "(bad)", XX, XX, XX },
1602 { "(bad)", XX, XX, XX }, /* repne */
1603 { "(bad)", XX, XX, XX }, /* repz */
1604 { "hlt", XX, XX, XX },
1605 { "cmc", XX, XX, XX },
1606 { GRP3b },
1607 { GRP3S },
1608 /* f8 */
1609 { "clc", XX, XX, XX },
1610 { "stc", XX, XX, XX },
1611 { "cli", XX, XX, XX },
1612 { "sti", XX, XX, XX },
1613 { "cld", XX, XX, XX },
1614 { "std", XX, XX, XX },
1615 { GRP4 },
1616 { GRP5 },
1617 };
1618
1619 static const struct dis386 dis386_twobyte_att[] = {
1620 /* 00 */
1621 { GRP6 },
1622 { GRP7 },
1623 { "larS", Gv, Ew, XX },
1624 { "lslS", Gv, Ew, XX },
1625 { "(bad)", XX, XX, XX },
1626 { "syscall", XX, XX, XX },
1627 { "clts", XX, XX, XX },
1628 { "sysretP", XX, XX, XX },
1629 /* 08 */
1630 { "invd", XX, XX, XX },
1631 { "wbinvd", XX, XX, XX },
1632 { "(bad)", XX, XX, XX },
1633 { "ud2a", XX, XX, XX },
1634 { "(bad)", XX, XX, XX },
1635 { GRPAMD },
1636 { "femms", XX, XX, XX },
1637 { "", MX, EM, OPSUF }, /* See OP_3DNowSuffix */
1638 /* 10 */
1639 { PREGRP8 },
1640 { PREGRP9 },
1641 { "movlpX", XM, EX, SIMD_Fixup, 'h' }, /* really only 2 operands */
1642 { "movlpX", EX, XM, SIMD_Fixup, 'h' },
1643 { "unpcklpX", XM, EX, XX },
1644 { "unpckhpX", XM, EX, XX },
1645 { "movhpX", XM, EX, SIMD_Fixup, 'l' },
1646 { "movhpX", EX, XM, SIMD_Fixup, 'l' },
1647 /* 18 */
1648 { GRP14 },
1649 { "(bad)", XX, XX, XX },
1650 { "(bad)", XX, XX, XX },
1651 { "(bad)", XX, XX, XX },
1652 { "(bad)", XX, XX, XX },
1653 { "(bad)", XX, XX, XX },
1654 { "(bad)", XX, XX, XX },
1655 { "(bad)", XX, XX, XX },
1656 /* 20 */
1657 /* these are all backward in appendix A of the intel book */
1658 { "movL", Rm, Cm, XX },
1659 { "movL", Rm, Dm, XX },
1660 { "movL", Cm, Rm, XX },
1661 { "movL", Dm, Rm, XX },
1662 { "movL", Rd, Td, XX },
1663 { "(bad)", XX, XX, XX },
1664 { "movL", Td, Rd, XX },
1665 { "(bad)", XX, XX, XX },
1666 /* 28 */
1667 { "movapX", XM, EX, XX },
1668 { "movapX", EX, XM, XX },
1669 { PREGRP2 },
1670 { "movntpX", Ev, XM, XX },
1671 { PREGRP4 },
1672 { PREGRP3 },
1673 { "ucomisX", XM,EX, XX },
1674 { "comisX", XM,EX, XX },
1675 /* 30 */
1676 { "wrmsr", XX, XX, XX },
1677 { "rdtsc", XX, XX, XX },
1678 { "rdmsr", XX, XX, XX },
1679 { "rdpmc", XX, XX, XX },
1680 { "sysenter", XX, XX, XX },
1681 { "sysexit", XX, XX, XX },
1682 { "(bad)", XX, XX, XX },
1683 { "(bad)", XX, XX, XX },
1684 /* 38 */
1685 { "(bad)", XX, XX, XX },
1686 { "(bad)", XX, XX, XX },
1687 { "(bad)", XX, XX, XX },
1688 { "(bad)", XX, XX, XX },
1689 { "(bad)", XX, XX, XX },
1690 { "(bad)", XX, XX, XX },
1691 { "(bad)", XX, XX, XX },
1692 { "(bad)", XX, XX, XX },
1693 /* 40 */
1694 { "cmovo", Gv, Ev, XX },
1695 { "cmovno", Gv, Ev, XX },
1696 { "cmovb", Gv, Ev, XX },
1697 { "cmovae", Gv, Ev, XX },
1698 { "cmove", Gv, Ev, XX },
1699 { "cmovne", Gv, Ev, XX },
1700 { "cmovbe", Gv, Ev, XX },
1701 { "cmova", Gv, Ev, XX },
1702 /* 48 */
1703 { "cmovs", Gv, Ev, XX },
1704 { "cmovns", Gv, Ev, XX },
1705 { "cmovp", Gv, Ev, XX },
1706 { "cmovnp", Gv, Ev, XX },
1707 { "cmovl", Gv, Ev, XX },
1708 { "cmovge", Gv, Ev, XX },
1709 { "cmovle", Gv, Ev, XX },
1710 { "cmovg", Gv, Ev, XX },
1711 /* 50 */
1712 { "movmskpX", Gd, XS, XX },
1713 { PREGRP13 },
1714 { PREGRP12 },
1715 { PREGRP11 },
1716 { "andpX", XM, EX, XX },
1717 { "andnpX", XM, EX, XX },
1718 { "orpX", XM, EX, XX },
1719 { "xorpX", XM, EX, XX },
1720 /* 58 */
1721 { PREGRP0 },
1722 { PREGRP10 },
1723 { PREGRP17 },
1724 { PREGRP16 },
1725 { PREGRP14 },
1726 { PREGRP7 },
1727 { PREGRP5 },
1728 { PREGRP6 },
1729 /* 60 */
1730 { "punpcklbw", MX, EM, XX },
1731 { "punpcklwd", MX, EM, XX },
1732 { "punpckldq", MX, EM, XX },
1733 { "packsswb", MX, EM, XX },
1734 { "pcmpgtb", MX, EM, XX },
1735 { "pcmpgtw", MX, EM, XX },
1736 { "pcmpgtd", MX, EM, XX },
1737 { "packuswb", MX, EM, XX },
1738 /* 68 */
1739 { "punpckhbw", MX, EM, XX },
1740 { "punpckhwd", MX, EM, XX },
1741 { "punpckhdq", MX, EM, XX },
1742 { "packssdw", MX, EM, XX },
1743 { PREGRP26 },
1744 { PREGRP24 },
1745 { "movd", MX, Ed, XX },
1746 { PREGRP19 },
1747 /* 70 */
1748 { PREGRP22 },
1749 { GRP10 },
1750 { GRP11 },
1751 { GRP12 },
1752 { "pcmpeqb", MX, EM, XX },
1753 { "pcmpeqw", MX, EM, XX },
1754 { "pcmpeqd", MX, EM, XX },
1755 { "emms", XX, XX, XX },
1756 /* 78 */
1757 { "(bad)", XX, XX, XX },
1758 { "(bad)", XX, XX, XX },
1759 { "(bad)", XX, XX, XX },
1760 { "(bad)", XX, XX, XX },
1761 { "(bad)", XX, XX, XX },
1762 { "(bad)", XX, XX, XX },
1763 { PREGRP23 },
1764 { PREGRP20 },
1765 /* 80 */
1766 { "jo", Jv, XX, XX },
1767 { "jno", Jv, XX, XX },
1768 { "jb", Jv, XX, XX },
1769 { "jae", Jv, XX, XX },
1770 { "je", Jv, XX, XX },
1771 { "jne", Jv, XX, XX },
1772 { "jbe", Jv, XX, XX },
1773 { "ja", Jv, XX, XX },
1774 /* 88 */
1775 { "js", Jv, XX, XX },
1776 { "jns", Jv, XX, XX },
1777 { "jp", Jv, XX, XX },
1778 { "jnp", Jv, XX, XX },
1779 { "jl", Jv, XX, XX },
1780 { "jge", Jv, XX, XX },
1781 { "jle", Jv, XX, XX },
1782 { "jg", Jv, XX, XX },
1783 /* 90 */
1784 { "seto", Eb, XX, XX },
1785 { "setno", Eb, XX, XX },
1786 { "setb", Eb, XX, XX },
1787 { "setae", Eb, XX, XX },
1788 { "sete", Eb, XX, XX },
1789 { "setne", Eb, XX, XX },
1790 { "setbe", Eb, XX, XX },
1791 { "seta", Eb, XX, XX },
1792 /* 98 */
1793 { "sets", Eb, XX, XX },
1794 { "setns", Eb, XX, XX },
1795 { "setp", Eb, XX, XX },
1796 { "setnp", Eb, XX, XX },
1797 { "setl", Eb, XX, XX },
1798 { "setge", Eb, XX, XX },
1799 { "setle", Eb, XX, XX },
1800 { "setg", Eb, XX, XX },
1801 /* a0 */
1802 { "pushI", fs, XX, XX },
1803 { "popI", fs, XX, XX },
1804 { "cpuid", XX, XX, XX },
1805 { "btS", Ev, Gv, XX },
1806 { "shldS", Ev, Gv, Ib },
1807 { "shldS", Ev, Gv, CL },
1808 { "(bad)", XX, XX, XX },
1809 { "(bad)", XX, XX, XX },
1810 /* a8 */
1811 { "pushI", gs, XX, XX },
1812 { "popI", gs, XX, XX },
1813 { "rsm", XX, XX, XX },
1814 { "btsS", Ev, Gv, XX },
1815 { "shrdS", Ev, Gv, Ib },
1816 { "shrdS", Ev, Gv, CL },
1817 { GRP13 },
1818 { "imulS", Gv, Ev, XX },
1819 /* b0 */
1820 { "cmpxchgB", Eb, Gb, XX },
1821 { "cmpxchgS", Ev, Gv, XX },
1822 { "lssS", Gv, Mp, XX },
1823 { "btrS", Ev, Gv, XX },
1824 { "lfsS", Gv, Mp, XX },
1825 { "lgsS", Gv, Mp, XX },
1826 { "movzbR", Gv, Eb, XX },
1827 { "movzwR", Gv, Ew, XX }, /* yes, there really is movzww ! */
1828 /* b8 */
1829 { "(bad)", XX, XX, XX },
1830 { "ud2b", XX, XX, XX },
1831 { GRP8 },
1832 { "btcS", Ev, Gv, XX },
1833 { "bsfS", Gv, Ev, XX },
1834 { "bsrS", Gv, Ev, XX },
1835 { "movsbR", Gv, Eb, XX },
1836 { "movswR", Gv, Ew, XX }, /* yes, there really is movsww ! */
1837 /* c0 */
1838 { "xaddB", Eb, Gb, XX },
1839 { "xaddS", Ev, Gv, XX },
1840 { PREGRP1 },
1841 { "movntiS", Ev, Gv, XX },
1842 { "pinsrw", MX, Ed, Ib },
1843 { "pextrw", Gd, MS, Ib },
1844 { "shufpX", XM, EX, Ib },
1845 { GRP9 },
1846 /* c8 */
1847 { "bswap", RMeAX, XX, XX }, /* bswap doesn't support 16 bit regs */
1848 { "bswap", RMeCX, XX, XX },
1849 { "bswap", RMeDX, XX, XX },
1850 { "bswap", RMeBX, XX, XX },
1851 { "bswap", RMeSP, XX, XX },
1852 { "bswap", RMeBP, XX, XX },
1853 { "bswap", RMeSI, XX, XX },
1854 { "bswap", RMeDI, XX, XX },
1855 /* d0 */
1856 { "(bad)", XX, XX, XX },
1857 { "psrlw", MX, EM, XX },
1858 { "psrld", MX, EM, XX },
1859 { "psrlq", MX, EM, XX },
1860 { "paddq", MX, EM, XX },
1861 { "pmullw", MX, EM, XX },
1862 { PREGRP21 },
1863 { "pmovmskb", Gd, MS, XX },
1864 /* d8 */
1865 { "psubusb", MX, EM, XX },
1866 { "psubusw", MX, EM, XX },
1867 { "pminub", MX, EM, XX },
1868 { "pand", MX, EM, XX },
1869 { "paddusb", MX, EM, XX },
1870 { "paddusw", MX, EM, XX },
1871 { "pmaxub", MX, EM, XX },
1872 { "pandn", MX, EM, XX },
1873 /* e0 */
1874 { "pavgb", MX, EM, XX },
1875 { "psraw", MX, EM, XX },
1876 { "psrad", MX, EM, XX },
1877 { "pavgw", MX, EM, XX },
1878 { "pmulhuw", MX, EM, XX },
1879 { "pmulhw", MX, EM, XX },
1880 { PREGRP15 },
1881 { PREGRP25 },
1882 /* e8 */
1883 { "psubsb", MX, EM, XX },
1884 { "psubsw", MX, EM, XX },
1885 { "pminsw", MX, EM, XX },
1886 { "por", MX, EM, XX },
1887 { "paddsb", MX, EM, XX },
1888 { "paddsw", MX, EM, XX },
1889 { "pmaxsw", MX, EM, XX },
1890 { "pxor", MX, EM, XX },
1891 /* f0 */
1892 { "(bad)", XX, XX, XX },
1893 { "psllw", MX, EM, XX },
1894 { "pslld", MX, EM, XX },
1895 { "psllq", MX, EM, XX },
1896 { "pmuludq", MX, EM, XX },
1897 { "pmaddwd", MX, EM, XX },
1898 { "psadbw", MX, EM, XX },
1899 { PREGRP18 },
1900 /* f8 */
1901 { "psubb", MX, EM, XX },
1902 { "psubw", MX, EM, XX },
1903 { "psubd", MX, EM, XX },
1904 { "psubq", MX, EM, XX },
1905 { "paddb", MX, EM, XX },
1906 { "paddw", MX, EM, XX },
1907 { "paddd", MX, EM, XX },
1908 { "(bad)", XX, XX, XX }
1909 };
1910
1911 static const struct dis386 dis386_twobyte_intel[] = {
1912 /* 00 */
1913 { GRP6 },
1914 { GRP7 },
1915 { "lar", Gv, Ew, XX },
1916 { "lsl", Gv, Ew, XX },
1917 { "(bad)", XX, XX, XX },
1918 { "syscall", XX, XX, XX },
1919 { "clts", XX, XX, XX },
1920 { "sysretP", XX, XX, XX },
1921 /* 08 */
1922 { "invd", XX, XX, XX },
1923 { "wbinvd", XX, XX, XX },
1924 { "(bad)", XX, XX, XX },
1925 { "ud2a", XX, XX, XX },
1926 { "(bad)", XX, XX, XX },
1927 { GRPAMD },
1928 { "femms" , XX, XX, XX},
1929 { "", MX, EM, OPSUF }, /* See OP_3DNowSuffix */
1930 /* 10 */
1931 { PREGRP8 },
1932 { PREGRP9 },
1933 { "movlpX", XM, EX, SIMD_Fixup, 'h' }, /* really only 2 operands */
1934 { "movlpX", EX, XM, SIMD_Fixup, 'h' },
1935 { "unpcklpX", XM, EX, XX },
1936 { "unpckhpX", XM, EX, XX },
1937 { "movhpX", XM, EX, SIMD_Fixup, 'l' },
1938 { "movhpX", EX, XM, SIMD_Fixup, 'l' },
1939 /* 18 */
1940 { GRP14 },
1941 { "(bad)", XX, XX, XX },
1942 { "(bad)", XX, XX, XX },
1943 { "(bad)", XX, XX, XX },
1944 { "(bad)", XX, XX, XX },
1945 { "(bad)", XX, XX, XX },
1946 { "(bad)", XX, XX, XX },
1947 { "(bad)", XX, XX, XX },
1948 /* 20 */
1949 /* these are all backward in appendix A of the intel book */
1950 { "mov", Rm, Cm, XX },
1951 { "mov", Rm, Dm, XX },
1952 { "mov", Cm, Rm, XX },
1953 { "mov", Dm, Rm, XX },
1954 { "mov", Rd, Td, XX },
1955 { "(bad)", XX, XX, XX },
1956 { "mov", Td, Rd, XX },
1957 { "(bad)", XX, XX, XX },
1958 /* 28 */
1959 { "movapX", XM, EX, XX },
1960 { "movapX", EX, XM, XX },
1961 { PREGRP2 },
1962 { "movntpX", Ev, XM, XX },
1963 { PREGRP4 },
1964 { PREGRP3 },
1965 { "ucomisX", XM,EX, XX },
1966 { "comisX", XM,EX, XX },
1967 /* 30 */
1968 { "wrmsr", XX, XX, XX },
1969 { "rdtsc", XX, XX, XX },
1970 { "rdmsr", XX, XX, XX },
1971 { "rdpmc", XX, XX, XX },
1972 { "sysenter", XX, XX, XX },
1973 { "sysexit", XX, XX, XX },
1974 { "(bad)", XX, XX, XX },
1975 { "(bad)", XX, XX, XX },
1976 /* 38 */
1977 { "(bad)", XX, XX, XX },
1978 { "(bad)", XX, XX, XX },
1979 { "(bad)", XX, XX, XX },
1980 { "(bad)", XX, XX, XX },
1981 { "(bad)", XX, XX, XX },
1982 { "(bad)", XX, XX, XX },
1983 { "(bad)", XX, XX, XX },
1984 { "(bad)", XX, XX, XX },
1985 /* 40 */
1986 { "cmovo", Gv, Ev, XX },
1987 { "cmovno", Gv, Ev, XX },
1988 { "cmovb", Gv, Ev, XX },
1989 { "cmovae", Gv, Ev, XX },
1990 { "cmove", Gv, Ev, XX },
1991 { "cmovne", Gv, Ev, XX },
1992 { "cmovbe", Gv, Ev, XX },
1993 { "cmova", Gv, Ev, XX },
1994 /* 48 */
1995 { "cmovs", Gv, Ev, XX },
1996 { "cmovns", Gv, Ev, XX },
1997 { "cmovp", Gv, Ev, XX },
1998 { "cmovnp", Gv, Ev, XX },
1999 { "cmovl", Gv, Ev, XX },
2000 { "cmovge", Gv, Ev, XX },
2001 { "cmovle", Gv, Ev, XX },
2002 { "cmovg", Gv, Ev, XX },
2003 /* 50 */
2004 { "movmskpX", Gd, XS, XX },
2005 { PREGRP13 },
2006 { PREGRP12 },
2007 { PREGRP11 },
2008 { "andpX", XM, EX, XX },
2009 { "andnpX", XM, EX, XX },
2010 { "orpX", XM, EX, XX },
2011 { "xorpX", XM, EX, XX },
2012 /* 58 */
2013 { PREGRP0 },
2014 { PREGRP10 },
2015 { PREGRP17 },
2016 { PREGRP16 },
2017 { PREGRP14 },
2018 { PREGRP7 },
2019 { PREGRP5 },
2020 { PREGRP6 },
2021 /* 60 */
2022 { "punpcklbw", MX, EM, XX },
2023 { "punpcklwd", MX, EM, XX },
2024 { "punpckldq", MX, EM, XX },
2025 { "packsswb", MX, EM, XX },
2026 { "pcmpgtb", MX, EM, XX },
2027 { "pcmpgtw", MX, EM, XX },
2028 { "pcmpgtd", MX, EM, XX },
2029 { "packuswb", MX, EM, XX },
2030 /* 68 */
2031 { "punpckhbw", MX, EM, XX },
2032 { "punpckhwd", MX, EM, XX },
2033 { "punpckhdq", MX, EM, XX },
2034 { "packssdw", MX, EM, XX },
2035 { PREGRP26 },
2036 { PREGRP24 },
2037 { "movd", MX, Ed, XX },
2038 { PREGRP19 },
2039 /* 70 */
2040 { PREGRP22 },
2041 { GRP10 },
2042 { GRP11 },
2043 { GRP12 },
2044 { "pcmpeqb", MX, EM, XX },
2045 { "pcmpeqw", MX, EM, XX },
2046 { "pcmpeqd", MX, EM, XX },
2047 { "emms", XX, XX, XX },
2048 /* 78 */
2049 { "(bad)", XX, XX, XX },
2050 { "(bad)", XX, XX, XX },
2051 { "(bad)", XX, XX, XX },
2052 { "(bad)", XX, XX, XX },
2053 { "(bad)", XX, XX, XX },
2054 { "(bad)", XX, XX, XX },
2055 { PREGRP23 },
2056 { PREGRP20 },
2057 /* 80 */
2058 { "jo", Jv, XX, XX },
2059 { "jno", Jv, XX, XX },
2060 { "jb", Jv, XX, XX },
2061 { "jae", Jv, XX, XX },
2062 { "je", Jv, XX, XX },
2063 { "jne", Jv, XX, XX },
2064 { "jbe", Jv, XX, XX },
2065 { "ja", Jv, XX, XX },
2066 /* 88 */
2067 { "js", Jv, XX, XX },
2068 { "jns", Jv, XX, XX },
2069 { "jp", Jv, XX, XX },
2070 { "jnp", Jv, XX, XX },
2071 { "jl", Jv, XX, XX },
2072 { "jge", Jv, XX, XX },
2073 { "jle", Jv, XX, XX },
2074 { "jg", Jv, XX, XX },
2075 /* 90 */
2076 { "seto", Eb, XX, XX },
2077 { "setno", Eb, XX, XX },
2078 { "setb", Eb, XX, XX },
2079 { "setae", Eb, XX, XX },
2080 { "sete", Eb, XX, XX },
2081 { "setne", Eb, XX, XX },
2082 { "setbe", Eb, XX, XX },
2083 { "seta", Eb, XX, XX },
2084 /* 98 */
2085 { "sets", Eb, XX, XX },
2086 { "setns", Eb, XX, XX },
2087 { "setp", Eb, XX, XX },
2088 { "setnp", Eb, XX, XX },
2089 { "setl", Eb, XX, XX },
2090 { "setge", Eb, XX, XX },
2091 { "setle", Eb, XX, XX },
2092 { "setg", Eb, XX, XX },
2093 /* a0 */
2094 { "push", fs, XX, XX },
2095 { "pop", fs, XX, XX },
2096 { "cpuid", XX, XX, XX },
2097 { "bt", Ev, Gv, XX },
2098 { "shld", Ev, Gv, Ib },
2099 { "shld", Ev, Gv, CL },
2100 { "(bad)", XX, XX, XX },
2101 { "(bad)", XX, XX, XX },
2102 /* a8 */
2103 { "push", gs, XX, XX },
2104 { "pop", gs, XX, XX },
2105 { "rsm" , XX, XX, XX},
2106 { "bts", Ev, Gv, XX },
2107 { "shrd", Ev, Gv, Ib },
2108 { "shrd", Ev, Gv, CL },
2109 { GRP13 },
2110 { "imul", Gv, Ev, XX },
2111 /* b0 */
2112 { "cmpxchg", Eb, Gb, XX },
2113 { "cmpxchg", Ev, Gv, XX },
2114 { "lss", Gv, Mp, XX },
2115 { "btr", Ev, Gv, XX },
2116 { "lfs", Gv, Mp, XX },
2117 { "lgs", Gv, Mp, XX },
2118 { "movzx", Gv, Eb, XX },
2119 { "movzx", Gv, Ew, XX },
2120 /* b8 */
2121 { "(bad)", XX, XX, XX },
2122 { "ud2b", XX, XX, XX },
2123 { GRP8 },
2124 { "btc", Ev, Gv, XX },
2125 { "bsf", Gv, Ev, XX },
2126 { "bsr", Gv, Ev, XX },
2127 { "movsx", Gv, Eb, XX },
2128 { "movsx", Gv, Ew, XX },
2129 /* c0 */
2130 { "xadd", Eb, Gb, XX },
2131 { "xadd", Ev, Gv, XX },
2132 { PREGRP1 },
2133 { "movnti", Ev, Gv, XX },
2134 { "pinsrw", MX, Ed, Ib },
2135 { "pextrw", Gd, MS, Ib },
2136 { "shufpX", XM, EX, Ib },
2137 { GRP9 },
2138 /* c8 */
2139 { "bswap", RMeAX, XX, XX }, /* bswap doesn't support 16 bit regs */
2140 { "bswap", RMeCX, XX, XX },
2141 { "bswap", RMeDX, XX, XX },
2142 { "bswap", RMeBX, XX, XX },
2143 { "bswap", RMeSP, XX, XX },
2144 { "bswap", RMeBP, XX, XX },
2145 { "bswap", RMeSI, XX, XX },
2146 { "bswap", RMeDI, XX, XX },
2147 /* d0 */
2148 { "(bad)", XX, XX, XX },
2149 { "psrlw", MX, EM, XX },
2150 { "psrld", MX, EM, XX },
2151 { "psrlq", MX, EM, XX },
2152 { "paddq", MX, EM, XX },
2153 { "pmullw", MX, EM, XX },
2154 { PREGRP21 },
2155 { "pmovmskb", Gd, MS, XX },
2156 /* d8 */
2157 { "psubusb", MX, EM, XX },
2158 { "psubusw", MX, EM, XX },
2159 { "pminub", MX, EM, XX },
2160 { "pand", MX, EM, XX },
2161 { "paddusb", MX, EM, XX },
2162 { "paddusw", MX, EM, XX },
2163 { "pmaxub", MX, EM, XX },
2164 { "pandn", MX, EM, XX },
2165 /* e0 */
2166 { "pavgb", MX, EM, XX },
2167 { "psraw", MX, EM, XX },
2168 { "psrad", MX, EM, XX },
2169 { "pavgw", MX, EM, XX },
2170 { "pmulhuw", MX, EM, XX },
2171 { "pmulhw", MX, EM, XX },
2172 { PREGRP15 },
2173 { PREGRP25 },
2174 /* e8 */
2175 { "psubsb", MX, EM, XX },
2176 { "psubsw", MX, EM, XX },
2177 { "pminsw", MX, EM, XX },
2178 { "por", MX, EM, XX },
2179 { "paddsb", MX, EM, XX },
2180 { "paddsw", MX, EM, XX },
2181 { "pmaxsw", MX, EM, XX },
2182 { "pxor", MX, EM, XX },
2183 /* f0 */
2184 { "(bad)", XX, XX, XX },
2185 { "psllw", MX, EM, XX },
2186 { "pslld", MX, EM, XX },
2187 { "psllq", MX, EM, XX },
2188 { "pmuludq", MX, EM, XX },
2189 { "pmaddwd", MX, EM, XX },
2190 { "psadbw", MX, EM, XX },
2191 { PREGRP18 },
2192 /* f8 */
2193 { "psubb", MX, EM, XX },
2194 { "psubw", MX, EM, XX },
2195 { "psubd", MX, EM, XX },
2196 { "psubq", MX, EM, XX },
2197 { "paddb", MX, EM, XX },
2198 { "paddw", MX, EM, XX },
2199 { "paddd", MX, EM, XX },
2200 { "(bad)", XX, XX, XX }
2201 };
2202
2203 static const unsigned char onebyte_has_modrm[256] = {
2204 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
2205 /* ------------------------------- */
2206 /* 00 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 00 */
2207 /* 10 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 10 */
2208 /* 20 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 20 */
2209 /* 30 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 30 */
2210 /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 40 */
2211 /* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 50 */
2212 /* 60 */ 0,0,1,1,0,0,0,0,0,1,0,1,0,0,0,0, /* 60 */
2213 /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 70 */
2214 /* 80 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 80 */
2215 /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 90 */
2216 /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* a0 */
2217 /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* b0 */
2218 /* c0 */ 1,1,0,0,1,1,1,1,0,0,0,0,0,0,0,0, /* c0 */
2219 /* d0 */ 1,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1, /* d0 */
2220 /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* e0 */
2221 /* f0 */ 0,0,0,0,0,0,1,1,0,0,0,0,0,0,1,1 /* f0 */
2222 /* ------------------------------- */
2223 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
2224 };
2225
2226 static const unsigned char twobyte_has_modrm[256] = {
2227 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
2228 /* ------------------------------- */
2229 /* 00 */ 1,1,1,1,0,0,0,0,0,0,0,0,0,1,0,1, /* 0f */
2230 /* 10 */ 1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0, /* 1f */
2231 /* 20 */ 1,1,1,1,1,0,1,0,1,1,1,1,1,1,1,1, /* 2f */
2232 /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */
2233 /* 40 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 4f */
2234 /* 50 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 5f */
2235 /* 60 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 6f */
2236 /* 70 */ 1,1,1,1,1,1,1,0,0,0,0,0,0,0,1,1, /* 7f */
2237 /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */
2238 /* 90 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 9f */
2239 /* a0 */ 0,0,0,1,1,1,0,0,0,0,0,1,1,1,1,1, /* af */
2240 /* b0 */ 1,1,1,1,1,1,1,1,0,0,1,1,1,1,1,1, /* bf */
2241 /* c0 */ 1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0, /* cf */
2242 /* d0 */ 0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* df */
2243 /* e0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* ef */
2244 /* f0 */ 0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0 /* ff */
2245 /* ------------------------------- */
2246 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
2247 };
2248
2249 static const unsigned char twobyte_uses_SSE_prefix[256] = {
2250 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
2251 /* ------------------------------- */
2252 /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */
2253 /* 10 */ 1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 1f */
2254 /* 20 */ 0,0,0,0,0,0,0,0,0,0,1,0,1,1,0,0, /* 2f */
2255 /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */
2256 /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */
2257 /* 50 */ 0,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1, /* 5f */
2258 /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1, /* 6f */
2259 /* 70 */ 1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1, /* 7f */
2260 /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */
2261 /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */
2262 /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */
2263 /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */
2264 /* c0 */ 0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */
2265 /* d0 */ 0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* df */
2266 /* e0 */ 0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* ef */
2267 /* f0 */ 0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0 /* ff */
2268 /* ------------------------------- */
2269 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
2270 };
2271
2272 static char obuf[100];
2273 static char *obufp;
2274 static char scratchbuf[100];
2275 static unsigned char *start_codep;
2276 static unsigned char *insn_codep;
2277 static unsigned char *codep;
2278 static disassemble_info *the_info;
2279 static int mod;
2280 static int rm;
2281 static int reg;
2282 static unsigned char need_modrm;
2283 static void oappend PARAMS ((const char *s));
2284
2285 /* If we are accessing mod/rm/reg without need_modrm set, then the
2286 values are stale. Hitting this abort likely indicates that you
2287 need to update onebyte_has_modrm or twobyte_has_modrm. */
2288 #define MODRM_CHECK if (!need_modrm) abort ()
2289
2290 static const char *names64[] = {
2291 "%rax","%rcx","%rdx","%rbx", "%rsp","%rbp","%rsi","%rdi",
2292 "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15"
2293 };
2294 static const char *names32[] = {
2295 "%eax","%ecx","%edx","%ebx", "%esp","%ebp","%esi","%edi",
2296 "%r8d", "%r9d", "%r10d", "%r11d", "%r12d", "%r13d", "%r14d", "%r15d"
2297 };
2298 static const char *names16[] = {
2299 "%ax","%cx","%dx","%bx","%sp","%bp","%si","%di",
2300 "%r8w", "%r9w", "%r10w", "%r11w", "%r12w", "%r13w", "%r14w", "%r15w"
2301 };
2302 static const char *names8[] = {
2303 "%al","%cl","%dl","%bl","%ah","%ch","%dh","%bh",
2304 };
2305 static const char *names8rex[] = {
2306 "%al","%cl","%dl","%bl","%spl", "%bpl", "%sil", "%dil",
2307 "%r8b", "%r9b", "%r10b", "%r11b", "%r12b", "%r13b", "%r14b", "%r15b"
2308 };
2309 static const char *names_seg[] = {
2310 "%es","%cs","%ss","%ds","%fs","%gs","%?","%?",
2311 };
2312 static const char *index16[] = {
2313 "%bx,%si","%bx,%di","%bp,%si","%bp,%di","%si","%di","%bp","%bx"
2314 };
2315
2316 static const struct dis386 grps[][8] = {
2317 /* GRP1b */
2318 {
2319 { "addA", Eb, Ib, XX },
2320 { "orA", Eb, Ib, XX },
2321 { "adcA", Eb, Ib, XX },
2322 { "sbbA", Eb, Ib, XX },
2323 { "andA", Eb, Ib, XX },
2324 { "subA", Eb, Ib, XX },
2325 { "xorA", Eb, Ib, XX },
2326 { "cmpA", Eb, Ib, XX }
2327 },
2328 /* GRP1S */
2329 {
2330 { "addQ", Ev, Iv, XX },
2331 { "orQ", Ev, Iv, XX },
2332 { "adcQ", Ev, Iv, XX },
2333 { "sbbQ", Ev, Iv, XX },
2334 { "andQ", Ev, Iv, XX },
2335 { "subQ", Ev, Iv, XX },
2336 { "xorQ", Ev, Iv, XX },
2337 { "cmpQ", Ev, Iv, XX }
2338 },
2339 /* GRP1Ss */
2340 {
2341 { "addQ", Ev, sIb, XX },
2342 { "orQ", Ev, sIb, XX },
2343 { "adcQ", Ev, sIb, XX },
2344 { "sbbQ", Ev, sIb, XX },
2345 { "andQ", Ev, sIb, XX },
2346 { "subQ", Ev, sIb, XX },
2347 { "xorQ", Ev, sIb, XX },
2348 { "cmpQ", Ev, sIb, XX }
2349 },
2350 /* GRP2b */
2351 {
2352 { "rolA", Eb, Ib, XX },
2353 { "rorA", Eb, Ib, XX },
2354 { "rclA", Eb, Ib, XX },
2355 { "rcrA", Eb, Ib, XX },
2356 { "shlA", Eb, Ib, XX },
2357 { "shrA", Eb, Ib, XX },
2358 { "(bad)", XX, XX, XX },
2359 { "sarA", Eb, Ib, XX },
2360 },
2361 /* GRP2S */
2362 {
2363 { "rolQ", Ev, Ib, XX },
2364 { "rorQ", Ev, Ib, XX },
2365 { "rclQ", Ev, Ib, XX },
2366 { "rcrQ", Ev, Ib, XX },
2367 { "shlQ", Ev, Ib, XX },
2368 { "shrQ", Ev, Ib, XX },
2369 { "(bad)", XX, XX, XX },
2370 { "sarQ", Ev, Ib, XX },
2371 },
2372 /* GRP2b_one */
2373 {
2374 { "rolA", Eb, XX, XX },
2375 { "rorA", Eb, XX, XX },
2376 { "rclA", Eb, XX, XX },
2377 { "rcrA", Eb, XX, XX },
2378 { "shlA", Eb, XX, XX },
2379 { "shrA", Eb, XX, XX },
2380 { "(bad)", XX, XX, XX },
2381 { "sarA", Eb, XX, XX },
2382 },
2383 /* GRP2S_one */
2384 {
2385 { "rolQ", Ev, XX, XX },
2386 { "rorQ", Ev, XX, XX },
2387 { "rclQ", Ev, XX, XX },
2388 { "rcrQ", Ev, XX, XX },
2389 { "shlQ", Ev, XX, XX },
2390 { "shrQ", Ev, XX, XX },
2391 { "(bad)", XX, XX, XX},
2392 { "sarQ", Ev, XX, XX },
2393 },
2394 /* GRP2b_cl */
2395 {
2396 { "rolA", Eb, CL, XX },
2397 { "rorA", Eb, CL, XX },
2398 { "rclA", Eb, CL, XX },
2399 { "rcrA", Eb, CL, XX },
2400 { "shlA", Eb, CL, XX },
2401 { "shrA", Eb, CL, XX },
2402 { "(bad)", XX, XX, XX },
2403 { "sarA", Eb, CL, XX },
2404 },
2405 /* GRP2S_cl */
2406 {
2407 { "rolQ", Ev, CL, XX },
2408 { "rorQ", Ev, CL, XX },
2409 { "rclQ", Ev, CL, XX },
2410 { "rcrQ", Ev, CL, XX },
2411 { "shlQ", Ev, CL, XX },
2412 { "shrQ", Ev, CL, XX },
2413 { "(bad)", XX, XX, XX },
2414 { "sarQ", Ev, CL, XX }
2415 },
2416 /* GRP3b */
2417 {
2418 { "testA", Eb, Ib, XX },
2419 { "(bad)", Eb, XX, XX },
2420 { "notA", Eb, XX, XX },
2421 { "negA", Eb, XX, XX },
2422 { "mulB", AL, Eb, XX },
2423 { "imulB", AL, Eb, XX },
2424 { "divB", AL, Eb, XX },
2425 { "idivB", AL, Eb, XX }
2426 },
2427 /* GRP3S */
2428 {
2429 { "testQ", Ev, Iv, XX },
2430 { "(bad)", XX, XX, XX },
2431 { "notQ", Ev, XX, XX },
2432 { "negQ", Ev, XX, XX },
2433 { "mulS", eAX, Ev, XX },
2434 { "imulS", eAX, Ev, XX },
2435 { "divS", eAX, Ev, XX },
2436 { "idivS", eAX, Ev, XX },
2437 },
2438 /* GRP4 */
2439 {
2440 { "incA", Eb, XX, XX },
2441 { "decA", Eb, XX, XX },
2442 { "(bad)", XX, XX, XX },
2443 { "(bad)", XX, XX, XX },
2444 { "(bad)", XX, XX, XX },
2445 { "(bad)", XX, XX, XX },
2446 { "(bad)", XX, XX, XX },
2447 { "(bad)", XX, XX, XX },
2448 },
2449 /* GRP5 */
2450 {
2451 { "incQ", Ev, XX, XX },
2452 { "decQ", Ev, XX, XX },
2453 { "callI", indirEv, XX, XX },
2454 { "lcallI", indirEv, XX, XX },
2455 { "jmpI", indirEv, XX, XX },
2456 { "ljmpI", indirEv, XX, XX },
2457 { "pushT", Ev, XX, XX },
2458 { "(bad)", XX, XX, XX },
2459 },
2460 /* GRP6 */
2461 {
2462 { "sldt", Ew, XX, XX },
2463 { "str", Ew, XX, XX },
2464 { "lldt", Ew, XX, XX },
2465 { "ltr", Ew, XX, XX },
2466 { "verr", Ew, XX, XX },
2467 { "verw", Ew, XX, XX },
2468 { "(bad)", XX, XX, XX },
2469 { "(bad)", XX, XX, XX }
2470 },
2471 /* GRP7 */
2472 {
2473 { "sgdt", Ew, XX, XX },
2474 { "sidt", Ew, XX, XX },
2475 { "lgdt", Ew, XX, XX },
2476 { "lidt", Ew, XX, XX },
2477 { "smsw", Ew, XX, XX },
2478 { "(bad)", XX, XX, XX },
2479 { "lmsw", Ew, XX, XX },
2480 { "invlpg", Ew, XX, XX },
2481 },
2482 /* GRP8 */
2483 {
2484 { "(bad)", XX, XX, XX },
2485 { "(bad)", XX, XX, XX },
2486 { "(bad)", XX, XX, XX },
2487 { "(bad)", XX, XX, XX },
2488 { "btQ", Ev, Ib, XX },
2489 { "btsQ", Ev, Ib, XX },
2490 { "btrQ", Ev, Ib, XX },
2491 { "btcQ", Ev, Ib, XX },
2492 },
2493 /* GRP9 */
2494 {
2495 { "(bad)", XX, XX, XX },
2496 { "cmpxchg8b", Ev, XX, XX },
2497 { "(bad)", XX, XX, XX },
2498 { "(bad)", XX, XX, XX },
2499 { "(bad)", XX, XX, XX },
2500 { "(bad)", XX, XX, XX },
2501 { "(bad)", XX, XX, XX },
2502 { "(bad)", XX, XX, XX },
2503 },
2504 /* GRP10 */
2505 {
2506 { "(bad)", XX, XX, XX },
2507 { "(bad)", XX, XX, XX },
2508 { "psrlw", MS, Ib, XX },
2509 { "(bad)", XX, XX, XX },
2510 { "psraw", MS, Ib, XX },
2511 { "(bad)", XX, XX, XX },
2512 { "psllw", MS, Ib, XX },
2513 { "(bad)", XX, XX, XX },
2514 },
2515 /* GRP11 */
2516 {
2517 { "(bad)", XX, XX, XX },
2518 { "(bad)", XX, XX, XX },
2519 { "psrld", MS, Ib, XX },
2520 { "(bad)", XX, XX, XX },
2521 { "psrad", MS, Ib, XX },
2522 { "(bad)", XX, XX, XX },
2523 { "pslld", MS, Ib, XX },
2524 { "(bad)", XX, XX, XX },
2525 },
2526 /* GRP12 */
2527 {
2528 { "(bad)", XX, XX, XX },
2529 { "(bad)", XX, XX, XX },
2530 { "psrlq", MS, Ib, XX },
2531 { "psrldq", MS, Ib, XX },
2532 { "(bad)", XX, XX, XX },
2533 { "(bad)", XX, XX, XX },
2534 { "psllq", MS, Ib, XX },
2535 { "pslldq", MS, Ib, XX },
2536 },
2537 /* GRP13 */
2538 {
2539 { "fxsave", Ev, XX, XX },
2540 { "fxrstor", Ev, XX, XX },
2541 { "ldmxcsr", Ev, XX, XX },
2542 { "stmxcsr", Ev, XX, XX },
2543 { "(bad)", XX, XX, XX },
2544 { "lfence", None, XX, XX },
2545 { "mfence", None, XX, XX },
2546 { "sfence", None, XX, XX },
2547 /* FIXME: the sfence with memory operand is clflush! */
2548 },
2549 /* GRP14 */
2550 {
2551 { "prefetchnta", Ev, XX, XX },
2552 { "prefetcht0", Ev, XX, XX },
2553 { "prefetcht1", Ev, XX, XX },
2554 { "prefetcht2", Ev, XX, XX },
2555 { "(bad)", XX, XX, XX },
2556 { "(bad)", XX, XX, XX },
2557 { "(bad)", XX, XX, XX },
2558 { "(bad)", XX, XX, XX },
2559 },
2560 /* GRPAMD */
2561 {
2562 { "prefetch", Eb, XX, XX },
2563 { "prefetchw", Eb, XX, XX },
2564 { "(bad)", XX, XX, XX },
2565 { "(bad)", XX, XX, XX },
2566 { "(bad)", XX, XX, XX },
2567 { "(bad)", XX, XX, XX },
2568 { "(bad)", XX, XX, XX },
2569 { "(bad)", XX, XX, XX },
2570 }
2571
2572 };
2573
2574 static const struct dis386 prefix_user_table[][4] = {
2575 /* PREGRP0 */
2576 {
2577 { "addps", XM, EX, XX },
2578 { "addss", XM, EX, XX },
2579 { "addpd", XM, EX, XX },
2580 { "addsd", XM, EX, XX },
2581 },
2582 /* PREGRP1 */
2583 {
2584 { "", XM, EX, OPSIMD }, /* See OP_SIMD_SUFFIX */
2585 { "", XM, EX, OPSIMD },
2586 { "", XM, EX, OPSIMD },
2587 { "", XM, EX, OPSIMD },
2588 },
2589 /* PREGRP2 */
2590 {
2591 { "cvtpi2ps", XM, EM, XX },
2592 { "cvtsi2ssY", XM, Ev, XX },
2593 { "cvtpi2pd", XM, EM, XX },
2594 { "cvtsi2sdY", XM, Ev, XX },
2595 },
2596 /* PREGRP3 */
2597 {
2598 { "cvtps2pi", MX, EX, XX },
2599 { "cvtss2siY", Gv, EX, XX },
2600 { "cvtpd2pi", MX, EX, XX },
2601 { "cvtsd2siY", Gv, EX, XX },
2602 },
2603 /* PREGRP4 */
2604 {
2605 { "cvttps2pi", MX, EX, XX },
2606 { "cvttss2siY", Gv, EX, XX },
2607 { "cvttpd2pi", MX, EX, XX },
2608 { "cvttsd2siY", Gv, EX, XX },
2609 },
2610 /* PREGRP5 */
2611 {
2612 { "divps", XM, EX, XX },
2613 { "divss", XM, EX, XX },
2614 { "divpd", XM, EX, XX },
2615 { "divsd", XM, EX, XX },
2616 },
2617 /* PREGRP6 */
2618 {
2619 { "maxps", XM, EX, XX },
2620 { "maxss", XM, EX, XX },
2621 { "maxpd", XM, EX, XX },
2622 { "maxsd", XM, EX, XX },
2623 },
2624 /* PREGRP7 */
2625 {
2626 { "minps", XM, EX, XX },
2627 { "minss", XM, EX, XX },
2628 { "minpd", XM, EX, XX },
2629 { "minsd", XM, EX, XX },
2630 },
2631 /* PREGRP8 */
2632 {
2633 { "movups", XM, EX, XX },
2634 { "movss", XM, EX, XX },
2635 { "movupd", XM, EX, XX },
2636 { "movsd", XM, EX, XX },
2637 },
2638 /* PREGRP9 */
2639 {
2640 { "movups", EX, XM, XX },
2641 { "movss", EX, XM, XX },
2642 { "movupd", EX, XM, XX },
2643 { "movsd", EX, XM, XX },
2644 },
2645 /* PREGRP10 */
2646 {
2647 { "mulps", XM, EX, XX },
2648 { "mulss", XM, EX, XX },
2649 { "mulpd", XM, EX, XX },
2650 { "mulsd", XM, EX, XX },
2651 },
2652 /* PREGRP11 */
2653 {
2654 { "rcpps", XM, EX, XX },
2655 { "rcpss", XM, EX, XX },
2656 { "(bad)", XM, EX, XX },
2657 { "(bad)", XM, EX, XX },
2658 },
2659 /* PREGRP12 */
2660 {
2661 { "rsqrtps", XM, EX, XX },
2662 { "rsqrtss", XM, EX, XX },
2663 { "(bad)", XM, EX, XX },
2664 { "(bad)", XM, EX, XX },
2665 },
2666 /* PREGRP13 */
2667 {
2668 { "sqrtps", XM, EX, XX },
2669 { "sqrtss", XM, EX, XX },
2670 { "sqrtpd", XM, EX, XX },
2671 { "sqrtsd", XM, EX, XX },
2672 },
2673 /* PREGRP14 */
2674 {
2675 { "subps", XM, EX, XX },
2676 { "subss", XM, EX, XX },
2677 { "subpd", XM, EX, XX },
2678 { "subsd", XM, EX, XX },
2679 },
2680 /* PREGRP15 */
2681 {
2682 { "(bad)", XM, EX, XX },
2683 { "cvtdq2pd", XM, EX, XX },
2684 { "cvttpd2dq", XM, EX, XX },
2685 { "cvtpd2dq", XM, EX, XX },
2686 },
2687 /* PREGRP16 */
2688 {
2689 { "cvtdq2ps", XM, EX, XX },
2690 { "cvttps2dq",XM, EX, XX },
2691 { "cvtps2dq",XM, EX, XX },
2692 { "(bad)", XM, EX, XX },
2693 },
2694 /* PREGRP17 */
2695 {
2696 { "cvtps2pd", XM, EX, XX },
2697 { "cvtss2sd", XM, EX, XX },
2698 { "cvtpd2ps", XM, EX, XX },
2699 { "cvtsd2ss", XM, EX, XX },
2700 },
2701 /* PREGRP18 */
2702 {
2703 { "maskmovq", MX, MS, XX },
2704 { "(bad)", XM, EX, XX },
2705 { "maskmovdqu", XM, EX, XX },
2706 { "(bad)", XM, EX, XX },
2707 },
2708 /* PREGRP19 */
2709 {
2710 { "movq", MX, EM, XX },
2711 { "movdqu", XM, EX, XX },
2712 { "movdqa", XM, EX, XX },
2713 { "(bad)", XM, EX, XX },
2714 },
2715 /* PREGRP20 */
2716 {
2717 { "movq", EM, MX, XX },
2718 { "movdqu", EX, XM, XX },
2719 { "movdqa", EX, XM, XX },
2720 { "(bad)", EX, XM, XX },
2721 },
2722 /* PREGRP21 */
2723 {
2724 { "(bad)", EX, XM, XX },
2725 { "movq2dq", XM, MS, XX },
2726 { "movq", EX, XM, XX },
2727 { "movdq2q", MX, XS, XX },
2728 },
2729 /* PREGRP22 */
2730 {
2731 { "pshufw", MX, EM, Ib },
2732 { "pshufhw", XM, EX, Ib },
2733 { "pshufd", XM, EX, Ib },
2734 { "pshuflw", XM, EX, Ib },
2735 },
2736 /* PREGRP23 */
2737 {
2738 { "movd", Ed, MX, XX },
2739 { "movq", XM, EX, XX },
2740 { "movd", Ed, XM, XX },
2741 { "(bad)", Ed, XM, XX },
2742 },
2743 /* PREGRP24 */
2744 {
2745 { "(bad)", MX, EX, XX },
2746 { "(bad)", XM, EX, XX },
2747 { "punpckhqdq", XM, EX, XX },
2748 { "(bad)", XM, EX, XX },
2749 },
2750 /* PREGRP25 */
2751 {
2752 { "movntq", Ev, MX, XX },
2753 { "(bad)", Ev, XM, XX },
2754 { "movntdq", Ev, XM, XX },
2755 { "(bad)", Ev, XM, XX },
2756 },
2757 /* PREGRP26 */
2758 {
2759 { "(bad)", MX, EX, XX },
2760 { "(bad)", XM, EX, XX },
2761 { "punpcklqdq", XM, EX, XX },
2762 { "(bad)", XM, EX, XX },
2763 },
2764 };
2765
2766 #define INTERNAL_DISASSEMBLER_ERROR _("<internal disassembler error>")
2767
2768 static void
2769 ckprefix ()
2770 {
2771 int newrex;
2772 rex = 0;
2773 prefixes = 0;
2774 used_prefixes = 0;
2775 rex_used = 0;
2776 while (1)
2777 {
2778 FETCH_DATA (the_info, codep + 1);
2779 newrex = 0;
2780 switch (*codep)
2781 {
2782 /* REX prefixes family. */
2783 case 0x40:
2784 case 0x41:
2785 case 0x42:
2786 case 0x43:
2787 case 0x44:
2788 case 0x45:
2789 case 0x46:
2790 case 0x47:
2791 case 0x48:
2792 case 0x49:
2793 case 0x4a:
2794 case 0x4b:
2795 case 0x4c:
2796 case 0x4d:
2797 case 0x4e:
2798 case 0x4f:
2799 if (mode_64bit)
2800 newrex = *codep;
2801 else
2802 return;
2803 break;
2804 case 0xf3:
2805 prefixes |= PREFIX_REPZ;
2806 break;
2807 case 0xf2:
2808 prefixes |= PREFIX_REPNZ;
2809 break;
2810 case 0xf0:
2811 prefixes |= PREFIX_LOCK;
2812 break;
2813 case 0x2e:
2814 prefixes |= PREFIX_CS;
2815 break;
2816 case 0x36:
2817 prefixes |= PREFIX_SS;
2818 break;
2819 case 0x3e:
2820 prefixes |= PREFIX_DS;
2821 break;
2822 case 0x26:
2823 prefixes |= PREFIX_ES;
2824 break;
2825 case 0x64:
2826 prefixes |= PREFIX_FS;
2827 break;
2828 case 0x65:
2829 prefixes |= PREFIX_GS;
2830 break;
2831 case 0x66:
2832 prefixes |= PREFIX_DATA;
2833 break;
2834 case 0x67:
2835 prefixes |= PREFIX_ADDR;
2836 break;
2837 case FWAIT_OPCODE:
2838 /* fwait is really an instruction. If there are prefixes
2839 before the fwait, they belong to the fwait, *not* to the
2840 following instruction. */
2841 if (prefixes)
2842 {
2843 prefixes |= PREFIX_FWAIT;
2844 codep++;
2845 return;
2846 }
2847 prefixes = PREFIX_FWAIT;
2848 break;
2849 default:
2850 return;
2851 }
2852 /* Rex is ignored when followed by another prefix. */
2853 if (rex)
2854 {
2855 oappend (prefix_name (rex, 0));
2856 oappend (" ");
2857 }
2858 rex = newrex;
2859 codep++;
2860 }
2861 }
2862
2863 /* Return the name of the prefix byte PREF, or NULL if PREF is not a
2864 prefix byte. */
2865
2866 static const char *
2867 prefix_name (pref, sizeflag)
2868 int pref;
2869 int sizeflag;
2870 {
2871 switch (pref)
2872 {
2873 /* REX prefixes family. */
2874 case 0x40:
2875 return "rex";
2876 case 0x41:
2877 return "rexZ";
2878 case 0x42:
2879 return "rexY";
2880 case 0x43:
2881 return "rexYZ";
2882 case 0x44:
2883 return "rexX";
2884 case 0x45:
2885 return "rexXZ";
2886 case 0x46:
2887 return "rexXY";
2888 case 0x47:
2889 return "rexXYZ";
2890 case 0x48:
2891 return "rex64";
2892 case 0x49:
2893 return "rex64Z";
2894 case 0x4a:
2895 return "rex64Y";
2896 case 0x4b:
2897 return "rex64YZ";
2898 case 0x4c:
2899 return "rex64X";
2900 case 0x4d:
2901 return "rex64XZ";
2902 case 0x4e:
2903 return "rex64XY";
2904 case 0x4f:
2905 return "rex64XYZ";
2906 case 0xf3:
2907 return "repz";
2908 case 0xf2:
2909 return "repnz";
2910 case 0xf0:
2911 return "lock";
2912 case 0x2e:
2913 return "cs";
2914 case 0x36:
2915 return "ss";
2916 case 0x3e:
2917 return "ds";
2918 case 0x26:
2919 return "es";
2920 case 0x64:
2921 return "fs";
2922 case 0x65:
2923 return "gs";
2924 case 0x66:
2925 return (sizeflag & DFLAG) ? "data16" : "data32";
2926 case 0x67:
2927 return (sizeflag & AFLAG) ? "addr16" : "addr32";
2928 case FWAIT_OPCODE:
2929 return "fwait";
2930 default:
2931 return NULL;
2932 }
2933 }
2934
2935 static char op1out[100], op2out[100], op3out[100];
2936 static int op_ad, op_index[3];
2937 static unsigned int op_address[3];
2938 static unsigned int op_riprel[3];
2939 static bfd_vma start_pc;
2940
2941 \f
2942 /*
2943 * On the 386's of 1988, the maximum length of an instruction is 15 bytes.
2944 * (see topic "Redundant prefixes" in the "Differences from 8086"
2945 * section of the "Virtual 8086 Mode" chapter.)
2946 * 'pc' should be the address of this instruction, it will
2947 * be used to print the target address if this is a relative jump or call
2948 * The function returns the length of this instruction in bytes.
2949 */
2950
2951 static int print_insn_i386
2952 PARAMS ((bfd_vma pc, disassemble_info *info));
2953
2954 static char intel_syntax;
2955 static char open_char;
2956 static char close_char;
2957 static char separator_char;
2958 static char scale_char;
2959
2960 int
2961 print_insn_i386_att (pc, info)
2962 bfd_vma pc;
2963 disassemble_info *info;
2964 {
2965 intel_syntax = 0;
2966 open_char = '(';
2967 close_char = ')';
2968 separator_char = ',';
2969 scale_char = ',';
2970
2971 return print_insn_i386 (pc, info);
2972 }
2973
2974 int
2975 print_insn_i386_intel (pc, info)
2976 bfd_vma pc;
2977 disassemble_info *info;
2978 {
2979 intel_syntax = 1;
2980 open_char = '[';
2981 close_char = ']';
2982 separator_char = '+';
2983 scale_char = '*';
2984
2985 return print_insn_i386 (pc, info);
2986 }
2987
2988 static int
2989 print_insn_i386 (pc, info)
2990 bfd_vma pc;
2991 disassemble_info *info;
2992 {
2993 const struct dis386 *dp;
2994 int i;
2995 int two_source_ops;
2996 char *first, *second, *third;
2997 int needcomma;
2998 unsigned char uses_SSE_prefix;
2999 VOLATILE int sizeflag;
3000 VOLATILE int orig_sizeflag;
3001
3002 struct dis_private priv;
3003 bfd_byte *inbuf = priv.the_buffer;
3004
3005 mode_64bit = (info->mach == bfd_mach_x86_64_intel_syntax
3006 || info->mach == bfd_mach_x86_64);
3007
3008 if (info->mach == bfd_mach_i386_i386
3009 || info->mach == bfd_mach_x86_64
3010 || info->mach == bfd_mach_i386_i386_intel_syntax
3011 || info->mach == bfd_mach_x86_64_intel_syntax)
3012 sizeflag = AFLAG|DFLAG;
3013 else if (info->mach == bfd_mach_i386_i8086)
3014 sizeflag = 0;
3015 else
3016 abort ();
3017 orig_sizeflag = sizeflag;
3018
3019 /* The output looks better if we put 7 bytes on a line, since that
3020 puts most long word instructions on a single line. */
3021 info->bytes_per_line = 7;
3022
3023 info->private_data = (PTR) &priv;
3024 priv.max_fetched = priv.the_buffer;
3025 priv.insn_start = pc;
3026
3027 obuf[0] = 0;
3028 op1out[0] = 0;
3029 op2out[0] = 0;
3030 op3out[0] = 0;
3031
3032 op_index[0] = op_index[1] = op_index[2] = -1;
3033
3034 the_info = info;
3035 start_pc = pc;
3036 start_codep = inbuf;
3037 codep = inbuf;
3038
3039 if (setjmp (priv.bailout) != 0)
3040 {
3041 const char *name;
3042
3043 /* Getting here means we tried for data but didn't get it. That
3044 means we have an incomplete instruction of some sort. Just
3045 print the first byte as a prefix or a .byte pseudo-op. */
3046 if (codep > inbuf)
3047 {
3048 name = prefix_name (inbuf[0], orig_sizeflag);
3049 if (name != NULL)
3050 (*info->fprintf_func) (info->stream, "%s", name);
3051 else
3052 {
3053 /* Just print the first byte as a .byte instruction. */
3054 (*info->fprintf_func) (info->stream, ".byte 0x%x",
3055 (unsigned int) inbuf[0]);
3056 }
3057
3058 return 1;
3059 }
3060
3061 return -1;
3062 }
3063
3064 obufp = obuf;
3065 ckprefix ();
3066
3067 insn_codep = codep;
3068
3069 FETCH_DATA (info, codep + 1);
3070 two_source_ops = (*codep == 0x62) || (*codep == 0xc8);
3071
3072 if ((prefixes & PREFIX_FWAIT)
3073 && ((*codep < 0xd8) || (*codep > 0xdf)))
3074 {
3075 const char *name;
3076
3077 /* fwait not followed by floating point instruction. Print the
3078 first prefix, which is probably fwait itself. */
3079 name = prefix_name (inbuf[0], orig_sizeflag);
3080 if (name == NULL)
3081 name = INTERNAL_DISASSEMBLER_ERROR;
3082 (*info->fprintf_func) (info->stream, "%s", name);
3083 return 1;
3084 }
3085
3086 if (*codep == 0x0f)
3087 {
3088 FETCH_DATA (info, codep + 2);
3089 if (intel_syntax)
3090 dp = &dis386_twobyte_intel[*++codep];
3091 else
3092 dp = &dis386_twobyte_att[*++codep];
3093 need_modrm = twobyte_has_modrm[*codep];
3094 uses_SSE_prefix = twobyte_uses_SSE_prefix[*codep];
3095 }
3096 else
3097 {
3098 if (intel_syntax)
3099 if (mode_64bit)
3100 dp = &dis386_64_intel[*codep];
3101 else
3102 dp = &dis386_intel[*codep];
3103 else
3104 if (mode_64bit)
3105 dp = &disx86_64_att[*codep];
3106 else
3107 dp = &dis386_att[*codep];
3108 need_modrm = onebyte_has_modrm[*codep];
3109 uses_SSE_prefix = 0;
3110 }
3111 codep++;
3112
3113 if (!uses_SSE_prefix && (prefixes & PREFIX_REPZ))
3114 {
3115 oappend ("repz ");
3116 used_prefixes |= PREFIX_REPZ;
3117 }
3118 if (!uses_SSE_prefix && (prefixes & PREFIX_REPNZ))
3119 {
3120 oappend ("repnz ");
3121 used_prefixes |= PREFIX_REPNZ;
3122 }
3123 if (prefixes & PREFIX_LOCK)
3124 {
3125 oappend ("lock ");
3126 used_prefixes |= PREFIX_LOCK;
3127 }
3128
3129 if (!uses_SSE_prefix && (prefixes & PREFIX_DATA))
3130 sizeflag ^= DFLAG;
3131
3132 if (prefixes & PREFIX_ADDR)
3133 {
3134 sizeflag ^= AFLAG;
3135 if (sizeflag & AFLAG)
3136 oappend ("addr32 ");
3137 else
3138 oappend ("addr16 ");
3139 used_prefixes |= PREFIX_ADDR;
3140 }
3141
3142 if (need_modrm)
3143 {
3144 FETCH_DATA (info, codep + 1);
3145 mod = (*codep >> 6) & 3;
3146 reg = (*codep >> 3) & 7;
3147 rm = *codep & 7;
3148 }
3149 else
3150 {
3151 mod = 0;
3152 reg = 0;
3153 rm = 0;
3154 }
3155
3156 if (dp->name == NULL && dp->bytemode1 == FLOATCODE)
3157 {
3158 dofloat (sizeflag);
3159 }
3160 else
3161 {
3162 int index;
3163 if (dp->name == NULL)
3164 {
3165 switch(dp->bytemode2)
3166 {
3167 case USE_GROUPS:
3168 dp = &grps[dp->bytemode1][reg];
3169 break;
3170 case USE_PREFIX_USER_TABLE:
3171 index = 0;
3172 used_prefixes |= (prefixes & PREFIX_REPZ);
3173 if (prefixes & PREFIX_REPZ)
3174 index = 1;
3175 else
3176 {
3177 used_prefixes |= (prefixes & PREFIX_DATA);
3178 if (prefixes & PREFIX_DATA)
3179 index = 2;
3180 else
3181 {
3182 used_prefixes |= (prefixes & PREFIX_REPNZ);
3183 if (prefixes & PREFIX_REPNZ)
3184 index = 3;
3185 }
3186 }
3187 dp = &prefix_user_table[dp->bytemode1][index];
3188 break;
3189 default:
3190 oappend (INTERNAL_DISASSEMBLER_ERROR);
3191 break;
3192 }
3193 }
3194
3195 putop (dp->name, sizeflag);
3196
3197 obufp = op1out;
3198 op_ad = 2;
3199 if (dp->op1)
3200 (*dp->op1)(dp->bytemode1, sizeflag);
3201
3202 obufp = op2out;
3203 op_ad = 1;
3204 if (dp->op2)
3205 (*dp->op2)(dp->bytemode2, sizeflag);
3206
3207 obufp = op3out;
3208 op_ad = 0;
3209 if (dp->op3)
3210 (*dp->op3)(dp->bytemode3, sizeflag);
3211 }
3212
3213 /* See if any prefixes were not used. If so, print the first one
3214 separately. If we don't do this, we'll wind up printing an
3215 instruction stream which does not precisely correspond to the
3216 bytes we are disassembling. */
3217 if ((prefixes & ~used_prefixes) != 0)
3218 {
3219 const char *name;
3220
3221 name = prefix_name (inbuf[0], orig_sizeflag);
3222 if (name == NULL)
3223 name = INTERNAL_DISASSEMBLER_ERROR;
3224 (*info->fprintf_func) (info->stream, "%s", name);
3225 return 1;
3226 }
3227 if (rex & ~rex_used)
3228 {
3229 const char *name;
3230 name = prefix_name (rex | 0x40, orig_sizeflag);
3231 if (name == NULL)
3232 name = INTERNAL_DISASSEMBLER_ERROR;
3233 (*info->fprintf_func) (info->stream, "%s ", name);
3234 }
3235
3236 obufp = obuf + strlen (obuf);
3237 for (i = strlen (obuf); i < 6; i++)
3238 oappend (" ");
3239 oappend (" ");
3240 (*info->fprintf_func) (info->stream, "%s", obuf);
3241
3242 /* The enter and bound instructions are printed with operands in the same
3243 order as the intel book; everything else is printed in reverse order. */
3244 if (intel_syntax || two_source_ops)
3245 {
3246 first = op1out;
3247 second = op2out;
3248 third = op3out;
3249 op_ad = op_index[0];
3250 op_index[0] = op_index[2];
3251 op_index[2] = op_ad;
3252 }
3253 else
3254 {
3255 first = op3out;
3256 second = op2out;
3257 third = op1out;
3258 }
3259 needcomma = 0;
3260 if (*first)
3261 {
3262 if (op_index[0] != -1 && !op_riprel[0])
3263 (*info->print_address_func) ((bfd_vma) op_address[op_index[0]], info);
3264 else
3265 (*info->fprintf_func) (info->stream, "%s", first);
3266 needcomma = 1;
3267 }
3268 if (*second)
3269 {
3270 if (needcomma)
3271 (*info->fprintf_func) (info->stream, ",");
3272 if (op_index[1] != -1 && !op_riprel[1])
3273 (*info->print_address_func) ((bfd_vma) op_address[op_index[1]], info);
3274 else
3275 (*info->fprintf_func) (info->stream, "%s", second);
3276 needcomma = 1;
3277 }
3278 if (*third)
3279 {
3280 if (needcomma)
3281 (*info->fprintf_func) (info->stream, ",");
3282 if (op_index[2] != -1 && !op_riprel[2])
3283 (*info->print_address_func) ((bfd_vma) op_address[op_index[2]], info);
3284 else
3285 (*info->fprintf_func) (info->stream, "%s", third);
3286 }
3287 for (i = 0; i < 3; i++)
3288 if (op_index[i] != -1 && op_riprel[i])
3289 {
3290 (*info->fprintf_func) (info->stream, " # ");
3291 (*info->print_address_func) ((bfd_vma) (start_pc + codep - start_codep
3292 + op_address[op_index[i]]), info);
3293 }
3294 return codep - inbuf;
3295 }
3296
3297 static const char *float_mem_att[] = {
3298 /* d8 */
3299 "fadds",
3300 "fmuls",
3301 "fcoms",
3302 "fcomps",
3303 "fsubs",
3304 "fsubrs",
3305 "fdivs",
3306 "fdivrs",
3307 /* d9 */
3308 "flds",
3309 "(bad)",
3310 "fsts",
3311 "fstps",
3312 "fldenv",
3313 "fldcw",
3314 "fNstenv",
3315 "fNstcw",
3316 /* da */
3317 "fiaddl",
3318 "fimull",
3319 "ficoml",
3320 "ficompl",
3321 "fisubl",
3322 "fisubrl",
3323 "fidivl",
3324 "fidivrl",
3325 /* db */
3326 "fildl",
3327 "(bad)",
3328 "fistl",
3329 "fistpl",
3330 "(bad)",
3331 "fldt",
3332 "(bad)",
3333 "fstpt",
3334 /* dc */
3335 "faddl",
3336 "fmull",
3337 "fcoml",
3338 "fcompl",
3339 "fsubl",
3340 "fsubrl",
3341 "fdivl",
3342 "fdivrl",
3343 /* dd */
3344 "fldl",
3345 "(bad)",
3346 "fstl",
3347 "fstpl",
3348 "frstor",
3349 "(bad)",
3350 "fNsave",
3351 "fNstsw",
3352 /* de */
3353 "fiadd",
3354 "fimul",
3355 "ficom",
3356 "ficomp",
3357 "fisub",
3358 "fisubr",
3359 "fidiv",
3360 "fidivr",
3361 /* df */
3362 "fild",
3363 "(bad)",
3364 "fist",
3365 "fistp",
3366 "fbld",
3367 "fildll",
3368 "fbstp",
3369 "fistpll",
3370 };
3371
3372 static const char *float_mem_intel[] = {
3373 /* d8 */
3374 "fadd",
3375 "fmul",
3376 "fcom",
3377 "fcomp",
3378 "fsub",
3379 "fsubr",
3380 "fdiv",
3381 "fdivr",
3382 /* d9 */
3383 "fld",
3384 "(bad)",
3385 "fst",
3386 "fstp",
3387 "fldenv",
3388 "fldcw",
3389 "fNstenv",
3390 "fNstcw",
3391 /* da */
3392 "fiadd",
3393 "fimul",
3394 "ficom",
3395 "ficomp",
3396 "fisub",
3397 "fisubr",
3398 "fidiv",
3399 "fidivr",
3400 /* db */
3401 "fild",
3402 "(bad)",
3403 "fist",
3404 "fistp",
3405 "(bad)",
3406 "fld",
3407 "(bad)",
3408 "fstp",
3409 /* dc */
3410 "fadd",
3411 "fmul",
3412 "fcom",
3413 "fcomp",
3414 "fsub",
3415 "fsubr",
3416 "fdiv",
3417 "fdivr",
3418 /* dd */
3419 "fld",
3420 "(bad)",
3421 "fst",
3422 "fstp",
3423 "frstor",
3424 "(bad)",
3425 "fNsave",
3426 "fNstsw",
3427 /* de */
3428 "fiadd",
3429 "fimul",
3430 "ficom",
3431 "ficomp",
3432 "fisub",
3433 "fisubr",
3434 "fidiv",
3435 "fidivr",
3436 /* df */
3437 "fild",
3438 "(bad)",
3439 "fist",
3440 "fistp",
3441 "fbld",
3442 "fild",
3443 "fbstp",
3444 "fistpll",
3445 };
3446
3447 #define ST OP_ST, 0
3448 #define STi OP_STi, 0
3449
3450 #define FGRPd9_2 NULL, NULL, 0, NULL, 0, NULL, 0
3451 #define FGRPd9_4 NULL, NULL, 1, NULL, 0, NULL, 0
3452 #define FGRPd9_5 NULL, NULL, 2, NULL, 0, NULL, 0
3453 #define FGRPd9_6 NULL, NULL, 3, NULL, 0, NULL, 0
3454 #define FGRPd9_7 NULL, NULL, 4, NULL, 0, NULL, 0
3455 #define FGRPda_5 NULL, NULL, 5, NULL, 0, NULL, 0
3456 #define FGRPdb_4 NULL, NULL, 6, NULL, 0, NULL, 0
3457 #define FGRPde_3 NULL, NULL, 7, NULL, 0, NULL, 0
3458 #define FGRPdf_4 NULL, NULL, 8, NULL, 0, NULL, 0
3459
3460 static const struct dis386 float_reg[][8] = {
3461 /* d8 */
3462 {
3463 { "fadd", ST, STi, XX },
3464 { "fmul", ST, STi, XX },
3465 { "fcom", STi, XX, XX },
3466 { "fcomp", STi, XX, XX },
3467 { "fsub", ST, STi, XX },
3468 { "fsubr", ST, STi, XX },
3469 { "fdiv", ST, STi, XX },
3470 { "fdivr", ST, STi, XX },
3471 },
3472 /* d9 */
3473 {
3474 { "fld", STi, XX, XX },
3475 { "fxch", STi, XX, XX },
3476 { FGRPd9_2 },
3477 { "(bad)", XX, XX, XX },
3478 { FGRPd9_4 },
3479 { FGRPd9_5 },
3480 { FGRPd9_6 },
3481 { FGRPd9_7 },
3482 },
3483 /* da */
3484 {
3485 { "fcmovb", ST, STi, XX },
3486 { "fcmove", ST, STi, XX },
3487 { "fcmovbe",ST, STi, XX },
3488 { "fcmovu", ST, STi, XX },
3489 { "(bad)", XX, XX, XX },
3490 { FGRPda_5 },
3491 { "(bad)", XX, XX, XX },
3492 { "(bad)", XX, XX, XX },
3493 },
3494 /* db */
3495 {
3496 { "fcmovnb",ST, STi, XX },
3497 { "fcmovne",ST, STi, XX },
3498 { "fcmovnbe",ST, STi, XX },
3499 { "fcmovnu",ST, STi, XX },
3500 { FGRPdb_4 },
3501 { "fucomi", ST, STi, XX },
3502 { "fcomi", ST, STi, XX },
3503 { "(bad)", XX, XX, XX },
3504 },
3505 /* dc */
3506 {
3507 { "fadd", STi, ST, XX },
3508 { "fmul", STi, ST, XX },
3509 { "(bad)", XX, XX, XX },
3510 { "(bad)", XX, XX, XX },
3511 #if UNIXWARE_COMPAT
3512 { "fsub", STi, ST, XX },
3513 { "fsubr", STi, ST, XX },
3514 { "fdiv", STi, ST, XX },
3515 { "fdivr", STi, ST, XX },
3516 #else
3517 { "fsubr", STi, ST, XX },
3518 { "fsub", STi, ST, XX },
3519 { "fdivr", STi, ST, XX },
3520 { "fdiv", STi, ST, XX },
3521 #endif
3522 },
3523 /* dd */
3524 {
3525 { "ffree", STi, XX, XX },
3526 { "(bad)", XX, XX, XX },
3527 { "fst", STi, XX, XX },
3528 { "fstp", STi, XX, XX },
3529 { "fucom", STi, XX, XX },
3530 { "fucomp", STi, XX, XX },
3531 { "(bad)", XX, XX, XX },
3532 { "(bad)", XX, XX, XX },
3533 },
3534 /* de */
3535 {
3536 { "faddp", STi, ST, XX },
3537 { "fmulp", STi, ST, XX },
3538 { "(bad)", XX, XX, XX },
3539 { FGRPde_3 },
3540 #if UNIXWARE_COMPAT
3541 { "fsubp", STi, ST, XX },
3542 { "fsubrp", STi, ST, XX },
3543 { "fdivp", STi, ST, XX },
3544 { "fdivrp", STi, ST, XX },
3545 #else
3546 { "fsubrp", STi, ST, XX },
3547 { "fsubp", STi, ST, XX },
3548 { "fdivrp", STi, ST, XX },
3549 { "fdivp", STi, ST, XX },
3550 #endif
3551 },
3552 /* df */
3553 {
3554 { "ffreep", STi, XX, XX },
3555 { "(bad)", XX, XX, XX },
3556 { "(bad)", XX, XX, XX },
3557 { "(bad)", XX, XX, XX },
3558 { FGRPdf_4 },
3559 { "fucomip",ST, STi, XX },
3560 { "fcomip", ST, STi, XX },
3561 { "(bad)", XX, XX, XX },
3562 },
3563 };
3564
3565
3566 static char *fgrps[][8] = {
3567 /* d9_2 0 */
3568 {
3569 "fnop","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)",
3570 },
3571
3572 /* d9_4 1 */
3573 {
3574 "fchs","fabs","(bad)","(bad)","ftst","fxam","(bad)","(bad)",
3575 },
3576
3577 /* d9_5 2 */
3578 {
3579 "fld1","fldl2t","fldl2e","fldpi","fldlg2","fldln2","fldz","(bad)",
3580 },
3581
3582 /* d9_6 3 */
3583 {
3584 "f2xm1","fyl2x","fptan","fpatan","fxtract","fprem1","fdecstp","fincstp",
3585 },
3586
3587 /* d9_7 4 */
3588 {
3589 "fprem","fyl2xp1","fsqrt","fsincos","frndint","fscale","fsin","fcos",
3590 },
3591
3592 /* da_5 5 */
3593 {
3594 "(bad)","fucompp","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)",
3595 },
3596
3597 /* db_4 6 */
3598 {
3599 "feni(287 only)","fdisi(287 only)","fNclex","fNinit",
3600 "fNsetpm(287 only)","(bad)","(bad)","(bad)",
3601 },
3602
3603 /* de_3 7 */
3604 {
3605 "(bad)","fcompp","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)",
3606 },
3607
3608 /* df_4 8 */
3609 {
3610 "fNstsw","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)",
3611 },
3612 };
3613
3614 static void
3615 dofloat (sizeflag)
3616 int sizeflag;
3617 {
3618 const struct dis386 *dp;
3619 unsigned char floatop;
3620
3621 floatop = codep[-1];
3622
3623 if (mod != 3)
3624 {
3625 if (intel_syntax)
3626 putop (float_mem_intel[(floatop - 0xd8 ) * 8 + reg], sizeflag);
3627 else
3628 putop (float_mem_att[(floatop - 0xd8 ) * 8 + reg], sizeflag);
3629 obufp = op1out;
3630 if (floatop == 0xdb)
3631 OP_E (x_mode, sizeflag);
3632 else if (floatop == 0xdd)
3633 OP_E (d_mode, sizeflag);
3634 else
3635 OP_E (v_mode, sizeflag);
3636 return;
3637 }
3638 /* skip mod/rm byte */
3639 MODRM_CHECK;
3640 codep++;
3641
3642 dp = &float_reg[floatop - 0xd8][reg];
3643 if (dp->name == NULL)
3644 {
3645 putop (fgrps[dp->bytemode1][rm], sizeflag);
3646
3647 /* instruction fnstsw is only one with strange arg */
3648 if (floatop == 0xdf && codep[-1] == 0xe0)
3649 strcpy (op1out, names16[0]);
3650 }
3651 else
3652 {
3653 putop (dp->name, sizeflag);
3654
3655 obufp = op1out;
3656 if (dp->op1)
3657 (*dp->op1)(dp->bytemode1, sizeflag);
3658 obufp = op2out;
3659 if (dp->op2)
3660 (*dp->op2)(dp->bytemode2, sizeflag);
3661 }
3662 }
3663
3664 /* ARGSUSED */
3665 static void
3666 OP_ST (ignore, sizeflag)
3667 int ignore ATTRIBUTE_UNUSED;
3668 int sizeflag ATTRIBUTE_UNUSED;
3669 {
3670 oappend ("%st");
3671 }
3672
3673 /* ARGSUSED */
3674 static void
3675 OP_STi (ignore, sizeflag)
3676 int ignore ATTRIBUTE_UNUSED;
3677 int sizeflag ATTRIBUTE_UNUSED;
3678 {
3679 sprintf (scratchbuf, "%%st(%d)", rm);
3680 oappend (scratchbuf);
3681 }
3682
3683
3684 /* capital letters in template are macros */
3685 static void
3686 putop (template, sizeflag)
3687 const char *template;
3688 int sizeflag;
3689 {
3690 const char *p;
3691
3692 for (p = template; *p; p++)
3693 {
3694 switch (*p)
3695 {
3696 default:
3697 *obufp++ = *p;
3698 break;
3699 case 'A':
3700 if (intel_syntax)
3701 break;
3702 if (mod != 3
3703 #ifdef SUFFIX_ALWAYS
3704 || (sizeflag & SUFFIX_ALWAYS)
3705 #endif
3706 )
3707 *obufp++ = 'b';
3708 break;
3709 case 'B':
3710 if (intel_syntax)
3711 break;
3712 #ifdef SUFFIX_ALWAYS
3713 if (sizeflag & SUFFIX_ALWAYS)
3714 *obufp++ = 'b';
3715 #endif
3716 break;
3717 case 'E': /* For jcxz/jecxz */
3718 if (sizeflag & AFLAG)
3719 *obufp++ = 'e';
3720 break;
3721 case 'I':
3722 if (intel_syntax)
3723 break;
3724 if (mode_64bit)
3725 *obufp++ = 'q';
3726 else
3727 {
3728 if ((prefixes & PREFIX_DATA)
3729 #ifdef SUFFIX_ALWAYS
3730 || (sizeflag & SUFFIX_ALWAYS)
3731 #endif
3732 )
3733 {
3734 if (sizeflag & DFLAG)
3735 *obufp++ = 'l';
3736 else
3737 *obufp++ = 'w';
3738 used_prefixes |= (prefixes & PREFIX_DATA);
3739 }
3740 }
3741 break;
3742 case 'L':
3743 if (intel_syntax)
3744 break;
3745 #ifdef SUFFIX_ALWAYS
3746 if (sizeflag & SUFFIX_ALWAYS)
3747 *obufp++ = 'l';
3748 #endif
3749 break;
3750 case 'N':
3751 if ((prefixes & PREFIX_FWAIT) == 0)
3752 *obufp++ = 'n';
3753 else
3754 used_prefixes |= PREFIX_FWAIT;
3755 break;
3756 case 'O':
3757 USED_REX (REX_MODE64);
3758 if (rex & REX_MODE64)
3759 *obufp++ = 'o';
3760 else
3761 *obufp++ = 'd';
3762 break;
3763 case 'P':
3764 if (intel_syntax)
3765 break;
3766 if ((prefixes & PREFIX_DATA)
3767 || (rex & REX_MODE64)
3768 #ifdef SUFFIX_ALWAYS
3769 || (sizeflag & SUFFIX_ALWAYS)
3770 #endif
3771 )
3772 {
3773 USED_REX (REX_MODE64);
3774 if (rex & REX_MODE64)
3775 *obufp++ = 'q';
3776 else
3777 {
3778 if (sizeflag & DFLAG)
3779 *obufp++ = 'l';
3780 else
3781 *obufp++ = 'w';
3782 used_prefixes |= (prefixes & PREFIX_DATA);
3783 }
3784 }
3785 break;
3786 case 'Q':
3787 if (intel_syntax)
3788 break;
3789 USED_REX (REX_MODE64);
3790 if (mod != 3
3791 #ifdef SUFFIX_ALWAYS
3792 || (sizeflag & SUFFIX_ALWAYS)
3793 #endif
3794 )
3795 {
3796 if (rex & REX_MODE64)
3797 *obufp++ = 'q';
3798 else
3799 {
3800 if (sizeflag & DFLAG)
3801 *obufp++ = 'l';
3802 else
3803 *obufp++ = 'w';
3804 used_prefixes |= (prefixes & PREFIX_DATA);
3805 }
3806 }
3807 break;
3808 case 'R':
3809 USED_REX (REX_MODE64);
3810 if (intel_syntax)
3811 {
3812 if (rex & REX_MODE64)
3813 {
3814 *obufp++ = 'q';
3815 *obufp++ = 't';
3816 }
3817 else if (sizeflag & DFLAG)
3818 {
3819 *obufp++ = 'd';
3820 *obufp++ = 'q';
3821 }
3822 else
3823 {
3824 *obufp++ = 'w';
3825 *obufp++ = 'd';
3826 }
3827 }
3828 else
3829 {
3830 if (rex & REX_MODE64)
3831 *obufp++ = 'q';
3832 else if (sizeflag & DFLAG)
3833 *obufp++ = 'l';
3834 else
3835 *obufp++ = 'w';
3836 }
3837 if (!(rex & REX_MODE64))
3838 used_prefixes |= (prefixes & PREFIX_DATA);
3839 break;
3840 case 'S':
3841 if (intel_syntax)
3842 break;
3843 #ifdef SUFFIX_ALWAYS
3844 if (sizeflag & SUFFIX_ALWAYS)
3845 {
3846 if (rex & REX_MODE64)
3847 *obufp++ = 'q';
3848 else
3849 {
3850 if (sizeflag & DFLAG)
3851 *obufp++ = 'l';
3852 else
3853 *obufp++ = 'w';
3854 used_prefixes |= (prefixes & PREFIX_DATA);
3855 }
3856 }
3857 #endif
3858 break;
3859 case 'T':
3860 if (intel_syntax)
3861 break;
3862 if (mode_64bit)
3863 *obufp++ = 'q';
3864 else if (mod != 3
3865 #ifdef SUFFIX_ALWAYS
3866 || (sizeflag & SUFFIX_ALWAYS)
3867 #endif
3868 )
3869 {
3870 if (sizeflag & DFLAG)
3871 *obufp++ = 'l';
3872 else
3873 *obufp++ = 'w';
3874 used_prefixes |= (prefixes & PREFIX_DATA);
3875 }
3876 break;
3877 case 'X':
3878 if (prefixes & PREFIX_DATA)
3879 *obufp++ = 'd';
3880 else
3881 *obufp++ = 's';
3882 used_prefixes |= (prefixes & PREFIX_DATA);
3883 break;
3884 case 'Y':
3885 if (intel_syntax)
3886 break;
3887 if (rex & REX_MODE64)
3888 {
3889 USED_REX (REX_MODE64);
3890 *obufp++ = 'q';
3891 }
3892 break;
3893 /* implicit operand size 'l' for i386 or 'q' for x86-64 */
3894 case 'W':
3895 /* operand size flag for cwtl, cbtw */
3896 USED_REX (0);
3897 if (rex)
3898 *obufp++ = 'l';
3899 else if (sizeflag & DFLAG)
3900 *obufp++ = 'w';
3901 else
3902 *obufp++ = 'b';
3903 if (intel_syntax)
3904 {
3905 if (rex)
3906 {
3907 *obufp++ = 'q';
3908 *obufp++ = 'e';
3909 }
3910 if (sizeflag & DFLAG)
3911 {
3912 *obufp++ = 'd';
3913 *obufp++ = 'e';
3914 }
3915 else
3916 {
3917 *obufp++ = 'w';
3918 }
3919 }
3920 if (!rex)
3921 used_prefixes |= (prefixes & PREFIX_DATA);
3922 break;
3923 }
3924 }
3925 *obufp = 0;
3926 }
3927
3928 static void
3929 oappend (s)
3930 const char *s;
3931 {
3932 strcpy (obufp, s);
3933 obufp += strlen (s);
3934 }
3935
3936 static void
3937 append_seg ()
3938 {
3939 if (prefixes & PREFIX_CS)
3940 {
3941 oappend ("%cs:");
3942 used_prefixes |= PREFIX_CS;
3943 }
3944 if (prefixes & PREFIX_DS)
3945 {
3946 oappend ("%ds:");
3947 used_prefixes |= PREFIX_DS;
3948 }
3949 if (prefixes & PREFIX_SS)
3950 {
3951 oappend ("%ss:");
3952 used_prefixes |= PREFIX_SS;
3953 }
3954 if (prefixes & PREFIX_ES)
3955 {
3956 oappend ("%es:");
3957 used_prefixes |= PREFIX_ES;
3958 }
3959 if (prefixes & PREFIX_FS)
3960 {
3961 oappend ("%fs:");
3962 used_prefixes |= PREFIX_FS;
3963 }
3964 if (prefixes & PREFIX_GS)
3965 {
3966 oappend ("%gs:");
3967 used_prefixes |= PREFIX_GS;
3968 }
3969 }
3970
3971 static void
3972 OP_indirE (bytemode, sizeflag)
3973 int bytemode;
3974 int sizeflag;
3975 {
3976 if (!intel_syntax)
3977 oappend ("*");
3978 OP_E (bytemode, sizeflag);
3979 }
3980
3981 static void
3982 print_operand_value (buf, hex, disp)
3983 char *buf;
3984 int hex;
3985 bfd_vma disp;
3986 {
3987 if (mode_64bit)
3988 {
3989 if (hex)
3990 {
3991 char tmp[30];
3992 int i;
3993 buf[0] = '0';
3994 buf[1] = 'x';
3995 sprintf_vma (tmp, disp);
3996 for (i = 0; tmp[i] == '0' && tmp[i+1]; i++);
3997 strcpy (buf + 2, tmp + i);
3998 }
3999 else
4000 {
4001 bfd_signed_vma v = disp;
4002 char tmp[30];
4003 int i;
4004 if (v < 0)
4005 {
4006 *(buf++) = '-';
4007 v = -disp;
4008 /* Check for possible overflow on 0x8000000000000000 */
4009 if (v < 0)
4010 {
4011 strcpy (buf, "9223372036854775808");
4012 return;
4013 }
4014 }
4015 if (!v)
4016 {
4017 strcpy (buf, "0");
4018 return;
4019 }
4020
4021 i = 0;
4022 tmp[29] = 0;
4023 while (v)
4024 {
4025 tmp[28-i] = (v % 10) + '0';
4026 v /= 10;
4027 i++;
4028 }
4029 strcpy (buf, tmp + 29 - i);
4030 }
4031 }
4032 else
4033 {
4034 if (hex)
4035 sprintf (buf, "0x%x", (unsigned int) disp);
4036 else
4037 sprintf (buf, "%d", (int) disp);
4038 }
4039 }
4040
4041 static void
4042 OP_E (bytemode, sizeflag)
4043 int bytemode;
4044 int sizeflag;
4045 {
4046 bfd_vma disp;
4047 int add = 0;
4048 int riprel = 0;
4049 USED_REX (REX_EXTZ);
4050 if (rex & REX_EXTZ)
4051 add += 8;
4052
4053 /* skip mod/rm byte */
4054 MODRM_CHECK;
4055 codep++;
4056
4057 if (mod == 3)
4058 {
4059 switch (bytemode)
4060 {
4061 case b_mode:
4062 USED_REX (0);
4063 if (rex)
4064 oappend (names8rex[rm + add]);
4065 else
4066 oappend (names8[rm + add]);
4067 break;
4068 case w_mode:
4069 oappend (names16[rm + add]);
4070 break;
4071 case d_mode:
4072 oappend (names32[rm + add]);
4073 break;
4074 case q_mode:
4075 oappend (names64[rm + add]);
4076 break;
4077 case m_mode:
4078 if (mode_64bit)
4079 oappend (names64[rm + add]);
4080 else
4081 oappend (names32[rm + add]);
4082 break;
4083 case v_mode:
4084 USED_REX (REX_MODE64);
4085 if (rex & REX_MODE64)
4086 oappend (names64[rm + add]);
4087 else if (sizeflag & DFLAG)
4088 oappend (names32[rm + add]);
4089 else
4090 oappend (names16[rm + add]);
4091 used_prefixes |= (prefixes & PREFIX_DATA);
4092 break;
4093 case 0:
4094 if ( !(codep[-2] == 0xAE && codep[-1] == 0xF8 /* sfence */)
4095 && !(codep[-2] == 0xAE && codep[-1] == 0xF0 /* mfence */)
4096 && !(codep[-2] == 0xAE && codep[-1] == 0xe8 /* lfence */))
4097 BadOp(); /* bad sfence,lea,lds,les,lfs,lgs,lss modrm */
4098 break;
4099 default:
4100 oappend (INTERNAL_DISASSEMBLER_ERROR);
4101 break;
4102 }
4103 return;
4104 }
4105
4106 disp = 0;
4107 append_seg ();
4108
4109 if (sizeflag & AFLAG) /* 32 bit address mode */
4110 {
4111 int havesib;
4112 int havebase;
4113 int base;
4114 int index = 0;
4115 int scale = 0;
4116
4117 havesib = 0;
4118 havebase = 1;
4119 base = rm;
4120
4121 if (base == 4)
4122 {
4123 havesib = 1;
4124 FETCH_DATA (the_info, codep + 1);
4125 scale = (*codep >> 6) & 3;
4126 index = (*codep >> 3) & 7;
4127 base = *codep & 7;
4128 USED_REX (REX_EXTY);
4129 USED_REX (REX_EXTZ);
4130 if (rex & REX_EXTY)
4131 index += 8;
4132 if (rex & REX_EXTZ)
4133 base += 8;
4134 codep++;
4135 }
4136
4137 switch (mod)
4138 {
4139 case 0:
4140 if ((base & 7) == 5)
4141 {
4142 havebase = 0;
4143 if (mode_64bit && !havesib)
4144 riprel = 1;
4145 disp = get32s ();
4146 }
4147 break;
4148 case 1:
4149 FETCH_DATA (the_info, codep + 1);
4150 disp = *codep++;
4151 if ((disp & 0x80) != 0)
4152 disp -= 0x100;
4153 break;
4154 case 2:
4155 disp = get32s ();
4156 break;
4157 }
4158
4159 if (!intel_syntax)
4160 if (mod != 0 || (base & 7) == 5)
4161 {
4162 print_operand_value (scratchbuf, !riprel, disp);
4163 oappend (scratchbuf);
4164 if (riprel)
4165 {
4166 set_op (disp, 1);
4167 oappend ("(%rip)");
4168 }
4169 }
4170
4171 if (havebase || (havesib && (index != 4 || scale != 0)))
4172 {
4173 if (intel_syntax)
4174 {
4175 switch (bytemode)
4176 {
4177 case b_mode:
4178 oappend ("BYTE PTR ");
4179 break;
4180 case w_mode:
4181 oappend ("WORD PTR ");
4182 break;
4183 case v_mode:
4184 oappend ("DWORD PTR ");
4185 break;
4186 case d_mode:
4187 oappend ("QWORD PTR ");
4188 break;
4189 case m_mode:
4190 if (mode_64bit)
4191 oappend ("DWORD PTR ");
4192 else
4193 oappend ("QWORD PTR ");
4194 break;
4195 case x_mode:
4196 oappend ("XWORD PTR ");
4197 break;
4198 default:
4199 break;
4200 }
4201 }
4202 *obufp++ = open_char;
4203 if (intel_syntax && riprel)
4204 oappend ("rip + ");
4205 *obufp = '\0';
4206 USED_REX (REX_EXTZ);
4207 if (!havesib && (rex & REX_EXTZ))
4208 base += 8;
4209 if (havebase)
4210 oappend (mode_64bit ? names64[base] : names32[base]);
4211 if (havesib)
4212 {
4213 if (index != 4)
4214 {
4215 if (intel_syntax)
4216 {
4217 if (havebase)
4218 {
4219 *obufp++ = separator_char;
4220 *obufp = '\0';
4221 }
4222 sprintf (scratchbuf, "%s", mode_64bit ? names64[index] : names32[index]);
4223 }
4224 else
4225 sprintf (scratchbuf, ",%s", mode_64bit ? names64[index] : names32[index]);
4226 oappend (scratchbuf);
4227 }
4228 if (!intel_syntax
4229 || (intel_syntax
4230 && bytemode != b_mode
4231 && bytemode != w_mode
4232 && bytemode != v_mode))
4233 {
4234 *obufp++ = scale_char;
4235 *obufp = '\0';
4236 sprintf (scratchbuf, "%d", 1 << scale);
4237 oappend (scratchbuf);
4238 }
4239 }
4240 if (intel_syntax)
4241 if (mod != 0 || (base & 7) == 5)
4242 {
4243 /* Don't print zero displacements */
4244 if (disp != 0)
4245 {
4246 print_operand_value (scratchbuf, 0, disp);
4247 oappend (scratchbuf);
4248 }
4249 }
4250
4251 *obufp++ = close_char;
4252 *obufp = '\0';
4253 }
4254 else if (intel_syntax)
4255 {
4256 if (mod != 0 || (base & 7) == 5)
4257 {
4258 if (prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS
4259 | PREFIX_ES | PREFIX_FS | PREFIX_GS))
4260 ;
4261 else
4262 {
4263 oappend (names_seg[3]);
4264 oappend (":");
4265 }
4266 print_operand_value (scratchbuf, 1, disp);
4267 oappend (scratchbuf);
4268 }
4269 }
4270 }
4271 else
4272 { /* 16 bit address mode */
4273 switch (mod)
4274 {
4275 case 0:
4276 if ((rm & 7) == 6)
4277 {
4278 disp = get16 ();
4279 if ((disp & 0x8000) != 0)
4280 disp -= 0x10000;
4281 }
4282 break;
4283 case 1:
4284 FETCH_DATA (the_info, codep + 1);
4285 disp = *codep++;
4286 if ((disp & 0x80) != 0)
4287 disp -= 0x100;
4288 break;
4289 case 2:
4290 disp = get16 ();
4291 if ((disp & 0x8000) != 0)
4292 disp -= 0x10000;
4293 break;
4294 }
4295
4296 if (!intel_syntax)
4297 if (mod != 0 || (rm & 7) == 6)
4298 {
4299 print_operand_value (scratchbuf, 0, disp);
4300 oappend (scratchbuf);
4301 }
4302
4303 if (mod != 0 || (rm & 7) != 6)
4304 {
4305 *obufp++ = open_char;
4306 *obufp = '\0';
4307 oappend (index16[rm + add]);
4308 *obufp++ = close_char;
4309 *obufp = '\0';
4310 }
4311 }
4312 }
4313
4314 static void
4315 OP_G (bytemode, sizeflag)
4316 int bytemode;
4317 int sizeflag;
4318 {
4319 int add = 0;
4320 USED_REX (REX_EXTX);
4321 if (rex & REX_EXTX)
4322 add += 8;
4323 switch (bytemode)
4324 {
4325 case b_mode:
4326 USED_REX (0);
4327 if (rex)
4328 oappend (names8rex[reg + add]);
4329 else
4330 oappend (names8[reg + add]);
4331 break;
4332 case w_mode:
4333 oappend (names16[reg + add]);
4334 break;
4335 case d_mode:
4336 oappend (names32[reg + add]);
4337 break;
4338 case q_mode:
4339 oappend (names64[reg + add]);
4340 break;
4341 case v_mode:
4342 USED_REX (REX_MODE64);
4343 if (rex & REX_MODE64)
4344 oappend (names64[reg + add]);
4345 else if (sizeflag & DFLAG)
4346 oappend (names32[reg + add]);
4347 else
4348 oappend (names16[reg + add]);
4349 used_prefixes |= (prefixes & PREFIX_DATA);
4350 break;
4351 default:
4352 oappend (INTERNAL_DISASSEMBLER_ERROR);
4353 break;
4354 }
4355 }
4356
4357 static bfd_vma
4358 get64 ()
4359 {
4360 unsigned int a = 0;
4361 unsigned int b = 0;
4362 bfd_vma x = 0;
4363
4364 #ifdef BFD64
4365 FETCH_DATA (the_info, codep + 8);
4366 a = *codep++ & 0xff;
4367 a |= (*codep++ & 0xff) << 8;
4368 a |= (*codep++ & 0xff) << 16;
4369 a |= (*codep++ & 0xff) << 24;
4370 b |= (*codep++ & 0xff);
4371 b |= (*codep++ & 0xff) << 8;
4372 b |= (*codep++ & 0xff) << 16;
4373 b |= (*codep++ & 0xff) << 24;
4374 x = a + ((bfd_vma) b << 32);
4375 #else
4376 abort();
4377 #endif
4378 return x;
4379 }
4380
4381 static bfd_signed_vma
4382 get32 ()
4383 {
4384 bfd_signed_vma x = 0;
4385
4386 FETCH_DATA (the_info, codep + 4);
4387 x = *codep++ & (bfd_signed_vma) 0xff;
4388 x |= (*codep++ & (bfd_signed_vma) 0xff) << 8;
4389 x |= (*codep++ & (bfd_signed_vma) 0xff) << 16;
4390 x |= (*codep++ & (bfd_signed_vma) 0xff) << 24;
4391 return x;
4392 }
4393
4394 static bfd_signed_vma
4395 get32s ()
4396 {
4397 bfd_signed_vma x = 0;
4398
4399 FETCH_DATA (the_info, codep + 4);
4400 x = *codep++ & (bfd_signed_vma) 0xff;
4401 x |= (*codep++ & (bfd_signed_vma) 0xff) << 8;
4402 x |= (*codep++ & (bfd_signed_vma) 0xff) << 16;
4403 x |= (*codep++ & (bfd_signed_vma) 0xff) << 24;
4404
4405 x = (x ^ ((bfd_signed_vma) 1 << 31)) - ((bfd_signed_vma) 1 << 31);
4406
4407 return x;
4408 }
4409
4410 static int
4411 get16 ()
4412 {
4413 int x = 0;
4414
4415 FETCH_DATA (the_info, codep + 2);
4416 x = *codep++ & 0xff;
4417 x |= (*codep++ & 0xff) << 8;
4418 return x;
4419 }
4420
4421 static void
4422 set_op (op, riprel)
4423 unsigned int op;
4424 int riprel;
4425 {
4426 op_index[op_ad] = op_ad;
4427 op_address[op_ad] = op;
4428 op_riprel[op_ad] = riprel;
4429 }
4430
4431 static void
4432 OP_REG (code, sizeflag)
4433 int code;
4434 int sizeflag;
4435 {
4436 const char *s;
4437 int add = 0;
4438 USED_REX (REX_EXTZ);
4439 if (rex & REX_EXTZ)
4440 add = 8;
4441
4442 switch (code)
4443 {
4444 case indir_dx_reg:
4445 s = "(%dx)";
4446 break;
4447 case ax_reg: case cx_reg: case dx_reg: case bx_reg:
4448 case sp_reg: case bp_reg: case si_reg: case di_reg:
4449 s = names16[code - ax_reg + add];
4450 break;
4451 case es_reg: case ss_reg: case cs_reg:
4452 case ds_reg: case fs_reg: case gs_reg:
4453 s = names_seg[code - es_reg + add];
4454 break;
4455 case al_reg: case ah_reg: case cl_reg: case ch_reg:
4456 case dl_reg: case dh_reg: case bl_reg: case bh_reg:
4457 USED_REX (0);
4458 if (rex)
4459 s = names8rex[code - al_reg + add];
4460 else
4461 s = names8[code - al_reg];
4462 break;
4463 case eAX_reg: case eCX_reg: case eDX_reg: case eBX_reg:
4464 case eSP_reg: case eBP_reg: case eSI_reg: case eDI_reg:
4465 USED_REX (REX_MODE64);
4466 if (rex & REX_MODE64)
4467 s = names64[code - eAX_reg + add];
4468 else if (sizeflag & DFLAG)
4469 s = names32[code - eAX_reg + add];
4470 else
4471 s = names16[code - eAX_reg + add];
4472 used_prefixes |= (prefixes & PREFIX_DATA);
4473 break;
4474 case rAX_reg: case rCX_reg: case rDX_reg: case rBX_reg:
4475 case rSP_reg: case rBP_reg: case rSI_reg: case rDI_reg:
4476 s = names64[code - rAX_reg + add];
4477 break;
4478 default:
4479 s = INTERNAL_DISASSEMBLER_ERROR;
4480 break;
4481 }
4482 oappend (s);
4483 }
4484
4485 static void
4486 OP_IMREG (code, sizeflag)
4487 int code;
4488 int sizeflag;
4489 {
4490 const char *s;
4491
4492 switch (code)
4493 {
4494 case indir_dx_reg:
4495 s = "(%dx)";
4496 break;
4497 case ax_reg: case cx_reg: case dx_reg: case bx_reg:
4498 case sp_reg: case bp_reg: case si_reg: case di_reg:
4499 s = names16[code - ax_reg];
4500 break;
4501 case es_reg: case ss_reg: case cs_reg:
4502 case ds_reg: case fs_reg: case gs_reg:
4503 s = names_seg[code - es_reg];
4504 break;
4505 case al_reg: case ah_reg: case cl_reg: case ch_reg:
4506 case dl_reg: case dh_reg: case bl_reg: case bh_reg:
4507 USED_REX (0);
4508 if (rex)
4509 s = names8rex[code - al_reg];
4510 else
4511 s = names8[code - al_reg];
4512 break;
4513 case eAX_reg: case eCX_reg: case eDX_reg: case eBX_reg:
4514 case eSP_reg: case eBP_reg: case eSI_reg: case eDI_reg:
4515 USED_REX (REX_MODE64);
4516 if (rex & REX_MODE64)
4517 s = names64[code - eAX_reg];
4518 else if (sizeflag & DFLAG)
4519 s = names32[code - eAX_reg];
4520 else
4521 s = names16[code - eAX_reg];
4522 used_prefixes |= (prefixes & PREFIX_DATA);
4523 break;
4524 default:
4525 s = INTERNAL_DISASSEMBLER_ERROR;
4526 break;
4527 }
4528 oappend (s);
4529 }
4530
4531 static void
4532 OP_I (bytemode, sizeflag)
4533 int bytemode;
4534 int sizeflag;
4535 {
4536 bfd_signed_vma op;
4537 bfd_signed_vma mask = -1;
4538
4539 switch (bytemode)
4540 {
4541 case b_mode:
4542 FETCH_DATA (the_info, codep + 1);
4543 op = *codep++;
4544 mask = 0xff;
4545 break;
4546 case q_mode:
4547 op = get32s ();
4548 break;
4549 case v_mode:
4550 USED_REX (REX_MODE64);
4551 if (rex & REX_MODE64)
4552 op = get32s ();
4553 else if (sizeflag & DFLAG)
4554 {
4555 op = get32 ();
4556 mask = 0xffffffff;
4557 }
4558 else
4559 {
4560 op = get16 ();
4561 mask = 0xfffff;
4562 }
4563 used_prefixes |= (prefixes & PREFIX_DATA);
4564 break;
4565 case w_mode:
4566 mask = 0xfffff;
4567 op = get16 ();
4568 break;
4569 default:
4570 oappend (INTERNAL_DISASSEMBLER_ERROR);
4571 return;
4572 }
4573
4574 op &= mask;
4575 scratchbuf[0] = '$';
4576 print_operand_value (scratchbuf + !intel_syntax, 1, op);
4577 oappend (scratchbuf);
4578 scratchbuf[0] = '\0';
4579 }
4580
4581 static void
4582 OP_I64 (bytemode, sizeflag)
4583 int bytemode;
4584 int sizeflag;
4585 {
4586 bfd_signed_vma op;
4587 bfd_signed_vma mask = -1;
4588
4589 switch (bytemode)
4590 {
4591 case b_mode:
4592 FETCH_DATA (the_info, codep + 1);
4593 op = *codep++;
4594 mask = 0xff;
4595 break;
4596 case v_mode:
4597 USED_REX (REX_MODE64);
4598 if (rex & REX_MODE64)
4599 op = get64 ();
4600 else if (sizeflag & DFLAG)
4601 {
4602 op = get32 ();
4603 mask = 0xffffffff;
4604 }
4605 else
4606 {
4607 op = get16 ();
4608 mask = 0xfffff;
4609 }
4610 used_prefixes |= (prefixes & PREFIX_DATA);
4611 break;
4612 case w_mode:
4613 mask = 0xfffff;
4614 op = get16 ();
4615 break;
4616 default:
4617 oappend (INTERNAL_DISASSEMBLER_ERROR);
4618 return;
4619 }
4620
4621 op &= mask;
4622 scratchbuf[0] = '$';
4623 print_operand_value (scratchbuf + !intel_syntax, 1, op);
4624 oappend (scratchbuf);
4625 scratchbuf[0] = '\0';
4626 }
4627
4628 static void
4629 OP_sI (bytemode, sizeflag)
4630 int bytemode;
4631 int sizeflag;
4632 {
4633 bfd_signed_vma op;
4634 bfd_signed_vma mask = -1;
4635
4636 switch (bytemode)
4637 {
4638 case b_mode:
4639 FETCH_DATA (the_info, codep + 1);
4640 op = *codep++;
4641 if ((op & 0x80) != 0)
4642 op -= 0x100;
4643 mask = 0xffffffff;
4644 break;
4645 case v_mode:
4646 USED_REX (REX_MODE64);
4647 if (rex & REX_MODE64)
4648 op = get32s ();
4649 else if (sizeflag & DFLAG)
4650 {
4651 op = get32s ();
4652 mask = 0xffffffff;
4653 }
4654 else
4655 {
4656 mask = 0xffffffff;
4657 op = get16();
4658 if ((op & 0x8000) != 0)
4659 op -= 0x10000;
4660 }
4661 used_prefixes |= (prefixes & PREFIX_DATA);
4662 break;
4663 case w_mode:
4664 op = get16 ();
4665 mask = 0xffffffff;
4666 if ((op & 0x8000) != 0)
4667 op -= 0x10000;
4668 break;
4669 default:
4670 oappend (INTERNAL_DISASSEMBLER_ERROR);
4671 return;
4672 }
4673
4674 scratchbuf[0] = '$';
4675 print_operand_value (scratchbuf + 1, 1, op);
4676 oappend (scratchbuf);
4677 }
4678
4679 static void
4680 OP_J (bytemode, sizeflag)
4681 int bytemode;
4682 int sizeflag;
4683 {
4684 bfd_vma disp;
4685 int mask = -1;
4686
4687 switch (bytemode)
4688 {
4689 case b_mode:
4690 FETCH_DATA (the_info, codep + 1);
4691 disp = *codep++;
4692 if ((disp & 0x80) != 0)
4693 disp -= 0x100;
4694 break;
4695 case v_mode:
4696 if (sizeflag & DFLAG)
4697 disp = get32s ();
4698 else
4699 {
4700 disp = get16 ();
4701 /* for some reason, a data16 prefix on a jump instruction
4702 means that the pc is masked to 16 bits after the
4703 displacement is added! */
4704 mask = 0xffff;
4705 }
4706 used_prefixes |= (prefixes & PREFIX_DATA);
4707 break;
4708 default:
4709 oappend (INTERNAL_DISASSEMBLER_ERROR);
4710 return;
4711 }
4712 disp = (start_pc + codep - start_codep + disp) & mask;
4713 set_op (disp, 0);
4714 print_operand_value (scratchbuf, 1, disp);
4715 oappend (scratchbuf);
4716 }
4717
4718 /* ARGSUSED */
4719 static void
4720 OP_SEG (dummy, sizeflag)
4721 int dummy ATTRIBUTE_UNUSED;
4722 int sizeflag ATTRIBUTE_UNUSED;
4723 {
4724 static char *sreg[] = {
4725 "%es","%cs","%ss","%ds","%fs","%gs","%?","%?",
4726 };
4727
4728 oappend (sreg[reg]);
4729 }
4730
4731 /* ARGSUSED */
4732 static void
4733 OP_DIR (dummy, sizeflag)
4734 int dummy ATTRIBUTE_UNUSED;
4735 int sizeflag;
4736 {
4737 int seg, offset;
4738
4739 if (sizeflag & DFLAG)
4740 {
4741 offset = get32 ();
4742 seg = get16 ();
4743 }
4744 else
4745 {
4746 offset = get16 ();
4747 seg = get16 ();
4748 }
4749 used_prefixes |= (prefixes & PREFIX_DATA);
4750 sprintf (scratchbuf, "$0x%x,$0x%x", seg, offset);
4751 oappend (scratchbuf);
4752 }
4753
4754 /* ARGSUSED */
4755 static void
4756 OP_OFF (ignored, sizeflag)
4757 int ignored ATTRIBUTE_UNUSED;
4758 int sizeflag;
4759 {
4760 bfd_vma off;
4761
4762 append_seg ();
4763
4764 if (sizeflag & AFLAG)
4765 off = get32 ();
4766 else
4767 off = get16 ();
4768
4769 if (intel_syntax)
4770 {
4771 if (!(prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS
4772 | PREFIX_ES | PREFIX_FS | PREFIX_GS)))
4773 {
4774 oappend (names_seg[3]);
4775 oappend (":");
4776 }
4777 }
4778 print_operand_value (scratchbuf, 1, off);
4779 oappend (scratchbuf);
4780 }
4781 /* ARGSUSED */
4782 static void
4783 OP_OFF64 (ignored, sizeflag)
4784 int ignored ATTRIBUTE_UNUSED;
4785 int sizeflag ATTRIBUTE_UNUSED;
4786 {
4787 bfd_vma off;
4788
4789 append_seg ();
4790
4791 off = get64();
4792
4793 if (intel_syntax)
4794 {
4795 if (!(prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS
4796 | PREFIX_ES | PREFIX_FS | PREFIX_GS)))
4797 {
4798 oappend (names_seg[3]);
4799 oappend (":");
4800 }
4801 }
4802 print_operand_value (scratchbuf, 1, off);
4803 oappend (scratchbuf);
4804 }
4805
4806 static void
4807 ptr_reg (code, sizeflag)
4808 int code;
4809 int sizeflag;
4810 {
4811 const char *s;
4812 oappend ("(");
4813 USED_REX (REX_MODE64);
4814 if (rex & REX_MODE64)
4815 s = names64[code - eAX_reg];
4816 else if (sizeflag & AFLAG)
4817 s = names32[code - eAX_reg];
4818 else
4819 s = names16[code - eAX_reg];
4820 oappend (s);
4821 oappend (")");
4822 }
4823
4824 static void
4825 OP_ESreg (code, sizeflag)
4826 int code;
4827 int sizeflag;
4828 {
4829 oappend ("%es:");
4830 ptr_reg (code, sizeflag);
4831 }
4832
4833 static void
4834 OP_DSreg (code, sizeflag)
4835 int code;
4836 int sizeflag;
4837 {
4838 if ((prefixes
4839 & (PREFIX_CS
4840 | PREFIX_DS
4841 | PREFIX_SS
4842 | PREFIX_ES
4843 | PREFIX_FS
4844 | PREFIX_GS)) == 0)
4845 prefixes |= PREFIX_DS;
4846 append_seg();
4847 ptr_reg (code, sizeflag);
4848 }
4849
4850 /* ARGSUSED */
4851 static void
4852 OP_C (dummy, sizeflag)
4853 int dummy ATTRIBUTE_UNUSED;
4854 int sizeflag ATTRIBUTE_UNUSED;
4855 {
4856 int add = 0;
4857 USED_REX (REX_EXTX);
4858 if (rex & REX_EXTX)
4859 add = 8;
4860 sprintf (scratchbuf, "%%cr%d", reg+add);
4861 oappend (scratchbuf);
4862 }
4863
4864 /* ARGSUSED */
4865 static void
4866 OP_D (dummy, sizeflag)
4867 int dummy ATTRIBUTE_UNUSED;
4868 int sizeflag ATTRIBUTE_UNUSED;
4869 {
4870 int add = 0;
4871 USED_REX (REX_EXTX);
4872 if (rex & REX_EXTX)
4873 add = 8;
4874 sprintf (scratchbuf, "%%db%d", reg+add);
4875 oappend (scratchbuf);
4876 }
4877
4878 /* ARGSUSED */
4879 static void
4880 OP_T (dummy, sizeflag)
4881 int dummy ATTRIBUTE_UNUSED;
4882 int sizeflag ATTRIBUTE_UNUSED;
4883 {
4884 sprintf (scratchbuf, "%%tr%d", reg);
4885 oappend (scratchbuf);
4886 }
4887
4888 static void
4889 OP_Rd (bytemode, sizeflag)
4890 int bytemode;
4891 int sizeflag;
4892 {
4893 if (mod == 3)
4894 OP_E (bytemode, sizeflag);
4895 else
4896 BadOp();
4897 }
4898
4899 static void
4900 OP_MMX (ignore, sizeflag)
4901 int ignore ATTRIBUTE_UNUSED;
4902 int sizeflag ATTRIBUTE_UNUSED;
4903 {
4904 int add = 0;
4905 USED_REX (REX_EXTX);
4906 if (rex & REX_EXTX)
4907 add = 8;
4908 used_prefixes |= (prefixes & PREFIX_DATA);
4909 if (prefixes & PREFIX_DATA)
4910 sprintf (scratchbuf, "%%xmm%d", reg + add);
4911 else
4912 sprintf (scratchbuf, "%%mm%d", reg + add);
4913 oappend (scratchbuf);
4914 }
4915
4916 static void
4917 OP_XMM (bytemode, sizeflag)
4918 int bytemode ATTRIBUTE_UNUSED;
4919 int sizeflag ATTRIBUTE_UNUSED;
4920 {
4921 int add = 0;
4922 USED_REX (REX_EXTX);
4923 if (rex & REX_EXTX)
4924 add = 8;
4925 sprintf (scratchbuf, "%%xmm%d", reg + add);
4926 oappend (scratchbuf);
4927 }
4928
4929 static void
4930 OP_EM (bytemode, sizeflag)
4931 int bytemode;
4932 int sizeflag;
4933 {
4934 int add = 0;
4935 if (mod != 3)
4936 {
4937 OP_E (bytemode, sizeflag);
4938 return;
4939 }
4940 USED_REX (REX_EXTZ);
4941 if (rex & REX_EXTZ)
4942 add = 8;
4943
4944 /* skip mod/rm byte */
4945 MODRM_CHECK;
4946 codep++;
4947 used_prefixes |= (prefixes & PREFIX_DATA);
4948 if (prefixes & PREFIX_DATA)
4949 sprintf (scratchbuf, "%%xmm%d", rm + add);
4950 else
4951 sprintf (scratchbuf, "%%mm%d", rm + add);
4952 oappend (scratchbuf);
4953 }
4954
4955 static void
4956 OP_EX (bytemode, sizeflag)
4957 int bytemode;
4958 int sizeflag;
4959 {
4960 int add = 0;
4961 if (mod != 3)
4962 {
4963 OP_E (bytemode, sizeflag);
4964 return;
4965 }
4966 USED_REX (REX_EXTZ);
4967 if (rex & REX_EXTZ)
4968 add = 8;
4969
4970 /* skip mod/rm byte */
4971 MODRM_CHECK;
4972 codep++;
4973 sprintf (scratchbuf, "%%xmm%d", rm + add);
4974 oappend (scratchbuf);
4975 }
4976
4977 static void
4978 OP_MS (bytemode, sizeflag)
4979 int bytemode;
4980 int sizeflag;
4981 {
4982 if (mod == 3)
4983 OP_EM (bytemode, sizeflag);
4984 else
4985 BadOp();
4986 }
4987
4988 static void
4989 OP_XS (bytemode, sizeflag)
4990 int bytemode;
4991 int sizeflag;
4992 {
4993 if (mod == 3)
4994 OP_EX (bytemode, sizeflag);
4995 else
4996 BadOp();
4997 }
4998
4999 static const char *Suffix3DNow[] = {
5000 /* 00 */ NULL, NULL, NULL, NULL,
5001 /* 04 */ NULL, NULL, NULL, NULL,
5002 /* 08 */ NULL, NULL, NULL, NULL,
5003 /* 0C */ "pi2fw", "pi2fd", NULL, NULL,
5004 /* 10 */ NULL, NULL, NULL, NULL,
5005 /* 14 */ NULL, NULL, NULL, NULL,
5006 /* 18 */ NULL, NULL, NULL, NULL,
5007 /* 1C */ "pf2iw", "pf2id", NULL, NULL,
5008 /* 20 */ NULL, NULL, NULL, NULL,
5009 /* 24 */ NULL, NULL, NULL, NULL,
5010 /* 28 */ NULL, NULL, NULL, NULL,
5011 /* 2C */ NULL, NULL, NULL, NULL,
5012 /* 30 */ NULL, NULL, NULL, NULL,
5013 /* 34 */ NULL, NULL, NULL, NULL,
5014 /* 38 */ NULL, NULL, NULL, NULL,
5015 /* 3C */ NULL, NULL, NULL, NULL,
5016 /* 40 */ NULL, NULL, NULL, NULL,
5017 /* 44 */ NULL, NULL, NULL, NULL,
5018 /* 48 */ NULL, NULL, NULL, NULL,
5019 /* 4C */ NULL, NULL, NULL, NULL,
5020 /* 50 */ NULL, NULL, NULL, NULL,
5021 /* 54 */ NULL, NULL, NULL, NULL,
5022 /* 58 */ NULL, NULL, NULL, NULL,
5023 /* 5C */ NULL, NULL, NULL, NULL,
5024 /* 60 */ NULL, NULL, NULL, NULL,
5025 /* 64 */ NULL, NULL, NULL, NULL,
5026 /* 68 */ NULL, NULL, NULL, NULL,
5027 /* 6C */ NULL, NULL, NULL, NULL,
5028 /* 70 */ NULL, NULL, NULL, NULL,
5029 /* 74 */ NULL, NULL, NULL, NULL,
5030 /* 78 */ NULL, NULL, NULL, NULL,
5031 /* 7C */ NULL, NULL, NULL, NULL,
5032 /* 80 */ NULL, NULL, NULL, NULL,
5033 /* 84 */ NULL, NULL, NULL, NULL,
5034 /* 88 */ NULL, NULL, "pfnacc", NULL,
5035 /* 8C */ NULL, NULL, "pfpnacc", NULL,
5036 /* 90 */ "pfcmpge", NULL, NULL, NULL,
5037 /* 94 */ "pfmin", NULL, "pfrcp", "pfrsqrt",
5038 /* 98 */ NULL, NULL, "pfsub", NULL,
5039 /* 9C */ NULL, NULL, "pfadd", NULL,
5040 /* A0 */ "pfcmpgt", NULL, NULL, NULL,
5041 /* A4 */ "pfmax", NULL, "pfrcpit1", "pfrsqit1",
5042 /* A8 */ NULL, NULL, "pfsubr", NULL,
5043 /* AC */ NULL, NULL, "pfacc", NULL,
5044 /* B0 */ "pfcmpeq", NULL, NULL, NULL,
5045 /* B4 */ "pfmul", NULL, "pfrcpit2", "pfmulhrw",
5046 /* B8 */ NULL, NULL, NULL, "pswapd",
5047 /* BC */ NULL, NULL, NULL, "pavgusb",
5048 /* C0 */ NULL, NULL, NULL, NULL,
5049 /* C4 */ NULL, NULL, NULL, NULL,
5050 /* C8 */ NULL, NULL, NULL, NULL,
5051 /* CC */ NULL, NULL, NULL, NULL,
5052 /* D0 */ NULL, NULL, NULL, NULL,
5053 /* D4 */ NULL, NULL, NULL, NULL,
5054 /* D8 */ NULL, NULL, NULL, NULL,
5055 /* DC */ NULL, NULL, NULL, NULL,
5056 /* E0 */ NULL, NULL, NULL, NULL,
5057 /* E4 */ NULL, NULL, NULL, NULL,
5058 /* E8 */ NULL, NULL, NULL, NULL,
5059 /* EC */ NULL, NULL, NULL, NULL,
5060 /* F0 */ NULL, NULL, NULL, NULL,
5061 /* F4 */ NULL, NULL, NULL, NULL,
5062 /* F8 */ NULL, NULL, NULL, NULL,
5063 /* FC */ NULL, NULL, NULL, NULL,
5064 };
5065
5066 static void
5067 OP_3DNowSuffix (bytemode, sizeflag)
5068 int bytemode ATTRIBUTE_UNUSED;
5069 int sizeflag ATTRIBUTE_UNUSED;
5070 {
5071 const char *mnemonic;
5072
5073 FETCH_DATA (the_info, codep + 1);
5074 /* AMD 3DNow! instructions are specified by an opcode suffix in the
5075 place where an 8-bit immediate would normally go. ie. the last
5076 byte of the instruction. */
5077 obufp = obuf + strlen(obuf);
5078 mnemonic = Suffix3DNow[*codep++ & 0xff];
5079 if (mnemonic)
5080 oappend (mnemonic);
5081 else
5082 {
5083 /* Since a variable sized modrm/sib chunk is between the start
5084 of the opcode (0x0f0f) and the opcode suffix, we need to do
5085 all the modrm processing first, and don't know until now that
5086 we have a bad opcode. This necessitates some cleaning up. */
5087 op1out[0] = '\0';
5088 op2out[0] = '\0';
5089 BadOp();
5090 }
5091 }
5092
5093
5094 static const char *simd_cmp_op [] = {
5095 "eq",
5096 "lt",
5097 "le",
5098 "unord",
5099 "neq",
5100 "nlt",
5101 "nle",
5102 "ord"
5103 };
5104
5105 static void
5106 OP_SIMD_Suffix (bytemode, sizeflag)
5107 int bytemode ATTRIBUTE_UNUSED;
5108 int sizeflag ATTRIBUTE_UNUSED;
5109 {
5110 unsigned int cmp_type;
5111
5112 FETCH_DATA (the_info, codep + 1);
5113 obufp = obuf + strlen(obuf);
5114 cmp_type = *codep++ & 0xff;
5115 if (cmp_type < 8)
5116 {
5117 char suffix1 = 'p', suffix2 = 's';
5118 used_prefixes |= (prefixes & PREFIX_REPZ);
5119 if (prefixes & PREFIX_REPZ)
5120 suffix1 = 's';
5121 else
5122 {
5123 used_prefixes |= (prefixes & PREFIX_DATA);
5124 if (prefixes & PREFIX_DATA)
5125 suffix2 = 'd';
5126 else
5127 {
5128 used_prefixes |= (prefixes & PREFIX_REPNZ);
5129 if (prefixes & PREFIX_REPNZ)
5130 suffix1 = 's', suffix2 = 'd';
5131 }
5132 }
5133 sprintf (scratchbuf, "cmp%s%c%c",
5134 simd_cmp_op[cmp_type], suffix1, suffix2);
5135 used_prefixes |= (prefixes & PREFIX_REPZ);
5136 oappend (scratchbuf);
5137 }
5138 else
5139 {
5140 /* We have a bad extension byte. Clean up. */
5141 op1out[0] = '\0';
5142 op2out[0] = '\0';
5143 BadOp();
5144 }
5145 }
5146
5147 static void
5148 SIMD_Fixup (extrachar, sizeflag)
5149 int extrachar;
5150 int sizeflag ATTRIBUTE_UNUSED;
5151 {
5152 /* Change movlps/movhps to movhlps/movlhps for 2 register operand
5153 forms of these instructions. */
5154 if (mod == 3)
5155 {
5156 char *p = obuf + strlen(obuf);
5157 *(p+1) = '\0';
5158 *p = *(p-1);
5159 *(p-1) = *(p-2);
5160 *(p-2) = *(p-3);
5161 *(p-3) = extrachar;
5162 }
5163 }
5164
5165 static void BadOp (void)
5166 {
5167 codep = insn_codep + 1; /* throw away prefixes and 1st. opcode byte */
5168 oappend ("(bad)");
5169 }