disas/i386.c

   1 /* opcodes/i386-dis.c r1.126 */
   2 /* Print i386 instructions for GDB, the GNU debugger.
   3    Copyright 1988, 1989, 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
   4    2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
   5
   6    This file is part of GDB.
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, see <http://www.gnu.org/licenses/>. */
  20
  21 /* 80386 instruction printer by Pace Willisson (pace@prep.ai.mit.edu)
  22    July 1988
  23     modified by John Hassey (hassey@dg-rtp.dg.com)
  24     x86-64 support added by Jan Hubicka (jh@suse.cz)
  25     VIA PadLock support by Michal Ludvig (mludvig@suse.cz).  */
  26
  27 /* The main tables describing the instructions is essentially a copy
  28    of the "Opcode Map" chapter (Appendix A) of the Intel 80386
  29    Programmers Manual.  Usually, there is a capital letter, followed
  30    by a small letter.  The capital letter tell the addressing mode,
  31    and the small letter tells about the operand size.  Refer to
  32    the Intel manual for details.  */
  33
  34 #include "qemu/osdep.h"
  35 #include "disas/bfd.h"
  36 #include "qemu/cutils.h"
  37
  38 /* include/opcode/i386.h r1.78 */
  39
  40 /* opcode/i386.h -- Intel 80386 opcode macros
  41    Copyright 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
  42    2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
  43    Free Software Foundation, Inc.
  44
  45    This file is part of GAS, the GNU Assembler, and GDB, the GNU Debugger.
  46
  47    This program is free software; you can redistribute it and/or modify
  48    it under the terms of the GNU General Public License as published by
  49    the Free Software Foundation; either version 2 of the License, or
  50    (at your option) any later version.
  51
  52    This program is distributed in the hope that it will be useful,
  53    but WITHOUT ANY WARRANTY; without even the implied warranty of
  54    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  55    GNU General Public License for more details.
  56
  57    You should have received a copy of the GNU General Public License
  58    along with this program; if not, see <http://www.gnu.org/licenses/>.  */
  59
  60 /* The SystemV/386 SVR3.2 assembler, and probably all AT&T derived
  61    ix86 Unix assemblers, generate floating point instructions with
  62    reversed source and destination registers in certain cases.
  63    Unfortunately, gcc and possibly many other programs use this
  64    reversed syntax, so we're stuck with it.
  65
  66    eg. `fsub %st(3),%st' results in st = st - st(3) as expected, but
  67    `fsub %st,%st(3)' results in st(3) = st - st(3), rather than
  68    the expected st(3) = st(3) - st
  69
  70    This happens with all the non-commutative arithmetic floating point
  71    operations with two register operands, where the source register is
  72    %st, and destination register is %st(i).
  73
  74    The affected opcode map is dceX, dcfX, deeX, defX.  */
  75
  76 #ifndef SYSV386_COMPAT
  77 /* Set non-zero for broken, compatible instructions.  Set to zero for
  78    non-broken opcodes at your peril.  gcc generates SystemV/386
  79    compatible instructions.  */
  80 #define SYSV386_COMPAT 1
  81 #endif
  82 #ifndef OLDGCC_COMPAT
  83 /* Set non-zero to cater for old (<= 2.8.1) versions of gcc that could
  84    generate nonsense fsubp, fsubrp, fdivp and fdivrp with operands
  85    reversed.  */
  86 #define OLDGCC_COMPAT SYSV386_COMPAT
  87 #endif
  88
  89 #define MOV_AX_DISP32 0xa0
  90 #define POP_SEG_SHORT 0x07
  91 #define JUMP_PC_RELATIVE 0xeb
  92 #define INT_OPCODE  0xcd
  93 #define INT3_OPCODE 0xcc
  94 /* The opcode for the fwait instruction, which disassembler treats as a
  95    prefix when it can.  */
  96 #define FWAIT_OPCODE 0x9b
  97 #define ADDR_PREFIX_OPCODE 0x67
  98 #define DATA_PREFIX_OPCODE 0x66
  99 #define LOCK_PREFIX_OPCODE 0xf0
 100 #define CS_PREFIX_OPCODE 0x2e
 101 #define DS_PREFIX_OPCODE 0x3e
 102 #define ES_PREFIX_OPCODE 0x26
 103 #define FS_PREFIX_OPCODE 0x64
 104 #define GS_PREFIX_OPCODE 0x65
 105 #define SS_PREFIX_OPCODE 0x36
 106 #define REPNE_PREFIX_OPCODE 0xf2
 107 #define REPE_PREFIX_OPCODE  0xf3
 108
 109 #define TWO_BYTE_OPCODE_ESCAPE 0x0f
 110 #define NOP_OPCODE (char) 0x90
 111
 112 /* register numbers */
 113 #define EBP_REG_NUM 5
 114 #define ESP_REG_NUM 4
 115
 116 /* modrm_byte.regmem for twobyte escape */
 117 #define ESCAPE_TO_TWO_BYTE_ADDRESSING ESP_REG_NUM
 118 /* index_base_byte.index for no index register addressing */
 119 #define NO_INDEX_REGISTER ESP_REG_NUM
 120 /* index_base_byte.base for no base register addressing */
 121 #define NO_BASE_REGISTER EBP_REG_NUM
 122 #define NO_BASE_REGISTER_16 6
 123
 124 /* modrm.mode = REGMEM_FIELD_HAS_REG when a register is in there */
 125 #define REGMEM_FIELD_HAS_REG 0x3/* always = 0x3 */
 126 #define REGMEM_FIELD_HAS_MEM (~REGMEM_FIELD_HAS_REG)
 127
 128 /* x86-64 extension prefix.  */
 129 #define REX_OPCODE      0x40
 130
 131 /* Indicates 64 bit operand size.  */
 132 #define REX_W   8
 133 /* High extension to reg field of modrm byte.  */
 134 #define REX_R   4
 135 /* High extension to SIB index field.  */
 136 #define REX_X   2
 137 /* High extension to base field of modrm or SIB, or reg field of opcode.  */
 138 #define REX_B   1
 139
 140 /* max operands per insn */
 141 #define MAX_OPERANDS 4
 142
 143 /* max immediates per insn (lcall, ljmp, insertq, extrq) */
 144 #define MAX_IMMEDIATE_OPERANDS 2
 145
 146 /* max memory refs per insn (string ops) */
 147 #define MAX_MEMORY_OPERANDS 2
 148
 149 /* max size of insn mnemonics.  */
 150 #define MAX_MNEM_SIZE 16
 151
 152 /* max size of register name in insn mnemonics.  */
 153 #define MAX_REG_NAME_SIZE 8
 154
 155 /* opcodes/i386-dis.c r1.126 */
 156 #include "qemu-common.h"
 157
 158 static int fetch_data2(struct disassemble_info *, bfd_byte *);
 159 static int fetch_data(struct disassemble_info *, bfd_byte *);
 160 static void ckprefix (void);
 161 static const char *prefix_name (int, int);
 162 static int print_insn (bfd_vma, disassemble_info *);
 163 static void dofloat (int);
 164 static void OP_ST (int, int);
 165 static void OP_STi (int, int);
 166 static int putop (const char *, int);
 167 static void oappend (const char *);
 168 static void append_seg (void);
 169 static void OP_indirE (int, int);
 170 static void print_operand_value (char *buf, size_t bufsize, int hex, bfd_vma disp);
 171 static void print_displacement (char *, bfd_vma);
 172 static void OP_E (int, int);
 173 static void OP_G (int, int);
 174 static void OP_vvvv (int, int);
 175 static bfd_vma get64 (void);
 176 static bfd_signed_vma get32 (void);
 177 static bfd_signed_vma get32s (void);
 178 static int get16 (void);
 179 static void set_op (bfd_vma, int);
 180 static void OP_REG (int, int);
 181 static void OP_IMREG (int, int);
 182 static void OP_I (int, int);
 183 static void OP_I64 (int, int);
 184 static void OP_sI (int, int);
 185 static void OP_J (int, int);
 186 static void OP_SEG (int, int);
 187 static void OP_DIR (int, int);
 188 static void OP_OFF (int, int);
 189 static void OP_OFF64 (int, int);
 190 static void ptr_reg (int, int);
 191 static void OP_ESreg (int, int);
 192 static void OP_DSreg (int, int);
 193 static void OP_C (int, int);
 194 static void OP_D (int, int);
 195 static void OP_T (int, int);
 196 static void OP_R (int, int);
 197 static void OP_MMX (int, int);
 198 static void OP_XMM (int, int);
 199 static void OP_EM (int, int);
 200 static void OP_EX (int, int);
 201 static void OP_EMC (int,int);
 202 static void OP_MXC (int,int);
 203 static void OP_MS (int, int);
 204 static void OP_XS (int, int);
 205 static void OP_M (int, int);
 206 static void OP_VMX (int, int);
 207 static void OP_0fae (int, int);
 208 static void OP_0f07 (int, int);
 209 static void NOP_Fixup1 (int, int);
 210 static void NOP_Fixup2 (int, int);
 211 static void OP_3DNowSuffix (int, int);
 212 static void OP_SIMD_Suffix (int, int);
 213 static void SIMD_Fixup (int, int);
 214 static void PNI_Fixup (int, int);
 215 static void SVME_Fixup (int, int);
 216 static void INVLPG_Fixup (int, int);
 217 static void BadOp (void);
 218 static void VMX_Fixup (int, int);
 219 static void REP_Fixup (int, int);
 220 static void CMPXCHG8B_Fixup (int, int);
 221 static void XMM_Fixup (int, int);
 222 static void CRC32_Fixup (int, int);
 223
 224 struct dis_private {
 225   /* Points to first byte not fetched.  */
 226   bfd_byte *max_fetched;
 227   bfd_byte the_buffer[MAX_MNEM_SIZE];
 228   bfd_vma insn_start;
 229   int orig_sizeflag;
 230   sigjmp_buf bailout;
 231 };
 232
 233 enum address_mode
 234 {
 235   mode_16bit,
 236   mode_32bit,
 237   mode_64bit
 238 };
 239
 240 static enum address_mode address_mode;
 241
 242 /* Flags for the prefixes for the current instruction.  See below.  */
 243 static int prefixes;
 244
 245 /* REX prefix the current instruction.  See below.  */
 246 static int rex;
 247 /* Bits of REX we've already used.  */
 248 static int rex_used;
 249 /* Mark parts used in the REX prefix.  When we are testing for
 250    empty prefix (for 8bit register REX extension), just mask it
 251    out.  Otherwise test for REX bit is excuse for existence of REX
 252    only in case value is nonzero.  */
 253 #define USED_REX(value)                                 \
 254   {                                                     \
 255     if (value)                                          \
 256       {                                                 \
 257         if ((rex & value))                              \
 258           rex_used |= (value) | REX_OPCODE;             \
 259       }                                                 \
 260     else                                                \
 261       rex_used |= REX_OPCODE;                           \
 262   }
 263
 264 /* Flags for prefixes which we somehow handled when printing the
 265    current instruction.  */
 266 static int used_prefixes;
 267
 268 /* The VEX.vvvv register, unencoded.  */
 269 static int vex_reg;
 270
 271 /* Flags stored in PREFIXES.  */
 272 #define PREFIX_REPZ 1
 273 #define PREFIX_REPNZ 2
 274 #define PREFIX_LOCK 4
 275 #define PREFIX_CS 8
 276 #define PREFIX_SS 0x10
 277 #define PREFIX_DS 0x20
 278 #define PREFIX_ES 0x40
 279 #define PREFIX_FS 0x80
 280 #define PREFIX_GS 0x100
 281 #define PREFIX_DATA 0x200
 282 #define PREFIX_ADDR 0x400
 283 #define PREFIX_FWAIT 0x800
 284
 285 #define PREFIX_VEX_0F    0x1000
 286 #define PREFIX_VEX_0F38  0x2000
 287 #define PREFIX_VEX_0F3A  0x4000
 288
 289 /* Make sure that bytes from INFO->PRIVATE_DATA->BUFFER (inclusive)
 290    to ADDR (exclusive) are valid.  Returns 1 for success, longjmps
 291    on error.  */
 292 static int
 293 fetch_data2(struct disassemble_info *info, bfd_byte *addr)
 294 {
 295   int status;
 296   struct dis_private *priv = (struct dis_private *) info->private_data;
 297   bfd_vma start = priv->insn_start + (priv->max_fetched - priv->the_buffer);
 298
 299   if (addr <= priv->the_buffer + MAX_MNEM_SIZE)
 300     status = (*info->read_memory_func) (start,
 301                                         priv->max_fetched,
 302                                         addr - priv->max_fetched,
 303                                         info);
 304   else
 305     status = -1;
 306   if (status != 0)
 307     {
 308       /* If we did manage to read at least one byte, then
 309          print_insn_i386 will do something sensible.  Otherwise, print
 310          an error.  We do that here because this is where we know
 311          STATUS.  */
 312       if (priv->max_fetched == priv->the_buffer)
 313         (*info->memory_error_func) (status, start, info);
 314       siglongjmp(priv->bailout, 1);
 315     }
 316   else
 317     priv->max_fetched = addr;
 318   return 1;
 319 }
 320
 321 static int
 322 fetch_data(struct disassemble_info *info, bfd_byte *addr)
 323 {
 324     if (addr <= ((struct dis_private *) (info->private_data))->max_fetched) {
 325         return 1;
 326     } else {
 327         return fetch_data2(info, addr);
 328     }
 329 }
 330
 331
 332 #define XX { NULL, 0 }
 333
 334 #define Bv { OP_vvvv, v_mode }
 335 #define Eb { OP_E, b_mode }
 336 #define Ev { OP_E, v_mode }
 337 #define Ed { OP_E, d_mode }
 338 #define Edq { OP_E, dq_mode }
 339 #define Edqw { OP_E, dqw_mode }
 340 #define Edqb { OP_E, dqb_mode }
 341 #define Edqd { OP_E, dqd_mode }
 342 #define indirEv { OP_indirE, stack_v_mode }
 343 #define indirEp { OP_indirE, f_mode }
 344 #define stackEv { OP_E, stack_v_mode }
 345 #define Em { OP_E, m_mode }
 346 #define Ew { OP_E, w_mode }
 347 #define M { OP_M, 0 }           /* lea, lgdt, etc. */
 348 #define Ma { OP_M, v_mode }
 349 #define Mp { OP_M, f_mode }             /* 32 or 48 bit memory operand for LDS, LES etc */
 350 #define Mq { OP_M, q_mode }
 351 #define Gb { OP_G, b_mode }
 352 #define Gv { OP_G, v_mode }
 353 #define Gd { OP_G, d_mode }
 354 #define Gdq { OP_G, dq_mode }
 355 #define Gm { OP_G, m_mode }
 356 #define Gw { OP_G, w_mode }
 357 #define Rd { OP_R, d_mode }
 358 #define Rm { OP_R, m_mode }
 359 #define Ib { OP_I, b_mode }
 360 #define sIb { OP_sI, b_mode }   /* sign extended byte */
 361 #define Iv { OP_I, v_mode }
 362 #define Iq { OP_I, q_mode }
 363 #define Iv64 { OP_I64, v_mode }
 364 #define Iw { OP_I, w_mode }
 365 #define I1 { OP_I, const_1_mode }
 366 #define Jb { OP_J, b_mode }
 367 #define Jv { OP_J, v_mode }
 368 #define Cm { OP_C, m_mode }
 369 #define Dm { OP_D, m_mode }
 370 #define Td { OP_T, d_mode }
 371
 372 #define RMeAX { OP_REG, eAX_reg }
 373 #define RMeBX { OP_REG, eBX_reg }
 374 #define RMeCX { OP_REG, eCX_reg }
 375 #define RMeDX { OP_REG, eDX_reg }
 376 #define RMeSP { OP_REG, eSP_reg }
 377 #define RMeBP { OP_REG, eBP_reg }
 378 #define RMeSI { OP_REG, eSI_reg }
 379 #define RMeDI { OP_REG, eDI_reg }
 380 #define RMrAX { OP_REG, rAX_reg }
 381 #define RMrBX { OP_REG, rBX_reg }
 382 #define RMrCX { OP_REG, rCX_reg }
 383 #define RMrDX { OP_REG, rDX_reg }
 384 #define RMrSP { OP_REG, rSP_reg }
 385 #define RMrBP { OP_REG, rBP_reg }
 386 #define RMrSI { OP_REG, rSI_reg }
 387 #define RMrDI { OP_REG, rDI_reg }
 388 #define RMAL { OP_REG, al_reg }
 389 #define RMAL { OP_REG, al_reg }
 390 #define RMCL { OP_REG, cl_reg }
 391 #define RMDL { OP_REG, dl_reg }
 392 #define RMBL { OP_REG, bl_reg }
 393 #define RMAH { OP_REG, ah_reg }
 394 #define RMCH { OP_REG, ch_reg }
 395 #define RMDH { OP_REG, dh_reg }
 396 #define RMBH { OP_REG, bh_reg }
 397 #define RMAX { OP_REG, ax_reg }
 398 #define RMDX { OP_REG, dx_reg }
 399
 400 #define eAX { OP_IMREG, eAX_reg }
 401 #define eBX { OP_IMREG, eBX_reg }
 402 #define eCX { OP_IMREG, eCX_reg }
 403 #define eDX { OP_IMREG, eDX_reg }
 404 #define eSP { OP_IMREG, eSP_reg }
 405 #define eBP { OP_IMREG, eBP_reg }
 406 #define eSI { OP_IMREG, eSI_reg }
 407 #define eDI { OP_IMREG, eDI_reg }
 408 #define AL { OP_IMREG, al_reg }
 409 #define CL { OP_IMREG, cl_reg }
 410 #define DL { OP_IMREG, dl_reg }
 411 #define BL { OP_IMREG, bl_reg }
 412 #define AH { OP_IMREG, ah_reg }
 413 #define CH { OP_IMREG, ch_reg }
 414 #define DH { OP_IMREG, dh_reg }
 415 #define BH { OP_IMREG, bh_reg }
 416 #define AX { OP_IMREG, ax_reg }
 417 #define DX { OP_IMREG, dx_reg }
 418 #define zAX { OP_IMREG, z_mode_ax_reg }
 419 #define indirDX { OP_IMREG, indir_dx_reg }
 420
 421 #define Sw { OP_SEG, w_mode }
 422 #define Sv { OP_SEG, v_mode }
 423 #define Ap { OP_DIR, 0 }
 424 #define Ob { OP_OFF64, b_mode }
 425 #define Ov { OP_OFF64, v_mode }
 426 #define Xb { OP_DSreg, eSI_reg }
 427 #define Xv { OP_DSreg, eSI_reg }
 428 #define Xz { OP_DSreg, eSI_reg }
 429 #define Yb { OP_ESreg, eDI_reg }
 430 #define Yv { OP_ESreg, eDI_reg }
 431 #define DSBX { OP_DSreg, eBX_reg }
 432
 433 #define es { OP_REG, es_reg }
 434 #define ss { OP_REG, ss_reg }
 435 #define cs { OP_REG, cs_reg }
 436 #define ds { OP_REG, ds_reg }
 437 #define fs { OP_REG, fs_reg }
 438 #define gs { OP_REG, gs_reg }
 439
 440 #define MX { OP_MMX, 0 }
 441 #define XM { OP_XMM, 0 }
 442 #define EM { OP_EM, v_mode }
 443 #define EMd { OP_EM, d_mode }
 444 #define EMq { OP_EM, q_mode }
 445 #define EXd { OP_EX, d_mode }
 446 #define EXq { OP_EX, q_mode }
 447 #define EXx { OP_EX, x_mode }
 448 #define MS { OP_MS, v_mode }
 449 #define XS { OP_XS, v_mode }
 450 #define EMC { OP_EMC, v_mode }
 451 #define MXC { OP_MXC, 0 }
 452 #define VM { OP_VMX, q_mode }
 453 #define OPSUF { OP_3DNowSuffix, 0 }
 454 #define OPSIMD { OP_SIMD_Suffix, 0 }
 455 #define XMM0 { XMM_Fixup, 0 }
 456
 457 /* Used handle "rep" prefix for string instructions.  */
 458 #define Xbr { REP_Fixup, eSI_reg }
 459 #define Xvr { REP_Fixup, eSI_reg }
 460 #define Ybr { REP_Fixup, eDI_reg }
 461 #define Yvr { REP_Fixup, eDI_reg }
 462 #define Yzr { REP_Fixup, eDI_reg }
 463 #define indirDXr { REP_Fixup, indir_dx_reg }
 464 #define ALr { REP_Fixup, al_reg }
 465 #define eAXr { REP_Fixup, eAX_reg }
 466
 467 #define cond_jump_flag { NULL, cond_jump_mode }
 468 #define loop_jcxz_flag { NULL, loop_jcxz_mode }
 469
 470 /* bits in sizeflag */
 471 #define SUFFIX_ALWAYS 4
 472 #define AFLAG 2
 473 #define DFLAG 1
 474
 475 #define b_mode 1  /* byte operand */
 476 #define v_mode 2  /* operand size depends on prefixes */
 477 #define w_mode 3  /* word operand */
 478 #define d_mode 4  /* double word operand  */
 479 #define q_mode 5  /* quad word operand */
 480 #define t_mode 6  /* ten-byte operand */
 481 #define x_mode 7  /* 16-byte XMM operand */
 482 #define m_mode 8  /* d_mode in 32bit, q_mode in 64bit mode.  */
 483 #define cond_jump_mode 9
 484 #define loop_jcxz_mode 10
 485 #define dq_mode 11 /* operand size depends on REX prefixes.  */
 486 #define dqw_mode 12 /* registers like dq_mode, memory like w_mode.  */
 487 #define f_mode 13 /* 4- or 6-byte pointer operand */
 488 #define const_1_mode 14
 489 #define stack_v_mode 15 /* v_mode for stack-related opcodes.  */
 490 #define z_mode 16 /* non-quad operand size depends on prefixes */
 491 #define o_mode 17  /* 16-byte operand */
 492 #define dqb_mode 18 /* registers like dq_mode, memory like b_mode.  */
 493 #define dqd_mode 19 /* registers like dq_mode, memory like d_mode.  */
 494
 495 #define es_reg 100
 496 #define cs_reg 101
 497 #define ss_reg 102
 498 #define ds_reg 103
 499 #define fs_reg 104
 500 #define gs_reg 105
 501
 502 #define eAX_reg 108
 503 #define eCX_reg 109
 504 #define eDX_reg 110
 505 #define eBX_reg 111
 506 #define eSP_reg 112
 507 #define eBP_reg 113
 508 #define eSI_reg 114
 509 #define eDI_reg 115
 510
 511 #define al_reg 116
 512 #define cl_reg 117
 513 #define dl_reg 118
 514 #define bl_reg 119
 515 #define ah_reg 120
 516 #define ch_reg 121
 517 #define dh_reg 122
 518 #define bh_reg 123
 519
 520 #define ax_reg 124
 521 #define cx_reg 125
 522 #define dx_reg 126
 523 #define bx_reg 127
 524 #define sp_reg 128
 525 #define bp_reg 129
 526 #define si_reg 130
 527 #define di_reg 131
 528
 529 #define rAX_reg 132
 530 #define rCX_reg 133
 531 #define rDX_reg 134
 532 #define rBX_reg 135
 533 #define rSP_reg 136
 534 #define rBP_reg 137
 535 #define rSI_reg 138
 536 #define rDI_reg 139
 537
 538 #define z_mode_ax_reg 149
 539 #define indir_dx_reg 150
 540
 541 #define FLOATCODE 1
 542 #define USE_GROUPS 2
 543 #define USE_PREFIX_USER_TABLE 3
 544 #define X86_64_SPECIAL 4
 545 #define IS_3BYTE_OPCODE 5
 546
 547 #define FLOAT     NULL, { { NULL, FLOATCODE } }
 548
 549 #define GRP1a     NULL, { { NULL, USE_GROUPS }, { NULL,  0 } }
 550 #define GRP1b     NULL, { { NULL, USE_GROUPS }, { NULL,  1 } }
 551 #define GRP1S     NULL, { { NULL, USE_GROUPS }, { NULL,  2 } }
 552 #define GRP1Ss    NULL, { { NULL, USE_GROUPS }, { NULL,  3 } }
 553 #define GRP2b     NULL, { { NULL, USE_GROUPS }, { NULL,  4 } }
 554 #define GRP2S     NULL, { { NULL, USE_GROUPS }, { NULL,  5 } }
 555 #define GRP2b_one NULL, { { NULL, USE_GROUPS }, { NULL,  6 } }
 556 #define GRP2S_one NULL, { { NULL, USE_GROUPS }, { NULL,  7 } }
 557 #define GRP2b_cl  NULL, { { NULL, USE_GROUPS }, { NULL,  8 } }
 558 #define GRP2S_cl  NULL, { { NULL, USE_GROUPS }, { NULL,  9 } }
 559 #define GRP3b     NULL, { { NULL, USE_GROUPS }, { NULL, 10 } }
 560 #define GRP3S     NULL, { { NULL, USE_GROUPS }, { NULL, 11 } }
 561 #define GRP4      NULL, { { NULL, USE_GROUPS }, { NULL, 12 } }
 562 #define GRP5      NULL, { { NULL, USE_GROUPS }, { NULL, 13 } }
 563 #define GRP6      NULL, { { NULL, USE_GROUPS }, { NULL, 14 } }
 564 #define GRP7      NULL, { { NULL, USE_GROUPS }, { NULL, 15 } }
 565 #define GRP8      NULL, { { NULL, USE_GROUPS }, { NULL, 16 } }
 566 #define GRP9      NULL, { { NULL, USE_GROUPS }, { NULL, 17 } }
 567 #define GRP11_C6  NULL, { { NULL, USE_GROUPS }, { NULL, 18 } }
 568 #define GRP11_C7  NULL, { { NULL, USE_GROUPS }, { NULL, 19 } }
 569 #define GRP12     NULL, { { NULL, USE_GROUPS }, { NULL, 20 } }
 570 #define GRP13     NULL, { { NULL, USE_GROUPS }, { NULL, 21 } }
 571 #define GRP14     NULL, { { NULL, USE_GROUPS }, { NULL, 22 } }
 572 #define GRP15     NULL, { { NULL, USE_GROUPS }, { NULL, 23 } }
 573 #define GRP16     NULL, { { NULL, USE_GROUPS }, { NULL, 24 } }
 574 #define GRPAMD    NULL, { { NULL, USE_GROUPS }, { NULL, 25 } }
 575 #define GRPPADLCK1 NULL, { { NULL, USE_GROUPS }, { NULL, 26 } }
 576 #define GRPPADLCK2 NULL, { { NULL, USE_GROUPS }, { NULL, 27 } }
 577
 578 #define PREGRP0   NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL,  0 } }
 579 #define PREGRP1   NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL,  1 } }
 580 #define PREGRP2   NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL,  2 } }
 581 #define PREGRP3   NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL,  3 } }
 582 #define PREGRP4   NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL,  4 } }
 583 #define PREGRP5   NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL,  5 } }
 584 #define PREGRP6   NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL,  6 } }
 585 #define PREGRP7   NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL,  7 } }
 586 #define PREGRP8   NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL,  8 } }
 587 #define PREGRP9   NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL,  9 } }
 588 #define PREGRP10  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 10 } }
 589 #define PREGRP11  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 11 } }
 590 #define PREGRP12  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 12 } }
 591 #define PREGRP13  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 13 } }
 592 #define PREGRP14  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 14 } }
 593 #define PREGRP15  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 15 } }
 594 #define PREGRP16  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 16 } }
 595 #define PREGRP17  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 17 } }
 596 #define PREGRP18  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 18 } }
 597 #define PREGRP19  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 19 } }
 598 #define PREGRP20  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 20 } }
 599 #define PREGRP21  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 21 } }
 600 #define PREGRP22  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 22 } }
 601 #define PREGRP23  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 23 } }
 602 #define PREGRP24  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 24 } }
 603 #define PREGRP25  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 25 } }
 604 #define PREGRP26  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 26 } }
 605 #define PREGRP27  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 27 } }
 606 #define PREGRP28  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 28 } }
 607 #define PREGRP29  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 29 } }
 608 #define PREGRP30  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 30 } }
 609 #define PREGRP31  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 31 } }
 610 #define PREGRP32  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 32 } }
 611 #define PREGRP33  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 33 } }
 612 #define PREGRP34  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 34 } }
 613 #define PREGRP35  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 35 } }
 614 #define PREGRP36  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 36 } }
 615 #define PREGRP37  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 37 } }
 616 #define PREGRP38  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 38 } }
 617 #define PREGRP39  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 39 } }
 618 #define PREGRP40  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 40 } }
 619 #define PREGRP41  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 41 } }
 620 #define PREGRP42  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 42 } }
 621 #define PREGRP43  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 43 } }
 622 #define PREGRP44  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 44 } }
 623 #define PREGRP45  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 45 } }
 624 #define PREGRP46  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 46 } }
 625 #define PREGRP47  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 47 } }
 626 #define PREGRP48  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 48 } }
 627 #define PREGRP49  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 49 } }
 628 #define PREGRP50  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 50 } }
 629 #define PREGRP51  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 51 } }
 630 #define PREGRP52  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 52 } }
 631 #define PREGRP53  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 53 } }
 632 #define PREGRP54  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 54 } }
 633 #define PREGRP55  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 55 } }
 634 #define PREGRP56  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 56 } }
 635 #define PREGRP57  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 57 } }
 636 #define PREGRP58  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 58 } }
 637 #define PREGRP59  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 59 } }
 638 #define PREGRP60  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 60 } }
 639 #define PREGRP61  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 61 } }
 640 #define PREGRP62  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 62 } }
 641 #define PREGRP63  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 63 } }
 642 #define PREGRP64  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 64 } }
 643 #define PREGRP65  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 65 } }
 644 #define PREGRP66  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 66 } }
 645 #define PREGRP67  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 67 } }
 646 #define PREGRP68  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 68 } }
 647 #define PREGRP69  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 69 } }
 648 #define PREGRP70  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 70 } }
 649 #define PREGRP71  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 71 } }
 650 #define PREGRP72  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 72 } }
 651 #define PREGRP73  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 73 } }
 652 #define PREGRP74  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 74 } }
 653 #define PREGRP75  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 75 } }
 654 #define PREGRP76  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 76 } }
 655 #define PREGRP77  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 77 } }
 656 #define PREGRP78  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 78 } }
 657 #define PREGRP79  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 79 } }
 658 #define PREGRP80  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 80 } }
 659 #define PREGRP81  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 81 } }
 660 #define PREGRP82  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 82 } }
 661 #define PREGRP83  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 83 } }
 662 #define PREGRP84  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 84 } }
 663 #define PREGRP85  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 85 } }
 664 #define PREGRP86  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 86 } }
 665 #define PREGRP87  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 87 } }
 666 #define PREGRP88  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 88 } }
 667 #define PREGRP89  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 89 } }
 668 #define PREGRP90  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 90 } }
 669 #define PREGRP91  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 91 } }
 670 #define PREGRP92  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 92 } }
 671 #define PREGRP93  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 93 } }
 672 #define PREGRP94  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 94 } }
 673 #define PREGRP95  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 95 } }
 674 #define PREGRP96  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 96 } }
 675 #define PREGRP97  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 97 } }
 676 #define PREGRP98  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 98 } }
 677 #define PREGRP99  NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 99 } }
 678 #define PREGRP100 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 100 } }
 679 #define PREGRP101 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 101 } }
 680 #define PREGRP102 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 102 } }
 681 #define PREGRP103 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 103 } }
 682 #define PREGRP104 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 104 } }
 683 #define PREGRP105 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 105 } }
 684 #define PREGRP106 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 106 } }
 685
 686 #define X86_64_0  NULL, { { NULL, X86_64_SPECIAL }, { NULL, 0 } }
 687 #define X86_64_1  NULL, { { NULL, X86_64_SPECIAL }, { NULL, 1 } }
 688 #define X86_64_2  NULL, { { NULL, X86_64_SPECIAL }, { NULL, 2 } }
 689 #define X86_64_3  NULL, { { NULL, X86_64_SPECIAL }, { NULL, 3 } }
 690
 691 #define THREE_BYTE_0 NULL, { { NULL, IS_3BYTE_OPCODE }, { NULL, 0 } }
 692 #define THREE_BYTE_1 NULL, { { NULL, IS_3BYTE_OPCODE }, { NULL, 1 } }
 693
 694 typedef void (*op_rtn) (int bytemode, int sizeflag);
 695
 696 struct dis386 {
 697   const char *name;
 698   struct
 699     {
 700       op_rtn rtn;
 701       int bytemode;
 702     } op[MAX_OPERANDS];
 703 };
 704
 705 /* Upper case letters in the instruction names here are macros.
 706    'A' => print 'b' if no register operands or suffix_always is true
 707    'B' => print 'b' if suffix_always is true
 708    'C' => print 's' or 'l' ('w' or 'd' in Intel mode) depending on operand
 709    .      size prefix
 710    'D' => print 'w' if no register operands or 'w', 'l' or 'q', if
 711    .      suffix_always is true
 712    'E' => print 'e' if 32-bit form of jcxz
 713    'F' => print 'w' or 'l' depending on address size prefix (loop insns)
 714    'G' => print 'w' or 'l' depending on operand size prefix (i/o insns)
 715    'H' => print ",pt" or ",pn" branch hint
 716    'I' => honor following macro letter even in Intel mode (implemented only
 717    .      for some of the macro letters)
 718    'J' => print 'l'
 719    'K' => print 'd' or 'q' if rex prefix is present.
 720    'L' => print 'l' if suffix_always is true
 721    'N' => print 'n' if instruction has no wait "prefix"
 722    'O' => print 'd' or 'o' (or 'q' in Intel mode)
 723    'P' => print 'w', 'l' or 'q' if instruction has an operand size prefix,
 724    .      or suffix_always is true.  print 'q' if rex prefix is present.
 725    'Q' => print 'w', 'l' or 'q' if no register operands or suffix_always
 726    .      is true
 727    'R' => print 'w', 'l' or 'q' ('d' for 'l' and 'e' in Intel mode)
 728    'S' => print 'w', 'l' or 'q' if suffix_always is true
 729    'T' => print 'q' in 64bit mode and behave as 'P' otherwise
 730    'U' => print 'q' in 64bit mode and behave as 'Q' otherwise
 731    'V' => print 'q' in 64bit mode and behave as 'S' otherwise
 732    'W' => print 'b', 'w' or 'l' ('d' in Intel mode)
 733    'X' => print 's', 'd' depending on data16 prefix (for XMM)
 734    'Y' => 'q' if instruction has an REX 64bit overwrite prefix
 735    'Z' => print 'q' in 64bit mode and behave as 'L' otherwise
 736
 737    Many of the above letters print nothing in Intel mode.  See "putop"
 738    for the details.
 739
 740    Braces '{' and '}', and vertical bars '|', indicate alternative
 741    mnemonic strings for AT&T, Intel, X86_64 AT&T, and X86_64 Intel
 742    modes.  In cases where there are only two alternatives, the X86_64
 743    instruction is reserved, and "(bad)" is printed.
 744 */
 745
 746 static const struct dis386 dis386[] = {
 747   /* 00 */
 748   { "addB",             { Eb, Gb } },
 749   { "addS",             { Ev, Gv } },
 750   { "addB",             { Gb, Eb } },
 751   { "addS",             { Gv, Ev } },
 752   { "addB",             { AL, Ib } },
 753   { "addS",             { eAX, Iv } },
 754   { "push{T|}",         { es } },
 755   { "pop{T|}",          { es } },
 756   /* 08 */
 757   { "orB",              { Eb, Gb } },
 758   { "orS",              { Ev, Gv } },
 759   { "orB",              { Gb, Eb } },
 760   { "orS",              { Gv, Ev } },
 761   { "orB",              { AL, Ib } },
 762   { "orS",              { eAX, Iv } },
 763   { "push{T|}",         { cs } },
 764   { "(bad)",            { XX } },       /* 0x0f extended opcode escape */
 765   /* 10 */
 766   { "adcB",             { Eb, Gb } },
 767   { "adcS",             { Ev, Gv } },
 768   { "adcB",             { Gb, Eb } },
 769   { "adcS",             { Gv, Ev } },
 770   { "adcB",             { AL, Ib } },
 771   { "adcS",             { eAX, Iv } },
 772   { "push{T|}",         { ss } },
 773   { "pop{T|}",          { ss } },
 774   /* 18 */
 775   { "sbbB",             { Eb, Gb } },
 776   { "sbbS",             { Ev, Gv } },
 777   { "sbbB",             { Gb, Eb } },
 778   { "sbbS",             { Gv, Ev } },
 779   { "sbbB",             { AL, Ib } },
 780   { "sbbS",             { eAX, Iv } },
 781   { "push{T|}",         { ds } },
 782   { "pop{T|}",          { ds } },
 783   /* 20 */
 784   { "andB",             { Eb, Gb } },
 785   { "andS",             { Ev, Gv } },
 786   { "andB",             { Gb, Eb } },
 787   { "andS",             { Gv, Ev } },
 788   { "andB",             { AL, Ib } },
 789   { "andS",             { eAX, Iv } },
 790   { "(bad)",            { XX } },       /* SEG ES prefix */
 791   { "daa{|}",           { XX } },
 792   /* 28 */
 793   { "subB",             { Eb, Gb } },
 794   { "subS",             { Ev, Gv } },
 795   { "subB",             { Gb, Eb } },
 796   { "subS",             { Gv, Ev } },
 797   { "subB",             { AL, Ib } },
 798   { "subS",             { eAX, Iv } },
 799   { "(bad)",            { XX } },       /* SEG CS prefix */
 800   { "das{|}",           { XX } },
 801   /* 30 */
 802   { "xorB",             { Eb, Gb } },
 803   { "xorS",             { Ev, Gv } },
 804   { "xorB",             { Gb, Eb } },
 805   { "xorS",             { Gv, Ev } },
 806   { "xorB",             { AL, Ib } },
 807   { "xorS",             { eAX, Iv } },
 808   { "(bad)",            { XX } },       /* SEG SS prefix */
 809   { "aaa{|}",           { XX } },
 810   /* 38 */
 811   { "cmpB",             { Eb, Gb } },
 812   { "cmpS",             { Ev, Gv } },
 813   { "cmpB",             { Gb, Eb } },
 814   { "cmpS",             { Gv, Ev } },
 815   { "cmpB",             { AL, Ib } },
 816   { "cmpS",             { eAX, Iv } },
 817   { "(bad)",            { XX } },       /* SEG DS prefix */
 818   { "aas{|}",           { XX } },
 819   /* 40 */
 820   { "inc{S|}",          { RMeAX } },
 821   { "inc{S|}",          { RMeCX } },
 822   { "inc{S|}",          { RMeDX } },
 823   { "inc{S|}",          { RMeBX } },
 824   { "inc{S|}",          { RMeSP } },
 825   { "inc{S|}",          { RMeBP } },
 826   { "inc{S|}",          { RMeSI } },
 827   { "inc{S|}",          { RMeDI } },
 828   /* 48 */
 829   { "dec{S|}",          { RMeAX } },
 830   { "dec{S|}",          { RMeCX } },
 831   { "dec{S|}",          { RMeDX } },
 832   { "dec{S|}",          { RMeBX } },
 833   { "dec{S|}",          { RMeSP } },
 834   { "dec{S|}",          { RMeBP } },
 835   { "dec{S|}",          { RMeSI } },
 836   { "dec{S|}",          { RMeDI } },
 837   /* 50 */
 838   { "pushV",            { RMrAX } },
 839   { "pushV",            { RMrCX } },
 840   { "pushV",            { RMrDX } },
 841   { "pushV",            { RMrBX } },
 842   { "pushV",            { RMrSP } },
 843   { "pushV",            { RMrBP } },
 844   { "pushV",            { RMrSI } },
 845   { "pushV",            { RMrDI } },
 846   /* 58 */
 847   { "popV",             { RMrAX } },
 848   { "popV",             { RMrCX } },
 849   { "popV",             { RMrDX } },
 850   { "popV",             { RMrBX } },
 851   { "popV",             { RMrSP } },
 852   { "popV",             { RMrBP } },
 853   { "popV",             { RMrSI } },
 854   { "popV",             { RMrDI } },
 855   /* 60 */
 856   { X86_64_0 },
 857   { X86_64_1 },
 858   { X86_64_2 },
 859   { X86_64_3 },
 860   { "(bad)",            { XX } },       /* seg fs */
 861   { "(bad)",            { XX } },       /* seg gs */
 862   { "(bad)",            { XX } },       /* op size prefix */
 863   { "(bad)",            { XX } },       /* adr size prefix */
 864   /* 68 */
 865   { "pushT",            { Iq } },
 866   { "imulS",            { Gv, Ev, Iv } },
 867   { "pushT",            { sIb } },
 868   { "imulS",            { Gv, Ev, sIb } },
 869   { "ins{b||b|}",       { Ybr, indirDX } },
 870   { "ins{R||G|}",       { Yzr, indirDX } },
 871   { "outs{b||b|}",      { indirDXr, Xb } },
 872   { "outs{R||G|}",      { indirDXr, Xz } },
 873   /* 70 */
 874   { "joH",              { Jb, XX, cond_jump_flag } },
 875   { "jnoH",             { Jb, XX, cond_jump_flag } },
 876   { "jbH",              { Jb, XX, cond_jump_flag } },
 877   { "jaeH",             { Jb, XX, cond_jump_flag } },
 878   { "jeH",              { Jb, XX, cond_jump_flag } },
 879   { "jneH",             { Jb, XX, cond_jump_flag } },
 880   { "jbeH",             { Jb, XX, cond_jump_flag } },
 881   { "jaH",              { Jb, XX, cond_jump_flag } },
 882   /* 78 */
 883   { "jsH",              { Jb, XX, cond_jump_flag } },
 884   { "jnsH",             { Jb, XX, cond_jump_flag } },
 885   { "jpH",              { Jb, XX, cond_jump_flag } },
 886   { "jnpH",             { Jb, XX, cond_jump_flag } },
 887   { "jlH",              { Jb, XX, cond_jump_flag } },
 888   { "jgeH",             { Jb, XX, cond_jump_flag } },
 889   { "jleH",             { Jb, XX, cond_jump_flag } },
 890   { "jgH",              { Jb, XX, cond_jump_flag } },
 891   /* 80 */
 892   { GRP1b },
 893   { GRP1S },
 894   { "(bad)",            { XX } },
 895   { GRP1Ss },
 896   { "testB",            { Eb, Gb } },
 897   { "testS",            { Ev, Gv } },
 898   { "xchgB",            { Eb, Gb } },
 899   { "xchgS",            { Ev, Gv } },
 900   /* 88 */
 901   { "movB",             { Eb, Gb } },
 902   { "movS",             { Ev, Gv } },
 903   { "movB",             { Gb, Eb } },
 904   { "movS",             { Gv, Ev } },
 905   { "movD",             { Sv, Sw } },
 906   { "leaS",             { Gv, M } },
 907   { "movD",             { Sw, Sv } },
 908   { GRP1a },
 909   /* 90 */
 910   { PREGRP38 },
 911   { "xchgS",            { RMeCX, eAX } },
 912   { "xchgS",            { RMeDX, eAX } },
 913   { "xchgS",            { RMeBX, eAX } },
 914   { "xchgS",            { RMeSP, eAX } },
 915   { "xchgS",            { RMeBP, eAX } },
 916   { "xchgS",            { RMeSI, eAX } },
 917   { "xchgS",            { RMeDI, eAX } },
 918   /* 98 */
 919   { "cW{t||t|}R",       { XX } },
 920   { "cR{t||t|}O",       { XX } },
 921   { "Jcall{T|}",        { Ap } },
 922   { "(bad)",            { XX } },       /* fwait */
 923   { "pushfT",           { XX } },
 924   { "popfT",            { XX } },
 925   { "sahf{|}",          { XX } },
 926   { "lahf{|}",          { XX } },
 927   /* a0 */
 928   { "movB",             { AL, Ob } },
 929   { "movS",             { eAX, Ov } },
 930   { "movB",             { Ob, AL } },
 931   { "movS",             { Ov, eAX } },
 932   { "movs{b||b|}",      { Ybr, Xb } },
 933   { "movs{R||R|}",      { Yvr, Xv } },
 934   { "cmps{b||b|}",      { Xb, Yb } },
 935   { "cmps{R||R|}",      { Xv, Yv } },
 936   /* a8 */
 937   { "testB",            { AL, Ib } },
 938   { "testS",            { eAX, Iv } },
 939   { "stosB",            { Ybr, AL } },
 940   { "stosS",            { Yvr, eAX } },
 941   { "lodsB",            { ALr, Xb } },
 942   { "lodsS",            { eAXr, Xv } },
 943   { "scasB",            { AL, Yb } },
 944   { "scasS",            { eAX, Yv } },
 945   /* b0 */
 946   { "movB",             { RMAL, Ib } },
 947   { "movB",             { RMCL, Ib } },
 948   { "movB",             { RMDL, Ib } },
 949   { "movB",             { RMBL, Ib } },
 950   { "movB",             { RMAH, Ib } },
 951   { "movB",             { RMCH, Ib } },
 952   { "movB",             { RMDH, Ib } },
 953   { "movB",             { RMBH, Ib } },
 954   /* b8 */
 955   { "movS",             { RMeAX, Iv64 } },
 956   { "movS",             { RMeCX, Iv64 } },
 957   { "movS",             { RMeDX, Iv64 } },
 958   { "movS",             { RMeBX, Iv64 } },
 959   { "movS",             { RMeSP, Iv64 } },
 960   { "movS",             { RMeBP, Iv64 } },
 961   { "movS",             { RMeSI, Iv64 } },
 962   { "movS",             { RMeDI, Iv64 } },
 963   /* c0 */
 964   { GRP2b },
 965   { GRP2S },
 966   { "retT",             { Iw } },
 967   { "retT",             { XX } },
 968   { "les{S|}",          { Gv, Mp } },
 969   { "ldsS",             { Gv, Mp } },
 970   { GRP11_C6 },
 971   { GRP11_C7 },
 972   /* c8 */
 973   { "enterT",           { Iw, Ib } },
 974   { "leaveT",           { XX } },
 975   { "lretP",            { Iw } },
 976   { "lretP",            { XX } },
 977   { "int3",             { XX } },
 978   { "int",              { Ib } },
 979   { "into{|}",          { XX } },
 980   { "iretP",            { XX } },
 981   /* d0 */
 982   { GRP2b_one },
 983   { GRP2S_one },
 984   { GRP2b_cl },
 985   { GRP2S_cl },
 986   { "aam{|}",           { sIb } },
 987   { "aad{|}",           { sIb } },
 988   { "(bad)",            { XX } },
 989   { "xlat",             { DSBX } },
 990   /* d8 */
 991   { FLOAT },
 992   { FLOAT },
 993   { FLOAT },
 994   { FLOAT },
 995   { FLOAT },
 996   { FLOAT },
 997   { FLOAT },
 998   { FLOAT },
 999   /* e0 */
1000   { "loopneFH",         { Jb, XX, loop_jcxz_flag } },
1001   { "loopeFH",          { Jb, XX, loop_jcxz_flag } },
1002   { "loopFH",           { Jb, XX, loop_jcxz_flag } },
1003   { "jEcxzH",           { Jb, XX, loop_jcxz_flag } },
1004   { "inB",              { AL, Ib } },
1005   { "inG",              { zAX, Ib } },
1006   { "outB",             { Ib, AL } },
1007   { "outG",             { Ib, zAX } },
1008   /* e8 */
1009   { "callT",            { Jv } },
1010   { "jmpT",             { Jv } },
1011   { "Jjmp{T|}",         { Ap } },
1012   { "jmp",              { Jb } },
1013   { "inB",              { AL, indirDX } },
1014   { "inG",              { zAX, indirDX } },
1015   { "outB",             { indirDX, AL } },
1016   { "outG",             { indirDX, zAX } },
1017   /* f0 */
1018   { "(bad)",            { XX } },       /* lock prefix */
1019   { "icebp",            { XX } },
1020   { "(bad)",            { XX } },       /* repne */
1021   { "(bad)",            { XX } },       /* repz */
1022   { "hlt",              { XX } },
1023   { "cmc",              { XX } },
1024   { GRP3b },
1025   { GRP3S },
1026   /* f8 */
1027   { "clc",              { XX } },
1028   { "stc",              { XX } },
1029   { "cli",              { XX } },
1030   { "sti",              { XX } },
1031   { "cld",              { XX } },
1032   { "std",              { XX } },
1033   { GRP4 },
1034   { GRP5 },
1035 };
1036
1037 static const struct dis386 dis386_twobyte[] = {
1038   /* 00 */
1039   { GRP6 },
1040   { GRP7 },
1041   { "larS",             { Gv, Ew } },
1042   { "lslS",             { Gv, Ew } },
1043   { "(bad)",            { XX } },
1044   { "syscall",          { XX } },
1045   { "clts",             { XX } },
1046   { "sysretP",          { XX } },
1047   /* 08 */
1048   { "invd",             { XX } },
1049   { "wbinvd",           { XX } },
1050   { "(bad)",            { XX } },
1051   { "ud2a",             { XX } },
1052   { "(bad)",            { XX } },
1053   { GRPAMD },
1054   { "femms",            { XX } },
1055   { "",                 { MX, EM, OPSUF } }, /* See OP_3DNowSuffix.  */
1056   /* 10 */
1057   { PREGRP8 },
1058   { PREGRP9 },
1059   { PREGRP30 },
1060   { "movlpX",           { EXq, XM, { SIMD_Fixup, 'h' } } },
1061   { "unpcklpX",         { XM, EXq } },
1062   { "unpckhpX",         { XM, EXq } },
1063   { PREGRP31 },
1064   { "movhpX",           { EXq, XM, { SIMD_Fixup, 'l' } } },
1065   /* 18 */
1066   { GRP16 },
1067   { "(bad)",            { XX } },
1068   { "(bad)",            { XX } },
1069   { "(bad)",            { XX } },
1070   { "(bad)",            { XX } },
1071   { "(bad)",            { XX } },
1072   { "(bad)",            { XX } },
1073   { "nopQ",             { Ev } },
1074   /* 20 */
1075   { "movZ",             { Rm, Cm } },
1076   { "movZ",             { Rm, Dm } },
1077   { "movZ",             { Cm, Rm } },
1078   { "movZ",             { Dm, Rm } },
1079   { "movL",             { Rd, Td } },
1080   { "(bad)",            { XX } },
1081   { "movL",             { Td, Rd } },
1082   { "(bad)",            { XX } },
1083   /* 28 */
1084   { "movapX",           { XM, EXx } },
1085   { "movapX",           { EXx,  XM } },
1086   { PREGRP2 },
1087   { PREGRP33 },
1088   { PREGRP4 },
1089   { PREGRP3 },
1090   { PREGRP93 },
1091   { PREGRP94 },
1092   /* 30 */
1093   { "wrmsr",            { XX } },
1094   { "rdtsc",            { XX } },
1095   { "rdmsr",            { XX } },
1096   { "rdpmc",            { XX } },
1097   { "sysenter",         { XX } },
1098   { "sysexit",          { XX } },
1099   { "(bad)",            { XX } },
1100   { "(bad)",            { XX } },
1101   /* 38 */
1102   { THREE_BYTE_0 },
1103   { "(bad)",            { XX } },
1104   { THREE_BYTE_1 },
1105   { "(bad)",            { XX } },
1106   { "(bad)",            { XX } },
1107   { "(bad)",            { XX } },
1108   { "(bad)",            { XX } },
1109   { "(bad)",            { XX } },
1110   /* 40 */
1111   { "cmovo",            { Gv, Ev } },
1112   { "cmovno",           { Gv, Ev } },
1113   { "cmovb",            { Gv, Ev } },
1114   { "cmovae",           { Gv, Ev } },
1115   { "cmove",            { Gv, Ev } },
1116   { "cmovne",           { Gv, Ev } },
1117   { "cmovbe",           { Gv, Ev } },
1118   { "cmova",            { Gv, Ev } },
1119   /* 48 */
1120   { "cmovs",            { Gv, Ev } },
1121   { "cmovns",           { Gv, Ev } },
1122   { "cmovp",            { Gv, Ev } },
1123   { "cmovnp",           { Gv, Ev } },
1124   { "cmovl",            { Gv, Ev } },
1125   { "cmovge",           { Gv, Ev } },
1126   { "cmovle",           { Gv, Ev } },
1127   { "cmovg",            { Gv, Ev } },
1128   /* 50 */
1129   { "movmskpX",         { Gdq, XS } },
1130   { PREGRP13 },
1131   { PREGRP12 },
1132   { PREGRP11 },
1133   { "andpX",            { XM, EXx } },
1134   { "andnpX",           { XM, EXx } },
1135   { "orpX",             { XM, EXx } },
1136   { "xorpX",            { XM, EXx } },
1137   /* 58 */
1138   { PREGRP0 },
1139   { PREGRP10 },
1140   { PREGRP17 },
1141   { PREGRP16 },
1142   { PREGRP14 },
1143   { PREGRP7 },
1144   { PREGRP5 },
1145   { PREGRP6 },
1146   /* 60 */
1147   { PREGRP95 },
1148   { PREGRP96 },
1149   { PREGRP97 },
1150   { "packsswb",         { MX, EM } },
1151   { "pcmpgtb",          { MX, EM } },
1152   { "pcmpgtw",          { MX, EM } },
1153   { "pcmpgtd",          { MX, EM } },
1154   { "packuswb",         { MX, EM } },
1155   /* 68 */
1156   { "punpckhbw",        { MX, EM } },
1157   { "punpckhwd",        { MX, EM } },
1158   { "punpckhdq",        { MX, EM } },
1159   { "packssdw",         { MX, EM } },
1160   { PREGRP26 },
1161   { PREGRP24 },
1162   { "movd",             { MX, Edq } },
1163   { PREGRP19 },
1164   /* 70 */
1165   { PREGRP22 },
1166   { GRP12 },
1167   { GRP13 },
1168   { GRP14 },
1169   { "pcmpeqb",          { MX, EM } },
1170   { "pcmpeqw",          { MX, EM } },
1171   { "pcmpeqd",          { MX, EM } },
1172   { "emms",             { XX } },
1173   /* 78 */
1174   { PREGRP34 },
1175   { PREGRP35 },
1176   { "(bad)",            { XX } },
1177   { "(bad)",            { XX } },
1178   { PREGRP28 },
1179   { PREGRP29 },
1180   { PREGRP23 },
1181   { PREGRP20 },
1182   /* 80 */
1183   { "joH",              { Jv, XX, cond_jump_flag } },
1184   { "jnoH",             { Jv, XX, cond_jump_flag } },
1185   { "jbH",              { Jv, XX, cond_jump_flag } },
1186   { "jaeH",             { Jv, XX, cond_jump_flag } },
1187   { "jeH",              { Jv, XX, cond_jump_flag } },
1188   { "jneH",             { Jv, XX, cond_jump_flag } },
1189   { "jbeH",             { Jv, XX, cond_jump_flag } },
1190   { "jaH",              { Jv, XX, cond_jump_flag } },
1191   /* 88 */
1192   { "jsH",              { Jv, XX, cond_jump_flag } },
1193   { "jnsH",             { Jv, XX, cond_jump_flag } },
1194   { "jpH",              { Jv, XX, cond_jump_flag } },
1195   { "jnpH",             { Jv, XX, cond_jump_flag } },
1196   { "jlH",              { Jv, XX, cond_jump_flag } },
1197   { "jgeH",             { Jv, XX, cond_jump_flag } },
1198   { "jleH",             { Jv, XX, cond_jump_flag } },
1199   { "jgH",              { Jv, XX, cond_jump_flag } },
1200   /* 90 */
1201   { "seto",             { Eb } },
1202   { "setno",            { Eb } },
1203   { "setb",             { Eb } },
1204   { "setae",            { Eb } },
1205   { "sete",             { Eb } },
1206   { "setne",            { Eb } },
1207   { "setbe",            { Eb } },
1208   { "seta",             { Eb } },
1209   /* 98 */
1210   { "sets",             { Eb } },
1211   { "setns",            { Eb } },
1212   { "setp",             { Eb } },
1213   { "setnp",            { Eb } },
1214   { "setl",             { Eb } },
1215   { "setge",            { Eb } },
1216   { "setle",            { Eb } },
1217   { "setg",             { Eb } },
1218   /* a0 */
1219   { "pushT",            { fs } },
1220   { "popT",             { fs } },
1221   { "cpuid",            { XX } },
1222   { "btS",              { Ev, Gv } },
1223   { "shldS",            { Ev, Gv, Ib } },
1224   { "shldS",            { Ev, Gv, CL } },
1225   { GRPPADLCK2 },
1226   { GRPPADLCK1 },
1227   /* a8 */
1228   { "pushT",            { gs } },
1229   { "popT",             { gs } },
1230   { "rsm",              { XX } },
1231   { "btsS",             { Ev, Gv } },
1232   { "shrdS",            { Ev, Gv, Ib } },
1233   { "shrdS",            { Ev, Gv, CL } },
1234   { GRP15 },
1235   { "imulS",            { Gv, Ev } },
1236   /* b0 */
1237   { "cmpxchgB",         { Eb, Gb } },
1238   { "cmpxchgS",         { Ev, Gv } },
1239   { "lssS",             { Gv, Mp } },
1240   { "btrS",             { Ev, Gv } },
1241   { "lfsS",             { Gv, Mp } },
1242   { "lgsS",             { Gv, Mp } },
1243   { "movz{bR|x|bR|x}",  { Gv, Eb } },
1244   { "movz{wR|x|wR|x}",  { Gv, Ew } }, /* yes, there really is movzww ! */
1245   /* b8 */
1246   { PREGRP37 },
1247   { "ud2b",             { XX } },
1248   { GRP8 },
1249   { "btcS",             { Ev, Gv } },
1250   { "bsfS",             { Gv, Ev } },
1251   { PREGRP36 },
1252   { "movs{bR|x|bR|x}",  { Gv, Eb } },
1253   { "movs{wR|x|wR|x}",  { Gv, Ew } }, /* yes, there really is movsww ! */
1254   /* c0 */
1255   { "xaddB",            { Eb, Gb } },
1256   { "xaddS",            { Ev, Gv } },
1257   { PREGRP1 },
1258   { "movntiS",          { Ev, Gv } },
1259   { "pinsrw",           { MX, Edqw, Ib } },
1260   { "pextrw",           { Gdq, MS, Ib } },
1261   { "shufpX",           { XM, EXx, Ib } },
1262   { GRP9 },
1263   /* c8 */
1264   { "bswap",            { RMeAX } },
1265   { "bswap",            { RMeCX } },
1266   { "bswap",            { RMeDX } },
1267   { "bswap",            { RMeBX } },
1268   { "bswap",            { RMeSP } },
1269   { "bswap",            { RMeBP } },
1270   { "bswap",            { RMeSI } },
1271   { "bswap",            { RMeDI } },
1272   /* d0 */
1273   { PREGRP27 },
1274   { "psrlw",            { MX, EM } },
1275   { "psrld",            { MX, EM } },
1276   { "psrlq",            { MX, EM } },
1277   { "paddq",            { MX, EM } },
1278   { "pmullw",           { MX, EM } },
1279   { PREGRP21 },
1280   { "pmovmskb",         { Gdq, MS } },
1281   /* d8 */
1282   { "psubusb",          { MX, EM } },
1283   { "psubusw",          { MX, EM } },
1284   { "pminub",           { MX, EM } },
1285   { "pand",             { MX, EM } },
1286   { "paddusb",          { MX, EM } },
1287   { "paddusw",          { MX, EM } },
1288   { "pmaxub",           { MX, EM } },
1289   { "pandn",            { MX, EM } },
1290   /* e0 */
1291   { "pavgb",            { MX, EM } },
1292   { "psraw",            { MX, EM } },
1293   { "psrad",            { MX, EM } },
1294   { "pavgw",            { MX, EM } },
1295   { "pmulhuw",          { MX, EM } },
1296   { "pmulhw",           { MX, EM } },
1297   { PREGRP15 },
1298   { PREGRP25 },
1299   /* e8 */
1300   { "psubsb",           { MX, EM } },
1301   { "psubsw",           { MX, EM } },
1302   { "pminsw",           { MX, EM } },
1303   { "por",              { MX, EM } },
1304   { "paddsb",           { MX, EM } },
1305   { "paddsw",           { MX, EM } },
1306   { "pmaxsw",           { MX, EM } },
1307   { "pxor",             { MX, EM } },
1308   /* f0 */
1309   { PREGRP32 },
1310   { "psllw",            { MX, EM } },
1311   { "pslld",            { MX, EM } },
1312   { "psllq",            { MX, EM } },
1313   { "pmuludq",          { MX, EM } },
1314   { "pmaddwd",          { MX, EM } },
1315   { "psadbw",           { MX, EM } },
1316   { PREGRP18 },
1317   /* f8 */
1318   { "psubb",            { MX, EM } },
1319   { "psubw",            { MX, EM } },
1320   { "psubd",            { MX, EM } },
1321   { "psubq",            { MX, EM } },
1322   { "paddb",            { MX, EM } },
1323   { "paddw",            { MX, EM } },
1324   { "paddd",            { MX, EM } },
1325   { "(bad)",            { XX } },
1326 };
1327
1328 static const unsigned char onebyte_has_modrm[256] = {
1329   /*       0 1 2 3 4 5 6 7 8 9 a b c d e f        */
1330   /*       -------------------------------        */
1331   /* 00 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 00 */
1332   /* 10 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 10 */
1333   /* 20 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 20 */
1334   /* 30 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 30 */
1335   /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 40 */
1336   /* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 50 */
1337   /* 60 */ 0,0,1,1,0,0,0,0,0,1,0,1,0,0,0,0, /* 60 */
1338   /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 70 */
1339   /* 80 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 80 */
1340   /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 90 */
1341   /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* a0 */
1342   /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* b0 */
1343   /* c0 */ 1,1,0,0,1,1,1,1,0,0,0,0,0,0,0,0, /* c0 */
1344   /* d0 */ 1,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1, /* d0 */
1345   /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* e0 */
1346   /* f0 */ 0,0,0,0,0,0,1,1,0,0,0,0,0,0,1,1  /* f0 */
1347   /*       -------------------------------        */
1348   /*       0 1 2 3 4 5 6 7 8 9 a b c d e f        */
1349 };
1350
1351 static const unsigned char twobyte_has_modrm[256] = {
1352   /*       0 1 2 3 4 5 6 7 8 9 a b c d e f        */
1353   /*       -------------------------------        */
1354   /* 00 */ 1,1,1,1,0,0,0,0,0,0,0,0,0,1,0,1, /* 0f */
1355   /* 10 */ 1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,1, /* 1f */
1356   /* 20 */ 1,1,1,1,1,0,1,0,1,1,1,1,1,1,1,1, /* 2f */
1357   /* 30 */ 0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0, /* 3f */
1358   /* 40 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 4f */
1359   /* 50 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 5f */
1360   /* 60 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 6f */
1361   /* 70 */ 1,1,1,1,1,1,1,0,1,1,0,0,1,1,1,1, /* 7f */
1362   /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */
1363   /* 90 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 9f */
1364   /* a0 */ 0,0,0,1,1,1,1,1,0,0,0,1,1,1,1,1, /* af */
1365   /* b0 */ 1,1,1,1,1,1,1,1,1,0,1,1,1,1,1,1, /* bf */
1366   /* c0 */ 1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0, /* cf */
1367   /* d0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* df */
1368   /* e0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* ef */
1369   /* f0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0  /* ff */
1370   /*       -------------------------------        */
1371   /*       0 1 2 3 4 5 6 7 8 9 a b c d e f        */
1372 };
1373
1374 static const unsigned char twobyte_uses_DATA_prefix[256] = {
1375   /*       0 1 2 3 4 5 6 7 8 9 a b c d e f        */
1376   /*       -------------------------------        */
1377   /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */
1378   /* 10 */ 1,1,1,0,0,0,1,0,0,0,0,0,0,0,0,0, /* 1f */
1379   /* 20 */ 0,0,0,0,0,0,0,0,0,0,1,1,1,1,0,0, /* 2f */
1380   /* 30 */ 0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0, /* 3f */
1381   /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */
1382   /* 50 */ 0,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1, /* 5f */
1383   /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1, /* 6f */
1384   /* 70 */ 1,0,0,0,0,0,0,0,1,1,0,0,1,1,1,1, /* 7f */
1385   /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */
1386   /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */
1387   /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */
1388   /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */
1389   /* c0 */ 0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */
1390   /* d0 */ 1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* df */
1391   /* e0 */ 0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* ef */
1392   /* f0 */ 1,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0  /* ff */
1393   /*       -------------------------------        */
1394   /*       0 1 2 3 4 5 6 7 8 9 a b c d e f        */
1395 };
1396
1397 static const unsigned char twobyte_uses_REPNZ_prefix[256] = {
1398   /*       0 1 2 3 4 5 6 7 8 9 a b c d e f        */
1399   /*       -------------------------------        */
1400   /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */
1401   /* 10 */ 1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 1f */
1402   /* 20 */ 0,0,0,0,0,0,0,0,0,0,1,1,1,1,0,0, /* 2f */
1403   /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */
1404   /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */
1405   /* 50 */ 0,1,0,0,0,0,0,0,1,1,1,0,1,1,1,1, /* 5f */
1406   /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 6f */
1407   /* 70 */ 1,0,0,0,0,0,0,0,1,1,0,0,1,1,0,0, /* 7f */
1408   /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */
1409   /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */
1410   /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */
1411   /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */
1412   /* c0 */ 0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */
1413   /* d0 */ 1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* df */
1414   /* e0 */ 0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* ef */
1415   /* f0 */ 1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ff */
1416   /*       -------------------------------        */
1417   /*       0 1 2 3 4 5 6 7 8 9 a b c d e f        */
1418 };
1419
1420 static const unsigned char twobyte_uses_REPZ_prefix[256] = {
1421   /*       0 1 2 3 4 5 6 7 8 9 a b c d e f        */
1422   /*       -------------------------------        */
1423   /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */
1424   /* 10 */ 1,1,1,0,0,0,1,0,0,0,0,0,0,0,0,0, /* 1f */
1425   /* 20 */ 0,0,0,0,0,0,0,0,0,0,1,1,1,1,0,0, /* 2f */
1426   /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */
1427   /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */
1428   /* 50 */ 0,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1, /* 5f */
1429   /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1, /* 6f */
1430   /* 70 */ 1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1, /* 7f */
1431   /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */
1432   /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */
1433   /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */
1434   /* b0 */ 0,0,0,0,0,0,0,0,1,0,0,0,0,1,0,0, /* bf */
1435   /* c0 */ 0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */
1436   /* d0 */ 0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* df */
1437   /* e0 */ 0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* ef */
1438   /* f0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ff */
1439   /*       -------------------------------        */
1440   /*       0 1 2 3 4 5 6 7 8 9 a b c d e f        */
1441 };
1442
1443 /* This is used to determine if opcode 0f 38 XX uses DATA prefix.  */
1444 static const unsigned char threebyte_0x38_uses_DATA_prefix[256] = {
1445   /*       0 1 2 3 4 5 6 7 8 9 a b c d e f        */
1446   /*       -------------------------------        */
1447   /* 00 */ 1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0, /* 0f */
1448   /* 10 */ 1,0,0,0,1,1,0,1,0,0,0,0,1,1,1,0, /* 1f */
1449   /* 20 */ 1,1,1,1,1,1,0,0,1,1,1,1,0,0,0,0, /* 2f */
1450   /* 30 */ 1,1,1,1,1,1,0,1,1,1,1,1,1,1,1,1, /* 3f */
1451   /* 40 */ 1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */
1452   /* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 5f */
1453   /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 6f */
1454   /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 7f */
1455   /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */
1456   /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */
1457   /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */
1458   /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */
1459   /* c0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */
1460   /* d0 */ 0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1, /* df */
1461   /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ef */
1462   /* f0 */ 0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0, /* ff */
1463   /*       -------------------------------        */
1464   /*       0 1 2 3 4 5 6 7 8 9 a b c d e f        */
1465 };
1466
1467 /* This is used to determine if opcode 0f 38 XX uses REPNZ prefix.  */
1468 static const unsigned char threebyte_0x38_uses_REPNZ_prefix[256] = {
1469   /*       0 1 2 3 4 5 6 7 8 9 a b c d e f        */
1470   /*       -------------------------------        */
1471   /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */
1472   /* 10 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 1f */
1473   /* 20 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 2f */
1474   /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */
1475   /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */
1476   /* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 5f */
1477   /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 6f */
1478   /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 7f */
1479   /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */
1480   /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */
1481   /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */
1482   /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */
1483   /* c0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */
1484   /* d0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* df */
1485   /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ef */
1486   /* f0 */ 1,1,0,0,0,0,0,1,0,0,0,0,0,0,0,0, /* ff */
1487   /*       -------------------------------        */
1488   /*       0 1 2 3 4 5 6 7 8 9 a b c d e f        */
1489 };
1490
1491 /* This is used to determine if opcode 0f 38 XX uses REPZ prefix.  */
1492 static const unsigned char threebyte_0x38_uses_REPZ_prefix[256] = {
1493   /*       0 1 2 3 4 5 6 7 8 9 a b c d e f        */
1494   /*       -------------------------------        */
1495   /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */
1496   /* 10 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 1f */
1497   /* 20 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 2f */
1498   /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */
1499   /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */
1500   /* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 5f */
1501   /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 6f */
1502   /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 7f */
1503   /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */
1504   /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */
1505   /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */
1506   /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */
1507   /* c0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */
1508   /* d0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* df */
1509   /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ef */
1510   /* f0 */ 0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0, /* ff */
1511   /*       -------------------------------        */
1512   /*       0 1 2 3 4 5 6 7 8 9 a b c d e f        */
1513 };
1514
1515 /* This is used to determine if opcode 0f 3a XX uses DATA prefix.  */
1516 static const unsigned char threebyte_0x3a_uses_DATA_prefix[256] = {
1517   /*       0 1 2 3 4 5 6 7 8 9 a b c d e f        */
1518   /*       -------------------------------        */
1519   /* 00 */ 0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1, /* 0f */
1520   /* 10 */ 0,0,0,0,1,1,1,1,0,0,0,0,0,0,0,0, /* 1f */
1521   /* 20 */ 1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 2f */
1522   /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */
1523   /* 40 */ 1,1,1,0,1,0,0,0,0,0,0,0,0,0,0,0, /* 4f */
1524   /* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 5f */
1525   /* 60 */ 1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0, /* 6f */
1526   /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 7f */
1527   /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */
1528   /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */
1529   /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */
1530   /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */
1531   /* c0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */
1532   /* d0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1, /* df */
1533   /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ef */
1534   /* f0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ff */
1535   /*       -------------------------------        */
1536   /*       0 1 2 3 4 5 6 7 8 9 a b c d e f        */
1537 };
1538
1539 /* This is used to determine if opcode 0f 3a XX uses REPNZ prefix.  */
1540 static const unsigned char threebyte_0x3a_uses_REPNZ_prefix[256] = {
1541   /*       0 1 2 3 4 5 6 7 8 9 a b c d e f        */
1542   /*       -------------------------------        */
1543   /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */
1544   /* 10 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 1f */
1545   /* 20 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 2f */
1546   /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */
1547   /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */
1548   /* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 5f */
1549   /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 6f */
1550   /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 7f */
1551   /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */
1552   /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */
1553   /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */
1554   /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */
1555   /* c0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */
1556   /* d0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* df */
1557   /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ef */
1558   /* f0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ff */
1559   /*       -------------------------------        */
1560   /*       0 1 2 3 4 5 6 7 8 9 a b c d e f        */
1561 };
1562
1563 /* This is used to determine if opcode 0f 3a XX uses REPZ prefix.  */
1564 static const unsigned char threebyte_0x3a_uses_REPZ_prefix[256] = {
1565   /*       0 1 2 3 4 5 6 7 8 9 a b c d e f        */
1566   /*       -------------------------------        */
1567   /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */
1568   /* 10 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 1f */
1569   /* 20 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 2f */
1570   /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */
1571   /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */
1572   /* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 5f */
1573   /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 6f */
1574   /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 7f */
1575   /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */
1576   /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */
1577   /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */
1578   /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */
1579   /* c0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */
1580   /* d0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* df */
1581   /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ef */
1582   /* f0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ff */
1583   /*       -------------------------------        */
1584   /*       0 1 2 3 4 5 6 7 8 9 a b c d e f        */
1585 };
1586
1587 static char obuf[100];
1588 static char *obufp;
1589 static char scratchbuf[100];
1590 static unsigned char *start_codep;
1591 static unsigned char *insn_codep;
1592 static unsigned char *codep;
1593 static disassemble_info *the_info;
1594 static struct
1595   {
1596     int mod;
1597     int reg;
1598     int rm;
1599   }
1600 modrm;
1601 static unsigned char need_modrm;
1602
1603 /* If we are accessing mod/rm/reg without need_modrm set, then the
1604    values are stale.  Hitting this abort likely indicates that you
1605    need to update onebyte_has_modrm or twobyte_has_modrm.  */
1606 #define MODRM_CHECK  if (!need_modrm) abort ()
1607
1608 static const char * const *names64;
1609 static const char * const *names32;
1610 static const char * const *names16;
1611 static const char * const *names8;
1612 static const char * const *names8rex;
1613 static const char * const *names_seg;
1614 static const char * const *index16;
1615
1616 static const char * const intel_names64[] = {
1617   "rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi",
1618   "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"
1619 };
1620 static const char * const intel_names32[] = {
1621   "eax", "ecx", "edx", "ebx", "esp", "ebp", "esi", "edi",
1622   "r8d", "r9d", "r10d", "r11d", "r12d", "r13d", "r14d", "r15d"
1623 };
1624 static const char * const intel_names16[] = {
1625   "ax", "cx", "dx", "bx", "sp", "bp", "si", "di",
1626   "r8w", "r9w", "r10w", "r11w", "r12w", "r13w", "r14w", "r15w"
1627 };
1628 static const char * const intel_names8[] = {
1629   "al", "cl", "dl", "bl", "ah", "ch", "dh", "bh",
1630 };
1631 static const char * const intel_names8rex[] = {
1632   "al", "cl", "dl", "bl", "spl", "bpl", "sil", "dil",
1633   "r8b", "r9b", "r10b", "r11b", "r12b", "r13b", "r14b", "r15b"
1634 };
1635 static const char * const intel_names_seg[] = {
1636   "es", "cs", "ss", "ds", "fs", "gs", "?", "?",
1637 };
1638 static const char * const intel_index16[] = {
1639   "bx+si", "bx+di", "bp+si", "bp+di", "si", "di", "bp", "bx"
1640 };
1641
1642 static const char * const att_names64[] = {
1643   "%rax", "%rcx", "%rdx", "%rbx", "%rsp", "%rbp", "%rsi", "%rdi",
1644   "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15"
1645 };
1646 static const char * const att_names32[] = {
1647   "%eax", "%ecx", "%edx", "%ebx", "%esp", "%ebp", "%esi", "%edi",
1648   "%r8d", "%r9d", "%r10d", "%r11d", "%r12d", "%r13d", "%r14d", "%r15d"
1649 };
1650 static const char * const att_names16[] = {
1651   "%ax", "%cx", "%dx", "%bx", "%sp", "%bp", "%si", "%di",
1652   "%r8w", "%r9w", "%r10w", "%r11w", "%r12w", "%r13w", "%r14w", "%r15w"
1653 };
1654 static const char * const att_names8[] = {
1655   "%al", "%cl", "%dl", "%bl", "%ah", "%ch", "%dh", "%bh",
1656 };
1657 static const char * const att_names8rex[] = {
1658   "%al", "%cl", "%dl", "%bl", "%spl", "%bpl", "%sil", "%dil",
1659   "%r8b", "%r9b", "%r10b", "%r11b", "%r12b", "%r13b", "%r14b", "%r15b"
1660 };
1661 static const char * const att_names_seg[] = {
1662   "%es", "%cs", "%ss", "%ds", "%fs", "%gs", "%?", "%?",
1663 };
1664 static const char * const att_index16[] = {
1665   "%bx,%si", "%bx,%di", "%bp,%si", "%bp,%di", "%si", "%di", "%bp", "%bx"
1666 };
1667
1668 static const struct dis386 grps[][8] = {
1669   /* GRP1a */
1670   {
1671     { "popU",   { stackEv } },
1672     { "(bad)",  { XX } },
1673     { "(bad)",  { XX } },
1674     { "(bad)",  { XX } },
1675     { "(bad)",  { XX } },
1676     { "(bad)",  { XX } },
1677     { "(bad)",  { XX } },
1678     { "(bad)",  { XX } },
1679   },
1680   /* GRP1b */
1681   {
1682     { "addA",   { Eb, Ib } },
1683     { "orA",    { Eb, Ib } },
1684     { "adcA",   { Eb, Ib } },
1685     { "sbbA",   { Eb, Ib } },
1686     { "andA",   { Eb, Ib } },
1687     { "subA",   { Eb, Ib } },
1688     { "xorA",   { Eb, Ib } },
1689     { "cmpA",   { Eb, Ib } },
1690   },
1691   /* GRP1S */
1692   {
1693     { "addQ",   { Ev, Iv } },
1694     { "orQ",    { Ev, Iv } },
1695     { "adcQ",   { Ev, Iv } },
1696     { "sbbQ",   { Ev, Iv } },
1697     { "andQ",   { Ev, Iv } },
1698     { "subQ",   { Ev, Iv } },
1699     { "xorQ",   { Ev, Iv } },
1700     { "cmpQ",   { Ev, Iv } },
1701   },
1702   /* GRP1Ss */
1703   {
1704     { "addQ",   { Ev, sIb } },
1705     { "orQ",    { Ev, sIb } },
1706     { "adcQ",   { Ev, sIb } },
1707     { "sbbQ",   { Ev, sIb } },
1708     { "andQ",   { Ev, sIb } },
1709     { "subQ",   { Ev, sIb } },
1710     { "xorQ",   { Ev, sIb } },
1711     { "cmpQ",   { Ev, sIb } },
1712   },
1713   /* GRP2b */
1714   {
1715     { "rolA",   { Eb, Ib } },
1716     { "rorA",   { Eb, Ib } },
1717     { "rclA",   { Eb, Ib } },
1718     { "rcrA",   { Eb, Ib } },
1719     { "shlA",   { Eb, Ib } },
1720     { "shrA",   { Eb, Ib } },
1721     { "(bad)",  { XX } },
1722     { "sarA",   { Eb, Ib } },
1723   },
1724   /* GRP2S */
1725   {
1726     { "rolQ",   { Ev, Ib } },
1727     { "rorQ",   { Ev, Ib } },
1728     { "rclQ",   { Ev, Ib } },
1729     { "rcrQ",   { Ev, Ib } },
1730     { "shlQ",   { Ev, Ib } },
1731     { "shrQ",   { Ev, Ib } },
1732     { "(bad)",  { XX } },
1733     { "sarQ",   { Ev, Ib } },
1734   },
1735   /* GRP2b_one */
1736   {
1737     { "rolA",   { Eb, I1 } },
1738     { "rorA",   { Eb, I1 } },
1739     { "rclA",   { Eb, I1 } },
1740     { "rcrA",   { Eb, I1 } },
1741     { "shlA",   { Eb, I1 } },
1742     { "shrA",   { Eb, I1 } },
1743     { "(bad)",  { XX } },
1744     { "sarA",   { Eb, I1 } },
1745   },
1746   /* GRP2S_one */
1747   {
1748     { "rolQ",   { Ev, I1 } },
1749     { "rorQ",   { Ev, I1 } },
1750     { "rclQ",   { Ev, I1 } },
1751     { "rcrQ",   { Ev, I1 } },
1752     { "shlQ",   { Ev, I1 } },
1753     { "shrQ",   { Ev, I1 } },
1754     { "(bad)",  { XX } },
1755     { "sarQ",   { Ev, I1 } },
1756   },
1757   /* GRP2b_cl */
1758   {
1759     { "rolA",   { Eb, CL } },
1760     { "rorA",   { Eb, CL } },
1761     { "rclA",   { Eb, CL } },
1762     { "rcrA",   { Eb, CL } },
1763     { "shlA",   { Eb, CL } },
1764     { "shrA",   { Eb, CL } },
1765     { "(bad)",  { XX } },
1766     { "sarA",   { Eb, CL } },
1767   },
1768   /* GRP2S_cl */
1769   {
1770     { "rolQ",   { Ev, CL } },
1771     { "rorQ",   { Ev, CL } },
1772     { "rclQ",   { Ev, CL } },
1773     { "rcrQ",   { Ev, CL } },
1774     { "shlQ",   { Ev, CL } },
1775     { "shrQ",   { Ev, CL } },
1776     { "(bad)",  { XX } },
1777     { "sarQ",   { Ev, CL } },
1778   },
1779   /* GRP3b */
1780   {
1781     { "testA",  { Eb, Ib } },
1782     { "(bad)",  { Eb } },
1783     { "notA",   { Eb } },
1784     { "negA",   { Eb } },
1785     { "mulA",   { Eb } },       /* Don't print the implicit %al register,  */
1786     { "imulA",  { Eb } },       /* to distinguish these opcodes from other */
1787     { "divA",   { Eb } },       /* mul/imul opcodes.  Do the same for div  */
1788     { "idivA",  { Eb } },       /* and idiv for consistency.               */
1789   },
1790   /* GRP3S */
1791   {
1792     { "testQ",  { Ev, Iv } },
1793     { "(bad)",  { XX } },
1794     { "notQ",   { Ev } },
1795     { "negQ",   { Ev } },
1796     { "mulQ",   { Ev } },       /* Don't print the implicit register.  */
1797     { "imulQ",  { Ev } },
1798     { "divQ",   { Ev } },
1799     { "idivQ",  { Ev } },
1800   },
1801   /* GRP4 */
1802   {
1803     { "incA",   { Eb } },
1804     { "decA",   { Eb } },
1805     { "(bad)",  { XX } },
1806     { "(bad)",  { XX } },
1807     { "(bad)",  { XX } },
1808     { "(bad)",  { XX } },
1809     { "(bad)",  { XX } },
1810     { "(bad)",  { XX } },
1811   },
1812   /* GRP5 */
1813   {
1814     { "incQ",   { Ev } },
1815     { "decQ",   { Ev } },
1816     { "callT",  { indirEv } },
1817     { "JcallT", { indirEp } },
1818     { "jmpT",   { indirEv } },
1819     { "JjmpT",  { indirEp } },
1820     { "pushU",  { stackEv } },
1821     { "(bad)",  { XX } },
1822   },
1823   /* GRP6 */
1824   {
1825     { "sldtD",  { Sv } },
1826     { "strD",   { Sv } },
1827     { "lldt",   { Ew } },
1828     { "ltr",    { Ew } },
1829     { "verr",   { Ew } },
1830     { "verw",   { Ew } },
1831     { "(bad)",  { XX } },
1832     { "(bad)",  { XX } },
1833   },
1834   /* GRP7 */
1835   {
1836     { "sgdt{Q|IQ||}", { { VMX_Fixup, 0 } } },
1837     { "sidt{Q|IQ||}", { { PNI_Fixup, 0 } } },
1838     { "lgdt{Q|Q||}",     { M } },
1839     { "lidt{Q|Q||}",     { { SVME_Fixup, 0 } } },
1840     { "smswD",  { Sv } },
1841     { "(bad)",  { XX } },
1842     { "lmsw",   { Ew } },
1843     { "invlpg", { { INVLPG_Fixup, w_mode } } },
1844   },
1845   /* GRP8 */
1846   {
1847     { "(bad)",  { XX } },
1848     { "(bad)",  { XX } },
1849     { "(bad)",  { XX } },
1850     { "(bad)",  { XX } },
1851     { "btQ",    { Ev, Ib } },
1852     { "btsQ",   { Ev, Ib } },
1853     { "btrQ",   { Ev, Ib } },
1854     { "btcQ",   { Ev, Ib } },
1855   },
1856   /* GRP9 */
1857   {
1858     { "(bad)",  { XX } },
1859     { "cmpxchg8b", { { CMPXCHG8B_Fixup, q_mode } } },
1860     { "(bad)",  { XX } },
1861     { "(bad)",  { XX } },
1862     { "(bad)",  { XX } },
1863     { "(bad)",  { XX } },
1864     { "",       { VM } },               /* See OP_VMX.  */
1865     { "vmptrst", { Mq } },
1866   },
1867   /* GRP11_C6 */
1868   {
1869     { "movA",   { Eb, Ib } },
1870     { "(bad)",  { XX } },
1871     { "(bad)",  { XX } },
1872     { "(bad)",  { XX } },
1873     { "(bad)",  { XX } },
1874     { "(bad)",  { XX } },
1875     { "(bad)",  { XX } },
1876     { "(bad)",  { XX } },
1877   },
1878   /* GRP11_C7 */
1879   {
1880     { "movQ",   { Ev, Iv } },
1881     { "(bad)",  { XX } },
1882     { "(bad)",  { XX } },
1883     { "(bad)",  { XX } },
1884     { "(bad)",  { XX } },
1885     { "(bad)",  { XX } },
1886     { "(bad)",  { XX } },
1887     { "(bad)",  { XX } },
1888   },
1889   /* GRP12 */
1890   {
1891     { "(bad)",  { XX } },
1892     { "(bad)",  { XX } },
1893     { "psrlw",  { MS, Ib } },
1894     { "(bad)",  { XX } },
1895     { "psraw",  { MS, Ib } },
1896     { "(bad)",  { XX } },
1897     { "psllw",  { MS, Ib } },
1898     { "(bad)",  { XX } },
1899   },
1900   /* GRP13 */
1901   {
1902     { "(bad)",  { XX } },
1903     { "(bad)",  { XX } },
1904     { "psrld",  { MS, Ib } },
1905     { "(bad)",  { XX } },
1906     { "psrad",  { MS, Ib } },
1907     { "(bad)",  { XX } },
1908     { "pslld",  { MS, Ib } },
1909     { "(bad)",  { XX } },
1910   },
1911   /* GRP14 */
1912   {
1913     { "(bad)",  { XX } },
1914     { "(bad)",  { XX } },
1915     { "psrlq",  { MS, Ib } },
1916     { "psrldq", { MS, Ib } },
1917     { "(bad)",  { XX } },
1918     { "(bad)",  { XX } },
1919     { "psllq",  { MS, Ib } },
1920     { "pslldq", { MS, Ib } },
1921   },
1922   /* GRP15 */
1923   {
1924     { "fxsave",         { Ev } },
1925     { "fxrstor",        { Ev } },
1926     { "ldmxcsr",        { Ev } },
1927     { "stmxcsr",        { Ev } },
1928     { "(bad)",          { XX } },
1929     { "lfence",         { { OP_0fae, 0 } } },
1930     { "mfence",         { { OP_0fae, 0 } } },
1931     { "clflush",        { { OP_0fae, 0 } } },
1932   },
1933   /* GRP16 */
1934   {
1935     { "prefetchnta",    { Ev } },
1936     { "prefetcht0",     { Ev } },
1937     { "prefetcht1",     { Ev } },
1938     { "prefetcht2",     { Ev } },
1939     { "(bad)",          { XX } },
1940     { "(bad)",          { XX } },
1941     { "(bad)",          { XX } },
1942     { "(bad)",          { XX } },
1943   },
1944   /* GRPAMD */
1945   {
1946     { "prefetch",       { Eb } },
1947     { "prefetchw",      { Eb } },
1948     { "(bad)",          { XX } },
1949     { "(bad)",          { XX } },
1950     { "(bad)",          { XX } },
1951     { "(bad)",          { XX } },
1952     { "(bad)",          { XX } },
1953     { "(bad)",          { XX } },
1954   },
1955   /* GRPPADLCK1 */
1956   {
1957     { "xstore-rng",     { { OP_0f07, 0 } } },
1958     { "xcrypt-ecb",     { { OP_0f07, 0 } } },
1959     { "xcrypt-cbc",     { { OP_0f07, 0 } } },
1960     { "xcrypt-ctr",     { { OP_0f07, 0 } } },
1961     { "xcrypt-cfb",     { { OP_0f07, 0 } } },
1962     { "xcrypt-ofb",     { { OP_0f07, 0 } } },
1963     { "(bad)",          { { OP_0f07, 0 } } },
1964     { "(bad)",          { { OP_0f07, 0 } } },
1965   },
1966   /* GRPPADLCK2 */
1967   {
1968     { "montmul",        { { OP_0f07, 0 } } },
1969     { "xsha1",          { { OP_0f07, 0 } } },
1970     { "xsha256",        { { OP_0f07, 0 } } },
1971     { "(bad)",          { { OP_0f07, 0 } } },
1972     { "(bad)",          { { OP_0f07, 0 } } },
1973     { "(bad)",          { { OP_0f07, 0 } } },
1974     { "(bad)",          { { OP_0f07, 0 } } },
1975     { "(bad)",          { { OP_0f07, 0 } } },
1976   }
1977 };
1978
1979 static const struct dis386 prefix_user_table[][4] = {
1980   /* PREGRP0 */
1981   {
1982     { "addps", { XM, EXx } },
1983     { "addss", { XM, EXd } },
1984     { "addpd", { XM, EXx } },
1985     { "addsd", { XM, EXq } },
1986   },
1987   /* PREGRP1 */
1988   {
1989     { "", { XM, EXx, OPSIMD } },        /* See OP_SIMD_SUFFIX.  */
1990     { "", { XM, EXx, OPSIMD } },
1991     { "", { XM, EXx, OPSIMD } },
1992     { "", { XM, EXx, OPSIMD } },
1993   },
1994   /* PREGRP2 */
1995   {
1996     { "cvtpi2ps", { XM, EMC } },
1997     { "cvtsi2ssY", { XM, Ev } },
1998     { "cvtpi2pd", { XM, EMC } },
1999     { "cvtsi2sdY", { XM, Ev } },
2000   },
2001   /* PREGRP3 */
2002   {
2003     { "cvtps2pi", { MXC, EXx } },
2004     { "cvtss2siY", { Gv, EXx } },
2005     { "cvtpd2pi", { MXC, EXx } },
2006     { "cvtsd2siY", { Gv, EXx } },
2007   },
2008   /* PREGRP4 */
2009   {
2010     { "cvttps2pi", { MXC, EXx } },
2011     { "cvttss2siY", { Gv, EXx } },
2012     { "cvttpd2pi", { MXC, EXx } },
2013     { "cvttsd2siY", { Gv, EXx } },
2014   },
2015   /* PREGRP5 */
2016   {
2017     { "divps",  { XM, EXx } },
2018     { "divss",  { XM, EXx } },
2019     { "divpd",  { XM, EXx } },
2020     { "divsd",  { XM, EXx } },
2021   },
2022   /* PREGRP6 */
2023   {
2024     { "maxps",  { XM, EXx } },
2025     { "maxss",  { XM, EXx } },
2026     { "maxpd",  { XM, EXx } },
2027     { "maxsd",  { XM, EXx } },
2028   },
2029   /* PREGRP7 */
2030   {
2031     { "minps",  { XM, EXx } },
2032     { "minss",  { XM, EXx } },
2033     { "minpd",  { XM, EXx } },
2034     { "minsd",  { XM, EXx } },
2035   },
2036   /* PREGRP8 */
2037   {
2038     { "movups", { XM, EXx } },
2039     { "movss",  { XM, EXx } },
2040     { "movupd", { XM, EXx } },
2041     { "movsd",  { XM, EXx } },
2042   },
2043   /* PREGRP9 */
2044   {
2045     { "movups", { EXx,  XM } },
2046     { "movss",  { EXx,  XM } },
2047     { "movupd", { EXx,  XM } },
2048     { "movsd",  { EXx,  XM } },
2049   },
2050   /* PREGRP10 */
2051   {
2052     { "mulps",  { XM, EXx } },
2053     { "mulss",  { XM, EXx } },
2054     { "mulpd",  { XM, EXx } },
2055     { "mulsd",  { XM, EXx } },
2056   },
2057   /* PREGRP11 */
2058   {
2059     { "rcpps",  { XM, EXx } },
2060     { "rcpss",  { XM, EXx } },
2061     { "(bad)",  { XM, EXx } },
2062     { "(bad)",  { XM, EXx } },
2063   },
2064   /* PREGRP12 */
2065   {
2066     { "rsqrtps",{ XM, EXx } },
2067     { "rsqrtss",{ XM, EXx } },
2068     { "(bad)",  { XM, EXx } },
2069     { "(bad)",  { XM, EXx } },
2070   },
2071   /* PREGRP13 */
2072   {
2073     { "sqrtps", { XM, EXx } },
2074     { "sqrtss", { XM, EXx } },
2075     { "sqrtpd", { XM, EXx } },
2076     { "sqrtsd", { XM, EXx } },
2077   },
2078   /* PREGRP14 */
2079   {
2080     { "subps",  { XM, EXx } },
2081     { "subss",  { XM, EXx } },
2082     { "subpd",  { XM, EXx } },
2083     { "subsd",  { XM, EXx } },
2084   },
2085   /* PREGRP15 */
2086   {
2087     { "(bad)",  { XM, EXx } },
2088     { "cvtdq2pd", { XM, EXq } },
2089     { "cvttpd2dq", { XM, EXx } },
2090     { "cvtpd2dq", { XM, EXx } },
2091   },
2092   /* PREGRP16 */
2093   {
2094     { "cvtdq2ps", { XM, EXx } },
2095     { "cvttps2dq", { XM, EXx } },
2096     { "cvtps2dq", { XM, EXx } },
2097     { "(bad)",  { XM, EXx } },
2098   },
2099   /* PREGRP17 */
2100   {
2101     { "cvtps2pd", { XM, EXq } },
2102     { "cvtss2sd", { XM, EXx } },
2103     { "cvtpd2ps", { XM, EXx } },
2104     { "cvtsd2ss", { XM, EXx } },
2105   },
2106   /* PREGRP18 */
2107   {
2108     { "maskmovq", { MX, MS } },
2109     { "(bad)",  { XM, EXx } },
2110     { "maskmovdqu", { XM, XS } },
2111     { "(bad)",  { XM, EXx } },
2112   },
2113   /* PREGRP19 */
2114   {
2115     { "movq",   { MX, EM } },
2116     { "movdqu", { XM, EXx } },
2117     { "movdqa", { XM, EXx } },
2118     { "(bad)",  { XM, EXx } },
2119   },
2120   /* PREGRP20 */
2121   {
2122     { "movq",   { EM, MX } },
2123     { "movdqu", { EXx,  XM } },
2124     { "movdqa", { EXx,  XM } },
2125     { "(bad)",  { EXx,  XM } },
2126   },
2127   /* PREGRP21 */
2128   {
2129     { "(bad)",  { EXx,  XM } },
2130     { "movq2dq",{ XM, MS } },
2131     { "movq",   { EXx,  XM } },
2132     { "movdq2q",{ MX, XS } },
2133   },
2134   /* PREGRP22 */
2135   {
2136     { "pshufw", { MX, EM, Ib } },
2137     { "pshufhw",{ XM, EXx, Ib } },
2138     { "pshufd", { XM, EXx, Ib } },
2139     { "pshuflw",{ XM, EXx, Ib } },
2140   },
2141   /* PREGRP23 */
2142   {
2143     { "movd",   { Edq, MX } },
2144     { "movq",   { XM, EXx } },
2145     { "movd",   { Edq, XM } },
2146     { "(bad)",  { Ed, XM } },
2147   },
2148   /* PREGRP24 */
2149   {
2150     { "(bad)",  { MX, EXx } },
2151     { "(bad)",  { XM, EXx } },
2152     { "punpckhqdq", { XM, EXx } },
2153     { "(bad)",  { XM, EXx } },
2154   },
2155   /* PREGRP25 */
2156   {
2157     { "movntq", { EM, MX } },
2158     { "(bad)",  { EM, XM } },
2159     { "movntdq",{ EM, XM } },
2160     { "(bad)",  { EM, XM } },
2161   },
2162   /* PREGRP26 */
2163   {
2164     { "(bad)",  { MX, EXx } },
2165     { "(bad)",  { XM, EXx } },
2166     { "punpcklqdq", { XM, EXx } },
2167     { "(bad)",  { XM, EXx } },
2168   },
2169   /* PREGRP27 */
2170   {
2171     { "(bad)",  { MX, EXx } },
2172     { "(bad)",  { XM, EXx } },
2173     { "addsubpd", { XM, EXx } },
2174     { "addsubps", { XM, EXx } },
2175   },
2176   /* PREGRP28 */
2177   {
2178     { "(bad)",  { MX, EXx } },
2179     { "(bad)",  { XM, EXx } },
2180     { "haddpd", { XM, EXx } },
2181     { "haddps", { XM, EXx } },
2182   },
2183   /* PREGRP29 */
2184   {
2185     { "(bad)",  { MX, EXx } },
2186     { "(bad)",  { XM, EXx } },
2187     { "hsubpd", { XM, EXx } },
2188     { "hsubps", { XM, EXx } },
2189   },
2190   /* PREGRP30 */
2191   {
2192     { "movlpX", { XM, EXq, { SIMD_Fixup, 'h' } } }, /* really only 2 operands */
2193     { "movsldup", { XM, EXx } },
2194     { "movlpd", { XM, EXq } },
2195     { "movddup", { XM, EXq } },
2196   },
2197   /* PREGRP31 */
2198   {
2199     { "movhpX", { XM, EXq, { SIMD_Fixup, 'l' } } },
2200     { "movshdup", { XM, EXx } },
2201     { "movhpd", { XM, EXq } },
2202     { "(bad)",  { XM, EXq } },
2203   },
2204   /* PREGRP32 */
2205   {
2206     { "(bad)",  { XM, EXx } },
2207     { "(bad)",  { XM, EXx } },
2208     { "(bad)",  { XM, EXx } },
2209     { "lddqu",  { XM, M } },
2210   },
2211   /* PREGRP33 */
2212   {
2213     {"movntps", { Ev, XM } },
2214     {"movntss", { Ev, XM } },
2215     {"movntpd", { Ev, XM } },
2216     {"movntsd", { Ev, XM } },
2217   },
2218
2219   /* PREGRP34 */
2220   {
2221     {"vmread",  { Em, Gm } },
2222     {"(bad)",   { XX } },
2223     {"extrq",   { XS, Ib, Ib } },
2224     {"insertq", { XM, XS, Ib, Ib } },
2225   },
2226
2227  /* PREGRP35 */
2228   {
2229     {"vmwrite", { Gm, Em } },
2230     {"(bad)",   { XX } },
2231     {"extrq",   { XM, XS } },
2232     {"insertq", { XM, XS } },
2233   },
2234
2235   /* PREGRP36 */
2236   {
2237     { "bsrS",   { Gv, Ev } },
2238     { "lzcntS", { Gv, Ev } },
2239     { "bsrS",   { Gv, Ev } },
2240     { "(bad)",  { XX } },
2241   },
2242
2243   /* PREGRP37 */
2244   {
2245     { "(bad)", { XX } },
2246     { "popcntS", { Gv, Ev } },
2247     { "(bad)", { XX } },
2248     { "(bad)", { XX } },
2249   },
2250
2251   /* PREGRP38 */
2252   {
2253     { "xchgS", { { NOP_Fixup1, eAX_reg }, { NOP_Fixup2, eAX_reg } } },
2254     { "pause", { XX } },
2255     { "xchgS", { { NOP_Fixup1, eAX_reg }, { NOP_Fixup2, eAX_reg } } },
2256     { "(bad)", { XX } },
2257   },
2258
2259   /* PREGRP39 */
2260   {
2261     { "(bad)",  { XX } },
2262     { "(bad)",  { XX } },
2263     { "pblendvb", {XM, EXx, XMM0 } },
2264     { "(bad)",  { XX } },
2265   },
2266
2267   /* PREGRP40 */
2268   {
2269     { "(bad)",  { XX } },
2270     { "(bad)",  { XX } },
2271     { "blendvps", {XM, EXx, XMM0 } },
2272     { "(bad)",  { XX } },
2273   },
2274
2275   /* PREGRP41 */
2276   {
2277     { "(bad)",  { XX } },
2278     { "(bad)",  { XX } },
2279     { "blendvpd", { XM, EXx, XMM0 } },
2280     { "(bad)",  { XX } },
2281   },
2282
2283   /* PREGRP42 */
2284   {
2285     { "(bad)",  { XX } },
2286     { "(bad)",  { XX } },
2287     { "ptest",  { XM, EXx } },
2288     { "(bad)",  { XX } },
2289   },
2290
2291   /* PREGRP43 */
2292   {
2293     { "(bad)",  { XX } },
2294     { "(bad)",  { XX } },
2295     { "pmovsxbw", { XM, EXx } },
2296     { "(bad)",  { XX } },
2297   },
2298
2299   /* PREGRP44 */
2300   {
2301     { "(bad)",  { XX } },
2302     { "(bad)",  { XX } },
2303     { "pmovsxbd", { XM, EXx } },
2304     { "(bad)",  { XX } },
2305   },
2306
2307   /* PREGRP45 */
2308   {
2309     { "(bad)",  { XX } },
2310     { "(bad)",  { XX } },
2311     { "pmovsxbq", { XM, EXx } },
2312     { "(bad)",  { XX } },
2313   },
2314
2315   /* PREGRP46 */
2316   {
2317     { "(bad)",  { XX } },
2318     { "(bad)",  { XX } },
2319     { "pmovsxwd", { XM, EXx } },
2320     { "(bad)",  { XX } },
2321   },
2322
2323   /* PREGRP47 */
2324   {
2325     { "(bad)",  { XX } },
2326     { "(bad)",  { XX } },
2327     { "pmovsxwq", { XM, EXx } },
2328     { "(bad)",  { XX } },
2329   },
2330
2331   /* PREGRP48 */
2332   {
2333     { "(bad)",  { XX } },
2334     { "(bad)",  { XX } },
2335     { "pmovsxdq", { XM, EXx } },
2336     { "(bad)",  { XX } },
2337   },
2338
2339   /* PREGRP49 */
2340   {
2341     { "(bad)",  { XX } },
2342     { "(bad)",  { XX } },
2343     { "pmuldq", { XM, EXx } },
2344     { "(bad)",  { XX } },
2345   },
2346
2347   /* PREGRP50 */
2348   {
2349     { "(bad)",  { XX } },
2350     { "(bad)",  { XX } },
2351     { "pcmpeqq", { XM, EXx } },
2352     { "(bad)",  { XX } },
2353   },
2354
2355   /* PREGRP51 */
2356   {
2357     { "(bad)",  { XX } },
2358     { "(bad)",  { XX } },
2359     { "movntdqa", { XM, EM } },
2360     { "(bad)",  { XX } },
2361   },
2362
2363   /* PREGRP52 */
2364   {
2365     { "(bad)",  { XX } },
2366     { "(bad)",  { XX } },
2367     { "packusdw", { XM, EXx } },
2368     { "(bad)",  { XX } },
2369   },
2370
2371   /* PREGRP53 */
2372   {
2373     { "(bad)",  { XX } },
2374     { "(bad)",  { XX } },
2375     { "pmovzxbw", { XM, EXx } },
2376     { "(bad)",  { XX } },
2377   },
2378
2379   /* PREGRP54 */
2380   {
2381     { "(bad)",  { XX } },
2382     { "(bad)",  { XX } },
2383     { "pmovzxbd", { XM, EXx } },
2384     { "(bad)",  { XX } },
2385   },
2386
2387   /* PREGRP55 */
2388   {
2389     { "(bad)",  { XX } },
2390     { "(bad)",  { XX } },
2391     { "pmovzxbq", { XM, EXx } },
2392     { "(bad)",  { XX } },
2393   },
2394
2395   /* PREGRP56 */
2396   {
2397     { "(bad)",  { XX } },
2398     { "(bad)",  { XX } },
2399     { "pmovzxwd", { XM, EXx } },
2400     { "(bad)",  { XX } },
2401   },
2402
2403   /* PREGRP57 */
2404   {
2405     { "(bad)",  { XX } },
2406     { "(bad)",  { XX } },
2407     { "pmovzxwq", { XM, EXx } },
2408     { "(bad)",  { XX } },
2409   },
2410
2411   /* PREGRP58 */
2412   {
2413     { "(bad)",  { XX } },
2414     { "(bad)",  { XX } },
2415     { "pmovzxdq", { XM, EXx } },
2416     { "(bad)",  { XX } },
2417   },
2418
2419   /* PREGRP59 */
2420   {
2421     { "(bad)",  { XX } },
2422     { "(bad)",  { XX } },
2423     { "pminsb", { XM, EXx } },
2424     { "(bad)",  { XX } },
2425   },
2426
2427   /* PREGRP60 */
2428   {
2429     { "(bad)",  { XX } },
2430     { "(bad)",  { XX } },
2431     { "pminsd", { XM, EXx } },
2432     { "(bad)",  { XX } },
2433   },
2434
2435   /* PREGRP61 */
2436   {
2437     { "(bad)",  { XX } },
2438     { "(bad)",  { XX } },
2439     { "pminuw", { XM, EXx } },
2440     { "(bad)",  { XX } },
2441   },
2442
2443   /* PREGRP62 */
2444   {
2445     { "(bad)",  { XX } },
2446     { "(bad)",  { XX } },
2447     { "pminud", { XM, EXx } },
2448     { "(bad)",  { XX } },
2449   },
2450
2451   /* PREGRP63 */
2452   {
2453     { "(bad)",  { XX } },
2454     { "(bad)",  { XX } },
2455     { "pmaxsb", { XM, EXx } },
2456     { "(bad)",  { XX } },
2457   },
2458
2459   /* PREGRP64 */
2460   {
2461     { "(bad)",  { XX } },
2462     { "(bad)",  { XX } },
2463     { "pmaxsd", { XM, EXx } },
2464     { "(bad)",  { XX } },
2465   },
2466
2467   /* PREGRP65 */
2468   {
2469     { "(bad)",  { XX } },
2470     { "(bad)",  { XX } },
2471     { "pmaxuw", { XM, EXx } },
2472     { "(bad)",  { XX } },
2473   },
2474
2475   /* PREGRP66 */
2476   {
2477     { "(bad)",  { XX } },
2478     { "(bad)",  { XX } },
2479     { "pmaxud", { XM, EXx } },
2480     { "(bad)",  { XX } },
2481   },
2482
2483   /* PREGRP67 */
2484   {
2485     { "(bad)",  { XX } },
2486     { "(bad)",  { XX } },
2487     { "pmulld", { XM, EXx } },
2488     { "(bad)",  { XX } },
2489   },
2490
2491   /* PREGRP68 */
2492   {
2493     { "(bad)",  { XX } },
2494     { "(bad)",  { XX } },
2495     { "phminposuw", { XM, EXx } },
2496     { "(bad)",  { XX } },
2497   },
2498
2499   /* PREGRP69 */
2500   {
2501     { "(bad)",  { XX } },
2502     { "(bad)",  { XX } },
2503     { "roundps", { XM, EXx, Ib } },
2504     { "(bad)",  { XX } },
2505   },
2506
2507   /* PREGRP70 */
2508   {
2509     { "(bad)",  { XX } },
2510     { "(bad)",  { XX } },
2511     { "roundpd", { XM, EXx, Ib } },
2512     { "(bad)",  { XX } },
2513   },
2514
2515   /* PREGRP71 */
2516   {
2517     { "(bad)",  { XX } },
2518     { "(bad)",  { XX } },
2519     { "roundss", { XM, EXx, Ib } },
2520     { "(bad)",  { XX } },
2521   },
2522
2523   /* PREGRP72 */
2524   {
2525     { "(bad)",  { XX } },
2526     { "(bad)",  { XX } },
2527     { "roundsd", { XM, EXx, Ib } },
2528     { "(bad)",  { XX } },
2529   },
2530
2531   /* PREGRP73 */
2532   {
2533     { "(bad)",  { XX } },
2534     { "(bad)",  { XX } },
2535     { "blendps", { XM, EXx, Ib } },
2536     { "(bad)",  { XX } },
2537   },
2538
2539   /* PREGRP74 */
2540   {
2541     { "(bad)",  { XX } },
2542     { "(bad)",  { XX } },
2543     { "blendpd", { XM, EXx, Ib } },
2544     { "(bad)",  { XX } },
2545   },
2546
2547   /* PREGRP75 */
2548   {
2549     { "(bad)",  { XX } },
2550     { "(bad)",  { XX } },
2551     { "pblendw", { XM, EXx, Ib } },
2552     { "(bad)",  { XX } },
2553   },
2554
2555   /* PREGRP76 */
2556   {
2557     { "(bad)",  { XX } },
2558     { "(bad)",  { XX } },
2559     { "pextrb", { Edqb, XM, Ib } },
2560     { "(bad)",  { XX } },
2561   },
2562
2563   /* PREGRP77 */
2564   {
2565     { "(bad)",  { XX } },
2566     { "(bad)",  { XX } },
2567     { "pextrw", { Edqw, XM, Ib } },
2568     { "(bad)",  { XX } },
2569   },
2570
2571   /* PREGRP78 */
2572   {
2573     { "(bad)",  { XX } },
2574     { "(bad)",  { XX } },
2575     { "pextrK", { Edq, XM, Ib } },
2576     { "(bad)",  { XX } },
2577   },
2578
2579   /* PREGRP79 */
2580   {
2581     { "(bad)",  { XX } },
2582     { "(bad)",  { XX } },
2583     { "extractps", { Edqd, XM, Ib } },
2584     { "(bad)",  { XX } },
2585   },
2586
2587   /* PREGRP80 */
2588   {
2589     { "(bad)",  { XX } },
2590     { "(bad)",  { XX } },
2591     { "pinsrb", { XM, Edqb, Ib } },
2592     { "(bad)",  { XX } },
2593   },
2594
2595   /* PREGRP81 */
2596   {
2597     { "(bad)",  { XX } },
2598     { "(bad)",  { XX } },
2599     { "insertps", { XM, EXx, Ib } },
2600     { "(bad)",  { XX } },
2601   },
2602
2603   /* PREGRP82 */
2604   {
2605     { "(bad)",  { XX } },
2606     { "(bad)",  { XX } },
2607     { "pinsrK", { XM, Edq, Ib } },
2608     { "(bad)",  { XX } },
2609   },
2610
2611   /* PREGRP83 */
2612   {
2613     { "(bad)",  { XX } },
2614     { "(bad)",  { XX } },
2615     { "dpps",   { XM, EXx, Ib } },
2616     { "(bad)",  { XX } },
2617   },
2618
2619   /* PREGRP84 */
2620   {
2621     { "(bad)",  { XX } },
2622     { "(bad)",  { XX } },
2623     { "dppd",   { XM, EXx, Ib } },
2624     { "(bad)",  { XX } },
2625   },
2626
2627   /* PREGRP85 */
2628   {
2629     { "(bad)",  { XX } },
2630     { "(bad)",  { XX } },
2631     { "mpsadbw", { XM, EXx, Ib } },
2632     { "(bad)",  { XX } },
2633   },
2634
2635   /* PREGRP86 */
2636   {
2637     { "(bad)",  { XX } },
2638     { "(bad)",  { XX } },
2639     { "pcmpgtq", { XM, EXx } },
2640     { "(bad)",  { XX } },
2641   },
2642
2643   /* PREGRP87 */
2644   {
2645     { "movbe",  { Gv, Ev } },
2646     { "(bad)",  { XX } },
2647     { "movbe",  { Gv, Ev } },
2648     { "crc32",  { Gdq, { CRC32_Fixup, b_mode } } },
2649   },
2650
2651   /* PREGRP88 */
2652   {
2653     { "movbe",  { Ev, Gv } },
2654     { "(bad)",  { XX } },
2655     { "movbe",  { Ev, Gv } },
2656     { "crc32",  { Gdq, { CRC32_Fixup, v_mode } } },
2657   },
2658
2659   /* PREGRP89 */
2660   {
2661     { "(bad)",  { XX } },
2662     { "(bad)",  { XX } },
2663     { "pcmpestrm", { XM, EXx, Ib } },
2664     { "(bad)",  { XX } },
2665   },
2666
2667   /* PREGRP90 */
2668   {
2669     { "(bad)",  { XX } },
2670     { "(bad)",  { XX } },
2671     { "pcmpestri", { XM, EXx, Ib } },
2672     { "(bad)",  { XX } },
2673   },
2674
2675   /* PREGRP91 */
2676   {
2677     { "(bad)",  { XX } },
2678     { "(bad)",  { XX } },
2679     { "pcmpistrm", { XM, EXx, Ib } },
2680     { "(bad)",  { XX } },
2681   },
2682
2683   /* PREGRP92 */
2684   {
2685     { "(bad)",  { XX } },
2686     { "(bad)",  { XX } },
2687     { "pcmpistri", { XM, EXx, Ib } },
2688     { "(bad)",  { XX } },
2689   },
2690
2691   /* PREGRP93 */
2692   {
2693     { "ucomiss",{ XM, EXd } },
2694     { "(bad)",  { XX } },
2695     { "ucomisd",{ XM, EXq } },
2696     { "(bad)",  { XX } },
2697   },
2698
2699   /* PREGRP94 */
2700   {
2701     { "comiss", { XM, EXd } },
2702     { "(bad)",  { XX } },
2703     { "comisd", { XM, EXq } },
2704     { "(bad)",  { XX } },
2705   },
2706
2707   /* PREGRP95 */
2708   {
2709     { "punpcklbw",{ MX, EMd } },
2710     { "(bad)",  { XX } },
2711     { "punpcklbw",{ MX, EMq } },
2712     { "(bad)",  { XX } },
2713   },
2714
2715   /* PREGRP96 */
2716   {
2717     { "punpcklwd",{ MX, EMd } },
2718     { "(bad)",  { XX } },
2719     { "punpcklwd",{ MX, EMq } },
2720     { "(bad)",  { XX } },
2721   },
2722
2723   /* PREGRP97 */
2724   {
2725     { "punpckldq",{ MX, EMd } },
2726     { "(bad)",  { XX } },
2727     { "punpckldq",{ MX, EMq } },
2728     { "(bad)",  { XX } },
2729   },
2730
2731   /* PREGRP98 */
2732   {
2733     { "(bad)",  { XX } },
2734     { "(bad)",  { XX } },
2735     { "pclmulqdq", { XM, EXx, Ib } },
2736     { "(bad)",  { XX } },
2737   },
2738
2739   /* PREGRP99 */
2740   {
2741     { "(bad)",  { XX } },
2742     { "(bad)",  { XX } },
2743     { "aesimc", { XM, EXx } },
2744     { "(bad)",  { XX } },
2745   },
2746
2747   /* PREGRP100 */
2748   {
2749     { "(bad)",  { XX } },
2750     { "(bad)",  { XX } },
2751     { "aesenc", { XM, EXx } },
2752     { "(bad)",  { XX } },
2753   },
2754
2755   /* PREGRP101 */
2756   {
2757     { "(bad)",  { XX } },
2758     { "(bad)",  { XX } },
2759     { "aesenclast", { XM, EXx } },
2760     { "(bad)",  { XX } },
2761   },
2762
2763   /* PREGRP102 */
2764   {
2765     { "(bad)",  { XX } },
2766     { "(bad)",  { XX } },
2767     { "aesdec", { XM, EXx } },
2768     { "(bad)",  { XX } },
2769   },
2770
2771   /* PREGRP103 */
2772   {
2773     { "(bad)",  { XX } },
2774     { "(bad)",  { XX } },
2775     { "aesdeclast", { XM, EXx } },
2776     { "(bad)",  { XX } },
2777   },
2778
2779   /* PREGRP104 */
2780   {
2781     { "(bad)",  { XX } },
2782     { "(bad)",  { XX } },
2783     { "aeskeygenassist", { XM, EXx, Ib } },
2784     { "(bad)",  { XX } },
2785   },
2786
2787   /* PREGRP105 */
2788   {
2789     { "andnS",  { Gv, Bv, Ev } },
2790     { "(bad)",  { XX } },
2791     { "(bad)",  { XX } },
2792     { "(bad)",  { XX } },
2793   },
2794
2795   /* PREGRP106 */
2796   {
2797     { "bextrS", { Gv, Ev, Bv } },
2798     { "sarxS",  { Gv, Ev, Bv } },
2799     { "shlxS",  { Gv, Ev, Bv } },
2800     { "shrxS",  { Gv, Ev, Bv } },
2801   },
2802
2803 };
2804
2805 static const struct dis386 x86_64_table[][2] = {
2806   {
2807     { "pusha{P|}", { XX } },
2808     { "(bad)", { XX } },
2809   },
2810   {
2811     { "popa{P|}", { XX } },
2812     { "(bad)", { XX } },
2813   },
2814   {
2815     { "bound{S|}", { Gv, Ma } },
2816     { "(bad)", { XX } },
2817   },
2818   {
2819     { "arpl", { Ew, Gw } },
2820     { "movs{||lq|xd}", { Gv, Ed } },
2821   },
2822 };
2823
2824 static const struct dis386 three_byte_table[][256] = {
2825   /* THREE_BYTE_0 */
2826   {
2827     /* 00 */
2828     { "pshufb", { MX, EM } },
2829     { "phaddw", { MX, EM } },
2830     { "phaddd", { MX, EM } },
2831     { "phaddsw", { MX, EM } },
2832     { "pmaddubsw", { MX, EM } },
2833     { "phsubw", { MX, EM } },
2834     { "phsubd", { MX, EM } },
2835     { "phsubsw", { MX, EM } },
2836     /* 08 */
2837     { "psignb", { MX, EM } },
2838     { "psignw", { MX, EM } },
2839     { "psignd", { MX, EM } },
2840     { "pmulhrsw", { MX, EM } },
2841     { "(bad)", { XX } },
2842     { "(bad)", { XX } },
2843     { "(bad)", { XX } },
2844     { "(bad)", { XX } },
2845     /* 10 */
2846     { PREGRP39 },
2847     { "(bad)", { XX } },
2848     { "(bad)", { XX } },
2849     { "(bad)", { XX } },
2850     { PREGRP40 },
2851     { PREGRP41 },
2852     { "(bad)", { XX } },
2853     { PREGRP42 },
2854     /* 18 */
2855     { "(bad)", { XX } },
2856     { "(bad)", { XX } },
2857     { "(bad)", { XX } },
2858     { "(bad)", { XX } },
2859     { "pabsb", { MX, EM } },
2860     { "pabsw", { MX, EM } },
2861     { "pabsd", { MX, EM } },
2862     { "(bad)"