1 /* Print i386 instructions for GDB, the GNU debugger.
2 Copyright 1988, 1989, 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
3 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
21 /* 80386 instruction printer by Pace Willisson (pace@prep.ai.mit.edu)
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). */
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. */
42 #ifndef UNIXWARE_COMPAT
43 /* Set non-zero for broken, compatible instructions. Set to zero for
44 non-broken opcodes. */
45 #define UNIXWARE_COMPAT 1
48 static int fetch_data (struct disassemble_info
*, bfd_byte
*);
49 static void ckprefix (void);
50 static const char *prefix_name (int, int);
51 static int print_insn (bfd_vma
, disassemble_info
*);
52 static void dofloat (int);
53 static void OP_ST (int, int);
54 static void OP_STi (int, int);
55 static int putop (const char *, int);
56 static void oappend (const char *);
57 static void append_seg (void);
58 static void OP_indirE (int, int);
59 static void print_operand_value (char *, int, bfd_vma
);
60 static void OP_E (int, int);
61 static void OP_G (int, int);
62 static bfd_vma
get64 (void);
63 static bfd_signed_vma
get32 (void);
64 static bfd_signed_vma
get32s (void);
65 static int get16 (void);
66 static void set_op (bfd_vma
, int);
67 static void OP_REG (int, int);
68 static void OP_IMREG (int, int);
69 static void OP_I (int, int);
70 static void OP_I64 (int, int);
71 static void OP_sI (int, int);
72 static void OP_J (int, int);
73 static void OP_SEG (int, int);
74 static void OP_DIR (int, int);
75 static void OP_OFF (int, int);
76 static void OP_OFF64 (int, int);
77 static void ptr_reg (int, int);
78 static void OP_ESreg (int, int);
79 static void OP_DSreg (int, int);
80 static void OP_C (int, int);
81 static void OP_D (int, int);
82 static void OP_T (int, int);
83 static void OP_Rd (int, int);
84 static void OP_MMX (int, int);
85 static void OP_XMM (int, int);
86 static void OP_EM (int, int);
87 static void OP_EX (int, int);
88 static void OP_MS (int, int);
89 static void OP_XS (int, int);
90 static void OP_M (int, int);
91 static void OP_VMX (int, int);
92 static void OP_0fae (int, int);
93 static void OP_0f07 (int, int);
94 static void NOP_Fixup (int, int);
95 static void OP_3DNowSuffix (int, int);
96 static void OP_SIMD_Suffix (int, int);
97 static void SIMD_Fixup (int, int);
98 static void PNI_Fixup (int, int);
99 static void SVME_Fixup (int, int);
100 static void INVLPG_Fixup (int, int);
101 static void BadOp (void);
102 static void SEG_Fixup (int, int);
103 static void VMX_Fixup (int, int);
106 /* Points to first byte not fetched. */
107 bfd_byte
*max_fetched
;
108 bfd_byte the_buffer
[MAXLEN
];
114 /* The opcode for the fwait instruction, which we treat as a prefix
116 #define FWAIT_OPCODE (0x9b)
118 /* Set to 1 for 64bit mode disassembly. */
119 static int mode_64bit
;
121 /* Flags for the prefixes for the current instruction. See below. */
124 /* REX prefix the current instruction. See below. */
126 /* Bits of REX we've already used. */
132 /* Mark parts used in the REX prefix. When we are testing for
133 empty prefix (for 8bit register REX extension), just mask it
134 out. Otherwise test for REX bit is excuse for existence of REX
135 only in case value is nonzero. */
136 #define USED_REX(value) \
139 rex_used |= (rex & value) ? (value) | 0x40 : 0; \
144 /* Flags for prefixes which we somehow handled when printing the
145 current instruction. */
146 static int used_prefixes
;
148 /* Flags stored in PREFIXES. */
149 #define PREFIX_REPZ 1
150 #define PREFIX_REPNZ 2
151 #define PREFIX_LOCK 4
153 #define PREFIX_SS 0x10
154 #define PREFIX_DS 0x20
155 #define PREFIX_ES 0x40
156 #define PREFIX_FS 0x80
157 #define PREFIX_GS 0x100
158 #define PREFIX_DATA 0x200
159 #define PREFIX_ADDR 0x400
160 #define PREFIX_FWAIT 0x800
162 /* Make sure that bytes from INFO->PRIVATE_DATA->BUFFER (inclusive)
163 to ADDR (exclusive) are valid. Returns 1 for success, longjmps
165 #define FETCH_DATA(info, addr) \
166 ((addr) <= ((struct dis_private *) (info->private_data))->max_fetched \
167 ? 1 : fetch_data ((info), (addr)))
170 fetch_data (struct disassemble_info
*info
, bfd_byte
*addr
)
173 struct dis_private
*priv
= (struct dis_private
*) info
->private_data
;
174 bfd_vma start
= priv
->insn_start
+ (priv
->max_fetched
- priv
->the_buffer
);
176 status
= (*info
->read_memory_func
) (start
,
178 addr
- priv
->max_fetched
,
182 /* If we did manage to read at least one byte, then
183 print_insn_i386 will do something sensible. Otherwise, print
184 an error. We do that here because this is where we know
186 if (priv
->max_fetched
== priv
->the_buffer
)
187 (*info
->memory_error_func
) (status
, start
, info
);
188 longjmp (priv
->bailout
, 1);
191 priv
->max_fetched
= addr
;
197 #define Eb OP_E, b_mode
198 #define Ev OP_E, v_mode
199 #define Ed OP_E, d_mode
200 #define Eq OP_E, q_mode
201 #define Edq OP_E, dq_mode
202 #define Edqw OP_E, dqw_mode
203 #define indirEv OP_indirE, branch_v_mode
204 #define indirEp OP_indirE, f_mode
205 #define Em OP_E, m_mode
206 #define Ew OP_E, w_mode
207 #define Ma OP_E, v_mode
208 #define M OP_M, 0 /* lea, lgdt, etc. */
209 #define Mp OP_M, f_mode /* 32 or 48 bit memory operand for LDS, LES etc */
210 #define Gb OP_G, b_mode
211 #define Gv OP_G, v_mode
212 #define Gd OP_G, d_mode
213 #define Gdq OP_G, dq_mode
214 #define Gm OP_G, m_mode
215 #define Gw OP_G, w_mode
216 #define Rd OP_Rd, d_mode
217 #define Rm OP_Rd, m_mode
218 #define Ib OP_I, b_mode
219 #define sIb OP_sI, b_mode /* sign extened byte */
220 #define Iv OP_I, v_mode
221 #define Iq OP_I, q_mode
222 #define Iv64 OP_I64, v_mode
223 #define Iw OP_I, w_mode
224 #define I1 OP_I, const_1_mode
225 #define Jb OP_J, b_mode
226 #define Jv OP_J, v_mode
227 #define Cm OP_C, m_mode
228 #define Dm OP_D, m_mode
229 #define Td OP_T, d_mode
230 #define Sv SEG_Fixup, v_mode
232 #define RMeAX OP_REG, eAX_reg
233 #define RMeBX OP_REG, eBX_reg
234 #define RMeCX OP_REG, eCX_reg
235 #define RMeDX OP_REG, eDX_reg
236 #define RMeSP OP_REG, eSP_reg
237 #define RMeBP OP_REG, eBP_reg
238 #define RMeSI OP_REG, eSI_reg
239 #define RMeDI OP_REG, eDI_reg
240 #define RMrAX OP_REG, rAX_reg
241 #define RMrBX OP_REG, rBX_reg
242 #define RMrCX OP_REG, rCX_reg
243 #define RMrDX OP_REG, rDX_reg
244 #define RMrSP OP_REG, rSP_reg
245 #define RMrBP OP_REG, rBP_reg
246 #define RMrSI OP_REG, rSI_reg
247 #define RMrDI OP_REG, rDI_reg
248 #define RMAL OP_REG, al_reg
249 #define RMAL OP_REG, al_reg
250 #define RMCL OP_REG, cl_reg
251 #define RMDL OP_REG, dl_reg
252 #define RMBL OP_REG, bl_reg
253 #define RMAH OP_REG, ah_reg
254 #define RMCH OP_REG, ch_reg
255 #define RMDH OP_REG, dh_reg
256 #define RMBH OP_REG, bh_reg
257 #define RMAX OP_REG, ax_reg
258 #define RMDX OP_REG, dx_reg
260 #define eAX OP_IMREG, eAX_reg
261 #define eBX OP_IMREG, eBX_reg
262 #define eCX OP_IMREG, eCX_reg
263 #define eDX OP_IMREG, eDX_reg
264 #define eSP OP_IMREG, eSP_reg
265 #define eBP OP_IMREG, eBP_reg
266 #define eSI OP_IMREG, eSI_reg
267 #define eDI OP_IMREG, eDI_reg
268 #define AL OP_IMREG, al_reg
269 #define AL OP_IMREG, al_reg
270 #define CL OP_IMREG, cl_reg
271 #define DL OP_IMREG, dl_reg
272 #define BL OP_IMREG, bl_reg
273 #define AH OP_IMREG, ah_reg
274 #define CH OP_IMREG, ch_reg
275 #define DH OP_IMREG, dh_reg
276 #define BH OP_IMREG, bh_reg
277 #define AX OP_IMREG, ax_reg
278 #define DX OP_IMREG, dx_reg
279 #define indirDX OP_IMREG, indir_dx_reg
281 #define Sw OP_SEG, w_mode
283 #define Ob OP_OFF, b_mode
284 #define Ob64 OP_OFF64, b_mode
285 #define Ov OP_OFF, v_mode
286 #define Ov64 OP_OFF64, v_mode
287 #define Xb OP_DSreg, eSI_reg
288 #define Xv OP_DSreg, eSI_reg
289 #define Yb OP_ESreg, eDI_reg
290 #define Yv OP_ESreg, eDI_reg
291 #define DSBX OP_DSreg, eBX_reg
293 #define es OP_REG, es_reg
294 #define ss OP_REG, ss_reg
295 #define cs OP_REG, cs_reg
296 #define ds OP_REG, ds_reg
297 #define fs OP_REG, fs_reg
298 #define gs OP_REG, gs_reg
302 #define EM OP_EM, v_mode
303 #define EX OP_EX, v_mode
304 #define MS OP_MS, v_mode
305 #define XS OP_XS, v_mode
306 #define VM OP_VMX, q_mode
307 #define OPSUF OP_3DNowSuffix, 0
308 #define OPSIMD OP_SIMD_Suffix, 0
310 #define cond_jump_flag NULL, cond_jump_mode
311 #define loop_jcxz_flag NULL, loop_jcxz_mode
313 /* bits in sizeflag */
314 #define SUFFIX_ALWAYS 4
318 #define b_mode 1 /* byte operand */
319 #define v_mode 2 /* operand size depends on prefixes */
320 #define w_mode 3 /* word operand */
321 #define d_mode 4 /* double word operand */
322 #define q_mode 5 /* quad word operand */
323 #define t_mode 6 /* ten-byte operand */
324 #define x_mode 7 /* 16-byte XMM operand */
325 #define m_mode 8 /* d_mode in 32bit, q_mode in 64bit mode. */
326 #define cond_jump_mode 9
327 #define loop_jcxz_mode 10
328 #define dq_mode 11 /* operand size depends on REX prefixes. */
329 #define dqw_mode 12 /* registers like dq_mode, memory like w_mode. */
330 #define f_mode 13 /* 4- or 6-byte pointer operand */
331 #define const_1_mode 14
332 #define branch_v_mode 15 /* v_mode for branch. */
377 #define indir_dx_reg 150
381 #define USE_PREFIX_USER_TABLE 3
382 #define X86_64_SPECIAL 4
384 #define FLOAT NULL, NULL, FLOATCODE, NULL, 0, NULL, 0
386 #define GRP1b NULL, NULL, USE_GROUPS, NULL, 0, NULL, 0
387 #define GRP1S NULL, NULL, USE_GROUPS, NULL, 1, NULL, 0
388 #define GRP1Ss NULL, NULL, USE_GROUPS, NULL, 2, NULL, 0
389 #define GRP2b NULL, NULL, USE_GROUPS, NULL, 3, NULL, 0
390 #define GRP2S NULL, NULL, USE_GROUPS, NULL, 4, NULL, 0
391 #define GRP2b_one NULL, NULL, USE_GROUPS, NULL, 5, NULL, 0
392 #define GRP2S_one NULL, NULL, USE_GROUPS, NULL, 6, NULL, 0
393 #define GRP2b_cl NULL, NULL, USE_GROUPS, NULL, 7, NULL, 0
394 #define GRP2S_cl NULL, NULL, USE_GROUPS, NULL, 8, NULL, 0
395 #define GRP3b NULL, NULL, USE_GROUPS, NULL, 9, NULL, 0
396 #define GRP3S NULL, NULL, USE_GROUPS, NULL, 10, NULL, 0
397 #define GRP4 NULL, NULL, USE_GROUPS, NULL, 11, NULL, 0
398 #define GRP5 NULL, NULL, USE_GROUPS, NULL, 12, NULL, 0
399 #define GRP6 NULL, NULL, USE_GROUPS, NULL, 13, NULL, 0
400 #define GRP7 NULL, NULL, USE_GROUPS, NULL, 14, NULL, 0
401 #define GRP8 NULL, NULL, USE_GROUPS, NULL, 15, NULL, 0
402 #define GRP9 NULL, NULL, USE_GROUPS, NULL, 16, NULL, 0
403 #define GRP10 NULL, NULL, USE_GROUPS, NULL, 17, NULL, 0
404 #define GRP11 NULL, NULL, USE_GROUPS, NULL, 18, NULL, 0
405 #define GRP12 NULL, NULL, USE_GROUPS, NULL, 19, NULL, 0
406 #define GRP13 NULL, NULL, USE_GROUPS, NULL, 20, NULL, 0
407 #define GRP14 NULL, NULL, USE_GROUPS, NULL, 21, NULL, 0
408 #define GRPAMD NULL, NULL, USE_GROUPS, NULL, 22, NULL, 0
409 #define GRPPADLCK1 NULL, NULL, USE_GROUPS, NULL, 23, NULL, 0
410 #define GRPPADLCK2 NULL, NULL, USE_GROUPS, NULL, 24, NULL, 0
412 #define PREGRP0 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 0, NULL, 0
413 #define PREGRP1 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 1, NULL, 0
414 #define PREGRP2 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 2, NULL, 0
415 #define PREGRP3 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 3, NULL, 0
416 #define PREGRP4 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 4, NULL, 0
417 #define PREGRP5 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 5, NULL, 0
418 #define PREGRP6 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 6, NULL, 0
419 #define PREGRP7 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 7, NULL, 0
420 #define PREGRP8 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 8, NULL, 0
421 #define PREGRP9 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 9, NULL, 0
422 #define PREGRP10 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 10, NULL, 0
423 #define PREGRP11 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 11, NULL, 0
424 #define PREGRP12 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 12, NULL, 0
425 #define PREGRP13 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 13, NULL, 0
426 #define PREGRP14 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 14, NULL, 0
427 #define PREGRP15 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 15, NULL, 0
428 #define PREGRP16 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 16, NULL, 0
429 #define PREGRP17 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 17, NULL, 0
430 #define PREGRP18 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 18, NULL, 0
431 #define PREGRP19 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 19, NULL, 0
432 #define PREGRP20 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 20, NULL, 0
433 #define PREGRP21 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 21, NULL, 0
434 #define PREGRP22 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 22, NULL, 0
435 #define PREGRP23 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 23, NULL, 0
436 #define PREGRP24 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 24, NULL, 0
437 #define PREGRP25 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 25, NULL, 0
438 #define PREGRP26 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 26, NULL, 0
439 #define PREGRP27 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 27, NULL, 0
440 #define PREGRP28 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 28, NULL, 0
441 #define PREGRP29 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 29, NULL, 0
442 #define PREGRP30 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 30, NULL, 0
443 #define PREGRP31 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 31, NULL, 0
444 #define PREGRP32 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 32, NULL, 0
446 #define X86_64_0 NULL, NULL, X86_64_SPECIAL, NULL, 0, NULL, 0
448 typedef void (*op_rtn
) (int bytemode
, int sizeflag
);
460 /* Upper case letters in the instruction names here are macros.
461 'A' => print 'b' if no register operands or suffix_always is true
462 'B' => print 'b' if suffix_always is true
463 'C' => print 's' or 'l' ('w' or 'd' in Intel mode) depending on operand
465 'E' => print 'e' if 32-bit form of jcxz
466 'F' => print 'w' or 'l' depending on address size prefix (loop insns)
467 'H' => print ",pt" or ",pn" branch hint
468 'I' => honor following macro letter even in Intel mode (implemented only
469 . for some of the macro letters)
471 'L' => print 'l' if suffix_always is true
472 'N' => print 'n' if instruction has no wait "prefix"
473 'O' => print 'd', or 'o'
474 'P' => print 'w', 'l' or 'q' if instruction has an operand size prefix,
475 . or suffix_always is true. print 'q' if rex prefix is present.
476 'Q' => print 'w', 'l' or 'q' if no register operands or suffix_always
478 'R' => print 'w', 'l' or 'q' ("wd" or "dq" in intel mode)
479 'S' => print 'w', 'l' or 'q' if suffix_always is true
480 'T' => print 'q' in 64bit mode and behave as 'P' otherwise
481 'U' => print 'q' in 64bit mode and behave as 'Q' otherwise
482 'W' => print 'b' or 'w' ("w" or "de" in intel mode)
483 'X' => print 's', 'd' depending on data16 prefix (for XMM)
484 'Y' => 'q' if instruction has an REX 64bit overwrite prefix
486 Many of the above letters print nothing in Intel mode. See "putop"
489 Braces '{' and '}', and vertical bars '|', indicate alternative
490 mnemonic strings for AT&T, Intel, X86_64 AT&T, and X86_64 Intel
491 modes. In cases where there are only two alternatives, the X86_64
492 instruction is reserved, and "(bad)" is printed.
495 static const struct dis386 dis386
[] = {
497 { "addB", Eb
, Gb
, XX
},
498 { "addS", Ev
, Gv
, XX
},
499 { "addB", Gb
, Eb
, XX
},
500 { "addS", Gv
, Ev
, XX
},
501 { "addB", AL
, Ib
, XX
},
502 { "addS", eAX
, Iv
, XX
},
503 { "push{T|}", es
, XX
, XX
},
504 { "pop{T|}", es
, XX
, XX
},
506 { "orB", Eb
, Gb
, XX
},
507 { "orS", Ev
, Gv
, XX
},
508 { "orB", Gb
, Eb
, XX
},
509 { "orS", Gv
, Ev
, XX
},
510 { "orB", AL
, Ib
, XX
},
511 { "orS", eAX
, Iv
, XX
},
512 { "push{T|}", cs
, XX
, XX
},
513 { "(bad)", XX
, XX
, XX
}, /* 0x0f extended opcode escape */
515 { "adcB", Eb
, Gb
, XX
},
516 { "adcS", Ev
, Gv
, XX
},
517 { "adcB", Gb
, Eb
, XX
},
518 { "adcS", Gv
, Ev
, XX
},
519 { "adcB", AL
, Ib
, XX
},
520 { "adcS", eAX
, Iv
, XX
},
521 { "push{T|}", ss
, XX
, XX
},
522 { "popT|}", ss
, XX
, XX
},
524 { "sbbB", Eb
, Gb
, XX
},
525 { "sbbS", Ev
, Gv
, XX
},
526 { "sbbB", Gb
, Eb
, XX
},
527 { "sbbS", Gv
, Ev
, XX
},
528 { "sbbB", AL
, Ib
, XX
},
529 { "sbbS", eAX
, Iv
, XX
},
530 { "push{T|}", ds
, XX
, XX
},
531 { "pop{T|}", ds
, XX
, XX
},
533 { "andB", Eb
, Gb
, XX
},
534 { "andS", Ev
, Gv
, XX
},
535 { "andB", Gb
, Eb
, XX
},
536 { "andS", Gv
, Ev
, XX
},
537 { "andB", AL
, Ib
, XX
},
538 { "andS", eAX
, Iv
, XX
},
539 { "(bad)", XX
, XX
, XX
}, /* SEG ES prefix */
540 { "daa{|}", XX
, XX
, XX
},
542 { "subB", Eb
, Gb
, XX
},
543 { "subS", Ev
, Gv
, XX
},
544 { "subB", Gb
, Eb
, XX
},
545 { "subS", Gv
, Ev
, XX
},
546 { "subB", AL
, Ib
, XX
},
547 { "subS", eAX
, Iv
, XX
},
548 { "(bad)", XX
, XX
, XX
}, /* SEG CS prefix */
549 { "das{|}", XX
, XX
, XX
},
551 { "xorB", Eb
, Gb
, XX
},
552 { "xorS", Ev
, Gv
, XX
},
553 { "xorB", Gb
, Eb
, XX
},
554 { "xorS", Gv
, Ev
, XX
},
555 { "xorB", AL
, Ib
, XX
},
556 { "xorS", eAX
, Iv
, XX
},
557 { "(bad)", XX
, XX
, XX
}, /* SEG SS prefix */
558 { "aaa{|}", XX
, XX
, XX
},
560 { "cmpB", Eb
, Gb
, XX
},
561 { "cmpS", Ev
, Gv
, XX
},
562 { "cmpB", Gb
, Eb
, XX
},
563 { "cmpS", Gv
, Ev
, XX
},
564 { "cmpB", AL
, Ib
, XX
},
565 { "cmpS", eAX
, Iv
, XX
},
566 { "(bad)", XX
, XX
, XX
}, /* SEG DS prefix */
567 { "aas{|}", XX
, XX
, XX
},
569 { "inc{S|}", RMeAX
, XX
, XX
},
570 { "inc{S|}", RMeCX
, XX
, XX
},
571 { "inc{S|}", RMeDX
, XX
, XX
},
572 { "inc{S|}", RMeBX
, XX
, XX
},
573 { "inc{S|}", RMeSP
, XX
, XX
},
574 { "inc{S|}", RMeBP
, XX
, XX
},
575 { "inc{S|}", RMeSI
, XX
, XX
},
576 { "inc{S|}", RMeDI
, XX
, XX
},
578 { "dec{S|}", RMeAX
, XX
, XX
},
579 { "dec{S|}", RMeCX
, XX
, XX
},
580 { "dec{S|}", RMeDX
, XX
, XX
},
581 { "dec{S|}", RMeBX
, XX
, XX
},
582 { "dec{S|}", RMeSP
, XX
, XX
},
583 { "dec{S|}", RMeBP
, XX
, XX
},
584 { "dec{S|}", RMeSI
, XX
, XX
},
585 { "dec{S|}", RMeDI
, XX
, XX
},
587 { "pushS", RMrAX
, XX
, XX
},
588 { "pushS", RMrCX
, XX
, XX
},
589 { "pushS", RMrDX
, XX
, XX
},
590 { "pushS", RMrBX
, XX
, XX
},
591 { "pushS", RMrSP
, XX
, XX
},
592 { "pushS", RMrBP
, XX
, XX
},
593 { "pushS", RMrSI
, XX
, XX
},
594 { "pushS", RMrDI
, XX
, XX
},
596 { "popS", RMrAX
, XX
, XX
},
597 { "popS", RMrCX
, XX
, XX
},
598 { "popS", RMrDX
, XX
, XX
},
599 { "popS", RMrBX
, XX
, XX
},
600 { "popS", RMrSP
, XX
, XX
},
601 { "popS", RMrBP
, XX
, XX
},
602 { "popS", RMrSI
, XX
, XX
},
603 { "popS", RMrDI
, XX
, XX
},
605 { "pusha{P|}", XX
, XX
, XX
},
606 { "popa{P|}", XX
, XX
, XX
},
607 { "bound{S|}", Gv
, Ma
, XX
},
609 { "(bad)", XX
, XX
, XX
}, /* seg fs */
610 { "(bad)", XX
, XX
, XX
}, /* seg gs */
611 { "(bad)", XX
, XX
, XX
}, /* op size prefix */
612 { "(bad)", XX
, XX
, XX
}, /* adr size prefix */
614 { "pushT", Iq
, XX
, XX
},
615 { "imulS", Gv
, Ev
, Iv
},
616 { "pushT", sIb
, XX
, XX
},
617 { "imulS", Gv
, Ev
, sIb
},
618 { "ins{b||b|}", Yb
, indirDX
, XX
},
619 { "ins{R||R|}", Yv
, indirDX
, XX
},
620 { "outs{b||b|}", indirDX
, Xb
, XX
},
621 { "outs{R||R|}", indirDX
, Xv
, XX
},
623 { "joH", Jb
, XX
, cond_jump_flag
},
624 { "jnoH", Jb
, XX
, cond_jump_flag
},
625 { "jbH", Jb
, XX
, cond_jump_flag
},
626 { "jaeH", Jb
, XX
, cond_jump_flag
},
627 { "jeH", Jb
, XX
, cond_jump_flag
},
628 { "jneH", Jb
, XX
, cond_jump_flag
},
629 { "jbeH", Jb
, XX
, cond_jump_flag
},
630 { "jaH", Jb
, XX
, cond_jump_flag
},
632 { "jsH", Jb
, XX
, cond_jump_flag
},
633 { "jnsH", Jb
, XX
, cond_jump_flag
},
634 { "jpH", Jb
, XX
, cond_jump_flag
},
635 { "jnpH", Jb
, XX
, cond_jump_flag
},
636 { "jlH", Jb
, XX
, cond_jump_flag
},
637 { "jgeH", Jb
, XX
, cond_jump_flag
},
638 { "jleH", Jb
, XX
, cond_jump_flag
},
639 { "jgH", Jb
, XX
, cond_jump_flag
},
643 { "(bad)", XX
, XX
, XX
},
645 { "testB", Eb
, Gb
, XX
},
646 { "testS", Ev
, Gv
, XX
},
647 { "xchgB", Eb
, Gb
, XX
},
648 { "xchgS", Ev
, Gv
, XX
},
650 { "movB", Eb
, Gb
, XX
},
651 { "movS", Ev
, Gv
, XX
},
652 { "movB", Gb
, Eb
, XX
},
653 { "movS", Gv
, Ev
, XX
},
654 { "movQ", Sv
, Sw
, XX
},
655 { "leaS", Gv
, M
, XX
},
656 { "movQ", Sw
, Sv
, XX
},
657 { "popU", Ev
, XX
, XX
},
659 { "nop", NOP_Fixup
, 0, XX
, XX
},
660 { "xchgS", RMeCX
, eAX
, XX
},
661 { "xchgS", RMeDX
, eAX
, XX
},
662 { "xchgS", RMeBX
, eAX
, XX
},
663 { "xchgS", RMeSP
, eAX
, XX
},
664 { "xchgS", RMeBP
, eAX
, XX
},
665 { "xchgS", RMeSI
, eAX
, XX
},
666 { "xchgS", RMeDI
, eAX
, XX
},
668 { "cW{tR||tR|}", XX
, XX
, XX
},
669 { "cR{tO||tO|}", XX
, XX
, XX
},
670 { "Jcall{T|}", Ap
, XX
, XX
},
671 { "(bad)", XX
, XX
, XX
}, /* fwait */
672 { "pushfT", XX
, XX
, XX
},
673 { "popfT", XX
, XX
, XX
},
674 { "sahf{|}", XX
, XX
, XX
},
675 { "lahf{|}", XX
, XX
, XX
},
677 { "movB", AL
, Ob64
, XX
},
678 { "movS", eAX
, Ov64
, XX
},
679 { "movB", Ob64
, AL
, XX
},
680 { "movS", Ov64
, eAX
, XX
},
681 { "movs{b||b|}", Yb
, Xb
, XX
},
682 { "movs{R||R|}", Yv
, Xv
, XX
},
683 { "cmps{b||b|}", Xb
, Yb
, XX
},
684 { "cmps{R||R|}", Xv
, Yv
, XX
},
686 { "testB", AL
, Ib
, XX
},
687 { "testS", eAX
, Iv
, XX
},
688 { "stosB", Yb
, AL
, XX
},
689 { "stosS", Yv
, eAX
, XX
},
690 { "lodsB", AL
, Xb
, XX
},
691 { "lodsS", eAX
, Xv
, XX
},
692 { "scasB", AL
, Yb
, XX
},
693 { "scasS", eAX
, Yv
, XX
},
695 { "movB", RMAL
, Ib
, XX
},
696 { "movB", RMCL
, Ib
, XX
},
697 { "movB", RMDL
, Ib
, XX
},
698 { "movB", RMBL
, Ib
, XX
},
699 { "movB", RMAH
, Ib
, XX
},
700 { "movB", RMCH
, Ib
, XX
},
701 { "movB", RMDH
, Ib
, XX
},
702 { "movB", RMBH
, Ib
, XX
},
704 { "movS", RMeAX
, Iv64
, XX
},
705 { "movS", RMeCX
, Iv64
, XX
},
706 { "movS", RMeDX
, Iv64
, XX
},
707 { "movS", RMeBX
, Iv64
, XX
},
708 { "movS", RMeSP
, Iv64
, XX
},
709 { "movS", RMeBP
, Iv64
, XX
},
710 { "movS", RMeSI
, Iv64
, XX
},
711 { "movS", RMeDI
, Iv64
, XX
},
715 { "retT", Iw
, XX
, XX
},
716 { "retT", XX
, XX
, XX
},
717 { "les{S|}", Gv
, Mp
, XX
},
718 { "ldsS", Gv
, Mp
, XX
},
719 { "movA", Eb
, Ib
, XX
},
720 { "movQ", Ev
, Iv
, XX
},
722 { "enterT", Iw
, Ib
, XX
},
723 { "leaveT", XX
, XX
, XX
},
724 { "lretP", Iw
, XX
, XX
},
725 { "lretP", XX
, XX
, XX
},
726 { "int3", XX
, XX
, XX
},
727 { "int", Ib
, XX
, XX
},
728 { "into{|}", XX
, XX
, XX
},
729 { "iretP", XX
, XX
, XX
},
735 { "aam{|}", sIb
, XX
, XX
},
736 { "aad{|}", sIb
, XX
, XX
},
737 { "(bad)", XX
, XX
, XX
},
738 { "xlat", DSBX
, XX
, XX
},
749 { "loopneFH", Jb
, XX
, loop_jcxz_flag
},
750 { "loopeFH", Jb
, XX
, loop_jcxz_flag
},
751 { "loopFH", Jb
, XX
, loop_jcxz_flag
},
752 { "jEcxzH", Jb
, XX
, loop_jcxz_flag
},
753 { "inB", AL
, Ib
, XX
},
754 { "inS", eAX
, Ib
, XX
},
755 { "outB", Ib
, AL
, XX
},
756 { "outS", Ib
, eAX
, XX
},
758 { "callT", Jv
, XX
, XX
},
759 { "jmpT", Jv
, XX
, XX
},
760 { "Jjmp{T|}", Ap
, XX
, XX
},
761 { "jmp", Jb
, XX
, XX
},
762 { "inB", AL
, indirDX
, XX
},
763 { "inS", eAX
, indirDX
, XX
},
764 { "outB", indirDX
, AL
, XX
},
765 { "outS", indirDX
, eAX
, XX
},
767 { "(bad)", XX
, XX
, XX
}, /* lock prefix */
768 { "icebp", XX
, XX
, XX
},
769 { "(bad)", XX
, XX
, XX
}, /* repne */
770 { "(bad)", XX
, XX
, XX
}, /* repz */
771 { "hlt", XX
, XX
, XX
},
772 { "cmc", XX
, XX
, XX
},
776 { "clc", XX
, XX
, XX
},
777 { "stc", XX
, XX
, XX
},
778 { "cli", XX
, XX
, XX
},
779 { "sti", XX
, XX
, XX
},
780 { "cld", XX
, XX
, XX
},
781 { "std", XX
, XX
, XX
},
786 static const struct dis386 dis386_twobyte
[] = {
790 { "larS", Gv
, Ew
, XX
},
791 { "lslS", Gv
, Ew
, XX
},
792 { "(bad)", XX
, XX
, XX
},
793 { "syscall", XX
, XX
, XX
},
794 { "clts", XX
, XX
, XX
},
795 { "sysretP", XX
, XX
, XX
},
797 { "invd", XX
, XX
, XX
},
798 { "wbinvd", XX
, XX
, XX
},
799 { "(bad)", XX
, XX
, XX
},
800 { "ud2a", XX
, XX
, XX
},
801 { "(bad)", XX
, XX
, XX
},
803 { "femms", XX
, XX
, XX
},
804 { "", MX
, EM
, OPSUF
}, /* See OP_3DNowSuffix. */
809 { "movlpX", EX
, XM
, SIMD_Fixup
, 'h' },
810 { "unpcklpX", XM
, EX
, XX
},
811 { "unpckhpX", XM
, EX
, XX
},
813 { "movhpX", EX
, XM
, SIMD_Fixup
, 'l' },
816 { "(bad)", XX
, XX
, XX
},
817 { "(bad)", XX
, XX
, XX
},
818 { "(bad)", XX
, XX
, XX
},
819 { "(bad)", XX
, XX
, XX
},
820 { "(bad)", XX
, XX
, XX
},
821 { "(bad)", XX
, XX
, XX
},
822 { "(bad)", XX
, XX
, XX
},
824 { "movL", Rm
, Cm
, XX
},
825 { "movL", Rm
, Dm
, XX
},
826 { "movL", Cm
, Rm
, XX
},
827 { "movL", Dm
, Rm
, XX
},
828 { "movL", Rd
, Td
, XX
},
829 { "(bad)", XX
, XX
, XX
},
830 { "movL", Td
, Rd
, XX
},
831 { "(bad)", XX
, XX
, XX
},
833 { "movapX", XM
, EX
, XX
},
834 { "movapX", EX
, XM
, XX
},
836 { "movntpX", Ev
, XM
, XX
},
839 { "ucomisX", XM
,EX
, XX
},
840 { "comisX", XM
,EX
, XX
},
842 { "wrmsr", XX
, XX
, XX
},
843 { "rdtsc", XX
, XX
, XX
},
844 { "rdmsr", XX
, XX
, XX
},
845 { "rdpmc", XX
, XX
, XX
},
846 { "sysenter", XX
, XX
, XX
},
847 { "sysexit", XX
, XX
, XX
},
848 { "(bad)", XX
, XX
, XX
},
849 { "(bad)", XX
, XX
, XX
},
851 { "(bad)", XX
, XX
, XX
},
852 { "(bad)", XX
, XX
, XX
},
853 { "(bad)", XX
, XX
, XX
},
854 { "(bad)", XX
, XX
, XX
},
855 { "(bad)", XX
, XX
, XX
},
856 { "(bad)", XX
, XX
, XX
},
857 { "(bad)", XX
, XX
, XX
},
858 { "(bad)", XX
, XX
, XX
},
860 { "cmovo", Gv
, Ev
, XX
},
861 { "cmovno", Gv
, Ev
, XX
},
862 { "cmovb", Gv
, Ev
, XX
},
863 { "cmovae", Gv
, Ev
, XX
},
864 { "cmove", Gv
, Ev
, XX
},
865 { "cmovne", Gv
, Ev
, XX
},
866 { "cmovbe", Gv
, Ev
, XX
},
867 { "cmova", Gv
, Ev
, XX
},
869 { "cmovs", Gv
, Ev
, XX
},
870 { "cmovns", Gv
, Ev
, XX
},
871 { "cmovp", Gv
, Ev
, XX
},
872 { "cmovnp", Gv
, Ev
, XX
},
873 { "cmovl", Gv
, Ev
, XX
},
874 { "cmovge", Gv
, Ev
, XX
},
875 { "cmovle", Gv
, Ev
, XX
},
876 { "cmovg", Gv
, Ev
, XX
},
878 { "movmskpX", Gdq
, XS
, XX
},
882 { "andpX", XM
, EX
, XX
},
883 { "andnpX", XM
, EX
, XX
},
884 { "orpX", XM
, EX
, XX
},
885 { "xorpX", XM
, EX
, XX
},
896 { "punpcklbw", MX
, EM
, XX
},
897 { "punpcklwd", MX
, EM
, XX
},
898 { "punpckldq", MX
, EM
, XX
},
899 { "packsswb", MX
, EM
, XX
},
900 { "pcmpgtb", MX
, EM
, XX
},
901 { "pcmpgtw", MX
, EM
, XX
},
902 { "pcmpgtd", MX
, EM
, XX
},
903 { "packuswb", MX
, EM
, XX
},
905 { "punpckhbw", MX
, EM
, XX
},
906 { "punpckhwd", MX
, EM
, XX
},
907 { "punpckhdq", MX
, EM
, XX
},
908 { "packssdw", MX
, EM
, XX
},
911 { "movd", MX
, Edq
, XX
},
918 { "pcmpeqb", MX
, EM
, XX
},
919 { "pcmpeqw", MX
, EM
, XX
},
920 { "pcmpeqd", MX
, EM
, XX
},
921 { "emms", XX
, XX
, XX
},
923 { "vmread", Em
, Gm
, XX
},
924 { "vmwrite", Gm
, Em
, XX
},
925 { "(bad)", XX
, XX
, XX
},
926 { "(bad)", XX
, XX
, XX
},
932 { "joH", Jv
, XX
, cond_jump_flag
},
933 { "jnoH", Jv
, XX
, cond_jump_flag
},
934 { "jbH", Jv
, XX
, cond_jump_flag
},
935 { "jaeH", Jv
, XX
, cond_jump_flag
},
936 { "jeH", Jv
, XX
, cond_jump_flag
},
937 { "jneH", Jv
, XX
, cond_jump_flag
},
938 { "jbeH", Jv
, XX
, cond_jump_flag
},
939 { "jaH", Jv
, XX
, cond_jump_flag
},
941 { "jsH", Jv
, XX
, cond_jump_flag
},
942 { "jnsH", Jv
, XX
, cond_jump_flag
},
943 { "jpH", Jv
, XX
, cond_jump_flag
},
944 { "jnpH", Jv
, XX
, cond_jump_flag
},
945 { "jlH", Jv
, XX
, cond_jump_flag
},
946 { "jgeH", Jv
, XX
, cond_jump_flag
},
947 { "jleH", Jv
, XX
, cond_jump_flag
},
948 { "jgH", Jv
, XX
, cond_jump_flag
},
950 { "seto", Eb
, XX
, XX
},
951 { "setno", Eb
, XX
, XX
},
952 { "setb", Eb
, XX
, XX
},
953 { "setae", Eb
, XX
, XX
},
954 { "sete", Eb
, XX
, XX
},
955 { "setne", Eb
, XX
, XX
},
956 { "setbe", Eb
, XX
, XX
},
957 { "seta", Eb
, XX
, XX
},
959 { "sets", Eb
, XX
, XX
},
960 { "setns", Eb
, XX
, XX
},
961 { "setp", Eb
, XX
, XX
},
962 { "setnp", Eb
, XX
, XX
},
963 { "setl", Eb
, XX
, XX
},
964 { "setge", Eb
, XX
, XX
},
965 { "setle", Eb
, XX
, XX
},
966 { "setg", Eb
, XX
, XX
},
968 { "pushT", fs
, XX
, XX
},
969 { "popT", fs
, XX
, XX
},
970 { "cpuid", XX
, XX
, XX
},
971 { "btS", Ev
, Gv
, XX
},
972 { "shldS", Ev
, Gv
, Ib
},
973 { "shldS", Ev
, Gv
, CL
},
977 { "pushT", gs
, XX
, XX
},
978 { "popT", gs
, XX
, XX
},
979 { "rsm", XX
, XX
, XX
},
980 { "btsS", Ev
, Gv
, XX
},
981 { "shrdS", Ev
, Gv
, Ib
},
982 { "shrdS", Ev
, Gv
, CL
},
984 { "imulS", Gv
, Ev
, XX
},
986 { "cmpxchgB", Eb
, Gb
, XX
},
987 { "cmpxchgS", Ev
, Gv
, XX
},
988 { "lssS", Gv
, Mp
, XX
},
989 { "btrS", Ev
, Gv
, XX
},
990 { "lfsS", Gv
, Mp
, XX
},
991 { "lgsS", Gv
, Mp
, XX
},
992 { "movz{bR|x|bR|x}", Gv
, Eb
, XX
},
993 { "movz{wR|x|wR|x}", Gv
, Ew
, XX
}, /* yes, there really is movzww ! */
995 { "(bad)", XX
, XX
, XX
},
996 { "ud2b", XX
, XX
, XX
},
998 { "btcS", Ev
, Gv
, XX
},
999 { "bsfS", Gv
, Ev
, XX
},
1000 { "bsrS", Gv
, Ev
, XX
},
1001 { "movs{bR|x|bR|x}", Gv
, Eb
, XX
},
1002 { "movs{wR|x|wR|x}", Gv
, Ew
, XX
}, /* yes, there really is movsww ! */
1004 { "xaddB", Eb
, Gb
, XX
},
1005 { "xaddS", Ev
, Gv
, XX
},
1007 { "movntiS", Ev
, Gv
, XX
},
1008 { "pinsrw", MX
, Edqw
, Ib
},
1009 { "pextrw", Gdq
, MS
, Ib
},
1010 { "shufpX", XM
, EX
, Ib
},
1013 { "bswap", RMeAX
, XX
, XX
},
1014 { "bswap", RMeCX
, XX
, XX
},
1015 { "bswap", RMeDX
, XX
, XX
},
1016 { "bswap", RMeBX
, XX
, XX
},
1017 { "bswap", RMeSP
, XX
, XX
},
1018 { "bswap", RMeBP
, XX
, XX
},
1019 { "bswap", RMeSI
, XX
, XX
},
1020 { "bswap", RMeDI
, XX
, XX
},
1023 { "psrlw", MX
, EM
, XX
},
1024 { "psrld", MX
, EM
, XX
},
1025 { "psrlq", MX
, EM
, XX
},
1026 { "paddq", MX
, EM
, XX
},
1027 { "pmullw", MX
, EM
, XX
},
1029 { "pmovmskb", Gdq
, MS
, XX
},
1031 { "psubusb", MX
, EM
, XX
},
1032 { "psubusw", MX
, EM
, XX
},
1033 { "pminub", MX
, EM
, XX
},
1034 { "pand", MX
, EM
, XX
},
1035 { "paddusb", MX
, EM
, XX
},
1036 { "paddusw", MX
, EM
, XX
},
1037 { "pmaxub", MX
, EM
, XX
},
1038 { "pandn", MX
, EM
, XX
},
1040 { "pavgb", MX
, EM
, XX
},
1041 { "psraw", MX
, EM
, XX
},
1042 { "psrad", MX
, EM
, XX
},
1043 { "pavgw", MX
, EM
, XX
},
1044 { "pmulhuw", MX
, EM
, XX
},
1045 { "pmulhw", MX
, EM
, XX
},
1049 { "psubsb", MX
, EM
, XX
},
1050 { "psubsw", MX
, EM
, XX
},
1051 { "pminsw", MX
, EM
, XX
},
1052 { "por", MX
, EM
, XX
},
1053 { "paddsb", MX
, EM
, XX
},
1054 { "paddsw", MX
, EM
, XX
},
1055 { "pmaxsw", MX
, EM
, XX
},
1056 { "pxor", MX
, EM
, XX
},
1059 { "psllw", MX
, EM
, XX
},
1060 { "pslld", MX
, EM
, XX
},
1061 { "psllq", MX
, EM
, XX
},
1062 { "pmuludq", MX
, EM
, XX
},
1063 { "pmaddwd", MX
, EM
, XX
},
1064 { "psadbw", MX
, EM
, XX
},
1067 { "psubb", MX
, EM
, XX
},
1068 { "psubw", MX
, EM
, XX
},
1069 { "psubd", MX
, EM
, XX
},
1070 { "psubq", MX
, EM
, XX
},
1071 { "paddb", MX
, EM
, XX
},
1072 { "paddw", MX
, EM
, XX
},
1073 { "paddd", MX
, EM
, XX
},
1074 { "(bad)", XX
, XX
, XX
}
1077 static const unsigned char onebyte_has_modrm
[256] = {
1078 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
1079 /* ------------------------------- */
1080 /* 00 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 00 */
1081 /* 10 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 10 */
1082 /* 20 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 20 */
1083 /* 30 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 30 */
1084 /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 40 */
1085 /* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 50 */
1086 /* 60 */ 0,0,1,1,0,0,0,0,0,1,0,1,0,0,0,0, /* 60 */
1087 /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 70 */
1088 /* 80 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 80 */
1089 /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 90 */
1090 /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* a0 */
1091 /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* b0 */
1092 /* c0 */ 1,1,0,0,1,1,1,1,0,0,0,0,0,0,0,0, /* c0 */
1093 /* d0 */ 1,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1, /* d0 */
1094 /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* e0 */
1095 /* f0 */ 0,0,0,0,0,0,1,1,0,0,0,0,0,0,1,1 /* f0 */
1096 /* ------------------------------- */
1097 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
1100 static const unsigned char twobyte_has_modrm
[256] = {
1101 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
1102 /* ------------------------------- */
1103 /* 00 */ 1,1,1,1,0,0,0,0,0,0,0,0,0,1,0,1, /* 0f */
1104 /* 10 */ 1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0, /* 1f */
1105 /* 20 */ 1,1,1,1,1,0,1,0,1,1,1,1,1,1,1,1, /* 2f */
1106 /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */
1107 /* 40 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 4f */
1108 /* 50 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 5f */
1109 /* 60 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 6f */
1110 /* 70 */ 1,1,1,1,1,1,1,0,1,1,0,0,1,1,1,1, /* 7f */
1111 /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */
1112 /* 90 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 9f */
1113 /* a0 */ 0,0,0,1,1,1,1,1,0,0,0,1,1,1,1,1, /* af */
1114 /* b0 */ 1,1,1,1,1,1,1,1,0,0,1,1,1,1,1,1, /* bf */
1115 /* c0 */ 1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0, /* cf */
1116 /* d0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* df */
1117 /* e0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* ef */
1118 /* f0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0 /* ff */
1119 /* ------------------------------- */
1120 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
1123 static const unsigned char twobyte_uses_SSE_prefix
[256] = {
1124 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
1125 /* ------------------------------- */
1126 /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */
1127 /* 10 */ 1,1,1,0,0,0,1,0,0,0,0,0,0,0,0,0, /* 1f */
1128 /* 20 */ 0,0,0,0,0,0,0,0,0,0,1,0,1,1,0,0, /* 2f */
1129 /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */
1130 /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */
1131 /* 50 */ 0,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1, /* 5f */
1132 /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1, /* 6f */
1133 /* 70 */ 1,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1, /* 7f */
1134 /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */
1135 /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */
1136 /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */
1137 /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */
1138 /* c0 */ 0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */
1139 /* d0 */ 1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* df */
1140 /* e0 */ 0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* ef */
1141 /* f0 */ 1,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0 /* ff */
1142 /* ------------------------------- */
1143 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
1146 static char obuf
[100];
1148 static char scratchbuf
[100];
1149 static unsigned char *start_codep
;
1150 static unsigned char *insn_codep
;
1151 static unsigned char *codep
;
1152 static disassemble_info
*the_info
;
1156 static unsigned char need_modrm
;
1158 /* If we are accessing mod/rm/reg without need_modrm set, then the
1159 values are stale. Hitting this abort likely indicates that you
1160 need to update onebyte_has_modrm or twobyte_has_modrm. */
1161 #define MODRM_CHECK if (!need_modrm) abort ()
1163 static const char **names64
;
1164 static const char **names32
;
1165 static const char **names16
;
1166 static const char **names8
;
1167 static const char **names8rex
;
1168 static const char **names_seg
;
1169 static const char **index16
;
1171 static const char *intel_names64
[] = {
1172 "rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi",
1173 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"
1175 static const char *intel_names32
[] = {
1176 "eax", "ecx", "edx", "ebx", "esp", "ebp", "esi", "edi",
1177 "r8d", "r9d", "r10d", "r11d", "r12d", "r13d", "r14d", "r15d"
1179 static const char *intel_names16
[] = {
1180 "ax", "cx", "dx", "bx", "sp", "bp", "si", "di",
1181 "r8w", "r9w", "r10w", "r11w", "r12w", "r13w", "r14w", "r15w"
1183 static const char *intel_names8
[] = {
1184 "al", "cl", "dl", "bl", "ah", "ch", "dh", "bh",
1186 static const char *intel_names8rex
[] = {
1187 "al", "cl", "dl", "bl", "spl", "bpl", "sil", "dil",
1188 "r8b", "r9b", "r10b", "r11b", "r12b", "r13b", "r14b", "r15b"
1190 static const char *intel_names_seg
[] = {
1191 "es", "cs", "ss", "ds", "fs", "gs", "?", "?",
1193 static const char *intel_index16
[] = {
1194 "bx+si", "bx+di", "bp+si", "bp+di", "si", "di", "bp", "bx"
1197 static const char *att_names64
[] = {
1198 "%rax", "%rcx", "%rdx", "%rbx", "%rsp", "%rbp", "%rsi", "%rdi",
1199 "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15"
1201 static const char *att_names32
[] = {
1202 "%eax", "%ecx", "%edx", "%ebx", "%esp", "%ebp", "%esi", "%edi",
1203 "%r8d", "%r9d", "%r10d", "%r11d", "%r12d", "%r13d", "%r14d", "%r15d"
1205 static const char *att_names16
[] = {
1206 "%ax", "%cx", "%dx", "%bx", "%sp", "%bp", "%si", "%di",
1207 "%r8w", "%r9w", "%r10w", "%r11w", "%r12w", "%r13w", "%r14w", "%r15w"
1209 static const char *att_names8
[] = {
1210 "%al", "%cl", "%dl", "%bl", "%ah", "%ch", "%dh", "%bh",
1212 static const char *att_names8rex
[] = {
1213 "%al", "%cl", "%dl", "%bl", "%spl", "%bpl", "%sil", "%dil",
1214 "%r8b", "%r9b", "%r10b", "%r11b", "%r12b", "%r13b", "%r14b", "%r15b"
1216 static const char *att_names_seg
[] = {
1217 "%es", "%cs", "%ss", "%ds", "%fs", "%gs", "%?", "%?",
1219 static const char *att_index16
[] = {
1220 "%bx,%si", "%bx,%di", "%bp,%si", "%bp,%di", "%si", "%di", "%bp", "%bx"
1223 static const struct dis386 grps
[][8] = {
1226 { "addA", Eb
, Ib
, XX
},
1227 { "orA", Eb
, Ib
, XX
},
1228 { "adcA", Eb
, Ib
, XX
},
1229 { "sbbA", Eb
, Ib
, XX
},
1230 { "andA", Eb
, Ib
, XX
},
1231 { "subA", Eb
, Ib
, XX
},
1232 { "xorA", Eb
, Ib
, XX
},
1233 { "cmpA", Eb
, Ib
, XX
}
1237 { "addQ", Ev
, Iv
, XX
},
1238 { "orQ", Ev
, Iv
, XX
},
1239 { "adcQ", Ev
, Iv
, XX
},
1240 { "sbbQ", Ev
, Iv
, XX
},
1241 { "andQ", Ev
, Iv
, XX
},
1242 { "subQ", Ev
, Iv
, XX
},
1243 { "xorQ", Ev
, Iv
, XX
},
1244 { "cmpQ", Ev
, Iv
, XX
}
1248 { "addQ", Ev
, sIb
, XX
},
1249 { "orQ", Ev
, sIb
, XX
},
1250 { "adcQ", Ev
, sIb
, XX
},
1251 { "sbbQ", Ev
, sIb
, XX
},
1252 { "andQ", Ev
, sIb
, XX
},
1253 { "subQ", Ev
, sIb
, XX
},
1254 { "xorQ", Ev
, sIb
, XX
},
1255 { "cmpQ", Ev
, sIb
, XX
}
1259 { "rolA", Eb
, Ib
, XX
},
1260 { "rorA", Eb
, Ib
, XX
},
1261 { "rclA", Eb
, Ib
, XX
},
1262 { "rcrA", Eb
, Ib
, XX
},
1263 { "shlA", Eb
, Ib
, XX
},
1264 { "shrA", Eb
, Ib
, XX
},
1265 { "(bad)", XX
, XX
, XX
},
1266 { "sarA", Eb
, Ib
, XX
},
1270 { "rolQ", Ev
, Ib
, XX
},
1271 { "rorQ", Ev
, Ib
, XX
},
1272 { "rclQ", Ev
, Ib
, XX
},
1273 { "rcrQ", Ev
, Ib
, XX
},
1274 { "shlQ", Ev
, Ib
, XX
},
1275 { "shrQ", Ev
, Ib
, XX
},
1276 { "(bad)", XX
, XX
, XX
},
1277 { "sarQ", Ev
, Ib
, XX
},
1281 { "rolA", Eb
, I1
, XX
},
1282 { "rorA", Eb
, I1
, XX
},
1283 { "rclA", Eb
, I1
, XX
},
1284 { "rcrA", Eb
, I1
, XX
},
1285 { "shlA", Eb
, I1
, XX
},
1286 { "shrA", Eb
, I1
, XX
},
1287 { "(bad)", XX
, XX
, XX
},
1288 { "sarA", Eb
, I1
, XX
},
1292 { "rolQ", Ev
, I1
, XX
},
1293 { "rorQ", Ev
, I1
, XX
},
1294 { "rclQ", Ev
, I1
, XX
},
1295 { "rcrQ", Ev
, I1
, XX
},
1296 { "shlQ", Ev
, I1
, XX
},
1297 { "shrQ", Ev
, I1
, XX
},
1298 { "(bad)", XX
, XX
, XX
},
1299 { "sarQ", Ev
, I1
, XX
},
1303 { "rolA", Eb
, CL
, XX
},
1304 { "rorA", Eb
, CL
, XX
},
1305 { "rclA", Eb
, CL
, XX
},
1306 { "rcrA", Eb
, CL
, XX
},
1307 { "shlA", Eb
, CL
, XX
},
1308 { "shrA", Eb
, CL
, XX
},
1309 { "(bad)", XX
, XX
, XX
},
1310 { "sarA", Eb
, CL
, XX
},
1314 { "rolQ", Ev
, CL
, XX
},
1315 { "rorQ", Ev
, CL
, XX
},
1316 { "rclQ", Ev
, CL
, XX
},
1317 { "rcrQ", Ev
, CL
, XX
},
1318 { "shlQ", Ev
, CL
, XX
},
1319 { "shrQ", Ev
, CL
, XX
},
1320 { "(bad)", XX
, XX
, XX
},
1321 { "sarQ", Ev
, CL
, XX
}
1325 { "testA", Eb
, Ib
, XX
},
1326 { "(bad)", Eb
, XX
, XX
},
1327 { "notA", Eb
, XX
, XX
},
1328 { "negA", Eb
, XX
, XX
},
1329 { "mulA", Eb
, XX
, XX
}, /* Don't print the implicit %al register, */
1330 { "imulA", Eb
, XX
, XX
}, /* to distinguish these opcodes from other */
1331 { "divA", Eb
, XX
, XX
}, /* mul/imul opcodes. Do the same for div */
1332 { "idivA", Eb
, XX
, XX
} /* and idiv for consistency. */
1336 { "testQ", Ev
, Iv
, XX
},
1337 { "(bad)", XX
, XX
, XX
},
1338 { "notQ", Ev
, XX
, XX
},
1339 { "negQ", Ev
, XX
, XX
},
1340 { "mulQ", Ev
, XX
, XX
}, /* Don't print the implicit register. */
1341 { "imulQ", Ev
, XX
, XX
},
1342 { "divQ", Ev
, XX
, XX
},
1343 { "idivQ", Ev
, XX
, XX
},
1347 { "incA", Eb
, XX
, XX
},
1348 { "decA", Eb
, XX
, XX
},
1349 { "(bad)", XX
, XX
, XX
},
1350 { "(bad)", XX
, XX
, XX
},
1351 { "(bad)", XX
, XX
, XX
},
1352 { "(bad)", XX
, XX
, XX
},
1353 { "(bad)", XX
, XX
, XX
},
1354 { "(bad)", XX
, XX
, XX
},
1358 { "incQ", Ev
, XX
, XX
},
1359 { "decQ", Ev
, XX
, XX
},
1360 { "callT", indirEv
, XX
, XX
},
1361 { "JcallT", indirEp
, XX
, XX
},
1362 { "jmpT", indirEv
, XX
, XX
},
1363 { "JjmpT", indirEp
, XX
, XX
},
1364 { "pushU", Ev
, XX
, XX
},
1365 { "(bad)", XX
, XX
, XX
},
1369 { "sldtQ", Ev
, XX
, XX
},
1370 { "strQ", Ev
, XX
, XX
},
1371 { "lldt", Ew
, XX
, XX
},
1372 { "ltr", Ew
, XX
, XX
},
1373 { "verr", Ew
, XX
, XX
},
1374 { "verw", Ew
, XX
, XX
},
1375 { "(bad)", XX
, XX
, XX
},
1376 { "(bad)", XX
, XX
, XX
}
1380 { "sgdtIQ", VMX_Fixup
, 0, XX
, XX
},
1381 { "sidtIQ", PNI_Fixup
, 0, XX
, XX
},
1382 { "lgdt{Q|Q||}", M
, XX
, XX
},
1383 { "lidt{Q|Q||}", SVME_Fixup
, 0, XX
, XX
},
1384 { "smswQ", Ev
, XX
, XX
},
1385 { "(bad)", XX
, XX
, XX
},
1386 { "lmsw", Ew
, XX
, XX
},
1387 { "invlpg", INVLPG_Fixup
, w_mode
, XX
, XX
},
1391 { "(bad)", XX
, XX
, XX
},
1392 { "(bad)", XX
, XX
, XX
},
1393 { "(bad)", XX
, XX
, XX
},
1394 { "(bad)", XX
, XX
, XX
},
1395 { "btQ", Ev
, Ib
, XX
},
1396 { "btsQ", Ev
, Ib
, XX
},
1397 { "btrQ", Ev
, Ib
, XX
},
1398 { "btcQ", Ev
, Ib
, XX
},
1402 { "(bad)", XX
, XX
, XX
},
1403 { "cmpxchg8b", Eq
, XX
, XX
},
1404 { "(bad)", XX
, XX
, XX
},
1405 { "(bad)", XX
, XX
, XX
},
1406 { "(bad)", XX
, XX
, XX
},
1407 { "(bad)", XX
, XX
, XX
},
1408 { "", VM
, XX
, XX
}, /* See OP_VMX. */
1409 { "vmptrst", Eq
, XX
, XX
},
1413 { "(bad)", XX
, XX
, XX
},
1414 { "(bad)", XX
, XX
, XX
},
1415 { "psrlw", MS
, Ib
, XX
},
1416 { "(bad)", XX
, XX
, XX
},
1417 { "psraw", MS
, Ib
, XX
},
1418 { "(bad)", XX
, XX
, XX
},
1419 { "psllw", MS
, Ib
, XX
},
1420 { "(bad)", XX
, XX
, XX
},
1424 { "(bad)", XX
, XX
, XX
},
1425 { "(bad)", XX
, XX
, XX
},
1426 { "psrld", MS
, Ib
, XX
},
1427 { "(bad)", XX
, XX
, XX
},
1428 { "psrad", MS
, Ib
, XX
},
1429 { "(bad)", XX
, XX
, XX
},
1430 { "pslld", MS
, Ib
, XX
},
1431 { "(bad)", XX
, XX
, XX
},
1435 { "(bad)", XX
, XX
, XX
},
1436 { "(bad)", XX
, XX
, XX
},
1437 { "psrlq", MS
, Ib
, XX
},
1438 { "psrldq", MS
, Ib
, XX
},
1439 { "(bad)", XX
, XX
, XX
},
1440 { "(bad)", XX
, XX
, XX
},
1441 { "psllq", MS
, Ib
, XX
},
1442 { "pslldq", MS
, Ib
, XX
},
1446 { "fxsave", Ev
, XX
, XX
},
1447 { "fxrstor", Ev
, XX
, XX
},
1448 { "ldmxcsr", Ev
, XX
, XX
},
1449 { "stmxcsr", Ev
, XX
, XX
},
1450 { "(bad)", XX
, XX
, XX
},
1451 { "lfence", OP_0fae
, 0, XX
, XX
},
1452 { "mfence", OP_0fae
, 0, XX
, XX
},
1453 { "clflush", OP_0fae
, 0, XX
, XX
},
1457 { "prefetchnta", Ev
, XX
, XX
},
1458 { "prefetcht0", Ev
, XX
, XX
},
1459 { "prefetcht1", Ev
, XX
, XX
},
1460 { "prefetcht2", Ev
, XX
, XX
},
1461 { "(bad)", XX
, XX
, XX
},
1462 { "(bad)", XX
, XX
, XX
},
1463 { "(bad)", XX
, XX
, XX
},
1464 { "(bad)", XX
, XX
, XX
},
1468 { "prefetch", Eb
, XX
, XX
},
1469 { "prefetchw", Eb
, XX
, XX
},
1470 { "(bad)", XX
, XX
, XX
},
1471 { "(bad)", XX
, XX
, XX
},
1472 { "(bad)", XX
, XX
, XX
},
1473 { "(bad)", XX
, XX
, XX
},
1474 { "(bad)", XX
, XX
, XX
},
1475 { "(bad)", XX
, XX
, XX
},
1479 { "xstore-rng", OP_0f07
, 0, XX
, XX
},
1480 { "xcrypt-ecb", OP_0f07
, 0, XX
, XX
},
1481 { "xcrypt-cbc", OP_0f07
, 0, XX
, XX
},
1482 { "xcrypt-ctr", OP_0f07
, 0, XX
, XX
},
1483 { "xcrypt-cfb", OP_0f07
, 0, XX
, XX
},
1484 { "xcrypt-ofb", OP_0f07
, 0, XX
, XX
},
1485 { "(bad)", OP_0f07
, 0, XX
, XX
},
1486 { "(bad)", OP_0f07
, 0, XX
, XX
},
1490 { "montmul", OP_0f07
, 0, XX
, XX
},
1491 { "xsha1", OP_0f07
, 0, XX
, XX
},
1492 { "xsha256", OP_0f07
, 0, XX
, XX
},
1493 { "(bad)", OP_0f07
, 0, XX
, XX
},
1494 { "(bad)", OP_0f07
, 0, XX
, XX
},
1495 { "(bad)", OP_0f07
, 0, XX
, XX
},
1496 { "(bad)", OP_0f07
, 0, XX
, XX
},
1497 { "(bad)", OP_0f07
, 0, XX
, XX
},
1501 static const struct dis386 prefix_user_table
[][4] = {
1504 { "addps", XM
, EX
, XX
},
1505 { "addss", XM
, EX
, XX
},
1506 { "addpd", XM
, EX
, XX
},
1507 { "addsd", XM
, EX
, XX
},
1511 { "", XM
, EX
, OPSIMD
}, /* See OP_SIMD_SUFFIX. */
1512 { "", XM
, EX
, OPSIMD
},
1513 { "", XM
, EX
, OPSIMD
},
1514 { "", XM
, EX
, OPSIMD
},
1518 { "cvtpi2ps", XM
, EM
, XX
},
1519 { "cvtsi2ssY", XM
, Ev
, XX
},
1520 { "cvtpi2pd", XM
, EM
, XX
},
1521 { "cvtsi2sdY", XM
, Ev
, XX
},
1525 { "cvtps2pi", MX
, EX
, XX
},
1526 { "cvtss2siY", Gv
, EX
, XX
},
1527 { "cvtpd2pi", MX
, EX
, XX
},
1528 { "cvtsd2siY", Gv
, EX
, XX
},
1532 { "cvttps2pi", MX
, EX
, XX
},
1533 { "cvttss2siY", Gv
, EX
, XX
},
1534 { "cvttpd2pi", MX
, EX
, XX
},
1535 { "cvttsd2siY", Gv
, EX
, XX
},
1539 { "divps", XM
, EX
, XX
},
1540 { "divss", XM
, EX
, XX
},
1541 { "divpd", XM
, EX
, XX
},
1542 { "divsd", XM
, EX
, XX
},
1546 { "maxps", XM
, EX
, XX
},
1547 { "maxss", XM
, EX
, XX
},
1548 { "maxpd", XM
, EX
, XX
},
1549 { "maxsd", XM
, EX
, XX
},
1553 { "minps", XM
, EX
, XX
},
1554 { "minss", XM
, EX
, XX
},
1555 { "minpd", XM
, EX
, XX
},
1556 { "minsd", XM
, EX
, XX
},
1560 { "movups", XM
, EX
, XX
},
1561 { "movss", XM
, EX
, XX
},
1562 { "movupd", XM
, EX
, XX
},
1563 { "movsd", XM
, EX
, XX
},
1567 { "movups", EX
, XM
, XX
},
1568 { "movss", EX
, XM
, XX
},
1569 { "movupd", EX
, XM
, XX
},
1570 { "movsd", EX
, XM
, XX
},
1574 { "mulps", XM
, EX
, XX
},
1575 { "mulss", XM
, EX
, XX
},
1576 { "mulpd", XM
, EX
, XX
},
1577 { "mulsd", XM
, EX
, XX
},
1581 { "rcpps", XM
, EX
, XX
},
1582 { "rcpss", XM
, EX
, XX
},
1583 { "(bad)", XM
, EX
, XX
},
1584 { "(bad)", XM
, EX
, XX
},
1588 { "rsqrtps", XM
, EX
, XX
},
1589 { "rsqrtss", XM
, EX
, XX
},
1590 { "(bad)", XM
, EX
, XX
},
1591 { "(bad)", XM
, EX
, XX
},
1595 { "sqrtps", XM
, EX
, XX
},
1596 { "sqrtss", XM
, EX
, XX
},
1597 { "sqrtpd", XM
, EX
, XX
},
1598 { "sqrtsd", XM
, EX
, XX
},
1602 { "subps", XM
, EX
, XX
},
1603 { "subss", XM
, EX
, XX
},
1604 { "subpd", XM
, EX
, XX
},
1605 { "subsd", XM
, EX
, XX
},
1609 { "(bad)", XM
, EX
, XX
},
1610 { "cvtdq2pd", XM
, EX
, XX
},
1611 { "cvttpd2dq", XM
, EX
, XX
},
1612 { "cvtpd2dq", XM
, EX
, XX
},
1616 { "cvtdq2ps", XM
, EX
, XX
},
1617 { "cvttps2dq",XM
, EX
, XX
},
1618 { "cvtps2dq",XM
, EX
, XX
},
1619 { "(bad)", XM
, EX
, XX
},
1623 { "cvtps2pd", XM
, EX
, XX
},
1624 { "cvtss2sd", XM
, EX
, XX
},
1625 { "cvtpd2ps", XM
, EX
, XX
},
1626 { "cvtsd2ss", XM
, EX
, XX
},
1630 { "maskmovq", MX
, MS
, XX
},
1631 { "(bad)", XM
, EX
, XX
},
1632 { "maskmovdqu", XM
, EX
, XX
},
1633 { "(bad)", XM
, EX
, XX
},
1637 { "movq", MX
, EM
, XX
},
1638 { "movdqu", XM
, EX
, XX
},
1639 { "movdqa", XM
, EX
, XX
},
1640 { "(bad)", XM
, EX
, XX
},
1644 { "movq", EM
, MX
, XX
},
1645 { "movdqu", EX
, XM
, XX
},
1646 { "movdqa", EX
, XM
, XX
},
1647 { "(bad)", EX
, XM
, XX
},
1651 { "(bad)", EX
, XM
, XX
},
1652 { "movq2dq", XM
, MS
, XX
},
1653 { "movq", EX
, XM
, XX
},
1654 { "movdq2q", MX
, XS
, XX
},
1658 { "pshufw", MX
, EM
, Ib
},
1659 { "pshufhw", XM
, EX
, Ib
},
1660 { "pshufd", XM
, EX
, Ib
},
1661 { "pshuflw", XM
, EX
, Ib
},
1665 { "movd", Edq
, MX
, XX
},
1666 { "movq", XM
, EX
, XX
},
1667 { "movd", Edq
, XM
, XX
},
1668 { "(bad)", Ed
, XM
, XX
},
1672 { "(bad)", MX
, EX
, XX
},
1673 { "(bad)", XM
, EX
, XX
},
1674 { "punpckhqdq", XM
, EX
, XX
},
1675 { "(bad)", XM
, EX
, XX
},
1679 { "movntq", EM
, MX
, XX
},
1680 { "(bad)", EM
, XM
, XX
},
1681 { "movntdq", EM
, XM
, XX
},
1682 { "(bad)", EM
, XM
, XX
},
1686 { "(bad)", MX
, EX
, XX
},
1687 { "(bad)", XM
, EX
, XX
},
1688 { "punpcklqdq", XM
, EX
, XX
},
1689 { "(bad)", XM
, EX
, XX
},
1693 { "(bad)", MX
, EX
, XX
},
1694 { "(bad)", XM
, EX
, XX
},
1695 { "addsubpd", XM
, EX
, XX
},
1696 { "addsubps", XM
, EX
, XX
},
1700 { "(bad)", MX
, EX
, XX
},
1701 { "(bad)", XM
, EX
, XX
},
1702 { "haddpd", XM
, EX
, XX
},
1703 { "haddps", XM
, EX
, XX
},
1707 { "(bad)", MX
, EX
, XX
},
1708 { "(bad)", XM
, EX
, XX
},
1709 { "hsubpd", XM
, EX
, XX
},
1710 { "hsubps", XM
, EX
, XX
},
1714 { "movlpX", XM
, EX
, SIMD_Fixup
, 'h' }, /* really only 2 operands */
1715 { "movsldup", XM
, EX
, XX
},
1716 { "movlpd", XM
, EX
, XX
},
1717 { "movddup", XM
, EX
, XX
},
1721 { "movhpX", XM
, EX
, SIMD_Fixup
, 'l' },
1722 { "movshdup", XM
, EX
, XX
},
1723 { "movhpd", XM
, EX
, XX
},
1724 { "(bad)", XM
, EX
, XX
},
1728 { "(bad)", XM
, EX
, XX
},
1729 { "(bad)", XM
, EX
, XX
},
1730 { "(bad)", XM
, EX
, XX
},
1731 { "lddqu", XM
, M
, XX
},
1735 static const struct dis386 x86_64_table
[][2] = {
1737 { "arpl", Ew
, Gw
, XX
},
1738 { "movs{||lq|xd}", Gv
, Ed
, XX
},
1742 #define INTERNAL_DISASSEMBLER_ERROR _("<internal disassembler error>")
1754 FETCH_DATA (the_info
, codep
+ 1);
1758 /* REX prefixes family. */
1781 prefixes
|= PREFIX_REPZ
;
1784 prefixes
|= PREFIX_REPNZ
;
1787 prefixes
|= PREFIX_LOCK
;
1790 prefixes
|= PREFIX_CS
;
1793 prefixes
|= PREFIX_SS
;
1796 prefixes
|= PREFIX_DS
;
1799 prefixes
|= PREFIX_ES
;
1802 prefixes
|= PREFIX_FS
;
1805 prefixes
|= PREFIX_GS
;
1808 prefixes
|= PREFIX_DATA
;
1811 prefixes
|= PREFIX_ADDR
;
1814 /* fwait is really an instruction. If there are prefixes
1815 before the fwait, they belong to the fwait, *not* to the
1816 following instruction. */
1819 prefixes
|= PREFIX_FWAIT
;
1823 prefixes
= PREFIX_FWAIT
;
1828 /* Rex is ignored when followed by another prefix. */
1831 oappend (prefix_name (rex
, 0));
1839 /* Return the name of the prefix byte PREF, or NULL if PREF is not a
1843 prefix_name (int pref
, int sizeflag
)
1847 /* REX prefixes family. */
1899 return (sizeflag
& DFLAG
) ? "data16" : "data32";
1902 return (sizeflag
& AFLAG
) ? "addr32" : "addr64";
1904 return (sizeflag
& AFLAG
) ? "addr16" : "addr32";
1912 static char op1out
[100], op2out
[100], op3out
[100];
1913 static int op_ad
, op_index
[3];
1914 static int two_source_ops
;
1915 static bfd_vma op_address
[3];
1916 static bfd_vma op_riprel
[3];
1917 static bfd_vma start_pc
;
1920 * On the 386's of 1988, the maximum length of an instruction is 15 bytes.
1921 * (see topic "Redundant prefixes" in the "Differences from 8086"
1922 * section of the "Virtual 8086 Mode" chapter.)
1923 * 'pc' should be the address of this instruction, it will
1924 * be used to print the target address if this is a relative jump or call
1925 * The function returns the length of this instruction in bytes.
1928 static char intel_syntax
;
1929 static char open_char
;
1930 static char close_char
;
1931 static char separator_char
;
1932 static char scale_char
;
1934 /* Here for backwards compatibility. When gdb stops using
1935 print_insn_i386_att and print_insn_i386_intel these functions can
1936 disappear, and print_insn_i386 be merged into print_insn. */
1938 print_insn_i386_att (bfd_vma pc
, disassemble_info
*info
)
1942 return print_insn (pc
, info
);
1946 print_insn_i386_intel (bfd_vma pc
, disassemble_info
*info
)
1950 return print_insn (pc
, info
);
1954 print_insn_i386 (bfd_vma pc
, disassemble_info
*info
)
1958 return print_insn (pc
, info
);
1962 print_insn (bfd_vma pc
, disassemble_info
*info
)
1964 const struct dis386
*dp
;
1966 char *first
, *second
, *third
;
1968 unsigned char uses_SSE_prefix
, uses_LOCK_prefix
;
1971 struct dis_private priv
;
1973 mode_64bit
= (info
->mach
== bfd_mach_x86_64_intel_syntax
1974 || info
->mach
== bfd_mach_x86_64
);
1976 if (intel_syntax
== (char) -1)
1977 intel_syntax
= (info
->mach
== bfd_mach_i386_i386_intel_syntax
1978 || info
->mach
== bfd_mach_x86_64_intel_syntax
);
1980 if (info
->mach
== bfd_mach_i386_i386
1981 || info
->mach
== bfd_mach_x86_64
1982 || info
->mach
== bfd_mach_i386_i386_intel_syntax
1983 || info
->mach
== bfd_mach_x86_64_intel_syntax
)
1984 priv
.orig_sizeflag
= AFLAG
| DFLAG
;
1985 else if (info
->mach
== bfd_mach_i386_i8086
)
1986 priv
.orig_sizeflag
= 0;
1990 for (p
= info
->disassembler_options
; p
!= NULL
; )
1992 if (strncmp (p
, "x86-64", 6) == 0)
1995 priv
.orig_sizeflag
= AFLAG
| DFLAG
;
1997 else if (strncmp (p
, "i386", 4) == 0)
2000 priv
.orig_sizeflag
= AFLAG
| DFLAG
;
2002 else if (strncmp (p
, "i8086", 5) == 0)
2005 priv
.orig_sizeflag
= 0;
2007 else if (strncmp (p
, "intel", 5) == 0)
2011 else if (strncmp (p
, "att", 3) == 0)
2015 else if (strncmp (p
, "addr", 4) == 0)
2017 if (p
[4] == '1' && p
[5] == '6')
2018 priv
.orig_sizeflag
&= ~AFLAG
;
2019 else if (p
[4] == '3' && p
[5] == '2')
2020 priv
.orig_sizeflag
|= AFLAG
;
2022 else if (strncmp (p
, "data", 4) == 0)
2024 if (p
[4] == '1' && p
[5] == '6')
2025 priv
.orig_sizeflag
&= ~DFLAG
;
2026 else if (p
[4] == '3' && p
[5] == '2')
2027 priv
.orig_sizeflag
|= DFLAG
;
2029 else if (strncmp (p
, "suffix", 6) == 0)
2030 priv
.orig_sizeflag
|= SUFFIX_ALWAYS
;
2032 p
= strchr (p
, ',');
2039 names64
= intel_names64
;
2040 names32
= intel_names32
;
2041 names16
= intel_names16
;
2042 names8
= intel_names8
;
2043 names8rex
= intel_names8rex
;
2044 names_seg
= intel_names_seg
;
2045 index16
= intel_index16
;
2048 separator_char
= '+';
2053 names64
= att_names64
;
2054 names32
= att_names32
;
2055 names16
= att_names16
;
2056 names8
= att_names8
;
2057 names8rex
= att_names8rex
;
2058 names_seg
= att_names_seg
;
2059 index16
= att_index16
;
2062 separator_char
= ',';
2066 /* The output looks better if we put 7 bytes on a line, since that
2067 puts most long word instructions on a single line. */
2068 info
->bytes_per_line
= 7;
2070 info
->private_data
= &priv
;
2071 priv
.max_fetched
= priv
.the_buffer
;
2072 priv
.insn_start
= pc
;
2079 op_index
[0] = op_index
[1] = op_index
[2] = -1;
2083 start_codep
= priv
.the_buffer
;
2084 codep
= priv
.the_buffer
;
2086 if (setjmp (priv
.bailout
) != 0)
2090 /* Getting here means we tried for data but didn't get it. That
2091 means we have an incomplete instruction of some sort. Just
2092 print the first byte as a prefix or a .byte pseudo-op. */
2093 if (codep
> priv
.the_buffer
)
2095 name
= prefix_name (priv
.the_buffer
[0], priv
.orig_sizeflag
);
2097 (*info
->fprintf_func
) (info
->stream
, "%s", name
);
2100 /* Just print the first byte as a .byte instruction. */
2101 (*info
->fprintf_func
) (info
->stream
, ".byte 0x%x",
2102 (unsigned int) priv
.the_buffer
[0]);
2115 sizeflag
= priv
.orig_sizeflag
;
2117 FETCH_DATA (info
, codep
+ 1);
2118 two_source_ops
= (*codep
== 0x62) || (*codep
== 0xc8);
2120 if ((prefixes
& PREFIX_FWAIT
)
2121 && ((*codep
< 0xd8) || (*codep
> 0xdf)))
2125 /* fwait not followed by floating point instruction. Print the
2126 first prefix, which is probably fwait itself. */
2127 name
= prefix_name (priv
.the_buffer
[0], priv
.orig_sizeflag
);
2129 name
= INTERNAL_DISASSEMBLER_ERROR
;
2130 (*info
->fprintf_func
) (info
->stream
, "%s", name
);
2136 FETCH_DATA (info
, codep
+ 2);
2137 dp
= &dis386_twobyte
[*++codep
];
2138 need_modrm
= twobyte_has_modrm
[*codep
];
2139 uses_SSE_prefix
= twobyte_uses_SSE_prefix
[*codep
];
2140 uses_LOCK_prefix
= (*codep
& ~0x02) == 0x20;
2144 dp
= &dis386
[*codep
];
2145 need_modrm
= onebyte_has_modrm
[*codep
];
2146 uses_SSE_prefix
= 0;
2147 uses_LOCK_prefix
= 0;
2151 if (!uses_SSE_prefix
&& (prefixes
& PREFIX_REPZ
))
2154 used_prefixes
|= PREFIX_REPZ
;
2156 if (!uses_SSE_prefix
&& (prefixes
& PREFIX_REPNZ
))
2159 used_prefixes
|= PREFIX_REPNZ
;
2161 if (!uses_LOCK_prefix
&& (prefixes
& PREFIX_LOCK
))
2164 used_prefixes
|= PREFIX_LOCK
;
2167 if (prefixes
& PREFIX_ADDR
)
2170 if (dp
->bytemode3
!= loop_jcxz_mode
|| intel_syntax
)
2172 if ((sizeflag
& AFLAG
) || mode_64bit
)
2173 oappend ("addr32 ");
2175 oappend ("addr16 ");
2176 used_prefixes
|= PREFIX_ADDR
;
2180 if (!uses_SSE_prefix
&& (prefixes
& PREFIX_DATA
))
2183 if (dp
->bytemode3
== cond_jump_mode
2184 && dp
->bytemode1
== v_mode
2187 if (sizeflag
& DFLAG
)
2188 oappend ("data32 ");
2190 oappend ("data16 ");
2191 used_prefixes
|= PREFIX_DATA
;
2197 FETCH_DATA (info
, codep
+ 1);
2198 mod
= (*codep
>> 6) & 3;
2199 reg
= (*codep
>> 3) & 7;
2203 if (dp
->name
== NULL
&& dp
->bytemode1
== FLOATCODE
)
2210 if (dp
->name
== NULL
)
2212 switch (dp
->bytemode1
)
2215 dp
= &grps
[dp
->bytemode2
][reg
];
2218 case USE_PREFIX_USER_TABLE
:
2220 used_prefixes
|= (prefixes
& PREFIX_REPZ
);
2221 if (prefixes
& PREFIX_REPZ
)
2225 used_prefixes
|= (prefixes
& PREFIX_DATA
);
2226 if (prefixes
& PREFIX_DATA
)
2230 used_prefixes
|= (prefixes
& PREFIX_REPNZ
);
2231 if (prefixes
& PREFIX_REPNZ
)
2235 dp
= &prefix_user_table
[dp
->bytemode2
][index
];
2238 case X86_64_SPECIAL
:
2239 dp
= &x86_64_table
[dp
->bytemode2
][mode_64bit
];
2243 oappend (INTERNAL_DISASSEMBLER_ERROR
);
2248 if (putop (dp
->name
, sizeflag
) == 0)
2253 (*dp
->op1
) (dp
->bytemode1
, sizeflag
);
2258 (*dp
->op2
) (dp
->bytemode2
, sizeflag
);
2263 (*dp
->op3
) (dp
->bytemode3
, sizeflag
);
2267 /* See if any prefixes were not used. If so, print the first one
2268 separately. If we don't do this, we'll wind up printing an
2269 instruction stream which does not precisely correspond to the
2270 bytes we are disassembling. */
2271 if ((prefixes
& ~used_prefixes
) != 0)
2275 name
= prefix_name (priv
.the_buffer
[0], priv
.orig_sizeflag
);
2277 name
= INTERNAL_DISASSEMBLER_ERROR
;
2278 (*info
->fprintf_func
) (info
->stream
, "%s", name
);
2281 if (rex
& ~rex_used
)
2284 name
= prefix_name (rex
| 0x40, priv
.orig_sizeflag
);
2286 name
= INTERNAL_DISASSEMBLER_ERROR
;
2287 (*info
->fprintf_func
) (info
->stream
, "%s ", name
);
2290 obufp
= obuf
+ strlen (obuf
);
2291 for (i
= strlen (obuf
); i
< 6; i
++)
2294 (*info
->fprintf_func
) (info
->stream
, "%s", obuf
);
2296 /* The enter and bound instructions are printed with operands in the same
2297 order as the intel book; everything else is printed in reverse order. */
2298 if (intel_syntax
|| two_source_ops
)
2303 op_ad
= op_index
[0];
2304 op_index
[0] = op_index
[2];
2305 op_index
[2] = op_ad
;
2316 if (op_index
[0] != -1 && !op_riprel
[0])
2317 (*info
->print_address_func
) ((bfd_vma
) op_address
[op_index
[0]], info
);
2319 (*info
->fprintf_func
) (info
->stream
, "%s", first
);
2325 (*info
->fprintf_func
) (info
->stream
, ",");
2326 if (op_index
[1] != -1 && !op_riprel
[1])
2327 (*info
->print_address_func
) ((bfd_vma
) op_address
[op_index
[1]], info
);
2329 (*info
->fprintf_func
) (info
->stream
, "%s", second
);
2335 (*info
->fprintf_func
) (info
->stream
, ",");
2336 if (op_index
[2] != -1 && !op_riprel
[2])
2337 (*info
->print_address_func
) ((bfd_vma
) op_address
[op_index
[2]], info
);
2339 (*info
->fprintf_func
) (info
->stream
, "%s", third
);
2341 for (i
= 0; i
< 3; i
++)
2342 if (op_index
[i
] != -1 && op_riprel
[i
])
2344 (*info
->fprintf_func
) (info
->stream
, " # ");
2345 (*info
->print_address_func
) ((bfd_vma
) (start_pc
+ codep
- start_codep
2346 + op_address
[op_index
[i
]]), info
);
2348 return codep
- priv
.the_buffer
;
2351 static const char *float_mem
[] = {
2426 static const unsigned char float_mem_mode
[] = {
2502 #define STi OP_STi, 0
2504 #define FGRPd9_2 NULL, NULL, 0, NULL, 0, NULL, 0
2505 #define FGRPd9_4 NULL, NULL, 1, NULL, 0, NULL, 0
2506 #define FGRPd9_5 NULL, NULL, 2, NULL, 0, NULL, 0
2507 #define FGRPd9_6 NULL, NULL, 3, NULL, 0, NULL, 0
2508 #define FGRPd9_7 NULL, NULL, 4, NULL, 0, NULL, 0
2509 #define FGRPda_5 NULL, NULL, 5, NULL, 0, NULL, 0
2510 #define FGRPdb_4 NULL, NULL, 6, NULL, 0, NULL, 0
2511 #define FGRPde_3 NULL, NULL, 7, NULL, 0, NULL, 0
2512 #define FGRPdf_4 NULL, NULL, 8, NULL, 0, NULL, 0
2514 static const struct dis386 float_reg
[][8] = {
2517 { "fadd", ST
, STi
, XX
},
2518 { "fmul", ST
, STi
, XX
},
2519 { "fcom", STi
, XX
, XX
},
2520 { "fcomp", STi
, XX
, XX
},
2521 { "fsub", ST
, STi
, XX
},
2522 { "fsubr", ST
, STi
, XX
},
2523 { "fdiv", ST
, STi
, XX
},
2524 { "fdivr", ST
, STi
, XX
},
2528 { "fld", STi
, XX
, XX
},
2529 { "fxch", STi
, XX
, XX
},
2531 { "(bad)", XX
, XX
, XX
},
2539 { "fcmovb", ST
, STi
, XX
},
2540 { "fcmove", ST
, STi
, XX
},
2541 { "fcmovbe",ST
, STi
, XX
},
2542 { "fcmovu", ST
, STi
, XX
},
2543 { "(bad)", XX
, XX
, XX
},
2545 { "(bad)", XX
, XX
, XX
},
2546 { "(bad)", XX
, XX
, XX
},
2550 { "fcmovnb",ST
, STi
, XX
},
2551 { "fcmovne",ST
, STi
, XX
},
2552 { "fcmovnbe",ST
, STi
, XX
},
2553 { "fcmovnu",ST
, STi
, XX
},
2555 { "fucomi", ST
, STi
, XX
},
2556 { "fcomi", ST
, STi
, XX
},
2557 { "(bad)", XX
, XX
, XX
},
2561 { "fadd", STi
, ST
, XX
},
2562 { "fmul", STi
, ST
, XX
},
2563 { "(bad)", XX
, XX
, XX
},
2564 { "(bad)", XX
, XX
, XX
},
2566 { "fsub", STi
, ST
, XX
},
2567 { "fsubr", STi
, ST
, XX
},
2568 { "fdiv", STi
, ST
, XX
},
2569 { "fdivr", STi
, ST
, XX
},
2571 { "fsubr", STi
, ST
, XX
},
2572 { "fsub", STi
, ST
, XX
},
2573 { "fdivr", STi
, ST
, XX
},
2574 { "fdiv", STi
, ST
, XX
},
2579 { "ffree", STi
, XX
, XX
},
2580 { "(bad)", XX
, XX
, XX
},
2581 { "fst", STi
, XX
, XX
},
2582 { "fstp", STi
, XX
, XX
},
2583 { "fucom", STi
, XX
, XX
},
2584 { "fucomp", STi
, XX
, XX
},
2585 { "(bad)", XX
, XX
, XX
},
2586 { "(bad)", XX
, XX
, XX
},
2590 { "faddp", STi
, ST
, XX
},
2591 { "fmulp", STi
, ST
, XX
},
2592 { "(bad)", XX
, XX
, XX
},
2595 { "fsubp", STi
, ST
, XX
},
2596 { "fsubrp", STi
, ST
, XX
},
2597 { "fdivp", STi
, ST
, XX
},
2598 { "fdivrp", STi
, ST
, XX
},
2600 { "fsubrp", STi
, ST
, XX
},
2601 { "fsubp", STi
, ST
, XX
},
2602 { "fdivrp", STi
, ST
, XX
},
2603 { "fdivp", STi
, ST
, XX
},
2608 { "ffreep", STi
, XX
, XX
},
2609 { "(bad)", XX
, XX
, XX
},
2610 { "(bad)", XX
, XX
, XX
},
2611 { "(bad)", XX
, XX
, XX
},
2613 { "fucomip",ST
, STi
, XX
},
2614 { "fcomip", ST
, STi
, XX
},
2615 { "(bad)", XX
, XX
, XX
},
2619 static char *fgrps
[][8] = {
2622 "fnop","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)",
2627 "fchs","fabs","(bad)","(bad)","ftst","fxam","(bad)","(bad)",
2632 "fld1","fldl2t","fldl2e","fldpi","fldlg2","fldln2","fldz","(bad)",
2637 "f2xm1","fyl2x","fptan","fpatan","fxtract","fprem1","fdecstp","fincstp",
2642 "fprem","fyl2xp1","fsqrt","fsincos","frndint","fscale","fsin","fcos",
2647 "(bad)","fucompp","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)",
2652 "feni(287 only)","fdisi(287 only)","fNclex","fNinit",
2653 "fNsetpm(287 only)","(bad)","(bad)","(bad)",
2658 "(bad)","fcompp","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)",
2663 "fNstsw","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)",
2668 dofloat (int sizeflag
)
2670 const struct dis386
*dp
;
2671 unsigned char floatop
;
2673 floatop
= codep
[-1];
2677 int fp_indx
= (floatop
- 0xd8) * 8 + reg
;
2679 putop (float_mem
[fp_indx
], sizeflag
);
2681 OP_E (float_mem_mode
[fp_indx
], sizeflag
);
2684 /* Skip mod/rm byte. */
2688 dp
= &float_reg
[floatop
- 0xd8][reg
];
2689 if (dp
->name
== NULL
)
2691 putop (fgrps
[dp
->bytemode1
][rm
], sizeflag
);
2693 /* Instruction fnstsw is only one with strange arg. */
2694 if (floatop
== 0xdf && codep
[-1] == 0xe0)
2695 strcpy (op1out
, names16
[0]);
2699 putop (dp
->name
, sizeflag
);
2703 (*dp
->op1
) (dp
->bytemode1
, sizeflag
);
2706 (*dp
->op2
) (dp
->bytemode2
, sizeflag
);
2711 OP_ST (int bytemode ATTRIBUTE_UNUSED
, int sizeflag ATTRIBUTE_UNUSED
)
2717 OP_STi (int bytemode ATTRIBUTE_UNUSED
, int sizeflag ATTRIBUTE_UNUSED
)
2719 sprintf (scratchbuf
, "%%st(%d)", rm
);
2720 oappend (scratchbuf
+ intel_syntax
);
2723 /* Capital letters in template are macros. */
2725 putop (const char *template, int sizeflag
)
2730 for (p
= template; *p
; p
++)
2749 /* Alternative not valid. */
2750 strcpy (obuf
, "(bad)");
2754 else if (*p
== '\0')
2775 if (mod
!= 3 || (sizeflag
& SUFFIX_ALWAYS
))
2781 if (sizeflag
& SUFFIX_ALWAYS
)
2785 if (intel_syntax
&& !alt
)
2787 if ((prefixes
& PREFIX_DATA
) || (sizeflag
& SUFFIX_ALWAYS
))
2789 if (sizeflag
& DFLAG
)
2790 *obufp
++ = intel_syntax
? 'd' : 'l';
2792 *obufp
++ = intel_syntax
? 'w' : 's';
2793 used_prefixes
|= (prefixes
& PREFIX_DATA
);
2796 case 'E': /* For jcxz/jecxz */
2799 if (sizeflag
& AFLAG
)
2805 if (sizeflag
& AFLAG
)
2807 used_prefixes
|= (prefixes
& PREFIX_ADDR
);
2812 if ((prefixes
& PREFIX_ADDR
) || (sizeflag
& SUFFIX_ALWAYS
))
2814 if (sizeflag
& AFLAG
)
2815 *obufp
++ = mode_64bit
? 'q' : 'l';
2817 *obufp
++ = mode_64bit
? 'l' : 'w';
2818 used_prefixes
|= (prefixes
& PREFIX_ADDR
);
2824 if ((prefixes
& (PREFIX_CS
| PREFIX_DS
)) == PREFIX_CS
2825 || (prefixes
& (PREFIX_CS
| PREFIX_DS
)) == PREFIX_DS
)
2827 used_prefixes
|= prefixes
& (PREFIX_CS
| PREFIX_DS
);
2830 if (prefixes
& PREFIX_DS
)
2844 if (sizeflag
& SUFFIX_ALWAYS
)
2848 if ((prefixes
& PREFIX_FWAIT
) == 0)
2851 used_prefixes
|= PREFIX_FWAIT
;
2854 USED_REX (REX_MODE64
);
2855 if (rex
& REX_MODE64
)
2872 if ((prefixes
& PREFIX_DATA
)
2873 || (rex
& REX_MODE64
)
2874 || (sizeflag
& SUFFIX_ALWAYS
))
2876 USED_REX (REX_MODE64
);
2877 if (rex
& REX_MODE64
)
2881 if (sizeflag
& DFLAG
)
2885 used_prefixes
|= (prefixes
& PREFIX_DATA
);
2899 if (intel_syntax
&& !alt
)
2901 USED_REX (REX_MODE64
);
2902 if (mod
!= 3 || (sizeflag
& SUFFIX_ALWAYS
))
2904 if (rex
& REX_MODE64
)
2908 if (sizeflag
& DFLAG
)
2909 *obufp
++ = intel_syntax
? 'd' : 'l';
2912 used_prefixes
|= (prefixes
& PREFIX_DATA
);
2917 USED_REX (REX_MODE64
);
2920 if (rex
& REX_MODE64
)
2925 else if (sizeflag
& DFLAG
)
2938 if (rex
& REX_MODE64
)
2940 else if (sizeflag
& DFLAG
)
2945 if (!(rex
& REX_MODE64
))
2946 used_prefixes
|= (prefixes
& PREFIX_DATA
);
2951 if (sizeflag
& SUFFIX_ALWAYS
)
2953 if (rex
& REX_MODE64
)
2957 if (sizeflag
& DFLAG
)
2961 used_prefixes
|= (prefixes
& PREFIX_DATA
);
2966 if (prefixes
& PREFIX_DATA
)
2970 used_prefixes
|= (prefixes
& PREFIX_DATA
);
2975 if (rex
& REX_MODE64
)
2977 USED_REX (REX_MODE64
);
2981 /* implicit operand size 'l' for i386 or 'q' for x86-64 */
2983 /* operand size flag for cwtl, cbtw */
2987 else if (sizeflag
& DFLAG
)
2998 if (sizeflag
& DFLAG
)
3009 used_prefixes
|= (prefixes
& PREFIX_DATA
);
3019 oappend (const char *s
)
3022 obufp
+= strlen (s
);
3028 if (prefixes
& PREFIX_CS
)
3030 used_prefixes
|= PREFIX_CS
;
3031 oappend ("%cs:" + intel_syntax
);
3033 if (prefixes
& PREFIX_DS
)
3035 used_prefixes
|= PREFIX_DS
;
3036 oappend ("%ds:" + intel_syntax
);
3038 if (prefixes
& PREFIX_SS
)
3040 used_prefixes
|= PREFIX_SS
;
3041 oappend ("%ss:" + intel_syntax
);
3043 if (prefixes
& PREFIX_ES
)
3045 used_prefixes
|= PREFIX_ES
;
3046 oappend ("%es:" + intel_syntax
);
3048 if (prefixes
& PREFIX_FS
)
3050 used_prefixes
|= PREFIX_FS
;
3051 oappend ("%fs:" + intel_syntax
);
3053 if (prefixes
& PREFIX_GS
)
3055 used_prefixes
|= PREFIX_GS
;
3056 oappend ("%gs:" + intel_syntax
);
3061 OP_indirE (int bytemode
, int sizeflag
)
3065 OP_E (bytemode
, sizeflag
);
3069 print_operand_value (char *buf
, int hex
, bfd_vma disp
)
3079 sprintf_vma (tmp
, disp
);
3080 for (i
= 0; tmp
[i
] == '0' && tmp
[i
+ 1]; i
++);
3081 strcpy (buf
+ 2, tmp
+ i
);
3085 bfd_signed_vma v
= disp
;
3092 /* Check for possible overflow on 0x8000000000000000. */
3095 strcpy (buf
, "9223372036854775808");
3109 tmp
[28 - i
] = (v
% 10) + '0';
3113 strcpy (buf
, tmp
+ 29 - i
);
3119 sprintf (buf
, "0x%x", (unsigned int) disp
);
3121 sprintf (buf
, "%d", (int) disp
);
3126 intel_operand_size (int bytemode
, int sizeflag
)
3131 oappend ("BYTE PTR ");
3135 oappend ("WORD PTR ");
3138 if (mode_64bit
&& (sizeflag
& DFLAG
))
3140 oappend ("QWORD PTR ");
3141 used_prefixes
|= (prefixes
& PREFIX_DATA
);
3147 USED_REX (REX_MODE64
);
3148 if (rex
& REX_MODE64
)
3149 oappend ("QWORD PTR ");
3150 else if ((sizeflag
& DFLAG
) || bytemode
== dq_mode
)
3151 oappend ("DWORD PTR ");
3153 oappend ("WORD PTR ");
3154 used_prefixes
|= (prefixes
& PREFIX_DATA
);
3157 oappend ("DWORD PTR ");
3160 oappend ("QWORD PTR ");
3164 oappend ("QWORD PTR ");
3166 oappend ("DWORD PTR ");
3169 if (sizeflag
& DFLAG
)
3170 oappend ("FWORD PTR ");
3172 oappend ("DWORD PTR ");
3173 used_prefixes
|= (prefixes
& PREFIX_DATA
);
3176 oappend ("TBYTE PTR ");
3179 oappend ("XMMWORD PTR ");
3187 OP_E (int bytemode
, int sizeflag
)
3192 USED_REX (REX_EXTZ
);
3196 /* Skip mod/rm byte. */
3207 oappend (names8rex
[rm
+ add
]);
3209 oappend (names8
[rm
+ add
]);
3212 oappend (names16
[rm
+ add
]);
3215 oappend (names32
[rm
+ add
]);
3218 oappend (names64
[rm
+ add
]);
3222 oappend (names64
[rm
+ add
]);
3224 oappend (names32
[rm
+ add
]);
3228 oappend (names64
[rm
+ add
]);
3231 if ((sizeflag
& DFLAG
) || bytemode
!= branch_v_mode
)
3232 oappend (names32
[rm
+ add
]);
3234 oappend (names16
[rm
+ add
]);
3235 used_prefixes
|= (prefixes
& PREFIX_DATA
);
3241 USED_REX (REX_MODE64
);
3242 if (rex
& REX_MODE64
)
3243 oappend (names64
[rm
+ add
]);
3244 else if ((sizeflag
& DFLAG
) || bytemode
!= v_mode
)
3245 oappend (names32
[rm
+ add
]);
3247 oappend (names16
[rm
+ add
]);
3248 used_prefixes
|= (prefixes
& PREFIX_DATA
);
3253 oappend (INTERNAL_DISASSEMBLER_ERROR
);
3261 intel_operand_size (bytemode
, sizeflag
);
3264 if ((sizeflag
& AFLAG
) || mode_64bit
) /* 32 bit address mode */
3279 FETCH_DATA (the_info
, codep
+ 1);
3280 index
= (*codep
>> 3) & 7;
3281 if (mode_64bit
|| index
!= 0x4)
3282 /* When INDEX == 0x4 in 32 bit mode, SCALE is ignored. */
3283 scale
= (*codep
>> 6) & 3;
3285 USED_REX (REX_EXTY
);
3295 if ((base
& 7) == 5)
3298 if (mode_64bit
&& !havesib
)
3304 FETCH_DATA (the_info
, codep
+ 1);
3306 if ((disp
& 0x80) != 0)
3315 if (mod
!= 0 || (base
& 7) == 5)
3317 print_operand_value (scratchbuf
, !riprel
, disp
);
3318 oappend (scratchbuf
);
3326 if (havebase
|| (havesib
&& (index
!= 4 || scale
!= 0)))
3328 *obufp
++ = open_char
;
3329 if (intel_syntax
&& riprel
)
3333 oappend (mode_64bit
&& (sizeflag
& AFLAG
)
3334 ? names64
[base
] : names32
[base
]);
3339 if (!intel_syntax
|| havebase
)
3341 *obufp
++ = separator_char
;
3344 oappend (mode_64bit
&& (sizeflag
& AFLAG
)
3345 ? names64
[index
] : names32
[index
]);
3347 if (scale
!= 0 || (!intel_syntax
&& index
!= 4))
3349 *obufp
++ = scale_char
;
3351 sprintf (scratchbuf
, "%d", 1 << scale
);
3352 oappend (scratchbuf
);
3355 if (intel_syntax
&& disp
)
3357 if ((bfd_signed_vma
) disp
> 0)
3366 disp
= - (bfd_signed_vma
) disp
;
3369 print_operand_value (scratchbuf
, mod
!= 1, disp
);
3370 oappend (scratchbuf
);
3373 *obufp
++ = close_char
;
3376 else if (intel_syntax
)
3378 if (mod
!= 0 || (base
& 7) == 5)
3380 if (prefixes
& (PREFIX_CS
| PREFIX_SS
| PREFIX_DS
3381 | PREFIX_ES
| PREFIX_FS
| PREFIX_GS
))
3385 oappend (names_seg
[ds_reg
- es_reg
]);
3388 print_operand_value (scratchbuf
, 1, disp
);
3389 oappend (scratchbuf
);
3394 { /* 16 bit address mode */
3401 if ((disp
& 0x8000) != 0)
3406 FETCH_DATA (the_info
, codep
+ 1);
3408 if ((disp
& 0x80) != 0)
3413 if ((disp
& 0x8000) != 0)
3419 if (mod
!= 0 || rm
== 6)
3421 print_operand_value (scratchbuf
, 0, disp
);
3422 oappend (scratchbuf
);
3425 if (mod
!= 0 || rm
!= 6)
3427 *obufp
++ = open_char
;
3429 oappend (index16
[rm
]);
3430 if (intel_syntax
&& disp
)
3432 if ((bfd_signed_vma
) disp
> 0)
3441 disp
= - (bfd_signed_vma
) disp
;
3444 print_operand_value (scratchbuf
, mod
!= 1, disp
);
3445 oappend (scratchbuf
);
3448 *obufp
++ = close_char
;
3451 else if (intel_syntax
)
3453 if (prefixes
& (PREFIX_CS
| PREFIX_SS
| PREFIX_DS
3454 | PREFIX_ES
| PREFIX_FS
| PREFIX_GS
))
3458 oappend (names_seg
[ds_reg
- es_reg
]);
3461 print_operand_value (scratchbuf
, 1, disp
& 0xffff);
3462 oappend (scratchbuf
);
3468 OP_G (int bytemode
, int sizeflag
)
3471 USED_REX (REX_EXTX
);
3479 oappend (names8rex
[reg
+ add
]);
3481 oappend (names8
[reg
+ add
]);
3484 oappend (names16
[reg
+ add
]);
3487 oappend (names32
[reg
+ add
]);
3490 oappend (names64
[reg
+ add
]);
3495 USED_REX (REX_MODE64
);
3496 if (rex
& REX_MODE64
)
3497 oappend (names64
[reg
+ add
]);
3498 else if ((sizeflag
& DFLAG
) || bytemode
!= v_mode
)
3499 oappend (names32
[reg
+ add
]);
3501 oappend (names16
[reg
+ add
]);
3502 used_prefixes
|= (prefixes
& PREFIX_DATA
);
3506 oappend (names64
[reg
+ add
]);
3508 oappend (names32
[reg
+ add
]);
3511 oappend (INTERNAL_DISASSEMBLER_ERROR
);
3524 FETCH_DATA (the_info
, codep
+ 8);
3525 a
= *codep
++ & 0xff;
3526 a
|= (*codep
++ & 0xff) << 8;
3527 a
|= (*codep
++ & 0xff) << 16;
3528 a
|= (*codep
++ & 0xff) << 24;
3529 b
= *codep
++ & 0xff;
3530 b
|= (*codep
++ & 0xff) << 8;
3531 b
|= (*codep
++ & 0xff) << 16;
3532 b
|= (*codep
++ & 0xff) << 24;
3533 x
= a
+ ((bfd_vma
) b
<< 32);
3541 static bfd_signed_vma
3544 bfd_signed_vma x
= 0;
3546 FETCH_DATA (the_info
, codep
+ 4);
3547 x
= *codep
++ & (bfd_signed_vma
) 0xff;
3548 x
|= (*codep
++ & (bfd_signed_vma
) 0xff) << 8;
3549 x
|= (*codep
++ & (bfd_signed_vma
) 0xff) << 16;
3550 x
|= (*codep
++ & (bfd_signed_vma
) 0xff) << 24;
3554 static bfd_signed_vma
3557 bfd_signed_vma x
= 0;
3559 FETCH_DATA (the_info
, codep
+ 4);
3560 x
= *codep
++ & (bfd_signed_vma
) 0xff;
3561 x
|= (*codep
++ & (bfd_signed_vma
) 0xff) << 8;
3562 x
|= (*codep
++ & (bfd_signed_vma
) 0xff) << 16;
3563 x
|= (*codep
++ & (bfd_signed_vma
) 0xff) << 24;
3565 x
= (x
^ ((bfd_signed_vma
) 1 << 31)) - ((bfd_signed_vma
) 1 << 31);
3575 FETCH_DATA (the_info
, codep
+ 2);
3576 x
= *codep
++ & 0xff;
3577 x
|= (*codep
++ & 0xff) << 8;
3582 set_op (bfd_vma op
, int riprel
)
3584 op_index
[op_ad
] = op_ad
;
3587 op_address
[op_ad
] = op
;
3588 op_riprel
[op_ad
] = riprel
;
3592 /* Mask to get a 32-bit address. */
3593 op_address
[op_ad
] = op
& 0xffffffff;
3594 op_riprel
[op_ad
] = riprel
& 0xffffffff;
3599 OP_REG (int code
, int sizeflag
)
3603 USED_REX (REX_EXTZ
);
3615 case ax_reg
: case cx_reg
: case dx_reg
: case bx_reg
:
3616 case sp_reg
: case bp_reg
: case si_reg
: case di_reg
:
3617 s
= names16
[code
- ax_reg
+ add
];
3619 case es_reg
: case ss_reg
: case cs_reg
:
3620 case ds_reg
: case fs_reg
: case gs_reg
:
3621 s
= names_seg
[code
- es_reg
+ add
];
3623 case al_reg
: case ah_reg
: case cl_reg
: case ch_reg
:
3624 case dl_reg
: case dh_reg
: case bl_reg
: case bh_reg
:
3627 s
= names8rex
[code
- al_reg
+ add
];
3629 s
= names8
[code
- al_reg
];
3631 case rAX_reg
: case rCX_reg
: case rDX_reg
: case rBX_reg
:
3632 case rSP_reg
: case rBP_reg
: case rSI_reg
: case rDI_reg
:
3635 s
= names64
[code
- rAX_reg
+ add
];
3638 code
+= eAX_reg
- rAX_reg
;
3640 case eAX_reg
: case eCX_reg
: case eDX_reg
: case eBX_reg
:
3641 case eSP_reg
: case eBP_reg
: case eSI_reg
: case eDI_reg
:
3642 USED_REX (REX_MODE64
);
3643 if (rex
& REX_MODE64
)
3644 s
= names64
[code
- eAX_reg
+ add
];
3645 else if (sizeflag
& DFLAG
)
3646 s
= names32
[code
- eAX_reg
+ add
];
3648 s
= names16
[code
- eAX_reg
+ add
];
3649 used_prefixes
|= (prefixes
& PREFIX_DATA
);
3652 s
= INTERNAL_DISASSEMBLER_ERROR
;
3659 OP_IMREG (int code
, int sizeflag
)
3671 case ax_reg
: case cx_reg
: case dx_reg
: case bx_reg
:
3672 case sp_reg
: case bp_reg
: case si_reg
: case di_reg
:
3673 s
= names16
[code
- ax_reg
];
3675 case es_reg
: case ss_reg
: case cs_reg
:
3676 case ds_reg
: case fs_reg
: case gs_reg
:
3677 s
= names_seg
[code
- es_reg
];
3679 case al_reg
: case ah_reg
: case cl_reg
: case ch_reg
:
3680 case dl_reg
: case dh_reg
: case bl_reg
: case bh_reg
:
3683 s
= names8rex
[code
- al_reg
];
3685 s
= names8
[code
- al_reg
];
3687 case eAX_reg
: case eCX_reg
: case eDX_reg
: case eBX_reg
:
3688 case eSP_reg
: case eBP_reg
: case eSI_reg
: case eDI_reg
:
3689 USED_REX (REX_MODE64
);
3690 if (rex
& REX_MODE64
)
3691 s
= names64
[code
- eAX_reg
];
3692 else if (sizeflag
& DFLAG
)
3693 s
= names32
[code
- eAX_reg
];
3695 s
= names16
[code
- eAX_reg
];
3696 used_prefixes
|= (prefixes
& PREFIX_DATA
);
3699 s
= INTERNAL_DISASSEMBLER_ERROR
;
3706 OP_I (int bytemode
, int sizeflag
)
3709 bfd_signed_vma mask
= -1;
3714 FETCH_DATA (the_info
, codep
+ 1);
3726 USED_REX (REX_MODE64
);
3727 if (rex
& REX_MODE64
)
3729 else if (sizeflag
& DFLAG
)
3739 used_prefixes
|= (prefixes
& PREFIX_DATA
);
3750 oappend (INTERNAL_DISASSEMBLER_ERROR
);
3755 scratchbuf
[0] = '$';
3756 print_operand_value (scratchbuf
+ 1, 1, op
);
3757 oappend (scratchbuf
+ intel_syntax
);
3758 scratchbuf
[0] = '\0';
3762 OP_I64 (int bytemode
, int sizeflag
)
3765 bfd_signed_vma mask
= -1;
3769 OP_I (bytemode
, sizeflag
);
3776 FETCH_DATA (the_info
, codep
+ 1);
3781 USED_REX (REX_MODE64
);
3782 if (rex
& REX_MODE64
)
3784 else if (sizeflag
& DFLAG
)
3794 used_prefixes
|= (prefixes
& PREFIX_DATA
);
3801 oappend (INTERNAL_DISASSEMBLER_ERROR
);
3806 scratchbuf
[0] = '$';
3807 print_operand_value (scratchbuf
+ 1, 1, op
);
3808 oappend (scratchbuf
+ intel_syntax
);
3809 scratchbuf
[0] = '\0';
3813 OP_sI (int bytemode
, int sizeflag
)
3816 bfd_signed_vma mask
= -1;
3821 FETCH_DATA (the_info
, codep
+ 1);
3823 if ((op
& 0x80) != 0)
3828 USED_REX (REX_MODE64
);
3829 if (rex
& REX_MODE64
)
3831 else if (sizeflag
& DFLAG
)
3840 if ((op
& 0x8000) != 0)
3843 used_prefixes
|= (prefixes
& PREFIX_DATA
);
3848 if ((op
& 0x8000) != 0)
3852 oappend (INTERNAL_DISASSEMBLER_ERROR
);
3856 scratchbuf
[0] = '$';
3857 print_operand_value (scratchbuf
+ 1, 1, op
);
3858 oappend (scratchbuf
+ intel_syntax
);
3862 OP_J (int bytemode
, int sizeflag
)
3870 FETCH_DATA (the_info
, codep
+ 1);
3872 if ((disp
& 0x80) != 0)
3876 if (sizeflag
& DFLAG
)
3881 /* For some reason, a data16 prefix on a jump instruction
3882 means that the pc is masked to 16 bits after the
3883 displacement is added! */
3888 oappend (INTERNAL_DISASSEMBLER_ERROR
);
3891 disp
= (start_pc
+ codep
- start_codep
+ disp
) & mask
;
3893 print_operand_value (scratchbuf
, 1, disp
);
3894 oappend (scratchbuf
);
3898 OP_SEG (int dummy ATTRIBUTE_UNUSED
, int sizeflag ATTRIBUTE_UNUSED
)
3900 oappend (names_seg
[reg
]);
3904 OP_DIR (int dummy ATTRIBUTE_UNUSED
, int sizeflag
)
3908 if (sizeflag
& DFLAG
)
3918 used_prefixes
|= (prefixes
& PREFIX_DATA
);
3920 sprintf (scratchbuf
, "0x%x:0x%x", seg
, offset
);
3922 sprintf (scratchbuf
, "$0x%x,$0x%x", seg
, offset
);
3923 oappend (scratchbuf
);
3927 OP_OFF (int bytemode
, int sizeflag
)
3931 if (intel_syntax
&& (sizeflag
& SUFFIX_ALWAYS
))
3932 intel_operand_size (bytemode
, sizeflag
);
3935 if ((sizeflag
& AFLAG
) || mode_64bit
)
3942 if (!(prefixes
& (PREFIX_CS
| PREFIX_SS
| PREFIX_DS
3943 | PREFIX_ES
| PREFIX_FS
| PREFIX_GS
)))
3945 oappend (names_seg
[ds_reg
- es_reg
]);
3949 print_operand_value (scratchbuf
, 1, off
);
3950 oappend (scratchbuf
);
3954 OP_OFF64 (int bytemode
, int sizeflag
)
3960 OP_OFF (bytemode
, sizeflag
);
3964 if (intel_syntax
&& (sizeflag
& SUFFIX_ALWAYS
))
3965 intel_operand_size (bytemode
, sizeflag
);
3972 if (!(prefixes
& (PREFIX_CS
| PREFIX_SS
| PREFIX_DS
3973 | PREFIX_ES
| PREFIX_FS
| PREFIX_GS
)))
3975 oappend (names_seg
[ds_reg
- es_reg
]);
3979 print_operand_value (scratchbuf
, 1, off
);
3980 oappend (scratchbuf
);
3984 ptr_reg (int code
, int sizeflag
)
3988 *obufp
++ = open_char
;
3989 used_prefixes
|= (prefixes
& PREFIX_ADDR
);
3992 if (!(sizeflag
& AFLAG
))
3993 s
= names32
[code
- eAX_reg
];
3995 s
= names64
[code
- eAX_reg
];
3997 else if (sizeflag
& AFLAG
)
3998 s
= names32
[code
- eAX_reg
];
4000 s
= names16
[code
- eAX_reg
];
4002 *obufp
++ = close_char
;
4007 OP_ESreg (int code
, int sizeflag
)
4010 intel_operand_size (codep
[-1] & 1 ? v_mode
: b_mode
, sizeflag
);
4011 oappend ("%es:" + intel_syntax
);
4012 ptr_reg (code
, sizeflag
);
4016 OP_DSreg (int code
, int sizeflag
)
4019 intel_operand_size (codep
[-1] != 0xd7 && (codep
[-1] & 1)
4030 prefixes
|= PREFIX_DS
;
4032 ptr_reg (code
, sizeflag
);
4036 OP_C (int dummy ATTRIBUTE_UNUSED
, int sizeflag ATTRIBUTE_UNUSED
)
4041 USED_REX (REX_EXTX
);
4044 else if (!mode_64bit
&& (prefixes
& PREFIX_LOCK
))
4046 used_prefixes
|= PREFIX_LOCK
;
4049 sprintf (scratchbuf
, "%%cr%d", reg
+ add
);
4050 oappend (scratchbuf
+ intel_syntax
);
4054 OP_D (int dummy ATTRIBUTE_UNUSED
, int sizeflag ATTRIBUTE_UNUSED
)
4057 USED_REX (REX_EXTX
);
4061 sprintf (scratchbuf
, "db%d", reg
+ add
);
4063 sprintf (scratchbuf
, "%%db%d", reg
+ add
);
4064 oappend (scratchbuf
);
4068 OP_T (int dummy ATTRIBUTE_UNUSED
, int sizeflag ATTRIBUTE_UNUSED
)
4070 sprintf (scratchbuf
, "%%tr%d", reg
);
4071 oappend (scratchbuf
+ intel_syntax
);
4075 OP_Rd (int bytemode
, int sizeflag
)
4078 OP_E (bytemode
, sizeflag
);
4084 OP_MMX (int bytemode ATTRIBUTE_UNUSED
, int sizeflag ATTRIBUTE_UNUSED
)
4086 used_prefixes
|= (prefixes
& PREFIX_DATA
);
4087 if (prefixes
& PREFIX_DATA
)
4090 USED_REX (REX_EXTX
);
4093 sprintf (scratchbuf
, "%%xmm%d", reg
+ add
);
4096 sprintf (scratchbuf
, "%%mm%d", reg
);
4097 oappend (scratchbuf
+ intel_syntax
);
4101 OP_XMM (int bytemode ATTRIBUTE_UNUSED
, int sizeflag ATTRIBUTE_UNUSED
)
4104 USED_REX (REX_EXTX
);
4107 sprintf (scratchbuf
, "%%xmm%d", reg
+ add
);
4108 oappend (scratchbuf
+ intel_syntax
);
4112 OP_EM (int bytemode
, int sizeflag
)
4116 if (intel_syntax
&& bytemode
== v_mode
)
4118 bytemode
= (prefixes
& PREFIX_DATA
) ? x_mode
: q_mode
;
4119 used_prefixes
|= (prefixes
& PREFIX_DATA
);
4121 OP_E (bytemode
, sizeflag
);
4125 /* Skip mod/rm byte. */
4128 used_prefixes
|= (prefixes
& PREFIX_DATA
);
4129 if (prefixes
& PREFIX_DATA
)
4133 USED_REX (REX_EXTZ
);
4136 sprintf (scratchbuf
, "%%xmm%d", rm
+ add
);
4139 sprintf (scratchbuf
, "%%mm%d", rm
);
4140 oappend (scratchbuf
+ intel_syntax
);
4144 OP_EX (int bytemode
, int sizeflag
)
4149 if (intel_syntax
&& bytemode
== v_mode
)
4151 switch (prefixes
& (PREFIX_DATA
|PREFIX_REPZ
|PREFIX_REPNZ
))
4153 case 0: bytemode
= x_mode
; break;
4154 case PREFIX_REPZ
: bytemode
= d_mode
; used_prefixes
|= PREFIX_REPZ
; break;
4155 case PREFIX_DATA
: bytemode
= x_mode
; used_prefixes
|= PREFIX_DATA
; break;
4156 case PREFIX_REPNZ
: bytemode
= q_mode
; used_prefixes
|= PREFIX_REPNZ
; break;
4157 default: bytemode
= 0; break;
4160 OP_E (bytemode
, sizeflag
);
4163 USED_REX (REX_EXTZ
);
4167 /* Skip mod/rm byte. */
4170 sprintf (scratchbuf
, "%%xmm%d", rm
+ add
);
4171 oappend (scratchbuf
+ intel_syntax
);
4175 OP_MS (int bytemode
, int sizeflag
)
4178 OP_EM (bytemode
, sizeflag
);
4184 OP_XS (int bytemode
, int sizeflag
)
4187 OP_EX (bytemode
, sizeflag
);
4193 OP_M (int bytemode
, int sizeflag
)
4196 BadOp (); /* bad lea,lds,les,lfs,lgs,lss modrm */
4198 OP_E (bytemode
, sizeflag
);
4202 OP_0f07 (int bytemode
, int sizeflag
)
4204 if (mod
!= 3 || rm
!= 0)
4207 OP_E (bytemode
, sizeflag
);
4211 OP_0fae (int bytemode
, int sizeflag
)
4216 strcpy (obuf
+ strlen (obuf
) - sizeof ("clflush") + 1, "sfence");
4218 if (reg
< 5 || rm
!= 0)
4220 BadOp (); /* bad sfence, mfence, or lfence */
4226 BadOp (); /* bad clflush */
4230 OP_E (bytemode
, sizeflag
);
4234 NOP_Fixup (int bytemode ATTRIBUTE_UNUSED
, int sizeflag ATTRIBUTE_UNUSED
)
4236 /* NOP with REPZ prefix is called PAUSE. */
4237 if (prefixes
== PREFIX_REPZ
)
4238 strcpy (obuf
, "pause");
4241 static const char *const Suffix3DNow
[] = {
4242 /* 00 */ NULL
, NULL
, NULL
, NULL
,
4243 /* 04 */ NULL
, NULL
, NULL
, NULL
,
4244 /* 08 */ NULL
, NULL
, NULL
, NULL
,
4245 /* 0C */ "pi2fw", "pi2fd", NULL
, NULL
,
4246 /* 10 */ NULL
, NULL
, NULL
, NULL
,
4247 /* 14 */ NULL
, NULL
, NULL
, NULL
,
4248 /* 18 */ NULL
, NULL
, NULL
, NULL
,
4249 /* 1C */ "pf2iw", "pf2id", NULL
, NULL
,
4250 /* 20 */ NULL
, NULL
, NULL
, NULL
,
4251 /* 24 */ NULL
, NULL
, NULL
, NULL
,
4252 /* 28 */ NULL
, NULL
, NULL
, NULL
,
4253 /* 2C */ NULL
, NULL
, NULL
, NULL
,
4254 /* 30 */ NULL
, NULL
, NULL
, NULL
,
4255 /* 34 */ NULL
, NULL
, NULL
, NULL
,
4256 /* 38 */ NULL
, NULL
, NULL
, NULL
,
4257 /* 3C */ NULL
, NULL
, NULL
, NULL
,
4258 /* 40 */ NULL
, NULL
, NULL
, NULL
,
4259 /* 44 */ NULL
, NULL
, NULL
, NULL
,
4260 /* 48 */ NULL
, NULL
, NULL
, NULL
,
4261 /* 4C */ NULL
, NULL
, NULL
, NULL
,
4262 /* 50 */ NULL
, NULL
, NULL
, NULL
,
4263 /* 54 */ NULL
, NULL
, NULL
, NULL
,
4264 /* 58 */ NULL
, NULL
, NULL
, NULL
,
4265 /* 5C */ NULL
, NULL
, NULL
, NULL
,
4266 /* 60 */ NULL
, NULL
, NULL
, NULL
,
4267 /* 64 */ NULL
, NULL
, NULL
, NULL
,
4268 /* 68 */ NULL
, NULL
, NULL
, NULL
,
4269 /* 6C */ NULL
, NULL
, NULL
, NULL
,
4270 /* 70 */ NULL
, NULL
, NULL
, NULL
,
4271 /* 74 */ NULL
, NULL
, NULL
, NULL
,
4272 /* 78 */ NULL
, NULL
, NULL
, NULL
,
4273 /* 7C */ NULL
, NULL
, NULL
, NULL
,
4274 /* 80 */ NULL
, NULL
, NULL
, NULL
,
4275 /* 84 */ NULL
, NULL
, NULL
, NULL
,
4276 /* 88 */ NULL
, NULL
, "pfnacc", NULL
,
4277 /* 8C */ NULL
, NULL
, "pfpnacc", NULL
,
4278 /* 90 */ "pfcmpge", NULL
, NULL
, NULL
,
4279 /* 94 */ "pfmin", NULL
, "pfrcp", "pfrsqrt",
4280 /* 98 */ NULL
, NULL
, "pfsub", NULL
,
4281 /* 9C */ NULL
, NULL
, "pfadd", NULL
,
4282 /* A0 */ "pfcmpgt", NULL
, NULL
, NULL
,
4283 /* A4 */ "pfmax", NULL
, "pfrcpit1", "pfrsqit1",
4284 /* A8 */ NULL
, NULL
, "pfsubr", NULL
,
4285 /* AC */ NULL
, NULL
, "pfacc", NULL
,
4286 /* B0 */ "pfcmpeq", NULL
, NULL
, NULL
,
4287 /* B4 */ "pfmul", NULL
, "pfrcpit2", "pfmulhrw",
4288 /* B8 */ NULL
, NULL
, NULL
, "pswapd",
4289 /* BC */ NULL
, NULL
, NULL
, "pavgusb",
4290 /* C0 */ NULL
, NULL
, NULL
, NULL
,
4291 /* C4 */ NULL
, NULL
, NULL
, NULL
,
4292 /* C8 */ NULL
, NULL
, NULL
, NULL
,
4293 /* CC */ NULL
, NULL
, NULL
, NULL
,
4294 /* D0 */ NULL
, NULL
, NULL
, NULL
,
4295 /* D4 */ NULL
, NULL
, NULL
, NULL
,
4296 /* D8 */ NULL
, NULL
, NULL
, NULL
,
4297 /* DC */ NULL
, NULL
, NULL
, NULL
,
4298 /* E0 */ NULL
, NULL
, NULL
, NULL
,
4299 /* E4 */ NULL
, NULL
, NULL
, NULL
,
4300 /* E8 */ NULL
, NULL
, NULL
, NULL
,
4301 /* EC */ NULL
, NULL
, NULL
, NULL
,
4302 /* F0 */ NULL
, NULL
, NULL
, NULL
,
4303 /* F4 */ NULL
, NULL
, NULL
, NULL
,
4304 /* F8 */ NULL
, NULL
, NULL
, NULL
,
4305 /* FC */ NULL
, NULL
, NULL
, NULL
,
4309 OP_3DNowSuffix (int bytemode ATTRIBUTE_UNUSED
, int sizeflag ATTRIBUTE_UNUSED
)
4311 const char *mnemonic
;
4313 FETCH_DATA (the_info
, codep
+ 1);
4314 /* AMD 3DNow! instructions are specified by an opcode suffix in the
4315 place where an 8-bit immediate would normally go. ie. the last
4316 byte of the instruction. */
4317 obufp
= obuf
+ strlen (obuf
);
4318 mnemonic
= Suffix3DNow
[*codep
++ & 0xff];
4323 /* Since a variable sized modrm/sib chunk is between the start
4324 of the opcode (0x0f0f) and the opcode suffix, we need to do
4325 all the modrm processing first, and don't know until now that
4326 we have a bad opcode. This necessitates some cleaning up. */
4333 static const char *simd_cmp_op
[] = {
4345 OP_SIMD_Suffix (int bytemode ATTRIBUTE_UNUSED
, int sizeflag ATTRIBUTE_UNUSED
)
4347 unsigned int cmp_type
;
4349 FETCH_DATA (the_info
, codep
+ 1);
4350 obufp
= obuf
+ strlen (obuf
);
4351 cmp_type
= *codep
++ & 0xff;
4354 char suffix1
= 'p', suffix2
= 's';
4355 used_prefixes
|= (prefixes
& PREFIX_REPZ
);
4356 if (prefixes
& PREFIX_REPZ
)
4360 used_prefixes
|= (prefixes
& PREFIX_DATA
);
4361 if (prefixes
& PREFIX_DATA
)
4365 used_prefixes
|= (prefixes
& PREFIX_REPNZ
);
4366 if (prefixes
& PREFIX_REPNZ
)
4367 suffix1
= 's', suffix2
= 'd';
4370 sprintf (scratchbuf
, "cmp%s%c%c",
4371 simd_cmp_op
[cmp_type
], suffix1
, suffix2
);
4372 used_prefixes
|= (prefixes
& PREFIX_REPZ
);
4373 oappend (scratchbuf
);
4377 /* We have a bad extension byte. Clean up. */
4385 SIMD_Fixup (int extrachar
, int sizeflag ATTRIBUTE_UNUSED
)
4387 /* Change movlps/movhps to movhlps/movlhps for 2 register operand
4388 forms of these instructions. */
4391 char *p
= obuf
+ strlen (obuf
);
4394 *(p
- 1) = *(p
- 2);
4395 *(p
- 2) = *(p
- 3);
4396 *(p
- 3) = extrachar
;
4401 PNI_Fixup (int extrachar ATTRIBUTE_UNUSED
, int sizeflag
)
4403 if (mod
== 3 && reg
== 1 && rm
<= 1)
4405 /* Override "sidt". */
4406 char *p
= obuf
+ strlen (obuf
) - 4;
4408 /* We might have a suffix when disassembling with -Msuffix. */
4414 /* mwait %eax,%ecx */
4415 strcpy (p
, "mwait");
4417 strcpy (op1out
, names32
[0]);
4421 /* monitor %eax,%ecx,%edx" */
4422 strcpy (p
, "monitor");
4426 strcpy (op1out
, names32
[0]);
4427 else if (!(prefixes
& PREFIX_ADDR
))
4428 strcpy (op1out
, names64
[0]);
4431 strcpy (op1out
, names32
[0]);
4432 used_prefixes
|= PREFIX_ADDR
;
4434 strcpy (op3out
, names32
[2]);
4439 strcpy (op2out
, names32
[1]);
4450 SVME_Fixup (int bytemode
, int sizeflag
)
4482 OP_M (bytemode
, sizeflag
);
4485 /* Override "lidt". */
4486 p
= obuf
+ strlen (obuf
) - 4;
4487 /* We might have a suffix. */
4491 if (!(prefixes
& PREFIX_ADDR
))
4496 used_prefixes
|= PREFIX_ADDR
;
4500 strcpy (op2out
, names32
[1]);
4506 *obufp
++ = open_char
;
4507 if (mode_64bit
|| (sizeflag
& AFLAG
))
4511 strcpy (obufp
, alt
);
4512 obufp
+= strlen (alt
);
4513 *obufp
++ = close_char
;
4520 INVLPG_Fixup (int bytemode
, int sizeflag
)
4533 OP_M (bytemode
, sizeflag
);
4536 /* Override "invlpg". */
4537 strcpy (obuf
+ strlen (obuf
) - 6, alt
);
4544 /* Throw away prefixes and 1st. opcode byte. */
4545 codep
= insn_codep
+ 1;
4550 SEG_Fixup (int extrachar
, int sizeflag
)
4554 /* We need to add a proper suffix with
4565 if (prefixes
& PREFIX_DATA
)
4569 USED_REX (REX_MODE64
);
4570 if (rex
& REX_MODE64
)
4575 strcat (obuf
, suffix
);
4579 /* We need to fix the suffix for
4586 Override "mov[l|q]". */
4587 char *p
= obuf
+ strlen (obuf
) - 1;
4589 /* We might not have a suffix. */
4595 OP_E (extrachar
, sizeflag
);
4599 VMX_Fixup (int extrachar ATTRIBUTE_UNUSED
, int sizeflag
)
4601 if (mod
== 3 && reg
== 0 && rm
>=1 && rm
<= 4)
4603 /* Override "sgdt". */
4604 char *p
= obuf
+ strlen (obuf
) - 4;
4606 /* We might have a suffix when disassembling with -Msuffix. */
4613 strcpy (p
, "vmcall");
4616 strcpy (p
, "vmlaunch");
4619 strcpy (p
, "vmresume");
4622 strcpy (p
, "vmxoff");
4633 OP_VMX (int bytemode
, int sizeflag
)
4635 used_prefixes
|= (prefixes
& (PREFIX_DATA
| PREFIX_REPZ
));
4636 if (prefixes
& PREFIX_DATA
)
4637 strcpy (obuf
, "vmclear");
4638 else if (prefixes
& PREFIX_REPZ
)
4639 strcpy (obuf
, "vmxon");
4641 strcpy (obuf
, "vmptrld");
4642 OP_E (bytemode
, sizeflag
);