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 /* Extracted from binutils 2.16.91.0.2 (OpenSUSE 10.0) and modified for kdb use.
22 * Run through col -b to remove trailing whitespace and various #ifdef/ifndef
24 * Keith Owens <kaos@sgi.com> 15 May 2006
27 /* 80386 instruction printer by Pace Willisson (pace@prep.ai.mit.edu)
29 modified by John Hassey (hassey@dg-rtp.dg.com)
30 x86-64 support added by Jan Hubicka (jh@suse.cz)
31 VIA PadLock support by Michal Ludvig (mludvig@suse.cz). */
33 /* The main tables describing the instructions is essentially a copy
34 of the "Opcode Map" chapter (Appendix A) of the Intel 80386
35 Programmers Manual. Usually, there is a capital letter, followed
36 by a small letter. The capital letter tell the addressing mode,
37 and the small letter tells about the operand size. Refer to
38 the Intel manual for details. */
41 #include <linux/kernel.h>
42 #include <linux/string.h>
43 #include <linux/dis-asm.h>
44 #include <linux/kdb.h>
46 #else /* __KERNEL__ */
50 #endif /* __KERNEL__ */
56 #endif /* __KERNEL__ */
58 #ifndef UNIXWARE_COMPAT
59 /* Set non-zero for broken, compatible instructions. Set to zero for
60 non-broken opcodes. */
61 #define UNIXWARE_COMPAT 1
64 static int fetch_data (struct disassemble_info *, bfd_byte *);
65 static void ckprefix (void);
66 static const char *prefix_name (int, int);
67 static int print_insn (bfd_vma, disassemble_info *);
68 static void dofloat (int);
69 static void OP_ST (int, int);
70 static void OP_STi (int, int);
71 static int putop (const char *, int);
72 static void oappend (const char *);
73 static void append_seg (void);
74 static void OP_indirE (int, int);
75 static void print_operand_value (char *, int, bfd_vma);
76 static void OP_E (int, int);
77 static void OP_G (int, int);
78 static bfd_vma get64 (void);
79 static bfd_signed_vma get32 (void);
80 static bfd_signed_vma get32s (void);
81 static int get16 (void);
82 static void set_op (bfd_vma, int);
83 static void OP_REG (int, int);
84 static void OP_IMREG (int, int);
85 static void OP_I (int, int);
86 static void OP_I64 (int, int);
87 static void OP_sI (int, int);
88 static void OP_J (int, int);
89 static void OP_SEG (int, int);
90 static void OP_DIR (int, int);
91 static void OP_OFF (int, int);
92 static void OP_OFF64 (int, int);
93 static void ptr_reg (int, int);
94 static void OP_ESreg (int, int);
95 static void OP_DSreg (int, int);
96 static void OP_C (int, int);
97 static void OP_D (int, int);
98 static void OP_T (int, int);
99 static void OP_Rd (int, int);
100 static void OP_MMX (int, int);
101 static void OP_XMM (int, int);
102 static void OP_EM (int, int);
103 static void OP_EX (int, int);
104 static void OP_MS (int, int);
105 static void OP_XS (int, int);
106 static void OP_M (int, int);
107 static void OP_VMX (int, int);
108 static void OP_0fae (int, int);
109 static void OP_0f07 (int, int);
110 static void NOP_Fixup (int, int);
111 static void OP_3DNowSuffix (int, int);
112 static void OP_SIMD_Suffix (int, int);
113 static void SIMD_Fixup (int, int);
114 static void PNI_Fixup (int, int);
115 static void SVME_Fixup (int, int);
116 static void INVLPG_Fixup (int, int);
117 static void BadOp (void);
118 static void SEG_Fixup (int, int);
119 static void VMX_Fixup (int, int);
122 /* Points to first byte not fetched. */
123 bfd_byte *max_fetched;
124 bfd_byte the_buffer[MAXLEN];
129 #endif /* __KERNEL__ */
132 /* The opcode for the fwait instruction, which we treat as a prefix
134 #define FWAIT_OPCODE (0x9b)
136 /* Set to 1 for 64bit mode disassembly. */
137 static int mode_64bit;
139 /* Flags for the prefixes for the current instruction. See below. */
142 /* REX prefix the current instruction. See below. */
144 /* Bits of REX we've already used. */
150 /* Mark parts used in the REX prefix. When we are testing for
151 empty prefix (for 8bit register REX extension), just mask it
152 out. Otherwise test for REX bit is excuse for existence of REX
153 only in case value is nonzero. */
154 #define USED_REX(value) \
157 rex_used |= (rex & value) ? (value) | 0x40 : 0; \
162 /* Flags for prefixes which we somehow handled when printing the
163 current instruction. */
164 static int used_prefixes;
166 /* Flags stored in PREFIXES. */
167 #define PREFIX_REPZ 1
168 #define PREFIX_REPNZ 2
169 #define PREFIX_LOCK 4
171 #define PREFIX_SS 0x10
172 #define PREFIX_DS 0x20
173 #define PREFIX_ES 0x40
174 #define PREFIX_FS 0x80
175 #define PREFIX_GS 0x100
176 #define PREFIX_DATA 0x200
177 #define PREFIX_ADDR 0x400
178 #define PREFIX_FWAIT 0x800
180 /* Make sure that bytes from INFO->PRIVATE_DATA->BUFFER (inclusive)
181 to ADDR (exclusive) are valid. Returns 1 for success, longjmps
183 #define FETCH_DATA(info, addr) \
184 ((addr) <= ((struct dis_private *) (info->private_data))->max_fetched \
185 ? 1 : fetch_data ((info), (addr)))
188 fetch_data (struct disassemble_info *info, bfd_byte *addr)
191 struct dis_private *priv = (struct dis_private *) info->private_data;
192 bfd_vma start = priv->insn_start + (priv->max_fetched - priv->the_buffer);
194 status = (*info->read_memory_func) (start,
196 addr - priv->max_fetched,
200 /* If we did manage to read at least one byte, then
201 print_insn_i386 will do something sensible. Otherwise, print
202 an error. We do that here because this is where we know
204 if (priv->max_fetched == priv->the_buffer)
205 (*info->memory_error_func) (status, start, info);
207 longjmp (priv->bailout, 1);
208 #else /* __KERNEL__ */
209 /* XXX - what to do? */
210 kdb_printf("Hmm. longjmp.\n");
211 #endif /* __KERNEL__ */
214 priv->max_fetched = addr;
220 #define Eb OP_E, b_mode
221 #define Ev OP_E, v_mode
222 #define Ed OP_E, d_mode
223 #define Eq OP_E, q_mode
224 #define Edq OP_E, dq_mode
225 #define Edqw OP_E, dqw_mode
226 #define indirEv OP_indirE, branch_v_mode
227 #define indirEp OP_indirE, f_mode
228 #define Em OP_E, m_mode
229 #define Ew OP_E, w_mode
230 #define Ma OP_E, v_mode
231 #define M OP_M, 0 /* lea, lgdt, etc. */
232 #define Mp OP_M, f_mode /* 32 or 48 bit memory operand for LDS, LES etc */
233 #define Gb OP_G, b_mode
234 #define Gv OP_G, v_mode
235 #define Gd OP_G, d_mode
236 #define Gdq OP_G, dq_mode
237 #define Gm OP_G, m_mode
238 #define Gw OP_G, w_mode
239 #define Rd OP_Rd, d_mode
240 #define Rm OP_Rd, m_mode
241 #define Ib OP_I, b_mode
242 #define sIb OP_sI, b_mode /* sign extened byte */
243 #define Iv OP_I, v_mode
244 #define Iq OP_I, q_mode
245 #define Iv64 OP_I64, v_mode
246 #define Iw OP_I, w_mode
247 #define I1 OP_I, const_1_mode
248 #define Jb OP_J, b_mode
249 #define Jv OP_J, v_mode
250 #define Cm OP_C, m_mode
251 #define Dm OP_D, m_mode
252 #define Td OP_T, d_mode
253 #define Sv SEG_Fixup, v_mode
255 #define RMeAX OP_REG, eAX_reg
256 #define RMeBX OP_REG, eBX_reg
257 #define RMeCX OP_REG, eCX_reg
258 #define RMeDX OP_REG, eDX_reg
259 #define RMeSP OP_REG, eSP_reg
260 #define RMeBP OP_REG, eBP_reg
261 #define RMeSI OP_REG, eSI_reg
262 #define RMeDI OP_REG, eDI_reg
263 #define RMrAX OP_REG, rAX_reg
264 #define RMrBX OP_REG, rBX_reg
265 #define RMrCX OP_REG, rCX_reg
266 #define RMrDX OP_REG, rDX_reg
267 #define RMrSP OP_REG, rSP_reg
268 #define RMrBP OP_REG, rBP_reg
269 #define RMrSI OP_REG, rSI_reg
270 #define RMrDI OP_REG, rDI_reg
271 #define RMAL OP_REG, al_reg
272 #define RMAL OP_REG, al_reg
273 #define RMCL OP_REG, cl_reg
274 #define RMDL OP_REG, dl_reg
275 #define RMBL OP_REG, bl_reg
276 #define RMAH OP_REG, ah_reg
277 #define RMCH OP_REG, ch_reg
278 #define RMDH OP_REG, dh_reg
279 #define RMBH OP_REG, bh_reg
280 #define RMAX OP_REG, ax_reg
281 #define RMDX OP_REG, dx_reg
283 #define eAX OP_IMREG, eAX_reg
284 #define eBX OP_IMREG, eBX_reg
285 #define eCX OP_IMREG, eCX_reg
286 #define eDX OP_IMREG, eDX_reg
287 #define eSP OP_IMREG, eSP_reg
288 #define eBP OP_IMREG, eBP_reg
289 #define eSI OP_IMREG, eSI_reg
290 #define eDI OP_IMREG, eDI_reg
291 #define AL OP_IMREG, al_reg
292 #define AL OP_IMREG, al_reg
293 #define CL OP_IMREG, cl_reg
294 #define DL OP_IMREG, dl_reg
295 #define BL OP_IMREG, bl_reg
296 #define AH OP_IMREG, ah_reg
297 #define CH OP_IMREG, ch_reg
298 #define DH OP_IMREG, dh_reg
299 #define BH OP_IMREG, bh_reg
300 #define AX OP_IMREG, ax_reg
301 #define DX OP_IMREG, dx_reg
302 #define indirDX OP_IMREG, indir_dx_reg
304 #define Sw OP_SEG, w_mode
306 #define Ob OP_OFF, b_mode
307 #define Ob64 OP_OFF64, b_mode
308 #define Ov OP_OFF, v_mode
309 #define Ov64 OP_OFF64, v_mode
310 #define Xb OP_DSreg, eSI_reg
311 #define Xv OP_DSreg, eSI_reg
312 #define Yb OP_ESreg, eDI_reg
313 #define Yv OP_ESreg, eDI_reg
314 #define DSBX OP_DSreg, eBX_reg
316 #define es OP_REG, es_reg
317 #define ss OP_REG, ss_reg
318 #define cs OP_REG, cs_reg
319 #define ds OP_REG, ds_reg
320 #define fs OP_REG, fs_reg
321 #define gs OP_REG, gs_reg
325 #define EM OP_EM, v_mode
326 #define EX OP_EX, v_mode
327 #define MS OP_MS, v_mode
328 #define XS OP_XS, v_mode
329 #define VM OP_VMX, q_mode
330 #define OPSUF OP_3DNowSuffix, 0
331 #define OPSIMD OP_SIMD_Suffix, 0
333 #define cond_jump_flag NULL, cond_jump_mode
334 #define loop_jcxz_flag NULL, loop_jcxz_mode
336 /* bits in sizeflag */
337 #define SUFFIX_ALWAYS 4
341 #define b_mode 1 /* byte operand */
342 #define v_mode 2 /* operand size depends on prefixes */
343 #define w_mode 3 /* word operand */
344 #define d_mode 4 /* double word operand */
345 #define q_mode 5 /* quad word operand */
346 #define t_mode 6 /* ten-byte operand */
347 #define x_mode 7 /* 16-byte XMM operand */
348 #define m_mode 8 /* d_mode in 32bit, q_mode in 64bit mode. */
349 #define cond_jump_mode 9
350 #define loop_jcxz_mode 10
351 #define dq_mode 11 /* operand size depends on REX prefixes. */
352 #define dqw_mode 12 /* registers like dq_mode, memory like w_mode. */
353 #define f_mode 13 /* 4- or 6-byte pointer operand */
354 #define const_1_mode 14
355 #define branch_v_mode 15 /* v_mode for branch. */
400 #define indir_dx_reg 150
404 #define USE_PREFIX_USER_TABLE 3
405 #define X86_64_SPECIAL 4
407 #define FLOAT NULL, NULL, FLOATCODE, NULL, 0, NULL, 0
409 #define GRP1b NULL, NULL, USE_GROUPS, NULL, 0, NULL, 0
410 #define GRP1S NULL, NULL, USE_GROUPS, NULL, 1, NULL, 0
411 #define GRP1Ss NULL, NULL, USE_GROUPS, NULL, 2, NULL, 0
412 #define GRP2b NULL, NULL, USE_GROUPS, NULL, 3, NULL, 0
413 #define GRP2S NULL, NULL, USE_GROUPS, NULL, 4, NULL, 0
414 #define GRP2b_one NULL, NULL, USE_GROUPS, NULL, 5, NULL, 0
415 #define GRP2S_one NULL, NULL, USE_GROUPS, NULL, 6, NULL, 0
416 #define GRP2b_cl NULL, NULL, USE_GROUPS, NULL, 7, NULL, 0
417 #define GRP2S_cl NULL, NULL, USE_GROUPS, NULL, 8, NULL, 0
418 #define GRP3b NULL, NULL, USE_GROUPS, NULL, 9, NULL, 0
419 #define GRP3S NULL, NULL, USE_GROUPS, NULL, 10, NULL, 0
420 #define GRP4 NULL, NULL, USE_GROUPS, NULL, 11, NULL, 0
421 #define GRP5 NULL, NULL, USE_GROUPS, NULL, 12, NULL, 0
422 #define GRP6 NULL, NULL, USE_GROUPS, NULL, 13, NULL, 0
423 #define GRP7 NULL, NULL, USE_GROUPS, NULL, 14, NULL, 0
424 #define GRP8 NULL, NULL, USE_GROUPS, NULL, 15, NULL, 0
425 #define GRP9 NULL, NULL, USE_GROUPS, NULL, 16, NULL, 0
426 #define GRP10 NULL, NULL, USE_GROUPS, NULL, 17, NULL, 0
427 #define GRP11 NULL, NULL, USE_GROUPS, NULL, 18, NULL, 0
428 #define GRP12 NULL, NULL, USE_GROUPS, NULL, 19, NULL, 0
429 #define GRP13 NULL, NULL, USE_GROUPS, NULL, 20, NULL, 0
430 #define GRP14 NULL, NULL, USE_GROUPS, NULL, 21, NULL, 0
431 #define GRPAMD NULL, NULL, USE_GROUPS, NULL, 22, NULL, 0
432 #define GRPPADLCK1 NULL, NULL, USE_GROUPS, NULL, 23, NULL, 0
433 #define GRPPADLCK2 NULL, NULL, USE_GROUPS, NULL, 24, NULL, 0
435 #define PREGRP0 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 0, NULL, 0
436 #define PREGRP1 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 1, NULL, 0
437 #define PREGRP2 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 2, NULL, 0
438 #define PREGRP3 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 3, NULL, 0
439 #define PREGRP4 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 4, NULL, 0
440 #define PREGRP5 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 5, NULL, 0
441 #define PREGRP6 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 6, NULL, 0
442 #define PREGRP7 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 7, NULL, 0
443 #define PREGRP8 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 8, NULL, 0
444 #define PREGRP9 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 9, NULL, 0
445 #define PREGRP10 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 10, NULL, 0
446 #define PREGRP11 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 11, NULL, 0
447 #define PREGRP12 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 12, NULL, 0
448 #define PREGRP13 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 13, NULL, 0
449 #define PREGRP14 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 14, NULL, 0
450 #define PREGRP15 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 15, NULL, 0
451 #define PREGRP16 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 16, NULL, 0
452 #define PREGRP17 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 17, NULL, 0
453 #define PREGRP18 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 18, NULL, 0
454 #define PREGRP19 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 19, NULL, 0
455 #define PREGRP20 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 20, NULL, 0
456 #define PREGRP21 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 21, NULL, 0
457 #define PREGRP22 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 22, NULL, 0
458 #define PREGRP23 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 23, NULL, 0
459 #define PREGRP24 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 24, NULL, 0
460 #define PREGRP25 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 25, NULL, 0
461 #define PREGRP26 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 26, NULL, 0
462 #define PREGRP27 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 27, NULL, 0
463 #define PREGRP28 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 28, NULL, 0
464 #define PREGRP29 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 29, NULL, 0
465 #define PREGRP30 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 30, NULL, 0
466 #define PREGRP31 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 31, NULL, 0
467 #define PREGRP32 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 32, NULL, 0
469 #define X86_64_0 NULL, NULL, X86_64_SPECIAL, NULL, 0, NULL, 0
471 typedef void (*op_rtn) (int bytemode, int sizeflag);
483 /* Upper case letters in the instruction names here are macros.
484 'A' => print 'b' if no register operands or suffix_always is true
485 'B' => print 'b' if suffix_always is true
486 'C' => print 's' or 'l' ('w' or 'd' in Intel mode) depending on operand
488 'E' => print 'e' if 32-bit form of jcxz
489 'F' => print 'w' or 'l' depending on address size prefix (loop insns)
490 'H' => print ",pt" or ",pn" branch hint
491 'I' => honor following macro letter even in Intel mode (implemented only
492 . for some of the macro letters)
494 'L' => print 'l' if suffix_always is true
495 'N' => print 'n' if instruction has no wait "prefix"
496 'O' => print 'd', or 'o'
497 'P' => print 'w', 'l' or 'q' if instruction has an operand size prefix,
498 . or suffix_always is true. print 'q' if rex prefix is present.
499 'Q' => print 'w', 'l' or 'q' if no register operands or suffix_always
501 'R' => print 'w', 'l' or 'q' ("wd" or "dq" in intel mode)
502 'S' => print 'w', 'l' or 'q' if suffix_always is true
503 'T' => print 'q' in 64bit mode and behave as 'P' otherwise
504 'U' => print 'q' in 64bit mode and behave as 'Q' otherwise
505 'W' => print 'b' or 'w' ("w" or "de" in intel mode)
506 'X' => print 's', 'd' depending on data16 prefix (for XMM)
507 'Y' => 'q' if instruction has an REX 64bit overwrite prefix
509 Many of the above letters print nothing in Intel mode. See "putop"
512 Braces '{' and '}', and vertical bars '|', indicate alternative
513 mnemonic strings for AT&T, Intel, X86_64 AT&T, and X86_64 Intel
514 modes. In cases where there are only two alternatives, the X86_64
515 instruction is reserved, and "(bad)" is printed.
518 static const struct dis386 dis386[] = {
520 { "addB", Eb, Gb, XX },
521 { "addS", Ev, Gv, XX },
522 { "addB", Gb, Eb, XX },
523 { "addS", Gv, Ev, XX },
524 { "addB", AL, Ib, XX },
525 { "addS", eAX, Iv, XX },
526 { "push{T|}", es, XX, XX },
527 { "pop{T|}", es, XX, XX },
529 { "orB", Eb, Gb, XX },
530 { "orS", Ev, Gv, XX },
531 { "orB", Gb, Eb, XX },
532 { "orS", Gv, Ev, XX },
533 { "orB", AL, Ib, XX },
534 { "orS", eAX, Iv, XX },
535 { "push{T|}", cs, XX, XX },
536 { "(bad)", XX, XX, XX }, /* 0x0f extended opcode escape */
538 { "adcB", Eb, Gb, XX },
539 { "adcS", Ev, Gv, XX },
540 { "adcB", Gb, Eb, XX },
541 { "adcS", Gv, Ev, XX },
542 { "adcB", AL, Ib, XX },
543 { "adcS", eAX, Iv, XX },
544 { "push{T|}", ss, XX, XX },
545 { "popT|}", ss, XX, XX },
547 { "sbbB", Eb, Gb, XX },
548 { "sbbS", Ev, Gv, XX },
549 { "sbbB", Gb, Eb, XX },
550 { "sbbS", Gv, Ev, XX },
551 { "sbbB", AL, Ib, XX },
552 { "sbbS", eAX, Iv, XX },
553 { "push{T|}", ds, XX, XX },
554 { "pop{T|}", ds, XX, XX },
556 { "andB", Eb, Gb, XX },
557 { "andS", Ev, Gv, XX },
558 { "andB", Gb, Eb, XX },
559 { "andS", Gv, Ev, XX },
560 { "andB", AL, Ib, XX },
561 { "andS", eAX, Iv, XX },
562 { "(bad)", XX, XX, XX }, /* SEG ES prefix */
563 { "daa{|}", XX, XX, XX },
565 { "subB", Eb, Gb, XX },
566 { "subS", Ev, Gv, XX },
567 { "subB", Gb, Eb, XX },
568 { "subS", Gv, Ev, XX },
569 { "subB", AL, Ib, XX },
570 { "subS", eAX, Iv, XX },
571 { "(bad)", XX, XX, XX }, /* SEG CS prefix */
572 { "das{|}", XX, XX, XX },
574 { "xorB", Eb, Gb, XX },
575 { "xorS", Ev, Gv, XX },
576 { "xorB", Gb, Eb, XX },
577 { "xorS", Gv, Ev, XX },
578 { "xorB", AL, Ib, XX },
579 { "xorS", eAX, Iv, XX },
580 { "(bad)", XX, XX, XX }, /* SEG SS prefix */
581 { "aaa{|}", XX, XX, XX },
583 { "cmpB", Eb, Gb, XX },
584 { "cmpS", Ev, Gv, XX },
585 { "cmpB", Gb, Eb, XX },
586 { "cmpS", Gv, Ev, XX },
587 { "cmpB", AL, Ib, XX },
588 { "cmpS", eAX, Iv, XX },
589 { "(bad)", XX, XX, XX }, /* SEG DS prefix */
590 { "aas{|}", XX, XX, XX },
592 { "inc{S|}", RMeAX, XX, XX },
593 { "inc{S|}", RMeCX, XX, XX },
594 { "inc{S|}", RMeDX, XX, XX },
595 { "inc{S|}", RMeBX, XX, XX },
596 { "inc{S|}", RMeSP, XX, XX },
597 { "inc{S|}", RMeBP, XX, XX },
598 { "inc{S|}", RMeSI, XX, XX },
599 { "inc{S|}", RMeDI, XX, XX },
601 { "dec{S|}", RMeAX, XX, XX },
602 { "dec{S|}", RMeCX, XX, XX },
603 { "dec{S|}", RMeDX, XX, XX },
604 { "dec{S|}", RMeBX, XX, XX },
605 { "dec{S|}", RMeSP, XX, XX },
606 { "dec{S|}", RMeBP, XX, XX },
607 { "dec{S|}", RMeSI, XX, XX },
608 { "dec{S|}", RMeDI, XX, XX },
610 { "pushS", RMrAX, XX, XX },
611 { "pushS", RMrCX, XX, XX },
612 { "pushS", RMrDX, XX, XX },
613 { "pushS", RMrBX, XX, XX },
614 { "pushS", RMrSP, XX, XX },
615 { "pushS", RMrBP, XX, XX },
616 { "pushS", RMrSI, XX, XX },
617 { "pushS", RMrDI, XX, XX },
619 { "popS", RMrAX, XX, XX },
620 { "popS", RMrCX, XX, XX },
621 { "popS", RMrDX, XX, XX },
622 { "popS", RMrBX, XX, XX },
623 { "popS", RMrSP, XX, XX },
624 { "popS", RMrBP, XX, XX },
625 { "popS", RMrSI, XX, XX },
626 { "popS", RMrDI, XX, XX },
628 { "pusha{P|}", XX, XX, XX },
629 { "popa{P|}", XX, XX, XX },
630 { "bound{S|}", Gv, Ma, XX },
632 { "(bad)", XX, XX, XX }, /* seg fs */
633 { "(bad)", XX, XX, XX }, /* seg gs */
634 { "(bad)", XX, XX, XX }, /* op size prefix */
635 { "(bad)", XX, XX, XX }, /* adr size prefix */
637 { "pushT", Iq, XX, XX },
638 { "imulS", Gv, Ev, Iv },
639 { "pushT", sIb, XX, XX },
640 { "imulS", Gv, Ev, sIb },
641 { "ins{b||b|}", Yb, indirDX, XX },
642 { "ins{R||R|}", Yv, indirDX, XX },
643 { "outs{b||b|}", indirDX, Xb, XX },
644 { "outs{R||R|}", indirDX, Xv, XX },
646 { "joH", Jb, XX, cond_jump_flag },
647 { "jnoH", Jb, XX, cond_jump_flag },
648 { "jbH", Jb, XX, cond_jump_flag },
649 { "jaeH", Jb, XX, cond_jump_flag },
650 { "jeH", Jb, XX, cond_jump_flag },
651 { "jneH", Jb, XX, cond_jump_flag },
652 { "jbeH", Jb, XX, cond_jump_flag },
653 { "jaH", Jb, XX, cond_jump_flag },
655 { "jsH", Jb, XX, cond_jump_flag },
656 { "jnsH", Jb, XX, cond_jump_flag },
657 { "jpH", Jb, XX, cond_jump_flag },
658 { "jnpH", Jb, XX, cond_jump_flag },
659 { "jlH", Jb, XX, cond_jump_flag },
660 { "jgeH", Jb, XX, cond_jump_flag },
661 { "jleH", Jb, XX, cond_jump_flag },
662 { "jgH", Jb, XX, cond_jump_flag },
666 { "(bad)", XX, XX, XX },
668 { "testB", Eb, Gb, XX },
669 { "testS", Ev, Gv, XX },
670 { "xchgB", Eb, Gb, XX },
671 { "xchgS", Ev, Gv, XX },
673 { "movB", Eb, Gb, XX },
674 { "movS", Ev, Gv, XX },
675 { "movB", Gb, Eb, XX },
676 { "movS", Gv, Ev, XX },
677 { "movQ", Sv, Sw, XX },
678 { "leaS", Gv, M, XX },
679 { "movQ", Sw, Sv, XX },
680 { "popU", Ev, XX, XX },
682 { "nop", NOP_Fixup, 0, XX, XX },
683 { "xchgS", RMeCX, eAX, XX },
684 { "xchgS", RMeDX, eAX, XX },
685 { "xchgS", RMeBX, eAX, XX },
686 { "xchgS", RMeSP, eAX, XX },
687 { "xchgS", RMeBP, eAX, XX },
688 { "xchgS", RMeSI, eAX, XX },
689 { "xchgS", RMeDI, eAX, XX },
691 { "cW{tR||tR|}", XX, XX, XX },
692 { "cR{tO||tO|}", XX, XX, XX },
693 { "Jcall{T|}", Ap, XX, XX },
694 { "(bad)", XX, XX, XX }, /* fwait */
695 { "pushfT", XX, XX, XX },
696 { "popfT", XX, XX, XX },
697 { "sahf{|}", XX, XX, XX },
698 { "lahf{|}", XX, XX, XX },
700 { "movB", AL, Ob64, XX },
701 { "movS", eAX, Ov64, XX },
702 { "movB", Ob64, AL, XX },
703 { "movS", Ov64, eAX, XX },
704 { "movs{b||b|}", Yb, Xb, XX },
705 { "movs{R||R|}", Yv, Xv, XX },
706 { "cmps{b||b|}", Xb, Yb, XX },
707 { "cmps{R||R|}", Xv, Yv, XX },
709 { "testB", AL, Ib, XX },
710 { "testS", eAX, Iv, XX },
711 { "stosB", Yb, AL, XX },
712 { "stosS", Yv, eAX, XX },
713 { "lodsB", AL, Xb, XX },
714 { "lodsS", eAX, Xv, XX },
715 { "scasB", AL, Yb, XX },
716 { "scasS", eAX, Yv, XX },
718 { "movB", RMAL, Ib, XX },
719 { "movB", RMCL, Ib, XX },
720 { "movB", RMDL, Ib, XX },
721 { "movB", RMBL, Ib, XX },
722 { "movB", RMAH, Ib, XX },
723 { "movB", RMCH, Ib, XX },
724 { "movB", RMDH, Ib, XX },
725 { "movB", RMBH, Ib, XX },
727 { "movS", RMeAX, Iv64, XX },
728 { "movS", RMeCX, Iv64, XX },
729 { "movS", RMeDX, Iv64, XX },
730 { "movS", RMeBX, Iv64, XX },
731 { "movS", RMeSP, Iv64, XX },
732 { "movS", RMeBP, Iv64, XX },
733 { "movS", RMeSI, Iv64, XX },
734 { "movS", RMeDI, Iv64, XX },
738 { "retT", Iw, XX, XX },
739 { "retT", XX, XX, XX },
740 { "les{S|}", Gv, Mp, XX },
741 { "ldsS", Gv, Mp, XX },
742 { "movA", Eb, Ib, XX },
743 { "movQ", Ev, Iv, XX },
745 { "enterT", Iw, Ib, XX },
746 { "leaveT", XX, XX, XX },
747 { "lretP", Iw, XX, XX },
748 { "lretP", XX, XX, XX },
749 { "int3", XX, XX, XX },
750 { "int", Ib, XX, XX },
751 { "into{|}", XX, XX, XX },
752 { "iretP", XX, XX, XX },
758 { "aam{|}", sIb, XX, XX },
759 { "aad{|}", sIb, XX, XX },
760 { "(bad)", XX, XX, XX },
761 { "xlat", DSBX, XX, XX },
772 { "loopneFH", Jb, XX, loop_jcxz_flag },
773 { "loopeFH", Jb, XX, loop_jcxz_flag },
774 { "loopFH", Jb, XX, loop_jcxz_flag },
775 { "jEcxzH", Jb, XX, loop_jcxz_flag },
776 { "inB", AL, Ib, XX },
777 { "inS", eAX, Ib, XX },
778 { "outB", Ib, AL, XX },
779 { "outS", Ib, eAX, XX },
781 { "callT", Jv, XX, XX },
782 { "jmpT", Jv, XX, XX },
783 { "Jjmp{T|}", Ap, XX, XX },
784 { "jmp", Jb, XX, XX },
785 { "inB", AL, indirDX, XX },
786 { "inS", eAX, indirDX, XX },
787 { "outB", indirDX, AL, XX },
788 { "outS", indirDX, eAX, XX },
790 { "(bad)", XX, XX, XX }, /* lock prefix */
791 { "icebp", XX, XX, XX },
792 { "(bad)", XX, XX, XX }, /* repne */
793 { "(bad)", XX, XX, XX }, /* repz */
794 { "hlt", XX, XX, XX },
795 { "cmc", XX, XX, XX },
799 { "clc", XX, XX, XX },
800 { "stc", XX, XX, XX },
801 { "cli", XX, XX, XX },
802 { "sti", XX, XX, XX },
803 { "cld", XX, XX, XX },
804 { "std", XX, XX, XX },
809 static const struct dis386 dis386_twobyte[] = {
813 { "larS", Gv, Ew, XX },
814 { "lslS", Gv, Ew, XX },
815 { "(bad)", XX, XX, XX },
816 { "syscall", XX, XX, XX },
817 { "clts", XX, XX, XX },
818 { "sysretP", XX, XX, XX },
820 { "invd", XX, XX, XX },
821 { "wbinvd", XX, XX, XX },
822 { "(bad)", XX, XX, XX },
823 { "ud2a", XX, XX, XX },
824 { "(bad)", XX, XX, XX },
826 { "femms", XX, XX, XX },
827 { "", MX, EM, OPSUF }, /* See OP_3DNowSuffix. */
832 { "movlpX", EX, XM, SIMD_Fixup, 'h' },
833 { "unpcklpX", XM, EX, XX },
834 { "unpckhpX", XM, EX, XX },
836 { "movhpX", EX, XM, SIMD_Fixup, 'l' },
839 { "(bad)", XX, XX, XX },
840 { "(bad)", XX, XX, XX },
841 { "(bad)", XX, XX, XX },
842 { "(bad)", XX, XX, XX },
843 { "(bad)", XX, XX, XX },
844 { "(bad)", XX, XX, XX },
845 { "(bad)", XX, XX, XX },
847 { "movL", Rm, Cm, XX },
848 { "movL", Rm, Dm, XX },
849 { "movL", Cm, Rm, XX },
850 { "movL", Dm, Rm, XX },
851 { "movL", Rd, Td, XX },
852 { "(bad)", XX, XX, XX },
853 { "movL", Td, Rd, XX },
854 { "(bad)", XX, XX, XX },
856 { "movapX", XM, EX, XX },
857 { "movapX", EX, XM, XX },
859 { "movntpX", Ev, XM, XX },
862 { "ucomisX", XM,EX, XX },
863 { "comisX", XM,EX, XX },
865 { "wrmsr", XX, XX, XX },
866 { "rdtsc", XX, XX, XX },
867 { "rdmsr", XX, XX, XX },
868 { "rdpmc", XX, XX, XX },
869 { "sysenter", XX, XX, XX },
870 { "sysexit", XX, XX, XX },
871 { "(bad)", XX, XX, XX },
872 { "(bad)", XX, XX, XX },
874 { "(bad)", XX, XX, XX },
875 { "(bad)", XX, XX, XX },
876 { "(bad)", XX, XX, XX },
877 { "(bad)", XX, XX, XX },
878 { "(bad)", XX, XX, XX },
879 { "(bad)", XX, XX, XX },
880 { "(bad)", XX, XX, XX },
881 { "(bad)", XX, XX, XX },
883 { "cmovo", Gv, Ev, XX },
884 { "cmovno", Gv, Ev, XX },
885 { "cmovb", Gv, Ev, XX },
886 { "cmovae", Gv, Ev, XX },
887 { "cmove", Gv, Ev, XX },
888 { "cmovne", Gv, Ev, XX },
889 { "cmovbe", Gv, Ev, XX },
890 { "cmova", Gv, Ev, XX },
892 { "cmovs", Gv, Ev, XX },
893 { "cmovns", Gv, Ev, XX },
894 { "cmovp", Gv, Ev, XX },
895 { "cmovnp", Gv, Ev, XX },
896 { "cmovl", Gv, Ev, XX },
897 { "cmovge", Gv, Ev, XX },
898 { "cmovle", Gv, Ev, XX },
899 { "cmovg", Gv, Ev, XX },
901 { "movmskpX", Gdq, XS, XX },
905 { "andpX", XM, EX, XX },
906 { "andnpX", XM, EX, XX },
907 { "orpX", XM, EX, XX },
908 { "xorpX", XM, EX, XX },
919 { "punpcklbw", MX, EM, XX },
920 { "punpcklwd", MX, EM, XX },
921 { "punpckldq", MX, EM, XX },
922 { "packsswb", MX, EM, XX },
923 { "pcmpgtb", MX, EM, XX },
924 { "pcmpgtw", MX, EM, XX },
925 { "pcmpgtd", MX, EM, XX },
926 { "packuswb", MX, EM, XX },
928 { "punpckhbw", MX, EM, XX },
929 { "punpckhwd", MX, EM, XX },
930 { "punpckhdq", MX, EM, XX },
931 { "packssdw", MX, EM, XX },
934 { "movd", MX, Edq, XX },
941 { "pcmpeqb", MX, EM, XX },
942 { "pcmpeqw", MX, EM, XX },
943 { "pcmpeqd", MX, EM, XX },
944 { "emms", XX, XX, XX },
946 { "vmread", Em, Gm, XX },
947 { "vmwrite", Gm, Em, XX },
948 { "(bad)", XX, XX, XX },
949 { "(bad)", XX, XX, XX },
955 { "joH", Jv, XX, cond_jump_flag },
956 { "jnoH", Jv, XX, cond_jump_flag },
957 { "jbH", Jv, XX, cond_jump_flag },
958 { "jaeH", Jv, XX, cond_jump_flag },
959 { "jeH", Jv, XX, cond_jump_flag },
960 { "jneH", Jv, XX, cond_jump_flag },
961 { "jbeH", Jv, XX, cond_jump_flag },
962 { "jaH", Jv, XX, cond_jump_flag },
964 { "jsH", Jv, XX, cond_jump_flag },
965 { "jnsH", Jv, XX, cond_jump_flag },
966 { "jpH", Jv, XX, cond_jump_flag },
967 { "jnpH", Jv, XX, cond_jump_flag },
968 { "jlH", Jv, XX, cond_jump_flag },
969 { "jgeH", Jv, XX, cond_jump_flag },
970 { "jleH", Jv, XX, cond_jump_flag },
971 { "jgH", Jv, XX, cond_jump_flag },
973 { "seto", Eb, XX, XX },
974 { "setno", Eb, XX, XX },
975 { "setb", Eb, XX, XX },
976 { "setae", Eb, XX, XX },
977 { "sete", Eb, XX, XX },
978 { "setne", Eb, XX, XX },
979 { "setbe", Eb, XX, XX },
980 { "seta", Eb, XX, XX },
982 { "sets", Eb, XX, XX },
983 { "setns", Eb, XX, XX },
984 { "setp", Eb, XX, XX },
985 { "setnp", Eb, XX, XX },
986 { "setl", Eb, XX, XX },
987 { "setge", Eb, XX, XX },
988 { "setle", Eb, XX, XX },
989 { "setg", Eb, XX, XX },
991 { "pushT", fs, XX, XX },
992 { "popT", fs, XX, XX },
993 { "cpuid", XX, XX, XX },
994 { "btS", Ev, Gv, XX },
995 { "shldS", Ev, Gv, Ib },
996 { "shldS", Ev, Gv, CL },
1000 { "pushT", gs, XX, XX },
1001 { "popT", gs, XX, XX },
1002 { "rsm", XX, XX, XX },
1003 { "btsS", Ev, Gv, XX },
1004 { "shrdS", Ev, Gv, Ib },
1005 { "shrdS", Ev, Gv, CL },
1007 { "imulS", Gv, Ev, XX },
1009 { "cmpxchgB", Eb, Gb, XX },
1010 { "cmpxchgS", Ev, Gv, XX },
1011 { "lssS", Gv, Mp, XX },
1012 { "btrS", Ev, Gv, XX },
1013 { "lfsS", Gv, Mp, XX },
1014 { "lgsS", Gv, Mp, XX },
1015 { "movz{bR|x|bR|x}", Gv, Eb, XX },
1016 { "movz{wR|x|wR|x}", Gv, Ew, XX }, /* yes, there really is movzww ! */
1018 { "(bad)", XX, XX, XX },
1019 { "ud2b", XX, XX, XX },
1021 { "btcS", Ev, Gv, XX },
1022 { "bsfS", Gv, Ev, XX },
1023 { "bsrS", Gv, Ev, XX },
1024 { "movs{bR|x|bR|x}", Gv, Eb, XX },
1025 { "movs{wR|x|wR|x}", Gv, Ew, XX }, /* yes, there really is movsww ! */
1027 { "xaddB", Eb, Gb, XX },
1028 { "xaddS", Ev, Gv, XX },
1030 { "movntiS", Ev, Gv, XX },
1031 { "pinsrw", MX, Edqw, Ib },
1032 { "pextrw", Gdq, MS, Ib },
1033 { "shufpX", XM, EX, Ib },
1036 { "bswap", RMeAX, XX, XX },
1037 { "bswap", RMeCX, XX, XX },
1038 { "bswap", RMeDX, XX, XX },
1039 { "bswap", RMeBX, XX, XX },
1040 { "bswap", RMeSP, XX, XX },
1041 { "bswap", RMeBP, XX, XX },
1042 { "bswap", RMeSI, XX, XX },
1043 { "bswap", RMeDI, XX, XX },
1046 { "psrlw", MX, EM, XX },
1047 { "psrld", MX, EM, XX },
1048 { "psrlq", MX, EM, XX },
1049 { "paddq", MX, EM, XX },
1050 { "pmullw", MX, EM, XX },
1052 { "pmovmskb", Gdq, MS, XX },
1054 { "psubusb", MX, EM, XX },
1055 { "psubusw", MX, EM, XX },
1056 { "pminub", MX, EM, XX },
1057 { "pand", MX, EM, XX },
1058 { "paddusb", MX, EM, XX },
1059 { "paddusw", MX, EM, XX },
1060 { "pmaxub", MX, EM, XX },
1061 { "pandn", MX, EM, XX },
1063 { "pavgb", MX, EM, XX },
1064 { "psraw", MX, EM, XX },
1065 { "psrad", MX, EM, XX },
1066 { "pavgw", MX, EM, XX },
1067 { "pmulhuw", MX, EM, XX },
1068 { "pmulhw", MX, EM, XX },
1072 { "psubsb", MX, EM, XX },
1073 { "psubsw", MX, EM, XX },
1074 { "pminsw", MX, EM, XX },
1075 { "por", MX, EM, XX },
1076 { "paddsb", MX, EM, XX },
1077 { "paddsw", MX, EM, XX },
1078 { "pmaxsw", MX, EM, XX },
1079 { "pxor", MX, EM, XX },
1082 { "psllw", MX, EM, XX },
1083 { "pslld", MX, EM, XX },
1084 { "psllq", MX, EM, XX },
1085 { "pmuludq", MX, EM, XX },
1086 { "pmaddwd", MX, EM, XX },
1087 { "psadbw", MX, EM, XX },
1090 { "psubb", MX, EM, XX },
1091 { "psubw", MX, EM, XX },
1092 { "psubd", MX, EM, XX },
1093 { "psubq", MX, EM, XX },
1094 { "paddb", MX, EM, XX },
1095 { "paddw", MX, EM, XX },
1096 { "paddd", MX, EM, XX },
1097 { "(bad)", XX, XX, XX }
1100 static const unsigned char onebyte_has_modrm[256] = {
1101 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
1102 /* ------------------------------- */
1103 /* 00 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 00 */
1104 /* 10 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 10 */
1105 /* 20 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 20 */
1106 /* 30 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 30 */
1107 /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 40 */
1108 /* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 50 */
1109 /* 60 */ 0,0,1,1,0,0,0,0,0,1,0,1,0,0,0,0, /* 60 */
1110 /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 70 */
1111 /* 80 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 80 */
1112 /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 90 */
1113 /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* a0 */
1114 /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* b0 */
1115 /* c0 */ 1,1,0,0,1,1,1,1,0,0,0,0,0,0,0,0, /* c0 */
1116 /* d0 */ 1,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1, /* d0 */
1117 /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* e0 */
1118 /* f0 */ 0,0,0,0,0,0,1,1,0,0,0,0,0,0,1,1 /* f0 */
1119 /* ------------------------------- */
1120 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
1123 static const unsigned char twobyte_has_modrm[256] = {
1124 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
1125 /* ------------------------------- */
1126 /* 00 */ 1,1,1,1,0,0,0,0,0,0,0,0,0,1,0,1, /* 0f */
1127 /* 10 */ 1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0, /* 1f */
1128 /* 20 */ 1,1,1,1,1,0,1,0,1,1,1,1,1,1,1,1, /* 2f */
1129 /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */
1130 /* 40 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 4f */
1131 /* 50 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 5f */
1132 /* 60 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 6f */
1133 /* 70 */ 1,1,1,1,1,1,1,0,1,1,0,0,1,1,1,1, /* 7f */
1134 /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */
1135 /* 90 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 9f */
1136 /* a0 */ 0,0,0,1,1,1,1,1,0,0,0,1,1,1,1,1, /* af */
1137 /* b0 */ 1,1,1,1,1,1,1,1,0,0,1,1,1,1,1,1, /* bf */
1138 /* c0 */ 1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0, /* cf */
1139 /* d0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* df */
1140 /* e0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* ef */
1141 /* f0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0 /* ff */
1142 /* ------------------------------- */
1143 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
1146 static const unsigned char twobyte_uses_SSE_prefix[256] = {
1147 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
1148 /* ------------------------------- */
1149 /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */
1150 /* 10 */ 1,1,1,0,0,0,1,0,0,0,0,0,0,0,0,0, /* 1f */
1151 /* 20 */ 0,0,0,0,0,0,0,0,0,0,1,0,1,1,0,0, /* 2f */
1152 /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */
1153 /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */
1154 /* 50 */ 0,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1, /* 5f */
1155 /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1, /* 6f */
1156 /* 70 */ 1,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1, /* 7f */
1157 /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */
1158 /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */
1159 /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */
1160 /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */
1161 /* c0 */ 0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */
1162 /* d0 */ 1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* df */
1163 /* e0 */ 0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* ef */
1164 /* f0 */ 1,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0 /* ff */
1165 /* ------------------------------- */
1166 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
1169 static char obuf[100];
1171 static char scratchbuf[100];
1172 static unsigned char *start_codep;
1173 static unsigned char *insn_codep;
1174 static unsigned char *codep;
1175 static disassemble_info *the_info;
1179 static unsigned char need_modrm;
1181 /* If we are accessing mod/rm/reg without need_modrm set, then the
1182 values are stale. Hitting this abort likely indicates that you
1183 need to update onebyte_has_modrm or twobyte_has_modrm. */
1184 #define MODRM_CHECK if (!need_modrm) abort ()
1186 static const char **names64;
1187 static const char **names32;
1188 static const char **names16;
1189 static const char **names8;
1190 static const char **names8rex;
1191 static const char **names_seg;
1192 static const char **index16;
1194 static const char *intel_names64[] = {
1195 "rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi",
1196 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"
1198 static const char *intel_names32[] = {
1199 "eax", "ecx", "edx", "ebx", "esp", "ebp", "esi", "edi",
1200 "r8d", "r9d", "r10d", "r11d", "r12d", "r13d", "r14d", "r15d"
1202 static const char *intel_names16[] = {
1203 "ax", "cx", "dx", "bx", "sp", "bp", "si", "di",
1204 "r8w", "r9w", "r10w", "r11w", "r12w", "r13w", "r14w", "r15w"
1206 static const char *intel_names8[] = {
1207 "al", "cl", "dl", "bl", "ah", "ch", "dh", "bh",
1209 static const char *intel_names8rex[] = {
1210 "al", "cl", "dl", "bl", "spl", "bpl", "sil", "dil",
1211 "r8b", "r9b", "r10b", "r11b", "r12b", "r13b", "r14b", "r15b"
1213 static const char *intel_names_seg[] = {
1214 "es", "cs", "ss", "ds", "fs", "gs", "?", "?",
1216 static const char *intel_index16[] = {
1217 "bx+si", "bx+di", "bp+si", "bp+di", "si", "di", "bp", "bx"
1220 static const char *att_names64[] = {
1221 "%rax", "%rcx", "%rdx", "%rbx", "%rsp", "%rbp", "%rsi", "%rdi",
1222 "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15"
1224 static const char *att_names32[] = {
1225 "%eax", "%ecx", "%edx", "%ebx", "%esp", "%ebp", "%esi", "%edi",
1226 "%r8d", "%r9d", "%r10d", "%r11d", "%r12d", "%r13d", "%r14d", "%r15d"
1228 static const char *att_names16[] = {
1229 "%ax", "%cx", "%dx", "%bx", "%sp", "%bp", "%si", "%di",
1230 "%r8w", "%r9w", "%r10w", "%r11w", "%r12w", "%r13w", "%r14w", "%r15w"
1232 static const char *att_names8[] = {
1233 "%al", "%cl", "%dl", "%bl", "%ah", "%ch", "%dh", "%bh",
1235 static const char *att_names8rex[] = {
1236 "%al", "%cl", "%dl", "%bl", "%spl", "%bpl", "%sil", "%dil",
1237 "%r8b", "%r9b", "%r10b", "%r11b", "%r12b", "%r13b", "%r14b", "%r15b"
1239 static const char *att_names_seg[] = {
1240 "%es", "%cs", "%ss", "%ds", "%fs", "%gs", "%?", "%?",
1242 static const char *att_index16[] = {
1243 "%bx,%si", "%bx,%di", "%bp,%si", "%bp,%di", "%si", "%di", "%bp", "%bx"
1246 static const struct dis386 grps[][8] = {
1249 { "addA", Eb, Ib, XX },
1250 { "orA", Eb, Ib, XX },
1251 { "adcA", Eb, Ib, XX },
1252 { "sbbA", Eb, Ib, XX },
1253 { "andA", Eb, Ib, XX },
1254 { "subA", Eb, Ib, XX },
1255 { "xorA", Eb, Ib, XX },
1256 { "cmpA", Eb, Ib, XX }
1260 { "addQ", Ev, Iv, XX },
1261 { "orQ", Ev, Iv, XX },
1262 { "adcQ", Ev, Iv, XX },
1263 { "sbbQ", Ev, Iv, XX },
1264 { "andQ", Ev, Iv, XX },
1265 { "subQ", Ev, Iv, XX },
1266 { "xorQ", Ev, Iv, XX },
1267 { "cmpQ", Ev, Iv, XX }
1271 { "addQ", Ev, sIb, XX },
1272 { "orQ", Ev, sIb, XX },
1273 { "adcQ", Ev, sIb, XX },
1274 { "sbbQ", Ev, sIb, XX },
1275 { "andQ", Ev, sIb, XX },
1276 { "subQ", Ev, sIb, XX },
1277 { "xorQ", Ev, sIb, XX },
1278 { "cmpQ", Ev, sIb, XX }
1282 { "rolA", Eb, Ib, XX },
1283 { "rorA", Eb, Ib, XX },
1284 { "rclA", Eb, Ib, XX },
1285 { "rcrA", Eb, Ib, XX },
1286 { "shlA", Eb, Ib, XX },
1287 { "shrA", Eb, Ib, XX },
1288 { "(bad)", XX, XX, XX },
1289 { "sarA", Eb, Ib, XX },
1293 { "rolQ", Ev, Ib, XX },
1294 { "rorQ", Ev, Ib, XX },
1295 { "rclQ", Ev, Ib, XX },
1296 { "rcrQ", Ev, Ib, XX },
1297 { "shlQ", Ev, Ib, XX },
1298 { "shrQ", Ev, Ib, XX },
1299 { "(bad)", XX, XX, XX },
1300 { "sarQ", Ev, Ib, XX },
1304 { "rolA", Eb, I1, XX },
1305 { "rorA", Eb, I1, XX },
1306 { "rclA", Eb, I1, XX },
1307 { "rcrA", Eb, I1, XX },
1308 { "shlA", Eb, I1, XX },
1309 { "shrA", Eb, I1, XX },
1310 { "(bad)", XX, XX, XX },
1311 { "sarA", Eb, I1, XX },
1315 { "rolQ", Ev, I1, XX },
1316 { "rorQ", Ev, I1, XX },
1317 { "rclQ", Ev, I1, XX },
1318 { "rcrQ", Ev, I1, XX },
1319 { "shlQ", Ev, I1, XX },
1320 { "shrQ", Ev, I1, XX },
1321 { "(bad)", XX, XX, XX},
1322 { "sarQ", Ev, I1, XX },
1326 { "rolA", Eb, CL, XX },
1327 { "rorA", Eb, CL, XX },
1328 { "rclA", Eb, CL, XX },
1329 { "rcrA", Eb, CL, XX },
1330 { "shlA", Eb, CL, XX },
1331 { "shrA", Eb, CL, XX },
1332 { "(bad)", XX, XX, XX },
1333 { "sarA", Eb, CL, XX },
1337 { "rolQ", Ev, CL, XX },
1338 { "rorQ", Ev, CL, XX },
1339 { "rclQ", Ev, CL, XX },
1340 { "rcrQ", Ev, CL, XX },
1341 { "shlQ", Ev, CL, XX },
1342 { "shrQ", Ev, CL, XX },
1343 { "(bad)", XX, XX, XX },
1344 { "sarQ", Ev, CL, XX }
1348 { "testA", Eb, Ib, XX },
1349 { "(bad)", Eb, XX, XX },
1350 { "notA", Eb, XX, XX },
1351 { "negA", Eb, XX, XX },
1352 { "mulA", Eb, XX, XX }, /* Don't print the implicit %al register, */
1353 { "imulA", Eb, XX, XX }, /* to distinguish these opcodes from other */
1354 { "divA", Eb, XX, XX }, /* mul/imul opcodes. Do the same for div */
1355 { "idivA", Eb, XX, XX } /* and idiv for consistency. */
1359 { "testQ", Ev, Iv, XX },
1360 { "(bad)", XX, XX, XX },
1361 { "notQ", Ev, XX, XX },
1362 { "negQ", Ev, XX, XX },
1363 { "mulQ", Ev, XX, XX }, /* Don't print the implicit register. */
1364 { "imulQ", Ev, XX, XX },
1365 { "divQ", Ev, XX, XX },
1366 { "idivQ", Ev, XX, XX },
1370 { "incA", Eb, XX, XX },
1371 { "decA", Eb, XX, XX },
1372 { "(bad)", XX, XX, XX },
1373 { "(bad)", XX, XX, XX },
1374 { "(bad)", XX, XX, XX },
1375 { "(bad)", XX, XX, XX },
1376 { "(bad)", XX, XX, XX },
1377 { "(bad)", XX, XX, XX },
1381 { "incQ", Ev, XX, XX },
1382 { "decQ", Ev, XX, XX },
1383 { "callT", indirEv, XX, XX },
1384 { "JcallT", indirEp, XX, XX },
1385 { "jmpT", indirEv, XX, XX },
1386 { "JjmpT", indirEp, XX, XX },
1387 { "pushU", Ev, XX, XX },
1388 { "(bad)", XX, XX, XX },
1392 { "sldtQ", Ev, XX, XX },
1393 { "strQ", Ev, XX, XX },
1394 { "lldt", Ew, XX, XX },
1395 { "ltr", Ew, XX, XX },
1396 { "verr", Ew, XX, XX },
1397 { "verw", Ew, XX, XX },
1398 { "(bad)", XX, XX, XX },
1399 { "(bad)", XX, XX, XX }
1403 { "sgdtIQ", VMX_Fixup, 0, XX, XX },
1404 { "sidtIQ", PNI_Fixup, 0, XX, XX },
1405 { "lgdt{Q|Q||}", M, XX, XX },
1406 { "lidt{Q|Q||}", SVME_Fixup, 0, XX, XX },
1407 { "smswQ", Ev, XX, XX },
1408 { "(bad)", XX, XX, XX },
1409 { "lmsw", Ew, XX, XX },
1410 { "invlpg", INVLPG_Fixup, w_mode, XX, XX },
1414 { "(bad)", XX, XX, XX },
1415 { "(bad)", XX, XX, XX },
1416 { "(bad)", XX, XX, XX },
1417 { "(bad)", XX, XX, XX },
1418 { "btQ", Ev, Ib, XX },
1419 { "btsQ", Ev, Ib, XX },
1420 { "btrQ", Ev, Ib, XX },
1421 { "btcQ", Ev, Ib, XX },
1425 { "(bad)", XX, XX, XX },
1426 { "cmpxchg8b", Eq, XX, XX },
1427 { "(bad)", XX, XX, XX },
1428 { "(bad)", XX, XX, XX },
1429 { "(bad)", XX, XX, XX },
1430 { "(bad)", XX, XX, XX },
1431 { "", VM, XX, XX }, /* See OP_VMX. */
1432 { "vmptrst", Eq, XX, XX },
1436 { "(bad)", XX, XX, XX },
1437 { "(bad)", XX, XX, XX },
1438 { "psrlw", MS, Ib, XX },
1439 { "(bad)", XX, XX, XX },
1440 { "psraw", MS, Ib, XX },
1441 { "(bad)", XX, XX, XX },
1442 { "psllw", MS, Ib, XX },
1443 { "(bad)", XX, XX, XX },
1447 { "(bad)", XX, XX, XX },
1448 { "(bad)", XX, XX, XX },
1449 { "psrld", MS, Ib, XX },
1450 { "(bad)", XX, XX, XX },
1451 { "psrad", MS, Ib, XX },
1452 { "(bad)", XX, XX, XX },
1453 { "pslld", MS, Ib, XX },
1454 { "(bad)", XX, XX, XX },
1458 { "(bad)", XX, XX, XX },
1459 { "(bad)", XX, XX, XX },
1460 { "psrlq", MS, Ib, XX },
1461 { "psrldq", MS, Ib, XX },
1462 { "(bad)", XX, XX, XX },
1463 { "(bad)", XX, XX, XX },
1464 { "psllq", MS, Ib, XX },
1465 { "pslldq", MS, Ib, XX },
1469 { "fxsave", Ev, XX, XX },
1470 { "fxrstor", Ev, XX, XX },
1471 { "ldmxcsr", Ev, XX, XX },
1472 { "stmxcsr", Ev, XX, XX },
1473 { "xsave", Ev, XX, XX },
1474 { "xrstor", OP_0fae, 0, XX, XX },
1475 { "mfence", OP_0fae, 0, XX, XX },
1476 { "clflush", OP_0fae, 0, XX, XX },
1480 { "prefetchnta", Ev, XX, XX },
1481 { "prefetcht0", Ev, XX, XX },
1482 { "prefetcht1", Ev, XX, XX },
1483 { "prefetcht2", Ev, XX, XX },
1484 { "(bad)", XX, XX, XX },
1485 { "(bad)", XX, XX, XX },
1486 { "(bad)", XX, XX, XX },
1487 { "(bad)", XX, XX, XX },
1491 { "prefetch", Eb, XX, XX },
1492 { "prefetchw", Eb, XX, XX },
1493 { "(bad)", XX, XX, XX },
1494 { "(bad)", XX, XX, XX },
1495 { "(bad)", XX, XX, XX },
1496 { "(bad)", XX, XX, XX },
1497 { "(bad)", XX, XX, XX },
1498 { "(bad)", XX, XX, XX },
1502 { "xstore-rng", OP_0f07, 0, XX, XX },
1503 { "xcrypt-ecb", OP_0f07, 0, XX, XX },
1504 { "xcrypt-cbc", OP_0f07, 0, XX, XX },
1505 { "xcrypt-ctr", OP_0f07, 0, XX, XX },
1506 { "xcrypt-cfb", OP_0f07, 0, XX, XX },
1507 { "xcrypt-ofb", OP_0f07, 0, XX, XX },
1508 { "(bad)", OP_0f07, 0, XX, XX },
1509 { "(bad)", OP_0f07, 0, XX, XX },
1513 { "montmul", OP_0f07, 0, XX, XX },
1514 { "xsha1", OP_0f07, 0, XX, XX },
1515 { "xsha256", OP_0f07, 0, XX, XX },
1516 { "(bad)", OP_0f07, 0, XX, XX },
1517 { "(bad)", OP_0f07, 0, XX, XX },
1518 { "(bad)", OP_0f07, 0, XX, XX },
1519 { "(bad)", OP_0f07, 0, XX, XX },
1520 { "(bad)", OP_0f07, 0, XX, XX },
1524 static const struct dis386 prefix_user_table[][4] = {
1527 { "addps", XM, EX, XX },
1528 { "addss", XM, EX, XX },
1529 { "addpd", XM, EX, XX },
1530 { "addsd", XM, EX, XX },
1534 { "", XM, EX, OPSIMD }, /* See OP_SIMD_SUFFIX. */
1535 { "", XM, EX, OPSIMD },
1536 { "", XM, EX, OPSIMD },
1537 { "", XM, EX, OPSIMD },
1541 { "cvtpi2ps", XM, EM, XX },
1542 { "cvtsi2ssY", XM, Ev, XX },
1543 { "cvtpi2pd", XM, EM, XX },
1544 { "cvtsi2sdY", XM, Ev, XX },
1548 { "cvtps2pi", MX, EX, XX },
1549 { "cvtss2siY", Gv, EX, XX },
1550 { "cvtpd2pi", MX, EX, XX },
1551 { "cvtsd2siY", Gv, EX, XX },
1555 { "cvttps2pi", MX, EX, XX },
1556 { "cvttss2siY", Gv, EX, XX },
1557 { "cvttpd2pi", MX, EX, XX },
1558 { "cvttsd2siY", Gv, EX, XX },
1562 { "divps", XM, EX, XX },
1563 { "divss", XM, EX, XX },
1564 { "divpd", XM, EX, XX },
1565 { "divsd", XM, EX, XX },
1569 { "maxps", XM, EX, XX },
1570 { "maxss", XM, EX, XX },
1571 { "maxpd", XM, EX, XX },
1572 { "maxsd", XM, EX, XX },
1576 { "minps", XM, EX, XX },
1577 { "minss", XM, EX, XX },
1578 { "minpd", XM, EX, XX },
1579 { "minsd", XM, EX, XX },
1583 { "movups", XM, EX, XX },
1584 { "movss", XM, EX, XX },
1585 { "movupd", XM, EX, XX },
1586 { "movsd", XM, EX, XX },
1590 { "movups", EX, XM, XX },
1591 { "movss", EX, XM, XX },
1592 { "movupd", EX, XM, XX },
1593 { "movsd", EX, XM, XX },
1597 { "mulps", XM, EX, XX },
1598 { "mulss", XM, EX, XX },
1599 { "mulpd", XM, EX, XX },
1600 { "mulsd", XM, EX, XX },
1604 { "rcpps", XM, EX, XX },
1605 { "rcpss", XM, EX, XX },
1606 { "(bad)", XM, EX, XX },
1607 { "(bad)", XM, EX, XX },
1611 { "rsqrtps", XM, EX, XX },
1612 { "rsqrtss", XM, EX, XX },
1613 { "(bad)", XM, EX, XX },
1614 { "(bad)", XM, EX, XX },
1618 { "sqrtps", XM, EX, XX },
1619 { "sqrtss", XM, EX, XX },
1620 { "sqrtpd", XM, EX, XX },
1621 { "sqrtsd", XM, EX, XX },
1625 { "subps", XM, EX, XX },
1626 { "subss", XM, EX, XX },
1627 { "subpd", XM, EX, XX },
1628 { "subsd", XM, EX, XX },
1632 { "(bad)", XM, EX, XX },
1633 { "cvtdq2pd", XM, EX, XX },
1634 { "cvttpd2dq", XM, EX, XX },
1635 { "cvtpd2dq", XM, EX, XX },
1639 { "cvtdq2ps", XM, EX, XX },
1640 { "cvttps2dq",XM, EX, XX },
1641 { "cvtps2dq",XM, EX, XX },
1642 { "(bad)", XM, EX, XX },
1646 { "cvtps2pd", XM, EX, XX },
1647 { "cvtss2sd", XM, EX, XX },
1648 { "cvtpd2ps", XM, EX, XX },
1649 { "cvtsd2ss", XM, EX, XX },
1653 { "maskmovq", MX, MS, XX },
1654 { "(bad)", XM, EX, XX },
1655 { "maskmovdqu", XM, EX, XX },
1656 { "(bad)", XM, EX, XX },
1660 { "movq", MX, EM, XX },
1661 { "movdqu", XM, EX, XX },
1662 { "movdqa", XM, EX, XX },
1663 { "(bad)", XM, EX, XX },
1667 { "movq", EM, MX, XX },
1668 { "movdqu", EX, XM, XX },
1669 { "movdqa", EX, XM, XX },
1670 { "(bad)", EX, XM, XX },
1674 { "(bad)", EX, XM, XX },
1675 { "movq2dq", XM, MS, XX },
1676 { "movq", EX, XM, XX },
1677 { "movdq2q", MX, XS, XX },
1681 { "pshufw", MX, EM, Ib },
1682 { "pshufhw", XM, EX, Ib },
1683 { "pshufd", XM, EX, Ib },
1684 { "pshuflw", XM, EX, Ib },
1688 { "movd", Edq, MX, XX },
1689 { "movq", XM, EX, XX },
1690 { "movd", Edq, XM, XX },
1691 { "(bad)", Ed, XM, XX },
1695 { "(bad)", MX, EX, XX },
1696 { "(bad)", XM, EX, XX },
1697 { "punpckhqdq", XM, EX, XX },
1698 { "(bad)", XM, EX, XX },
1702 { "movntq", EM, MX, XX },
1703 { "(bad)", EM, XM, XX },
1704 { "movntdq", EM, XM, XX },
1705 { "(bad)", EM, XM, XX },
1709 { "(bad)", MX, EX, XX },
1710 { "(bad)", XM, EX, XX },
1711 { "punpcklqdq", XM, EX, XX },
1712 { "(bad)", XM, EX, XX },
1716 { "(bad)", MX, EX, XX },
1717 { "(bad)", XM, EX, XX },
1718 { "addsubpd", XM, EX, XX },
1719 { "addsubps", XM, EX, XX },
1723 { "(bad)", MX, EX, XX },
1724 { "(bad)", XM, EX, XX },
1725 { "haddpd", XM, EX, XX },
1726 { "haddps", XM, EX, XX },
1730 { "(bad)", MX, EX, XX },
1731 { "(bad)", XM, EX, XX },
1732 { "hsubpd", XM, EX, XX },
1733 { "hsubps", XM, EX, XX },
1737 { "movlpX", XM, EX, SIMD_Fixup, 'h' }, /* really only 2 operands */
1738 { "movsldup", XM, EX, XX },
1739 { "movlpd", XM, EX, XX },
1740 { "movddup", XM, EX, XX },
1744 { "movhpX", XM, EX, SIMD_Fixup, 'l' },
1745 { "movshdup", XM, EX, XX },
1746 { "movhpd", XM, EX, XX },
1747 { "(bad)", XM, EX, XX },
1751 { "(bad)", XM, EX, XX },
1752 { "(bad)", XM, EX, XX },
1753 { "(bad)", XM, EX, XX },
1754 { "lddqu", XM, M, XX },
1758 static const struct dis386 x86_64_table[][2] = {
1760 { "arpl", Ew, Gw, XX },
1761 { "movs{||lq|xd}", Gv, Ed, XX },
1766 #define INTERNAL_DISASSEMBLER_ERROR "<internal disassembler error>"
1767 #else /* __KERNEL__ */
1768 #define INTERNAL_DISASSEMBLER_ERROR _("<internal disassembler error>")
1769 #endif /* __KERNEL__ */
1781 FETCH_DATA (the_info, codep + 1);
1785 /* REX prefixes family. */
1808 prefixes |= PREFIX_REPZ;
1811 prefixes |= PREFIX_REPNZ;
1814 prefixes |= PREFIX_LOCK;
1817 prefixes |= PREFIX_CS;
1820 prefixes |= PREFIX_SS;
1823 prefixes |= PREFIX_DS;
1826 prefixes |= PREFIX_ES;
1829 prefixes |= PREFIX_FS;
1832 prefixes |= PREFIX_GS;
1835 prefixes |= PREFIX_DATA;
1838 prefixes |= PREFIX_ADDR;
1841 /* fwait is really an instruction. If there are prefixes
1842 before the fwait, they belong to the fwait, *not* to the
1843 following instruction. */
1846 prefixes |= PREFIX_FWAIT;
1850 prefixes = PREFIX_FWAIT;
1855 /* Rex is ignored when followed by another prefix. */
1858 oappend (prefix_name (rex, 0));
1866 /* Return the name of the prefix byte PREF, or NULL if PREF is not a
1870 prefix_name (int pref, int sizeflag)
1874 /* REX prefixes family. */
1926 return (sizeflag & DFLAG) ? "data16" : "data32";
1929 return (sizeflag & AFLAG) ? "addr32" : "addr64";
1931 return (sizeflag & AFLAG) ? "addr16" : "addr32";
1939 static char op1out[100], op2out[100], op3out[100];
1940 static int op_ad, op_index[3];
1941 static int two_source_ops;
1942 static bfd_vma op_address[3];
1943 static bfd_vma op_riprel[3];
1944 static bfd_vma start_pc;
1947 * On the 386's of 1988, the maximum length of an instruction is 15 bytes.
1948 * (see topic "Redundant prefixes" in the "Differences from 8086"
1949 * section of the "Virtual 8086 Mode" chapter.)
1950 * 'pc' should be the address of this instruction, it will
1951 * be used to print the target address if this is a relative jump or call
1952 * The function returns the length of this instruction in bytes.
1955 static char intel_syntax;
1956 static char open_char;
1957 static char close_char;
1958 static char separator_char;
1959 static char scale_char;
1961 /* Here for backwards compatibility. When gdb stops using
1962 print_insn_i386_att and print_insn_i386_intel these functions can
1963 disappear, and print_insn_i386 be merged into print_insn. */
1965 print_insn_i386_att (bfd_vma pc, disassemble_info *info)
1969 return print_insn (pc, info);
1973 print_insn_i386_intel (bfd_vma pc, disassemble_info *info)
1977 return print_insn (pc, info);
1981 print_insn_i386 (bfd_vma pc, disassemble_info *info)
1985 return print_insn (pc, info);
1989 print_insn (bfd_vma pc, disassemble_info *info)
1991 const struct dis386 *dp;
1993 char *first, *second, *third;
1995 unsigned char uses_SSE_prefix, uses_LOCK_prefix;
1998 struct dis_private priv;
2000 mode_64bit = (info->mach == bfd_mach_x86_64_intel_syntax
2001 || info->mach == bfd_mach_x86_64);
2003 if (intel_syntax == (char) -1)
2004 intel_syntax = (info->mach == bfd_mach_i386_i386_intel_syntax
2005 || info->mach == bfd_mach_x86_64_intel_syntax);
2007 if (info->mach == bfd_mach_i386_i386
2008 || info->mach == bfd_mach_x86_64
2009 || info->mach == bfd_mach_i386_i386_intel_syntax
2010 || info->mach == bfd_mach_x86_64_intel_syntax)
2011 priv.orig_sizeflag = AFLAG | DFLAG;
2012 else if (info->mach == bfd_mach_i386_i8086)
2013 priv.orig_sizeflag = 0;
2017 for (p = info->disassembler_options; p != NULL; )
2019 if (strncmp (p, "x86-64", 6) == 0)
2022 priv.orig_sizeflag = AFLAG | DFLAG;
2024 else if (strncmp (p, "i386", 4) == 0)
2027 priv.orig_sizeflag = AFLAG | DFLAG;
2029 else if (strncmp (p, "i8086", 5) == 0)
2032 priv.orig_sizeflag = 0;
2034 else if (strncmp (p, "intel", 5) == 0)
2038 else if (strncmp (p, "att", 3) == 0)
2042 else if (strncmp (p, "addr", 4) == 0)
2044 if (p[4] == '1' && p[5] == '6')
2045 priv.orig_sizeflag &= ~AFLAG;
2046 else if (p[4] == '3' && p[5] == '2')
2047 priv.orig_sizeflag |= AFLAG;
2049 else if (strncmp (p, "data", 4) == 0)
2051 if (p[4] == '1' && p[5] == '6')
2052 priv.orig_sizeflag &= ~DFLAG;
2053 else if (p[4] == '3' && p[5] == '2')
2054 priv.orig_sizeflag |= DFLAG;
2056 else if (strncmp (p, "suffix", 6) == 0)
2057 priv.orig_sizeflag |= SUFFIX_ALWAYS;
2059 p = strchr (p, ',');
2066 names64 = intel_names64;
2067 names32 = intel_names32;
2068 names16 = intel_names16;
2069 names8 = intel_names8;
2070 names8rex = intel_names8rex;
2071 names_seg = intel_names_seg;
2072 index16 = intel_index16;
2075 separator_char = '+';
2080 names64 = att_names64;
2081 names32 = att_names32;
2082 names16 = att_names16;
2083 names8 = att_names8;
2084 names8rex = att_names8rex;
2085 names_seg = att_names_seg;
2086 index16 = att_index16;
2089 separator_char = ',';
2093 /* The output looks better if we put 7 bytes on a line, since that
2094 puts most long word instructions on a single line. */
2095 info->bytes_per_line = 7;
2097 info->private_data = &priv;
2098 priv.max_fetched = priv.the_buffer;
2099 priv.insn_start = pc;
2106 op_index[0] = op_index[1] = op_index[2] = -1;
2110 start_codep = priv.the_buffer;
2111 codep = priv.the_buffer;
2114 if (setjmp (priv.bailout) != 0)
2118 /* Getting here means we tried for data but didn't get it. That
2119 means we have an incomplete instruction of some sort. Just
2120 print the first byte as a prefix or a .byte pseudo-op. */
2121 if (codep > priv.the_buffer)
2123 name = prefix_name (priv.the_buffer[0], priv.orig_sizeflag);
2125 (*info->fprintf_func) (info->stream, "%s", name);
2128 /* Just print the first byte as a .byte instruction. */
2129 (*info->fprintf_func) (info->stream, ".byte 0x%x",
2130 (unsigned int) priv.the_buffer[0]);
2138 #endif /* __KERNEL__ */
2144 sizeflag = priv.orig_sizeflag;
2146 FETCH_DATA (info, codep + 1);
2147 two_source_ops = (*codep == 0x62) || (*codep == 0xc8);
2149 if ((prefixes & PREFIX_FWAIT)
2150 && ((*codep < 0xd8) || (*codep > 0xdf)))
2154 /* fwait not followed by floating point instruction. Print the
2155 first prefix, which is probably fwait itself. */
2156 name = prefix_name (priv.the_buffer[0], priv.orig_sizeflag);
2158 name = INTERNAL_DISASSEMBLER_ERROR;
2159 (*info->fprintf_func) (info->stream, "%s", name);
2165 FETCH_DATA (info, codep + 2);
2166 dp = &dis386_twobyte[*++codep];
2167 need_modrm = twobyte_has_modrm[*codep];
2168 uses_SSE_prefix = twobyte_uses_SSE_prefix[*codep];
2169 uses_LOCK_prefix = (*codep & ~0x02) == 0x20;
2173 dp = &dis386[*codep];
2174 need_modrm = onebyte_has_modrm[*codep];
2175 uses_SSE_prefix = 0;
2176 uses_LOCK_prefix = 0;
2180 if (!uses_SSE_prefix && (prefixes & PREFIX_REPZ))
2183 used_prefixes |= PREFIX_REPZ;
2185 if (!uses_SSE_prefix && (prefixes & PREFIX_REPNZ))
2188 used_prefixes |= PREFIX_REPNZ;
2190 if (!uses_LOCK_prefix && (prefixes & PREFIX_LOCK))
2193 used_prefixes |= PREFIX_LOCK;
2196 if (prefixes & PREFIX_ADDR)
2199 if (dp->bytemode3 != loop_jcxz_mode || intel_syntax)
2201 if ((sizeflag & AFLAG) || mode_64bit)
2202 oappend ("addr32 ");
2204 oappend ("addr16 ");
2205 used_prefixes |= PREFIX_ADDR;
2209 if (!uses_SSE_prefix && (prefixes & PREFIX_DATA))
2212 if (dp->bytemode3 == cond_jump_mode
2213 && dp->bytemode1 == v_mode
2216 if (sizeflag & DFLAG)
2217 oappend ("data32 ");
2219 oappend ("data16 ");
2220 used_prefixes |= PREFIX_DATA;
2226 FETCH_DATA (info, codep + 1);
2227 mod = (*codep >> 6) & 3;
2228 reg = (*codep >> 3) & 7;
2232 if (dp->name == NULL && dp->bytemode1 == FLOATCODE)
2239 if (dp->name == NULL)
2241 switch (dp->bytemode1)
2244 dp = &grps[dp->bytemode2][reg];
2247 case USE_PREFIX_USER_TABLE:
2249 used_prefixes |= (prefixes & PREFIX_REPZ);
2250 if (prefixes & PREFIX_REPZ)
2254 used_prefixes |= (prefixes & PREFIX_DATA);
2255 if (prefixes & PREFIX_DATA)
2259 used_prefixes |= (prefixes & PREFIX_REPNZ);
2260 if (prefixes & PREFIX_REPNZ)
2264 dp = &prefix_user_table[dp->bytemode2][index];
2267 case X86_64_SPECIAL:
2268 dp = &x86_64_table[dp->bytemode2][mode_64bit];
2272 oappend (INTERNAL_DISASSEMBLER_ERROR);
2277 if (putop (dp->name, sizeflag) == 0)
2282 (*dp->op1) (dp->bytemode1, sizeflag);
2287 (*dp->op2) (dp->bytemode2, sizeflag);
2292 (*dp->op3) (dp->bytemode3, sizeflag);
2296 /* See if any prefixes were not used. If so, print the first one
2297 separately. If we don't do this, we'll wind up printing an
2298 instruction stream which does not precisely correspond to the
2299 bytes we are disassembling. */
2300 if ((prefixes & ~used_prefixes) != 0)
2304 name = prefix_name (priv.the_buffer[0], priv.orig_sizeflag);
2306 name = INTERNAL_DISASSEMBLER_ERROR;
2307 (*info->fprintf_func) (info->stream, "%s", name);
2310 if (rex & ~rex_used)
2313 name = prefix_name (rex | 0x40, priv.orig_sizeflag);
2315 name = INTERNAL_DISASSEMBLER_ERROR;
2316 (*info->fprintf_func) (info->stream, "%s ", name);
2319 obufp = obuf + strlen (obuf);
2320 for (i = strlen (obuf); i < 6; i++)
2323 (*info->fprintf_func) (info->stream, "%s", obuf);
2325 /* The enter and bound instructions are printed with operands in the same
2326 order as the intel book; everything else is printed in reverse order. */
2327 if (intel_syntax || two_source_ops)
2332 op_ad = op_index[0];
2333 op_index[0] = op_index[2];
2334 op_index[2] = op_ad;
2345 if (op_index[0] != -1 && !op_riprel[0])
2346 (*info->print_address_func) ((bfd_vma) op_address[op_index[0]], info);
2348 (*info->fprintf_func) (info->stream, "%s", first);
2354 (*info->fprintf_func) (info->stream, ",");
2355 if (op_index[1] != -1 && !op_riprel[1])
2356 (*info->print_address_func) ((bfd_vma) op_address[op_index[1]], info);
2358 (*info->fprintf_func) (info->stream, "%s", second);
2364 (*info->fprintf_func) (info->stream, ",");
2365 if (op_index[2] != -1 && !op_riprel[2])
2366 (*info->print_address_func) ((bfd_vma) op_address[op_index[2]], info);
2368 (*info->fprintf_func) (info->stream, "%s", third);
2370 for (i = 0; i < 3; i++)
2371 if (op_index[i] != -1 && op_riprel[i])
2373 (*info->fprintf_func) (info->stream, " # ");
2374 (*info->print_address_func) ((bfd_vma) (start_pc + codep - start_codep
2375 + op_address[op_index[i]]), info);
2377 return codep - priv.the_buffer;
2380 static const char *float_mem[] = {
2455 static const unsigned char float_mem_mode[] = {
2531 #define STi OP_STi, 0
2533 #define FGRPd9_2 NULL, NULL, 0, NULL, 0, NULL, 0
2534 #define FGRPd9_4 NULL, NULL, 1, NULL, 0, NULL, 0
2535 #define FGRPd9_5 NULL, NULL, 2, NULL, 0, NULL, 0
2536 #define FGRPd9_6 NULL, NULL, 3, NULL, 0, NULL, 0
2537 #define FGRPd9_7 NULL, NULL, 4, NULL, 0, NULL, 0
2538 #define FGRPda_5 NULL, NULL, 5, NULL, 0, NULL, 0
2539 #define FGRPdb_4 NULL, NULL, 6, NULL, 0, NULL, 0
2540 #define FGRPde_3 NULL, NULL, 7, NULL, 0, NULL, 0
2541 #define FGRPdf_4 NULL, NULL, 8, NULL, 0, NULL, 0
2543 static const struct dis386 float_reg[][8] = {
2546 { "fadd", ST, STi, XX },
2547 { "fmul", ST, STi, XX },
2548 { "fcom", STi, XX, XX },
2549 { "fcomp", STi, XX, XX },
2550 { "fsub", ST, STi, XX },
2551 { "fsubr", ST, STi, XX },
2552 { "fdiv", ST, STi, XX },
2553 { "fdivr", ST, STi, XX },
2557 { "fld", STi, XX, XX },
2558 { "fxch", STi, XX, XX },
2560 { "(bad)", XX, XX, XX },
2568 { "fcmovb", ST, STi, XX },
2569 { "fcmove", ST, STi, XX },
2570 { "fcmovbe",ST, STi, XX },
2571 { "fcmovu", ST, STi, XX },
2572 { "(bad)", XX, XX, XX },
2574 { "(bad)", XX, XX, XX },
2575 { "(bad)", XX, XX, XX },
2579 { "fcmovnb",ST, STi, XX },
2580 { "fcmovne",ST, STi, XX },
2581 { "fcmovnbe",ST, STi, XX },
2582 { "fcmovnu",ST, STi, XX },
2584 { "fucomi", ST, STi, XX },
2585 { "fcomi", ST, STi, XX },
2586 { "(bad)", XX, XX, XX },
2590 { "fadd", STi, ST, XX },
2591 { "fmul", STi, ST, XX },
2592 { "(bad)", XX, XX, XX },
2593 { "(bad)", XX, XX, XX },
2595 { "fsub", STi, ST, XX },
2596 { "fsubr", STi, ST, XX },
2597 { "fdiv", STi, ST, XX },
2598 { "fdivr", STi, ST, XX },
2600 { "fsubr", STi, ST, XX },
2601 { "fsub", STi, ST, XX },
2602 { "fdivr", STi, ST, XX },
2603 { "fdiv", STi, ST, XX },
2608 { "ffree", STi, XX, XX },
2609 { "(bad)", XX, XX, XX },
2610 { "fst", STi, XX, XX },
2611 { "fstp", STi, XX, XX },
2612 { "fucom", STi, XX, XX },
2613 { "fucomp", STi, XX, XX },
2614 { "(bad)", XX, XX, XX },
2615 { "(bad)", XX, XX, XX },
2619 { "faddp", STi, ST, XX },
2620 { "fmulp", STi, ST, XX },
2621 { "(bad)", XX, XX, XX },
2624 { "fsubp", STi, ST, XX },
2625 { "fsubrp", STi, ST, XX },
2626 { "fdivp", STi, ST, XX },
2627 { "fdivrp", STi, ST, XX },
2629 { "fsubrp", STi, ST, XX },
2630 { "fsubp", STi, ST, XX },
2631 { "fdivrp", STi, ST, XX },
2632 { "fdivp", STi, ST, XX },
2637 { "ffreep", STi, XX, XX },
2638 { "(bad)", XX, XX, XX },
2639 { "(bad)", XX, XX, XX },
2640 { "(bad)", XX, XX, XX },
2642 { "fucomip",ST, STi, XX },
2643 { "fcomip", ST, STi, XX },
2644 { "(bad)", XX, XX, XX },
2648 static char *fgrps[][8] = {
2651 "fnop","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)",
2656 "fchs","fabs","(bad)","(bad)","ftst","fxam","(bad)","(bad)",
2661 "fld1","fldl2t","fldl2e","fldpi","fldlg2","fldln2","fldz","(bad)",
2666 "f2xm1","fyl2x","fptan","fpatan","fxtract","fprem1","fdecstp","fincstp",
2671 "fprem","fyl2xp1","fsqrt","fsincos","frndint","fscale","fsin","fcos",
2676 "(bad)","fucompp","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)",
2681 "feni(287 only)","fdisi(287 only)","fNclex","fNinit",
2682 "fNsetpm(287 only)","(bad)","(bad)","(bad)",
2687 "(bad)","fcompp","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)",
2692 "fNstsw","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)",
2697 dofloat (int sizeflag)
2699 const struct dis386 *dp;
2700 unsigned char floatop;
2702 floatop = codep[-1];
2706 int fp_indx = (floatop - 0xd8) * 8 + reg;
2708 putop (float_mem[fp_indx], sizeflag);
2710 OP_E (float_mem_mode[fp_indx], sizeflag);
2713 /* Skip mod/rm byte. */
2717 dp = &float_reg[floatop - 0xd8][reg];
2718 if (dp->name == NULL)
2720 putop (fgrps[dp->bytemode1][rm], sizeflag);
2722 /* Instruction fnstsw is only one with strange arg. */
2723 if (floatop == 0xdf && codep[-1] == 0xe0)
2724 strcpy (op1out, names16[0]);
2728 putop (dp->name, sizeflag);
2732 (*dp->op1) (dp->bytemode1, sizeflag);
2735 (*dp->op2) (dp->bytemode2, sizeflag);
2740 OP_ST (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
2746 OP_STi (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
2748 sprintf (scratchbuf, "%%st(%d)", rm);
2749 oappend (scratchbuf + intel_syntax);
2752 /* Capital letters in template are macros. */
2754 putop (const char *template, int sizeflag)
2759 for (p = template; *p; p++)
2778 /* Alternative not valid. */
2779 strcpy (obuf, "(bad)");
2783 else if (*p == '\0')
2804 if (mod != 3 || (sizeflag & SUFFIX_ALWAYS))
2810 if (sizeflag & SUFFIX_ALWAYS)
2814 if (intel_syntax && !alt)
2816 if ((prefixes & PREFIX_DATA) || (sizeflag & SUFFIX_ALWAYS))
2818 if (sizeflag & DFLAG)
2819 *obufp++ = intel_syntax ? 'd' : 'l';
2821 *obufp++ = intel_syntax ? 'w' : 's';
2822 used_prefixes |= (prefixes & PREFIX_DATA);
2825 case 'E': /* For jcxz/jecxz */
2828 if (sizeflag & AFLAG)
2834 if (sizeflag & AFLAG)
2836 used_prefixes |= (prefixes & PREFIX_ADDR);
2841 if ((prefixes & PREFIX_ADDR) || (sizeflag & SUFFIX_ALWAYS))
2843 if (sizeflag & AFLAG)
2844 *obufp++ = mode_64bit ? 'q' : 'l';
2846 *obufp++ = mode_64bit ? 'l' : 'w';
2847 used_prefixes |= (prefixes & PREFIX_ADDR);
2853 if ((prefixes & (PREFIX_CS | PREFIX_DS)) == PREFIX_CS
2854 || (prefixes & (PREFIX_CS | PREFIX_DS)) == PREFIX_DS)
2856 used_prefixes |= prefixes & (PREFIX_CS | PREFIX_DS);
2859 if (prefixes & PREFIX_DS)
2873 if (sizeflag & SUFFIX_ALWAYS)
2877 if ((prefixes & PREFIX_FWAIT) == 0)
2880 used_prefixes |= PREFIX_FWAIT;
2883 USED_REX (REX_MODE64);
2884 if (rex & REX_MODE64)
2901 if ((prefixes & PREFIX_DATA)
2902 || (rex & REX_MODE64)
2903 || (sizeflag & SUFFIX_ALWAYS))
2905 USED_REX (REX_MODE64);
2906 if (rex & REX_MODE64)
2910 if (sizeflag & DFLAG)
2914 used_prefixes |= (prefixes & PREFIX_DATA);
2928 if (intel_syntax && !alt)
2930 USED_REX (REX_MODE64);
2931 if (mod != 3 || (sizeflag & SUFFIX_ALWAYS))
2933 if (rex & REX_MODE64)
2937 if (sizeflag & DFLAG)
2938 *obufp++ = intel_syntax ? 'd' : 'l';
2941 used_prefixes |= (prefixes & PREFIX_DATA);
2946 USED_REX (REX_MODE64);
2949 if (rex & REX_MODE64)
2954 else if (sizeflag & DFLAG)
2967 if (rex & REX_MODE64)
2969 else if (sizeflag & DFLAG)
2974 if (!(rex & REX_MODE64))
2975 used_prefixes |= (prefixes & PREFIX_DATA);
2980 if (sizeflag & SUFFIX_ALWAYS)
2982 if (rex & REX_MODE64)
2986 if (sizeflag & DFLAG)
2990 used_prefixes |= (prefixes & PREFIX_DATA);
2995 if (prefixes & PREFIX_DATA)
2999 used_prefixes |= (prefixes & PREFIX_DATA);
3004 if (rex & REX_MODE64)
3006 USED_REX (REX_MODE64);
3010 /* implicit operand size 'l' for i386 or 'q' for x86-64 */
3012 /* operand size flag for cwtl, cbtw */
3016 else if (sizeflag & DFLAG)
3027 if (sizeflag & DFLAG)
3038 used_prefixes |= (prefixes & PREFIX_DATA);
3048 oappend (const char *s)
3051 obufp += strlen (s);
3057 if (prefixes & PREFIX_CS)
3059 used_prefixes |= PREFIX_CS;
3060 oappend ("%cs:" + intel_syntax);
3062 if (prefixes & PREFIX_DS)
3064 used_prefixes |= PREFIX_DS;
3065 oappend ("%ds:" + intel_syntax);
3067 if (prefixes & PREFIX_SS)
3069 used_prefixes |= PREFIX_SS;
3070 oappend ("%ss:" + intel_syntax);
3072 if (prefixes & PREFIX_ES)
3074 used_prefixes |= PREFIX_ES;
3075 oappend ("%es:" + intel_syntax);
3077 if (prefixes & PREFIX_FS)
3079 used_prefixes |= PREFIX_FS;
3080 oappend ("%fs:" + intel_syntax);
3082 if (prefixes & PREFIX_GS)
3084 used_prefixes |= PREFIX_GS;
3085 oappend ("%gs:" + intel_syntax);
3090 OP_indirE (int bytemode, int sizeflag)
3094 OP_E (bytemode, sizeflag);
3098 print_operand_value (char *buf, int hex, bfd_vma disp)
3108 sprintf_vma (tmp, disp);
3109 for (i = 0; tmp[i] == '0' && tmp[i + 1]; i++);
3110 strcpy (buf + 2, tmp + i);
3114 bfd_signed_vma v = disp;
3121 /* Check for possible overflow on 0x8000000000000000. */
3124 strcpy (buf, "9223372036854775808");
3138 tmp[28 - i] = (v % 10) + '0';
3142 strcpy (buf, tmp + 29 - i);
3148 sprintf (buf, "0x%x", (unsigned int) disp);
3150 sprintf (buf, "%d", (int) disp);
3155 OP_E (int bytemode, int sizeflag)
3160 USED_REX (REX_EXTZ);
3164 /* Skip mod/rm byte. */
3175 oappend (names8rex[rm + add]);
3177 oappend (names8[rm + add]);
3180 oappend (names16[rm + add]);
3183 oappend (names32[rm + add]);
3186 oappend (names64[rm + add]);
3190 oappend (names64[rm + add]);
3192 oappend (names32[rm + add]);
3196 oappend (names64[rm + add]);
3199 if ((sizeflag & DFLAG) || bytemode != branch_v_mode)
3200 oappend (names32[rm + add]);
3202 oappend (names16[rm + add]);
3203 used_prefixes |= (prefixes & PREFIX_DATA);
3209 USED_REX (REX_MODE64);
3210 if (rex & REX_MODE64)
3211 oappend (names64[rm + add]);
3212 else if ((sizeflag & DFLAG) || bytemode != v_mode)
3213 oappend (names32[rm + add]);
3215 oappend (names16[rm + add]);
3216 used_prefixes |= (prefixes & PREFIX_DATA);
3221 oappend (INTERNAL_DISASSEMBLER_ERROR);
3230 if ((sizeflag & AFLAG) || mode_64bit) /* 32 bit address mode */
3245 FETCH_DATA (the_info, codep + 1);
3246 index = (*codep >> 3) & 7;
3247 if (mode_64bit || index != 0x4)
3248 /* When INDEX == 0x4 in 32 bit mode, SCALE is ignored. */
3249 scale = (*codep >> 6) & 3;
3251 USED_REX (REX_EXTY);
3261 if ((base & 7) == 5)
3264 if (mode_64bit && !havesib)
3270 FETCH_DATA (the_info, codep + 1);
3272 if ((disp & 0x80) != 0)
3281 if (mod != 0 || (base & 7) == 5)
3283 print_operand_value (scratchbuf, !riprel, disp);
3284 oappend (scratchbuf);
3292 if (havebase || (havesib && (index != 4 || scale != 0)))
3299 oappend ("BYTE PTR ");
3303 oappend ("WORD PTR ");
3308 USED_REX (REX_MODE64);
3309 if (rex & REX_MODE64)
3310 oappend ("QWORD PTR ");
3311 else if ((sizeflag & DFLAG) || bytemode == dq_mode)
3312 oappend ("DWORD PTR ");
3314 oappend ("WORD PTR ");
3315 used_prefixes |= (prefixes & PREFIX_DATA);
3318 oappend ("DWORD PTR ");
3321 oappend ("QWORD PTR ");
3325 oappend ("QWORD PTR ");
3327 oappend ("DWORD PTR ");
3330 if (sizeflag & DFLAG)
3332 used_prefixes |= (prefixes & PREFIX_DATA);
3333 oappend ("FWORD PTR ");
3336 oappend ("DWORD PTR ");
3339 oappend ("TBYTE PTR ");
3342 oappend ("XMMWORD PTR ");
3348 *obufp++ = open_char;
3349 if (intel_syntax && riprel)
3353 oappend (mode_64bit && (sizeflag & AFLAG)
3354 ? names64[base] : names32[base]);
3359 if (!intel_syntax || havebase)
3361 *obufp++ = separator_char;
3364 oappend (mode_64bit && (sizeflag & AFLAG)
3365 ? names64[index] : names32[index]);
3367 if (scale != 0 || (!intel_syntax && index != 4))
3369 *obufp++ = scale_char;
3371 sprintf (scratchbuf, "%d", 1 << scale);
3372 oappend (scratchbuf);
3375 if (intel_syntax && disp)
3377 if ((bfd_signed_vma) disp > 0)
3386 disp = - (bfd_signed_vma) disp;
3389 print_operand_value (scratchbuf, mod != 1, disp);
3390 oappend (scratchbuf);
3393 *obufp++ = close_char;
3396 else if (intel_syntax)
3398 if (mod != 0 || (base & 7) == 5)
3400 if (prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS
3401 | PREFIX_ES | PREFIX_FS | PREFIX_GS))
3405 oappend (names_seg[ds_reg - es_reg]);
3408 print_operand_value (scratchbuf, 1, disp);
3409 oappend (scratchbuf);
3414 { /* 16 bit address mode */
3421 if ((disp & 0x8000) != 0)
3426 FETCH_DATA (the_info, codep + 1);
3428 if ((disp & 0x80) != 0)
3433 if ((disp & 0x8000) != 0)
3439 if (mod != 0 || rm == 6)
3441 print_operand_value (scratchbuf, 0, disp);
3442 oappend (scratchbuf);
3445 if (mod != 0 || rm != 6)
3447 *obufp++ = open_char;
3449 oappend (index16[rm]);
3450 if (intel_syntax && disp)
3452 if ((bfd_signed_vma) disp > 0)
3461 disp = - (bfd_signed_vma) disp;
3464 print_operand_value (scratchbuf, mod != 1, disp);
3465 oappend (scratchbuf);
3468 *obufp++ = close_char;
3471 else if (intel_syntax)
3473 if (prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS
3474 | PREFIX_ES | PREFIX_FS | PREFIX_GS))
3478 oappend (names_seg[ds_reg - es_reg]);
3481 print_operand_value (scratchbuf, 1, disp & 0xffff);
3482 oappend (scratchbuf);
3488 OP_G (int bytemode, int sizeflag)
3491 USED_REX (REX_EXTX);
3499 oappend (names8rex[reg + add]);
3501 oappend (names8[reg + add]);
3504 oappend (names16[reg + add]);
3507 oappend (names32[reg + add]);
3510 oappend (names64[reg + add]);
3515 USED_REX (REX_MODE64);
3516 if (rex & REX_MODE64)
3517 oappend (names64[reg + add]);
3518 else if ((sizeflag & DFLAG) || bytemode != v_mode)
3519 oappend (names32[reg + add]);
3521 oappend (names16[reg + add]);
3522 used_prefixes |= (prefixes & PREFIX_DATA);
3526 oappend (names64[reg + add]);
3528 oappend (names32[reg + add]);
3531 oappend (INTERNAL_DISASSEMBLER_ERROR);
3544 FETCH_DATA (the_info, codep + 8);
3545 a = *codep++ & 0xff;
3546 a |= (*codep++ & 0xff) << 8;
3547 a |= (*codep++ & 0xff) << 16;
3548 a |= (*codep++ & 0xff) << 24;
3549 b = *codep++ & 0xff;
3550 b |= (*codep++ & 0xff) << 8;
3551 b |= (*codep++ & 0xff) << 16;
3552 b |= (*codep++ & 0xff) << 24;
3553 x = a + ((bfd_vma) b << 32);
3561 static bfd_signed_vma
3564 bfd_signed_vma x = 0;
3566 FETCH_DATA (the_info, codep + 4);
3567 x = *codep++ & (bfd_signed_vma) 0xff;
3568 x |= (*codep++ & (bfd_signed_vma) 0xff) << 8;
3569 x |= (*codep++ & (bfd_signed_vma) 0xff) << 16;
3570 x |= (*codep++ & (bfd_signed_vma) 0xff) << 24;
3574 static bfd_signed_vma
3577 bfd_signed_vma x = 0;
3579 FETCH_DATA (the_info, codep + 4);
3580 x = *codep++ & (bfd_signed_vma) 0xff;
3581 x |= (*codep++ & (bfd_signed_vma) 0xff) << 8;
3582 x |= (*codep++ & (bfd_signed_vma) 0xff) << 16;
3583 x |= (*codep++ & (bfd_signed_vma) 0xff) << 24;
3585 x = (x ^ ((bfd_signed_vma) 1 << 31)) - ((bfd_signed_vma) 1 << 31);
3595 FETCH_DATA (the_info, codep + 2);
3596 x = *codep++ & 0xff;
3597 x |= (*codep++ & 0xff) << 8;
3602 set_op (bfd_vma op, int riprel)
3604 op_index[op_ad] = op_ad;
3607 op_address[op_ad] = op;
3608 op_riprel[op_ad] = riprel;
3612 /* Mask to get a 32-bit address. */
3613 op_address[op_ad] = op & 0xffffffff;
3614 op_riprel[op_ad] = riprel & 0xffffffff;
3619 OP_REG (int code, int sizeflag)
3623 USED_REX (REX_EXTZ);
3635 case ax_reg: case cx_reg: case dx_reg: case bx_reg:
3636 case sp_reg: case bp_reg: case si_reg: case di_reg:
3637 s = names16[code - ax_reg + add];
3639 case es_reg: case ss_reg: case cs_reg:
3640 case ds_reg: case fs_reg: case gs_reg:
3641 s = names_seg[code - es_reg + add];
3643 case al_reg: case ah_reg: case cl_reg: case ch_reg:
3644 case dl_reg: case dh_reg: case bl_reg: case bh_reg:
3647 s = names8rex[code - al_reg + add];
3649 s = names8[code - al_reg];
3651 case rAX_reg: case rCX_reg: case rDX_reg: case rBX_reg:
3652 case rSP_reg: case rBP_reg: case rSI_reg: case rDI_reg:
3655 s = names64[code - rAX_reg + add];
3658 code += eAX_reg - rAX_reg;
3660 case eAX_reg: case eCX_reg: case eDX_reg: case eBX_reg:
3661 case eSP_reg: case eBP_reg: case eSI_reg: case eDI_reg:
3662 USED_REX (REX_MODE64);
3663 if (rex & REX_MODE64)
3664 s = names64[code - eAX_reg + add];
3665 else if (sizeflag & DFLAG)
3666 s = names32[code - eAX_reg + add];
3668 s = names16[code - eAX_reg + add];
3669 used_prefixes |= (prefixes & PREFIX_DATA);
3672 s = INTERNAL_DISASSEMBLER_ERROR;
3679 OP_IMREG (int code, int sizeflag)
3691 case ax_reg: case cx_reg: case dx_reg: case bx_reg:
3692 case sp_reg: case bp_reg: case si_reg: case di_reg:
3693 s = names16[code - ax_reg];
3695 case es_reg: case ss_reg: case cs_reg:
3696 case ds_reg: case fs_reg: case gs_reg:
3697 s = names_seg[code - es_reg];
3699 case al_reg: case ah_reg: case cl_reg: case ch_reg:
3700 case dl_reg: case dh_reg: case bl_reg: case bh_reg:
3703 s = names8rex[code - al_reg];
3705 s = names8[code - al_reg];
3707 case eAX_reg: case eCX_reg: case eDX_reg: case eBX_reg:
3708 case eSP_reg: case eBP_reg: case eSI_reg: case eDI_reg:
3709 USED_REX (REX_MODE64);
3710 if (rex & REX_MODE64)
3711 s = names64[code - eAX_reg];
3712 else if (sizeflag & DFLAG)
3713 s = names32[code - eAX_reg];
3715 s = names16[code - eAX_reg];
3716 used_prefixes |= (prefixes & PREFIX_DATA);
3719 s = INTERNAL_DISASSEMBLER_ERROR;
3726 OP_I (int bytemode, int sizeflag)
3729 bfd_signed_vma mask = -1;
3734 FETCH_DATA (the_info, codep + 1);
3746 USED_REX (REX_MODE64);
3747 if (rex & REX_MODE64)
3749 else if (sizeflag & DFLAG)
3759 used_prefixes |= (prefixes & PREFIX_DATA);
3770 oappend (INTERNAL_DISASSEMBLER_ERROR);
3775 scratchbuf[0] = '$';
3776 print_operand_value (scratchbuf + 1, 1, op);
3777 oappend (scratchbuf + intel_syntax);
3778 scratchbuf[0] = '\0';
3782 OP_I64 (int bytemode, int sizeflag)
3785 bfd_signed_vma mask = -1;
3789 OP_I (bytemode, sizeflag);
3796 FETCH_DATA (the_info, codep + 1);
3801 USED_REX (REX_MODE64);
3802 if (rex & REX_MODE64)
3804 else if (sizeflag & DFLAG)
3814 used_prefixes |= (prefixes & PREFIX_DATA);
3821 oappend (INTERNAL_DISASSEMBLER_ERROR);
3826 scratchbuf[0] = '$';
3827 print_operand_value (scratchbuf + 1, 1, op);
3828 oappend (scratchbuf + intel_syntax);
3829 scratchbuf[0] = '\0';
3833 OP_sI (int bytemode, int sizeflag)
3836 bfd_signed_vma mask = -1;
3841 FETCH_DATA (the_info, codep + 1);
3843 if ((op & 0x80) != 0)
3848 USED_REX (REX_MODE64);
3849 if (rex & REX_MODE64)
3851 else if (sizeflag & DFLAG)
3860 if ((op & 0x8000) != 0)
3863 used_prefixes |= (prefixes & PREFIX_DATA);
3868 if ((op & 0x8000) != 0)
3872 oappend (INTERNAL_DISASSEMBLER_ERROR);
3876 scratchbuf[0] = '$';
3877 print_operand_value (scratchbuf + 1, 1, op);
3878 oappend (scratchbuf + intel_syntax);
3882 OP_J (int bytemode, int sizeflag)
3890 FETCH_DATA (the_info, codep + 1);
3892 if ((disp & 0x80) != 0)
3896 if (sizeflag & DFLAG)
3901 /* For some reason, a data16 prefix on a jump instruction
3902 means that the pc is masked to 16 bits after the
3903 displacement is added! */
3908 oappend (INTERNAL_DISASSEMBLER_ERROR);
3911 disp = (start_pc + codep - start_codep + disp) & mask;
3913 print_operand_value (scratchbuf, 1, disp);
3914 oappend (scratchbuf);
3918 OP_SEG (int dummy ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
3920 oappend (names_seg[reg]);
3924 OP_DIR (int dummy ATTRIBUTE_UNUSED, int sizeflag)
3928 if (sizeflag & DFLAG)
3938 used_prefixes |= (prefixes & PREFIX_DATA);
3940 sprintf (scratchbuf, "0x%x,0x%x", seg, offset);
3942 sprintf (scratchbuf, "$0x%x,$0x%x", seg, offset);
3943 oappend (scratchbuf);
3947 OP_OFF (int bytemode ATTRIBUTE_UNUSED, int sizeflag)
3953 if ((sizeflag & AFLAG) || mode_64bit)
3960 if (!(prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS
3961 | PREFIX_ES | PREFIX_FS | PREFIX_GS)))
3963 oappend (names_seg[ds_reg - es_reg]);
3967 print_operand_value (scratchbuf, 1, off);
3968 oappend (scratchbuf);
3972 OP_OFF64 (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
3978 OP_OFF (bytemode, sizeflag);
3988 if (!(prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS
3989 | PREFIX_ES | PREFIX_FS | PREFIX_GS)))
3991 oappend (names_seg[ds_reg - es_reg]);
3995 print_operand_value (scratchbuf, 1, off);
3996 oappend (scratchbuf);
4000 ptr_reg (int code, int sizeflag)
4004 *obufp++ = open_char;
4005 used_prefixes |= (prefixes & PREFIX_ADDR);
4008 if (!(sizeflag & AFLAG))
4009 s = names32[code - eAX_reg];
4011 s = names64[code - eAX_reg];
4013 else if (sizeflag & AFLAG)
4014 s = names32[code - eAX_reg];
4016 s = names16[code - eAX_reg];
4018 *obufp++ = close_char;
4023 OP_ESreg (int code, int sizeflag)
4029 USED_REX (REX_MODE64);
4030 used_prefixes |= (prefixes & PREFIX_DATA);
4031 if (rex & REX_MODE64)
4032 oappend ("QWORD PTR ");
4033 else if ((sizeflag & DFLAG))
4034 oappend ("DWORD PTR ");
4036 oappend ("WORD PTR ");
4039 oappend ("BYTE PTR ");
4042 oappend ("%es:" + intel_syntax);
4043 ptr_reg (code, sizeflag);
4047 OP_DSreg (int code, int sizeflag)
4051 if (codep[-1] != 0xd7 && (codep[-1] & 1))
4053 USED_REX (REX_MODE64);
4054 used_prefixes |= (prefixes & PREFIX_DATA);
4055 if (rex & REX_MODE64)
4056 oappend ("QWORD PTR ");
4057 else if ((sizeflag & DFLAG))
4058 oappend ("DWORD PTR ");
4060 oappend ("WORD PTR ");
4063 oappend ("BYTE PTR ");
4073 prefixes |= PREFIX_DS;
4075 ptr_reg (code, sizeflag);
4079 OP_C (int dummy ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
4084 USED_REX (REX_EXTX);
4087 else if (!mode_64bit && (prefixes & PREFIX_LOCK))
4089 used_prefixes |= PREFIX_LOCK;
4092 sprintf (scratchbuf, "%%cr%d", reg + add);
4093 oappend (scratchbuf + intel_syntax);
4097 OP_D (int dummy ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
4100 USED_REX (REX_EXTX);
4104 sprintf (scratchbuf, "db%d", reg + add);
4106 sprintf (scratchbuf, "%%db%d", reg + add);
4107 oappend (scratchbuf);
4111 OP_T (int dummy ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
4113 sprintf (scratchbuf, "%%tr%d", reg);
4114 oappend (scratchbuf + intel_syntax);
4118 OP_Rd (int bytemode, int sizeflag)
4121 OP_E (bytemode, sizeflag);
4127 OP_MMX (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
4129 used_prefixes |= (prefixes & PREFIX_DATA);
4130 if (prefixes & PREFIX_DATA)
4133 USED_REX (REX_EXTX);
4136 sprintf (scratchbuf, "%%xmm%d", reg + add);
4139 sprintf (scratchbuf, "%%mm%d", reg);
4140 oappend (scratchbuf + intel_syntax);
4144 OP_XMM (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
4147 USED_REX (REX_EXTX);
4150 sprintf (scratchbuf, "%%xmm%d", reg + add);
4151 oappend (scratchbuf + intel_syntax);
4155 OP_EM (int bytemode, int sizeflag)
4159 if (intel_syntax && bytemode == v_mode)
4161 bytemode = (prefixes & PREFIX_DATA) ? x_mode : q_mode;
4162 used_prefixes |= (prefixes & PREFIX_DATA);
4164 OP_E (bytemode, sizeflag);
4168 /* Skip mod/rm byte. */
4171 used_prefixes |= (prefixes & PREFIX_DATA);
4172 if (prefixes & PREFIX_DATA)
4176 USED_REX (REX_EXTZ);
4179 sprintf (scratchbuf, "%%xmm%d", rm + add);
4182 sprintf (scratchbuf, "%%mm%d", rm);
4183 oappend (scratchbuf + intel_syntax);
4187 OP_EX (int bytemode, int sizeflag)
4192 if (intel_syntax && bytemode == v_mode)
4194 switch (prefixes & (PREFIX_DATA|PREFIX_REPZ|PREFIX_REPNZ))
4196 case 0: bytemode = x_mode; break;
4197 case PREFIX_REPZ: bytemode = d_mode; used_prefixes |= PREFIX_REPZ; break;
4198 case PREFIX_DATA: bytemode = x_mode; used_prefixes |= PREFIX_DATA; break;
4199 case PREFIX_REPNZ: bytemode = q_mode; used_prefixes |= PREFIX_REPNZ; break;
4200 default: bytemode = 0; break;
4203 OP_E (bytemode, sizeflag);
4206 USED_REX (REX_EXTZ);
4210 /* Skip mod/rm byte. */
4213 sprintf (scratchbuf, "%%xmm%d", rm + add);
4214 oappend (scratchbuf + intel_syntax);
4218 OP_MS (int bytemode, int sizeflag)
4221 OP_EM (bytemode, sizeflag);
4227 OP_XS (int bytemode, int sizeflag)
4230 OP_EX (bytemode, sizeflag);
4236 OP_M (int bytemode, int sizeflag)
4239 BadOp (); /* bad lea,lds,les,lfs,lgs,lss modrm */
4241 OP_E (bytemode, sizeflag);
4245 OP_0f07 (int bytemode, int sizeflag)
4247 if (mod != 3 || rm != 0)
4250 OP_E (bytemode, sizeflag);
4254 OP_0fae (int bytemode, int sizeflag)
4259 strcpy (obuf + strlen (obuf) - sizeof ("xrstor") + 1, "lfence");
4261 strcpy (obuf + strlen (obuf) - sizeof ("clflush") + 1, "sfence");
4263 if (reg < 5 || rm != 0)
4265 BadOp (); /* bad sfence, mfence, or lfence */
4269 else if (reg != 5 && reg != 7)
4271 BadOp (); /* bad xrstor or clflush */
4275 OP_E (bytemode, sizeflag);
4279 NOP_Fixup (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
4281 /* NOP with REPZ prefix is called PAUSE. */
4282 if (prefixes == PREFIX_REPZ)
4283 strcpy (obuf, "pause");
4286 static const char *const Suffix3DNow[] = {
4287 /* 00 */ NULL, NULL, NULL, NULL,
4288 /* 04 */ NULL, NULL, NULL, NULL,
4289 /* 08 */ NULL, NULL, NULL, NULL,
4290 /* 0C */ "pi2fw", "pi2fd", NULL, NULL,
4291 /* 10 */ NULL, NULL, NULL, NULL,
4292 /* 14 */ NULL, NULL, NULL, NULL,
4293 /* 18 */ NULL, NULL, NULL, NULL,
4294 /* 1C */ "pf2iw", "pf2id", NULL, NULL,
4295 /* 20 */ NULL, NULL, NULL, NULL,
4296 /* 24 */ NULL, NULL, NULL, NULL,
4297 /* 28 */ NULL, NULL, NULL, NULL,
4298 /* 2C */ NULL, NULL, NULL, NULL,
4299 /* 30 */ NULL, NULL, NULL, NULL,
4300 /* 34 */ NULL, NULL, NULL, NULL,
4301 /* 38 */ NULL, NULL, NULL, NULL,
4302 /* 3C */ NULL, NULL, NULL, NULL,
4303 /* 40 */ NULL, NULL, NULL, NULL,
4304 /* 44 */ NULL, NULL, NULL, NULL,
4305 /* 48 */ NULL, NULL, NULL, NULL,
4306 /* 4C */ NULL, NULL, NULL, NULL,
4307 /* 50 */ NULL, NULL, NULL, NULL,
4308 /* 54 */ NULL, NULL, NULL, NULL,
4309 /* 58 */ NULL, NULL, NULL, NULL,
4310 /* 5C */ NULL, NULL, NULL, NULL,
4311 /* 60 */ NULL, NULL, NULL, NULL,
4312 /* 64 */ NULL, NULL, NULL, NULL,
4313 /* 68 */ NULL, NULL, NULL, NULL,
4314 /* 6C */ NULL, NULL, NULL, NULL,
4315 /* 70 */ NULL, NULL, NULL, NULL,
4316 /* 74 */ NULL, NULL, NULL, NULL,
4317 /* 78 */ NULL, NULL, NULL, NULL,
4318 /* 7C */ NULL, NULL, NULL, NULL,
4319 /* 80 */ NULL, NULL, NULL, NULL,
4320 /* 84 */ NULL, NULL, NULL, NULL,
4321 /* 88 */ NULL, NULL, "pfnacc", NULL,
4322 /* 8C */ NULL, NULL, "pfpnacc", NULL,
4323 /* 90 */ "pfcmpge", NULL, NULL, NULL,
4324 /* 94 */ "pfmin", NULL, "pfrcp", "pfrsqrt",
4325 /* 98 */ NULL, NULL, "pfsub", NULL,
4326 /* 9C */ NULL, NULL, "pfadd", NULL,
4327 /* A0 */ "pfcmpgt", NULL, NULL, NULL,
4328 /* A4 */ "pfmax", NULL, "pfrcpit1", "pfrsqit1",
4329 /* A8 */ NULL, NULL, "pfsubr", NULL,
4330 /* AC */ NULL, NULL, "pfacc", NULL,
4331 /* B0 */ "pfcmpeq", NULL, NULL, NULL,
4332 /* B4 */ "pfmul", NULL, "pfrcpit2", "pfmulhrw",
4333 /* B8 */ NULL, NULL, NULL, "pswapd",
4334 /* BC */ NULL, NULL, NULL, "pavgusb",
4335 /* C0 */ NULL, NULL, NULL, NULL,
4336 /* C4 */ NULL, NULL, NULL, NULL,
4337 /* C8 */ NULL, NULL, NULL, NULL,
4338 /* CC */ NULL, NULL, NULL, NULL,
4339 /* D0 */ NULL, NULL, NULL, NULL,
4340 /* D4 */ NULL, NULL, NULL, NULL,
4341 /* D8 */ NULL, NULL, NULL, NULL,
4342 /* DC */ NULL, NULL, NULL, NULL,
4343 /* E0 */ NULL, NULL, NULL, NULL,
4344 /* E4 */ NULL, NULL, NULL, NULL,
4345 /* E8 */ NULL, NULL, NULL, NULL,
4346 /* EC */ NULL, NULL, NULL, NULL,
4347 /* F0 */ NULL, NULL, NULL, NULL,
4348 /* F4 */ NULL, NULL, NULL, NULL,
4349 /* F8 */ NULL, NULL, NULL, NULL,
4350 /* FC */ NULL, NULL, NULL, NULL,
4354 OP_3DNowSuffix (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
4356 const char *mnemonic;
4358 FETCH_DATA (the_info, codep + 1);
4359 /* AMD 3DNow! instructions are specified by an opcode suffix in the
4360 place where an 8-bit immediate would normally go. ie. the last
4361 byte of the instruction. */
4362 obufp = obuf + strlen (obuf);
4363 mnemonic = Suffix3DNow[*codep++ & 0xff];
4368 /* Since a variable sized modrm/sib chunk is between the start
4369 of the opcode (0x0f0f) and the opcode suffix, we need to do
4370 all the modrm processing first, and don't know until now that
4371 we have a bad opcode. This necessitates some cleaning up. */
4378 static const char *simd_cmp_op[] = {
4390 OP_SIMD_Suffix (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
4392 unsigned int cmp_type;
4394 FETCH_DATA (the_info, codep + 1);
4395 obufp = obuf + strlen (obuf);
4396 cmp_type = *codep++ & 0xff;
4399 char suffix1 = 'p', suffix2 = 's';
4400 used_prefixes |= (prefixes & PREFIX_REPZ);
4401 if (prefixes & PREFIX_REPZ)
4405 used_prefixes |= (prefixes & PREFIX_DATA);
4406 if (prefixes & PREFIX_DATA)
4410 used_prefixes |= (prefixes & PREFIX_REPNZ);
4411 if (prefixes & PREFIX_REPNZ)
4412 suffix1 = 's', suffix2 = 'd';
4415 sprintf (scratchbuf, "cmp%s%c%c",
4416 simd_cmp_op[cmp_type], suffix1, suffix2);
4417 used_prefixes |= (prefixes & PREFIX_REPZ);
4418 oappend (scratchbuf);
4422 /* We have a bad extension byte. Clean up. */
4430 SIMD_Fixup (int extrachar, int sizeflag ATTRIBUTE_UNUSED)
4432 /* Change movlps/movhps to movhlps/movlhps for 2 register operand
4433 forms of these instructions. */
4436 char *p = obuf + strlen (obuf);
4439 *(p - 1) = *(p - 2);
4440 *(p - 2) = *(p - 3);
4441 *(p - 3) = extrachar;
4446 PNI_Fixup (int extrachar ATTRIBUTE_UNUSED, int sizeflag)
4448 if (mod == 3 && reg == 1 && rm <= 1)
4450 /* Override "sidt". */
4451 char *p = obuf + strlen (obuf) - 4;
4453 /* We might have a suffix when disassembling with -Msuffix. */
4459 /* mwait %eax,%ecx */
4460 strcpy (p, "mwait");
4462 strcpy (op1out, names32[0]);
4466 /* monitor %eax,%ecx,%edx" */
4467 strcpy (p, "monitor");
4471 strcpy (op1out, names32[0]);
4472 else if (!(prefixes & PREFIX_ADDR))
4473 strcpy (op1out, names64[0]);
4476 strcpy (op1out, names32[0]);
4477 used_prefixes |= PREFIX_ADDR;
4479 strcpy (op3out, names32[2]);
4484 strcpy (op2out, names32[1]);
4495 SVME_Fixup (int bytemode, int sizeflag)
4527 OP_M (bytemode, sizeflag);
4530 /* Override "lidt". */
4531 p = obuf + strlen (obuf) - 4;
4532 /* We might have a suffix. */
4536 if (!(prefixes & PREFIX_ADDR))
4541 used_prefixes |= PREFIX_ADDR;
4545 strcpy (op2out, names32[1]);
4551 *obufp++ = open_char;
4552 if (mode_64bit || (sizeflag & AFLAG))
4556 strcpy (obufp, alt);
4557 obufp += strlen (alt);
4558 *obufp++ = close_char;
4565 INVLPG_Fixup (int bytemode, int sizeflag)
4578 OP_M (bytemode, sizeflag);
4581 /* Override "invlpg". */
4582 strcpy (obuf + strlen (obuf) - 6, alt);
4589 /* Throw away prefixes and 1st. opcode byte. */
4590 codep = insn_codep + 1;
4595 SEG_Fixup (int extrachar, int sizeflag)
4599 /* We need to add a proper suffix with
4610 if (prefixes & PREFIX_DATA)
4614 USED_REX (REX_MODE64);
4615 if (rex & REX_MODE64)
4620 strcat (obuf, suffix);
4624 /* We need to fix the suffix for
4631 Override "mov[l|q]". */
4632 char *p = obuf + strlen (obuf) - 1;
4634 /* We might not have a suffix. */
4640 OP_E (extrachar, sizeflag);
4644 VMX_Fixup (int extrachar ATTRIBUTE_UNUSED, int sizeflag)
4646 if (mod == 3 && reg == 0 && rm >=1 && rm <= 4)
4648 /* Override "sgdt". */
4649 char *p = obuf + strlen (obuf) - 4;
4651 /* We might have a suffix when disassembling with -Msuffix. */
4658 strcpy (p, "vmcall");
4661 strcpy (p, "vmlaunch");
4664 strcpy (p, "vmresume");
4667 strcpy (p, "vmxoff");
4678 OP_VMX (int bytemode, int sizeflag)
4680 used_prefixes |= (prefixes & (PREFIX_DATA | PREFIX_REPZ));
4681 if (prefixes & PREFIX_DATA)
4682 strcpy (obuf, "vmclear");
4683 else if (prefixes & PREFIX_REPZ)
4684 strcpy (obuf, "vmxon");
4686 strcpy (obuf, "vmptrld");
4687 OP_E (bytemode, sizeflag);