Fix garbled ChangeLog entry.
[deliverable/binutils-gdb.git] / opcodes / i386-dis.c
CommitLineData
252b5132 1/* Print i386 instructions for GDB, the GNU debugger.
060d22b0 2 Copyright 1988, 1989, 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
0112cd26 3 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
252b5132 4
20f0a1fc
NC
5 This file is part of GDB.
6
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.
11
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.
16
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
f4321104 19 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
20f0a1fc
NC
20
21/* 80386 instruction printer by Pace Willisson (pace@prep.ai.mit.edu)
22 July 1988
23 modified by John Hassey (hassey@dg-rtp.dg.com)
24 x86-64 support added by Jan Hubicka (jh@suse.cz)
25 VIA PadLock support by Michal Ludvig (mludvig@suse.cz). */
26
27/* The main tables describing the instructions is essentially a copy
28 of the "Opcode Map" chapter (Appendix A) of the Intel 80386
29 Programmers Manual. Usually, there is a capital letter, followed
30 by a small letter. The capital letter tell the addressing mode,
31 and the small letter tells about the operand size. Refer to
32 the Intel manual for details. */
252b5132
RH
33
34#include "dis-asm.h"
35#include "sysdep.h"
36#include "opintl.h"
37
272c9217 38#define MAXLEN 15
252b5132
RH
39
40#include <setjmp.h>
41
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
46#endif
47
26ca5450
AJ
48static int fetch_data (struct disassemble_info *, bfd_byte *);
49static void ckprefix (void);
50static const char *prefix_name (int, int);
51static int print_insn (bfd_vma, disassemble_info *);
52static void dofloat (int);
53static void OP_ST (int, int);
54static void OP_STi (int, int);
55static int putop (const char *, int);
56static void oappend (const char *);
57static void append_seg (void);
58static void OP_indirE (int, int);
59static void print_operand_value (char *, int, bfd_vma);
60static void OP_E (int, int);
61static void OP_G (int, int);
62static bfd_vma get64 (void);
63static bfd_signed_vma get32 (void);
64static bfd_signed_vma get32s (void);
65static int get16 (void);
66static void set_op (bfd_vma, int);
67static void OP_REG (int, int);
68static void OP_IMREG (int, int);
69static void OP_I (int, int);
70static void OP_I64 (int, int);
71static void OP_sI (int, int);
72static void OP_J (int, int);
73static void OP_SEG (int, int);
74static void OP_DIR (int, int);
75static void OP_OFF (int, int);
76static void OP_OFF64 (int, int);
77static void ptr_reg (int, int);
78static void OP_ESreg (int, int);
79static void OP_DSreg (int, int);
80static void OP_C (int, int);
81static void OP_D (int, int);
82static void OP_T (int, int);
83static void OP_Rd (int, int);
84static void OP_MMX (int, int);
85static void OP_XMM (int, int);
86static void OP_EM (int, int);
87static void OP_EX (int, int);
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88static void OP_EMC (int,int);
89static void OP_MXC (int,int);
26ca5450
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90static void OP_MS (int, int);
91static void OP_XS (int, int);
cc0ec051 92static void OP_M (int, int);
90700ea2 93static void OP_VMX (int, int);
cc0ec051
AM
94static void OP_0fae (int, int);
95static void OP_0f07 (int, int);
46e883c5
L
96static void NOP_Fixup1 (int, int);
97static void NOP_Fixup2 (int, int);
26ca5450
AJ
98static void OP_3DNowSuffix (int, int);
99static void OP_SIMD_Suffix (int, int);
100static void SIMD_Fixup (int, int);
101static void PNI_Fixup (int, int);
30123838 102static void SVME_Fixup (int, int);
4fd61dcb 103static void INVLPG_Fixup (int, int);
26ca5450 104static void BadOp (void);
4cc91dba 105static void SEG_Fixup (int, int);
90700ea2 106static void VMX_Fixup (int, int);
35c52694 107static void REP_Fixup (int, int);
252b5132 108
6608db57 109struct dis_private {
252b5132
RH
110 /* Points to first byte not fetched. */
111 bfd_byte *max_fetched;
112 bfd_byte the_buffer[MAXLEN];
113 bfd_vma insn_start;
e396998b 114 int orig_sizeflag;
252b5132
RH
115 jmp_buf bailout;
116};
117
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ILT
118/* The opcode for the fwait instruction, which we treat as a prefix
119 when we can. */
120#define FWAIT_OPCODE (0x9b)
121
cb712a9e
L
122enum address_mode
123{
124 mode_16bit,
125 mode_32bit,
126 mode_64bit
127};
128
129enum address_mode address_mode;
52b15da3 130
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ILT
131/* Flags for the prefixes for the current instruction. See below. */
132static int prefixes;
133
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JH
134/* REX prefix the current instruction. See below. */
135static int rex;
136/* Bits of REX we've already used. */
137static int rex_used;
138#define REX_MODE64 8
139#define REX_EXTX 4
140#define REX_EXTY 2
141#define REX_EXTZ 1
142/* Mark parts used in the REX prefix. When we are testing for
143 empty prefix (for 8bit register REX extension), just mask it
144 out. Otherwise test for REX bit is excuse for existence of REX
145 only in case value is nonzero. */
146#define USED_REX(value) \
147 { \
148 if (value) \
149 rex_used |= (rex & value) ? (value) | 0x40 : 0; \
150 else \
151 rex_used |= 0x40; \
152 }
153
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ILT
154/* Flags for prefixes which we somehow handled when printing the
155 current instruction. */
156static int used_prefixes;
157
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ILT
158/* Flags stored in PREFIXES. */
159#define PREFIX_REPZ 1
160#define PREFIX_REPNZ 2
161#define PREFIX_LOCK 4
162#define PREFIX_CS 8
163#define PREFIX_SS 0x10
164#define PREFIX_DS 0x20
165#define PREFIX_ES 0x40
166#define PREFIX_FS 0x80
167#define PREFIX_GS 0x100
168#define PREFIX_DATA 0x200
169#define PREFIX_ADDR 0x400
170#define PREFIX_FWAIT 0x800
171
252b5132
RH
172/* Make sure that bytes from INFO->PRIVATE_DATA->BUFFER (inclusive)
173 to ADDR (exclusive) are valid. Returns 1 for success, longjmps
174 on error. */
175#define FETCH_DATA(info, addr) \
6608db57 176 ((addr) <= ((struct dis_private *) (info->private_data))->max_fetched \
252b5132
RH
177 ? 1 : fetch_data ((info), (addr)))
178
179static int
26ca5450 180fetch_data (struct disassemble_info *info, bfd_byte *addr)
252b5132
RH
181{
182 int status;
6608db57 183 struct dis_private *priv = (struct dis_private *) info->private_data;
252b5132
RH
184 bfd_vma start = priv->insn_start + (priv->max_fetched - priv->the_buffer);
185
272c9217
JB
186 if (addr <= priv->the_buffer + MAXLEN)
187 status = (*info->read_memory_func) (start,
188 priv->max_fetched,
189 addr - priv->max_fetched,
190 info);
191 else
192 status = -1;
252b5132
RH
193 if (status != 0)
194 {
7d421014 195 /* If we did manage to read at least one byte, then
db6eb5be
AM
196 print_insn_i386 will do something sensible. Otherwise, print
197 an error. We do that here because this is where we know
198 STATUS. */
7d421014 199 if (priv->max_fetched == priv->the_buffer)
5076851f 200 (*info->memory_error_func) (status, start, info);
252b5132
RH
201 longjmp (priv->bailout, 1);
202 }
203 else
204 priv->max_fetched = addr;
205 return 1;
206}
207
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ILT
208#define XX NULL, 0
209
252b5132 210#define Eb OP_E, b_mode
52b15da3
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211#define Ev OP_E, v_mode
212#define Ed OP_E, d_mode
9306ca4a 213#define Eq OP_E, q_mode
db6eb5be 214#define Edq OP_E, dq_mode
9306ca4a 215#define Edqw OP_E, dqw_mode
1a114b12 216#define indirEv OP_indirE, stack_v_mode
9306ca4a 217#define indirEp OP_indirE, f_mode
1a114b12 218#define stackEv OP_E, stack_v_mode
90700ea2 219#define Em OP_E, m_mode
252b5132
RH
220#define Ew OP_E, w_mode
221#define Ma OP_E, v_mode
cc0ec051 222#define M OP_M, 0 /* lea, lgdt, etc. */
9306ca4a 223#define Mp OP_M, f_mode /* 32 or 48 bit memory operand for LDS, LES etc */
992aaec9 224#define Gb OP_G, b_mode
252b5132 225#define Gv OP_G, v_mode
992aaec9 226#define Gd OP_G, d_mode
9306ca4a 227#define Gdq OP_G, dq_mode
90700ea2 228#define Gm OP_G, m_mode
252b5132 229#define Gw OP_G, w_mode
2da11e11 230#define Rd OP_Rd, d_mode
52b15da3 231#define Rm OP_Rd, m_mode
252b5132
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232#define Ib OP_I, b_mode
233#define sIb OP_sI, b_mode /* sign extened byte */
234#define Iv OP_I, v_mode
52b15da3
JH
235#define Iq OP_I, q_mode
236#define Iv64 OP_I64, v_mode
252b5132 237#define Iw OP_I, w_mode
9306ca4a 238#define I1 OP_I, const_1_mode
252b5132
RH
239#define Jb OP_J, b_mode
240#define Jv OP_J, v_mode
52b15da3
JH
241#define Cm OP_C, m_mode
242#define Dm OP_D, m_mode
252b5132 243#define Td OP_T, d_mode
4cc91dba 244#define Sv SEG_Fixup, v_mode
252b5132 245
52b15da3
JH
246#define RMeAX OP_REG, eAX_reg
247#define RMeBX OP_REG, eBX_reg
248#define RMeCX OP_REG, eCX_reg
249#define RMeDX OP_REG, eDX_reg
250#define RMeSP OP_REG, eSP_reg
251#define RMeBP OP_REG, eBP_reg
252#define RMeSI OP_REG, eSI_reg
253#define RMeDI OP_REG, eDI_reg
254#define RMrAX OP_REG, rAX_reg
255#define RMrBX OP_REG, rBX_reg
256#define RMrCX OP_REG, rCX_reg
257#define RMrDX OP_REG, rDX_reg
258#define RMrSP OP_REG, rSP_reg
259#define RMrBP OP_REG, rBP_reg
260#define RMrSI OP_REG, rSI_reg
261#define RMrDI OP_REG, rDI_reg
262#define RMAL OP_REG, al_reg
263#define RMAL OP_REG, al_reg
264#define RMCL OP_REG, cl_reg
265#define RMDL OP_REG, dl_reg
266#define RMBL OP_REG, bl_reg
267#define RMAH OP_REG, ah_reg
268#define RMCH OP_REG, ch_reg
269#define RMDH OP_REG, dh_reg
270#define RMBH OP_REG, bh_reg
271#define RMAX OP_REG, ax_reg
272#define RMDX OP_REG, dx_reg
273
274#define eAX OP_IMREG, eAX_reg
275#define eBX OP_IMREG, eBX_reg
276#define eCX OP_IMREG, eCX_reg
277#define eDX OP_IMREG, eDX_reg
278#define eSP OP_IMREG, eSP_reg
279#define eBP OP_IMREG, eBP_reg
280#define eSI OP_IMREG, eSI_reg
281#define eDI OP_IMREG, eDI_reg
282#define AL OP_IMREG, al_reg
52b15da3
JH
283#define CL OP_IMREG, cl_reg
284#define DL OP_IMREG, dl_reg
285#define BL OP_IMREG, bl_reg
286#define AH OP_IMREG, ah_reg
287#define CH OP_IMREG, ch_reg
288#define DH OP_IMREG, dh_reg
289#define BH OP_IMREG, bh_reg
290#define AX OP_IMREG, ax_reg
291#define DX OP_IMREG, dx_reg
292#define indirDX OP_IMREG, indir_dx_reg
252b5132
RH
293
294#define Sw OP_SEG, w_mode
c608c12e 295#define Ap OP_DIR, 0
1a114b12
JB
296#define Ob OP_OFF64, b_mode
297#define Ov OP_OFF64, v_mode
252b5132
RH
298#define Xb OP_DSreg, eSI_reg
299#define Xv OP_DSreg, eSI_reg
300#define Yb OP_ESreg, eDI_reg
301#define Yv OP_ESreg, eDI_reg
302#define DSBX OP_DSreg, eBX_reg
303
304#define es OP_REG, es_reg
305#define ss OP_REG, ss_reg
306#define cs OP_REG, cs_reg
307#define ds OP_REG, ds_reg
308#define fs OP_REG, fs_reg
309#define gs OP_REG, gs_reg
310
311#define MX OP_MMX, 0
c608c12e 312#define XM OP_XMM, 0
252b5132 313#define EM OP_EM, v_mode
c608c12e 314#define EX OP_EX, v_mode
2da11e11 315#define MS OP_MS, v_mode
992aaec9 316#define XS OP_XS, v_mode
4d9567e0
MM
317#define EMC OP_EMC, v_mode
318#define MXC OP_MXC, 0
90700ea2 319#define VM OP_VMX, q_mode
252b5132 320#define OPSUF OP_3DNowSuffix, 0
c608c12e 321#define OPSIMD OP_SIMD_Suffix, 0
252b5132 322
35c52694
L
323/* Used handle "rep" prefix for string instructions. */
324#define Xbr REP_Fixup, eSI_reg
325#define Xvr REP_Fixup, eSI_reg
326#define Ybr REP_Fixup, eDI_reg
327#define Yvr REP_Fixup, eDI_reg
328#define indirDXr REP_Fixup, indir_dx_reg
329#define ALr REP_Fixup, al_reg
330#define eAXr REP_Fixup, eAX_reg
331
3ffd33cf
AM
332#define cond_jump_flag NULL, cond_jump_mode
333#define loop_jcxz_flag NULL, loop_jcxz_mode
334
252b5132 335/* bits in sizeflag */
252b5132 336#define SUFFIX_ALWAYS 4
252b5132
RH
337#define AFLAG 2
338#define DFLAG 1
339
52b15da3
JH
340#define b_mode 1 /* byte operand */
341#define v_mode 2 /* operand size depends on prefixes */
342#define w_mode 3 /* word operand */
343#define d_mode 4 /* double word operand */
344#define q_mode 5 /* quad word operand */
9306ca4a
JB
345#define t_mode 6 /* ten-byte operand */
346#define x_mode 7 /* 16-byte XMM operand */
347#define m_mode 8 /* d_mode in 32bit, q_mode in 64bit mode. */
348#define cond_jump_mode 9
349#define loop_jcxz_mode 10
350#define dq_mode 11 /* operand size depends on REX prefixes. */
351#define dqw_mode 12 /* registers like dq_mode, memory like w_mode. */
352#define f_mode 13 /* 4- or 6-byte pointer operand */
353#define const_1_mode 14
1a114b12 354#define stack_v_mode 15 /* v_mode for stack-related opcodes. */
252b5132
RH
355
356#define es_reg 100
357#define cs_reg 101
358#define ss_reg 102
359#define ds_reg 103
360#define fs_reg 104
361#define gs_reg 105
252b5132 362
c608c12e
AM
363#define eAX_reg 108
364#define eCX_reg 109
365#define eDX_reg 110
366#define eBX_reg 111
367#define eSP_reg 112
368#define eBP_reg 113
369#define eSI_reg 114
370#define eDI_reg 115
252b5132
RH
371
372#define al_reg 116
373#define cl_reg 117
374#define dl_reg 118
375#define bl_reg 119
376#define ah_reg 120
377#define ch_reg 121
378#define dh_reg 122
379#define bh_reg 123
380
381#define ax_reg 124
382#define cx_reg 125
383#define dx_reg 126
384#define bx_reg 127
385#define sp_reg 128
386#define bp_reg 129
387#define si_reg 130
388#define di_reg 131
389
52b15da3
JH
390#define rAX_reg 132
391#define rCX_reg 133
392#define rDX_reg 134
393#define rBX_reg 135
394#define rSP_reg 136
395#define rBP_reg 137
396#define rSI_reg 138
397#define rDI_reg 139
398
252b5132
RH
399#define indir_dx_reg 150
400
6439fc28
AM
401#define FLOATCODE 1
402#define USE_GROUPS 2
403#define USE_PREFIX_USER_TABLE 3
404#define X86_64_SPECIAL 4
331d2d0d 405#define IS_3BYTE_OPCODE 5
6439fc28 406
050dfa73
MM
407#define FLOAT NULL, NULL, FLOATCODE, NULL, 0, NULL, 0, NULL, 0
408
409#define GRP1b NULL, NULL, USE_GROUPS, NULL, 0, NULL, 0, NULL, 0
410#define GRP1S NULL, NULL, USE_GROUPS, NULL, 1, NULL, 0, NULL, 0
411#define GRP1Ss NULL, NULL, USE_GROUPS, NULL, 2, NULL, 0, NULL, 0
412#define GRP2b NULL, NULL, USE_GROUPS, NULL, 3, NULL, 0, NULL, 0
413#define GRP2S NULL, NULL, USE_GROUPS, NULL, 4, NULL, 0, NULL, 0
414#define GRP2b_one NULL, NULL, USE_GROUPS, NULL, 5, NULL, 0, NULL, 0
415#define GRP2S_one NULL, NULL, USE_GROUPS, NULL, 6, NULL, 0, NULL, 0
416#define GRP2b_cl NULL, NULL, USE_GROUPS, NULL, 7, NULL, 0, NULL, 0
417#define GRP2S_cl NULL, NULL, USE_GROUPS, NULL, 8, NULL, 0, NULL, 0
418#define GRP3b NULL, NULL, USE_GROUPS, NULL, 9, NULL, 0, NULL, 0
419#define GRP3S NULL, NULL, USE_GROUPS, NULL, 10, NULL, 0, NULL, 0
420#define GRP4 NULL, NULL, USE_GROUPS, NULL, 11, NULL, 0, NULL, 0
421#define GRP5 NULL, NULL, USE_GROUPS, NULL, 12, NULL, 0, NULL, 0
422#define GRP6 NULL, NULL, USE_GROUPS, NULL, 13, NULL, 0, NULL, 0
423#define GRP7 NULL, NULL, USE_GROUPS, NULL, 14, NULL, 0, NULL, 0
424#define GRP8 NULL, NULL, USE_GROUPS, NULL, 15, NULL, 0, NULL, 0
425#define GRP9 NULL, NULL, USE_GROUPS, NULL, 16, NULL, 0, NULL, 0
a6bd098c
L
426#define GRP11_C6 NULL, NULL, USE_GROUPS, NULL, 17, NULL, 0, NULL, 0
427#define GRP11_C7 NULL, NULL, USE_GROUPS, NULL, 18, NULL, 0, NULL, 0
428#define GRP12 NULL, NULL, USE_GROUPS, NULL, 19, NULL, 0, NULL, 0
429#define GRP13 NULL, NULL, USE_GROUPS, NULL, 20, NULL, 0, NULL, 0
430#define GRP14 NULL, NULL, USE_GROUPS, NULL, 21, NULL, 0, NULL, 0
431#define GRP15 NULL, NULL, USE_GROUPS, NULL, 22, NULL, 0, NULL, 0
432#define GRP16 NULL, NULL, USE_GROUPS, NULL, 23, NULL, 0, NULL, 0
433#define GRPAMD NULL, NULL, USE_GROUPS, NULL, 24, NULL, 0, NULL, 0
434#define GRPPADLCK1 NULL, NULL, USE_GROUPS, NULL, 25, NULL, 0, NULL, 0
435#define GRPPADLCK2 NULL, NULL, USE_GROUPS, NULL, 26, NULL, 0, NULL, 0
050dfa73
MM
436
437#define PREGRP0 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 0, NULL, 0, NULL, 0
438#define PREGRP1 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 1, NULL, 0, NULL, 0
439#define PREGRP2 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 2, NULL, 0, NULL, 0
440#define PREGRP3 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 3, NULL, 0, NULL, 0
441#define PREGRP4 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 4, NULL, 0, NULL, 0
442#define PREGRP5 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 5, NULL, 0, NULL, 0
443#define PREGRP6 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 6, NULL, 0, NULL, 0
444#define PREGRP7 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 7, NULL, 0, NULL, 0
445#define PREGRP8 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 8, NULL, 0, NULL, 0
446#define PREGRP9 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 9, NULL, 0, NULL, 0
447#define PREGRP10 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 10, NULL, 0, NULL, 0
448#define PREGRP11 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 11, NULL, 0, NULL, 0
449#define PREGRP12 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 12, NULL, 0, NULL, 0
450#define PREGRP13 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 13, NULL, 0, NULL, 0
451#define PREGRP14 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 14, NULL, 0, NULL, 0
452#define PREGRP15 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 15, NULL, 0, NULL, 0
453#define PREGRP16 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 16, NULL, 0, NULL, 0
454#define PREGRP17 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 17, NULL, 0, NULL, 0
455#define PREGRP18 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 18, NULL, 0, NULL, 0
456#define PREGRP19 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 19, NULL, 0, NULL, 0
457#define PREGRP20 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 20, NULL, 0, NULL, 0
458#define PREGRP21 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 21, NULL, 0, NULL, 0
459#define PREGRP22 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 22, NULL, 0, NULL, 0
460#define PREGRP23 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 23, NULL, 0, NULL, 0
461#define PREGRP24 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 24, NULL, 0, NULL, 0
462#define PREGRP25 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 25, NULL, 0, NULL, 0
463#define PREGRP26 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 26, NULL, 0, NULL, 0
464#define PREGRP27 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 27, NULL, 0, NULL, 0
465#define PREGRP28 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 28, NULL, 0, NULL, 0
466#define PREGRP29 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 29, NULL, 0, NULL, 0
467#define PREGRP30 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 30, NULL, 0, NULL, 0
468#define PREGRP31 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 31, NULL, 0, NULL, 0
469#define PREGRP32 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 32, NULL, 0, NULL, 0
470#define PREGRP33 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 33, NULL, 0, NULL, 0
471#define PREGRP34 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 34, NULL, 0, NULL, 0
472#define PREGRP35 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 35, NULL, 0, NULL, 0
473#define PREGRP36 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 36, NULL, 0, NULL, 0
7918206c
MM
474#define PREGRP37 NULL, NULL, USE_PREFIX_USER_TABLE, NULL, 37, NULL, 0, NULL, 0
475
050dfa73
MM
476
477#define X86_64_0 NULL, NULL, X86_64_SPECIAL, NULL, 0, NULL, 0, NULL, 0
478
479#define THREE_BYTE_0 NULL, NULL, IS_3BYTE_OPCODE, NULL, 0, NULL, 0, NULL, 0
480#define THREE_BYTE_1 NULL, NULL, IS_3BYTE_OPCODE, NULL, 1, NULL, 0, NULL, 0
331d2d0d 481
26ca5450 482typedef void (*op_rtn) (int bytemode, int sizeflag);
252b5132
RH
483
484struct dis386 {
2da11e11 485 const char *name;
252b5132
RH
486 op_rtn op1;
487 int bytemode1;
488 op_rtn op2;
489 int bytemode2;
490 op_rtn op3;
491 int bytemode3;
050dfa73
MM
492 op_rtn op4;
493 int bytemode4;
252b5132
RH
494};
495
496/* Upper case letters in the instruction names here are macros.
497 'A' => print 'b' if no register operands or suffix_always is true
498 'B' => print 'b' if suffix_always is true
9306ca4a
JB
499 'C' => print 's' or 'l' ('w' or 'd' in Intel mode) depending on operand
500 . size prefix
252b5132 501 'E' => print 'e' if 32-bit form of jcxz
3ffd33cf 502 'F' => print 'w' or 'l' depending on address size prefix (loop insns)
5dd0794d 503 'H' => print ",pt" or ",pn" branch hint
9306ca4a
JB
504 'I' => honor following macro letter even in Intel mode (implemented only
505 . for some of the macro letters)
506 'J' => print 'l'
252b5132
RH
507 'L' => print 'l' if suffix_always is true
508 'N' => print 'n' if instruction has no wait "prefix"
52b15da3
JH
509 'O' => print 'd', or 'o'
510 'P' => print 'w', 'l' or 'q' if instruction has an operand size prefix,
e396998b
AM
511 . or suffix_always is true. print 'q' if rex prefix is present.
512 'Q' => print 'w', 'l' or 'q' if no register operands or suffix_always
513 . is true
52b15da3
JH
514 'R' => print 'w', 'l' or 'q' ("wd" or "dq" in intel mode)
515 'S' => print 'w', 'l' or 'q' if suffix_always is true
6439fc28
AM
516 'T' => print 'q' in 64bit mode and behave as 'P' otherwise
517 'U' => print 'q' in 64bit mode and behave as 'Q' otherwise
1a114b12 518 'V' => print 'q' in 64bit mode and behave as 'S' otherwise
10084519 519 'W' => print 'b' or 'w' ("w" or "de" in intel mode)
9306ca4a 520 'X' => print 's', 'd' depending on data16 prefix (for XMM)
76f227a5 521 'Y' => 'q' if instruction has an REX 64bit overwrite prefix
6dd5059a 522 'Z' => print 'q' in 64bit mode and behave as 'L' otherwise
52b15da3 523
6439fc28
AM
524 Many of the above letters print nothing in Intel mode. See "putop"
525 for the details.
52b15da3 526
6439fc28
AM
527 Braces '{' and '}', and vertical bars '|', indicate alternative
528 mnemonic strings for AT&T, Intel, X86_64 AT&T, and X86_64 Intel
529 modes. In cases where there are only two alternatives, the X86_64
530 instruction is reserved, and "(bad)" is printed.
531*/
252b5132 532
6439fc28 533static const struct dis386 dis386[] = {
252b5132 534 /* 00 */
050dfa73
MM
535 { "addB", Eb, Gb, XX, XX },
536 { "addS", Ev, Gv, XX, XX },
537 { "addB", Gb, Eb, XX, XX },
538 { "addS", Gv, Ev, XX, XX },
539 { "addB", AL, Ib, XX, XX },
540 { "addS", eAX, Iv, XX, XX },
541 { "push{T|}", es, XX, XX, XX },
542 { "pop{T|}", es, XX, XX, XX },
252b5132 543 /* 08 */
050dfa73
MM
544 { "orB", Eb, Gb, XX, XX },
545 { "orS", Ev, Gv, XX, XX },
546 { "orB", Gb, Eb, XX, XX },
547 { "orS", Gv, Ev, XX , XX},
548 { "orB", AL, Ib, XX, XX },
549 { "orS", eAX, Iv, XX, XX },
550 { "push{T|}", cs, XX, XX, XX },
551 { "(bad)", XX, XX, XX, XX }, /* 0x0f extended opcode escape */
252b5132 552 /* 10 */
050dfa73
MM
553 { "adcB", Eb, Gb, XX, XX },
554 { "adcS", Ev, Gv, XX, XX },
555 { "adcB", Gb, Eb, XX, XX },
556 { "adcS", Gv, Ev, XX, XX },
557 { "adcB", AL, Ib, XX, XX },
558 { "adcS", eAX, Iv, XX, XX },
559 { "push{T|}", ss, XX, XX, XX },
560 { "pop{T|}", ss, XX, XX, XX },
252b5132 561 /* 18 */
050dfa73
MM
562 { "sbbB", Eb, Gb, XX, XX },
563 { "sbbS", Ev, Gv, XX, XX },
564 { "sbbB", Gb, Eb, XX, XX },
565 { "sbbS", Gv, Ev, XX, XX },
566 { "sbbB", AL, Ib, XX, XX },
567 { "sbbS", eAX, Iv, XX, XX },
568 { "push{T|}", ds, XX, XX, XX },
569 { "pop{T|}", ds, XX, XX, XX },
252b5132 570 /* 20 */
050dfa73
MM
571 { "andB", Eb, Gb, XX, XX },
572 { "andS", Ev, Gv, XX, XX },
573 { "andB", Gb, Eb, XX, XX },
574 { "andS", Gv, Ev, XX, XX },
575 { "andB", AL, Ib, XX, XX },
576 { "andS", eAX, Iv, XX, XX },
577 { "(bad)", XX, XX, XX, XX }, /* SEG ES prefix */
578 { "daa{|}", XX, XX, XX, XX },
252b5132 579 /* 28 */
050dfa73
MM
580 { "subB", Eb, Gb, XX, XX },
581 { "subS", Ev, Gv, XX, XX},
582 { "subB", Gb, Eb, XX, XX },
583 { "subS", Gv, Ev, XX, XX },
584 { "subB", AL, Ib, XX, XX },
585 { "subS", eAX, Iv, XX, XX },
586 { "(bad)", XX, XX, XX, XX }, /* SEG CS prefix */
587 { "das{|}", XX, XX, XX, XX },
252b5132 588 /* 30 */
050dfa73
MM
589 { "xorB", Eb, Gb, XX, XX },
590 { "xorS", Ev, Gv, XX, XX },
591 { "xorB", Gb, Eb, XX, XX },
592 { "xorS", Gv, Ev, XX, XX },
593 { "xorB", AL, Ib, XX, XX },
594 { "xorS", eAX, Iv, XX, XX },
595 { "(bad)", XX, XX, XX, XX }, /* SEG SS prefix */
596 { "aaa{|}", XX, XX, XX, XX },
252b5132 597 /* 38 */
050dfa73
MM
598 { "cmpB", Eb, Gb, XX, XX },
599 { "cmpS", Ev, Gv, XX, XX },
600 { "cmpB", Gb, Eb, XX, XX },
601 { "cmpS", Gv, Ev, XX, XX },
602 { "cmpB", AL, Ib, XX, XX },
603 { "cmpS", eAX, Iv, XX, XX },
604 { "(bad)", XX, XX, XX, XX }, /* SEG DS prefix */
605 { "aas{|}", XX, XX, XX, XX },
252b5132 606 /* 40 */
050dfa73
MM
607 { "inc{S|}", RMeAX, XX, XX, XX },
608 { "inc{S|}", RMeCX, XX, XX, XX },
609 { "inc{S|}", RMeDX, XX, XX, XX },
610 { "inc{S|}", RMeBX, XX, XX, XX },
611 { "inc{S|}", RMeSP, XX, XX, XX },
612 { "inc{S|}", RMeBP, XX, XX, XX },
613 { "inc{S|}", RMeSI, XX, XX, XX },
614 { "inc{S|}", RMeDI, XX, XX, XX },
252b5132 615 /* 48 */
050dfa73
MM
616 { "dec{S|}", RMeAX, XX, XX, XX },
617 { "dec{S|}", RMeCX, XX, XX, XX },
618 { "dec{S|}", RMeDX, XX, XX, XX },
619 { "dec{S|}", RMeBX, XX, XX, XX },
620 { "dec{S|}", RMeSP, XX, XX, XX },
621 { "dec{S|}", RMeBP, XX, XX, XX },
622 { "dec{S|}", RMeSI, XX, XX, XX },
623 { "dec{S|}", RMeDI, XX, XX, XX },
252b5132 624 /* 50 */
050dfa73
MM
625 { "pushV", RMrAX, XX, XX, XX },
626 { "pushV", RMrCX, XX, XX, XX },
627 { "pushV", RMrDX, XX, XX, XX },
628 { "pushV", RMrBX, XX, XX, XX },
629 { "pushV", RMrSP, XX, XX, XX },
630 { "pushV", RMrBP, XX, XX, XX },
631 { "pushV", RMrSI, XX, XX, XX },
632 { "pushV", RMrDI, XX, XX, XX },
252b5132 633 /* 58 */
050dfa73
MM
634 { "popV", RMrAX, XX, XX, XX },
635 { "popV", RMrCX, XX, XX, XX },
636 { "popV", RMrDX, XX, XX, XX },
637 { "popV", RMrBX, XX, XX, XX },
638 { "popV", RMrSP, XX, XX, XX },
639 { "popV", RMrBP, XX, XX, XX },
640 { "popV", RMrSI, XX, XX, XX },
641 { "popV", RMrDI, XX, XX, XX },
252b5132 642 /* 60 */
050dfa73
MM
643 { "pusha{P|}", XX, XX, XX, XX},
644 { "popa{P|}", XX, XX, XX, XX },
645 { "bound{S|}", Gv, Ma, XX, XX },
6439fc28 646 { X86_64_0 },
050dfa73
MM
647 { "(bad)", XX, XX, XX, XX }, /* seg fs */
648 { "(bad)", XX, XX, XX, XX }, /* seg gs */
649 { "(bad)", XX, XX, XX, XX }, /* op size prefix */
650 { "(bad)", XX, XX, XX, XX }, /* adr size prefix */
252b5132 651 /* 68 */
050dfa73
MM
652 { "pushT", Iq, XX, XX, XX },
653 { "imulS", Gv, Ev, Iv, XX },
654 { "pushT", sIb, XX, XX, XX },
655 { "imulS", Gv, Ev, sIb, XX },
656 { "ins{b||b|}", Ybr, indirDX, XX, XX },
657 { "ins{R||R|}", Yvr, indirDX, XX, XX },
658 { "outs{b||b|}", indirDXr, Xb, XX, XX },
659 { "outs{R||R|}", indirDXr, Xv, XX, XX },
252b5132 660 /* 70 */
050dfa73
MM
661 { "joH", Jb, XX, cond_jump_flag, XX },
662 { "jnoH", Jb, XX, cond_jump_flag, XX },
663 { "jbH", Jb, XX, cond_jump_flag, XX },
664 { "jaeH", Jb, XX, cond_jump_flag, XX },
665 { "jeH", Jb, XX, cond_jump_flag, XX },
666 { "jneH", Jb, XX, cond_jump_flag, XX },
667 { "jbeH", Jb, XX, cond_jump_flag, XX },
668 { "jaH", Jb, XX, cond_jump_flag, XX },
252b5132 669 /* 78 */
050dfa73
MM
670 { "jsH", Jb, XX, cond_jump_flag, XX },
671 { "jnsH", Jb, XX, cond_jump_flag, XX },
672 { "jpH", Jb, XX, cond_jump_flag, XX },
673 { "jnpH", Jb, XX, cond_jump_flag, XX },
674 { "jlH", Jb, XX, cond_jump_flag, XX },
675 { "jgeH", Jb, XX, cond_jump_flag, XX },
676 { "jleH", Jb, XX, cond_jump_flag, XX },
677 { "jgH", Jb, XX, cond_jump_flag, XX },
252b5132
RH
678 /* 80 */
679 { GRP1b },
680 { GRP1S },
050dfa73 681 { "(bad)", XX, XX, XX, XX },
252b5132 682 { GRP1Ss },
050dfa73
MM
683 { "testB", Eb, Gb, XX, XX },
684 { "testS", Ev, Gv, XX, XX },
685 { "xchgB", Eb, Gb, XX, XX },
686 { "xchgS", Ev, Gv, XX, XX },
252b5132 687 /* 88 */
050dfa73
MM
688 { "movB", Eb, Gb, XX, XX },
689 { "movS", Ev, Gv, XX, XX },
690 { "movB", Gb, Eb, XX, XX },
691 { "movS", Gv, Ev, XX, XX },
692 { "movQ", Sv, Sw, XX, XX },
693 { "leaS", Gv, M, XX, XX },
694 { "movQ", Sw, Sv, XX, XX },
695 { "popU", stackEv, XX, XX, XX },
252b5132 696 /* 90 */
050dfa73
MM
697 { "xchgS", NOP_Fixup1, eAX_reg, NOP_Fixup2, eAX_reg, XX, XX },
698 { "xchgS", RMeCX, eAX, XX, XX },
699 { "xchgS", RMeDX, eAX, XX, XX },
700 { "xchgS", RMeBX, eAX, XX, XX },
701 { "xchgS", RMeSP, eAX, XX, XX },
702 { "xchgS", RMeBP, eAX, XX, XX },
703 { "xchgS", RMeSI, eAX, XX, XX },
704 { "xchgS", RMeDI, eAX, XX, XX },
252b5132 705 /* 98 */
050dfa73
MM
706 { "cW{tR||tR|}", XX, XX, XX, XX },
707 { "cR{tO||tO|}", XX, XX, XX, XX },
708 { "Jcall{T|}", Ap, XX, XX, XX },
709 { "(bad)", XX, XX, XX, XX }, /* fwait */
710 { "pushfT", XX, XX, XX, XX },
711 { "popfT", XX, XX, XX, XX },
712 { "sahf{|}", XX, XX, XX, XX },
713 { "lahf{|}", XX, XX, XX, XX },
252b5132 714 /* a0 */
050dfa73
MM
715 { "movB", AL, Ob, XX, XX },
716 { "movS", eAX, Ov, XX, XX },
717 { "movB", Ob, AL, XX, XX },
718 { "movS", Ov, eAX, XX, XX },
719 { "movs{b||b|}", Ybr, Xb, XX, XX },
720 { "movs{R||R|}", Yvr, Xv, XX, XX },
721 { "cmps{b||b|}", Xb, Yb, XX, XX },
722 { "cmps{R||R|}", Xv, Yv, XX, XX },
252b5132 723 /* a8 */
050dfa73
MM
724 { "testB", AL, Ib, XX, XX },
725 { "testS", eAX, Iv, XX, XX },
726 { "stosB", Ybr, AL, XX, XX },
727 { "stosS", Yvr, eAX, XX, XX },
728 { "lodsB", ALr, Xb, XX, XX },
729 { "lodsS", eAXr, Xv, XX, XX },
730 { "scasB", AL, Yb, XX, XX },
731 { "scasS", eAX, Yv, XX, XX },
252b5132 732 /* b0 */
050dfa73
MM
733 { "movB", RMAL, Ib, XX, XX },
734 { "movB", RMCL, Ib, XX, XX },
735 { "movB", RMDL, Ib, XX, XX },
736 { "movB", RMBL, Ib, XX, XX },
737 { "movB", RMAH, Ib, XX, XX },
738 { "movB", RMCH, Ib, XX, XX },
739 { "movB", RMDH, Ib, XX, XX },
740 { "movB", RMBH, Ib, XX, XX },
252b5132 741 /* b8 */
050dfa73
MM
742 { "movS", RMeAX, Iv64, XX, XX },
743 { "movS", RMeCX, Iv64, XX, XX },
744 { "movS", RMeDX, Iv64, XX, XX },
745 { "movS", RMeBX, Iv64, XX, XX },
746 { "movS", RMeSP, Iv64, XX, XX },
747 { "movS", RMeBP, Iv64, XX, XX },
748 { "movS", RMeSI, Iv64, XX, XX },
749 { "movS", RMeDI, Iv64, XX, XX },
252b5132
RH
750 /* c0 */
751 { GRP2b },
752 { GRP2S },
050dfa73
MM
753 { "retT", Iw, XX, XX, XX },
754 { "retT", XX, XX, XX, XX },
755 { "les{S|}", Gv, Mp, XX, XX },
756 { "ldsS", Gv, Mp, XX, XX },
a6bd098c
L
757 { GRP11_C6 },
758 { GRP11_C7 },
252b5132 759 /* c8 */
050dfa73
MM
760 { "enterT", Iw, Ib, XX, XX },
761 { "leaveT", XX, XX, XX, XX },
762 { "lretP", Iw, XX, XX, XX },
763 { "lretP", XX, XX, XX, XX },
764 { "int3", XX, XX, XX, XX },
765 { "int", Ib, XX, XX, XX },
766 { "into{|}", XX, XX, XX, XX },
767 { "iretP", XX, XX, XX, XX },
252b5132
RH
768 /* d0 */
769 { GRP2b_one },
770 { GRP2S_one },
771 { GRP2b_cl },
772 { GRP2S_cl },
050dfa73
MM
773 { "aam{|}", sIb, XX, XX, XX },
774 { "aad{|}", sIb, XX, XX, XX },
775 { "(bad)", XX, XX, XX, XX },
776 { "xlat", DSBX, XX, XX, XX },
252b5132
RH
777 /* d8 */
778 { FLOAT },
779 { FLOAT },
780 { FLOAT },
781 { FLOAT },
782 { FLOAT },
783 { FLOAT },
784 { FLOAT },
785 { FLOAT },
786 /* e0 */
050dfa73
MM
787 { "loopneFH", Jb, XX, loop_jcxz_flag, XX },
788 { "loopeFH", Jb, XX, loop_jcxz_flag, XX },
789 { "loopFH", Jb, XX, loop_jcxz_flag, XX },
790 { "jEcxzH", Jb, XX, loop_jcxz_flag, XX },
791 { "inB", AL, Ib, XX, XX },
792 { "inS", eAX, Ib, XX, XX },
793 { "outB", Ib, AL, XX, XX },
794 { "outS", Ib, eAX, XX, XX },
252b5132 795 /* e8 */
050dfa73
MM
796 { "callT", Jv, XX, XX, XX },
797 { "jmpT", Jv, XX, XX, XX },
798 { "Jjmp{T|}", Ap, XX, XX, XX },
799 { "jmp", Jb, XX, XX, XX },
800 { "inB", AL, indirDX, XX, XX },
801 { "inS", eAX, indirDX, XX, XX },
802 { "outB", indirDX, AL, XX, XX },
803 { "outS", indirDX, eAX, XX, XX },
252b5132 804 /* f0 */
050dfa73
MM
805 { "(bad)", XX, XX, XX, XX }, /* lock prefix */
806 { "icebp", XX, XX, XX, XX },
807 { "(bad)", XX, XX, XX, XX }, /* repne */
808 { "(bad)", XX, XX, XX, XX }, /* repz */
809 { "hlt", XX, XX, XX, XX },
810 { "cmc", XX, XX, XX, XX },
252b5132
RH
811 { GRP3b },
812 { GRP3S },
813 /* f8 */
050dfa73
MM
814 { "clc", XX, XX, XX, XX },
815 { "stc", XX, XX, XX, XX },
816 { "cli", XX, XX, XX, XX },
817 { "sti", XX, XX, XX, XX },
818 { "cld", XX, XX, XX, XX },
819 { "std", XX, XX, XX, XX },
252b5132
RH
820 { GRP4 },
821 { GRP5 },
822};
823
6439fc28 824static const struct dis386 dis386_twobyte[] = {
252b5132
RH
825 /* 00 */
826 { GRP6 },
827 { GRP7 },
050dfa73
MM
828 { "larS", Gv, Ew, XX, XX },
829 { "lslS", Gv, Ew, XX, XX },
830 { "(bad)", XX, XX, XX, XX },
831 { "syscall", XX, XX, XX, XX },
832 { "clts", XX, XX, XX, XX },
833 { "sysretP", XX, XX, XX, XX },
252b5132 834 /* 08 */
050dfa73
MM
835 { "invd", XX, XX, XX, XX},
836 { "wbinvd", XX, XX, XX, XX },
837 { "(bad)", XX, XX, XX, XX },
838 { "ud2a", XX, XX, XX, XX },
839 { "(bad)", XX, XX, XX, XX },
c608c12e 840 { GRPAMD },
050dfa73
MM
841 { "femms", XX, XX, XX, XX },
842 { "", MX, EM, OPSUF, XX }, /* See OP_3DNowSuffix. */
252b5132 843 /* 10 */
c608c12e
AM
844 { PREGRP8 },
845 { PREGRP9 },
ca164297 846 { PREGRP30 },
050dfa73
MM
847 { "movlpX", EX, XM, SIMD_Fixup, 'h', XX },
848 { "unpcklpX", XM, EX, XX, XX },
849 { "unpckhpX", XM, EX, XX, XX },
ca164297 850 { PREGRP31 },
050dfa73 851 { "movhpX", EX, XM, SIMD_Fixup, 'l', XX },
252b5132 852 /* 18 */
b3882df9 853 { GRP16 },
050dfa73
MM
854 { "(bad)", XX, XX, XX, XX },
855 { "(bad)", XX, XX, XX, XX },
856 { "(bad)", XX, XX, XX, XX },
857 { "(bad)", XX, XX, XX, XX },
858 { "(bad)", XX, XX, XX, XX },
859 { "(bad)", XX, XX, XX, XX },
860 { "nopQ", Ev, XX, XX, XX },
252b5132 861 /* 20 */
050dfa73
MM
862 { "movZ", Rm, Cm, XX, XX },
863 { "movZ", Rm, Dm, XX, XX },
864 { "movZ", Cm, Rm, XX, XX },
865 { "movZ", Dm, Rm, XX, XX },
866 { "movL", Rd, Td, XX, XX },
867 { "(bad)", XX, XX, XX, XX },
868 { "movL", Td, Rd, XX, XX },
869 { "(bad)", XX, XX, XX, XX },
252b5132 870 /* 28 */
050dfa73
MM
871 { "movapX", XM, EX, XX, XX },
872 { "movapX", EX, XM, XX, XX },
c608c12e 873 { PREGRP2 },
050dfa73 874 { PREGRP33 },
2da11e11 875 { PREGRP4 },
c608c12e 876 { PREGRP3 },
050dfa73
MM
877 { "ucomisX", XM,EX, XX, XX },
878 { "comisX", XM,EX, XX, XX },
252b5132 879 /* 30 */
050dfa73
MM
880 { "wrmsr", XX, XX, XX, XX },
881 { "rdtsc", XX, XX, XX, XX },
882 { "rdmsr", XX, XX, XX, XX },
883 { "rdpmc", XX, XX, XX, XX },
884 { "sysenter", XX, XX, XX, XX },
885 { "sysexit", XX, XX, XX, XX },
886 { "(bad)", XX, XX, XX, XX },
887 { "(bad)", XX, XX, XX, XX },
252b5132 888 /* 38 */
331d2d0d 889 { THREE_BYTE_0 },
050dfa73 890 { "(bad)", XX, XX, XX, XX },
331d2d0d 891 { THREE_BYTE_1 },
050dfa73
MM
892 { "(bad)", XX, XX, XX, XX },
893 { "(bad)", XX, XX, XX, XX },
894 { "(bad)", XX, XX, XX, XX },
895 { "(bad)", XX, XX, XX, XX },
896 { "(bad)", XX, XX, XX, XX },
252b5132 897 /* 40 */
050dfa73
MM
898 { "cmovo", Gv, Ev, XX, XX },
899 { "cmovno", Gv, Ev, XX, XX },
900 { "cmovb", Gv, Ev, XX, XX },
901 { "cmovae", Gv, Ev, XX, XX },
902 { "cmove", Gv, Ev, XX, XX },
903 { "cmovne", Gv, Ev, XX, XX },
904 { "cmovbe", Gv, Ev, XX, XX },
905 { "cmova", Gv, Ev, XX, XX },
252b5132 906 /* 48 */
050dfa73
MM
907 { "cmovs", Gv, Ev, XX, XX },
908 { "cmovns", Gv, Ev, XX, XX },
909 { "cmovp", Gv, Ev, XX, XX },
910 { "cmovnp", Gv, Ev, XX, XX },
911 { "cmovl", Gv, Ev, XX, XX },
912 { "cmovge", Gv, Ev, XX, XX },
913 { "cmovle", Gv, Ev, XX, XX },
914 { "cmovg", Gv, Ev, XX, XX },
252b5132 915 /* 50 */
050dfa73 916 { "movmskpX", Gdq, XS, XX, XX },
c608c12e
AM
917 { PREGRP13 },
918 { PREGRP12 },
919 { PREGRP11 },
050dfa73
MM
920 { "andpX", XM, EX, XX, XX },
921 { "andnpX", XM, EX, XX, XX },
922 { "orpX", XM, EX, XX, XX },
923 { "xorpX", XM, EX, XX, XX },
252b5132 924 /* 58 */
c608c12e
AM
925 { PREGRP0 },
926 { PREGRP10 },
041bd2e0
JH
927 { PREGRP17 },
928 { PREGRP16 },
c608c12e
AM
929 { PREGRP14 },
930 { PREGRP7 },
931 { PREGRP5 },
2da11e11 932 { PREGRP6 },
252b5132 933 /* 60 */
050dfa73
MM
934 { "punpcklbw", MX, EM, XX, XX },
935 { "punpcklwd", MX, EM, XX, XX },
936 { "punpckldq", MX, EM, XX, XX },
937 { "packsswb", MX, EM, XX, XX },
938 { "pcmpgtb", MX, EM, XX, XX },
939 { "pcmpgtw", MX, EM, XX, XX },
940 { "pcmpgtd", MX, EM, XX, XX },
941 { "packuswb", MX, EM, XX, XX },
252b5132 942 /* 68 */
050dfa73
MM
943 { "punpckhbw", MX, EM, XX, XX },
944 { "punpckhwd", MX, EM, XX, XX },
945 { "punpckhdq", MX, EM, XX, XX },
946 { "packssdw", MX, EM, XX, XX },
0f17484f 947 { PREGRP26 },
041bd2e0 948 { PREGRP24 },
050dfa73 949 { "movd", MX, Edq, XX, XX },
041bd2e0 950 { PREGRP19 },
252b5132 951 /* 70 */
041bd2e0 952 { PREGRP22 },
252b5132 953 { GRP12 },
b3882df9
L
954 { GRP13 },
955 { GRP14 },
050dfa73
MM
956 { "pcmpeqb", MX, EM, XX, XX },
957 { "pcmpeqw", MX, EM, XX, XX },
958 { "pcmpeqd", MX, EM, XX, XX },
959 { "emms", XX, XX, XX, XX },
252b5132 960 /* 78 */
050dfa73
MM
961 { PREGRP34 },
962 { PREGRP35 },
963 { "(bad)", XX, XX, XX, XX },
964 { "(bad)", XX, XX, XX, XX },
ca164297
L
965 { PREGRP28 },
966 { PREGRP29 },
041bd2e0
JH
967 { PREGRP23 },
968 { PREGRP20 },
252b5132 969 /* 80 */
050dfa73
MM
970 { "joH", Jv, XX, cond_jump_flag, XX },
971 { "jnoH", Jv, XX, cond_jump_flag, XX },
972 { "jbH", Jv, XX, cond_jump_flag, XX },
973 { "jaeH", Jv, XX, cond_jump_flag, XX },
974 { "jeH", Jv, XX, cond_jump_flag, XX },
975 { "jneH", Jv, XX, cond_jump_flag, XX },
976 { "jbeH", Jv, XX, cond_jump_flag, XX },
977 { "jaH", Jv, XX, cond_jump_flag, XX },
252b5132 978 /* 88 */
050dfa73
MM
979 { "jsH", Jv, XX, cond_jump_flag, XX },
980 { "jnsH", Jv, XX, cond_jump_flag, XX },
981 { "jpH", Jv, XX, cond_jump_flag, XX },
982 { "jnpH", Jv, XX, cond_jump_flag, XX },
983 { "jlH", Jv, XX, cond_jump_flag, XX },
984 { "jgeH", Jv, XX, cond_jump_flag, XX },
985 { "jleH", Jv, XX, cond_jump_flag, XX },
986 { "jgH", Jv, XX, cond_jump_flag, XX },
252b5132 987 /* 90 */
050dfa73
MM
988 { "seto", Eb, XX, XX, XX },
989 { "setno", Eb, XX, XX, XX },
990 { "setb", Eb, XX, XX, XX },
991 { "setae", Eb, XX, XX, XX },
992 { "sete", Eb, XX, XX, XX },
993 { "setne", Eb, XX, XX, XX },
994 { "setbe", Eb, XX, XX, XX },
995 { "seta", Eb, XX, XX, XX },
252b5132 996 /* 98 */
050dfa73
MM
997 { "sets", Eb, XX, XX, XX },
998 { "setns", Eb, XX, XX, XX },
999 { "setp", Eb, XX, XX, XX },
1000 { "setnp", Eb, XX, XX, XX },
1001 { "setl", Eb, XX, XX, XX },
1002 { "setge", Eb, XX, XX, XX },
1003 { "setle", Eb, XX, XX, XX },
1004 { "setg", Eb, XX, XX, XX },
252b5132 1005 /* a0 */
050dfa73
MM
1006 { "pushT", fs, XX, XX, XX },
1007 { "popT", fs, XX, XX, XX },
1008 { "cpuid", XX, XX, XX, XX },
1009 { "btS", Ev, Gv, XX, XX },
1010 { "shldS", Ev, Gv, Ib, XX },
1011 { "shldS", Ev, Gv, CL, XX },
30d1c836
ML
1012 { GRPPADLCK2 },
1013 { GRPPADLCK1 },
252b5132 1014 /* a8 */
050dfa73
MM
1015 { "pushT", gs, XX, XX, XX },
1016 { "popT", gs, XX, XX, XX },
1017 { "rsm", XX, XX, XX, XX },
1018 { "btsS", Ev, Gv, XX, XX },
1019 { "shrdS", Ev, Gv, Ib, XX },
1020 { "shrdS", Ev, Gv, CL, XX },
b3882df9 1021 { GRP15 },
050dfa73 1022 { "imulS", Gv, Ev, XX, XX },
252b5132 1023 /* b0 */
050dfa73
MM
1024 { "cmpxchgB", Eb, Gb, XX, XX },
1025 { "cmpxchgS", Ev, Gv, XX, XX },
1026 { "lssS", Gv, Mp, XX, XX },
1027 { "btrS", Ev, Gv, XX, XX },
1028 { "lfsS", Gv, Mp, XX, XX },
1029 { "lgsS", Gv, Mp, XX, XX },
1030 { "movz{bR|x|bR|x}", Gv, Eb, XX, XX },
1031 { "movz{wR|x|wR|x}", Gv, Ew, XX, XX }, /* yes, there really is movzww ! */
252b5132 1032 /* b8 */
7918206c 1033 { PREGRP37 },
050dfa73 1034 { "ud2b", XX, XX, XX, XX },
252b5132 1035 { GRP8 },
050dfa73
MM
1036 { "btcS", Ev, Gv, XX, XX },
1037 { "bsfS", Gv, Ev, XX, XX },
1038 { PREGRP36 },
1039 { "movs{bR|x|bR|x}", Gv, Eb, XX, XX },
1040 { "movs{wR|x|wR|x}", Gv, Ew, XX, XX }, /* yes, there really is movsww ! */
252b5132 1041 /* c0 */
050dfa73
MM
1042 { "xaddB", Eb, Gb, XX, XX },
1043 { "xaddS", Ev, Gv, XX, XX },
c608c12e 1044 { PREGRP1 },
050dfa73
MM
1045 { "movntiS", Ev, Gv, XX, XX },
1046 { "pinsrw", MX, Edqw, Ib, XX },
1047 { "pextrw", Gdq, MS, Ib, XX },
1048 { "shufpX", XM, EX, Ib, XX },
252b5132
RH
1049 { GRP9 },
1050 /* c8 */
050dfa73
MM
1051 { "bswap", RMeAX, XX, XX, XX },
1052 { "bswap", RMeCX, XX, XX, XX },
1053 { "bswap", RMeDX, XX, XX, XX },
1054 { "bswap", RMeBX, XX, XX, XX },
1055 { "bswap", RMeSP, XX, XX, XX },
1056 { "bswap", RMeBP, XX, XX, XX },
1057 { "bswap", RMeSI, XX, XX, XX },
1058 { "bswap", RMeDI, XX, XX, XX },
252b5132 1059 /* d0 */
ca164297 1060 { PREGRP27 },
050dfa73
MM
1061 { "psrlw", MX, EM, XX, XX },
1062 { "psrld", MX, EM, XX, XX },
1063 { "psrlq", MX, EM, XX, XX },
1064 { "paddq", MX, EM, XX, XX },
1065 { "pmullw", MX, EM, XX, XX },
041bd2e0 1066 { PREGRP21 },
050dfa73 1067 { "pmovmskb", Gdq, MS, XX, XX },
252b5132 1068 /* d8 */
050dfa73
MM
1069 { "psubusb", MX, EM, XX, XX },
1070 { "psubusw", MX, EM, XX, XX },
1071 { "pminub", MX, EM, XX, XX },
1072 { "pand", MX, EM, XX, XX },
1073 { "paddusb", MX, EM, XX, XX },
1074 { "paddusw", MX, EM, XX, XX },
1075 { "pmaxub", MX, EM, XX, XX },
1076 { "pandn", MX, EM, XX, XX },
252b5132 1077 /* e0 */
050dfa73
MM
1078 { "pavgb", MX, EM, XX, XX },
1079 { "psraw", MX, EM, XX, XX },
1080 { "psrad", MX, EM, XX, XX },
1081 { "pavgw", MX, EM, XX, XX },
1082 { "pmulhuw", MX, EM, XX, XX },
1083 { "pmulhw", MX, EM, XX, XX },
041bd2e0 1084 { PREGRP15 },
0f17484f 1085 { PREGRP25 },
252b5132 1086 /* e8 */
050dfa73
MM
1087 { "psubsb", MX, EM, XX, XX },
1088 { "psubsw", MX, EM, XX, XX },
1089 { "pminsw", MX, EM, XX, XX },
1090 { "por", MX, EM, XX, XX },
1091 { "paddsb", MX, EM, XX, XX },
1092 { "paddsw", MX, EM, XX, XX },
1093 { "pmaxsw", MX, EM, XX, XX },
1094 { "pxor", MX, EM, XX, XX },
252b5132 1095 /* f0 */
ca164297 1096 { PREGRP32 },
050dfa73
MM
1097 { "psllw", MX, EM, XX, XX },
1098 { "pslld", MX, EM, XX, XX },
1099 { "psllq", MX, EM, XX, XX },
1100 { "pmuludq", MX, EM, XX, XX },
1101 { "pmaddwd", MX, EM, XX, XX },
1102 { "psadbw", MX, EM, XX, XX },
041bd2e0 1103 { PREGRP18 },
252b5132 1104 /* f8 */
050dfa73
MM
1105 { "psubb", MX, EM, XX, XX },
1106 { "psubw", MX, EM, XX, XX },
1107 { "psubd", MX, EM, XX, XX },
1108 { "psubq", MX, EM, XX, XX },
1109 { "paddb", MX, EM, XX, XX },
1110 { "paddw", MX, EM, XX, XX },
1111 { "paddd", MX, EM, XX, XX },
1112 { "(bad)", XX, XX, XX, XX }
252b5132
RH
1113};
1114
1115static const unsigned char onebyte_has_modrm[256] = {
c608c12e
AM
1116 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
1117 /* ------------------------------- */
1118 /* 00 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 00 */
1119 /* 10 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 10 */
1120 /* 20 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 20 */
1121 /* 30 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 30 */
1122 /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 40 */
1123 /* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 50 */
1124 /* 60 */ 0,0,1,1,0,0,0,0,0,1,0,1,0,0,0,0, /* 60 */
1125 /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 70 */
1126 /* 80 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 80 */
1127 /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 90 */
1128 /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* a0 */
1129 /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* b0 */
1130 /* c0 */ 1,1,0,0,1,1,1,1,0,0,0,0,0,0,0,0, /* c0 */
1131 /* d0 */ 1,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1, /* d0 */
1132 /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* e0 */
1133 /* f0 */ 0,0,0,0,0,0,1,1,0,0,0,0,0,0,1,1 /* f0 */
1134 /* ------------------------------- */
1135 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
252b5132
RH
1136};
1137
1138static const unsigned char twobyte_has_modrm[256] = {
c608c12e
AM
1139 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
1140 /* ------------------------------- */
252b5132 1141 /* 00 */ 1,1,1,1,0,0,0,0,0,0,0,0,0,1,0,1, /* 0f */
15965411 1142 /* 10 */ 1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,1, /* 1f */
4bba6815 1143 /* 20 */ 1,1,1,1,1,0,1,0,1,1,1,1,1,1,1,1, /* 2f */
331d2d0d 1144 /* 30 */ 0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0, /* 3f */
252b5132 1145 /* 40 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 4f */
4bba6815
AM
1146 /* 50 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 5f */
1147 /* 60 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 6f */
90700ea2 1148 /* 70 */ 1,1,1,1,1,1,1,0,1,1,0,0,1,1,1,1, /* 7f */
252b5132
RH
1149 /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */
1150 /* 90 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 9f */
30d1c836 1151 /* a0 */ 0,0,0,1,1,1,1,1,0,0,0,1,1,1,1,1, /* af */
050dfa73 1152 /* b0 */ 1,1,1,1,1,1,1,1,1,0,1,1,1,1,1,1, /* bf */
252b5132 1153 /* c0 */ 1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0, /* cf */
ca164297 1154 /* d0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* df */
4bba6815 1155 /* e0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* ef */
ca164297 1156 /* f0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0 /* ff */
c608c12e
AM
1157 /* ------------------------------- */
1158 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
1159};
1160
041bd2e0 1161static const unsigned char twobyte_uses_SSE_prefix[256] = {
c608c12e
AM
1162 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
1163 /* ------------------------------- */
1164 /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */
ca164297 1165 /* 10 */ 1,1,1,0,0,0,1,0,0,0,0,0,0,0,0,0, /* 1f */
050dfa73 1166 /* 20 */ 0,0,0,0,0,0,0,0,0,0,1,1,1,1,0,0, /* 2f */
331d2d0d 1167 /* 30 */ 0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0, /* 3f */
c608c12e 1168 /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */
041bd2e0
JH
1169 /* 50 */ 0,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1, /* 5f */
1170 /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1, /* 6f */
050dfa73 1171 /* 70 */ 1,0,0,0,0,0,0,0,1,1,0,0,1,1,1,1, /* 7f */
c608c12e
AM
1172 /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */
1173 /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */
1174 /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */
1175 /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */
1176 /* c0 */ 0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */
ca164297 1177 /* d0 */ 1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* df */
041bd2e0 1178 /* e0 */ 0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* ef */
ca164297 1179 /* f0 */ 1,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0 /* ff */
c608c12e
AM
1180 /* ------------------------------- */
1181 /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
252b5132
RH
1182};
1183
1184static char obuf[100];
1185static char *obufp;
1186static char scratchbuf[100];
1187static unsigned char *start_codep;
1188static unsigned char *insn_codep;
1189static unsigned char *codep;
1190static disassemble_info *the_info;
1191static int mod;
1192static int rm;
1193static int reg;
4bba6815 1194static unsigned char need_modrm;
252b5132 1195
4bba6815
AM
1196/* If we are accessing mod/rm/reg without need_modrm set, then the
1197 values are stale. Hitting this abort likely indicates that you
1198 need to update onebyte_has_modrm or twobyte_has_modrm. */
1199#define MODRM_CHECK if (!need_modrm) abort ()
1200
d708bcba
AM
1201static const char **names64;
1202static const char **names32;
1203static const char **names16;
1204static const char **names8;
1205static const char **names8rex;
1206static const char **names_seg;
1207static const char **index16;
1208
1209static const char *intel_names64[] = {
1210 "rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi",
1211 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"
1212};
1213static const char *intel_names32[] = {
1214 "eax", "ecx", "edx", "ebx", "esp", "ebp", "esi", "edi",
1215 "r8d", "r9d", "r10d", "r11d", "r12d", "r13d", "r14d", "r15d"
1216};
1217static const char *intel_names16[] = {
1218 "ax", "cx", "dx", "bx", "sp", "bp", "si", "di",
1219 "r8w", "r9w", "r10w", "r11w", "r12w", "r13w", "r14w", "r15w"
1220};
1221static const char *intel_names8[] = {
1222 "al", "cl", "dl", "bl", "ah", "ch", "dh", "bh",
1223};
1224static const char *intel_names8rex[] = {
1225 "al", "cl", "dl", "bl", "spl", "bpl", "sil", "dil",
1226 "r8b", "r9b", "r10b", "r11b", "r12b", "r13b", "r14b", "r15b"
1227};
1228static const char *intel_names_seg[] = {
1229 "es", "cs", "ss", "ds", "fs", "gs", "?", "?",
1230};
1231static const char *intel_index16[] = {
1232 "bx+si", "bx+di", "bp+si", "bp+di", "si", "di", "bp", "bx"
1233};
1234
1235static const char *att_names64[] = {
1236 "%rax", "%rcx", "%rdx", "%rbx", "%rsp", "%rbp", "%rsi", "%rdi",
52b15da3
JH
1237 "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15"
1238};
d708bcba
AM
1239static const char *att_names32[] = {
1240 "%eax", "%ecx", "%edx", "%ebx", "%esp", "%ebp", "%esi", "%edi",
52b15da3 1241 "%r8d", "%r9d", "%r10d", "%r11d", "%r12d", "%r13d", "%r14d", "%r15d"
252b5132 1242};
d708bcba
AM
1243static const char *att_names16[] = {
1244 "%ax", "%cx", "%dx", "%bx", "%sp", "%bp", "%si", "%di",
52b15da3 1245 "%r8w", "%r9w", "%r10w", "%r11w", "%r12w", "%r13w", "%r14w", "%r15w"
252b5132 1246};
d708bcba
AM
1247static const char *att_names8[] = {
1248 "%al", "%cl", "%dl", "%bl", "%ah", "%ch", "%dh", "%bh",
252b5132 1249};
d708bcba
AM
1250static const char *att_names8rex[] = {
1251 "%al", "%cl", "%dl", "%bl", "%spl", "%bpl", "%sil", "%dil",
52b15da3
JH
1252 "%r8b", "%r9b", "%r10b", "%r11b", "%r12b", "%r13b", "%r14b", "%r15b"
1253};
d708bcba
AM
1254static const char *att_names_seg[] = {
1255 "%es", "%cs", "%ss", "%ds", "%fs", "%gs", "%?", "%?",
252b5132 1256};
d708bcba
AM
1257static const char *att_index16[] = {
1258 "%bx,%si", "%bx,%di", "%bp,%si", "%bp,%di", "%si", "%di", "%bp", "%bx"
252b5132
RH
1259};
1260
2da11e11 1261static const struct dis386 grps[][8] = {
252b5132
RH
1262 /* GRP1b */
1263 {
050dfa73
MM
1264 { "addA", Eb, Ib, XX, XX },
1265 { "orA", Eb, Ib, XX, XX },
1266 { "adcA", Eb, Ib, XX, XX },
1267 { "sbbA", Eb, Ib, XX, XX },
1268 { "andA", Eb, Ib, XX, XX },
1269 { "subA", Eb, Ib, XX, XX },
1270 { "xorA", Eb, Ib, XX, XX },
1271 { "cmpA", Eb, Ib, XX, XX }
252b5132
RH
1272 },
1273 /* GRP1S */
1274 {
050dfa73
MM
1275 { "addQ", Ev, Iv, XX, XX },
1276 { "orQ", Ev, Iv, XX, XX },
1277 { "adcQ", Ev, Iv, XX, XX },
1278 { "sbbQ", Ev, Iv, XX, XX },
1279 { "andQ", Ev, Iv, XX, XX },
1280 { "subQ", Ev, Iv, XX, XX },
1281 { "xorQ", Ev, Iv, XX, XX },
1282 { "cmpQ", Ev, Iv, XX, XX }
252b5132
RH
1283 },
1284 /* GRP1Ss */
1285 {
050dfa73
MM
1286 { "addQ", Ev, sIb, XX, XX },
1287 { "orQ", Ev, sIb, XX, XX },
1288 { "adcQ", Ev, sIb, XX, XX },
1289 { "sbbQ", Ev, sIb, XX, XX },
1290 { "andQ", Ev, sIb, XX, XX },
1291 { "subQ", Ev, sIb, XX, XX },
1292 { "xorQ", Ev, sIb, XX, XX },
1293 { "cmpQ", Ev, sIb, XX, XX }
252b5132
RH
1294 },
1295 /* GRP2b */
1296 {
050dfa73
MM
1297 { "rolA", Eb, Ib, XX, XX },
1298 { "rorA", Eb, Ib, XX, XX },
1299 { "rclA", Eb, Ib, XX, XX },
1300 { "rcrA", Eb, Ib, XX, XX },
1301 { "shlA", Eb, Ib, XX, XX },
1302 { "shrA", Eb, Ib, XX, XX },
1303 { "(bad)", XX, XX, XX, XX },
1304 { "sarA", Eb, Ib, XX, XX },
252b5132
RH
1305 },
1306 /* GRP2S */
1307 {
050dfa73
MM
1308 { "rolQ", Ev, Ib, XX, XX },
1309 { "rorQ", Ev, Ib, XX, XX },
1310 { "rclQ", Ev, Ib, XX, XX },
1311 { "rcrQ", Ev, Ib, XX, XX },
1312 { "shlQ", Ev, Ib, XX, XX },
1313 { "shrQ", Ev, Ib, XX, XX },
1314 { "(bad)", XX, XX, XX, XX },
1315 { "sarQ", Ev, Ib, XX, XX },
252b5132
RH
1316 },
1317 /* GRP2b_one */
1318 {
050dfa73
MM
1319 { "rolA", Eb, I1, XX, XX },
1320 { "rorA", Eb, I1, XX, XX },
1321 { "rclA", Eb, I1, XX, XX },
1322 { "rcrA", Eb, I1, XX, XX },
1323 { "shlA", Eb, I1, XX, XX },
1324 { "shrA", Eb, I1, XX, XX },
1325 { "(bad)", XX, XX, XX, XX },
1326 { "sarA", Eb, I1, XX, XX },
252b5132
RH
1327 },
1328 /* GRP2S_one */
1329 {
050dfa73
MM
1330 { "rolQ", Ev, I1, XX, XX },
1331 { "rorQ", Ev, I1, XX, XX },
1332 { "rclQ", Ev, I1, XX, XX },
1333 { "rcrQ", Ev, I1, XX, XX },
1334 { "shlQ", Ev, I1, XX, XX },
1335 { "shrQ", Ev, I1, XX, XX },
1336 { "(bad)", XX, XX, XX, XX },
1337 { "sarQ", Ev, I1, XX, XX },
252b5132
RH
1338 },
1339 /* GRP2b_cl */
1340 {
050dfa73
MM
1341 { "rolA", Eb, CL, XX, XX },
1342 { "rorA", Eb, CL, XX, XX },
1343 { "rclA", Eb, CL, XX, XX },
1344 { "rcrA", Eb, CL, XX, XX },
1345 { "shlA", Eb, CL, XX, XX },
1346 { "shrA", Eb, CL, XX, XX },
1347 { "(bad)", XX, XX, XX, XX },
1348 { "sarA", Eb, CL, XX, XX },
252b5132
RH
1349 },
1350 /* GRP2S_cl */
1351 {
050dfa73
MM
1352 { "rolQ", Ev, CL, XX, XX },
1353 { "rorQ", Ev, CL, XX, XX },
1354 { "rclQ", Ev, CL, XX, XX },
1355 { "rcrQ", Ev, CL, XX, XX },
1356 { "shlQ", Ev, CL, XX, XX },
1357 { "shrQ", Ev, CL, XX, XX },
1358 { "(bad)", XX, XX, XX, XX },
1359 { "sarQ", Ev, CL, XX, XX }
252b5132
RH
1360 },
1361 /* GRP3b */
1362 {
050dfa73
MM
1363 { "testA", Eb, Ib, XX, XX },
1364 { "(bad)", Eb, XX, XX, XX },
1365 { "notA", Eb, XX, XX, XX },
1366 { "negA", Eb, XX, XX, XX },
1367 { "mulA", Eb, XX, XX, XX }, /* Don't print the implicit %al register, */
1368 { "imulA", Eb, XX, XX, XX }, /* to distinguish these opcodes from other */
1369 { "divA", Eb, XX, XX, XX }, /* mul/imul opcodes. Do the same for div */
1370 { "idivA", Eb, XX, XX, XX } /* and idiv for consistency. */
252b5132
RH
1371 },
1372 /* GRP3S */
1373 {
050dfa73
MM
1374 { "testQ", Ev, Iv, XX, XX },
1375 { "(bad)", XX, XX, XX, XX },
1376 { "notQ", Ev, XX, XX, XX },
1377 { "negQ", Ev, XX, XX, XX },
1378 { "mulQ", Ev, XX, XX, XX }, /* Don't print the implicit register. */
1379 { "imulQ", Ev, XX, XX, XX },
1380 { "divQ", Ev, XX, XX, XX },
1381 { "idivQ", Ev, XX, XX, XX },
252b5132
RH
1382 },
1383 /* GRP4 */
1384 {
050dfa73
MM
1385 { "incA", Eb, XX, XX, XX },
1386 { "decA", Eb, XX, XX, XX },
1387 { "(bad)", XX, XX, XX, XX },
1388 { "(bad)", XX, XX, XX, XX },
1389 { "(bad)", XX, XX, XX, XX },
1390 { "(bad)", XX, XX, XX, XX },
1391 { "(bad)", XX, XX, XX, XX },
1392 { "(bad)", XX, XX, XX, XX },
252b5132
RH
1393 },
1394 /* GRP5 */
1395 {
050dfa73
MM
1396 { "incQ", Ev, XX, XX, XX },
1397 { "decQ", Ev, XX, XX, XX },
1398 { "callT", indirEv, XX, XX, XX },
1399 { "JcallT", indirEp, XX, XX, XX },
1400 { "jmpT", indirEv, XX, XX, XX },
1401 { "JjmpT", indirEp, XX, XX, XX },
1402 { "pushU", stackEv, XX, XX, XX },
1403 { "(bad)", XX, XX, XX, XX },
252b5132
RH
1404 },
1405 /* GRP6 */
1406 {
2b516b72
L
1407 { "sldt", Ev, XX, XX, XX },
1408 { "str", Ev, XX, XX, XX },
050dfa73
MM
1409 { "lldt", Ew, XX, XX, XX },
1410 { "ltr", Ew, XX, XX, XX },
1411 { "verr", Ew, XX, XX, XX },
1412 { "verw", Ew, XX, XX, XX },
1413 { "(bad)", XX, XX, XX, XX },
1414 { "(bad)", XX, XX, XX, XX }
252b5132
RH
1415 },
1416 /* GRP7 */
1417 {
050dfa73
MM
1418 { "sgdt{Q|IQ||}", VMX_Fixup, 0, XX, XX, XX },
1419 { "sidt{Q|IQ||}", PNI_Fixup, 0, XX, XX, XX },
1420 { "lgdt{Q|Q||}", M, XX, XX, XX },
1421 { "lidt{Q|Q||}", SVME_Fixup, 0, XX, XX, XX },
2b516b72 1422 { "smsw", Ev, XX, XX, XX },
050dfa73
MM
1423 { "(bad)", XX, XX, XX, XX },
1424 { "lmsw", Ew, XX, XX, XX },
1425 { "invlpg", INVLPG_Fixup, w_mode, XX, XX, XX },
252b5132
RH
1426 },
1427 /* GRP8 */
1428 {
050dfa73
MM
1429 { "(bad)", XX, XX, XX, XX },
1430 { "(bad)", XX, XX, XX, XX },
1431 { "(bad)", XX, XX, XX, XX },
1432 { "(bad)", XX, XX, XX, XX },
1433 { "btQ", Ev, Ib, XX, XX },
1434 { "btsQ", Ev, Ib, XX, XX },
1435 { "btrQ", Ev, Ib, XX, XX },
1436 { "btcQ", Ev, Ib, XX, XX },
252b5132
RH
1437 },
1438 /* GRP9 */
1439 {
050dfa73
MM
1440 { "(bad)", XX, XX, XX, XX },
1441 { "cmpxchg8b", Eq, XX, XX, XX },
1442 { "(bad)", XX, XX, XX, XX },
1443 { "(bad)", XX, XX, XX, XX },
1444 { "(bad)", XX, XX, XX, XX },
1445 { "(bad)", XX, XX, XX, XX },
1446 { "", VM, XX, XX, XX }, /* See OP_VMX. */
1447 { "vmptrst", Eq, XX, XX, XX },
252b5132 1448 },
a6bd098c
L
1449 /* GRP11_C6 */
1450 {
1451 { "movA", Eb, Ib, XX, XX },
1452 { "(bad)", XX, XX, XX, XX },
1453 { "(bad)", XX, XX, XX, XX },
1454 { "(bad)", XX, XX, XX, XX },
1455 { "(bad)", XX, XX, XX, XX },
1456 { "(bad)", XX, XX, XX, XX },
1457 { "(bad)", XX, XX, XX, XX },
1458 { "(bad)", XX, XX, XX, XX },
1459 },
1460 /* GRP11_C7 */
1461 {
1462 { "movQ", Ev, Iv, XX, XX },
1463 { "(bad)", XX, XX, XX, XX },
1464 { "(bad)", XX, XX, XX, XX },
1465 { "(bad)", XX, XX, XX, XX },
1466 { "(bad)", XX, XX, XX, XX },
1467 { "(bad)", XX, XX, XX, XX },
1468 { "(bad)", XX, XX, XX, XX },
1469 { "(bad)", XX, XX, XX, XX },
1470 },
b3882df9 1471 /* GRP12 */
252b5132 1472 {
050dfa73
MM
1473 { "(bad)", XX, XX, XX, XX },
1474 { "(bad)", XX, XX, XX, XX },
1475 { "psrlw", MS, Ib, XX, XX },
1476 { "(bad)", XX, XX, XX, XX },
1477 { "psraw", MS, Ib, XX, XX },
1478 { "(bad)", XX, XX, XX, XX },
1479 { "psllw", MS, Ib, XX, XX },
1480 { "(bad)", XX, XX, XX, XX },
252b5132 1481 },
b3882df9 1482 /* GRP13 */
252b5132 1483 {
050dfa73
MM
1484 { "(bad)", XX, XX, XX, XX },
1485 { "(bad)", XX, XX, XX, XX },
1486 { "psrld", MS, Ib, XX, XX },
1487 { "(bad)", XX, XX, XX, XX },
1488 { "psrad", MS, Ib, XX, XX },
1489 { "(bad)", XX, XX, XX, XX },
1490 { "pslld", MS, Ib, XX, XX },
1491 { "(bad)", XX, XX, XX, XX },
252b5132 1492 },
b3882df9 1493 /* GRP14 */
252b5132 1494 {
050dfa73
MM
1495 { "(bad)", XX, XX, XX, XX },
1496 { "(bad)", XX, XX, XX, XX },
1497 { "psrlq", MS, Ib, XX, XX },
1498 { "psrldq", MS, Ib, XX, XX },
1499 { "(bad)", XX, XX, XX, XX },
1500 { "(bad)", XX, XX, XX, XX },
1501 { "psllq", MS, Ib, XX, XX },
1502 { "pslldq", MS, Ib, XX, XX },
252b5132 1503 },
b3882df9 1504 /* GRP15 */
252b5132 1505 {
050dfa73
MM
1506 { "fxsave", Ev, XX, XX, XX },
1507 { "fxrstor", Ev, XX, XX, XX },
1508 { "ldmxcsr", Ev, XX, XX, XX },
1509 { "stmxcsr", Ev, XX, XX, XX },
1510 { "(bad)", XX, XX, XX, XX },
1511 { "lfence", OP_0fae, 0, XX, XX, XX },
1512 { "mfence", OP_0fae, 0, XX, XX, XX },
1513 { "clflush", OP_0fae, 0, XX, XX, XX },
c608c12e 1514 },
b3882df9 1515 /* GRP16 */
c608c12e 1516 {
050dfa73
MM
1517 { "prefetchnta", Ev, XX, XX, XX },
1518 { "prefetcht0", Ev, XX, XX, XX },
1519 { "prefetcht1", Ev, XX, XX, XX },
1520 { "prefetcht2", Ev, XX, XX, XX },
1521 { "(bad)", XX, XX, XX, XX },
1522 { "(bad)", XX, XX, XX, XX },
1523 { "(bad)", XX, XX, XX, XX },
1524 { "(bad)", XX, XX, XX, XX },
252b5132 1525 },
c608c12e 1526 /* GRPAMD */
252b5132 1527 {
050dfa73
MM
1528 { "prefetch", Eb, XX, XX, XX },
1529 { "prefetchw", Eb, XX, XX, XX },
1530 { "(bad)", XX, XX, XX, XX },
1531 { "(bad)", XX, XX, XX, XX },
1532 { "(bad)", XX, XX, XX, XX },
1533 { "(bad)", XX, XX, XX, XX },
1534 { "(bad)", XX, XX, XX, XX },
1535 { "(bad)", XX, XX, XX, XX },
0f10071e 1536 },
30d1c836 1537 /* GRPPADLCK1 */
cc0ec051 1538 {
050dfa73
MM
1539 { "xstore-rng", OP_0f07, 0, XX, XX, XX },
1540 { "xcrypt-ecb", OP_0f07, 0, XX, XX, XX },
1541 { "xcrypt-cbc", OP_0f07, 0, XX, XX, XX },
1542 { "xcrypt-ctr", OP_0f07, 0, XX, XX, XX },
1543 { "xcrypt-cfb", OP_0f07, 0, XX, XX, XX },
1544 { "xcrypt-ofb", OP_0f07, 0, XX, XX, XX },
1545 { "(bad)", OP_0f07, 0, XX, XX, XX },
1546 { "(bad)", OP_0f07, 0, XX, XX, XX },
30d1c836
ML
1547 },
1548 /* GRPPADLCK2 */
1549 {
050dfa73
MM
1550 { "montmul", OP_0f07, 0, XX, XX, XX },
1551 { "xsha1", OP_0f07, 0, XX, XX, XX },
1552 { "xsha256", OP_0f07, 0, XX, XX, XX },
1553 { "(bad)", OP_0f07, 0, XX, XX, XX },
1554 { "(bad)", OP_0f07, 0, XX, XX, XX },
1555 { "(bad)", OP_0f07, 0, XX, XX, XX },
1556 { "(bad)", OP_0f07, 0, XX, XX, XX },
1557 { "(bad)", OP_0f07, 0, XX, XX, XX },
252b5132 1558 }
252b5132
RH
1559};
1560
041bd2e0 1561static const struct dis386 prefix_user_table[][4] = {
c608c12e
AM
1562 /* PREGRP0 */
1563 {
050dfa73
MM
1564 { "addps", XM, EX, XX, XX },
1565 { "addss", XM, EX, XX, XX },
1566 { "addpd", XM, EX, XX, XX },
1567 { "addsd", XM, EX, XX, XX },
c608c12e
AM
1568 },
1569 /* PREGRP1 */
1570 {
050dfa73
MM
1571 { "", XM, EX, OPSIMD, XX }, /* See OP_SIMD_SUFFIX. */
1572 { "", XM, EX, OPSIMD, XX },
1573 { "", XM, EX, OPSIMD, XX },
1574 { "", XM, EX, OPSIMD, XX },
c608c12e
AM
1575 },
1576 /* PREGRP2 */
1577 {
4d9567e0 1578 { "cvtpi2ps", XM, EMC, XX, XX },
050dfa73 1579 { "cvtsi2ssY", XM, Ev, XX, XX },
4d9567e0 1580 { "cvtpi2pd", XM, EMC, XX, XX },
050dfa73 1581 { "cvtsi2sdY", XM, Ev, XX, XX },
c608c12e
AM
1582 },
1583 /* PREGRP3 */
1584 {
4d9567e0 1585 { "cvtps2pi", MXC, EX, XX, XX },
050dfa73 1586 { "cvtss2siY", Gv, EX, XX, XX },
4d9567e0 1587 { "cvtpd2pi", MXC, EX, XX, XX },
050dfa73 1588 { "cvtsd2siY", Gv, EX, XX, XX },
c608c12e
AM
1589 },
1590 /* PREGRP4 */
1591 {
4d9567e0 1592 { "cvttps2pi", MXC, EX, XX, XX },
050dfa73 1593 { "cvttss2siY", Gv, EX, XX, XX },
4d9567e0 1594 { "cvttpd2pi", MXC, EX, XX, XX },
050dfa73 1595 { "cvttsd2siY", Gv, EX, XX, XX },
c608c12e
AM
1596 },
1597 /* PREGRP5 */
1598 {
050dfa73
MM
1599 { "divps", XM, EX, XX, XX },
1600 { "divss", XM, EX, XX, XX },
1601 { "divpd", XM, EX, XX, XX },
1602 { "divsd", XM, EX, XX, XX },
c608c12e
AM
1603 },
1604 /* PREGRP6 */
1605 {
050dfa73
MM
1606 { "maxps", XM, EX, XX, XX },
1607 { "maxss", XM, EX, XX, XX },
1608 { "maxpd", XM, EX, XX, XX },
1609 { "maxsd", XM, EX, XX, XX },
c608c12e
AM
1610 },
1611 /* PREGRP7 */
1612 {
050dfa73
MM
1613 { "minps", XM, EX, XX, XX },
1614 { "minss", XM, EX, XX, XX },
1615 { "minpd", XM, EX, XX, XX },
1616 { "minsd", XM, EX, XX, XX },
c608c12e
AM
1617 },
1618 /* PREGRP8 */
1619 {
050dfa73
MM
1620 { "movups", XM, EX, XX, XX },
1621 { "movss", XM, EX, XX, XX },
1622 { "movupd", XM, EX, XX, XX },
1623 { "movsd", XM, EX, XX, XX },
c608c12e
AM
1624 },
1625 /* PREGRP9 */
1626 {
050dfa73
MM
1627 { "movups", EX, XM, XX, XX },
1628 { "movss", EX, XM, XX, XX },
1629 { "movupd", EX, XM, XX, XX },
1630 { "movsd", EX, XM, XX, XX },
c608c12e
AM
1631 },
1632 /* PREGRP10 */
1633 {
050dfa73
MM
1634 { "mulps", XM, EX, XX, XX },
1635 { "mulss", XM, EX, XX, XX },
1636 { "mulpd", XM, EX, XX, XX },
1637 { "mulsd", XM, EX, XX, XX },
c608c12e
AM
1638 },
1639 /* PREGRP11 */
1640 {
050dfa73
MM
1641 { "rcpps", XM, EX, XX, XX },
1642 { "rcpss", XM, EX, XX, XX },
1643 { "(bad)", XM, EX, XX, XX },
1644 { "(bad)", XM, EX, XX, XX },
c608c12e
AM
1645 },
1646 /* PREGRP12 */
1647 {
050dfa73
MM
1648 { "rsqrtps", XM, EX, XX, XX },
1649 { "rsqrtss", XM, EX, XX, XX },
1650 { "(bad)", XM, EX, XX, XX },
1651 { "(bad)", XM, EX, XX, XX },
c608c12e
AM
1652 },
1653 /* PREGRP13 */
1654 {
050dfa73
MM
1655 { "sqrtps", XM, EX, XX, XX },
1656 { "sqrtss", XM, EX, XX, XX },
1657 { "sqrtpd", XM, EX, XX, XX },
1658 { "sqrtsd", XM, EX, XX, XX },
c608c12e
AM
1659 },
1660 /* PREGRP14 */
1661 {
050dfa73
MM
1662 { "subps", XM, EX, XX, XX },
1663 { "subss", XM, EX, XX, XX },
1664 { "subpd", XM, EX, XX, XX },
1665 { "subsd", XM, EX, XX, XX },
041bd2e0
JH
1666 },
1667 /* PREGRP15 */
1668 {
050dfa73
MM
1669 { "(bad)", XM, EX, XX, XX},
1670 { "cvtdq2pd", XM, EX, XX, XX },
1671 { "cvttpd2dq", XM, EX, XX, XX },
1672 { "cvtpd2dq", XM, EX, XX, XX },
041bd2e0
JH
1673 },
1674 /* PREGRP16 */
1675 {
050dfa73
MM
1676 { "cvtdq2ps", XM, EX, XX, XX },
1677 { "cvttps2dq",XM, EX, XX, XX },
1678 { "cvtps2dq",XM, EX, XX, XX },
1679 { "(bad)", XM, EX, XX, XX },
041bd2e0
JH
1680 },
1681 /* PREGRP17 */
1682 {
050dfa73
MM
1683 { "cvtps2pd", XM, EX, XX, XX },
1684 { "cvtss2sd", XM, EX, XX, XX },
1685 { "cvtpd2ps", XM, EX, XX, XX },
1686 { "cvtsd2ss", XM, EX, XX, XX },
041bd2e0
JH
1687 },
1688 /* PREGRP18 */
1689 {
050dfa73
MM
1690 { "maskmovq", MX, MS, XX, XX },
1691 { "(bad)", XM, EX, XX, XX },
c4b5fff9 1692 { "maskmovdqu", XM, XS, XX, XX },
050dfa73 1693 { "(bad)", XM, EX, XX, XX },
041bd2e0
JH
1694 },
1695 /* PREGRP19 */
1696 {
050dfa73
MM
1697 { "movq", MX, EM, XX, XX },
1698 { "movdqu", XM, EX, XX, XX },
1699 { "movdqa", XM, EX, XX, XX },
1700 { "(bad)", XM, EX, XX, XX },
041bd2e0
JH
1701 },
1702 /* PREGRP20 */
1703 {
050dfa73
MM
1704 { "movq", EM, MX, XX, XX },
1705 { "movdqu", EX, XM, XX, XX },
1706 { "movdqa", EX, XM, XX, XX },
1707 { "(bad)", EX, XM, XX, XX },
041bd2e0
JH
1708 },
1709 /* PREGRP21 */
1710 {
050dfa73
MM
1711 { "(bad)", EX, XM, XX, XX },
1712 { "movq2dq", XM, MS, XX, XX },
1713 { "movq", EX, XM, XX, XX },
1714 { "movdq2q", MX, XS, XX, XX },
041bd2e0
JH
1715 },
1716 /* PREGRP22 */
1717 {
050dfa73
MM
1718 { "pshufw", MX, EM, Ib, XX },
1719 { "pshufhw", XM, EX, Ib, XX },
1720 { "pshufd", XM, EX, Ib, XX },
1721 { "pshuflw", XM, EX, Ib, XX},
041bd2e0
JH
1722 },
1723 /* PREGRP23 */
1724 {
050dfa73
MM
1725 { "movd", Edq, MX, XX, XX },
1726 { "movq", XM, EX, XX, XX },
1727 { "movd", Edq, XM, XX, XX },
1728 { "(bad)", Ed, XM, XX, XX },
041bd2e0
JH
1729 },
1730 /* PREGRP24 */
1731 {
050dfa73
MM
1732 { "(bad)", MX, EX, XX, XX },
1733 { "(bad)", XM, EX, XX, XX },
1734 { "punpckhqdq", XM, EX, XX, XX },
1735 { "(bad)", XM, EX, XX, XX },
0f17484f
AM
1736 },
1737 /* PREGRP25 */
1738 {
050dfa73
MM
1739 { "movntq", EM, MX, XX, XX },
1740 { "(bad)", EM, XM, XX, XX },
1741 { "movntdq", EM, XM, XX, XX },
1742 { "(bad)", EM, XM, XX, XX },
0f17484f
AM
1743 },
1744 /* PREGRP26 */
1745 {
050dfa73
MM
1746 { "(bad)", MX, EX, XX, XX },
1747 { "(bad)", XM, EX, XX, XX },
1748 { "punpcklqdq", XM, EX, XX, XX },
1749 { "(bad)", XM, EX, XX, XX },
041bd2e0 1750 },
ca164297
L
1751 /* PREGRP27 */
1752 {
050dfa73
MM
1753 { "(bad)", MX, EX, XX, XX },
1754 { "(bad)", XM, EX, XX, XX },
1755 { "addsubpd", XM, EX, XX, XX },
1756 { "addsubps", XM, EX, XX, XX },
ca164297
L
1757 },
1758 /* PREGRP28 */
1759 {
050dfa73
MM
1760 { "(bad)", MX, EX, XX, XX },
1761 { "(bad)", XM, EX, XX, XX },
1762 { "haddpd", XM, EX, XX, XX },
1763 { "haddps", XM, EX, XX, XX },
ca164297
L
1764 },
1765 /* PREGRP29 */
1766 {
050dfa73
MM
1767 { "(bad)", MX, EX, XX, XX },
1768 { "(bad)", XM, EX, XX, XX },
1769 { "hsubpd", XM, EX, XX, XX },
1770 { "hsubps", XM, EX, XX, XX },
ca164297
L
1771 },
1772 /* PREGRP30 */
1773 {
050dfa73
MM
1774 { "movlpX", XM, EX, SIMD_Fixup, 'h', XX }, /* really only 2 operands */
1775 { "movsldup", XM, EX, XX, XX },
1776 { "movlpd", XM, EX, XX, XX },
1777 { "movddup", XM, EX, XX, XX },
ca164297
L
1778 },
1779 /* PREGRP31 */
1780 {
050dfa73
MM
1781 { "movhpX", XM, EX, SIMD_Fixup, 'l', XX },
1782 { "movshdup", XM, EX, XX, XX },
1783 { "movhpd", XM, EX, XX, XX },
1784 { "(bad)", XM, EX, XX, XX },
ca164297
L
1785 },
1786 /* PREGRP32 */
1787 {
050dfa73
MM
1788 { "(bad)", XM, EX, XX, XX },
1789 { "(bad)", XM, EX, XX, XX },
1790 { "(bad)", XM, EX, XX, XX },
1791 { "lddqu", XM, M, XX, XX },
ca164297 1792 },
050dfa73
MM
1793 /* PREGRP33 */
1794 {
1795 {"movntps",Ev, XM, XX, XX},
1796 {"movntss",Ev, XM, XX, XX},
1797 {"movntpd",Ev, XM, XX, XX},
1798 {"movntsd",Ev, XM, XX, XX},
1799 },
1800
1801 /* PREGRP34 */
1802 {
1803 {"vmread", Em, Gm, XX, XX},
1804 {"(bad)", XX, XX, XX, XX},
1805 {"extrq", XS, Ib, Ib, XX},
1806 {"insertq",XM, XS, Ib, Ib},
1807 },
1808
1809 /* PREGRP35 */
1810 {
1811 {"vmwrite", Gm, Em, XX, XX},
1812 {"(bad)", XX, XX, XX, XX},
1813 {"extrq", XM, XS, XX, XX},
1814 {"insertq", XM, XS, XX, XX},
1815 },
1816
1817 /* PREGRP36 */
1818 {
1819 { "bsrS", Gv, Ev, XX, XX },
1820 { "lzcntS", Gv, Ev, XX, XX },
1821 { "bsrS", Gv, Ev, XX, XX },
1822 { "(bad)", XX, XX, XX, XX },
1823 },
1824
7918206c
MM
1825 /* PREGRP37 */
1826 {
1827 { "(bad)", XX, XX, XX, XX },
1828 { "popcntS",Gv, Ev, XX, XX },
1829 { "(bad)", XX, XX, XX, XX },
1830 { "(bad)", XX, XX, XX, XX },
1831 },
c608c12e
AM
1832};
1833
6439fc28
AM
1834static const struct dis386 x86_64_table[][2] = {
1835 {
050dfa73
MM
1836 { "arpl", Ew, Gw, XX, XX },
1837 { "movs{||lq|xd}", Gv, Ed, XX, XX },
6439fc28
AM
1838 },
1839};
1840
96fbad73 1841static const struct dis386 three_byte_table[][256] = {
331d2d0d
L
1842 /* THREE_BYTE_0 */
1843 {
96fbad73 1844 /* 00 */
050dfa73
MM
1845 { "pshufb", MX, EM, XX, XX },
1846 { "phaddw", MX, EM, XX, XX },
1847 { "phaddd", MX, EM, XX, XX },
1848 { "phaddsw", MX, EM, XX, XX },
1849 { "pmaddubsw", MX, EM, XX, XX },
1850 { "phsubw", MX, EM, XX, XX },
1851 { "phsubd", MX, EM, XX, XX },
1852 { "phsubsw", MX, EM, XX, XX },
96fbad73 1853 /* 08 */
050dfa73
MM
1854 { "psignb", MX, EM, XX, XX },
1855 { "psignw", MX, EM, XX, XX },
1856 { "psignd", MX, EM, XX, XX },
1857 { "pmulhrsw", MX, EM, XX, XX },
1858 { "(bad)", XX, XX, XX, XX },
1859 { "(bad)", XX, XX, XX, XX },
1860 { "(bad)", XX, XX, XX, XX },
1861 { "(bad)", XX, XX, XX, XX },
96fbad73 1862 /* 10 */
050dfa73
MM
1863 { "(bad)", XX, XX, XX, XX },
1864 { "(bad)", XX, XX, XX, XX },
1865 { "(bad)", XX, XX, XX, XX },
1866 { "(bad)", XX, XX, XX, XX },
1867 { "(bad)", XX, XX, XX, XX },
1868 { "(bad)", XX, XX, XX, XX },
1869 { "(bad)", XX, XX, XX, XX },
1870 { "(bad)", XX, XX, XX, XX },
96fbad73 1871 /* 18 */
050dfa73
MM
1872 { "(bad)", XX, XX, XX, XX },
1873 { "(bad)", XX, XX, XX, XX },
1874 { "(bad)", XX, XX, XX, XX },
1875 { "(bad)", XX, XX, XX, XX },
1876 { "pabsb", MX, EM, XX, XX },
1877 { "pabsw", MX, EM, XX, XX },
1878 { "pabsd", MX, EM, XX, XX },
96fbad73
L
1879 { "(bad)", XX, XX, XX, XX },
1880 /* 20 */
1881 { "(bad)", XX, XX, XX, XX },
1882 { "(bad)", XX, XX, XX, XX },
1883 { "(bad)", XX, XX, XX, XX },
1884 { "(bad)", XX, XX, XX, XX },
1885 { "(bad)", XX, XX, XX, XX },
1886 { "(bad)", XX, XX, XX, XX },
1887 { "(bad)", XX, XX, XX, XX },
1888 { "(bad)", XX, XX, XX, XX },
1889 /* 28 */
1890 { "(bad)", XX, XX, XX, XX },
1891 { "(bad)", XX, XX, XX, XX },
1892 { "(bad)", XX, XX, XX, XX },
1893 { "(bad)", XX, XX, XX, XX },
1894 { "(bad)", XX, XX, XX, XX },
1895 { "(bad)", XX, XX, XX, XX },
1896 { "(bad)", XX, XX, XX, XX },
1897 { "(bad)", XX, XX, XX, XX },
1898 /* 30 */
1899 { "(bad)", XX, XX, XX, XX },
1900 { "(bad)", XX, XX, XX, XX },
1901 { "(bad)", XX, XX, XX, XX },
1902 { "(bad)", XX, XX, XX, XX },
1903 { "(bad)", XX, XX, XX, XX },
1904 { "(bad)", XX, XX, XX, XX },
1905 { "(bad)", XX, XX, XX, XX },
1906 { "(bad)", XX, XX, XX, XX },
1907 /* 38 */
1908 { "(bad)", XX, XX, XX, XX },
1909 { "(bad)", XX, XX, XX, XX },
1910 { "(bad)", XX, XX, XX, XX },
1911 { "(bad)", XX, XX, XX, XX },
1912 { "(bad)", XX, XX, XX, XX },
1913 { "(bad)", XX, XX, XX, XX },
1914 { "(bad)", XX, XX, XX, XX },
1915 { "(bad)", XX, XX, XX, XX },
1916 /* 40 */
1917 { "(bad)", XX, XX, XX, XX },
1918 { "(bad)", XX, XX, XX, XX },
1919 { "(bad)", XX, XX, XX, XX },
1920 { "(bad)", XX, XX, XX, XX },
1921 { "(bad)", XX, XX, XX, XX },
1922 { "(bad)", XX, XX, XX, XX },
1923 { "(bad)", XX, XX, XX, XX },
1924 { "(bad)", XX, XX, XX, XX },
1925 /* 48 */
1926 { "(bad)", XX, XX, XX, XX },
1927 { "(bad)", XX, XX, XX, XX },
1928 { "(bad)", XX, XX, XX, XX },
1929 { "(bad)", XX, XX, XX, XX },
1930 { "(bad)", XX, XX, XX, XX },
1931 { "(bad)", XX, XX, XX, XX },
1932 { "(bad)", XX, XX, XX, XX },
1933 { "(bad)", XX, XX, XX, XX },
1934 /* 50 */
1935 { "(bad)", XX, XX, XX, XX },
1936 { "(bad)", XX, XX, XX, XX },
1937 { "(bad)", XX, XX, XX, XX },
1938 { "(bad)", XX, XX, XX, XX },
1939 { "(bad)", XX, XX, XX, XX },
1940 { "(bad)", XX, XX, XX, XX },
1941 { "(bad)", XX, XX, XX, XX },
1942 { "(bad)", XX, XX, XX, XX },
1943 /* 58 */
1944 { "(bad)", XX, XX, XX, XX },
1945 { "(bad)", XX, XX, XX, XX },
1946 { "(bad)", XX, XX, XX, XX },
1947 { "(bad)", XX, XX, XX, XX },
1948 { "(bad)", XX, XX, XX, XX },
1949 { "(bad)", XX, XX, XX, XX },
1950 { "(bad)", XX, XX, XX, XX },
1951 { "(bad)", XX, XX, XX, XX },
1952 /* 60 */
1953 { "(bad)", XX, XX, XX, XX },
1954 { "(bad)", XX, XX, XX, XX },
1955 { "(bad)", XX, XX, XX, XX },
1956 { "(bad)", XX, XX, XX, XX },
1957 { "(bad)", XX, XX, XX, XX },
1958 { "(bad)", XX, XX, XX, XX },
1959 { "(bad)", XX, XX, XX, XX },
1960 { "(bad)", XX, XX, XX, XX },
1961 /* 68 */
1962 { "(bad)", XX, XX, XX, XX },
1963 { "(bad)", XX, XX, XX, XX },
1964 { "(bad)", XX, XX, XX, XX },
1965 { "(bad)", XX, XX, XX, XX },
1966 { "(bad)", XX, XX, XX, XX },
1967 { "(bad)", XX, XX, XX, XX },
1968 { "(bad)", XX, XX, XX, XX },
1969 { "(bad)", XX, XX, XX, XX },
1970 /* 70 */
1971 { "(bad)", XX, XX, XX, XX },
1972 { "(bad)", XX, XX, XX, XX },
1973 { "(bad)", XX, XX, XX, XX },
1974 { "(bad)", XX, XX, XX, XX },
1975 { "(bad)", XX, XX, XX, XX },
1976 { "(bad)", XX, XX, XX, XX },
1977 { "(bad)", XX, XX, XX, XX },
1978 { "(bad)", XX, XX, XX, XX },
1979 /* 78 */
1980 { "(bad)", XX, XX, XX, XX },
1981 { "(bad)", XX, XX, XX, XX },
1982 { "(bad)", XX, XX, XX, XX },
1983 { "(bad)", XX, XX, XX, XX },
1984 { "(bad)", XX, XX, XX, XX },
1985 { "(bad)", XX, XX, XX, XX },
1986 { "(bad)", XX, XX, XX, XX },
1987 { "(bad)", XX, XX, XX, XX },
1988 /* 80 */
1989 { "(bad)", XX, XX, XX, XX },
1990 { "(bad)", XX, XX, XX, XX },
1991 { "(bad)", XX, XX, XX, XX },
1992 { "(bad)", XX, XX, XX, XX },
1993 { "(bad)", XX, XX, XX, XX },
1994 { "(bad)", XX, XX, XX, XX },
1995 { "(bad)", XX, XX, XX, XX },
1996 { "(bad)", XX, XX, XX, XX },
1997 /* 88 */
1998 { "(bad)", XX, XX, XX, XX },
1999 { "(bad)", XX, XX, XX, XX },
2000 { "(bad)", XX, XX, XX, XX },
2001 { "(bad)", XX, XX, XX, XX },
2002 { "(bad)", XX, XX, XX, XX },
2003 { "(bad)", XX, XX, XX, XX },
2004 { "(bad)", XX, XX, XX, XX },
2005 { "(bad)", XX, XX, XX, XX },
2006 /* 90 */
2007 { "(bad)", XX, XX, XX, XX },
2008 { "(bad)", XX, XX, XX, XX },
2009 { "(bad)", XX, XX, XX, XX },
2010 { "(bad)", XX, XX, XX, XX },
2011 { "(bad)", XX, XX, XX, XX },
2012 { "(bad)", XX, XX, XX, XX },
2013 { "(bad)", XX, XX, XX, XX },
2014 { "(bad)", XX, XX, XX, XX },
2015 /* 98 */
2016 { "(bad)", XX, XX, XX, XX },
2017 { "(bad)", XX, XX, XX, XX },
2018 { "(bad)", XX, XX, XX, XX },
2019 { "(bad)", XX, XX, XX, XX },
2020 { "(bad)", XX, XX, XX, XX },
2021 { "(bad)", XX, XX, XX, XX },
2022 { "(bad)", XX, XX, XX, XX },
2023 { "(bad)", XX, XX, XX, XX },
2024 /* a0 */
2025 { "(bad)", XX, XX, XX, XX },
2026 { "(bad)", XX, XX, XX, XX },
2027 { "(bad)", XX, XX, XX, XX },
2028 { "(bad)", XX, XX, XX, XX },
2029 { "(bad)", XX, XX, XX, XX },
2030 { "(bad)", XX, XX, XX, XX },
2031 { "(bad)", XX, XX, XX, XX },
2032 { "(bad)", XX, XX, XX, XX },
2033 /* a8 */
2034 { "(bad)", XX, XX, XX, XX },
2035 { "(bad)", XX, XX, XX, XX },
2036 { "(bad)", XX, XX, XX, XX },
2037 { "(bad)", XX, XX, XX, XX },
2038 { "(bad)", XX, XX, XX, XX },
2039 { "(bad)", XX, XX, XX, XX },
2040 { "(bad)", XX, XX, XX, XX },
2041 { "(bad)", XX, XX, XX, XX },
2042 /* b0 */
2043 { "(bad)", XX, XX, XX, XX },
2044 { "(bad)", XX, XX, XX, XX },
2045 { "(bad)", XX, XX, XX, XX },
2046 { "(bad)", XX, XX, XX, XX },
2047 { "(bad)", XX, XX, XX, XX },
2048 { "(bad)", XX, XX, XX, XX },
2049 { "(bad)", XX, XX, XX, XX },
2050 { "(bad)", XX, XX, XX, XX },
2051 /* b8 */
2052 { "(bad)", XX, XX, XX, XX },
2053 { "(bad)", XX, XX, XX, XX },
2054 { "(bad)", XX, XX, XX, XX },
2055 { "(bad)", XX, XX, XX, XX },
2056 { "(bad)", XX, XX, XX, XX },
2057 { "(bad)", XX, XX, XX, XX },
2058 { "(bad)", XX, XX, XX, XX },
2059 { "(bad)", XX, XX, XX, XX },
2060 /* c0 */
2061 { "(bad)", XX, XX, XX, XX },
2062 { "(bad)", XX, XX, XX, XX },
2063 { "(bad)", XX, XX, XX, XX },
2064 { "(bad)", XX, XX, XX, XX },
2065 { "(bad)", XX, XX, XX, XX },
2066 { "(bad)", XX, XX, XX, XX },
2067 { "(bad)", XX, XX, XX, XX },
2068 { "(bad)", XX, XX, XX, XX },
2069 /* c8 */
2070 { "(bad)", XX, XX, XX, XX },
2071 { "(bad)", XX, XX, XX, XX },
2072 { "(bad)", XX, XX, XX, XX },
2073 { "(bad)", XX, XX, XX, XX },
2074 { "(bad)", XX, XX, XX, XX },
2075 { "(bad)", XX, XX, XX, XX },
2076 { "(bad)", XX, XX, XX, XX },
2077 { "(bad)", XX, XX, XX, XX },
2078 /* d0 */
2079 { "(bad)", XX, XX, XX, XX },
2080 { "(bad)", XX, XX, XX, XX },
2081 { "(bad)", XX, XX, XX, XX },
2082 { "(bad)", XX, XX, XX, XX },
2083 { "(bad)", XX, XX, XX, XX },
2084 { "(bad)", XX, XX, XX, XX },
2085 { "(bad)", XX, XX, XX, XX },
2086 { "(bad)", XX, XX, XX, XX },
2087 /* d8 */
2088 { "(bad)", XX, XX, XX, XX },
2089 { "(bad)", XX, XX, XX, XX },
2090 { "(bad)", XX, XX, XX, XX },
2091 { "(bad)", XX, XX, XX, XX },
2092 { "(bad)", XX, XX, XX, XX },
2093 { "(bad)", XX, XX, XX, XX },
2094 { "(bad)", XX, XX, XX, XX },
2095 { "(bad)", XX, XX, XX, XX },
2096 /* e0 */
2097 { "(bad)", XX, XX, XX, XX },
2098 { "(bad)", XX, XX, XX, XX },
2099 { "(bad)", XX, XX, XX, XX },
2100 { "(bad)", XX, XX, XX, XX },
2101 { "(bad)", XX, XX, XX, XX },
2102 { "(bad)", XX, XX, XX, XX },
2103 { "(bad)", XX, XX, XX, XX },
2104 { "(bad)", XX, XX, XX, XX },
2105 /* e8 */
2106 { "(bad)", XX, XX, XX, XX },
2107 { "(bad)", XX, XX, XX, XX },
2108 { "(bad)", XX, XX, XX, XX },
2109 { "(bad)", XX, XX, XX, XX },
2110 { "(bad)", XX, XX, XX, XX },
2111 { "(bad)", XX, XX, XX, XX },
2112 { "(bad)", XX, XX, XX, XX },
2113 { "(bad)", XX, XX, XX, XX },
2114 /* f0 */
2115 { "(bad)", XX, XX, XX, XX },
2116 { "(bad)", XX, XX, XX, XX },
2117 { "(bad)", XX, XX, XX, XX },
2118 { "(bad)", XX, XX, XX, XX },
2119 { "(bad)", XX, XX, XX, XX },
2120 { "(bad)", XX, XX, XX, XX },
2121 { "(bad)", XX, XX, XX, XX },
2122 { "(bad)", XX, XX, XX, XX },
2123 /* f8 */
2124 { "(bad)", XX, XX, XX, XX },
2125 { "(bad)", XX, XX, XX, XX },
2126 { "(bad)", XX, XX, XX, XX },
2127 { "(bad)", XX, XX, XX, XX },
2128 { "(bad)", XX, XX, XX, XX },
2129 { "(bad)", XX, XX, XX, XX },
2130 { "(bad)", XX, XX, XX, XX },
050dfa73 2131 { "(bad)", XX, XX, XX, XX }
331d2d0d
L
2132 },
2133 /* THREE_BYTE_1 */
2134 {
96fbad73 2135 /* 00 */
050dfa73
MM
2136 { "(bad)", XX, XX, XX, XX },
2137 { "(bad)", XX, XX, XX, XX },
2138 { "(bad)", XX, XX, XX, XX },
2139 { "(bad)", XX, XX, XX, XX },
2140 { "(bad)", XX, XX, XX, XX },
2141 { "(bad)", XX, XX, XX, XX },
2142 { "(bad)", XX, XX, XX, XX },
2143 { "(bad)", XX, XX, XX, XX },
96fbad73 2144 /* 08 */
050dfa73
MM
2145 { "(bad)", XX, XX, XX, XX },
2146 { "(bad)", XX, XX, XX, XX },
2147 { "(bad)", XX, XX, XX, XX },
2148 { "(bad)", XX, XX, XX, XX },
2149 { "(bad)", XX, XX, XX, XX },
2150 { "(bad)", XX, XX, XX, XX },
2151 { "(bad)", XX, XX, XX, XX },
2152 { "palignr", MX, EM, Ib, XX },
96fbad73
L
2153 /* 10 */
2154 { "(bad)", XX, XX, XX, XX },
2155 { "(bad)", XX, XX, XX, XX },
2156 { "(bad)", XX, XX, XX, XX },
2157 { "(bad)", XX, XX, XX, XX },
2158 { "(bad)", XX, XX, XX, XX },
2159 { "(bad)", XX, XX, XX, XX },
2160 { "(bad)", XX, XX, XX, XX },
2161 { "(bad)", XX, XX, XX, XX },
2162 /* 18 */
2163 { "(bad)", XX, XX, XX, XX },
2164 { "(bad)", XX, XX, XX, XX },
2165 { "(bad)", XX, XX, XX, XX },
2166 { "(bad)", XX, XX, XX, XX },
2167 { "(bad)", XX, XX, XX, XX },
2168 { "(bad)", XX, XX, XX, XX },
2169 { "(bad)", XX, XX, XX, XX },
2170 { "(bad)", XX, XX, XX, XX },
2171 /* 20 */
2172 { "(bad)", XX, XX, XX, XX },
2173 { "(bad)", XX, XX, XX, XX },
2174 { "(bad)", XX, XX, XX, XX },
2175 { "(bad)", XX, XX, XX, XX },
2176 { "(bad)", XX, XX, XX, XX },
2177 { "(bad)", XX, XX, XX, XX },
2178 { "(bad)", XX, XX, XX, XX },
2179 { "(bad)", XX, XX, XX, XX },
2180 /* 28 */
2181 { "(bad)", XX, XX, XX, XX },
2182 { "(bad)", XX, XX, XX, XX },
2183 { "(bad)", XX, XX, XX, XX },
2184 { "(bad)", XX, XX, XX, XX },
2185 { "(bad)", XX, XX, XX, XX },
2186 { "(bad)", XX, XX, XX, XX },
2187 { "(bad)", XX, XX, XX, XX },
2188 { "(bad)", XX, XX, XX, XX },
2189 /* 30 */
2190 { "(bad)", XX, XX, XX, XX },
2191 { "(bad)", XX, XX, XX, XX },
2192 { "(bad)", XX, XX, XX, XX },
2193 { "(bad)", XX, XX, XX, XX },
2194 { "(bad)", XX, XX, XX, XX },
2195 { "(bad)", XX, XX, XX, XX },
2196 { "(bad)", XX, XX, XX, XX },
2197 { "(bad)", XX, XX, XX, XX },
2198 /* 38 */
2199 { "(bad)", XX, XX, XX, XX },
2200 { "(bad)", XX, XX, XX, XX },
2201 { "(bad)", XX, XX, XX, XX },
2202 { "(bad)", XX, XX, XX, XX },
2203 { "(bad)", XX, XX, XX, XX },
2204 { "(bad)", XX, XX, XX, XX },
2205 { "(bad)", XX, XX, XX, XX },
2206 { "(bad)", XX, XX, XX, XX },
2207 /* 40 */
2208 { "(bad)", XX, XX, XX, XX },
2209 { "(bad)", XX, XX, XX, XX },
2210 { "(bad)", XX, XX, XX, XX },
2211 { "(bad)", XX, XX, XX, XX },
2212 { "(bad)", XX, XX, XX, XX },
2213 { "(bad)", XX, XX, XX, XX },
2214 { "(bad)", XX, XX, XX, XX },
2215 { "(bad)", XX, XX, XX, XX },
2216 /* 48 */
2217 { "(bad)", XX, XX, XX, XX },
2218 { "(bad)", XX, XX, XX, XX },
2219 { "(bad)", XX, XX, XX, XX },
2220 { "(bad)", XX, XX, XX, XX },
2221 { "(bad)", XX, XX, XX, XX },
2222 { "(bad)", XX, XX, XX, XX },
2223 { "(bad)", XX, XX, XX, XX },
2224 { "(bad)", XX, XX, XX, XX },
2225 /* 50 */
2226 { "(bad)", XX, XX, XX, XX },
2227 { "(bad)", XX, XX, XX, XX },
2228 { "(bad)", XX, XX, XX, XX },
2229 { "(bad)", XX, XX, XX, XX },
2230 { "(bad)", XX, XX, XX, XX },
2231 { "(bad)", XX, XX, XX, XX },
2232 { "(bad)", XX, XX, XX, XX },
2233 { "(bad)", XX, XX, XX, XX },
2234 /* 58 */
2235 { "(bad)", XX, XX, XX, XX },
2236 { "(bad)", XX, XX, XX, XX },
2237 { "(bad)", XX, XX, XX, XX },
2238 { "(bad)", XX, XX, XX, XX },
2239 { "(bad)", XX, XX, XX, XX },
2240 { "(bad)", XX, XX, XX, XX },
2241 { "(bad)", XX, XX, XX, XX },
2242 { "(bad)", XX, XX, XX, XX },
2243 /* 60 */
2244 { "(bad)", XX, XX, XX, XX },
2245 { "(bad)", XX, XX, XX, XX },
2246 { "(bad)", XX, XX, XX, XX },
2247 { "(bad)", XX, XX, XX, XX },
2248 { "(bad)", XX, XX, XX, XX },
2249 { "(bad)", XX, XX, XX, XX },
2250 { "(bad)", XX, XX, XX, XX },
2251 { "(bad)", XX, XX, XX, XX },
2252 /* 68 */
2253 { "(bad)", XX, XX, XX, XX },
2254 { "(bad)", XX, XX, XX, XX },
2255 { "(bad)", XX, XX, XX, XX },
2256 { "(bad)", XX, XX, XX, XX },
2257 { "(bad)", XX, XX, XX, XX },
2258 { "(bad)", XX, XX, XX, XX },
2259 { "(bad)", XX, XX, XX, XX },
2260 { "(bad)", XX, XX, XX, XX },
2261 /* 70 */
2262 { "(bad)", XX, XX, XX, XX },
2263 { "(bad)", XX, XX, XX, XX },
2264 { "(bad)", XX, XX, XX, XX },
2265 { "(bad)", XX, XX, XX, XX },
2266 { "(bad)", XX, XX, XX, XX },
2267 { "(bad)", XX, XX, XX, XX },
2268 { "(bad)", XX, XX, XX, XX },
2269 { "(bad)", XX, XX, XX, XX },
2270 /* 78 */
2271 { "(bad)", XX, XX, XX, XX },
2272 { "(bad)", XX, XX, XX, XX },
2273 { "(bad)", XX, XX, XX, XX },
2274 { "(bad)", XX, XX, XX, XX },
2275 { "(bad)", XX, XX, XX, XX },
2276 { "(bad)", XX, XX, XX, XX },
2277 { "(bad)", XX, XX, XX, XX },
2278 { "(bad)", XX, XX, XX, XX },
2279 /* 80 */
2280 { "(bad)", XX, XX, XX, XX },
2281 { "(bad)", XX, XX, XX, XX },
2282 { "(bad)", XX, XX, XX, XX },
2283 { "(bad)", XX, XX, XX, XX },
2284 { "(bad)", XX, XX, XX, XX },
2285 { "(bad)", XX, XX, XX, XX },
2286 { "(bad)", XX, XX, XX, XX },
2287 { "(bad)", XX, XX, XX, XX },
2288 /* 88 */
2289 { "(bad)", XX, XX, XX, XX },
2290 { "(bad)", XX, XX, XX, XX },
2291 { "(bad)", XX, XX, XX, XX },
2292 { "(bad)", XX, XX, XX, XX },
2293 { "(bad)", XX, XX, XX, XX },
2294 { "(bad)", XX, XX, XX, XX },
2295 { "(bad)", XX, XX, XX, XX },
2296 { "(bad)", XX, XX, XX, XX },
2297 /* 90 */
2298 { "(bad)", XX, XX, XX, XX },
2299 { "(bad)", XX, XX, XX, XX },
2300 { "(bad)", XX, XX, XX, XX },
2301 { "(bad)", XX, XX, XX, XX },
2302 { "(bad)", XX, XX, XX, XX },
2303 { "(bad)", XX, XX, XX, XX },
2304 { "(bad)", XX, XX, XX, XX },
2305 { "(bad)", XX, XX, XX, XX },
2306 /* 98 */
2307 { "(bad)", XX, XX, XX, XX },
2308 { "(bad)", XX, XX, XX, XX },
2309 { "(bad)", XX, XX, XX, XX },
2310 { "(bad)", XX, XX, XX, XX },
2311 { "(bad)", XX, XX, XX, XX },
2312 { "(bad)", XX, XX, XX, XX },
2313 { "(bad)", XX, XX, XX, XX },
2314 { "(bad)", XX, XX, XX, XX },
2315 /* a0 */
2316 { "(bad)", XX, XX, XX, XX },
2317 { "(bad)", XX, XX, XX, XX },
2318 { "(bad)", XX, XX, XX, XX },
2319 { "(bad)", XX, XX, XX, XX },
2320 { "(bad)", XX, XX, XX, XX },
2321 { "(bad)", XX, XX, XX, XX },
2322 { "(bad)", XX, XX, XX, XX },
2323 { "(bad)", XX, XX, XX, XX },
2324 /* a8 */
2325 { "(bad)", XX, XX, XX, XX },
2326 { "(bad)", XX, XX, XX, XX },
2327 { "(bad)", XX, XX, XX, XX },
2328 { "(bad)", XX, XX, XX, XX },
2329 { "(bad)", XX, XX, XX, XX },
2330 { "(bad)", XX, XX, XX, XX },
2331 { "(bad)", XX, XX, XX, XX },
2332 { "(bad)", XX, XX, XX, XX },
2333 /* b0 */
2334 { "(bad)", XX, XX, XX, XX },
2335 { "(bad)", XX, XX, XX, XX },
2336 { "(bad)", XX, XX, XX, XX },
2337 { "(bad)", XX, XX, XX, XX },
2338 { "(bad)", XX, XX, XX, XX },
2339 { "(bad)", XX, XX, XX, XX },
2340 { "(bad)", XX, XX, XX, XX },
2341 { "(bad)", XX, XX, XX, XX },
2342 /* b8 */
2343 { "(bad)", XX, XX, XX, XX },
2344 { "(bad)", XX, XX, XX, XX },
2345 { "(bad)", XX, XX, XX, XX },
2346 { "(bad)", XX, XX, XX, XX },
2347 { "(bad)", XX, XX, XX, XX },
2348 { "(bad)", XX, XX, XX, XX },
2349 { "(bad)", XX, XX, XX, XX },
2350 { "(bad)", XX, XX, XX, XX },
2351 /* c0 */
2352 { "(bad)", XX, XX, XX, XX },
2353 { "(bad)", XX, XX, XX, XX },
2354 { "(bad)", XX, XX, XX, XX },
2355 { "(bad)", XX, XX, XX, XX },
2356 { "(bad)", XX, XX, XX, XX },
2357 { "(bad)", XX, XX, XX, XX },
2358 { "(bad)", XX, XX, XX, XX },
2359 { "(bad)", XX, XX, XX, XX },
2360 /* c8 */
2361 { "(bad)", XX, XX, XX, XX },
2362 { "(bad)", XX, XX, XX, XX },
2363 { "(bad)", XX, XX, XX, XX },
2364 { "(bad)", XX, XX, XX, XX },
2365 { "(bad)", XX, XX, XX, XX },
2366 { "(bad)", XX, XX, XX, XX },
2367 { "(bad)", XX, XX, XX, XX },
2368 { "(bad)", XX, XX, XX, XX },
2369 /* d0 */
2370 { "(bad)", XX, XX, XX, XX },
2371 { "(bad)", XX, XX, XX, XX },
2372 { "(bad)", XX, XX, XX, XX },
2373 { "(bad)", XX, XX, XX, XX },
2374 { "(bad)", XX, XX, XX, XX },
2375 { "(bad)", XX, XX, XX, XX },
2376 { "(bad)", XX, XX, XX, XX },
2377 { "(bad)", XX, XX, XX, XX },
2378 /* d8 */
2379 { "(bad)", XX, XX, XX, XX },
2380 { "(bad)", XX, XX, XX, XX },
2381 { "(bad)", XX, XX, XX, XX },
2382 { "(bad)", XX, XX, XX, XX },
2383 { "(bad)", XX, XX, XX, XX },
2384 { "(bad)", XX, XX, XX, XX },
2385 { "(bad)", XX, XX, XX, XX },
2386 { "(bad)", XX, XX, XX, XX },
2387 /* e0 */
2388 { "(bad)", XX, XX, XX, XX },
2389 { "(bad)", XX, XX, XX, XX },
2390 { "(bad)", XX, XX, XX, XX },
2391 { "(bad)", XX, XX, XX, XX },
2392 { "(bad)", XX, XX, XX, XX },
2393 { "(bad)", XX, XX, XX, XX },
2394 { "(bad)", XX, XX, XX, XX },
2395 { "(bad)", XX, XX, XX, XX },
2396 /* e8 */
2397 { "(bad)", XX, XX, XX, XX },
2398 { "(bad)", XX, XX, XX, XX },
2399 { "(bad)", XX, XX, XX, XX },
2400 { "(bad)", XX, XX, XX, XX },
2401 { "(bad)", XX, XX, XX, XX },
2402 { "(bad)", XX, XX, XX, XX },
2403 { "(bad)", XX, XX, XX, XX },
2404 { "(bad)", XX, XX, XX, XX },
2405 /* f0 */
050dfa73
MM
2406 { "(bad)", XX, XX, XX, XX },
2407 { "(bad)", XX, XX, XX, XX },
2408 { "(bad)", XX, XX, XX, XX },
2409 { "(bad)", XX, XX, XX, XX },
2410 { "(bad)", XX, XX, XX, XX },
2411 { "(bad)", XX, XX, XX, XX },
2412 { "(bad)", XX, XX, XX, XX },
2413 { "(bad)", XX, XX, XX, XX },
96fbad73 2414 /* f8 */
050dfa73
MM
2415 { "(bad)", XX, XX, XX, XX },
2416 { "(bad)", XX, XX, XX, XX },
2417 { "(bad)", XX, XX, XX, XX },
2418 { "(bad)", XX, XX, XX, XX },
2419 { "(bad)", XX, XX, XX, XX },
2420 { "(bad)", XX, XX, XX, XX },
2421 { "(bad)", XX, XX, XX, XX },
2422 { "(bad)", XX, XX, XX, XX }
331d2d0d
L
2423 },
2424};
2425
c608c12e
AM
2426#define INTERNAL_DISASSEMBLER_ERROR _("<internal disassembler error>")
2427
252b5132 2428static void
26ca5450 2429ckprefix (void)
252b5132 2430{
52b15da3
JH
2431 int newrex;
2432 rex = 0;
252b5132 2433 prefixes = 0;
7d421014 2434 used_prefixes = 0;
52b15da3 2435 rex_used = 0;
252b5132
RH
2436 while (1)
2437 {
2438 FETCH_DATA (the_info, codep + 1);
52b15da3 2439 newrex = 0;
252b5132
RH
2440 switch (*codep)
2441 {
52b15da3
JH
2442 /* REX prefixes family. */
2443 case 0x40:
2444 case 0x41:
2445 case 0x42:
2446 case 0x43:
2447 case 0x44:
2448 case 0x45:
2449 case 0x46:
2450 case 0x47:
2451 case 0x48:
2452 case 0x49:
2453 case 0x4a:
2454 case 0x4b:
2455 case 0x4c:
2456 case 0x4d:
2457 case 0x4e:
2458 case 0x4f:
cb712a9e 2459 if (address_mode == mode_64bit)
52b15da3
JH
2460 newrex = *codep;
2461 else
2462 return;
2463 break;
252b5132
RH
2464 case 0xf3:
2465 prefixes |= PREFIX_REPZ;
2466 break;
2467 case 0xf2:
2468 prefixes |= PREFIX_REPNZ;
2469 break;
2470 case 0xf0:
2471 prefixes |= PREFIX_LOCK;
2472 break;
2473 case 0x2e:
2474 prefixes |= PREFIX_CS;
2475 break;
2476 case 0x36:
2477 prefixes |= PREFIX_SS;
2478 break;
2479 case 0x3e:
2480 prefixes |= PREFIX_DS;
2481 break;
2482 case 0x26:
2483 prefixes |= PREFIX_ES;
2484 break;
2485 case 0x64:
2486 prefixes |= PREFIX_FS;
2487 break;
2488 case 0x65:
2489 prefixes |= PREFIX_GS;
2490 break;
2491 case 0x66:
2492 prefixes |= PREFIX_DATA;
2493 break;
2494 case 0x67:
2495 prefixes |= PREFIX_ADDR;
2496 break;
5076851f 2497 case FWAIT_OPCODE:
252b5132
RH
2498 /* fwait is really an instruction. If there are prefixes
2499 before the fwait, they belong to the fwait, *not* to the
2500 following instruction. */
3e7d61b2 2501 if (prefixes || rex)
252b5132
RH
2502 {
2503 prefixes |= PREFIX_FWAIT;
2504 codep++;
2505 return;
2506 }
2507 prefixes = PREFIX_FWAIT;
2508 break;
2509 default:
2510 return;
2511 }
52b15da3
JH
2512 /* Rex is ignored when followed by another prefix. */
2513 if (rex)
2514 {
3e7d61b2
AM
2515 rex_used = rex;
2516 return;
52b15da3
JH
2517 }
2518 rex = newrex;
252b5132
RH
2519 codep++;
2520 }
2521}
2522
7d421014
ILT
2523/* Return the name of the prefix byte PREF, or NULL if PREF is not a
2524 prefix byte. */
2525
2526static const char *
26ca5450 2527prefix_name (int pref, int sizeflag)
7d421014
ILT
2528{
2529 switch (pref)
2530 {
52b15da3
JH
2531 /* REX prefixes family. */
2532 case 0x40:
2533 return "rex";
2534 case 0x41:
2535 return "rexZ";
2536 case 0x42:
2537 return "rexY";
2538 case 0x43:
2539 return "rexYZ";
2540 case 0x44:
2541 return "rexX";
2542 case 0x45:
2543 return "rexXZ";
2544 case 0x46:
2545 return "rexXY";
2546 case 0x47:
2547 return "rexXYZ";
2548 case 0x48:
2549 return "rex64";
2550 case 0x49:
2551 return "rex64Z";
2552 case 0x4a:
2553 return "rex64Y";
2554 case 0x4b:
2555 return "rex64YZ";
2556 case 0x4c:
2557 return "rex64X";
2558 case 0x4d:
2559 return "rex64XZ";
2560 case 0x4e:
2561 return "rex64XY";
2562 case 0x4f:
2563 return "rex64XYZ";
7d421014
ILT
2564 case 0xf3:
2565 return "repz";
2566 case 0xf2:
2567 return "repnz";
2568 case 0xf0:
2569 return "lock";
2570 case 0x2e:
2571 return "cs";
2572 case 0x36:
2573 return "ss";
2574 case 0x3e:
2575 return "ds";
2576 case 0x26:
2577 return "es";
2578 case 0x64:
2579 return "fs";
2580 case 0x65:
2581 return "gs";
2582 case 0x66:
2583 return (sizeflag & DFLAG) ? "data16" : "data32";
2584 case 0x67:
cb712a9e 2585 if (address_mode == mode_64bit)
db6eb5be 2586 return (sizeflag & AFLAG) ? "addr32" : "addr64";
c1a64871 2587 else
2888cb7a 2588 return (sizeflag & AFLAG) ? "addr16" : "addr32";
7d421014
ILT
2589 case FWAIT_OPCODE:
2590 return "fwait";
2591 default:
2592 return NULL;
2593 }
2594}
2595
050dfa73
MM
2596static char op1out[100], op2out[100], op3out[100], op4out[100];
2597static int op_ad, op_index[4];
1d9f512f 2598static int two_source_ops;
050dfa73
MM
2599static bfd_vma op_address[4];
2600static bfd_vma op_riprel[4];
52b15da3 2601static bfd_vma start_pc;
252b5132
RH
2602\f
2603/*
2604 * On the 386's of 1988, the maximum length of an instruction is 15 bytes.
2605 * (see topic "Redundant prefixes" in the "Differences from 8086"
2606 * section of the "Virtual 8086 Mode" chapter.)
2607 * 'pc' should be the address of this instruction, it will
2608 * be used to print the target address if this is a relative jump or call
2609 * The function returns the length of this instruction in bytes.
2610 */
2611
252b5132
RH
2612static char intel_syntax;
2613static char open_char;
2614static char close_char;
2615static char separator_char;
2616static char scale_char;
2617
e396998b
AM
2618/* Here for backwards compatibility. When gdb stops using
2619 print_insn_i386_att and print_insn_i386_intel these functions can
2620 disappear, and print_insn_i386 be merged into print_insn. */
252b5132 2621int
26ca5450 2622print_insn_i386_att (bfd_vma pc, disassemble_info *info)
252b5132
RH
2623{
2624 intel_syntax = 0;
e396998b
AM
2625
2626 return print_insn (pc, info);
252b5132
RH
2627}
2628
2629int
26ca5450 2630print_insn_i386_intel (bfd_vma pc, disassemble_info *info)
252b5132
RH
2631{
2632 intel_syntax = 1;
e396998b
AM
2633
2634 return print_insn (pc, info);
252b5132
RH
2635}
2636
e396998b 2637int
26ca5450 2638print_insn_i386 (bfd_vma pc, disassemble_info *info)
e396998b
AM
2639{
2640 intel_syntax = -1;
2641
2642 return print_insn (pc, info);
2643}
2644
2645static int
26ca5450 2646print_insn (bfd_vma pc, disassemble_info *info)
252b5132 2647{
2da11e11 2648 const struct dis386 *dp;
252b5132 2649 int i;
050dfa73 2650 char *first, *second, *third, *fourth;
252b5132 2651 int needcomma;
c4a530c5 2652 unsigned char uses_SSE_prefix, uses_LOCK_prefix;
e396998b
AM
2653 int sizeflag;
2654 const char *p;
252b5132 2655 struct dis_private priv;
252b5132 2656
cb712a9e
L
2657 if (info->mach == bfd_mach_x86_64_intel_syntax
2658 || info->mach == bfd_mach_x86_64)
2659 address_mode = mode_64bit;
2660 else
2661 address_mode = mode_32bit;
52b15da3 2662
8373f971 2663 if (intel_syntax == (char) -1)
e396998b
AM
2664 intel_syntax = (info->mach == bfd_mach_i386_i386_intel_syntax
2665 || info->mach == bfd_mach_x86_64_intel_syntax);
2666
2da11e11 2667 if (info->mach == bfd_mach_i386_i386
52b15da3
JH
2668 || info->mach == bfd_mach_x86_64
2669 || info->mach == bfd_mach_i386_i386_intel_syntax
2670 || info->mach == bfd_mach_x86_64_intel_syntax)
e396998b 2671 priv.orig_sizeflag = AFLAG | DFLAG;
2da11e11 2672 else if (info->mach == bfd_mach_i386_i8086)
e396998b 2673 priv.orig_sizeflag = 0;
2da11e11
AM
2674 else
2675 abort ();
e396998b
AM
2676
2677 for (p = info->disassembler_options; p != NULL; )
2678 {
0112cd26 2679 if (CONST_STRNEQ (p, "x86-64"))
e396998b 2680 {
cb712a9e 2681 address_mode = mode_64bit;
e396998b
AM
2682 priv.orig_sizeflag = AFLAG | DFLAG;
2683 }
0112cd26 2684 else if (CONST_STRNEQ (p, "i386"))
e396998b 2685 {
cb712a9e 2686 address_mode = mode_32bit;
e396998b
AM
2687 priv.orig_sizeflag = AFLAG | DFLAG;
2688 }
0112cd26 2689 else if (CONST_STRNEQ (p, "i8086"))
e396998b 2690 {
cb712a9e 2691 address_mode = mode_16bit;
e396998b
AM
2692 priv.orig_sizeflag = 0;
2693 }
0112cd26 2694 else if (CONST_STRNEQ (p, "intel"))
e396998b
AM
2695 {
2696 intel_syntax = 1;
2697 }
0112cd26 2698 else if (CONST_STRNEQ (p, "att"))
e396998b
AM
2699 {
2700 intel_syntax = 0;
2701 }
0112cd26 2702 else if (CONST_STRNEQ (p, "addr"))
e396998b
AM
2703 {
2704 if (p[4] == '1' && p[5] == '6')
2705 priv.orig_sizeflag &= ~AFLAG;
2706 else if (p[4] == '3' && p[5] == '2')
2707 priv.orig_sizeflag |= AFLAG;
2708 }
0112cd26 2709 else if (CONST_STRNEQ (p, "data"))
e396998b
AM
2710 {
2711 if (p[4] == '1' && p[5] == '6')
2712 priv.orig_sizeflag &= ~DFLAG;
2713 else if (p[4] == '3' && p[5] == '2')
2714 priv.orig_sizeflag |= DFLAG;
2715 }
0112cd26 2716 else if (CONST_STRNEQ (p, "suffix"))
e396998b
AM
2717 priv.orig_sizeflag |= SUFFIX_ALWAYS;
2718
2719 p = strchr (p, ',');
2720 if (p != NULL)
2721 p++;
2722 }
2723
2724 if (intel_syntax)
2725 {
2726 names64 = intel_names64;
2727 names32 = intel_names32;
2728 names16 = intel_names16;
2729 names8 = intel_names8;
2730 names8rex = intel_names8rex;
2731 names_seg = intel_names_seg;
2732 index16 = intel_index16;
2733 open_char = '[';
2734 close_char = ']';
2735 separator_char = '+';
2736 scale_char = '*';
2737 }
2738 else
2739 {
2740 names64 = att_names64;
2741 names32 = att_names32;
2742 names16 = att_names16;
2743 names8 = att_names8;
2744 names8rex = att_names8rex;
2745 names_seg = att_names_seg;
2746 index16 = att_index16;
2747 open_char = '(';
2748 close_char = ')';
2749 separator_char = ',';
2750 scale_char = ',';
2751 }
2da11e11 2752
4fe53c98 2753 /* The output looks better if we put 7 bytes on a line, since that
c608c12e 2754 puts most long word instructions on a single line. */
4fe53c98 2755 info->bytes_per_line = 7;
252b5132 2756
26ca5450 2757 info->private_data = &priv;
252b5132
RH
2758 priv.max_fetched = priv.the_buffer;
2759 priv.insn_start = pc;
252b5132
RH
2760
2761 obuf[0] = 0;
2762 op1out[0] = 0;
2763 op2out[0] = 0;
2764 op3out[0] = 0;
050dfa73 2765 op4out[0] = 0;
252b5132 2766
050dfa73 2767 op_index[0] = op_index[1] = op_index[2] = op_index[3] = -1;
252b5132
RH
2768
2769 the_info = info;
2770 start_pc = pc;
e396998b
AM
2771 start_codep = priv.the_buffer;
2772 codep = priv.the_buffer;
252b5132 2773
5076851f
ILT
2774 if (setjmp (priv.bailout) != 0)
2775 {
7d421014
ILT
2776 const char *name;
2777
5076851f 2778 /* Getting here means we tried for data but didn't get it. That
e396998b
AM
2779 means we have an incomplete instruction of some sort. Just
2780 print the first byte as a prefix or a .byte pseudo-op. */
2781 if (codep > priv.the_buffer)
5076851f 2782 {
e396998b 2783 name = prefix_name (priv.the_buffer[0], priv.orig_sizeflag);
7d421014
ILT
2784 if (name != NULL)
2785 (*info->fprintf_func) (info->stream, "%s", name);
2786 else
5076851f 2787 {
7d421014
ILT
2788 /* Just print the first byte as a .byte instruction. */
2789 (*info->fprintf_func) (info->stream, ".byte 0x%x",
e396998b 2790 (unsigned int) priv.the_buffer[0]);
5076851f 2791 }
5076851f 2792
7d421014 2793 return 1;
5076851f
ILT
2794 }
2795
2796 return -1;
2797 }
2798
52b15da3 2799 obufp = obuf;
252b5132
RH
2800 ckprefix ();
2801
2802 insn_codep = codep;
e396998b 2803 sizeflag = priv.orig_sizeflag;
252b5132
RH
2804
2805 FETCH_DATA (info, codep + 1);
2806 two_source_ops = (*codep == 0x62) || (*codep == 0xc8);
2807
3e7d61b2
AM
2808 if (((prefixes & PREFIX_FWAIT)
2809 && ((*codep < 0xd8) || (*codep > 0xdf)))
2810 || (rex && rex_used))
252b5132 2811 {
7d421014
ILT
2812 const char *name;
2813
3e7d61b2
AM
2814 /* fwait not followed by floating point instruction, or rex followed
2815 by other prefixes. Print the first prefix. */
e396998b 2816 name = prefix_name (priv.the_buffer[0], priv.orig_sizeflag);
7d421014
ILT
2817 if (name == NULL)
2818 name = INTERNAL_DISASSEMBLER_ERROR;
2819 (*info->fprintf_func) (info->stream, "%s", name);
2820 return 1;
252b5132
RH
2821 }
2822
252b5132
RH
2823 if (*codep == 0x0f)
2824 {
2825 FETCH_DATA (info, codep + 2);
6439fc28 2826 dp = &dis386_twobyte[*++codep];
252b5132 2827 need_modrm = twobyte_has_modrm[*codep];
041bd2e0 2828 uses_SSE_prefix = twobyte_uses_SSE_prefix[*codep];
c4a530c5 2829 uses_LOCK_prefix = (*codep & ~0x02) == 0x20;
252b5132
RH
2830 }
2831 else
2832 {
6439fc28 2833 dp = &dis386[*codep];
252b5132 2834 need_modrm = onebyte_has_modrm[*codep];
041bd2e0 2835 uses_SSE_prefix = 0;
c4a530c5 2836 uses_LOCK_prefix = 0;
252b5132 2837 }
050dfa73 2838
7918206c
MM
2839 /*"lzcnt"=0xBD and "popcnt"=0xB8 are the only two non-sse
2840 instruction which uses F3 in the opcode without any "rep(z|nz)"*/
2841 if (!uses_SSE_prefix && (prefixes & PREFIX_REPZ) && *codep != 0xBD && *codep != 0xB8)
7d421014
ILT
2842 {
2843 oappend ("repz ");
2844 used_prefixes |= PREFIX_REPZ;
2845 }
7918206c 2846 if (!uses_SSE_prefix && (prefixes & PREFIX_REPNZ) && *codep != 0xBD && *codep != 0xB8)
7d421014
ILT
2847 {
2848 oappend ("repnz ");
2849 used_prefixes |= PREFIX_REPNZ;
2850 }
050dfa73
MM
2851
2852 codep++;
2853
c4a530c5 2854 if (!uses_LOCK_prefix && (prefixes & PREFIX_LOCK))
7d421014
ILT
2855 {
2856 oappend ("lock ");
2857 used_prefixes |= PREFIX_LOCK;
2858 }
c608c12e 2859
c608c12e
AM
2860 if (prefixes & PREFIX_ADDR)
2861 {
2862 sizeflag ^= AFLAG;
6439fc28 2863 if (dp->bytemode3 != loop_jcxz_mode || intel_syntax)
3ffd33cf 2864 {
cb712a9e 2865 if ((sizeflag & AFLAG) || address_mode == mode_64bit)
3ffd33cf
AM
2866 oappend ("addr32 ");
2867 else
2868 oappend ("addr16 ");
2869 used_prefixes |= PREFIX_ADDR;
2870 }
2871 }
2872
2873 if (!uses_SSE_prefix && (prefixes & PREFIX_DATA))
2874 {
2875 sizeflag ^= DFLAG;
6439fc28
AM
2876 if (dp->bytemode3 == cond_jump_mode
2877 && dp->bytemode1 == v_mode
2878 && !intel_syntax)
3ffd33cf
AM
2879 {
2880 if (sizeflag & DFLAG)
2881 oappend ("data32 ");
2882 else
2883 oappend ("data16 ");
2884 used_prefixes |= PREFIX_DATA;
2885 }
2886 }
2887
331d2d0d
L
2888 if (dp->name == NULL && dp->bytemode1 == IS_3BYTE_OPCODE)
2889 {
2890 FETCH_DATA (info, codep + 2);
2891 dp = &three_byte_table[dp->bytemode2][*codep++];
2892 mod = (*codep >> 6) & 3;
2893 reg = (*codep >> 3) & 7;
2894 rm = *codep & 7;
2895 }
2896 else if (need_modrm)
252b5132
RH
2897 {
2898 FETCH_DATA (info, codep + 1);
2899 mod = (*codep >> 6) & 3;
2900 reg = (*codep >> 3) & 7;
2901 rm = *codep & 7;
2902 }
2903
2904 if (dp->name == NULL && dp->bytemode1 == FLOATCODE)
2905 {
2906 dofloat (sizeflag);
2907 }
2908 else
2909 {
041bd2e0 2910 int index;
252b5132 2911 if (dp->name == NULL)
c608c12e 2912 {
6439fc28 2913 switch (dp->bytemode1)
c608c12e 2914 {
6439fc28
AM
2915 case USE_GROUPS:
2916 dp = &grps[dp->bytemode2][reg];
2917 break;
2918
2919 case USE_PREFIX_USER_TABLE:
2920 index = 0;
2921 used_prefixes |= (prefixes & PREFIX_REPZ);
2922 if (prefixes & PREFIX_REPZ)
2923 index = 1;
2924 else
2925 {
2926 used_prefixes |= (prefixes & PREFIX_DATA);
2927 if (prefixes & PREFIX_DATA)
2928 index = 2;
2929 else
2930 {
2931 used_prefixes |= (prefixes & PREFIX_REPNZ);
2932 if (prefixes & PREFIX_REPNZ)
2933 index = 3;
2934 }
2935 }
2936 dp = &prefix_user_table[dp->bytemode2][index];
2937 break;
252b5132 2938
6439fc28 2939 case X86_64_SPECIAL:
cb712a9e
L
2940 index = address_mode == mode_64bit ? 1 : 0;
2941 dp = &x86_64_table[dp->bytemode2][index];
6439fc28 2942 break;
252b5132 2943
6439fc28
AM
2944 default:
2945 oappend (INTERNAL_DISASSEMBLER_ERROR);
2946 break;
2947 }
2948 }
252b5132 2949
6439fc28
AM
2950 if (putop (dp->name, sizeflag) == 0)
2951 {
2952 obufp = op1out;
050dfa73 2953 op_ad = 3;
6439fc28 2954 if (dp->op1)
6608db57 2955 (*dp->op1) (dp->bytemode1, sizeflag);
6439fc28
AM
2956
2957 obufp = op2out;
050dfa73 2958 op_ad = 2;
6439fc28 2959 if (dp->op2)
6608db57 2960 (*dp->op2) (dp->bytemode2, sizeflag);
6439fc28
AM
2961
2962 obufp = op3out;
050dfa73 2963 op_ad = 1;
6439fc28 2964 if (dp->op3)
6608db57 2965 (*dp->op3) (dp->bytemode3, sizeflag);
050dfa73
MM
2966
2967 obufp = op4out;
2968 op_ad = 0;
2969 if (dp->op4)
2970 (*dp->op4) (dp->bytemode4, sizeflag);
6439fc28 2971 }
252b5132
RH
2972 }
2973
7d421014
ILT
2974 /* See if any prefixes were not used. If so, print the first one
2975 separately. If we don't do this, we'll wind up printing an
2976 instruction stream which does not precisely correspond to the
2977 bytes we are disassembling. */
2978 if ((prefixes & ~used_prefixes) != 0)
2979 {
2980 const char *name;
2981
e396998b 2982 name = prefix_name (priv.the_buffer[0], priv.orig_sizeflag);
7d421014
ILT
2983 if (name == NULL)
2984 name = INTERNAL_DISASSEMBLER_ERROR;
2985 (*info->fprintf_func) (info->stream, "%s", name);
2986 return 1;
2987 }
52b15da3
JH
2988 if (rex & ~rex_used)
2989 {
2990 const char *name;
e396998b 2991 name = prefix_name (rex | 0x40, priv.orig_sizeflag);
52b15da3
JH
2992 if (name == NULL)
2993 name = INTERNAL_DISASSEMBLER_ERROR;
2994 (*info->fprintf_func) (info->stream, "%s ", name);
2995 }
7d421014 2996
252b5132
RH
2997 obufp = obuf + strlen (obuf);
2998 for (i = strlen (obuf); i < 6; i++)
2999 oappend (" ");
3000 oappend (" ");
3001 (*info->fprintf_func) (info->stream, "%s", obuf);
3002
3003 /* The enter and bound instructions are printed with operands in the same
3004 order as the intel book; everything else is printed in reverse order. */
2da11e11 3005 if (intel_syntax || two_source_ops)
252b5132
RH
3006 {
3007 first = op1out;
3008 second = op2out;
3009 third = op3out;
050dfa73 3010 fourth = op4out;
252b5132 3011 op_ad = op_index[0];
050dfa73
MM
3012 op_index[0] = op_index[3];
3013 op_index[3] = op_ad;
3014 op_ad = op_index[1];
3015 op_index[1] = op_index[2];
252b5132 3016 op_index[2] = op_ad;
050dfa73 3017
252b5132
RH
3018 }
3019 else
3020 {
050dfa73
MM
3021 first = op4out;
3022 second = op3out;
3023 third = op2out;
3024 fourth = op1out;
252b5132
RH
3025 }
3026 needcomma = 0;
3027 if (*first)
3028 {
52b15da3 3029 if (op_index[0] != -1 && !op_riprel[0])
252b5132
RH
3030 (*info->print_address_func) ((bfd_vma) op_address[op_index[0]], info);
3031 else
3032 (*info->fprintf_func) (info->stream, "%s", first);
3033 needcomma = 1;
3034 }
050dfa73 3035
252b5132
RH
3036 if (*second)
3037 {
3038 if (needcomma)
3039 (*info->fprintf_func) (info->stream, ",");
52b15da3 3040 if (op_index[1] != -1 && !op_riprel[1])
252b5132
RH
3041 (*info->print_address_func) ((bfd_vma) op_address[op_index[1]], info);
3042 else
3043 (*info->fprintf_func) (info->stream, "%s", second);
3044 needcomma = 1;
3045 }
050dfa73 3046
252b5132
RH
3047 if (*third)
3048 {
3049 if (needcomma)
3050 (*info->fprintf_func) (info->stream, ",");
52b15da3 3051 if (op_index[2] != -1 && !op_riprel[2])
252b5132
RH
3052 (*info->print_address_func) ((bfd_vma) op_address[op_index[2]], info);
3053 else
3054 (*info->fprintf_func) (info->stream, "%s", third);
050dfa73
MM
3055 needcomma = 1;
3056 }
3057
3058 if (*fourth)
3059 {
3060 if (needcomma)
3061 (*info->fprintf_func) (info->stream, ",");
3062 if (op_index[3] != -1 && !op_riprel[3])
3063 (*info->print_address_func) ((bfd_vma) op_address[op_index[3]], info);
3064 else
3065 (*info->fprintf_func) (info->stream, "%s", fourth);
252b5132 3066 }
050dfa73
MM
3067
3068 for (i = 0; i < 4; i++)
52b15da3
JH
3069 if (op_index[i] != -1 && op_riprel[i])
3070 {
3071 (*info->fprintf_func) (info->stream, " # ");
3072 (*info->print_address_func) ((bfd_vma) (start_pc + codep - start_codep
3073 + op_address[op_index[i]]), info);
3074 }
e396998b 3075 return codep - priv.the_buffer;
252b5132
RH
3076}
3077
6439fc28 3078static const char *float_mem[] = {
252b5132 3079 /* d8 */
6439fc28
AM
3080 "fadd{s||s|}",
3081 "fmul{s||s|}",
3082 "fcom{s||s|}",
3083 "fcomp{s||s|}",
3084 "fsub{s||s|}",
3085 "fsubr{s||s|}",
3086 "fdiv{s||s|}",
3087 "fdivr{s||s|}",
db6eb5be 3088 /* d9 */
6439fc28 3089 "fld{s||s|}",
252b5132 3090 "(bad)",
6439fc28
AM
3091 "fst{s||s|}",
3092 "fstp{s||s|}",
9306ca4a 3093 "fldenvIC",
252b5132 3094 "fldcw",
9306ca4a 3095 "fNstenvIC",
252b5132
RH
3096 "fNstcw",
3097 /* da */
6439fc28
AM
3098 "fiadd{l||l|}",
3099 "fimul{l||l|}",
3100 "ficom{l||l|}",
3101 "ficomp{l||l|}",
3102 "fisub{l||l|}",
3103 "fisubr{l||l|}",
3104 "fidiv{l||l|}",
3105 "fidivr{l||l|}",
252b5132 3106 /* db */
6439fc28 3107 "fild{l||l|}",
ca164297 3108 "fisttp{l||l|}",
6439fc28
AM
3109 "fist{l||l|}",
3110 "fistp{l||l|}",
252b5132 3111 "(bad)",
6439fc28 3112 "fld{t||t|}",
252b5132 3113 "(bad)",
6439fc28 3114 "fstp{t||t|}",
252b5132 3115 /* dc */
6439fc28
AM
3116 "fadd{l||l|}",
3117 "fmul{l||l|}",
3118 "fcom{l||l|}",
3119 "fcomp{l||l|}",
3120 "fsub{l||l|}",
3121 "fsubr{l||l|}",
3122 "fdiv{l||l|}",
3123 "fdivr{l||l|}",
252b5132 3124 /* dd */
6439fc28 3125 "fld{l||l|}",
1d9f512f 3126 "fisttp{ll||ll|}",
6439fc28
AM
3127 "fst{l||l|}",
3128 "fstp{l||l|}",
9306ca4a 3129 "frstorIC",
252b5132 3130 "(bad)",
9306ca4a 3131 "fNsaveIC",
252b5132
RH
3132 "fNstsw",
3133 /* de */
3134 "fiadd",
3135 "fimul",
3136 "ficom",
3137 "ficomp",
3138 "fisub",
3139 "fisubr",
3140 "fidiv",
3141 "fidivr",
3142 /* df */
3143 "fild",
ca164297 3144 "fisttp",
252b5132
RH
3145 "fist",
3146 "fistp",
3147 "fbld",
6439fc28 3148 "fild{ll||ll|}",
252b5132 3149 "fbstp",
1d9f512f
AM
3150 "fistp{ll||ll|}",
3151};
3152
3153static const unsigned char float_mem_mode[] = {
3154 /* d8 */
3155 d_mode,
3156 d_mode,
3157 d_mode,
3158 d_mode,
3159 d_mode,
3160 d_mode,
3161 d_mode,
3162 d_mode,
3163 /* d9 */
3164 d_mode,
3165 0,
3166 d_mode,
3167 d_mode,
3168 0,
3169 w_mode,
3170 0,
3171 w_mode,
3172 /* da */
3173 d_mode,
3174 d_mode,
3175 d_mode,
3176 d_mode,
3177 d_mode,
3178 d_mode,
3179 d_mode,
3180 d_mode,
3181 /* db */
3182 d_mode,
3183 d_mode,
3184 d_mode,
3185 d_mode,
3186 0,
9306ca4a 3187 t_mode,
1d9f512f 3188 0,
9306ca4a 3189 t_mode,
1d9f512f
AM
3190 /* dc */
3191 q_mode,
3192 q_mode,
3193 q_mode,
3194 q_mode,
3195 q_mode,
3196 q_mode,
3197 q_mode,
3198 q_mode,
3199 /* dd */
3200 q_mode,
3201 q_mode,
3202 q_mode,
3203 q_mode,
3204 0,
3205 0,
3206 0,
3207 w_mode,
3208 /* de */
3209 w_mode,
3210 w_mode,
3211 w_mode,
3212 w_mode,
3213 w_mode,
3214 w_mode,
3215 w_mode,
3216 w_mode,
3217 /* df */
3218 w_mode,
3219 w_mode,
3220 w_mode,
3221 w_mode,
9306ca4a 3222 t_mode,
1d9f512f 3223 q_mode,
9306ca4a 3224 t_mode,
1d9f512f 3225 q_mode
252b5132
RH
3226};
3227
3228#define ST OP_ST, 0
3229#define STi OP_STi, 0
3230
050dfa73
MM
3231#define FGRPd9_2 NULL, NULL, 0, NULL, 0, NULL, 0, NULL, 0
3232#define FGRPd9_4 NULL, NULL, 1, NULL, 0, NULL, 0, NULL, 0
3233#define FGRPd9_5 NULL, NULL, 2, NULL, 0, NULL, 0, NULL, 0
3234#define FGRPd9_6 NULL, NULL, 3, NULL, 0, NULL, 0, NULL, 0
3235#define FGRPd9_7 NULL, NULL, 4, NULL, 0, NULL, 0, NULL, 0
3236#define FGRPda_5 NULL, NULL, 5, NULL, 0, NULL, 0, NULL, 0
3237#define FGRPdb_4 NULL, NULL, 6, NULL, 0, NULL, 0, NULL, 0
3238#define FGRPde_3 NULL, NULL, 7, NULL, 0, NULL, 0, NULL, 0
3239#define FGRPdf_4 NULL, NULL, 8, NULL, 0, NULL, 0, NULL, 0
252b5132 3240
2da11e11 3241static const struct dis386 float_reg[][8] = {
252b5132
RH
3242 /* d8 */
3243 {
050dfa73
MM
3244 { "fadd", ST, STi, XX, XX },
3245 { "fmul", ST, STi, XX, XX },
3246 { "fcom", STi, XX, XX, XX },
3247 { "fcomp", STi, XX, XX, XX },
3248 { "fsub", ST, STi, XX, XX },
3249 { "fsubr", ST, STi, XX, XX },
3250 { "fdiv", ST, STi, XX, XX },
3251 { "fdivr", ST, STi, XX, XX },
252b5132
RH
3252 },
3253 /* d9 */
3254 {
050dfa73
MM
3255 { "fld", STi, XX, XX, XX },
3256 { "fxch", STi, XX, XX, XX },
252b5132 3257 { FGRPd9_2 },
050dfa73 3258 { "(bad)", XX, XX, XX, XX },
252b5132
RH
3259 { FGRPd9_4 },
3260 { FGRPd9_5 },
3261 { FGRPd9_6 },
3262 { FGRPd9_7 },
3263 },
3264 /* da */
3265 {
050dfa73
MM
3266 { "fcmovb", ST, STi, XX, XX },
3267 { "fcmove", ST, STi, XX, XX },
3268 { "fcmovbe",ST, STi, XX, XX },
3269 { "fcmovu", ST, STi, XX, XX },
3270 { "(bad)", XX, XX, XX, XX },
252b5132 3271 { FGRPda_5 },
050dfa73
MM
3272 { "(bad)", XX, XX, XX, XX },
3273 { "(bad)", XX, XX, XX, XX },
252b5132
RH
3274 },
3275 /* db */
3276 {
050dfa73
MM
3277 { "fcmovnb",ST, STi, XX, XX },
3278 { "fcmovne",ST, STi, XX, XX },
3279 { "fcmovnbe",ST, STi, XX, XX },
3280 { "fcmovnu",ST, STi, XX, XX },
252b5132 3281 { FGRPdb_4 },
050dfa73
MM
3282 { "fucomi", ST, STi, XX, XX },
3283 { "fcomi", ST, STi, XX, XX },
3284 { "(bad)", XX, XX, XX, XX },
252b5132
RH
3285 },
3286 /* dc */
3287 {
050dfa73
MM
3288 { "fadd", STi, ST, XX, XX },
3289 { "fmul", STi, ST, XX, XX },
3290 { "(bad)", XX, XX, XX, XX },
3291 { "(bad)", XX, XX, XX, XX },
252b5132 3292#if UNIXWARE_COMPAT
050dfa73
MM
3293 { "fsub", STi, ST, XX, XX },
3294 { "fsubr", STi, ST, XX, XX },
3295 { "fdiv", STi, ST, XX, XX },
3296 { "fdivr", STi, ST, XX, XX },
252b5132 3297#else
050dfa73
MM
3298 { "fsubr", STi, ST, XX, XX },
3299 { "fsub", STi, ST, XX, XX },
3300 { "fdivr", STi, ST, XX, XX },
3301 { "fdiv", STi, ST, XX, XX },
252b5132
RH
3302#endif
3303 },
3304 /* dd */
3305 {
050dfa73
MM
3306 { "ffree", STi, XX, XX, XX },
3307 { "(bad)", XX, XX, XX, XX },
3308 { "fst", STi, XX, XX, XX },
3309 { "fstp", STi, XX, XX, XX },
3310 { "fucom", STi, XX, XX, XX },
3311 { "fucomp", STi, XX, XX, XX },
3312 { "(bad)", XX, XX, XX, XX },
3313 { "(bad)", XX, XX, XX, XX },
252b5132
RH
3314 },
3315 /* de */
3316 {
050dfa73
MM
3317 { "faddp", STi, ST, XX, XX },
3318 { "fmulp", STi, ST, XX, XX },
3319 { "(bad)", XX, XX, XX, XX },
252b5132
RH
3320 { FGRPde_3 },
3321#if UNIXWARE_COMPAT
050dfa73
MM
3322 { "fsubp", STi, ST, XX, XX },
3323 { "fsubrp", STi, ST, XX, XX },
3324 { "fdivp", STi, ST, XX, XX },
3325 { "fdivrp", STi, ST, XX, XX },
252b5132 3326#else
050dfa73
MM
3327 { "fsubrp", STi, ST, XX, XX },
3328 { "fsubp", STi, ST, XX, XX },
3329 { "fdivrp", STi, ST, XX, XX },
3330 { "fdivp", STi, ST, XX, XX },
252b5132
RH
3331#endif
3332 },
3333 /* df */
3334 {
050dfa73
MM
3335 { "ffreep", STi, XX, XX, XX },
3336 { "(bad)", XX, XX, XX, XX },
3337 { "(bad)", XX, XX, XX, XX },
3338 { "(bad)", XX, XX, XX, XX },
252b5132 3339 { FGRPdf_4 },
050dfa73
MM
3340 { "fucomip",ST, STi, XX, XX },
3341 { "fcomip", ST, STi, XX, XX },
3342 { "(bad)", XX, XX, XX, XX },
252b5132
RH
3343 },
3344};
3345
252b5132
RH
3346static char *fgrps[][8] = {
3347 /* d9_2 0 */
3348 {
3349 "fnop","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)",
3350 },
3351
3352 /* d9_4 1 */
3353 {
3354 "fchs","fabs","(bad)","(bad)","ftst","fxam","(bad)","(bad)",
3355 },
3356
3357 /* d9_5 2 */
3358 {
3359 "fld1","fldl2t","fldl2e","fldpi","fldlg2","fldln2","fldz","(bad)",
3360 },
3361
3362 /* d9_6 3 */
3363 {
3364 "f2xm1","fyl2x","fptan","fpatan","fxtract","fprem1","fdecstp","fincstp",
3365 },
3366
3367 /* d9_7 4 */
3368 {
3369 "fprem","fyl2xp1","fsqrt","fsincos","frndint","fscale","fsin","fcos",
3370 },
3371
3372 /* da_5 5 */
3373 {
3374 "(bad)","fucompp","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)",
3375 },
3376
3377 /* db_4 6 */
3378 {
3379 "feni(287 only)","fdisi(287 only)","fNclex","fNinit",
3380 "fNsetpm(287 only)","(bad)","(bad)","(bad)",
3381 },
3382
3383 /* de_3 7 */
3384 {
3385 "(bad)","fcompp","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)",
3386 },
3387
3388 /* df_4 8 */
3389 {
3390 "fNstsw","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)",
3391 },
3392};
3393
3394static void
26ca5450 3395dofloat (int sizeflag)
252b5132 3396{
2da11e11 3397 const struct dis386 *dp;
252b5132
RH
3398 unsigned char floatop;
3399
3400 floatop = codep[-1];
3401
3402 if (mod != 3)
3403 {
1d9f512f
AM
3404 int fp_indx = (floatop - 0xd8) * 8 + reg;
3405
3406 putop (float_mem[fp_indx], sizeflag);
252b5132 3407 obufp = op1out;
6e50d963 3408 op_ad = 2;
1d9f512f 3409 OP_E (float_mem_mode[fp_indx], sizeflag);
252b5132
RH
3410 return;
3411 }
6608db57 3412 /* Skip mod/rm byte. */
4bba6815 3413 MODRM_CHECK;
252b5132
RH
3414 codep++;
3415
3416 dp = &float_reg[floatop - 0xd8][reg];
3417 if (dp->name == NULL)
3418 {
3419 putop (fgrps[dp->bytemode1][rm], sizeflag);
3420
6608db57 3421 /* Instruction fnstsw is only one with strange arg. */
252b5132
RH
3422 if (floatop == 0xdf && codep[-1] == 0xe0)
3423 strcpy (op1out, names16[0]);
3424 }
3425 else
3426 {
3427 putop (dp->name, sizeflag);
3428
3429 obufp = op1out;
6e50d963 3430 op_ad = 2;
252b5132 3431 if (dp->op1)
6608db57 3432 (*dp->op1) (dp->bytemode1, sizeflag);
6e50d963 3433
252b5132 3434 obufp = op2out;
6e50d963 3435 op_ad = 1;
252b5132 3436 if (dp->op2)
6608db57 3437 (*dp->op2) (dp->bytemode2, sizeflag);
252b5132
RH
3438 }
3439}
3440
252b5132 3441static void
26ca5450 3442OP_ST (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
252b5132 3443{
422673a9 3444 oappend ("%st" + intel_syntax);
252b5132
RH
3445}
3446
252b5132 3447static void
26ca5450 3448OP_STi (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
252b5132
RH
3449{
3450 sprintf (scratchbuf, "%%st(%d)", rm);
d708bcba 3451 oappend (scratchbuf + intel_syntax);
252b5132
RH
3452}
3453
6608db57 3454/* Capital letters in template are macros. */
6439fc28 3455static int
26ca5450 3456putop (const char *template, int sizeflag)
252b5132 3457{
2da11e11 3458 const char *p;
9306ca4a 3459 int alt = 0;
252b5132
RH
3460
3461 for (p = template; *p; p++)
3462 {
3463 switch (*p)
3464 {
3465 default:
3466 *obufp++ = *p;
3467 break;
6439fc28
AM
3468 case '{':
3469 alt = 0;
3470 if (intel_syntax)
3471 alt += 1;
cb712a9e 3472 if (address_mode == mode_64bit)
6439fc28
AM
3473 alt += 2;
3474 while (alt != 0)
3475 {
3476 while (*++p != '|')
3477 {
3478 if (*p == '}')
3479 {
3480 /* Alternative not valid. */
3481 strcpy (obuf, "(bad)");
3482 obufp = obuf + 5;
3483 return 1;
3484 }
3485 else if (*p == '\0')
3486 abort ();
3487 }
3488 alt--;
3489 }
9306ca4a
JB
3490 /* Fall through. */
3491 case 'I':
3492 alt = 1;
3493 continue;
6439fc28
AM
3494 case '|':
3495 while (*++p != '}')
3496 {
3497 if (*p == '\0')
3498 abort ();
3499 }
3500 break;
3501 case '}':
3502 break;
252b5132 3503 case 'A':
db6eb5be
AM
3504 if (intel_syntax)
3505 break;
e396998b 3506 if (mod != 3 || (sizeflag & SUFFIX_ALWAYS))
252b5132
RH
3507 *obufp++ = 'b';
3508 break;
3509 case 'B':
db6eb5be
AM
3510 if (intel_syntax)
3511 break;
252b5132
RH
3512 if (sizeflag & SUFFIX_ALWAYS)
3513 *obufp++ = 'b';
252b5132 3514 break;
9306ca4a
JB
3515 case 'C':
3516 if (intel_syntax && !alt)
3517 break;
3518 if ((prefixes & PREFIX_DATA) || (sizeflag & SUFFIX_ALWAYS))
3519 {
3520 if (sizeflag & DFLAG)
3521 *obufp++ = intel_syntax ? 'd' : 'l';
3522 else
3523 *obufp++ = intel_syntax ? 'w' : 's';
3524 used_prefixes |= (prefixes & PREFIX_DATA);
3525 }
3526 break;
252b5132 3527 case 'E': /* For jcxz/jecxz */
cb712a9e 3528 if (address_mode == mode_64bit)
c1a64871
JH
3529 {
3530 if (sizeflag & AFLAG)
3531 *obufp++ = 'r';
3532 else
3533 *obufp++ = 'e';
3534 }
3535 else
3536 if (sizeflag & AFLAG)
3537 *obufp++ = 'e';
3ffd33cf
AM
3538 used_prefixes |= (prefixes & PREFIX_ADDR);
3539 break;
3540 case 'F':
db6eb5be
AM
3541 if (intel_syntax)
3542 break;
e396998b 3543 if ((prefixes & PREFIX_ADDR) || (sizeflag & SUFFIX_ALWAYS))
3ffd33cf
AM
3544 {
3545 if (sizeflag & AFLAG)
cb712a9e 3546 *obufp++ = address_mode == mode_64bit ? 'q' : 'l';
3ffd33cf 3547 else
cb712a9e 3548 *obufp++ = address_mode == mode_64bit ? 'l' : 'w';
3ffd33cf
AM
3549 used_prefixes |= (prefixes & PREFIX_ADDR);
3550 }
252b5132 3551 break;
5dd0794d 3552 case 'H':
db6eb5be
AM
3553 if (intel_syntax)
3554 break;
5dd0794d
AM
3555 if ((prefixes & (PREFIX_CS | PREFIX_DS)) == PREFIX_CS
3556 || (prefixes & (PREFIX_CS | PREFIX_DS)) == PREFIX_DS)
3557 {
3558 used_prefixes |= prefixes & (PREFIX_CS | PREFIX_DS);
3559 *obufp++ = ',';
3560 *obufp++ = 'p';
3561 if (prefixes & PREFIX_DS)
3562 *obufp++ = 't';
3563 else
3564 *obufp++ = 'n';
3565 }
3566 break;
9306ca4a
JB
3567 case 'J':
3568 if (intel_syntax)
3569 break;
3570 *obufp++ = 'l';
3571 break;
6dd5059a
L
3572 case 'Z':
3573 if (intel_syntax)
3574 break;
3575 if (address_mode == mode_64bit && (sizeflag & SUFFIX_ALWAYS))
3576 {
3577 *obufp++ = 'q';
3578 break;
3579 }
3580 /* Fall through. */
252b5132 3581 case 'L':
db6eb5be
AM
3582 if (intel_syntax)
3583 break;
252b5132
RH
3584 if (sizeflag & SUFFIX_ALWAYS)
3585 *obufp++ = 'l';
252b5132
RH
3586 break;
3587 case 'N':
3588 if ((prefixes & PREFIX_FWAIT) == 0)
3589 *obufp++ = 'n';
7d421014
ILT
3590 else
3591 used_prefixes |= PREFIX_FWAIT;
252b5132 3592 break;
52b15da3
JH
3593 case 'O':
3594 USED_REX (REX_MODE64);
3595 if (rex & REX_MODE64)
6439fc28 3596 *obufp++ = 'o';
52b15da3
JH
3597 else
3598 *obufp++ = 'd';
3599 break;
6439fc28 3600 case 'T':
db6eb5be
AM
3601 if (intel_syntax)
3602 break;
cb712a9e 3603 if (address_mode == mode_64bit && (sizeflag & DFLAG))
6439fc28
AM
3604 {
3605 *obufp++ = 'q';
3606 break;
3607 }
6608db57 3608 /* Fall through. */
252b5132 3609 case 'P':
db6eb5be
AM
3610 if (intel_syntax)
3611 break;
252b5132 3612 if ((prefixes & PREFIX_DATA)
52b15da3 3613 || (rex & REX_MODE64)
e396998b 3614 || (sizeflag & SUFFIX_ALWAYS))
252b5132 3615 {
52b15da3
JH
3616 USED_REX (REX_MODE64);
3617 if (rex & REX_MODE64)
3618 *obufp++ = 'q';
c2419411 3619 else
52b15da3
JH
3620 {
3621 if (sizeflag & DFLAG)
3622 *obufp++ = 'l';
3623 else
3624 *obufp++ = 'w';
52b15da3 3625 }
1a114b12 3626 used_prefixes |= (prefixes & PREFIX_DATA);
252b5132
RH
3627 }
3628 break;
6439fc28 3629 case 'U':
db6eb5be
AM
3630 if (intel_syntax)
3631 break;
cb712a9e 3632 if (address_mode == mode_64bit && (sizeflag & DFLAG))
6439fc28 3633 {
1a114b12
JB
3634 if (mod != 3 || (sizeflag & SUFFIX_ALWAYS))
3635 *obufp++ = 'q';
6439fc28
AM
3636 break;
3637 }
6608db57 3638 /* Fall through. */
252b5132 3639 case 'Q':
9306ca4a 3640 if (intel_syntax && !alt)
db6eb5be 3641 break;
90530880 3642 USED_REX (REX_MODE64);
e396998b 3643 if (mod != 3 || (sizeflag & SUFFIX_ALWAYS))
252b5132 3644 {
52b15da3
JH
3645 if (rex & REX_MODE64)
3646 *obufp++ = 'q';
252b5132 3647 else
52b15da3
JH
3648 {
3649 if (sizeflag & DFLAG)
9306ca4a 3650 *obufp++ = intel_syntax ? 'd' : 'l';
52b15da3
JH
3651 else
3652 *obufp++ = 'w';
52b15da3 3653 }
1a114b12 3654 used_prefixes |= (prefixes & PREFIX_DATA);
252b5132
RH
3655 }
3656 break;
3657 case 'R':
52b15da3 3658 USED_REX (REX_MODE64);
db6eb5be 3659 if (intel_syntax)
c608c12e 3660 {
52b15da3
JH
3661 if (rex & REX_MODE64)
3662 {
3663 *obufp++ = 'q';
3664 *obufp++ = 't';
3665 }
3666 else if (sizeflag & DFLAG)
c608c12e
AM
3667 {
3668 *obufp++ = 'd';
3669 *obufp++ = 'q';
3670 }
3671 else
3672 {
3673 *obufp++ = 'w';
3674 *obufp++ = 'd';
3675 }
3676 }
252b5132 3677 else
c608c12e 3678 {
52b15da3
JH
3679 if (rex & REX_MODE64)
3680 *obufp++ = 'q';
3681 else if (sizeflag & DFLAG)
c608c12e
AM
3682 *obufp++ = 'l';
3683 else
3684 *obufp++ = 'w';
3685 }
52b15da3
JH
3686 if (!(rex & REX_MODE64))
3687 used_prefixes |= (prefixes & PREFIX_DATA);
252b5132 3688 break;
1a114b12
JB
3689 case 'V':
3690 if (intel_syntax)
3691 break;
cb712a9e 3692 if (address_mode == mode_64bit && (sizeflag & DFLAG))
1a114b12
JB
3693 {
3694 if (sizeflag & SUFFIX_ALWAYS)
3695 *obufp++ = 'q';
3696 break;
3697 }
3698 /* Fall through. */
252b5132 3699 case 'S':
db6eb5be
AM
3700 if (intel_syntax)
3701 break;
252b5132
RH
3702 if (sizeflag & SUFFIX_ALWAYS)
3703 {
52b15da3
JH
3704 if (rex & REX_MODE64)
3705 *obufp++ = 'q';
252b5132 3706 else
52b15da3
JH
3707 {
3708 if (sizeflag & DFLAG)
3709 *obufp++ = 'l';
3710 else
3711 *obufp++ = 'w';
3712 used_prefixes |= (prefixes & PREFIX_DATA);
3713 }
252b5132 3714 }
252b5132 3715 break;
041bd2e0
JH
3716 case 'X':
3717 if (prefixes & PREFIX_DATA)
3718 *obufp++ = 'd';
3719 else
3720 *obufp++ = 's';
db6eb5be 3721 used_prefixes |= (prefixes & PREFIX_DATA);
041bd2e0 3722 break;
76f227a5 3723 case 'Y':
db6eb5be
AM
3724 if (intel_syntax)
3725 break;
76f227a5
JH
3726 if (rex & REX_MODE64)
3727 {
3728 USED_REX (REX_MODE64);
3729 *obufp++ = 'q';
3730 }
3731 break;
52b15da3 3732 /* implicit operand size 'l' for i386 or 'q' for x86-64 */
252b5132 3733 case 'W':
252b5132 3734 /* operand size flag for cwtl, cbtw */
52b15da3
JH
3735 USED_REX (0);
3736 if (rex)
3737 *obufp++ = 'l';
3738 else if (sizeflag & DFLAG)
252b5132
RH
3739 *obufp++ = 'w';
3740 else
3741 *obufp++ = 'b';
db6eb5be 3742 if (intel_syntax)
c608c12e 3743 {
52b15da3
JH
3744 if (rex)
3745 {
3746 *obufp++ = 'q';
3747 *obufp++ = 'e';
3748 }
c608c12e
AM
3749 if (sizeflag & DFLAG)
3750 {
3751 *obufp++ = 'd';
3752 *obufp++ = 'e';
3753 }
3754 else
3755 {
3756 *obufp++ = 'w';
3757 }
3758 }
52b15da3
JH
3759 if (!rex)
3760 used_prefixes |= (prefixes & PREFIX_DATA);
252b5132
RH
3761 break;
3762 }
9306ca4a 3763 alt = 0;
252b5132
RH
3764 }
3765 *obufp = 0;
6439fc28 3766 return 0;
252b5132
RH
3767}
3768
3769static void
26ca5450 3770oappend (const char *s)
252b5132
RH
3771{
3772 strcpy (obufp, s);
3773 obufp += strlen (s);
3774}
3775
3776static void
26ca5450 3777append_seg (void)
252b5132
RH
3778{
3779 if (prefixes & PREFIX_CS)
7d421014 3780 {
7d421014 3781 used_prefixes |= PREFIX_CS;
d708bcba 3782 oappend ("%cs:" + intel_syntax);
7d421014 3783 }
252b5132 3784 if (prefixes & PREFIX_DS)
7d421014 3785 {
7d421014 3786 used_prefixes |= PREFIX_DS;
d708bcba 3787 oappend ("%ds:" + intel_syntax);
7d421014 3788 }
252b5132 3789 if (prefixes & PREFIX_SS)
7d421014 3790 {
7d421014 3791 used_prefixes |= PREFIX_SS;
d708bcba 3792 oappend ("%ss:" + intel_syntax);
7d421014 3793 }
252b5132 3794 if (prefixes & PREFIX_ES)
7d421014 3795 {
7d421014 3796 used_prefixes |= PREFIX_ES;
d708bcba 3797 oappend ("%es:" + intel_syntax);
7d421014 3798 }
252b5132 3799 if (prefixes & PREFIX_FS)
7d421014 3800 {
7d421014 3801 used_prefixes |= PREFIX_FS;
d708bcba 3802 oappend ("%fs:" + intel_syntax);
7d421014 3803 }
252b5132 3804 if (prefixes & PREFIX_GS)
7d421014 3805 {
7d421014 3806 used_prefixes |= PREFIX_GS;
d708bcba 3807 oappend ("%gs:" + intel_syntax);
7d421014 3808 }
252b5132
RH
3809}
3810
3811static void
26ca5450 3812OP_indirE (int bytemode, int sizeflag)
252b5132
RH
3813{
3814 if (!intel_syntax)
3815 oappend ("*");
3816 OP_E (bytemode, sizeflag);
3817}
3818
52b15da3 3819static void
26ca5450 3820print_operand_value (char *buf, int hex, bfd_vma disp)
52b15da3 3821{
cb712a9e 3822 if (address_mode == mode_64bit)
52b15da3
JH
3823 {
3824 if (hex)
3825 {
3826 char tmp[30];
3827 int i;
3828 buf[0] = '0';
3829 buf[1] = 'x';
3830 sprintf_vma (tmp, disp);
6608db57 3831 for (i = 0; tmp[i] == '0' && tmp[i + 1]; i++);
52b15da3
JH
3832 strcpy (buf + 2, tmp + i);
3833 }
3834 else
3835 {
3836 bfd_signed_vma v = disp;
3837 char tmp[30];
3838 int i;
3839 if (v < 0)
3840 {
3841 *(buf++) = '-';
3842 v = -disp;
6608db57 3843 /* Check for possible overflow on 0x8000000000000000. */
52b15da3
JH
3844 if (v < 0)
3845 {
3846 strcpy (buf, "9223372036854775808");
3847 return;
3848 }
3849 }
3850 if (!v)
3851 {
3852 strcpy (buf, "0");
3853 return;
3854 }
3855
3856 i = 0;
3857 tmp[29] = 0;
3858 while (v)
3859 {
6608db57 3860 tmp[28 - i] = (v % 10) + '0';
52b15da3
JH
3861 v /= 10;
3862 i++;
3863 }
3864 strcpy (buf, tmp + 29 - i);
3865 }
3866 }
3867 else
3868 {
3869 if (hex)
3870 sprintf (buf, "0x%x", (unsigned int) disp);
3871 else
3872 sprintf (buf, "%d", (int) disp);
3873 }
3874}
3875
3f31e633
JB
3876static void
3877intel_operand_size (int bytemode, int sizeflag)
3878{
3879 switch (bytemode)
3880 {
3881 case b_mode:
3882 oappend ("BYTE PTR ");
3883 break;
3884 case w_mode:
3885 case dqw_mode:
3886 oappend ("WORD PTR ");
3887 break;
1a114b12 3888 case stack_v_mode:
cb712a9e 3889 if (address_mode == mode_64bit && (sizeflag & DFLAG))
3f31e633
JB
3890 {
3891 oappend ("QWORD PTR ");
3892 used_prefixes |= (prefixes & PREFIX_DATA);
3893 break;
3894 }
3895 /* FALLTHRU */
3896 case v_mode:
3897 case dq_mode:
3898 USED_REX (REX_MODE64);
3899 if (rex & REX_MODE64)
3900 oappend ("QWORD PTR ");
3901 else if ((sizeflag & DFLAG) || bytemode == dq_mode)
3902 oappend ("DWORD PTR ");
3903 else
3904 oappend ("WORD PTR ");
3905 used_prefixes |= (prefixes & PREFIX_DATA);
3906 break;
3907 case d_mode:
3908 oappend ("DWORD PTR ");
3909 break;
3910 case q_mode:
3911 oappend ("QWORD PTR ");
3912 break;
3913 case m_mode:
cb712a9e 3914 if (address_mode == mode_64bit)
3f31e633
JB
3915 oappend ("QWORD PTR ");
3916 else
3917 oappend ("DWORD PTR ");
3918 break;
3919 case f_mode:
3920 if (sizeflag & DFLAG)
3921 oappend ("FWORD PTR ");
3922 else
3923 oappend ("DWORD PTR ");
3924 used_prefixes |= (prefixes & PREFIX_DATA);
3925 break;
3926 case t_mode:
3927 oappend ("TBYTE PTR ");
3928 break;
3929 case x_mode:
3930 oappend ("XMMWORD PTR ");
3931 break;
3932 default:
3933 break;
3934 }
3935}
3936
252b5132 3937static void
26ca5450 3938OP_E (int bytemode, int sizeflag)
252b5132 3939{
52b15da3
JH
3940 bfd_vma disp;
3941 int add = 0;
3942 int riprel = 0;
3943 USED_REX (REX_EXTZ);
3944 if (rex & REX_EXTZ)
3945 add += 8;
252b5132 3946
6608db57 3947 /* Skip mod/rm byte. */
4bba6815 3948 MODRM_CHECK;
252b5132
RH
3949 codep++;
3950
3951 if (mod == 3)
3952 {
3953 switch (bytemode)
3954 {
3955 case b_mode:
52b15da3
JH
3956 USED_REX (0);
3957 if (rex)
3958 oappend (names8rex[rm + add]);
3959 else
3960 oappend (names8[rm + add]);
252b5132
RH
3961 break;
3962 case w_mode:
52b15da3 3963 oappend (names16[rm + add]);
252b5132 3964 break;
2da11e11 3965 case d_mode:
52b15da3
JH
3966 oappend (names32[rm + add]);
3967 break;
3968 case q_mode:
3969 oappend (names64[rm + add]);
3970 break;
3971 case m_mode:
cb712a9e 3972 if (address_mode == mode_64bit)
52b15da3
JH
3973 oappend (names64[rm + add]);
3974 else
3975 oappend (names32[rm + add]);
2da11e11 3976 break;
1a114b12 3977 case stack_v_mode:
cb712a9e 3978 if (address_mode == mode_64bit && (sizeflag & DFLAG))
003519a7 3979 {
1a114b12 3980 oappend (names64[rm + add]);
003519a7 3981 used_prefixes |= (prefixes & PREFIX_DATA);
1a114b12 3982 break;
003519a7 3983 }
1a114b12
JB
3984 bytemode = v_mode;
3985 /* FALLTHRU */
252b5132 3986 case v_mode:
db6eb5be 3987 case dq_mode:
9306ca4a 3988 case dqw_mode:
52b15da3
JH
3989 USED_REX (REX_MODE64);
3990 if (rex & REX_MODE64)
3991 oappend (names64[rm + add]);
9306ca4a 3992 else if ((sizeflag & DFLAG) || bytemode != v_mode)
52b15da3 3993 oappend (names32[rm + add]);
252b5132 3994 else
52b15da3 3995 oappend (names16[rm + add]);
7d421014 3996 used_prefixes |= (prefixes & PREFIX_DATA);
252b5132 3997 break;
2da11e11 3998 case 0:
c608c12e 3999 break;
252b5132 4000 default:
c608c12e 4001 oappend (INTERNAL_DISASSEMBLER_ERROR);
252b5132
RH
4002 break;
4003 }
4004 return;
4005 }
4006
4007 disp = 0;
3f31e633
JB
4008 if (intel_syntax)
4009 intel_operand_size (bytemode, sizeflag);
252b5132
RH
4010 append_seg ();
4011
cb712a9e 4012 if ((sizeflag & AFLAG) || address_mode == mode_64bit) /* 32 bit address mode */
252b5132
RH
4013 {
4014 int havesib;
4015 int havebase;
4016 int base;
4017 int index = 0;
4018 int scale = 0;
4019
4020 havesib = 0;
4021 havebase = 1;
4022 base = rm;
4023
4024 if (base == 4)
4025 {
4026 havesib = 1;
4027 FETCH_DATA (the_info, codep + 1);
252b5132 4028 index = (*codep >> 3) & 7;
cb712a9e 4029 if (address_mode == mode_64bit || index != 0x4)
9df48ba9 4030 /* When INDEX == 0x4 in 32 bit mode, SCALE is ignored. */
2033b4b9 4031 scale = (*codep >> 6) & 3;
252b5132 4032 base = *codep & 7;
52b15da3 4033 USED_REX (REX_EXTY);
52b15da3
JH
4034 if (rex & REX_EXTY)
4035 index += 8;
252b5132
RH
4036 codep++;
4037 }
2888cb7a 4038 base += add;
252b5132
RH
4039
4040 switch (mod)
4041 {
4042 case 0:
52b15da3 4043 if ((base & 7) == 5)
252b5132
RH
4044 {
4045 havebase = 0;
cb712a9e 4046 if (address_mode == mode_64bit && !havesib)
52b15da3
JH
4047 riprel = 1;
4048 disp = get32s ();
252b5132
RH
4049 }
4050 break;
4051 case 1:
4052 FETCH_DATA (the_info, codep + 1);
4053 disp = *codep++;
4054 if ((disp & 0x80) != 0)
4055 disp -= 0x100;
4056 break;
4057 case 2:
52b15da3 4058 disp = get32s ();
252b5132
RH
4059 break;
4060 }
4061
4062 if (!intel_syntax)
db6eb5be
AM
4063 if (mod != 0 || (base & 7) == 5)
4064 {
52b15da3 4065 print_operand_value (scratchbuf, !riprel, disp);
db6eb5be 4066 oappend (scratchbuf);
52b15da3
JH
4067 if (riprel)
4068 {
4069 set_op (disp, 1);
4070 oappend ("(%rip)");
4071 }
db6eb5be 4072 }
2da11e11 4073
252b5132
RH
4074 if (havebase || (havesib && (index != 4 || scale != 0)))
4075 {
252b5132 4076 *obufp++ = open_char;
52b15da3
JH
4077 if (intel_syntax && riprel)
4078 oappend ("rip + ");
db6eb5be 4079 *obufp = '\0';
252b5132 4080 if (havebase)
cb712a9e 4081 oappend (address_mode == mode_64bit && (sizeflag & AFLAG)
c1a64871 4082 ? names64[base] : names32[base]);
252b5132
RH
4083 if (havesib)
4084 {
4085 if (index != 4)
4086 {
9306ca4a 4087 if (!intel_syntax || havebase)
db6eb5be 4088 {
9306ca4a
JB
4089 *obufp++ = separator_char;
4090 *obufp = '\0';
db6eb5be 4091 }
cb712a9e 4092 oappend (address_mode == mode_64bit && (sizeflag & AFLAG)
9306ca4a 4093 ? names64[index] : names32[index]);
252b5132 4094 }
a02a862a 4095 if (scale != 0 || (!intel_syntax && index != 4))
db6eb5be
AM
4096 {
4097 *obufp++ = scale_char;
4098 *obufp = '\0';
4099 sprintf (scratchbuf, "%d", 1 << scale);
4100 oappend (scratchbuf);
4101 }
252b5132 4102 }
3d456fa1
JB
4103 if (intel_syntax && disp)
4104 {
4105 if ((bfd_signed_vma) disp > 0)
4106 {
4107 *obufp++ = '+';
4108 *obufp = '\0';
4109 }
4110 else if (mod != 1)
4111 {
4112 *obufp++ = '-';
4113 *obufp = '\0';
4114 disp = - (bfd_signed_vma) disp;
4115 }
4116
4117 print_operand_value (scratchbuf, mod != 1, disp);
4118 oappend (scratchbuf);
4119 }
252b5132
RH
4120
4121 *obufp++ = close_char;
db6eb5be 4122 *obufp = '\0';
252b5132
RH
4123 }
4124 else if (intel_syntax)
db6eb5be
AM
4125 {
4126 if (mod != 0 || (base & 7) == 5)
4127 {
252b5132
RH
4128 if (prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS
4129 | PREFIX_ES | PREFIX_FS | PREFIX_GS))
4130 ;
4131 else
4132 {
d708bcba 4133 oappend (names_seg[ds_reg - es_reg]);
252b5132
RH
4134 oappend (":");
4135 }
52b15da3 4136 print_operand_value (scratchbuf, 1, disp);
db6eb5be
AM
4137 oappend (scratchbuf);
4138 }
4139 }
252b5132
RH
4140 }
4141 else
4142 { /* 16 bit address mode */
4143 switch (mod)
4144 {
4145 case 0:
2888cb7a 4146 if (rm == 6)
252b5132
RH
4147 {
4148 disp = get16 ();
4149 if ((disp & 0x8000) != 0)
4150 disp -= 0x10000;
4151 }
4152 break;
4153 case 1:
4154 FETCH_DATA (the_info, codep + 1);
4155 disp = *codep++;
4156 if ((disp & 0x80) != 0)
4157 disp -= 0x100;
4158 break;
4159 case 2:
4160 disp = get16 ();
4161 if ((disp & 0x8000) != 0)
4162 disp -= 0x10000;
4163 break;
4164 }
4165
4166 if (!intel_syntax)
2888cb7a 4167 if (mod != 0 || rm == 6)
db6eb5be 4168 {
52b15da3 4169 print_operand_value (scratchbuf, 0, disp);
db6eb5be
AM
4170 oappend (scratchbuf);
4171 }
252b5132 4172
2888cb7a 4173 if (mod != 0 || rm != 6)
252b5132
RH
4174 {
4175 *obufp++ = open_char;
db6eb5be 4176 *obufp = '\0';
3d456fa1
JB
4177 oappend (index16[rm]);
4178 if (intel_syntax && disp)
4179 {
4180 if ((bfd_signed_vma) disp > 0)
4181 {
4182 *obufp++ = '+';
4183 *obufp = '\0';
4184 }
4185 else if (mod != 1)
4186 {
4187 *obufp++ = '-';
4188 *obufp = '\0';
4189 disp = - (bfd_signed_vma) disp;
4190 }
4191
4192 print_operand_value (scratchbuf, mod != 1, disp);
4193 oappend (scratchbuf);
4194 }
4195
db6eb5be
AM
4196 *obufp++ = close_char;
4197 *obufp = '\0';
252b5132 4198 }
3d456fa1
JB
4199 else if (intel_syntax)
4200 {
4201 if (prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS
4202 | PREFIX_ES | PREFIX_FS | PREFIX_GS))
4203 ;
4204 else
4205 {
4206 oappend (names_seg[ds_reg - es_reg]);
4207 oappend (":");
4208 }
4209 print_operand_value (scratchbuf, 1, disp & 0xffff);
4210 oappend (scratchbuf);
4211 }
252b5132
RH
4212 }
4213}
4214
252b5132 4215static void
26ca5450 4216OP_G (int bytemode, int sizeflag)
252b5132 4217{
52b15da3
JH
4218 int add = 0;
4219 USED_REX (REX_EXTX);
4220 if (rex & REX_EXTX)
4221 add += 8;
252b5132
RH
4222 switch (bytemode)
4223 {
4224 case b_mode:
52b15da3
JH
4225 USED_REX (0);
4226 if (rex)
4227 oappend (names8rex[reg + add]);
4228 else
4229 oappend (names8[reg + add]);
252b5132
RH
4230 break;
4231 case w_mode:
52b15da3 4232 oappend (names16[reg + add]);
252b5132
RH
4233 break;
4234 case d_mode:
52b15da3
JH
4235 oappend (names32[reg + add]);
4236 break;
4237 case q_mode:
4238 oappend (names64[reg + add]);
252b5132
RH
4239 break;
4240 case v_mode:
9306ca4a
JB
4241 case dq_mode:
4242 case dqw_mode:
52b15da3
JH
4243 USED_REX (REX_MODE64);
4244 if (rex & REX_MODE64)
4245 oappend (names64[reg + add]);
9306ca4a 4246 else if ((sizeflag & DFLAG) || bytemode != v_mode)
52b15da3 4247 oappend (names32[reg + add]);
252b5132 4248 else
52b15da3 4249 oappend (names16[reg + add]);
7d421014 4250 used_prefixes |= (prefixes & PREFIX_DATA);
252b5132 4251 break;
90700ea2 4252 case m_mode:
cb712a9e 4253 if (address_mode == mode_64bit)
90700ea2
L
4254 oappend (names64[reg + add]);
4255 else
4256 oappend (names32[reg + add]);
4257 break;
252b5132
RH
4258 default:
4259 oappend (INTERNAL_DISASSEMBLER_ERROR);
4260 break;
4261 }
4262}
4263
52b15da3 4264static bfd_vma
26ca5450 4265get64 (void)
52b15da3 4266{
5dd0794d 4267 bfd_vma x;
52b15da3 4268#ifdef BFD64
5dd0794d
AM
4269 unsigned int a;
4270 unsigned int b;
4271
52b15da3
JH
4272 FETCH_DATA (the_info, codep + 8);
4273 a = *codep++ & 0xff;
4274 a |= (*codep++ & 0xff) << 8;
4275 a |= (*codep++ & 0xff) << 16;
4276 a |= (*codep++ & 0xff) << 24;
5dd0794d 4277 b = *codep++ & 0xff;
52b15da3
JH
4278 b |= (*codep++ & 0xff) << 8;
4279 b |= (*codep++ & 0xff) << 16;
4280 b |= (*codep++ & 0xff) << 24;
4281 x = a + ((bfd_vma) b << 32);
4282#else
6608db57 4283 abort ();
5dd0794d 4284 x = 0;
52b15da3
JH
4285#endif
4286 return x;
4287}
4288
4289static bfd_signed_vma
26ca5450 4290get32 (void)
252b5132 4291{
52b15da3 4292 bfd_signed_vma x = 0;
252b5132
RH
4293
4294 FETCH_DATA (the_info, codep + 4);
52b15da3
JH
4295 x = *codep++ & (bfd_signed_vma) 0xff;
4296 x |= (*codep++ & (bfd_signed_vma) 0xff) << 8;
4297 x |= (*codep++ & (bfd_signed_vma) 0xff) << 16;
4298 x |= (*codep++ & (bfd_signed_vma) 0xff) << 24;
4299 return x;
4300}
4301
4302static bfd_signed_vma
26ca5450 4303get32s (void)
52b15da3
JH
4304{
4305 bfd_signed_vma x = 0;
4306
4307 FETCH_DATA (the_info, codep + 4);
4308 x = *codep++ & (bfd_signed_vma) 0xff;
4309 x |= (*codep++ & (bfd_signed_vma) 0xff) << 8;
4310 x |= (*codep++ & (bfd_signed_vma) 0xff) << 16;
4311 x |= (*codep++ & (bfd_signed_vma) 0xff) << 24;
4312
4313 x = (x ^ ((bfd_signed_vma) 1 << 31)) - ((bfd_signed_vma) 1 << 31);
4314
252b5132
RH
4315 return x;
4316}
4317
4318static int
26ca5450 4319get16 (void)
252b5132
RH
4320{
4321 int x = 0;
4322
4323 FETCH_DATA (the_info, codep + 2);
4324 x = *codep++ & 0xff;
4325 x |= (*codep++ & 0xff) << 8;
4326 return x;
4327}
4328
4329static void
26ca5450 4330set_op (bfd_vma op, int riprel)
252b5132
RH
4331{
4332 op_index[op_ad] = op_ad;
cb712a9e 4333 if (address_mode == mode_64bit)
7081ff04
AJ
4334 {
4335 op_address[op_ad] = op;
4336 op_riprel[op_ad] = riprel;
4337 }
4338 else
4339 {
4340 /* Mask to get a 32-bit address. */
4341 op_address[op_ad] = op & 0xffffffff;
4342 op_riprel[op_ad] = riprel & 0xffffffff;
4343 }
252b5132
RH
4344}
4345
4346static void
26ca5450 4347OP_REG (int code, int sizeflag)
252b5132 4348{
2da11e11 4349 const char *s;
52b15da3
JH
4350 int add = 0;
4351 USED_REX (REX_EXTZ);
4352 if (rex & REX_EXTZ)
4353 add = 8;
4354
4355 switch (code)
4356 {
4357 case indir_dx_reg:
d708bcba 4358 if (intel_syntax)
db6eb5be 4359 s = "[dx]";
d708bcba 4360 else
db6eb5be 4361 s = "(%dx)";
52b15da3
JH
4362 break;
4363 case ax_reg: case cx_reg: case dx_reg: case bx_reg:
4364 case sp_reg: case bp_reg: case si_reg: case di_reg:
4365 s = names16[code - ax_reg + add];
4366 break;
4367 case es_reg: case ss_reg: case cs_reg:
4368 case ds_reg: case fs_reg: case gs_reg:
4369 s = names_seg[code - es_reg + add];
4370 break;
4371 case al_reg: case ah_reg: case cl_reg: case ch_reg:
4372 case dl_reg: case dh_reg: case bl_reg: case bh_reg:
4373 USED_REX (0);
4374 if (rex)
4375 s = names8rex[code - al_reg + add];
4376 else
4377 s = names8[code - al_reg];
4378 break;
6439fc28
AM
4379 case rAX_reg: case rCX_reg: case rDX_reg: case rBX_reg:
4380 case rSP_reg: case rBP_reg: case rSI_reg: case rDI_reg:
cb712a9e 4381 if (address_mode == mode_64bit && (sizeflag & DFLAG))
6439fc28
AM
4382 {
4383 s = names64[code - rAX_reg + add];
4384 break;
4385 }
4386 code += eAX_reg - rAX_reg;
6608db57 4387 /* Fall through. */
52b15da3
JH
4388 case eAX_reg: case eCX_reg: case eDX_reg: case eBX_reg:
4389 case eSP_reg: case eBP_reg: case eSI_reg: case eDI_reg:
4390 USED_REX (REX_MODE64);
4391 if (rex & REX_MODE64)
4392 s = names64[code - eAX_reg + add];
4393 else if (sizeflag & DFLAG)
4394 s = names32[code - eAX_reg + add];
4395 else
4396 s = names16[code - eAX_reg + add];
4397 used_prefixes |= (prefixes & PREFIX_DATA);
4398 break;
52b15da3
JH
4399 default:
4400 s = INTERNAL_DISASSEMBLER_ERROR;
4401 break;
4402 }
4403 oappend (s);
4404}
4405
4406static void
26ca5450 4407OP_IMREG (int code, int sizeflag)
52b15da3
JH
4408{
4409 const char *s;
252b5132
RH
4410
4411 switch (code)
4412 {
4413 case indir_dx_reg:
d708bcba 4414 if (intel_syntax)
db6eb5be 4415 s = "[dx]";
d708bcba 4416 else
db6eb5be 4417 s = "(%dx)";
252b5132
RH
4418 break;
4419 case ax_reg: case cx_reg: case dx_reg: case bx_reg:
4420 case sp_reg: case bp_reg: case si_reg: case di_reg:
4421 s = names16[code - ax_reg];
4422 break;
4423 case es_reg: case ss_reg: case cs_reg:
4424 case ds_reg: case fs_reg: case gs_reg:
4425 s = names_seg[code - es_reg];
4426 break;
4427 case al_reg: case ah_reg: case cl_reg: case ch_reg:
4428 case dl_reg: case dh_reg: case bl_reg: case bh_reg:
52b15da3
JH
4429 USED_REX (0);
4430 if (rex)
4431 s = names8rex[code - al_reg];
4432 else
4433 s = names8[code - al_reg];
252b5132
RH
4434 break;
4435 case eAX_reg: case eCX_reg: case eDX_reg: case eBX_reg:
4436 case eSP_reg: case eBP_reg: case eSI_reg: case eDI_reg:
52b15da3
JH
4437 USED_REX (REX_MODE64);
4438 if (rex & REX_MODE64)
4439 s = names64[code - eAX_reg];
4440 else if (sizeflag & DFLAG)
252b5132
RH
4441 s = names32[code - eAX_reg];
4442 else
4443 s = names16[code - eAX_reg];
7d421014 4444 used_prefixes |= (prefixes & PREFIX_DATA);
252b5132
RH
4445 break;
4446 default:
4447 s = INTERNAL_DISASSEMBLER_ERROR;
4448 break;
4449 }
4450 oappend (s);
4451}
4452
4453static void
26ca5450 4454OP_I (int bytemode, int sizeflag)
252b5132 4455{
52b15da3
JH
4456 bfd_signed_vma op;
4457 bfd_signed_vma mask = -1;
252b5132
RH
4458
4459 switch (bytemode)
4460 {
4461 case b_mode:
4462 FETCH_DATA (the_info, codep + 1);
52b15da3
JH
4463 op = *codep++;
4464 mask = 0xff;
4465 break;
4466 case q_mode:
cb712a9e 4467 if (address_mode == mode_64bit)
6439fc28
AM
4468 {
4469 op = get32s ();
4470 break;
4471 }
6608db57 4472 /* Fall through. */
252b5132 4473 case v_mode:
52b15da3
JH
4474 USED_REX (REX_MODE64);
4475 if (rex & REX_MODE64)
4476 op = get32s ();
4477 else if (sizeflag & DFLAG)
4478 {
4479 op = get32 ();
4480 mask = 0xffffffff;
4481 }
252b5132 4482 else
52b15da3
JH
4483 {
4484 op = get16 ();
4485 mask = 0xfffff;
4486 }
7d421014 4487 used_prefixes |= (prefixes & PREFIX_DATA);
252b5132
RH
4488 break;
4489 case w_mode:
52b15da3 4490 mask = 0xfffff;
252b5132
RH
4491 op = get16 ();
4492 break;
9306ca4a
JB
4493 case const_1_mode:
4494 if (intel_syntax)
4495 oappend ("1");
4496 return;
252b5132
RH
4497 default:
4498 oappend (INTERNAL_DISASSEMBLER_ERROR);
4499 return;
4500 }
4501
52b15da3
JH
4502 op &= mask;
4503 scratchbuf[0] = '$';
d708bcba
AM
4504 print_operand_value (scratchbuf + 1, 1, op);
4505 oappend (scratchbuf + intel_syntax);
52b15da3
JH
4506 scratchbuf[0] = '\0';
4507}
4508
4509static void
26ca5450 4510OP_I64 (int bytemode, int sizeflag)
52b15da3
JH
4511{
4512 bfd_signed_vma op;
4513 bfd_signed_vma mask = -1;
4514
cb712a9e 4515 if (address_mode != mode_64bit)
6439fc28
AM
4516 {
4517 OP_I (bytemode, sizeflag);
4518 return;
4519 }
4520
52b15da3
JH
4521 switch (bytemode)
4522 {
4523 case b_mode:
4524 FETCH_DATA (the_info, codep + 1);
4525 op = *codep++;
4526 mask = 0xff;
4527 break;
4528 case v_mode:
4529 USED_REX (REX_MODE64);
4530 if (rex & REX_MODE64)
4531 op = get64 ();
4532 else if (sizeflag & DFLAG)
4533 {
4534 op = get32 ();
4535 mask = 0xffffffff;
4536 }
4537 else
4538 {
4539 op = get16 ();
4540 mask = 0xfffff;
4541 }
4542 used_prefixes |= (prefixes & PREFIX_DATA);
4543 break;
4544 case w_mode:
4545 mask = 0xfffff;
4546 op = get16 ();
4547 break;
4548 default:
4549 oappend (INTERNAL_DISASSEMBLER_ERROR);
4550 return;
4551 }
4552
4553 op &= mask;
4554 scratchbuf[0] = '$';
d708bcba
AM
4555 print_operand_value (scratchbuf + 1, 1, op);
4556 oappend (scratchbuf + intel_syntax);
252b5132
RH
4557 scratchbuf[0] = '\0';
4558}
4559
4560static void
26ca5450 4561OP_sI (int bytemode, int sizeflag)
252b5132 4562{
52b15da3
JH
4563 bfd_signed_vma op;
4564 bfd_signed_vma mask = -1;
252b5132
RH
4565
4566 switch (bytemode)
4567 {
4568 case b_mode:
4569 FETCH_DATA (the_info, codep + 1);
4570 op = *codep++;
4571 if ((op & 0x80) != 0)
4572 op -= 0x100;
52b15da3 4573 mask = 0xffffffff;
252b5132
RH
4574 break;
4575 case v_mode:
52b15da3
JH
4576 USED_REX (REX_MODE64);
4577 if (rex & REX_MODE64)
4578 op = get32s ();
4579 else if (sizeflag & DFLAG)
4580 {
4581 op = get32s ();
4582 mask = 0xffffffff;
4583 }
252b5132
RH
4584 else
4585 {
52b15da3 4586 mask = 0xffffffff;
6608db57 4587 op = get16 ();
252b5132
RH
4588 if ((op & 0x8000) != 0)
4589 op -= 0x10000;
4590 }
7d421014 4591 used_prefixes |= (prefixes & PREFIX_DATA);
252b5132
RH
4592 break;
4593 case w_mode:
4594 op = get16 ();
52b15da3 4595 mask = 0xffffffff;
252b5132
RH
4596 if ((op & 0x8000) != 0)
4597 op -= 0x10000;
4598 break;
4599 default:
4600 oappend (INTERNAL_DISASSEMBLER_ERROR);
4601 return;
4602 }
52b15da3
JH
4603
4604 scratchbuf[0] = '$';
4605 print_operand_value (scratchbuf + 1, 1, op);
d708bcba 4606 oappend (scratchbuf + intel_syntax);
252b5132
RH
4607}
4608
4609static void
26ca5450 4610OP_J (int bytemode, int sizeflag)
252b5132 4611{
52b15da3 4612 bfd_vma disp;
7081ff04 4613 bfd_vma mask = -1;
252b5132
RH
4614
4615 switch (bytemode)
4616 {
4617 case b_mode:
4618 FETCH_DATA (the_info, codep + 1);
4619 disp = *codep++;
4620 if ((disp & 0x80) != 0)
4621 disp -= 0x100;
4622 break;
4623 case v_mode:
1a114b12 4624 if ((sizeflag & DFLAG) || (rex & REX_MODE64))
52b15da3 4625 disp = get32s ();
252b5132
RH
4626 else
4627 {
4628 disp = get16 ();
6608db57 4629 /* For some reason, a data16 prefix on a jump instruction
252b5132
RH
4630 means that the pc is masked to 16 bits after the
4631 displacement is added! */
4632 mask = 0xffff;
4633 }
4634 break;
4635 default:
4636 oappend (INTERNAL_DISASSEMBLER_ERROR);
4637 return;
4638 }
4639 disp = (start_pc + codep - start_codep + disp) & mask;
52b15da3
JH
4640 set_op (disp, 0);
4641 print_operand_value (scratchbuf, 1, disp);
252b5132
RH
4642 oappend (scratchbuf);
4643}
4644
252b5132 4645static void
26ca5450 4646OP_SEG (int dummy ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
252b5132 4647{
d708bcba 4648 oappend (names_seg[reg]);
252b5132
RH
4649}
4650
4651static void
26ca5450 4652OP_DIR (int dummy ATTRIBUTE_UNUSED, int sizeflag)
252b5132
RH
4653{
4654 int seg, offset;
4655
c608c12e 4656 if (sizeflag & DFLAG)
252b5132 4657 {
c608c12e
AM
4658 offset = get32 ();
4659 seg = get16 ();
252b5132 4660 }
c608c12e
AM
4661 else
4662 {
4663 offset = get16 ();
4664 seg = get16 ();
4665 }
7d421014 4666 used_prefixes |= (prefixes & PREFIX_DATA);
d708bcba 4667 if (intel_syntax)
3f31e633 4668 sprintf (scratchbuf, "0x%x:0x%x", seg, offset);
d708bcba
AM
4669 else
4670 sprintf (scratchbuf, "$0x%x,$0x%x", seg, offset);
c608c12e 4671 oappend (scratchbuf);
252b5132
RH
4672}
4673
252b5132 4674static void
3f31e633 4675OP_OFF (int bytemode, int sizeflag)
252b5132 4676{
52b15da3 4677 bfd_vma off;
252b5132 4678
3f31e633
JB
4679 if (intel_syntax && (sizeflag & SUFFIX_ALWAYS))
4680 intel_operand_size (bytemode, sizeflag);
252b5132
RH
4681 append_seg ();
4682
cb712a9e 4683 if ((sizeflag & AFLAG) || address_mode == mode_64bit)
252b5132
RH
4684 off = get32 ();
4685 else
4686 off = get16 ();
4687
4688 if (intel_syntax)
4689 {
4690 if (!(prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS
db6eb5be 4691 | PREFIX_ES | PREFIX_FS | PREFIX_GS)))
252b5132 4692 {
d708bcba 4693 oappend (names_seg[ds_reg - es_reg]);
252b5132
RH
4694 oappend (":");
4695 }
4696 }
52b15da3
JH
4697 print_operand_value (scratchbuf, 1, off);
4698 oappend (scratchbuf);
4699}
6439fc28 4700
52b15da3 4701static void
3f31e633 4702OP_OFF64 (int bytemode, int sizeflag)
52b15da3
JH
4703{
4704 bfd_vma off;
4705
539e75ad
L
4706 if (address_mode != mode_64bit
4707 || (prefixes & PREFIX_ADDR))
6439fc28
AM
4708 {
4709 OP_OFF (bytemode, sizeflag);
4710 return;
4711 }
4712
3f31e633
JB
4713 if (intel_syntax && (sizeflag & SUFFIX_ALWAYS))
4714 intel_operand_size (bytemode, sizeflag);
52b15da3
JH
4715 append_seg ();
4716
6608db57 4717 off = get64 ();
52b15da3
JH
4718
4719 if (intel_syntax)
4720 {
4721 if (!(prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS
db6eb5be 4722 | PREFIX_ES | PREFIX_FS | PREFIX_GS)))
52b15da3 4723 {
d708bcba 4724 oappend (names_seg[ds_reg - es_reg]);
52b15da3
JH
4725 oappend (":");
4726 }
4727 }
4728 print_operand_value (scratchbuf, 1, off);
252b5132
RH
4729 oappend (scratchbuf);
4730}
4731
4732static void
26ca5450 4733ptr_reg (int code, int sizeflag)
252b5132 4734{
2da11e11 4735 const char *s;
d708bcba 4736
1d9f512f 4737 *obufp++ = open_char;
20f0a1fc 4738 used_prefixes |= (prefixes & PREFIX_ADDR);
cb712a9e 4739 if (address_mode == mode_64bit)
c1a64871
JH
4740 {
4741 if (!(sizeflag & AFLAG))
db6eb5be 4742 s = names32[code - eAX_reg];
c1a64871 4743 else
db6eb5be 4744 s = names64[code - eAX_reg];
c1a64871 4745 }
52b15da3 4746 else if (sizeflag & AFLAG)
252b5132
RH
4747 s = names32[code - eAX_reg];
4748 else
4749 s = names16[code - eAX_reg];
4750 oappend (s);
1d9f512f
AM
4751 *obufp++ = close_char;
4752 *obufp = 0;
252b5132
RH
4753}
4754
4755static void
26ca5450 4756OP_ESreg (int code, int sizeflag)
252b5132 4757{
9306ca4a 4758 if (intel_syntax)
3f31e633 4759 intel_operand_size (codep[-1] & 1 ? v_mode : b_mode, sizeflag);
d708bcba 4760 oappend ("%es:" + intel_syntax);
252b5132
RH
4761 ptr_reg (code, sizeflag);
4762}
4763
4764static void
26ca5450 4765OP_DSreg (int code, int sizeflag)
252b5132 4766{
9306ca4a 4767 if (intel_syntax)
3f31e633
JB
4768 intel_operand_size (codep[-1] != 0xd7 && (codep[-1] & 1)
4769 ? v_mode
4770 : b_mode,
4771 sizeflag);
252b5132
RH
4772 if ((prefixes
4773 & (PREFIX_CS
4774 | PREFIX_DS
4775 | PREFIX_SS
4776 | PREFIX_ES
4777 | PREFIX_FS
4778 | PREFIX_GS)) == 0)
4779 prefixes |= PREFIX_DS;
6608db57 4780 append_seg ();
252b5132
RH
4781 ptr_reg (code, sizeflag);
4782}
4783
252b5132 4784static void
26ca5450 4785OP_C (int dummy ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
252b5132 4786{
52b15da3 4787 int add = 0;
52b15da3 4788 if (rex & REX_EXTX)
c4a530c5
JB
4789 {
4790 USED_REX (REX_EXTX);
4791 add = 8;
4792 }
cb712a9e 4793 else if (address_mode != mode_64bit && (prefixes & PREFIX_LOCK))
c4a530c5
JB
4794 {
4795 used_prefixes |= PREFIX_LOCK;
4796 add = 8;
4797 }
d708bcba
AM
4798 sprintf (scratchbuf, "%%cr%d", reg + add);
4799 oappend (scratchbuf + intel_syntax);
252b5132
RH
4800}
4801
252b5132 4802static void
26ca5450 4803OP_D (int dummy ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
252b5132 4804{
52b15da3
JH
4805 int add = 0;
4806 USED_REX (REX_EXTX);
4807 if (rex & REX_EXTX)
4808 add = 8;
d708bcba 4809 if (intel_syntax)
6608db57 4810 sprintf (scratchbuf, "db%d", reg + add);
d708bcba 4811 else
6608db57 4812 sprintf (scratchbuf, "%%db%d", reg + add);
252b5132
RH
4813 oappend (scratchbuf);
4814}
4815
252b5132 4816static void
26ca5450 4817OP_T (int dummy ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
252b5132 4818{
252b5132 4819 sprintf (scratchbuf, "%%tr%d", reg);
d708bcba 4820 oappend (scratchbuf + intel_syntax);
252b5132
RH
4821}
4822
4823static void
26ca5450 4824OP_Rd (int bytemode, int sizeflag)
252b5132 4825{
2da11e11
AM
4826 if (mod == 3)
4827 OP_E (bytemode, sizeflag);
4828 else
6608db57 4829 BadOp ();
252b5132
RH
4830}
4831
4832static void
26ca5450 4833OP_MMX (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
252b5132 4834{
041bd2e0
JH
4835 used_prefixes |= (prefixes & PREFIX_DATA);
4836 if (prefixes & PREFIX_DATA)
20f0a1fc
NC
4837 {
4838 int add = 0;
4839 USED_REX (REX_EXTX);
4840 if (rex & REX_EXTX)
4841 add = 8;
4842 sprintf (scratchbuf, "%%xmm%d", reg + add);
4843 }
041bd2e0 4844 else
20f0a1fc 4845 sprintf (scratchbuf, "%%mm%d", reg);
d708bcba 4846 oappend (scratchbuf + intel_syntax);
252b5132
RH
4847}
4848
c608c12e 4849static void
26ca5450 4850OP_XMM (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
c608c12e 4851{
041bd2e0
JH
4852 int add = 0;
4853 USED_REX (REX_EXTX);
4854 if (rex & REX_EXTX)
4855 add = 8;
4856 sprintf (scratchbuf, "%%xmm%d", reg + add);
d708bcba 4857 oappend (scratchbuf + intel_syntax);
c608c12e
AM
4858}
4859
252b5132 4860static void
26ca5450 4861OP_EM (int bytemode, int sizeflag)
252b5132
RH
4862{
4863 if (mod != 3)
4864 {
9306ca4a
JB
4865 if (intel_syntax && bytemode == v_mode)
4866 {
4867 bytemode = (prefixes & PREFIX_DATA) ? x_mode : q_mode;
4868 used_prefixes |= (prefixes & PREFIX_DATA);
4869 }
252b5132
RH
4870 OP_E (bytemode, sizeflag);
4871 return;
4872 }
4873
6608db57 4874 /* Skip mod/rm byte. */
4bba6815 4875 MODRM_CHECK;
252b5132 4876 codep++;
041bd2e0
JH
4877 used_prefixes |= (prefixes & PREFIX_DATA);
4878 if (prefixes & PREFIX_DATA)
20f0a1fc
NC
4879 {
4880 int add = 0;
4881
4882 USED_REX (REX_EXTZ);
4883 if (rex & REX_EXTZ)
4884 add = 8;
4885 sprintf (scratchbuf, "%%xmm%d", rm + add);
4886 }
041bd2e0 4887 else
20f0a1fc 4888 sprintf (scratchbuf, "%%mm%d", rm);
d708bcba 4889 oappend (scratchbuf + intel_syntax);
252b5132
RH
4890}
4891
4d9567e0
MM
4892/* cvt* are the only instructions in sse2 which have
4893 both SSE and MMX operands and also have 0x66 prefix
4894 in their opcode. 0x66 was originally used to differentiate
4895 between SSE and MMX instruction(operands). So we have to handle the
4896 cvt* separately using OP_EMC and OP_MXC */
4897static void
4898OP_EMC (int bytemode, int sizeflag)
4899{
4900 if (mod != 3)
4901 {
4902 if (intel_syntax && bytemode == v_mode)
4903 {
4904 bytemode = (prefixes & PREFIX_DATA) ? x_mode : q_mode;
4905 used_prefixes |= (prefixes & PREFIX_DATA);
4906 }
4907 OP_E (bytemode, sizeflag);
4908 return;
4909 }
4910
4911 /* Skip mod/rm byte. */
4912 MODRM_CHECK;
4913 codep++;
4914 used_prefixes |= (prefixes & PREFIX_DATA);
4915 sprintf (scratchbuf, "%%mm%d", rm);
4916 oappend (scratchbuf + intel_syntax);
4917}
4918
4919static void
4920OP_MXC (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
4921{
4922 used_prefixes |= (prefixes & PREFIX_DATA);
4923 sprintf (scratchbuf, "%%mm%d", reg);
4924 oappend (scratchbuf + intel_syntax);
4925}
4926
c608c12e 4927static void
26ca5450 4928OP_EX (int bytemode, int sizeflag)
c608c12e 4929{
041bd2e0 4930 int add = 0;
c608c12e
AM
4931 if (mod != 3)
4932 {
9306ca4a
JB
4933 if (intel_syntax && bytemode == v_mode)
4934 {
4935 switch (prefixes & (PREFIX_DATA|PREFIX_REPZ|PREFIX_REPNZ))
4936 {
4937 case 0: bytemode = x_mode; break;
4938 case PREFIX_REPZ: bytemode = d_mode; used_prefixes |= PREFIX_REPZ; break;
4939 case PREFIX_DATA: bytemode = x_mode; used_prefixes |= PREFIX_DATA; break;
4940 case PREFIX_REPNZ: bytemode = q_mode; used_prefixes |= PREFIX_REPNZ; break;
4941 default: bytemode = 0; break;
4942 }
4943 }
c608c12e
AM
4944 OP_E (bytemode, sizeflag);
4945 return;
4946 }
041bd2e0
JH
4947 USED_REX (REX_EXTZ);
4948 if (rex & REX_EXTZ)
4949 add = 8;
c608c12e 4950
6608db57 4951 /* Skip mod/rm byte. */
4bba6815 4952 MODRM_CHECK;
c608c12e 4953 codep++;
041bd2e0 4954 sprintf (scratchbuf, "%%xmm%d", rm + add);
d708bcba 4955 oappend (scratchbuf + intel_syntax);
c608c12e
AM
4956}
4957
252b5132 4958static void
26ca5450 4959OP_MS (int bytemode, int sizeflag)
252b5132 4960{
2da11e11
AM
4961 if (mod == 3)
4962 OP_EM (bytemode, sizeflag);
4963 else
6608db57 4964 BadOp ();
252b5132
RH
4965}
4966
992aaec9 4967static void
26ca5450 4968OP_XS (int bytemode, int sizeflag)
992aaec9
AM
4969{
4970 if (mod == 3)
4971 OP_EX (bytemode, sizeflag);
4972 else
6608db57 4973 BadOp ();
992aaec9
AM
4974}
4975
cc0ec051
AM
4976static void
4977OP_M (int bytemode, int sizeflag)
4978{
4979 if (mod == 3)
4980 BadOp (); /* bad lea,lds,les,lfs,lgs,lss modrm */
4981 else
4982 OP_E (bytemode, sizeflag);
4983}
4984
4985static void
4986OP_0f07 (int bytemode, int sizeflag)
4987{
4988 if (mod != 3 || rm != 0)
4989 BadOp ();
4990 else
4991 OP_E (bytemode, sizeflag);
4992}
4993
4994static void
4995OP_0fae (int bytemode, int sizeflag)
4996{
4997 if (mod == 3)
4998 {
4999 if (reg == 7)
5000 strcpy (obuf + strlen (obuf) - sizeof ("clflush") + 1, "sfence");
5001
5002 if (reg < 5 || rm != 0)
5003 {
5004 BadOp (); /* bad sfence, mfence, or lfence */
5005 return;
5006 }
5007 }
5008 else if (reg != 7)
5009 {
5010 BadOp (); /* bad clflush */
5011 return;
5012 }
5013
5014 OP_E (bytemode, sizeflag);
5015}
5016
46e883c5
L
5017/* NOP is an alias of "xchg %ax,%ax" in 16bit mode, "xchg %eax,%eax" in
5018 32bit mode and "xchg %rax,%rax" in 64bit mode. NOP with REPZ prefix
5019 is called PAUSE. We display "xchg %ax,%ax" instead of "data16 nop".
5020 */
5021
cc0ec051 5022static void
46e883c5 5023NOP_Fixup1 (int bytemode, int sizeflag)
cc0ec051 5024{
cc0ec051
AM
5025 if (prefixes == PREFIX_REPZ)
5026 strcpy (obuf, "pause");
46e883c5
L
5027 else if (prefixes == PREFIX_DATA
5028 || ((rex & REX_MODE64) && rex != 0x48))
5029 OP_REG (bytemode, sizeflag);
5030 else
5031 strcpy (obuf, "nop");
5032}
5033
5034static void
5035NOP_Fixup2 (int bytemode, int sizeflag)
5036{
5037 if (prefixes == PREFIX_DATA
5038 || ((rex & REX_MODE64) && rex != 0x48))
5039 OP_IMREG (bytemode, sizeflag);
cc0ec051
AM
5040}
5041
84037f8c 5042static const char *const Suffix3DNow[] = {
252b5132
RH
5043/* 00 */ NULL, NULL, NULL, NULL,
5044/* 04 */ NULL, NULL, NULL, NULL,
5045/* 08 */ NULL, NULL, NULL, NULL,
9e525108 5046/* 0C */ "pi2fw", "pi2fd", NULL, NULL,
252b5132
RH
5047/* 10 */ NULL, NULL, NULL, NULL,
5048/* 14 */ NULL, NULL, NULL, NULL,
5049/* 18 */ NULL, NULL, NULL, NULL,
9e525108 5050/* 1C */ "pf2iw", "pf2id", NULL, NULL,
252b5132
RH
5051/* 20 */ NULL, NULL, NULL, NULL,
5052/* 24 */ NULL, NULL, NULL, NULL,
5053/* 28 */ NULL, NULL, NULL, NULL,
5054/* 2C */ NULL, NULL, NULL, NULL,
5055/* 30 */ NULL, NULL, NULL, NULL,
5056/* 34 */ NULL, NULL, NULL, NULL,
5057/* 38 */ NULL, NULL, NULL, NULL,
5058/* 3C */ NULL, NULL, NULL, NULL,
5059/* 40 */ NULL, NULL, NULL, NULL,
5060/* 44 */ NULL, NULL, NULL, NULL,
5061/* 48 */ NULL, NULL, NULL, NULL,
5062/* 4C */ NULL, NULL, NULL, NULL,
5063/* 50 */ NULL, NULL, NULL, NULL,
5064/* 54 */ NULL, NULL, NULL, NULL,
5065/* 58 */ NULL, NULL, NULL, NULL,
5066/* 5C */ NULL, NULL, NULL, NULL,
5067/* 60 */ NULL, NULL, NULL, NULL,
5068/* 64 */ NULL, NULL, NULL, NULL,
5069/* 68 */ NULL, NULL, NULL, NULL,
5070/* 6C */ NULL, NULL, NULL, NULL,
5071/* 70 */ NULL, NULL, NULL, NULL,
5072/* 74 */ NULL, NULL, NULL, NULL,
5073/* 78 */ NULL, NULL, NULL, NULL,
5074/* 7C */ NULL, NULL, NULL, NULL,
5075/* 80 */ NULL, NULL, NULL, NULL,
5076/* 84 */ NULL, NULL, NULL, NULL,
9e525108
AM
5077/* 88 */ NULL, NULL, "pfnacc", NULL,
5078/* 8C */ NULL, NULL, "pfpnacc", NULL,
252b5132
RH
5079/* 90 */ "pfcmpge", NULL, NULL, NULL,
5080/* 94 */ "pfmin", NULL, "pfrcp", "pfrsqrt",
5081/* 98 */ NULL, NULL, "pfsub", NULL,
5082/* 9C */ NULL, NULL, "pfadd", NULL,
5083/* A0 */ "pfcmpgt", NULL, NULL, NULL,
5084/* A4 */ "pfmax", NULL, "pfrcpit1", "pfrsqit1",
5085/* A8 */ NULL, NULL, "pfsubr", NULL,
5086/* AC */ NULL, NULL, "pfacc", NULL,
5087/* B0 */ "pfcmpeq", NULL, NULL, NULL,
5088/* B4 */ "pfmul", NULL, "pfrcpit2", "pfmulhrw",
9e525108 5089/* B8 */ NULL, NULL, NULL, "pswapd",
252b5132
RH
5090/* BC */ NULL, NULL, NULL, "pavgusb",
5091/* C0 */ NULL, NULL, NULL, NULL,
5092/* C4 */ NULL, NULL, NULL, NULL,
5093/* C8 */ NULL, NULL, NULL, NULL,
5094/* CC */ NULL, NULL, NULL, NULL,
5095/* D0 */ NULL, NULL, NULL, NULL,
5096/* D4 */ NULL, NULL, NULL, NULL,
5097/* D8 */ NULL, NULL, NULL, NULL,
5098/* DC */ NULL, NULL, NULL, NULL,
5099/* E0 */ NULL, NULL, NULL, NULL,
5100/* E4 */ NULL, NULL, NULL, NULL,
5101/* E8 */ NULL, NULL, NULL, NULL,
5102/* EC */ NULL, NULL, NULL, NULL,
5103/* F0 */ NULL, NULL, NULL, NULL,
5104/* F4 */ NULL, NULL, NULL, NULL,
5105/* F8 */ NULL, NULL, NULL, NULL,
5106/* FC */ NULL, NULL, NULL, NULL,
5107};
5108
5109static void
26ca5450 5110OP_3DNowSuffix (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
252b5132
RH
5111{
5112 const char *mnemonic;
5113
5114 FETCH_DATA (the_info, codep + 1);
5115 /* AMD 3DNow! instructions are specified by an opcode suffix in the
5116 place where an 8-bit immediate would normally go. ie. the last
5117 byte of the instruction. */
6608db57 5118 obufp = obuf + strlen (obuf);
c608c12e 5119 mnemonic = Suffix3DNow[*codep++ & 0xff];
252b5132 5120 if (mnemonic)
2da11e11 5121 oappend (mnemonic);
252b5132
RH
5122 else
5123 {
5124 /* Since a variable sized modrm/sib chunk is between the start
5125 of the opcode (0x0f0f) and the opcode suffix, we need to do
5126 all the modrm processing first, and don't know until now that
5127 we have a bad opcode. This necessitates some cleaning up. */
2da11e11
AM
5128 op1out[0] = '\0';
5129 op2out[0] = '\0';
6608db57 5130 BadOp ();
252b5132
RH
5131 }
5132}
c608c12e 5133
6608db57 5134static const char *simd_cmp_op[] = {
c608c12e
AM
5135 "eq",
5136 "lt",
5137 "le",
5138 "unord",
5139 "neq",
5140 "nlt",
5141 "nle",
5142 "ord"
5143};
5144
5145static void
26ca5450 5146OP_SIMD_Suffix (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
c608c12e
AM
5147{
5148 unsigned int cmp_type;
5149
5150 FETCH_DATA (the_info, codep + 1);
6608db57 5151 obufp = obuf + strlen (obuf);
c608c12e
AM
5152 cmp_type = *codep++ & 0xff;
5153 if (cmp_type < 8)
5154 {
041bd2e0
JH
5155 char suffix1 = 'p', suffix2 = 's';
5156 used_prefixes |= (prefixes & PREFIX_REPZ);
5157 if (prefixes & PREFIX_REPZ)
5158 suffix1 = 's';
5159 else
5160 {
5161 used_prefixes |= (prefixes & PREFIX_DATA);
5162 if (prefixes & PREFIX_DATA)
5163 suffix2 = 'd';
5164 else
5165 {
5166 used_prefixes |= (prefixes & PREFIX_REPNZ);
5167 if (prefixes & PREFIX_REPNZ)
5168 suffix1 = 's', suffix2 = 'd';
5169 }
5170 }
5171 sprintf (scratchbuf, "cmp%s%c%c",
5172 simd_cmp_op[cmp_type], suffix1, suffix2);
7d421014 5173 used_prefixes |= (prefixes & PREFIX_REPZ);
2da11e11 5174 oappend (scratchbuf);
c608c12e
AM
5175 }
5176 else
5177 {
5178 /* We have a bad extension byte. Clean up. */
2da11e11
AM
5179 op1out[0] = '\0';
5180 op2out[0] = '\0';
6608db57 5181 BadOp ();
c608c12e
AM
5182 }
5183}
5184
5185static void
26ca5450 5186SIMD_Fixup (int extrachar, int sizeflag ATTRIBUTE_UNUSED)
c608c12e
AM
5187{
5188 /* Change movlps/movhps to movhlps/movlhps for 2 register operand
5189 forms of these instructions. */
5190 if (mod == 3)
5191 {
6608db57
KH
5192 char *p = obuf + strlen (obuf);
5193 *(p + 1) = '\0';
5194 *p = *(p - 1);
5195 *(p - 1) = *(p - 2);
5196 *(p - 2) = *(p - 3);
5197 *(p - 3) = extrachar;
c608c12e
AM
5198 }
5199}
2da11e11 5200
ca164297 5201static void
4fd61dcb 5202PNI_Fixup (int extrachar ATTRIBUTE_UNUSED, int sizeflag)
ca164297 5203{
1d9f512f 5204 if (mod == 3 && reg == 1 && rm <= 1)
ca164297 5205 {
ca164297 5206 /* Override "sidt". */
cb712a9e
L
5207 size_t olen = strlen (obuf);
5208 char *p = obuf + olen - 4;
5209 const char **names = (address_mode == mode_64bit
5210 ? names64 : names32);
1d9f512f 5211
22cbf2e7 5212 /* We might have a suffix when disassembling with -Msuffix. */
1d9f512f
AM
5213 if (*p == 'i')
5214 --p;
5215
cb712a9e
L
5216 /* Remove "addr16/addr32" if we aren't in Intel mode. */
5217 if (!intel_syntax
5218 && (prefixes & PREFIX_ADDR)
5219 && olen >= (4 + 7)
5220 && *(p - 1) == ' '
0112cd26
NC
5221 && CONST_STRNEQ (p - 7, "addr")
5222 && (CONST_STRNEQ (p - 3, "16")
5223 || CONST_STRNEQ (p - 3, "32")))
cb712a9e
L
5224 p -= 7;
5225
ca164297
L
5226 if (rm)
5227 {
5228 /* mwait %eax,%ecx */
1d9f512f 5229 strcpy (p, "mwait");
6128c599 5230 if (!intel_syntax)
cb712a9e 5231 strcpy (op1out, names[0]);
ca164297
L
5232 }
5233 else
5234 {
5235 /* monitor %eax,%ecx,%edx" */
1d9f512f 5236 strcpy (p, "monitor");
6128c599
JB
5237 if (!intel_syntax)
5238 {
cb712a9e
L
5239 const char **op1_names;
5240 if (!(prefixes & PREFIX_ADDR))
5241 op1_names = (address_mode == mode_16bit
5242 ? names16 : names);
6128c599
JB
5243 else
5244 {
cb712a9e
L
5245 op1_names = (address_mode != mode_32bit
5246 ? names32 : names16);
6128c599
JB
5247 used_prefixes |= PREFIX_ADDR;
5248 }
cb712a9e
L
5249 strcpy (op1out, op1_names[0]);
5250 strcpy (op3out, names[2]);
6128c599
JB
5251 }
5252 }
5253 if (!intel_syntax)
5254 {
cb712a9e 5255 strcpy (op2out, names[1]);
6128c599 5256 two_source_ops = 1;
ca164297
L
5257 }
5258
5259 codep++;
5260 }
5261 else
30123838
JB
5262 OP_M (0, sizeflag);
5263}
5264
5265static void
5266SVME_Fixup (int bytemode, int sizeflag)
5267{
5268 const char *alt;
5269 char *p;
5270
5271 switch (*codep)
5272 {
5273 case 0xd8:
5274 alt = "vmrun";
5275 break;
5276 case 0xd9:
5277 alt = "vmmcall";
5278 break;
5279 case 0xda:
5280 alt = "vmload";
5281 break;
5282 case 0xdb:
5283 alt = "vmsave";
5284 break;
5285 case 0xdc:
5286 alt = "stgi";
5287 break;
5288 case 0xdd:
5289 alt = "clgi";
5290 break;
5291 case 0xde:
5292 alt = "skinit";
5293 break;
5294 case 0xdf:
5295 alt = "invlpga";
5296 break;
5297 default:
5298 OP_M (bytemode, sizeflag);
5299 return;
5300 }
5301 /* Override "lidt". */
5302 p = obuf + strlen (obuf) - 4;
5303 /* We might have a suffix. */
5304 if (*p == 'i')
5305 --p;
5306 strcpy (p, alt);
5307 if (!(prefixes & PREFIX_ADDR))
5308 {
5309 ++codep;
5310 return;
5311 }
5312 used_prefixes |= PREFIX_ADDR;
5313 switch (*codep++)
5314 {
5315 case 0xdf:
5316 strcpy (op2out, names32[1]);
5317 two_source_ops = 1;
5318 /* Fall through. */
5319 case 0xd8:
5320 case 0xda:
5321 case 0xdb:
5322 *obufp++ = open_char;
cb712a9e 5323 if (address_mode == mode_64bit || (sizeflag & AFLAG))
30123838
JB
5324 alt = names32[0];
5325 else
5326 alt = names16[0];
5327 strcpy (obufp, alt);
5328 obufp += strlen (alt);
5329 *obufp++ = close_char;
5330 *obufp = '\0';
5331 break;
5332 }
ca164297
L
5333}
5334
4fd61dcb
JJ
5335static void
5336INVLPG_Fixup (int bytemode, int sizeflag)
5337{
373ff435 5338 const char *alt;
4fd61dcb 5339
373ff435
JB
5340 switch (*codep)
5341 {
5342 case 0xf8:
5343 alt = "swapgs";
5344 break;
5345 case 0xf9:
5346 alt = "rdtscp";
5347 break;
5348 default:
30123838 5349 OP_M (bytemode, sizeflag);
373ff435 5350 return;
4fd61dcb 5351 }
373ff435
JB
5352 /* Override "invlpg". */
5353 strcpy (obuf + strlen (obuf) - 6, alt);
5354 codep++;
4fd61dcb
JJ
5355}
5356
6608db57
KH
5357static void
5358BadOp (void)
2da11e11 5359{
6608db57
KH
5360 /* Throw away prefixes and 1st. opcode byte. */
5361 codep = insn_codep + 1;
2da11e11
AM
5362 oappend ("(bad)");
5363}
4cc91dba
L
5364
5365static void
5366SEG_Fixup (int extrachar, int sizeflag)
5367{
5368 if (mod == 3)
5369 {
5370 /* We need to add a proper suffix with
5371
5372 movw %ds,%ax
5373 movl %ds,%eax
5374 movq %ds,%rax
5375 movw %ax,%ds
5376 movl %eax,%ds
5377 movq %rax,%ds
5378 */
5379 const char *suffix;
5380
5381 if (prefixes & PREFIX_DATA)
5382 suffix = "w";
5383 else
5384 {
5385 USED_REX (REX_MODE64);
5386 if (rex & REX_MODE64)
5387 suffix = "q";
5388 else
5389 suffix = "l";
5390 }
5391 strcat (obuf, suffix);
5392 }
5393 else
5394 {
5395 /* We need to fix the suffix for
5396
5397 movw %ds,(%eax)
5398 movw %ds,(%rax)
5399 movw (%eax),%ds
5400 movw (%rax),%ds
5401
5402 Override "mov[l|q]". */
5403 char *p = obuf + strlen (obuf) - 1;
5404
5405 /* We might not have a suffix. */
5406 if (*p == 'v')
5407 ++p;
5408 *p = 'w';
5409 }
5410
5411 OP_E (extrachar, sizeflag);
5412}
90700ea2
L
5413
5414static void
5415VMX_Fixup (int extrachar ATTRIBUTE_UNUSED, int sizeflag)
5416{
5417 if (mod == 3 && reg == 0 && rm >=1 && rm <= 4)
5418 {
5419 /* Override "sgdt". */
5420 char *p = obuf + strlen (obuf) - 4;
5421
22cbf2e7
L
5422 /* We might have a suffix when disassembling with -Msuffix. */
5423 if (*p == 'g')
90700ea2
L
5424 --p;
5425
5426 switch (rm)
5427 {
5428 case 1:
5429 strcpy (p, "vmcall");
5430 break;
5431 case 2:
5432 strcpy (p, "vmlaunch");
5433 break;
5434 case 3:
5435 strcpy (p, "vmresume");
5436 break;
5437 case 4:
5438 strcpy (p, "vmxoff");
5439 break;
5440 }
5441
5442 codep++;
5443 }
5444 else
5445 OP_E (0, sizeflag);
5446}
5447
5448static void
5449OP_VMX (int bytemode, int sizeflag)
5450{
5451 used_prefixes |= (prefixes & (PREFIX_DATA | PREFIX_REPZ));
5452 if (prefixes & PREFIX_DATA)
5453 strcpy (obuf, "vmclear");
5454 else if (prefixes & PREFIX_REPZ)
5455 strcpy (obuf, "vmxon");
5456 else
5457 strcpy (obuf, "vmptrld");
5458 OP_E (bytemode, sizeflag);
5459}
35c52694
L
5460
5461static void
5462REP_Fixup (int bytemode, int sizeflag)
5463{
5464 /* The 0xf3 prefix should be displayed as "rep" for ins, outs, movs,
5465 lods and stos. */
5466 size_t ilen = 0;
5467
5468 if (prefixes & PREFIX_REPZ)
5469 switch (*insn_codep)
5470 {
5471 case 0x6e: /* outsb */
5472 case 0x6f: /* outsw/outsl */
5473 case 0xa4: /* movsb */
5474 case 0xa5: /* movsw/movsl/movsq */
5475 if (!intel_syntax)
5476 ilen = 5;
5477 else
5478 ilen = 4;
5479 break;
5480 case 0xaa: /* stosb */
5481 case 0xab: /* stosw/stosl/stosq */
5482 case 0xac: /* lodsb */
5483 case 0xad: /* lodsw/lodsl/lodsq */
5484 if (!intel_syntax && (sizeflag & SUFFIX_ALWAYS))
5485 ilen = 5;
5486 else
5487 ilen = 4;
5488 break;
5489 case 0x6c: /* insb */
5490 case 0x6d: /* insl/insw */
5491 if (!intel_syntax)
5492 ilen = 4;
5493 else
5494 ilen = 3;
5495 break;
5496 default:
5497 abort ();
5498 break;
5499 }
5500
5501 if (ilen != 0)
5502 {
5503 size_t olen;
5504 char *p;
5505
5506 olen = strlen (obuf);
5507 p = obuf + olen - ilen - 1 - 4;
5508 /* Handle "repz [addr16|addr32]". */
5509 if ((prefixes & PREFIX_ADDR))
5510 p -= 1 + 6;
5511
5512 memmove (p + 3, p + 4, olen - (p + 3 - obuf));
5513 }
5514
5515 switch (bytemode)
5516 {
5517 case al_reg:
5518 case eAX_reg:
5519 case indir_dx_reg:
5520 OP_IMREG (bytemode, sizeflag);
5521 break;
5522 case eDI_reg:
5523 OP_ESreg (bytemode, sizeflag);
5524 break;
5525 case eSI_reg:
5526 OP_DSreg (bytemode, sizeflag);
5527 break;
5528 default:
5529 abort ();
5530 break;
5531 }
5532}
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