1 /*
2 *
3 * CDDL HEADER START
4 *
5 * The contents of this file are subject to the terms of the
6 * Common Development and Distribution License (the "License").
7 * You may not use this file except in compliance with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Copyright 2016 Joyent, Inc.
25 */
26
27 /*
28 * Copyright (c) 2010, Intel Corporation.
29 * All rights reserved.
30 */
31
32 /* Copyright (c) 1988 AT&T */
33 /* All Rights Reserved */
34
35 /*
36 * $FreeBSD$
37 */
38
39 #include "dis_tables.h"
40
41 /* BEGIN CSTYLED */
42
43 /*
44 * Disassembly begins in dis_distable, which is equivalent to the One-byte
45 * Opcode Map in the Intel IA32 ISA Reference (page A-6 in my copy). The
46 * decoding loops then traverse out through the other tables as necessary to
47 * decode a given instruction.
48 *
49 * The behavior of this file can be controlled by one of the following flags:
50 *
51 * DIS_TEXT Include text for disassembly
52 * DIS_MEM Include memory-size calculations
53 *
54 * Either or both of these can be defined.
55 *
56 * This file is not, and will never be, cstyled. If anything, the tables should
57 * be taken out another tab stop or two so nothing overlaps.
58 */
59
60 /*
61 * These functions must be provided for the consumer to do disassembly.
62 */
63 #ifdef DIS_TEXT
64 extern char *strncpy(char *, const char *, size_t);
65 extern size_t strlen(const char *);
66 extern int strcmp(const char *, const char *);
67 extern int strncmp(const char *, const char *, size_t);
68 extern size_t strlcat(char *, const char *, size_t);
69 #endif
70
71
72 #define TERM 0 /* used to indicate that the 'indirect' */
73 /* field terminates - no pointer. */
74
75 /* Used to decode instructions. */
76 typedef struct instable {
77 struct instable *it_indirect; /* for decode op codes */
78 uchar_t it_adrmode;
79 #ifdef DIS_TEXT
80 char it_name[NCPS];
81 uint_t it_suffix:1; /* mnem + "w", "l", or "d" */
82 #endif
83 #ifdef DIS_MEM
84 uint_t it_size:16;
85 #endif
86 uint_t it_invalid64:1; /* opcode invalid in amd64 */
87 uint_t it_always64:1; /* 64 bit when in 64 bit mode */
88 uint_t it_invalid32:1; /* invalid in IA32 */
89 uint_t it_stackop:1; /* push/pop stack operation */
90 uint_t it_vexwoxmm:1; /* VEX instructions that don't use XMM/YMM */
91 uint_t it_avxsuf:1; /* AVX suffix required */
92 } instable_t;
93
94 /*
95 * Instruction formats.
96 */
97 enum {
98 UNKNOWN,
99 MRw,
100 IMlw,
101 IMw,
102 IR,
103 OA,
104 AO,
105 MS,
106 SM,
107 Mv,
108 Mw,
109 M, /* register or memory */
110 MG9, /* register or memory in group 9 (prefix optional) */
111 Mb, /* register or memory, always byte sized */
112 MO, /* memory only (no registers) */
113 PREF,
114 SWAPGS_RDTSCP,
115 MONITOR_MWAIT,
116 R,
117 RA,
118 SEG,
119 MR,
120 RM,
121 RM_66r, /* RM, but with a required 0x66 prefix */
122 IA,
123 MA,
124 SD,
125 AD,
126 SA,
127 D,
128 INM,
129 SO,
130 BD,
131 I,
132 P,
133 V,
134 DSHIFT, /* for double shift that has an 8-bit immediate */
135 U,
136 OVERRIDE,
137 NORM, /* instructions w/o ModR/M byte, no memory access */
138 IMPLMEM, /* instructions w/o ModR/M byte, implicit mem access */
139 O, /* for call */
140 JTAB, /* jump table */
141 IMUL, /* for 186 iimul instr */
142 CBW, /* so data16 can be evaluated for cbw and variants */
143 MvI, /* for 186 logicals */
144 ENTER, /* for 186 enter instr */
145 RMw, /* for 286 arpl instr */
146 Ib, /* for push immediate byte */
147 F, /* for 287 instructions */
148 FF, /* for 287 instructions */
149 FFC, /* for 287 instructions */
150 DM, /* 16-bit data */
151 AM, /* 16-bit addr */
152 LSEG, /* for 3-bit seg reg encoding */
153 MIb, /* for 386 logicals */
154 SREG, /* for 386 special registers */
155 PREFIX, /* a REP instruction prefix */
156 LOCK, /* a LOCK instruction prefix */
157 INT3, /* The int 3 instruction, which has a fake operand */
158 INTx, /* The normal int instruction, with explicit int num */
159 DSHIFTcl, /* for double shift that implicitly uses %cl */
160 CWD, /* so data16 can be evaluated for cwd and variants */
161 RET, /* single immediate 16-bit operand */
162 MOVZ, /* for movs and movz, with different size operands */
163 CRC32, /* for crc32, with different size operands */
164 XADDB, /* for xaddb */
165 MOVSXZ, /* AMD64 mov sign extend 32 to 64 bit instruction */
166 MOVBE, /* movbe instruction */
167
168 /*
169 * MMX/SIMD addressing modes.
170 */
171
172 MMO, /* Prefixable MMX/SIMD-Int mm/mem -> mm */
173 MMOIMPL, /* Prefixable MMX/SIMD-Int mm -> mm (mem) */
174 MMO3P, /* Prefixable MMX/SIMD-Int mm -> r32,imm8 */
175 MMOM3, /* Prefixable MMX/SIMD-Int mm -> r32 */
176 MMOS, /* Prefixable MMX/SIMD-Int mm -> mm/mem */
177 MMOMS, /* Prefixable MMX/SIMD-Int mm -> mem */
178 MMOPM, /* MMX/SIMD-Int mm/mem -> mm,imm8 */
179 MMOPM_66o, /* MMX/SIMD-Int 0x66 optional mm/mem -> mm,imm8 */
180 MMOPRM, /* Prefixable MMX/SIMD-Int r32/mem -> mm,imm8 */
181 MMOSH, /* Prefixable MMX mm,imm8 */
182 MM, /* MMX/SIMD-Int mm/mem -> mm */
183 MMS, /* MMX/SIMD-Int mm -> mm/mem */
184 MMSH, /* MMX mm,imm8 */
185 XMMO, /* Prefixable SIMD xmm/mem -> xmm */
186 XMMOS, /* Prefixable SIMD xmm -> xmm/mem */
187 XMMOPM, /* Prefixable SIMD xmm/mem w/to xmm,imm8 */
188 XMMOMX, /* Prefixable SIMD mm/mem -> xmm */
189 XMMOX3, /* Prefixable SIMD xmm -> r32 */
190 XMMOXMM, /* Prefixable SIMD xmm/mem -> mm */
191 XMMOM, /* Prefixable SIMD xmm -> mem */
192 XMMOMS, /* Prefixable SIMD mem -> xmm */
193 XMM, /* SIMD xmm/mem -> xmm */
194 XMM_66r, /* SIMD 0x66 prefix required xmm/mem -> xmm */
195 XMM_66o, /* SIMD 0x66 prefix optional xmm/mem -> xmm */
196 XMMXIMPL, /* SIMD xmm -> xmm (mem) */
197 XMM3P, /* SIMD xmm -> r32,imm8 */
198 XMM3PM_66r, /* SIMD 0x66 prefix required xmm -> r32/mem,imm8 */
199 XMMP, /* SIMD xmm/mem w/to xmm,imm8 */
200 XMMP_66o, /* SIMD 0x66 prefix optional xmm/mem w/to xmm,imm8 */
201 XMMP_66r, /* SIMD 0x66 prefix required xmm/mem w/to xmm,imm8 */
202 XMMPRM, /* SIMD r32/mem -> xmm,imm8 */
203 XMMPRM_66r, /* SIMD 0x66 prefix required r32/mem -> xmm,imm8 */
204 XMMS, /* SIMD xmm -> xmm/mem */
205 XMMM, /* SIMD mem -> xmm */
206 XMMM_66r, /* SIMD 0x66 prefix required mem -> xmm */
207 XMMMS, /* SIMD xmm -> mem */
208 XMM3MX, /* SIMD r32/mem -> xmm */
209 XMM3MXS, /* SIMD xmm -> r32/mem */
210 XMMSH, /* SIMD xmm,imm8 */
211 XMMXM3, /* SIMD xmm/mem -> r32 */
212 XMMX3, /* SIMD xmm -> r32 */
213 XMMXMM, /* SIMD xmm/mem -> mm */
214 XMMMX, /* SIMD mm -> xmm */
215 XMMXM, /* SIMD xmm -> mm */
216 XMMX2I, /* SIMD xmm -> xmm, imm, imm */
217 XMM2I, /* SIMD xmm, imm, imm */
218 XMMFENCE, /* SIMD lfence or mfence */
219 XMMSFNC, /* SIMD sfence (none or mem) */
220 XGETBV_XSETBV,
221 VEX_NONE, /* VEX no operand */
222 VEX_MO, /* VEX mod_rm -> implicit reg */
223 VEX_RMrX, /* VEX VEX.vvvv, mod_rm -> mod_reg */
224 VEX_VRMrX, /* VEX mod_rm, VEX.vvvv -> mod_rm */
225 VEX_RRX, /* VEX VEX.vvvv, mod_reg -> mod_rm */
226 VEX_RMRX, /* VEX VEX.vvvv, mod_rm, imm8[7:4] -> mod_reg */
227 VEX_MX, /* VEX mod_rm -> mod_reg */
228 VEX_MXI, /* VEX mod_rm, imm8 -> mod_reg */
229 VEX_XXI, /* VEX mod_rm, imm8 -> VEX.vvvv */
230 VEX_MR, /* VEX mod_rm -> mod_reg */
231 VEX_RRI, /* VEX mod_reg, mod_rm -> implicit(eflags/r32) */
232 VEX_RX, /* VEX mod_reg -> mod_rm */
233 VEX_RR, /* VEX mod_rm -> mod_reg */
234 VEX_RRi, /* VEX mod_rm, imm8 -> mod_reg */
235 VEX_RM, /* VEX mod_reg -> mod_rm */
236 VEX_RIM, /* VEX mod_reg, imm8 -> mod_rm */
237 VEX_RRM, /* VEX VEX.vvvv, mod_reg -> mod_rm */
238 VEX_RMX, /* VEX VEX.vvvv, mod_rm -> mod_reg */
239 VEX_SbVM, /* VEX SIB, VEX.vvvv -> mod_rm */
240 VMx, /* vmcall/vmlaunch/vmresume/vmxoff */
241 VMxo, /* VMx instruction with optional prefix */
242 SVM, /* AMD SVM instructions */
243 BLS, /* BLSR, BLSMSK, BLSI */
244 FMA, /* FMA instructions, all VEX_RMrX */
245 ADX /* ADX instructions, support REX.w, mod_rm->mod_reg */
246 };
247
248 /*
249 * VEX prefixes
250 */
251 #define VEX_2bytes 0xC5 /* the first byte of two-byte form */
252 #define VEX_3bytes 0xC4 /* the first byte of three-byte form */
253
254 #define FILL 0x90 /* Fill byte used for alignment (nop) */
255
256 /*
257 ** Register numbers for the i386
258 */
259 #define EAX_REGNO 0
260 #define ECX_REGNO 1
261 #define EDX_REGNO 2
262 #define EBX_REGNO 3
263 #define ESP_REGNO 4
264 #define EBP_REGNO 5
265 #define ESI_REGNO 6
266 #define EDI_REGNO 7
267
268 /*
269 * modes for immediate values
270 */
271 #define MODE_NONE 0
272 #define MODE_IPREL 1 /* signed IP relative value */
273 #define MODE_SIGNED 2 /* sign extended immediate */
274 #define MODE_IMPLIED 3 /* constant value implied from opcode */
275 #define MODE_OFFSET 4 /* offset part of an address */
276 #define MODE_RIPREL 5 /* like IPREL, but from %rip (amd64) */
277
278 /*
279 * The letters used in these macros are:
280 * IND - indirect to another to another table
281 * "T" - means to Terminate indirections (this is the final opcode)
282 * "S" - means "operand length suffix required"
283 * "Sa" - means AVX2 suffix (d/q) required
284 * "NS" - means "no suffix" which is the operand length suffix of the opcode
285 * "Z" - means instruction size arg required
286 * "u" - means the opcode is invalid in IA32 but valid in amd64
287 * "x" - means the opcode is invalid in amd64, but not IA32
288 * "y" - means the operand size is always 64 bits in 64 bit mode
289 * "p" - means push/pop stack operation
290 * "vr" - means VEX instruction that operates on normal registers, not fpu
291 */
292
293 #if defined(DIS_TEXT) && defined(DIS_MEM)
294 #define IND(table) {(instable_t *)table, 0, "", 0, 0, 0, 0, 0, 0}
295 #define INDx(table) {(instable_t *)table, 0, "", 0, 0, 1, 0, 0, 0}
296 #define TNS(name, amode) {TERM, amode, name, 0, 0, 0, 0, 0, 0}
297 #define TNSu(name, amode) {TERM, amode, name, 0, 0, 0, 0, 1, 0}
298 #define TNSx(name, amode) {TERM, amode, name, 0, 0, 1, 0, 0, 0}
299 #define TNSy(name, amode) {TERM, amode, name, 0, 0, 0, 1, 0, 0}
300 #define TNSyp(name, amode) {TERM, amode, name, 0, 0, 0, 1, 0, 1}
301 #define TNSZ(name, amode, sz) {TERM, amode, name, 0, sz, 0, 0, 0, 0}
302 #define TNSZy(name, amode, sz) {TERM, amode, name, 0, sz, 0, 1, 0, 0}
303 #define TNSZvr(name, amode, sz) {TERM, amode, name, 0, sz, 0, 0, 0, 0, 1}
304 #define TS(name, amode) {TERM, amode, name, 1, 0, 0, 0, 0, 0}
305 #define TSx(name, amode) {TERM, amode, name, 1, 0, 1, 0, 0, 0}
306 #define TSy(name, amode) {TERM, amode, name, 1, 0, 0, 1, 0, 0}
307 #define TSp(name, amode) {TERM, amode, name, 1, 0, 0, 0, 0, 1}
308 #define TSZ(name, amode, sz) {TERM, amode, name, 1, sz, 0, 0, 0, 0}
309 #define TSaZ(name, amode, sz) {TERM, amode, name, 1, sz, 0, 0, 0, 0, 0, 1}
310 #define TSZx(name, amode, sz) {TERM, amode, name, 1, sz, 1, 0, 0, 0}
311 #define TSZy(name, amode, sz) {TERM, amode, name, 1, sz, 0, 1, 0, 0}
312 #define INVALID {TERM, UNKNOWN, "", 0, 0, 0, 0, 0}
313 #elif defined(DIS_TEXT)
314 #define IND(table) {(instable_t *)table, 0, "", 0, 0, 0, 0, 0}
315 #define INDx(table) {(instable_t *)table, 0, "", 0, 1, 0, 0, 0}
316 #define TNS(name, amode) {TERM, amode, name, 0, 0, 0, 0, 0}
317 #define TNSu(name, amode) {TERM, amode, name, 0, 0, 0, 1, 0}
318 #define TNSx(name, amode) {TERM, amode, name, 0, 1, 0, 0, 0}
319 #define TNSy(name, amode) {TERM, amode, name, 0, 0, 1, 0, 0}
320 #define TNSyp(name, amode) {TERM, amode, name, 0, 0, 1, 0, 1}
321 #define TNSZ(name, amode, sz) {TERM, amode, name, 0, 0, 0, 0, 0}
322 #define TNSZy(name, amode, sz) {TERM, amode, name, 0, 0, 1, 0, 0}
323 #define TNSZvr(name, amode, sz) {TERM, amode, name, 0, 0, 0, 0, 0, 1}
324 #define TS(name, amode) {TERM, amode, name, 1, 0, 0, 0, 0}
325 #define TSx(name, amode) {TERM, amode, name, 1, 1, 0, 0, 0}
326 #define TSy(name, amode) {TERM, amode, name, 1, 0, 1, 0, 0}
327 #define TSp(name, amode) {TERM, amode, name, 1, 0, 0, 0, 1}
328 #define TSZ(name, amode, sz) {TERM, amode, name, 1, 0, 0, 0, 0}
329 #define TSaZ(name, amode, sz) {TERM, amode, name, 1, 0, 0, 0, 0, 0, 1}
330 #define TSZx(name, amode, sz) {TERM, amode, name, 1, 1, 0, 0, 0}
331 #define TSZy(name, amode, sz) {TERM, amode, name, 1, 0, 1, 0, 0}
332 #define INVALID {TERM, UNKNOWN, "", 0, 0, 0, 0, 0}
333 #elif defined(DIS_MEM)
334 #define IND(table) {(instable_t *)table, 0, 0, 0, 0, 0, 0}
335 #define INDx(table) {(instable_t *)table, 0, 0, 1, 0, 0, 0}
336 #define TNS(name, amode) {TERM, amode, 0, 0, 0, 0, 0}
337 #define TNSu(name, amode) {TERM, amode, 0, 0, 0, 1, 0}
338 #define TNSy(name, amode) {TERM, amode, 0, 0, 1, 0, 0}
339 #define TNSyp(name, amode) {TERM, amode, 0, 0, 1, 0, 1}
340 #define TNSx(name, amode) {TERM, amode, 0, 1, 0, 0, 0}
341 #define TNSZ(name, amode, sz) {TERM, amode, sz, 0, 0, 0, 0}
342 #define TNSZy(name, amode, sz) {TERM, amode, sz, 0, 1, 0, 0}
343 #define TNSZvr(name, amode, sz) {TERM, amode, sz, 0, 0, 0, 0, 1}
344 #define TS(name, amode) {TERM, amode, 0, 0, 0, 0, 0}
345 #define TSx(name, amode) {TERM, amode, 0, 1, 0, 0, 0}
346 #define TSy(name, amode) {TERM, amode, 0, 0, 1, 0, 0}
347 #define TSp(name, amode) {TERM, amode, 0, 0, 0, 0, 1}
348 #define TSZ(name, amode, sz) {TERM, amode, sz, 0, 0, 0, 0}
349 #define TSaZ(name, amode, sz) {TERM, amode, sz, 0, 0, 0, 0, 0, 1}
350 #define TSZx(name, amode, sz) {TERM, amode, sz, 1, 0, 0, 0}
351 #define TSZy(name, amode, sz) {TERM, amode, sz, 0, 1, 0, 0}
352 #define INVALID {TERM, UNKNOWN, 0, 0, 0, 0, 0}
353 #else
354 #define IND(table) {(instable_t *)table, 0, 0, 0, 0, 0}
355 #define INDx(table) {(instable_t *)table, 0, 1, 0, 0, 0}
356 #define TNS(name, amode) {TERM, amode, 0, 0, 0, 0}
357 #define TNSu(name, amode) {TERM, amode, 0, 0, 1, 0}
358 #define TNSy(name, amode) {TERM, amode, 0, 1, 0, 0}
359 #define TNSyp(name, amode) {TERM, amode, 0, 1, 0, 1}
360 #define TNSx(name, amode) {TERM, amode, 1, 0, 0, 0}
361 #define TNSZ(name, amode, sz) {TERM, amode, 0, 0, 0, 0}
362 #define TNSZy(name, amode, sz) {TERM, amode, 0, 1, 0, 0}
363 #define TNSZvr(name, amode, sz) {TERM, amode, 0, 0, 0, 0, 1}
364 #define TS(name, amode) {TERM, amode, 0, 0, 0, 0}
365 #define TSx(name, amode) {TERM, amode, 1, 0, 0, 0}
366 #define TSy(name, amode) {TERM, amode, 0, 1, 0, 0}
367 #define TSp(name, amode) {TERM, amode, 0, 0, 0, 1}
368 #define TSZ(name, amode, sz) {TERM, amode, 0, 0, 0, 0}
369 #define TSaZ(name, amode, sz) {TERM, amode, 0, 0, 0, 0, 0, 1}
370 #define TSZx(name, amode, sz) {TERM, amode, 1, 0, 0, 0}
371 #define TSZy(name, amode, sz) {TERM, amode, 0, 1, 0, 0}
372 #define INVALID {TERM, UNKNOWN, 0, 0, 0, 0}
373 #endif
374
375 #ifdef DIS_TEXT
376 /*
377 * this decodes the r_m field for mode's 0, 1, 2 in 16 bit mode
378 */
379 const char *const dis_addr16[3][8] = {
380 "(%bx,%si)", "(%bx,%di)", "(%bp,%si)", "(%bp,%di)", "(%si)", "(%di)", "",
381 "(%bx)",
382 "(%bx,%si)", "(%bx,%di)", "(%bp,%si)", "(%bp,%di)", "(%si)", "(%di", "(%bp)",
383 "(%bx)",
384 "(%bx,%si)", "(%bx,%di)", "(%bp,%si)", "(%bp,%di)", "(%si)", "(%di)", "(%bp)",
385 "(%bx)",
386 };
387
388
389 /*
390 * This decodes 32 bit addressing mode r_m field for modes 0, 1, 2
391 */
392 const char *const dis_addr32_mode0[16] = {
393 "(%eax)", "(%ecx)", "(%edx)", "(%ebx)", "", "", "(%esi)", "(%edi)",
394 "(%r8d)", "(%r9d)", "(%r10d)", "(%r11d)", "", "", "(%r14d)", "(%r15d)"
395 };
396
397 const char *const dis_addr32_mode12[16] = {
398 "(%eax)", "(%ecx)", "(%edx)", "(%ebx)", "", "(%ebp)", "(%esi)", "(%edi)",
399 "(%r8d)", "(%r9d)", "(%r10d)", "(%r11d)", "", "(%r13d)", "(%r14d)", "(%r15d)"
400 };
401
402 /*
403 * This decodes 64 bit addressing mode r_m field for modes 0, 1, 2
404 */
405 const char *const dis_addr64_mode0[16] = {
406 "(%rax)", "(%rcx)", "(%rdx)", "(%rbx)", "", "(%rip)", "(%rsi)", "(%rdi)",
407 "(%r8)", "(%r9)", "(%r10)", "(%r11)", "(%r12)", "(%rip)", "(%r14)", "(%r15)"
408 };
409 const char *const dis_addr64_mode12[16] = {
410 "(%rax)", "(%rcx)", "(%rdx)", "(%rbx)", "", "(%rbp)", "(%rsi)", "(%rdi)",
411 "(%r8)", "(%r9)", "(%r10)", "(%r11)", "(%r12)", "(%r13)", "(%r14)", "(%r15)"
412 };
413
414 /*
415 * decode for scale from SIB byte
416 */
417 const char *const dis_scale_factor[4] = { ")", ",2)", ",4)", ",8)" };
418
419 /*
420 * decode for scale from VSIB byte, note that we always include the scale factor
421 * to match gas.
422 */
423 const char *const dis_vscale_factor[4] = { ",1)", ",2)", ",4)", ",8)" };
424
425 /*
426 * register decoding for normal references to registers (ie. not addressing)
427 */
428 const char *const dis_REG8[16] = {
429 "%al", "%cl", "%dl", "%bl", "%ah", "%ch", "%dh", "%bh",
430 "%r8b", "%r9b", "%r10b", "%r11b", "%r12b", "%r13b", "%r14b", "%r15b"
431 };
432
433 const char *const dis_REG8_REX[16] = {
434 "%al", "%cl", "%dl", "%bl", "%spl", "%bpl", "%sil", "%dil",
435 "%r8b", "%r9b", "%r10b", "%r11b", "%r12b", "%r13b", "%r14b", "%r15b"
436 };
437
438 const char *const dis_REG16[16] = {
439 "%ax", "%cx", "%dx", "%bx", "%sp", "%bp", "%si", "%di",
440 "%r8w", "%r9w", "%r10w", "%r11w", "%r12w", "%r13w", "%r14w", "%r15w"
441 };
442
443 const char *const dis_REG32[16] = {
444 "%eax", "%ecx", "%edx", "%ebx", "%esp", "%ebp", "%esi", "%edi",
445 "%r8d", "%r9d", "%r10d", "%r11d", "%r12d", "%r13d", "%r14d", "%r15d"
446 };
447
448 const char *const dis_REG64[16] = {
449 "%rax", "%rcx", "%rdx", "%rbx", "%rsp", "%rbp", "%rsi", "%rdi",
450 "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15"
451 };
452
453 const char *const dis_DEBUGREG[16] = {
454 "%db0", "%db1", "%db2", "%db3", "%db4", "%db5", "%db6", "%db7",
455 "%db8", "%db9", "%db10", "%db11", "%db12", "%db13", "%db14", "%db15"
456 };
457
458 const char *const dis_CONTROLREG[16] = {
459 "%cr0", "%cr1", "%cr2", "%cr3", "%cr4", "%cr5?", "%cr6?", "%cr7?",
460 "%cr8", "%cr9?", "%cr10?", "%cr11?", "%cr12?", "%cr13?", "%cr14?", "%cr15?"
461 };
462
463 const char *const dis_TESTREG[16] = {
464 "%tr0?", "%tr1?", "%tr2?", "%tr3", "%tr4", "%tr5", "%tr6", "%tr7",
465 "%tr0?", "%tr1?", "%tr2?", "%tr3", "%tr4", "%tr5", "%tr6", "%tr7"
466 };
467
468 const char *const dis_MMREG[16] = {
469 "%mm0", "%mm1", "%mm2", "%mm3", "%mm4", "%mm5", "%mm6", "%mm7",
470 "%mm0", "%mm1", "%mm2", "%mm3", "%mm4", "%mm5", "%mm6", "%mm7"
471 };
472
473 const char *const dis_XMMREG[16] = {
474 "%xmm0", "%xmm1", "%xmm2", "%xmm3", "%xmm4", "%xmm5", "%xmm6", "%xmm7",
475 "%xmm8", "%xmm9", "%xmm10", "%xmm11", "%xmm12", "%xmm13", "%xmm14", "%xmm15"
476 };
477
478 const char *const dis_YMMREG[16] = {
479 "%ymm0", "%ymm1", "%ymm2", "%ymm3", "%ymm4", "%ymm5", "%ymm6", "%ymm7",
480 "%ymm8", "%ymm9", "%ymm10", "%ymm11", "%ymm12", "%ymm13", "%ymm14", "%ymm15"
481 };
482
483 const char *const dis_SEGREG[16] = {
484 "%es", "%cs", "%ss", "%ds", "%fs", "%gs", "<reserved>", "<reserved>",
485 "%es", "%cs", "%ss", "%ds", "%fs", "%gs", "<reserved>", "<reserved>"
486 };
487
488 /*
489 * SIMD predicate suffixes
490 */
491 const char *const dis_PREDSUFFIX[8] = {
492 "eq", "lt", "le", "unord", "neq", "nlt", "nle", "ord"
493 };
494
495 const char *const dis_AVXvgrp7[3][8] = {
496 /*0 1 2 3 4 5 6 7*/
497 /*71*/ {"", "", "vpsrlw", "", "vpsraw", "", "vpsllw", ""},
498 /*72*/ {"", "", "vpsrld", "", "vpsrad", "", "vpslld", ""},
499 /*73*/ {"", "", "vpsrlq", "vpsrldq", "", "", "vpsllq", "vpslldq"}
500 };
501
502 #endif /* DIS_TEXT */
503
504 /*
505 * "decode table" for 64 bit mode MOVSXD instruction (opcode 0x63)
506 */
507 const instable_t dis_opMOVSLD = TNS("movslq",MOVSXZ);
508
509 /*
510 * "decode table" for pause and clflush instructions
511 */
512 const instable_t dis_opPause = TNS("pause", NORM);
513
514 /*
515 * Decode table for 0x0F00 opcodes
516 */
517 const instable_t dis_op0F00[8] = {
518
519 /* [0] */ TNS("sldt",M), TNS("str",M), TNSy("lldt",M), TNSy("ltr",M),
520 /* [4] */ TNSZ("verr",M,2), TNSZ("verw",M,2), INVALID, INVALID,
521 };
522
523
524 /*
525 * Decode table for 0x0F01 opcodes
526 */
527 const instable_t dis_op0F01[8] = {
528
529 /* [0] */ TNSZ("sgdt",VMx,6), TNSZ("sidt",MONITOR_MWAIT,6), TNSZ("lgdt",XGETBV_XSETBV,6), TNSZ("lidt",SVM,6),
530 /* [4] */ TNSZ("smsw",M,2), INVALID, TNSZ("lmsw",M,2), TNS("invlpg",SWAPGS_RDTSCP),
531 };
532
533 /*
534 * Decode table for 0x0F18 opcodes -- SIMD prefetch
535 */
536 const instable_t dis_op0F18[8] = {
537
538 /* [0] */ TNS("prefetchnta",PREF),TNS("prefetcht0",PREF), TNS("prefetcht1",PREF), TNS("prefetcht2",PREF),
539 /* [4] */ INVALID, INVALID, INVALID, INVALID,
540 };
541
542 /*
543 * Decode table for 0x0FAE opcodes -- SIMD state save/restore
544 */
545 const instable_t dis_op0FAE[8] = {
546 /* [0] */ TNSZ("fxsave",M,512), TNSZ("fxrstor",M,512), TNS("ldmxcsr",M), TNS("stmxcsr",M),
547 /* [4] */ TNSZ("xsave",M,512), TNS("lfence",XMMFENCE), TNS("mfence",XMMFENCE), TNS("sfence",XMMSFNC),
548 };
549
550 /*
551 * Decode table for 0x0FBA opcodes
552 */
553
554 const instable_t dis_op0FBA[8] = {
555
556 /* [0] */ INVALID, INVALID, INVALID, INVALID,
557 /* [4] */ TS("bt",MIb), TS("bts",MIb), TS("btr",MIb), TS("btc",MIb),
558 };
559
560 /*
561 * Decode table for 0x0FC7 opcode (group 9)
562 */
563
564 const instable_t dis_op0FC7[8] = {
565
566 /* [0] */ INVALID, TNS("cmpxchg8b",M), INVALID, INVALID,
567 /* [4] */ INVALID, INVALID, TNS("vmptrld",MG9), TNS("vmptrst",MG9),
568 };
569
570 /*
571 * Decode table for 0x0FC7 opcode (group 9) mode 3
572 */
573
574 const instable_t dis_op0FC7m3[8] = {
575
576 /* [0] */ INVALID, INVALID, INVALID, INVALID,
577 /* [4] */ INVALID, INVALID, TNS("rdrand",MG9), TNS("rdseed", MG9),
578 };
579
580 /*
581 * Decode table for 0x0FC7 opcode with 0x66 prefix
582 */
583
584 const instable_t dis_op660FC7[8] = {
585
586 /* [0] */ INVALID, INVALID, INVALID, INVALID,
587 /* [4] */ INVALID, INVALID, TNS("vmclear",M), INVALID,
588 };
589
590 /*
591 * Decode table for 0x0FC7 opcode with 0xF3 prefix
592 */
593
594 const instable_t dis_opF30FC7[8] = {
595
596 /* [0] */ INVALID, INVALID, INVALID, INVALID,
597 /* [4] */ INVALID, INVALID, TNS("vmxon",M), INVALID,
598 };
599
600 /*
601 * Decode table for 0x0FC8 opcode -- 486 bswap instruction
602 *
603 *bit pattern: 0000 1111 1100 1reg
604 */
605 const instable_t dis_op0FC8[4] = {
606 /* [0] */ TNS("bswap",R), INVALID, INVALID, INVALID,
607 };
608
609 /*
610 * Decode table for 0x0F71, 0x0F72, and 0x0F73 opcodes -- MMX instructions
611 */
612 const instable_t dis_op0F7123[4][8] = {
613 {
614 /* [70].0 */ INVALID, INVALID, INVALID, INVALID,
615 /* .4 */ INVALID, INVALID, INVALID, INVALID,
616 }, {
617 /* [71].0 */ INVALID, INVALID, TNS("psrlw",MMOSH), INVALID,
618 /* .4 */ TNS("psraw",MMOSH), INVALID, TNS("psllw",MMOSH), INVALID,
619 }, {
620 /* [72].0 */ INVALID, INVALID, TNS("psrld",MMOSH), INVALID,
621 /* .4 */ TNS("psrad",MMOSH), INVALID, TNS("pslld",MMOSH), INVALID,
622 }, {
623 /* [73].0 */ INVALID, INVALID, TNS("psrlq",MMOSH), TNS("INVALID",MMOSH),
624 /* .4 */ INVALID, INVALID, TNS("psllq",MMOSH), TNS("INVALID",MMOSH),
625 } };
626
627 /*
628 * Decode table for SIMD extensions to above 0x0F71-0x0F73 opcodes.
629 */
630 const instable_t dis_opSIMD7123[32] = {
631 /* [70].0 */ INVALID, INVALID, INVALID, INVALID,
632 /* .4 */ INVALID, INVALID, INVALID, INVALID,
633
634 /* [71].0 */ INVALID, INVALID, TNS("psrlw",XMMSH), INVALID,
635 /* .4 */ TNS("psraw",XMMSH), INVALID, TNS("psllw",XMMSH), INVALID,
636
637 /* [72].0 */ INVALID, INVALID, TNS("psrld",XMMSH), INVALID,
638 /* .4 */ TNS("psrad",XMMSH), INVALID, TNS("pslld",XMMSH), INVALID,
639
640 /* [73].0 */ INVALID, INVALID, TNS("psrlq",XMMSH), TNS("psrldq",XMMSH),
641 /* .4 */ INVALID, INVALID, TNS("psllq",XMMSH), TNS("pslldq",XMMSH),
642 };
643
644 /*
645 * SIMD instructions have been wedged into the existing IA32 instruction
646 * set through the use of prefixes. That is, while 0xf0 0x58 may be
647 * addps, 0xf3 0xf0 0x58 (literally, repz addps) is a completely different
648 * instruction - addss. At present, three prefixes have been coopted in
649 * this manner - address size (0x66), repnz (0xf2) and repz (0xf3). The
650 * following tables are used to provide the prefixed instruction names.
651 * The arrays are sparse, but they're fast.
652 */
653
654 /*
655 * Decode table for SIMD instructions with the address size (0x66) prefix.
656 */
657 const instable_t dis_opSIMDdata16[256] = {
658 /* [00] */ INVALID, INVALID, INVALID, INVALID,
659 /* [04] */ INVALID, INVALID, INVALID, INVALID,
660 /* [08] */ INVALID, INVALID, INVALID, INVALID,
661 /* [0C] */ INVALID, INVALID, INVALID, INVALID,
662
663 /* [10] */ TNSZ("movupd",XMM,16), TNSZ("movupd",XMMS,16), TNSZ("movlpd",XMMM,8), TNSZ("movlpd",XMMMS,8),
664 /* [14] */ TNSZ("unpcklpd",XMM,16),TNSZ("unpckhpd",XMM,16),TNSZ("movhpd",XMMM,8), TNSZ("movhpd",XMMMS,8),
665 /* [18] */ INVALID, INVALID, INVALID, INVALID,
666 /* [1C] */ INVALID, INVALID, INVALID, INVALID,
667
668 /* [20] */ INVALID, INVALID, INVALID, INVALID,
669 /* [24] */ INVALID, INVALID, INVALID, INVALID,
670 /* [28] */ TNSZ("movapd",XMM,16), TNSZ("movapd",XMMS,16), TNSZ("cvtpi2pd",XMMOMX,8),TNSZ("movntpd",XMMOMS,16),
671 /* [2C] */ TNSZ("cvttpd2pi",XMMXMM,16),TNSZ("cvtpd2pi",XMMXMM,16),TNSZ("ucomisd",XMM,8),TNSZ("comisd",XMM,8),
672
673 /* [30] */ INVALID, INVALID, INVALID, INVALID,
674 /* [34] */ INVALID, INVALID, INVALID, INVALID,
675 /* [38] */ INVALID, INVALID, INVALID, INVALID,
676 /* [3C] */ INVALID, INVALID, INVALID, INVALID,
677
678 /* [40] */ INVALID, INVALID, INVALID, INVALID,
679 /* [44] */ INVALID, INVALID, INVALID, INVALID,
680 /* [48] */ INVALID, INVALID, INVALID, INVALID,
681 /* [4C] */ INVALID, INVALID, INVALID, INVALID,
682
683 /* [50] */ TNS("movmskpd",XMMOX3), TNSZ("sqrtpd",XMM,16), INVALID, INVALID,
684 /* [54] */ TNSZ("andpd",XMM,16), TNSZ("andnpd",XMM,16), TNSZ("orpd",XMM,16), TNSZ("xorpd",XMM,16),
685 /* [58] */ TNSZ("addpd",XMM,16), TNSZ("mulpd",XMM,16), TNSZ("cvtpd2ps",XMM,16),TNSZ("cvtps2dq",XMM,16),
686 /* [5C] */ TNSZ("subpd",XMM,16), TNSZ("minpd",XMM,16), TNSZ("divpd",XMM,16), TNSZ("maxpd",XMM,16),
687
688 /* [60] */ TNSZ("punpcklbw",XMM,16),TNSZ("punpcklwd",XMM,16),TNSZ("punpckldq",XMM,16),TNSZ("packsswb",XMM,16),
689 /* [64] */ TNSZ("pcmpgtb",XMM,16), TNSZ("pcmpgtw",XMM,16), TNSZ("pcmpgtd",XMM,16), TNSZ("packuswb",XMM,16),
690 /* [68] */ TNSZ("punpckhbw",XMM,16),TNSZ("punpckhwd",XMM,16),TNSZ("punpckhdq",XMM,16),TNSZ("packssdw",XMM,16),
691 /* [6C] */ TNSZ("punpcklqdq",XMM,16),TNSZ("punpckhqdq",XMM,16),TNSZ("movd",XMM3MX,4),TNSZ("movdqa",XMM,16),
692
693 /* [70] */ TNSZ("pshufd",XMMP,16), INVALID, INVALID, INVALID,
694 /* [74] */ TNSZ("pcmpeqb",XMM,16), TNSZ("pcmpeqw",XMM,16), TNSZ("pcmpeqd",XMM,16), INVALID,
695 /* [78] */ TNSZ("extrq",XMM2I,16), TNSZ("extrq",XMM,16), INVALID, INVALID,
696 /* [7C] */ TNSZ("haddpd",XMM,16), TNSZ("hsubpd",XMM,16), TNSZ("movd",XMM3MXS,4), TNSZ("movdqa",XMMS,16),
697
698 /* [80] */ INVALID, INVALID, INVALID, INVALID,
699 /* [84] */ INVALID, INVALID, INVALID, INVALID,
700 /* [88] */ INVALID, INVALID, INVALID, INVALID,
701 /* [8C] */ INVALID, INVALID, INVALID, INVALID,
702
703 /* [90] */ INVALID, INVALID, INVALID, INVALID,
704 /* [94] */ INVALID, INVALID, INVALID, INVALID,
705 /* [98] */ INVALID, INVALID, INVALID, INVALID,
706 /* [9C] */ INVALID, INVALID, INVALID, INVALID,
707
708 /* [A0] */ INVALID, INVALID, INVALID, INVALID,
709 /* [A4] */ INVALID, INVALID, INVALID, INVALID,
710 /* [A8] */ INVALID, INVALID, INVALID, INVALID,
711 /* [AC] */ INVALID, INVALID, INVALID, INVALID,
712
713 /* [B0] */ INVALID, INVALID, INVALID, INVALID,
714 /* [B4] */ INVALID, INVALID, INVALID, INVALID,
715 /* [B8] */ INVALID, INVALID, INVALID, INVALID,
716 /* [BC] */ INVALID, INVALID, INVALID, INVALID,
717
718 /* [C0] */ INVALID, INVALID, TNSZ("cmppd",XMMP,16), INVALID,
719 /* [C4] */ TNSZ("pinsrw",XMMPRM,2),TNS("pextrw",XMM3P), TNSZ("shufpd",XMMP,16), INVALID,
720 /* [C8] */ INVALID, INVALID, INVALID, INVALID,
721 /* [CC] */ INVALID, INVALID, INVALID, INVALID,
722
723 /* [D0] */ TNSZ("addsubpd",XMM,16),TNSZ("psrlw",XMM,16), TNSZ("psrld",XMM,16), TNSZ("psrlq",XMM,16),
724 /* [D4] */ TNSZ("paddq",XMM,16), TNSZ("pmullw",XMM,16), TNSZ("movq",XMMS,8), TNS("pmovmskb",XMMX3),
725 /* [D8] */ TNSZ("psubusb",XMM,16), TNSZ("psubusw",XMM,16), TNSZ("pminub",XMM,16), TNSZ("pand",XMM,16),
726 /* [DC] */ TNSZ("paddusb",XMM,16), TNSZ("paddusw",XMM,16), TNSZ("pmaxub",XMM,16), TNSZ("pandn",XMM,16),
727
728 /* [E0] */ TNSZ("pavgb",XMM,16), TNSZ("psraw",XMM,16), TNSZ("psrad",XMM,16), TNSZ("pavgw",XMM,16),
729 /* [E4] */ TNSZ("pmulhuw",XMM,16), TNSZ("pmulhw",XMM,16), TNSZ("cvttpd2dq",XMM,16),TNSZ("movntdq",XMMS,16),
730 /* [E8] */ TNSZ("psubsb",XMM,16), TNSZ("psubsw",XMM,16), TNSZ("pminsw",XMM,16), TNSZ("por",XMM,16),
731 /* [EC] */ TNSZ("paddsb",XMM,16), TNSZ("paddsw",XMM,16), TNSZ("pmaxsw",XMM,16), TNSZ("pxor",XMM,16),
732
733 /* [F0] */ INVALID, TNSZ("psllw",XMM,16), TNSZ("pslld",XMM,16), TNSZ("psllq",XMM,16),
734 /* [F4] */ TNSZ("pmuludq",XMM,16), TNSZ("pmaddwd",XMM,16), TNSZ("psadbw",XMM,16), TNSZ("maskmovdqu", XMMXIMPL,16),
735 /* [F8] */ TNSZ("psubb",XMM,16), TNSZ("psubw",XMM,16), TNSZ("psubd",XMM,16), TNSZ("psubq",XMM,16),
736 /* [FC] */ TNSZ("paddb",XMM,16), TNSZ("paddw",XMM,16), TNSZ("paddd",XMM,16), INVALID,
737 };
738
739 const instable_t dis_opAVX660F[256] = {
740 /* [00] */ INVALID, INVALID, INVALID, INVALID,
741 /* [04] */ INVALID, INVALID, INVALID, INVALID,
742 /* [08] */ INVALID, INVALID, INVALID, INVALID,
743 /* [0C] */ INVALID, INVALID, INVALID, INVALID,
744
745 /* [10] */ TNSZ("vmovupd",VEX_MX,16), TNSZ("vmovupd",VEX_RX,16), TNSZ("vmovlpd",VEX_RMrX,8), TNSZ("vmovlpd",VEX_RM,8),
746 /* [14] */ TNSZ("vunpcklpd",VEX_RMrX,16),TNSZ("vunpckhpd",VEX_RMrX,16),TNSZ("vmovhpd",VEX_RMrX,8), TNSZ("vmovhpd",VEX_RM,8),
747 /* [18] */ INVALID, INVALID, INVALID, INVALID,
748 /* [1C] */ INVALID, INVALID, INVALID, INVALID,
749
750 /* [20] */ INVALID, INVALID, INVALID, INVALID,
751 /* [24] */ INVALID, INVALID, INVALID, INVALID,
752 /* [28] */ TNSZ("vmovapd",VEX_MX,16), TNSZ("vmovapd",VEX_RX,16), INVALID, TNSZ("vmovntpd",VEX_RM,16),
753 /* [2C] */ INVALID, INVALID, TNSZ("vucomisd",VEX_MX,8),TNSZ("vcomisd",VEX_MX,8),
754
755 /* [30] */ INVALID, INVALID, INVALID, INVALID,
756 /* [34] */ INVALID, INVALID, INVALID, INVALID,
757 /* [38] */ INVALID, INVALID, INVALID, INVALID,
758 /* [3C] */ INVALID, INVALID, INVALID, INVALID,
759
760 /* [40] */ INVALID, INVALID, INVALID, INVALID,
761 /* [44] */ INVALID, INVALID, INVALID, INVALID,
762 /* [48] */ INVALID, INVALID, INVALID, INVALID,
763 /* [4C] */ INVALID, INVALID, INVALID, INVALID,
764
765 /* [50] */ TNS("vmovmskpd",VEX_MR), TNSZ("vsqrtpd",VEX_MX,16), INVALID, INVALID,
766 /* [54] */ TNSZ("vandpd",VEX_RMrX,16), TNSZ("vandnpd",VEX_RMrX,16), TNSZ("vorpd",VEX_RMrX,16), TNSZ("vxorpd",VEX_RMrX,16),
767 /* [58] */ TNSZ("vaddpd",VEX_RMrX,16), TNSZ("vmulpd",VEX_RMrX,16), TNSZ("vcvtpd2ps",VEX_MX,16),TNSZ("vcvtps2dq",VEX_MX,16),
768 /* [5C] */ TNSZ("vsubpd",VEX_RMrX,16), TNSZ("vminpd",VEX_RMrX,16), TNSZ("vdivpd",VEX_RMrX,16), TNSZ("vmaxpd",VEX_RMrX,16),
769
770 /* [60] */ TNSZ("vpunpcklbw",VEX_RMrX,16),TNSZ("vpunpcklwd",VEX_RMrX,16),TNSZ("vpunpckldq",VEX_RMrX,16),TNSZ("vpacksswb",VEX_RMrX,16),
771 /* [64] */ TNSZ("vpcmpgtb",VEX_RMrX,16), TNSZ("vpcmpgtw",VEX_RMrX,16), TNSZ("vpcmpgtd",VEX_RMrX,16), TNSZ("vpackuswb",VEX_RMrX,16),
772 /* [68] */ TNSZ("vpunpckhbw",VEX_RMrX,16),TNSZ("vpunpckhwd",VEX_RMrX,16),TNSZ("vpunpckhdq",VEX_RMrX,16),TNSZ("vpackssdw",VEX_RMrX,16),
773 /* [6C] */ TNSZ("vpunpcklqdq",VEX_RMrX,16),TNSZ("vpunpckhqdq",VEX_RMrX,16),TNSZ("vmovd",VEX_MX,4),TNSZ("vmovdqa",VEX_MX,16),
774
775 /* [70] */ TNSZ("vpshufd",VEX_MXI,16), TNSZ("vgrp71",VEX_XXI,16), TNSZ("vgrp72",VEX_XXI,16), TNSZ("vgrp73",VEX_XXI,16),
776 /* [74] */ TNSZ("vpcmpeqb",VEX_RMrX,16), TNSZ("vpcmpeqw",VEX_RMrX,16), TNSZ("vpcmpeqd",VEX_RMrX,16), INVALID,
777 /* [78] */ INVALID, INVALID, INVALID, INVALID,
778 /* [7C] */ TNSZ("vhaddpd",VEX_RMrX,16), TNSZ("vhsubpd",VEX_RMrX,16), TNSZ("vmovd",VEX_RR,4), TNSZ("vmovdqa",VEX_RX,16),
779
780 /* [80] */ INVALID, INVALID, INVALID, INVALID,
781 /* [84] */ INVALID, INVALID, INVALID, INVALID,
782 /* [88] */ INVALID, INVALID, INVALID, INVALID,
783 /* [8C] */ INVALID, INVALID, INVALID, INVALID,
784
785 /* [90] */ INVALID, INVALID, INVALID, INVALID,
786 /* [94] */ INVALID, INVALID, INVALID, INVALID,
787 /* [98] */ INVALID, INVALID, INVALID, INVALID,
788 /* [9C] */ INVALID, INVALID, INVALID, INVALID,
789
790 /* [A0] */ INVALID, INVALID, INVALID, INVALID,
791 /* [A4] */ INVALID, INVALID, INVALID, INVALID,
792 /* [A8] */ INVALID, INVALID, INVALID, INVALID,
793 /* [AC] */ INVALID, INVALID, INVALID, INVALID,
794
795 /* [B0] */ INVALID, INVALID, INVALID, INVALID,
796 /* [B4] */ INVALID, INVALID, INVALID, INVALID,
797 /* [B8] */ INVALID, INVALID, INVALID, INVALID,
798 /* [BC] */ INVALID, INVALID, INVALID, INVALID,
799
800 /* [C0] */ INVALID, INVALID, TNSZ("vcmppd",VEX_RMRX,16), INVALID,
801 /* [C4] */ TNSZ("vpinsrw",VEX_RMRX,2),TNS("vpextrw",VEX_MR), TNSZ("vshufpd",VEX_RMRX,16), INVALID,
802 /* [C8] */ INVALID, INVALID, INVALID, INVALID,
803 /* [CC] */ INVALID, INVALID, INVALID, INVALID,
804
805 /* [D0] */ TNSZ("vaddsubpd",VEX_RMrX,16),TNSZ("vpsrlw",VEX_RMrX,16), TNSZ("vpsrld",VEX_RMrX,16), TNSZ("vpsrlq",VEX_RMrX,16),
806 /* [D4] */ TNSZ("vpaddq",VEX_RMrX,16), TNSZ("vpmullw",VEX_RMrX,16), TNSZ("vmovq",VEX_RX,8), TNS("vpmovmskb",VEX_MR),
807 /* [D8] */ TNSZ("vpsubusb",VEX_RMrX,16), TNSZ("vpsubusw",VEX_RMrX,16), TNSZ("vpminub",VEX_RMrX,16), TNSZ("vpand",VEX_RMrX,16),
808 /* [DC] */ TNSZ("vpaddusb",VEX_RMrX,16), TNSZ("vpaddusw",VEX_RMrX,16), TNSZ("vpmaxub",VEX_RMrX,16), TNSZ("vpandn",VEX_RMrX,16),
809
810 /* [E0] */ TNSZ("vpavgb",VEX_RMrX,16), TNSZ("vpsraw",VEX_RMrX,16), TNSZ("vpsrad",VEX_RMrX,16), TNSZ("vpavgw",VEX_RMrX,16),
811 /* [E4] */ TNSZ("vpmulhuw",VEX_RMrX,16), TNSZ("vpmulhw",VEX_RMrX,16), TNSZ("vcvttpd2dq",VEX_MX,16),TNSZ("vmovntdq",VEX_RM,16),
812 /* [E8] */ TNSZ("vpsubsb",VEX_RMrX,16), TNSZ("vpsubsw",VEX_RMrX,16), TNSZ("vpminsw",VEX_RMrX,16), TNSZ("vpor",VEX_RMrX,16),
813 /* [EC] */ TNSZ("vpaddsb",VEX_RMrX,16), TNSZ("vpaddsw",VEX_RMrX,16), TNSZ("vpmaxsw",VEX_RMrX,16), TNSZ("vpxor",VEX_RMrX,16),
814
815 /* [F0] */ INVALID, TNSZ("vpsllw",VEX_RMrX,16), TNSZ("vpslld",VEX_RMrX,16), TNSZ("vpsllq",VEX_RMrX,16),
816 /* [F4] */ TNSZ("vpmuludq",VEX_RMrX,16), TNSZ("vpmaddwd",VEX_RMrX,16), TNSZ("vpsadbw",VEX_RMrX,16), TNS("vmaskmovdqu",VEX_MX),
817 /* [F8] */ TNSZ("vpsubb",VEX_RMrX,16), TNSZ("vpsubw",VEX_RMrX,16), TNSZ("vpsubd",VEX_RMrX,16), TNSZ("vpsubq",VEX_RMrX,16),
818 /* [FC] */ TNSZ("vpaddb",VEX_RMrX,16), TNSZ("vpaddw",VEX_RMrX,16), TNSZ("vpaddd",VEX_RMrX,16), INVALID,
819 };
820
821 /*
822 * Decode table for SIMD instructions with the repnz (0xf2) prefix.
823 */
824 const instable_t dis_opSIMDrepnz[256] = {
825 /* [00] */ INVALID, INVALID, INVALID, INVALID,
826 /* [04] */ INVALID, INVALID, INVALID, INVALID,
827 /* [08] */ INVALID, INVALID, INVALID, INVALID,
828 /* [0C] */ INVALID, INVALID, INVALID, INVALID,
829
830 /* [10] */ TNSZ("movsd",XMM,8), TNSZ("movsd",XMMS,8), TNSZ("movddup",XMM,8), INVALID,
831 /* [14] */ INVALID, INVALID, INVALID, INVALID,
832 /* [18] */ INVALID, INVALID, INVALID, INVALID,
833 /* [1C] */ INVALID, INVALID, INVALID, INVALID,
834
835 /* [20] */ INVALID, INVALID, INVALID, INVALID,
836 /* [24] */ INVALID, INVALID, INVALID, INVALID,
837 /* [28] */ INVALID, INVALID, TNSZ("cvtsi2sd",XMM3MX,4),TNSZ("movntsd",XMMMS,8),
838 /* [2C] */ TNSZ("cvttsd2si",XMMXM3,8),TNSZ("cvtsd2si",XMMXM3,8),INVALID, INVALID,
839
840 /* [30] */ INVALID, INVALID, INVALID, INVALID,
841 /* [34] */ INVALID, INVALID, INVALID, INVALID,
842 /* [38] */ INVALID, INVALID, INVALID, INVALID,
843 /* [3C] */ INVALID, INVALID, INVALID, INVALID,
844
845 /* [40] */ INVALID, INVALID, INVALID, INVALID,
846 /* [44] */ INVALID, INVALID, INVALID, INVALID,
847 /* [48] */ INVALID, INVALID, INVALID, INVALID,
848 /* [4C] */ INVALID, INVALID, INVALID, INVALID,
849
850 /* [50] */ INVALID, TNSZ("sqrtsd",XMM,8), INVALID, INVALID,
851 /* [54] */ INVALID, INVALID, INVALID, INVALID,
852 /* [58] */ TNSZ("addsd",XMM,8), TNSZ("mulsd",XMM,8), TNSZ("cvtsd2ss",XMM,8), INVALID,
853 /* [5C] */ TNSZ("subsd",XMM,8), TNSZ("minsd",XMM,8), TNSZ("divsd",XMM,8), TNSZ("maxsd",XMM,8),
854
855 /* [60] */ INVALID, INVALID, INVALID, INVALID,
856 /* [64] */ INVALID, INVALID, INVALID, INVALID,
857 /* [68] */ INVALID, INVALID, INVALID, INVALID,
858 /* [6C] */ INVALID, INVALID, INVALID, INVALID,
859
860 /* [70] */ TNSZ("pshuflw",XMMP,16),INVALID, INVALID, INVALID,
861 /* [74] */ INVALID, INVALID, INVALID, INVALID,
862 /* [78] */ TNSZ("insertq",XMMX2I,16),TNSZ("insertq",XMM,8),INVALID, INVALID,
863 /* [7C] */ TNSZ("haddps",XMM,16), TNSZ("hsubps",XMM,16), INVALID, INVALID,
864
865 /* [80] */ INVALID, INVALID, INVALID, INVALID,
866 /* [84] */ INVALID, INVALID, INVALID, INVALID,
867 /* [88] */ INVALID, INVALID, INVALID, INVALID,
868 /* [0C] */ INVALID, INVALID, INVALID, INVALID,
869
870 /* [90] */ INVALID, INVALID, INVALID, INVALID,
871 /* [94] */ INVALID, INVALID, INVALID, INVALID,
872 /* [98] */ INVALID, INVALID, INVALID, INVALID,
873 /* [9C] */ INVALID, INVALID, INVALID, INVALID,
874
875 /* [A0] */ INVALID, INVALID, INVALID, INVALID,
876 /* [A4] */ INVALID, INVALID, INVALID, INVALID,
877 /* [A8] */ INVALID, INVALID, INVALID, INVALID,
878 /* [AC] */ INVALID, INVALID, INVALID, INVALID,
879
880 /* [B0] */ INVALID, INVALID, INVALID, INVALID,
881 /* [B4] */ INVALID, INVALID, INVALID, INVALID,
882 /* [B8] */ INVALID, INVALID, INVALID, INVALID,
883 /* [BC] */ INVALID, INVALID, INVALID, INVALID,
884
885 /* [C0] */ INVALID, INVALID, TNSZ("cmpsd",XMMP,8), INVALID,
886 /* [C4] */ INVALID, INVALID, INVALID, INVALID,
887 /* [C8] */ INVALID, INVALID, INVALID, INVALID,
888 /* [CC] */ INVALID, INVALID, INVALID, INVALID,
889
890 /* [D0] */ TNSZ("addsubps",XMM,16),INVALID, INVALID, INVALID,
891 /* [D4] */ INVALID, INVALID, TNS("movdq2q",XMMXM), INVALID,
892 /* [D8] */ INVALID, INVALID, INVALID, INVALID,
893 /* [DC] */ INVALID, INVALID, INVALID, INVALID,
894
895 /* [E0] */ INVALID, INVALID, INVALID, INVALID,
896 /* [E4] */ INVALID, INVALID, TNSZ("cvtpd2dq",XMM,16),INVALID,
897 /* [E8] */ INVALID, INVALID, INVALID, INVALID,
898 /* [EC] */ INVALID, INVALID, INVALID, INVALID,
899
900 /* [F0] */ TNS("lddqu",XMMM), INVALID, INVALID, INVALID,
901 /* [F4] */ INVALID, INVALID, INVALID, INVALID,
902 /* [F8] */ INVALID, INVALID, INVALID, INVALID,
903 /* [FC] */ INVALID, INVALID, INVALID, INVALID,
904 };
905
906 const instable_t dis_opAVXF20F[256] = {
907 /* [00] */ INVALID, INVALID, INVALID, INVALID,
908 /* [04] */ INVALID, INVALID, INVALID, INVALID,
909 /* [08] */ INVALID, INVALID, INVALID, INVALID,
910 /* [0C] */ INVALID, INVALID, INVALID, INVALID,
911
912 /* [10] */ TNSZ("vmovsd",VEX_RMrX,8), TNSZ("vmovsd",VEX_RRX,8), TNSZ("vmovddup",VEX_MX,8), INVALID,
913 /* [14] */ INVALID, INVALID, INVALID, INVALID,
914 /* [18] */ INVALID, INVALID, INVALID, INVALID,
915 /* [1C] */ INVALID, INVALID, INVALID, INVALID,
916
917 /* [20] */ INVALID, INVALID, INVALID, INVALID,
918 /* [24] */ INVALID, INVALID, INVALID, INVALID,
919 /* [28] */ INVALID, INVALID, TNSZ("vcvtsi2sd",VEX_RMrX,4),INVALID,
920 /* [2C] */ TNSZ("vcvttsd2si",VEX_MR,8),TNSZ("vcvtsd2si",VEX_MR,8),INVALID, INVALID,
921
922 /* [30] */ INVALID, INVALID, INVALID, INVALID,
923 /* [34] */ INVALID, INVALID, INVALID, INVALID,
924 /* [38] */ INVALID, INVALID, INVALID, INVALID,
925 /* [3C] */ INVALID, INVALID, INVALID, INVALID,
926
927 /* [40] */ INVALID, INVALID, INVALID, INVALID,
928 /* [44] */ INVALID, INVALID, INVALID, INVALID,
929 /* [48] */ INVALID, INVALID, INVALID, INVALID,
930 /* [4C] */ INVALID, INVALID, INVALID, INVALID,
931
932 /* [50] */ INVALID, TNSZ("vsqrtsd",VEX_RMrX,8), INVALID, INVALID,
933 /* [54] */ INVALID, INVALID, INVALID, INVALID,
934 /* [58] */ TNSZ("vaddsd",VEX_RMrX,8), TNSZ("vmulsd",VEX_RMrX,8), TNSZ("vcvtsd2ss",VEX_RMrX,8), INVALID,
935 /* [5C] */ TNSZ("vsubsd",VEX_RMrX,8), TNSZ("vminsd",VEX_RMrX,8), TNSZ("vdivsd",VEX_RMrX,8), TNSZ("vmaxsd",VEX_RMrX,8),
936
937 /* [60] */ INVALID, INVALID, INVALID, INVALID,
938 /* [64] */ INVALID, INVALID, INVALID, INVALID,
939 /* [68] */ INVALID, INVALID, INVALID, INVALID,
940 /* [6C] */ INVALID, INVALID, INVALID, INVALID,
941
942 /* [70] */ TNSZ("vpshuflw",VEX_MXI,16),INVALID, INVALID, INVALID,
943 /* [74] */ INVALID, INVALID, INVALID, INVALID,
944 /* [78] */ INVALID, INVALID, INVALID, INVALID,
945 /* [7C] */ TNSZ("vhaddps",VEX_RMrX,8), TNSZ("vhsubps",VEX_RMrX,8), INVALID, INVALID,
946
947 /* [80] */ INVALID, INVALID, INVALID, INVALID,
948 /* [84] */ INVALID, INVALID, INVALID, INVALID,
949 /* [88] */ INVALID, INVALID, INVALID, INVALID,
950 /* [0C] */ INVALID, INVALID, INVALID, INVALID,
951
952 /* [90] */ INVALID, INVALID, INVALID, INVALID,
953 /* [94] */ INVALID, INVALID, INVALID, INVALID,
954 /* [98] */ INVALID, INVALID, INVALID, INVALID,
955 /* [9C] */ INVALID, INVALID, INVALID, INVALID,
956
957 /* [A0] */ INVALID, INVALID, INVALID, INVALID,
958 /* [A4] */ INVALID, INVALID, INVALID, INVALID,
959 /* [A8] */ INVALID, INVALID, INVALID, INVALID,
960 /* [AC] */ INVALID, INVALID, INVALID, INVALID,
961
962 /* [B0] */ INVALID, INVALID, INVALID, INVALID,
963 /* [B4] */ INVALID, INVALID, INVALID, INVALID,
964 /* [B8] */ INVALID, INVALID, INVALID, INVALID,
965 /* [BC] */ INVALID, INVALID, INVALID, INVALID,
966
967 /* [C0] */ INVALID, INVALID, TNSZ("vcmpsd",VEX_RMRX,8), INVALID,
968 /* [C4] */ INVALID, INVALID, INVALID, INVALID,
969 /* [C8] */ INVALID, INVALID, INVALID, INVALID,
970 /* [CC] */ INVALID, INVALID, INVALID, INVALID,
971
972 /* [D0] */ TNSZ("vaddsubps",VEX_RMrX,8), INVALID, INVALID, INVALID,
973 /* [D4] */ INVALID, INVALID, INVALID, INVALID,
974 /* [D8] */ INVALID, INVALID, INVALID, INVALID,
975 /* [DC] */ INVALID, INVALID, INVALID, INVALID,
976
977 /* [E0] */ INVALID, INVALID, INVALID, INVALID,
978 /* [E4] */ INVALID, INVALID, TNSZ("vcvtpd2dq",VEX_MX,16),INVALID,
979 /* [E8] */ INVALID, INVALID, INVALID, INVALID,
980 /* [EC] */ INVALID, INVALID, INVALID, INVALID,
981
982 /* [F0] */ TNSZ("vlddqu",VEX_MX,16), INVALID, INVALID, INVALID,
983 /* [F4] */ INVALID, INVALID, INVALID, INVALID,
984 /* [F8] */ INVALID, INVALID, INVALID, INVALID,
985 /* [FC] */ INVALID, INVALID, INVALID, INVALID,
986 };
987
988 const instable_t dis_opAVXF20F3A[256] = {
989 /* [00] */ INVALID, INVALID, INVALID, INVALID,
990 /* [04] */ INVALID, INVALID, INVALID, INVALID,
991 /* [08] */ INVALID, INVALID, INVALID, INVALID,
992 /* [0C] */ INVALID, INVALID, INVALID, INVALID,
993
994 /* [10] */ INVALID, INVALID, INVALID, INVALID,
995 /* [14] */ INVALID, INVALID, INVALID, INVALID,
996 /* [18] */ INVALID, INVALID, INVALID, INVALID,
997 /* [1C] */ INVALID, INVALID, INVALID, INVALID,
998
999 /* [20] */ INVALID, INVALID, INVALID, INVALID,
1000 /* [24] */ INVALID, INVALID, INVALID, INVALID,
1001 /* [28] */ INVALID, INVALID, INVALID, INVALID,
1002 /* [2C] */ INVALID, INVALID, INVALID, INVALID,
1003
1004 /* [30] */ INVALID, INVALID, INVALID, INVALID,
1005 /* [34] */ INVALID, INVALID, INVALID, INVALID,
1006 /* [38] */ INVALID, INVALID, INVALID, INVALID,
1007 /* [3C] */ INVALID, INVALID, INVALID, INVALID,
1008
1009 /* [40] */ INVALID, INVALID, INVALID, INVALID,
1010 /* [44] */ INVALID, INVALID, INVALID, INVALID,
1011 /* [48] */ INVALID, INVALID, INVALID, INVALID,
1012 /* [4C] */ INVALID, INVALID, INVALID, INVALID,
1013
1014 /* [50] */ INVALID, INVALID, INVALID, INVALID,
1015 /* [54] */ INVALID, INVALID, INVALID, INVALID,
1016 /* [58] */ INVALID, INVALID, INVALID, INVALID,
1017 /* [5C] */ INVALID, INVALID, INVALID, INVALID,
1018
1019 /* [60] */ INVALID, INVALID, INVALID, INVALID,
1020 /* [64] */ INVALID, INVALID, INVALID, INVALID,
1021 /* [68] */ INVALID, INVALID, INVALID, INVALID,
1022 /* [6C] */ INVALID, INVALID, INVALID, INVALID,
1023
1024 /* [70] */ INVALID, INVALID, INVALID, INVALID,
1025 /* [74] */ INVALID, INVALID, INVALID, INVALID,
1026 /* [78] */ INVALID, INVALID, INVALID, INVALID,
1027 /* [7C] */ INVALID, INVALID, INVALID, INVALID,
1028
1029 /* [80] */ INVALID, INVALID, INVALID, INVALID,
1030 /* [84] */ INVALID, INVALID, INVALID, INVALID,
1031 /* [88] */ INVALID, INVALID, INVALID, INVALID,
1032 /* [0C] */ INVALID, INVALID, INVALID, INVALID,
1033
1034 /* [90] */ INVALID, INVALID, INVALID, INVALID,
1035 /* [94] */ INVALID, INVALID, INVALID, INVALID,
1036 /* [98] */ INVALID, INVALID, INVALID, INVALID,
1037 /* [9C] */ INVALID, INVALID, INVALID, INVALID,
1038
1039 /* [A0] */ INVALID, INVALID, INVALID, INVALID,
1040 /* [A4] */ INVALID, INVALID, INVALID, INVALID,
1041 /* [A8] */ INVALID, INVALID, INVALID, INVALID,
1042 /* [AC] */ INVALID, INVALID, INVALID, INVALID,
1043
1044 /* [B0] */ INVALID, INVALID, INVALID, INVALID,
1045 /* [B4] */ INVALID, INVALID, INVALID, INVALID,
1046 /* [B8] */ INVALID, INVALID, INVALID, INVALID,
1047 /* [BC] */ INVALID, INVALID, INVALID, INVALID,
1048
1049 /* [C0] */ INVALID, INVALID, INVALID, INVALID,
1050 /* [C4] */ INVALID, INVALID, INVALID, INVALID,
1051 /* [C8] */ INVALID, INVALID, INVALID, INVALID,
1052 /* [CC] */ INVALID, INVALID, INVALID, INVALID,
1053
1054 /* [D0] */ INVALID, INVALID, INVALID, INVALID,
1055 /* [D4] */ INVALID, INVALID, INVALID, INVALID,
1056 /* [D8] */ INVALID, INVALID, INVALID, INVALID,
1057 /* [DC] */ INVALID, INVALID, INVALID, INVALID,
1058
1059 /* [E0] */ INVALID, INVALID, INVALID, INVALID,
1060 /* [E4] */ INVALID, INVALID, INVALID, INVALID,
1061 /* [E8] */ INVALID, INVALID, INVALID, INVALID,
1062 /* [EC] */ INVALID, INVALID, INVALID, INVALID,
1063
1064 /* [F0] */ TNSZvr("rorx",VEX_MXI,6),INVALID, INVALID, INVALID,
1065 /* [F4] */ INVALID, INVALID, INVALID, INVALID,
1066 /* [F8] */ INVALID, INVALID, INVALID, INVALID,
1067 /* [FC] */ INVALID, INVALID, INVALID, INVALID,
1068 };
1069
1070 const instable_t dis_opAVXF20F38[256] = {
1071 /* [00] */ INVALID, INVALID, INVALID, INVALID,
1072 /* [04] */ INVALID, INVALID, INVALID, INVALID,
1073 /* [08] */ INVALID, INVALID, INVALID, INVALID,
1074 /* [0C] */ INVALID, INVALID, INVALID, INVALID,
1075
1076 /* [10] */ INVALID, INVALID, INVALID, INVALID,
1077 /* [14] */ INVALID, INVALID, INVALID, INVALID,
1078 /* [18] */ INVALID, INVALID, INVALID, INVALID,
1079 /* [1C] */ INVALID, INVALID, INVALID, INVALID,
1080
1081 /* [20] */ INVALID, INVALID, INVALID, INVALID,
1082 /* [24] */ INVALID, INVALID, INVALID, INVALID,
1083 /* [28] */ INVALID, INVALID, INVALID, INVALID,
1084 /* [2C] */ INVALID, INVALID, INVALID, INVALID,
1085
1086 /* [30] */ INVALID, INVALID, INVALID, INVALID,
1087 /* [34] */ INVALID, INVALID, INVALID, INVALID,
1088 /* [38] */ INVALID, INVALID, INVALID, INVALID,
1089 /* [3C] */ INVALID, INVALID, INVALID, INVALID,
1090
1091 /* [40] */ INVALID, INVALID, INVALID, INVALID,
1092 /* [44] */ INVALID, INVALID, INVALID, INVALID,
1093 /* [48] */ INVALID, INVALID, INVALID, INVALID,
1094 /* [4C] */ INVALID, INVALID, INVALID, INVALID,
1095
1096 /* [50] */ INVALID, INVALID, INVALID, INVALID,
1097 /* [54] */ INVALID, INVALID, INVALID, INVALID,
1098 /* [58] */ INVALID, INVALID, INVALID, INVALID,
1099 /* [5C] */ INVALID, INVALID, INVALID, INVALID,
1100
1101 /* [60] */ INVALID, INVALID, INVALID, INVALID,
1102 /* [64] */ INVALID, INVALID, INVALID, INVALID,
1103 /* [68] */ INVALID, INVALID, INVALID, INVALID,
1104 /* [6C] */ INVALID, INVALID, INVALID, INVALID,
1105
1106 /* [70] */ INVALID, INVALID, INVALID, INVALID,
1107 /* [74] */ INVALID, INVALID, INVALID, INVALID,
1108 /* [78] */ INVALID, INVALID, INVALID, INVALID,
1109 /* [7C] */ INVALID, INVALID, INVALID, INVALID,
1110
1111 /* [80] */ INVALID, INVALID, INVALID, INVALID,
1112 /* [84] */ INVALID, INVALID, INVALID, INVALID,
1113 /* [88] */ INVALID, INVALID, INVALID, INVALID,
1114 /* [0C] */ INVALID, INVALID, INVALID, INVALID,
1115
1116 /* [90] */ INVALID, INVALID, INVALID, INVALID,
1117 /* [94] */ INVALID, INVALID, INVALID, INVALID,
1118 /* [98] */ INVALID, INVALID, INVALID, INVALID,
1119 /* [9C] */ INVALID, INVALID, INVALID, INVALID,
1120
1121 /* [A0] */ INVALID, INVALID, INVALID, INVALID,
1122 /* [A4] */ INVALID, INVALID, INVALID, INVALID,
1123 /* [A8] */ INVALID, INVALID, INVALID, INVALID,
1124 /* [AC] */ INVALID, INVALID, INVALID, INVALID,
1125
1126 /* [B0] */ INVALID, INVALID, INVALID, INVALID,
1127 /* [B4] */ INVALID, INVALID, INVALID, INVALID,
1128 /* [B8] */ INVALID, INVALID, INVALID, INVALID,
1129 /* [BC] */ INVALID, INVALID, INVALID, INVALID,
1130
1131 /* [C0] */ INVALID, INVALID, INVALID, INVALID,
1132 /* [C4] */ INVALID, INVALID, INVALID, INVALID,
1133 /* [C8] */ INVALID, INVALID, INVALID, INVALID,
1134 /* [CC] */ INVALID, INVALID, INVALID, INVALID,
1135
1136 /* [D0] */ INVALID, INVALID, INVALID, INVALID,
1137 /* [D4] */ INVALID, INVALID, INVALID, INVALID,
1138 /* [D8] */ INVALID, INVALID, INVALID, INVALID,
1139 /* [DC] */ INVALID, INVALID, INVALID, INVALID,
1140
1141 /* [E0] */ INVALID, INVALID, INVALID, INVALID,
1142 /* [E4] */ INVALID, INVALID, INVALID, INVALID,
1143 /* [E8] */ INVALID, INVALID, INVALID, INVALID,
1144 /* [EC] */ INVALID, INVALID, INVALID, INVALID,
1145
1146 /* [F0] */ INVALID, INVALID, INVALID, INVALID,
1147 /* [F4] */ INVALID, TNSZvr("pdep",VEX_RMrX,5),TNSZvr("mulx",VEX_RMrX,5),TNSZvr("shrx",VEX_VRMrX,5),
1148 /* [F8] */ INVALID, INVALID, INVALID, INVALID,
1149 /* [FC] */ INVALID, INVALID, INVALID, INVALID,
1150 };
1151
1152 const instable_t dis_opAVXF30F38[256] = {
1153 /* [00] */ INVALID, INVALID, INVALID, INVALID,
1154 /* [04] */ INVALID, INVALID, INVALID, INVALID,
1155 /* [08] */ INVALID, INVALID, INVALID, INVALID,
1156 /* [0C] */ INVALID, INVALID, INVALID, INVALID,
1157
1158 /* [10] */ INVALID, INVALID, INVALID, INVALID,
1159 /* [14] */ INVALID, INVALID, INVALID, INVALID,
1160 /* [18] */ INVALID, INVALID, INVALID, INVALID,
1161 /* [1C] */ INVALID, INVALID, INVALID, INVALID,
1162
1163 /* [20] */ INVALID, INVALID, INVALID, INVALID,
1164 /* [24] */ INVALID, INVALID, INVALID, INVALID,
1165 /* [28] */ INVALID, INVALID, INVALID, INVALID,
1166 /* [2C] */ INVALID, INVALID, INVALID, INVALID,
1167
1168 /* [30] */ INVALID, INVALID, INVALID, INVALID,
1169 /* [34] */ INVALID, INVALID, INVALID, INVALID,
1170 /* [38] */ INVALID, INVALID, INVALID, INVALID,
1171 /* [3C] */ INVALID, INVALID, INVALID, INVALID,
1172
1173 /* [40] */ INVALID, INVALID, INVALID, INVALID,
1174 /* [44] */ INVALID, INVALID, INVALID, INVALID,
1175 /* [48] */ INVALID, INVALID, INVALID, INVALID,
1176 /* [4C] */ INVALID, INVALID, INVALID, INVALID,
1177
1178 /* [50] */ INVALID, INVALID, INVALID, INVALID,
1179 /* [54] */ INVALID, INVALID, INVALID, INVALID,
1180 /* [58] */ INVALID, INVALID, INVALID, INVALID,
1181 /* [5C] */ INVALID, INVALID, INVALID, INVALID,
1182
1183 /* [60] */ INVALID, INVALID, INVALID, INVALID,
1184 /* [64] */ INVALID, INVALID, INVALID, INVALID,
1185 /* [68] */ INVALID, INVALID, INVALID, INVALID,
1186 /* [6C] */ INVALID, INVALID, INVALID, INVALID,
1187
1188 /* [70] */ INVALID, INVALID, INVALID, INVALID,
1189 /* [74] */ INVALID, INVALID, INVALID, INVALID,
1190 /* [78] */ INVALID, INVALID, INVALID, INVALID,
1191 /* [7C] */ INVALID, INVALID, INVALID, INVALID,
1192
1193 /* [80] */ INVALID, INVALID, INVALID, INVALID,
1194 /* [84] */ INVALID, INVALID, INVALID, INVALID,
1195 /* [88] */ INVALID, INVALID, INVALID, INVALID,
1196 /* [0C] */ INVALID, INVALID, INVALID, INVALID,
1197
1198 /* [90] */ INVALID, INVALID, INVALID, INVALID,
1199 /* [94] */ INVALID, INVALID, INVALID, INVALID,
1200 /* [98] */ INVALID, INVALID, INVALID, INVALID,
1201 /* [9C] */ INVALID, INVALID, INVALID, INVALID,
1202
1203 /* [A0] */ INVALID, INVALID, INVALID, INVALID,
1204 /* [A4] */ INVALID, INVALID, INVALID, INVALID,
1205 /* [A8] */ INVALID, INVALID, INVALID, INVALID,
1206 /* [AC] */ INVALID, INVALID, INVALID, INVALID,
1207
1208 /* [B0] */ INVALID, INVALID, INVALID, INVALID,
1209 /* [B4] */ INVALID, INVALID, INVALID, INVALID,
1210 /* [B8] */ INVALID, INVALID, INVALID, INVALID,
1211 /* [BC] */ INVALID, INVALID, INVALID, INVALID,
1212
1213 /* [C0] */ INVALID, INVALID, INVALID, INVALID,
1214 /* [C4] */ INVALID, INVALID, INVALID, INVALID,
1215 /* [C8] */ INVALID, INVALID, INVALID, INVALID,
1216 /* [CC] */ INVALID, INVALID, INVALID, INVALID,
1217
1218 /* [D0] */ INVALID, INVALID, INVALID, INVALID,
1219 /* [D4] */ INVALID, INVALID, INVALID, INVALID,
1220 /* [D8] */ INVALID, INVALID, INVALID, INVALID,
1221 /* [DC] */ INVALID, INVALID, INVALID, INVALID,
1222
1223 /* [E0] */ INVALID, INVALID, INVALID, INVALID,
1224 /* [E4] */ INVALID, INVALID, INVALID, INVALID,
1225 /* [E8] */ INVALID, INVALID, INVALID, INVALID,
1226 /* [EC] */ INVALID, INVALID, INVALID, INVALID,
1227
1228 /* [F0] */ INVALID, INVALID, INVALID, INVALID,
1229 /* [F4] */ INVALID, TNSZvr("pext",VEX_RMrX,5),INVALID, TNSZvr("sarx",VEX_VRMrX,5),
1230 /* [F8] */ INVALID, INVALID, INVALID, INVALID,
1231 /* [FC] */ INVALID, INVALID, INVALID, INVALID,
1232 };
1233 /*
1234 * Decode table for SIMD instructions with the repz (0xf3) prefix.
1235 */
1236 const instable_t dis_opSIMDrepz[256] = {
1237 /* [00] */ INVALID, INVALID, INVALID, INVALID,
1238 /* [04] */ INVALID, INVALID, INVALID, INVALID,
1239 /* [08] */ INVALID, INVALID, INVALID, INVALID,
1240 /* [0C] */ INVALID, INVALID, INVALID, INVALID,
1241
1242 /* [10] */ TNSZ("movss",XMM,4), TNSZ("movss",XMMS,4), TNSZ("movsldup",XMM,16),INVALID,
1243 /* [14] */ INVALID, INVALID, TNSZ("movshdup",XMM,16),INVALID,
1244 /* [18] */ INVALID, INVALID, INVALID, INVALID,
1245 /* [1C] */ INVALID, INVALID, INVALID, INVALID,
1246
1247 /* [20] */ INVALID, INVALID, INVALID, INVALID,
1248 /* [24] */ INVALID, INVALID, INVALID, INVALID,
1249 /* [28] */ INVALID, INVALID, TNSZ("cvtsi2ss",XMM3MX,4),TNSZ("movntss",XMMMS,4),
1250 /* [2C] */ TNSZ("cvttss2si",XMMXM3,4),TNSZ("cvtss2si",XMMXM3,4),INVALID, INVALID,
1251
1252 /* [30] */ INVALID, INVALID, INVALID, INVALID,
1253 /* [34] */ INVALID, INVALID, INVALID, INVALID,
1254 /* [38] */ INVALID, INVALID, INVALID, INVALID,
1255 /* [3C] */ INVALID, INVALID, INVALID, INVALID,
1256
1257 /* [40] */ INVALID, INVALID, INVALID, INVALID,
1258 /* [44] */ INVALID, INVALID, INVALID, INVALID,
1259 /* [48] */ INVALID, INVALID, INVALID, INVALID,
1260 /* [4C] */ INVALID, INVALID, INVALID, INVALID,
1261
1262 /* [50] */ INVALID, TNSZ("sqrtss",XMM,4), TNSZ("rsqrtss",XMM,4), TNSZ("rcpss",XMM,4),
1263 /* [54] */ INVALID, INVALID, INVALID, INVALID,
1264 /* [58] */ TNSZ("addss",XMM,4), TNSZ("mulss",XMM,4), TNSZ("cvtss2sd",XMM,4), TNSZ("cvttps2dq",XMM,16),
1265 /* [5C] */ TNSZ("subss",XMM,4), TNSZ("minss",XMM,4), TNSZ("divss",XMM,4), TNSZ("maxss",XMM,4),
1266
1267 /* [60] */ INVALID, INVALID, INVALID, INVALID,
1268 /* [64] */ INVALID, INVALID, INVALID, INVALID,
1269 /* [68] */ INVALID, INVALID, INVALID, INVALID,
1270 /* [6C] */ INVALID, INVALID, INVALID, TNSZ("movdqu",XMM,16),
1271
1272 /* [70] */ TNSZ("pshufhw",XMMP,16),INVALID, INVALID, INVALID,
1273 /* [74] */ INVALID, INVALID, INVALID, INVALID,
1274 /* [78] */ INVALID, INVALID, INVALID, INVALID,
1275 /* [7C] */ INVALID, INVALID, TNSZ("movq",XMM,8), TNSZ("movdqu",XMMS,16),
1276
1277 /* [80] */ INVALID, INVALID, INVALID, INVALID,
1278 /* [84] */ INVALID, INVALID, INVALID, INVALID,
1279 /* [88] */ INVALID, INVALID, INVALID, INVALID,
1280 /* [0C] */ INVALID, INVALID, INVALID, INVALID,
1281
1282 /* [90] */ INVALID, INVALID, INVALID, INVALID,
1283 /* [94] */ INVALID, INVALID, INVALID, INVALID,
1284 /* [98] */ INVALID, INVALID, INVALID, INVALID,
1285 /* [9C] */ INVALID, INVALID, INVALID, INVALID,
1286
1287 /* [A0] */ INVALID, INVALID, INVALID, INVALID,
1288 /* [A4] */ INVALID, INVALID, INVALID, INVALID,
1289 /* [A8] */ INVALID, INVALID, INVALID, INVALID,
1290 /* [AC] */ INVALID, INVALID, INVALID, INVALID,
1291
1292 /* [B0] */ INVALID, INVALID, INVALID, INVALID,
1293 /* [B4] */ INVALID, INVALID, INVALID, INVALID,
1294 /* [B8] */ TS("popcnt",MRw), INVALID, INVALID, INVALID,
1295 /* [BC] */ TNSZ("tzcnt",MRw,5), TS("lzcnt",MRw), INVALID, INVALID,
1296
1297 /* [C0] */ INVALID, INVALID, TNSZ("cmpss",XMMP,4), INVALID,
1298 /* [C4] */ INVALID, INVALID, INVALID, INVALID,
1299 /* [C8] */ INVALID, INVALID, INVALID, INVALID,
1300 /* [CC] */ INVALID, INVALID, INVALID, INVALID,
1301
1302 /* [D0] */ INVALID, INVALID, INVALID, INVALID,
1303 /* [D4] */ INVALID, INVALID, TNS("movq2dq",XMMMX), INVALID,
1304 /* [D8] */ INVALID, INVALID, INVALID, INVALID,
1305 /* [DC] */ INVALID, INVALID, INVALID, INVALID,
1306
1307 /* [E0] */ INVALID, INVALID, INVALID, INVALID,
1308 /* [E4] */ INVALID, INVALID, TNSZ("cvtdq2pd",XMM,8), INVALID,
1309 /* [E8] */ INVALID, INVALID, INVALID, INVALID,
1310 /* [EC] */ INVALID, INVALID, INVALID, INVALID,
1311
1312 /* [F0] */ INVALID, INVALID, INVALID, INVALID,
1313 /* [F4] */ INVALID, INVALID, INVALID, INVALID,
1314 /* [F8] */ INVALID, INVALID, INVALID, INVALID,
1315 /* [FC] */ INVALID, INVALID, INVALID, INVALID,
1316 };
1317
1318 const instable_t dis_opAVXF30F[256] = {
1319 /* [00] */ INVALID, INVALID, INVALID, INVALID,
1320 /* [04] */ INVALID, INVALID, INVALID, INVALID,
1321 /* [08] */ INVALID, INVALID, INVALID, INVALID,
1322 /* [0C] */ INVALID, INVALID, INVALID, INVALID,
1323
1324 /* [10] */ TNSZ("vmovss",VEX_RMrX,4), TNSZ("vmovss",VEX_RRX,4), TNSZ("vmovsldup",VEX_MX,4), INVALID,
1325 /* [14] */ INVALID, INVALID, TNSZ("vmovshdup",VEX_MX,4), INVALID,
1326 /* [18] */ INVALID, INVALID, INVALID, INVALID,
1327 /* [1C] */ INVALID, INVALID, INVALID, INVALID,
1328
1329 /* [20] */ INVALID, INVALID, INVALID, INVALID,
1330 /* [24] */ INVALID, INVALID, INVALID, INVALID,
1331 /* [28] */ INVALID, INVALID, TNSZ("vcvtsi2ss",VEX_RMrX,4),INVALID,
1332 /* [2C] */ TNSZ("vcvttss2si",VEX_MR,4),TNSZ("vcvtss2si",VEX_MR,4),INVALID, INVALID,
1333
1334 /* [30] */ INVALID, INVALID, INVALID, INVALID,
1335 /* [34] */ INVALID, INVALID, INVALID, INVALID,
1336 /* [38] */ INVALID, INVALID, INVALID, INVALID,
1337 /* [3C] */ INVALID, INVALID, INVALID, INVALID,
1338
1339 /* [40] */ INVALID, INVALID, INVALID, INVALID,
1340 /* [44] */ INVALID, INVALID, INVALID, INVALID,
1341 /* [48] */ INVALID, INVALID, INVALID, INVALID,
1342 /* [4C] */ INVALID, INVALID, INVALID, INVALID,
1343
1344 /* [50] */ INVALID, TNSZ("vsqrtss",VEX_RMrX,4), TNSZ("vrsqrtss",VEX_RMrX,4), TNSZ("vrcpss",VEX_RMrX,4),
1345 /* [54] */ INVALID, INVALID, INVALID, INVALID,
1346 /* [58] */ TNSZ("vaddss",VEX_RMrX,4), TNSZ("vmulss",VEX_RMrX,4), TNSZ("vcvtss2sd",VEX_RMrX,4), TNSZ("vcvttps2dq",VEX_MX,16),
1347 /* [5C] */ TNSZ("vsubss",VEX_RMrX,4), TNSZ("vminss",VEX_RMrX,4), TNSZ("vdivss",VEX_RMrX,4), TNSZ("vmaxss",VEX_RMrX,4),
1348
1349 /* [60] */ INVALID, INVALID, INVALID, INVALID,
1350 /* [64] */ INVALID, INVALID, INVALID, INVALID,
1351 /* [68] */ INVALID, INVALID, INVALID, INVALID,
1352 /* [6C] */ INVALID, INVALID, INVALID, TNSZ("vmovdqu",VEX_MX,16),
1353
1354 /* [70] */ TNSZ("vpshufhw",VEX_MXI,16),INVALID, INVALID, INVALID,
1355 /* [74] */ INVALID, INVALID, INVALID, INVALID,
1356 /* [78] */ INVALID, INVALID, INVALID, INVALID,
1357 /* [7C] */ INVALID, INVALID, TNSZ("vmovq",VEX_MX,8), TNSZ("vmovdqu",VEX_RX,16),
1358
1359 /* [80] */ INVALID, INVALID, INVALID, INVALID,
1360 /* [84] */ INVALID, INVALID, INVALID, INVALID,
1361 /* [88] */ INVALID, INVALID, INVALID, INVALID,
1362 /* [0C] */ INVALID, INVALID, INVALID, INVALID,
1363
1364 /* [90] */ INVALID, INVALID, INVALID, INVALID,
1365 /* [94] */ INVALID, INVALID, INVALID, INVALID,
1366 /* [98] */ INVALID, INVALID, INVALID, INVALID,
1367 /* [9C] */ INVALID, INVALID, INVALID, INVALID,
1368
1369 /* [A0] */ INVALID, INVALID, INVALID, INVALID,
1370 /* [A4] */ INVALID, INVALID, INVALID, INVALID,
1371 /* [A8] */ INVALID, INVALID, INVALID, INVALID,
1372 /* [AC] */ INVALID, INVALID, INVALID, INVALID,
1373
1374 /* [B0] */ INVALID, INVALID, INVALID, INVALID,
1375 /* [B4] */ INVALID, INVALID, INVALID, INVALID,
1376 /* [B8] */ INVALID, INVALID, INVALID, INVALID,
1377 /* [BC] */ INVALID, INVALID, INVALID, INVALID,
1378
1379 /* [C0] */ INVALID, INVALID, TNSZ("vcmpss",VEX_RMRX,4), INVALID,
1380 /* [C4] */ INVALID, INVALID, INVALID, INVALID,
1381 /* [C8] */ INVALID, INVALID, INVALID, INVALID,
1382 /* [CC] */ INVALID, INVALID, INVALID, INVALID,
1383
1384 /* [D0] */ INVALID, INVALID, INVALID, INVALID,
1385 /* [D4] */ INVALID, INVALID, INVALID, INVALID,
1386 /* [D8] */ INVALID, INVALID, INVALID, INVALID,
1387 /* [DC] */ INVALID, INVALID, INVALID, INVALID,
1388
1389 /* [E0] */ INVALID, INVALID, INVALID, INVALID,
1390 /* [E4] */ INVALID, INVALID, TNSZ("vcvtdq2pd",VEX_MX,8), INVALID,
1391 /* [E8] */ INVALID, INVALID, INVALID, INVALID,
1392 /* [EC] */ INVALID, INVALID, INVALID, INVALID,
1393
1394 /* [F0] */ INVALID, INVALID, INVALID, INVALID,
1395 /* [F4] */ INVALID, INVALID, INVALID, INVALID,
1396 /* [F8] */ INVALID, INVALID, INVALID, INVALID,
1397 /* [FC] */ INVALID, INVALID, INVALID, INVALID,
1398 };
1399 /*
1400 * The following two tables are used to encode crc32 and movbe
1401 * since they share the same opcodes.
1402 */
1403 const instable_t dis_op0F38F0[2] = {
1404 /* [00] */ TNS("crc32b",CRC32),
1405 TS("movbe",MOVBE),
1406 };
1407
1408 const instable_t dis_op0F38F1[2] = {
1409 /* [00] */ TS("crc32",CRC32),
1410 TS("movbe",MOVBE),
1411 };
1412
1413 /*
1414 * The following table is used to distinguish between adox and adcx which share
1415 * the same opcodes.
1416 */
1417 const instable_t dis_op0F38F6[2] = {
1418 /* [00] */ TNS("adcx",ADX),
1419 TNS("adox",ADX),
1420 };
1421
1422 const instable_t dis_op0F38[256] = {
1423 /* [00] */ TNSZ("pshufb",XMM_66o,16),TNSZ("phaddw",XMM_66o,16),TNSZ("phaddd",XMM_66o,16),TNSZ("phaddsw",XMM_66o,16),
1424 /* [04] */ TNSZ("pmaddubsw",XMM_66o,16),TNSZ("phsubw",XMM_66o,16), TNSZ("phsubd",XMM_66o,16),TNSZ("phsubsw",XMM_66o,16),
1425 /* [08] */ TNSZ("psignb",XMM_66o,16),TNSZ("psignw",XMM_66o,16),TNSZ("psignd",XMM_66o,16),TNSZ("pmulhrsw",XMM_66o,16),
1426 /* [0C] */ INVALID, INVALID, INVALID, INVALID,
1427
1428 /* [10] */ TNSZ("pblendvb",XMM_66r,16),INVALID, INVALID, INVALID,
1429 /* [14] */ TNSZ("blendvps",XMM_66r,16),TNSZ("blendvpd",XMM_66r,16),INVALID, TNSZ("ptest",XMM_66r,16),
1430 /* [18] */ INVALID, INVALID, INVALID, INVALID,
1431 /* [1C] */ TNSZ("pabsb",XMM_66o,16),TNSZ("pabsw",XMM_66o,16),TNSZ("pabsd",XMM_66o,16),INVALID,
1432
1433 /* [20] */ TNSZ("pmovsxbw",XMM_66r,16),TNSZ("pmovsxbd",XMM_66r,16),TNSZ("pmovsxbq",XMM_66r,16),TNSZ("pmovsxwd",XMM_66r,16),
1434 /* [24] */ TNSZ("pmovsxwq",XMM_66r,16),TNSZ("pmovsxdq",XMM_66r,16),INVALID, INVALID,
1435 /* [28] */ TNSZ("pmuldq",XMM_66r,16),TNSZ("pcmpeqq",XMM_66r,16),TNSZ("movntdqa",XMMM_66r,16),TNSZ("packusdw",XMM_66r,16),
1436 /* [2C] */ INVALID, INVALID, INVALID, INVALID,
1437
1438 /* [30] */ TNSZ("pmovzxbw",XMM_66r,16),TNSZ("pmovzxbd",XMM_66r,16),TNSZ("pmovzxbq",XMM_66r,16),TNSZ("pmovzxwd",XMM_66r,16),
1439 /* [34] */ TNSZ("pmovzxwq",XMM_66r,16),TNSZ("pmovzxdq",XMM_66r,16),INVALID, TNSZ("pcmpgtq",XMM_66r,16),
1440 /* [38] */ TNSZ("pminsb",XMM_66r,16),TNSZ("pminsd",XMM_66r,16),TNSZ("pminuw",XMM_66r,16),TNSZ("pminud",XMM_66r,16),
1441 /* [3C] */ TNSZ("pmaxsb",XMM_66r,16),TNSZ("pmaxsd",XMM_66r,16),TNSZ("pmaxuw",XMM_66r,16),TNSZ("pmaxud",XMM_66r,16),
1442
1443 /* [40] */ TNSZ("pmulld",XMM_66r,16),TNSZ("phminposuw",XMM_66r,16),INVALID, INVALID,
1444 /* [44] */ INVALID, INVALID, INVALID, INVALID,
1445 /* [48] */ INVALID, INVALID, INVALID, INVALID,
1446 /* [4C] */ INVALID, INVALID, INVALID, INVALID,
1447
1448 /* [50] */ INVALID, INVALID, INVALID, INVALID,
1449 /* [54] */ INVALID, INVALID, INVALID, INVALID,
1450 /* [58] */ INVALID, INVALID, INVALID, INVALID,
1451 /* [5C] */ INVALID, INVALID, INVALID, INVALID,
1452
1453 /* [60] */ INVALID, INVALID, INVALID, INVALID,
1454 /* [64] */ INVALID, INVALID, INVALID, INVALID,
1455 /* [68] */ INVALID, INVALID, INVALID, INVALID,
1456 /* [6C] */ INVALID, INVALID, INVALID, INVALID,
1457
1458 /* [70] */ INVALID, INVALID, INVALID, INVALID,
1459 /* [74] */ INVALID, INVALID, INVALID, INVALID,
1460 /* [78] */ INVALID, INVALID, INVALID, INVALID,
1461 /* [7C] */ INVALID, INVALID, INVALID, INVALID,
1462
1463 /* [80] */ TNSy("invept", RM_66r), TNSy("invvpid", RM_66r),TNSy("invpcid", RM_66r),INVALID,
1464 /* [84] */ INVALID, INVALID, INVALID, INVALID,
1465 /* [88] */ INVALID, INVALID, INVALID, INVALID,
1466 /* [8C] */ INVALID, INVALID, INVALID, INVALID,
1467
1468 /* [90] */ INVALID, INVALID, INVALID, INVALID,
1469 /* [94] */ INVALID, INVALID, INVALID, INVALID,
1470 /* [98] */ INVALID, INVALID, INVALID, INVALID,
1471 /* [9C] */ INVALID, INVALID, INVALID, INVALID,
1472
1473 /* [A0] */ INVALID, INVALID, INVALID, INVALID,
1474 /* [A4] */ INVALID, INVALID, INVALID, INVALID,
1475 /* [A8] */ INVALID, INVALID, INVALID, INVALID,
1476 /* [AC] */ INVALID, INVALID, INVALID, INVALID,
1477
1478 /* [B0] */ INVALID, INVALID, INVALID, INVALID,
1479 /* [B4] */ INVALID, INVALID, INVALID, INVALID,
1480 /* [B8] */ INVALID, INVALID, INVALID, INVALID,
1481 /* [BC] */ INVALID, INVALID, INVALID, INVALID,
1482
1483 /* [C0] */ INVALID, INVALID, INVALID, INVALID,
1484 /* [C4] */ INVALID, INVALID, INVALID, INVALID,
1485 /* [C8] */ TNSZ("sha1nexte",XMM,16),TNSZ("sha1msg1",XMM,16),TNSZ("sha1msg2",XMM,16),TNSZ("sha256rnds2",XMM,16),
1486 /* [CC] */ TNSZ("sha256msg1",XMM,16),TNSZ("sha256msg2",XMM,16),INVALID, INVALID,
1487
1488 /* [D0] */ INVALID, INVALID, INVALID, INVALID,
1489 /* [D4] */ INVALID, INVALID, INVALID, INVALID,
1490 /* [D8] */ INVALID, INVALID, INVALID, TNSZ("aesimc",XMM_66r,16),
1491 /* [DC] */ TNSZ("aesenc",XMM_66r,16),TNSZ("aesenclast",XMM_66r,16),TNSZ("aesdec",XMM_66r,16),TNSZ("aesdeclast",XMM_66r,16),
1492
1493 /* [E0] */ INVALID, INVALID, INVALID, INVALID,
1494 /* [E4] */ INVALID, INVALID, INVALID, INVALID,
1495 /* [E8] */ INVALID, INVALID, INVALID, INVALID,
1496 /* [EC] */ INVALID, INVALID, INVALID, INVALID,
1497 /* [F0] */ IND(dis_op0F38F0), IND(dis_op0F38F1), INVALID, INVALID,
1498 /* [F4] */ INVALID, INVALID, IND(dis_op0F38F6), INVALID,
1499 /* [F8] */ INVALID, INVALID, INVALID, INVALID,
1500 /* [FC] */ INVALID, INVALID, INVALID, INVALID,
1501 };
1502
1503 const instable_t dis_opAVX660F38[256] = {
1504 /* [00] */ TNSZ("vpshufb",VEX_RMrX,16),TNSZ("vphaddw",VEX_RMrX,16),TNSZ("vphaddd",VEX_RMrX,16),TNSZ("vphaddsw",VEX_RMrX,16),
1505 /* [04] */ TNSZ("vpmaddubsw",VEX_RMrX,16),TNSZ("vphsubw",VEX_RMrX,16), TNSZ("vphsubd",VEX_RMrX,16),TNSZ("vphsubsw",VEX_RMrX,16),
1506 /* [08] */ TNSZ("vpsignb",VEX_RMrX,16),TNSZ("vpsignw",VEX_RMrX,16),TNSZ("vpsignd",VEX_RMrX,16),TNSZ("vpmulhrsw",VEX_RMrX,16),
1507 /* [0C] */ TNSZ("vpermilps",VEX_RMrX,8),TNSZ("vpermilpd",VEX_RMrX,16),TNSZ("vtestps",VEX_RRI,8), TNSZ("vtestpd",VEX_RRI,16),
1508
1509 /* [10] */ INVALID, INVALID, INVALID, TNSZ("vcvtph2ps",VEX_MX,16),
1510 /* [14] */ INVALID, INVALID, TNSZ("vpermps",VEX_RMrX,16),TNSZ("vptest",VEX_RRI,16),
1511 /* [18] */ TNSZ("vbroadcastss",VEX_MX,4),TNSZ("vbroadcastsd",VEX_MX,8),TNSZ("vbroadcastf128",VEX_MX,16),INVALID,
1512 /* [1C] */ TNSZ("vpabsb",VEX_MX,16),TNSZ("vpabsw",VEX_MX,16),TNSZ("vpabsd",VEX_MX,16),INVALID,
1513
1514 /* [20] */ TNSZ("vpmovsxbw",VEX_MX,16),TNSZ("vpmovsxbd",VEX_MX,16),TNSZ("vpmovsxbq",VEX_MX,16),TNSZ("vpmovsxwd",VEX_MX,16),
1515 /* [24] */ TNSZ("vpmovsxwq",VEX_MX,16),TNSZ("vpmovsxdq",VEX_MX,16),INVALID, INVALID,
1516 /* [28] */ TNSZ("vpmuldq",VEX_RMrX,16),TNSZ("vpcmpeqq",VEX_RMrX,16),TNSZ("vmovntdqa",VEX_MX,16),TNSZ("vpackusdw",VEX_RMrX,16),
1517 /* [2C] */ TNSZ("vmaskmovps",VEX_RMrX,8),TNSZ("vmaskmovpd",VEX_RMrX,16),TNSZ("vmaskmovps",VEX_RRM,8),TNSZ("vmaskmovpd",VEX_RRM,16),
1518
1519 /* [30] */ TNSZ("vpmovzxbw",VEX_MX,16),TNSZ("vpmovzxbd",VEX_MX,16),TNSZ("vpmovzxbq",VEX_MX,16),TNSZ("vpmovzxwd",VEX_MX,16),
1520 /* [34] */ TNSZ("vpmovzxwq",VEX_MX,16),TNSZ("vpmovzxdq",VEX_MX,16),TNSZ("vpermd",VEX_RMrX,16),TNSZ("vpcmpgtq",VEX_RMrX,16),
1521 /* [38] */ TNSZ("vpminsb",VEX_RMrX,16),TNSZ("vpminsd",VEX_RMrX,16),TNSZ("vpminuw",VEX_RMrX,16),TNSZ("vpminud",VEX_RMrX,16),
1522 /* [3C] */ TNSZ("vpmaxsb",VEX_RMrX,16),TNSZ("vpmaxsd",VEX_RMrX,16),TNSZ("vpmaxuw",VEX_RMrX,16),TNSZ("vpmaxud",VEX_RMrX,16),
1523
1524 /* [40] */ TNSZ("vpmulld",VEX_RMrX,16),TNSZ("vphminposuw",VEX_MX,16),INVALID, INVALID,
1525 /* [44] */ INVALID, TSaZ("vpsrlv",VEX_RMrX,16),TNSZ("vpsravd",VEX_RMrX,16),TSaZ("vpsllv",VEX_RMrX,16),
1526 /* [48] */ INVALID, INVALID, INVALID, INVALID,
1527 /* [4C] */ INVALID, INVALID, INVALID, INVALID,
1528
1529 /* [50] */ INVALID, INVALID, INVALID, INVALID,
1530 /* [54] */ INVALID, INVALID, INVALID, INVALID,
1531 /* [58] */ TNSZ("vpbroadcastd",VEX_MX,16),TNSZ("vpbroadcastq",VEX_MX,16),TNSZ("vbroadcasti128",VEX_MX,16),INVALID,
1532 /* [5C] */ INVALID, INVALID, INVALID, INVALID,
1533
1534 /* [60] */ INVALID, INVALID, INVALID, INVALID,
1535 /* [64] */ INVALID, INVALID, INVALID, INVALID,
1536 /* [68] */ INVALID, INVALID, INVALID, INVALID,
1537 /* [6C] */ INVALID, INVALID, INVALID, INVALID,
1538
1539 /* [70] */ INVALID, INVALID, INVALID, INVALID,
1540 /* [74] */ INVALID, INVALID, INVALID, INVALID,
1541 /* [78] */ TNSZ("vpbroadcastb",VEX_MX,16),TNSZ("vpbroadcastw",VEX_MX,16),INVALID, INVALID,
1542 /* [7C] */ INVALID, INVALID, INVALID, INVALID,
1543
1544 /* [80] */ INVALID, INVALID, INVALID, INVALID,
1545 /* [84] */ INVALID, INVALID, INVALID, INVALID,
1546 /* [88] */ INVALID, INVALID, INVALID, INVALID,
1547 /* [8C] */ TSaZ("vpmaskmov",VEX_RMrX,16),INVALID, TSaZ("vpmaskmov",VEX_RRM,16),INVALID,
1548
1549 /* [90] */ TNSZ("vpgatherd",VEX_SbVM,16),TNSZ("vpgatherq",VEX_SbVM,16),TNSZ("vgatherdp",VEX_SbVM,16),TNSZ("vgatherqp",VEX_SbVM,16),
1550 /* [94] */ INVALID, INVALID, TNSZ("vfmaddsub132p",FMA,16),TNSZ("vfmsubadd132p",FMA,16),
1551 /* [98] */ TNSZ("vfmadd132p",FMA,16),TNSZ("vfmadd132s",FMA,16),TNSZ("vfmsub132p",FMA,16),TNSZ("vfmsub132s",FMA,16),
1552 /* [9C] */ TNSZ("vfnmadd132p",FMA,16),TNSZ("vfnmadd132s",FMA,16),TNSZ("vfnmsub132p",FMA,16),TNSZ("vfnmsub132s",FMA,16),
1553
1554 /* [A0] */ INVALID, INVALID, INVALID, INVALID,
1555 /* [A4] */ INVALID, INVALID, TNSZ("vfmaddsub213p",FMA,16),TNSZ("vfmsubadd213p",FMA,16),
1556 /* [A8] */ TNSZ("vfmadd213p",FMA,16),TNSZ("vfmadd213s",FMA,16),TNSZ("vfmsub213p",FMA,16),TNSZ("vfmsub213s",FMA,16),
1557 /* [AC] */ TNSZ("vfnmadd213p",FMA,16),TNSZ("vfnmadd213s",FMA,16),TNSZ("vfnmsub213p",FMA,16),TNSZ("vfnmsub213s",FMA,16),
1558
1559 /* [B0] */ INVALID, INVALID, INVALID, INVALID,
1560 /* [B4] */ INVALID, INVALID, TNSZ("vfmaddsub231p",FMA,16),TNSZ("vfmsubadd231p",FMA,16),
1561 /* [B8] */ TNSZ("vfmadd231p",FMA,16),TNSZ("vfmadd231s",FMA,16),TNSZ("vfmsub231p",FMA,16),TNSZ("vfmsub231s",FMA,16),
1562 /* [BC] */ TNSZ("vfnmadd231p",FMA,16),TNSZ("vfnmadd231s",FMA,16),TNSZ("vfnmsub231p",FMA,16),TNSZ("vfnmsub231s",FMA,16),
1563
1564 /* [C0] */ INVALID, INVALID, INVALID, INVALID,
1565 /* [C4] */ INVALID, INVALID, INVALID, INVALID,
1566 /* [C8] */ INVALID, INVALID, INVALID, INVALID,
1567 /* [CC] */ INVALID, INVALID, INVALID, INVALID,
1568
1569 /* [D0] */ INVALID, INVALID, INVALID, INVALID,
1570 /* [D4] */ INVALID, INVALID, INVALID, INVALID,
1571 /* [D8] */ INVALID, INVALID, INVALID, TNSZ("vaesimc",VEX_MX,16),
1572 /* [DC] */ TNSZ("vaesenc",VEX_RMrX,16),TNSZ("vaesenclast",VEX_RMrX,16),TNSZ("vaesdec",VEX_RMrX,16),TNSZ("vaesdeclast",VEX_RMrX,16),
1573
1574 /* [E0] */ INVALID, INVALID, INVALID, INVALID,
1575 /* [E4] */ INVALID, INVALID, INVALID, INVALID,
1576 /* [E8] */ INVALID, INVALID, INVALID, INVALID,
1577 /* [EC] */ INVALID, INVALID, INVALID, INVALID,
1578 /* [F0] */ IND(dis_op0F38F0), IND(dis_op0F38F1), INVALID, INVALID,
1579 /* [F4] */ INVALID, INVALID, INVALID, TNSZvr("shlx",VEX_VRMrX,5),
1580 /* [F8] */ INVALID, INVALID, INVALID, INVALID,
1581 /* [FC] */ INVALID, INVALID, INVALID, INVALID,
1582 };
1583
1584 const instable_t dis_op0F3A[256] = {
1585 /* [00] */ INVALID, INVALID, INVALID, INVALID,
1586 /* [04] */ INVALID, INVALID, INVALID, INVALID,
1587 /* [08] */ TNSZ("roundps",XMMP_66r,16),TNSZ("roundpd",XMMP_66r,16),TNSZ("roundss",XMMP_66r,16),TNSZ("roundsd",XMMP_66r,16),
1588 /* [0C] */ TNSZ("blendps",XMMP_66r,16),TNSZ("blendpd",XMMP_66r,16),TNSZ("pblendw",XMMP_66r,16),TNSZ("palignr",XMMP_66o,16),
1589
1590 /* [10] */ INVALID, INVALID, INVALID, INVALID,
1591 /* [14] */ TNSZ("pextrb",XMM3PM_66r,8),TNSZ("pextrw",XMM3PM_66r,16),TSZ("pextr",XMM3PM_66r,16),TNSZ("extractps",XMM3PM_66r,16),
1592 /* [18] */ INVALID, INVALID, INVALID, INVALID,
1593 /* [1C] */ INVALID, INVALID, INVALID, INVALID,
1594
1595 /* [20] */ TNSZ("pinsrb",XMMPRM_66r,8),TNSZ("insertps",XMMP_66r,16),TSZ("pinsr",XMMPRM_66r,16),INVALID,
1596 /* [24] */ INVALID, INVALID, INVALID, INVALID,
1597 /* [28] */ INVALID, INVALID, INVALID, INVALID,
1598 /* [2C] */ INVALID, INVALID, INVALID, INVALID,
1599
1600 /* [30] */ INVALID, INVALID, INVALID, INVALID,
1601 /* [34] */ INVALID, INVALID, INVALID, INVALID,
1602 /* [38] */ INVALID, INVALID, INVALID, INVALID,
1603 /* [3C] */ INVALID, INVALID, INVALID, INVALID,
1604
1605 /* [40] */ TNSZ("dpps",XMMP_66r,16),TNSZ("dppd",XMMP_66r,16),TNSZ("mpsadbw",XMMP_66r,16),INVALID,
1606 /* [44] */ TNSZ("pclmulqdq",XMMP_66r,16),INVALID, INVALID, INVALID,
1607 /* [48] */ INVALID, INVALID, INVALID, INVALID,
1608 /* [4C] */ INVALID, INVALID, INVALID, INVALID,
1609
1610 /* [50] */ INVALID, INVALID, INVALID, INVALID,
1611 /* [54] */ INVALID, INVALID, INVALID, INVALID,
1612 /* [58] */ INVALID, INVALID, INVALID, INVALID,
1613 /* [5C] */ INVALID, INVALID, INVALID, INVALID,
1614
1615 /* [60] */ TNSZ("pcmpestrm",XMMP_66r,16),TNSZ("pcmpestri",XMMP_66r,16),TNSZ("pcmpistrm",XMMP_66r,16),TNSZ("pcmpistri",XMMP_66r,16),
1616 /* [64] */ INVALID, INVALID, INVALID, INVALID,
1617 /* [68] */ INVALID, INVALID, INVALID, INVALID,
1618 /* [6C] */ INVALID, INVALID, INVALID, INVALID,
1619
1620 /* [70] */ INVALID, INVALID, INVALID, INVALID,
1621 /* [74] */ INVALID, INVALID, INVALID, INVALID,
1622 /* [78] */ INVALID, INVALID, INVALID, INVALID,
1623 /* [7C] */ INVALID, INVALID, INVALID, INVALID,
1624
1625 /* [80] */ INVALID, INVALID, INVALID, INVALID,
1626 /* [84] */ INVALID, INVALID, INVALID, INVALID,
1627 /* [88] */ INVALID, INVALID, INVALID, INVALID,
1628 /* [8C] */ INVALID, INVALID, INVALID, INVALID,
1629
1630 /* [90] */ INVALID, INVALID, INVALID, INVALID,
1631 /* [94] */ INVALID, INVALID, INVALID, INVALID,
1632 /* [98] */ INVALID, INVALID, INVALID, INVALID,
1633 /* [9C] */ INVALID, INVALID, INVALID, INVALID,
1634
1635 /* [A0] */ INVALID, INVALID, INVALID, INVALID,
1636 /* [A4] */ INVALID, INVALID, INVALID, INVALID,
1637 /* [A8] */ INVALID, INVALID, INVALID, INVALID,
1638 /* [AC] */ INVALID, INVALID, INVALID, INVALID,
1639
1640 /* [B0] */ INVALID, INVALID, INVALID, INVALID,
1641 /* [B4] */ INVALID, INVALID, INVALID, INVALID,
1642 /* [B8] */ INVALID, INVALID, INVALID, INVALID,
1643 /* [BC] */ INVALID, INVALID, INVALID, INVALID,
1644
1645 /* [C0] */ INVALID, INVALID, INVALID, INVALID,
1646 /* [C4] */ INVALID, INVALID, INVALID, INVALID,
1647 /* [C8] */ INVALID, INVALID, INVALID, INVALID,
1648 /* [CC] */ TNSZ("sha1rnds4",XMMP,16),INVALID, INVALID, INVALID,
1649
1650 /* [D0] */ INVALID, INVALID, INVALID, INVALID,
1651 /* [D4] */ INVALID, INVALID, INVALID, INVALID,
1652 /* [D8] */ INVALID, INVALID, INVALID, INVALID,
1653 /* [DC] */ INVALID, INVALID, INVALID, TNSZ("aeskeygenassist",XMMP_66r,16),
1654
1655 /* [E0] */ INVALID, INVALID, INVALID, INVALID,
1656 /* [E4] */ INVALID, INVALID, INVALID, INVALID,
1657 /* [E8] */ INVALID, INVALID, INVALID, INVALID,
1658 /* [EC] */ INVALID, INVALID, INVALID, INVALID,
1659
1660 /* [F0] */ INVALID, INVALID, INVALID, INVALID,
1661 /* [F4] */ INVALID, INVALID, INVALID, INVALID,
1662 /* [F8] */ INVALID, INVALID, INVALID, INVALID,
1663 /* [FC] */ INVALID, INVALID, INVALID, INVALID,
1664 };
1665
1666 const instable_t dis_opAVX660F3A[256] = {
1667 /* [00] */ TNSZ("vpermq",VEX_MXI,16),TNSZ("vpermpd",VEX_MXI,16),TNSZ("vpblendd",VEX_RMRX,16),INVALID,
1668 /* [04] */ TNSZ("vpermilps",VEX_MXI,8),TNSZ("vpermilpd",VEX_MXI,16),TNSZ("vperm2f128",VEX_RMRX,16),INVALID,
1669 /* [08] */ TNSZ("vroundps",VEX_MXI,16),TNSZ("vroundpd",VEX_MXI,16),TNSZ("vroundss",VEX_RMRX,16),TNSZ("vroundsd",VEX_RMRX,16),
1670 /* [0C] */ TNSZ("vblendps",VEX_RMRX,16),TNSZ("vblendpd",VEX_RMRX,16),TNSZ("vpblendw",VEX_RMRX,16),TNSZ("vpalignr",VEX_RMRX,16),
1671
1672 /* [10] */ INVALID, INVALID, INVALID, INVALID,
1673 /* [14] */ TNSZ("vpextrb",VEX_RRi,8),TNSZ("vpextrw",VEX_RRi,16),TNSZ("vpextrd",VEX_RRi,16),TNSZ("vextractps",VEX_RM,16),
1674 /* [18] */ TNSZ("vinsertf128",VEX_RMRX,16),TNSZ("vextractf128",VEX_RX,16),INVALID, INVALID,
1675 /* [1C] */ INVALID, TNSZ("vcvtps2ph",VEX_RX,16), INVALID, INVALID,
1676
1677 /* [20] */ TNSZ("vpinsrb",VEX_RMRX,8),TNSZ("vinsertps",VEX_RMRX,16),TNSZ("vpinsrd",VEX_RMRX,16),INVALID,
1678 /* [24] */ INVALID, INVALID, INVALID, INVALID,
1679 /* [28] */ INVALID, INVALID, INVALID, INVALID,
1680 /* [2C] */ INVALID, INVALID, INVALID, INVALID,
1681
1682 /* [30] */ INVALID, INVALID, INVALID, INVALID,
1683 /* [34] */ INVALID, INVALID, INVALID, INVALID,
1684 /* [38] */ TNSZ("vinserti128",VEX_RMRX,16),TNSZ("vextracti128",VEX_RIM,16),INVALID, INVALID,
1685 /* [3C] */ INVALID, INVALID, INVALID, INVALID,
1686
1687 /* [40] */ TNSZ("vdpps",VEX_RMRX,16),TNSZ("vdppd",VEX_RMRX,16),TNSZ("vmpsadbw",VEX_RMRX,16),INVALID,
1688 /* [44] */ TNSZ("vpclmulqdq",VEX_RMRX,16),INVALID, TNSZ("vperm2i128",VEX_RMRX,16),INVALID,
1689 /* [48] */ INVALID, INVALID, TNSZ("vblendvps",VEX_RMRX,8), TNSZ("vblendvpd",VEX_RMRX,16),
1690 /* [4C] */ TNSZ("vpblendvb",VEX_RMRX,16),INVALID, INVALID, INVALID,
1691
1692 /* [50] */ INVALID, INVALID, INVALID, INVALID,
1693 /* [54] */ INVALID, INVALID, INVALID, INVALID,
1694 /* [58] */ INVALID, INVALID, INVALID, INVALID,
1695 /* [5C] */ INVALID, INVALID, INVALID, INVALID,
1696
1697 /* [60] */ TNSZ("vpcmpestrm",VEX_MXI,16),TNSZ("vpcmpestri",VEX_MXI,16),TNSZ("vpcmpistrm",VEX_MXI,16),TNSZ("vpcmpistri",VEX_MXI,16),
1698 /* [64] */ INVALID, INVALID, INVALID, INVALID,
1699 /* [68] */ INVALID, INVALID, INVALID, INVALID,
1700 /* [6C] */ INVALID, INVALID, INVALID, INVALID,
1701
1702 /* [70] */ INVALID, INVALID, INVALID, INVALID,
1703 /* [74] */ INVALID, INVALID, INVALID, INVALID,
1704 /* [78] */ INVALID, INVALID, INVALID, INVALID,
1705 /* [7C] */ INVALID, INVALID, INVALID, INVALID,
1706
1707 /* [80] */ INVALID, INVALID, INVALID, INVALID,
1708 /* [84] */ INVALID, INVALID, INVALID, INVALID,
1709 /* [88] */ INVALID, INVALID, INVALID, INVALID,
1710 /* [8C] */ INVALID, INVALID, INVALID, INVALID,
1711
1712 /* [90] */ INVALID, INVALID, INVALID, INVALID,
1713 /* [94] */ INVALID, INVALID, INVALID, INVALID,
1714 /* [98] */ INVALID, INVALID, INVALID, INVALID,
1715 /* [9C] */ INVALID, INVALID, INVALID, INVALID,
1716
1717 /* [A0] */ INVALID, INVALID, INVALID, INVALID,
1718 /* [A4] */ INVALID, INVALID, INVALID, INVALID,
1719 /* [A8] */ INVALID, INVALID, INVALID, INVALID,
1720 /* [AC] */ INVALID, INVALID, INVALID, INVALID,
1721
1722 /* [B0] */ INVALID, INVALID, INVALID, INVALID,
1723 /* [B4] */ INVALID, INVALID, INVALID, INVALID,
1724 /* [B8] */ INVALID, INVALID, INVALID, INVALID,
1725 /* [BC] */ INVALID, INVALID, INVALID, INVALID,
1726
1727 /* [C0] */ INVALID, INVALID, INVALID, INVALID,
1728 /* [C4] */ INVALID, INVALID, INVALID, INVALID,
1729 /* [C8] */ INVALID, INVALID, INVALID, INVALID,
1730 /* [CC] */ INVALID, INVALID, INVALID, INVALID,
1731
1732 /* [D0] */ INVALID, INVALID, INVALID, INVALID,
1733 /* [D4] */ INVALID, INVALID, INVALID, INVALID,
1734 /* [D8] */ INVALID, INVALID, INVALID, INVALID,
1735 /* [DC] */ INVALID, INVALID, INVALID, TNSZ("vaeskeygenassist",VEX_MXI,16),
1736
1737 /* [E0] */ INVALID, INVALID, INVALID, INVALID,
1738 /* [E4] */ INVALID, INVALID, INVALID, INVALID,
1739 /* [E8] */ INVALID, INVALID, INVALID, INVALID,
1740 /* [EC] */ INVALID, INVALID, INVALID, INVALID,
1741
1742 /* [F0] */ INVALID, INVALID, INVALID, INVALID,
1743 /* [F4] */ INVALID, INVALID, INVALID, INVALID,
1744 /* [F8] */ INVALID, INVALID, INVALID, INVALID,
1745 /* [FC] */ INVALID, INVALID, INVALID, INVALID,
1746 };
1747
1748 /*
1749 * Decode table for 0x0F0D which uses the first byte of the mod_rm to
1750 * indicate a sub-code.
1751 */
1752 const instable_t dis_op0F0D[8] = {
1753 /* [00] */ INVALID, TNS("prefetchw",PREF), TNS("prefetchwt1",PREF),INVALID,
1754 /* [04] */ INVALID, INVALID, INVALID, INVALID,
1755 };
1756
1757 /*
1758 * Decode table for 0x0F opcodes
1759 */
1760
1761 const instable_t dis_op0F[16][16] = {
1762 {
1763 /* [00] */ IND(dis_op0F00), IND(dis_op0F01), TNS("lar",MR), TNS("lsl",MR),
1764 /* [04] */ INVALID, TNS("syscall",NORM), TNS("clts",NORM), TNS("sysret",NORM),
1765 /* [08] */ TNS("invd",NORM), TNS("wbinvd",NORM), INVALID, TNS("ud2",NORM),
1766 /* [0C] */ INVALID, IND(dis_op0F0D), INVALID, INVALID,
1767 }, {
1768 /* [10] */ TNSZ("movups",XMMO,16), TNSZ("movups",XMMOS,16),TNSZ("movlps",XMMO,8), TNSZ("movlps",XMMOS,8),
1769 /* [14] */ TNSZ("unpcklps",XMMO,16),TNSZ("unpckhps",XMMO,16),TNSZ("movhps",XMMOM,8),TNSZ("movhps",XMMOMS,8),
1770 /* [18] */ IND(dis_op0F18), INVALID, INVALID, INVALID,
1771 /* [1C] */ INVALID, INVALID, INVALID, TS("nop",Mw),
1772 }, {
1773 /* [20] */ TSy("mov",SREG), TSy("mov",SREG), TSy("mov",SREG), TSy("mov",SREG),
1774 /* [24] */ TSx("mov",SREG), INVALID, TSx("mov",SREG), INVALID,
1775 /* [28] */ TNSZ("movaps",XMMO,16), TNSZ("movaps",XMMOS,16),TNSZ("cvtpi2ps",XMMOMX,8),TNSZ("movntps",XMMOS,16),
1776 /* [2C] */ TNSZ("cvttps2pi",XMMOXMM,8),TNSZ("cvtps2pi",XMMOXMM,8),TNSZ("ucomiss",XMMO,4),TNSZ("comiss",XMMO,4),
1777 }, {
1778 /* [30] */ TNS("wrmsr",NORM), TNS("rdtsc",NORM), TNS("rdmsr",NORM), TNS("rdpmc",NORM),
1779 /* [34] */ TNSx("sysenter",NORM), TNSx("sysexit",NORM), INVALID, INVALID,
1780 /* [38] */ INVALID, INVALID, INVALID, INVALID,
1781 /* [3C] */ INVALID, INVALID, INVALID, INVALID,
1782 }, {
1783 /* [40] */ TS("cmovx.o",MR), TS("cmovx.no",MR), TS("cmovx.b",MR), TS("cmovx.ae",MR),
1784 /* [44] */ TS("cmovx.e",MR), TS("cmovx.ne",MR), TS("cmovx.be",MR), TS("cmovx.a",MR),
1785 /* [48] */ TS("cmovx.s",MR), TS("cmovx.ns",MR), TS("cmovx.pe",MR), TS("cmovx.po",MR),
1786 /* [4C] */ TS("cmovx.l",MR), TS("cmovx.ge",MR), TS("cmovx.le",MR), TS("cmovx.g",MR),
1787 }, {
1788 /* [50] */ TNS("movmskps",XMMOX3), TNSZ("sqrtps",XMMO,16), TNSZ("rsqrtps",XMMO,16),TNSZ("rcpps",XMMO,16),
1789 /* [54] */ TNSZ("andps",XMMO,16), TNSZ("andnps",XMMO,16), TNSZ("orps",XMMO,16), TNSZ("xorps",XMMO,16),
1790 /* [58] */ TNSZ("addps",XMMO,16), TNSZ("mulps",XMMO,16), TNSZ("cvtps2pd",XMMO,8),TNSZ("cvtdq2ps",XMMO,16),
1791 /* [5C] */ TNSZ("subps",XMMO,16), TNSZ("minps",XMMO,16), TNSZ("divps",XMMO,16), TNSZ("maxps",XMMO,16),
1792 }, {
1793 /* [60] */ TNSZ("punpcklbw",MMO,4),TNSZ("punpcklwd",MMO,4),TNSZ("punpckldq",MMO,4),TNSZ("packsswb",MMO,8),
1794 /* [64] */ TNSZ("pcmpgtb",MMO,8), TNSZ("pcmpgtw",MMO,8), TNSZ("pcmpgtd",MMO,8), TNSZ("packuswb",MMO,8),
1795 /* [68] */ TNSZ("punpckhbw",MMO,8),TNSZ("punpckhwd",MMO,8),TNSZ("punpckhdq",MMO,8),TNSZ("packssdw",MMO,8),
1796 /* [6C] */ TNSZ("INVALID",MMO,0), TNSZ("INVALID",MMO,0), TNSZ("movd",MMO,4), TNSZ("movq",MMO,8),
1797 }, {
1798 /* [70] */ TNSZ("pshufw",MMOPM,8), TNS("psrXXX",MR), TNS("psrXXX",MR), TNS("psrXXX",MR),
1799 /* [74] */ TNSZ("pcmpeqb",MMO,8), TNSZ("pcmpeqw",MMO,8), TNSZ("pcmpeqd",MMO,8), TNS("emms",NORM),
1800 /* [78] */ TNSy("vmread",RM), TNSy("vmwrite",MR), INVALID, INVALID,
1801 /* [7C] */ INVALID, INVALID, TNSZ("movd",MMOS,4), TNSZ("movq",MMOS,8),
1802 }, {
1803 /* [80] */ TNS("jo",D), TNS("jno",D), TNS("jb",D), TNS("jae",D),
1804 /* [84] */ TNS("je",D), TNS("jne",D), TNS("jbe",D), TNS("ja",D),
1805 /* [88] */ TNS("js",D), TNS("jns",D), TNS("jp",D), TNS("jnp",D),
1806 /* [8C] */ TNS("jl",D), TNS("jge",D), TNS("jle",D), TNS("jg",D),
1807 }, {
1808 /* [90] */ TNS("seto",Mb), TNS("setno",Mb), TNS("setb",Mb), TNS("setae",Mb),
1809 /* [94] */ TNS("sete",Mb), TNS("setne",Mb), TNS("setbe",Mb), TNS("seta",Mb),
1810 /* [98] */ TNS("sets",Mb), TNS("setns",Mb), TNS("setp",Mb), TNS("setnp",Mb),
1811 /* [9C] */ TNS("setl",Mb), TNS("setge",Mb), TNS("setle",Mb), TNS("setg",Mb),
1812 }, {
1813 /* [A0] */ TSp("push",LSEG), TSp("pop",LSEG), TNS("cpuid",NORM), TS("bt",RMw),
1814 /* [A4] */ TS("shld",DSHIFT), TS("shld",DSHIFTcl), INVALID, INVALID,
1815 /* [A8] */ TSp("push",LSEG), TSp("pop",LSEG), TNS("rsm",NORM), TS("bts",RMw),
1816 /* [AC] */ TS("shrd",DSHIFT), TS("shrd",DSHIFTcl), IND(dis_op0FAE), TS("imul",MRw),
1817 }, {
1818 /* [B0] */ TNS("cmpxchgb",RMw), TS("cmpxchg",RMw), TS("lss",MR), TS("btr",RMw),
1819 /* [B4] */ TS("lfs",MR), TS("lgs",MR), TS("movzb",MOVZ), TNS("movzwl",MOVZ),
1820 /* [B8] */ TNS("INVALID",MRw), INVALID, IND(dis_op0FBA), TS("btc",RMw),
1821 /* [BC] */ TS("bsf",MRw), TS("bsr",MRw), TS("movsb",MOVZ), TNS("movswl",MOVZ),
1822 }, {
1823 /* [C0] */ TNS("xaddb",XADDB), TS("xadd",RMw), TNSZ("cmpps",XMMOPM,16),TNS("movnti",RM),
1824 /* [C4] */ TNSZ("pinsrw",MMOPRM,2),TNS("pextrw",MMO3P), TNSZ("shufps",XMMOPM,16),IND(dis_op0FC7),
1825 /* [C8] */ INVALID, INVALID, INVALID, INVALID,
1826 /* [CC] */ INVALID, INVALID, INVALID, INVALID,
1827 }, {
1828 /* [D0] */ INVALID, TNSZ("psrlw",MMO,8), TNSZ("psrld",MMO,8), TNSZ("psrlq",MMO,8),
1829 /* [D4] */ TNSZ("paddq",MMO,8), TNSZ("pmullw",MMO,8), TNSZ("INVALID",MMO,0), TNS("pmovmskb",MMOM3),
1830 /* [D8] */ TNSZ("psubusb",MMO,8), TNSZ("psubusw",MMO,8), TNSZ("pminub",MMO,8), TNSZ("pand",MMO,8),
1831 /* [DC] */ TNSZ("paddusb",MMO,8), TNSZ("paddusw",MMO,8), TNSZ("pmaxub",MMO,8), TNSZ("pandn",MMO,8),
1832 }, {
1833 /* [E0] */ TNSZ("pavgb",MMO,8), TNSZ("psraw",MMO,8), TNSZ("psrad",MMO,8), TNSZ("pavgw",MMO,8),
1834 /* [E4] */ TNSZ("pmulhuw",MMO,8), TNSZ("pmulhw",MMO,8), TNS("INVALID",XMMO), TNSZ("movntq",MMOMS,8),
1835 /* [E8] */ TNSZ("psubsb",MMO,8), TNSZ("psubsw",MMO,8), TNSZ("pminsw",MMO,8), TNSZ("por",MMO,8),
1836 /* [EC] */ TNSZ("paddsb",MMO,8), TNSZ("paddsw",MMO,8), TNSZ("pmaxsw",MMO,8), TNSZ("pxor",MMO,8),
1837 }, {
1838 /* [F0] */ INVALID, TNSZ("psllw",MMO,8), TNSZ("pslld",MMO,8), TNSZ("psllq",MMO,8),
1839 /* [F4] */ TNSZ("pmuludq",MMO,8), TNSZ("pmaddwd",MMO,8), TNSZ("psadbw",MMO,8), TNSZ("maskmovq",MMOIMPL,8),
1840 /* [F8] */ TNSZ("psubb",MMO,8), TNSZ("psubw",MMO,8), TNSZ("psubd",MMO,8), TNSZ("psubq",MMO,8),
1841 /* [FC] */ TNSZ("paddb",MMO,8), TNSZ("paddw",MMO,8), TNSZ("paddd",MMO,8), INVALID,
1842 } };
1843
1844 const instable_t dis_opAVX0F[16][16] = {
1845 {
1846 /* [00] */ INVALID, INVALID, INVALID, INVALID,
1847 /* [04] */ INVALID, INVALID, INVALID, INVALID,
1848 /* [08] */ INVALID, INVALID, INVALID, INVALID,
1849 /* [0C] */ INVALID, INVALID, INVALID, INVALID,
1850 }, {
1851 /* [10] */ TNSZ("vmovups",VEX_MX,16), TNSZ("vmovups",VEX_RM,16),TNSZ("vmovlps",VEX_RMrX,8), TNSZ("vmovlps",VEX_RM,8),
1852 /* [14] */ TNSZ("vunpcklps",VEX_RMrX,16),TNSZ("vunpckhps",VEX_RMrX,16),TNSZ("vmovhps",VEX_RMrX,8),TNSZ("vmovhps",VEX_RM,8),
1853 /* [18] */ INVALID, INVALID, INVALID, INVALID,
1854 /* [1C] */ INVALID, INVALID, INVALID, INVALID,
1855 }, {
1856 /* [20] */ INVALID, INVALID, INVALID, INVALID,
1857 /* [24] */ INVALID, INVALID, INVALID, INVALID,
1858 /* [28] */ TNSZ("vmovaps",VEX_MX,16), TNSZ("vmovaps",VEX_RX,16),INVALID, TNSZ("vmovntps",VEX_RM,16),
1859 /* [2C] */ INVALID, INVALID, TNSZ("vucomiss",VEX_MX,4),TNSZ("vcomiss",VEX_MX,4),
1860 }, {
1861 /* [30] */ INVALID, INVALID, INVALID, INVALID,
1862 /* [34] */ INVALID, INVALID, INVALID, INVALID,
1863 /* [38] */ INVALID, INVALID, INVALID, INVALID,
1864 /* [3C] */ INVALID, INVALID, INVALID, INVALID,
1865 }, {
1866 /* [40] */ INVALID, INVALID, INVALID, INVALID,
1867 /* [44] */ INVALID, INVALID, INVALID, INVALID,
1868 /* [48] */ INVALID, INVALID, INVALID, INVALID,
1869 /* [4C] */ INVALID, INVALID, INVALID, INVALID,
1870 }, {
1871 /* [50] */ TNS("vmovmskps",VEX_MR), TNSZ("vsqrtps",VEX_MX,16), TNSZ("vrsqrtps",VEX_MX,16),TNSZ("vrcpps",VEX_MX,16),
1872 /* [54] */ TNSZ("vandps",VEX_RMrX,16), TNSZ("vandnps",VEX_RMrX,16), TNSZ("vorps",VEX_RMrX,16), TNSZ("vxorps",VEX_RMrX,16),
1873 /* [58] */ TNSZ("vaddps",VEX_RMrX,16), TNSZ("vmulps",VEX_RMrX,16), TNSZ("vcvtps2pd",VEX_MX,8),TNSZ("vcvtdq2ps",VEX_MX,16),
1874 /* [5C] */ TNSZ("vsubps",VEX_RMrX,16), TNSZ("vminps",VEX_RMrX,16), TNSZ("vdivps",VEX_RMrX,16), TNSZ("vmaxps",VEX_RMrX,16),
1875 }, {
1876 /* [60] */ INVALID, INVALID, INVALID, INVALID,
1877 /* [64] */ INVALID, INVALID, INVALID, INVALID,
1878 /* [68] */ INVALID, INVALID, INVALID, INVALID,
1879 /* [6C] */ INVALID, INVALID, INVALID, INVALID,
1880 }, {
1881 /* [70] */ INVALID, INVALID, INVALID, INVALID,
1882 /* [74] */ INVALID, INVALID, INVALID, TNS("vzeroupper", VEX_NONE),
1883 /* [78] */ INVALID, INVALID, INVALID, INVALID,
1884 /* [7C] */ INVALID, INVALID, INVALID, INVALID,
1885 }, {
1886 /* [80] */ INVALID, INVALID, INVALID, INVALID,
1887 /* [84] */ INVALID, INVALID, INVALID, INVALID,
1888 /* [88] */ INVALID, INVALID, INVALID, INVALID,
1889 /* [8C] */ INVALID, INVALID, INVALID, INVALID,
1890 }, {
1891 /* [90] */ INVALID, INVALID, INVALID, INVALID,
1892 /* [94] */ INVALID, INVALID, INVALID, INVALID,
1893 /* [98] */ INVALID, INVALID, INVALID, INVALID,
1894 /* [9C] */ INVALID, INVALID, INVALID, INVALID,
1895 }, {
1896 /* [A0] */ INVALID, INVALID, INVALID, INVALID,
1897 /* [A4] */ INVALID, INVALID, INVALID, INVALID,
1898 /* [A8] */ INVALID, INVALID, INVALID, INVALID,
1899 /* [AC] */ INVALID, INVALID, TNSZ("vldmxcsr",VEX_MO,2), INVALID,
1900 }, {
1901 /* [B0] */ INVALID, INVALID, INVALID, INVALID,
1902 /* [B4] */ INVALID, INVALID, INVALID, INVALID,
1903 /* [B8] */ INVALID, INVALID, INVALID, INVALID,
1904 /* [BC] */ INVALID, INVALID, INVALID, INVALID,
1905 }, {
1906 /* [C0] */ INVALID, INVALID, TNSZ("vcmpps",VEX_RMRX,16),INVALID,
1907 /* [C4] */ INVALID, INVALID, TNSZ("vshufps",VEX_RMRX,16),INVALID,
1908 /* [C8] */ INVALID, INVALID, INVALID, INVALID,
1909 /* [CC] */ INVALID, INVALID, INVALID, INVALID,
1910 }, {
1911 /* [D0] */ INVALID, INVALID, INVALID, INVALID,
1912 /* [D4] */ INVALID, INVALID, INVALID, INVALID,
1913 /* [D8] */ INVALID, INVALID, INVALID, INVALID,
1914 /* [DC] */ INVALID, INVALID, INVALID, INVALID,
1915 }, {
1916 /* [E0] */ INVALID, INVALID, INVALID, INVALID,
1917 /* [E4] */ INVALID, INVALID, INVALID, INVALID,
1918 /* [E8] */ INVALID, INVALID, INVALID, INVALID,
1919 /* [EC] */ INVALID, INVALID, INVALID, INVALID,
1920 }, {
1921 /* [F0] */ INVALID, INVALID, TNSZvr("andn",VEX_RMrX,5),TNSZvr("bls",BLS,5),
1922 /* [F4] */ INVALID, TNSZvr("bzhi",VEX_VRMrX,5),INVALID, TNSZvr("bextr",VEX_VRMrX,5),
1923 /* [F8] */ INVALID, INVALID, INVALID, INVALID,
1924 /* [FC] */ INVALID, INVALID, INVALID, INVALID,
1925 } };
1926
1927 /*
1928 * Decode table for 0x80 opcodes
1929 */
1930
1931 const instable_t dis_op80[8] = {
1932
1933 /* [0] */ TNS("addb",IMlw), TNS("orb",IMw), TNS("adcb",IMlw), TNS("sbbb",IMlw),
1934 /* [4] */ TNS("andb",IMw), TNS("subb",IMlw), TNS("xorb",IMw), TNS("cmpb",IMlw),
1935 };
1936
1937
1938 /*
1939 * Decode table for 0x81 opcodes.
1940 */
1941
1942 const instable_t dis_op81[8] = {
1943
1944 /* [0] */ TS("add",IMlw), TS("or",IMw), TS("adc",IMlw), TS("sbb",IMlw),
1945 /* [4] */ TS("and",IMw), TS("sub",IMlw), TS("xor",IMw), TS("cmp",IMlw),
1946 };
1947
1948
1949 /*
1950 * Decode table for 0x82 opcodes.
1951 */
1952
1953 const instable_t dis_op82[8] = {
1954
1955 /* [0] */ TNSx("addb",IMlw), TNSx("orb",IMlw), TNSx("adcb",IMlw), TNSx("sbbb",IMlw),
1956 /* [4] */ TNSx("andb",IMlw), TNSx("subb",IMlw), TNSx("xorb",IMlw), TNSx("cmpb",IMlw),
1957 };
1958 /*
1959 * Decode table for 0x83 opcodes.
1960 */
1961
1962 const instable_t dis_op83[8] = {
1963
1964 /* [0] */ TS("add",IMlw), TS("or",IMlw), TS("adc",IMlw), TS("sbb",IMlw),
1965 /* [4] */ TS("and",IMlw), TS("sub",IMlw), TS("xor",IMlw), TS("cmp",IMlw),
1966 };
1967
1968 /*
1969 * Decode table for 0xC0 opcodes.
1970 */
1971
1972 const instable_t dis_opC0[8] = {
1973
1974 /* [0] */ TNS("rolb",MvI), TNS("rorb",MvI), TNS("rclb",MvI), TNS("rcrb",MvI),
1975 /* [4] */ TNS("shlb",MvI), TNS("shrb",MvI), INVALID, TNS("sarb",MvI),
1976 };
1977
1978 /*
1979 * Decode table for 0xD0 opcodes.
1980 */
1981
1982 const instable_t dis_opD0[8] = {
1983
1984 /* [0] */ TNS("rolb",Mv), TNS("rorb",Mv), TNS("rclb",Mv), TNS("rcrb",Mv),
1985 /* [4] */ TNS("shlb",Mv), TNS("shrb",Mv), TNS("salb",Mv), TNS("sarb",Mv),
1986 };
1987
1988 /*
1989 * Decode table for 0xC1 opcodes.
1990 * 186 instruction set
1991 */
1992
1993 const instable_t dis_opC1[8] = {
1994
1995 /* [0] */ TS("rol",MvI), TS("ror",MvI), TS("rcl",MvI), TS("rcr",MvI),
1996 /* [4] */ TS("shl",MvI), TS("shr",MvI), TS("sal",MvI), TS("sar",MvI),
1997 };
1998
1999 /*
2000 * Decode table for 0xD1 opcodes.
2001 */
2002
2003 const instable_t dis_opD1[8] = {
2004
2005 /* [0] */ TS("rol",Mv), TS("ror",Mv), TS("rcl",Mv), TS("rcr",Mv),
2006 /* [4] */ TS("shl",Mv), TS("shr",Mv), TS("sal",Mv), TS("sar",Mv),
2007 };
2008
2009
2010 /*
2011 * Decode table for 0xD2 opcodes.
2012 */
2013
2014 const instable_t dis_opD2[8] = {
2015
2016 /* [0] */ TNS("rolb",Mv), TNS("rorb",Mv), TNS("rclb",Mv), TNS("rcrb",Mv),
2017 /* [4] */ TNS("shlb",Mv), TNS("shrb",Mv), TNS("salb",Mv), TNS("sarb",Mv),
2018 };
2019 /*
2020 * Decode table for 0xD3 opcodes.
2021 */
2022
2023 const instable_t dis_opD3[8] = {
2024
2025 /* [0] */ TS("rol",Mv), TS("ror",Mv), TS("rcl",Mv), TS("rcr",Mv),
2026 /* [4] */ TS("shl",Mv), TS("shr",Mv), TS("salb",Mv), TS("sar",Mv),
2027 };
2028
2029
2030 /*
2031 * Decode table for 0xF6 opcodes.
2032 */
2033
2034 const instable_t dis_opF6[8] = {
2035
2036 /* [0] */ TNS("testb",IMw), TNS("testb",IMw), TNS("notb",Mw), TNS("negb",Mw),
2037 /* [4] */ TNS("mulb",MA), TNS("imulb",MA), TNS("divb",MA), TNS("idivb",MA),
2038 };
2039
2040
2041 /*
2042 * Decode table for 0xF7 opcodes.
2043 */
2044
2045 const instable_t dis_opF7[8] = {
2046
2047 /* [0] */ TS("test",IMw), TS("test",IMw), TS("not",Mw), TS("neg",Mw),
2048 /* [4] */ TS("mul",MA), TS("imul",MA), TS("div",MA), TS("idiv",MA),
2049 };
2050
2051
2052 /*
2053 * Decode table for 0xFE opcodes.
2054 */
2055
2056 const instable_t dis_opFE[8] = {
2057
2058 /* [0] */ TNS("incb",Mw), TNS("decb",Mw), INVALID, INVALID,
2059 /* [4] */ INVALID, INVALID, INVALID, INVALID,
2060 };
2061 /*
2062 * Decode table for 0xFF opcodes.
2063 */
2064
2065 const instable_t dis_opFF[8] = {
2066
2067 /* [0] */ TS("inc",Mw), TS("dec",Mw), TNSyp("call",INM), TNS("lcall",INM),
2068 /* [4] */ TNSy("jmp",INM), TNS("ljmp",INM), TSp("push",M), INVALID,
2069 };
2070
2071 /* for 287 instructions, which are a mess to decode */
2072
2073 const instable_t dis_opFP1n2[8][8] = {
2074 {
2075 /* bit pattern: 1101 1xxx MODxx xR/M */
2076 /* [0,0] */ TNS("fadds",M), TNS("fmuls",M), TNS("fcoms",M), TNS("fcomps",M),
2077 /* [0,4] */ TNS("fsubs",M), TNS("fsubrs",M), TNS("fdivs",M), TNS("fdivrs",M),
2078 }, {
2079 /* [1,0] */ TNS("flds",M), INVALID, TNS("fsts",M), TNS("fstps",M),
2080 /* [1,4] */ TNSZ("fldenv",M,28), TNSZ("fldcw",M,2), TNSZ("fnstenv",M,28), TNSZ("fnstcw",M,2),
2081 }, {
2082 /* [2,0] */ TNS("fiaddl",M), TNS("fimull",M), TNS("ficoml",M), TNS("ficompl",M),
2083 /* [2,4] */ TNS("fisubl",M), TNS("fisubrl",M), TNS("fidivl",M), TNS("fidivrl",M),
2084 }, {
2085 /* [3,0] */ TNS("fildl",M), TNSZ("tisttpl",M,4), TNS("fistl",M), TNS("fistpl",M),
2086 /* [3,4] */ INVALID, TNSZ("fldt",M,10), INVALID, TNSZ("fstpt",M,10),
2087 }, {
2088 /* [4,0] */ TNSZ("faddl",M,8), TNSZ("fmull",M,8), TNSZ("fcoml",M,8), TNSZ("fcompl",M,8),
2089 /* [4,1] */ TNSZ("fsubl",M,8), TNSZ("fsubrl",M,8), TNSZ("fdivl",M,8), TNSZ("fdivrl",M,8),
2090 }, {
2091 /* [5,0] */ TNSZ("fldl",M,8), TNSZ("fisttpll",M,8), TNSZ("fstl",M,8), TNSZ("fstpl",M,8),
2092 /* [5,4] */ TNSZ("frstor",M,108), INVALID, TNSZ("fnsave",M,108), TNSZ("fnstsw",M,2),
2093 }, {
2094 /* [6,0] */ TNSZ("fiadd",M,2), TNSZ("fimul",M,2), TNSZ("ficom",M,2), TNSZ("ficomp",M,2),
2095 /* [6,4] */ TNSZ("fisub",M,2), TNSZ("fisubr",M,2), TNSZ("fidiv",M,2), TNSZ("fidivr",M,2),
2096 }, {
2097 /* [7,0] */ TNSZ("fild",M,2), TNSZ("fisttp",M,2), TNSZ("fist",M,2), TNSZ("fistp",M,2),
2098 /* [7,4] */ TNSZ("fbld",M,10), TNSZ("fildll",M,8), TNSZ("fbstp",M,10), TNSZ("fistpll",M,8),
2099 } };
2100
2101 const instable_t dis_opFP3[8][8] = {
2102 {
2103 /* bit pattern: 1101 1xxx 11xx xREG */
2104 /* [0,0] */ TNS("fadd",FF), TNS("fmul",FF), TNS("fcom",F), TNS("fcomp",F),
2105 /* [0,4] */ TNS("fsub",FF), TNS("fsubr",FF), TNS("fdiv",FF), TNS("fdivr",FF),
2106 }, {
2107 /* [1,0] */ TNS("fld",F), TNS("fxch",F), TNS("fnop",NORM), TNS("fstp",F),
2108 /* [1,4] */ INVALID, INVALID, INVALID, INVALID,
2109 }, {
2110 /* [2,0] */ INVALID, INVALID, INVALID, INVALID,
2111 /* [2,4] */ INVALID, TNS("fucompp",NORM), INVALID, INVALID,
2112 }, {
2113 /* [3,0] */ INVALID, INVALID, INVALID, INVALID,
2114 /* [3,4] */ INVALID, INVALID, INVALID, INVALID,
2115 }, {
2116 /* [4,0] */ TNS("fadd",FF), TNS("fmul",FF), TNS("fcom",F), TNS("fcomp",F),
2117 /* [4,4] */ TNS("fsub",FF), TNS("fsubr",FF), TNS("fdiv",FF), TNS("fdivr",FF),
2118 }, {
2119 /* [5,0] */ TNS("ffree",F), TNS("fxch",F), TNS("fst",F), TNS("fstp",F),
2120 /* [5,4] */ TNS("fucom",F), TNS("fucomp",F), INVALID, INVALID,
2121 }, {
2122 /* [6,0] */ TNS("faddp",FF), TNS("fmulp",FF), TNS("fcomp",F), TNS("fcompp",NORM),
2123 /* [6,4] */ TNS("fsubp",FF), TNS("fsubrp",FF), TNS("fdivp",FF), TNS("fdivrp",FF),
2124 }, {
2125 /* [7,0] */ TNS("ffreep",F), TNS("fxch",F), TNS("fstp",F), TNS("fstp",F),
2126 /* [7,4] */ TNS("fnstsw",M), TNS("fucomip",FFC), TNS("fcomip",FFC), INVALID,
2127 } };
2128
2129 const instable_t dis_opFP4[4][8] = {
2130 {
2131 /* bit pattern: 1101 1001 111x xxxx */
2132 /* [0,0] */ TNS("fchs",NORM), TNS("fabs",NORM), INVALID, INVALID,
2133 /* [0,4] */ TNS("ftst",NORM), TNS("fxam",NORM), TNS("ftstp",NORM), INVALID,
2134 }, {
2135 /* [1,0] */ TNS("fld1",NORM), TNS("fldl2t",NORM), TNS("fldl2e",NORM), TNS("fldpi",NORM),
2136 /* [1,4] */ TNS("fldlg2",NORM), TNS("fldln2",NORM), TNS("fldz",NORM), INVALID,
2137 }, {
2138 /* [2,0] */ TNS("f2xm1",NORM), TNS("fyl2x",NORM), TNS("fptan",NORM), TNS("fpatan",NORM),
2139 /* [2,4] */ TNS("fxtract",NORM), TNS("fprem1",NORM), TNS("fdecstp",NORM), TNS("fincstp",NORM),
2140 }, {
2141 /* [3,0] */ TNS("fprem",NORM), TNS("fyl2xp1",NORM), TNS("fsqrt",NORM), TNS("fsincos",NORM),
2142 /* [3,4] */ TNS("frndint",NORM), TNS("fscale",NORM), TNS("fsin",NORM), TNS("fcos",NORM),
2143 } };
2144
2145 const instable_t dis_opFP5[8] = {
2146 /* bit pattern: 1101 1011 111x xxxx */
2147 /* [0] */ TNS("feni",NORM), TNS("fdisi",NORM), TNS("fnclex",NORM), TNS("fninit",NORM),
2148 /* [4] */ TNS("fsetpm",NORM), TNS("frstpm",NORM), INVALID, INVALID,
2149 };
2150
2151 const instable_t dis_opFP6[8] = {
2152 /* bit pattern: 1101 1011 11yy yxxx */
2153 /* [00] */ TNS("fcmov.nb",FF), TNS("fcmov.ne",FF), TNS("fcmov.nbe",FF), TNS("fcmov.nu",FF),
2154 /* [04] */ INVALID, TNS("fucomi",F), TNS("fcomi",F), INVALID,
2155 };
2156
2157 const instable_t dis_opFP7[8] = {
2158 /* bit pattern: 1101 1010 11yy yxxx */
2159 /* [00] */ TNS("fcmov.b",FF), TNS("fcmov.e",FF), TNS("fcmov.be",FF), TNS("fcmov.u",FF),
2160 /* [04] */ INVALID, INVALID, INVALID, INVALID,
2161 };
2162
2163 /*
2164 * Main decode table for the op codes. The first two nibbles
2165 * will be used as an index into the table. If there is a
2166 * a need to further decode an instruction, the array to be
2167 * referenced is indicated with the other two entries being
2168 * empty.
2169 */
2170
2171 const instable_t dis_distable[16][16] = {
2172 {
2173 /* [0,0] */ TNS("addb",RMw), TS("add",RMw), TNS("addb",MRw), TS("add",MRw),
2174 /* [0,4] */ TNS("addb",IA), TS("add",IA), TSx("push",SEG), TSx("pop",SEG),
2175 /* [0,8] */ TNS("orb",RMw), TS("or",RMw), TNS("orb",MRw), TS("or",MRw),
2176 /* [0,C] */ TNS("orb",IA), TS("or",IA), TSx("push",SEG), IND(dis_op0F),
2177 }, {
2178 /* [1,0] */ TNS("adcb",RMw), TS("adc",RMw), TNS("adcb",MRw), TS("adc",MRw),
2179 /* [1,4] */ TNS("adcb",IA), TS("adc",IA), TSx("push",SEG), TSx("pop",SEG),
2180 /* [1,8] */ TNS("sbbb",RMw), TS("sbb",RMw), TNS("sbbb",MRw), TS("sbb",MRw),
2181 /* [1,C] */ TNS("sbbb",IA), TS("sbb",IA), TSx("push",SEG), TSx("pop",SEG),
2182 }, {
2183 /* [2,0] */ TNS("andb",RMw), TS("and",RMw), TNS("andb",MRw), TS("and",MRw),
2184 /* [2,4] */ TNS("andb",IA), TS("and",IA), TNSx("%es:",OVERRIDE), TNSx("daa",NORM),
2185 /* [2,8] */ TNS("subb",RMw), TS("sub",RMw), TNS("subb",MRw), TS("sub",MRw),
2186 /* [2,C] */ TNS("subb",IA), TS("sub",IA), TNS("%cs:",OVERRIDE), TNSx("das",NORM),
2187 }, {
2188 /* [3,0] */ TNS("xorb",RMw), TS("xor",RMw), TNS("xorb",MRw), TS("xor",MRw),
2189 /* [3,4] */ TNS("xorb",IA), TS("xor",IA), TNSx("%ss:",OVERRIDE), TNSx("aaa",NORM),
2190 /* [3,8] */ TNS("cmpb",RMw), TS("cmp",RMw), TNS("cmpb",MRw), TS("cmp",MRw),
2191 /* [3,C] */ TNS("cmpb",IA), TS("cmp",IA), TNSx("%ds:",OVERRIDE), TNSx("aas",NORM),
2192 }, {
2193 /* [4,0] */ TSx("inc",R), TSx("inc",R), TSx("inc",R), TSx("inc",R),
2194 /* [4,4] */ TSx("inc",R), TSx("inc",R), TSx("inc",R), TSx("inc",R),
2195 /* [4,8] */ TSx("dec",R), TSx("dec",R), TSx("dec",R), TSx("dec",R),
2196 /* [4,C] */ TSx("dec",R), TSx("dec",R), TSx("dec",R), TSx("dec",R),
2197 }, {
2198 /* [5,0] */ TSp("push",R), TSp("push",R), TSp("push",R), TSp("push",R),
2199 /* [5,4] */ TSp("push",R), TSp("push",R), TSp("push",R), TSp("push",R),
2200 /* [5,8] */ TSp("pop",R), TSp("pop",R), TSp("pop",R), TSp("pop",R),
2201 /* [5,C] */ TSp("pop",R), TSp("pop",R), TSp("pop",R), TSp("pop",R),
2202 }, {
2203 /* [6,0] */ TSZx("pusha",IMPLMEM,28),TSZx("popa",IMPLMEM,28), TSx("bound",MR), TNS("arpl",RMw),
2204 /* [6,4] */ TNS("%fs:",OVERRIDE), TNS("%gs:",OVERRIDE), TNS("data16",DM), TNS("addr16",AM),
2205 /* [6,8] */ TSp("push",I), TS("imul",IMUL), TSp("push",Ib), TS("imul",IMUL),
2206 /* [6,C] */ TNSZ("insb",IMPLMEM,1), TSZ("ins",IMPLMEM,4), TNSZ("outsb",IMPLMEM,1),TSZ("outs",IMPLMEM,4),
2207 }, {
2208 /* [7,0] */ TNSy("jo",BD), TNSy("jno",BD), TNSy("jb",BD), TNSy("jae",BD),
2209 /* [7,4] */ TNSy("je",BD), TNSy("jne",BD), TNSy("jbe",BD), TNSy("ja",BD),
2210 /* [7,8] */ TNSy("js",BD), TNSy("jns",BD), TNSy("jp",BD), TNSy("jnp",BD),
2211 /* [7,C] */ TNSy("jl",BD), TNSy("jge",BD), TNSy("jle",BD), TNSy("jg",BD),
2212 }, {
2213 /* [8,0] */ IND(dis_op80), IND(dis_op81), INDx(dis_op82), IND(dis_op83),
2214 /* [8,4] */ TNS("testb",RMw), TS("test",RMw), TNS("xchgb",RMw), TS("xchg",RMw),
2215 /* [8,8] */ TNS("movb",RMw), TS("mov",RMw), TNS("movb",MRw), TS("mov",MRw),
2216 /* [8,C] */ TNS("movw",SM), TS("lea",MR), TNS("movw",MS), TSp("pop",M),
2217 }, {
2218 /* [9,0] */ TNS("nop",NORM), TS("xchg",RA), TS("xchg",RA), TS("xchg",RA),
2219 /* [9,4] */ TS("xchg",RA), TS("xchg",RA), TS("xchg",RA), TS("xchg",RA),
2220 /* [9,8] */ TNS("cXtX",CBW), TNS("cXtX",CWD), TNSx("lcall",SO), TNS("fwait",NORM),
2221 /* [9,C] */ TSZy("pushf",IMPLMEM,4),TSZy("popf",IMPLMEM,4), TNS("sahf",NORM), TNS("lahf",NORM),
2222 }, {
2223 /* [A,0] */ TNS("movb",OA), TS("mov",OA), TNS("movb",AO), TS("mov",AO),
2224 /* [A,4] */ TNSZ("movsb",SD,1), TS("movs",SD), TNSZ("cmpsb",SD,1), TS("cmps",SD),
2225 /* [A,8] */ TNS("testb",IA), TS("test",IA), TNS("stosb",AD), TS("stos",AD),
2226 /* [A,C] */ TNS("lodsb",SA), TS("lods",SA), TNS("scasb",AD), TS("scas",AD),
2227 }, {
2228 /* [B,0] */ TNS("movb",IR), TNS("movb",IR), TNS("movb",IR), TNS("movb",IR),
2229 /* [B,4] */ TNS("movb",IR), TNS("movb",IR), TNS("movb",IR), TNS("movb",IR),
2230 /* [B,8] */ TS("mov",IR), TS("mov",IR), TS("mov",IR), TS("mov",IR),
2231 /* [B,C] */ TS("mov",IR), TS("mov",IR), TS("mov",IR), TS("mov",IR),
2232 }, {
2233 /* [C,0] */ IND(dis_opC0), IND(dis_opC1), TNSyp("ret",RET), TNSyp("ret",NORM),
2234 /* [C,4] */ TNSx("les",MR), TNSx("lds",MR), TNS("movb",IMw), TS("mov",IMw),
2235 /* [C,8] */ TNSyp("enter",ENTER), TNSyp("leave",NORM), TNS("lret",RET), TNS("lret",NORM),
2236 /* [C,C] */ TNS("int",INT3), TNS("int",INTx), TNSx("into",NORM), TNS("iret",NORM),
2237 }, {
2238 /* [D,0] */ IND(dis_opD0), IND(dis_opD1), IND(dis_opD2), IND(dis_opD3),
2239 /* [D,4] */ TNSx("aam",U), TNSx("aad",U), TNSx("falc",NORM), TNSZ("xlat",IMPLMEM,1),
2240
2241 /* 287 instructions. Note that although the indirect field */
2242 /* indicates opFP1n2 for further decoding, this is not necessarily */
2243 /* the case since the opFP arrays are not partitioned according to key1 */
2244 /* and key2. opFP1n2 is given only to indicate that we haven't */
2245 /* finished decoding the instruction. */
2246 /* [D,8] */ IND(dis_opFP1n2), IND(dis_opFP1n2), IND(dis_opFP1n2), IND(dis_opFP1n2),
2247 /* [D,C] */ IND(dis_opFP1n2), IND(dis_opFP1n2), IND(dis_opFP1n2), IND(dis_opFP1n2),
2248 }, {
2249 /* [E,0] */ TNSy("loopnz",BD), TNSy("loopz",BD), TNSy("loop",BD), TNSy("jcxz",BD),
2250 /* [E,4] */ TNS("inb",P), TS("in",P), TNS("outb",P), TS("out",P),
2251 /* [E,8] */ TNSyp("call",D), TNSy("jmp",D), TNSx("ljmp",SO), TNSy("jmp",BD),
2252 /* [E,C] */ TNS("inb",V), TS("in",V), TNS("outb",V), TS("out",V),
2253 }, {
2254 /* [F,0] */ TNS("lock",LOCK), TNS("icebp", NORM), TNS("repnz",PREFIX), TNS("repz",PREFIX),
2255 /* [F,4] */ TNS("hlt",NORM), TNS("cmc",NORM), IND(dis_opF6), IND(dis_opF7),
2256 /* [F,8] */ TNS("clc",NORM), TNS("stc",NORM), TNS("cli",NORM), TNS("sti",NORM),
2257 /* [F,C] */ TNS("cld",NORM), TNS("std",NORM), IND(dis_opFE), IND(dis_opFF),
2258 } };
2259
2260 /* END CSTYLED */
2261
2262 /*
2263 * common functions to decode and disassemble an x86 or amd64 instruction
2264 */
2265
2266 /*
2267 * These are the individual fields of a REX prefix. Note that a REX
2268 * prefix with none of these set is still needed to:
2269 * - use the MOVSXD (sign extend 32 to 64 bits) instruction
2270 * - access the %sil, %dil, %bpl, %spl registers
2271 */
2272 #define REX_W 0x08 /* 64 bit operand size when set */
2273 #define REX_R 0x04 /* high order bit extension of ModRM reg field */
2274 #define REX_X 0x02 /* high order bit extension of SIB index field */
2275 #define REX_B 0x01 /* extends ModRM r_m, SIB base, or opcode reg */
2276
2277 /*
2278 * These are the individual fields of a VEX prefix.
2279 */
2280 #define VEX_R 0x08 /* REX.R in 1's complement form */
2281 #define VEX_X 0x04 /* REX.X in 1's complement form */
2282 #define VEX_B 0x02 /* REX.B in 1's complement form */
2283 /* Vector Length, 0: scalar or 128-bit vector, 1: 256-bit vector */
2284 #define VEX_L 0x04
2285 #define VEX_W 0x08 /* opcode specific, use like REX.W */
2286 #define VEX_m 0x1F /* VEX m-mmmm field */
2287 #define VEX_v 0x78 /* VEX register specifier */
2288 #define VEX_p 0x03 /* VEX pp field, opcode extension */
2289
2290 /* VEX m-mmmm field, only used by three bytes prefix */
2291 #define VEX_m_0F 0x01 /* implied 0F leading opcode byte */
2292 #define VEX_m_0F38 0x02 /* implied 0F 38 leading opcode byte */
2293 #define VEX_m_0F3A 0x03 /* implied 0F 3A leading opcode byte */
2294
2295 /* VEX pp field, providing equivalent functionality of a SIMD prefix */
2296 #define VEX_p_66 0x01
2297 #define VEX_p_F3 0x02
2298 #define VEX_p_F2 0x03
2299
2300 /*
2301 * Even in 64 bit mode, usually only 4 byte immediate operands are supported.
2302 */
2303 static int isize[] = {1, 2, 4, 4};
2304 static int isize64[] = {1, 2, 4, 8};
2305
2306 /*
2307 * Just a bunch of useful macros.
2308 */
2309 #define WBIT(x) (x & 0x1) /* to get w bit */
2310 #define REGNO(x) (x & 0x7) /* to get 3 bit register */
2311 #define VBIT(x) ((x)>>1 & 0x1) /* to get 'v' bit */
2312 #define OPSIZE(osize, wbit) ((wbit) ? isize[osize] : 1)
2313 #define OPSIZE64(osize, wbit) ((wbit) ? isize64[osize] : 1)
2314
2315 #define REG_ONLY 3 /* mode to indicate a register operand (not memory) */
2316
2317 #define BYTE_OPND 0 /* w-bit value indicating byte register */
2318 #define LONG_OPND 1 /* w-bit value indicating opnd_size register */
2319 #define MM_OPND 2 /* "value" used to indicate a mmx reg */
2320 #define XMM_OPND 3 /* "value" used to indicate a xmm reg */
2321 #define SEG_OPND 4 /* "value" used to indicate a segment reg */
2322 #define CONTROL_OPND 5 /* "value" used to indicate a control reg */
2323 #define DEBUG_OPND 6 /* "value" used to indicate a debug reg */
2324 #define TEST_OPND 7 /* "value" used to indicate a test reg */
2325 #define WORD_OPND 8 /* w-bit value indicating word size reg */
2326 #define YMM_OPND 9 /* "value" used to indicate a ymm reg */
2327
2328 /*
2329 * The AVX2 gather instructions are a bit of a mess. While there's a pattern,
2330 * there's not really a consistent scheme that we can use to know what the mode
2331 * is supposed to be for a given type. Various instructions, like VPGATHERDD,
2332 * always match the value of VEX_L. Other instructions like VPGATHERDQ, have
2333 * some registers match VEX_L, but the VSIB is always XMM.
2334 *
2335 * The simplest way to deal with this is to just define a table based on the
2336 * instruction opcodes, which are 0x90-0x93, so we subtract 0x90 to index into
2337 * them.
2338 *
2339 * We further have to subdivide this based on the value of VEX_W and the value
2340 * of VEX_L. The array is constructed to be indexed as:
2341 * [opcode - 0x90][VEX_W][VEX_L].
2342 */
2343 /* w = 0, 0x90 */
2344 typedef struct dis_gather_regs {
2345 uint_t dgr_arg0; /* src reg */
2346 uint_t dgr_arg1; /* vsib reg */
2347 uint_t dgr_arg2; /* dst reg */
2348 char *dgr_suffix; /* suffix to append */
2349 } dis_gather_regs_t;
2350
2351 static dis_gather_regs_t dis_vgather[4][2][2] = {
2352 {
2353 /* op 0x90, W.0 */
2354 {
2355 { XMM_OPND, XMM_OPND, XMM_OPND, "d" },
2356 { YMM_OPND, YMM_OPND, YMM_OPND, "d" }
2357 },
2358 /* op 0x90, W.1 */
2359 {
2360 { XMM_OPND, XMM_OPND, XMM_OPND, "q" },
2361 { YMM_OPND, XMM_OPND, YMM_OPND, "q" }
2362 }
2363 },
2364 {
2365 /* op 0x91, W.0 */
2366 {
2367 { XMM_OPND, XMM_OPND, XMM_OPND, "d" },
2368 { XMM_OPND, YMM_OPND, XMM_OPND, "d" },
2369 },
2370 /* op 0x91, W.1 */
2371 {
2372 { XMM_OPND, XMM_OPND, XMM_OPND, "q" },
2373 { YMM_OPND, YMM_OPND, YMM_OPND, "q" },
2374 }
2375 },
2376 {
2377 /* op 0x92, W.0 */
2378 {
2379 { XMM_OPND, XMM_OPND, XMM_OPND, "s" },
2380 { YMM_OPND, YMM_OPND, YMM_OPND, "s" }
2381 },
2382 /* op 0x92, W.1 */
2383 {
2384 { XMM_OPND, XMM_OPND, XMM_OPND, "d" },
2385 { YMM_OPND, XMM_OPND, YMM_OPND, "d" }
2386 }
2387 },
2388 {
2389 /* op 0x93, W.0 */
2390 {
2391 { XMM_OPND, XMM_OPND, XMM_OPND, "s" },
2392 { XMM_OPND, YMM_OPND, XMM_OPND, "s" }
2393 },
2394 /* op 0x93, W.1 */
2395 {
2396 { XMM_OPND, XMM_OPND, XMM_OPND, "d" },
2397 { YMM_OPND, YMM_OPND, YMM_OPND, "d" }
2398 }
2399 }
2400 };
2401
2402 /*
2403 * Get the next byte and separate the op code into the high and low nibbles.
2404 */
2405 static int
2406 dtrace_get_opcode(dis86_t *x, uint_t *high, uint_t *low)
2407 {
2408 int byte;
2409
2410 /*
2411 * x86 instructions have a maximum length of 15 bytes. Bail out if
2412 * we try to read more.
2413 */
2414 if (x->d86_len >= 15)
2415 return (x->d86_error = 1);
2416
2417 if (x->d86_error)
2418 return (1);
2419 byte = x->d86_get_byte(x->d86_data);
2420 if (byte < 0)
2421 return (x->d86_error = 1);
2422 x->d86_bytes[x->d86_len++] = byte;
2423 *low = byte & 0xf; /* ----xxxx low 4 bits */
2424 *high = byte >> 4 & 0xf; /* xxxx---- bits 7 to 4 */
2425 return (0);
2426 }
2427
2428 /*
2429 * Get and decode an SIB (scaled index base) byte
2430 */
2431 static void
2432 dtrace_get_SIB(dis86_t *x, uint_t *ss, uint_t *index, uint_t *base)
2433 {
2434 int byte;
2435
2436 if (x->d86_error)
2437 return;
2438
2439 byte = x->d86_get_byte(x->d86_data);
2440 if (byte < 0) {
2441 x->d86_error = 1;
2442 return;
2443 }
2444 x->d86_bytes[x->d86_len++] = byte;
2445
2446 *base = byte & 0x7;
2447 *index = (byte >> 3) & 0x7;
2448 *ss = (byte >> 6) & 0x3;
2449 }
2450
2451 /*
2452 * Get the byte following the op code and separate it into the
2453 * mode, register, and r/m fields.
2454 */
2455 static void
2456 dtrace_get_modrm(dis86_t *x, uint_t *mode, uint_t *reg, uint_t *r_m)
2457 {
2458 if (x->d86_got_modrm == 0) {
2459 if (x->d86_rmindex == -1)
2460 x->d86_rmindex = x->d86_len;
2461 dtrace_get_SIB(x, mode, reg, r_m);
2462 x->d86_got_modrm = 1;
2463 }
2464 }
2465
2466 /*
2467 * Adjust register selection based on any REX prefix bits present.
2468 */
2469 /*ARGSUSED*/
2470 static void
2471 dtrace_rex_adjust(uint_t rex_prefix, uint_t mode, uint_t *reg, uint_t *r_m)
2472 {
2473 if (reg != NULL && r_m == NULL) {
2474 if (rex_prefix & REX_B)
2475 *reg += 8;
2476 } else {
2477 if (reg != NULL && (REX_R & rex_prefix) != 0)
2478 *reg += 8;
2479 if (r_m != NULL && (REX_B & rex_prefix) != 0)
2480 *r_m += 8;
2481 }
2482 }
2483
2484 /*
2485 * Adjust register selection based on any VEX prefix bits present.
2486 * Notes: VEX.R, VEX.X and VEX.B use the inverted form compared with REX prefix
2487 */
2488 /*ARGSUSED*/
2489 static void
2490 dtrace_vex_adjust(uint_t vex_byte1, uint_t mode, uint_t *reg, uint_t *r_m)
2491 {
2492 if (reg != NULL && r_m == NULL) {
2493 if (!(vex_byte1 & VEX_B))
2494 *reg += 8;
2495 } else {
2496 if (reg != NULL && ((VEX_R & vex_byte1) == 0))
2497 *reg += 8;
2498 if (r_m != NULL && ((VEX_B & vex_byte1) == 0))
2499 *r_m += 8;
2500 }
2501 }
2502
2503 /*
2504 * Get an immediate operand of the given size, with sign extension.
2505 */
2506 static void
2507 dtrace_imm_opnd(dis86_t *x, int wbit, int size, int opindex)
2508 {
2509 int i;
2510 int byte;
2511 int valsize;
2512
2513 if (x->d86_numopnds < opindex + 1)
2514 x->d86_numopnds = opindex + 1;
2515
2516 switch (wbit) {
2517 case BYTE_OPND:
2518 valsize = 1;
2519 break;
2520 case LONG_OPND:
2521 if (x->d86_opnd_size == SIZE16)
2522 valsize = 2;
2523 else if (x->d86_opnd_size == SIZE32)
2524 valsize = 4;
2525 else
2526 valsize = 8;
2527 break;
2528 case MM_OPND:
2529 case XMM_OPND:
2530 case YMM_OPND:
2531 case SEG_OPND:
2532 case CONTROL_OPND:
2533 case DEBUG_OPND:
2534 case TEST_OPND:
2535 valsize = size;
2536 break;
2537 case WORD_OPND:
2538 valsize = 2;
2539 break;
2540 }
2541 if (valsize < size)
2542 valsize = size;
2543
2544 if (x->d86_error)
2545 return;
2546 x->d86_opnd[opindex].d86_value = 0;
2547 for (i = 0; i < size; ++i) {
2548 byte = x->d86_get_byte(x->d86_data);
2549 if (byte < 0) {
2550 x->d86_error = 1;
2551 return;
2552 }
2553 x->d86_bytes[x->d86_len++] = byte;
2554 x->d86_opnd[opindex].d86_value |= (uint64_t)byte << (i * 8);
2555 }
2556 /* Do sign extension */
2557 if (x->d86_bytes[x->d86_len - 1] & 0x80) {
2558 for (; i < sizeof (uint64_t); i++)
2559 x->d86_opnd[opindex].d86_value |=
2560 (uint64_t)0xff << (i * 8);
2561 }
2562 #ifdef DIS_TEXT
2563 x->d86_opnd[opindex].d86_mode = MODE_SIGNED;
2564 x->d86_opnd[opindex].d86_value_size = valsize;
2565 x->d86_imm_bytes += size;
2566 #endif
2567 }
2568
2569 /*
2570 * Get an ip relative operand of the given size, with sign extension.
2571 */
2572 static void
2573 dtrace_disp_opnd(dis86_t *x, int wbit, int size, int opindex)
2574 {
2575 dtrace_imm_opnd(x, wbit, size, opindex);
2576 #ifdef DIS_TEXT
2577 x->d86_opnd[opindex].d86_mode = MODE_IPREL;
2578 #endif
2579 }
2580
2581 /*
2582 * Check to see if there is a segment override prefix pending.
2583 * If so, print it in the current 'operand' location and set
2584 * the override flag back to false.
2585 */
2586 /*ARGSUSED*/
2587 static void
2588 dtrace_check_override(dis86_t *x, int opindex)
2589 {
2590 #ifdef DIS_TEXT
2591 if (x->d86_seg_prefix) {
2592 (void) strlcat(x->d86_opnd[opindex].d86_prefix,
2593 x->d86_seg_prefix, PFIXLEN);
2594 }
2595 #endif
2596 x->d86_seg_prefix = NULL;
2597 }
2598
2599
2600 /*
2601 * Process a single instruction Register or Memory operand.
2602 *
2603 * mode = addressing mode from ModRM byte
2604 * r_m = r_m (or reg if mode == 3) field from ModRM byte
2605 * wbit = indicates which register (8bit, 16bit, ... MMX, etc.) set to use.
2606 * o = index of operand that we are processing (0, 1 or 2)
2607 *
2608 * the value of reg or r_m must have already been adjusted for any REX prefix.
2609 */
2610 /*ARGSUSED*/
2611 static void
2612 dtrace_get_operand(dis86_t *x, uint_t mode, uint_t r_m, int wbit, int opindex)
2613 {
2614 int have_SIB = 0; /* flag presence of scale-index-byte */
2615 uint_t ss; /* scale-factor from opcode */
2616 uint_t index; /* index register number */
2617 uint_t base; /* base register number */
2618 int dispsize; /* size of displacement in bytes */
2619 #ifdef DIS_TEXT
2620 char *opnd = x->d86_opnd[opindex].d86_opnd;
2621 #endif
2622
2623 if (x->d86_numopnds < opindex + 1)
2624 x->d86_numopnds = opindex + 1;
2625
2626 if (x->d86_error)
2627 return;
2628
2629 /*
2630 * first handle a simple register
2631 */
2632 if (mode == REG_ONLY) {
2633 #ifdef DIS_TEXT
2634 switch (wbit) {
2635 case MM_OPND:
2636 (void) strlcat(opnd, dis_MMREG[r_m], OPLEN);
2637 break;
2638 case XMM_OPND:
2639 (void) strlcat(opnd, dis_XMMREG[r_m], OPLEN);
2640 break;
2641 case YMM_OPND:
2642 (void) strlcat(opnd, dis_YMMREG[r_m], OPLEN);
2643 break;
2644 case SEG_OPND:
2645 (void) strlcat(opnd, dis_SEGREG[r_m], OPLEN);
2646 break;
2647 case CONTROL_OPND:
2648 (void) strlcat(opnd, dis_CONTROLREG[r_m], OPLEN);
2649 break;
2650 case DEBUG_OPND:
2651 (void) strlcat(opnd, dis_DEBUGREG[r_m], OPLEN);
2652 break;
2653 case TEST_OPND:
2654 (void) strlcat(opnd, dis_TESTREG[r_m], OPLEN);
2655 break;
2656 case BYTE_OPND:
2657 if (x->d86_rex_prefix == 0)
2658 (void) strlcat(opnd, dis_REG8[r_m], OPLEN);
2659 else
2660 (void) strlcat(opnd, dis_REG8_REX[r_m], OPLEN);
2661 break;
2662 case WORD_OPND:
2663 (void) strlcat(opnd, dis_REG16[r_m], OPLEN);
2664 break;
2665 case LONG_OPND:
2666 if (x->d86_opnd_size == SIZE16)
2667 (void) strlcat(opnd, dis_REG16[r_m], OPLEN);
2668 else if (x->d86_opnd_size == SIZE32)
2669 (void) strlcat(opnd, dis_REG32[r_m], OPLEN);
2670 else
2671 (void) strlcat(opnd, dis_REG64[r_m], OPLEN);
2672 break;
2673 }
2674 #endif /* DIS_TEXT */
2675 return;
2676 }
2677
2678 /*
2679 * if symbolic representation, skip override prefix, if any
2680 */
2681 dtrace_check_override(x, opindex);
2682
2683 /*
2684 * Handle 16 bit memory references first, since they decode
2685 * the mode values more simply.
2686 * mode 1 is r_m + 8 bit displacement
2687 * mode 2 is r_m + 16 bit displacement
2688 * mode 0 is just r_m, unless r_m is 6 which is 16 bit disp
2689 */
2690 if (x->d86_addr_size == SIZE16) {
2691 if ((mode == 0 && r_m == 6) || mode == 2)
2692 dtrace_imm_opnd(x, WORD_OPND, 2, opindex);
2693 else if (mode == 1)
2694 dtrace_imm_opnd(x, BYTE_OPND, 1, opindex);
2695 #ifdef DIS_TEXT
2696 if (mode == 0 && r_m == 6)
2697 x->d86_opnd[opindex].d86_mode = MODE_SIGNED;
2698 else if (mode == 0)
2699 x->d86_opnd[opindex].d86_mode = MODE_NONE;
2700 else
2701 x->d86_opnd[opindex].d86_mode = MODE_OFFSET;
2702 (void) strlcat(opnd, dis_addr16[mode][r_m], OPLEN);
2703 #endif
2704 return;
2705 }
2706
2707 /*
2708 * 32 and 64 bit addressing modes are more complex since they
2709 * can involve an SIB (scaled index and base) byte to decode.
2710 */
2711 if (r_m == ESP_REGNO || r_m == ESP_REGNO + 8) {
2712 have_SIB = 1;
2713 dtrace_get_SIB(x, &ss, &index, &base);
2714 if (x->d86_error)
2715 return;
2716 if (base != 5 || mode != 0)
2717 if (x->d86_rex_prefix & REX_B)
2718 base += 8;
2719 if (x->d86_rex_prefix & REX_X)
2720 index += 8;
2721 } else {
2722 base = r_m;
2723 }
2724
2725 /*
2726 * Compute the displacement size and get its bytes
2727 */
2728 dispsize = 0;
2729
2730 if (mode == 1)
2731 dispsize = 1;
2732 else if (mode == 2)
2733 dispsize = 4;
2734 else if ((r_m & 7) == EBP_REGNO ||
2735 (have_SIB && (base & 7) == EBP_REGNO))
2736 dispsize = 4;
2737
2738 if (dispsize > 0) {
2739 dtrace_imm_opnd(x, dispsize == 4 ? LONG_OPND : BYTE_OPND,
2740 dispsize, opindex);
2741 if (x->d86_error)
2742 return;
2743 }
2744
2745 #ifdef DIS_TEXT
2746 if (dispsize > 0)
2747 x->d86_opnd[opindex].d86_mode = MODE_OFFSET;
2748
2749 if (have_SIB == 0) {
2750 if (x->d86_mode == SIZE32) {
2751 if (mode == 0)
2752 (void) strlcat(opnd, dis_addr32_mode0[r_m],
2753 OPLEN);
2754 else
2755 (void) strlcat(opnd, dis_addr32_mode12[r_m],
2756 OPLEN);
2757 } else {
2758 if (mode == 0) {
2759 (void) strlcat(opnd, dis_addr64_mode0[r_m],
2760 OPLEN);
2761 if (r_m == 5) {
2762 x->d86_opnd[opindex].d86_mode =
2763 MODE_RIPREL;
2764 }
2765 } else {
2766 (void) strlcat(opnd, dis_addr64_mode12[r_m],
2767 OPLEN);
2768 }
2769 }
2770 } else {
2771 uint_t need_paren = 0;
2772 char **regs;
2773 char **bregs;
2774 const char *const *sf;
2775 if (x->d86_mode == SIZE32) /* NOTE this is not addr_size! */
2776 regs = (char **)dis_REG32;
2777 else
2778 regs = (char **)dis_REG64;
2779
2780 if (x->d86_vsib != 0) {
2781 if (wbit == YMM_OPND) /* NOTE this is not addr_size! */
2782 bregs = (char **)dis_YMMREG;
2783 else
2784 bregs = (char **)dis_XMMREG;
2785 sf = dis_vscale_factor;
2786 } else {
2787 bregs = regs;
2788 sf = dis_scale_factor;
2789 }
2790
2791 /*
2792 * print the base (if any)
2793 */
2794 if (base == EBP_REGNO && mode == 0) {
2795 if (index != ESP_REGNO || x->d86_vsib != 0) {
2796 (void) strlcat(opnd, "(", OPLEN);
2797 need_paren = 1;
2798 }
2799 } else {
2800 (void) strlcat(opnd, "(", OPLEN);
2801 (void) strlcat(opnd, regs[base], OPLEN);
2802 need_paren = 1;
2803 }
2804
2805 /*
2806 * print the index (if any)
2807 */
2808 if (index != ESP_REGNO || x->d86_vsib) {
2809 (void) strlcat(opnd, ",", OPLEN);
2810 (void) strlcat(opnd, bregs[index], OPLEN);
2811 (void) strlcat(opnd, sf[ss], OPLEN);
2812 } else
2813 if (need_paren)
2814 (void) strlcat(opnd, ")", OPLEN);
2815 }
2816 #endif
2817 }
2818
2819 /*
2820 * Operand sequence for standard instruction involving one register
2821 * and one register/memory operand.
2822 * wbit indicates a byte(0) or opnd_size(1) operation
2823 * vbit indicates direction (0 for "opcode r,r_m") or (1 for "opcode r_m, r")
2824 */
2825 #define STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, vbit) { \
2826 dtrace_get_modrm(x, &mode, ®, &r_m); \
2827 dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); \
2828 dtrace_get_operand(x, mode, r_m, wbit, vbit); \
2829 dtrace_get_operand(x, REG_ONLY, reg, wbit, 1 - vbit); \
2830 }
2831
2832 /*
2833 * Similar to above, but allows for the two operands to be of different
2834 * classes (ie. wbit).
2835 * wbit is for the r_m operand
2836 * w2 is for the reg operand
2837 */
2838 #define MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, w2, vbit) { \
2839 dtrace_get_modrm(x, &mode, ®, &r_m); \
2840 dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); \
2841 dtrace_get_operand(x, mode, r_m, wbit, vbit); \
2842 dtrace_get_operand(x, REG_ONLY, reg, w2, 1 - vbit); \
2843 }
2844
2845 /*
2846 * Similar, but for 2 operands plus an immediate.
2847 * vbit indicates direction
2848 * 0 for "opcode imm, r, r_m" or
2849 * 1 for "opcode imm, r_m, r"
2850 */
2851 #define THREEOPERAND(x, mode, reg, r_m, rex_prefix, wbit, w2, immsize, vbit) { \
2852 dtrace_get_modrm(x, &mode, ®, &r_m); \
2853 dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); \
2854 dtrace_get_operand(x, mode, r_m, wbit, 2-vbit); \
2855 dtrace_get_operand(x, REG_ONLY, reg, w2, 1+vbit); \
2856 dtrace_imm_opnd(x, wbit, immsize, 0); \
2857 }
2858
2859 /*
2860 * Similar, but for 2 operands plus two immediates.
2861 */
2862 #define FOUROPERAND(x, mode, reg, r_m, rex_prefix, wbit, w2, immsize) { \
2863 dtrace_get_modrm(x, &mode, ®, &r_m); \
2864 dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); \
2865 dtrace_get_operand(x, mode, r_m, wbit, 2); \
2866 dtrace_get_operand(x, REG_ONLY, reg, w2, 3); \
2867 dtrace_imm_opnd(x, wbit, immsize, 1); \
2868 dtrace_imm_opnd(x, wbit, immsize, 0); \
2869 }
2870
2871 /*
2872 * 1 operands plus two immediates.
2873 */
2874 #define ONEOPERAND_TWOIMM(x, mode, reg, r_m, rex_prefix, wbit, immsize) { \
2875 dtrace_get_modrm(x, &mode, ®, &r_m); \
2876 dtrace_rex_adjust(rex_prefix, mode, ®, &r_m); \
2877 dtrace_get_operand(x, mode, r_m, wbit, 2); \
2878 dtrace_imm_opnd(x, wbit, immsize, 1); \
2879 dtrace_imm_opnd(x, wbit, immsize, 0); \
2880 }
2881
2882 /*
2883 * Dissassemble a single x86 or amd64 instruction.
2884 *
2885 * Mode determines the default operating mode (SIZE16, SIZE32 or SIZE64)
2886 * for interpreting instructions.
2887 *
2888 * returns non-zero for bad opcode
2889 */
2890 int
2891 dtrace_disx86(dis86_t *x, uint_t cpu_mode)
2892 {
2893 instable_t *dp; /* decode table being used */
2894 #ifdef DIS_TEXT
2895 uint_t i;
2896 #endif
2897 #ifdef DIS_MEM
2898 uint_t nomem = 0;
2899 #define NOMEM (nomem = 1)
2900 #else
2901 #define NOMEM /* nothing */
2902 #endif
2903 uint_t opnd_size; /* SIZE16, SIZE32 or SIZE64 */
2904 uint_t addr_size; /* SIZE16, SIZE32 or SIZE64 */
2905 uint_t wbit; /* opcode wbit, 0 is 8 bit, !0 for opnd_size */
2906 uint_t w2; /* wbit value for second operand */
2907 uint_t vbit;
2908 uint_t mode = 0; /* mode value from ModRM byte */
2909 uint_t reg; /* reg value from ModRM byte */
2910 uint_t r_m; /* r_m value from ModRM byte */
2911
2912 uint_t opcode1; /* high nibble of 1st byte */
2913 uint_t opcode2; /* low nibble of 1st byte */
2914 uint_t opcode3; /* extra opcode bits usually from ModRM byte */
2915 uint_t opcode4; /* high nibble of 2nd byte */
2916 uint_t opcode5; /* low nibble of 2nd byte */
2917 uint_t opcode6; /* high nibble of 3rd byte */
2918 uint_t opcode7; /* low nibble of 3rd byte */
2919 uint_t opcode_bytes = 1;
2920
2921 /*
2922 * legacy prefixes come in 5 flavors, you should have only one of each
2923 */
2924 uint_t opnd_size_prefix = 0;
2925 uint_t addr_size_prefix = 0;
2926 uint_t segment_prefix = 0;
2927 uint_t lock_prefix = 0;
2928 uint_t rep_prefix = 0;
2929 uint_t rex_prefix = 0; /* amd64 register extension prefix */
2930
2931 /*
2932 * Intel VEX instruction encoding prefix and fields
2933 */
2934
2935 /* 0xC4 means 3 bytes prefix, 0xC5 means 2 bytes prefix */
2936 uint_t vex_prefix = 0;
2937
2938 /*
2939 * VEX prefix byte 1, includes vex.r, vex.x and vex.b
2940 * (for 3 bytes prefix)
2941 */
2942 uint_t vex_byte1 = 0;
2943
2944 /*
2945 * For 32-bit mode, it should prefetch the next byte to
2946 * distinguish between AVX and les/lds
2947 */
2948 uint_t vex_prefetch = 0;
2949
2950 uint_t vex_m = 0;
2951 uint_t vex_v = 0;
2952 uint_t vex_p = 0;
2953 uint_t vex_R = 1;
2954 uint_t vex_X = 1;
2955 uint_t vex_B = 1;
2956 uint_t vex_W = 0;
2957 uint_t vex_L;
2958 dis_gather_regs_t *vreg;
2959
2960 #ifdef DIS_TEXT
2961 /* Instruction name for BLS* family of instructions */
2962 char *blsinstr;
2963 #endif
2964
2965 size_t off;
2966
2967 instable_t dp_mmx;
2968
2969 x->d86_len = 0;
2970 x->d86_rmindex = -1;
2971 x->d86_error = 0;
2972 #ifdef DIS_TEXT
2973 x->d86_numopnds = 0;
2974 x->d86_seg_prefix = NULL;
2975 x->d86_mnem[0] = 0;
2976 for (i = 0; i < 4; ++i) {
2977 x->d86_opnd[i].d86_opnd[0] = 0;
2978 x->d86_opnd[i].d86_prefix[0] = 0;
2979 x->d86_opnd[i].d86_value_size = 0;
2980 x->d86_opnd[i].d86_value = 0;
2981 x->d86_opnd[i].d86_mode = MODE_NONE;
2982 }
2983 #endif
2984 x->d86_rex_prefix = 0;
2985 x->d86_got_modrm = 0;
2986 x->d86_memsize = 0;
2987 x->d86_vsib = 0;
2988
2989 if (cpu_mode == SIZE16) {
2990 opnd_size = SIZE16;
2991 addr_size = SIZE16;
2992 } else if (cpu_mode == SIZE32) {
2993 opnd_size = SIZE32;
2994 addr_size = SIZE32;
2995 } else {
2996 opnd_size = SIZE32;
2997 addr_size = SIZE64;
2998 }
2999
3000 /*
3001 * Get one opcode byte and check for zero padding that follows
3002 * jump tables.
3003 */
3004 if (dtrace_get_opcode(x, &opcode1, &opcode2) != 0)
3005 goto error;
3006
3007 if (opcode1 == 0 && opcode2 == 0 &&
3008 x->d86_check_func != NULL && x->d86_check_func(x->d86_data)) {
3009 #ifdef DIS_TEXT
3010 (void) strncpy(x->d86_mnem, ".byte\t", OPLEN);
3011 #endif
3012 goto done;
3013 }
3014
3015 /*
3016 * Gather up legacy x86 prefix bytes.
3017 */
3018 for (;;) {
3019 uint_t *which_prefix = NULL;
3020
3021 dp = (instable_t *)&dis_distable[opcode1][opcode2];
3022
3023 switch (dp->it_adrmode) {
3024 case PREFIX:
3025 which_prefix = &rep_prefix;
3026 break;
3027 case LOCK:
3028 which_prefix = &lock_prefix;
3029 break;
3030 case OVERRIDE:
3031 which_prefix = &segment_prefix;
3032 #ifdef DIS_TEXT
3033 x->d86_seg_prefix = (char *)dp->it_name;
3034 #endif
3035 if (dp->it_invalid64 && cpu_mode == SIZE64)
3036 goto error;
3037 break;
3038 case AM:
3039 which_prefix = &addr_size_prefix;
3040 break;
3041 case DM:
3042 which_prefix = &opnd_size_prefix;
3043 break;
3044 }
3045 if (which_prefix == NULL)
3046 break;
3047 *which_prefix = (opcode1 << 4) | opcode2;
3048 if (dtrace_get_opcode(x, &opcode1, &opcode2) != 0)
3049 goto error;
3050 }
3051
3052 /*
3053 * Handle amd64 mode PREFIX values.
3054 * Some of the segment prefixes are no-ops. (only FS/GS actually work)
3055 * We might have a REX prefix (opcodes 0x40-0x4f)
3056 */
3057 if (cpu_mode == SIZE64) {
3058 if (segment_prefix != 0x64 && segment_prefix != 0x65)
3059 segment_prefix = 0;
3060
3061 if (opcode1 == 0x4) {
3062 rex_prefix = (opcode1 << 4) | opcode2;
3063 if (dtrace_get_opcode(x, &opcode1, &opcode2) != 0)
3064 goto error;
3065 dp = (instable_t *)&dis_distable[opcode1][opcode2];
3066 } else if (opcode1 == 0xC &&
3067 (opcode2 == 0x4 || opcode2 == 0x5)) {
3068 /* AVX instructions */
3069 vex_prefix = (opcode1 << 4) | opcode2;
3070 x->d86_rex_prefix = 0x40;
3071 }
3072 } else if (opcode1 == 0xC && (opcode2 == 0x4 || opcode2 == 0x5)) {
3073 /* LDS, LES or AVX */
3074 dtrace_get_modrm(x, &mode, ®, &r_m);
3075 vex_prefetch = 1;
3076
3077 if (mode == REG_ONLY) {
3078 /* AVX */
3079 vex_prefix = (opcode1 << 4) | opcode2;
3080 x->d86_rex_prefix = 0x40;
3081 opcode3 = (((mode << 3) | reg)>>1) & 0x0F;
3082 opcode4 = ((reg << 3) | r_m) & 0x0F;
3083 }
3084 }
3085
3086 if (vex_prefix == VEX_2bytes) {
3087 if (!vex_prefetch) {
3088 if (dtrace_get_opcode(x, &opcode3, &opcode4) != 0)
3089 goto error;
3090 }
3091 vex_R = ((opcode3 & VEX_R) & 0x0F) >> 3;
3092 vex_L = ((opcode4 & VEX_L) & 0x0F) >> 2;
3093 vex_v = (((opcode3 << 4) | opcode4) & VEX_v) >> 3;
3094 vex_p = opcode4 & VEX_p;
3095 /*
3096 * The vex.x and vex.b bits are not defined in two bytes
3097 * mode vex prefix, their default values are 1
3098 */
3099 vex_byte1 = (opcode3 & VEX_R) | VEX_X | VEX_B;
3100
3101 if (vex_R == 0)
3102 x->d86_rex_prefix |= REX_R;
3103
3104 if (dtrace_get_opcode(x, &opcode1, &opcode2) != 0)
3105 goto error;
3106
3107 switch (vex_p) {
3108 case VEX_p_66:
3109 dp = (instable_t *)
3110 &dis_opAVX660F[(opcode1 << 4) | opcode2];
3111 break;
3112 case VEX_p_F3:
3113 dp = (instable_t *)
3114 &dis_opAVXF30F[(opcode1 << 4) | opcode2];
3115 break;
3116 case VEX_p_F2:
3117 dp = (instable_t *)
3118 &dis_opAVXF20F [(opcode1 << 4) | opcode2];
3119 break;
3120 default:
3121 dp = (instable_t *)
3122 &dis_opAVX0F[opcode1][opcode2];
3123
3124 }
3125
3126 } else if (vex_prefix == VEX_3bytes) {
3127 if (!vex_prefetch) {
3128 if (dtrace_get_opcode(x, &opcode3, &opcode4) != 0)
3129 goto error;
3130 }
3131 vex_R = (opcode3 & VEX_R) >> 3;
3132 vex_X = (opcode3 & VEX_X) >> 2;
3133 vex_B = (opcode3 & VEX_B) >> 1;
3134 vex_m = (((opcode3 << 4) | opcode4) & VEX_m);
3135 vex_byte1 = opcode3 & (VEX_R | VEX_X | VEX_B);
3136
3137 if (vex_R == 0)
3138 x->d86_rex_prefix |= REX_R;
3139 if (vex_X == 0)
3140 x->d86_rex_prefix |= REX_X;
3141 if (vex_B == 0)
3142 x->d86_rex_prefix |= REX_B;
3143
3144 if (dtrace_get_opcode(x, &opcode5, &opcode6) != 0)
3145 goto error;
3146 vex_W = (opcode5 & VEX_W) >> 3;
3147 vex_L = (opcode6 & VEX_L) >> 2;
3148 vex_v = (((opcode5 << 4) | opcode6) & VEX_v) >> 3;
3149 vex_p = opcode6 & VEX_p;
3150
3151 if (vex_W)
3152 x->d86_rex_prefix |= REX_W;
3153
3154 /* Only these three vex_m values valid; others are reserved */
3155 if ((vex_m != VEX_m_0F) && (vex_m != VEX_m_0F38) &&
3156 (vex_m != VEX_m_0F3A))
3157 goto error;
3158
3159 if (dtrace_get_opcode(x, &opcode1, &opcode2) != 0)
3160 goto error;
3161
3162 switch (vex_p) {
3163 case VEX_p_66:
3164 if (vex_m == VEX_m_0F) {
3165 dp = (instable_t *)
3166 &dis_opAVX660F
3167 [(opcode1 << 4) | opcode2];
3168 } else if (vex_m == VEX_m_0F38) {
3169 dp = (instable_t *)
3170 &dis_opAVX660F38
3171 [(opcode1 << 4) | opcode2];
3172 } else if (vex_m == VEX_m_0F3A) {
3173 dp = (instable_t *)
3174 &dis_opAVX660F3A
3175 [(opcode1 << 4) | opcode2];
3176 } else {
3177 goto error;
3178 }
3179 break;
3180 case VEX_p_F3:
3181 if (vex_m == VEX_m_0F) {
3182 dp = (instable_t *)
3183 &dis_opAVXF30F
3184 [(opcode1 << 4) | opcode2];
3185 } else if (vex_m == VEX_m_0F38) {
3186 dp = (instable_t *)
3187 &dis_opAVXF30F38
3188 [(opcode1 << 4) | opcode2];
3189 } else {
3190 goto error;
3191 }
3192 break;
3193 case VEX_p_F2:
3194 if (vex_m == VEX_m_0F) {
3195 dp = (instable_t *)
3196 &dis_opAVXF20F
3197 [(opcode1 << 4) | opcode2];
3198 } else if (vex_m == VEX_m_0F3A) {
3199 dp = (instable_t *)
3200 &dis_opAVXF20F3A
3201 [(opcode1 << 4) | opcode2];
3202 } else if (vex_m == VEX_m_0F38) {
3203 dp = (instable_t *)
3204 &dis_opAVXF20F38
3205 [(opcode1 << 4) | opcode2];
3206 } else {
3207 goto error;
3208 }
3209 break;
3210 default:
3211 dp = (instable_t *)
3212 &dis_opAVX0F[opcode1][opcode2];
3213
3214 }
3215 }
3216 if (vex_prefix) {
3217 if (dp->it_vexwoxmm) {
3218 wbit = LONG_OPND;
3219 } else {
3220 if (vex_L)
3221 wbit = YMM_OPND;
3222 else
3223 wbit = XMM_OPND;
3224 }
3225 }
3226
3227 /*
3228 * Deal with selection of operand and address size now.
3229 * Note that the REX.W bit being set causes opnd_size_prefix to be
3230 * ignored.
3231 */
3232 if (cpu_mode == SIZE64) {
3233 if ((rex_prefix & REX_W) || vex_W)
3234 opnd_size = SIZE64;
3235 else if (opnd_size_prefix)
3236 opnd_size = SIZE16;
3237
3238 if (addr_size_prefix)
3239 addr_size = SIZE32;
3240 } else if (cpu_mode == SIZE32) {
3241 if (opnd_size_prefix)
3242 opnd_size = SIZE16;
3243 if (addr_size_prefix)
3244 addr_size = SIZE16;
3245 } else {
3246 if (opnd_size_prefix)
3247 opnd_size = SIZE32;
3248 if (addr_size_prefix)
3249 addr_size = SIZE32;
3250 }
3251 /*
3252 * The pause instruction - a repz'd nop. This doesn't fit
3253 * with any of the other prefix goop added for SSE, so we'll
3254 * special-case it here.
3255 */
3256 if (rep_prefix == 0xf3 && opcode1 == 0x9 && opcode2 == 0x0) {
3257 rep_prefix = 0;
3258 dp = (instable_t *)&dis_opPause;
3259 }
3260
3261 /*
3262 * Some 386 instructions have 2 bytes of opcode before the mod_r/m
3263 * byte so we may need to perform a table indirection.
3264 */
3265 if (dp->it_indirect == (instable_t *)dis_op0F) {
3266 if (dtrace_get_opcode(x, &opcode4, &opcode5) != 0)
3267 goto error;
3268 opcode_bytes = 2;
3269 if (opcode4 == 0x7 && opcode5 >= 0x1 && opcode5 <= 0x3) {
3270 uint_t subcode;
3271
3272 if (dtrace_get_opcode(x, &opcode6, &opcode7) != 0)
3273 goto error;
3274 opcode_bytes = 3;
3275 subcode = ((opcode6 & 0x3) << 1) |
3276 ((opcode7 & 0x8) >> 3);
3277 dp = (instable_t *)&dis_op0F7123[opcode5][subcode];
3278 } else if ((opcode4 == 0xc) && (opcode5 >= 0x8)) {
3279 dp = (instable_t *)&dis_op0FC8[0];
3280 } else if ((opcode4 == 0x3) && (opcode5 == 0xA)) {
3281 opcode_bytes = 3;
3282 if (dtrace_get_opcode(x, &opcode6, &opcode7) != 0)
3283 goto error;
3284 if (opnd_size == SIZE16)
3285 opnd_size = SIZE32;
3286
3287 dp = (instable_t *)&dis_op0F3A[(opcode6<<4)|opcode7];
3288 #ifdef DIS_TEXT
3289 if (strcmp(dp->it_name, "INVALID") == 0)
3290 goto error;
3291 #endif
3292 switch (dp->it_adrmode) {
3293 case XMMP:
3294 break;
3295 case XMMP_66r:
3296 case XMMPRM_66r:
3297 case XMM3PM_66r:
3298 if (opnd_size_prefix == 0) {
3299 goto error;
3300 }
3301 break;
3302 case XMMP_66o:
3303 if (opnd_size_prefix == 0) {
3304 /* SSSE3 MMX instructions */
3305 dp_mmx = *dp;
3306 dp = &dp_mmx;
3307 dp->it_adrmode = MMOPM_66o;
3308 #ifdef DIS_MEM
3309 dp->it_size = 8;
3310 #endif
3311 }
3312 break;
3313 default:
3314 goto error;
3315 }
3316 } else if ((opcode4 == 0x3) && (opcode5 == 0x8)) {
3317 opcode_bytes = 3;
3318 if (dtrace_get_opcode(x, &opcode6, &opcode7) != 0)
3319 goto error;
3320 dp = (instable_t *)&dis_op0F38[(opcode6<<4)|opcode7];
3321
3322 /*
3323 * Both crc32 and movbe have the same 3rd opcode
3324 * byte of either 0xF0 or 0xF1, so we use another
3325 * indirection to distinguish between the two.
3326 */
3327 if (dp->it_indirect == (instable_t *)dis_op0F38F0 ||
3328 dp->it_indirect == (instable_t *)dis_op0F38F1) {
3329
3330 dp = dp->it_indirect;
3331 if (rep_prefix != 0xF2) {
3332 /* It is movbe */
3333 dp++;
3334 }
3335 }
3336
3337 /*
3338 * The adx family of instructions (adcx and adox)
3339 * continue the classic Intel tradition of abusing
3340 * arbitrary prefixes without actually meaning the
3341 * prefix bit. Therefore, if we find either the
3342 * opnd_size_prefix or rep_prefix we end up zeroing it
3343 * out after making our determination so as to ensure
3344 * that we don't get confused and accidentally print
3345 * repz prefixes and the like on these instructions.
3346 *
3347 * In addition, these instructions are actually much
3348 * closer to AVX instructions in semantics. Importantly,
3349 * they always default to having 32-bit operands.
3350 * However, if the CPU is in 64-bit mode, then and only
3351 * then, does it use REX.w promotes things to 64-bits
3352 * and REX.r allows 64-bit mode to use register r8-r15.
3353 */
3354 if (dp->it_indirect == (instable_t *)dis_op0F38F6) {
3355 dp = dp->it_indirect;
3356 if (opnd_size_prefix == 0 &&
3357 rep_prefix == 0xf3) {
3358 /* It is adox */
3359 dp++;
3360 } else if (opnd_size_prefix != 0x66 &&
3361 rep_prefix != 0) {
3362 /* It isn't adcx */
3363 goto error;
3364 }
3365 opnd_size_prefix = 0;
3366 rep_prefix = 0;
3367 opnd_size = SIZE32;
3368 if (rex_prefix & REX_W)
3369 opnd_size = SIZE64;
3370 }
3371
3372 #ifdef DIS_TEXT
3373 if (strcmp(dp->it_name, "INVALID") == 0)
3374 goto error;
3375 #endif
3376 switch (dp->it_adrmode) {
3377 case ADX:
3378 case XMM:
3379 break;
3380 case RM_66r:
3381 case XMM_66r:
3382 case XMMM_66r:
3383 if (opnd_size_prefix == 0) {
3384 goto error;
3385 }
3386 break;
3387 case XMM_66o:
3388 if (opnd_size_prefix == 0) {
3389 /* SSSE3 MMX instructions */
3390 dp_mmx = *dp;
3391 dp = &dp_mmx;
3392 dp->it_adrmode = MM;
3393 #ifdef DIS_MEM
3394 dp->it_size = 8;
3395 #endif
3396 }
3397 break;
3398 case CRC32:
3399 if (rep_prefix != 0xF2) {
3400 goto error;
3401 }
3402 rep_prefix = 0;
3403 break;
3404 case MOVBE:
3405 if (rep_prefix != 0x0) {
3406 goto error;
3407 }
3408 break;
3409 default:
3410 goto error;
3411 }
3412 } else {
3413 dp = (instable_t *)&dis_op0F[opcode4][opcode5];
3414 }
3415 }
3416
3417 /*
3418 * If still not at a TERM decode entry, then a ModRM byte
3419 * exists and its fields further decode the instruction.
3420 */
3421 x->d86_got_modrm = 0;
3422 if (dp->it_indirect != TERM) {
3423 dtrace_get_modrm(x, &mode, &opcode3, &r_m);
3424 if (x->d86_error)
3425 goto error;
3426 reg = opcode3;
3427
3428 /*
3429 * decode 287 instructions (D8-DF) from opcodeN
3430 */
3431 if (opcode1 == 0xD && opcode2 >= 0x8) {
3432 if (opcode2 == 0xB && mode == 0x3 && opcode3 == 4)
3433 dp = (instable_t *)&dis_opFP5[r_m];
3434 else if (opcode2 == 0xA && mode == 0x3 && opcode3 < 4)
3435 dp = (instable_t *)&dis_opFP7[opcode3];
3436 else if (opcode2 == 0xB && mode == 0x3)
3437 dp = (instable_t *)&dis_opFP6[opcode3];
3438 else if (opcode2 == 0x9 && mode == 0x3 && opcode3 >= 4)
3439 dp = (instable_t *)&dis_opFP4[opcode3 - 4][r_m];
3440 else if (mode == 0x3)
3441 dp = (instable_t *)
3442 &dis_opFP3[opcode2 - 8][opcode3];
3443 else
3444 dp = (instable_t *)
3445 &dis_opFP1n2[opcode2 - 8][opcode3];
3446 } else {
3447 dp = (instable_t *)dp->it_indirect + opcode3;
3448 }
3449 }
3450
3451 /*
3452 * In amd64 bit mode, ARPL opcode is changed to MOVSXD
3453 * (sign extend 32bit to 64 bit)
3454 */
3455 if ((vex_prefix == 0) && cpu_mode == SIZE64 &&
3456 opcode1 == 0x6 && opcode2 == 0x3)
3457 dp = (instable_t *)&dis_opMOVSLD;
3458
3459 /*
3460 * at this point we should have a correct (or invalid) opcode
3461 */
3462 if (cpu_mode == SIZE64 && dp->it_invalid64 ||
3463 cpu_mode != SIZE64 && dp->it_invalid32)
3464 goto error;
3465 if (dp->it_indirect != TERM)
3466 goto error;
3467
3468 /*
3469 * Deal with MMX/SSE opcodes which are changed by prefixes. Note, we do
3470 * need to include UNKNOWN below, as we may have instructions that
3471 * actually have a prefix, but don't exist in any other form.
3472 */
3473 switch (dp->it_adrmode) {
3474 case UNKNOWN:
3475 case MMO:
3476 case MMOIMPL:
3477 case MMO3P:
3478 case MMOM3:
3479 case MMOMS:
3480 case MMOPM:
3481 case MMOPRM:
3482 case MMOS:
3483 case XMMO:
3484 case XMMOM:
3485 case XMMOMS:
3486 case XMMOPM:
3487 case XMMOS:
3488 case XMMOMX:
3489 case XMMOX3:
3490 case XMMOXMM:
3491 /*
3492 * This is horrible. Some SIMD instructions take the
3493 * form 0x0F 0x?? ..., which is easily decoded using the
3494 * existing tables. Other SIMD instructions use various
3495 * prefix bytes to overload existing instructions. For
3496 * Example, addps is F0, 58, whereas addss is F3 (repz),
3497 * F0, 58. Presumably someone got a raise for this.
3498 *
3499 * If we see one of the instructions which can be
3500 * modified in this way (if we've got one of the SIMDO*
3501 * address modes), we'll check to see if the last prefix
3502 * was a repz. If it was, we strip the prefix from the
3503 * mnemonic, and we indirect using the dis_opSIMDrepz
3504 * table.
3505 */
3506
3507 /*
3508 * Calculate our offset in dis_op0F
3509 */
3510 if ((uintptr_t)dp - (uintptr_t)dis_op0F > sizeof (dis_op0F))
3511 goto error;
3512
3513 off = ((uintptr_t)dp - (uintptr_t)dis_op0F) /
3514 sizeof (instable_t);
3515
3516 /*
3517 * Rewrite if this instruction used one of the magic prefixes.
3518 */
3519 if (rep_prefix) {
3520 if (rep_prefix == 0xf2)
3521 dp = (instable_t *)&dis_opSIMDrepnz[off];
3522 else
3523 dp = (instable_t *)&dis_opSIMDrepz[off];
3524 rep_prefix = 0;
3525 } else if (opnd_size_prefix) {
3526 dp = (instable_t *)&dis_opSIMDdata16[off];
3527 opnd_size_prefix = 0;
3528 if (opnd_size == SIZE16)
3529 opnd_size = SIZE32;
3530 }
3531 break;
3532
3533 case MG9:
3534 /*
3535 * More horribleness: the group 9 (0xF0 0xC7) instructions are
3536 * allowed an optional prefix of 0x66 or 0xF3. This is similar
3537 * to the SIMD business described above, but with a different
3538 * addressing mode (and an indirect table), so we deal with it
3539 * separately (if similarly).
3540 *
3541 * Intel further complicated this with the release of Ivy Bridge
3542 * where they overloaded these instructions based on the ModR/M
3543 * bytes. The VMX instructions have a mode of 0 since they are
3544 * memory instructions but rdrand instructions have a mode of
3545 * 0b11 (REG_ONLY) because they only operate on registers. While
3546 * there are different prefix formats, for now it is sufficient
3547 * to use a single different table.
3548 */
3549
3550 /*
3551 * Calculate our offset in dis_op0FC7 (the group 9 table)
3552 */
3553 if ((uintptr_t)dp - (uintptr_t)dis_op0FC7 > sizeof (dis_op0FC7))
3554 goto error;
3555
3556 off = ((uintptr_t)dp - (uintptr_t)dis_op0FC7) /
3557 sizeof (instable_t);
3558
3559 /*
3560 * If we have a mode of 0b11 then we have to rewrite this.
3561 */
3562 dtrace_get_modrm(x, &mode, ®, &r_m);
3563 if (mode == REG_ONLY) {
3564 dp = (instable_t *)&dis_op0FC7m3[off];
3565 break;
3566 }
3567
3568 /*
3569 * Rewrite if this instruction used one of the magic prefixes.
3570 */
3571 if (rep_prefix) {
3572 if (rep_prefix == 0xf3)
3573 dp = (instable_t *)&dis_opF30FC7[off];
3574 else
3575 goto error;
3576 rep_prefix = 0;
3577 } else if (opnd_size_prefix) {
3578 dp = (instable_t *)&dis_op660FC7[off];
3579 opnd_size_prefix = 0;
3580 if (opnd_size == SIZE16)
3581 opnd_size = SIZE32;
3582 }
3583 break;
3584
3585
3586 case MMOSH:
3587 /*
3588 * As with the "normal" SIMD instructions, the MMX
3589 * shuffle instructions are overloaded. These
3590 * instructions, however, are special in that they use
3591 * an extra byte, and thus an extra table. As of this
3592 * writing, they only use the opnd_size prefix.
3593 */
3594
3595 /*
3596 * Calculate our offset in dis_op0F7123
3597 */
3598 if ((uintptr_t)dp - (uintptr_t)dis_op0F7123 >
3599 sizeof (dis_op0F7123))
3600 goto error;
3601
3602 if (opnd_size_prefix) {
3603 off = ((uintptr_t)dp - (uintptr_t)dis_op0F7123) /
3604 sizeof (instable_t);
3605 dp = (instable_t *)&dis_opSIMD7123[off];
3606 opnd_size_prefix = 0;
3607 if (opnd_size == SIZE16)
3608 opnd_size = SIZE32;
3609 }
3610 break;
3611 case MRw:
3612 if (rep_prefix) {
3613 if (rep_prefix == 0xf3) {
3614
3615 /*
3616 * Calculate our offset in dis_op0F
3617 */
3618 if ((uintptr_t)dp - (uintptr_t)dis_op0F
3619 > sizeof (dis_op0F))
3620 goto error;
3621
3622 off = ((uintptr_t)dp - (uintptr_t)dis_op0F) /
3623 sizeof (instable_t);
3624
3625 dp = (instable_t *)&dis_opSIMDrepz[off];
3626 rep_prefix = 0;
3627 } else {
3628 goto error;
3629 }
3630 }
3631 break;
3632 }
3633
3634 /*
3635 * In 64 bit mode, some opcodes automatically use opnd_size == SIZE64.
3636 */
3637 if (cpu_mode == SIZE64)
3638 if (dp->it_always64 || (opnd_size == SIZE32 && dp->it_stackop))
3639 opnd_size = SIZE64;
3640
3641 #ifdef DIS_TEXT
3642 /*
3643 * At this point most instructions can format the opcode mnemonic
3644 * including the prefixes.
3645 */
3646 if (lock_prefix)
3647 (void) strlcat(x->d86_mnem, "lock ", OPLEN);
3648
3649 if (rep_prefix == 0xf2)
3650 (void) strlcat(x->d86_mnem, "repnz ", OPLEN);
3651 else if (rep_prefix == 0xf3)
3652 (void) strlcat(x->d86_mnem, "repz ", OPLEN);
3653
3654 if (cpu_mode == SIZE64 && addr_size_prefix)
3655 (void) strlcat(x->d86_mnem, "addr32 ", OPLEN);
3656
3657 if (dp->it_adrmode != CBW &&
3658 dp->it_adrmode != CWD &&
3659 dp->it_adrmode != XMMSFNC) {
3660 if (strcmp(dp->it_name, "INVALID") == 0)
3661 goto error;
3662 (void) strlcat(x->d86_mnem, dp->it_name, OPLEN);
3663 if (dp->it_avxsuf && dp->it_suffix) {
3664 (void) strlcat(x->d86_mnem, vex_W != 0 ? "q" : "d",
3665 OPLEN);
3666 } else if (dp->it_suffix) {
3667 char *types[] = {"", "w", "l", "q"};
3668 if (opcode_bytes == 2 && opcode4 == 4) {
3669 /* It's a cmovx.yy. Replace the suffix x */
3670 for (i = 5; i < OPLEN; i++) {
3671 if (x->d86_mnem[i] == '.')
3672 break;
3673 }
3674 x->d86_mnem[i - 1] = *types[opnd_size];
3675 } else if ((opnd_size == 2) && (opcode_bytes == 3) &&
3676 ((opcode6 == 1 && opcode7 == 6) ||
3677 (opcode6 == 2 && opcode7 == 2))) {
3678 /*
3679 * To handle PINSRD and PEXTRD
3680 */
3681 (void) strlcat(x->d86_mnem, "d", OPLEN);
3682 } else {
3683 (void) strlcat(x->d86_mnem, types[opnd_size],
3684 OPLEN);
3685 }
3686 }
3687 }
3688 #endif
3689
3690 /*
3691 * Process operands based on the addressing modes.
3692 */
3693 x->d86_mode = cpu_mode;
3694 /*
3695 * In vex mode the rex_prefix has no meaning
3696 */
3697 if (!vex_prefix)
3698 x->d86_rex_prefix = rex_prefix;
3699 x->d86_opnd_size = opnd_size;
3700 x->d86_addr_size = addr_size;
3701 vbit = 0; /* initialize for mem/reg -> reg */
3702 switch (dp->it_adrmode) {
3703 /*
3704 * amd64 instruction to sign extend 32 bit reg/mem operands
3705 * into 64 bit register values
3706 */
3707 case MOVSXZ:
3708 #ifdef DIS_TEXT
3709 if (rex_prefix == 0)
3710 (void) strncpy(x->d86_mnem, "movzld", OPLEN);
3711 #endif
3712 dtrace_get_modrm(x, &mode, ®, &r_m);
3713 dtrace_rex_adjust(rex_prefix, mode, ®, &r_m);
3714 x->d86_opnd_size = SIZE64;
3715 dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 1);
3716 x->d86_opnd_size = opnd_size = SIZE32;
3717 wbit = LONG_OPND;
3718 dtrace_get_operand(x, mode, r_m, wbit, 0);
3719 break;
3720
3721 /*
3722 * movsbl movsbw movsbq (0x0FBE) or movswl movswq (0x0FBF)
3723 * movzbl movzbw movzbq (0x0FB6) or movzwl movzwq (0x0FB7)
3724 * wbit lives in 2nd byte, note that operands
3725 * are different sized
3726 */
3727 case MOVZ:
3728 if (rex_prefix & REX_W) {
3729 /* target register size = 64 bit */
3730 x->d86_mnem[5] = 'q';
3731 }
3732 dtrace_get_modrm(x, &mode, ®, &r_m);
3733 dtrace_rex_adjust(rex_prefix, mode, ®, &r_m);
3734 dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 1);
3735 x->d86_opnd_size = opnd_size = SIZE16;
3736 wbit = WBIT(opcode5);
3737 dtrace_get_operand(x, mode, r_m, wbit, 0);
3738 break;
3739 case CRC32:
3740 opnd_size = SIZE32;
3741 if (rex_prefix & REX_W)
3742 opnd_size = SIZE64;
3743 x->d86_opnd_size = opnd_size;
3744
3745 dtrace_get_modrm(x, &mode, ®, &r_m);
3746 dtrace_rex_adjust(rex_prefix, mode, ®, &r_m);
3747 dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 1);
3748 wbit = WBIT(opcode7);
3749 if (opnd_size_prefix)
3750 x->d86_opnd_size = opnd_size = SIZE16;
3751 dtrace_get_operand(x, mode, r_m, wbit, 0);
3752 break;
3753 case MOVBE:
3754 opnd_size = SIZE32;
3755 if (rex_prefix & REX_W)
3756 opnd_size = SIZE64;
3757 x->d86_opnd_size = opnd_size;
3758
3759 dtrace_get_modrm(x, &mode, ®, &r_m);
3760 dtrace_rex_adjust(rex_prefix, mode, ®, &r_m);
3761 wbit = WBIT(opcode7);
3762 if (opnd_size_prefix)
3763 x->d86_opnd_size = opnd_size = SIZE16;
3764 if (wbit) {
3765 /* reg -> mem */
3766 dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 0);
3767 dtrace_get_operand(x, mode, r_m, wbit, 1);
3768 } else {
3769 /* mem -> reg */
3770 dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 1);
3771 dtrace_get_operand(x, mode, r_m, wbit, 0);
3772 }
3773 break;
3774
3775 /*
3776 * imul instruction, with either 8-bit or longer immediate
3777 * opcode 0x6B for byte, sign-extended displacement, 0x69 for word(s)
3778 */
3779 case IMUL:
3780 wbit = LONG_OPND;
3781 THREEOPERAND(x, mode, reg, r_m, rex_prefix, wbit, LONG_OPND,
3782 OPSIZE(opnd_size, opcode2 == 0x9), 1);
3783 break;
3784
3785 /* memory or register operand to register, with 'w' bit */
3786 case MRw:
3787 case ADX:
3788 wbit = WBIT(opcode2);
3789 STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 0);
3790 break;
3791
3792 /* register to memory or register operand, with 'w' bit */
3793 /* arpl happens to fit here also because it is odd */
3794 case RMw:
3795 if (opcode_bytes == 2)
3796 wbit = WBIT(opcode5);
3797 else
3798 wbit = WBIT(opcode2);
3799 STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 1);
3800 break;
3801
3802 /* xaddb instruction */
3803 case XADDB:
3804 wbit = 0;
3805 STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 1);
3806 break;
3807
3808 /* MMX register to memory or register operand */
3809 case MMS:
3810 case MMOS:
3811 #ifdef DIS_TEXT
3812 wbit = strcmp(dp->it_name, "movd") ? MM_OPND : LONG_OPND;
3813 #else
3814 wbit = LONG_OPND;
3815 #endif
3816 MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, MM_OPND, 1);
3817 break;
3818
3819 /* MMX register to memory */
3820 case MMOMS:
3821 dtrace_get_modrm(x, &mode, ®, &r_m);
3822 if (mode == REG_ONLY)
3823 goto error;
3824 wbit = MM_OPND;
3825 MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, MM_OPND, 1);
3826 break;
3827
3828 /* Double shift. Has immediate operand specifying the shift. */
3829 case DSHIFT:
3830 wbit = LONG_OPND;
3831 dtrace_get_modrm(x, &mode, ®, &r_m);
3832 dtrace_rex_adjust(rex_prefix, mode, ®, &r_m);
3833 dtrace_get_operand(x, mode, r_m, wbit, 2);
3834 dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 1);
3835 dtrace_imm_opnd(x, wbit, 1, 0);
3836 break;
3837
3838 /*
3839 * Double shift. With no immediate operand, specifies using %cl.
3840 */
3841 case DSHIFTcl:
3842 wbit = LONG_OPND;
3843 STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 1);
3844 break;
3845
3846 /* immediate to memory or register operand */
3847 case IMlw:
3848 wbit = WBIT(opcode2);
3849 dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m);
3850 dtrace_get_operand(x, mode, r_m, wbit, 1);
3851 /*
3852 * Have long immediate for opcode 0x81, but not 0x80 nor 0x83
3853 */
3854 dtrace_imm_opnd(x, wbit, OPSIZE(opnd_size, opcode2 == 1), 0);
3855 break;
3856
3857 /* immediate to memory or register operand with the */
3858 /* 'w' bit present */
3859 case IMw:
3860 wbit = WBIT(opcode2);
3861 dtrace_get_modrm(x, &mode, ®, &r_m);
3862 dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m);
3863 dtrace_get_operand(x, mode, r_m, wbit, 1);
3864 dtrace_imm_opnd(x, wbit, OPSIZE(opnd_size, wbit), 0);
3865 break;
3866
3867 /* immediate to register with register in low 3 bits */
3868 /* of op code */
3869 case IR:
3870 /* w-bit here (with regs) is bit 3 */
3871 wbit = opcode2 >>3 & 0x1;
3872 reg = REGNO(opcode2);
3873 dtrace_rex_adjust(rex_prefix, mode, ®, NULL);
3874 mode = REG_ONLY;
3875 r_m = reg;
3876 dtrace_get_operand(x, mode, r_m, wbit, 1);
3877 dtrace_imm_opnd(x, wbit, OPSIZE64(opnd_size, wbit), 0);
3878 break;
3879
3880 /* MMX immediate shift of register */
3881 case MMSH:
3882 case MMOSH:
3883 wbit = MM_OPND;
3884 goto mm_shift; /* in next case */
3885
3886 /* SIMD immediate shift of register */
3887 case XMMSH:
3888 wbit = XMM_OPND;
3889 mm_shift:
3890 reg = REGNO(opcode7);
3891 dtrace_rex_adjust(rex_prefix, mode, ®, NULL);
3892 dtrace_get_operand(x, REG_ONLY, reg, wbit, 1);
3893 dtrace_imm_opnd(x, wbit, 1, 0);
3894 NOMEM;
3895 break;
3896
3897 /* accumulator to memory operand */
3898 case AO:
3899 vbit = 1;
3900 /*FALLTHROUGH*/
3901
3902 /* memory operand to accumulator */
3903 case OA:
3904 wbit = WBIT(opcode2);
3905 dtrace_get_operand(x, REG_ONLY, EAX_REGNO, wbit, 1 - vbit);
3906 dtrace_imm_opnd(x, wbit, OPSIZE64(addr_size, LONG_OPND), vbit);
3907 #ifdef DIS_TEXT
3908 x->d86_opnd[vbit].d86_mode = MODE_OFFSET;
3909 #endif
3910 break;
3911
3912
3913 /* segment register to memory or register operand */
3914 case SM:
3915 vbit = 1;
3916 /*FALLTHROUGH*/
3917
3918 /* memory or register operand to segment register */
3919 case MS:
3920 dtrace_get_modrm(x, &mode, ®, &r_m);
3921 dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m);
3922 dtrace_get_operand(x, mode, r_m, LONG_OPND, vbit);
3923 dtrace_get_operand(x, REG_ONLY, reg, SEG_OPND, 1 - vbit);
3924 break;
3925
3926 /*
3927 * rotate or shift instructions, which may shift by 1 or
3928 * consult the cl register, depending on the 'v' bit
3929 */
3930 case Mv:
3931 vbit = VBIT(opcode2);
3932 wbit = WBIT(opcode2);
3933 dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m);
3934 dtrace_get_operand(x, mode, r_m, wbit, 1);
3935 #ifdef DIS_TEXT
3936 if (vbit) {
3937 (void) strlcat(x->d86_opnd[0].d86_opnd, "%cl", OPLEN);
3938 } else {
3939 x->d86_opnd[0].d86_mode = MODE_SIGNED;
3940 x->d86_opnd[0].d86_value_size = 1;
3941 x->d86_opnd[0].d86_value = 1;
3942 }
3943 #endif
3944 break;
3945 /*
3946 * immediate rotate or shift instructions
3947 */
3948 case MvI:
3949 wbit = WBIT(opcode2);
3950 normal_imm_mem:
3951 dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m);
3952 dtrace_get_operand(x, mode, r_m, wbit, 1);
3953 dtrace_imm_opnd(x, wbit, 1, 0);
3954 break;
3955
3956 /* bit test instructions */
3957 case MIb:
3958 wbit = LONG_OPND;
3959 goto normal_imm_mem;
3960
3961 /* single memory or register operand with 'w' bit present */
3962 case Mw:
3963 wbit = WBIT(opcode2);
3964 just_mem:
3965 dtrace_get_modrm(x, &mode, ®, &r_m);
3966 dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m);
3967 dtrace_get_operand(x, mode, r_m, wbit, 0);
3968 break;
3969
3970 case SWAPGS_RDTSCP:
3971 if (cpu_mode == SIZE64 && mode == 3 && r_m == 0) {
3972 #ifdef DIS_TEXT
3973 (void) strncpy(x->d86_mnem, "swapgs", OPLEN);
3974 #endif
3975 NOMEM;
3976 break;
3977 } else if (mode == 3 && r_m == 1) {
3978 #ifdef DIS_TEXT
3979 (void) strncpy(x->d86_mnem, "rdtscp", OPLEN);
3980 #endif
3981 NOMEM;
3982 break;
3983 }
3984
3985 /*FALLTHROUGH*/
3986
3987 /* prefetch instruction - memory operand, but no memory acess */
3988 case PREF:
3989 NOMEM;
3990 /*FALLTHROUGH*/
3991
3992 /* single memory or register operand */
3993 case M:
3994 case MG9:
3995 wbit = LONG_OPND;
3996 goto just_mem;
3997
3998 /* single memory or register byte operand */
3999 case Mb:
4000 wbit = BYTE_OPND;
4001 goto just_mem;
4002
4003 case VMx:
4004 if (mode == 3) {
4005 #ifdef DIS_TEXT
4006 char *vminstr;
4007
4008 switch (r_m) {
4009 case 1:
4010 vminstr = "vmcall";
4011 break;
4012 case 2:
4013 vminstr = "vmlaunch";
4014 break;
4015 case 3:
4016 vminstr = "vmresume";
4017 break;
4018 case 4:
4019 vminstr = "vmxoff";
4020 break;
4021 default:
4022 goto error;
4023 }
4024
4025 (void) strncpy(x->d86_mnem, vminstr, OPLEN);
4026 #else
4027 if (r_m < 1 || r_m > 4)
4028 goto error;
4029 #endif
4030
4031 NOMEM;
4032 break;
4033 }
4034 /*FALLTHROUGH*/
4035 case SVM:
4036 if (mode == 3) {
4037 #ifdef DIS_TEXT
4038 char *vinstr;
4039
4040 switch (r_m) {
4041 case 0:
4042 vinstr = "vmrun";
4043 break;
4044 case 1:
4045 vinstr = "vmmcall";
4046 break;
4047 case 2:
4048 vinstr = "vmload";
4049 break;
4050 case 3:
4051 vinstr = "vmsave";
4052 break;
4053 case 4:
4054 vinstr = "stgi";
4055 break;
4056 case 5:
4057 vinstr = "clgi";
4058 break;
4059 case 6:
4060 vinstr = "skinit";
4061 break;
4062 case 7:
4063 vinstr = "invlpga";
4064 break;
4065 }
4066
4067 (void) strncpy(x->d86_mnem, vinstr, OPLEN);
4068 #endif
4069 NOMEM;
4070 break;
4071 }
4072 /*FALLTHROUGH*/
4073 case MONITOR_MWAIT:
4074 if (mode == 3) {
4075 if (r_m == 0) {
4076 #ifdef DIS_TEXT
4077 (void) strncpy(x->d86_mnem, "monitor", OPLEN);
4078 #endif
4079 NOMEM;
4080 break;
4081 } else if (r_m == 1) {
4082 #ifdef DIS_TEXT
4083 (void) strncpy(x->d86_mnem, "mwait", OPLEN);
4084 #endif
4085 NOMEM;
4086 break;
4087 } else if (r_m == 2) {
4088 #ifdef DIS_TEXT
4089 (void) strncpy(x->d86_mnem, "clac", OPLEN);
4090 #endif
4091 NOMEM;
4092 break;
4093 } else if (r_m == 3) {
4094 #ifdef DIS_TEXT
4095 (void) strncpy(x->d86_mnem, "stac", OPLEN);
4096 #endif
4097 NOMEM;
4098 break;
4099 } else {
4100 goto error;
4101 }
4102 }
4103 /*FALLTHROUGH*/
4104 case XGETBV_XSETBV:
4105 if (mode == 3) {
4106 if (r_m == 0) {
4107 #ifdef DIS_TEXT
4108 (void) strncpy(x->d86_mnem, "xgetbv", OPLEN);
4109 #endif
4110 NOMEM;
4111 break;
4112 } else if (r_m == 1) {
4113 #ifdef DIS_TEXT
4114 (void) strncpy(x->d86_mnem, "xsetbv", OPLEN);
4115 #endif
4116 NOMEM;
4117 break;
4118 } else {
4119 goto error;
4120 }
4121
4122 }
4123 /*FALLTHROUGH*/
4124 case MO:
4125 /* Similar to M, but only memory (no direct registers) */
4126 wbit = LONG_OPND;
4127 dtrace_get_modrm(x, &mode, ®, &r_m);
4128 if (mode == 3)
4129 goto error;
4130 dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m);
4131 dtrace_get_operand(x, mode, r_m, wbit, 0);
4132 break;
4133
4134 /* move special register to register or reverse if vbit */
4135 case SREG:
4136 switch (opcode5) {
4137
4138 case 2:
4139 vbit = 1;
4140 /*FALLTHROUGH*/
4141 case 0:
4142 wbit = CONTROL_OPND;
4143 break;
4144
4145 case 3:
4146 vbit = 1;
4147 /*FALLTHROUGH*/
4148 case 1:
4149 wbit = DEBUG_OPND;
4150 break;
4151
4152 case 6:
4153 vbit = 1;
4154 /*FALLTHROUGH*/
4155 case 4:
4156 wbit = TEST_OPND;
4157 break;
4158
4159 }
4160 dtrace_get_modrm(x, &mode, ®, &r_m);
4161 dtrace_rex_adjust(rex_prefix, mode, ®, &r_m);
4162 dtrace_get_operand(x, REG_ONLY, reg, wbit, vbit);
4163 dtrace_get_operand(x, REG_ONLY, r_m, LONG_OPND, 1 - vbit);
4164 NOMEM;
4165 break;
4166
4167 /*
4168 * single register operand with register in the low 3
4169 * bits of op code
4170 */
4171 case R:
4172 if (opcode_bytes == 2)
4173 reg = REGNO(opcode5);
4174 else
4175 reg = REGNO(opcode2);
4176 dtrace_rex_adjust(rex_prefix, mode, ®, NULL);
4177 dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 0);
4178 NOMEM;
4179 break;
4180
4181 /*
4182 * register to accumulator with register in the low 3
4183 * bits of op code, xchg instructions
4184 */
4185 case RA:
4186 NOMEM;
4187 reg = REGNO(opcode2);
4188 dtrace_rex_adjust(rex_prefix, mode, ®, NULL);
4189 dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 0);
4190 dtrace_get_operand(x, REG_ONLY, EAX_REGNO, LONG_OPND, 1);
4191 break;
4192
4193 /*
4194 * single segment register operand, with register in
4195 * bits 3-4 of op code byte
4196 */
4197 case SEG:
4198 NOMEM;
4199 reg = (x->d86_bytes[x->d86_len - 1] >> 3) & 0x3;
4200 dtrace_get_operand(x, REG_ONLY, reg, SEG_OPND, 0);
4201 break;
4202
4203 /*
4204 * single segment register operand, with register in
4205 * bits 3-5 of op code
4206 */
4207 case LSEG:
4208 NOMEM;
4209 /* long seg reg from opcode */
4210 reg = (x->d86_bytes[x->d86_len - 1] >> 3) & 0x7;
4211 dtrace_get_operand(x, REG_ONLY, reg, SEG_OPND, 0);
4212 break;
4213
4214 /* memory or register operand to register */
4215 case MR:
4216 if (vex_prefetch)
4217 x->d86_got_modrm = 1;
4218 wbit = LONG_OPND;
4219 STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 0);
4220 break;
4221
4222 case RM:
4223 case RM_66r:
4224 wbit = LONG_OPND;
4225 STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 1);
4226 break;
4227
4228 /* MMX/SIMD-Int memory or mm reg to mm reg */
4229 case MM:
4230 case MMO:
4231 #ifdef DIS_TEXT
4232 wbit = strcmp(dp->it_name, "movd") ? MM_OPND : LONG_OPND;
4233 #else
4234 wbit = LONG_OPND;
4235 #endif
4236 MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, MM_OPND, 0);
4237 break;
4238
4239 case MMOIMPL:
4240 #ifdef DIS_TEXT
4241 wbit = strcmp(dp->it_name, "movd") ? MM_OPND : LONG_OPND;
4242 #else
4243 wbit = LONG_OPND;
4244 #endif
4245 dtrace_get_modrm(x, &mode, ®, &r_m);
4246 if (mode != REG_ONLY)
4247 goto error;
4248
4249 dtrace_rex_adjust(rex_prefix, mode, ®, &r_m);
4250 dtrace_get_operand(x, mode, r_m, wbit, 0);
4251 dtrace_get_operand(x, REG_ONLY, reg, MM_OPND, 1);
4252 mode = 0; /* change for memory access size... */
4253 break;
4254
4255 /* MMX/SIMD-Int and SIMD-FP predicated mm reg to r32 */
4256 case MMO3P:
4257 wbit = MM_OPND;
4258 goto xmm3p;
4259 case XMM3P:
4260 wbit = XMM_OPND;
4261 xmm3p:
4262 dtrace_get_modrm(x, &mode, ®, &r_m);
4263 if (mode != REG_ONLY)
4264 goto error;
4265
4266 THREEOPERAND(x, mode, reg, r_m, rex_prefix, wbit, LONG_OPND, 1,
4267 1);
4268 NOMEM;
4269 break;
4270
4271 case XMM3PM_66r:
4272 THREEOPERAND(x, mode, reg, r_m, rex_prefix, LONG_OPND, XMM_OPND,
4273 1, 0);
4274 break;
4275
4276 /* MMX/SIMD-Int predicated r32/mem to mm reg */
4277 case MMOPRM:
4278 wbit = LONG_OPND;
4279 w2 = MM_OPND;
4280 goto xmmprm;
4281 case XMMPRM:
4282 case XMMPRM_66r:
4283 wbit = LONG_OPND;
4284 w2 = XMM_OPND;
4285 xmmprm:
4286 THREEOPERAND(x, mode, reg, r_m, rex_prefix, wbit, w2, 1, 1);
4287 break;
4288
4289 /* MMX/SIMD-Int predicated mm/mem to mm reg */
4290 case MMOPM:
4291 case MMOPM_66o:
4292 wbit = w2 = MM_OPND;
4293 goto xmmprm;
4294
4295 /* MMX/SIMD-Int mm reg to r32 */
4296 case MMOM3:
4297 NOMEM;
4298 dtrace_get_modrm(x, &mode, ®, &r_m);
4299 if (mode != REG_ONLY)
4300 goto error;
4301 wbit = MM_OPND;
4302 MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, LONG_OPND, 0);
4303 break;
4304
4305 /* SIMD memory or xmm reg operand to xmm reg */
4306 case XMM:
4307 case XMM_66o:
4308 case XMM_66r:
4309 case XMMO:
4310 case XMMXIMPL:
4311 wbit = XMM_OPND;
4312 STANDARD_MODRM(x, mode, reg, r_m, rex_prefix, wbit, 0);
4313
4314 if (dp->it_adrmode == XMMXIMPL && mode != REG_ONLY)
4315 goto error;
4316
4317 #ifdef DIS_TEXT
4318 /*
4319 * movlps and movhlps share opcodes. They differ in the
4320 * addressing modes allowed for their operands.
4321 * movhps and movlhps behave similarly.
4322 */
4323 if (mode == REG_ONLY) {
4324 if (strcmp(dp->it_name, "movlps") == 0)
4325 (void) strncpy(x->d86_mnem, "movhlps", OPLEN);
4326 else if (strcmp(dp->it_name, "movhps") == 0)
4327 (void) strncpy(x->d86_mnem, "movlhps", OPLEN);
4328 }
4329 #endif
4330 if (dp->it_adrmode == XMMXIMPL)
4331 mode = 0; /* change for memory access size... */
4332 break;
4333
4334 /* SIMD xmm reg to memory or xmm reg */
4335 case XMMS:
4336 case XMMOS:
4337 case XMMMS:
4338 case XMMOMS:
4339 dtrace_get_modrm(x, &mode, ®, &r_m);
4340 #ifdef DIS_TEXT
4341 if ((strcmp(dp->it_name, "movlps") == 0 ||
4342 strcmp(dp->it_name, "movhps") == 0 ||
4343 strcmp(dp->it_name, "movntps") == 0) &&
4344 mode == REG_ONLY)
4345 goto error;
4346 #endif
4347 wbit = XMM_OPND;
4348 MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, XMM_OPND, 1);
4349 break;
4350
4351 /* SIMD memory to xmm reg */
4352 case XMMM:
4353 case XMMM_66r:
4354 case XMMOM:
4355 wbit = XMM_OPND;
4356 dtrace_get_modrm(x, &mode, ®, &r_m);
4357 #ifdef DIS_TEXT
4358 if (mode == REG_ONLY) {
4359 if (strcmp(dp->it_name, "movhps") == 0)
4360 (void) strncpy(x->d86_mnem, "movlhps", OPLEN);
4361 else
4362 goto error;
4363 }
4364 #endif
4365 MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, XMM_OPND, 0);
4366 break;
4367
4368 /* SIMD memory or r32 to xmm reg */
4369 case XMM3MX:
4370 wbit = LONG_OPND;
4371 MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, XMM_OPND, 0);
4372 break;
4373
4374 case XMM3MXS:
4375 wbit = LONG_OPND;
4376 MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, XMM_OPND, 1);
4377 break;
4378
4379 /* SIMD memory or mm reg to xmm reg */
4380 case XMMOMX:
4381 /* SIMD mm to xmm */
4382 case XMMMX:
4383 wbit = MM_OPND;
4384 MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, XMM_OPND, 0);
4385 break;
4386
4387 /* SIMD memory or xmm reg to mm reg */
4388 case XMMXMM:
4389 case XMMOXMM:
4390 case XMMXM:
4391 wbit = XMM_OPND;
4392 MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, MM_OPND, 0);
4393 break;
4394
4395
4396 /* SIMD memory or xmm reg to r32 */
4397 case XMMXM3:
4398 wbit = XMM_OPND;
4399 MIXED_MM(x, mode, reg, r_m, rex_prefix, wbit, LONG_OPND, 0);
4400 break;
4401
4402 /* SIMD xmm to r32 */
4403 case XMMX3:
4404 case XMMOX3:
4405 dtrace_get_modrm(x, &mode, ®, &r_m);
4406 if (mode != REG_ONLY)
4407 goto error;
4408 dtrace_rex_adjust(rex_prefix, mode, ®, &r_m);
4409 dtrace_get_operand(x, mode, r_m, XMM_OPND, 0);
4410 dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, 1);
4411 NOMEM;
4412 break;
4413
4414 /* SIMD predicated memory or xmm reg with/to xmm reg */
4415 case XMMP:
4416 case XMMP_66r:
4417 case XMMP_66o:
4418 case XMMOPM:
4419 wbit = XMM_OPND;
4420 THREEOPERAND(x, mode, reg, r_m, rex_prefix, wbit, XMM_OPND, 1,
4421 1);
4422
4423 #ifdef DIS_TEXT
4424 /*
4425 * cmpps and cmpss vary their instruction name based
4426 * on the value of imm8. Other XMMP instructions,
4427 * such as shufps, require explicit specification of
4428 * the predicate.
4429 */
4430 if (dp->it_name[0] == 'c' &&
4431 dp->it_name[1] == 'm' &&
4432 dp->it_name[2] == 'p' &&
4433 strlen(dp->it_name) == 5) {
4434 uchar_t pred = x->d86_opnd[0].d86_value & 0xff;
4435
4436 if (pred >= (sizeof (dis_PREDSUFFIX) / sizeof (char *)))
4437 goto error;
4438
4439 (void) strncpy(x->d86_mnem, "cmp", OPLEN);
4440 (void) strlcat(x->d86_mnem, dis_PREDSUFFIX[pred],
4441 OPLEN);
4442 (void) strlcat(x->d86_mnem,
4443 dp->it_name + strlen(dp->it_name) - 2,
4444 OPLEN);
4445 x->d86_opnd[0] = x->d86_opnd[1];
4446 x->d86_opnd[1] = x->d86_opnd[2];
4447 x->d86_numopnds = 2;
4448 }
4449 #endif
4450 break;
4451
4452 case XMMX2I:
4453 FOUROPERAND(x, mode, reg, r_m, rex_prefix, XMM_OPND, XMM_OPND,
4454 1);
4455 NOMEM;
4456 break;
4457
4458 case XMM2I:
4459 ONEOPERAND_TWOIMM(x, mode, reg, r_m, rex_prefix, XMM_OPND, 1);
4460 NOMEM;
4461 break;
4462
4463 /* immediate operand to accumulator */
4464 case IA:
4465 wbit = WBIT(opcode2);
4466 dtrace_get_operand(x, REG_ONLY, EAX_REGNO, wbit, 1);
4467 dtrace_imm_opnd(x, wbit, OPSIZE(opnd_size, wbit), 0);
4468 NOMEM;
4469 break;
4470
4471 /* memory or register operand to accumulator */
4472 case MA:
4473 wbit = WBIT(opcode2);
4474 dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m);
4475 dtrace_get_operand(x, mode, r_m, wbit, 0);
4476 break;
4477
4478 /* si register to di register used to reference memory */
4479 case SD:
4480 #ifdef DIS_TEXT
4481 dtrace_check_override(x, 0);
4482 x->d86_numopnds = 2;
4483 if (addr_size == SIZE64) {
4484 (void) strlcat(x->d86_opnd[0].d86_opnd, "(%rsi)",
4485 OPLEN);
4486 (void) strlcat(x->d86_opnd[1].d86_opnd, "(%rdi)",
4487 OPLEN);
4488 } else if (addr_size == SIZE32) {
4489 (void) strlcat(x->d86_opnd[0].d86_opnd, "(%esi)",
4490 OPLEN);
4491 (void) strlcat(x->d86_opnd[1].d86_opnd, "(%edi)",
4492 OPLEN);
4493 } else {
4494 (void) strlcat(x->d86_opnd[0].d86_opnd, "(%si)",
4495 OPLEN);
4496 (void) strlcat(x->d86_opnd[1].d86_opnd, "(%di)",
4497 OPLEN);
4498 }
4499 #endif
4500 wbit = LONG_OPND;
4501 break;
4502
4503 /* accumulator to di register */
4504 case AD:
4505 wbit = WBIT(opcode2);
4506 #ifdef DIS_TEXT
4507 dtrace_check_override(x, 1);
4508 x->d86_numopnds = 2;
4509 dtrace_get_operand(x, REG_ONLY, EAX_REGNO, wbit, 0);
4510 if (addr_size == SIZE64)
4511 (void) strlcat(x->d86_opnd[1].d86_opnd, "(%rdi)",
4512 OPLEN);
4513 else if (addr_size == SIZE32)
4514 (void) strlcat(x->d86_opnd[1].d86_opnd, "(%edi)",
4515 OPLEN);
4516 else
4517 (void) strlcat(x->d86_opnd[1].d86_opnd, "(%di)",
4518 OPLEN);
4519 #endif
4520 break;
4521
4522 /* si register to accumulator */
4523 case SA:
4524 wbit = WBIT(opcode2);
4525 #ifdef DIS_TEXT
4526 dtrace_check_override(x, 0);
4527 x->d86_numopnds = 2;
4528 if (addr_size == SIZE64)
4529 (void) strlcat(x->d86_opnd[0].d86_opnd, "(%rsi)",
4530 OPLEN);
4531 else if (addr_size == SIZE32)
4532 (void) strlcat(x->d86_opnd[0].d86_opnd, "(%esi)",
4533 OPLEN);
4534 else
4535 (void) strlcat(x->d86_opnd[0].d86_opnd, "(%si)",
4536 OPLEN);
4537 dtrace_get_operand(x, REG_ONLY, EAX_REGNO, wbit, 1);
4538 #endif
4539 break;
4540
4541 /*
4542 * single operand, a 16/32 bit displacement
4543 */
4544 case D:
4545 wbit = LONG_OPND;
4546 dtrace_disp_opnd(x, wbit, OPSIZE(opnd_size, LONG_OPND), 0);
4547 NOMEM;
4548 break;
4549
4550 /* jmp/call indirect to memory or register operand */
4551 case INM:
4552 #ifdef DIS_TEXT
4553 (void) strlcat(x->d86_opnd[0].d86_prefix, "*", OPLEN);
4554 #endif
4555 dtrace_rex_adjust(rex_prefix, mode, NULL, &r_m);
4556 dtrace_get_operand(x, mode, r_m, LONG_OPND, 0);
4557 wbit = LONG_OPND;
4558 break;
4559
4560 /*
4561 * for long jumps and long calls -- a new code segment
4562 * register and an offset in IP -- stored in object
4563 * code in reverse order. Note - not valid in amd64
4564 */
4565 case SO:
4566 dtrace_check_override(x, 1);
4567 wbit = LONG_OPND;
4568 dtrace_imm_opnd(x, wbit, OPSIZE(opnd_size, LONG_OPND), 1);
4569 #ifdef DIS_TEXT
4570 x->d86_opnd[1].d86_mode = MODE_SIGNED;
4571 #endif
4572 /* will now get segment operand */
4573 dtrace_imm_opnd(x, wbit, 2, 0);
4574 break;
4575
4576 /*
4577 * jmp/call. single operand, 8 bit displacement.
4578 * added to current EIP in 'compofff'
4579 */
4580 case BD:
4581 dtrace_disp_opnd(x, BYTE_OPND, 1, 0);
4582 NOMEM;
4583 break;
4584
4585 /* single 32/16 bit immediate operand */
4586 case I:
4587 wbit = LONG_OPND;
4588 dtrace_imm_opnd(x, wbit, OPSIZE(opnd_size, LONG_OPND), 0);
4589 break;
4590
4591 /* single 8 bit immediate operand */
4592 case Ib:
4593 wbit = LONG_OPND;
4594 dtrace_imm_opnd(x, wbit, 1, 0);
4595 break;
4596
4597 case ENTER:
4598 wbit = LONG_OPND;
4599 dtrace_imm_opnd(x, wbit, 2, 0);
4600 dtrace_imm_opnd(x, wbit, 1, 1);
4601 switch (opnd_size) {
4602 case SIZE64:
4603 x->d86_memsize = (x->d86_opnd[1].d86_value + 1) * 8;
4604 break;
4605 case SIZE32:
4606 x->d86_memsize = (x->d86_opnd[1].d86_value + 1) * 4;
4607 break;
4608 case SIZE16:
4609 x->d86_memsize = (x->d86_opnd[1].d86_value + 1) * 2;
4610 break;
4611 }
4612
4613 break;
4614
4615 /* 16-bit immediate operand */
4616 case RET:
4617 wbit = LONG_OPND;
4618 dtrace_imm_opnd(x, wbit, 2, 0);
4619 break;
4620
4621 /* single 8 bit port operand */
4622 case P:
4623 dtrace_check_override(x, 0);
4624 dtrace_imm_opnd(x, BYTE_OPND, 1, 0);
4625 NOMEM;
4626 break;
4627
4628 /* single operand, dx register (variable port instruction) */
4629 case V:
4630 x->d86_numopnds = 1;
4631 dtrace_check_override(x, 0);
4632 #ifdef DIS_TEXT
4633 (void) strlcat(x->d86_opnd[0].d86_opnd, "(%dx)", OPLEN);
4634 #endif
4635 NOMEM;
4636 break;
4637
4638 /*
4639 * The int instruction, which has two forms:
4640 * int 3 (breakpoint) or
4641 * int n, where n is indicated in the subsequent
4642 * byte (format Ib). The int 3 instruction (opcode 0xCC),
4643 * where, although the 3 looks like an operand,
4644 * it is implied by the opcode. It must be converted
4645 * to the correct base and output.
4646 */
4647 case INT3:
4648 #ifdef DIS_TEXT
4649 x->d86_numopnds = 1;
4650 x->d86_opnd[0].d86_mode = MODE_SIGNED;
4651 x->d86_opnd[0].d86_value_size = 1;
4652 x->d86_opnd[0].d86_value = 3;
4653 #endif
4654 NOMEM;
4655 break;
4656
4657 /* single 8 bit immediate operand */
4658 case INTx:
4659 dtrace_imm_opnd(x, BYTE_OPND, 1, 0);
4660 NOMEM;
4661 break;
4662
4663 /* an unused byte must be discarded */
4664 case U:
4665 if (x->d86_get_byte(x->d86_data) < 0)
4666 goto error;
4667 x->d86_len++;
4668 NOMEM;
4669 break;
4670
4671 case CBW:
4672 #ifdef DIS_TEXT
4673 if (opnd_size == SIZE16)
4674 (void) strlcat(x->d86_mnem, "cbtw", OPLEN);
4675 else if (opnd_size == SIZE32)
4676 (void) strlcat(x->d86_mnem, "cwtl", OPLEN);
4677 else
4678 (void) strlcat(x->d86_mnem, "cltq", OPLEN);
4679 #endif
4680 wbit = LONG_OPND;
4681 NOMEM;
4682 break;
4683
4684 case CWD:
4685 #ifdef DIS_TEXT
4686 if (opnd_size == SIZE16)
4687 (void) strlcat(x->d86_mnem, "cwtd", OPLEN);
4688 else if (opnd_size == SIZE32)
4689 (void) strlcat(x->d86_mnem, "cltd", OPLEN);
4690 else
4691 (void) strlcat(x->d86_mnem, "cqtd", OPLEN);
4692 #endif
4693 wbit = LONG_OPND;
4694 NOMEM;
4695 break;
4696
4697 case XMMSFNC:
4698 /*
4699 * sfence is sfence if mode is REG_ONLY. If mode isn't
4700 * REG_ONLY, mnemonic should be 'clflush'.
4701 */
4702 dtrace_get_modrm(x, &mode, ®, &r_m);
4703
4704 /* sfence doesn't take operands */
4705 #ifdef DIS_TEXT
4706 if (mode == REG_ONLY) {
4707 (void) strlcat(x->d86_mnem, "sfence", OPLEN);
4708 } else {
4709 (void) strlcat(x->d86_mnem, "clflush", OPLEN);
4710 dtrace_rex_adjust(rex_prefix, mode, ®, &r_m);
4711 dtrace_get_operand(x, mode, r_m, BYTE_OPND, 0);
4712 NOMEM;
4713 }
4714 #else
4715 if (mode != REG_ONLY) {
4716 dtrace_rex_adjust(rex_prefix, mode, ®, &r_m);
4717 dtrace_get_operand(x, mode, r_m, LONG_OPND, 0);
4718 NOMEM;
4719 }
4720 #endif
4721 break;
4722
4723 /*
4724 * no disassembly, the mnemonic was all there was so go on
4725 */
4726 case NORM:
4727 if (dp->it_invalid32 && cpu_mode != SIZE64)
4728 goto error;
4729 NOMEM;
4730 /*FALLTHROUGH*/
4731 case IMPLMEM:
4732 break;
4733
4734 case XMMFENCE:
4735 /*
4736 * XRSTOR and LFENCE share the same opcode but differ in mode
4737 */
4738 dtrace_get_modrm(x, &mode, ®, &r_m);
4739
4740 if (mode == REG_ONLY) {
4741 /*
4742 * Only the following exact byte sequences are allowed:
4743 *
4744 * 0f ae e8 lfence
4745 * 0f ae f0 mfence
4746 */
4747 if ((uint8_t)x->d86_bytes[x->d86_len - 1] != 0xe8 &&
4748 (uint8_t)x->d86_bytes[x->d86_len - 1] != 0xf0)
4749 goto error;
4750 } else {
4751 #ifdef DIS_TEXT
4752 (void) strncpy(x->d86_mnem, "xrstor", OPLEN);
4753 #endif
4754 dtrace_rex_adjust(rex_prefix, mode, ®, &r_m);
4755 dtrace_get_operand(x, mode, r_m, BYTE_OPND, 0);
4756 }
4757 break;
4758
4759 /* float reg */
4760 case F:
4761 #ifdef DIS_TEXT
4762 x->d86_numopnds = 1;
4763 (void) strlcat(x->d86_opnd[0].d86_opnd, "%st(X)", OPLEN);
4764 x->d86_opnd[0].d86_opnd[4] = r_m + '';
4765 #endif
4766 NOMEM;
4767 break;
4768
4769 /* float reg to float reg, with ret bit present */
4770 case FF:
4771 vbit = opcode2 >> 2 & 0x1; /* vbit = 1: st -> st(i) */
4772 /*FALLTHROUGH*/
4773 case FFC: /* case for vbit always = 0 */
4774 #ifdef DIS_TEXT
4775 x->d86_numopnds = 2;
4776 (void) strlcat(x->d86_opnd[1 - vbit].d86_opnd, "%st", OPLEN);
4777 (void) strlcat(x->d86_opnd[vbit].d86_opnd, "%st(X)", OPLEN);
4778 x->d86_opnd[vbit].d86_opnd[4] = r_m + '';
4779 #endif
4780 NOMEM;
4781 break;
4782
4783 /* AVX instructions */
4784 case VEX_MO:
4785 /* op(ModR/M.r/m) */
4786 x->d86_numopnds = 1;
4787 dtrace_get_modrm(x, &mode, ®, &r_m);
4788 #ifdef DIS_TEXT
4789 if ((dp == &dis_opAVX0F[0xA][0xE]) && (reg == 3))
4790 (void) strncpy(x->d86_mnem, "vstmxcsr", OPLEN);
4791 #endif
4792 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m);
4793 dtrace_get_operand(x, mode, r_m, wbit, 0);
4794 break;
4795 case VEX_RMrX:
4796 case FMA:
4797 /* ModR/M.reg := op(VEX.vvvv, ModR/M.r/m) */
4798 x->d86_numopnds = 3;
4799 dtrace_get_modrm(x, &mode, ®, &r_m);
4800 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m);
4801
4802 /*
4803 * In classic Intel fashion, the opcodes for all of the FMA
4804 * instructions all have two possible mnemonics which vary by
4805 * one letter, which is selected based on the value of the wbit.
4806 * When wbit is one, they have the 'd' suffix and when 'wbit' is
4807 * 0, they have the 's' suffix. Otherwise, the FMA instructions
4808 * are all a standard VEX_RMrX.
4809 */
4810 #ifdef DIS_TEXT
4811 if (dp->it_adrmode == FMA) {
4812 size_t len = strlen(dp->it_name);
4813 (void) strncpy(x->d86_mnem, dp->it_name, OPLEN);
4814 if (len + 1 < OPLEN) {
4815 (void) strncpy(x->d86_mnem + len,
4816 vex_W != 0 ? "d" : "s", OPLEN - len);
4817 }
4818 }
4819 #endif
4820
4821 if (mode != REG_ONLY) {
4822 if ((dp == &dis_opAVXF20F[0x10]) ||
4823 (dp == &dis_opAVXF30F[0x10])) {
4824 /* vmovsd <m64>, <xmm> */
4825 /* or vmovss <m64>, <xmm> */
4826 x->d86_numopnds = 2;
4827 goto L_VEX_MX;
4828 }
4829 }
4830
4831 dtrace_get_operand(x, REG_ONLY, reg, wbit, 2);
4832 /*
4833 * VEX prefix uses the 1's complement form to encode the
4834 * XMM/YMM regs
4835 */
4836 dtrace_get_operand(x, REG_ONLY, (0xF - vex_v), wbit, 1);
4837
4838 if ((dp == &dis_opAVXF20F[0x2A]) ||
4839 (dp == &dis_opAVXF30F[0x2A])) {
4840 /*
4841 * vcvtsi2si </r,m>, <xmm>, <xmm> or vcvtsi2ss </r,m>,
4842 * <xmm>, <xmm>
4843 */
4844 wbit = LONG_OPND;
4845 }
4846 #ifdef DIS_TEXT
4847 else if ((mode == REG_ONLY) &&
4848 (dp == &dis_opAVX0F[0x1][0x6])) { /* vmovlhps */
4849 (void) strncpy(x->d86_mnem, "vmovlhps", OPLEN);
4850 } else if ((mode == REG_ONLY) &&
4851 (dp == &dis_opAVX0F[0x1][0x2])) { /* vmovhlps */
4852 (void) strncpy(x->d86_mnem, "vmovhlps", OPLEN);
4853 }
4854 #endif
4855 dtrace_get_operand(x, mode, r_m, wbit, 0);
4856
4857 break;
4858
4859 case VEX_VRMrX:
4860 /* ModR/M.reg := op(MODR/M.r/m, VEX.vvvv) */
4861 x->d86_numopnds = 3;
4862 dtrace_get_modrm(x, &mode, ®, &r_m);
4863 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m);
4864
4865 dtrace_get_operand(x, REG_ONLY, reg, wbit, 2);
4866 /*
4867 * VEX prefix uses the 1's complement form to encode the
4868 * XMM/YMM regs
4869 */
4870 dtrace_get_operand(x, REG_ONLY, (0xF - vex_v), wbit, 0);
4871
4872 dtrace_get_operand(x, mode, r_m, wbit, 1);
4873 break;
4874
4875 case VEX_SbVM:
4876 /* ModR/M.reg := op(MODR/M.r/m, VSIB, VEX.vvvv) */
4877 x->d86_numopnds = 3;
4878 x->d86_vsib = 1;
4879
4880 /*
4881 * All instructions that use VSIB are currently a mess. See the
4882 * comment around the dis_gather_regs_t structure definition.
4883 */
4884
4885 vreg = &dis_vgather[opcode2][vex_W][vex_L];
4886
4887 #ifdef DIS_TEXT
4888 (void) strncpy(x->d86_mnem, dp->it_name, OPLEN);
4889 (void) strlcat(x->d86_mnem + strlen(dp->it_name),
4890 vreg->dgr_suffix, OPLEN - strlen(dp->it_name));
4891 #endif
4892
4893 dtrace_get_modrm(x, &mode, ®, &r_m);
4894 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m);
4895
4896 dtrace_get_operand(x, REG_ONLY, reg, vreg->dgr_arg2, 2);
4897 /*
4898 * VEX prefix uses the 1's complement form to encode the
4899 * XMM/YMM regs
4900 */
4901 dtrace_get_operand(x, REG_ONLY, (0xF - vex_v), vreg->dgr_arg0,
4902 0);
4903 dtrace_get_operand(x, mode, r_m, vreg->dgr_arg1, 1);
4904 break;
4905
4906 case VEX_RRX:
4907 /* ModR/M.rm := op(VEX.vvvv, ModR/M.reg) */
4908 x->d86_numopnds = 3;
4909
4910 dtrace_get_modrm(x, &mode, ®, &r_m);
4911 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m);
4912
4913 if (mode != REG_ONLY) {
4914 if ((dp == &dis_opAVXF20F[0x11]) ||
4915 (dp == &dis_opAVXF30F[0x11])) {
4916 /* vmovsd <xmm>, <m64> */
4917 /* or vmovss <xmm>, <m64> */
4918 x->d86_numopnds = 2;
4919 goto L_VEX_RM;
4920 }
4921 }
4922
4923 dtrace_get_operand(x, mode, r_m, wbit, 2);
4924 dtrace_get_operand(x, REG_ONLY, (0xF - vex_v), wbit, 1);
4925 dtrace_get_operand(x, REG_ONLY, reg, wbit, 0);
4926 break;
4927
4928 case VEX_RMRX:
4929 /* ModR/M.reg := op(VEX.vvvv, ModR/M.r_m, imm8[7:4]) */
4930 x->d86_numopnds = 4;
4931
4932 dtrace_get_modrm(x, &mode, ®, &r_m);
4933 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m);
4934 dtrace_get_operand(x, REG_ONLY, reg, wbit, 3);
4935 dtrace_get_operand(x, REG_ONLY, (0xF - vex_v), wbit, 2);
4936 if (dp == &dis_opAVX660F3A[0x18]) {
4937 /* vinsertf128 <imm8>, <xmm>, <ymm>, <ymm> */
4938 dtrace_get_operand(x, mode, r_m, XMM_OPND, 1);
4939 } else if ((dp == &dis_opAVX660F3A[0x20]) ||
4940 (dp == & dis_opAVX660F[0xC4])) {
4941 /* vpinsrb <imm8>, <reg/mm>, <xmm>, <xmm> */
4942 /* or vpinsrw <imm8>, <reg/mm>, <xmm>, <xmm> */
4943 dtrace_get_operand(x, mode, r_m, LONG_OPND, 1);
4944 } else if (dp == &dis_opAVX660F3A[0x22]) {
4945 /* vpinsrd/q <imm8>, <reg/mm>, <xmm>, <xmm> */
4946 #ifdef DIS_TEXT
4947 if (vex_W)
4948 x->d86_mnem[6] = 'q';
4949 #endif
4950 dtrace_get_operand(x, mode, r_m, LONG_OPND, 1);
4951 } else {
4952 dtrace_get_operand(x, mode, r_m, wbit, 1);
4953 }
4954
4955 /* one byte immediate number */
4956 dtrace_imm_opnd(x, wbit, 1, 0);
4957
4958 /* vblendvpd, vblendvps, vblendvb use the imm encode the regs */
4959 if ((dp == &dis_opAVX660F3A[0x4A]) ||
4960 (dp == &dis_opAVX660F3A[0x4B]) ||
4961 (dp == &dis_opAVX660F3A[0x4C])) {
4962 #ifdef DIS_TEXT
4963 int regnum = (x->d86_opnd[0].d86_value & 0xF0) >> 4;
4964 #endif
4965 x->d86_opnd[0].d86_mode = MODE_NONE;
4966 #ifdef DIS_TEXT
4967 if (vex_L)
4968 (void) strncpy(x->d86_opnd[0].d86_opnd,
4969 dis_YMMREG[regnum], OPLEN);
4970 else
4971 (void) strncpy(x->d86_opnd[0].d86_opnd,
4972 dis_XMMREG[regnum], OPLEN);
4973 #endif
4974 }
4975 break;
4976
4977 case VEX_MX:
4978 /* ModR/M.reg := op(ModR/M.rm) */
4979 x->d86_numopnds = 2;
4980
4981 dtrace_get_modrm(x, &mode, ®, &r_m);
4982 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m);
4983 L_VEX_MX:
4984
4985 if ((dp == &dis_opAVXF20F[0xE6]) ||
4986 (dp == &dis_opAVX660F[0x5A]) ||
4987 (dp == &dis_opAVX660F[0xE6])) {
4988 /* vcvtpd2dq <ymm>, <xmm> */
4989 /* or vcvtpd2ps <ymm>, <xmm> */
4990 /* or vcvttpd2dq <ymm>, <xmm> */
4991 dtrace_get_operand(x, REG_ONLY, reg, XMM_OPND, 1);
4992 dtrace_get_operand(x, mode, r_m, wbit, 0);
4993 } else if ((dp == &dis_opAVXF30F[0xE6]) ||
4994 (dp == &dis_opAVX0F[0x5][0xA]) ||
4995 (dp == &dis_opAVX660F38[0x13]) ||
4996 (dp == &dis_opAVX660F38[0x18]) ||
4997 (dp == &dis_opAVX660F38[0x19]) ||
4998 (dp == &dis_opAVX660F38[0x58]) ||
4999 (dp == &dis_opAVX660F38[0x78]) ||
5000 (dp == &dis_opAVX660F38[0x79]) ||
5001 (dp == &dis_opAVX660F38[0x59])) {
5002 /* vcvtdq2pd <xmm>, <ymm> */
5003 /* or vcvtps2pd <xmm>, <ymm> */
5004 /* or vcvtph2ps <xmm>, <ymm> */
5005 /* or vbroadcasts* <xmm>, <ymm> */
5006 dtrace_get_operand(x, REG_ONLY, reg, wbit, 1);
5007 dtrace_get_operand(x, mode, r_m, XMM_OPND, 0);
5008 } else if (dp == &dis_opAVX660F[0x6E]) {
5009 /* vmovd/q <reg/mem 32/64>, <xmm> */
5010 #ifdef DIS_TEXT
5011 if (vex_W)
5012 x->d86_mnem[4] = 'q';
5013 #endif
5014 dtrace_get_operand(x, REG_ONLY, reg, wbit, 1);
5015 dtrace_get_operand(x, mode, r_m, LONG_OPND, 0);
5016 } else {
5017 dtrace_get_operand(x, REG_ONLY, reg, wbit, 1);
5018 dtrace_get_operand(x, mode, r_m, wbit, 0);
5019 }
5020
5021 break;
5022
5023 case VEX_MXI:
5024 /* ModR/M.reg := op(ModR/M.rm, imm8) */
5025 x->d86_numopnds = 3;
5026
5027 dtrace_get_modrm(x, &mode, ®, &r_m);
5028 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m);
5029
5030 dtrace_get_operand(x, REG_ONLY, reg, wbit, 2);
5031 dtrace_get_operand(x, mode, r_m, wbit, 1);
5032
5033 /* one byte immediate number */
5034 dtrace_imm_opnd(x, wbit, 1, 0);
5035 break;
5036
5037 case VEX_XXI:
5038 /* VEX.vvvv := op(ModR/M.rm, imm8) */
5039 x->d86_numopnds = 3;
5040
5041 dtrace_get_modrm(x, &mode, ®, &r_m);
5042 #ifdef DIS_TEXT
5043 (void) strncpy(x->d86_mnem, dis_AVXvgrp7[opcode2 - 1][reg],
5044 OPLEN);
5045 #endif
5046 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m);
5047
5048 dtrace_get_operand(x, REG_ONLY, (0xF - vex_v), wbit, 2);
5049 dtrace_get_operand(x, REG_ONLY, r_m, wbit, 1);
5050
5051 /* one byte immediate number */
5052 dtrace_imm_opnd(x, wbit, 1, 0);
5053 break;
5054
5055 case VEX_MR:
5056 /* ModR/M.reg (reg32/64) := op(ModR/M.rm) */
5057 if (dp == &dis_opAVX660F[0xC5]) {
5058 /* vpextrw <imm8>, <xmm>, <reg> */
5059 x->d86_numopnds = 2;
5060 vbit = 2;
5061 } else {
5062 x->d86_numopnds = 2;
5063 vbit = 1;
5064 }
5065
5066 dtrace_get_modrm(x, &mode, ®, &r_m);
5067 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m);
5068 dtrace_get_operand(x, REG_ONLY, reg, LONG_OPND, vbit);
5069 dtrace_get_operand(x, mode, r_m, wbit, vbit - 1);
5070
5071 if (vbit == 2)
5072 dtrace_imm_opnd(x, wbit, 1, 0);
5073
5074 break;
5075
5076 case VEX_RRI:
5077 /* implicit(eflags/r32) := op(ModR/M.reg, ModR/M.rm) */
5078 x->d86_numopnds = 2;
5079
5080 dtrace_get_modrm(x, &mode, ®, &r_m);
5081 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m);
5082 dtrace_get_operand(x, REG_ONLY, reg, wbit, 1);
5083 dtrace_get_operand(x, mode, r_m, wbit, 0);
5084 break;
5085
5086 case VEX_RX:
5087 /* ModR/M.rm := op(ModR/M.reg) */
5088 /* vextractf128 || vcvtps2ph */
5089 if (dp == &dis_opAVX660F3A[0x19] ||
5090 dp == &dis_opAVX660F3A[0x1d]) {
5091 x->d86_numopnds = 3;
5092
5093 dtrace_get_modrm(x, &mode, ®, &r_m);
5094 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m);
5095
5096 dtrace_get_operand(x, mode, r_m, XMM_OPND, 2);
5097 dtrace_get_operand(x, REG_ONLY, reg, wbit, 1);
5098
5099 /* one byte immediate number */
5100 dtrace_imm_opnd(x, wbit, 1, 0);
5101 break;
5102 }
5103
5104 x->d86_numopnds = 2;
5105
5106 dtrace_get_modrm(x, &mode, ®, &r_m);
5107 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m);
5108 dtrace_get_operand(x, mode, r_m, wbit, 1);
5109 dtrace_get_operand(x, REG_ONLY, reg, wbit, 0);
5110 break;
5111
5112 case VEX_RR:
5113 /* ModR/M.rm := op(ModR/M.reg) */
5114 x->d86_numopnds = 2;
5115
5116 dtrace_get_modrm(x, &mode, ®, &r_m);
5117 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m);
5118
5119 if (dp == &dis_opAVX660F[0x7E]) {
5120 /* vmovd/q <reg/mem 32/64>, <xmm> */
5121 #ifdef DIS_TEXT
5122 if (vex_W)
5123 x->d86_mnem[4] = 'q';
5124 #endif
5125 dtrace_get_operand(x, mode, r_m, LONG_OPND, 1);
5126 } else
5127 dtrace_get_operand(x, mode, r_m, wbit, 1);
5128
5129 dtrace_get_operand(x, REG_ONLY, reg, wbit, 0);
5130 break;
5131
5132 case VEX_RRi:
5133 /* ModR/M.rm := op(ModR/M.reg, imm) */
5134 x->d86_numopnds = 3;
5135
5136 dtrace_get_modrm(x, &mode, ®, &r_m);
5137 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m);
5138
5139 #ifdef DIS_TEXT
5140 if (dp == &dis_opAVX660F3A[0x16]) {
5141 /* vpextrd/q <imm>, <xmm>, <reg/mem 32/64> */
5142 if (vex_W)
5143 x->d86_mnem[6] = 'q';
5144 }
5145 #endif
5146 dtrace_get_operand(x, mode, r_m, LONG_OPND, 2);
5147 dtrace_get_operand(x, REG_ONLY, reg, wbit, 1);
5148
5149 /* one byte immediate number */
5150 dtrace_imm_opnd(x, wbit, 1, 0);
5151 break;
5152 case VEX_RIM:
5153 /* ModR/M.rm := op(ModR/M.reg, imm) */
5154 x->d86_numopnds = 3;
5155
5156 dtrace_get_modrm(x, &mode, ®, &r_m);
5157 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m);
5158
5159 dtrace_get_operand(x, mode, r_m, XMM_OPND, 2);
5160 dtrace_get_operand(x, REG_ONLY, reg, wbit, 1);
5161 /* one byte immediate number */
5162 dtrace_imm_opnd(x, wbit, 1, 0);
5163 break;
5164
5165 case VEX_RM:
5166 /* ModR/M.rm := op(ModR/M.reg) */
5167 if (dp == &dis_opAVX660F3A[0x17]) { /* vextractps */
5168 x->d86_numopnds = 3;
5169
5170 dtrace_get_modrm(x, &mode, ®, &r_m);
5171 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m);
5172
5173 dtrace_get_operand(x, mode, r_m, LONG_OPND, 2);
5174 dtrace_get_operand(x, REG_ONLY, reg, wbit, 1);
5175 /* one byte immediate number */
5176 dtrace_imm_opnd(x, wbit, 1, 0);
5177 break;
5178 }
5179 x->d86_numopnds = 2;
5180
5181 dtrace_get_modrm(x, &mode, ®, &r_m);
5182 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m);
5183 L_VEX_RM:
5184 vbit = 1;
5185 dtrace_get_operand(x, mode, r_m, wbit, vbit);
5186 dtrace_get_operand(x, REG_ONLY, reg, wbit, vbit - 1);
5187
5188 break;
5189
5190 case VEX_RRM:
5191 /* ModR/M.rm := op(VEX.vvvv, ModR/M.reg) */
5192 x->d86_numopnds = 3;
5193
5194 dtrace_get_modrm(x, &mode, ®, &r_m);
5195 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m);
5196 dtrace_get_operand(x, mode, r_m, wbit, 2);
5197 /* VEX use the 1's complement form encode the XMM/YMM regs */
5198 dtrace_get_operand(x, REG_ONLY, (0xF - vex_v), wbit, 1);
5199 dtrace_get_operand(x, REG_ONLY, reg, wbit, 0);
5200 break;
5201
5202 case VEX_RMX:
5203 /* ModR/M.reg := op(VEX.vvvv, ModR/M.rm) */
5204 x->d86_numopnds = 3;
5205
5206 dtrace_get_modrm(x, &mode, ®, &r_m);
5207 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m);
5208 dtrace_get_operand(x, REG_ONLY, reg, wbit, 2);
5209 dtrace_get_operand(x, REG_ONLY, (0xF - vex_v), wbit, 1);
5210 dtrace_get_operand(x, REG_ONLY, r_m, wbit, 0);
5211 break;
5212
5213 case VEX_NONE:
5214 #ifdef DIS_TEXT
5215 if (vex_L)
5216 (void) strncpy(x->d86_mnem, "vzeroall", OPLEN);
5217 #endif
5218 break;
5219 case BLS: {
5220
5221 /*
5222 * The BLS instructions are VEX instructions that are based on
5223 * VEX.0F38.F3; however, they are considered special group 17
5224 * and like everything else, they use the bits in 3-5 of the
5225 * MOD R/M to determine the sub instruction. Unlike many others
5226 * like the VMX instructions, these are valid both for memory
5227 * and register forms.
5228 */
5229
5230 dtrace_get_modrm(x, &mode, ®, &r_m);
5231 dtrace_vex_adjust(vex_byte1, mode, ®, &r_m);
5232
5233 switch (reg) {
5234 case 1:
5235 #ifdef DIS_TEXT
5236 blsinstr = "blsr";
5237 #endif
5238 break;
5239 case 2:
5240 #ifdef DIS_TEXT
5241 blsinstr = "blsmsk";
5242 #endif
5243 break;
5244 case 3:
5245 #ifdef DIS_TEXT
5246 blsinstr = "blsi";
5247 #endif
5248 break;
5249 default:
5250 goto error;
5251 }
5252
5253 x->d86_numopnds = 2;
5254 #ifdef DIS_TEXT
5255 (void) strncpy(x->d86_mnem, blsinstr, OPLEN);
5256 #endif
5257 dtrace_get_operand(x, REG_ONLY, (0xF - vex_v), wbit, 1);
5258 dtrace_get_operand(x, mode, r_m, wbit, 0);
5259 break;
5260 }
5261 /* an invalid op code */
5262 case AM:
5263 case DM:
5264 case OVERRIDE:
5265 case PREFIX:
5266 case UNKNOWN:
5267 NOMEM;
5268 default:
5269 goto error;
5270 } /* end switch */
5271 if (x->d86_error)
5272 goto error;
5273
5274 done:
5275 #ifdef DIS_MEM
5276 /*
5277 * compute the size of any memory accessed by the instruction
5278 */
5279 if (x->d86_memsize != 0) {
5280 return (0);
5281 } else if (dp->it_stackop) {
5282 switch (opnd_size) {
5283 case SIZE16:
5284 x->d86_memsize = 2;
5285 break;
5286 case SIZE32:
5287 x->d86_memsize = 4;
5288 break;
5289 case SIZE64:
5290 x->d86_memsize = 8;
5291 break;
5292 }
5293 } else if (nomem || mode == REG_ONLY) {
5294 x->d86_memsize = 0;
5295
5296 } else if (dp->it_size != 0) {
5297 /*
5298 * In 64 bit mode descriptor table entries
5299 * go up to 10 bytes and popf/pushf are always 8 bytes
5300 */
5301 if (x->d86_mode == SIZE64 && dp->it_size == 6)
5302 x->d86_memsize = 10;
5303 else if (x->d86_mode == SIZE64 && opcode1 == 0x9 &&
5304 (opcode2 == 0xc || opcode2 == 0xd))
5305 x->d86_memsize = 8;
5306 else
5307 x->d86_memsize = dp->it_size;
5308
5309 } else if (wbit == 0) {
5310 x->d86_memsize = 1;
5311
5312 } else if (wbit == LONG_OPND) {
5313 if (opnd_size == SIZE64)
5314 x->d86_memsize = 8;
5315 else if (opnd_size == SIZE32)
5316 x->d86_memsize = 4;
5317 else
5318 x->d86_memsize = 2;
5319
5320 } else if (wbit == SEG_OPND) {
5321 x->d86_memsize = 4;
5322
5323 } else {
5324 x->d86_memsize = 8;
5325 }
5326 #endif
5327 return (0);
5328
5329 error:
5330 #ifdef DIS_TEXT
5331 (void) strlcat(x->d86_mnem, "undef", OPLEN);
5332 #endif
5333 return (1);
5334 }
5335
5336 #ifdef DIS_TEXT
5337
5338 /*
5339 * Some instructions should have immediate operands printed
5340 * as unsigned integers. We compare against this table.
5341 */
5342 static char *unsigned_ops[] = {
5343 "or", "and", "xor", "test", "in", "out", "lcall", "ljmp",
5344 "rcr", "rcl", "ror", "rol", "shl", "shr", "sal", "psr", "psl",
5345 0
5346 };
5347
5348
5349 static int
5350 isunsigned_op(char *opcode)
5351 {
5352 char *where;
5353 int i;
5354 int is_unsigned = 0;
5355
5356 /*
5357 * Work back to start of last mnemonic, since we may have
5358 * prefixes on some opcodes.
5359 */
5360 where = opcode + strlen(opcode) - 1;
5361 while (where > opcode && *where != ' ')
5362 --where;
5363 if (*where == ' ')
5364 ++where;
5365
5366 for (i = 0; unsigned_ops[i]; ++i) {
5367 if (strncmp(where, unsigned_ops[i],
5368 strlen(unsigned_ops[i])))
5369 continue;
5370 is_unsigned = 1;
5371 break;
5372 }
5373 return (is_unsigned);
5374 }
5375
5376 /*
5377 * Print a numeric immediate into end of buf, maximum length buflen.
5378 * The immediate may be an address or a displacement. Mask is set
5379 * for address size. If the immediate is a "small negative", or
5380 * if it's a negative displacement of any magnitude, print as -<absval>.
5381 * Respect the "octal" flag. "Small negative" is defined as "in the
5382 * interval [NEG_LIMIT, 0)".
5383 *
5384 * Also, "isunsigned_op()" instructions never print negatives.
5385 *
5386 * Return whether we decided to print a negative value or not.
5387 */
5388
5389 #define NEG_LIMIT -255
5390 enum {IMM, DISP};
5391 enum {POS, TRY_NEG};
5392
5393 static int
5394 print_imm(dis86_t *dis, uint64_t usv, uint64_t mask, char *buf,
5395 size_t buflen, int disp, int try_neg)
5396 {
5397 int curlen;
5398 int64_t sv = (int64_t)usv;
5399 int octal = dis->d86_flags & DIS_F_OCTAL;
5400
5401 curlen = strlen(buf);
5402
5403 if (try_neg == TRY_NEG && sv < 0 &&
5404 (disp || sv >= NEG_LIMIT) &&
5405 !isunsigned_op(dis->d86_mnem)) {
5406 dis->d86_sprintf_func(buf + curlen, buflen - curlen,
5407 octal ? "-0%llo" : "-0x%llx", (-sv) & mask);
5408 return (1);
5409 } else {
5410 if (disp == DISP)
5411 dis->d86_sprintf_func(buf + curlen, buflen - curlen,
5412 octal ? "+0%llo" : "+0x%llx", usv & mask);
5413 else
5414 dis->d86_sprintf_func(buf + curlen, buflen - curlen,
5415 octal ? "0%llo" : "0x%llx", usv & mask);
5416 return (0);
5417
5418 }
5419 }
5420
5421
5422 static int
5423 log2(int size)
5424 {
5425 switch (size) {
5426 case 1: return (0);
5427 case 2: return (1);
5428 case 4: return (2);
5429 case 8: return (3);
5430 }
5431 return (0);
5432 }
5433
5434 /* ARGSUSED */
5435 void
5436 dtrace_disx86_str(dis86_t *dis, uint_t mode, uint64_t pc, char *buf,
5437 size_t buflen)
5438 {
5439 uint64_t reltgt = 0;
5440 uint64_t tgt = 0;
5441 int curlen;
5442 int (*lookup)(void *, uint64_t, char *, size_t);
5443 int i;
5444 int64_t sv;
5445 uint64_t usv, mask, save_mask, save_usv;
5446 static uint64_t masks[] =
5447 {0xffU, 0xffffU, 0xffffffffU, 0xffffffffffffffffULL};
5448 save_usv = 0;
5449
5450 dis->d86_sprintf_func(buf, buflen, "%-6s ", dis->d86_mnem);
5451
5452 /*
5453 * For PC-relative jumps, the pc is really the next pc after executing
5454 * this instruction, so increment it appropriately.
5455 */
5456 pc += dis->d86_len;
5457
5458 for (i = 0; i < dis->d86_numopnds; i++) {
5459 d86opnd_t *op = &dis->d86_opnd[i];
5460
5461 if (i != 0)
5462 (void) strlcat(buf, ",", buflen);
5463
5464 (void) strlcat(buf, op->d86_prefix, buflen);
5465
5466 /*
5467 * sv is for the signed, possibly-truncated immediate or
5468 * displacement; usv retains the original size and
5469 * unsignedness for symbol lookup.
5470 */
5471
5472 sv = usv = op->d86_value;
5473
5474 /*
5475 * About masks: for immediates that represent
5476 * addresses, the appropriate display size is
5477 * the effective address size of the instruction.
5478 * This includes MODE_OFFSET, MODE_IPREL, and
5479 * MODE_RIPREL. Immediates that are simply
5480 * immediate values should display in the operand's
5481 * size, however, since they don't represent addresses.
5482 */
5483
5484 /* d86_addr_size is SIZEnn, which is log2(real size) */
5485 mask = masks[dis->d86_addr_size];
5486
5487 /* d86_value_size and d86_imm_bytes are in bytes */
5488 if (op->d86_mode == MODE_SIGNED ||
5489 op->d86_mode == MODE_IMPLIED)
5490 mask = masks[log2(op->d86_value_size)];
5491
5492 switch (op->d86_mode) {
5493
5494 case MODE_NONE:
5495
5496 (void) strlcat(buf, op->d86_opnd, buflen);
5497 break;
5498
5499 case MODE_SIGNED:
5500 case MODE_IMPLIED:
5501 case MODE_OFFSET:
5502
5503 tgt = usv;
5504
5505 if (dis->d86_seg_prefix)
5506 (void) strlcat(buf, dis->d86_seg_prefix,
5507 buflen);
5508
5509 if (op->d86_mode == MODE_SIGNED ||
5510 op->d86_mode == MODE_IMPLIED) {
5511 (void) strlcat(buf, "$", buflen);
5512 }
5513
5514 if (print_imm(dis, usv, mask, buf, buflen,
5515 IMM, TRY_NEG) &&
5516 (op->d86_mode == MODE_SIGNED ||
5517 op->d86_mode == MODE_IMPLIED)) {
5518
5519 /*
5520 * We printed a negative value for an
5521 * immediate that wasn't a
5522 * displacement. Note that fact so we can
5523 * print the positive value as an
5524 * annotation.
5525 */
5526
5527 save_usv = usv;
5528 save_mask = mask;
5529 }
5530 (void) strlcat(buf, op->d86_opnd, buflen);
5531
5532 break;
5533
5534 case MODE_IPREL:
5535 case MODE_RIPREL:
5536
5537 reltgt = pc + sv;
5538
5539 switch (mode) {
5540 case SIZE16:
5541 reltgt = (uint16_t)reltgt;
5542 break;
5543 case SIZE32:
5544 reltgt = (uint32_t)reltgt;
5545 break;
5546 }
5547
5548 (void) print_imm(dis, usv, mask, buf, buflen,
5549 DISP, TRY_NEG);
5550
5551 if (op->d86_mode == MODE_RIPREL)
5552 (void) strlcat(buf, "(%rip)", buflen);
5553 break;
5554 }
5555 }
5556
5557 /*
5558 * The symbol lookups may result in false positives,
5559 * particularly on object files, where small numbers may match
5560 * the 0-relative non-relocated addresses of symbols.
5561 */
5562
5563 lookup = dis->d86_sym_lookup;
5564 if (tgt != 0) {
5565 if ((dis->d86_flags & DIS_F_NOIMMSYM) == 0 &&
5566 lookup(dis->d86_data, tgt, NULL, 0) == 0) {
5567 (void) strlcat(buf, "\t<", buflen);
5568 curlen = strlen(buf);
5569 lookup(dis->d86_data, tgt, buf + curlen,
5570 buflen - curlen);
5571 (void) strlcat(buf, ">", buflen);
5572 }
5573
5574 /*
5575 * If we printed a negative immediate above, print the
5576 * positive in case our heuristic was unhelpful
5577 */
5578 if (save_usv) {
5579 (void) strlcat(buf, "\t<", buflen);
5580 (void) print_imm(dis, save_usv, save_mask, buf, buflen,
5581 IMM, POS);
5582 (void) strlcat(buf, ">", buflen);
5583 }
5584 }
5585
5586 if (reltgt != 0) {
5587 /* Print symbol or effective address for reltgt */
5588
5589 (void) strlcat(buf, "\t<", buflen);
5590 curlen = strlen(buf);
5591 lookup(dis->d86_data, reltgt, buf + curlen,
5592 buflen - curlen);
5593 (void) strlcat(buf, ">", buflen);
5594 }
5595 }
5596
5597 #endif /* DIS_TEXT */
Cache object: eac9a44f02b95b617672c274011fa8c4
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