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1 | /* opcodes/i386-dis.c r1.126 */ | |
2 | /* Print i386 instructions for GDB, the GNU debugger. | |
3 | Copyright 1988, 1989, 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, | |
4 | 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. | |
5 | ||
6 | This file is part of GDB. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program; if not, see <http://www.gnu.org/licenses/>. */ | |
20 | ||
21 | /* 80386 instruction printer by Pace Willisson (pace@prep.ai.mit.edu) | |
22 | July 1988 | |
23 | modified by John Hassey (hassey@dg-rtp.dg.com) | |
24 | x86-64 support added by Jan Hubicka (jh@suse.cz) | |
25 | VIA PadLock support by Michal Ludvig (mludvig@suse.cz). */ | |
26 | ||
27 | /* The main tables describing the instructions is essentially a copy | |
28 | of the "Opcode Map" chapter (Appendix A) of the Intel 80386 | |
29 | Programmers Manual. Usually, there is a capital letter, followed | |
30 | by a small letter. The capital letter tell the addressing mode, | |
31 | and the small letter tells about the operand size. Refer to | |
32 | the Intel manual for details. */ | |
33 | ||
34 | #include <stdlib.h> | |
35 | #include "dis-asm.h" | |
36 | /* include/opcode/i386.h r1.78 */ | |
37 | ||
38 | /* opcode/i386.h -- Intel 80386 opcode macros | |
39 | Copyright 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, | |
40 | 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 | |
41 | Free Software Foundation, Inc. | |
42 | ||
43 | This file is part of GAS, the GNU Assembler, and GDB, the GNU Debugger. | |
44 | ||
45 | This program is free software; you can redistribute it and/or modify | |
46 | it under the terms of the GNU General Public License as published by | |
47 | the Free Software Foundation; either version 2 of the License, or | |
48 | (at your option) any later version. | |
49 | ||
50 | This program is distributed in the hope that it will be useful, | |
51 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
52 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
53 | GNU General Public License for more details. | |
54 | ||
55 | You should have received a copy of the GNU General Public License | |
56 | along with this program; if not, see <http://www.gnu.org/licenses/>. */ | |
57 | ||
58 | /* The SystemV/386 SVR3.2 assembler, and probably all AT&T derived | |
59 | ix86 Unix assemblers, generate floating point instructions with | |
60 | reversed source and destination registers in certain cases. | |
61 | Unfortunately, gcc and possibly many other programs use this | |
62 | reversed syntax, so we're stuck with it. | |
63 | ||
64 | eg. `fsub %st(3),%st' results in st = st - st(3) as expected, but | |
65 | `fsub %st,%st(3)' results in st(3) = st - st(3), rather than | |
66 | the expected st(3) = st(3) - st | |
67 | ||
68 | This happens with all the non-commutative arithmetic floating point | |
69 | operations with two register operands, where the source register is | |
70 | %st, and destination register is %st(i). | |
71 | ||
72 | The affected opcode map is dceX, dcfX, deeX, defX. */ | |
73 | ||
74 | #ifndef SYSV386_COMPAT | |
75 | /* Set non-zero for broken, compatible instructions. Set to zero for | |
76 | non-broken opcodes at your peril. gcc generates SystemV/386 | |
77 | compatible instructions. */ | |
78 | #define SYSV386_COMPAT 1 | |
79 | #endif | |
80 | #ifndef OLDGCC_COMPAT | |
81 | /* Set non-zero to cater for old (<= 2.8.1) versions of gcc that could | |
82 | generate nonsense fsubp, fsubrp, fdivp and fdivrp with operands | |
83 | reversed. */ | |
84 | #define OLDGCC_COMPAT SYSV386_COMPAT | |
85 | #endif | |
86 | ||
87 | #define MOV_AX_DISP32 0xa0 | |
88 | #define POP_SEG_SHORT 0x07 | |
89 | #define JUMP_PC_RELATIVE 0xeb | |
90 | #define INT_OPCODE 0xcd | |
91 | #define INT3_OPCODE 0xcc | |
92 | /* The opcode for the fwait instruction, which disassembler treats as a | |
93 | prefix when it can. */ | |
94 | #define FWAIT_OPCODE 0x9b | |
95 | #define ADDR_PREFIX_OPCODE 0x67 | |
96 | #define DATA_PREFIX_OPCODE 0x66 | |
97 | #define LOCK_PREFIX_OPCODE 0xf0 | |
98 | #define CS_PREFIX_OPCODE 0x2e | |
99 | #define DS_PREFIX_OPCODE 0x3e | |
100 | #define ES_PREFIX_OPCODE 0x26 | |
101 | #define FS_PREFIX_OPCODE 0x64 | |
102 | #define GS_PREFIX_OPCODE 0x65 | |
103 | #define SS_PREFIX_OPCODE 0x36 | |
104 | #define REPNE_PREFIX_OPCODE 0xf2 | |
105 | #define REPE_PREFIX_OPCODE 0xf3 | |
106 | ||
107 | #define TWO_BYTE_OPCODE_ESCAPE 0x0f | |
108 | #define NOP_OPCODE (char) 0x90 | |
109 | ||
110 | /* register numbers */ | |
111 | #define EBP_REG_NUM 5 | |
112 | #define ESP_REG_NUM 4 | |
113 | ||
114 | /* modrm_byte.regmem for twobyte escape */ | |
115 | #define ESCAPE_TO_TWO_BYTE_ADDRESSING ESP_REG_NUM | |
116 | /* index_base_byte.index for no index register addressing */ | |
117 | #define NO_INDEX_REGISTER ESP_REG_NUM | |
118 | /* index_base_byte.base for no base register addressing */ | |
119 | #define NO_BASE_REGISTER EBP_REG_NUM | |
120 | #define NO_BASE_REGISTER_16 6 | |
121 | ||
122 | /* modrm.mode = REGMEM_FIELD_HAS_REG when a register is in there */ | |
123 | #define REGMEM_FIELD_HAS_REG 0x3/* always = 0x3 */ | |
124 | #define REGMEM_FIELD_HAS_MEM (~REGMEM_FIELD_HAS_REG) | |
125 | ||
126 | /* x86-64 extension prefix. */ | |
127 | #define REX_OPCODE 0x40 | |
128 | ||
129 | /* Indicates 64 bit operand size. */ | |
130 | #define REX_W 8 | |
131 | /* High extension to reg field of modrm byte. */ | |
132 | #define REX_R 4 | |
133 | /* High extension to SIB index field. */ | |
134 | #define REX_X 2 | |
135 | /* High extension to base field of modrm or SIB, or reg field of opcode. */ | |
136 | #define REX_B 1 | |
137 | ||
138 | /* max operands per insn */ | |
139 | #define MAX_OPERANDS 4 | |
140 | ||
141 | /* max immediates per insn (lcall, ljmp, insertq, extrq) */ | |
142 | #define MAX_IMMEDIATE_OPERANDS 2 | |
143 | ||
144 | /* max memory refs per insn (string ops) */ | |
145 | #define MAX_MEMORY_OPERANDS 2 | |
146 | ||
147 | /* max size of insn mnemonics. */ | |
148 | #define MAX_MNEM_SIZE 16 | |
149 | ||
150 | /* max size of register name in insn mnemonics. */ | |
151 | #define MAX_REG_NAME_SIZE 8 | |
152 | ||
153 | /* opcodes/i386-dis.c r1.126 */ | |
154 | #include "qemu-common.h" | |
155 | ||
156 | #include <setjmp.h> | |
157 | ||
158 | static int fetch_data2(struct disassemble_info *, bfd_byte *); | |
159 | static int fetch_data(struct disassemble_info *, bfd_byte *); | |
160 | static void ckprefix (void); | |
161 | static const char *prefix_name (int, int); | |
162 | static int print_insn (bfd_vma, disassemble_info *); | |
163 | static void dofloat (int); | |
164 | static void OP_ST (int, int); | |
165 | static void OP_STi (int, int); | |
166 | static int putop (const char *, int); | |
167 | static void oappend (const char *); | |
168 | static void append_seg (void); | |
169 | static void OP_indirE (int, int); | |
170 | static void print_operand_value (char *buf, size_t bufsize, int hex, bfd_vma disp); | |
171 | static void print_displacement (char *, bfd_vma); | |
172 | static void OP_E (int, int); | |
173 | static void OP_G (int, int); | |
174 | static bfd_vma get64 (void); | |
175 | static bfd_signed_vma get32 (void); | |
176 | static bfd_signed_vma get32s (void); | |
177 | static int get16 (void); | |
178 | static void set_op (bfd_vma, int); | |
179 | static void OP_REG (int, int); | |
180 | static void OP_IMREG (int, int); | |
181 | static void OP_I (int, int); | |
182 | static void OP_I64 (int, int); | |
183 | static void OP_sI (int, int); | |
184 | static void OP_J (int, int); | |
185 | static void OP_SEG (int, int); | |
186 | static void OP_DIR (int, int); | |
187 | static void OP_OFF (int, int); | |
188 | static void OP_OFF64 (int, int); | |
189 | static void ptr_reg (int, int); | |
190 | static void OP_ESreg (int, int); | |
191 | static void OP_DSreg (int, int); | |
192 | static void OP_C (int, int); | |
193 | static void OP_D (int, int); | |
194 | static void OP_T (int, int); | |
195 | static void OP_R (int, int); | |
196 | static void OP_MMX (int, int); | |
197 | static void OP_XMM (int, int); | |
198 | static void OP_EM (int, int); | |
199 | static void OP_EX (int, int); | |
200 | static void OP_EMC (int,int); | |
201 | static void OP_MXC (int,int); | |
202 | static void OP_MS (int, int); | |
203 | static void OP_XS (int, int); | |
204 | static void OP_M (int, int); | |
205 | static void OP_VMX (int, int); | |
206 | static void OP_0fae (int, int); | |
207 | static void OP_0f07 (int, int); | |
208 | static void NOP_Fixup1 (int, int); | |
209 | static void NOP_Fixup2 (int, int); | |
210 | static void OP_3DNowSuffix (int, int); | |
211 | static void OP_SIMD_Suffix (int, int); | |
212 | static void SIMD_Fixup (int, int); | |
213 | static void PNI_Fixup (int, int); | |
214 | static void SVME_Fixup (int, int); | |
215 | static void INVLPG_Fixup (int, int); | |
216 | static void BadOp (void); | |
217 | static void VMX_Fixup (int, int); | |
218 | static void REP_Fixup (int, int); | |
219 | static void CMPXCHG8B_Fixup (int, int); | |
220 | static void XMM_Fixup (int, int); | |
221 | static void CRC32_Fixup (int, int); | |
222 | ||
223 | struct dis_private { | |
224 | /* Points to first byte not fetched. */ | |
225 | bfd_byte *max_fetched; | |
226 | bfd_byte the_buffer[MAX_MNEM_SIZE]; | |
227 | bfd_vma insn_start; | |
228 | int orig_sizeflag; | |
229 | jmp_buf bailout; | |
230 | }; | |
231 | ||
232 | enum address_mode | |
233 | { | |
234 | mode_16bit, | |
235 | mode_32bit, | |
236 | mode_64bit | |
237 | }; | |
238 | ||
239 | static enum address_mode address_mode; | |
240 | ||
241 | /* Flags for the prefixes for the current instruction. See below. */ | |
242 | static int prefixes; | |
243 | ||
244 | /* REX prefix the current instruction. See below. */ | |
245 | static int rex; | |
246 | /* Bits of REX we've already used. */ | |
247 | static int rex_used; | |
248 | /* Mark parts used in the REX prefix. When we are testing for | |
249 | empty prefix (for 8bit register REX extension), just mask it | |
250 | out. Otherwise test for REX bit is excuse for existence of REX | |
251 | only in case value is nonzero. */ | |
252 | #define USED_REX(value) \ | |
253 | { \ | |
254 | if (value) \ | |
255 | { \ | |
256 | if ((rex & value)) \ | |
257 | rex_used |= (value) | REX_OPCODE; \ | |
258 | } \ | |
259 | else \ | |
260 | rex_used |= REX_OPCODE; \ | |
261 | } | |
262 | ||
263 | /* Flags for prefixes which we somehow handled when printing the | |
264 | current instruction. */ | |
265 | static int used_prefixes; | |
266 | ||
267 | /* Flags stored in PREFIXES. */ | |
268 | #define PREFIX_REPZ 1 | |
269 | #define PREFIX_REPNZ 2 | |
270 | #define PREFIX_LOCK 4 | |
271 | #define PREFIX_CS 8 | |
272 | #define PREFIX_SS 0x10 | |
273 | #define PREFIX_DS 0x20 | |
274 | #define PREFIX_ES 0x40 | |
275 | #define PREFIX_FS 0x80 | |
276 | #define PREFIX_GS 0x100 | |
277 | #define PREFIX_DATA 0x200 | |
278 | #define PREFIX_ADDR 0x400 | |
279 | #define PREFIX_FWAIT 0x800 | |
280 | ||
281 | /* Make sure that bytes from INFO->PRIVATE_DATA->BUFFER (inclusive) | |
282 | to ADDR (exclusive) are valid. Returns 1 for success, longjmps | |
283 | on error. */ | |
284 | static int | |
285 | fetch_data2(struct disassemble_info *info, bfd_byte *addr) | |
286 | { | |
287 | int status; | |
288 | struct dis_private *priv = (struct dis_private *) info->private_data; | |
289 | bfd_vma start = priv->insn_start + (priv->max_fetched - priv->the_buffer); | |
290 | ||
291 | if (addr <= priv->the_buffer + MAX_MNEM_SIZE) | |
292 | status = (*info->read_memory_func) (start, | |
293 | priv->max_fetched, | |
294 | addr - priv->max_fetched, | |
295 | info); | |
296 | else | |
297 | status = -1; | |
298 | if (status != 0) | |
299 | { | |
300 | /* If we did manage to read at least one byte, then | |
301 | print_insn_i386 will do something sensible. Otherwise, print | |
302 | an error. We do that here because this is where we know | |
303 | STATUS. */ | |
304 | if (priv->max_fetched == priv->the_buffer) | |
305 | (*info->memory_error_func) (status, start, info); | |
306 | longjmp (priv->bailout, 1); | |
307 | } | |
308 | else | |
309 | priv->max_fetched = addr; | |
310 | return 1; | |
311 | } | |
312 | ||
313 | static int | |
314 | fetch_data(struct disassemble_info *info, bfd_byte *addr) | |
315 | { | |
316 | if (addr <= ((struct dis_private *) (info->private_data))->max_fetched) { | |
317 | return 1; | |
318 | } else { | |
319 | return fetch_data2(info, addr); | |
320 | } | |
321 | } | |
322 | ||
323 | ||
324 | #define XX { NULL, 0 } | |
325 | ||
326 | #define Eb { OP_E, b_mode } | |
327 | #define Ev { OP_E, v_mode } | |
328 | #define Ed { OP_E, d_mode } | |
329 | #define Edq { OP_E, dq_mode } | |
330 | #define Edqw { OP_E, dqw_mode } | |
331 | #define Edqb { OP_E, dqb_mode } | |
332 | #define Edqd { OP_E, dqd_mode } | |
333 | #define indirEv { OP_indirE, stack_v_mode } | |
334 | #define indirEp { OP_indirE, f_mode } | |
335 | #define stackEv { OP_E, stack_v_mode } | |
336 | #define Em { OP_E, m_mode } | |
337 | #define Ew { OP_E, w_mode } | |
338 | #define M { OP_M, 0 } /* lea, lgdt, etc. */ | |
339 | #define Ma { OP_M, v_mode } | |
340 | #define Mp { OP_M, f_mode } /* 32 or 48 bit memory operand for LDS, LES etc */ | |
341 | #define Mq { OP_M, q_mode } | |
342 | #define Gb { OP_G, b_mode } | |
343 | #define Gv { OP_G, v_mode } | |
344 | #define Gd { OP_G, d_mode } | |
345 | #define Gdq { OP_G, dq_mode } | |
346 | #define Gm { OP_G, m_mode } | |
347 | #define Gw { OP_G, w_mode } | |
348 | #define Rd { OP_R, d_mode } | |
349 | #define Rm { OP_R, m_mode } | |
350 | #define Ib { OP_I, b_mode } | |
351 | #define sIb { OP_sI, b_mode } /* sign extened byte */ | |
352 | #define Iv { OP_I, v_mode } | |
353 | #define Iq { OP_I, q_mode } | |
354 | #define Iv64 { OP_I64, v_mode } | |
355 | #define Iw { OP_I, w_mode } | |
356 | #define I1 { OP_I, const_1_mode } | |
357 | #define Jb { OP_J, b_mode } | |
358 | #define Jv { OP_J, v_mode } | |
359 | #define Cm { OP_C, m_mode } | |
360 | #define Dm { OP_D, m_mode } | |
361 | #define Td { OP_T, d_mode } | |
362 | ||
363 | #define RMeAX { OP_REG, eAX_reg } | |
364 | #define RMeBX { OP_REG, eBX_reg } | |
365 | #define RMeCX { OP_REG, eCX_reg } | |
366 | #define RMeDX { OP_REG, eDX_reg } | |
367 | #define RMeSP { OP_REG, eSP_reg } | |
368 | #define RMeBP { OP_REG, eBP_reg } | |
369 | #define RMeSI { OP_REG, eSI_reg } | |
370 | #define RMeDI { OP_REG, eDI_reg } | |
371 | #define RMrAX { OP_REG, rAX_reg } | |
372 | #define RMrBX { OP_REG, rBX_reg } | |
373 | #define RMrCX { OP_REG, rCX_reg } | |
374 | #define RMrDX { OP_REG, rDX_reg } | |
375 | #define RMrSP { OP_REG, rSP_reg } | |
376 | #define RMrBP { OP_REG, rBP_reg } | |
377 | #define RMrSI { OP_REG, rSI_reg } | |
378 | #define RMrDI { OP_REG, rDI_reg } | |
379 | #define RMAL { OP_REG, al_reg } | |
380 | #define RMAL { OP_REG, al_reg } | |
381 | #define RMCL { OP_REG, cl_reg } | |
382 | #define RMDL { OP_REG, dl_reg } | |
383 | #define RMBL { OP_REG, bl_reg } | |
384 | #define RMAH { OP_REG, ah_reg } | |
385 | #define RMCH { OP_REG, ch_reg } | |
386 | #define RMDH { OP_REG, dh_reg } | |
387 | #define RMBH { OP_REG, bh_reg } | |
388 | #define RMAX { OP_REG, ax_reg } | |
389 | #define RMDX { OP_REG, dx_reg } | |
390 | ||
391 | #define eAX { OP_IMREG, eAX_reg } | |
392 | #define eBX { OP_IMREG, eBX_reg } | |
393 | #define eCX { OP_IMREG, eCX_reg } | |
394 | #define eDX { OP_IMREG, eDX_reg } | |
395 | #define eSP { OP_IMREG, eSP_reg } | |
396 | #define eBP { OP_IMREG, eBP_reg } | |
397 | #define eSI { OP_IMREG, eSI_reg } | |
398 | #define eDI { OP_IMREG, eDI_reg } | |
399 | #define AL { OP_IMREG, al_reg } | |
400 | #define CL { OP_IMREG, cl_reg } | |
401 | #define DL { OP_IMREG, dl_reg } | |
402 | #define BL { OP_IMREG, bl_reg } | |
403 | #define AH { OP_IMREG, ah_reg } | |
404 | #define CH { OP_IMREG, ch_reg } | |
405 | #define DH { OP_IMREG, dh_reg } | |
406 | #define BH { OP_IMREG, bh_reg } | |
407 | #define AX { OP_IMREG, ax_reg } | |
408 | #define DX { OP_IMREG, dx_reg } | |
409 | #define zAX { OP_IMREG, z_mode_ax_reg } | |
410 | #define indirDX { OP_IMREG, indir_dx_reg } | |
411 | ||
412 | #define Sw { OP_SEG, w_mode } | |
413 | #define Sv { OP_SEG, v_mode } | |
414 | #define Ap { OP_DIR, 0 } | |
415 | #define Ob { OP_OFF64, b_mode } | |
416 | #define Ov { OP_OFF64, v_mode } | |
417 | #define Xb { OP_DSreg, eSI_reg } | |
418 | #define Xv { OP_DSreg, eSI_reg } | |
419 | #define Xz { OP_DSreg, eSI_reg } | |
420 | #define Yb { OP_ESreg, eDI_reg } | |
421 | #define Yv { OP_ESreg, eDI_reg } | |
422 | #define DSBX { OP_DSreg, eBX_reg } | |
423 | ||
424 | #define es { OP_REG, es_reg } | |
425 | #define ss { OP_REG, ss_reg } | |
426 | #define cs { OP_REG, cs_reg } | |
427 | #define ds { OP_REG, ds_reg } | |
428 | #define fs { OP_REG, fs_reg } | |
429 | #define gs { OP_REG, gs_reg } | |
430 | ||
431 | #define MX { OP_MMX, 0 } | |
432 | #define XM { OP_XMM, 0 } | |
433 | #define EM { OP_EM, v_mode } | |
434 | #define EMd { OP_EM, d_mode } | |
435 | #define EMq { OP_EM, q_mode } | |
436 | #define EXd { OP_EX, d_mode } | |
437 | #define EXq { OP_EX, q_mode } | |
438 | #define EXx { OP_EX, x_mode } | |
439 | #define MS { OP_MS, v_mode } | |
440 | #define XS { OP_XS, v_mode } | |
441 | #define EMC { OP_EMC, v_mode } | |
442 | #define MXC { OP_MXC, 0 } | |
443 | #define VM { OP_VMX, q_mode } | |
444 | #define OPSUF { OP_3DNowSuffix, 0 } | |
445 | #define OPSIMD { OP_SIMD_Suffix, 0 } | |
446 | #define XMM0 { XMM_Fixup, 0 } | |
447 | ||
448 | /* Used handle "rep" prefix for string instructions. */ | |
449 | #define Xbr { REP_Fixup, eSI_reg } | |
450 | #define Xvr { REP_Fixup, eSI_reg } | |
451 | #define Ybr { REP_Fixup, eDI_reg } | |
452 | #define Yvr { REP_Fixup, eDI_reg } | |
453 | #define Yzr { REP_Fixup, eDI_reg } | |
454 | #define indirDXr { REP_Fixup, indir_dx_reg } | |
455 | #define ALr { REP_Fixup, al_reg } | |
456 | #define eAXr { REP_Fixup, eAX_reg } | |
457 | ||
458 | #define cond_jump_flag { NULL, cond_jump_mode } | |
459 | #define loop_jcxz_flag { NULL, loop_jcxz_mode } | |
460 | ||
461 | /* bits in sizeflag */ | |
462 | #define SUFFIX_ALWAYS 4 | |
463 | #define AFLAG 2 | |
464 | #define DFLAG 1 | |
465 | ||
466 | #define b_mode 1 /* byte operand */ | |
467 | #define v_mode 2 /* operand size depends on prefixes */ | |
468 | #define w_mode 3 /* word operand */ | |
469 | #define d_mode 4 /* double word operand */ | |
470 | #define q_mode 5 /* quad word operand */ | |
471 | #define t_mode 6 /* ten-byte operand */ | |
472 | #define x_mode 7 /* 16-byte XMM operand */ | |
473 | #define m_mode 8 /* d_mode in 32bit, q_mode in 64bit mode. */ | |
474 | #define cond_jump_mode 9 | |
475 | #define loop_jcxz_mode 10 | |
476 | #define dq_mode 11 /* operand size depends on REX prefixes. */ | |
477 | #define dqw_mode 12 /* registers like dq_mode, memory like w_mode. */ | |
478 | #define f_mode 13 /* 4- or 6-byte pointer operand */ | |
479 | #define const_1_mode 14 | |
480 | #define stack_v_mode 15 /* v_mode for stack-related opcodes. */ | |
481 | #define z_mode 16 /* non-quad operand size depends on prefixes */ | |
482 | #define o_mode 17 /* 16-byte operand */ | |
483 | #define dqb_mode 18 /* registers like dq_mode, memory like b_mode. */ | |
484 | #define dqd_mode 19 /* registers like dq_mode, memory like d_mode. */ | |
485 | ||
486 | #define es_reg 100 | |
487 | #define cs_reg 101 | |
488 | #define ss_reg 102 | |
489 | #define ds_reg 103 | |
490 | #define fs_reg 104 | |
491 | #define gs_reg 105 | |
492 | ||
493 | #define eAX_reg 108 | |
494 | #define eCX_reg 109 | |
495 | #define eDX_reg 110 | |
496 | #define eBX_reg 111 | |
497 | #define eSP_reg 112 | |
498 | #define eBP_reg 113 | |
499 | #define eSI_reg 114 | |
500 | #define eDI_reg 115 | |
501 | ||
502 | #define al_reg 116 | |
503 | #define cl_reg 117 | |
504 | #define dl_reg 118 | |
505 | #define bl_reg 119 | |
506 | #define ah_reg 120 | |
507 | #define ch_reg 121 | |
508 | #define dh_reg 122 | |
509 | #define bh_reg 123 | |
510 | ||
511 | #define ax_reg 124 | |
512 | #define cx_reg 125 | |
513 | #define dx_reg 126 | |
514 | #define bx_reg 127 | |
515 | #define sp_reg 128 | |
516 | #define bp_reg 129 | |
517 | #define si_reg 130 | |
518 | #define di_reg 131 | |
519 | ||
520 | #define rAX_reg 132 | |
521 | #define rCX_reg 133 | |
522 | #define rDX_reg 134 | |
523 | #define rBX_reg 135 | |
524 | #define rSP_reg 136 | |
525 | #define rBP_reg 137 | |
526 | #define rSI_reg 138 | |
527 | #define rDI_reg 139 | |
528 | ||
529 | #define z_mode_ax_reg 149 | |
530 | #define indir_dx_reg 150 | |
531 | ||
532 | #define FLOATCODE 1 | |
533 | #define USE_GROUPS 2 | |
534 | #define USE_PREFIX_USER_TABLE 3 | |
535 | #define X86_64_SPECIAL 4 | |
536 | #define IS_3BYTE_OPCODE 5 | |
537 | ||
538 | #define FLOAT NULL, { { NULL, FLOATCODE } } | |
539 | ||
540 | #define GRP1a NULL, { { NULL, USE_GROUPS }, { NULL, 0 } } | |
541 | #define GRP1b NULL, { { NULL, USE_GROUPS }, { NULL, 1 } } | |
542 | #define GRP1S NULL, { { NULL, USE_GROUPS }, { NULL, 2 } } | |
543 | #define GRP1Ss NULL, { { NULL, USE_GROUPS }, { NULL, 3 } } | |
544 | #define GRP2b NULL, { { NULL, USE_GROUPS }, { NULL, 4 } } | |
545 | #define GRP2S NULL, { { NULL, USE_GROUPS }, { NULL, 5 } } | |
546 | #define GRP2b_one NULL, { { NULL, USE_GROUPS }, { NULL, 6 } } | |
547 | #define GRP2S_one NULL, { { NULL, USE_GROUPS }, { NULL, 7 } } | |
548 | #define GRP2b_cl NULL, { { NULL, USE_GROUPS }, { NULL, 8 } } | |
549 | #define GRP2S_cl NULL, { { NULL, USE_GROUPS }, { NULL, 9 } } | |
550 | #define GRP3b NULL, { { NULL, USE_GROUPS }, { NULL, 10 } } | |
551 | #define GRP3S NULL, { { NULL, USE_GROUPS }, { NULL, 11 } } | |
552 | #define GRP4 NULL, { { NULL, USE_GROUPS }, { NULL, 12 } } | |
553 | #define GRP5 NULL, { { NULL, USE_GROUPS }, { NULL, 13 } } | |
554 | #define GRP6 NULL, { { NULL, USE_GROUPS }, { NULL, 14 } } | |
555 | #define GRP7 NULL, { { NULL, USE_GROUPS }, { NULL, 15 } } | |
556 | #define GRP8 NULL, { { NULL, USE_GROUPS }, { NULL, 16 } } | |
557 | #define GRP9 NULL, { { NULL, USE_GROUPS }, { NULL, 17 } } | |
558 | #define GRP11_C6 NULL, { { NULL, USE_GROUPS }, { NULL, 18 } } | |
559 | #define GRP11_C7 NULL, { { NULL, USE_GROUPS }, { NULL, 19 } } | |
560 | #define GRP12 NULL, { { NULL, USE_GROUPS }, { NULL, 20 } } | |
561 | #define GRP13 NULL, { { NULL, USE_GROUPS }, { NULL, 21 } } | |
562 | #define GRP14 NULL, { { NULL, USE_GROUPS }, { NULL, 22 } } | |
563 | #define GRP15 NULL, { { NULL, USE_GROUPS }, { NULL, 23 } } | |
564 | #define GRP16 NULL, { { NULL, USE_GROUPS }, { NULL, 24 } } | |
565 | #define GRPAMD NULL, { { NULL, USE_GROUPS }, { NULL, 25 } } | |
566 | #define GRPPADLCK1 NULL, { { NULL, USE_GROUPS }, { NULL, 26 } } | |
567 | #define GRPPADLCK2 NULL, { { NULL, USE_GROUPS }, { NULL, 27 } } | |
568 | ||
569 | #define PREGRP0 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 0 } } | |
570 | #define PREGRP1 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 1 } } | |
571 | #define PREGRP2 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 2 } } | |
572 | #define PREGRP3 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 3 } } | |
573 | #define PREGRP4 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 4 } } | |
574 | #define PREGRP5 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 5 } } | |
575 | #define PREGRP6 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 6 } } | |
576 | #define PREGRP7 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 7 } } | |
577 | #define PREGRP8 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 8 } } | |
578 | #define PREGRP9 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 9 } } | |
579 | #define PREGRP10 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 10 } } | |
580 | #define PREGRP11 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 11 } } | |
581 | #define PREGRP12 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 12 } } | |
582 | #define PREGRP13 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 13 } } | |
583 | #define PREGRP14 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 14 } } | |
584 | #define PREGRP15 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 15 } } | |
585 | #define PREGRP16 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 16 } } | |
586 | #define PREGRP17 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 17 } } | |
587 | #define PREGRP18 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 18 } } | |
588 | #define PREGRP19 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 19 } } | |
589 | #define PREGRP20 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 20 } } | |
590 | #define PREGRP21 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 21 } } | |
591 | #define PREGRP22 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 22 } } | |
592 | #define PREGRP23 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 23 } } | |
593 | #define PREGRP24 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 24 } } | |
594 | #define PREGRP25 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 25 } } | |
595 | #define PREGRP26 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 26 } } | |
596 | #define PREGRP27 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 27 } } | |
597 | #define PREGRP28 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 28 } } | |
598 | #define PREGRP29 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 29 } } | |
599 | #define PREGRP30 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 30 } } | |
600 | #define PREGRP31 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 31 } } | |
601 | #define PREGRP32 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 32 } } | |
602 | #define PREGRP33 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 33 } } | |
603 | #define PREGRP34 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 34 } } | |
604 | #define PREGRP35 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 35 } } | |
605 | #define PREGRP36 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 36 } } | |
606 | #define PREGRP37 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 37 } } | |
607 | #define PREGRP38 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 38 } } | |
608 | #define PREGRP39 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 39 } } | |
609 | #define PREGRP40 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 40 } } | |
610 | #define PREGRP41 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 41 } } | |
611 | #define PREGRP42 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 42 } } | |
612 | #define PREGRP43 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 43 } } | |
613 | #define PREGRP44 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 44 } } | |
614 | #define PREGRP45 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 45 } } | |
615 | #define PREGRP46 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 46 } } | |
616 | #define PREGRP47 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 47 } } | |
617 | #define PREGRP48 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 48 } } | |
618 | #define PREGRP49 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 49 } } | |
619 | #define PREGRP50 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 50 } } | |
620 | #define PREGRP51 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 51 } } | |
621 | #define PREGRP52 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 52 } } | |
622 | #define PREGRP53 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 53 } } | |
623 | #define PREGRP54 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 54 } } | |
624 | #define PREGRP55 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 55 } } | |
625 | #define PREGRP56 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 56 } } | |
626 | #define PREGRP57 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 57 } } | |
627 | #define PREGRP58 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 58 } } | |
628 | #define PREGRP59 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 59 } } | |
629 | #define PREGRP60 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 60 } } | |
630 | #define PREGRP61 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 61 } } | |
631 | #define PREGRP62 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 62 } } | |
632 | #define PREGRP63 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 63 } } | |
633 | #define PREGRP64 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 64 } } | |
634 | #define PREGRP65 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 65 } } | |
635 | #define PREGRP66 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 66 } } | |
636 | #define PREGRP67 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 67 } } | |
637 | #define PREGRP68 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 68 } } | |
638 | #define PREGRP69 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 69 } } | |
639 | #define PREGRP70 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 70 } } | |
640 | #define PREGRP71 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 71 } } | |
641 | #define PREGRP72 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 72 } } | |
642 | #define PREGRP73 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 73 } } | |
643 | #define PREGRP74 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 74 } } | |
644 | #define PREGRP75 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 75 } } | |
645 | #define PREGRP76 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 76 } } | |
646 | #define PREGRP77 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 77 } } | |
647 | #define PREGRP78 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 78 } } | |
648 | #define PREGRP79 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 79 } } | |
649 | #define PREGRP80 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 80 } } | |
650 | #define PREGRP81 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 81 } } | |
651 | #define PREGRP82 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 82 } } | |
652 | #define PREGRP83 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 83 } } | |
653 | #define PREGRP84 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 84 } } | |
654 | #define PREGRP85 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 85 } } | |
655 | #define PREGRP86 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 86 } } | |
656 | #define PREGRP87 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 87 } } | |
657 | #define PREGRP88 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 88 } } | |
658 | #define PREGRP89 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 89 } } | |
659 | #define PREGRP90 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 90 } } | |
660 | #define PREGRP91 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 91 } } | |
661 | #define PREGRP92 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 92 } } | |
662 | #define PREGRP93 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 93 } } | |
663 | #define PREGRP94 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 94 } } | |
664 | #define PREGRP95 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 95 } } | |
665 | #define PREGRP96 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 96 } } | |
666 | #define PREGRP97 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 97 } } | |
667 | ||
668 | ||
669 | #define X86_64_0 NULL, { { NULL, X86_64_SPECIAL }, { NULL, 0 } } | |
670 | #define X86_64_1 NULL, { { NULL, X86_64_SPECIAL }, { NULL, 1 } } | |
671 | #define X86_64_2 NULL, { { NULL, X86_64_SPECIAL }, { NULL, 2 } } | |
672 | #define X86_64_3 NULL, { { NULL, X86_64_SPECIAL }, { NULL, 3 } } | |
673 | ||
674 | #define THREE_BYTE_0 NULL, { { NULL, IS_3BYTE_OPCODE }, { NULL, 0 } } | |
675 | #define THREE_BYTE_1 NULL, { { NULL, IS_3BYTE_OPCODE }, { NULL, 1 } } | |
676 | ||
677 | typedef void (*op_rtn) (int bytemode, int sizeflag); | |
678 | ||
679 | struct dis386 { | |
680 | const char *name; | |
681 | struct | |
682 | { | |
683 | op_rtn rtn; | |
684 | int bytemode; | |
685 | } op[MAX_OPERANDS]; | |
686 | }; | |
687 | ||
688 | /* Upper case letters in the instruction names here are macros. | |
689 | 'A' => print 'b' if no register operands or suffix_always is true | |
690 | 'B' => print 'b' if suffix_always is true | |
691 | 'C' => print 's' or 'l' ('w' or 'd' in Intel mode) depending on operand | |
692 | . size prefix | |
693 | 'D' => print 'w' if no register operands or 'w', 'l' or 'q', if | |
694 | . suffix_always is true | |
695 | 'E' => print 'e' if 32-bit form of jcxz | |
696 | 'F' => print 'w' or 'l' depending on address size prefix (loop insns) | |
697 | 'G' => print 'w' or 'l' depending on operand size prefix (i/o insns) | |
698 | 'H' => print ",pt" or ",pn" branch hint | |
699 | 'I' => honor following macro letter even in Intel mode (implemented only | |
700 | . for some of the macro letters) | |
701 | 'J' => print 'l' | |
702 | 'K' => print 'd' or 'q' if rex prefix is present. | |
703 | 'L' => print 'l' if suffix_always is true | |
704 | 'N' => print 'n' if instruction has no wait "prefix" | |
705 | 'O' => print 'd' or 'o' (or 'q' in Intel mode) | |
706 | 'P' => print 'w', 'l' or 'q' if instruction has an operand size prefix, | |
707 | . or suffix_always is true. print 'q' if rex prefix is present. | |
708 | 'Q' => print 'w', 'l' or 'q' if no register operands or suffix_always | |
709 | . is true | |
710 | 'R' => print 'w', 'l' or 'q' ('d' for 'l' and 'e' in Intel mode) | |
711 | 'S' => print 'w', 'l' or 'q' if suffix_always is true | |
712 | 'T' => print 'q' in 64bit mode and behave as 'P' otherwise | |
713 | 'U' => print 'q' in 64bit mode and behave as 'Q' otherwise | |
714 | 'V' => print 'q' in 64bit mode and behave as 'S' otherwise | |
715 | 'W' => print 'b', 'w' or 'l' ('d' in Intel mode) | |
716 | 'X' => print 's', 'd' depending on data16 prefix (for XMM) | |
717 | 'Y' => 'q' if instruction has an REX 64bit overwrite prefix | |
718 | 'Z' => print 'q' in 64bit mode and behave as 'L' otherwise | |
719 | ||
720 | Many of the above letters print nothing in Intel mode. See "putop" | |
721 | for the details. | |
722 | ||
723 | Braces '{' and '}', and vertical bars '|', indicate alternative | |
724 | mnemonic strings for AT&T, Intel, X86_64 AT&T, and X86_64 Intel | |
725 | modes. In cases where there are only two alternatives, the X86_64 | |
726 | instruction is reserved, and "(bad)" is printed. | |
727 | */ | |
728 | ||
729 | static const struct dis386 dis386[] = { | |
730 | /* 00 */ | |
731 | { "addB", { Eb, Gb } }, | |
732 | { "addS", { Ev, Gv } }, | |
733 | { "addB", { Gb, Eb } }, | |
734 | { "addS", { Gv, Ev } }, | |
735 | { "addB", { AL, Ib } }, | |
736 | { "addS", { eAX, Iv } }, | |
737 | { "push{T|}", { es } }, | |
738 | { "pop{T|}", { es } }, | |
739 | /* 08 */ | |
740 | { "orB", { Eb, Gb } }, | |
741 | { "orS", { Ev, Gv } }, | |
742 | { "orB", { Gb, Eb } }, | |
743 | { "orS", { Gv, Ev } }, | |
744 | { "orB", { AL, Ib } }, | |
745 | { "orS", { eAX, Iv } }, | |
746 | { "push{T|}", { cs } }, | |
747 | { "(bad)", { XX } }, /* 0x0f extended opcode escape */ | |
748 | /* 10 */ | |
749 | { "adcB", { Eb, Gb } }, | |
750 | { "adcS", { Ev, Gv } }, | |
751 | { "adcB", { Gb, Eb } }, | |
752 | { "adcS", { Gv, Ev } }, | |
753 | { "adcB", { AL, Ib } }, | |
754 | { "adcS", { eAX, Iv } }, | |
755 | { "push{T|}", { ss } }, | |
756 | { "pop{T|}", { ss } }, | |
757 | /* 18 */ | |
758 | { "sbbB", { Eb, Gb } }, | |
759 | { "sbbS", { Ev, Gv } }, | |
760 | { "sbbB", { Gb, Eb } }, | |
761 | { "sbbS", { Gv, Ev } }, | |
762 | { "sbbB", { AL, Ib } }, | |
763 | { "sbbS", { eAX, Iv } }, | |
764 | { "push{T|}", { ds } }, | |
765 | { "pop{T|}", { ds } }, | |
766 | /* 20 */ | |
767 | { "andB", { Eb, Gb } }, | |
768 | { "andS", { Ev, Gv } }, | |
769 | { "andB", { Gb, Eb } }, | |
770 | { "andS", { Gv, Ev } }, | |
771 | { "andB", { AL, Ib } }, | |
772 | { "andS", { eAX, Iv } }, | |
773 | { "(bad)", { XX } }, /* SEG ES prefix */ | |
774 | { "daa{|}", { XX } }, | |
775 | /* 28 */ | |
776 | { "subB", { Eb, Gb } }, | |
777 | { "subS", { Ev, Gv } }, | |
778 | { "subB", { Gb, Eb } }, | |
779 | { "subS", { Gv, Ev } }, | |
780 | { "subB", { AL, Ib } }, | |
781 | { "subS", { eAX, Iv } }, | |
782 | { "(bad)", { XX } }, /* SEG CS prefix */ | |
783 | { "das{|}", { XX } }, | |
784 | /* 30 */ | |
785 | { "xorB", { Eb, Gb } }, | |
786 | { "xorS", { Ev, Gv } }, | |
787 | { "xorB", { Gb, Eb } }, | |
788 | { "xorS", { Gv, Ev } }, | |
789 | { "xorB", { AL, Ib } }, | |
790 | { "xorS", { eAX, Iv } }, | |
791 | { "(bad)", { XX } }, /* SEG SS prefix */ | |
792 | { "aaa{|}", { XX } }, | |
793 | /* 38 */ | |
794 | { "cmpB", { Eb, Gb } }, | |
795 | { "cmpS", { Ev, Gv } }, | |
796 | { "cmpB", { Gb, Eb } }, | |
797 | { "cmpS", { Gv, Ev } }, | |
798 | { "cmpB", { AL, Ib } }, | |
799 | { "cmpS", { eAX, Iv } }, | |
800 | { "(bad)", { XX } }, /* SEG DS prefix */ | |
801 | { "aas{|}", { XX } }, | |
802 | /* 40 */ | |
803 | { "inc{S|}", { RMeAX } }, | |
804 | { "inc{S|}", { RMeCX } }, | |
805 | { "inc{S|}", { RMeDX } }, | |
806 | { "inc{S|}", { RMeBX } }, | |
807 | { "inc{S|}", { RMeSP } }, | |
808 | { "inc{S|}", { RMeBP } }, | |
809 | { "inc{S|}", { RMeSI } }, | |
810 | { "inc{S|}", { RMeDI } }, | |
811 | /* 48 */ | |
812 | { "dec{S|}", { RMeAX } }, | |
813 | { "dec{S|}", { RMeCX } }, | |
814 | { "dec{S|}", { RMeDX } }, | |
815 | { "dec{S|}", { RMeBX } }, | |
816 | { "dec{S|}", { RMeSP } }, | |
817 | { "dec{S|}", { RMeBP } }, | |
818 | { "dec{S|}", { RMeSI } }, | |
819 | { "dec{S|}", { RMeDI } }, | |
820 | /* 50 */ | |
821 | { "pushV", { RMrAX } }, | |
822 | { "pushV", { RMrCX } }, | |
823 | { "pushV", { RMrDX } }, | |
824 | { "pushV", { RMrBX } }, | |
825 | { "pushV", { RMrSP } }, | |
826 | { "pushV", { RMrBP } }, | |
827 | { "pushV", { RMrSI } }, | |
828 | { "pushV", { RMrDI } }, | |
829 | /* 58 */ | |
830 | { "popV", { RMrAX } }, | |
831 | { "popV", { RMrCX } }, | |
832 | { "popV", { RMrDX } }, | |
833 | { "popV", { RMrBX } }, | |
834 | { "popV", { RMrSP } }, | |
835 | { "popV", { RMrBP } }, | |
836 | { "popV", { RMrSI } }, | |
837 | { "popV", { RMrDI } }, | |
838 | /* 60 */ | |
839 | { X86_64_0 }, | |
840 | { X86_64_1 }, | |
841 | { X86_64_2 }, | |
842 | { X86_64_3 }, | |
843 | { "(bad)", { XX } }, /* seg fs */ | |
844 | { "(bad)", { XX } }, /* seg gs */ | |
845 | { "(bad)", { XX } }, /* op size prefix */ | |
846 | { "(bad)", { XX } }, /* adr size prefix */ | |
847 | /* 68 */ | |
848 | { "pushT", { Iq } }, | |
849 | { "imulS", { Gv, Ev, Iv } }, | |
850 | { "pushT", { sIb } }, | |
851 | { "imulS", { Gv, Ev, sIb } }, | |
852 | { "ins{b||b|}", { Ybr, indirDX } }, | |
853 | { "ins{R||G|}", { Yzr, indirDX } }, | |
854 | { "outs{b||b|}", { indirDXr, Xb } }, | |
855 | { "outs{R||G|}", { indirDXr, Xz } }, | |
856 | /* 70 */ | |
857 | { "joH", { Jb, XX, cond_jump_flag } }, | |
858 | { "jnoH", { Jb, XX, cond_jump_flag } }, | |
859 | { "jbH", { Jb, XX, cond_jump_flag } }, | |
860 | { "jaeH", { Jb, XX, cond_jump_flag } }, | |
861 | { "jeH", { Jb, XX, cond_jump_flag } }, | |
862 | { "jneH", { Jb, XX, cond_jump_flag } }, | |
863 | { "jbeH", { Jb, XX, cond_jump_flag } }, | |
864 | { "jaH", { Jb, XX, cond_jump_flag } }, | |
865 | /* 78 */ | |
866 | { "jsH", { Jb, XX, cond_jump_flag } }, | |
867 | { "jnsH", { Jb, XX, cond_jump_flag } }, | |
868 | { "jpH", { Jb, XX, cond_jump_flag } }, | |
869 | { "jnpH", { Jb, XX, cond_jump_flag } }, | |
870 | { "jlH", { Jb, XX, cond_jump_flag } }, | |
871 | { "jgeH", { Jb, XX, cond_jump_flag } }, | |
872 | { "jleH", { Jb, XX, cond_jump_flag } }, | |
873 | { "jgH", { Jb, XX, cond_jump_flag } }, | |
874 | /* 80 */ | |
875 | { GRP1b }, | |
876 | { GRP1S }, | |
877 | { "(bad)", { XX } }, | |
878 | { GRP1Ss }, | |
879 | { "testB", { Eb, Gb } }, | |
880 | { "testS", { Ev, Gv } }, | |
881 | { "xchgB", { Eb, Gb } }, | |
882 | { "xchgS", { Ev, Gv } }, | |
883 | /* 88 */ | |
884 | { "movB", { Eb, Gb } }, | |
885 | { "movS", { Ev, Gv } }, | |
886 | { "movB", { Gb, Eb } }, | |
887 | { "movS", { Gv, Ev } }, | |
888 | { "movD", { Sv, Sw } }, | |
889 | { "leaS", { Gv, M } }, | |
890 | { "movD", { Sw, Sv } }, | |
891 | { GRP1a }, | |
892 | /* 90 */ | |
893 | { PREGRP38 }, | |
894 | { "xchgS", { RMeCX, eAX } }, | |
895 | { "xchgS", { RMeDX, eAX } }, | |
896 | { "xchgS", { RMeBX, eAX } }, | |
897 | { "xchgS", { RMeSP, eAX } }, | |
898 | { "xchgS", { RMeBP, eAX } }, | |
899 | { "xchgS", { RMeSI, eAX } }, | |
900 | { "xchgS", { RMeDI, eAX } }, | |
901 | /* 98 */ | |
902 | { "cW{t||t|}R", { XX } }, | |
903 | { "cR{t||t|}O", { XX } }, | |
904 | { "Jcall{T|}", { Ap } }, | |
905 | { "(bad)", { XX } }, /* fwait */ | |
906 | { "pushfT", { XX } }, | |
907 | { "popfT", { XX } }, | |
908 | { "sahf{|}", { XX } }, | |
909 | { "lahf{|}", { XX } }, | |
910 | /* a0 */ | |
911 | { "movB", { AL, Ob } }, | |
912 | { "movS", { eAX, Ov } }, | |
913 | { "movB", { Ob, AL } }, | |
914 | { "movS", { Ov, eAX } }, | |
915 | { "movs{b||b|}", { Ybr, Xb } }, | |
916 | { "movs{R||R|}", { Yvr, Xv } }, | |
917 | { "cmps{b||b|}", { Xb, Yb } }, | |
918 | { "cmps{R||R|}", { Xv, Yv } }, | |
919 | /* a8 */ | |
920 | { "testB", { AL, Ib } }, | |
921 | { "testS", { eAX, Iv } }, | |
922 | { "stosB", { Ybr, AL } }, | |
923 | { "stosS", { Yvr, eAX } }, | |
924 | { "lodsB", { ALr, Xb } }, | |
925 | { "lodsS", { eAXr, Xv } }, | |
926 | { "scasB", { AL, Yb } }, | |
927 | { "scasS", { eAX, Yv } }, | |
928 | /* b0 */ | |
929 | { "movB", { RMAL, Ib } }, | |
930 | { "movB", { RMCL, Ib } }, | |
931 | { "movB", { RMDL, Ib } }, | |
932 | { "movB", { RMBL, Ib } }, | |
933 | { "movB", { RMAH, Ib } }, | |
934 | { "movB", { RMCH, Ib } }, | |
935 | { "movB", { RMDH, Ib } }, | |
936 | { "movB", { RMBH, Ib } }, | |
937 | /* b8 */ | |
938 | { "movS", { RMeAX, Iv64 } }, | |
939 | { "movS", { RMeCX, Iv64 } }, | |
940 | { "movS", { RMeDX, Iv64 } }, | |
941 | { "movS", { RMeBX, Iv64 } }, | |
942 | { "movS", { RMeSP, Iv64 } }, | |
943 | { "movS", { RMeBP, Iv64 } }, | |
944 | { "movS", { RMeSI, Iv64 } }, | |
945 | { "movS", { RMeDI, Iv64 } }, | |
946 | /* c0 */ | |
947 | { GRP2b }, | |
948 | { GRP2S }, | |
949 | { "retT", { Iw } }, | |
950 | { "retT", { XX } }, | |
951 | { "les{S|}", { Gv, Mp } }, | |
952 | { "ldsS", { Gv, Mp } }, | |
953 | { GRP11_C6 }, | |
954 | { GRP11_C7 }, | |
955 | /* c8 */ | |
956 | { "enterT", { Iw, Ib } }, | |
957 | { "leaveT", { XX } }, | |
958 | { "lretP", { Iw } }, | |
959 | { "lretP", { XX } }, | |
960 | { "int3", { XX } }, | |
961 | { "int", { Ib } }, | |
962 | { "into{|}", { XX } }, | |
963 | { "iretP", { XX } }, | |
964 | /* d0 */ | |
965 | { GRP2b_one }, | |
966 | { GRP2S_one }, | |
967 | { GRP2b_cl }, | |
968 | { GRP2S_cl }, | |
969 | { "aam{|}", { sIb } }, | |
970 | { "aad{|}", { sIb } }, | |
971 | { "(bad)", { XX } }, | |
972 | { "xlat", { DSBX } }, | |
973 | /* d8 */ | |
974 | { FLOAT }, | |
975 | { FLOAT }, | |
976 | { FLOAT }, | |
977 | { FLOAT }, | |
978 | { FLOAT }, | |
979 | { FLOAT }, | |
980 | { FLOAT }, | |
981 | { FLOAT }, | |
982 | /* e0 */ | |
983 | { "loopneFH", { Jb, XX, loop_jcxz_flag } }, | |
984 | { "loopeFH", { Jb, XX, loop_jcxz_flag } }, | |
985 | { "loopFH", { Jb, XX, loop_jcxz_flag } }, | |
986 | { "jEcxzH", { Jb, XX, loop_jcxz_flag } }, | |
987 | { "inB", { AL, Ib } }, | |
988 | { "inG", { zAX, Ib } }, | |
989 | { "outB", { Ib, AL } }, | |
990 | { "outG", { Ib, zAX } }, | |
991 | /* e8 */ | |
992 | { "callT", { Jv } }, | |
993 | { "jmpT", { Jv } }, | |
994 | { "Jjmp{T|}", { Ap } }, | |
995 | { "jmp", { Jb } }, | |
996 | { "inB", { AL, indirDX } }, | |
997 | { "inG", { zAX, indirDX } }, | |
998 | { "outB", { indirDX, AL } }, | |
999 | { "outG", { indirDX, zAX } }, | |
1000 | /* f0 */ | |
1001 | { "(bad)", { XX } }, /* lock prefix */ | |
1002 | { "icebp", { XX } }, | |
1003 | { "(bad)", { XX } }, /* repne */ | |
1004 | { "(bad)", { XX } }, /* repz */ | |
1005 | { "hlt", { XX } }, | |
1006 | { "cmc", { XX } }, | |
1007 | { GRP3b }, | |
1008 | { GRP3S }, | |
1009 | /* f8 */ | |
1010 | { "clc", { XX } }, | |
1011 | { "stc", { XX } }, | |
1012 | { "cli", { XX } }, | |
1013 | { "sti", { XX } }, | |
1014 | { "cld", { XX } }, | |
1015 | { "std", { XX } }, | |
1016 | { GRP4 }, | |
1017 | { GRP5 }, | |
1018 | }; | |
1019 | ||
1020 | static const struct dis386 dis386_twobyte[] = { | |
1021 | /* 00 */ | |
1022 | { GRP6 }, | |
1023 | { GRP7 }, | |
1024 | { "larS", { Gv, Ew } }, | |
1025 | { "lslS", { Gv, Ew } }, | |
1026 | { "(bad)", { XX } }, | |
1027 | { "syscall", { XX } }, | |
1028 | { "clts", { XX } }, | |
1029 | { "sysretP", { XX } }, | |
1030 | /* 08 */ | |
1031 | { "invd", { XX } }, | |
1032 | { "wbinvd", { XX } }, | |
1033 | { "(bad)", { XX } }, | |
1034 | { "ud2a", { XX } }, | |
1035 | { "(bad)", { XX } }, | |
1036 | { GRPAMD }, | |
1037 | { "femms", { XX } }, | |
1038 | { "", { MX, EM, OPSUF } }, /* See OP_3DNowSuffix. */ | |
1039 | /* 10 */ | |
1040 | { PREGRP8 }, | |
1041 | { PREGRP9 }, | |
1042 | { PREGRP30 }, | |
1043 | { "movlpX", { EXq, XM, { SIMD_Fixup, 'h' } } }, | |
1044 | { "unpcklpX", { XM, EXq } }, | |
1045 | { "unpckhpX", { XM, EXq } }, | |
1046 | { PREGRP31 }, | |
1047 | { "movhpX", { EXq, XM, { SIMD_Fixup, 'l' } } }, | |
1048 | /* 18 */ | |
1049 | { GRP16 }, | |
1050 | { "(bad)", { XX } }, | |
1051 | { "(bad)", { XX } }, | |
1052 | { "(bad)", { XX } }, | |
1053 | { "(bad)", { XX } }, | |
1054 | { "(bad)", { XX } }, | |
1055 | { "(bad)", { XX } }, | |
1056 | { "nopQ", { Ev } }, | |
1057 | /* 20 */ | |
1058 | { "movZ", { Rm, Cm } }, | |
1059 | { "movZ", { Rm, Dm } }, | |
1060 | { "movZ", { Cm, Rm } }, | |
1061 | { "movZ", { Dm, Rm } }, | |
1062 | { "movL", { Rd, Td } }, | |
1063 | { "(bad)", { XX } }, | |
1064 | { "movL", { Td, Rd } }, | |
1065 | { "(bad)", { XX } }, | |
1066 | /* 28 */ | |
1067 | { "movapX", { XM, EXx } }, | |
1068 | { "movapX", { EXx, XM } }, | |
1069 | { PREGRP2 }, | |
1070 | { PREGRP33 }, | |
1071 | { PREGRP4 }, | |
1072 | { PREGRP3 }, | |
1073 | { PREGRP93 }, | |
1074 | { PREGRP94 }, | |
1075 | /* 30 */ | |
1076 | { "wrmsr", { XX } }, | |
1077 | { "rdtsc", { XX } }, | |
1078 | { "rdmsr", { XX } }, | |
1079 | { "rdpmc", { XX } }, | |
1080 | { "sysenter", { XX } }, | |
1081 | { "sysexit", { XX } }, | |
1082 | { "(bad)", { XX } }, | |
1083 | { "(bad)", { XX } }, | |
1084 | /* 38 */ | |
1085 | { THREE_BYTE_0 }, | |
1086 | { "(bad)", { XX } }, | |
1087 | { THREE_BYTE_1 }, | |
1088 | { "(bad)", { XX } }, | |
1089 | { "(bad)", { XX } }, | |
1090 | { "(bad)", { XX } }, | |
1091 | { "(bad)", { XX } }, | |
1092 | { "(bad)", { XX } }, | |
1093 | /* 40 */ | |
1094 | { "cmovo", { Gv, Ev } }, | |
1095 | { "cmovno", { Gv, Ev } }, | |
1096 | { "cmovb", { Gv, Ev } }, | |
1097 | { "cmovae", { Gv, Ev } }, | |
1098 | { "cmove", { Gv, Ev } }, | |
1099 | { "cmovne", { Gv, Ev } }, | |
1100 | { "cmovbe", { Gv, Ev } }, | |
1101 | { "cmova", { Gv, Ev } }, | |
1102 | /* 48 */ | |
1103 | { "cmovs", { Gv, Ev } }, | |
1104 | { "cmovns", { Gv, Ev } }, | |
1105 | { "cmovp", { Gv, Ev } }, | |
1106 | { "cmovnp", { Gv, Ev } }, | |
1107 | { "cmovl", { Gv, Ev } }, | |
1108 | { "cmovge", { Gv, Ev } }, | |
1109 | { "cmovle", { Gv, Ev } }, | |
1110 | { "cmovg", { Gv, Ev } }, | |
1111 | /* 50 */ | |
1112 | { "movmskpX", { Gdq, XS } }, | |
1113 | { PREGRP13 }, | |
1114 | { PREGRP12 }, | |
1115 | { PREGRP11 }, | |
1116 | { "andpX", { XM, EXx } }, | |
1117 | { "andnpX", { XM, EXx } }, | |
1118 | { "orpX", { XM, EXx } }, | |
1119 | { "xorpX", { XM, EXx } }, | |
1120 | /* 58 */ | |
1121 | { PREGRP0 }, | |
1122 | { PREGRP10 }, | |
1123 | { PREGRP17 }, | |
1124 | { PREGRP16 }, | |
1125 | { PREGRP14 }, | |
1126 | { PREGRP7 }, | |
1127 | { PREGRP5 }, | |
1128 | { PREGRP6 }, | |
1129 | /* 60 */ | |
1130 | { PREGRP95 }, | |
1131 | { PREGRP96 }, | |
1132 | { PREGRP97 }, | |
1133 | { "packsswb", { MX, EM } }, | |
1134 | { "pcmpgtb", { MX, EM } }, | |
1135 | { "pcmpgtw", { MX, EM } }, | |
1136 | { "pcmpgtd", { MX, EM } }, | |
1137 | { "packuswb", { MX, EM } }, | |
1138 | /* 68 */ | |
1139 | { "punpckhbw", { MX, EM } }, | |
1140 | { "punpckhwd", { MX, EM } }, | |
1141 | { "punpckhdq", { MX, EM } }, | |
1142 | { "packssdw", { MX, EM } }, | |
1143 | { PREGRP26 }, | |
1144 | { PREGRP24 }, | |
1145 | { "movd", { MX, Edq } }, | |
1146 | { PREGRP19 }, | |
1147 | /* 70 */ | |
1148 | { PREGRP22 }, | |
1149 | { GRP12 }, | |
1150 | { GRP13 }, | |
1151 | { GRP14 }, | |
1152 | { "pcmpeqb", { MX, EM } }, | |
1153 | { "pcmpeqw", { MX, EM } }, | |
1154 | { "pcmpeqd", { MX, EM } }, | |
1155 | { "emms", { XX } }, | |
1156 | /* 78 */ | |
1157 | { PREGRP34 }, | |
1158 | { PREGRP35 }, | |
1159 | { "(bad)", { XX } }, | |
1160 | { "(bad)", { XX } }, | |
1161 | { PREGRP28 }, | |
1162 | { PREGRP29 }, | |
1163 | { PREGRP23 }, | |
1164 | { PREGRP20 }, | |
1165 | /* 80 */ | |
1166 | { "joH", { Jv, XX, cond_jump_flag } }, | |
1167 | { "jnoH", { Jv, XX, cond_jump_flag } }, | |
1168 | { "jbH", { Jv, XX, cond_jump_flag } }, | |
1169 | { "jaeH", { Jv, XX, cond_jump_flag } }, | |
1170 | { "jeH", { Jv, XX, cond_jump_flag } }, | |
1171 | { "jneH", { Jv, XX, cond_jump_flag } }, | |
1172 | { "jbeH", { Jv, XX, cond_jump_flag } }, | |
1173 | { "jaH", { Jv, XX, cond_jump_flag } }, | |
1174 | /* 88 */ | |
1175 | { "jsH", { Jv, XX, cond_jump_flag } }, | |
1176 | { "jnsH", { Jv, XX, cond_jump_flag } }, | |
1177 | { "jpH", { Jv, XX, cond_jump_flag } }, | |
1178 | { "jnpH", { Jv, XX, cond_jump_flag } }, | |
1179 | { "jlH", { Jv, XX, cond_jump_flag } }, | |
1180 | { "jgeH", { Jv, XX, cond_jump_flag } }, | |
1181 | { "jleH", { Jv, XX, cond_jump_flag } }, | |
1182 | { "jgH", { Jv, XX, cond_jump_flag } }, | |
1183 | /* 90 */ | |
1184 | { "seto", { Eb } }, | |
1185 | { "setno", { Eb } }, | |
1186 | { "setb", { Eb } }, | |
1187 | { "setae", { Eb } }, | |
1188 | { "sete", { Eb } }, | |
1189 | { "setne", { Eb } }, | |
1190 | { "setbe", { Eb } }, | |
1191 | { "seta", { Eb } }, | |
1192 | /* 98 */ | |
1193 | { "sets", { Eb } }, | |
1194 | { "setns", { Eb } }, | |
1195 | { "setp", { Eb } }, | |
1196 | { "setnp", { Eb } }, | |
1197 | { "setl", { Eb } }, | |
1198 | { "setge", { Eb } }, | |
1199 | { "setle", { Eb } }, | |
1200 | { "setg", { Eb } }, | |
1201 | /* a0 */ | |
1202 | { "pushT", { fs } }, | |
1203 | { "popT", { fs } }, | |
1204 | { "cpuid", { XX } }, | |
1205 | { "btS", { Ev, Gv } }, | |
1206 | { "shldS", { Ev, Gv, Ib } }, | |
1207 | { "shldS", { Ev, Gv, CL } }, | |
1208 | { GRPPADLCK2 }, | |
1209 | { GRPPADLCK1 }, | |
1210 | /* a8 */ | |
1211 | { "pushT", { gs } }, | |
1212 | { "popT", { gs } }, | |
1213 | { "rsm", { XX } }, | |
1214 | { "btsS", { Ev, Gv } }, | |
1215 | { "shrdS", { Ev, Gv, Ib } }, | |
1216 | { "shrdS", { Ev, Gv, CL } }, | |
1217 | { GRP15 }, | |
1218 | { "imulS", { Gv, Ev } }, | |
1219 | /* b0 */ | |
1220 | { "cmpxchgB", { Eb, Gb } }, | |
1221 | { "cmpxchgS", { Ev, Gv } }, | |
1222 | { "lssS", { Gv, Mp } }, | |
1223 | { "btrS", { Ev, Gv } }, | |
1224 | { "lfsS", { Gv, Mp } }, | |
1225 | { "lgsS", { Gv, Mp } }, | |
1226 | { "movz{bR|x|bR|x}", { Gv, Eb } }, | |
1227 | { "movz{wR|x|wR|x}", { Gv, Ew } }, /* yes, there really is movzww ! */ | |
1228 | /* b8 */ | |
1229 | { PREGRP37 }, | |
1230 | { "ud2b", { XX } }, | |
1231 | { GRP8 }, | |
1232 | { "btcS", { Ev, Gv } }, | |
1233 | { "bsfS", { Gv, Ev } }, | |
1234 | { PREGRP36 }, | |
1235 | { "movs{bR|x|bR|x}", { Gv, Eb } }, | |
1236 | { "movs{wR|x|wR|x}", { Gv, Ew } }, /* yes, there really is movsww ! */ | |
1237 | /* c0 */ | |
1238 | { "xaddB", { Eb, Gb } }, | |
1239 | { "xaddS", { Ev, Gv } }, | |
1240 | { PREGRP1 }, | |
1241 | { "movntiS", { Ev, Gv } }, | |
1242 | { "pinsrw", { MX, Edqw, Ib } }, | |
1243 | { "pextrw", { Gdq, MS, Ib } }, | |
1244 | { "shufpX", { XM, EXx, Ib } }, | |
1245 | { GRP9 }, | |
1246 | /* c8 */ | |
1247 | { "bswap", { RMeAX } }, | |
1248 | { "bswap", { RMeCX } }, | |
1249 | { "bswap", { RMeDX } }, | |
1250 | { "bswap", { RMeBX } }, | |
1251 | { "bswap", { RMeSP } }, | |
1252 | { "bswap", { RMeBP } }, | |
1253 | { "bswap", { RMeSI } }, | |
1254 | { "bswap", { RMeDI } }, | |
1255 | /* d0 */ | |
1256 | { PREGRP27 }, | |
1257 | { "psrlw", { MX, EM } }, | |
1258 | { "psrld", { MX, EM } }, | |
1259 | { "psrlq", { MX, EM } }, | |
1260 | { "paddq", { MX, EM } }, | |
1261 | { "pmullw", { MX, EM } }, | |
1262 | { PREGRP21 }, | |
1263 | { "pmovmskb", { Gdq, MS } }, | |
1264 | /* d8 */ | |
1265 | { "psubusb", { MX, EM } }, | |
1266 | { "psubusw", { MX, EM } }, | |
1267 | { "pminub", { MX, EM } }, | |
1268 | { "pand", { MX, EM } }, | |
1269 | { "paddusb", { MX, EM } }, | |
1270 | { "paddusw", { MX, EM } }, | |
1271 | { "pmaxub", { MX, EM } }, | |
1272 | { "pandn", { MX, EM } }, | |
1273 | /* e0 */ | |
1274 | { "pavgb", { MX, EM } }, | |
1275 | { "psraw", { MX, EM } }, | |
1276 | { "psrad", { MX, EM } }, | |
1277 | { "pavgw", { MX, EM } }, | |
1278 | { "pmulhuw", { MX, EM } }, | |
1279 | { "pmulhw", { MX, EM } }, | |
1280 | { PREGRP15 }, | |
1281 | { PREGRP25 }, | |
1282 | /* e8 */ | |
1283 | { "psubsb", { MX, EM } }, | |
1284 | { "psubsw", { MX, EM } }, | |
1285 | { "pminsw", { MX, EM } }, | |
1286 | { "por", { MX, EM } }, | |
1287 | { "paddsb", { MX, EM } }, | |
1288 | { "paddsw", { MX, EM } }, | |
1289 | { "pmaxsw", { MX, EM } }, | |
1290 | { "pxor", { MX, EM } }, | |
1291 | /* f0 */ | |
1292 | { PREGRP32 }, | |
1293 | { "psllw", { MX, EM } }, | |
1294 | { "pslld", { MX, EM } }, | |
1295 | { "psllq", { MX, EM } }, | |
1296 | { "pmuludq", { MX, EM } }, | |
1297 | { "pmaddwd", { MX, EM } }, | |
1298 | { "psadbw", { MX, EM } }, | |
1299 | { PREGRP18 }, | |
1300 | /* f8 */ | |
1301 | { "psubb", { MX, EM } }, | |
1302 | { "psubw", { MX, EM } }, | |
1303 | { "psubd", { MX, EM } }, | |
1304 | { "psubq", { MX, EM } }, | |
1305 | { "paddb", { MX, EM } }, | |
1306 | { "paddw", { MX, EM } }, | |
1307 | { "paddd", { MX, EM } }, | |
1308 | { "(bad)", { XX } }, | |
1309 | }; | |
1310 | ||
1311 | static const unsigned char onebyte_has_modrm[256] = { | |
1312 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ | |
1313 | /* ------------------------------- */ | |
1314 | /* 00 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 00 */ | |
1315 | /* 10 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 10 */ | |
1316 | /* 20 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 20 */ | |
1317 | /* 30 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 30 */ | |
1318 | /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 40 */ | |
1319 | /* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 50 */ | |
1320 | /* 60 */ 0,0,1,1,0,0,0,0,0,1,0,1,0,0,0,0, /* 60 */ | |
1321 | /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 70 */ | |
1322 | /* 80 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 80 */ | |
1323 | /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 90 */ | |
1324 | /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* a0 */ | |
1325 | /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* b0 */ | |
1326 | /* c0 */ 1,1,0,0,1,1,1,1,0,0,0,0,0,0,0,0, /* c0 */ | |
1327 | /* d0 */ 1,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1, /* d0 */ | |
1328 | /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* e0 */ | |
1329 | /* f0 */ 0,0,0,0,0,0,1,1,0,0,0,0,0,0,1,1 /* f0 */ | |
1330 | /* ------------------------------- */ | |
1331 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ | |
1332 | }; | |
1333 | ||
1334 | static const unsigned char twobyte_has_modrm[256] = { | |
1335 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ | |
1336 | /* ------------------------------- */ | |
1337 | /* 00 */ 1,1,1,1,0,0,0,0,0,0,0,0,0,1,0,1, /* 0f */ | |
1338 | /* 10 */ 1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,1, /* 1f */ | |
1339 | /* 20 */ 1,1,1,1,1,0,1,0,1,1,1,1,1,1,1,1, /* 2f */ | |
1340 | /* 30 */ 0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0, /* 3f */ | |
1341 | /* 40 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 4f */ | |
1342 | /* 50 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 5f */ | |
1343 | /* 60 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 6f */ | |
1344 | /* 70 */ 1,1,1,1,1,1,1,0,1,1,0,0,1,1,1,1, /* 7f */ | |
1345 | /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */ | |
1346 | /* 90 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 9f */ | |
1347 | /* a0 */ 0,0,0,1,1,1,1,1,0,0,0,1,1,1,1,1, /* af */ | |
1348 | /* b0 */ 1,1,1,1,1,1,1,1,1,0,1,1,1,1,1,1, /* bf */ | |
1349 | /* c0 */ 1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0, /* cf */ | |
1350 | /* d0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* df */ | |
1351 | /* e0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* ef */ | |
1352 | /* f0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0 /* ff */ | |
1353 | /* ------------------------------- */ | |
1354 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ | |
1355 | }; | |
1356 | ||
1357 | static const unsigned char twobyte_uses_DATA_prefix[256] = { | |
1358 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ | |
1359 | /* ------------------------------- */ | |
1360 | /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */ | |
1361 | /* 10 */ 1,1,1,0,0,0,1,0,0,0,0,0,0,0,0,0, /* 1f */ | |
1362 | /* 20 */ 0,0,0,0,0,0,0,0,0,0,1,1,1,1,0,0, /* 2f */ | |
1363 | /* 30 */ 0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0, /* 3f */ | |
1364 | /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */ | |
1365 | /* 50 */ 0,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1, /* 5f */ | |
1366 | /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1, /* 6f */ | |
1367 | /* 70 */ 1,0,0,0,0,0,0,0,1,1,0,0,1,1,1,1, /* 7f */ | |
1368 | /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */ | |
1369 | /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */ | |
1370 | /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */ | |
1371 | /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */ | |
1372 | /* c0 */ 0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */ | |
1373 | /* d0 */ 1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* df */ | |
1374 | /* e0 */ 0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* ef */ | |
1375 | /* f0 */ 1,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0 /* ff */ | |
1376 | /* ------------------------------- */ | |
1377 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ | |
1378 | }; | |
1379 | ||
1380 | static const unsigned char twobyte_uses_REPNZ_prefix[256] = { | |
1381 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ | |
1382 | /* ------------------------------- */ | |
1383 | /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */ | |
1384 | /* 10 */ 1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 1f */ | |
1385 | /* 20 */ 0,0,0,0,0,0,0,0,0,0,1,1,1,1,0,0, /* 2f */ | |
1386 | /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */ | |
1387 | /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */ | |
1388 | /* 50 */ 0,1,0,0,0,0,0,0,1,1,1,0,1,1,1,1, /* 5f */ | |
1389 | /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 6f */ | |
1390 | /* 70 */ 1,0,0,0,0,0,0,0,1,1,0,0,1,1,0,0, /* 7f */ | |
1391 | /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */ | |
1392 | /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */ | |
1393 | /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */ | |
1394 | /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */ | |
1395 | /* c0 */ 0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */ | |
1396 | /* d0 */ 1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* df */ | |
1397 | /* e0 */ 0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* ef */ | |
1398 | /* f0 */ 1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ff */ | |
1399 | /* ------------------------------- */ | |
1400 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ | |
1401 | }; | |
1402 | ||
1403 | static const unsigned char twobyte_uses_REPZ_prefix[256] = { | |
1404 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ | |
1405 | /* ------------------------------- */ | |
1406 | /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */ | |
1407 | /* 10 */ 1,1,1,0,0,0,1,0,0,0,0,0,0,0,0,0, /* 1f */ | |
1408 | /* 20 */ 0,0,0,0,0,0,0,0,0,0,1,1,1,1,0,0, /* 2f */ | |
1409 | /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */ | |
1410 | /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */ | |
1411 | /* 50 */ 0,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1, /* 5f */ | |
1412 | /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1, /* 6f */ | |
1413 | /* 70 */ 1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1, /* 7f */ | |
1414 | /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */ | |
1415 | /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */ | |
1416 | /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */ | |
1417 | /* b0 */ 0,0,0,0,0,0,0,0,1,0,0,0,0,1,0,0, /* bf */ | |
1418 | /* c0 */ 0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */ | |
1419 | /* d0 */ 0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* df */ | |
1420 | /* e0 */ 0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* ef */ | |
1421 | /* f0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ff */ | |
1422 | /* ------------------------------- */ | |
1423 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ | |
1424 | }; | |
1425 | ||
1426 | /* This is used to determine if opcode 0f 38 XX uses DATA prefix. */ | |
1427 | static const unsigned char threebyte_0x38_uses_DATA_prefix[256] = { | |
1428 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ | |
1429 | /* ------------------------------- */ | |
1430 | /* 00 */ 1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0, /* 0f */ | |
1431 | /* 10 */ 1,0,0,0,1,1,0,1,0,0,0,0,1,1,1,0, /* 1f */ | |
1432 | /* 20 */ 1,1,1,1,1,1,0,0,1,1,1,1,0,0,0,0, /* 2f */ | |
1433 | /* 30 */ 1,1,1,1,1,1,0,1,1,1,1,1,1,1,1,1, /* 3f */ | |
1434 | /* 40 */ 1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */ | |
1435 | /* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 5f */ | |
1436 | /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 6f */ | |
1437 | /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 7f */ | |
1438 | /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */ | |
1439 | /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */ | |
1440 | /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */ | |
1441 | /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */ | |
1442 | /* c0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */ | |
1443 | /* d0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* df */ | |
1444 | /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ef */ | |
1445 | /* f0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ff */ | |
1446 | /* ------------------------------- */ | |
1447 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ | |
1448 | }; | |
1449 | ||
1450 | /* This is used to determine if opcode 0f 38 XX uses REPNZ prefix. */ | |
1451 | static const unsigned char threebyte_0x38_uses_REPNZ_prefix[256] = { | |
1452 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ | |
1453 | /* ------------------------------- */ | |
1454 | /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */ | |
1455 | /* 10 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 1f */ | |
1456 | /* 20 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 2f */ | |
1457 | /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */ | |
1458 | /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */ | |
1459 | /* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 5f */ | |
1460 | /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 6f */ | |
1461 | /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 7f */ | |
1462 | /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */ | |
1463 | /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */ | |
1464 | /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */ | |
1465 | /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */ | |
1466 | /* c0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */ | |
1467 | /* d0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* df */ | |
1468 | /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ef */ | |
1469 | /* f0 */ 1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ff */ | |
1470 | /* ------------------------------- */ | |
1471 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ | |
1472 | }; | |
1473 | ||
1474 | /* This is used to determine if opcode 0f 38 XX uses REPZ prefix. */ | |
1475 | static const unsigned char threebyte_0x38_uses_REPZ_prefix[256] = { | |
1476 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ | |
1477 | /* ------------------------------- */ | |
1478 | /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */ | |
1479 | /* 10 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 1f */ | |
1480 | /* 20 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 2f */ | |
1481 | /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */ | |
1482 | /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */ | |
1483 | /* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 5f */ | |
1484 | /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 6f */ | |
1485 | /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 7f */ | |
1486 | /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */ | |
1487 | /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */ | |
1488 | /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */ | |
1489 | /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */ | |
1490 | /* c0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */ | |
1491 | /* d0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* df */ | |
1492 | /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ef */ | |
1493 | /* f0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ff */ | |
1494 | /* ------------------------------- */ | |
1495 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ | |
1496 | }; | |
1497 | ||
1498 | /* This is used to determine if opcode 0f 3a XX uses DATA prefix. */ | |
1499 | static const unsigned char threebyte_0x3a_uses_DATA_prefix[256] = { | |
1500 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ | |
1501 | /* ------------------------------- */ | |
1502 | /* 00 */ 0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1, /* 0f */ | |
1503 | /* 10 */ 0,0,0,0,1,1,1,1,0,0,0,0,0,0,0,0, /* 1f */ | |
1504 | /* 20 */ 1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 2f */ | |
1505 | /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */ | |
1506 | /* 40 */ 1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */ | |
1507 | /* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 5f */ | |
1508 | /* 60 */ 1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0, /* 6f */ | |
1509 | /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 7f */ | |
1510 | /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */ | |
1511 | /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */ | |
1512 | /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */ | |
1513 | /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */ | |
1514 | /* c0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */ | |
1515 | /* d0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* df */ | |
1516 | /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ef */ | |
1517 | /* f0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ff */ | |
1518 | /* ------------------------------- */ | |
1519 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ | |
1520 | }; | |
1521 | ||
1522 | /* This is used to determine if opcode 0f 3a XX uses REPNZ prefix. */ | |
1523 | static const unsigned char threebyte_0x3a_uses_REPNZ_prefix[256] = { | |
1524 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ | |
1525 | /* ------------------------------- */ | |
1526 | /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */ | |
1527 | /* 10 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 1f */ | |
1528 | /* 20 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 2f */ | |
1529 | /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */ | |
1530 | /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */ | |
1531 | /* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 5f */ | |
1532 | /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 6f */ | |
1533 | /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 7f */ | |
1534 | /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */ | |
1535 | /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */ | |
1536 | /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */ | |
1537 | /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */ | |
1538 | /* c0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */ | |
1539 | /* d0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* df */ | |
1540 | /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ef */ | |
1541 | /* f0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ff */ | |
1542 | /* ------------------------------- */ | |
1543 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ | |
1544 | }; | |
1545 | ||
1546 | /* This is used to determine if opcode 0f 3a XX uses REPZ prefix. */ | |
1547 | static const unsigned char threebyte_0x3a_uses_REPZ_prefix[256] = { | |
1548 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ | |
1549 | /* ------------------------------- */ | |
1550 | /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */ | |
1551 | /* 10 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 1f */ | |
1552 | /* 20 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 2f */ | |
1553 | /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */ | |
1554 | /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */ | |
1555 | /* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 5f */ | |
1556 | /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 6f */ | |
1557 | /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 7f */ | |
1558 | /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */ | |
1559 | /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */ | |
1560 | /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */ | |
1561 | /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */ | |
1562 | /* c0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */ | |
1563 | /* d0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* df */ | |
1564 | /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ef */ | |
1565 | /* f0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ff */ | |
1566 | /* ------------------------------- */ | |
1567 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ | |
1568 | }; | |
1569 | ||
1570 | static char obuf[100]; | |
1571 | static char *obufp; | |
1572 | static char scratchbuf[100]; | |
1573 | static unsigned char *start_codep; | |
1574 | static unsigned char *insn_codep; | |
1575 | static unsigned char *codep; | |
1576 | static disassemble_info *the_info; | |
1577 | static struct | |
1578 | { | |
1579 | int mod; | |
1580 | int reg; | |
1581 | int rm; | |
1582 | } | |
1583 | modrm; | |
1584 | static unsigned char need_modrm; | |
1585 | ||
1586 | /* If we are accessing mod/rm/reg without need_modrm set, then the | |
1587 | values are stale. Hitting this abort likely indicates that you | |
1588 | need to update onebyte_has_modrm or twobyte_has_modrm. */ | |
1589 | #define MODRM_CHECK if (!need_modrm) abort () | |
1590 | ||
1591 | static const char * const *names64; | |
1592 | static const char * const *names32; | |
1593 | static const char * const *names16; | |
1594 | static const char * const *names8; | |
1595 | static const char * const *names8rex; | |
1596 | static const char * const *names_seg; | |
1597 | static const char * const *index16; | |
1598 | ||
1599 | static const char * const intel_names64[] = { | |
1600 | "rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi", | |
1601 | "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15" | |
1602 | }; | |
1603 | static const char * const intel_names32[] = { | |
1604 | "eax", "ecx", "edx", "ebx", "esp", "ebp", "esi", "edi", | |
1605 | "r8d", "r9d", "r10d", "r11d", "r12d", "r13d", "r14d", "r15d" | |
1606 | }; | |
1607 | static const char * const intel_names16[] = { | |
1608 | "ax", "cx", "dx", "bx", "sp", "bp", "si", "di", | |
1609 | "r8w", "r9w", "r10w", "r11w", "r12w", "r13w", "r14w", "r15w" | |
1610 | }; | |
1611 | static const char * const intel_names8[] = { | |
1612 | "al", "cl", "dl", "bl", "ah", "ch", "dh", "bh", | |
1613 | }; | |
1614 | static const char * const intel_names8rex[] = { | |
1615 | "al", "cl", "dl", "bl", "spl", "bpl", "sil", "dil", | |
1616 | "r8b", "r9b", "r10b", "r11b", "r12b", "r13b", "r14b", "r15b" | |
1617 | }; | |
1618 | static const char * const intel_names_seg[] = { | |
1619 | "es", "cs", "ss", "ds", "fs", "gs", "?", "?", | |
1620 | }; | |
1621 | static const char * const intel_index16[] = { | |
1622 | "bx+si", "bx+di", "bp+si", "bp+di", "si", "di", "bp", "bx" | |
1623 | }; | |
1624 | ||
1625 | static const char * const att_names64[] = { | |
1626 | "%rax", "%rcx", "%rdx", "%rbx", "%rsp", "%rbp", "%rsi", "%rdi", | |
1627 | "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15" | |
1628 | }; | |
1629 | static const char * const att_names32[] = { | |
1630 | "%eax", "%ecx", "%edx", "%ebx", "%esp", "%ebp", "%esi", "%edi", | |
1631 | "%r8d", "%r9d", "%r10d", "%r11d", "%r12d", "%r13d", "%r14d", "%r15d" | |
1632 | }; | |
1633 | static const char * const att_names16[] = { | |
1634 | "%ax", "%cx", "%dx", "%bx", "%sp", "%bp", "%si", "%di", | |
1635 | "%r8w", "%r9w", "%r10w", "%r11w", "%r12w", "%r13w", "%r14w", "%r15w" | |
1636 | }; | |
1637 | static const char * const att_names8[] = { | |
1638 | "%al", "%cl", "%dl", "%bl", "%ah", "%ch", "%dh", "%bh", | |
1639 | }; | |
1640 | static const char * const att_names8rex[] = { | |
1641 | "%al", "%cl", "%dl", "%bl", "%spl", "%bpl", "%sil", "%dil", | |
1642 | "%r8b", "%r9b", "%r10b", "%r11b", "%r12b", "%r13b", "%r14b", "%r15b" | |
1643 | }; | |
1644 | static const char * const att_names_seg[] = { | |
1645 | "%es", "%cs", "%ss", "%ds", "%fs", "%gs", "%?", "%?", | |
1646 | }; | |
1647 | static const char * const att_index16[] = { | |
1648 | "%bx,%si", "%bx,%di", "%bp,%si", "%bp,%di", "%si", "%di", "%bp", "%bx" | |
1649 | }; | |
1650 | ||
1651 | static const struct dis386 grps[][8] = { | |
1652 | /* GRP1a */ | |
1653 | { | |
1654 | { "popU", { stackEv } }, | |
1655 | { "(bad)", { XX } }, | |
1656 | { "(bad)", { XX } }, | |
1657 | { "(bad)", { XX } }, | |
1658 | { "(bad)", { XX } }, | |
1659 | { "(bad)", { XX } }, | |
1660 | { "(bad)", { XX } }, | |
1661 | { "(bad)", { XX } }, | |
1662 | }, | |
1663 | /* GRP1b */ | |
1664 | { | |
1665 | { "addA", { Eb, Ib } }, | |
1666 | { "orA", { Eb, Ib } }, | |
1667 | { "adcA", { Eb, Ib } }, | |
1668 | { "sbbA", { Eb, Ib } }, | |
1669 | { "andA", { Eb, Ib } }, | |
1670 | { "subA", { Eb, Ib } }, | |
1671 | { "xorA", { Eb, Ib } }, | |
1672 | { "cmpA", { Eb, Ib } }, | |
1673 | }, | |
1674 | /* GRP1S */ | |
1675 | { | |
1676 | { "addQ", { Ev, Iv } }, | |
1677 | { "orQ", { Ev, Iv } }, | |
1678 | { "adcQ", { Ev, Iv } }, | |
1679 | { "sbbQ", { Ev, Iv } }, | |
1680 | { "andQ", { Ev, Iv } }, | |
1681 | { "subQ", { Ev, Iv } }, | |
1682 | { "xorQ", { Ev, Iv } }, | |
1683 | { "cmpQ", { Ev, Iv } }, | |
1684 | }, | |
1685 | /* GRP1Ss */ | |
1686 | { | |
1687 | { "addQ", { Ev, sIb } }, | |
1688 | { "orQ", { Ev, sIb } }, | |
1689 | { "adcQ", { Ev, sIb } }, | |
1690 | { "sbbQ", { Ev, sIb } }, | |
1691 | { "andQ", { Ev, sIb } }, | |
1692 | { "subQ", { Ev, sIb } }, | |
1693 | { "xorQ", { Ev, sIb } }, | |
1694 | { "cmpQ", { Ev, sIb } }, | |
1695 | }, | |
1696 | /* GRP2b */ | |
1697 | { | |
1698 | { "rolA", { Eb, Ib } }, | |
1699 | { "rorA", { Eb, Ib } }, | |
1700 | { "rclA", { Eb, Ib } }, | |
1701 | { "rcrA", { Eb, Ib } }, | |
1702 | { "shlA", { Eb, Ib } }, | |
1703 | { "shrA", { Eb, Ib } }, | |
1704 | { "(bad)", { XX } }, | |
1705 | { "sarA", { Eb, Ib } }, | |
1706 | }, | |
1707 | /* GRP2S */ | |
1708 | { | |
1709 | { "rolQ", { Ev, Ib } }, | |
1710 | { "rorQ", { Ev, Ib } }, | |
1711 | { "rclQ", { Ev, Ib } }, | |
1712 | { "rcrQ", { Ev, Ib } }, | |
1713 | { "shlQ", { Ev, Ib } }, | |
1714 | { "shrQ", { Ev, Ib } }, | |
1715 | { "(bad)", { XX } }, | |
1716 | { "sarQ", { Ev, Ib } }, | |
1717 | }, | |
1718 | /* GRP2b_one */ | |
1719 | { | |
1720 | { "rolA", { Eb, I1 } }, | |
1721 | { "rorA", { Eb, I1 } }, | |
1722 | { "rclA", { Eb, I1 } }, | |
1723 | { "rcrA", { Eb, I1 } }, | |
1724 | { "shlA", { Eb, I1 } }, | |
1725 | { "shrA", { Eb, I1 } }, | |
1726 | { "(bad)", { XX } }, | |
1727 | { "sarA", { Eb, I1 } }, | |
1728 | }, | |
1729 | /* GRP2S_one */ | |
1730 | { | |
1731 | { "rolQ", { Ev, I1 } }, | |
1732 | { "rorQ", { Ev, I1 } }, | |
1733 | { "rclQ", { Ev, I1 } }, | |
1734 | { "rcrQ", { Ev, I1 } }, | |
1735 | { "shlQ", { Ev, I1 } }, | |
1736 | { "shrQ", { Ev, I1 } }, | |
1737 | { "(bad)", { XX } }, | |
1738 | { "sarQ", { Ev, I1 } }, | |
1739 | }, | |
1740 | /* GRP2b_cl */ | |
1741 | { | |
1742 | { "rolA", { Eb, CL } }, | |
1743 | { "rorA", { Eb, CL } }, | |
1744 | { "rclA", { Eb, CL } }, | |
1745 | { "rcrA", { Eb, CL } }, | |
1746 | { "shlA", { Eb, CL } }, | |
1747 | { "shrA", { Eb, CL } }, | |
1748 | { "(bad)", { XX } }, | |
1749 | { "sarA", { Eb, CL } }, | |
1750 | }, | |
1751 | /* GRP2S_cl */ | |
1752 | { | |
1753 | { "rolQ", { Ev, CL } }, | |
1754 | { "rorQ", { Ev, CL } }, | |
1755 | { "rclQ", { Ev, CL } }, | |
1756 | { "rcrQ", { Ev, CL } }, | |
1757 | { "shlQ", { Ev, CL } }, | |
1758 | { "shrQ", { Ev, CL } }, | |
1759 | { "(bad)", { XX } }, | |
1760 | { "sarQ", { Ev, CL } }, | |
1761 | }, | |
1762 | /* GRP3b */ | |
1763 | { | |
1764 | { "testA", { Eb, Ib } }, | |
1765 | { "(bad)", { Eb } }, | |
1766 | { "notA", { Eb } }, | |
1767 | { "negA", { Eb } }, | |
1768 | { "mulA", { Eb } }, /* Don't print the implicit %al register, */ | |
1769 | { "imulA", { Eb } }, /* to distinguish these opcodes from other */ | |
1770 | { "divA", { Eb } }, /* mul/imul opcodes. Do the same for div */ | |
1771 | { "idivA", { Eb } }, /* and idiv for consistency. */ | |
1772 | }, | |
1773 | /* GRP3S */ | |
1774 | { | |
1775 | { "testQ", { Ev, Iv } }, | |
1776 | { "(bad)", { XX } }, | |
1777 | { "notQ", { Ev } }, | |
1778 | { "negQ", { Ev } }, | |
1779 | { "mulQ", { Ev } }, /* Don't print the implicit register. */ | |
1780 | { "imulQ", { Ev } }, | |
1781 | { "divQ", { Ev } }, | |
1782 | { "idivQ", { Ev } }, | |
1783 | }, | |
1784 | /* GRP4 */ | |
1785 | { | |
1786 | { "incA", { Eb } }, | |
1787 | { "decA", { Eb } }, | |
1788 | { "(bad)", { XX } }, | |
1789 | { "(bad)", { XX } }, | |
1790 | { "(bad)", { XX } }, | |
1791 | { "(bad)", { XX } }, | |
1792 | { "(bad)", { XX } }, | |
1793 | { "(bad)", { XX } }, | |
1794 | }, | |
1795 | /* GRP5 */ | |
1796 | { | |
1797 | { "incQ", { Ev } }, | |
1798 | { "decQ", { Ev } }, | |
1799 | { "callT", { indirEv } }, | |
1800 | { "JcallT", { indirEp } }, | |
1801 | { "jmpT", { indirEv } }, | |
1802 | { "JjmpT", { indirEp } }, | |
1803 | { "pushU", { stackEv } }, | |
1804 | { "(bad)", { XX } }, | |
1805 | }, | |
1806 | /* GRP6 */ | |
1807 | { | |
1808 | { "sldtD", { Sv } }, | |
1809 | { "strD", { Sv } }, | |
1810 | { "lldt", { Ew } }, | |
1811 | { "ltr", { Ew } }, | |
1812 | { "verr", { Ew } }, | |
1813 | { "verw", { Ew } }, | |
1814 | { "(bad)", { XX } }, | |
1815 | { "(bad)", { XX } }, | |
1816 | }, | |
1817 | /* GRP7 */ | |
1818 | { | |
1819 | { "sgdt{Q|IQ||}", { { VMX_Fixup, 0 } } }, | |
1820 | { "sidt{Q|IQ||}", { { PNI_Fixup, 0 } } }, | |
1821 | { "lgdt{Q|Q||}", { M } }, | |
1822 | { "lidt{Q|Q||}", { { SVME_Fixup, 0 } } }, | |
1823 | { "smswD", { Sv } }, | |
1824 | { "(bad)", { XX } }, | |
1825 | { "lmsw", { Ew } }, | |
1826 | { "invlpg", { { INVLPG_Fixup, w_mode } } }, | |
1827 | }, | |
1828 | /* GRP8 */ | |
1829 | { | |
1830 | { "(bad)", { XX } }, | |
1831 | { "(bad)", { XX } }, | |
1832 | { "(bad)", { XX } }, | |
1833 | { "(bad)", { XX } }, | |
1834 | { "btQ", { Ev, Ib } }, | |
1835 | { "btsQ", { Ev, Ib } }, | |
1836 | { "btrQ", { Ev, Ib } }, | |
1837 | { "btcQ", { Ev, Ib } }, | |
1838 | }, | |
1839 | /* GRP9 */ | |
1840 | { | |
1841 | { "(bad)", { XX } }, | |
1842 | { "cmpxchg8b", { { CMPXCHG8B_Fixup, q_mode } } }, | |
1843 | { "(bad)", { XX } }, | |
1844 | { "(bad)", { XX } }, | |
1845 | { "(bad)", { XX } }, | |
1846 | { "(bad)", { XX } }, | |
1847 | { "", { VM } }, /* See OP_VMX. */ | |
1848 | { "vmptrst", { Mq } }, | |
1849 | }, | |
1850 | /* GRP11_C6 */ | |
1851 | { | |
1852 | { "movA", { Eb, Ib } }, | |
1853 | { "(bad)", { XX } }, | |
1854 | { "(bad)", { XX } }, | |
1855 | { "(bad)", { XX } }, | |
1856 | { "(bad)", { XX } }, | |
1857 | { "(bad)", { XX } }, | |
1858 | { "(bad)", { XX } }, | |
1859 | { "(bad)", { XX } }, | |
1860 | }, | |
1861 | /* GRP11_C7 */ | |
1862 | { | |
1863 | { "movQ", { Ev, Iv } }, | |
1864 | { "(bad)", { XX } }, | |
1865 | { "(bad)", { XX } }, | |
1866 | { "(bad)", { XX } }, | |
1867 | { "(bad)", { XX } }, | |
1868 | { "(bad)", { XX } }, | |
1869 | { "(bad)", { XX } }, | |
1870 | { "(bad)", { XX } }, | |
1871 | }, | |
1872 | /* GRP12 */ | |
1873 | { | |
1874 | { "(bad)", { XX } }, | |
1875 | { "(bad)", { XX } }, | |
1876 | { "psrlw", { MS, Ib } }, | |
1877 | { "(bad)", { XX } }, | |
1878 | { "psraw", { MS, Ib } }, | |
1879 | { "(bad)", { XX } }, | |
1880 | { "psllw", { MS, Ib } }, | |
1881 | { "(bad)", { XX } }, | |
1882 | }, | |
1883 | /* GRP13 */ | |
1884 | { | |
1885 | { "(bad)", { XX } }, | |
1886 | { "(bad)", { XX } }, | |
1887 | { "psrld", { MS, Ib } }, | |
1888 | { "(bad)", { XX } }, | |
1889 | { "psrad", { MS, Ib } }, | |
1890 | { "(bad)", { XX } }, | |
1891 | { "pslld", { MS, Ib } }, | |
1892 | { "(bad)", { XX } }, | |
1893 | }, | |
1894 | /* GRP14 */ | |
1895 | { | |
1896 | { "(bad)", { XX } }, | |
1897 | { "(bad)", { XX } }, | |
1898 | { "psrlq", { MS, Ib } }, | |
1899 | { "psrldq", { MS, Ib } }, | |
1900 | { "(bad)", { XX } }, | |
1901 | { "(bad)", { XX } }, | |
1902 | { "psllq", { MS, Ib } }, | |
1903 | { "pslldq", { MS, Ib } }, | |
1904 | }, | |
1905 | /* GRP15 */ | |
1906 | { | |
1907 | { "fxsave", { Ev } }, | |
1908 | { "fxrstor", { Ev } }, | |
1909 | { "ldmxcsr", { Ev } }, | |
1910 | { "stmxcsr", { Ev } }, | |
1911 | { "(bad)", { XX } }, | |
1912 | { "lfence", { { OP_0fae, 0 } } }, | |
1913 | { "mfence", { { OP_0fae, 0 } } }, | |
1914 | { "clflush", { { OP_0fae, 0 } } }, | |
1915 | }, | |
1916 | /* GRP16 */ | |
1917 | { | |
1918 | { "prefetchnta", { Ev } }, | |
1919 | { "prefetcht0", { Ev } }, | |
1920 | { "prefetcht1", { Ev } }, | |
1921 | { "prefetcht2", { Ev } }, | |
1922 | { "(bad)", { XX } }, | |
1923 | { "(bad)", { XX } }, | |
1924 | { "(bad)", { XX } }, | |
1925 | { "(bad)", { XX } }, | |
1926 | }, | |
1927 | /* GRPAMD */ | |
1928 | { | |
1929 | { "prefetch", { Eb } }, | |
1930 | { "prefetchw", { Eb } }, | |
1931 | { "(bad)", { XX } }, | |
1932 | { "(bad)", { XX } }, | |
1933 | { "(bad)", { XX } }, | |
1934 | { "(bad)", { XX } }, | |
1935 | { "(bad)", { XX } }, | |
1936 | { "(bad)", { XX } }, | |
1937 | }, | |
1938 | /* GRPPADLCK1 */ | |
1939 | { | |
1940 | { "xstore-rng", { { OP_0f07, 0 } } }, | |
1941 | { "xcrypt-ecb", { { OP_0f07, 0 } } }, | |
1942 | { "xcrypt-cbc", { { OP_0f07, 0 } } }, | |
1943 | { "xcrypt-ctr", { { OP_0f07, 0 } } }, | |
1944 | { "xcrypt-cfb", { { OP_0f07, 0 } } }, | |
1945 | { "xcrypt-ofb", { { OP_0f07, 0 } } }, | |
1946 | { "(bad)", { { OP_0f07, 0 } } }, | |
1947 | { "(bad)", { { OP_0f07, 0 } } }, | |
1948 | }, | |
1949 | /* GRPPADLCK2 */ | |
1950 | { | |
1951 | { "montmul", { { OP_0f07, 0 } } }, | |
1952 | { "xsha1", { { OP_0f07, 0 } } }, | |
1953 | { "xsha256", { { OP_0f07, 0 } } }, | |
1954 | { "(bad)", { { OP_0f07, 0 } } }, | |
1955 | { "(bad)", { { OP_0f07, 0 } } }, | |
1956 | { "(bad)", { { OP_0f07, 0 } } }, | |
1957 | { "(bad)", { { OP_0f07, 0 } } }, | |
1958 | { "(bad)", { { OP_0f07, 0 } } }, | |
1959 | } | |
1960 | }; | |
1961 | ||
1962 | static const struct dis386 prefix_user_table[][4] = { | |
1963 | /* PREGRP0 */ | |
1964 | { | |
1965 | { "addps", { XM, EXx } }, | |
1966 | { "addss", { XM, EXd } }, | |
1967 | { "addpd", { XM, EXx } }, | |
1968 | { "addsd", { XM, EXq } }, | |
1969 | }, | |
1970 | /* PREGRP1 */ | |
1971 | { | |
1972 | { "", { XM, EXx, OPSIMD } }, /* See OP_SIMD_SUFFIX. */ | |
1973 | { "", { XM, EXx, OPSIMD } }, | |
1974 | { "", { XM, EXx, OPSIMD } }, | |
1975 | { "", { XM, EXx, OPSIMD } }, | |
1976 | }, | |
1977 | /* PREGRP2 */ | |
1978 | { | |
1979 | { "cvtpi2ps", { XM, EMC } }, | |
1980 | { "cvtsi2ssY", { XM, Ev } }, | |
1981 | { "cvtpi2pd", { XM, EMC } }, | |
1982 | { "cvtsi2sdY", { XM, Ev } }, | |
1983 | }, | |
1984 | /* PREGRP3 */ | |
1985 | { | |
1986 | { "cvtps2pi", { MXC, EXx } }, | |
1987 | { "cvtss2siY", { Gv, EXx } }, | |
1988 | { "cvtpd2pi", { MXC, EXx } }, | |
1989 | { "cvtsd2siY", { Gv, EXx } }, | |
1990 | }, | |
1991 | /* PREGRP4 */ | |
1992 | { | |
1993 | { "cvttps2pi", { MXC, EXx } }, | |
1994 | { "cvttss2siY", { Gv, EXx } }, | |
1995 | { "cvttpd2pi", { MXC, EXx } }, | |
1996 | { "cvttsd2siY", { Gv, EXx } }, | |
1997 | }, | |
1998 | /* PREGRP5 */ | |
1999 | { | |
2000 | { "divps", { XM, EXx } }, | |
2001 | { "divss", { XM, EXx } }, | |
2002 | { "divpd", { XM, EXx } }, | |
2003 | { "divsd", { XM, EXx } }, | |
2004 | }, | |
2005 | /* PREGRP6 */ | |
2006 | { | |
2007 | { "maxps", { XM, EXx } }, | |
2008 | { "maxss", { XM, EXx } }, | |
2009 | { "maxpd", { XM, EXx } }, | |
2010 | { "maxsd", { XM, EXx } }, | |
2011 | }, | |
2012 | /* PREGRP7 */ | |
2013 | { | |
2014 | { "minps", { XM, EXx } }, | |
2015 | { "minss", { XM, EXx } }, | |
2016 | { "minpd", { XM, EXx } }, | |
2017 | { "minsd", { XM, EXx } }, | |
2018 | }, | |
2019 | /* PREGRP8 */ | |
2020 | { | |
2021 | { "movups", { XM, EXx } }, | |
2022 | { "movss", { XM, EXx } }, | |
2023 | { "movupd", { XM, EXx } }, | |
2024 | { "movsd", { XM, EXx } }, | |
2025 | }, | |
2026 | /* PREGRP9 */ | |
2027 | { | |
2028 | { "movups", { EXx, XM } }, | |
2029 | { "movss", { EXx, XM } }, | |
2030 | { "movupd", { EXx, XM } }, | |
2031 | { "movsd", { EXx, XM } }, | |
2032 | }, | |
2033 | /* PREGRP10 */ | |
2034 | { | |
2035 | { "mulps", { XM, EXx } }, | |
2036 | { "mulss", { XM, EXx } }, | |
2037 | { "mulpd", { XM, EXx } }, | |
2038 | { "mulsd", { XM, EXx } }, | |
2039 | }, | |
2040 | /* PREGRP11 */ | |
2041 | { | |
2042 | { "rcpps", { XM, EXx } }, | |
2043 | { "rcpss", { XM, EXx } }, | |
2044 | { "(bad)", { XM, EXx } }, | |
2045 | { "(bad)", { XM, EXx } }, | |
2046 | }, | |
2047 | /* PREGRP12 */ | |
2048 | { | |
2049 | { "rsqrtps",{ XM, EXx } }, | |
2050 | { "rsqrtss",{ XM, EXx } }, | |
2051 | { "(bad)", { XM, EXx } }, | |
2052 | { "(bad)", { XM, EXx } }, | |
2053 | }, | |
2054 | /* PREGRP13 */ | |
2055 | { | |
2056 | { "sqrtps", { XM, EXx } }, | |
2057 | { "sqrtss", { XM, EXx } }, | |
2058 | { "sqrtpd", { XM, EXx } }, | |
2059 | { "sqrtsd", { XM, EXx } }, | |
2060 | }, | |
2061 | /* PREGRP14 */ | |
2062 | { | |
2063 | { "subps", { XM, EXx } }, | |
2064 | { "subss", { XM, EXx } }, | |
2065 | { "subpd", { XM, EXx } }, | |
2066 | { "subsd", { XM, EXx } }, | |
2067 | }, | |
2068 | /* PREGRP15 */ | |
2069 | { | |
2070 | { "(bad)", { XM, EXx } }, | |
2071 | { "cvtdq2pd", { XM, EXq } }, | |
2072 | { "cvttpd2dq", { XM, EXx } }, | |
2073 | { "cvtpd2dq", { XM, EXx } }, | |
2074 | }, | |
2075 | /* PREGRP16 */ | |
2076 | { | |
2077 | { "cvtdq2ps", { XM, EXx } }, | |
2078 | { "cvttps2dq", { XM, EXx } }, | |
2079 | { "cvtps2dq", { XM, EXx } }, | |
2080 | { "(bad)", { XM, EXx } }, | |
2081 | }, | |
2082 | /* PREGRP17 */ | |
2083 | { | |
2084 | { "cvtps2pd", { XM, EXq } }, | |
2085 | { "cvtss2sd", { XM, EXx } }, | |
2086 | { "cvtpd2ps", { XM, EXx } }, | |
2087 | { "cvtsd2ss", { XM, EXx } }, | |
2088 | }, | |
2089 | /* PREGRP18 */ | |
2090 | { | |
2091 | { "maskmovq", { MX, MS } }, | |
2092 | { "(bad)", { XM, EXx } }, | |
2093 | { "maskmovdqu", { XM, XS } }, | |
2094 | { "(bad)", { XM, EXx } }, | |
2095 | }, | |
2096 | /* PREGRP19 */ | |
2097 | { | |
2098 | { "movq", { MX, EM } }, | |
2099 | { "movdqu", { XM, EXx } }, | |
2100 | { "movdqa", { XM, EXx } }, | |
2101 | { "(bad)", { XM, EXx } }, | |
2102 | }, | |
2103 | /* PREGRP20 */ | |
2104 | { | |
2105 | { "movq", { EM, MX } }, | |
2106 | { "movdqu", { EXx, XM } }, | |
2107 | { "movdqa", { EXx, XM } }, | |
2108 | { "(bad)", { EXx, XM } }, | |
2109 | }, | |
2110 | /* PREGRP21 */ | |
2111 | { | |
2112 | { "(bad)", { EXx, XM } }, | |
2113 | { "movq2dq",{ XM, MS } }, | |
2114 | { "movq", { EXx, XM } }, | |
2115 | { "movdq2q",{ MX, XS } }, | |
2116 | }, | |
2117 | /* PREGRP22 */ | |
2118 | { | |
2119 | { "pshufw", { MX, EM, Ib } }, | |
2120 | { "pshufhw",{ XM, EXx, Ib } }, | |
2121 | { "pshufd", { XM, EXx, Ib } }, | |
2122 | { "pshuflw",{ XM, EXx, Ib } }, | |
2123 | }, | |
2124 | /* PREGRP23 */ | |
2125 | { | |
2126 | { "movd", { Edq, MX } }, | |
2127 | { "movq", { XM, EXx } }, | |
2128 | { "movd", { Edq, XM } }, | |
2129 | { "(bad)", { Ed, XM } }, | |
2130 | }, | |
2131 | /* PREGRP24 */ | |
2132 | { | |
2133 | { "(bad)", { MX, EXx } }, | |
2134 | { "(bad)", { XM, EXx } }, | |
2135 | { "punpckhqdq", { XM, EXx } }, | |
2136 | { "(bad)", { XM, EXx } }, | |
2137 | }, | |
2138 | /* PREGRP25 */ | |
2139 | { | |
2140 | { "movntq", { EM, MX } }, | |
2141 | { "(bad)", { EM, XM } }, | |
2142 | { "movntdq",{ EM, XM } }, | |
2143 | { "(bad)", { EM, XM } }, | |
2144 | }, | |
2145 | /* PREGRP26 */ | |
2146 | { | |
2147 | { "(bad)", { MX, EXx } }, | |
2148 | { "(bad)", { XM, EXx } }, | |
2149 | { "punpcklqdq", { XM, EXx } }, | |
2150 | { "(bad)", { XM, EXx } }, | |
2151 | }, | |
2152 | /* PREGRP27 */ | |
2153 | { | |
2154 | { "(bad)", { MX, EXx } }, | |
2155 | { "(bad)", { XM, EXx } }, | |
2156 | { "addsubpd", { XM, EXx } }, | |
2157 | { "addsubps", { XM, EXx } }, | |
2158 | }, | |
2159 | /* PREGRP28 */ | |
2160 | { | |
2161 | { "(bad)", { MX, EXx } }, | |
2162 | { "(bad)", { XM, EXx } }, | |
2163 | { "haddpd", { XM, EXx } }, | |
2164 | { "haddps", { XM, EXx } }, | |
2165 | }, | |
2166 | /* PREGRP29 */ | |
2167 | { | |
2168 | { "(bad)", { MX, EXx } }, | |
2169 | { "(bad)", { XM, EXx } }, | |
2170 | { "hsubpd", { XM, EXx } }, | |
2171 | { "hsubps", { XM, EXx } }, | |
2172 | }, | |
2173 | /* PREGRP30 */ | |
2174 | { | |
2175 | { "movlpX", { XM, EXq, { SIMD_Fixup, 'h' } } }, /* really only 2 operands */ | |
2176 | { "movsldup", { XM, EXx } }, | |
2177 | { "movlpd", { XM, EXq } }, | |
2178 | { "movddup", { XM, EXq } }, | |
2179 | }, | |
2180 | /* PREGRP31 */ | |
2181 | { | |
2182 | { "movhpX", { XM, EXq, { SIMD_Fixup, 'l' } } }, | |
2183 | { "movshdup", { XM, EXx } }, | |
2184 | { "movhpd", { XM, EXq } }, | |
2185 | { "(bad)", { XM, EXq } }, | |
2186 | }, | |
2187 | /* PREGRP32 */ | |
2188 | { | |
2189 | { "(bad)", { XM, EXx } }, | |
2190 | { "(bad)", { XM, EXx } }, | |
2191 | { "(bad)", { XM, EXx } }, | |
2192 | { "lddqu", { XM, M } }, | |
2193 | }, | |
2194 | /* PREGRP33 */ | |
2195 | { | |
2196 | {"movntps", { Ev, XM } }, | |
2197 | {"movntss", { Ev, XM } }, | |
2198 | {"movntpd", { Ev, XM } }, | |
2199 | {"movntsd", { Ev, XM } }, | |
2200 | }, | |
2201 | ||
2202 | /* PREGRP34 */ | |
2203 | { | |
2204 | {"vmread", { Em, Gm } }, | |
2205 | {"(bad)", { XX } }, | |
2206 | {"extrq", { XS, Ib, Ib } }, | |
2207 | {"insertq", { XM, XS, Ib, Ib } }, | |
2208 | }, | |
2209 | ||
2210 | /* PREGRP35 */ | |
2211 | { | |
2212 | {"vmwrite", { Gm, Em } }, | |
2213 | {"(bad)", { XX } }, | |
2214 | {"extrq", { XM, XS } }, | |
2215 | {"insertq", { XM, XS } }, | |
2216 | }, | |
2217 | ||
2218 | /* PREGRP36 */ | |
2219 | { | |
2220 | { "bsrS", { Gv, Ev } }, | |
2221 | { "lzcntS", { Gv, Ev } }, | |
2222 | { "bsrS", { Gv, Ev } }, | |
2223 | { "(bad)", { XX } }, | |
2224 | }, | |
2225 | ||
2226 | /* PREGRP37 */ | |
2227 | { | |
2228 | { "(bad)", { XX } }, | |
2229 | { "popcntS", { Gv, Ev } }, | |
2230 | { "(bad)", { XX } }, | |
2231 | { "(bad)", { XX } }, | |
2232 | }, | |
2233 | ||
2234 | /* PREGRP38 */ | |
2235 | { | |
2236 | { "xchgS", { { NOP_Fixup1, eAX_reg }, { NOP_Fixup2, eAX_reg } } }, | |
2237 | { "pause", { XX } }, | |
2238 | { "xchgS", { { NOP_Fixup1, eAX_reg }, { NOP_Fixup2, eAX_reg } } }, | |
2239 | { "(bad)", { XX } }, | |
2240 | }, | |
2241 | ||
2242 | /* PREGRP39 */ | |
2243 | { | |
2244 | { "(bad)", { XX } }, | |
2245 | { "(bad)", { XX } }, | |
2246 | { "pblendvb", {XM, EXx, XMM0 } }, | |
2247 | { "(bad)", { XX } }, | |
2248 | }, | |
2249 | ||
2250 | /* PREGRP40 */ | |
2251 | { | |
2252 | { "(bad)", { XX } }, | |
2253 | { "(bad)", { XX } }, | |
2254 | { "blendvps", {XM, EXx, XMM0 } }, | |
2255 | { "(bad)", { XX } }, | |
2256 | }, | |
2257 | ||
2258 | /* PREGRP41 */ | |
2259 | { | |
2260 | { "(bad)", { XX } }, | |
2261 | { "(bad)", { XX } }, | |
2262 | { "blendvpd", { XM, EXx, XMM0 } }, | |
2263 | { "(bad)", { XX } }, | |
2264 | }, | |
2265 | ||
2266 | /* PREGRP42 */ | |
2267 | { | |
2268 | { "(bad)", { XX } }, | |
2269 | { "(bad)", { XX } }, | |
2270 | { "ptest", { XM, EXx } }, | |
2271 | { "(bad)", { XX } }, | |
2272 | }, | |
2273 | ||
2274 | /* PREGRP43 */ | |
2275 | { | |
2276 | { "(bad)", { XX } }, | |
2277 | { "(bad)", { XX } }, | |
2278 | { "pmovsxbw", { XM, EXx } }, | |
2279 | { "(bad)", { XX } }, | |
2280 | }, | |
2281 | ||
2282 | /* PREGRP44 */ | |
2283 | { | |
2284 | { "(bad)", { XX } }, | |
2285 | { "(bad)", { XX } }, | |
2286 | { "pmovsxbd", { XM, EXx } }, | |
2287 | { "(bad)", { XX } }, | |
2288 | }, | |
2289 | ||
2290 | /* PREGRP45 */ | |
2291 | { | |
2292 | { "(bad)", { XX } }, | |
2293 | { "(bad)", { XX } }, | |
2294 | { "pmovsxbq", { XM, EXx } }, | |
2295 | { "(bad)", { XX } }, | |
2296 | }, | |
2297 | ||
2298 | /* PREGRP46 */ | |
2299 | { | |
2300 | { "(bad)", { XX } }, | |
2301 | { "(bad)", { XX } }, | |
2302 | { "pmovsxwd", { XM, EXx } }, | |
2303 | { "(bad)", { XX } }, | |
2304 | }, | |
2305 | ||
2306 | /* PREGRP47 */ | |
2307 | { | |
2308 | { "(bad)", { XX } }, | |
2309 | { "(bad)", { XX } }, | |
2310 | { "pmovsxwq", { XM, EXx } }, | |
2311 | { "(bad)", { XX } }, | |
2312 | }, | |
2313 | ||
2314 | /* PREGRP48 */ | |
2315 | { | |
2316 | { "(bad)", { XX } }, | |
2317 | { "(bad)", { XX } }, | |
2318 | { "pmovsxdq", { XM, EXx } }, | |
2319 | { "(bad)", { XX } }, | |
2320 | }, | |
2321 | ||
2322 | /* PREGRP49 */ | |
2323 | { | |
2324 | { "(bad)", { XX } }, | |
2325 | { "(bad)", { XX } }, | |
2326 | { "pmuldq", { XM, EXx } }, | |
2327 | { "(bad)", { XX } }, | |
2328 | }, | |
2329 | ||
2330 | /* PREGRP50 */ | |
2331 | { | |
2332 | { "(bad)", { XX } }, | |
2333 | { "(bad)", { XX } }, | |
2334 | { "pcmpeqq", { XM, EXx } }, | |
2335 | { "(bad)", { XX } }, | |
2336 | }, | |
2337 | ||
2338 | /* PREGRP51 */ | |
2339 | { | |
2340 | { "(bad)", { XX } }, | |
2341 | { "(bad)", { XX } }, | |
2342 | { "movntdqa", { XM, EM } }, | |
2343 | { "(bad)", { XX } }, | |
2344 | }, | |
2345 | ||
2346 | /* PREGRP52 */ | |
2347 | { | |
2348 | { "(bad)", { XX } }, | |
2349 | { "(bad)", { XX } }, | |
2350 | { "packusdw", { XM, EXx } }, | |
2351 | { "(bad)", { XX } }, | |
2352 | }, | |
2353 | ||
2354 | /* PREGRP53 */ | |
2355 | { | |
2356 | { "(bad)", { XX } }, | |
2357 | { "(bad)", { XX } }, | |
2358 | { "pmovzxbw", { XM, EXx } }, | |
2359 | { "(bad)", { XX } }, | |
2360 | }, | |
2361 | ||
2362 | /* PREGRP54 */ | |
2363 | { | |
2364 | { "(bad)", { XX } }, | |
2365 | { "(bad)", { XX } }, | |
2366 | { "pmovzxbd", { XM, EXx } }, | |
2367 | { "(bad)", { XX } }, | |
2368 | }, | |
2369 | ||
2370 | /* PREGRP55 */ | |
2371 | { | |
2372 | { "(bad)", { XX } }, | |
2373 | { "(bad)", { XX } }, | |
2374 | { "pmovzxbq", { XM, EXx } }, | |
2375 | { "(bad)", { XX } }, | |
2376 | }, | |
2377 | ||
2378 | /* PREGRP56 */ | |
2379 | { | |
2380 | { "(bad)", { XX } }, | |
2381 | { "(bad)", { XX } }, | |
2382 | { "pmovzxwd", { XM, EXx } }, | |
2383 | { "(bad)", { XX } }, | |
2384 | }, | |
2385 | ||
2386 | /* PREGRP57 */ | |
2387 | { | |
2388 | { "(bad)", { XX } }, | |
2389 | { "(bad)", { XX } }, | |
2390 | { "pmovzxwq", { XM, EXx } }, | |
2391 | { "(bad)", { XX } }, | |
2392 | }, | |
2393 | ||
2394 | /* PREGRP58 */ | |
2395 | { | |
2396 | { "(bad)", { XX } }, | |
2397 | { "(bad)", { XX } }, | |
2398 | { "pmovzxdq", { XM, EXx } }, | |
2399 | { "(bad)", { XX } }, | |
2400 | }, | |
2401 | ||
2402 | /* PREGRP59 */ | |
2403 | { | |
2404 | { "(bad)", { XX } }, | |
2405 | { "(bad)", { XX } }, | |
2406 | { "pminsb", { XM, EXx } }, | |
2407 | { "(bad)", { XX } }, | |
2408 | }, | |
2409 | ||
2410 | /* PREGRP60 */ | |
2411 | { | |
2412 | { "(bad)", { XX } }, | |
2413 | { "(bad)", { XX } }, | |
2414 | { "pminsd", { XM, EXx } }, | |
2415 | { "(bad)", { XX } }, | |
2416 | }, | |
2417 | ||
2418 | /* PREGRP61 */ | |
2419 | { | |
2420 | { "(bad)", { XX } }, | |
2421 | { "(bad)", { XX } }, | |
2422 | { "pminuw", { XM, EXx } }, | |
2423 | { "(bad)", { XX } }, | |
2424 | }, | |
2425 | ||
2426 | /* PREGRP62 */ | |
2427 | { | |
2428 | { "(bad)", { XX } }, | |
2429 | { "(bad)", { XX } }, | |
2430 | { "pminud", { XM, EXx } }, | |
2431 | { "(bad)", { XX } }, | |
2432 | }, | |
2433 | ||
2434 | /* PREGRP63 */ | |
2435 | { | |
2436 | { "(bad)", { XX } }, | |
2437 | { "(bad)", { XX } }, | |
2438 | { "pmaxsb", { XM, EXx } }, | |
2439 | { "(bad)", { XX } }, | |
2440 | }, | |
2441 | ||
2442 | /* PREGRP64 */ | |
2443 | { | |
2444 | { "(bad)", { XX } }, | |
2445 | { "(bad)", { XX } }, | |
2446 | { "pmaxsd", { XM, EXx } }, | |
2447 | { "(bad)", { XX } }, | |
2448 | }, | |
2449 | ||
2450 | /* PREGRP65 */ | |
2451 | { | |
2452 | { "(bad)", { XX } }, | |
2453 | { "(bad)", { XX } }, | |
2454 | { "pmaxuw", { XM, EXx } }, | |
2455 | { "(bad)", { XX } }, | |
2456 | }, | |
2457 | ||
2458 | /* PREGRP66 */ | |
2459 | { | |
2460 | { "(bad)", { XX } }, | |
2461 | { "(bad)", { XX } }, | |
2462 | { "pmaxud", { XM, EXx } }, | |
2463 | { "(bad)", { XX } }, | |
2464 | }, | |
2465 | ||
2466 | /* PREGRP67 */ | |
2467 | { | |
2468 | { "(bad)", { XX } }, | |
2469 | { "(bad)", { XX } }, | |
2470 | { "pmulld", { XM, EXx } }, | |
2471 | { "(bad)", { XX } }, | |
2472 | }, | |
2473 | ||
2474 | /* PREGRP68 */ | |
2475 | { | |
2476 | { "(bad)", { XX } }, | |
2477 | { "(bad)", { XX } }, | |
2478 | { "phminposuw", { XM, EXx } }, | |
2479 | { "(bad)", { XX } }, | |
2480 | }, | |
2481 | ||
2482 | /* PREGRP69 */ | |
2483 | { | |
2484 | { "(bad)", { XX } }, | |
2485 | { "(bad)", { XX } }, | |
2486 | { "roundps", { XM, EXx, Ib } }, | |
2487 | { "(bad)", { XX } }, | |
2488 | }, | |
2489 | ||
2490 | /* PREGRP70 */ | |
2491 | { | |
2492 | { "(bad)", { XX } }, | |
2493 | { "(bad)", { XX } }, | |
2494 | { "roundpd", { XM, EXx, Ib } }, | |
2495 | { "(bad)", { XX } }, | |
2496 | }, | |
2497 | ||
2498 | /* PREGRP71 */ | |
2499 | { | |
2500 | { "(bad)", { XX } }, | |
2501 | { "(bad)", { XX } }, | |
2502 | { "roundss", { XM, EXx, Ib } }, | |
2503 | { "(bad)", { XX } }, | |
2504 | }, | |
2505 | ||
2506 | /* PREGRP72 */ | |
2507 | { | |
2508 | { "(bad)", { XX } }, | |
2509 | { "(bad)", { XX } }, | |
2510 | { "roundsd", { XM, EXx, Ib } }, | |
2511 | { "(bad)", { XX } }, | |
2512 | }, | |
2513 | ||
2514 | /* PREGRP73 */ | |
2515 | { | |
2516 | { "(bad)", { XX } }, | |
2517 | { "(bad)", { XX } }, | |
2518 | { "blendps", { XM, EXx, Ib } }, | |
2519 | { "(bad)", { XX } }, | |
2520 | }, | |
2521 | ||
2522 | /* PREGRP74 */ | |
2523 | { | |
2524 | { "(bad)", { XX } }, | |
2525 | { "(bad)", { XX } }, | |
2526 | { "blendpd", { XM, EXx, Ib } }, | |
2527 | { "(bad)", { XX } }, | |
2528 | }, | |
2529 | ||
2530 | /* PREGRP75 */ | |
2531 | { | |
2532 | { "(bad)", { XX } }, | |
2533 | { "(bad)", { XX } }, | |
2534 | { "pblendw", { XM, EXx, Ib } }, | |
2535 | { "(bad)", { XX } }, | |
2536 | }, | |
2537 | ||
2538 | /* PREGRP76 */ | |
2539 | { | |
2540 | { "(bad)", { XX } }, | |
2541 | { "(bad)", { XX } }, | |
2542 | { "pextrb", { Edqb, XM, Ib } }, | |
2543 | { "(bad)", { XX } }, | |
2544 | }, | |
2545 | ||
2546 | /* PREGRP77 */ | |
2547 | { | |
2548 | { "(bad)", { XX } }, | |
2549 | { "(bad)", { XX } }, | |
2550 | { "pextrw", { Edqw, XM, Ib } }, | |
2551 | { "(bad)", { XX } }, | |
2552 | }, | |
2553 | ||
2554 | /* PREGRP78 */ | |
2555 | { | |
2556 | { "(bad)", { XX } }, | |
2557 | { "(bad)", { XX } }, | |
2558 | { "pextrK", { Edq, XM, Ib } }, | |
2559 | { "(bad)", { XX } }, | |
2560 | }, | |
2561 | ||
2562 | /* PREGRP79 */ | |
2563 | { | |
2564 | { "(bad)", { XX } }, | |
2565 | { "(bad)", { XX } }, | |
2566 | { "extractps", { Edqd, XM, Ib } }, | |
2567 | { "(bad)", { XX } }, | |
2568 | }, | |
2569 | ||
2570 | /* PREGRP80 */ | |
2571 | { | |
2572 | { "(bad)", { XX } }, | |
2573 | { "(bad)", { XX } }, | |
2574 | { "pinsrb", { XM, Edqb, Ib } }, | |
2575 | { "(bad)", { XX } }, | |
2576 | }, | |
2577 | ||
2578 | /* PREGRP81 */ | |
2579 | { | |
2580 | { "(bad)", { XX } }, | |
2581 | { "(bad)", { XX } }, | |
2582 | { "insertps", { XM, EXx, Ib } }, | |
2583 | { "(bad)", { XX } }, | |
2584 | }, | |
2585 | ||
2586 | /* PREGRP82 */ | |
2587 | { | |
2588 | { "(bad)", { XX } }, | |
2589 | { "(bad)", { XX } }, | |
2590 | { "pinsrK", { XM, Edq, Ib } }, | |
2591 | { "(bad)", { XX } }, | |
2592 | }, | |
2593 | ||
2594 | /* PREGRP83 */ | |
2595 | { | |
2596 | { "(bad)", { XX } }, | |
2597 | { "(bad)", { XX } }, | |
2598 | { "dpps", { XM, EXx, Ib } }, | |
2599 | { "(bad)", { XX } }, | |
2600 | }, | |
2601 | ||
2602 | /* PREGRP84 */ | |
2603 | { | |
2604 | { "(bad)", { XX } }, | |
2605 | { "(bad)", { XX } }, | |
2606 | { "dppd", { XM, EXx, Ib } }, | |
2607 | { "(bad)", { XX } }, | |
2608 | }, | |
2609 | ||
2610 | /* PREGRP85 */ | |
2611 | { | |
2612 | { "(bad)", { XX } }, | |
2613 | { "(bad)", { XX } }, | |
2614 | { "mpsadbw", { XM, EXx, Ib } }, | |
2615 | { "(bad)", { XX } }, | |
2616 | }, | |
2617 | ||
2618 | /* PREGRP86 */ | |
2619 | { | |
2620 | { "(bad)", { XX } }, | |
2621 | { "(bad)", { XX } }, | |
2622 | { "pcmpgtq", { XM, EXx } }, | |
2623 | { "(bad)", { XX } }, | |
2624 | }, | |
2625 | ||
2626 | /* PREGRP87 */ | |
2627 | { | |
2628 | { "(bad)", { XX } }, | |
2629 | { "(bad)", { XX } }, | |
2630 | { "(bad)", { XX } }, | |
2631 | { "crc32", { Gdq, { CRC32_Fixup, b_mode } } }, | |
2632 | }, | |
2633 | ||
2634 | /* PREGRP88 */ | |
2635 | { | |
2636 | { "(bad)", { XX } }, | |
2637 | { "(bad)", { XX } }, | |
2638 | { "(bad)", { XX } }, | |
2639 | { "crc32", { Gdq, { CRC32_Fixup, v_mode } } }, | |
2640 | }, | |
2641 | ||
2642 | /* PREGRP89 */ | |
2643 | { | |
2644 | { "(bad)", { XX } }, | |
2645 | { "(bad)", { XX } }, | |
2646 | { "pcmpestrm", { XM, EXx, Ib } }, | |
2647 | { "(bad)", { XX } }, | |
2648 | }, | |
2649 | ||
2650 | /* PREGRP90 */ | |
2651 | { | |
2652 | { "(bad)", { XX } }, | |
2653 | { "(bad)", { XX } }, | |
2654 | { "pcmpestri", { XM, EXx, Ib } }, | |
2655 | { "(bad)", { XX } }, | |
2656 | }, | |
2657 | ||
2658 | /* PREGRP91 */ | |
2659 | { | |
2660 | { "(bad)", { XX } }, | |
2661 | { "(bad)", { XX } }, | |
2662 | { "pcmpistrm", { XM, EXx, Ib } }, | |
2663 | { "(bad)", { XX } }, | |
2664 | }, | |
2665 | ||
2666 | /* PREGRP92 */ | |
2667 | { | |
2668 | { "(bad)", { XX } }, | |
2669 | { "(bad)", { XX } }, | |
2670 | { "pcmpistri", { XM, EXx, Ib } }, | |
2671 | { "(bad)", { XX } }, | |
2672 | }, | |
2673 | ||
2674 | /* PREGRP93 */ | |
2675 | { | |
2676 | { "ucomiss",{ XM, EXd } }, | |
2677 | { "(bad)", { XX } }, | |
2678 | { "ucomisd",{ XM, EXq } }, | |
2679 | { "(bad)", { XX } }, | |
2680 | }, | |
2681 | ||
2682 | /* PREGRP94 */ | |
2683 | { | |
2684 | { "comiss", { XM, EXd } }, | |
2685 | { "(bad)", { XX } }, | |
2686 | { "comisd", { XM, EXq } }, | |
2687 | { "(bad)", { XX } }, | |
2688 | }, | |
2689 | ||
2690 | /* PREGRP95 */ | |
2691 | { | |
2692 | { "punpcklbw",{ MX, EMd } }, | |
2693 | { "(bad)", { XX } }, | |
2694 | { "punpcklbw",{ MX, EMq } }, | |
2695 | { "(bad)", { XX } }, | |
2696 | }, | |
2697 | ||
2698 | /* PREGRP96 */ | |
2699 | { | |
2700 | { "punpcklwd",{ MX, EMd } }, | |
2701 | { "(bad)", { XX } }, | |
2702 | { "punpcklwd",{ MX, EMq } }, | |
2703 | { "(bad)", { XX } }, | |
2704 | }, | |
2705 | ||
2706 | /* PREGRP97 */ | |
2707 | { | |
2708 | { "punpckldq",{ MX, EMd } }, | |
2709 | { "(bad)", { XX } }, | |
2710 | { "punpckldq",{ MX, EMq } }, | |
2711 | { "(bad)", { XX } }, | |
2712 | }, | |
2713 | }; | |
2714 | ||
2715 | static const struct dis386 x86_64_table[][2] = { | |
2716 | { | |
2717 | { "pusha{P|}", { XX } }, | |
2718 | { "(bad)", { XX } }, | |
2719 | }, | |
2720 | { | |
2721 | { "popa{P|}", { XX } }, | |
2722 | { "(bad)", { XX } }, | |
2723 | }, | |
2724 | { | |
2725 | { "bound{S|}", { Gv, Ma } }, | |
2726 | { "(bad)", { XX } }, | |
2727 | }, | |
2728 | { | |
2729 | { "arpl", { Ew, Gw } }, | |
2730 | { "movs{||lq|xd}", { Gv, Ed } }, | |
2731 | }, | |
2732 | }; | |
2733 | ||
2734 | static const struct dis386 three_byte_table[][256] = { | |
2735 | /* THREE_BYTE_0 */ | |
2736 | { | |
2737 | /* 00 */ | |
2738 | { "pshufb", { MX, EM } }, | |
2739 | { "phaddw", { MX, EM } }, | |
2740 | { "phaddd", { MX, EM } }, | |
2741 | { "phaddsw", { MX, EM } }, | |
2742 | { "pmaddubsw", { MX, EM } }, | |
2743 | { "phsubw", { MX, EM } }, | |
2744 | { "phsubd", { MX, EM } }, | |
2745 | { "phsubsw", { MX, EM } }, | |
2746 | /* 08 */ | |
2747 | { "psignb", { MX, EM } }, | |
2748 | { "psignw", { MX, EM } }, | |
2749 | { "psignd", { MX, EM } }, | |
2750 | { "pmulhrsw", { MX, EM } }, | |
2751 | { "(bad)", { XX } }, | |
2752 | { "(bad)", { XX } }, | |
2753 | { "(bad)", { XX } }, | |
2754 | { "(bad)", { XX } }, | |
2755 | /* 10 */ | |
2756 | { PREGRP39 }, | |
2757 | { "(bad)", { XX } }, | |
2758 | { "(bad)", { XX } }, | |
2759 | { "(bad)", { XX } }, | |
2760 | { PREGRP40 }, | |
2761 | { PREGRP41 }, | |
2762 | { "(bad)", { XX } }, | |
2763 | { PREGRP42 }, | |
2764 | /* 18 */ | |
2765 | { "(bad)", { XX } }, | |
2766 | { "(bad)", { XX } }, | |
2767 | { "(bad)", { XX } }, | |
2768 | { "(bad)", { XX } }, | |
2769 | { "pabsb", { MX, EM } }, | |
2770 | { "pabsw", { MX, EM } }, | |
2771 | { "pabsd", { MX, EM } }, | |
2772 | { "(bad)", { XX } }, | |
2773 | /* 20 */ | |
2774 | { PREGRP43 }, | |
2775 | { PREGRP44 }, | |
2776 | { PREGRP45 }, | |
2777 | { PREGRP46 }, | |
2778 | { PREGRP47 }, | |
2779 | { PREGRP48 }, | |
2780 | { "(bad)", { XX } }, | |
2781 | { "(bad)", { XX } }, | |
2782 | /* 28 */ | |
2783 | { PREGRP49 }, | |
2784 | { PREGRP50 }, | |
2785 | { PREGRP51 }, | |
2786 | { PREGRP52 }, | |
2787 | { "(bad)", { XX } }, | |
2788 | { "(bad)", { XX } }, | |
2789 | { "(bad)", { XX } }, | |
2790 | { "(bad)", { XX } }, | |
2791 | /* 30 */ | |
2792 | { PREGRP53 }, | |
2793 | { PREGRP54 }, | |
2794 | { PREGRP55 }, | |
2795 | { PREGRP56 }, | |
2796 | { PREGRP57 }, | |
2797 | { PREGRP58 }, | |
2798 | { "(bad)", { XX } }, | |
2799 | { PREGRP86 }, | |
2800 | /* 38 */ | |
2801 | { PREGRP59 }, | |
2802 | { PREGRP60 }, | |
2803 | { PREGRP61 }, | |
2804 | { PREGRP62 }, | |
2805 | { PREGRP63 }, | |
2806 | { PREGRP64 }, | |
2807 | { PREGRP65 }, | |
2808 | { PREGRP66 }, | |
2809 | /* 40 */ | |
2810 | { PREGRP67 }, | |
2811 | { PREGRP68 }, | |
2812 | { "(bad)", { XX } }, | |
2813 | { "(bad)", { XX } }, | |
2814 | { "(bad)", { XX } }, | |
2815 | { "(bad)", { XX } }, | |
2816 | { "(bad)", { XX } }, | |
2817 | { "(bad)", { XX } }, | |
2818 | /* 48 */ | |
2819 | { "(bad)", { XX } }, | |
2820 | { "(bad)", { XX } }, | |
2821 | { "(bad)", { XX } }, | |
2822 | { "(bad)", { XX } }, | |
2823 | { "(bad)", { XX } }, | |
2824 | { "(bad)", { XX } }, | |
2825 | { "(bad)", { XX } }, | |
2826 | { "(bad)", { XX } }, | |
2827 | /* 50 */ | |
2828 | { "(bad)", { XX } }, | |
2829 | { "(bad)", { XX } }, | |
2830 | { "(bad)", { XX } }, | |
2831 | { "(bad)", { XX } }, | |
2832 | { "(bad)", { XX } }, | |
2833 | { "(bad)", { XX } }, | |
2834 | { "(bad)", { XX } }, | |
2835 | { "(bad)", { XX } }, | |
2836 | /* 58 */ | |
2837 | { "(bad)", { XX } }, | |
2838 | { "(bad)", { XX } }, | |
2839 | { "(bad)", { XX } }, | |
2840 | { "(bad)", { XX } }, | |
2841 | { "(bad)", { XX } }, | |
2842 | { "(bad)", { XX } }, | |
2843 | { "(bad)", { XX } }, | |
2844 | { "(bad)", { XX } }, | |
2845 | /* 60 */ | |
2846 | { "(bad)", { XX } }, | |
2847 | { "(bad)", { XX } }, | |
2848 | { "(bad)", { XX } }, | |
2849 | { "(bad)", { XX } }, | |
2850 | { "(bad)", { XX } }, | |
2851 | { "(bad)", { XX } }, | |
2852 | { "(bad)", { XX } }, | |
2853 | { "(bad)", { XX } }, | |
2854 | /* 68 */ | |
2855 | { "(bad)", { XX } }, | |
2856 | { "(bad)", { XX } }, | |
2857 | { "(bad)", { XX } }, | |
2858 | { "(bad)", { XX } }, | |
2859 | { "(bad)", { XX } }, | |
2860 | { "(bad)", { XX } }, | |
2861 | { "(bad)", { XX } }, | |
2862 | { "(bad)", { XX } }, | |
2863 | /* 70 */ | |
2864 | { "(bad)", { XX } }, | |
2865 | { "(bad)", { XX } }, | |
2866 | { "(bad)", { XX } }, | |
2867 | { "(bad)", { XX } }, | |
2868 | { "(bad)", { XX } }, | |
2869 | { "(bad)", { XX } }, | |
2870 | { "(bad)", { XX } }, | |
2871 | { "(bad)", { XX } }, | |
2872 | /* 78 */ | |
2873 | { "(bad)", { XX } }, | |
2874 | { "(bad)", { XX } }, | |
2875 | { "(bad)", { XX } }, | |
2876 | { "(bad)", { XX } }, | |
2877 | { "(bad)", { XX } }, | |
2878 | { "(bad)", { XX } }, | |
2879 | { "(bad)", { XX } }, | |
2880 | { "(bad)", { XX } }, | |
2881 | /* 80 */ | |
2882 | { "(bad)", { XX } }, | |
2883 | { "(bad)", { XX } }, | |
2884 | { "(bad)", { XX } }, | |
2885 | { "(bad)", { XX } }, | |
2886 | { "(bad)", { XX } }, | |
2887 | { "(bad)", { XX } }, | |
2888 | { "(bad)", { XX } }, | |
2889 | { "(bad)", { XX } }, | |
2890 | /* 88 */ | |
2891 | { "(bad)", { XX } }, | |
2892 | { "(bad)", { XX } }, | |
2893 | { "(bad)", { XX } }, | |
2894 | { "(bad)", { XX } }, | |
2895 | { "(bad)", { XX } }, | |
2896 | { "(bad)", { XX } }, | |
2897 | { "(bad)", { XX } }, | |
2898 | { "(bad)", { XX } }, | |
2899 | /* 90 */ | |
2900 | { "(bad)", { XX } }, | |
2901 | { "(bad)", { XX } }, | |
2902 | { "(bad)", { XX } }, | |
2903 | { "(bad)", { XX } }, | |
2904 | { "(bad)", { XX } }, | |
2905 | { "(bad)", { XX } }, | |
2906 | { "(bad)", { XX } }, | |
2907 | { "(bad)", { XX } }, | |
2908 | /* 98 */ | |
2909 | { "(bad)", { XX } }, | |
2910 | { "(bad)", { XX } }, | |
2911 | { "(bad)", { XX } }, | |
2912 | { "(bad)", { XX } }, | |
2913 | { "(bad)", { XX } }, | |
2914 | { "(bad)", { XX } }, | |
2915 | { "(bad)", { XX } }, | |
2916 | { "(bad)", { XX } }, | |
2917 | /* a0 */ | |
2918 | { "(bad)", { XX } }, | |
2919 | { "(bad)", { XX } }, | |
2920 | { "(bad)", { XX } }, | |
2921 | { "(bad)", { XX } }, | |
2922 | { "(bad)", { XX } }, | |
2923 | { "(bad)", { XX } }, | |
2924 | { "(bad)", { XX } }, | |
2925 | { "(bad)", { XX } }, | |
2926 | /* a8 */ | |
2927 | { "(bad)", { XX } }, | |
2928 | { "(bad)", { XX } }, | |
2929 | { "(bad)", { XX } }, | |
2930 | { "(bad)", { XX } }, | |
2931 | { "(bad)", { XX } }, | |
2932 | { "(bad)", { XX } }, | |
2933 | { "(bad)", { XX } }, | |
2934 | { "(bad)", { XX } }, | |
2935 | /* b0 */ | |
2936 | { "(bad)", { XX } }, | |
2937 | { "(bad)", { XX } }, | |
2938 | { "(bad)", { XX } }, | |
2939 | { "(bad)", { XX } }, | |
2940 | { "(bad)", { XX } }, | |
2941 | { "(bad)", { XX } }, | |
2942 | { "(bad)", { XX } }, | |
2943 | { "(bad)", { XX } }, | |
2944 | /* b8 */ | |
2945 | { "(bad)", { XX } }, | |
2946 | { "(bad)", { XX } }, | |
2947 | { "(bad)", { XX } }, | |
2948 | { "(bad)", { XX } }, | |
2949 | { "(bad)", { XX } }, | |
2950 | { "(bad)", { XX } }, | |
2951 | { "(bad)", { XX } }, | |
2952 | { "(bad)", { XX } }, | |
2953 | /* c0 */ | |
2954 | { "(bad)", { XX } }, | |
2955 | { "(bad)", { XX } }, | |
2956 | { "(bad)", { XX } }, | |
2957 | { "(bad)", { XX } }, | |
2958 | { "(bad)", { XX } }, | |
2959 | { "(bad)", { XX } }, | |
2960 | { "(bad)", { XX } }, | |
2961 | { "(bad)", { XX } }, | |
2962 | /* c8 */ | |
2963 | { "(bad)", { XX } }, | |
2964 | { "(bad)", { XX } }, | |
2965 | { "(bad)", { XX } }, | |
2966 | { "(bad)", { XX } }, | |
2967 | { "(bad)", { XX } }, | |
2968 | { "(bad)", { XX } }, | |
2969 | { "(bad)", { XX } }, | |
2970 | { "(bad)", { XX } }, | |
2971 | /* d0 */ | |
2972 | { "(bad)", { XX } }, | |
2973 | { "(bad)", { XX } }, | |
2974 | { "(bad)", { XX } }, | |
2975 | { "(bad)", { XX } }, | |
2976 | { "(bad)", { XX } }, | |
2977 | { "(bad)", { XX } }, | |
2978 | { "(bad)", { XX } }, | |
2979 | { "(bad)", { XX } }, | |
2980 | /* d8 */ | |
2981 | { "(bad)", { XX } }, | |
2982 | { "(bad)", { XX } }, | |
2983 | { "(bad)", { XX } }, | |
2984 | { "(bad)", { XX } }, | |
2985 | { "(bad)", { XX } }, | |
2986 | { "(bad)", { XX } }, | |
2987 | { "(bad)", { XX } }, | |
2988 | { "(bad)", { XX } }, | |
2989 | /* e0 */ | |
2990 | { "(bad)", { XX } }, | |
2991 | { "(bad)", { XX } }, | |
2992 | { "(bad)", { XX } }, | |
2993 | { "(bad)", { XX } }, | |
2994 | { "(bad)", { XX } }, | |
2995 | { "(bad)", { XX } }, | |
2996 | { "(bad)", { XX } }, | |
2997 | { "(bad)", { XX } }, | |
2998 | /* e8 */ | |
2999 | { "(bad)", { XX } }, | |
3000 | { "(bad)", { XX } }, | |
3001 | { "(bad)", { XX } }, | |
3002 | { "(bad)", { XX } }, | |
3003 | { "(bad)", { XX } }, | |
3004 | { "(bad)", { XX } }, | |
3005 | { "(bad)", { XX } }, | |
3006 | { "(bad)", { XX } }, | |
3007 | /* f0 */ | |
3008 | { PREGRP87 }, | |
3009 | { PREGRP88 }, | |
3010 | { "(bad)", { XX } }, | |
3011 | { "(bad)", { XX } }, | |
3012 | { "(bad)", { XX } }, | |
3013 | { "(bad)", { XX } }, | |
3014 | { "(bad)", { XX } }, | |
3015 | { "(bad)", { XX } }, | |
3016 | /* f8 */ | |
3017 | { "(bad)", { XX } }, | |
3018 | { "(bad)", { XX } }, | |
3019 | { "(bad)", { XX } }, | |
3020 | { "(bad)", { XX } }, | |
3021 | { "(bad)", { XX } }, | |
3022 | { "(bad)", { XX } }, | |
3023 | { "(bad)", { XX } }, | |
3024 | { "(bad)", { XX } }, | |
3025 | }, | |
3026 | /* THREE_BYTE_1 */ | |
3027 | { | |
3028 | /* 00 */ | |
3029 | { "(bad)", { XX } }, | |
3030 | { "(bad)", { XX } }, | |
3031 | { "(bad)", { XX } }, | |
3032 | { "(bad)", { XX } }, | |
3033 | { "(bad)", { XX } }, | |
3034 | { "(bad)", { XX } }, | |
3035 | { "(bad)", { XX } }, | |
3036 | { "(bad)", { XX } }, | |
3037 | /* 08 */ | |
3038 | { PREGRP69 }, | |
3039 | { PREGRP70 }, | |
3040 | { PREGRP71 }, | |
3041 | { PREGRP72 }, | |
3042 | { PREGRP73 }, | |
3043 | { PREGRP74 }, | |
3044 | { PREGRP75 }, | |
3045 | { "palignr", { MX, EM, Ib } }, | |
3046 | /* 10 */ | |
3047 | { "(bad)", { XX } }, | |
3048 | { "(bad)", { XX } }, | |
3049 | { "(bad)", { XX } }, | |
3050 | { "(bad)", { XX } }, | |
3051 | { PREGRP76 }, | |
3052 | { PREGRP77 }, | |
3053 | { PREGRP78 }, | |
3054 | { PREGRP79 }, | |
3055 | /* 18 */ | |
3056 | { "(bad)", { XX } }, | |
3057 | { "(bad)", { XX } }, | |
3058 | { "(bad)", { XX } }, | |
3059 | { "(bad)", { XX } }, | |
3060 | { "(bad)", { XX } }, | |
3061 | { "(bad)", { XX } }, | |
3062 | { "(bad)", { XX } }, | |
3063 | { "(bad)", { XX } }, | |
3064 | /* 20 */ | |
3065 | { PREGRP80 }, | |
3066 | { PREGRP81 }, | |
3067 | { PREGRP82 }, | |
3068 | { "(bad)", { XX } }, | |
3069 | { "(bad)", { XX } }, | |
3070 | { "(bad)", { XX } }, | |
3071 | { "(bad)", { XX } }, | |
3072 | { "(bad)", { XX } }, | |
3073 | /* 28 */ | |
3074 | { "(bad)", { XX } }, | |
3075 | { "(bad)", { XX } }, | |
3076 | { "(bad)", { XX } }, | |
3077 | { "(bad)", { XX } }, | |
3078 | { "(bad)", { XX } }, | |
3079 | { "(bad)", { XX } }, | |
3080 | { "(bad)", { XX } }, | |
3081 | { "(bad)", { XX } }, | |
3082 | /* 30 */ | |
3083 | { "(bad)", { XX } }, | |
3084 | { "(bad)", { XX } }, | |
3085 | { "(bad)", { XX } }, | |
3086 | { "(bad)", { XX } }, | |
3087 | { "(bad)", { XX } }, | |
3088 | { "(bad)", { XX } }, | |
3089 | { "(bad)", { XX } }, | |
3090 | { "(bad)", { XX } }, | |
3091 | /* 38 */ | |
3092 | { "(bad)", { XX } }, | |
3093 | { "(bad)", { XX } }, | |
3094 | { "(bad)", { XX } }, | |
3095 | { "(bad)", { XX } }, | |
3096 | { "(bad)", { XX } }, | |
3097 | { "(bad)", { XX } }, | |
3098 | { "(bad)", { XX } }, | |
3099 | { "(bad)", { XX } }, | |
3100 | /* 40 */ | |
3101 | { PREGRP83 }, | |
3102 | { PREGRP84 }, | |
3103 | { PREGRP85 }, | |
3104 | { "(bad)", { XX } }, | |
3105 | { "(bad)", { XX } }, | |
3106 | { "(bad)", { XX } }, | |
3107 | { "(bad)", { XX } }, | |
3108 | { "(bad)", { XX } }, | |
3109 | /* 48 */ | |
3110 | { "(bad)", { XX } }, | |
3111 | { "(bad)", { XX } }, | |
3112 | { "(bad)", { XX } }, | |
3113 | { "(bad)", { XX } }, | |
3114 | { "(bad)", { XX } }, | |
3115 | { "(bad)", { XX } }, | |
3116 | { "(bad)", { XX } }, | |
3117 | { "(bad)", { XX } }, | |
3118 | /* 50 */ | |
3119 | { "(bad)", { XX } }, | |
3120 | { "(bad)", { XX } }, | |
3121 | { "(bad)", { XX } }, | |
3122 | { "(bad)", { XX } }, | |
3123 | { "(bad)", { XX } }, | |
3124 | { "(bad)", { XX } }, | |
3125 | { "(bad)", { XX } }, | |
3126 | { "(bad)", { XX } }, | |
3127 | /* 58 */ | |
3128 | { "(bad)", { XX } }, | |
3129 | { "(bad)", { XX } }, | |
3130 | { "(bad)", { XX } }, | |
3131 | { "(bad)", { XX } }, | |
3132 | { "(bad)", { XX } }, | |
3133 | { "(bad)", { XX } }, | |
3134 | { "(bad)", { XX } }, | |
3135 | { "(bad)", { XX } }, | |
3136 | /* 60 */ | |
3137 | { PREGRP89 }, | |
3138 | { PREGRP90 }, | |
3139 | { PREGRP91 }, | |
3140 | { PREGRP92 }, | |
3141 | { "(bad)", { XX } }, | |
3142 | { "(bad)", { XX } }, | |
3143 | { "(bad)", { XX } }, | |
3144 | { "(bad)", { XX } }, | |
3145 | /* 68 */ | |
3146 | { "(bad)", { XX } }, | |
3147 | { "(bad)", { XX } }, | |
3148 | { "(bad)", { XX } }, | |
3149 | { "(bad)", { XX } }, | |
3150 | { "(bad)", { XX } }, | |
3151 | { "(bad)", { XX } }, | |
3152 | { "(bad)", { XX } }, | |
3153 | { "(bad)", { XX } }, | |
3154 | /* 70 */ | |
3155 | { "(bad)", { XX } }, | |
3156 | { "(bad)", { XX } }, | |
3157 | { "(bad)", { XX } }, | |
3158 | { "(bad)", { XX } }, | |
3159 | { "(bad)", { XX } }, | |
3160 | { "(bad)", { XX } }, | |
3161 | { "(bad)", { XX } }, | |
3162 | { "(bad)", { XX } }, | |
3163 | /* 78 */ | |
3164 | { "(bad)", { XX } }, | |
3165 | { "(bad)", { XX } }, | |
3166 | { "(bad)", { XX } }, | |
3167 | { "(bad)", { XX } }, | |
3168 | { "(bad)", { XX } }, | |
3169 | { "(bad)", { XX } }, | |
3170 | { "(bad)", { XX } }, | |
3171 | { "(bad)", { XX } }, | |
3172 | /* 80 */ | |
3173 | { "(bad)", { XX } }, | |
3174 | { "(bad)", { XX } }, | |
3175 | { "(bad)", { XX } }, | |
3176 | { "(bad)", { XX } }, | |
3177 | { "(bad)", { XX } }, | |
3178 | { "(bad)", { XX } }, | |
3179 | { "(bad)", { XX } }, | |
3180 | { "(bad)", { XX } }, | |
3181 | /* 88 */ | |
3182 | { "(bad)", { XX } }, | |
3183 | { "(bad)", { XX } }, | |
3184 | { "(bad)", { XX } }, | |
3185 | { "(bad)", { XX } }, | |
3186 | { "(bad)", { XX } }, | |
3187 | { "(bad)", { XX } }, | |
3188 | { "(bad)", { XX } }, | |
3189 | { "(bad)", { XX } }, | |
3190 | /* 90 */ | |
3191 | { "(bad)", { XX } }, | |
3192 | { "(bad)", { XX } }, | |
3193 | { "(bad)", { XX } }, | |
3194 | { "(bad)", { XX } }, | |
3195 | { "(bad)", { XX } }, | |
3196 | { "(bad)", { XX } }, | |
3197 | { "(bad)", { XX } }, | |
3198 | { "(bad)", { XX } }, | |
3199 | /* 98 */ | |
3200 | { "(bad)", { XX } }, | |
3201 | { "(bad)", { XX } }, | |
3202 | { "(bad)", { XX } }, | |
3203 | { "(bad)", { XX } }, | |
3204 | { "(bad)", { XX } }, | |
3205 | { "(bad)", { XX } }, | |
3206 | { "(bad)", { XX } }, | |
3207 | { "(bad)", { XX } }, | |
3208 | /* a0 */ | |
3209 | { "(bad)", { XX } }, | |
3210 | { "(bad)", { XX } }, | |
3211 | { "(bad)", { XX } }, | |
3212 | { "(bad)", { XX } }, | |
3213 | { "(bad)", { XX } }, | |
3214 | { "(bad)", { XX } }, | |
3215 | { "(bad)", { XX } }, | |
3216 | { "(bad)", { XX } }, | |
3217 | /* a8 */ | |
3218 | { "(bad)", { XX } }, | |
3219 | { "(bad)", { XX } }, | |
3220 | { "(bad)", { XX } }, | |
3221 | { "(bad)", { XX } }, | |
3222 | { "(bad)", { XX } }, | |
3223 | { "(bad)", { XX } }, | |
3224 | { "(bad)", { XX } }, | |
3225 | { "(bad)", { XX } }, | |
3226 | /* b0 */ | |
3227 | { "(bad)", { XX } }, | |
3228 | { "(bad)", { XX } }, | |
3229 | { "(bad)", { XX } }, | |
3230 | { "(bad)", { XX } }, | |
3231 | { "(bad)", { XX } }, | |
3232 | { "(bad)", { XX } }, | |
3233 | { "(bad)", { XX } }, | |
3234 | { "(bad)", { XX } }, | |
3235 | /* b8 */ | |
3236 | { "(bad)", { XX } }, | |
3237 | { "(bad)", { XX } }, | |
3238 | { "(bad)", { XX } }, | |
3239 | { "(bad)", { XX } }, | |
3240 | { "(bad)", { XX } }, | |
3241 | { "(bad)", { XX } }, | |
3242 | { "(bad)", { XX } }, | |
3243 | { "(bad)", { XX } }, | |
3244 | /* c0 */ | |
3245 | { "(bad)", { XX } }, | |
3246 | { "(bad)", { XX } }, | |
3247 | { "(bad)", { XX } }, | |
3248 | { "(bad)", { XX } }, | |
3249 | { "(bad)", { XX } }, | |
3250 | { "(bad)", { XX } }, | |
3251 | { "(bad)", { XX } }, | |
3252 | { "(bad)", { XX } }, | |
3253 | /* c8 */ | |
3254 | { "(bad)", { XX } }, | |
3255 | { "(bad)", { XX } }, | |
3256 | { "(bad)", { XX } }, | |
3257 | { "(bad)", { XX } }, | |
3258 | { "(bad)", { XX } }, | |
3259 | { "(bad)", { XX } }, | |
3260 | { "(bad)", { XX } }, | |
3261 | { "(bad)", { XX } }, | |
3262 | /* d0 */ | |
3263 | { "(bad)", { XX } }, | |
3264 | { "(bad)", { XX } }, | |
3265 | { "(bad)", { XX } }, | |
3266 | { "(bad)", { XX } }, | |
3267 | { "(bad)", { XX } }, | |
3268 | { "(bad)", { XX } }, | |
3269 | { "(bad)", { XX } }, | |
3270 | { "(bad)", { XX } }, | |
3271 | /* d8 */ | |
3272 | { "(bad)", { XX } }, | |
3273 | { "(bad)", { XX } }, | |
3274 | { "(bad)", { XX } }, | |
3275 | { "(bad)", { XX } }, | |
3276 | { "(bad)", { XX } }, | |
3277 | { "(bad)", { XX } }, | |
3278 | { "(bad)", { XX } }, | |
3279 | { "(bad)", { XX } }, | |
3280 | /* e0 */ | |
3281 | { "(bad)", { XX } }, | |
3282 | { "(bad)", { XX } }, | |
3283 | { "(bad)", { XX } }, | |
3284 | { "(bad)", { XX } }, | |
3285 | { "(bad)", { XX } }, | |
3286 | { "(bad)", { XX } }, | |
3287 | { "(bad)", { XX } }, | |
3288 | { "(bad)", { XX } }, | |
3289 | /* e8 */ | |
3290 | { "(bad)", { XX } }, | |
3291 | { "(bad)", { XX } }, | |
3292 | { "(bad)", { XX } }, | |
3293 | { "(bad)", { XX } }, | |
3294 | { "(bad)", { XX } }, | |
3295 | { "(bad)", { XX } }, | |
3296 | { "(bad)", { XX } }, | |
3297 | { "(bad)", { XX } }, | |
3298 | /* f0 */ | |
3299 | { "(bad)", { XX } }, | |
3300 | { "(bad)", { XX } }, | |
3301 | { "(bad)", { XX } }, | |
3302 | { "(bad)", { XX } }, | |
3303 | { "(bad)", { XX } }, | |
3304 | { "(bad)", { XX } }, | |
3305 | { "(bad)", { XX } }, | |
3306 | { "(bad)", { XX } }, | |
3307 | /* f8 */ | |
3308 | { "(bad)", { XX } }, | |
3309 | { "(bad)", { XX } }, | |
3310 | { "(bad)", { XX } }, | |
3311 | { "(bad)", { XX } }, | |
3312 | { "(bad)", { XX } }, | |
3313 | { "(bad)", { XX } }, | |
3314 | { "(bad)", { XX } }, | |
3315 | { "(bad)", { XX } }, | |
3316 | } | |
3317 | }; | |
3318 | ||
3319 | #define INTERNAL_DISASSEMBLER_ERROR _("<internal disassembler error>") | |
3320 | ||
3321 | static void | |
3322 | ckprefix (void) | |
3323 | { | |
3324 | int newrex; | |
3325 | rex = 0; | |
3326 | prefixes = 0; | |
3327 | used_prefixes = 0; | |
3328 | rex_used = 0; | |
3329 | while (1) | |
3330 | { | |
3331 | fetch_data(the_info, codep + 1); | |
3332 | newrex = 0; | |
3333 | switch (*codep) | |
3334 | { | |
3335 | /* REX prefixes family. */ | |
3336 | case 0x40: | |
3337 | case 0x41: | |
3338 | case 0x42: | |
3339 | case 0x43: | |
3340 | case 0x44: | |
3341 | case 0x45: | |
3342 | case 0x46: | |
3343 | case 0x47: | |
3344 | case 0x48: | |
3345 | case 0x49: | |
3346 | case 0x4a: | |
3347 | case 0x4b: | |
3348 | case 0x4c: | |
3349 | case 0x4d: | |
3350 | case 0x4e: | |
3351 | case 0x4f: | |
3352 | if (address_mode == mode_64bit) | |
3353 | newrex = *codep; | |
3354 | else | |
3355 | return; | |
3356 | break; | |
3357 | case 0xf3: | |
3358 | prefixes |= PREFIX_REPZ; | |
3359 | break; | |
3360 | case 0xf2: | |
3361 | prefixes |= PREFIX_REPNZ; | |
3362 | break; | |
3363 | case 0xf0: | |
3364 | prefixes |= PREFIX_LOCK; | |
3365 | break; | |
3366 | case 0x2e: | |
3367 | prefixes |= PREFIX_CS; | |
3368 | break; | |
3369 | case 0x36: | |
3370 | prefixes |= PREFIX_SS; | |
3371 | break; | |
3372 | case 0x3e: | |
3373 | prefixes |= PREFIX_DS; | |
3374 | break; | |
3375 | case 0x26: | |
3376 | prefixes |= PREFIX_ES; | |
3377 | break; | |
3378 | case 0x64: | |
3379 | prefixes |= PREFIX_FS; | |
3380 | break; | |
3381 | case 0x65: | |
3382 | prefixes |= PREFIX_GS; | |
3383 | break; | |
3384 | case 0x66: | |
3385 | prefixes |= PREFIX_DATA; | |
3386 | break; | |
3387 | case 0x67: | |
3388 | prefixes |= PREFIX_ADDR; | |
3389 | break; | |
3390 | case FWAIT_OPCODE: | |
3391 | /* fwait is really an instruction. If there are prefixes | |
3392 | before the fwait, they belong to the fwait, *not* to the | |
3393 | following instruction. */ | |
3394 | if (prefixes || rex) | |
3395 | { | |
3396 | prefixes |= PREFIX_FWAIT; | |
3397 | codep++; | |
3398 | return; | |
3399 | } | |
3400 | prefixes = PREFIX_FWAIT; | |
3401 | break; | |
3402 | default: | |
3403 | return; | |
3404 | } | |
3405 | /* Rex is ignored when followed by another prefix. */ | |
3406 | if (rex) | |
3407 | { | |
3408 | rex_used = rex; | |
3409 | return; | |
3410 | } | |
3411 | rex = newrex; | |
3412 | codep++; | |
3413 | } | |
3414 | } | |
3415 | ||
3416 | /* Return the name of the prefix byte PREF, or NULL if PREF is not a | |
3417 | prefix byte. */ | |
3418 | ||
3419 | static const char * | |
3420 | prefix_name (int pref, int sizeflag) | |
3421 | { | |
3422 | static const char * const rexes [16] = | |
3423 | { | |
3424 | "rex", /* 0x40 */ | |
3425 | "rex.B", /* 0x41 */ | |
3426 | "rex.X", /* 0x42 */ | |
3427 | "rex.XB", /* 0x43 */ | |
3428 | "rex.R", /* 0x44 */ | |
3429 | "rex.RB", /* 0x45 */ | |
3430 | "rex.RX", /* 0x46 */ | |
3431 | "rex.RXB", /* 0x47 */ | |
3432 | "rex.W", /* 0x48 */ | |
3433 | "rex.WB", /* 0x49 */ | |
3434 | "rex.WX", /* 0x4a */ | |
3435 | "rex.WXB", /* 0x4b */ | |
3436 | "rex.WR", /* 0x4c */ | |
3437 | "rex.WRB", /* 0x4d */ | |
3438 | "rex.WRX", /* 0x4e */ | |
3439 | "rex.WRXB", /* 0x4f */ | |
3440 | }; | |
3441 | ||
3442 | switch (pref) | |
3443 | { | |
3444 | /* REX prefixes family. */ | |
3445 | case 0x40: | |
3446 | case 0x41: | |
3447 | case 0x42: | |
3448 | case 0x43: | |
3449 | case 0x44: | |
3450 | case 0x45: | |
3451 | case 0x46: | |
3452 | case 0x47: | |
3453 | case 0x48: | |
3454 | case 0x49: | |
3455 | case 0x4a: | |
3456 | case 0x4b: | |
3457 | case 0x4c: | |
3458 | case 0x4d: | |
3459 | case 0x4e: | |
3460 | case 0x4f: | |
3461 | return rexes [pref - 0x40]; | |
3462 | case 0xf3: | |
3463 | return "repz"; | |
3464 | case 0xf2: | |
3465 | return "repnz"; | |
3466 | case 0xf0: | |
3467 | return "lock"; | |
3468 | case 0x2e: | |
3469 | return "cs"; | |
3470 | case 0x36: | |
3471 | return "ss"; | |
3472 | case 0x3e: | |
3473 | return "ds"; | |
3474 | case 0x26: | |
3475 | return "es"; | |
3476 | case 0x64: | |
3477 | return "fs"; | |
3478 | case 0x65: | |
3479 | return "gs"; | |
3480 | case 0x66: | |
3481 | return (sizeflag & DFLAG) ? "data16" : "data32"; | |
3482 | case 0x67: | |
3483 | if (address_mode == mode_64bit) | |
3484 | return (sizeflag & AFLAG) ? "addr32" : "addr64"; | |
3485 | else | |
3486 | return (sizeflag & AFLAG) ? "addr16" : "addr32"; | |
3487 | case FWAIT_OPCODE: | |
3488 | return "fwait"; | |
3489 | default: | |
3490 | return NULL; | |
3491 | } | |
3492 | } | |
3493 | ||
3494 | static char op_out[MAX_OPERANDS][100]; | |
3495 | static int op_ad, op_index[MAX_OPERANDS]; | |
3496 | static int two_source_ops; | |
3497 | static bfd_vma op_address[MAX_OPERANDS]; | |
3498 | static bfd_vma op_riprel[MAX_OPERANDS]; | |
3499 | static bfd_vma start_pc; | |
3500 | ||
3501 | /* | |
3502 | * On the 386's of 1988, the maximum length of an instruction is 15 bytes. | |
3503 | * (see topic "Redundant prefixes" in the "Differences from 8086" | |
3504 | * section of the "Virtual 8086 Mode" chapter.) | |
3505 | * 'pc' should be the address of this instruction, it will | |
3506 | * be used to print the target address if this is a relative jump or call | |
3507 | * The function returns the length of this instruction in bytes. | |
3508 | */ | |
3509 | ||
3510 | static char intel_syntax; | |
3511 | static char open_char; | |
3512 | static char close_char; | |
3513 | static char separator_char; | |
3514 | static char scale_char; | |
3515 | ||
3516 | int | |
3517 | print_insn_i386 (bfd_vma pc, disassemble_info *info) | |
3518 | { | |
3519 | intel_syntax = -1; | |
3520 | ||
3521 | return print_insn (pc, info); | |
3522 | } | |
3523 | ||
3524 | static int | |
3525 | print_insn (bfd_vma pc, disassemble_info *info) | |
3526 | { | |
3527 | const struct dis386 *dp; | |
3528 | int i; | |
3529 | char *op_txt[MAX_OPERANDS]; | |
3530 | int needcomma; | |
3531 | unsigned char uses_DATA_prefix, uses_LOCK_prefix; | |
3532 | unsigned char uses_REPNZ_prefix, uses_REPZ_prefix; | |
3533 | int sizeflag; | |
3534 | const char *p; | |
3535 | struct dis_private priv; | |
3536 | unsigned char op; | |
3537 | ||
3538 | if (info->mach == bfd_mach_x86_64_intel_syntax | |
3539 | || info->mach == bfd_mach_x86_64) | |
3540 | address_mode = mode_64bit; | |
3541 | else | |
3542 | address_mode = mode_32bit; | |
3543 | ||
3544 | if (intel_syntax == (char) -1) | |
3545 | intel_syntax = (info->mach == bfd_mach_i386_i386_intel_syntax | |
3546 | || info->mach == bfd_mach_x86_64_intel_syntax); | |
3547 | ||
3548 | if (info->mach == bfd_mach_i386_i386 | |
3549 | || info->mach == bfd_mach_x86_64 | |
3550 | || info->mach == bfd_mach_i386_i386_intel_syntax | |
3551 | || info->mach == bfd_mach_x86_64_intel_syntax) | |
3552 | priv.orig_sizeflag = AFLAG | DFLAG; | |
3553 | else if (info->mach == bfd_mach_i386_i8086) | |
3554 | priv.orig_sizeflag = 0; | |
3555 | else | |
3556 | abort (); | |
3557 | ||
3558 | for (p = info->disassembler_options; p != NULL; ) | |
3559 | { | |
3560 | if (strncmp (p, "x86-64", 6) == 0) | |
3561 | { | |
3562 | address_mode = mode_64bit; | |
3563 | priv.orig_sizeflag = AFLAG | DFLAG; | |
3564 | } | |
3565 | else if (strncmp (p, "i386", 4) == 0) | |
3566 | { | |
3567 | address_mode = mode_32bit; | |
3568 | priv.orig_sizeflag = AFLAG | DFLAG; | |
3569 | } | |
3570 | else if (strncmp (p, "i8086", 5) == 0) | |
3571 | { | |
3572 | address_mode = mode_16bit; | |
3573 | priv.orig_sizeflag = 0; | |
3574 | } | |
3575 | else if (strncmp (p, "intel", 5) == 0) | |
3576 | { | |
3577 | intel_syntax = 1; | |
3578 | } | |
3579 | else if (strncmp (p, "att", 3) == 0) | |
3580 | { | |
3581 | intel_syntax = 0; | |
3582 | } | |
3583 | else if (strncmp (p, "addr", 4) == 0) | |
3584 | { | |
3585 | if (address_mode == mode_64bit) | |
3586 | { | |
3587 | if (p[4] == '3' && p[5] == '2') | |
3588 | priv.orig_sizeflag &= ~AFLAG; | |
3589 | else if (p[4] == '6' && p[5] == '4') | |
3590 | priv.orig_sizeflag |= AFLAG; | |
3591 | } | |
3592 | else | |
3593 | { | |
3594 | if (p[4] == '1' && p[5] == '6') | |
3595 | priv.orig_sizeflag &= ~AFLAG; | |
3596 | else if (p[4] == '3' && p[5] == '2') | |
3597 | priv.orig_sizeflag |= AFLAG; | |
3598 | } | |
3599 | } | |
3600 | else if (strncmp (p, "data", 4) == 0) | |
3601 | { | |
3602 | if (p[4] == '1' && p[5] == '6') | |
3603 | priv.orig_sizeflag &= ~DFLAG; | |
3604 | else if (p[4] == '3' && p[5] == '2') | |
3605 | priv.orig_sizeflag |= DFLAG; | |
3606 | } | |
3607 | else if (strncmp (p, "suffix", 6) == 0) | |
3608 | priv.orig_sizeflag |= SUFFIX_ALWAYS; | |
3609 | ||
3610 | p = strchr (p, ','); | |
3611 | if (p != NULL) | |
3612 | p++; | |
3613 | } | |
3614 | ||
3615 | if (intel_syntax) | |
3616 | { | |
3617 | names64 = intel_names64; | |
3618 | names32 = intel_names32; | |
3619 | names16 = intel_names16; | |
3620 | names8 = intel_names8; | |
3621 | names8rex = intel_names8rex; | |
3622 | names_seg = intel_names_seg; | |
3623 | index16 = intel_index16; | |
3624 | open_char = '['; | |
3625 | close_char = ']'; | |
3626 | separator_char = '+'; | |
3627 | scale_char = '*'; | |
3628 | } | |
3629 | else | |
3630 | { | |
3631 | names64 = att_names64; | |
3632 | names32 = att_names32; | |
3633 | names16 = att_names16; | |
3634 | names8 = att_names8; | |
3635 | names8rex = att_names8rex; | |
3636 | names_seg = att_names_seg; | |
3637 | index16 = att_index16; | |
3638 | open_char = '('; | |
3639 | close_char = ')'; | |
3640 | separator_char = ','; | |
3641 | scale_char = ','; | |
3642 | } | |
3643 | ||
3644 | /* The output looks better if we put 7 bytes on a line, since that | |
3645 | puts most long word instructions on a single line. */ | |
3646 | info->bytes_per_line = 7; | |
3647 | ||
3648 | info->private_data = &priv; | |
3649 | priv.max_fetched = priv.the_buffer; | |
3650 | priv.insn_start = pc; | |
3651 | ||
3652 | obuf[0] = 0; | |
3653 | for (i = 0; i < MAX_OPERANDS; ++i) | |
3654 | { | |
3655 | op_out[i][0] = 0; | |
3656 | op_index[i] = -1; | |
3657 | } | |
3658 | ||
3659 | the_info = info; | |
3660 | start_pc = pc; | |
3661 | start_codep = priv.the_buffer; | |
3662 | codep = priv.the_buffer; | |
3663 | ||
3664 | if (setjmp (priv.bailout) != 0) | |
3665 | { | |
3666 | const char *name; | |
3667 | ||
3668 | /* Getting here means we tried for data but didn't get it. That | |
3669 | means we have an incomplete instruction of some sort. Just | |
3670 | print the first byte as a prefix or a .byte pseudo-op. */ | |
3671 | if (codep > priv.the_buffer) | |
3672 | { | |
3673 | name = prefix_name (priv.the_buffer[0], priv.orig_sizeflag); | |
3674 | if (name != NULL) | |
3675 | (*info->fprintf_func) (info->stream, "%s", name); | |
3676 | else | |
3677 | { | |
3678 | /* Just print the first byte as a .byte instruction. */ | |
3679 | (*info->fprintf_func) (info->stream, ".byte 0x%x", | |
3680 | (unsigned int) priv.the_buffer[0]); | |
3681 | } | |
3682 | ||
3683 | return 1; | |
3684 | } | |
3685 | ||
3686 | return -1; | |
3687 | } | |
3688 | ||
3689 | obufp = obuf; | |
3690 | ckprefix (); | |
3691 | ||
3692 | insn_codep = codep; | |
3693 | sizeflag = priv.orig_sizeflag; | |
3694 | ||
3695 | fetch_data(info, codep + 1); | |
3696 | two_source_ops = (*codep == 0x62) || (*codep == 0xc8); | |
3697 | ||
3698 | if (((prefixes & PREFIX_FWAIT) | |
3699 | && ((*codep < 0xd8) || (*codep > 0xdf))) | |
3700 | || (rex && rex_used)) | |
3701 | { | |
3702 | const char *name; | |
3703 | ||
3704 | /* fwait not followed by floating point instruction, or rex followed | |
3705 | by other prefixes. Print the first prefix. */ | |
3706 | name = prefix_name (priv.the_buffer[0], priv.orig_sizeflag); | |
3707 | if (name == NULL) | |
3708 | name = INTERNAL_DISASSEMBLER_ERROR; | |
3709 | (*info->fprintf_func) (info->stream, "%s", name); | |
3710 | return 1; | |
3711 | } | |
3712 | ||
3713 | op = 0; | |
3714 | if (*codep == 0x0f) | |
3715 | { | |
3716 | unsigned char threebyte; | |
3717 | fetch_data(info, codep + 2); | |
3718 | threebyte = *++codep; | |
3719 | dp = &dis386_twobyte[threebyte]; | |
3720 | need_modrm = twobyte_has_modrm[*codep]; | |
3721 | uses_DATA_prefix = twobyte_uses_DATA_prefix[*codep]; | |
3722 | uses_REPNZ_prefix = twobyte_uses_REPNZ_prefix[*codep]; | |
3723 | uses_REPZ_prefix = twobyte_uses_REPZ_prefix[*codep]; | |
3724 | uses_LOCK_prefix = (*codep & ~0x02) == 0x20; | |
3725 | codep++; | |
3726 | if (dp->name == NULL && dp->op[0].bytemode == IS_3BYTE_OPCODE) | |
3727 | { | |
3728 | fetch_data(info, codep + 2); | |
3729 | op = *codep++; | |
3730 | switch (threebyte) | |
3731 | { | |
3732 | case 0x38: | |
3733 | uses_DATA_prefix = threebyte_0x38_uses_DATA_prefix[op]; | |
3734 | uses_REPNZ_prefix = threebyte_0x38_uses_REPNZ_prefix[op]; | |
3735 | uses_REPZ_prefix = threebyte_0x38_uses_REPZ_prefix[op]; | |
3736 | break; | |
3737 | case 0x3a: | |
3738 | uses_DATA_prefix = threebyte_0x3a_uses_DATA_prefix[op]; | |
3739 | uses_REPNZ_prefix = threebyte_0x3a_uses_REPNZ_prefix[op]; | |
3740 | uses_REPZ_prefix = threebyte_0x3a_uses_REPZ_prefix[op]; | |
3741 | break; | |
3742 | default: | |
3743 | break; | |
3744 | } | |
3745 | } | |
3746 | } | |
3747 | else | |
3748 | { | |
3749 | dp = &dis386[*codep]; | |
3750 | need_modrm = onebyte_has_modrm[*codep]; | |
3751 | uses_DATA_prefix = 0; | |
3752 | uses_REPNZ_prefix = 0; | |
3753 | /* pause is 0xf3 0x90. */ | |
3754 | uses_REPZ_prefix = *codep == 0x90; | |
3755 | uses_LOCK_prefix = 0; | |
3756 | codep++; | |
3757 | } | |
3758 | ||
3759 | if (!uses_REPZ_prefix && (prefixes & PREFIX_REPZ)) | |
3760 | { | |
3761 | oappend ("repz "); | |
3762 | used_prefixes |= PREFIX_REPZ; | |
3763 | } | |
3764 | if (!uses_REPNZ_prefix && (prefixes & PREFIX_REPNZ)) | |
3765 | { | |
3766 | oappend ("repnz "); | |
3767 | used_prefixes |= PREFIX_REPNZ; | |
3768 | } | |
3769 | ||
3770 | if (!uses_LOCK_prefix && (prefixes & PREFIX_LOCK)) | |
3771 | { | |
3772 | oappend ("lock "); | |
3773 | used_prefixes |= PREFIX_LOCK; | |
3774 | } | |
3775 | ||
3776 | if (prefixes & PREFIX_ADDR) | |
3777 | { | |
3778 | sizeflag ^= AFLAG; | |
3779 | if (dp->op[2].bytemode != loop_jcxz_mode || intel_syntax) | |
3780 | { | |
3781 | if ((sizeflag & AFLAG) || address_mode == mode_64bit) | |
3782 | oappend ("addr32 "); | |
3783 | else | |
3784 | oappend ("addr16 "); | |
3785 | used_prefixes |= PREFIX_ADDR; | |
3786 | } | |
3787 | } | |
3788 | ||
3789 | if (!uses_DATA_prefix && (prefixes & PREFIX_DATA)) | |
3790 | { | |
3791 | sizeflag ^= DFLAG; | |
3792 | if (dp->op[2].bytemode == cond_jump_mode | |
3793 | && dp->op[0].bytemode == v_mode | |
3794 | && !intel_syntax) | |
3795 | { | |
3796 | if (sizeflag & DFLAG) | |
3797 | oappend ("data32 "); | |
3798 | else | |
3799 | oappend ("data16 "); | |
3800 | used_prefixes |= PREFIX_DATA; | |
3801 | } | |
3802 | } | |
3803 | ||
3804 | if (dp->name == NULL && dp->op[0].bytemode == IS_3BYTE_OPCODE) | |
3805 | { | |
3806 | dp = &three_byte_table[dp->op[1].bytemode][op]; | |
3807 | modrm.mod = (*codep >> 6) & 3; | |
3808 | modrm.reg = (*codep >> 3) & 7; | |
3809 | modrm.rm = *codep & 7; | |
3810 | } | |
3811 | else if (need_modrm) | |
3812 | { | |
3813 | fetch_data(info, codep + 1); | |
3814 | modrm.mod = (*codep >> 6) & 3; | |
3815 | modrm.reg = (*codep >> 3) & 7; | |
3816 | modrm.rm = *codep & 7; | |
3817 | } | |
3818 | ||
3819 | if (dp->name == NULL && dp->op[0].bytemode == FLOATCODE) | |
3820 | { | |
3821 | dofloat (sizeflag); | |
3822 | } | |
3823 | else | |
3824 | { | |
3825 | int index; | |
3826 | if (dp->name == NULL) | |
3827 | { | |
3828 | switch (dp->op[0].bytemode) | |
3829 | { | |
3830 | case USE_GROUPS: | |
3831 | dp = &grps[dp->op[1].bytemode][modrm.reg]; | |
3832 | break; | |
3833 | ||
3834 | case USE_PREFIX_USER_TABLE: | |
3835 | index = 0; | |
3836 | used_prefixes |= (prefixes & PREFIX_REPZ); | |
3837 | if (prefixes & PREFIX_REPZ) | |
3838 | index = 1; | |
3839 | else | |
3840 | { | |
3841 | /* We should check PREFIX_REPNZ and PREFIX_REPZ | |
3842 | before PREFIX_DATA. */ | |
3843 | used_prefixes |= (prefixes & PREFIX_REPNZ); | |
3844 | if (prefixes & PREFIX_REPNZ) | |
3845 | index = 3; | |
3846 | else | |
3847 | { | |
3848 | used_prefixes |= (prefixes & PREFIX_DATA); | |
3849 | if (prefixes & PREFIX_DATA) | |
3850 | index = 2; | |
3851 | } | |
3852 | } | |
3853 | dp = &prefix_user_table[dp->op[1].bytemode][index]; | |
3854 | break; | |
3855 | ||
3856 | case X86_64_SPECIAL: | |
3857 | index = address_mode == mode_64bit ? 1 : 0; | |
3858 | dp = &x86_64_table[dp->op[1].bytemode][index]; | |
3859 | break; | |
3860 | ||
3861 | default: | |
3862 | oappend (INTERNAL_DISASSEMBLER_ERROR); | |
3863 | break; | |
3864 | } | |
3865 | } | |
3866 | ||
3867 | if (putop (dp->name, sizeflag) == 0) | |
3868 | { | |
3869 | for (i = 0; i < MAX_OPERANDS; ++i) | |
3870 | { | |
3871 | obufp = op_out[i]; | |
3872 | op_ad = MAX_OPERANDS - 1 - i; | |
3873 | if (dp->op[i].rtn) | |
3874 | (*dp->op[i].rtn) (dp->op[i].bytemode, sizeflag); | |
3875 | } | |
3876 | } | |
3877 | } | |
3878 | ||
3879 | /* See if any prefixes were not used. If so, print the first one | |
3880 | separately. If we don't do this, we'll wind up printing an | |
3881 | instruction stream which does not precisely correspond to the | |
3882 | bytes we are disassembling. */ | |
3883 | if ((prefixes & ~used_prefixes) != 0) | |
3884 | { | |
3885 | const char *name; | |
3886 | ||
3887 | name = prefix_name (priv.the_buffer[0], priv.orig_sizeflag); | |
3888 | if (name == NULL) | |
3889 | name = INTERNAL_DISASSEMBLER_ERROR; | |
3890 | (*info->fprintf_func) (info->stream, "%s", name); | |
3891 | return 1; | |
3892 | } | |
3893 | if (rex & ~rex_used) | |
3894 | { | |
3895 | const char *name; | |
3896 | name = prefix_name (rex | 0x40, priv.orig_sizeflag); | |
3897 | if (name == NULL) | |
3898 | name = INTERNAL_DISASSEMBLER_ERROR; | |
3899 | (*info->fprintf_func) (info->stream, "%s ", name); | |
3900 | } | |
3901 | ||
3902 | obufp = obuf + strlen (obuf); | |
3903 | for (i = strlen (obuf); i < 6; i++) | |
3904 | oappend (" "); | |
3905 | oappend (" "); | |
3906 | (*info->fprintf_func) (info->stream, "%s", obuf); | |
3907 | ||
3908 | /* The enter and bound instructions are printed with operands in the same | |
3909 | order as the intel book; everything else is printed in reverse order. */ | |
3910 | if (intel_syntax || two_source_ops) | |
3911 | { | |
3912 | bfd_vma riprel; | |
3913 | ||
3914 | for (i = 0; i < MAX_OPERANDS; ++i) | |
3915 | op_txt[i] = op_out[i]; | |
3916 | ||
3917 | for (i = 0; i < (MAX_OPERANDS >> 1); ++i) | |
3918 | { | |
3919 | op_ad = op_index[i]; | |
3920 | op_index[i] = op_index[MAX_OPERANDS - 1 - i]; | |
3921 | op_index[MAX_OPERANDS - 1 - i] = op_ad; | |
3922 | riprel = op_riprel[i]; | |
3923 | op_riprel[i] = op_riprel [MAX_OPERANDS - 1 - i]; | |
3924 | op_riprel[MAX_OPERANDS - 1 - i] = riprel; | |
3925 | } | |
3926 | } | |
3927 | else | |
3928 | { | |
3929 | for (i = 0; i < MAX_OPERANDS; ++i) | |
3930 | op_txt[MAX_OPERANDS - 1 - i] = op_out[i]; | |
3931 | } | |
3932 | ||
3933 | needcomma = 0; | |
3934 | for (i = 0; i < MAX_OPERANDS; ++i) | |
3935 | if (*op_txt[i]) | |
3936 | { | |
3937 | if (needcomma) | |
3938 | (*info->fprintf_func) (info->stream, ","); | |
3939 | if (op_index[i] != -1 && !op_riprel[i]) | |
3940 | (*info->print_address_func) ((bfd_vma) op_address[op_index[i]], info); | |
3941 | else | |
3942 | (*info->fprintf_func) (info->stream, "%s", op_txt[i]); | |
3943 | needcomma = 1; | |
3944 | } | |
3945 | ||
3946 | for (i = 0; i < MAX_OPERANDS; i++) | |
3947 | if (op_index[i] != -1 && op_riprel[i]) | |
3948 | { | |
3949 | (*info->fprintf_func) (info->stream, " # "); | |
3950 | (*info->print_address_func) ((bfd_vma) (start_pc + codep - start_codep | |
3951 | + op_address[op_index[i]]), info); | |
3952 | break; | |
3953 | } | |
3954 | return codep - priv.the_buffer; | |
3955 | } | |
3956 | ||
3957 | static const char *float_mem[] = { | |
3958 | /* d8 */ | |
3959 | "fadd{s||s|}", | |
3960 | "fmul{s||s|}", | |
3961 | "fcom{s||s|}", | |
3962 | "fcomp{s||s|}", | |
3963 | "fsub{s||s|}", | |
3964 | "fsubr{s||s|}", | |
3965 | "fdiv{s||s|}", | |
3966 | "fdivr{s||s|}", | |
3967 | /* d9 */ | |
3968 | "fld{s||s|}", | |
3969 | "(bad)", | |
3970 | "fst{s||s|}", | |
3971 | "fstp{s||s|}", | |
3972 | "fldenvIC", | |
3973 | "fldcw", | |
3974 | "fNstenvIC", | |
3975 | "fNstcw", | |
3976 | /* da */ | |
3977 | "fiadd{l||l|}", | |
3978 | "fimul{l||l|}", | |
3979 | "ficom{l||l|}", | |
3980 | "ficomp{l||l|}", | |
3981 | "fisub{l||l|}", | |
3982 | "fisubr{l||l|}", | |
3983 | "fidiv{l||l|}", | |
3984 | "fidivr{l||l|}", | |
3985 | /* db */ | |
3986 | "fild{l||l|}", | |
3987 | "fisttp{l||l|}", | |
3988 | "fist{l||l|}", | |
3989 | "fistp{l||l|}", | |
3990 | "(bad)", | |
3991 | "fld{t||t|}", | |
3992 | "(bad)", | |
3993 | "fstp{t||t|}", | |
3994 | /* dc */ | |
3995 | "fadd{l||l|}", | |
3996 | "fmul{l||l|}", | |
3997 | "fcom{l||l|}", | |
3998 | "fcomp{l||l|}", | |
3999 | "fsub{l||l|}", | |
4000 | "fsubr{l||l|}", | |
4001 | "fdiv{l||l|}", | |
4002 | "fdivr{l||l|}", | |
4003 | /* dd */ | |
4004 | "fld{l||l|}", | |
4005 | "fisttp{ll||ll|}", | |
4006 | "fst{l||l|}", | |
4007 | "fstp{l||l|}", | |
4008 | "frstorIC", | |
4009 | "(bad)", | |
4010 | "fNsaveIC", | |
4011 | "fNstsw", | |
4012 | /* de */ | |
4013 | "fiadd", | |
4014 | "fimul", | |
4015 | "ficom", | |
4016 | "ficomp", | |
4017 | "fisub", | |
4018 | "fisubr", | |
4019 | "fidiv", | |
4020 | "fidivr", | |
4021 | /* df */ | |
4022 | "fild", | |
4023 | "fisttp", | |
4024 | "fist", | |
4025 | "fistp", | |
4026 | "fbld", | |
4027 | "fild{ll||ll|}", | |
4028 | "fbstp", | |
4029 | "fistp{ll||ll|}", | |
4030 | }; | |
4031 | ||
4032 | static const unsigned char float_mem_mode[] = { | |
4033 | /* d8 */ | |
4034 | d_mode, | |
4035 | d_mode, | |
4036 | d_mode, | |
4037 | d_mode, | |
4038 | d_mode, | |
4039 | d_mode, | |
4040 | d_mode, | |
4041 | d_mode, | |
4042 | /* d9 */ | |
4043 | d_mode, | |
4044 | 0, | |
4045 | d_mode, | |
4046 | d_mode, | |
4047 | 0, | |
4048 | w_mode, | |
4049 | 0, | |
4050 | w_mode, | |
4051 | /* da */ | |
4052 | d_mode, | |
4053 | d_mode, | |
4054 | d_mode, | |
4055 | d_mode, | |
4056 | d_mode, | |
4057 | d_mode, | |
4058 | d_mode, | |
4059 | d_mode, | |
4060 | /* db */ | |
4061 | d_mode, | |
4062 | d_mode, | |
4063 | d_mode, | |
4064 | d_mode, | |
4065 | 0, | |
4066 | t_mode, | |
4067 | 0, | |
4068 | t_mode, | |
4069 | /* dc */ | |
4070 | q_mode, | |
4071 | q_mode, | |
4072 | q_mode, | |
4073 | q_mode, | |
4074 | q_mode, | |
4075 | q_mode, | |
4076 | q_mode, | |
4077 | q_mode, | |
4078 | /* dd */ | |
4079 | q_mode, | |
4080 | q_mode, | |
4081 | q_mode, | |
4082 | q_mode, | |
4083 | 0, | |
4084 | 0, | |
4085 | 0, | |
4086 | w_mode, | |
4087 | /* de */ | |
4088 | w_mode, | |
4089 | w_mode, | |
4090 | w_mode, | |
4091 | w_mode, | |
4092 | w_mode, | |
4093 | w_mode, | |
4094 | w_mode, | |
4095 | w_mode, | |
4096 | /* df */ | |
4097 | w_mode, | |
4098 | w_mode, | |
4099 | w_mode, | |
4100 | w_mode, | |
4101 | t_mode, | |
4102 | q_mode, | |
4103 | t_mode, | |
4104 | q_mode | |
4105 | }; | |
4106 | ||
4107 | #define ST { OP_ST, 0 } | |
4108 | #define STi { OP_STi, 0 } | |
4109 | ||
4110 | #define FGRPd9_2 NULL, { { NULL, 0 } } | |
4111 | #define FGRPd9_4 NULL, { { NULL, 1 } } | |
4112 | #define FGRPd9_5 NULL, { { NULL, 2 } } | |
4113 | #define FGRPd9_6 NULL, { { NULL, 3 } } | |
4114 | #define FGRPd9_7 NULL, { { NULL, 4 } } | |
4115 | #define FGRPda_5 NULL, { { NULL, 5 } } | |
4116 | #define FGRPdb_4 NULL, { { NULL, 6 } } | |
4117 | #define FGRPde_3 NULL, { { NULL, 7 } } | |
4118 | #define FGRPdf_4 NULL, { { NULL, 8 } } | |
4119 | ||
4120 | static const struct dis386 float_reg[][8] = { | |
4121 | /* d8 */ | |
4122 | { | |
4123 | { "fadd", { ST, STi } }, | |
4124 | { "fmul", { ST, STi } }, | |
4125 | { "fcom", { STi } }, | |
4126 | { "fcomp", { STi } }, | |
4127 | { "fsub", { ST, STi } }, | |
4128 | { "fsubr", { ST, STi } }, | |
4129 | { "fdiv", { ST, STi } }, | |
4130 | { "fdivr", { ST, STi } }, | |
4131 | }, | |
4132 | /* d9 */ | |
4133 | { | |
4134 | { "fld", { STi } }, | |
4135 | { "fxch", { STi } }, | |
4136 | { FGRPd9_2 }, | |
4137 | { "(bad)", { XX } }, | |
4138 | { FGRPd9_4 }, | |
4139 | { FGRPd9_5 }, | |
4140 | { FGRPd9_6 }, | |
4141 | { FGRPd9_7 }, | |
4142 | }, | |
4143 | /* da */ | |
4144 | { | |
4145 | { "fcmovb", { ST, STi } }, | |
4146 | { "fcmove", { ST, STi } }, | |
4147 | { "fcmovbe",{ ST, STi } }, | |
4148 | { "fcmovu", { ST, STi } }, | |
4149 | { "(bad)", { XX } }, | |
4150 | { FGRPda_5 }, | |
4151 | { "(bad)", { XX } }, | |
4152 | { "(bad)", { XX } }, | |
4153 | }, | |
4154 | /* db */ | |
4155 | { | |
4156 | { "fcmovnb",{ ST, STi } }, | |
4157 | { "fcmovne",{ ST, STi } }, | |
4158 | { "fcmovnbe",{ ST, STi } }, | |
4159 | { "fcmovnu",{ ST, STi } }, | |
4160 | { FGRPdb_4 }, | |
4161 | { "fucomi", { ST, STi } }, | |
4162 | { "fcomi", { ST, STi } }, | |
4163 | { "(bad)", { XX } }, | |
4164 | }, | |
4165 | /* dc */ | |
4166 | { | |
4167 | { "fadd", { STi, ST } }, | |
4168 | { "fmul", { STi, ST } }, | |
4169 | { "(bad)", { XX } }, | |
4170 | { "(bad)", { XX } }, | |
4171 | #if SYSV386_COMPAT | |
4172 | { "fsub", { STi, ST } }, | |
4173 | { "fsubr", { STi, ST } }, | |
4174 | { "fdiv", { STi, ST } }, | |
4175 | { "fdivr", { STi, ST } }, | |
4176 | #else | |
4177 | { "fsubr", { STi, ST } }, | |
4178 | { "fsub", { STi, ST } }, | |
4179 | { "fdivr", { STi, ST } }, | |
4180 | { "fdiv", { STi, ST } }, | |
4181 | #endif | |
4182 | }, | |
4183 | /* dd */ | |
4184 | { | |
4185 | { "ffree", { STi } }, | |
4186 | { "(bad)", { XX } }, | |
4187 | { "fst", { STi } }, | |
4188 | { "fstp", { STi } }, | |
4189 | { "fucom", { STi } }, | |
4190 | { "fucomp", { STi } }, | |
4191 | { "(bad)", { XX } }, | |
4192 | { "(bad)", { XX } }, | |
4193 | }, | |
4194 | /* de */ | |
4195 | { | |
4196 | { "faddp", { STi, ST } }, | |
4197 | { "fmulp", { STi, ST } }, | |
4198 | { "(bad)", { XX } }, | |
4199 | { FGRPde_3 }, | |
4200 | #if SYSV386_COMPAT | |
4201 | { "fsubp", { STi, ST } }, | |
4202 | { "fsubrp", { STi, ST } }, | |
4203 | { "fdivp", { STi, ST } }, | |
4204 | { "fdivrp", { STi, ST } }, | |
4205 | #else | |
4206 | { "fsubrp", { STi, ST } }, | |
4207 | { "fsubp", { STi, ST } }, | |
4208 | { "fdivrp", { STi, ST } }, | |
4209 | { "fdivp", { STi, ST } }, | |
4210 | #endif | |
4211 | }, | |
4212 | /* df */ | |
4213 | { | |
4214 | { "ffreep", { STi } }, | |
4215 | { "(bad)", { XX } }, | |
4216 | { "(bad)", { XX } }, | |
4217 | { "(bad)", { XX } }, | |
4218 | { FGRPdf_4 }, | |
4219 | { "fucomip", { ST, STi } }, | |
4220 | { "fcomip", { ST, STi } }, | |
4221 | { "(bad)", { XX } }, | |
4222 | }, | |
4223 | }; | |
4224 | ||
4225 | static const char *fgrps[][8] = { | |
4226 | /* d9_2 0 */ | |
4227 | { | |
4228 | "fnop","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)", | |
4229 | }, | |
4230 | ||
4231 | /* d9_4 1 */ | |
4232 | { | |
4233 | "fchs","fabs","(bad)","(bad)","ftst","fxam","(bad)","(bad)", | |
4234 | }, | |
4235 | ||
4236 | /* d9_5 2 */ | |
4237 | { | |
4238 | "fld1","fldl2t","fldl2e","fldpi","fldlg2","fldln2","fldz","(bad)", | |
4239 | }, | |
4240 | ||
4241 | /* d9_6 3 */ | |
4242 | { | |
4243 | "f2xm1","fyl2x","fptan","fpatan","fxtract","fprem1","fdecstp","fincstp", | |
4244 | }, | |
4245 | ||
4246 | /* d9_7 4 */ | |
4247 | { | |
4248 | "fprem","fyl2xp1","fsqrt","fsincos","frndint","fscale","fsin","fcos", | |
4249 | }, | |
4250 | ||
4251 | /* da_5 5 */ | |
4252 | { | |
4253 | "(bad)","fucompp","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)", | |
4254 | }, | |
4255 | ||
4256 | /* db_4 6 */ | |
4257 | { | |
4258 | "feni(287 only)","fdisi(287 only)","fNclex","fNinit", | |
4259 | "fNsetpm(287 only)","(bad)","(bad)","(bad)", | |
4260 | }, | |
4261 | ||
4262 | /* de_3 7 */ | |
4263 | { | |
4264 | "(bad)","fcompp","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)", | |
4265 | }, | |
4266 | ||
4267 | /* df_4 8 */ | |
4268 | { | |
4269 | "fNstsw","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)", | |
4270 | }, | |
4271 | }; | |
4272 | ||
4273 | static void | |
4274 | dofloat (int sizeflag) | |
4275 | { | |
4276 | const struct dis386 *dp; | |
4277 | unsigned char floatop; | |
4278 | ||
4279 | floatop = codep[-1]; | |
4280 | ||
4281 | if (modrm.mod != 3) | |
4282 | { | |
4283 | int fp_indx = (floatop - 0xd8) * 8 + modrm.reg; | |
4284 | ||
4285 | putop (float_mem[fp_indx], sizeflag); | |
4286 | obufp = op_out[0]; | |
4287 | op_ad = 2; | |
4288 | OP_E (float_mem_mode[fp_indx], sizeflag); | |
4289 | return; | |
4290 | } | |
4291 | /* Skip mod/rm byte. */ | |
4292 | MODRM_CHECK; | |
4293 | codep++; | |
4294 | ||
4295 | dp = &float_reg[floatop - 0xd8][modrm.reg]; | |
4296 | if (dp->name == NULL) | |
4297 | { | |
4298 | putop (fgrps[dp->op[0].bytemode][modrm.rm], sizeflag); | |
4299 | ||
4300 | /* Instruction fnstsw is only one with strange arg. */ | |
4301 | if (floatop == 0xdf && codep[-1] == 0xe0) | |
4302 | pstrcpy (op_out[0], sizeof(op_out[0]), names16[0]); | |
4303 | } | |
4304 | else | |
4305 | { | |
4306 | putop (dp->name, sizeflag); | |
4307 | ||
4308 | obufp = op_out[0]; | |
4309 | op_ad = 2; | |
4310 | if (dp->op[0].rtn) | |
4311 | (*dp->op[0].rtn) (dp->op[0].bytemode, sizeflag); | |
4312 | ||
4313 | obufp = op_out[1]; | |
4314 | op_ad = 1; | |
4315 | if (dp->op[1].rtn) | |
4316 | (*dp->op[1].rtn) (dp->op[1].bytemode, sizeflag); | |
4317 | } | |
4318 | } | |
4319 | ||
4320 | static void | |
4321 | OP_ST (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) | |
4322 | { | |
4323 | oappend ("%st" + intel_syntax); | |
4324 | } | |
4325 | ||
4326 | static void | |
4327 | OP_STi (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) | |
4328 | { | |
4329 | snprintf (scratchbuf, sizeof(scratchbuf), "%%st(%d)", modrm.rm); | |
4330 | oappend (scratchbuf + intel_syntax); | |
4331 | } | |
4332 | ||
4333 | /* Capital letters in template are macros. */ | |
4334 | static int | |
4335 | putop (const char *template, int sizeflag) | |
4336 | { | |
4337 | const char *p; | |
4338 | int alt = 0; | |
4339 | ||
4340 | for (p = template; *p; p++) | |
4341 | { | |
4342 | switch (*p) | |
4343 | { | |
4344 | default: | |
4345 | *obufp++ = *p; | |
4346 | break; | |
4347 | case '{': | |
4348 | alt = 0; | |
4349 | if (intel_syntax) | |
4350 | alt += 1; | |
4351 | if (address_mode == mode_64bit) | |
4352 | alt += 2; | |
4353 | while (alt != 0) | |
4354 | { | |
4355 | while (*++p != '|') | |
4356 | { | |
4357 | if (*p == '}') | |
4358 | { | |
4359 | /* Alternative not valid. */ | |
4360 | pstrcpy (obuf, sizeof(obuf), "(bad)"); | |
4361 | obufp = obuf + 5; | |
4362 | return 1; | |
4363 | } | |
4364 | else if (*p == '\0') | |
4365 | abort (); | |
4366 | } | |
4367 | alt--; | |
4368 | } | |
4369 | /* Fall through. */ | |
4370 | case 'I': | |
4371 | alt = 1; | |
4372 | continue; | |
4373 | case '|': | |
4374 | while (*++p != '}') | |
4375 | { | |
4376 | if (*p == '\0') | |
4377 | abort (); | |
4378 | } | |
4379 | break; | |
4380 | case '}': | |
4381 | break; | |
4382 | case 'A': | |
4383 | if (intel_syntax) | |
4384 | break; | |
4385 | if (modrm.mod != 3 || (sizeflag & SUFFIX_ALWAYS)) | |
4386 | *obufp++ = 'b'; | |
4387 | break; | |
4388 | case 'B': | |
4389 | if (intel_syntax) | |
4390 | break; | |
4391 | if (sizeflag & SUFFIX_ALWAYS) | |
4392 | *obufp++ = 'b'; | |
4393 | break; | |
4394 | case 'C': | |
4395 | if (intel_syntax && !alt) | |
4396 | break; | |
4397 | if ((prefixes & PREFIX_DATA) || (sizeflag & SUFFIX_ALWAYS)) | |
4398 | { | |
4399 | if (sizeflag & DFLAG) | |
4400 | *obufp++ = intel_syntax ? 'd' : 'l'; | |
4401 | else | |
4402 | *obufp++ = intel_syntax ? 'w' : 's'; | |
4403 | used_prefixes |= (prefixes & PREFIX_DATA); | |
4404 | } | |
4405 | break; | |
4406 | case 'D': | |
4407 | if (intel_syntax || !(sizeflag & SUFFIX_ALWAYS)) | |
4408 | break; | |
4409 | USED_REX (REX_W); | |
4410 | if (modrm.mod == 3) | |
4411 | { | |
4412 | if (rex & REX_W) | |
4413 | *obufp++ = 'q'; | |
4414 | else if (sizeflag & DFLAG) | |
4415 | *obufp++ = intel_syntax ? 'd' : 'l'; | |
4416 | else | |
4417 | *obufp++ = 'w'; | |
4418 | used_prefixes |= (prefixes & PREFIX_DATA); | |
4419 | } | |
4420 | else | |
4421 | *obufp++ = 'w'; | |
4422 | break; | |
4423 | case 'E': /* For jcxz/jecxz */ | |
4424 | if (address_mode == mode_64bit) | |
4425 | { | |
4426 | if (sizeflag & AFLAG) | |
4427 | *obufp++ = 'r'; | |
4428 | else | |
4429 | *obufp++ = 'e'; | |
4430 | } | |
4431 | else | |
4432 | if (sizeflag & AFLAG) | |
4433 | *obufp++ = 'e'; | |
4434 | used_prefixes |= (prefixes & PREFIX_ADDR); | |
4435 | break; | |
4436 | case 'F': | |
4437 | if (intel_syntax) | |
4438 | break; | |
4439 | if ((prefixes & PREFIX_ADDR) || (sizeflag & SUFFIX_ALWAYS)) | |
4440 | { | |
4441 | if (sizeflag & AFLAG) | |
4442 | *obufp++ = address_mode == mode_64bit ? 'q' : 'l'; | |
4443 | else | |
4444 | *obufp++ = address_mode == mode_64bit ? 'l' : 'w'; | |
4445 | used_prefixes |= (prefixes & PREFIX_ADDR); | |
4446 | } | |
4447 | break; | |
4448 | case 'G': | |
4449 | if (intel_syntax || (obufp[-1] != 's' && !(sizeflag & SUFFIX_ALWAYS))) | |
4450 | break; | |
4451 | if ((rex & REX_W) || (sizeflag & DFLAG)) | |
4452 | *obufp++ = 'l'; | |
4453 | else | |
4454 | *obufp++ = 'w'; | |
4455 | if (!(rex & REX_W)) | |
4456 | used_prefixes |= (prefixes & PREFIX_DATA); | |
4457 | break; | |
4458 | case 'H': | |
4459 | if (intel_syntax) | |
4460 | break; | |
4461 | if ((prefixes & (PREFIX_CS | PREFIX_DS)) == PREFIX_CS | |
4462 | || (prefixes & (PREFIX_CS | PREFIX_DS)) == PREFIX_DS) | |
4463 | { | |
4464 | used_prefixes |= prefixes & (PREFIX_CS | PREFIX_DS); | |
4465 | *obufp++ = ','; | |
4466 | *obufp++ = 'p'; | |
4467 | if (prefixes & PREFIX_DS) | |
4468 | *obufp++ = 't'; | |
4469 | else | |
4470 | *obufp++ = 'n'; | |
4471 | } | |
4472 | break; | |
4473 | case 'J': | |
4474 | if (intel_syntax) | |
4475 | break; | |
4476 | *obufp++ = 'l'; | |
4477 | break; | |
4478 | case 'K': | |
4479 | USED_REX (REX_W); | |
4480 | if (rex & REX_W) | |
4481 | *obufp++ = 'q'; | |
4482 | else | |
4483 | *obufp++ = 'd'; | |
4484 | break; | |
4485 | case 'Z': | |
4486 | if (intel_syntax) | |
4487 | break; | |
4488 | if (address_mode == mode_64bit && (sizeflag & SUFFIX_ALWAYS)) | |
4489 | { | |
4490 | *obufp++ = 'q'; | |
4491 | break; | |
4492 | } | |
4493 | /* Fall through. */ | |
4494 | case 'L': | |
4495 | if (intel_syntax) | |
4496 | break; | |
4497 | if (sizeflag & SUFFIX_ALWAYS) | |
4498 | *obufp++ = 'l'; | |
4499 | break; | |
4500 | case 'N': | |
4501 | if ((prefixes & PREFIX_FWAIT) == 0) | |
4502 | *obufp++ = 'n'; | |
4503 | else | |
4504 | used_prefixes |= PREFIX_FWAIT; | |
4505 | break; | |
4506 | case 'O': | |
4507 | USED_REX (REX_W); | |
4508 | if (rex & REX_W) | |
4509 | *obufp++ = 'o'; | |
4510 | else if (intel_syntax && (sizeflag & DFLAG)) | |
4511 | *obufp++ = 'q'; | |
4512 | else | |
4513 | *obufp++ = 'd'; | |
4514 | if (!(rex & REX_W)) | |
4515 | used_prefixes |= (prefixes & PREFIX_DATA); | |
4516 | break; | |
4517 | case 'T': | |
4518 | if (intel_syntax) | |
4519 | break; | |
4520 | if (address_mode == mode_64bit && (sizeflag & DFLAG)) | |
4521 | { | |
4522 | *obufp++ = 'q'; | |
4523 | break; | |
4524 | } | |
4525 | /* Fall through. */ | |
4526 | case 'P': | |
4527 | if (intel_syntax) | |
4528 | break; | |
4529 | if ((prefixes & PREFIX_DATA) | |
4530 | || (rex & REX_W) | |
4531 | || (sizeflag & SUFFIX_ALWAYS)) | |
4532 | { | |
4533 | USED_REX (REX_W); | |
4534 | if (rex & REX_W) | |
4535 | *obufp++ = 'q'; | |
4536 | else | |
4537 | { | |
4538 | if (sizeflag & DFLAG) | |
4539 | *obufp++ = 'l'; | |
4540 | else | |
4541 | *obufp++ = 'w'; | |
4542 | } | |
4543 | used_prefixes |= (prefixes & PREFIX_DATA); | |
4544 | } | |
4545 | break; | |
4546 | case 'U': | |
4547 | if (intel_syntax) | |
4548 | break; | |
4549 | if (address_mode == mode_64bit && (sizeflag & DFLAG)) | |
4550 | { | |
4551 | if (modrm.mod != 3 || (sizeflag & SUFFIX_ALWAYS)) | |
4552 | *obufp++ = 'q'; | |
4553 | break; | |
4554 | } | |
4555 | /* Fall through. */ | |
4556 | case 'Q': | |
4557 | if (intel_syntax && !alt) | |
4558 | break; | |
4559 | USED_REX (REX_W); | |
4560 | if (modrm.mod != 3 || (sizeflag & SUFFIX_ALWAYS)) | |
4561 | { | |
4562 | if (rex & REX_W) | |
4563 | *obufp++ = 'q'; | |
4564 | else | |
4565 | { | |
4566 | if (sizeflag & DFLAG) | |
4567 | *obufp++ = intel_syntax ? 'd' : 'l'; | |
4568 | else | |
4569 | *obufp++ = 'w'; | |
4570 | } | |
4571 | used_prefixes |= (prefixes & PREFIX_DATA); | |
4572 | } | |
4573 | break; | |
4574 | case 'R': | |
4575 | USED_REX (REX_W); | |
4576 | if (rex & REX_W) | |
4577 | *obufp++ = 'q'; | |
4578 | else if (sizeflag & DFLAG) | |
4579 | { | |
4580 | if (intel_syntax) | |
4581 | *obufp++ = 'd'; | |
4582 | else | |
4583 | *obufp++ = 'l'; | |
4584 | } | |
4585 | else | |
4586 | *obufp++ = 'w'; | |
4587 | if (intel_syntax && !p[1] | |
4588 | && ((rex & REX_W) || (sizeflag & DFLAG))) | |
4589 | *obufp++ = 'e'; | |
4590 | if (!(rex & REX_W)) | |
4591 | used_prefixes |= (prefixes & PREFIX_DATA); | |
4592 | break; | |
4593 | case 'V': | |
4594 | if (intel_syntax) | |
4595 | break; | |
4596 | if (address_mode == mode_64bit && (sizeflag & DFLAG)) | |
4597 | { | |
4598 | if (sizeflag & SUFFIX_ALWAYS) | |
4599 | *obufp++ = 'q'; | |
4600 | break; | |
4601 | } | |
4602 | /* Fall through. */ | |
4603 | case 'S': | |
4604 | if (intel_syntax) | |
4605 | break; | |
4606 | if (sizeflag & SUFFIX_ALWAYS) | |
4607 | { | |
4608 | if (rex & REX_W) | |
4609 | *obufp++ = 'q'; | |
4610 | else | |
4611 | { | |
4612 | if (sizeflag & DFLAG) | |
4613 | *obufp++ = 'l'; | |
4614 | else | |
4615 | *obufp++ = 'w'; | |
4616 | used_prefixes |= (prefixes & PREFIX_DATA); | |
4617 | } | |
4618 | } | |
4619 | break; | |
4620 | case 'X': | |
4621 | if (prefixes & PREFIX_DATA) | |
4622 | *obufp++ = 'd'; | |
4623 | else | |
4624 | *obufp++ = 's'; | |
4625 | used_prefixes |= (prefixes & PREFIX_DATA); | |
4626 | break; | |
4627 | case 'Y': | |
4628 | if (intel_syntax) | |
4629 | break; | |
4630 | if (rex & REX_W) | |
4631 | { | |
4632 | USED_REX (REX_W); | |
4633 | *obufp++ = 'q'; | |
4634 | } | |
4635 | break; | |
4636 | /* implicit operand size 'l' for i386 or 'q' for x86-64 */ | |
4637 | case 'W': | |
4638 | /* operand size flag for cwtl, cbtw */ | |
4639 | USED_REX (REX_W); | |
4640 | if (rex & REX_W) | |
4641 | { | |
4642 | if (intel_syntax) | |
4643 | *obufp++ = 'd'; | |
4644 | else | |
4645 | *obufp++ = 'l'; | |
4646 | } | |
4647 | else if (sizeflag & DFLAG) | |
4648 | *obufp++ = 'w'; | |
4649 | else | |
4650 | *obufp++ = 'b'; | |
4651 | if (!(rex & REX_W)) | |
4652 | used_prefixes |= (prefixes & PREFIX_DATA); | |
4653 | break; | |
4654 | } | |
4655 | alt = 0; | |
4656 | } | |
4657 | *obufp = 0; | |
4658 | return 0; | |
4659 | } | |
4660 | ||
4661 | static void | |
4662 | oappend (const char *s) | |
4663 | { | |
4664 | strcpy (obufp, s); | |
4665 | obufp += strlen (s); | |
4666 | } | |
4667 | ||
4668 | static void | |
4669 | append_seg (void) | |
4670 | { | |
4671 | if (prefixes & PREFIX_CS) | |
4672 | { | |
4673 | used_prefixes |= PREFIX_CS; | |
4674 | oappend ("%cs:" + intel_syntax); | |
4675 | } | |
4676 | if (prefixes & PREFIX_DS) | |
4677 | { | |
4678 | used_prefixes |= PREFIX_DS; | |
4679 | oappend ("%ds:" + intel_syntax); | |
4680 | } | |
4681 | if (prefixes & PREFIX_SS) | |
4682 | { | |
4683 | used_prefixes |= PREFIX_SS; | |
4684 | oappend ("%ss:" + intel_syntax); | |
4685 | } | |
4686 | if (prefixes & PREFIX_ES) | |
4687 | { | |
4688 | used_prefixes |= PREFIX_ES; | |
4689 | oappend ("%es:" + intel_syntax); | |
4690 | } | |
4691 | if (prefixes & PREFIX_FS) | |
4692 | { | |
4693 | used_prefixes |= PREFIX_FS; | |
4694 | oappend ("%fs:" + intel_syntax); | |
4695 | } | |
4696 | if (prefixes & PREFIX_GS) | |
4697 | { | |
4698 | used_prefixes |= PREFIX_GS; | |
4699 | oappend ("%gs:" + intel_syntax); | |
4700 | } | |
4701 | } | |
4702 | ||
4703 | static void | |
4704 | OP_indirE (int bytemode, int sizeflag) | |
4705 | { | |
4706 | if (!intel_syntax) | |
4707 | oappend ("*"); | |
4708 | OP_E (bytemode, sizeflag); | |
4709 | } | |
4710 | ||
4711 | static void | |
4712 | print_operand_value (char *buf, size_t bufsize, int hex, bfd_vma disp) | |
4713 | { | |
4714 | if (address_mode == mode_64bit) | |
4715 | { | |
4716 | if (hex) | |
4717 | { | |
4718 | char tmp[30]; | |
4719 | int i; | |
4720 | buf[0] = '0'; | |
4721 | buf[1] = 'x'; | |
4722 | snprintf_vma (tmp, sizeof(tmp), disp); | |
4723 | for (i = 0; tmp[i] == '0' && tmp[i + 1]; i++); | |
4724 | pstrcpy (buf + 2, bufsize - 2, tmp + i); | |
4725 | } | |
4726 | else | |
4727 | { | |
4728 | bfd_signed_vma v = disp; | |
4729 | char tmp[30]; | |
4730 | int i; | |
4731 | if (v < 0) | |
4732 | { | |
4733 | *(buf++) = '-'; | |
4734 | v = -disp; | |
4735 | /* Check for possible overflow on 0x8000000000000000. */ | |
4736 | if (v < 0) | |
4737 | { | |
4738 | pstrcpy (buf, bufsize, "9223372036854775808"); | |
4739 | return; | |
4740 | } | |
4741 | } | |
4742 | if (!v) | |
4743 | { | |
4744 | pstrcpy (buf, bufsize, "0"); | |
4745 | return; | |
4746 | } | |
4747 | ||
4748 | i = 0; | |
4749 | tmp[29] = 0; | |
4750 | while (v) | |
4751 | { | |
4752 | tmp[28 - i] = (v % 10) + '0'; | |
4753 | v /= 10; | |
4754 | i++; | |
4755 | } | |
4756 | pstrcpy (buf, bufsize, tmp + 29 - i); | |
4757 | } | |
4758 | } | |
4759 | else | |
4760 | { | |
4761 | if (hex) | |
4762 | snprintf (buf, bufsize, "0x%x", (unsigned int) disp); | |
4763 | else | |
4764 | snprintf (buf, bufsize, "%d", (int) disp); | |
4765 | } | |
4766 | } | |
4767 | ||
4768 | /* Put DISP in BUF as signed hex number. */ | |
4769 | ||
4770 | static void | |
4771 | print_displacement (char *buf, bfd_vma disp) | |
4772 | { | |
4773 | bfd_signed_vma val = disp; | |
4774 | char tmp[30]; | |
4775 | int i, j = 0; | |
4776 | ||
4777 | if (val < 0) | |
4778 | { | |
4779 | buf[j++] = '-'; | |
4780 | val = -disp; | |
4781 | ||
4782 | /* Check for possible overflow. */ | |
4783 | if (val < 0) | |
4784 | { | |
4785 | switch (address_mode) | |
4786 | { | |
4787 | case mode_64bit: | |
4788 | strcpy (buf + j, "0x8000000000000000"); | |
4789 | break; | |
4790 | case mode_32bit: | |
4791 | strcpy (buf + j, "0x80000000"); | |
4792 | break; | |
4793 | case mode_16bit: | |
4794 | strcpy (buf + j, "0x8000"); | |
4795 | break; | |
4796 | } | |
4797 | return; | |
4798 | } | |
4799 | } | |
4800 | ||
4801 | buf[j++] = '0'; | |
4802 | buf[j++] = 'x'; | |
4803 | ||
4804 | snprintf_vma (tmp, sizeof(tmp), val); | |
4805 | for (i = 0; tmp[i] == '0'; i++) | |
4806 | continue; | |
4807 | if (tmp[i] == '\0') | |
4808 | i--; | |
4809 | strcpy (buf + j, tmp + i); | |
4810 | } | |
4811 | ||
4812 | static void | |
4813 | intel_operand_size (int bytemode, int sizeflag) | |
4814 | { | |
4815 | switch (bytemode) | |
4816 | { | |
4817 | case b_mode: | |
4818 | case dqb_mode: | |
4819 | oappend ("BYTE PTR "); | |
4820 | break; | |
4821 | case w_mode: | |
4822 | case dqw_mode: | |
4823 | oappend ("WORD PTR "); | |
4824 | break; | |
4825 | case stack_v_mode: | |
4826 | if (address_mode == mode_64bit && (sizeflag & DFLAG)) | |
4827 | { | |
4828 | oappend ("QWORD PTR "); | |
4829 | used_prefixes |= (prefixes & PREFIX_DATA); | |
4830 | break; | |
4831 | } | |
4832 | /* FALLTHRU */ | |
4833 | case v_mode: | |
4834 | case dq_mode: | |
4835 | USED_REX (REX_W); | |
4836 | if (rex & REX_W) | |
4837 | oappend ("QWORD PTR "); | |
4838 | else if ((sizeflag & DFLAG) || bytemode == dq_mode) | |
4839 | oappend ("DWORD PTR "); | |
4840 | else | |
4841 | oappend ("WORD PTR "); | |
4842 | used_prefixes |= (prefixes & PREFIX_DATA); | |
4843 | break; | |
4844 | case z_mode: | |
4845 | if ((rex & REX_W) || (sizeflag & DFLAG)) | |
4846 | *obufp++ = 'D'; | |
4847 | oappend ("WORD PTR "); | |
4848 | if (!(rex & REX_W)) | |
4849 | used_prefixes |= (prefixes & PREFIX_DATA); | |
4850 | break; | |
4851 | case d_mode: | |
4852 | case dqd_mode: | |
4853 | oappend ("DWORD PTR "); | |
4854 | break; | |
4855 | case q_mode: | |
4856 | oappend ("QWORD PTR "); | |
4857 | break; | |
4858 | case m_mode: | |
4859 | if (address_mode == mode_64bit) | |
4860 | oappend ("QWORD PTR "); | |
4861 | else | |
4862 | oappend ("DWORD PTR "); | |
4863 | break; | |
4864 | case f_mode: | |
4865 | if (sizeflag & DFLAG) | |
4866 | oappend ("FWORD PTR "); | |
4867 | else | |
4868 | oappend ("DWORD PTR "); | |
4869 | used_prefixes |= (prefixes & PREFIX_DATA); | |
4870 | break; | |
4871 | case t_mode: | |
4872 | oappend ("TBYTE PTR "); | |
4873 | break; | |
4874 | case x_mode: | |
4875 | oappend ("XMMWORD PTR "); | |
4876 | break; | |
4877 | case o_mode: | |
4878 | oappend ("OWORD PTR "); | |
4879 | break; | |
4880 | default: | |
4881 | break; | |
4882 | } | |
4883 | } | |
4884 | ||
4885 | static void | |
4886 | OP_E (int bytemode, int sizeflag) | |
4887 | { | |
4888 | bfd_vma disp; | |
4889 | int add = 0; | |
4890 | int riprel = 0; | |
4891 | USED_REX (REX_B); | |
4892 | if (rex & REX_B) | |
4893 | add += 8; | |
4894 | ||
4895 | /* Skip mod/rm byte. */ | |
4896 | MODRM_CHECK; | |
4897 | codep++; | |
4898 | ||
4899 | if (modrm.mod == 3) | |
4900 | { | |
4901 | switch (bytemode) | |
4902 | { | |
4903 | case b_mode: | |
4904 | USED_REX (0); | |
4905 | if (rex) | |
4906 | oappend (names8rex[modrm.rm + add]); | |
4907 | else | |
4908 | oappend (names8[modrm.rm + add]); | |
4909 | break; | |
4910 | case w_mode: | |
4911 | oappend (names16[modrm.rm + add]); | |
4912 | break; | |
4913 | case d_mode: | |
4914 | oappend (names32[modrm.rm + add]); | |
4915 | break; | |
4916 | case q_mode: | |
4917 | oappend (names64[modrm.rm + add]); | |
4918 | break; | |
4919 | case m_mode: | |
4920 | if (address_mode == mode_64bit) | |
4921 | oappend (names64[modrm.rm + add]); | |
4922 | else | |
4923 | oappend (names32[modrm.rm + add]); | |
4924 | break; | |
4925 | case stack_v_mode: | |
4926 | if (address_mode == mode_64bit && (sizeflag & DFLAG)) | |
4927 | { | |
4928 | oappend (names64[modrm.rm + add]); | |
4929 | used_prefixes |= (prefixes & PREFIX_DATA); | |
4930 | break; | |
4931 | } | |
4932 | bytemode = v_mode; | |
4933 | /* FALLTHRU */ | |
4934 | case v_mode: | |
4935 | case dq_mode: | |
4936 | case dqb_mode: | |
4937 | case dqd_mode: | |
4938 | case dqw_mode: | |
4939 | USED_REX (REX_W); | |
4940 | if (rex & REX_W) | |
4941 | oappend (names64[modrm.rm + add]); | |
4942 | else if ((sizeflag & DFLAG) || bytemode != v_mode) | |
4943 | oappend (names32[modrm.rm + add]); | |
4944 | else | |
4945 | oappend (names16[modrm.rm + add]); | |
4946 | used_prefixes |= (prefixes & PREFIX_DATA); | |
4947 | break; | |
4948 | case 0: | |
4949 | break; | |
4950 | default: | |
4951 | oappend (INTERNAL_DISASSEMBLER_ERROR); | |
4952 | break; | |
4953 | } | |
4954 | return; | |
4955 | } | |
4956 | ||
4957 | disp = 0; | |
4958 | if (intel_syntax) | |
4959 | intel_operand_size (bytemode, sizeflag); | |
4960 | append_seg (); | |
4961 | ||
4962 | if ((sizeflag & AFLAG) || address_mode == mode_64bit) | |
4963 | { | |
4964 | /* 32/64 bit address mode */ | |
4965 | int havedisp; | |
4966 | int havesib; | |
4967 | int havebase; | |
4968 | int base; | |
4969 | int index = 0; | |
4970 | int scale = 0; | |
4971 | ||
4972 | havesib = 0; | |
4973 | havebase = 1; | |
4974 | base = modrm.rm; | |
4975 | ||
4976 | if (base == 4) | |
4977 | { | |
4978 | havesib = 1; | |
4979 | fetch_data(the_info, codep + 1); | |
4980 | index = (*codep >> 3) & 7; | |
4981 | if (address_mode == mode_64bit || index != 0x4) | |
4982 | /* When INDEX == 0x4 in 32 bit mode, SCALE is ignored. */ | |
4983 | scale = (*codep >> 6) & 3; | |
4984 | base = *codep & 7; | |
4985 | USED_REX (REX_X); | |
4986 | if (rex & REX_X) | |
4987 | index += 8; | |
4988 | codep++; | |
4989 | } | |
4990 | base += add; | |
4991 | ||
4992 | switch (modrm.mod) | |
4993 | { | |
4994 | case 0: | |
4995 | if ((base & 7) == 5) | |
4996 | { | |
4997 | havebase = 0; | |
4998 | if (address_mode == mode_64bit && !havesib) | |
4999 | riprel = 1; | |
5000 | disp = get32s (); | |
5001 | } | |
5002 | break; | |
5003 | case 1: | |
5004 | fetch_data (the_info, codep + 1); | |
5005 | disp = *codep++; | |
5006 | if ((disp & 0x80) != 0) | |
5007 | disp -= 0x100; | |
5008 | break; | |
5009 | case 2: | |
5010 | disp = get32s (); | |
5011 | break; | |
5012 | } | |
5013 | ||
5014 | havedisp = havebase || (havesib && (index != 4 || scale != 0)); | |
5015 | ||
5016 | if (!intel_syntax) | |
5017 | if (modrm.mod != 0 || (base & 7) == 5) | |
5018 | { | |
5019 | if (havedisp || riprel) | |
5020 | print_displacement (scratchbuf, disp); | |
5021 | else | |
5022 | print_operand_value (scratchbuf, sizeof(scratchbuf), 1, disp); | |
5023 | oappend (scratchbuf); | |
5024 | if (riprel) | |
5025 | { | |
5026 | set_op (disp, 1); | |
5027 | oappend ("(%rip)"); | |
5028 | } | |
5029 | } | |
5030 | ||
5031 | if (havedisp || (intel_syntax && riprel)) | |
5032 | { | |
5033 | *obufp++ = open_char; | |
5034 | if (intel_syntax && riprel) | |
5035 | { | |
5036 | set_op (disp, 1); | |
5037 | oappend ("rip"); | |
5038 | } | |
5039 | *obufp = '\0'; | |
5040 | if (havebase) | |
5041 | oappend (address_mode == mode_64bit && (sizeflag & AFLAG) | |
5042 | ? names64[base] : names32[base]); | |
5043 | if (havesib) | |
5044 | { | |
5045 | if (index != 4) | |
5046 | { | |
5047 | if (!intel_syntax || havebase) | |
5048 | { | |
5049 | *obufp++ = separator_char; | |
5050 | *obufp = '\0'; | |
5051 | } | |
5052 | oappend (address_mode == mode_64bit && (sizeflag & AFLAG) | |
5053 | ? names64[index] : names32[index]); | |
5054 | } | |
5055 | if (scale != 0 || (!intel_syntax && index != 4)) | |
5056 | { | |
5057 | *obufp++ = scale_char; | |
5058 | *obufp = '\0'; | |
5059 | snprintf (scratchbuf, sizeof(scratchbuf), "%d", 1 << scale); | |
5060 | oappend (scratchbuf); | |
5061 | } | |
5062 | } | |
5063 | if (intel_syntax | |
5064 | && (disp || modrm.mod != 0 || (base & 7) == 5)) | |
5065 | { | |
5066 | if ((bfd_signed_vma) disp >= 0) | |
5067 | { | |
5068 | *obufp++ = '+'; | |
5069 | *obufp = '\0'; | |
5070 | } | |
5071 | else if (modrm.mod != 1) | |
5072 | { | |
5073 | *obufp++ = '-'; | |
5074 | *obufp = '\0'; | |
5075 | disp = - (bfd_signed_vma) disp; | |
5076 | } | |
5077 | ||
5078 | print_displacement (scratchbuf, disp); | |
5079 | oappend (scratchbuf); | |
5080 | } | |
5081 | ||
5082 | *obufp++ = close_char; | |
5083 | *obufp = '\0'; | |
5084 | } | |
5085 | else if (intel_syntax) | |
5086 | { | |
5087 | if (modrm.mod != 0 || (base & 7) == 5) | |
5088 | { | |
5089 | if (prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS | |
5090 | | PREFIX_ES | PREFIX_FS | PREFIX_GS)) | |
5091 | ; | |
5092 | else | |
5093 | { | |
5094 | oappend (names_seg[ds_reg - es_reg]); | |
5095 | oappend (":"); | |
5096 | } | |
5097 | print_operand_value (scratchbuf, sizeof(scratchbuf), 1, disp); | |
5098 | oappend (scratchbuf); | |
5099 | } | |
5100 | } | |
5101 | } | |
5102 | else | |
5103 | { /* 16 bit address mode */ | |
5104 | switch (modrm.mod) | |
5105 | { | |
5106 | case 0: | |
5107 | if (modrm.rm == 6) | |
5108 | { | |
5109 | disp = get16 (); | |
5110 | if ((disp & 0x8000) != 0) | |
5111 | disp -= 0x10000; | |
5112 | } | |
5113 | break; | |
5114 | case 1: | |
5115 | fetch_data(the_info, codep + 1); | |
5116 | disp = *codep++; | |
5117 | if ((disp & 0x80) != 0) | |
5118 | disp -= 0x100; | |
5119 | break; | |
5120 | case 2: | |
5121 | disp = get16 (); | |
5122 | if ((disp & 0x8000) != 0) | |
5123 | disp -= 0x10000; | |
5124 | break; | |
5125 | } | |
5126 | ||
5127 | if (!intel_syntax) | |
5128 | if (modrm.mod != 0 || modrm.rm == 6) | |
5129 | { | |
5130 | print_displacement (scratchbuf, disp); | |
5131 | oappend (scratchbuf); | |
5132 | } | |
5133 | ||
5134 | if (modrm.mod != 0 || modrm.rm != 6) | |
5135 | { | |
5136 | *obufp++ = open_char; | |
5137 | *obufp = '\0'; | |
5138 | oappend (index16[modrm.rm]); | |
5139 | if (intel_syntax | |
5140 | && (disp || modrm.mod != 0 || modrm.rm == 6)) | |
5141 | { | |
5142 | if ((bfd_signed_vma) disp >= 0) | |
5143 | { | |
5144 | *obufp++ = '+'; | |
5145 | *obufp = '\0'; | |
5146 | } | |
5147 | else if (modrm.mod != 1) | |
5148 | { | |
5149 | *obufp++ = '-'; | |
5150 | *obufp = '\0'; | |
5151 | disp = - (bfd_signed_vma) disp; | |
5152 | } | |
5153 | ||
5154 | print_displacement (scratchbuf, disp); | |
5155 | oappend (scratchbuf); | |
5156 | } | |
5157 | ||
5158 | *obufp++ = close_char; | |
5159 | *obufp = '\0'; | |
5160 | } | |
5161 | else if (intel_syntax) | |
5162 | { | |
5163 | if (prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS | |
5164 | | PREFIX_ES | PREFIX_FS | PREFIX_GS)) | |
5165 | ; | |
5166 | else | |
5167 | { | |
5168 | oappend (names_seg[ds_reg - es_reg]); | |
5169 | oappend (":"); | |
5170 | } | |
5171 | print_operand_value (scratchbuf, sizeof(scratchbuf), 1, | |
5172 | disp & 0xffff); | |
5173 | oappend (scratchbuf); | |
5174 | } | |
5175 | } | |
5176 | } | |
5177 | ||
5178 | static void | |
5179 | OP_G (int bytemode, int sizeflag) | |
5180 | { | |
5181 | int add = 0; | |
5182 | USED_REX (REX_R); | |
5183 | if (rex & REX_R) | |
5184 | add += 8; | |
5185 | switch (bytemode) | |
5186 | { | |
5187 | case b_mode: | |
5188 | USED_REX (0); | |
5189 | if (rex) | |
5190 | oappend (names8rex[modrm.reg + add]); | |
5191 | else | |
5192 | oappend (names8[modrm.reg + add]); | |
5193 | break; | |
5194 | case w_mode: | |
5195 | oappend (names16[modrm.reg + add]); | |
5196 | break; | |
5197 | case d_mode: | |
5198 | oappend (names32[modrm.reg + add]); | |
5199 | break; | |
5200 | case q_mode: | |
5201 | oappend (names64[modrm.reg + add]); | |
5202 | break; | |
5203 | case v_mode: | |
5204 | case dq_mode: | |
5205 | case dqb_mode: | |
5206 | case dqd_mode: | |
5207 | case dqw_mode: | |
5208 | USED_REX (REX_W); | |
5209 | if (rex & REX_W) | |
5210 | oappend (names64[modrm.reg + add]); | |
5211 | else if ((sizeflag & DFLAG) || bytemode != v_mode) | |
5212 | oappend (names32[modrm.reg + add]); | |
5213 | else | |
5214 | oappend (names16[modrm.reg + add]); | |
5215 | used_prefixes |= (prefixes & PREFIX_DATA); | |
5216 | break; | |
5217 | case m_mode: | |
5218 | if (address_mode == mode_64bit) | |
5219 | oappend (names64[modrm.reg + add]); | |
5220 | else | |
5221 | oappend (names32[modrm.reg + add]); | |
5222 | break; | |
5223 | default: | |
5224 | oappend (INTERNAL_DISASSEMBLER_ERROR); | |
5225 | break; | |
5226 | } | |
5227 | } | |
5228 | ||
5229 | static bfd_vma | |
5230 | get64 (void) | |
5231 | { | |
5232 | bfd_vma x; | |
5233 | #ifdef BFD64 | |
5234 | unsigned int a; | |
5235 | unsigned int b; | |
5236 | ||
5237 | fetch_data(the_info, codep + 8); | |
5238 | a = *codep++ & 0xff; | |
5239 | a |= (*codep++ & 0xff) << 8; | |
5240 | a |= (*codep++ & 0xff) << 16; | |
5241 | a |= (*codep++ & 0xff) << 24; | |
5242 | b = *codep++ & 0xff; | |
5243 | b |= (*codep++ & 0xff) << 8; | |
5244 | b |= (*codep++ & 0xff) << 16; | |
5245 | b |= (*codep++ & 0xff) << 24; | |
5246 | x = a + ((bfd_vma) b << 32); | |
5247 | #else | |
5248 | abort (); | |
5249 | x = 0; | |
5250 | #endif | |
5251 | return x; | |
5252 | } | |
5253 | ||
5254 | static bfd_signed_vma | |
5255 | get32 (void) | |
5256 | { | |
5257 | bfd_signed_vma x = 0; | |
5258 | ||
5259 | fetch_data(the_info, codep + 4); | |
5260 | x = *codep++ & (bfd_signed_vma) 0xff; | |
5261 | x |= (*codep++ & (bfd_signed_vma) 0xff) << 8; | |
5262 | x |= (*codep++ & (bfd_signed_vma) 0xff) << 16; | |
5263 | x |= (*codep++ & (bfd_signed_vma) 0xff) << 24; | |
5264 | return x; | |
5265 | } | |
5266 | ||
5267 | static bfd_signed_vma | |
5268 | get32s (void) | |
5269 | { | |
5270 | bfd_signed_vma x = 0; | |
5271 | ||
5272 | fetch_data(the_info, codep + 4); | |
5273 | x = *codep++ & (bfd_signed_vma) 0xff; | |
5274 | x |= (*codep++ & (bfd_signed_vma) 0xff) << 8; | |
5275 | x |= (*codep++ & (bfd_signed_vma) 0xff) << 16; | |
5276 | x |= (*codep++ & (bfd_signed_vma) 0xff) << 24; | |
5277 | ||
5278 | x = (x ^ ((bfd_signed_vma) 1 << 31)) - ((bfd_signed_vma) 1 << 31); | |
5279 | ||
5280 | return x; | |
5281 | } | |
5282 | ||
5283 | static int | |
5284 | get16 (void) | |
5285 | { | |
5286 | int x = 0; | |
5287 | ||
5288 | fetch_data(the_info, codep + 2); | |
5289 | x = *codep++ & 0xff; | |
5290 | x |= (*codep++ & 0xff) << 8; | |
5291 | return x; | |
5292 | } | |
5293 | ||
5294 | static void | |
5295 | set_op (bfd_vma op, int riprel) | |
5296 | { | |
5297 | op_index[op_ad] = op_ad; | |
5298 | if (address_mode == mode_64bit) | |
5299 | { | |
5300 | op_address[op_ad] = op; | |
5301 | op_riprel[op_ad] = riprel; | |
5302 | } | |
5303 | else | |
5304 | { | |
5305 | /* Mask to get a 32-bit address. */ | |
5306 | op_address[op_ad] = op & 0xffffffff; | |
5307 | op_riprel[op_ad] = riprel & 0xffffffff; | |
5308 | } | |
5309 | } | |
5310 | ||
5311 | static void | |
5312 | OP_REG (int code, int sizeflag) | |
5313 | { | |
5314 | const char *s; | |
5315 | int add = 0; | |
5316 | USED_REX (REX_B); | |
5317 | if (rex & REX_B) | |
5318 | add = 8; | |
5319 | ||
5320 | switch (code) | |
5321 | { | |
5322 | case ax_reg: case cx_reg: case dx_reg: case bx_reg: | |
5323 | case sp_reg: case bp_reg: case si_reg: case di_reg: | |
5324 | s = names16[code - ax_reg + add]; | |
5325 | break; | |
5326 | case es_reg: case ss_reg: case cs_reg: | |
5327 | case ds_reg: case fs_reg: case gs_reg: | |
5328 | s = names_seg[code - es_reg + add]; | |
5329 | break; | |
5330 | case al_reg: case ah_reg: case cl_reg: case ch_reg: | |
5331 | case dl_reg: case dh_reg: case bl_reg: case bh_reg: | |
5332 | USED_REX (0); | |
5333 | if (rex) | |
5334 | s = names8rex[code - al_reg + add]; | |
5335 | else | |
5336 | s = names8[code - al_reg]; | |
5337 | break; | |
5338 | case rAX_reg: case rCX_reg: case rDX_reg: case rBX_reg: | |
5339 | case rSP_reg: case rBP_reg: case rSI_reg: case rDI_reg: | |
5340 | if (address_mode == mode_64bit && (sizeflag & DFLAG)) | |
5341 | { | |
5342 | s = names64[code - rAX_reg + add]; | |
5343 | break; | |
5344 | } | |
5345 | code += eAX_reg - rAX_reg; | |
5346 | /* Fall through. */ | |
5347 | case eAX_reg: case eCX_reg: case eDX_reg: case eBX_reg: | |
5348 | case eSP_reg: case eBP_reg: case eSI_reg: case eDI_reg: | |
5349 | USED_REX (REX_W); | |
5350 | if (rex & REX_W) | |
5351 | s = names64[code - eAX_reg + add]; | |
5352 | else if (sizeflag & DFLAG) | |
5353 | s = names32[code - eAX_reg + add]; | |
5354 | else | |
5355 | s = names16[code - eAX_reg + add]; | |
5356 | used_prefixes |= (prefixes & PREFIX_DATA); | |
5357 | break; | |
5358 | default: | |
5359 | s = INTERNAL_DISASSEMBLER_ERROR; | |
5360 | break; | |
5361 | } | |
5362 | oappend (s); | |
5363 | } | |
5364 | ||
5365 | static void | |
5366 | OP_IMREG (int code, int sizeflag) | |
5367 | { | |
5368 | const char *s; | |
5369 | ||
5370 | switch (code) | |
5371 | { | |
5372 | case indir_dx_reg: | |
5373 | if (intel_syntax) | |
5374 | s = "dx"; | |
5375 | else | |
5376 | s = "(%dx)"; | |
5377 | break; | |
5378 | case ax_reg: case cx_reg: case dx_reg: case bx_reg: | |
5379 | case sp_reg: case bp_reg: case si_reg: case di_reg: | |
5380 | s = names16[code - ax_reg]; | |
5381 | break; | |
5382 | case es_reg: case ss_reg: case cs_reg: | |
5383 | case ds_reg: case fs_reg: case gs_reg: | |
5384 | s = names_seg[code - es_reg]; | |
5385 | break; | |
5386 | case al_reg: case ah_reg: case cl_reg: case ch_reg: | |
5387 | case dl_reg: case dh_reg: case bl_reg: case bh_reg: | |
5388 | USED_REX (0); | |
5389 | if (rex) | |
5390 | s = names8rex[code - al_reg]; | |
5391 | else | |
5392 | s = names8[code - al_reg]; | |
5393 | break; | |
5394 | case eAX_reg: case eCX_reg: case eDX_reg: case eBX_reg: | |
5395 | case eSP_reg: case eBP_reg: case eSI_reg: case eDI_reg: | |
5396 | USED_REX (REX_W); | |
5397 | if (rex & REX_W) | |
5398 | s = names64[code - eAX_reg]; | |
5399 | else if (sizeflag & DFLAG) | |
5400 | s = names32[code - eAX_reg]; | |
5401 | else | |
5402 | s = names16[code - eAX_reg]; | |
5403 | used_prefixes |= (prefixes & PREFIX_DATA); | |
5404 | break; | |
5405 | case z_mode_ax_reg: | |
5406 | if ((rex & REX_W) || (sizeflag & DFLAG)) | |
5407 | s = *names32; | |
5408 | else | |
5409 | s = *names16; | |
5410 | if (!(rex & REX_W)) | |
5411 | used_prefixes |= (prefixes & PREFIX_DATA); | |
5412 | break; | |
5413 | default: | |
5414 | s = INTERNAL_DISASSEMBLER_ERROR; | |
5415 | break; | |
5416 | } | |
5417 | oappend (s); | |
5418 | } | |
5419 | ||
5420 | static void | |
5421 | OP_I (int bytemode, int sizeflag) | |
5422 | { | |
5423 | bfd_signed_vma op; | |
5424 | bfd_signed_vma mask = -1; | |
5425 | ||
5426 | switch (bytemode) | |
5427 | { | |
5428 | case b_mode: | |
5429 | fetch_data(the_info, codep + 1); | |
5430 | op = *codep++; | |
5431 | mask = 0xff; | |
5432 | break; | |
5433 | case q_mode: | |
5434 | if (address_mode == mode_64bit) | |
5435 | { | |
5436 | op = get32s (); | |
5437 | break; | |
5438 | } | |
5439 | /* Fall through. */ | |
5440 | case v_mode: | |
5441 | USED_REX (REX_W); | |
5442 | if (rex & REX_W) | |
5443 | op = get32s (); | |
5444 | else if (sizeflag & DFLAG) | |
5445 | { | |
5446 | op = get32 (); | |
5447 | mask = 0xffffffff; | |
5448 | } | |
5449 | else | |
5450 | { | |
5451 | op = get16 (); | |
5452 | mask = 0xfffff; | |
5453 | } | |
5454 | used_prefixes |= (prefixes & PREFIX_DATA); | |
5455 | break; | |
5456 | case w_mode: | |
5457 | mask = 0xfffff; | |
5458 | op = get16 (); | |
5459 | break; | |
5460 | case const_1_mode: | |
5461 | if (intel_syntax) | |
5462 | oappend ("1"); | |
5463 | return; | |
5464 | default: | |
5465 | oappend (INTERNAL_DISASSEMBLER_ERROR); | |
5466 | return; | |
5467 | } | |
5468 | ||
5469 | op &= mask; | |
5470 | scratchbuf[0] = '$'; | |
5471 | print_operand_value (scratchbuf + 1, sizeof(scratchbuf) - 1, 1, op); | |
5472 | oappend (scratchbuf + intel_syntax); | |
5473 | scratchbuf[0] = '\0'; | |
5474 | } | |
5475 | ||
5476 | static void | |
5477 | OP_I64 (int bytemode, int sizeflag) | |
5478 | { | |
5479 | bfd_signed_vma op; | |
5480 | bfd_signed_vma mask = -1; | |
5481 | ||
5482 | if (address_mode != mode_64bit) | |
5483 | { | |
5484 | OP_I (bytemode, sizeflag); | |
5485 | return; | |
5486 | } | |
5487 | ||
5488 | switch (bytemode) | |
5489 | { | |
5490 | case b_mode: | |
5491 | fetch_data(the_info, codep + 1); | |
5492 | op = *codep++; | |
5493 | mask = 0xff; | |
5494 | break; | |
5495 | case v_mode: | |
5496 | USED_REX (REX_W); | |
5497 | if (rex & REX_W) | |
5498 | op = get64 (); | |
5499 | else if (sizeflag & DFLAG) | |
5500 | { | |
5501 | op = get32 (); | |
5502 | mask = 0xffffffff; | |
5503 | } | |
5504 | else | |
5505 | { | |
5506 | op = get16 (); | |
5507 | mask = 0xfffff; | |
5508 | } | |
5509 | used_prefixes |= (prefixes & PREFIX_DATA); | |
5510 | break; | |
5511 | case w_mode: | |
5512 | mask = 0xfffff; | |
5513 | op = get16 (); | |
5514 | break; | |
5515 | default: | |
5516 | oappend (INTERNAL_DISASSEMBLER_ERROR); | |
5517 | return; | |
5518 | } | |
5519 | ||
5520 | op &= mask; | |
5521 | scratchbuf[0] = '$'; | |
5522 | print_operand_value (scratchbuf + 1, sizeof(scratchbuf) - 1, 1, op); | |
5523 | oappend (scratchbuf + intel_syntax); | |
5524 | scratchbuf[0] = '\0'; | |
5525 | } | |
5526 | ||
5527 | static void | |
5528 | OP_sI (int bytemode, int sizeflag) | |
5529 | { | |
5530 | bfd_signed_vma op; | |
5531 | ||
5532 | switch (bytemode) | |
5533 | { | |
5534 | case b_mode: | |
5535 | fetch_data(the_info, codep + 1); | |
5536 | op = *codep++; | |
5537 | if ((op & 0x80) != 0) | |
5538 | op -= 0x100; | |
5539 | break; | |
5540 | case v_mode: | |
5541 | USED_REX (REX_W); | |
5542 | if (rex & REX_W) | |
5543 | op = get32s (); | |
5544 | else if (sizeflag & DFLAG) | |
5545 | { | |
5546 | op = get32s (); | |
5547 | } | |
5548 | else | |
5549 | { | |
5550 | op = get16 (); | |
5551 | if ((op & 0x8000) != 0) | |
5552 | op -= 0x10000; | |
5553 | } | |
5554 | used_prefixes |= (prefixes & PREFIX_DATA); | |
5555 | break; | |
5556 | case w_mode: | |
5557 | op = get16 (); | |
5558 | if ((op & 0x8000) != 0) | |
5559 | op -= 0x10000; | |
5560 | break; | |
5561 | default: | |
5562 | oappend (INTERNAL_DISASSEMBLER_ERROR); | |
5563 | return; | |
5564 | } | |
5565 | ||
5566 | scratchbuf[0] = '$'; | |
5567 | print_operand_value (scratchbuf + 1, sizeof(scratchbuf) - 1, 1, op); | |
5568 | oappend (scratchbuf + intel_syntax); | |
5569 | } | |
5570 | ||
5571 | static void | |
5572 | OP_J (int bytemode, int sizeflag) | |
5573 | { | |
5574 | bfd_vma disp; | |
5575 | bfd_vma mask = -1; | |
5576 | bfd_vma segment = 0; | |
5577 | ||
5578 | switch (bytemode) | |
5579 | { | |
5580 | case b_mode: | |
5581 | fetch_data(the_info, codep + 1); | |
5582 | disp = *codep++; | |
5583 | if ((disp & 0x80) != 0) | |
5584 | disp -= 0x100; | |
5585 | break; | |
5586 | case v_mode: | |
5587 | if ((sizeflag & DFLAG) || (rex & REX_W)) | |
5588 | disp = get32s (); | |
5589 | else | |
5590 | { | |
5591 | disp = get16 (); | |
5592 | if ((disp & 0x8000) != 0) | |
5593 | disp -= 0x10000; | |
5594 | /* In 16bit mode, address is wrapped around at 64k within | |
5595 | the same segment. Otherwise, a data16 prefix on a jump | |
5596 | instruction means that the pc is masked to 16 bits after | |
5597 | the displacement is added! */ | |
5598 | mask = 0xffff; | |
5599 | if ((prefixes & PREFIX_DATA) == 0) | |
5600 | segment = ((start_pc + codep - start_codep) | |
5601 | & ~((bfd_vma) 0xffff)); | |
5602 | } | |
5603 | used_prefixes |= (prefixes & PREFIX_DATA); | |
5604 | break; | |
5605 | default: | |
5606 | oappend (INTERNAL_DISASSEMBLER_ERROR); | |
5607 | return; | |
5608 | } | |
5609 | disp = ((start_pc + codep - start_codep + disp) & mask) | segment; | |
5610 | set_op (disp, 0); | |
5611 | print_operand_value (scratchbuf, sizeof(scratchbuf), 1, disp); | |
5612 | oappend (scratchbuf); | |
5613 | } | |
5614 | ||
5615 | static void | |
5616 | OP_SEG (int bytemode, int sizeflag) | |
5617 | { | |
5618 | if (bytemode == w_mode) | |
5619 | oappend (names_seg[modrm.reg]); | |
5620 | else | |
5621 | OP_E (modrm.mod == 3 ? bytemode : w_mode, sizeflag); | |
5622 | } | |
5623 | ||
5624 | static void | |
5625 | OP_DIR (int dummy ATTRIBUTE_UNUSED, int sizeflag) | |
5626 | { | |
5627 | int seg, offset; | |
5628 | ||
5629 | if (sizeflag & DFLAG) | |
5630 | { | |
5631 | offset = get32 (); | |
5632 | seg = get16 (); | |
5633 | } | |
5634 | else | |
5635 | { | |
5636 | offset = get16 (); | |
5637 | seg = get16 (); | |
5638 | } | |
5639 | used_prefixes |= (prefixes & PREFIX_DATA); | |
5640 | if (intel_syntax) | |
5641 | snprintf (scratchbuf, sizeof(scratchbuf), "0x%x:0x%x", seg, offset); | |
5642 | else | |
5643 | snprintf (scratchbuf, sizeof(scratchbuf), "$0x%x,$0x%x", seg, offset); | |
5644 | oappend (scratchbuf); | |
5645 | } | |
5646 | ||
5647 | static void | |
5648 | OP_OFF (int bytemode, int sizeflag) | |
5649 | { | |
5650 | bfd_vma off; | |
5651 | ||
5652 | if (intel_syntax && (sizeflag & SUFFIX_ALWAYS)) | |
5653 | intel_operand_size (bytemode, sizeflag); | |
5654 | append_seg (); | |
5655 | ||
5656 | if ((sizeflag & AFLAG) || address_mode == mode_64bit) | |
5657 | off = get32 (); | |
5658 | else | |
5659 | off = get16 (); | |
5660 | ||
5661 | if (intel_syntax) | |
5662 | { | |
5663 | if (!(prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS | |
5664 | | PREFIX_ES | PREFIX_FS | PREFIX_GS))) | |
5665 | { | |
5666 | oappend (names_seg[ds_reg - es_reg]); | |
5667 | oappend (":"); | |
5668 | } | |
5669 | } | |
5670 | print_operand_value (scratchbuf, sizeof(scratchbuf), 1, off); | |
5671 | oappend (scratchbuf); | |
5672 | } | |
5673 | ||
5674 | static void | |
5675 | OP_OFF64 (int bytemode, int sizeflag) | |
5676 | { | |
5677 | bfd_vma off; | |
5678 | ||
5679 | if (address_mode != mode_64bit | |
5680 | || (prefixes & PREFIX_ADDR)) | |
5681 | { | |
5682 | OP_OFF (bytemode, sizeflag); | |
5683 | return; | |
5684 | } | |
5685 | ||
5686 | if (intel_syntax && (sizeflag & SUFFIX_ALWAYS)) | |
5687 | intel_operand_size (bytemode, sizeflag); | |
5688 | append_seg (); | |
5689 | ||
5690 | off = get64 (); | |
5691 | ||
5692 | if (intel_syntax) | |
5693 | { | |
5694 | if (!(prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS | |
5695 | | PREFIX_ES | PREFIX_FS | PREFIX_GS))) | |
5696 | { | |
5697 | oappend (names_seg[ds_reg - es_reg]); | |
5698 | oappend (":"); | |
5699 | } | |
5700 | } | |
5701 | print_operand_value (scratchbuf, sizeof(scratchbuf), 1, off); | |
5702 | oappend (scratchbuf); | |
5703 | } | |
5704 | ||
5705 | static void | |
5706 | ptr_reg (int code, int sizeflag) | |
5707 | { | |
5708 | const char *s; | |
5709 | ||
5710 | *obufp++ = open_char; | |
5711 | used_prefixes |= (prefixes & PREFIX_ADDR); | |
5712 | if (address_mode == mode_64bit) | |
5713 | { | |
5714 | if (!(sizeflag & AFLAG)) | |
5715 | s = names32[code - eAX_reg]; | |
5716 | else | |
5717 | s = names64[code - eAX_reg]; | |
5718 | } | |
5719 | else if (sizeflag & AFLAG) | |
5720 | s = names32[code - eAX_reg]; | |
5721 | else | |
5722 | s = names16[code - eAX_reg]; | |
5723 | oappend (s); | |
5724 | *obufp++ = close_char; | |
5725 | *obufp = 0; | |
5726 | } | |
5727 | ||
5728 | static void | |
5729 | OP_ESreg (int code, int sizeflag) | |
5730 | { | |
5731 | if (intel_syntax) | |
5732 | { | |
5733 | switch (codep[-1]) | |
5734 | { | |
5735 | case 0x6d: /* insw/insl */ | |
5736 | intel_operand_size (z_mode, sizeflag); | |
5737 | break; | |
5738 | case 0xa5: /* movsw/movsl/movsq */ | |
5739 | case 0xa7: /* cmpsw/cmpsl/cmpsq */ | |
5740 | case 0xab: /* stosw/stosl */ | |
5741 | case 0xaf: /* scasw/scasl */ | |
5742 | intel_operand_size (v_mode, sizeflag); | |
5743 | break; | |
5744 | default: | |
5745 | intel_operand_size (b_mode, sizeflag); | |
5746 | } | |
5747 | } | |
5748 | oappend ("%es:" + intel_syntax); | |
5749 | ptr_reg (code, sizeflag); | |
5750 | } | |
5751 | ||
5752 | static void | |
5753 | OP_DSreg (int code, int sizeflag) | |
5754 | { | |
5755 | if (intel_syntax) | |
5756 | { | |
5757 | switch (codep[-1]) | |
5758 | { | |
5759 | case 0x6f: /* outsw/outsl */ | |
5760 | intel_operand_size (z_mode, sizeflag); | |
5761 | break; | |
5762 | case 0xa5: /* movsw/movsl/movsq */ | |
5763 | case 0xa7: /* cmpsw/cmpsl/cmpsq */ | |
5764 | case 0xad: /* lodsw/lodsl/lodsq */ | |
5765 | intel_operand_size (v_mode, sizeflag); | |
5766 | break; | |
5767 | default: | |
5768 | intel_operand_size (b_mode, sizeflag); | |
5769 | } | |
5770 | } | |
5771 | if ((prefixes | |
5772 | & (PREFIX_CS | |
5773 | | PREFIX_DS | |
5774 | | PREFIX_SS | |
5775 | | PREFIX_ES | |
5776 | | PREFIX_FS | |
5777 | | PREFIX_GS)) == 0) | |
5778 | prefixes |= PREFIX_DS; | |
5779 | append_seg (); | |
5780 | ptr_reg (code, sizeflag); | |
5781 | } | |
5782 | ||
5783 | static void | |
5784 | OP_C (int dummy ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) | |
5785 | { | |
5786 | int add = 0; | |
5787 | if (rex & REX_R) | |
5788 | { | |
5789 | USED_REX (REX_R); | |
5790 | add = 8; | |
5791 | } | |
5792 | else if (address_mode != mode_64bit && (prefixes & PREFIX_LOCK)) | |
5793 | { | |
5794 | used_prefixes |= PREFIX_LOCK; | |
5795 | add = 8; | |
5796 | } | |
5797 | snprintf (scratchbuf, sizeof(scratchbuf), "%%cr%d", modrm.reg + add); | |
5798 | oappend (scratchbuf + intel_syntax); | |
5799 | } | |
5800 | ||
5801 | static void | |
5802 | OP_D (int dummy ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) | |
5803 | { | |
5804 | int add = 0; | |
5805 | USED_REX (REX_R); | |
5806 | if (rex & REX_R) | |
5807 | add = 8; | |
5808 | if (intel_syntax) | |
5809 | snprintf (scratchbuf, sizeof(scratchbuf), "db%d", modrm.reg + add); | |
5810 | else | |
5811 | snprintf (scratchbuf, sizeof(scratchbuf), "%%db%d", modrm.reg + add); | |
5812 | oappend (scratchbuf); | |
5813 | } | |
5814 | ||
5815 | static void | |
5816 | OP_T (int dummy ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) | |
5817 | { | |
5818 | snprintf (scratchbuf, sizeof(scratchbuf), "%%tr%d", modrm.reg); | |
5819 | oappend (scratchbuf + intel_syntax); | |
5820 | } | |
5821 | ||
5822 | static void | |
5823 | OP_R (int bytemode, int sizeflag) | |
5824 | { | |
5825 | if (modrm.mod == 3) | |
5826 | OP_E (bytemode, sizeflag); | |
5827 | else | |
5828 | BadOp (); | |
5829 | } | |
5830 | ||
5831 | static void | |
5832 | OP_MMX (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) | |
5833 | { | |
5834 | used_prefixes |= (prefixes & PREFIX_DATA); | |
5835 | if (prefixes & PREFIX_DATA) | |
5836 | { | |
5837 | int add = 0; | |
5838 | USED_REX (REX_R); | |
5839 | if (rex & REX_R) | |
5840 | add = 8; | |
5841 | snprintf (scratchbuf, sizeof(scratchbuf), "%%xmm%d", modrm.reg + add); | |
5842 | } | |
5843 | else | |
5844 | snprintf (scratchbuf, sizeof(scratchbuf), "%%mm%d", modrm.reg); | |
5845 | oappend (scratchbuf + intel_syntax); | |
5846 | } | |
5847 | ||
5848 | static void | |
5849 | OP_XMM (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) | |
5850 | { | |
5851 | int add = 0; | |
5852 | USED_REX (REX_R); | |
5853 | if (rex & REX_R) | |
5854 | add = 8; | |
5855 | snprintf (scratchbuf, sizeof(scratchbuf), "%%xmm%d", modrm.reg + add); | |
5856 | oappend (scratchbuf + intel_syntax); | |
5857 | } | |
5858 | ||
5859 | static void | |
5860 | OP_EM (int bytemode, int sizeflag) | |
5861 | { | |
5862 | if (modrm.mod != 3) | |
5863 | { | |
5864 | if (intel_syntax && bytemode == v_mode) | |
5865 | { | |
5866 | bytemode = (prefixes & PREFIX_DATA) ? x_mode : q_mode; | |
5867 | used_prefixes |= (prefixes & PREFIX_DATA); | |
5868 | } | |
5869 | OP_E (bytemode, sizeflag); | |
5870 | return; | |
5871 | } | |
5872 | ||
5873 | /* Skip mod/rm byte. */ | |
5874 | MODRM_CHECK; | |
5875 | codep++; | |
5876 | used_prefixes |= (prefixes & PREFIX_DATA); | |
5877 | if (prefixes & PREFIX_DATA) | |
5878 | { | |
5879 | int add = 0; | |
5880 | ||
5881 | USED_REX (REX_B); | |
5882 | if (rex & REX_B) | |
5883 | add = 8; | |
5884 | snprintf (scratchbuf, sizeof(scratchbuf), "%%xmm%d", modrm.rm + add); | |
5885 | } | |
5886 | else | |
5887 | snprintf (scratchbuf, sizeof(scratchbuf), "%%mm%d", modrm.rm); | |
5888 | oappend (scratchbuf + intel_syntax); | |
5889 | } | |
5890 | ||
5891 | /* cvt* are the only instructions in sse2 which have | |
5892 | both SSE and MMX operands and also have 0x66 prefix | |
5893 | in their opcode. 0x66 was originally used to differentiate | |
5894 | between SSE and MMX instruction(operands). So we have to handle the | |
5895 | cvt* separately using OP_EMC and OP_MXC */ | |
5896 | static void | |
5897 | OP_EMC (int bytemode, int sizeflag) | |
5898 | { | |
5899 | if (modrm.mod != 3) | |
5900 | { | |
5901 | if (intel_syntax && bytemode == v_mode) | |
5902 | { | |
5903 | bytemode = (prefixes & PREFIX_DATA) ? x_mode : q_mode; | |
5904 | used_prefixes |= (prefixes & PREFIX_DATA); | |
5905 | } | |
5906 | OP_E (bytemode, sizeflag); | |
5907 | return; | |
5908 | } | |
5909 | ||
5910 | /* Skip mod/rm byte. */ | |
5911 | MODRM_CHECK; | |
5912 | codep++; | |
5913 | used_prefixes |= (prefixes & PREFIX_DATA); | |
5914 | snprintf (scratchbuf, sizeof(scratchbuf), "%%mm%d", modrm.rm); | |
5915 | oappend (scratchbuf + intel_syntax); | |
5916 | } | |
5917 | ||
5918 | static void | |
5919 | OP_MXC (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) | |
5920 | { | |
5921 | used_prefixes |= (prefixes & PREFIX_DATA); | |
5922 | snprintf (scratchbuf, sizeof(scratchbuf), "%%mm%d", modrm.reg); | |
5923 | oappend (scratchbuf + intel_syntax); | |
5924 | } | |
5925 | ||
5926 | static void | |
5927 | OP_EX (int bytemode, int sizeflag) | |
5928 | { | |
5929 | int add = 0; | |
5930 | if (modrm.mod != 3) | |
5931 | { | |
5932 | OP_E (bytemode, sizeflag); | |
5933 | return; | |
5934 | } | |
5935 | USED_REX (REX_B); | |
5936 | if (rex & REX_B) | |
5937 | add = 8; | |
5938 | ||
5939 | /* Skip mod/rm byte. */ | |
5940 | MODRM_CHECK; | |
5941 | codep++; | |
5942 | snprintf (scratchbuf, sizeof(scratchbuf), "%%xmm%d", modrm.rm + add); | |
5943 | oappend (scratchbuf + intel_syntax); | |
5944 | } | |
5945 | ||
5946 | static void | |
5947 | OP_MS (int bytemode, int sizeflag) | |
5948 | { | |
5949 | if (modrm.mod == 3) | |
5950 | OP_EM (bytemode, sizeflag); | |
5951 | else | |
5952 | BadOp (); | |
5953 | } | |
5954 | ||
5955 | static void | |
5956 | OP_XS (int bytemode, int sizeflag) | |
5957 | { | |
5958 | if (modrm.mod == 3) | |
5959 | OP_EX (bytemode, sizeflag); | |
5960 | else | |
5961 | BadOp (); | |
5962 | } | |
5963 | ||
5964 | static void | |
5965 | OP_M (int bytemode, int sizeflag) | |
5966 | { | |
5967 | if (modrm.mod == 3) | |
5968 | /* bad bound,lea,lds,les,lfs,lgs,lss,cmpxchg8b,vmptrst modrm */ | |
5969 | BadOp (); | |
5970 | else | |
5971 | OP_E (bytemode, sizeflag); | |
5972 | } | |
5973 | ||
5974 | static void | |
5975 | OP_0f07 (int bytemode, int sizeflag) | |
5976 | { | |
5977 | if (modrm.mod != 3 || modrm.rm != 0) | |
5978 | BadOp (); | |
5979 | else | |
5980 | OP_E (bytemode, sizeflag); | |
5981 | } | |
5982 | ||
5983 | static void | |
5984 | OP_0fae (int bytemode, int sizeflag) | |
5985 | { | |
5986 | if (modrm.mod == 3) | |
5987 | { | |
5988 | if (modrm.reg == 7) | |
5989 | strcpy (obuf + strlen (obuf) - sizeof ("clflush") + 1, "sfence"); | |
5990 | ||
5991 | if (modrm.reg < 5 || modrm.rm != 0) | |
5992 | { | |
5993 | BadOp (); /* bad sfence, mfence, or lfence */ | |
5994 | return; | |
5995 | } | |
5996 | } | |
5997 | else if (modrm.reg != 7) | |
5998 | { | |
5999 | BadOp (); /* bad clflush */ | |
6000 | return; | |
6001 | } | |
6002 | ||
6003 | OP_E (bytemode, sizeflag); | |
6004 | } | |
6005 | ||
6006 | /* NOP is an alias of "xchg %ax,%ax" in 16bit mode, "xchg %eax,%eax" in | |
6007 | 32bit mode and "xchg %rax,%rax" in 64bit mode. */ | |
6008 | ||
6009 | static void | |
6010 | NOP_Fixup1 (int bytemode, int sizeflag) | |
6011 | { | |
6012 | if ((prefixes & PREFIX_DATA) != 0 | |
6013 | || (rex != 0 | |
6014 | && rex != 0x48 | |
6015 | && address_mode == mode_64bit)) | |
6016 | OP_REG (bytemode, sizeflag); | |
6017 | else | |
6018 | strcpy (obuf, "nop"); | |
6019 | } | |
6020 | ||
6021 | static void | |
6022 | NOP_Fixup2 (int bytemode, int sizeflag) | |
6023 | { | |
6024 | if ((prefixes & PREFIX_DATA) != 0 | |
6025 | || (rex != 0 | |
6026 | && rex != 0x48 | |
6027 | && address_mode == mode_64bit)) | |
6028 | OP_IMREG (bytemode, sizeflag); | |
6029 | } | |
6030 | ||
6031 | static const char *Suffix3DNow[] = { | |
6032 | /* 00 */ NULL, NULL, NULL, NULL, | |
6033 | /* 04 */ NULL, NULL, NULL, NULL, | |
6034 | /* 08 */ NULL, NULL, NULL, NULL, | |
6035 | /* 0C */ "pi2fw", "pi2fd", NULL, NULL, | |
6036 | /* 10 */ NULL, NULL, NULL, NULL, | |
6037 | /* 14 */ NULL, NULL, NULL, NULL, | |
6038 | /* 18 */ NULL, NULL, NULL, NULL, | |
6039 | /* 1C */ "pf2iw", "pf2id", NULL, NULL, | |
6040 | /* 20 */ NULL, NULL, NULL, NULL, | |
6041 | /* 24 */ NULL, NULL, NULL, NULL, | |
6042 | /* 28 */ NULL, NULL, NULL, NULL, | |
6043 | /* 2C */ NULL, NULL, NULL, NULL, | |
6044 | /* 30 */ NULL, NULL, NULL, NULL, | |
6045 | /* 34 */ NULL, NULL, NULL, NULL, | |
6046 | /* 38 */ NULL, NULL, NULL, NULL, | |
6047 | /* 3C */ NULL, NULL, NULL, NULL, | |
6048 | /* 40 */ NULL, NULL, NULL, NULL, | |
6049 | /* 44 */ NULL, NULL, NULL, NULL, | |
6050 | /* 48 */ NULL, NULL, NULL, NULL, | |
6051 | /* 4C */ NULL, NULL, NULL, NULL, | |
6052 | /* 50 */ NULL, NULL, NULL, NULL, | |
6053 | /* 54 */ NULL, NULL, NULL, NULL, | |
6054 | /* 58 */ NULL, NULL, NULL, NULL, | |
6055 | /* 5C */ NULL, NULL, NULL, NULL, | |
6056 | /* 60 */ NULL, NULL, NULL, NULL, | |
6057 | /* 64 */ NULL, NULL, NULL, NULL, | |
6058 | /* 68 */ NULL, NULL, NULL, NULL, | |
6059 | /* 6C */ NULL, NULL, NULL, NULL, | |
6060 | /* 70 */ NULL, NULL, NULL, NULL, | |
6061 | /* 74 */ NULL, NULL, NULL, NULL, | |
6062 | /* 78 */ NULL, NULL, NULL, NULL, | |
6063 | /* 7C */ NULL, NULL, NULL, NULL, | |
6064 | /* 80 */ NULL, NULL, NULL, NULL, | |
6065 | /* 84 */ NULL, NULL, NULL, NULL, | |
6066 | /* 88 */ NULL, NULL, "pfnacc", NULL, | |
6067 | /* 8C */ NULL, NULL, "pfpnacc", NULL, | |
6068 | /* 90 */ "pfcmpge", NULL, NULL, NULL, | |
6069 | /* 94 */ "pfmin", NULL, "pfrcp", "pfrsqrt", | |
6070 | /* 98 */ NULL, NULL, "pfsub", NULL, | |
6071 | /* 9C */ NULL, NULL, "pfadd", NULL, | |
6072 | /* A0 */ "pfcmpgt", NULL, NULL, NULL, | |
6073 | /* A4 */ "pfmax", NULL, "pfrcpit1", "pfrsqit1", | |
6074 | /* A8 */ NULL, NULL, "pfsubr", NULL, | |
6075 | /* AC */ NULL, NULL, "pfacc", NULL, | |
6076 | /* B0 */ "pfcmpeq", NULL, NULL, NULL, | |
6077 | /* B4 */ "pfmul", NULL, "pfrcpit2", "pmulhrw", | |
6078 | /* B8 */ NULL, NULL, NULL, "pswapd", | |
6079 | /* BC */ NULL, NULL, NULL, "pavgusb", | |
6080 | /* C0 */ NULL, NULL, NULL, NULL, | |
6081 | /* C4 */ NULL, NULL, NULL, NULL, | |
6082 | /* C8 */ NULL, NULL, NULL, NULL, | |
6083 | /* CC */ NULL, NULL, NULL, NULL, | |
6084 | /* D0 */ NULL, NULL, NULL, NULL, | |
6085 | /* D4 */ NULL, NULL, NULL, NULL, | |
6086 | /* D8 */ NULL, NULL, NULL, NULL, | |
6087 | /* DC */ NULL, NULL, NULL, NULL, | |
6088 | /* E0 */ NULL, NULL, NULL, NULL, | |
6089 | /* E4 */ NULL, NULL, NULL, NULL, | |
6090 | /* E8 */ NULL, NULL, NULL, NULL, | |
6091 | /* EC */ NULL, NULL, NULL, NULL, | |
6092 | /* F0 */ NULL, NULL, NULL, NULL, | |
6093 | /* F4 */ NULL, NULL, NULL, NULL, | |
6094 | /* F8 */ NULL, NULL, NULL, NULL, | |
6095 | /* FC */ NULL, NULL, NULL, NULL, | |
6096 | }; | |
6097 | ||
6098 | static void | |
6099 | OP_3DNowSuffix (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) | |
6100 | { | |
6101 | const char *mnemonic; | |
6102 | ||
6103 | fetch_data(the_info, codep + 1); | |
6104 | /* AMD 3DNow! instructions are specified by an opcode suffix in the | |
6105 | place where an 8-bit immediate would normally go. ie. the last | |
6106 | byte of the instruction. */ | |
6107 | obufp = obuf + strlen (obuf); | |
6108 | mnemonic = Suffix3DNow[*codep++ & 0xff]; | |
6109 | if (mnemonic) | |
6110 | oappend (mnemonic); | |
6111 | else | |
6112 | { | |
6113 | /* Since a variable sized modrm/sib chunk is between the start | |
6114 | of the opcode (0x0f0f) and the opcode suffix, we need to do | |
6115 | all the modrm processing first, and don't know until now that | |
6116 | we have a bad opcode. This necessitates some cleaning up. */ | |
6117 | op_out[0][0] = '\0'; | |
6118 | op_out[1][0] = '\0'; | |
6119 | BadOp (); | |
6120 | } | |
6121 | } | |
6122 | ||
6123 | static const char *simd_cmp_op[] = { | |
6124 | "eq", | |
6125 | "lt", | |
6126 | "le", | |
6127 | "unord", | |
6128 | "neq", | |
6129 | "nlt", | |
6130 | "nle", | |
6131 | "ord" | |
6132 | }; | |
6133 | ||
6134 | static void | |
6135 | OP_SIMD_Suffix (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) | |
6136 | { | |
6137 | unsigned int cmp_type; | |
6138 | ||
6139 | fetch_data(the_info, codep + 1); | |
6140 | obufp = obuf + strlen (obuf); | |
6141 | cmp_type = *codep++ & 0xff; | |
6142 | if (cmp_type < 8) | |
6143 | { | |
6144 | char suffix1 = 'p', suffix2 = 's'; | |
6145 | used_prefixes |= (prefixes & PREFIX_REPZ); | |
6146 | if (prefixes & PREFIX_REPZ) | |
6147 | suffix1 = 's'; | |
6148 | else | |
6149 | { | |
6150 | used_prefixes |= (prefixes & PREFIX_DATA); | |
6151 | if (prefixes & PREFIX_DATA) | |
6152 | suffix2 = 'd'; | |
6153 | else | |
6154 | { | |
6155 | used_prefixes |= (prefixes & PREFIX_REPNZ); | |
6156 | if (prefixes & PREFIX_REPNZ) | |
6157 | suffix1 = 's', suffix2 = 'd'; | |
6158 | } | |
6159 | } | |
6160 | snprintf (scratchbuf, sizeof(scratchbuf), "cmp%s%c%c", | |
6161 | simd_cmp_op[cmp_type], suffix1, suffix2); | |
6162 | used_prefixes |= (prefixes & PREFIX_REPZ); | |
6163 | oappend (scratchbuf); | |
6164 | } | |
6165 | else | |
6166 | { | |
6167 | /* We have a bad extension byte. Clean up. */ | |
6168 | op_out[0][0] = '\0'; | |
6169 | op_out[1][0] = '\0'; | |
6170 | BadOp (); | |
6171 | } | |
6172 | } | |
6173 | ||
6174 | static void | |
6175 | SIMD_Fixup (int extrachar, int sizeflag ATTRIBUTE_UNUSED) | |
6176 | { | |
6177 | /* Change movlps/movhps to movhlps/movlhps for 2 register operand | |
6178 | forms of these instructions. */ | |
6179 | if (modrm.mod == 3) | |
6180 | { | |
6181 | char *p = obuf + strlen (obuf); | |
6182 | *(p + 1) = '\0'; | |
6183 | *p = *(p - 1); | |
6184 | *(p - 1) = *(p - 2); | |
6185 | *(p - 2) = *(p - 3); | |
6186 | *(p - 3) = extrachar; | |
6187 | } | |
6188 | } | |
6189 | ||
6190 | static void | |
6191 | PNI_Fixup (int extrachar ATTRIBUTE_UNUSED, int sizeflag) | |
6192 | { | |
6193 | if (modrm.mod == 3 && modrm.reg == 1 && modrm.rm <= 1) | |
6194 | { | |
6195 | /* Override "sidt". */ | |
6196 | size_t olen = strlen (obuf); | |
6197 | char *p = obuf + olen - 4; | |
6198 | const char * const *names = (address_mode == mode_64bit | |
6199 | ? names64 : names32); | |
6200 | ||
6201 | /* We might have a suffix when disassembling with -Msuffix. */ | |
6202 | if (*p == 'i') | |
6203 | --p; | |
6204 | ||
6205 | /* Remove "addr16/addr32" if we aren't in Intel mode. */ | |
6206 | if (!intel_syntax | |
6207 | && (prefixes & PREFIX_ADDR) | |
6208 | && olen >= (4 + 7) | |
6209 | && *(p - 1) == ' ' | |
6210 | && strncmp (p - 7, "addr", 4) == 0 | |
6211 | && (strncmp (p - 3, "16", 2) == 0 | |
6212 | || strncmp (p - 3, "32", 2) == 0)) | |
6213 | p -= 7; | |
6214 | ||
6215 | if (modrm.rm) | |
6216 | { | |
6217 | /* mwait %eax,%ecx */ | |
6218 | strcpy (p, "mwait"); | |
6219 | if (!intel_syntax) | |
6220 | strcpy (op_out[0], names[0]); | |
6221 | } | |
6222 | else | |
6223 | { | |
6224 | /* monitor %eax,%ecx,%edx" */ | |
6225 | strcpy (p, "monitor"); | |
6226 | if (!intel_syntax) | |
6227 | { | |
6228 | const char * const *op1_names; | |
6229 | if (!(prefixes & PREFIX_ADDR)) | |
6230 | op1_names = (address_mode == mode_16bit | |
6231 | ? names16 : names); | |
6232 | else | |
6233 | { | |
6234 | op1_names = (address_mode != mode_32bit | |
6235 | ? names32 : names16); | |
6236 | used_prefixes |= PREFIX_ADDR; | |
6237 | } | |
6238 | strcpy (op_out[0], op1_names[0]); | |
6239 | strcpy (op_out[2], names[2]); | |
6240 | } | |
6241 | } | |
6242 | if (!intel_syntax) | |
6243 | { | |
6244 | strcpy (op_out[1], names[1]); | |
6245 | two_source_ops = 1; | |
6246 | } | |
6247 | ||
6248 | codep++; | |
6249 | } | |
6250 | else | |
6251 | OP_M (0, sizeflag); | |
6252 | } | |
6253 | ||
6254 | static void | |
6255 | SVME_Fixup (int bytemode, int sizeflag) | |
6256 | { | |
6257 | const char *alt; | |
6258 | char *p; | |
6259 | ||
6260 | switch (*codep) | |
6261 | { | |
6262 | case 0xd8: | |
6263 | alt = "vmrun"; | |
6264 | break; | |
6265 | case 0xd9: | |
6266 | alt = "vmmcall"; | |
6267 | break; | |
6268 | case 0xda: | |
6269 | alt = "vmload"; | |
6270 | break; | |
6271 | case 0xdb: | |
6272 | alt = "vmsave"; | |
6273 | break; | |
6274 | case 0xdc: | |
6275 | alt = "stgi"; | |
6276 | break; | |
6277 | case 0xdd: | |
6278 | alt = "clgi"; | |
6279 | break; | |
6280 | case 0xde: | |
6281 | alt = "skinit"; | |
6282 | break; | |
6283 | case 0xdf: | |
6284 | alt = "invlpga"; | |
6285 | break; | |
6286 | default: | |
6287 | OP_M (bytemode, sizeflag); | |
6288 | return; | |
6289 | } | |
6290 | /* Override "lidt". */ | |
6291 | p = obuf + strlen (obuf) - 4; | |
6292 | /* We might have a suffix. */ | |
6293 | if (*p == 'i') | |
6294 | --p; | |
6295 | strcpy (p, alt); | |
6296 | if (!(prefixes & PREFIX_ADDR)) | |
6297 | { | |
6298 | ++codep; | |
6299 | return; | |
6300 | } | |
6301 | used_prefixes |= PREFIX_ADDR; | |
6302 | switch (*codep++) | |
6303 | { | |
6304 | case 0xdf: | |
6305 | strcpy (op_out[1], names32[1]); | |
6306 | two_source_ops = 1; | |
6307 | /* Fall through. */ | |
6308 | case 0xd8: | |
6309 | case 0xda: | |
6310 | case 0xdb: | |
6311 | *obufp++ = open_char; | |
6312 | if (address_mode == mode_64bit || (sizeflag & AFLAG)) | |
6313 | alt = names32[0]; | |
6314 | else | |
6315 | alt = names16[0]; | |
6316 | strcpy (obufp, alt); | |
6317 | obufp += strlen (alt); | |
6318 | *obufp++ = close_char; | |
6319 | *obufp = '\0'; | |
6320 | break; | |
6321 | } | |
6322 | } | |
6323 | ||
6324 | static void | |
6325 | INVLPG_Fixup (int bytemode, int sizeflag) | |
6326 | { | |
6327 | const char *alt; | |
6328 | ||
6329 | switch (*codep) | |
6330 | { | |
6331 | case 0xf8: | |
6332 | alt = "swapgs"; | |
6333 | break; | |
6334 | case 0xf9: | |
6335 | alt = "rdtscp"; | |
6336 | break; | |
6337 | default: | |
6338 | OP_M (bytemode, sizeflag); | |
6339 | return; | |
6340 | } | |
6341 | /* Override "invlpg". */ | |
6342 | strcpy (obuf + strlen (obuf) - 6, alt); | |
6343 | codep++; | |
6344 | } | |
6345 | ||
6346 | static void | |
6347 | BadOp (void) | |
6348 | { | |
6349 | /* Throw away prefixes and 1st. opcode byte. */ | |
6350 | codep = insn_codep + 1; | |
6351 | oappend ("(bad)"); | |
6352 | } | |
6353 | ||
6354 | static void | |
6355 | VMX_Fixup (int extrachar ATTRIBUTE_UNUSED, int sizeflag) | |
6356 | { | |
6357 | if (modrm.mod == 3 | |
6358 | && modrm.reg == 0 | |
6359 | && modrm.rm >=1 | |
6360 | && modrm.rm <= 4) | |
6361 | { | |
6362 | /* Override "sgdt". */ | |
6363 | char *p = obuf + strlen (obuf) - 4; | |
6364 | ||
6365 | /* We might have a suffix when disassembling with -Msuffix. */ | |
6366 | if (*p == 'g') | |
6367 | --p; | |
6368 | ||
6369 | switch (modrm.rm) | |
6370 | { | |
6371 | case 1: | |
6372 | strcpy (p, "vmcall"); | |
6373 | break; | |
6374 | case 2: | |
6375 | strcpy (p, "vmlaunch"); | |
6376 | break; | |
6377 | case 3: | |
6378 | strcpy (p, "vmresume"); | |
6379 | break; | |
6380 | case 4: | |
6381 | strcpy (p, "vmxoff"); | |
6382 | break; | |
6383 | } | |
6384 | ||
6385 | codep++; | |
6386 | } | |
6387 | else | |
6388 | OP_E (0, sizeflag); | |
6389 | } | |
6390 | ||
6391 | static void | |
6392 | OP_VMX (int bytemode, int sizeflag) | |
6393 | { | |
6394 | used_prefixes |= (prefixes & (PREFIX_DATA | PREFIX_REPZ)); | |
6395 | if (prefixes & PREFIX_DATA) | |
6396 | strcpy (obuf, "vmclear"); | |
6397 | else if (prefixes & PREFIX_REPZ) | |
6398 | strcpy (obuf, "vmxon"); | |
6399 | else | |
6400 | strcpy (obuf, "vmptrld"); | |
6401 | OP_E (bytemode, sizeflag); | |
6402 | } | |
6403 | ||
6404 | static void | |
6405 | REP_Fixup (int bytemode, int sizeflag) | |
6406 | { | |
6407 | /* The 0xf3 prefix should be displayed as "rep" for ins, outs, movs, | |
6408 | lods and stos. */ | |
6409 | size_t ilen = 0; | |
6410 | ||
6411 | if (prefixes & PREFIX_REPZ) | |
6412 | switch (*insn_codep) | |
6413 | { | |
6414 | case 0x6e: /* outsb */ | |
6415 | case 0x6f: /* outsw/outsl */ | |
6416 | case 0xa4: /* movsb */ | |
6417 | case 0xa5: /* movsw/movsl/movsq */ | |
6418 | if (!intel_syntax) | |
6419 | ilen = 5; | |
6420 | else | |
6421 | ilen = 4; | |
6422 | break; | |
6423 | case 0xaa: /* stosb */ | |
6424 | case 0xab: /* stosw/stosl/stosq */ | |
6425 | case 0xac: /* lodsb */ | |
6426 | case 0xad: /* lodsw/lodsl/lodsq */ | |
6427 | if (!intel_syntax && (sizeflag & SUFFIX_ALWAYS)) | |
6428 | ilen = 5; | |
6429 | else | |
6430 | ilen = 4; | |
6431 | break; | |
6432 | case 0x6c: /* insb */ | |
6433 | case 0x6d: /* insl/insw */ | |
6434 | if (!intel_syntax) | |
6435 | ilen = 4; | |
6436 | else | |
6437 | ilen = 3; | |
6438 | break; | |
6439 | default: | |
6440 | abort (); | |
6441 | break; | |
6442 | } | |
6443 | ||
6444 | if (ilen != 0) | |
6445 | { | |
6446 | size_t olen; | |
6447 | char *p; | |
6448 | ||
6449 | olen = strlen (obuf); | |
6450 | p = obuf + olen - ilen - 1 - 4; | |
6451 | /* Handle "repz [addr16|addr32]". */ | |
6452 | if ((prefixes & PREFIX_ADDR)) | |
6453 | p -= 1 + 6; | |
6454 | ||
6455 | memmove (p + 3, p + 4, olen - (p + 3 - obuf)); | |
6456 | } | |
6457 | ||
6458 | switch (bytemode) | |
6459 | { | |
6460 | case al_reg: | |
6461 | case eAX_reg: | |
6462 | case indir_dx_reg: | |
6463 | OP_IMREG (bytemode, sizeflag); | |
6464 | break; | |
6465 | case eDI_reg: | |
6466 | OP_ESreg (bytemode, sizeflag); | |
6467 | break; | |
6468 | case eSI_reg: | |
6469 | OP_DSreg (bytemode, sizeflag); | |
6470 | break; | |
6471 | default: | |
6472 | abort (); | |
6473 | break; | |
6474 | } | |
6475 | } | |
6476 | ||
6477 | static void | |
6478 | CMPXCHG8B_Fixup (int bytemode, int sizeflag) | |
6479 | { | |
6480 | USED_REX (REX_W); | |
6481 | if (rex & REX_W) | |
6482 | { | |
6483 | /* Change cmpxchg8b to cmpxchg16b. */ | |
6484 | char *p = obuf + strlen (obuf) - 2; | |
6485 | strcpy (p, "16b"); | |
6486 | bytemode = o_mode; | |
6487 | } | |
6488 | OP_M (bytemode, sizeflag); | |
6489 | } | |
6490 | ||
6491 | static void | |
6492 | XMM_Fixup (int reg, int sizeflag ATTRIBUTE_UNUSED) | |
6493 | { | |
6494 | snprintf (scratchbuf, sizeof(scratchbuf), "%%xmm%d", reg); | |
6495 | oappend (scratchbuf + intel_syntax); | |
6496 | } | |
6497 | ||
6498 | static void | |
6499 | CRC32_Fixup (int bytemode, int sizeflag) | |
6500 | { | |
6501 | /* Add proper suffix to "crc32". */ | |
6502 | char *p = obuf + strlen (obuf); | |
6503 | ||
6504 | switch (bytemode) | |
6505 | { | |
6506 | case b_mode: | |
6507 | if (intel_syntax) | |
6508 | break; | |
6509 | ||
6510 | *p++ = 'b'; | |
6511 | break; | |
6512 | case v_mode: | |
6513 | if (intel_syntax) | |
6514 | break; | |
6515 | ||
6516 | USED_REX (REX_W); | |
6517 | if (rex & REX_W) | |
6518 | *p++ = 'q'; | |
6519 | else if (sizeflag & DFLAG) | |
6520 | *p++ = 'l'; | |
6521 | else | |
6522 | *p++ = 'w'; | |
6523 | used_prefixes |= (prefixes & PREFIX_DATA); | |
6524 | break; | |
6525 | default: | |
6526 | oappend (INTERNAL_DISASSEMBLER_ERROR); | |
6527 | break; | |
6528 | } | |
6529 | *p = '\0'; | |
6530 | ||
6531 | if (modrm.mod == 3) | |
6532 | { | |
6533 | int add; | |
6534 | ||
6535 | /* Skip mod/rm byte. */ | |
6536 | MODRM_CHECK; | |
6537 | codep++; | |
6538 | ||
6539 | USED_REX (REX_B); | |
6540 | add = (rex & REX_B) ? 8 : 0; | |
6541 | if (bytemode == b_mode) | |
6542 | { | |
6543 | USED_REX (0); | |
6544 | if (rex) | |
6545 | oappend (names8rex[modrm.rm + add]); | |
6546 | else | |
6547 | oappend (names8[modrm.rm + add]); | |
6548 | } | |
6549 | else | |
6550 | { | |
6551 | USED_REX (REX_W); | |
6552 | if (rex & REX_W) | |
6553 | oappend (names64[modrm.rm + add]); | |
6554 | else if ((prefixes & PREFIX_DATA)) | |
6555 | oappend (names16[modrm.rm + add]); | |
6556 | else | |
6557 | oappend (names32[modrm.rm + add]); | |
6558 | } | |
6559 | } | |
6560 | else | |
6561 | OP_E (bytemode, sizeflag); | |
6562 | } |