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252b5132 RH |
1 | /* Print i386 instructions for GDB, the GNU debugger. |
2 | Copyright (C) 1988, 89, 91, 93, 94, 95, 96, 97, 98, 1999 | |
3 | Free Software Foundation, Inc. | |
4 | ||
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
20 | ||
21 | /* | |
22 | * 80386 instruction printer by Pace Willisson (pace@prep.ai.mit.edu) | |
23 | * July 1988 | |
24 | * modified by John Hassey (hassey@dg-rtp.dg.com) | |
25 | */ | |
26 | ||
27 | /* | |
28 | * The main tables describing the instructions is essentially a copy | |
29 | * of the "Opcode Map" chapter (Appendix A) of the Intel 80386 | |
30 | * Programmers Manual. Usually, there is a capital letter, followed | |
31 | * by a small letter. The capital letter tell the addressing mode, | |
32 | * and the small letter tells about the operand size. Refer to | |
33 | * the Intel manual for details. | |
34 | */ | |
35 | ||
36 | #include "dis-asm.h" | |
37 | #include "sysdep.h" | |
38 | #include "opintl.h" | |
39 | ||
40 | #define MAXLEN 20 | |
41 | ||
42 | #include <setjmp.h> | |
43 | ||
44 | #ifndef UNIXWARE_COMPAT | |
45 | /* Set non-zero for broken, compatible instructions. Set to zero for | |
46 | non-broken opcodes. */ | |
47 | #define UNIXWARE_COMPAT 1 | |
48 | #endif | |
49 | ||
252b5132 RH |
50 | static int fetch_data PARAMS ((struct disassemble_info *, bfd_byte *)); |
51 | ||
52 | struct dis_private | |
53 | { | |
54 | /* Points to first byte not fetched. */ | |
55 | bfd_byte *max_fetched; | |
56 | bfd_byte the_buffer[MAXLEN]; | |
57 | bfd_vma insn_start; | |
58 | jmp_buf bailout; | |
59 | }; | |
60 | ||
5076851f ILT |
61 | /* The opcode for the fwait instruction, which we treat as a prefix |
62 | when we can. */ | |
63 | #define FWAIT_OPCODE (0x9b) | |
64 | ||
65 | /* Flags for the prefixes for the current instruction. See below. */ | |
66 | static int prefixes; | |
67 | ||
7d421014 ILT |
68 | /* Flags for prefixes which we somehow handled when printing the |
69 | current instruction. */ | |
70 | static int used_prefixes; | |
71 | ||
5076851f ILT |
72 | /* Flags stored in PREFIXES. */ |
73 | #define PREFIX_REPZ 1 | |
74 | #define PREFIX_REPNZ 2 | |
75 | #define PREFIX_LOCK 4 | |
76 | #define PREFIX_CS 8 | |
77 | #define PREFIX_SS 0x10 | |
78 | #define PREFIX_DS 0x20 | |
79 | #define PREFIX_ES 0x40 | |
80 | #define PREFIX_FS 0x80 | |
81 | #define PREFIX_GS 0x100 | |
82 | #define PREFIX_DATA 0x200 | |
83 | #define PREFIX_ADDR 0x400 | |
84 | #define PREFIX_FWAIT 0x800 | |
85 | ||
252b5132 RH |
86 | /* Make sure that bytes from INFO->PRIVATE_DATA->BUFFER (inclusive) |
87 | to ADDR (exclusive) are valid. Returns 1 for success, longjmps | |
88 | on error. */ | |
89 | #define FETCH_DATA(info, addr) \ | |
90 | ((addr) <= ((struct dis_private *)(info->private_data))->max_fetched \ | |
91 | ? 1 : fetch_data ((info), (addr))) | |
92 | ||
93 | static int | |
94 | fetch_data (info, addr) | |
95 | struct disassemble_info *info; | |
96 | bfd_byte *addr; | |
97 | { | |
98 | int status; | |
99 | struct dis_private *priv = (struct dis_private *)info->private_data; | |
100 | bfd_vma start = priv->insn_start + (priv->max_fetched - priv->the_buffer); | |
101 | ||
102 | status = (*info->read_memory_func) (start, | |
103 | priv->max_fetched, | |
104 | addr - priv->max_fetched, | |
105 | info); | |
106 | if (status != 0) | |
107 | { | |
7d421014 ILT |
108 | /* If we did manage to read at least one byte, then |
109 | print_insn_i386 will do something sensible. Otherwise, print | |
110 | an error. We do that here because this is where we know | |
111 | STATUS. */ | |
112 | if (priv->max_fetched == priv->the_buffer) | |
5076851f | 113 | (*info->memory_error_func) (status, start, info); |
252b5132 RH |
114 | longjmp (priv->bailout, 1); |
115 | } | |
116 | else | |
117 | priv->max_fetched = addr; | |
118 | return 1; | |
119 | } | |
120 | ||
57d91c3c ILT |
121 | #define XX NULL, 0 |
122 | ||
252b5132 RH |
123 | #define Eb OP_E, b_mode |
124 | #define indirEb OP_indirE, b_mode | |
125 | #define Gb OP_G, b_mode | |
126 | #define Ev OP_E, v_mode | |
2da11e11 | 127 | #define Ed OP_E, d_mode |
252b5132 RH |
128 | #define indirEv OP_indirE, v_mode |
129 | #define Ew OP_E, w_mode | |
130 | #define Ma OP_E, v_mode | |
2da11e11 AM |
131 | #define M OP_E, 0 /* lea */ |
132 | #define Mp OP_E, 0 /* 32 or 48 bit memory operand for LDS, LES etc */ | |
252b5132 RH |
133 | #define Gv OP_G, v_mode |
134 | #define Gw OP_G, w_mode | |
2da11e11 | 135 | #define Rd OP_Rd, d_mode |
252b5132 RH |
136 | #define Ib OP_I, b_mode |
137 | #define sIb OP_sI, b_mode /* sign extened byte */ | |
138 | #define Iv OP_I, v_mode | |
139 | #define Iw OP_I, w_mode | |
140 | #define Jb OP_J, b_mode | |
141 | #define Jv OP_J, v_mode | |
252b5132 RH |
142 | #define Cd OP_C, d_mode |
143 | #define Dd OP_D, d_mode | |
144 | #define Td OP_T, d_mode | |
145 | ||
146 | #define eAX OP_REG, eAX_reg | |
147 | #define eBX OP_REG, eBX_reg | |
148 | #define eCX OP_REG, eCX_reg | |
149 | #define eDX OP_REG, eDX_reg | |
150 | #define eSP OP_REG, eSP_reg | |
151 | #define eBP OP_REG, eBP_reg | |
152 | #define eSI OP_REG, eSI_reg | |
153 | #define eDI OP_REG, eDI_reg | |
154 | #define AL OP_REG, al_reg | |
155 | #define CL OP_REG, cl_reg | |
156 | #define DL OP_REG, dl_reg | |
157 | #define BL OP_REG, bl_reg | |
158 | #define AH OP_REG, ah_reg | |
159 | #define CH OP_REG, ch_reg | |
160 | #define DH OP_REG, dh_reg | |
161 | #define BH OP_REG, bh_reg | |
162 | #define AX OP_REG, ax_reg | |
163 | #define DX OP_REG, dx_reg | |
164 | #define indirDX OP_REG, indir_dx_reg | |
165 | ||
166 | #define Sw OP_SEG, w_mode | |
c608c12e | 167 | #define Ap OP_DIR, 0 |
252b5132 RH |
168 | #define Ob OP_OFF, b_mode |
169 | #define Ov OP_OFF, v_mode | |
170 | #define Xb OP_DSreg, eSI_reg | |
171 | #define Xv OP_DSreg, eSI_reg | |
172 | #define Yb OP_ESreg, eDI_reg | |
173 | #define Yv OP_ESreg, eDI_reg | |
174 | #define DSBX OP_DSreg, eBX_reg | |
175 | ||
176 | #define es OP_REG, es_reg | |
177 | #define ss OP_REG, ss_reg | |
178 | #define cs OP_REG, cs_reg | |
179 | #define ds OP_REG, ds_reg | |
180 | #define fs OP_REG, fs_reg | |
181 | #define gs OP_REG, gs_reg | |
182 | ||
183 | #define MX OP_MMX, 0 | |
c608c12e | 184 | #define XM OP_XMM, 0 |
252b5132 | 185 | #define EM OP_EM, v_mode |
c608c12e | 186 | #define EX OP_EX, v_mode |
2da11e11 | 187 | #define MS OP_MS, v_mode |
c608c12e | 188 | #define None OP_E, 0 |
252b5132 | 189 | #define OPSUF OP_3DNowSuffix, 0 |
c608c12e | 190 | #define OPSIMD OP_SIMD_Suffix, 0 |
252b5132 RH |
191 | |
192 | /* bits in sizeflag */ | |
193 | #if 0 /* leave undefined until someone adds the extra flag to objdump */ | |
194 | #define SUFFIX_ALWAYS 4 | |
195 | #endif | |
196 | #define AFLAG 2 | |
197 | #define DFLAG 1 | |
198 | ||
2da11e11 | 199 | typedef void (*op_rtn) PARAMS ((int bytemode, int sizeflag)); |
252b5132 RH |
200 | |
201 | static void OP_E PARAMS ((int, int)); | |
202 | static void OP_G PARAMS ((int, int)); | |
203 | static void OP_I PARAMS ((int, int)); | |
204 | static void OP_indirE PARAMS ((int, int)); | |
205 | static void OP_sI PARAMS ((int, int)); | |
206 | static void OP_REG PARAMS ((int, int)); | |
207 | static void OP_J PARAMS ((int, int)); | |
208 | static void OP_DIR PARAMS ((int, int)); | |
209 | static void OP_OFF PARAMS ((int, int)); | |
210 | static void OP_ESreg PARAMS ((int, int)); | |
211 | static void OP_DSreg PARAMS ((int, int)); | |
212 | static void OP_SEG PARAMS ((int, int)); | |
213 | static void OP_C PARAMS ((int, int)); | |
214 | static void OP_D PARAMS ((int, int)); | |
215 | static void OP_T PARAMS ((int, int)); | |
2da11e11 | 216 | static void OP_Rd PARAMS ((int, int)); |
252b5132 RH |
217 | static void OP_ST PARAMS ((int, int)); |
218 | static void OP_STi PARAMS ((int, int)); | |
252b5132 | 219 | static void OP_MMX PARAMS ((int, int)); |
c608c12e | 220 | static void OP_XMM PARAMS ((int, int)); |
252b5132 | 221 | static void OP_EM PARAMS ((int, int)); |
c608c12e | 222 | static void OP_EX PARAMS ((int, int)); |
252b5132 RH |
223 | static void OP_MS PARAMS ((int, int)); |
224 | static void OP_3DNowSuffix PARAMS ((int, int)); | |
c608c12e AM |
225 | static void OP_SIMD_Suffix PARAMS ((int, int)); |
226 | static void SIMD_Fixup PARAMS ((int, int)); | |
252b5132 RH |
227 | |
228 | static void append_seg PARAMS ((void)); | |
229 | static void set_op PARAMS ((unsigned int op)); | |
2da11e11 | 230 | static void putop PARAMS ((const char *template, int sizeflag)); |
252b5132 RH |
231 | static void dofloat PARAMS ((int sizeflag)); |
232 | static int get16 PARAMS ((void)); | |
233 | static int get32 PARAMS ((void)); | |
234 | static void ckprefix PARAMS ((void)); | |
7d421014 | 235 | static const char *prefix_name PARAMS ((int, int)); |
252b5132 | 236 | static void ptr_reg PARAMS ((int, int)); |
2da11e11 | 237 | static void BadOp PARAMS ((void)); |
252b5132 RH |
238 | |
239 | #define b_mode 1 | |
240 | #define v_mode 2 | |
241 | #define w_mode 3 | |
242 | #define d_mode 4 | |
243 | #define x_mode 5 | |
244 | ||
245 | #define es_reg 100 | |
246 | #define cs_reg 101 | |
247 | #define ss_reg 102 | |
248 | #define ds_reg 103 | |
249 | #define fs_reg 104 | |
250 | #define gs_reg 105 | |
252b5132 | 251 | |
c608c12e AM |
252 | #define eAX_reg 108 |
253 | #define eCX_reg 109 | |
254 | #define eDX_reg 110 | |
255 | #define eBX_reg 111 | |
256 | #define eSP_reg 112 | |
257 | #define eBP_reg 113 | |
258 | #define eSI_reg 114 | |
259 | #define eDI_reg 115 | |
252b5132 RH |
260 | |
261 | #define al_reg 116 | |
262 | #define cl_reg 117 | |
263 | #define dl_reg 118 | |
264 | #define bl_reg 119 | |
265 | #define ah_reg 120 | |
266 | #define ch_reg 121 | |
267 | #define dh_reg 122 | |
268 | #define bh_reg 123 | |
269 | ||
270 | #define ax_reg 124 | |
271 | #define cx_reg 125 | |
272 | #define dx_reg 126 | |
273 | #define bx_reg 127 | |
274 | #define sp_reg 128 | |
275 | #define bp_reg 129 | |
276 | #define si_reg 130 | |
277 | #define di_reg 131 | |
278 | ||
279 | #define indir_dx_reg 150 | |
280 | ||
c608c12e AM |
281 | #define USE_GROUPS 1 |
282 | #define USE_PREFIX_USER_TABLE 2 | |
283 | ||
57d91c3c ILT |
284 | #define GRP1b NULL, NULL, 0, NULL, USE_GROUPS, NULL, 0 |
285 | #define GRP1S NULL, NULL, 1, NULL, USE_GROUPS, NULL, 0 | |
286 | #define GRP1Ss NULL, NULL, 2, NULL, USE_GROUPS, NULL, 0 | |
287 | #define GRP2b NULL, NULL, 3, NULL, USE_GROUPS, NULL, 0 | |
288 | #define GRP2S NULL, NULL, 4, NULL, USE_GROUPS, NULL, 0 | |
289 | #define GRP2b_one NULL, NULL, 5, NULL, USE_GROUPS, NULL, 0 | |
290 | #define GRP2S_one NULL, NULL, 6, NULL, USE_GROUPS, NULL, 0 | |
291 | #define GRP2b_cl NULL, NULL, 7, NULL, USE_GROUPS, NULL, 0 | |
292 | #define GRP2S_cl NULL, NULL, 8, NULL, USE_GROUPS, NULL, 0 | |
293 | #define GRP3b NULL, NULL, 9, NULL, USE_GROUPS, NULL, 0 | |
294 | #define GRP3S NULL, NULL, 10, NULL, USE_GROUPS, NULL, 0 | |
295 | #define GRP4 NULL, NULL, 11, NULL, USE_GROUPS, NULL, 0 | |
296 | #define GRP5 NULL, NULL, 12, NULL, USE_GROUPS, NULL, 0 | |
297 | #define GRP6 NULL, NULL, 13, NULL, USE_GROUPS, NULL, 0 | |
298 | #define GRP7 NULL, NULL, 14, NULL, USE_GROUPS, NULL, 0 | |
299 | #define GRP8 NULL, NULL, 15, NULL, USE_GROUPS, NULL, 0 | |
300 | #define GRP9 NULL, NULL, 16, NULL, USE_GROUPS, NULL, 0 | |
301 | #define GRP10 NULL, NULL, 17, NULL, USE_GROUPS, NULL, 0 | |
302 | #define GRP11 NULL, NULL, 18, NULL, USE_GROUPS, NULL, 0 | |
303 | #define GRP12 NULL, NULL, 19, NULL, USE_GROUPS, NULL, 0 | |
304 | #define GRP13 NULL, NULL, 20, NULL, USE_GROUPS, NULL, 0 | |
305 | #define GRP14 NULL, NULL, 21, NULL, USE_GROUPS, NULL, 0 | |
306 | #define GRPAMD NULL, NULL, 22, NULL, USE_GROUPS, NULL, 0 | |
307 | ||
308 | #define PREGRP0 NULL, NULL, 0, NULL, USE_PREFIX_USER_TABLE, NULL, 0 | |
309 | #define PREGRP1 NULL, NULL, 1, NULL, USE_PREFIX_USER_TABLE, NULL, 0 | |
310 | #define PREGRP2 NULL, NULL, 2, NULL, USE_PREFIX_USER_TABLE, NULL, 0 | |
311 | #define PREGRP3 NULL, NULL, 3, NULL, USE_PREFIX_USER_TABLE, NULL, 0 | |
312 | #define PREGRP4 NULL, NULL, 4, NULL, USE_PREFIX_USER_TABLE, NULL, 0 | |
313 | #define PREGRP5 NULL, NULL, 5, NULL, USE_PREFIX_USER_TABLE, NULL, 0 | |
314 | #define PREGRP6 NULL, NULL, 6, NULL, USE_PREFIX_USER_TABLE, NULL, 0 | |
315 | #define PREGRP7 NULL, NULL, 7, NULL, USE_PREFIX_USER_TABLE, NULL, 0 | |
316 | #define PREGRP8 NULL, NULL, 8, NULL, USE_PREFIX_USER_TABLE, NULL, 0 | |
317 | #define PREGRP9 NULL, NULL, 9, NULL, USE_PREFIX_USER_TABLE, NULL, 0 | |
318 | #define PREGRP10 NULL, NULL, 10, NULL, USE_PREFIX_USER_TABLE, NULL, 0 | |
319 | #define PREGRP11 NULL, NULL, 11, NULL, USE_PREFIX_USER_TABLE, NULL, 0 | |
320 | #define PREGRP12 NULL, NULL, 12, NULL, USE_PREFIX_USER_TABLE, NULL, 0 | |
321 | #define PREGRP13 NULL, NULL, 13, NULL, USE_PREFIX_USER_TABLE, NULL, 0 | |
322 | #define PREGRP14 NULL, NULL, 14, NULL, USE_PREFIX_USER_TABLE, NULL, 0 | |
252b5132 RH |
323 | |
324 | #define FLOATCODE 50 | |
57d91c3c | 325 | #define FLOAT NULL, NULL, FLOATCODE, NULL, 0, NULL, 0 |
252b5132 RH |
326 | |
327 | struct dis386 { | |
2da11e11 | 328 | const char *name; |
252b5132 RH |
329 | op_rtn op1; |
330 | int bytemode1; | |
331 | op_rtn op2; | |
332 | int bytemode2; | |
333 | op_rtn op3; | |
334 | int bytemode3; | |
335 | }; | |
336 | ||
337 | /* Upper case letters in the instruction names here are macros. | |
338 | 'A' => print 'b' if no register operands or suffix_always is true | |
339 | 'B' => print 'b' if suffix_always is true | |
340 | 'E' => print 'e' if 32-bit form of jcxz | |
341 | 'L' => print 'l' if suffix_always is true | |
342 | 'N' => print 'n' if instruction has no wait "prefix" | |
343 | 'P' => print 'w' or 'l' if instruction has an operand size prefix, | |
344 | or suffix_always is true | |
345 | 'Q' => print 'w' or 'l' if no register operands or suffix_always is true | |
10084519 | 346 | 'R' => print 'w' or 'l' ("wd" or "dq" in intel mode) |
252b5132 | 347 | 'S' => print 'w' or 'l' if suffix_always is true |
10084519 | 348 | 'W' => print 'b' or 'w' ("w" or "de" in intel mode) |
252b5132 RH |
349 | */ |
350 | ||
2da11e11 | 351 | static const struct dis386 dis386_att[] = { |
252b5132 | 352 | /* 00 */ |
57d91c3c ILT |
353 | { "addB", Eb, Gb, XX }, |
354 | { "addS", Ev, Gv, XX }, | |
355 | { "addB", Gb, Eb, XX }, | |
356 | { "addS", Gv, Ev, XX }, | |
357 | { "addB", AL, Ib, XX }, | |
358 | { "addS", eAX, Iv, XX }, | |
359 | { "pushP", es, XX, XX }, | |
360 | { "popP", es, XX, XX }, | |
252b5132 | 361 | /* 08 */ |
57d91c3c ILT |
362 | { "orB", Eb, Gb, XX }, |
363 | { "orS", Ev, Gv, XX }, | |
364 | { "orB", Gb, Eb, XX }, | |
365 | { "orS", Gv, Ev, XX }, | |
366 | { "orB", AL, Ib, XX }, | |
367 | { "orS", eAX, Iv, XX }, | |
368 | { "pushP", cs, XX, XX }, | |
369 | { "(bad)", XX, XX, XX }, /* 0x0f extended opcode escape */ | |
252b5132 | 370 | /* 10 */ |
57d91c3c ILT |
371 | { "adcB", Eb, Gb, XX }, |
372 | { "adcS", Ev, Gv, XX }, | |
373 | { "adcB", Gb, Eb, XX }, | |
374 | { "adcS", Gv, Ev, XX }, | |
375 | { "adcB", AL, Ib, XX }, | |
376 | { "adcS", eAX, Iv, XX }, | |
377 | { "pushP", ss, XX, XX }, | |
378 | { "popP", ss, XX, XX }, | |
252b5132 | 379 | /* 18 */ |
57d91c3c ILT |
380 | { "sbbB", Eb, Gb, XX }, |
381 | { "sbbS", Ev, Gv, XX }, | |
382 | { "sbbB", Gb, Eb, XX }, | |
383 | { "sbbS", Gv, Ev, XX }, | |
384 | { "sbbB", AL, Ib, XX }, | |
385 | { "sbbS", eAX, Iv, XX }, | |
386 | { "pushP", ds, XX, XX }, | |
387 | { "popP", ds, XX, XX }, | |
252b5132 | 388 | /* 20 */ |
57d91c3c ILT |
389 | { "andB", Eb, Gb, XX }, |
390 | { "andS", Ev, Gv, XX }, | |
391 | { "andB", Gb, Eb, XX }, | |
392 | { "andS", Gv, Ev, XX }, | |
393 | { "andB", AL, Ib, XX }, | |
394 | { "andS", eAX, Iv, XX }, | |
395 | { "(bad)", XX, XX, XX }, /* SEG ES prefix */ | |
396 | { "daa", XX, XX, XX }, | |
252b5132 | 397 | /* 28 */ |
57d91c3c ILT |
398 | { "subB", Eb, Gb, XX }, |
399 | { "subS", Ev, Gv, XX }, | |
400 | { "subB", Gb, Eb, XX }, | |
401 | { "subS", Gv, Ev, XX }, | |
402 | { "subB", AL, Ib, XX }, | |
403 | { "subS", eAX, Iv, XX }, | |
404 | { "(bad)", XX, XX, XX }, /* SEG CS prefix */ | |
405 | { "das", XX, XX, XX }, | |
252b5132 | 406 | /* 30 */ |
57d91c3c ILT |
407 | { "xorB", Eb, Gb, XX }, |
408 | { "xorS", Ev, Gv, XX }, | |
409 | { "xorB", Gb, Eb, XX }, | |
410 | { "xorS", Gv, Ev, XX }, | |
411 | { "xorB", AL, Ib, XX }, | |
412 | { "xorS", eAX, Iv, XX }, | |
413 | { "(bad)", XX, XX, XX }, /* SEG SS prefix */ | |
414 | { "aaa", XX, XX, XX }, | |
252b5132 | 415 | /* 38 */ |
57d91c3c ILT |
416 | { "cmpB", Eb, Gb, XX }, |
417 | { "cmpS", Ev, Gv, XX }, | |
418 | { "cmpB", Gb, Eb, XX }, | |
419 | { "cmpS", Gv, Ev, XX }, | |
420 | { "cmpB", AL, Ib, XX }, | |
421 | { "cmpS", eAX, Iv, XX }, | |
422 | { "(bad)", XX, XX, XX }, /* SEG DS prefix */ | |
423 | { "aas", XX, XX, XX }, | |
252b5132 | 424 | /* 40 */ |
57d91c3c ILT |
425 | { "incS", eAX, XX, XX }, |
426 | { "incS", eCX, XX, XX }, | |
427 | { "incS", eDX, XX, XX }, | |
428 | { "incS", eBX, XX, XX }, | |
429 | { "incS", eSP, XX, XX }, | |
430 | { "incS", eBP, XX, XX }, | |
431 | { "incS", eSI, XX, XX }, | |
432 | { "incS", eDI, XX, XX }, | |
252b5132 | 433 | /* 48 */ |
57d91c3c ILT |
434 | { "decS", eAX, XX, XX }, |
435 | { "decS", eCX, XX, XX }, | |
436 | { "decS", eDX, XX, XX }, | |
437 | { "decS", eBX, XX, XX }, | |
438 | { "decS", eSP, XX, XX }, | |
439 | { "decS", eBP, XX, XX }, | |
440 | { "decS", eSI, XX, XX }, | |
441 | { "decS", eDI, XX, XX }, | |
252b5132 | 442 | /* 50 */ |
57d91c3c ILT |
443 | { "pushS", eAX, XX, XX }, |
444 | { "pushS", eCX, XX, XX }, | |
445 | { "pushS", eDX, XX, XX }, | |
446 | { "pushS", eBX, XX, XX }, | |
447 | { "pushS", eSP, XX, XX }, | |
448 | { "pushS", eBP, XX, XX }, | |
449 | { "pushS", eSI, XX, XX }, | |
450 | { "pushS", eDI, XX, XX }, | |
252b5132 | 451 | /* 58 */ |
57d91c3c ILT |
452 | { "popS", eAX, XX, XX }, |
453 | { "popS", eCX, XX, XX }, | |
454 | { "popS", eDX, XX, XX }, | |
455 | { "popS", eBX, XX, XX }, | |
456 | { "popS", eSP, XX, XX }, | |
457 | { "popS", eBP, XX, XX }, | |
458 | { "popS", eSI, XX, XX }, | |
459 | { "popS", eDI, XX, XX }, | |
252b5132 | 460 | /* 60 */ |
57d91c3c ILT |
461 | { "pushaP", XX, XX, XX }, |
462 | { "popaP", XX, XX, XX }, | |
463 | { "boundS", Gv, Ma, XX }, | |
464 | { "arpl", Ew, Gw, XX }, | |
465 | { "(bad)", XX, XX, XX }, /* seg fs */ | |
466 | { "(bad)", XX, XX, XX }, /* seg gs */ | |
467 | { "(bad)", XX, XX, XX }, /* op size prefix */ | |
468 | { "(bad)", XX, XX, XX }, /* adr size prefix */ | |
252b5132 | 469 | /* 68 */ |
57d91c3c | 470 | { "pushP", Iv, XX, XX }, /* 386 book wrong */ |
252b5132 | 471 | { "imulS", Gv, Ev, Iv }, |
57d91c3c | 472 | { "pushP", sIb, XX, XX }, /* push of byte really pushes 2 or 4 bytes */ |
252b5132 | 473 | { "imulS", Gv, Ev, sIb }, |
57d91c3c ILT |
474 | { "insb", Yb, indirDX, XX }, |
475 | { "insR", Yv, indirDX, XX }, | |
476 | { "outsb", indirDX, Xb, XX }, | |
477 | { "outsR", indirDX, Xv, XX }, | |
252b5132 | 478 | /* 70 */ |
57d91c3c ILT |
479 | { "jo", Jb, XX, XX }, |
480 | { "jno", Jb, XX, XX }, | |
481 | { "jb", Jb, XX, XX }, | |
482 | { "jae", Jb, XX, XX }, | |
483 | { "je", Jb, XX, XX }, | |
484 | { "jne", Jb, XX, XX }, | |
485 | { "jbe", Jb, XX, XX }, | |
486 | { "ja", Jb, XX, XX }, | |
252b5132 | 487 | /* 78 */ |
57d91c3c ILT |
488 | { "js", Jb, XX, XX }, |
489 | { "jns", Jb, XX, XX }, | |
490 | { "jp", Jb, XX, XX }, | |
491 | { "jnp", Jb, XX, XX }, | |
492 | { "jl", Jb, XX, XX }, | |
493 | { "jge", Jb, XX, XX }, | |
494 | { "jle", Jb, XX, XX }, | |
495 | { "jg", Jb, XX, XX }, | |
252b5132 RH |
496 | /* 80 */ |
497 | { GRP1b }, | |
498 | { GRP1S }, | |
57d91c3c | 499 | { "(bad)", XX, XX, XX }, |
252b5132 | 500 | { GRP1Ss }, |
57d91c3c ILT |
501 | { "testB", Eb, Gb, XX }, |
502 | { "testS", Ev, Gv, XX }, | |
503 | { "xchgB", Eb, Gb, XX }, | |
504 | { "xchgS", Ev, Gv, XX }, | |
252b5132 | 505 | /* 88 */ |
57d91c3c ILT |
506 | { "movB", Eb, Gb, XX }, |
507 | { "movS", Ev, Gv, XX }, | |
508 | { "movB", Gb, Eb, XX }, | |
509 | { "movS", Gv, Ev, XX }, | |
510 | { "movQ", Ev, Sw, XX }, | |
511 | { "leaS", Gv, M, XX }, | |
512 | { "movQ", Sw, Ev, XX }, | |
513 | { "popQ", Ev, XX, XX }, | |
252b5132 | 514 | /* 90 */ |
57d91c3c ILT |
515 | { "nop", XX, XX, XX }, |
516 | { "xchgS", eCX, eAX, XX }, | |
517 | { "xchgS", eDX, eAX, XX }, | |
518 | { "xchgS", eBX, eAX, XX }, | |
519 | { "xchgS", eSP, eAX, XX }, | |
520 | { "xchgS", eBP, eAX, XX }, | |
521 | { "xchgS", eSI, eAX, XX }, | |
522 | { "xchgS", eDI, eAX, XX }, | |
252b5132 | 523 | /* 98 */ |
57d91c3c ILT |
524 | { "cWtR", XX, XX, XX }, |
525 | { "cRtd", XX, XX, XX }, | |
526 | { "lcallP", Ap, XX, XX }, | |
527 | { "(bad)", XX, XX, XX }, /* fwait */ | |
528 | { "pushfP", XX, XX, XX }, | |
529 | { "popfP", XX, XX, XX }, | |
530 | { "sahf", XX, XX, XX }, | |
531 | { "lahf", XX, XX, XX }, | |
252b5132 | 532 | /* a0 */ |
57d91c3c ILT |
533 | { "movB", AL, Ob, XX }, |
534 | { "movS", eAX, Ov, XX }, | |
535 | { "movB", Ob, AL, XX }, | |
536 | { "movS", Ov, eAX, XX }, | |
537 | { "movsb", Yb, Xb, XX }, | |
538 | { "movsR", Yv, Xv, XX }, | |
539 | { "cmpsb", Xb, Yb, XX }, | |
540 | { "cmpsR", Xv, Yv, XX }, | |
252b5132 | 541 | /* a8 */ |
57d91c3c ILT |
542 | { "testB", AL, Ib, XX }, |
543 | { "testS", eAX, Iv, XX }, | |
544 | { "stosB", Yb, AL, XX }, | |
545 | { "stosS", Yv, eAX, XX }, | |
546 | { "lodsB", AL, Xb, XX }, | |
547 | { "lodsS", eAX, Xv, XX }, | |
548 | { "scasB", AL, Yb, XX }, | |
549 | { "scasS", eAX, Yv, XX }, | |
252b5132 | 550 | /* b0 */ |
57d91c3c ILT |
551 | { "movB", AL, Ib, XX }, |
552 | { "movB", CL, Ib, XX }, | |
553 | { "movB", DL, Ib, XX }, | |
554 | { "movB", BL, Ib, XX }, | |
555 | { "movB", AH, Ib, XX }, | |
556 | { "movB", CH, Ib, XX }, | |
557 | { "movB", DH, Ib, XX }, | |
558 | { "movB", BH, Ib, XX }, | |
252b5132 | 559 | /* b8 */ |
57d91c3c ILT |
560 | { "movS", eAX, Iv, XX }, |
561 | { "movS", eCX, Iv, XX }, | |
562 | { "movS", eDX, Iv, XX }, | |
563 | { "movS", eBX, Iv, XX }, | |
564 | { "movS", eSP, Iv, XX }, | |
565 | { "movS", eBP, Iv, XX }, | |
566 | { "movS", eSI, Iv, XX }, | |
567 | { "movS", eDI, Iv, XX }, | |
252b5132 RH |
568 | /* c0 */ |
569 | { GRP2b }, | |
570 | { GRP2S }, | |
57d91c3c ILT |
571 | { "retP", Iw, XX, XX }, |
572 | { "retP", XX, XX, XX }, | |
573 | { "lesS", Gv, Mp, XX }, | |
574 | { "ldsS", Gv, Mp, XX }, | |
575 | { "movA", Eb, Ib, XX }, | |
576 | { "movQ", Ev, Iv, XX }, | |
252b5132 | 577 | /* c8 */ |
57d91c3c ILT |
578 | { "enterP", Iw, Ib, XX }, |
579 | { "leaveP", XX, XX, XX }, | |
580 | { "lretP", Iw, XX, XX }, | |
581 | { "lretP", XX, XX, XX }, | |
582 | { "int3", XX, XX, XX }, | |
583 | { "int", Ib, XX, XX }, | |
584 | { "into", XX, XX, XX}, | |
585 | { "iretP", XX, XX, XX }, | |
252b5132 RH |
586 | /* d0 */ |
587 | { GRP2b_one }, | |
588 | { GRP2S_one }, | |
589 | { GRP2b_cl }, | |
590 | { GRP2S_cl }, | |
57d91c3c ILT |
591 | { "aam", sIb, XX, XX }, |
592 | { "aad", sIb, XX, XX }, | |
593 | { "(bad)", XX, XX, XX }, | |
594 | { "xlat", DSBX, XX, XX }, | |
252b5132 RH |
595 | /* d8 */ |
596 | { FLOAT }, | |
597 | { FLOAT }, | |
598 | { FLOAT }, | |
599 | { FLOAT }, | |
600 | { FLOAT }, | |
601 | { FLOAT }, | |
602 | { FLOAT }, | |
603 | { FLOAT }, | |
604 | /* e0 */ | |
57d91c3c ILT |
605 | { "loopne", Jb, XX, XX }, |
606 | { "loope", Jb, XX, XX }, | |
607 | { "loop", Jb, XX, XX }, | |
608 | { "jEcxz", Jb, XX, XX }, | |
609 | { "inB", AL, Ib, XX }, | |
610 | { "inS", eAX, Ib, XX }, | |
611 | { "outB", Ib, AL, XX }, | |
612 | { "outS", Ib, eAX, XX }, | |
252b5132 | 613 | /* e8 */ |
57d91c3c ILT |
614 | { "callP", Jv, XX, XX }, |
615 | { "jmpP", Jv, XX, XX }, | |
616 | { "ljmpP", Ap, XX, XX }, | |
617 | { "jmp", Jb, XX, XX }, | |
618 | { "inB", AL, indirDX, XX }, | |
619 | { "inS", eAX, indirDX, XX }, | |
620 | { "outB", indirDX, AL, XX }, | |
621 | { "outS", indirDX, eAX, XX }, | |
252b5132 | 622 | /* f0 */ |
57d91c3c ILT |
623 | { "(bad)", XX, XX, XX }, /* lock prefix */ |
624 | { "(bad)", XX, XX, XX }, | |
625 | { "(bad)", XX, XX, XX }, /* repne */ | |
626 | { "(bad)", XX, XX, XX }, /* repz */ | |
627 | { "hlt", XX, XX, XX }, | |
628 | { "cmc", XX, XX, XX }, | |
252b5132 RH |
629 | { GRP3b }, |
630 | { GRP3S }, | |
631 | /* f8 */ | |
57d91c3c ILT |
632 | { "clc", XX, XX, XX }, |
633 | { "stc", XX, XX, XX }, | |
634 | { "cli", XX, XX, XX }, | |
635 | { "sti", XX, XX, XX }, | |
636 | { "cld", XX, XX, XX }, | |
637 | { "std", XX, XX, XX }, | |
252b5132 RH |
638 | { GRP4 }, |
639 | { GRP5 }, | |
640 | }; | |
641 | ||
2da11e11 | 642 | static const struct dis386 dis386_intel[] = { |
252b5132 | 643 | /* 00 */ |
57d91c3c ILT |
644 | { "add", Eb, Gb, XX }, |
645 | { "add", Ev, Gv, XX }, | |
646 | { "add", Gb, Eb, XX }, | |
647 | { "add", Gv, Ev, XX }, | |
648 | { "add", AL, Ib, XX }, | |
649 | { "add", eAX, Iv, XX }, | |
650 | { "push", es, XX, XX }, | |
651 | { "pop", es, XX, XX }, | |
252b5132 | 652 | /* 08 */ |
57d91c3c ILT |
653 | { "or", Eb, Gb, XX }, |
654 | { "or", Ev, Gv, XX }, | |
655 | { "or", Gb, Eb, XX }, | |
656 | { "or", Gv, Ev, XX }, | |
657 | { "or", AL, Ib, XX }, | |
658 | { "or", eAX, Iv, XX }, | |
659 | { "push", cs, XX, XX }, | |
660 | { "(bad)", XX, XX, XX }, /* 0x0f extended opcode escape */ | |
252b5132 | 661 | /* 10 */ |
57d91c3c ILT |
662 | { "adc", Eb, Gb, XX }, |
663 | { "adc", Ev, Gv, XX }, | |
664 | { "adc", Gb, Eb, XX }, | |
665 | { "adc", Gv, Ev, XX }, | |
666 | { "adc", AL, Ib, XX }, | |
667 | { "adc", eAX, Iv, XX }, | |
668 | { "push", ss, XX, XX }, | |
669 | { "pop", ss, XX, XX }, | |
252b5132 | 670 | /* 18 */ |
57d91c3c ILT |
671 | { "sbb", Eb, Gb, XX }, |
672 | { "sbb", Ev, Gv, XX }, | |
673 | { "sbb", Gb, Eb, XX }, | |
674 | { "sbb", Gv, Ev, XX }, | |
675 | { "sbb", AL, Ib, XX }, | |
676 | { "sbb", eAX, Iv, XX }, | |
677 | { "push", ds, XX, XX }, | |
678 | { "pop", ds, XX, XX }, | |
252b5132 | 679 | /* 20 */ |
57d91c3c ILT |
680 | { "and", Eb, Gb, XX }, |
681 | { "and", Ev, Gv, XX }, | |
682 | { "and", Gb, Eb, XX }, | |
683 | { "and", Gv, Ev, XX }, | |
684 | { "and", AL, Ib, XX }, | |
685 | { "and", eAX, Iv, XX }, | |
686 | { "(bad)", XX, XX, XX }, /* SEG ES prefix */ | |
687 | { "daa", XX, XX, XX }, | |
252b5132 | 688 | /* 28 */ |
57d91c3c ILT |
689 | { "sub", Eb, Gb, XX }, |
690 | { "sub", Ev, Gv, XX }, | |
691 | { "sub", Gb, Eb, XX }, | |
692 | { "sub", Gv, Ev, XX }, | |
693 | { "sub", AL, Ib, XX }, | |
694 | { "sub", eAX, Iv, XX }, | |
695 | { "(bad)", XX, XX, XX }, /* SEG CS prefix */ | |
696 | { "das", XX, XX, XX }, | |
252b5132 | 697 | /* 30 */ |
57d91c3c ILT |
698 | { "xor", Eb, Gb, XX }, |
699 | { "xor", Ev, Gv, XX }, | |
700 | { "xor", Gb, Eb, XX }, | |
701 | { "xor", Gv, Ev, XX }, | |
702 | { "xor", AL, Ib, XX }, | |
703 | { "xor", eAX, Iv, XX }, | |
704 | { "(bad)", XX, XX, XX }, /* SEG SS prefix */ | |
705 | { "aaa", XX, XX, XX }, | |
252b5132 | 706 | /* 38 */ |
57d91c3c ILT |
707 | { "cmp", Eb, Gb, XX }, |
708 | { "cmp", Ev, Gv, XX }, | |
709 | { "cmp", Gb, Eb, XX }, | |
710 | { "cmp", Gv, Ev, XX }, | |
711 | { "cmp", AL, Ib, XX }, | |
712 | { "cmp", eAX, Iv, XX }, | |
713 | { "(bad)", XX, XX, XX }, /* SEG DS prefix */ | |
714 | { "aas", XX, XX, XX }, | |
252b5132 | 715 | /* 40 */ |
57d91c3c ILT |
716 | { "inc", eAX, XX, XX }, |
717 | { "inc", eCX, XX, XX }, | |
718 | { "inc", eDX, XX, XX }, | |
719 | { "inc", eBX, XX, XX }, | |
720 | { "inc", eSP, XX, XX }, | |
721 | { "inc", eBP, XX, XX }, | |
722 | { "inc", eSI, XX, XX }, | |
723 | { "inc", eDI, XX, XX }, | |
252b5132 | 724 | /* 48 */ |
57d91c3c ILT |
725 | { "dec", eAX, XX, XX }, |
726 | { "dec", eCX, XX, XX }, | |
727 | { "dec", eDX, XX, XX }, | |
728 | { "dec", eBX, XX, XX }, | |
729 | { "dec", eSP, XX, XX }, | |
730 | { "dec", eBP, XX, XX }, | |
731 | { "dec", eSI, XX, XX }, | |
732 | { "dec", eDI, XX, XX }, | |
252b5132 | 733 | /* 50 */ |
57d91c3c ILT |
734 | { "push", eAX, XX, XX }, |
735 | { "push", eCX, XX, XX }, | |
736 | { "push", eDX, XX, XX }, | |
737 | { "push", eBX, XX, XX }, | |
738 | { "push", eSP, XX, XX }, | |
739 | { "push", eBP, XX, XX }, | |
740 | { "push", eSI, XX, XX }, | |
741 | { "push", eDI, XX, XX }, | |
252b5132 | 742 | /* 58 */ |
57d91c3c ILT |
743 | { "pop", eAX, XX, XX }, |
744 | { "pop", eCX, XX, XX }, | |
745 | { "pop", eDX, XX, XX }, | |
746 | { "pop", eBX, XX, XX }, | |
747 | { "pop", eSP, XX, XX }, | |
748 | { "pop", eBP, XX, XX }, | |
749 | { "pop", eSI, XX, XX }, | |
750 | { "pop", eDI, XX, XX }, | |
252b5132 | 751 | /* 60 */ |
57d91c3c ILT |
752 | { "pusha", XX, XX, XX }, |
753 | { "popa", XX, XX, XX }, | |
754 | { "bound", Gv, Ma, XX }, | |
755 | { "arpl", Ew, Gw, XX }, | |
756 | { "(bad)", XX, XX, XX }, /* seg fs */ | |
757 | { "(bad)", XX, XX, XX }, /* seg gs */ | |
758 | { "(bad)", XX, XX, XX }, /* op size prefix */ | |
759 | { "(bad)", XX, XX, XX }, /* adr size prefix */ | |
252b5132 | 760 | /* 68 */ |
57d91c3c | 761 | { "push", Iv, XX, XX }, /* 386 book wrong */ |
c608c12e | 762 | { "imul", Gv, Ev, Iv }, |
57d91c3c | 763 | { "push", sIb, XX, XX }, /* push of byte really pushes 2 or 4 bytes */ |
c608c12e | 764 | { "imul", Gv, Ev, sIb }, |
57d91c3c ILT |
765 | { "ins", Yb, indirDX, XX }, |
766 | { "ins", Yv, indirDX, XX }, | |
767 | { "outs", indirDX, Xb, XX }, | |
768 | { "outs", indirDX, Xv, XX }, | |
252b5132 | 769 | /* 70 */ |
57d91c3c ILT |
770 | { "jo", Jb, XX, XX }, |
771 | { "jno", Jb, XX, XX }, | |
772 | { "jb", Jb, XX, XX }, | |
773 | { "jae", Jb, XX, XX }, | |
774 | { "je", Jb, XX, XX }, | |
775 | { "jne", Jb, XX, XX }, | |
776 | { "jbe", Jb, XX, XX }, | |
777 | { "ja", Jb, XX, XX }, | |
252b5132 | 778 | /* 78 */ |
57d91c3c ILT |
779 | { "js", Jb, XX, XX }, |
780 | { "jns", Jb, XX, XX }, | |
781 | { "jp", Jb, XX, XX }, | |
782 | { "jnp", Jb, XX, XX }, | |
783 | { "jl", Jb, XX, XX }, | |
784 | { "jge", Jb, XX, XX }, | |
785 | { "jle", Jb, XX, XX }, | |
786 | { "jg", Jb, XX, XX }, | |
252b5132 RH |
787 | /* 80 */ |
788 | { GRP1b }, | |
789 | { GRP1S }, | |
57d91c3c | 790 | { "(bad)", XX, XX, XX }, |
252b5132 | 791 | { GRP1Ss }, |
57d91c3c ILT |
792 | { "test", Eb, Gb, XX }, |
793 | { "test", Ev, Gv, XX }, | |
794 | { "xchg", Eb, Gb, XX }, | |
795 | { "xchg", Ev, Gv, XX }, | |
252b5132 | 796 | /* 88 */ |
57d91c3c ILT |
797 | { "mov", Eb, Gb, XX }, |
798 | { "mov", Ev, Gv, XX }, | |
799 | { "mov", Gb, Eb, XX }, | |
800 | { "mov", Gv, Ev, XX }, | |
801 | { "mov", Ev, Sw, XX }, | |
802 | { "lea", Gv, M, XX }, | |
803 | { "mov", Sw, Ev, XX }, | |
804 | { "pop", Ev, XX, XX }, | |
252b5132 | 805 | /* 90 */ |
57d91c3c ILT |
806 | { "nop", XX, XX, XX }, |
807 | { "xchg", eCX, eAX, XX }, | |
808 | { "xchg", eDX, eAX, XX }, | |
809 | { "xchg", eBX, eAX, XX }, | |
810 | { "xchg", eSP, eAX, XX }, | |
811 | { "xchg", eBP, eAX, XX }, | |
812 | { "xchg", eSI, eAX, XX }, | |
813 | { "xchg", eDI, eAX, XX }, | |
252b5132 | 814 | /* 98 */ |
57d91c3c ILT |
815 | { "cW", XX, XX, XX }, /* cwde and cbw */ |
816 | { "cR", XX, XX, XX }, /* cdq and cwd */ | |
817 | { "lcall", Ap, XX, XX }, | |
818 | { "(bad)", XX, XX, XX }, /* fwait */ | |
819 | { "pushf", XX, XX, XX }, | |
820 | { "popf", XX, XX, XX }, | |
821 | { "sahf", XX, XX, XX }, | |
822 | { "lahf", XX, XX, XX }, | |
252b5132 | 823 | /* a0 */ |
57d91c3c ILT |
824 | { "mov", AL, Ob, XX }, |
825 | { "mov", eAX, Ov, XX }, | |
826 | { "mov", Ob, AL, XX }, | |
827 | { "mov", Ov, eAX, XX }, | |
828 | { "movs", Yb, Xb, XX }, | |
829 | { "movs", Yv, Xv, XX }, | |
830 | { "cmps", Xb, Yb, XX }, | |
831 | { "cmps", Xv, Yv, XX }, | |
252b5132 | 832 | /* a8 */ |
57d91c3c ILT |
833 | { "test", AL, Ib, XX }, |
834 | { "test", eAX, Iv, XX }, | |
835 | { "stos", Yb, AL, XX }, | |
836 | { "stos", Yv, eAX, XX }, | |
837 | { "lods", AL, Xb, XX }, | |
838 | { "lods", eAX, Xv, XX }, | |
839 | { "scas", AL, Yb, XX }, | |
840 | { "scas", eAX, Yv, XX }, | |
252b5132 | 841 | /* b0 */ |
57d91c3c ILT |
842 | { "mov", AL, Ib, XX }, |
843 | { "mov", CL, Ib, XX }, | |
844 | { "mov", DL, Ib, XX }, | |
845 | { "mov", BL, Ib, XX }, | |
846 | { "mov", AH, Ib, XX }, | |
847 | { "mov", CH, Ib, XX }, | |
848 | { "mov", DH, Ib, XX }, | |
849 | { "mov", BH, Ib, XX }, | |
252b5132 | 850 | /* b8 */ |
57d91c3c ILT |
851 | { "mov", eAX, Iv, XX }, |
852 | { "mov", eCX, Iv, XX }, | |
853 | { "mov", eDX, Iv, XX }, | |
854 | { "mov", eBX, Iv, XX }, | |
855 | { "mov", eSP, Iv, XX }, | |
856 | { "mov", eBP, Iv, XX }, | |
857 | { "mov", eSI, Iv, XX }, | |
858 | { "mov", eDI, Iv, XX }, | |
252b5132 RH |
859 | /* c0 */ |
860 | { GRP2b }, | |
861 | { GRP2S }, | |
57d91c3c ILT |
862 | { "ret", Iw, XX, XX }, |
863 | { "ret", XX, XX, XX }, | |
864 | { "les", Gv, Mp, XX }, | |
865 | { "lds", Gv, Mp, XX }, | |
866 | { "mov", Eb, Ib, XX }, | |
867 | { "mov", Ev, Iv, XX }, | |
252b5132 | 868 | /* c8 */ |
57d91c3c ILT |
869 | { "enter", Iw, Ib, XX }, |
870 | { "leave", XX, XX, XX }, | |
871 | { "lret", Iw, XX, XX }, | |
872 | { "lret", XX, XX, XX }, | |
873 | { "int3", XX, XX, XX }, | |
874 | { "int", Ib, XX, XX }, | |
875 | { "into", XX, XX, XX }, | |
876 | { "iret", XX, XX, XX }, | |
252b5132 RH |
877 | /* d0 */ |
878 | { GRP2b_one }, | |
879 | { GRP2S_one }, | |
880 | { GRP2b_cl }, | |
881 | { GRP2S_cl }, | |
57d91c3c ILT |
882 | { "aam", sIb, XX, XX }, |
883 | { "aad", sIb, XX, XX }, | |
884 | { "(bad)", XX, XX, XX }, | |
885 | { "xlat", DSBX, XX, XX }, | |
252b5132 RH |
886 | /* d8 */ |
887 | { FLOAT }, | |
888 | { FLOAT }, | |
889 | { FLOAT }, | |
890 | { FLOAT }, | |
891 | { FLOAT }, | |
892 | { FLOAT }, | |
893 | { FLOAT }, | |
894 | { FLOAT }, | |
895 | /* e0 */ | |
57d91c3c ILT |
896 | { "loopne", Jb, XX, XX }, |
897 | { "loope", Jb, XX, XX }, | |
898 | { "loop", Jb, XX, XX }, | |
899 | { "jEcxz", Jb, XX, XX }, | |
900 | { "in", AL, Ib, XX }, | |
901 | { "in", eAX, Ib, XX }, | |
902 | { "out", Ib, AL, XX }, | |
903 | { "out", Ib, eAX, XX }, | |
252b5132 | 904 | /* e8 */ |
57d91c3c ILT |
905 | { "call", Jv, XX, XX }, |
906 | { "jmp", Jv, XX, XX }, | |
907 | { "ljmp", Ap, XX, XX }, | |
908 | { "jmp", Jb, XX, XX }, | |
909 | { "in", AL, indirDX, XX }, | |
910 | { "in", eAX, indirDX, XX }, | |
911 | { "out", indirDX, AL, XX }, | |
912 | { "out", indirDX, eAX, XX }, | |
252b5132 | 913 | /* f0 */ |
57d91c3c ILT |
914 | { "(bad)", XX, XX, XX }, /* lock prefix */ |
915 | { "(bad)", XX, XX, XX }, | |
916 | { "(bad)", XX, XX, XX }, /* repne */ | |
917 | { "(bad)", XX, XX, XX }, /* repz */ | |
918 | { "hlt", XX, XX, XX }, | |
919 | { "cmc", XX, XX, XX }, | |
252b5132 RH |
920 | { GRP3b }, |
921 | { GRP3S }, | |
922 | /* f8 */ | |
57d91c3c ILT |
923 | { "clc", XX, XX, XX }, |
924 | { "stc", XX, XX, XX }, | |
925 | { "cli", XX, XX, XX }, | |
926 | { "sti", XX, XX, XX }, | |
927 | { "cld", XX, XX, XX }, | |
928 | { "std", XX, XX, XX }, | |
252b5132 RH |
929 | { GRP4 }, |
930 | { GRP5 }, | |
931 | }; | |
932 | ||
2da11e11 | 933 | static const struct dis386 dis386_twobyte_att[] = { |
252b5132 RH |
934 | /* 00 */ |
935 | { GRP6 }, | |
936 | { GRP7 }, | |
57d91c3c ILT |
937 | { "larS", Gv, Ew, XX }, |
938 | { "lslS", Gv, Ew, XX }, | |
939 | { "(bad)", XX, XX, XX }, | |
940 | { "(bad)", XX, XX, XX }, | |
941 | { "clts", XX, XX, XX }, | |
942 | { "(bad)", XX, XX, XX }, | |
252b5132 | 943 | /* 08 */ |
57d91c3c ILT |
944 | { "invd", XX, XX, XX }, |
945 | { "wbinvd", XX, XX, XX }, | |
946 | { "(bad)", XX, XX, XX }, | |
947 | { "ud2a", XX, XX, XX }, | |
948 | { "(bad)", XX, XX, XX }, | |
c608c12e | 949 | { GRPAMD }, |
57d91c3c | 950 | { "femms", XX, XX, XX }, |
252b5132 RH |
951 | { "", MX, EM, OPSUF }, /* See OP_3DNowSuffix */ |
952 | /* 10 */ | |
c608c12e AM |
953 | { PREGRP8 }, |
954 | { PREGRP9 }, | |
955 | { "movlps", XM, EX, SIMD_Fixup, 'h' }, /* really only 2 operands */ | |
956 | { "movlps", EX, XM, SIMD_Fixup, 'h' }, | |
57d91c3c ILT |
957 | { "unpcklps", XM, EX, XX }, |
958 | { "unpckhps", XM, EX, XX }, | |
c608c12e AM |
959 | { "movhps", XM, EX, SIMD_Fixup, 'l' }, |
960 | { "movhps", EX, XM, SIMD_Fixup, 'l' }, | |
252b5132 | 961 | /* 18 */ |
c608c12e | 962 | { GRP14 }, |
57d91c3c ILT |
963 | { "(bad)", XX, XX, XX }, |
964 | { "(bad)", XX, XX, XX }, | |
965 | { "(bad)", XX, XX, XX }, | |
966 | { "(bad)", XX, XX, XX }, | |
967 | { "(bad)", XX, XX, XX }, | |
968 | { "(bad)", XX, XX, XX }, | |
969 | { "(bad)", XX, XX, XX }, | |
252b5132 RH |
970 | /* 20 */ |
971 | /* these are all backward in appendix A of the intel book */ | |
57d91c3c ILT |
972 | { "movL", Rd, Cd, XX }, |
973 | { "movL", Rd, Dd, XX }, | |
974 | { "movL", Cd, Rd, XX }, | |
975 | { "movL", Dd, Rd, XX }, | |
976 | { "movL", Rd, Td, XX }, | |
977 | { "(bad)", XX, XX, XX }, | |
978 | { "movL", Td, Rd, XX }, | |
979 | { "(bad)", XX, XX, XX }, | |
252b5132 | 980 | /* 28 */ |
57d91c3c ILT |
981 | { "movaps", XM, EX, XX }, |
982 | { "movaps", EX, XM, XX }, | |
c608c12e | 983 | { PREGRP2 }, |
57d91c3c | 984 | { "movntps", Ev, XM, XX }, |
2da11e11 | 985 | { PREGRP4 }, |
c608c12e | 986 | { PREGRP3 }, |
57d91c3c ILT |
987 | { "ucomiss", XM, EX, XX }, |
988 | { "comiss", XM, EX, XX }, | |
252b5132 | 989 | /* 30 */ |
57d91c3c ILT |
990 | { "wrmsr", XX, XX, XX }, |
991 | { "rdtsc", XX, XX, XX }, | |
992 | { "rdmsr", XX, XX, XX }, | |
993 | { "rdpmc", XX, XX, XX }, | |
994 | { "sysenter", XX, XX, XX }, | |
995 | { "sysexit", XX, XX, XX }, | |
996 | { "(bad)", XX, XX, XX }, | |
997 | { "(bad)", XX, XX, XX }, | |
252b5132 | 998 | /* 38 */ |
57d91c3c ILT |
999 | { "(bad)", XX, XX, XX }, |
1000 | { "(bad)", XX, XX, XX }, | |
1001 | { "(bad)", XX, XX, XX }, | |
1002 | { "(bad)", XX, XX, XX }, | |
1003 | { "(bad)", XX, XX, XX }, | |
1004 | { "(bad)", XX, XX, XX }, | |
1005 | { "(bad)", XX, XX, XX }, | |
1006 | { "(bad)", XX, XX, XX }, | |
252b5132 | 1007 | /* 40 */ |
57d91c3c ILT |
1008 | { "cmovo", Gv, Ev, XX }, |
1009 | { "cmovno", Gv, Ev, XX }, | |
1010 | { "cmovb", Gv, Ev, XX }, | |
1011 | { "cmovae", Gv, Ev, XX }, | |
1012 | { "cmove", Gv, Ev, XX }, | |
1013 | { "cmovne", Gv, Ev, XX }, | |
1014 | { "cmovbe", Gv, Ev, XX }, | |
1015 | { "cmova", Gv, Ev, XX }, | |
252b5132 | 1016 | /* 48 */ |
57d91c3c ILT |
1017 | { "cmovs", Gv, Ev, XX }, |
1018 | { "cmovns", Gv, Ev, XX }, | |
1019 | { "cmovp", Gv, Ev, XX }, | |
1020 | { "cmovnp", Gv, Ev, XX }, | |
1021 | { "cmovl", Gv, Ev, XX }, | |
1022 | { "cmovge", Gv, Ev, XX }, | |
1023 | { "cmovle", Gv, Ev, XX }, | |
1024 | { "cmovg", Gv, Ev, XX }, | |
252b5132 | 1025 | /* 50 */ |
57d91c3c | 1026 | { "movmskps", Gv, EX, XX }, |
c608c12e AM |
1027 | { PREGRP13 }, |
1028 | { PREGRP12 }, | |
1029 | { PREGRP11 }, | |
57d91c3c ILT |
1030 | { "andps", XM, EX, XX }, |
1031 | { "andnps", XM, EX, XX }, | |
1032 | { "orps", XM, EX, XX }, | |
1033 | { "xorps", XM, EX, XX }, | |
252b5132 | 1034 | /* 58 */ |
c608c12e AM |
1035 | { PREGRP0 }, |
1036 | { PREGRP10 }, | |
57d91c3c ILT |
1037 | { "(bad)", XX, XX, XX }, |
1038 | { "(bad)", XX, XX, XX }, | |
c608c12e AM |
1039 | { PREGRP14 }, |
1040 | { PREGRP7 }, | |
1041 | { PREGRP5 }, | |
2da11e11 | 1042 | { PREGRP6 }, |
252b5132 | 1043 | /* 60 */ |
57d91c3c ILT |
1044 | { "punpcklbw", MX, EM, XX }, |
1045 | { "punpcklwd", MX, EM, XX }, | |
1046 | { "punpckldq", MX, EM, XX }, | |
1047 | { "packsswb", MX, EM, XX }, | |
1048 | { "pcmpgtb", MX, EM, XX }, | |
1049 | { "pcmpgtw", MX, EM, XX }, | |
1050 | { "pcmpgtd", MX, EM, XX }, | |
1051 | { "packuswb", MX, EM, XX }, | |
252b5132 | 1052 | /* 68 */ |
57d91c3c ILT |
1053 | { "punpckhbw", MX, EM, XX }, |
1054 | { "punpckhwd", MX, EM, XX }, | |
1055 | { "punpckhdq", MX, EM, XX }, | |
1056 | { "packssdw", MX, EM, XX }, | |
1057 | { "(bad)", XX, XX, XX }, | |
1058 | { "(bad)", XX, XX, XX }, | |
1059 | { "movd", MX, Ed, XX }, | |
1060 | { "movq", MX, EM, XX }, | |
252b5132 | 1061 | /* 70 */ |
c608c12e | 1062 | { "pshufw", MX, EM, Ib }, |
252b5132 RH |
1063 | { GRP10 }, |
1064 | { GRP11 }, | |
1065 | { GRP12 }, | |
57d91c3c ILT |
1066 | { "pcmpeqb", MX, EM, XX }, |
1067 | { "pcmpeqw", MX, EM, XX }, | |
1068 | { "pcmpeqd", MX, EM, XX }, | |
1069 | { "emms", XX, XX, XX }, | |
252b5132 | 1070 | /* 78 */ |
57d91c3c ILT |
1071 | { "(bad)", XX, XX, XX }, |
1072 | { "(bad)", XX, XX, XX }, | |
1073 | { "(bad)", XX, XX, XX }, | |
1074 | { "(bad)", XX, XX, XX }, | |
1075 | { "(bad)", XX, XX, XX }, | |
1076 | { "(bad)", XX, XX, XX }, | |
1077 | { "movd", Ed, MX, XX }, | |
1078 | { "movq", EM, MX, XX }, | |
252b5132 | 1079 | /* 80 */ |
57d91c3c ILT |
1080 | { "jo", Jv, XX, XX }, |
1081 | { "jno", Jv, XX, XX }, | |
1082 | { "jb", Jv, XX, XX }, | |
1083 | { "jae", Jv, XX, XX }, | |
1084 | { "je", Jv, XX, XX }, | |
1085 | { "jne", Jv, XX, XX }, | |
1086 | { "jbe", Jv, XX, XX }, | |
1087 | { "ja", Jv, XX, XX }, | |
252b5132 | 1088 | /* 88 */ |
57d91c3c ILT |
1089 | { "js", Jv, XX, XX }, |
1090 | { "jns", Jv, XX, XX }, | |
1091 | { "jp", Jv, XX, XX }, | |
1092 | { "jnp", Jv, XX, XX }, | |
1093 | { "jl", Jv, XX, XX }, | |
1094 | { "jge", Jv, XX, XX }, | |
1095 | { "jle", Jv, XX, XX }, | |
1096 | { "jg", Jv, XX, XX }, | |
252b5132 | 1097 | /* 90 */ |
57d91c3c ILT |
1098 | { "seto", Eb, XX, XX }, |
1099 | { "setno", Eb, XX, XX }, | |
1100 | { "setb", Eb, XX, XX }, | |
1101 | { "setae", Eb, XX, XX }, | |
1102 | { "sete", Eb, XX, XX }, | |
1103 | { "setne", Eb, XX, XX }, | |
1104 | { "setbe", Eb, XX, XX }, | |
1105 | { "seta", Eb, XX, XX }, | |
252b5132 | 1106 | /* 98 */ |
57d91c3c ILT |
1107 | { "sets", Eb, XX, XX }, |
1108 | { "setns", Eb, XX, XX }, | |
1109 | { "setp", Eb, XX, XX }, | |
1110 | { "setnp", Eb, XX, XX }, | |
1111 | { "setl", Eb, XX, XX }, | |
1112 | { "setge", Eb, XX, XX }, | |
1113 | { "setle", Eb, XX, XX }, | |
1114 | { "setg", Eb, XX, XX }, | |
252b5132 | 1115 | /* a0 */ |
57d91c3c ILT |
1116 | { "pushP", fs, XX, XX }, |
1117 | { "popP", fs, XX, XX }, | |
1118 | { "cpuid", XX, XX, XX }, | |
1119 | { "btS", Ev, Gv, XX }, | |
252b5132 RH |
1120 | { "shldS", Ev, Gv, Ib }, |
1121 | { "shldS", Ev, Gv, CL }, | |
57d91c3c ILT |
1122 | { "(bad)", XX, XX, XX }, |
1123 | { "(bad)", XX, XX, XX }, | |
252b5132 | 1124 | /* a8 */ |
57d91c3c ILT |
1125 | { "pushP", gs, XX, XX }, |
1126 | { "popP", gs, XX, XX }, | |
1127 | { "rsm", XX, XX, XX }, | |
1128 | { "btsS", Ev, Gv, XX }, | |
252b5132 RH |
1129 | { "shrdS", Ev, Gv, Ib }, |
1130 | { "shrdS", Ev, Gv, CL }, | |
1131 | { GRP13 }, | |
57d91c3c | 1132 | { "imulS", Gv, Ev, XX }, |
252b5132 | 1133 | /* b0 */ |
57d91c3c ILT |
1134 | { "cmpxchgB", Eb, Gb, XX }, |
1135 | { "cmpxchgS", Ev, Gv, XX }, | |
1136 | { "lssS", Gv, Mp, XX }, | |
1137 | { "btrS", Ev, Gv, XX }, | |
1138 | { "lfsS", Gv, Mp, XX }, | |
1139 | { "lgsS", Gv, Mp, XX }, | |
1140 | { "movzbR", Gv, Eb, XX }, | |
1141 | { "movzwR", Gv, Ew, XX }, /* yes, there really is movzww ! */ | |
252b5132 | 1142 | /* b8 */ |
57d91c3c ILT |
1143 | { "(bad)", XX, XX, XX }, |
1144 | { "ud2b", XX, XX, XX }, | |
252b5132 | 1145 | { GRP8 }, |
57d91c3c ILT |
1146 | { "btcS", Ev, Gv, XX }, |
1147 | { "bsfS", Gv, Ev, XX }, | |
1148 | { "bsrS", Gv, Ev, XX }, | |
1149 | { "movsbR", Gv, Eb, XX }, | |
1150 | { "movswR", Gv, Ew, XX }, /* yes, there really is movsww ! */ | |
252b5132 | 1151 | /* c0 */ |
57d91c3c ILT |
1152 | { "xaddB", Eb, Gb, XX }, |
1153 | { "xaddS", Ev, Gv, XX }, | |
c608c12e | 1154 | { PREGRP1 }, |
57d91c3c | 1155 | { "(bad)", XX, XX, XX }, |
c608c12e AM |
1156 | { "pinsrw", MX, Ev, Ib }, |
1157 | { "pextrw", Ev, MX, Ib }, | |
1158 | { "shufps", XM, EX, Ib }, | |
252b5132 RH |
1159 | { GRP9 }, |
1160 | /* c8 */ | |
57d91c3c ILT |
1161 | { "bswap", eAX, XX, XX }, /* bswap doesn't support 16 bit regs */ |
1162 | { "bswap", eCX, XX, XX }, | |
1163 | { "bswap", eDX, XX, XX }, | |
1164 | { "bswap", eBX, XX, XX }, | |
1165 | { "bswap", eSP, XX, XX }, | |
1166 | { "bswap", eBP, XX, XX }, | |
1167 | { "bswap", eSI, XX, XX }, | |
1168 | { "bswap", eDI, XX, XX }, | |
252b5132 | 1169 | /* d0 */ |
57d91c3c ILT |
1170 | { "(bad)", XX, XX, XX }, |
1171 | { "psrlw", MX, EM, XX }, | |
1172 | { "psrld", MX, EM, XX }, | |
1173 | { "psrlq", MX, EM, XX }, | |
1174 | { "(bad)", XX, XX, XX }, | |
1175 | { "pmullw", MX, EM, XX }, | |
1176 | { "(bad)", XX, XX, XX }, | |
1177 | { "pmovmskb", Ev, MX, XX }, | |
252b5132 | 1178 | /* d8 */ |
57d91c3c ILT |
1179 | { "psubusb", MX, EM, XX }, |
1180 | { "psubusw", MX, EM, XX }, | |
1181 | { "pminub", MX, EM, XX }, | |
1182 | { "pand", MX, EM, XX }, | |
1183 | { "paddusb", MX, EM, XX }, | |
1184 | { "paddusw", MX, EM, XX }, | |
1185 | { "pmaxub", MX, EM, XX }, | |
1186 | { "pandn", MX, EM, XX }, | |
252b5132 | 1187 | /* e0 */ |
57d91c3c ILT |
1188 | { "pavgb", MX, EM, XX }, |
1189 | { "psraw", MX, EM, XX }, | |
1190 | { "psrad", MX, EM, XX }, | |
1191 | { "pavgw", MX, EM, XX }, | |
1192 | { "pmulhuw", MX, EM, XX }, | |
1193 | { "pmulhw", MX, EM, XX }, | |
1194 | { "(bad)", XX, XX, XX }, | |
1195 | { "movntq", Ev, MX, XX }, | |
252b5132 | 1196 | /* e8 */ |
57d91c3c ILT |
1197 | { "psubsb", MX, EM, XX }, |
1198 | { "psubsw", MX, EM, XX }, | |
1199 | { "pminsw", MX, EM, XX }, | |
1200 | { "por", MX, EM, XX }, | |
1201 | { "paddsb", MX, EM, XX }, | |
1202 | { "paddsw", MX, EM, XX }, | |
1203 | { "pmaxsw", MX, EM, XX }, | |
1204 | { "pxor", MX, EM, XX }, | |
252b5132 | 1205 | /* f0 */ |
57d91c3c ILT |
1206 | { "(bad)", XX, XX, XX }, |
1207 | { "psllw", MX, EM, XX }, | |
1208 | { "pslld", MX, EM, XX }, | |
1209 | { "psllq", MX, EM, XX }, | |
1210 | { "(bad)", XX, XX, XX }, | |
1211 | { "pmaddwd", MX, EM, XX }, | |
1212 | { "psadbw", MX, EM, XX }, | |
1213 | { "maskmovq", MX, EM, XX }, | |
252b5132 | 1214 | /* f8 */ |
57d91c3c ILT |
1215 | { "psubb", MX, EM, XX }, |
1216 | { "psubw", MX, EM, XX }, | |
1217 | { "psubd", MX, EM, XX }, | |
1218 | { "(bad)", XX, XX, XX }, | |
1219 | { "paddb", MX, EM, XX }, | |
1220 | { "paddw", MX, EM, XX }, | |
1221 | { "paddd", MX, EM, XX }, | |
1222 | { "(bad)", XX, XX, XX } | |
252b5132 RH |
1223 | }; |
1224 | ||
2da11e11 | 1225 | static const struct dis386 dis386_twobyte_intel[] = { |
252b5132 RH |
1226 | /* 00 */ |
1227 | { GRP6 }, | |
1228 | { GRP7 }, | |
57d91c3c ILT |
1229 | { "lar", Gv, Ew, XX }, |
1230 | { "lsl", Gv, Ew, XX }, | |
1231 | { "(bad)", XX, XX, XX }, | |
1232 | { "(bad)", XX, XX, XX }, | |
1233 | { "clts", XX, XX, XX }, | |
1234 | { "(bad)", XX, XX, XX }, | |
252b5132 | 1235 | /* 08 */ |
57d91c3c ILT |
1236 | { "invd", XX, XX, XX }, |
1237 | { "wbinvd", XX, XX, XX }, | |
1238 | { "(bad)", XX, XX, XX }, | |
1239 | { "ud2a", XX, XX, XX }, | |
1240 | { "(bad)", XX, XX, XX }, | |
c608c12e | 1241 | { GRPAMD }, |
57d91c3c | 1242 | { "femms" , XX, XX, XX}, |
252b5132 RH |
1243 | { "", MX, EM, OPSUF }, /* See OP_3DNowSuffix */ |
1244 | /* 10 */ | |
c608c12e AM |
1245 | { PREGRP8 }, |
1246 | { PREGRP9 }, | |
1247 | { "movlps", XM, EX, SIMD_Fixup, 'h' }, /* really only 2 operands */ | |
1248 | { "movlps", EX, XM, SIMD_Fixup, 'h' }, | |
57d91c3c ILT |
1249 | { "unpcklps", XM, EX, XX }, |
1250 | { "unpckhps", XM, EX, XX }, | |
c608c12e AM |
1251 | { "movhps", XM, EX, SIMD_Fixup, 'l' }, |
1252 | { "movhps", EX, XM, SIMD_Fixup, 'l' }, | |
252b5132 | 1253 | /* 18 */ |
c608c12e | 1254 | { GRP14 }, |
57d91c3c ILT |
1255 | { "(bad)", XX, XX, XX }, |
1256 | { "(bad)", XX, XX, XX }, | |
1257 | { "(bad)", XX, XX, XX }, | |
1258 | { "(bad)", XX, XX, XX }, | |
1259 | { "(bad)", XX, XX, XX }, | |
1260 | { "(bad)", XX, XX, XX }, | |
1261 | { "(bad)", XX, XX, XX }, | |
252b5132 RH |
1262 | /* 20 */ |
1263 | /* these are all backward in appendix A of the intel book */ | |
57d91c3c ILT |
1264 | { "mov", Rd, Cd, XX }, |
1265 | { "mov", Rd, Dd, XX }, | |
1266 | { "mov", Cd, Rd, XX }, | |
1267 | { "mov", Dd, Rd, XX }, | |
1268 | { "mov", Rd, Td, XX }, | |
1269 | { "(bad)", XX, XX, XX }, | |
1270 | { "mov", Td, Rd, XX }, | |
1271 | { "(bad)", XX, XX, XX }, | |
252b5132 | 1272 | /* 28 */ |
57d91c3c ILT |
1273 | { "movaps", XM, EX, XX }, |
1274 | { "movaps", EX, XM, XX }, | |
c608c12e | 1275 | { PREGRP2 }, |
57d91c3c | 1276 | { "movntps", Ev, XM, XX }, |
2da11e11 | 1277 | { PREGRP4 }, |
c608c12e | 1278 | { PREGRP3 }, |
57d91c3c ILT |
1279 | { "ucomiss", XM, EX, XX }, |
1280 | { "comiss", XM, EX, XX }, | |
252b5132 | 1281 | /* 30 */ |
57d91c3c ILT |
1282 | { "wrmsr", XX, XX, XX }, |
1283 | { "rdtsc", XX, XX, XX }, | |
1284 | { "rdmsr", XX, XX, XX }, | |
1285 | { "rdpmc", XX, XX, XX }, | |
1286 | { "sysenter", XX, XX, XX }, | |
1287 | { "sysexit", XX, XX, XX }, | |
1288 | { "(bad)", XX, XX, XX }, | |
1289 | { "(bad)", XX, XX, XX }, | |
252b5132 | 1290 | /* 38 */ |
57d91c3c ILT |
1291 | { "(bad)", XX, XX, XX }, |
1292 | { "(bad)", XX, XX, XX }, | |
1293 | { "(bad)", XX, XX, XX }, | |
1294 | { "(bad)", XX, XX, XX }, | |
1295 | { "(bad)", XX, XX, XX }, | |
1296 | { "(bad)", XX, XX, XX }, | |
1297 | { "(bad)", XX, XX, XX }, | |
1298 | { "(bad)", XX, XX, XX }, | |
252b5132 | 1299 | /* 40 */ |
57d91c3c ILT |
1300 | { "cmovo", Gv, Ev, XX }, |
1301 | { "cmovno", Gv, Ev, XX }, | |
1302 | { "cmovb", Gv, Ev, XX }, | |
1303 | { "cmovae", Gv, Ev, XX }, | |
1304 | { "cmove", Gv, Ev, XX }, | |
1305 | { "cmovne", Gv, Ev, XX }, | |
1306 | { "cmovbe", Gv, Ev, XX }, | |
1307 | { "cmova", Gv, Ev, XX }, | |
252b5132 | 1308 | /* 48 */ |
57d91c3c ILT |
1309 | { "cmovs", Gv, Ev, XX }, |
1310 | { "cmovns", Gv, Ev, XX }, | |
1311 | { "cmovp", Gv, Ev, XX }, | |
1312 | { "cmovnp", Gv, Ev, XX }, | |
1313 | { "cmovl", Gv, Ev, XX }, | |
1314 | { "cmovge", Gv, Ev, XX }, | |
1315 | { "cmovle", Gv, Ev, XX }, | |
1316 | { "cmovg", Gv, Ev, XX }, | |
252b5132 | 1317 | /* 50 */ |
57d91c3c | 1318 | { "movmskps", Gv, EX, XX }, |
c608c12e AM |
1319 | { PREGRP13 }, |
1320 | { PREGRP12 }, | |
1321 | { PREGRP11 }, | |
57d91c3c ILT |
1322 | { "andps", XM, EX, XX }, |
1323 | { "andnps", XM, EX, XX }, | |
1324 | { "orps", XM, EX, XX }, | |
1325 | { "xorps", XM, EX, XX }, | |
252b5132 | 1326 | /* 58 */ |
c608c12e AM |
1327 | { PREGRP0 }, |
1328 | { PREGRP10 }, | |
57d91c3c ILT |
1329 | { "(bad)", XX, XX, XX }, |
1330 | { "(bad)", XX, XX, XX }, | |
c608c12e AM |
1331 | { PREGRP14 }, |
1332 | { PREGRP7 }, | |
1333 | { PREGRP5 }, | |
2da11e11 | 1334 | { PREGRP6 }, |
252b5132 | 1335 | /* 60 */ |
57d91c3c ILT |
1336 | { "punpcklbw", MX, EM, XX }, |
1337 | { "punpcklwd", MX, EM, XX }, | |
1338 | { "punpckldq", MX, EM, XX }, | |
1339 | { "packsswb", MX, EM, XX }, | |
1340 | { "pcmpgtb", MX, EM, XX }, | |
1341 | { "pcmpgtw", MX, EM, XX }, | |
1342 | { "pcmpgtd", MX, EM, XX }, | |
1343 | { "packuswb", MX, EM, XX }, | |
252b5132 | 1344 | /* 68 */ |
57d91c3c ILT |
1345 | { "punpckhbw", MX, EM, XX }, |
1346 | { "punpckhwd", MX, EM, XX }, | |
1347 | { "punpckhdq", MX, EM, XX }, | |
1348 | { "packssdw", MX, EM, XX }, | |
1349 | { "(bad)", XX, XX, XX }, | |
1350 | { "(bad)", XX, XX, XX }, | |
1351 | { "movd", MX, Ed, XX }, | |
1352 | { "movq", MX, EM, XX }, | |
252b5132 | 1353 | /* 70 */ |
c608c12e | 1354 | { "pshufw", MX, EM, Ib }, |
252b5132 RH |
1355 | { GRP10 }, |
1356 | { GRP11 }, | |
1357 | { GRP12 }, | |
57d91c3c ILT |
1358 | { "pcmpeqb", MX, EM, XX }, |
1359 | { "pcmpeqw", MX, EM, XX }, | |
1360 | { "pcmpeqd", MX, EM, XX }, | |
1361 | { "emms", XX, XX, XX }, | |
252b5132 | 1362 | /* 78 */ |
57d91c3c ILT |
1363 | { "(bad)", XX, XX, XX }, |
1364 | { "(bad)", XX, XX, XX }, | |
1365 | { "(bad)", XX, XX, XX }, | |
1366 | { "(bad)", XX, XX, XX }, | |
1367 | { "(bad)", XX, XX, XX }, | |
1368 | { "(bad)", XX, XX, XX }, | |
1369 | { "movd", Ed, MX, XX }, | |
1370 | { "movq", EM, MX, XX }, | |
252b5132 | 1371 | /* 80 */ |
57d91c3c ILT |
1372 | { "jo", Jv, XX, XX }, |
1373 | { "jno", Jv, XX, XX }, | |
1374 | { "jb", Jv, XX, XX }, | |
1375 | { "jae", Jv, XX, XX }, | |
1376 | { "je", Jv, XX, XX }, | |
1377 | { "jne", Jv, XX, XX }, | |
1378 | { "jbe", Jv, XX, XX }, | |
1379 | { "ja", Jv, XX, XX }, | |
252b5132 | 1380 | /* 88 */ |
57d91c3c ILT |
1381 | { "js", Jv, XX, XX }, |
1382 | { "jns", Jv, XX, XX }, | |
1383 | { "jp", Jv, XX, XX }, | |
1384 | { "jnp", Jv, XX, XX }, | |
1385 | { "jl", Jv, XX, XX }, | |
1386 | { "jge", Jv, XX, XX }, | |
1387 | { "jle", Jv, XX, XX }, | |
1388 | { "jg", Jv, XX, XX }, | |
252b5132 | 1389 | /* 90 */ |
57d91c3c ILT |
1390 | { "seto", Eb, XX, XX }, |
1391 | { "setno", Eb, XX, XX }, | |
1392 | { "setb", Eb, XX, XX }, | |
1393 | { "setae", Eb, XX, XX }, | |
1394 | { "sete", Eb, XX, XX }, | |
1395 | { "setne", Eb, XX, XX }, | |
1396 | { "setbe", Eb, XX, XX }, | |
1397 | { "seta", Eb, XX, XX }, | |
252b5132 | 1398 | /* 98 */ |
57d91c3c ILT |
1399 | { "sets", Eb, XX, XX }, |
1400 | { "setns", Eb, XX, XX }, | |
1401 | { "setp", Eb, XX, XX }, | |
1402 | { "setnp", Eb, XX, XX }, | |
1403 | { "setl", Eb, XX, XX }, | |
1404 | { "setge", Eb, XX, XX }, | |
1405 | { "setle", Eb, XX, XX }, | |
1406 | { "setg", Eb, XX, XX }, | |
252b5132 | 1407 | /* a0 */ |
57d91c3c ILT |
1408 | { "push", fs, XX, XX }, |
1409 | { "pop", fs, XX, XX }, | |
1410 | { "cpuid", XX, XX, XX }, | |
1411 | { "bt", Ev, Gv, XX }, | |
c608c12e AM |
1412 | { "shld", Ev, Gv, Ib }, |
1413 | { "shld", Ev, Gv, CL }, | |
57d91c3c ILT |
1414 | { "(bad)", XX, XX, XX }, |
1415 | { "(bad)", XX, XX, XX }, | |
252b5132 | 1416 | /* a8 */ |
57d91c3c ILT |
1417 | { "push", gs, XX, XX }, |
1418 | { "pop", gs, XX, XX }, | |
1419 | { "rsm" , XX, XX, XX}, | |
1420 | { "bts", Ev, Gv, XX }, | |
c608c12e AM |
1421 | { "shrd", Ev, Gv, Ib }, |
1422 | { "shrd", Ev, Gv, CL }, | |
252b5132 | 1423 | { GRP13 }, |
57d91c3c | 1424 | { "imul", Gv, Ev, XX }, |
252b5132 | 1425 | /* b0 */ |
57d91c3c ILT |
1426 | { "cmpxchg", Eb, Gb, XX }, |
1427 | { "cmpxchg", Ev, Gv, XX }, | |
1428 | { "lss", Gv, Mp, XX }, | |
1429 | { "btr", Ev, Gv, XX }, | |
1430 | { "lfs", Gv, Mp, XX }, | |
1431 | { "lgs", Gv, Mp, XX }, | |
1432 | { "movzx", Gv, Eb, XX }, | |
1433 | { "movzx", Gv, Ew, XX }, | |
252b5132 | 1434 | /* b8 */ |
57d91c3c ILT |
1435 | { "(bad)", XX, XX, XX }, |
1436 | { "ud2b", XX, XX, XX }, | |
252b5132 | 1437 | { GRP8 }, |
57d91c3c ILT |
1438 | { "btc", Ev, Gv, XX }, |
1439 | { "bsf", Gv, Ev, XX }, | |
1440 | { "bsr", Gv, Ev, XX }, | |
1441 | { "movsx", Gv, Eb, XX }, | |
1442 | { "movsx", Gv, Ew, XX }, | |
252b5132 | 1443 | /* c0 */ |
57d91c3c ILT |
1444 | { "xadd", Eb, Gb, XX }, |
1445 | { "xadd", Ev, Gv, XX }, | |
c608c12e | 1446 | { PREGRP1 }, |
57d91c3c | 1447 | { "(bad)", XX, XX, XX }, |
c608c12e AM |
1448 | { "pinsrw", MX, Ev, Ib }, |
1449 | { "pextrw", Ev, MX, Ib }, | |
1450 | { "shufps", XM, EX, Ib }, | |
252b5132 RH |
1451 | { GRP9 }, |
1452 | /* c8 */ | |
57d91c3c ILT |
1453 | { "bswap", eAX, XX, XX }, /* bswap doesn't support 16 bit regs */ |
1454 | { "bswap", eCX, XX, XX }, | |
1455 | { "bswap", eDX, XX, XX }, | |
1456 | { "bswap", eBX, XX, XX }, | |
1457 | { "bswap", eSP, XX, XX }, | |
1458 | { "bswap", eBP, XX, XX }, | |
1459 | { "bswap", eSI, XX, XX }, | |
1460 | { "bswap", eDI, XX, XX }, | |
252b5132 | 1461 | /* d0 */ |
57d91c3c ILT |
1462 | { "(bad)", XX, XX, XX }, |
1463 | { "psrlw", MX, EM, XX }, | |
1464 | { "psrld", MX, EM, XX }, | |
1465 | { "psrlq", MX, EM, XX }, | |
1466 | { "(bad)", XX, XX, XX }, | |
1467 | { "pmullw", MX, EM, XX }, | |
1468 | { "(bad)", XX, XX, XX }, | |
1469 | { "pmovmskb", Ev, MX, XX }, | |
252b5132 | 1470 | /* d8 */ |
57d91c3c ILT |
1471 | { "psubusb", MX, EM, XX }, |
1472 | { "psubusw", MX, EM, XX }, | |
1473 | { "pminub", MX, EM, XX }, | |
1474 | { "pand", MX, EM, XX }, | |
1475 | { "paddusb", MX, EM, XX }, | |
1476 | { "paddusw", MX, EM, XX }, | |
1477 | { "pmaxub", MX, EM, XX }, | |
1478 | { "pandn", MX, EM, XX }, | |
252b5132 | 1479 | /* e0 */ |
57d91c3c ILT |
1480 | { "pavgb", MX, EM, XX }, |
1481 | { "psraw", MX, EM, XX }, | |
1482 | { "psrad", MX, EM, XX }, | |
1483 | { "pavgw", MX, EM, XX }, | |
1484 | { "pmulhuw", MX, EM, XX }, | |
1485 | { "pmulhw", MX, EM, XX }, | |
1486 | { "(bad)", XX, XX, XX }, | |
1487 | { "movntq", Ev, MX, XX }, | |
252b5132 | 1488 | /* e8 */ |
57d91c3c ILT |
1489 | { "psubsb", MX, EM, XX }, |
1490 | { "psubsw", MX, EM, XX }, | |
1491 | { "pminsw", MX, EM, XX }, | |
1492 | { "por", MX, EM, XX }, | |
1493 | { "paddsb", MX, EM, XX }, | |
1494 | { "paddsw", MX, EM, XX }, | |
1495 | { "pmaxsw", MX, EM, XX }, | |
1496 | { "pxor", MX, EM, XX }, | |
252b5132 | 1497 | /* f0 */ |
57d91c3c ILT |
1498 | { "(bad)", XX, XX, XX }, |
1499 | { "psllw", MX, EM, XX }, | |
1500 | { "pslld", MX, EM, XX }, | |
1501 | { "psllq", MX, EM, XX }, | |
1502 | { "(bad)", XX, XX, XX }, | |
1503 | { "pmaddwd", MX, EM, XX }, | |
1504 | { "psadbw", MX, EM, XX }, | |
1505 | { "maskmovq", MX, EM, XX }, | |
252b5132 | 1506 | /* f8 */ |
57d91c3c ILT |
1507 | { "psubb", MX, EM, XX }, |
1508 | { "psubw", MX, EM, XX }, | |
1509 | { "psubd", MX, EM, XX }, | |
1510 | { "(bad)", XX, XX, XX }, | |
1511 | { "paddb", MX, EM, XX }, | |
1512 | { "paddw", MX, EM, XX }, | |
1513 | { "paddd", MX, EM, XX }, | |
1514 | { "(bad)", XX, XX, XX } | |
252b5132 RH |
1515 | }; |
1516 | ||
1517 | static const unsigned char onebyte_has_modrm[256] = { | |
c608c12e AM |
1518 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ |
1519 | /* ------------------------------- */ | |
1520 | /* 00 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 00 */ | |
1521 | /* 10 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 10 */ | |
1522 | /* 20 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 20 */ | |
1523 | /* 30 */ 1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0, /* 30 */ | |
1524 | /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 40 */ | |
1525 | /* 50 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 50 */ | |
1526 | /* 60 */ 0,0,1,1,0,0,0,0,0,1,0,1,0,0,0,0, /* 60 */ | |
1527 | /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 70 */ | |
1528 | /* 80 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 80 */ | |
1529 | /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 90 */ | |
1530 | /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* a0 */ | |
1531 | /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* b0 */ | |
1532 | /* c0 */ 1,1,0,0,1,1,1,1,0,0,0,0,0,0,0,0, /* c0 */ | |
1533 | /* d0 */ 1,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1, /* d0 */ | |
1534 | /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* e0 */ | |
1535 | /* f0 */ 0,0,0,0,0,0,1,1,0,0,0,0,0,0,1,1 /* f0 */ | |
1536 | /* ------------------------------- */ | |
1537 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ | |
252b5132 RH |
1538 | }; |
1539 | ||
1540 | static const unsigned char twobyte_has_modrm[256] = { | |
c608c12e AM |
1541 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ |
1542 | /* ------------------------------- */ | |
252b5132 | 1543 | /* 00 */ 1,1,1,1,0,0,0,0,0,0,0,0,0,1,0,1, /* 0f */ |
c608c12e AM |
1544 | /* 10 */ 1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0, /* 1f */ |
1545 | /* 20 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 2f */ | |
252b5132 RH |
1546 | /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */ |
1547 | /* 40 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 4f */ | |
c608c12e | 1548 | /* 50 */ 1,1,1,1,1,1,1,1,1,1,0,0,1,1,1,1, /* 5f */ |
252b5132 | 1549 | /* 60 */ 1,1,1,1,1,1,1,1,1,1,1,1,0,0,1,1, /* 6f */ |
c608c12e | 1550 | /* 70 */ 1,1,1,1,1,1,1,0,0,0,0,0,0,0,1,1, /* 7f */ |
252b5132 RH |
1551 | /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */ |
1552 | /* 90 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 9f */ | |
1553 | /* a0 */ 0,0,0,1,1,1,1,1,0,0,0,1,1,1,1,1, /* af */ | |
1554 | /* b0 */ 1,1,1,1,1,1,1,1,0,0,1,1,1,1,1,1, /* bf */ | |
1555 | /* c0 */ 1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0, /* cf */ | |
c608c12e AM |
1556 | /* d0 */ 0,1,1,1,0,1,0,1,1,1,1,1,1,1,1,1, /* df */ |
1557 | /* e0 */ 1,1,1,1,1,1,0,1,1,1,1,1,1,1,1,1, /* ef */ | |
1558 | /* f0 */ 0,1,1,1,0,1,1,1,1,1,1,0,1,1,1,0 /* ff */ | |
1559 | /* ------------------------------- */ | |
1560 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ | |
1561 | }; | |
1562 | ||
1563 | static const unsigned char twobyte_uses_f3_prefix[256] = { | |
1564 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ | |
1565 | /* ------------------------------- */ | |
1566 | /* 00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0f */ | |
1567 | /* 10 */ 1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 1f */ | |
1568 | /* 20 */ 0,0,0,0,0,0,0,0,0,0,1,0,1,1,0,0, /* 2f */ | |
1569 | /* 30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 3f */ | |
1570 | /* 40 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 4f */ | |
1571 | /* 50 */ 0,1,1,1,0,0,0,0,1,1,0,0,1,1,1,1, /* 5f */ | |
1572 | /* 60 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 6f */ | |
1573 | /* 70 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 7f */ | |
1574 | /* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */ | |
1575 | /* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */ | |
1576 | /* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */ | |
1577 | /* b0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* bf */ | |
1578 | /* c0 */ 0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */ | |
1579 | /* d0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* df */ | |
1580 | /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ef */ | |
1581 | /* f0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 /* ff */ | |
1582 | /* ------------------------------- */ | |
1583 | /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ | |
252b5132 RH |
1584 | }; |
1585 | ||
1586 | static char obuf[100]; | |
1587 | static char *obufp; | |
1588 | static char scratchbuf[100]; | |
1589 | static unsigned char *start_codep; | |
1590 | static unsigned char *insn_codep; | |
1591 | static unsigned char *codep; | |
1592 | static disassemble_info *the_info; | |
1593 | static int mod; | |
1594 | static int rm; | |
1595 | static int reg; | |
2da11e11 | 1596 | static void oappend PARAMS ((const char *s)); |
252b5132 | 1597 | |
2da11e11 | 1598 | static const char *names32[]={ |
252b5132 RH |
1599 | "%eax","%ecx","%edx","%ebx", "%esp","%ebp","%esi","%edi", |
1600 | }; | |
2da11e11 | 1601 | static const char *names16[] = { |
252b5132 RH |
1602 | "%ax","%cx","%dx","%bx","%sp","%bp","%si","%di", |
1603 | }; | |
2da11e11 | 1604 | static const char *names8[] = { |
252b5132 RH |
1605 | "%al","%cl","%dl","%bl","%ah","%ch","%dh","%bh", |
1606 | }; | |
2da11e11 | 1607 | static const char *names_seg[] = { |
252b5132 RH |
1608 | "%es","%cs","%ss","%ds","%fs","%gs","%?","%?", |
1609 | }; | |
2da11e11 | 1610 | static const char *index16[] = { |
252b5132 RH |
1611 | "%bx,%si","%bx,%di","%bp,%si","%bp,%di","%si","%di","%bp","%bx" |
1612 | }; | |
1613 | ||
2da11e11 | 1614 | static const struct dis386 grps[][8] = { |
252b5132 RH |
1615 | /* GRP1b */ |
1616 | { | |
57d91c3c ILT |
1617 | { "addA", Eb, Ib, XX }, |
1618 | { "orA", Eb, Ib, XX }, | |
1619 | { "adcA", Eb, Ib, XX }, | |
1620 | { "sbbA", Eb, Ib, XX }, | |
1621 | { "andA", Eb, Ib, XX }, | |
1622 | { "subA", Eb, Ib, XX }, | |
1623 | { "xorA", Eb, Ib, XX }, | |
1624 | { "cmpA", Eb, Ib, XX } | |
252b5132 RH |
1625 | }, |
1626 | /* GRP1S */ | |
1627 | { | |
57d91c3c ILT |
1628 | { "addQ", Ev, Iv, XX }, |
1629 | { "orQ", Ev, Iv, XX }, | |
1630 | { "adcQ", Ev, Iv, XX }, | |
1631 | { "sbbQ", Ev, Iv, XX }, | |
1632 | { "andQ", Ev, Iv, XX }, | |
1633 | { "subQ", Ev, Iv, XX }, | |
1634 | { "xorQ", Ev, Iv, XX }, | |
1635 | { "cmpQ", Ev, Iv, XX } | |
252b5132 RH |
1636 | }, |
1637 | /* GRP1Ss */ | |
1638 | { | |
57d91c3c ILT |
1639 | { "addQ", Ev, sIb, XX }, |
1640 | { "orQ", Ev, sIb, XX }, | |
1641 | { "adcQ", Ev, sIb, XX }, | |
1642 | { "sbbQ", Ev, sIb, XX }, | |
1643 | { "andQ", Ev, sIb, XX }, | |
1644 | { "subQ", Ev, sIb, XX }, | |
1645 | { "xorQ", Ev, sIb, XX }, | |
1646 | { "cmpQ", Ev, sIb, XX } | |
252b5132 RH |
1647 | }, |
1648 | /* GRP2b */ | |
1649 | { | |
57d91c3c ILT |
1650 | { "rolA", Eb, Ib, XX }, |
1651 | { "rorA", Eb, Ib, XX }, | |
1652 | { "rclA", Eb, Ib, XX }, | |
1653 | { "rcrA", Eb, Ib, XX }, | |
1654 | { "shlA", Eb, Ib, XX }, | |
1655 | { "shrA", Eb, Ib, XX }, | |
1656 | { "(bad)", XX, XX, XX }, | |
1657 | { "sarA", Eb, Ib, XX }, | |
252b5132 RH |
1658 | }, |
1659 | /* GRP2S */ | |
1660 | { | |
57d91c3c ILT |
1661 | { "rolQ", Ev, Ib, XX }, |
1662 | { "rorQ", Ev, Ib, XX }, | |
1663 | { "rclQ", Ev, Ib, XX }, | |
1664 | { "rcrQ", Ev, Ib, XX }, | |
1665 | { "shlQ", Ev, Ib, XX }, | |
1666 | { "shrQ", Ev, Ib, XX }, | |
1667 | { "(bad)", XX, XX, XX }, | |
1668 | { "sarQ", Ev, Ib, XX }, | |
252b5132 RH |
1669 | }, |
1670 | /* GRP2b_one */ | |
1671 | { | |
57d91c3c ILT |
1672 | { "rolA", Eb, XX, XX }, |
1673 | { "rorA", Eb, XX, XX }, | |
1674 | { "rclA", Eb, XX, XX }, | |
1675 | { "rcrA", Eb, XX, XX }, | |
1676 | { "shlA", Eb, XX, XX }, | |
1677 | { "shrA", Eb, XX, XX }, | |
1678 | { "(bad)", XX, XX, XX }, | |
1679 | { "sarA", Eb, XX, XX }, | |
252b5132 RH |
1680 | }, |
1681 | /* GRP2S_one */ | |
1682 | { | |
57d91c3c ILT |
1683 | { "rolQ", Ev, XX, XX }, |
1684 | { "rorQ", Ev, XX, XX }, | |
1685 | { "rclQ", Ev, XX, XX }, | |
1686 | { "rcrQ", Ev, XX, XX }, | |
1687 | { "shlQ", Ev, XX, XX }, | |
1688 | { "shrQ", Ev, XX, XX }, | |
1689 | { "(bad)", XX, XX, XX}, | |
1690 | { "sarQ", Ev, XX, XX }, | |
252b5132 RH |
1691 | }, |
1692 | /* GRP2b_cl */ | |
1693 | { | |
57d91c3c ILT |
1694 | { "rolA", Eb, CL, XX }, |
1695 | { "rorA", Eb, CL, XX }, | |
1696 | { "rclA", Eb, CL, XX }, | |
1697 | { "rcrA", Eb, CL, XX }, | |
1698 | { "shlA", Eb, CL, XX }, | |
1699 | { "shrA", Eb, CL, XX }, | |
1700 | { "(bad)", XX, XX, XX }, | |
1701 | { "sarA", Eb, CL, XX }, | |
252b5132 RH |
1702 | }, |
1703 | /* GRP2S_cl */ | |
1704 | { | |
57d91c3c ILT |
1705 | { "rolQ", Ev, CL, XX }, |
1706 | { "rorQ", Ev, CL, XX }, | |
1707 | { "rclQ", Ev, CL, XX }, | |
1708 | { "rcrQ", Ev, CL, XX }, | |
1709 | { "shlQ", Ev, CL, XX }, | |
1710 | { "shrQ", Ev, CL, XX }, | |
1711 | { "(bad)", XX, XX, XX }, | |
1712 | { "sarQ", Ev, CL, XX } | |
252b5132 RH |
1713 | }, |
1714 | /* GRP3b */ | |
1715 | { | |
57d91c3c ILT |
1716 | { "testA", Eb, Ib, XX }, |
1717 | { "(bad)", Eb, XX, XX }, | |
1718 | { "notA", Eb, XX, XX }, | |
1719 | { "negA", Eb, XX, XX }, | |
1720 | { "mulB", AL, Eb, XX }, | |
1721 | { "imulB", AL, Eb, XX }, | |
1722 | { "divB", AL, Eb, XX }, | |
1723 | { "idivB", AL, Eb, XX } | |
252b5132 RH |
1724 | }, |
1725 | /* GRP3S */ | |
1726 | { | |
57d91c3c ILT |
1727 | { "testQ", Ev, Iv, XX }, |
1728 | { "(bad)", XX, XX, XX }, | |
1729 | { "notQ", Ev, XX, XX }, | |
1730 | { "negQ", Ev, XX, XX }, | |
1731 | { "mulS", eAX, Ev, XX }, | |
1732 | { "imulS", eAX, Ev, XX }, | |
1733 | { "divS", eAX, Ev, XX }, | |
1734 | { "idivS", eAX, Ev, XX }, | |
252b5132 RH |
1735 | }, |
1736 | /* GRP4 */ | |
1737 | { | |
57d91c3c ILT |
1738 | { "incA", Eb, XX, XX }, |
1739 | { "decA", Eb, XX, XX }, | |
1740 | { "(bad)", XX, XX, XX }, | |
1741 | { "(bad)", XX, XX, XX }, | |
1742 | { "(bad)", XX, XX, XX }, | |
1743 | { "(bad)", XX, XX, XX }, | |
1744 | { "(bad)", XX, XX, XX }, | |
1745 | { "(bad)", XX, XX, XX }, | |
252b5132 RH |
1746 | }, |
1747 | /* GRP5 */ | |
1748 | { | |
57d91c3c ILT |
1749 | { "incQ", Ev, XX, XX }, |
1750 | { "decQ", Ev, XX, XX }, | |
1751 | { "callP", indirEv, XX, XX }, | |
3138f287 | 1752 | { "lcallP", indirEv, XX, XX }, |
57d91c3c ILT |
1753 | { "jmpP", indirEv, XX, XX }, |
1754 | { "ljmpP", indirEv, XX, XX }, | |
1755 | { "pushQ", Ev, XX, XX }, | |
1756 | { "(bad)", XX, XX, XX }, | |
252b5132 RH |
1757 | }, |
1758 | /* GRP6 */ | |
1759 | { | |
57d91c3c ILT |
1760 | { "sldt", Ew, XX, XX }, |
1761 | { "str", Ew, XX, XX }, | |
1762 | { "lldt", Ew, XX, XX }, | |
1763 | { "ltr", Ew, XX, XX }, | |
1764 | { "verr", Ew, XX, XX }, | |
1765 | { "verw", Ew, XX, XX }, | |
1766 | { "(bad)", XX, XX, XX }, | |
1767 | { "(bad)", XX, XX, XX } | |
252b5132 RH |
1768 | }, |
1769 | /* GRP7 */ | |
1770 | { | |
57d91c3c ILT |
1771 | { "sgdt", Ew, XX, XX }, |
1772 | { "sidt", Ew, XX, XX }, | |
1773 | { "lgdt", Ew, XX, XX }, | |
1774 | { "lidt", Ew, XX, XX }, | |
1775 | { "smsw", Ew, XX, XX }, | |
1776 | { "(bad)", XX, XX, XX }, | |
1777 | { "lmsw", Ew, XX, XX }, | |
1778 | { "invlpg", Ew, XX, XX }, | |
252b5132 RH |
1779 | }, |
1780 | /* GRP8 */ | |
1781 | { | |
57d91c3c ILT |
1782 | { "(bad)", XX, XX, XX }, |
1783 | { "(bad)", XX, XX, XX }, | |
1784 | { "(bad)", XX, XX, XX }, | |
1785 | { "(bad)", XX, XX, XX }, | |
1786 | { "btQ", Ev, Ib, XX }, | |
1787 | { "btsQ", Ev, Ib, XX }, | |
1788 | { "btrQ", Ev, Ib, XX }, | |
1789 | { "btcQ", Ev, Ib, XX }, | |
252b5132 RH |
1790 | }, |
1791 | /* GRP9 */ | |
1792 | { | |
57d91c3c ILT |
1793 | { "(bad)", XX, XX, XX }, |
1794 | { "cmpxchg8b", Ev, XX, XX }, | |
1795 | { "(bad)", XX, XX, XX }, | |
1796 | { "(bad)", XX, XX, XX }, | |
1797 | { "(bad)", XX, XX, XX }, | |
1798 | { "(bad)", XX, XX, XX }, | |
1799 | { "(bad)", XX, XX, XX }, | |
1800 | { "(bad)", XX, XX, XX }, | |
252b5132 RH |
1801 | }, |
1802 | /* GRP10 */ | |
1803 | { | |
57d91c3c ILT |
1804 | { "(bad)", XX, XX, XX }, |
1805 | { "(bad)", XX, XX, XX }, | |
1806 | { "psrlw", MS, Ib, XX }, | |
1807 | { "(bad)", XX, XX, XX }, | |
1808 | { "psraw", MS, Ib, XX }, | |
1809 | { "(bad)", XX, XX, XX }, | |
1810 | { "psllw", MS, Ib, XX }, | |
1811 | { "(bad)", XX, XX, XX }, | |
252b5132 RH |
1812 | }, |
1813 | /* GRP11 */ | |
1814 | { | |
57d91c3c ILT |
1815 | { "(bad)", XX, XX, XX }, |
1816 | { "(bad)", XX, XX, XX }, | |
1817 | { "psrld", MS, Ib, XX }, | |
1818 | { "(bad)", XX, XX, XX }, | |
1819 | { "psrad", MS, Ib, XX }, | |
1820 | { "(bad)", XX, XX, XX }, | |
1821 | { "pslld", MS, Ib, XX }, | |
1822 | { "(bad)", XX, XX, XX }, | |
252b5132 RH |
1823 | }, |
1824 | /* GRP12 */ | |
1825 | { | |
57d91c3c ILT |
1826 | { "(bad)", XX, XX, XX }, |
1827 | { "(bad)", XX, XX, XX }, | |
1828 | { "psrlq", MS, Ib, XX }, | |
1829 | { "(bad)", XX, XX, XX }, | |
1830 | { "(bad)", XX, XX, XX }, | |
1831 | { "(bad)", XX, XX, XX }, | |
1832 | { "psllq", MS, Ib, XX }, | |
1833 | { "(bad)", XX, XX, XX }, | |
252b5132 RH |
1834 | }, |
1835 | /* GRP13 */ | |
1836 | { | |
57d91c3c ILT |
1837 | { "fxsave", Ev, XX, XX }, |
1838 | { "fxrstor", Ev, XX, XX }, | |
1839 | { "ldmxcsr", Ev, XX, XX }, | |
1840 | { "stmxcsr", Ev, XX, XX }, | |
1841 | { "(bad)", XX, XX, XX }, | |
1842 | { "(bad)", XX, XX, XX }, | |
1843 | { "(bad)", XX, XX, XX }, | |
1844 | { "sfence", None, XX, XX }, | |
c608c12e AM |
1845 | }, |
1846 | /* GRP14 */ | |
1847 | { | |
57d91c3c ILT |
1848 | { "prefetchnta", Ev, XX, XX }, |
1849 | { "prefetcht0", Ev, XX, XX }, | |
1850 | { "prefetcht1", Ev, XX, XX }, | |
1851 | { "prefetcht2", Ev, XX, XX }, | |
1852 | { "(bad)", XX, XX, XX }, | |
1853 | { "(bad)", XX, XX, XX }, | |
1854 | { "(bad)", XX, XX, XX }, | |
1855 | { "(bad)", XX, XX, XX }, | |
252b5132 | 1856 | }, |
c608c12e | 1857 | /* GRPAMD */ |
252b5132 | 1858 | { |
57d91c3c ILT |
1859 | { "prefetch", Eb, XX, XX }, |
1860 | { "prefetchw", Eb, XX, XX }, | |
1861 | { "(bad)", XX, XX, XX }, | |
1862 | { "(bad)", XX, XX, XX }, | |
1863 | { "(bad)", XX, XX, XX }, | |
1864 | { "(bad)", XX, XX, XX }, | |
1865 | { "(bad)", XX, XX, XX }, | |
1866 | { "(bad)", XX, XX, XX }, | |
252b5132 RH |
1867 | } |
1868 | ||
1869 | }; | |
1870 | ||
2da11e11 | 1871 | static const struct dis386 prefix_user_table[][2] = { |
c608c12e AM |
1872 | /* PREGRP0 */ |
1873 | { | |
57d91c3c ILT |
1874 | { "addps", XM, EX, XX }, |
1875 | { "addss", XM, EX, XX }, | |
c608c12e AM |
1876 | }, |
1877 | /* PREGRP1 */ | |
1878 | { | |
1879 | { "", XM, EX, OPSIMD }, /* See OP_SIMD_SUFFIX */ | |
1880 | { "", XM, EX, OPSIMD }, | |
1881 | }, | |
1882 | /* PREGRP2 */ | |
1883 | { | |
57d91c3c ILT |
1884 | { "cvtpi2ps", XM, EM, XX }, |
1885 | { "cvtsi2ss", XM, Ev, XX }, | |
c608c12e AM |
1886 | }, |
1887 | /* PREGRP3 */ | |
1888 | { | |
57d91c3c ILT |
1889 | { "cvtps2pi", MX, EX, XX }, |
1890 | { "cvtss2si", Gv, EX, XX }, | |
c608c12e AM |
1891 | }, |
1892 | /* PREGRP4 */ | |
1893 | { | |
57d91c3c ILT |
1894 | { "cvttps2pi", MX, EX, XX }, |
1895 | { "cvttss2si", Gv, EX, XX }, | |
c608c12e AM |
1896 | }, |
1897 | /* PREGRP5 */ | |
1898 | { | |
57d91c3c ILT |
1899 | { "divps", XM, EX, XX }, |
1900 | { "divss", XM, EX, XX }, | |
c608c12e AM |
1901 | }, |
1902 | /* PREGRP6 */ | |
1903 | { | |
57d91c3c ILT |
1904 | { "maxps", XM, EX, XX }, |
1905 | { "maxss", XM, EX, XX }, | |
c608c12e AM |
1906 | }, |
1907 | /* PREGRP7 */ | |
1908 | { | |
57d91c3c ILT |
1909 | { "minps", XM, EX, XX }, |
1910 | { "minss", XM, EX, XX }, | |
c608c12e AM |
1911 | }, |
1912 | /* PREGRP8 */ | |
1913 | { | |
57d91c3c ILT |
1914 | { "movups", XM, EX, XX }, |
1915 | { "movss", XM, EX, XX }, | |
c608c12e AM |
1916 | }, |
1917 | /* PREGRP9 */ | |
1918 | { | |
57d91c3c ILT |
1919 | { "movups", EX, XM, XX }, |
1920 | { "movss", EX, XM, XX }, | |
c608c12e AM |
1921 | }, |
1922 | /* PREGRP10 */ | |
1923 | { | |
57d91c3c ILT |
1924 | { "mulps", XM, EX, XX }, |
1925 | { "mulss", XM, EX, XX }, | |
c608c12e AM |
1926 | }, |
1927 | /* PREGRP11 */ | |
1928 | { | |
57d91c3c ILT |
1929 | { "rcpps", XM, EX, XX }, |
1930 | { "rcpss", XM, EX, XX }, | |
c608c12e AM |
1931 | }, |
1932 | /* PREGRP12 */ | |
1933 | { | |
57d91c3c ILT |
1934 | { "rsqrtps", XM, EX, XX }, |
1935 | { "rsqrtss", XM, EX, XX }, | |
c608c12e AM |
1936 | }, |
1937 | /* PREGRP13 */ | |
1938 | { | |
57d91c3c ILT |
1939 | { "sqrtps", XM, EX, XX }, |
1940 | { "sqrtss", XM, EX, XX }, | |
c608c12e AM |
1941 | }, |
1942 | /* PREGRP14 */ | |
1943 | { | |
57d91c3c ILT |
1944 | { "subps", XM, EX, XX }, |
1945 | { "subss", XM, EX, XX }, | |
c608c12e AM |
1946 | } |
1947 | }; | |
1948 | ||
1949 | #define INTERNAL_DISASSEMBLER_ERROR _("<internal disassembler error>") | |
1950 | ||
252b5132 RH |
1951 | static void |
1952 | ckprefix () | |
1953 | { | |
1954 | prefixes = 0; | |
7d421014 | 1955 | used_prefixes = 0; |
252b5132 RH |
1956 | while (1) |
1957 | { | |
1958 | FETCH_DATA (the_info, codep + 1); | |
1959 | switch (*codep) | |
1960 | { | |
1961 | case 0xf3: | |
1962 | prefixes |= PREFIX_REPZ; | |
1963 | break; | |
1964 | case 0xf2: | |
1965 | prefixes |= PREFIX_REPNZ; | |
1966 | break; | |
1967 | case 0xf0: | |
1968 | prefixes |= PREFIX_LOCK; | |
1969 | break; | |
1970 | case 0x2e: | |
1971 | prefixes |= PREFIX_CS; | |
1972 | break; | |
1973 | case 0x36: | |
1974 | prefixes |= PREFIX_SS; | |
1975 | break; | |
1976 | case 0x3e: | |
1977 | prefixes |= PREFIX_DS; | |
1978 | break; | |
1979 | case 0x26: | |
1980 | prefixes |= PREFIX_ES; | |
1981 | break; | |
1982 | case 0x64: | |
1983 | prefixes |= PREFIX_FS; | |
1984 | break; | |
1985 | case 0x65: | |
1986 | prefixes |= PREFIX_GS; | |
1987 | break; | |
1988 | case 0x66: | |
1989 | prefixes |= PREFIX_DATA; | |
1990 | break; | |
1991 | case 0x67: | |
1992 | prefixes |= PREFIX_ADDR; | |
1993 | break; | |
5076851f | 1994 | case FWAIT_OPCODE: |
252b5132 RH |
1995 | /* fwait is really an instruction. If there are prefixes |
1996 | before the fwait, they belong to the fwait, *not* to the | |
1997 | following instruction. */ | |
1998 | if (prefixes) | |
1999 | { | |
2000 | prefixes |= PREFIX_FWAIT; | |
2001 | codep++; | |
2002 | return; | |
2003 | } | |
2004 | prefixes = PREFIX_FWAIT; | |
2005 | break; | |
2006 | default: | |
2007 | return; | |
2008 | } | |
2009 | codep++; | |
2010 | } | |
2011 | } | |
2012 | ||
7d421014 ILT |
2013 | /* Return the name of the prefix byte PREF, or NULL if PREF is not a |
2014 | prefix byte. */ | |
2015 | ||
2016 | static const char * | |
2017 | prefix_name (pref, sizeflag) | |
2018 | int pref; | |
2019 | int sizeflag; | |
2020 | { | |
2021 | switch (pref) | |
2022 | { | |
2023 | case 0xf3: | |
2024 | return "repz"; | |
2025 | case 0xf2: | |
2026 | return "repnz"; | |
2027 | case 0xf0: | |
2028 | return "lock"; | |
2029 | case 0x2e: | |
2030 | return "cs"; | |
2031 | case 0x36: | |
2032 | return "ss"; | |
2033 | case 0x3e: | |
2034 | return "ds"; | |
2035 | case 0x26: | |
2036 | return "es"; | |
2037 | case 0x64: | |
2038 | return "fs"; | |
2039 | case 0x65: | |
2040 | return "gs"; | |
2041 | case 0x66: | |
2042 | return (sizeflag & DFLAG) ? "data16" : "data32"; | |
2043 | case 0x67: | |
2044 | return (sizeflag & AFLAG) ? "addr16" : "addr32"; | |
2045 | case FWAIT_OPCODE: | |
2046 | return "fwait"; | |
2047 | default: | |
2048 | return NULL; | |
2049 | } | |
2050 | } | |
2051 | ||
252b5132 RH |
2052 | static char op1out[100], op2out[100], op3out[100]; |
2053 | static int op_ad, op_index[3]; | |
2054 | static unsigned int op_address[3]; | |
2055 | static unsigned int start_pc; | |
2056 | ||
2057 | \f | |
2058 | /* | |
2059 | * On the 386's of 1988, the maximum length of an instruction is 15 bytes. | |
2060 | * (see topic "Redundant prefixes" in the "Differences from 8086" | |
2061 | * section of the "Virtual 8086 Mode" chapter.) | |
2062 | * 'pc' should be the address of this instruction, it will | |
2063 | * be used to print the target address if this is a relative jump or call | |
2064 | * The function returns the length of this instruction in bytes. | |
2065 | */ | |
2066 | ||
252b5132 RH |
2067 | static int print_insn_i386 |
2068 | PARAMS ((bfd_vma pc, disassemble_info *info)); | |
2069 | ||
2070 | static char intel_syntax; | |
2071 | static char open_char; | |
2072 | static char close_char; | |
2073 | static char separator_char; | |
2074 | static char scale_char; | |
2075 | ||
2076 | int | |
2077 | print_insn_i386_att (pc, info) | |
2078 | bfd_vma pc; | |
2079 | disassemble_info *info; | |
2080 | { | |
2081 | intel_syntax = 0; | |
2082 | open_char = '('; | |
2083 | close_char = ')'; | |
2084 | separator_char = ','; | |
2085 | scale_char = ','; | |
2086 | ||
2087 | return print_insn_i386 (pc, info); | |
2088 | } | |
2089 | ||
2090 | int | |
2091 | print_insn_i386_intel (pc, info) | |
2092 | bfd_vma pc; | |
2093 | disassemble_info *info; | |
2094 | { | |
2095 | intel_syntax = 1; | |
2096 | open_char = '['; | |
2097 | close_char = ']'; | |
2098 | separator_char = '+'; | |
2099 | scale_char = '*'; | |
2100 | ||
2101 | return print_insn_i386 (pc, info); | |
2102 | } | |
2103 | ||
2104 | static int | |
2105 | print_insn_i386 (pc, info) | |
2106 | bfd_vma pc; | |
2107 | disassemble_info *info; | |
2108 | { | |
2da11e11 | 2109 | const struct dis386 *dp; |
252b5132 RH |
2110 | int i; |
2111 | int two_source_ops; | |
2112 | char *first, *second, *third; | |
2113 | int needcomma; | |
2114 | unsigned char need_modrm; | |
c608c12e | 2115 | unsigned char uses_f3_prefix; |
57d91c3c ILT |
2116 | VOLATILE int sizeflag; |
2117 | VOLATILE int orig_sizeflag; | |
252b5132 RH |
2118 | |
2119 | struct dis_private priv; | |
2120 | bfd_byte *inbuf = priv.the_buffer; | |
2121 | ||
2da11e11 AM |
2122 | if (info->mach == bfd_mach_i386_i386 |
2123 | || info->mach == bfd_mach_i386_i386_intel_syntax) | |
2124 | sizeflag = AFLAG|DFLAG; | |
2125 | else if (info->mach == bfd_mach_i386_i8086) | |
2126 | sizeflag = 0; | |
2127 | else | |
2128 | abort (); | |
7d421014 | 2129 | orig_sizeflag = sizeflag; |
2da11e11 | 2130 | |
4fe53c98 | 2131 | /* The output looks better if we put 7 bytes on a line, since that |
c608c12e | 2132 | puts most long word instructions on a single line. */ |
4fe53c98 | 2133 | info->bytes_per_line = 7; |
252b5132 RH |
2134 | |
2135 | info->private_data = (PTR) &priv; | |
2136 | priv.max_fetched = priv.the_buffer; | |
2137 | priv.insn_start = pc; | |
252b5132 RH |
2138 | |
2139 | obuf[0] = 0; | |
2140 | op1out[0] = 0; | |
2141 | op2out[0] = 0; | |
2142 | op3out[0] = 0; | |
2143 | ||
2144 | op_index[0] = op_index[1] = op_index[2] = -1; | |
2145 | ||
2146 | the_info = info; | |
2147 | start_pc = pc; | |
2148 | start_codep = inbuf; | |
2149 | codep = inbuf; | |
2150 | ||
5076851f ILT |
2151 | if (setjmp (priv.bailout) != 0) |
2152 | { | |
7d421014 ILT |
2153 | const char *name; |
2154 | ||
5076851f | 2155 | /* Getting here means we tried for data but didn't get it. That |
7d421014 ILT |
2156 | means we have an incomplete instruction of some sort. Just |
2157 | print the first byte as a prefix or a .byte pseudo-op. */ | |
2158 | if (codep > inbuf) | |
5076851f | 2159 | { |
7d421014 ILT |
2160 | name = prefix_name (inbuf[0], orig_sizeflag); |
2161 | if (name != NULL) | |
2162 | (*info->fprintf_func) (info->stream, "%s", name); | |
2163 | else | |
5076851f | 2164 | { |
7d421014 ILT |
2165 | /* Just print the first byte as a .byte instruction. */ |
2166 | (*info->fprintf_func) (info->stream, ".byte 0x%x", | |
2167 | (unsigned int) inbuf[0]); | |
5076851f | 2168 | } |
5076851f | 2169 | |
7d421014 | 2170 | return 1; |
5076851f ILT |
2171 | } |
2172 | ||
2173 | return -1; | |
2174 | } | |
2175 | ||
252b5132 RH |
2176 | ckprefix (); |
2177 | ||
2178 | insn_codep = codep; | |
2179 | ||
2180 | FETCH_DATA (info, codep + 1); | |
2181 | two_source_ops = (*codep == 0x62) || (*codep == 0xc8); | |
2182 | ||
2183 | obufp = obuf; | |
2184 | ||
2185 | if ((prefixes & PREFIX_FWAIT) | |
2186 | && ((*codep < 0xd8) || (*codep > 0xdf))) | |
2187 | { | |
7d421014 ILT |
2188 | const char *name; |
2189 | ||
2190 | /* fwait not followed by floating point instruction. Print the | |
2191 | first prefix, which is probably fwait itself. */ | |
2192 | name = prefix_name (inbuf[0], orig_sizeflag); | |
2193 | if (name == NULL) | |
2194 | name = INTERNAL_DISASSEMBLER_ERROR; | |
2195 | (*info->fprintf_func) (info->stream, "%s", name); | |
2196 | return 1; | |
252b5132 RH |
2197 | } |
2198 | ||
252b5132 RH |
2199 | if (*codep == 0x0f) |
2200 | { | |
2201 | FETCH_DATA (info, codep + 2); | |
2202 | if (intel_syntax) | |
2203 | dp = &dis386_twobyte_intel[*++codep]; | |
2204 | else | |
2205 | dp = &dis386_twobyte_att[*++codep]; | |
2206 | need_modrm = twobyte_has_modrm[*codep]; | |
c608c12e | 2207 | uses_f3_prefix = twobyte_uses_f3_prefix[*codep]; |
252b5132 RH |
2208 | } |
2209 | else | |
2210 | { | |
2211 | if (intel_syntax) | |
2212 | dp = &dis386_intel[*codep]; | |
2213 | else | |
2214 | dp = &dis386_att[*codep]; | |
2215 | need_modrm = onebyte_has_modrm[*codep]; | |
c608c12e | 2216 | uses_f3_prefix = 0; |
252b5132 RH |
2217 | } |
2218 | codep++; | |
2219 | ||
c608c12e | 2220 | if (!uses_f3_prefix && (prefixes & PREFIX_REPZ)) |
7d421014 ILT |
2221 | { |
2222 | oappend ("repz "); | |
2223 | used_prefixes |= PREFIX_REPZ; | |
2224 | } | |
c608c12e | 2225 | if (prefixes & PREFIX_REPNZ) |
7d421014 ILT |
2226 | { |
2227 | oappend ("repnz "); | |
2228 | used_prefixes |= PREFIX_REPNZ; | |
2229 | } | |
c608c12e | 2230 | if (prefixes & PREFIX_LOCK) |
7d421014 ILT |
2231 | { |
2232 | oappend ("lock "); | |
2233 | used_prefixes |= PREFIX_LOCK; | |
2234 | } | |
c608c12e AM |
2235 | |
2236 | if (prefixes & PREFIX_DATA) | |
2237 | sizeflag ^= DFLAG; | |
2238 | ||
2239 | if (prefixes & PREFIX_ADDR) | |
2240 | { | |
2241 | sizeflag ^= AFLAG; | |
2242 | if (sizeflag & AFLAG) | |
2243 | oappend ("addr32 "); | |
2244 | else | |
2245 | oappend ("addr16 "); | |
7d421014 | 2246 | used_prefixes |= PREFIX_ADDR; |
c608c12e AM |
2247 | } |
2248 | ||
252b5132 RH |
2249 | if (need_modrm) |
2250 | { | |
2251 | FETCH_DATA (info, codep + 1); | |
2252 | mod = (*codep >> 6) & 3; | |
2253 | reg = (*codep >> 3) & 7; | |
2254 | rm = *codep & 7; | |
2255 | } | |
2256 | ||
2257 | if (dp->name == NULL && dp->bytemode1 == FLOATCODE) | |
2258 | { | |
2259 | dofloat (sizeflag); | |
2260 | } | |
2261 | else | |
2262 | { | |
2263 | if (dp->name == NULL) | |
c608c12e AM |
2264 | { |
2265 | switch(dp->bytemode2) | |
2266 | { | |
2267 | case USE_GROUPS: | |
2268 | dp = &grps[dp->bytemode1][reg]; | |
2269 | break; | |
2270 | case USE_PREFIX_USER_TABLE: | |
2271 | dp = &prefix_user_table[dp->bytemode1][prefixes & PREFIX_REPZ ? 1 : 0]; | |
7d421014 | 2272 | used_prefixes |= (prefixes & PREFIX_REPZ); |
c608c12e AM |
2273 | break; |
2274 | default: | |
2275 | oappend (INTERNAL_DISASSEMBLER_ERROR); | |
2276 | break; | |
2277 | } | |
2278 | } | |
252b5132 RH |
2279 | |
2280 | putop (dp->name, sizeflag); | |
2281 | ||
2282 | obufp = op1out; | |
2283 | op_ad = 2; | |
2284 | if (dp->op1) | |
2285 | (*dp->op1)(dp->bytemode1, sizeflag); | |
2286 | ||
2287 | obufp = op2out; | |
2288 | op_ad = 1; | |
2289 | if (dp->op2) | |
2290 | (*dp->op2)(dp->bytemode2, sizeflag); | |
2291 | ||
2292 | obufp = op3out; | |
2293 | op_ad = 0; | |
2294 | if (dp->op3) | |
2295 | (*dp->op3)(dp->bytemode3, sizeflag); | |
2296 | } | |
2297 | ||
7d421014 ILT |
2298 | /* See if any prefixes were not used. If so, print the first one |
2299 | separately. If we don't do this, we'll wind up printing an | |
2300 | instruction stream which does not precisely correspond to the | |
2301 | bytes we are disassembling. */ | |
2302 | if ((prefixes & ~used_prefixes) != 0) | |
2303 | { | |
2304 | const char *name; | |
2305 | ||
2306 | name = prefix_name (inbuf[0], orig_sizeflag); | |
2307 | if (name == NULL) | |
2308 | name = INTERNAL_DISASSEMBLER_ERROR; | |
2309 | (*info->fprintf_func) (info->stream, "%s", name); | |
2310 | return 1; | |
2311 | } | |
2312 | ||
252b5132 RH |
2313 | obufp = obuf + strlen (obuf); |
2314 | for (i = strlen (obuf); i < 6; i++) | |
2315 | oappend (" "); | |
2316 | oappend (" "); | |
2317 | (*info->fprintf_func) (info->stream, "%s", obuf); | |
2318 | ||
2319 | /* The enter and bound instructions are printed with operands in the same | |
2320 | order as the intel book; everything else is printed in reverse order. */ | |
2da11e11 | 2321 | if (intel_syntax || two_source_ops) |
252b5132 RH |
2322 | { |
2323 | first = op1out; | |
2324 | second = op2out; | |
2325 | third = op3out; | |
2326 | op_ad = op_index[0]; | |
2327 | op_index[0] = op_index[2]; | |
2328 | op_index[2] = op_ad; | |
2329 | } | |
2330 | else | |
2331 | { | |
2332 | first = op3out; | |
2333 | second = op2out; | |
2334 | third = op1out; | |
2335 | } | |
2336 | needcomma = 0; | |
2337 | if (*first) | |
2338 | { | |
2339 | if (op_index[0] != -1) | |
2340 | (*info->print_address_func) ((bfd_vma) op_address[op_index[0]], info); | |
2341 | else | |
2342 | (*info->fprintf_func) (info->stream, "%s", first); | |
2343 | needcomma = 1; | |
2344 | } | |
2345 | if (*second) | |
2346 | { | |
2347 | if (needcomma) | |
2348 | (*info->fprintf_func) (info->stream, ","); | |
2349 | if (op_index[1] != -1) | |
2350 | (*info->print_address_func) ((bfd_vma) op_address[op_index[1]], info); | |
2351 | else | |
2352 | (*info->fprintf_func) (info->stream, "%s", second); | |
2353 | needcomma = 1; | |
2354 | } | |
2355 | if (*third) | |
2356 | { | |
2357 | if (needcomma) | |
2358 | (*info->fprintf_func) (info->stream, ","); | |
2359 | if (op_index[2] != -1) | |
2360 | (*info->print_address_func) ((bfd_vma) op_address[op_index[2]], info); | |
2361 | else | |
2362 | (*info->fprintf_func) (info->stream, "%s", third); | |
2363 | } | |
2364 | return codep - inbuf; | |
2365 | } | |
2366 | ||
2da11e11 | 2367 | static const char *float_mem_att[] = { |
252b5132 RH |
2368 | /* d8 */ |
2369 | "fadds", | |
2370 | "fmuls", | |
2371 | "fcoms", | |
2372 | "fcomps", | |
2373 | "fsubs", | |
2374 | "fsubrs", | |
2375 | "fdivs", | |
2376 | "fdivrs", | |
2377 | /* d9 */ | |
2378 | "flds", | |
2379 | "(bad)", | |
2380 | "fsts", | |
2381 | "fstps", | |
2382 | "fldenv", | |
2383 | "fldcw", | |
2384 | "fNstenv", | |
2385 | "fNstcw", | |
2386 | /* da */ | |
2387 | "fiaddl", | |
2388 | "fimull", | |
2389 | "ficoml", | |
2390 | "ficompl", | |
2391 | "fisubl", | |
2392 | "fisubrl", | |
2393 | "fidivl", | |
2394 | "fidivrl", | |
2395 | /* db */ | |
2396 | "fildl", | |
2397 | "(bad)", | |
2398 | "fistl", | |
2399 | "fistpl", | |
2400 | "(bad)", | |
2401 | "fldt", | |
2402 | "(bad)", | |
2403 | "fstpt", | |
2404 | /* dc */ | |
2405 | "faddl", | |
2406 | "fmull", | |
2407 | "fcoml", | |
2408 | "fcompl", | |
2409 | "fsubl", | |
2410 | "fsubrl", | |
2411 | "fdivl", | |
2412 | "fdivrl", | |
2413 | /* dd */ | |
2414 | "fldl", | |
2415 | "(bad)", | |
2416 | "fstl", | |
2417 | "fstpl", | |
2418 | "frstor", | |
2419 | "(bad)", | |
2420 | "fNsave", | |
2421 | "fNstsw", | |
2422 | /* de */ | |
2423 | "fiadd", | |
2424 | "fimul", | |
2425 | "ficom", | |
2426 | "ficomp", | |
2427 | "fisub", | |
2428 | "fisubr", | |
2429 | "fidiv", | |
2430 | "fidivr", | |
2431 | /* df */ | |
2432 | "fild", | |
2433 | "(bad)", | |
2434 | "fist", | |
2435 | "fistp", | |
2436 | "fbld", | |
2437 | "fildll", | |
2438 | "fbstp", | |
2439 | "fistpll", | |
2440 | }; | |
2441 | ||
2da11e11 | 2442 | static const char *float_mem_intel[] = { |
252b5132 RH |
2443 | /* d8 */ |
2444 | "fadd", | |
2445 | "fmul", | |
2446 | "fcom", | |
2447 | "fcomp", | |
2448 | "fsub", | |
2449 | "fsubr", | |
2450 | "fdiv", | |
2451 | "fdivr", | |
2452 | /* d9 */ | |
2453 | "fld", | |
2454 | "(bad)", | |
2455 | "fst", | |
2456 | "fstp", | |
2457 | "fldenv", | |
2458 | "fldcw", | |
2459 | "fNstenv", | |
2460 | "fNstcw", | |
2461 | /* da */ | |
2462 | "fiadd", | |
2463 | "fimul", | |
2464 | "ficom", | |
2465 | "ficomp", | |
2466 | "fisub", | |
2467 | "fisubr", | |
2468 | "fidiv", | |
2469 | "fidivr", | |
2470 | /* db */ | |
2471 | "fild", | |
2472 | "(bad)", | |
2473 | "fist", | |
2474 | "fistp", | |
2475 | "(bad)", | |
2476 | "fld", | |
2477 | "(bad)", | |
2478 | "fstp", | |
2479 | /* dc */ | |
2480 | "fadd", | |
2481 | "fmul", | |
2482 | "fcom", | |
2483 | "fcomp", | |
2484 | "fsub", | |
2485 | "fsubr", | |
2486 | "fdiv", | |
2487 | "fdivr", | |
2488 | /* dd */ | |
2489 | "fld", | |
2490 | "(bad)", | |
2491 | "fst", | |
2492 | "fstp", | |
2493 | "frstor", | |
2494 | "(bad)", | |
2495 | "fNsave", | |
2496 | "fNstsw", | |
2497 | /* de */ | |
2498 | "fiadd", | |
2499 | "fimul", | |
2500 | "ficom", | |
2501 | "ficomp", | |
2502 | "fisub", | |
2503 | "fisubr", | |
2504 | "fidiv", | |
2505 | "fidivr", | |
2506 | /* df */ | |
2507 | "fild", | |
2508 | "(bad)", | |
2509 | "fist", | |
2510 | "fistp", | |
2511 | "fbld", | |
2512 | "fild", | |
2513 | "fbstp", | |
2514 | "fistpll", | |
2515 | }; | |
2516 | ||
2517 | #define ST OP_ST, 0 | |
2518 | #define STi OP_STi, 0 | |
2519 | ||
57d91c3c ILT |
2520 | #define FGRPd9_2 NULL, NULL, 0, NULL, 0, NULL, 0 |
2521 | #define FGRPd9_4 NULL, NULL, 1, NULL, 0, NULL, 0 | |
2522 | #define FGRPd9_5 NULL, NULL, 2, NULL, 0, NULL, 0 | |
2523 | #define FGRPd9_6 NULL, NULL, 3, NULL, 0, NULL, 0 | |
2524 | #define FGRPd9_7 NULL, NULL, 4, NULL, 0, NULL, 0 | |
2525 | #define FGRPda_5 NULL, NULL, 5, NULL, 0, NULL, 0 | |
2526 | #define FGRPdb_4 NULL, NULL, 6, NULL, 0, NULL, 0 | |
2527 | #define FGRPde_3 NULL, NULL, 7, NULL, 0, NULL, 0 | |
2528 | #define FGRPdf_4 NULL, NULL, 8, NULL, 0, NULL, 0 | |
252b5132 | 2529 | |
2da11e11 | 2530 | static const struct dis386 float_reg[][8] = { |
252b5132 RH |
2531 | /* d8 */ |
2532 | { | |
57d91c3c ILT |
2533 | { "fadd", ST, STi, XX }, |
2534 | { "fmul", ST, STi, XX }, | |
2535 | { "fcom", STi, XX, XX }, | |
2536 | { "fcomp", STi, XX, XX }, | |
2537 | { "fsub", ST, STi, XX }, | |
2538 | { "fsubr", ST, STi, XX }, | |
2539 | { "fdiv", ST, STi, XX }, | |
2540 | { "fdivr", ST, STi, XX }, | |
252b5132 RH |
2541 | }, |
2542 | /* d9 */ | |
2543 | { | |
57d91c3c ILT |
2544 | { "fld", STi, XX, XX }, |
2545 | { "fxch", STi, XX, XX }, | |
252b5132 | 2546 | { FGRPd9_2 }, |
57d91c3c | 2547 | { "(bad)", XX, XX, XX }, |
252b5132 RH |
2548 | { FGRPd9_4 }, |
2549 | { FGRPd9_5 }, | |
2550 | { FGRPd9_6 }, | |
2551 | { FGRPd9_7 }, | |
2552 | }, | |
2553 | /* da */ | |
2554 | { | |
57d91c3c ILT |
2555 | { "fcmovb", ST, STi, XX }, |
2556 | { "fcmove", ST, STi, XX }, | |
2557 | { "fcmovbe",ST, STi, XX }, | |
2558 | { "fcmovu", ST, STi, XX }, | |
2559 | { "(bad)", XX, XX, XX }, | |
252b5132 | 2560 | { FGRPda_5 }, |
57d91c3c ILT |
2561 | { "(bad)", XX, XX, XX }, |
2562 | { "(bad)", XX, XX, XX }, | |
252b5132 RH |
2563 | }, |
2564 | /* db */ | |
2565 | { | |
57d91c3c ILT |
2566 | { "fcmovnb",ST, STi, XX }, |
2567 | { "fcmovne",ST, STi, XX }, | |
2568 | { "fcmovnbe",ST, STi, XX }, | |
2569 | { "fcmovnu",ST, STi, XX }, | |
252b5132 | 2570 | { FGRPdb_4 }, |
57d91c3c ILT |
2571 | { "fucomi", ST, STi, XX }, |
2572 | { "fcomi", ST, STi, XX }, | |
2573 | { "(bad)", XX, XX, XX }, | |
252b5132 RH |
2574 | }, |
2575 | /* dc */ | |
2576 | { | |
57d91c3c ILT |
2577 | { "fadd", STi, ST, XX }, |
2578 | { "fmul", STi, ST, XX }, | |
2579 | { "(bad)", XX, XX, XX }, | |
2580 | { "(bad)", XX, XX, XX }, | |
252b5132 | 2581 | #if UNIXWARE_COMPAT |
57d91c3c ILT |
2582 | { "fsub", STi, ST, XX }, |
2583 | { "fsubr", STi, ST, XX }, | |
2584 | { "fdiv", STi, ST, XX }, | |
2585 | { "fdivr", STi, ST, XX }, | |
252b5132 | 2586 | #else |
57d91c3c ILT |
2587 | { "fsubr", STi, ST, XX }, |
2588 | { "fsub", STi, ST, XX }, | |
2589 | { "fdivr", STi, ST, XX }, | |
2590 | { "fdiv", STi, ST, XX }, | |
252b5132 RH |
2591 | #endif |
2592 | }, | |
2593 | /* dd */ | |
2594 | { | |
57d91c3c ILT |
2595 | { "ffree", STi, XX, XX }, |
2596 | { "(bad)", XX, XX, XX }, | |
2597 | { "fst", STi, XX, XX }, | |
2598 | { "fstp", STi, XX, XX }, | |
2599 | { "fucom", STi, XX, XX }, | |
2600 | { "fucomp", STi, XX, XX }, | |
2601 | { "(bad)", XX, XX, XX }, | |
2602 | { "(bad)", XX, XX, XX }, | |
252b5132 RH |
2603 | }, |
2604 | /* de */ | |
2605 | { | |
57d91c3c ILT |
2606 | { "faddp", STi, ST, XX }, |
2607 | { "fmulp", STi, ST, XX }, | |
2608 | { "(bad)", XX, XX, XX }, | |
252b5132 RH |
2609 | { FGRPde_3 }, |
2610 | #if UNIXWARE_COMPAT | |
57d91c3c ILT |
2611 | { "fsubp", STi, ST, XX }, |
2612 | { "fsubrp", STi, ST, XX }, | |
2613 | { "fdivp", STi, ST, XX }, | |
2614 | { "fdivrp", STi, ST, XX }, | |
252b5132 | 2615 | #else |
57d91c3c ILT |
2616 | { "fsubrp", STi, ST, XX }, |
2617 | { "fsubp", STi, ST, XX }, | |
2618 | { "fdivrp", STi, ST, XX }, | |
2619 | { "fdivp", STi, ST, XX }, | |
252b5132 RH |
2620 | #endif |
2621 | }, | |
2622 | /* df */ | |
2623 | { | |
57d91c3c ILT |
2624 | { "(bad)", XX, XX, XX }, |
2625 | { "(bad)", XX, XX, XX }, | |
2626 | { "(bad)", XX, XX, XX }, | |
2627 | { "(bad)", XX, XX, XX }, | |
252b5132 | 2628 | { FGRPdf_4 }, |
57d91c3c ILT |
2629 | { "fucomip",ST, STi, XX }, |
2630 | { "fcomip", ST, STi, XX }, | |
2631 | { "(bad)", XX, XX, XX }, | |
252b5132 RH |
2632 | }, |
2633 | }; | |
2634 | ||
2635 | ||
2636 | static char *fgrps[][8] = { | |
2637 | /* d9_2 0 */ | |
2638 | { | |
2639 | "fnop","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)", | |
2640 | }, | |
2641 | ||
2642 | /* d9_4 1 */ | |
2643 | { | |
2644 | "fchs","fabs","(bad)","(bad)","ftst","fxam","(bad)","(bad)", | |
2645 | }, | |
2646 | ||
2647 | /* d9_5 2 */ | |
2648 | { | |
2649 | "fld1","fldl2t","fldl2e","fldpi","fldlg2","fldln2","fldz","(bad)", | |
2650 | }, | |
2651 | ||
2652 | /* d9_6 3 */ | |
2653 | { | |
2654 | "f2xm1","fyl2x","fptan","fpatan","fxtract","fprem1","fdecstp","fincstp", | |
2655 | }, | |
2656 | ||
2657 | /* d9_7 4 */ | |
2658 | { | |
2659 | "fprem","fyl2xp1","fsqrt","fsincos","frndint","fscale","fsin","fcos", | |
2660 | }, | |
2661 | ||
2662 | /* da_5 5 */ | |
2663 | { | |
2664 | "(bad)","fucompp","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)", | |
2665 | }, | |
2666 | ||
2667 | /* db_4 6 */ | |
2668 | { | |
2669 | "feni(287 only)","fdisi(287 only)","fNclex","fNinit", | |
2670 | "fNsetpm(287 only)","(bad)","(bad)","(bad)", | |
2671 | }, | |
2672 | ||
2673 | /* de_3 7 */ | |
2674 | { | |
2675 | "(bad)","fcompp","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)", | |
2676 | }, | |
2677 | ||
2678 | /* df_4 8 */ | |
2679 | { | |
2680 | "fNstsw","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)", | |
2681 | }, | |
2682 | }; | |
2683 | ||
2684 | static void | |
2685 | dofloat (sizeflag) | |
2686 | int sizeflag; | |
2687 | { | |
2da11e11 | 2688 | const struct dis386 *dp; |
252b5132 RH |
2689 | unsigned char floatop; |
2690 | ||
2691 | floatop = codep[-1]; | |
2692 | ||
2693 | if (mod != 3) | |
2694 | { | |
2695 | if (intel_syntax) | |
2696 | putop (float_mem_intel[(floatop - 0xd8 ) * 8 + reg], sizeflag); | |
2697 | else | |
2698 | putop (float_mem_att[(floatop - 0xd8 ) * 8 + reg], sizeflag); | |
2699 | obufp = op1out; | |
2700 | if (floatop == 0xdb) | |
2701 | OP_E (x_mode, sizeflag); | |
2702 | else if (floatop == 0xdd) | |
2703 | OP_E (d_mode, sizeflag); | |
2da11e11 | 2704 | else |
252b5132 RH |
2705 | OP_E (v_mode, sizeflag); |
2706 | return; | |
2707 | } | |
2708 | codep++; | |
2709 | ||
2710 | dp = &float_reg[floatop - 0xd8][reg]; | |
2711 | if (dp->name == NULL) | |
2712 | { | |
2713 | putop (fgrps[dp->bytemode1][rm], sizeflag); | |
2714 | ||
2715 | /* instruction fnstsw is only one with strange arg */ | |
2716 | if (floatop == 0xdf && codep[-1] == 0xe0) | |
2717 | strcpy (op1out, names16[0]); | |
2718 | } | |
2719 | else | |
2720 | { | |
2721 | putop (dp->name, sizeflag); | |
2722 | ||
2723 | obufp = op1out; | |
2724 | if (dp->op1) | |
2725 | (*dp->op1)(dp->bytemode1, sizeflag); | |
2726 | obufp = op2out; | |
2727 | if (dp->op2) | |
2728 | (*dp->op2)(dp->bytemode2, sizeflag); | |
2729 | } | |
2730 | } | |
2731 | ||
2732 | /* ARGSUSED */ | |
2733 | static void | |
2734 | OP_ST (ignore, sizeflag) | |
57d91c3c ILT |
2735 | int ignore ATTRIBUTE_UNUSED; |
2736 | int sizeflag ATTRIBUTE_UNUSED; | |
252b5132 RH |
2737 | { |
2738 | oappend ("%st"); | |
2739 | } | |
2740 | ||
2741 | /* ARGSUSED */ | |
2742 | static void | |
2743 | OP_STi (ignore, sizeflag) | |
57d91c3c ILT |
2744 | int ignore ATTRIBUTE_UNUSED; |
2745 | int sizeflag ATTRIBUTE_UNUSED; | |
252b5132 RH |
2746 | { |
2747 | sprintf (scratchbuf, "%%st(%d)", rm); | |
2748 | oappend (scratchbuf); | |
2749 | } | |
2750 | ||
2751 | ||
2752 | /* capital letters in template are macros */ | |
2753 | static void | |
2754 | putop (template, sizeflag) | |
2da11e11 | 2755 | const char *template; |
252b5132 RH |
2756 | int sizeflag; |
2757 | { | |
2da11e11 | 2758 | const char *p; |
252b5132 RH |
2759 | |
2760 | for (p = template; *p; p++) | |
2761 | { | |
2762 | switch (*p) | |
2763 | { | |
2764 | default: | |
2765 | *obufp++ = *p; | |
2766 | break; | |
2767 | case 'A': | |
2768 | if (intel_syntax) | |
2769 | break; | |
2770 | if (mod != 3 | |
2771 | #ifdef SUFFIX_ALWAYS | |
2772 | || (sizeflag & SUFFIX_ALWAYS) | |
2773 | #endif | |
2774 | ) | |
2775 | *obufp++ = 'b'; | |
2776 | break; | |
2777 | case 'B': | |
2778 | if (intel_syntax) | |
2779 | break; | |
2780 | #ifdef SUFFIX_ALWAYS | |
2781 | if (sizeflag & SUFFIX_ALWAYS) | |
2782 | *obufp++ = 'b'; | |
2783 | #endif | |
2784 | break; | |
2785 | case 'E': /* For jcxz/jecxz */ | |
2786 | if (sizeflag & AFLAG) | |
2787 | *obufp++ = 'e'; | |
2788 | break; | |
2789 | case 'L': | |
2790 | if (intel_syntax) | |
2791 | break; | |
2792 | #ifdef SUFFIX_ALWAYS | |
2793 | if (sizeflag & SUFFIX_ALWAYS) | |
2794 | *obufp++ = 'l'; | |
2795 | #endif | |
2796 | break; | |
2797 | case 'N': | |
2798 | if ((prefixes & PREFIX_FWAIT) == 0) | |
2799 | *obufp++ = 'n'; | |
7d421014 ILT |
2800 | else |
2801 | used_prefixes |= PREFIX_FWAIT; | |
252b5132 RH |
2802 | break; |
2803 | case 'P': | |
2804 | if (intel_syntax) | |
2805 | break; | |
2806 | if ((prefixes & PREFIX_DATA) | |
2807 | #ifdef SUFFIX_ALWAYS | |
2808 | || (sizeflag & SUFFIX_ALWAYS) | |
2809 | #endif | |
2810 | ) | |
2811 | { | |
2812 | if (sizeflag & DFLAG) | |
2813 | *obufp++ = 'l'; | |
2814 | else | |
2815 | *obufp++ = 'w'; | |
7d421014 | 2816 | used_prefixes |= (prefixes & PREFIX_DATA); |
252b5132 RH |
2817 | } |
2818 | break; | |
2819 | case 'Q': | |
2820 | if (intel_syntax) | |
2821 | break; | |
2822 | if (mod != 3 | |
2823 | #ifdef SUFFIX_ALWAYS | |
2824 | || (sizeflag & SUFFIX_ALWAYS) | |
2825 | #endif | |
2826 | ) | |
2827 | { | |
2828 | if (sizeflag & DFLAG) | |
2829 | *obufp++ = 'l'; | |
2830 | else | |
2831 | *obufp++ = 'w'; | |
7d421014 | 2832 | used_prefixes |= (prefixes & PREFIX_DATA); |
252b5132 RH |
2833 | } |
2834 | break; | |
2835 | case 'R': | |
2836 | if (intel_syntax) | |
c608c12e AM |
2837 | { |
2838 | if (sizeflag & DFLAG) | |
2839 | { | |
2840 | *obufp++ = 'd'; | |
2841 | *obufp++ = 'q'; | |
2842 | } | |
2843 | else | |
2844 | { | |
2845 | *obufp++ = 'w'; | |
2846 | *obufp++ = 'd'; | |
2847 | } | |
2848 | } | |
252b5132 | 2849 | else |
c608c12e AM |
2850 | { |
2851 | if (sizeflag & DFLAG) | |
2852 | *obufp++ = 'l'; | |
2853 | else | |
2854 | *obufp++ = 'w'; | |
2855 | } | |
7d421014 | 2856 | used_prefixes |= (prefixes & PREFIX_DATA); |
252b5132 RH |
2857 | break; |
2858 | case 'S': | |
2859 | if (intel_syntax) | |
2860 | break; | |
2861 | #ifdef SUFFIX_ALWAYS | |
2862 | if (sizeflag & SUFFIX_ALWAYS) | |
2863 | { | |
2864 | if (sizeflag & DFLAG) | |
2865 | *obufp++ = 'l'; | |
2866 | else | |
2867 | *obufp++ = 'w'; | |
7d421014 | 2868 | used_prefixes |= (prefixes & PREFIX_DATA); |
252b5132 RH |
2869 | } |
2870 | #endif | |
2871 | break; | |
2872 | case 'W': | |
252b5132 RH |
2873 | /* operand size flag for cwtl, cbtw */ |
2874 | if (sizeflag & DFLAG) | |
2875 | *obufp++ = 'w'; | |
2876 | else | |
2877 | *obufp++ = 'b'; | |
c608c12e AM |
2878 | if (intel_syntax) |
2879 | { | |
2880 | if (sizeflag & DFLAG) | |
2881 | { | |
2882 | *obufp++ = 'd'; | |
2883 | *obufp++ = 'e'; | |
2884 | } | |
2885 | else | |
2886 | { | |
2887 | *obufp++ = 'w'; | |
2888 | } | |
2889 | } | |
7d421014 | 2890 | used_prefixes |= (prefixes & PREFIX_DATA); |
252b5132 RH |
2891 | break; |
2892 | } | |
2893 | } | |
2894 | *obufp = 0; | |
2895 | } | |
2896 | ||
2897 | static void | |
2898 | oappend (s) | |
2da11e11 | 2899 | const char *s; |
252b5132 RH |
2900 | { |
2901 | strcpy (obufp, s); | |
2902 | obufp += strlen (s); | |
2903 | } | |
2904 | ||
2905 | static void | |
2906 | append_seg () | |
2907 | { | |
2908 | if (prefixes & PREFIX_CS) | |
7d421014 ILT |
2909 | { |
2910 | oappend ("%cs:"); | |
2911 | used_prefixes |= PREFIX_CS; | |
2912 | } | |
252b5132 | 2913 | if (prefixes & PREFIX_DS) |
7d421014 ILT |
2914 | { |
2915 | oappend ("%ds:"); | |
2916 | used_prefixes |= PREFIX_DS; | |
2917 | } | |
252b5132 | 2918 | if (prefixes & PREFIX_SS) |
7d421014 ILT |
2919 | { |
2920 | oappend ("%ss:"); | |
2921 | used_prefixes |= PREFIX_SS; | |
2922 | } | |
252b5132 | 2923 | if (prefixes & PREFIX_ES) |
7d421014 ILT |
2924 | { |
2925 | oappend ("%es:"); | |
2926 | used_prefixes |= PREFIX_ES; | |
2927 | } | |
252b5132 | 2928 | if (prefixes & PREFIX_FS) |
7d421014 ILT |
2929 | { |
2930 | oappend ("%fs:"); | |
2931 | used_prefixes |= PREFIX_FS; | |
2932 | } | |
252b5132 | 2933 | if (prefixes & PREFIX_GS) |
7d421014 ILT |
2934 | { |
2935 | oappend ("%gs:"); | |
2936 | used_prefixes |= PREFIX_GS; | |
2937 | } | |
252b5132 RH |
2938 | } |
2939 | ||
2940 | static void | |
2941 | OP_indirE (bytemode, sizeflag) | |
2942 | int bytemode; | |
2943 | int sizeflag; | |
2944 | { | |
2945 | if (!intel_syntax) | |
2946 | oappend ("*"); | |
2947 | OP_E (bytemode, sizeflag); | |
2948 | } | |
2949 | ||
2950 | static void | |
2951 | OP_E (bytemode, sizeflag) | |
2952 | int bytemode; | |
2953 | int sizeflag; | |
2954 | { | |
2955 | int disp; | |
2956 | ||
2957 | /* skip mod/rm byte */ | |
2958 | codep++; | |
2959 | ||
2960 | if (mod == 3) | |
2961 | { | |
2962 | switch (bytemode) | |
2963 | { | |
2964 | case b_mode: | |
2965 | oappend (names8[rm]); | |
2966 | break; | |
2967 | case w_mode: | |
2968 | oappend (names16[rm]); | |
2969 | break; | |
2da11e11 AM |
2970 | case d_mode: |
2971 | oappend (names32[rm]); | |
2972 | break; | |
252b5132 RH |
2973 | case v_mode: |
2974 | if (sizeflag & DFLAG) | |
2975 | oappend (names32[rm]); | |
2976 | else | |
2977 | oappend (names16[rm]); | |
7d421014 | 2978 | used_prefixes |= (prefixes & PREFIX_DATA); |
252b5132 | 2979 | break; |
2da11e11 AM |
2980 | case 0: |
2981 | if ( !(codep[-2] == 0xAE && codep[-1] == 0xF8 /* sfence */)) | |
2982 | BadOp(); /* bad sfence,lea,lds,les,lfs,lgs,lss modrm */ | |
c608c12e | 2983 | break; |
252b5132 | 2984 | default: |
c608c12e | 2985 | oappend (INTERNAL_DISASSEMBLER_ERROR); |
252b5132 RH |
2986 | break; |
2987 | } | |
2988 | return; | |
2989 | } | |
2990 | ||
2991 | disp = 0; | |
2992 | append_seg (); | |
2993 | ||
2994 | if (sizeflag & AFLAG) /* 32 bit address mode */ | |
2995 | { | |
2996 | int havesib; | |
2997 | int havebase; | |
2998 | int base; | |
2999 | int index = 0; | |
3000 | int scale = 0; | |
3001 | ||
3002 | havesib = 0; | |
3003 | havebase = 1; | |
3004 | base = rm; | |
3005 | ||
3006 | if (base == 4) | |
3007 | { | |
3008 | havesib = 1; | |
3009 | FETCH_DATA (the_info, codep + 1); | |
3010 | scale = (*codep >> 6) & 3; | |
3011 | index = (*codep >> 3) & 7; | |
3012 | base = *codep & 7; | |
3013 | codep++; | |
3014 | } | |
3015 | ||
3016 | switch (mod) | |
3017 | { | |
3018 | case 0: | |
3019 | if (base == 5) | |
3020 | { | |
3021 | havebase = 0; | |
3022 | disp = get32 (); | |
3023 | } | |
3024 | break; | |
3025 | case 1: | |
3026 | FETCH_DATA (the_info, codep + 1); | |
3027 | disp = *codep++; | |
3028 | if ((disp & 0x80) != 0) | |
3029 | disp -= 0x100; | |
3030 | break; | |
3031 | case 2: | |
3032 | disp = get32 (); | |
3033 | break; | |
3034 | } | |
3035 | ||
3036 | if (!intel_syntax) | |
3037 | if (mod != 0 || base == 5) | |
3038 | { | |
3039 | sprintf (scratchbuf, "0x%x", disp); | |
3040 | oappend (scratchbuf); | |
3041 | } | |
2da11e11 | 3042 | |
252b5132 RH |
3043 | if (havebase || (havesib && (index != 4 || scale != 0))) |
3044 | { | |
3045 | if (intel_syntax) | |
3046 | { | |
3047 | switch (bytemode) | |
3048 | { | |
3049 | case b_mode: | |
3050 | oappend("BYTE PTR "); | |
3051 | break; | |
3052 | case w_mode: | |
3053 | oappend("WORD PTR "); | |
3054 | break; | |
3055 | case v_mode: | |
3056 | oappend("DWORD PTR "); | |
3057 | break; | |
3058 | case d_mode: | |
3059 | oappend("QWORD PTR "); | |
3060 | break; | |
3061 | case x_mode: | |
3062 | oappend("XWORD PTR "); | |
3063 | break; | |
3064 | default: | |
3065 | break; | |
3066 | } | |
3067 | } | |
3068 | *obufp++ = open_char; | |
3069 | *obufp = '\0'; | |
3070 | if (havebase) | |
3071 | oappend (names32[base]); | |
3072 | if (havesib) | |
3073 | { | |
3074 | if (index != 4) | |
3075 | { | |
3076 | if (intel_syntax) | |
3077 | { | |
3078 | if (havebase) | |
3079 | { | |
3080 | *obufp++ = separator_char; | |
3081 | *obufp = '\0'; | |
3082 | } | |
3083 | sprintf (scratchbuf, "%s", names32[index]); | |
3084 | } | |
3085 | else | |
3086 | sprintf (scratchbuf, ",%s", names32[index]); | |
3087 | oappend (scratchbuf); | |
3088 | } | |
3089 | if (!intel_syntax | |
2da11e11 | 3090 | || (intel_syntax |
252b5132 RH |
3091 | && bytemode != b_mode |
3092 | && bytemode != w_mode | |
3093 | && bytemode != v_mode)) | |
3094 | { | |
3095 | *obufp++ = scale_char; | |
3096 | *obufp = '\0'; | |
3097 | sprintf (scratchbuf, "%d", 1 << scale); | |
3098 | oappend (scratchbuf); | |
3099 | } | |
3100 | } | |
3101 | if (intel_syntax) | |
3102 | if (mod != 0 || base == 5) | |
3103 | { | |
3104 | /* Don't print zero displacements */ | |
3105 | if (disp > 0) | |
3106 | { | |
3107 | sprintf (scratchbuf, "+%d", disp); | |
3108 | oappend (scratchbuf); | |
3109 | } | |
3110 | else if (disp < 0) | |
3111 | { | |
3112 | sprintf (scratchbuf, "%d", disp); | |
3113 | oappend (scratchbuf); | |
3114 | } | |
3115 | } | |
3116 | ||
3117 | *obufp++ = close_char; | |
3118 | *obufp = '\0'; | |
3119 | } | |
3120 | else if (intel_syntax) | |
3121 | { | |
3122 | if (mod != 0 || base == 5) | |
3123 | { | |
3124 | if (prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS | |
3125 | | PREFIX_ES | PREFIX_FS | PREFIX_GS)) | |
3126 | ; | |
3127 | else | |
3128 | { | |
3129 | oappend (names_seg[3]); | |
3130 | oappend (":"); | |
3131 | } | |
3132 | sprintf (scratchbuf, "0x%x", disp); | |
3133 | oappend (scratchbuf); | |
3134 | } | |
3135 | } | |
3136 | } | |
3137 | else | |
3138 | { /* 16 bit address mode */ | |
3139 | switch (mod) | |
3140 | { | |
3141 | case 0: | |
3142 | if (rm == 6) | |
3143 | { | |
3144 | disp = get16 (); | |
3145 | if ((disp & 0x8000) != 0) | |
3146 | disp -= 0x10000; | |
3147 | } | |
3148 | break; | |
3149 | case 1: | |
3150 | FETCH_DATA (the_info, codep + 1); | |
3151 | disp = *codep++; | |
3152 | if ((disp & 0x80) != 0) | |
3153 | disp -= 0x100; | |
3154 | break; | |
3155 | case 2: | |
3156 | disp = get16 (); | |
3157 | if ((disp & 0x8000) != 0) | |
3158 | disp -= 0x10000; | |
3159 | break; | |
3160 | } | |
3161 | ||
3162 | if (!intel_syntax) | |
3163 | if (mod != 0 || rm == 6) | |
3164 | { | |
3165 | sprintf (scratchbuf, "%d", disp); | |
3166 | oappend (scratchbuf); | |
3167 | } | |
3168 | ||
3169 | if (mod != 0 || rm != 6) | |
3170 | { | |
3171 | *obufp++ = open_char; | |
3172 | *obufp = '\0'; | |
3173 | oappend (index16[rm]); | |
3174 | *obufp++ = close_char; | |
3175 | *obufp = '\0'; | |
3176 | } | |
3177 | } | |
3178 | } | |
3179 | ||
252b5132 RH |
3180 | static void |
3181 | OP_G (bytemode, sizeflag) | |
3182 | int bytemode; | |
3183 | int sizeflag; | |
3184 | { | |
3185 | switch (bytemode) | |
3186 | { | |
3187 | case b_mode: | |
3188 | oappend (names8[reg]); | |
3189 | break; | |
3190 | case w_mode: | |
3191 | oappend (names16[reg]); | |
3192 | break; | |
3193 | case d_mode: | |
3194 | oappend (names32[reg]); | |
3195 | break; | |
3196 | case v_mode: | |
3197 | if (sizeflag & DFLAG) | |
3198 | oappend (names32[reg]); | |
3199 | else | |
3200 | oappend (names16[reg]); | |
7d421014 | 3201 | used_prefixes |= (prefixes & PREFIX_DATA); |
252b5132 RH |
3202 | break; |
3203 | default: | |
3204 | oappend (INTERNAL_DISASSEMBLER_ERROR); | |
3205 | break; | |
3206 | } | |
3207 | } | |
3208 | ||
3209 | static int | |
3210 | get32 () | |
3211 | { | |
3212 | int x = 0; | |
3213 | ||
3214 | FETCH_DATA (the_info, codep + 4); | |
3215 | x = *codep++ & 0xff; | |
3216 | x |= (*codep++ & 0xff) << 8; | |
3217 | x |= (*codep++ & 0xff) << 16; | |
3218 | x |= (*codep++ & 0xff) << 24; | |
3219 | return x; | |
3220 | } | |
3221 | ||
3222 | static int | |
3223 | get16 () | |
3224 | { | |
3225 | int x = 0; | |
3226 | ||
3227 | FETCH_DATA (the_info, codep + 2); | |
3228 | x = *codep++ & 0xff; | |
3229 | x |= (*codep++ & 0xff) << 8; | |
3230 | return x; | |
3231 | } | |
3232 | ||
3233 | static void | |
3234 | set_op (op) | |
3235 | unsigned int op; | |
3236 | { | |
3237 | op_index[op_ad] = op_ad; | |
3238 | op_address[op_ad] = op; | |
3239 | } | |
3240 | ||
3241 | static void | |
3242 | OP_REG (code, sizeflag) | |
3243 | int code; | |
3244 | int sizeflag; | |
3245 | { | |
2da11e11 | 3246 | const char *s; |
252b5132 RH |
3247 | |
3248 | switch (code) | |
3249 | { | |
3250 | case indir_dx_reg: | |
3251 | s = "(%dx)"; | |
3252 | break; | |
3253 | case ax_reg: case cx_reg: case dx_reg: case bx_reg: | |
3254 | case sp_reg: case bp_reg: case si_reg: case di_reg: | |
3255 | s = names16[code - ax_reg]; | |
3256 | break; | |
3257 | case es_reg: case ss_reg: case cs_reg: | |
3258 | case ds_reg: case fs_reg: case gs_reg: | |
3259 | s = names_seg[code - es_reg]; | |
3260 | break; | |
3261 | case al_reg: case ah_reg: case cl_reg: case ch_reg: | |
3262 | case dl_reg: case dh_reg: case bl_reg: case bh_reg: | |
3263 | s = names8[code - al_reg]; | |
3264 | break; | |
3265 | case eAX_reg: case eCX_reg: case eDX_reg: case eBX_reg: | |
3266 | case eSP_reg: case eBP_reg: case eSI_reg: case eDI_reg: | |
3267 | if (sizeflag & DFLAG) | |
3268 | s = names32[code - eAX_reg]; | |
3269 | else | |
3270 | s = names16[code - eAX_reg]; | |
7d421014 | 3271 | used_prefixes |= (prefixes & PREFIX_DATA); |
252b5132 RH |
3272 | break; |
3273 | default: | |
3274 | s = INTERNAL_DISASSEMBLER_ERROR; | |
3275 | break; | |
3276 | } | |
3277 | oappend (s); | |
3278 | } | |
3279 | ||
3280 | static void | |
3281 | OP_I (bytemode, sizeflag) | |
3282 | int bytemode; | |
3283 | int sizeflag; | |
3284 | { | |
3285 | int op; | |
3286 | ||
3287 | switch (bytemode) | |
3288 | { | |
3289 | case b_mode: | |
3290 | FETCH_DATA (the_info, codep + 1); | |
3291 | op = *codep++ & 0xff; | |
3292 | break; | |
3293 | case v_mode: | |
3294 | if (sizeflag & DFLAG) | |
3295 | op = get32 (); | |
3296 | else | |
3297 | op = get16 (); | |
7d421014 | 3298 | used_prefixes |= (prefixes & PREFIX_DATA); |
252b5132 RH |
3299 | break; |
3300 | case w_mode: | |
3301 | op = get16 (); | |
3302 | break; | |
3303 | default: | |
3304 | oappend (INTERNAL_DISASSEMBLER_ERROR); | |
3305 | return; | |
3306 | } | |
3307 | ||
3308 | if (intel_syntax) | |
3309 | sprintf (scratchbuf, "0x%x", op); | |
3310 | else | |
3311 | sprintf (scratchbuf, "$0x%x", op); | |
3312 | oappend (scratchbuf); | |
3313 | scratchbuf[0] = '\0'; | |
3314 | } | |
3315 | ||
3316 | static void | |
3317 | OP_sI (bytemode, sizeflag) | |
3318 | int bytemode; | |
3319 | int sizeflag; | |
3320 | { | |
3321 | int op; | |
3322 | ||
3323 | switch (bytemode) | |
3324 | { | |
3325 | case b_mode: | |
3326 | FETCH_DATA (the_info, codep + 1); | |
3327 | op = *codep++; | |
3328 | if ((op & 0x80) != 0) | |
3329 | op -= 0x100; | |
3330 | break; | |
3331 | case v_mode: | |
3332 | if (sizeflag & DFLAG) | |
3333 | op = get32 (); | |
3334 | else | |
3335 | { | |
3336 | op = get16(); | |
3337 | if ((op & 0x8000) != 0) | |
3338 | op -= 0x10000; | |
3339 | } | |
7d421014 | 3340 | used_prefixes |= (prefixes & PREFIX_DATA); |
252b5132 RH |
3341 | break; |
3342 | case w_mode: | |
3343 | op = get16 (); | |
3344 | if ((op & 0x8000) != 0) | |
3345 | op -= 0x10000; | |
3346 | break; | |
3347 | default: | |
3348 | oappend (INTERNAL_DISASSEMBLER_ERROR); | |
3349 | return; | |
3350 | } | |
3351 | if (intel_syntax) | |
3352 | sprintf (scratchbuf, "%d", op); | |
3353 | else | |
3354 | sprintf (scratchbuf, "$0x%x", op); | |
3355 | oappend (scratchbuf); | |
3356 | } | |
3357 | ||
3358 | static void | |
3359 | OP_J (bytemode, sizeflag) | |
3360 | int bytemode; | |
3361 | int sizeflag; | |
3362 | { | |
3363 | int disp; | |
3364 | int mask = -1; | |
3365 | ||
3366 | switch (bytemode) | |
3367 | { | |
3368 | case b_mode: | |
3369 | FETCH_DATA (the_info, codep + 1); | |
3370 | disp = *codep++; | |
3371 | if ((disp & 0x80) != 0) | |
3372 | disp -= 0x100; | |
3373 | break; | |
3374 | case v_mode: | |
3375 | if (sizeflag & DFLAG) | |
3376 | disp = get32 (); | |
3377 | else | |
3378 | { | |
3379 | disp = get16 (); | |
3380 | /* for some reason, a data16 prefix on a jump instruction | |
3381 | means that the pc is masked to 16 bits after the | |
3382 | displacement is added! */ | |
3383 | mask = 0xffff; | |
3384 | } | |
7d421014 | 3385 | used_prefixes |= (prefixes & PREFIX_DATA); |
252b5132 RH |
3386 | break; |
3387 | default: | |
3388 | oappend (INTERNAL_DISASSEMBLER_ERROR); | |
3389 | return; | |
3390 | } | |
3391 | disp = (start_pc + codep - start_codep + disp) & mask; | |
3392 | set_op (disp); | |
3393 | sprintf (scratchbuf, "0x%x", disp); | |
3394 | oappend (scratchbuf); | |
3395 | } | |
3396 | ||
3397 | /* ARGSUSED */ | |
3398 | static void | |
3399 | OP_SEG (dummy, sizeflag) | |
57d91c3c ILT |
3400 | int dummy ATTRIBUTE_UNUSED; |
3401 | int sizeflag ATTRIBUTE_UNUSED; | |
252b5132 RH |
3402 | { |
3403 | static char *sreg[] = { | |
3404 | "%es","%cs","%ss","%ds","%fs","%gs","%?","%?", | |
3405 | }; | |
3406 | ||
3407 | oappend (sreg[reg]); | |
3408 | } | |
3409 | ||
c608c12e | 3410 | /* ARGSUSED */ |
252b5132 | 3411 | static void |
c608c12e | 3412 | OP_DIR (dummy, sizeflag) |
57d91c3c | 3413 | int dummy ATTRIBUTE_UNUSED; |
252b5132 RH |
3414 | int sizeflag; |
3415 | { | |
3416 | int seg, offset; | |
3417 | ||
c608c12e | 3418 | if (sizeflag & DFLAG) |
252b5132 | 3419 | { |
c608c12e AM |
3420 | offset = get32 (); |
3421 | seg = get16 (); | |
252b5132 | 3422 | } |
c608c12e AM |
3423 | else |
3424 | { | |
3425 | offset = get16 (); | |
3426 | seg = get16 (); | |
3427 | } | |
7d421014 | 3428 | used_prefixes |= (prefixes & PREFIX_DATA); |
c608c12e AM |
3429 | sprintf (scratchbuf, "$0x%x,$0x%x", seg, offset); |
3430 | oappend (scratchbuf); | |
252b5132 RH |
3431 | } |
3432 | ||
3433 | /* ARGSUSED */ | |
3434 | static void | |
3435 | OP_OFF (ignore, sizeflag) | |
57d91c3c | 3436 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3437 | int sizeflag; |
3438 | { | |
3439 | int off; | |
3440 | ||
3441 | append_seg (); | |
3442 | ||
3443 | if (sizeflag & AFLAG) | |
3444 | off = get32 (); | |
3445 | else | |
3446 | off = get16 (); | |
3447 | ||
3448 | if (intel_syntax) | |
3449 | { | |
3450 | if (!(prefixes & (PREFIX_CS | PREFIX_SS | PREFIX_DS | |
3451 | | PREFIX_ES | PREFIX_FS | PREFIX_GS))) | |
3452 | { | |
3453 | oappend (names_seg[3]); | |
3454 | oappend (":"); | |
3455 | } | |
3456 | } | |
3457 | sprintf (scratchbuf, "0x%x", off); | |
3458 | oappend (scratchbuf); | |
3459 | } | |
3460 | ||
3461 | static void | |
3462 | ptr_reg (code, sizeflag) | |
3463 | int code; | |
3464 | int sizeflag; | |
3465 | { | |
2da11e11 | 3466 | const char *s; |
252b5132 RH |
3467 | oappend ("("); |
3468 | if (sizeflag & AFLAG) | |
3469 | s = names32[code - eAX_reg]; | |
3470 | else | |
3471 | s = names16[code - eAX_reg]; | |
3472 | oappend (s); | |
3473 | oappend (")"); | |
3474 | } | |
3475 | ||
3476 | static void | |
3477 | OP_ESreg (code, sizeflag) | |
3478 | int code; | |
3479 | int sizeflag; | |
3480 | { | |
3481 | oappend ("%es:"); | |
3482 | ptr_reg (code, sizeflag); | |
3483 | } | |
3484 | ||
3485 | static void | |
3486 | OP_DSreg (code, sizeflag) | |
3487 | int code; | |
3488 | int sizeflag; | |
3489 | { | |
3490 | if ((prefixes | |
3491 | & (PREFIX_CS | |
3492 | | PREFIX_DS | |
3493 | | PREFIX_SS | |
3494 | | PREFIX_ES | |
3495 | | PREFIX_FS | |
3496 | | PREFIX_GS)) == 0) | |
3497 | prefixes |= PREFIX_DS; | |
3498 | append_seg(); | |
3499 | ptr_reg (code, sizeflag); | |
3500 | } | |
3501 | ||
252b5132 RH |
3502 | /* ARGSUSED */ |
3503 | static void | |
3504 | OP_C (dummy, sizeflag) | |
57d91c3c ILT |
3505 | int dummy ATTRIBUTE_UNUSED; |
3506 | int sizeflag ATTRIBUTE_UNUSED; | |
252b5132 | 3507 | { |
252b5132 RH |
3508 | sprintf (scratchbuf, "%%cr%d", reg); |
3509 | oappend (scratchbuf); | |
3510 | } | |
3511 | ||
3512 | /* ARGSUSED */ | |
3513 | static void | |
3514 | OP_D (dummy, sizeflag) | |
57d91c3c ILT |
3515 | int dummy ATTRIBUTE_UNUSED; |
3516 | int sizeflag ATTRIBUTE_UNUSED; | |
252b5132 | 3517 | { |
252b5132 RH |
3518 | sprintf (scratchbuf, "%%db%d", reg); |
3519 | oappend (scratchbuf); | |
3520 | } | |
3521 | ||
3522 | /* ARGSUSED */ | |
3523 | static void | |
3524 | OP_T (dummy, sizeflag) | |
57d91c3c ILT |
3525 | int dummy ATTRIBUTE_UNUSED; |
3526 | int sizeflag ATTRIBUTE_UNUSED; | |
252b5132 | 3527 | { |
252b5132 RH |
3528 | sprintf (scratchbuf, "%%tr%d", reg); |
3529 | oappend (scratchbuf); | |
3530 | } | |
3531 | ||
3532 | static void | |
2da11e11 | 3533 | OP_Rd (bytemode, sizeflag) |
252b5132 RH |
3534 | int bytemode; |
3535 | int sizeflag; | |
3536 | { | |
2da11e11 AM |
3537 | if (mod == 3) |
3538 | OP_E (bytemode, sizeflag); | |
3539 | else | |
3540 | BadOp(); | |
252b5132 RH |
3541 | } |
3542 | ||
3543 | static void | |
3544 | OP_MMX (ignore, sizeflag) | |
57d91c3c ILT |
3545 | int ignore ATTRIBUTE_UNUSED; |
3546 | int sizeflag ATTRIBUTE_UNUSED; | |
252b5132 RH |
3547 | { |
3548 | sprintf (scratchbuf, "%%mm%d", reg); | |
3549 | oappend (scratchbuf); | |
3550 | } | |
3551 | ||
c608c12e AM |
3552 | static void |
3553 | OP_XMM (bytemode, sizeflag) | |
57d91c3c ILT |
3554 | int bytemode ATTRIBUTE_UNUSED; |
3555 | int sizeflag ATTRIBUTE_UNUSED; | |
c608c12e AM |
3556 | { |
3557 | sprintf (scratchbuf, "%%xmm%d", reg); | |
3558 | oappend (scratchbuf); | |
3559 | } | |
3560 | ||
252b5132 RH |
3561 | static void |
3562 | OP_EM (bytemode, sizeflag) | |
3563 | int bytemode; | |
3564 | int sizeflag; | |
3565 | { | |
3566 | if (mod != 3) | |
3567 | { | |
3568 | OP_E (bytemode, sizeflag); | |
3569 | return; | |
3570 | } | |
3571 | ||
3572 | codep++; | |
3573 | sprintf (scratchbuf, "%%mm%d", rm); | |
3574 | oappend (scratchbuf); | |
3575 | } | |
3576 | ||
c608c12e AM |
3577 | static void |
3578 | OP_EX (bytemode, sizeflag) | |
3579 | int bytemode; | |
3580 | int sizeflag; | |
3581 | { | |
3582 | if (mod != 3) | |
3583 | { | |
3584 | OP_E (bytemode, sizeflag); | |
3585 | return; | |
3586 | } | |
3587 | ||
3588 | codep++; | |
3589 | sprintf (scratchbuf, "%%xmm%d", rm); | |
3590 | oappend (scratchbuf); | |
3591 | } | |
3592 | ||
252b5132 | 3593 | static void |
2da11e11 AM |
3594 | OP_MS (bytemode, sizeflag) |
3595 | int bytemode; | |
252b5132 RH |
3596 | int sizeflag; |
3597 | { | |
2da11e11 AM |
3598 | if (mod == 3) |
3599 | OP_EM (bytemode, sizeflag); | |
3600 | else | |
3601 | BadOp(); | |
252b5132 RH |
3602 | } |
3603 | ||
3604 | static const char *Suffix3DNow[] = { | |
3605 | /* 00 */ NULL, NULL, NULL, NULL, | |
3606 | /* 04 */ NULL, NULL, NULL, NULL, | |
3607 | /* 08 */ NULL, NULL, NULL, NULL, | |
9e525108 | 3608 | /* 0C */ "pi2fw", "pi2fd", NULL, NULL, |
252b5132 RH |
3609 | /* 10 */ NULL, NULL, NULL, NULL, |
3610 | /* 14 */ NULL, NULL, NULL, NULL, | |
3611 | /* 18 */ NULL, NULL, NULL, NULL, | |
9e525108 | 3612 | /* 1C */ "pf2iw", "pf2id", NULL, NULL, |
252b5132 RH |
3613 | /* 20 */ NULL, NULL, NULL, NULL, |
3614 | /* 24 */ NULL, NULL, NULL, NULL, | |
3615 | /* 28 */ NULL, NULL, NULL, NULL, | |
3616 | /* 2C */ NULL, NULL, NULL, NULL, | |
3617 | /* 30 */ NULL, NULL, NULL, NULL, | |
3618 | /* 34 */ NULL, NULL, NULL, NULL, | |
3619 | /* 38 */ NULL, NULL, NULL, NULL, | |
3620 | /* 3C */ NULL, NULL, NULL, NULL, | |
3621 | /* 40 */ NULL, NULL, NULL, NULL, | |
3622 | /* 44 */ NULL, NULL, NULL, NULL, | |
3623 | /* 48 */ NULL, NULL, NULL, NULL, | |
3624 | /* 4C */ NULL, NULL, NULL, NULL, | |
3625 | /* 50 */ NULL, NULL, NULL, NULL, | |
3626 | /* 54 */ NULL, NULL, NULL, NULL, | |
3627 | /* 58 */ NULL, NULL, NULL, NULL, | |
3628 | /* 5C */ NULL, NULL, NULL, NULL, | |
3629 | /* 60 */ NULL, NULL, NULL, NULL, | |
3630 | /* 64 */ NULL, NULL, NULL, NULL, | |
3631 | /* 68 */ NULL, NULL, NULL, NULL, | |
3632 | /* 6C */ NULL, NULL, NULL, NULL, | |
3633 | /* 70 */ NULL, NULL, NULL, NULL, | |
3634 | /* 74 */ NULL, NULL, NULL, NULL, | |
3635 | /* 78 */ NULL, NULL, NULL, NULL, | |
3636 | /* 7C */ NULL, NULL, NULL, NULL, | |
3637 | /* 80 */ NULL, NULL, NULL, NULL, | |
3638 | /* 84 */ NULL, NULL, NULL, NULL, | |
9e525108 AM |
3639 | /* 88 */ NULL, NULL, "pfnacc", NULL, |
3640 | /* 8C */ NULL, NULL, "pfpnacc", NULL, | |
252b5132 RH |
3641 | /* 90 */ "pfcmpge", NULL, NULL, NULL, |
3642 | /* 94 */ "pfmin", NULL, "pfrcp", "pfrsqrt", | |
3643 | /* 98 */ NULL, NULL, "pfsub", NULL, | |
3644 | /* 9C */ NULL, NULL, "pfadd", NULL, | |
3645 | /* A0 */ "pfcmpgt", NULL, NULL, NULL, | |
3646 | /* A4 */ "pfmax", NULL, "pfrcpit1", "pfrsqit1", | |
3647 | /* A8 */ NULL, NULL, "pfsubr", NULL, | |
3648 | /* AC */ NULL, NULL, "pfacc", NULL, | |
3649 | /* B0 */ "pfcmpeq", NULL, NULL, NULL, | |
3650 | /* B4 */ "pfmul", NULL, "pfrcpit2", "pfmulhrw", | |
9e525108 | 3651 | /* B8 */ NULL, NULL, NULL, "pswapd", |
252b5132 RH |
3652 | /* BC */ NULL, NULL, NULL, "pavgusb", |
3653 | /* C0 */ NULL, NULL, NULL, NULL, | |
3654 | /* C4 */ NULL, NULL, NULL, NULL, | |
3655 | /* C8 */ NULL, NULL, NULL, NULL, | |
3656 | /* CC */ NULL, NULL, NULL, NULL, | |
3657 | /* D0 */ NULL, NULL, NULL, NULL, | |
3658 | /* D4 */ NULL, NULL, NULL, NULL, | |
3659 | /* D8 */ NULL, NULL, NULL, NULL, | |
3660 | /* DC */ NULL, NULL, NULL, NULL, | |
3661 | /* E0 */ NULL, NULL, NULL, NULL, | |
3662 | /* E4 */ NULL, NULL, NULL, NULL, | |
3663 | /* E8 */ NULL, NULL, NULL, NULL, | |
3664 | /* EC */ NULL, NULL, NULL, NULL, | |
3665 | /* F0 */ NULL, NULL, NULL, NULL, | |
3666 | /* F4 */ NULL, NULL, NULL, NULL, | |
3667 | /* F8 */ NULL, NULL, NULL, NULL, | |
3668 | /* FC */ NULL, NULL, NULL, NULL, | |
3669 | }; | |
3670 | ||
3671 | static void | |
3672 | OP_3DNowSuffix (bytemode, sizeflag) | |
57d91c3c ILT |
3673 | int bytemode ATTRIBUTE_UNUSED; |
3674 | int sizeflag ATTRIBUTE_UNUSED; | |
252b5132 RH |
3675 | { |
3676 | const char *mnemonic; | |
3677 | ||
3678 | FETCH_DATA (the_info, codep + 1); | |
3679 | /* AMD 3DNow! instructions are specified by an opcode suffix in the | |
3680 | place where an 8-bit immediate would normally go. ie. the last | |
3681 | byte of the instruction. */ | |
2da11e11 | 3682 | obufp = obuf + strlen(obuf); |
c608c12e | 3683 | mnemonic = Suffix3DNow[*codep++ & 0xff]; |
252b5132 | 3684 | if (mnemonic) |
2da11e11 | 3685 | oappend (mnemonic); |
252b5132 RH |
3686 | else |
3687 | { | |
3688 | /* Since a variable sized modrm/sib chunk is between the start | |
3689 | of the opcode (0x0f0f) and the opcode suffix, we need to do | |
3690 | all the modrm processing first, and don't know until now that | |
3691 | we have a bad opcode. This necessitates some cleaning up. */ | |
2da11e11 AM |
3692 | op1out[0] = '\0'; |
3693 | op2out[0] = '\0'; | |
3694 | BadOp(); | |
252b5132 RH |
3695 | } |
3696 | } | |
c608c12e AM |
3697 | |
3698 | ||
3699 | static const char *simd_cmp_op [] = { | |
3700 | "eq", | |
3701 | "lt", | |
3702 | "le", | |
3703 | "unord", | |
3704 | "neq", | |
3705 | "nlt", | |
3706 | "nle", | |
3707 | "ord" | |
3708 | }; | |
3709 | ||
3710 | static void | |
3711 | OP_SIMD_Suffix (bytemode, sizeflag) | |
57d91c3c ILT |
3712 | int bytemode ATTRIBUTE_UNUSED; |
3713 | int sizeflag ATTRIBUTE_UNUSED; | |
c608c12e AM |
3714 | { |
3715 | unsigned int cmp_type; | |
3716 | ||
3717 | FETCH_DATA (the_info, codep + 1); | |
2da11e11 | 3718 | obufp = obuf + strlen(obuf); |
c608c12e AM |
3719 | cmp_type = *codep++ & 0xff; |
3720 | if (cmp_type < 8) | |
3721 | { | |
3722 | sprintf (scratchbuf, "cmp%s%cs", | |
3723 | simd_cmp_op[cmp_type], | |
3724 | prefixes & PREFIX_REPZ ? 's' : 'p'); | |
7d421014 | 3725 | used_prefixes |= (prefixes & PREFIX_REPZ); |
2da11e11 | 3726 | oappend (scratchbuf); |
c608c12e AM |
3727 | } |
3728 | else | |
3729 | { | |
3730 | /* We have a bad extension byte. Clean up. */ | |
2da11e11 AM |
3731 | op1out[0] = '\0'; |
3732 | op2out[0] = '\0'; | |
3733 | BadOp(); | |
c608c12e AM |
3734 | } |
3735 | } | |
3736 | ||
3737 | static void | |
3738 | SIMD_Fixup (extrachar, sizeflag) | |
3739 | int extrachar; | |
57d91c3c | 3740 | int sizeflag ATTRIBUTE_UNUSED; |
c608c12e AM |
3741 | { |
3742 | /* Change movlps/movhps to movhlps/movlhps for 2 register operand | |
3743 | forms of these instructions. */ | |
3744 | if (mod == 3) | |
3745 | { | |
3746 | char *p = obuf + strlen(obuf); | |
3747 | *(p+1) = '\0'; | |
3748 | *p = *(p-1); | |
3749 | *(p-1) = *(p-2); | |
3750 | *(p-2) = *(p-3); | |
3751 | *(p-3) = extrachar; | |
3752 | } | |
3753 | } | |
2da11e11 AM |
3754 | |
3755 | static void BadOp (void) | |
3756 | { | |
3757 | codep = insn_codep + 1; /* throw away prefixes and 1st. opcode byte */ | |
3758 | oappend ("(bad)"); | |
3759 | } |