1 /*-
2 * Mach Operating System
3 * Copyright (c) 1991,1990 Carnegie Mellon University
4 * All Rights Reserved.
5 *
6 * Permission to use, copy, modify and distribute this software and its
7 * documentation is hereby granted, provided that both the copyright
8 * notice and this permission notice appear in all copies of the
9 * software, derivative works or modified versions, and any portions
10 * thereof, and that both notices appear in supporting documentation.
11 *
12 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS
13 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
14 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
15 *
16 * Carnegie Mellon requests users of this software to return to
17 *
18 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
19 * School of Computer Science
20 * Carnegie Mellon University
21 * Pittsburgh PA 15213-3890
22 *
23 * any improvements or extensions that they make and grant Carnegie the
24 * rights to redistribute these changes.
25 */
26
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD: src/sys/amd64/amd64/db_disasm.c,v 1.32 2008/08/11 20:19:42 jhb Exp $");
29
30 /*
31 * Instruction disassembler.
32 */
33 #include <sys/param.h>
34
35 #include <ddb/ddb.h>
36 #include <ddb/db_access.h>
37 #include <ddb/db_sym.h>
38
39 /*
40 * Size attributes
41 */
42 #define BYTE 0
43 #define WORD 1
44 #define LONG 2
45 #define QUAD 3
46 #define SNGL 4
47 #define DBLR 5
48 #define EXTR 6
49 #define SDEP 7
50 #define NONE 8
51
52 /*
53 * REX prefix and bits
54 */
55 #define REX_B 1
56 #define REX_X 2
57 #define REX_R 4
58 #define REX_W 8
59 #define REX 0x40
60
61 /*
62 * Addressing modes
63 */
64 #define E 1 /* general effective address */
65 #define Eind 2 /* indirect address (jump, call) */
66 #define Ew 3 /* address, word size */
67 #define Eb 4 /* address, byte size */
68 #define R 5 /* register, in 'reg' field */
69 #define Rw 6 /* word register, in 'reg' field */
70 #define Ri 7 /* register in instruction */
71 #define S 8 /* segment reg, in 'reg' field */
72 #define Si 9 /* segment reg, in instruction */
73 #define A 10 /* accumulator */
74 #define BX 11 /* (bx) */
75 #define CL 12 /* cl, for shifts */
76 #define DX 13 /* dx, for IO */
77 #define SI 14 /* si */
78 #define DI 15 /* di */
79 #define CR 16 /* control register */
80 #define DR 17 /* debug register */
81 #define TR 18 /* test register */
82 #define I 19 /* immediate, unsigned */
83 #define Is 20 /* immediate, signed */
84 #define Ib 21 /* byte immediate, unsigned */
85 #define Ibs 22 /* byte immediate, signed */
86 #define Iw 23 /* word immediate, unsigned */
87 #define Ilq 24 /* long/quad immediate, unsigned */
88 #define O 25 /* direct address */
89 #define Db 26 /* byte displacement from EIP */
90 #define Dl 27 /* long displacement from EIP */
91 #define o1 28 /* constant 1 */
92 #define o3 29 /* constant 3 */
93 #define OS 30 /* immediate offset/segment */
94 #define ST 31 /* FP stack top */
95 #define STI 32 /* FP stack */
96 #define X 33 /* extended FP op */
97 #define XA 34 /* for 'fstcw %ax' */
98 #define El 35 /* address, long/quad size */
99 #define Ril 36 /* long register in instruction */
100 #define Iba 37 /* byte immediate, don't print if 0xa */
101 #define EL 38 /* address, explicitly long size */
102
103 struct inst {
104 const char * i_name; /* name */
105 short i_has_modrm; /* has regmodrm byte */
106 short i_size; /* operand size */
107 int i_mode; /* addressing modes */
108 const void * i_extra; /* pointer to extra opcode table */
109 };
110
111 #define op1(x) (x)
112 #define op2(x,y) ((x)|((y)<<8))
113 #define op3(x,y,z) ((x)|((y)<<8)|((z)<<16))
114
115 struct finst {
116 const char * f_name; /* name for memory instruction */
117 int f_size; /* size for memory instruction */
118 int f_rrmode; /* mode for rr instruction */
119 const void * f_rrname; /* name for rr instruction
120 (or pointer to table) */
121 };
122
123 static const char * const db_Grp6[] = {
124 "sldt",
125 "str",
126 "lldt",
127 "ltr",
128 "verr",
129 "verw",
130 "",
131 ""
132 };
133
134 static const char * const db_Grp7[] = {
135 "sgdt",
136 "sidt",
137 "lgdt",
138 "lidt",
139 "smsw",
140 "",
141 "lmsw",
142 "invlpg"
143 };
144
145 static const char * const db_Grp8[] = {
146 "",
147 "",
148 "",
149 "",
150 "bt",
151 "bts",
152 "btr",
153 "btc"
154 };
155
156 static const char * const db_Grp9[] = {
157 "",
158 "cmpxchg8b",
159 "",
160 "",
161 "",
162 "",
163 "",
164 ""
165 };
166
167 static const char * const db_Grp15[] = {
168 "fxsave",
169 "fxrstor",
170 "ldmxcsr",
171 "stmxcsr",
172 "",
173 "",
174 "",
175 "clflush"
176 };
177
178 static const char * const db_Grp15b[] = {
179 "",
180 "",
181 "",
182 "",
183 "",
184 "lfence",
185 "mfence",
186 "sfence"
187 };
188
189 static const struct inst db_inst_0f0x[] = {
190 /*00*/ { "", TRUE, NONE, op1(Ew), db_Grp6 },
191 /*01*/ { "", TRUE, NONE, op1(Ew), db_Grp7 },
192 /*02*/ { "lar", TRUE, LONG, op2(E,R), 0 },
193 /*03*/ { "lsl", TRUE, LONG, op2(E,R), 0 },
194 /*04*/ { "", FALSE, NONE, 0, 0 },
195 /*05*/ { "syscall",FALSE,NONE, 0, 0 },
196 /*06*/ { "clts", FALSE, NONE, 0, 0 },
197 /*07*/ { "sysret",FALSE, NONE, 0, 0 },
198
199 /*08*/ { "invd", FALSE, NONE, 0, 0 },
200 /*09*/ { "wbinvd",FALSE, NONE, 0, 0 },
201 /*0a*/ { "", FALSE, NONE, 0, 0 },
202 /*0b*/ { "", FALSE, NONE, 0, 0 },
203 /*0c*/ { "", FALSE, NONE, 0, 0 },
204 /*0d*/ { "", FALSE, NONE, 0, 0 },
205 /*0e*/ { "", FALSE, NONE, 0, 0 },
206 /*0f*/ { "", FALSE, NONE, 0, 0 },
207 };
208
209 static const struct inst db_inst_0f2x[] = {
210 /*20*/ { "mov", TRUE, LONG, op2(CR,El), 0 },
211 /*21*/ { "mov", TRUE, LONG, op2(DR,El), 0 },
212 /*22*/ { "mov", TRUE, LONG, op2(El,CR), 0 },
213 /*23*/ { "mov", TRUE, LONG, op2(El,DR), 0 },
214 /*24*/ { "mov", TRUE, LONG, op2(TR,El), 0 },
215 /*25*/ { "", FALSE, NONE, 0, 0 },
216 /*26*/ { "mov", TRUE, LONG, op2(El,TR), 0 },
217 /*27*/ { "", FALSE, NONE, 0, 0 },
218
219 /*28*/ { "", FALSE, NONE, 0, 0 },
220 /*29*/ { "", FALSE, NONE, 0, 0 },
221 /*2a*/ { "", FALSE, NONE, 0, 0 },
222 /*2b*/ { "", FALSE, NONE, 0, 0 },
223 /*2c*/ { "", FALSE, NONE, 0, 0 },
224 /*2d*/ { "", FALSE, NONE, 0, 0 },
225 /*2e*/ { "", FALSE, NONE, 0, 0 },
226 /*2f*/ { "", FALSE, NONE, 0, 0 },
227 };
228
229 static const struct inst db_inst_0f3x[] = {
230 /*30*/ { "wrmsr", FALSE, NONE, 0, 0 },
231 /*31*/ { "rdtsc", FALSE, NONE, 0, 0 },
232 /*32*/ { "rdmsr", FALSE, NONE, 0, 0 },
233 /*33*/ { "rdpmc", FALSE, NONE, 0, 0 },
234 /*34*/ { "sysenter",FALSE,NONE, 0, 0 },
235 /*35*/ { "sysexit",FALSE,NONE, 0, 0 },
236 /*36*/ { "", FALSE, NONE, 0, 0 },
237 /*37*/ { "getsec",FALSE, NONE, 0, 0 },
238
239 /*38*/ { "", FALSE, NONE, 0, 0 },
240 /*39*/ { "", FALSE, NONE, 0, 0 },
241 /*3a*/ { "", FALSE, NONE, 0, 0 },
242 /*3b*/ { "", FALSE, NONE, 0, 0 },
243 /*3c*/ { "", FALSE, NONE, 0, 0 },
244 /*3d*/ { "", FALSE, NONE, 0, 0 },
245 /*3e*/ { "", FALSE, NONE, 0, 0 },
246 /*3f*/ { "", FALSE, NONE, 0, 0 },
247 };
248
249 static const struct inst db_inst_0f4x[] = {
250 /*40*/ { "cmovo", TRUE, NONE, op2(E, R), 0 },
251 /*41*/ { "cmovno", TRUE, NONE, op2(E, R), 0 },
252 /*42*/ { "cmovb", TRUE, NONE, op2(E, R), 0 },
253 /*43*/ { "cmovnb", TRUE, NONE, op2(E, R), 0 },
254 /*44*/ { "cmovz", TRUE, NONE, op2(E, R), 0 },
255 /*45*/ { "cmovnz", TRUE, NONE, op2(E, R), 0 },
256 /*46*/ { "cmovbe", TRUE, NONE, op2(E, R), 0 },
257 /*47*/ { "cmovnbe",TRUE, NONE, op2(E, R), 0 },
258
259 /*48*/ { "cmovs", TRUE, NONE, op2(E, R), 0 },
260 /*49*/ { "cmovns", TRUE, NONE, op2(E, R), 0 },
261 /*4a*/ { "cmovp", TRUE, NONE, op2(E, R), 0 },
262 /*4b*/ { "cmovnp", TRUE, NONE, op2(E, R), 0 },
263 /*4c*/ { "cmovl", TRUE, NONE, op2(E, R), 0 },
264 /*4d*/ { "cmovnl", TRUE, NONE, op2(E, R), 0 },
265 /*4e*/ { "cmovle", TRUE, NONE, op2(E, R), 0 },
266 /*4f*/ { "cmovnle",TRUE, NONE, op2(E, R), 0 },
267 };
268
269 static const struct inst db_inst_0f8x[] = {
270 /*80*/ { "jo", FALSE, NONE, op1(Dl), 0 },
271 /*81*/ { "jno", FALSE, NONE, op1(Dl), 0 },
272 /*82*/ { "jb", FALSE, NONE, op1(Dl), 0 },
273 /*83*/ { "jnb", FALSE, NONE, op1(Dl), 0 },
274 /*84*/ { "jz", FALSE, NONE, op1(Dl), 0 },
275 /*85*/ { "jnz", FALSE, NONE, op1(Dl), 0 },
276 /*86*/ { "jbe", FALSE, NONE, op1(Dl), 0 },
277 /*87*/ { "jnbe", FALSE, NONE, op1(Dl), 0 },
278
279 /*88*/ { "js", FALSE, NONE, op1(Dl), 0 },
280 /*89*/ { "jns", FALSE, NONE, op1(Dl), 0 },
281 /*8a*/ { "jp", FALSE, NONE, op1(Dl), 0 },
282 /*8b*/ { "jnp", FALSE, NONE, op1(Dl), 0 },
283 /*8c*/ { "jl", FALSE, NONE, op1(Dl), 0 },
284 /*8d*/ { "jnl", FALSE, NONE, op1(Dl), 0 },
285 /*8e*/ { "jle", FALSE, NONE, op1(Dl), 0 },
286 /*8f*/ { "jnle", FALSE, NONE, op1(Dl), 0 },
287 };
288
289 static const struct inst db_inst_0f9x[] = {
290 /*90*/ { "seto", TRUE, NONE, op1(Eb), 0 },
291 /*91*/ { "setno", TRUE, NONE, op1(Eb), 0 },
292 /*92*/ { "setb", TRUE, NONE, op1(Eb), 0 },
293 /*93*/ { "setnb", TRUE, NONE, op1(Eb), 0 },
294 /*94*/ { "setz", TRUE, NONE, op1(Eb), 0 },
295 /*95*/ { "setnz", TRUE, NONE, op1(Eb), 0 },
296 /*96*/ { "setbe", TRUE, NONE, op1(Eb), 0 },
297 /*97*/ { "setnbe",TRUE, NONE, op1(Eb), 0 },
298
299 /*98*/ { "sets", TRUE, NONE, op1(Eb), 0 },
300 /*99*/ { "setns", TRUE, NONE, op1(Eb), 0 },
301 /*9a*/ { "setp", TRUE, NONE, op1(Eb), 0 },
302 /*9b*/ { "setnp", TRUE, NONE, op1(Eb), 0 },
303 /*9c*/ { "setl", TRUE, NONE, op1(Eb), 0 },
304 /*9d*/ { "setnl", TRUE, NONE, op1(Eb), 0 },
305 /*9e*/ { "setle", TRUE, NONE, op1(Eb), 0 },
306 /*9f*/ { "setnle",TRUE, NONE, op1(Eb), 0 },
307 };
308
309 static const struct inst db_inst_0fax[] = {
310 /*a0*/ { "push", FALSE, NONE, op1(Si), 0 },
311 /*a1*/ { "pop", FALSE, NONE, op1(Si), 0 },
312 /*a2*/ { "cpuid", FALSE, NONE, 0, 0 },
313 /*a3*/ { "bt", TRUE, LONG, op2(R,E), 0 },
314 /*a4*/ { "shld", TRUE, LONG, op3(Ib,R,E), 0 },
315 /*a5*/ { "shld", TRUE, LONG, op3(CL,R,E), 0 },
316 /*a6*/ { "", FALSE, NONE, 0, 0 },
317 /*a7*/ { "", FALSE, NONE, 0, 0 },
318
319 /*a8*/ { "push", FALSE, NONE, op1(Si), 0 },
320 /*a9*/ { "pop", FALSE, NONE, op1(Si), 0 },
321 /*aa*/ { "rsm", FALSE, NONE, 0, 0 },
322 /*ab*/ { "bts", TRUE, LONG, op2(R,E), 0 },
323 /*ac*/ { "shrd", TRUE, LONG, op3(Ib,R,E), 0 },
324 /*ad*/ { "shrd", TRUE, LONG, op3(CL,R,E), 0 },
325 /*ae*/ { "", TRUE, LONG, op1(E), db_Grp15 },
326 /*af*/ { "imul", TRUE, LONG, op2(E,R), 0 },
327 };
328
329 static const struct inst db_inst_0fbx[] = {
330 /*b0*/ { "cmpxchg",TRUE, BYTE, op2(R, E), 0 },
331 /*b0*/ { "cmpxchg",TRUE, LONG, op2(R, E), 0 },
332 /*b2*/ { "lss", TRUE, LONG, op2(E, R), 0 },
333 /*b3*/ { "btr", TRUE, LONG, op2(R, E), 0 },
334 /*b4*/ { "lfs", TRUE, LONG, op2(E, R), 0 },
335 /*b5*/ { "lgs", TRUE, LONG, op2(E, R), 0 },
336 /*b6*/ { "movzb", TRUE, LONG, op2(Eb, R), 0 },
337 /*b7*/ { "movzw", TRUE, LONG, op2(Ew, R), 0 },
338
339 /*b8*/ { "", FALSE, NONE, 0, 0 },
340 /*b9*/ { "", FALSE, NONE, 0, 0 },
341 /*ba*/ { "", TRUE, LONG, op2(Ib, E), db_Grp8 },
342 /*bb*/ { "btc", TRUE, LONG, op2(R, E), 0 },
343 /*bc*/ { "bsf", TRUE, LONG, op2(E, R), 0 },
344 /*bd*/ { "bsr", TRUE, LONG, op2(E, R), 0 },
345 /*be*/ { "movsb", TRUE, LONG, op2(Eb, R), 0 },
346 /*bf*/ { "movsw", TRUE, LONG, op2(Ew, R), 0 },
347 };
348
349 static const struct inst db_inst_0fcx[] = {
350 /*c0*/ { "xadd", TRUE, BYTE, op2(R, E), 0 },
351 /*c1*/ { "xadd", TRUE, LONG, op2(R, E), 0 },
352 /*c2*/ { "", FALSE, NONE, 0, 0 },
353 /*c3*/ { "", FALSE, NONE, 0, 0 },
354 /*c4*/ { "", FALSE, NONE, 0, 0 },
355 /*c5*/ { "", FALSE, NONE, 0, 0 },
356 /*c6*/ { "", FALSE, NONE, 0, 0 },
357 /*c7*/ { "", TRUE, NONE, op1(E), db_Grp9 },
358 /*c8*/ { "bswap", FALSE, LONG, op1(Ril), 0 },
359 /*c9*/ { "bswap", FALSE, LONG, op1(Ril), 0 },
360 /*ca*/ { "bswap", FALSE, LONG, op1(Ril), 0 },
361 /*cb*/ { "bswap", FALSE, LONG, op1(Ril), 0 },
362 /*cc*/ { "bswap", FALSE, LONG, op1(Ril), 0 },
363 /*cd*/ { "bswap", FALSE, LONG, op1(Ril), 0 },
364 /*ce*/ { "bswap", FALSE, LONG, op1(Ril), 0 },
365 /*cf*/ { "bswap", FALSE, LONG, op1(Ril), 0 },
366 };
367
368 static const struct inst * const db_inst_0f[] = {
369 db_inst_0f0x,
370 0,
371 db_inst_0f2x,
372 db_inst_0f3x,
373 db_inst_0f4x,
374 0,
375 0,
376 0,
377 db_inst_0f8x,
378 db_inst_0f9x,
379 db_inst_0fax,
380 db_inst_0fbx,
381 db_inst_0fcx,
382 0,
383 0,
384 0
385 };
386
387 static const char * const db_Esc92[] = {
388 "fnop", "", "", "", "", "", "", ""
389 };
390 static const char * const db_Esc94[] = {
391 "fchs", "fabs", "", "", "ftst", "fxam", "", ""
392 };
393 static const char * const db_Esc95[] = {
394 "fld1", "fldl2t","fldl2e","fldpi","fldlg2","fldln2","fldz",""
395 };
396 static const char * const db_Esc96[] = {
397 "f2xm1","fyl2x","fptan","fpatan","fxtract","fprem1","fdecstp",
398 "fincstp"
399 };
400 static const char * const db_Esc97[] = {
401 "fprem","fyl2xp1","fsqrt","fsincos","frndint","fscale","fsin","fcos"
402 };
403
404 static const char * const db_Esca5[] = {
405 "", "fucompp","", "", "", "", "", ""
406 };
407
408 static const char * const db_Escb4[] = {
409 "fneni","fndisi", "fnclex","fninit","fsetpm", "", "", ""
410 };
411
412 static const char * const db_Esce3[] = {
413 "", "fcompp","", "", "", "", "", ""
414 };
415
416 static const char * const db_Escf4[] = {
417 "fnstsw","", "", "", "", "", "", ""
418 };
419
420 static const struct finst db_Esc8[] = {
421 /**/ { "fadd", SNGL, op2(STI,ST), 0 },
422 /*1*/ { "fmul", SNGL, op2(STI,ST), 0 },
423 /*2*/ { "fcom", SNGL, op2(STI,ST), 0 },
424 /*3*/ { "fcomp", SNGL, op2(STI,ST), 0 },
425 /*4*/ { "fsub", SNGL, op2(STI,ST), 0 },
426 /*5*/ { "fsubr", SNGL, op2(STI,ST), 0 },
427 /*6*/ { "fdiv", SNGL, op2(STI,ST), 0 },
428 /*7*/ { "fdivr", SNGL, op2(STI,ST), 0 },
429 };
430
431 static const struct finst db_Esc9[] = {
432 /**/ { "fld", SNGL, op1(STI), 0 },
433 /*1*/ { "", NONE, op1(STI), "fxch" },
434 /*2*/ { "fst", SNGL, op1(X), db_Esc92 },
435 /*3*/ { "fstp", SNGL, 0, 0 },
436 /*4*/ { "fldenv", NONE, op1(X), db_Esc94 },
437 /*5*/ { "fldcw", NONE, op1(X), db_Esc95 },
438 /*6*/ { "fnstenv",NONE, op1(X), db_Esc96 },
439 /*7*/ { "fnstcw", NONE, op1(X), db_Esc97 },
440 };
441
442 static const struct finst db_Esca[] = {
443 /**/ { "fiadd", LONG, 0, 0 },
444 /*1*/ { "fimul", LONG, 0, 0 },
445 /*2*/ { "ficom", LONG, 0, 0 },
446 /*3*/ { "ficomp", LONG, 0, 0 },
447 /*4*/ { "fisub", LONG, 0, 0 },
448 /*5*/ { "fisubr", LONG, op1(X), db_Esca5 },
449 /*6*/ { "fidiv", LONG, 0, 0 },
450 /*7*/ { "fidivr", LONG, 0, 0 }
451 };
452
453 static const struct finst db_Escb[] = {
454 /**/ { "fild", LONG, 0, 0 },
455 /*1*/ { "", NONE, 0, 0 },
456 /*2*/ { "fist", LONG, 0, 0 },
457 /*3*/ { "fistp", LONG, 0, 0 },
458 /*4*/ { "", WORD, op1(X), db_Escb4 },
459 /*5*/ { "fld", EXTR, 0, 0 },
460 /*6*/ { "", WORD, 0, 0 },
461 /*7*/ { "fstp", EXTR, 0, 0 },
462 };
463
464 static const struct finst db_Escc[] = {
465 /**/ { "fadd", DBLR, op2(ST,STI), 0 },
466 /*1*/ { "fmul", DBLR, op2(ST,STI), 0 },
467 /*2*/ { "fcom", DBLR, 0, 0 },
468 /*3*/ { "fcomp", DBLR, 0, 0 },
469 /*4*/ { "fsub", DBLR, op2(ST,STI), "fsubr" },
470 /*5*/ { "fsubr", DBLR, op2(ST,STI), "fsub" },
471 /*6*/ { "fdiv", DBLR, op2(ST,STI), "fdivr" },
472 /*7*/ { "fdivr", DBLR, op2(ST,STI), "fdiv" },
473 };
474
475 static const struct finst db_Escd[] = {
476 /**/ { "fld", DBLR, op1(STI), "ffree" },
477 /*1*/ { "", NONE, 0, 0 },
478 /*2*/ { "fst", DBLR, op1(STI), 0 },
479 /*3*/ { "fstp", DBLR, op1(STI), 0 },
480 /*4*/ { "frstor", NONE, op1(STI), "fucom" },
481 /*5*/ { "", NONE, op1(STI), "fucomp" },
482 /*6*/ { "fnsave", NONE, 0, 0 },
483 /*7*/ { "fnstsw", NONE, 0, 0 },
484 };
485
486 static const struct finst db_Esce[] = {
487 /**/ { "fiadd", WORD, op2(ST,STI), "faddp" },
488 /*1*/ { "fimul", WORD, op2(ST,STI), "fmulp" },
489 /*2*/ { "ficom", WORD, 0, 0 },
490 /*3*/ { "ficomp", WORD, op1(X), db_Esce3 },
491 /*4*/ { "fisub", WORD, op2(ST,STI), "fsubrp" },
492 /*5*/ { "fisubr", WORD, op2(ST,STI), "fsubp" },
493 /*6*/ { "fidiv", WORD, op2(ST,STI), "fdivrp" },
494 /*7*/ { "fidivr", WORD, op2(ST,STI), "fdivp" },
495 };
496
497 static const struct finst db_Escf[] = {
498 /**/ { "fild", WORD, 0, 0 },
499 /*1*/ { "", NONE, 0, 0 },
500 /*2*/ { "fist", WORD, 0, 0 },
501 /*3*/ { "fistp", WORD, 0, 0 },
502 /*4*/ { "fbld", NONE, op1(XA), db_Escf4 },
503 /*5*/ { "fild", QUAD, 0, 0 },
504 /*6*/ { "fbstp", NONE, 0, 0 },
505 /*7*/ { "fistp", QUAD, 0, 0 },
506 };
507
508 static const struct finst * const db_Esc_inst[] = {
509 db_Esc8, db_Esc9, db_Esca, db_Escb,
510 db_Escc, db_Escd, db_Esce, db_Escf
511 };
512
513 static const char * const db_Grp1[] = {
514 "add",
515 "or",
516 "adc",
517 "sbb",
518 "and",
519 "sub",
520 "xor",
521 "cmp"
522 };
523
524 static const char * const db_Grp2[] = {
525 "rol",
526 "ror",
527 "rcl",
528 "rcr",
529 "shl",
530 "shr",
531 "shl",
532 "sar"
533 };
534
535 static const struct inst db_Grp3[] = {
536 { "test", TRUE, NONE, op2(I,E), 0 },
537 { "test", TRUE, NONE, op2(I,E), 0 },
538 { "not", TRUE, NONE, op1(E), 0 },
539 { "neg", TRUE, NONE, op1(E), 0 },
540 { "mul", TRUE, NONE, op2(E,A), 0 },
541 { "imul", TRUE, NONE, op2(E,A), 0 },
542 { "div", TRUE, NONE, op2(E,A), 0 },
543 { "idiv", TRUE, NONE, op2(E,A), 0 },
544 };
545
546 static const struct inst db_Grp4[] = {
547 { "inc", TRUE, BYTE, op1(E), 0 },
548 { "dec", TRUE, BYTE, op1(E), 0 },
549 { "", TRUE, NONE, 0, 0 },
550 { "", TRUE, NONE, 0, 0 },
551 { "", TRUE, NONE, 0, 0 },
552 { "", TRUE, NONE, 0, 0 },
553 { "", TRUE, NONE, 0, 0 },
554 { "", TRUE, NONE, 0, 0 }
555 };
556
557 static const struct inst db_Grp5[] = {
558 { "inc", TRUE, LONG, op1(E), 0 },
559 { "dec", TRUE, LONG, op1(E), 0 },
560 { "call", TRUE, LONG, op1(Eind),0 },
561 { "lcall", TRUE, LONG, op1(Eind),0 },
562 { "jmp", TRUE, LONG, op1(Eind),0 },
563 { "ljmp", TRUE, LONG, op1(Eind),0 },
564 { "push", TRUE, LONG, op1(E), 0 },
565 { "", TRUE, NONE, 0, 0 }
566 };
567
568 static const struct inst db_inst_table[256] = {
569 /*00*/ { "add", TRUE, BYTE, op2(R, E), 0 },
570 /*01*/ { "add", TRUE, LONG, op2(R, E), 0 },
571 /*02*/ { "add", TRUE, BYTE, op2(E, R), 0 },
572 /*03*/ { "add", TRUE, LONG, op2(E, R), 0 },
573 /*04*/ { "add", FALSE, BYTE, op2(I, A), 0 },
574 /*05*/ { "add", FALSE, LONG, op2(Is, A), 0 },
575 /*06*/ { "push", FALSE, NONE, op1(Si), 0 },
576 /*07*/ { "pop", FALSE, NONE, op1(Si), 0 },
577
578 /*08*/ { "or", TRUE, BYTE, op2(R, E), 0 },
579 /*09*/ { "or", TRUE, LONG, op2(R, E), 0 },
580 /*0a*/ { "or", TRUE, BYTE, op2(E, R), 0 },
581 /*0b*/ { "or", TRUE, LONG, op2(E, R), 0 },
582 /*0c*/ { "or", FALSE, BYTE, op2(I, A), 0 },
583 /*0d*/ { "or", FALSE, LONG, op2(I, A), 0 },
584 /*0e*/ { "push", FALSE, NONE, op1(Si), 0 },
585 /*0f*/ { "", FALSE, NONE, 0, 0 },
586
587 /*10*/ { "adc", TRUE, BYTE, op2(R, E), 0 },
588 /*11*/ { "adc", TRUE, LONG, op2(R, E), 0 },
589 /*12*/ { "adc", TRUE, BYTE, op2(E, R), 0 },
590 /*13*/ { "adc", TRUE, LONG, op2(E, R), 0 },
591 /*14*/ { "adc", FALSE, BYTE, op2(I, A), 0 },
592 /*15*/ { "adc", FALSE, LONG, op2(Is, A), 0 },
593 /*16*/ { "push", FALSE, NONE, op1(Si), 0 },
594 /*17*/ { "pop", FALSE, NONE, op1(Si), 0 },
595
596 /*18*/ { "sbb", TRUE, BYTE, op2(R, E), 0 },
597 /*19*/ { "sbb", TRUE, LONG, op2(R, E), 0 },
598 /*1a*/ { "sbb", TRUE, BYTE, op2(E, R), 0 },
599 /*1b*/ { "sbb", TRUE, LONG, op2(E, R), 0 },
600 /*1c*/ { "sbb", FALSE, BYTE, op2(I, A), 0 },
601 /*1d*/ { "sbb", FALSE, LONG, op2(Is, A), 0 },
602 /*1e*/ { "push", FALSE, NONE, op1(Si), 0 },
603 /*1f*/ { "pop", FALSE, NONE, op1(Si), 0 },
604
605 /*20*/ { "and", TRUE, BYTE, op2(R, E), 0 },
606 /*21*/ { "and", TRUE, LONG, op2(R, E), 0 },
607 /*22*/ { "and", TRUE, BYTE, op2(E, R), 0 },
608 /*23*/ { "and", TRUE, LONG, op2(E, R), 0 },
609 /*24*/ { "and", FALSE, BYTE, op2(I, A), 0 },
610 /*25*/ { "and", FALSE, LONG, op2(I, A), 0 },
611 /*26*/ { "", FALSE, NONE, 0, 0 },
612 /*27*/ { "daa", FALSE, NONE, 0, 0 },
613
614 /*28*/ { "sub", TRUE, BYTE, op2(R, E), 0 },
615 /*29*/ { "sub", TRUE, LONG, op2(R, E), 0 },
616 /*2a*/ { "sub", TRUE, BYTE, op2(E, R), 0 },
617 /*2b*/ { "sub", TRUE, LONG, op2(E, R), 0 },
618 /*2c*/ { "sub", FALSE, BYTE, op2(I, A), 0 },
619 /*2d*/ { "sub", FALSE, LONG, op2(Is, A), 0 },
620 /*2e*/ { "", FALSE, NONE, 0, 0 },
621 /*2f*/ { "das", FALSE, NONE, 0, 0 },
622
623 /*30*/ { "xor", TRUE, BYTE, op2(R, E), 0 },
624 /*31*/ { "xor", TRUE, LONG, op2(R, E), 0 },
625 /*32*/ { "xor", TRUE, BYTE, op2(E, R), 0 },
626 /*33*/ { "xor", TRUE, LONG, op2(E, R), 0 },
627 /*34*/ { "xor", FALSE, BYTE, op2(I, A), 0 },
628 /*35*/ { "xor", FALSE, LONG, op2(I, A), 0 },
629 /*36*/ { "", FALSE, NONE, 0, 0 },
630 /*37*/ { "aaa", FALSE, NONE, 0, 0 },
631
632 /*38*/ { "cmp", TRUE, BYTE, op2(R, E), 0 },
633 /*39*/ { "cmp", TRUE, LONG, op2(R, E), 0 },
634 /*3a*/ { "cmp", TRUE, BYTE, op2(E, R), 0 },
635 /*3b*/ { "cmp", TRUE, LONG, op2(E, R), 0 },
636 /*3c*/ { "cmp", FALSE, BYTE, op2(I, A), 0 },
637 /*3d*/ { "cmp", FALSE, LONG, op2(Is, A), 0 },
638 /*3e*/ { "", FALSE, NONE, 0, 0 },
639 /*3f*/ { "aas", FALSE, NONE, 0, 0 },
640
641 /*40*/ { "rex", FALSE, NONE, 0, 0 },
642 /*41*/ { "rex.b", FALSE, NONE, 0, 0 },
643 /*42*/ { "rex.x", FALSE, NONE, 0, 0 },
644 /*43*/ { "rex.xb", FALSE, NONE, 0, 0 },
645 /*44*/ { "rex.r", FALSE, NONE, 0, 0 },
646 /*45*/ { "rex.rb", FALSE, NONE, 0, 0 },
647 /*46*/ { "rex.rx", FALSE, NONE, 0, 0 },
648 /*47*/ { "rex.rxb", FALSE, NONE, 0, 0 },
649
650 /*48*/ { "rex.w", FALSE, NONE, 0, 0 },
651 /*49*/ { "rex.wb", FALSE, NONE, 0, 0 },
652 /*4a*/ { "rex.wx", FALSE, NONE, 0, 0 },
653 /*4b*/ { "rex.wxb", FALSE, NONE, 0, 0 },
654 /*4c*/ { "rex.wr", FALSE, NONE, 0, 0 },
655 /*4d*/ { "rex.wrb", FALSE, NONE, 0, 0 },
656 /*4e*/ { "rex.wrx", FALSE, NONE, 0, 0 },
657 /*4f*/ { "rex.wrxb", FALSE, NONE, 0, 0 },
658
659 /*50*/ { "push", FALSE, LONG, op1(Ri), 0 },
660 /*51*/ { "push", FALSE, LONG, op1(Ri), 0 },
661 /*52*/ { "push", FALSE, LONG, op1(Ri), 0 },
662 /*53*/ { "push", FALSE, LONG, op1(Ri), 0 },
663 /*54*/ { "push", FALSE, LONG, op1(Ri), 0 },
664 /*55*/ { "push", FALSE, LONG, op1(Ri), 0 },
665 /*56*/ { "push", FALSE, LONG, op1(Ri), 0 },
666 /*57*/ { "push", FALSE, LONG, op1(Ri), 0 },
667
668 /*58*/ { "pop", FALSE, LONG, op1(Ri), 0 },
669 /*59*/ { "pop", FALSE, LONG, op1(Ri), 0 },
670 /*5a*/ { "pop", FALSE, LONG, op1(Ri), 0 },
671 /*5b*/ { "pop", FALSE, LONG, op1(Ri), 0 },
672 /*5c*/ { "pop", FALSE, LONG, op1(Ri), 0 },
673 /*5d*/ { "pop", FALSE, LONG, op1(Ri), 0 },
674 /*5e*/ { "pop", FALSE, LONG, op1(Ri), 0 },
675 /*5f*/ { "pop", FALSE, LONG, op1(Ri), 0 },
676
677 /*60*/ { "pusha", FALSE, LONG, 0, 0 },
678 /*61*/ { "popa", FALSE, LONG, 0, 0 },
679 /*62*/ { "bound", TRUE, LONG, op2(E, R), 0 },
680 /*63*/ { "movslq", TRUE, NONE, op2(EL,R), 0 },
681
682 /*64*/ { "", FALSE, NONE, 0, 0 },
683 /*65*/ { "", FALSE, NONE, 0, 0 },
684 /*66*/ { "", FALSE, NONE, 0, 0 },
685 /*67*/ { "", FALSE, NONE, 0, 0 },
686
687 /*68*/ { "push", FALSE, LONG, op1(I), 0 },
688 /*69*/ { "imul", TRUE, LONG, op3(I,E,R), 0 },
689 /*6a*/ { "push", FALSE, LONG, op1(Ibs), 0 },
690 /*6b*/ { "imul", TRUE, LONG, op3(Ibs,E,R),0 },
691 /*6c*/ { "ins", FALSE, BYTE, op2(DX, DI), 0 },
692 /*6d*/ { "ins", FALSE, LONG, op2(DX, DI), 0 },
693 /*6e*/ { "outs", FALSE, BYTE, op2(SI, DX), 0 },
694 /*6f*/ { "outs", FALSE, LONG, op2(SI, DX), 0 },
695
696 /*70*/ { "jo", FALSE, NONE, op1(Db), 0 },
697 /*71*/ { "jno", FALSE, NONE, op1(Db), 0 },
698 /*72*/ { "jb", FALSE, NONE, op1(Db), 0 },
699 /*73*/ { "jnb", FALSE, NONE, op1(Db), 0 },
700 /*74*/ { "jz", FALSE, NONE, op1(Db), 0 },
701 /*75*/ { "jnz", FALSE, NONE, op1(Db), 0 },
702 /*76*/ { "jbe", FALSE, NONE, op1(Db), 0 },
703 /*77*/ { "jnbe", FALSE, NONE, op1(Db), 0 },
704
705 /*78*/ { "js", FALSE, NONE, op1(Db), 0 },
706 /*79*/ { "jns", FALSE, NONE, op1(Db), 0 },
707 /*7a*/ { "jp", FALSE, NONE, op1(Db), 0 },
708 /*7b*/ { "jnp", FALSE, NONE, op1(Db), 0 },
709 /*7c*/ { "jl", FALSE, NONE, op1(Db), 0 },
710 /*7d*/ { "jnl", FALSE, NONE, op1(Db), 0 },
711 /*7e*/ { "jle", FALSE, NONE, op1(Db), 0 },
712 /*7f*/ { "jnle", FALSE, NONE, op1(Db), 0 },
713
714 /*80*/ { "", TRUE, BYTE, op2(I, E), db_Grp1 },
715 /*81*/ { "", TRUE, LONG, op2(I, E), db_Grp1 },
716 /*82*/ { "", TRUE, BYTE, op2(I, E), db_Grp1 },
717 /*83*/ { "", TRUE, LONG, op2(Ibs,E), db_Grp1 },
718 /*84*/ { "test", TRUE, BYTE, op2(R, E), 0 },
719 /*85*/ { "test", TRUE, LONG, op2(R, E), 0 },
720 /*86*/ { "xchg", TRUE, BYTE, op2(R, E), 0 },
721 /*87*/ { "xchg", TRUE, LONG, op2(R, E), 0 },
722
723 /*88*/ { "mov", TRUE, BYTE, op2(R, E), 0 },
724 /*89*/ { "mov", TRUE, LONG, op2(R, E), 0 },
725 /*8a*/ { "mov", TRUE, BYTE, op2(E, R), 0 },
726 /*8b*/ { "mov", TRUE, LONG, op2(E, R), 0 },
727 /*8c*/ { "mov", TRUE, NONE, op2(S, Ew), 0 },
728 /*8d*/ { "lea", TRUE, LONG, op2(E, R), 0 },
729 /*8e*/ { "mov", TRUE, NONE, op2(Ew, S), 0 },
730 /*8f*/ { "pop", TRUE, LONG, op1(E), 0 },
731
732 /*90*/ { "nop", FALSE, NONE, 0, 0 },
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