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disasm.c
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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/*
28 * Instruction disassembler.
29 */
30
31#include <stdbool.h>
32#include <stdint.h>
33#include <string.h>
34
35#include <sys/kassert.h>
36#include <sys/kdebug.h>
37
38/*
39 * Missing from headers
40 */
41#define DB_STGY_ANY 0
42#define DB_STGY_XTRN 1
43#define DB_STGY_PROC 2
44#define TRUE 1
45#define FALSE 0
46
47/*
48 * Size attributes
49 */
50#define BYTE 0
51#define WORD 1
52#define LONG 2
53#define QUAD 3
54#define SNGL 4
55#define DBLR 5
56#define EXTR 6
57#define SDEP 7
58#define ADEP 8
59#define ESC 9
60#define NONE 10
61
62/*
63 * REX prefix and bits
64 */
65#define REX_B 1
66#define REX_X 2
67#define REX_R 4
68#define REX_W 8
69#define REX 0x40
70
71/*
72 * Addressing modes
73 */
74#define E 1 /* general effective address */
75#define Eind 2 /* indirect address (jump, call) */
76#define Ew 3 /* address, word size */
77#define Eb 4 /* address, byte size */
78#define R 5 /* register, in 'reg' field */
79#define Rw 6 /* word register, in 'reg' field */
80#define Rq 39 /* quad register, in 'reg' field */
81#define Ri 7 /* register in instruction */
82#define S 8 /* segment reg, in 'reg' field */
83#define Si 9 /* segment reg, in instruction */
84#define A 10 /* accumulator */
85#define BX 11 /* (bx) */
86#define CL 12 /* cl, for shifts */
87#define DX 13 /* dx, for IO */
88#define SI 14 /* si */
89#define DI 15 /* di */
90#define CR 16 /* control register */
91#define DR 17 /* debug register */
92#define TR 18 /* test register */
93#define I 19 /* immediate, unsigned */
94#define Is 20 /* immediate, signed */
95#define Ib 21 /* byte immediate, unsigned */
96#define Ibs 22 /* byte immediate, signed */
97#define Iw 23 /* word immediate, unsigned */
98#define Ilq 24 /* long/quad immediate, unsigned */
99#define O 25 /* direct address */
100#define Db 26 /* byte displacement from EIP */
101#define Dl 27 /* long displacement from EIP */
102#define o1 28 /* constant 1 */
103#define o3 29 /* constant 3 */
104#define OS 30 /* immediate offset/segment */
105#define ST 31 /* FP stack top */
106#define STI 32 /* FP stack */
107#define X 33 /* extended FP op */
108#define XA 34 /* for 'fstcw %ax' */
109#define El 35 /* address, long/quad size */
110#define Ril 36 /* long register in instruction */
111#define Iba 37 /* byte immediate, don't print if 0xa */
112#define EL 38 /* address, explicitly long size */
113
114struct inst {
115 const char * i_name; /* name */
116 short i_has_modrm; /* has regmodrm byte */
117 short i_size; /* operand size */
118 int i_mode; /* addressing modes */
119 const void * i_extra; /* pointer to extra opcode table */
120};
121
122#define op1(x) (x)
123#define op2(x,y) ((x)|((y)<<8))
124#define op3(x,y,z) ((x)|((y)<<8)|((z)<<16))
125
126struct finst {
127 const char * f_name; /* name for memory instruction */
128 int f_size; /* size for memory instruction */
129 int f_rrmode; /* mode for rr instruction */
130 const void * f_rrname; /* name for rr instruction
131 (or pointer to table) */
132};
133
134static const struct inst db_inst_0f388x[] = {
135/*80*/ { "", TRUE, SDEP, op2(E, Rq), "invept" },
136/*81*/ { "", TRUE, SDEP, op2(E, Rq), "invvpid" },
137/*82*/ { "", TRUE, SDEP, op2(E, Rq), "invpcid" },
138/*83*/ { "", FALSE, NONE, 0, 0 },
139/*84*/ { "", FALSE, NONE, 0, 0 },
140/*85*/ { "", FALSE, NONE, 0, 0 },
141/*86*/ { "", FALSE, NONE, 0, 0 },
142/*87*/ { "", FALSE, NONE, 0, 0 },
143
144/*88*/ { "", FALSE, NONE, 0, 0 },
145/*89*/ { "", FALSE, NONE, 0, 0 },
146/*8a*/ { "", FALSE, NONE, 0, 0 },
147/*8b*/ { "", FALSE, NONE, 0, 0 },
148/*8c*/ { "", FALSE, NONE, 0, 0 },
149/*8d*/ { "", FALSE, NONE, 0, 0 },
150/*8e*/ { "", FALSE, NONE, 0, 0 },
151/*8f*/ { "", FALSE, NONE, 0, 0 },
152};
153
154static const struct inst * const db_inst_0f38[] = {
155 0,
156 0,
157 0,
158 0,
159 0,
160 0,
161 0,
162 0,
163 db_inst_0f388x,
164 0,
165 0,
166 0,
167 0,
168 0,
169 0,
170 0
171};
172
173static const char * const db_Grp6[] = {
174 "sldt",
175 "str",
176 "lldt",
177 "ltr",
178 "verr",
179 "verw",
180 "",
181 ""
182};
183
184static const char * const db_Grp7[] = {
185 "sgdt",
186 "sidt",
187 "lgdt",
188 "lidt",
189 "smsw",
190 "",
191 "lmsw",
192 "invlpg"
193};
194
195static const char * const db_Grp8[] = {
196 "",
197 "",
198 "",
199 "",
200 "bt",
201 "bts",
202 "btr",
203 "btc"
204};
205
206static const char * const db_Grp9[] = {
207 "",
208 "cmpxchg8b",
209 "",
210 "",
211 "",
212 "",
213 "vmptrld",
214 "vmptrst"
215};
216
217static const char * const db_Grp15[] = {
218 "fxsave",
219 "fxrstor",
220 "ldmxcsr",
221 "stmxcsr",
222 "xsave",
223 "xrstor",
224 "xsaveopt",
225 "clflush"
226};
227
228static const char * const db_Grp15b[] = {
229 "",
230 "",
231 "",
232 "",
233 "",
234 "lfence",
235 "mfence",
236 "sfence"
237};
238
239static const struct inst db_inst_0f0x[] = {
240/*00*/ { "", TRUE, NONE, op1(Ew), db_Grp6 },
241/*01*/ { "", TRUE, NONE, op1(Ew), db_Grp7 },
242/*02*/ { "lar", TRUE, LONG, op2(E,R), 0 },
243/*03*/ { "lsl", TRUE, LONG, op2(E,R), 0 },
244/*04*/ { "", FALSE, NONE, 0, 0 },
245/*05*/ { "syscall",FALSE,NONE, 0, 0 },
246/*06*/ { "clts", FALSE, NONE, 0, 0 },
247/*07*/ { "sysret",FALSE, NONE, 0, 0 },
248
249/*08*/ { "invd", FALSE, NONE, 0, 0 },
250/*09*/ { "wbinvd",FALSE, NONE, 0, 0 },
251/*0a*/ { "", FALSE, NONE, 0, 0 },
252/*0b*/ { "", FALSE, NONE, 0, 0 },
253/*0c*/ { "", FALSE, NONE, 0, 0 },
254/*0d*/ { "", FALSE, NONE, 0, 0 },
255/*0e*/ { "", FALSE, NONE, 0, 0 },
256/*0f*/ { "", FALSE, NONE, 0, 0 },
257};
258
259static const struct inst db_inst_0f2x[] = {
260/*20*/ { "mov", TRUE, LONG, op2(CR,El), 0 },
261/*21*/ { "mov", TRUE, LONG, op2(DR,El), 0 },
262/*22*/ { "mov", TRUE, LONG, op2(El,CR), 0 },
263/*23*/ { "mov", TRUE, LONG, op2(El,DR), 0 },
264/*24*/ { "mov", TRUE, LONG, op2(TR,El), 0 },
265/*25*/ { "", FALSE, NONE, 0, 0 },
266/*26*/ { "mov", TRUE, LONG, op2(El,TR), 0 },
267/*27*/ { "", FALSE, NONE, 0, 0 },
268
269/*28*/ { "", FALSE, NONE, 0, 0 },
270/*29*/ { "", FALSE, NONE, 0, 0 },
271/*2a*/ { "", FALSE, NONE, 0, 0 },
272/*2b*/ { "", FALSE, NONE, 0, 0 },
273/*2c*/ { "", FALSE, NONE, 0, 0 },
274/*2d*/ { "", FALSE, NONE, 0, 0 },
275/*2e*/ { "", FALSE, NONE, 0, 0 },
276/*2f*/ { "", FALSE, NONE, 0, 0 },
277};
278
279static const struct inst db_inst_0f3x[] = {
280/*30*/ { "wrmsr", FALSE, NONE, 0, 0 },
281/*31*/ { "rdtsc", FALSE, NONE, 0, 0 },
282/*32*/ { "rdmsr", FALSE, NONE, 0, 0 },
283/*33*/ { "rdpmc", FALSE, NONE, 0, 0 },
284/*34*/ { "sysenter",FALSE,NONE, 0, 0 },
285/*35*/ { "sysexit",FALSE,NONE, 0, 0 },
286/*36*/ { "", FALSE, NONE, 0, 0 },
287/*37*/ { "getsec",FALSE, NONE, 0, 0 },
288
289/*38*/ { "", FALSE, ESC, 0, db_inst_0f38 },
290/*39*/ { "", FALSE, NONE, 0, 0 },
291/*3a*/ { "", FALSE, NONE, 0, 0 },
292/*3b*/ { "", FALSE, NONE, 0, 0 },
293/*3c*/ { "", FALSE, NONE, 0, 0 },
294/*3d*/ { "", FALSE, NONE, 0, 0 },
295/*3e*/ { "", FALSE, NONE, 0, 0 },
296/*3f*/ { "", FALSE, NONE, 0, 0 },
297};
298
299static const struct inst db_inst_0f4x[] = {
300/*40*/ { "cmovo", TRUE, NONE, op2(E, R), 0 },
301/*41*/ { "cmovno", TRUE, NONE, op2(E, R), 0 },
302/*42*/ { "cmovb", TRUE, NONE, op2(E, R), 0 },
303/*43*/ { "cmovnb", TRUE, NONE, op2(E, R), 0 },
304/*44*/ { "cmovz", TRUE, NONE, op2(E, R), 0 },
305/*45*/ { "cmovnz", TRUE, NONE, op2(E, R), 0 },
306/*46*/ { "cmovbe", TRUE, NONE, op2(E, R), 0 },
307/*47*/ { "cmovnbe",TRUE, NONE, op2(E, R), 0 },
308
309/*48*/ { "cmovs", TRUE, NONE, op2(E, R), 0 },
310/*49*/ { "cmovns", TRUE, NONE, op2(E, R), 0 },
311/*4a*/ { "cmovp", TRUE, NONE, op2(E, R), 0 },
312/*4b*/ { "cmovnp", TRUE, NONE, op2(E, R), 0 },
313/*4c*/ { "cmovl", TRUE, NONE, op2(E, R), 0 },
314/*4d*/ { "cmovnl", TRUE, NONE, op2(E, R), 0 },
315/*4e*/ { "cmovle", TRUE, NONE, op2(E, R), 0 },
316/*4f*/ { "cmovnle",TRUE, NONE, op2(E, R), 0 },
317};
318
319static const struct inst db_inst_0f7x[] = {
320/*70*/ { "", FALSE, NONE, 0, 0 },
321/*71*/ { "", FALSE, NONE, 0, 0 },
322/*72*/ { "", FALSE, NONE, 0, 0 },
323/*73*/ { "", FALSE, NONE, 0, 0 },
324/*74*/ { "", FALSE, NONE, 0, 0 },
325/*75*/ { "", FALSE, NONE, 0, 0 },
326/*76*/ { "", FALSE, NONE, 0, 0 },
327/*77*/ { "", FALSE, NONE, 0, 0 },
328
329/*78*/ { "vmread", TRUE, NONE, op2(Rq, E), 0 },
330/*79*/ { "vmwrite",TRUE, NONE, op2(E, Rq), 0 },
331/*7a*/ { "", FALSE, NONE, 0, 0 },
332/*7b*/ { "", FALSE, NONE, 0, 0 },
333/*7c*/ { "", FALSE, NONE, 0, 0 },
334/*7d*/ { "", FALSE, NONE, 0, 0 },
335/*7e*/ { "", FALSE, NONE, 0, 0 },
336/*7f*/ { "", FALSE, NONE, 0, 0 },
337};
338
339static const struct inst db_inst_0f8x[] = {
340/*80*/ { "jo", FALSE, NONE, op1(Dl), 0 },
341/*81*/ { "jno", FALSE, NONE, op1(Dl), 0 },
342/*82*/ { "jb", FALSE, NONE, op1(Dl), 0 },
343/*83*/ { "jnb", FALSE, NONE, op1(Dl), 0 },
344/*84*/ { "jz", FALSE, NONE, op1(Dl), 0 },
345/*85*/ { "jnz", FALSE, NONE, op1(Dl), 0 },
346/*86*/ { "jbe", FALSE, NONE, op1(Dl), 0 },
347/*87*/ { "jnbe", FALSE, NONE, op1(Dl), 0 },
348
349/*88*/ { "js", FALSE, NONE, op1(Dl), 0 },
350/*89*/ { "jns", FALSE, NONE, op1(Dl), 0 },
351/*8a*/ { "jp", FALSE, NONE, op1(Dl), 0 },
352/*8b*/ { "jnp", FALSE, NONE, op1(Dl), 0 },
353/*8c*/ { "jl", FALSE, NONE, op1(Dl), 0 },
354/*8d*/ { "jnl", FALSE, NONE, op1(Dl), 0 },
355/*8e*/ { "jle", FALSE, NONE, op1(Dl), 0 },
356/*8f*/ { "jnle", FALSE, NONE, op1(Dl), 0 },
357};
358
359static const struct inst db_inst_0f9x[] = {
360/*90*/ { "seto", TRUE, NONE, op1(Eb), 0 },
361/*91*/ { "setno", TRUE, NONE, op1(Eb), 0 },
362/*92*/ { "setb", TRUE, NONE, op1(Eb), 0 },
363/*93*/ { "setnb", TRUE, NONE, op1(Eb), 0 },
364/*94*/ { "setz", TRUE, NONE, op1(Eb), 0 },
365/*95*/ { "setnz", TRUE, NONE, op1(Eb), 0 },
366/*96*/ { "setbe", TRUE, NONE, op1(Eb), 0 },
367/*97*/ { "setnbe",TRUE, NONE, op1(Eb), 0 },
368
369/*98*/ { "sets", TRUE, NONE, op1(Eb), 0 },
370/*99*/ { "setns", TRUE, NONE, op1(Eb), 0 },
371/*9a*/ { "setp", TRUE, NONE, op1(Eb), 0 },
372/*9b*/ { "setnp", TRUE, NONE, op1(Eb), 0 },
373/*9c*/ { "setl", TRUE, NONE, op1(Eb), 0 },
374/*9d*/ { "setnl", TRUE, NONE, op1(Eb), 0 },
375/*9e*/ { "setle", TRUE, NONE, op1(Eb), 0 },
376/*9f*/ { "setnle",TRUE, NONE, op1(Eb), 0 },
377};
378
379static const struct inst db_inst_0fax[] = {
380/*a0*/ { "push", FALSE, NONE, op1(Si), 0 },
381/*a1*/ { "pop", FALSE, NONE, op1(Si), 0 },
382/*a2*/ { "cpuid", FALSE, NONE, 0, 0 },
383/*a3*/ { "bt", TRUE, LONG, op2(R,E), 0 },
384/*a4*/ { "shld", TRUE, LONG, op3(Ib,R,E), 0 },
385/*a5*/ { "shld", TRUE, LONG, op3(CL,R,E), 0 },
386/*a6*/ { "", FALSE, NONE, 0, 0 },
387/*a7*/ { "", FALSE, NONE, 0, 0 },
388
389/*a8*/ { "push", FALSE, NONE, op1(Si), 0 },
390/*a9*/ { "pop", FALSE, NONE, op1(Si), 0 },
391/*aa*/ { "rsm", FALSE, NONE, 0, 0 },
392/*ab*/ { "bts", TRUE, LONG, op2(R,E), 0 },
393/*ac*/ { "shrd", TRUE, LONG, op3(Ib,R,E), 0 },
394/*ad*/ { "shrd", TRUE, LONG, op3(CL,R,E), 0 },
395/*ae*/ { "", TRUE, LONG, op1(E), db_Grp15 },
396/*af*/ { "imul", TRUE, LONG, op2(E,R), 0 },
397};
398
399static const struct inst db_inst_0fbx[] = {
400/*b0*/ { "cmpxchg",TRUE, BYTE, op2(R, E), 0 },
401/*b0*/ { "cmpxchg",TRUE, LONG, op2(R, E), 0 },
402/*b2*/ { "lss", TRUE, LONG, op2(E, R), 0 },
403/*b3*/ { "btr", TRUE, LONG, op2(R, E), 0 },
404/*b4*/ { "lfs", TRUE, LONG, op2(E, R), 0 },
405/*b5*/ { "lgs", TRUE, LONG, op2(E, R), 0 },
406/*b6*/ { "movzb", TRUE, LONG, op2(Eb, R), 0 },
407/*b7*/ { "movzw", TRUE, LONG, op2(Ew, R), 0 },
408
409/*b8*/ { "", FALSE, NONE, 0, 0 },
410/*b9*/ { "", FALSE, NONE, 0, 0 },
411/*ba*/ { "", TRUE, LONG, op2(Ib, E), db_Grp8 },
412/*bb*/ { "btc", TRUE, LONG, op2(R, E), 0 },
413/*bc*/ { "bsf", TRUE, LONG, op2(E, R), 0 },
414/*bd*/ { "bsr", TRUE, LONG, op2(E, R), 0 },
415/*be*/ { "movsb", TRUE, LONG, op2(Eb, R), 0 },
416/*bf*/ { "movsw", TRUE, LONG, op2(Ew, R), 0 },
417};
418
419static const struct inst db_inst_0fcx[] = {
420/*c0*/ { "xadd", TRUE, BYTE, op2(R, E), 0 },
421/*c1*/ { "xadd", TRUE, LONG, op2(R, E), 0 },
422/*c2*/ { "", FALSE, NONE, 0, 0 },
423/*c3*/ { "", FALSE, NONE, 0, 0 },
424/*c4*/ { "", FALSE, NONE, 0, 0 },
425/*c5*/ { "", FALSE, NONE, 0, 0 },
426/*c6*/ { "", FALSE, NONE, 0, 0 },
427/*c7*/ { "", TRUE, NONE, op1(E), db_Grp9 },
428/*c8*/ { "bswap", FALSE, LONG, op1(Ril), 0 },
429/*c9*/ { "bswap", FALSE, LONG, op1(Ril), 0 },
430/*ca*/ { "bswap", FALSE, LONG, op1(Ril), 0 },
431/*cb*/ { "bswap", FALSE, LONG, op1(Ril), 0 },
432/*cc*/ { "bswap", FALSE, LONG, op1(Ril), 0 },
433/*cd*/ { "bswap", FALSE, LONG, op1(Ril), 0 },
434/*ce*/ { "bswap", FALSE, LONG, op1(Ril), 0 },
435/*cf*/ { "bswap", FALSE, LONG, op1(Ril), 0 },
436};
437
438static const struct inst * const db_inst_0f[] = {
439 db_inst_0f0x,
440 0,
441 db_inst_0f2x,
442 db_inst_0f3x,
443 db_inst_0f4x,
444 0,
445 0,
446 db_inst_0f7x,
447 db_inst_0f8x,
448 db_inst_0f9x,
449 db_inst_0fax,
450 db_inst_0fbx,
451 db_inst_0fcx,
452 0,
453 0,
454 0
455};
456
457static const char * const db_Esc92[] = {
458 "fnop", "", "", "", "", "", "", ""
459};
460static const char * const db_Esc94[] = {
461 "fchs", "fabs", "", "", "ftst", "fxam", "", ""
462};
463static const char * const db_Esc95[] = {
464 "fld1", "fldl2t","fldl2e","fldpi","fldlg2","fldln2","fldz",""
465};
466static const char * const db_Esc96[] = {
467 "f2xm1","fyl2x","fptan","fpatan","fxtract","fprem1","fdecstp",
468 "fincstp"
469};
470static const char * const db_Esc97[] = {
471 "fprem","fyl2xp1","fsqrt","fsincos","frndint","fscale","fsin","fcos"
472};
473
474static const char * const db_Esca5[] = {
475 "", "fucompp","", "", "", "", "", ""
476};
477
478static const char * const db_Escb4[] = {
479 "fneni","fndisi", "fnclex","fninit","fsetpm", "", "", ""
480};
481
482static const char * const db_Esce3[] = {
483 "", "fcompp","", "", "", "", "", ""
484};
485
486static const char * const db_Escf4[] = {
487 "fnstsw","", "", "", "", "", "", ""
488};
489
490static const struct finst db_Esc8[] = {
491/*0*/ { "fadd", SNGL, op2(STI,ST), 0 },
492/*1*/ { "fmul", SNGL, op2(STI,ST), 0 },
493/*2*/ { "fcom", SNGL, op2(STI,ST), 0 },
494/*3*/ { "fcomp", SNGL, op2(STI,ST), 0 },
495/*4*/ { "fsub", SNGL, op2(STI,ST), 0 },
496/*5*/ { "fsubr", SNGL, op2(STI,ST), 0 },
497/*6*/ { "fdiv", SNGL, op2(STI,ST), 0 },
498/*7*/ { "fdivr", SNGL, op2(STI,ST), 0 },
499};
500
501static const struct finst db_Esc9[] = {
502/*0*/ { "fld", SNGL, op1(STI), 0 },
503/*1*/ { "", NONE, op1(STI), "fxch" },
504/*2*/ { "fst", SNGL, op1(X), db_Esc92 },
505/*3*/ { "fstp", SNGL, 0, 0 },
506/*4*/ { "fldenv", NONE, op1(X), db_Esc94 },
507/*5*/ { "fldcw", NONE, op1(X), db_Esc95 },
508/*6*/ { "fnstenv",NONE, op1(X), db_Esc96 },
509/*7*/ { "fnstcw", NONE, op1(X), db_Esc97 },
510};
511
512static const struct finst db_Esca[] = {
513/*0*/ { "fiadd", LONG, 0, 0 },
514/*1*/ { "fimul", LONG, 0, 0 },
515/*2*/ { "ficom", LONG, 0, 0 },
516/*3*/ { "ficomp", LONG, 0, 0 },
517/*4*/ { "fisub", LONG, 0, 0 },
518/*5*/ { "fisubr", LONG, op1(X), db_Esca5 },
519/*6*/ { "fidiv", LONG, 0, 0 },
520/*7*/ { "fidivr", LONG, 0, 0 }
521};
522
523static const struct finst db_Escb[] = {
524/*0*/ { "fild", LONG, 0, 0 },
525/*1*/ { "", NONE, 0, 0 },
526/*2*/ { "fist", LONG, 0, 0 },
527/*3*/ { "fistp", LONG, 0, 0 },
528/*4*/ { "", WORD, op1(X), db_Escb4 },
529/*5*/ { "fld", EXTR, 0, 0 },
530/*6*/ { "", WORD, 0, 0 },
531/*7*/ { "fstp", EXTR, 0, 0 },
532};
533
534static const struct finst db_Escc[] = {
535/*0*/ { "fadd", DBLR, op2(ST,STI), 0 },
536/*1*/ { "fmul", DBLR, op2(ST,STI), 0 },
537/*2*/ { "fcom", DBLR, 0, 0 },
538/*3*/ { "fcomp", DBLR, 0, 0 },
539/*4*/ { "fsub", DBLR, op2(ST,STI), "fsubr" },
540/*5*/ { "fsubr", DBLR, op2(ST,STI), "fsub" },
541/*6*/ { "fdiv", DBLR, op2(ST,STI), "fdivr" },
542/*7*/ { "fdivr", DBLR, op2(ST,STI), "fdiv" },
543};
544
545static const struct finst db_Escd[] = {
546/*0*/ { "fld", DBLR, op1(STI), "ffree" },
547/*1*/ { "", NONE, 0, 0 },
548/*2*/ { "fst", DBLR, op1(STI), 0 },
549/*3*/ { "fstp", DBLR, op1(STI), 0 },
550/*4*/ { "frstor", NONE, op1(STI), "fucom" },
551/*5*/ { "", NONE, op1(STI), "fucomp" },
552/*6*/ { "fnsave", NONE, 0, 0 },
553/*7*/ { "fnstsw", NONE, 0, 0 },
554};
555
556static const struct finst db_Esce[] = {
557/*0*/ { "fiadd", WORD, op2(ST,STI), "faddp" },
558/*1*/ { "fimul", WORD, op2(ST,STI), "fmulp" },
559/*2*/ { "ficom", WORD, 0, 0 },
560/*3*/ { "ficomp", WORD, op1(X), db_Esce3 },
561/*4*/ { "fisub", WORD, op2(ST,STI), "fsubrp" },
562/*5*/ { "fisubr", WORD, op2(ST,STI), "fsubp" },
563/*6*/ { "fidiv", WORD, op2(ST,STI), "fdivrp" },
564/*7*/ { "fidivr", WORD, op2(ST,STI), "fdivp" },
565};
566
567static const struct finst db_Escf[] = {
568/*0*/ { "fild", WORD, 0, 0 },
569/*1*/ { "", NONE, 0, 0 },
570/*2*/ { "fist", WORD, 0, 0 },
571/*3*/ { "fistp", WORD, 0, 0 },
572/*4*/ { "fbld", NONE, op1(XA), db_Escf4 },
573/*5*/ { "fild", QUAD, 0, 0 },
574/*6*/ { "fbstp", NONE, 0, 0 },
575/*7*/ { "fistp", QUAD, 0, 0 },
576};
577
578static const struct finst * const db_Esc_inst[] = {
579 db_Esc8, db_Esc9, db_Esca, db_Escb,
580 db_Escc, db_Escd, db_Esce, db_Escf
581};
582
583static const char * const db_Grp1[] = {
584 "add",
585 "or",
586 "adc",
587 "sbb",
588 "and",
589 "sub",
590 "xor",
591 "cmp"
592};
593
594static const char * const db_Grp2[] = {
595 "rol",
596 "ror",
597 "rcl",
598 "rcr",
599 "shl",
600 "shr",
601 "shl",
602 "sar"
603};
604
605static const struct inst db_Grp3[] = {
606 { "test", TRUE, NONE, op2(I,E), 0 },
607 { "test", TRUE, NONE, op2(I,E), 0 },
608 { "not", TRUE, NONE, op1(E), 0 },
609 { "neg", TRUE, NONE, op1(E), 0 },
610 { "mul", TRUE, NONE, op2(E,A), 0 },
611 { "imul", TRUE, NONE, op2(E,A), 0 },
612 { "div", TRUE, NONE, op2(E,A), 0 },
613 { "idiv", TRUE, NONE, op2(E,A), 0 },
614};
615
616static const struct inst db_Grp4[] = {
617 { "inc", TRUE, BYTE, op1(E), 0 },
618 { "dec", TRUE, BYTE, op1(E), 0 },
619 { "", TRUE, NONE, 0, 0 },
620 { "", TRUE, NONE, 0, 0 },
621 { "", TRUE, NONE, 0, 0 },
622 { "", TRUE, NONE, 0, 0 },
623 { "", TRUE, NONE, 0, 0 },
624 { "", TRUE, NONE, 0, 0 }
625};
626
627static const struct inst db_Grp5[] = {
628 { "inc", TRUE, LONG, op1(E), 0 },
629 { "dec", TRUE, LONG, op1(E), 0 },
630 { "call", TRUE, LONG, op1(Eind),0 },
631 { "lcall", TRUE, LONG, op1(Eind),0 },
632 { "jmp", TRUE, LONG, op1(Eind),0 },
633 { "ljmp", TRUE, LONG, op1(Eind),0 },
634 { "push", TRUE, LONG, op1(E), 0 },
635 { "", TRUE, NONE, 0, 0 }
636};
637
638static const struct inst db_inst_table[256] = {
639/*00*/ { "add", TRUE, BYTE, op2(R, E), 0 },
640/*01*/ { "add", TRUE, LONG, op2(R, E), 0 },
641/*02*/ { "add", TRUE, BYTE, op2(E, R), 0 },
642/*03*/ { "add", TRUE, LONG, op2(E, R), 0 },
643/*04*/ { "add", FALSE, BYTE, op2(I, A), 0 },
644/*05*/ { "add", FALSE, LONG, op2(Is, A), 0 },
645/*06*/ { "push", FALSE, NONE, op1(Si), 0 },
646/*07*/ { "pop", FALSE, NONE, op1(Si), 0 },
647
648/*08*/ { "or", TRUE, BYTE, op2(R, E), 0 },
649/*09*/ { "or", TRUE, LONG, op2(R, E), 0 },
650/*0a*/ { "or", TRUE, BYTE, op2(E, R), 0 },
651/*0b*/ { "or", TRUE, LONG, op2(E, R), 0 },
652/*0c*/ { "or", FALSE, BYTE, op2(I, A), 0 },
653/*0d*/ { "or", FALSE, LONG, op2(I, A), 0 },
654/*0e*/ { "push", FALSE, NONE, op1(Si), 0 },
655/*0f*/ { "", FALSE, ESC, 0, db_inst_0f },
656
657/*10*/ { "adc", TRUE, BYTE, op2(R, E), 0 },
658/*11*/ { "adc", TRUE, LONG, op2(R, E), 0 },
659/*12*/ { "adc", TRUE, BYTE, op2(E, R), 0 },
660/*13*/ { "adc", TRUE, LONG, op2(E, R), 0 },
661/*14*/ { "adc", FALSE, BYTE, op2(I, A), 0 },
662/*15*/ { "adc", FALSE, LONG, op2(Is, A), 0 },
663/*16*/ { "push", FALSE, NONE, op1(Si), 0 },
664/*17*/ { "pop", FALSE, NONE, op1(Si), 0 },
665
666/*18*/ { "sbb", TRUE, BYTE, op2(R, E), 0 },
667/*19*/ { "sbb", TRUE, LONG, op2(R, E), 0 },
668/*1a*/ { "sbb", TRUE, BYTE, op2(E, R), 0 },
669/*1b*/ { "sbb", TRUE, LONG, op2(E, R), 0 },
670/*1c*/ { "sbb", FALSE, BYTE, op2(I, A), 0 },
671/*1d*/ { "sbb", FALSE, LONG, op2(Is, A), 0 },
672/*1e*/ { "push", FALSE, NONE, op1(Si), 0 },
673/*1f*/ { "pop", FALSE, NONE, op1(Si), 0 },
674
675/*20*/ { "and", TRUE, BYTE, op2(R, E), 0 },
676/*21*/ { "and", TRUE, LONG, op2(R, E), 0 },
677/*22*/ { "and", TRUE, BYTE, op2(E, R), 0 },
678/*23*/ { "and", TRUE, LONG, op2(E, R), 0 },
679/*24*/ { "and", FALSE, BYTE, op2(I, A), 0 },
680/*25*/ { "and", FALSE, LONG, op2(I, A), 0 },
681/*26*/ { "", FALSE, NONE, 0, 0 },
682/*27*/ { "daa", FALSE, NONE, 0, 0 },
683
684/*28*/ { "sub", TRUE, BYTE, op2(R, E), 0 },
685/*29*/ { "sub", TRUE, LONG, op2(R, E), 0 },
686/*2a*/ { "sub", TRUE, BYTE, op2(E, R), 0 },
687/*2b*/ { "sub", TRUE, LONG, op2(E, R), 0 },
688/*2c*/ { "sub", FALSE, BYTE, op2(I, A), 0 },
689/*2d*/ { "sub", FALSE, LONG, op2(Is, A), 0 },
690/*2e*/ { "", FALSE, NONE, 0, 0 },
691/*2f*/ { "das", FALSE, NONE, 0, 0 },
692
693/*30*/ { "xor", TRUE, BYTE, op2(R, E), 0 },
694/*31*/ { "xor", TRUE, LONG, op2(R, E), 0 },
695/*32*/ { "xor", TRUE, BYTE, op2(E, R), 0 },
696/*33*/ { "xor", TRUE, LONG, op2(E, R), 0 },
697/*34*/ { "xor", FALSE, BYTE, op2(I, A), 0 },
698/*35*/ { "xor", FALSE, LONG, op2(I, A), 0 },
699/*36*/ { "", FALSE, NONE, 0, 0 },
700/*37*/ { "aaa", FALSE, NONE, 0, 0 },
701
702/*38*/ { "cmp", TRUE, BYTE, op2(R, E), 0 },
703/*39*/ { "cmp", TRUE, LONG, op2(R, E), 0 },
704/*3a*/ { "cmp", TRUE, BYTE, op2(E, R), 0 },
705/*3b*/ { "cmp", TRUE, LONG, op2(E, R), 0 },
706/*3c*/ { "cmp", FALSE, BYTE, op2(I, A), 0 },
707/*3d*/ { "cmp", FALSE, LONG, op2(Is, A), 0 },
708/*3e*/ { "", FALSE, NONE, 0, 0 },
709/*3f*/ { "aas", FALSE, NONE, 0, 0 },
710
711/*40*/ { "rex", FALSE, NONE, 0, 0 },
712/*41*/ { "rex.b", FALSE, NONE, 0, 0 },
713/*42*/ { "rex.x", FALSE, NONE, 0, 0 },
714/*43*/ { "rex.xb", FALSE, NONE, 0, 0 },
715/*44*/ { "rex.r", FALSE, NONE, 0, 0 },
716/*45*/ { "rex.rb", FALSE, NONE, 0, 0 },
717/*46*/ { "rex.rx", FALSE, NONE, 0, 0 },
718/*47*/ { "rex.rxb", FALSE, NONE, 0, 0 },
719
720/*48*/ { "rex.w", FALSE, NONE, 0, 0 },
721/*49*/ { "rex.wb", FALSE, NONE, 0, 0 },
722/*4a*/ { "rex.wx", FALSE, NONE, 0, 0 },
723/*4b*/ { "rex.wxb", FALSE, NONE, 0, 0 },
724/*4c*/ { "rex.wr", FALSE, NONE, 0, 0 },
725/*4d*/ { "rex.wrb", FALSE, NONE, 0, 0 },
726/*4e*/ { "rex.wrx", FALSE, NONE, 0, 0 },
727/*4f*/ { "rex.wrxb", FALSE, NONE, 0, 0 },
728
729/*50*/ { "push", FALSE, LONG, op1(Ri), 0 },
730/*51*/ { "push", FALSE, LONG, op1(Ri), 0 },
731/*52*/ { "push", FALSE, LONG, op1(Ri), 0 },
732/*53*/ { "push", FALSE, LONG, op1(Ri), 0 },
733/*54*/ { "push", FALSE, LONG, op1(Ri), 0 },
734/*55*/ { "push", FALSE, LONG, op1(Ri), 0 },
735/*56*/ { "push", FALSE, LONG, op1(Ri), 0 },
736/*57*/ { "push", FALSE, LONG, op1(Ri), 0 },
737
738/*58*/ { "pop", FALSE, LONG, op1(Ri), 0 },
739/*59*/ { "pop", FALSE, LONG, op1(Ri), 0 },
740/*5a*/ { "pop", FALSE, LONG, op1(Ri), 0 },
741/*5b*/ { "pop", FALSE, LONG, op1(Ri), 0 },
742/*5c*/ { "pop", FALSE, LONG, op1(Ri), 0 },
743/*5d*/ { "pop", FALSE, LONG, op1(Ri), 0 },
744/*5e*/ { "pop", FALSE, LONG, op1(Ri), 0 },
745/*5f*/ { "pop", FALSE, LONG, op1(Ri), 0 },
746
747/*60*/ { "pusha", FALSE, LONG, 0, 0 },
748/*61*/ { "popa", FALSE, LONG, 0, 0 },
749/*62*/ { "bound", TRUE, LONG, op2(E, R), 0 },
750/*63*/ { "movslq", TRUE, NONE, op2(EL,R), 0 },
751
752/*64*/ { "", FALSE, NONE, 0, 0 },
753/*65*/ { "", FALSE, NONE, 0, 0 },
754/*66*/ { "", FALSE, NONE, 0, 0 },
755/*67*/ { "", FALSE, NONE, 0, 0 },
756
757/*68*/ { "push", FALSE, LONG, op1(I), 0 },
758/*69*/ { "imul", TRUE, LONG, op3(I,E,R), 0 },
759/*6a*/ { "push", FALSE, LONG, op1(Ibs), 0 },
760/*6b*/ { "imul", TRUE, LONG, op3(Ibs,E,R),0 },
761/*6c*/ { "ins", FALSE, BYTE, op2(DX, DI), 0 },
762/*6d*/ { "ins", FALSE, LONG, op2(DX, DI), 0 },
763/*6e*/ { "outs", FALSE, BYTE, op2(SI, DX), 0 },
764/*6f*/ { "outs", FALSE, LONG, op2(SI, DX), 0 },
765
766/*70*/ { "jo", FALSE, NONE, op1(Db), 0 },
767/*71*/ { "jno", FALSE, NONE, op1(Db), 0 },
768/*72*/ { "jb", FALSE, NONE, op1(Db), 0 },
769/*73*/ { "jnb", FALSE, NONE, op1(Db), 0 },
770/*74*/ { "jz", FALSE, NONE, op1(Db), 0 },
771/*75*/ { "jnz", FALSE, NONE, op1(Db), 0 },
772/*76*/ { "jbe", FALSE, NONE, op1(Db), 0 },
773/*77*/ { "jnbe", FALSE, NONE, op1(Db), 0 },
774
775/*78*/ { "js", FALSE, NONE, op1(Db), 0 },
776/*79*/ { "jns", FALSE, NONE, op1(Db), 0 },
777/*7a*/ { "jp", FALSE, NONE, op1(Db), 0 },
778/*7b*/ { "jnp", FALSE, NONE, op1(Db), 0 },
779/*7c*/ { "jl", FALSE, NONE, op1(Db), 0 },
780/*7d*/ { "jnl", FALSE, NONE, op1(Db), 0 },
781/*7e*/ { "jle", FALSE, NONE, op1(Db), 0 },
782/*7f*/ { "jnle", FALSE, NONE, op1(Db), 0 },
783
784/*80*/ { "", TRUE, BYTE, op2(I, E), db_Grp1 },
785/*81*/ { "", TRUE, LONG, op2(I, E), db_Grp1 },
786/*82*/ { "", TRUE, BYTE, op2(I, E), db_Grp1 },
787/*83*/ { "", TRUE, LONG, op2(Ibs,E), db_Grp1 },
788/*84*/ { "test", TRUE, BYTE, op2(R, E), 0 },
789/*85*/ { "test", TRUE, LONG, op2(R, E), 0 },
790/*86*/ { "xchg", TRUE, BYTE, op2(R, E), 0 },
791/*87*/ { "xchg", TRUE, LONG, op2(R, E), 0 },
792
793/*88*/ { "mov", TRUE, BYTE, op2(R, E), 0 },
794/*89*/ { "mov", TRUE, LONG, op2(R, E), 0 },
795/*8a*/ { "mov", TRUE, BYTE, op2(E, R), 0 },
796/*8b*/ { "mov", TRUE, LONG, op2(E, R), 0 },
797/*8c*/ { "mov", TRUE, NONE, op2(S, Ew), 0 },
798/*8d*/ { "lea", TRUE, LONG, op2(E, R), 0 },
799/*8e*/ { "mov", TRUE, NONE, op2(Ew, S), 0 },
800/*8f*/ { "pop", TRUE, LONG, op1(E), 0 },
801
802/*90*/ { "nop", FALSE, NONE, 0, 0 },
803/*91*/ { "xchg", FALSE, LONG, op2(A, Ri), 0 },
804/*92*/ { "xchg", FALSE, LONG, op2(A, Ri), 0 },
805/*93*/ { "xchg", FALSE, LONG, op2(A, Ri), 0 },
806/*94*/ { "xchg", FALSE, LONG, op2(A, Ri), 0 },
807/*95*/ { "xchg", FALSE, LONG, op2(A, Ri), 0 },
808/*96*/ { "xchg", FALSE, LONG, op2(A, Ri), 0 },
809/*97*/ { "xchg", FALSE, LONG, op2(A, Ri), 0 },
810
811/*98*/ { "cwde", FALSE, SDEP, 0, "cbw" },
812/*99*/ { "cdq", FALSE, SDEP, 0, "cwd" },
813/*9a*/ { "lcall", FALSE, NONE, op1(OS), 0 },
814/*9b*/ { "wait", FALSE, NONE, 0, 0 },
815/*9c*/ { "pushf", FALSE, LONG, 0, 0 },
816/*9d*/ { "popf", FALSE, LONG, 0, 0 },
817/*9e*/ { "sahf", FALSE, NONE, 0, 0 },
818/*9f*/ { "lahf", FALSE, NONE, 0, 0 },
819
820/*a0*/ { "mov", FALSE, BYTE, op2(O, A), 0 },
821/*a1*/ { "mov", FALSE, LONG, op2(O, A), 0 },
822/*a2*/ { "mov", FALSE, BYTE, op2(A, O), 0 },
823/*a3*/ { "mov", FALSE, LONG, op2(A, O), 0 },
824/*a4*/ { "movs", FALSE, BYTE, op2(SI,DI), 0 },
825/*a5*/ { "movs", FALSE, LONG, op2(SI,DI), 0 },
826/*a6*/ { "cmps", FALSE, BYTE, op2(SI,DI), 0 },
827/*a7*/ { "cmps", FALSE, LONG, op2(SI,DI), 0 },
828
829/*a8*/ { "test", FALSE, BYTE, op2(I, A), 0 },
830/*a9*/ { "test", FALSE, LONG, op2(I, A), 0 },
831/*aa*/ { "stos", FALSE, BYTE, op1(DI), 0 },
832/*ab*/ { "stos", FALSE, LONG, op1(DI), 0 },
833/*ac*/ { "lods", FALSE, BYTE, op1(SI), 0 },
834/*ad*/ { "lods", FALSE, LONG, op1(SI), 0 },
835/*ae*/ { "scas", FALSE, BYTE, op1(SI), 0 },
836/*af*/ { "scas", FALSE, LONG, op1(SI), 0 },
837
838/*b0*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 },
839/*b1*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 },
840/*b2*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 },
841/*b3*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 },
842/*b4*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 },
843/*b5*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 },
844/*b6*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 },
845/*b7*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 },
846
847/*b8*/ { "mov", FALSE, LONG, op2(Ilq, Ri), 0 },
848/*b9*/ { "mov", FALSE, LONG, op2(Ilq, Ri), 0 },
849/*ba*/ { "mov", FALSE, LONG, op2(Ilq, Ri), 0 },
850/*bb*/ { "mov", FALSE, LONG, op2(Ilq, Ri), 0 },
851/*bc*/ { "mov", FALSE, LONG, op2(Ilq, Ri), 0 },
852/*bd*/ { "mov", FALSE, LONG, op2(Ilq, Ri), 0 },
853/*be*/ { "mov", FALSE, LONG, op2(Ilq, Ri), 0 },
854/*bf*/ { "mov", FALSE, LONG, op2(Ilq, Ri), 0 },
855
856/*c0*/ { "", TRUE, BYTE, op2(Ib, E), db_Grp2 },
857/*c1*/ { "", TRUE, LONG, op2(Ib, E), db_Grp2 },
858/*c2*/ { "ret", FALSE, NONE, op1(Iw), 0 },
859/*c3*/ { "ret", FALSE, NONE, 0, 0 },
860/*c4*/ { "les", TRUE, LONG, op2(E, R), 0 },
861/*c5*/ { "lds", TRUE, LONG, op2(E, R), 0 },
862/*c6*/ { "mov", TRUE, BYTE, op2(I, E), 0 },
863/*c7*/ { "mov", TRUE, LONG, op2(I, E), 0 },
864
865/*c8*/ { "enter", FALSE, NONE, op2(Iw, Ib), 0 },
866/*c9*/ { "leave", FALSE, NONE, 0, 0 },
867/*ca*/ { "lret", FALSE, NONE, op1(Iw), 0 },
868/*cb*/ { "lret", FALSE, NONE, 0, 0 },
869/*cc*/ { "int", FALSE, NONE, op1(o3), 0 },
870/*cd*/ { "int", FALSE, NONE, op1(Ib), 0 },
871/*ce*/ { "into", FALSE, NONE, 0, 0 },
872/*cf*/ { "iret", FALSE, NONE, 0, 0 },
873
874/*d0*/ { "", TRUE, BYTE, op2(o1, E), db_Grp2 },
875/*d1*/ { "", TRUE, LONG, op2(o1, E), db_Grp2 },
876/*d2*/ { "", TRUE, BYTE, op2(CL, E), db_Grp2 },
877/*d3*/ { "", TRUE, LONG, op2(CL, E), db_Grp2 },
878/*d4*/ { "aam", FALSE, NONE, op1(Iba), 0 },
879/*d5*/ { "aad", FALSE, NONE, op1(Iba), 0 },
880/*d6*/ { ".byte\t0xd6", FALSE, NONE, 0, 0 },
881/*d7*/ { "xlat", FALSE, BYTE, op1(BX), 0 },
882
883/*d8*/ { "", TRUE, NONE, 0, db_Esc8 },
884/*d9*/ { "", TRUE, NONE, 0, db_Esc9 },
885/*da*/ { "", TRUE, NONE, 0, db_Esca },
886/*db*/ { "", TRUE, NONE, 0, db_Escb },
887/*dc*/ { "", TRUE, NONE, 0, db_Escc },
888/*dd*/ { "", TRUE, NONE, 0, db_Escd },
889/*de*/ { "", TRUE, NONE, 0, db_Esce },
890/*df*/ { "", TRUE, NONE, 0, db_Escf },
891
892/*e0*/ { "loopne",FALSE, NONE, op1(Db), 0 },
893/*e1*/ { "loope", FALSE, NONE, op1(Db), 0 },
894/*e2*/ { "loop", FALSE, NONE, op1(Db), 0 },
895/*e3*/ { "jrcxz", FALSE, ADEP, op1(Db), "jecxz" },
896/*e4*/ { "in", FALSE, BYTE, op2(Ib, A), 0 },
897/*e5*/ { "in", FALSE, LONG, op2(Ib, A) , 0 },
898/*e6*/ { "out", FALSE, BYTE, op2(A, Ib), 0 },
899/*e7*/ { "out", FALSE, LONG, op2(A, Ib) , 0 },
900
901/*e8*/ { "call", FALSE, NONE, op1(Dl), 0 },
902/*e9*/ { "jmp", FALSE, NONE, op1(Dl), 0 },
903/*ea*/ { "ljmp", FALSE, NONE, op1(OS), 0 },
904/*eb*/ { "jmp", FALSE, NONE, op1(Db), 0 },
905/*ec*/ { "in", FALSE, BYTE, op2(DX, A), 0 },
906/*ed*/ { "in", FALSE, LONG, op2(DX, A) , 0 },
907/*ee*/ { "out", FALSE, BYTE, op2(A, DX), 0 },
908/*ef*/ { "out", FALSE, LONG, op2(A, DX) , 0 },
909
910/*f0*/ { "", FALSE, NONE, 0, 0 },
911/*f1*/ { ".byte\t0xf1", FALSE, NONE, 0, 0 },
912/*f2*/ { "", FALSE, NONE, 0, 0 },
913/*f3*/ { "", FALSE, NONE, 0, 0 },
914/*f4*/ { "hlt", FALSE, NONE, 0, 0 },
915/*f5*/ { "cmc", FALSE, NONE, 0, 0 },
916/*f6*/ { "", TRUE, BYTE, 0, db_Grp3 },
917/*f7*/ { "", TRUE, LONG, 0, db_Grp3 },
918
919/*f8*/ { "clc", FALSE, NONE, 0, 0 },
920/*f9*/ { "stc", FALSE, NONE, 0, 0 },
921/*fa*/ { "cli", FALSE, NONE, 0, 0 },
922/*fb*/ { "sti", FALSE, NONE, 0, 0 },
923/*fc*/ { "cld", FALSE, NONE, 0, 0 },
924/*fd*/ { "std", FALSE, NONE, 0, 0 },
925/*fe*/ { "", TRUE, NONE, 0, db_Grp4 },
926/*ff*/ { "", TRUE, NONE, 0, db_Grp5 },
927};
928
929static const struct inst db_bad_inst =
930 { "???", FALSE, NONE, 0, 0 }
931;
932
933#define f_mod(rex, byte) ((byte)>>6)
934#define f_reg(rex, byte) ((((byte)>>3)&0x7) | (rex & REX_R ? 0x8 : 0x0))
935#define f_rm(rex, byte) (((byte)&0x7) | (rex & REX_B ? 0x8 : 0x0))
936
937#define sib_ss(rex, byte) ((byte)>>6)
938#define sib_index(rex, byte) ((((byte)>>3)&0x7) | (rex & REX_X ? 0x8 : 0x0))
939#define sib_base(rex, byte) (((byte)&0x7) | (rex & REX_B ? 0x8 : 0x0))
940
941struct i_addr {
942 int is_reg; /* if reg, reg number is in 'disp' */
943 int disp;
944 const char * base;
945 const char * index;
946 int ss;
947};
948
949static const char * const db_reg[2][4][16] = {
950
951 {{"%al", "%cl", "%dl", "%bl", "%ah", "%ch", "%dh", "%bh",
952 "%r8b", "%r9b", "%r10b", "%r11b", "%r12b", "%r13b", "%r14b", "%r15b" },
953 { "%ax", "%cx", "%dx", "%bx", "%sp", "%bp", "%si", "%di",
954 "%r8w", "%r9w", "%r10w", "%r11w", "%r12w", "%r13w", "%r14w", "%r15w" },
955 { "%eax", "%ecx", "%edx", "%ebx", "%esp", "%ebp", "%esi", "%edi",
956 "%r8d", "%r9d", "%r10d", "%r11d", "%r12d", "%r13d", "%r14d", "%r15d" },
957 { "%rax", "%rcx", "%rdx", "%rbx", "%rsp", "%rbp", "%rsi", "%rdi",
958 "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15" }},
959
960 {{"%al", "%cl", "%dl", "%bl", "%spl", "%bpl", "%sil", "%dil",
961 "%r8b", "%r9b", "%r10b", "%r11b", "%r12b", "%r13b", "%r14b", "%r15b" },
962 { "%ax", "%cx", "%dx", "%bx", "%sp", "%bp", "%si", "%di",
963 "%r8w", "%r9w", "%r10w", "%r11w", "%r12w", "%r13w", "%r14w", "%r15w" },
964 { "%eax", "%ecx", "%edx", "%ebx", "%esp", "%ebp", "%esi", "%edi",
965 "%r8d", "%r9d", "%r10d", "%r11d", "%r12d", "%r13d", "%r14d", "%r15d" },
966 { "%rax", "%rcx", "%rdx", "%rbx", "%rsp", "%rbp", "%rsi", "%rdi",
967 "%r8", "%r9", "%r10", "%r11", "%r12", "%r13", "%r14", "%r15" }}
968};
969
970static const char * const db_seg_reg[8] = {
971 "%es", "%cs", "%ss", "%ds", "%fs", "%gs", "", ""
972};
973
974/*
975 * lengths for size attributes
976 */
977static const int db_lengths[] = {
978 1, /* BYTE */
979 2, /* WORD */
980 4, /* LONG */
981 8, /* QUAD */
982 4, /* SNGL */
983 8, /* DBLR */
984 10, /* EXTR */
985};
986
987#define get_value_inc(result, loc, size, is_signed) \
988 result = Debug_GetValue((loc), (size), (is_signed)); \
989 (loc) += (size);
990
991static uintptr_t
992 db_disasm_esc(uintptr_t loc, int inst, int rex, int short_addr,
993 int size, const char *seg);
994static void db_print_address(const char *seg, int size, int rex,
995 struct i_addr *addrp);
996static uintptr_t
997 db_read_address(uintptr_t loc, int short_addr, int rex, int regmodrm,
998 struct i_addr *addrp);
999
1000/*
1001 * Read address at location and return updated location.
1002 */
1003static uintptr_t
1004db_read_address(uintptr_t loc, int short_addr, int rex, int regmodrm, struct i_addr *addrp)
1005{
1006 int mod, rm, sib, index, disp, size, have_sib;
1007
1008 mod = f_mod(rex, regmodrm);
1009 rm = f_rm(rex, regmodrm);
1010
1011 if (mod == 3) {
1012 addrp->is_reg = TRUE;
1013 addrp->disp = rm;
1014 return (loc);
1015 }
1016 addrp->is_reg = FALSE;
1017 addrp->index = 0;
1018
1019 if (short_addr)
1020 size = LONG;
1021 else
1022 size = QUAD;
1023
1024 if ((rm & 0x7) == 4) {
1025 get_value_inc(sib, loc, 1, FALSE);
1026 rm = sib_base(rex, sib);
1027 index = sib_index(rex, sib);
1028 if (index != 4)
1029 addrp->index = db_reg[1][size][index];
1030 addrp->ss = sib_ss(rex, sib);
1031 have_sib = 1;
1032 } else
1033 have_sib = 0;
1034
1035 switch (mod) {
1036 case 0:
1037 if (rm == 5) {
1038 get_value_inc(addrp->disp, loc, 4, FALSE);
1039 if (have_sib)
1040 addrp->base = 0;
1041 else if (short_addr)
1042 addrp->base = "%eip";
1043 else
1044 addrp->base = "%rip";
1045 } else {
1046 addrp->disp = 0;
1047 addrp->base = db_reg[1][size][rm];
1048 }
1049 break;
1050
1051 case 1:
1052 get_value_inc(disp, loc, 1, TRUE);
1053 addrp->disp = disp;
1054 addrp->base = db_reg[1][size][rm];
1055 break;
1056
1057 case 2:
1058 get_value_inc(disp, loc, 4, FALSE);
1059 addrp->disp = disp;
1060 addrp->base = db_reg[1][size][rm];
1061 break;
1062 }
1063 return (loc);
1064}
1065
1066static void
1067db_print_address(const char *seg, int size, int rex, struct i_addr *addrp)
1068{
1069 if (addrp->is_reg) {
1070 kprintf("%s", db_reg[rex != 0 ? 1 : 0][(size == LONG && (rex & REX_W)) ? QUAD : size][addrp->disp]);
1071 return;
1072 }
1073
1074 if (seg) {
1075 kprintf("%s:", seg);
1076 }
1077
1078 if (addrp->disp != 0 || (addrp->base == 0 && addrp->index == 0))
1079 Debug_PrintSymbol((uintptr_t)addrp->disp, DB_STGY_ANY);
1080 if (addrp->base != 0 || addrp->index != 0) {
1081 kprintf("(");
1082 if (addrp->base)
1083 kprintf("%s", addrp->base);
1084 if (addrp->index)
1085 kprintf(",%s,%d", addrp->index, 1<<addrp->ss);
1086 kprintf(")");
1087 }
1088}
1089
1090/*
1091 * Disassemble floating-point ("escape") instruction
1092 * and return updated location.
1093 */
1094static uintptr_t
1095db_disasm_esc(uintptr_t loc, int inst, int rex, int short_addr, int size, const char *seg)
1096{
1097 int regmodrm;
1098 const struct finst * fp;
1099 int mod;
1100 struct i_addr address;
1101 const char * name;
1102
1103 get_value_inc(regmodrm, loc, 1, FALSE);
1104 fp = &db_Esc_inst[inst - 0xd8][f_reg(rex, regmodrm)];
1105 mod = f_mod(rex, regmodrm);
1106 if (mod != 3) {
1107 if (*fp->f_name == '\0') {
1108 kprintf("<bad instruction>");
1109 return (loc);
1110 }
1111 /*
1112 * Normal address modes.
1113 */
1114 loc = db_read_address(loc, short_addr, rex, regmodrm, &address);
1115 kprintf("%s", fp->f_name);
1116 switch(fp->f_size) {
1117 case SNGL:
1118 kprintf("s");
1119 break;
1120 case DBLR:
1121 kprintf("l");
1122 break;
1123 case EXTR:
1124 kprintf("t");
1125 break;
1126 case WORD:
1127 kprintf("s");
1128 break;
1129 case LONG:
1130 kprintf("l");
1131 break;
1132 case QUAD:
1133 kprintf("q");
1134 break;
1135 default:
1136 break;
1137 }
1138 kprintf("\t");
1139 db_print_address(seg, BYTE, rex, &address);
1140 }
1141 else {
1142 /*
1143 * 'reg-reg' - special formats
1144 */
1145 switch (fp->f_rrmode) {
1146 case op2(ST,STI):
1147 name = (fp->f_rrname) ? fp->f_rrname : fp->f_name;
1148 kprintf("%s\t%%st,%%st(%d)",name,f_rm(rex, regmodrm));
1149 break;
1150 case op2(STI,ST):
1151 name = (fp->f_rrname) ? fp->f_rrname : fp->f_name;
1152 kprintf("%s\t%%st(%d),%%st",name, f_rm(rex, regmodrm));
1153 break;
1154 case op1(STI):
1155 name = (fp->f_rrname) ? fp->f_rrname : fp->f_name;
1156 kprintf("%s\t%%st(%d)",name, f_rm(rex, regmodrm));
1157 break;
1158 case op1(X):
1159 name = ((const char * const *)fp->f_rrname)[f_rm(rex, regmodrm)];
1160 if (*name == '\0')
1161 goto bad;
1162 kprintf("%s", name);
1163 break;
1164 case op1(XA):
1165 name = ((const char * const *)fp->f_rrname)[f_rm(rex, regmodrm)];
1166 if (*name == '\0')
1167 goto bad;
1168 kprintf("%s\t%%ax", name);
1169 break;
1170 default:
1171 bad:
1172 kprintf("<bad instruction>");
1173 break;
1174 }
1175 }
1176
1177 return (loc);
1178}
1179
1180/*
1181 * Disassemble instruction at 'loc'. 'altfmt' specifies an
1182 * (optional) alternate format. Return address of start of
1183 * next instruction.
1184 */
1185uintptr_t
1186db_disasm(uintptr_t loc, bool altfmt)
1187{
1188 int inst;
1189 int size;
1190 int short_addr;
1191 const char * seg;
1192 const struct inst * ip;
1193 const char * i_name;
1194 int i_size;
1195 int i_mode;
1196 int rex = 0;
1197 int regmodrm = 0;
1198 bool first;
1199 int displ;
1200 int prefix;
1201 int rep;
1202 int imm;
1203 int imm2;
1204 long imm64;
1205 int len;
1206 struct i_addr address;
1207
1208 get_value_inc(inst, loc, 1, FALSE);
1209 short_addr = FALSE;
1210 size = LONG;
1211 seg = 0;
1212
1213 /*
1214 * Get prefixes
1215 */
1216 rep = FALSE;
1217 prefix = TRUE;
1218 do {
1219 switch (inst) {
1220 case 0x66: /* data16 */
1221 size = WORD;
1222 break;
1223 case 0x67:
1224 short_addr = TRUE;
1225 break;
1226 case 0x26:
1227 seg = "%es";
1228 break;
1229 case 0x36:
1230 seg = "%ss";
1231 break;
1232 case 0x2e:
1233 seg = "%cs";
1234 break;
1235 case 0x3e:
1236 seg = "%ds";
1237 break;
1238 case 0x64:
1239 seg = "%fs";
1240 break;
1241 case 0x65:
1242 seg = "%gs";
1243 break;
1244 case 0xf0:
1245 kprintf("lock ");
1246 break;
1247 case 0xf2:
1248 kprintf("repne ");
1249 break;
1250 case 0xf3:
1251 rep = TRUE;
1252 break;
1253 default:
1254 prefix = FALSE;
1255 break;
1256 }
1257 if (inst >= 0x40 && inst < 0x50) {
1258 rex = inst;
1259 prefix = TRUE;
1260 }
1261 if (prefix) {
1262 get_value_inc(inst, loc, 1, FALSE);
1263 }
1264 } while (prefix);
1265
1266 if (inst >= 0xd8 && inst <= 0xdf) {
1267 loc = db_disasm_esc(loc, inst, rex, short_addr, size, seg);
1268 kprintf("\n");
1269 return (loc);
1270 }
1271
1272 ip = &db_inst_table[inst];
1273 while (ip->i_size == ESC) {
1274 get_value_inc(inst, loc, 1, FALSE);
1275 ip = ((const struct inst * const *)ip->i_extra)[inst>>4];
1276 if (ip == 0) {
1277 ip = &db_bad_inst;
1278 }
1279 else {
1280 ip = &ip[inst&0xf];
1281 }
1282 }
1283
1284 if (ip->i_has_modrm) {
1285 get_value_inc(regmodrm, loc, 1, FALSE);
1286 loc = db_read_address(loc, short_addr, rex, regmodrm, &address);
1287 }
1288
1289 i_name = ip->i_name;
1290 i_size = ip->i_size;
1291 i_mode = ip->i_mode;
1292
1293 if (ip->i_extra == db_Grp1 || ip->i_extra == db_Grp2 ||
1294 ip->i_extra == db_Grp6 || ip->i_extra == db_Grp7 ||
1295 ip->i_extra == db_Grp8 || ip->i_extra == db_Grp9 ||
1296 ip->i_extra == db_Grp15) {
1297 i_name = ((const char * const *)ip->i_extra)[f_reg(rex, regmodrm)];
1298 }
1299 else if (ip->i_extra == db_Grp3) {
1300 ip = ip->i_extra;
1301 ip = &ip[f_reg(rex, regmodrm)];
1302 i_name = ip->i_name;
1303 i_mode = ip->i_mode;
1304 }
1305 else if (ip->i_extra == db_Grp4 || ip->i_extra == db_Grp5) {
1306 ip = ip->i_extra;
1307 ip = &ip[f_reg(rex, regmodrm)];
1308 i_name = ip->i_name;
1309 i_mode = ip->i_mode;
1310 i_size = ip->i_size;
1311 }
1312
1313 /* Special cases that don't fit well in the tables. */
1314 if (ip->i_extra == db_Grp7 && f_mod(rex, regmodrm) == 3) {
1315 switch (regmodrm) {
1316 case 0xc1:
1317 i_name = "vmcall";
1318 i_size = NONE;
1319 i_mode = 0;
1320 break;
1321 case 0xc2:
1322 i_name = "vmlaunch";
1323 i_size = NONE;
1324 i_mode = 0;
1325 break;
1326 case 0xc3:
1327 i_name = "vmresume";
1328 i_size = NONE;
1329 i_mode = 0;
1330 break;
1331 case 0xc4:
1332 i_name = "vmxoff";
1333 i_size = NONE;
1334 i_mode = 0;
1335 break;
1336 case 0xc8:
1337 i_name = "monitor";
1338 i_size = NONE;
1339 i_mode = 0;
1340 break;
1341 case 0xc9:
1342 i_name = "mwait";
1343 i_size = NONE;
1344 i_mode = 0;
1345 break;
1346 case 0xd0:
1347 i_name = "xgetbv";
1348 i_size = NONE;
1349 i_mode = 0;
1350 break;
1351 case 0xd1:
1352 i_name = "xsetbv";
1353 i_size = NONE;
1354 i_mode = 0;
1355 break;
1356 case 0xf8:
1357 i_name = "swapgs";
1358 i_size = NONE;
1359 i_mode = 0;
1360 break;
1361 case 0xf9:
1362 i_name = "rdtscp";
1363 i_size = NONE;
1364 i_mode = 0;
1365 break;
1366 }
1367 }
1368 if (ip->i_extra == db_Grp15 && f_mod(rex, regmodrm) == 3) {
1369 i_name = db_Grp15b[f_reg(rex, regmodrm)];
1370 i_size = NONE;
1371 i_mode = 0;
1372 }
1373
1374 /* Handle instructions identified by mandatory prefixes. */
1375 if (rep == TRUE) {
1376 if (inst == 0x90) {
1377 i_name = "pause";
1378 i_size = NONE;
1379 i_mode = 0;
1380 rep = FALSE;
1381 } else if (ip->i_extra == db_Grp9 && f_mod(rex, regmodrm) != 3 &&
1382 f_reg(rex, regmodrm) == 0x6) {
1383 i_name = "vmxon";
1384 rep = FALSE;
1385 }
1386 }
1387 if (size == WORD) {
1388 if (ip->i_extra == db_Grp9 && f_mod(rex, regmodrm) != 3 &&
1389 f_reg(rex, regmodrm) == 0x6) {
1390 i_name = "vmclear";
1391 }
1392 }
1393 if (rex & REX_W) {
1394 if (strcmp(i_name, "cwde") == 0)
1395 i_name = "cdqe";
1396 else if (strcmp(i_name, "cmpxchg8b") == 0)
1397 i_name = "cmpxchg16b";
1398 }
1399
1400 if (rep == TRUE)
1401 kprintf("repe "); /* XXX repe VS rep */
1402
1403 if (i_size == SDEP) {
1404 if (size == LONG)
1405 kprintf("%s", i_name);
1406 else
1407 kprintf("%s", (const char *)ip->i_extra);
1408 } else if (i_size == ADEP) {
1409 if (short_addr == FALSE)
1410 kprintf("%s", i_name);
1411 else
1412 kprintf("%s", (const char *)ip->i_extra);
1413 }
1414 else {
1415 kprintf("%s", i_name);
1416 if ((inst >= 0x50 && inst <= 0x5f) || inst == 0x68 || inst == 0x6a) {
1417 i_size = NONE;
1418 kprintf("q");
1419 }
1420 if (i_size != NONE) {
1421 if (i_size == BYTE) {
1422 kprintf("b");
1423 size = BYTE;
1424 }
1425 else if (i_size == WORD) {
1426 kprintf("w");
1427 size = WORD;
1428 }
1429 else if (size == WORD)
1430 kprintf("w");
1431 else {
1432 if (rex & REX_W)
1433 kprintf("q");
1434 else
1435 kprintf("l");
1436 }
1437 }
1438 }
1439 kprintf("\t");
1440 for (first = TRUE;
1441 i_mode != 0;
1442 i_mode >>= 8, first = FALSE)
1443 {
1444 if (!first)
1445 kprintf(",");
1446
1447 switch (i_mode & 0xFF) {
1448
1449 case E:
1450 db_print_address(seg, size, rex, &address);
1451 break;
1452
1453 case Eind:
1454 kprintf("*");
1455 db_print_address(seg, size, rex, &address);
1456 break;
1457
1458 case El:
1459 db_print_address(seg, (rex & REX_W) ? QUAD : LONG, rex, &address);
1460 break;
1461
1462 case EL:
1463 db_print_address(seg, LONG, 0, &address);
1464 break;
1465
1466 case Ew:
1467 db_print_address(seg, WORD, rex, &address);
1468 break;
1469
1470 case Eb:
1471 db_print_address(seg, BYTE, rex, &address);
1472 break;
1473
1474 case R:
1475 kprintf("%s", db_reg[rex != 0 ? 1 : 0][(size == LONG && (rex & REX_W)) ? QUAD : size][f_reg(rex, regmodrm)]);
1476 break;
1477
1478 case Rw:
1479 kprintf("%s", db_reg[rex != 0 ? 1 : 0][WORD][f_reg(rex, regmodrm)]);
1480 break;
1481
1482 case Rq:
1483 kprintf("%s", db_reg[rex != 0 ? 1 : 0][QUAD][f_reg(rex, regmodrm)]);
1484 break;
1485
1486 case Ri:
1487 kprintf("%s", db_reg[0][QUAD][f_rm(rex, inst)]);
1488 break;
1489
1490 case Ril:
1491 kprintf("%s", db_reg[rex != 0 ? 1 : 0][(rex & REX_R) ? QUAD : LONG][f_rm(rex, inst)]);
1492 break;
1493
1494 case S:
1495 kprintf("%s", db_seg_reg[f_reg(rex, regmodrm)]);
1496 break;
1497
1498 case Si:
1499 kprintf("%s", db_seg_reg[f_reg(rex, inst)]);
1500 break;
1501
1502 case A:
1503 kprintf("%s", db_reg[rex != 0 ? 1 : 0][size][0]); /* acc */
1504 break;
1505
1506 case BX:
1507 if (seg)
1508 kprintf("%s:", seg);
1509 kprintf("(%s)", short_addr ? "%bx" : "%ebx");
1510 break;
1511
1512 case CL:
1513 kprintf("%%cl");
1514 break;
1515
1516 case DX:
1517 kprintf("%%dx");
1518 break;
1519
1520 case SI:
1521 if (seg)
1522 kprintf("%s:", seg);
1523 kprintf("(%s)", short_addr ? "%si" : "%rsi");
1524 break;
1525
1526 case DI:
1527 kprintf("%%es:(%s)", short_addr ? "%di" : "%rdi");
1528 break;
1529
1530 case CR:
1531 kprintf("%%cr%d", f_reg(rex, regmodrm));
1532 break;
1533
1534 case DR:
1535 kprintf("%%dr%d", f_reg(rex, regmodrm));
1536 break;
1537
1538 case TR:
1539 kprintf("%%tr%d", f_reg(rex, regmodrm));
1540 break;
1541
1542 case I:
1543 len = db_lengths[size];
1544 get_value_inc(imm, loc, len, FALSE);
1545 kprintf("$%d", imm);
1546 break;
1547
1548 case Is:
1549 len = db_lengths[(size == LONG && (rex & REX_W)) ? QUAD : size];
1550 get_value_inc(imm, loc, len, FALSE);
1551 kprintf("$%d", imm);
1552 break;
1553
1554 case Ib:
1555 get_value_inc(imm, loc, 1, FALSE);
1556 kprintf("$%d", imm);
1557 break;
1558
1559 case Iba:
1560 get_value_inc(imm, loc, 1, FALSE);
1561 if (imm != 0x0a)
1562 kprintf("$%d", imm);
1563 break;
1564
1565 case Ibs:
1566 get_value_inc(imm, loc, 1, TRUE);
1567 if (size == WORD)
1568 imm &= 0xFFFF;
1569 kprintf("$%d", imm);
1570 break;
1571
1572 case Iw:
1573 get_value_inc(imm, loc, 2, FALSE);
1574 kprintf("$%d", imm);
1575 break;
1576
1577 case Ilq:
1578 len = db_lengths[rex & REX_W ? QUAD : LONG];
1579 get_value_inc(imm64, loc, len, FALSE);
1580 kprintf("$%#lr", imm64);
1581 break;
1582
1583 case O:
1584 len = (short_addr ? 2 : 4);
1585 get_value_inc(displ, loc, len, FALSE);
1586 if (seg)
1587 kprintf("%s:%d",seg, displ);
1588 else
1589 Debug_PrintSymbol((uintptr_t)displ, DB_STGY_ANY);
1590 break;
1591
1592 case Db:
1593 get_value_inc(displ, loc, 1, TRUE);
1594 displ += loc;
1595 if (size == WORD)
1596 displ &= 0xFFFF;
1597 Debug_PrintSymbol((uintptr_t)displ, DB_STGY_XTRN);
1598 break;
1599
1600 case Dl:
1601 len = db_lengths[(size == LONG && (rex & REX_W)) ? QUAD : size];
1602 get_value_inc(displ, loc, len, FALSE);
1603 displ += loc;
1604 if (size == WORD)
1605 displ &= 0xFFFF;
1606 Debug_PrintSymbol((uintptr_t)displ, DB_STGY_XTRN);
1607 break;
1608
1609 case o1:
1610 kprintf("$1");
1611 break;
1612
1613 case o3:
1614 kprintf("$3");
1615 break;
1616
1617 case OS:
1618 len = db_lengths[size];
1619 get_value_inc(imm, loc, len, FALSE); /* offset */
1620 get_value_inc(imm2, loc, 2, FALSE); /* segment */
1621 kprintf("$%d,%d", imm2, imm);
1622 break;
1623 }
1624 }
1625 kprintf("\n");
1626 return (loc);
1627}
E
#define E
Definition: disasm.c:74
db_inst_0f3x
static const struct inst db_inst_0f3x[]
Definition: disasm.c:279
db_Escc
static const struct finst db_Escc[]
Definition: disasm.c:534
Iw
#define Iw
Definition: disasm.c:97
BX
#define BX
Definition: disasm.c:85
db_disasm
uintptr_t db_disasm(uintptr_t loc, bool altfmt)
Definition: disasm.c:1186
STI
#define STI
Definition: disasm.c:106
ADEP
#define ADEP
Definition: disasm.c:58
db_inst_0f
static const struct inst *const db_inst_0f[]
Definition: disasm.c:438
sib_ss
#define sib_ss(rex, byte)
Definition: disasm.c:937
finst::f_rrname
const void * f_rrname
Definition: disasm.c:130
db_Esc8
static const struct finst db_Esc8[]
Definition: disasm.c:490
op3
#define op3(x, y, z)
Definition: disasm.c:124
X
#define X
Definition: disasm.c:107
db_Esc97
static const char *const db_Esc97[]
Definition: disasm.c:470
Ib
#define Ib
Definition: disasm.c:95
db_Grp1
static const char *const db_Grp1[]
Definition: disasm.c:583
REX_R
#define REX_R
Definition: disasm.c:67
Is
#define Is
Definition: disasm.c:94
db_reg
static const char *const db_reg[2][4][16]
Definition: disasm.c:949
XA
#define XA
Definition: disasm.c:108
OS
#define OS
Definition: disasm.c:104
DR
#define DR
Definition: disasm.c:91
sib_index
#define sib_index(rex, byte)
Definition: disasm.c:938
db_Escb4
static const char *const db_Escb4[]
Definition: disasm.c:478
O
#define O
Definition: disasm.c:99
DX
#define DX
Definition: disasm.c:87
EXTR
#define EXTR
Definition: disasm.c:56
inst::i_mode
int i_mode
Definition: disasm.c:118
db_Grp4
static const struct inst db_Grp4[]
Definition: disasm.c:616
db_inst_0f7x
static const struct inst db_inst_0f7x[]
Definition: disasm.c:319
db_print_address
static void db_print_address(const char *seg, int size, int rex, struct i_addr *addrp)
Definition: disasm.c:1067
db_Esc95
static const char *const db_Esc95[]
Definition: disasm.c:463
db_disasm_esc
static uintptr_t db_disasm_esc(uintptr_t loc, int inst, int rex, int short_addr, int size, const char *seg)
Definition: disasm.c:1095
db_Grp15
static const char *const db_Grp15[]
Definition: disasm.c:217
ESC
#define ESC
Definition: disasm.c:59
WORD
#define WORD
Definition: disasm.c:51
db_Esca
static const struct finst db_Esca[]
Definition: disasm.c:512
TR
#define TR
Definition: disasm.c:92
Db
#define Db
Definition: disasm.c:100
db_inst_table
static const struct inst db_inst_table[256]
Definition: disasm.c:638
finst::f_name
const char * f_name
Definition: disasm.c:127
inst::i_size
short i_size
Definition: disasm.c:117
db_Grp7
static const char *const db_Grp7[]
Definition: disasm.c:184
Ibs
#define Ibs
Definition: disasm.c:96
R
#define R
Definition: disasm.c:78
db_Grp5
static const struct inst db_Grp5[]
Definition: disasm.c:627
db_Grp15b
static const char *const db_Grp15b[]
Definition: disasm.c:228
I
#define I
Definition: disasm.c:93
db_inst_0f0x
static const struct inst db_inst_0f0x[]
Definition: disasm.c:239
db_Esce3
static const char *const db_Esce3[]
Definition: disasm.c:482
NONE
#define NONE
Definition: disasm.c:60
db_Grp2
static const char *const db_Grp2[]
Definition: disasm.c:594
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static const struct inst db_inst_0f9x[]
Definition: disasm.c:359
SDEP
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Definition: disasm.c:57
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Definition: disasm.c:935
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Definition: disasm.c:77
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Definition: disasm.c:41
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int f_rrmode
Definition: disasm.c:129
Ew
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Definition: disasm.c:76
El
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Definition: disasm.c:109
Ilq
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Definition: disasm.c:98
EL
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Definition: disasm.c:112
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static const struct finst db_Esce[]
Definition: disasm.c:556
REX_W
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Definition: disasm.c:68
Dl
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Definition: disasm.c:101
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static const char *const db_Grp8[]
Definition: disasm.c:195
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Definition: disasm.c:119
Si
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Definition: disasm.c:83
Eind
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Definition: disasm.c:75
CR
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Definition: disasm.c:90
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static const struct inst db_inst_0f4x[]
Definition: disasm.c:299
DBLR
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Definition: disasm.c:55
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static const char *const db_Esc94[]
Definition: disasm.c:460
Ri
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Definition: disasm.c:81
CL
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Definition: disasm.c:86
DB_STGY_XTRN
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Definition: disasm.c:42
inst::i_has_modrm
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Definition: disasm.c:116
A
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Definition: disasm.c:84
Rw
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Definition: disasm.c:79
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Definition: disasm.c:110
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Definition: disasm.c:123
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Definition: disasm.c:943
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static const struct inst db_inst_0fbx[]
Definition: disasm.c:399
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Definition: disasm.c:934
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Definition: disasm.c:88
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Definition: disasm.c:128
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Definition: disasm.c:933
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Definition: disasm.c:987
o3
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Definition: disasm.c:103
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static const struct finst db_Escb[]
Definition: disasm.c:523
TRUE
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Definition: disasm.c:44
FALSE
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Definition: disasm.c:45
SNGL
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Definition: disasm.c:54
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Definition: disasm.c:122
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static const struct finst db_Escf[]
Definition: disasm.c:567
ST
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Definition: disasm.c:105
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Definition: disasm.c:1004
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Definition: disasm.c:944
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Definition: disasm.c:977
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Definition: disasm.c:134
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Definition: disasm.c:53
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Definition: disasm.c:942
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Definition: disasm.c:115
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Definition: disasm.c:52
DI
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Definition: disasm.c:89
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static const char *const db_Esca5[]
Definition: disasm.c:474
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static const struct inst db_inst_0f8x[]
Definition: disasm.c:339
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Definition: disasm.c:80
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Definition: disasm.c:945
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Definition: disasm.c:578
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static const struct finst db_Esc9[]
Definition: disasm.c:501
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static const struct inst db_inst_0fax[]
Definition: disasm.c:379
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static const char *const db_seg_reg[8]
Definition: disasm.c:970
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static const struct inst db_Grp3[]
Definition: disasm.c:605
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Definition: disasm.c:939
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static const char *const db_Grp6[]
Definition: disasm.c:173
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static const struct inst db_inst_0f2x[]
Definition: disasm.c:259
o1
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Definition: disasm.c:102
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static const struct finst db_Escd[]
Definition: disasm.c:545
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static const char *const db_Grp9[]
Definition: disasm.c:206
BYTE
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Definition: disasm.c:50
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static const char *const db_Esc92[]
Definition: disasm.c:457
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static const struct inst db_inst_0fcx[]
Definition: disasm.c:419
Iba
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Definition: disasm.c:111
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static const char *const db_Esc96[]
Definition: disasm.c:466
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Definition: disasm.c:946
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static const struct inst *const db_inst_0f38[]
Definition: disasm.c:154
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static const struct inst db_bad_inst
Definition: disasm.c:929
S
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Definition: disasm.c:82
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static const char *const db_Escf4[]
Definition: disasm.c:486
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Definition: disasm.c:126
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Definition: disasm.c:941
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Definition: disasm.c:114
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Definition: printf.c:210
Debug_PrintSymbol
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Definition: debug.c:118
size
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Definition: multiboot.h:0
len
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Definition: multiboot.h:2
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Definition: string.c:81
uintptr_t
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Definition: types.h:16