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Rewrite EscapeCommFunction16 to use EscapeCommFunction.
[wine/wine64.git] / debugger / db_disasm.c
blob2861ed08663e2e1b6679e4c06b61ded2b81a8319
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 "AS IS"
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 Mellon
24 * the rights to redistribute these changes.
25 */
26 /*
27 * HISTORY
28 *
29 * Revision 2.6 92/01/03 20:05:00 dbg
30 * Add a switch to disassemble 16-bit code.
31 * Fix spelling of 'lods' opcodes.
32 * [91/10/30 dbg]
33 *
34 * Revision 2.5 91/10/09 16:05:58 af
35 * Supported disassemble of non current task by passing task parameter.
36 * [91/08/29 tak]
37 *
38 * Revision 2.4 91/05/14 16:05:04 mrt
39 * Correcting copyright
40 *
41 * Revision 2.3 91/02/05 17:11:03 mrt
42 * Changed to new Mach copyright
43 * [91/02/01 17:31:03 mrt]
44 *
45 * Revision 2.2 90/08/27 21:55:56 dbg
46 * Fix register operand for move to/from control/test/debug
47 * register instructions. Add i486 instructions.
48 * [90/08/27 dbg]
49 *
50 * Import db_sym.h. Print instruction displacements in
51 * current radix (signed). Change calling sequence of
52 * db_disasm.
53 * [90/08/21 dbg]
54 * Fix includes.
55 * [90/08/08 dbg]
56 * Created.
57 * [90/07/25 dbg]
58 *
59 */
60
61 /*
62 * Instruction disassembler.
63 */
64
65 #include "debugger.h"
66
67 #ifdef __i386__
68
69 /*
70 * Switch to disassemble 16-bit code.
71 */
72 static BOOL db_disasm_16 = FALSE;
73
74 /*
75 * Flag to indicate whether we need to display instruction,
76 * or whether we just need to know the address of the next
77 * instruction.
78 */
79 static BOOL db_display = FALSE;
80
81 /*
82 * Size attributes
83 */
84 #define BYTE 0
85 #define WORD 1
86 #define LONG 2
87 #define QUAD 3
88 #define SNGL 4
89 #define DBLR 5
90 #define EXTR 6
91 #define SDEP 7
92 #define NONE 8
93
94 /*
95 * Addressing modes
96 */
97 #define E 1 /* general effective address */
98 #define Eind 2 /* indirect address (jump, call) */
99 #define Ew 3 /* address, word size */
100 #define Eb 4 /* address, byte size */
101 #define R 5 /* register, in 'reg' field */
102 #define Rw 6 /* word register, in 'reg' field */
103 #define Ri 7 /* register in instruction */
104 #define S 8 /* segment reg, in 'reg' field */
105 #define Si 9 /* segment reg, in instruction */
106 #define A 10 /* accumulator */
107 #define BX 11 /* (bx) */
108 #define CL 12 /* cl, for shifts */
109 #define DX 13 /* dx, for IO */
110 #define SI 14 /* si */
111 #define DI 15 /* di */
112 #define CR 16 /* control register */
113 #define DR 17 /* debug register */
114 #define TR 18 /* test register */
115 #define I 19 /* immediate, unsigned */
116 #define Is 20 /* immediate, signed */
117 #define Ib 21 /* byte immediate, unsigned */
118 #define Ibs 22 /* byte immediate, signed */
119 #define Iw 23 /* word immediate, unsigned */
120 #define Il 24 /* long immediate */
121 #define O 25 /* direct address */
122 #define Db 26 /* byte displacement from EIP */
123 #define Dl 27 /* long displacement from EIP */
124 #define o1 28 /* constant 1 */
125 #define o3 29 /* constant 3 */
126 #define OS 30 /* immediate offset/segment */
127 #define ST 31 /* FP stack top */
128 #define STI 32 /* FP stack */
129 #define X 33 /* extended FP op */
130 #define XA 34 /* for 'fstcw %ax' */
131 #define MX 35 /* special register (mmx) */
132 #define EMX 36 /* special register (mmx) */
133
134 struct inst {
135 const char *i_name; /* name */
136 short i_has_modrm; /* has regmodrm byte */
137 short i_size; /* operand size */
138 int i_mode; /* addressing modes */
139 const char *i_extra; /* pointer to extra opcode table */
140 };
141
142 #define op1(x) (x)
143 #define op2(x,y) ((x)|((y)<<8))
144 #define op3(x,y,z) ((x)|((y)<<8)|((z)<<16))
145
146 struct finst {
147 const char *f_name; /* name for memory instruction */
148 int f_size; /* size for memory instruction */
149 int f_rrmode; /* mode for rr instruction */
150 const char *f_rrname; /* name for rr instruction
151 (or pointer to table) */
152 };
153
154 static const char * const db_Grp6[] = {
155 "sldt",
156 "str",
157 "lldt",
158 "ltr",
159 "verr",
160 "verw",
161 "",
162 ""
163 };
164
165 static const char * const db_Grp7[] = {
166 "sgdt",
167 "sidt",
168 "lgdt",
169 "lidt",
170 "smsw",
171 "",
172 "lmsw",
173 "invlpg"
174 };
175
176 static const char * const db_Grp8[] = {
177 "",
178 "",
179 "",
180 "",
181 "bt",
182 "bts",
183 "btr",
184 "btc"
185 };
186
187 static const char * const db_Grp10[] = {
188 "(bad)",
189 "(bad)",
190 "psrlw",
191 "(bad)",
192 "psraw",
193 "(bad)",
194 "psllw",
195 "(bad)"
196 };
197
198 static const char * const db_Grp11[] = {
199 "(bad)",
200 "(bad)",
201 "psrld",
202 "(bad)",
203 "psrad",
204 "(bad)",
205 "pslld",
206 "(bad)"
207 };
208
209 static const char * const db_Grp12[] = {
210 "(bad)",
211 "(bad)",
212 "psrlq",
213 "(bad)",
214 "psraq",
215 "(bad)",
216 "psllq",
217 "(bad)"
218 };
219
220 static const struct inst db_inst_0f0x[] = {
221 /*00*/ { "", TRUE, NONE, op1(Ew), (char *)db_Grp6 },
222 /*01*/ { "", TRUE, NONE, op1(Ew), (char *)db_Grp7 },
223 /*02*/ { "lar", TRUE, LONG, op2(E,R), 0 },
224 /*03*/ { "lsl", TRUE, LONG, op2(E,R), 0 },
225 /*04*/ { "", FALSE, NONE, 0, 0 },
226 /*05*/ { "", FALSE, NONE, 0, 0 },
227 /*06*/ { "clts", FALSE, NONE, 0, 0 },
228 /*07*/ { "", FALSE, NONE, 0, 0 },
229
230 /*08*/ { "invd", FALSE, NONE, 0, 0 },
231 /*09*/ { "wbinvd",FALSE, NONE, 0, 0 },
232 /*0a*/ { "", FALSE, NONE, 0, 0 },
233 /*0b*/ { "", FALSE, NONE, 0, 0 },
234 /*0c*/ { "", FALSE, NONE, 0, 0 },
235 /*0d*/ { "", FALSE, NONE, 0, 0 },
236 /*0e*/ { "", FALSE, NONE, 0, 0 },
237 /*0f*/ { "", FALSE, NONE, 0, 0 },
238 };
239
240 static const struct inst db_inst_0f2x[] = {
241 /*20*/ { "mov", TRUE, LONG, op2(CR,E), 0 }, /* use E for reg */
242 /*21*/ { "mov", TRUE, LONG, op2(DR,E), 0 }, /* since mod == 11 */
243 /*22*/ { "mov", TRUE, LONG, op2(E,CR), 0 },
244 /*23*/ { "mov", TRUE, LONG, op2(E,DR), 0 },
245 /*24*/ { "mov", TRUE, LONG, op2(TR,E), 0 },
246 /*25*/ { "(bad)", FALSE, NONE, 0, 0 },
247 /*26*/ { "mov", TRUE, LONG, op2(E,TR), 0 },
248 /*27*/ { "(bad)", FALSE, NONE, 0, 0 },
249
250 /*28*/ { "", FALSE, NONE, 0, 0 },
251 /*29*/ { "", FALSE, NONE, 0, 0 },
252 /*2a*/ { "", FALSE, NONE, 0, 0 },
253 /*2b*/ { "", FALSE, NONE, 0, 0 },
254 /*2c*/ { "", FALSE, NONE, 0, 0 },
255 /*2d*/ { "", FALSE, NONE, 0, 0 },
256 /*2e*/ { "", FALSE, NONE, 0, 0 },
257 /*2f*/ { "", FALSE, NONE, 0, 0 },
258 };
259
260 static const struct inst db_inst_0f3x[] = {
261 /*20*/ { "wrmsr", FALSE, NONE, 0, 0 },
262 /*21*/ { "rdtsc", FALSE, NONE, 0, 0 },
263 /*22*/ { "rdmsr", FALSE, NONE, 0, 0 },
264 /*23*/ { "rdpmc", FALSE, NONE, 0, 0 },
265 /*24*/ { "sysenter",FALSE,NONE, 0, 0 },
266 /*25*/ { "sysexit",FALSE,NONE, 0, 0 },
267 /*26*/ { "(bad)", FALSE, NONE, 0, 0 },
268 /*27*/ { "(bad)", FALSE, NONE, 0, 0 },
269
270 /*28*/ { "(bad)",FALSE, NONE, 0, 0 },
271 /*29*/ { "(bad)",FALSE, NONE, 0, 0 },
272 /*2a*/ { "(bad)",FALSE, NONE, 0, 0 },
273 /*2b*/ { "(bad)",FALSE, NONE, 0, 0 },
274 /*2c*/ { "(bad)",FALSE, NONE, 0, 0 },
275 /*2d*/ { "(bad)",FALSE, NONE, 0, 0 },
276 /*2e*/ { "(bad)",FALSE, NONE, 0, 0 },
277 /*2f*/ { "(bad)",FALSE, NONE, 0, 0 },
278 };
279
280 static const struct inst db_inst_0f4x[] = {
281 /*40*/ { "cmovo", TRUE, NONE, op2(E, R), 0 },
282 /*41*/ { "cmovno", TRUE, NONE, op2(E, R), 0 },
283 /*42*/ { "cmovnae",TRUE, NONE, op2(E, R), 0 },
284 /*43*/ { "cmovnb", TRUE, NONE, op2(E, R), 0 },
285 /*44*/ { "cmove", TRUE, NONE, op2(E, R), 0 },
286 /*45*/ { "cmovne", TRUE, NONE, op2(E, R), 0 },
287 /*46*/ { "cmovna", TRUE, NONE, op2(E, R), 0 },
288 /*47*/ { "cmova", TRUE, NONE, op2(E, R), 0 },
289
290 /*48*/ { "cmovs", TRUE, NONE, op2(E, R), 0 },
291 /*49*/ { "cmovns", TRUE, NONE, op2(E, R), 0 },
292 /*4a*/ { "cmovpe", TRUE, NONE, op2(E, R), 0 },
293 /*4b*/ { "cmovpo", TRUE, NONE, op2(E, R), 0 },
294 /*4c*/ { "cmovl", TRUE, NONE, op2(E, R), 0 },
295 /*4d*/ { "cmovge", TRUE, NONE, op2(E, R), 0 },
296 /*4e*/ { "cmovle", TRUE, NONE, op2(E, R), 0 },
297 /*4f*/ { "cmovnle",TRUE, NONE, op2(E, R), 0 },
298 };
299
300 static const struct inst db_inst_0f6x[] = {
301 /*60*/ { "punpcklbw", TRUE, NONE, op2(E, MX), 0 },
302 /*61*/ { "punpcklwd", TRUE, NONE, op2(E, MX), 0 },
303 /*62*/ { "punpckldq", TRUE, NONE, op2(E, MX), 0 },
304 /*63*/ { "packsswb", TRUE, NONE, op2(E, MX), 0 },
305 /*64*/ { "pcmpgtb", TRUE, NONE, op2(E, MX), 0 },
306 /*65*/ { "pcmpgtw", TRUE, NONE, op2(E, MX), 0 },
307 /*66*/ { "pcmpgtd", TRUE, NONE, op2(E, MX), 0 },
308 /*67*/ { "packuswb", TRUE, NONE, op2(E, MX), 0 },
309
310 /*68*/ { "punpckhbw", TRUE, NONE, op2(E, MX), 0 },
311 /*69*/ { "punpckhwd", TRUE, NONE, op2(E, MX), 0 },
312 /*6a*/ { "punpckhdq", TRUE, NONE, op2(E, MX), 0 },
313 /*6b*/ { "packssdw", TRUE, NONE, op2(E, MX), 0 },
314 /*6c*/ { "(bad)", TRUE, NONE, 0, 0 },
315 /*6d*/ { "(bad)", TRUE, NONE, 0, 0 },
316 /*6e*/ { "movd", TRUE, NONE, op2(E, MX), 0 },
317 /*6f*/ { "movq", TRUE, NONE, op2(E, MX), 0 },
318 };
319
320 static const struct inst db_inst_0f7x[] = {
321 /*70*/ { "pshufw", TRUE, NONE, op2(MX, EMX), 0 },
322 /*71*/ { "(grp10)", TRUE, BYTE, op2(EMX, I), (char*)db_Grp10 },
323 /*72*/ { "(grp11)", TRUE, BYTE, op2(EMX, I), (char*)db_Grp11 },
324 /*73*/ { "(grp12)", TRUE, BYTE, op2(EMX, I), (char*)db_Grp12 },
325 /*74*/ { "pcmpeqb", TRUE, NONE, op2(E, MX), 0 },
326 /*75*/ { "pcmpeqw", TRUE, NONE, op2(E, MX), 0 },
327 /*76*/ { "pcmpeqd", TRUE, NONE, op2(E, MX), 0 },
328 /*77*/ { "emms", FALSE,NONE, 0, 0 },
329
330 /*78*/ { "(bad)", TRUE, NONE, 0, 0 },
331 /*79*/ { "(bad)", TRUE, NONE, 0, 0 },
332 /*7a*/ { "(bad)", TRUE, NONE, 0, 0 },
333 /*7b*/ { "(bad)", TRUE, NONE, 0, 0 },
334 /*7c*/ { "(bad)", TRUE, NONE, 0, 0 },
335 /*7d*/ { "(bad)", TRUE, NONE, 0, 0 },
336 /*7e*/ { "movd", TRUE, NONE, op2(E, MX), 0 },
337 /*7f*/ { "movq", TRUE, NONE, op2(EMX, MX), 0 },
338 };
339
340 static const struct inst db_inst_0f8x[] = {
341 /*80*/ { "jo", FALSE, NONE, op1(Dl), 0 },
342 /*81*/ { "jno", FALSE, NONE, op1(Dl), 0 },
343 /*82*/ { "jb", FALSE, NONE, op1(Dl), 0 },
344 /*83*/ { "jnb", FALSE, NONE, op1(Dl), 0 },
345 /*84*/ { "jz", FALSE, NONE, op1(Dl), 0 },
346 /*85*/ { "jnz", FALSE, NONE, op1(Dl), 0 },
347 /*86*/ { "jbe", FALSE, NONE, op1(Dl), 0 },
348 /*87*/ { "jnbe", FALSE, NONE, op1(Dl), 0 },
349
350 /*88*/ { "js", FALSE, NONE, op1(Dl), 0 },
351 /*89*/ { "jns", FALSE, NONE, op1(Dl), 0 },
352 /*8a*/ { "jp", FALSE, NONE, op1(Dl), 0 },
353 /*8b*/ { "jnp", FALSE, NONE, op1(Dl), 0 },
354 /*8c*/ { "jl", FALSE, NONE, op1(Dl), 0 },
355 /*8d*/ { "jnl", FALSE, NONE, op1(Dl), 0 },
356 /*8e*/ { "jle", FALSE, NONE, op1(Dl), 0 },
357 /*8f*/ { "jnle", FALSE, NONE, op1(Dl), 0 },
358 };
359
360 static const struct inst db_inst_0f9x[] = {
361 /*90*/ { "seto", TRUE, NONE, op1(Eb), 0 },
362 /*91*/ { "setno", TRUE, NONE, op1(Eb), 0 },
363 /*92*/ { "setb", TRUE, NONE, op1(Eb), 0 },
364 /*93*/ { "setnb", TRUE, NONE, op1(Eb), 0 },
365 /*94*/ { "setz", TRUE, NONE, op1(Eb), 0 },
366 /*95*/ { "setnz", TRUE, NONE, op1(Eb), 0 },
367 /*96*/ { "setbe", TRUE, NONE, op1(Eb), 0 },
368 /*97*/ { "setnbe",TRUE, NONE, op1(Eb), 0 },
369
370 /*98*/ { "sets", TRUE, NONE, op1(Eb), 0 },
371 /*99*/ { "setns", TRUE, NONE, op1(Eb), 0 },
372 /*9a*/ { "setp", TRUE, NONE, op1(Eb), 0 },
373 /*9b*/ { "setnp", TRUE, NONE, op1(Eb), 0 },
374 /*9c*/ { "setl", TRUE, NONE, op1(Eb), 0 },
375 /*9d*/ { "setnl", TRUE, NONE, op1(Eb), 0 },
376 /*9e*/ { "setle", TRUE, NONE, op1(Eb), 0 },
377 /*9f*/ { "setnle",TRUE, NONE, op1(Eb), 0 },
378 };
379
380 static const struct inst db_inst_0fax[] = {
381 /*a0*/ { "push", FALSE, NONE, op1(Si), 0 },
382 /*a1*/ { "pop", FALSE, NONE, op1(Si), 0 },
383 /*a2*/ { "cpuid", FALSE, NONE, 0, 0 },
384 /*a3*/ { "bt", TRUE, LONG, op2(E,R), 0 },
385 /*a4*/ { "shld", TRUE, LONG, op3(Ib,E,R), 0 },
386 /*a5*/ { "shld", TRUE, LONG, op3(CL,E,R), 0 },
387 /*a6*/ { "", FALSE, NONE, 0, 0 },
388 /*a7*/ { "", FALSE, NONE, 0, 0 },
389
390 /*a8*/ { "push", FALSE, NONE, op1(Si), 0 },
391 /*a9*/ { "pop", FALSE, NONE, op1(Si), 0 },
392 /*aa*/ { "", FALSE, NONE, 0, 0 },
393 /*ab*/ { "bts", TRUE, LONG, op2(E,R), 0 },
394 /*ac*/ { "shrd", TRUE, LONG, op3(Ib,E,R), 0 },
395 /*ad*/ { "shrd", TRUE, LONG, op3(CL,E,R), 0 },
396 /*a6*/ { "", FALSE, NONE, 0, 0 },
397 /*a7*/ { "imul", TRUE, LONG, op2(E,R), 0 },
398 };
399
400 static const struct inst db_inst_0fbx[] = {
401 /*b0*/ { "cmpxchg",TRUE, BYTE, op2(E, R), 0 },
402 /*b1*/ { "cmpxchg",TRUE, LONG, op2(E, R), 0 },
403 /*b2*/ { "lss", TRUE, LONG, op2(E, R), 0 },
404 /*b3*/ { "bts", TRUE, LONG, op2(R, E), 0 },
405 /*b4*/ { "lfs", TRUE, LONG, op2(E, R), 0 },
406 /*b5*/ { "lgs", TRUE, LONG, op2(E, R), 0 },
407 /*b6*/ { "movzb", TRUE, LONG, op2(E, R), 0 },
408 /*b7*/ { "movzw", TRUE, LONG, op2(E, R), 0 },
409
410 /*b8*/ { "", FALSE, NONE, 0, 0 },
411 /*b9*/ { "", FALSE, NONE, 0, 0 },
412 /*ba*/ { "", TRUE, LONG, op2(Ib, E), (char *)db_Grp8 },
413 /*bb*/ { "btc", TRUE, LONG, op2(R, E), 0 },
414 /*bc*/ { "bsf", TRUE, LONG, op2(E, R), 0 },
415 /*bd*/ { "bsr", TRUE, LONG, op2(E, R), 0 },
416 /*be*/ { "movsb", TRUE, LONG, op2(E, R), 0 },
417 /*bf*/ { "movsw", TRUE, LONG, op2(E, R), 0 },
418 };
419
420 static const struct inst db_inst_0fcx[] = {
421 /*c0*/ { "xadd", TRUE, BYTE, op2(R, E), 0 },
422 /*c1*/ { "xadd", TRUE, LONG, op2(R, E), 0 },
423 /*c2*/ { "", FALSE, NONE, 0, 0 },
424 /*c3*/ { "", FALSE, NONE, 0, 0 },
425 /*c4*/ { "", FALSE, NONE, 0, 0 },
426 /*c5*/ { "", FALSE, NONE, 0, 0 },
427 /*c6*/ { "", FALSE, NONE, 0, 0 },
428 /*c7*/ { "", FALSE, NONE, 0, 0 },
429 /*c8*/ { "bswap", FALSE, LONG, op1(Ri), 0 },
430 /*c9*/ { "bswap", FALSE, LONG, op1(Ri), 0 },
431 /*ca*/ { "bswap", FALSE, LONG, op1(Ri), 0 },
432 /*cb*/ { "bswap", FALSE, LONG, op1(Ri), 0 },
433 /*cc*/ { "bswap", FALSE, LONG, op1(Ri), 0 },
434 /*cd*/ { "bswap", FALSE, LONG, op1(Ri), 0 },
435 /*ce*/ { "bswap", FALSE, LONG, op1(Ri), 0 },
436 /*cf*/ { "bswap", FALSE, LONG, op1(Ri), 0 },
437 };
438
439 static const struct inst db_inst_0fdx[] = {
440 /*d0*/ { "(bad)", FALSE, NONE,0, 0 },
441 /*d1*/ { "psrlw", TRUE, NONE,op2(MX,EMX), 0 },
442 /*d2*/ { "psrld", TRUE, NONE,op2(MX,EMX), 0 },
443 /*d3*/ { "psrld", TRUE, NONE,op2(MX,EMX), 0 },
444 /*d4*/ { "(bad)", FALSE, NONE,0, 0 },
445 /*d5*/ { "pmulww", TRUE, NONE,op2(MX,EMX), 0 },
446 /*d6*/ { "(bad)", FALSE, NONE,0, 0 },
447 /*d7*/ { "pmovmskb",FALSE, NONE,op2(MX,EMX),0 },
448 /*d8*/ { "psubusb", TRUE, NONE,op2(MX,EMX), 0 },
449 /*d9*/ { "psubusw", TRUE, NONE,op2(MX,EMX), 0 },
450 /*da*/ { "pminub", TRUE, NONE,op2(MX,EMX), 0 },
451 /*db*/ { "pand", TRUE, NONE,op2(MX,EMX), 0 },
452 /*dc*/ { "paddusb", TRUE, NONE,op2(MX,EMX), 0 },
453 /*dd*/ { "paddusw", TRUE, NONE,op2(MX,EMX), 0 },
454 /*de*/ { "pmaxub", TRUE, NONE,op2(MX,EMX), 0 },
455 /*df*/ { "pandn", TRUE, NONE,op2(MX,EMX), 0 },
456 };
457
458 static const struct inst db_inst_0fex[] = {
459 /*e0*/ { "pavgb", TRUE, NONE, op2(MX, EMX), 0 },
460 /*e1*/ { "psraw", TRUE, NONE, op2(MX, EMX), 0 },
461 /*e2*/ { "psrad", TRUE, NONE, op2(MX, EMX), 0 },
462 /*e3*/ { "pavgw", TRUE, NONE, op2(MX, EMX), 0 },
463 /*e4*/ { "pmulhuw",TRUE, NONE, op2(MX, EMX), 0 },
464 /*e5*/ { "pmulhw", TRUE, NONE, op2(MX, EMX), 0 },
465 /*e6*/ { "(bad)", FALSE,NONE, 0, 0 },
466 /*e7*/ { "movntq", TRUE, NONE, op2(MX, EMX), 0 },
467 /*e8*/ { "psubsb", TRUE, NONE, op2(MX, EMX), 0 },
468 /*e9*/ { "psubsw", TRUE, NONE, op2(MX, EMX), 0 },
469 /*ea*/ { "pminsw", TRUE, NONE, op2(MX, EMX), 0 },
470 /*eb*/ { "por", TRUE, NONE, op2(MX, EMX), 0 },
471 /*ec*/ { "paddsb", TRUE, NONE, op2(MX, EMX), 0 },
472 /*ed*/ { "paddsw", TRUE, NONE, op2(MX, EMX), 0 },
473 /*ee*/ { "pmaxsw", TRUE, NONE, op2(MX, EMX), 0 },
474 /*ef*/ { "pxor", TRUE, NONE, op2(MX, EMX), 0 },
475 };
476
477 static const struct inst db_inst_0ffx[] = {
478 /*f0*/ { "(bad)", FALSE,NONE, 0, 0 },
479 /*f1*/ { "psllw", TRUE, NONE, op2(MX, EMX), 0 },
480 /*f2*/ { "pslld", TRUE, NONE, op2(MX, EMX), 0 },
481 /*f3*/ { "psllq", TRUE, NONE, op2(MX, EMX), 0 },
482 /*f4*/ { "(bad)", FALSE,NONE, 0, 0 },
483 /*f5*/ { "pmaddwd",TRUE, NONE, op2(MX, EMX), 0 },
484 /*f6*/ { "psadbw", TRUE, NONE, op2(MX, EMX), 0 },
485 /*f7*/ { "maskmovq",TRUE,NONE, op2(MX, EMX), 0 },
486 /*f8*/ { "psubb", TRUE, NONE, op2(MX, EMX), 0 },
487 /*f9*/ { "psubw", TRUE, NONE, op2(MX, EMX), 0 },
488 /*fa*/ { "psubd", TRUE, NONE, op2(MX, EMX), 0 },
489 /*fb*/ { "(bad)", FALSE,NONE, 0, 0 },
490 /*fc*/ { "paddb", TRUE, NONE, op2(MX, EMX), 0 },
491 /*fd*/ { "paddw", TRUE, NONE, op2(MX, EMX), 0 },
492 /*fe*/ { "paddd", TRUE, NONE, op2(MX, EMX), 0 },
493 /*ff*/ { "(bad)", FALSE, NONE, 0, 0 },
494 };
495
496 static const struct inst * const db_inst_0f[] = {
497 db_inst_0f0x,
498 0,
499 db_inst_0f2x,
500 db_inst_0f3x,
501 db_inst_0f4x,
502 0,
503 db_inst_0f6x,
504 db_inst_0f7x,
505 db_inst_0f8x,
506 db_inst_0f9x,
507 db_inst_0fax,
508 db_inst_0fbx,
509 db_inst_0fcx,
510 db_inst_0fdx,
511 db_inst_0fex,
512 db_inst_0ffx
513 };
514
515 static const char * const db_Esc92[] = {
516 "fnop", "", "", "", "", "", "", ""
517 };
518 static const char * const db_Esc93[] = {
519 "", "", "", "", "", "", "", ""
520 };
521 static const char * const db_Esc94[] = {
522 "fchs", "fabs", "", "", "ftst", "fxam", "", ""
523 };
524 static const char * const db_Esc95[] = {
525 "fld1", "fldl2t","fldl2e","fldpi","fldlg2","fldln2","fldz",""
526 };
527 static const char * const db_Esc96[] = {
528 "f2xm1","fyl2x","fptan","fpatan","fxtract","fprem1","fdecstp",
529 "fincstp"
530 };
531 static const char * const db_Esc97[] = {
532 "fprem","fyl2xp1","fsqrt","fsincos","frndint","fscale","fsin","fcos"
533 };
534
535 static const char * const db_Esca4[] = {
536 "", "fucompp","", "", "", "", "", ""
537 };
538
539 static const char * const db_Escb4[] = {
540 "", "", "fnclex","fninit","", "", "", ""
541 };
542
543 static const char * const db_Esce3[] = {
544 "", "fcompp","", "", "", "", "", ""
545 };
546
547 static const char * const db_Escf4[] = {
548 "fnstsw","", "", "", "", "", "", ""
549 };
550
551 static const struct finst db_Esc8[] = {
552 /*0*/ { "fadd", SNGL, op2(STI,ST), 0 },
553 /*1*/ { "fmul", SNGL, op2(STI,ST), 0 },
554 /*2*/ { "fcom", SNGL, op2(STI,ST), 0 },
555 /*3*/ { "fcomp", SNGL, op2(STI,ST), 0 },
556 /*4*/ { "fsub", SNGL, op2(STI,ST), 0 },
557 /*5*/ { "fsubr", SNGL, op2(STI,ST), 0 },
558 /*6*/ { "fdiv", SNGL, op2(STI,ST), 0 },
559 /*7*/ { "fdivr", SNGL, op2(STI,ST), 0 },
560 };
561
562 static const struct finst db_Esc9[] = {
563 /*0*/ { "fld", SNGL, op1(STI), 0 },
564 /*1*/ { "", NONE, op1(STI), "fxch" },
565 /*2*/ { "fst", SNGL, op1(X), (char *)db_Esc92 },
566 /*3*/ { "fstp", SNGL, op1(X), (char *)db_Esc93 },
567 /*4*/ { "fldenv", NONE, op1(X), (char *)db_Esc94 },
568 /*5*/ { "fldcw", NONE, op1(X), (char *)db_Esc95 },
569 /*6*/ { "fnstenv",NONE, op1(X), (char *)db_Esc96 },
570 /*7*/ { "fnstcw", NONE, op1(X), (char *)db_Esc97 },
571 };
572
573 static const struct finst db_Esca[] = {
574 /*0*/ { "fiadd", WORD, 0, 0 },
575 /*1*/ { "fimul", WORD, 0, 0 },
576 /*2*/ { "ficom", WORD, 0, 0 },
577 /*3*/ { "ficomp", WORD, 0, 0 },
578 /*4*/ { "fisub", WORD, op1(X), (char *)db_Esca4 },
579 /*5*/ { "fisubr", WORD, 0, 0 },
580 /*6*/ { "fidiv", WORD, 0, 0 },
581 /*7*/ { "fidivr", WORD, 0, 0 }
582 };
583
584 static const struct finst db_Escb[] = {
585 /*0*/ { "fild", WORD, 0, 0 },
586 /*1*/ { "", NONE, 0, 0 },
587 /*2*/ { "fist", WORD, 0, 0 },
588 /*3*/ { "fistp", WORD, 0, 0 },
589 /*4*/ { "", WORD, op1(X), (char *)db_Escb4 },
590 /*5*/ { "fld", EXTR, 0, 0 },
591 /*6*/ { "", WORD, 0, 0 },
592 /*7*/ { "fstp", EXTR, 0, 0 },
593 };
594
595 static const struct finst db_Escc[] = {
596 /*0*/ { "fadd", DBLR, op2(ST,STI), 0 },
597 /*1*/ { "fmul", DBLR, op2(ST,STI), 0 },
598 /*2*/ { "fcom", DBLR, op2(ST,STI), 0 },
599 /*3*/ { "fcomp", DBLR, op2(ST,STI), 0 },
600 /*4*/ { "fsub", DBLR, op2(ST,STI), "fsubr" },
601 /*5*/ { "fsubr", DBLR, op2(ST,STI), "fsub" },
602 /*6*/ { "fdiv", DBLR, op2(ST,STI), "fdivr" },
603 /*7*/ { "fdivr", DBLR, op2(ST,STI), "fdiv" },
604 };
605
606 static const struct finst db_Escd[] = {
607 /*0*/ { "fld", DBLR, op1(STI), "ffree" },
608 /*1*/ { "", NONE, 0, 0 },
609 /*2*/ { "fst", DBLR, op1(STI), 0 },
610 /*3*/ { "fstp", DBLR, op1(STI), 0 },
611 /*4*/ { "frstor", NONE, op1(STI), "fucom" },
612 /*5*/ { "", NONE, op1(STI), "fucomp" },
613 /*6*/ { "fnsave", NONE, 0, 0 },
614 /*7*/ { "fnstsw", NONE, 0, 0 },
615 };
616
617 static const struct finst db_Esce[] = {
618 /*0*/ { "fiadd", LONG, op2(ST,STI), "faddp" },
619 /*1*/ { "fimul", LONG, op2(ST,STI), "fmulp" },
620 /*2*/ { "ficom", LONG, 0, 0 },
621 /*3*/ { "ficomp", LONG, op1(X), (char *)db_Esce3 },
622 /*4*/ { "fisub", LONG, op2(ST,STI), "fsubrp" },
623 /*5*/ { "fisubr", LONG, op2(ST,STI), "fsubp" },
624 /*6*/ { "fidiv", LONG, op2(ST,STI), "fdivrp" },
625 /*7*/ { "fidivr", LONG, op2(ST,STI), "fdivp" },
626 };
627
628 static const struct finst db_Escf[] = {
629 /*0*/ { "fild", LONG, 0, 0 },
630 /*1*/ { "", LONG, 0, 0 },
631 /*2*/ { "fist", LONG, 0, 0 },
632 /*3*/ { "fistp", LONG, 0, 0 },
633 /*4*/ { "fbld", NONE, op1(XA), (char *)db_Escf4 },
634 /*5*/ { "fld", QUAD, 0, 0 },
635 /*6*/ { "fbstp", NONE, 0, 0 },
636 /*7*/ { "fstp", QUAD, 0, 0 },
637 };
638
639 static const struct finst * const db_Esc_inst[] = {
640 db_Esc8, db_Esc9, db_Esca, db_Escb,
641 db_Escc, db_Escd, db_Esce, db_Escf
642 };
643
644 static const char * const db_Grp1[] = {
645 "add",
646 "or",
647 "adc",
648 "sbb",
649 "and",
650 "sub",
651 "xor",
652 "cmp"
653 };
654
655 static const char * const db_Grp2[] = {
656 "rol",
657 "ror",
658 "rcl",
659 "rcr",
660 "shl",
661 "shr",
662 "shl",
663 "sar"
664 };
665
666 static const struct inst db_Grp3[] = {
667 { "test", TRUE, NONE, op2(I,E), 0 },
668 { "test", TRUE, NONE, op2(I,E), 0 },
669 { "not", TRUE, NONE, op1(E), 0 },
670 { "neg", TRUE, NONE, op1(E), 0 },
671 { "mul", TRUE, NONE, op2(E,A), 0 },
672 { "imul", TRUE, NONE, op2(E,A), 0 },
673 { "div", TRUE, NONE, op2(E,A), 0 },
674 { "idiv", TRUE, NONE, op2(E,A), 0 },
675 };
676
677 static const struct inst db_Grp4[] = {
678 { "inc", TRUE, BYTE, op1(E), 0 },
679 { "dec", TRUE, BYTE, op1(E), 0 },
680 { "", TRUE, NONE, 0, 0 },
681 { "", TRUE, NONE, 0, 0 },
682 { "", TRUE, NONE, 0, 0 },
683 { "", TRUE, NONE, 0, 0 },
684 { "", TRUE, NONE, 0, 0 },
685 { "", TRUE, NONE, 0, 0 }
686 };
687
688 static const struct inst db_Grp5[] = {
689 { "inc", TRUE, LONG, op1(E), 0 },
690 { "dec", TRUE, LONG, op1(E), 0 },
691 { "call", TRUE, NONE, op1(Eind),0 },
692 { "lcall", TRUE, NONE, op1(Eind),0 },
693 { "jmp", TRUE, NONE, op1(Eind),0 },
694 { "ljmp", TRUE, NONE, op1(Eind),0 },
695 { "push", TRUE, LONG, op1(E), 0 },
696 { "", TRUE, NONE, 0, 0 }
697 };
698
699 static const struct inst db_inst_table[256] = {
700 /*00*/ { "add", TRUE, BYTE, op2(R, E), 0 },
701 /*01*/ { "add", TRUE, LONG, op2(R, E), 0 },
702 /*02*/ { "add", TRUE, BYTE, op2(E, R), 0 },
703 /*03*/ { "add", TRUE, LONG, op2(E, R), 0 },
704 /*04*/ { "add", FALSE, BYTE, op2(Is, A), 0 },
705 /*05*/ { "add", FALSE, LONG, op2(Is, A), 0 },
706 /*06*/ { "push", FALSE, NONE, op1(Si), 0 },
707 /*07*/ { "pop", FALSE, NONE, op1(Si), 0 },
708
709 /*08*/ { "or", TRUE, BYTE, op2(R, E), 0 },
710 /*09*/ { "or", TRUE, LONG, op2(R, E), 0 },
711 /*0a*/ { "or", TRUE, BYTE, op2(E, R), 0 },
712 /*0b*/ { "or", TRUE, LONG, op2(E, R), 0 },
713 /*0c*/ { "or", FALSE, BYTE, op2(I, A), 0 },
714 /*0d*/ { "or", FALSE, LONG, op2(I, A), 0 },
715 /*0e*/ { "push", FALSE, NONE, op1(Si), 0 },
716 /*0f*/ { "", FALSE, NONE, 0, 0 },
717
718 /*10*/ { "adc", TRUE, BYTE, op2(R, E), 0 },
719 /*11*/ { "adc", TRUE, LONG, op2(R, E), 0 },
720 /*12*/ { "adc", TRUE, BYTE, op2(E, R), 0 },
721 /*13*/ { "adc", TRUE, LONG, op2(E, R), 0 },
722 /*14*/ { "adc", FALSE, BYTE, op2(Is, A), 0 },
723 /*15*/ { "adc", FALSE, LONG, op2(Is, A), 0 },
724 /*16*/ { "push", FALSE, NONE, op1(Si), 0 },
725 /*17*/ { "pop", FALSE, NONE, op1(Si), 0 },
726
727 /*18*/ { "sbb", TRUE, BYTE, op2(R, E), 0 },
728 /*19*/ { "sbb", TRUE, LONG, op2(R, E), 0 },
729 /*1a*/ { "sbb", TRUE, BYTE, op2(E, R), 0 },
730 /*1b*/ { "sbb", TRUE, LONG, op2(E, R), 0 },
731 /*1c*/ { "sbb", FALSE, BYTE, op2(Is, A), 0 },
732 /*1d*/ { "sbb", FALSE, LONG, op2(Is, A), 0 },
733 /*1e*/ { "push", FALSE, NONE, op1(Si), 0 },
734 /*1f*/ { "pop", FALSE, NONE, op1(Si), 0 },
735
736 /*20*/ { "and", TRUE, BYTE, op2(R, E), 0 },
737 /*21*/ { "and", TRUE, LONG, op2(R, E), 0 },
738 /*22*/ { "and", TRUE, BYTE, op2(E, R), 0 },
739 /*23*/ { "and", TRUE, LONG, op2(E, R), 0 },
740 /*24*/ { "and", FALSE, BYTE, op2(I, A), 0 },
741 /*25*/ { "and", FALSE, LONG, op2(I, A), 0 },
742 /*26*/ { "", FALSE, NONE, 0, 0 },
743 /*27*/ { "aaa", FALSE, NONE, 0, 0 },
744
745 /*28*/ { "sub", TRUE, BYTE, op2(R, E), 0 },
746 /*29*/ { "sub", TRUE, LONG, op2(R, E), 0 },
747 /*2a*/ { "sub", TRUE, BYTE, op2(E, R), 0 },
748 /*2b*/ { "sub", TRUE, LONG, op2(E, R), 0 },
749 /*2c*/ { "sub", FALSE, BYTE, op2(Is, A), 0 },
750 /*2d*/ { "sub", FALSE, LONG, op2(Is, A), 0 },
751 /*2e*/ { "", FALSE, NONE, 0, 0 },
752 /*2f*/ { "das", FALSE, NONE, 0, 0 },
753
754 /*30*/ { "xor", TRUE, BYTE, op2(R, E), 0 },
755 /*31*/ { "xor", TRUE, LONG, op2(R, E), 0 },
756 /*32*/ { "xor", TRUE, BYTE, op2(E, R), 0 },
757 /*33*/ { "xor", TRUE, LONG, op2(E, R), 0 },
758 /*34*/ { "xor", FALSE, BYTE, op2(I, A), 0 },
759 /*35*/ { "xor", FALSE, LONG, op2(I, A), 0 },
760 /*36*/ { "", FALSE, NONE, 0, 0 },
761 /*37*/ { "daa", FALSE, NONE, 0, 0 },
762
763 /*38*/ { "cmp", TRUE, BYTE, op2(R, E), 0 },
764 /*39*/ { "cmp", TRUE, LONG, op2(R, E), 0 },
765 /*3a*/ { "cmp", TRUE, BYTE, op2(E, R), 0 },
766 /*3b*/ { "cmp", TRUE, LONG, op2(E, R), 0 },
767 /*3c*/ { "cmp", FALSE, BYTE, op2(Is, A), 0 },
768 /*3d*/ { "cmp", FALSE, LONG, op2(Is, A), 0 },
769 /*3e*/ { "", FALSE, NONE, 0, 0 },
770 /*3f*/ { "aas", FALSE, NONE, 0, 0 },
771
772 /*40*/ { "inc", FALSE, LONG, op1(Ri), 0 },
773 /*41*/ { "inc", FALSE, LONG, op1(Ri), 0 },
774 /*42*/ { "inc", FALSE, LONG, op1(Ri), 0 },
775 /*43*/ { "inc", FALSE, LONG, op1(Ri), 0 },
776 /*44*/ { "inc", FALSE, LONG, op1(Ri), 0 },
777 /*45*/ { "inc", FALSE, LONG, op1(Ri), 0 },
778 /*46*/ { "inc", FALSE, LONG, op1(Ri), 0 },
779 /*47*/ { "inc", FALSE, LONG, op1(Ri), 0 },
780
781 /*48*/ { "dec", FALSE, LONG, op1(Ri), 0 },
782 /*49*/ { "dec", FALSE, LONG, op1(Ri), 0 },
783 /*4a*/ { "dec", FALSE, LONG, op1(Ri), 0 },
784 /*4b*/ { "dec", FALSE, LONG, op1(Ri), 0 },
785 /*4c*/ { "dec", FALSE, LONG, op1(Ri), 0 },
786 /*4d*/ { "dec", FALSE, LONG, op1(Ri), 0 },
787 /*4e*/ { "dec", FALSE, LONG, op1(Ri), 0 },
788 /*4f*/ { "dec", FALSE, LONG, op1(Ri), 0 },
789
790 /*50*/ { "push", FALSE, LONG, op1(Ri), 0 },
791 /*51*/ { "push", FALSE, LONG, op1(Ri), 0 },
792 /*52*/ { "push", FALSE, LONG, op1(Ri), 0 },
793 /*53*/ { "push", FALSE, LONG, op1(Ri), 0 },
794 /*54*/ { "push", FALSE, LONG, op1(Ri), 0 },
795 /*55*/ { "push", FALSE, LONG, op1(Ri), 0 },
796 /*56*/ { "push", FALSE, LONG, op1(Ri), 0 },
797 /*57*/ { "push", FALSE, LONG, op1(Ri), 0 },
798
799 /*58*/ { "pop", FALSE, LONG, op1(Ri), 0 },
800 /*59*/ { "pop", FALSE, LONG, op1(Ri), 0 },
801 /*5a*/ { "pop", FALSE, LONG, op1(Ri), 0 },
802 /*5b*/ { "pop", FALSE, LONG, op1(Ri), 0 },
803 /*5c*/ { "pop", FALSE, LONG, op1(Ri), 0 },
804 /*5d*/ { "pop", FALSE, LONG, op1(Ri), 0 },
805 /*5e*/ { "pop", FALSE, LONG, op1(Ri), 0 },
806 /*5f*/ { "pop", FALSE, LONG, op1(Ri), 0 },
807
808 /*60*/ { "pusha", FALSE, LONG, 0, 0 },
809 /*61*/ { "popa", FALSE, LONG, 0, 0 },
810 /*62*/ { "bound", TRUE, LONG, op2(E, R), 0 },
811 /*63*/ { "arpl", TRUE, NONE, op2(Ew,Rw), 0 },
812
813 /*64*/ { "", FALSE, NONE, 0, 0 },
814 /*65*/ { "", FALSE, NONE, 0, 0 },
815 /*66*/ { "", FALSE, NONE, 0, 0 },
816 /*67*/ { "", FALSE, NONE, 0, 0 },
817
818 /*68*/ { "push", FALSE, LONG, op1(I), 0 },
819 /*69*/ { "imul", TRUE, LONG, op3(I,E,R), 0 },
820 /*6a*/ { "push", FALSE, LONG, op1(Ib), 0 },
821 /*6b*/ { "imul", TRUE, LONG, op3(Ibs,E,R),0 },
822 /*6c*/ { "ins", FALSE, BYTE, op2(DX, DI), 0 },
823 /*6d*/ { "ins", FALSE, LONG, op2(DX, DI), 0 },
824 /*6e*/ { "outs", FALSE, BYTE, op2(SI, DX), 0 },
825 /*6f*/ { "outs", FALSE, LONG, op2(SI, DX), 0 },
826
827 /*70*/ { "jo", FALSE, NONE, op1(Db), 0 },
828 /*71*/ { "jno", FALSE, NONE, op1(Db), 0 },
829 /*72*/ { "jb", FALSE, NONE, op1(Db), 0 },
830 /*73*/ { "jnb", FALSE, NONE, op1(Db), 0 },
831 /*74*/ { "jz", FALSE, NONE, op1(Db), 0 },
832 /*75*/ { "jnz", FALSE, NONE, op1(Db), 0 },
833 /*76*/ { "jbe", FALSE, NONE, op1(Db), 0 },
834 /*77*/ { "jnbe", FALSE, NONE, op1(Db), 0 },
835
836 /*78*/ { "js", FALSE, NONE, op1(Db), 0 },
837 /*79*/ { "jns", FALSE, NONE, op1(Db), 0 },
838 /*7a*/ { "jp", FALSE, NONE, op1(Db), 0 },
839 /*7b*/ { "jnp", FALSE, NONE, op1(Db), 0 },
840 /*7c*/ { "jl", FALSE, NONE, op1(Db), 0 },
841 /*7d*/ { "jnl", FALSE, NONE, op1(Db), 0 },
842 /*7e*/ { "jle", FALSE, NONE, op1(Db), 0 },
843 /*7f*/ { "jnle", FALSE, NONE, op1(Db), 0 },
844
845 /*80*/ { "", TRUE, BYTE, op2(I, E), (char *)db_Grp1 },
846 /*81*/ { "", TRUE, LONG, op2(I, E), (char *)db_Grp1 },
847 /*82*/ { "", TRUE, BYTE, op2(Is,E), (char *)db_Grp1 },
848 /*83*/ { "", TRUE, LONG, op2(Ibs,E), (char *)db_Grp1 },
849 /*84*/ { "test", TRUE, BYTE, op2(R, E), 0 },
850 /*85*/ { "test", TRUE, LONG, op2(R, E), 0 },
851 /*86*/ { "xchg", TRUE, BYTE, op2(R, E), 0 },
852 /*87*/ { "xchg", TRUE, LONG, op2(R, E), 0 },
853
854 /*88*/ { "mov", TRUE, BYTE, op2(R, E), 0 },
855 /*89*/ { "mov", TRUE, LONG, op2(R, E), 0 },
856 /*8a*/ { "mov", TRUE, BYTE, op2(E, R), 0 },
857 /*8b*/ { "mov", TRUE, LONG, op2(E, R), 0 },
858 /*8c*/ { "mov", TRUE, NONE, op2(S, Ew), 0 },
859 /*8d*/ { "lea", TRUE, LONG, op2(E, R), 0 },
860 /*8e*/ { "mov", TRUE, NONE, op2(Ew, S), 0 },
861 /*8f*/ { "pop", TRUE, LONG, op1(E), 0 },
862
863 /*90*/ { "nop", FALSE, NONE, 0, 0 },
864 /*91*/ { "xchg", FALSE, LONG, op2(A, Ri), 0 },
865 /*92*/ { "xchg", FALSE, LONG, op2(A, Ri), 0 },
866 /*93*/ { "xchg", FALSE, LONG, op2(A, Ri), 0 },
867 /*94*/ { "xchg", FALSE, LONG, op2(A, Ri), 0 },
868 /*95*/ { "xchg", FALSE, LONG, op2(A, Ri), 0 },
869 /*96*/ { "xchg", FALSE, LONG, op2(A, Ri), 0 },
870 /*97*/ { "xchg", FALSE, LONG, op2(A, Ri), 0 },
871
872 /*98*/ { "cbw", FALSE, SDEP, 0, "cwde" }, /* cbw/cwde */
873 /*99*/ { "cwd", FALSE, SDEP, 0, "cdq" }, /* cwd/cdq */
874 /*9a*/ { "lcall", FALSE, NONE, op1(OS), 0 },
875 /*9b*/ { "wait", FALSE, NONE, 0, 0 },
876 /*9c*/ { "pushf", FALSE, LONG, 0, 0 },
877 /*9d*/ { "popf", FALSE, LONG, 0, 0 },
878 /*9e*/ { "sahf", FALSE, NONE, 0, 0 },
879 /*9f*/ { "lahf", FALSE, NONE, 0, 0 },
880
881 /*a0*/ { "mov", FALSE, BYTE, op2(O, A), 0 },
882 /*a1*/ { "mov", FALSE, LONG, op2(O, A), 0 },
883 /*a2*/ { "mov", FALSE, BYTE, op2(A, O), 0 },
884 /*a3*/ { "mov", FALSE, LONG, op2(A, O), 0 },
885 /*a4*/ { "movs", FALSE, BYTE, op2(SI,DI), 0 },
886 /*a5*/ { "movs", FALSE, LONG, op2(SI,DI), 0 },
887 /*a6*/ { "cmps", FALSE, BYTE, op2(SI,DI), 0 },
888 /*a7*/ { "cmps", FALSE, LONG, op2(SI,DI), 0 },
889
890 /*a8*/ { "test", FALSE, BYTE, op2(I, A), 0 },
891 /*a9*/ { "test", FALSE, LONG, op2(I, A), 0 },
892 /*aa*/ { "stos", FALSE, BYTE, op1(DI), 0 },
893 /*ab*/ { "stos", FALSE, LONG, op1(DI), 0 },
894 /*ac*/ { "lods", FALSE, BYTE, op1(SI), 0 },
895 /*ad*/ { "lods", FALSE, LONG, op1(SI), 0 },
896 /*ae*/ { "scas", FALSE, BYTE, op1(DI), 0 },
897 /*af*/ { "scas", FALSE, LONG, op1(DI), 0 },
898
899 /*b0*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 },
900 /*b1*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 },
901 /*b2*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 },
902 /*b3*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 },
903 /*b4*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 },
904 /*b5*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 },
905 /*b6*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 },
906 /*b7*/ { "mov", FALSE, BYTE, op2(I, Ri), 0 },
907
908 /*b8*/ { "mov", FALSE, LONG, op2(I, Ri), 0 },
909 /*b9*/ { "mov", FALSE, LONG, op2(I, Ri), 0 },
910 /*ba*/ { "mov", FALSE, LONG, op2(I, Ri), 0 },
911 /*bb*/ { "mov", FALSE, LONG, op2(I, Ri), 0 },
912 /*bc*/ { "mov", FALSE, LONG, op2(I, Ri), 0 },
913 /*bd*/ { "mov", FALSE, LONG, op2(I, Ri), 0 },
914 /*be*/ { "mov", FALSE, LONG, op2(I, Ri), 0 },
915 /*bf*/ { "mov", FALSE, LONG, op2(I, Ri), 0 },
916
917 /*c0*/ { "", TRUE, BYTE, op2(Ib, E), (char *)db_Grp2 },
918 /*c1*/ { "", TRUE, LONG, op2(Ib, E), (char *)db_Grp2 },
919 /*c2*/ { "ret", FALSE, NONE, op1(Iw), 0 },
920 /*c3*/ { "ret", FALSE, NONE, 0, 0 },
921 /*c4*/ { "les", TRUE, LONG, op2(E, R), 0 },
922 /*c5*/ { "lds", TRUE, LONG, op2(E, R), 0 },
923 /*c6*/ { "mov", TRUE, BYTE, op2(I, E), 0 },
924 /*c7*/ { "mov", TRUE, LONG, op2(I, E), 0 },
925
926 /*c8*/ { "enter", FALSE, NONE, op2(Iw, Ib), 0 },
927 /*c9*/ { "leave", FALSE, NONE, 0, 0 },
928 /*ca*/ { "lret", FALSE, NONE, op1(Iw), 0 },
929 /*cb*/ { "lret", FALSE, NONE, 0, 0 },
930 /*cc*/ { "int", FALSE, NONE, op1(o3), 0 },
931 /*cd*/ { "int", FALSE, NONE, op1(Ib), 0 },
932 /*ce*/ { "into", FALSE, NONE, 0, 0 },
933 /*cf*/ { "iret", FALSE, NONE, 0, 0 },
934
935 /*d0*/ { "", TRUE, BYTE, op2(o1, E), (char *)db_Grp2 },
936 /*d1*/ { "", TRUE, LONG, op2(o1, E), (char *)db_Grp2 },
937 /*d2*/ { "", TRUE, BYTE, op2(CL, E), (char *)db_Grp2 },
938 /*d3*/ { "", TRUE, LONG, op2(CL, E), (char *)db_Grp2 },
939 /*d4*/ { "aam", TRUE, NONE, 0, 0 },
940 /*d5*/ { "aad", TRUE, NONE, 0, 0 },
941 /*d6*/ { "", FALSE, NONE, 0, 0 },
942 /*d7*/ { "xlat", FALSE, BYTE, op1(BX), 0 },
943
944 /*d8*/ { "", TRUE, NONE, 0, (char *)db_Esc8 },
945 /*d9*/ { "", TRUE, NONE, 0, (char *)db_Esc9 },
946 /*da*/ { "", TRUE, NONE, 0, (char *)db_Esca },
947 /*db*/ { "", TRUE, NONE, 0, (char *)db_Escb },
948 /*dc*/ { "", TRUE, NONE, 0, (char *)db_Escc },
949 /*dd*/ { "", TRUE, NONE, 0, (char *)db_Escd },
950 /*de*/ { "", TRUE, NONE, 0, (char *)db_Esce },
951 /*df*/ { "", TRUE, NONE, 0, (char *)db_Escf },
952
953 /*e0*/ { "loopne",FALSE, NONE, op1(Db), 0 },
954 /*e1*/ { "loope", FALSE, NONE, op1(Db), 0 },
955 /*e2*/ { "loop", FALSE, NONE, op1(Db), 0 },
956 /*e3*/ { "jcxz", FALSE, SDEP, op1(Db), "jecxz" },
957 /*e4*/ { "in", FALSE, BYTE, op2(Ib, A), 0 },
958 /*e5*/ { "in", FALSE, LONG, op2(Ib, A) , 0 },
959 /*e6*/ { "out", FALSE, BYTE, op2(A, Ib), 0 },
960 /*e7*/ { "out", FALSE, LONG, op2(A, Ib) , 0 },
961
962 /*e8*/ { "call", FALSE, NONE, op1(Dl), 0 },
963 /*e9*/ { "jmp", FALSE, NONE, op1(Dl), 0 },
964 /*ea*/ { "ljmp", FALSE, NONE, op1(OS), 0 },
965 /*eb*/ { "jmp", FALSE, NONE, op1(Db), 0 },
966 /*ec*/ { "in", FALSE, BYTE, op2(DX, A), 0 },
967 /*ed*/ { "in", FALSE, LONG, op2(DX, A) , 0 },
968 /*ee*/ { "out", FALSE, BYTE, op2(A, DX), 0 },
969 /*ef*/ { "out", FALSE, LONG, op2(A, DX) , 0 },
970
971 /*f0*/ { "", FALSE, NONE, 0, 0 },
972 /*f1*/ { "", FALSE, NONE, 0, 0 },
973 /*f2*/ { "", FALSE, NONE, 0, 0 },
974 /*f3*/ { "", FALSE, NONE, 0, 0 },
975 /*f4*/ { "hlt", FALSE, NONE, 0, 0 },
976 /*f5*/ { "cmc", FALSE, NONE, 0, 0 },
977 /*f6*/ { "", TRUE, BYTE, 0, (char *)db_Grp3 },
978 /*f7*/ { "", TRUE, LONG, 0, (char *)db_Grp3 },
979
980 /*f8*/ { "clc", FALSE, NONE, 0, 0 },
981 /*f9*/ { "stc", FALSE, NONE, 0, 0 },
982 /*fa*/ { "cli", FALSE, NONE, 0, 0 },
983 /*fb*/ { "sti", FALSE, NONE, 0, 0 },
984 /*fc*/ { "cld", FALSE, NONE, 0, 0 },
985 /*fd*/ { "std", FALSE, NONE, 0, 0 },
986 /*fe*/ { "", TRUE, NONE, 0, (char *)db_Grp4 },
987 /*ff*/ { "", TRUE, NONE, 0, (char *)db_Grp5 },
988 };
989
990 static const struct inst db_bad_inst =
991 { "???", FALSE, NONE, 0, 0 }
992 ;
993
994 #define f_mod(byte) ((byte)>>6)
995 #define f_reg(byte) (((byte)>>3)&0x7)
996 #define f_rm(byte) ((byte)&0x7)
997
998 #define sib_ss(byte) ((byte)>>6)
999 #define sib_index(byte) (((byte)>>3)&0x7)
1000 #define sib_base(byte) ((byte)&0x7)
1001
1002 struct i_addr {
1003 int is_reg; /* if reg, reg number is in 'disp' */
1004 int disp;
1005 const char * base;
1006 const char * index;
1007 int ss;
1008 };
1009
1010 static const char * const db_index_reg_16[8] = {
1011 "%bx,%si",
1012 "%bx,%di",
1013 "%bp,%si",
1014 "%bp,%di",
1015 "%si",
1016 "%di",
1017 "%bp",
1018 "%bx"
1019 };
1020
1021 static const char * const db_reg[3][8] = {
1022 { "%al", "%cl", "%dl", "%bl", "%ah", "%ch", "%dh", "%bh" },
1023 { "%ax", "%cx", "%dx", "%bx", "%sp", "%bp", "%si", "%di" },
1024 { "%eax", "%ecx", "%edx", "%ebx", "%esp", "%ebp", "%esi", "%edi" }
1025 };
1026
1027 static const char * const db_seg_reg[8] = {
1028 "%es", "%cs", "%ss", "%ds", "%fs", "%gs", "", ""
1029 };
1030
1031 /*
1032 * lengths for size attributes
1033 */
1034 static const int db_lengths[] = {
1035 1, /* BYTE */
1036 2, /* WORD */
1037 4, /* LONG */
1038 8, /* QUAD */
1039 4, /* SNGL */
1040 8, /* DBLR */
1041 10, /* EXTR */
1042 };
1043
1044 static unsigned int db_get_task_value( const DBG_ADDR *addr,
1045 int size, int is_signed )
1046 {
1047 unsigned int result = 0;
1048 char buffer[4];
1049
1050 if (size != 1 && size != 2 && size != 4) {
1051 DEBUG_Printf(DBG_CHN_MESG, "Illegal size specified\n");
1052 } else {
1053 DEBUG_READ_MEM((void*)DEBUG_ToLinear( addr ), buffer, size);
1054
1055 switch(size)
1056 {
1057 case 4:
1058 if (is_signed) result = (unsigned int) *(int *)buffer;
1059 else result = *(unsigned int *)buffer;
1060 break;
1061 case 2:
1062 if (is_signed) result = (unsigned int) *(short int *)buffer;
1063 else result = *(unsigned short int *)buffer;
1064 break;
1065 case 1:
1066 if (is_signed) result = (unsigned int) *(char *)buffer;
1067 else result = *(unsigned char *)buffer;
1068 break;
1069 }
1070 }
1071 return result;
1072 }
1073
1074 #define get_value_inc(result, addr, size, is_signed) \
1075 result = db_get_task_value((addr), (size), (is_signed)); \
1076 if (!db_disasm_16) (addr)->off += (size); \
1077 else (addr)->off = ((addr)->off + (size)) & 0xffff;
1078
1079 /*
1080 * Read address at location and return updated location.
1081 */
1082 void db_read_address( DBG_ADDR *addr, int short_addr, int regmodrm,
1083 struct i_addr *addrp )
1084 {
1085 int mod, rm, sib, index, disp;
1086
1087 mod = f_mod(regmodrm);
1088 rm = f_rm(regmodrm);
1089
1090 if (mod == 3) {
1091 addrp->is_reg = TRUE;
1092 addrp->disp = rm;
1093 return;
1094 }
1095 addrp->is_reg = FALSE;
1096 addrp->index = 0;
1097
1098 if (short_addr) {
1099 addrp->index = 0;
1100 addrp->ss = 0;
1101 switch (mod) {
1102 case 0:
1103 if (rm == 6) {
1104 get_value_inc(disp, addr, 2, TRUE);
1105 addrp->disp = disp;
1106 addrp->base = 0;
1107 }
1108 else {
1109 addrp->disp = 0;
1110 addrp->base = db_index_reg_16[rm];
1111 }
1112 break;
1113 case 1:
1114 get_value_inc(disp, addr, 1, TRUE);
1115 addrp->disp = disp;
1116 addrp->base = db_index_reg_16[rm];
1117 break;
1118 case 2:
1119 get_value_inc(disp, addr, 2, TRUE);
1120 addrp->disp = disp;
1121 addrp->base = db_index_reg_16[rm];
1122 break;
1123 }
1124 }
1125 else {
1126 if (mod != 3 && rm == 4) {
1127 get_value_inc(sib, addr, 1, FALSE);
1128 rm = sib_base(sib);
1129 index = sib_index(sib);
1130 if (index != 4)
1131 addrp->index = db_reg[LONG][index];
1132 addrp->ss = sib_ss(sib);
1133 }
1134
1135 switch (mod) {
1136 case 0:
1137 if (rm == 5) {
1138 get_value_inc(addrp->disp, addr, 4, FALSE);
1139 addrp->base = 0;
1140 }
1141 else {
1142 addrp->disp = 0;
1143 addrp->base = db_reg[LONG][rm];
1144 }
1145 break;
1146
1147 case 1:
1148 get_value_inc(disp, addr, 1, TRUE);
1149 addrp->disp = disp;
1150 addrp->base = db_reg[LONG][rm];
1151 break;
1152
1153 case 2:
1154 get_value_inc(disp, addr, 4, FALSE);
1155 addrp->disp = disp;
1156 addrp->base = db_reg[LONG][rm];
1157 break;
1158 }
1159 }
1160 }
1161
1162 static void db_task_printsym(unsigned int addr, int size)
1163 {
1164 DBG_ADDR address;
1165
1166 address.seg = 0;
1167 address.off = addr;
1168
1169 DEBUG_PrintAddress( &address, db_disasm_16 ? MODE_16 : MODE_32, TRUE );
1170 }
1171
1172 void db_print_address(char *seg, int size, struct i_addr *addrp, int byref)
1173 {
1174 if (addrp->is_reg) {
1175 DEBUG_Printf(DBG_CHN_MESG,"%s", db_reg[size][addrp->disp]);
1176 return;
1177 }
1178
1179 if (seg) {
1180 DEBUG_Printf(DBG_CHN_MESG,"%s:", seg);
1181 }
1182
1183 if (addrp->base != 0 || addrp->index != 0) {
1184 DEBUG_Printf(DBG_CHN_MESG,"0x%x(", addrp->disp);
1185 if (addrp->base)
1186 DEBUG_Printf(DBG_CHN_MESG,"%s", addrp->base);
1187 if (addrp->index)
1188 DEBUG_Printf(DBG_CHN_MESG,",%s,%d", addrp->index, 1<<addrp->ss);
1189 DEBUG_Printf(DBG_CHN_MESG,")");
1190 }
1191 else {
1192
1193 /* try to get destination of indirect call
1194 does not work for segmented adresses */
1195 if (!seg && byref) {
1196 void* a1;
1197 void* a2;
1198
1199 DEBUG_Printf(DBG_CHN_MESG,"0x%x -> ", addrp->disp);
1200 if (!DEBUG_READ_MEM((void*)addrp->disp, &a1, sizeof(a1))) {
1201 DEBUG_Printf(DBG_CHN_MESG, "(invalid source)");
1202 } else if (!DEBUG_READ_MEM(a1, &a2, sizeof(a2))) {
1203 DEBUG_Printf(DBG_CHN_MESG, "(invalid destination)");
1204 } else {
1205 db_task_printsym((unsigned long)a1, 0);
1206 }
1207 }
1208 else
1209 db_task_printsym(addrp->disp, size);
1210 }
1211 }
1212
1213 /*
1214 * Disassemble floating-point ("escape") instruction
1215 * and return updated location.
1216 */
1217 void db_disasm_esc( DBG_ADDR *addr, int inst, int short_addr,
1218 int size, char *seg )
1219 {
1220 int regmodrm;
1221 const struct finst *fp;
1222 int mod;
1223 struct i_addr address;
1224 const char * name;
1225
1226 get_value_inc(regmodrm, addr, 1, FALSE);
1227 if( !db_display )
1228 {
1229 return;
1230 }
1231
1232 fp = &db_Esc_inst[inst - 0xd8][f_reg(regmodrm)];
1233 mod = f_mod(regmodrm);
1234 if (mod != 3) {
1235 /*
1236 * Normal address modes.
1237 */
1238 db_read_address( addr, short_addr, regmodrm, &address);
1239 DEBUG_Printf(DBG_CHN_MESG,fp->f_name);
1240 switch(fp->f_size) {
1241 case SNGL:
1242 DEBUG_Printf(DBG_CHN_MESG,"s");
1243 break;
1244 case DBLR:
1245 DEBUG_Printf(DBG_CHN_MESG,"l");
1246 break;
1247 case EXTR:
1248 DEBUG_Printf(DBG_CHN_MESG,"t");
1249 break;
1250 case WORD:
1251 DEBUG_Printf(DBG_CHN_MESG,"s");
1252 break;
1253 case LONG:
1254 DEBUG_Printf(DBG_CHN_MESG,"l");
1255 break;
1256 case QUAD:
1257 DEBUG_Printf(DBG_CHN_MESG,"q");
1258 break;
1259 default:
1260 break;
1261 }
1262 DEBUG_Printf(DBG_CHN_MESG,"\t");
1263 db_print_address(seg, BYTE, &address, 0);
1264 }
1265 else {
1266 /*
1267 * 'reg-reg' - special formats
1268 */
1269 switch (fp->f_rrmode) {
1270 case op2(ST,STI):
1271 name = (fp->f_rrname) ? fp->f_rrname : fp->f_name;
1272 DEBUG_Printf(DBG_CHN_MESG,"%s\t%%st,%%st(%d)",name,f_rm(regmodrm));
1273 break;
1274 case op2(STI,ST):
1275 name = (fp->f_rrname) ? fp->f_rrname : fp->f_name;
1276 DEBUG_Printf(DBG_CHN_MESG,"%s\t%%st(%d),%%st",name, f_rm(regmodrm));
1277 break;
1278 case op1(STI):
1279 name = (fp->f_rrname) ? fp->f_rrname : fp->f_name;
1280 DEBUG_Printf(DBG_CHN_MESG,"%s\t%%st(%d)",name, f_rm(regmodrm));
1281 break;
1282 case op1(X):
1283 DEBUG_Printf(DBG_CHN_MESG,"%s", ((char **)fp->f_rrname)[f_rm(regmodrm)]);
1284 break;
1285 case op1(XA):
1286 DEBUG_Printf(DBG_CHN_MESG,"%s\t%%ax",
1287 ((char **)fp->f_rrname)[f_rm(regmodrm)]);
1288 break;
1289 default:
1290 DEBUG_Printf(DBG_CHN_MESG,"<bad instruction>");
1291 break;
1292 }
1293 }
1294 }
1295
1296
1297 /***********************************************************************
1298 * DEBUG_Disasm
1299 *
1300 * Disassemble instruction at 'addr'. addr is changed to point to the
1301 * start of the next instruction.
1302 */
1303 void DEBUG_Disasm( DBG_ADDR *addr, int display )
1304 {
1305 int inst;
1306 int size;
1307 int short_addr;
1308 char * seg;
1309 const struct inst *ip;
1310 const char *i_name;
1311 int i_size;
1312 int i_mode;
1313 int regmodrm = 0;
1314 BOOL first;
1315 int displ;
1316 int prefix;
1317 int imm;
1318 int len;
1319 struct i_addr address;
1320
1321 /*
1322 * Set this so we get can supress the printout if we need to.
1323 */
1324 db_display = display;
1325 switch (DEBUG_GetSelectorType(addr->seg))
1326 {
1327 case MODE_VM86:
1328 case MODE_16: db_disasm_16 = 1; break;
1329 case MODE_32: db_disasm_16 = 0; break;
1330 default: DEBUG_Printf(DBG_CHN_MESG, "Bad selector %lx\n", addr->seg); return;
1331 }
1332
1333 get_value_inc( inst, addr, 1, FALSE );
1334
1335 if (db_disasm_16) {
1336 short_addr = TRUE;
1337 size = WORD;
1338 }
1339 else {
1340 short_addr = FALSE;
1341 size = LONG;
1342 }
1343 seg = 0;
1344
1345 /*
1346 * Get prefixes
1347 */
1348 prefix = TRUE;
1349 do {
1350 switch (inst) {
1351 case 0x66: /* data16 */
1352 if (size == LONG)
1353 size = WORD;
1354 else
1355 size = LONG;
1356 break;
1357 case 0x67:
1358 short_addr = !short_addr;
1359 break;
1360 case 0x26:
1361 seg = "%es";
1362 break;
1363 case 0x36:
1364 seg = "%ss";
1365 break;
1366 case 0x2e:
1367 seg = "%cs";
1368 break;
1369 case 0x3e:
1370 seg = "%ds";
1371 break;
1372 case 0x64:
1373 seg = "%fs";
1374 break;
1375 case 0x65:
1376 seg = "%gs";
1377 break;
1378 case 0xf0:
1379 if( db_display )
1380 DEBUG_Printf(DBG_CHN_MESG,"lock ");
1381 break;
1382 case 0xf2:
1383 if( db_display )
1384 DEBUG_Printf(DBG_CHN_MESG,"repne ");
1385 break;
1386 case 0xf3:
1387 if( db_display )
1388 DEBUG_Printf(DBG_CHN_MESG,"repe "); /* XXX repe VS rep */
1389 break;
1390 default:
1391 prefix = FALSE;
1392 break;
1393 }
1394 if (prefix) {
1395 get_value_inc(inst, addr, 1, FALSE);
1396 }
1397 } while (prefix);
1398
1399 if (inst >= 0xd8 && inst <= 0xdf)
1400 {
1401 db_disasm_esc( addr, inst, short_addr, size, seg);
1402 return;
1403 }
1404
1405 if (inst == 0x0f) {
1406 get_value_inc(inst, addr, 1, FALSE);
1407 ip = db_inst_0f[inst>>4];
1408 if (ip == 0) {
1409 ip = &db_bad_inst;
1410 }
1411 else {
1412 ip = &ip[inst&0xf];
1413 }
1414 }
1415 else
1416 ip = &db_inst_table[inst];
1417
1418 if (ip->i_has_modrm) {
1419 get_value_inc(regmodrm, addr, 1, FALSE);
1420 db_read_address( addr, short_addr, regmodrm, &address);
1421 }
1422
1423 i_name = ip->i_name;
1424 i_size = ip->i_size;
1425 i_mode = ip->i_mode;
1426
1427 if (ip->i_extra == (char *)db_Grp1 ||
1428 ip->i_extra == (char *)db_Grp2 ||
1429 ip->i_extra == (char *)db_Grp6 ||
1430 ip->i_extra == (char *)db_Grp7 ||
1431 ip->i_extra == (char *)db_Grp8 ||
1432 ip->i_extra == (char *)db_Grp10 ||
1433 ip->i_extra == (char *)db_Grp11 ||
1434 ip->i_extra == (char *)db_Grp12) {
1435 i_name = ((char **)ip->i_extra)[f_reg(regmodrm)];
1436 }
1437 else if (ip->i_extra == (char *)db_Grp3) {
1438 ip = (struct inst *)ip->i_extra;
1439 ip = &ip[f_reg(regmodrm)];
1440 i_name = ip->i_name;
1441 i_mode = ip->i_mode;
1442 }
1443 else if (ip->i_extra == (char *)db_Grp4 ||
1444 ip->i_extra == (char *)db_Grp5) {
1445 ip = (struct inst *)ip->i_extra;
1446 ip = &ip[f_reg(regmodrm)];
1447 i_name = ip->i_name;
1448 i_mode = ip->i_mode;
1449 i_size = ip->i_size;
1450 }
1451
1452 if (i_size == SDEP) {
1453 if( db_display )
1454 {
1455 if (size == WORD)
1456 DEBUG_Printf(DBG_CHN_MESG,i_name);
1457 else
1458 DEBUG_Printf(DBG_CHN_MESG,ip->i_extra);
1459 }
1460 }
1461 else {
1462 if( db_display )
1463 {
1464 DEBUG_Printf(DBG_CHN_MESG,i_name);
1465 }
1466 if (i_size != NONE) {
1467 if (i_size == BYTE) {
1468 if( db_display )
1469 {
1470 DEBUG_Printf(DBG_CHN_MESG,"b");
1471 }
1472 size = BYTE;
1473 }
1474 else if (i_size == WORD) {
1475 if( db_display )
1476 {
1477 DEBUG_Printf(DBG_CHN_MESG,"w");
1478 }
1479 size = WORD;
1480 }
1481 else if (size == WORD)
1482 {
1483 if( db_display )
1484 {
1485 DEBUG_Printf(DBG_CHN_MESG,"w");
1486 }
1487 }
1488 else
1489 {
1490 if( db_display )
1491 {
1492 DEBUG_Printf(DBG_CHN_MESG,"l");
1493 }
1494 }
1495 }
1496 }
1497 if( db_display )
1498 {
1499 DEBUG_Printf(DBG_CHN_MESG,"\t");
1500 }
1501 for (first = TRUE;
1502 i_mode != 0;
1503 i_mode >>= 8, first = FALSE)
1504 {
1505 if (!first && db_display)
1506 DEBUG_Printf(DBG_CHN_MESG,",");
1507
1508 switch (i_mode & 0xFF) {
1509
1510 case E:
1511 if( db_display )
1512 {
1513 db_print_address(seg, size, &address, 0);
1514 }
1515 break;
1516
1517 case Eind:
1518 if( db_display )
1519 {
1520 DEBUG_Printf(DBG_CHN_MESG,"*");
1521 db_print_address(seg, size, &address, 1);
1522 }
1523 break;
1524
1525 case Ew:
1526 if( db_display )
1527 {
1528 db_print_address(seg, WORD, &address, 0);
1529 }
1530 break;
1531
1532 case Eb:
1533 if( db_display )
1534 {
1535 db_print_address(seg, BYTE, &address, 0);
1536 }
1537 break;
1538
1539 case R:
1540 if( db_display )
1541 {
1542 DEBUG_Printf(DBG_CHN_MESG,"%s", db_reg[size][f_reg(regmodrm)]);
1543 }
1544 break;
1545 case MX:
1546 if( db_display )
1547 {
1548 DEBUG_Printf(DBG_CHN_MESG,"%%mm%d", f_reg(regmodrm));
1549 }
1550 break;
1551 case EMX:
1552 if( db_display )
1553 {
1554 DEBUG_Printf(DBG_CHN_MESG,"%%mm%d", f_rm(regmodrm));
1555 }
1556 break;
1557
1558
1559 case Rw:
1560 if( db_display )
1561 {
1562 DEBUG_Printf(DBG_CHN_MESG,"%s", db_reg[WORD][f_reg(regmodrm)]);
1563 }
1564 break;
1565
1566 case Ri:
1567 if( db_display )
1568 {
1569 DEBUG_Printf(DBG_CHN_MESG,"%s", db_reg[size][f_rm(inst)]);
1570 }
1571 break;
1572
1573 case S:
1574 if( db_display )
1575 {
1576 DEBUG_Printf(DBG_CHN_MESG,"%s", db_seg_reg[f_reg(regmodrm)]);
1577 }
1578 break;
1579
1580 case Si:
1581 if( db_display )
1582 {
1583 DEBUG_Printf(DBG_CHN_MESG,"%s", db_seg_reg[f_reg(inst)]);
1584 }
1585 break;
1586
1587 case A:
1588 if( db_display )
1589 {
1590 DEBUG_Printf(DBG_CHN_MESG,"%s", db_reg[size][0]); /* acc */
1591 }
1592 break;
1593
1594 case BX:
1595 if( db_display )
1596 {
1597 if (seg)
1598 DEBUG_Printf(DBG_CHN_MESG,"%s:", seg);
1599 DEBUG_Printf(DBG_CHN_MESG,"(%s)", short_addr ? "%bx" : "%ebx");
1600 }
1601 break;
1602
1603 case CL:
1604 if( db_display )
1605 {
1606 DEBUG_Printf(DBG_CHN_MESG,"%%cl");
1607 }
1608 break;
1609
1610 case DX:
1611 if( db_display )
1612 {
1613 DEBUG_Printf(DBG_CHN_MESG,"%%dx");
1614 }
1615 break;
1616
1617 case SI:
1618 if( db_display )
1619 {
1620 if (seg)
1621 DEBUG_Printf(DBG_CHN_MESG,"%s:", seg);
1622 DEBUG_Printf(DBG_CHN_MESG,"(%s)", short_addr ? "%si" : "%esi");
1623 }
1624 break;
1625
1626 case DI:
1627 if( db_display )
1628 {
1629 DEBUG_Printf(DBG_CHN_MESG,"%%es:(%s)", short_addr ? "%di" : "%edi");
1630 }
1631 break;
1632
1633 case CR:
1634 if( db_display )
1635 {
1636 DEBUG_Printf(DBG_CHN_MESG,"%%cr%d", f_reg(regmodrm));
1637 }
1638 break;
1639
1640 case DR:
1641 if( db_display )
1642 {
1643 DEBUG_Printf(DBG_CHN_MESG,"%%dr%d", f_reg(regmodrm));
1644 }
1645 break;
1646
1647 case TR:
1648 if( db_display )
1649 {
1650 DEBUG_Printf(DBG_CHN_MESG,"%%tr%d", f_reg(regmodrm));
1651 }
1652 break;
1653
1654 case I:
1655 len = db_lengths[size];
1656 get_value_inc(imm, addr, len, FALSE);/* unsigned */
1657 if( db_display )
1658 {
1659 DEBUG_Printf(DBG_CHN_MESG,"$0x%x", imm);
1660 }
1661 break;
1662
1663 case Is:
1664 len = db_lengths[size];
1665 get_value_inc(imm, addr, len, TRUE); /* signed */
1666 if( db_display )
1667 {
1668 DEBUG_Printf(DBG_CHN_MESG,"$%d", imm);
1669 }
1670 break;
1671
1672 case Ib:
1673 get_value_inc(imm, addr, 1, FALSE); /* unsigned */
1674 if( db_display )
1675 {
1676 DEBUG_Printf(DBG_CHN_MESG,"$0x%x", imm);
1677 }
1678 break;
1679
1680 case Ibs:
1681 get_value_inc(imm, addr, 1, TRUE); /* signed */
1682 if( db_display )
1683 {
1684 DEBUG_Printf(DBG_CHN_MESG,"$%d", imm);
1685 }
1686 break;
1687
1688 case Iw:
1689 get_value_inc(imm, addr, 2, FALSE); /* unsigned */
1690 if( db_display )
1691 {
1692 DEBUG_Printf(DBG_CHN_MESG,"$0x%x", imm);
1693 }
1694 break;
1695
1696 case Il:
1697 get_value_inc(imm, addr, 4, FALSE);
1698 if( db_display )
1699 {
1700 DEBUG_Printf(DBG_CHN_MESG,"$0x%x", imm);
1701 }
1702 break;
1703
1704 case O:
1705 if (short_addr) {
1706 get_value_inc(displ, addr, 2, TRUE);
1707 }
1708 else {
1709 get_value_inc(displ, addr, 4, TRUE);
1710 }
1711 if( !db_display )
1712 {
1713 break;
1714 }
1715
1716 if (seg)
1717 DEBUG_Printf(DBG_CHN_MESG,"%s:0x%x",seg, displ);
1718 else
1719 db_task_printsym(displ, short_addr ? WORD : LONG);
1720 break;
1721
1722 case Db:
1723 get_value_inc(displ, addr, 1, TRUE);
1724 if( !db_display )
1725 {
1726 break;
1727 }
1728
1729 if (size == WORD) {
1730 /* offset only affects low 16 bits */
1731 displ = (addr->off & 0xffff0000)
1732 | ((addr->off + displ) & 0xffff);
1733 }
1734 else displ += addr->off;
1735 db_task_printsym(displ, size);
1736 break;
1737
1738 case Dl:
1739 if (size == WORD) {
1740 get_value_inc(displ, addr, 2, TRUE);
1741 /* offset only affects low 16 bits */
1742 displ = (addr->off & 0xffff0000)
1743 | ((addr->off + displ) & 0xffff);
1744 }
1745 else {
1746 get_value_inc(displ, addr, 4, TRUE);
1747 displ += addr->off;
1748 }
1749 if( !db_display )
1750 {
1751 break;
1752 }
1753 db_task_printsym( displ, size );
1754 break;
1755
1756 case o1:
1757 if( db_display )
1758 {
1759 DEBUG_Printf(DBG_CHN_MESG,"$1");
1760 }
1761 break;
1762
1763 case o3:
1764 if( db_display )
1765 {
1766 DEBUG_Printf(DBG_CHN_MESG,"$3");
1767 }
1768 break;
1769
1770 case OS:
1771 {
1772 DBG_ADDR address;
1773 get_value_inc( address.off, addr, /* offset */
1774 short_addr ? 2 : 4, FALSE );
1775 get_value_inc( address.seg, addr, /* segment */
1776 2, FALSE );
1777 if( db_display )
1778 {
1779 DEBUG_PrintAddress( &address, short_addr ? MODE_16 : MODE_32, TRUE );
1780 }
1781
1782 }
1783 break;
1784 }
1785 }
1786 }
1787
1788 #else /* __i386__ */
1789
1790 void DEBUG_Disasm( DBG_ADDR *addr, int display )
1791 {
1792 }
1793
1794 #endif /* __i386__ */
1795