1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
|
// Copyright (C) 2017 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#include "instruction_decoder.h"
#include "dex/dex_instruction_list.h"
#include <android-base/logging.h>
namespace titrace {
class ClassInstructionDecoder : public InstructionDecoder {
public:
size_t GetMaximumOpcode() override {
return 0xff;
}
const char* GetName(size_t opcode) override {
Bytecode::Opcode op = static_cast<Bytecode::Opcode>(opcode);
return Bytecode::ToString(op);
}
size_t LocationToOffset(size_t j_location) override {
return j_location;
}
private:
class Bytecode {
public:
enum Opcode {
// Java bytecode opcodes from 0x00 to 0xFF.
kNop = 0x00,
kAconst_null = 0x01,
kIconst_m1 = 0x02,
kIconst_0 = 0x03,
kIconst_1 = 0x04,
kIconst_2 = 0x05,
kIconst_3 = 0x06,
kIconst_4 = 0x07,
kIconst_5 = 0x08,
kLconst_0 = 0x09,
kLconst_1 = 0x0a,
kFconst_0 = 0x0b,
kFconst_1 = 0x0c,
kFconst_2 = 0x0d,
kDconst_0 = 0x0e,
kDconst_1 = 0x0f,
kBipush = 0x10,
kSipush = 0x11,
kLdc = 0x12,
kLdc_w = 0x13,
kLdc2_w = 0x14,
kIload = 0x15,
kLload = 0x16,
kFload = 0x17,
kDload = 0x18,
kAload = 0x19,
kIload_0 = 0x1a,
kIload_1 = 0x1b,
kIload_2 = 0x1c,
kIload_3 = 0x1d,
kLload_0 = 0x1e,
kLload_1 = 0x1f,
kLload_2 = 0x20,
kLload_3 = 0x21,
kFload_0 = 0x22,
kFload_1 = 0x23,
kFload_2 = 0x24,
kFload_3 = 0x25,
kDload_0 = 0x26,
kDload_1 = 0x27,
kDload_2 = 0x28,
kDload_3 = 0x29,
kAload_0 = 0x2a,
kAload_1 = 0x2b,
kAload_2 = 0x2c,
kAload_3 = 0x2d,
kIaload = 0x2e,
kLaload = 0x2f,
kFaload = 0x30,
kDaload = 0x31,
kAaload = 0x32,
kBaload = 0x33,
kCaload = 0x34,
kSaload = 0x35,
kIstore = 0x36,
kLstore = 0x37,
kFstore = 0x38,
kDstore = 0x39,
kAstore = 0x3a,
kIstore_0 = 0x3b,
kIstore_1 = 0x3c,
kIstore_2 = 0x3d,
kIstore_3 = 0x3e,
kLstore_0 = 0x3f,
kLstore_1 = 0x40,
kLstore_2 = 0x41,
kLstore_3 = 0x42,
kFstore_0 = 0x43,
kFstore_1 = 0x44,
kFstore_2 = 0x45,
kFstore_3 = 0x46,
kDstore_0 = 0x47,
kDstore_1 = 0x48,
kDstore_2 = 0x49,
kDstore_3 = 0x4a,
kAstore_0 = 0x4b,
kAstore_1 = 0x4c,
kAstore_2 = 0x4d,
kAstore_3 = 0x4e,
kIastore = 0x4f,
kLastore = 0x50,
kFastore = 0x51,
kDastore = 0x52,
kAastore = 0x53,
kBastore = 0x54,
kCastore = 0x55,
kSastore = 0x56,
kPop = 0x57,
kPop2 = 0x58,
kDup = 0x59,
kDup_x1 = 0x5a,
kDup_x2 = 0x5b,
kDup2 = 0x5c,
kDup2_x1 = 0x5d,
kDup2_x2 = 0x5e,
kSwap = 0x5f,
kIadd = 0x60,
kLadd = 0x61,
kFadd = 0x62,
kDadd = 0x63,
kIsub = 0x64,
kLsub = 0x65,
kFsub = 0x66,
kDsub = 0x67,
kImul = 0x68,
kLmul = 0x69,
kFmul = 0x6a,
kDmul = 0x6b,
kIdiv = 0x6c,
kLdiv = 0x6d,
kFdiv = 0x6e,
kDdiv = 0x6f,
kIrem = 0x70,
kLrem = 0x71,
kFrem = 0x72,
kDrem = 0x73,
kIneg = 0x74,
kLneg = 0x75,
kFneg = 0x76,
kDneg = 0x77,
kIshl = 0x78,
kLshl = 0x79,
kIshr = 0x7a,
kLshr = 0x7b,
kIushr = 0x7c,
kLushr = 0x7d,
kIand = 0x7e,
kLand = 0x7f,
kIor = 0x80,
kLor = 0x81,
kIxor = 0x82,
kLxor = 0x83,
kIinc = 0x84,
kI2l = 0x85,
kI2f = 0x86,
kI2d = 0x87,
kL2i = 0x88,
kL2f = 0x89,
kL2d = 0x8a,
kF2i = 0x8b,
kF2l = 0x8c,
kF2d = 0x8d,
kD2i = 0x8e,
kD2l = 0x8f,
kD2f = 0x90,
kI2b = 0x91,
kI2c = 0x92,
kI2s = 0x93,
kLcmp = 0x94,
kFcmpl = 0x95,
kFcmpg = 0x96,
kDcmpl = 0x97,
kDcmpg = 0x98,
kIfeq = 0x99,
kIfne = 0x9a,
kIflt = 0x9b,
kIfge = 0x9c,
kIfgt = 0x9d,
kIfle = 0x9e,
kIf_icmpeq = 0x9f,
kIf_icmpne = 0xa0,
kIf_icmplt = 0xa1,
kIf_icmpge = 0xa2,
kIf_icmpgt = 0xa3,
kIf_icmple = 0xa4,
kIf_acmpeq = 0xa5,
kIf_acmpne = 0xa6,
kGoto = 0xa7,
kJsr = 0xa8,
kRet = 0xa9,
kTableswitch = 0xaa,
kLookupswitch = 0xab,
kIreturn = 0xac,
kLreturn = 0xad,
kFreturn = 0xae,
kDreturn = 0xaf,
kAreturn = 0xb0,
kReturn = 0xb1,
kGetstatic = 0xb2,
kPutstatic = 0xb3,
kGetfield = 0xb4,
kPutfield = 0xb5,
kInvokevirtual = 0xb6,
kInvokespecial = 0xb7,
kInvokestatic = 0xb8,
kInvokeinterface = 0xb9,
kInvokedynamic = 0xba,
kNew = 0xbb,
kNewarray = 0xbc,
kAnewarray = 0xbd,
kArraylength = 0xbe,
kAthrow = 0xbf,
kCheckcast = 0xc0,
kInstanceof = 0xc1,
kMonitorenter = 0xc2,
kMonitorexit = 0xc3,
kWide = 0xc4,
kMultianewarray = 0xc5,
kIfnull = 0xc6,
kIfnonnull = 0xc7,
kGoto_w = 0xc8,
kJsr_w = 0xc9,
kBreakpoint = 0xca,
// Instructions 0xcb-0xfd are undefined.
kImpdep1 = 0xfe,
kImpdep2 = 0xff,
};
static const char* ToString(Bytecode::Opcode op) {
switch (op) {
case kNop: return "nop";
case kAconst_null: return "aconst_null";
case kIconst_m1: return "iconst_m1";
case kIconst_0: return "iconst_0";
case kIconst_1: return "iconst_1";
case kIconst_2: return "iconst_2";
case kIconst_3: return "iconst_3";
case kIconst_4: return "iconst_4";
case kIconst_5: return "iconst_5";
case kLconst_0: return "lconst_0";
case kLconst_1: return "lconst_1";
case kFconst_0: return "fconst_0";
case kFconst_1: return "fconst_1";
case kFconst_2: return "fconst_2";
case kDconst_0: return "dconst_0";
case kDconst_1: return "dconst_1";
case kBipush: return "bipush";
case kSipush: return "sipush";
case kLdc: return "ldc";
case kLdc_w: return "ldc_w";
case kLdc2_w: return "ldc2_w";
case kIload: return "iload";
case kLload: return "lload";
case kFload: return "fload";
case kDload: return "dload";
case kAload: return "aload";
case kIload_0: return "iload_0";
case kIload_1: return "iload_1";
case kIload_2: return "iload_2";
case kIload_3: return "iload_3";
case kLload_0: return "lload_0";
case kLload_1: return "lload_1";
case kLload_2: return "lload_2";
case kLload_3: return "lload_3";
case kFload_0: return "fload_0";
case kFload_1: return "fload_1";
case kFload_2: return "fload_2";
case kFload_3: return "fload_3";
case kDload_0: return "dload_0";
case kDload_1: return "dload_1";
case kDload_2: return "dload_2";
case kDload_3: return "dload_3";
case kAload_0: return "aload_0";
case kAload_1: return "aload_1";
case kAload_2: return "aload_2";
case kAload_3: return "aload_3";
case kIaload: return "iaload";
case kLaload: return "laload";
case kFaload: return "faload";
case kDaload: return "daload";
case kAaload: return "aaload";
case kBaload: return "baload";
case kCaload: return "caload";
case kSaload: return "saload";
case kIstore: return "istore";
case kLstore: return "lstore";
case kFstore: return "fstore";
case kDstore: return "dstore";
case kAstore: return "astore";
case kIstore_0: return "istore_0";
case kIstore_1: return "istore_1";
case kIstore_2: return "istore_2";
case kIstore_3: return "istore_3";
case kLstore_0: return "lstore_0";
case kLstore_1: return "lstore_1";
case kLstore_2: return "lstore_2";
case kLstore_3: return "lstore_3";
case kFstore_0: return "fstore_0";
case kFstore_1: return "fstore_1";
case kFstore_2: return "fstore_2";
case kFstore_3: return "fstore_3";
case kDstore_0: return "dstore_0";
case kDstore_1: return "dstore_1";
case kDstore_2: return "dstore_2";
case kDstore_3: return "dstore_3";
case kAstore_0: return "astore_0";
case kAstore_1: return "astore_1";
case kAstore_2: return "astore_2";
case kAstore_3: return "astore_3";
case kIastore: return "iastore";
case kLastore: return "lastore";
case kFastore: return "fastore";
case kDastore: return "dastore";
case kAastore: return "aastore";
case kBastore: return "bastore";
case kCastore: return "castore";
case kSastore: return "sastore";
case kPop: return "pop";
case kPop2: return "pop2";
case kDup: return "dup";
case kDup_x1: return "dup_x1";
case kDup_x2: return "dup_x2";
case kDup2: return "dup2";
case kDup2_x1: return "dup2_x1";
case kDup2_x2: return "dup2_x2";
case kSwap: return "swap";
case kIadd: return "iadd";
case kLadd: return "ladd";
case kFadd: return "fadd";
case kDadd: return "dadd";
case kIsub: return "isub";
case kLsub: return "lsub";
case kFsub: return "fsub";
case kDsub: return "dsub";
case kImul: return "imul";
case kLmul: return "lmul";
case kFmul: return "fmul";
case kDmul: return "dmul";
case kIdiv: return "idiv";
case kLdiv: return "ldiv";
case kFdiv: return "fdiv";
case kDdiv: return "ddiv";
case kIrem: return "irem";
case kLrem: return "lrem";
case kFrem: return "frem";
case kDrem: return "drem";
case kIneg: return "ineg";
case kLneg: return "lneg";
case kFneg: return "fneg";
case kDneg: return "dneg";
case kIshl: return "ishl";
case kLshl: return "lshl";
case kIshr: return "ishr";
case kLshr: return "lshr";
case kIushr: return "iushr";
case kLushr: return "lushr";
case kIand: return "iand";
case kLand: return "land";
case kIor: return "ior";
case kLor: return "lor";
case kIxor: return "ixor";
case kLxor: return "lxor";
case kIinc: return "iinc";
case kI2l: return "i2l";
case kI2f: return "i2f";
case kI2d: return "i2d";
case kL2i: return "l2i";
case kL2f: return "l2f";
case kL2d: return "l2d";
case kF2i: return "f2i";
case kF2l: return "f2l";
case kF2d: return "f2d";
case kD2i: return "d2i";
case kD2l: return "d2l";
case kD2f: return "d2f";
case kI2b: return "i2b";
case kI2c: return "i2c";
case kI2s: return "i2s";
case kLcmp: return "lcmp";
case kFcmpl: return "fcmpl";
case kFcmpg: return "fcmpg";
case kDcmpl: return "dcmpl";
case kDcmpg: return "dcmpg";
case kIfeq: return "ifeq";
case kIfne: return "ifne";
case kIflt: return "iflt";
case kIfge: return "ifge";
case kIfgt: return "ifgt";
case kIfle: return "ifle";
case kIf_icmpeq: return "if_icmpeq";
case kIf_icmpne: return "if_icmpne";
case kIf_icmplt: return "if_icmplt";
case kIf_icmpge: return "if_icmpge";
case kIf_icmpgt: return "if_icmpgt";
case kIf_icmple: return "if_icmple";
case kIf_acmpeq: return "if_acmpeq";
case kIf_acmpne: return "if_acmpne";
case kGoto: return "goto";
case kJsr: return "jsr";
case kRet: return "ret";
case kTableswitch: return "tableswitch";
case kLookupswitch: return "lookupswitch";
case kIreturn: return "ireturn";
case kLreturn: return "lreturn";
case kFreturn: return "freturn";
case kDreturn: return "dreturn";
case kAreturn: return "areturn";
case kReturn: return "return";
case kGetstatic: return "getstatic";
case kPutstatic: return "putstatic";
case kGetfield: return "getfield";
case kPutfield: return "putfield";
case kInvokevirtual: return "invokevirtual";
case kInvokespecial: return "invokespecial";
case kInvokestatic: return "invokestatic";
case kInvokeinterface: return "invokeinterface";
case kInvokedynamic: return "invokedynamic";
case kNew: return "new";
case kNewarray: return "newarray";
case kAnewarray: return "anewarray";
case kArraylength: return "arraylength";
case kAthrow: return "athrow";
case kCheckcast: return "checkcast";
case kInstanceof: return "instanceof";
case kMonitorenter: return "monitorenter";
case kMonitorexit: return "monitorexit";
case kWide: return "wide";
case kMultianewarray: return "multianewarray";
case kIfnull: return "ifnull";
case kIfnonnull: return "ifnonnull";
case kGoto_w: return "goto_w";
case kJsr_w: return "jsr_w";
case kBreakpoint: return "breakpoint";
case kImpdep1: return "impdep1";
case kImpdep2: return "impdep2";
default:
LOG(FATAL) << "Unknown opcode " << op;
__builtin_unreachable();
}
}
};
};
class DexInstructionDecoder : public InstructionDecoder {
public:
size_t GetMaximumOpcode() override {
return 0xff;
}
const char* GetName(size_t opcode) override {
Bytecode::Opcode op = static_cast<Bytecode::Opcode>(opcode);
return Bytecode::ToString(op);
}
size_t LocationToOffset(size_t j_location) override {
// dex pc is uint16_t*, but offset needs to be in bytes.
return j_location * (sizeof(uint16_t) / sizeof(uint8_t));
}
private:
class Bytecode {
public:
enum Opcode {
#define MAKE_ENUM_DEFINITION(opcode, instruction_code, name, format, index, flags, extended_flags, verifier_flags) \
instruction_code = opcode, /* NOLINT */
DEX_INSTRUCTION_LIST(MAKE_ENUM_DEFINITION)
#undef MAKE_ENUM_DEFINITION
};
static_assert(static_cast<uint32_t>(Bytecode::Opcode::NOP) == 0, "");
static_assert(static_cast<uint32_t>(Bytecode::Opcode::MOVE) == 1, "");
static const char* ToString(Bytecode::Opcode op) {
switch (op) {
#define MAKE_ENUM_DEFINITION(opcode, instruction_code, name, format, index, flags, extended_flags, verifier_flags) \
case instruction_code: return (name);
DEX_INSTRUCTION_LIST(MAKE_ENUM_DEFINITION)
#undef MAKE_ENUM_DEFINITION
default: LOG(FATAL) << "Unknown opcode " << op;
}
__builtin_unreachable();
}
};
};
InstructionDecoder* InstructionDecoder::NewInstance(InstructionFileFormat file_format) {
switch (file_format) {
case InstructionFileFormat::kClass:
return new ClassInstructionDecoder();
case InstructionFileFormat::kDex:
return new DexInstructionDecoder();
default:
return nullptr;
}
}
} // namespace titrace
|
