Coverage Report

Created: 2023-09-25 06:24

/src/capstonev5/arch/SystemZ/SystemZInstPrinter.c
Line
Count
Source (jump to first uncovered line)
1
//===-- SystemZInstPrinter.cpp - Convert SystemZ MCInst to assembly syntax --------===//
2
//
3
//                     The LLVM Compiler Infrastructure
4
//
5
// This file is distributed under the University of Illinois Open Source
6
// License. See LICENSE.TXT for details.
7
//
8
//===----------------------------------------------------------------------===//
9
//
10
// This class prints an SystemZ MCInst to a .s file.
11
//
12
//===----------------------------------------------------------------------===//
13
14
/* Capstone Disassembly Engine */
15
/* By Nguyen Anh Quynh <aquynh@gmail.com>, 2013-2015 */
16
17
#ifdef CAPSTONE_HAS_SYSZ
18
19
#include <stdio.h>
20
#include <stdlib.h>
21
#include <string.h>
22
#include <capstone/platform.h>
23
24
#include "SystemZInstPrinter.h"
25
#include "../../MCInst.h"
26
#include "../../utils.h"
27
#include "../../SStream.h"
28
#include "../../MCRegisterInfo.h"
29
#include "../../MathExtras.h"
30
#include "SystemZMapping.h"
31
32
static const char *getRegisterName(unsigned RegNo);
33
34
void SystemZ_post_printer(csh ud, cs_insn *insn, char *insn_asm, MCInst *mci)
35
28.4k
{
36
  /*
37
     if (((cs_struct *)ud)->detail != CS_OPT_ON)
38
     return;
39
   */
40
28.4k
}
41
42
static void printAddress(MCInst *MI, unsigned Base, int64_t Disp, unsigned Index, SStream *O)
43
10.8k
{
44
10.8k
  printInt64(O, Disp);
45
46
10.8k
  if (Base) {
47
8.99k
    SStream_concat0(O, "(");
48
8.99k
    if (Index)
49
4.05k
      SStream_concat(O, "%%%s, ", getRegisterName(Index));
50
8.99k
    SStream_concat(O, "%%%s)", getRegisterName(Base));
51
52
8.99k
    if (MI->csh->detail) {
53
8.99k
      MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].type = SYSZ_OP_MEM;
54
8.99k
      MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].mem.base = (uint8_t)SystemZ_map_register(Base);
55
8.99k
      MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].mem.index = (uint8_t)SystemZ_map_register(Index);
56
8.99k
      MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].mem.disp = Disp;
57
8.99k
      MI->flat_insn->detail->sysz.op_count++;
58
8.99k
    }
59
8.99k
  } else if (!Index) {
60
1.17k
    if (MI->csh->detail) {
61
1.17k
      MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].type = SYSZ_OP_IMM;
62
1.17k
      MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].imm = Disp;
63
1.17k
      MI->flat_insn->detail->sysz.op_count++;
64
1.17k
    }
65
1.17k
  } else {
66
690
    SStream_concat(O, "(%%%s)", getRegisterName(Index));
67
690
    if (MI->csh->detail) {
68
690
      MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].type = SYSZ_OP_MEM;
69
690
      MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].mem.base = (uint8_t)SystemZ_map_register(Base);
70
690
      MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].mem.index = (uint8_t)SystemZ_map_register(Index);
71
690
      MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].mem.disp = Disp;
72
690
      MI->flat_insn->detail->sysz.op_count++;
73
690
    }
74
690
  }
75
10.8k
}
76
77
static void _printOperand(MCInst *MI, MCOperand *MO, SStream *O)
78
39.0k
{
79
39.0k
  if (MCOperand_isReg(MO)) {
80
39.0k
    unsigned reg;
81
82
39.0k
    reg = MCOperand_getReg(MO);
83
39.0k
    SStream_concat(O, "%%%s", getRegisterName(reg));
84
39.0k
    reg = SystemZ_map_register(reg);
85
86
39.0k
    if (MI->csh->detail) {
87
39.0k
      MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].type = SYSZ_OP_REG;
88
39.0k
      MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].reg = reg;
89
39.0k
      MI->flat_insn->detail->sysz.op_count++;
90
39.0k
    }
91
39.0k
  } else if (MCOperand_isImm(MO)) {
92
0
    int64_t Imm = MCOperand_getImm(MO);
93
94
0
    printInt64(O, Imm);
95
96
0
    if (MI->csh->detail) {
97
0
      MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].type = SYSZ_OP_IMM;
98
0
      MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].imm = Imm;
99
0
      MI->flat_insn->detail->sysz.op_count++;
100
0
    }
101
0
  }
102
39.0k
}
103
104
static void printU1ImmOperand(MCInst *MI, int OpNum, SStream *O)
105
87
{
106
87
  int64_t Value = MCOperand_getImm(MCInst_getOperand(MI, OpNum));
107
  // assert(isUInt<1>(Value) && "Invalid u1imm argument");
108
87
  printInt64(O, Value);
109
110
87
  if (MI->csh->detail) {
111
87
    MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].type = SYSZ_OP_IMM;
112
87
    MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].imm = Value;
113
87
    MI->flat_insn->detail->sysz.op_count++;
114
87
  }
115
87
}
116
117
static void printU2ImmOperand(MCInst *MI, int OpNum, SStream *O)
118
82
{
119
82
  int64_t Value = MCOperand_getImm(MCInst_getOperand(MI, OpNum));
120
  // assert(isUInt<2>(Value) && "Invalid u2imm argument");
121
82
  printInt64(O, Value);
122
123
82
  if (MI->csh->detail) {
124
82
    MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].type = SYSZ_OP_IMM;
125
82
    MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].imm = Value;
126
82
    MI->flat_insn->detail->sysz.op_count++;
127
82
  }
128
82
}
129
130
static void printU3ImmOperand(MCInst *MI, int OpNum, SStream *O)
131
55
{
132
55
  int64_t Value = MCOperand_getImm(MCInst_getOperand(MI, OpNum));
133
  // assert(isUInt<3>(Value) && "Invalid u4imm argument");
134
55
  printInt64(O, Value);
135
136
55
  if (MI->csh->detail) {
137
55
    MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].type = SYSZ_OP_IMM;
138
55
    MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].imm = Value;
139
55
    MI->flat_insn->detail->sysz.op_count++;
140
55
  }
141
55
}
142
143
static void printU4ImmOperand(MCInst *MI, int OpNum, SStream *O)
144
5.55k
{
145
5.55k
  int64_t Value = MCOperand_getImm(MCInst_getOperand(MI, OpNum));
146
  // assert(isUInt<4>(Value) && "Invalid u4imm argument");
147
5.55k
  printInt64(O, Value);
148
149
5.55k
  if (MI->csh->detail) {
150
5.55k
    MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].type = SYSZ_OP_IMM;
151
5.55k
    MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].imm = Value;
152
5.55k
    MI->flat_insn->detail->sysz.op_count++;
153
5.55k
  }
154
5.55k
}
155
156
static void printU6ImmOperand(MCInst *MI, int OpNum, SStream *O)
157
313
{
158
313
  uint32_t Value = (uint32_t)MCOperand_getImm(MCInst_getOperand(MI, OpNum));
159
  // assert(isUInt<6>(Value) && "Invalid u6imm argument");
160
161
313
  printUInt32(O, Value);
162
163
313
  if (MI->csh->detail) {
164
313
    MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].type = SYSZ_OP_IMM;
165
313
    MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].imm = (int64_t)Value;
166
313
    MI->flat_insn->detail->sysz.op_count++;
167
313
  }
168
313
}
169
170
static void printS8ImmOperand(MCInst *MI, int OpNum, SStream *O)
171
180
{
172
180
  int8_t Value = (int8_t)MCOperand_getImm(MCInst_getOperand(MI, OpNum));
173
  // assert(isInt<8>(Value) && "Invalid s8imm argument");
174
175
180
  if (Value >= 0) {
176
91
    if (Value > HEX_THRESHOLD)
177
79
      SStream_concat(O, "0x%x", Value);
178
12
    else
179
12
      SStream_concat(O, "%u", Value);
180
91
  } else {
181
89
    if (Value < -HEX_THRESHOLD)
182
36
      SStream_concat(O, "-0x%x", -Value);
183
53
    else
184
53
      SStream_concat(O, "-%u", -Value);
185
89
  }
186
187
180
  if (MI->csh->detail) {
188
180
    MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].type = SYSZ_OP_IMM;
189
180
    MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].imm = (int64_t)Value;
190
180
    MI->flat_insn->detail->sysz.op_count++;
191
180
  }
192
180
}
193
194
static void printU8ImmOperand(MCInst *MI, int OpNum, SStream *O)
195
1.92k
{
196
1.92k
  uint8_t Value = (uint8_t)MCOperand_getImm(MCInst_getOperand(MI, OpNum));
197
  // assert(isUInt<8>(Value) && "Invalid u8imm argument");
198
199
1.92k
  if (Value > HEX_THRESHOLD)
200
1.35k
    SStream_concat(O, "0x%x", Value);
201
568
  else
202
568
    SStream_concat(O, "%u", Value);
203
204
1.92k
  if (MI->csh->detail) {
205
1.92k
    MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].type = SYSZ_OP_IMM;
206
1.92k
    MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].imm = (int64_t)Value;
207
1.92k
    MI->flat_insn->detail->sysz.op_count++;
208
1.92k
  }
209
1.92k
}
210
211
static void printU12ImmOperand(MCInst *MI, int OpNum, SStream *O)
212
446
{
213
446
  int64_t Value = MCOperand_getImm(MCInst_getOperand(MI, OpNum));
214
  // assert(isUInt<12>(Value) && "Invalid u12imm argument");
215
446
  printInt64(O, Value);
216
217
446
  if (MI->csh->detail) {
218
446
    MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].type = SYSZ_OP_IMM;
219
446
    MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].imm = Value;
220
446
    MI->flat_insn->detail->sysz.op_count++;
221
446
  }
222
446
}
223
224
static void printS16ImmOperand(MCInst *MI, int OpNum, SStream *O)
225
1.40k
{
226
1.40k
  int16_t Value = (int16_t)MCOperand_getImm(MCInst_getOperand(MI, OpNum));
227
  // assert(isInt<16>(Value) && "Invalid s16imm argument");
228
229
1.40k
  if (Value >= 0) {
230
974
    if (Value > HEX_THRESHOLD)
231
342
      SStream_concat(O, "0x%x", Value);
232
632
    else
233
632
      SStream_concat(O, "%u", Value);
234
974
  } else {
235
430
    if (Value < -HEX_THRESHOLD)
236
408
      SStream_concat(O, "-0x%x", -Value);
237
22
    else
238
22
      SStream_concat(O, "-%u", -Value);
239
430
  }
240
241
1.40k
  if (MI->csh->detail) {
242
1.40k
    MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].type = SYSZ_OP_IMM;
243
1.40k
    MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].imm = (int64_t)Value;
244
1.40k
    MI->flat_insn->detail->sysz.op_count++;
245
1.40k
  }
246
1.40k
}
247
248
static void printU16ImmOperand(MCInst *MI, int OpNum, SStream *O)
249
765
{
250
765
  uint16_t Value = (uint16_t)MCOperand_getImm(MCInst_getOperand(MI, OpNum));
251
  // assert(isUInt<16>(Value) && "Invalid u16imm argument");
252
253
765
  if (Value > HEX_THRESHOLD)
254
729
    SStream_concat(O, "0x%x", Value);
255
36
  else
256
36
    SStream_concat(O, "%u", Value);
257
258
765
  if (MI->csh->detail) {
259
765
    MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].type = SYSZ_OP_IMM;
260
765
    MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].imm = (int64_t)Value;
261
765
    MI->flat_insn->detail->sysz.op_count++;
262
765
  }
263
765
}
264
265
static void printS32ImmOperand(MCInst *MI, int OpNum, SStream *O)
266
352
{
267
352
  int32_t Value = (int32_t)MCOperand_getImm(MCInst_getOperand(MI, OpNum));
268
  // assert(isInt<32>(Value) && "Invalid s32imm argument");
269
270
352
  printInt32(O, Value);
271
272
352
  if (MI->csh->detail) {
273
352
    MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].type = SYSZ_OP_IMM;
274
352
    MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].imm = (int64_t)Value;
275
352
    MI->flat_insn->detail->sysz.op_count++;
276
352
  }
277
352
}
278
279
static void printU32ImmOperand(MCInst *MI, int OpNum, SStream *O)
280
472
{
281
472
  uint32_t Value = (uint32_t)MCOperand_getImm(MCInst_getOperand(MI, OpNum));
282
  // assert(isUInt<32>(Value) && "Invalid u32imm argument");
283
284
472
  printUInt32(O, Value);
285
286
472
  if (MI->csh->detail) {
287
472
    MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].type = SYSZ_OP_IMM;
288
472
    MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].imm = (int64_t)Value;
289
472
    MI->flat_insn->detail->sysz.op_count++;
290
472
  }
291
472
}
292
293
static void printU48ImmOperand(MCInst *MI, int OpNum, SStream *O)
294
0
{
295
0
  int64_t Value = MCOperand_getImm(MCInst_getOperand(MI, OpNum));
296
  // assert(isUInt<48>(Value) && "Invalid u48imm argument");
297
0
  printInt64(O, Value);
298
299
0
  if (MI->csh->detail) {
300
0
    MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].type = SYSZ_OP_IMM;
301
0
    MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].imm = Value;
302
0
    MI->flat_insn->detail->sysz.op_count++;
303
0
  }
304
0
}
305
306
static void printPCRelOperand(MCInst *MI, int OpNum, SStream *O)
307
1.70k
{
308
1.70k
  MCOperand *MO = MCInst_getOperand(MI, OpNum);
309
310
1.70k
  if (MCOperand_isImm(MO)) {
311
1.70k
    int64_t imm = (int64_t)MCOperand_getImm(MO);
312
313
1.70k
    printInt64(O, imm);
314
315
1.70k
    if (MI->csh->detail) {
316
1.70k
      MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].type = SYSZ_OP_IMM;
317
1.70k
      MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].imm = imm;
318
1.70k
      MI->flat_insn->detail->sysz.op_count++;
319
1.70k
    }
320
1.70k
  }
321
1.70k
}
322
323
static void printPCRelTLSOperand(MCInst *MI, int OpNum, SStream *O)
324
84
{
325
  // Output the PC-relative operand.
326
84
  printPCRelOperand(MI, OpNum, O);
327
84
}
328
329
static void printOperand(MCInst *MI, int OpNum, SStream *O)
330
39.0k
{
331
39.0k
  _printOperand(MI, MCInst_getOperand(MI, OpNum), O);
332
39.0k
}
333
334
static void printBDAddrOperand(MCInst *MI, int OpNum, SStream *O)
335
5.10k
{
336
5.10k
  printAddress(MI, MCOperand_getReg(MCInst_getOperand(MI, OpNum)),
337
5.10k
      MCOperand_getImm(MCInst_getOperand(MI, OpNum + 1)), 0, O);
338
5.10k
}
339
340
static void printBDXAddrOperand(MCInst *MI, int OpNum, SStream *O)
341
5.69k
{
342
5.69k
  printAddress(MI, MCOperand_getReg(MCInst_getOperand(MI, OpNum)),
343
5.69k
      MCOperand_getImm(MCInst_getOperand(MI, OpNum + 1)),
344
5.69k
      MCOperand_getReg(MCInst_getOperand(MI, OpNum + 2)), O);
345
5.69k
}
346
347
static void printBDLAddrOperand(MCInst *MI, int OpNum, SStream *O)
348
3.16k
{
349
3.16k
  unsigned Base = MCOperand_getReg(MCInst_getOperand(MI, OpNum));
350
3.16k
  uint64_t Disp = (uint64_t)MCOperand_getImm(MCInst_getOperand(MI, OpNum + 1));
351
3.16k
  uint64_t Length = (uint64_t)MCOperand_getImm(MCInst_getOperand(MI, OpNum + 2));
352
353
3.16k
  if (Disp > HEX_THRESHOLD)
354
3.04k
    SStream_concat(O, "0x%"PRIx64, Disp);
355
124
  else
356
124
    SStream_concat(O, "%"PRIu64, Disp);
357
358
3.16k
  if (Length > HEX_THRESHOLD)
359
2.50k
    SStream_concat(O, "(0x%"PRIx64, Length);
360
662
  else
361
662
    SStream_concat(O, "(%"PRIu64, Length);
362
363
3.16k
  if (Base)
364
2.78k
    SStream_concat(O, ", %%%s", getRegisterName(Base));
365
3.16k
  SStream_concat0(O, ")");
366
367
3.16k
  if (MI->csh->detail) {
368
3.16k
    MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].type = SYSZ_OP_MEM;
369
3.16k
    MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].mem.base = (uint8_t)SystemZ_map_register(Base);
370
3.16k
    MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].mem.length = Length;
371
3.16k
    MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].mem.disp = (int64_t)Disp;
372
3.16k
    MI->flat_insn->detail->sysz.op_count++;
373
3.16k
  }
374
3.16k
}
375
376
static void printBDRAddrOperand(MCInst *MI, int OpNum, SStream *O)
377
356
{
378
356
  unsigned Base = MCOperand_getReg(MCInst_getOperand(MI, OpNum));
379
356
  uint64_t Disp = (uint64_t)MCOperand_getImm(MCInst_getOperand(MI, OpNum + 1));
380
356
  uint64_t Length = MCOperand_getReg(MCInst_getOperand(MI, OpNum + 2));
381
382
356
  if (Disp > HEX_THRESHOLD)
383
302
    SStream_concat(O, "0x%"PRIx64, Disp);
384
54
  else
385
54
    SStream_concat(O, "%"PRIu64, Disp);
386
387
356
  SStream_concat0(O, "(");
388
356
  SStream_concat(O, "%%%s", getRegisterName(Length));
389
390
356
  if (Base)
391
269
    SStream_concat(O, ", %%%s", getRegisterName(Base));
392
356
  SStream_concat0(O, ")");
393
394
356
  if (MI->csh->detail) {
395
356
    MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].type = SYSZ_OP_MEM;
396
356
    MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].mem.base = (uint8_t)SystemZ_map_register(Base);
397
356
    MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].mem.length = (uint8_t)SystemZ_map_register(Length);
398
356
    MI->flat_insn->detail->sysz.operands[MI->flat_insn->detail->sysz.op_count].mem.disp = (int64_t)Disp;
399
356
    MI->flat_insn->detail->sysz.op_count++;
400
356
  }
401
356
}
402
403
static void printBDVAddrOperand(MCInst *MI, int OpNum, SStream *O)
404
66
{
405
66
  printAddress(MI, MCOperand_getReg(MCInst_getOperand(MI, OpNum)),
406
66
      MCOperand_getImm(MCInst_getOperand(MI, OpNum + 1)),
407
66
      MCOperand_getReg(MCInst_getOperand(MI, OpNum + 2)), O);
408
66
}
409
410
static void printCond4Operand(MCInst *MI, int OpNum, SStream *O)
411
0
{
412
0
  static const char *const CondNames[] = {
413
0
    "o", "h", "nle", "l", "nhe", "lh", "ne",
414
0
    "e", "nlh", "he", "nl", "le", "nh", "no"
415
0
  };
416
417
0
  uint64_t Imm = MCOperand_getImm(MCInst_getOperand(MI, OpNum));
418
  // assert(Imm > 0 && Imm < 15 && "Invalid condition");
419
0
  SStream_concat0(O, CondNames[Imm - 1]);
420
421
0
  if (MI->csh->detail)
422
0
    MI->flat_insn->detail->sysz.cc = (sysz_cc)Imm;
423
0
}
424
425
#define PRINT_ALIAS_INSTR
426
#include "SystemZGenAsmWriter.inc"
427
428
void SystemZ_printInst(MCInst *MI, SStream *O, void *Info)
429
28.4k
{
430
28.4k
  printInstruction(MI, O, Info);
431
28.4k
}
432
433
#endif