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RegisterContextDarwin_arm64.cpp
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1 //===-- RegisterContextDarwin_arm64.cpp -----------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "RegisterContextDarwin_arm64.h"
10 #include "RegisterContextDarwinConstants.h"
11 
12 #include "lldb/Target/Process.h"
13 #include "lldb/Target/Thread.h"
14 #include "lldb/Utility/DataBufferHeap.h"
15 #include "lldb/Utility/DataExtractor.h"
16 #include "lldb/Utility/Endian.h"
17 #include "lldb/Utility/Log.h"
18 #include "lldb/Utility/RegisterValue.h"
19 #include "lldb/Utility/Scalar.h"
20 #include "llvm/ADT/STLExtras.h"
21 #include "llvm/Support/Compiler.h"
22 
23 #include "Plugins/Process/Utility/InstructionUtils.h"
24 
25 #include <memory>
26 
27 #if defined(__APPLE__) && (defined(__arm64__) || defined(__aarch64__))
28 #include <sys/types.h>
29 #include <sys/sysctl.h>
30 #endif
31 
32 #include "Utility/ARM64_DWARF_Registers.h"
33 
34 using namespace lldb;
35 using namespace lldb_private;
36 
37 #define GPR_OFFSET(idx) ((idx)*8)
38 #define GPR_OFFSET_NAME(reg) \
39  (LLVM_EXTENSION offsetof(RegisterContextDarwin_arm64::GPR, reg))
40 
41 #define FPU_OFFSET(idx) ((idx)*16 + sizeof(RegisterContextDarwin_arm64::GPR))
42 #define FPU_OFFSET_NAME(reg) \
43  (LLVM_EXTENSION offsetof(RegisterContextDarwin_arm64::FPU, reg))
44 
45 #define EXC_OFFSET_NAME(reg) \
46  (LLVM_EXTENSION offsetof(RegisterContextDarwin_arm64::EXC, reg) + \
47  sizeof(RegisterContextDarwin_arm64::GPR) + \
48  sizeof(RegisterContextDarwin_arm64::FPU))
49 #define DBG_OFFSET_NAME(reg) \
50  (LLVM_EXTENSION offsetof(RegisterContextDarwin_arm64::DBG, reg) + \
51  sizeof(RegisterContextDarwin_arm64::GPR) + \
52  sizeof(RegisterContextDarwin_arm64::FPU) + \
53  sizeof(RegisterContextDarwin_arm64::EXC))
54 
55 #define DEFINE_DBG(reg, i) \
56  #reg, NULL, \
57  sizeof(((RegisterContextDarwin_arm64::DBG *) NULL)->reg[i]), \
58  DBG_OFFSET_NAME(reg[i]), eEncodingUint, eFormatHex, \
59  {LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, \
60  LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, \
61  LLDB_INVALID_REGNUM }, \
62  NULL, NULL
63 #define REG_CONTEXT_SIZE \
64  (sizeof(RegisterContextDarwin_arm64::GPR) + \
65  sizeof(RegisterContextDarwin_arm64::FPU) + \
66  sizeof(RegisterContextDarwin_arm64::EXC))
67 
68 // Include RegisterInfos_arm64 to declare our g_register_infos_arm64 structure.
69 #define DECLARE_REGISTER_INFOS_ARM64_STRUCT
70 #include "RegisterInfos_arm64.h"
71 #undef DECLARE_REGISTER_INFOS_ARM64_STRUCT
72 
73 // General purpose registers
74 static uint32_t g_gpr_regnums[] = {
75  gpr_x0, gpr_x1, gpr_x2, gpr_x3, gpr_x4, gpr_x5, gpr_x6,
76  gpr_x7, gpr_x8, gpr_x9, gpr_x10, gpr_x11, gpr_x12, gpr_x13,
77  gpr_x14, gpr_x15, gpr_x16, gpr_x17, gpr_x18, gpr_x19, gpr_x20,
78  gpr_x21, gpr_x22, gpr_x23, gpr_x24, gpr_x25, gpr_x26, gpr_x27,
79  gpr_x28, gpr_fp, gpr_lr, gpr_sp, gpr_pc, gpr_cpsr};
80 
81 // Floating point registers
82 static uint32_t g_fpu_regnums[] = {
83  fpu_v0, fpu_v1, fpu_v2, fpu_v3, fpu_v4, fpu_v5, fpu_v6,
84  fpu_v7, fpu_v8, fpu_v9, fpu_v10, fpu_v11, fpu_v12, fpu_v13,
85  fpu_v14, fpu_v15, fpu_v16, fpu_v17, fpu_v18, fpu_v19, fpu_v20,
86  fpu_v21, fpu_v22, fpu_v23, fpu_v24, fpu_v25, fpu_v26, fpu_v27,
87  fpu_v28, fpu_v29, fpu_v30, fpu_v31, fpu_fpsr, fpu_fpcr};
88 
89 // Exception registers
90 
91 static uint32_t g_exc_regnums[] = {exc_far, exc_esr, exc_exception};
92 
93 static size_t k_num_register_infos =
94  llvm::array_lengthof(g_register_infos_arm64_le);
95 
96 RegisterContextDarwin_arm64::RegisterContextDarwin_arm64(
97  Thread &thread, uint32_t concrete_frame_idx)
98  : RegisterContext(thread, concrete_frame_idx), gpr(), fpu(), exc() {
99  uint32_t i;
100  for (i = 0; i < kNumErrors; i++) {
101  gpr_errs[i] = -1;
102  fpu_errs[i] = -1;
103  exc_errs[i] = -1;
104  }
105 }
106 
107 RegisterContextDarwin_arm64::~RegisterContextDarwin_arm64() = default;
108 
109 void RegisterContextDarwin_arm64::InvalidateAllRegisters() {
110  InvalidateAllRegisterStates();
111 }
112 
113 size_t RegisterContextDarwin_arm64::GetRegisterCount() {
114  assert(k_num_register_infos == k_num_registers);
115  return k_num_registers;
116 }
117 
118 const RegisterInfo *
119 RegisterContextDarwin_arm64::GetRegisterInfoAtIndex(size_t reg) {
120  assert(k_num_register_infos == k_num_registers);
121  if (reg < k_num_registers)
122  return &g_register_infos_arm64_le[reg];
123  return nullptr;
124 }
125 
126 size_t RegisterContextDarwin_arm64::GetRegisterInfosCount() {
127  return k_num_register_infos;
128 }
129 
130 const RegisterInfo *RegisterContextDarwin_arm64::GetRegisterInfos() {
131  return g_register_infos_arm64_le;
132 }
133 
134 // Number of registers in each register set
135 const size_t k_num_gpr_registers = llvm::array_lengthof(g_gpr_regnums);
136 const size_t k_num_fpu_registers = llvm::array_lengthof(g_fpu_regnums);
137 const size_t k_num_exc_registers = llvm::array_lengthof(g_exc_regnums);
138 
139 // Register set definitions. The first definitions at register set index of
140 // zero is for all registers, followed by other registers sets. The register
141 // information for the all register set need not be filled in.
142 static const RegisterSet g_reg_sets[] = {
143  {
144  "General Purpose Registers", "gpr", k_num_gpr_registers, g_gpr_regnums,
145  },
146  {"Floating Point Registers", "fpu", k_num_fpu_registers, g_fpu_regnums},
147  {"Exception State Registers", "exc", k_num_exc_registers, g_exc_regnums}};
148 
149 const size_t k_num_regsets = llvm::array_lengthof(g_reg_sets);
150 
151 size_t RegisterContextDarwin_arm64::GetRegisterSetCount() {
152  return k_num_regsets;
153 }
154 
155 const RegisterSet *RegisterContextDarwin_arm64::GetRegisterSet(size_t reg_set) {
156  if (reg_set < k_num_regsets)
157  return &g_reg_sets[reg_set];
158  return nullptr;
159 }
160 
161 // Register information definitions for arm64
162 int RegisterContextDarwin_arm64::GetSetForNativeRegNum(int reg) {
163  if (reg < fpu_v0)
164  return GPRRegSet;
165  else if (reg < exc_far)
166  return FPURegSet;
167  else if (reg < k_num_registers)
168  return EXCRegSet;
169  return -1;
170 }
171 
172 int RegisterContextDarwin_arm64::ReadGPR(bool force) {
173  int set = GPRRegSet;
174  if (force || !RegisterSetIsCached(set)) {
175  SetError(set, Read, DoReadGPR(GetThreadID(), set, gpr));
176  }
177  return GetError(GPRRegSet, Read);
178 }
179 
180 int RegisterContextDarwin_arm64::ReadFPU(bool force) {
181  int set = FPURegSet;
182  if (force || !RegisterSetIsCached(set)) {
183  SetError(set, Read, DoReadFPU(GetThreadID(), set, fpu));
184  }
185  return GetError(FPURegSet, Read);
186 }
187 
188 int RegisterContextDarwin_arm64::ReadEXC(bool force) {
189  int set = EXCRegSet;
190  if (force || !RegisterSetIsCached(set)) {
191  SetError(set, Read, DoReadEXC(GetThreadID(), set, exc));
192  }
193  return GetError(EXCRegSet, Read);
194 }
195 
196 int RegisterContextDarwin_arm64::ReadDBG(bool force) {
197  int set = DBGRegSet;
198  if (force || !RegisterSetIsCached(set)) {
199  SetError(set, Read, DoReadDBG(GetThreadID(), set, dbg));
200  }
201  return GetError(DBGRegSet, Read);
202 }
203 
204 int RegisterContextDarwin_arm64::WriteGPR() {
205  int set = GPRRegSet;
206  if (!RegisterSetIsCached(set)) {
207  SetError(set, Write, -1);
208  return KERN_INVALID_ARGUMENT;
209  }
210  SetError(set, Write, DoWriteGPR(GetThreadID(), set, gpr));
211  SetError(set, Read, -1);
212  return GetError(GPRRegSet, Write);
213 }
214 
215 int RegisterContextDarwin_arm64::WriteFPU() {
216  int set = FPURegSet;
217  if (!RegisterSetIsCached(set)) {
218  SetError(set, Write, -1);
219  return KERN_INVALID_ARGUMENT;
220  }
221  SetError(set, Write, DoWriteFPU(GetThreadID(), set, fpu));
222  SetError(set, Read, -1);
223  return GetError(FPURegSet, Write);
224 }
225 
226 int RegisterContextDarwin_arm64::WriteEXC() {
227  int set = EXCRegSet;
228  if (!RegisterSetIsCached(set)) {
229  SetError(set, Write, -1);
230  return KERN_INVALID_ARGUMENT;
231  }
232  SetError(set, Write, DoWriteEXC(GetThreadID(), set, exc));
233  SetError(set, Read, -1);
234  return GetError(EXCRegSet, Write);
235 }
236 
237 int RegisterContextDarwin_arm64::WriteDBG() {
238  int set = DBGRegSet;
239  if (!RegisterSetIsCached(set)) {
240  SetError(set, Write, -1);
241  return KERN_INVALID_ARGUMENT;
242  }
243  SetError(set, Write, DoWriteDBG(GetThreadID(), set, dbg));
244  SetError(set, Read, -1);
245  return GetError(DBGRegSet, Write);
246 }
247 
248 int RegisterContextDarwin_arm64::ReadRegisterSet(uint32_t set, bool force) {
249  switch (set) {
250  case GPRRegSet:
251  return ReadGPR(force);
252  case FPURegSet:
253  return ReadFPU(force);
254  case EXCRegSet:
255  return ReadEXC(force);
256  case DBGRegSet:
257  return ReadDBG(force);
258  default:
259  break;
260  }
261  return KERN_INVALID_ARGUMENT;
262 }
263 
264 int RegisterContextDarwin_arm64::WriteRegisterSet(uint32_t set) {
265  // Make sure we have a valid context to set.
266  if (RegisterSetIsCached(set)) {
267  switch (set) {
268  case GPRRegSet:
269  return WriteGPR();
270  case FPURegSet:
271  return WriteFPU();
272  case EXCRegSet:
273  return WriteEXC();
274  case DBGRegSet:
275  return WriteDBG();
276  default:
277  break;
278  }
279  }
280  return KERN_INVALID_ARGUMENT;
281 }
282 
283 void RegisterContextDarwin_arm64::LogDBGRegisters(Log *log, const DBG &dbg) {
284  if (log) {
285  for (uint32_t i = 0; i < 16; i++)
286  LLDB_LOGF(log,
287  "BVR%-2u/BCR%-2u = { 0x%8.8" PRIu64 ", 0x%8.8" PRIu64
288  " } WVR%-2u/WCR%-2u "
289  "= { 0x%8.8" PRIu64 ", 0x%8.8" PRIu64 " }",
290  i, i, dbg.bvr[i], dbg.bcr[i], i, i, dbg.wvr[i], dbg.wcr[i]);
291  }
292 }
293 
294 bool RegisterContextDarwin_arm64::ReadRegister(const RegisterInfo *reg_info,
295  RegisterValue &value) {
296  const uint32_t reg = reg_info->kinds[eRegisterKindLLDB];
297  int set = RegisterContextDarwin_arm64::GetSetForNativeRegNum(reg);
298 
299  if (set == -1)
300  return false;
301 
302  if (ReadRegisterSet(set, false) != KERN_SUCCESS)
303  return false;
304 
305  switch (reg) {
306  case gpr_x0:
307  case gpr_x1:
308  case gpr_x2:
309  case gpr_x3:
310  case gpr_x4:
311  case gpr_x5:
312  case gpr_x6:
313  case gpr_x7:
314  case gpr_x8:
315  case gpr_x9:
316  case gpr_x10:
317  case gpr_x11:
318  case gpr_x12:
319  case gpr_x13:
320  case gpr_x14:
321  case gpr_x15:
322  case gpr_x16:
323  case gpr_x17:
324  case gpr_x18:
325  case gpr_x19:
326  case gpr_x20:
327  case gpr_x21:
328  case gpr_x22:
329  case gpr_x23:
330  case gpr_x24:
331  case gpr_x25:
332  case gpr_x26:
333  case gpr_x27:
334  case gpr_x28:
335  value.SetUInt64(gpr.x[reg - gpr_x0]);
336  break;
337  case gpr_fp:
338  value.SetUInt64(gpr.fp);
339  break;
340  case gpr_sp:
341  value.SetUInt64(gpr.sp);
342  break;
343  case gpr_lr:
344  value.SetUInt64(gpr.lr);
345  break;
346  case gpr_pc:
347  value.SetUInt64(gpr.pc);
348  break;
349  case gpr_cpsr:
350  value.SetUInt64(gpr.cpsr);
351  break;
352 
353  case gpr_w0:
354  case gpr_w1:
355  case gpr_w2:
356  case gpr_w3:
357  case gpr_w4:
358  case gpr_w5:
359  case gpr_w6:
360  case gpr_w7:
361  case gpr_w8:
362  case gpr_w9:
363  case gpr_w10:
364  case gpr_w11:
365  case gpr_w12:
366  case gpr_w13:
367  case gpr_w14:
368  case gpr_w15:
369  case gpr_w16:
370  case gpr_w17:
371  case gpr_w18:
372  case gpr_w19:
373  case gpr_w20:
374  case gpr_w21:
375  case gpr_w22:
376  case gpr_w23:
377  case gpr_w24:
378  case gpr_w25:
379  case gpr_w26:
380  case gpr_w27:
381  case gpr_w28: {
382  ProcessSP process_sp(m_thread.GetProcess());
383  if (process_sp.get()) {
384  DataExtractor regdata(&gpr.x[reg - gpr_w0], 8, process_sp->GetByteOrder(),
385  process_sp->GetAddressByteSize());
386  offset_t offset = 0;
387  uint64_t retval = regdata.GetMaxU64(&offset, 8);
388  uint32_t retval_lower32 = static_cast<uint32_t>(retval & 0xffffffff);
389  value.SetUInt32(retval_lower32);
390  }
391  } break;
392 
393  case fpu_v0:
394  case fpu_v1:
395  case fpu_v2:
396  case fpu_v3:
397  case fpu_v4:
398  case fpu_v5:
399  case fpu_v6:
400  case fpu_v7:
401  case fpu_v8:
402  case fpu_v9:
403  case fpu_v10:
404  case fpu_v11:
405  case fpu_v12:
406  case fpu_v13:
407  case fpu_v14:
408  case fpu_v15:
409  case fpu_v16:
410  case fpu_v17:
411  case fpu_v18:
412  case fpu_v19:
413  case fpu_v20:
414  case fpu_v21:
415  case fpu_v22:
416  case fpu_v23:
417  case fpu_v24:
418  case fpu_v25:
419  case fpu_v26:
420  case fpu_v27:
421  case fpu_v28:
422  case fpu_v29:
423  case fpu_v30:
424  case fpu_v31:
425  value.SetBytes(fpu.v[reg - fpu_v0].bytes, reg_info->byte_size,
426  endian::InlHostByteOrder());
427  break;
428 
429  case fpu_s0:
430  case fpu_s1:
431  case fpu_s2:
432  case fpu_s3:
433  case fpu_s4:
434  case fpu_s5:
435  case fpu_s6:
436  case fpu_s7:
437  case fpu_s8:
438  case fpu_s9:
439  case fpu_s10:
440  case fpu_s11:
441  case fpu_s12:
442  case fpu_s13:
443  case fpu_s14:
444  case fpu_s15:
445  case fpu_s16:
446  case fpu_s17:
447  case fpu_s18:
448  case fpu_s19:
449  case fpu_s20:
450  case fpu_s21:
451  case fpu_s22:
452  case fpu_s23:
453  case fpu_s24:
454  case fpu_s25:
455  case fpu_s26:
456  case fpu_s27:
457  case fpu_s28:
458  case fpu_s29:
459  case fpu_s30:
460  case fpu_s31: {
461  ProcessSP process_sp(m_thread.GetProcess());
462  if (process_sp.get()) {
463  DataExtractor regdata(&fpu.v[reg - fpu_s0], 4, process_sp->GetByteOrder(),
464  process_sp->GetAddressByteSize());
465  offset_t offset = 0;
466  value.SetFloat(regdata.GetFloat(&offset));
467  }
468  } break;
469 
470  case fpu_d0:
471  case fpu_d1:
472  case fpu_d2:
473  case fpu_d3:
474  case fpu_d4:
475  case fpu_d5:
476  case fpu_d6:
477  case fpu_d7:
478  case fpu_d8:
479  case fpu_d9:
480  case fpu_d10:
481  case fpu_d11:
482  case fpu_d12:
483  case fpu_d13:
484  case fpu_d14:
485  case fpu_d15:
486  case fpu_d16:
487  case fpu_d17:
488  case fpu_d18:
489  case fpu_d19:
490  case fpu_d20:
491  case fpu_d21:
492  case fpu_d22:
493  case fpu_d23:
494  case fpu_d24:
495  case fpu_d25:
496  case fpu_d26:
497  case fpu_d27:
498  case fpu_d28:
499  case fpu_d29:
500  case fpu_d30:
501  case fpu_d31: {
502  ProcessSP process_sp(m_thread.GetProcess());
503  if (process_sp.get()) {
504  DataExtractor regdata(&fpu.v[reg - fpu_d0], 8, process_sp->GetByteOrder(),
505  process_sp->GetAddressByteSize());
506  offset_t offset = 0;
507  value.SetDouble(regdata.GetDouble(&offset));
508  }
509  } break;
510 
511  case fpu_fpsr:
512  value.SetUInt32(fpu.fpsr);
513  break;
514 
515  case fpu_fpcr:
516  value.SetUInt32(fpu.fpcr);
517  break;
518 
519  case exc_exception:
520  value.SetUInt32(exc.exception);
521  break;
522  case exc_esr:
523  value.SetUInt32(exc.esr);
524  break;
525  case exc_far:
526  value.SetUInt64(exc.far);
527  break;
528 
529  default:
530  value.SetValueToInvalid();
531  return false;
532  }
533  return true;
534 }
535 
536 bool RegisterContextDarwin_arm64::WriteRegister(const RegisterInfo *reg_info,
537  const RegisterValue &value) {
538  const uint32_t reg = reg_info->kinds[eRegisterKindLLDB];
539  int set = GetSetForNativeRegNum(reg);
540 
541  if (set == -1)
542  return false;
543 
544  if (ReadRegisterSet(set, false) != KERN_SUCCESS)
545  return false;
546 
547  switch (reg) {
548  case gpr_x0:
549  case gpr_x1:
550  case gpr_x2:
551  case gpr_x3:
552  case gpr_x4:
553  case gpr_x5:
554  case gpr_x6:
555  case gpr_x7:
556  case gpr_x8:
557  case gpr_x9:
558  case gpr_x10:
559  case gpr_x11:
560  case gpr_x12:
561  case gpr_x13:
562  case gpr_x14:
563  case gpr_x15:
564  case gpr_x16:
565  case gpr_x17:
566  case gpr_x18:
567  case gpr_x19:
568  case gpr_x20:
569  case gpr_x21:
570  case gpr_x22:
571  case gpr_x23:
572  case gpr_x24:
573  case gpr_x25:
574  case gpr_x26:
575  case gpr_x27:
576  case gpr_x28:
577  case gpr_fp:
578  case gpr_sp:
579  case gpr_lr:
580  case gpr_pc:
581  case gpr_cpsr:
582  gpr.x[reg - gpr_x0] = value.GetAsUInt64();
583  break;
584 
585  case fpu_v0:
586  case fpu_v1:
587  case fpu_v2:
588  case fpu_v3:
589  case fpu_v4:
590  case fpu_v5:
591  case fpu_v6:
592  case fpu_v7:
593  case fpu_v8:
594  case fpu_v9:
595  case fpu_v10:
596  case fpu_v11:
597  case fpu_v12:
598  case fpu_v13:
599  case fpu_v14:
600  case fpu_v15:
601  case fpu_v16:
602  case fpu_v17:
603  case fpu_v18:
604  case fpu_v19:
605  case fpu_v20:
606  case fpu_v21:
607  case fpu_v22:
608  case fpu_v23:
609  case fpu_v24:
610  case fpu_v25:
611  case fpu_v26:
612  case fpu_v27:
613  case fpu_v28:
614  case fpu_v29:
615  case fpu_v30:
616  case fpu_v31:
617  ::memcpy(fpu.v[reg - fpu_v0].bytes, value.GetBytes(),
618  value.GetByteSize());
619  break;
620 
621  case fpu_fpsr:
622  fpu.fpsr = value.GetAsUInt32();
623  break;
624 
625  case fpu_fpcr:
626  fpu.fpcr = value.GetAsUInt32();
627  break;
628 
629  case exc_exception:
630  exc.exception = value.GetAsUInt32();
631  break;
632  case exc_esr:
633  exc.esr = value.GetAsUInt32();
634  break;
635  case exc_far:
636  exc.far = value.GetAsUInt64();
637  break;
638 
639  default:
640  return false;
641  }
642  return WriteRegisterSet(set) == KERN_SUCCESS;
643 }
644 
645 bool RegisterContextDarwin_arm64::ReadAllRegisterValues(
646  lldb::DataBufferSP &data_sp) {
647  data_sp = std::make_shared<DataBufferHeap>(REG_CONTEXT_SIZE, 0);
648  if (ReadGPR(false) == KERN_SUCCESS && ReadFPU(false) == KERN_SUCCESS &&
649  ReadEXC(false) == KERN_SUCCESS) {
650  uint8_t *dst = data_sp->GetBytes();
651  ::memcpy(dst, &gpr, sizeof(gpr));
652  dst += sizeof(gpr);
653 
654  ::memcpy(dst, &fpu, sizeof(fpu));
655  dst += sizeof(gpr);
656 
657  ::memcpy(dst, &exc, sizeof(exc));
658  return true;
659  }
660  return false;
661 }
662 
663 bool RegisterContextDarwin_arm64::WriteAllRegisterValues(
664  const lldb::DataBufferSP &data_sp) {
665  if (data_sp && data_sp->GetByteSize() == REG_CONTEXT_SIZE) {
666  const uint8_t *src = data_sp->GetBytes();
667  ::memcpy(&gpr, src, sizeof(gpr));
668  src += sizeof(gpr);
669 
670  ::memcpy(&fpu, src, sizeof(fpu));
671  src += sizeof(gpr);
672 
673  ::memcpy(&exc, src, sizeof(exc));
674  uint32_t success_count = 0;
675  if (WriteGPR() == KERN_SUCCESS)
676  ++success_count;
677  if (WriteFPU() == KERN_SUCCESS)
678  ++success_count;
679  if (WriteEXC() == KERN_SUCCESS)
680  ++success_count;
681  return success_count == 3;
682  }
683  return false;
684 }
685 
686 uint32_t RegisterContextDarwin_arm64::ConvertRegisterKindToRegisterNumber(
687  RegisterKind kind, uint32_t reg) {
688  if (kind == eRegisterKindGeneric) {
689  switch (reg) {
690  case LLDB_REGNUM_GENERIC_PC:
691  return gpr_pc;
692  case LLDB_REGNUM_GENERIC_SP:
693  return gpr_sp;
694  case LLDB_REGNUM_GENERIC_FP:
695  return gpr_fp;
696  case LLDB_REGNUM_GENERIC_RA:
697  return gpr_lr;
698  case LLDB_REGNUM_GENERIC_FLAGS:
699  return gpr_cpsr;
700  default:
701  break;
702  }
703  } else if (kind == eRegisterKindDWARF) {
704  switch (reg) {
705  case arm64_dwarf::x0:
706  return gpr_x0;
707  case arm64_dwarf::x1:
708  return gpr_x1;
709  case arm64_dwarf::x2:
710  return gpr_x2;
711  case arm64_dwarf::x3:
712  return gpr_x3;
713  case arm64_dwarf::x4:
714  return gpr_x4;
715  case arm64_dwarf::x5:
716  return gpr_x5;
717  case arm64_dwarf::x6:
718  return gpr_x6;
719  case arm64_dwarf::x7:
720  return gpr_x7;
721  case arm64_dwarf::x8:
722  return gpr_x8;
723  case arm64_dwarf::x9:
724  return gpr_x9;
725  case arm64_dwarf::x10:
726  return gpr_x10;
727  case arm64_dwarf::x11:
728  return gpr_x11;
729  case arm64_dwarf::x12:
730  return gpr_x12;
731  case arm64_dwarf::x13:
732  return gpr_x13;
733  case arm64_dwarf::x14:
734  return gpr_x14;
735  case arm64_dwarf::x15:
736  return gpr_x15;
737  case arm64_dwarf::x16:
738  return gpr_x16;
739  case arm64_dwarf::x17:
740  return gpr_x17;
741  case arm64_dwarf::x18:
742  return gpr_x18;
743  case arm64_dwarf::x19:
744  return gpr_x19;
745  case arm64_dwarf::x20:
746  return gpr_x20;
747  case arm64_dwarf::x21:
748  return gpr_x21;
749  case arm64_dwarf::x22:
750  return gpr_x22;
751  case arm64_dwarf::x23:
752  return gpr_x23;
753  case arm64_dwarf::x24:
754  return gpr_x24;
755  case arm64_dwarf::x25:
756  return gpr_x25;
757  case arm64_dwarf::x26:
758  return gpr_x26;
759  case arm64_dwarf::x27:
760  return gpr_x27;
761  case arm64_dwarf::x28:
762  return gpr_x28;
763 
764  case arm64_dwarf::fp:
765  return gpr_fp;
766  case arm64_dwarf::sp:
767  return gpr_sp;
768  case arm64_dwarf::lr:
769  return gpr_lr;
770  case arm64_dwarf::pc:
771  return gpr_pc;
772  case arm64_dwarf::cpsr:
773  return gpr_cpsr;
774 
775  case arm64_dwarf::v0:
776  return fpu_v0;
777  case arm64_dwarf::v1:
778  return fpu_v1;
779  case arm64_dwarf::v2:
780  return fpu_v2;
781  case arm64_dwarf::v3:
782  return fpu_v3;
783  case arm64_dwarf::v4:
784  return fpu_v4;
785  case arm64_dwarf::v5:
786  return fpu_v5;
787  case arm64_dwarf::v6:
788  return fpu_v6;
789  case arm64_dwarf::v7:
790  return fpu_v7;
791  case arm64_dwarf::v8:
792  return fpu_v8;
793  case arm64_dwarf::v9:
794  return fpu_v9;
795  case arm64_dwarf::v10:
796  return fpu_v10;
797  case arm64_dwarf::v11:
798  return fpu_v11;
799  case arm64_dwarf::v12:
800  return fpu_v12;
801  case arm64_dwarf::v13:
802  return fpu_v13;
803  case arm64_dwarf::v14:
804  return fpu_v14;
805  case arm64_dwarf::v15:
806  return fpu_v15;
807  case arm64_dwarf::v16:
808  return fpu_v16;
809  case arm64_dwarf::v17:
810  return fpu_v17;
811  case arm64_dwarf::v18:
812  return fpu_v18;
813  case arm64_dwarf::v19:
814  return fpu_v19;
815  case arm64_dwarf::v20:
816  return fpu_v20;
817  case arm64_dwarf::v21:
818  return fpu_v21;
819  case arm64_dwarf::v22:
820  return fpu_v22;
821  case arm64_dwarf::v23:
822  return fpu_v23;
823  case arm64_dwarf::v24:
824  return fpu_v24;
825  case arm64_dwarf::v25:
826  return fpu_v25;
827  case arm64_dwarf::v26:
828  return fpu_v26;
829  case arm64_dwarf::v27:
830  return fpu_v27;
831  case arm64_dwarf::v28:
832  return fpu_v28;
833  case arm64_dwarf::v29:
834  return fpu_v29;
835  case arm64_dwarf::v30:
836  return fpu_v30;
837  case arm64_dwarf::v31:
838  return fpu_v31;
839 
840  default:
841  break;
842  }
843  } else if (kind == eRegisterKindEHFrame) {
844  switch (reg) {
845  case arm64_ehframe::x0:
846  return gpr_x0;
847  case arm64_ehframe::x1:
848  return gpr_x1;
849  case arm64_ehframe::x2:
850  return gpr_x2;
851  case arm64_ehframe::x3:
852  return gpr_x3;
853  case arm64_ehframe::x4:
854  return gpr_x4;
855  case arm64_ehframe::x5:
856  return gpr_x5;
857  case arm64_ehframe::x6:
858  return gpr_x6;
859  case arm64_ehframe::x7:
860  return gpr_x7;
861  case arm64_ehframe::x8:
862  return gpr_x8;
863  case arm64_ehframe::x9:
864  return gpr_x9;
865  case arm64_ehframe::x10:
866  return gpr_x10;
867  case arm64_ehframe::x11:
868  return gpr_x11;
869  case arm64_ehframe::x12:
870  return gpr_x12;
871  case arm64_ehframe::x13:
872  return gpr_x13;
873  case arm64_ehframe::x14:
874  return gpr_x14;
875  case arm64_ehframe::x15:
876  return gpr_x15;
877  case arm64_ehframe::x16:
878  return gpr_x16;
879  case arm64_ehframe::x17:
880  return gpr_x17;
881  case arm64_ehframe::x18:
882  return gpr_x18;
883  case arm64_ehframe::x19:
884  return gpr_x19;
885  case arm64_ehframe::x20:
886  return gpr_x20;
887  case arm64_ehframe::x21:
888  return gpr_x21;
889  case arm64_ehframe::x22:
890  return gpr_x22;
891  case arm64_ehframe::x23:
892  return gpr_x23;
893  case arm64_ehframe::x24:
894  return gpr_x24;
895  case arm64_ehframe::x25:
896  return gpr_x25;
897  case arm64_ehframe::x26:
898  return gpr_x26;
899  case arm64_ehframe::x27:
900  return gpr_x27;
901  case arm64_ehframe::x28:
902  return gpr_x28;
903  case arm64_ehframe::fp:
904  return gpr_fp;
905  case arm64_ehframe::sp:
906  return gpr_sp;
907  case arm64_ehframe::lr:
908  return gpr_lr;
909  case arm64_ehframe::pc:
910  return gpr_pc;
911  case arm64_ehframe::cpsr:
912  return gpr_cpsr;
913  }
914  } else if (kind == eRegisterKindLLDB) {
915  return reg;
916  }
917  return LLDB_INVALID_REGNUM;
918 }
919 
920 uint32_t RegisterContextDarwin_arm64::NumSupportedHardwareWatchpoints() {
921 #if defined(__APPLE__) && (defined(__arm64__) || defined(__aarch64__))
922  // autodetect how many watchpoints are supported dynamically...
923  static uint32_t g_num_supported_hw_watchpoints = UINT32_MAX;
924  if (g_num_supported_hw_watchpoints == UINT32_MAX) {
925  size_t len;
926  uint32_t n = 0;
927  len = sizeof(n);
928  if (::sysctlbyname("hw.optional.watchpoint", &n, &len, NULL, 0) == 0) {
929  g_num_supported_hw_watchpoints = n;
930  }
931  }
932  return g_num_supported_hw_watchpoints;
933 #else
934  // TODO: figure out remote case here!
935  return 2;
936 #endif
937 }
938 
939 uint32_t RegisterContextDarwin_arm64::SetHardwareWatchpoint(lldb::addr_t addr,
940  size_t size,
941  bool read,
942  bool write) {
943  // if (log) log->Printf
944  // ("RegisterContextDarwin_arm64::EnableHardwareWatchpoint(addr = %8.8p,
945  // size = %u, read = %u, write = %u)", addr, size, read, write);
946 
947  const uint32_t num_hw_watchpoints = NumSupportedHardwareWatchpoints();
948 
949  // Can't watch zero bytes
950  if (size == 0)
951  return LLDB_INVALID_INDEX32;
952 
953  // We must watch for either read or write
954  if (!read && !write)
955  return LLDB_INVALID_INDEX32;
956 
957  // Can't watch more than 4 bytes per WVR/WCR pair
958  if (size > 4)
959  return LLDB_INVALID_INDEX32;
960 
961  // We can only watch up to four bytes that follow a 4 byte aligned address
962  // per watchpoint register pair. Since we have at most so we can only watch
963  // until the next 4 byte boundary and we need to make sure we can properly
964  // encode this.
965  uint32_t addr_word_offset = addr % 4;
966  // if (log) log->Printf
967  // ("RegisterContextDarwin_arm64::EnableHardwareWatchpoint() -
968  // addr_word_offset = 0x%8.8x", addr_word_offset);
969 
970  uint32_t byte_mask = ((1u << size) - 1u) << addr_word_offset;
971  // if (log) log->Printf
972  // ("RegisterContextDarwin_arm64::EnableHardwareWatchpoint() - byte_mask =
973  // 0x%8.8x", byte_mask);
974  if (byte_mask > 0xfu)
975  return LLDB_INVALID_INDEX32;
976 
977  // Read the debug state
978  int kret = ReadDBG(false);
979 
980  if (kret == KERN_SUCCESS) {
981  // Check to make sure we have the needed hardware support
982  uint32_t i = 0;
983 
984  for (i = 0; i < num_hw_watchpoints; ++i) {
985  if ((dbg.wcr[i] & WCR_ENABLE) == 0)
986  break; // We found an available hw breakpoint slot (in i)
987  }
988 
989  // See if we found an available hw breakpoint slot above
990  if (i < num_hw_watchpoints) {
991  // Make the byte_mask into a valid Byte Address Select mask
992  uint32_t byte_address_select = byte_mask << 5;
993  // Make sure bits 1:0 are clear in our address
994  dbg.wvr[i] = addr & ~((lldb::addr_t)3);
995  dbg.wcr[i] = byte_address_select | // Which bytes that follow the IMVA
996  // that we will watch
997  S_USER | // Stop only in user mode
998  (read ? WCR_LOAD : 0) | // Stop on read access?
999  (write ? WCR_STORE : 0) | // Stop on write access?
1000  WCR_ENABLE; // Enable this watchpoint;
1001 
1002  kret = WriteDBG();
1003  // if (log) log->Printf
1004  // ("RegisterContextDarwin_arm64::EnableHardwareWatchpoint()
1005  // WriteDBG() => 0x%8.8x.", kret);
1006 
1007  if (kret == KERN_SUCCESS)
1008  return i;
1009  } else {
1010  // if (log) log->Printf
1011  // ("RegisterContextDarwin_arm64::EnableHardwareWatchpoint():
1012  // All hardware resources (%u) are in use.",
1013  // num_hw_watchpoints);
1014  }
1015  }
1016  return LLDB_INVALID_INDEX32;
1017 }
1018 
1019 bool RegisterContextDarwin_arm64::ClearHardwareWatchpoint(uint32_t hw_index) {
1020  int kret = ReadDBG(false);
1021 
1022  const uint32_t num_hw_points = NumSupportedHardwareWatchpoints();
1023  if (kret == KERN_SUCCESS) {
1024  if (hw_index < num_hw_points) {
1025  dbg.wcr[hw_index] = 0;
1026  // if (log) log->Printf
1027  // ("RegisterContextDarwin_arm64::ClearHardwareWatchpoint( %u )
1028  // - WVR%u = 0x%8.8x WCR%u = 0x%8.8x",
1029  // hw_index,
1030  // hw_index,
1031  // dbg.wvr[hw_index],
1032  // hw_index,
1033  // dbg.wcr[hw_index]);
1034 
1035  kret = WriteDBG();
1036 
1037  if (kret == KERN_SUCCESS)
1038  return true;
1039  }
1040  }
1041  return false;
1042 }
RegisterContextDarwin_arm64::WriteFPU
int WriteFPU()
Definition: RegisterContextDarwin_arm64.cpp:215
arm64_dwarf::v5
@ v5
Definition: ARM64_DWARF_Registers.h:86
arm64_dwarf::fp
@ fp
Definition: ARM64_DWARF_Registers.h:47
fpu_s3
@ fpu_s3
Definition: RegisterContextDarwin_arm.cpp:57
arm64_dwarf::x27
@ x27
Definition: ARM64_DWARF_Registers.h:44
arm64_dwarf::v15
@ v15
Definition: ARM64_DWARF_Registers.h:96
arm64_ehframe::x15
@ x15
Definition: ARM64_ehframe_Registers.h:34
k_num_exc_registers
const size_t k_num_exc_registers
Definition: RegisterContextDarwin_arm64.cpp:137
Scalar.h
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Definition: RegisterValue.h:217
arm64_dwarf::x9
@ x9
Definition: ARM64_DWARF_Registers.h:26
arm64_ehframe::x27
@ x27
Definition: ARM64_ehframe_Registers.h:46
arm64_dwarf::pc
@ pc
Definition: ARM64_DWARF_Registers.h:52
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static uint32_t g_fpu_regnums[]
Definition: RegisterContextDarwin_arm64.cpp:82
gpr_pc
@ gpr_pc
Definition: RegisterContextDarwin_arm.cpp:51
arm64_dwarf::x6
@ x6
Definition: ARM64_DWARF_Registers.h:23
LLDB_INVALID_REGNUM
#define LLDB_INVALID_REGNUM
Definition: lldb-defines.h:91
arm64_dwarf::v20
@ v20
Definition: ARM64_DWARF_Registers.h:101
lldb_private::RegisterValue::GetByteSize
uint32_t GetByteSize() const
Definition: RegisterValue.cpp:713
RegisterContextDarwin_arm64::ConvertRegisterKindToRegisterNumber
uint32_t ConvertRegisterKindToRegisterNumber(lldb::RegisterKind kind, uint32_t num) override
Convert from a given register numbering scheme to the lldb register numbering scheme.
Definition: RegisterContextDarwin_arm64.cpp:686
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@ fpu_s0
Definition: RegisterContextDarwin_arm.cpp:54
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@ lr
Definition: ARM64_DWARF_Registers.h:49
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Definition: RegisterValue.h:28
RegisterContextDarwin_arm64::Write
@ Write
Definition: RegisterContextDarwin_arm64.h:120
RegisterContextDarwin_arm64::InvalidateAllRegisters
void InvalidateAllRegisters() override
Definition: RegisterContextDarwin_arm64.cpp:109
lldb::eRegisterKindDWARF
@ eRegisterKindDWARF
the register numbers seen DWARF
Definition: lldb-enumerations.h:229
arm64_dwarf::v22
@ v22
Definition: ARM64_DWARF_Registers.h:103
arm64_ehframe::x0
@ x0
Definition: ARM64_ehframe_Registers.h:19
fpu_s10
@ fpu_s10
Definition: RegisterContextDarwin_arm.cpp:64
arm64_dwarf::x28
@ x28
Definition: ARM64_DWARF_Registers.h:45
arm64_ehframe::x25
@ x25
Definition: ARM64_ehframe_Registers.h:44
fpu_s9
@ fpu_s9
Definition: RegisterContextDarwin_arm.cpp:63
lldb::eRegisterKindGeneric
@ eRegisterKindGeneric
insn ptr reg, stack ptr reg, etc not specific to any particular target
Definition: lldb-enumerations.h:230
fpu_s4
@ fpu_s4
Definition: RegisterContextDarwin_arm.cpp:58
RegisterContextDarwin_arm64::WriteDBG
int WriteDBG()
Definition: RegisterContextDarwin_arm64.cpp:237
RegisterContextDarwin_arm64::~RegisterContextDarwin_arm64
~RegisterContextDarwin_arm64() override
RegisterContextDarwin_arm64::ReadFPU
int ReadFPU(bool force)
Definition: RegisterContextDarwin_arm64.cpp:180
arm64_dwarf::x15
@ x15
Definition: ARM64_DWARF_Registers.h:32
arm64_dwarf::v16
@ v16
Definition: ARM64_DWARF_Registers.h:97
arm64_dwarf::v14
@ v14
Definition: ARM64_DWARF_Registers.h:95
arm64_ehframe::x22
@ x22
Definition: ARM64_ehframe_Registers.h:41
LLDB_LOGF
#define LLDB_LOGF(log,...)
Definition: Log.h:249
RegisterContextDarwin_arm64::GetRegisterCount
size_t GetRegisterCount() override
Definition: RegisterContextDarwin_arm64.cpp:113
arm64_dwarf::x4
@ x4
Definition: ARM64_DWARF_Registers.h:21
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@ x17
Definition: ARM64_ehframe_Registers.h:36
fpu_s5
@ fpu_s5
Definition: RegisterContextDarwin_arm.cpp:59
gpr_cpsr
@ gpr_cpsr
Definition: RegisterContextDarwin_arm.cpp:52
RegisterContextDarwin_arm64::InvalidateAllRegisterStates
void InvalidateAllRegisterStates()
Definition: RegisterContextDarwin_arm64.h:131
fpu_s12
@ fpu_s12
Definition: RegisterContextDarwin_arm.cpp:66
fpu_s19
@ fpu_s19
Definition: RegisterContextDarwin_arm.cpp:73
RegisterContextDarwin_arm64::DoWriteGPR
virtual int DoWriteGPR(lldb::tid_t tid, int flavor, const GPR &gpr)=0
lldb::offset_t
uint64_t offset_t
Definition: lldb-types.h:87
RegisterValue.h
fpu_s8
@ fpu_s8
Definition: RegisterContextDarwin_arm.cpp:62
arm64_ehframe::x10
@ x10
Definition: ARM64_ehframe_Registers.h:29
arm64_ehframe::x11
@ x11
Definition: ARM64_ehframe_Registers.h:30
fpu_s30
@ fpu_s30
Definition: RegisterContextDarwin_arm.cpp:84
arm64_dwarf::x2
@ x2
Definition: ARM64_DWARF_Registers.h:19
RegisterContextDarwin_arm64.h
arm64_dwarf::x20
@ x20
Definition: ARM64_DWARF_Registers.h:37
lldb::addr_t
uint64_t addr_t
Definition: lldb-types.h:83
RegisterContextDarwin_arm64::FPU::fpsr
uint32_t fpsr
Definition: RegisterContextDarwin_arm64.h:82
RegisterContextDarwin_arm64::GetRegisterSetCount
size_t GetRegisterSetCount() override
Definition: RegisterContextDarwin_arm64.cpp:151
arm64_dwarf::x3
@ x3
Definition: ARM64_DWARF_Registers.h:20
g_gpr_regnums
static uint32_t g_gpr_regnums[]
Definition: RegisterContextDarwin_arm64.cpp:74
RegisterContextDarwin_arm64::DBG::wcr
uint64_t wcr[16]
Definition: RegisterContextDarwin_arm64.h:98
WCR_ENABLE
#define WCR_ENABLE
Definition: RegisterContextDarwin_arm.h:40
RegisterContextDarwin_arm64::RegisterContextDarwin_arm64
RegisterContextDarwin_arm64(lldb_private::Thread &thread, uint32_t concrete_frame_idx)
Definition: RegisterContextDarwin_arm64.cpp:96
lldb_private::RegisterValue::SetBytes
void SetBytes(const void *bytes, size_t length, lldb::ByteOrder byte_order)
Definition: RegisterValue.cpp:752
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Definition: RegisterContext.cpp:256
fpu_s23
@ fpu_s23
Definition: RegisterContextDarwin_arm.cpp:77
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@ x5
Definition: ARM64_DWARF_Registers.h:22
Process.h
RegisterContextDarwin_arm64::GPR::lr
uint64_t lr
Definition: RegisterContextDarwin_arm64.h:69
lldb_private::RegisterValue::GetAsUInt64
uint64_t GetAsUInt64(uint64_t fail_value=UINT64_MAX, bool *success_ptr=nullptr) const
Definition: RegisterValue.cpp:563
fpu_s2
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Definition: RegisterContextDarwin_arm.cpp:56
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GPR gpr
Definition: RegisterContextDarwin_arm64.h:122
k_num_register_infos
static size_t k_num_register_infos
Definition: RegisterContextDarwin_arm64.cpp:93
fpu_s20
@ fpu_s20
Definition: RegisterContextDarwin_arm.cpp:74
arm64_dwarf::v24
@ v24
Definition: ARM64_DWARF_Registers.h:105
fpu_s25
@ fpu_s25
Definition: RegisterContextDarwin_arm.cpp:79
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@ x13
Definition: ARM64_ehframe_Registers.h:32
WCR_STORE
#define WCR_STORE
Definition: RegisterContextDarwin_arm.h:44
exc_exception
@ exc_exception
Definition: RegisterContextDarwin_arm.cpp:88
RegisterContextDarwin_arm64::exc_errs
int exc_errs[2]
Definition: RegisterContextDarwin_arm64.h:128
lldb::eRegisterKindEHFrame
@ eRegisterKindEHFrame
the register numbers seen in eh_frame
Definition: lldb-enumerations.h:228
RegisterContextDarwin_arm64::GPR::cpsr
uint32_t cpsr
Definition: RegisterContextDarwin_arm64.h:72
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@ x22
Definition: ARM64_DWARF_Registers.h:39
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lldb::ProcessSP GetProcess() const
Definition: Thread.h:152
LLDB_REGNUM_GENERIC_FLAGS
#define LLDB_REGNUM_GENERIC_FLAGS
Definition: lldb-defines.h:67
lldb_private::RegisterValue::SetUInt64
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Definition: RegisterValue.h:205
RegisterContextDarwin_arm64::kNumErrors
@ kNumErrors
Definition: RegisterContextDarwin_arm64.h:120
arm64_dwarf::v27
@ v27
Definition: ARM64_DWARF_Registers.h:108
arm64_dwarf::v31
@ v31
Definition: ARM64_DWARF_Registers.h:112
gpr_lr
@ gpr_lr
Definition: RegisterContextDarwin_arm.cpp:49
RegisterContextDarwin_arm64::DoWriteDBG
virtual int DoWriteDBG(lldb::tid_t tid, int flavor, const DBG &dbg)=0
arm64_dwarf::x24
@ x24
Definition: ARM64_DWARF_Registers.h:41
lldb_private::RegisterContext::m_thread
Thread & m_thread
Definition: RegisterContext.h:234
arm64_dwarf::x8
@ x8
Definition: ARM64_DWARF_Registers.h:25
arm64_dwarf::v11
@ v11
Definition: ARM64_DWARF_Registers.h:92
RegisterContextDarwin_arm64::GPR::fp
uint64_t fp
Definition: RegisterContextDarwin_arm64.h:68
arm64_ehframe::x5
@ x5
Definition: ARM64_ehframe_Registers.h:24
lldb::eRegisterKindLLDB
@ eRegisterKindLLDB
lldb's internal register numbers
Definition: lldb-enumerations.h:234
arm64_ehframe::x12
@ x12
Definition: ARM64_ehframe_Registers.h:31
WCR_LOAD
#define WCR_LOAD
Definition: RegisterContextDarwin_arm.h:43
RegisterContextDarwin_arm64::EXC::far
uint64_t far
Definition: RegisterContextDarwin_arm64.h:88
lldb_private::DataExtractor
Definition: DataExtractor.h:48
Log.h
RegisterContextDarwin_arm64::GPRRegSet
@ GPRRegSet
Definition: RegisterContextDarwin_arm64.h:106
arm64_dwarf::x16
@ x16
Definition: ARM64_DWARF_Registers.h:33
k_num_regsets
const size_t k_num_regsets
Definition: RegisterContextDarwin_arm64.cpp:149
KERN_SUCCESS
#define KERN_SUCCESS
Constants returned by various RegisterContextDarwin_*** functions.
Definition: RegisterContextDarwinConstants.h:16
arm64_dwarf::x14
@ x14
Definition: ARM64_DWARF_Registers.h:31
lldb_private::Thread
Definition: Thread.h:60
arm64_dwarf::x18
@ x18
Definition: ARM64_DWARF_Registers.h:35
arm64_dwarf::v6
@ v6
Definition: ARM64_DWARF_Registers.h:87
lldb_private::RegisterValue::GetBytes
const void * GetBytes() const
Definition: RegisterValue.cpp:693
RegisterContextDarwin_arm64::DoReadFPU
virtual int DoReadFPU(lldb::tid_t tid, int flavor, FPU &fpu)=0
RegisterContextDarwin_arm64::EXC::esr
uint32_t esr
Definition: RegisterContextDarwin_arm64.h:89
k_num_fpu_registers
const size_t k_num_fpu_registers
Definition: RegisterContextDarwin_arm64.cpp:136
RegisterContextDarwin_arm64::DoWriteEXC
virtual int DoWriteEXC(lldb::tid_t tid, int flavor, const EXC &exc)=0
RegisterContextDarwin_arm64::DoReadEXC
virtual int DoReadEXC(lldb::tid_t tid, int flavor, EXC &exc)=0
arm64_dwarf::x17
@ x17
Definition: ARM64_DWARF_Registers.h:34
lldb_private::RegisterValue::SetDouble
void SetDouble(double f)
Definition: RegisterValue.h:222
lldb_private::DataExtractor::GetDouble
double GetDouble(lldb::offset_t *offset_ptr) const
Definition: DataExtractor.cpp:628
arm64_ehframe::x20
@ x20
Definition: ARM64_ehframe_Registers.h:39
arm64_dwarf::v10
@ v10
Definition: ARM64_DWARF_Registers.h:91
arm64_ehframe::x19
@ x19
Definition: ARM64_ehframe_Registers.h:38
arm64_dwarf::v18
@ v18
Definition: ARM64_DWARF_Registers.h:99
arm64_dwarf::v23
@ v23
Definition: ARM64_DWARF_Registers.h:104
fpu_s15
@ fpu_s15
Definition: RegisterContextDarwin_arm.cpp:69
RegisterContextDarwin_arm64::WriteGPR
int WriteGPR()
Definition: RegisterContextDarwin_arm64.cpp:204
RegisterContextDarwin_arm64::GPR::x
uint64_t x[29]
Definition: RegisterContextDarwin_arm64.h:67
arm64_dwarf::cpsr
@ cpsr
Definition: ARM64_DWARF_Registers.h:53
RegisterContextDarwin_arm64::ReadRegisterSet
int ReadRegisterSet(uint32_t set, bool force)
Definition: RegisterContextDarwin_arm64.cpp:248
arm64_dwarf::v9
@ v9
Definition: ARM64_DWARF_Registers.h:90
RegisterContextDarwin_arm64::EXCRegSet
@ EXCRegSet
Definition: RegisterContextDarwin_arm64.h:108
RegisterContextDarwin_arm64::DBG::wvr
uint64_t wvr[16]
Definition: RegisterContextDarwin_arm64.h:97
RegisterInfos_arm64.h
RegisterContextDarwin_arm64::DoWriteFPU
virtual int DoWriteFPU(lldb::tid_t tid, int flavor, const FPU &fpu)=0
S_USER
#define S_USER
Definition: RegisterContextDarwin_arm.h:36
RegisterContextDarwin_arm64::DoReadGPR
virtual int DoReadGPR(lldb::tid_t tid, int flavor, GPR &gpr)
Definition: RegisterContextDarwin_arm64.h:202
RegisterContextDarwin_arm64::Read
@ Read
Definition: RegisterContextDarwin_arm64.h:120
arm64_dwarf::v19
@ v19
Definition: ARM64_DWARF_Registers.h:100
arm64_dwarf::v21
@ v21
Definition: ARM64_DWARF_Registers.h:102
arm64_dwarf::x10
@ x10
Definition: ARM64_DWARF_Registers.h:27
arm64_ehframe::cpsr
@ cpsr
Definition: ARM64_ehframe_Registers.h:52
fpu_s28
@ fpu_s28
Definition: RegisterContextDarwin_arm.cpp:82
set
set(option_framework FRAMEWORK) endif() if(LLDB_ENABLE_PYTHON) get_target_property(python_bindings_dir swig_wrapper_python BINARY_DIR) set(lldb_python_wrapper $
Definition: API/CMakeLists.txt:9
arm64_ehframe::x28
@ x28
Definition: ARM64_ehframe_Registers.h:47
REG_CONTEXT_SIZE
#define REG_CONTEXT_SIZE
Definition: RegisterContextDarwin_arm64.cpp:63
arm64_dwarf::v30
@ v30
Definition: ARM64_DWARF_Registers.h:111
lldb_private::DataExtractor::GetFloat
float GetFloat(lldb::offset_t *offset_ptr) const
Extract a float from *offset_ptr.
Definition: DataExtractor.cpp:624
arm64_ehframe::x14
@ x14
Definition: ARM64_ehframe_Registers.h:33
arm64_dwarf::x13
@ x13
Definition: ARM64_DWARF_Registers.h:30
Thread.h
arm64_ehframe::x3
@ x3
Definition: ARM64_ehframe_Registers.h:22
RegisterContextDarwin_arm64::ClearHardwareWatchpoint
bool ClearHardwareWatchpoint(uint32_t hw_index) override
Definition: RegisterContextDarwin_arm64.cpp:1019
lldb_private::RegisterContext
Definition: RegisterContext.h:17
fpu_s11
@ fpu_s11
Definition: RegisterContextDarwin_arm.cpp:65
InstructionUtils.h
arm64_dwarf::x1
@ x1
Definition: ARM64_DWARF_Registers.h:18
ARM64_DWARF_Registers.h
lldb::RegisterKind
RegisterKind
Register numbering types.
Definition: lldb-enumerations.h:227
RegisterContextDarwin_arm64::DoReadDBG
virtual int DoReadDBG(lldb::tid_t tid, int flavor, DBG &dbg)=0
RegisterContextDarwin_arm64::NumSupportedHardwareWatchpoints
uint32_t NumSupportedHardwareWatchpoints() override
Definition: RegisterContextDarwin_arm64.cpp:920
RegisterContextDarwin_arm64::ReadEXC
int ReadEXC(bool force)
Definition: RegisterContextDarwin_arm64.cpp:188
RegisterContextDarwin_arm64::GetRegisterSet
const lldb_private::RegisterSet * GetRegisterSet(size_t set) override
Definition: RegisterContextDarwin_arm64.cpp:155
arm64_dwarf::v28
@ v28
Definition: ARM64_DWARF_Registers.h:109
RegisterContextDarwin_arm64::WriteRegister
bool WriteRegister(const lldb_private::RegisterInfo *reg_info, const lldb_private::RegisterValue &reg_value) override
Definition: RegisterContextDarwin_arm64.cpp:536
arm64_dwarf::v17
@ v17
Definition: ARM64_DWARF_Registers.h:98
RegisterContextDarwin_arm64::GetRegisterInfos
static const lldb_private::RegisterInfo * GetRegisterInfos()
Definition: RegisterContextDarwin_arm64.cpp:130
arm64_ehframe::x7
@ x7
Definition: ARM64_ehframe_Registers.h:26
RegisterContextDarwin_arm64::SetError
bool SetError(int flavor, uint32_t err_idx, int err)
Definition: RegisterContextDarwin_arm64.h:157
RegisterContextDarwin_arm64::FPURegSet
@ FPURegSet
Definition: RegisterContextDarwin_arm64.h:107
fpu_s21
@ fpu_s21
Definition: RegisterContextDarwin_arm.cpp:75
fpu_s6
@ fpu_s6
Definition: RegisterContextDarwin_arm.cpp:60
arm64_dwarf::x0
@ x0
Definition: ARM64_DWARF_Registers.h:17
RegisterContextDarwin_arm64::fpu_errs
int fpu_errs[2]
Definition: RegisterContextDarwin_arm64.h:127
lldb_private::RegisterValue::SetUInt32
void SetUInt32(uint32_t uint, Type t=eTypeUInt32)
Definition: RegisterValue.h:200
arm64_dwarf::sp
@ sp
Definition: ARM64_DWARF_Registers.h:51
fpu_s31
@ fpu_s31
Definition: RegisterContextDarwin_arm.cpp:85
RegisterContextDarwin_arm64::DBG
Definition: RegisterContextDarwin_arm64.h:94
arm64_dwarf::v2
@ v2
Definition: ARM64_DWARF_Registers.h:83
RegisterContextDarwin_arm64::GPR::sp
uint64_t sp
Definition: RegisterContextDarwin_arm64.h:70
fpu_s24
@ fpu_s24
Definition: RegisterContextDarwin_arm.cpp:78
fpu_s27
@ fpu_s27
Definition: RegisterContextDarwin_arm.cpp:81
arm64_dwarf::x23
@ x23
Definition: ARM64_DWARF_Registers.h:40
k_num_registers
@ k_num_registers
Definition: RegisterContextDarwin_arm.cpp:160
RegisterContextDarwin_arm64::dbg
DBG dbg
Definition: RegisterContextDarwin_arm64.h:125
uint32_t
fpu_s1
@ fpu_s1
Definition: RegisterContextDarwin_arm.cpp:55
arm64_ehframe::x2
@ x2
Definition: ARM64_ehframe_Registers.h:21
fpu_s18
@ fpu_s18
Definition: RegisterContextDarwin_arm.cpp:72
RegisterContextDarwin_arm64::gpr_errs
int gpr_errs[2]
Definition: RegisterContextDarwin_arm64.h:126
arm64_ehframe::lr
@ lr
Definition: ARM64_ehframe_Registers.h:49
k_num_gpr_registers
const size_t k_num_gpr_registers
Definition: RegisterContextDarwin_arm64.cpp:135
arm64_ehframe::x6
@ x6
Definition: ARM64_ehframe_Registers.h:25
RegisterContextDarwin_arm64::FPU::v
VReg v[32]
Definition: RegisterContextDarwin_arm64.h:81
LLDB_REGNUM_GENERIC_SP
#define LLDB_REGNUM_GENERIC_SP
Definition: lldb-defines.h:64
lldb_private::DataExtractor::GetMaxU64
uint64_t GetMaxU64(lldb::offset_t *offset_ptr, size_t byte_size) const
Extract an unsigned integer of size byte_size from *offset_ptr.
Definition: DataExtractor.cpp:526
fpu_s17
@ fpu_s17
Definition: RegisterContextDarwin_arm.cpp:71
RegisterContextDarwin_arm64::DBG::bcr
uint64_t bcr[16]
Definition: RegisterContextDarwin_arm64.h:96
arm64_ehframe::x18
@ x18
Definition: ARM64_ehframe_Registers.h:37
lldb_private::endian::InlHostByteOrder
lldb::ByteOrder InlHostByteOrder()
Definition: Endian.h:25
arm64_dwarf::x7
@ x7
Definition: ARM64_DWARF_Registers.h:24
RegisterContextDarwin_arm64::WriteEXC
int WriteEXC()
Definition: RegisterContextDarwin_arm64.cpp:226
RegisterContextDarwin_arm64::ReadAllRegisterValues
bool ReadAllRegisterValues(lldb::DataBufferSP &data_sp) override
Definition: RegisterContextDarwin_arm64.cpp:645
fpu_s7
@ fpu_s7
Definition: RegisterContextDarwin_arm.cpp:61
arm64_dwarf::x26
@ x26
Definition: ARM64_DWARF_Registers.h:43
arm64_ehframe::x26
@ x26
Definition: ARM64_ehframe_Registers.h:45
arm64_dwarf::v12
@ v12
Definition: ARM64_DWARF_Registers.h:93
UINT32_MAX
#define UINT32_MAX
Definition: lldb-defines.h:31
arm64_dwarf::v25
@ v25
Definition: ARM64_DWARF_Registers.h:106
fpu_s14
@ fpu_s14
Definition: RegisterContextDarwin_arm.cpp:68
RegisterContextDarwin_arm64::RegisterSetIsCached
bool RegisterSetIsCached(int set) const
Definition: RegisterContextDarwin_arm64.h:183
arm64_ehframe::x4
@ x4
Definition: ARM64_ehframe_Registers.h:23
RegisterContextDarwin_arm64::GPR::pc
uint64_t pc
Definition: RegisterContextDarwin_arm64.h:71
gpr_sp
@ gpr_sp
Definition: RegisterContextDarwin_arm.cpp:47
RegisterContextDarwin_arm64::ReadDBG
int ReadDBG(bool force)
Definition: RegisterContextDarwin_arm64.cpp:196
fpu_s13
@ fpu_s13
Definition: RegisterContextDarwin_arm.cpp:67
RegisterContextDarwin_arm64::WriteAllRegisterValues
bool WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) override
Definition: RegisterContextDarwin_arm64.cpp:663
arm64_ehframe::x9
@ x9
Definition: ARM64_ehframe_Registers.h:28
lldb_private::RegisterValue::SetValueToInvalid
void SetValueToInvalid()
Definition: RegisterValue.h:140
RegisterContextDarwin_arm64::DBG::bvr
uint64_t bvr[16]
Definition: RegisterContextDarwin_arm64.h:95
arm64_ehframe::fp
@ fp
Definition: ARM64_ehframe_Registers.h:48
DataExtractor.h
fpu_s22
@ fpu_s22
Definition: RegisterContextDarwin_arm.cpp:76
RegisterContextDarwin_arm64::EXC::exception
uint32_t exception
Definition: RegisterContextDarwin_arm64.h:90
RegisterContextDarwin_arm64::LogDBGRegisters
static void LogDBGRegisters(lldb_private::Log *log, const DBG &dbg)
Definition: RegisterContextDarwin_arm64.cpp:283
RegisterContextDarwin_arm64::FPU::fpcr
uint32_t fpcr
Definition: RegisterContextDarwin_arm64.h:83
lldb_private
A class that represents a running process on the host machine.
Definition: SBCommandInterpreterRunOptions.h:16
arm64_dwarf::v4
@ v4
Definition: ARM64_DWARF_Registers.h:85
arm64_dwarf::v3
@ v3
Definition: ARM64_DWARF_Registers.h:84
LLDB_REGNUM_GENERIC_FP
#define LLDB_REGNUM_GENERIC_FP
Definition: lldb-defines.h:65
LLDB_REGNUM_GENERIC_PC
#define LLDB_REGNUM_GENERIC_PC
Definition: lldb-defines.h:63
RegisterContextDarwin_arm64::exc
EXC exc
Definition: RegisterContextDarwin_arm64.h:124
RegisterContextDarwin_arm64::SetHardwareWatchpoint
uint32_t SetHardwareWatchpoint(lldb::addr_t addr, size_t size, bool read, bool write) override
Definition: RegisterContextDarwin_arm64.cpp:939
fpu_s29
@ fpu_s29
Definition: RegisterContextDarwin_arm.cpp:83
arm64_ehframe::x23
@ x23
Definition: ARM64_ehframe_Registers.h:42
g_exc_regnums
static uint32_t g_exc_regnums[]
Definition: RegisterContextDarwin_arm64.cpp:91
arm64_dwarf::v1
@ v1
Definition: ARM64_DWARF_Registers.h:82
fpu_s26
@ fpu_s26
Definition: RegisterContextDarwin_arm.cpp:80
LLDB_INVALID_INDEX32
#define LLDB_INVALID_INDEX32
Definition: lldb-defines.h:87
RegisterContextDarwinConstants.h
arm64_dwarf::v0
@ v0
Definition: ARM64_DWARF_Registers.h:81
arm64_dwarf::v13
@ v13
Definition: ARM64_DWARF_Registers.h:94
arm64_dwarf::v26
@ v26
Definition: ARM64_DWARF_Registers.h:107
arm64_dwarf::v29
@ v29
Definition: ARM64_DWARF_Registers.h:110
arm64_ehframe::sp
@ sp
Definition: ARM64_ehframe_Registers.h:50
lldb_private::Log
Definition: Log.h:49
RegisterContextDarwin_arm64::GetSetForNativeRegNum
static int GetSetForNativeRegNum(int reg_num)
Definition: RegisterContextDarwin_arm64.cpp:162
g_reg_sets
static const RegisterSet g_reg_sets[]
Definition: RegisterContextDarwin_arm64.cpp:142
arm64_dwarf::x25
@ x25
Definition: ARM64_DWARF_Registers.h:42
RegisterContextDarwin_arm64::VReg::bytes
char bytes[16]
Definition: RegisterContextDarwin_arm64.h:76
fpu_s16
@ fpu_s16
Definition: RegisterContextDarwin_arm.cpp:70
RegisterContextDarwin_arm64::DBGRegSet
@ DBGRegSet
Definition: RegisterContextDarwin_arm64.h:109
arm64_ehframe::x1
@ x1
Definition: ARM64_ehframe_Registers.h:20
RegisterContextDarwin_arm64::GetRegisterInfosCount
static size_t GetRegisterInfosCount()
Definition: RegisterContextDarwin_arm64.cpp:126
KERN_INVALID_ARGUMENT
#define KERN_INVALID_ARGUMENT
Definition: RegisterContextDarwinConstants.h:20
arm64_ehframe::pc
@ pc
Definition: ARM64_ehframe_Registers.h:51
lldb_private::RegisterValue::GetAsUInt32
uint32_t GetAsUInt32(uint32_t fail_value=UINT32_MAX, bool *success_ptr=nullptr) const
Definition: RegisterValue.cpp:533
arm64_dwarf::v7
@ v7
Definition: ARM64_DWARF_Registers.h:88
RegisterContextDarwin_arm64::ReadGPR
int ReadGPR(bool force)
Definition: RegisterContextDarwin_arm64.cpp:172
lldb
Definition: SBAddress.h:15
RegisterContextDarwin_arm64::ReadRegister
bool ReadRegister(const lldb_private::RegisterInfo *reg_info, lldb_private::RegisterValue &reg_value) override
Definition: RegisterContextDarwin_arm64.cpp:294
arm64_ehframe::x8
@ x8
Definition: ARM64_ehframe_Registers.h:27
Endian.h
RegisterContextDarwin_arm64::GetError
int GetError(int flavor, uint32_t err_idx) const
Definition: RegisterContextDarwin_arm64.h:137
arm64_dwarf::x11
@ x11
Definition: ARM64_DWARF_Registers.h:28
arm64_dwarf::v8
@ v8
Definition: ARM64_DWARF_Registers.h:89
RegisterContextDarwin_arm64::fpu
FPU fpu
Definition: RegisterContextDarwin_arm64.h:123
arm64_ehframe::x24
@ x24
Definition: ARM64_ehframe_Registers.h:43
exc_far
@ exc_far
Definition: RegisterContextDarwin_arm.cpp:90
DataBufferHeap.h
RegisterContextDarwin_arm64::GetRegisterInfoAtIndex
const lldb_private::RegisterInfo * GetRegisterInfoAtIndex(size_t reg) override
Definition: RegisterContextDarwin_arm64.cpp:119
RegisterContextDarwin_arm64::WriteRegisterSet
int WriteRegisterSet(uint32_t set)
Definition: RegisterContextDarwin_arm64.cpp:264
arm64_dwarf::x21
@ x21
Definition: ARM64_DWARF_Registers.h:38
arm64_ehframe::x16
@ x16
Definition: ARM64_ehframe_Registers.h:35
arm64_dwarf::x12
@ x12
Definition: ARM64_DWARF_Registers.h:29
LLDB_REGNUM_GENERIC_RA
#define LLDB_REGNUM_GENERIC_RA
Definition: lldb-defines.h:66
arm64_ehframe::x21
@ x21
Definition: ARM64_ehframe_Registers.h:40
arm64_dwarf::x19
@ x19
Definition: ARM64_DWARF_Registers.h:36
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