LLDB  mainline
InstrumentationRuntimeTSan.cpp
Go to the documentation of this file.
1 //===-- InstrumentationRuntimeTSan.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 
10 
13 #include "lldb/Core/Debugger.h"
14 #include "lldb/Core/Module.h"
17 #include "lldb/Core/StreamFile.h"
18 #include "lldb/Core/ValueObject.h"
21 #include "lldb/Symbol/Symbol.h"
23 #include "lldb/Symbol/Variable.h"
27 #include "lldb/Target/StopInfo.h"
28 #include "lldb/Target/Target.h"
29 #include "lldb/Target/Thread.h"
31 #include "lldb/Utility/Stream.h"
32 
33 #include <memory>
34 
35 using namespace lldb;
36 using namespace lldb_private;
37 
39 
40 lldb::InstrumentationRuntimeSP
41 InstrumentationRuntimeTSan::CreateInstance(const lldb::ProcessSP &process_sp) {
42  return InstrumentationRuntimeSP(new InstrumentationRuntimeTSan(process_sp));
43 }
44 
45 void InstrumentationRuntimeTSan::Initialize() {
46  PluginManager::RegisterPlugin(
47  GetPluginNameStatic(), "ThreadSanitizer instrumentation runtime plugin.",
48  CreateInstance, GetTypeStatic);
49 }
50 
51 void InstrumentationRuntimeTSan::Terminate() {
52  PluginManager::UnregisterPlugin(CreateInstance);
53 }
54 
55 lldb::InstrumentationRuntimeType InstrumentationRuntimeTSan::GetTypeStatic() {
57 }
58 
59 InstrumentationRuntimeTSan::~InstrumentationRuntimeTSan() { Deactivate(); }
60 
62 extern "C"
63 {
64  void *__tsan_get_current_report();
65  int __tsan_get_report_data(void *report, const char **description, int *count,
66  int *stack_count, int *mop_count, int *loc_count,
67  int *mutex_count, int *thread_count,
68  int *unique_tid_count, void **sleep_trace,
69  unsigned long trace_size);
70  int __tsan_get_report_stack(void *report, unsigned long idx, void **trace,
71  unsigned long trace_size);
72  int __tsan_get_report_mop(void *report, unsigned long idx, int *tid, void **addr,
73  int *size, int *write, int *atomic, void **trace,
74  unsigned long trace_size);
75  int __tsan_get_report_loc(void *report, unsigned long idx, const char **type,
76  void **addr, unsigned long *start, unsigned long *size, int *tid,
77  int *fd, int *suppressable, void **trace,
78  unsigned long trace_size);
79  int __tsan_get_report_mutex(void *report, unsigned long idx, unsigned long *mutex_id, void **addr,
80  int *destroyed, void **trace, unsigned long trace_size);
81  int __tsan_get_report_thread(void *report, unsigned long idx, int *tid, unsigned long *os_id,
82  int *running, const char **name, int *parent_tid,
83  void **trace, unsigned long trace_size);
84  int __tsan_get_report_unique_tid(void *report, unsigned long idx, int *tid);
85 
86  // TODO: dlsym won't work on Windows.
87  void *dlsym(void* handle, const char* symbol);
88  int (*ptr__tsan_get_report_loc_object_type)(void *report, unsigned long idx, const char **object_type);
89 }
90 
91 const int REPORT_TRACE_SIZE = 128;
92 const int REPORT_ARRAY_SIZE = 4;
93 
94 struct data {
95  void *report;
96  const char *description;
97  int report_count;
98 
99  void *sleep_trace[REPORT_TRACE_SIZE];
100 
101  int stack_count;
102  struct {
103  int idx;
104  void *trace[REPORT_TRACE_SIZE];
105  } stacks[REPORT_ARRAY_SIZE];
106 
107  int mop_count;
108  struct {
109  int idx;
110  int tid;
111  int size;
112  int write;
113  int atomic;
114  void *addr;
115  void *trace[REPORT_TRACE_SIZE];
116  } mops[REPORT_ARRAY_SIZE];
117 
118  int loc_count;
119  struct {
120  int idx;
121  const char *type;
122  void *addr;
123  unsigned long start;
124  unsigned long size;
125  int tid;
126  int fd;
127  int suppressable;
128  void *trace[REPORT_TRACE_SIZE];
129  const char *object_type;
130  } locs[REPORT_ARRAY_SIZE];
131 
132  int mutex_count;
133  struct {
134  int idx;
135  unsigned long mutex_id;
136  void *addr;
137  int destroyed;
138  void *trace[REPORT_TRACE_SIZE];
139  } mutexes[REPORT_ARRAY_SIZE];
140 
141  int thread_count;
142  struct {
143  int idx;
144  int tid;
145  unsigned long os_id;
146  int running;
147  const char *name;
148  int parent_tid;
149  void *trace[REPORT_TRACE_SIZE];
150  } threads[REPORT_ARRAY_SIZE];
151 
152  int unique_tid_count;
153  struct {
154  int idx;
155  int tid;
156  } unique_tids[REPORT_ARRAY_SIZE];
157 };
158 )";
159 
161 data t = {0};
162 
163 ptr__tsan_get_report_loc_object_type = (typeof(ptr__tsan_get_report_loc_object_type))(void *)dlsym((void*)-2 /*RTLD_DEFAULT*/, "__tsan_get_report_loc_object_type");
164 
165 t.report = __tsan_get_current_report();
166 __tsan_get_report_data(t.report, &t.description, &t.report_count, &t.stack_count, &t.mop_count, &t.loc_count, &t.mutex_count, &t.thread_count, &t.unique_tid_count, t.sleep_trace, REPORT_TRACE_SIZE);
167 
168 if (t.stack_count > REPORT_ARRAY_SIZE) t.stack_count = REPORT_ARRAY_SIZE;
169 for (int i = 0; i < t.stack_count; i++) {
170  t.stacks[i].idx = i;
171  __tsan_get_report_stack(t.report, i, t.stacks[i].trace, REPORT_TRACE_SIZE);
172 }
173 
174 if (t.mop_count > REPORT_ARRAY_SIZE) t.mop_count = REPORT_ARRAY_SIZE;
175 for (int i = 0; i < t.mop_count; i++) {
176  t.mops[i].idx = i;
177  __tsan_get_report_mop(t.report, i, &t.mops[i].tid, &t.mops[i].addr, &t.mops[i].size, &t.mops[i].write, &t.mops[i].atomic, t.mops[i].trace, REPORT_TRACE_SIZE);
178 }
179 
180 if (t.loc_count > REPORT_ARRAY_SIZE) t.loc_count = REPORT_ARRAY_SIZE;
181 for (int i = 0; i < t.loc_count; i++) {
182  t.locs[i].idx = i;
183  __tsan_get_report_loc(t.report, i, &t.locs[i].type, &t.locs[i].addr, &t.locs[i].start, &t.locs[i].size, &t.locs[i].tid, &t.locs[i].fd, &t.locs[i].suppressable, t.locs[i].trace, REPORT_TRACE_SIZE);
184  if (ptr__tsan_get_report_loc_object_type)
185  ptr__tsan_get_report_loc_object_type(t.report, i, &t.locs[i].object_type);
186 }
187 
188 if (t.mutex_count > REPORT_ARRAY_SIZE) t.mutex_count = REPORT_ARRAY_SIZE;
189 for (int i = 0; i < t.mutex_count; i++) {
190  t.mutexes[i].idx = i;
191  __tsan_get_report_mutex(t.report, i, &t.mutexes[i].mutex_id, &t.mutexes[i].addr, &t.mutexes[i].destroyed, t.mutexes[i].trace, REPORT_TRACE_SIZE);
192 }
193 
194 if (t.thread_count > REPORT_ARRAY_SIZE) t.thread_count = REPORT_ARRAY_SIZE;
195 for (int i = 0; i < t.thread_count; i++) {
196  t.threads[i].idx = i;
197  __tsan_get_report_thread(t.report, i, &t.threads[i].tid, &t.threads[i].os_id, &t.threads[i].running, &t.threads[i].name, &t.threads[i].parent_tid, t.threads[i].trace, REPORT_TRACE_SIZE);
198 }
199 
200 if (t.unique_tid_count > REPORT_ARRAY_SIZE) t.unique_tid_count = REPORT_ARRAY_SIZE;
201 for (int i = 0; i < t.unique_tid_count; i++) {
202  t.unique_tids[i].idx = i;
203  __tsan_get_report_unique_tid(t.report, i, &t.unique_tids[i].tid);
204 }
205 
206 t;
207 )";
208 
209 static StructuredData::Array *
210 CreateStackTrace(ValueObjectSP o,
211  const std::string &trace_item_name = ".trace") {
213  ValueObjectSP trace_value_object =
214  o->GetValueForExpressionPath(trace_item_name.c_str());
215  size_t count = trace_value_object->GetNumChildren();
216  for (size_t j = 0; j < count; j++) {
217  addr_t trace_addr =
218  trace_value_object->GetChildAtIndex(j, true)->GetValueAsUnsigned(0);
219  if (trace_addr == 0)
220  break;
221  trace->AddItem(
223  }
224  return trace;
225 }
226 
228  ValueObjectSP return_value_sp, const std::string &items_name,
229  const std::string &count_name,
230  std::function<void(ValueObjectSP o, StructuredData::Dictionary *dict)> const
231  &callback) {
233  unsigned int count =
234  return_value_sp->GetValueForExpressionPath(count_name.c_str())
235  ->GetValueAsUnsigned(0);
236  ValueObjectSP objects =
237  return_value_sp->GetValueForExpressionPath(items_name.c_str());
238  for (unsigned int i = 0; i < count; i++) {
239  ValueObjectSP o = objects->GetChildAtIndex(i, true);
241 
242  callback(o, dict);
243 
244  array->AddItem(StructuredData::ObjectSP(dict));
245  }
246  return array;
247 }
248 
249 static std::string RetrieveString(ValueObjectSP return_value_sp,
250  ProcessSP process_sp,
251  const std::string &expression_path) {
252  addr_t ptr =
253  return_value_sp->GetValueForExpressionPath(expression_path.c_str())
254  ->GetValueAsUnsigned(0);
255  std::string str;
256  Status error;
257  process_sp->ReadCStringFromMemory(ptr, str, error);
258  return str;
259 }
260 
261 static void
262 GetRenumberedThreadIds(ProcessSP process_sp, ValueObjectSP data,
263  std::map<uint64_t, user_id_t> &thread_id_map) {
265  data, ".threads", ".thread_count",
266  [process_sp, &thread_id_map](ValueObjectSP o,
268  uint64_t thread_id =
269  o->GetValueForExpressionPath(".tid")->GetValueAsUnsigned(0);
270  uint64_t thread_os_id =
271  o->GetValueForExpressionPath(".os_id")->GetValueAsUnsigned(0);
272  user_id_t lldb_user_id = 0;
273 
274  bool can_update = true;
275  ThreadSP lldb_thread = process_sp->GetThreadList().FindThreadByID(
276  thread_os_id, can_update);
277  if (lldb_thread) {
278  lldb_user_id = lldb_thread->GetIndexID();
279  } else {
280  // This isn't a live thread anymore. Ask process to assign a new
281  // Index ID (or return an old one if we've already seen this
282  // thread_os_id). It will also make sure that no new threads are
283  // assigned this Index ID.
284  lldb_user_id = process_sp->AssignIndexIDToThread(thread_os_id);
285  }
286 
287  thread_id_map[thread_id] = lldb_user_id;
288  });
289 }
290 
291 static user_id_t Renumber(uint64_t id,
292  std::map<uint64_t, user_id_t> &thread_id_map) {
293  auto IT = thread_id_map.find(id);
294  if (IT == thread_id_map.end())
295  return 0;
296 
297  return IT->second;
298 }
299 
300 StructuredData::ObjectSP InstrumentationRuntimeTSan::RetrieveReportData(
301  ExecutionContextRef exe_ctx_ref) {
302  ProcessSP process_sp = GetProcessSP();
303  if (!process_sp)
304  return StructuredData::ObjectSP();
305 
306  ThreadSP thread_sp = exe_ctx_ref.GetThreadSP();
307  StackFrameSP frame_sp = thread_sp->GetSelectedFrame();
308 
309  if (!frame_sp)
310  return StructuredData::ObjectSP();
311 
313  options.SetUnwindOnError(true);
314  options.SetTryAllThreads(true);
315  options.SetStopOthers(true);
316  options.SetIgnoreBreakpoints(true);
317  options.SetTimeout(process_sp->GetUtilityExpressionTimeout());
319  options.SetAutoApplyFixIts(false);
321 
322  ValueObjectSP main_value;
323  ExecutionContext exe_ctx;
324  Status eval_error;
325  frame_sp->CalculateExecutionContext(exe_ctx);
326  ExpressionResults result = UserExpression::Evaluate(
327  exe_ctx, options, thread_sanitizer_retrieve_report_data_command, "",
328  main_value, eval_error);
329  if (result != eExpressionCompleted) {
330  StreamString ss;
331  ss << "cannot evaluate ThreadSanitizer expression:\n";
332  ss << eval_error.AsCString();
333  Debugger::ReportWarning(ss.GetString().str(),
334  process_sp->GetTarget().GetDebugger().GetID());
335  return StructuredData::ObjectSP();
336  }
337 
338  std::map<uint64_t, user_id_t> thread_id_map;
339  GetRenumberedThreadIds(process_sp, main_value, thread_id_map);
340 
342  dict->AddStringItem("instrumentation_class", "ThreadSanitizer");
343  dict->AddStringItem("issue_type",
344  RetrieveString(main_value, process_sp, ".description"));
345  dict->AddIntegerItem("report_count",
346  main_value->GetValueForExpressionPath(".report_count")
347  ->GetValueAsUnsigned(0));
349  main_value, ".sleep_trace")));
350 
352  main_value, ".stacks", ".stack_count",
353  [thread_sp](ValueObjectSP o, StructuredData::Dictionary *dict) {
354  dict->AddIntegerItem(
355  "index",
356  o->GetValueForExpressionPath(".idx")->GetValueAsUnsigned(0));
358  // "stacks" happen on the current thread
359  dict->AddIntegerItem("thread_id", thread_sp->GetIndexID());
360  });
361  dict->AddItem("stacks", StructuredData::ObjectSP(stacks));
362 
364  main_value, ".mops", ".mop_count",
365  [&thread_id_map](ValueObjectSP o, StructuredData::Dictionary *dict) {
366  dict->AddIntegerItem(
367  "index",
368  o->GetValueForExpressionPath(".idx")->GetValueAsUnsigned(0));
369  dict->AddIntegerItem(
370  "thread_id",
371  Renumber(
372  o->GetValueForExpressionPath(".tid")->GetValueAsUnsigned(0),
373  thread_id_map));
374  dict->AddIntegerItem(
375  "size",
376  o->GetValueForExpressionPath(".size")->GetValueAsUnsigned(0));
377  dict->AddBooleanItem(
378  "is_write",
379  o->GetValueForExpressionPath(".write")->GetValueAsUnsigned(0));
380  dict->AddBooleanItem(
381  "is_atomic",
382  o->GetValueForExpressionPath(".atomic")->GetValueAsUnsigned(0));
383  dict->AddIntegerItem(
384  "address",
385  o->GetValueForExpressionPath(".addr")->GetValueAsUnsigned(0));
387  });
388  dict->AddItem("mops", StructuredData::ObjectSP(mops));
389 
391  main_value, ".locs", ".loc_count",
392  [process_sp, &thread_id_map](ValueObjectSP o,
394  dict->AddIntegerItem(
395  "index",
396  o->GetValueForExpressionPath(".idx")->GetValueAsUnsigned(0));
397  dict->AddStringItem("type", RetrieveString(o, process_sp, ".type"));
398  dict->AddIntegerItem(
399  "address",
400  o->GetValueForExpressionPath(".addr")->GetValueAsUnsigned(0));
401  dict->AddIntegerItem(
402  "start",
403  o->GetValueForExpressionPath(".start")->GetValueAsUnsigned(0));
404  dict->AddIntegerItem(
405  "size",
406  o->GetValueForExpressionPath(".size")->GetValueAsUnsigned(0));
407  dict->AddIntegerItem(
408  "thread_id",
409  Renumber(
410  o->GetValueForExpressionPath(".tid")->GetValueAsUnsigned(0),
411  thread_id_map));
412  dict->AddIntegerItem(
413  "file_descriptor",
414  o->GetValueForExpressionPath(".fd")->GetValueAsUnsigned(0));
415  dict->AddIntegerItem("suppressable",
416  o->GetValueForExpressionPath(".suppressable")
417  ->GetValueAsUnsigned(0));
419  dict->AddStringItem("object_type",
420  RetrieveString(o, process_sp, ".object_type"));
421  });
422  dict->AddItem("locs", StructuredData::ObjectSP(locs));
423 
425  main_value, ".mutexes", ".mutex_count",
426  [](ValueObjectSP o, StructuredData::Dictionary *dict) {
427  dict->AddIntegerItem(
428  "index",
429  o->GetValueForExpressionPath(".idx")->GetValueAsUnsigned(0));
430  dict->AddIntegerItem(
431  "mutex_id",
432  o->GetValueForExpressionPath(".mutex_id")->GetValueAsUnsigned(0));
433  dict->AddIntegerItem(
434  "address",
435  o->GetValueForExpressionPath(".addr")->GetValueAsUnsigned(0));
436  dict->AddIntegerItem(
437  "destroyed",
438  o->GetValueForExpressionPath(".destroyed")->GetValueAsUnsigned(0));
440  });
441  dict->AddItem("mutexes", StructuredData::ObjectSP(mutexes));
442 
444  main_value, ".threads", ".thread_count",
445  [process_sp, &thread_id_map](ValueObjectSP o,
447  dict->AddIntegerItem(
448  "index",
449  o->GetValueForExpressionPath(".idx")->GetValueAsUnsigned(0));
450  dict->AddIntegerItem(
451  "thread_id",
452  Renumber(
453  o->GetValueForExpressionPath(".tid")->GetValueAsUnsigned(0),
454  thread_id_map));
455  dict->AddIntegerItem(
456  "thread_os_id",
457  o->GetValueForExpressionPath(".os_id")->GetValueAsUnsigned(0));
458  dict->AddIntegerItem(
459  "running",
460  o->GetValueForExpressionPath(".running")->GetValueAsUnsigned(0));
461  dict->AddStringItem("name", RetrieveString(o, process_sp, ".name"));
462  dict->AddIntegerItem(
463  "parent_thread_id",
464  Renumber(o->GetValueForExpressionPath(".parent_tid")
465  ->GetValueAsUnsigned(0),
466  thread_id_map));
468  });
469  dict->AddItem("threads", StructuredData::ObjectSP(threads));
470 
472  main_value, ".unique_tids", ".unique_tid_count",
473  [&thread_id_map](ValueObjectSP o, StructuredData::Dictionary *dict) {
474  dict->AddIntegerItem(
475  "index",
476  o->GetValueForExpressionPath(".idx")->GetValueAsUnsigned(0));
477  dict->AddIntegerItem(
478  "tid",
479  Renumber(
480  o->GetValueForExpressionPath(".tid")->GetValueAsUnsigned(0),
481  thread_id_map));
482  });
483  dict->AddItem("unique_tids", StructuredData::ObjectSP(unique_tids));
484 
485  return StructuredData::ObjectSP(dict);
486 }
487 
489 InstrumentationRuntimeTSan::FormatDescription(StructuredData::ObjectSP report) {
490  std::string description = std::string(report->GetAsDictionary()
491  ->GetValueForKey("issue_type")
492  ->GetAsString()
493  ->GetValue());
494 
495  if (description == "data-race") {
496  return "Data race";
497  } else if (description == "data-race-vptr") {
498  return "Data race on C++ virtual pointer";
499  } else if (description == "heap-use-after-free") {
500  return "Use of deallocated memory";
501  } else if (description == "heap-use-after-free-vptr") {
502  return "Use of deallocated C++ virtual pointer";
503  } else if (description == "thread-leak") {
504  return "Thread leak";
505  } else if (description == "locked-mutex-destroy") {
506  return "Destruction of a locked mutex";
507  } else if (description == "mutex-double-lock") {
508  return "Double lock of a mutex";
509  } else if (description == "mutex-invalid-access") {
510  return "Use of an uninitialized or destroyed mutex";
511  } else if (description == "mutex-bad-unlock") {
512  return "Unlock of an unlocked mutex (or by a wrong thread)";
513  } else if (description == "mutex-bad-read-lock") {
514  return "Read lock of a write locked mutex";
515  } else if (description == "mutex-bad-read-unlock") {
516  return "Read unlock of a write locked mutex";
517  } else if (description == "signal-unsafe-call") {
518  return "Signal-unsafe call inside a signal handler";
519  } else if (description == "errno-in-signal-handler") {
520  return "Overwrite of errno in a signal handler";
521  } else if (description == "lock-order-inversion") {
522  return "Lock order inversion (potential deadlock)";
523  } else if (description == "external-race") {
524  return "Race on a library object";
525  } else if (description == "swift-access-race") {
526  return "Swift access race";
527  }
528 
529  // for unknown report codes just show the code
530  return description;
531 }
532 
533 static std::string Sprintf(const char *format, ...) {
534  StreamString s;
535  va_list args;
536  va_start(args, format);
537  s.PrintfVarArg(format, args);
538  va_end(args);
539  return std::string(s.GetString());
540 }
541 
542 static std::string GetSymbolNameFromAddress(ProcessSP process_sp, addr_t addr) {
543  lldb_private::Address so_addr;
544  if (!process_sp->GetTarget().GetSectionLoadList().ResolveLoadAddress(addr,
545  so_addr))
546  return "";
547 
549  if (!symbol)
550  return "";
551 
552  std::string sym_name = symbol->GetName().GetCString();
553  return sym_name;
554 }
555 
556 static void GetSymbolDeclarationFromAddress(ProcessSP process_sp, addr_t addr,
557  Declaration &decl) {
558  lldb_private::Address so_addr;
559  if (!process_sp->GetTarget().GetSectionLoadList().ResolveLoadAddress(addr,
560  so_addr))
561  return;
562 
564  if (!symbol)
565  return;
566 
567  ConstString sym_name = symbol->GetMangled().GetName(Mangled::ePreferMangled);
568 
569  ModuleSP module = symbol->CalculateSymbolContextModule();
570  if (!module)
571  return;
572 
573  VariableList var_list;
574  module->FindGlobalVariables(sym_name, CompilerDeclContext(), 1U, var_list);
575  if (var_list.GetSize() < 1)
576  return;
577 
578  VariableSP var = var_list.GetVariableAtIndex(0);
579  decl = var->GetDeclaration();
580 }
581 
582 addr_t InstrumentationRuntimeTSan::GetFirstNonInternalFramePc(
583  StructuredData::ObjectSP trace, bool skip_one_frame) {
584  ProcessSP process_sp = GetProcessSP();
585  ModuleSP runtime_module_sp = GetRuntimeModuleSP();
586 
587  StructuredData::Array *trace_array = trace->GetAsArray();
588  for (size_t i = 0; i < trace_array->GetSize(); i++) {
589  if (skip_one_frame && i == 0)
590  continue;
591 
592  addr_t addr;
593  if (!trace_array->GetItemAtIndexAsInteger(i, addr))
594  continue;
595 
596  lldb_private::Address so_addr;
597  if (!process_sp->GetTarget().GetSectionLoadList().ResolveLoadAddress(
598  addr, so_addr))
599  continue;
600 
601  if (so_addr.GetModule() == runtime_module_sp)
602  continue;
603 
604  return addr;
605  }
606 
607  return 0;
608 }
609 
611 InstrumentationRuntimeTSan::GenerateSummary(StructuredData::ObjectSP report) {
612  ProcessSP process_sp = GetProcessSP();
613 
614  std::string summary = std::string(report->GetAsDictionary()
615  ->GetValueForKey("description")
616  ->GetAsString()
617  ->GetValue());
618  bool skip_one_frame =
619  report->GetObjectForDotSeparatedPath("issue_type")->GetStringValue() ==
620  "external-race";
621 
622  addr_t pc = 0;
623  if (report->GetAsDictionary()
624  ->GetValueForKey("mops")
625  ->GetAsArray()
626  ->GetSize() > 0)
627  pc = GetFirstNonInternalFramePc(report->GetAsDictionary()
628  ->GetValueForKey("mops")
629  ->GetAsArray()
630  ->GetItemAtIndex(0)
631  ->GetAsDictionary()
632  ->GetValueForKey("trace"),
633  skip_one_frame);
634 
635  if (report->GetAsDictionary()
636  ->GetValueForKey("stacks")
637  ->GetAsArray()
638  ->GetSize() > 0)
639  pc = GetFirstNonInternalFramePc(report->GetAsDictionary()
640  ->GetValueForKey("stacks")
641  ->GetAsArray()
642  ->GetItemAtIndex(0)
643  ->GetAsDictionary()
644  ->GetValueForKey("trace"),
645  skip_one_frame);
646 
647  if (pc != 0) {
648  summary = summary + " in " + GetSymbolNameFromAddress(process_sp, pc);
649  }
650 
651  if (report->GetAsDictionary()
652  ->GetValueForKey("locs")
653  ->GetAsArray()
654  ->GetSize() > 0) {
655  StructuredData::ObjectSP loc = report->GetAsDictionary()
656  ->GetValueForKey("locs")
657  ->GetAsArray()
658  ->GetItemAtIndex(0);
659  std::string object_type = std::string(loc->GetAsDictionary()
660  ->GetValueForKey("object_type")
661  ->GetAsString()
662  ->GetValue());
663  if (!object_type.empty()) {
664  summary = "Race on " + object_type + " object";
665  }
666  addr_t addr = loc->GetAsDictionary()
667  ->GetValueForKey("address")
668  ->GetAsInteger()
669  ->GetValue();
670  if (addr == 0)
671  addr = loc->GetAsDictionary()
672  ->GetValueForKey("start")
673  ->GetAsInteger()
674  ->GetValue();
675 
676  if (addr != 0) {
677  std::string global_name = GetSymbolNameFromAddress(process_sp, addr);
678  if (!global_name.empty()) {
679  summary = summary + " at " + global_name;
680  } else {
681  summary = summary + " at " + Sprintf("0x%llx", addr);
682  }
683  } else {
684  int fd = loc->GetAsDictionary()
685  ->GetValueForKey("file_descriptor")
686  ->GetAsInteger()
687  ->GetValue();
688  if (fd != 0) {
689  summary = summary + " on file descriptor " + Sprintf("%d", fd);
690  }
691  }
692  }
693 
694  return summary;
695 }
696 
697 addr_t InstrumentationRuntimeTSan::GetMainRacyAddress(
698  StructuredData::ObjectSP report) {
699  addr_t result = (addr_t)-1;
700 
701  report->GetObjectForDotSeparatedPath("mops")->GetAsArray()->ForEach(
702  [&result](StructuredData::Object *o) -> bool {
703  addr_t addr =
704  o->GetObjectForDotSeparatedPath("address")->GetIntegerValue();
705  if (addr < result)
706  result = addr;
707  return true;
708  });
709 
710  return (result == (addr_t)-1) ? 0 : result;
711 }
712 
713 std::string InstrumentationRuntimeTSan::GetLocationDescription(
714  StructuredData::ObjectSP report, addr_t &global_addr,
715  std::string &global_name, std::string &filename, uint32_t &line) {
716  std::string result;
717 
718  ProcessSP process_sp = GetProcessSP();
719 
720  if (report->GetAsDictionary()
721  ->GetValueForKey("locs")
722  ->GetAsArray()
723  ->GetSize() > 0) {
724  StructuredData::ObjectSP loc = report->GetAsDictionary()
725  ->GetValueForKey("locs")
726  ->GetAsArray()
727  ->GetItemAtIndex(0);
728  std::string type = std::string(
729  loc->GetAsDictionary()->GetValueForKey("type")->GetStringValue());
730  if (type == "global") {
731  global_addr = loc->GetAsDictionary()
732  ->GetValueForKey("address")
733  ->GetAsInteger()
734  ->GetValue();
735  global_name = GetSymbolNameFromAddress(process_sp, global_addr);
736  if (!global_name.empty()) {
737  result = Sprintf("'%s' is a global variable (0x%llx)",
738  global_name.c_str(), global_addr);
739  } else {
740  result = Sprintf("0x%llx is a global variable", global_addr);
741  }
742 
743  Declaration decl;
744  GetSymbolDeclarationFromAddress(process_sp, global_addr, decl);
745  if (decl.GetFile()) {
746  filename = decl.GetFile().GetPath();
747  line = decl.GetLine();
748  }
749  } else if (type == "heap") {
750  addr_t addr = loc->GetAsDictionary()
751  ->GetValueForKey("start")
752  ->GetAsInteger()
753  ->GetValue();
754  long size = loc->GetAsDictionary()
755  ->GetValueForKey("size")
756  ->GetAsInteger()
757  ->GetValue();
758  std::string object_type = std::string(loc->GetAsDictionary()
759  ->GetValueForKey("object_type")
760  ->GetAsString()
761  ->GetValue());
762  if (!object_type.empty()) {
763  result = Sprintf("Location is a %ld-byte %s object at 0x%llx", size,
764  object_type.c_str(), addr);
765  } else {
766  result =
767  Sprintf("Location is a %ld-byte heap object at 0x%llx", size, addr);
768  }
769  } else if (type == "stack") {
770  int tid = loc->GetAsDictionary()
771  ->GetValueForKey("thread_id")
772  ->GetAsInteger()
773  ->GetValue();
774  result = Sprintf("Location is stack of thread %d", tid);
775  } else if (type == "tls") {
776  int tid = loc->GetAsDictionary()
777  ->GetValueForKey("thread_id")
778  ->GetAsInteger()
779  ->GetValue();
780  result = Sprintf("Location is TLS of thread %d", tid);
781  } else if (type == "fd") {
782  int fd = loc->GetAsDictionary()
783  ->GetValueForKey("file_descriptor")
784  ->GetAsInteger()
785  ->GetValue();
786  result = Sprintf("Location is file descriptor %d", fd);
787  }
788  }
789 
790  return result;
791 }
792 
793 bool InstrumentationRuntimeTSan::NotifyBreakpointHit(
794  void *baton, StoppointCallbackContext *context, user_id_t break_id,
795  user_id_t break_loc_id) {
796  assert(baton && "null baton");
797  if (!baton)
798  return false;
799 
800  InstrumentationRuntimeTSan *const instance =
801  static_cast<InstrumentationRuntimeTSan *>(baton);
802 
803  ProcessSP process_sp = instance->GetProcessSP();
804 
805  if (process_sp->GetModIDRef().IsLastResumeForUserExpression())
806  return false;
807 
808  StructuredData::ObjectSP report =
809  instance->RetrieveReportData(context->exe_ctx_ref);
810  std::string stop_reason_description =
811  "unknown thread sanitizer fault (unable to extract thread sanitizer "
812  "report)";
813  if (report) {
814  std::string issue_description = instance->FormatDescription(report);
815  report->GetAsDictionary()->AddStringItem("description", issue_description);
816  stop_reason_description = issue_description + " detected";
817  report->GetAsDictionary()->AddStringItem("stop_description",
818  stop_reason_description);
819  std::string summary = instance->GenerateSummary(report);
820  report->GetAsDictionary()->AddStringItem("summary", summary);
821  addr_t main_address = instance->GetMainRacyAddress(report);
822  report->GetAsDictionary()->AddIntegerItem("memory_address", main_address);
823 
824  addr_t global_addr = 0;
825  std::string global_name;
826  std::string location_filename;
827  uint32_t location_line = 0;
828  std::string location_description = instance->GetLocationDescription(
829  report, global_addr, global_name, location_filename, location_line);
830  report->GetAsDictionary()->AddStringItem("location_description",
831  location_description);
832  if (global_addr != 0) {
833  report->GetAsDictionary()->AddIntegerItem("global_address", global_addr);
834  }
835  if (!global_name.empty()) {
836  report->GetAsDictionary()->AddStringItem("global_name", global_name);
837  }
838  if (location_filename != "") {
839  report->GetAsDictionary()->AddStringItem("location_filename",
840  location_filename);
841  report->GetAsDictionary()->AddIntegerItem("location_line", location_line);
842  }
843 
844  bool all_addresses_are_same = true;
845  report->GetObjectForDotSeparatedPath("mops")->GetAsArray()->ForEach(
846  [&all_addresses_are_same,
847  main_address](StructuredData::Object *o) -> bool {
848  addr_t addr =
849  o->GetObjectForDotSeparatedPath("address")->GetIntegerValue();
850  if (main_address != addr)
851  all_addresses_are_same = false;
852  return true;
853  });
854  report->GetAsDictionary()->AddBooleanItem("all_addresses_are_same",
855  all_addresses_are_same);
856  }
857 
858  // Make sure this is the right process
859  if (process_sp && process_sp == context->exe_ctx_ref.GetProcessSP()) {
860  ThreadSP thread_sp = context->exe_ctx_ref.GetThreadSP();
861  if (thread_sp)
862  thread_sp->SetStopInfo(
864  CreateStopReasonWithInstrumentationData(
865  *thread_sp, stop_reason_description, report));
866 
867  StreamFile &s = process_sp->GetTarget().GetDebugger().GetOutputStream();
868  s.Printf("ThreadSanitizer report breakpoint hit. Use 'thread "
869  "info -s' to get extended information about the "
870  "report.\n");
871 
872  return true; // Return true to stop the target
873  } else
874  return false; // Let target run
875 }
876 
877 const RegularExpression &
878 InstrumentationRuntimeTSan::GetPatternForRuntimeLibrary() {
879  static RegularExpression regex(llvm::StringRef("libclang_rt.tsan_"));
880  return regex;
881 }
882 
883 bool InstrumentationRuntimeTSan::CheckIfRuntimeIsValid(
884  const lldb::ModuleSP module_sp) {
885  static ConstString g_tsan_get_current_report("__tsan_get_current_report");
886  const Symbol *symbol = module_sp->FindFirstSymbolWithNameAndType(
887  g_tsan_get_current_report, lldb::eSymbolTypeAny);
888  return symbol != nullptr;
889 }
890 
891 void InstrumentationRuntimeTSan::Activate() {
892  if (IsActive())
893  return;
894 
895  ProcessSP process_sp = GetProcessSP();
896  if (!process_sp)
897  return;
898 
899  ConstString symbol_name("__tsan_on_report");
900  const Symbol *symbol = GetRuntimeModuleSP()->FindFirstSymbolWithNameAndType(
901  symbol_name, eSymbolTypeCode);
902 
903  if (symbol == nullptr)
904  return;
905 
906  if (!symbol->ValueIsAddress() || !symbol->GetAddressRef().IsValid())
907  return;
908 
909  Target &target = process_sp->GetTarget();
910  addr_t symbol_address = symbol->GetAddressRef().GetOpcodeLoadAddress(&target);
911 
912  if (symbol_address == LLDB_INVALID_ADDRESS)
913  return;
914 
915  bool internal = true;
916  bool hardware = false;
917  Breakpoint *breakpoint =
918  process_sp->GetTarget()
919  .CreateBreakpoint(symbol_address, internal, hardware)
920  .get();
921  breakpoint->SetCallback(InstrumentationRuntimeTSan::NotifyBreakpointHit, this,
922  true);
923  breakpoint->SetBreakpointKind("thread-sanitizer-report");
924  SetBreakpointID(breakpoint->GetID());
925 
926  SetActive(true);
927 }
928 
929 void InstrumentationRuntimeTSan::Deactivate() {
930  if (GetBreakpointID() != LLDB_INVALID_BREAK_ID) {
931  ProcessSP process_sp = GetProcessSP();
932  if (process_sp) {
933  process_sp->GetTarget().RemoveBreakpointByID(GetBreakpointID());
934  SetBreakpointID(LLDB_INVALID_BREAK_ID);
935  }
936  }
937  SetActive(false);
938 }
941  StructuredData::ObjectSP main_info) {
942  std::string result = "additional information";
943 
944  if (path == "mops") {
945  int size = o->GetObjectForDotSeparatedPath("size")->GetIntegerValue();
946  int thread_id =
947  o->GetObjectForDotSeparatedPath("thread_id")->GetIntegerValue();
948  bool is_write =
949  o->GetObjectForDotSeparatedPath("is_write")->GetBooleanValue();
950  bool is_atomic =
951  o->GetObjectForDotSeparatedPath("is_atomic")->GetBooleanValue();
952  addr_t addr = o->GetObjectForDotSeparatedPath("address")->GetIntegerValue();
953 
954  std::string addr_string = Sprintf(" at 0x%llx", addr);
955 
956  if (main_info->GetObjectForDotSeparatedPath("all_addresses_are_same")
957  ->GetBooleanValue()) {
958  addr_string = "";
959  }
960 
961  if (main_info->GetObjectForDotSeparatedPath("issue_type")
962  ->GetStringValue() == "external-race") {
963  result = Sprintf("%s access by thread %d",
964  is_write ? "mutating" : "read-only", thread_id);
965  } else if (main_info->GetObjectForDotSeparatedPath("issue_type")
966  ->GetStringValue() == "swift-access-race") {
967  result = Sprintf("modifying access by thread %d", thread_id);
968  } else {
969  result = Sprintf("%s%s of size %d%s by thread %d",
970  is_atomic ? "atomic " : "", is_write ? "write" : "read",
971  size, addr_string.c_str(), thread_id);
972  }
973  }
974 
975  if (path == "threads") {
976  int thread_id =
977  o->GetObjectForDotSeparatedPath("thread_id")->GetIntegerValue();
978  result = Sprintf("Thread %d created", thread_id);
979  }
980 
981  if (path == "locs") {
982  std::string type = std::string(
983  o->GetAsDictionary()->GetValueForKey("type")->GetStringValue());
984  int thread_id =
985  o->GetObjectForDotSeparatedPath("thread_id")->GetIntegerValue();
986  int fd =
987  o->GetObjectForDotSeparatedPath("file_descriptor")->GetIntegerValue();
988  if (type == "heap") {
989  result = Sprintf("Heap block allocated by thread %d", thread_id);
990  } else if (type == "fd") {
991  result =
992  Sprintf("File descriptor %d created by thread %t", fd, thread_id);
993  }
994  }
995 
996  if (path == "mutexes") {
997  int mutex_id =
998  o->GetObjectForDotSeparatedPath("mutex_id")->GetIntegerValue();
999 
1000  result = Sprintf("Mutex M%d created", mutex_id);
1001  }
1002 
1003  if (path == "stacks") {
1004  int thread_id =
1005  o->GetObjectForDotSeparatedPath("thread_id")->GetIntegerValue();
1006  result = Sprintf("Thread %d", thread_id);
1007  }
1008 
1009  result[0] = toupper(result[0]);
1010 
1011  return result;
1012 }
1013 
1014 static void AddThreadsForPath(const std::string &path,
1015  ThreadCollectionSP threads, ProcessSP process_sp,
1016  StructuredData::ObjectSP info) {
1017  info->GetObjectForDotSeparatedPath(path)->GetAsArray()->ForEach(
1018  [process_sp, threads, path, info](StructuredData::Object *o) -> bool {
1019  std::vector<lldb::addr_t> pcs;
1020  o->GetObjectForDotSeparatedPath("trace")->GetAsArray()->ForEach(
1021  [&pcs](StructuredData::Object *pc) -> bool {
1022  pcs.push_back(pc->GetAsInteger()->GetValue());
1023  return true;
1024  });
1025 
1026  if (pcs.size() == 0)
1027  return true;
1028 
1029  StructuredData::ObjectSP thread_id_obj =
1030  o->GetObjectForDotSeparatedPath("thread_os_id");
1031  tid_t tid = thread_id_obj ? thread_id_obj->GetIntegerValue() : 0;
1032 
1033  HistoryThread *history_thread =
1034  new HistoryThread(*process_sp, tid, pcs);
1035  ThreadSP new_thread_sp(history_thread);
1036  new_thread_sp->SetName(GenerateThreadName(path, o, info).c_str());
1037 
1038  // Save this in the Process' ExtendedThreadList so a strong pointer
1039  // retains the object
1040  process_sp->GetExtendedThreadList().AddThread(new_thread_sp);
1041  threads->AddThread(new_thread_sp);
1042 
1043  return true;
1044  });
1045 }
1046 
1047 lldb::ThreadCollectionSP
1048 InstrumentationRuntimeTSan::GetBacktracesFromExtendedStopInfo(
1049  StructuredData::ObjectSP info) {
1050  ThreadCollectionSP threads;
1051  threads = std::make_shared<ThreadCollection>();
1052 
1053  if (info->GetObjectForDotSeparatedPath("instrumentation_class")
1054  ->GetStringValue() != "ThreadSanitizer")
1055  return threads;
1056 
1057  ProcessSP process_sp = GetProcessSP();
1058 
1059  AddThreadsForPath("stacks", threads, process_sp, info);
1060  AddThreadsForPath("mops", threads, process_sp, info);
1061  AddThreadsForPath("locs", threads, process_sp, info);
1062  AddThreadsForPath("mutexes", threads, process_sp, info);
1063  AddThreadsForPath("threads", threads, process_sp, info);
1064 
1065  return threads;
1066 }
RegularExpression.h
lldb_private::ExecutionContext
Definition: ExecutionContext.h:292
lldb_private::StructuredData::Dictionary
Definition: StructuredData.h:352
lldb_private::RegularExpression
Definition: RegularExpression.h:18
lldb_private::InstrumentationRuntimeStopInfo
Definition: InstrumentationRuntimeStopInfo.h:19
CreateStackTrace
static StructuredData::Array * CreateStackTrace(ValueObjectSP o, const std::string &trace_item_name=".trace")
Definition: InstrumentationRuntimeTSan.cpp:210
lldb_private::StoppointCallbackContext
General Outline: When we hit a breakpoint we need to package up whatever information is needed to eva...
Definition: StoppointCallbackContext.h:26
lldb_private::Stoppoint::GetID
lldb::break_id_t GetID() const
Definition: Stoppoint.cpp:22
lldb_private::Address::IsValid
bool IsValid() const
Check if the object state is valid.
Definition: Address.h:345
lldb::eSymbolTypeCode
@ eSymbolTypeCode
Definition: lldb-enumerations.h:616
lldb_private::EvaluateExpressionOptions::SetTimeout
void SetTimeout(const Timeout< std::micro > &timeout)
Definition: Target.h:340
lldb_private::EvaluateExpressionOptions::SetLanguage
void SetLanguage(lldb::LanguageType language)
Definition: Target.h:300
lldb_private::StructuredData::Array
Definition: StructuredData.h:165
lldb_private::StructuredData::Dictionary::GetValueForKey
ObjectSP GetValueForKey(llvm::StringRef key) const
Definition: StructuredData.h:389
lldb_private::Symbol
Definition: Symbol.h:20
lldb_private::Symbol::ValueIsAddress
bool ValueIsAddress() const
Definition: Symbol.cpp:117
lldb_private::StructuredData::Integer
Definition: StructuredData.h:285
lldb_private::ExecutionContextRef::GetThreadSP
lldb::ThreadSP GetThreadSP() const
Get accessor that creates a strong reference from the weak thread reference contained in this object.
Definition: ExecutionContext.cpp:574
lldb_private::Breakpoint::SetBreakpointKind
void SetBreakpointKind(const char *kind)
Set the "kind" description for a breakpoint.
Definition: Breakpoint.h:447
lldb::ExpressionResults
ExpressionResults
The results of expression evaluation.
Definition: lldb-enumerations.h:270
ConvertToStructuredArray
static StructuredData::Array * ConvertToStructuredArray(ValueObjectSP return_value_sp, const std::string &items_name, const std::string &count_name, std::function< void(ValueObjectSP o, StructuredData::Dictionary *dict)> const &callback)
Definition: InstrumentationRuntimeTSan.cpp:227
Module.h
lldb_private::StoppointCallbackContext::exe_ctx_ref
ExecutionContextRef exe_ctx_ref
Definition: StoppointCallbackContext.h:43
lldb_private::EvaluateExpressionOptions
Definition: Target.h:272
StoppointCallbackContext.h
lldb_private::VariableList::GetSize
size_t GetSize() const
Definition: VariableList.cpp:165
GetSymbolDeclarationFromAddress
static void GetSymbolDeclarationFromAddress(ProcessSP process_sp, addr_t addr, Declaration &decl)
Definition: InstrumentationRuntimeTSan.cpp:556
lldb_private::HistoryThread
Definition: HistoryThread.h:33
SectionLoadList.h
UserExpression.h
lldb_private::InstrumentationRuntimeTSan::GetMainRacyAddress
lldb::addr_t GetMainRacyAddress(StructuredData::ObjectSP report)
Definition: InstrumentationRuntimeTSan.cpp:697
lldb_private::Declaration::GetFile
FileSpec & GetFile()
Get accessor for file specification.
Definition: Declaration.h:107
lldb_private::Symbol::CalculateSymbolContextModule
lldb::ModuleSP CalculateSymbolContextModule() override
Definition: Symbol.cpp:392
GenerateThreadName
static std::string GenerateThreadName(const std::string &path, StructuredData::Object *o, StructuredData::ObjectSP main_info)
Definition: InstrumentationRuntimeTSan.cpp:939
GetSymbolNameFromAddress
static std::string GetSymbolNameFromAddress(ProcessSP process_sp, addr_t addr)
Definition: InstrumentationRuntimeTSan.cpp:542
HistoryThread.h
lldb_private::Target::CreateBreakpoint
lldb::BreakpointSP CreateBreakpoint(const FileSpecList *containingModules, const FileSpec &file, uint32_t line_no, uint32_t column, lldb::addr_t offset, LazyBool check_inlines, LazyBool skip_prologue, bool internal, bool request_hardware, LazyBool move_to_nearest_code)
Definition: Target.cpp:345
lldb::addr_t
uint64_t addr_t
Definition: lldb-types.h:83
pc
@ pc
Definition: CompactUnwindInfo.cpp:1251
CommandReturnObject.h
thread_sanitizer_retrieve_report_data_prefix
const char * thread_sanitizer_retrieve_report_data_prefix
Definition: InstrumentationRuntimeTSan.cpp:61
Debugger.h
lldb_private::Target
Definition: Target.h:464
lldb_private::Address::GetOpcodeLoadAddress
lldb::addr_t GetOpcodeLoadAddress(Target *target, AddressClass addr_class=AddressClass::eInvalid) const
Get the load address as an opcode load address.
Definition: Address.cpp:368
GetRenumberedThreadIds
static void GetRenumberedThreadIds(ProcessSP process_sp, ValueObjectSP data, std::map< uint64_t, user_id_t > &thread_id_map)
Definition: InstrumentationRuntimeTSan.cpp:262
lldb_private::VariableList
Definition: VariableList.h:18
lldb_private::StreamString::GetString
llvm::StringRef GetString() const
Definition: StreamString.cpp:51
lldb_private::StructuredData::Dictionary::AddBooleanItem
void AddBooleanItem(llvm::StringRef key, bool value)
Definition: StructuredData.h:521
lldb_private::VariableList::GetVariableAtIndex
lldb::VariableSP GetVariableAtIndex(size_t idx) const
Definition: VariableList.cpp:47
Target.h
error
static llvm::raw_ostream & error(Stream &strm)
Definition: CommandReturnObject.cpp:17
lldb::eSymbolTypeAny
@ eSymbolTypeAny
Definition: lldb-enumerations.h:613
lldb_private::InstrumentationRuntimeTSan::GetLocationDescription
std::string GetLocationDescription(StructuredData::ObjectSP report, lldb::addr_t &global_addr, std::string &global_name, std::string &filename, uint32_t &line)
Definition: InstrumentationRuntimeTSan.cpp:713
InstrumentationRuntimeStopInfo.h
lldb_private::StructuredData::ObjectSP
std::shared_ptr< Object > ObjectSP
Definition: StructuredData.h:59
lldb::eExpressionCompleted
@ eExpressionCompleted
Definition: lldb-enumerations.h:271
lldb_private::Symbol::GetAddressRef
Address & GetAddressRef()
Definition: Symbol.h:57
lldb_private::ConstString
Definition: ConstString.h:40
lldb_private::StreamString
Definition: StreamString.h:23
thread_sanitizer_retrieve_report_data_command
const char * thread_sanitizer_retrieve_report_data_command
Definition: InstrumentationRuntimeTSan.cpp:160
lldb_private::EvaluateExpressionOptions::SetTryAllThreads
void SetTryAllThreads(bool try_others=true)
Definition: Target.h:352
lldb_private::StructuredData::Array::AddItem
void AddItem(const ObjectSP &item)
Definition: StructuredData.h:276
PluginInterface.h
lldb_private::Stream::PrintfVarArg
size_t size_t PrintfVarArg(const char *format, va_list args)
Definition: Stream.cpp:116
lldb_private::InstrumentationRuntimeTSan
Definition: InstrumentationRuntimeTSan.h:19
lldb_private::InstrumentationRuntimeTSan::FormatDescription
std::string FormatDescription(StructuredData::ObjectSP report)
Definition: InstrumentationRuntimeTSan.cpp:489
string
string(SUBSTRING ${p} 10 -1 pStripped) if($
Definition: Plugins/CMakeLists.txt:40
lldb_private::EvaluateExpressionOptions::SetUnwindOnError
void SetUnwindOnError(bool unwind=false)
Definition: Target.h:319
Thread.h
lldb_private::Address::CalculateSymbolContextSymbol
Symbol * CalculateSymbolContextSymbol() const
Definition: Address.cpp:893
lldb_private::Symbol::GetMangled
Mangled & GetMangled()
Definition: Symbol.h:121
lldb::eLanguageTypeObjC_plus_plus
@ eLanguageTypeObjC_plus_plus
Objective-C++.
Definition: lldb-enumerations.h:454
VariableList.h
lldb_private::CompilerDeclContext
Represents a generic declaration context in a program.
Definition: CompilerDeclContext.h:30
ValueObject.h
lldb_private::StructuredData::Dictionary::AddItem
void AddItem(llvm::StringRef key, ObjectSP value_sp)
Definition: StructuredData.h:504
LLDB_INVALID_BREAK_ID
#define LLDB_INVALID_BREAK_ID
Definition: lldb-defines.h:37
lldb_private::EvaluateExpressionOptions::SetIgnoreBreakpoints
void SetIgnoreBreakpoints(bool ignore=false)
Definition: Target.h:323
Symbol.h
lldb_private::Symbol::GetName
ConstString GetName() const
Definition: Symbol.cpp:501
StreamFile.h
AddThreadsForPath
static void AddThreadsForPath(const std::string &path, ThreadCollectionSP threads, ProcessSP process_sp, StructuredData::ObjectSP info)
Definition: InstrumentationRuntimeTSan.cpp:1014
lldb_private::StructuredData::Object::GetAsArray
Array * GetAsArray()
Definition: StructuredData.h:85
lldb_private::Declaration::GetLine
uint32_t GetLine() const
Get accessor for the declaration line number.
Definition: Declaration.h:120
lldb_private::Status
Definition: Status.h:44
InstrumentationRuntimeTSan.h
lldb::eInstrumentationRuntimeTypeThreadSanitizer
@ eInstrumentationRuntimeTypeThreadSanitizer
Definition: lldb-enumerations.h:487
Sprintf
static std::string Sprintf(const char *format,...)
Definition: InstrumentationRuntimeTSan.cpp:533
uint32_t
lldb_private::Address
Definition: Address.h:59
lldb_private::StructuredData::Object::GetAsDictionary
Dictionary * GetAsDictionary()
Definition: StructuredData.h:91
lldb_private::Breakpoint::SetCallback
void SetCallback(BreakpointHitCallback callback, void *baton, bool is_synchronous=false)
Set the callback action invoked when the breakpoint is hit.
Definition: Breakpoint.cpp:413
lldb_private::StructuredData::Array::GetItemAtIndexAsInteger
bool GetItemAtIndexAsInteger(size_t idx, IntType &result) const
Definition: StructuredData.h:196
StopInfo.h
lldb_private::InstrumentationRuntimeTSan::RetrieveReportData
StructuredData::ObjectSP RetrieveReportData(ExecutionContextRef exe_ctx_ref)
Definition: InstrumentationRuntimeTSan.cpp:300
PluginManager.h
LLDB_INVALID_ADDRESS
#define LLDB_INVALID_ADDRESS
Definition: lldb-defines.h:74
lldb_private::ConstString::GetCString
const char * GetCString() const
Get the string value as a C string.
Definition: ConstString.h:216
lldb_private::StructuredData::Dictionary::AddStringItem
void AddStringItem(llvm::StringRef key, llvm::StringRef value)
Definition: StructuredData.h:517
lldb_private::Stream::Printf
size_t Printf(const char *format,...) __attribute__((format(printf
Output printf formatted output to the stream.
Definition: Stream.cpp:107
lldb::user_id_t
uint64_t user_id_t
Definition: lldb-types.h:84
SymbolContext.h
Renumber
static user_id_t Renumber(uint64_t id, std::map< uint64_t, user_id_t > &thread_id_map)
Definition: InstrumentationRuntimeTSan.cpp:291
lldb_private
A class that represents a running process on the host machine.
Definition: SBCommandInterpreterRunOptions.h:16
lldb_private::StructuredData::Object::GetObjectForDotSeparatedPath
ObjectSP GetObjectForDotSeparatedPath(llvm::StringRef path)
Definition: StructuredData.cpp:96
lldb_private::StructuredData::Dictionary::AddIntegerItem
void AddIntegerItem(llvm::StringRef key, uint64_t value)
Definition: StructuredData.h:509
RetrieveString
static std::string RetrieveString(ValueObjectSP return_value_sp, ProcessSP process_sp, const std::string &expression_path)
Definition: InstrumentationRuntimeTSan.cpp:249
lldb_private::Breakpoint::GetTarget
Target & GetTarget()
Accessor for the breakpoint Target.
Definition: Breakpoint.h:458
lldb_private::InstrumentationRuntime::GetProcessSP
lldb::ProcessSP GetProcessSP()
Definition: InstrumentationRuntime.h:50
lldb_private::StreamFile
Definition: StreamFile.h:22
lldb_private::Address::GetModule
lldb::ModuleSP GetModule() const
Get accessor for the module for this address.
Definition: Address.cpp:283
Stream.h
LLDB_PLUGIN_DEFINE
#define LLDB_PLUGIN_DEFINE(PluginName)
Definition: PluginManager.h:31
lldb_private::EvaluateExpressionOptions::SetStopOthers
void SetStopOthers(bool stop_others=true)
Definition: Target.h:356
lldb_private::ExecutionContextRef::GetProcessSP
lldb::ProcessSP GetProcessSP() const
Get accessor that creates a strong reference from the weak process reference contained in this object...
Definition: ExecutionContext.cpp:567
lldb_private::StructuredData::Array::GetSize
size_t GetSize() const
Definition: StructuredData.h:180
lldb_private::InstrumentationRuntimeTSan::GenerateSummary
std::string GenerateSummary(StructuredData::ObjectSP report)
Definition: InstrumentationRuntimeTSan.cpp:611
Variable.h
lldb_private::FileSpec::GetPath
size_t GetPath(char *path, size_t max_path_length, bool denormalize=true) const
Extract the full path to the file.
Definition: FileSpec.cpp:347
lldb_private::Declaration
Definition: Declaration.h:24
lldb_private::EvaluateExpressionOptions::SetPrefix
void SetPrefix(const char *prefix)
Definition: Target.h:308
lldb_private::StructuredData::Object
Definition: StructuredData.h:70
lldb
Definition: SBAddress.h:15
lldb_private::ExecutionContextRef
Execution context objects refer to objects in the execution of the program that is being debugged.
Definition: ExecutionContext.h:72
lldb_private::Breakpoint
General Outline: A breakpoint has four main parts, a filter, a resolver, the list of breakpoint locat...
Definition: Breakpoint.h:80
lldb::tid_t
uint64_t tid_t
Definition: lldb-types.h:86
lldb::InstrumentationRuntimeType
InstrumentationRuntimeType
Definition: lldb-enumerations.h:485
lldb_private::Status::AsCString
const char * AsCString(const char *default_error_str="unknown error") const
Get the error string associated with the current error.
Definition: Status.cpp:130
lldb_private::EvaluateExpressionOptions::SetAutoApplyFixIts
void SetAutoApplyFixIts(bool b)
Definition: Target.h:415