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Breakpoint.cpp
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1 //===-- Breakpoint.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 "llvm/Support/Casting.h"
10 
17 #include "lldb/Core/Address.h"
18 #include "lldb/Core/Module.h"
19 #include "lldb/Core/ModuleList.h"
20 #include "lldb/Core/SearchFilter.h"
21 #include "lldb/Core/Section.h"
23 #include "lldb/Symbol/Function.h"
24 #include "lldb/Symbol/Symbol.h"
27 #include "lldb/Target/Target.h"
28 #include "lldb/Target/ThreadSpec.h"
29 #include "lldb/Utility/LLDBLog.h"
30 #include "lldb/Utility/Log.h"
31 #include "lldb/Utility/Stream.h"
33 
34 #include <memory>
35 
36 using namespace lldb;
37 using namespace lldb_private;
38 using namespace llvm;
39 
40 ConstString Breakpoint::GetEventIdentifier() {
41  static ConstString g_identifier("event-identifier.breakpoint.changed");
42  return g_identifier;
43 }
44 
45 const char *Breakpoint::g_option_names[static_cast<uint32_t>(
46  Breakpoint::OptionNames::LastOptionName)]{"Names", "Hardware"};
47 
48 // Breakpoint constructor
49 Breakpoint::Breakpoint(Target &target, SearchFilterSP &filter_sp,
50  BreakpointResolverSP &resolver_sp, bool hardware,
51  bool resolve_indirect_symbols)
52  : m_being_created(true), m_hardware(hardware), m_target(target),
53  m_filter_sp(filter_sp), m_resolver_sp(resolver_sp), m_options(true),
54  m_locations(*this), m_resolve_indirect_symbols(resolve_indirect_symbols),
55  m_hit_counter() {
56  m_being_created = false;
57 }
58 
59 Breakpoint::Breakpoint(Target &new_target, const Breakpoint &source_bp)
60  : m_being_created(true), m_hardware(source_bp.m_hardware),
61  m_target(new_target), m_name_list(source_bp.m_name_list),
62  m_options(source_bp.m_options), m_locations(*this),
63  m_resolve_indirect_symbols(source_bp.m_resolve_indirect_symbols),
64  m_hit_counter() {}
65 
66 // Destructor
67 Breakpoint::~Breakpoint() = default;
68 
69 BreakpointSP Breakpoint::CopyFromBreakpoint(TargetSP new_target,
70  const Breakpoint& bp_to_copy_from) {
71  if (!new_target)
72  return BreakpointSP();
73 
74  BreakpointSP bp(new Breakpoint(*new_target, bp_to_copy_from));
75  // Now go through and copy the filter & resolver:
76  bp->m_resolver_sp = bp_to_copy_from.m_resolver_sp->CopyForBreakpoint(bp);
77  bp->m_filter_sp = bp_to_copy_from.m_filter_sp->CreateCopy(new_target);
78  return bp;
79 }
80 
81 // Serialization
83  // Serialize the resolver:
84  StructuredData::DictionarySP breakpoint_dict_sp(
86  StructuredData::DictionarySP breakpoint_contents_sp(
88 
89  if (!m_name_list.empty()) {
90  StructuredData::ArraySP names_array_sp(new StructuredData::Array());
91  for (auto name : m_name_list) {
92  names_array_sp->AddItem(
94  }
95  breakpoint_contents_sp->AddItem(Breakpoint::GetKey(OptionNames::Names),
96  names_array_sp);
97  }
98 
99  breakpoint_contents_sp->AddBooleanItem(
101 
102  StructuredData::ObjectSP resolver_dict_sp(
103  m_resolver_sp->SerializeToStructuredData());
104  if (!resolver_dict_sp)
105  return StructuredData::ObjectSP();
106 
107  breakpoint_contents_sp->AddItem(BreakpointResolver::GetSerializationKey(),
108  resolver_dict_sp);
109 
110  StructuredData::ObjectSP filter_dict_sp(
111  m_filter_sp->SerializeToStructuredData());
112  if (!filter_dict_sp)
113  return StructuredData::ObjectSP();
114 
115  breakpoint_contents_sp->AddItem(SearchFilter::GetSerializationKey(),
116  filter_dict_sp);
117 
118  StructuredData::ObjectSP options_dict_sp(
120  if (!options_dict_sp)
121  return StructuredData::ObjectSP();
122 
123  breakpoint_contents_sp->AddItem(BreakpointOptions::GetSerializationKey(),
124  options_dict_sp);
125 
126  breakpoint_dict_sp->AddItem(GetSerializationKey(), breakpoint_contents_sp);
127  return breakpoint_dict_sp;
128 }
129 
131  TargetSP target_sp, StructuredData::ObjectSP &object_data, Status &error) {
132  BreakpointSP result_sp;
133  if (!target_sp)
134  return result_sp;
135 
136  StructuredData::Dictionary *breakpoint_dict = object_data->GetAsDictionary();
137 
138  if (!breakpoint_dict || !breakpoint_dict->IsValid()) {
139  error.SetErrorString("Can't deserialize from an invalid data object.");
140  return result_sp;
141  }
142 
143  StructuredData::Dictionary *resolver_dict;
144  bool success = breakpoint_dict->GetValueForKeyAsDictionary(
145  BreakpointResolver::GetSerializationKey(), resolver_dict);
146  if (!success) {
147  error.SetErrorString("Breakpoint data missing toplevel resolver key");
148  return result_sp;
149  }
150 
151  Status create_error;
152  BreakpointResolverSP resolver_sp =
154  create_error);
155  if (create_error.Fail()) {
156  error.SetErrorStringWithFormat(
157  "Error creating breakpoint resolver from data: %s.",
158  create_error.AsCString());
159  return result_sp;
160  }
161 
162  StructuredData::Dictionary *filter_dict;
163  success = breakpoint_dict->GetValueForKeyAsDictionary(
164  SearchFilter::GetSerializationKey(), filter_dict);
165  SearchFilterSP filter_sp;
166  if (!success)
167  filter_sp =
168  std::make_shared<SearchFilterForUnconstrainedSearches>(target_sp);
169  else {
170  filter_sp = SearchFilter::CreateFromStructuredData(target_sp, *filter_dict,
171  create_error);
172  if (create_error.Fail()) {
173  error.SetErrorStringWithFormat(
174  "Error creating breakpoint filter from data: %s.",
175  create_error.AsCString());
176  return result_sp;
177  }
178  }
179 
180  std::unique_ptr<BreakpointOptions> options_up;
181  StructuredData::Dictionary *options_dict;
182  Target& target = *target_sp;
183  success = breakpoint_dict->GetValueForKeyAsDictionary(
185  if (success) {
187  target, *options_dict, create_error);
188  if (create_error.Fail()) {
189  error.SetErrorStringWithFormat(
190  "Error creating breakpoint options from data: %s.",
191  create_error.AsCString());
192  return result_sp;
193  }
194  }
195 
196  bool hardware = false;
197  success = breakpoint_dict->GetValueForKeyAsBoolean(
199 
200  result_sp = target.CreateBreakpoint(filter_sp, resolver_sp, false,
201  hardware, true);
202 
203  if (result_sp && options_up) {
204  result_sp->m_options = *options_up;
205  }
206 
207  StructuredData::Array *names_array;
208  success = breakpoint_dict->GetValueForKeyAsArray(
209  Breakpoint::GetKey(OptionNames::Names), names_array);
210  if (success && names_array) {
211  size_t num_names = names_array->GetSize();
212  for (size_t i = 0; i < num_names; i++) {
213  llvm::StringRef name;
214  Status error;
215  success = names_array->GetItemAtIndexAsString(i, name);
216  target.AddNameToBreakpoint(result_sp, name.str().c_str(), error);
217  }
218  }
219 
220  return result_sp;
221 }
222 
224  StructuredData::ObjectSP &bkpt_object_sp, std::vector<std::string> &names) {
225  if (!bkpt_object_sp)
226  return false;
227 
228  StructuredData::Dictionary *bkpt_dict = bkpt_object_sp->GetAsDictionary();
229  if (!bkpt_dict)
230  return false;
231 
232  if (names.empty())
233  return true;
234 
235  StructuredData::Array *names_array;
236 
237  bool success =
238  bkpt_dict->GetValueForKeyAsArray(GetKey(OptionNames::Names), names_array);
239  // If there are no names, it can't match these names;
240  if (!success)
241  return false;
242 
243  size_t num_names = names_array->GetSize();
244 
245  for (size_t i = 0; i < num_names; i++) {
246  llvm::StringRef name;
247  if (names_array->GetItemAtIndexAsString(i, name)) {
248  if (llvm::is_contained(names, name))
249  return true;
250  }
251  }
252  return false;
253 }
254 
255 const lldb::TargetSP Breakpoint::GetTargetSP() {
256  return m_target.shared_from_this();
257 }
258 
260 
261 BreakpointLocationSP Breakpoint::AddLocation(const Address &addr,
262  bool *new_location) {
264  new_location);
265 }
266 
267 BreakpointLocationSP Breakpoint::FindLocationByAddress(const Address &addr) {
268  return m_locations.FindByAddress(addr);
269 }
270 
272  return m_locations.FindIDByAddress(addr);
273 }
274 
275 BreakpointLocationSP Breakpoint::FindLocationByID(break_id_t bp_loc_id) {
276  return m_locations.FindByID(bp_loc_id);
277 }
278 
279 BreakpointLocationSP Breakpoint::GetLocationAtIndex(size_t index) {
280  return m_locations.GetByIndex(index);
281 }
282 
285 }
286 
287 // For each of the overall options we need to decide how they propagate to the
288 // location options. This will determine the precedence of options on the
289 // breakpoint vs. its locations.
290 
291 // Disable at the breakpoint level should override the location settings. That
292 // way you can conveniently turn off a whole breakpoint without messing up the
293 // individual settings.
294 
295 void Breakpoint::SetEnabled(bool enable) {
296  if (enable == m_options.IsEnabled())
297  return;
298 
299  m_options.SetEnabled(enable);
300  if (enable)
302  else
304 
305  SendBreakpointChangedEvent(enable ? eBreakpointEventTypeEnabled
306  : eBreakpointEventTypeDisabled);
307 }
308 
310 
312  if (m_options.GetIgnoreCount() == n)
313  return;
314 
316  SendBreakpointChangedEvent(eBreakpointEventTypeIgnoreChanged);
317 }
318 
320  uint32_t ignore = m_options.GetIgnoreCount();
321  if (ignore != 0)
322  m_options.SetIgnoreCount(ignore - 1);
323 }
324 
326  return m_options.GetIgnoreCount();
327 }
328 
330 
331 bool Breakpoint::IsOneShot() const { return m_options.IsOneShot(); }
332 
333 void Breakpoint::SetOneShot(bool one_shot) { m_options.SetOneShot(one_shot); }
334 
336 
337 void Breakpoint::SetAutoContinue(bool auto_continue) {
338  m_options.SetAutoContinue(auto_continue);
339 }
340 
342  if (m_options.GetThreadSpec()->GetTID() == thread_id)
343  return;
344 
345  m_options.GetThreadSpec()->SetTID(thread_id);
346  SendBreakpointChangedEvent(eBreakpointEventTypeThreadChanged);
347 }
348 
350  if (m_options.GetThreadSpecNoCreate() == nullptr)
351  return LLDB_INVALID_THREAD_ID;
352  else
354 }
355 
357  if (m_options.GetThreadSpec()->GetIndex() == index)
358  return;
359 
360  m_options.GetThreadSpec()->SetIndex(index);
361  SendBreakpointChangedEvent(eBreakpointEventTypeThreadChanged);
362 }
363 
365  if (m_options.GetThreadSpecNoCreate() == nullptr)
366  return 0;
367  else
369 }
370 
371 void Breakpoint::SetThreadName(const char *thread_name) {
372  if (m_options.GetThreadSpec()->GetName() != nullptr &&
373  ::strcmp(m_options.GetThreadSpec()->GetName(), thread_name) == 0)
374  return;
375 
376  m_options.GetThreadSpec()->SetName(thread_name);
377  SendBreakpointChangedEvent(eBreakpointEventTypeThreadChanged);
378 }
379 
380 const char *Breakpoint::GetThreadName() const {
381  if (m_options.GetThreadSpecNoCreate() == nullptr)
382  return nullptr;
383  else
385 }
386 
387 void Breakpoint::SetQueueName(const char *queue_name) {
388  if (m_options.GetThreadSpec()->GetQueueName() != nullptr &&
389  ::strcmp(m_options.GetThreadSpec()->GetQueueName(), queue_name) == 0)
390  return;
391 
392  m_options.GetThreadSpec()->SetQueueName(queue_name);
393  SendBreakpointChangedEvent(eBreakpointEventTypeThreadChanged);
394 }
395 
396 const char *Breakpoint::GetQueueName() const {
397  if (m_options.GetThreadSpecNoCreate() == nullptr)
398  return nullptr;
399  else
401 }
402 
403 void Breakpoint::SetCondition(const char *condition) {
404  m_options.SetCondition(condition);
405  SendBreakpointChangedEvent(eBreakpointEventTypeConditionChanged);
406 }
407 
408 const char *Breakpoint::GetConditionText() const {
409  return m_options.GetConditionText();
410 }
411 
412 // This function is used when "baton" doesn't need to be freed
413 void Breakpoint::SetCallback(BreakpointHitCallback callback, void *baton,
414  bool is_synchronous) {
415  // The default "Baton" class will keep a copy of "baton" and won't free or
416  // delete it when it goes goes out of scope.
417  m_options.SetCallback(callback, std::make_shared<UntypedBaton>(baton),
418  is_synchronous);
419 
420  SendBreakpointChangedEvent(eBreakpointEventTypeCommandChanged);
421 }
422 
423 // This function is used when a baton needs to be freed and therefore is
424 // contained in a "Baton" subclass.
425 void Breakpoint::SetCallback(BreakpointHitCallback callback,
426  const BatonSP &callback_baton_sp,
427  bool is_synchronous) {
428  m_options.SetCallback(callback, callback_baton_sp, is_synchronous);
429 }
430 
432 
434  break_id_t bp_loc_id) {
435  return m_options.InvokeCallback(context, GetID(), bp_loc_id);
436 }
437 
439 
440 const BreakpointOptions &Breakpoint::GetOptions() const { return m_options; }
441 
443  if (m_resolver_sp) {
445  m_resolver_sp->ResolveBreakpoint(*m_filter_sp);
446  }
447 }
448 
450  ModuleList &module_list, BreakpointLocationCollection &new_locations) {
453 
454  m_resolver_sp->ResolveBreakpointInModules(*m_filter_sp, module_list);
455 
457 }
458 
460  bool send_event) {
461  if (m_resolver_sp) {
462  // If this is not an internal breakpoint, set up to record the new
463  // locations, then dispatch an event with the new locations.
464  if (!IsInternal() && send_event) {
465  BreakpointEventData *new_locations_event = new BreakpointEventData(
466  eBreakpointEventTypeLocationsAdded, shared_from_this());
467 
469  module_list, new_locations_event->GetBreakpointLocationCollection());
470 
471  if (new_locations_event->GetBreakpointLocationCollection().GetSize() !=
472  0) {
473  SendBreakpointChangedEvent(new_locations_event);
474  } else
475  delete new_locations_event;
476  } else {
478  m_resolver_sp->ResolveBreakpointInModules(*m_filter_sp, module_list);
479  }
480  }
481 }
482 
485 }
486 
487 // ModulesChanged: Pass in a list of new modules, and
488 
489 void Breakpoint::ModulesChanged(ModuleList &module_list, bool load,
490  bool delete_locations) {
492  LLDB_LOGF(log,
493  "Breakpoint::ModulesChanged: num_modules: %zu load: %i "
494  "delete_locations: %i\n",
495  module_list.GetSize(), load, delete_locations);
496 
497  if (load) {
498  // The logic for handling new modules is:
499  // 1) If the filter rejects this module, then skip it. 2) Run through the
500  // current location list and if there are any locations
501  // for that module, we mark the module as "seen" and we don't try to
502  // re-resolve
503  // breakpoint locations for that module.
504  // However, we do add breakpoint sites to these locations if needed.
505  // 3) If we don't see this module in our breakpoint location list, call
506  // ResolveInModules.
507 
508  ModuleList new_modules; // We'll stuff the "unseen" modules in this list,
509  // and then resolve
510  // them after the locations pass. Have to do it this way because resolving
511  // breakpoints will add new locations potentially.
512 
513  for (ModuleSP module_sp : module_list.Modules()) {
514  bool seen = false;
515  if (!m_filter_sp->ModulePasses(module_sp))
516  continue;
517 
518  BreakpointLocationCollection locations_with_no_section;
519  for (BreakpointLocationSP break_loc_sp :
521 
522  // If the section for this location was deleted, that means it's Module
523  // has gone away but somebody forgot to tell us. Let's clean it up
524  // here.
525  Address section_addr(break_loc_sp->GetAddress());
526  if (section_addr.SectionWasDeleted()) {
527  locations_with_no_section.Add(break_loc_sp);
528  continue;
529  }
530 
531  if (!break_loc_sp->IsEnabled())
532  continue;
533 
534  SectionSP section_sp(section_addr.GetSection());
535 
536  // If we don't have a Section, that means this location is a raw
537  // address that we haven't resolved to a section yet. So we'll have to
538  // look in all the new modules to resolve this location. Otherwise, if
539  // it was set in this module, re-resolve it here.
540  if (section_sp && section_sp->GetModule() == module_sp) {
541  if (!seen)
542  seen = true;
543 
544  if (!break_loc_sp->ResolveBreakpointSite()) {
545  LLDB_LOGF(log,
546  "Warning: could not set breakpoint site for "
547  "breakpoint location %d of breakpoint %d.\n",
548  break_loc_sp->GetID(), GetID());
549  }
550  }
551  }
552 
553  size_t num_to_delete = locations_with_no_section.GetSize();
554 
555  for (size_t i = 0; i < num_to_delete; i++)
556  m_locations.RemoveLocation(locations_with_no_section.GetByIndex(i));
557 
558  if (!seen)
559  new_modules.AppendIfNeeded(module_sp);
560  }
561 
562  if (new_modules.GetSize() > 0) {
563  ResolveBreakpointInModules(new_modules);
564  }
565  } else {
566  // Go through the currently set locations and if any have breakpoints in
567  // the module list, then remove their breakpoint sites, and their locations
568  // if asked to.
569 
570  BreakpointEventData *removed_locations_event;
571  if (!IsInternal())
572  removed_locations_event = new BreakpointEventData(
573  eBreakpointEventTypeLocationsRemoved, shared_from_this());
574  else
575  removed_locations_event = nullptr;
576 
577  for (ModuleSP module_sp : module_list.Modules()) {
578  if (m_filter_sp->ModulePasses(module_sp)) {
579  size_t loc_idx = 0;
580  size_t num_locations = m_locations.GetSize();
581  BreakpointLocationCollection locations_to_remove;
582  for (loc_idx = 0; loc_idx < num_locations; loc_idx++) {
583  BreakpointLocationSP break_loc_sp(m_locations.GetByIndex(loc_idx));
584  SectionSP section_sp(break_loc_sp->GetAddress().GetSection());
585  if (section_sp && section_sp->GetModule() == module_sp) {
586  // Remove this breakpoint since the shared library is unloaded, but
587  // keep the breakpoint location around so we always get complete
588  // hit count and breakpoint lifetime info
589  break_loc_sp->ClearBreakpointSite();
590  if (removed_locations_event) {
591  removed_locations_event->GetBreakpointLocationCollection().Add(
592  break_loc_sp);
593  }
594  if (delete_locations)
595  locations_to_remove.Add(break_loc_sp);
596  }
597  }
598 
599  if (delete_locations) {
600  size_t num_locations_to_remove = locations_to_remove.GetSize();
601  for (loc_idx = 0; loc_idx < num_locations_to_remove; loc_idx++)
602  m_locations.RemoveLocation(locations_to_remove.GetByIndex(loc_idx));
603  }
604  }
605  }
606  SendBreakpointChangedEvent(removed_locations_event);
607  }
608 }
609 
611  SymbolContext &new_sc) {
612  bool equivalent_scs = false;
613 
614  if (old_sc.module_sp.get() == new_sc.module_sp.get()) {
615  // If these come from the same module, we can directly compare the
616  // pointers:
617  if (old_sc.comp_unit && new_sc.comp_unit &&
618  (old_sc.comp_unit == new_sc.comp_unit)) {
619  if (old_sc.function && new_sc.function &&
620  (old_sc.function == new_sc.function)) {
621  equivalent_scs = true;
622  }
623  } else if (old_sc.symbol && new_sc.symbol &&
624  (old_sc.symbol == new_sc.symbol)) {
625  equivalent_scs = true;
626  }
627  } else {
628  // Otherwise we will compare by name...
629  if (old_sc.comp_unit && new_sc.comp_unit) {
630  if (old_sc.comp_unit->GetPrimaryFile() ==
631  new_sc.comp_unit->GetPrimaryFile()) {
632  // Now check the functions:
633  if (old_sc.function && new_sc.function &&
634  (old_sc.function->GetName() == new_sc.function->GetName())) {
635  equivalent_scs = true;
636  }
637  }
638  } else if (old_sc.symbol && new_sc.symbol) {
639  if (Mangled::Compare(old_sc.symbol->GetMangled(),
640  new_sc.symbol->GetMangled()) == 0) {
641  equivalent_scs = true;
642  }
643  }
644  }
645  return equivalent_scs;
646 }
647 
648 void Breakpoint::ModuleReplaced(ModuleSP old_module_sp,
649  ModuleSP new_module_sp) {
651  LLDB_LOGF(log, "Breakpoint::ModulesReplaced for %s\n",
652  old_module_sp->GetSpecificationDescription().c_str());
653  // First find all the locations that are in the old module
654 
655  BreakpointLocationCollection old_break_locs;
656  for (BreakpointLocationSP break_loc_sp : m_locations.BreakpointLocations()) {
657  SectionSP section_sp = break_loc_sp->GetAddress().GetSection();
658  if (section_sp && section_sp->GetModule() == old_module_sp) {
659  old_break_locs.Add(break_loc_sp);
660  }
661  }
662 
663  size_t num_old_locations = old_break_locs.GetSize();
664 
665  if (num_old_locations == 0) {
666  // There were no locations in the old module, so we just need to check if
667  // there were any in the new module.
668  ModuleList temp_list;
669  temp_list.Append(new_module_sp);
670  ResolveBreakpointInModules(temp_list);
671  } else {
672  // First search the new module for locations. Then compare this with the
673  // old list, copy over locations that "look the same" Then delete the old
674  // locations. Finally remember to post the creation event.
675  //
676  // Two locations are the same if they have the same comp unit & function
677  // (by name) and there are the same number of locations in the old function
678  // as in the new one.
679 
680  ModuleList temp_list;
681  temp_list.Append(new_module_sp);
682  BreakpointLocationCollection new_break_locs;
683  ResolveBreakpointInModules(temp_list, new_break_locs);
684  BreakpointLocationCollection locations_to_remove;
685  BreakpointLocationCollection locations_to_announce;
686 
687  size_t num_new_locations = new_break_locs.GetSize();
688 
689  if (num_new_locations > 0) {
690  // Break out the case of one location -> one location since that's the
691  // most common one, and there's no need to build up the structures needed
692  // for the merge in that case.
693  if (num_new_locations == 1 && num_old_locations == 1) {
694  bool equivalent_locations = false;
695  SymbolContext old_sc, new_sc;
696  // The only way the old and new location can be equivalent is if they
697  // have the same amount of information:
698  BreakpointLocationSP old_loc_sp = old_break_locs.GetByIndex(0);
699  BreakpointLocationSP new_loc_sp = new_break_locs.GetByIndex(0);
700 
701  if (old_loc_sp->GetAddress().CalculateSymbolContext(&old_sc) ==
702  new_loc_sp->GetAddress().CalculateSymbolContext(&new_sc)) {
703  equivalent_locations =
704  SymbolContextsMightBeEquivalent(old_sc, new_sc);
705  }
706 
707  if (equivalent_locations) {
708  m_locations.SwapLocation(old_loc_sp, new_loc_sp);
709  } else {
710  locations_to_remove.Add(old_loc_sp);
711  locations_to_announce.Add(new_loc_sp);
712  }
713  } else {
714  // We don't want to have to keep computing the SymbolContexts for these
715  // addresses over and over, so lets get them up front:
716 
717  typedef std::map<lldb::break_id_t, SymbolContext> IDToSCMap;
718  IDToSCMap old_sc_map;
719  for (size_t idx = 0; idx < num_old_locations; idx++) {
720  SymbolContext sc;
721  BreakpointLocationSP bp_loc_sp = old_break_locs.GetByIndex(idx);
722  lldb::break_id_t loc_id = bp_loc_sp->GetID();
723  bp_loc_sp->GetAddress().CalculateSymbolContext(&old_sc_map[loc_id]);
724  }
725 
726  std::map<lldb::break_id_t, SymbolContext> new_sc_map;
727  for (size_t idx = 0; idx < num_new_locations; idx++) {
728  SymbolContext sc;
729  BreakpointLocationSP bp_loc_sp = new_break_locs.GetByIndex(idx);
730  lldb::break_id_t loc_id = bp_loc_sp->GetID();
731  bp_loc_sp->GetAddress().CalculateSymbolContext(&new_sc_map[loc_id]);
732  }
733  // Take an element from the old Symbol Contexts
734  while (old_sc_map.size() > 0) {
735  lldb::break_id_t old_id = old_sc_map.begin()->first;
736  SymbolContext &old_sc = old_sc_map.begin()->second;
737 
738  // Count the number of entries equivalent to this SC for the old
739  // list:
740  std::vector<lldb::break_id_t> old_id_vec;
741  old_id_vec.push_back(old_id);
742 
743  IDToSCMap::iterator tmp_iter;
744  for (tmp_iter = ++old_sc_map.begin(); tmp_iter != old_sc_map.end();
745  tmp_iter++) {
746  if (SymbolContextsMightBeEquivalent(old_sc, tmp_iter->second))
747  old_id_vec.push_back(tmp_iter->first);
748  }
749 
750  // Now find all the equivalent locations in the new list.
751  std::vector<lldb::break_id_t> new_id_vec;
752  for (tmp_iter = new_sc_map.begin(); tmp_iter != new_sc_map.end();
753  tmp_iter++) {
754  if (SymbolContextsMightBeEquivalent(old_sc, tmp_iter->second))
755  new_id_vec.push_back(tmp_iter->first);
756  }
757 
758  // Alright, if we have the same number of potentially equivalent
759  // locations in the old and new modules, we'll just map them one to
760  // one in ascending ID order (assuming the resolver's order would
761  // match the equivalent ones. Otherwise, we'll dump all the old ones,
762  // and just take the new ones, erasing the elements from both maps as
763  // we go.
764 
765  if (old_id_vec.size() == new_id_vec.size()) {
766  llvm::sort(old_id_vec);
767  llvm::sort(new_id_vec);
768  size_t num_elements = old_id_vec.size();
769  for (size_t idx = 0; idx < num_elements; idx++) {
770  BreakpointLocationSP old_loc_sp =
771  old_break_locs.FindByIDPair(GetID(), old_id_vec[idx]);
772  BreakpointLocationSP new_loc_sp =
773  new_break_locs.FindByIDPair(GetID(), new_id_vec[idx]);
774  m_locations.SwapLocation(old_loc_sp, new_loc_sp);
775  old_sc_map.erase(old_id_vec[idx]);
776  new_sc_map.erase(new_id_vec[idx]);
777  }
778  } else {
779  for (lldb::break_id_t old_id : old_id_vec) {
780  locations_to_remove.Add(
781  old_break_locs.FindByIDPair(GetID(), old_id));
782  old_sc_map.erase(old_id);
783  }
784  for (lldb::break_id_t new_id : new_id_vec) {
785  locations_to_announce.Add(
786  new_break_locs.FindByIDPair(GetID(), new_id));
787  new_sc_map.erase(new_id);
788  }
789  }
790  }
791  }
792  }
793 
794  // Now remove the remaining old locations, and cons up a removed locations
795  // event. Note, we don't put the new locations that were swapped with an
796  // old location on the locations_to_remove list, so we don't need to worry
797  // about telling the world about removing a location we didn't tell them
798  // about adding.
799 
800  BreakpointEventData *locations_event;
801  if (!IsInternal())
802  locations_event = new BreakpointEventData(
803  eBreakpointEventTypeLocationsRemoved, shared_from_this());
804  else
805  locations_event = nullptr;
806 
807  for (BreakpointLocationSP loc_sp :
808  locations_to_remove.BreakpointLocations()) {
809  m_locations.RemoveLocation(loc_sp);
810  if (locations_event)
811  locations_event->GetBreakpointLocationCollection().Add(loc_sp);
812  }
813  SendBreakpointChangedEvent(locations_event);
814 
815  // And announce the new ones.
816 
817  if (!IsInternal()) {
818  locations_event = new BreakpointEventData(
819  eBreakpointEventTypeLocationsAdded, shared_from_this());
820  for (BreakpointLocationSP loc_sp :
821  locations_to_announce.BreakpointLocations())
822  locations_event->GetBreakpointLocationCollection().Add(loc_sp);
823 
824  SendBreakpointChangedEvent(locations_event);
825  }
827  }
828 }
829 
831 
833  // Return the number of breakpoints that are actually resolved and set down
834  // in the inferior process.
836 }
837 
839  return GetNumResolvedLocations() > 0;
840 }
841 
842 size_t Breakpoint::GetNumLocations() const { return m_locations.GetSize(); }
843 
844 bool Breakpoint::AddName(llvm::StringRef new_name) {
845  m_name_list.insert(new_name.str().c_str());
846  return true;
847 }
848 
850  bool show_locations) {
851  assert(s != nullptr);
852 
853  if (!m_kind_description.empty()) {
854  if (level == eDescriptionLevelBrief) {
856  return;
857  } else
858  s->Printf("Kind: %s\n", GetBreakpointKind());
859  }
860 
861  const size_t num_locations = GetNumLocations();
862  const size_t num_resolved_locations = GetNumResolvedLocations();
863 
864  // They just made the breakpoint, they don't need to be told HOW they made
865  // it... Also, we'll print the breakpoint number differently depending on
866  // whether there is 1 or more locations.
867  if (level != eDescriptionLevelInitial) {
868  s->Printf("%i: ", GetID());
871  }
872 
873  switch (level) {
876  if (num_locations > 0) {
877  s->Printf(", locations = %" PRIu64, (uint64_t)num_locations);
878  if (num_resolved_locations > 0)
879  s->Printf(", resolved = %" PRIu64 ", hit count = %d",
880  (uint64_t)num_resolved_locations, GetHitCount());
881  } else {
882  // Don't print the pending notification for exception resolvers since we
883  // don't generally know how to set them until the target is run.
884  if (m_resolver_sp->getResolverID() !=
886  s->Printf(", locations = 0 (pending)");
887  }
888 
889  m_options.GetDescription(s, level);
890 
891  if (m_precondition_sp)
892  m_precondition_sp->GetDescription(*s, level);
893 
894  if (level == lldb::eDescriptionLevelFull) {
895  if (!m_name_list.empty()) {
896  s->EOL();
897  s->Indent();
898  s->Printf("Names:");
899  s->EOL();
900  s->IndentMore();
901  for (std::string name : m_name_list) {
902  s->Indent();
903  s->Printf("%s\n", name.c_str());
904  }
905  s->IndentLess();
906  }
907  s->IndentLess();
908  s->EOL();
909  }
910  break;
911 
913  s->Printf("Breakpoint %i: ", GetID());
914  if (num_locations == 0) {
915  s->Printf("no locations (pending).");
916  } else if (num_locations == 1 && !show_locations) {
917  // There is only one location, so we'll just print that location
918  // information.
919  GetLocationAtIndex(0)->GetDescription(s, level);
920  } else {
921  s->Printf("%" PRIu64 " locations.", static_cast<uint64_t>(num_locations));
922  }
923  s->EOL();
924  break;
925 
927  // Verbose mode does a debug dump of the breakpoint
928  Dump(s);
929  s->EOL();
930  // s->Indent();
931  m_options.GetDescription(s, level);
932  break;
933 
934  default:
935  break;
936  }
937 
938  // The brief description is just the location name (1.2 or whatever). That's
939  // pointless to show in the breakpoint's description, so suppress it.
940  if (show_locations && level != lldb::eDescriptionLevelBrief) {
941  s->IndentMore();
942  for (size_t i = 0; i < num_locations; ++i) {
943  BreakpointLocation *loc = GetLocationAtIndex(i).get();
944  loc->GetDescription(s, level);
945  s->EOL();
946  }
947  s->IndentLess();
948  }
949 }
950 
952  if (m_resolver_sp)
953  m_resolver_sp->GetDescription(s);
954 }
955 
957  uint32_t line_number,
958  BreakpointLocationCollection &loc_coll) {
959  // TODO: To be correct, this method needs to fill the breakpoint location
960  // collection
961  // with the location IDs which match the filename and line_number.
962  //
963 
964  if (m_resolver_sp) {
965  BreakpointResolverFileLine *resolverFileLine =
966  dyn_cast<BreakpointResolverFileLine>(m_resolver_sp.get());
967 
968  // TODO: Handle SourceLocationSpec column information
969  if (resolverFileLine &&
970  resolverFileLine->m_location_spec.GetFileSpec().GetFilename() ==
971  filename &&
972  resolverFileLine->m_location_spec.GetLine() == line_number) {
973  return true;
974  }
975  }
976  return false;
977 }
978 
980  m_filter_sp->GetDescription(s);
981 }
982 
984  if (!m_precondition_sp)
985  return true;
986 
987  return m_precondition_sp->EvaluatePrecondition(context);
988 }
989 
991  lldb::BreakpointEventType eventKind) {
992  if (!m_being_created && !IsInternal() &&
993  GetTarget().EventTypeHasListeners(
995  BreakpointEventData *data =
996  new Breakpoint::BreakpointEventData(eventKind, shared_from_this());
997 
999  }
1000 }
1001 
1003  if (data == nullptr)
1004  return;
1005 
1006  if (!m_being_created && !IsInternal() &&
1007  GetTarget().EventTypeHasListeners(Target::eBroadcastBitBreakpointChanged))
1009  else
1010  delete data;
1011 }
1012 
1013 const char *Breakpoint::BreakpointEventTypeAsCString(BreakpointEventType type) {
1014  switch (type) {
1015  case eBreakpointEventTypeInvalidType: return "invalid";
1016  case eBreakpointEventTypeAdded: return "breakpoint added";
1017  case eBreakpointEventTypeRemoved: return "breakpoint removed";
1018  case eBreakpointEventTypeLocationsAdded: return "locations added";
1019  case eBreakpointEventTypeLocationsRemoved: return "locations removed";
1020  case eBreakpointEventTypeLocationsResolved: return "locations resolved";
1021  case eBreakpointEventTypeEnabled: return "breakpoint enabled";
1022  case eBreakpointEventTypeDisabled: return "breakpoint disabled";
1023  case eBreakpointEventTypeCommandChanged: return "command changed";
1024  case eBreakpointEventTypeConditionChanged: return "condition changed";
1025  case eBreakpointEventTypeIgnoreChanged: return "ignore count changed";
1026  case eBreakpointEventTypeThreadChanged: return "thread changed";
1027  case eBreakpointEventTypeAutoContinueChanged: return "autocontinue changed";
1028  };
1029  llvm_unreachable("Fully covered switch above!");
1030 }
1031 
1033  return GetLog(LLDBLog::Breakpoints);
1034 }
1035 
1037  BreakpointEventType sub_type, const BreakpointSP &new_breakpoint_sp)
1038  : m_breakpoint_event(sub_type), m_new_breakpoint_sp(new_breakpoint_sp) {}
1039 
1041 
1043  static ConstString g_flavor("Breakpoint::BreakpointEventData");
1044  return g_flavor;
1045 }
1046 
1049 }
1050 
1052  return m_new_breakpoint_sp;
1053 }
1054 
1055 BreakpointEventType
1057  return m_breakpoint_event;
1058 }
1059 
1061  if (!s)
1062  return;
1063  BreakpointEventType event_type = GetBreakpointEventType();
1064  break_id_t bkpt_id = GetBreakpoint()->GetID();
1065  s->Format("bkpt: {0} type: {1}", bkpt_id,
1066  BreakpointEventTypeAsCString(event_type));
1067 }
1068 
1071  if (event) {
1072  const EventData *event_data = event->GetData();
1073  if (event_data &&
1075  return static_cast<const BreakpointEventData *>(event->GetData());
1076  }
1077  return nullptr;
1078 }
1079 
1080 BreakpointEventType
1082  const EventSP &event_sp) {
1083  const BreakpointEventData *data = GetEventDataFromEvent(event_sp.get());
1084 
1085  if (data == nullptr)
1086  return eBreakpointEventTypeInvalidType;
1087  else
1088  return data->GetBreakpointEventType();
1089 }
1090 
1092  const EventSP &event_sp) {
1093  BreakpointSP bp_sp;
1094 
1095  const BreakpointEventData *data = GetEventDataFromEvent(event_sp.get());
1096  if (data)
1097  bp_sp = data->m_new_breakpoint_sp;
1098 
1099  return bp_sp;
1100 }
1101 
1103  const EventSP &event_sp) {
1104  const BreakpointEventData *data = GetEventDataFromEvent(event_sp.get());
1105  if (data)
1106  return data->m_locations.GetSize();
1107 
1108  return 0;
1109 }
1110 
1111 lldb::BreakpointLocationSP
1113  const lldb::EventSP &event_sp, uint32_t bp_loc_idx) {
1114  lldb::BreakpointLocationSP bp_loc_sp;
1115 
1116  const BreakpointEventData *data = GetEventDataFromEvent(event_sp.get());
1117  if (data) {
1118  bp_loc_sp = data->m_locations.GetByIndex(bp_loc_idx);
1119  }
1120 
1121  return bp_loc_sp;
1122 }
1123 
1125  json::Object bp;
1126  bp.try_emplace("id", GetID());
1127  bp.try_emplace("resolveTime", m_resolve_time.get().count());
1128  bp.try_emplace("numLocations", (int64_t)GetNumLocations());
1129  bp.try_emplace("numResolvedLocations", (int64_t)GetNumResolvedLocations());
1130  bp.try_emplace("internal", IsInternal());
1131  if (!m_kind_description.empty())
1132  bp.try_emplace("kindDescription", m_kind_description);
1133  // Put the full structured data for reproducing this breakpoint in a key/value
1134  // pair named "details". This allows the breakpoint's details to be visible
1135  // in the stats in case we need to reproduce a breakpoint that has long
1136  // resolve times
1138  if (bp_data_sp) {
1139  std::string buffer;
1140  llvm::raw_string_ostream ss(buffer);
1141  json::OStream json_os(ss);
1142  bp_data_sp->Serialize(json_os);
1143  if (auto expected_value = llvm::json::parse(ss.str())) {
1144  bp.try_emplace("details", std::move(*expected_value));
1145  } else {
1146  std::string details_error = toString(expected_value.takeError());
1147  json::Object details;
1148  details.try_emplace("error", details_error);
1149  bp.try_emplace("details", std::move(details));
1150  }
1151  }
1152  return json::Value(std::move(bp));
1153 }
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Definition: AppleArm64ExceptionClass.h:38
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Definition: SourceLocationSpec.h:166
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Returns the BreakpointOptions structure set at the breakpoint level.
Definition: Breakpoint.cpp:438
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Definition: Breakpoint.h:648
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Return whether this breakpoint has any resolved locations.
Definition: Breakpoint.cpp:838
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Get statistics associated with this breakpoint in JSON format.
Definition: Breakpoint.cpp:1124
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Decrement the current indentation level.
Definition: Stream.cpp:171
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Definition: Stream.h:309
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Returns a shared pointer to the breakpoint location with index i.
Definition: BreakpointLocationCollection.cpp:100
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Tell this breakpoint to clear all its breakpoint sites.
Definition: Breakpoint.cpp:483
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Return a pointer to the text of the condition expression.
Definition: Breakpoint.cpp:408
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Definition: BreakpointOptions.cpp:518
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Definition: BreakpointLocationCollection.cpp:79
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The CompileUnit for a given query.
Definition: SymbolContext.h:319
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Returns a pointer to the ThreadSpec for this option, creating it.
Definition: BreakpointOptions.cpp:498
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Definition: StoppointCallbackContext.h:26
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Set the breakpoint to ignore the next count breakpoint hits.
Definition: BreakpointOptions.h:299
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Definition: Breakpoint.cpp:956
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Definition: Stoppoint.cpp:22
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Tells all the breakpoint locations in this list to attempt to resolve any possible breakpoint sites.
Definition: BreakpointLocationList.cpp:160
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Return the current ignore count/.
Definition: Breakpoint.cpp:325
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Check the OneShot state.
Definition: Breakpoint.cpp:331
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Set the breakpoint option's condition.
Definition: BreakpointOptions.cpp:470
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Put a description of this breakpoint into the stream s.
Definition: Breakpoint.cpp:849
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Return a pointer to the text of the condition expression.
Definition: BreakpointOptions.cpp:483
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Definition: BreakpointResolverFileLine.h:22
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Definition: Breakpoint.cpp:380
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#define LLDB_LOGF(log,...)
Definition: Log.h:343
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A class that measures elapsed time in an exception safe way.
Definition: Statistics.h:66
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Set the breakpoint's condition.
Definition: Breakpoint.cpp:403
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Definition: Event.h:36
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Find a breakpoint location ID by Address.
Definition: Breakpoint.cpp:271
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Definition: BreakpointLocationList.cpp:290
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If enable is true, enable the breakpoint, if false disable it.
Definition: BreakpointOptions.h:269
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Definition: BreakpointOptions.h:266
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Definition: Stream.h:28
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Definition: Target.cpp:350
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Definition: Breakpoint.cpp:983
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Definition: Breakpoint.h:119
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Definition: BreakpointLocationList.cpp:236
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Definition: Breakpoint.h:102
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virtual StructuredData::ObjectSP SerializeToStructuredData()
Definition: Breakpoint.cpp:82
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Definition: SymbolContext.h:33
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Definition: Target.h:473
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Definition: Breakpoint.cpp:1070
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@ Hardware
lldb_private::BreakpointLocationList::AddLocation
lldb::BreakpointLocationSP AddLocation(const Address &addr, bool resolve_indirect_symbols, bool *new_location=nullptr)
Definition: BreakpointLocationList.cpp:201
lldb_private::Breakpoint::BreakpointEventData::GetFlavorString
static ConstString GetFlavorString()
Definition: Breakpoint.cpp:1042
lldb_private::StoppointHitCounter::GetValue
uint32_t GetValue() const
Definition: StoppointHitCounter.h:22
lldb_private::BreakpointOptions::SetAutoContinue
void SetAutoContinue(bool auto_continue)
Set the auto-continue state.
Definition: BreakpointOptions.h:280
lldb_private::BreakpointLocation
General Outline: A breakpoint location is defined by the breakpoint that produces it,...
Definition: BreakpointLocation.h:37
lldb_private::BreakpointOptions::GetThreadSpecNoCreate
const ThreadSpec * GetThreadSpecNoCreate() const
Return the current thread spec for this option.
Definition: BreakpointOptions.cpp:494
lldb_private::Breakpoint::BreakpointEventData::Dump
void Dump(Stream *s) const override
Definition: Breakpoint.cpp:1060
lldb_private::BreakpointOptions::GetSerializationKey
static const char * GetSerializationKey()
Definition: BreakpointOptions.h:133
lldb_private::Breakpoint::m_hardware
bool m_hardware
Definition: Breakpoint.h:638
lldb_private::Stoppoint::m_bid
lldb::break_id_t m_bid
Definition: Stoppoint.h:36
Target.h
lldb_private::Breakpoint::BreakpointEventData::GetNumBreakpointLocationsFromEvent
static size_t GetNumBreakpointLocationsFromEvent(const lldb::EventSP &event_sp)
Definition: Breakpoint.cpp:1102
lldb_private::Breakpoint::SetQueueName
void SetQueueName(const char *queue_name)
Definition: Breakpoint.cpp:387
lldb_private::Breakpoint::m_name_list
std::unordered_set< std::string > m_name_list
Definition: Breakpoint.h:640
lldb_private::BreakpointOptions::CreateFromStructuredData
static std::unique_ptr< BreakpointOptions > CreateFromStructuredData(Target &target, const StructuredData::Dictionary &data_dict, Status &error)
Definition: BreakpointOptions.cpp:227
BreakpointPrecondition.h
elapsed
static double elapsed(const StatsTimepoint &start, const StatsTimepoint &end)
Definition: Statistics.cpp:36
error
static llvm::raw_ostream & error(Stream &strm)
Definition: CommandReturnObject.cpp:17
lldb_private::Address::SectionWasDeleted
bool SectionWasDeleted() const
Definition: Address.cpp:805
lldb_private::SymbolContext::symbol
Symbol * symbol
The Symbol for a given query.
Definition: SymbolContext.h:323
lldb_private::ModuleList::GetSize
size_t GetSize() const
Gets the size of the module list.
Definition: ModuleList.cpp:630
lldb_private::StructuredData::StringSP
std::shared_ptr< String > StringSP
Definition: StructuredData.h:66
lldb_private::BreakpointLocationList::SwapLocation
void SwapLocation(lldb::BreakpointLocationSP to_location_sp, lldb::BreakpointLocationSP from_location_sp)
Definition: BreakpointLocationList.cpp:223
lldb_private::StructuredData::String
Definition: StructuredData.h:336
lldb_private::BreakpointResolver::CreateFromStructuredData
static lldb::BreakpointResolverSP CreateFromStructuredData(const StructuredData::Dictionary &resolver_dict, Status &error)
This section handles serializing and deserializing from StructuredData objects.
Definition: BreakpointResolver.cpp:71
ModuleList.h
lldb_private::Stream::Indent
size_t Indent(llvm::StringRef s="")
Indent the current line in the stream.
Definition: Stream.cpp:130
lldb_private::Breakpoint::m_locations
BreakpointLocationList m_locations
Definition: Breakpoint.h:656
lldb_private::Breakpoint::BreakpointEventData::~BreakpointEventData
~BreakpointEventData() override
lldb_private::Function::GetName
ConstString GetName() const
Definition: Function.cpp:654
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Definition: ModuleList.h:81
Log.h
lldb_private::Breakpoint::BreakpointEventData::m_new_breakpoint_sp
lldb::BreakpointSP m_new_breakpoint_sp
Definition: Breakpoint.h:143
lldb_private::Breakpoint::BreakpointEventData::GetLogChannel
Log * GetLogChannel() override
Definition: Breakpoint.cpp:1032
lldb_private::Breakpoint::m_filter_sp
lldb::SearchFilterSP m_filter_sp
Definition: Breakpoint.h:645
SearchFilter.h
lldb_private::Breakpoint::GetLocationAtIndex
lldb::BreakpointLocationSP GetLocationAtIndex(size_t index)
Get breakpoint locations by index.
Definition: Breakpoint.cpp:279
lldb_private::Breakpoint::IsInternal
bool IsInternal() const
Tell whether this breakpoint is an "internal" breakpoint.
Definition: Breakpoint.cpp:259
ThreadSpec.h
Compare
static bool Compare(BreakpointLocationSP lhs, lldb::break_id_t val)
Definition: BreakpointLocationList.cpp:63
lldb_private::BreakpointLocationList::GetSize
size_t GetSize() const
Returns the number of elements in this breakpoint location list.
Definition: BreakpointLocationList.h:146
lldb_private::Breakpoint::GetBreakpointKind
const char * GetBreakpointKind() const
Return the "kind" description for a breakpoint.
Definition: Breakpoint.h:453
lldb_private::Status::Fail
bool Fail() const
Test for error condition.
Definition: Status.cpp:181
lldb_private::BreakpointOptions::SetCallback
void SetCallback(BreakpointHitCallback callback, const lldb::BatonSP &baton_sp, bool synchronous=false)
Adds a callback to the breakpoint option set.
Definition: BreakpointOptions.cpp:392
lldb_private::StructuredData::ObjectSP
std::shared_ptr< Object > ObjectSP
Definition: StructuredData.h:59
lldb_private::BreakpointLocationList::StopRecordingNewLocations
void StopRecordingNewLocations()
Definition: BreakpointLocationList.cpp:297
lldb_private::BreakpointResolver::ExceptionResolver
@ ExceptionResolver
Definition: BreakpointResolver.h:133
lldb_private::BreakpointLocationList::FindByID
lldb::BreakpointLocationSP FindByID(lldb::break_id_t breakID) const
Returns a shared pointer to the breakpoint location with id breakID, const version.
Definition: BreakpointLocationList.cpp:68
lldb_private::Breakpoint::GetQueueName
const char * GetQueueName() const
Definition: Breakpoint.cpp:396
lldb_private::SymbolContext::function
Function * function
The Function for a given query.
Definition: SymbolContext.h:320
StreamString.h
lldb_private::Breakpoint::SetIgnoreCount
void SetIgnoreCount(uint32_t count)
Set the breakpoint to ignore the next count breakpoint hits.
Definition: Breakpoint.cpp:311
lldb_private::ThreadSpec::SetQueueName
void SetQueueName(llvm::StringRef queue_name)
Definition: ThreadSpec.h:51
lldb::break_id_t
int32_t break_id_t
Definition: lldb-types.h:88
lldb_private::ConstString
Definition: ConstString.h:40
lldb_private::BreakpointOptions
Definition: BreakpointOptions.h:27
lldb::eDescriptionLevelFull
@ eDescriptionLevelFull
Definition: lldb-enumerations.h:209
lldb_private::Target::AddNameToBreakpoint
void AddNameToBreakpoint(BreakpointID &id, const char *name, Status &error)
Definition: Target.cpp:684
lldb_private::Breakpoint::Breakpoint
Breakpoint(Target &target, lldb::SearchFilterSP &filter_sp, lldb::BreakpointResolverSP &resolver_sp, bool hardware, bool resolve_indirect_symbols=true)
Constructors and Destructors Only the Target can make a breakpoint, and it owns the breakpoint lifesp...
lldb_private::ThreadSpec::SetIndex
void SetIndex(uint32_t index)
Definition: ThreadSpec.h:45
lldb_private::Breakpoint::InvokeCallback
bool InvokeCallback(StoppointCallbackContext *context, lldb::break_id_t bp_loc_id)
Invoke the callback action when the breakpoint is hit.
Definition: Breakpoint.cpp:433
lldb_private::LLDBLog::Breakpoints
@ Breakpoints
lldb_private::StructuredData::DictionarySP
std::shared_ptr< Dictionary > DictionarySP
Definition: StructuredData.h:67
lldb_private::CompileUnit::GetPrimaryFile
const FileSpec & GetPrimaryFile() const
Return the primary source file associated with this compile unit.
Definition: CompileUnit.h:227
lldb_private::Breakpoint::BreakpointEventData::GetFlavor
ConstString GetFlavor() const override
Definition: Breakpoint.cpp:1047
lldb_private::Breakpoint::m_being_created
bool m_being_created
Definition: Breakpoint.h:636
lldb_private::SearchFilter::GetSerializationKey
static const char * GetSerializationKey()
Definition: SearchFilter.h:211
string
string(SUBSTRING ${p} 10 -1 pStripped) if($
Definition: Plugins/CMakeLists.txt:40
lldb_private::Breakpoint::GetNumResolvedLocations
size_t GetNumResolvedLocations() const
Return the number of breakpoint locations that have resolved to actual breakpoint sites.
Definition: Breakpoint.cpp:832
lldb_private::Address::GetSection
lldb::SectionSP GetSection() const
Get const accessor for the section.
Definition: Address.h:429
lldb_private::Breakpoint::GetThreadIndex
uint32_t GetThreadIndex() const
Definition: Breakpoint.cpp:364
lldb_private::BreakpointLocationList::Compact
void Compact()
Definition: BreakpointLocationList.cpp:302
lldb_private::BreakpointResolverFileLine::m_location_spec
SourceLocationSpec m_location_spec
Definition: BreakpointResolverFileLine.h:62
lldb_private::BreakpointLocationList::FindIDByAddress
lldb::break_id_t FindIDByAddress(const Address &addr)
Returns the breakpoint location id to the breakpoint location at address addr.
Definition: BreakpointLocationList.cpp:55
lldb_private::Symbol::GetMangled
Mangled & GetMangled()
Definition: Symbol.h:121
lldb_private::ThreadSpec::SetTID
void SetTID(lldb::tid_t tid)
Definition: ThreadSpec.h:47
lldb_private::Breakpoint::m_options
BreakpointOptions m_options
Definition: Breakpoint.h:654
Address.h
lldb_private::Breakpoint::SetThreadID
void SetThreadID(lldb::tid_t thread_id)
Set the valid thread to be checked when the breakpoint is hit.
Definition: Breakpoint.cpp:341
lldb_private::BreakpointLocationCollection
Definition: BreakpointLocationCollection.h:20
lldb_private::Breakpoint::SetThreadIndex
void SetThreadIndex(uint32_t index)
Definition: Breakpoint.cpp:356
lldb_private::Breakpoint::RemoveInvalidLocations
void RemoveInvalidLocations(const ArchSpec &arch)
Removes all invalid breakpoint locations.
Definition: Breakpoint.cpp:283
lldb_private::Breakpoint::GetThreadID
lldb::tid_t GetThreadID() const
Return the current stop thread value.
Definition: Breakpoint.cpp:349
lldb_private::BreakpointOptions::InvokeCallback
bool InvokeCallback(StoppointCallbackContext *context, lldb::user_id_t break_id, lldb::user_id_t break_loc_id)
Use this function to invoke the callback for a specific stop.
Definition: BreakpointOptions.cpp:437
lldb_private::Breakpoint::CopyFromBreakpoint
static lldb::BreakpointSP CopyFromBreakpoint(lldb::TargetSP new_target, const Breakpoint &bp_to_copy_from)
Definition: Breakpoint.cpp:69
Symbol.h
lldb_private::BreakpointOptions::SerializeToStructuredData
virtual StructuredData::ObjectSP SerializeToStructuredData()
Definition: BreakpointOptions.cpp:353
lldb_private::ThreadSpec::GetName
const char * GetName() const
Definition: ThreadSpec.cpp:68
lldb_private::Breakpoint::ModulesChanged
void ModulesChanged(ModuleList &changed_modules, bool load_event, bool delete_locations=false)
Like ResolveBreakpointInModules, but allows for "unload" events, in which case we will remove any loc...
Definition: Breakpoint.cpp:489
lldb_private::Breakpoint::SetEnabled
void SetEnabled(bool enable) override
If enable is true, enable the breakpoint, if false disable it.
Definition: Breakpoint.cpp:295
lldb_private::Breakpoint::BreakpointEventTypeAsCString
static const char * BreakpointEventTypeAsCString(lldb::BreakpointEventType type)
Definition: Breakpoint.cpp:1013
lldb_private::Broadcaster::BroadcastEvent
void BroadcastEvent(lldb::EventSP &event_sp)
Broadcast an event which has no associated data.
Definition: Broadcaster.h:262
lldb_private::ThreadSpec::GetIndex
uint32_t GetIndex() const
Definition: ThreadSpec.h:55
lldb_private::Status
Definition: Status.h:44
lldb_private::Breakpoint::ClearCallback
void ClearCallback()
Definition: Breakpoint.cpp:431
lldb_private::Target::eBroadcastBitBreakpointChanged
@ eBroadcastBitBreakpointChanged
Definition: Target.h:484
lldb_private::ThreadSpec::GetQueueName
const char * GetQueueName() const
Definition: ThreadSpec.cpp:72
lldb_private::Breakpoint::ModuleReplaced
void ModuleReplaced(lldb::ModuleSP old_module_sp, lldb::ModuleSP new_module_sp)
Tells the breakpoint the old module old_module_sp has been replaced by new_module_sp (usually because...
Definition: Breakpoint.cpp:648
uint32_t
lldb_private::BreakpointLocation::GetDescription
void GetDescription(Stream *s, lldb::DescriptionLevel level)
Print a description of this breakpoint location to the stream s.
Definition: BreakpointLocation.cpp:486
lldb_private::BreakpointLocationList::BreakpointLocations
BreakpointLocationIterable BreakpointLocations()
Definition: BreakpointLocationList.h:208
lldb_private::Stream::IndentMore
void IndentMore(unsigned amount=2)
Increment the current indentation level.
Definition: Stream.cpp:168
lldb_private::Address
Definition: Address.h:59
lldb_private::ThreadSpec::SetName
void SetName(llvm::StringRef name)
Definition: ThreadSpec.h:49
lldb_private::Stream::EOL
size_t EOL()
Output and End of Line character to the stream.
Definition: Stream.cpp:128
lldb_private::StructuredData::Object::GetAsDictionary
Dictionary * GetAsDictionary()
Definition: StructuredData.h:91
lldb_private::Breakpoint::AddLocation
lldb::BreakpointLocationSP AddLocation(const Address &addr, bool *new_location=nullptr)
Add a location to the breakpoint's location list.
Definition: Breakpoint.cpp:261
lldb_private::BreakpointOptions::SetOneShot
void SetOneShot(bool one_shot)
If enable is true, enable the breakpoint, if false disable it.
Definition: BreakpointOptions.h:291
lldb_private::SearchFilter::CreateFromStructuredData
static lldb::SearchFilterSP CreateFromStructuredData(const lldb::TargetSP &target_sp, const StructuredData::Dictionary &data_dict, Status &error)
Definition: SearchFilter.cpp:77
lldb_private::Breakpoint::BreakpointEventData::GetBreakpointLocationAtIndexFromEvent
static lldb::BreakpointLocationSP GetBreakpointLocationAtIndexFromEvent(const lldb::EventSP &event_sp, uint32_t loc_idx)
Definition: Breakpoint.cpp:1112
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::ModuleList::AppendIfNeeded
bool AppendIfNeeded(const lldb::ModuleSP &new_module, bool notify=true)
Append a module to the module list, if it is not already there.
lldb_private::StatsDuration::get
Duration get() const
Definition: Statistics.h:31
SymbolContextsMightBeEquivalent
static bool SymbolContextsMightBeEquivalent(SymbolContext &old_sc, SymbolContext &new_sc)
Definition: Breakpoint.cpp:610
lldb_private::SymbolContext::module_sp
lldb::ModuleSP module_sp
The Module for a given query.
Definition: SymbolContext.h:318
lldb_private::BreakpointLocationList::RemoveInvalidLocations
void RemoveInvalidLocations(const ArchSpec &arch)
Definition: BreakpointLocationList.cpp:260
lldb_private::Breakpoint::AddName
bool AddName(llvm::StringRef new_name)
Definition: Breakpoint.cpp:844
lldb_private::BreakpointLocationCollection::Add
void Add(const lldb::BreakpointLocationSP &bp_loc_sp)
Add the breakpoint bp_loc_sp to the list.
Definition: BreakpointLocationCollection.cpp:25
lldb_private::Breakpoint::Dump
void Dump(Stream *s) override
Standard "Dump" method. At present it does nothing.
Definition: Breakpoint.cpp:830
lldb_private::Breakpoint::ResolveBreakpointInModules
void ResolveBreakpointInModules(ModuleList &module_list, bool send_event=true)
Tell this breakpoint to scan a given module list and resolve any new locations that match the breakpo...
Definition: Breakpoint.cpp:459
lldb_private::BreakpointOptions::IsOneShot
bool IsOneShot() const
Check the One-shot state.
Definition: BreakpointOptions.h:288
lldb_private::Breakpoint::m_resolve_time
StatsDuration m_resolve_time
Definition: Breakpoint.h:667
BreakpointLocationCollection.h
Function.h
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_private::BreakpointLocationList::GetNumResolvedLocations
size_t GetNumResolvedLocations() const
Returns the number of breakpoint locations in this list with resolved breakpoints.
Definition: BreakpointLocationList.cpp:179
lldb_private::Breakpoint::SerializedBreakpointMatchesNames
static bool SerializedBreakpointMatchesNames(StructuredData::ObjectSP &bkpt_object_sp, std::vector< std::string > &names)
Definition: Breakpoint.cpp:223
lldb_private::Breakpoint::ResolveBreakpoint
void ResolveBreakpoint()
Tell this breakpoint to scan it's target's module list and resolve any new locations that match the b...
Definition: Breakpoint.cpp:442
lldb_private::BreakpointOptions::GetIgnoreCount
uint32_t GetIgnoreCount() const
Return the current Ignore Count.
Definition: BreakpointOptions.h:307
SymbolContext.h
lldb_private
A class that represents a running process on the host machine.
Definition: SBCommandInterpreterRunOptions.h:16
lldb::eDescriptionLevelVerbose
@ eDescriptionLevelVerbose
Definition: lldb-enumerations.h:210
lldb_private::Breakpoint::BreakpointEventData::m_locations
BreakpointLocationCollection m_locations
Definition: Breakpoint.h:144
lldb_private::Breakpoint::FindLocationByAddress
lldb::BreakpointLocationSP FindLocationByAddress(const Address &addr)
Find a breakpoint location by Address.
Definition: Breakpoint.cpp:267
lldb_private::BreakpointLocationCollection::GetSize
size_t GetSize() const
Returns the number of elements in this breakpoint location list.
Definition: BreakpointLocationCollection.h:104
lldb_private::StructuredData::Dictionary::GetValueForKeyAsDictionary
bool GetValueForKeyAsDictionary(llvm::StringRef key, Dictionary *&result) const
Definition: StructuredData.h:477
Breakpoint.h
lldb_private::BreakpointOptions::IsAutoContinue
bool IsAutoContinue() const
Check the auto-continue state.
Definition: BreakpointOptions.h:277
lldb_private::Breakpoint::BreakpointEventData::GetBreakpointFromEvent
static lldb::BreakpointSP GetBreakpointFromEvent(const lldb::EventSP &event_sp)
Definition: Breakpoint.cpp:1091
lldb_private::Breakpoint::m_hit_counter
StoppointHitCounter m_hit_counter
Number of times this breakpoint has been hit.
Definition: Breakpoint.h:663
lldb_private::BreakpointLocationList::ClearAllBreakpointSites
void ClearAllBreakpointSites()
Removes all the locations in this list from their breakpoint site owners list.
Definition: BreakpointLocationList.cpp:153
lldb_private::Breakpoint::GetTarget
Target & GetTarget()
Accessor for the breakpoint Target.
Definition: Breakpoint.h:458
lldb_private::Breakpoint::GetNumLocations
size_t GetNumLocations() const
Return the number of breakpoint locations.
Definition: Breakpoint.cpp:842
lldb_private::ThreadSpec::GetTID
lldb::tid_t GetTID() const
Definition: ThreadSpec.h:57
LLDB_INVALID_THREAD_ID
#define LLDB_INVALID_THREAD_ID
Definition: lldb-defines.h:82
lldb_private::StructuredData::Array::GetItemAtIndexAsString
bool GetItemAtIndexAsString(size_t idx, llvm::StringRef &result) const
Definition: StructuredData.h:216
Stream.h
lldb_private::Log
Definition: Log.h:115
lldb_private::StructuredData::ArraySP
std::shared_ptr< Array > ArraySP
Definition: StructuredData.h:62
lldb_private::Stream::PutCString
size_t PutCString(llvm::StringRef cstr)
Output a C string to the stream.
Definition: Stream.cpp:63
lldb_private::StructuredData::Dictionary::GetValueForKeyAsArray
bool GetValueForKeyAsArray(llvm::StringRef key, Array *&result) const
Definition: StructuredData.h:488
lldb_private::Breakpoint::GetTargetSP
const lldb::TargetSP GetTargetSP()
Definition: Breakpoint.cpp:255
lldb_private::Breakpoint::DecrementIgnoreCount
void DecrementIgnoreCount()
Definition: Breakpoint.cpp:319
lldb_private::StructuredData::Array::GetSize
size_t GetSize() const
Definition: StructuredData.h:180
lldb_private::Breakpoint::BreakpointEventData::BreakpointEventData
BreakpointEventData(lldb::BreakpointEventType sub_type, const lldb::BreakpointSP &new_breakpoint_sp)
lldb_private::GetLog
Log * GetLog(Cat mask)
Retrieve the Log object for the channel associated with the given log enum.
Definition: Log.h:308
lldb_private::Breakpoint::GetSerializationKey
static const char * GetSerializationKey()
Definition: Breakpoint.h:161
lldb_private::BreakpointResolver::GetSerializationKey
static const char * GetSerializationKey()
Definition: BreakpointResolver.h:114
lldb_private::StructuredData::Dictionary::GetValueForKeyAsBoolean
bool GetValueForKeyAsBoolean(llvm::StringRef key, bool &result) const
Definition: StructuredData.h:400
lldb
Definition: SBAddress.h:15
lldb_private::BreakpointOptions::ClearCallback
void ClearCallback()
Remove the callback from this option set.
Definition: BreakpointOptions.cpp:423
lldb_private::Breakpoint::IsEnabled
bool IsEnabled() override
Check the Enable/Disable state.
Definition: Breakpoint.cpp:309
lldb_private::Breakpoint::CreateFromStructuredData
static lldb::BreakpointSP CreateFromStructuredData(lldb::TargetSP target_sp, StructuredData::ObjectSP &data_object_sp, Status &error)
Definition: Breakpoint.cpp:130
BreakpointResolverFileLine.h
lldb_private::FileSpec::GetFilename
ConstString & GetFilename()
Filename string get accessor.
Definition: FileSpec.cpp:340
LLDBLog.h
lldb_private::Breakpoint::OptionNames::Names
@ Names
lldb_private::Breakpoint::FindLocationByID
lldb::BreakpointLocationSP FindLocationByID(lldb::break_id_t bp_loc_id)
Find a breakpoint location for a given breakpoint location ID.
Definition: Breakpoint.cpp:275
lldb_private::BreakpointLocationList::GetByIndex
lldb::BreakpointLocationSP GetByIndex(size_t i)
Returns a shared pointer to the breakpoint location with index i.
Definition: BreakpointLocationList.cpp:135
lldb_private::BreakpointLocationList::FindByAddress
const lldb::BreakpointLocationSP FindByAddress(const Address &addr) const
Returns a shared pointer to the breakpoint location at address addr - const version.
Definition: BreakpointLocationList.cpp:96
lldb_private::ModuleList::Append
void Append(const lldb::ModuleSP &module_sp, bool notify=true)
Append a module to the module list.
lldb::eDescriptionLevelInitial
@ eDescriptionLevelInitial
Definition: lldb-enumerations.h:211
lldb::eDescriptionLevelBrief
@ eDescriptionLevelBrief
Definition: lldb-enumerations.h:208
lldb_private::Breakpoint::IsAutoContinue
bool IsAutoContinue() const
Check the AutoContinue state.
Definition: Breakpoint.cpp:335
lldb::DescriptionLevel
DescriptionLevel
Description levels for "void GetDescription(Stream *, DescriptionLevel)" calls.
Definition: lldb-enumerations.h:207
lldb_private::SourceLocationSpec::GetLine
llvm::Optional< uint32_t > GetLine() const
Definition: SourceLocationSpec.cpp:69
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_private::Breakpoint::GetHitCount
uint32_t GetHitCount() const
Return the current hit count for all locations.
Definition: Breakpoint.cpp:329
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::Breakpoint::SetThreadName
void SetThreadName(const char *thread_name)
Definition: Breakpoint.cpp:371