File: | tools/lldb/source/Breakpoint/Breakpoint.cpp |
Warning: | line 195, column 3 Value stored to 'success' is never read |
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1 | //===-- Breakpoint.cpp ------------------------------------------*- C++ -*-===// |
2 | // |
3 | // The LLVM Compiler Infrastructure |
4 | // |
5 | // This file is distributed under the University of Illinois Open Source |
6 | // License. See LICENSE.TXT for details. |
7 | // |
8 | //===----------------------------------------------------------------------===// |
9 | |
10 | // C Includes |
11 | // C++ Includes |
12 | // Other libraries and framework includes |
13 | #include "llvm/Support/Casting.h" |
14 | |
15 | // Project includes |
16 | #include "lldb/Breakpoint/Breakpoint.h" |
17 | #include "lldb/Breakpoint/BreakpointLocation.h" |
18 | #include "lldb/Breakpoint/BreakpointLocationCollection.h" |
19 | #include "lldb/Breakpoint/BreakpointResolver.h" |
20 | #include "lldb/Breakpoint/BreakpointResolverFileLine.h" |
21 | #include "lldb/Core/Address.h" |
22 | #include "lldb/Core/Module.h" |
23 | #include "lldb/Core/ModuleList.h" |
24 | #include "lldb/Core/SearchFilter.h" |
25 | #include "lldb/Core/Section.h" |
26 | #include "lldb/Target/SectionLoadList.h" |
27 | #include "lldb/Symbol/CompileUnit.h" |
28 | #include "lldb/Symbol/Function.h" |
29 | #include "lldb/Symbol/Symbol.h" |
30 | #include "lldb/Symbol/SymbolContext.h" |
31 | #include "lldb/Target/Target.h" |
32 | #include "lldb/Target/ThreadSpec.h" |
33 | #include "lldb/Utility/Log.h" |
34 | #include "lldb/Utility/Stream.h" |
35 | #include "lldb/Utility/StreamString.h" |
36 | |
37 | using namespace lldb; |
38 | using namespace lldb_private; |
39 | using namespace llvm; |
40 | |
41 | const ConstString &Breakpoint::GetEventIdentifier() { |
42 | static ConstString g_identifier("event-identifier.breakpoint.changed"); |
43 | return g_identifier; |
44 | } |
45 | |
46 | const char *Breakpoint::g_option_names[static_cast<uint32_t>( |
47 | Breakpoint::OptionNames::LastOptionName)]{"Names", "Hardware"}; |
48 | |
49 | //---------------------------------------------------------------------- |
50 | // Breakpoint constructor |
51 | //---------------------------------------------------------------------- |
52 | Breakpoint::Breakpoint(Target &target, SearchFilterSP &filter_sp, |
53 | BreakpointResolverSP &resolver_sp, bool hardware, |
54 | bool resolve_indirect_symbols) |
55 | : m_being_created(true), m_hardware(hardware), m_target(target), |
56 | m_filter_sp(filter_sp), m_resolver_sp(resolver_sp), |
57 | m_options_up(new BreakpointOptions(true)), m_locations(*this), |
58 | m_resolve_indirect_symbols(resolve_indirect_symbols), m_hit_count(0) { |
59 | m_being_created = false; |
60 | } |
61 | |
62 | Breakpoint::Breakpoint(Target &new_target, Breakpoint &source_bp) |
63 | : m_being_created(true), m_hardware(source_bp.m_hardware), |
64 | m_target(new_target), m_name_list(source_bp.m_name_list), |
65 | m_options_up(new BreakpointOptions(*source_bp.m_options_up.get())), |
66 | m_locations(*this), |
67 | m_resolve_indirect_symbols(source_bp.m_resolve_indirect_symbols), |
68 | m_hit_count(0) { |
69 | // Now go through and copy the filter & resolver: |
70 | m_resolver_sp = source_bp.m_resolver_sp->CopyForBreakpoint(*this); |
71 | m_filter_sp = source_bp.m_filter_sp->CopyForBreakpoint(*this); |
72 | } |
73 | |
74 | //---------------------------------------------------------------------- |
75 | // Destructor |
76 | //---------------------------------------------------------------------- |
77 | Breakpoint::~Breakpoint() = default; |
78 | |
79 | //---------------------------------------------------------------------- |
80 | // Serialization |
81 | //---------------------------------------------------------------------- |
82 | StructuredData::ObjectSP Breakpoint::SerializeToStructuredData() { |
83 | // Serialize the resolver: |
84 | StructuredData::DictionarySP breakpoint_dict_sp( |
85 | new StructuredData::Dictionary()); |
86 | StructuredData::DictionarySP breakpoint_contents_sp( |
87 | new StructuredData::Dictionary()); |
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( |
93 | StructuredData::StringSP(new StructuredData::String(name))); |
94 | } |
95 | breakpoint_contents_sp->AddItem(Breakpoint::GetKey(OptionNames::Names), |
96 | names_array_sp); |
97 | } |
98 | |
99 | breakpoint_contents_sp->AddBooleanItem( |
100 | Breakpoint::GetKey(OptionNames::Hardware), m_hardware); |
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( |
119 | m_options_up->SerializeToStructuredData()); |
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 | |
130 | lldb::BreakpointSP Breakpoint::CreateFromStructuredData( |
131 | Target &target, StructuredData::ObjectSP &object_data, Status &error) { |
132 | BreakpointSP result_sp; |
133 | |
134 | StructuredData::Dictionary *breakpoint_dict = object_data->GetAsDictionary(); |
135 | |
136 | if (!breakpoint_dict || !breakpoint_dict->IsValid()) { |
137 | error.SetErrorString("Can't deserialize from an invalid data object."); |
138 | return result_sp; |
139 | } |
140 | |
141 | StructuredData::Dictionary *resolver_dict; |
142 | bool success = breakpoint_dict->GetValueForKeyAsDictionary( |
143 | BreakpointResolver::GetSerializationKey(), resolver_dict); |
144 | if (!success) { |
145 | error.SetErrorStringWithFormat( |
146 | "Breakpoint data missing toplevel resolver key"); |
147 | return result_sp; |
148 | } |
149 | |
150 | Status create_error; |
151 | BreakpointResolverSP resolver_sp = |
152 | BreakpointResolver::CreateFromStructuredData(*resolver_dict, |
153 | create_error); |
154 | if (create_error.Fail()) { |
155 | error.SetErrorStringWithFormat( |
156 | "Error creating breakpoint resolver from data: %s.", |
157 | create_error.AsCString()); |
158 | return result_sp; |
159 | } |
160 | |
161 | StructuredData::Dictionary *filter_dict; |
162 | success = breakpoint_dict->GetValueForKeyAsDictionary( |
163 | SearchFilter::GetSerializationKey(), filter_dict); |
164 | SearchFilterSP filter_sp; |
165 | if (!success) |
166 | filter_sp.reset( |
167 | new SearchFilterForUnconstrainedSearches(target.shared_from_this())); |
168 | else { |
169 | filter_sp = SearchFilter::CreateFromStructuredData(target, *filter_dict, |
170 | create_error); |
171 | if (create_error.Fail()) { |
172 | error.SetErrorStringWithFormat( |
173 | "Error creating breakpoint filter from data: %s.", |
174 | create_error.AsCString()); |
175 | return result_sp; |
176 | } |
177 | } |
178 | |
179 | std::unique_ptr<BreakpointOptions> options_up; |
180 | StructuredData::Dictionary *options_dict; |
181 | success = breakpoint_dict->GetValueForKeyAsDictionary( |
182 | BreakpointOptions::GetSerializationKey(), options_dict); |
183 | if (success) { |
184 | options_up = BreakpointOptions::CreateFromStructuredData( |
185 | target, *options_dict, create_error); |
186 | if (create_error.Fail()) { |
187 | error.SetErrorStringWithFormat( |
188 | "Error creating breakpoint options from data: %s.", |
189 | create_error.AsCString()); |
190 | return result_sp; |
191 | } |
192 | } |
193 | |
194 | bool hardware = false; |
195 | success = breakpoint_dict->GetValueForKeyAsBoolean( |
Value stored to 'success' is never read | |
196 | Breakpoint::GetKey(OptionNames::Hardware), hardware); |
197 | |
198 | result_sp = |
199 | target.CreateBreakpoint(filter_sp, resolver_sp, false, hardware, true); |
200 | |
201 | if (result_sp && options_up) { |
202 | result_sp->m_options_up = std::move(options_up); |
203 | } |
204 | |
205 | StructuredData::Array *names_array; |
206 | success = breakpoint_dict->GetValueForKeyAsArray( |
207 | Breakpoint::GetKey(OptionNames::Names), names_array); |
208 | if (success && names_array) { |
209 | size_t num_names = names_array->GetSize(); |
210 | for (size_t i = 0; i < num_names; i++) { |
211 | llvm::StringRef name; |
212 | Status error; |
213 | success = names_array->GetItemAtIndexAsString(i, name); |
214 | target.AddNameToBreakpoint(result_sp, name.str().c_str(), error); |
215 | } |
216 | } |
217 | |
218 | return result_sp; |
219 | } |
220 | |
221 | bool Breakpoint::SerializedBreakpointMatchesNames( |
222 | StructuredData::ObjectSP &bkpt_object_sp, std::vector<std::string> &names) { |
223 | if (!bkpt_object_sp) |
224 | return false; |
225 | |
226 | StructuredData::Dictionary *bkpt_dict = bkpt_object_sp->GetAsDictionary(); |
227 | if (!bkpt_dict) |
228 | return false; |
229 | |
230 | if (names.empty()) |
231 | return true; |
232 | |
233 | StructuredData::Array *names_array; |
234 | |
235 | bool success = |
236 | bkpt_dict->GetValueForKeyAsArray(GetKey(OptionNames::Names), names_array); |
237 | // If there are no names, it can't match these names; |
238 | if (!success) |
239 | return false; |
240 | |
241 | size_t num_names = names_array->GetSize(); |
242 | std::vector<std::string>::iterator begin = names.begin(); |
243 | std::vector<std::string>::iterator end = names.end(); |
244 | |
245 | for (size_t i = 0; i < num_names; i++) { |
246 | llvm::StringRef name; |
247 | if (names_array->GetItemAtIndexAsString(i, name)) { |
248 | if (std::find(begin, end, name) != end) { |
249 | return true; |
250 | } |
251 | } |
252 | } |
253 | return false; |
254 | } |
255 | |
256 | const lldb::TargetSP Breakpoint::GetTargetSP() { |
257 | return m_target.shared_from_this(); |
258 | } |
259 | |
260 | bool Breakpoint::IsInternal() const { return LLDB_BREAK_ID_IS_INTERNAL(m_bid)((m_bid) < 0); } |
261 | |
262 | BreakpointLocationSP Breakpoint::AddLocation(const Address &addr, |
263 | bool *new_location) { |
264 | return m_locations.AddLocation(addr, m_resolve_indirect_symbols, |
265 | new_location); |
266 | } |
267 | |
268 | BreakpointLocationSP Breakpoint::FindLocationByAddress(const Address &addr) { |
269 | return m_locations.FindByAddress(addr); |
270 | } |
271 | |
272 | break_id_t Breakpoint::FindLocationIDByAddress(const Address &addr) { |
273 | return m_locations.FindIDByAddress(addr); |
274 | } |
275 | |
276 | BreakpointLocationSP Breakpoint::FindLocationByID(break_id_t bp_loc_id) { |
277 | return m_locations.FindByID(bp_loc_id); |
278 | } |
279 | |
280 | BreakpointLocationSP Breakpoint::GetLocationAtIndex(size_t index) { |
281 | return m_locations.GetByIndex(index); |
282 | } |
283 | |
284 | void Breakpoint::RemoveInvalidLocations(const ArchSpec &arch) { |
285 | m_locations.RemoveInvalidLocations(arch); |
286 | } |
287 | |
288 | // For each of the overall options we need to decide how they propagate to the |
289 | // location options. This will determine the precedence of options on the |
290 | // breakpoint vs. its locations. |
291 | |
292 | // Disable at the breakpoint level should override the location settings. That |
293 | // way you can conveniently turn off a whole breakpoint without messing up the |
294 | // individual settings. |
295 | |
296 | void Breakpoint::SetEnabled(bool enable) { |
297 | if (enable == m_options_up->IsEnabled()) |
298 | return; |
299 | |
300 | m_options_up->SetEnabled(enable); |
301 | if (enable) |
302 | m_locations.ResolveAllBreakpointSites(); |
303 | else |
304 | m_locations.ClearAllBreakpointSites(); |
305 | |
306 | SendBreakpointChangedEvent(enable ? eBreakpointEventTypeEnabled |
307 | : eBreakpointEventTypeDisabled); |
308 | } |
309 | |
310 | bool Breakpoint::IsEnabled() { return m_options_up->IsEnabled(); } |
311 | |
312 | void Breakpoint::SetIgnoreCount(uint32_t n) { |
313 | if (m_options_up->GetIgnoreCount() == n) |
314 | return; |
315 | |
316 | m_options_up->SetIgnoreCount(n); |
317 | SendBreakpointChangedEvent(eBreakpointEventTypeIgnoreChanged); |
318 | } |
319 | |
320 | void Breakpoint::DecrementIgnoreCount() { |
321 | uint32_t ignore = m_options_up->GetIgnoreCount(); |
322 | if (ignore != 0) |
323 | m_options_up->SetIgnoreCount(ignore - 1); |
324 | } |
325 | |
326 | uint32_t Breakpoint::GetIgnoreCount() const { |
327 | return m_options_up->GetIgnoreCount(); |
328 | } |
329 | |
330 | bool Breakpoint::IgnoreCountShouldStop() { |
331 | uint32_t ignore = GetIgnoreCount(); |
332 | if (ignore != 0) { |
333 | // When we get here we know the location that caused the stop doesn't have |
334 | // an ignore count, since by contract we call it first... So we don't have |
335 | // to find & decrement it, we only have to decrement our own ignore count. |
336 | DecrementIgnoreCount(); |
337 | return false; |
338 | } else |
339 | return true; |
340 | } |
341 | |
342 | uint32_t Breakpoint::GetHitCount() const { return m_hit_count; } |
343 | |
344 | bool Breakpoint::IsOneShot() const { return m_options_up->IsOneShot(); } |
345 | |
346 | void Breakpoint::SetOneShot(bool one_shot) { |
347 | m_options_up->SetOneShot(one_shot); |
348 | } |
349 | |
350 | bool Breakpoint::IsAutoContinue() const { |
351 | return m_options_up->IsAutoContinue(); |
352 | } |
353 | |
354 | void Breakpoint::SetAutoContinue(bool auto_continue) { |
355 | m_options_up->SetAutoContinue(auto_continue); |
356 | } |
357 | |
358 | void Breakpoint::SetThreadID(lldb::tid_t thread_id) { |
359 | if (m_options_up->GetThreadSpec()->GetTID() == thread_id) |
360 | return; |
361 | |
362 | m_options_up->GetThreadSpec()->SetTID(thread_id); |
363 | SendBreakpointChangedEvent(eBreakpointEventTypeThreadChanged); |
364 | } |
365 | |
366 | lldb::tid_t Breakpoint::GetThreadID() const { |
367 | if (m_options_up->GetThreadSpecNoCreate() == nullptr) |
368 | return LLDB_INVALID_THREAD_ID0; |
369 | else |
370 | return m_options_up->GetThreadSpecNoCreate()->GetTID(); |
371 | } |
372 | |
373 | void Breakpoint::SetThreadIndex(uint32_t index) { |
374 | if (m_options_up->GetThreadSpec()->GetIndex() == index) |
375 | return; |
376 | |
377 | m_options_up->GetThreadSpec()->SetIndex(index); |
378 | SendBreakpointChangedEvent(eBreakpointEventTypeThreadChanged); |
379 | } |
380 | |
381 | uint32_t Breakpoint::GetThreadIndex() const { |
382 | if (m_options_up->GetThreadSpecNoCreate() == nullptr) |
383 | return 0; |
384 | else |
385 | return m_options_up->GetThreadSpecNoCreate()->GetIndex(); |
386 | } |
387 | |
388 | void Breakpoint::SetThreadName(const char *thread_name) { |
389 | if (m_options_up->GetThreadSpec()->GetName() != nullptr && |
390 | ::strcmp(m_options_up->GetThreadSpec()->GetName(), thread_name) == 0) |
391 | return; |
392 | |
393 | m_options_up->GetThreadSpec()->SetName(thread_name); |
394 | SendBreakpointChangedEvent(eBreakpointEventTypeThreadChanged); |
395 | } |
396 | |
397 | const char *Breakpoint::GetThreadName() const { |
398 | if (m_options_up->GetThreadSpecNoCreate() == nullptr) |
399 | return nullptr; |
400 | else |
401 | return m_options_up->GetThreadSpecNoCreate()->GetName(); |
402 | } |
403 | |
404 | void Breakpoint::SetQueueName(const char *queue_name) { |
405 | if (m_options_up->GetThreadSpec()->GetQueueName() != nullptr && |
406 | ::strcmp(m_options_up->GetThreadSpec()->GetQueueName(), queue_name) == 0) |
407 | return; |
408 | |
409 | m_options_up->GetThreadSpec()->SetQueueName(queue_name); |
410 | SendBreakpointChangedEvent(eBreakpointEventTypeThreadChanged); |
411 | } |
412 | |
413 | const char *Breakpoint::GetQueueName() const { |
414 | if (m_options_up->GetThreadSpecNoCreate() == nullptr) |
415 | return nullptr; |
416 | else |
417 | return m_options_up->GetThreadSpecNoCreate()->GetQueueName(); |
418 | } |
419 | |
420 | void Breakpoint::SetCondition(const char *condition) { |
421 | m_options_up->SetCondition(condition); |
422 | SendBreakpointChangedEvent(eBreakpointEventTypeConditionChanged); |
423 | } |
424 | |
425 | const char *Breakpoint::GetConditionText() const { |
426 | return m_options_up->GetConditionText(); |
427 | } |
428 | |
429 | // This function is used when "baton" doesn't need to be freed |
430 | void Breakpoint::SetCallback(BreakpointHitCallback callback, void *baton, |
431 | bool is_synchronous) { |
432 | // The default "Baton" class will keep a copy of "baton" and won't free or |
433 | // delete it when it goes goes out of scope. |
434 | m_options_up->SetCallback(callback, std::make_shared<UntypedBaton>(baton), |
435 | is_synchronous); |
436 | |
437 | SendBreakpointChangedEvent(eBreakpointEventTypeCommandChanged); |
438 | } |
439 | |
440 | // This function is used when a baton needs to be freed and therefore is |
441 | // contained in a "Baton" subclass. |
442 | void Breakpoint::SetCallback(BreakpointHitCallback callback, |
443 | const BatonSP &callback_baton_sp, |
444 | bool is_synchronous) { |
445 | m_options_up->SetCallback(callback, callback_baton_sp, is_synchronous); |
446 | } |
447 | |
448 | void Breakpoint::ClearCallback() { m_options_up->ClearCallback(); } |
449 | |
450 | bool Breakpoint::InvokeCallback(StoppointCallbackContext *context, |
451 | break_id_t bp_loc_id) { |
452 | return m_options_up->InvokeCallback(context, GetID(), bp_loc_id); |
453 | } |
454 | |
455 | BreakpointOptions *Breakpoint::GetOptions() { return m_options_up.get(); } |
456 | |
457 | const BreakpointOptions *Breakpoint::GetOptions() const { |
458 | return m_options_up.get(); |
459 | } |
460 | |
461 | void Breakpoint::ResolveBreakpoint() { |
462 | if (m_resolver_sp) |
463 | m_resolver_sp->ResolveBreakpoint(*m_filter_sp); |
464 | } |
465 | |
466 | void Breakpoint::ResolveBreakpointInModules( |
467 | ModuleList &module_list, BreakpointLocationCollection &new_locations) { |
468 | m_locations.StartRecordingNewLocations(new_locations); |
469 | |
470 | m_resolver_sp->ResolveBreakpointInModules(*m_filter_sp, module_list); |
471 | |
472 | m_locations.StopRecordingNewLocations(); |
473 | } |
474 | |
475 | void Breakpoint::ResolveBreakpointInModules(ModuleList &module_list, |
476 | bool send_event) { |
477 | if (m_resolver_sp) { |
478 | // If this is not an internal breakpoint, set up to record the new |
479 | // locations, then dispatch an event with the new locations. |
480 | if (!IsInternal() && send_event) { |
481 | BreakpointEventData *new_locations_event = new BreakpointEventData( |
482 | eBreakpointEventTypeLocationsAdded, shared_from_this()); |
483 | |
484 | ResolveBreakpointInModules( |
485 | module_list, new_locations_event->GetBreakpointLocationCollection()); |
486 | |
487 | if (new_locations_event->GetBreakpointLocationCollection().GetSize() != |
488 | 0) { |
489 | SendBreakpointChangedEvent(new_locations_event); |
490 | } else |
491 | delete new_locations_event; |
492 | } else { |
493 | m_resolver_sp->ResolveBreakpointInModules(*m_filter_sp, module_list); |
494 | } |
495 | } |
496 | } |
497 | |
498 | void Breakpoint::ClearAllBreakpointSites() { |
499 | m_locations.ClearAllBreakpointSites(); |
500 | } |
501 | |
502 | //---------------------------------------------------------------------- |
503 | // ModulesChanged: Pass in a list of new modules, and |
504 | //---------------------------------------------------------------------- |
505 | |
506 | void Breakpoint::ModulesChanged(ModuleList &module_list, bool load, |
507 | bool delete_locations) { |
508 | Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_BREAKPOINTS(1u << 5))); |
509 | if (log) |
510 | log->Printf("Breakpoint::ModulesChanged: num_modules: %zu load: %i " |
511 | "delete_locations: %i\n", |
512 | module_list.GetSize(), load, delete_locations); |
513 | |
514 | std::lock_guard<std::recursive_mutex> guard(module_list.GetMutex()); |
515 | if (load) { |
516 | // The logic for handling new modules is: |
517 | // 1) If the filter rejects this module, then skip it. 2) Run through the |
518 | // current location list and if there are any locations |
519 | // for that module, we mark the module as "seen" and we don't try to |
520 | // re-resolve |
521 | // breakpoint locations for that module. |
522 | // However, we do add breakpoint sites to these locations if needed. |
523 | // 3) If we don't see this module in our breakpoint location list, call |
524 | // ResolveInModules. |
525 | |
526 | ModuleList new_modules; // We'll stuff the "unseen" modules in this list, |
527 | // and then resolve |
528 | // them after the locations pass. Have to do it this way because resolving |
529 | // breakpoints will add new locations potentially. |
530 | |
531 | for (ModuleSP module_sp : module_list.ModulesNoLocking()) { |
532 | bool seen = false; |
533 | if (!m_filter_sp->ModulePasses(module_sp)) |
534 | continue; |
535 | |
536 | BreakpointLocationCollection locations_with_no_section; |
537 | for (BreakpointLocationSP break_loc_sp : |
538 | m_locations.BreakpointLocations()) { |
539 | |
540 | // If the section for this location was deleted, that means it's Module |
541 | // has gone away but somebody forgot to tell us. Let's clean it up |
542 | // here. |
543 | Address section_addr(break_loc_sp->GetAddress()); |
544 | if (section_addr.SectionWasDeleted()) { |
545 | locations_with_no_section.Add(break_loc_sp); |
546 | continue; |
547 | } |
548 | |
549 | if (!break_loc_sp->IsEnabled()) |
550 | continue; |
551 | |
552 | SectionSP section_sp(section_addr.GetSection()); |
553 | |
554 | // If we don't have a Section, that means this location is a raw |
555 | // address that we haven't resolved to a section yet. So we'll have to |
556 | // look in all the new modules to resolve this location. Otherwise, if |
557 | // it was set in this module, re-resolve it here. |
558 | if (section_sp && section_sp->GetModule() == module_sp) { |
559 | if (!seen) |
560 | seen = true; |
561 | |
562 | if (!break_loc_sp->ResolveBreakpointSite()) { |
563 | if (log) |
564 | log->Printf("Warning: could not set breakpoint site for " |
565 | "breakpoint location %d of breakpoint %d.\n", |
566 | break_loc_sp->GetID(), GetID()); |
567 | } |
568 | } |
569 | } |
570 | |
571 | size_t num_to_delete = locations_with_no_section.GetSize(); |
572 | |
573 | for (size_t i = 0; i < num_to_delete; i++) |
574 | m_locations.RemoveLocation(locations_with_no_section.GetByIndex(i)); |
575 | |
576 | if (!seen) |
577 | new_modules.AppendIfNeeded(module_sp); |
578 | } |
579 | |
580 | if (new_modules.GetSize() > 0) { |
581 | ResolveBreakpointInModules(new_modules); |
582 | } |
583 | } else { |
584 | // Go through the currently set locations and if any have breakpoints in |
585 | // the module list, then remove their breakpoint sites, and their locations |
586 | // if asked to. |
587 | |
588 | BreakpointEventData *removed_locations_event; |
589 | if (!IsInternal()) |
590 | removed_locations_event = new BreakpointEventData( |
591 | eBreakpointEventTypeLocationsRemoved, shared_from_this()); |
592 | else |
593 | removed_locations_event = nullptr; |
594 | |
595 | size_t num_modules = module_list.GetSize(); |
596 | for (size_t i = 0; i < num_modules; i++) { |
597 | ModuleSP module_sp(module_list.GetModuleAtIndexUnlocked(i)); |
598 | if (m_filter_sp->ModulePasses(module_sp)) { |
599 | size_t loc_idx = 0; |
600 | size_t num_locations = m_locations.GetSize(); |
601 | BreakpointLocationCollection locations_to_remove; |
602 | for (loc_idx = 0; loc_idx < num_locations; loc_idx++) { |
603 | BreakpointLocationSP break_loc_sp(m_locations.GetByIndex(loc_idx)); |
604 | SectionSP section_sp(break_loc_sp->GetAddress().GetSection()); |
605 | if (section_sp && section_sp->GetModule() == module_sp) { |
606 | // Remove this breakpoint since the shared library is unloaded, but |
607 | // keep the breakpoint location around so we always get complete |
608 | // hit count and breakpoint lifetime info |
609 | break_loc_sp->ClearBreakpointSite(); |
610 | if (removed_locations_event) { |
611 | removed_locations_event->GetBreakpointLocationCollection().Add( |
612 | break_loc_sp); |
613 | } |
614 | if (delete_locations) |
615 | locations_to_remove.Add(break_loc_sp); |
616 | } |
617 | } |
618 | |
619 | if (delete_locations) { |
620 | size_t num_locations_to_remove = locations_to_remove.GetSize(); |
621 | for (loc_idx = 0; loc_idx < num_locations_to_remove; loc_idx++) |
622 | m_locations.RemoveLocation(locations_to_remove.GetByIndex(loc_idx)); |
623 | } |
624 | } |
625 | } |
626 | SendBreakpointChangedEvent(removed_locations_event); |
627 | } |
628 | } |
629 | |
630 | namespace { |
631 | static bool SymbolContextsMightBeEquivalent(SymbolContext &old_sc, |
632 | SymbolContext &new_sc) { |
633 | bool equivalent_scs = false; |
634 | |
635 | if (old_sc.module_sp.get() == new_sc.module_sp.get()) { |
636 | // If these come from the same module, we can directly compare the |
637 | // pointers: |
638 | if (old_sc.comp_unit && new_sc.comp_unit && |
639 | (old_sc.comp_unit == new_sc.comp_unit)) { |
640 | if (old_sc.function && new_sc.function && |
641 | (old_sc.function == new_sc.function)) { |
642 | equivalent_scs = true; |
643 | } |
644 | } else if (old_sc.symbol && new_sc.symbol && |
645 | (old_sc.symbol == new_sc.symbol)) { |
646 | equivalent_scs = true; |
647 | } |
648 | } else { |
649 | // Otherwise we will compare by name... |
650 | if (old_sc.comp_unit && new_sc.comp_unit) { |
651 | if (FileSpec::Equal(*old_sc.comp_unit, *new_sc.comp_unit, true)) { |
652 | // Now check the functions: |
653 | if (old_sc.function && new_sc.function && |
654 | (old_sc.function->GetName() == new_sc.function->GetName())) { |
655 | equivalent_scs = true; |
656 | } |
657 | } |
658 | } else if (old_sc.symbol && new_sc.symbol) { |
659 | if (Mangled::Compare(old_sc.symbol->GetMangled(), |
660 | new_sc.symbol->GetMangled()) == 0) { |
661 | equivalent_scs = true; |
662 | } |
663 | } |
664 | } |
665 | return equivalent_scs; |
666 | } |
667 | } // anonymous namespace |
668 | |
669 | void Breakpoint::ModuleReplaced(ModuleSP old_module_sp, |
670 | ModuleSP new_module_sp) { |
671 | Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_BREAKPOINTS(1u << 5))); |
672 | if (log) |
673 | log->Printf("Breakpoint::ModulesReplaced for %s\n", |
674 | old_module_sp->GetSpecificationDescription().c_str()); |
675 | // First find all the locations that are in the old module |
676 | |
677 | BreakpointLocationCollection old_break_locs; |
678 | for (BreakpointLocationSP break_loc_sp : m_locations.BreakpointLocations()) { |
679 | SectionSP section_sp = break_loc_sp->GetAddress().GetSection(); |
680 | if (section_sp && section_sp->GetModule() == old_module_sp) { |
681 | old_break_locs.Add(break_loc_sp); |
682 | } |
683 | } |
684 | |
685 | size_t num_old_locations = old_break_locs.GetSize(); |
686 | |
687 | if (num_old_locations == 0) { |
688 | // There were no locations in the old module, so we just need to check if |
689 | // there were any in the new module. |
690 | ModuleList temp_list; |
691 | temp_list.Append(new_module_sp); |
692 | ResolveBreakpointInModules(temp_list); |
693 | } else { |
694 | // First search the new module for locations. Then compare this with the |
695 | // old list, copy over locations that "look the same" Then delete the old |
696 | // locations. Finally remember to post the creation event. |
697 | // |
698 | // Two locations are the same if they have the same comp unit & function |
699 | // (by name) and there are the same number of locations in the old function |
700 | // as in the new one. |
701 | |
702 | ModuleList temp_list; |
703 | temp_list.Append(new_module_sp); |
704 | BreakpointLocationCollection new_break_locs; |
705 | ResolveBreakpointInModules(temp_list, new_break_locs); |
706 | BreakpointLocationCollection locations_to_remove; |
707 | BreakpointLocationCollection locations_to_announce; |
708 | |
709 | size_t num_new_locations = new_break_locs.GetSize(); |
710 | |
711 | if (num_new_locations > 0) { |
712 | // Break out the case of one location -> one location since that's the |
713 | // most common one, and there's no need to build up the structures needed |
714 | // for the merge in that case. |
715 | if (num_new_locations == 1 && num_old_locations == 1) { |
716 | bool equivalent_locations = false; |
717 | SymbolContext old_sc, new_sc; |
718 | // The only way the old and new location can be equivalent is if they |
719 | // have the same amount of information: |
720 | BreakpointLocationSP old_loc_sp = old_break_locs.GetByIndex(0); |
721 | BreakpointLocationSP new_loc_sp = new_break_locs.GetByIndex(0); |
722 | |
723 | if (old_loc_sp->GetAddress().CalculateSymbolContext(&old_sc) == |
724 | new_loc_sp->GetAddress().CalculateSymbolContext(&new_sc)) { |
725 | equivalent_locations = |
726 | SymbolContextsMightBeEquivalent(old_sc, new_sc); |
727 | } |
728 | |
729 | if (equivalent_locations) { |
730 | m_locations.SwapLocation(old_loc_sp, new_loc_sp); |
731 | } else { |
732 | locations_to_remove.Add(old_loc_sp); |
733 | locations_to_announce.Add(new_loc_sp); |
734 | } |
735 | } else { |
736 | // We don't want to have to keep computing the SymbolContexts for these |
737 | // addresses over and over, so lets get them up front: |
738 | |
739 | typedef std::map<lldb::break_id_t, SymbolContext> IDToSCMap; |
740 | IDToSCMap old_sc_map; |
741 | for (size_t idx = 0; idx < num_old_locations; idx++) { |
742 | SymbolContext sc; |
743 | BreakpointLocationSP bp_loc_sp = old_break_locs.GetByIndex(idx); |
744 | lldb::break_id_t loc_id = bp_loc_sp->GetID(); |
745 | bp_loc_sp->GetAddress().CalculateSymbolContext(&old_sc_map[loc_id]); |
746 | } |
747 | |
748 | std::map<lldb::break_id_t, SymbolContext> new_sc_map; |
749 | for (size_t idx = 0; idx < num_new_locations; idx++) { |
750 | SymbolContext sc; |
751 | BreakpointLocationSP bp_loc_sp = new_break_locs.GetByIndex(idx); |
752 | lldb::break_id_t loc_id = bp_loc_sp->GetID(); |
753 | bp_loc_sp->GetAddress().CalculateSymbolContext(&new_sc_map[loc_id]); |
754 | } |
755 | // Take an element from the old Symbol Contexts |
756 | while (old_sc_map.size() > 0) { |
757 | lldb::break_id_t old_id = old_sc_map.begin()->first; |
758 | SymbolContext &old_sc = old_sc_map.begin()->second; |
759 | |
760 | // Count the number of entries equivalent to this SC for the old |
761 | // list: |
762 | std::vector<lldb::break_id_t> old_id_vec; |
763 | old_id_vec.push_back(old_id); |
764 | |
765 | IDToSCMap::iterator tmp_iter; |
766 | for (tmp_iter = ++old_sc_map.begin(); tmp_iter != old_sc_map.end(); |
767 | tmp_iter++) { |
768 | if (SymbolContextsMightBeEquivalent(old_sc, tmp_iter->second)) |
769 | old_id_vec.push_back(tmp_iter->first); |
770 | } |
771 | |
772 | // Now find all the equivalent locations in the new list. |
773 | std::vector<lldb::break_id_t> new_id_vec; |
774 | for (tmp_iter = new_sc_map.begin(); tmp_iter != new_sc_map.end(); |
775 | tmp_iter++) { |
776 | if (SymbolContextsMightBeEquivalent(old_sc, tmp_iter->second)) |
777 | new_id_vec.push_back(tmp_iter->first); |
778 | } |
779 | |
780 | // Alright, if we have the same number of potentially equivalent |
781 | // locations in the old and new modules, we'll just map them one to |
782 | // one in ascending ID order (assuming the resolver's order would |
783 | // match the equivalent ones. Otherwise, we'll dump all the old ones, |
784 | // and just take the new ones, erasing the elements from both maps as |
785 | // we go. |
786 | |
787 | if (old_id_vec.size() == new_id_vec.size()) { |
788 | llvm::sort(old_id_vec); |
789 | llvm::sort(new_id_vec); |
790 | size_t num_elements = old_id_vec.size(); |
791 | for (size_t idx = 0; idx < num_elements; idx++) { |
792 | BreakpointLocationSP old_loc_sp = |
793 | old_break_locs.FindByIDPair(GetID(), old_id_vec[idx]); |
794 | BreakpointLocationSP new_loc_sp = |
795 | new_break_locs.FindByIDPair(GetID(), new_id_vec[idx]); |
796 | m_locations.SwapLocation(old_loc_sp, new_loc_sp); |
797 | old_sc_map.erase(old_id_vec[idx]); |
798 | new_sc_map.erase(new_id_vec[idx]); |
799 | } |
800 | } else { |
801 | for (lldb::break_id_t old_id : old_id_vec) { |
802 | locations_to_remove.Add( |
803 | old_break_locs.FindByIDPair(GetID(), old_id)); |
804 | old_sc_map.erase(old_id); |
805 | } |
806 | for (lldb::break_id_t new_id : new_id_vec) { |
807 | locations_to_announce.Add( |
808 | new_break_locs.FindByIDPair(GetID(), new_id)); |
809 | new_sc_map.erase(new_id); |
810 | } |
811 | } |
812 | } |
813 | } |
814 | } |
815 | |
816 | // Now remove the remaining old locations, and cons up a removed locations |
817 | // event. Note, we don't put the new locations that were swapped with an |
818 | // old location on the locations_to_remove list, so we don't need to worry |
819 | // about telling the world about removing a location we didn't tell them |
820 | // about adding. |
821 | |
822 | BreakpointEventData *locations_event; |
823 | if (!IsInternal()) |
824 | locations_event = new BreakpointEventData( |
825 | eBreakpointEventTypeLocationsRemoved, shared_from_this()); |
826 | else |
827 | locations_event = nullptr; |
828 | |
829 | for (BreakpointLocationSP loc_sp : |
830 | locations_to_remove.BreakpointLocations()) { |
831 | m_locations.RemoveLocation(loc_sp); |
832 | if (locations_event) |
833 | locations_event->GetBreakpointLocationCollection().Add(loc_sp); |
834 | } |
835 | SendBreakpointChangedEvent(locations_event); |
836 | |
837 | // And announce the new ones. |
838 | |
839 | if (!IsInternal()) { |
840 | locations_event = new BreakpointEventData( |
841 | eBreakpointEventTypeLocationsAdded, shared_from_this()); |
842 | for (BreakpointLocationSP loc_sp : |
843 | locations_to_announce.BreakpointLocations()) |
844 | locations_event->GetBreakpointLocationCollection().Add(loc_sp); |
845 | |
846 | SendBreakpointChangedEvent(locations_event); |
847 | } |
848 | m_locations.Compact(); |
849 | } |
850 | } |
851 | |
852 | void Breakpoint::Dump(Stream *) {} |
853 | |
854 | size_t Breakpoint::GetNumResolvedLocations() const { |
855 | // Return the number of breakpoints that are actually resolved and set down |
856 | // in the inferior process. |
857 | return m_locations.GetNumResolvedLocations(); |
858 | } |
859 | |
860 | size_t Breakpoint::GetNumLocations() const { return m_locations.GetSize(); } |
861 | |
862 | bool Breakpoint::AddName(llvm::StringRef new_name) { |
863 | m_name_list.insert(new_name.str().c_str()); |
864 | return true; |
865 | } |
866 | |
867 | void Breakpoint::GetDescription(Stream *s, lldb::DescriptionLevel level, |
868 | bool show_locations) { |
869 | assert(s != nullptr)((s != nullptr) ? static_cast<void> (0) : __assert_fail ("s != nullptr", "/build/llvm-toolchain-snapshot-8~svn345461/tools/lldb/source/Breakpoint/Breakpoint.cpp" , 869, __PRETTY_FUNCTION__)); |
870 | |
871 | if (!m_kind_description.empty()) { |
872 | if (level == eDescriptionLevelBrief) { |
873 | s->PutCString(GetBreakpointKind()); |
874 | return; |
875 | } else |
876 | s->Printf("Kind: %s\n", GetBreakpointKind()); |
877 | } |
878 | |
879 | const size_t num_locations = GetNumLocations(); |
880 | const size_t num_resolved_locations = GetNumResolvedLocations(); |
881 | |
882 | // They just made the breakpoint, they don't need to be told HOW they made |
883 | // it... Also, we'll print the breakpoint number differently depending on |
884 | // whether there is 1 or more locations. |
885 | if (level != eDescriptionLevelInitial) { |
886 | s->Printf("%i: ", GetID()); |
887 | GetResolverDescription(s); |
888 | GetFilterDescription(s); |
889 | } |
890 | |
891 | switch (level) { |
892 | case lldb::eDescriptionLevelBrief: |
893 | case lldb::eDescriptionLevelFull: |
894 | if (num_locations > 0) { |
895 | s->Printf(", locations = %" PRIu64"l" "u", (uint64_t)num_locations); |
896 | if (num_resolved_locations > 0) |
897 | s->Printf(", resolved = %" PRIu64"l" "u" ", hit count = %d", |
898 | (uint64_t)num_resolved_locations, GetHitCount()); |
899 | } else { |
900 | // Don't print the pending notification for exception resolvers since we |
901 | // don't generally know how to set them until the target is run. |
902 | if (m_resolver_sp->getResolverID() != |
903 | BreakpointResolver::ExceptionResolver) |
904 | s->Printf(", locations = 0 (pending)"); |
905 | } |
906 | |
907 | GetOptions()->GetDescription(s, level); |
908 | |
909 | if (m_precondition_sp) |
910 | m_precondition_sp->GetDescription(*s, level); |
911 | |
912 | if (level == lldb::eDescriptionLevelFull) { |
913 | if (!m_name_list.empty()) { |
914 | s->EOL(); |
915 | s->Indent(); |
916 | s->Printf("Names:"); |
917 | s->EOL(); |
918 | s->IndentMore(); |
919 | for (std::string name : m_name_list) { |
920 | s->Indent(); |
921 | s->Printf("%s\n", name.c_str()); |
922 | } |
923 | s->IndentLess(); |
924 | } |
925 | s->IndentLess(); |
926 | s->EOL(); |
927 | } |
928 | break; |
929 | |
930 | case lldb::eDescriptionLevelInitial: |
931 | s->Printf("Breakpoint %i: ", GetID()); |
932 | if (num_locations == 0) { |
933 | s->Printf("no locations (pending)."); |
934 | } else if (num_locations == 1 && !show_locations) { |
935 | // There is only one location, so we'll just print that location |
936 | // information. |
937 | GetLocationAtIndex(0)->GetDescription(s, level); |
938 | } else { |
939 | s->Printf("%" PRIu64"l" "u" " locations.", static_cast<uint64_t>(num_locations)); |
940 | } |
941 | s->EOL(); |
942 | break; |
943 | |
944 | case lldb::eDescriptionLevelVerbose: |
945 | // Verbose mode does a debug dump of the breakpoint |
946 | Dump(s); |
947 | s->EOL(); |
948 | // s->Indent(); |
949 | GetOptions()->GetDescription(s, level); |
950 | break; |
951 | |
952 | default: |
953 | break; |
954 | } |
955 | |
956 | // The brief description is just the location name (1.2 or whatever). That's |
957 | // pointless to show in the breakpoint's description, so suppress it. |
958 | if (show_locations && level != lldb::eDescriptionLevelBrief) { |
959 | s->IndentMore(); |
960 | for (size_t i = 0; i < num_locations; ++i) { |
961 | BreakpointLocation *loc = GetLocationAtIndex(i).get(); |
962 | loc->GetDescription(s, level); |
963 | s->EOL(); |
964 | } |
965 | s->IndentLess(); |
966 | } |
967 | } |
968 | |
969 | void Breakpoint::GetResolverDescription(Stream *s) { |
970 | if (m_resolver_sp) |
971 | m_resolver_sp->GetDescription(s); |
972 | } |
973 | |
974 | bool Breakpoint::GetMatchingFileLine(const ConstString &filename, |
975 | uint32_t line_number, |
976 | BreakpointLocationCollection &loc_coll) { |
977 | // TODO: To be correct, this method needs to fill the breakpoint location |
978 | // collection |
979 | // with the location IDs which match the filename and line_number. |
980 | // |
981 | |
982 | if (m_resolver_sp) { |
983 | BreakpointResolverFileLine *resolverFileLine = |
984 | dyn_cast<BreakpointResolverFileLine>(m_resolver_sp.get()); |
985 | if (resolverFileLine && |
986 | resolverFileLine->m_file_spec.GetFilename() == filename && |
987 | resolverFileLine->m_line_number == line_number) { |
988 | return true; |
989 | } |
990 | } |
991 | return false; |
992 | } |
993 | |
994 | void Breakpoint::GetFilterDescription(Stream *s) { |
995 | m_filter_sp->GetDescription(s); |
996 | } |
997 | |
998 | bool Breakpoint::EvaluatePrecondition(StoppointCallbackContext &context) { |
999 | if (!m_precondition_sp) |
1000 | return true; |
1001 | |
1002 | return m_precondition_sp->EvaluatePrecondition(context); |
1003 | } |
1004 | |
1005 | bool Breakpoint::BreakpointPrecondition::EvaluatePrecondition( |
1006 | StoppointCallbackContext &context) { |
1007 | return true; |
1008 | } |
1009 | |
1010 | void Breakpoint::BreakpointPrecondition::GetDescription( |
1011 | Stream &stream, lldb::DescriptionLevel level) {} |
1012 | |
1013 | Status |
1014 | Breakpoint::BreakpointPrecondition::ConfigurePrecondition(Args &options) { |
1015 | Status error; |
1016 | error.SetErrorString("Base breakpoint precondition has no options."); |
1017 | return error; |
1018 | } |
1019 | |
1020 | void Breakpoint::SendBreakpointChangedEvent( |
1021 | lldb::BreakpointEventType eventKind) { |
1022 | if (!m_being_created && !IsInternal() && |
1023 | GetTarget().EventTypeHasListeners( |
1024 | Target::eBroadcastBitBreakpointChanged)) { |
1025 | BreakpointEventData *data = |
1026 | new Breakpoint::BreakpointEventData(eventKind, shared_from_this()); |
1027 | |
1028 | GetTarget().BroadcastEvent(Target::eBroadcastBitBreakpointChanged, data); |
1029 | } |
1030 | } |
1031 | |
1032 | void Breakpoint::SendBreakpointChangedEvent(BreakpointEventData *data) { |
1033 | if (data == nullptr) |
1034 | return; |
1035 | |
1036 | if (!m_being_created && !IsInternal() && |
1037 | GetTarget().EventTypeHasListeners(Target::eBroadcastBitBreakpointChanged)) |
1038 | GetTarget().BroadcastEvent(Target::eBroadcastBitBreakpointChanged, data); |
1039 | else |
1040 | delete data; |
1041 | } |
1042 | |
1043 | Breakpoint::BreakpointEventData::BreakpointEventData( |
1044 | BreakpointEventType sub_type, const BreakpointSP &new_breakpoint_sp) |
1045 | : EventData(), m_breakpoint_event(sub_type), |
1046 | m_new_breakpoint_sp(new_breakpoint_sp) {} |
1047 | |
1048 | Breakpoint::BreakpointEventData::~BreakpointEventData() = default; |
1049 | |
1050 | const ConstString &Breakpoint::BreakpointEventData::GetFlavorString() { |
1051 | static ConstString g_flavor("Breakpoint::BreakpointEventData"); |
1052 | return g_flavor; |
1053 | } |
1054 | |
1055 | const ConstString &Breakpoint::BreakpointEventData::GetFlavor() const { |
1056 | return BreakpointEventData::GetFlavorString(); |
1057 | } |
1058 | |
1059 | BreakpointSP &Breakpoint::BreakpointEventData::GetBreakpoint() { |
1060 | return m_new_breakpoint_sp; |
1061 | } |
1062 | |
1063 | BreakpointEventType |
1064 | Breakpoint::BreakpointEventData::GetBreakpointEventType() const { |
1065 | return m_breakpoint_event; |
1066 | } |
1067 | |
1068 | void Breakpoint::BreakpointEventData::Dump(Stream *s) const {} |
1069 | |
1070 | const Breakpoint::BreakpointEventData * |
1071 | Breakpoint::BreakpointEventData::GetEventDataFromEvent(const Event *event) { |
1072 | if (event) { |
1073 | const EventData *event_data = event->GetData(); |
1074 | if (event_data && |
1075 | event_data->GetFlavor() == BreakpointEventData::GetFlavorString()) |
1076 | return static_cast<const BreakpointEventData *>(event->GetData()); |
1077 | } |
1078 | return nullptr; |
1079 | } |
1080 | |
1081 | BreakpointEventType |
1082 | Breakpoint::BreakpointEventData::GetBreakpointEventTypeFromEvent( |
1083 | const EventSP &event_sp) { |
1084 | const BreakpointEventData *data = GetEventDataFromEvent(event_sp.get()); |
1085 | |
1086 | if (data == nullptr) |
1087 | return eBreakpointEventTypeInvalidType; |
1088 | else |
1089 | return data->GetBreakpointEventType(); |
1090 | } |
1091 | |
1092 | BreakpointSP Breakpoint::BreakpointEventData::GetBreakpointFromEvent( |
1093 | const EventSP &event_sp) { |
1094 | BreakpointSP bp_sp; |
1095 | |
1096 | const BreakpointEventData *data = GetEventDataFromEvent(event_sp.get()); |
1097 | if (data) |
1098 | bp_sp = data->m_new_breakpoint_sp; |
1099 | |
1100 | return bp_sp; |
1101 | } |
1102 | |
1103 | size_t Breakpoint::BreakpointEventData::GetNumBreakpointLocationsFromEvent( |
1104 | const EventSP &event_sp) { |
1105 | const BreakpointEventData *data = GetEventDataFromEvent(event_sp.get()); |
1106 | if (data) |
1107 | return data->m_locations.GetSize(); |
1108 | |
1109 | return 0; |
1110 | } |
1111 | |
1112 | lldb::BreakpointLocationSP |
1113 | Breakpoint::BreakpointEventData::GetBreakpointLocationAtIndexFromEvent( |
1114 | const lldb::EventSP &event_sp, uint32_t bp_loc_idx) { |
1115 | lldb::BreakpointLocationSP bp_loc_sp; |
1116 | |
1117 | const BreakpointEventData *data = GetEventDataFromEvent(event_sp.get()); |
1118 | if (data) { |
1119 | bp_loc_sp = data->m_locations.GetByIndex(bp_loc_idx); |
1120 | } |
1121 | |
1122 | return bp_loc_sp; |
1123 | } |