| //===-- Breakpoint.cpp ----------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "llvm/Support/Casting.h" |
| |
| #include "lldb/Breakpoint/Breakpoint.h" |
| #include "lldb/Breakpoint/BreakpointLocation.h" |
| #include "lldb/Breakpoint/BreakpointLocationCollection.h" |
| #include "lldb/Breakpoint/BreakpointPrecondition.h" |
| #include "lldb/Breakpoint/BreakpointResolver.h" |
| #include "lldb/Breakpoint/BreakpointResolverFileLine.h" |
| #include "lldb/Core/Address.h" |
| #include "lldb/Core/Debugger.h" |
| #include "lldb/Core/Module.h" |
| #include "lldb/Core/ModuleList.h" |
| #include "lldb/Core/SearchFilter.h" |
| #include "lldb/Core/Section.h" |
| #include "lldb/Symbol/CompileUnit.h" |
| #include "lldb/Symbol/Function.h" |
| #include "lldb/Symbol/Symbol.h" |
| #include "lldb/Symbol/SymbolContext.h" |
| #include "lldb/Target/SectionLoadList.h" |
| #include "lldb/Target/Target.h" |
| #include "lldb/Target/ThreadSpec.h" |
| #include "lldb/Utility/AnsiTerminal.h" |
| #include "lldb/Utility/LLDBLog.h" |
| #include "lldb/Utility/Log.h" |
| #include "lldb/Utility/Stream.h" |
| #include "lldb/Utility/StreamString.h" |
| |
| #include <memory> |
| |
| using namespace lldb; |
| using namespace lldb_private; |
| using namespace llvm; |
| |
| const char *Breakpoint::g_option_names[static_cast<uint32_t>( |
| Breakpoint::OptionNames::LastOptionName)]{"Names", "Hardware"}; |
| |
| // Breakpoint constructor |
| Breakpoint::Breakpoint(Target &target, SearchFilterSP &filter_sp, |
| BreakpointResolverSP &resolver_sp, bool hardware, |
| bool resolve_indirect_symbols) |
| : m_hardware(hardware), m_target(target), m_filter_sp(filter_sp), |
| m_resolver_sp(resolver_sp), m_options(true), m_locations(*this), |
| m_resolve_indirect_symbols(resolve_indirect_symbols), m_hit_counter() {} |
| |
| Breakpoint::Breakpoint(Target &new_target, const Breakpoint &source_bp) |
| : m_hardware(source_bp.m_hardware), m_target(new_target), |
| m_name_list(source_bp.m_name_list), m_options(source_bp.m_options), |
| m_locations(*this), |
| m_resolve_indirect_symbols(source_bp.m_resolve_indirect_symbols), |
| m_hit_counter() {} |
| |
| // Destructor |
| Breakpoint::~Breakpoint() { |
| for (BreakpointLocationSP location_sp : m_locations.BreakpointLocations()) |
| location_sp->SetInvalid(); |
| for (BreakpointLocationSP location_sp : |
| m_facade_locations.BreakpointLocations()) |
| location_sp->SetInvalid(); |
| } |
| |
| BreakpointSP Breakpoint::CopyFromBreakpoint(TargetSP new_target, |
| const Breakpoint &bp_to_copy_from) { |
| if (!new_target) |
| return BreakpointSP(); |
| |
| BreakpointSP bp(new Breakpoint(*new_target, bp_to_copy_from)); |
| // Now go through and copy the filter & resolver: |
| bp->m_resolver_sp = bp_to_copy_from.m_resolver_sp->CopyForBreakpoint(bp); |
| bp->m_filter_sp = bp_to_copy_from.m_filter_sp->CreateCopy(new_target); |
| return bp; |
| } |
| |
| // Serialization |
| StructuredData::ObjectSP Breakpoint::SerializeToStructuredData() { |
| // Serialize the resolver: |
| StructuredData::DictionarySP breakpoint_dict_sp( |
| new StructuredData::Dictionary()); |
| StructuredData::DictionarySP breakpoint_contents_sp( |
| new StructuredData::Dictionary()); |
| |
| if (!m_name_list.empty()) { |
| StructuredData::ArraySP names_array_sp(new StructuredData::Array()); |
| for (auto name : m_name_list) { |
| names_array_sp->AddItem(std::make_shared<StructuredData::String>(name)); |
| } |
| breakpoint_contents_sp->AddItem(Breakpoint::GetKey(OptionNames::Names), |
| names_array_sp); |
| } |
| |
| breakpoint_contents_sp->AddBooleanItem( |
| Breakpoint::GetKey(OptionNames::Hardware), m_hardware); |
| |
| StructuredData::ObjectSP resolver_dict_sp( |
| m_resolver_sp->SerializeToStructuredData()); |
| if (!resolver_dict_sp) |
| return StructuredData::ObjectSP(); |
| |
| breakpoint_contents_sp->AddItem(BreakpointResolver::GetSerializationKey(), |
| resolver_dict_sp); |
| |
| StructuredData::ObjectSP filter_dict_sp( |
| m_filter_sp->SerializeToStructuredData()); |
| if (!filter_dict_sp) |
| return StructuredData::ObjectSP(); |
| |
| breakpoint_contents_sp->AddItem(SearchFilter::GetSerializationKey(), |
| filter_dict_sp); |
| |
| StructuredData::ObjectSP options_dict_sp( |
| m_options.SerializeToStructuredData()); |
| if (!options_dict_sp) |
| return StructuredData::ObjectSP(); |
| |
| breakpoint_contents_sp->AddItem(BreakpointOptions::GetSerializationKey(), |
| options_dict_sp); |
| |
| breakpoint_dict_sp->AddItem(GetSerializationKey(), breakpoint_contents_sp); |
| return breakpoint_dict_sp; |
| } |
| |
| lldb::BreakpointSP Breakpoint::CreateFromStructuredData( |
| TargetSP target_sp, StructuredData::ObjectSP &object_data, Status &error) { |
| BreakpointSP result_sp; |
| if (!target_sp) |
| return result_sp; |
| |
| StructuredData::Dictionary *breakpoint_dict = object_data->GetAsDictionary(); |
| |
| if (!breakpoint_dict || !breakpoint_dict->IsValid()) { |
| error = Status::FromErrorString( |
| "Can't deserialize from an invalid data object."); |
| return result_sp; |
| } |
| |
| StructuredData::Dictionary *resolver_dict; |
| bool success = breakpoint_dict->GetValueForKeyAsDictionary( |
| BreakpointResolver::GetSerializationKey(), resolver_dict); |
| if (!success) { |
| error = Status::FromErrorString( |
| "Breakpoint data missing toplevel resolver key"); |
| return result_sp; |
| } |
| |
| Status create_error; |
| BreakpointResolverSP resolver_sp = |
| BreakpointResolver::CreateFromStructuredData(*resolver_dict, |
| create_error); |
| if (create_error.Fail()) { |
| error = Status::FromErrorStringWithFormatv( |
| "Error creating breakpoint resolver from data: {0}.", create_error); |
| return result_sp; |
| } |
| |
| StructuredData::Dictionary *filter_dict; |
| success = breakpoint_dict->GetValueForKeyAsDictionary( |
| SearchFilter::GetSerializationKey(), filter_dict); |
| SearchFilterSP filter_sp; |
| if (!success) |
| filter_sp = |
| std::make_shared<SearchFilterForUnconstrainedSearches>(target_sp); |
| else { |
| filter_sp = SearchFilter::CreateFromStructuredData(target_sp, *filter_dict, |
| create_error); |
| if (create_error.Fail()) { |
| error = Status::FromErrorStringWithFormat( |
| "Error creating breakpoint filter from data: %s.", |
| create_error.AsCString()); |
| return result_sp; |
| } |
| } |
| |
| std::unique_ptr<BreakpointOptions> options_up; |
| StructuredData::Dictionary *options_dict; |
| Target &target = *target_sp; |
| success = breakpoint_dict->GetValueForKeyAsDictionary( |
| BreakpointOptions::GetSerializationKey(), options_dict); |
| if (success) { |
| options_up = BreakpointOptions::CreateFromStructuredData( |
| target, *options_dict, create_error); |
| if (create_error.Fail()) { |
| error = Status::FromErrorStringWithFormat( |
| "Error creating breakpoint options from data: %s.", |
| create_error.AsCString()); |
| return result_sp; |
| } |
| } |
| |
| bool hardware = false; |
| success = breakpoint_dict->GetValueForKeyAsBoolean( |
| Breakpoint::GetKey(OptionNames::Hardware), hardware); |
| |
| result_sp = |
| target.CreateBreakpoint(filter_sp, resolver_sp, false, hardware, true); |
| |
| if (result_sp && options_up) { |
| result_sp->m_options = *options_up; |
| } |
| |
| StructuredData::Array *names_array; |
| success = breakpoint_dict->GetValueForKeyAsArray( |
| Breakpoint::GetKey(OptionNames::Names), names_array); |
| if (success && names_array) { |
| size_t num_names = names_array->GetSize(); |
| for (size_t i = 0; i < num_names; i++) { |
| if (std::optional<llvm::StringRef> maybe_name = |
| names_array->GetItemAtIndexAsString(i)) |
| target.AddNameToBreakpoint(result_sp, *maybe_name, error); |
| } |
| } |
| |
| return result_sp; |
| } |
| |
| bool Breakpoint::SerializedBreakpointMatchesNames( |
| StructuredData::ObjectSP &bkpt_object_sp, std::vector<std::string> &names) { |
| if (!bkpt_object_sp) |
| return false; |
| |
| StructuredData::Dictionary *bkpt_dict = bkpt_object_sp->GetAsDictionary(); |
| if (!bkpt_dict) |
| return false; |
| |
| if (names.empty()) |
| return true; |
| |
| StructuredData::Array *names_array; |
| |
| bool success = |
| bkpt_dict->GetValueForKeyAsArray(GetKey(OptionNames::Names), names_array); |
| // If there are no names, it can't match these names; |
| if (!success) |
| return false; |
| |
| size_t num_names = names_array->GetSize(); |
| |
| for (size_t i = 0; i < num_names; i++) { |
| std::optional<llvm::StringRef> maybe_name = |
| names_array->GetItemAtIndexAsString(i); |
| if (maybe_name && llvm::is_contained(names, *maybe_name)) |
| return true; |
| } |
| return false; |
| } |
| |
| const lldb::TargetSP Breakpoint::GetTargetSP() { |
| return m_target.shared_from_this(); |
| } |
| |
| bool Breakpoint::IsInternal() const { return LLDB_BREAK_ID_IS_INTERNAL(m_bid); } |
| |
| llvm::Error Breakpoint::SetIsHardware(bool is_hardware) { |
| if (is_hardware == m_hardware) |
| return llvm::Error::success(); |
| |
| Log *log = GetLog(LLDBLog::Breakpoints); |
| |
| // Disable all non-hardware breakpoint locations. |
| std::vector<BreakpointLocationSP> locations; |
| for (BreakpointLocationSP location_sp : m_locations.BreakpointLocations()) { |
| if (!location_sp || !location_sp->IsEnabled()) |
| continue; |
| |
| lldb::BreakpointSiteSP breakpoint_site_sp = |
| location_sp->GetBreakpointSite(); |
| if (!breakpoint_site_sp || |
| breakpoint_site_sp->GetType() == BreakpointSite::eHardware) |
| continue; |
| |
| locations.push_back(location_sp); |
| if (llvm::Error error = location_sp->SetEnabled(false)) |
| LLDB_LOG_ERROR(log, std::move(error), |
| "Failed to disable breakpoint location: {0}"); |
| } |
| |
| // Toggle the hardware mode. |
| m_hardware = is_hardware; |
| |
| // Re-enable all breakpoint locations. |
| size_t num_failures = 0; |
| for (BreakpointLocationSP location_sp : locations) { |
| if (llvm::Error error = location_sp->SetEnabled(true)) { |
| LLDB_LOG_ERROR(log, std::move(error), |
| "Failed to re-enable breakpoint location: {0}"); |
| num_failures++; |
| } |
| } |
| |
| if (num_failures != 0) |
| return llvm::createStringError( |
| "%ull out of %ull breakpoint locations left disabled because they " |
| "couldn't be converted to hardware", |
| num_failures, locations.size()); |
| |
| return llvm::Error::success(); |
| } |
| |
| BreakpointLocationSP Breakpoint::AddLocation(const Address &addr, |
| bool *new_location) { |
| return m_locations.AddLocation(addr, m_resolve_indirect_symbols, |
| new_location); |
| } |
| |
| BreakpointLocationSP Breakpoint::AddFacadeLocation() { |
| size_t next_id = m_facade_locations.GetSize() + 1; |
| BreakpointLocationSP break_loc_sp = |
| std::make_shared<BreakpointLocation>(next_id, *this); |
| break_loc_sp->m_is_facade = true; |
| m_facade_locations.Add(break_loc_sp); |
| return break_loc_sp; |
| } |
| |
| BreakpointLocationSP |
| Breakpoint::GetFacadeLocationByID(lldb::break_id_t loc_id) { |
| return m_facade_locations.GetByIndex(loc_id - 1); |
| } |
| |
| BreakpointLocationSP Breakpoint::FindLocationByAddress(const Address &addr) { |
| return m_locations.FindByAddress(addr); |
| } |
| |
| break_id_t Breakpoint::FindLocationIDByAddress(const Address &addr) { |
| return m_locations.FindIDByAddress(addr); |
| } |
| |
| BreakpointLocationSP Breakpoint::FindLocationByID(break_id_t bp_loc_id, |
| bool use_facade) { |
| if (use_facade && m_facade_locations.GetSize()) |
| return GetFacadeLocationByID(bp_loc_id); |
| return m_locations.FindByID(bp_loc_id); |
| } |
| |
| BreakpointLocationSP Breakpoint::GetLocationAtIndex(size_t index, |
| bool use_facade) { |
| if (use_facade && m_facade_locations.GetSize() > 0) |
| return m_facade_locations.GetByIndex(index); |
| return m_locations.GetByIndex(index); |
| } |
| |
| void Breakpoint::RemoveInvalidLocations(const ArchSpec &arch) { |
| // FIXME: Should we ask the scripted resolver whether any of its facade |
| // locations are invalid? |
| m_locations.RemoveInvalidLocations(arch); |
| } |
| |
| // For each of the overall options we need to decide how they propagate to the |
| // location options. This will determine the precedence of options on the |
| // breakpoint vs. its locations. |
| |
| // Disable at the breakpoint level should override the location settings. That |
| // way you can conveniently turn off a whole breakpoint without messing up the |
| // individual settings. |
| |
| void Breakpoint::SetEnabled(bool enable) { |
| if (enable == m_options.IsEnabled()) |
| return; |
| |
| m_options.SetEnabled(enable); |
| if (enable) |
| m_locations.ResolveAllBreakpointSites(); |
| else |
| m_locations.ClearAllBreakpointSites(); |
| |
| SendBreakpointChangedEvent(enable ? eBreakpointEventTypeEnabled |
| : eBreakpointEventTypeDisabled); |
| } |
| |
| bool Breakpoint::IsEnabled() { return m_options.IsEnabled(); } |
| |
| void Breakpoint::SetIgnoreCount(uint32_t n) { |
| if (m_options.GetIgnoreCount() == n) |
| return; |
| |
| m_options.SetIgnoreCount(n); |
| SendBreakpointChangedEvent(eBreakpointEventTypeIgnoreChanged); |
| } |
| |
| void Breakpoint::DecrementIgnoreCount() { |
| uint32_t ignore = m_options.GetIgnoreCount(); |
| if (ignore != 0) |
| m_options.SetIgnoreCount(ignore - 1); |
| } |
| |
| uint32_t Breakpoint::GetIgnoreCount() const { |
| return m_options.GetIgnoreCount(); |
| } |
| |
| uint32_t Breakpoint::GetHitCount() const { return m_hit_counter.GetValue(); } |
| |
| void Breakpoint::ResetHitCount() { |
| m_hit_counter.Reset(); |
| m_locations.ResetHitCount(); |
| } |
| |
| bool Breakpoint::IsOneShot() const { return m_options.IsOneShot(); } |
| |
| void Breakpoint::SetOneShot(bool one_shot) { m_options.SetOneShot(one_shot); } |
| |
| bool Breakpoint::IsAutoContinue() const { return m_options.IsAutoContinue(); } |
| |
| void Breakpoint::SetAutoContinue(bool auto_continue) { |
| m_options.SetAutoContinue(auto_continue); |
| } |
| |
| void Breakpoint::SetThreadID(lldb::tid_t thread_id) { |
| if (m_options.GetThreadSpec()->GetTID() == thread_id) |
| return; |
| |
| m_options.GetThreadSpec()->SetTID(thread_id); |
| SendBreakpointChangedEvent(eBreakpointEventTypeThreadChanged); |
| } |
| |
| lldb::tid_t Breakpoint::GetThreadID() const { |
| if (m_options.GetThreadSpecNoCreate() == nullptr) |
| return LLDB_INVALID_THREAD_ID; |
| return m_options.GetThreadSpecNoCreate()->GetTID(); |
| } |
| |
| void Breakpoint::SetThreadIndex(uint32_t index) { |
| if (m_options.GetThreadSpec()->GetIndex() == index) |
| return; |
| |
| m_options.GetThreadSpec()->SetIndex(index); |
| SendBreakpointChangedEvent(eBreakpointEventTypeThreadChanged); |
| } |
| |
| uint32_t Breakpoint::GetThreadIndex() const { |
| if (m_options.GetThreadSpecNoCreate() == nullptr) |
| return 0; |
| return m_options.GetThreadSpecNoCreate()->GetIndex(); |
| } |
| |
| void Breakpoint::SetThreadName(const char *thread_name) { |
| if (m_options.GetThreadSpec()->GetName() != nullptr && |
| ::strcmp(m_options.GetThreadSpec()->GetName(), thread_name) == 0) |
| return; |
| |
| m_options.GetThreadSpec()->SetName(thread_name); |
| SendBreakpointChangedEvent(eBreakpointEventTypeThreadChanged); |
| } |
| |
| const char *Breakpoint::GetThreadName() const { |
| if (m_options.GetThreadSpecNoCreate() == nullptr) |
| return nullptr; |
| return m_options.GetThreadSpecNoCreate()->GetName(); |
| } |
| |
| void Breakpoint::SetQueueName(const char *queue_name) { |
| if (m_options.GetThreadSpec()->GetQueueName() != nullptr && |
| ::strcmp(m_options.GetThreadSpec()->GetQueueName(), queue_name) == 0) |
| return; |
| |
| m_options.GetThreadSpec()->SetQueueName(queue_name); |
| SendBreakpointChangedEvent(eBreakpointEventTypeThreadChanged); |
| } |
| |
| const char *Breakpoint::GetQueueName() const { |
| if (m_options.GetThreadSpecNoCreate() == nullptr) |
| return nullptr; |
| return m_options.GetThreadSpecNoCreate()->GetQueueName(); |
| } |
| |
| void Breakpoint::SetCondition(StopCondition condition) { |
| m_options.SetCondition(std::move(condition)); |
| SendBreakpointChangedEvent(eBreakpointEventTypeConditionChanged); |
| } |
| |
| const StopCondition &Breakpoint::GetCondition() const { |
| return m_options.GetCondition(); |
| } |
| |
| // This function is used when "baton" doesn't need to be freed |
| void Breakpoint::SetCallback(BreakpointHitCallback callback, void *baton, |
| bool is_synchronous) { |
| // The default "Baton" class will keep a copy of "baton" and won't free or |
| // delete it when it goes out of scope. |
| m_options.SetCallback(callback, std::make_shared<UntypedBaton>(baton), |
| is_synchronous); |
| |
| SendBreakpointChangedEvent(eBreakpointEventTypeCommandChanged); |
| } |
| |
| // This function is used when a baton needs to be freed and therefore is |
| // contained in a "Baton" subclass. |
| void Breakpoint::SetCallback(BreakpointHitCallback callback, |
| const BatonSP &callback_baton_sp, |
| bool is_synchronous) { |
| m_options.SetCallback(callback, callback_baton_sp, is_synchronous); |
| } |
| |
| void Breakpoint::ClearCallback() { m_options.ClearCallback(); } |
| |
| bool Breakpoint::InvokeCallback(StoppointCallbackContext *context, |
| break_id_t bp_loc_id) { |
| return m_options.InvokeCallback(context, GetID(), bp_loc_id); |
| } |
| |
| BreakpointOptions &Breakpoint::GetOptions() { return m_options; } |
| |
| const BreakpointOptions &Breakpoint::GetOptions() const { return m_options; } |
| |
| void Breakpoint::ResolveBreakpoint() { |
| if (m_resolver_sp) { |
| ElapsedTime elapsed(m_resolve_time); |
| m_resolver_sp->ResolveBreakpoint(*m_filter_sp); |
| } |
| } |
| |
| void Breakpoint::ResolveBreakpointInModules( |
| ModuleList &module_list, BreakpointLocationCollection &new_locations) { |
| ElapsedTime elapsed(m_resolve_time); |
| m_locations.StartRecordingNewLocations(new_locations); |
| |
| m_resolver_sp->ResolveBreakpointInModules(*m_filter_sp, module_list); |
| |
| m_locations.StopRecordingNewLocations(); |
| } |
| |
| void Breakpoint::ResolveBreakpointInModules(ModuleList &module_list, |
| bool send_event) { |
| if (m_resolver_sp) { |
| // If this is not an internal breakpoint, set up to record the new |
| // locations, then dispatch an event with the new locations. |
| if (!IsInternal() && send_event) { |
| std::shared_ptr<BreakpointEventData> new_locations_event = |
| std::make_shared<BreakpointEventData>( |
| eBreakpointEventTypeLocationsAdded, shared_from_this()); |
| ResolveBreakpointInModules( |
| module_list, new_locations_event->GetBreakpointLocationCollection()); |
| if (new_locations_event->GetBreakpointLocationCollection().GetSize() != 0) |
| SendBreakpointChangedEvent(new_locations_event); |
| } else { |
| ElapsedTime elapsed(m_resolve_time); |
| m_resolver_sp->ResolveBreakpointInModules(*m_filter_sp, module_list); |
| } |
| } |
| } |
| |
| void Breakpoint::ClearAllBreakpointSites() { |
| m_locations.ClearAllBreakpointSites(); |
| } |
| |
| // ModulesChanged: Pass in a list of new modules, and |
| |
| void Breakpoint::ModulesChanged(ModuleList &module_list, bool load, |
| bool delete_locations) { |
| Log *log = GetLog(LLDBLog::Breakpoints); |
| LLDB_LOGF(log, |
| "Breakpoint::ModulesChanged: num_modules: %zu load: %i " |
| "delete_locations: %i\n", |
| module_list.GetSize(), load, delete_locations); |
| |
| if (load) { |
| // The logic for handling new modules is: |
| // 1) If the filter rejects this module, then skip it. 2) Run through the |
| // current location list and if there are any locations |
| // for that module, we mark the module as "seen" and we don't try to |
| // re-resolve |
| // breakpoint locations for that module. |
| // However, we do add breakpoint sites to these locations if needed. |
| // 3) If we don't see this module in our breakpoint location list, call |
| // ResolveInModules. |
| |
| ModuleList new_modules; // We'll stuff the "unseen" modules in this list, |
| // and then resolve |
| // them after the locations pass. Have to do it this way because resolving |
| // breakpoints will add new locations potentially. |
| |
| for (ModuleSP module_sp : module_list.Modules()) { |
| bool seen = false; |
| if (!m_filter_sp->ModulePasses(module_sp)) |
| continue; |
| |
| BreakpointLocationCollection locations_with_no_section; |
| for (BreakpointLocationSP break_loc_sp : |
| m_locations.BreakpointLocations()) { |
| |
| // If the section for this location was deleted, that means it's Module |
| // has gone away but somebody forgot to tell us. Let's clean it up |
| // here. |
| Address section_addr(break_loc_sp->GetAddress()); |
| if (section_addr.SectionWasDeleted()) { |
| locations_with_no_section.Add(break_loc_sp); |
| continue; |
| } |
| |
| if (!break_loc_sp->IsEnabled()) |
| continue; |
| |
| SectionSP section_sp(section_addr.GetSection()); |
| |
| // If we don't have a Section, that means this location is a raw |
| // address that we haven't resolved to a section yet. So we'll have to |
| // look in all the new modules to resolve this location. Otherwise, if |
| // it was set in this module, re-resolve it here. |
| if (section_sp && section_sp->GetModule() == module_sp) { |
| if (!seen) |
| seen = true; |
| |
| if (llvm::Error error = break_loc_sp->ResolveBreakpointSite()) { |
| LLDB_LOG_ERROR(log, std::move(error), |
| "could not set breakpoint site for " |
| "breakpoint location {1} of breakpoint {2}: {0}", |
| break_loc_sp->GetID(), GetID()); |
| } |
| } |
| } |
| |
| size_t num_to_delete = locations_with_no_section.GetSize(); |
| |
| for (size_t i = 0; i < num_to_delete; i++) |
| m_locations.RemoveLocation(locations_with_no_section.GetByIndex(i)); |
| |
| if (!seen) |
| new_modules.AppendIfNeeded(module_sp); |
| } |
| |
| if (new_modules.GetSize() > 0) { |
| ResolveBreakpointInModules(new_modules); |
| } |
| } else { |
| // Go through the currently set locations and if any have breakpoints in |
| // the module list, then remove their breakpoint sites, and their locations |
| // if asked to. |
| |
| std::shared_ptr<BreakpointEventData> removed_locations_event; |
| if (!IsInternal()) |
| removed_locations_event = std::make_shared<BreakpointEventData>( |
| eBreakpointEventTypeLocationsRemoved, shared_from_this()); |
| |
| for (ModuleSP module_sp : module_list.Modules()) { |
| if (m_filter_sp->ModulePasses(module_sp)) { |
| size_t loc_idx = 0; |
| size_t num_locations = m_locations.GetSize(); |
| BreakpointLocationCollection locations_to_remove; |
| for (loc_idx = 0; loc_idx < num_locations; loc_idx++) { |
| BreakpointLocationSP break_loc_sp(m_locations.GetByIndex(loc_idx)); |
| SectionSP section_sp(break_loc_sp->GetAddress().GetSection()); |
| if (section_sp && section_sp->GetModule() == module_sp) { |
| // Remove this breakpoint since the shared library is unloaded, but |
| // keep the breakpoint location around so we always get complete |
| // hit count and breakpoint lifetime info |
| if (llvm::Error error = break_loc_sp->ClearBreakpointSite()) |
| LLDB_LOG_ERROR(log, std::move(error), |
| "Failed to clear breakpoint locations on library " |
| "unload: {0}"); |
| if (removed_locations_event) { |
| removed_locations_event->GetBreakpointLocationCollection().Add( |
| break_loc_sp); |
| } |
| if (delete_locations) |
| locations_to_remove.Add(break_loc_sp); |
| } |
| } |
| |
| if (delete_locations) { |
| size_t num_locations_to_remove = locations_to_remove.GetSize(); |
| for (loc_idx = 0; loc_idx < num_locations_to_remove; loc_idx++) |
| m_locations.RemoveLocation(locations_to_remove.GetByIndex(loc_idx)); |
| } |
| } |
| } |
| SendBreakpointChangedEvent(removed_locations_event); |
| } |
| } |
| |
| static bool SymbolContextsMightBeEquivalent(SymbolContext &old_sc, |
| SymbolContext &new_sc) { |
| bool equivalent_scs = false; |
| |
| if (old_sc.module_sp.get() == new_sc.module_sp.get()) { |
| // If these come from the same module, we can directly compare the |
| // pointers: |
| if (old_sc.comp_unit && new_sc.comp_unit && |
| (old_sc.comp_unit == new_sc.comp_unit)) { |
| if (old_sc.function && new_sc.function && |
| (old_sc.function == new_sc.function)) { |
| equivalent_scs = true; |
| } |
| } else if (old_sc.symbol && new_sc.symbol && |
| (old_sc.symbol == new_sc.symbol)) { |
| equivalent_scs = true; |
| } |
| } else { |
| // Otherwise we will compare by name... |
| if (old_sc.comp_unit && new_sc.comp_unit) { |
| if (old_sc.comp_unit->GetPrimaryFile() == |
| new_sc.comp_unit->GetPrimaryFile()) { |
| // Now check the functions: |
| if (old_sc.function && new_sc.function && |
| (old_sc.function->GetName() == new_sc.function->GetName())) { |
| equivalent_scs = true; |
| } |
| } |
| } else if (old_sc.symbol && new_sc.symbol) { |
| if (Mangled::Compare(old_sc.symbol->GetMangled(), |
| new_sc.symbol->GetMangled()) == 0) { |
| equivalent_scs = true; |
| } |
| } |
| } |
| return equivalent_scs; |
| } |
| |
| void Breakpoint::ModuleReplaced(ModuleSP old_module_sp, |
| ModuleSP new_module_sp) { |
| Log *log = GetLog(LLDBLog::Breakpoints); |
| LLDB_LOGF(log, "Breakpoint::ModulesReplaced for %s\n", |
| old_module_sp->GetSpecificationDescription().c_str()); |
| // First find all the locations that are in the old module |
| |
| BreakpointLocationCollection old_break_locs; |
| for (BreakpointLocationSP break_loc_sp : m_locations.BreakpointLocations()) { |
| SectionSP section_sp = break_loc_sp->GetAddress().GetSection(); |
| if (section_sp && section_sp->GetModule() == old_module_sp) { |
| old_break_locs.Add(break_loc_sp); |
| } |
| } |
| |
| size_t num_old_locations = old_break_locs.GetSize(); |
| |
| if (num_old_locations == 0) { |
| // There were no locations in the old module, so we just need to check if |
| // there were any in the new module. |
| ModuleList temp_list; |
| temp_list.Append(new_module_sp); |
| ResolveBreakpointInModules(temp_list); |
| } else { |
| // First search the new module for locations. Then compare this with the |
| // old list, copy over locations that "look the same" Then delete the old |
| // locations. Finally remember to post the creation event. |
| // |
| // Two locations are the same if they have the same comp unit & function |
| // (by name) and there are the same number of locations in the old function |
| // as in the new one. |
| |
| ModuleList temp_list; |
| temp_list.Append(new_module_sp); |
| BreakpointLocationCollection new_break_locs; |
| ResolveBreakpointInModules(temp_list, new_break_locs); |
| BreakpointLocationCollection locations_to_remove; |
| BreakpointLocationCollection locations_to_announce; |
| |
| size_t num_new_locations = new_break_locs.GetSize(); |
| |
| if (num_new_locations > 0) { |
| // Break out the case of one location -> one location since that's the |
| // most common one, and there's no need to build up the structures needed |
| // for the merge in that case. |
| if (num_new_locations == 1 && num_old_locations == 1) { |
| bool equivalent_locations = false; |
| SymbolContext old_sc, new_sc; |
| // The only way the old and new location can be equivalent is if they |
| // have the same amount of information: |
| BreakpointLocationSP old_loc_sp = old_break_locs.GetByIndex(0); |
| BreakpointLocationSP new_loc_sp = new_break_locs.GetByIndex(0); |
| |
| if (old_loc_sp->GetAddress().CalculateSymbolContext(&old_sc) == |
| new_loc_sp->GetAddress().CalculateSymbolContext(&new_sc)) { |
| equivalent_locations = |
| SymbolContextsMightBeEquivalent(old_sc, new_sc); |
| } |
| |
| if (equivalent_locations) { |
| m_locations.SwapLocation(old_loc_sp, new_loc_sp); |
| } else { |
| locations_to_remove.Add(old_loc_sp); |
| locations_to_announce.Add(new_loc_sp); |
| } |
| } else { |
| // We don't want to have to keep computing the SymbolContexts for these |
| // addresses over and over, so lets get them up front: |
| |
| typedef std::map<lldb::break_id_t, SymbolContext> IDToSCMap; |
| IDToSCMap old_sc_map; |
| for (size_t idx = 0; idx < num_old_locations; idx++) { |
| SymbolContext sc; |
| BreakpointLocationSP bp_loc_sp = old_break_locs.GetByIndex(idx); |
| lldb::break_id_t loc_id = bp_loc_sp->GetID(); |
| bp_loc_sp->GetAddress().CalculateSymbolContext(&old_sc_map[loc_id]); |
| } |
| |
| std::map<lldb::break_id_t, SymbolContext> new_sc_map; |
| for (size_t idx = 0; idx < num_new_locations; idx++) { |
| SymbolContext sc; |
| BreakpointLocationSP bp_loc_sp = new_break_locs.GetByIndex(idx); |
| lldb::break_id_t loc_id = bp_loc_sp->GetID(); |
| bp_loc_sp->GetAddress().CalculateSymbolContext(&new_sc_map[loc_id]); |
| } |
| // Take an element from the old Symbol Contexts |
| while (old_sc_map.size() > 0) { |
| lldb::break_id_t old_id = old_sc_map.begin()->first; |
| SymbolContext &old_sc = old_sc_map.begin()->second; |
| |
| // Count the number of entries equivalent to this SC for the old |
| // list: |
| std::vector<lldb::break_id_t> old_id_vec; |
| old_id_vec.push_back(old_id); |
| |
| IDToSCMap::iterator tmp_iter; |
| for (tmp_iter = ++old_sc_map.begin(); tmp_iter != old_sc_map.end(); |
| tmp_iter++) { |
| if (SymbolContextsMightBeEquivalent(old_sc, tmp_iter->second)) |
| old_id_vec.push_back(tmp_iter->first); |
| } |
| |
| // Now find all the equivalent locations in the new list. |
| std::vector<lldb::break_id_t> new_id_vec; |
| for (tmp_iter = new_sc_map.begin(); tmp_iter != new_sc_map.end(); |
| tmp_iter++) { |
| if (SymbolContextsMightBeEquivalent(old_sc, tmp_iter->second)) |
| new_id_vec.push_back(tmp_iter->first); |
| } |
| |
| // Alright, if we have the same number of potentially equivalent |
| // locations in the old and new modules, we'll just map them one to |
| // one in ascending ID order (assuming the resolver's order would |
| // match the equivalent ones. Otherwise, we'll dump all the old ones, |
| // and just take the new ones, erasing the elements from both maps as |
| // we go. |
| |
| if (old_id_vec.size() == new_id_vec.size()) { |
| llvm::sort(old_id_vec); |
| llvm::sort(new_id_vec); |
| size_t num_elements = old_id_vec.size(); |
| for (size_t idx = 0; idx < num_elements; idx++) { |
| BreakpointLocationSP old_loc_sp = |
| old_break_locs.FindByIDPair(GetID(), old_id_vec[idx]); |
| BreakpointLocationSP new_loc_sp = |
| new_break_locs.FindByIDPair(GetID(), new_id_vec[idx]); |
| m_locations.SwapLocation(old_loc_sp, new_loc_sp); |
| old_sc_map.erase(old_id_vec[idx]); |
| new_sc_map.erase(new_id_vec[idx]); |
| } |
| } else { |
| for (lldb::break_id_t old_id : old_id_vec) { |
| locations_to_remove.Add( |
| old_break_locs.FindByIDPair(GetID(), old_id)); |
| old_sc_map.erase(old_id); |
| } |
| for (lldb::break_id_t new_id : new_id_vec) { |
| locations_to_announce.Add( |
| new_break_locs.FindByIDPair(GetID(), new_id)); |
| new_sc_map.erase(new_id); |
| } |
| } |
| } |
| } |
| } |
| |
| // Now remove the remaining old locations, and cons up a removed locations |
| // event. Note, we don't put the new locations that were swapped with an |
| // old location on the locations_to_remove list, so we don't need to worry |
| // about telling the world about removing a location we didn't tell them |
| // about adding. |
| |
| std::shared_ptr<BreakpointEventData> removed_locations_event; |
| if (!IsInternal()) |
| removed_locations_event = std::make_shared<BreakpointEventData>( |
| eBreakpointEventTypeLocationsRemoved, shared_from_this()); |
| |
| for (BreakpointLocationSP loc_sp : |
| locations_to_remove.BreakpointLocations()) { |
| m_locations.RemoveLocation(loc_sp); |
| if (removed_locations_event) |
| removed_locations_event->GetBreakpointLocationCollection().Add(loc_sp); |
| } |
| SendBreakpointChangedEvent(removed_locations_event); |
| |
| // And announce the new ones. |
| |
| if (!IsInternal()) { |
| std::shared_ptr<BreakpointEventData> added_locations_event = |
| std::make_shared<BreakpointEventData>( |
| eBreakpointEventTypeLocationsAdded, shared_from_this()); |
| for (BreakpointLocationSP loc_sp : |
| locations_to_announce.BreakpointLocations()) |
| added_locations_event->GetBreakpointLocationCollection().Add(loc_sp); |
| |
| SendBreakpointChangedEvent(added_locations_event); |
| } |
| m_locations.Compact(); |
| } |
| } |
| |
| void Breakpoint::Dump(Stream *) {} |
| |
| size_t Breakpoint::GetNumResolvedLocations(bool use_facade) const { |
| // Return the number of breakpoints that are actually resolved and set down |
| // in the inferior process. |
| // All facade locations are considered to be resolved: |
| if (use_facade) { |
| size_t num_facade_locs = m_facade_locations.GetSize(); |
| if (num_facade_locs) |
| return num_facade_locs; |
| } |
| return m_locations.GetNumResolvedLocations(); |
| } |
| |
| bool Breakpoint::HasResolvedLocations() const { |
| return GetNumResolvedLocations() > 0; |
| } |
| |
| size_t Breakpoint::GetNumLocations(bool use_facade) const { |
| if (use_facade) { |
| size_t num_facade_locs = m_facade_locations.GetSize(); |
| if (num_facade_locs > 0) |
| return num_facade_locs; |
| } |
| return m_locations.GetSize(); |
| } |
| |
| void Breakpoint::AddName(llvm::StringRef new_name) { |
| m_name_list.insert(new_name.str()); |
| } |
| |
| void Breakpoint::GetDescription(Stream *s, lldb::DescriptionLevel level, |
| bool show_locations) { |
| assert(s != nullptr); |
| |
| const bool dim_breakpoint_description = |
| !IsEnabled() && s->AsRawOstream().colors_enabled(); |
| if (dim_breakpoint_description) |
| s->Printf("%s", ansi::FormatAnsiTerminalCodes( |
| GetTarget().GetDebugger().GetDisabledAnsiPrefix()) |
| .c_str()); |
| |
| if (!m_kind_description.empty()) { |
| if (level == eDescriptionLevelBrief) { |
| s->PutCString(GetBreakpointKind()); |
| return; |
| } |
| s->Printf("Kind: %s\n", GetBreakpointKind()); |
| } |
| |
| bool show_both_types = level == eDescriptionLevelVerbose && |
| HasFacadeLocations() && show_locations; |
| uint8_t display_mask = eDisplayFacade; |
| if (show_both_types) |
| display_mask |= eDisplayHeader; |
| |
| GetDescriptionForType(s, level, display_mask, show_locations); |
| |
| if (show_both_types) { |
| display_mask = eDisplayReal | eDisplayHeader; |
| GetDescriptionForType(s, level, display_mask, show_locations); |
| } |
| // Reset the colors back to normal if they were previously greyed out. |
| if (dim_breakpoint_description) |
| s->Printf("%s", ansi::FormatAnsiTerminalCodes( |
| GetTarget().GetDebugger().GetDisabledAnsiSuffix()) |
| .c_str()); |
| } |
| |
| void Breakpoint::GetDescriptionForType(Stream *s, lldb::DescriptionLevel level, |
| uint8_t display_type, |
| bool show_locations) { |
| bool use_facade = (display_type & eDisplayFacade) != 0; |
| const size_t num_locations = GetNumLocations(use_facade); |
| const size_t num_resolved_locations = GetNumResolvedLocations(use_facade); |
| |
| // They just made the breakpoint, they don't need to be told HOW they made |
| // it... Also, we'll print the breakpoint number differently depending on |
| // whether there is 1 or more locations. |
| if (level != eDescriptionLevelInitial) { |
| s->Printf("%i: ", GetID()); |
| GetResolverDescription(s); |
| GetFilterDescription(s); |
| } |
| |
| switch (level) { |
| case lldb::eDescriptionLevelBrief: |
| case lldb::eDescriptionLevelFull: |
| if (num_locations > 0) { |
| s->Printf(", locations = %" PRIu64, (uint64_t)num_locations); |
| if (num_resolved_locations > 0) |
| s->Printf(", resolved = %" PRIu64 ", hit count = %d", |
| (uint64_t)num_resolved_locations, GetHitCount()); |
| } else { |
| // Don't print the pending notification for exception resolvers since we |
| // don't generally know how to set them until the target is run. |
| if (m_resolver_sp->getResolverID() != |
| BreakpointResolver::ExceptionResolver) |
| s->Printf(", locations = 0 (pending)"); |
| } |
| |
| m_options.GetDescription(s, level); |
| |
| if (m_precondition_sp) |
| m_precondition_sp->GetDescription(*s, level); |
| |
| if (level == lldb::eDescriptionLevelFull) { |
| if (!m_name_list.empty()) { |
| s->EOL(); |
| s->Indent(); |
| s->Printf("Names:"); |
| s->EOL(); |
| s->IndentMore(); |
| for (const std::string &name : m_name_list) { |
| s->Indent(); |
| s->Printf("%s\n", name.c_str()); |
| } |
| s->IndentLess(); |
| } |
| s->IndentLess(); |
| s->EOL(); |
| } |
| break; |
| |
| case lldb::eDescriptionLevelInitial: |
| s->Printf("Breakpoint %i: ", GetID()); |
| if (num_locations == 0) { |
| s->Printf("no locations (pending)."); |
| } else if (num_locations == 1 && !show_locations) { |
| // There is only one location, so we'll just print that location |
| // information. |
| GetLocationAtIndex(0, use_facade)->GetDescription(s, level); |
| } else { |
| s->Printf("%" PRIu64 " locations.", static_cast<uint64_t>(num_locations)); |
| } |
| s->EOL(); |
| break; |
| |
| case lldb::eDescriptionLevelVerbose: |
| // Verbose mode does a debug dump of the breakpoint |
| Dump(s); |
| s->EOL(); |
| // s->Indent(); |
| m_options.GetDescription(s, level); |
| break; |
| |
| default: |
| break; |
| } |
| |
| // The brief description is just the location name (1.2 or whatever). That's |
| // pointless to show in the breakpoint's description, so suppress it. |
| if (show_locations && level != lldb::eDescriptionLevelBrief) { |
| if ((display_type & eDisplayHeader) != 0) { |
| if ((display_type & eDisplayFacade) != 0) |
| s->Printf("Facade locations:\n"); |
| else |
| s->Printf("Implementation Locations\n"); |
| } |
| s->IndentMore(); |
| for (size_t i = 0; i < num_locations; ++i) { |
| BreakpointLocation *loc = GetLocationAtIndex(i, use_facade).get(); |
| loc->GetDescription(s, level); |
| s->EOL(); |
| } |
| s->IndentLess(); |
| } |
| } |
| |
| void Breakpoint::GetResolverDescription(Stream *s) { |
| if (m_resolver_sp) |
| m_resolver_sp->GetDescription(s); |
| } |
| |
| bool Breakpoint::GetMatchingFileLine(ConstString filename, uint32_t line_number, |
| BreakpointLocationCollection &loc_coll) { |
| // TODO: To be correct, this method needs to fill the breakpoint location |
| // collection |
| // with the location IDs which match the filename and line_number. |
| // |
| |
| if (m_resolver_sp) { |
| BreakpointResolverFileLine *resolverFileLine = |
| dyn_cast<BreakpointResolverFileLine>(m_resolver_sp.get()); |
| |
| // TODO: Handle SourceLocationSpec column information |
| if (resolverFileLine && |
| resolverFileLine->m_location_spec.GetFileSpec().GetFilename() == |
| filename && |
| resolverFileLine->m_location_spec.GetLine() == line_number) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| void Breakpoint::GetFilterDescription(Stream *s) { |
| m_filter_sp->GetDescription(s); |
| } |
| |
| bool Breakpoint::EvaluatePrecondition(StoppointCallbackContext &context) { |
| if (!m_precondition_sp) |
| return true; |
| |
| return m_precondition_sp->EvaluatePrecondition(context); |
| } |
| |
| void Breakpoint::SendBreakpointChangedEvent( |
| lldb::BreakpointEventType eventKind) { |
| if (!IsInternal() && GetTarget().EventTypeHasListeners( |
| Target::eBroadcastBitBreakpointChanged)) { |
| std::shared_ptr<BreakpointEventData> data = |
| std::make_shared<BreakpointEventData>(eventKind, shared_from_this()); |
| |
| GetTarget().BroadcastEvent(Target::eBroadcastBitBreakpointChanged, data); |
| } |
| } |
| |
| void Breakpoint::SendBreakpointChangedEvent( |
| const lldb::EventDataSP &breakpoint_data_sp) { |
| if (!breakpoint_data_sp) |
| return; |
| |
| if (!IsInternal() && |
| GetTarget().EventTypeHasListeners(Target::eBroadcastBitBreakpointChanged)) |
| GetTarget().BroadcastEvent(Target::eBroadcastBitBreakpointChanged, |
| breakpoint_data_sp); |
| } |
| |
| const char *Breakpoint::BreakpointEventTypeAsCString(BreakpointEventType type) { |
| switch (type) { |
| case eBreakpointEventTypeInvalidType: |
| return "invalid"; |
| case eBreakpointEventTypeAdded: |
| return "breakpoint added"; |
| case eBreakpointEventTypeRemoved: |
| return "breakpoint removed"; |
| case eBreakpointEventTypeLocationsAdded: |
| return "locations added"; |
| case eBreakpointEventTypeLocationsRemoved: |
| return "locations removed"; |
| case eBreakpointEventTypeLocationsResolved: |
| return "locations resolved"; |
| case eBreakpointEventTypeEnabled: |
| return "breakpoint enabled"; |
| case eBreakpointEventTypeDisabled: |
| return "breakpoint disabled"; |
| case eBreakpointEventTypeCommandChanged: |
| return "command changed"; |
| case eBreakpointEventTypeConditionChanged: |
| return "condition changed"; |
| case eBreakpointEventTypeIgnoreChanged: |
| return "ignore count changed"; |
| case eBreakpointEventTypeThreadChanged: |
| return "thread changed"; |
| case eBreakpointEventTypeAutoContinueChanged: |
| return "autocontinue changed"; |
| }; |
| llvm_unreachable("Fully covered switch above!"); |
| } |
| |
| Log *Breakpoint::BreakpointEventData::GetLogChannel() { |
| return GetLog(LLDBLog::Breakpoints); |
| } |
| |
| Breakpoint::BreakpointEventData::BreakpointEventData( |
| BreakpointEventType sub_type, const BreakpointSP &new_breakpoint_sp) |
| : m_breakpoint_event(sub_type), m_new_breakpoint_sp(new_breakpoint_sp) {} |
| |
| Breakpoint::BreakpointEventData::~BreakpointEventData() = default; |
| |
| llvm::StringRef Breakpoint::BreakpointEventData::GetFlavorString() { |
| return "Breakpoint::BreakpointEventData"; |
| } |
| |
| llvm::StringRef Breakpoint::BreakpointEventData::GetFlavor() const { |
| return BreakpointEventData::GetFlavorString(); |
| } |
| |
| BreakpointSP Breakpoint::BreakpointEventData::GetBreakpoint() const { |
| return m_new_breakpoint_sp; |
| } |
| |
| BreakpointEventType |
| Breakpoint::BreakpointEventData::GetBreakpointEventType() const { |
| return m_breakpoint_event; |
| } |
| |
| void Breakpoint::BreakpointEventData::Dump(Stream *s) const { |
| if (!s) |
| return; |
| BreakpointEventType event_type = GetBreakpointEventType(); |
| break_id_t bkpt_id = GetBreakpoint()->GetID(); |
| s->Format("bkpt: {0} type: {1}", bkpt_id, |
| BreakpointEventTypeAsCString(event_type)); |
| } |
| |
| const Breakpoint::BreakpointEventData * |
| Breakpoint::BreakpointEventData::GetEventDataFromEvent(const Event *event) { |
| if (event) { |
| const EventData *event_data = event->GetData(); |
| if (event_data && |
| event_data->GetFlavor() == BreakpointEventData::GetFlavorString()) |
| return static_cast<const BreakpointEventData *>(event->GetData()); |
| } |
| return nullptr; |
| } |
| |
| BreakpointEventType |
| Breakpoint::BreakpointEventData::GetBreakpointEventTypeFromEvent( |
| const EventSP &event_sp) { |
| const BreakpointEventData *data = GetEventDataFromEvent(event_sp.get()); |
| |
| if (data == nullptr) |
| return eBreakpointEventTypeInvalidType; |
| return data->GetBreakpointEventType(); |
| } |
| |
| BreakpointSP Breakpoint::BreakpointEventData::GetBreakpointFromEvent( |
| const EventSP &event_sp) { |
| BreakpointSP bp_sp; |
| |
| const BreakpointEventData *data = GetEventDataFromEvent(event_sp.get()); |
| if (data) |
| bp_sp = data->m_new_breakpoint_sp; |
| |
| return bp_sp; |
| } |
| |
| size_t Breakpoint::BreakpointEventData::GetNumBreakpointLocationsFromEvent( |
| const EventSP &event_sp) { |
| const BreakpointEventData *data = GetEventDataFromEvent(event_sp.get()); |
| if (data) |
| return data->m_locations.GetSize(); |
| |
| return 0; |
| } |
| |
| lldb::BreakpointLocationSP |
| Breakpoint::BreakpointEventData::GetBreakpointLocationAtIndexFromEvent( |
| const lldb::EventSP &event_sp, uint32_t bp_loc_idx) { |
| lldb::BreakpointLocationSP bp_loc_sp; |
| |
| const BreakpointEventData *data = GetEventDataFromEvent(event_sp.get()); |
| if (data) { |
| bp_loc_sp = data->m_locations.GetByIndex(bp_loc_idx); |
| } |
| |
| return bp_loc_sp; |
| } |
| |
| json::Value Breakpoint::GetStatistics() { |
| json::Object bp; |
| bp.try_emplace("id", GetID()); |
| bp.try_emplace("resolveTime", m_resolve_time.get().count()); |
| bp.try_emplace("numLocations", (int64_t)GetNumLocations()); |
| bp.try_emplace("numResolvedLocations", (int64_t)GetNumResolvedLocations()); |
| bp.try_emplace("hitCount", (int64_t)GetHitCount()); |
| bp.try_emplace("internal", IsInternal()); |
| if (!m_kind_description.empty()) |
| bp.try_emplace("kindDescription", m_kind_description); |
| // Put the full structured data for reproducing this breakpoint in a key/value |
| // pair named "details". This allows the breakpoint's details to be visible |
| // in the stats in case we need to reproduce a breakpoint that has long |
| // resolve times |
| StructuredData::ObjectSP bp_data_sp = SerializeToStructuredData(); |
| if (bp_data_sp) { |
| std::string buffer; |
| llvm::raw_string_ostream ss(buffer); |
| json::OStream json_os(ss); |
| bp_data_sp->Serialize(json_os); |
| if (auto expected_value = llvm::json::parse(buffer)) { |
| bp.try_emplace("details", std::move(*expected_value)); |
| } else { |
| std::string details_error = toString(expected_value.takeError()); |
| json::Object details; |
| details.try_emplace("error", details_error); |
| bp.try_emplace("details", std::move(details)); |
| } |
| } |
| return json::Value(std::move(bp)); |
| } |
| |
| void Breakpoint::ResetStatistics() { m_resolve_time.reset(); } |
