| //===-- Breakpoint.cpp ------------------------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| |
| // C Includes |
| // C++ Includes |
| // Other libraries and framework includes |
| // Project includes |
| |
| #include "lldb/Core/Address.h" |
| #include "lldb/Breakpoint/Breakpoint.h" |
| #include "lldb/Breakpoint/BreakpointLocation.h" |
| #include "lldb/Breakpoint/BreakpointLocationCollection.h" |
| #include "lldb/Breakpoint/BreakpointResolver.h" |
| #include "lldb/Breakpoint/BreakpointResolverFileLine.h" |
| #include "lldb/Core/Log.h" |
| #include "lldb/Core/Module.h" |
| #include "lldb/Core/ModuleList.h" |
| #include "lldb/Core/SearchFilter.h" |
| #include "lldb/Core/Section.h" |
| #include "lldb/Core/Stream.h" |
| #include "lldb/Core/StreamString.h" |
| #include "lldb/Symbol/CompileUnit.h" |
| #include "lldb/Symbol/Function.h" |
| #include "lldb/Symbol/SymbolContext.h" |
| #include "lldb/Target/Target.h" |
| #include "lldb/Target/ThreadSpec.h" |
| #include "llvm/Support/Casting.h" |
| |
| using namespace lldb; |
| using namespace lldb_private; |
| using namespace llvm; |
| |
| const ConstString & |
| Breakpoint::GetEventIdentifier () |
| { |
| static ConstString g_identifier("event-identifier.breakpoint.changed"); |
| return g_identifier; |
| } |
| |
| //---------------------------------------------------------------------- |
| // Breakpoint constructor |
| //---------------------------------------------------------------------- |
| Breakpoint::Breakpoint(Target &target, |
| SearchFilterSP &filter_sp, |
| BreakpointResolverSP &resolver_sp, |
| bool hardware, |
| bool resolve_indirect_symbols) : |
| m_being_created(true), |
| m_hardware(hardware), |
| m_target (target), |
| m_filter_sp (filter_sp), |
| m_resolver_sp (resolver_sp), |
| m_options (), |
| m_locations (*this), |
| m_resolve_indirect_symbols(resolve_indirect_symbols), |
| m_hit_count(0) |
| { |
| m_being_created = false; |
| } |
| |
| Breakpoint::Breakpoint (Target &new_target, Breakpoint &source_bp) : |
| m_being_created(true), |
| 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_count(0) |
| { |
| // Now go through and copy the filter & resolver: |
| m_resolver_sp = source_bp.m_resolver_sp->CopyForBreakpoint(*this); |
| m_filter_sp = source_bp.m_filter_sp->CopyForBreakpoint(*this); |
| } |
| |
| //---------------------------------------------------------------------- |
| // Destructor |
| //---------------------------------------------------------------------- |
| Breakpoint::~Breakpoint() |
| { |
| } |
| |
| const lldb::TargetSP |
| Breakpoint::GetTargetSP () |
| { |
| return m_target.shared_from_this(); |
| } |
| |
| bool |
| Breakpoint::IsInternal () const |
| { |
| return LLDB_BREAK_ID_IS_INTERNAL(m_bid); |
| } |
| |
| BreakpointLocationSP |
| Breakpoint::AddLocation (const Address &addr, bool *new_location) |
| { |
| return m_locations.AddLocation (addr, m_resolve_indirect_symbols, new_location); |
| } |
| |
| 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) |
| { |
| return m_locations.FindByID(bp_loc_id); |
| } |
| |
| BreakpointLocationSP |
| Breakpoint::GetLocationAtIndex (size_t index) |
| { |
| return m_locations.GetByIndex(index); |
| } |
| |
| void |
| Breakpoint::RemoveInvalidLocations (const ArchSpec &arch) |
| { |
| 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(); |
| } |
| |
| bool |
| Breakpoint::IgnoreCountShouldStop () |
| { |
| uint32_t ignore = GetIgnoreCount(); |
| if (ignore != 0) |
| { |
| // When we get here we know the location that caused the stop doesn't have an ignore count, |
| // since by contract we call it first... So we don't have to find & decrement it, we only have |
| // to decrement our own ignore count. |
| DecrementIgnoreCount(); |
| return false; |
| } |
| else |
| return true; |
| } |
| |
| uint32_t |
| Breakpoint::GetHitCount () const |
| { |
| return m_hit_count; |
| } |
| |
| bool |
| Breakpoint::IsOneShot () const |
| { |
| return m_options.IsOneShot(); |
| } |
| |
| void |
| Breakpoint::SetOneShot (bool one_shot) |
| { |
| m_options.SetOneShot (one_shot); |
| } |
| |
| 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() == NULL) |
| return LLDB_INVALID_THREAD_ID; |
| else |
| 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() == NULL) |
| return 0; |
| else |
| return m_options.GetThreadSpecNoCreate()->GetIndex(); |
| } |
| |
| void |
| Breakpoint::SetThreadName (const char *thread_name) |
| { |
| if (m_options.GetThreadSpec()->GetName() != NULL |
| && ::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() == NULL) |
| return NULL; |
| else |
| return m_options.GetThreadSpecNoCreate()->GetName(); |
| } |
| |
| void |
| Breakpoint::SetQueueName (const char *queue_name) |
| { |
| if (m_options.GetThreadSpec()->GetQueueName() != NULL |
| && ::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() == NULL) |
| return NULL; |
| else |
| return m_options.GetThreadSpecNoCreate()->GetQueueName(); |
| } |
| |
| void |
| Breakpoint::SetCondition (const char *condition) |
| { |
| m_options.SetCondition (condition); |
| SendBreakpointChangedEvent (eBreakpointEventTypeConditionChanged); |
| } |
| |
| const char * |
| Breakpoint::GetConditionText () const |
| { |
| return m_options.GetConditionText(); |
| } |
| |
| // 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 goes out of scope. |
| m_options.SetCallback(callback, BatonSP (new Baton(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; |
| } |
| |
| void |
| Breakpoint::ResolveBreakpoint () |
| { |
| if (m_resolver_sp) |
| m_resolver_sp->ResolveBreakpoint(*m_filter_sp); |
| } |
| |
| void |
| Breakpoint::ResolveBreakpointInModules (ModuleList &module_list, BreakpointLocationCollection &new_locations) |
| { |
| 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) |
| { |
| BreakpointEventData *new_locations_event = new BreakpointEventData (eBreakpointEventTypeLocationsAdded, |
| shared_from_this()); |
| |
| ResolveBreakpointInModules (module_list, new_locations_event->GetBreakpointLocationCollection()); |
| |
| if (new_locations_event->GetBreakpointLocationCollection().GetSize() != 0) |
| { |
| SendBreakpointChangedEvent (new_locations_event); |
| } |
| else |
| delete new_locations_event; |
| } |
| else |
| { |
| 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 (lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_BREAKPOINTS)); |
| if (log) |
| log->Printf ("Breakpoint::ModulesChanged: num_modules: %zu load: %i delete_locations: %i\n", |
| module_list.GetSize(), load, delete_locations); |
| |
| Mutex::Locker modules_mutex(module_list.GetMutex()); |
| 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.ModulesNoLocking()) |
| { |
| bool seen = false; |
| if (!m_filter_sp->ModulePasses (module_sp)) |
| continue; |
| |
| for (BreakpointLocationSP break_loc_sp : m_locations.BreakpointLocations()) |
| { |
| if (!break_loc_sp->IsEnabled()) |
| continue; |
| SectionSP section_sp (break_loc_sp->GetAddress().GetSection()); |
| if (!section_sp || section_sp->GetModule() == module_sp) |
| { |
| if (!seen) |
| seen = true; |
| |
| if (!break_loc_sp->ResolveBreakpointSite()) |
| { |
| if (log) |
| log->Printf ("Warning: could not set breakpoint site for breakpoint location %d of breakpoint %d.\n", |
| break_loc_sp->GetID(), GetID()); |
| } |
| } |
| } |
| |
| 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. |
| |
| BreakpointEventData *removed_locations_event; |
| if (!IsInternal()) |
| removed_locations_event = new BreakpointEventData (eBreakpointEventTypeLocationsRemoved, |
| shared_from_this()); |
| else |
| removed_locations_event = NULL; |
| |
| size_t num_modules = module_list.GetSize(); |
| for (size_t i = 0; i < num_modules; i++) |
| { |
| ModuleSP module_sp (module_list.GetModuleAtIndexUnlocked (i)); |
| 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 |
| break_loc_sp->ClearBreakpointSite(); |
| 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); |
| } |
| } |
| |
| namespace |
| { |
| 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 (FileSpec::Equal(*old_sc.comp_unit, *new_sc.comp_unit, true)) |
| { |
| // 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 (lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_BREAKPOINTS)); |
| if (log) |
| log->Printf ("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()) |
| { |
| sort(old_id_vec.begin(), old_id_vec.end()); |
| sort(new_id_vec.begin(), new_id_vec.end()); |
| 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. |
| |
| BreakpointEventData *locations_event; |
| if (!IsInternal()) |
| locations_event = new BreakpointEventData (eBreakpointEventTypeLocationsRemoved, |
| shared_from_this()); |
| else |
| locations_event = NULL; |
| |
| for (BreakpointLocationSP loc_sp : locations_to_remove.BreakpointLocations()) |
| { |
| m_locations.RemoveLocation(loc_sp); |
| if (locations_event) |
| locations_event->GetBreakpointLocationCollection().Add(loc_sp); |
| } |
| SendBreakpointChangedEvent (locations_event); |
| |
| // And announce the new ones. |
| |
| if (!IsInternal()) |
| { |
| locations_event = new BreakpointEventData (eBreakpointEventTypeLocationsAdded, |
| shared_from_this()); |
| for (BreakpointLocationSP loc_sp : locations_to_announce.BreakpointLocations()) |
| locations_event->GetBreakpointLocationCollection().Add(loc_sp); |
| |
| SendBreakpointChangedEvent (locations_event); |
| } |
| m_locations.Compact(); |
| } |
| } |
| |
| void |
| Breakpoint::Dump (Stream *) |
| { |
| } |
| |
| size_t |
| Breakpoint::GetNumResolvedLocations() const |
| { |
| // Return the number of breakpoints that are actually resolved and set |
| // down in the inferior process. |
| return m_locations.GetNumResolvedLocations(); |
| } |
| |
| size_t |
| Breakpoint::GetNumLocations() const |
| { |
| return m_locations.GetSize(); |
| } |
| |
| bool |
| Breakpoint::AddName (const char *new_name, Error &error) |
| { |
| if (!new_name) |
| return false; |
| if (!BreakpointID::StringIsBreakpointName(new_name, error)) |
| { |
| error.SetErrorStringWithFormat("input name \"%s\" not a breakpoint name.", new_name); |
| return false; |
| } |
| if (!error.Success()) |
| return false; |
| |
| m_name_list.insert(new_name); |
| return true; |
| } |
| |
| void |
| Breakpoint::GetDescription (Stream *s, lldb::DescriptionLevel level, bool show_locations) |
| { |
| assert (s != NULL); |
| |
| if (!m_kind_description.empty()) |
| { |
| if (level == eDescriptionLevelBrief) |
| { |
| s->PutCString (GetBreakpointKind()); |
| return; |
| } |
| else |
| s->Printf("Kind: %s\n", GetBreakpointKind ()); |
| } |
| |
| const size_t num_locations = GetNumLocations (); |
| const size_t num_resolved_locations = GetNumResolvedLocations (); |
| |
| // 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)"); |
| } |
| |
| GetOptions()->GetDescription(s, level); |
| |
| if (level == lldb::eDescriptionLevelFull) |
| { |
| if (!m_name_list.empty()) |
| { |
| s->EOL(); |
| s->Indent(); |
| s->Printf ("Names:"); |
| s->EOL(); |
| s->IndentMore(); |
| for (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 == false) |
| { |
| // There is only one location, so we'll just print that location information. |
| GetLocationAtIndex(0)->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(); |
| GetOptions()->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) |
| { |
| s->IndentMore(); |
| for (size_t i = 0; i < num_locations; ++i) |
| { |
| BreakpointLocation *loc = GetLocationAtIndex(i).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 (const 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()); |
| if (resolverFileLine && |
| resolverFileLine->m_file_spec.GetFilename() == filename && |
| resolverFileLine->m_line_number == 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); |
| } |
| |
| bool |
| Breakpoint::BreakpointPrecondition::EvaluatePrecondition(StoppointCallbackContext &context) |
| { |
| return true; |
| } |
| |
| void |
| Breakpoint::BreakpointPrecondition::DescribePrecondition(Stream &stream, lldb::DescriptionLevel level) |
| { |
| } |
| |
| Error |
| Breakpoint::BreakpointPrecondition::ConfigurePrecondition(Args &options) |
| { |
| Error error; |
| error.SetErrorString("Base breakpoint precondition has no options."); |
| return error; |
| } |
| |
| void |
| Breakpoint::SendBreakpointChangedEvent (lldb::BreakpointEventType eventKind) |
| { |
| if (!m_being_created |
| && !IsInternal() |
| && GetTarget().EventTypeHasListeners(Target::eBroadcastBitBreakpointChanged)) |
| { |
| BreakpointEventData *data = new Breakpoint::BreakpointEventData (eventKind, shared_from_this()); |
| |
| GetTarget().BroadcastEvent (Target::eBroadcastBitBreakpointChanged, data); |
| } |
| } |
| |
| void |
| Breakpoint::SendBreakpointChangedEvent (BreakpointEventData *data) |
| { |
| |
| if (data == NULL) |
| return; |
| |
| if (!m_being_created |
| && !IsInternal() |
| && GetTarget().EventTypeHasListeners(Target::eBroadcastBitBreakpointChanged)) |
| GetTarget().BroadcastEvent (Target::eBroadcastBitBreakpointChanged, data); |
| else |
| delete data; |
| } |
| |
| Breakpoint::BreakpointEventData::BreakpointEventData (BreakpointEventType sub_type, |
| const BreakpointSP &new_breakpoint_sp) : |
| EventData (), |
| m_breakpoint_event (sub_type), |
| m_new_breakpoint_sp (new_breakpoint_sp) |
| { |
| } |
| |
| Breakpoint::BreakpointEventData::~BreakpointEventData () |
| { |
| } |
| |
| const ConstString & |
| Breakpoint::BreakpointEventData::GetFlavorString () |
| { |
| static ConstString g_flavor ("Breakpoint::BreakpointEventData"); |
| return g_flavor; |
| } |
| |
| const ConstString & |
| Breakpoint::BreakpointEventData::GetFlavor () const |
| { |
| return BreakpointEventData::GetFlavorString (); |
| } |
| |
| |
| BreakpointSP & |
| Breakpoint::BreakpointEventData::GetBreakpoint () |
| { |
| return m_new_breakpoint_sp; |
| } |
| |
| BreakpointEventType |
| Breakpoint::BreakpointEventData::GetBreakpointEventType () const |
| { |
| return m_breakpoint_event; |
| } |
| |
| void |
| Breakpoint::BreakpointEventData::Dump (Stream *s) const |
| { |
| } |
| |
| 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 NULL; |
| } |
| |
| BreakpointEventType |
| Breakpoint::BreakpointEventData::GetBreakpointEventTypeFromEvent (const EventSP &event_sp) |
| { |
| const BreakpointEventData *data = GetEventDataFromEvent (event_sp.get()); |
| |
| if (data == NULL) |
| return eBreakpointEventTypeInvalidType; |
| else |
| 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; |
| } |