void
SearchFilter::SearchInModuleList (Searcher &searcher, ModuleList &modules)
{
SymbolContext empty_sc;
if (!m_target_sp)
return;
empty_sc.target_sp = m_target_sp;
if (searcher.GetDepth() == Searcher::eDepthTarget)
searcher.SearchCallback (*this, empty_sc, NULL, false);
else
{
Mutex::Locker modules_locker(modules.GetMutex());
const size_t numModules = modules.GetSize();
for (size_t i = 0; i < numModules; i++)
{
ModuleSP module_sp(modules.GetModuleAtIndexUnlocked(i));
if (ModulePasses(module_sp))
{
if (DoModuleIteration(module_sp, searcher) == Searcher::eCallbackReturnStop)
return;
}
}
}
}
void SearchFilter::SearchInModuleList(Searcher &searcher, ModuleList &modules) {
SymbolContext empty_sc;
if (!m_target_sp)
return;
empty_sc.target_sp = m_target_sp;
if (searcher.GetDepth() == lldb::eSearchDepthTarget)
searcher.SearchCallback(*this, empty_sc, nullptr, false);
else {
std::lock_guard<std::recursive_mutex> guard(modules.GetMutex());
const size_t numModules = modules.GetSize();
for (size_t i = 0; i < numModules; i++) {
ModuleSP module_sp(modules.GetModuleAtIndexUnlocked(i));
if (ModulePasses(module_sp)) {
if (DoModuleIteration(module_sp, searcher) ==
Searcher::eCallbackReturnStop)
return;
}
}
}
}
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);
std::lock_guard<std::recursive_mutex> guard(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 = nullptr;
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);
}
}
