C++ ModuleList::GetModuleAtIndexUnlocked方法代码示例

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);
//.........这里部分代码省略.........