ThreadSP OperatingSystemPython::CreateThreadFromThreadInfo(
    StructuredData::Dictionary &thread_dict, ThreadList &core_thread_list,
    ThreadList &old_thread_list, std::vector<bool> &core_used_map,
    bool *did_create_ptr) {
  ThreadSP thread_sp;
  tid_t tid = LLDB_INVALID_THREAD_ID;
  if (!thread_dict.GetValueForKeyAsInteger("tid", tid))
    return ThreadSP();

  uint32_t core_number;
  addr_t reg_data_addr;
  llvm::StringRef name;
  llvm::StringRef queue;

  thread_dict.GetValueForKeyAsInteger("core", core_number, UINT32_MAX);
  thread_dict.GetValueForKeyAsInteger("register_data_addr", reg_data_addr,
                                      LLDB_INVALID_ADDRESS);
  thread_dict.GetValueForKeyAsString("name", name);
  thread_dict.GetValueForKeyAsString("queue", queue);

  // See if a thread already exists for "tid"
  thread_sp = old_thread_list.FindThreadByID(tid, false);
  if (thread_sp) {
    // A thread already does exist for "tid", make sure it was an operating
    // system
    // plug-in generated thread.
    if (!IsOperatingSystemPluginThread(thread_sp)) {
      // We have thread ID overlap between the protocol threads and the
      // operating system threads, clear the thread so we create an operating
      // system thread for this.
      thread_sp.reset();
    }
  }

  if (!thread_sp) {
    if (did_create_ptr)
      *did_create_ptr = true;
    thread_sp = std::make_shared<ThreadMemory>(*m_process, tid, name, queue,
                                               reg_data_addr);
  }

  if (core_number < core_thread_list.GetSize(false)) {
    ThreadSP core_thread_sp(
        core_thread_list.GetThreadAtIndex(core_number, false));
    if (core_thread_sp) {
      // Keep track of which cores were set as the backing thread for memory
      // threads...
      if (core_number < core_used_map.size())
        core_used_map[core_number] = true;

      ThreadSP backing_core_thread_sp(core_thread_sp->GetBackingThread());
      if (backing_core_thread_sp) {
        thread_sp->SetBackingThread(backing_core_thread_sp);
      } else {
        thread_sp->SetBackingThread(core_thread_sp);
      }
    }
  }
  return thread_sp;
}
示例#2
0
std::unique_ptr<ThreadSpec> ThreadSpec::CreateFromStructuredData(
    const StructuredData::Dictionary &spec_dict, Status &error) {
  uint32_t index = UINT32_MAX;
  lldb::tid_t tid = LLDB_INVALID_THREAD_ID;
  llvm::StringRef name;
  llvm::StringRef queue_name;

  std::unique_ptr<ThreadSpec> thread_spec_up(new ThreadSpec());
  bool success = spec_dict.GetValueForKeyAsInteger(
      GetKey(OptionNames::ThreadIndex), index);
  if (success)
    thread_spec_up->SetIndex(index);

  success =
      spec_dict.GetValueForKeyAsInteger(GetKey(OptionNames::ThreadID), tid);
  if (success)
    thread_spec_up->SetTID(tid);

  success =
      spec_dict.GetValueForKeyAsString(GetKey(OptionNames::ThreadName), name);
  if (success)
    thread_spec_up->SetName(name);

  success = spec_dict.GetValueForKeyAsString(GetKey(OptionNames::ThreadName),
                                             queue_name);
  if (success)
    thread_spec_up->SetQueueName(queue_name);

  return thread_spec_up;
}