+ tl->add(this, this->next_blocker_);
+}
+
+// Run a Check_script task.
+
+void
+Check_script::run(Workqueue*)
+{
+ Incremental_inputs* incremental_inputs = this->layout_->incremental_inputs();
+ gold_assert(incremental_inputs != NULL);
+ unsigned int arg_serial = this->input_reader_->arg_serial();
+ Script_info* script_info =
+ this->ibase_->get_script_info(this->input_file_index_);
+ Timespec mtime = this->input_reader_->get_mtime();
+ incremental_inputs->report_script(script_info, arg_serial, mtime);
+}
+
+// Class Check_library.
+
+Check_library::~Check_library()
+{
+ if (this->this_blocker_ != NULL)
+ delete this->this_blocker_;
+ // next_blocker_ is deleted by the task associated with the next
+ // input file.
+}
+
+// Return whether a Check_library task is runnable.
+
+Task_token*
+Check_library::is_runnable()
+{
+ if (this->this_blocker_ != NULL && this->this_blocker_->is_blocked())
+ return this->this_blocker_;
+ return NULL;
+}
+
+void
+Check_library::locks(Task_locker* tl)
+{
+ tl->add(this, this->next_blocker_);
+}
+
+// Run a Check_library task.
+
+void
+Check_library::run(Workqueue*)
+{
+ Incremental_inputs* incremental_inputs = this->layout_->incremental_inputs();
+ gold_assert(incremental_inputs != NULL);
+ Incremental_library* lib = this->ibase_->get_library(this->input_file_index_);
+ gold_assert(lib != NULL);
+ lib->copy_unused_symbols();
+ // FIXME: Check that unused symbols remain unused.
+ if (!lib->is_reported())
+ {
+ unsigned int lib_serial = lib->arg_serial();
+ unsigned int lib_index = lib->input_file_index();
+ Script_info* script_info = this->ibase_->get_script_info(lib_index);
+ incremental_inputs->report_archive_begin(lib, lib_serial, script_info);
+ }
+ incremental_inputs->report_archive_end(lib);
+}
+
+// Class Input_group.
+
+// When we delete an Input_group we can delete the archive
+// information.
+
+Input_group::~Input_group()
+{
+ for (Input_group::const_iterator p = this->begin();
+ p != this->end();
+ ++p)
+ delete *p;
+}
+
+// Class Start_group.
+
+Start_group::~Start_group()
+{
+ if (this->this_blocker_ != NULL)
+ delete this->this_blocker_;
+ // next_blocker_ is deleted by the task associated with the first
+ // file in the group.
+}
+
+// We need to wait for THIS_BLOCKER_ and unblock NEXT_BLOCKER_.
+
+Task_token*
+Start_group::is_runnable()
+{
+ if (this->this_blocker_ != NULL && this->this_blocker_->is_blocked())
+ return this->this_blocker_;
+ return NULL;
+}
+
+void
+Start_group::locks(Task_locker* tl)
+{
+ tl->add(this, this->next_blocker_);
+}
+
+// Store the number of undefined symbols we see now.
+
+void
+Start_group::run(Workqueue*)
+{
+ this->finish_group_->set_saw_undefined(this->symtab_->saw_undefined());