31 //
  32 // This class represents an exception handler for a method.
  33 
  34 // ------------------------------------------------------------------
  35 // ciExceptionHandler::catch_klass
  36 //
  37 // Get the exception klass that this handler catches.
  38 ciInstanceKlass* ciExceptionHandler::catch_klass() {
  39   VM_ENTRY_MARK;
  40   assert(!is_catch_all(), "bad index");
  41   if (_catch_klass == NULL) {
  42     bool will_link;
  43     assert(_loading_klass->get_instanceKlass()->is_linked(), "must be linked before accessing constant pool");
  44     constantPoolHandle cpool(_loading_klass->get_instanceKlass()->constants());
  45     ciKlass* k = CURRENT_ENV->get_klass_by_index(cpool,
  46                                                  _catch_klass_index,
  47                                                  will_link,
  48                                                  _loading_klass);
  49     if (!will_link && k->is_loaded()) {
  50       GUARDED_VM_ENTRY(
  51         k = CURRENT_ENV->get_unloaded_klass(_loading_klass, k->name());
  52       )
  53     }
  54     _catch_klass = k->as_instance_klass();
  55   }
  56   return _catch_klass;
  57 }
  58 
  59 // ------------------------------------------------------------------
  60 // ciExceptionHandler::print()
  61 void ciExceptionHandler::print() {
  62   tty->print("<ciExceptionHandler start=%d limit=%d"
  63              " handler_bci=%d ex_klass_index=%d",
  64              start(), limit(), handler_bci(), catch_klass_index());
  65   if (_catch_klass != NULL) {
  66     tty->print(" ex_klass=");
  67     _catch_klass->print();
  68   }
  69   tty->print(">");
  70 }

  31 //
  32 // This class represents an exception handler for a method.
  33 
  34 // ------------------------------------------------------------------
  35 // ciExceptionHandler::catch_klass
  36 //
  37 // Get the exception klass that this handler catches.
  38 ciInstanceKlass* ciExceptionHandler::catch_klass() {
  39   VM_ENTRY_MARK;
  40   assert(!is_catch_all(), "bad index");
  41   if (_catch_klass == NULL) {
  42     bool will_link;
  43     assert(_loading_klass->get_instanceKlass()->is_linked(), "must be linked before accessing constant pool");
  44     constantPoolHandle cpool(_loading_klass->get_instanceKlass()->constants());
  45     ciKlass* k = CURRENT_ENV->get_klass_by_index(cpool,
  46                                                  _catch_klass_index,
  47                                                  will_link,
  48                                                  _loading_klass);
  49     if (!will_link && k->is_loaded()) {
  50       GUARDED_VM_ENTRY(
  51         k = CURRENT_ENV->get_unloaded_klass(_loading_klass, k->name(), false);
  52       )
  53     }
  54     _catch_klass = k->as_instance_klass();
  55   }
  56   return _catch_klass;
  57 }
  58 
  59 // ------------------------------------------------------------------
  60 // ciExceptionHandler::print()
  61 void ciExceptionHandler::print() {
  62   tty->print("<ciExceptionHandler start=%d limit=%d"
  63              " handler_bci=%d ex_klass_index=%d",
  64              start(), limit(), handler_bci(), catch_klass_index());
  65   if (_catch_klass != NULL) {
  66     tty->print(" ex_klass=");
  67     _catch_klass->print();
  68   }
  69   tty->print(">");
  70 }