1 /*
   2  * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright (c) 2018, SAP and/or its affiliates.
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This code is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License version 2 only, as
   8  * published by the Free Software Foundation.
   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *
  24  */
  25 #include "precompiled.hpp"
  26 
  27 #include "memory/metaspace/printMetaspaceInfoKlassClosure.hpp"
  28 #include "memory/resourceArea.hpp"
  29 #include "oops/reflectionAccessorImplKlassHelper.hpp"
  30 #include "utilities/globalDefinitions.hpp"
  31 #include "utilities/ostream.hpp"
  32 
  33 
  34 namespace metaspace {
  35 
  36 PrintMetaspaceInfoKlassClosure::PrintMetaspaceInfoKlassClosure(outputStream* out, bool do_print)
  37 : _out(out), _do_print(do_print)
  38 , _num_classes(0), _num_instance_classes(0), _num_array_classes(0) {
  39 }
  40 
  41 void PrintMetaspaceInfoKlassClosure::do_klass(Klass* k) {
  42   _num_classes ++;
  43   if (k->is_instance_klass()) {
  44     _num_instance_classes ++;
  45   } else if (k->is_array_klass()) {
  46     _num_array_classes ++;
  47   }
  48   if (_do_print) {
  49     _out->cr_indent();
  50     _out->print(UINTX_FORMAT_W(4) ": ", _num_classes);
  51     ResourceMark rm;
  52     _out->print("%s", k->external_name());
  53 
  54     // Special treatment for generated core reflection accessor classes: print invocation target.
  55     if (ReflectionAccessorImplKlassHelper::is_generated_accessor(k)) {
  56       _out->print(" (invokes: ");
  57       ReflectionAccessorImplKlassHelper::print_invocation_target(_out, k);
  58       _out->print(")");
  59     }
  60 
  61   }
  62 }
  63 
  64 } // namespace metaspace