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/metaspaceShared.hpp"
  28 #include "memory/metaspace/printMetaspaceInfoKlassClosure.hpp"
  29 #include "memory/resourceArea.hpp"
  30 #include "oops/reflectionAccessorImplKlassHelper.hpp"
  31 #include "utilities/globalDefinitions.hpp"
  32 #include "utilities/ostream.hpp"
  33 
  34 
  35 namespace metaspace {
  36 
  37 PrintMetaspaceInfoKlassClosure::PrintMetaspaceInfoKlassClosure(outputStream* out, bool do_print)
  38 : _out(out), _cnt(0)
  39 {}
  40 
  41 void PrintMetaspaceInfoKlassClosure::do_klass(Klass* k) {
  42   _cnt ++;
  43   _out->cr_indent();
  44   _out->print(UINTX_FORMAT_W(4) ": ", _cnt);
  45 
  46   // Print a 's' for shared classes
  47   _out->put(k->is_shared() ? 's': ' ');
  48 
  49   ResourceMark rm;
  50   _out->print("  %s", k->external_name());
  51 
  52   // Special treatment for generated core reflection accessor classes: print invocation target.
  53   if (ReflectionAccessorImplKlassHelper::is_generated_accessor(k)) {
  54     _out->print(" (invokes: ");
  55     ReflectionAccessorImplKlassHelper::print_invocation_target(_out, k);
  56     _out->print(")");
  57   }
  58 }
  59 
  60 } // namespace metaspace