1 /*
   2  * Copyright (c) 1998, 2017, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "oops/compiledICHolder.hpp"
  27 #include "oops/klass.hpp"
  28 #include "oops/method.hpp"
  29 #include "oops/oop.inline2.hpp"
  30 
  31 volatile int CompiledICHolder::_live_count;
  32 volatile int CompiledICHolder::_live_not_claimed_count;
  33 
  34 
  35 bool CompiledICHolder::is_loader_alive(BoolObjectClosure* is_alive) {
  36   if (_holder_metadata->is_method()) {
  37     if (!((Method*)_holder_metadata)->method_holder()->is_loader_alive(is_alive)) {
  38       return false;
  39     }
  40   } else if (_holder_metadata->is_klass()) {
  41     if (!((Klass*)_holder_metadata)->is_loader_alive(is_alive)) {
  42       return false;
  43     }
  44   }
  45   if (!_holder_klass->is_loader_alive(is_alive)) {
  46     return false;
  47   }
  48   return true;
  49 }
  50 
  51 // Printing
  52 
  53 void CompiledICHolder::print_on(outputStream* st) const {
  54   st->print("%s", internal_name());
  55   st->print(" - metadata: "); holder_metadata()->print_value_on(st); st->cr();
  56   st->print(" - klass:    "); holder_klass()->print_value_on(st); st->cr();
  57 }
  58 
  59 void CompiledICHolder::print_value_on(outputStream* st) const {
  60   st->print("%s", internal_name());
  61 }
  62 
  63 
  64 // Verification
  65 
  66 void CompiledICHolder::verify_on(outputStream* st) {
  67   guarantee(holder_metadata()->is_method() || holder_metadata()->is_klass(), "should be method or klass");
  68   guarantee(holder_klass()->is_klass(),   "should be klass");
  69 }