src/share/vm/oops/instanceKlassKlass.cpp

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   1 /*
   2  * Copyright (c) 1997, 2009, 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 "incls/_precompiled.incl"
  26 # include "incls/_instanceKlassKlass.cpp.incl"
























  27 
  28 klassOop instanceKlassKlass::create_klass(TRAPS) {
  29   instanceKlassKlass o;
  30   KlassHandle h_this_klass(THREAD, Universe::klassKlassObj());
  31   KlassHandle k = base_create_klass(h_this_klass, header_size(), o.vtbl_value(), CHECK_NULL);
  32   // Make sure size calculation is right
  33   assert(k()->size() == align_object_size(header_size()), "wrong size for object");
  34   java_lang_Class::create_mirror(k, CHECK_NULL); // Allocate mirror
  35   return k();
  36 }
  37 
  38 int instanceKlassKlass::oop_size(oop obj) const {
  39   assert(obj->is_klass(), "must be klass");
  40   return instanceKlass::cast(klassOop(obj))->object_size();
  41 }
  42 
  43 bool instanceKlassKlass::oop_is_parsable(oop obj) const {
  44   assert(obj->is_klass(), "must be klass");
  45   instanceKlass* ik = instanceKlass::cast(klassOop(obj));
  46   return (!ik->null_vtbl()) && ik->object_is_parsable();


   1 /*
   2  * Copyright (c) 1997, 2010, 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 "classfile/javaClasses.hpp"
  27 #include "classfile/systemDictionary.hpp"
  28 #include "gc_implementation/shared/markSweep.inline.hpp"
  29 #include "gc_interface/collectedHeap.inline.hpp"
  30 #include "interpreter/oopMapCache.hpp"
  31 #include "memory/gcLocker.hpp"
  32 #include "oops/constantPoolOop.hpp"
  33 #include "oops/instanceKlass.hpp"
  34 #include "oops/instanceKlassKlass.hpp"
  35 #include "oops/instanceRefKlass.hpp"
  36 #include "oops/objArrayKlassKlass.hpp"
  37 #include "oops/objArrayOop.hpp"
  38 #include "oops/oop.inline.hpp"
  39 #include "oops/oop.inline2.hpp"
  40 #include "oops/symbolOop.hpp"
  41 #include "oops/typeArrayOop.hpp"
  42 #include "prims/jvmtiExport.hpp"
  43 #include "runtime/fieldDescriptor.hpp"
  44 #ifndef SERIALGC
  45 #include "gc_implementation/parNew/parOopClosures.inline.hpp"
  46 #include "gc_implementation/parallelScavenge/psPromotionManager.inline.hpp"
  47 #include "gc_implementation/parallelScavenge/psScavenge.inline.hpp"
  48 #include "memory/cardTableRS.hpp"
  49 #include "oops/oop.pcgc.inline.hpp"
  50 #endif
  51 
  52 klassOop instanceKlassKlass::create_klass(TRAPS) {
  53   instanceKlassKlass o;
  54   KlassHandle h_this_klass(THREAD, Universe::klassKlassObj());
  55   KlassHandle k = base_create_klass(h_this_klass, header_size(), o.vtbl_value(), CHECK_NULL);
  56   // Make sure size calculation is right
  57   assert(k()->size() == align_object_size(header_size()), "wrong size for object");
  58   java_lang_Class::create_mirror(k, CHECK_NULL); // Allocate mirror
  59   return k();
  60 }
  61 
  62 int instanceKlassKlass::oop_size(oop obj) const {
  63   assert(obj->is_klass(), "must be klass");
  64   return instanceKlass::cast(klassOop(obj))->object_size();
  65 }
  66 
  67 bool instanceKlassKlass::oop_is_parsable(oop obj) const {
  68   assert(obj->is_klass(), "must be klass");
  69   instanceKlass* ik = instanceKlass::cast(klassOop(obj));
  70   return (!ik->null_vtbl()) && ik->object_is_parsable();