src/share/vm/oops/oop.pcgc.inline.hpp

Print this page


   1 /*
   2  * Copyright (c) 2005, 2008, 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 inline void oopDesc::update_contents(ParCompactionManager* cm) {
  26   // The klass field must be updated before anything else
  27   // can be done.
  28   DEBUG_ONLY(klassOopDesc* original_klass = klass());
  29 
  30   // Can the option to update and/or copy be moved up in the
  31   // call chain to avoid calling into here?
  32 
  33   if (PSParallelCompact::should_update_klass(klass())) {
  34     update_header();
  35     assert(klass()->is_klass(), "Not updated correctly");
  36   } else {
  37     assert(klass()->is_klass(), "Not updated");
  38   }
  39 
  40   Klass* new_klass = blueprint();
  41   if (!new_klass->oop_is_typeArray()) {
  42     // It might contain oops beyond the header, so take the virtual call.
  43     new_klass->oop_update_pointers(cm, this);
  44   }


 116   }
 117   return forwardee();
 118 }
 119 
 120 inline void oopDesc::update_header() {
 121   if (UseCompressedOops) {
 122     PSParallelCompact::adjust_pointer(compressed_klass_addr());
 123   } else {
 124     PSParallelCompact::adjust_pointer(klass_addr());
 125   }
 126 }
 127 
 128 inline void oopDesc::update_header(HeapWord* beg_addr, HeapWord* end_addr) {
 129   if (UseCompressedOops) {
 130     PSParallelCompact::adjust_pointer(compressed_klass_addr(),
 131                                       beg_addr, end_addr);
 132   } else {
 133     PSParallelCompact::adjust_pointer(klass_addr(), beg_addr, end_addr);
 134   }
 135 }


   1 /*
   2  * Copyright (c) 2005, 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 #ifndef SHARE_VM_OOPS_OOP_PCGC_INLINE_HPP
  26 #define SHARE_VM_OOPS_OOP_PCGC_INLINE_HPP
  27 
  28 #ifndef SERIALGC
  29 #include "gc_implementation/parNew/parNewGeneration.hpp"
  30 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp"
  31 #include "gc_implementation/parallelScavenge/psCompactionManager.hpp"
  32 #include "gc_implementation/parallelScavenge/psParallelCompact.hpp"
  33 #include "gc_implementation/parallelScavenge/psScavenge.hpp"
  34 #include "gc_implementation/parallelScavenge/psScavenge.inline.hpp"
  35 #endif
  36 
  37 inline void oopDesc::update_contents(ParCompactionManager* cm) {
  38   // The klass field must be updated before anything else
  39   // can be done.
  40   DEBUG_ONLY(klassOopDesc* original_klass = klass());
  41 
  42   // Can the option to update and/or copy be moved up in the
  43   // call chain to avoid calling into here?
  44 
  45   if (PSParallelCompact::should_update_klass(klass())) {
  46     update_header();
  47     assert(klass()->is_klass(), "Not updated correctly");
  48   } else {
  49     assert(klass()->is_klass(), "Not updated");
  50   }
  51 
  52   Klass* new_klass = blueprint();
  53   if (!new_klass->oop_is_typeArray()) {
  54     // It might contain oops beyond the header, so take the virtual call.
  55     new_klass->oop_update_pointers(cm, this);
  56   }


 128   }
 129   return forwardee();
 130 }
 131 
 132 inline void oopDesc::update_header() {
 133   if (UseCompressedOops) {
 134     PSParallelCompact::adjust_pointer(compressed_klass_addr());
 135   } else {
 136     PSParallelCompact::adjust_pointer(klass_addr());
 137   }
 138 }
 139 
 140 inline void oopDesc::update_header(HeapWord* beg_addr, HeapWord* end_addr) {
 141   if (UseCompressedOops) {
 142     PSParallelCompact::adjust_pointer(compressed_klass_addr(),
 143                                       beg_addr, end_addr);
 144   } else {
 145     PSParallelCompact::adjust_pointer(klass_addr(), beg_addr, end_addr);
 146   }
 147 }
 148 
 149 #endif // SHARE_VM_OOPS_OOP_PCGC_INLINE_HPP