hotspot/src/share/vm/oops/klassPS.hpp
author coleenp
Fri, 23 Mar 2012 11:16:05 -0400
changeset 12263 d20640f4f8fe
parent 8297 f05d10c1c4b8
child 15482 470d0b0c09f1
permissions -rw-r--r--
7150058: Allocate symbols from null boot loader to an arena for NMT Summary: Move symbol allocation to an arena so NMT doesn't have to track them at startup. Reviewed-by: never, kamg, zgu

/*
 * Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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#ifndef SHARE_VM_OOPS_KLASSPS_HPP
#define SHARE_VM_OOPS_KLASSPS_HPP

  // Expands to Parallel Scavenge and Parallel Old declarations

#ifndef SERIALGC
#define PARALLEL_GC_DECLS \
  virtual void oop_push_contents(PSPromotionManager* pm, oop obj);          \
  /* Parallel Old GC support                                                \
                                                                            \
   The 2-arg version of oop_update_pointers is for objects that are         \
   known not to cross chunk boundaries.  The 4-arg version is for           \
   objects that do (or may) cross chunk boundaries; it updates only those   \
   oops that are in the region [beg_addr, end_addr).  */                    \
  virtual void oop_follow_contents(ParCompactionManager* cm, oop obj);      \
  virtual int  oop_update_pointers(ParCompactionManager* cm, oop obj);

// Pure virtual version for klass.hpp
#define PARALLEL_GC_DECLS_PV \
  virtual void oop_push_contents(PSPromotionManager* pm, oop obj) = 0;      \
  virtual void oop_follow_contents(ParCompactionManager* cm, oop obj) = 0;  \
  virtual int  oop_update_pointers(ParCompactionManager* cm, oop obj) = 0;
#else  // SERIALGC
#define PARALLEL_GC_DECLS
#define PARALLEL_GC_DECLS_PV
#endif // SERIALGC

#endif // SHARE_VM_OOPS_KLASSPS_HPP