view src/share/vm/gc_implementation/g1/g1Log.hpp @ 12233:40136aa2cdb1

8010722: assert: failed: heap size is too big for compressed oops Summary: Use conservative assumptions of required alignment for the various garbage collector components into account when determining the maximum heap size that supports compressed oops. Using this conservative value avoids several circular dependencies in the calculation. Reviewed-by: stefank, dholmes
author tschatzl
date Wed, 11 Sep 2013 16:25:02 +0200
parents 5c86f8211d1e
children
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/*
 * Copyright (c) 2012, 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
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 *
 */

#ifndef SHARE_VM_GC_IMPLEMENTATION_G1_G1LOG_HPP
#define SHARE_VM_GC_IMPLEMENTATION_G1_G1LOG_HPP

#include "memory/allocation.hpp"

class G1Log : public AllStatic {
  typedef enum {
    LevelNone,
    LevelFine,
    LevelFiner,
    LevelFinest
  } LogLevel;

  static LogLevel _level;

 public:
  inline static bool fine() {
    return _level >= LevelFine;
  }

  inline static bool finer() {
    return _level >= LevelFiner;
  }

  inline static bool finest() {
    return _level == LevelFinest;
  }

  static void init();
};

#endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1LOG_HPP