view src/share/vm/memory/oopFactory.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 f2110083203d
children
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/*
 * Copyright (c) 1997, 2013, 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_MEMORY_OOPFACTORY_HPP
#define SHARE_VM_MEMORY_OOPFACTORY_HPP

#include "classfile/symbolTable.hpp"
#include "classfile/systemDictionary.hpp"
#include "memory/referenceType.hpp"
#include "memory/universe.hpp"
#include "oops/objArrayKlass.hpp"
#include "oops/oop.hpp"
#include "oops/typeArrayKlass.hpp"
#include "utilities/growableArray.hpp"

// oopFactory is a class used for creating new objects.

class vframeArray;

class oopFactory: AllStatic {
 public:
  // Basic type leaf array allocation
  static typeArrayOop    new_boolArray  (int length, TRAPS) { return TypeArrayKlass::cast(Universe::boolArrayKlassObj  ())->allocate(length, CHECK_NULL); }
  static typeArrayOop    new_charArray  (int length, TRAPS) { return TypeArrayKlass::cast(Universe::charArrayKlassObj  ())->allocate(length, CHECK_NULL); }
  static typeArrayOop    new_singleArray(int length, TRAPS) { return TypeArrayKlass::cast(Universe::singleArrayKlassObj())->allocate(length, CHECK_NULL); }
  static typeArrayOop    new_doubleArray(int length, TRAPS) { return TypeArrayKlass::cast(Universe::doubleArrayKlassObj())->allocate(length, CHECK_NULL); }
  static typeArrayOop    new_byteArray  (int length, TRAPS) { return TypeArrayKlass::cast(Universe::byteArrayKlassObj  ())->allocate(length, CHECK_NULL); }
  static typeArrayOop    new_shortArray (int length, TRAPS) { return TypeArrayKlass::cast(Universe::shortArrayKlassObj ())->allocate(length, CHECK_NULL); }
  static typeArrayOop    new_intArray   (int length, TRAPS) { return TypeArrayKlass::cast(Universe::intArrayKlassObj   ())->allocate(length, CHECK_NULL); }
  static typeArrayOop    new_longArray  (int length, TRAPS) { return TypeArrayKlass::cast(Universe::longArrayKlassObj  ())->allocate(length, CHECK_NULL); }

  // create java.lang.Object[]
  static objArrayOop     new_objectArray(int length, TRAPS)  {
    assert(Universe::objectArrayKlassObj() != NULL, "Too early?");
    return ObjArrayKlass::
      cast(Universe::objectArrayKlassObj())->allocate(length, CHECK_NULL);
  }

  static typeArrayOop    new_charArray           (const char* utf8_str,  TRAPS);
  static typeArrayOop    new_tenured_charArray(int length, TRAPS);

  static typeArrayOop    new_typeArray(BasicType type, int length, TRAPS);
  static typeArrayOop    new_typeArray_nozero(BasicType type, int length, TRAPS);
  static typeArrayOop    new_metaDataArray(int length, TRAPS);

  // Regular object arrays
  static objArrayOop     new_objArray(Klass* klass, int length, TRAPS);
};

#endif // SHARE_VM_MEMORY_OOPFACTORY_HPP