Thu, 26 Jun 2014 11:36:58 +0200
8047818: G1 HeapRegions can no longer be ContiguousSpaces
Summary: Change parent of G1OffsetTableContigSpace to CompactibleSpace, reimplement missing functionality
Reviewed-by: stefank, jmasa, tschatzl
1 /*
2 * Copyright (c) 1997, 2013, 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.
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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23 */
25 #ifndef SHARE_VM_MEMORY_OOPFACTORY_HPP
26 #define SHARE_VM_MEMORY_OOPFACTORY_HPP
28 #include "classfile/symbolTable.hpp"
29 #include "classfile/systemDictionary.hpp"
30 #include "memory/referenceType.hpp"
31 #include "memory/universe.hpp"
32 #include "oops/objArrayKlass.hpp"
33 #include "oops/oop.hpp"
34 #include "oops/typeArrayKlass.hpp"
35 #include "utilities/growableArray.hpp"
37 // oopFactory is a class used for creating new objects.
39 class vframeArray;
41 class oopFactory: AllStatic {
42 public:
43 // Basic type leaf array allocation
44 static typeArrayOop new_boolArray (int length, TRAPS) { return TypeArrayKlass::cast(Universe::boolArrayKlassObj ())->allocate(length, CHECK_NULL); }
45 static typeArrayOop new_charArray (int length, TRAPS) { return TypeArrayKlass::cast(Universe::charArrayKlassObj ())->allocate(length, CHECK_NULL); }
46 static typeArrayOop new_singleArray(int length, TRAPS) { return TypeArrayKlass::cast(Universe::singleArrayKlassObj())->allocate(length, CHECK_NULL); }
47 static typeArrayOop new_doubleArray(int length, TRAPS) { return TypeArrayKlass::cast(Universe::doubleArrayKlassObj())->allocate(length, CHECK_NULL); }
48 static typeArrayOop new_byteArray (int length, TRAPS) { return TypeArrayKlass::cast(Universe::byteArrayKlassObj ())->allocate(length, CHECK_NULL); }
49 static typeArrayOop new_shortArray (int length, TRAPS) { return TypeArrayKlass::cast(Universe::shortArrayKlassObj ())->allocate(length, CHECK_NULL); }
50 static typeArrayOop new_intArray (int length, TRAPS) { return TypeArrayKlass::cast(Universe::intArrayKlassObj ())->allocate(length, CHECK_NULL); }
51 static typeArrayOop new_longArray (int length, TRAPS) { return TypeArrayKlass::cast(Universe::longArrayKlassObj ())->allocate(length, CHECK_NULL); }
53 // create java.lang.Object[]
54 static objArrayOop new_objectArray(int length, TRAPS) {
55 assert(Universe::objectArrayKlassObj() != NULL, "Too early?");
56 return ObjArrayKlass::
57 cast(Universe::objectArrayKlassObj())->allocate(length, CHECK_NULL);
58 }
60 static typeArrayOop new_charArray (const char* utf8_str, TRAPS);
61 static typeArrayOop new_tenured_charArray(int length, TRAPS);
63 static typeArrayOop new_typeArray(BasicType type, int length, TRAPS);
64 static typeArrayOop new_typeArray_nozero(BasicType type, int length, TRAPS);
65 static typeArrayOop new_metaDataArray(int length, TRAPS);
67 // Regular object arrays
68 static objArrayOop new_objArray(Klass* klass, int length, TRAPS);
69 };
71 #endif // SHARE_VM_MEMORY_OOPFACTORY_HPP