1 /* 2 * Copyright (c) 1997, 2019, 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_MEMORY_OOPFACTORY_HPP 26 #define SHARE_MEMORY_OOPFACTORY_HPP 27 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" 36 37 // oopFactory is a class used for creating new objects. 38 39 class vframeArray; 40 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, THREAD); } 45 static typeArrayOop new_charArray (int length, TRAPS) { return TypeArrayKlass::cast(Universe::charArrayKlassObj ())->allocate(length, THREAD); } 46 static typeArrayOop new_floatArray (int length, TRAPS) { return TypeArrayKlass::cast(Universe::floatArrayKlassObj())->allocate(length, THREAD); } 47 static typeArrayOop new_doubleArray(int length, TRAPS) { return TypeArrayKlass::cast(Universe::doubleArrayKlassObj())->allocate(length, THREAD); } 48 static typeArrayOop new_byteArray (int length, TRAPS) { return TypeArrayKlass::cast(Universe::byteArrayKlassObj ())->allocate(length, THREAD); } 49 static typeArrayOop new_shortArray (int length, TRAPS) { return TypeArrayKlass::cast(Universe::shortArrayKlassObj ())->allocate(length, THREAD); } 50 static typeArrayOop new_intArray (int length, TRAPS) { return TypeArrayKlass::cast(Universe::intArrayKlassObj ())->allocate(length, THREAD); } 51 static typeArrayOop new_longArray (int length, TRAPS) { return TypeArrayKlass::cast(Universe::longArrayKlassObj ())->allocate(length, THREAD); } 52 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, THREAD); 58 } 59 60 static typeArrayOop new_charArray (const char* utf8_str, TRAPS); 61 static typeArrayOop new_tenured_charArray(int length, TRAPS); 62 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_symbolArray(int length, TRAPS); 66 67 // Regular object arrays 68 static objArrayOop new_objArray(Klass* klass, int length, TRAPS); 69 70 // Value arrays... 71 // LWorld: 72 // - Q-type signature allocation should use this path. 73 // - L-type signature allocation should use new_objArray (even with value type elements) 74 // 75 // Method specifically creates ArrayStorageProperties::null_free and possibly flattened if possible 76 // i.e. valueArrayOop of flattening can be done, else objArrayOop with "null free" storage properties 77 static arrayOop new_valueArray(Klass* klass, int length, TRAPS); 78 79 // Helpers that return handles 80 static objArrayHandle new_objArray_handle(Klass* klass, int length, TRAPS); 81 static typeArrayHandle new_byteArray_handle(int length, TRAPS); 82 }; 83 84 #endif // SHARE_MEMORY_OOPFACTORY_HPP