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
--- EOF ---