1 /*
   2  * Copyright (c) 1997, 2011, 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_VM_MEMORY_OOPFACTORY_HPP
  26 #define SHARE_VM_MEMORY_OOPFACTORY_HPP
  27 
  28 #include "classfile/symbolTable.hpp"
  29 #include "classfile/systemDictionary.hpp"
  30 #include "memory/universe.hpp"
  31 #include "oops/klassOop.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, 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); }
  52 
  53   // create java.lang.Object[]
  54   static objArrayOop     new_objectArray(int length, TRAPS)  {
  55     return objArrayKlass::
  56       cast(Universe::objectArrayKlassObj())->allocate(length, CHECK_NULL);
  57   }
  58 
  59   static typeArrayOop    new_charArray           (const char* utf8_str,  TRAPS);
  60   static typeArrayOop    new_permanent_charArray (int length, TRAPS);
  61   static typeArrayOop    new_permanent_byteArray (int length, TRAPS);  // used for class file structures
  62   static typeArrayOop    new_permanent_shortArray(int length, TRAPS);  // used for class file structures
  63   static typeArrayOop    new_permanent_intArray  (int length, TRAPS);  // used for class file structures
  64 
  65   static typeArrayOop    new_typeArray(BasicType type, int length, TRAPS);
  66 
  67   // Constant pools
  68   static constantPoolOop      new_constantPool     (int length,
  69                                                     bool is_conc_safe,
  70                                                     TRAPS);
  71   static constantPoolCacheOop new_constantPoolCache(int length,
  72                                                     TRAPS);
  73 
  74   // Instance classes
  75   static klassOop        new_instanceKlass(Symbol* name,
  76                                            int vtable_len, int itable_len,
  77                                            int static_field_size,
  78                                            unsigned int nonstatic_oop_map_count,
  79                                            ReferenceType rt, TRAPS);
  80 
  81   // Methods
  82 private:
  83   static constMethodOop  new_constMethod(int byte_code_size,
  84                                          int compressed_line_number_size,
  85                                          int localvariable_table_length,
  86                                          int checked_exceptions_length,
  87                                          bool is_conc_safe,
  88                                          TRAPS);
  89 public:
  90   // Set is_conc_safe for methods which cannot safely be
  91   // processed by concurrent GC even after the return of
  92   // the method.
  93   static methodOop       new_method(int byte_code_size,
  94                                     AccessFlags access_flags,
  95                                     int compressed_line_number_size,
  96                                     int localvariable_table_length,
  97                                     int checked_exceptions_length,
  98                                     bool is_conc_safe,
  99                                     TRAPS);
 100 
 101   // Method Data containers
 102   static methodDataOop   new_methodData(methodHandle method, TRAPS);
 103 
 104   // System object arrays
 105   static objArrayOop     new_system_objArray(int length, TRAPS);
 106 
 107   // Regular object arrays
 108   static objArrayOop     new_objArray(klassOop klass, int length, TRAPS);
 109 
 110   // For compiled ICs
 111   static compiledICHolderOop new_compiledICHolder(methodHandle method, KlassHandle klass, TRAPS);
 112 };
 113 
 114 #endif // SHARE_VM_MEMORY_OOPFACTORY_HPP