1 /*
   2  * Copyright (c) 1999, 2010, 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_CI_CICONSTANTPOOLCACHE_HPP
  26 #define SHARE_VM_CI_CICONSTANTPOOLCACHE_HPP
  27 
  28 #include "memory/resourceArea.hpp"
  29 #include "utilities/growableArray.hpp"
  30 
  31 // ciConstantPoolCache
  32 //
  33 // The class caches indexed constant pool lookups.
  34 //
  35 // Usage note: this klass has nothing to do with constantPoolCacheOop.
  36 class ciConstantPoolCache : public ResourceObj {
  37 private:
  38   GrowableArray<intptr_t>*   _keys;
  39   GrowableArray<void*>* _elements;
  40 
  41   int find(int index);
  42 
  43 public:
  44   ciConstantPoolCache(Arena* arena, int expected_size);
  45 
  46   // Get the element associated with some index.
  47   void* get(int index);
  48 
  49   // Associate an element with an index.
  50   void insert(int index, void* element);
  51 
  52   void print();
  53 };
  54 
  55 #endif // SHARE_VM_CI_CICONSTANTPOOLCACHE_HPP