ciConstantPoolCache.hpp revision 1879:f95d63e2154a 
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.
36class ciConstantPoolCache : public ResourceObj {
37private:
38  GrowableArray<intptr_t>*   _keys;
39  GrowableArray<void*>* _elements;
40
41  int find(int index);
42
43public:
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
56