1/* 2 * Copyright (c) 1999, 2012, 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 ConstantPoolCache*. 36class ciConstantPoolCache : public ResourceObj { 37private: 38 GrowableArray<int>* _keys; 39 GrowableArray<void*>* _elements; 40 41 static int key_compare(const int& key, const int& elt); 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