1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/src/share/vm/ci/ciConstantPoolCache.hpp Wed Apr 27 01:25:04 2016 +0800 1.3 @@ -0,0 +1,55 @@ 1.4 +/* 1.5 + * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved. 1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 1.7 + * 1.8 + * This code is free software; you can redistribute it and/or modify it 1.9 + * under the terms of the GNU General Public License version 2 only, as 1.10 + * published by the Free Software Foundation. 1.11 + * 1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT 1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1.15 + * version 2 for more details (a copy is included in the LICENSE file that 1.16 + * accompanied this code). 1.17 + * 1.18 + * You should have received a copy of the GNU General Public License version 1.19 + * 2 along with this work; if not, write to the Free Software Foundation, 1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 1.21 + * 1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 1.23 + * or visit www.oracle.com if you need additional information or have any 1.24 + * questions. 1.25 + * 1.26 + */ 1.27 + 1.28 +#ifndef SHARE_VM_CI_CICONSTANTPOOLCACHE_HPP 1.29 +#define SHARE_VM_CI_CICONSTANTPOOLCACHE_HPP 1.30 + 1.31 +#include "memory/resourceArea.hpp" 1.32 +#include "utilities/growableArray.hpp" 1.33 + 1.34 +// ciConstantPoolCache 1.35 +// 1.36 +// The class caches indexed constant pool lookups. 1.37 +// 1.38 +// Usage note: this klass has nothing to do with ConstantPoolCache*. 1.39 +class ciConstantPoolCache : public ResourceObj { 1.40 +private: 1.41 + GrowableArray<intptr_t>* _keys; 1.42 + GrowableArray<void*>* _elements; 1.43 + 1.44 + int find(int index); 1.45 + 1.46 +public: 1.47 + ciConstantPoolCache(Arena* arena, int expected_size); 1.48 + 1.49 + // Get the element associated with some index. 1.50 + void* get(int index); 1.51 + 1.52 + // Associate an element with an index. 1.53 + void insert(int index, void* element); 1.54 + 1.55 + void print(); 1.56 +}; 1.57 + 1.58 +#endif // SHARE_VM_CI_CICONSTANTPOOLCACHE_HPP