src/share/vm/ci/ciConstantPoolCache.hpp

changeset 0
f90c822e73f8
child 6876
710a3c8b516e
     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

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