hotspot/src/share/vm/ci/ciConstantPoolCache.hpp
author jrose
Sun, 23 May 2010 01:38:26 -0700
changeset 5688 9052dc91ea67
parent 1 489c9b5090e2
child 5547 f4b087cbb361
permissions -rw-r--r--
6939207: refactor constant pool index processing Summary: Factored cleanup of instruction decode which prepares for enhanced ldc semantics. Reviewed-by: twisti

/*
 * Copyright 1999-2000 Sun Microsystems, Inc.  All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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// ciConstantPoolCache
//
// The class caches indexed constant pool lookups.
//
// Usage note: this klass has nothing to do with constantPoolCacheOop.
class ciConstantPoolCache : public ResourceObj {
private:
  GrowableArray<intptr_t>*   _keys;
  GrowableArray<void*>* _elements;

  int find(int index);

public:
  ciConstantPoolCache(Arena* arena, int expected_size);

  // Get the element associated with some index.
  void* get(int index);

  // Associate an element with an index.
  void insert(int index, void* element);

  void print();
};