twisti@1572: /*
trims@1907:  * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
twisti@1572:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
twisti@1572:  *
twisti@1572:  * This code is free software; you can redistribute it and/or modify it
twisti@1572:  * under the terms of the GNU General Public License version 2 only, as
twisti@1572:  * published by the Free Software Foundation.
twisti@1572:  *
twisti@1572:  * This code is distributed in the hope that it will be useful, but WITHOUT
twisti@1572:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
twisti@1572:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
twisti@1572:  * version 2 for more details (a copy is included in the LICENSE file that
twisti@1572:  * accompanied this code).
twisti@1572:  *
twisti@1572:  * You should have received a copy of the GNU General Public License version
twisti@1572:  * 2 along with this work; if not, write to the Free Software Foundation,
twisti@1572:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
twisti@1572:  *
trims@1907:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907:  * or visit www.oracle.com if you need additional information or have any
trims@1907:  * questions.
twisti@1572:  *
twisti@1572:  */
twisti@1572: 
stefank@2314: #ifndef SHARE_VM_CI_CICPCACHE_HPP
stefank@2314: #define SHARE_VM_CI_CICPCACHE_HPP
stefank@2314: 
stefank@2314: #include "ci/ciClassList.hpp"
stefank@2314: #include "ci/ciObject.hpp"
stefank@2314: #include "oops/cpCacheOop.hpp"
stefank@2314: 
twisti@1572: // ciCPCache
twisti@1572: //
twisti@1572: // This class represents a constant pool cache.
twisti@1572: //
twisti@1572: // Note: This class is called ciCPCache as ciConstantPoolCache is used
twisti@1572: // for something different.
twisti@1572: class ciCPCache : public ciObject {
jrose@1957: private:
jrose@1957:   constantPoolCacheOop get_cpCacheOop() {   // must be called inside a VM_ENTRY_MARK
jrose@1957:     return (constantPoolCacheOop) get_oop();
jrose@1957:   }
jrose@1957: 
jrose@1957:   ConstantPoolCacheEntry* entry_at(int i) {
jrose@1957:     int raw_index = i;
jrose@1957:     if (constantPoolCacheOopDesc::is_secondary_index(i))
jrose@1957:       raw_index = constantPoolCacheOopDesc::decode_secondary_index(i);
jrose@1957:     return get_cpCacheOop()->entry_at(raw_index);
jrose@1957:   }
jrose@1957: 
twisti@1572: public:
twisti@1572:   ciCPCache(constantPoolCacheHandle cpcache) : ciObject(cpcache) {}
twisti@1572: 
twisti@1572:   // What kind of ciObject is this?
twisti@1572:   bool is_cpcache() const { return true; }
twisti@1572: 
twisti@1572:   // Get the offset in bytes from the oop to the f1 field of the
twisti@1572:   // requested entry.
twisti@1572:   size_t get_f1_offset(int index);
twisti@1572: 
twisti@1730:   bool is_f1_null_at(int index);
twisti@1730: 
jrose@1957:   int get_pool_index(int index);
jrose@1957: 
twisti@1572:   void print();
twisti@1572: };
stefank@2314: 
stefank@2314: #endif // SHARE_VM_CI_CICPCACHE_HPP