Mercurial > hg > truffle
view src/share/vm/ci/ciCPCache.hpp @ 4877:c03e06373b47
Merge
author | stefank |
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date | Sat, 28 Jan 2012 01:15:34 -0800 |
parents | f95d63e2154a |
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/* * Copyright (c) 2009, 2010, Oracle and/or its affiliates. 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. * * This code is distributed in the hope that it will be useful, but WITHOUT * 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. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef SHARE_VM_CI_CICPCACHE_HPP #define SHARE_VM_CI_CICPCACHE_HPP #include "ci/ciClassList.hpp" #include "ci/ciObject.hpp" #include "oops/cpCacheOop.hpp" // ciCPCache // // This class represents a constant pool cache. // // Note: This class is called ciCPCache as ciConstantPoolCache is used // for something different. class ciCPCache : public ciObject { private: constantPoolCacheOop get_cpCacheOop() { // must be called inside a VM_ENTRY_MARK return (constantPoolCacheOop) get_oop(); } ConstantPoolCacheEntry* entry_at(int i) { int raw_index = i; if (constantPoolCacheOopDesc::is_secondary_index(i)) raw_index = constantPoolCacheOopDesc::decode_secondary_index(i); return get_cpCacheOop()->entry_at(raw_index); } public: ciCPCache(constantPoolCacheHandle cpcache) : ciObject(cpcache) {} // What kind of ciObject is this? bool is_cpcache() const { return true; } // Get the offset in bytes from the oop to the f1 field of the // requested entry. size_t get_f1_offset(int index); bool is_f1_null_at(int index); int get_pool_index(int index); void print(); }; #endif // SHARE_VM_CI_CICPCACHE_HPP