src/hotspot/share/gc/z/zUtils.hpp
author coleenp
Fri, 04 Jan 2019 15:06:01 -0500
changeset 53149 259c36ef27df
parent 51804 eef954e29714
permissions -rw-r--r--
8215731: Move forward class definitions out of globalDefinitions.hpp Summary: redistribute the forward declarations to the header files that need them. Reviewed-by: dholmes, lfoltan
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/*
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 * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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#ifndef SHARE_GC_Z_ZUTILS_HPP
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#define SHARE_GC_Z_ZUTILS_HPP
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#include "memory/allocation.hpp"
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class ZUtils : public AllStatic {
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public:
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  // Allocation
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  static uintptr_t alloc_aligned(size_t alignment, size_t size);
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  // Power of two
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  static size_t round_up_power_of_2(size_t value);
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  static size_t round_down_power_of_2(size_t value);
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  // Size conversion
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  static size_t bytes_to_words(size_t size_in_words);
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  static size_t words_to_bytes(size_t size_in_words);
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  // Object
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  static size_t object_size(uintptr_t addr);
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  static void object_copy(uintptr_t from, uintptr_t to, size_t size);
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};
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#endif // SHARE_GC_Z_ZUTILS_HPP