| /* |
| * Copyright (c) 2015, 2017, 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_GC_Z_ZUTILS_HPP |
| #define SHARE_GC_Z_ZUTILS_HPP |
| |
| #include "memory/allocation.hpp" |
| |
| class ZUtils : public AllStatic { |
| public: |
| // Allocation |
| static uintptr_t alloc_aligned(size_t alignment, size_t size); |
| |
| // Power of two |
| static size_t round_up_power_of_2(size_t value); |
| static size_t round_down_power_of_2(size_t value); |
| |
| // Size conversion |
| static size_t bytes_to_words(size_t size_in_words); |
| static size_t words_to_bytes(size_t size_in_words); |
| |
| // Object |
| static size_t object_size(uintptr_t addr); |
| static void object_copy(uintptr_t from, uintptr_t to, size_t size); |
| }; |
| |
| #endif // SHARE_GC_Z_ZUTILS_HPP |