68 lines
2.3 KiB
C++
68 lines
2.3 KiB
C++
/*
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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_INLINE_HPP
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#define SHARE_GC_Z_ZUTILS_INLINE_HPP
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#include "gc/z/zOop.inline.hpp"
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#include "gc/z/zUtils.hpp"
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#include "oops/oop.inline.hpp"
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#include "utilities/align.hpp"
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#include "utilities/copy.hpp"
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#include "utilities/debug.hpp"
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#include "utilities/globalDefinitions.hpp"
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inline size_t ZUtils::round_up_power_of_2(size_t value) {
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assert(value != 0, "Invalid value");
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if (is_power_of_2(value)) {
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return value;
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}
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return (size_t)1 << (log2_intptr(value) + 1);
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}
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inline size_t ZUtils::round_down_power_of_2(size_t value) {
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assert(value != 0, "Invalid value");
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return (size_t)1 << log2_intptr(value);
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}
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inline size_t ZUtils::bytes_to_words(size_t size_in_bytes) {
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assert(is_aligned(size_in_bytes, BytesPerWord), "Size not word aligned");
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return size_in_bytes >> LogBytesPerWord;
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}
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inline size_t ZUtils::words_to_bytes(size_t size_in_words) {
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return size_in_words << LogBytesPerWord;
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}
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inline size_t ZUtils::object_size(uintptr_t addr) {
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return words_to_bytes(ZOop::from_address(addr)->size());
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}
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inline void ZUtils::object_copy(uintptr_t from, uintptr_t to, size_t size) {
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Copy::aligned_disjoint_words((HeapWord*)from, (HeapWord*)to, bytes_to_words(size));
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}
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#endif // SHARE_GC_Z_ZUTILS_INLINE_HPP
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