src/hotspot/share/gc/g1/g1BiasedArray.cpp
author mgronlun
Wed, 30 Oct 2019 19:43:52 +0100
changeset 58863 c16ac7a2eba4
parent 47216 71c04702a3d5
permissions -rw-r--r--
8226511: Implement JFR Event Streaming Reviewed-by: egahlin, mseledtsov, mgronlun Contributed-by: erik.gahlin@oracle.com, mikhailo.seledtsov@oracle.com, markus.gronlund@oracle.com
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/*
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 * Copyright (c) 2013, 2016, 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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 */
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#include "precompiled.hpp"
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#include "gc/g1/g1BiasedArray.hpp"
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#include "memory/padded.inline.hpp"
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// Allocate a new array, generic version.
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address G1BiasedMappedArrayBase::create_new_base_array(size_t length, size_t elem_size) {
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  assert(length > 0, "just checking");
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  assert(elem_size > 0, "just checking");
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  return PaddedPrimitiveArray<u_char, mtGC>::create_unfreeable(length * elem_size);
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}
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#ifndef PRODUCT
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void G1BiasedMappedArrayBase::verify_index(idx_t index) const {
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  guarantee(_base != NULL, "Array not initialized");
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  guarantee(index < length(), "Index out of bounds index: " SIZE_FORMAT " length: " SIZE_FORMAT, index, length());
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}
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void G1BiasedMappedArrayBase::verify_biased_index(idx_t biased_index) const {
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  guarantee(_biased_base != NULL, "Array not initialized");
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  guarantee(biased_index >= bias() && biased_index < (bias() + length()),
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            "Biased index out of bounds, index: " SIZE_FORMAT " bias: " SIZE_FORMAT " length: " SIZE_FORMAT,
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            biased_index, bias(), length());
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}
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void G1BiasedMappedArrayBase::verify_biased_index_inclusive_end(idx_t biased_index) const {
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  guarantee(_biased_base != NULL, "Array not initialized");
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  guarantee(biased_index >= bias() && biased_index <= (bias() + length()),
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            "Biased index out of inclusive bounds, index: " SIZE_FORMAT " bias: " SIZE_FORMAT " length: " SIZE_FORMAT,
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            biased_index, bias(), length());
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}
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#endif