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/*
* Copyright (c) 2013, 2016, 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.
*
*/
#include "precompiled.hpp"
#include "gc/g1/g1BiasedArray.hpp"
#include "memory/padded.inline.hpp"
G1BiasedMappedArrayBase::G1BiasedMappedArrayBase() :
_alloc_base(NULL),
_base(NULL),
_length(0),
_biased_base(NULL),
_bias(0),
_shift_by(0) { }
G1BiasedMappedArrayBase::~G1BiasedMappedArrayBase() {
FreeHeap(_alloc_base);
}
// Allocate a new array, generic version.
address G1BiasedMappedArrayBase::create_new_base_array(size_t length, size_t elem_size) {
assert(length > 0, "just checking");
assert(elem_size > 0, "just checking");
return PaddedPrimitiveArray<u_char, mtGC>::create(length * elem_size, &_alloc_base);
}
#ifndef PRODUCT
void G1BiasedMappedArrayBase::verify_index(idx_t index) const {
guarantee(_base != NULL, "Array not initialized");
guarantee(index < length(), "Index out of bounds index: " SIZE_FORMAT " length: " SIZE_FORMAT, index, length());
}
void G1BiasedMappedArrayBase::verify_biased_index(idx_t biased_index) const {
guarantee(_biased_base != NULL, "Array not initialized");
guarantee(biased_index >= bias() && biased_index < (bias() + length()),
"Biased index out of bounds, index: " SIZE_FORMAT " bias: " SIZE_FORMAT " length: " SIZE_FORMAT,
biased_index, bias(), length());
}
void G1BiasedMappedArrayBase::verify_biased_index_inclusive_end(idx_t biased_index) const {
guarantee(_biased_base != NULL, "Array not initialized");
guarantee(biased_index >= bias() && biased_index <= (bias() + length()),
"Biased index out of inclusive bounds, index: " SIZE_FORMAT " bias: " SIZE_FORMAT " length: " SIZE_FORMAT,
biased_index, bias(), length());
}
#endif
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