hotspot/src/share/vm/gc_implementation/g1/heapRegionSeq.inline.hpp
author tschatzl
Mon, 18 Aug 2014 16:10:44 +0200
changeset 26157 70eddb655686
parent 24424 2658d7834c6e
child 26160 aba6b01cb988
permissions -rw-r--r--
8054818: Refactor HeapRegionSeq to manage heap region and auxiliary data Summary: Let HeapRegionSeq manage the heap region and auxiliary data to decrease the amount of responsibilities of G1CollectedHeap, and encapsulate this work from other code. Reviewed-by: jwilhelm, jmasa, mgerdin, brutisso
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/*
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 * Copyright (c) 2001, 2014, 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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#ifndef SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSEQ_INLINE_HPP
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#define SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSEQ_INLINE_HPP
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#include "gc_implementation/g1/heapRegion.hpp"
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#include "gc_implementation/g1/heapRegionSeq.hpp"
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inline HeapRegion* HeapRegionSeq::addr_to_region(HeapWord* addr) const {
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  assert(addr < heap_end(),
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        err_msg("addr: "PTR_FORMAT" end: "PTR_FORMAT, p2i(addr), p2i(heap_end())));
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  assert(addr >= heap_bottom(),
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        err_msg("addr: "PTR_FORMAT" bottom: "PTR_FORMAT, p2i(addr), p2i(heap_bottom())));
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  HeapRegion* hr = _regions.get_by_address(addr);
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  assert(hr != NULL, "invariant");
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  return hr;
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}
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inline HeapRegion* HeapRegionSeq::at(uint index) const {
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  assert(is_available(index), "pre-condition");
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  HeapRegion* hr = _regions.get_by_index(index);
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  assert(hr != NULL, "sanity");
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  assert(hr->hrs_index() == index, "sanity");
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  return hr;
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}
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inline void HeapRegionSeq::insert_into_free_list(HeapRegion* hr) {
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  _free_list.add_ordered(hr);
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}
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inline void HeapRegionSeq::allocate_free_regions_starting_at(uint first, uint num_regions) {
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  _free_list.remove_starting_at(at(first), num_regions);
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}
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#endif // SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSEQ_INLINE_HPP