jdk/hotspot/src/share/vm/gc_implementation/g1/heapRegionSeq.inline.hpp
Thomas Schatzl 2ee5ee89d4 8054818: Refactor HeapRegionSeq to manage heap region and auxiliary data
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
2014-08-18 16:10:44 +02:00

58 lines
2.2 KiB
C++

/*
* Copyright (c) 2001, 2014, 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
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*
* 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).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#ifndef SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSEQ_INLINE_HPP
#define SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSEQ_INLINE_HPP
#include "gc_implementation/g1/heapRegion.hpp"
#include "gc_implementation/g1/heapRegionSeq.hpp"
inline HeapRegion* HeapRegionSeq::addr_to_region(HeapWord* addr) const {
assert(addr < heap_end(),
err_msg("addr: "PTR_FORMAT" end: "PTR_FORMAT, p2i(addr), p2i(heap_end())));
assert(addr >= heap_bottom(),
err_msg("addr: "PTR_FORMAT" bottom: "PTR_FORMAT, p2i(addr), p2i(heap_bottom())));
HeapRegion* hr = _regions.get_by_address(addr);
assert(hr != NULL, "invariant");
return hr;
}
inline HeapRegion* HeapRegionSeq::at(uint index) const {
assert(is_available(index), "pre-condition");
HeapRegion* hr = _regions.get_by_index(index);
assert(hr != NULL, "sanity");
assert(hr->hrs_index() == index, "sanity");
return hr;
}
inline void HeapRegionSeq::insert_into_free_list(HeapRegion* hr) {
_free_list.add_ordered(hr);
}
inline void HeapRegionSeq::allocate_free_regions_starting_at(uint first, uint num_regions) {
_free_list.remove_starting_at(at(first), num_regions);
}
#endif // SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSEQ_INLINE_HPP