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/*
* Copyright (c) 2001, 2011, 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.
*
*/
#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 size_t HeapRegionSeq::addr_to_index_biased(HeapWord* addr) const {
assert(_heap_bottom <= addr && addr < _heap_end,
err_msg("addr: "PTR_FORMAT" bottom: "PTR_FORMAT" end: "PTR_FORMAT,
addr, _heap_bottom, _heap_end));
size_t index = (size_t) addr >> _region_shift;
return index;
}
inline HeapRegion* HeapRegionSeq::addr_to_region_unsafe(HeapWord* addr) const {
assert(_heap_bottom <= addr && addr < _heap_end,
err_msg("addr: "PTR_FORMAT" bottom: "PTR_FORMAT" end: "PTR_FORMAT,
addr, _heap_bottom, _heap_end));
size_t index_biased = addr_to_index_biased(addr);
HeapRegion* hr = _regions_biased[index_biased];
assert(hr != NULL, "invariant");
return hr;
}
inline HeapRegion* HeapRegionSeq::addr_to_region(HeapWord* addr) const {
if (addr != NULL && addr < _heap_end) {
assert(addr >= _heap_bottom,
err_msg("addr: "PTR_FORMAT" bottom: "PTR_FORMAT, addr, _heap_bottom));
return addr_to_region_unsafe(addr);
}
return NULL;
}
inline HeapRegion* HeapRegionSeq::at(size_t index) const {
assert(index < length(), "pre-condition");
HeapRegion* hr = _regions[index];
assert(hr != NULL, "sanity");
assert(hr->hrs_index() == index, "sanity");
return hr;
}
#endif // SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSEQ_INLINE_HPP
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