/*
 * 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
 * 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
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 */

#ifndef SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONMANAGER_INLINE_HPP
#define SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONMANAGER_INLINE_HPP

#include "gc_implementation/g1/heapRegion.hpp"
#include "gc_implementation/g1/heapRegionManager.hpp"
#include "gc_implementation/g1/heapRegionSet.inline.hpp"

inline HeapRegion* HeapRegionManager::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);
  return hr;
}

inline HeapRegion* HeapRegionManager::at(uint index) const {
  assert(is_available(index), "pre-condition");
  HeapRegion* hr = _regions.get_by_index(index);
  assert(hr != NULL, "sanity");
  assert(hr->hrm_index() == index, "sanity");
  return hr;
}

inline void HeapRegionManager::insert_into_free_list(HeapRegion* hr) {
  _free_list.add_ordered(hr);
}

inline void HeapRegionManager::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_HEAPREGIONMANAGER_INLINE_HPP