/*

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

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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).

 *

 * 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.

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#ifndef SHARE_VM_GC_PARALLEL_PSSCAVENGE_INLINE_HPP

#define SHARE_VM_GC_PARALLEL_PSSCAVENGE_INLINE_HPP

#include "gc/parallel/parallelScavengeHeap.hpp"

#include "gc/parallel/psScavenge.hpp"

#include "logging/log.hpp"

#include "memory/iterator.hpp"

#include "memory/resourceArea.hpp"

#include "oops/access.inline.hpp"

#include "oops/oop.inline.hpp"

#include "utilities/globalDefinitions.hpp"

inline void PSScavenge::save_to_space_top_before_gc() {

  ParallelScavengeHeap* heap = ParallelScavengeHeap::heap();

  _to_space_top_before_gc = heap->young_gen()->to_space()->top();

}

template <class T> inline bool PSScavenge::should_scavenge(T* p) {

  T heap_oop = RawAccess<>::oop_load(p);

  return PSScavenge::is_obj_in_young(heap_oop);

}

template <class T>

inline bool PSScavenge::should_scavenge(T* p, MutableSpace* to_space) {

  if (should_scavenge(p)) {

    oop obj = RawAccess<IS_NOT_NULL>::oop_load(p);

    // Skip objects copied to to_space since the scavenge started.

    HeapWord* const addr = (HeapWord*)obj;

    return addr < to_space_top_before_gc() || addr >= to_space->end();

  }

  return false;

}

template <class T>

inline bool PSScavenge::should_scavenge(T* p, bool check_to_space) {

  if (check_to_space) {

    ParallelScavengeHeap* heap = ParallelScavengeHeap::heap();

    return should_scavenge(p, heap->young_gen()->to_space());

  }

  return should_scavenge(p);

}

#endif // SHARE_VM_GC_PARALLEL_PSSCAVENGE_INLINE_HPP