JDK14/Java14源码在线阅读

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 * 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,
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#ifndef SHARE_GC_PARALLEL_PSSCAVENGE_INLINE_HPP
#define SHARE_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>

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