16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 #ifndef SHARE_GC_Z_ZHEAPITERATOR_HPP
25 #define SHARE_GC_Z_ZHEAPITERATOR_HPP
26
27 #include "gc/z/zAddressRangeMap.hpp"
28 #include "gc/z/zGlobals.hpp"
29 #include "memory/allocation.hpp"
30 #include "utilities/stack.hpp"
31
32 class ZHeapIteratorBitMap;
33
34 class ZHeapIterator : public StackObj {
35 friend class ZHeapIteratorRootOopClosure;
36 friend class ZHeapIteratorPushOopClosure;
37
38 private:
39 typedef ZAddressRangeMap<ZHeapIteratorBitMap*, ZPageSizeMinShift> ZVisitMap;
40 typedef ZAddressRangeMapIterator<ZHeapIteratorBitMap*, ZPageSizeMinShift> ZVisitMapIterator;
41 typedef Stack<oop, mtGC> ZVisitStack;
42
43 ZVisitStack _visit_stack;
44 ZVisitMap _visit_map;
45 const bool _visit_referents;
46
47 size_t object_index_max() const;
48 size_t object_index(oop obj) const;
49 ZHeapIteratorBitMap* object_map(oop obj);
50
51 void push(oop obj);
52 void drain(ObjectClosure* cl);
53
54 bool visit_referents() const;
55
56 public:
57 ZHeapIterator(bool visit_referents);
58 ~ZHeapIterator();
59
60 void objects_do(ObjectClosure* cl);
61 };
62
63 #endif // SHARE_GC_Z_ZHEAPITERATOR_HPP
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16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 #ifndef SHARE_GC_Z_ZHEAPITERATOR_HPP
25 #define SHARE_GC_Z_ZHEAPITERATOR_HPP
26
27 #include "gc/z/zAddressRangeMap.hpp"
28 #include "gc/z/zGlobals.hpp"
29 #include "memory/allocation.hpp"
30 #include "utilities/stack.hpp"
31
32 class ZHeapIteratorBitMap;
33
34 class ZHeapIterator : public StackObj {
35 friend class ZHeapIteratorRootOopClosure;
36 friend class ZHeapIteratorOopClosure;
37
38 private:
39 typedef ZAddressRangeMap<ZHeapIteratorBitMap*, ZPageSizeMinShift> ZVisitMap;
40 typedef ZAddressRangeMapIterator<ZHeapIteratorBitMap*, ZPageSizeMinShift> ZVisitMapIterator;
41 typedef Stack<oop, mtGC> ZVisitStack;
42
43 ZVisitStack _visit_stack;
44 ZVisitMap _visit_map;
45 const bool _visit_referents;
46
47 ZHeapIteratorBitMap* object_map(oop obj);
48 void push(oop obj);
49
50 public:
51 ZHeapIterator(bool visit_referents);
52 ~ZHeapIterator();
53
54 void objects_do(ObjectClosure* cl);
55 };
56
57 #endif // SHARE_GC_Z_ZHEAPITERATOR_HPP
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