5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
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 #include "precompiled.hpp"
25 #include "gc/z/zAddressRangeMap.inline.hpp"
26 #include "gc/z/zBarrier.inline.hpp"
27 #include "gc/z/zGlobals.hpp"
28 #include "gc/z/zHeapIterator.hpp"
29 #include "gc/z/zOop.inline.hpp"
30 #include "gc/z/zRootsIterator.hpp"
31 #include "memory/iterator.inline.hpp"
32 #include "utilities/bitMap.inline.hpp"
33 #include "utilities/stack.inline.hpp"
34
35 class ZHeapIteratorBitMap : public CHeapObj<mtGC> {
36 private:
37 CHeapBitMap _map;
38
39 public:
40 ZHeapIteratorBitMap(size_t size_in_bits) :
41 _map(size_in_bits) {}
42
43 bool try_set_bit(size_t index) {
44 if (_map.at(index)) {
45 return false;
46 }
47
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5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
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 #include "precompiled.hpp"
25 #include "gc/z/zBarrier.inline.hpp"
26 #include "gc/z/zGlobals.hpp"
27 #include "gc/z/zGranuleMap.inline.hpp"
28 #include "gc/z/zHeapIterator.hpp"
29 #include "gc/z/zOop.inline.hpp"
30 #include "gc/z/zRootsIterator.hpp"
31 #include "memory/iterator.inline.hpp"
32 #include "utilities/bitMap.inline.hpp"
33 #include "utilities/stack.inline.hpp"
34
35 class ZHeapIteratorBitMap : public CHeapObj<mtGC> {
36 private:
37 CHeapBitMap _map;
38
39 public:
40 ZHeapIteratorBitMap(size_t size_in_bits) :
41 _map(size_in_bits) {}
42
43 bool try_set_bit(size_t index) {
44 if (_map.at(index)) {
45 return false;
46 }
47
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