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/zHeap.hpp"
26 #include "gc/z/zOopClosures.inline.hpp"
27 #include "gc/z/zPage.hpp"
28 #include "gc/z/zRelocate.hpp"
29 #include "gc/z/zRelocationSet.inline.hpp"
30 #include "gc/z/zRootsIterator.hpp"
31 #include "gc/z/zTask.hpp"
32 #include "gc/z/zWorkers.hpp"
33
34 ZRelocate::ZRelocate(ZWorkers* workers) :
35 _workers(workers) {}
36
37 class ZRelocateRootsIteratorClosure : public ZRootsIteratorClosure {
38 public:
39 virtual void do_thread(Thread* thread) {
40 ZRootsIteratorClosure::do_thread(thread);
41
42 // Update thread local address bad mask
43 ZThreadLocalData::set_address_bad_mask(thread, ZAddressBadMask);
44 }
45
46 virtual void do_oop(oop* p) {
47 ZBarrier::relocate_barrier_on_root_oop_field(p);
48 }
49
50 virtual void do_oop(narrowOop* p) {
51 ShouldNotReachHere();
52 }
53 };
54
55 class ZRelocateRootsTask : public ZTask {
56 private:
57 ZRootsIterator _roots;
58
59 public:
60 ZRelocateRootsTask() :
61 ZTask("ZRelocateRootsTask"),
62 _roots() {}
63
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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/zAddress.inline.hpp"
26 #include "gc/z/zBarrier.inline.hpp"
27 #include "gc/z/zHeap.hpp"
28 #include "gc/z/zOopClosures.inline.hpp"
29 #include "gc/z/zPage.hpp"
30 #include "gc/z/zRelocate.hpp"
31 #include "gc/z/zRelocationSet.inline.hpp"
32 #include "gc/z/zRootsIterator.hpp"
33 #include "gc/z/zTask.hpp"
34 #include "gc/z/zWorkers.hpp"
35
36 ZRelocate::ZRelocate(ZWorkers* workers) :
37 _workers(workers) {}
38
39 class ZRelocateRootsIteratorClosure : public ZRootsIteratorClosure {
40 private:
41 static void remap_address(HeapWord** p) {
42 *p = (HeapWord*)ZAddress::good_or_null((uintptr_t)*p);
43 }
44
45 public:
46 virtual void do_thread(Thread* thread) {
47 ZRootsIteratorClosure::do_thread(thread);
48
49 // Update thread local address bad mask
50 ZThreadLocalData::set_address_bad_mask(thread, ZAddressBadMask);
51
52 // Remap TLAB
53 if (UseTLAB && thread->is_Java_thread()) {
54 thread->tlab().addresses_do(remap_address);
55 }
56 }
57
58 virtual void do_oop(oop* p) {
59 ZBarrier::relocate_barrier_on_root_oop_field(p);
60 }
61
62 virtual void do_oop(narrowOop* p) {
63 ShouldNotReachHere();
64 }
65 };
66
67 class ZRelocateRootsTask : public ZTask {
68 private:
69 ZRootsIterator _roots;
70
71 public:
72 ZRelocateRootsTask() :
73 ZTask("ZRelocateRootsTask"),
74 _roots() {}
75
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