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1 /* |
1 /* |
2 * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved. |
2 * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * |
4 * |
5 * This code is free software; you can redistribute it and/or modify it |
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 |
6 * under the terms of the GNU General Public License version 2 only, as |
7 * published by the Free Software Foundation. |
7 * published by the Free Software Foundation. |
32 #include "gc/z/zWorkers.hpp" |
32 #include "gc/z/zWorkers.hpp" |
33 |
33 |
34 ZRelocate::ZRelocate(ZWorkers* workers) : |
34 ZRelocate::ZRelocate(ZWorkers* workers) : |
35 _workers(workers) {} |
35 _workers(workers) {} |
36 |
36 |
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37 class ZRelocateRootsIteratorClosure : public ZRootsIteratorClosure { |
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38 public: |
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39 virtual void do_thread(Thread* thread) { |
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40 ZRootsIteratorClosure::do_thread(thread); |
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41 |
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42 // Update thread local address bad mask |
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43 ZThreadLocalData::set_address_bad_mask(thread, ZAddressBadMask); |
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44 } |
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45 |
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46 virtual void do_oop(oop* p) { |
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47 ZBarrier::relocate_barrier_on_root_oop_field(p); |
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48 } |
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49 |
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50 virtual void do_oop(narrowOop* p) { |
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51 ShouldNotReachHere(); |
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52 } |
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53 }; |
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54 |
37 class ZRelocateRootsTask : public ZTask { |
55 class ZRelocateRootsTask : public ZTask { |
38 private: |
56 private: |
39 ZRootsIterator _roots; |
57 ZRootsIterator _roots; |
40 |
58 |
41 public: |
59 public: |
44 _roots() {} |
62 _roots() {} |
45 |
63 |
46 virtual void work() { |
64 virtual void work() { |
47 // During relocation we need to visit the JVMTI |
65 // During relocation we need to visit the JVMTI |
48 // export weak roots to rehash the JVMTI tag map |
66 // export weak roots to rehash the JVMTI tag map |
49 ZRelocateRootOopClosure cl; |
67 ZRelocateRootsIteratorClosure cl; |
50 _roots.oops_do(&cl, true /* visit_jvmti_weak_export */); |
68 _roots.oops_do(&cl, true /* visit_jvmti_weak_export */); |
51 } |
69 } |
52 }; |
70 }; |
53 |
71 |
54 void ZRelocate::start() { |
72 void ZRelocate::start() { |