40 class ParScanClosure: public OopsInClassLoaderDataOrGenClosure {
41 protected:
42 ParScanThreadState* _par_scan_state;
43 ParNewGeneration* _g;
44 HeapWord* _boundary;
45 template <class T> void inline par_do_barrier(T* p);
46 template <class T> void inline do_oop_work(T* p,
47 bool gc_barrier,
48 bool root_scan);
49 public:
50 ParScanClosure(ParNewGeneration* g, ParScanThreadState* par_scan_state);
51 };
52
53 class ParScanWithBarrierClosure: public ParScanClosure {
54 public:
55 ParScanWithBarrierClosure(ParNewGeneration* g,
56 ParScanThreadState* par_scan_state) :
57 ParScanClosure(g, par_scan_state) {}
58 virtual void do_oop(oop* p);
59 virtual void do_oop(narrowOop* p);
60 inline void do_oop_nv(oop* p);
61 inline void do_oop_nv(narrowOop* p);
62 };
63
64 class ParScanWithoutBarrierClosure: public ParScanClosure {
65 public:
66 ParScanWithoutBarrierClosure(ParNewGeneration* g,
67 ParScanThreadState* par_scan_state) :
68 ParScanClosure(g, par_scan_state) {}
69 virtual void do_oop(oop* p);
70 virtual void do_oop(narrowOop* p);
71 inline void do_oop_nv(oop* p);
72 inline void do_oop_nv(narrowOop* p);
73 };
74
75 class ParRootScanWithBarrierTwoGensClosure: public ParScanClosure {
76 public:
77 ParRootScanWithBarrierTwoGensClosure(ParNewGeneration* g,
78 ParScanThreadState* par_scan_state) :
79 ParScanClosure(g, par_scan_state) {}
80 virtual void do_oop(oop* p);
81 virtual void do_oop(narrowOop* p);
82 };
83
84 class ParRootScanWithoutBarrierClosure: public ParScanClosure {
85 public:
86 ParRootScanWithoutBarrierClosure(ParNewGeneration* g,
87 ParScanThreadState* par_scan_state) :
88 ParScanClosure(g, par_scan_state) {}
89 virtual void do_oop(oop* p);
90 virtual void do_oop(narrowOop* p);
91 };
92
93 class ParScanWeakRefClosure: public ScanWeakRefClosure {
94 protected:
95 ParScanThreadState* _par_scan_state;
96 template <class T> inline void do_oop_work(T* p);
97 public:
98 ParScanWeakRefClosure(ParNewGeneration* g,
99 ParScanThreadState* par_scan_state);
100 virtual void do_oop(oop* p);
101 virtual void do_oop(narrowOop* p);
102 inline void do_oop_nv(oop* p);
103 inline void do_oop_nv(narrowOop* p);
104 };
105
106 class ParEvacuateFollowersClosure: public VoidClosure {
107 private:
108 ParScanThreadState* _par_scan_state;
109 ParScanThreadState* par_scan_state() { return _par_scan_state; }
110
111 // We want to preserve the specific types here (rather than "OopClosure")
112 // for later de-virtualization of do_oop calls.
113 ParScanWithoutBarrierClosure* _to_space_closure;
114 ParScanWithoutBarrierClosure* to_space_closure() {
115 return _to_space_closure;
116 }
117 ParRootScanWithoutBarrierClosure* _to_space_root_closure;
118 ParRootScanWithoutBarrierClosure* to_space_root_closure() {
119 return _to_space_root_closure;
120 }
121
122 ParScanWithBarrierClosure* _old_gen_closure;
123 ParScanWithBarrierClosure* old_gen_closure () {
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40 class ParScanClosure: public OopsInClassLoaderDataOrGenClosure {
41 protected:
42 ParScanThreadState* _par_scan_state;
43 ParNewGeneration* _g;
44 HeapWord* _boundary;
45 template <class T> void inline par_do_barrier(T* p);
46 template <class T> void inline do_oop_work(T* p,
47 bool gc_barrier,
48 bool root_scan);
49 public:
50 ParScanClosure(ParNewGeneration* g, ParScanThreadState* par_scan_state);
51 };
52
53 class ParScanWithBarrierClosure: public ParScanClosure {
54 public:
55 ParScanWithBarrierClosure(ParNewGeneration* g,
56 ParScanThreadState* par_scan_state) :
57 ParScanClosure(g, par_scan_state) {}
58 virtual void do_oop(oop* p);
59 virtual void do_oop(narrowOop* p);
60 };
61
62 class ParScanWithoutBarrierClosure: public ParScanClosure {
63 public:
64 ParScanWithoutBarrierClosure(ParNewGeneration* g,
65 ParScanThreadState* par_scan_state) :
66 ParScanClosure(g, par_scan_state) {}
67 virtual void do_oop(oop* p);
68 virtual void do_oop(narrowOop* p);
69 };
70
71 class ParRootScanWithBarrierTwoGensClosure: public ParScanClosure {
72 public:
73 ParRootScanWithBarrierTwoGensClosure(ParNewGeneration* g,
74 ParScanThreadState* par_scan_state) :
75 ParScanClosure(g, par_scan_state) {}
76 virtual void do_oop(oop* p);
77 virtual void do_oop(narrowOop* p);
78 };
79
80 class ParRootScanWithoutBarrierClosure: public ParScanClosure {
81 public:
82 ParRootScanWithoutBarrierClosure(ParNewGeneration* g,
83 ParScanThreadState* par_scan_state) :
84 ParScanClosure(g, par_scan_state) {}
85 virtual void do_oop(oop* p);
86 virtual void do_oop(narrowOop* p);
87 };
88
89 class ParScanWeakRefClosure: public ScanWeakRefClosure {
90 protected:
91 ParScanThreadState* _par_scan_state;
92 template <class T> inline void do_oop_work(T* p);
93 public:
94 ParScanWeakRefClosure(ParNewGeneration* g,
95 ParScanThreadState* par_scan_state);
96 virtual void do_oop(oop* p);
97 virtual void do_oop(narrowOop* p);
98 };
99
100 class ParEvacuateFollowersClosure: public VoidClosure {
101 private:
102 ParScanThreadState* _par_scan_state;
103 ParScanThreadState* par_scan_state() { return _par_scan_state; }
104
105 // We want to preserve the specific types here (rather than "OopClosure")
106 // for later de-virtualization of do_oop calls.
107 ParScanWithoutBarrierClosure* _to_space_closure;
108 ParScanWithoutBarrierClosure* to_space_closure() {
109 return _to_space_closure;
110 }
111 ParRootScanWithoutBarrierClosure* _to_space_root_closure;
112 ParRootScanWithoutBarrierClosure* to_space_root_closure() {
113 return _to_space_root_closure;
114 }
115
116 ParScanWithBarrierClosure* _old_gen_closure;
117 ParScanWithBarrierClosure* old_gen_closure () {
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