75 inline void arraycopy_update(oop* src, size_t count); |
75 inline void arraycopy_update(oop* src, size_t count); |
76 inline void arraycopy_update(narrowOop* src, size_t count); |
76 inline void arraycopy_update(narrowOop* src, size_t count); |
77 inline void clone_barrier(oop src); |
77 inline void clone_barrier(oop src); |
78 void clone_barrier_runtime(oop src); |
78 void clone_barrier_runtime(oop src); |
79 |
79 |
80 // We export this to make it available in cases where the static |
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81 // type of the barrier set is known. Note that it is non-virtual. |
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82 template <class T> inline void inline_write_ref_field_pre(T* field, oop new_val); |
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83 |
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84 // These are the more general virtual versions. |
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85 void write_ref_field_pre_work(oop* field, oop new_val); |
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86 void write_ref_field_pre_work(narrowOop* field, oop new_val); |
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87 void write_ref_field_pre_work(void* field, oop new_val); |
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88 |
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89 void write_ref_field_work(void* v, oop o, bool release = false); |
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90 |
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91 virtual void on_thread_create(Thread* thread); |
80 virtual void on_thread_create(Thread* thread); |
92 virtual void on_thread_destroy(Thread* thread); |
81 virtual void on_thread_destroy(Thread* thread); |
93 virtual void on_thread_attach(Thread* thread); |
82 virtual void on_thread_attach(Thread* thread); |
94 virtual void on_thread_detach(Thread* thread); |
83 virtual void on_thread_detach(Thread* thread); |
95 |
84 |
96 static inline oop resolve_forwarded_not_null(oop p); |
85 static inline oop resolve_forwarded_not_null(oop p); |
97 static inline oop resolve_forwarded(oop p); |
86 static inline oop resolve_forwarded(oop p); |
98 |
87 |
99 void storeval_barrier(oop obj); |
88 template <DecoratorSet decorators, typename T> |
100 void keep_alive_barrier(oop obj); |
89 inline void satb_barrier(T* field); |
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90 inline void satb_enqueue(oop value); |
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91 inline void storeval_barrier(oop obj); |
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92 |
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93 template <DecoratorSet decorators> |
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94 inline void keep_alive_if_weak(oop value); |
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95 inline void keep_alive_if_weak(DecoratorSet decorators, oop value); |
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96 inline void keep_alive_barrier(oop value); |
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97 |
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98 inline void enqueue(oop obj); |
101 |
99 |
102 oop load_reference_barrier(oop obj); |
100 oop load_reference_barrier(oop obj); |
103 oop load_reference_barrier_not_null(oop obj); |
101 oop load_reference_barrier_not_null(oop obj); |
104 |
102 |
105 oop load_reference_barrier_mutator(oop obj, oop* load_addr); |
103 oop load_reference_barrier_mutator(oop obj, oop* load_addr); |
108 template <class T> |
106 template <class T> |
109 oop load_reference_barrier_mutator_work(oop obj, T* load_addr); |
107 oop load_reference_barrier_mutator_work(oop obj, T* load_addr); |
110 |
108 |
111 oop load_reference_barrier_native(oop obj, oop* load_addr); |
109 oop load_reference_barrier_native(oop obj, oop* load_addr); |
112 oop load_reference_barrier_native(oop obj, narrowOop* load_addr); |
110 oop load_reference_barrier_native(oop obj, narrowOop* load_addr); |
113 |
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114 void enqueue(oop obj); |
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115 |
111 |
116 private: |
112 private: |
117 template <class T> |
113 template <class T> |
118 inline void arraycopy_pre_work(T* src, T* dst, size_t count); |
114 inline void arraycopy_pre_work(T* src, T* dst, size_t count); |
119 template <class T, bool HAS_FWD, bool EVAC, bool ENQUEUE> |
115 template <class T, bool HAS_FWD, bool EVAC, bool ENQUEUE> |
124 oop load_reference_barrier_impl(oop obj); |
120 oop load_reference_barrier_impl(oop obj); |
125 |
121 |
126 template <class T> |
122 template <class T> |
127 oop load_reference_barrier_native_impl(oop obj, T* load_addr); |
123 oop load_reference_barrier_native_impl(oop obj, T* load_addr); |
128 |
124 |
129 static void keep_alive_if_weak(DecoratorSet decorators, oop value) { |
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130 assert((decorators & ON_UNKNOWN_OOP_REF) == 0, "Reference strength must be known"); |
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131 const bool on_strong_oop_ref = (decorators & ON_STRONG_OOP_REF) != 0; |
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132 const bool peek = (decorators & AS_NO_KEEPALIVE) != 0; |
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133 if (!peek && !on_strong_oop_ref && value != NULL) { |
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134 ShenandoahBarrierSet::barrier_set()->keep_alive_barrier(value); |
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135 } |
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136 } |
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137 |
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138 public: |
125 public: |
139 // Callbacks for runtime accesses. |
126 // Callbacks for runtime accesses. |
140 template <DecoratorSet decorators, typename BarrierSetT = ShenandoahBarrierSet> |
127 template <DecoratorSet decorators, typename BarrierSetT = ShenandoahBarrierSet> |
141 class AccessBarrier: public BarrierSet::AccessBarrier<decorators, BarrierSetT> { |
128 class AccessBarrier: public BarrierSet::AccessBarrier<decorators, BarrierSetT> { |
142 typedef BarrierSet::AccessBarrier<decorators, BarrierSetT> Raw; |
129 typedef BarrierSet::AccessBarrier<decorators, BarrierSetT> Raw; |
143 |
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144 template <typename T> |
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145 static oop oop_atomic_cmpxchg_in_heap_impl(T* addr, oop compare_value, oop new_value); |
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146 |
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147 template <typename T> |
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148 static oop oop_atomic_xchg_in_heap_impl(T* addr, oop new_value); |
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149 |
130 |
150 public: |
131 public: |
151 // Heap oop accesses. These accessors get resolved when |
132 // Heap oop accesses. These accessors get resolved when |
152 // IN_HEAP is set (e.g. when using the HeapAccess API), it is |
133 // IN_HEAP is set (e.g. when using the HeapAccess API), it is |
153 // an oop_* overload, and the barrier strength is AS_NORMAL. |
134 // an oop_* overload, and the barrier strength is AS_NORMAL. |