73 KlassHandle _resolved_klass; // static receiver klass |
73 KlassHandle _resolved_klass; // static receiver klass |
74 KlassHandle _selected_klass; // dynamic receiver class (same as static, or subklass) |
74 KlassHandle _selected_klass; // dynamic receiver class (same as static, or subklass) |
75 methodHandle _resolved_method; // static target method |
75 methodHandle _resolved_method; // static target method |
76 methodHandle _selected_method; // dynamic (actual) target method |
76 methodHandle _selected_method; // dynamic (actual) target method |
77 int _vtable_index; // vtable index of selected method |
77 int _vtable_index; // vtable index of selected method |
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78 Handle _resolved_appendix; // extra argument in constant pool (if CPCE::has_appendix) |
78 |
79 |
79 void set_static( KlassHandle resolved_klass, methodHandle resolved_method , TRAPS); |
80 void set_static( KlassHandle resolved_klass, methodHandle resolved_method , TRAPS); |
80 void set_interface(KlassHandle resolved_klass, KlassHandle selected_klass, methodHandle resolved_method, methodHandle selected_method , TRAPS); |
81 void set_interface(KlassHandle resolved_klass, KlassHandle selected_klass, methodHandle resolved_method, methodHandle selected_method , TRAPS); |
81 void set_virtual( KlassHandle resolved_klass, KlassHandle selected_klass, methodHandle resolved_method, methodHandle selected_method, int vtable_index, TRAPS); |
82 void set_virtual( KlassHandle resolved_klass, KlassHandle selected_klass, methodHandle resolved_method, methodHandle selected_method, int vtable_index, TRAPS); |
82 void set_dynamic( methodHandle resolved_method, TRAPS); |
83 void set_handle( methodHandle resolved_method, Handle resolved_appendix, TRAPS); |
83 void set_common( KlassHandle resolved_klass, KlassHandle selected_klass, methodHandle resolved_method, methodHandle selected_method, int vtable_index, TRAPS); |
84 void set_common( KlassHandle resolved_klass, KlassHandle selected_klass, methodHandle resolved_method, methodHandle selected_method, int vtable_index, TRAPS); |
84 |
85 |
85 friend class LinkResolver; |
86 friend class LinkResolver; |
86 |
87 |
87 public: |
88 public: |
88 KlassHandle resolved_klass() const { return _resolved_klass; } |
89 KlassHandle resolved_klass() const { return _resolved_klass; } |
89 KlassHandle selected_klass() const { return _selected_klass; } |
90 KlassHandle selected_klass() const { return _selected_klass; } |
90 methodHandle resolved_method() const { return _resolved_method; } |
91 methodHandle resolved_method() const { return _resolved_method; } |
91 methodHandle selected_method() const { return _selected_method; } |
92 methodHandle selected_method() const { return _selected_method; } |
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93 Handle resolved_appendix() const { return _resolved_appendix; } |
92 |
94 |
93 BasicType result_type() const { return selected_method()->result_type(); } |
95 BasicType result_type() const { return selected_method()->result_type(); } |
94 bool has_vtable_index() const { return _vtable_index >= 0; } |
96 bool has_vtable_index() const { return _vtable_index >= 0; } |
95 bool is_statically_bound() const { return _vtable_index == methodOopDesc::nonvirtual_vtable_index; } |
97 bool is_statically_bound() const { return _vtable_index == methodOopDesc::nonvirtual_vtable_index; } |
96 int vtable_index() const { |
98 int vtable_index() const { |
108 class LinkResolver: AllStatic { |
110 class LinkResolver: AllStatic { |
109 private: |
111 private: |
110 static void lookup_method_in_klasses (methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS); |
112 static void lookup_method_in_klasses (methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS); |
111 static void lookup_instance_method_in_klasses (methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS); |
113 static void lookup_instance_method_in_klasses (methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS); |
112 static void lookup_method_in_interfaces (methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS); |
114 static void lookup_method_in_interfaces (methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS); |
113 static void lookup_implicit_method (methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, |
115 static void lookup_polymorphic_method (methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, |
114 KlassHandle current_klass, TRAPS); |
116 KlassHandle current_klass, Handle* appendix_result_or_null, TRAPS); |
115 |
117 |
116 static int vtable_index_of_miranda_method(KlassHandle klass, Symbol* name, Symbol* signature, TRAPS); |
118 static int vtable_index_of_miranda_method(KlassHandle klass, Symbol* name, Symbol* signature, TRAPS); |
117 |
119 |
118 static void resolve_klass (KlassHandle& result, constantPoolHandle pool, int index, TRAPS); |
120 static void resolve_klass (KlassHandle& result, constantPoolHandle pool, int index, TRAPS); |
119 static void resolve_klass_no_update (KlassHandle& result, constantPoolHandle pool, int index, TRAPS); // no update of constantPool entry |
121 static void resolve_klass_no_update (KlassHandle& result, constantPoolHandle pool, int index, TRAPS); // no update of constantPool entry |
137 |
139 |
138 public: |
140 public: |
139 // constant pool resolving |
141 // constant pool resolving |
140 static void check_klass_accessability(KlassHandle ref_klass, KlassHandle sel_klass, TRAPS); |
142 static void check_klass_accessability(KlassHandle ref_klass, KlassHandle sel_klass, TRAPS); |
141 |
143 |
142 // static resolving for all calls except interface calls |
144 // static resolving calls (will not run any Java code); used only from Bytecode_invoke::static_target |
143 static void resolve_method (methodHandle& method_result, KlassHandle& klass_result, constantPoolHandle pool, int index, TRAPS); |
145 static void resolve_method_statically(methodHandle& method_result, KlassHandle& klass_result, |
144 static void resolve_dynamic_method (methodHandle& resolved_method, KlassHandle& resolved_klass, constantPoolHandle pool, int index, TRAPS); |
146 Bytecodes::Code code, constantPoolHandle pool, int index, TRAPS); |
145 static void resolve_interface_method(methodHandle& method_result, KlassHandle& klass_result, constantPoolHandle pool, int index, TRAPS); |
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146 |
147 |
147 // runtime/static resolving for fields |
148 // runtime/static resolving for fields |
148 static void resolve_field(FieldAccessInfo& result, constantPoolHandle pool, int index, Bytecodes::Code byte, bool check_only, TRAPS); |
149 static void resolve_field(FieldAccessInfo& result, constantPoolHandle pool, int index, Bytecodes::Code byte, bool check_only, TRAPS); |
149 // takes an extra bool argument "update_pool" to decide whether to update the constantPool during klass resolution. |
150 // takes an extra bool argument "update_pool" to decide whether to update the constantPool during klass resolution. |
150 static void resolve_field(FieldAccessInfo& result, constantPoolHandle pool, int index, Bytecodes::Code byte, bool check_only, bool update_pool, TRAPS); |
151 static void resolve_field(FieldAccessInfo& result, constantPoolHandle pool, int index, Bytecodes::Code byte, bool check_only, bool update_pool, TRAPS); |
154 // current_klass = sending method holder (i.e., class containing the method containing the call being resolved) |
155 // current_klass = sending method holder (i.e., class containing the method containing the call being resolved) |
155 static void resolve_static_call (CallInfo& result, KlassHandle& resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access, bool initialize_klass, TRAPS); |
156 static void resolve_static_call (CallInfo& result, KlassHandle& resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access, bool initialize_klass, TRAPS); |
156 static void resolve_special_call (CallInfo& result, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS); |
157 static void resolve_special_call (CallInfo& result, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS); |
157 static void resolve_virtual_call (CallInfo& result, Handle recv, KlassHandle recv_klass, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access, bool check_null_and_abstract, TRAPS); |
158 static void resolve_virtual_call (CallInfo& result, Handle recv, KlassHandle recv_klass, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access, bool check_null_and_abstract, TRAPS); |
158 static void resolve_interface_call(CallInfo& result, Handle recv, KlassHandle recv_klass, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access, bool check_null_and_abstract, TRAPS); |
159 static void resolve_interface_call(CallInfo& result, Handle recv, KlassHandle recv_klass, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access, bool check_null_and_abstract, TRAPS); |
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160 static void resolve_handle_call (CallInfo& result, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, TRAPS); |
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161 static void resolve_dynamic_call (CallInfo& result, Handle bootstrap_specifier, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, TRAPS); |
159 |
162 |
160 // same as above for compile-time resolution; but returns null handle instead of throwing an exception on error |
163 // same as above for compile-time resolution; but returns null handle instead of throwing an exception on error |
161 // also, does not initialize klass (i.e., no side effects) |
164 // also, does not initialize klass (i.e., no side effects) |
162 static methodHandle resolve_virtual_call_or_null (KlassHandle receiver_klass, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass); |
165 static methodHandle resolve_virtual_call_or_null (KlassHandle receiver_klass, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass); |
163 static methodHandle resolve_interface_call_or_null(KlassHandle receiver_klass, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass); |
166 static methodHandle resolve_interface_call_or_null(KlassHandle receiver_klass, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass); |
175 static void resolve_invokestatic (CallInfo& result, constantPoolHandle pool, int index, TRAPS); |
178 static void resolve_invokestatic (CallInfo& result, constantPoolHandle pool, int index, TRAPS); |
176 static void resolve_invokespecial (CallInfo& result, constantPoolHandle pool, int index, TRAPS); |
179 static void resolve_invokespecial (CallInfo& result, constantPoolHandle pool, int index, TRAPS); |
177 static void resolve_invokevirtual (CallInfo& result, Handle recv, constantPoolHandle pool, int index, TRAPS); |
180 static void resolve_invokevirtual (CallInfo& result, Handle recv, constantPoolHandle pool, int index, TRAPS); |
178 static void resolve_invokeinterface(CallInfo& result, Handle recv, constantPoolHandle pool, int index, TRAPS); |
181 static void resolve_invokeinterface(CallInfo& result, Handle recv, constantPoolHandle pool, int index, TRAPS); |
179 static void resolve_invokedynamic (CallInfo& result, constantPoolHandle pool, int index, TRAPS); |
182 static void resolve_invokedynamic (CallInfo& result, constantPoolHandle pool, int index, TRAPS); |
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183 static void resolve_invokehandle (CallInfo& result, constantPoolHandle pool, int index, TRAPS); |
180 |
184 |
181 static void resolve_invoke (CallInfo& result, Handle recv, constantPoolHandle pool, int index, Bytecodes::Code byte, TRAPS); |
185 static void resolve_invoke (CallInfo& result, Handle recv, constantPoolHandle pool, int index, Bytecodes::Code byte, TRAPS); |
182 }; |
186 }; |
183 |
187 |
184 #endif // SHARE_VM_INTERPRETER_LINKRESOLVER_HPP |
188 #endif // SHARE_VM_INTERPRETER_LINKRESOLVER_HPP |