107 // debugging
108 #ifdef ASSERT
109 bool has_vtable_index() const { return _call_index >= 0 && _call_kind != CallInfo::itable_call; }
110 bool is_statically_bound() const { return _call_index == Method::nonvirtual_vtable_index; }
111 #endif //ASSERT
112 void verify() PRODUCT_RETURN;
113 void print() PRODUCT_RETURN;
114 };
115
116 // Link information for getfield/putfield & getstatic/putstatic bytecodes
117 // is represented using a fieldDescriptor.
118
119 // The LinkResolver is used to resolve constant-pool references at run-time.
120 // It does all necessary link-time checks & throws exceptions if necessary.
121
122 class LinkResolver: AllStatic {
123 friend class klassVtable;
124 friend class klassItable;
125
126 private:
127 static void lookup_method_in_klasses (methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS);
128 static void lookup_instance_method_in_klasses (methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS);
129 static void lookup_method_in_interfaces (methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS);
130 static void lookup_polymorphic_method (methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature,
131 KlassHandle current_klass, Handle *appendix_result_or_null, Handle *method_type_result, TRAPS);
132
133 static void resolve_klass (KlassHandle& result, constantPoolHandle pool, int index, TRAPS);
134
135 static void resolve_pool (KlassHandle& resolved_klass, Symbol*& method_name, Symbol*& method_signature, KlassHandle& current_klass, constantPoolHandle pool, int index, TRAPS);
136
137 static void resolve_interface_method(methodHandle& resolved_method, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS);
138 static void resolve_method (methodHandle& resolved_method, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access, bool require_methodref, TRAPS);
139
140 static void linktime_resolve_static_method (methodHandle& resolved_method, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS);
141 static void linktime_resolve_special_method (methodHandle& resolved_method, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS);
142 static void linktime_resolve_virtual_method (methodHandle &resolved_method, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature,KlassHandle current_klass, bool check_access, TRAPS);
143 static void linktime_resolve_interface_method (methodHandle& resolved_method, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS);
144
145 static void runtime_resolve_special_method (CallInfo& result, methodHandle resolved_method, KlassHandle resolved_klass, KlassHandle current_klass, bool check_access, TRAPS);
146 static void runtime_resolve_virtual_method (CallInfo& result, methodHandle resolved_method, KlassHandle resolved_klass, Handle recv, KlassHandle recv_klass, bool check_null_and_abstract, TRAPS);
147 static void runtime_resolve_interface_method (CallInfo& result, methodHandle resolved_method, KlassHandle resolved_klass, Handle recv, KlassHandle recv_klass, bool check_null_and_abstract, TRAPS);
148
149 static void check_field_accessability (KlassHandle ref_klass, KlassHandle resolved_klass, KlassHandle sel_klass, fieldDescriptor& fd, TRAPS);
150 static void check_method_accessability (KlassHandle ref_klass, KlassHandle resolved_klass, KlassHandle sel_klass, methodHandle sel_method, TRAPS);
151
152 public:
153 // constant pool resolving
154 static void check_klass_accessability(KlassHandle ref_klass, KlassHandle sel_klass, TRAPS);
155
156 // static resolving calls (will not run any Java code); used only from Bytecode_invoke::static_target
157 static void resolve_method_statically(methodHandle& method_result, KlassHandle& klass_result,
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107 // debugging
108 #ifdef ASSERT
109 bool has_vtable_index() const { return _call_index >= 0 && _call_kind != CallInfo::itable_call; }
110 bool is_statically_bound() const { return _call_index == Method::nonvirtual_vtable_index; }
111 #endif //ASSERT
112 void verify() PRODUCT_RETURN;
113 void print() PRODUCT_RETURN;
114 };
115
116 // Link information for getfield/putfield & getstatic/putstatic bytecodes
117 // is represented using a fieldDescriptor.
118
119 // The LinkResolver is used to resolve constant-pool references at run-time.
120 // It does all necessary link-time checks & throws exceptions if necessary.
121
122 class LinkResolver: AllStatic {
123 friend class klassVtable;
124 friend class klassItable;
125
126 private:
127 static void lookup_method_in_klasses (methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, bool checkpolymorphism, TRAPS);
128 static void lookup_instance_method_in_klasses (methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS);
129 static void lookup_method_in_interfaces (methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS);
130 static void lookup_polymorphic_method (methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature,
131 KlassHandle current_klass, Handle *appendix_result_or_null, Handle *method_type_result, TRAPS);
132
133 static void resolve_klass (KlassHandle& result, constantPoolHandle pool, int index, TRAPS);
134
135 static void resolve_pool (KlassHandle& resolved_klass, Symbol*& method_name, Symbol*& method_signature, KlassHandle& current_klass, constantPoolHandle pool, int index, TRAPS);
136
137 static void resolve_interface_method(methodHandle& resolved_method, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access, bool nostatics, TRAPS);
138 static void resolve_method (methodHandle& resolved_method, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access, bool require_methodref, TRAPS);
139
140 static void linktime_resolve_static_method (methodHandle& resolved_method, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS);
141 static void linktime_resolve_special_method (methodHandle& resolved_method, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS);
142 static void linktime_resolve_virtual_method (methodHandle &resolved_method, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature,KlassHandle current_klass, bool check_access, TRAPS);
143 static void linktime_resolve_interface_method (methodHandle& resolved_method, KlassHandle resolved_klass, Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS);
144
145 static void runtime_resolve_special_method (CallInfo& result, methodHandle resolved_method, KlassHandle resolved_klass, KlassHandle current_klass, bool check_access, TRAPS);
146 static void runtime_resolve_virtual_method (CallInfo& result, methodHandle resolved_method, KlassHandle resolved_klass, Handle recv, KlassHandle recv_klass, bool check_null_and_abstract, TRAPS);
147 static void runtime_resolve_interface_method (CallInfo& result, methodHandle resolved_method, KlassHandle resolved_klass, Handle recv, KlassHandle recv_klass, bool check_null_and_abstract, TRAPS);
148
149 static void check_field_accessability (KlassHandle ref_klass, KlassHandle resolved_klass, KlassHandle sel_klass, fieldDescriptor& fd, TRAPS);
150 static void check_method_accessability (KlassHandle ref_klass, KlassHandle resolved_klass, KlassHandle sel_klass, methodHandle sel_method, TRAPS);
151
152 public:
153 // constant pool resolving
154 static void check_klass_accessability(KlassHandle ref_klass, KlassHandle sel_klass, TRAPS);
155
156 // static resolving calls (will not run any Java code); used only from Bytecode_invoke::static_target
157 static void resolve_method_statically(methodHandle& method_result, KlassHandle& klass_result,
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