155 inline InstanceKlass* ik() const;
156 };
157
158
159 // private helper class for klassVtable
160 // description of entry points:
161 // destination is interpreted:
162 // from_compiled_code_entry_point -> c2iadapter
163 // from_interpreter_entry_point -> interpreter entry point
164 // destination is compiled:
165 // from_compiled_code_entry_point -> nmethod entry point
166 // from_interpreter_entry_point -> i2cadapter
167 class vtableEntry VALUE_OBJ_CLASS_SPEC {
168 friend class VMStructs;
169
170 public:
171 // size in words
172 static int size() {
173 return sizeof(vtableEntry) / sizeof(HeapWord);
174 }
175 static int method_offset_in_bytes() { return offset_of(vtableEntry, _method); }
176 Method* method() const { return _method; }
177
178 private:
179 Method* _method;
180 void set(Method* method) { assert(method != NULL, "use clear"); _method = method; }
181 void clear() { _method = NULL; }
182 void print() PRODUCT_RETURN;
183 void verify(klassVtable* vt, outputStream* st);
184
185 friend class klassVtable;
186 };
187
188
189 inline Method* klassVtable::method_at(int i) const {
190 assert(i >= 0 && i < _length, "index out of bounds");
191 assert(table()[i].method() != NULL, "should not be null");
192 assert(((Metadata*)table()[i].method())->is_method(), "should be method");
193 return table()[i].method();
194 }
|
155 inline InstanceKlass* ik() const;
156 };
157
158
159 // private helper class for klassVtable
160 // description of entry points:
161 // destination is interpreted:
162 // from_compiled_code_entry_point -> c2iadapter
163 // from_interpreter_entry_point -> interpreter entry point
164 // destination is compiled:
165 // from_compiled_code_entry_point -> nmethod entry point
166 // from_interpreter_entry_point -> i2cadapter
167 class vtableEntry VALUE_OBJ_CLASS_SPEC {
168 friend class VMStructs;
169
170 public:
171 // size in words
172 static int size() {
173 return sizeof(vtableEntry) / sizeof(HeapWord);
174 }
175 static int size_in_bytes() {
176 return sizeof(vtableEntry);
177 }
178 static int method_offset_in_bytes() { return offset_of(vtableEntry, _method); }
179 Method* method() const { return _method; }
180
181 private:
182 Method* _method;
183 void set(Method* method) { assert(method != NULL, "use clear"); _method = method; }
184 void clear() { _method = NULL; }
185 void print() PRODUCT_RETURN;
186 void verify(klassVtable* vt, outputStream* st);
187
188 friend class klassVtable;
189 };
190
191
192 inline Method* klassVtable::method_at(int i) const {
193 assert(i >= 0 && i < _length, "index out of bounds");
194 assert(table()[i].method() != NULL, "should not be null");
195 assert(((Metadata*)table()[i].method())->is_method(), "should be method");
196 return table()[i].method();
197 }
|