124 };
125
126 typedef const TypeFunc*(*TypeFunc_generator)();
127
128 class OptoRuntime : public AllStatic {
129 friend class Matcher; // allow access to stub names
130
131 private:
132 // define stubs
133 static address generate_stub(ciEnv* ci_env, TypeFunc_generator gen, address C_function, const char *name, int is_fancy_jump, bool pass_tls, bool save_arguments, bool return_pc);
134
135 // References to generated stubs
136 static address _new_instance_Java;
137 static address _new_array_Java;
138 static address _new_array_nozero_Java;
139 static address _multianewarray2_Java;
140 static address _multianewarray3_Java;
141 static address _multianewarray4_Java;
142 static address _multianewarray5_Java;
143 static address _multianewarrayN_Java;
144 static address _g1_wb_pre_Java;
145 static address _g1_wb_post_Java;
146 static address _vtable_must_compile_Java;
147 static address _complete_monitor_locking_Java;
148 static address _rethrow_Java;
149 static address _monitor_notify_Java;
150 static address _monitor_notifyAll_Java;
151
152 static address _slow_arraycopy_Java;
153 static address _register_finalizer_Java;
154
155 //
156 // Implementation of runtime methods
157 // =================================
158
159 // Allocate storage for a Java instance.
160 static void new_instance_C(Klass* instance_klass, JavaThread *thread);
161
162 // Allocate storage for a objArray or typeArray
163 static void new_array_C(Klass* array_klass, int len, JavaThread *thread);
164 static void new_array_nozero_C(Klass* array_klass, int len, JavaThread *thread);
165
166 // Post-slow-path-allocation, pre-initializing-stores step for
167 // implementing ReduceInitialCardMarks
168 static void new_store_pre_barrier(JavaThread* thread);
169
170 // Allocate storage for a multi-dimensional arrays
171 // Note: needs to be fixed for arbitrary number of dimensions
172 static void multianewarray2_C(Klass* klass, int len1, int len2, JavaThread *thread);
173 static void multianewarray3_C(Klass* klass, int len1, int len2, int len3, JavaThread *thread);
174 static void multianewarray4_C(Klass* klass, int len1, int len2, int len3, int len4, JavaThread *thread);
175 static void multianewarray5_C(Klass* klass, int len1, int len2, int len3, int len4, int len5, JavaThread *thread);
176 static void multianewarrayN_C(Klass* klass, arrayOopDesc* dims, JavaThread *thread);
177 static void g1_wb_pre_C(oopDesc* orig, JavaThread* thread);
178 static void g1_wb_post_C(void* card_addr, JavaThread* thread);
179
180 public:
181 // Slow-path Locking and Unlocking
182 static void complete_monitor_locking_C(oopDesc* obj, BasicLock* lock, JavaThread* thread);
183 static void complete_monitor_unlocking_C(oopDesc* obj, BasicLock* lock, JavaThread* thread);
184
185 static void monitor_notify_C(oopDesc* obj, JavaThread* thread);
186 static void monitor_notifyAll_C(oopDesc* obj, JavaThread* thread);
187
188 private:
189
190 // Implicit exception support
191 static void throw_null_exception_C(JavaThread* thread);
192
193 // Exception handling
194 static address handle_exception_C (JavaThread* thread);
195 static address handle_exception_C_helper(JavaThread* thread, nmethod*& nm);
196 static address rethrow_C (oopDesc* exception, JavaThread *thread, address return_pc );
197 static void deoptimize_caller_frame (JavaThread *thread);
198 static void deoptimize_caller_frame (JavaThread *thread, bool doit);
210
211 static bool is_callee_saved_register(MachRegisterNumbers reg);
212
213 // One time only generate runtime code stubs. Returns true
214 // when runtime stubs have been generated successfully and
215 // false otherwise.
216 static bool generate(ciEnv* env);
217
218 // Returns the name of a stub
219 static const char* stub_name(address entry);
220
221 // access to runtime stubs entry points for java code
222 static address new_instance_Java() { return _new_instance_Java; }
223 static address new_array_Java() { return _new_array_Java; }
224 static address new_array_nozero_Java() { return _new_array_nozero_Java; }
225 static address multianewarray2_Java() { return _multianewarray2_Java; }
226 static address multianewarray3_Java() { return _multianewarray3_Java; }
227 static address multianewarray4_Java() { return _multianewarray4_Java; }
228 static address multianewarray5_Java() { return _multianewarray5_Java; }
229 static address multianewarrayN_Java() { return _multianewarrayN_Java; }
230 static address g1_wb_pre_Java() { return _g1_wb_pre_Java; }
231 static address g1_wb_post_Java() { return _g1_wb_post_Java; }
232 static address vtable_must_compile_stub() { return _vtable_must_compile_Java; }
233 static address complete_monitor_locking_Java() { return _complete_monitor_locking_Java; }
234 static address monitor_notify_Java() { return _monitor_notify_Java; }
235 static address monitor_notifyAll_Java() { return _monitor_notifyAll_Java; }
236
237 static address slow_arraycopy_Java() { return _slow_arraycopy_Java; }
238 static address register_finalizer_Java() { return _register_finalizer_Java; }
239
240 static ExceptionBlob* exception_blob() { return _exception_blob; }
241
242 // Leaf routines helping with method data update
243 static void profile_receiver_type_C(DataLayout* data, oopDesc* receiver);
244
245 // Implicit exception support
246 static void throw_div0_exception_C (JavaThread* thread);
247 static void throw_stack_overflow_error_C(JavaThread* thread);
248
249 // Exception handling
250 static address rethrow_stub() { return _rethrow_Java; }
251
252
253 // Type functions
254 // ======================================================
255
256 static const TypeFunc* new_instance_Type(); // object allocation (slow case)
257 static const TypeFunc* new_array_Type (); // [a]newarray (slow case)
258 static const TypeFunc* multianewarray_Type(int ndim); // multianewarray
259 static const TypeFunc* multianewarray2_Type(); // multianewarray
260 static const TypeFunc* multianewarray3_Type(); // multianewarray
261 static const TypeFunc* multianewarray4_Type(); // multianewarray
262 static const TypeFunc* multianewarray5_Type(); // multianewarray
263 static const TypeFunc* multianewarrayN_Type(); // multianewarray
264 static const TypeFunc* g1_wb_pre_Type();
265 static const TypeFunc* g1_wb_post_Type();
266 static const TypeFunc* complete_monitor_enter_Type();
267 static const TypeFunc* complete_monitor_exit_Type();
268 static const TypeFunc* monitor_notify_Type();
269 static const TypeFunc* uncommon_trap_Type();
270 static const TypeFunc* athrow_Type();
271 static const TypeFunc* rethrow_Type();
272 static const TypeFunc* Math_D_D_Type(); // sin,cos & friends
273 static const TypeFunc* Math_DD_D_Type(); // mod,pow & friends
274 static const TypeFunc* modf_Type();
275 static const TypeFunc* l2f_Type();
276 static const TypeFunc* void_long_Type();
277
278 static const TypeFunc* flush_windows_Type();
279
280 // arraycopy routine types
281 static const TypeFunc* fast_arraycopy_Type(); // bit-blasters
282 static const TypeFunc* checkcast_arraycopy_Type();
283 static const TypeFunc* generic_arraycopy_Type();
284 static const TypeFunc* slow_arraycopy_Type(); // the full routine
285
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124 };
125
126 typedef const TypeFunc*(*TypeFunc_generator)();
127
128 class OptoRuntime : public AllStatic {
129 friend class Matcher; // allow access to stub names
130
131 private:
132 // define stubs
133 static address generate_stub(ciEnv* ci_env, TypeFunc_generator gen, address C_function, const char *name, int is_fancy_jump, bool pass_tls, bool save_arguments, bool return_pc);
134
135 // References to generated stubs
136 static address _new_instance_Java;
137 static address _new_array_Java;
138 static address _new_array_nozero_Java;
139 static address _multianewarray2_Java;
140 static address _multianewarray3_Java;
141 static address _multianewarray4_Java;
142 static address _multianewarray5_Java;
143 static address _multianewarrayN_Java;
144 static address _vtable_must_compile_Java;
145 static address _complete_monitor_locking_Java;
146 static address _rethrow_Java;
147 static address _monitor_notify_Java;
148 static address _monitor_notifyAll_Java;
149
150 static address _slow_arraycopy_Java;
151 static address _register_finalizer_Java;
152
153 //
154 // Implementation of runtime methods
155 // =================================
156
157 // Allocate storage for a Java instance.
158 static void new_instance_C(Klass* instance_klass, JavaThread *thread);
159
160 // Allocate storage for a objArray or typeArray
161 static void new_array_C(Klass* array_klass, int len, JavaThread *thread);
162 static void new_array_nozero_C(Klass* array_klass, int len, JavaThread *thread);
163
164 // Allocate storage for a multi-dimensional arrays
165 // Note: needs to be fixed for arbitrary number of dimensions
166 static void multianewarray2_C(Klass* klass, int len1, int len2, JavaThread *thread);
167 static void multianewarray3_C(Klass* klass, int len1, int len2, int len3, JavaThread *thread);
168 static void multianewarray4_C(Klass* klass, int len1, int len2, int len3, int len4, JavaThread *thread);
169 static void multianewarray5_C(Klass* klass, int len1, int len2, int len3, int len4, int len5, JavaThread *thread);
170 static void multianewarrayN_C(Klass* klass, arrayOopDesc* dims, JavaThread *thread);
171
172 public:
173 // Slow-path Locking and Unlocking
174 static void complete_monitor_locking_C(oopDesc* obj, BasicLock* lock, JavaThread* thread);
175 static void complete_monitor_unlocking_C(oopDesc* obj, BasicLock* lock, JavaThread* thread);
176
177 static void monitor_notify_C(oopDesc* obj, JavaThread* thread);
178 static void monitor_notifyAll_C(oopDesc* obj, JavaThread* thread);
179
180 private:
181
182 // Implicit exception support
183 static void throw_null_exception_C(JavaThread* thread);
184
185 // Exception handling
186 static address handle_exception_C (JavaThread* thread);
187 static address handle_exception_C_helper(JavaThread* thread, nmethod*& nm);
188 static address rethrow_C (oopDesc* exception, JavaThread *thread, address return_pc );
189 static void deoptimize_caller_frame (JavaThread *thread);
190 static void deoptimize_caller_frame (JavaThread *thread, bool doit);
202
203 static bool is_callee_saved_register(MachRegisterNumbers reg);
204
205 // One time only generate runtime code stubs. Returns true
206 // when runtime stubs have been generated successfully and
207 // false otherwise.
208 static bool generate(ciEnv* env);
209
210 // Returns the name of a stub
211 static const char* stub_name(address entry);
212
213 // access to runtime stubs entry points for java code
214 static address new_instance_Java() { return _new_instance_Java; }
215 static address new_array_Java() { return _new_array_Java; }
216 static address new_array_nozero_Java() { return _new_array_nozero_Java; }
217 static address multianewarray2_Java() { return _multianewarray2_Java; }
218 static address multianewarray3_Java() { return _multianewarray3_Java; }
219 static address multianewarray4_Java() { return _multianewarray4_Java; }
220 static address multianewarray5_Java() { return _multianewarray5_Java; }
221 static address multianewarrayN_Java() { return _multianewarrayN_Java; }
222 static address vtable_must_compile_stub() { return _vtable_must_compile_Java; }
223 static address complete_monitor_locking_Java() { return _complete_monitor_locking_Java; }
224 static address monitor_notify_Java() { return _monitor_notify_Java; }
225 static address monitor_notifyAll_Java() { return _monitor_notifyAll_Java; }
226
227 static address slow_arraycopy_Java() { return _slow_arraycopy_Java; }
228 static address register_finalizer_Java() { return _register_finalizer_Java; }
229
230 static ExceptionBlob* exception_blob() { return _exception_blob; }
231
232 // Leaf routines helping with method data update
233 static void profile_receiver_type_C(DataLayout* data, oopDesc* receiver);
234
235 // Implicit exception support
236 static void throw_div0_exception_C (JavaThread* thread);
237 static void throw_stack_overflow_error_C(JavaThread* thread);
238
239 // Exception handling
240 static address rethrow_stub() { return _rethrow_Java; }
241
242
243 // Type functions
244 // ======================================================
245
246 static const TypeFunc* new_instance_Type(); // object allocation (slow case)
247 static const TypeFunc* new_array_Type (); // [a]newarray (slow case)
248 static const TypeFunc* multianewarray_Type(int ndim); // multianewarray
249 static const TypeFunc* multianewarray2_Type(); // multianewarray
250 static const TypeFunc* multianewarray3_Type(); // multianewarray
251 static const TypeFunc* multianewarray4_Type(); // multianewarray
252 static const TypeFunc* multianewarray5_Type(); // multianewarray
253 static const TypeFunc* multianewarrayN_Type(); // multianewarray
254 static const TypeFunc* complete_monitor_enter_Type();
255 static const TypeFunc* complete_monitor_exit_Type();
256 static const TypeFunc* monitor_notify_Type();
257 static const TypeFunc* uncommon_trap_Type();
258 static const TypeFunc* athrow_Type();
259 static const TypeFunc* rethrow_Type();
260 static const TypeFunc* Math_D_D_Type(); // sin,cos & friends
261 static const TypeFunc* Math_DD_D_Type(); // mod,pow & friends
262 static const TypeFunc* modf_Type();
263 static const TypeFunc* l2f_Type();
264 static const TypeFunc* void_long_Type();
265
266 static const TypeFunc* flush_windows_Type();
267
268 // arraycopy routine types
269 static const TypeFunc* fast_arraycopy_Type(); // bit-blasters
270 static const TypeFunc* checkcast_arraycopy_Type();
271 static const TypeFunc* generic_arraycopy_Type();
272 static const TypeFunc* slow_arraycopy_Type(); // the full routine
273
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