108 friend class Matcher; // allow access to stub names
109 friend class AOTCodeAddressTable;
110
111 private:
112 // declare opto stub address/blob holder static fields
113 #define C2_BLOB_FIELD_DECLARE(name, type) \
114 static type* BLOB_FIELD_NAME(name);
115 #define C2_STUB_FIELD_NAME(name) _ ## name ## _Java
116 #define C2_STUB_FIELD_DECLARE(name, f, t, r) \
117 static address C2_STUB_FIELD_NAME(name) ;
118
119 C2_STUBS_DO(C2_BLOB_FIELD_DECLARE, C2_STUB_FIELD_DECLARE)
120
121 #undef C2_BLOB_FIELD_DECLARE
122 #undef C2_STUB_FIELD_NAME
123 #undef C2_STUB_FIELD_DECLARE
124
125 // static TypeFunc* data members
126 static const TypeFunc* _new_instance_Type;
127 static const TypeFunc* _new_array_Type;
128 static const TypeFunc* _multianewarray2_Type;
129 static const TypeFunc* _multianewarray3_Type;
130 static const TypeFunc* _multianewarray4_Type;
131 static const TypeFunc* _multianewarray5_Type;
132 static const TypeFunc* _multianewarrayN_Type;
133 static const TypeFunc* _complete_monitor_enter_Type;
134 static const TypeFunc* _complete_monitor_exit_Type;
135 static const TypeFunc* _monitor_notify_Type;
136 static const TypeFunc* _uncommon_trap_Type;
137 static const TypeFunc* _athrow_Type;
138 static const TypeFunc* _rethrow_Type;
139 static const TypeFunc* _Math_D_D_Type;
140 static const TypeFunc* _Math_DD_D_Type;
141 static const TypeFunc* _modf_Type;
142 static const TypeFunc* _l2f_Type;
143 static const TypeFunc* _void_long_Type;
144 static const TypeFunc* _void_void_Type;
145 static const TypeFunc* _jfr_write_checkpoint_Type;
146 static const TypeFunc* _flush_windows_Type;
147 static const TypeFunc* _fast_arraycopy_Type;
192 static const TypeFunc* _updateBytesCRC32_Type;
193 static const TypeFunc* _updateBytesCRC32C_Type;
194 static const TypeFunc* _updateBytesAdler32_Type;
195 static const TypeFunc* _osr_end_Type;
196 static const TypeFunc* _register_finalizer_Type;
197 static const TypeFunc* _vthread_transition_Type;
198 #if INCLUDE_JFR
199 static const TypeFunc* _class_id_load_barrier_Type;
200 #endif // INCLUDE_JFR
201 static const TypeFunc* _dtrace_method_entry_exit_Type;
202 static const TypeFunc* _dtrace_object_alloc_Type;
203
204 // define stubs
205 static address generate_stub(ciEnv* ci_env, TypeFunc_generator gen, address C_function, const char* name, StubId stub_id, int is_fancy_jump, bool pass_tls, bool return_pc);
206
207 //
208 // Implementation of runtime methods
209 // =================================
210
211 // Allocate storage for a Java instance.
212 static void new_instance_C(Klass* instance_klass, JavaThread* current);
213
214 // Allocate storage for a objArray or typeArray
215 static void new_array_C(Klass* array_klass, int len, JavaThread* current);
216 static void new_array_nozero_C(Klass* array_klass, int len, JavaThread* current);
217
218 // Allocate storage for a multi-dimensional arrays
219 // Note: needs to be fixed for arbitrary number of dimensions
220 static void multianewarray2_C(Klass* klass, int len1, int len2, JavaThread* current);
221 static void multianewarray3_C(Klass* klass, int len1, int len2, int len3, JavaThread* current);
222 static void multianewarray4_C(Klass* klass, int len1, int len2, int len3, int len4, JavaThread* current);
223 static void multianewarray5_C(Klass* klass, int len1, int len2, int len3, int len4, int len5, JavaThread* current);
224 static void multianewarrayN_C(Klass* klass, arrayOopDesc* dims, JavaThread* current);
225
226 // local methods passed as arguments to stub generator that forward
227 // control to corresponding JRT methods of SharedRuntime
228 static void slow_arraycopy_C(oopDesc* src, jint src_pos,
229 oopDesc* dest, jint dest_pos,
230 jint length, JavaThread* thread);
231 static void complete_monitor_locking_C(oopDesc* obj, BasicLock* lock, JavaThread* current);
232
233 public:
234 static void monitor_notify_C(oopDesc* obj, JavaThread* current);
235 static void monitor_notifyAll_C(oopDesc* obj, JavaThread* current);
244 // Implicit exception support
245 static void throw_null_exception_C(JavaThread* thread);
246
247 // Exception handling
248 static address handle_exception_C (JavaThread* current);
249 static address handle_exception_C_helper(JavaThread* current, nmethod*& nm);
250 static address rethrow_C (oopDesc* exception, JavaThread *thread, address return_pc );
251 static void deoptimize_caller_frame (JavaThread *thread);
252 static void deoptimize_caller_frame (JavaThread *thread, bool doit);
253 static bool is_deoptimized_caller_frame (JavaThread *thread);
254
255 // CodeBlob support
256 // ===================================================================
257
258 static UncommonTrapBlob* generate_uncommon_trap_blob(void);
259 static ExceptionBlob* generate_exception_blob();
260
261 static void register_finalizer_C(oopDesc* obj, JavaThread* current);
262
263 public:
264
265 static bool is_callee_saved_register(MachRegisterNumbers reg);
266
267 // One time only generate runtime code stubs. Returns true
268 // when runtime stubs have been generated successfully and
269 // false otherwise.
270 static bool generate(ciEnv* env);
271
272 // Returns the name of a stub
273 static const char* stub_name(address entry);
274
275 // Returns the name associated with a given stub id
276 static const char* stub_name(StubId id) {
277 assert(StubInfo::is_c2(id), "not a C2 stub %s", StubInfo::name(id));
278 return StubInfo::name(id);
279 }
280
281 // access to runtime stubs entry points for java code
282 static address new_instance_Java() { return _new_instance_Java; }
283 static address new_array_Java() { return _new_array_Java; }
284 static address new_array_nozero_Java() { return _new_array_nozero_Java; }
285 static address multianewarray2_Java() { return _multianewarray2_Java; }
286 static address multianewarray3_Java() { return _multianewarray3_Java; }
287 static address multianewarray4_Java() { return _multianewarray4_Java; }
288 static address multianewarray5_Java() { return _multianewarray5_Java; }
289 static address multianewarrayN_Java() { return _multianewarrayN_Java; }
290 static address complete_monitor_locking_Java() { return _complete_monitor_locking_Java; }
291 static address monitor_notify_Java() { return _monitor_notify_Java; }
292 static address monitor_notifyAll_Java() { return _monitor_notifyAll_Java; }
293
294 static address slow_arraycopy_Java() { return _slow_arraycopy_Java; }
295 static address register_finalizer_Java() { return _register_finalizer_Java; }
296
297 static address vthread_end_first_transition_Java() { return _vthread_end_first_transition_Java; }
298 static address vthread_start_final_transition_Java() { return _vthread_start_final_transition_Java; }
299 static address vthread_start_transition_Java() { return _vthread_start_transition_Java; }
300 static address vthread_end_transition_Java() { return _vthread_end_transition_Java; }
301
302 static UncommonTrapBlob* uncommon_trap_blob() { return _uncommon_trap_blob; }
303 static ExceptionBlob* exception_blob() { return _exception_blob; }
304
305 // Implicit exception support
306 static void throw_div0_exception_C (JavaThread* thread);
307 static void throw_stack_overflow_error_C(JavaThread* thread);
308
309 // Exception handling
310 static address rethrow_stub() { return _rethrow_Java; }
311
312
313 // Type functions
314 // ======================================================
315
316 static inline const TypeFunc* new_instance_Type() {
317 assert(_new_instance_Type != nullptr, "should be initialized");
318 return _new_instance_Type;
319 }
320
321 static inline const TypeFunc* new_array_Type() {
322 assert(_new_array_Type != nullptr, "should be initialized");
323 return _new_array_Type;
324 }
325
326 static inline const TypeFunc* new_array_nozero_Type() {
327 return new_array_Type();
328 }
329
330 static const TypeFunc* multianewarray_Type(int ndim); // multianewarray
331
332 static inline const TypeFunc* multianewarray2_Type() {
333 assert(_multianewarray2_Type != nullptr, "should be initialized");
334 return _multianewarray2_Type;
335 }
336
337 static inline const TypeFunc* multianewarray3_Type() {
338 assert(_multianewarray3_Type != nullptr, "should be initialized");
339 return _multianewarray3_Type;
340 }
341
342 static inline const TypeFunc* multianewarray4_Type() {
343 assert(_multianewarray4_Type != nullptr, "should be initialized");
344 return _multianewarray4_Type;
345 }
346
347 static inline const TypeFunc* multianewarray5_Type() {
728
729 static inline const TypeFunc* vthread_start_final_transition_Type() {
730 return vthread_transition_Type();
731 }
732
733 static inline const TypeFunc* vthread_start_transition_Type() {
734 return vthread_transition_Type();
735 }
736
737 static inline const TypeFunc* vthread_end_transition_Type() {
738 return vthread_transition_Type();
739 }
740
741 #if INCLUDE_JFR
742 static inline const TypeFunc* class_id_load_barrier_Type() {
743 assert(_class_id_load_barrier_Type != nullptr, "should be initialized");
744 return _class_id_load_barrier_Type;
745 }
746 #endif // INCLUDE_JFR
747
748 // Dtrace support. entry and exit probes have the same signature
749 static inline const TypeFunc* dtrace_method_entry_exit_Type() {
750 assert(_dtrace_method_entry_exit_Type != nullptr, "should be initialized");
751 return _dtrace_method_entry_exit_Type;
752 }
753
754 static inline const TypeFunc* dtrace_object_alloc_Type() {
755 assert(_dtrace_object_alloc_Type != nullptr, "should be initialized");
756 return _dtrace_object_alloc_Type;
757 }
758
759 #ifndef PRODUCT
760 // Signature for runtime calls in debug printing nodes, which depends on which nodes are actually passed
761 // Note: we do not allow more than 7 node arguments as GraphKit::make_runtime_call only allows 8, and we need
762 // one for the static string
763 static const TypeFunc* debug_print_Type(Node* parm0 = nullptr, Node* parm1 = nullptr,
764 Node* parm2 = nullptr, Node* parm3 = nullptr,
765 Node* parm4 = nullptr, Node* parm5 = nullptr,
766 Node* parm6 = nullptr);
767 #endif // PRODUCT
|
108 friend class Matcher; // allow access to stub names
109 friend class AOTCodeAddressTable;
110
111 private:
112 // declare opto stub address/blob holder static fields
113 #define C2_BLOB_FIELD_DECLARE(name, type) \
114 static type* BLOB_FIELD_NAME(name);
115 #define C2_STUB_FIELD_NAME(name) _ ## name ## _Java
116 #define C2_STUB_FIELD_DECLARE(name, f, t, r) \
117 static address C2_STUB_FIELD_NAME(name) ;
118
119 C2_STUBS_DO(C2_BLOB_FIELD_DECLARE, C2_STUB_FIELD_DECLARE)
120
121 #undef C2_BLOB_FIELD_DECLARE
122 #undef C2_STUB_FIELD_NAME
123 #undef C2_STUB_FIELD_DECLARE
124
125 // static TypeFunc* data members
126 static const TypeFunc* _new_instance_Type;
127 static const TypeFunc* _new_array_Type;
128 static const TypeFunc* _new_array_nozero_Type;
129 static const TypeFunc* _multianewarray2_Type;
130 static const TypeFunc* _multianewarray3_Type;
131 static const TypeFunc* _multianewarray4_Type;
132 static const TypeFunc* _multianewarray5_Type;
133 static const TypeFunc* _multianewarrayN_Type;
134 static const TypeFunc* _complete_monitor_enter_Type;
135 static const TypeFunc* _complete_monitor_exit_Type;
136 static const TypeFunc* _monitor_notify_Type;
137 static const TypeFunc* _uncommon_trap_Type;
138 static const TypeFunc* _athrow_Type;
139 static const TypeFunc* _rethrow_Type;
140 static const TypeFunc* _Math_D_D_Type;
141 static const TypeFunc* _Math_DD_D_Type;
142 static const TypeFunc* _modf_Type;
143 static const TypeFunc* _l2f_Type;
144 static const TypeFunc* _void_long_Type;
145 static const TypeFunc* _void_void_Type;
146 static const TypeFunc* _jfr_write_checkpoint_Type;
147 static const TypeFunc* _flush_windows_Type;
148 static const TypeFunc* _fast_arraycopy_Type;
193 static const TypeFunc* _updateBytesCRC32_Type;
194 static const TypeFunc* _updateBytesCRC32C_Type;
195 static const TypeFunc* _updateBytesAdler32_Type;
196 static const TypeFunc* _osr_end_Type;
197 static const TypeFunc* _register_finalizer_Type;
198 static const TypeFunc* _vthread_transition_Type;
199 #if INCLUDE_JFR
200 static const TypeFunc* _class_id_load_barrier_Type;
201 #endif // INCLUDE_JFR
202 static const TypeFunc* _dtrace_method_entry_exit_Type;
203 static const TypeFunc* _dtrace_object_alloc_Type;
204
205 // define stubs
206 static address generate_stub(ciEnv* ci_env, TypeFunc_generator gen, address C_function, const char* name, StubId stub_id, int is_fancy_jump, bool pass_tls, bool return_pc);
207
208 //
209 // Implementation of runtime methods
210 // =================================
211
212 // Allocate storage for a Java instance.
213 static void new_instance_C(Klass* instance_klass, bool is_larval, JavaThread* current);
214
215 // Allocate storage for a objArray or typeArray
216 static void new_array_C(Klass* array_klass, int len, oopDesc* init_val, JavaThread* current);
217 static void new_array_nozero_C(Klass* array_klass, int len, JavaThread* current);
218
219 // Allocate storage for a multi-dimensional arrays
220 // Note: needs to be fixed for arbitrary number of dimensions
221 static void multianewarray2_C(Klass* klass, int len1, int len2, JavaThread* current);
222 static void multianewarray3_C(Klass* klass, int len1, int len2, int len3, JavaThread* current);
223 static void multianewarray4_C(Klass* klass, int len1, int len2, int len3, int len4, JavaThread* current);
224 static void multianewarray5_C(Klass* klass, int len1, int len2, int len3, int len4, int len5, JavaThread* current);
225 static void multianewarrayN_C(Klass* klass, arrayOopDesc* dims, JavaThread* current);
226
227 // local methods passed as arguments to stub generator that forward
228 // control to corresponding JRT methods of SharedRuntime
229 static void slow_arraycopy_C(oopDesc* src, jint src_pos,
230 oopDesc* dest, jint dest_pos,
231 jint length, JavaThread* thread);
232 static void complete_monitor_locking_C(oopDesc* obj, BasicLock* lock, JavaThread* current);
233
234 public:
235 static void monitor_notify_C(oopDesc* obj, JavaThread* current);
236 static void monitor_notifyAll_C(oopDesc* obj, JavaThread* current);
245 // Implicit exception support
246 static void throw_null_exception_C(JavaThread* thread);
247
248 // Exception handling
249 static address handle_exception_C (JavaThread* current);
250 static address handle_exception_C_helper(JavaThread* current, nmethod*& nm);
251 static address rethrow_C (oopDesc* exception, JavaThread *thread, address return_pc );
252 static void deoptimize_caller_frame (JavaThread *thread);
253 static void deoptimize_caller_frame (JavaThread *thread, bool doit);
254 static bool is_deoptimized_caller_frame (JavaThread *thread);
255
256 // CodeBlob support
257 // ===================================================================
258
259 static UncommonTrapBlob* generate_uncommon_trap_blob(void);
260 static ExceptionBlob* generate_exception_blob();
261
262 static void register_finalizer_C(oopDesc* obj, JavaThread* current);
263
264 public:
265 static void load_unknown_inline_C(flatArrayOopDesc* array, int index, JavaThread* current);
266 static void store_unknown_inline_C(instanceOopDesc* buffer, flatArrayOopDesc* array, int index, JavaThread* current);
267
268 static bool is_callee_saved_register(MachRegisterNumbers reg);
269
270 // One time only generate runtime code stubs. Returns true
271 // when runtime stubs have been generated successfully and
272 // false otherwise.
273 static bool generate(ciEnv* env);
274
275 // Returns the name of a stub
276 static const char* stub_name(address entry);
277
278 // Returns the name associated with a given stub id
279 static const char* stub_name(StubId id) {
280 assert(StubInfo::is_c2(id), "not a C2 stub %s", StubInfo::name(id));
281 return StubInfo::name(id);
282 }
283
284 // access to runtime stubs entry points for java code
285 static address new_instance_Java() { return _new_instance_Java; }
286 static address new_array_Java() { return _new_array_Java; }
287 static address new_array_nozero_Java() { return _new_array_nozero_Java; }
288 static address multianewarray2_Java() { return _multianewarray2_Java; }
289 static address multianewarray3_Java() { return _multianewarray3_Java; }
290 static address multianewarray4_Java() { return _multianewarray4_Java; }
291 static address multianewarray5_Java() { return _multianewarray5_Java; }
292 static address multianewarrayN_Java() { return _multianewarrayN_Java; }
293 static address complete_monitor_locking_Java() { return _complete_monitor_locking_Java; }
294 static address monitor_notify_Java() { return _monitor_notify_Java; }
295 static address monitor_notifyAll_Java() { return _monitor_notifyAll_Java; }
296
297 static address slow_arraycopy_Java() { return _slow_arraycopy_Java; }
298 static address register_finalizer_Java() { return _register_finalizer_Java; }
299 static address load_unknown_inline_Java() { return _load_unknown_inline_Java; }
300 static address store_unknown_inline_Java() { return _store_unknown_inline_Java; }
301
302 static address vthread_end_first_transition_Java() { return _vthread_end_first_transition_Java; }
303 static address vthread_start_final_transition_Java() { return _vthread_start_final_transition_Java; }
304 static address vthread_start_transition_Java() { return _vthread_start_transition_Java; }
305 static address vthread_end_transition_Java() { return _vthread_end_transition_Java; }
306
307 static UncommonTrapBlob* uncommon_trap_blob() { return _uncommon_trap_blob; }
308 static ExceptionBlob* exception_blob() { return _exception_blob; }
309
310 // Implicit exception support
311 static void throw_div0_exception_C (JavaThread* thread);
312 static void throw_stack_overflow_error_C(JavaThread* thread);
313
314 // Exception handling
315 static address rethrow_stub() { return _rethrow_Java; }
316
317
318 // Type functions
319 // ======================================================
320
321 static inline const TypeFunc* new_instance_Type() {
322 assert(_new_instance_Type != nullptr, "should be initialized");
323 return _new_instance_Type;
324 }
325
326 static inline const TypeFunc* new_array_Type() {
327 assert(_new_array_Type != nullptr, "should be initialized");
328 return _new_array_Type;
329 }
330
331 static inline const TypeFunc* new_array_nozero_Type() {
332 assert(_new_array_nozero_Type != nullptr, "should be initialized");
333 return _new_array_nozero_Type;
334 }
335
336 static const TypeFunc* multianewarray_Type(int ndim); // multianewarray
337
338 static inline const TypeFunc* multianewarray2_Type() {
339 assert(_multianewarray2_Type != nullptr, "should be initialized");
340 return _multianewarray2_Type;
341 }
342
343 static inline const TypeFunc* multianewarray3_Type() {
344 assert(_multianewarray3_Type != nullptr, "should be initialized");
345 return _multianewarray3_Type;
346 }
347
348 static inline const TypeFunc* multianewarray4_Type() {
349 assert(_multianewarray4_Type != nullptr, "should be initialized");
350 return _multianewarray4_Type;
351 }
352
353 static inline const TypeFunc* multianewarray5_Type() {
734
735 static inline const TypeFunc* vthread_start_final_transition_Type() {
736 return vthread_transition_Type();
737 }
738
739 static inline const TypeFunc* vthread_start_transition_Type() {
740 return vthread_transition_Type();
741 }
742
743 static inline const TypeFunc* vthread_end_transition_Type() {
744 return vthread_transition_Type();
745 }
746
747 #if INCLUDE_JFR
748 static inline const TypeFunc* class_id_load_barrier_Type() {
749 assert(_class_id_load_barrier_Type != nullptr, "should be initialized");
750 return _class_id_load_barrier_Type;
751 }
752 #endif // INCLUDE_JFR
753
754 static const TypeFunc* load_unknown_inline_Type();
755 static const TypeFunc* store_unknown_inline_Type();
756
757 static const TypeFunc* store_inline_type_fields_Type();
758 static const TypeFunc* pack_inline_type_Type();
759
760 // Dtrace support. entry and exit probes have the same signature
761 static inline const TypeFunc* dtrace_method_entry_exit_Type() {
762 assert(_dtrace_method_entry_exit_Type != nullptr, "should be initialized");
763 return _dtrace_method_entry_exit_Type;
764 }
765
766 static inline const TypeFunc* dtrace_object_alloc_Type() {
767 assert(_dtrace_object_alloc_Type != nullptr, "should be initialized");
768 return _dtrace_object_alloc_Type;
769 }
770
771 #ifndef PRODUCT
772 // Signature for runtime calls in debug printing nodes, which depends on which nodes are actually passed
773 // Note: we do not allow more than 7 node arguments as GraphKit::make_runtime_call only allows 8, and we need
774 // one for the static string
775 static const TypeFunc* debug_print_Type(Node* parm0 = nullptr, Node* parm1 = nullptr,
776 Node* parm2 = nullptr, Node* parm3 = nullptr,
777 Node* parm4 = nullptr, Node* parm5 = nullptr,
778 Node* parm6 = nullptr);
779 #endif // PRODUCT
|