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;
198 static const TypeFunc* _osr_end_Type;
199 static const TypeFunc* _register_finalizer_Type;
200 static const TypeFunc* _vthread_transition_Type;
201 #if INCLUDE_JFR
202 static const TypeFunc* _class_id_load_barrier_Type;
203 #endif // INCLUDE_JFR
204 static const TypeFunc* _dtrace_method_entry_exit_Type;
205 static const TypeFunc* _dtrace_object_alloc_Type;
206
207 // define stubs
208 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);
209
210 //
211 // Implementation of runtime methods
212 // =================================
213
214 // Allocate storage for a Java instance.
215 static void new_instance_C(Klass* instance_klass, JavaThread* current);
216
217 // Allocate storage for a objArray or typeArray
218 static void new_array_C(Klass* array_klass, int len, JavaThread* current);
219 static void new_array_nozero_C(Klass* array_klass, int len, JavaThread* current);
220
221 // Allocate storage for a multi-dimensional arrays
222 // Note: needs to be fixed for arbitrary number of dimensions
223 static void multianewarray2_C(Klass* klass, int len1, int len2, JavaThread* current);
224 static void multianewarray3_C(Klass* klass, int len1, int len2, int len3, JavaThread* current);
225 static void multianewarray4_C(Klass* klass, int len1, int len2, int len3, int len4, JavaThread* current);
226 static void multianewarray5_C(Klass* klass, int len1, int len2, int len3, int len4, int len5, JavaThread* current);
227 static void multianewarrayN_C(Klass* klass, arrayOopDesc* dims, JavaThread* current);
228
229 // local methods passed as arguments to stub generator that forward
230 // control to corresponding JRT methods of SharedRuntime
231 static void slow_arraycopy_C(oopDesc* src, jint src_pos,
232 oopDesc* dest, jint dest_pos,
233 jint length, JavaThread* thread);
234 static void complete_monitor_locking_C(oopDesc* obj, BasicLock* lock, JavaThread* current);
235
236 public:
237 static void monitor_notify_C(oopDesc* obj, JavaThread* current);
238 static void monitor_notifyAll_C(oopDesc* obj, JavaThread* current);
247 // Implicit exception support
248 static void throw_null_exception_C(JavaThread* thread);
249
250 // Exception handling
251 static address handle_exception_C (JavaThread* current);
252 static address handle_exception_C_helper(JavaThread* current, nmethod*& nm);
253 static address rethrow_C (oopDesc* exception, JavaThread *thread, address return_pc );
254 static void deoptimize_caller_frame (JavaThread *thread);
255 static void deoptimize_caller_frame (JavaThread *thread, bool doit);
256 static bool is_deoptimized_caller_frame (JavaThread *thread);
257
258 // CodeBlob support
259 // ===================================================================
260
261 static UncommonTrapBlob* generate_uncommon_trap_blob(void);
262 static ExceptionBlob* generate_exception_blob();
263
264 static void register_finalizer_C(oopDesc* obj, JavaThread* current);
265
266 public:
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
300 static address vthread_end_first_transition_Java() { return _vthread_end_first_transition_Java; }
301 static address vthread_start_final_transition_Java() { return _vthread_start_final_transition_Java; }
302 static address vthread_start_transition_Java() { return _vthread_start_transition_Java; }
303 static address vthread_end_transition_Java() { return _vthread_end_transition_Java; }
304
305 static UncommonTrapBlob* uncommon_trap_blob() { return _uncommon_trap_blob; }
306 static ExceptionBlob* exception_blob() { return _exception_blob; }
307
308 // Implicit exception support
309 static void throw_div0_exception_C (JavaThread* thread);
310 static void throw_stack_overflow_error_C(JavaThread* thread);
311
312 // Exception handling
313 static address rethrow_stub() { return _rethrow_Java; }
314
315
316 // Type functions
317 // ======================================================
318
319 static inline const TypeFunc* new_instance_Type() {
320 assert(_new_instance_Type != nullptr, "should be initialized");
321 return _new_instance_Type;
322 }
323
324 static inline const TypeFunc* new_array_Type() {
325 assert(_new_array_Type != nullptr, "should be initialized");
326 return _new_array_Type;
327 }
328
329 static inline const TypeFunc* new_array_nozero_Type() {
330 return new_array_Type();
331 }
332
333 static const TypeFunc* multianewarray_Type(int ndim); // multianewarray
334
335 static inline const TypeFunc* multianewarray2_Type() {
336 assert(_multianewarray2_Type != nullptr, "should be initialized");
337 return _multianewarray2_Type;
338 }
339
340 static inline const TypeFunc* multianewarray3_Type() {
341 assert(_multianewarray3_Type != nullptr, "should be initialized");
342 return _multianewarray3_Type;
343 }
344
345 static inline const TypeFunc* multianewarray4_Type() {
346 assert(_multianewarray4_Type != nullptr, "should be initialized");
347 return _multianewarray4_Type;
348 }
349
350 static inline const TypeFunc* multianewarray5_Type() {
748
749 static inline const TypeFunc* vthread_start_final_transition_Type() {
750 return vthread_transition_Type();
751 }
752
753 static inline const TypeFunc* vthread_start_transition_Type() {
754 return vthread_transition_Type();
755 }
756
757 static inline const TypeFunc* vthread_end_transition_Type() {
758 return vthread_transition_Type();
759 }
760
761 #if INCLUDE_JFR
762 static inline const TypeFunc* class_id_load_barrier_Type() {
763 assert(_class_id_load_barrier_Type != nullptr, "should be initialized");
764 return _class_id_load_barrier_Type;
765 }
766 #endif // INCLUDE_JFR
767
768 // Dtrace support. entry and exit probes have the same signature
769 static inline const TypeFunc* dtrace_method_entry_exit_Type() {
770 assert(_dtrace_method_entry_exit_Type != nullptr, "should be initialized");
771 return _dtrace_method_entry_exit_Type;
772 }
773
774 static inline const TypeFunc* dtrace_object_alloc_Type() {
775 assert(_dtrace_object_alloc_Type != nullptr, "should be initialized");
776 return _dtrace_object_alloc_Type;
777 }
778
779 #ifndef PRODUCT
780 // Signature for runtime calls in debug printing nodes, which depends on which nodes are actually passed
781 // Note: we do not allow more than 7 node arguments as GraphKit::make_runtime_call only allows 8, and we need
782 // one for the static string
783 static const TypeFunc* debug_print_Type(Node* parm0 = nullptr, Node* parm1 = nullptr,
784 Node* parm2 = nullptr, Node* parm3 = nullptr,
785 Node* parm4 = nullptr, Node* parm5 = nullptr,
786 Node* parm6 = nullptr);
787 #endif // PRODUCT
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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;
199 static const TypeFunc* _osr_end_Type;
200 static const TypeFunc* _register_finalizer_Type;
201 static const TypeFunc* _vthread_transition_Type;
202 #if INCLUDE_JFR
203 static const TypeFunc* _class_id_load_barrier_Type;
204 #endif // INCLUDE_JFR
205 static const TypeFunc* _dtrace_method_entry_exit_Type;
206 static const TypeFunc* _dtrace_object_alloc_Type;
207
208 // define stubs
209 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);
210
211 //
212 // Implementation of runtime methods
213 // =================================
214
215 // Allocate storage for a Java instance.
216 static void new_instance_C(Klass* instance_klass, JavaThread* current);
217
218 // Allocate storage for a objArray or typeArray
219 static void new_array_C(Klass* array_klass, int len, oopDesc* init_val, JavaThread* current);
220 static void new_array_nozero_C(Klass* array_klass, int len, JavaThread* current);
221
222 // Allocate storage for a multi-dimensional arrays
223 // Note: needs to be fixed for arbitrary number of dimensions
224 static void multianewarray2_C(Klass* klass, int len1, int len2, JavaThread* current);
225 static void multianewarray3_C(Klass* klass, int len1, int len2, int len3, JavaThread* current);
226 static void multianewarray4_C(Klass* klass, int len1, int len2, int len3, int len4, JavaThread* current);
227 static void multianewarray5_C(Klass* klass, int len1, int len2, int len3, int len4, int len5, JavaThread* current);
228 static void multianewarrayN_C(Klass* klass, arrayOopDesc* dims, JavaThread* current);
229
230 // local methods passed as arguments to stub generator that forward
231 // control to corresponding JRT methods of SharedRuntime
232 static void slow_arraycopy_C(oopDesc* src, jint src_pos,
233 oopDesc* dest, jint dest_pos,
234 jint length, JavaThread* thread);
235 static void complete_monitor_locking_C(oopDesc* obj, BasicLock* lock, JavaThread* current);
236
237 public:
238 static void monitor_notify_C(oopDesc* obj, JavaThread* current);
239 static void monitor_notifyAll_C(oopDesc* obj, JavaThread* current);
248 // Implicit exception support
249 static void throw_null_exception_C(JavaThread* thread);
250
251 // Exception handling
252 static address handle_exception_C (JavaThread* current);
253 static address handle_exception_C_helper(JavaThread* current, nmethod*& nm);
254 static address rethrow_C (oopDesc* exception, JavaThread *thread, address return_pc );
255 static void deoptimize_caller_frame (JavaThread *thread);
256 static void deoptimize_caller_frame (JavaThread *thread, bool doit);
257 static bool is_deoptimized_caller_frame (JavaThread *thread);
258
259 // CodeBlob support
260 // ===================================================================
261
262 static UncommonTrapBlob* generate_uncommon_trap_blob(void);
263 static ExceptionBlob* generate_exception_blob();
264
265 static void register_finalizer_C(oopDesc* obj, JavaThread* current);
266
267 public:
268 static void load_unknown_inline_C(flatArrayOopDesc* array, int index, JavaThread* current);
269 static void store_unknown_inline_C(instanceOopDesc* buffer, flatArrayOopDesc* array, int index, JavaThread* current);
270
271 static bool is_callee_saved_register(MachRegisterNumbers reg);
272
273 // One time only generate runtime code stubs. Returns true
274 // when runtime stubs have been generated successfully and
275 // false otherwise.
276 static bool generate(ciEnv* env);
277
278 // Returns the name of a stub
279 static const char* stub_name(address entry);
280
281 // Returns the name associated with a given stub id
282 static const char* stub_name(StubId id) {
283 assert(StubInfo::is_c2(id), "not a C2 stub %s", StubInfo::name(id));
284 return StubInfo::name(id);
285 }
286
287 // access to runtime stubs entry points for java code
288 static address new_instance_Java() { return _new_instance_Java; }
289 static address new_array_Java() { return _new_array_Java; }
290 static address new_array_nozero_Java() { return _new_array_nozero_Java; }
291 static address multianewarray2_Java() { return _multianewarray2_Java; }
292 static address multianewarray3_Java() { return _multianewarray3_Java; }
293 static address multianewarray4_Java() { return _multianewarray4_Java; }
294 static address multianewarray5_Java() { return _multianewarray5_Java; }
295 static address multianewarrayN_Java() { return _multianewarrayN_Java; }
296 static address complete_monitor_locking_Java() { return _complete_monitor_locking_Java; }
297 static address monitor_notify_Java() { return _monitor_notify_Java; }
298 static address monitor_notifyAll_Java() { return _monitor_notifyAll_Java; }
299
300 static address slow_arraycopy_Java() { return _slow_arraycopy_Java; }
301 static address register_finalizer_Java() { return _register_finalizer_Java; }
302 static address load_unknown_inline_Java() { return _load_unknown_inline_Java; }
303 static address store_unknown_inline_Java() { return _store_unknown_inline_Java; }
304
305 static address vthread_end_first_transition_Java() { return _vthread_end_first_transition_Java; }
306 static address vthread_start_final_transition_Java() { return _vthread_start_final_transition_Java; }
307 static address vthread_start_transition_Java() { return _vthread_start_transition_Java; }
308 static address vthread_end_transition_Java() { return _vthread_end_transition_Java; }
309
310 static UncommonTrapBlob* uncommon_trap_blob() { return _uncommon_trap_blob; }
311 static ExceptionBlob* exception_blob() { return _exception_blob; }
312
313 // Implicit exception support
314 static void throw_div0_exception_C (JavaThread* thread);
315 static void throw_stack_overflow_error_C(JavaThread* thread);
316
317 // Exception handling
318 static address rethrow_stub() { return _rethrow_Java; }
319
320
321 // Type functions
322 // ======================================================
323
324 static inline const TypeFunc* new_instance_Type() {
325 assert(_new_instance_Type != nullptr, "should be initialized");
326 return _new_instance_Type;
327 }
328
329 static inline const TypeFunc* new_array_Type() {
330 assert(_new_array_Type != nullptr, "should be initialized");
331 return _new_array_Type;
332 }
333
334 static inline const TypeFunc* new_array_nozero_Type() {
335 assert(_new_array_nozero_Type != nullptr, "should be initialized");
336 return _new_array_nozero_Type;
337 }
338
339 static const TypeFunc* multianewarray_Type(int ndim); // multianewarray
340
341 static inline const TypeFunc* multianewarray2_Type() {
342 assert(_multianewarray2_Type != nullptr, "should be initialized");
343 return _multianewarray2_Type;
344 }
345
346 static inline const TypeFunc* multianewarray3_Type() {
347 assert(_multianewarray3_Type != nullptr, "should be initialized");
348 return _multianewarray3_Type;
349 }
350
351 static inline const TypeFunc* multianewarray4_Type() {
352 assert(_multianewarray4_Type != nullptr, "should be initialized");
353 return _multianewarray4_Type;
354 }
355
356 static inline const TypeFunc* multianewarray5_Type() {
754
755 static inline const TypeFunc* vthread_start_final_transition_Type() {
756 return vthread_transition_Type();
757 }
758
759 static inline const TypeFunc* vthread_start_transition_Type() {
760 return vthread_transition_Type();
761 }
762
763 static inline const TypeFunc* vthread_end_transition_Type() {
764 return vthread_transition_Type();
765 }
766
767 #if INCLUDE_JFR
768 static inline const TypeFunc* class_id_load_barrier_Type() {
769 assert(_class_id_load_barrier_Type != nullptr, "should be initialized");
770 return _class_id_load_barrier_Type;
771 }
772 #endif // INCLUDE_JFR
773
774 static const TypeFunc* load_unknown_inline_Type();
775 static const TypeFunc* store_unknown_inline_Type();
776
777 static const TypeFunc* store_inline_type_fields_Type();
778 static const TypeFunc* pack_inline_type_Type();
779
780 // Dtrace support. entry and exit probes have the same signature
781 static inline const TypeFunc* dtrace_method_entry_exit_Type() {
782 assert(_dtrace_method_entry_exit_Type != nullptr, "should be initialized");
783 return _dtrace_method_entry_exit_Type;
784 }
785
786 static inline const TypeFunc* dtrace_object_alloc_Type() {
787 assert(_dtrace_object_alloc_Type != nullptr, "should be initialized");
788 return _dtrace_object_alloc_Type;
789 }
790
791 #ifndef PRODUCT
792 // Signature for runtime calls in debug printing nodes, which depends on which nodes are actually passed
793 // Note: we do not allow more than 7 node arguments as GraphKit::make_runtime_call only allows 8, and we need
794 // one for the static string
795 static const TypeFunc* debug_print_Type(Node* parm0 = nullptr, Node* parm1 = nullptr,
796 Node* parm2 = nullptr, Node* parm3 = nullptr,
797 Node* parm4 = nullptr, Node* parm5 = nullptr,
798 Node* parm6 = nullptr);
799 #endif // PRODUCT
|