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;
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, JavaThread* current);
214
215 // Allocate storage for a objArray or typeArray
216 static void new_array_C(Klass* array_klass, int len, 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
266 static bool is_callee_saved_register(MachRegisterNumbers reg);
267
268 // One time only generate runtime code stubs. Returns true
269 // when runtime stubs have been generated successfully and
270 // false otherwise.
271 static bool generate(ciEnv* env);
272
273 // Returns the name of a stub
274 static const char* stub_name(address entry);
275
276 // Returns the name associated with a given stub id
277 static const char* stub_name(StubId id) {
278 assert(StubInfo::is_c2(id), "not a C2 stub %s", StubInfo::name(id));
279 return StubInfo::name(id);
280 }
281
282 // access to runtime stubs entry points for java code
283 static address new_instance_Java() { return _new_instance_Java; }
284 static address new_array_Java() { return _new_array_Java; }
285 static address new_array_nozero_Java() { return _new_array_nozero_Java; }
286 static address multianewarray2_Java() { return _multianewarray2_Java; }
287 static address multianewarray3_Java() { return _multianewarray3_Java; }
288 static address multianewarray4_Java() { return _multianewarray4_Java; }
289 static address multianewarray5_Java() { return _multianewarray5_Java; }
290 static address multianewarrayN_Java() { return _multianewarrayN_Java; }
291 static address complete_monitor_locking_Java() { return _complete_monitor_locking_Java; }
292 static address monitor_notify_Java() { return _monitor_notify_Java; }
293 static address monitor_notifyAll_Java() { return _monitor_notifyAll_Java; }
294
295 static address slow_arraycopy_Java() { return _slow_arraycopy_Java; }
296 static address register_finalizer_Java() { return _register_finalizer_Java; }
297
298 static address vthread_end_first_transition_Java() { return _vthread_end_first_transition_Java; }
299 static address vthread_start_final_transition_Java() { return _vthread_start_final_transition_Java; }
300 static address vthread_start_transition_Java() { return _vthread_start_transition_Java; }
301 static address vthread_end_transition_Java() { return _vthread_end_transition_Java; }
302
303 static UncommonTrapBlob* uncommon_trap_blob() { return _uncommon_trap_blob; }
304 static ExceptionBlob* exception_blob() { return _exception_blob; }
305
306 // Implicit exception support
307 static void throw_div0_exception_C (JavaThread* thread);
308 static void throw_stack_overflow_error_C(JavaThread* thread);
309
310 // Exception handling
311 static address rethrow_stub() { return _rethrow_Java; }
312
313
314 // Type functions
315 // ======================================================
316
317 static inline const TypeFunc* new_instance_Type() {
318 assert(_new_instance_Type != nullptr, "should be initialized");
319 return _new_instance_Type;
320 }
321
322 static inline const TypeFunc* new_array_Type() {
323 assert(_new_array_Type != nullptr, "should be initialized");
324 return _new_array_Type;
325 }
326
327 static inline const TypeFunc* new_array_nozero_Type() {
328 return new_array_Type();
329 }
330
331 static const TypeFunc* multianewarray_Type(int ndim); // multianewarray
332
333 static inline const TypeFunc* multianewarray2_Type() {
334 assert(_multianewarray2_Type != nullptr, "should be initialized");
335 return _multianewarray2_Type;
336 }
337
338 static inline const TypeFunc* multianewarray3_Type() {
339 assert(_multianewarray3_Type != nullptr, "should be initialized");
340 return _multianewarray3_Type;
341 }
342
343 static inline const TypeFunc* multianewarray4_Type() {
344 assert(_multianewarray4_Type != nullptr, "should be initialized");
345 return _multianewarray4_Type;
346 }
347
348 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 // Dtrace support. entry and exit probes have the same signature
755 static inline const TypeFunc* dtrace_method_entry_exit_Type() {
756 assert(_dtrace_method_entry_exit_Type != nullptr, "should be initialized");
757 return _dtrace_method_entry_exit_Type;
758 }
759
760 static inline const TypeFunc* dtrace_object_alloc_Type() {
761 assert(_dtrace_object_alloc_Type != nullptr, "should be initialized");
762 return _dtrace_object_alloc_Type;
763 }
764
765 #ifndef PRODUCT
766 // Signature for runtime calls in debug printing nodes, which depends on which nodes are actually passed
767 // Note: we do not allow more than 7 node arguments as GraphKit::make_runtime_call only allows 8, and we need
768 // one for the static string
769 static const TypeFunc* debug_print_Type(Node* parm0 = nullptr, Node* parm1 = nullptr,
770 Node* parm2 = nullptr, Node* parm3 = nullptr,
771 Node* parm4 = nullptr, Node* parm5 = nullptr,
772 Node* parm6 = nullptr);
773 #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;
197 static const TypeFunc* _osr_end_Type;
198 static const TypeFunc* _register_finalizer_Type;
199 static const TypeFunc* _vthread_transition_Type;
200 #if INCLUDE_JFR
201 static const TypeFunc* _class_id_load_barrier_Type;
202 #endif // INCLUDE_JFR
203 static const TypeFunc* _dtrace_method_entry_exit_Type;
204 static const TypeFunc* _dtrace_object_alloc_Type;
205
206 // define stubs
207 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);
208
209 //
210 // Implementation of runtime methods
211 // =================================
212
213 // Allocate storage for a Java instance.
214 static void new_instance_C(Klass* instance_klass, JavaThread* current);
215
216 // Allocate storage for a objArray or typeArray
217 static void new_array_C(Klass* array_klass, int len, oopDesc* init_val, JavaThread* current);
218 static void new_array_nozero_C(Klass* array_klass, int len, JavaThread* current);
219
220 // Allocate storage for a multi-dimensional arrays
221 // Note: needs to be fixed for arbitrary number of dimensions
222 static void multianewarray2_C(Klass* klass, int len1, int len2, JavaThread* current);
223 static void multianewarray3_C(Klass* klass, int len1, int len2, int len3, JavaThread* current);
224 static void multianewarray4_C(Klass* klass, int len1, int len2, int len3, int len4, JavaThread* current);
225 static void multianewarray5_C(Klass* klass, int len1, int len2, int len3, int len4, int len5, JavaThread* current);
226 static void multianewarrayN_C(Klass* klass, arrayOopDesc* dims, JavaThread* current);
227
228 // local methods passed as arguments to stub generator that forward
229 // control to corresponding JRT methods of SharedRuntime
230 static void slow_arraycopy_C(oopDesc* src, jint src_pos,
231 oopDesc* dest, jint dest_pos,
232 jint length, JavaThread* thread);
233 static void complete_monitor_locking_C(oopDesc* obj, BasicLock* lock, JavaThread* current);
234
235 public:
236 static void monitor_notify_C(oopDesc* obj, JavaThread* current);
237 static void monitor_notifyAll_C(oopDesc* obj, JavaThread* current);
246 // Implicit exception support
247 static void throw_null_exception_C(JavaThread* thread);
248
249 // Exception handling
250 static address handle_exception_C (JavaThread* current);
251 static address handle_exception_C_helper(JavaThread* current, nmethod*& nm);
252 static address rethrow_C (oopDesc* exception, JavaThread *thread, address return_pc );
253 static void deoptimize_caller_frame (JavaThread *thread);
254 static void deoptimize_caller_frame (JavaThread *thread, bool doit);
255 static bool is_deoptimized_caller_frame (JavaThread *thread);
256
257 // CodeBlob support
258 // ===================================================================
259
260 static UncommonTrapBlob* generate_uncommon_trap_blob(void);
261 static ExceptionBlob* generate_exception_blob();
262
263 static void register_finalizer_C(oopDesc* obj, JavaThread* current);
264
265 public:
266 static void load_unknown_inline_C(flatArrayOopDesc* array, int index, JavaThread* current);
267 static void store_unknown_inline_C(instanceOopDesc* buffer, flatArrayOopDesc* array, int index, JavaThread* current);
268
269 static bool is_callee_saved_register(MachRegisterNumbers reg);
270
271 // One time only generate runtime code stubs. Returns true
272 // when runtime stubs have been generated successfully and
273 // false otherwise.
274 static bool generate(ciEnv* env);
275
276 // Returns the name of a stub
277 static const char* stub_name(address entry);
278
279 // Returns the name associated with a given stub id
280 static const char* stub_name(StubId id) {
281 assert(StubInfo::is_c2(id), "not a C2 stub %s", StubInfo::name(id));
282 return StubInfo::name(id);
283 }
284
285 // access to runtime stubs entry points for java code
286 static address new_instance_Java() { return _new_instance_Java; }
287 static address new_array_Java() { return _new_array_Java; }
288 static address new_array_nozero_Java() { return _new_array_nozero_Java; }
289 static address multianewarray2_Java() { return _multianewarray2_Java; }
290 static address multianewarray3_Java() { return _multianewarray3_Java; }
291 static address multianewarray4_Java() { return _multianewarray4_Java; }
292 static address multianewarray5_Java() { return _multianewarray5_Java; }
293 static address multianewarrayN_Java() { return _multianewarrayN_Java; }
294 static address complete_monitor_locking_Java() { return _complete_monitor_locking_Java; }
295 static address monitor_notify_Java() { return _monitor_notify_Java; }
296 static address monitor_notifyAll_Java() { return _monitor_notifyAll_Java; }
297
298 static address slow_arraycopy_Java() { return _slow_arraycopy_Java; }
299 static address register_finalizer_Java() { return _register_finalizer_Java; }
300 static address load_unknown_inline_Java() { return _load_unknown_inline_Java; }
301 static address store_unknown_inline_Java() { return _store_unknown_inline_Java; }
302
303 static address vthread_end_first_transition_Java() { return _vthread_end_first_transition_Java; }
304 static address vthread_start_final_transition_Java() { return _vthread_start_final_transition_Java; }
305 static address vthread_start_transition_Java() { return _vthread_start_transition_Java; }
306 static address vthread_end_transition_Java() { return _vthread_end_transition_Java; }
307
308 static UncommonTrapBlob* uncommon_trap_blob() { return _uncommon_trap_blob; }
309 static ExceptionBlob* exception_blob() { return _exception_blob; }
310
311 // Implicit exception support
312 static void throw_div0_exception_C (JavaThread* thread);
313 static void throw_stack_overflow_error_C(JavaThread* thread);
314
315 // Exception handling
316 static address rethrow_stub() { return _rethrow_Java; }
317
318
319 // Type functions
320 // ======================================================
321
322 static inline const TypeFunc* new_instance_Type() {
323 assert(_new_instance_Type != nullptr, "should be initialized");
324 return _new_instance_Type;
325 }
326
327 static inline const TypeFunc* new_array_Type() {
328 assert(_new_array_Type != nullptr, "should be initialized");
329 return _new_array_Type;
330 }
331
332 static inline const TypeFunc* new_array_nozero_Type() {
333 assert(_new_array_nozero_Type != nullptr, "should be initialized");
334 return _new_array_nozero_Type;
335 }
336
337 static const TypeFunc* multianewarray_Type(int ndim); // multianewarray
338
339 static inline const TypeFunc* multianewarray2_Type() {
340 assert(_multianewarray2_Type != nullptr, "should be initialized");
341 return _multianewarray2_Type;
342 }
343
344 static inline const TypeFunc* multianewarray3_Type() {
345 assert(_multianewarray3_Type != nullptr, "should be initialized");
346 return _multianewarray3_Type;
347 }
348
349 static inline const TypeFunc* multianewarray4_Type() {
350 assert(_multianewarray4_Type != nullptr, "should be initialized");
351 return _multianewarray4_Type;
352 }
353
354 static inline const TypeFunc* multianewarray5_Type() {
740
741 static inline const TypeFunc* vthread_start_final_transition_Type() {
742 return vthread_transition_Type();
743 }
744
745 static inline const TypeFunc* vthread_start_transition_Type() {
746 return vthread_transition_Type();
747 }
748
749 static inline const TypeFunc* vthread_end_transition_Type() {
750 return vthread_transition_Type();
751 }
752
753 #if INCLUDE_JFR
754 static inline const TypeFunc* class_id_load_barrier_Type() {
755 assert(_class_id_load_barrier_Type != nullptr, "should be initialized");
756 return _class_id_load_barrier_Type;
757 }
758 #endif // INCLUDE_JFR
759
760 static const TypeFunc* load_unknown_inline_Type();
761 static const TypeFunc* store_unknown_inline_Type();
762
763 static const TypeFunc* store_inline_type_fields_Type();
764 static const TypeFunc* pack_inline_type_Type();
765
766 // Dtrace support. entry and exit probes have the same signature
767 static inline const TypeFunc* dtrace_method_entry_exit_Type() {
768 assert(_dtrace_method_entry_exit_Type != nullptr, "should be initialized");
769 return _dtrace_method_entry_exit_Type;
770 }
771
772 static inline const TypeFunc* dtrace_object_alloc_Type() {
773 assert(_dtrace_object_alloc_Type != nullptr, "should be initialized");
774 return _dtrace_object_alloc_Type;
775 }
776
777 #ifndef PRODUCT
778 // Signature for runtime calls in debug printing nodes, which depends on which nodes are actually passed
779 // Note: we do not allow more than 7 node arguments as GraphKit::make_runtime_call only allows 8, and we need
780 // one for the static string
781 static const TypeFunc* debug_print_Type(Node* parm0 = nullptr, Node* parm1 = nullptr,
782 Node* parm2 = nullptr, Node* parm3 = nullptr,
783 Node* parm4 = nullptr, Node* parm5 = nullptr,
784 Node* parm6 = nullptr);
785 #endif // PRODUCT
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