117 private:
118 // declare opto stub address/blob holder static fields
119 #define C2_BLOB_FIELD_DECLARE(name, type) \
120 static type BLOB_FIELD_NAME(name);
121 #define C2_STUB_FIELD_NAME(name) _ ## name ## _Java
122 #define C2_STUB_FIELD_DECLARE(name, f, t, r) \
123 static address C2_STUB_FIELD_NAME(name) ;
124 #define C2_JVMTI_STUB_FIELD_DECLARE(name) \
125 static address STUB_FIELD_NAME(name);
126
127 C2_STUBS_DO(C2_BLOB_FIELD_DECLARE, C2_STUB_FIELD_DECLARE, C2_JVMTI_STUB_FIELD_DECLARE)
128
129 #undef C2_BLOB_FIELD_DECLARE
130 #undef C2_STUB_FIELD_NAME
131 #undef C2_STUB_FIELD_DECLARE
132 #undef C2_JVMTI_STUB_FIELD_DECLARE
133
134 // static TypeFunc* data members
135 static const TypeFunc* _new_instance_Type;
136 static const TypeFunc* _new_array_Type;
137 static const TypeFunc* _multianewarray2_Type;
138 static const TypeFunc* _multianewarray3_Type;
139 static const TypeFunc* _multianewarray4_Type;
140 static const TypeFunc* _multianewarray5_Type;
141 static const TypeFunc* _multianewarrayN_Type;
142 static const TypeFunc* _complete_monitor_enter_Type;
143 static const TypeFunc* _complete_monitor_exit_Type;
144 static const TypeFunc* _monitor_notify_Type;
145 static const TypeFunc* _uncommon_trap_Type;
146 static const TypeFunc* _athrow_Type;
147 static const TypeFunc* _rethrow_Type;
148 static const TypeFunc* _Math_D_D_Type;
149 static const TypeFunc* _Math_DD_D_Type;
150 static const TypeFunc* _modf_Type;
151 static const TypeFunc* _l2f_Type;
152 static const TypeFunc* _void_long_Type;
153 static const TypeFunc* _void_void_Type;
154 static const TypeFunc* _jfr_write_checkpoint_Type;
155 static const TypeFunc* _flush_windows_Type;
156 static const TypeFunc* _fast_arraycopy_Type;
206 #if INCLUDE_JFR
207 static const TypeFunc* _class_id_load_barrier_Type;
208 #endif // INCLUDE_JFR
209 #if INCLUDE_JVMTI
210 static const TypeFunc* _notify_jvmti_vthread_Type;
211 #endif // INCLUDE_JVMTI
212 static const TypeFunc* _dtrace_method_entry_exit_Type;
213 static const TypeFunc* _dtrace_object_alloc_Type;
214
215 // Stub names indexed by sharedStubId
216 static const char *_stub_names[];
217
218 // define stubs
219 static address generate_stub(ciEnv* ci_env, TypeFunc_generator gen, address C_function, const char* name, int is_fancy_jump, bool pass_tls, bool return_pc);
220
221 //
222 // Implementation of runtime methods
223 // =================================
224
225 // Allocate storage for a Java instance.
226 static void new_instance_C(Klass* instance_klass, JavaThread* current);
227
228 // Allocate storage for a objArray or typeArray
229 static void new_array_C(Klass* array_klass, int len, JavaThread* current);
230 static void new_array_nozero_C(Klass* array_klass, int len, JavaThread* current);
231
232 // Allocate storage for a multi-dimensional arrays
233 // Note: needs to be fixed for arbitrary number of dimensions
234 static void multianewarray2_C(Klass* klass, int len1, int len2, JavaThread* current);
235 static void multianewarray3_C(Klass* klass, int len1, int len2, int len3, JavaThread* current);
236 static void multianewarray4_C(Klass* klass, int len1, int len2, int len3, int len4, JavaThread* current);
237 static void multianewarray5_C(Klass* klass, int len1, int len2, int len3, int len4, int len5, JavaThread* current);
238 static void multianewarrayN_C(Klass* klass, arrayOopDesc* dims, JavaThread* current);
239
240 // local methods passed as arguments to stub generator that forward
241 // control to corresponding JRT methods of SharedRuntime
242 static void slow_arraycopy_C(oopDesc* src, jint src_pos,
243 oopDesc* dest, jint dest_pos,
244 jint length, JavaThread* thread);
245 static void complete_monitor_locking_C(oopDesc* obj, BasicLock* lock, JavaThread* current);
246
247 public:
248 static void monitor_notify_C(oopDesc* obj, JavaThread* current);
249 static void monitor_notifyAll_C(oopDesc* obj, JavaThread* current);
253 // Implicit exception support
254 static void throw_null_exception_C(JavaThread* thread);
255
256 // Exception handling
257 static address handle_exception_C (JavaThread* current);
258 static address handle_exception_C_helper(JavaThread* current, nmethod*& nm);
259 static address rethrow_C (oopDesc* exception, JavaThread *thread, address return_pc );
260 static void deoptimize_caller_frame (JavaThread *thread);
261 static void deoptimize_caller_frame (JavaThread *thread, bool doit);
262 static bool is_deoptimized_caller_frame (JavaThread *thread);
263
264 // CodeBlob support
265 // ===================================================================
266
267 static UncommonTrapBlob* generate_uncommon_trap_blob(void);
268 static ExceptionBlob* generate_exception_blob();
269
270 static void register_finalizer_C(oopDesc* obj, JavaThread* current);
271
272 public:
273
274 static bool is_callee_saved_register(MachRegisterNumbers reg);
275
276 // One time only generate runtime code stubs. Returns true
277 // when runtime stubs have been generated successfully and
278 // false otherwise.
279 static bool generate(ciEnv* env);
280
281 // Returns the name of a stub
282 static const char* stub_name(address entry);
283
284 // Returns the name associated with a given stub id
285 static const char* stub_name(OptoStubId id) {
286 assert(id > OptoStubId::NO_STUBID && id < OptoStubId::NUM_STUBIDS, "stub id out of range");
287 return _stub_names[(int)id];
288 }
289
290 // access to runtime stubs entry points for java code
291 static address new_instance_Java() { return _new_instance_Java; }
292 static address new_array_Java() { return _new_array_Java; }
293 static address new_array_nozero_Java() { return _new_array_nozero_Java; }
294 static address multianewarray2_Java() { return _multianewarray2_Java; }
295 static address multianewarray3_Java() { return _multianewarray3_Java; }
296 static address multianewarray4_Java() { return _multianewarray4_Java; }
297 static address multianewarray5_Java() { return _multianewarray5_Java; }
298 static address multianewarrayN_Java() { return _multianewarrayN_Java; }
299 static address complete_monitor_locking_Java() { return _complete_monitor_locking_Java; }
300 static address monitor_notify_Java() { return _monitor_notify_Java; }
301 static address monitor_notifyAll_Java() { return _monitor_notifyAll_Java; }
302
303 static address slow_arraycopy_Java() { return _slow_arraycopy_Java; }
304 static address register_finalizer_Java() { return _register_finalizer_Java; }
305 #if INCLUDE_JVMTI
306 static address notify_jvmti_vthread_start() { return _notify_jvmti_vthread_start; }
307 static address notify_jvmti_vthread_end() { return _notify_jvmti_vthread_end; }
308 static address notify_jvmti_vthread_mount() { return _notify_jvmti_vthread_mount; }
309 static address notify_jvmti_vthread_unmount() { return _notify_jvmti_vthread_unmount; }
310 #endif
311
312 static UncommonTrapBlob* uncommon_trap_blob() { return _uncommon_trap_blob; }
313 static ExceptionBlob* exception_blob() { return _exception_blob; }
314
315 // Implicit exception support
316 static void throw_div0_exception_C (JavaThread* thread);
317 static void throw_stack_overflow_error_C(JavaThread* thread);
318
319 // Exception handling
320 static address rethrow_stub() { return _rethrow_Java; }
321
322
323 // Type functions
324 // ======================================================
325
326 static inline const TypeFunc* new_instance_Type() {
327 assert(_new_instance_Type != nullptr, "should be initialized");
328 return _new_instance_Type;
329 }
330
331 static inline const TypeFunc* new_array_Type() {
332 assert(_new_array_Type != nullptr, "should be initialized");
333 return _new_array_Type;
334 }
335
336 static inline const TypeFunc* new_array_nozero_Type() {
337 return new_array_Type();
338 }
339
340 static const TypeFunc* multianewarray_Type(int ndim); // multianewarray
341
342 static inline const TypeFunc* multianewarray2_Type() {
343 assert(_multianewarray2_Type != nullptr, "should be initialized");
344 return _multianewarray2_Type;
345 }
346
347 static inline const TypeFunc* multianewarray3_Type() {
348 assert(_multianewarray3_Type != nullptr, "should be initialized");
349 return _multianewarray3_Type;
350 }
351
352 static inline const TypeFunc* multianewarray4_Type() {
353 assert(_multianewarray4_Type != nullptr, "should be initialized");
354 return _multianewarray4_Type;
355 }
356
357 static inline const TypeFunc* multianewarray5_Type() {
717
718
719 // leaf on stack replacement interpreter accessor types
720 static inline const TypeFunc* osr_end_Type() {
721 assert(_osr_end_Type != nullptr, "should be initialized");
722 return _osr_end_Type;
723 }
724
725 static inline const TypeFunc* register_finalizer_Type() {
726 assert(_register_finalizer_Type != nullptr, "should be initialized");
727 return _register_finalizer_Type;
728 }
729
730 #if INCLUDE_JFR
731 static inline const TypeFunc* class_id_load_barrier_Type() {
732 assert(_class_id_load_barrier_Type != nullptr, "should be initialized");
733 return _class_id_load_barrier_Type;
734 }
735 #endif // INCLUDE_JFR
736
737 #if INCLUDE_JVMTI
738 static inline const TypeFunc* notify_jvmti_vthread_Type() {
739 assert(_notify_jvmti_vthread_Type != nullptr, "should be initialized");
740 return _notify_jvmti_vthread_Type;
741 }
742 #endif
743
744 // Dtrace support. entry and exit probes have the same signature
745 static inline const TypeFunc* dtrace_method_entry_exit_Type() {
746 assert(_dtrace_method_entry_exit_Type != nullptr, "should be initialized");
747 return _dtrace_method_entry_exit_Type;
748 }
749
750 static inline const TypeFunc* dtrace_object_alloc_Type() {
751 assert(_dtrace_object_alloc_Type != nullptr, "should be initialized");
752 return _dtrace_object_alloc_Type;
753 }
754
755 private:
756 static NamedCounter * volatile _named_counters;
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117 private:
118 // declare opto stub address/blob holder static fields
119 #define C2_BLOB_FIELD_DECLARE(name, type) \
120 static type BLOB_FIELD_NAME(name);
121 #define C2_STUB_FIELD_NAME(name) _ ## name ## _Java
122 #define C2_STUB_FIELD_DECLARE(name, f, t, r) \
123 static address C2_STUB_FIELD_NAME(name) ;
124 #define C2_JVMTI_STUB_FIELD_DECLARE(name) \
125 static address STUB_FIELD_NAME(name);
126
127 C2_STUBS_DO(C2_BLOB_FIELD_DECLARE, C2_STUB_FIELD_DECLARE, C2_JVMTI_STUB_FIELD_DECLARE)
128
129 #undef C2_BLOB_FIELD_DECLARE
130 #undef C2_STUB_FIELD_NAME
131 #undef C2_STUB_FIELD_DECLARE
132 #undef C2_JVMTI_STUB_FIELD_DECLARE
133
134 // static TypeFunc* data members
135 static const TypeFunc* _new_instance_Type;
136 static const TypeFunc* _new_array_Type;
137 static const TypeFunc* _new_array_nozero_Type;
138 static const TypeFunc* _multianewarray2_Type;
139 static const TypeFunc* _multianewarray3_Type;
140 static const TypeFunc* _multianewarray4_Type;
141 static const TypeFunc* _multianewarray5_Type;
142 static const TypeFunc* _multianewarrayN_Type;
143 static const TypeFunc* _complete_monitor_enter_Type;
144 static const TypeFunc* _complete_monitor_exit_Type;
145 static const TypeFunc* _monitor_notify_Type;
146 static const TypeFunc* _uncommon_trap_Type;
147 static const TypeFunc* _athrow_Type;
148 static const TypeFunc* _rethrow_Type;
149 static const TypeFunc* _Math_D_D_Type;
150 static const TypeFunc* _Math_DD_D_Type;
151 static const TypeFunc* _modf_Type;
152 static const TypeFunc* _l2f_Type;
153 static const TypeFunc* _void_long_Type;
154 static const TypeFunc* _void_void_Type;
155 static const TypeFunc* _jfr_write_checkpoint_Type;
156 static const TypeFunc* _flush_windows_Type;
157 static const TypeFunc* _fast_arraycopy_Type;
207 #if INCLUDE_JFR
208 static const TypeFunc* _class_id_load_barrier_Type;
209 #endif // INCLUDE_JFR
210 #if INCLUDE_JVMTI
211 static const TypeFunc* _notify_jvmti_vthread_Type;
212 #endif // INCLUDE_JVMTI
213 static const TypeFunc* _dtrace_method_entry_exit_Type;
214 static const TypeFunc* _dtrace_object_alloc_Type;
215
216 // Stub names indexed by sharedStubId
217 static const char *_stub_names[];
218
219 // define stubs
220 static address generate_stub(ciEnv* ci_env, TypeFunc_generator gen, address C_function, const char* name, int is_fancy_jump, bool pass_tls, bool return_pc);
221
222 //
223 // Implementation of runtime methods
224 // =================================
225
226 // Allocate storage for a Java instance.
227 static void new_instance_C(Klass* instance_klass, bool is_larval, JavaThread* current);
228
229 // Allocate storage for a objArray or typeArray
230 static void new_array_C(Klass* array_klass, int len, oopDesc* init_val, JavaThread* current);
231 static void new_array_nozero_C(Klass* array_klass, int len, JavaThread* current);
232
233 // Allocate storage for a multi-dimensional arrays
234 // Note: needs to be fixed for arbitrary number of dimensions
235 static void multianewarray2_C(Klass* klass, int len1, int len2, JavaThread* current);
236 static void multianewarray3_C(Klass* klass, int len1, int len2, int len3, JavaThread* current);
237 static void multianewarray4_C(Klass* klass, int len1, int len2, int len3, int len4, JavaThread* current);
238 static void multianewarray5_C(Klass* klass, int len1, int len2, int len3, int len4, int len5, JavaThread* current);
239 static void multianewarrayN_C(Klass* klass, arrayOopDesc* dims, JavaThread* current);
240
241 // local methods passed as arguments to stub generator that forward
242 // control to corresponding JRT methods of SharedRuntime
243 static void slow_arraycopy_C(oopDesc* src, jint src_pos,
244 oopDesc* dest, jint dest_pos,
245 jint length, JavaThread* thread);
246 static void complete_monitor_locking_C(oopDesc* obj, BasicLock* lock, JavaThread* current);
247
248 public:
249 static void monitor_notify_C(oopDesc* obj, JavaThread* current);
250 static void monitor_notifyAll_C(oopDesc* obj, JavaThread* current);
254 // Implicit exception support
255 static void throw_null_exception_C(JavaThread* thread);
256
257 // Exception handling
258 static address handle_exception_C (JavaThread* current);
259 static address handle_exception_C_helper(JavaThread* current, nmethod*& nm);
260 static address rethrow_C (oopDesc* exception, JavaThread *thread, address return_pc );
261 static void deoptimize_caller_frame (JavaThread *thread);
262 static void deoptimize_caller_frame (JavaThread *thread, bool doit);
263 static bool is_deoptimized_caller_frame (JavaThread *thread);
264
265 // CodeBlob support
266 // ===================================================================
267
268 static UncommonTrapBlob* generate_uncommon_trap_blob(void);
269 static ExceptionBlob* generate_exception_blob();
270
271 static void register_finalizer_C(oopDesc* obj, JavaThread* current);
272
273 public:
274 static void load_unknown_inline_C(flatArrayOopDesc* array, int index, JavaThread* current);
275 static void store_unknown_inline_C(instanceOopDesc* buffer, flatArrayOopDesc* array, int index, JavaThread* current);
276
277 static bool is_callee_saved_register(MachRegisterNumbers reg);
278
279 // One time only generate runtime code stubs. Returns true
280 // when runtime stubs have been generated successfully and
281 // false otherwise.
282 static bool generate(ciEnv* env);
283
284 // Returns the name of a stub
285 static const char* stub_name(address entry);
286
287 // Returns the name associated with a given stub id
288 static const char* stub_name(OptoStubId id) {
289 assert(id > OptoStubId::NO_STUBID && id < OptoStubId::NUM_STUBIDS, "stub id out of range");
290 return _stub_names[(int)id];
291 }
292
293 // access to runtime stubs entry points for java code
294 static address new_instance_Java() { return _new_instance_Java; }
295 static address new_array_Java() { return _new_array_Java; }
296 static address new_array_nozero_Java() { return _new_array_nozero_Java; }
297 static address multianewarray2_Java() { return _multianewarray2_Java; }
298 static address multianewarray3_Java() { return _multianewarray3_Java; }
299 static address multianewarray4_Java() { return _multianewarray4_Java; }
300 static address multianewarray5_Java() { return _multianewarray5_Java; }
301 static address multianewarrayN_Java() { return _multianewarrayN_Java; }
302 static address complete_monitor_locking_Java() { return _complete_monitor_locking_Java; }
303 static address monitor_notify_Java() { return _monitor_notify_Java; }
304 static address monitor_notifyAll_Java() { return _monitor_notifyAll_Java; }
305
306 static address slow_arraycopy_Java() { return _slow_arraycopy_Java; }
307 static address register_finalizer_Java() { return _register_finalizer_Java; }
308 static address load_unknown_inline_Java() { return _load_unknown_inline_Java; }
309 static address store_unknown_inline_Java() { return _store_unknown_inline_Java; }
310 #if INCLUDE_JVMTI
311 static address notify_jvmti_vthread_start() { return _notify_jvmti_vthread_start; }
312 static address notify_jvmti_vthread_end() { return _notify_jvmti_vthread_end; }
313 static address notify_jvmti_vthread_mount() { return _notify_jvmti_vthread_mount; }
314 static address notify_jvmti_vthread_unmount() { return _notify_jvmti_vthread_unmount; }
315 #endif
316
317 static UncommonTrapBlob* uncommon_trap_blob() { return _uncommon_trap_blob; }
318 static ExceptionBlob* exception_blob() { return _exception_blob; }
319
320 // Implicit exception support
321 static void throw_div0_exception_C (JavaThread* thread);
322 static void throw_stack_overflow_error_C(JavaThread* thread);
323
324 // Exception handling
325 static address rethrow_stub() { return _rethrow_Java; }
326
327
328 // Type functions
329 // ======================================================
330
331 static inline const TypeFunc* new_instance_Type() {
332 assert(_new_instance_Type != nullptr, "should be initialized");
333 return _new_instance_Type;
334 }
335
336 static inline const TypeFunc* new_array_Type() {
337 assert(_new_array_Type != nullptr, "should be initialized");
338 return _new_array_Type;
339 }
340
341 static inline const TypeFunc* new_array_nozero_Type() {
342 assert(_new_array_nozero_Type != nullptr, "should be initialized");
343 return _new_array_nozero_Type;
344 }
345
346 static const TypeFunc* multianewarray_Type(int ndim); // multianewarray
347
348 static inline const TypeFunc* multianewarray2_Type() {
349 assert(_multianewarray2_Type != nullptr, "should be initialized");
350 return _multianewarray2_Type;
351 }
352
353 static inline const TypeFunc* multianewarray3_Type() {
354 assert(_multianewarray3_Type != nullptr, "should be initialized");
355 return _multianewarray3_Type;
356 }
357
358 static inline const TypeFunc* multianewarray4_Type() {
359 assert(_multianewarray4_Type != nullptr, "should be initialized");
360 return _multianewarray4_Type;
361 }
362
363 static inline const TypeFunc* multianewarray5_Type() {
723
724
725 // leaf on stack replacement interpreter accessor types
726 static inline const TypeFunc* osr_end_Type() {
727 assert(_osr_end_Type != nullptr, "should be initialized");
728 return _osr_end_Type;
729 }
730
731 static inline const TypeFunc* register_finalizer_Type() {
732 assert(_register_finalizer_Type != nullptr, "should be initialized");
733 return _register_finalizer_Type;
734 }
735
736 #if INCLUDE_JFR
737 static inline const TypeFunc* class_id_load_barrier_Type() {
738 assert(_class_id_load_barrier_Type != nullptr, "should be initialized");
739 return _class_id_load_barrier_Type;
740 }
741 #endif // INCLUDE_JFR
742
743 static const TypeFunc* load_unknown_inline_Type();
744 static const TypeFunc* store_unknown_inline_Type();
745
746 static const TypeFunc* store_inline_type_fields_Type();
747 static const TypeFunc* pack_inline_type_Type();
748
749 #if INCLUDE_JVMTI
750 static inline const TypeFunc* notify_jvmti_vthread_Type() {
751 assert(_notify_jvmti_vthread_Type != nullptr, "should be initialized");
752 return _notify_jvmti_vthread_Type;
753 }
754 #endif
755
756 // Dtrace support. entry and exit probes have the same signature
757 static inline const TypeFunc* dtrace_method_entry_exit_Type() {
758 assert(_dtrace_method_entry_exit_Type != nullptr, "should be initialized");
759 return _dtrace_method_entry_exit_Type;
760 }
761
762 static inline const TypeFunc* dtrace_object_alloc_Type() {
763 assert(_dtrace_object_alloc_Type != nullptr, "should be initialized");
764 return _dtrace_object_alloc_Type;
765 }
766
767 private:
768 static NamedCounter * volatile _named_counters;
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