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 #define C2_JVMTI_STUB_FIELD_DECLARE(name) \
119 static address STUB_FIELD_NAME(name);
120
121 C2_STUBS_DO(C2_BLOB_FIELD_DECLARE, C2_STUB_FIELD_DECLARE, C2_JVMTI_STUB_FIELD_DECLARE)
122
123 #undef C2_BLOB_FIELD_DECLARE
124 #undef C2_STUB_FIELD_NAME
125 #undef C2_STUB_FIELD_DECLARE
126 #undef C2_JVMTI_STUB_FIELD_DECLARE
127
128 // static TypeFunc* data members
129 static const TypeFunc* _new_instance_Type;
130 static const TypeFunc* _new_array_Type;
131 static const TypeFunc* _multianewarray2_Type;
132 static const TypeFunc* _multianewarray3_Type;
133 static const TypeFunc* _multianewarray4_Type;
134 static const TypeFunc* _multianewarray5_Type;
135 static const TypeFunc* _multianewarrayN_Type;
136 static const TypeFunc* _complete_monitor_enter_Type;
137 static const TypeFunc* _complete_monitor_exit_Type;
138 static const TypeFunc* _monitor_notify_Type;
139 static const TypeFunc* _uncommon_trap_Type;
140 static const TypeFunc* _athrow_Type;
141 static const TypeFunc* _rethrow_Type;
142 static const TypeFunc* _Math_D_D_Type;
143 static const TypeFunc* _Math_DD_D_Type;
144 static const TypeFunc* _modf_Type;
145 static const TypeFunc* _l2f_Type;
146 static const TypeFunc* _void_long_Type;
147 static const TypeFunc* _void_void_Type;
148 static const TypeFunc* _jfr_write_checkpoint_Type;
149 static const TypeFunc* _flush_windows_Type;
150 static const TypeFunc* _fast_arraycopy_Type;
197 static const TypeFunc* _updateBytesAdler32_Type;
198 static const TypeFunc* _osr_end_Type;
199 static const TypeFunc* _register_finalizer_Type;
200 #if INCLUDE_JFR
201 static const TypeFunc* _class_id_load_barrier_Type;
202 #endif // INCLUDE_JFR
203 #if INCLUDE_JVMTI
204 static const TypeFunc* _notify_jvmti_vthread_Type;
205 #endif // INCLUDE_JVMTI
206 static const TypeFunc* _dtrace_method_entry_exit_Type;
207 static const TypeFunc* _dtrace_object_alloc_Type;
208
209 // define stubs
210 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);
211
212 //
213 // Implementation of runtime methods
214 // =================================
215
216 // Allocate storage for a Java instance.
217 static void new_instance_C(Klass* instance_klass, JavaThread* current);
218
219 // Allocate storage for a objArray or typeArray
220 static void new_array_C(Klass* array_klass, int len, JavaThread* current);
221 static void new_array_nozero_C(Klass* array_klass, int len, JavaThread* current);
222
223 // Allocate storage for a multi-dimensional arrays
224 // Note: needs to be fixed for arbitrary number of dimensions
225 static void multianewarray2_C(Klass* klass, int len1, int len2, JavaThread* current);
226 static void multianewarray3_C(Klass* klass, int len1, int len2, int len3, JavaThread* current);
227 static void multianewarray4_C(Klass* klass, int len1, int len2, int len3, int len4, JavaThread* current);
228 static void multianewarray5_C(Klass* klass, int len1, int len2, int len3, int len4, int len5, JavaThread* current);
229 static void multianewarrayN_C(Klass* klass, arrayOopDesc* dims, JavaThread* current);
230
231 // local methods passed as arguments to stub generator that forward
232 // control to corresponding JRT methods of SharedRuntime
233 static void slow_arraycopy_C(oopDesc* src, jint src_pos,
234 oopDesc* dest, jint dest_pos,
235 jint length, JavaThread* thread);
236 static void complete_monitor_locking_C(oopDesc* obj, BasicLock* lock, JavaThread* current);
237
238 public:
239 static void monitor_notify_C(oopDesc* obj, JavaThread* current);
240 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 #if INCLUDE_JVMTI
297 static address notify_jvmti_vthread_start() { return _notify_jvmti_vthread_start; }
298 static address notify_jvmti_vthread_end() { return _notify_jvmti_vthread_end; }
299 static address notify_jvmti_vthread_mount() { return _notify_jvmti_vthread_mount; }
300 static address notify_jvmti_vthread_unmount() { return _notify_jvmti_vthread_unmount; }
301 #endif
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() {
708
709
710 // leaf on stack replacement interpreter accessor types
711 static inline const TypeFunc* osr_end_Type() {
712 assert(_osr_end_Type != nullptr, "should be initialized");
713 return _osr_end_Type;
714 }
715
716 static inline const TypeFunc* register_finalizer_Type() {
717 assert(_register_finalizer_Type != nullptr, "should be initialized");
718 return _register_finalizer_Type;
719 }
720
721 #if INCLUDE_JFR
722 static inline const TypeFunc* class_id_load_barrier_Type() {
723 assert(_class_id_load_barrier_Type != nullptr, "should be initialized");
724 return _class_id_load_barrier_Type;
725 }
726 #endif // INCLUDE_JFR
727
728 #if INCLUDE_JVMTI
729 static inline const TypeFunc* notify_jvmti_vthread_Type() {
730 assert(_notify_jvmti_vthread_Type != nullptr, "should be initialized");
731 return _notify_jvmti_vthread_Type;
732 }
733 #endif
734
735 // Dtrace support. entry and exit probes have the same signature
736 static inline const TypeFunc* dtrace_method_entry_exit_Type() {
737 assert(_dtrace_method_entry_exit_Type != nullptr, "should be initialized");
738 return _dtrace_method_entry_exit_Type;
739 }
740
741 static inline const TypeFunc* dtrace_object_alloc_Type() {
742 assert(_dtrace_object_alloc_Type != nullptr, "should be initialized");
743 return _dtrace_object_alloc_Type;
744 }
745
746 #ifndef PRODUCT
747 // Signature for runtime calls in debug printing nodes, which depends on which nodes are actually passed
|
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 #define C2_JVMTI_STUB_FIELD_DECLARE(name) \
119 static address STUB_FIELD_NAME(name);
120
121 C2_STUBS_DO(C2_BLOB_FIELD_DECLARE, C2_STUB_FIELD_DECLARE, C2_JVMTI_STUB_FIELD_DECLARE)
122
123 #undef C2_BLOB_FIELD_DECLARE
124 #undef C2_STUB_FIELD_NAME
125 #undef C2_STUB_FIELD_DECLARE
126 #undef C2_JVMTI_STUB_FIELD_DECLARE
127
128 // static TypeFunc* data members
129 static const TypeFunc* _new_instance_Type;
130 static const TypeFunc* _new_array_Type;
131 static const TypeFunc* _new_array_nozero_Type;
132 static const TypeFunc* _multianewarray2_Type;
133 static const TypeFunc* _multianewarray3_Type;
134 static const TypeFunc* _multianewarray4_Type;
135 static const TypeFunc* _multianewarray5_Type;
136 static const TypeFunc* _multianewarrayN_Type;
137 static const TypeFunc* _complete_monitor_enter_Type;
138 static const TypeFunc* _complete_monitor_exit_Type;
139 static const TypeFunc* _monitor_notify_Type;
140 static const TypeFunc* _uncommon_trap_Type;
141 static const TypeFunc* _athrow_Type;
142 static const TypeFunc* _rethrow_Type;
143 static const TypeFunc* _Math_D_D_Type;
144 static const TypeFunc* _Math_DD_D_Type;
145 static const TypeFunc* _modf_Type;
146 static const TypeFunc* _l2f_Type;
147 static const TypeFunc* _void_long_Type;
148 static const TypeFunc* _void_void_Type;
149 static const TypeFunc* _jfr_write_checkpoint_Type;
150 static const TypeFunc* _flush_windows_Type;
151 static const TypeFunc* _fast_arraycopy_Type;
198 static const TypeFunc* _updateBytesAdler32_Type;
199 static const TypeFunc* _osr_end_Type;
200 static const TypeFunc* _register_finalizer_Type;
201 #if INCLUDE_JFR
202 static const TypeFunc* _class_id_load_barrier_Type;
203 #endif // INCLUDE_JFR
204 #if INCLUDE_JVMTI
205 static const TypeFunc* _notify_jvmti_vthread_Type;
206 #endif // INCLUDE_JVMTI
207 static const TypeFunc* _dtrace_method_entry_exit_Type;
208 static const TypeFunc* _dtrace_object_alloc_Type;
209
210 // define stubs
211 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);
212
213 //
214 // Implementation of runtime methods
215 // =================================
216
217 // Allocate storage for a Java instance.
218 static void new_instance_C(Klass* instance_klass, bool is_larval, JavaThread* current);
219
220 // Allocate storage for a objArray or typeArray
221 static void new_array_C(Klass* array_klass, int len, oopDesc* init_val, JavaThread* current);
222 static void new_array_nozero_C(Klass* array_klass, int len, JavaThread* current);
223
224 // Allocate storage for a multi-dimensional arrays
225 // Note: needs to be fixed for arbitrary number of dimensions
226 static void multianewarray2_C(Klass* klass, int len1, int len2, JavaThread* current);
227 static void multianewarray3_C(Klass* klass, int len1, int len2, int len3, JavaThread* current);
228 static void multianewarray4_C(Klass* klass, int len1, int len2, int len3, int len4, JavaThread* current);
229 static void multianewarray5_C(Klass* klass, int len1, int len2, int len3, int len4, int len5, JavaThread* current);
230 static void multianewarrayN_C(Klass* klass, arrayOopDesc* dims, JavaThread* current);
231
232 // local methods passed as arguments to stub generator that forward
233 // control to corresponding JRT methods of SharedRuntime
234 static void slow_arraycopy_C(oopDesc* src, jint src_pos,
235 oopDesc* dest, jint dest_pos,
236 jint length, JavaThread* thread);
237 static void complete_monitor_locking_C(oopDesc* obj, BasicLock* lock, JavaThread* current);
238
239 public:
240 static void monitor_notify_C(oopDesc* obj, JavaThread* current);
241 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 #if INCLUDE_JVMTI
302 static address notify_jvmti_vthread_start() { return _notify_jvmti_vthread_start; }
303 static address notify_jvmti_vthread_end() { return _notify_jvmti_vthread_end; }
304 static address notify_jvmti_vthread_mount() { return _notify_jvmti_vthread_mount; }
305 static address notify_jvmti_vthread_unmount() { return _notify_jvmti_vthread_unmount; }
306 #endif
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() {
714
715
716 // leaf on stack replacement interpreter accessor types
717 static inline const TypeFunc* osr_end_Type() {
718 assert(_osr_end_Type != nullptr, "should be initialized");
719 return _osr_end_Type;
720 }
721
722 static inline const TypeFunc* register_finalizer_Type() {
723 assert(_register_finalizer_Type != nullptr, "should be initialized");
724 return _register_finalizer_Type;
725 }
726
727 #if INCLUDE_JFR
728 static inline const TypeFunc* class_id_load_barrier_Type() {
729 assert(_class_id_load_barrier_Type != nullptr, "should be initialized");
730 return _class_id_load_barrier_Type;
731 }
732 #endif // INCLUDE_JFR
733
734 static const TypeFunc* load_unknown_inline_Type();
735 static const TypeFunc* store_unknown_inline_Type();
736
737 static const TypeFunc* store_inline_type_fields_Type();
738 static const TypeFunc* pack_inline_type_Type();
739
740 #if INCLUDE_JVMTI
741 static inline const TypeFunc* notify_jvmti_vthread_Type() {
742 assert(_notify_jvmti_vthread_Type != nullptr, "should be initialized");
743 return _notify_jvmti_vthread_Type;
744 }
745 #endif
746
747 // Dtrace support. entry and exit probes have the same signature
748 static inline const TypeFunc* dtrace_method_entry_exit_Type() {
749 assert(_dtrace_method_entry_exit_Type != nullptr, "should be initialized");
750 return _dtrace_method_entry_exit_Type;
751 }
752
753 static inline const TypeFunc* dtrace_object_alloc_Type() {
754 assert(_dtrace_object_alloc_Type != nullptr, "should be initialized");
755 return _dtrace_object_alloc_Type;
756 }
757
758 #ifndef PRODUCT
759 // Signature for runtime calls in debug printing nodes, which depends on which nodes are actually passed
|