98 };
99
100 typedef const TypeFunc*(*TypeFunc_generator)();
101
102 // define OptoStubId enum tags: uncommon_trap_id etc
103
104 #define C2_BLOB_ID_ENUM_DECLARE(name, type) STUB_ID_NAME(name),
105 #define C2_STUB_ID_ENUM_DECLARE(name, f, t, r) STUB_ID_NAME(name),
106 #define C2_JVMTI_STUB_ID_ENUM_DECLARE(name) STUB_ID_NAME(name),
107 enum class OptoStubId :int {
108 NO_STUBID = -1,
109 C2_STUBS_DO(C2_BLOB_ID_ENUM_DECLARE, C2_STUB_ID_ENUM_DECLARE, C2_JVMTI_STUB_ID_ENUM_DECLARE)
110 NUM_STUBIDS
111 };
112 #undef C2_BLOB_ID_ENUM_DECLARE
113 #undef C2_STUB_ID_ENUM_DECLARE
114 #undef C2_JVMTI_STUB_ID_ENUM_DECLARE
115
116 class OptoRuntime : public AllStatic {
117 friend class Matcher; // allow access to stub names
118
119 private:
120 // declare opto stub address/blob holder static fields
121 #define C2_BLOB_FIELD_DECLARE(name, type) \
122 static type BLOB_FIELD_NAME(name);
123 #define C2_STUB_FIELD_NAME(name) _ ## name ## _Java
124 #define C2_STUB_FIELD_DECLARE(name, f, t, r) \
125 static address C2_STUB_FIELD_NAME(name) ;
126 #define C2_JVMTI_STUB_FIELD_DECLARE(name) \
127 static address STUB_FIELD_NAME(name);
128
129 C2_STUBS_DO(C2_BLOB_FIELD_DECLARE, C2_STUB_FIELD_DECLARE, C2_JVMTI_STUB_FIELD_DECLARE)
130
131 #undef C2_BLOB_FIELD_DECLARE
132 #undef C2_STUB_FIELD_NAME
133 #undef C2_STUB_FIELD_DECLARE
134 #undef C2_JVMTI_STUB_FIELD_DECLARE
135
136 // Stub names indexed by sharedStubId
137 static const char *_stub_names[];
138
139 // define stubs
140 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);
141
142 //
143 // Implementation of runtime methods
144 // =================================
145
146 // Allocate storage for a Java instance.
147 static void new_instance_C(Klass* instance_klass, JavaThread* current);
148
149 // Allocate storage for a objArray or typeArray
150 static void new_array_C(Klass* array_klass, int len, JavaThread* current);
151 static void new_array_nozero_C(Klass* array_klass, int len, JavaThread* current);
152
153 // Allocate storage for a multi-dimensional arrays
154 // Note: needs to be fixed for arbitrary number of dimensions
155 static void multianewarray2_C(Klass* klass, int len1, int len2, JavaThread* current);
156 static void multianewarray3_C(Klass* klass, int len1, int len2, int len3, JavaThread* current);
157 static void multianewarray4_C(Klass* klass, int len1, int len2, int len3, int len4, JavaThread* current);
158 static void multianewarray5_C(Klass* klass, int len1, int len2, int len3, int len4, int len5, JavaThread* current);
159 static void multianewarrayN_C(Klass* klass, arrayOopDesc* dims, JavaThread* current);
160
161 // local methods passed as arguments to stub generator that forward
172 private:
173
174 // Implicit exception support
175 static void throw_null_exception_C(JavaThread* thread);
176
177 // Exception handling
178 static address handle_exception_C (JavaThread* current);
179 static address handle_exception_C_helper(JavaThread* current, nmethod*& nm);
180 static address rethrow_C (oopDesc* exception, JavaThread *thread, address return_pc );
181 static void deoptimize_caller_frame (JavaThread *thread);
182 static void deoptimize_caller_frame (JavaThread *thread, bool doit);
183 static bool is_deoptimized_caller_frame (JavaThread *thread);
184
185 // CodeBlob support
186 // ===================================================================
187
188 static void generate_uncommon_trap_blob(void);
189 static void generate_exception_blob();
190
191 static void register_finalizer_C(oopDesc* obj, JavaThread* current);
192
193 public:
194
195 static bool is_callee_saved_register(MachRegisterNumbers reg);
196
197 // One time only generate runtime code stubs. Returns true
198 // when runtime stubs have been generated successfully and
199 // false otherwise.
200 static bool generate(ciEnv* env);
201
202 // Returns the name of a stub
203 static const char* stub_name(address entry);
204
205 // Returns the name associated with a given stub id
206 static const char* stub_name(OptoStubId id) {
207 assert(id > OptoStubId::NO_STUBID && id < OptoStubId::NUM_STUBIDS, "stub id out of range");
208 return _stub_names[(int)id];
209 }
210
211 // access to runtime stubs entry points for java code
212 static address new_instance_Java() { return _new_instance_Java; }
213 static address new_array_Java() { return _new_array_Java; }
214 static address new_array_nozero_Java() { return _new_array_nozero_Java; }
215 static address multianewarray2_Java() { return _multianewarray2_Java; }
216 static address multianewarray3_Java() { return _multianewarray3_Java; }
217 static address multianewarray4_Java() { return _multianewarray4_Java; }
218 static address multianewarray5_Java() { return _multianewarray5_Java; }
219 static address multianewarrayN_Java() { return _multianewarrayN_Java; }
220 static address complete_monitor_locking_Java() { return _complete_monitor_locking_Java; }
221 static address monitor_notify_Java() { return _monitor_notify_Java; }
222 static address monitor_notifyAll_Java() { return _monitor_notifyAll_Java; }
223
224 static address slow_arraycopy_Java() { return _slow_arraycopy_Java; }
225 static address register_finalizer_Java() { return _register_finalizer_Java; }
226 #if INCLUDE_JVMTI
227 static address notify_jvmti_vthread_start() { return _notify_jvmti_vthread_start; }
228 static address notify_jvmti_vthread_end() { return _notify_jvmti_vthread_end; }
229 static address notify_jvmti_vthread_mount() { return _notify_jvmti_vthread_mount; }
230 static address notify_jvmti_vthread_unmount() { return _notify_jvmti_vthread_unmount; }
231 #endif
232
233 static UncommonTrapBlob* uncommon_trap_blob() { return _uncommon_trap_blob; }
234 static ExceptionBlob* exception_blob() { return _exception_blob; }
235
236 // Implicit exception support
237 static void throw_div0_exception_C (JavaThread* thread);
238 static void throw_stack_overflow_error_C(JavaThread* thread);
239
240 // Exception handling
241 static address rethrow_stub() { return _rethrow_Java; }
242
243
244 // Type functions
245 // ======================================================
308
309 static const TypeFunc* ghash_processBlocks_Type();
310 static const TypeFunc* chacha20Block_Type();
311 static const TypeFunc* base64_encodeBlock_Type();
312 static const TypeFunc* base64_decodeBlock_Type();
313 static const TypeFunc* string_IndexOf_Type();
314 static const TypeFunc* poly1305_processBlocks_Type();
315 static const TypeFunc* intpoly_montgomeryMult_P256_Type();
316 static const TypeFunc* intpoly_assign_Type();
317
318 static const TypeFunc* updateBytesCRC32_Type();
319 static const TypeFunc* updateBytesCRC32C_Type();
320
321 static const TypeFunc* updateBytesAdler32_Type();
322
323 // leaf on stack replacement interpreter accessor types
324 static const TypeFunc* osr_end_Type();
325
326 static const TypeFunc* register_finalizer_Type();
327
328 JFR_ONLY(static const TypeFunc* class_id_load_barrier_Type();)
329 #if INCLUDE_JVMTI
330 static const TypeFunc* notify_jvmti_vthread_Type();
331 #endif
332
333 // Dtrace support
334 static const TypeFunc* dtrace_method_entry_exit_Type();
335 static const TypeFunc* dtrace_object_alloc_Type();
336
337 private:
338 static NamedCounter * volatile _named_counters;
339
340 public:
341 // helper function which creates a named counter labeled with the
342 // if they are available
343 static NamedCounter* new_named_counter(JVMState* jvms, NamedCounter::CounterTag tag);
344
345 // dumps all the named counters
346 static void print_named_counters();
347
348 };
349
350 #endif // SHARE_OPTO_RUNTIME_HPP
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98 };
99
100 typedef const TypeFunc*(*TypeFunc_generator)();
101
102 // define OptoStubId enum tags: uncommon_trap_id etc
103
104 #define C2_BLOB_ID_ENUM_DECLARE(name, type) STUB_ID_NAME(name),
105 #define C2_STUB_ID_ENUM_DECLARE(name, f, t, r) STUB_ID_NAME(name),
106 #define C2_JVMTI_STUB_ID_ENUM_DECLARE(name) STUB_ID_NAME(name),
107 enum class OptoStubId :int {
108 NO_STUBID = -1,
109 C2_STUBS_DO(C2_BLOB_ID_ENUM_DECLARE, C2_STUB_ID_ENUM_DECLARE, C2_JVMTI_STUB_ID_ENUM_DECLARE)
110 NUM_STUBIDS
111 };
112 #undef C2_BLOB_ID_ENUM_DECLARE
113 #undef C2_STUB_ID_ENUM_DECLARE
114 #undef C2_JVMTI_STUB_ID_ENUM_DECLARE
115
116 class OptoRuntime : public AllStatic {
117 friend class Matcher; // allow access to stub names
118 friend class SCAddressTable;
119 private:
120 // declare opto stub address/blob holder static fields
121 #define C2_BLOB_FIELD_DECLARE(name, type) \
122 static type BLOB_FIELD_NAME(name);
123 #define C2_STUB_FIELD_NAME(name) _ ## name ## _Java
124 #define C2_STUB_FIELD_DECLARE(name, f, t, r) \
125 static address C2_STUB_FIELD_NAME(name) ;
126 #define C2_JVMTI_STUB_FIELD_DECLARE(name) \
127 static address STUB_FIELD_NAME(name);
128
129 C2_STUBS_DO(C2_BLOB_FIELD_DECLARE, C2_STUB_FIELD_DECLARE, C2_JVMTI_STUB_FIELD_DECLARE)
130
131 #undef C2_BLOB_FIELD_DECLARE
132 #undef C2_STUB_FIELD_NAME
133 #undef C2_STUB_FIELD_DECLARE
134 #undef C2_JVMTI_STUB_FIELD_DECLARE
135
136 // Stub names indexed by sharedStubId
137 static const char *_stub_names[];
138
139 // define stubs
140 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);
141
142 static address _vtable_must_compile_Java;
143
144 //
145 // Implementation of runtime methods
146 // =================================
147
148 // Allocate storage for a Java instance.
149 static void new_instance_C(Klass* instance_klass, JavaThread* current);
150
151 // Allocate storage for a objArray or typeArray
152 static void new_array_C(Klass* array_klass, int len, JavaThread* current);
153 static void new_array_nozero_C(Klass* array_klass, int len, JavaThread* current);
154
155 // Allocate storage for a multi-dimensional arrays
156 // Note: needs to be fixed for arbitrary number of dimensions
157 static void multianewarray2_C(Klass* klass, int len1, int len2, JavaThread* current);
158 static void multianewarray3_C(Klass* klass, int len1, int len2, int len3, JavaThread* current);
159 static void multianewarray4_C(Klass* klass, int len1, int len2, int len3, int len4, JavaThread* current);
160 static void multianewarray5_C(Klass* klass, int len1, int len2, int len3, int len4, int len5, JavaThread* current);
161 static void multianewarrayN_C(Klass* klass, arrayOopDesc* dims, JavaThread* current);
162
163 // local methods passed as arguments to stub generator that forward
174 private:
175
176 // Implicit exception support
177 static void throw_null_exception_C(JavaThread* thread);
178
179 // Exception handling
180 static address handle_exception_C (JavaThread* current);
181 static address handle_exception_C_helper(JavaThread* current, nmethod*& nm);
182 static address rethrow_C (oopDesc* exception, JavaThread *thread, address return_pc );
183 static void deoptimize_caller_frame (JavaThread *thread);
184 static void deoptimize_caller_frame (JavaThread *thread, bool doit);
185 static bool is_deoptimized_caller_frame (JavaThread *thread);
186
187 // CodeBlob support
188 // ===================================================================
189
190 static void generate_uncommon_trap_blob(void);
191 static void generate_exception_blob();
192
193 static void register_finalizer_C(oopDesc* obj, JavaThread* current);
194 static void class_init_barrier_C(Klass* k, JavaThread* current);
195 public:
196
197 static bool is_callee_saved_register(MachRegisterNumbers reg);
198
199 // One time only generate runtime code stubs. Returns true
200 // when runtime stubs have been generated successfully and
201 // false otherwise.
202 static bool generate(ciEnv* env);
203
204 // Returns the name of a stub
205 static const char* stub_name(address entry);
206
207 // Returns the name associated with a given stub id
208 static const char* stub_name(OptoStubId id) {
209 assert(id > OptoStubId::NO_STUBID && id < OptoStubId::NUM_STUBIDS, "stub id out of range");
210 return _stub_names[(int)id];
211 }
212
213 // access to runtime stubs entry points for java code
214 static address new_instance_Java() { return _new_instance_Java; }
215 static address new_array_Java() { return _new_array_Java; }
216 static address new_array_nozero_Java() { return _new_array_nozero_Java; }
217 static address multianewarray2_Java() { return _multianewarray2_Java; }
218 static address multianewarray3_Java() { return _multianewarray3_Java; }
219 static address multianewarray4_Java() { return _multianewarray4_Java; }
220 static address multianewarray5_Java() { return _multianewarray5_Java; }
221 static address multianewarrayN_Java() { return _multianewarrayN_Java; }
222 static address vtable_must_compile_stub() { return _vtable_must_compile_Java; }
223 static address complete_monitor_locking_Java() { return _complete_monitor_locking_Java; }
224 static address monitor_notify_Java() { return _monitor_notify_Java; }
225 static address monitor_notifyAll_Java() { return _monitor_notifyAll_Java; }
226
227 static address slow_arraycopy_Java() { return _slow_arraycopy_Java; }
228 static address register_finalizer_Java() { return _register_finalizer_Java; }
229 static address class_init_barrier_Java() { return _class_init_barrier_Java; }
230 #if INCLUDE_JVMTI
231 static address notify_jvmti_vthread_start() { return _notify_jvmti_vthread_start; }
232 static address notify_jvmti_vthread_end() { return _notify_jvmti_vthread_end; }
233 static address notify_jvmti_vthread_mount() { return _notify_jvmti_vthread_mount; }
234 static address notify_jvmti_vthread_unmount() { return _notify_jvmti_vthread_unmount; }
235 #endif
236
237 static UncommonTrapBlob* uncommon_trap_blob() { return _uncommon_trap_blob; }
238 static ExceptionBlob* exception_blob() { return _exception_blob; }
239
240 // Implicit exception support
241 static void throw_div0_exception_C (JavaThread* thread);
242 static void throw_stack_overflow_error_C(JavaThread* thread);
243
244 // Exception handling
245 static address rethrow_stub() { return _rethrow_Java; }
246
247
248 // Type functions
249 // ======================================================
312
313 static const TypeFunc* ghash_processBlocks_Type();
314 static const TypeFunc* chacha20Block_Type();
315 static const TypeFunc* base64_encodeBlock_Type();
316 static const TypeFunc* base64_decodeBlock_Type();
317 static const TypeFunc* string_IndexOf_Type();
318 static const TypeFunc* poly1305_processBlocks_Type();
319 static const TypeFunc* intpoly_montgomeryMult_P256_Type();
320 static const TypeFunc* intpoly_assign_Type();
321
322 static const TypeFunc* updateBytesCRC32_Type();
323 static const TypeFunc* updateBytesCRC32C_Type();
324
325 static const TypeFunc* updateBytesAdler32_Type();
326
327 // leaf on stack replacement interpreter accessor types
328 static const TypeFunc* osr_end_Type();
329
330 static const TypeFunc* register_finalizer_Type();
331
332 static const TypeFunc* class_init_barrier_Type();
333
334 JFR_ONLY(static const TypeFunc* class_id_load_barrier_Type();)
335 #if INCLUDE_JVMTI
336 static const TypeFunc* notify_jvmti_vthread_Type();
337 #endif
338
339 // runtime upcalls support
340 static const TypeFunc* runtime_up_call_Type();
341
342 // Dtrace support
343 static const TypeFunc* dtrace_method_entry_exit_Type();
344 static const TypeFunc* dtrace_object_alloc_Type();
345
346 private:
347 static NamedCounter * volatile _named_counters;
348
349 public:
350 // helper function which creates a named counter labeled with the
351 // if they are available
352 static NamedCounter* new_named_counter(JVMState* jvms, NamedCounter::CounterTag tag);
353
354 // dumps all the named counters
355 static void print_named_counters();
356
357 public:
358 static void init_counters();
359 static void print_counters_on(outputStream* st);
360 };
361
362 #endif // SHARE_OPTO_RUNTIME_HPP
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