1 /*
2 * Copyright (c) 1998, 2024, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
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
162 // control to corresponding JRT methods of SharedRuntime
163 static void slow_arraycopy_C(oopDesc* src, jint src_pos,
164 oopDesc* dest, jint dest_pos,
165 jint length, JavaThread* thread);
166 static void complete_monitor_locking_C(oopDesc* obj, BasicLock* lock, JavaThread* current);
167
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
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1 /*
2 * Copyright (c) 1998, 2025, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
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, bool is_larval, 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
162 // control to corresponding JRT methods of SharedRuntime
163 static void slow_arraycopy_C(oopDesc* src, jint src_pos,
164 oopDesc* dest, jint dest_pos,
165 jint length, JavaThread* thread);
166 static void complete_monitor_locking_C(oopDesc* obj, BasicLock* lock, JavaThread* current);
167
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 static void load_unknown_inline_C(flatArrayOopDesc* array, int index, JavaThread* current);
195 static void store_unknown_inline_C(instanceOopDesc* buffer, flatArrayOopDesc* array, int index, JavaThread* current);
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 complete_monitor_locking_Java() { return _complete_monitor_locking_Java; }
223 static address monitor_notify_Java() { return _monitor_notify_Java; }
224 static address monitor_notifyAll_Java() { return _monitor_notifyAll_Java; }
225
226 static address slow_arraycopy_Java() { return _slow_arraycopy_Java; }
227 static address register_finalizer_Java() { return _register_finalizer_Java; }
228 static address load_unknown_inline_Java() { return _load_unknown_inline_Java; }
229 static address store_unknown_inline_Java() { return _store_unknown_inline_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* load_unknown_inline_Type();
333 static const TypeFunc* store_unknown_inline_Type();
334
335 static const TypeFunc* store_inline_type_fields_Type();
336 static const TypeFunc* pack_inline_type_Type();
337
338 JFR_ONLY(static const TypeFunc* class_id_load_barrier_Type();)
339 #if INCLUDE_JVMTI
340 static const TypeFunc* notify_jvmti_vthread_Type();
341 #endif
342
343 // Dtrace support
344 static const TypeFunc* dtrace_method_entry_exit_Type();
345 static const TypeFunc* dtrace_object_alloc_Type();
346
347 private:
348 static NamedCounter * volatile _named_counters;
349
350 public:
351 // helper function which creates a named counter labeled with the
352 // if they are available
353 static NamedCounter* new_named_counter(JVMState* jvms, NamedCounter::CounterTag tag);
354
355 // dumps all the named counters
356 static void print_named_counters();
357
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