1 /*
2 * Copyright (c) 1998, 2022, 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 *
23 */
24
25 #include "precompiled.hpp"
26 #include "classfile/vmClasses.hpp"
27 #include "classfile/vmSymbols.hpp"
28 #include "code/codeCache.hpp"
29 #include "code/compiledMethod.inline.hpp"
30 #include "code/compiledIC.hpp"
31 #include "code/icBuffer.hpp"
32 #include "code/nmethod.hpp"
33 #include "code/pcDesc.hpp"
34 #include "code/scopeDesc.hpp"
35 #include "code/vtableStubs.hpp"
36 #include "compiler/compileBroker.hpp"
37 #include "compiler/oopMap.hpp"
38 #include "gc/g1/heapRegion.hpp"
39 #include "gc/shared/barrierSet.hpp"
40 #include "gc/shared/collectedHeap.hpp"
41 #include "gc/shared/gcLocker.hpp"
42 #include "interpreter/bytecode.hpp"
43 #include "interpreter/interpreter.hpp"
44 #include "interpreter/linkResolver.hpp"
45 #include "logging/log.hpp"
46 #include "logging/logStream.hpp"
47 #include "memory/oopFactory.hpp"
48 #include "memory/resourceArea.hpp"
49 #include "oops/objArrayKlass.hpp"
50 #include "oops/klass.inline.hpp"
51 #include "oops/oop.inline.hpp"
52 #include "oops/typeArrayOop.inline.hpp"
53 #include "opto/ad.hpp"
54 #include "opto/addnode.hpp"
55 #include "opto/callnode.hpp"
56 #include "opto/cfgnode.hpp"
57 #include "opto/graphKit.hpp"
58 #include "opto/machnode.hpp"
59 #include "opto/matcher.hpp"
60 #include "opto/memnode.hpp"
61 #include "opto/mulnode.hpp"
62 #include "opto/output.hpp"
63 #include "opto/runtime.hpp"
64 #include "opto/subnode.hpp"
65 #include "prims/jvmtiExport.hpp"
66 #include "runtime/atomic.hpp"
67 #include "runtime/frame.inline.hpp"
68 #include "runtime/handles.inline.hpp"
69 #include "runtime/interfaceSupport.inline.hpp"
70 #include "runtime/javaCalls.hpp"
71 #include "runtime/sharedRuntime.hpp"
72 #include "runtime/signature.hpp"
73 #include "runtime/stackWatermarkSet.hpp"
74 #include "runtime/synchronizer.hpp"
75 #include "runtime/threadCritical.hpp"
76 #include "runtime/threadWXSetters.inline.hpp"
77 #include "runtime/vframe.hpp"
78 #include "runtime/vframeArray.hpp"
79 #include "runtime/vframe_hp.hpp"
80 #include "utilities/copy.hpp"
81 #include "utilities/preserveException.hpp"
82
83
84 // For debugging purposes:
85 // To force FullGCALot inside a runtime function, add the following two lines
86 //
87 // Universe::release_fullgc_alot_dummy();
88 // MarkSweep::invoke(0, "Debugging");
89 //
90 // At command line specify the parameters: -XX:+FullGCALot -XX:FullGCALotStart=100000000
91
92
93
94
95 // Compiled code entry points
96 address OptoRuntime::_new_instance_Java = NULL;
97 address OptoRuntime::_new_array_Java = NULL;
98 address OptoRuntime::_new_array_nozero_Java = NULL;
99 address OptoRuntime::_multianewarray2_Java = NULL;
100 address OptoRuntime::_multianewarray3_Java = NULL;
101 address OptoRuntime::_multianewarray4_Java = NULL;
102 address OptoRuntime::_multianewarray5_Java = NULL;
103 address OptoRuntime::_multianewarrayN_Java = NULL;
104 address OptoRuntime::_vtable_must_compile_Java = NULL;
105 address OptoRuntime::_complete_monitor_locking_Java = NULL;
106 address OptoRuntime::_monitor_notify_Java = NULL;
107 address OptoRuntime::_monitor_notifyAll_Java = NULL;
108 address OptoRuntime::_rethrow_Java = NULL;
109
110 address OptoRuntime::_slow_arraycopy_Java = NULL;
111 address OptoRuntime::_register_finalizer_Java = NULL;
112
113 ExceptionBlob* OptoRuntime::_exception_blob;
114
115 // This should be called in an assertion at the start of OptoRuntime routines
116 // which are entered from compiled code (all of them)
117 #ifdef ASSERT
118 static bool check_compiled_frame(JavaThread* thread) {
119 assert(thread->last_frame().is_runtime_frame(), "cannot call runtime directly from compiled code");
120 RegisterMap map(thread,
121 RegisterMap::UpdateMap::skip,
122 RegisterMap::ProcessFrames::include,
123 RegisterMap::WalkContinuation::skip);
124 frame caller = thread->last_frame().sender(&map);
125 assert(caller.is_compiled_frame(), "not being called from compiled like code");
126 return true;
127 }
128 #endif // ASSERT
129
130
131 #define gen(env, var, type_func_gen, c_func, fancy_jump, pass_tls, return_pc) \
132 var = generate_stub(env, type_func_gen, CAST_FROM_FN_PTR(address, c_func), #var, fancy_jump, pass_tls, return_pc); \
133 if (var == NULL) { return false; }
134
135 bool OptoRuntime::generate(ciEnv* env) {
136
137 generate_exception_blob();
138
139 // Note: tls: Means fetching the return oop out of the thread-local storage
140 //
141 // variable/name type-function-gen , runtime method ,fncy_jp, tls,retpc
142 // -------------------------------------------------------------------------------------------------------------------------------
143 gen(env, _new_instance_Java , new_instance_Type , new_instance_C , 0 , true, false);
144 gen(env, _new_array_Java , new_array_Type , new_array_C , 0 , true, false);
145 gen(env, _new_array_nozero_Java , new_array_Type , new_array_nozero_C , 0 , true, false);
146 gen(env, _multianewarray2_Java , multianewarray2_Type , multianewarray2_C , 0 , true, false);
147 gen(env, _multianewarray3_Java , multianewarray3_Type , multianewarray3_C , 0 , true, false);
148 gen(env, _multianewarray4_Java , multianewarray4_Type , multianewarray4_C , 0 , true, false);
149 gen(env, _multianewarray5_Java , multianewarray5_Type , multianewarray5_C , 0 , true, false);
150 gen(env, _multianewarrayN_Java , multianewarrayN_Type , multianewarrayN_C , 0 , true, false);
151 gen(env, _complete_monitor_locking_Java , complete_monitor_enter_Type , SharedRuntime::complete_monitor_locking_C, 0, false, false);
152 gen(env, _monitor_notify_Java , monitor_notify_Type , monitor_notify_C , 0 , false, false);
153 gen(env, _monitor_notifyAll_Java , monitor_notify_Type , monitor_notifyAll_C , 0 , false, false);
154 gen(env, _rethrow_Java , rethrow_Type , rethrow_C , 2 , true , true );
155
156 gen(env, _slow_arraycopy_Java , slow_arraycopy_Type , SharedRuntime::slow_arraycopy_C , 0 , false, false);
157 gen(env, _register_finalizer_Java , register_finalizer_Type , register_finalizer , 0 , false, false);
158
159 return true;
160 }
161
162 #undef gen
163
164
165 // Helper method to do generation of RunTimeStub's
166 address OptoRuntime::generate_stub(ciEnv* env,
167 TypeFunc_generator gen, address C_function,
168 const char *name, int is_fancy_jump,
169 bool pass_tls,
170 bool return_pc) {
171
172 // Matching the default directive, we currently have no method to match.
173 DirectiveSet* directive = DirectivesStack::getDefaultDirective(CompileBroker::compiler(CompLevel_full_optimization));
174 ResourceMark rm;
175 Compile C(env, gen, C_function, name, is_fancy_jump, pass_tls, return_pc, directive);
176 DirectivesStack::release(directive);
177 return C.stub_entry_point();
178 }
179
180 const char* OptoRuntime::stub_name(address entry) {
181 #ifndef PRODUCT
182 CodeBlob* cb = CodeCache::find_blob(entry);
183 RuntimeStub* rs =(RuntimeStub *)cb;
184 assert(rs != NULL && rs->is_runtime_stub(), "not a runtime stub");
185 return rs->name();
186 #else
187 // Fast implementation for product mode (maybe it should be inlined too)
188 return "runtime stub";
189 #endif
190 }
191
192
193 //=============================================================================
194 // Opto compiler runtime routines
195 //=============================================================================
196
197
198 //=============================allocation======================================
199 // We failed the fast-path allocation. Now we need to do a scavenge or GC
200 // and try allocation again.
201
202 // object allocation
203 JRT_BLOCK_ENTRY(void, OptoRuntime::new_instance_C(Klass* klass, JavaThread* current))
204 JRT_BLOCK;
205 #ifndef PRODUCT
206 SharedRuntime::_new_instance_ctr++; // new instance requires GC
207 #endif
208 assert(check_compiled_frame(current), "incorrect caller");
209
210 // These checks are cheap to make and support reflective allocation.
211 int lh = klass->layout_helper();
212 if (Klass::layout_helper_needs_slow_path(lh) || !InstanceKlass::cast(klass)->is_initialized()) {
213 Handle holder(current, klass->klass_holder()); // keep the klass alive
214 klass->check_valid_for_instantiation(false, THREAD);
215 if (!HAS_PENDING_EXCEPTION) {
216 InstanceKlass::cast(klass)->initialize(THREAD);
217 }
218 }
219
220 if (!HAS_PENDING_EXCEPTION) {
221 // Scavenge and allocate an instance.
222 Handle holder(current, klass->klass_holder()); // keep the klass alive
223 oop result = InstanceKlass::cast(klass)->allocate_instance(THREAD);
224 current->set_vm_result(result);
225
226 // Pass oops back through thread local storage. Our apparent type to Java
227 // is that we return an oop, but we can block on exit from this routine and
228 // a GC can trash the oop in C's return register. The generated stub will
229 // fetch the oop from TLS after any possible GC.
230 }
231
232 deoptimize_caller_frame(current, HAS_PENDING_EXCEPTION);
233 JRT_BLOCK_END;
234
235 // inform GC that we won't do card marks for initializing writes.
236 SharedRuntime::on_slowpath_allocation_exit(current);
237 JRT_END
238
239
240 // array allocation
241 JRT_BLOCK_ENTRY(void, OptoRuntime::new_array_C(Klass* array_type, int len, JavaThread* current))
242 JRT_BLOCK;
243 #ifndef PRODUCT
244 SharedRuntime::_new_array_ctr++; // new array requires GC
245 #endif
246 assert(check_compiled_frame(current), "incorrect caller");
247
248 // Scavenge and allocate an instance.
249 oop result;
250
251 if (array_type->is_typeArray_klass()) {
252 // The oopFactory likes to work with the element type.
253 // (We could bypass the oopFactory, since it doesn't add much value.)
254 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type();
255 result = oopFactory::new_typeArray(elem_type, len, THREAD);
256 } else {
257 // Although the oopFactory likes to work with the elem_type,
258 // the compiler prefers the array_type, since it must already have
259 // that latter value in hand for the fast path.
260 Handle holder(current, array_type->klass_holder()); // keep the array klass alive
261 Klass* elem_type = ObjArrayKlass::cast(array_type)->element_klass();
262 result = oopFactory::new_objArray(elem_type, len, THREAD);
263 }
264
265 // Pass oops back through thread local storage. Our apparent type to Java
266 // is that we return an oop, but we can block on exit from this routine and
267 // a GC can trash the oop in C's return register. The generated stub will
268 // fetch the oop from TLS after any possible GC.
269 deoptimize_caller_frame(current, HAS_PENDING_EXCEPTION);
270 current->set_vm_result(result);
271 JRT_BLOCK_END;
272
273 // inform GC that we won't do card marks for initializing writes.
274 SharedRuntime::on_slowpath_allocation_exit(current);
275 JRT_END
276
277 // array allocation without zeroing
278 JRT_BLOCK_ENTRY(void, OptoRuntime::new_array_nozero_C(Klass* array_type, int len, JavaThread* current))
279 JRT_BLOCK;
280 #ifndef PRODUCT
281 SharedRuntime::_new_array_ctr++; // new array requires GC
282 #endif
283 assert(check_compiled_frame(current), "incorrect caller");
284
285 // Scavenge and allocate an instance.
286 oop result;
287
288 assert(array_type->is_typeArray_klass(), "should be called only for type array");
289 // The oopFactory likes to work with the element type.
290 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type();
291 result = oopFactory::new_typeArray_nozero(elem_type, len, THREAD);
292
293 // Pass oops back through thread local storage. Our apparent type to Java
294 // is that we return an oop, but we can block on exit from this routine and
295 // a GC can trash the oop in C's return register. The generated stub will
296 // fetch the oop from TLS after any possible GC.
297 deoptimize_caller_frame(current, HAS_PENDING_EXCEPTION);
298 current->set_vm_result(result);
299 JRT_BLOCK_END;
300
301
302 // inform GC that we won't do card marks for initializing writes.
303 SharedRuntime::on_slowpath_allocation_exit(current);
304
305 oop result = current->vm_result();
306 if ((len > 0) && (result != NULL) &&
307 is_deoptimized_caller_frame(current)) {
308 // Zero array here if the caller is deoptimized.
309 const size_t size = TypeArrayKlass::cast(array_type)->oop_size(result);
310 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type();
311 const size_t hs = arrayOopDesc::header_size(elem_type);
312 // Align to next 8 bytes to avoid trashing arrays's length.
313 const size_t aligned_hs = align_object_offset(hs);
314 HeapWord* obj = cast_from_oop<HeapWord*>(result);
315 if (aligned_hs > hs) {
316 Copy::zero_to_words(obj+hs, aligned_hs-hs);
317 }
318 // Optimized zeroing.
319 Copy::fill_to_aligned_words(obj+aligned_hs, size-aligned_hs);
320 }
321
322 JRT_END
323
324 // Note: multianewarray for one dimension is handled inline by GraphKit::new_array.
325
326 // multianewarray for 2 dimensions
327 JRT_ENTRY(void, OptoRuntime::multianewarray2_C(Klass* elem_type, int len1, int len2, JavaThread* current))
328 #ifndef PRODUCT
329 SharedRuntime::_multi2_ctr++; // multianewarray for 1 dimension
330 #endif
331 assert(check_compiled_frame(current), "incorrect caller");
332 assert(elem_type->is_klass(), "not a class");
333 jint dims[2];
334 dims[0] = len1;
335 dims[1] = len2;
336 Handle holder(current, elem_type->klass_holder()); // keep the klass alive
337 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(2, dims, THREAD);
338 deoptimize_caller_frame(current, HAS_PENDING_EXCEPTION);
339 current->set_vm_result(obj);
340 JRT_END
341
342 // multianewarray for 3 dimensions
343 JRT_ENTRY(void, OptoRuntime::multianewarray3_C(Klass* elem_type, int len1, int len2, int len3, JavaThread* current))
344 #ifndef PRODUCT
345 SharedRuntime::_multi3_ctr++; // multianewarray for 1 dimension
346 #endif
347 assert(check_compiled_frame(current), "incorrect caller");
348 assert(elem_type->is_klass(), "not a class");
349 jint dims[3];
350 dims[0] = len1;
351 dims[1] = len2;
352 dims[2] = len3;
353 Handle holder(current, elem_type->klass_holder()); // keep the klass alive
354 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(3, dims, THREAD);
355 deoptimize_caller_frame(current, HAS_PENDING_EXCEPTION);
356 current->set_vm_result(obj);
357 JRT_END
358
359 // multianewarray for 4 dimensions
360 JRT_ENTRY(void, OptoRuntime::multianewarray4_C(Klass* elem_type, int len1, int len2, int len3, int len4, JavaThread* current))
361 #ifndef PRODUCT
362 SharedRuntime::_multi4_ctr++; // multianewarray for 1 dimension
363 #endif
364 assert(check_compiled_frame(current), "incorrect caller");
365 assert(elem_type->is_klass(), "not a class");
366 jint dims[4];
367 dims[0] = len1;
368 dims[1] = len2;
369 dims[2] = len3;
370 dims[3] = len4;
371 Handle holder(current, elem_type->klass_holder()); // keep the klass alive
372 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(4, dims, THREAD);
373 deoptimize_caller_frame(current, HAS_PENDING_EXCEPTION);
374 current->set_vm_result(obj);
375 JRT_END
376
377 // multianewarray for 5 dimensions
378 JRT_ENTRY(void, OptoRuntime::multianewarray5_C(Klass* elem_type, int len1, int len2, int len3, int len4, int len5, JavaThread* current))
379 #ifndef PRODUCT
380 SharedRuntime::_multi5_ctr++; // multianewarray for 1 dimension
381 #endif
382 assert(check_compiled_frame(current), "incorrect caller");
383 assert(elem_type->is_klass(), "not a class");
384 jint dims[5];
385 dims[0] = len1;
386 dims[1] = len2;
387 dims[2] = len3;
388 dims[3] = len4;
389 dims[4] = len5;
390 Handle holder(current, elem_type->klass_holder()); // keep the klass alive
391 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(5, dims, THREAD);
392 deoptimize_caller_frame(current, HAS_PENDING_EXCEPTION);
393 current->set_vm_result(obj);
394 JRT_END
395
396 JRT_ENTRY(void, OptoRuntime::multianewarrayN_C(Klass* elem_type, arrayOopDesc* dims, JavaThread* current))
397 assert(check_compiled_frame(current), "incorrect caller");
398 assert(elem_type->is_klass(), "not a class");
399 assert(oop(dims)->is_typeArray(), "not an array");
400
401 ResourceMark rm;
402 jint len = dims->length();
403 assert(len > 0, "Dimensions array should contain data");
404 jint *c_dims = NEW_RESOURCE_ARRAY(jint, len);
405 ArrayAccess<>::arraycopy_to_native<>(dims, typeArrayOopDesc::element_offset<jint>(0),
406 c_dims, len);
407
408 Handle holder(current, elem_type->klass_holder()); // keep the klass alive
409 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(len, c_dims, THREAD);
410 deoptimize_caller_frame(current, HAS_PENDING_EXCEPTION);
411 current->set_vm_result(obj);
412 JRT_END
413
414 JRT_BLOCK_ENTRY(void, OptoRuntime::monitor_notify_C(oopDesc* obj, JavaThread* current))
415
416 // Very few notify/notifyAll operations find any threads on the waitset, so
417 // the dominant fast-path is to simply return.
418 // Relatedly, it's critical that notify/notifyAll be fast in order to
419 // reduce lock hold times.
420 if (!SafepointSynchronize::is_synchronizing()) {
421 if (ObjectSynchronizer::quick_notify(obj, current, false)) {
422 return;
423 }
424 }
425
426 // This is the case the fast-path above isn't provisioned to handle.
427 // The fast-path is designed to handle frequently arising cases in an efficient manner.
428 // (The fast-path is just a degenerate variant of the slow-path).
429 // Perform the dreaded state transition and pass control into the slow-path.
430 JRT_BLOCK;
431 Handle h_obj(current, obj);
432 ObjectSynchronizer::notify(h_obj, CHECK);
433 JRT_BLOCK_END;
434 JRT_END
435
436 JRT_BLOCK_ENTRY(void, OptoRuntime::monitor_notifyAll_C(oopDesc* obj, JavaThread* current))
437
438 if (!SafepointSynchronize::is_synchronizing() ) {
439 if (ObjectSynchronizer::quick_notify(obj, current, true)) {
440 return;
441 }
442 }
443
444 // This is the case the fast-path above isn't provisioned to handle.
445 // The fast-path is designed to handle frequently arising cases in an efficient manner.
446 // (The fast-path is just a degenerate variant of the slow-path).
447 // Perform the dreaded state transition and pass control into the slow-path.
448 JRT_BLOCK;
449 Handle h_obj(current, obj);
450 ObjectSynchronizer::notifyall(h_obj, CHECK);
451 JRT_BLOCK_END;
452 JRT_END
453
454 const TypeFunc *OptoRuntime::new_instance_Type() {
455 // create input type (domain)
456 const Type **fields = TypeTuple::fields(1);
457 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Klass to be allocated
458 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields);
459
460 // create result type (range)
461 fields = TypeTuple::fields(1);
462 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop
463
464 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields);
465
466 return TypeFunc::make(domain, range);
467 }
468
469
470 const TypeFunc *OptoRuntime::athrow_Type() {
471 // create input type (domain)
472 const Type **fields = TypeTuple::fields(1);
473 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Klass to be allocated
474 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields);
475
476 // create result type (range)
477 fields = TypeTuple::fields(0);
478
479 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields);
480
481 return TypeFunc::make(domain, range);
482 }
483
484
485 const TypeFunc *OptoRuntime::new_array_Type() {
486 // create input type (domain)
487 const Type **fields = TypeTuple::fields(2);
488 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // element klass
489 fields[TypeFunc::Parms+1] = TypeInt::INT; // array size
490 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields);
491
492 // create result type (range)
493 fields = TypeTuple::fields(1);
494 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop
495
496 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields);
497
498 return TypeFunc::make(domain, range);
499 }
500
501 const TypeFunc *OptoRuntime::multianewarray_Type(int ndim) {
502 // create input type (domain)
503 const int nargs = ndim + 1;
504 const Type **fields = TypeTuple::fields(nargs);
505 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // element klass
506 for( int i = 1; i < nargs; i++ )
507 fields[TypeFunc::Parms + i] = TypeInt::INT; // array size
508 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+nargs, fields);
509
510 // create result type (range)
511 fields = TypeTuple::fields(1);
512 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop
513 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields);
514
515 return TypeFunc::make(domain, range);
516 }
517
518 const TypeFunc *OptoRuntime::multianewarray2_Type() {
519 return multianewarray_Type(2);
520 }
521
522 const TypeFunc *OptoRuntime::multianewarray3_Type() {
523 return multianewarray_Type(3);
524 }
525
526 const TypeFunc *OptoRuntime::multianewarray4_Type() {
527 return multianewarray_Type(4);
528 }
529
530 const TypeFunc *OptoRuntime::multianewarray5_Type() {
531 return multianewarray_Type(5);
532 }
533
534 const TypeFunc *OptoRuntime::multianewarrayN_Type() {
535 // create input type (domain)
536 const Type **fields = TypeTuple::fields(2);
537 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // element klass
538 fields[TypeFunc::Parms+1] = TypeInstPtr::NOTNULL; // array of dim sizes
539 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields);
540
541 // create result type (range)
542 fields = TypeTuple::fields(1);
543 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop
544 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields);
545
546 return TypeFunc::make(domain, range);
547 }
548
549 const TypeFunc *OptoRuntime::uncommon_trap_Type() {
550 // create input type (domain)
551 const Type **fields = TypeTuple::fields(1);
552 fields[TypeFunc::Parms+0] = TypeInt::INT; // trap_reason (deopt reason and action)
553 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields);
554
555 // create result type (range)
556 fields = TypeTuple::fields(0);
557 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields);
558
559 return TypeFunc::make(domain, range);
560 }
561
562 //-----------------------------------------------------------------------------
563 // Monitor Handling
564 const TypeFunc *OptoRuntime::complete_monitor_enter_Type() {
565 // create input type (domain)
566 const Type **fields = TypeTuple::fields(2);
567 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Object to be Locked
568 fields[TypeFunc::Parms+1] = TypeRawPtr::BOTTOM; // Address of stack location for lock
569 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields);
570
571 // create result type (range)
572 fields = TypeTuple::fields(0);
573
574 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields);
575
576 return TypeFunc::make(domain,range);
577 }
578
579
580 //-----------------------------------------------------------------------------
581 const TypeFunc *OptoRuntime::complete_monitor_exit_Type() {
582 // create input type (domain)
583 const Type **fields = TypeTuple::fields(3);
584 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Object to be Locked
585 fields[TypeFunc::Parms+1] = TypeRawPtr::BOTTOM; // Address of stack location for lock - BasicLock
586 fields[TypeFunc::Parms+2] = TypeRawPtr::BOTTOM; // Thread pointer (Self)
587 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+3, fields);
588
589 // create result type (range)
590 fields = TypeTuple::fields(0);
591
592 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields);
593
594 return TypeFunc::make(domain, range);
595 }
596
597 const TypeFunc *OptoRuntime::monitor_notify_Type() {
598 // create input type (domain)
599 const Type **fields = TypeTuple::fields(1);
600 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Object to be Locked
601 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields);
602
603 // create result type (range)
604 fields = TypeTuple::fields(0);
605 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields);
606 return TypeFunc::make(domain, range);
607 }
608
609 const TypeFunc* OptoRuntime::flush_windows_Type() {
610 // create input type (domain)
611 const Type** fields = TypeTuple::fields(1);
612 fields[TypeFunc::Parms+0] = NULL; // void
613 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms, fields);
614
615 // create result type
616 fields = TypeTuple::fields(1);
617 fields[TypeFunc::Parms+0] = NULL; // void
618 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields);
619
620 return TypeFunc::make(domain, range);
621 }
622
623 const TypeFunc* OptoRuntime::l2f_Type() {
624 // create input type (domain)
625 const Type **fields = TypeTuple::fields(2);
626 fields[TypeFunc::Parms+0] = TypeLong::LONG;
627 fields[TypeFunc::Parms+1] = Type::HALF;
628 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields);
629
630 // create result type (range)
631 fields = TypeTuple::fields(1);
632 fields[TypeFunc::Parms+0] = Type::FLOAT;
633 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields);
634
635 return TypeFunc::make(domain, range);
636 }
637
638 const TypeFunc* OptoRuntime::modf_Type() {
639 const Type **fields = TypeTuple::fields(2);
640 fields[TypeFunc::Parms+0] = Type::FLOAT;
641 fields[TypeFunc::Parms+1] = Type::FLOAT;
642 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields);
643
644 // create result type (range)
645 fields = TypeTuple::fields(1);
646 fields[TypeFunc::Parms+0] = Type::FLOAT;
647
648 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields);
649
650 return TypeFunc::make(domain, range);
651 }
652
653 const TypeFunc *OptoRuntime::Math_D_D_Type() {
654 // create input type (domain)
655 const Type **fields = TypeTuple::fields(2);
656 // Symbol* name of class to be loaded
657 fields[TypeFunc::Parms+0] = Type::DOUBLE;
658 fields[TypeFunc::Parms+1] = Type::HALF;
659 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields);
660
661 // create result type (range)
662 fields = TypeTuple::fields(2);
663 fields[TypeFunc::Parms+0] = Type::DOUBLE;
664 fields[TypeFunc::Parms+1] = Type::HALF;
665 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+2, fields);
666
667 return TypeFunc::make(domain, range);
668 }
669
670 const TypeFunc *OptoRuntime::Math_Vector_Vector_Type(uint num_arg, const TypeVect* in_type, const TypeVect* out_type) {
671 // create input type (domain)
672 const Type **fields = TypeTuple::fields(num_arg);
673 // Symbol* name of class to be loaded
674 assert(num_arg > 0, "must have at least 1 input");
675 for (uint i = 0; i < num_arg; i++) {
676 fields[TypeFunc::Parms+i] = in_type;
677 }
678 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+num_arg, fields);
679
680 // create result type (range)
681 const uint num_ret = 1;
682 fields = TypeTuple::fields(num_ret);
683 fields[TypeFunc::Parms+0] = out_type;
684 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+num_ret, fields);
685
686 return TypeFunc::make(domain, range);
687 }
688
689 const TypeFunc* OptoRuntime::Math_DD_D_Type() {
690 const Type **fields = TypeTuple::fields(4);
691 fields[TypeFunc::Parms+0] = Type::DOUBLE;
692 fields[TypeFunc::Parms+1] = Type::HALF;
693 fields[TypeFunc::Parms+2] = Type::DOUBLE;
694 fields[TypeFunc::Parms+3] = Type::HALF;
695 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+4, fields);
696
697 // create result type (range)
698 fields = TypeTuple::fields(2);
699 fields[TypeFunc::Parms+0] = Type::DOUBLE;
700 fields[TypeFunc::Parms+1] = Type::HALF;
701 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+2, fields);
702
703 return TypeFunc::make(domain, range);
704 }
705
706 //-------------- currentTimeMillis, currentTimeNanos, etc
707
708 const TypeFunc* OptoRuntime::void_long_Type() {
709 // create input type (domain)
710 const Type **fields = TypeTuple::fields(0);
711 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+0, fields);
712
713 // create result type (range)
714 fields = TypeTuple::fields(2);
715 fields[TypeFunc::Parms+0] = TypeLong::LONG;
716 fields[TypeFunc::Parms+1] = Type::HALF;
717 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+2, fields);
718
719 return TypeFunc::make(domain, range);
720 }
721
722 const TypeFunc* OptoRuntime::void_void_Type() {
723 // create input type (domain)
724 const Type **fields = TypeTuple::fields(0);
725 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+0, fields);
726
727 // create result type (range)
728 fields = TypeTuple::fields(0);
729 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields);
730 return TypeFunc::make(domain, range);
731 }
732
733 const TypeFunc* OptoRuntime::jfr_write_checkpoint_Type() {
734 // create input type (domain)
735 const Type **fields = TypeTuple::fields(0);
736 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms, fields);
737
738 // create result type (range)
739 fields = TypeTuple::fields(0);
740 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields);
741 return TypeFunc::make(domain, range);
742 }
743
744
745 // arraycopy stub variations:
746 enum ArrayCopyType {
747 ac_fast, // void(ptr, ptr, size_t)
748 ac_checkcast, // int(ptr, ptr, size_t, size_t, ptr)
749 ac_slow, // void(ptr, int, ptr, int, int)
750 ac_generic // int(ptr, int, ptr, int, int)
751 };
752
753 static const TypeFunc* make_arraycopy_Type(ArrayCopyType act) {
754 // create input type (domain)
755 int num_args = (act == ac_fast ? 3 : 5);
756 int num_size_args = (act == ac_fast ? 1 : act == ac_checkcast ? 2 : 0);
757 int argcnt = num_args;
758 LP64_ONLY(argcnt += num_size_args); // halfwords for lengths
759 const Type** fields = TypeTuple::fields(argcnt);
760 int argp = TypeFunc::Parms;
761 fields[argp++] = TypePtr::NOTNULL; // src
762 if (num_size_args == 0) {
763 fields[argp++] = TypeInt::INT; // src_pos
764 }
765 fields[argp++] = TypePtr::NOTNULL; // dest
766 if (num_size_args == 0) {
767 fields[argp++] = TypeInt::INT; // dest_pos
768 fields[argp++] = TypeInt::INT; // length
769 }
770 while (num_size_args-- > 0) {
771 fields[argp++] = TypeX_X; // size in whatevers (size_t)
772 LP64_ONLY(fields[argp++] = Type::HALF); // other half of long length
773 }
774 if (act == ac_checkcast) {
775 fields[argp++] = TypePtr::NOTNULL; // super_klass
776 }
777 assert(argp == TypeFunc::Parms+argcnt, "correct decoding of act");
778 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
779
780 // create result type if needed
781 int retcnt = (act == ac_checkcast || act == ac_generic ? 1 : 0);
782 fields = TypeTuple::fields(1);
783 if (retcnt == 0)
784 fields[TypeFunc::Parms+0] = NULL; // void
785 else
786 fields[TypeFunc::Parms+0] = TypeInt::INT; // status result, if needed
787 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+retcnt, fields);
788 return TypeFunc::make(domain, range);
789 }
790
791 const TypeFunc* OptoRuntime::fast_arraycopy_Type() {
792 // This signature is simple: Two base pointers and a size_t.
793 return make_arraycopy_Type(ac_fast);
794 }
795
796 const TypeFunc* OptoRuntime::checkcast_arraycopy_Type() {
797 // An extension of fast_arraycopy_Type which adds type checking.
798 return make_arraycopy_Type(ac_checkcast);
799 }
800
801 const TypeFunc* OptoRuntime::slow_arraycopy_Type() {
802 // This signature is exactly the same as System.arraycopy.
803 // There are no intptr_t (int/long) arguments.
804 return make_arraycopy_Type(ac_slow);
805 }
806
807 const TypeFunc* OptoRuntime::generic_arraycopy_Type() {
808 // This signature is like System.arraycopy, except that it returns status.
809 return make_arraycopy_Type(ac_generic);
810 }
811
812
813 const TypeFunc* OptoRuntime::array_fill_Type() {
814 const Type** fields;
815 int argp = TypeFunc::Parms;
816 // create input type (domain): pointer, int, size_t
817 fields = TypeTuple::fields(3 LP64_ONLY( + 1));
818 fields[argp++] = TypePtr::NOTNULL;
819 fields[argp++] = TypeInt::INT;
820 fields[argp++] = TypeX_X; // size in whatevers (size_t)
821 LP64_ONLY(fields[argp++] = Type::HALF); // other half of long length
822 const TypeTuple *domain = TypeTuple::make(argp, fields);
823
824 // create result type
825 fields = TypeTuple::fields(1);
826 fields[TypeFunc::Parms+0] = NULL; // void
827 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields);
828
829 return TypeFunc::make(domain, range);
830 }
831
832 // for aescrypt encrypt/decrypt operations, just three pointers returning void (length is constant)
833 const TypeFunc* OptoRuntime::aescrypt_block_Type() {
834 // create input type (domain)
835 int num_args = 3;
836 int argcnt = num_args;
837 const Type** fields = TypeTuple::fields(argcnt);
838 int argp = TypeFunc::Parms;
839 fields[argp++] = TypePtr::NOTNULL; // src
840 fields[argp++] = TypePtr::NOTNULL; // dest
841 fields[argp++] = TypePtr::NOTNULL; // k array
842 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
843 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
844
845 // no result type needed
846 fields = TypeTuple::fields(1);
847 fields[TypeFunc::Parms+0] = NULL; // void
848 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields);
849 return TypeFunc::make(domain, range);
850 }
851
852 /**
853 * int updateBytesCRC32(int crc, byte* b, int len)
854 */
855 const TypeFunc* OptoRuntime::updateBytesCRC32_Type() {
856 // create input type (domain)
857 int num_args = 3;
858 int argcnt = num_args;
859 const Type** fields = TypeTuple::fields(argcnt);
860 int argp = TypeFunc::Parms;
861 fields[argp++] = TypeInt::INT; // crc
862 fields[argp++] = TypePtr::NOTNULL; // src
863 fields[argp++] = TypeInt::INT; // len
864 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
865 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
866
867 // result type needed
868 fields = TypeTuple::fields(1);
869 fields[TypeFunc::Parms+0] = TypeInt::INT; // crc result
870 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+1, fields);
871 return TypeFunc::make(domain, range);
872 }
873
874 /**
875 * int updateBytesCRC32C(int crc, byte* buf, int len, int* table)
876 */
877 const TypeFunc* OptoRuntime::updateBytesCRC32C_Type() {
878 // create input type (domain)
879 int num_args = 4;
880 int argcnt = num_args;
881 const Type** fields = TypeTuple::fields(argcnt);
882 int argp = TypeFunc::Parms;
883 fields[argp++] = TypeInt::INT; // crc
884 fields[argp++] = TypePtr::NOTNULL; // buf
885 fields[argp++] = TypeInt::INT; // len
886 fields[argp++] = TypePtr::NOTNULL; // table
887 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
888 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
889
890 // result type needed
891 fields = TypeTuple::fields(1);
892 fields[TypeFunc::Parms+0] = TypeInt::INT; // crc result
893 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+1, fields);
894 return TypeFunc::make(domain, range);
895 }
896
897 /**
898 * int updateBytesAdler32(int adler, bytes* b, int off, int len)
899 */
900 const TypeFunc* OptoRuntime::updateBytesAdler32_Type() {
901 // create input type (domain)
902 int num_args = 3;
903 int argcnt = num_args;
904 const Type** fields = TypeTuple::fields(argcnt);
905 int argp = TypeFunc::Parms;
906 fields[argp++] = TypeInt::INT; // crc
907 fields[argp++] = TypePtr::NOTNULL; // src + offset
908 fields[argp++] = TypeInt::INT; // len
909 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
910 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
911
912 // result type needed
913 fields = TypeTuple::fields(1);
914 fields[TypeFunc::Parms+0] = TypeInt::INT; // crc result
915 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+1, fields);
916 return TypeFunc::make(domain, range);
917 }
918
919 // for cipherBlockChaining calls of aescrypt encrypt/decrypt, four pointers and a length, returning int
920 const TypeFunc* OptoRuntime::cipherBlockChaining_aescrypt_Type() {
921 // create input type (domain)
922 int num_args = 5;
923 int argcnt = num_args;
924 const Type** fields = TypeTuple::fields(argcnt);
925 int argp = TypeFunc::Parms;
926 fields[argp++] = TypePtr::NOTNULL; // src
927 fields[argp++] = TypePtr::NOTNULL; // dest
928 fields[argp++] = TypePtr::NOTNULL; // k array
929 fields[argp++] = TypePtr::NOTNULL; // r array
930 fields[argp++] = TypeInt::INT; // src len
931 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
932 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
933
934 // returning cipher len (int)
935 fields = TypeTuple::fields(1);
936 fields[TypeFunc::Parms+0] = TypeInt::INT;
937 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+1, fields);
938 return TypeFunc::make(domain, range);
939 }
940
941 // for electronicCodeBook calls of aescrypt encrypt/decrypt, three pointers and a length, returning int
942 const TypeFunc* OptoRuntime::electronicCodeBook_aescrypt_Type() {
943 // create input type (domain)
944 int num_args = 4;
945 int argcnt = num_args;
946 const Type** fields = TypeTuple::fields(argcnt);
947 int argp = TypeFunc::Parms;
948 fields[argp++] = TypePtr::NOTNULL; // src
949 fields[argp++] = TypePtr::NOTNULL; // dest
950 fields[argp++] = TypePtr::NOTNULL; // k array
951 fields[argp++] = TypeInt::INT; // src len
952 assert(argp == TypeFunc::Parms + argcnt, "correct decoding");
953 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms + argcnt, fields);
954
955 // returning cipher len (int)
956 fields = TypeTuple::fields(1);
957 fields[TypeFunc::Parms + 0] = TypeInt::INT;
958 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms + 1, fields);
959 return TypeFunc::make(domain, range);
960 }
961
962 //for counterMode calls of aescrypt encrypt/decrypt, four pointers and a length, returning int
963 const TypeFunc* OptoRuntime::counterMode_aescrypt_Type() {
964 // create input type (domain)
965 int num_args = 7;
966 int argcnt = num_args;
967 const Type** fields = TypeTuple::fields(argcnt);
968 int argp = TypeFunc::Parms;
969 fields[argp++] = TypePtr::NOTNULL; // src
970 fields[argp++] = TypePtr::NOTNULL; // dest
971 fields[argp++] = TypePtr::NOTNULL; // k array
972 fields[argp++] = TypePtr::NOTNULL; // counter array
973 fields[argp++] = TypeInt::INT; // src len
974 fields[argp++] = TypePtr::NOTNULL; // saved_encCounter
975 fields[argp++] = TypePtr::NOTNULL; // saved used addr
976 assert(argp == TypeFunc::Parms + argcnt, "correct decoding");
977 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms + argcnt, fields);
978 // returning cipher len (int)
979 fields = TypeTuple::fields(1);
980 fields[TypeFunc::Parms + 0] = TypeInt::INT;
981 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms + 1, fields);
982 return TypeFunc::make(domain, range);
983 }
984
985 //for counterMode calls of aescrypt encrypt/decrypt, four pointers and a length, returning int
986 const TypeFunc* OptoRuntime::galoisCounterMode_aescrypt_Type() {
987 // create input type (domain)
988 int num_args = 8;
989 int argcnt = num_args;
990 const Type** fields = TypeTuple::fields(argcnt);
991 int argp = TypeFunc::Parms;
992 fields[argp++] = TypePtr::NOTNULL; // byte[] in + inOfs
993 fields[argp++] = TypeInt::INT; // int len
994 fields[argp++] = TypePtr::NOTNULL; // byte[] ct + ctOfs
995 fields[argp++] = TypePtr::NOTNULL; // byte[] out + outOfs
996 fields[argp++] = TypePtr::NOTNULL; // byte[] key from AESCrypt obj
997 fields[argp++] = TypePtr::NOTNULL; // long[] state from GHASH obj
998 fields[argp++] = TypePtr::NOTNULL; // long[] subkeyHtbl from GHASH obj
999 fields[argp++] = TypePtr::NOTNULL; // byte[] counter from GCTR obj
1000
1001 assert(argp == TypeFunc::Parms + argcnt, "correct decoding");
1002 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms + argcnt, fields);
1003 // returning cipher len (int)
1004 fields = TypeTuple::fields(1);
1005 fields[TypeFunc::Parms + 0] = TypeInt::INT;
1006 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms + 1, fields);
1007 return TypeFunc::make(domain, range);
1008 }
1009
1010 /*
1011 * void implCompress(byte[] buf, int ofs)
1012 */
1013 const TypeFunc* OptoRuntime::digestBase_implCompress_Type(bool is_sha3) {
1014 // create input type (domain)
1015 int num_args = is_sha3 ? 3 : 2;
1016 int argcnt = num_args;
1017 const Type** fields = TypeTuple::fields(argcnt);
1018 int argp = TypeFunc::Parms;
1019 fields[argp++] = TypePtr::NOTNULL; // buf
1020 fields[argp++] = TypePtr::NOTNULL; // state
1021 if (is_sha3) fields[argp++] = TypeInt::INT; // block_size
1022 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
1023 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
1024
1025 // no result type needed
1026 fields = TypeTuple::fields(1);
1027 fields[TypeFunc::Parms+0] = NULL; // void
1028 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields);
1029 return TypeFunc::make(domain, range);
1030 }
1031
1032 /*
1033 * int implCompressMultiBlock(byte[] b, int ofs, int limit)
1034 */
1035 const TypeFunc* OptoRuntime::digestBase_implCompressMB_Type(bool is_sha3) {
1036 // create input type (domain)
1037 int num_args = is_sha3 ? 5 : 4;
1038 int argcnt = num_args;
1039 const Type** fields = TypeTuple::fields(argcnt);
1040 int argp = TypeFunc::Parms;
1041 fields[argp++] = TypePtr::NOTNULL; // buf
1042 fields[argp++] = TypePtr::NOTNULL; // state
1043 if (is_sha3) fields[argp++] = TypeInt::INT; // block_size
1044 fields[argp++] = TypeInt::INT; // ofs
1045 fields[argp++] = TypeInt::INT; // limit
1046 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
1047 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
1048
1049 // returning ofs (int)
1050 fields = TypeTuple::fields(1);
1051 fields[TypeFunc::Parms+0] = TypeInt::INT; // ofs
1052 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+1, fields);
1053 return TypeFunc::make(domain, range);
1054 }
1055
1056 const TypeFunc* OptoRuntime::multiplyToLen_Type() {
1057 // create input type (domain)
1058 int num_args = 6;
1059 int argcnt = num_args;
1060 const Type** fields = TypeTuple::fields(argcnt);
1061 int argp = TypeFunc::Parms;
1062 fields[argp++] = TypePtr::NOTNULL; // x
1063 fields[argp++] = TypeInt::INT; // xlen
1064 fields[argp++] = TypePtr::NOTNULL; // y
1065 fields[argp++] = TypeInt::INT; // ylen
1066 fields[argp++] = TypePtr::NOTNULL; // z
1067 fields[argp++] = TypeInt::INT; // zlen
1068 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
1069 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
1070
1071 // no result type needed
1072 fields = TypeTuple::fields(1);
1073 fields[TypeFunc::Parms+0] = NULL;
1074 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields);
1075 return TypeFunc::make(domain, range);
1076 }
1077
1078 const TypeFunc* OptoRuntime::squareToLen_Type() {
1079 // create input type (domain)
1080 int num_args = 4;
1081 int argcnt = num_args;
1082 const Type** fields = TypeTuple::fields(argcnt);
1083 int argp = TypeFunc::Parms;
1084 fields[argp++] = TypePtr::NOTNULL; // x
1085 fields[argp++] = TypeInt::INT; // len
1086 fields[argp++] = TypePtr::NOTNULL; // z
1087 fields[argp++] = TypeInt::INT; // zlen
1088 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
1089 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
1090
1091 // no result type needed
1092 fields = TypeTuple::fields(1);
1093 fields[TypeFunc::Parms+0] = NULL;
1094 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields);
1095 return TypeFunc::make(domain, range);
1096 }
1097
1098 // for mulAdd calls, 2 pointers and 3 ints, returning int
1099 const TypeFunc* OptoRuntime::mulAdd_Type() {
1100 // create input type (domain)
1101 int num_args = 5;
1102 int argcnt = num_args;
1103 const Type** fields = TypeTuple::fields(argcnt);
1104 int argp = TypeFunc::Parms;
1105 fields[argp++] = TypePtr::NOTNULL; // out
1106 fields[argp++] = TypePtr::NOTNULL; // in
1107 fields[argp++] = TypeInt::INT; // offset
1108 fields[argp++] = TypeInt::INT; // len
1109 fields[argp++] = TypeInt::INT; // k
1110 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
1111 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
1112
1113 // returning carry (int)
1114 fields = TypeTuple::fields(1);
1115 fields[TypeFunc::Parms+0] = TypeInt::INT;
1116 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+1, fields);
1117 return TypeFunc::make(domain, range);
1118 }
1119
1120 const TypeFunc* OptoRuntime::montgomeryMultiply_Type() {
1121 // create input type (domain)
1122 int num_args = 7;
1123 int argcnt = num_args;
1124 const Type** fields = TypeTuple::fields(argcnt);
1125 int argp = TypeFunc::Parms;
1126 fields[argp++] = TypePtr::NOTNULL; // a
1127 fields[argp++] = TypePtr::NOTNULL; // b
1128 fields[argp++] = TypePtr::NOTNULL; // n
1129 fields[argp++] = TypeInt::INT; // len
1130 fields[argp++] = TypeLong::LONG; // inv
1131 fields[argp++] = Type::HALF;
1132 fields[argp++] = TypePtr::NOTNULL; // result
1133 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
1134 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
1135
1136 // result type needed
1137 fields = TypeTuple::fields(1);
1138 fields[TypeFunc::Parms+0] = TypePtr::NOTNULL;
1139
1140 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields);
1141 return TypeFunc::make(domain, range);
1142 }
1143
1144 const TypeFunc* OptoRuntime::montgomerySquare_Type() {
1145 // create input type (domain)
1146 int num_args = 6;
1147 int argcnt = num_args;
1148 const Type** fields = TypeTuple::fields(argcnt);
1149 int argp = TypeFunc::Parms;
1150 fields[argp++] = TypePtr::NOTNULL; // a
1151 fields[argp++] = TypePtr::NOTNULL; // n
1152 fields[argp++] = TypeInt::INT; // len
1153 fields[argp++] = TypeLong::LONG; // inv
1154 fields[argp++] = Type::HALF;
1155 fields[argp++] = TypePtr::NOTNULL; // result
1156 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
1157 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
1158
1159 // result type needed
1160 fields = TypeTuple::fields(1);
1161 fields[TypeFunc::Parms+0] = TypePtr::NOTNULL;
1162
1163 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields);
1164 return TypeFunc::make(domain, range);
1165 }
1166
1167 const TypeFunc * OptoRuntime::bigIntegerShift_Type() {
1168 int argcnt = 5;
1169 const Type** fields = TypeTuple::fields(argcnt);
1170 int argp = TypeFunc::Parms;
1171 fields[argp++] = TypePtr::NOTNULL; // newArr
1172 fields[argp++] = TypePtr::NOTNULL; // oldArr
1173 fields[argp++] = TypeInt::INT; // newIdx
1174 fields[argp++] = TypeInt::INT; // shiftCount
1175 fields[argp++] = TypeInt::INT; // numIter
1176 assert(argp == TypeFunc::Parms + argcnt, "correct decoding");
1177 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms + argcnt, fields);
1178
1179 // no result type needed
1180 fields = TypeTuple::fields(1);
1181 fields[TypeFunc::Parms + 0] = NULL;
1182 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields);
1183 return TypeFunc::make(domain, range);
1184 }
1185
1186 const TypeFunc* OptoRuntime::vectorizedMismatch_Type() {
1187 // create input type (domain)
1188 int num_args = 4;
1189 int argcnt = num_args;
1190 const Type** fields = TypeTuple::fields(argcnt);
1191 int argp = TypeFunc::Parms;
1192 fields[argp++] = TypePtr::NOTNULL; // obja
1193 fields[argp++] = TypePtr::NOTNULL; // objb
1194 fields[argp++] = TypeInt::INT; // length, number of elements
1195 fields[argp++] = TypeInt::INT; // log2scale, element size
1196 assert(argp == TypeFunc::Parms + argcnt, "correct decoding");
1197 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms + argcnt, fields);
1198
1199 //return mismatch index (int)
1200 fields = TypeTuple::fields(1);
1201 fields[TypeFunc::Parms + 0] = TypeInt::INT;
1202 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms + 1, fields);
1203 return TypeFunc::make(domain, range);
1204 }
1205
1206 // GHASH block processing
1207 const TypeFunc* OptoRuntime::ghash_processBlocks_Type() {
1208 int argcnt = 4;
1209
1210 const Type** fields = TypeTuple::fields(argcnt);
1211 int argp = TypeFunc::Parms;
1212 fields[argp++] = TypePtr::NOTNULL; // state
1213 fields[argp++] = TypePtr::NOTNULL; // subkeyH
1214 fields[argp++] = TypePtr::NOTNULL; // data
1215 fields[argp++] = TypeInt::INT; // blocks
1216 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
1217 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
1218
1219 // result type needed
1220 fields = TypeTuple::fields(1);
1221 fields[TypeFunc::Parms+0] = NULL; // void
1222 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields);
1223 return TypeFunc::make(domain, range);
1224 }
1225
1226 // ChaCha20 Block function
1227 const TypeFunc* OptoRuntime::chacha20Block_Type() {
1228 int argcnt = 2;
1229
1230 const Type** fields = TypeTuple::fields(argcnt);
1231 int argp = TypeFunc::Parms;
1232 fields[argp++] = TypePtr::NOTNULL; // state
1233 fields[argp++] = TypePtr::NOTNULL; // result
1234
1235 assert(argp == TypeFunc::Parms + argcnt, "correct decoding");
1236 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms + argcnt, fields);
1237
1238 // result type needed
1239 fields = TypeTuple::fields(1);
1240 fields[TypeFunc::Parms + 0] = TypeInt::INT; // key stream outlen as int
1241 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms + 1, fields);
1242 return TypeFunc::make(domain, range);
1243 }
1244
1245 // Base64 encode function
1246 const TypeFunc* OptoRuntime::base64_encodeBlock_Type() {
1247 int argcnt = 6;
1248
1249 const Type** fields = TypeTuple::fields(argcnt);
1250 int argp = TypeFunc::Parms;
1251 fields[argp++] = TypePtr::NOTNULL; // src array
1252 fields[argp++] = TypeInt::INT; // offset
1253 fields[argp++] = TypeInt::INT; // length
1254 fields[argp++] = TypePtr::NOTNULL; // dest array
1255 fields[argp++] = TypeInt::INT; // dp
1256 fields[argp++] = TypeInt::BOOL; // isURL
1257 assert(argp == TypeFunc::Parms + argcnt, "correct decoding");
1258 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
1259
1260 // result type needed
1261 fields = TypeTuple::fields(1);
1262 fields[TypeFunc::Parms + 0] = NULL; // void
1263 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields);
1264 return TypeFunc::make(domain, range);
1265 }
1266 // Base64 decode function
1267 const TypeFunc* OptoRuntime::base64_decodeBlock_Type() {
1268 int argcnt = 7;
1269
1270 const Type** fields = TypeTuple::fields(argcnt);
1271 int argp = TypeFunc::Parms;
1272 fields[argp++] = TypePtr::NOTNULL; // src array
1273 fields[argp++] = TypeInt::INT; // src offset
1274 fields[argp++] = TypeInt::INT; // src length
1275 fields[argp++] = TypePtr::NOTNULL; // dest array
1276 fields[argp++] = TypeInt::INT; // dest offset
1277 fields[argp++] = TypeInt::BOOL; // isURL
1278 fields[argp++] = TypeInt::BOOL; // isMIME
1279 assert(argp == TypeFunc::Parms + argcnt, "correct decoding");
1280 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
1281
1282 // result type needed
1283 fields = TypeTuple::fields(1);
1284 fields[TypeFunc::Parms + 0] = TypeInt::INT; // count of bytes written to dst
1285 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms + 1, fields);
1286 return TypeFunc::make(domain, range);
1287 }
1288
1289 // Poly1305 processMultipleBlocks function
1290 const TypeFunc* OptoRuntime::poly1305_processBlocks_Type() {
1291 int argcnt = 4;
1292
1293 const Type** fields = TypeTuple::fields(argcnt);
1294 int argp = TypeFunc::Parms;
1295 fields[argp++] = TypePtr::NOTNULL; // input array
1296 fields[argp++] = TypeInt::INT; // input length
1297 fields[argp++] = TypePtr::NOTNULL; // accumulator array
1298 fields[argp++] = TypePtr::NOTNULL; // r array
1299 assert(argp == TypeFunc::Parms + argcnt, "correct decoding");
1300 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
1301
1302 // result type needed
1303 fields = TypeTuple::fields(1);
1304 fields[TypeFunc::Parms + 0] = NULL; // void
1305 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields);
1306 return TypeFunc::make(domain, range);
1307 }
1308
1309 //------------- Interpreter state access for on stack replacement
1310 const TypeFunc* OptoRuntime::osr_end_Type() {
1311 // create input type (domain)
1312 const Type **fields = TypeTuple::fields(1);
1313 fields[TypeFunc::Parms+0] = TypeRawPtr::BOTTOM; // OSR temp buf
1314 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields);
1315
1316 // create result type
1317 fields = TypeTuple::fields(1);
1318 // fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // locked oop
1319 fields[TypeFunc::Parms+0] = NULL; // void
1320 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields);
1321 return TypeFunc::make(domain, range);
1322 }
1323
1324 //-------------------------------------------------------------------------------------
1325 // register policy
1326
1327 bool OptoRuntime::is_callee_saved_register(MachRegisterNumbers reg) {
1328 assert(reg >= 0 && reg < _last_Mach_Reg, "must be a machine register");
1329 switch (register_save_policy[reg]) {
1330 case 'C': return false; //SOC
1331 case 'E': return true ; //SOE
1332 case 'N': return false; //NS
1333 case 'A': return false; //AS
1334 }
1335 ShouldNotReachHere();
1336 return false;
1337 }
1338
1339 //-----------------------------------------------------------------------
1340 // Exceptions
1341 //
1342
1343 static void trace_exception(outputStream* st, oop exception_oop, address exception_pc, const char* msg);
1344
1345 // The method is an entry that is always called by a C++ method not
1346 // directly from compiled code. Compiled code will call the C++ method following.
1347 // We can't allow async exception to be installed during exception processing.
1348 JRT_ENTRY_NO_ASYNC(address, OptoRuntime::handle_exception_C_helper(JavaThread* current, nmethod* &nm))
1349 // The frame we rethrow the exception to might not have been processed by the GC yet.
1350 // The stack watermark barrier takes care of detecting that and ensuring the frame
1351 // has updated oops.
1352 StackWatermarkSet::after_unwind(current);
1353
1354 // Do not confuse exception_oop with pending_exception. The exception_oop
1355 // is only used to pass arguments into the method. Not for general
1356 // exception handling. DO NOT CHANGE IT to use pending_exception, since
1357 // the runtime stubs checks this on exit.
1358 assert(current->exception_oop() != NULL, "exception oop is found");
1359 address handler_address = NULL;
1360
1361 Handle exception(current, current->exception_oop());
1362 address pc = current->exception_pc();
1363
1364 // Clear out the exception oop and pc since looking up an
1365 // exception handler can cause class loading, which might throw an
1366 // exception and those fields are expected to be clear during
1367 // normal bytecode execution.
1368 current->clear_exception_oop_and_pc();
1369
1370 LogTarget(Info, exceptions) lt;
1371 if (lt.is_enabled()) {
1372 ResourceMark rm;
1373 LogStream ls(lt);
1374 trace_exception(&ls, exception(), pc, "");
1375 }
1376
1377 // for AbortVMOnException flag
1378 Exceptions::debug_check_abort(exception);
1379
1380 #ifdef ASSERT
1381 if (!(exception->is_a(vmClasses::Throwable_klass()))) {
1382 // should throw an exception here
1383 ShouldNotReachHere();
1384 }
1385 #endif
1386
1387 // new exception handling: this method is entered only from adapters
1388 // exceptions from compiled java methods are handled in compiled code
1389 // using rethrow node
1390
1391 nm = CodeCache::find_nmethod(pc);
1392 assert(nm != NULL, "No NMethod found");
1393 if (nm->is_native_method()) {
1394 fatal("Native method should not have path to exception handling");
1395 } else {
1396 // we are switching to old paradigm: search for exception handler in caller_frame
1397 // instead in exception handler of caller_frame.sender()
1398
1399 if (JvmtiExport::can_post_on_exceptions()) {
1400 // "Full-speed catching" is not necessary here,
1401 // since we're notifying the VM on every catch.
1402 // Force deoptimization and the rest of the lookup
1403 // will be fine.
1404 deoptimize_caller_frame(current);
1405 }
1406
1407 // Check the stack guard pages. If enabled, look for handler in this frame;
1408 // otherwise, forcibly unwind the frame.
1409 //
1410 // 4826555: use default current sp for reguard_stack instead of &nm: it's more accurate.
1411 bool force_unwind = !current->stack_overflow_state()->reguard_stack();
1412 bool deopting = false;
1413 if (nm->is_deopt_pc(pc)) {
1414 deopting = true;
1415 RegisterMap map(current,
1416 RegisterMap::UpdateMap::skip,
1417 RegisterMap::ProcessFrames::include,
1418 RegisterMap::WalkContinuation::skip);
1419 frame deoptee = current->last_frame().sender(&map);
1420 assert(deoptee.is_deoptimized_frame(), "must be deopted");
1421 // Adjust the pc back to the original throwing pc
1422 pc = deoptee.pc();
1423 }
1424
1425 // If we are forcing an unwind because of stack overflow then deopt is
1426 // irrelevant since we are throwing the frame away anyway.
1427
1428 if (deopting && !force_unwind) {
1429 handler_address = SharedRuntime::deopt_blob()->unpack_with_exception();
1430 } else {
1431
1432 handler_address =
1433 force_unwind ? NULL : nm->handler_for_exception_and_pc(exception, pc);
1434
1435 if (handler_address == NULL) {
1436 bool recursive_exception = false;
1437 handler_address = SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, force_unwind, true, recursive_exception);
1438 assert (handler_address != NULL, "must have compiled handler");
1439 // Update the exception cache only when the unwind was not forced
1440 // and there didn't happen another exception during the computation of the
1441 // compiled exception handler. Checking for exception oop equality is not
1442 // sufficient because some exceptions are pre-allocated and reused.
1443 if (!force_unwind && !recursive_exception) {
1444 nm->add_handler_for_exception_and_pc(exception,pc,handler_address);
1445 }
1446 } else {
1447 #ifdef ASSERT
1448 bool recursive_exception = false;
1449 address computed_address = SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, force_unwind, true, recursive_exception);
1450 vmassert(recursive_exception || (handler_address == computed_address), "Handler address inconsistency: " PTR_FORMAT " != " PTR_FORMAT,
1451 p2i(handler_address), p2i(computed_address));
1452 #endif
1453 }
1454 }
1455
1456 current->set_exception_pc(pc);
1457 current->set_exception_handler_pc(handler_address);
1458
1459 // Check if the exception PC is a MethodHandle call site.
1460 current->set_is_method_handle_return(nm->is_method_handle_return(pc));
1461 }
1462
1463 // Restore correct return pc. Was saved above.
1464 current->set_exception_oop(exception());
1465 return handler_address;
1466
1467 JRT_END
1468
1469 // We are entering here from exception_blob
1470 // If there is a compiled exception handler in this method, we will continue there;
1471 // otherwise we will unwind the stack and continue at the caller of top frame method
1472 // Note we enter without the usual JRT wrapper. We will call a helper routine that
1473 // will do the normal VM entry. We do it this way so that we can see if the nmethod
1474 // we looked up the handler for has been deoptimized in the meantime. If it has been
1475 // we must not use the handler and instead return the deopt blob.
1476 address OptoRuntime::handle_exception_C(JavaThread* current) {
1477 //
1478 // We are in Java not VM and in debug mode we have a NoHandleMark
1479 //
1480 #ifndef PRODUCT
1481 SharedRuntime::_find_handler_ctr++; // find exception handler
1482 #endif
1483 debug_only(NoHandleMark __hm;)
1484 nmethod* nm = NULL;
1485 address handler_address = NULL;
1486 {
1487 // Enter the VM
1488
1489 ResetNoHandleMark rnhm;
1490 handler_address = handle_exception_C_helper(current, nm);
1491 }
1492
1493 // Back in java: Use no oops, DON'T safepoint
1494
1495 // Now check to see if the handler we are returning is in a now
1496 // deoptimized frame
1497
1498 if (nm != NULL) {
1499 RegisterMap map(current,
1500 RegisterMap::UpdateMap::skip,
1501 RegisterMap::ProcessFrames::skip,
1502 RegisterMap::WalkContinuation::skip);
1503 frame caller = current->last_frame().sender(&map);
1504 #ifdef ASSERT
1505 assert(caller.is_compiled_frame(), "must be");
1506 #endif // ASSERT
1507 if (caller.is_deoptimized_frame()) {
1508 handler_address = SharedRuntime::deopt_blob()->unpack_with_exception();
1509 }
1510 }
1511 return handler_address;
1512 }
1513
1514 //------------------------------rethrow----------------------------------------
1515 // We get here after compiled code has executed a 'RethrowNode'. The callee
1516 // is either throwing or rethrowing an exception. The callee-save registers
1517 // have been restored, synchronized objects have been unlocked and the callee
1518 // stack frame has been removed. The return address was passed in.
1519 // Exception oop is passed as the 1st argument. This routine is then called
1520 // from the stub. On exit, we know where to jump in the caller's code.
1521 // After this C code exits, the stub will pop his frame and end in a jump
1522 // (instead of a return). We enter the caller's default handler.
1523 //
1524 // This must be JRT_LEAF:
1525 // - caller will not change its state as we cannot block on exit,
1526 // therefore raw_exception_handler_for_return_address is all it takes
1527 // to handle deoptimized blobs
1528 //
1529 // However, there needs to be a safepoint check in the middle! So compiled
1530 // safepoints are completely watertight.
1531 //
1532 // Thus, it cannot be a leaf since it contains the NoSafepointVerifier.
1533 //
1534 // *THIS IS NOT RECOMMENDED PROGRAMMING STYLE*
1535 //
1536 address OptoRuntime::rethrow_C(oopDesc* exception, JavaThread* thread, address ret_pc) {
1537
1538 // Enable WXWrite: the function called directly by compiled code.
1539 MACOS_AARCH64_ONLY(ThreadWXEnable wx(WXWrite, thread));
1540
1541 // ret_pc will have been loaded from the stack, so for AArch64 will be signed.
1542 // This needs authenticating, but to do that here requires the fp of the previous frame.
1543 // A better way of doing it would be authenticate in the caller by adding a
1544 // AuthPAuthNode and using it in GraphKit::gen_stub. For now, just strip it.
1545 AARCH64_PORT_ONLY(ret_pc = pauth_strip_pointer(ret_pc));
1546
1547 #ifndef PRODUCT
1548 SharedRuntime::_rethrow_ctr++; // count rethrows
1549 #endif
1550 assert (exception != NULL, "should have thrown a NULLPointerException");
1551 #ifdef ASSERT
1552 if (!(exception->is_a(vmClasses::Throwable_klass()))) {
1553 // should throw an exception here
1554 ShouldNotReachHere();
1555 }
1556 #endif
1557
1558 thread->set_vm_result(exception);
1559 // Frame not compiled (handles deoptimization blob)
1560 return SharedRuntime::raw_exception_handler_for_return_address(thread, ret_pc);
1561 }
1562
1563
1564 const TypeFunc *OptoRuntime::rethrow_Type() {
1565 // create input type (domain)
1566 const Type **fields = TypeTuple::fields(1);
1567 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Exception oop
1568 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1,fields);
1569
1570 // create result type (range)
1571 fields = TypeTuple::fields(1);
1572 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Exception oop
1573 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields);
1574
1575 return TypeFunc::make(domain, range);
1576 }
1577
1578
1579 void OptoRuntime::deoptimize_caller_frame(JavaThread *thread, bool doit) {
1580 // Deoptimize the caller before continuing, as the compiled
1581 // exception handler table may not be valid.
1582 if (!StressCompiledExceptionHandlers && doit) {
1583 deoptimize_caller_frame(thread);
1584 }
1585 }
1586
1587 void OptoRuntime::deoptimize_caller_frame(JavaThread *thread) {
1588 // Called from within the owner thread, so no need for safepoint
1589 RegisterMap reg_map(thread,
1590 RegisterMap::UpdateMap::include,
1591 RegisterMap::ProcessFrames::include,
1592 RegisterMap::WalkContinuation::skip);
1593 frame stub_frame = thread->last_frame();
1594 assert(stub_frame.is_runtime_frame() || exception_blob()->contains(stub_frame.pc()), "sanity check");
1595 frame caller_frame = stub_frame.sender(®_map);
1596
1597 // Deoptimize the caller frame.
1598 Deoptimization::deoptimize_frame(thread, caller_frame.id());
1599 }
1600
1601
1602 bool OptoRuntime::is_deoptimized_caller_frame(JavaThread *thread) {
1603 // Called from within the owner thread, so no need for safepoint
1604 RegisterMap reg_map(thread,
1605 RegisterMap::UpdateMap::include,
1606 RegisterMap::ProcessFrames::include,
1607 RegisterMap::WalkContinuation::skip);
1608 frame stub_frame = thread->last_frame();
1609 assert(stub_frame.is_runtime_frame() || exception_blob()->contains(stub_frame.pc()), "sanity check");
1610 frame caller_frame = stub_frame.sender(®_map);
1611 return caller_frame.is_deoptimized_frame();
1612 }
1613
1614
1615 const TypeFunc *OptoRuntime::register_finalizer_Type() {
1616 // create input type (domain)
1617 const Type **fields = TypeTuple::fields(1);
1618 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // oop; Receiver
1619 // // The JavaThread* is passed to each routine as the last argument
1620 // fields[TypeFunc::Parms+1] = TypeRawPtr::NOTNULL; // JavaThread *; Executing thread
1621 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1,fields);
1622
1623 // create result type (range)
1624 fields = TypeTuple::fields(0);
1625
1626 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields);
1627
1628 return TypeFunc::make(domain,range);
1629 }
1630
1631 #if INCLUDE_JFR
1632 const TypeFunc *OptoRuntime::class_id_load_barrier_Type() {
1633 // create input type (domain)
1634 const Type **fields = TypeTuple::fields(1);
1635 fields[TypeFunc::Parms+0] = TypeInstPtr::KLASS;
1636 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms + 1, fields);
1637
1638 // create result type (range)
1639 fields = TypeTuple::fields(0);
1640
1641 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms + 0, fields);
1642
1643 return TypeFunc::make(domain,range);
1644 }
1645 #endif
1646
1647 //-----------------------------------------------------------------------------
1648 // Dtrace support. entry and exit probes have the same signature
1649 const TypeFunc *OptoRuntime::dtrace_method_entry_exit_Type() {
1650 // create input type (domain)
1651 const Type **fields = TypeTuple::fields(2);
1652 fields[TypeFunc::Parms+0] = TypeRawPtr::BOTTOM; // Thread-local storage
1653 fields[TypeFunc::Parms+1] = TypeMetadataPtr::BOTTOM; // Method*; Method we are entering
1654 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields);
1655
1656 // create result type (range)
1657 fields = TypeTuple::fields(0);
1658
1659 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields);
1660
1661 return TypeFunc::make(domain,range);
1662 }
1663
1664 const TypeFunc *OptoRuntime::dtrace_object_alloc_Type() {
1665 // create input type (domain)
1666 const Type **fields = TypeTuple::fields(2);
1667 fields[TypeFunc::Parms+0] = TypeRawPtr::BOTTOM; // Thread-local storage
1668 fields[TypeFunc::Parms+1] = TypeInstPtr::NOTNULL; // oop; newly allocated object
1669
1670 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields);
1671
1672 // create result type (range)
1673 fields = TypeTuple::fields(0);
1674
1675 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields);
1676
1677 return TypeFunc::make(domain,range);
1678 }
1679
1680
1681 JRT_ENTRY_NO_ASYNC(void, OptoRuntime::register_finalizer(oopDesc* obj, JavaThread* current))
1682 assert(oopDesc::is_oop(obj), "must be a valid oop");
1683 assert(obj->klass()->has_finalizer(), "shouldn't be here otherwise");
1684 InstanceKlass::register_finalizer(instanceOop(obj), CHECK);
1685 JRT_END
1686
1687 //-----------------------------------------------------------------------------
1688
1689 NamedCounter * volatile OptoRuntime::_named_counters = NULL;
1690
1691 //
1692 // dump the collected NamedCounters.
1693 //
1694 void OptoRuntime::print_named_counters() {
1695 int total_lock_count = 0;
1696 int eliminated_lock_count = 0;
1697
1698 NamedCounter* c = _named_counters;
1699 while (c) {
1700 if (c->tag() == NamedCounter::LockCounter || c->tag() == NamedCounter::EliminatedLockCounter) {
1701 int count = c->count();
1702 if (count > 0) {
1703 bool eliminated = c->tag() == NamedCounter::EliminatedLockCounter;
1704 if (Verbose) {
1705 tty->print_cr("%d %s%s", count, c->name(), eliminated ? " (eliminated)" : "");
1706 }
1707 total_lock_count += count;
1708 if (eliminated) {
1709 eliminated_lock_count += count;
1710 }
1711 }
1712 #if INCLUDE_RTM_OPT
1713 } else if (c->tag() == NamedCounter::RTMLockingCounter) {
1714 RTMLockingCounters* rlc = ((RTMLockingNamedCounter*)c)->counters();
1715 if (rlc->nonzero()) {
1716 tty->print_cr("%s", c->name());
1717 rlc->print_on(tty);
1718 }
1719 #endif
1720 }
1721 c = c->next();
1722 }
1723 if (total_lock_count > 0) {
1724 tty->print_cr("dynamic locks: %d", total_lock_count);
1725 if (eliminated_lock_count) {
1726 tty->print_cr("eliminated locks: %d (%d%%)", eliminated_lock_count,
1727 (int)(eliminated_lock_count * 100.0 / total_lock_count));
1728 }
1729 }
1730 }
1731
1732 //
1733 // Allocate a new NamedCounter. The JVMState is used to generate the
1734 // name which consists of method@line for the inlining tree.
1735 //
1736
1737 NamedCounter* OptoRuntime::new_named_counter(JVMState* youngest_jvms, NamedCounter::CounterTag tag) {
1738 int max_depth = youngest_jvms->depth();
1739
1740 // Visit scopes from youngest to oldest.
1741 bool first = true;
1742 stringStream st;
1743 for (int depth = max_depth; depth >= 1; depth--) {
1744 JVMState* jvms = youngest_jvms->of_depth(depth);
1745 ciMethod* m = jvms->has_method() ? jvms->method() : NULL;
1746 if (!first) {
1747 st.print(" ");
1748 } else {
1749 first = false;
1750 }
1751 int bci = jvms->bci();
1752 if (bci < 0) bci = 0;
1753 if (m != NULL) {
1754 st.print("%s.%s", m->holder()->name()->as_utf8(), m->name()->as_utf8());
1755 } else {
1756 st.print("no method");
1757 }
1758 st.print("@%d", bci);
1759 // To print linenumbers instead of bci use: m->line_number_from_bci(bci)
1760 }
1761 NamedCounter* c;
1762 if (tag == NamedCounter::RTMLockingCounter) {
1763 c = new RTMLockingNamedCounter(st.freeze());
1764 } else {
1765 c = new NamedCounter(st.freeze(), tag);
1766 }
1767
1768 // atomically add the new counter to the head of the list. We only
1769 // add counters so this is safe.
1770 NamedCounter* head;
1771 do {
1772 c->set_next(NULL);
1773 head = _named_counters;
1774 c->set_next(head);
1775 } while (Atomic::cmpxchg(&_named_counters, head, c) != head);
1776 return c;
1777 }
1778
1779 int trace_exception_counter = 0;
1780 static void trace_exception(outputStream* st, oop exception_oop, address exception_pc, const char* msg) {
1781 trace_exception_counter++;
1782 stringStream tempst;
1783
1784 tempst.print("%d [Exception (%s): ", trace_exception_counter, msg);
1785 exception_oop->print_value_on(&tempst);
1786 tempst.print(" in ");
1787 CodeBlob* blob = CodeCache::find_blob(exception_pc);
1788 if (blob->is_compiled()) {
1789 CompiledMethod* cm = blob->as_compiled_method_or_null();
1790 cm->method()->print_value_on(&tempst);
1791 } else if (blob->is_runtime_stub()) {
1792 tempst.print("<runtime-stub>");
1793 } else {
1794 tempst.print("<unknown>");
1795 }
1796 tempst.print(" at " INTPTR_FORMAT, p2i(exception_pc));
1797 tempst.print("]");
1798
1799 st->print_raw_cr(tempst.freeze());
1800 }