1 /*
2 * Copyright (c) 1998, 2020, 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/systemDictionary.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/oop.inline.hpp"
51 #include "oops/typeArrayOop.inline.hpp"
52 #include "opto/ad.hpp"
53 #include "opto/addnode.hpp"
54 #include "opto/callnode.hpp"
55 #include "opto/cfgnode.hpp"
56 #include "opto/graphKit.hpp"
57 #include "opto/machnode.hpp"
58 #include "opto/matcher.hpp"
59 #include "opto/memnode.hpp"
60 #include "opto/mulnode.hpp"
61 #include "opto/output.hpp"
62 #include "opto/runtime.hpp"
63 #include "opto/subnode.hpp"
64 #include "runtime/atomic.hpp"
65 #include "runtime/frame.inline.hpp"
66 #include "runtime/handles.inline.hpp"
67 #include "runtime/interfaceSupport.inline.hpp"
68 #include "runtime/javaCalls.hpp"
69 #include "runtime/sharedRuntime.hpp"
70 #include "runtime/signature.hpp"
71 #include "runtime/threadCritical.hpp"
72 #include "runtime/vframe.hpp"
73 #include "runtime/vframeArray.hpp"
74 #include "runtime/vframe_hp.hpp"
75 #include "utilities/copy.hpp"
76 #include "utilities/preserveException.hpp"
77
78
79 // For debugging purposes:
80 // To force FullGCALot inside a runtime function, add the following two lines
81 //
82 // Universe::release_fullgc_alot_dummy();
83 // MarkSweep::invoke(0, "Debugging");
84 //
85 // At command line specify the parameters: -XX:+FullGCALot -XX:FullGCALotStart=100000000
86
87
88
89
90 // Compiled code entry points
91 address OptoRuntime::_new_instance_Java = NULL;
92 address OptoRuntime::_new_array_Java = NULL;
93 address OptoRuntime::_new_array_nozero_Java = NULL;
94 address OptoRuntime::_multianewarray2_Java = NULL;
95 address OptoRuntime::_multianewarray3_Java = NULL;
96 address OptoRuntime::_multianewarray4_Java = NULL;
97 address OptoRuntime::_multianewarray5_Java = NULL;
98 address OptoRuntime::_multianewarrayN_Java = NULL;
99 address OptoRuntime::_vtable_must_compile_Java = NULL;
100 address OptoRuntime::_complete_monitor_locking_Java = NULL;
101 address OptoRuntime::_monitor_notify_Java = NULL;
102 address OptoRuntime::_monitor_notifyAll_Java = NULL;
103 address OptoRuntime::_rethrow_Java = NULL;
104
105 address OptoRuntime::_slow_arraycopy_Java = NULL;
106 address OptoRuntime::_register_finalizer_Java = NULL;
107
108 ExceptionBlob* OptoRuntime::_exception_blob;
109
110 // This should be called in an assertion at the start of OptoRuntime routines
111 // which are entered from compiled code (all of them)
112 #ifdef ASSERT
113 static bool check_compiled_frame(JavaThread* thread) {
114 assert(thread->last_frame().is_runtime_frame(), "cannot call runtime directly from compiled code");
115 RegisterMap map(thread, false);
116 frame caller = thread->last_frame().sender(&map);
117 assert(caller.is_compiled_frame(), "not being called from compiled like code");
118 return true;
119 }
120 #endif // ASSERT
121
122
123 #define gen(env, var, type_func_gen, c_func, fancy_jump, pass_tls, save_arg_regs, return_pc) \
124 var = generate_stub(env, type_func_gen, CAST_FROM_FN_PTR(address, c_func), #var, fancy_jump, pass_tls, save_arg_regs, return_pc); \
125 if (var == NULL) { return false; }
126
127 bool OptoRuntime::generate(ciEnv* env) {
128
129 generate_exception_blob();
130
131 // Note: tls: Means fetching the return oop out of the thread-local storage
132 //
133 // variable/name type-function-gen , runtime method ,fncy_jp, tls,save_args,retpc
134 // -------------------------------------------------------------------------------------------------------------------------------
135 gen(env, _new_instance_Java , new_instance_Type , new_instance_C , 0 , true , false, false);
136 gen(env, _new_array_Java , new_array_Type , new_array_C , 0 , true , false, false);
137 gen(env, _new_array_nozero_Java , new_array_Type , new_array_nozero_C , 0 , true , false, false);
138 gen(env, _multianewarray2_Java , multianewarray2_Type , multianewarray2_C , 0 , true , false, false);
139 gen(env, _multianewarray3_Java , multianewarray3_Type , multianewarray3_C , 0 , true , false, false);
140 gen(env, _multianewarray4_Java , multianewarray4_Type , multianewarray4_C , 0 , true , false, false);
141 gen(env, _multianewarray5_Java , multianewarray5_Type , multianewarray5_C , 0 , true , false, false);
142 gen(env, _multianewarrayN_Java , multianewarrayN_Type , multianewarrayN_C , 0 , true , false, false);
143 gen(env, _complete_monitor_locking_Java , complete_monitor_enter_Type , SharedRuntime::complete_monitor_locking_C, 0, false, false, false);
144 gen(env, _monitor_notify_Java , monitor_notify_Type , monitor_notify_C , 0 , false, false, false);
145 gen(env, _monitor_notifyAll_Java , monitor_notify_Type , monitor_notifyAll_C , 0 , false, false, false);
146 gen(env, _rethrow_Java , rethrow_Type , rethrow_C , 2 , true , false, true );
147
148 gen(env, _slow_arraycopy_Java , slow_arraycopy_Type , SharedRuntime::slow_arraycopy_C , 0 , false, false, false);
149 gen(env, _register_finalizer_Java , register_finalizer_Type , register_finalizer , 0 , false, false, false);
150
151 return true;
152 }
153
154 #undef gen
155
156
157 // Helper method to do generation of RunTimeStub's
158 address OptoRuntime::generate_stub( ciEnv* env,
159 TypeFunc_generator gen, address C_function,
160 const char *name, int is_fancy_jump,
161 bool pass_tls,
162 bool save_argument_registers,
163 bool return_pc) {
164
165 // Matching the default directive, we currently have no method to match.
166 DirectiveSet* directive = DirectivesStack::getDefaultDirective(CompileBroker::compiler(CompLevel_full_optimization));
167 ResourceMark rm;
168 Compile C( env, gen, C_function, name, is_fancy_jump, pass_tls, save_argument_registers, return_pc, directive);
169 DirectivesStack::release(directive);
170 return C.stub_entry_point();
171 }
172
173 const char* OptoRuntime::stub_name(address entry) {
174 #ifndef PRODUCT
175 CodeBlob* cb = CodeCache::find_blob(entry);
176 RuntimeStub* rs =(RuntimeStub *)cb;
177 assert(rs != NULL && rs->is_runtime_stub(), "not a runtime stub");
178 return rs->name();
179 #else
180 // Fast implementation for product mode (maybe it should be inlined too)
181 return "runtime stub";
182 #endif
183 }
184
185
186 //=============================================================================
187 // Opto compiler runtime routines
188 //=============================================================================
189
190
191 //=============================allocation======================================
192 // We failed the fast-path allocation. Now we need to do a scavenge or GC
193 // and try allocation again.
194
195 // object allocation
196 JRT_BLOCK_ENTRY(void, OptoRuntime::new_instance_C(Klass* klass, JavaThread* thread))
197 JRT_BLOCK;
198 #ifndef PRODUCT
199 SharedRuntime::_new_instance_ctr++; // new instance requires GC
200 #endif
201 assert(check_compiled_frame(thread), "incorrect caller");
202
203 // These checks are cheap to make and support reflective allocation.
204 int lh = klass->layout_helper();
205 if (Klass::layout_helper_needs_slow_path(lh) || !InstanceKlass::cast(klass)->is_initialized()) {
206 Handle holder(THREAD, klass->klass_holder()); // keep the klass alive
207 klass->check_valid_for_instantiation(false, THREAD);
208 if (!HAS_PENDING_EXCEPTION) {
209 InstanceKlass::cast(klass)->initialize(THREAD);
210 }
211 }
212
213 if (!HAS_PENDING_EXCEPTION) {
214 // Scavenge and allocate an instance.
215 Handle holder(THREAD, klass->klass_holder()); // keep the klass alive
216 oop result = InstanceKlass::cast(klass)->allocate_instance(THREAD);
217 thread->set_vm_result(result);
218
219 // Pass oops back through thread local storage. Our apparent type to Java
220 // is that we return an oop, but we can block on exit from this routine and
221 // a GC can trash the oop in C's return register. The generated stub will
222 // fetch the oop from TLS after any possible GC.
223 }
224
225 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION);
226 JRT_BLOCK_END;
227
228 // inform GC that we won't do card marks for initializing writes.
229 SharedRuntime::on_slowpath_allocation_exit(thread);
230 JRT_END
231
232
233 // array allocation
234 JRT_BLOCK_ENTRY(void, OptoRuntime::new_array_C(Klass* array_type, int len, JavaThread *thread))
235 JRT_BLOCK;
236 #ifndef PRODUCT
237 SharedRuntime::_new_array_ctr++; // new array requires GC
238 #endif
239 assert(check_compiled_frame(thread), "incorrect caller");
240
241 // Scavenge and allocate an instance.
242 oop result;
243
244 if (array_type->is_typeArray_klass()) {
245 // The oopFactory likes to work with the element type.
246 // (We could bypass the oopFactory, since it doesn't add much value.)
247 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type();
248 result = oopFactory::new_typeArray(elem_type, len, THREAD);
249 } else {
250 // Although the oopFactory likes to work with the elem_type,
251 // the compiler prefers the array_type, since it must already have
252 // that latter value in hand for the fast path.
253 Handle holder(THREAD, array_type->klass_holder()); // keep the array klass alive
254 Klass* elem_type = ObjArrayKlass::cast(array_type)->element_klass();
255 result = oopFactory::new_objArray(elem_type, len, THREAD);
256 }
257
258 // Pass oops back through thread local storage. Our apparent type to Java
259 // is that we return an oop, but we can block on exit from this routine and
260 // a GC can trash the oop in C's return register. The generated stub will
261 // fetch the oop from TLS after any possible GC.
262 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION);
263 thread->set_vm_result(result);
264 JRT_BLOCK_END;
265
266 // inform GC that we won't do card marks for initializing writes.
267 SharedRuntime::on_slowpath_allocation_exit(thread);
268 JRT_END
269
270 // array allocation without zeroing
271 JRT_BLOCK_ENTRY(void, OptoRuntime::new_array_nozero_C(Klass* array_type, int len, JavaThread *thread))
272 JRT_BLOCK;
273 #ifndef PRODUCT
274 SharedRuntime::_new_array_ctr++; // new array requires GC
275 #endif
276 assert(check_compiled_frame(thread), "incorrect caller");
277
278 // Scavenge and allocate an instance.
279 oop result;
280
281 assert(array_type->is_typeArray_klass(), "should be called only for type array");
282 // The oopFactory likes to work with the element type.
283 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type();
284 result = oopFactory::new_typeArray_nozero(elem_type, len, THREAD);
285
286 // Pass oops back through thread local storage. Our apparent type to Java
287 // is that we return an oop, but we can block on exit from this routine and
288 // a GC can trash the oop in C's return register. The generated stub will
289 // fetch the oop from TLS after any possible GC.
290 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION);
291 thread->set_vm_result(result);
292 JRT_BLOCK_END;
293
294
295 // inform GC that we won't do card marks for initializing writes.
296 SharedRuntime::on_slowpath_allocation_exit(thread);
297
298 oop result = thread->vm_result();
299 if ((len > 0) && (result != NULL) &&
300 is_deoptimized_caller_frame(thread)) {
301 // Zero array here if the caller is deoptimized.
302 int size = ((typeArrayOop)result)->object_size();
303 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type();
304 const size_t hs = arrayOopDesc::header_size(elem_type);
305 // Align to next 8 bytes to avoid trashing arrays's length.
306 const size_t aligned_hs = align_object_offset(hs);
307 HeapWord* obj = cast_from_oop<HeapWord*>(result);
308 if (aligned_hs > hs) {
309 Copy::zero_to_words(obj+hs, aligned_hs-hs);
310 }
311 // Optimized zeroing.
312 Copy::fill_to_aligned_words(obj+aligned_hs, size-aligned_hs);
313 }
314
315 JRT_END
316
317 // Note: multianewarray for one dimension is handled inline by GraphKit::new_array.
318
319 // multianewarray for 2 dimensions
320 JRT_ENTRY(void, OptoRuntime::multianewarray2_C(Klass* elem_type, int len1, int len2, JavaThread *thread))
321 #ifndef PRODUCT
322 SharedRuntime::_multi2_ctr++; // multianewarray for 1 dimension
323 #endif
324 assert(check_compiled_frame(thread), "incorrect caller");
325 assert(elem_type->is_klass(), "not a class");
326 jint dims[2];
327 dims[0] = len1;
328 dims[1] = len2;
329 Handle holder(THREAD, elem_type->klass_holder()); // keep the klass alive
330 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(2, dims, THREAD);
331 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION);
332 thread->set_vm_result(obj);
333 JRT_END
334
335 // multianewarray for 3 dimensions
336 JRT_ENTRY(void, OptoRuntime::multianewarray3_C(Klass* elem_type, int len1, int len2, int len3, JavaThread *thread))
337 #ifndef PRODUCT
338 SharedRuntime::_multi3_ctr++; // multianewarray for 1 dimension
339 #endif
340 assert(check_compiled_frame(thread), "incorrect caller");
341 assert(elem_type->is_klass(), "not a class");
342 jint dims[3];
343 dims[0] = len1;
344 dims[1] = len2;
345 dims[2] = len3;
346 Handle holder(THREAD, elem_type->klass_holder()); // keep the klass alive
347 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(3, dims, THREAD);
348 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION);
349 thread->set_vm_result(obj);
350 JRT_END
351
352 // multianewarray for 4 dimensions
353 JRT_ENTRY(void, OptoRuntime::multianewarray4_C(Klass* elem_type, int len1, int len2, int len3, int len4, JavaThread *thread))
354 #ifndef PRODUCT
355 SharedRuntime::_multi4_ctr++; // multianewarray for 1 dimension
356 #endif
357 assert(check_compiled_frame(thread), "incorrect caller");
358 assert(elem_type->is_klass(), "not a class");
359 jint dims[4];
360 dims[0] = len1;
361 dims[1] = len2;
362 dims[2] = len3;
363 dims[3] = len4;
364 Handle holder(THREAD, elem_type->klass_holder()); // keep the klass alive
365 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(4, dims, THREAD);
366 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION);
367 thread->set_vm_result(obj);
368 JRT_END
369
370 // multianewarray for 5 dimensions
371 JRT_ENTRY(void, OptoRuntime::multianewarray5_C(Klass* elem_type, int len1, int len2, int len3, int len4, int len5, JavaThread *thread))
372 #ifndef PRODUCT
373 SharedRuntime::_multi5_ctr++; // multianewarray for 1 dimension
374 #endif
375 assert(check_compiled_frame(thread), "incorrect caller");
376 assert(elem_type->is_klass(), "not a class");
377 jint dims[5];
378 dims[0] = len1;
379 dims[1] = len2;
380 dims[2] = len3;
381 dims[3] = len4;
382 dims[4] = len5;
383 Handle holder(THREAD, elem_type->klass_holder()); // keep the klass alive
384 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(5, dims, THREAD);
385 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION);
386 thread->set_vm_result(obj);
387 JRT_END
388
389 JRT_ENTRY(void, OptoRuntime::multianewarrayN_C(Klass* elem_type, arrayOopDesc* dims, JavaThread *thread))
390 assert(check_compiled_frame(thread), "incorrect caller");
391 assert(elem_type->is_klass(), "not a class");
392 assert(oop(dims)->is_typeArray(), "not an array");
393
394 ResourceMark rm;
395 jint len = dims->length();
396 assert(len > 0, "Dimensions array should contain data");
397 jint *c_dims = NEW_RESOURCE_ARRAY(jint, len);
398 ArrayAccess<>::arraycopy_to_native<>(dims, typeArrayOopDesc::element_offset<jint>(0),
399 c_dims, len);
400
401 Handle holder(THREAD, elem_type->klass_holder()); // keep the klass alive
402 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(len, c_dims, THREAD);
403 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION);
404 thread->set_vm_result(obj);
405 JRT_END
406
407 JRT_BLOCK_ENTRY(void, OptoRuntime::monitor_notify_C(oopDesc* obj, JavaThread *thread))
408
409 // Very few notify/notifyAll operations find any threads on the waitset, so
410 // the dominant fast-path is to simply return.
411 // Relatedly, it's critical that notify/notifyAll be fast in order to
412 // reduce lock hold times.
413 if (!SafepointSynchronize::is_synchronizing()) {
414 if (ObjectSynchronizer::quick_notify(obj, thread, false)) {
415 return;
416 }
417 }
418
419 // This is the case the fast-path above isn't provisioned to handle.
420 // The fast-path is designed to handle frequently arising cases in an efficient manner.
421 // (The fast-path is just a degenerate variant of the slow-path).
422 // Perform the dreaded state transition and pass control into the slow-path.
423 JRT_BLOCK;
424 Handle h_obj(THREAD, obj);
425 ObjectSynchronizer::notify(h_obj, CHECK);
426 JRT_BLOCK_END;
427 JRT_END
428
429 JRT_BLOCK_ENTRY(void, OptoRuntime::monitor_notifyAll_C(oopDesc* obj, JavaThread *thread))
430
431 if (!SafepointSynchronize::is_synchronizing() ) {
432 if (ObjectSynchronizer::quick_notify(obj, thread, true)) {
433 return;
434 }
435 }
436
437 // This is the case the fast-path above isn't provisioned to handle.
438 // The fast-path is designed to handle frequently arising cases in an efficient manner.
439 // (The fast-path is just a degenerate variant of the slow-path).
440 // Perform the dreaded state transition and pass control into the slow-path.
441 JRT_BLOCK;
442 Handle h_obj(THREAD, obj);
443 ObjectSynchronizer::notifyall(h_obj, CHECK);
444 JRT_BLOCK_END;
445 JRT_END
446
447 const TypeFunc *OptoRuntime::new_instance_Type() {
448 // create input type (domain)
449 const Type **fields = TypeTuple::fields(1);
450 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Klass to be allocated
451 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields);
452
453 // create result type (range)
454 fields = TypeTuple::fields(1);
455 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop
456
457 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields);
458
459 return TypeFunc::make(domain, range);
460 }
461
462
463 const TypeFunc *OptoRuntime::athrow_Type() {
464 // create input type (domain)
465 const Type **fields = TypeTuple::fields(1);
466 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Klass to be allocated
467 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields);
468
469 // create result type (range)
470 fields = TypeTuple::fields(0);
471
472 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields);
473
474 return TypeFunc::make(domain, range);
475 }
476
477
478 const TypeFunc *OptoRuntime::new_array_Type() {
479 // create input type (domain)
480 const Type **fields = TypeTuple::fields(2);
481 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // element klass
482 fields[TypeFunc::Parms+1] = TypeInt::INT; // array size
483 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields);
484
485 // create result type (range)
486 fields = TypeTuple::fields(1);
487 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop
488
489 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields);
490
491 return TypeFunc::make(domain, range);
492 }
493
494 const TypeFunc *OptoRuntime::multianewarray_Type(int ndim) {
495 // create input type (domain)
496 const int nargs = ndim + 1;
497 const Type **fields = TypeTuple::fields(nargs);
498 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // element klass
499 for( int i = 1; i < nargs; i++ )
500 fields[TypeFunc::Parms + i] = TypeInt::INT; // array size
501 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+nargs, fields);
502
503 // create result type (range)
504 fields = TypeTuple::fields(1);
505 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop
506 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields);
507
508 return TypeFunc::make(domain, range);
509 }
510
511 const TypeFunc *OptoRuntime::multianewarray2_Type() {
512 return multianewarray_Type(2);
513 }
514
515 const TypeFunc *OptoRuntime::multianewarray3_Type() {
516 return multianewarray_Type(3);
517 }
518
519 const TypeFunc *OptoRuntime::multianewarray4_Type() {
520 return multianewarray_Type(4);
521 }
522
523 const TypeFunc *OptoRuntime::multianewarray5_Type() {
524 return multianewarray_Type(5);
525 }
526
527 const TypeFunc *OptoRuntime::multianewarrayN_Type() {
528 // create input type (domain)
529 const Type **fields = TypeTuple::fields(2);
530 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // element klass
531 fields[TypeFunc::Parms+1] = TypeInstPtr::NOTNULL; // array of dim sizes
532 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields);
533
534 // create result type (range)
535 fields = TypeTuple::fields(1);
536 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop
537 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields);
538
539 return TypeFunc::make(domain, range);
540 }
541
542 const TypeFunc *OptoRuntime::uncommon_trap_Type() {
543 // create input type (domain)
544 const Type **fields = TypeTuple::fields(1);
545 fields[TypeFunc::Parms+0] = TypeInt::INT; // trap_reason (deopt reason and action)
546 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields);
547
548 // create result type (range)
549 fields = TypeTuple::fields(0);
550 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields);
551
552 return TypeFunc::make(domain, range);
553 }
554
555 //-----------------------------------------------------------------------------
556 // Monitor Handling
557 const TypeFunc *OptoRuntime::complete_monitor_enter_Type() {
558 // create input type (domain)
559 const Type **fields = TypeTuple::fields(2);
560 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Object to be Locked
561 fields[TypeFunc::Parms+1] = TypeRawPtr::BOTTOM; // Address of stack location for lock
562 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields);
563
564 // create result type (range)
565 fields = TypeTuple::fields(0);
566
567 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields);
568
569 return TypeFunc::make(domain,range);
570 }
571
572
573 //-----------------------------------------------------------------------------
574 const TypeFunc *OptoRuntime::complete_monitor_exit_Type() {
575 // create input type (domain)
576 const Type **fields = TypeTuple::fields(3);
577 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Object to be Locked
578 fields[TypeFunc::Parms+1] = TypeRawPtr::BOTTOM; // Address of stack location for lock - BasicLock
579 fields[TypeFunc::Parms+2] = TypeRawPtr::BOTTOM; // Thread pointer (Self)
580 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+3, fields);
581
582 // create result type (range)
583 fields = TypeTuple::fields(0);
584
585 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields);
586
587 return TypeFunc::make(domain, range);
588 }
589
590 const TypeFunc *OptoRuntime::monitor_notify_Type() {
591 // create input type (domain)
592 const Type **fields = TypeTuple::fields(1);
593 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Object to be Locked
594 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields);
595
596 // create result type (range)
597 fields = TypeTuple::fields(0);
598 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields);
599 return TypeFunc::make(domain, range);
600 }
601
602 const TypeFunc* OptoRuntime::flush_windows_Type() {
603 // create input type (domain)
604 const Type** fields = TypeTuple::fields(1);
605 fields[TypeFunc::Parms+0] = NULL; // void
606 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms, fields);
607
608 // create result type
609 fields = TypeTuple::fields(1);
610 fields[TypeFunc::Parms+0] = NULL; // void
611 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields);
612
613 return TypeFunc::make(domain, range);
614 }
615
616 const TypeFunc* OptoRuntime::l2f_Type() {
617 // create input type (domain)
618 const Type **fields = TypeTuple::fields(2);
619 fields[TypeFunc::Parms+0] = TypeLong::LONG;
620 fields[TypeFunc::Parms+1] = Type::HALF;
621 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields);
622
623 // create result type (range)
624 fields = TypeTuple::fields(1);
625 fields[TypeFunc::Parms+0] = Type::FLOAT;
626 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields);
627
628 return TypeFunc::make(domain, range);
629 }
630
631 const TypeFunc* OptoRuntime::modf_Type() {
632 const Type **fields = TypeTuple::fields(2);
633 fields[TypeFunc::Parms+0] = Type::FLOAT;
634 fields[TypeFunc::Parms+1] = Type::FLOAT;
635 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields);
636
637 // create result type (range)
638 fields = TypeTuple::fields(1);
639 fields[TypeFunc::Parms+0] = Type::FLOAT;
640
641 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields);
642
643 return TypeFunc::make(domain, range);
644 }
645
646 const TypeFunc *OptoRuntime::Math_D_D_Type() {
647 // create input type (domain)
648 const Type **fields = TypeTuple::fields(2);
649 // Symbol* name of class to be loaded
650 fields[TypeFunc::Parms+0] = Type::DOUBLE;
651 fields[TypeFunc::Parms+1] = Type::HALF;
652 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields);
653
654 // create result type (range)
655 fields = TypeTuple::fields(2);
656 fields[TypeFunc::Parms+0] = Type::DOUBLE;
657 fields[TypeFunc::Parms+1] = Type::HALF;
658 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+2, fields);
659
660 return TypeFunc::make(domain, range);
661 }
662
663 const TypeFunc* OptoRuntime::Math_DD_D_Type() {
664 const Type **fields = TypeTuple::fields(4);
665 fields[TypeFunc::Parms+0] = Type::DOUBLE;
666 fields[TypeFunc::Parms+1] = Type::HALF;
667 fields[TypeFunc::Parms+2] = Type::DOUBLE;
668 fields[TypeFunc::Parms+3] = Type::HALF;
669 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+4, fields);
670
671 // create result type (range)
672 fields = TypeTuple::fields(2);
673 fields[TypeFunc::Parms+0] = Type::DOUBLE;
674 fields[TypeFunc::Parms+1] = Type::HALF;
675 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+2, fields);
676
677 return TypeFunc::make(domain, range);
678 }
679
680 //-------------- currentTimeMillis, currentTimeNanos, etc
681
682 const TypeFunc* OptoRuntime::void_long_Type() {
683 // create input type (domain)
684 const Type **fields = TypeTuple::fields(0);
685 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+0, fields);
686
687 // create result type (range)
688 fields = TypeTuple::fields(2);
689 fields[TypeFunc::Parms+0] = TypeLong::LONG;
690 fields[TypeFunc::Parms+1] = Type::HALF;
691 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+2, fields);
692
693 return TypeFunc::make(domain, range);
694 }
695
696 // arraycopy stub variations:
697 enum ArrayCopyType {
698 ac_fast, // void(ptr, ptr, size_t)
699 ac_checkcast, // int(ptr, ptr, size_t, size_t, ptr)
700 ac_slow, // void(ptr, int, ptr, int, int)
701 ac_generic // int(ptr, int, ptr, int, int)
702 };
703
704 static const TypeFunc* make_arraycopy_Type(ArrayCopyType act) {
705 // create input type (domain)
706 int num_args = (act == ac_fast ? 3 : 5);
707 int num_size_args = (act == ac_fast ? 1 : act == ac_checkcast ? 2 : 0);
708 int argcnt = num_args;
709 LP64_ONLY(argcnt += num_size_args); // halfwords for lengths
710 const Type** fields = TypeTuple::fields(argcnt);
711 int argp = TypeFunc::Parms;
712 fields[argp++] = TypePtr::NOTNULL; // src
713 if (num_size_args == 0) {
714 fields[argp++] = TypeInt::INT; // src_pos
715 }
716 fields[argp++] = TypePtr::NOTNULL; // dest
717 if (num_size_args == 0) {
718 fields[argp++] = TypeInt::INT; // dest_pos
719 fields[argp++] = TypeInt::INT; // length
720 }
721 while (num_size_args-- > 0) {
722 fields[argp++] = TypeX_X; // size in whatevers (size_t)
723 LP64_ONLY(fields[argp++] = Type::HALF); // other half of long length
724 }
725 if (act == ac_checkcast) {
726 fields[argp++] = TypePtr::NOTNULL; // super_klass
727 }
728 assert(argp == TypeFunc::Parms+argcnt, "correct decoding of act");
729 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
730
731 // create result type if needed
732 int retcnt = (act == ac_checkcast || act == ac_generic ? 1 : 0);
733 fields = TypeTuple::fields(1);
734 if (retcnt == 0)
735 fields[TypeFunc::Parms+0] = NULL; // void
736 else
737 fields[TypeFunc::Parms+0] = TypeInt::INT; // status result, if needed
738 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+retcnt, fields);
739 return TypeFunc::make(domain, range);
740 }
741
742 const TypeFunc* OptoRuntime::fast_arraycopy_Type() {
743 // This signature is simple: Two base pointers and a size_t.
744 return make_arraycopy_Type(ac_fast);
745 }
746
747 const TypeFunc* OptoRuntime::checkcast_arraycopy_Type() {
748 // An extension of fast_arraycopy_Type which adds type checking.
749 return make_arraycopy_Type(ac_checkcast);
750 }
751
752 const TypeFunc* OptoRuntime::slow_arraycopy_Type() {
753 // This signature is exactly the same as System.arraycopy.
754 // There are no intptr_t (int/long) arguments.
755 return make_arraycopy_Type(ac_slow);
756 }
757
758 const TypeFunc* OptoRuntime::generic_arraycopy_Type() {
759 // This signature is like System.arraycopy, except that it returns status.
760 return make_arraycopy_Type(ac_generic);
761 }
762
763
764 const TypeFunc* OptoRuntime::array_fill_Type() {
765 const Type** fields;
766 int argp = TypeFunc::Parms;
767 // create input type (domain): pointer, int, size_t
768 fields = TypeTuple::fields(3 LP64_ONLY( + 1));
769 fields[argp++] = TypePtr::NOTNULL;
770 fields[argp++] = TypeInt::INT;
771 fields[argp++] = TypeX_X; // size in whatevers (size_t)
772 LP64_ONLY(fields[argp++] = Type::HALF); // other half of long length
773 const TypeTuple *domain = TypeTuple::make(argp, fields);
774
775 // create result type
776 fields = TypeTuple::fields(1);
777 fields[TypeFunc::Parms+0] = NULL; // void
778 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields);
779
780 return TypeFunc::make(domain, range);
781 }
782
783 // for aescrypt encrypt/decrypt operations, just three pointers returning void (length is constant)
784 const TypeFunc* OptoRuntime::aescrypt_block_Type() {
785 // create input type (domain)
786 int num_args = 3;
787 if (Matcher::pass_original_key_for_aes()) {
788 num_args = 4;
789 }
790 int argcnt = num_args;
791 const Type** fields = TypeTuple::fields(argcnt);
792 int argp = TypeFunc::Parms;
793 fields[argp++] = TypePtr::NOTNULL; // src
794 fields[argp++] = TypePtr::NOTNULL; // dest
795 fields[argp++] = TypePtr::NOTNULL; // k array
796 if (Matcher::pass_original_key_for_aes()) {
797 fields[argp++] = TypePtr::NOTNULL; // original k array
798 }
799 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
800 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
801
802 // no result type needed
803 fields = TypeTuple::fields(1);
804 fields[TypeFunc::Parms+0] = NULL; // void
805 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields);
806 return TypeFunc::make(domain, range);
807 }
808
809 /**
810 * int updateBytesCRC32(int crc, byte* b, int len)
811 */
812 const TypeFunc* OptoRuntime::updateBytesCRC32_Type() {
813 // create input type (domain)
814 int num_args = 3;
815 int argcnt = num_args;
816 const Type** fields = TypeTuple::fields(argcnt);
817 int argp = TypeFunc::Parms;
818 fields[argp++] = TypeInt::INT; // crc
819 fields[argp++] = TypePtr::NOTNULL; // src
820 fields[argp++] = TypeInt::INT; // len
821 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
822 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
823
824 // result type needed
825 fields = TypeTuple::fields(1);
826 fields[TypeFunc::Parms+0] = TypeInt::INT; // crc result
827 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+1, fields);
828 return TypeFunc::make(domain, range);
829 }
830
831 /**
832 * int updateBytesCRC32C(int crc, byte* buf, int len, int* table)
833 */
834 const TypeFunc* OptoRuntime::updateBytesCRC32C_Type() {
835 // create input type (domain)
836 int num_args = 4;
837 int argcnt = num_args;
838 const Type** fields = TypeTuple::fields(argcnt);
839 int argp = TypeFunc::Parms;
840 fields[argp++] = TypeInt::INT; // crc
841 fields[argp++] = TypePtr::NOTNULL; // buf
842 fields[argp++] = TypeInt::INT; // len
843 fields[argp++] = TypePtr::NOTNULL; // table
844 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
845 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
846
847 // result type needed
848 fields = TypeTuple::fields(1);
849 fields[TypeFunc::Parms+0] = TypeInt::INT; // crc result
850 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+1, fields);
851 return TypeFunc::make(domain, range);
852 }
853
854 /**
855 * int updateBytesAdler32(int adler, bytes* b, int off, int len)
856 */
857 const TypeFunc* OptoRuntime::updateBytesAdler32_Type() {
858 // create input type (domain)
859 int num_args = 3;
860 int argcnt = num_args;
861 const Type** fields = TypeTuple::fields(argcnt);
862 int argp = TypeFunc::Parms;
863 fields[argp++] = TypeInt::INT; // crc
864 fields[argp++] = TypePtr::NOTNULL; // src + offset
865 fields[argp++] = TypeInt::INT; // len
866 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
867 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
868
869 // result type needed
870 fields = TypeTuple::fields(1);
871 fields[TypeFunc::Parms+0] = TypeInt::INT; // crc result
872 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+1, fields);
873 return TypeFunc::make(domain, range);
874 }
875
876 // for cipherBlockChaining calls of aescrypt encrypt/decrypt, four pointers and a length, returning int
877 const TypeFunc* OptoRuntime::cipherBlockChaining_aescrypt_Type() {
878 // create input type (domain)
879 int num_args = 5;
880 if (Matcher::pass_original_key_for_aes()) {
881 num_args = 6;
882 }
883 int argcnt = num_args;
884 const Type** fields = TypeTuple::fields(argcnt);
885 int argp = TypeFunc::Parms;
886 fields[argp++] = TypePtr::NOTNULL; // src
887 fields[argp++] = TypePtr::NOTNULL; // dest
888 fields[argp++] = TypePtr::NOTNULL; // k array
889 fields[argp++] = TypePtr::NOTNULL; // r array
890 fields[argp++] = TypeInt::INT; // src len
891 if (Matcher::pass_original_key_for_aes()) {
892 fields[argp++] = TypePtr::NOTNULL; // original k array
893 }
894 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
895 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
896
897 // returning cipher len (int)
898 fields = TypeTuple::fields(1);
899 fields[TypeFunc::Parms+0] = TypeInt::INT;
900 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+1, fields);
901 return TypeFunc::make(domain, range);
902 }
903
904 // for electronicCodeBook calls of aescrypt encrypt/decrypt, three pointers and a length, returning int
905 const TypeFunc* OptoRuntime::electronicCodeBook_aescrypt_Type() {
906 // create input type (domain)
907 int num_args = 4;
908 if (Matcher::pass_original_key_for_aes()) {
909 num_args = 5;
910 }
911 int argcnt = num_args;
912 const Type** fields = TypeTuple::fields(argcnt);
913 int argp = TypeFunc::Parms;
914 fields[argp++] = TypePtr::NOTNULL; // src
915 fields[argp++] = TypePtr::NOTNULL; // dest
916 fields[argp++] = TypePtr::NOTNULL; // k array
917 fields[argp++] = TypeInt::INT; // src len
918 if (Matcher::pass_original_key_for_aes()) {
919 fields[argp++] = TypePtr::NOTNULL; // original k array
920 }
921 assert(argp == TypeFunc::Parms + argcnt, "correct decoding");
922 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms + argcnt, fields);
923
924 // returning cipher len (int)
925 fields = TypeTuple::fields(1);
926 fields[TypeFunc::Parms + 0] = TypeInt::INT;
927 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms + 1, fields);
928 return TypeFunc::make(domain, range);
929 }
930
931 //for counterMode calls of aescrypt encrypt/decrypt, four pointers and a length, returning int
932 const TypeFunc* OptoRuntime::counterMode_aescrypt_Type() {
933 // create input type (domain)
934 int num_args = 7;
935 if (Matcher::pass_original_key_for_aes()) {
936 num_args = 8;
937 }
938 int argcnt = num_args;
939 const Type** fields = TypeTuple::fields(argcnt);
940 int argp = TypeFunc::Parms;
941 fields[argp++] = TypePtr::NOTNULL; // src
942 fields[argp++] = TypePtr::NOTNULL; // dest
943 fields[argp++] = TypePtr::NOTNULL; // k array
944 fields[argp++] = TypePtr::NOTNULL; // counter array
945 fields[argp++] = TypeInt::INT; // src len
946 fields[argp++] = TypePtr::NOTNULL; // saved_encCounter
947 fields[argp++] = TypePtr::NOTNULL; // saved used addr
948 if (Matcher::pass_original_key_for_aes()) {
949 fields[argp++] = TypePtr::NOTNULL; // original k array
950 }
951 assert(argp == TypeFunc::Parms + argcnt, "correct decoding");
952 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms + argcnt, fields);
953 // returning cipher len (int)
954 fields = TypeTuple::fields(1);
955 fields[TypeFunc::Parms + 0] = TypeInt::INT;
956 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms + 1, fields);
957 return TypeFunc::make(domain, range);
958 }
959
960 /*
961 * void implCompress(byte[] buf, int ofs)
962 */
963 const TypeFunc* OptoRuntime::digestBase_implCompress_Type() {
964 // create input type (domain)
965 int num_args = 2;
966 int argcnt = num_args;
967 const Type** fields = TypeTuple::fields(argcnt);
968 int argp = TypeFunc::Parms;
969 fields[argp++] = TypePtr::NOTNULL; // buf
970 fields[argp++] = TypePtr::NOTNULL; // state
971 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
972 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
973
974 // no result type needed
975 fields = TypeTuple::fields(1);
976 fields[TypeFunc::Parms+0] = NULL; // void
977 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields);
978 return TypeFunc::make(domain, range);
979 }
980
981 /*
982 * int implCompressMultiBlock(byte[] b, int ofs, int limit)
983 */
984 const TypeFunc* OptoRuntime::digestBase_implCompressMB_Type() {
985 // create input type (domain)
986 int num_args = 4;
987 int argcnt = num_args;
988 const Type** fields = TypeTuple::fields(argcnt);
989 int argp = TypeFunc::Parms;
990 fields[argp++] = TypePtr::NOTNULL; // buf
991 fields[argp++] = TypePtr::NOTNULL; // state
992 fields[argp++] = TypeInt::INT; // ofs
993 fields[argp++] = TypeInt::INT; // limit
994 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
995 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
996
997 // returning ofs (int)
998 fields = TypeTuple::fields(1);
999 fields[TypeFunc::Parms+0] = TypeInt::INT; // ofs
1000 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+1, fields);
1001 return TypeFunc::make(domain, range);
1002 }
1003
1004 const TypeFunc* OptoRuntime::multiplyToLen_Type() {
1005 // create input type (domain)
1006 int num_args = 6;
1007 int argcnt = num_args;
1008 const Type** fields = TypeTuple::fields(argcnt);
1009 int argp = TypeFunc::Parms;
1010 fields[argp++] = TypePtr::NOTNULL; // x
1011 fields[argp++] = TypeInt::INT; // xlen
1012 fields[argp++] = TypePtr::NOTNULL; // y
1013 fields[argp++] = TypeInt::INT; // ylen
1014 fields[argp++] = TypePtr::NOTNULL; // z
1015 fields[argp++] = TypeInt::INT; // zlen
1016 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
1017 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
1018
1019 // no result type needed
1020 fields = TypeTuple::fields(1);
1021 fields[TypeFunc::Parms+0] = NULL;
1022 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields);
1023 return TypeFunc::make(domain, range);
1024 }
1025
1026 const TypeFunc* OptoRuntime::squareToLen_Type() {
1027 // create input type (domain)
1028 int num_args = 4;
1029 int argcnt = num_args;
1030 const Type** fields = TypeTuple::fields(argcnt);
1031 int argp = TypeFunc::Parms;
1032 fields[argp++] = TypePtr::NOTNULL; // x
1033 fields[argp++] = TypeInt::INT; // len
1034 fields[argp++] = TypePtr::NOTNULL; // z
1035 fields[argp++] = TypeInt::INT; // zlen
1036 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
1037 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
1038
1039 // no result type needed
1040 fields = TypeTuple::fields(1);
1041 fields[TypeFunc::Parms+0] = NULL;
1042 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields);
1043 return TypeFunc::make(domain, range);
1044 }
1045
1046 // for mulAdd calls, 2 pointers and 3 ints, returning int
1047 const TypeFunc* OptoRuntime::mulAdd_Type() {
1048 // create input type (domain)
1049 int num_args = 5;
1050 int argcnt = num_args;
1051 const Type** fields = TypeTuple::fields(argcnt);
1052 int argp = TypeFunc::Parms;
1053 fields[argp++] = TypePtr::NOTNULL; // out
1054 fields[argp++] = TypePtr::NOTNULL; // in
1055 fields[argp++] = TypeInt::INT; // offset
1056 fields[argp++] = TypeInt::INT; // len
1057 fields[argp++] = TypeInt::INT; // k
1058 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
1059 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
1060
1061 // returning carry (int)
1062 fields = TypeTuple::fields(1);
1063 fields[TypeFunc::Parms+0] = TypeInt::INT;
1064 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+1, fields);
1065 return TypeFunc::make(domain, range);
1066 }
1067
1068 const TypeFunc* OptoRuntime::montgomeryMultiply_Type() {
1069 // create input type (domain)
1070 int num_args = 7;
1071 int argcnt = num_args;
1072 const Type** fields = TypeTuple::fields(argcnt);
1073 int argp = TypeFunc::Parms;
1074 fields[argp++] = TypePtr::NOTNULL; // a
1075 fields[argp++] = TypePtr::NOTNULL; // b
1076 fields[argp++] = TypePtr::NOTNULL; // n
1077 fields[argp++] = TypeInt::INT; // len
1078 fields[argp++] = TypeLong::LONG; // inv
1079 fields[argp++] = Type::HALF;
1080 fields[argp++] = TypePtr::NOTNULL; // result
1081 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
1082 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
1083
1084 // result type needed
1085 fields = TypeTuple::fields(1);
1086 fields[TypeFunc::Parms+0] = TypePtr::NOTNULL;
1087
1088 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields);
1089 return TypeFunc::make(domain, range);
1090 }
1091
1092 const TypeFunc* OptoRuntime::montgomerySquare_Type() {
1093 // create input type (domain)
1094 int num_args = 6;
1095 int argcnt = num_args;
1096 const Type** fields = TypeTuple::fields(argcnt);
1097 int argp = TypeFunc::Parms;
1098 fields[argp++] = TypePtr::NOTNULL; // a
1099 fields[argp++] = TypePtr::NOTNULL; // n
1100 fields[argp++] = TypeInt::INT; // len
1101 fields[argp++] = TypeLong::LONG; // inv
1102 fields[argp++] = Type::HALF;
1103 fields[argp++] = TypePtr::NOTNULL; // result
1104 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
1105 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
1106
1107 // result type needed
1108 fields = TypeTuple::fields(1);
1109 fields[TypeFunc::Parms+0] = TypePtr::NOTNULL;
1110
1111 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields);
1112 return TypeFunc::make(domain, range);
1113 }
1114
1115 const TypeFunc * OptoRuntime::bigIntegerShift_Type() {
1116 int argcnt = 5;
1117 const Type** fields = TypeTuple::fields(argcnt);
1118 int argp = TypeFunc::Parms;
1119 fields[argp++] = TypePtr::NOTNULL; // newArr
1120 fields[argp++] = TypePtr::NOTNULL; // oldArr
1121 fields[argp++] = TypeInt::INT; // newIdx
1122 fields[argp++] = TypeInt::INT; // shiftCount
1123 fields[argp++] = TypeInt::INT; // numIter
1124 assert(argp == TypeFunc::Parms + argcnt, "correct decoding");
1125 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms + argcnt, fields);
1126
1127 // no result type needed
1128 fields = TypeTuple::fields(1);
1129 fields[TypeFunc::Parms + 0] = NULL;
1130 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields);
1131 return TypeFunc::make(domain, range);
1132 }
1133
1134 const TypeFunc* OptoRuntime::vectorizedMismatch_Type() {
1135 // create input type (domain)
1136 int num_args = 4;
1137 int argcnt = num_args;
1138 const Type** fields = TypeTuple::fields(argcnt);
1139 int argp = TypeFunc::Parms;
1140 fields[argp++] = TypePtr::NOTNULL; // obja
1141 fields[argp++] = TypePtr::NOTNULL; // objb
1142 fields[argp++] = TypeInt::INT; // length, number of elements
1143 fields[argp++] = TypeInt::INT; // log2scale, element size
1144 assert(argp == TypeFunc::Parms + argcnt, "correct decoding");
1145 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms + argcnt, fields);
1146
1147 //return mismatch index (int)
1148 fields = TypeTuple::fields(1);
1149 fields[TypeFunc::Parms + 0] = TypeInt::INT;
1150 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms + 1, fields);
1151 return TypeFunc::make(domain, range);
1152 }
1153
1154 // GHASH block processing
1155 const TypeFunc* OptoRuntime::ghash_processBlocks_Type() {
1156 int argcnt = 4;
1157
1158 const Type** fields = TypeTuple::fields(argcnt);
1159 int argp = TypeFunc::Parms;
1160 fields[argp++] = TypePtr::NOTNULL; // state
1161 fields[argp++] = TypePtr::NOTNULL; // subkeyH
1162 fields[argp++] = TypePtr::NOTNULL; // data
1163 fields[argp++] = TypeInt::INT; // blocks
1164 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
1165 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
1166
1167 // result type needed
1168 fields = TypeTuple::fields(1);
1169 fields[TypeFunc::Parms+0] = NULL; // void
1170 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields);
1171 return TypeFunc::make(domain, range);
1172 }
1173 // Base64 encode function
1174 const TypeFunc* OptoRuntime::base64_encodeBlock_Type() {
1175 int argcnt = 6;
1176
1177 const Type** fields = TypeTuple::fields(argcnt);
1178 int argp = TypeFunc::Parms;
1179 fields[argp++] = TypePtr::NOTNULL; // src array
1180 fields[argp++] = TypeInt::INT; // offset
1181 fields[argp++] = TypeInt::INT; // length
1182 fields[argp++] = TypePtr::NOTNULL; // dest array
1183 fields[argp++] = TypeInt::INT; // dp
1184 fields[argp++] = TypeInt::BOOL; // isURL
1185 assert(argp == TypeFunc::Parms + argcnt, "correct decoding");
1186 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
1187
1188 // result type needed
1189 fields = TypeTuple::fields(1);
1190 fields[TypeFunc::Parms + 0] = NULL; // void
1191 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields);
1192 return TypeFunc::make(domain, range);
1193 }
1194
1195 //------------- Interpreter state access for on stack replacement
1196 const TypeFunc* OptoRuntime::osr_end_Type() {
1197 // create input type (domain)
1198 const Type **fields = TypeTuple::fields(1);
1199 fields[TypeFunc::Parms+0] = TypeRawPtr::BOTTOM; // OSR temp buf
1200 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields);
1201
1202 // create result type
1203 fields = TypeTuple::fields(1);
1204 // fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // locked oop
1205 fields[TypeFunc::Parms+0] = NULL; // void
1206 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields);
1207 return TypeFunc::make(domain, range);
1208 }
1209
1210 //-------------- methodData update helpers
1211
1212 const TypeFunc* OptoRuntime::profile_receiver_type_Type() {
1213 // create input type (domain)
1214 const Type **fields = TypeTuple::fields(2);
1215 fields[TypeFunc::Parms+0] = TypeAryPtr::NOTNULL; // methodData pointer
1216 fields[TypeFunc::Parms+1] = TypeInstPtr::BOTTOM; // receiver oop
1217 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields);
1218
1219 // create result type
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 JRT_LEAF(void, OptoRuntime::profile_receiver_type_C(DataLayout* data, oopDesc* receiver))
1227 if (receiver == NULL) return;
1228 Klass* receiver_klass = receiver->klass();
1229
1230 intptr_t* mdp = ((intptr_t*)(data)) + DataLayout::header_size_in_cells();
1231 int empty_row = -1; // free row, if any is encountered
1232
1233 // ReceiverTypeData* vc = new ReceiverTypeData(mdp);
1234 for (uint row = 0; row < ReceiverTypeData::row_limit(); row++) {
1235 // if (vc->receiver(row) == receiver_klass)
1236 int receiver_off = ReceiverTypeData::receiver_cell_index(row);
1237 intptr_t row_recv = *(mdp + receiver_off);
1238 if (row_recv == (intptr_t) receiver_klass) {
1239 // vc->set_receiver_count(row, vc->receiver_count(row) + DataLayout::counter_increment);
1240 int count_off = ReceiverTypeData::receiver_count_cell_index(row);
1241 *(mdp + count_off) += DataLayout::counter_increment;
1242 return;
1243 } else if (row_recv == 0) {
1244 // else if (vc->receiver(row) == NULL)
1245 empty_row = (int) row;
1246 }
1247 }
1248
1249 if (empty_row != -1) {
1250 int receiver_off = ReceiverTypeData::receiver_cell_index(empty_row);
1251 // vc->set_receiver(empty_row, receiver_klass);
1252 *(mdp + receiver_off) = (intptr_t) receiver_klass;
1253 // vc->set_receiver_count(empty_row, DataLayout::counter_increment);
1254 int count_off = ReceiverTypeData::receiver_count_cell_index(empty_row);
1255 *(mdp + count_off) = DataLayout::counter_increment;
1256 } else {
1257 // Receiver did not match any saved receiver and there is no empty row for it.
1258 // Increment total counter to indicate polymorphic case.
1259 intptr_t* count_p = (intptr_t*)(((uint8_t*)(data)) + in_bytes(CounterData::count_offset()));
1260 *count_p += DataLayout::counter_increment;
1261 }
1262 JRT_END
1263
1264 //-------------------------------------------------------------------------------------
1265 // register policy
1266
1267 bool OptoRuntime::is_callee_saved_register(MachRegisterNumbers reg) {
1268 assert(reg >= 0 && reg < _last_Mach_Reg, "must be a machine register");
1269 switch (register_save_policy[reg]) {
1270 case 'C': return false; //SOC
1271 case 'E': return true ; //SOE
1272 case 'N': return false; //NS
1273 case 'A': return false; //AS
1274 }
1275 ShouldNotReachHere();
1276 return false;
1277 }
1278
1279 //-----------------------------------------------------------------------
1280 // Exceptions
1281 //
1282
1283 static void trace_exception(outputStream* st, oop exception_oop, address exception_pc, const char* msg);
1284
1285 // The method is an entry that is always called by a C++ method not
1286 // directly from compiled code. Compiled code will call the C++ method following.
1287 // We can't allow async exception to be installed during exception processing.
1288 JRT_ENTRY_NO_ASYNC(address, OptoRuntime::handle_exception_C_helper(JavaThread* thread, nmethod* &nm))
1289
1290 // Do not confuse exception_oop with pending_exception. The exception_oop
1291 // is only used to pass arguments into the method. Not for general
1292 // exception handling. DO NOT CHANGE IT to use pending_exception, since
1293 // the runtime stubs checks this on exit.
1294 assert(thread->exception_oop() != NULL, "exception oop is found");
1295 address handler_address = NULL;
1296
1297 Handle exception(thread, thread->exception_oop());
1298 address pc = thread->exception_pc();
1299
1300 // Clear out the exception oop and pc since looking up an
1301 // exception handler can cause class loading, which might throw an
1302 // exception and those fields are expected to be clear during
1303 // normal bytecode execution.
1304 thread->clear_exception_oop_and_pc();
1305
1306 LogTarget(Info, exceptions) lt;
1307 if (lt.is_enabled()) {
1308 ResourceMark rm;
1309 LogStream ls(lt);
1310 trace_exception(&ls, exception(), pc, "");
1311 }
1312
1313 // for AbortVMOnException flag
1314 Exceptions::debug_check_abort(exception);
1315
1316 #ifdef ASSERT
1317 if (!(exception->is_a(SystemDictionary::Throwable_klass()))) {
1318 // should throw an exception here
1319 ShouldNotReachHere();
1320 }
1321 #endif
1322
1323 // new exception handling: this method is entered only from adapters
1324 // exceptions from compiled java methods are handled in compiled code
1325 // using rethrow node
1326
1327 nm = CodeCache::find_nmethod(pc);
1328 assert(nm != NULL, "No NMethod found");
1329 if (nm->is_native_method()) {
1330 fatal("Native method should not have path to exception handling");
1331 } else {
1332 // we are switching to old paradigm: search for exception handler in caller_frame
1333 // instead in exception handler of caller_frame.sender()
1334
1335 if (JvmtiExport::can_post_on_exceptions()) {
1336 // "Full-speed catching" is not necessary here,
1337 // since we're notifying the VM on every catch.
1338 // Force deoptimization and the rest of the lookup
1339 // will be fine.
1340 deoptimize_caller_frame(thread);
1341 }
1342
1343 // Check the stack guard pages. If enabled, look for handler in this frame;
1344 // otherwise, forcibly unwind the frame.
1345 //
1346 // 4826555: use default current sp for reguard_stack instead of &nm: it's more accurate.
1347 bool force_unwind = !thread->reguard_stack();
1348 bool deopting = false;
1349 if (nm->is_deopt_pc(pc)) {
1350 deopting = true;
1351 RegisterMap map(thread, false);
1352 frame deoptee = thread->last_frame().sender(&map);
1353 assert(deoptee.is_deoptimized_frame(), "must be deopted");
1354 // Adjust the pc back to the original throwing pc
1355 pc = deoptee.pc();
1356 }
1357
1358 // If we are forcing an unwind because of stack overflow then deopt is
1359 // irrelevant since we are throwing the frame away anyway.
1360
1361 if (deopting && !force_unwind) {
1362 handler_address = SharedRuntime::deopt_blob()->unpack_with_exception();
1363 } else {
1364
1365 handler_address =
1366 force_unwind ? NULL : nm->handler_for_exception_and_pc(exception, pc);
1367
1368 if (handler_address == NULL) {
1369 bool recursive_exception = false;
1370 handler_address = SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, force_unwind, true, recursive_exception);
1371 assert (handler_address != NULL, "must have compiled handler");
1372 // Update the exception cache only when the unwind was not forced
1373 // and there didn't happen another exception during the computation of the
1374 // compiled exception handler. Checking for exception oop equality is not
1375 // sufficient because some exceptions are pre-allocated and reused.
1376 if (!force_unwind && !recursive_exception) {
1377 nm->add_handler_for_exception_and_pc(exception,pc,handler_address);
1378 }
1379 } else {
1380 #ifdef ASSERT
1381 bool recursive_exception = false;
1382 address computed_address = SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, force_unwind, true, recursive_exception);
1383 vmassert(recursive_exception || (handler_address == computed_address), "Handler address inconsistency: " PTR_FORMAT " != " PTR_FORMAT,
1384 p2i(handler_address), p2i(computed_address));
1385 #endif
1386 }
1387 }
1388
1389 thread->set_exception_pc(pc);
1390 thread->set_exception_handler_pc(handler_address);
1391
1392 // Check if the exception PC is a MethodHandle call site.
1393 thread->set_is_method_handle_return(nm->is_method_handle_return(pc));
1394 }
1395
1396 // Restore correct return pc. Was saved above.
1397 thread->set_exception_oop(exception());
1398 return handler_address;
1399
1400 JRT_END
1401
1402 // We are entering here from exception_blob
1403 // If there is a compiled exception handler in this method, we will continue there;
1404 // otherwise we will unwind the stack and continue at the caller of top frame method
1405 // Note we enter without the usual JRT wrapper. We will call a helper routine that
1406 // will do the normal VM entry. We do it this way so that we can see if the nmethod
1407 // we looked up the handler for has been deoptimized in the meantime. If it has been
1408 // we must not use the handler and instead return the deopt blob.
1409 address OptoRuntime::handle_exception_C(JavaThread* thread) {
1410 //
1411 // We are in Java not VM and in debug mode we have a NoHandleMark
1412 //
1413 #ifndef PRODUCT
1414 SharedRuntime::_find_handler_ctr++; // find exception handler
1415 #endif
1416 debug_only(NoHandleMark __hm;)
1417 nmethod* nm = NULL;
1418 address handler_address = NULL;
1419 {
1420 // Enter the VM
1421
1422 ResetNoHandleMark rnhm;
1423 handler_address = handle_exception_C_helper(thread, nm);
1424 }
1425
1426 // Back in java: Use no oops, DON'T safepoint
1427
1428 // Now check to see if the handler we are returning is in a now
1429 // deoptimized frame
1430
1431 if (nm != NULL) {
1432 RegisterMap map(thread, false);
1433 frame caller = thread->last_frame().sender(&map);
1434 #ifdef ASSERT
1435 assert(caller.is_compiled_frame(), "must be");
1436 #endif // ASSERT
1437 if (caller.is_deoptimized_frame()) {
1438 handler_address = SharedRuntime::deopt_blob()->unpack_with_exception();
1439 }
1440 }
1441 return handler_address;
1442 }
1443
1444 //------------------------------rethrow----------------------------------------
1445 // We get here after compiled code has executed a 'RethrowNode'. The callee
1446 // is either throwing or rethrowing an exception. The callee-save registers
1447 // have been restored, synchronized objects have been unlocked and the callee
1448 // stack frame has been removed. The return address was passed in.
1449 // Exception oop is passed as the 1st argument. This routine is then called
1450 // from the stub. On exit, we know where to jump in the caller's code.
1451 // After this C code exits, the stub will pop his frame and end in a jump
1452 // (instead of a return). We enter the caller's default handler.
1453 //
1454 // This must be JRT_LEAF:
1455 // - caller will not change its state as we cannot block on exit,
1456 // therefore raw_exception_handler_for_return_address is all it takes
1457 // to handle deoptimized blobs
1458 //
1459 // However, there needs to be a safepoint check in the middle! So compiled
1460 // safepoints are completely watertight.
1461 //
1462 // Thus, it cannot be a leaf since it contains the NoSafepointVerifier.
1463 //
1464 // *THIS IS NOT RECOMMENDED PROGRAMMING STYLE*
1465 //
1466 address OptoRuntime::rethrow_C(oopDesc* exception, JavaThread* thread, address ret_pc) {
1467 #ifndef PRODUCT
1468 SharedRuntime::_rethrow_ctr++; // count rethrows
1469 #endif
1470 assert (exception != NULL, "should have thrown a NULLPointerException");
1471 #ifdef ASSERT
1472 if (!(exception->is_a(SystemDictionary::Throwable_klass()))) {
1473 // should throw an exception here
1474 ShouldNotReachHere();
1475 }
1476 #endif
1477
1478 thread->set_vm_result(exception);
1479 // Frame not compiled (handles deoptimization blob)
1480 return SharedRuntime::raw_exception_handler_for_return_address(thread, ret_pc);
1481 }
1482
1483
1484 const TypeFunc *OptoRuntime::rethrow_Type() {
1485 // create input type (domain)
1486 const Type **fields = TypeTuple::fields(1);
1487 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Exception oop
1488 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1,fields);
1489
1490 // create result type (range)
1491 fields = TypeTuple::fields(1);
1492 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Exception oop
1493 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields);
1494
1495 return TypeFunc::make(domain, range);
1496 }
1497
1498
1499 void OptoRuntime::deoptimize_caller_frame(JavaThread *thread, bool doit) {
1500 // Deoptimize the caller before continuing, as the compiled
1501 // exception handler table may not be valid.
1502 if (!StressCompiledExceptionHandlers && doit) {
1503 deoptimize_caller_frame(thread);
1504 }
1505 }
1506
1507 void OptoRuntime::deoptimize_caller_frame(JavaThread *thread) {
1508 // Called from within the owner thread, so no need for safepoint
1509 RegisterMap reg_map(thread);
1510 frame stub_frame = thread->last_frame();
1511 assert(stub_frame.is_runtime_frame() || exception_blob()->contains(stub_frame.pc()), "sanity check");
1512 frame caller_frame = stub_frame.sender(®_map);
1513
1514 // Deoptimize the caller frame.
1515 Deoptimization::deoptimize_frame(thread, caller_frame.id());
1516 }
1517
1518
1519 bool OptoRuntime::is_deoptimized_caller_frame(JavaThread *thread) {
1520 // Called from within the owner thread, so no need for safepoint
1521 RegisterMap reg_map(thread);
1522 frame stub_frame = thread->last_frame();
1523 assert(stub_frame.is_runtime_frame() || exception_blob()->contains(stub_frame.pc()), "sanity check");
1524 frame caller_frame = stub_frame.sender(®_map);
1525 return caller_frame.is_deoptimized_frame();
1526 }
1527
1528
1529 const TypeFunc *OptoRuntime::register_finalizer_Type() {
1530 // create input type (domain)
1531 const Type **fields = TypeTuple::fields(1);
1532 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // oop; Receiver
1533 // // The JavaThread* is passed to each routine as the last argument
1534 // fields[TypeFunc::Parms+1] = TypeRawPtr::NOTNULL; // JavaThread *; Executing thread
1535 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1,fields);
1536
1537 // create result type (range)
1538 fields = TypeTuple::fields(0);
1539
1540 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields);
1541
1542 return TypeFunc::make(domain,range);
1543 }
1544
1545
1546 //-----------------------------------------------------------------------------
1547 // Dtrace support. entry and exit probes have the same signature
1548 const TypeFunc *OptoRuntime::dtrace_method_entry_exit_Type() {
1549 // create input type (domain)
1550 const Type **fields = TypeTuple::fields(2);
1551 fields[TypeFunc::Parms+0] = TypeRawPtr::BOTTOM; // Thread-local storage
1552 fields[TypeFunc::Parms+1] = TypeMetadataPtr::BOTTOM; // Method*; Method we are entering
1553 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields);
1554
1555 // create result type (range)
1556 fields = TypeTuple::fields(0);
1557
1558 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields);
1559
1560 return TypeFunc::make(domain,range);
1561 }
1562
1563 const TypeFunc *OptoRuntime::dtrace_object_alloc_Type() {
1564 // create input type (domain)
1565 const Type **fields = TypeTuple::fields(2);
1566 fields[TypeFunc::Parms+0] = TypeRawPtr::BOTTOM; // Thread-local storage
1567 fields[TypeFunc::Parms+1] = TypeInstPtr::NOTNULL; // oop; newly allocated object
1568
1569 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields);
1570
1571 // create result type (range)
1572 fields = TypeTuple::fields(0);
1573
1574 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields);
1575
1576 return TypeFunc::make(domain,range);
1577 }
1578
1579
1580 JRT_ENTRY_NO_ASYNC(void, OptoRuntime::register_finalizer(oopDesc* obj, JavaThread* thread))
1581 assert(oopDesc::is_oop(obj), "must be a valid oop");
1582 assert(obj->klass()->has_finalizer(), "shouldn't be here otherwise");
1583 InstanceKlass::register_finalizer(instanceOop(obj), CHECK);
1584 JRT_END
1585
1586 //-----------------------------------------------------------------------------
1587
1588 NamedCounter * volatile OptoRuntime::_named_counters = NULL;
1589
1590 //
1591 // dump the collected NamedCounters.
1592 //
1593 void OptoRuntime::print_named_counters() {
1594 int total_lock_count = 0;
1595 int eliminated_lock_count = 0;
1596
1597 NamedCounter* c = _named_counters;
1598 while (c) {
1599 if (c->tag() == NamedCounter::LockCounter || c->tag() == NamedCounter::EliminatedLockCounter) {
1600 int count = c->count();
1601 if (count > 0) {
1602 bool eliminated = c->tag() == NamedCounter::EliminatedLockCounter;
1603 if (Verbose) {
1604 tty->print_cr("%d %s%s", count, c->name(), eliminated ? " (eliminated)" : "");
1605 }
1606 total_lock_count += count;
1607 if (eliminated) {
1608 eliminated_lock_count += count;
1609 }
1610 }
1611 } else if (c->tag() == NamedCounter::BiasedLockingCounter) {
1612 BiasedLockingCounters* blc = ((BiasedLockingNamedCounter*)c)->counters();
1613 if (blc->nonzero()) {
1614 tty->print_cr("%s", c->name());
1615 blc->print_on(tty);
1616 }
1617 #if INCLUDE_RTM_OPT
1618 } else if (c->tag() == NamedCounter::RTMLockingCounter) {
1619 RTMLockingCounters* rlc = ((RTMLockingNamedCounter*)c)->counters();
1620 if (rlc->nonzero()) {
1621 tty->print_cr("%s", c->name());
1622 rlc->print_on(tty);
1623 }
1624 #endif
1625 }
1626 c = c->next();
1627 }
1628 if (total_lock_count > 0) {
1629 tty->print_cr("dynamic locks: %d", total_lock_count);
1630 if (eliminated_lock_count) {
1631 tty->print_cr("eliminated locks: %d (%d%%)", eliminated_lock_count,
1632 (int)(eliminated_lock_count * 100.0 / total_lock_count));
1633 }
1634 }
1635 }
1636
1637 //
1638 // Allocate a new NamedCounter. The JVMState is used to generate the
1639 // name which consists of method@line for the inlining tree.
1640 //
1641
1642 NamedCounter* OptoRuntime::new_named_counter(JVMState* youngest_jvms, NamedCounter::CounterTag tag) {
1643 int max_depth = youngest_jvms->depth();
1644
1645 // Visit scopes from youngest to oldest.
1646 bool first = true;
1647 stringStream st;
1648 for (int depth = max_depth; depth >= 1; depth--) {
1649 JVMState* jvms = youngest_jvms->of_depth(depth);
1650 ciMethod* m = jvms->has_method() ? jvms->method() : NULL;
1651 if (!first) {
1652 st.print(" ");
1653 } else {
1654 first = false;
1655 }
1656 int bci = jvms->bci();
1657 if (bci < 0) bci = 0;
1658 if (m != NULL) {
1659 st.print("%s.%s", m->holder()->name()->as_utf8(), m->name()->as_utf8());
1660 } else {
1661 st.print("no method");
1662 }
1663 st.print("@%d", bci);
1664 // To print linenumbers instead of bci use: m->line_number_from_bci(bci)
1665 }
1666 NamedCounter* c;
1667 if (tag == NamedCounter::BiasedLockingCounter) {
1668 c = new BiasedLockingNamedCounter(st.as_string());
1669 } else if (tag == NamedCounter::RTMLockingCounter) {
1670 c = new RTMLockingNamedCounter(st.as_string());
1671 } else {
1672 c = new NamedCounter(st.as_string(), tag);
1673 }
1674
1675 // atomically add the new counter to the head of the list. We only
1676 // add counters so this is safe.
1677 NamedCounter* head;
1678 do {
1679 c->set_next(NULL);
1680 head = _named_counters;
1681 c->set_next(head);
1682 } while (Atomic::cmpxchg(&_named_counters, head, c) != head);
1683 return c;
1684 }
1685
1686 int trace_exception_counter = 0;
1687 static void trace_exception(outputStream* st, oop exception_oop, address exception_pc, const char* msg) {
1688 trace_exception_counter++;
1689 stringStream tempst;
1690
1691 tempst.print("%d [Exception (%s): ", trace_exception_counter, msg);
1692 exception_oop->print_value_on(&tempst);
1693 tempst.print(" in ");
1694 CodeBlob* blob = CodeCache::find_blob(exception_pc);
1695 if (blob->is_compiled()) {
1696 CompiledMethod* cm = blob->as_compiled_method_or_null();
1697 cm->method()->print_value_on(&tempst);
1698 } else if (blob->is_runtime_stub()) {
1699 tempst.print("<runtime-stub>");
1700 } else {
1701 tempst.print("<unknown>");
1702 }
1703 tempst.print(" at " INTPTR_FORMAT, p2i(exception_pc));
1704 tempst.print("]");
1705
1706 st->print_raw_cr(tempst.as_string());
1707 }