1 /*
2 * Copyright (c) 1998, 2015, 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/compiledIC.hpp"
30 #include "code/icBuffer.hpp"
31 #include "code/nmethod.hpp"
32 #include "code/pcDesc.hpp"
33 #include "code/scopeDesc.hpp"
34 #include "code/vtableStubs.hpp"
35 #include "compiler/compileBroker.hpp"
36 #include "compiler/oopMap.hpp"
37 #include "gc/g1/g1SATBCardTableModRefBS.hpp"
38 #include "gc/g1/heapRegion.hpp"
39 #include "gc/shared/barrierSet.hpp"
40 #include "gc/shared/collectedHeap.hpp"
41 #include "gc/shared/gcLocker.inline.hpp"
42 #include "interpreter/bytecode.hpp"
43 #include "interpreter/interpreter.hpp"
44 #include "interpreter/linkResolver.hpp"
45 #include "logging/log.hpp"
46 #include "memory/oopFactory.hpp"
47 #include "oops/objArrayKlass.hpp"
48 #include "oops/oop.inline.hpp"
49 #include "oops/typeArrayOop.inline.hpp"
50 #include "opto/ad.hpp"
51 #include "opto/addnode.hpp"
52 #include "opto/callnode.hpp"
53 #include "opto/cfgnode.hpp"
54 #include "opto/graphKit.hpp"
55 #include "opto/machnode.hpp"
56 #include "opto/matcher.hpp"
57 #include "opto/memnode.hpp"
58 #include "opto/mulnode.hpp"
59 #include "opto/runtime.hpp"
60 #include "opto/subnode.hpp"
61 #include "runtime/atomic.inline.hpp"
62 #include "runtime/fprofiler.hpp"
63 #include "runtime/handles.inline.hpp"
64 #include "runtime/interfaceSupport.hpp"
65 #include "runtime/javaCalls.hpp"
66 #include "runtime/sharedRuntime.hpp"
67 #include "runtime/signature.hpp"
68 #include "runtime/threadCritical.hpp"
69 #include "runtime/vframe.hpp"
70 #include "runtime/vframeArray.hpp"
71 #include "runtime/vframe_hp.hpp"
72 #include "utilities/copy.hpp"
73 #include "utilities/preserveException.hpp"
74
75
76 // For debugging purposes:
77 // To force FullGCALot inside a runtime function, add the following two lines
78 //
79 // Universe::release_fullgc_alot_dummy();
80 // MarkSweep::invoke(0, "Debugging");
81 //
82 // At command line specify the parameters: -XX:+FullGCALot -XX:FullGCALotStart=100000000
83
84
85
86
87 // Compiled code entry points
88 address OptoRuntime::_new_instance_Java = NULL;
89 address OptoRuntime::_new_array_Java = NULL;
90 address OptoRuntime::_new_array_nozero_Java = NULL;
91 address OptoRuntime::_multianewarray2_Java = NULL;
92 address OptoRuntime::_multianewarray3_Java = NULL;
93 address OptoRuntime::_multianewarray4_Java = NULL;
94 address OptoRuntime::_multianewarray5_Java = NULL;
95 address OptoRuntime::_multianewarrayN_Java = NULL;
96 address OptoRuntime::_g1_wb_pre_Java = NULL;
97 address OptoRuntime::_g1_wb_post_Java = NULL;
98 address OptoRuntime::_vtable_must_compile_Java = NULL;
99 address OptoRuntime::_complete_monitor_locking_Java = NULL;
100 address OptoRuntime::_monitor_notify_Java = NULL;
101 address OptoRuntime::_monitor_notifyAll_Java = NULL;
102 address OptoRuntime::_rethrow_Java = NULL;
103
104 address OptoRuntime::_slow_arraycopy_Java = NULL;
105 address OptoRuntime::_register_finalizer_Java = NULL;
106
107 ExceptionBlob* OptoRuntime::_exception_blob;
108
109 // This should be called in an assertion at the start of OptoRuntime routines
110 // which are entered from compiled code (all of them)
111 #ifdef ASSERT
112 static bool check_compiled_frame(JavaThread* thread) {
113 assert(thread->last_frame().is_runtime_frame(), "cannot call runtime directly from compiled code");
114 RegisterMap map(thread, false);
115 frame caller = thread->last_frame().sender(&map);
116 assert(caller.is_compiled_frame(), "not being called from compiled like code");
117 return true;
118 }
119 #endif // ASSERT
120
121
122 #define gen(env, var, type_func_gen, c_func, fancy_jump, pass_tls, save_arg_regs, return_pc) \
123 var = generate_stub(env, type_func_gen, CAST_FROM_FN_PTR(address, c_func), #var, fancy_jump, pass_tls, save_arg_regs, return_pc); \
124 if (var == NULL) { return false; }
125
126 bool OptoRuntime::generate(ciEnv* env) {
127
128 generate_exception_blob();
129
130 // Note: tls: Means fetching the return oop out of the thread-local storage
131 //
132 // variable/name type-function-gen , runtime method ,fncy_jp, tls,save_args,retpc
133 // -------------------------------------------------------------------------------------------------------------------------------
134 gen(env, _new_instance_Java , new_instance_Type , new_instance_C , 0 , true , false, false);
135 gen(env, _new_array_Java , new_array_Type , new_array_C , 0 , true , false, false);
136 gen(env, _new_array_nozero_Java , new_array_Type , new_array_nozero_C , 0 , true , false, false);
137 gen(env, _multianewarray2_Java , multianewarray2_Type , multianewarray2_C , 0 , true , false, false);
138 gen(env, _multianewarray3_Java , multianewarray3_Type , multianewarray3_C , 0 , true , false, false);
139 gen(env, _multianewarray4_Java , multianewarray4_Type , multianewarray4_C , 0 , true , false, false);
140 gen(env, _multianewarray5_Java , multianewarray5_Type , multianewarray5_C , 0 , true , false, false);
141 gen(env, _multianewarrayN_Java , multianewarrayN_Type , multianewarrayN_C , 0 , true , false, false);
142 gen(env, _g1_wb_pre_Java , g1_wb_pre_Type , SharedRuntime::g1_wb_pre , 0 , false, false, false);
143 gen(env, _g1_wb_post_Java , g1_wb_post_Type , SharedRuntime::g1_wb_post , 0 , false, false, false);
144 gen(env, _complete_monitor_locking_Java , complete_monitor_enter_Type , SharedRuntime::complete_monitor_locking_C, 0, false, false, false);
145 gen(env, _monitor_notify_Java , monitor_notify_Type , monitor_notify_C , 0 , false, false, false);
146 gen(env, _monitor_notifyAll_Java , monitor_notify_Type , monitor_notifyAll_C , 0 , false, false, false);
147 gen(env, _rethrow_Java , rethrow_Type , rethrow_C , 2 , true , false, true );
148
149 gen(env, _slow_arraycopy_Java , slow_arraycopy_Type , SharedRuntime::slow_arraycopy_C , 0 , false, false, false);
150 gen(env, _register_finalizer_Java , register_finalizer_Type , register_finalizer , 0 , false, false, false);
151
152 return true;
153 }
154
155 #undef gen
156
157
158 // Helper method to do generation of RunTimeStub's
159 address OptoRuntime::generate_stub( ciEnv* env,
160 TypeFunc_generator gen, address C_function,
161 const char *name, int is_fancy_jump,
162 bool pass_tls,
163 bool save_argument_registers,
164 bool return_pc) {
165
166
167 ResourceMark rm;
168 Compile C( env, gen, C_function, name, is_fancy_jump, pass_tls, save_argument_registers, return_pc);
169 return C.stub_entry_point();
170 }
171
172 const char* OptoRuntime::stub_name(address entry) {
173 #ifndef PRODUCT
174 CodeBlob* cb = CodeCache::find_blob(entry);
175 RuntimeStub* rs =(RuntimeStub *)cb;
176 assert(rs != NULL && rs->is_runtime_stub(), "not a runtime stub");
177 return rs->name();
178 #else
179 // Fast implementation for product mode (maybe it should be inlined too)
180 return "runtime stub";
181 #endif
182 }
183
184
185 //=============================================================================
186 // Opto compiler runtime routines
187 //=============================================================================
188
189
190 //=============================allocation======================================
191 // We failed the fast-path allocation. Now we need to do a scavenge or GC
192 // and try allocation again.
193
194 void OptoRuntime::new_store_pre_barrier(JavaThread* thread) {
195 // After any safepoint, just before going back to compiled code,
196 // we inform the GC that we will be doing initializing writes to
197 // this object in the future without emitting card-marks, so
198 // GC may take any compensating steps.
199 // NOTE: Keep this code consistent with GraphKit::store_barrier.
200
201 oop new_obj = thread->vm_result();
202 if (new_obj == NULL) return;
203
204 assert(Universe::heap()->can_elide_tlab_store_barriers(),
205 "compiler must check this first");
206 // GC may decide to give back a safer copy of new_obj.
207 new_obj = Universe::heap()->new_store_pre_barrier(thread, new_obj);
208 thread->set_vm_result(new_obj);
209 }
210
211 // object allocation
212 JRT_BLOCK_ENTRY(void, OptoRuntime::new_instance_C(Klass* klass, JavaThread* thread))
213 JRT_BLOCK;
214 #ifndef PRODUCT
215 SharedRuntime::_new_instance_ctr++; // new instance requires GC
216 #endif
217 assert(check_compiled_frame(thread), "incorrect caller");
218
219 // These checks are cheap to make and support reflective allocation.
220 int lh = klass->layout_helper();
221 if (Klass::layout_helper_needs_slow_path(lh)
222 || !InstanceKlass::cast(klass)->is_initialized()) {
223 KlassHandle kh(THREAD, klass);
224 kh->check_valid_for_instantiation(false, THREAD);
225 if (!HAS_PENDING_EXCEPTION) {
226 InstanceKlass::cast(kh())->initialize(THREAD);
227 }
228 if (!HAS_PENDING_EXCEPTION) {
229 klass = kh();
230 } else {
231 klass = NULL;
232 }
233 }
234
235 if (klass != NULL) {
236 // Scavenge and allocate an instance.
237 oop result = InstanceKlass::cast(klass)->allocate_instance(THREAD);
238 thread->set_vm_result(result);
239
240 // Pass oops back through thread local storage. Our apparent type to Java
241 // is that we return an oop, but we can block on exit from this routine and
242 // a GC can trash the oop in C's return register. The generated stub will
243 // fetch the oop from TLS after any possible GC.
244 }
245
246 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION);
247 JRT_BLOCK_END;
248
249 if (GraphKit::use_ReduceInitialCardMarks()) {
250 // inform GC that we won't do card marks for initializing writes.
251 new_store_pre_barrier(thread);
252 }
253 JRT_END
254
255
256 // array allocation
257 JRT_BLOCK_ENTRY(void, OptoRuntime::new_array_C(Klass* array_type, int len, JavaThread *thread))
258 JRT_BLOCK;
259 #ifndef PRODUCT
260 SharedRuntime::_new_array_ctr++; // new array requires GC
261 #endif
262 assert(check_compiled_frame(thread), "incorrect caller");
263
264 // Scavenge and allocate an instance.
265 oop result;
266
267 if (array_type->is_typeArray_klass()) {
268 // The oopFactory likes to work with the element type.
269 // (We could bypass the oopFactory, since it doesn't add much value.)
270 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type();
271 result = oopFactory::new_typeArray(elem_type, len, THREAD);
272 } else {
273 // Although the oopFactory likes to work with the elem_type,
274 // the compiler prefers the array_type, since it must already have
275 // that latter value in hand for the fast path.
276 Klass* elem_type = ObjArrayKlass::cast(array_type)->element_klass();
277 result = oopFactory::new_objArray(elem_type, len, THREAD);
278 }
279
280 // Pass oops back through thread local storage. Our apparent type to Java
281 // is that we return an oop, but we can block on exit from this routine and
282 // a GC can trash the oop in C's return register. The generated stub will
283 // fetch the oop from TLS after any possible GC.
284 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION);
285 thread->set_vm_result(result);
286 JRT_BLOCK_END;
287
288 if (GraphKit::use_ReduceInitialCardMarks()) {
289 // inform GC that we won't do card marks for initializing writes.
290 new_store_pre_barrier(thread);
291 }
292 JRT_END
293
294 // array allocation without zeroing
295 JRT_BLOCK_ENTRY(void, OptoRuntime::new_array_nozero_C(Klass* array_type, int len, JavaThread *thread))
296 JRT_BLOCK;
297 #ifndef PRODUCT
298 SharedRuntime::_new_array_ctr++; // new array requires GC
299 #endif
300 assert(check_compiled_frame(thread), "incorrect caller");
301
302 // Scavenge and allocate an instance.
303 oop result;
304
305 assert(array_type->is_typeArray_klass(), "should be called only for type array");
306 // The oopFactory likes to work with the element type.
307 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type();
308 result = oopFactory::new_typeArray_nozero(elem_type, len, THREAD);
309
310 // Pass oops back through thread local storage. Our apparent type to Java
311 // is that we return an oop, but we can block on exit from this routine and
312 // a GC can trash the oop in C's return register. The generated stub will
313 // fetch the oop from TLS after any possible GC.
314 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION);
315 thread->set_vm_result(result);
316 JRT_BLOCK_END;
317
318 if (GraphKit::use_ReduceInitialCardMarks()) {
319 // inform GC that we won't do card marks for initializing writes.
320 new_store_pre_barrier(thread);
321 }
322
323 oop result = thread->vm_result();
324 if ((len > 0) && (result != NULL) &&
325 is_deoptimized_caller_frame(thread)) {
326 // Zero array here if the caller is deoptimized.
327 int size = ((typeArrayOop)result)->object_size();
328 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type();
329 const size_t hs = arrayOopDesc::header_size(elem_type);
330 // Align to next 8 bytes to avoid trashing arrays's length.
331 const size_t aligned_hs = align_object_offset(hs);
332 HeapWord* obj = (HeapWord*)result;
333 if (aligned_hs > hs) {
334 Copy::zero_to_words(obj+hs, aligned_hs-hs);
335 }
336 // Optimized zeroing.
337 Copy::fill_to_aligned_words(obj+aligned_hs, size-aligned_hs);
338 }
339
340 JRT_END
341
342 // Note: multianewarray for one dimension is handled inline by GraphKit::new_array.
343
344 // multianewarray for 2 dimensions
345 JRT_ENTRY(void, OptoRuntime::multianewarray2_C(Klass* elem_type, int len1, int len2, JavaThread *thread))
346 #ifndef PRODUCT
347 SharedRuntime::_multi2_ctr++; // multianewarray for 1 dimension
348 #endif
349 assert(check_compiled_frame(thread), "incorrect caller");
350 assert(elem_type->is_klass(), "not a class");
351 jint dims[2];
352 dims[0] = len1;
353 dims[1] = len2;
354 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(2, dims, THREAD);
355 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION);
356 thread->set_vm_result(obj);
357 JRT_END
358
359 // multianewarray for 3 dimensions
360 JRT_ENTRY(void, OptoRuntime::multianewarray3_C(Klass* elem_type, int len1, int len2, int len3, JavaThread *thread))
361 #ifndef PRODUCT
362 SharedRuntime::_multi3_ctr++; // multianewarray for 1 dimension
363 #endif
364 assert(check_compiled_frame(thread), "incorrect caller");
365 assert(elem_type->is_klass(), "not a class");
366 jint dims[3];
367 dims[0] = len1;
368 dims[1] = len2;
369 dims[2] = len3;
370 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(3, dims, THREAD);
371 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION);
372 thread->set_vm_result(obj);
373 JRT_END
374
375 // multianewarray for 4 dimensions
376 JRT_ENTRY(void, OptoRuntime::multianewarray4_C(Klass* elem_type, int len1, int len2, int len3, int len4, JavaThread *thread))
377 #ifndef PRODUCT
378 SharedRuntime::_multi4_ctr++; // multianewarray for 1 dimension
379 #endif
380 assert(check_compiled_frame(thread), "incorrect caller");
381 assert(elem_type->is_klass(), "not a class");
382 jint dims[4];
383 dims[0] = len1;
384 dims[1] = len2;
385 dims[2] = len3;
386 dims[3] = len4;
387 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(4, dims, THREAD);
388 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION);
389 thread->set_vm_result(obj);
390 JRT_END
391
392 // multianewarray for 5 dimensions
393 JRT_ENTRY(void, OptoRuntime::multianewarray5_C(Klass* elem_type, int len1, int len2, int len3, int len4, int len5, JavaThread *thread))
394 #ifndef PRODUCT
395 SharedRuntime::_multi5_ctr++; // multianewarray for 1 dimension
396 #endif
397 assert(check_compiled_frame(thread), "incorrect caller");
398 assert(elem_type->is_klass(), "not a class");
399 jint dims[5];
400 dims[0] = len1;
401 dims[1] = len2;
402 dims[2] = len3;
403 dims[3] = len4;
404 dims[4] = len5;
405 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(5, dims, THREAD);
406 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION);
407 thread->set_vm_result(obj);
408 JRT_END
409
410 JRT_ENTRY(void, OptoRuntime::multianewarrayN_C(Klass* elem_type, arrayOopDesc* dims, JavaThread *thread))
411 assert(check_compiled_frame(thread), "incorrect caller");
412 assert(elem_type->is_klass(), "not a class");
413 assert(oop(dims)->is_typeArray(), "not an array");
414
415 ResourceMark rm;
416 jint len = dims->length();
417 assert(len > 0, "Dimensions array should contain data");
418 jint *j_dims = typeArrayOop(dims)->int_at_addr(0);
419 jint *c_dims = NEW_RESOURCE_ARRAY(jint, len);
420 Copy::conjoint_jints_atomic(j_dims, c_dims, len);
421
422 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(len, c_dims, THREAD);
423 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION);
424 thread->set_vm_result(obj);
425 JRT_END
426
427 JRT_BLOCK_ENTRY(void, OptoRuntime::monitor_notify_C(oopDesc* obj, JavaThread *thread))
428
429 // Very few notify/notifyAll operations find any threads on the waitset, so
430 // the dominant fast-path is to simply return.
431 // Relatedly, it's critical that notify/notifyAll be fast in order to
432 // reduce lock hold times.
433 if (!SafepointSynchronize::is_synchronizing()) {
434 if (ObjectSynchronizer::quick_notify(obj, thread, false)) {
435 return;
436 }
437 }
438
439 // This is the case the fast-path above isn't provisioned to handle.
440 // The fast-path is designed to handle frequently arising cases in an efficient manner.
441 // (The fast-path is just a degenerate variant of the slow-path).
442 // Perform the dreaded state transition and pass control into the slow-path.
443 JRT_BLOCK;
444 Handle h_obj(THREAD, obj);
445 ObjectSynchronizer::notify(h_obj, CHECK);
446 JRT_BLOCK_END;
447 JRT_END
448
449 JRT_BLOCK_ENTRY(void, OptoRuntime::monitor_notifyAll_C(oopDesc* obj, JavaThread *thread))
450
451 if (!SafepointSynchronize::is_synchronizing() ) {
452 if (ObjectSynchronizer::quick_notify(obj, thread, true)) {
453 return;
454 }
455 }
456
457 // This is the case the fast-path above isn't provisioned to handle.
458 // The fast-path is designed to handle frequently arising cases in an efficient manner.
459 // (The fast-path is just a degenerate variant of the slow-path).
460 // Perform the dreaded state transition and pass control into the slow-path.
461 JRT_BLOCK;
462 Handle h_obj(THREAD, obj);
463 ObjectSynchronizer::notifyall(h_obj, CHECK);
464 JRT_BLOCK_END;
465 JRT_END
466
467 const TypeFunc *OptoRuntime::new_instance_Type() {
468 // create input type (domain)
469 const Type **fields = TypeTuple::fields(1);
470 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Klass to be allocated
471 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields);
472
473 // create result type (range)
474 fields = TypeTuple::fields(1);
475 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop
476
477 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields);
478
479 return TypeFunc::make(domain, range);
480 }
481
482
483 const TypeFunc *OptoRuntime::athrow_Type() {
484 // create input type (domain)
485 const Type **fields = TypeTuple::fields(1);
486 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Klass to be allocated
487 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields);
488
489 // create result type (range)
490 fields = TypeTuple::fields(0);
491
492 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields);
493
494 return TypeFunc::make(domain, range);
495 }
496
497
498 const TypeFunc *OptoRuntime::new_array_Type() {
499 // create input type (domain)
500 const Type **fields = TypeTuple::fields(2);
501 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // element klass
502 fields[TypeFunc::Parms+1] = TypeInt::INT; // array size
503 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields);
504
505 // create result type (range)
506 fields = TypeTuple::fields(1);
507 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop
508
509 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields);
510
511 return TypeFunc::make(domain, range);
512 }
513
514 const TypeFunc *OptoRuntime::multianewarray_Type(int ndim) {
515 // create input type (domain)
516 const int nargs = ndim + 1;
517 const Type **fields = TypeTuple::fields(nargs);
518 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // element klass
519 for( int i = 1; i < nargs; i++ )
520 fields[TypeFunc::Parms + i] = TypeInt::INT; // array size
521 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+nargs, fields);
522
523 // create result type (range)
524 fields = TypeTuple::fields(1);
525 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop
526 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields);
527
528 return TypeFunc::make(domain, range);
529 }
530
531 const TypeFunc *OptoRuntime::multianewarray2_Type() {
532 return multianewarray_Type(2);
533 }
534
535 const TypeFunc *OptoRuntime::multianewarray3_Type() {
536 return multianewarray_Type(3);
537 }
538
539 const TypeFunc *OptoRuntime::multianewarray4_Type() {
540 return multianewarray_Type(4);
541 }
542
543 const TypeFunc *OptoRuntime::multianewarray5_Type() {
544 return multianewarray_Type(5);
545 }
546
547 const TypeFunc *OptoRuntime::multianewarrayN_Type() {
548 // create input type (domain)
549 const Type **fields = TypeTuple::fields(2);
550 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // element klass
551 fields[TypeFunc::Parms+1] = TypeInstPtr::NOTNULL; // array of dim sizes
552 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields);
553
554 // create result type (range)
555 fields = TypeTuple::fields(1);
556 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop
557 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields);
558
559 return TypeFunc::make(domain, range);
560 }
561
562 const TypeFunc *OptoRuntime::g1_wb_pre_Type() {
563 const Type **fields = TypeTuple::fields(2);
564 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // original field value
565 fields[TypeFunc::Parms+1] = TypeRawPtr::NOTNULL; // thread
566 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields);
567
568 // create result type (range)
569 fields = TypeTuple::fields(0);
570 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields);
571
572 return TypeFunc::make(domain, range);
573 }
574
575 const TypeFunc *OptoRuntime::g1_wb_post_Type() {
576
577 const Type **fields = TypeTuple::fields(2);
578 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Card addr
579 fields[TypeFunc::Parms+1] = TypeRawPtr::NOTNULL; // thread
580 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields);
581
582 // create result type (range)
583 fields = TypeTuple::fields(0);
584 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields);
585
586 return TypeFunc::make(domain, range);
587 }
588
589 const TypeFunc *OptoRuntime::uncommon_trap_Type() {
590 // create input type (domain)
591 const Type **fields = TypeTuple::fields(1);
592 fields[TypeFunc::Parms+0] = TypeInt::INT; // trap_reason (deopt reason and action)
593 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields);
594
595 // create result type (range)
596 fields = TypeTuple::fields(0);
597 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields);
598
599 return TypeFunc::make(domain, range);
600 }
601
602 //-----------------------------------------------------------------------------
603 // Monitor Handling
604 const TypeFunc *OptoRuntime::complete_monitor_enter_Type() {
605 // create input type (domain)
606 const Type **fields = TypeTuple::fields(2);
607 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Object to be Locked
608 fields[TypeFunc::Parms+1] = TypeRawPtr::BOTTOM; // Address of stack location for lock
609 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields);
610
611 // create result type (range)
612 fields = TypeTuple::fields(0);
613
614 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields);
615
616 return TypeFunc::make(domain,range);
617 }
618
619
620 //-----------------------------------------------------------------------------
621 const TypeFunc *OptoRuntime::complete_monitor_exit_Type() {
622 // create input type (domain)
623 const Type **fields = TypeTuple::fields(3);
624 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Object to be Locked
625 fields[TypeFunc::Parms+1] = TypeRawPtr::BOTTOM; // Address of stack location for lock - BasicLock
626 fields[TypeFunc::Parms+2] = TypeRawPtr::BOTTOM; // Thread pointer (Self)
627 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+3, fields);
628
629 // create result type (range)
630 fields = TypeTuple::fields(0);
631
632 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields);
633
634 return TypeFunc::make(domain, range);
635 }
636
637 const TypeFunc *OptoRuntime::monitor_notify_Type() {
638 // create input type (domain)
639 const Type **fields = TypeTuple::fields(1);
640 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Object to be Locked
641 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields);
642
643 // create result type (range)
644 fields = TypeTuple::fields(0);
645 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields);
646 return TypeFunc::make(domain, range);
647 }
648
649 const TypeFunc* OptoRuntime::flush_windows_Type() {
650 // create input type (domain)
651 const Type** fields = TypeTuple::fields(1);
652 fields[TypeFunc::Parms+0] = NULL; // void
653 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms, fields);
654
655 // create result type
656 fields = TypeTuple::fields(1);
657 fields[TypeFunc::Parms+0] = NULL; // void
658 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields);
659
660 return TypeFunc::make(domain, range);
661 }
662
663 const TypeFunc* OptoRuntime::l2f_Type() {
664 // create input type (domain)
665 const Type **fields = TypeTuple::fields(2);
666 fields[TypeFunc::Parms+0] = TypeLong::LONG;
667 fields[TypeFunc::Parms+1] = Type::HALF;
668 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields);
669
670 // create result type (range)
671 fields = TypeTuple::fields(1);
672 fields[TypeFunc::Parms+0] = Type::FLOAT;
673 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields);
674
675 return TypeFunc::make(domain, range);
676 }
677
678 const TypeFunc* OptoRuntime::modf_Type() {
679 const Type **fields = TypeTuple::fields(2);
680 fields[TypeFunc::Parms+0] = Type::FLOAT;
681 fields[TypeFunc::Parms+1] = Type::FLOAT;
682 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields);
683
684 // create result type (range)
685 fields = TypeTuple::fields(1);
686 fields[TypeFunc::Parms+0] = Type::FLOAT;
687
688 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields);
689
690 return TypeFunc::make(domain, range);
691 }
692
693 const TypeFunc *OptoRuntime::Math_D_D_Type() {
694 // create input type (domain)
695 const Type **fields = TypeTuple::fields(2);
696 // Symbol* name of class to be loaded
697 fields[TypeFunc::Parms+0] = Type::DOUBLE;
698 fields[TypeFunc::Parms+1] = Type::HALF;
699 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields);
700
701 // create result type (range)
702 fields = TypeTuple::fields(2);
703 fields[TypeFunc::Parms+0] = Type::DOUBLE;
704 fields[TypeFunc::Parms+1] = Type::HALF;
705 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+2, fields);
706
707 return TypeFunc::make(domain, range);
708 }
709
710 const TypeFunc* OptoRuntime::Math_DD_D_Type() {
711 const Type **fields = TypeTuple::fields(4);
712 fields[TypeFunc::Parms+0] = Type::DOUBLE;
713 fields[TypeFunc::Parms+1] = Type::HALF;
714 fields[TypeFunc::Parms+2] = Type::DOUBLE;
715 fields[TypeFunc::Parms+3] = Type::HALF;
716 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+4, fields);
717
718 // create result type (range)
719 fields = TypeTuple::fields(2);
720 fields[TypeFunc::Parms+0] = Type::DOUBLE;
721 fields[TypeFunc::Parms+1] = Type::HALF;
722 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+2, fields);
723
724 return TypeFunc::make(domain, range);
725 }
726
727 //-------------- currentTimeMillis, currentTimeNanos, etc
728
729 const TypeFunc* OptoRuntime::void_long_Type() {
730 // create input type (domain)
731 const Type **fields = TypeTuple::fields(0);
732 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+0, fields);
733
734 // create result type (range)
735 fields = TypeTuple::fields(2);
736 fields[TypeFunc::Parms+0] = TypeLong::LONG;
737 fields[TypeFunc::Parms+1] = Type::HALF;
738 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+2, fields);
739
740 return TypeFunc::make(domain, range);
741 }
742
743 // arraycopy stub variations:
744 enum ArrayCopyType {
745 ac_fast, // void(ptr, ptr, size_t)
746 ac_checkcast, // int(ptr, ptr, size_t, size_t, ptr)
747 ac_slow, // void(ptr, int, ptr, int, int)
748 ac_generic // int(ptr, int, ptr, int, int)
749 };
750
751 static const TypeFunc* make_arraycopy_Type(ArrayCopyType act) {
752 // create input type (domain)
753 int num_args = (act == ac_fast ? 3 : 5);
754 int num_size_args = (act == ac_fast ? 1 : act == ac_checkcast ? 2 : 0);
755 int argcnt = num_args;
756 LP64_ONLY(argcnt += num_size_args); // halfwords for lengths
757 const Type** fields = TypeTuple::fields(argcnt);
758 int argp = TypeFunc::Parms;
759 fields[argp++] = TypePtr::NOTNULL; // src
760 if (num_size_args == 0) {
761 fields[argp++] = TypeInt::INT; // src_pos
762 }
763 fields[argp++] = TypePtr::NOTNULL; // dest
764 if (num_size_args == 0) {
765 fields[argp++] = TypeInt::INT; // dest_pos
766 fields[argp++] = TypeInt::INT; // length
767 }
768 while (num_size_args-- > 0) {
769 fields[argp++] = TypeX_X; // size in whatevers (size_t)
770 LP64_ONLY(fields[argp++] = Type::HALF); // other half of long length
771 }
772 if (act == ac_checkcast) {
773 fields[argp++] = TypePtr::NOTNULL; // super_klass
774 }
775 assert(argp == TypeFunc::Parms+argcnt, "correct decoding of act");
776 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
777
778 // create result type if needed
779 int retcnt = (act == ac_checkcast || act == ac_generic ? 1 : 0);
780 fields = TypeTuple::fields(1);
781 if (retcnt == 0)
782 fields[TypeFunc::Parms+0] = NULL; // void
783 else
784 fields[TypeFunc::Parms+0] = TypeInt::INT; // status result, if needed
785 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+retcnt, fields);
786 return TypeFunc::make(domain, range);
787 }
788
789 const TypeFunc* OptoRuntime::fast_arraycopy_Type() {
790 // This signature is simple: Two base pointers and a size_t.
791 return make_arraycopy_Type(ac_fast);
792 }
793
794 const TypeFunc* OptoRuntime::checkcast_arraycopy_Type() {
795 // An extension of fast_arraycopy_Type which adds type checking.
796 return make_arraycopy_Type(ac_checkcast);
797 }
798
799 const TypeFunc* OptoRuntime::slow_arraycopy_Type() {
800 // This signature is exactly the same as System.arraycopy.
801 // There are no intptr_t (int/long) arguments.
802 return make_arraycopy_Type(ac_slow);
803 }
804
805 const TypeFunc* OptoRuntime::generic_arraycopy_Type() {
806 // This signature is like System.arraycopy, except that it returns status.
807 return make_arraycopy_Type(ac_generic);
808 }
809
810
811 const TypeFunc* OptoRuntime::array_fill_Type() {
812 const Type** fields;
813 int argp = TypeFunc::Parms;
814 // create input type (domain): pointer, int, size_t
815 fields = TypeTuple::fields(3 LP64_ONLY( + 1));
816 fields[argp++] = TypePtr::NOTNULL;
817 fields[argp++] = TypeInt::INT;
818 fields[argp++] = TypeX_X; // size in whatevers (size_t)
819 LP64_ONLY(fields[argp++] = Type::HALF); // other half of long length
820 const TypeTuple *domain = TypeTuple::make(argp, fields);
821
822 // create result type
823 fields = TypeTuple::fields(1);
824 fields[TypeFunc::Parms+0] = NULL; // void
825 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields);
826
827 return TypeFunc::make(domain, range);
828 }
829
830 // for aescrypt encrypt/decrypt operations, just three pointers returning void (length is constant)
831 const TypeFunc* OptoRuntime::aescrypt_block_Type() {
832 // create input type (domain)
833 int num_args = 3;
834 if (Matcher::pass_original_key_for_aes()) {
835 num_args = 4;
836 }
837 int argcnt = num_args;
838 const Type** fields = TypeTuple::fields(argcnt);
839 int argp = TypeFunc::Parms;
840 fields[argp++] = TypePtr::NOTNULL; // src
841 fields[argp++] = TypePtr::NOTNULL; // dest
842 fields[argp++] = TypePtr::NOTNULL; // k array
843 if (Matcher::pass_original_key_for_aes()) {
844 fields[argp++] = TypePtr::NOTNULL; // original k array
845 }
846 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
847 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
848
849 // no result type needed
850 fields = TypeTuple::fields(1);
851 fields[TypeFunc::Parms+0] = NULL; // void
852 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields);
853 return TypeFunc::make(domain, range);
854 }
855
856 /**
857 * int updateBytesCRC32(int crc, byte* b, int len)
858 */
859 const TypeFunc* OptoRuntime::updateBytesCRC32_Type() {
860 // create input type (domain)
861 int num_args = 3;
862 int argcnt = num_args;
863 const Type** fields = TypeTuple::fields(argcnt);
864 int argp = TypeFunc::Parms;
865 fields[argp++] = TypeInt::INT; // crc
866 fields[argp++] = TypePtr::NOTNULL; // src
867 fields[argp++] = TypeInt::INT; // len
868 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
869 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
870
871 // result type needed
872 fields = TypeTuple::fields(1);
873 fields[TypeFunc::Parms+0] = TypeInt::INT; // crc result
874 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+1, fields);
875 return TypeFunc::make(domain, range);
876 }
877
878 /**
879 * int updateBytesCRC32C(int crc, byte* buf, int len, int* table)
880 */
881 const TypeFunc* OptoRuntime::updateBytesCRC32C_Type() {
882 // create input type (domain)
883 int num_args = 4;
884 int argcnt = num_args;
885 const Type** fields = TypeTuple::fields(argcnt);
886 int argp = TypeFunc::Parms;
887 fields[argp++] = TypeInt::INT; // crc
888 fields[argp++] = TypePtr::NOTNULL; // buf
889 fields[argp++] = TypeInt::INT; // len
890 fields[argp++] = TypePtr::NOTNULL; // table
891 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
892 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
893
894 // result type needed
895 fields = TypeTuple::fields(1);
896 fields[TypeFunc::Parms+0] = TypeInt::INT; // crc result
897 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+1, fields);
898 return TypeFunc::make(domain, range);
899 }
900
901 /**
902 * int updateBytesAdler32(int adler, bytes* b, int off, int len)
903 */
904 const TypeFunc* OptoRuntime::updateBytesAdler32_Type() {
905 // create input type (domain)
906 int num_args = 3;
907 int argcnt = num_args;
908 const Type** fields = TypeTuple::fields(argcnt);
909 int argp = TypeFunc::Parms;
910 fields[argp++] = TypeInt::INT; // crc
911 fields[argp++] = TypePtr::NOTNULL; // src + offset
912 fields[argp++] = TypeInt::INT; // len
913 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
914 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
915
916 // result type needed
917 fields = TypeTuple::fields(1);
918 fields[TypeFunc::Parms+0] = TypeInt::INT; // crc result
919 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+1, fields);
920 return TypeFunc::make(domain, range);
921 }
922
923 // for cipherBlockChaining calls of aescrypt encrypt/decrypt, four pointers and a length, returning int
924 const TypeFunc* OptoRuntime::cipherBlockChaining_aescrypt_Type() {
925 // create input type (domain)
926 int num_args = 5;
927 if (Matcher::pass_original_key_for_aes()) {
928 num_args = 6;
929 }
930 int argcnt = num_args;
931 const Type** fields = TypeTuple::fields(argcnt);
932 int argp = TypeFunc::Parms;
933 fields[argp++] = TypePtr::NOTNULL; // src
934 fields[argp++] = TypePtr::NOTNULL; // dest
935 fields[argp++] = TypePtr::NOTNULL; // k array
936 fields[argp++] = TypePtr::NOTNULL; // r array
937 fields[argp++] = TypeInt::INT; // src len
938 if (Matcher::pass_original_key_for_aes()) {
939 fields[argp++] = TypePtr::NOTNULL; // original k array
940 }
941 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
942 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
943
944 // returning cipher len (int)
945 fields = TypeTuple::fields(1);
946 fields[TypeFunc::Parms+0] = TypeInt::INT;
947 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+1, fields);
948 return TypeFunc::make(domain, range);
949 }
950
951 //for counterMode calls of aescrypt encrypt/decrypt, four pointers and a length, returning int
952 const TypeFunc* OptoRuntime::counterMode_aescrypt_Type() {
953 // create input type (domain)
954 int num_args = 7;
955 if (Matcher::pass_original_key_for_aes()) {
956 num_args = 8;
957 }
958 int argcnt = num_args;
959 const Type** fields = TypeTuple::fields(argcnt);
960 int argp = TypeFunc::Parms;
961 fields[argp++] = TypePtr::NOTNULL; // src
962 fields[argp++] = TypePtr::NOTNULL; // dest
963 fields[argp++] = TypePtr::NOTNULL; // k array
964 fields[argp++] = TypePtr::NOTNULL; // counter array
965 fields[argp++] = TypeInt::INT; // src len
966 fields[argp++] = TypePtr::NOTNULL; // saved_encCounter
967 fields[argp++] = TypePtr::NOTNULL; // saved used addr
968 if (Matcher::pass_original_key_for_aes()) {
969 fields[argp++] = TypePtr::NOTNULL; // original k array
970 }
971 assert(argp == TypeFunc::Parms + argcnt, "correct decoding");
972 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms + argcnt, fields);
973 // returning cipher len (int)
974 fields = TypeTuple::fields(1);
975 fields[TypeFunc::Parms + 0] = TypeInt::INT;
976 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms + 1, fields);
977 return TypeFunc::make(domain, range);
978 }
979
980 /*
981 * void implCompress(byte[] buf, int ofs)
982 */
983 const TypeFunc* OptoRuntime::sha_implCompress_Type() {
984 // create input type (domain)
985 int num_args = 2;
986 int argcnt = num_args;
987 const Type** fields = TypeTuple::fields(argcnt);
988 int argp = TypeFunc::Parms;
989 fields[argp++] = TypePtr::NOTNULL; // buf
990 fields[argp++] = TypePtr::NOTNULL; // state
991 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
992 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
993
994 // no result type needed
995 fields = TypeTuple::fields(1);
996 fields[TypeFunc::Parms+0] = NULL; // void
997 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields);
998 return TypeFunc::make(domain, range);
999 }
1000
1001 /*
1002 * int implCompressMultiBlock(byte[] b, int ofs, int limit)
1003 */
1004 const TypeFunc* OptoRuntime::digestBase_implCompressMB_Type() {
1005 // create input type (domain)
1006 int num_args = 4;
1007 int argcnt = num_args;
1008 const Type** fields = TypeTuple::fields(argcnt);
1009 int argp = TypeFunc::Parms;
1010 fields[argp++] = TypePtr::NOTNULL; // buf
1011 fields[argp++] = TypePtr::NOTNULL; // state
1012 fields[argp++] = TypeInt::INT; // ofs
1013 fields[argp++] = TypeInt::INT; // limit
1014 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
1015 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
1016
1017 // returning ofs (int)
1018 fields = TypeTuple::fields(1);
1019 fields[TypeFunc::Parms+0] = TypeInt::INT; // ofs
1020 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+1, fields);
1021 return TypeFunc::make(domain, range);
1022 }
1023
1024 const TypeFunc* OptoRuntime::multiplyToLen_Type() {
1025 // create input type (domain)
1026 int num_args = 6;
1027 int argcnt = num_args;
1028 const Type** fields = TypeTuple::fields(argcnt);
1029 int argp = TypeFunc::Parms;
1030 fields[argp++] = TypePtr::NOTNULL; // x
1031 fields[argp++] = TypeInt::INT; // xlen
1032 fields[argp++] = TypePtr::NOTNULL; // y
1033 fields[argp++] = TypeInt::INT; // ylen
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 const TypeFunc* OptoRuntime::squareToLen_Type() {
1047 // create input type (domain)
1048 int num_args = 4;
1049 int argcnt = num_args;
1050 const Type** fields = TypeTuple::fields(argcnt);
1051 int argp = TypeFunc::Parms;
1052 fields[argp++] = TypePtr::NOTNULL; // x
1053 fields[argp++] = TypeInt::INT; // len
1054 fields[argp++] = TypePtr::NOTNULL; // z
1055 fields[argp++] = TypeInt::INT; // zlen
1056 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
1057 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
1058
1059 // no result type needed
1060 fields = TypeTuple::fields(1);
1061 fields[TypeFunc::Parms+0] = NULL;
1062 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields);
1063 return TypeFunc::make(domain, range);
1064 }
1065
1066 // for mulAdd calls, 2 pointers and 3 ints, returning int
1067 const TypeFunc* OptoRuntime::mulAdd_Type() {
1068 // create input type (domain)
1069 int num_args = 5;
1070 int argcnt = num_args;
1071 const Type** fields = TypeTuple::fields(argcnt);
1072 int argp = TypeFunc::Parms;
1073 fields[argp++] = TypePtr::NOTNULL; // out
1074 fields[argp++] = TypePtr::NOTNULL; // in
1075 fields[argp++] = TypeInt::INT; // offset
1076 fields[argp++] = TypeInt::INT; // len
1077 fields[argp++] = TypeInt::INT; // k
1078 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
1079 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
1080
1081 // returning carry (int)
1082 fields = TypeTuple::fields(1);
1083 fields[TypeFunc::Parms+0] = TypeInt::INT;
1084 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+1, fields);
1085 return TypeFunc::make(domain, range);
1086 }
1087
1088 const TypeFunc* OptoRuntime::montgomeryMultiply_Type() {
1089 // create input type (domain)
1090 int num_args = 7;
1091 int argcnt = num_args;
1092 const Type** fields = TypeTuple::fields(argcnt);
1093 int argp = TypeFunc::Parms;
1094 fields[argp++] = TypePtr::NOTNULL; // a
1095 fields[argp++] = TypePtr::NOTNULL; // b
1096 fields[argp++] = TypePtr::NOTNULL; // n
1097 fields[argp++] = TypeInt::INT; // len
1098 fields[argp++] = TypeLong::LONG; // inv
1099 fields[argp++] = Type::HALF;
1100 fields[argp++] = TypePtr::NOTNULL; // result
1101 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
1102 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
1103
1104 // result type needed
1105 fields = TypeTuple::fields(1);
1106 fields[TypeFunc::Parms+0] = TypePtr::NOTNULL;
1107
1108 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields);
1109 return TypeFunc::make(domain, range);
1110 }
1111
1112 const TypeFunc* OptoRuntime::montgomerySquare_Type() {
1113 // create input type (domain)
1114 int num_args = 6;
1115 int argcnt = num_args;
1116 const Type** fields = TypeTuple::fields(argcnt);
1117 int argp = TypeFunc::Parms;
1118 fields[argp++] = TypePtr::NOTNULL; // a
1119 fields[argp++] = TypePtr::NOTNULL; // n
1120 fields[argp++] = TypeInt::INT; // len
1121 fields[argp++] = TypeLong::LONG; // inv
1122 fields[argp++] = Type::HALF;
1123 fields[argp++] = TypePtr::NOTNULL; // result
1124 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
1125 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
1126
1127 // result type needed
1128 fields = TypeTuple::fields(1);
1129 fields[TypeFunc::Parms+0] = TypePtr::NOTNULL;
1130
1131 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields);
1132 return TypeFunc::make(domain, range);
1133 }
1134
1135 const TypeFunc* OptoRuntime::vectorizedMismatch_Type() {
1136 // create input type (domain)
1137 int num_args = 4;
1138 int argcnt = num_args;
1139 const Type** fields = TypeTuple::fields(argcnt);
1140 int argp = TypeFunc::Parms;
1141 fields[argp++] = TypePtr::NOTNULL; // obja
1142 fields[argp++] = TypePtr::NOTNULL; // objb
1143 fields[argp++] = TypeInt::INT; // length, number of elements
1144 fields[argp++] = TypeInt::INT; // log2scale, element size
1145 assert(argp == TypeFunc::Parms + argcnt, "correct decoding");
1146 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms + argcnt, fields);
1147
1148 //return mismatch index (int)
1149 fields = TypeTuple::fields(1);
1150 fields[TypeFunc::Parms + 0] = TypeInt::INT;
1151 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms + 1, fields);
1152 return TypeFunc::make(domain, range);
1153 }
1154
1155 // GHASH block processing
1156 const TypeFunc* OptoRuntime::ghash_processBlocks_Type() {
1157 int argcnt = 4;
1158
1159 const Type** fields = TypeTuple::fields(argcnt);
1160 int argp = TypeFunc::Parms;
1161 fields[argp++] = TypePtr::NOTNULL; // state
1162 fields[argp++] = TypePtr::NOTNULL; // subkeyH
1163 fields[argp++] = TypePtr::NOTNULL; // data
1164 fields[argp++] = TypeInt::INT; // blocks
1165 assert(argp == TypeFunc::Parms+argcnt, "correct decoding");
1166 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields);
1167
1168 // result type needed
1169 fields = TypeTuple::fields(1);
1170 fields[TypeFunc::Parms+0] = NULL; // void
1171 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields);
1172 return TypeFunc::make(domain, range);
1173 }
1174
1175 //------------- Interpreter state access for on stack replacement
1176 const TypeFunc* OptoRuntime::osr_end_Type() {
1177 // create input type (domain)
1178 const Type **fields = TypeTuple::fields(1);
1179 fields[TypeFunc::Parms+0] = TypeRawPtr::BOTTOM; // OSR temp buf
1180 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields);
1181
1182 // create result type
1183 fields = TypeTuple::fields(1);
1184 // fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // locked oop
1185 fields[TypeFunc::Parms+0] = NULL; // void
1186 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields);
1187 return TypeFunc::make(domain, range);
1188 }
1189
1190 //-------------- methodData update helpers
1191
1192 const TypeFunc* OptoRuntime::profile_receiver_type_Type() {
1193 // create input type (domain)
1194 const Type **fields = TypeTuple::fields(2);
1195 fields[TypeFunc::Parms+0] = TypeAryPtr::NOTNULL; // methodData pointer
1196 fields[TypeFunc::Parms+1] = TypeInstPtr::BOTTOM; // receiver oop
1197 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields);
1198
1199 // create result type
1200 fields = TypeTuple::fields(1);
1201 fields[TypeFunc::Parms+0] = NULL; // void
1202 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields);
1203 return TypeFunc::make(domain,range);
1204 }
1205
1206 JRT_LEAF(void, OptoRuntime::profile_receiver_type_C(DataLayout* data, oopDesc* receiver))
1207 if (receiver == NULL) return;
1208 Klass* receiver_klass = receiver->klass();
1209
1210 intptr_t* mdp = ((intptr_t*)(data)) + DataLayout::header_size_in_cells();
1211 int empty_row = -1; // free row, if any is encountered
1212
1213 // ReceiverTypeData* vc = new ReceiverTypeData(mdp);
1214 for (uint row = 0; row < ReceiverTypeData::row_limit(); row++) {
1215 // if (vc->receiver(row) == receiver_klass)
1216 int receiver_off = ReceiverTypeData::receiver_cell_index(row);
1217 intptr_t row_recv = *(mdp + receiver_off);
1218 if (row_recv == (intptr_t) receiver_klass) {
1219 // vc->set_receiver_count(row, vc->receiver_count(row) + DataLayout::counter_increment);
1220 int count_off = ReceiverTypeData::receiver_count_cell_index(row);
1221 *(mdp + count_off) += DataLayout::counter_increment;
1222 return;
1223 } else if (row_recv == 0) {
1224 // else if (vc->receiver(row) == NULL)
1225 empty_row = (int) row;
1226 }
1227 }
1228
1229 if (empty_row != -1) {
1230 int receiver_off = ReceiverTypeData::receiver_cell_index(empty_row);
1231 // vc->set_receiver(empty_row, receiver_klass);
1232 *(mdp + receiver_off) = (intptr_t) receiver_klass;
1233 // vc->set_receiver_count(empty_row, DataLayout::counter_increment);
1234 int count_off = ReceiverTypeData::receiver_count_cell_index(empty_row);
1235 *(mdp + count_off) = DataLayout::counter_increment;
1236 } else {
1237 // Receiver did not match any saved receiver and there is no empty row for it.
1238 // Increment total counter to indicate polymorphic case.
1239 intptr_t* count_p = (intptr_t*)(((uint8_t*)(data)) + in_bytes(CounterData::count_offset()));
1240 *count_p += DataLayout::counter_increment;
1241 }
1242 JRT_END
1243
1244 //-------------------------------------------------------------------------------------
1245 // register policy
1246
1247 bool OptoRuntime::is_callee_saved_register(MachRegisterNumbers reg) {
1248 assert(reg >= 0 && reg < _last_Mach_Reg, "must be a machine register");
1249 switch (register_save_policy[reg]) {
1250 case 'C': return false; //SOC
1251 case 'E': return true ; //SOE
1252 case 'N': return false; //NS
1253 case 'A': return false; //AS
1254 }
1255 ShouldNotReachHere();
1256 return false;
1257 }
1258
1259 //-----------------------------------------------------------------------
1260 // Exceptions
1261 //
1262
1263 static void trace_exception(outputStream* st, oop exception_oop, address exception_pc, const char* msg);
1264
1265 // The method is an entry that is always called by a C++ method not
1266 // directly from compiled code. Compiled code will call the C++ method following.
1267 // We can't allow async exception to be installed during exception processing.
1268 JRT_ENTRY_NO_ASYNC(address, OptoRuntime::handle_exception_C_helper(JavaThread* thread, nmethod* &nm))
1269
1270 // Do not confuse exception_oop with pending_exception. The exception_oop
1271 // is only used to pass arguments into the method. Not for general
1272 // exception handling. DO NOT CHANGE IT to use pending_exception, since
1273 // the runtime stubs checks this on exit.
1274 assert(thread->exception_oop() != NULL, "exception oop is found");
1275 address handler_address = NULL;
1276
1277 Handle exception(thread, thread->exception_oop());
1278 address pc = thread->exception_pc();
1279
1280 // Clear out the exception oop and pc since looking up an
1281 // exception handler can cause class loading, which might throw an
1282 // exception and those fields are expected to be clear during
1283 // normal bytecode execution.
1284 thread->clear_exception_oop_and_pc();
1285
1286 if (log_is_enabled(Info, exceptions)) {
1287 ResourceMark rm;
1288 trace_exception(LogHandle(exceptions)::info_stream(), exception(), pc, "");
1289 }
1290
1291 // for AbortVMOnException flag
1292 Exceptions::debug_check_abort(exception);
1293
1294 #ifdef ASSERT
1295 if (!(exception->is_a(SystemDictionary::Throwable_klass()))) {
1296 // should throw an exception here
1297 ShouldNotReachHere();
1298 }
1299 #endif
1300
1301 // new exception handling: this method is entered only from adapters
1302 // exceptions from compiled java methods are handled in compiled code
1303 // using rethrow node
1304
1305 nm = CodeCache::find_nmethod(pc);
1306 assert(nm != NULL, "No NMethod found");
1307 if (nm->is_native_method()) {
1308 fatal("Native method should not have path to exception handling");
1309 } else {
1310 // we are switching to old paradigm: search for exception handler in caller_frame
1311 // instead in exception handler of caller_frame.sender()
1312
1313 if (JvmtiExport::can_post_on_exceptions()) {
1314 // "Full-speed catching" is not necessary here,
1315 // since we're notifying the VM on every catch.
1316 // Force deoptimization and the rest of the lookup
1317 // will be fine.
1318 deoptimize_caller_frame(thread);
1319 }
1320
1321 // Check the stack guard pages. If enabled, look for handler in this frame;
1322 // otherwise, forcibly unwind the frame.
1323 //
1324 // 4826555: use default current sp for reguard_stack instead of &nm: it's more accurate.
1325 bool force_unwind = !thread->reguard_stack();
1326 bool deopting = false;
1327 if (nm->is_deopt_pc(pc)) {
1328 deopting = true;
1329 RegisterMap map(thread, false);
1330 frame deoptee = thread->last_frame().sender(&map);
1331 assert(deoptee.is_deoptimized_frame(), "must be deopted");
1332 // Adjust the pc back to the original throwing pc
1333 pc = deoptee.pc();
1334 }
1335
1336 // If we are forcing an unwind because of stack overflow then deopt is
1337 // irrelevant since we are throwing the frame away anyway.
1338
1339 if (deopting && !force_unwind) {
1340 handler_address = SharedRuntime::deopt_blob()->unpack_with_exception();
1341 } else {
1342
1343 handler_address =
1344 force_unwind ? NULL : nm->handler_for_exception_and_pc(exception, pc);
1345
1346 if (handler_address == NULL) {
1347 Handle original_exception(thread, exception());
1348 handler_address = SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, force_unwind, true);
1349 assert (handler_address != NULL, "must have compiled handler");
1350 // Update the exception cache only when the unwind was not forced
1351 // and there didn't happen another exception during the computation of the
1352 // compiled exception handler.
1353 if (!force_unwind && original_exception() == exception()) {
1354 nm->add_handler_for_exception_and_pc(exception,pc,handler_address);
1355 }
1356 } else {
1357 assert(handler_address == SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, force_unwind, true), "Must be the same");
1358 }
1359 }
1360
1361 thread->set_exception_pc(pc);
1362 thread->set_exception_handler_pc(handler_address);
1363
1364 // Check if the exception PC is a MethodHandle call site.
1365 thread->set_is_method_handle_return(nm->is_method_handle_return(pc));
1366 }
1367
1368 // Restore correct return pc. Was saved above.
1369 thread->set_exception_oop(exception());
1370 return handler_address;
1371
1372 JRT_END
1373
1374 // We are entering here from exception_blob
1375 // If there is a compiled exception handler in this method, we will continue there;
1376 // otherwise we will unwind the stack and continue at the caller of top frame method
1377 // Note we enter without the usual JRT wrapper. We will call a helper routine that
1378 // will do the normal VM entry. We do it this way so that we can see if the nmethod
1379 // we looked up the handler for has been deoptimized in the meantime. If it has been
1380 // we must not use the handler and instead return the deopt blob.
1381 address OptoRuntime::handle_exception_C(JavaThread* thread) {
1382 //
1383 // We are in Java not VM and in debug mode we have a NoHandleMark
1384 //
1385 #ifndef PRODUCT
1386 SharedRuntime::_find_handler_ctr++; // find exception handler
1387 #endif
1388 debug_only(NoHandleMark __hm;)
1389 nmethod* nm = NULL;
1390 address handler_address = NULL;
1391 {
1392 // Enter the VM
1393
1394 ResetNoHandleMark rnhm;
1395 handler_address = handle_exception_C_helper(thread, nm);
1396 }
1397
1398 // Back in java: Use no oops, DON'T safepoint
1399
1400 // Now check to see if the handler we are returning is in a now
1401 // deoptimized frame
1402
1403 if (nm != NULL) {
1404 RegisterMap map(thread, false);
1405 frame caller = thread->last_frame().sender(&map);
1406 #ifdef ASSERT
1407 assert(caller.is_compiled_frame(), "must be");
1408 #endif // ASSERT
1409 if (caller.is_deoptimized_frame()) {
1410 handler_address = SharedRuntime::deopt_blob()->unpack_with_exception();
1411 }
1412 }
1413 return handler_address;
1414 }
1415
1416 //------------------------------rethrow----------------------------------------
1417 // We get here after compiled code has executed a 'RethrowNode'. The callee
1418 // is either throwing or rethrowing an exception. The callee-save registers
1419 // have been restored, synchronized objects have been unlocked and the callee
1420 // stack frame has been removed. The return address was passed in.
1421 // Exception oop is passed as the 1st argument. This routine is then called
1422 // from the stub. On exit, we know where to jump in the caller's code.
1423 // After this C code exits, the stub will pop his frame and end in a jump
1424 // (instead of a return). We enter the caller's default handler.
1425 //
1426 // This must be JRT_LEAF:
1427 // - caller will not change its state as we cannot block on exit,
1428 // therefore raw_exception_handler_for_return_address is all it takes
1429 // to handle deoptimized blobs
1430 //
1431 // However, there needs to be a safepoint check in the middle! So compiled
1432 // safepoints are completely watertight.
1433 //
1434 // Thus, it cannot be a leaf since it contains the NoGCVerifier.
1435 //
1436 // *THIS IS NOT RECOMMENDED PROGRAMMING STYLE*
1437 //
1438 address OptoRuntime::rethrow_C(oopDesc* exception, JavaThread* thread, address ret_pc) {
1439 #ifndef PRODUCT
1440 SharedRuntime::_rethrow_ctr++; // count rethrows
1441 #endif
1442 assert (exception != NULL, "should have thrown a NULLPointerException");
1443 #ifdef ASSERT
1444 if (!(exception->is_a(SystemDictionary::Throwable_klass()))) {
1445 // should throw an exception here
1446 ShouldNotReachHere();
1447 }
1448 #endif
1449
1450 thread->set_vm_result(exception);
1451 // Frame not compiled (handles deoptimization blob)
1452 return SharedRuntime::raw_exception_handler_for_return_address(thread, ret_pc);
1453 }
1454
1455
1456 const TypeFunc *OptoRuntime::rethrow_Type() {
1457 // create input type (domain)
1458 const Type **fields = TypeTuple::fields(1);
1459 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Exception oop
1460 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1,fields);
1461
1462 // create result type (range)
1463 fields = TypeTuple::fields(1);
1464 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Exception oop
1465 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields);
1466
1467 return TypeFunc::make(domain, range);
1468 }
1469
1470
1471 void OptoRuntime::deoptimize_caller_frame(JavaThread *thread, bool doit) {
1472 // Deoptimize the caller before continuing, as the compiled
1473 // exception handler table may not be valid.
1474 if (!StressCompiledExceptionHandlers && doit) {
1475 deoptimize_caller_frame(thread);
1476 }
1477 }
1478
1479 void OptoRuntime::deoptimize_caller_frame(JavaThread *thread) {
1480 // Called from within the owner thread, so no need for safepoint
1481 RegisterMap reg_map(thread);
1482 frame stub_frame = thread->last_frame();
1483 assert(stub_frame.is_runtime_frame() || exception_blob()->contains(stub_frame.pc()), "sanity check");
1484 frame caller_frame = stub_frame.sender(®_map);
1485
1486 // Deoptimize the caller frame.
1487 Deoptimization::deoptimize_frame(thread, caller_frame.id());
1488 }
1489
1490
1491 bool OptoRuntime::is_deoptimized_caller_frame(JavaThread *thread) {
1492 // Called from within the owner thread, so no need for safepoint
1493 RegisterMap reg_map(thread);
1494 frame stub_frame = thread->last_frame();
1495 assert(stub_frame.is_runtime_frame() || exception_blob()->contains(stub_frame.pc()), "sanity check");
1496 frame caller_frame = stub_frame.sender(®_map);
1497 return caller_frame.is_deoptimized_frame();
1498 }
1499
1500
1501 const TypeFunc *OptoRuntime::register_finalizer_Type() {
1502 // create input type (domain)
1503 const Type **fields = TypeTuple::fields(1);
1504 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // oop; Receiver
1505 // // The JavaThread* is passed to each routine as the last argument
1506 // fields[TypeFunc::Parms+1] = TypeRawPtr::NOTNULL; // JavaThread *; Executing thread
1507 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1,fields);
1508
1509 // create result type (range)
1510 fields = TypeTuple::fields(0);
1511
1512 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields);
1513
1514 return TypeFunc::make(domain,range);
1515 }
1516
1517
1518 //-----------------------------------------------------------------------------
1519 // Dtrace support. entry and exit probes have the same signature
1520 const TypeFunc *OptoRuntime::dtrace_method_entry_exit_Type() {
1521 // create input type (domain)
1522 const Type **fields = TypeTuple::fields(2);
1523 fields[TypeFunc::Parms+0] = TypeRawPtr::BOTTOM; // Thread-local storage
1524 fields[TypeFunc::Parms+1] = TypeMetadataPtr::BOTTOM; // Method*; Method we are entering
1525 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields);
1526
1527 // create result type (range)
1528 fields = TypeTuple::fields(0);
1529
1530 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields);
1531
1532 return TypeFunc::make(domain,range);
1533 }
1534
1535 const TypeFunc *OptoRuntime::dtrace_object_alloc_Type() {
1536 // create input type (domain)
1537 const Type **fields = TypeTuple::fields(2);
1538 fields[TypeFunc::Parms+0] = TypeRawPtr::BOTTOM; // Thread-local storage
1539 fields[TypeFunc::Parms+1] = TypeInstPtr::NOTNULL; // oop; newly allocated object
1540
1541 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields);
1542
1543 // create result type (range)
1544 fields = TypeTuple::fields(0);
1545
1546 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields);
1547
1548 return TypeFunc::make(domain,range);
1549 }
1550
1551
1552 JRT_ENTRY_NO_ASYNC(void, OptoRuntime::register_finalizer(oopDesc* obj, JavaThread* thread))
1553 assert(obj->is_oop(), "must be a valid oop");
1554 assert(obj->klass()->has_finalizer(), "shouldn't be here otherwise");
1555 InstanceKlass::register_finalizer(instanceOop(obj), CHECK);
1556 JRT_END
1557
1558 //-----------------------------------------------------------------------------
1559
1560 NamedCounter * volatile OptoRuntime::_named_counters = NULL;
1561
1562 //
1563 // dump the collected NamedCounters.
1564 //
1565 void OptoRuntime::print_named_counters() {
1566 int total_lock_count = 0;
1567 int eliminated_lock_count = 0;
1568
1569 NamedCounter* c = _named_counters;
1570 while (c) {
1571 if (c->tag() == NamedCounter::LockCounter || c->tag() == NamedCounter::EliminatedLockCounter) {
1572 int count = c->count();
1573 if (count > 0) {
1574 bool eliminated = c->tag() == NamedCounter::EliminatedLockCounter;
1575 if (Verbose) {
1576 tty->print_cr("%d %s%s", count, c->name(), eliminated ? " (eliminated)" : "");
1577 }
1578 total_lock_count += count;
1579 if (eliminated) {
1580 eliminated_lock_count += count;
1581 }
1582 }
1583 } else if (c->tag() == NamedCounter::BiasedLockingCounter) {
1584 BiasedLockingCounters* blc = ((BiasedLockingNamedCounter*)c)->counters();
1585 if (blc->nonzero()) {
1586 tty->print_cr("%s", c->name());
1587 blc->print_on(tty);
1588 }
1589 #if INCLUDE_RTM_OPT
1590 } else if (c->tag() == NamedCounter::RTMLockingCounter) {
1591 RTMLockingCounters* rlc = ((RTMLockingNamedCounter*)c)->counters();
1592 if (rlc->nonzero()) {
1593 tty->print_cr("%s", c->name());
1594 rlc->print_on(tty);
1595 }
1596 #endif
1597 }
1598 c = c->next();
1599 }
1600 if (total_lock_count > 0) {
1601 tty->print_cr("dynamic locks: %d", total_lock_count);
1602 if (eliminated_lock_count) {
1603 tty->print_cr("eliminated locks: %d (%d%%)", eliminated_lock_count,
1604 (int)(eliminated_lock_count * 100.0 / total_lock_count));
1605 }
1606 }
1607 }
1608
1609 //
1610 // Allocate a new NamedCounter. The JVMState is used to generate the
1611 // name which consists of method@line for the inlining tree.
1612 //
1613
1614 NamedCounter* OptoRuntime::new_named_counter(JVMState* youngest_jvms, NamedCounter::CounterTag tag) {
1615 int max_depth = youngest_jvms->depth();
1616
1617 // Visit scopes from youngest to oldest.
1618 bool first = true;
1619 stringStream st;
1620 for (int depth = max_depth; depth >= 1; depth--) {
1621 JVMState* jvms = youngest_jvms->of_depth(depth);
1622 ciMethod* m = jvms->has_method() ? jvms->method() : NULL;
1623 if (!first) {
1624 st.print(" ");
1625 } else {
1626 first = false;
1627 }
1628 int bci = jvms->bci();
1629 if (bci < 0) bci = 0;
1630 st.print("%s.%s@%d", m->holder()->name()->as_utf8(), m->name()->as_utf8(), bci);
1631 // To print linenumbers instead of bci use: m->line_number_from_bci(bci)
1632 }
1633 NamedCounter* c;
1634 if (tag == NamedCounter::BiasedLockingCounter) {
1635 c = new BiasedLockingNamedCounter(st.as_string());
1636 } else if (tag == NamedCounter::RTMLockingCounter) {
1637 c = new RTMLockingNamedCounter(st.as_string());
1638 } else {
1639 c = new NamedCounter(st.as_string(), tag);
1640 }
1641
1642 // atomically add the new counter to the head of the list. We only
1643 // add counters so this is safe.
1644 NamedCounter* head;
1645 do {
1646 c->set_next(NULL);
1647 head = _named_counters;
1648 c->set_next(head);
1649 } while (Atomic::cmpxchg_ptr(c, &_named_counters, head) != head);
1650 return c;
1651 }
1652
1653 int trace_exception_counter = 0;
1654 static void trace_exception(outputStream* st, oop exception_oop, address exception_pc, const char* msg) {
1655 trace_exception_counter++;
1656 stringStream tempst;
1657
1658 tempst.print("%d [Exception (%s): ", trace_exception_counter, msg);
1659 exception_oop->print_value_on(&tempst);
1660 tempst.print(" in ");
1661 CodeBlob* blob = CodeCache::find_blob(exception_pc);
1662 if (blob->is_nmethod()) {
1663 nmethod* nm = blob->as_nmethod_or_null();
1664 nm->method()->print_value_on(&tempst);
1665 } else if (blob->is_runtime_stub()) {
1666 tempst.print("<runtime-stub>");
1667 } else {
1668 tempst.print("<unknown>");
1669 }
1670 tempst.print(" at " INTPTR_FORMAT, p2i(exception_pc));
1671 tempst.print("]");
1672
1673 st->print_raw_cr(tempst.as_string());
1674 }