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 "memory/oopFactory.hpp" 46 #include "oops/objArrayKlass.hpp" 47 #include "oops/oop.inline.hpp" 48 #include "opto/ad.hpp" 49 #include "opto/addnode.hpp" 50 #include "opto/callnode.hpp" 51 #include "opto/cfgnode.hpp" 52 #include "opto/graphKit.hpp" 53 #include "opto/machnode.hpp" 54 #include "opto/matcher.hpp" 55 #include "opto/memnode.hpp" 56 #include "opto/mulnode.hpp" 57 #include "opto/runtime.hpp" 58 #include "opto/subnode.hpp" 59 #include "runtime/atomic.inline.hpp" 60 #include "runtime/fprofiler.hpp" 61 #include "runtime/handles.inline.hpp" 62 #include "runtime/interfaceSupport.hpp" 63 #include "runtime/javaCalls.hpp" 64 #include "runtime/sharedRuntime.hpp" 65 #include "runtime/signature.hpp" 66 #include "runtime/threadCritical.hpp" 67 #include "runtime/vframe.hpp" 68 #include "runtime/vframeArray.hpp" 69 #include "runtime/vframe_hp.hpp" 70 #include "utilities/copy.hpp" 71 #include "utilities/preserveException.hpp" 72 73 74 // For debugging purposes: 75 // To force FullGCALot inside a runtime function, add the following two lines 76 // 77 // Universe::release_fullgc_alot_dummy(); 78 // MarkSweep::invoke(0, "Debugging"); 79 // 80 // At command line specify the parameters: -XX:+FullGCALot -XX:FullGCALotStart=100000000 81 82 83 84 85 // Compiled code entry points 86 address OptoRuntime::_new_instance_Java = NULL; 87 address OptoRuntime::_new_array_Java = NULL; 88 address OptoRuntime::_new_array_nozero_Java = NULL; 89 address OptoRuntime::_multianewarray2_Java = NULL; 90 address OptoRuntime::_multianewarray3_Java = NULL; 91 address OptoRuntime::_multianewarray4_Java = NULL; 92 address OptoRuntime::_multianewarray5_Java = NULL; 93 address OptoRuntime::_multianewarrayN_Java = NULL; 94 address OptoRuntime::_g1_wb_pre_Java = NULL; 95 address OptoRuntime::_g1_wb_post_Java = NULL; 96 address OptoRuntime::_vtable_must_compile_Java = NULL; 97 address OptoRuntime::_complete_monitor_locking_Java = NULL; 98 address OptoRuntime::_monitor_notify_Java = NULL; 99 address OptoRuntime::_monitor_notifyAll_Java = NULL; 100 address OptoRuntime::_rethrow_Java = NULL; 101 102 address OptoRuntime::_slow_arraycopy_Java = NULL; 103 address OptoRuntime::_register_finalizer_Java = NULL; 104 105 ExceptionBlob* OptoRuntime::_exception_blob; 106 107 // This should be called in an assertion at the start of OptoRuntime routines 108 // which are entered from compiled code (all of them) 109 #ifdef ASSERT 110 static bool check_compiled_frame(JavaThread* thread) { 111 assert(thread->last_frame().is_runtime_frame(), "cannot call runtime directly from compiled code"); 112 RegisterMap map(thread, false); 113 frame caller = thread->last_frame().sender(&map); 114 assert(caller.is_compiled_frame(), "not being called from compiled like code"); 115 return true; 116 } 117 #endif // ASSERT 118 119 120 #define gen(env, var, type_func_gen, c_func, fancy_jump, pass_tls, save_arg_regs, return_pc) \ 121 var = generate_stub(env, type_func_gen, CAST_FROM_FN_PTR(address, c_func), #var, fancy_jump, pass_tls, save_arg_regs, return_pc); \ 122 if (var == NULL) { return false; } 123 124 bool OptoRuntime::generate(ciEnv* env) { 125 126 generate_exception_blob(); 127 128 // Note: tls: Means fetching the return oop out of the thread-local storage 129 // 130 // variable/name type-function-gen , runtime method ,fncy_jp, tls,save_args,retpc 131 // ------------------------------------------------------------------------------------------------------------------------------- 132 gen(env, _new_instance_Java , new_instance_Type , new_instance_C , 0 , true , false, false); 133 gen(env, _new_array_Java , new_array_Type , new_array_C , 0 , true , false, false); 134 gen(env, _new_array_nozero_Java , new_array_Type , new_array_nozero_C , 0 , true , false, false); 135 gen(env, _multianewarray2_Java , multianewarray2_Type , multianewarray2_C , 0 , true , false, false); 136 gen(env, _multianewarray3_Java , multianewarray3_Type , multianewarray3_C , 0 , true , false, false); 137 gen(env, _multianewarray4_Java , multianewarray4_Type , multianewarray4_C , 0 , true , false, false); 138 gen(env, _multianewarray5_Java , multianewarray5_Type , multianewarray5_C , 0 , true , false, false); 139 gen(env, _multianewarrayN_Java , multianewarrayN_Type , multianewarrayN_C , 0 , true , false, false); 140 gen(env, _g1_wb_pre_Java , g1_wb_pre_Type , SharedRuntime::g1_wb_pre , 0 , false, false, false); 141 gen(env, _g1_wb_post_Java , g1_wb_post_Type , SharedRuntime::g1_wb_post , 0 , false, false, false); 142 gen(env, _complete_monitor_locking_Java , complete_monitor_enter_Type , SharedRuntime::complete_monitor_locking_C, 0, false, false, false); 143 gen(env, _monitor_notify_Java , monitor_notify_Type , monitor_notify_C , 0 , false, false, false); 144 gen(env, _monitor_notifyAll_Java , monitor_notify_Type , monitor_notifyAll_C , 0 , false, false, false); 145 gen(env, _rethrow_Java , rethrow_Type , rethrow_C , 2 , true , false, true ); 146 147 gen(env, _slow_arraycopy_Java , slow_arraycopy_Type , SharedRuntime::slow_arraycopy_C , 0 , false, false, false); 148 gen(env, _register_finalizer_Java , register_finalizer_Type , register_finalizer , 0 , false, false, false); 149 150 return true; 151 } 152 153 #undef gen 154 155 156 // Helper method to do generation of RunTimeStub's 157 address OptoRuntime::generate_stub( ciEnv* env, 158 TypeFunc_generator gen, address C_function, 159 const char *name, int is_fancy_jump, 160 bool pass_tls, 161 bool save_argument_registers, 162 bool return_pc) { 163 164 // Matching the default directive, we currently have no method to match. 165 DirectiveSet* directive = DirectivesStack::getDefaultDirective(CompileBroker::compiler(CompLevel_full_optimization)); 166 ResourceMark rm; 167 Compile C( env, gen, C_function, name, is_fancy_jump, pass_tls, save_argument_registers, return_pc, directive); 168 DirectivesStack::release(directive); 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 /* 952 * void implCompress(byte[] buf, int ofs) 953 */ 954 const TypeFunc* OptoRuntime::sha_implCompress_Type() { 955 // create input type (domain) 956 int num_args = 2; 957 int argcnt = num_args; 958 const Type** fields = TypeTuple::fields(argcnt); 959 int argp = TypeFunc::Parms; 960 fields[argp++] = TypePtr::NOTNULL; // buf 961 fields[argp++] = TypePtr::NOTNULL; // state 962 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); 963 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); 964 965 // no result type needed 966 fields = TypeTuple::fields(1); 967 fields[TypeFunc::Parms+0] = NULL; // void 968 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields); 969 return TypeFunc::make(domain, range); 970 } 971 972 /* 973 * int implCompressMultiBlock(byte[] b, int ofs, int limit) 974 */ 975 const TypeFunc* OptoRuntime::digestBase_implCompressMB_Type() { 976 // create input type (domain) 977 int num_args = 4; 978 int argcnt = num_args; 979 const Type** fields = TypeTuple::fields(argcnt); 980 int argp = TypeFunc::Parms; 981 fields[argp++] = TypePtr::NOTNULL; // buf 982 fields[argp++] = TypePtr::NOTNULL; // state 983 fields[argp++] = TypeInt::INT; // ofs 984 fields[argp++] = TypeInt::INT; // limit 985 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); 986 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); 987 988 // returning ofs (int) 989 fields = TypeTuple::fields(1); 990 fields[TypeFunc::Parms+0] = TypeInt::INT; // ofs 991 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+1, fields); 992 return TypeFunc::make(domain, range); 993 } 994 995 const TypeFunc* OptoRuntime::multiplyToLen_Type() { 996 // create input type (domain) 997 int num_args = 6; 998 int argcnt = num_args; 999 const Type** fields = TypeTuple::fields(argcnt); 1000 int argp = TypeFunc::Parms; 1001 fields[argp++] = TypePtr::NOTNULL; // x 1002 fields[argp++] = TypeInt::INT; // xlen 1003 fields[argp++] = TypePtr::NOTNULL; // y 1004 fields[argp++] = TypeInt::INT; // ylen 1005 fields[argp++] = TypePtr::NOTNULL; // z 1006 fields[argp++] = TypeInt::INT; // zlen 1007 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); 1008 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); 1009 1010 // no result type needed 1011 fields = TypeTuple::fields(1); 1012 fields[TypeFunc::Parms+0] = NULL; 1013 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields); 1014 return TypeFunc::make(domain, range); 1015 } 1016 1017 const TypeFunc* OptoRuntime::squareToLen_Type() { 1018 // create input type (domain) 1019 int num_args = 4; 1020 int argcnt = num_args; 1021 const Type** fields = TypeTuple::fields(argcnt); 1022 int argp = TypeFunc::Parms; 1023 fields[argp++] = TypePtr::NOTNULL; // x 1024 fields[argp++] = TypeInt::INT; // len 1025 fields[argp++] = TypePtr::NOTNULL; // z 1026 fields[argp++] = TypeInt::INT; // zlen 1027 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); 1028 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); 1029 1030 // no result type needed 1031 fields = TypeTuple::fields(1); 1032 fields[TypeFunc::Parms+0] = NULL; 1033 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields); 1034 return TypeFunc::make(domain, range); 1035 } 1036 1037 // for mulAdd calls, 2 pointers and 3 ints, returning int 1038 const TypeFunc* OptoRuntime::mulAdd_Type() { 1039 // create input type (domain) 1040 int num_args = 5; 1041 int argcnt = num_args; 1042 const Type** fields = TypeTuple::fields(argcnt); 1043 int argp = TypeFunc::Parms; 1044 fields[argp++] = TypePtr::NOTNULL; // out 1045 fields[argp++] = TypePtr::NOTNULL; // in 1046 fields[argp++] = TypeInt::INT; // offset 1047 fields[argp++] = TypeInt::INT; // len 1048 fields[argp++] = TypeInt::INT; // k 1049 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); 1050 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); 1051 1052 // returning carry (int) 1053 fields = TypeTuple::fields(1); 1054 fields[TypeFunc::Parms+0] = TypeInt::INT; 1055 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+1, fields); 1056 return TypeFunc::make(domain, range); 1057 } 1058 1059 const TypeFunc* OptoRuntime::montgomeryMultiply_Type() { 1060 // create input type (domain) 1061 int num_args = 7; 1062 int argcnt = num_args; 1063 const Type** fields = TypeTuple::fields(argcnt); 1064 int argp = TypeFunc::Parms; 1065 fields[argp++] = TypePtr::NOTNULL; // a 1066 fields[argp++] = TypePtr::NOTNULL; // b 1067 fields[argp++] = TypePtr::NOTNULL; // n 1068 fields[argp++] = TypeInt::INT; // len 1069 fields[argp++] = TypeLong::LONG; // inv 1070 fields[argp++] = Type::HALF; 1071 fields[argp++] = TypePtr::NOTNULL; // result 1072 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); 1073 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); 1074 1075 // result type needed 1076 fields = TypeTuple::fields(1); 1077 fields[TypeFunc::Parms+0] = TypePtr::NOTNULL; 1078 1079 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields); 1080 return TypeFunc::make(domain, range); 1081 } 1082 1083 const TypeFunc* OptoRuntime::montgomerySquare_Type() { 1084 // create input type (domain) 1085 int num_args = 6; 1086 int argcnt = num_args; 1087 const Type** fields = TypeTuple::fields(argcnt); 1088 int argp = TypeFunc::Parms; 1089 fields[argp++] = TypePtr::NOTNULL; // a 1090 fields[argp++] = TypePtr::NOTNULL; // n 1091 fields[argp++] = TypeInt::INT; // len 1092 fields[argp++] = TypeLong::LONG; // inv 1093 fields[argp++] = Type::HALF; 1094 fields[argp++] = TypePtr::NOTNULL; // result 1095 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); 1096 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); 1097 1098 // result type needed 1099 fields = TypeTuple::fields(1); 1100 fields[TypeFunc::Parms+0] = TypePtr::NOTNULL; 1101 1102 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields); 1103 return TypeFunc::make(domain, range); 1104 } 1105 1106 // GHASH block processing 1107 const TypeFunc* OptoRuntime::ghash_processBlocks_Type() { 1108 int argcnt = 4; 1109 1110 const Type** fields = TypeTuple::fields(argcnt); 1111 int argp = TypeFunc::Parms; 1112 fields[argp++] = TypePtr::NOTNULL; // state 1113 fields[argp++] = TypePtr::NOTNULL; // subkeyH 1114 fields[argp++] = TypePtr::NOTNULL; // data 1115 fields[argp++] = TypeInt::INT; // blocks 1116 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); 1117 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); 1118 1119 // result type needed 1120 fields = TypeTuple::fields(1); 1121 fields[TypeFunc::Parms+0] = NULL; // void 1122 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields); 1123 return TypeFunc::make(domain, range); 1124 } 1125 1126 //------------- Interpreter state access for on stack replacement 1127 const TypeFunc* OptoRuntime::osr_end_Type() { 1128 // create input type (domain) 1129 const Type **fields = TypeTuple::fields(1); 1130 fields[TypeFunc::Parms+0] = TypeRawPtr::BOTTOM; // OSR temp buf 1131 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields); 1132 1133 // create result type 1134 fields = TypeTuple::fields(1); 1135 // fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // locked oop 1136 fields[TypeFunc::Parms+0] = NULL; // void 1137 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields); 1138 return TypeFunc::make(domain, range); 1139 } 1140 1141 //-------------- methodData update helpers 1142 1143 const TypeFunc* OptoRuntime::profile_receiver_type_Type() { 1144 // create input type (domain) 1145 const Type **fields = TypeTuple::fields(2); 1146 fields[TypeFunc::Parms+0] = TypeAryPtr::NOTNULL; // methodData pointer 1147 fields[TypeFunc::Parms+1] = TypeInstPtr::BOTTOM; // receiver oop 1148 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); 1149 1150 // create result type 1151 fields = TypeTuple::fields(1); 1152 fields[TypeFunc::Parms+0] = NULL; // void 1153 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields); 1154 return TypeFunc::make(domain,range); 1155 } 1156 1157 JRT_LEAF(void, OptoRuntime::profile_receiver_type_C(DataLayout* data, oopDesc* receiver)) 1158 if (receiver == NULL) return; 1159 Klass* receiver_klass = receiver->klass(); 1160 1161 intptr_t* mdp = ((intptr_t*)(data)) + DataLayout::header_size_in_cells(); 1162 int empty_row = -1; // free row, if any is encountered 1163 1164 // ReceiverTypeData* vc = new ReceiverTypeData(mdp); 1165 for (uint row = 0; row < ReceiverTypeData::row_limit(); row++) { 1166 // if (vc->receiver(row) == receiver_klass) 1167 int receiver_off = ReceiverTypeData::receiver_cell_index(row); 1168 intptr_t row_recv = *(mdp + receiver_off); 1169 if (row_recv == (intptr_t) receiver_klass) { 1170 // vc->set_receiver_count(row, vc->receiver_count(row) + DataLayout::counter_increment); 1171 int count_off = ReceiverTypeData::receiver_count_cell_index(row); 1172 *(mdp + count_off) += DataLayout::counter_increment; 1173 return; 1174 } else if (row_recv == 0) { 1175 // else if (vc->receiver(row) == NULL) 1176 empty_row = (int) row; 1177 } 1178 } 1179 1180 if (empty_row != -1) { 1181 int receiver_off = ReceiverTypeData::receiver_cell_index(empty_row); 1182 // vc->set_receiver(empty_row, receiver_klass); 1183 *(mdp + receiver_off) = (intptr_t) receiver_klass; 1184 // vc->set_receiver_count(empty_row, DataLayout::counter_increment); 1185 int count_off = ReceiverTypeData::receiver_count_cell_index(empty_row); 1186 *(mdp + count_off) = DataLayout::counter_increment; 1187 } else { 1188 // Receiver did not match any saved receiver and there is no empty row for it. 1189 // Increment total counter to indicate polymorphic case. 1190 intptr_t* count_p = (intptr_t*)(((uint8_t*)(data)) + in_bytes(CounterData::count_offset())); 1191 *count_p += DataLayout::counter_increment; 1192 } 1193 JRT_END 1194 1195 //------------------------------------------------------------------------------------- 1196 // register policy 1197 1198 bool OptoRuntime::is_callee_saved_register(MachRegisterNumbers reg) { 1199 assert(reg >= 0 && reg < _last_Mach_Reg, "must be a machine register"); 1200 switch (register_save_policy[reg]) { 1201 case 'C': return false; //SOC 1202 case 'E': return true ; //SOE 1203 case 'N': return false; //NS 1204 case 'A': return false; //AS 1205 } 1206 ShouldNotReachHere(); 1207 return false; 1208 } 1209 1210 //----------------------------------------------------------------------- 1211 // Exceptions 1212 // 1213 1214 static void trace_exception(oop exception_oop, address exception_pc, const char* msg) PRODUCT_RETURN; 1215 1216 // The method is an entry that is always called by a C++ method not 1217 // directly from compiled code. Compiled code will call the C++ method following. 1218 // We can't allow async exception to be installed during exception processing. 1219 JRT_ENTRY_NO_ASYNC(address, OptoRuntime::handle_exception_C_helper(JavaThread* thread, nmethod* &nm)) 1220 1221 // Do not confuse exception_oop with pending_exception. The exception_oop 1222 // is only used to pass arguments into the method. Not for general 1223 // exception handling. DO NOT CHANGE IT to use pending_exception, since 1224 // the runtime stubs checks this on exit. 1225 assert(thread->exception_oop() != NULL, "exception oop is found"); 1226 address handler_address = NULL; 1227 1228 Handle exception(thread, thread->exception_oop()); 1229 address pc = thread->exception_pc(); 1230 1231 // Clear out the exception oop and pc since looking up an 1232 // exception handler can cause class loading, which might throw an 1233 // exception and those fields are expected to be clear during 1234 // normal bytecode execution. 1235 thread->clear_exception_oop_and_pc(); 1236 1237 if (TraceExceptions) { 1238 trace_exception(exception(), pc, ""); 1239 } 1240 1241 // for AbortVMOnException flag 1242 Exceptions::debug_check_abort(exception); 1243 1244 #ifdef ASSERT 1245 if (!(exception->is_a(SystemDictionary::Throwable_klass()))) { 1246 // should throw an exception here 1247 ShouldNotReachHere(); 1248 } 1249 #endif 1250 1251 // new exception handling: this method is entered only from adapters 1252 // exceptions from compiled java methods are handled in compiled code 1253 // using rethrow node 1254 1255 nm = CodeCache::find_nmethod(pc); 1256 assert(nm != NULL, "No NMethod found"); 1257 if (nm->is_native_method()) { 1258 fatal("Native method should not have path to exception handling"); 1259 } else { 1260 // we are switching to old paradigm: search for exception handler in caller_frame 1261 // instead in exception handler of caller_frame.sender() 1262 1263 if (JvmtiExport::can_post_on_exceptions()) { 1264 // "Full-speed catching" is not necessary here, 1265 // since we're notifying the VM on every catch. 1266 // Force deoptimization and the rest of the lookup 1267 // will be fine. 1268 deoptimize_caller_frame(thread); 1269 } 1270 1271 // Check the stack guard pages. If enabled, look for handler in this frame; 1272 // otherwise, forcibly unwind the frame. 1273 // 1274 // 4826555: use default current sp for reguard_stack instead of &nm: it's more accurate. 1275 bool force_unwind = !thread->reguard_stack(); 1276 bool deopting = false; 1277 if (nm->is_deopt_pc(pc)) { 1278 deopting = true; 1279 RegisterMap map(thread, false); 1280 frame deoptee = thread->last_frame().sender(&map); 1281 assert(deoptee.is_deoptimized_frame(), "must be deopted"); 1282 // Adjust the pc back to the original throwing pc 1283 pc = deoptee.pc(); 1284 } 1285 1286 // If we are forcing an unwind because of stack overflow then deopt is 1287 // irrelevant since we are throwing the frame away anyway. 1288 1289 if (deopting && !force_unwind) { 1290 handler_address = SharedRuntime::deopt_blob()->unpack_with_exception(); 1291 } else { 1292 1293 handler_address = 1294 force_unwind ? NULL : nm->handler_for_exception_and_pc(exception, pc); 1295 1296 if (handler_address == NULL) { 1297 Handle original_exception(thread, exception()); 1298 handler_address = SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, force_unwind, true); 1299 assert (handler_address != NULL, "must have compiled handler"); 1300 // Update the exception cache only when the unwind was not forced 1301 // and there didn't happen another exception during the computation of the 1302 // compiled exception handler. 1303 if (!force_unwind && original_exception() == exception()) { 1304 nm->add_handler_for_exception_and_pc(exception,pc,handler_address); 1305 } 1306 } else { 1307 assert(handler_address == SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, force_unwind, true), "Must be the same"); 1308 } 1309 } 1310 1311 thread->set_exception_pc(pc); 1312 thread->set_exception_handler_pc(handler_address); 1313 1314 // Check if the exception PC is a MethodHandle call site. 1315 thread->set_is_method_handle_return(nm->is_method_handle_return(pc)); 1316 } 1317 1318 // Restore correct return pc. Was saved above. 1319 thread->set_exception_oop(exception()); 1320 return handler_address; 1321 1322 JRT_END 1323 1324 // We are entering here from exception_blob 1325 // If there is a compiled exception handler in this method, we will continue there; 1326 // otherwise we will unwind the stack and continue at the caller of top frame method 1327 // Note we enter without the usual JRT wrapper. We will call a helper routine that 1328 // will do the normal VM entry. We do it this way so that we can see if the nmethod 1329 // we looked up the handler for has been deoptimized in the meantime. If it has been 1330 // we must not use the handler and instead return the deopt blob. 1331 address OptoRuntime::handle_exception_C(JavaThread* thread) { 1332 // 1333 // We are in Java not VM and in debug mode we have a NoHandleMark 1334 // 1335 #ifndef PRODUCT 1336 SharedRuntime::_find_handler_ctr++; // find exception handler 1337 #endif 1338 debug_only(NoHandleMark __hm;) 1339 nmethod* nm = NULL; 1340 address handler_address = NULL; 1341 { 1342 // Enter the VM 1343 1344 ResetNoHandleMark rnhm; 1345 handler_address = handle_exception_C_helper(thread, nm); 1346 } 1347 1348 // Back in java: Use no oops, DON'T safepoint 1349 1350 // Now check to see if the handler we are returning is in a now 1351 // deoptimized frame 1352 1353 if (nm != NULL) { 1354 RegisterMap map(thread, false); 1355 frame caller = thread->last_frame().sender(&map); 1356 #ifdef ASSERT 1357 assert(caller.is_compiled_frame(), "must be"); 1358 #endif // ASSERT 1359 if (caller.is_deoptimized_frame()) { 1360 handler_address = SharedRuntime::deopt_blob()->unpack_with_exception(); 1361 } 1362 } 1363 return handler_address; 1364 } 1365 1366 //------------------------------rethrow---------------------------------------- 1367 // We get here after compiled code has executed a 'RethrowNode'. The callee 1368 // is either throwing or rethrowing an exception. The callee-save registers 1369 // have been restored, synchronized objects have been unlocked and the callee 1370 // stack frame has been removed. The return address was passed in. 1371 // Exception oop is passed as the 1st argument. This routine is then called 1372 // from the stub. On exit, we know where to jump in the caller's code. 1373 // After this C code exits, the stub will pop his frame and end in a jump 1374 // (instead of a return). We enter the caller's default handler. 1375 // 1376 // This must be JRT_LEAF: 1377 // - caller will not change its state as we cannot block on exit, 1378 // therefore raw_exception_handler_for_return_address is all it takes 1379 // to handle deoptimized blobs 1380 // 1381 // However, there needs to be a safepoint check in the middle! So compiled 1382 // safepoints are completely watertight. 1383 // 1384 // Thus, it cannot be a leaf since it contains the No_GC_Verifier. 1385 // 1386 // *THIS IS NOT RECOMMENDED PROGRAMMING STYLE* 1387 // 1388 address OptoRuntime::rethrow_C(oopDesc* exception, JavaThread* thread, address ret_pc) { 1389 #ifndef PRODUCT 1390 SharedRuntime::_rethrow_ctr++; // count rethrows 1391 #endif 1392 assert (exception != NULL, "should have thrown a NULLPointerException"); 1393 #ifdef ASSERT 1394 if (!(exception->is_a(SystemDictionary::Throwable_klass()))) { 1395 // should throw an exception here 1396 ShouldNotReachHere(); 1397 } 1398 #endif 1399 1400 thread->set_vm_result(exception); 1401 // Frame not compiled (handles deoptimization blob) 1402 return SharedRuntime::raw_exception_handler_for_return_address(thread, ret_pc); 1403 } 1404 1405 1406 const TypeFunc *OptoRuntime::rethrow_Type() { 1407 // create input type (domain) 1408 const Type **fields = TypeTuple::fields(1); 1409 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Exception oop 1410 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1,fields); 1411 1412 // create result type (range) 1413 fields = TypeTuple::fields(1); 1414 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Exception oop 1415 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); 1416 1417 return TypeFunc::make(domain, range); 1418 } 1419 1420 1421 void OptoRuntime::deoptimize_caller_frame(JavaThread *thread, bool doit) { 1422 // Deoptimize the caller before continuing, as the compiled 1423 // exception handler table may not be valid. 1424 if (!StressCompiledExceptionHandlers && doit) { 1425 deoptimize_caller_frame(thread); 1426 } 1427 } 1428 1429 void OptoRuntime::deoptimize_caller_frame(JavaThread *thread) { 1430 // Called from within the owner thread, so no need for safepoint 1431 RegisterMap reg_map(thread); 1432 frame stub_frame = thread->last_frame(); 1433 assert(stub_frame.is_runtime_frame() || exception_blob()->contains(stub_frame.pc()), "sanity check"); 1434 frame caller_frame = stub_frame.sender(®_map); 1435 1436 // Deoptimize the caller frame. 1437 Deoptimization::deoptimize_frame(thread, caller_frame.id()); 1438 } 1439 1440 1441 bool OptoRuntime::is_deoptimized_caller_frame(JavaThread *thread) { 1442 // Called from within the owner thread, so no need for safepoint 1443 RegisterMap reg_map(thread); 1444 frame stub_frame = thread->last_frame(); 1445 assert(stub_frame.is_runtime_frame() || exception_blob()->contains(stub_frame.pc()), "sanity check"); 1446 frame caller_frame = stub_frame.sender(®_map); 1447 return caller_frame.is_deoptimized_frame(); 1448 } 1449 1450 1451 const TypeFunc *OptoRuntime::register_finalizer_Type() { 1452 // create input type (domain) 1453 const Type **fields = TypeTuple::fields(1); 1454 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // oop; Receiver 1455 // // The JavaThread* is passed to each routine as the last argument 1456 // fields[TypeFunc::Parms+1] = TypeRawPtr::NOTNULL; // JavaThread *; Executing thread 1457 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1,fields); 1458 1459 // create result type (range) 1460 fields = TypeTuple::fields(0); 1461 1462 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields); 1463 1464 return TypeFunc::make(domain,range); 1465 } 1466 1467 1468 //----------------------------------------------------------------------------- 1469 // Dtrace support. entry and exit probes have the same signature 1470 const TypeFunc *OptoRuntime::dtrace_method_entry_exit_Type() { 1471 // create input type (domain) 1472 const Type **fields = TypeTuple::fields(2); 1473 fields[TypeFunc::Parms+0] = TypeRawPtr::BOTTOM; // Thread-local storage 1474 fields[TypeFunc::Parms+1] = TypeMetadataPtr::BOTTOM; // Method*; Method we are entering 1475 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields); 1476 1477 // create result type (range) 1478 fields = TypeTuple::fields(0); 1479 1480 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields); 1481 1482 return TypeFunc::make(domain,range); 1483 } 1484 1485 const TypeFunc *OptoRuntime::dtrace_object_alloc_Type() { 1486 // create input type (domain) 1487 const Type **fields = TypeTuple::fields(2); 1488 fields[TypeFunc::Parms+0] = TypeRawPtr::BOTTOM; // Thread-local storage 1489 fields[TypeFunc::Parms+1] = TypeInstPtr::NOTNULL; // oop; newly allocated object 1490 1491 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields); 1492 1493 // create result type (range) 1494 fields = TypeTuple::fields(0); 1495 1496 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields); 1497 1498 return TypeFunc::make(domain,range); 1499 } 1500 1501 1502 JRT_ENTRY_NO_ASYNC(void, OptoRuntime::register_finalizer(oopDesc* obj, JavaThread* thread)) 1503 assert(obj->is_oop(), "must be a valid oop"); 1504 assert(obj->klass()->has_finalizer(), "shouldn't be here otherwise"); 1505 InstanceKlass::register_finalizer(instanceOop(obj), CHECK); 1506 JRT_END 1507 1508 //----------------------------------------------------------------------------- 1509 1510 NamedCounter * volatile OptoRuntime::_named_counters = NULL; 1511 1512 // 1513 // dump the collected NamedCounters. 1514 // 1515 void OptoRuntime::print_named_counters() { 1516 int total_lock_count = 0; 1517 int eliminated_lock_count = 0; 1518 1519 NamedCounter* c = _named_counters; 1520 while (c) { 1521 if (c->tag() == NamedCounter::LockCounter || c->tag() == NamedCounter::EliminatedLockCounter) { 1522 int count = c->count(); 1523 if (count > 0) { 1524 bool eliminated = c->tag() == NamedCounter::EliminatedLockCounter; 1525 if (Verbose) { 1526 tty->print_cr("%d %s%s", count, c->name(), eliminated ? " (eliminated)" : ""); 1527 } 1528 total_lock_count += count; 1529 if (eliminated) { 1530 eliminated_lock_count += count; 1531 } 1532 } 1533 } else if (c->tag() == NamedCounter::BiasedLockingCounter) { 1534 BiasedLockingCounters* blc = ((BiasedLockingNamedCounter*)c)->counters(); 1535 if (blc->nonzero()) { 1536 tty->print_cr("%s", c->name()); 1537 blc->print_on(tty); 1538 } 1539 #if INCLUDE_RTM_OPT 1540 } else if (c->tag() == NamedCounter::RTMLockingCounter) { 1541 RTMLockingCounters* rlc = ((RTMLockingNamedCounter*)c)->counters(); 1542 if (rlc->nonzero()) { 1543 tty->print_cr("%s", c->name()); 1544 rlc->print_on(tty); 1545 } 1546 #endif 1547 } 1548 c = c->next(); 1549 } 1550 if (total_lock_count > 0) { 1551 tty->print_cr("dynamic locks: %d", total_lock_count); 1552 if (eliminated_lock_count) { 1553 tty->print_cr("eliminated locks: %d (%d%%)", eliminated_lock_count, 1554 (int)(eliminated_lock_count * 100.0 / total_lock_count)); 1555 } 1556 } 1557 } 1558 1559 // 1560 // Allocate a new NamedCounter. The JVMState is used to generate the 1561 // name which consists of method@line for the inlining tree. 1562 // 1563 1564 NamedCounter* OptoRuntime::new_named_counter(JVMState* youngest_jvms, NamedCounter::CounterTag tag) { 1565 int max_depth = youngest_jvms->depth(); 1566 1567 // Visit scopes from youngest to oldest. 1568 bool first = true; 1569 stringStream st; 1570 for (int depth = max_depth; depth >= 1; depth--) { 1571 JVMState* jvms = youngest_jvms->of_depth(depth); 1572 ciMethod* m = jvms->has_method() ? jvms->method() : NULL; 1573 if (!first) { 1574 st.print(" "); 1575 } else { 1576 first = false; 1577 } 1578 int bci = jvms->bci(); 1579 if (bci < 0) bci = 0; 1580 st.print("%s.%s@%d", m->holder()->name()->as_utf8(), m->name()->as_utf8(), bci); 1581 // To print linenumbers instead of bci use: m->line_number_from_bci(bci) 1582 } 1583 NamedCounter* c; 1584 if (tag == NamedCounter::BiasedLockingCounter) { 1585 c = new BiasedLockingNamedCounter(st.as_string()); 1586 } else if (tag == NamedCounter::RTMLockingCounter) { 1587 c = new RTMLockingNamedCounter(st.as_string()); 1588 } else { 1589 c = new NamedCounter(st.as_string(), tag); 1590 } 1591 1592 // atomically add the new counter to the head of the list. We only 1593 // add counters so this is safe. 1594 NamedCounter* head; 1595 do { 1596 c->set_next(NULL); 1597 head = _named_counters; 1598 c->set_next(head); 1599 } while (Atomic::cmpxchg_ptr(c, &_named_counters, head) != head); 1600 return c; 1601 } 1602 1603 //----------------------------------------------------------------------------- 1604 // Non-product code 1605 #ifndef PRODUCT 1606 1607 int trace_exception_counter = 0; 1608 static void trace_exception(oop exception_oop, address exception_pc, const char* msg) { 1609 ttyLocker ttyl; 1610 trace_exception_counter++; 1611 tty->print("%d [Exception (%s): ", trace_exception_counter, msg); 1612 exception_oop->print_value(); 1613 tty->print(" in "); 1614 CodeBlob* blob = CodeCache::find_blob(exception_pc); 1615 if (blob->is_nmethod()) { 1616 nmethod* nm = blob->as_nmethod_or_null(); 1617 nm->method()->print_value(); 1618 } else if (blob->is_runtime_stub()) { 1619 tty->print("<runtime-stub>"); 1620 } else { 1621 tty->print("<unknown>"); 1622 } 1623 tty->print(" at " INTPTR_FORMAT, p2i(exception_pc)); 1624 tty->print_cr("]"); 1625 } 1626 1627 #endif // PRODUCT 1628