1 /* 2 * Copyright (c) 1998, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #include "precompiled.hpp" 26 #include "classfile/systemDictionary.hpp" 27 #include "classfile/vmSymbols.hpp" 28 #include "code/codeCache.hpp" 29 #include "code/compiledMethod.inline.hpp" 30 #include "code/compiledIC.hpp" 31 #include "code/icBuffer.hpp" 32 #include "code/nmethod.hpp" 33 #include "code/pcDesc.hpp" 34 #include "code/scopeDesc.hpp" 35 #include "code/vtableStubs.hpp" 36 #include "compiler/compileBroker.hpp" 37 #include "compiler/oopMap.hpp" 38 #include "gc/g1/heapRegion.hpp" 39 #include "gc/shared/barrierSet.hpp" 40 #include "gc/shared/collectedHeap.hpp" 41 #include "gc/shared/gcLocker.hpp" 42 #include "interpreter/bytecode.hpp" 43 #include "interpreter/interpreter.hpp" 44 #include "interpreter/linkResolver.hpp" 45 #include "logging/log.hpp" 46 #include "logging/logStream.hpp" 47 #include "memory/oopFactory.hpp" 48 #include "memory/resourceArea.hpp" 49 #include "oops/objArrayKlass.hpp" 50 #include "oops/oop.inline.hpp" 51 #include "oops/typeArrayOop.inline.hpp" 52 #include "opto/ad.hpp" 53 #include "opto/addnode.hpp" 54 #include "opto/callnode.hpp" 55 #include "opto/cfgnode.hpp" 56 #include "opto/graphKit.hpp" 57 #include "opto/machnode.hpp" 58 #include "opto/matcher.hpp" 59 #include "opto/memnode.hpp" 60 #include "opto/mulnode.hpp" 61 #include "opto/runtime.hpp" 62 #include "opto/subnode.hpp" 63 #include "runtime/atomic.hpp" 64 #include "runtime/frame.inline.hpp" 65 #include "runtime/handles.inline.hpp" 66 #include "runtime/interfaceSupport.inline.hpp" 67 #include "runtime/javaCalls.hpp" 68 #include "runtime/sharedRuntime.hpp" 69 #include "runtime/signature.hpp" 70 #include "runtime/threadCritical.hpp" 71 #include "runtime/vframe.hpp" 72 #include "runtime/vframeArray.hpp" 73 #include "runtime/vframe_hp.hpp" 74 #include "utilities/copy.hpp" 75 #include "utilities/preserveException.hpp" 76 77 78 // For debugging purposes: 79 // To force FullGCALot inside a runtime function, add the following two lines 80 // 81 // Universe::release_fullgc_alot_dummy(); 82 // MarkSweep::invoke(0, "Debugging"); 83 // 84 // At command line specify the parameters: -XX:+FullGCALot -XX:FullGCALotStart=100000000 85 86 87 88 89 // Compiled code entry points 90 address OptoRuntime::_new_instance_Java = NULL; 91 address OptoRuntime::_new_array_Java = NULL; 92 address OptoRuntime::_new_array_nozero_Java = NULL; 93 address OptoRuntime::_multianewarray2_Java = NULL; 94 address OptoRuntime::_multianewarray3_Java = NULL; 95 address OptoRuntime::_multianewarray4_Java = NULL; 96 address OptoRuntime::_multianewarray5_Java = NULL; 97 address OptoRuntime::_multianewarrayN_Java = NULL; 98 address OptoRuntime::_g1_wb_pre_Java = NULL; 99 address OptoRuntime::_g1_wb_post_Java = NULL; 100 address OptoRuntime::_vtable_must_compile_Java = NULL; 101 address OptoRuntime::_complete_monitor_locking_Java = NULL; 102 address OptoRuntime::_monitor_notify_Java = NULL; 103 address OptoRuntime::_monitor_notifyAll_Java = NULL; 104 address OptoRuntime::_rethrow_Java = NULL; 105 106 address OptoRuntime::_slow_arraycopy_Java = NULL; 107 address OptoRuntime::_register_finalizer_Java = NULL; 108 109 ExceptionBlob* OptoRuntime::_exception_blob; 110 111 // This should be called in an assertion at the start of OptoRuntime routines 112 // which are entered from compiled code (all of them) 113 #ifdef ASSERT 114 static bool check_compiled_frame(JavaThread* thread) { 115 assert(thread->last_frame().is_runtime_frame(), "cannot call runtime directly from compiled code"); 116 RegisterMap map(thread, false); 117 frame caller = thread->last_frame().sender(&map); 118 assert(caller.is_compiled_frame(), "not being called from compiled like code"); 119 return true; 120 } 121 #endif // ASSERT 122 123 124 #define gen(env, var, type_func_gen, c_func, fancy_jump, pass_tls, save_arg_regs, return_pc) \ 125 var = generate_stub(env, type_func_gen, CAST_FROM_FN_PTR(address, c_func), #var, fancy_jump, pass_tls, save_arg_regs, return_pc); \ 126 if (var == NULL) { return false; } 127 128 bool OptoRuntime::generate(ciEnv* env) { 129 130 generate_exception_blob(); 131 132 // Note: tls: Means fetching the return oop out of the thread-local storage 133 // 134 // variable/name type-function-gen , runtime method ,fncy_jp, tls,save_args,retpc 135 // ------------------------------------------------------------------------------------------------------------------------------- 136 gen(env, _new_instance_Java , new_instance_Type , new_instance_C , 0 , true , false, false); 137 gen(env, _new_array_Java , new_array_Type , new_array_C , 0 , true , false, false); 138 gen(env, _new_array_nozero_Java , new_array_Type , new_array_nozero_C , 0 , true , false, false); 139 gen(env, _multianewarray2_Java , multianewarray2_Type , multianewarray2_C , 0 , true , false, false); 140 gen(env, _multianewarray3_Java , multianewarray3_Type , multianewarray3_C , 0 , true , false, false); 141 gen(env, _multianewarray4_Java , multianewarray4_Type , multianewarray4_C , 0 , true , false, false); 142 gen(env, _multianewarray5_Java , multianewarray5_Type , multianewarray5_C , 0 , true , false, false); 143 gen(env, _multianewarrayN_Java , multianewarrayN_Type , multianewarrayN_C , 0 , true , false, false); 144 gen(env, _g1_wb_pre_Java , g1_wb_pre_Type , SharedRuntime::g1_wb_pre , 0 , false, false, false); 145 gen(env, _g1_wb_post_Java , g1_wb_post_Type , SharedRuntime::g1_wb_post , 0 , false, false, false); 146 gen(env, _complete_monitor_locking_Java , complete_monitor_enter_Type , SharedRuntime::complete_monitor_locking_C, 0, false, false, false); 147 gen(env, _monitor_notify_Java , monitor_notify_Type , monitor_notify_C , 0 , false, false, false); 148 gen(env, _monitor_notifyAll_Java , monitor_notify_Type , monitor_notifyAll_C , 0 , false, false, false); 149 gen(env, _rethrow_Java , rethrow_Type , rethrow_C , 2 , true , false, true ); 150 151 gen(env, _slow_arraycopy_Java , slow_arraycopy_Type , SharedRuntime::slow_arraycopy_C , 0 , false, false, false); 152 gen(env, _register_finalizer_Java , register_finalizer_Type , register_finalizer , 0 , false, false, false); 153 154 return true; 155 } 156 157 #undef gen 158 159 160 // Helper method to do generation of RunTimeStub's 161 address OptoRuntime::generate_stub( ciEnv* env, 162 TypeFunc_generator gen, address C_function, 163 const char *name, int is_fancy_jump, 164 bool pass_tls, 165 bool save_argument_registers, 166 bool return_pc) { 167 168 // Matching the default directive, we currently have no method to match. 169 DirectiveSet* directive = DirectivesStack::getDefaultDirective(CompileBroker::compiler(CompLevel_full_optimization)); 170 ResourceMark rm; 171 Compile C( env, gen, C_function, name, is_fancy_jump, pass_tls, save_argument_registers, return_pc, directive); 172 DirectivesStack::release(directive); 173 return C.stub_entry_point(); 174 } 175 176 const char* OptoRuntime::stub_name(address entry) { 177 #ifndef PRODUCT 178 CodeBlob* cb = CodeCache::find_blob(entry); 179 RuntimeStub* rs =(RuntimeStub *)cb; 180 assert(rs != NULL && rs->is_runtime_stub(), "not a runtime stub"); 181 return rs->name(); 182 #else 183 // Fast implementation for product mode (maybe it should be inlined too) 184 return "runtime stub"; 185 #endif 186 } 187 188 189 //============================================================================= 190 // Opto compiler runtime routines 191 //============================================================================= 192 193 194 //=============================allocation====================================== 195 // We failed the fast-path allocation. Now we need to do a scavenge or GC 196 // and try allocation again. 197 198 // object allocation 199 JRT_BLOCK_ENTRY(void, OptoRuntime::new_instance_C(Klass* klass, JavaThread* thread)) 200 JRT_BLOCK; 201 #ifndef PRODUCT 202 SharedRuntime::_new_instance_ctr++; // new instance requires GC 203 #endif 204 assert(check_compiled_frame(thread), "incorrect caller"); 205 206 // These checks are cheap to make and support reflective allocation. 207 int lh = klass->layout_helper(); 208 if (Klass::layout_helper_needs_slow_path(lh) || !InstanceKlass::cast(klass)->is_initialized()) { 209 Handle holder(THREAD, klass->klass_holder()); // keep the klass alive 210 klass->check_valid_for_instantiation(false, THREAD); 211 if (!HAS_PENDING_EXCEPTION) { 212 InstanceKlass::cast(klass)->initialize(THREAD); 213 } 214 } 215 216 if (!HAS_PENDING_EXCEPTION) { 217 // Scavenge and allocate an instance. 218 Handle holder(THREAD, klass->klass_holder()); // keep the klass alive 219 oop result = InstanceKlass::cast(klass)->allocate_instance(THREAD); 220 thread->set_vm_result(result); 221 222 // Pass oops back through thread local storage. Our apparent type to Java 223 // is that we return an oop, but we can block on exit from this routine and 224 // a GC can trash the oop in C's return register. The generated stub will 225 // fetch the oop from TLS after any possible GC. 226 } 227 228 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); 229 JRT_BLOCK_END; 230 231 // inform GC that we won't do card marks for initializing writes. 232 SharedRuntime::on_slowpath_allocation_exit(thread); 233 JRT_END 234 235 236 // array allocation 237 JRT_BLOCK_ENTRY(void, OptoRuntime::new_array_C(Klass* array_type, int len, JavaThread *thread)) 238 JRT_BLOCK; 239 #ifndef PRODUCT 240 SharedRuntime::_new_array_ctr++; // new array requires GC 241 #endif 242 assert(check_compiled_frame(thread), "incorrect caller"); 243 244 // Scavenge and allocate an instance. 245 oop result; 246 247 if (array_type->is_typeArray_klass()) { 248 // The oopFactory likes to work with the element type. 249 // (We could bypass the oopFactory, since it doesn't add much value.) 250 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type(); 251 result = oopFactory::new_typeArray(elem_type, len, THREAD); 252 } else { 253 // Although the oopFactory likes to work with the elem_type, 254 // the compiler prefers the array_type, since it must already have 255 // that latter value in hand for the fast path. 256 Handle holder(THREAD, array_type->klass_holder()); // keep the array klass alive 257 Klass* elem_type = ObjArrayKlass::cast(array_type)->element_klass(); 258 result = oopFactory::new_objArray(elem_type, len, THREAD); 259 } 260 261 // Pass oops back through thread local storage. Our apparent type to Java 262 // is that we return an oop, but we can block on exit from this routine and 263 // a GC can trash the oop in C's return register. The generated stub will 264 // fetch the oop from TLS after any possible GC. 265 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); 266 thread->set_vm_result(result); 267 JRT_BLOCK_END; 268 269 // inform GC that we won't do card marks for initializing writes. 270 SharedRuntime::on_slowpath_allocation_exit(thread); 271 JRT_END 272 273 // array allocation without zeroing 274 JRT_BLOCK_ENTRY(void, OptoRuntime::new_array_nozero_C(Klass* array_type, int len, JavaThread *thread)) 275 JRT_BLOCK; 276 #ifndef PRODUCT 277 SharedRuntime::_new_array_ctr++; // new array requires GC 278 #endif 279 assert(check_compiled_frame(thread), "incorrect caller"); 280 281 // Scavenge and allocate an instance. 282 oop result; 283 284 assert(array_type->is_typeArray_klass(), "should be called only for type array"); 285 // The oopFactory likes to work with the element type. 286 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type(); 287 result = oopFactory::new_typeArray_nozero(elem_type, len, THREAD); 288 289 // Pass oops back through thread local storage. Our apparent type to Java 290 // is that we return an oop, but we can block on exit from this routine and 291 // a GC can trash the oop in C's return register. The generated stub will 292 // fetch the oop from TLS after any possible GC. 293 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); 294 thread->set_vm_result(result); 295 JRT_BLOCK_END; 296 297 298 // inform GC that we won't do card marks for initializing writes. 299 SharedRuntime::on_slowpath_allocation_exit(thread); 300 301 oop result = thread->vm_result(); 302 if ((len > 0) && (result != NULL) && 303 is_deoptimized_caller_frame(thread)) { 304 // Zero array here if the caller is deoptimized. 305 int size = ((typeArrayOop)result)->object_size(); 306 BasicType elem_type = TypeArrayKlass::cast(array_type)->element_type(); 307 const size_t hs = arrayOopDesc::header_size(elem_type); 308 // Align to next 8 bytes to avoid trashing arrays's length. 309 const size_t aligned_hs = align_object_offset(hs); 310 HeapWord* obj = (HeapWord*)result; 311 if (aligned_hs > hs) { 312 Copy::zero_to_words(obj+hs, aligned_hs-hs); 313 } 314 // Optimized zeroing. 315 Copy::fill_to_aligned_words(obj+aligned_hs, size-aligned_hs); 316 } 317 318 JRT_END 319 320 // Note: multianewarray for one dimension is handled inline by GraphKit::new_array. 321 322 // multianewarray for 2 dimensions 323 JRT_ENTRY(void, OptoRuntime::multianewarray2_C(Klass* elem_type, int len1, int len2, JavaThread *thread)) 324 #ifndef PRODUCT 325 SharedRuntime::_multi2_ctr++; // multianewarray for 1 dimension 326 #endif 327 assert(check_compiled_frame(thread), "incorrect caller"); 328 assert(elem_type->is_klass(), "not a class"); 329 jint dims[2]; 330 dims[0] = len1; 331 dims[1] = len2; 332 Handle holder(THREAD, elem_type->klass_holder()); // keep the klass alive 333 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(2, dims, THREAD); 334 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); 335 thread->set_vm_result(obj); 336 JRT_END 337 338 // multianewarray for 3 dimensions 339 JRT_ENTRY(void, OptoRuntime::multianewarray3_C(Klass* elem_type, int len1, int len2, int len3, JavaThread *thread)) 340 #ifndef PRODUCT 341 SharedRuntime::_multi3_ctr++; // multianewarray for 1 dimension 342 #endif 343 assert(check_compiled_frame(thread), "incorrect caller"); 344 assert(elem_type->is_klass(), "not a class"); 345 jint dims[3]; 346 dims[0] = len1; 347 dims[1] = len2; 348 dims[2] = len3; 349 Handle holder(THREAD, elem_type->klass_holder()); // keep the klass alive 350 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(3, dims, THREAD); 351 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); 352 thread->set_vm_result(obj); 353 JRT_END 354 355 // multianewarray for 4 dimensions 356 JRT_ENTRY(void, OptoRuntime::multianewarray4_C(Klass* elem_type, int len1, int len2, int len3, int len4, JavaThread *thread)) 357 #ifndef PRODUCT 358 SharedRuntime::_multi4_ctr++; // multianewarray for 1 dimension 359 #endif 360 assert(check_compiled_frame(thread), "incorrect caller"); 361 assert(elem_type->is_klass(), "not a class"); 362 jint dims[4]; 363 dims[0] = len1; 364 dims[1] = len2; 365 dims[2] = len3; 366 dims[3] = len4; 367 Handle holder(THREAD, elem_type->klass_holder()); // keep the klass alive 368 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(4, dims, THREAD); 369 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); 370 thread->set_vm_result(obj); 371 JRT_END 372 373 // multianewarray for 5 dimensions 374 JRT_ENTRY(void, OptoRuntime::multianewarray5_C(Klass* elem_type, int len1, int len2, int len3, int len4, int len5, JavaThread *thread)) 375 #ifndef PRODUCT 376 SharedRuntime::_multi5_ctr++; // multianewarray for 1 dimension 377 #endif 378 assert(check_compiled_frame(thread), "incorrect caller"); 379 assert(elem_type->is_klass(), "not a class"); 380 jint dims[5]; 381 dims[0] = len1; 382 dims[1] = len2; 383 dims[2] = len3; 384 dims[3] = len4; 385 dims[4] = len5; 386 Handle holder(THREAD, elem_type->klass_holder()); // keep the klass alive 387 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(5, dims, THREAD); 388 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); 389 thread->set_vm_result(obj); 390 JRT_END 391 392 JRT_ENTRY(void, OptoRuntime::multianewarrayN_C(Klass* elem_type, arrayOopDesc* dims, JavaThread *thread)) 393 assert(check_compiled_frame(thread), "incorrect caller"); 394 assert(elem_type->is_klass(), "not a class"); 395 assert(oop(dims)->is_typeArray(), "not an array"); 396 397 ResourceMark rm; 398 jint len = dims->length(); 399 assert(len > 0, "Dimensions array should contain data"); 400 jint *j_dims = typeArrayOop(dims)->int_at_addr(0); 401 jint *c_dims = NEW_RESOURCE_ARRAY(jint, len); 402 Copy::conjoint_jints_atomic(j_dims, c_dims, len); 403 404 Handle holder(THREAD, elem_type->klass_holder()); // keep the klass alive 405 oop obj = ArrayKlass::cast(elem_type)->multi_allocate(len, c_dims, THREAD); 406 deoptimize_caller_frame(thread, HAS_PENDING_EXCEPTION); 407 thread->set_vm_result(obj); 408 JRT_END 409 410 JRT_BLOCK_ENTRY(void, OptoRuntime::monitor_notify_C(oopDesc* obj, JavaThread *thread)) 411 412 // Very few notify/notifyAll operations find any threads on the waitset, so 413 // the dominant fast-path is to simply return. 414 // Relatedly, it's critical that notify/notifyAll be fast in order to 415 // reduce lock hold times. 416 if (!SafepointSynchronize::is_synchronizing()) { 417 if (ObjectSynchronizer::quick_notify(obj, thread, false)) { 418 return; 419 } 420 } 421 422 // This is the case the fast-path above isn't provisioned to handle. 423 // The fast-path is designed to handle frequently arising cases in an efficient manner. 424 // (The fast-path is just a degenerate variant of the slow-path). 425 // Perform the dreaded state transition and pass control into the slow-path. 426 JRT_BLOCK; 427 Handle h_obj(THREAD, obj); 428 ObjectSynchronizer::notify(h_obj, CHECK); 429 JRT_BLOCK_END; 430 JRT_END 431 432 JRT_BLOCK_ENTRY(void, OptoRuntime::monitor_notifyAll_C(oopDesc* obj, JavaThread *thread)) 433 434 if (!SafepointSynchronize::is_synchronizing() ) { 435 if (ObjectSynchronizer::quick_notify(obj, thread, true)) { 436 return; 437 } 438 } 439 440 // This is the case the fast-path above isn't provisioned to handle. 441 // The fast-path is designed to handle frequently arising cases in an efficient manner. 442 // (The fast-path is just a degenerate variant of the slow-path). 443 // Perform the dreaded state transition and pass control into the slow-path. 444 JRT_BLOCK; 445 Handle h_obj(THREAD, obj); 446 ObjectSynchronizer::notifyall(h_obj, CHECK); 447 JRT_BLOCK_END; 448 JRT_END 449 450 const TypeFunc *OptoRuntime::new_instance_Type() { 451 // create input type (domain) 452 const Type **fields = TypeTuple::fields(1); 453 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Klass to be allocated 454 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields); 455 456 // create result type (range) 457 fields = TypeTuple::fields(1); 458 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop 459 460 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); 461 462 return TypeFunc::make(domain, range); 463 } 464 465 466 const TypeFunc *OptoRuntime::athrow_Type() { 467 // create input type (domain) 468 const Type **fields = TypeTuple::fields(1); 469 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Klass to be allocated 470 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields); 471 472 // create result type (range) 473 fields = TypeTuple::fields(0); 474 475 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields); 476 477 return TypeFunc::make(domain, range); 478 } 479 480 481 const TypeFunc *OptoRuntime::new_array_Type() { 482 // create input type (domain) 483 const Type **fields = TypeTuple::fields(2); 484 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // element klass 485 fields[TypeFunc::Parms+1] = TypeInt::INT; // array size 486 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); 487 488 // create result type (range) 489 fields = TypeTuple::fields(1); 490 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop 491 492 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); 493 494 return TypeFunc::make(domain, range); 495 } 496 497 const TypeFunc *OptoRuntime::multianewarray_Type(int ndim) { 498 // create input type (domain) 499 const int nargs = ndim + 1; 500 const Type **fields = TypeTuple::fields(nargs); 501 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // element klass 502 for( int i = 1; i < nargs; i++ ) 503 fields[TypeFunc::Parms + i] = TypeInt::INT; // array size 504 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+nargs, fields); 505 506 // create result type (range) 507 fields = TypeTuple::fields(1); 508 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop 509 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); 510 511 return TypeFunc::make(domain, range); 512 } 513 514 const TypeFunc *OptoRuntime::multianewarray2_Type() { 515 return multianewarray_Type(2); 516 } 517 518 const TypeFunc *OptoRuntime::multianewarray3_Type() { 519 return multianewarray_Type(3); 520 } 521 522 const TypeFunc *OptoRuntime::multianewarray4_Type() { 523 return multianewarray_Type(4); 524 } 525 526 const TypeFunc *OptoRuntime::multianewarray5_Type() { 527 return multianewarray_Type(5); 528 } 529 530 const TypeFunc *OptoRuntime::multianewarrayN_Type() { 531 // create input type (domain) 532 const Type **fields = TypeTuple::fields(2); 533 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // element klass 534 fields[TypeFunc::Parms+1] = TypeInstPtr::NOTNULL; // array of dim sizes 535 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); 536 537 // create result type (range) 538 fields = TypeTuple::fields(1); 539 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Returned oop 540 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); 541 542 return TypeFunc::make(domain, range); 543 } 544 545 const TypeFunc *OptoRuntime::g1_wb_pre_Type() { 546 const Type **fields = TypeTuple::fields(2); 547 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // original field value 548 fields[TypeFunc::Parms+1] = TypeRawPtr::NOTNULL; // thread 549 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); 550 551 // create result type (range) 552 fields = TypeTuple::fields(0); 553 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields); 554 555 return TypeFunc::make(domain, range); 556 } 557 558 const TypeFunc *OptoRuntime::g1_wb_post_Type() { 559 560 const Type **fields = TypeTuple::fields(2); 561 fields[TypeFunc::Parms+0] = TypeRawPtr::NOTNULL; // Card addr 562 fields[TypeFunc::Parms+1] = TypeRawPtr::NOTNULL; // thread 563 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); 564 565 // create result type (range) 566 fields = TypeTuple::fields(0); 567 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields); 568 569 return TypeFunc::make(domain, range); 570 } 571 572 const TypeFunc *OptoRuntime::uncommon_trap_Type() { 573 // create input type (domain) 574 const Type **fields = TypeTuple::fields(1); 575 fields[TypeFunc::Parms+0] = TypeInt::INT; // trap_reason (deopt reason and action) 576 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields); 577 578 // create result type (range) 579 fields = TypeTuple::fields(0); 580 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields); 581 582 return TypeFunc::make(domain, range); 583 } 584 585 //----------------------------------------------------------------------------- 586 // Monitor Handling 587 const TypeFunc *OptoRuntime::complete_monitor_enter_Type() { 588 // create input type (domain) 589 const Type **fields = TypeTuple::fields(2); 590 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Object to be Locked 591 fields[TypeFunc::Parms+1] = TypeRawPtr::BOTTOM; // Address of stack location for lock 592 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields); 593 594 // create result type (range) 595 fields = TypeTuple::fields(0); 596 597 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields); 598 599 return TypeFunc::make(domain,range); 600 } 601 602 603 //----------------------------------------------------------------------------- 604 const TypeFunc *OptoRuntime::complete_monitor_exit_Type() { 605 // create input type (domain) 606 const Type **fields = TypeTuple::fields(3); 607 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Object to be Locked 608 fields[TypeFunc::Parms+1] = TypeRawPtr::BOTTOM; // Address of stack location for lock - BasicLock 609 fields[TypeFunc::Parms+2] = TypeRawPtr::BOTTOM; // Thread pointer (Self) 610 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+3, fields); 611 612 // create result type (range) 613 fields = TypeTuple::fields(0); 614 615 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields); 616 617 return TypeFunc::make(domain, range); 618 } 619 620 const TypeFunc *OptoRuntime::monitor_notify_Type() { 621 // create input type (domain) 622 const Type **fields = TypeTuple::fields(1); 623 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Object to be Locked 624 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields); 625 626 // create result type (range) 627 fields = TypeTuple::fields(0); 628 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0, fields); 629 return TypeFunc::make(domain, range); 630 } 631 632 const TypeFunc* OptoRuntime::flush_windows_Type() { 633 // create input type (domain) 634 const Type** fields = TypeTuple::fields(1); 635 fields[TypeFunc::Parms+0] = NULL; // void 636 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms, fields); 637 638 // create result type 639 fields = TypeTuple::fields(1); 640 fields[TypeFunc::Parms+0] = NULL; // void 641 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields); 642 643 return TypeFunc::make(domain, range); 644 } 645 646 const TypeFunc* OptoRuntime::l2f_Type() { 647 // create input type (domain) 648 const Type **fields = TypeTuple::fields(2); 649 fields[TypeFunc::Parms+0] = TypeLong::LONG; 650 fields[TypeFunc::Parms+1] = Type::HALF; 651 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); 652 653 // create result type (range) 654 fields = TypeTuple::fields(1); 655 fields[TypeFunc::Parms+0] = Type::FLOAT; 656 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); 657 658 return TypeFunc::make(domain, range); 659 } 660 661 const TypeFunc* OptoRuntime::modf_Type() { 662 const Type **fields = TypeTuple::fields(2); 663 fields[TypeFunc::Parms+0] = Type::FLOAT; 664 fields[TypeFunc::Parms+1] = Type::FLOAT; 665 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); 666 667 // create result type (range) 668 fields = TypeTuple::fields(1); 669 fields[TypeFunc::Parms+0] = Type::FLOAT; 670 671 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); 672 673 return TypeFunc::make(domain, range); 674 } 675 676 const TypeFunc *OptoRuntime::Math_D_D_Type() { 677 // create input type (domain) 678 const Type **fields = TypeTuple::fields(2); 679 // Symbol* name of class to be loaded 680 fields[TypeFunc::Parms+0] = Type::DOUBLE; 681 fields[TypeFunc::Parms+1] = Type::HALF; 682 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); 683 684 // create result type (range) 685 fields = TypeTuple::fields(2); 686 fields[TypeFunc::Parms+0] = Type::DOUBLE; 687 fields[TypeFunc::Parms+1] = Type::HALF; 688 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+2, fields); 689 690 return TypeFunc::make(domain, range); 691 } 692 693 const TypeFunc* OptoRuntime::Math_DD_D_Type() { 694 const Type **fields = TypeTuple::fields(4); 695 fields[TypeFunc::Parms+0] = Type::DOUBLE; 696 fields[TypeFunc::Parms+1] = Type::HALF; 697 fields[TypeFunc::Parms+2] = Type::DOUBLE; 698 fields[TypeFunc::Parms+3] = Type::HALF; 699 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+4, 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 //-------------- currentTimeMillis, currentTimeNanos, etc 711 712 const TypeFunc* OptoRuntime::void_long_Type() { 713 // create input type (domain) 714 const Type **fields = TypeTuple::fields(0); 715 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+0, fields); 716 717 // create result type (range) 718 fields = TypeTuple::fields(2); 719 fields[TypeFunc::Parms+0] = TypeLong::LONG; 720 fields[TypeFunc::Parms+1] = Type::HALF; 721 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+2, fields); 722 723 return TypeFunc::make(domain, range); 724 } 725 726 // arraycopy stub variations: 727 enum ArrayCopyType { 728 ac_fast, // void(ptr, ptr, size_t) 729 ac_checkcast, // int(ptr, ptr, size_t, size_t, ptr) 730 ac_slow, // void(ptr, int, ptr, int, int) 731 ac_generic // int(ptr, int, ptr, int, int) 732 }; 733 734 static const TypeFunc* make_arraycopy_Type(ArrayCopyType act) { 735 // create input type (domain) 736 int num_args = (act == ac_fast ? 3 : 5); 737 int num_size_args = (act == ac_fast ? 1 : act == ac_checkcast ? 2 : 0); 738 int argcnt = num_args; 739 LP64_ONLY(argcnt += num_size_args); // halfwords for lengths 740 const Type** fields = TypeTuple::fields(argcnt); 741 int argp = TypeFunc::Parms; 742 fields[argp++] = TypePtr::NOTNULL; // src 743 if (num_size_args == 0) { 744 fields[argp++] = TypeInt::INT; // src_pos 745 } 746 fields[argp++] = TypePtr::NOTNULL; // dest 747 if (num_size_args == 0) { 748 fields[argp++] = TypeInt::INT; // dest_pos 749 fields[argp++] = TypeInt::INT; // length 750 } 751 while (num_size_args-- > 0) { 752 fields[argp++] = TypeX_X; // size in whatevers (size_t) 753 LP64_ONLY(fields[argp++] = Type::HALF); // other half of long length 754 } 755 if (act == ac_checkcast) { 756 fields[argp++] = TypePtr::NOTNULL; // super_klass 757 } 758 assert(argp == TypeFunc::Parms+argcnt, "correct decoding of act"); 759 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); 760 761 // create result type if needed 762 int retcnt = (act == ac_checkcast || act == ac_generic ? 1 : 0); 763 fields = TypeTuple::fields(1); 764 if (retcnt == 0) 765 fields[TypeFunc::Parms+0] = NULL; // void 766 else 767 fields[TypeFunc::Parms+0] = TypeInt::INT; // status result, if needed 768 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+retcnt, fields); 769 return TypeFunc::make(domain, range); 770 } 771 772 const TypeFunc* OptoRuntime::fast_arraycopy_Type() { 773 // This signature is simple: Two base pointers and a size_t. 774 return make_arraycopy_Type(ac_fast); 775 } 776 777 const TypeFunc* OptoRuntime::checkcast_arraycopy_Type() { 778 // An extension of fast_arraycopy_Type which adds type checking. 779 return make_arraycopy_Type(ac_checkcast); 780 } 781 782 const TypeFunc* OptoRuntime::slow_arraycopy_Type() { 783 // This signature is exactly the same as System.arraycopy. 784 // There are no intptr_t (int/long) arguments. 785 return make_arraycopy_Type(ac_slow); 786 } 787 788 const TypeFunc* OptoRuntime::generic_arraycopy_Type() { 789 // This signature is like System.arraycopy, except that it returns status. 790 return make_arraycopy_Type(ac_generic); 791 } 792 793 794 const TypeFunc* OptoRuntime::array_fill_Type() { 795 const Type** fields; 796 int argp = TypeFunc::Parms; 797 // create input type (domain): pointer, int, size_t 798 fields = TypeTuple::fields(3 LP64_ONLY( + 1)); 799 fields[argp++] = TypePtr::NOTNULL; 800 fields[argp++] = TypeInt::INT; 801 fields[argp++] = TypeX_X; // size in whatevers (size_t) 802 LP64_ONLY(fields[argp++] = Type::HALF); // other half of long length 803 const TypeTuple *domain = TypeTuple::make(argp, fields); 804 805 // create result type 806 fields = TypeTuple::fields(1); 807 fields[TypeFunc::Parms+0] = NULL; // void 808 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields); 809 810 return TypeFunc::make(domain, range); 811 } 812 813 // for aescrypt encrypt/decrypt operations, just three pointers returning void (length is constant) 814 const TypeFunc* OptoRuntime::aescrypt_block_Type() { 815 // create input type (domain) 816 int num_args = 3; 817 if (Matcher::pass_original_key_for_aes()) { 818 num_args = 4; 819 } 820 int argcnt = num_args; 821 const Type** fields = TypeTuple::fields(argcnt); 822 int argp = TypeFunc::Parms; 823 fields[argp++] = TypePtr::NOTNULL; // src 824 fields[argp++] = TypePtr::NOTNULL; // dest 825 fields[argp++] = TypePtr::NOTNULL; // k array 826 if (Matcher::pass_original_key_for_aes()) { 827 fields[argp++] = TypePtr::NOTNULL; // original k array 828 } 829 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); 830 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); 831 832 // no result type needed 833 fields = TypeTuple::fields(1); 834 fields[TypeFunc::Parms+0] = NULL; // void 835 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields); 836 return TypeFunc::make(domain, range); 837 } 838 839 /** 840 * int updateBytesCRC32(int crc, byte* b, int len) 841 */ 842 const TypeFunc* OptoRuntime::updateBytesCRC32_Type() { 843 // create input type (domain) 844 int num_args = 3; 845 int argcnt = num_args; 846 const Type** fields = TypeTuple::fields(argcnt); 847 int argp = TypeFunc::Parms; 848 fields[argp++] = TypeInt::INT; // crc 849 fields[argp++] = TypePtr::NOTNULL; // src 850 fields[argp++] = TypeInt::INT; // len 851 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); 852 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); 853 854 // result type needed 855 fields = TypeTuple::fields(1); 856 fields[TypeFunc::Parms+0] = TypeInt::INT; // crc result 857 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+1, fields); 858 return TypeFunc::make(domain, range); 859 } 860 861 /** 862 * int updateBytesCRC32C(int crc, byte* buf, int len, int* table) 863 */ 864 const TypeFunc* OptoRuntime::updateBytesCRC32C_Type() { 865 // create input type (domain) 866 int num_args = 4; 867 int argcnt = num_args; 868 const Type** fields = TypeTuple::fields(argcnt); 869 int argp = TypeFunc::Parms; 870 fields[argp++] = TypeInt::INT; // crc 871 fields[argp++] = TypePtr::NOTNULL; // buf 872 fields[argp++] = TypeInt::INT; // len 873 fields[argp++] = TypePtr::NOTNULL; // table 874 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); 875 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); 876 877 // result type needed 878 fields = TypeTuple::fields(1); 879 fields[TypeFunc::Parms+0] = TypeInt::INT; // crc result 880 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+1, fields); 881 return TypeFunc::make(domain, range); 882 } 883 884 /** 885 * int updateBytesAdler32(int adler, bytes* b, int off, int len) 886 */ 887 const TypeFunc* OptoRuntime::updateBytesAdler32_Type() { 888 // create input type (domain) 889 int num_args = 3; 890 int argcnt = num_args; 891 const Type** fields = TypeTuple::fields(argcnt); 892 int argp = TypeFunc::Parms; 893 fields[argp++] = TypeInt::INT; // crc 894 fields[argp++] = TypePtr::NOTNULL; // src + offset 895 fields[argp++] = TypeInt::INT; // len 896 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); 897 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); 898 899 // result type needed 900 fields = TypeTuple::fields(1); 901 fields[TypeFunc::Parms+0] = TypeInt::INT; // crc result 902 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+1, fields); 903 return TypeFunc::make(domain, range); 904 } 905 906 // for cipherBlockChaining calls of aescrypt encrypt/decrypt, four pointers and a length, returning int 907 const TypeFunc* OptoRuntime::cipherBlockChaining_aescrypt_Type() { 908 // create input type (domain) 909 int num_args = 5; 910 if (Matcher::pass_original_key_for_aes()) { 911 num_args = 6; 912 } 913 int argcnt = num_args; 914 const Type** fields = TypeTuple::fields(argcnt); 915 int argp = TypeFunc::Parms; 916 fields[argp++] = TypePtr::NOTNULL; // src 917 fields[argp++] = TypePtr::NOTNULL; // dest 918 fields[argp++] = TypePtr::NOTNULL; // k array 919 fields[argp++] = TypePtr::NOTNULL; // r array 920 fields[argp++] = TypeInt::INT; // src len 921 if (Matcher::pass_original_key_for_aes()) { 922 fields[argp++] = TypePtr::NOTNULL; // original k array 923 } 924 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); 925 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); 926 927 // returning cipher len (int) 928 fields = TypeTuple::fields(1); 929 fields[TypeFunc::Parms+0] = TypeInt::INT; 930 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+1, fields); 931 return TypeFunc::make(domain, range); 932 } 933 934 //for counterMode calls of aescrypt encrypt/decrypt, four pointers and a length, returning int 935 const TypeFunc* OptoRuntime::counterMode_aescrypt_Type() { 936 // create input type (domain) 937 int num_args = 7; 938 if (Matcher::pass_original_key_for_aes()) { 939 num_args = 8; 940 } 941 int argcnt = num_args; 942 const Type** fields = TypeTuple::fields(argcnt); 943 int argp = TypeFunc::Parms; 944 fields[argp++] = TypePtr::NOTNULL; // src 945 fields[argp++] = TypePtr::NOTNULL; // dest 946 fields[argp++] = TypePtr::NOTNULL; // k array 947 fields[argp++] = TypePtr::NOTNULL; // counter array 948 fields[argp++] = TypeInt::INT; // src len 949 fields[argp++] = TypePtr::NOTNULL; // saved_encCounter 950 fields[argp++] = TypePtr::NOTNULL; // saved used addr 951 if (Matcher::pass_original_key_for_aes()) { 952 fields[argp++] = TypePtr::NOTNULL; // original k array 953 } 954 assert(argp == TypeFunc::Parms + argcnt, "correct decoding"); 955 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms + argcnt, fields); 956 // returning cipher len (int) 957 fields = TypeTuple::fields(1); 958 fields[TypeFunc::Parms + 0] = TypeInt::INT; 959 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms + 1, fields); 960 return TypeFunc::make(domain, range); 961 } 962 963 /* 964 * void implCompress(byte[] buf, int ofs) 965 */ 966 const TypeFunc* OptoRuntime::sha_implCompress_Type() { 967 // create input type (domain) 968 int num_args = 2; 969 int argcnt = num_args; 970 const Type** fields = TypeTuple::fields(argcnt); 971 int argp = TypeFunc::Parms; 972 fields[argp++] = TypePtr::NOTNULL; // buf 973 fields[argp++] = TypePtr::NOTNULL; // state 974 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); 975 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); 976 977 // no result type needed 978 fields = TypeTuple::fields(1); 979 fields[TypeFunc::Parms+0] = NULL; // void 980 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields); 981 return TypeFunc::make(domain, range); 982 } 983 984 /* 985 * int implCompressMultiBlock(byte[] b, int ofs, int limit) 986 */ 987 const TypeFunc* OptoRuntime::digestBase_implCompressMB_Type() { 988 // create input type (domain) 989 int num_args = 4; 990 int argcnt = num_args; 991 const Type** fields = TypeTuple::fields(argcnt); 992 int argp = TypeFunc::Parms; 993 fields[argp++] = TypePtr::NOTNULL; // buf 994 fields[argp++] = TypePtr::NOTNULL; // state 995 fields[argp++] = TypeInt::INT; // ofs 996 fields[argp++] = TypeInt::INT; // limit 997 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); 998 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); 999 1000 // returning ofs (int) 1001 fields = TypeTuple::fields(1); 1002 fields[TypeFunc::Parms+0] = TypeInt::INT; // ofs 1003 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+1, fields); 1004 return TypeFunc::make(domain, range); 1005 } 1006 1007 const TypeFunc* OptoRuntime::multiplyToLen_Type() { 1008 // create input type (domain) 1009 int num_args = 6; 1010 int argcnt = num_args; 1011 const Type** fields = TypeTuple::fields(argcnt); 1012 int argp = TypeFunc::Parms; 1013 fields[argp++] = TypePtr::NOTNULL; // x 1014 fields[argp++] = TypeInt::INT; // xlen 1015 fields[argp++] = TypePtr::NOTNULL; // y 1016 fields[argp++] = TypeInt::INT; // ylen 1017 fields[argp++] = TypePtr::NOTNULL; // z 1018 fields[argp++] = TypeInt::INT; // zlen 1019 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); 1020 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); 1021 1022 // no result type needed 1023 fields = TypeTuple::fields(1); 1024 fields[TypeFunc::Parms+0] = NULL; 1025 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields); 1026 return TypeFunc::make(domain, range); 1027 } 1028 1029 const TypeFunc* OptoRuntime::squareToLen_Type() { 1030 // create input type (domain) 1031 int num_args = 4; 1032 int argcnt = num_args; 1033 const Type** fields = TypeTuple::fields(argcnt); 1034 int argp = TypeFunc::Parms; 1035 fields[argp++] = TypePtr::NOTNULL; // x 1036 fields[argp++] = TypeInt::INT; // len 1037 fields[argp++] = TypePtr::NOTNULL; // z 1038 fields[argp++] = TypeInt::INT; // zlen 1039 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); 1040 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); 1041 1042 // no result type needed 1043 fields = TypeTuple::fields(1); 1044 fields[TypeFunc::Parms+0] = NULL; 1045 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields); 1046 return TypeFunc::make(domain, range); 1047 } 1048 1049 // for mulAdd calls, 2 pointers and 3 ints, returning int 1050 const TypeFunc* OptoRuntime::mulAdd_Type() { 1051 // create input type (domain) 1052 int num_args = 5; 1053 int argcnt = num_args; 1054 const Type** fields = TypeTuple::fields(argcnt); 1055 int argp = TypeFunc::Parms; 1056 fields[argp++] = TypePtr::NOTNULL; // out 1057 fields[argp++] = TypePtr::NOTNULL; // in 1058 fields[argp++] = TypeInt::INT; // offset 1059 fields[argp++] = TypeInt::INT; // len 1060 fields[argp++] = TypeInt::INT; // k 1061 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); 1062 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); 1063 1064 // returning carry (int) 1065 fields = TypeTuple::fields(1); 1066 fields[TypeFunc::Parms+0] = TypeInt::INT; 1067 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms+1, fields); 1068 return TypeFunc::make(domain, range); 1069 } 1070 1071 const TypeFunc* OptoRuntime::montgomeryMultiply_Type() { 1072 // create input type (domain) 1073 int num_args = 7; 1074 int argcnt = num_args; 1075 const Type** fields = TypeTuple::fields(argcnt); 1076 int argp = TypeFunc::Parms; 1077 fields[argp++] = TypePtr::NOTNULL; // a 1078 fields[argp++] = TypePtr::NOTNULL; // b 1079 fields[argp++] = TypePtr::NOTNULL; // n 1080 fields[argp++] = TypeInt::INT; // len 1081 fields[argp++] = TypeLong::LONG; // inv 1082 fields[argp++] = Type::HALF; 1083 fields[argp++] = TypePtr::NOTNULL; // result 1084 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); 1085 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); 1086 1087 // result type needed 1088 fields = TypeTuple::fields(1); 1089 fields[TypeFunc::Parms+0] = TypePtr::NOTNULL; 1090 1091 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields); 1092 return TypeFunc::make(domain, range); 1093 } 1094 1095 const TypeFunc* OptoRuntime::montgomerySquare_Type() { 1096 // create input type (domain) 1097 int num_args = 6; 1098 int argcnt = num_args; 1099 const Type** fields = TypeTuple::fields(argcnt); 1100 int argp = TypeFunc::Parms; 1101 fields[argp++] = TypePtr::NOTNULL; // a 1102 fields[argp++] = TypePtr::NOTNULL; // n 1103 fields[argp++] = TypeInt::INT; // len 1104 fields[argp++] = TypeLong::LONG; // inv 1105 fields[argp++] = Type::HALF; 1106 fields[argp++] = TypePtr::NOTNULL; // result 1107 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); 1108 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); 1109 1110 // result type needed 1111 fields = TypeTuple::fields(1); 1112 fields[TypeFunc::Parms+0] = TypePtr::NOTNULL; 1113 1114 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields); 1115 return TypeFunc::make(domain, range); 1116 } 1117 1118 const TypeFunc* OptoRuntime::vectorizedMismatch_Type() { 1119 // create input type (domain) 1120 int num_args = 4; 1121 int argcnt = num_args; 1122 const Type** fields = TypeTuple::fields(argcnt); 1123 int argp = TypeFunc::Parms; 1124 fields[argp++] = TypePtr::NOTNULL; // obja 1125 fields[argp++] = TypePtr::NOTNULL; // objb 1126 fields[argp++] = TypeInt::INT; // length, number of elements 1127 fields[argp++] = TypeInt::INT; // log2scale, element size 1128 assert(argp == TypeFunc::Parms + argcnt, "correct decoding"); 1129 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms + argcnt, fields); 1130 1131 //return mismatch index (int) 1132 fields = TypeTuple::fields(1); 1133 fields[TypeFunc::Parms + 0] = TypeInt::INT; 1134 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms + 1, fields); 1135 return TypeFunc::make(domain, range); 1136 } 1137 1138 // GHASH block processing 1139 const TypeFunc* OptoRuntime::ghash_processBlocks_Type() { 1140 int argcnt = 4; 1141 1142 const Type** fields = TypeTuple::fields(argcnt); 1143 int argp = TypeFunc::Parms; 1144 fields[argp++] = TypePtr::NOTNULL; // state 1145 fields[argp++] = TypePtr::NOTNULL; // subkeyH 1146 fields[argp++] = TypePtr::NOTNULL; // data 1147 fields[argp++] = TypeInt::INT; // blocks 1148 assert(argp == TypeFunc::Parms+argcnt, "correct decoding"); 1149 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); 1150 1151 // result type needed 1152 fields = TypeTuple::fields(1); 1153 fields[TypeFunc::Parms+0] = NULL; // void 1154 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields); 1155 return TypeFunc::make(domain, range); 1156 } 1157 // Base64 encode function 1158 const TypeFunc* OptoRuntime::base64_encodeBlock_Type() { 1159 int argcnt = 6; 1160 1161 const Type** fields = TypeTuple::fields(argcnt); 1162 int argp = TypeFunc::Parms; 1163 fields[argp++] = TypePtr::NOTNULL; // src array 1164 fields[argp++] = TypeInt::INT; // offset 1165 fields[argp++] = TypeInt::INT; // length 1166 fields[argp++] = TypePtr::NOTNULL; // dest array 1167 fields[argp++] = TypeInt::INT; // dp 1168 fields[argp++] = TypeInt::BOOL; // isURL 1169 assert(argp == TypeFunc::Parms + argcnt, "correct decoding"); 1170 const TypeTuple* domain = TypeTuple::make(TypeFunc::Parms+argcnt, fields); 1171 1172 // result type needed 1173 fields = TypeTuple::fields(1); 1174 fields[TypeFunc::Parms + 0] = NULL; // void 1175 const TypeTuple* range = TypeTuple::make(TypeFunc::Parms, fields); 1176 return TypeFunc::make(domain, range); 1177 } 1178 1179 //------------- Interpreter state access for on stack replacement 1180 const TypeFunc* OptoRuntime::osr_end_Type() { 1181 // create input type (domain) 1182 const Type **fields = TypeTuple::fields(1); 1183 fields[TypeFunc::Parms+0] = TypeRawPtr::BOTTOM; // OSR temp buf 1184 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1, fields); 1185 1186 // create result type 1187 fields = TypeTuple::fields(1); 1188 // fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // locked oop 1189 fields[TypeFunc::Parms+0] = NULL; // void 1190 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields); 1191 return TypeFunc::make(domain, range); 1192 } 1193 1194 //-------------- methodData update helpers 1195 1196 const TypeFunc* OptoRuntime::profile_receiver_type_Type() { 1197 // create input type (domain) 1198 const Type **fields = TypeTuple::fields(2); 1199 fields[TypeFunc::Parms+0] = TypeAryPtr::NOTNULL; // methodData pointer 1200 fields[TypeFunc::Parms+1] = TypeInstPtr::BOTTOM; // receiver oop 1201 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2, fields); 1202 1203 // create result type 1204 fields = TypeTuple::fields(1); 1205 fields[TypeFunc::Parms+0] = NULL; // void 1206 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms, fields); 1207 return TypeFunc::make(domain,range); 1208 } 1209 1210 JRT_LEAF(void, OptoRuntime::profile_receiver_type_C(DataLayout* data, oopDesc* receiver)) 1211 if (receiver == NULL) return; 1212 Klass* receiver_klass = receiver->klass(); 1213 1214 intptr_t* mdp = ((intptr_t*)(data)) + DataLayout::header_size_in_cells(); 1215 int empty_row = -1; // free row, if any is encountered 1216 1217 // ReceiverTypeData* vc = new ReceiverTypeData(mdp); 1218 for (uint row = 0; row < ReceiverTypeData::row_limit(); row++) { 1219 // if (vc->receiver(row) == receiver_klass) 1220 int receiver_off = ReceiverTypeData::receiver_cell_index(row); 1221 intptr_t row_recv = *(mdp + receiver_off); 1222 if (row_recv == (intptr_t) receiver_klass) { 1223 // vc->set_receiver_count(row, vc->receiver_count(row) + DataLayout::counter_increment); 1224 int count_off = ReceiverTypeData::receiver_count_cell_index(row); 1225 *(mdp + count_off) += DataLayout::counter_increment; 1226 return; 1227 } else if (row_recv == 0) { 1228 // else if (vc->receiver(row) == NULL) 1229 empty_row = (int) row; 1230 } 1231 } 1232 1233 if (empty_row != -1) { 1234 int receiver_off = ReceiverTypeData::receiver_cell_index(empty_row); 1235 // vc->set_receiver(empty_row, receiver_klass); 1236 *(mdp + receiver_off) = (intptr_t) receiver_klass; 1237 // vc->set_receiver_count(empty_row, DataLayout::counter_increment); 1238 int count_off = ReceiverTypeData::receiver_count_cell_index(empty_row); 1239 *(mdp + count_off) = DataLayout::counter_increment; 1240 } else { 1241 // Receiver did not match any saved receiver and there is no empty row for it. 1242 // Increment total counter to indicate polymorphic case. 1243 intptr_t* count_p = (intptr_t*)(((uint8_t*)(data)) + in_bytes(CounterData::count_offset())); 1244 *count_p += DataLayout::counter_increment; 1245 } 1246 JRT_END 1247 1248 //------------------------------------------------------------------------------------- 1249 // register policy 1250 1251 bool OptoRuntime::is_callee_saved_register(MachRegisterNumbers reg) { 1252 assert(reg >= 0 && reg < _last_Mach_Reg, "must be a machine register"); 1253 switch (register_save_policy[reg]) { 1254 case 'C': return false; //SOC 1255 case 'E': return true ; //SOE 1256 case 'N': return false; //NS 1257 case 'A': return false; //AS 1258 } 1259 ShouldNotReachHere(); 1260 return false; 1261 } 1262 1263 //----------------------------------------------------------------------- 1264 // Exceptions 1265 // 1266 1267 static void trace_exception(outputStream* st, oop exception_oop, address exception_pc, const char* msg); 1268 1269 // The method is an entry that is always called by a C++ method not 1270 // directly from compiled code. Compiled code will call the C++ method following. 1271 // We can't allow async exception to be installed during exception processing. 1272 JRT_ENTRY_NO_ASYNC(address, OptoRuntime::handle_exception_C_helper(JavaThread* thread, nmethod* &nm)) 1273 1274 // Do not confuse exception_oop with pending_exception. The exception_oop 1275 // is only used to pass arguments into the method. Not for general 1276 // exception handling. DO NOT CHANGE IT to use pending_exception, since 1277 // the runtime stubs checks this on exit. 1278 assert(thread->exception_oop() != NULL, "exception oop is found"); 1279 address handler_address = NULL; 1280 1281 Handle exception(thread, thread->exception_oop()); 1282 address pc = thread->exception_pc(); 1283 1284 // Clear out the exception oop and pc since looking up an 1285 // exception handler can cause class loading, which might throw an 1286 // exception and those fields are expected to be clear during 1287 // normal bytecode execution. 1288 thread->clear_exception_oop_and_pc(); 1289 1290 LogTarget(Info, exceptions) lt; 1291 if (lt.is_enabled()) { 1292 ResourceMark rm; 1293 LogStream ls(lt); 1294 trace_exception(&ls, exception(), pc, ""); 1295 } 1296 1297 // for AbortVMOnException flag 1298 Exceptions::debug_check_abort(exception); 1299 1300 #ifdef ASSERT 1301 if (!(exception->is_a(SystemDictionary::Throwable_klass()))) { 1302 // should throw an exception here 1303 ShouldNotReachHere(); 1304 } 1305 #endif 1306 1307 // new exception handling: this method is entered only from adapters 1308 // exceptions from compiled java methods are handled in compiled code 1309 // using rethrow node 1310 1311 nm = CodeCache::find_nmethod(pc); 1312 assert(nm != NULL, "No NMethod found"); 1313 if (nm->is_native_method()) { 1314 fatal("Native method should not have path to exception handling"); 1315 } else { 1316 // we are switching to old paradigm: search for exception handler in caller_frame 1317 // instead in exception handler of caller_frame.sender() 1318 1319 if (JvmtiExport::can_post_on_exceptions()) { 1320 // "Full-speed catching" is not necessary here, 1321 // since we're notifying the VM on every catch. 1322 // Force deoptimization and the rest of the lookup 1323 // will be fine. 1324 deoptimize_caller_frame(thread); 1325 } 1326 1327 // Check the stack guard pages. If enabled, look for handler in this frame; 1328 // otherwise, forcibly unwind the frame. 1329 // 1330 // 4826555: use default current sp for reguard_stack instead of &nm: it's more accurate. 1331 bool force_unwind = !thread->reguard_stack(); 1332 bool deopting = false; 1333 if (nm->is_deopt_pc(pc)) { 1334 deopting = true; 1335 RegisterMap map(thread, false); 1336 frame deoptee = thread->last_frame().sender(&map); 1337 assert(deoptee.is_deoptimized_frame(), "must be deopted"); 1338 // Adjust the pc back to the original throwing pc 1339 pc = deoptee.pc(); 1340 } 1341 1342 // If we are forcing an unwind because of stack overflow then deopt is 1343 // irrelevant since we are throwing the frame away anyway. 1344 1345 if (deopting && !force_unwind) { 1346 handler_address = SharedRuntime::deopt_blob()->unpack_with_exception(); 1347 } else { 1348 1349 handler_address = 1350 force_unwind ? NULL : nm->handler_for_exception_and_pc(exception, pc); 1351 1352 if (handler_address == NULL) { 1353 bool recursive_exception = false; 1354 handler_address = SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, force_unwind, true, recursive_exception); 1355 assert (handler_address != NULL, "must have compiled handler"); 1356 // Update the exception cache only when the unwind was not forced 1357 // and there didn't happen another exception during the computation of the 1358 // compiled exception handler. Checking for exception oop equality is not 1359 // sufficient because some exceptions are pre-allocated and reused. 1360 if (!force_unwind && !recursive_exception) { 1361 nm->add_handler_for_exception_and_pc(exception,pc,handler_address); 1362 } 1363 } else { 1364 #ifdef ASSERT 1365 bool recursive_exception = false; 1366 address computed_address = SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, force_unwind, true, recursive_exception); 1367 vmassert(recursive_exception || (handler_address == computed_address), "Handler address inconsistency: " PTR_FORMAT " != " PTR_FORMAT, 1368 p2i(handler_address), p2i(computed_address)); 1369 #endif 1370 } 1371 } 1372 1373 thread->set_exception_pc(pc); 1374 thread->set_exception_handler_pc(handler_address); 1375 1376 // Check if the exception PC is a MethodHandle call site. 1377 thread->set_is_method_handle_return(nm->is_method_handle_return(pc)); 1378 } 1379 1380 // Restore correct return pc. Was saved above. 1381 thread->set_exception_oop(exception()); 1382 return handler_address; 1383 1384 JRT_END 1385 1386 // We are entering here from exception_blob 1387 // If there is a compiled exception handler in this method, we will continue there; 1388 // otherwise we will unwind the stack and continue at the caller of top frame method 1389 // Note we enter without the usual JRT wrapper. We will call a helper routine that 1390 // will do the normal VM entry. We do it this way so that we can see if the nmethod 1391 // we looked up the handler for has been deoptimized in the meantime. If it has been 1392 // we must not use the handler and instead return the deopt blob. 1393 address OptoRuntime::handle_exception_C(JavaThread* thread) { 1394 // 1395 // We are in Java not VM and in debug mode we have a NoHandleMark 1396 // 1397 #ifndef PRODUCT 1398 SharedRuntime::_find_handler_ctr++; // find exception handler 1399 #endif 1400 debug_only(NoHandleMark __hm;) 1401 nmethod* nm = NULL; 1402 address handler_address = NULL; 1403 { 1404 // Enter the VM 1405 1406 ResetNoHandleMark rnhm; 1407 handler_address = handle_exception_C_helper(thread, nm); 1408 } 1409 1410 // Back in java: Use no oops, DON'T safepoint 1411 1412 // Now check to see if the handler we are returning is in a now 1413 // deoptimized frame 1414 1415 if (nm != NULL) { 1416 RegisterMap map(thread, false); 1417 frame caller = thread->last_frame().sender(&map); 1418 #ifdef ASSERT 1419 assert(caller.is_compiled_frame(), "must be"); 1420 #endif // ASSERT 1421 if (caller.is_deoptimized_frame()) { 1422 handler_address = SharedRuntime::deopt_blob()->unpack_with_exception(); 1423 } 1424 } 1425 return handler_address; 1426 } 1427 1428 //------------------------------rethrow---------------------------------------- 1429 // We get here after compiled code has executed a 'RethrowNode'. The callee 1430 // is either throwing or rethrowing an exception. The callee-save registers 1431 // have been restored, synchronized objects have been unlocked and the callee 1432 // stack frame has been removed. The return address was passed in. 1433 // Exception oop is passed as the 1st argument. This routine is then called 1434 // from the stub. On exit, we know where to jump in the caller's code. 1435 // After this C code exits, the stub will pop his frame and end in a jump 1436 // (instead of a return). We enter the caller's default handler. 1437 // 1438 // This must be JRT_LEAF: 1439 // - caller will not change its state as we cannot block on exit, 1440 // therefore raw_exception_handler_for_return_address is all it takes 1441 // to handle deoptimized blobs 1442 // 1443 // However, there needs to be a safepoint check in the middle! So compiled 1444 // safepoints are completely watertight. 1445 // 1446 // Thus, it cannot be a leaf since it contains the NoGCVerifier. 1447 // 1448 // *THIS IS NOT RECOMMENDED PROGRAMMING STYLE* 1449 // 1450 address OptoRuntime::rethrow_C(oopDesc* exception, JavaThread* thread, address ret_pc) { 1451 #ifndef PRODUCT 1452 SharedRuntime::_rethrow_ctr++; // count rethrows 1453 #endif 1454 assert (exception != NULL, "should have thrown a NULLPointerException"); 1455 #ifdef ASSERT 1456 if (!(exception->is_a(SystemDictionary::Throwable_klass()))) { 1457 // should throw an exception here 1458 ShouldNotReachHere(); 1459 } 1460 #endif 1461 1462 thread->set_vm_result(exception); 1463 // Frame not compiled (handles deoptimization blob) 1464 return SharedRuntime::raw_exception_handler_for_return_address(thread, ret_pc); 1465 } 1466 1467 1468 const TypeFunc *OptoRuntime::rethrow_Type() { 1469 // create input type (domain) 1470 const Type **fields = TypeTuple::fields(1); 1471 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Exception oop 1472 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1,fields); 1473 1474 // create result type (range) 1475 fields = TypeTuple::fields(1); 1476 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // Exception oop 1477 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+1, fields); 1478 1479 return TypeFunc::make(domain, range); 1480 } 1481 1482 1483 void OptoRuntime::deoptimize_caller_frame(JavaThread *thread, bool doit) { 1484 // Deoptimize the caller before continuing, as the compiled 1485 // exception handler table may not be valid. 1486 if (!StressCompiledExceptionHandlers && doit) { 1487 deoptimize_caller_frame(thread); 1488 } 1489 } 1490 1491 void OptoRuntime::deoptimize_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 1498 // Deoptimize the caller frame. 1499 Deoptimization::deoptimize_frame(thread, caller_frame.id()); 1500 } 1501 1502 1503 bool OptoRuntime::is_deoptimized_caller_frame(JavaThread *thread) { 1504 // Called from within the owner thread, so no need for safepoint 1505 RegisterMap reg_map(thread); 1506 frame stub_frame = thread->last_frame(); 1507 assert(stub_frame.is_runtime_frame() || exception_blob()->contains(stub_frame.pc()), "sanity check"); 1508 frame caller_frame = stub_frame.sender(®_map); 1509 return caller_frame.is_deoptimized_frame(); 1510 } 1511 1512 1513 const TypeFunc *OptoRuntime::register_finalizer_Type() { 1514 // create input type (domain) 1515 const Type **fields = TypeTuple::fields(1); 1516 fields[TypeFunc::Parms+0] = TypeInstPtr::NOTNULL; // oop; Receiver 1517 // // The JavaThread* is passed to each routine as the last argument 1518 // fields[TypeFunc::Parms+1] = TypeRawPtr::NOTNULL; // JavaThread *; Executing thread 1519 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+1,fields); 1520 1521 // create result type (range) 1522 fields = TypeTuple::fields(0); 1523 1524 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields); 1525 1526 return TypeFunc::make(domain,range); 1527 } 1528 1529 1530 //----------------------------------------------------------------------------- 1531 // Dtrace support. entry and exit probes have the same signature 1532 const TypeFunc *OptoRuntime::dtrace_method_entry_exit_Type() { 1533 // create input type (domain) 1534 const Type **fields = TypeTuple::fields(2); 1535 fields[TypeFunc::Parms+0] = TypeRawPtr::BOTTOM; // Thread-local storage 1536 fields[TypeFunc::Parms+1] = TypeMetadataPtr::BOTTOM; // Method*; Method we are entering 1537 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields); 1538 1539 // create result type (range) 1540 fields = TypeTuple::fields(0); 1541 1542 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields); 1543 1544 return TypeFunc::make(domain,range); 1545 } 1546 1547 const TypeFunc *OptoRuntime::dtrace_object_alloc_Type() { 1548 // create input type (domain) 1549 const Type **fields = TypeTuple::fields(2); 1550 fields[TypeFunc::Parms+0] = TypeRawPtr::BOTTOM; // Thread-local storage 1551 fields[TypeFunc::Parms+1] = TypeInstPtr::NOTNULL; // oop; newly allocated object 1552 1553 const TypeTuple *domain = TypeTuple::make(TypeFunc::Parms+2,fields); 1554 1555 // create result type (range) 1556 fields = TypeTuple::fields(0); 1557 1558 const TypeTuple *range = TypeTuple::make(TypeFunc::Parms+0,fields); 1559 1560 return TypeFunc::make(domain,range); 1561 } 1562 1563 1564 JRT_ENTRY_NO_ASYNC(void, OptoRuntime::register_finalizer(oopDesc* obj, JavaThread* thread)) 1565 assert(oopDesc::is_oop(obj), "must be a valid oop"); 1566 assert(obj->klass()->has_finalizer(), "shouldn't be here otherwise"); 1567 InstanceKlass::register_finalizer(instanceOop(obj), CHECK); 1568 JRT_END 1569 1570 //----------------------------------------------------------------------------- 1571 1572 NamedCounter * volatile OptoRuntime::_named_counters = NULL; 1573 1574 // 1575 // dump the collected NamedCounters. 1576 // 1577 void OptoRuntime::print_named_counters() { 1578 int total_lock_count = 0; 1579 int eliminated_lock_count = 0; 1580 1581 NamedCounter* c = _named_counters; 1582 while (c) { 1583 if (c->tag() == NamedCounter::LockCounter || c->tag() == NamedCounter::EliminatedLockCounter) { 1584 int count = c->count(); 1585 if (count > 0) { 1586 bool eliminated = c->tag() == NamedCounter::EliminatedLockCounter; 1587 if (Verbose) { 1588 tty->print_cr("%d %s%s", count, c->name(), eliminated ? " (eliminated)" : ""); 1589 } 1590 total_lock_count += count; 1591 if (eliminated) { 1592 eliminated_lock_count += count; 1593 } 1594 } 1595 } else if (c->tag() == NamedCounter::BiasedLockingCounter) { 1596 BiasedLockingCounters* blc = ((BiasedLockingNamedCounter*)c)->counters(); 1597 if (blc->nonzero()) { 1598 tty->print_cr("%s", c->name()); 1599 blc->print_on(tty); 1600 } 1601 #if INCLUDE_RTM_OPT 1602 } else if (c->tag() == NamedCounter::RTMLockingCounter) { 1603 RTMLockingCounters* rlc = ((RTMLockingNamedCounter*)c)->counters(); 1604 if (rlc->nonzero()) { 1605 tty->print_cr("%s", c->name()); 1606 rlc->print_on(tty); 1607 } 1608 #endif 1609 } 1610 c = c->next(); 1611 } 1612 if (total_lock_count > 0) { 1613 tty->print_cr("dynamic locks: %d", total_lock_count); 1614 if (eliminated_lock_count) { 1615 tty->print_cr("eliminated locks: %d (%d%%)", eliminated_lock_count, 1616 (int)(eliminated_lock_count * 100.0 / total_lock_count)); 1617 } 1618 } 1619 } 1620 1621 // 1622 // Allocate a new NamedCounter. The JVMState is used to generate the 1623 // name which consists of method@line for the inlining tree. 1624 // 1625 1626 NamedCounter* OptoRuntime::new_named_counter(JVMState* youngest_jvms, NamedCounter::CounterTag tag) { 1627 int max_depth = youngest_jvms->depth(); 1628 1629 // Visit scopes from youngest to oldest. 1630 bool first = true; 1631 stringStream st; 1632 for (int depth = max_depth; depth >= 1; depth--) { 1633 JVMState* jvms = youngest_jvms->of_depth(depth); 1634 ciMethod* m = jvms->has_method() ? jvms->method() : NULL; 1635 if (!first) { 1636 st.print(" "); 1637 } else { 1638 first = false; 1639 } 1640 int bci = jvms->bci(); 1641 if (bci < 0) bci = 0; 1642 st.print("%s.%s@%d", m->holder()->name()->as_utf8(), m->name()->as_utf8(), bci); 1643 // To print linenumbers instead of bci use: m->line_number_from_bci(bci) 1644 } 1645 NamedCounter* c; 1646 if (tag == NamedCounter::BiasedLockingCounter) { 1647 c = new BiasedLockingNamedCounter(st.as_string()); 1648 } else if (tag == NamedCounter::RTMLockingCounter) { 1649 c = new RTMLockingNamedCounter(st.as_string()); 1650 } else { 1651 c = new NamedCounter(st.as_string(), tag); 1652 } 1653 1654 // atomically add the new counter to the head of the list. We only 1655 // add counters so this is safe. 1656 NamedCounter* head; 1657 do { 1658 c->set_next(NULL); 1659 head = _named_counters; 1660 c->set_next(head); 1661 } while (Atomic::cmpxchg(c, &_named_counters, head) != head); 1662 return c; 1663 } 1664 1665 int trace_exception_counter = 0; 1666 static void trace_exception(outputStream* st, oop exception_oop, address exception_pc, const char* msg) { 1667 trace_exception_counter++; 1668 stringStream tempst; 1669 1670 tempst.print("%d [Exception (%s): ", trace_exception_counter, msg); 1671 exception_oop->print_value_on(&tempst); 1672 tempst.print(" in "); 1673 CodeBlob* blob = CodeCache::find_blob(exception_pc); 1674 if (blob->is_compiled()) { 1675 CompiledMethod* cm = blob->as_compiled_method_or_null(); 1676 cm->method()->print_value_on(&tempst); 1677 } else if (blob->is_runtime_stub()) { 1678 tempst.print("<runtime-stub>"); 1679 } else { 1680 tempst.print("<unknown>"); 1681 } 1682 tempst.print(" at " INTPTR_FORMAT, p2i(exception_pc)); 1683 tempst.print("]"); 1684 1685 st->print_raw_cr(tempst.as_string()); 1686 }