rev 9803 : 8146401: Clean up oop.hpp: add inline directives and fix header files
1 /* 2 * Copyright (c) 2012, 2016, 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 #include "precompiled.hpp" 25 #include "asm/codeBuffer.hpp" 26 #include "classfile/javaClasses.inline.hpp" 27 #include "code/codeCache.hpp" 28 #include "compiler/compileBroker.hpp" 29 #include "compiler/disassembler.hpp" 30 #include "jvmci/jvmciRuntime.hpp" 31 #include "jvmci/jvmciCompilerToVM.hpp" 32 #include "jvmci/jvmciCompiler.hpp" 33 #include "jvmci/jvmciJavaClasses.hpp" 34 #include "jvmci/jvmciEnv.hpp" 35 #include "logging/log.hpp" 36 #include "memory/oopFactory.hpp" 37 #include "oops/oop.inline.hpp" 38 #include "oops/objArrayOop.inline.hpp" 39 #include "prims/jvm.h" 40 #include "runtime/biasedLocking.hpp" 41 #include "runtime/interfaceSupport.hpp" 42 #include "runtime/reflection.hpp" 43 #include "runtime/sharedRuntime.hpp" 44 #include "utilities/debug.hpp" 45 #include "utilities/defaultStream.hpp" 46 47 #if defined(_MSC_VER) 48 #define strtoll _strtoi64 49 #endif 50 51 jobject JVMCIRuntime::_HotSpotJVMCIRuntime_instance = NULL; 52 bool JVMCIRuntime::_HotSpotJVMCIRuntime_initialized = false; 53 bool JVMCIRuntime::_well_known_classes_initialized = false; 54 const char* JVMCIRuntime::_compiler = NULL; 55 int JVMCIRuntime::_options_count = 0; 56 SystemProperty** JVMCIRuntime::_options = NULL; 57 int JVMCIRuntime::_trivial_prefixes_count = 0; 58 char** JVMCIRuntime::_trivial_prefixes = NULL; 59 bool JVMCIRuntime::_shutdown_called = false; 60 61 static const char* OPTION_PREFIX = "jvmci.option."; 62 static const size_t OPTION_PREFIX_LEN = strlen(OPTION_PREFIX); 63 64 BasicType JVMCIRuntime::kindToBasicType(Handle kind, TRAPS) { 65 if (kind.is_null()) { 66 THROW_(vmSymbols::java_lang_NullPointerException(), T_ILLEGAL); 67 } 68 jchar ch = JavaKind::typeChar(kind); 69 switch(ch) { 70 case 'z': return T_BOOLEAN; 71 case 'b': return T_BYTE; 72 case 's': return T_SHORT; 73 case 'c': return T_CHAR; 74 case 'i': return T_INT; 75 case 'f': return T_FLOAT; 76 case 'j': return T_LONG; 77 case 'd': return T_DOUBLE; 78 case 'a': return T_OBJECT; 79 case '-': return T_ILLEGAL; 80 default: 81 JVMCI_ERROR_(T_ILLEGAL, "unexpected Kind: %c", ch); 82 } 83 } 84 85 // Simple helper to see if the caller of a runtime stub which 86 // entered the VM has been deoptimized 87 88 static bool caller_is_deopted() { 89 JavaThread* thread = JavaThread::current(); 90 RegisterMap reg_map(thread, false); 91 frame runtime_frame = thread->last_frame(); 92 frame caller_frame = runtime_frame.sender(®_map); 93 assert(caller_frame.is_compiled_frame(), "must be compiled"); 94 return caller_frame.is_deoptimized_frame(); 95 } 96 97 // Stress deoptimization 98 static void deopt_caller() { 99 if ( !caller_is_deopted()) { 100 JavaThread* thread = JavaThread::current(); 101 RegisterMap reg_map(thread, false); 102 frame runtime_frame = thread->last_frame(); 103 frame caller_frame = runtime_frame.sender(®_map); 104 Deoptimization::deoptimize_frame(thread, caller_frame.id(), Deoptimization::Reason_constraint); 105 assert(caller_is_deopted(), "Must be deoptimized"); 106 } 107 } 108 109 JRT_BLOCK_ENTRY(void, JVMCIRuntime::new_instance(JavaThread* thread, Klass* klass)) 110 JRT_BLOCK; 111 assert(klass->is_klass(), "not a class"); 112 instanceKlassHandle h(thread, klass); 113 h->check_valid_for_instantiation(true, CHECK); 114 // make sure klass is initialized 115 h->initialize(CHECK); 116 // allocate instance and return via TLS 117 oop obj = h->allocate_instance(CHECK); 118 thread->set_vm_result(obj); 119 JRT_BLOCK_END; 120 121 if (ReduceInitialCardMarks) { 122 new_store_pre_barrier(thread); 123 } 124 JRT_END 125 126 JRT_BLOCK_ENTRY(void, JVMCIRuntime::new_array(JavaThread* thread, Klass* array_klass, jint length)) 127 JRT_BLOCK; 128 // Note: no handle for klass needed since they are not used 129 // anymore after new_objArray() and no GC can happen before. 130 // (This may have to change if this code changes!) 131 assert(array_klass->is_klass(), "not a class"); 132 oop obj; 133 if (array_klass->is_typeArray_klass()) { 134 BasicType elt_type = TypeArrayKlass::cast(array_klass)->element_type(); 135 obj = oopFactory::new_typeArray(elt_type, length, CHECK); 136 } else { 137 Klass* elem_klass = ObjArrayKlass::cast(array_klass)->element_klass(); 138 obj = oopFactory::new_objArray(elem_klass, length, CHECK); 139 } 140 thread->set_vm_result(obj); 141 // This is pretty rare but this runtime patch is stressful to deoptimization 142 // if we deoptimize here so force a deopt to stress the path. 143 if (DeoptimizeALot) { 144 static int deopts = 0; 145 // Alternate between deoptimizing and raising an error (which will also cause a deopt) 146 if (deopts++ % 2 == 0) { 147 ResourceMark rm(THREAD); 148 THROW(vmSymbols::java_lang_OutOfMemoryError()); 149 } else { 150 deopt_caller(); 151 } 152 } 153 JRT_BLOCK_END; 154 155 if (ReduceInitialCardMarks) { 156 new_store_pre_barrier(thread); 157 } 158 JRT_END 159 160 void JVMCIRuntime::new_store_pre_barrier(JavaThread* thread) { 161 // After any safepoint, just before going back to compiled code, 162 // we inform the GC that we will be doing initializing writes to 163 // this object in the future without emitting card-marks, so 164 // GC may take any compensating steps. 165 // NOTE: Keep this code consistent with GraphKit::store_barrier. 166 167 oop new_obj = thread->vm_result(); 168 if (new_obj == NULL) return; 169 170 assert(Universe::heap()->can_elide_tlab_store_barriers(), 171 "compiler must check this first"); 172 // GC may decide to give back a safer copy of new_obj. 173 new_obj = Universe::heap()->new_store_pre_barrier(thread, new_obj); 174 thread->set_vm_result(new_obj); 175 } 176 177 JRT_ENTRY(void, JVMCIRuntime::new_multi_array(JavaThread* thread, Klass* klass, int rank, jint* dims)) 178 assert(klass->is_klass(), "not a class"); 179 assert(rank >= 1, "rank must be nonzero"); 180 oop obj = ArrayKlass::cast(klass)->multi_allocate(rank, dims, CHECK); 181 thread->set_vm_result(obj); 182 JRT_END 183 184 JRT_ENTRY(void, JVMCIRuntime::dynamic_new_array(JavaThread* thread, oopDesc* element_mirror, jint length)) 185 oop obj = Reflection::reflect_new_array(element_mirror, length, CHECK); 186 thread->set_vm_result(obj); 187 JRT_END 188 189 JRT_ENTRY(void, JVMCIRuntime::dynamic_new_instance(JavaThread* thread, oopDesc* type_mirror)) 190 instanceKlassHandle klass(THREAD, java_lang_Class::as_Klass(type_mirror)); 191 192 if (klass == NULL) { 193 ResourceMark rm(THREAD); 194 THROW(vmSymbols::java_lang_InstantiationException()); 195 } 196 197 // Create new instance (the receiver) 198 klass->check_valid_for_instantiation(false, CHECK); 199 200 // Make sure klass gets initialized 201 klass->initialize(CHECK); 202 203 oop obj = klass->allocate_instance(CHECK); 204 thread->set_vm_result(obj); 205 JRT_END 206 207 extern void vm_exit(int code); 208 209 // Enter this method from compiled code handler below. This is where we transition 210 // to VM mode. This is done as a helper routine so that the method called directly 211 // from compiled code does not have to transition to VM. This allows the entry 212 // method to see if the nmethod that we have just looked up a handler for has 213 // been deoptimized while we were in the vm. This simplifies the assembly code 214 // cpu directories. 215 // 216 // We are entering here from exception stub (via the entry method below) 217 // If there is a compiled exception handler in this method, we will continue there; 218 // otherwise we will unwind the stack and continue at the caller of top frame method 219 // Note: we enter in Java using a special JRT wrapper. This wrapper allows us to 220 // control the area where we can allow a safepoint. After we exit the safepoint area we can 221 // check to see if the handler we are going to return is now in a nmethod that has 222 // been deoptimized. If that is the case we return the deopt blob 223 // unpack_with_exception entry instead. This makes life for the exception blob easier 224 // because making that same check and diverting is painful from assembly language. 225 JRT_ENTRY_NO_ASYNC(static address, exception_handler_for_pc_helper(JavaThread* thread, oopDesc* ex, address pc, nmethod*& nm)) 226 // Reset method handle flag. 227 thread->set_is_method_handle_return(false); 228 229 Handle exception(thread, ex); 230 nm = CodeCache::find_nmethod(pc); 231 assert(nm != NULL, "this is not a compiled method"); 232 // Adjust the pc as needed/ 233 if (nm->is_deopt_pc(pc)) { 234 RegisterMap map(thread, false); 235 frame exception_frame = thread->last_frame().sender(&map); 236 // if the frame isn't deopted then pc must not correspond to the caller of last_frame 237 assert(exception_frame.is_deoptimized_frame(), "must be deopted"); 238 pc = exception_frame.pc(); 239 } 240 #ifdef ASSERT 241 assert(exception.not_null(), "NULL exceptions should be handled by throw_exception"); 242 assert(exception->is_oop(), "just checking"); 243 // Check that exception is a subclass of Throwable, otherwise we have a VerifyError 244 if (!(exception->is_a(SystemDictionary::Throwable_klass()))) { 245 if (ExitVMOnVerifyError) vm_exit(-1); 246 ShouldNotReachHere(); 247 } 248 #endif 249 250 // Check the stack guard pages and reenable them if necessary and there is 251 // enough space on the stack to do so. Use fast exceptions only if the guard 252 // pages are enabled. 253 bool guard_pages_enabled = thread->stack_guards_enabled(); 254 if (!guard_pages_enabled) guard_pages_enabled = thread->reguard_stack(); 255 256 if (JvmtiExport::can_post_on_exceptions()) { 257 // To ensure correct notification of exception catches and throws 258 // we have to deoptimize here. If we attempted to notify the 259 // catches and throws during this exception lookup it's possible 260 // we could deoptimize on the way out of the VM and end back in 261 // the interpreter at the throw site. This would result in double 262 // notifications since the interpreter would also notify about 263 // these same catches and throws as it unwound the frame. 264 265 RegisterMap reg_map(thread); 266 frame stub_frame = thread->last_frame(); 267 frame caller_frame = stub_frame.sender(®_map); 268 269 // We don't really want to deoptimize the nmethod itself since we 270 // can actually continue in the exception handler ourselves but I 271 // don't see an easy way to have the desired effect. 272 Deoptimization::deoptimize_frame(thread, caller_frame.id(), Deoptimization::Reason_constraint); 273 assert(caller_is_deopted(), "Must be deoptimized"); 274 275 return SharedRuntime::deopt_blob()->unpack_with_exception_in_tls(); 276 } 277 278 // ExceptionCache is used only for exceptions at call sites and not for implicit exceptions 279 if (guard_pages_enabled) { 280 address fast_continuation = nm->handler_for_exception_and_pc(exception, pc); 281 if (fast_continuation != NULL) { 282 // Set flag if return address is a method handle call site. 283 thread->set_is_method_handle_return(nm->is_method_handle_return(pc)); 284 return fast_continuation; 285 } 286 } 287 288 // If the stack guard pages are enabled, check whether there is a handler in 289 // the current method. Otherwise (guard pages disabled), force an unwind and 290 // skip the exception cache update (i.e., just leave continuation==NULL). 291 address continuation = NULL; 292 if (guard_pages_enabled) { 293 294 // New exception handling mechanism can support inlined methods 295 // with exception handlers since the mappings are from PC to PC 296 297 // debugging support 298 // tracing 299 if (log_is_enabled(Info, exceptions)) { 300 ResourceMark rm; 301 log_info(exceptions)("Exception <%s> (" INTPTR_FORMAT ") thrown in" 302 " compiled method <%s> at PC " INTPTR_FORMAT 303 " for thread " INTPTR_FORMAT, 304 exception->print_value_string(), 305 p2i((address)exception()), 306 nm->method()->print_value_string(), p2i(pc), 307 p2i(thread)); 308 } 309 // for AbortVMOnException flag 310 NOT_PRODUCT(Exceptions::debug_check_abort(exception)); 311 312 // Clear out the exception oop and pc since looking up an 313 // exception handler can cause class loading, which might throw an 314 // exception and those fields are expected to be clear during 315 // normal bytecode execution. 316 thread->clear_exception_oop_and_pc(); 317 318 continuation = SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, false, false); 319 // If an exception was thrown during exception dispatch, the exception oop may have changed 320 thread->set_exception_oop(exception()); 321 thread->set_exception_pc(pc); 322 323 // the exception cache is used only by non-implicit exceptions 324 if (continuation != NULL && !SharedRuntime::deopt_blob()->contains(continuation)) { 325 nm->add_handler_for_exception_and_pc(exception, pc, continuation); 326 } 327 } 328 329 // Set flag if return address is a method handle call site. 330 thread->set_is_method_handle_return(nm->is_method_handle_return(pc)); 331 332 if (log_is_enabled(Info, exceptions)) { 333 ResourceMark rm; 334 log_info(exceptions)("Thread " PTR_FORMAT " continuing at PC " PTR_FORMAT 335 " for exception thrown at PC " PTR_FORMAT, 336 p2i(thread), p2i(continuation), p2i(pc)); 337 } 338 339 return continuation; 340 JRT_END 341 342 // Enter this method from compiled code only if there is a Java exception handler 343 // in the method handling the exception. 344 // We are entering here from exception stub. We don't do a normal VM transition here. 345 // We do it in a helper. This is so we can check to see if the nmethod we have just 346 // searched for an exception handler has been deoptimized in the meantime. 347 address JVMCIRuntime::exception_handler_for_pc(JavaThread* thread) { 348 oop exception = thread->exception_oop(); 349 address pc = thread->exception_pc(); 350 // Still in Java mode 351 DEBUG_ONLY(ResetNoHandleMark rnhm); 352 nmethod* nm = NULL; 353 address continuation = NULL; 354 { 355 // Enter VM mode by calling the helper 356 ResetNoHandleMark rnhm; 357 continuation = exception_handler_for_pc_helper(thread, exception, pc, nm); 358 } 359 // Back in JAVA, use no oops DON'T safepoint 360 361 // Now check to see if the compiled method we were called from is now deoptimized. 362 // If so we must return to the deopt blob and deoptimize the nmethod 363 if (nm != NULL && caller_is_deopted()) { 364 continuation = SharedRuntime::deopt_blob()->unpack_with_exception_in_tls(); 365 } 366 367 assert(continuation != NULL, "no handler found"); 368 return continuation; 369 } 370 371 JRT_ENTRY(void, JVMCIRuntime::create_null_exception(JavaThread* thread)) 372 SharedRuntime::throw_and_post_jvmti_exception(thread, vmSymbols::java_lang_NullPointerException()); 373 thread->set_vm_result(PENDING_EXCEPTION); 374 CLEAR_PENDING_EXCEPTION; 375 JRT_END 376 377 JRT_ENTRY(void, JVMCIRuntime::create_out_of_bounds_exception(JavaThread* thread, jint index)) 378 char message[jintAsStringSize]; 379 sprintf(message, "%d", index); 380 SharedRuntime::throw_and_post_jvmti_exception(thread, vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), message); 381 thread->set_vm_result(PENDING_EXCEPTION); 382 CLEAR_PENDING_EXCEPTION; 383 JRT_END 384 385 JRT_ENTRY_NO_ASYNC(void, JVMCIRuntime::monitorenter(JavaThread* thread, oopDesc* obj, BasicLock* lock)) 386 IF_TRACE_jvmci_3 { 387 char type[O_BUFLEN]; 388 obj->klass()->name()->as_C_string(type, O_BUFLEN); 389 markOop mark = obj->mark(); 390 TRACE_jvmci_3("%s: entered locking slow case with obj=" INTPTR_FORMAT ", type=%s, mark=" INTPTR_FORMAT ", lock=" INTPTR_FORMAT, thread->name(), p2i(obj), type, p2i(mark), p2i(lock)); 391 tty->flush(); 392 } 393 #ifdef ASSERT 394 if (PrintBiasedLockingStatistics) { 395 Atomic::inc(BiasedLocking::slow_path_entry_count_addr()); 396 } 397 #endif 398 Handle h_obj(thread, obj); 399 assert(h_obj()->is_oop(), "must be NULL or an object"); 400 if (UseBiasedLocking) { 401 // Retry fast entry if bias is revoked to avoid unnecessary inflation 402 ObjectSynchronizer::fast_enter(h_obj, lock, true, CHECK); 403 } else { 404 if (JVMCIUseFastLocking) { 405 // When using fast locking, the compiled code has already tried the fast case 406 ObjectSynchronizer::slow_enter(h_obj, lock, THREAD); 407 } else { 408 ObjectSynchronizer::fast_enter(h_obj, lock, false, THREAD); 409 } 410 } 411 TRACE_jvmci_3("%s: exiting locking slow with obj=" INTPTR_FORMAT, thread->name(), p2i(obj)); 412 JRT_END 413 414 JRT_LEAF(void, JVMCIRuntime::monitorexit(JavaThread* thread, oopDesc* obj, BasicLock* lock)) 415 assert(thread == JavaThread::current(), "threads must correspond"); 416 assert(thread->last_Java_sp(), "last_Java_sp must be set"); 417 // monitorexit is non-blocking (leaf routine) => no exceptions can be thrown 418 EXCEPTION_MARK; 419 420 #ifdef DEBUG 421 if (!obj->is_oop()) { 422 ResetNoHandleMark rhm; 423 nmethod* method = thread->last_frame().cb()->as_nmethod_or_null(); 424 if (method != NULL) { 425 tty->print_cr("ERROR in monitorexit in method %s wrong obj " INTPTR_FORMAT, method->name(), p2i(obj)); 426 } 427 thread->print_stack_on(tty); 428 assert(false, "invalid lock object pointer dected"); 429 } 430 #endif 431 432 if (JVMCIUseFastLocking) { 433 // When using fast locking, the compiled code has already tried the fast case 434 ObjectSynchronizer::slow_exit(obj, lock, THREAD); 435 } else { 436 ObjectSynchronizer::fast_exit(obj, lock, THREAD); 437 } 438 IF_TRACE_jvmci_3 { 439 char type[O_BUFLEN]; 440 obj->klass()->name()->as_C_string(type, O_BUFLEN); 441 TRACE_jvmci_3("%s: exited locking slow case with obj=" INTPTR_FORMAT ", type=%s, mark=" INTPTR_FORMAT ", lock=" INTPTR_FORMAT, thread->name(), p2i(obj), type, p2i(obj->mark()), p2i(lock)); 442 tty->flush(); 443 } 444 JRT_END 445 446 JRT_LEAF(void, JVMCIRuntime::log_object(JavaThread* thread, oopDesc* obj, bool as_string, bool newline)) 447 ttyLocker ttyl; 448 449 if (obj == NULL) { 450 tty->print("NULL"); 451 } else if (obj->is_oop_or_null(true) && (!as_string || !java_lang_String::is_instance(obj))) { 452 if (obj->is_oop_or_null(true)) { 453 char buf[O_BUFLEN]; 454 tty->print("%s@" INTPTR_FORMAT, obj->klass()->name()->as_C_string(buf, O_BUFLEN), p2i(obj)); 455 } else { 456 tty->print(INTPTR_FORMAT, p2i(obj)); 457 } 458 } else { 459 ResourceMark rm; 460 assert(obj != NULL && java_lang_String::is_instance(obj), "must be"); 461 char *buf = java_lang_String::as_utf8_string(obj); 462 tty->print_raw(buf); 463 } 464 if (newline) { 465 tty->cr(); 466 } 467 JRT_END 468 469 JRT_LEAF(void, JVMCIRuntime::write_barrier_pre(JavaThread* thread, oopDesc* obj)) 470 thread->satb_mark_queue().enqueue(obj); 471 JRT_END 472 473 JRT_LEAF(void, JVMCIRuntime::write_barrier_post(JavaThread* thread, void* card_addr)) 474 thread->dirty_card_queue().enqueue(card_addr); 475 JRT_END 476 477 JRT_LEAF(jboolean, JVMCIRuntime::validate_object(JavaThread* thread, oopDesc* parent, oopDesc* child)) 478 bool ret = true; 479 if(!Universe::heap()->is_in_closed_subset(parent)) { 480 tty->print_cr("Parent Object " INTPTR_FORMAT " not in heap", p2i(parent)); 481 parent->print(); 482 ret=false; 483 } 484 if(!Universe::heap()->is_in_closed_subset(child)) { 485 tty->print_cr("Child Object " INTPTR_FORMAT " not in heap", p2i(child)); 486 child->print(); 487 ret=false; 488 } 489 return (jint)ret; 490 JRT_END 491 492 JRT_ENTRY(void, JVMCIRuntime::vm_error(JavaThread* thread, jlong where, jlong format, jlong value)) 493 ResourceMark rm; 494 const char *error_msg = where == 0L ? "<internal JVMCI error>" : (char*) (address) where; 495 char *detail_msg = NULL; 496 if (format != 0L) { 497 const char* buf = (char*) (address) format; 498 size_t detail_msg_length = strlen(buf) * 2; 499 detail_msg = (char *) NEW_RESOURCE_ARRAY(u_char, detail_msg_length); 500 jio_snprintf(detail_msg, detail_msg_length, buf, value); 501 report_vm_error(__FILE__, __LINE__, error_msg, "%s", detail_msg); 502 } else { 503 report_vm_error(__FILE__, __LINE__, error_msg); 504 } 505 JRT_END 506 507 JRT_LEAF(oopDesc*, JVMCIRuntime::load_and_clear_exception(JavaThread* thread)) 508 oop exception = thread->exception_oop(); 509 assert(exception != NULL, "npe"); 510 thread->set_exception_oop(NULL); 511 thread->set_exception_pc(0); 512 return exception; 513 JRT_END 514 515 PRAGMA_DIAG_PUSH 516 PRAGMA_FORMAT_NONLITERAL_IGNORED 517 JRT_LEAF(void, JVMCIRuntime::log_printf(JavaThread* thread, oopDesc* format, jlong v1, jlong v2, jlong v3)) 518 ResourceMark rm; 519 assert(format != NULL && java_lang_String::is_instance(format), "must be"); 520 char *buf = java_lang_String::as_utf8_string(format); 521 tty->print((const char*)buf, v1, v2, v3); 522 JRT_END 523 PRAGMA_DIAG_POP 524 525 static void decipher(jlong v, bool ignoreZero) { 526 if (v != 0 || !ignoreZero) { 527 void* p = (void *)(address) v; 528 CodeBlob* cb = CodeCache::find_blob(p); 529 if (cb) { 530 if (cb->is_nmethod()) { 531 char buf[O_BUFLEN]; 532 tty->print("%s [" INTPTR_FORMAT "+" JLONG_FORMAT "]", cb->as_nmethod_or_null()->method()->name_and_sig_as_C_string(buf, O_BUFLEN), p2i(cb->code_begin()), (jlong)((address)v - cb->code_begin())); 533 return; 534 } 535 cb->print_value_on(tty); 536 return; 537 } 538 if (Universe::heap()->is_in(p)) { 539 oop obj = oop(p); 540 obj->print_value_on(tty); 541 return; 542 } 543 tty->print(INTPTR_FORMAT " [long: " JLONG_FORMAT ", double %lf, char %c]",p2i((void *)v), (jlong)v, (jdouble)v, (char)v); 544 } 545 } 546 547 PRAGMA_DIAG_PUSH 548 PRAGMA_FORMAT_NONLITERAL_IGNORED 549 JRT_LEAF(void, JVMCIRuntime::vm_message(jboolean vmError, jlong format, jlong v1, jlong v2, jlong v3)) 550 ResourceMark rm; 551 const char *buf = (const char*) (address) format; 552 if (vmError) { 553 if (buf != NULL) { 554 fatal(buf, v1, v2, v3); 555 } else { 556 fatal("<anonymous error>"); 557 } 558 } else if (buf != NULL) { 559 tty->print(buf, v1, v2, v3); 560 } else { 561 assert(v2 == 0, "v2 != 0"); 562 assert(v3 == 0, "v3 != 0"); 563 decipher(v1, false); 564 } 565 JRT_END 566 PRAGMA_DIAG_POP 567 568 JRT_LEAF(void, JVMCIRuntime::log_primitive(JavaThread* thread, jchar typeChar, jlong value, jboolean newline)) 569 union { 570 jlong l; 571 jdouble d; 572 jfloat f; 573 } uu; 574 uu.l = value; 575 switch (typeChar) { 576 case 'z': tty->print(value == 0 ? "false" : "true"); break; 577 case 'b': tty->print("%d", (jbyte) value); break; 578 case 'c': tty->print("%c", (jchar) value); break; 579 case 's': tty->print("%d", (jshort) value); break; 580 case 'i': tty->print("%d", (jint) value); break; 581 case 'f': tty->print("%f", uu.f); break; 582 case 'j': tty->print(JLONG_FORMAT, value); break; 583 case 'd': tty->print("%lf", uu.d); break; 584 default: assert(false, "unknown typeChar"); break; 585 } 586 if (newline) { 587 tty->cr(); 588 } 589 JRT_END 590 591 JRT_ENTRY(jint, JVMCIRuntime::identity_hash_code(JavaThread* thread, oopDesc* obj)) 592 return (jint) obj->identity_hash(); 593 JRT_END 594 595 JRT_ENTRY(jboolean, JVMCIRuntime::thread_is_interrupted(JavaThread* thread, oopDesc* receiver, jboolean clear_interrupted)) 596 // Ensure that the C++ Thread and OSThread structures aren't freed before we operate. 597 // This locking requires thread_in_vm which is why this method cannot be JRT_LEAF. 598 Handle receiverHandle(thread, receiver); 599 MutexLockerEx ml(thread->threadObj() == (void*)receiver ? NULL : Threads_lock); 600 JavaThread* receiverThread = java_lang_Thread::thread(receiverHandle()); 601 if (receiverThread == NULL) { 602 // The other thread may exit during this process, which is ok so return false. 603 return JNI_FALSE; 604 } else { 605 return (jint) Thread::is_interrupted(receiverThread, clear_interrupted != 0); 606 } 607 JRT_END 608 609 JRT_ENTRY(jint, JVMCIRuntime::test_deoptimize_call_int(JavaThread* thread, int value)) 610 deopt_caller(); 611 return value; 612 JRT_END 613 614 // private static JVMCIRuntime JVMCI.initializeRuntime() 615 JVM_ENTRY(jobject, JVM_GetJVMCIRuntime(JNIEnv *env, jclass c)) 616 if (!EnableJVMCI) { 617 THROW_MSG_NULL(vmSymbols::java_lang_InternalError(), "JVMCI is not enabled") 618 } 619 JVMCIRuntime::initialize_HotSpotJVMCIRuntime(CHECK_NULL); 620 jobject ret = JVMCIRuntime::get_HotSpotJVMCIRuntime_jobject(CHECK_NULL); 621 return ret; 622 JVM_END 623 624 Handle JVMCIRuntime::callStatic(const char* className, const char* methodName, const char* signature, JavaCallArguments* args, TRAPS) { 625 guarantee(!_HotSpotJVMCIRuntime_initialized, "cannot reinitialize HotSpotJVMCIRuntime"); 626 627 TempNewSymbol name = SymbolTable::new_symbol(className, CHECK_(Handle())); 628 KlassHandle klass = SystemDictionary::resolve_or_fail(name, true, CHECK_(Handle())); 629 TempNewSymbol runtime = SymbolTable::new_symbol(methodName, CHECK_(Handle())); 630 TempNewSymbol sig = SymbolTable::new_symbol(signature, CHECK_(Handle())); 631 JavaValue result(T_OBJECT); 632 if (args == NULL) { 633 JavaCalls::call_static(&result, klass, runtime, sig, CHECK_(Handle())); 634 } else { 635 JavaCalls::call_static(&result, klass, runtime, sig, args, CHECK_(Handle())); 636 } 637 return Handle((oop)result.get_jobject()); 638 } 639 640 static bool jvmci_options_file_exists() { 641 const char* home = Arguments::get_java_home(); 642 size_t path_len = strlen(home) + strlen("/lib/jvmci.options") + 1; 643 char path[JVM_MAXPATHLEN]; 644 char sep = os::file_separator()[0]; 645 jio_snprintf(path, JVM_MAXPATHLEN, "%s%clib%cjvmci.options", home, sep, sep); 646 struct stat st; 647 return os::stat(path, &st) == 0; 648 } 649 650 void JVMCIRuntime::initialize_HotSpotJVMCIRuntime(TRAPS) { 651 if (JNIHandles::resolve(_HotSpotJVMCIRuntime_instance) == NULL) { 652 #ifdef ASSERT 653 // This should only be called in the context of the JVMCI class being initialized 654 TempNewSymbol name = SymbolTable::new_symbol("jdk/vm/ci/runtime/JVMCI", CHECK); 655 Klass* k = SystemDictionary::resolve_or_null(name, CHECK); 656 instanceKlassHandle klass = InstanceKlass::cast(k); 657 assert(klass->is_being_initialized() && klass->is_reentrant_initialization(THREAD), 658 "HotSpotJVMCIRuntime initialization should only be triggered through JVMCI initialization"); 659 #endif 660 661 bool parseOptionsFile = jvmci_options_file_exists(); 662 if (_options != NULL || parseOptionsFile) { 663 JavaCallArguments args; 664 objArrayOop options; 665 if (_options != NULL) { 666 options = oopFactory::new_objArray(SystemDictionary::String_klass(), _options_count * 2, CHECK); 667 for (int i = 0; i < _options_count; i++) { 668 SystemProperty* prop = _options[i]; 669 oop name = java_lang_String::create_oop_from_str(prop->key() + OPTION_PREFIX_LEN, CHECK); 670 const char* prop_value = prop->value() != NULL ? prop->value() : ""; 671 oop value = java_lang_String::create_oop_from_str(prop_value, CHECK); 672 options->obj_at_put(i * 2, name); 673 options->obj_at_put((i * 2) + 1, value); 674 } 675 } else { 676 options = NULL; 677 } 678 args.push_oop(options); 679 args.push_int(parseOptionsFile); 680 callStatic("jdk/vm/ci/options/OptionsParser", 681 "parseOptionsFromVM", 682 "([Ljava/lang/String;Z)Ljava/lang/Boolean;", &args, CHECK); 683 } 684 685 if (_compiler != NULL) { 686 JavaCallArguments args; 687 oop compiler = java_lang_String::create_oop_from_str(_compiler, CHECK); 688 args.push_oop(compiler); 689 callStatic("jdk/vm/ci/hotspot/HotSpotJVMCICompilerConfig", 690 "selectCompiler", 691 "(Ljava/lang/String;)Ljava/lang/Boolean;", &args, CHECK); 692 } 693 694 Handle result = callStatic("jdk/vm/ci/hotspot/HotSpotJVMCIRuntime", 695 "runtime", 696 "()Ljdk/vm/ci/hotspot/HotSpotJVMCIRuntime;", NULL, CHECK); 697 objArrayOop trivial_prefixes = HotSpotJVMCIRuntime::trivialPrefixes(result); 698 if (trivial_prefixes != NULL) { 699 char** prefixes = NEW_C_HEAP_ARRAY(char*, trivial_prefixes->length(), mtCompiler); 700 for (int i = 0; i < trivial_prefixes->length(); i++) { 701 oop str = trivial_prefixes->obj_at(i); 702 if (str == NULL) { 703 THROW(vmSymbols::java_lang_NullPointerException()); 704 } else { 705 prefixes[i] = strdup(java_lang_String::as_utf8_string(str)); 706 } 707 } 708 _trivial_prefixes = prefixes; 709 _trivial_prefixes_count = trivial_prefixes->length(); 710 } 711 _HotSpotJVMCIRuntime_initialized = true; 712 _HotSpotJVMCIRuntime_instance = JNIHandles::make_global(result()); 713 } 714 } 715 716 void JVMCIRuntime::initialize_JVMCI(TRAPS) { 717 if (JNIHandles::resolve(_HotSpotJVMCIRuntime_instance) == NULL) { 718 callStatic("jdk/vm/ci/runtime/JVMCI", 719 "getRuntime", 720 "()Ljdk/vm/ci/runtime/JVMCIRuntime;", NULL, CHECK); 721 } 722 assert(_HotSpotJVMCIRuntime_initialized == true, "what?"); 723 } 724 725 void JVMCIRuntime::initialize_well_known_classes(TRAPS) { 726 if (JVMCIRuntime::_well_known_classes_initialized == false) { 727 SystemDictionary::WKID scan = SystemDictionary::FIRST_JVMCI_WKID; 728 SystemDictionary::initialize_wk_klasses_through(SystemDictionary::LAST_JVMCI_WKID, scan, CHECK); 729 JVMCIJavaClasses::compute_offsets(CHECK); 730 JVMCIRuntime::_well_known_classes_initialized = true; 731 } 732 } 733 734 void JVMCIRuntime::metadata_do(void f(Metadata*)) { 735 // For simplicity, the existence of HotSpotJVMCIMetaAccessContext in 736 // the SystemDictionary well known classes should ensure the other 737 // classes have already been loaded, so make sure their order in the 738 // table enforces that. 739 assert(SystemDictionary::WK_KLASS_ENUM_NAME(jdk_vm_ci_hotspot_HotSpotResolvedJavaMethodImpl) < 740 SystemDictionary::WK_KLASS_ENUM_NAME(jdk_vm_ci_hotspot_HotSpotJVMCIMetaAccessContext), "must be loaded earlier"); 741 assert(SystemDictionary::WK_KLASS_ENUM_NAME(jdk_vm_ci_hotspot_HotSpotConstantPool) < 742 SystemDictionary::WK_KLASS_ENUM_NAME(jdk_vm_ci_hotspot_HotSpotJVMCIMetaAccessContext), "must be loaded earlier"); 743 assert(SystemDictionary::WK_KLASS_ENUM_NAME(jdk_vm_ci_hotspot_HotSpotResolvedObjectTypeImpl) < 744 SystemDictionary::WK_KLASS_ENUM_NAME(jdk_vm_ci_hotspot_HotSpotJVMCIMetaAccessContext), "must be loaded earlier"); 745 746 if (HotSpotJVMCIMetaAccessContext::klass() == NULL || 747 !HotSpotJVMCIMetaAccessContext::klass()->is_linked()) { 748 // Nothing could be registered yet 749 return; 750 } 751 752 // WeakReference<HotSpotJVMCIMetaAccessContext>[] 753 objArrayOop allContexts = HotSpotJVMCIMetaAccessContext::allContexts(); 754 if (allContexts == NULL) { 755 return; 756 } 757 758 // These must be loaded at this point but the linking state doesn't matter. 759 assert(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass() != NULL, "must be loaded"); 760 assert(SystemDictionary::HotSpotConstantPool_klass() != NULL, "must be loaded"); 761 assert(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass() != NULL, "must be loaded"); 762 763 for (int i = 0; i < allContexts->length(); i++) { 764 oop ref = allContexts->obj_at(i); 765 if (ref != NULL) { 766 oop referent = java_lang_ref_Reference::referent(ref); 767 if (referent != NULL) { 768 // Chunked Object[] with last element pointing to next chunk 769 objArrayOop metadataRoots = HotSpotJVMCIMetaAccessContext::metadataRoots(referent); 770 while (metadataRoots != NULL) { 771 for (int typeIndex = 0; typeIndex < metadataRoots->length() - 1; typeIndex++) { 772 oop reference = metadataRoots->obj_at(typeIndex); 773 if (reference == NULL) { 774 continue; 775 } 776 oop metadataRoot = java_lang_ref_Reference::referent(reference); 777 if (metadataRoot == NULL) { 778 continue; 779 } 780 if (metadataRoot->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) { 781 Method* method = CompilerToVM::asMethod(metadataRoot); 782 f(method); 783 } else if (metadataRoot->is_a(SystemDictionary::HotSpotConstantPool_klass())) { 784 ConstantPool* constantPool = CompilerToVM::asConstantPool(metadataRoot); 785 f(constantPool); 786 } else if (metadataRoot->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) { 787 Klass* klass = CompilerToVM::asKlass(metadataRoot); 788 f(klass); 789 } else { 790 metadataRoot->print(); 791 ShouldNotReachHere(); 792 } 793 } 794 metadataRoots = (objArrayOop)metadataRoots->obj_at(metadataRoots->length() - 1); 795 assert(metadataRoots == NULL || metadataRoots->is_objArray(), "wrong type"); 796 } 797 } 798 } 799 } 800 } 801 802 // private static void CompilerToVM.registerNatives() 803 JVM_ENTRY(void, JVM_RegisterJVMCINatives(JNIEnv *env, jclass c2vmClass)) 804 if (!EnableJVMCI) { 805 THROW_MSG(vmSymbols::java_lang_InternalError(), "JVMCI is not enabled"); 806 } 807 808 #ifdef _LP64 809 #ifndef TARGET_ARCH_sparc 810 uintptr_t heap_end = (uintptr_t) Universe::heap()->reserved_region().end(); 811 uintptr_t allocation_end = heap_end + ((uintptr_t)16) * 1024 * 1024 * 1024; 812 guarantee(heap_end < allocation_end, "heap end too close to end of address space (might lead to erroneous TLAB allocations)"); 813 #endif // TARGET_ARCH_sparc 814 #else 815 fatal("check TLAB allocation code for address space conflicts"); 816 #endif 817 818 JVMCIRuntime::initialize_well_known_classes(CHECK); 819 820 { 821 ThreadToNativeFromVM trans(thread); 822 823 // Ensure _non_oop_bits is initialized 824 Universe::non_oop_word(); 825 826 env->RegisterNatives(c2vmClass, CompilerToVM::methods, CompilerToVM::methods_count()); 827 } 828 JVM_END 829 830 /** 831 * Closure for parsing a line from a *.properties file in jre/lib/jvmci/properties. 832 * The line must match the regular expression "[^=]+=.*". That is one or more 833 * characters other than '=' followed by '=' followed by zero or more characters. 834 * Everything before the '=' is the property name and everything after '=' is the value. 835 * Lines that start with '#' are treated as comments and ignored. 836 * No special processing of whitespace or any escape characters is performed. 837 * The last definition of a property "wins" (i.e., it overrides all earlier 838 * definitions of the property). 839 */ 840 class JVMCIPropertiesFileClosure : public ParseClosure { 841 SystemProperty** _plist; 842 public: 843 JVMCIPropertiesFileClosure(SystemProperty** plist) : _plist(plist) {} 844 void do_line(char* line) { 845 if (line[0] == '#') { 846 // skip comment 847 return; 848 } 849 size_t len = strlen(line); 850 char* sep = strchr(line, '='); 851 if (sep == NULL) { 852 warn_and_abort("invalid format: could not find '=' character"); 853 return; 854 } 855 if (sep == line) { 856 warn_and_abort("invalid format: name cannot be empty"); 857 return; 858 } 859 *sep = '\0'; 860 const char* name = line; 861 char* value = sep + 1; 862 Arguments::PropertyList_unique_add(_plist, name, value); 863 } 864 }; 865 866 void JVMCIRuntime::init_system_properties(SystemProperty** plist) { 867 char jvmciDir[JVM_MAXPATHLEN]; 868 const char* fileSep = os::file_separator(); 869 jio_snprintf(jvmciDir, sizeof(jvmciDir), "%s%slib%sjvmci", 870 Arguments::get_java_home(), fileSep, fileSep, fileSep); 871 DIR* dir = os::opendir(jvmciDir); 872 if (dir != NULL) { 873 struct dirent *entry; 874 char *dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(jvmciDir), mtInternal); 875 JVMCIPropertiesFileClosure closure(plist); 876 const unsigned suffix_len = (unsigned)strlen(".properties"); 877 while ((entry = os::readdir(dir, (dirent *) dbuf)) != NULL && !closure.is_aborted()) { 878 const char* name = entry->d_name; 879 if (strlen(name) > suffix_len && strcmp(name + strlen(name) - suffix_len, ".properties") == 0) { 880 char propertiesFilePath[JVM_MAXPATHLEN]; 881 jio_snprintf(propertiesFilePath, sizeof(propertiesFilePath), "%s%s%s",jvmciDir, fileSep, name); 882 JVMCIRuntime::parse_lines(propertiesFilePath, &closure, false); 883 } 884 } 885 FREE_C_HEAP_ARRAY(char, dbuf); 886 os::closedir(dir); 887 } 888 } 889 890 #define CHECK_WARN_ABORT_(message) THREAD); \ 891 if (HAS_PENDING_EXCEPTION) { \ 892 warning(message); \ 893 char buf[512]; \ 894 jio_snprintf(buf, 512, "Uncaught exception at %s:%d", __FILE__, __LINE__); \ 895 JVMCIRuntime::abort_on_pending_exception(PENDING_EXCEPTION, buf); \ 896 return; \ 897 } \ 898 (void)(0 899 900 void JVMCIRuntime::save_compiler(const char* compiler) { 901 assert(compiler != NULL, "npe"); 902 assert(_compiler == NULL, "cannot reassign JVMCI compiler"); 903 _compiler = compiler; 904 } 905 906 void JVMCIRuntime::maybe_print_flags(TRAPS) { 907 if (_options != NULL) { 908 for (int i = 0; i < _options_count; i++) { 909 SystemProperty* p = _options[i]; 910 const char* name = p->key() + OPTION_PREFIX_LEN; 911 if (strcmp(name, "PrintFlags") == 0 || strcmp(name, "ShowFlags") == 0) { 912 JVMCIRuntime::initialize_well_known_classes(CHECK); 913 HandleMark hm; 914 ResourceMark rm; 915 JVMCIRuntime::get_HotSpotJVMCIRuntime(CHECK); 916 return; 917 } 918 } 919 } 920 } 921 922 void JVMCIRuntime::save_options(SystemProperty* props) { 923 int count = 0; 924 SystemProperty* first = NULL; 925 for (SystemProperty* p = props; p != NULL; p = p->next()) { 926 if (strncmp(p->key(), OPTION_PREFIX, OPTION_PREFIX_LEN) == 0) { 927 if (first == NULL) { 928 first = p; 929 } 930 count++; 931 } 932 } 933 if (count != 0) { 934 _options_count = count; 935 _options = NEW_C_HEAP_ARRAY(SystemProperty*, count, mtCompiler); 936 _options[0] = first; 937 SystemProperty** insert_pos = _options + 1; 938 for (SystemProperty* p = first->next(); p != NULL; p = p->next()) { 939 if (strncmp(p->key(), OPTION_PREFIX, OPTION_PREFIX_LEN) == 0) { 940 *insert_pos = p; 941 insert_pos++; 942 } 943 } 944 assert (insert_pos - _options == count, "must be"); 945 } 946 } 947 948 void JVMCIRuntime::shutdown() { 949 if (_HotSpotJVMCIRuntime_instance != NULL) { 950 _shutdown_called = true; 951 JavaThread* THREAD = JavaThread::current(); 952 HandleMark hm(THREAD); 953 Handle receiver = get_HotSpotJVMCIRuntime(CHECK_ABORT); 954 JavaValue result(T_VOID); 955 JavaCallArguments args; 956 args.push_oop(receiver); 957 JavaCalls::call_special(&result, receiver->klass(), vmSymbols::shutdown_method_name(), vmSymbols::void_method_signature(), &args, CHECK_ABORT); 958 } 959 } 960 961 bool JVMCIRuntime::treat_as_trivial(Method* method) { 962 if (_HotSpotJVMCIRuntime_initialized) { 963 oop loader = method->method_holder()->class_loader(); 964 if (loader == NULL) { 965 for (int i = 0; i < _trivial_prefixes_count; i++) { 966 if (method->method_holder()->name()->starts_with(_trivial_prefixes[i])) { 967 return true; 968 } 969 } 970 } 971 } 972 return false; 973 } 974 975 void JVMCIRuntime::call_printStackTrace(Handle exception, Thread* thread) { 976 assert(exception->is_a(SystemDictionary::Throwable_klass()), "Throwable instance expected"); 977 JavaValue result(T_VOID); 978 JavaCalls::call_virtual(&result, 979 exception, 980 KlassHandle(thread, 981 SystemDictionary::Throwable_klass()), 982 vmSymbols::printStackTrace_name(), 983 vmSymbols::void_method_signature(), 984 thread); 985 } 986 987 void JVMCIRuntime::abort_on_pending_exception(Handle exception, const char* message, bool dump_core) { 988 Thread* THREAD = Thread::current(); 989 CLEAR_PENDING_EXCEPTION; 990 tty->print_raw_cr(message); 991 call_printStackTrace(exception, THREAD); 992 993 // Give other aborting threads to also print their stack traces. 994 // This can be very useful when debugging class initialization 995 // failures. 996 os::sleep(THREAD, 200, false); 997 998 vm_abort(dump_core); 999 } 1000 1001 void JVMCIRuntime::parse_lines(char* path, ParseClosure* closure, bool warnStatFailure) { 1002 struct stat st; 1003 if (::stat(path, &st) == 0 && (st.st_mode & S_IFREG) == S_IFREG) { // exists & is regular file 1004 int file_handle = ::open(path, os::default_file_open_flags(), 0); 1005 if (file_handle != -1) { 1006 char* buffer = NEW_C_HEAP_ARRAY(char, st.st_size + 1, mtInternal); 1007 int num_read; 1008 num_read = (int) ::read(file_handle, (char*) buffer, st.st_size); 1009 if (num_read == -1) { 1010 warning("Error reading file %s due to %s", path, strerror(errno)); 1011 } else if (num_read != st.st_size) { 1012 warning("Only read %d of " SIZE_FORMAT " bytes from %s", num_read, (size_t) st.st_size, path); 1013 } 1014 ::close(file_handle); 1015 closure->set_filename(path); 1016 if (num_read == st.st_size) { 1017 buffer[num_read] = '\0'; 1018 1019 char* line = buffer; 1020 while (line - buffer < num_read && !closure->is_aborted()) { 1021 // find line end (\r, \n or \r\n) 1022 char* nextline = NULL; 1023 char* cr = strchr(line, '\r'); 1024 char* lf = strchr(line, '\n'); 1025 if (cr != NULL && lf != NULL) { 1026 char* min = MIN2(cr, lf); 1027 *min = '\0'; 1028 if (lf == cr + 1) { 1029 nextline = lf + 1; 1030 } else { 1031 nextline = min + 1; 1032 } 1033 } else if (cr != NULL) { 1034 *cr = '\0'; 1035 nextline = cr + 1; 1036 } else if (lf != NULL) { 1037 *lf = '\0'; 1038 nextline = lf + 1; 1039 } 1040 // trim left 1041 while (*line == ' ' || *line == '\t') line++; 1042 char* end = line + strlen(line); 1043 // trim right 1044 while (end > line && (*(end -1) == ' ' || *(end -1) == '\t')) end--; 1045 *end = '\0'; 1046 // skip comments and empty lines 1047 if (*line != '#' && strlen(line) > 0) { 1048 closure->parse_line(line); 1049 } 1050 if (nextline != NULL) { 1051 line = nextline; 1052 } else { 1053 // File without newline at the end 1054 break; 1055 } 1056 } 1057 } 1058 FREE_C_HEAP_ARRAY(char, buffer); 1059 } else { 1060 warning("Error opening file %s due to %s", path, strerror(errno)); 1061 } 1062 } else if (warnStatFailure) { 1063 warning("Could not stat file %s due to %s", path, strerror(errno)); 1064 } 1065 } --- EOF ---