1 /* 2 * Copyright (c) 2013, 2019, 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 "jvm.h" 27 #include "ci/ciMethodData.hpp" 28 #include "ci/ciReplay.hpp" 29 #include "ci/ciSymbol.hpp" 30 #include "ci/ciKlass.hpp" 31 #include "ci/ciUtilities.inline.hpp" 32 #include "classfile/symbolTable.hpp" 33 #include "compiler/compileBroker.hpp" 34 #include "memory/allocation.inline.hpp" 35 #include "memory/oopFactory.hpp" 36 #include "memory/resourceArea.hpp" 37 #include "oops/constantPool.hpp" 38 #include "oops/method.inline.hpp" 39 #include "oops/oop.inline.hpp" 40 #include "oops/valueKlass.hpp" 41 #include "runtime/fieldDescriptor.inline.hpp" 42 #include "runtime/handles.inline.hpp" 43 #include "utilities/copy.hpp" 44 #include "utilities/macros.hpp" 45 #include "utilities/utf8.hpp" 46 47 #ifndef PRODUCT 48 49 // ciReplay 50 51 typedef struct _ciMethodDataRecord { 52 const char* _klass_name; 53 const char* _method_name; 54 const char* _signature; 55 56 int _state; 57 int _current_mileage; 58 59 intptr_t* _data; 60 char* _orig_data; 61 Klass** _classes; 62 Method** _methods; 63 int* _classes_offsets; 64 int* _methods_offsets; 65 int _data_length; 66 int _orig_data_length; 67 int _classes_length; 68 int _methods_length; 69 } ciMethodDataRecord; 70 71 typedef struct _ciMethodRecord { 72 const char* _klass_name; 73 const char* _method_name; 74 const char* _signature; 75 76 int _instructions_size; 77 int _interpreter_invocation_count; 78 int _interpreter_throwout_count; 79 int _invocation_counter; 80 int _backedge_counter; 81 } ciMethodRecord; 82 83 typedef struct _ciInlineRecord { 84 const char* _klass_name; 85 const char* _method_name; 86 const char* _signature; 87 88 int _inline_depth; 89 int _inline_bci; 90 } ciInlineRecord; 91 92 class CompileReplay; 93 static CompileReplay* replay_state; 94 95 class CompileReplay : public StackObj { 96 private: 97 FILE* _stream; 98 Thread* _thread; 99 Handle _protection_domain; 100 Handle _loader; 101 102 GrowableArray<ciMethodRecord*> _ci_method_records; 103 GrowableArray<ciMethodDataRecord*> _ci_method_data_records; 104 105 // Use pointer because we may need to return inline records 106 // without destroying them. 107 GrowableArray<ciInlineRecord*>* _ci_inline_records; 108 109 const char* _error_message; 110 111 char* _bufptr; 112 char* _buffer; 113 int _buffer_length; 114 int _buffer_pos; 115 116 // "compile" data 117 ciKlass* _iklass; 118 Method* _imethod; 119 int _entry_bci; 120 int _comp_level; 121 122 public: 123 CompileReplay(const char* filename, TRAPS) { 124 _thread = THREAD; 125 _loader = Handle(_thread, SystemDictionary::java_system_loader()); 126 _protection_domain = Handle(); 127 128 _stream = fopen(filename, "rt"); 129 if (_stream == NULL) { 130 fprintf(stderr, "ERROR: Can't open replay file %s\n", filename); 131 } 132 133 _ci_inline_records = NULL; 134 _error_message = NULL; 135 136 _buffer_length = 32; 137 _buffer = NEW_RESOURCE_ARRAY(char, _buffer_length); 138 _bufptr = _buffer; 139 _buffer_pos = 0; 140 141 _imethod = NULL; 142 _iklass = NULL; 143 _entry_bci = 0; 144 _comp_level = 0; 145 146 test(); 147 } 148 149 ~CompileReplay() { 150 if (_stream != NULL) fclose(_stream); 151 } 152 153 void test() { 154 strcpy(_buffer, "1 2 foo 4 bar 0x9 \"this is it\""); 155 _bufptr = _buffer; 156 assert(parse_int("test") == 1, "what"); 157 assert(parse_int("test") == 2, "what"); 158 assert(strcmp(parse_string(), "foo") == 0, "what"); 159 assert(parse_int("test") == 4, "what"); 160 assert(strcmp(parse_string(), "bar") == 0, "what"); 161 assert(parse_intptr_t("test") == 9, "what"); 162 assert(strcmp(parse_quoted_string(), "this is it") == 0, "what"); 163 } 164 165 bool had_error() { 166 return _error_message != NULL || _thread->has_pending_exception(); 167 } 168 169 bool can_replay() { 170 return !(_stream == NULL || had_error()); 171 } 172 173 void report_error(const char* msg) { 174 _error_message = msg; 175 // Restore the _buffer contents for error reporting 176 for (int i = 0; i < _buffer_pos; i++) { 177 if (_buffer[i] == '\0') _buffer[i] = ' '; 178 } 179 } 180 181 int parse_int(const char* label) { 182 if (had_error()) { 183 return 0; 184 } 185 186 int v = 0; 187 int read; 188 if (sscanf(_bufptr, "%i%n", &v, &read) != 1) { 189 report_error(label); 190 } else { 191 _bufptr += read; 192 } 193 return v; 194 } 195 196 intptr_t parse_intptr_t(const char* label) { 197 if (had_error()) { 198 return 0; 199 } 200 201 intptr_t v = 0; 202 int read; 203 if (sscanf(_bufptr, INTPTR_FORMAT "%n", &v, &read) != 1) { 204 report_error(label); 205 } else { 206 _bufptr += read; 207 } 208 return v; 209 } 210 211 void skip_ws() { 212 // Skip any leading whitespace 213 while (*_bufptr == ' ' || *_bufptr == '\t') { 214 _bufptr++; 215 } 216 } 217 218 219 char* scan_and_terminate(char delim) { 220 char* str = _bufptr; 221 while (*_bufptr != delim && *_bufptr != '\0') { 222 _bufptr++; 223 } 224 if (*_bufptr != '\0') { 225 *_bufptr++ = '\0'; 226 } 227 if (_bufptr == str) { 228 // nothing here 229 return NULL; 230 } 231 return str; 232 } 233 234 char* parse_string() { 235 if (had_error()) return NULL; 236 237 skip_ws(); 238 return scan_and_terminate(' '); 239 } 240 241 char* parse_quoted_string() { 242 if (had_error()) return NULL; 243 244 skip_ws(); 245 246 if (*_bufptr == '"') { 247 _bufptr++; 248 return scan_and_terminate('"'); 249 } else { 250 return scan_and_terminate(' '); 251 } 252 } 253 254 const char* parse_escaped_string() { 255 char* result = parse_quoted_string(); 256 if (result != NULL) { 257 unescape_string(result); 258 } 259 return result; 260 } 261 262 // Look for the tag 'tag' followed by an 263 bool parse_tag_and_count(const char* tag, int& length) { 264 const char* t = parse_string(); 265 if (t == NULL) { 266 return false; 267 } 268 269 if (strcmp(tag, t) != 0) { 270 report_error(tag); 271 return false; 272 } 273 length = parse_int("parse_tag_and_count"); 274 return !had_error(); 275 } 276 277 // Parse a sequence of raw data encoded as bytes and return the 278 // resulting data. 279 char* parse_data(const char* tag, int& length) { 280 int read_size = 0; 281 if (!parse_tag_and_count(tag, read_size)) { 282 return NULL; 283 } 284 285 int actual_size = sizeof(MethodData); 286 char *result = NEW_RESOURCE_ARRAY(char, actual_size); 287 int i = 0; 288 if (read_size != actual_size) { 289 tty->print_cr("Warning: ciMethodData parsing sees MethodData size %i in file, current is %i", read_size, 290 actual_size); 291 // Replay serializes the entire MethodData, but the data is at the end. 292 // If the MethodData instance size has changed, we can pad or truncate in the beginning 293 int padding = actual_size - read_size; 294 if (padding > 0) { 295 // pad missing data with zeros 296 tty->print_cr("- Padding MethodData"); 297 for (; i < padding; i++) { 298 result[i] = 0; 299 } 300 } else if (padding < 0) { 301 // drop some data 302 tty->print_cr("- Truncating MethodData"); 303 for (int j = 0; j < -padding; j++) { 304 int val = parse_int("data"); 305 // discard val 306 } 307 } 308 } 309 310 assert(i < actual_size, "At least some data must remain to be copied"); 311 for (; i < actual_size; i++) { 312 int val = parse_int("data"); 313 result[i] = val; 314 } 315 length = actual_size; 316 return result; 317 } 318 319 // Parse a standard chunk of data emitted as: 320 // 'tag' <length> # # ... 321 // Where each # is an intptr_t item 322 intptr_t* parse_intptr_data(const char* tag, int& length) { 323 if (!parse_tag_and_count(tag, length)) { 324 return NULL; 325 } 326 327 intptr_t* result = NEW_RESOURCE_ARRAY(intptr_t, length); 328 for (int i = 0; i < length; i++) { 329 skip_ws(); 330 intptr_t val = parse_intptr_t("data"); 331 result[i] = val; 332 } 333 return result; 334 } 335 336 // Parse a possibly quoted version of a symbol into a symbolOop 337 Symbol* parse_symbol(TRAPS) { 338 const char* str = parse_escaped_string(); 339 if (str != NULL) { 340 Symbol* sym = SymbolTable::new_symbol(str); 341 return sym; 342 } 343 return NULL; 344 } 345 346 // Parse a valid klass name and look it up 347 Klass* parse_klass(TRAPS) { 348 const char* str = parse_escaped_string(); 349 Symbol* klass_name = SymbolTable::new_symbol(str); 350 if (klass_name != NULL) { 351 Klass* k = NULL; 352 if (_iklass != NULL) { 353 k = (Klass*)_iklass->find_klass(ciSymbol::make(klass_name->as_C_string()))->constant_encoding(); 354 } else { 355 k = SystemDictionary::resolve_or_fail(klass_name, _loader, _protection_domain, true, THREAD); 356 } 357 if (HAS_PENDING_EXCEPTION) { 358 oop throwable = PENDING_EXCEPTION; 359 java_lang_Throwable::print(throwable, tty); 360 tty->cr(); 361 report_error(str); 362 if (ReplayIgnoreInitErrors) { 363 CLEAR_PENDING_EXCEPTION; 364 _error_message = NULL; 365 } 366 return NULL; 367 } 368 return k; 369 } 370 return NULL; 371 } 372 373 // Lookup a klass 374 Klass* resolve_klass(const char* klass, TRAPS) { 375 Symbol* klass_name = SymbolTable::new_symbol(klass); 376 return SystemDictionary::resolve_or_fail(klass_name, _loader, _protection_domain, true, THREAD); 377 } 378 379 // Parse the standard tuple of <klass> <name> <signature> 380 Method* parse_method(TRAPS) { 381 InstanceKlass* k = (InstanceKlass*)parse_klass(CHECK_NULL); 382 if (k == NULL) { 383 report_error("Can't find holder klass"); 384 return NULL; 385 } 386 Symbol* method_name = parse_symbol(CHECK_NULL); 387 Symbol* method_signature = parse_symbol(CHECK_NULL); 388 Method* m = k->find_method(method_name, method_signature); 389 if (m == NULL) { 390 report_error("Can't find method"); 391 } 392 return m; 393 } 394 395 int get_line(int c) { 396 while(c != EOF) { 397 if (_buffer_pos + 1 >= _buffer_length) { 398 int new_length = _buffer_length * 2; 399 // Next call will throw error in case of OOM. 400 _buffer = REALLOC_RESOURCE_ARRAY(char, _buffer, _buffer_length, new_length); 401 _buffer_length = new_length; 402 } 403 if (c == '\n') { 404 c = getc(_stream); // get next char 405 break; 406 } else if (c == '\r') { 407 // skip LF 408 } else { 409 _buffer[_buffer_pos++] = c; 410 } 411 c = getc(_stream); 412 } 413 // null terminate it, reset the pointer 414 _buffer[_buffer_pos] = '\0'; // NL or EOF 415 _buffer_pos = 0; 416 _bufptr = _buffer; 417 return c; 418 } 419 420 // Process each line of the replay file executing each command until 421 // the file ends. 422 void process(TRAPS) { 423 int line_no = 1; 424 int c = getc(_stream); 425 while(c != EOF) { 426 c = get_line(c); 427 process_command(THREAD); 428 if (had_error()) { 429 tty->print_cr("Error while parsing line %d: %s\n", line_no, _error_message); 430 if (ReplayIgnoreInitErrors) { 431 CLEAR_PENDING_EXCEPTION; 432 _error_message = NULL; 433 } else { 434 return; 435 } 436 } 437 line_no++; 438 } 439 } 440 441 void process_command(TRAPS) { 442 char* cmd = parse_string(); 443 if (cmd == NULL) { 444 return; 445 } 446 if (strcmp("#", cmd) == 0) { 447 // ignore 448 } else if (strcmp("compile", cmd) == 0) { 449 process_compile(CHECK); 450 } else if (strcmp("ciMethod", cmd) == 0) { 451 process_ciMethod(CHECK); 452 } else if (strcmp("ciMethodData", cmd) == 0) { 453 process_ciMethodData(CHECK); 454 } else if (strcmp("staticfield", cmd) == 0) { 455 process_staticfield(CHECK); 456 } else if (strcmp("ciInstanceKlass", cmd) == 0) { 457 process_ciInstanceKlass(CHECK); 458 } else if (strcmp("instanceKlass", cmd) == 0) { 459 process_instanceKlass(CHECK); 460 #if INCLUDE_JVMTI 461 } else if (strcmp("JvmtiExport", cmd) == 0) { 462 process_JvmtiExport(CHECK); 463 #endif // INCLUDE_JVMTI 464 } else { 465 report_error("unknown command"); 466 } 467 } 468 469 // validation of comp_level 470 bool is_valid_comp_level(int comp_level) { 471 const int msg_len = 256; 472 char* msg = NULL; 473 if (!is_compile(comp_level)) { 474 msg = NEW_RESOURCE_ARRAY(char, msg_len); 475 jio_snprintf(msg, msg_len, "%d isn't compilation level", comp_level); 476 } else if (!TieredCompilation && (comp_level != CompLevel_highest_tier)) { 477 msg = NEW_RESOURCE_ARRAY(char, msg_len); 478 switch (comp_level) { 479 case CompLevel_simple: 480 jio_snprintf(msg, msg_len, "compilation level %d requires Client VM or TieredCompilation", comp_level); 481 break; 482 case CompLevel_full_optimization: 483 jio_snprintf(msg, msg_len, "compilation level %d requires Server VM", comp_level); 484 break; 485 default: 486 jio_snprintf(msg, msg_len, "compilation level %d requires TieredCompilation", comp_level); 487 } 488 } 489 if (msg != NULL) { 490 report_error(msg); 491 return false; 492 } 493 return true; 494 } 495 496 // compile <klass> <name> <signature> <entry_bci> <comp_level> inline <count> <depth> <bci> <klass> <name> <signature> ... 497 void* process_inline(ciMethod* imethod, Method* m, int entry_bci, int comp_level, TRAPS) { 498 _imethod = m; 499 _iklass = imethod->holder(); 500 _entry_bci = entry_bci; 501 _comp_level = comp_level; 502 int line_no = 1; 503 int c = getc(_stream); 504 while(c != EOF) { 505 c = get_line(c); 506 // Expecting only lines with "compile" command in inline replay file. 507 char* cmd = parse_string(); 508 if (cmd == NULL || strcmp("compile", cmd) != 0) { 509 return NULL; 510 } 511 process_compile(CHECK_NULL); 512 if (had_error()) { 513 tty->print_cr("Error while parsing line %d: %s\n", line_no, _error_message); 514 tty->print_cr("%s", _buffer); 515 return NULL; 516 } 517 if (_ci_inline_records != NULL && _ci_inline_records->length() > 0) { 518 // Found inlining record for the requested method. 519 return _ci_inline_records; 520 } 521 line_no++; 522 } 523 return NULL; 524 } 525 526 // compile <klass> <name> <signature> <entry_bci> <comp_level> inline <count> <depth> <bci> <klass> <name> <signature> ... 527 void process_compile(TRAPS) { 528 Method* method = parse_method(CHECK); 529 if (had_error()) return; 530 int entry_bci = parse_int("entry_bci"); 531 const char* comp_level_label = "comp_level"; 532 int comp_level = parse_int(comp_level_label); 533 // old version w/o comp_level 534 if (had_error() && (error_message() == comp_level_label)) { 535 // use highest available tier 536 if (TieredCompilation) { 537 comp_level = TieredStopAtLevel; 538 } else { 539 comp_level = CompLevel_highest_tier; 540 } 541 } 542 if (!is_valid_comp_level(comp_level)) { 543 return; 544 } 545 if (_imethod != NULL) { 546 // Replay Inlining 547 if (entry_bci != _entry_bci || comp_level != _comp_level) { 548 return; 549 } 550 const char* iklass_name = _imethod->method_holder()->name()->as_utf8(); 551 const char* imethod_name = _imethod->name()->as_utf8(); 552 const char* isignature = _imethod->signature()->as_utf8(); 553 const char* klass_name = method->method_holder()->name()->as_utf8(); 554 const char* method_name = method->name()->as_utf8(); 555 const char* signature = method->signature()->as_utf8(); 556 if (strcmp(iklass_name, klass_name) != 0 || 557 strcmp(imethod_name, method_name) != 0 || 558 strcmp(isignature, signature) != 0) { 559 return; 560 } 561 } 562 int inline_count = 0; 563 if (parse_tag_and_count("inline", inline_count)) { 564 // Record inlining data 565 _ci_inline_records = new GrowableArray<ciInlineRecord*>(); 566 for (int i = 0; i < inline_count; i++) { 567 int depth = parse_int("inline_depth"); 568 int bci = parse_int("inline_bci"); 569 if (had_error()) { 570 break; 571 } 572 Method* inl_method = parse_method(CHECK); 573 if (had_error()) { 574 break; 575 } 576 new_ciInlineRecord(inl_method, bci, depth); 577 } 578 } 579 if (_imethod != NULL) { 580 return; // Replay Inlining 581 } 582 InstanceKlass* ik = method->method_holder(); 583 ik->initialize(THREAD); 584 if (HAS_PENDING_EXCEPTION) { 585 oop throwable = PENDING_EXCEPTION; 586 java_lang_Throwable::print(throwable, tty); 587 tty->cr(); 588 if (ReplayIgnoreInitErrors) { 589 CLEAR_PENDING_EXCEPTION; 590 ik->set_init_state(InstanceKlass::fully_initialized); 591 } else { 592 return; 593 } 594 } 595 // Make sure the existence of a prior compile doesn't stop this one 596 CompiledMethod* nm = (entry_bci != InvocationEntryBci) ? method->lookup_osr_nmethod_for(entry_bci, comp_level, true) : method->code(); 597 if (nm != NULL) { 598 nm->make_not_entrant(); 599 } 600 replay_state = this; 601 CompileBroker::compile_method(method, entry_bci, comp_level, 602 methodHandle(), 0, CompileTask::Reason_Replay, THREAD); 603 replay_state = NULL; 604 reset(); 605 } 606 607 // ciMethod <klass> <name> <signature> <invocation_counter> <backedge_counter> <interpreter_invocation_count> <interpreter_throwout_count> <instructions_size> 608 // 609 // 610 void process_ciMethod(TRAPS) { 611 Method* method = parse_method(CHECK); 612 if (had_error()) return; 613 ciMethodRecord* rec = new_ciMethod(method); 614 rec->_invocation_counter = parse_int("invocation_counter"); 615 rec->_backedge_counter = parse_int("backedge_counter"); 616 rec->_interpreter_invocation_count = parse_int("interpreter_invocation_count"); 617 rec->_interpreter_throwout_count = parse_int("interpreter_throwout_count"); 618 rec->_instructions_size = parse_int("instructions_size"); 619 } 620 621 // ciMethodData <klass> <name> <signature> <state> <current mileage> orig <length> # # ... data <length> # # ... oops <length> # ... methods <length> 622 void process_ciMethodData(TRAPS) { 623 Method* method = parse_method(CHECK); 624 if (had_error()) return; 625 /* just copied from Method, to build interpret data*/ 626 627 // To be properly initialized, some profiling in the MDO needs the 628 // method to be rewritten (number of arguments at a call for 629 // instance) 630 method->method_holder()->link_class(CHECK); 631 // methodOopDesc::build_interpreter_method_data(method, CHECK); 632 { 633 // Grab a lock here to prevent multiple 634 // MethodData*s from being created. 635 MutexLocker ml(MethodData_lock, THREAD); 636 if (method->method_data() == NULL) { 637 ClassLoaderData* loader_data = method->method_holder()->class_loader_data(); 638 MethodData* method_data = MethodData::allocate(loader_data, method, CHECK); 639 method->set_method_data(method_data); 640 } 641 } 642 643 // collect and record all the needed information for later 644 ciMethodDataRecord* rec = new_ciMethodData(method); 645 rec->_state = parse_int("state"); 646 rec->_current_mileage = parse_int("current_mileage"); 647 648 rec->_orig_data = parse_data("orig", rec->_orig_data_length); 649 if (rec->_orig_data == NULL) { 650 return; 651 } 652 rec->_data = parse_intptr_data("data", rec->_data_length); 653 if (rec->_data == NULL) { 654 return; 655 } 656 if (!parse_tag_and_count("oops", rec->_classes_length)) { 657 return; 658 } 659 rec->_classes = NEW_RESOURCE_ARRAY(Klass*, rec->_classes_length); 660 rec->_classes_offsets = NEW_RESOURCE_ARRAY(int, rec->_classes_length); 661 for (int i = 0; i < rec->_classes_length; i++) { 662 int offset = parse_int("offset"); 663 if (had_error()) { 664 return; 665 } 666 Klass* k = parse_klass(CHECK); 667 rec->_classes_offsets[i] = offset; 668 rec->_classes[i] = k; 669 } 670 671 if (!parse_tag_and_count("methods", rec->_methods_length)) { 672 return; 673 } 674 rec->_methods = NEW_RESOURCE_ARRAY(Method*, rec->_methods_length); 675 rec->_methods_offsets = NEW_RESOURCE_ARRAY(int, rec->_methods_length); 676 for (int i = 0; i < rec->_methods_length; i++) { 677 int offset = parse_int("offset"); 678 if (had_error()) { 679 return; 680 } 681 Method* m = parse_method(CHECK); 682 rec->_methods_offsets[i] = offset; 683 rec->_methods[i] = m; 684 } 685 } 686 687 // instanceKlass <name> 688 // 689 // Loads and initializes the klass 'name'. This can be used to 690 // create particular class loading environments 691 void process_instanceKlass(TRAPS) { 692 // just load the referenced class 693 Klass* k = parse_klass(CHECK); 694 } 695 696 // ciInstanceKlass <name> <is_linked> <is_initialized> <length> tag # # # ... 697 // 698 // Load the klass 'name' and link or initialize it. Verify that the 699 // constant pool is the same length as 'length' and make sure the 700 // constant pool tags are in the same state. 701 void process_ciInstanceKlass(TRAPS) { 702 InstanceKlass* k = (InstanceKlass *)parse_klass(CHECK); 703 if (k == NULL) { 704 return; 705 } 706 int is_linked = parse_int("is_linked"); 707 int is_initialized = parse_int("is_initialized"); 708 int length = parse_int("length"); 709 if (is_initialized) { 710 k->initialize(THREAD); 711 if (HAS_PENDING_EXCEPTION) { 712 oop throwable = PENDING_EXCEPTION; 713 java_lang_Throwable::print(throwable, tty); 714 tty->cr(); 715 if (ReplayIgnoreInitErrors) { 716 CLEAR_PENDING_EXCEPTION; 717 k->set_init_state(InstanceKlass::fully_initialized); 718 } else { 719 return; 720 } 721 } 722 } else if (is_linked) { 723 k->link_class(CHECK); 724 } 725 ConstantPool* cp = k->constants(); 726 if (length != cp->length()) { 727 report_error("constant pool length mismatch: wrong class files?"); 728 return; 729 } 730 731 int parsed_two_word = 0; 732 for (int i = 1; i < length; i++) { 733 int tag = parse_int("tag"); 734 if (had_error()) { 735 return; 736 } 737 switch (cp->tag_at(i).value()) { 738 case JVM_CONSTANT_UnresolvedClass: { 739 if (tag == JVM_CONSTANT_Class) { 740 tty->print_cr("Resolving klass %s at %d", cp->klass_name_at(i)->as_utf8(), i); 741 Klass* k = cp->klass_at(i, CHECK); 742 } 743 break; 744 } 745 746 case JVM_CONSTANT_Long: 747 case JVM_CONSTANT_Double: 748 parsed_two_word = i + 1; 749 750 case JVM_CONSTANT_ClassIndex: 751 case JVM_CONSTANT_StringIndex: 752 case JVM_CONSTANT_String: 753 case JVM_CONSTANT_UnresolvedClassInError: 754 case JVM_CONSTANT_Fieldref: 755 case JVM_CONSTANT_Methodref: 756 case JVM_CONSTANT_InterfaceMethodref: 757 case JVM_CONSTANT_NameAndType: 758 case JVM_CONSTANT_Utf8: 759 case JVM_CONSTANT_Integer: 760 case JVM_CONSTANT_Float: 761 case JVM_CONSTANT_MethodHandle: 762 case JVM_CONSTANT_MethodType: 763 case JVM_CONSTANT_Dynamic: 764 case JVM_CONSTANT_InvokeDynamic: 765 if (tag != cp->tag_at(i).value()) { 766 report_error("tag mismatch: wrong class files?"); 767 return; 768 } 769 break; 770 771 case JVM_CONSTANT_Class: 772 if (tag == JVM_CONSTANT_Class) { 773 } else if (tag == JVM_CONSTANT_UnresolvedClass) { 774 tty->print_cr("Warning: entry was unresolved in the replay data"); 775 } else { 776 report_error("Unexpected tag"); 777 return; 778 } 779 break; 780 781 case 0: 782 if (parsed_two_word == i) continue; 783 784 default: 785 fatal("Unexpected tag: %d", cp->tag_at(i).value()); 786 break; 787 } 788 789 } 790 } 791 792 class ValueTypeFieldInitializer : public FieldClosure { 793 oop _vt; 794 CompileReplay* _replay; 795 public: 796 ValueTypeFieldInitializer(oop vt, CompileReplay* replay) 797 : _vt(vt), _replay(replay) {} 798 799 void do_field(fieldDescriptor* fd) { 800 BasicType bt = fd->field_type(); 801 const char* string_value = bt != T_VALUETYPE ? _replay->parse_escaped_string() : NULL; 802 switch (bt) { 803 case T_BYTE: { 804 int value = atoi(string_value); 805 _vt->byte_field_put(fd->offset(), value); 806 break; 807 } 808 case T_BOOLEAN: { 809 int value = atoi(string_value); 810 _vt->bool_field_put(fd->offset(), value); 811 break; 812 } 813 case T_SHORT: { 814 int value = atoi(string_value); 815 _vt->short_field_put(fd->offset(), value); 816 break; 817 } 818 case T_CHAR: { 819 int value = atoi(string_value); 820 _vt->char_field_put(fd->offset(), value); 821 break; 822 } 823 case T_INT: { 824 int value = atoi(string_value); 825 _vt->int_field_put(fd->offset(), value); 826 break; 827 } 828 case T_LONG: { 829 jlong value; 830 if (sscanf(string_value, JLONG_FORMAT, &value) != 1) { 831 fprintf(stderr, "Error parsing long: %s\n", string_value); 832 break; 833 } 834 _vt->long_field_put(fd->offset(), value); 835 break; 836 } 837 case T_FLOAT: { 838 float value = atof(string_value); 839 _vt->float_field_put(fd->offset(), value); 840 break; 841 } 842 case T_DOUBLE: { 843 double value = atof(string_value); 844 _vt->double_field_put(fd->offset(), value); 845 break; 846 } 847 case T_ARRAY: 848 case T_OBJECT: { 849 Thread* THREAD = Thread::current(); 850 bool res = _replay->process_staticfield_reference(string_value, _vt, fd, THREAD); 851 assert(res, "should succeed for arrays & objects"); 852 break; 853 } 854 case T_VALUETYPE: { 855 Thread* THREAD = Thread::current(); 856 SignatureStream ss(fd->signature(), false); 857 InstanceKlass* holder = fd->field_holder(); 858 Klass* k = ss.as_klass(Handle(THREAD, holder->class_loader()), 859 Handle(THREAD, holder->protection_domain()), 860 SignatureStream::ReturnNull, THREAD); 861 assert(k != NULL && !HAS_PENDING_EXCEPTION, "can resolve klass?"); 862 ValueKlass* vk = ValueKlass::cast(k); 863 if (fd->is_flattened()) { 864 int field_offset = fd->offset() - vk->first_field_offset(); 865 oop obj = (oop)((address)_vt + field_offset); 866 ValueTypeFieldInitializer init_fields(obj, _replay); 867 vk->do_nonstatic_fields(&init_fields); 868 } else { 869 oop value = vk->allocate_instance(THREAD); 870 _vt->obj_field_put(fd->offset(), value); 871 } 872 break; 873 } 874 default: { 875 fatal("Unhandled type: %s", type2name(bt)); 876 } 877 } 878 } 879 }; 880 881 bool process_staticfield_reference(const char* field_signature, oop java_mirror, fieldDescriptor* fd, TRAPS) { 882 if (field_signature[0] == '[') { 883 int length = parse_int("array length"); 884 oop value = NULL; 885 886 if (field_signature[1] == '[') { 887 // multi dimensional array 888 Klass* k = resolve_klass(field_signature, CHECK_(true)); 889 ArrayKlass* kelem = (ArrayKlass *)k; 890 int rank = 0; 891 while (field_signature[rank] == '[') { 892 rank++; 893 } 894 jint* dims = NEW_RESOURCE_ARRAY(jint, rank); 895 dims[0] = length; 896 for (int i = 1; i < rank; i++) { 897 dims[i] = 1; // These aren't relevant to the compiler 898 } 899 value = kelem->multi_allocate(rank, dims, CHECK_(true)); 900 } else { 901 if (strcmp(field_signature, "[B") == 0) { 902 value = oopFactory::new_byteArray(length, CHECK_(true)); 903 } else if (strcmp(field_signature, "[Z") == 0) { 904 value = oopFactory::new_boolArray(length, CHECK_(true)); 905 } else if (strcmp(field_signature, "[C") == 0) { 906 value = oopFactory::new_charArray(length, CHECK_(true)); 907 } else if (strcmp(field_signature, "[S") == 0) { 908 value = oopFactory::new_shortArray(length, CHECK_(true)); 909 } else if (strcmp(field_signature, "[F") == 0) { 910 value = oopFactory::new_floatArray(length, CHECK_(true)); 911 } else if (strcmp(field_signature, "[D") == 0) { 912 value = oopFactory::new_doubleArray(length, CHECK_(true)); 913 } else if (strcmp(field_signature, "[I") == 0) { 914 value = oopFactory::new_intArray(length, CHECK_(true)); 915 } else if (strcmp(field_signature, "[J") == 0) { 916 value = oopFactory::new_longArray(length, CHECK_(true)); 917 } else if (field_signature[0] == '[' && field_signature[1] == 'L') { 918 Klass* kelem = resolve_klass(field_signature + 1, CHECK_(true)); 919 value = oopFactory::new_objArray(kelem, length, CHECK_(true)); 920 } else if (field_signature[0] == '[' && field_signature[1] == 'Q') { 921 Klass* kelem = resolve_klass(field_signature + 1, CHECK_(true)); 922 value = oopFactory::new_valueArray(kelem, length, CHECK_(true)); 923 } else { 924 report_error("unhandled array staticfield"); 925 } 926 } 927 java_mirror->obj_field_put(fd->offset(), value); 928 return true; 929 } else if (strcmp(field_signature, "Ljava/lang/String;") == 0) { 930 const char* string_value = parse_escaped_string(); 931 Handle value = java_lang_String::create_from_str(string_value, CHECK_(true)); 932 java_mirror->obj_field_put(fd->offset(), value()); 933 return true; 934 } else if (field_signature[0] == 'L') { 935 const char* instance = parse_escaped_string(); 936 Klass* k = resolve_klass(instance, CHECK_(true)); 937 oop value = InstanceKlass::cast(k)->allocate_instance(CHECK_(true)); 938 java_mirror->obj_field_put(fd->offset(), value); 939 return true; 940 } 941 return false; 942 } 943 944 // Initialize a class and fill in the value for a static field. 945 // This is useful when the compile was dependent on the value of 946 // static fields but it's impossible to properly rerun the static 947 // initializer. 948 void process_staticfield(TRAPS) { 949 InstanceKlass* k = (InstanceKlass *)parse_klass(CHECK); 950 951 if (k == NULL || ReplaySuppressInitializers == 0 || 952 (ReplaySuppressInitializers == 2 && k->class_loader() == NULL)) { 953 return; 954 } 955 956 assert(k->is_initialized(), "must be"); 957 958 const char* field_name = parse_escaped_string(); 959 const char* field_signature = parse_string(); 960 fieldDescriptor fd; 961 Symbol* name = SymbolTable::new_symbol(field_name); 962 Symbol* sig = SymbolTable::new_symbol(field_signature); 963 if (!k->find_local_field(name, sig, &fd) || 964 !fd.is_static() || 965 fd.has_initial_value()) { 966 report_error(field_name); 967 return; 968 } 969 970 oop java_mirror = k->java_mirror(); 971 if (strcmp(field_signature, "I") == 0) { 972 const char* string_value = parse_escaped_string(); 973 int value = atoi(string_value); 974 java_mirror->int_field_put(fd.offset(), value); 975 } else if (strcmp(field_signature, "B") == 0) { 976 const char* string_value = parse_escaped_string(); 977 int value = atoi(string_value); 978 java_mirror->byte_field_put(fd.offset(), value); 979 } else if (strcmp(field_signature, "C") == 0) { 980 const char* string_value = parse_escaped_string(); 981 int value = atoi(string_value); 982 java_mirror->char_field_put(fd.offset(), value); 983 } else if (strcmp(field_signature, "S") == 0) { 984 const char* string_value = parse_escaped_string(); 985 int value = atoi(string_value); 986 java_mirror->short_field_put(fd.offset(), value); 987 } else if (strcmp(field_signature, "Z") == 0) { 988 const char* string_value = parse_escaped_string(); 989 int value = atoi(string_value); 990 java_mirror->bool_field_put(fd.offset(), value); 991 } else if (strcmp(field_signature, "J") == 0) { 992 const char* string_value = parse_escaped_string(); 993 jlong value; 994 if (sscanf(string_value, JLONG_FORMAT, &value) != 1) { 995 fprintf(stderr, "Error parsing long: %s\n", string_value); 996 return; 997 } 998 java_mirror->long_field_put(fd.offset(), value); 999 } else if (strcmp(field_signature, "F") == 0) { 1000 const char* string_value = parse_escaped_string(); 1001 float value = atof(string_value); 1002 java_mirror->float_field_put(fd.offset(), value); 1003 } else if (strcmp(field_signature, "D") == 0) { 1004 const char* string_value = parse_escaped_string(); 1005 double value = atof(string_value); 1006 java_mirror->double_field_put(fd.offset(), value); 1007 } else if (field_signature[0] == 'Q') { 1008 Klass* kelem = resolve_klass(field_signature, CHECK); 1009 ValueKlass* vk = ValueKlass::cast(kelem); 1010 oop value = vk->allocate_instance(CHECK); 1011 ValueTypeFieldInitializer init_fields(value, this); 1012 vk->do_nonstatic_fields(&init_fields); 1013 java_mirror->obj_field_put(fd.offset(), value); 1014 } else { 1015 bool res = process_staticfield_reference(field_signature, java_mirror, &fd, CHECK); 1016 if (!res) { 1017 report_error("unhandled staticfield"); 1018 } 1019 } 1020 } 1021 1022 #if INCLUDE_JVMTI 1023 void process_JvmtiExport(TRAPS) { 1024 const char* field = parse_string(); 1025 bool value = parse_int("JvmtiExport flag") != 0; 1026 if (strcmp(field, "can_access_local_variables") == 0) { 1027 JvmtiExport::set_can_access_local_variables(value); 1028 } else if (strcmp(field, "can_hotswap_or_post_breakpoint") == 0) { 1029 JvmtiExport::set_can_hotswap_or_post_breakpoint(value); 1030 } else if (strcmp(field, "can_post_on_exceptions") == 0) { 1031 JvmtiExport::set_can_post_on_exceptions(value); 1032 } else { 1033 report_error("Unrecognized JvmtiExport directive"); 1034 } 1035 } 1036 #endif // INCLUDE_JVMTI 1037 1038 // Create and initialize a record for a ciMethod 1039 ciMethodRecord* new_ciMethod(Method* method) { 1040 ciMethodRecord* rec = NEW_RESOURCE_OBJ(ciMethodRecord); 1041 rec->_klass_name = method->method_holder()->name()->as_utf8(); 1042 rec->_method_name = method->name()->as_utf8(); 1043 rec->_signature = method->signature()->as_utf8(); 1044 _ci_method_records.append(rec); 1045 return rec; 1046 } 1047 1048 // Lookup data for a ciMethod 1049 ciMethodRecord* find_ciMethodRecord(Method* method) { 1050 const char* klass_name = method->method_holder()->name()->as_utf8(); 1051 const char* method_name = method->name()->as_utf8(); 1052 const char* signature = method->signature()->as_utf8(); 1053 for (int i = 0; i < _ci_method_records.length(); i++) { 1054 ciMethodRecord* rec = _ci_method_records.at(i); 1055 if (strcmp(rec->_klass_name, klass_name) == 0 && 1056 strcmp(rec->_method_name, method_name) == 0 && 1057 strcmp(rec->_signature, signature) == 0) { 1058 return rec; 1059 } 1060 } 1061 return NULL; 1062 } 1063 1064 // Create and initialize a record for a ciMethodData 1065 ciMethodDataRecord* new_ciMethodData(Method* method) { 1066 ciMethodDataRecord* rec = NEW_RESOURCE_OBJ(ciMethodDataRecord); 1067 rec->_klass_name = method->method_holder()->name()->as_utf8(); 1068 rec->_method_name = method->name()->as_utf8(); 1069 rec->_signature = method->signature()->as_utf8(); 1070 _ci_method_data_records.append(rec); 1071 return rec; 1072 } 1073 1074 // Lookup data for a ciMethodData 1075 ciMethodDataRecord* find_ciMethodDataRecord(Method* method) { 1076 const char* klass_name = method->method_holder()->name()->as_utf8(); 1077 const char* method_name = method->name()->as_utf8(); 1078 const char* signature = method->signature()->as_utf8(); 1079 for (int i = 0; i < _ci_method_data_records.length(); i++) { 1080 ciMethodDataRecord* rec = _ci_method_data_records.at(i); 1081 if (strcmp(rec->_klass_name, klass_name) == 0 && 1082 strcmp(rec->_method_name, method_name) == 0 && 1083 strcmp(rec->_signature, signature) == 0) { 1084 return rec; 1085 } 1086 } 1087 return NULL; 1088 } 1089 1090 // Create and initialize a record for a ciInlineRecord 1091 ciInlineRecord* new_ciInlineRecord(Method* method, int bci, int depth) { 1092 ciInlineRecord* rec = NEW_RESOURCE_OBJ(ciInlineRecord); 1093 rec->_klass_name = method->method_holder()->name()->as_utf8(); 1094 rec->_method_name = method->name()->as_utf8(); 1095 rec->_signature = method->signature()->as_utf8(); 1096 rec->_inline_bci = bci; 1097 rec->_inline_depth = depth; 1098 _ci_inline_records->append(rec); 1099 return rec; 1100 } 1101 1102 // Lookup inlining data for a ciMethod 1103 ciInlineRecord* find_ciInlineRecord(Method* method, int bci, int depth) { 1104 if (_ci_inline_records != NULL) { 1105 return find_ciInlineRecord(_ci_inline_records, method, bci, depth); 1106 } 1107 return NULL; 1108 } 1109 1110 static ciInlineRecord* find_ciInlineRecord(GrowableArray<ciInlineRecord*>* records, 1111 Method* method, int bci, int depth) { 1112 if (records != NULL) { 1113 const char* klass_name = method->method_holder()->name()->as_utf8(); 1114 const char* method_name = method->name()->as_utf8(); 1115 const char* signature = method->signature()->as_utf8(); 1116 for (int i = 0; i < records->length(); i++) { 1117 ciInlineRecord* rec = records->at(i); 1118 if ((rec->_inline_bci == bci) && 1119 (rec->_inline_depth == depth) && 1120 (strcmp(rec->_klass_name, klass_name) == 0) && 1121 (strcmp(rec->_method_name, method_name) == 0) && 1122 (strcmp(rec->_signature, signature) == 0)) { 1123 return rec; 1124 } 1125 } 1126 } 1127 return NULL; 1128 } 1129 1130 const char* error_message() { 1131 return _error_message; 1132 } 1133 1134 void reset() { 1135 _error_message = NULL; 1136 _ci_method_records.clear(); 1137 _ci_method_data_records.clear(); 1138 } 1139 1140 // Take an ascii string contain \u#### escapes and convert it to utf8 1141 // in place. 1142 static void unescape_string(char* value) { 1143 char* from = value; 1144 char* to = value; 1145 while (*from != '\0') { 1146 if (*from != '\\') { 1147 *from++ = *to++; 1148 } else { 1149 switch (from[1]) { 1150 case 'u': { 1151 from += 2; 1152 jchar value=0; 1153 for (int i=0; i<4; i++) { 1154 char c = *from++; 1155 switch (c) { 1156 case '0': case '1': case '2': case '3': case '4': 1157 case '5': case '6': case '7': case '8': case '9': 1158 value = (value << 4) + c - '0'; 1159 break; 1160 case 'a': case 'b': case 'c': 1161 case 'd': case 'e': case 'f': 1162 value = (value << 4) + 10 + c - 'a'; 1163 break; 1164 case 'A': case 'B': case 'C': 1165 case 'D': case 'E': case 'F': 1166 value = (value << 4) + 10 + c - 'A'; 1167 break; 1168 default: 1169 ShouldNotReachHere(); 1170 } 1171 } 1172 UNICODE::convert_to_utf8(&value, 1, to); 1173 to++; 1174 break; 1175 } 1176 case 't': *to++ = '\t'; from += 2; break; 1177 case 'n': *to++ = '\n'; from += 2; break; 1178 case 'r': *to++ = '\r'; from += 2; break; 1179 case 'f': *to++ = '\f'; from += 2; break; 1180 default: 1181 ShouldNotReachHere(); 1182 } 1183 } 1184 } 1185 *from = *to; 1186 } 1187 }; 1188 1189 void ciReplay::replay(TRAPS) { 1190 int exit_code = replay_impl(THREAD); 1191 1192 Threads::destroy_vm(); 1193 1194 vm_exit(exit_code); 1195 } 1196 1197 void* ciReplay::load_inline_data(ciMethod* method, int entry_bci, int comp_level) { 1198 if (FLAG_IS_DEFAULT(InlineDataFile)) { 1199 tty->print_cr("ERROR: no inline replay data file specified (use -XX:InlineDataFile=inline_pid12345.txt)."); 1200 return NULL; 1201 } 1202 1203 VM_ENTRY_MARK; 1204 // Load and parse the replay data 1205 CompileReplay rp(InlineDataFile, THREAD); 1206 if (!rp.can_replay()) { 1207 tty->print_cr("ciReplay: !rp.can_replay()"); 1208 return NULL; 1209 } 1210 void* data = rp.process_inline(method, method->get_Method(), entry_bci, comp_level, THREAD); 1211 if (HAS_PENDING_EXCEPTION) { 1212 Handle throwable(THREAD, PENDING_EXCEPTION); 1213 CLEAR_PENDING_EXCEPTION; 1214 java_lang_Throwable::print_stack_trace(throwable, tty); 1215 tty->cr(); 1216 return NULL; 1217 } 1218 1219 if (rp.had_error()) { 1220 tty->print_cr("ciReplay: Failed on %s", rp.error_message()); 1221 return NULL; 1222 } 1223 return data; 1224 } 1225 1226 int ciReplay::replay_impl(TRAPS) { 1227 HandleMark hm; 1228 ResourceMark rm; 1229 1230 if (ReplaySuppressInitializers > 2) { 1231 // ReplaySuppressInitializers > 2 means that we want to allow 1232 // normal VM bootstrap but once we get into the replay itself 1233 // don't allow any intializers to be run. 1234 ReplaySuppressInitializers = 1; 1235 } 1236 1237 if (FLAG_IS_DEFAULT(ReplayDataFile)) { 1238 tty->print_cr("ERROR: no compiler replay data file specified (use -XX:ReplayDataFile=replay_pid12345.txt)."); 1239 return 1; 1240 } 1241 1242 // Load and parse the replay data 1243 CompileReplay rp(ReplayDataFile, THREAD); 1244 int exit_code = 0; 1245 if (rp.can_replay()) { 1246 rp.process(THREAD); 1247 } else { 1248 exit_code = 1; 1249 return exit_code; 1250 } 1251 1252 if (HAS_PENDING_EXCEPTION) { 1253 Handle throwable(THREAD, PENDING_EXCEPTION); 1254 CLEAR_PENDING_EXCEPTION; 1255 java_lang_Throwable::print_stack_trace(throwable, tty); 1256 tty->cr(); 1257 exit_code = 2; 1258 } 1259 1260 if (rp.had_error()) { 1261 tty->print_cr("Failed on %s", rp.error_message()); 1262 exit_code = 1; 1263 } 1264 return exit_code; 1265 } 1266 1267 void ciReplay::initialize(ciMethodData* m) { 1268 if (replay_state == NULL) { 1269 return; 1270 } 1271 1272 ASSERT_IN_VM; 1273 ResourceMark rm; 1274 1275 Method* method = m->get_MethodData()->method(); 1276 ciMethodDataRecord* rec = replay_state->find_ciMethodDataRecord(method); 1277 if (rec == NULL) { 1278 // This indicates some mismatch with the original environment and 1279 // the replay environment though it's not always enough to 1280 // interfere with reproducing a bug 1281 tty->print_cr("Warning: requesting ciMethodData record for method with no data: "); 1282 method->print_name(tty); 1283 tty->cr(); 1284 } else { 1285 m->_state = rec->_state; 1286 m->_current_mileage = rec->_current_mileage; 1287 if (rec->_data_length != 0) { 1288 assert(m->_data_size + m->_extra_data_size == rec->_data_length * (int)sizeof(rec->_data[0]) || 1289 m->_data_size == rec->_data_length * (int)sizeof(rec->_data[0]), "must agree"); 1290 1291 // Write the correct ciObjects back into the profile data 1292 ciEnv* env = ciEnv::current(); 1293 for (int i = 0; i < rec->_classes_length; i++) { 1294 Klass *k = rec->_classes[i]; 1295 // In case this class pointer is is tagged, preserve the tag bits 1296 intptr_t status = 0; 1297 if (k != NULL) { 1298 status = ciTypeEntries::with_status(env->get_metadata(k)->as_klass(), rec->_data[rec->_classes_offsets[i]]); 1299 } 1300 rec->_data[rec->_classes_offsets[i]] = status; 1301 } 1302 for (int i = 0; i < rec->_methods_length; i++) { 1303 Method *m = rec->_methods[i]; 1304 *(ciMetadata**)(rec->_data + rec->_methods_offsets[i]) = 1305 env->get_metadata(m); 1306 } 1307 // Copy the updated profile data into place as intptr_ts 1308 #ifdef _LP64 1309 Copy::conjoint_jlongs_atomic((jlong *)rec->_data, (jlong *)m->_data, rec->_data_length); 1310 #else 1311 Copy::conjoint_jints_atomic((jint *)rec->_data, (jint *)m->_data, rec->_data_length); 1312 #endif 1313 } 1314 1315 // copy in the original header 1316 Copy::conjoint_jbytes(rec->_orig_data, (char*)&m->_orig, rec->_orig_data_length); 1317 } 1318 } 1319 1320 1321 bool ciReplay::should_not_inline(ciMethod* method) { 1322 if (replay_state == NULL) { 1323 return false; 1324 } 1325 VM_ENTRY_MARK; 1326 // ciMethod without a record shouldn't be inlined. 1327 return replay_state->find_ciMethodRecord(method->get_Method()) == NULL; 1328 } 1329 1330 bool ciReplay::should_inline(void* data, ciMethod* method, int bci, int inline_depth) { 1331 if (data != NULL) { 1332 GrowableArray<ciInlineRecord*>* records = (GrowableArray<ciInlineRecord*>*)data; 1333 VM_ENTRY_MARK; 1334 // Inline record are ordered by bci and depth. 1335 return CompileReplay::find_ciInlineRecord(records, method->get_Method(), bci, inline_depth) != NULL; 1336 } else if (replay_state != NULL) { 1337 VM_ENTRY_MARK; 1338 // Inline record are ordered by bci and depth. 1339 return replay_state->find_ciInlineRecord(method->get_Method(), bci, inline_depth) != NULL; 1340 } 1341 return false; 1342 } 1343 1344 bool ciReplay::should_not_inline(void* data, ciMethod* method, int bci, int inline_depth) { 1345 if (data != NULL) { 1346 GrowableArray<ciInlineRecord*>* records = (GrowableArray<ciInlineRecord*>*)data; 1347 VM_ENTRY_MARK; 1348 // Inline record are ordered by bci and depth. 1349 return CompileReplay::find_ciInlineRecord(records, method->get_Method(), bci, inline_depth) == NULL; 1350 } else if (replay_state != NULL) { 1351 VM_ENTRY_MARK; 1352 // Inline record are ordered by bci and depth. 1353 return replay_state->find_ciInlineRecord(method->get_Method(), bci, inline_depth) == NULL; 1354 } 1355 return false; 1356 } 1357 1358 void ciReplay::initialize(ciMethod* m) { 1359 if (replay_state == NULL) { 1360 return; 1361 } 1362 1363 ASSERT_IN_VM; 1364 ResourceMark rm; 1365 1366 Method* method = m->get_Method(); 1367 ciMethodRecord* rec = replay_state->find_ciMethodRecord(method); 1368 if (rec == NULL) { 1369 // This indicates some mismatch with the original environment and 1370 // the replay environment though it's not always enough to 1371 // interfere with reproducing a bug 1372 tty->print_cr("Warning: requesting ciMethod record for method with no data: "); 1373 method->print_name(tty); 1374 tty->cr(); 1375 } else { 1376 EXCEPTION_CONTEXT; 1377 // m->_instructions_size = rec->_instructions_size; 1378 m->_instructions_size = -1; 1379 m->_interpreter_invocation_count = rec->_interpreter_invocation_count; 1380 m->_interpreter_throwout_count = rec->_interpreter_throwout_count; 1381 MethodCounters* mcs = method->get_method_counters(CHECK_AND_CLEAR); 1382 guarantee(mcs != NULL, "method counters allocation failed"); 1383 mcs->invocation_counter()->_counter = rec->_invocation_counter; 1384 mcs->backedge_counter()->_counter = rec->_backedge_counter; 1385 } 1386 } 1387 1388 bool ciReplay::is_loaded(Method* method) { 1389 if (replay_state == NULL) { 1390 return true; 1391 } 1392 1393 ASSERT_IN_VM; 1394 ResourceMark rm; 1395 1396 ciMethodRecord* rec = replay_state->find_ciMethodRecord(method); 1397 return rec != NULL; 1398 } 1399 #endif // PRODUCT