1 /* 2 * Copyright (c) 2001, 2014, 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 "ci/ciMetadata.hpp" 27 #include "ci/ciMethodData.hpp" 28 #include "ci/ciReplay.hpp" 29 #include "ci/ciUtilities.hpp" 30 #include "memory/allocation.inline.hpp" 31 #include "memory/resourceArea.hpp" 32 #include "runtime/deoptimization.hpp" 33 #include "utilities/copy.hpp" 34 35 // ciMethodData 36 37 // ------------------------------------------------------------------ 38 // ciMethodData::ciMethodData 39 // 40 ciMethodData::ciMethodData(MethodData* md) : ciMetadata(md) { 41 assert(md != NULL, "no null method data"); 42 Copy::zero_to_words((HeapWord*) &_orig, sizeof(_orig) / sizeof(HeapWord)); 43 _data = NULL; 44 _data_size = 0; 45 _extra_data_size = 0; 46 _current_mileage = 0; 47 _invocation_counter = 0; 48 _backedge_counter = 0; 49 _state = empty_state; 50 _saw_free_extra_data = false; 51 // Set an initial hint. Don't use set_hint_di() because 52 // first_di() may be out of bounds if data_size is 0. 53 _hint_di = first_di(); 54 // Initialize the escape information (to "don't know."); 55 _eflags = _arg_local = _arg_stack = _arg_returned = 0; 56 _parameters = NULL; 57 } 58 59 // ------------------------------------------------------------------ 60 // ciMethodData::ciMethodData 61 // 62 // No MethodData*. 63 ciMethodData::ciMethodData() : ciMetadata(NULL) { 64 Copy::zero_to_words((HeapWord*) &_orig, sizeof(_orig) / sizeof(HeapWord)); 65 _data = NULL; 66 _data_size = 0; 67 _extra_data_size = 0; 68 _current_mileage = 0; 69 _invocation_counter = 0; 70 _backedge_counter = 0; 71 _state = empty_state; 72 _saw_free_extra_data = false; 73 // Set an initial hint. Don't use set_hint_di() because 74 // first_di() may be out of bounds if data_size is 0. 75 _hint_di = first_di(); 76 // Initialize the escape information (to "don't know."); 77 _eflags = _arg_local = _arg_stack = _arg_returned = 0; 78 _parameters = NULL; 79 } 80 81 void ciMethodData::load_extra_data() { 82 MethodData* mdo = get_MethodData(); 83 84 MutexLocker(mdo->extra_data_lock()); 85 86 // speculative trap entries also hold a pointer to a Method so need to be translated 87 DataLayout* dp_src = mdo->extra_data_base(); 88 DataLayout* end_src = mdo->args_data_limit(); 89 DataLayout* dp_dst = extra_data_base(); 90 for (;; dp_src = MethodData::next_extra(dp_src), dp_dst = MethodData::next_extra(dp_dst)) { 91 assert(dp_src < end_src, "moved past end of extra data"); 92 assert(((intptr_t)dp_dst) - ((intptr_t)extra_data_base()) == ((intptr_t)dp_src) - ((intptr_t)mdo->extra_data_base()), "source and destination don't match"); 93 94 // New traps in the MDO may have been added since we copied the 95 // data (concurrent deoptimizations before we acquired 96 // extra_data_lock above) or can be removed (a safepoint may occur 97 // in the translate_from call below) as we translate the copy: 98 // update the copy as we go. 99 int tag = dp_src->tag(); 100 if (tag != DataLayout::arg_info_data_tag) { 101 memcpy(dp_dst, dp_src, ((intptr_t)MethodData::next_extra(dp_src)) - ((intptr_t)dp_src)); 102 } 103 104 switch(tag) { 105 case DataLayout::speculative_trap_data_tag: { 106 ciSpeculativeTrapData* data_dst = new ciSpeculativeTrapData(dp_dst); 107 SpeculativeTrapData* data_src = new SpeculativeTrapData(dp_src); 108 109 data_dst->translate_from(data_src); 110 111 #ifdef ASSERT 112 SpeculativeTrapData* data_src2 = new SpeculativeTrapData(dp_src); 113 assert(data_src2->method() == data_src->method() && data_src2->bci() == data_src->bci(), "entries changed while translating"); 114 #endif 115 116 break; 117 } 118 case DataLayout::bit_data_tag: 119 break; 120 case DataLayout::no_tag: 121 case DataLayout::arg_info_data_tag: 122 // An empty slot or ArgInfoData entry marks the end of the trap data 123 return; 124 default: 125 fatal(err_msg("bad tag = %d", dp_dst->tag())); 126 } 127 } 128 } 129 130 void ciMethodData::load_data() { 131 MethodData* mdo = get_MethodData(); 132 if (mdo == NULL) { 133 return; 134 } 135 136 // To do: don't copy the data if it is not "ripe" -- require a minimum # 137 // of invocations. 138 139 // Snapshot the data -- actually, take an approximate snapshot of 140 // the data. Any concurrently executing threads may be changing the 141 // data as we copy it. 142 Copy::disjoint_words((HeapWord*) mdo, 143 (HeapWord*) &_orig, 144 sizeof(_orig) / HeapWordSize); 145 Arena* arena = CURRENT_ENV->arena(); 146 _data_size = mdo->data_size(); 147 _extra_data_size = mdo->extra_data_size(); 148 int total_size = _data_size + _extra_data_size; 149 _data = (intptr_t *) arena->Amalloc(total_size); 150 Copy::disjoint_words((HeapWord*) mdo->data_base(), (HeapWord*) _data, total_size / HeapWordSize); 151 152 // Traverse the profile data, translating any oops into their 153 // ci equivalents. 154 ResourceMark rm; 155 ciProfileData* ci_data = first_data(); 156 ProfileData* data = mdo->first_data(); 157 while (is_valid(ci_data)) { 158 ci_data->translate_from(data); 159 ci_data = next_data(ci_data); 160 data = mdo->next_data(data); 161 } 162 if (mdo->parameters_type_data() != NULL) { 163 _parameters = data_layout_at(mdo->parameters_type_data_di()); 164 ciParametersTypeData* parameters = new ciParametersTypeData(_parameters); 165 parameters->translate_from(mdo->parameters_type_data()); 166 } 167 168 load_extra_data(); 169 170 // Note: Extra data are all BitData, and do not need translation. 171 _current_mileage = MethodData::mileage_of(mdo->method()); 172 _invocation_counter = mdo->invocation_count(); 173 _backedge_counter = mdo->backedge_count(); 174 _state = mdo->is_mature()? mature_state: immature_state; 175 176 _eflags = mdo->eflags(); 177 _arg_local = mdo->arg_local(); 178 _arg_stack = mdo->arg_stack(); 179 _arg_returned = mdo->arg_returned(); 180 #ifndef PRODUCT 181 if (ReplayCompiles) { 182 ciReplay::initialize(this); 183 } 184 #endif 185 } 186 187 void ciReceiverTypeData::translate_receiver_data_from(const ProfileData* data) { 188 for (uint row = 0; row < row_limit(); row++) { 189 Klass* k = data->as_ReceiverTypeData()->receiver(row); 190 if (k != NULL) { 191 ciKlass* klass = CURRENT_ENV->get_klass(k); 192 CURRENT_ENV->ensure_metadata_alive(klass); 193 set_receiver(row, klass); 194 } 195 } 196 } 197 198 199 void ciTypeStackSlotEntries::translate_type_data_from(const TypeStackSlotEntries* entries) { 200 for (int i = 0; i < number_of_entries(); i++) { 201 intptr_t k = entries->type(i); 202 TypeStackSlotEntries::set_type(i, translate_klass(k)); 203 } 204 } 205 206 void ciReturnTypeEntry::translate_type_data_from(const ReturnTypeEntry* ret) { 207 intptr_t k = ret->type(); 208 set_type(translate_klass(k)); 209 } 210 211 void ciSpeculativeTrapData::translate_from(const ProfileData* data) { 212 Method* m = data->as_SpeculativeTrapData()->method(); 213 ciMethod* ci_m = CURRENT_ENV->get_method(m); 214 CURRENT_ENV->ensure_metadata_alive(ci_m); 215 set_method(ci_m); 216 } 217 218 // Get the data at an arbitrary (sort of) data index. 219 ciProfileData* ciMethodData::data_at(int data_index) { 220 if (out_of_bounds(data_index)) { 221 return NULL; 222 } 223 DataLayout* data_layout = data_layout_at(data_index); 224 225 switch (data_layout->tag()) { 226 case DataLayout::no_tag: 227 default: 228 ShouldNotReachHere(); 229 return NULL; 230 case DataLayout::bit_data_tag: 231 return new ciBitData(data_layout); 232 case DataLayout::counter_data_tag: 233 return new ciCounterData(data_layout); 234 case DataLayout::jump_data_tag: 235 return new ciJumpData(data_layout); 236 case DataLayout::receiver_type_data_tag: 237 return new ciReceiverTypeData(data_layout); 238 case DataLayout::virtual_call_data_tag: 239 return new ciVirtualCallData(data_layout); 240 case DataLayout::ret_data_tag: 241 return new ciRetData(data_layout); 242 case DataLayout::branch_data_tag: 243 return new ciBranchData(data_layout); 244 case DataLayout::multi_branch_data_tag: 245 return new ciMultiBranchData(data_layout); 246 case DataLayout::arg_info_data_tag: 247 return new ciArgInfoData(data_layout); 248 case DataLayout::call_type_data_tag: 249 return new ciCallTypeData(data_layout); 250 case DataLayout::virtual_call_type_data_tag: 251 return new ciVirtualCallTypeData(data_layout); 252 case DataLayout::parameters_type_data_tag: 253 return new ciParametersTypeData(data_layout); 254 }; 255 } 256 257 // Iteration over data. 258 ciProfileData* ciMethodData::next_data(ciProfileData* current) { 259 int current_index = dp_to_di(current->dp()); 260 int next_index = current_index + current->size_in_bytes(); 261 ciProfileData* next = data_at(next_index); 262 return next; 263 } 264 265 ciProfileData* ciMethodData::bci_to_extra_data(int bci, ciMethod* m, bool& two_free_slots) { 266 DataLayout* dp = extra_data_base(); 267 DataLayout* end = args_data_limit(); 268 two_free_slots = false; 269 for (;dp < end; dp = MethodData::next_extra(dp)) { 270 switch(dp->tag()) { 271 case DataLayout::no_tag: 272 _saw_free_extra_data = true; // observed an empty slot (common case) 273 two_free_slots = (MethodData::next_extra(dp)->tag() == DataLayout::no_tag); 274 return NULL; 275 case DataLayout::arg_info_data_tag: 276 return NULL; // ArgInfoData is at the end of extra data section. 277 case DataLayout::bit_data_tag: 278 if (m == NULL && dp->bci() == bci) { 279 return new ciBitData(dp); 280 } 281 break; 282 case DataLayout::speculative_trap_data_tag: { 283 ciSpeculativeTrapData* data = new ciSpeculativeTrapData(dp); 284 // data->method() might be null if the MDO is snapshotted 285 // concurrently with a trap 286 if (m != NULL && data->method() == m && dp->bci() == bci) { 287 return data; 288 } 289 break; 290 } 291 default: 292 fatal(err_msg("bad tag = %d", dp->tag())); 293 } 294 } 295 return NULL; 296 } 297 298 // Translate a bci to its corresponding data, or NULL. 299 ciProfileData* ciMethodData::bci_to_data(int bci, ciMethod* m) { 300 // If m is not NULL we look for a SpeculativeTrapData entry 301 if (m == NULL) { 302 ciProfileData* data = data_before(bci); 303 for ( ; is_valid(data); data = next_data(data)) { 304 if (data->bci() == bci) { 305 set_hint_di(dp_to_di(data->dp())); 306 return data; 307 } else if (data->bci() > bci) { 308 break; 309 } 310 } 311 } 312 bool two_free_slots = false; 313 ciProfileData* result = bci_to_extra_data(bci, m, two_free_slots); 314 if (result != NULL) { 315 return result; 316 } 317 if (m != NULL && !two_free_slots) { 318 // We were looking for a SpeculativeTrapData entry we didn't 319 // find. Room is not available for more SpeculativeTrapData 320 // entries, look in the non SpeculativeTrapData entries. 321 return bci_to_data(bci, NULL); 322 } 323 return NULL; 324 } 325 326 // Conservatively decode the trap_state of a ciProfileData. 327 int ciMethodData::has_trap_at(ciProfileData* data, int reason) { 328 typedef Deoptimization::DeoptReason DR_t; 329 int per_bc_reason 330 = Deoptimization::reason_recorded_per_bytecode_if_any((DR_t) reason); 331 if (trap_count(reason) == 0) { 332 // Impossible for this trap to have occurred, regardless of trap_state. 333 // Note: This happens if the MDO is empty. 334 return 0; 335 } else if (per_bc_reason == Deoptimization::Reason_none) { 336 // We cannot conclude anything; a trap happened somewhere, maybe here. 337 return -1; 338 } else if (data == NULL) { 339 // No profile here, not even an extra_data record allocated on the fly. 340 // If there are empty extra_data records, and there had been a trap, 341 // there would have been a non-null data pointer. If there are no 342 // free extra_data records, we must return a conservative -1. 343 if (_saw_free_extra_data) 344 return 0; // Q.E.D. 345 else 346 return -1; // bail with a conservative answer 347 } else { 348 return Deoptimization::trap_state_has_reason(data->trap_state(), per_bc_reason); 349 } 350 } 351 352 int ciMethodData::trap_recompiled_at(ciProfileData* data) { 353 if (data == NULL) { 354 return (_saw_free_extra_data? 0: -1); // (see previous method) 355 } else { 356 return Deoptimization::trap_state_is_recompiled(data->trap_state())? 1: 0; 357 } 358 } 359 360 void ciMethodData::clear_escape_info() { 361 VM_ENTRY_MARK; 362 MethodData* mdo = get_MethodData(); 363 if (mdo != NULL) { 364 mdo->clear_escape_info(); 365 ArgInfoData *aid = arg_info(); 366 int arg_count = (aid == NULL) ? 0 : aid->number_of_args(); 367 for (int i = 0; i < arg_count; i++) { 368 set_arg_modified(i, 0); 369 } 370 } 371 _eflags = _arg_local = _arg_stack = _arg_returned = 0; 372 } 373 374 // copy our escape info to the MethodData* if it exists 375 void ciMethodData::update_escape_info() { 376 VM_ENTRY_MARK; 377 MethodData* mdo = get_MethodData(); 378 if ( mdo != NULL) { 379 mdo->set_eflags(_eflags); 380 mdo->set_arg_local(_arg_local); 381 mdo->set_arg_stack(_arg_stack); 382 mdo->set_arg_returned(_arg_returned); 383 int arg_count = mdo->method()->size_of_parameters(); 384 for (int i = 0; i < arg_count; i++) { 385 mdo->set_arg_modified(i, arg_modified(i)); 386 } 387 } 388 } 389 390 void ciMethodData::set_compilation_stats(short loops, short blocks) { 391 VM_ENTRY_MARK; 392 MethodData* mdo = get_MethodData(); 393 if (mdo != NULL) { 394 mdo->set_num_loops(loops); 395 mdo->set_num_blocks(blocks); 396 } 397 } 398 399 void ciMethodData::set_would_profile(bool p) { 400 VM_ENTRY_MARK; 401 MethodData* mdo = get_MethodData(); 402 if (mdo != NULL) { 403 mdo->set_would_profile(p); 404 } 405 } 406 407 void ciMethodData::set_argument_type(int bci, int i, ciKlass* k) { 408 VM_ENTRY_MARK; 409 MethodData* mdo = get_MethodData(); 410 if (mdo != NULL) { 411 ProfileData* data = mdo->bci_to_data(bci); 412 if (data->is_CallTypeData()) { 413 data->as_CallTypeData()->set_argument_type(i, k->get_Klass()); 414 } else { 415 assert(data->is_VirtualCallTypeData(), "no arguments!"); 416 data->as_VirtualCallTypeData()->set_argument_type(i, k->get_Klass()); 417 } 418 } 419 } 420 421 void ciMethodData::set_parameter_type(int i, ciKlass* k) { 422 VM_ENTRY_MARK; 423 MethodData* mdo = get_MethodData(); 424 if (mdo != NULL) { 425 mdo->parameters_type_data()->set_type(i, k->get_Klass()); 426 } 427 } 428 429 void ciMethodData::set_return_type(int bci, ciKlass* k) { 430 VM_ENTRY_MARK; 431 MethodData* mdo = get_MethodData(); 432 if (mdo != NULL) { 433 ProfileData* data = mdo->bci_to_data(bci); 434 if (data->is_CallTypeData()) { 435 data->as_CallTypeData()->set_return_type(k->get_Klass()); 436 } else { 437 assert(data->is_VirtualCallTypeData(), "no arguments!"); 438 data->as_VirtualCallTypeData()->set_return_type(k->get_Klass()); 439 } 440 } 441 } 442 443 bool ciMethodData::has_escape_info() { 444 return eflag_set(MethodData::estimated); 445 } 446 447 void ciMethodData::set_eflag(MethodData::EscapeFlag f) { 448 set_bits(_eflags, f); 449 } 450 451 void ciMethodData::clear_eflag(MethodData::EscapeFlag f) { 452 clear_bits(_eflags, f); 453 } 454 455 bool ciMethodData::eflag_set(MethodData::EscapeFlag f) const { 456 return mask_bits(_eflags, f) != 0; 457 } 458 459 void ciMethodData::set_arg_local(int i) { 460 set_nth_bit(_arg_local, i); 461 } 462 463 void ciMethodData::set_arg_stack(int i) { 464 set_nth_bit(_arg_stack, i); 465 } 466 467 void ciMethodData::set_arg_returned(int i) { 468 set_nth_bit(_arg_returned, i); 469 } 470 471 void ciMethodData::set_arg_modified(int arg, uint val) { 472 ArgInfoData *aid = arg_info(); 473 if (aid == NULL) 474 return; 475 assert(arg >= 0 && arg < aid->number_of_args(), "valid argument number"); 476 aid->set_arg_modified(arg, val); 477 } 478 479 bool ciMethodData::is_arg_local(int i) const { 480 return is_set_nth_bit(_arg_local, i); 481 } 482 483 bool ciMethodData::is_arg_stack(int i) const { 484 return is_set_nth_bit(_arg_stack, i); 485 } 486 487 bool ciMethodData::is_arg_returned(int i) const { 488 return is_set_nth_bit(_arg_returned, i); 489 } 490 491 uint ciMethodData::arg_modified(int arg) const { 492 ArgInfoData *aid = arg_info(); 493 if (aid == NULL) 494 return 0; 495 assert(arg >= 0 && arg < aid->number_of_args(), "valid argument number"); 496 return aid->arg_modified(arg); 497 } 498 499 ByteSize ciMethodData::offset_of_slot(ciProfileData* data, ByteSize slot_offset_in_data) { 500 // Get offset within MethodData* of the data array 501 ByteSize data_offset = MethodData::data_offset(); 502 503 // Get cell offset of the ProfileData within data array 504 int cell_offset = dp_to_di(data->dp()); 505 506 // Add in counter_offset, the # of bytes into the ProfileData of counter or flag 507 int offset = in_bytes(data_offset) + cell_offset + in_bytes(slot_offset_in_data); 508 509 return in_ByteSize(offset); 510 } 511 512 ciArgInfoData *ciMethodData::arg_info() const { 513 // Should be last, have to skip all traps. 514 DataLayout* dp = extra_data_base(); 515 DataLayout* end = args_data_limit(); 516 for (; dp < end; dp = MethodData::next_extra(dp)) { 517 if (dp->tag() == DataLayout::arg_info_data_tag) 518 return new ciArgInfoData(dp); 519 } 520 return NULL; 521 } 522 523 524 // Implementation of the print method. 525 void ciMethodData::print_impl(outputStream* st) { 526 ciMetadata::print_impl(st); 527 } 528 529 void ciMethodData::dump_replay_data_type_helper(outputStream* out, int round, int& count, ProfileData* pdata, ByteSize offset, ciKlass* k) { 530 if (k != NULL) { 531 if (round == 0) { 532 count++; 533 } else { 534 out->print(" %d %s", (int)(dp_to_di(pdata->dp() + in_bytes(offset)) / sizeof(intptr_t)), k->name()->as_quoted_ascii()); 535 } 536 } 537 } 538 539 template<class T> void ciMethodData::dump_replay_data_receiver_type_helper(outputStream* out, int round, int& count, T* vdata) { 540 for (uint i = 0; i < vdata->row_limit(); i++) { 541 dump_replay_data_type_helper(out, round, count, vdata, vdata->receiver_offset(i), vdata->receiver(i)); 542 } 543 } 544 545 template<class T> void ciMethodData::dump_replay_data_call_type_helper(outputStream* out, int round, int& count, T* call_type_data) { 546 if (call_type_data->has_arguments()) { 547 for (int i = 0; i < call_type_data->number_of_arguments(); i++) { 548 dump_replay_data_type_helper(out, round, count, call_type_data, call_type_data->argument_type_offset(i), call_type_data->valid_argument_type(i)); 549 } 550 } 551 if (call_type_data->has_return()) { 552 dump_replay_data_type_helper(out, round, count, call_type_data, call_type_data->return_type_offset(), call_type_data->valid_return_type()); 553 } 554 } 555 556 void ciMethodData::dump_replay_data_extra_data_helper(outputStream* out, int round, int& count) { 557 DataLayout* dp = extra_data_base(); 558 DataLayout* end = args_data_limit(); 559 560 for (;dp < end; dp = MethodData::next_extra(dp)) { 561 switch(dp->tag()) { 562 case DataLayout::no_tag: 563 case DataLayout::arg_info_data_tag: 564 return; 565 case DataLayout::bit_data_tag: 566 break; 567 case DataLayout::speculative_trap_data_tag: { 568 ciSpeculativeTrapData* data = new ciSpeculativeTrapData(dp); 569 ciMethod* m = data->method(); 570 if (m != NULL) { 571 if (round == 0) { 572 count++; 573 } else { 574 out->print(" %d ", (int)(dp_to_di(((address)dp) + in_bytes(ciSpeculativeTrapData::method_offset())) / sizeof(intptr_t))); 575 m->dump_name_as_ascii(out); 576 } 577 } 578 break; 579 } 580 default: 581 fatal(err_msg("bad tag = %d", dp->tag())); 582 } 583 } 584 } 585 586 void ciMethodData::dump_replay_data(outputStream* out) { 587 ResourceMark rm; 588 MethodData* mdo = get_MethodData(); 589 Method* method = mdo->method(); 590 Klass* holder = method->method_holder(); 591 out->print("ciMethodData %s %s %s %d %d", 592 holder->name()->as_quoted_ascii(), 593 method->name()->as_quoted_ascii(), 594 method->signature()->as_quoted_ascii(), 595 _state, 596 current_mileage()); 597 598 // dump the contents of the MDO header as raw data 599 unsigned char* orig = (unsigned char*)&_orig; 600 int length = sizeof(_orig); 601 out->print(" orig %d", length); 602 for (int i = 0; i < length; i++) { 603 out->print(" %d", orig[i]); 604 } 605 606 // dump the MDO data as raw data 607 int elements = (data_size() + extra_data_size()) / sizeof(intptr_t); 608 out->print(" data %d", elements); 609 for (int i = 0; i < elements; i++) { 610 // We could use INTPTR_FORMAT here but that's a zero justified 611 // which makes comparing it with the SA version of this output 612 // harder. 613 #ifdef _LP64 614 out->print(" 0x%" FORMAT64_MODIFIER "x", data()[i]); 615 #else 616 out->print(" 0x%x", data()[i]); 617 #endif 618 } 619 620 // The MDO contained oop references as ciObjects, so scan for those 621 // and emit pairs of offset and klass name so that they can be 622 // reconstructed at runtime. The first round counts the number of 623 // oop references and the second actually emits them. 624 ciParametersTypeData* parameters = parameters_type_data(); 625 for (int count = 0, round = 0; round < 2; round++) { 626 if (round == 1) out->print(" oops %d", count); 627 ProfileData* pdata = first_data(); 628 for ( ; is_valid(pdata); pdata = next_data(pdata)) { 629 if (pdata->is_VirtualCallData()) { 630 ciVirtualCallData* vdata = (ciVirtualCallData*)pdata; 631 dump_replay_data_receiver_type_helper<ciVirtualCallData>(out, round, count, vdata); 632 if (pdata->is_VirtualCallTypeData()) { 633 ciVirtualCallTypeData* call_type_data = (ciVirtualCallTypeData*)pdata; 634 dump_replay_data_call_type_helper<ciVirtualCallTypeData>(out, round, count, call_type_data); 635 } 636 } else if (pdata->is_ReceiverTypeData()) { 637 ciReceiverTypeData* vdata = (ciReceiverTypeData*)pdata; 638 dump_replay_data_receiver_type_helper<ciReceiverTypeData>(out, round, count, vdata); 639 } else if (pdata->is_CallTypeData()) { 640 ciCallTypeData* call_type_data = (ciCallTypeData*)pdata; 641 dump_replay_data_call_type_helper<ciCallTypeData>(out, round, count, call_type_data); 642 } 643 } 644 if (parameters != NULL) { 645 for (int i = 0; i < parameters->number_of_parameters(); i++) { 646 dump_replay_data_type_helper(out, round, count, parameters, ParametersTypeData::type_offset(i), parameters->valid_parameter_type(i)); 647 } 648 } 649 } 650 for (int count = 0, round = 0; round < 2; round++) { 651 if (round == 1) out->print(" methods %d", count); 652 dump_replay_data_extra_data_helper(out, round, count); 653 } 654 out->cr(); 655 } 656 657 #ifndef PRODUCT 658 void ciMethodData::print() { 659 print_data_on(tty); 660 } 661 662 void ciMethodData::print_data_on(outputStream* st) { 663 ResourceMark rm; 664 ciParametersTypeData* parameters = parameters_type_data(); 665 if (parameters != NULL) { 666 parameters->print_data_on(st); 667 } 668 ciProfileData* data; 669 for (data = first_data(); is_valid(data); data = next_data(data)) { 670 st->print("%d", dp_to_di(data->dp())); 671 st->fill_to(6); 672 data->print_data_on(st); 673 } 674 st->print_cr("--- Extra data:"); 675 DataLayout* dp = extra_data_base(); 676 DataLayout* end = args_data_limit(); 677 for (;; dp = MethodData::next_extra(dp)) { 678 assert(dp < end, "moved past end of extra data"); 679 switch (dp->tag()) { 680 case DataLayout::no_tag: 681 continue; 682 case DataLayout::bit_data_tag: 683 data = new BitData(dp); 684 break; 685 case DataLayout::arg_info_data_tag: 686 data = new ciArgInfoData(dp); 687 dp = end; // ArgInfoData is at the end of extra data section. 688 break; 689 case DataLayout::speculative_trap_data_tag: 690 data = new ciSpeculativeTrapData(dp); 691 break; 692 default: 693 fatal(err_msg("unexpected tag %d", dp->tag())); 694 } 695 st->print("%d", dp_to_di(data->dp())); 696 st->fill_to(6); 697 data->print_data_on(st); 698 if (dp >= end) return; 699 } 700 } 701 702 void ciTypeEntries::print_ciklass(outputStream* st, intptr_t k) { 703 if (TypeEntries::is_type_none(k)) { 704 st->print("none"); 705 } else if (TypeEntries::is_type_unknown(k)) { 706 st->print("unknown"); 707 } else { 708 valid_ciklass(k)->print_name_on(st); 709 } 710 if (TypeEntries::was_null_seen(k)) { 711 st->print(" (null seen)"); 712 } 713 } 714 715 void ciTypeStackSlotEntries::print_data_on(outputStream* st) const { 716 for (int i = 0; i < number_of_entries(); i++) { 717 _pd->tab(st); 718 st->print("%d: stack (%u) ", i, stack_slot(i)); 719 print_ciklass(st, type(i)); 720 st->cr(); 721 } 722 } 723 724 void ciReturnTypeEntry::print_data_on(outputStream* st) const { 725 _pd->tab(st); 726 st->print("ret "); 727 print_ciklass(st, type()); 728 st->cr(); 729 } 730 731 void ciCallTypeData::print_data_on(outputStream* st, const char* extra) const { 732 print_shared(st, "ciCallTypeData", extra); 733 if (has_arguments()) { 734 tab(st, true); 735 st->print_cr("argument types"); 736 args()->print_data_on(st); 737 } 738 if (has_return()) { 739 tab(st, true); 740 st->print_cr("return type"); 741 ret()->print_data_on(st); 742 } 743 } 744 745 void ciReceiverTypeData::print_receiver_data_on(outputStream* st) const { 746 uint row; 747 int entries = 0; 748 for (row = 0; row < row_limit(); row++) { 749 if (receiver(row) != NULL) entries++; 750 } 751 st->print_cr("count(%u) entries(%u)", count(), entries); 752 for (row = 0; row < row_limit(); row++) { 753 if (receiver(row) != NULL) { 754 tab(st); 755 receiver(row)->print_name_on(st); 756 st->print_cr("(%u)", receiver_count(row)); 757 } 758 } 759 } 760 761 void ciReceiverTypeData::print_data_on(outputStream* st, const char* extra) const { 762 print_shared(st, "ciReceiverTypeData", extra); 763 print_receiver_data_on(st); 764 } 765 766 void ciVirtualCallData::print_data_on(outputStream* st, const char* extra) const { 767 print_shared(st, "ciVirtualCallData", extra); 768 rtd_super()->print_receiver_data_on(st); 769 } 770 771 void ciVirtualCallTypeData::print_data_on(outputStream* st, const char* extra) const { 772 print_shared(st, "ciVirtualCallTypeData", extra); 773 rtd_super()->print_receiver_data_on(st); 774 if (has_arguments()) { 775 tab(st, true); 776 st->print("argument types"); 777 args()->print_data_on(st); 778 } 779 if (has_return()) { 780 tab(st, true); 781 st->print("return type"); 782 ret()->print_data_on(st); 783 } 784 } 785 786 void ciParametersTypeData::print_data_on(outputStream* st, const char* extra) const { 787 st->print_cr("ciParametersTypeData"); 788 parameters()->print_data_on(st); 789 } 790 791 void ciSpeculativeTrapData::print_data_on(outputStream* st, const char* extra) const { 792 st->print_cr("ciSpeculativeTrapData"); 793 tab(st); 794 method()->print_short_name(st); 795 st->cr(); 796 } 797 #endif