1 /* 2 * Copyright (c) 1998, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #include "precompiled.hpp" 26 #include "jvm.h" 27 #include "code/codeBlob.hpp" 28 #include "code/codeCache.hpp" 29 #include "code/icBuffer.hpp" 30 #include "code/relocInfo.hpp" 31 #include "code/vtableStubs.hpp" 32 #include "compiler/disassembler.hpp" 33 #include "interpreter/bytecode.hpp" 34 #include "memory/allocation.inline.hpp" 35 #include "memory/heap.hpp" 36 #include "memory/resourceArea.hpp" 37 #include "oops/oop.inline.hpp" 38 #include "prims/forte.hpp" 39 #include "runtime/handles.inline.hpp" 40 #include "runtime/interfaceSupport.inline.hpp" 41 #include "runtime/mutexLocker.hpp" 42 #include "runtime/safepoint.hpp" 43 #include "runtime/sharedRuntime.hpp" 44 #include "runtime/vframe.hpp" 45 #include "services/memoryService.hpp" 46 #include "utilities/align.hpp" 47 #ifdef COMPILER1 48 #include "c1/c1_Runtime1.hpp" 49 #endif 50 51 const char* CodeBlob::compiler_name() const { 52 return compilertype2name(_type); 53 } 54 55 unsigned int CodeBlob::align_code_offset(int offset) { 56 // align the size to CodeEntryAlignment 57 return 58 ((offset + (int)CodeHeap::header_size() + (CodeEntryAlignment-1)) & ~(CodeEntryAlignment-1)) 59 - (int)CodeHeap::header_size(); 60 } 61 62 63 // This must be consistent with the CodeBlob constructor's layout actions. 64 unsigned int CodeBlob::allocation_size(CodeBuffer* cb, int header_size) { 65 unsigned int size = header_size; 66 size += align_up(cb->total_relocation_size(), oopSize); 67 // align the size to CodeEntryAlignment 68 size = align_code_offset(size); 69 size += align_up(cb->total_content_size(), oopSize); 70 size += align_up(cb->total_oop_size(), oopSize); 71 size += align_up(cb->total_metadata_size(), oopSize); 72 return size; 73 } 74 75 CodeBlob::CodeBlob(const char* name, CompilerType type, const CodeBlobLayout& layout, int frame_complete_offset, int frame_size, ImmutableOopMapSet* oop_maps, bool caller_must_gc_arguments) : 76 _type(type), 77 _size(layout.size()), 78 _header_size(layout.header_size()), 79 _frame_complete_offset(frame_complete_offset), 80 _data_offset(layout.data_offset()), 81 _frame_size(frame_size), 82 _code_begin(layout.code_begin()), 83 _code_end(layout.code_end()), 84 _content_begin(layout.content_begin()), 85 _data_end(layout.data_end()), 86 _relocation_begin(layout.relocation_begin()), 87 _relocation_end(layout.relocation_end()), 88 _oop_maps(oop_maps), 89 _caller_must_gc_arguments(caller_must_gc_arguments), 90 _strings(CodeStrings()), 91 _name(name) 92 { 93 assert(is_aligned(layout.size(), oopSize), "unaligned size"); 94 assert(is_aligned(layout.header_size(), oopSize), "unaligned size"); 95 assert(is_aligned(layout.relocation_size(), oopSize), "unaligned size"); 96 assert(layout.code_end() == layout.content_end(), "must be the same - see code_end()"); 97 #ifdef COMPILER1 98 // probably wrong for tiered 99 assert(_frame_size >= -1, "must use frame size or -1 for runtime stubs"); 100 #endif // COMPILER1 101 } 102 103 CodeBlob::CodeBlob(const char* name, CompilerType type, const CodeBlobLayout& layout, CodeBuffer* cb, int frame_complete_offset, int frame_size, OopMapSet* oop_maps, bool caller_must_gc_arguments) : 104 _type(type), 105 _size(layout.size()), 106 _header_size(layout.header_size()), 107 _frame_complete_offset(frame_complete_offset), 108 _data_offset(layout.data_offset()), 109 _frame_size(frame_size), 110 _code_begin(layout.code_begin()), 111 _code_end(layout.code_end()), 112 _content_begin(layout.content_begin()), 113 _data_end(layout.data_end()), 114 _relocation_begin(layout.relocation_begin()), 115 _relocation_end(layout.relocation_end()), 116 _caller_must_gc_arguments(caller_must_gc_arguments), 117 _strings(CodeStrings()), 118 _name(name) 119 { 120 assert(is_aligned(_size, oopSize), "unaligned size"); 121 assert(is_aligned(_header_size, oopSize), "unaligned size"); 122 assert(_data_offset <= _size, "codeBlob is too small"); 123 assert(layout.code_end() == layout.content_end(), "must be the same - see code_end()"); 124 125 set_oop_maps(oop_maps); 126 #ifdef COMPILER1 127 // probably wrong for tiered 128 assert(_frame_size >= -1, "must use frame size or -1 for runtime stubs"); 129 #endif // COMPILER1 130 } 131 132 133 // Creates a simple CodeBlob. Sets up the size of the different regions. 134 RuntimeBlob::RuntimeBlob(const char* name, int header_size, int size, int frame_complete, int locs_size) 135 : CodeBlob(name, compiler_none, CodeBlobLayout((address) this, size, header_size, locs_size, size), frame_complete, 0, NULL, false /* caller_must_gc_arguments */) 136 { 137 assert(is_aligned(locs_size, oopSize), "unaligned size"); 138 } 139 140 141 // Creates a RuntimeBlob from a CodeBuffer 142 // and copy code and relocation info. 143 RuntimeBlob::RuntimeBlob( 144 const char* name, 145 CodeBuffer* cb, 146 int header_size, 147 int size, 148 int frame_complete, 149 int frame_size, 150 OopMapSet* oop_maps, 151 bool caller_must_gc_arguments 152 ) : CodeBlob(name, compiler_none, CodeBlobLayout((address) this, size, header_size, cb), cb, frame_complete, frame_size, oop_maps, caller_must_gc_arguments) { 153 cb->copy_code_and_locs_to(this); 154 } 155 156 void CodeBlob::flush() { 157 if (_oop_maps) { 158 FREE_C_HEAP_ARRAY(unsigned char, _oop_maps); 159 _oop_maps = NULL; 160 } 161 _strings.free(); 162 } 163 164 void CodeBlob::set_oop_maps(OopMapSet* p) { 165 // Danger Will Robinson! This method allocates a big 166 // chunk of memory, its your job to free it. 167 if (p != NULL) { 168 _oop_maps = ImmutableOopMapSet::build_from(p); 169 } else { 170 _oop_maps = NULL; 171 } 172 } 173 174 175 void RuntimeBlob::trace_new_stub(RuntimeBlob* stub, const char* name1, const char* name2) { 176 // Do not hold the CodeCache lock during name formatting. 177 assert(!CodeCache_lock->owned_by_self(), "release CodeCache before registering the stub"); 178 179 if (stub != NULL) { 180 char stub_id[256]; 181 assert(strlen(name1) + strlen(name2) < sizeof(stub_id), ""); 182 jio_snprintf(stub_id, sizeof(stub_id), "%s%s", name1, name2); 183 if (PrintStubCode) { 184 ttyLocker ttyl; 185 tty->print_cr("Decoding %s " INTPTR_FORMAT, stub_id, (intptr_t) stub); 186 Disassembler::decode(stub->code_begin(), stub->code_end()); 187 tty->cr(); 188 } 189 Forte::register_stub(stub_id, stub->code_begin(), stub->code_end()); 190 191 if (JvmtiExport::should_post_dynamic_code_generated()) { 192 const char* stub_name = name2; 193 if (name2[0] == '\0') stub_name = name1; 194 JvmtiExport::post_dynamic_code_generated(stub_name, stub->code_begin(), stub->code_end()); 195 } 196 } 197 198 // Track memory usage statistic after releasing CodeCache_lock 199 MemoryService::track_code_cache_memory_usage(); 200 } 201 202 const ImmutableOopMap* CodeBlob::oop_map_for_return_address(address return_address) { 203 assert(_oop_maps != NULL, "nope"); 204 return _oop_maps->find_map_at_offset((intptr_t) return_address - (intptr_t) code_begin()); 205 } 206 207 void CodeBlob::print_code() { 208 ResourceMark m; 209 Disassembler::decode(this, tty); 210 } 211 212 //---------------------------------------------------------------------------------------------------- 213 // Implementation of BufferBlob 214 215 216 BufferBlob::BufferBlob(const char* name, int size) 217 : RuntimeBlob(name, sizeof(BufferBlob), size, CodeOffsets::frame_never_safe, /*locs_size:*/ 0) 218 {} 219 220 BufferBlob* BufferBlob::create(const char* name, int buffer_size) { 221 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock 222 223 BufferBlob* blob = NULL; 224 unsigned int size = sizeof(BufferBlob); 225 // align the size to CodeEntryAlignment 226 size = CodeBlob::align_code_offset(size); 227 size += align_up(buffer_size, oopSize); 228 assert(name != NULL, "must provide a name"); 229 { 230 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); 231 blob = new (size) BufferBlob(name, size); 232 } 233 // Track memory usage statistic after releasing CodeCache_lock 234 MemoryService::track_code_cache_memory_usage(); 235 236 return blob; 237 } 238 239 240 BufferBlob::BufferBlob(const char* name, int size, CodeBuffer* cb) 241 : RuntimeBlob(name, cb, sizeof(BufferBlob), size, CodeOffsets::frame_never_safe, 0, NULL) 242 {} 243 244 BufferBlob* BufferBlob::create(const char* name, CodeBuffer* cb) { 245 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock 246 247 BufferBlob* blob = NULL; 248 unsigned int size = CodeBlob::allocation_size(cb, sizeof(BufferBlob)); 249 assert(name != NULL, "must provide a name"); 250 { 251 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); 252 blob = new (size) BufferBlob(name, size, cb); 253 } 254 // Track memory usage statistic after releasing CodeCache_lock 255 MemoryService::track_code_cache_memory_usage(); 256 257 return blob; 258 } 259 260 void* BufferBlob::operator new(size_t s, unsigned size) throw() { 261 return CodeCache::allocate(size, CodeBlobType::NonNMethod); 262 } 263 264 void BufferBlob::free(BufferBlob *blob) { 265 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock 266 blob->flush(); 267 { 268 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); 269 CodeCache::free((RuntimeBlob*)blob); 270 } 271 // Track memory usage statistic after releasing CodeCache_lock 272 MemoryService::track_code_cache_memory_usage(); 273 } 274 275 276 //---------------------------------------------------------------------------------------------------- 277 // Implementation of AdapterBlob 278 279 AdapterBlob::AdapterBlob(int size, CodeBuffer* cb) : 280 BufferBlob("I2C/C2I adapters", size, cb) { 281 CodeCache::commit(this); 282 } 283 284 AdapterBlob* AdapterBlob::create(CodeBuffer* cb) { 285 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock 286 287 AdapterBlob* blob = NULL; 288 unsigned int size = CodeBlob::allocation_size(cb, sizeof(AdapterBlob)); 289 { 290 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); 291 blob = new (size) AdapterBlob(size, cb); 292 } 293 // Track memory usage statistic after releasing CodeCache_lock 294 MemoryService::track_code_cache_memory_usage(); 295 296 return blob; 297 } 298 299 VtableBlob::VtableBlob(const char* name, int size) : 300 BufferBlob(name, size) { 301 } 302 303 VtableBlob* VtableBlob::create(const char* name, int buffer_size) { 304 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock 305 306 VtableBlob* blob = NULL; 307 unsigned int size = sizeof(VtableBlob); 308 // align the size to CodeEntryAlignment 309 size = align_code_offset(size); 310 size += align_up(buffer_size, oopSize); 311 assert(name != NULL, "must provide a name"); 312 { 313 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); 314 blob = new (size) VtableBlob(name, size); 315 } 316 // Track memory usage statistic after releasing CodeCache_lock 317 MemoryService::track_code_cache_memory_usage(); 318 319 return blob; 320 } 321 322 //---------------------------------------------------------------------------------------------------- 323 // Implementation of MethodHandlesAdapterBlob 324 325 MethodHandlesAdapterBlob* MethodHandlesAdapterBlob::create(int buffer_size) { 326 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock 327 328 MethodHandlesAdapterBlob* blob = NULL; 329 unsigned int size = sizeof(MethodHandlesAdapterBlob); 330 // align the size to CodeEntryAlignment 331 size = CodeBlob::align_code_offset(size); 332 size += align_up(buffer_size, oopSize); 333 { 334 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); 335 blob = new (size) MethodHandlesAdapterBlob(size); 336 if (blob == NULL) { 337 vm_exit_out_of_memory(size, OOM_MALLOC_ERROR, "CodeCache: no room for method handle adapter blob"); 338 } 339 } 340 // Track memory usage statistic after releasing CodeCache_lock 341 MemoryService::track_code_cache_memory_usage(); 342 343 return blob; 344 } 345 346 //---------------------------------------------------------------------------------------------------- 347 // Implementation of RuntimeStub 348 349 RuntimeStub::RuntimeStub( 350 const char* name, 351 CodeBuffer* cb, 352 int size, 353 int frame_complete, 354 int frame_size, 355 OopMapSet* oop_maps, 356 bool caller_must_gc_arguments 357 ) 358 : RuntimeBlob(name, cb, sizeof(RuntimeStub), size, frame_complete, frame_size, oop_maps, caller_must_gc_arguments) 359 { 360 } 361 362 RuntimeStub* RuntimeStub::new_runtime_stub(const char* stub_name, 363 CodeBuffer* cb, 364 int frame_complete, 365 int frame_size, 366 OopMapSet* oop_maps, 367 bool caller_must_gc_arguments) 368 { 369 RuntimeStub* stub = NULL; 370 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock 371 { 372 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); 373 unsigned int size = CodeBlob::allocation_size(cb, sizeof(RuntimeStub)); 374 stub = new (size) RuntimeStub(stub_name, cb, size, frame_complete, frame_size, oop_maps, caller_must_gc_arguments); 375 } 376 377 trace_new_stub(stub, "RuntimeStub - ", stub_name); 378 379 return stub; 380 } 381 382 383 void* RuntimeStub::operator new(size_t s, unsigned size) throw() { 384 void* p = CodeCache::allocate(size, CodeBlobType::NonNMethod); 385 if (!p) fatal("Initial size of CodeCache is too small"); 386 return p; 387 } 388 389 // operator new shared by all singletons: 390 void* SingletonBlob::operator new(size_t s, unsigned size) throw() { 391 void* p = CodeCache::allocate(size, CodeBlobType::NonNMethod); 392 if (!p) fatal("Initial size of CodeCache is too small"); 393 return p; 394 } 395 396 397 //---------------------------------------------------------------------------------------------------- 398 // Implementation of DeoptimizationBlob 399 400 DeoptimizationBlob::DeoptimizationBlob( 401 CodeBuffer* cb, 402 int size, 403 OopMapSet* oop_maps, 404 int unpack_offset, 405 int unpack_with_exception_offset, 406 int unpack_with_reexecution_offset, 407 int frame_size 408 ) 409 : SingletonBlob("DeoptimizationBlob", cb, sizeof(DeoptimizationBlob), size, frame_size, oop_maps) 410 { 411 _unpack_offset = unpack_offset; 412 _unpack_with_exception = unpack_with_exception_offset; 413 _unpack_with_reexecution = unpack_with_reexecution_offset; 414 #ifdef COMPILER1 415 _unpack_with_exception_in_tls = -1; 416 #endif 417 } 418 419 420 DeoptimizationBlob* DeoptimizationBlob::create( 421 CodeBuffer* cb, 422 OopMapSet* oop_maps, 423 int unpack_offset, 424 int unpack_with_exception_offset, 425 int unpack_with_reexecution_offset, 426 int frame_size) 427 { 428 DeoptimizationBlob* blob = NULL; 429 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock 430 { 431 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); 432 unsigned int size = CodeBlob::allocation_size(cb, sizeof(DeoptimizationBlob)); 433 blob = new (size) DeoptimizationBlob(cb, 434 size, 435 oop_maps, 436 unpack_offset, 437 unpack_with_exception_offset, 438 unpack_with_reexecution_offset, 439 frame_size); 440 } 441 442 trace_new_stub(blob, "DeoptimizationBlob"); 443 444 return blob; 445 } 446 447 448 //---------------------------------------------------------------------------------------------------- 449 // Implementation of UncommonTrapBlob 450 451 #ifdef COMPILER2 452 UncommonTrapBlob::UncommonTrapBlob( 453 CodeBuffer* cb, 454 int size, 455 OopMapSet* oop_maps, 456 int frame_size 457 ) 458 : SingletonBlob("UncommonTrapBlob", cb, sizeof(UncommonTrapBlob), size, frame_size, oop_maps) 459 {} 460 461 462 UncommonTrapBlob* UncommonTrapBlob::create( 463 CodeBuffer* cb, 464 OopMapSet* oop_maps, 465 int frame_size) 466 { 467 UncommonTrapBlob* blob = NULL; 468 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock 469 { 470 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); 471 unsigned int size = CodeBlob::allocation_size(cb, sizeof(UncommonTrapBlob)); 472 blob = new (size) UncommonTrapBlob(cb, size, oop_maps, frame_size); 473 } 474 475 trace_new_stub(blob, "UncommonTrapBlob"); 476 477 return blob; 478 } 479 480 481 #endif // COMPILER2 482 483 484 //---------------------------------------------------------------------------------------------------- 485 // Implementation of ExceptionBlob 486 487 #ifdef COMPILER2 488 ExceptionBlob::ExceptionBlob( 489 CodeBuffer* cb, 490 int size, 491 OopMapSet* oop_maps, 492 int frame_size 493 ) 494 : SingletonBlob("ExceptionBlob", cb, sizeof(ExceptionBlob), size, frame_size, oop_maps) 495 {} 496 497 498 ExceptionBlob* ExceptionBlob::create( 499 CodeBuffer* cb, 500 OopMapSet* oop_maps, 501 int frame_size) 502 { 503 ExceptionBlob* blob = NULL; 504 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock 505 { 506 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); 507 unsigned int size = CodeBlob::allocation_size(cb, sizeof(ExceptionBlob)); 508 blob = new (size) ExceptionBlob(cb, size, oop_maps, frame_size); 509 } 510 511 trace_new_stub(blob, "ExceptionBlob"); 512 513 return blob; 514 } 515 516 517 #endif // COMPILER2 518 519 520 //---------------------------------------------------------------------------------------------------- 521 // Implementation of SafepointBlob 522 523 SafepointBlob::SafepointBlob( 524 CodeBuffer* cb, 525 int size, 526 OopMapSet* oop_maps, 527 int frame_size 528 ) 529 : SingletonBlob("SafepointBlob", cb, sizeof(SafepointBlob), size, frame_size, oop_maps) 530 {} 531 532 533 SafepointBlob* SafepointBlob::create( 534 CodeBuffer* cb, 535 OopMapSet* oop_maps, 536 int frame_size) 537 { 538 SafepointBlob* blob = NULL; 539 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock 540 { 541 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); 542 unsigned int size = CodeBlob::allocation_size(cb, sizeof(SafepointBlob)); 543 blob = new (size) SafepointBlob(cb, size, oop_maps, frame_size); 544 } 545 546 trace_new_stub(blob, "SafepointBlob"); 547 548 return blob; 549 } 550 551 552 //---------------------------------------------------------------------------------------------------- 553 // Verification and printing 554 555 void CodeBlob::print_on(outputStream* st) const { 556 st->print_cr("[CodeBlob (" INTPTR_FORMAT ")]", p2i(this)); 557 st->print_cr("Framesize: %d", _frame_size); 558 } 559 560 void CodeBlob::print_value_on(outputStream* st) const { 561 st->print_cr("[CodeBlob]"); 562 } 563 564 void CodeBlob::dump_for_addr(address addr, outputStream* st, bool verbose) const { 565 if (is_buffer_blob()) { 566 // the interpreter is generated into a buffer blob 567 InterpreterCodelet* i = Interpreter::codelet_containing(addr); 568 if (i != NULL) { 569 st->print_cr(INTPTR_FORMAT " is at code_begin+%d in an Interpreter codelet", p2i(addr), (int)(addr - i->code_begin())); 570 i->print_on(st); 571 return; 572 } 573 if (Interpreter::contains(addr)) { 574 st->print_cr(INTPTR_FORMAT " is pointing into interpreter code" 575 " (not bytecode specific)", p2i(addr)); 576 return; 577 } 578 // 579 if (AdapterHandlerLibrary::contains(this)) { 580 st->print_cr(INTPTR_FORMAT " is at code_begin+%d in an AdapterHandler", p2i(addr), (int)(addr - code_begin())); 581 AdapterHandlerLibrary::print_handler_on(st, this); 582 } 583 // the stubroutines are generated into a buffer blob 584 StubCodeDesc* d = StubCodeDesc::desc_for(addr); 585 if (d != NULL) { 586 st->print_cr(INTPTR_FORMAT " is at begin+%d in a stub", p2i(addr), (int)(addr - d->begin())); 587 d->print_on(st); 588 st->cr(); 589 return; 590 } 591 if (StubRoutines::contains(addr)) { 592 st->print_cr(INTPTR_FORMAT " is pointing to an (unnamed) stub routine", p2i(addr)); 593 return; 594 } 595 // the InlineCacheBuffer is using stubs generated into a buffer blob 596 if (InlineCacheBuffer::contains(addr)) { 597 st->print_cr(INTPTR_FORMAT " is pointing into InlineCacheBuffer", p2i(addr)); 598 return; 599 } 600 VtableStub* v = VtableStubs::stub_containing(addr); 601 if (v != NULL) { 602 st->print_cr(INTPTR_FORMAT " is at entry_point+%d in a vtable stub", p2i(addr), (int)(addr - v->entry_point())); 603 v->print_on(st); 604 st->cr(); 605 return; 606 } 607 } 608 if (is_nmethod()) { 609 nmethod* nm = (nmethod*)this; 610 ResourceMark rm; 611 st->print(INTPTR_FORMAT " is at entry_point+%d in (nmethod*)" INTPTR_FORMAT, 612 p2i(addr), (int)(addr - nm->entry_point()), p2i(nm)); 613 if (verbose) { 614 st->print(" for "); 615 nm->method()->print_value_on(st); 616 } 617 st->cr(); 618 nm->print_nmethod(verbose); 619 return; 620 } 621 st->print_cr(INTPTR_FORMAT " is at code_begin+%d in ", p2i(addr), (int)(addr - code_begin())); 622 print_on(st); 623 } 624 625 void RuntimeBlob::verify() { 626 ShouldNotReachHere(); 627 } 628 629 void BufferBlob::verify() { 630 // unimplemented 631 } 632 633 void BufferBlob::print_on(outputStream* st) const { 634 RuntimeBlob::print_on(st); 635 print_value_on(st); 636 } 637 638 void BufferBlob::print_value_on(outputStream* st) const { 639 st->print_cr("BufferBlob (" INTPTR_FORMAT ") used for %s", p2i(this), name()); 640 } 641 642 void RuntimeStub::verify() { 643 // unimplemented 644 } 645 646 void RuntimeStub::print_on(outputStream* st) const { 647 ttyLocker ttyl; 648 RuntimeBlob::print_on(st); 649 st->print("Runtime Stub (" INTPTR_FORMAT "): ", p2i(this)); 650 st->print_cr("%s", name()); 651 Disassembler::decode((RuntimeBlob*)this, st); 652 } 653 654 void RuntimeStub::print_value_on(outputStream* st) const { 655 st->print("RuntimeStub (" INTPTR_FORMAT "): ", p2i(this)); st->print("%s", name()); 656 } 657 658 void SingletonBlob::verify() { 659 // unimplemented 660 } 661 662 void SingletonBlob::print_on(outputStream* st) const { 663 ttyLocker ttyl; 664 RuntimeBlob::print_on(st); 665 st->print_cr("%s", name()); 666 Disassembler::decode((RuntimeBlob*)this, st); 667 } 668 669 void SingletonBlob::print_value_on(outputStream* st) const { 670 st->print_cr("%s", name()); 671 } 672 673 void DeoptimizationBlob::print_value_on(outputStream* st) const { 674 st->print_cr("Deoptimization (frame not available)"); 675 }