codeBlob.cpp revision 1601:126ea7725993
117706Sjulian/* 217706Sjulian * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved. 317706Sjulian * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 417706Sjulian * 517706Sjulian * This code is free software; you can redistribute it and/or modify it 617706Sjulian * under the terms of the GNU General Public License version 2 only, as 717706Sjulian * published by the Free Software Foundation. 817706Sjulian * 917706Sjulian * This code is distributed in the hope that it will be useful, but WITHOUT 1017706Sjulian * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1117706Sjulian * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1217706Sjulian * version 2 for more details (a copy is included in the LICENSE file that 1317706Sjulian * accompanied this code). 1417706Sjulian * 1517706Sjulian * You should have received a copy of the GNU General Public License version 1617706Sjulian * 2 along with this work; if not, write to the Free Software Foundation, 1717706Sjulian * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 1817706Sjulian * 1917706Sjulian * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 2017706Sjulian * or visit www.oracle.com if you need additional information or have any 2117706Sjulian * questions. 2217706Sjulian * 2349439Sdeischen */ 2417706Sjulian 2517706Sjulian# include "incls/_precompiled.incl" 2617706Sjulian# include "incls/_codeBlob.cpp.incl" 2717706Sjulian 2817706Sjulianunsigned int align_code_offset(int offset) { 2917706Sjulian // align the size to CodeEntryAlignment 3017706Sjulian return 3117706Sjulian ((offset + (int)CodeHeap::header_size() + (CodeEntryAlignment-1)) & ~(CodeEntryAlignment-1)) 3250476Speter - (int)CodeHeap::header_size(); 3317706Sjulian} 3417706Sjulian 3517706Sjulian 3617706Sjulian// This must be consistent with the CodeBlob constructor's layout actions. 3717706Sjulianunsigned int CodeBlob::allocation_size(CodeBuffer* cb, int header_size) { 3871581Sdeischen unsigned int size = header_size; 3971581Sdeischen size += round_to(cb->total_relocation_size(), oopSize); 4035509Sjb // align the size to CodeEntryAlignment 4117706Sjulian size = align_code_offset(size); 4271581Sdeischen size += round_to(cb->total_code_size(), oopSize); 4317706Sjulian size += round_to(cb->total_oop_size(), oopSize); 4461681Sjasone return size; 4561681Sjasone} 4635509Sjb 4735509Sjb 4835509Sjb// Creates a simple CodeBlob. Sets up the size of the different regions. 4958094SdeischenCodeBlob::CodeBlob(const char* name, int header_size, int size, int frame_complete, int locs_size) { 5061681Sjasone assert(size == round_to(size, oopSize), "unaligned size"); 5161681Sjasone assert(locs_size == round_to(locs_size, oopSize), "unaligned size"); 5258094Sdeischen assert(header_size == round_to(header_size, oopSize), "unaligned size"); 5358094Sdeischen assert(!UseRelocIndex, "no space allocated for reloc index yet"); 5458094Sdeischen 5544963Sjb // Note: If UseRelocIndex is enabled, there needs to be (at least) one 5648046Sjb // extra word for the relocation information, containing the reloc 5748046Sjb // index table length. Unfortunately, the reloc index table imple- 5844963Sjb // mentation is not easily understandable and thus it is not clear 5948046Sjb // what exactly the format is supposed to be. For now, we just turn 6044963Sjb // off the use of this table (gri 7/6/2000). 6161681Sjasone 6261681Sjasone _name = name; 6361681Sjasone _size = size; 6461681Sjasone _frame_complete_offset = frame_complete; 6561681Sjasone _header_size = header_size; 6661681Sjasone _relocation_size = locs_size; 6761681Sjasone _instructions_offset = align_code_offset(header_size + locs_size); 6861681Sjasone _data_offset = size; 6961681Sjasone _frame_size = 0; 7061681Sjasone set_oop_maps(NULL); 7161681Sjasone} 7261681Sjasone 7361681Sjasone 7461681Sjasone// Creates a CodeBlob from a CodeBuffer. Sets up the size of the different regions, 7561681Sjasone// and copy code and relocation info. 7661681SjasoneCodeBlob::CodeBlob( 7761681Sjasone const char* name, 7861681Sjasone CodeBuffer* cb, 7961681Sjasone int header_size, 8061681Sjasone int size, 8161681Sjasone int frame_complete, 8261681Sjasone int frame_size, 8344963Sjb OopMapSet* oop_maps 8444963Sjb) { 8548046Sjb assert(size == round_to(size, oopSize), "unaligned size"); 8648046Sjb assert(header_size == round_to(header_size, oopSize), "unaligned size"); 8744963Sjb 8848046Sjb _name = name; 8917706Sjulian _size = size; 9017706Sjulian _frame_complete_offset = frame_complete; 9117706Sjulian _header_size = header_size; 9217706Sjulian _relocation_size = round_to(cb->total_relocation_size(), oopSize); 93 _instructions_offset = align_code_offset(header_size + _relocation_size); 94 _data_offset = _instructions_offset + round_to(cb->total_code_size(), oopSize); 95 assert(_data_offset <= size, "codeBlob is too small"); 96 97 cb->copy_code_and_locs_to(this); 98 set_oop_maps(oop_maps); 99 _frame_size = frame_size; 100#ifdef COMPILER1 101 // probably wrong for tiered 102 assert(_frame_size >= -1, "must use frame size or -1 for runtime stubs"); 103#endif // COMPILER1 104} 105 106 107void CodeBlob::set_oop_maps(OopMapSet* p) { 108 // Danger Will Robinson! This method allocates a big 109 // chunk of memory, its your job to free it. 110 if (p != NULL) { 111 // We need to allocate a chunk big enough to hold the OopMapSet and all of its OopMaps 112 _oop_maps = (OopMapSet* )NEW_C_HEAP_ARRAY(unsigned char, p->heap_size()); 113 p->copy_to((address)_oop_maps); 114 } else { 115 _oop_maps = NULL; 116 } 117} 118 119 120void CodeBlob::flush() { 121 if (_oop_maps) { 122 FREE_C_HEAP_ARRAY(unsigned char, _oop_maps); 123 _oop_maps = NULL; 124 } 125 _comments.free(); 126} 127 128 129OopMap* CodeBlob::oop_map_for_return_address(address return_address) { 130 address pc = return_address ; 131 assert (oop_maps() != NULL, "nope"); 132 return oop_maps()->find_map_at_offset ((intptr_t) pc - (intptr_t) instructions_begin()); 133} 134 135 136//---------------------------------------------------------------------------------------------------- 137// Implementation of BufferBlob 138 139 140BufferBlob::BufferBlob(const char* name, int size) 141: CodeBlob(name, sizeof(BufferBlob), size, CodeOffsets::frame_never_safe, /*locs_size:*/ 0) 142{} 143 144BufferBlob* BufferBlob::create(const char* name, int buffer_size) { 145 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock 146 147 BufferBlob* blob = NULL; 148 unsigned int size = sizeof(BufferBlob); 149 // align the size to CodeEntryAlignment 150 size = align_code_offset(size); 151 size += round_to(buffer_size, oopSize); 152 assert(name != NULL, "must provide a name"); 153 { 154 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); 155 blob = new (size) BufferBlob(name, size); 156 } 157 // Track memory usage statistic after releasing CodeCache_lock 158 MemoryService::track_code_cache_memory_usage(); 159 160 return blob; 161} 162 163 164BufferBlob::BufferBlob(const char* name, int size, CodeBuffer* cb) 165 : CodeBlob(name, cb, sizeof(BufferBlob), size, CodeOffsets::frame_never_safe, 0, NULL) 166{} 167 168BufferBlob* BufferBlob::create(const char* name, CodeBuffer* cb) { 169 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock 170 171 BufferBlob* blob = NULL; 172 unsigned int size = allocation_size(cb, sizeof(BufferBlob)); 173 assert(name != NULL, "must provide a name"); 174 { 175 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); 176 blob = new (size) BufferBlob(name, size, cb); 177 } 178 // Track memory usage statistic after releasing CodeCache_lock 179 MemoryService::track_code_cache_memory_usage(); 180 181 return blob; 182} 183 184 185void* BufferBlob::operator new(size_t s, unsigned size) { 186 void* p = CodeCache::allocate(size); 187 return p; 188} 189 190 191void BufferBlob::free( BufferBlob *blob ) { 192 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock 193 { 194 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); 195 CodeCache::free((CodeBlob*)blob); 196 } 197 // Track memory usage statistic after releasing CodeCache_lock 198 MemoryService::track_code_cache_memory_usage(); 199} 200 201 202//---------------------------------------------------------------------------------------------------- 203// Implementation of AdapterBlob 204 205AdapterBlob::AdapterBlob(int size, CodeBuffer* cb) : 206 BufferBlob("I2C/C2I adapters", size, cb) { 207 CodeCache::commit(this); 208} 209 210AdapterBlob* AdapterBlob::create(CodeBuffer* cb) { 211 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock 212 213 AdapterBlob* blob = NULL; 214 unsigned int size = allocation_size(cb, sizeof(AdapterBlob)); 215 { 216 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); 217 blob = new (size) AdapterBlob(size, cb); 218 } 219 // Track memory usage statistic after releasing CodeCache_lock 220 MemoryService::track_code_cache_memory_usage(); 221 222 return blob; 223} 224 225 226//---------------------------------------------------------------------------------------------------- 227// Implementation of MethodHandlesAdapterBlob 228 229MethodHandlesAdapterBlob* MethodHandlesAdapterBlob::create(int buffer_size) { 230 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock 231 232 MethodHandlesAdapterBlob* blob = NULL; 233 unsigned int size = sizeof(MethodHandlesAdapterBlob); 234 // align the size to CodeEntryAlignment 235 size = align_code_offset(size); 236 size += round_to(buffer_size, oopSize); 237 { 238 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); 239 blob = new (size) MethodHandlesAdapterBlob(size); 240 } 241 // Track memory usage statistic after releasing CodeCache_lock 242 MemoryService::track_code_cache_memory_usage(); 243 244 return blob; 245} 246 247 248//---------------------------------------------------------------------------------------------------- 249// Implementation of RuntimeStub 250 251RuntimeStub::RuntimeStub( 252 const char* name, 253 CodeBuffer* cb, 254 int size, 255 int frame_complete, 256 int frame_size, 257 OopMapSet* oop_maps, 258 bool caller_must_gc_arguments 259) 260: CodeBlob(name, cb, sizeof(RuntimeStub), size, frame_complete, frame_size, oop_maps) 261{ 262 _caller_must_gc_arguments = caller_must_gc_arguments; 263} 264 265 266RuntimeStub* RuntimeStub::new_runtime_stub(const char* stub_name, 267 CodeBuffer* cb, 268 int frame_complete, 269 int frame_size, 270 OopMapSet* oop_maps, 271 bool caller_must_gc_arguments) 272{ 273 RuntimeStub* stub = NULL; 274 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock 275 { 276 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); 277 unsigned int size = allocation_size(cb, sizeof(RuntimeStub)); 278 stub = new (size) RuntimeStub(stub_name, cb, size, frame_complete, frame_size, oop_maps, caller_must_gc_arguments); 279 } 280 281 // Do not hold the CodeCache lock during name formatting. 282 if (stub != NULL) { 283 char stub_id[256]; 284 jio_snprintf(stub_id, sizeof(stub_id), "RuntimeStub - %s", stub_name); 285 if (PrintStubCode) { 286 tty->print_cr("Decoding %s " INTPTR_FORMAT, stub_id, stub); 287 Disassembler::decode(stub->instructions_begin(), stub->instructions_end()); 288 } 289 Forte::register_stub(stub_id, stub->instructions_begin(), stub->instructions_end()); 290 291 if (JvmtiExport::should_post_dynamic_code_generated()) { 292 JvmtiExport::post_dynamic_code_generated(stub_name, stub->instructions_begin(), stub->instructions_end()); 293 } 294 } 295 296 // Track memory usage statistic after releasing CodeCache_lock 297 MemoryService::track_code_cache_memory_usage(); 298 299 return stub; 300} 301 302 303void* RuntimeStub::operator new(size_t s, unsigned size) { 304 void* p = CodeCache::allocate(size); 305 if (!p) fatal("Initial size of CodeCache is too small"); 306 return p; 307} 308 309 310//---------------------------------------------------------------------------------------------------- 311// Implementation of DeoptimizationBlob 312 313DeoptimizationBlob::DeoptimizationBlob( 314 CodeBuffer* cb, 315 int size, 316 OopMapSet* oop_maps, 317 int unpack_offset, 318 int unpack_with_exception_offset, 319 int unpack_with_reexecution_offset, 320 int frame_size 321) 322: SingletonBlob("DeoptimizationBlob", cb, sizeof(DeoptimizationBlob), size, frame_size, oop_maps) 323{ 324 _unpack_offset = unpack_offset; 325 _unpack_with_exception = unpack_with_exception_offset; 326 _unpack_with_reexecution = unpack_with_reexecution_offset; 327#ifdef COMPILER1 328 _unpack_with_exception_in_tls = -1; 329#endif 330} 331 332 333DeoptimizationBlob* DeoptimizationBlob::create( 334 CodeBuffer* cb, 335 OopMapSet* oop_maps, 336 int unpack_offset, 337 int unpack_with_exception_offset, 338 int unpack_with_reexecution_offset, 339 int frame_size) 340{ 341 DeoptimizationBlob* blob = NULL; 342 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock 343 { 344 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); 345 unsigned int size = allocation_size(cb, sizeof(DeoptimizationBlob)); 346 blob = new (size) DeoptimizationBlob(cb, 347 size, 348 oop_maps, 349 unpack_offset, 350 unpack_with_exception_offset, 351 unpack_with_reexecution_offset, 352 frame_size); 353 } 354 355 // Do not hold the CodeCache lock during name formatting. 356 if (blob != NULL) { 357 char blob_id[256]; 358 jio_snprintf(blob_id, sizeof(blob_id), "DeoptimizationBlob@" PTR_FORMAT, blob->instructions_begin()); 359 if (PrintStubCode) { 360 tty->print_cr("Decoding %s " INTPTR_FORMAT, blob_id, blob); 361 Disassembler::decode(blob->instructions_begin(), blob->instructions_end()); 362 } 363 Forte::register_stub(blob_id, blob->instructions_begin(), blob->instructions_end()); 364 365 if (JvmtiExport::should_post_dynamic_code_generated()) { 366 JvmtiExport::post_dynamic_code_generated("DeoptimizationBlob", 367 blob->instructions_begin(), 368 blob->instructions_end()); 369 } 370 } 371 372 // Track memory usage statistic after releasing CodeCache_lock 373 MemoryService::track_code_cache_memory_usage(); 374 375 return blob; 376} 377 378 379void* DeoptimizationBlob::operator new(size_t s, unsigned size) { 380 void* p = CodeCache::allocate(size); 381 if (!p) fatal("Initial size of CodeCache is too small"); 382 return p; 383} 384 385//---------------------------------------------------------------------------------------------------- 386// Implementation of UncommonTrapBlob 387 388#ifdef COMPILER2 389UncommonTrapBlob::UncommonTrapBlob( 390 CodeBuffer* cb, 391 int size, 392 OopMapSet* oop_maps, 393 int frame_size 394) 395: SingletonBlob("UncommonTrapBlob", cb, sizeof(UncommonTrapBlob), size, frame_size, oop_maps) 396{} 397 398 399UncommonTrapBlob* UncommonTrapBlob::create( 400 CodeBuffer* cb, 401 OopMapSet* oop_maps, 402 int frame_size) 403{ 404 UncommonTrapBlob* blob = NULL; 405 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock 406 { 407 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); 408 unsigned int size = allocation_size(cb, sizeof(UncommonTrapBlob)); 409 blob = new (size) UncommonTrapBlob(cb, size, oop_maps, frame_size); 410 } 411 412 // Do not hold the CodeCache lock during name formatting. 413 if (blob != NULL) { 414 char blob_id[256]; 415 jio_snprintf(blob_id, sizeof(blob_id), "UncommonTrapBlob@" PTR_FORMAT, blob->instructions_begin()); 416 if (PrintStubCode) { 417 tty->print_cr("Decoding %s " INTPTR_FORMAT, blob_id, blob); 418 Disassembler::decode(blob->instructions_begin(), blob->instructions_end()); 419 } 420 Forte::register_stub(blob_id, blob->instructions_begin(), blob->instructions_end()); 421 422 if (JvmtiExport::should_post_dynamic_code_generated()) { 423 JvmtiExport::post_dynamic_code_generated("UncommonTrapBlob", 424 blob->instructions_begin(), 425 blob->instructions_end()); 426 } 427 } 428 429 // Track memory usage statistic after releasing CodeCache_lock 430 MemoryService::track_code_cache_memory_usage(); 431 432 return blob; 433} 434 435 436void* UncommonTrapBlob::operator new(size_t s, unsigned size) { 437 void* p = CodeCache::allocate(size); 438 if (!p) fatal("Initial size of CodeCache is too small"); 439 return p; 440} 441#endif // COMPILER2 442 443 444//---------------------------------------------------------------------------------------------------- 445// Implementation of ExceptionBlob 446 447#ifdef COMPILER2 448ExceptionBlob::ExceptionBlob( 449 CodeBuffer* cb, 450 int size, 451 OopMapSet* oop_maps, 452 int frame_size 453) 454: SingletonBlob("ExceptionBlob", cb, sizeof(ExceptionBlob), size, frame_size, oop_maps) 455{} 456 457 458ExceptionBlob* ExceptionBlob::create( 459 CodeBuffer* cb, 460 OopMapSet* oop_maps, 461 int frame_size) 462{ 463 ExceptionBlob* blob = NULL; 464 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock 465 { 466 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); 467 unsigned int size = allocation_size(cb, sizeof(ExceptionBlob)); 468 blob = new (size) ExceptionBlob(cb, size, oop_maps, frame_size); 469 } 470 471 // We do not need to hold the CodeCache lock during name formatting 472 if (blob != NULL) { 473 char blob_id[256]; 474 jio_snprintf(blob_id, sizeof(blob_id), "ExceptionBlob@" PTR_FORMAT, blob->instructions_begin()); 475 if (PrintStubCode) { 476 tty->print_cr("Decoding %s " INTPTR_FORMAT, blob_id, blob); 477 Disassembler::decode(blob->instructions_begin(), blob->instructions_end()); 478 } 479 Forte::register_stub(blob_id, blob->instructions_begin(), blob->instructions_end()); 480 481 if (JvmtiExport::should_post_dynamic_code_generated()) { 482 JvmtiExport::post_dynamic_code_generated("ExceptionBlob", 483 blob->instructions_begin(), 484 blob->instructions_end()); 485 } 486 } 487 488 // Track memory usage statistic after releasing CodeCache_lock 489 MemoryService::track_code_cache_memory_usage(); 490 491 return blob; 492} 493 494 495void* ExceptionBlob::operator new(size_t s, unsigned size) { 496 void* p = CodeCache::allocate(size); 497 if (!p) fatal("Initial size of CodeCache is too small"); 498 return p; 499} 500#endif // COMPILER2 501 502 503//---------------------------------------------------------------------------------------------------- 504// Implementation of SafepointBlob 505 506SafepointBlob::SafepointBlob( 507 CodeBuffer* cb, 508 int size, 509 OopMapSet* oop_maps, 510 int frame_size 511) 512: SingletonBlob("SafepointBlob", cb, sizeof(SafepointBlob), size, frame_size, oop_maps) 513{} 514 515 516SafepointBlob* SafepointBlob::create( 517 CodeBuffer* cb, 518 OopMapSet* oop_maps, 519 int frame_size) 520{ 521 SafepointBlob* blob = NULL; 522 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock 523 { 524 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); 525 unsigned int size = allocation_size(cb, sizeof(SafepointBlob)); 526 blob = new (size) SafepointBlob(cb, size, oop_maps, frame_size); 527 } 528 529 // We do not need to hold the CodeCache lock during name formatting. 530 if (blob != NULL) { 531 char blob_id[256]; 532 jio_snprintf(blob_id, sizeof(blob_id), "SafepointBlob@" PTR_FORMAT, blob->instructions_begin()); 533 if (PrintStubCode) { 534 tty->print_cr("Decoding %s " INTPTR_FORMAT, blob_id, blob); 535 Disassembler::decode(blob->instructions_begin(), blob->instructions_end()); 536 } 537 Forte::register_stub(blob_id, blob->instructions_begin(), blob->instructions_end()); 538 539 if (JvmtiExport::should_post_dynamic_code_generated()) { 540 JvmtiExport::post_dynamic_code_generated("SafepointBlob", 541 blob->instructions_begin(), 542 blob->instructions_end()); 543 } 544 } 545 546 // Track memory usage statistic after releasing CodeCache_lock 547 MemoryService::track_code_cache_memory_usage(); 548 549 return blob; 550} 551 552 553void* SafepointBlob::operator new(size_t s, unsigned size) { 554 void* p = CodeCache::allocate(size); 555 if (!p) fatal("Initial size of CodeCache is too small"); 556 return p; 557} 558 559 560//---------------------------------------------------------------------------------------------------- 561// Verification and printing 562 563void CodeBlob::verify() { 564 ShouldNotReachHere(); 565} 566 567void CodeBlob::print_on(outputStream* st) const { 568 st->print_cr("[CodeBlob (" INTPTR_FORMAT ")]", this); 569 st->print_cr("Framesize: %d", _frame_size); 570} 571 572void CodeBlob::print_value_on(outputStream* st) const { 573 st->print_cr("[CodeBlob]"); 574} 575 576void BufferBlob::verify() { 577 // unimplemented 578} 579 580void BufferBlob::print_on(outputStream* st) const { 581 CodeBlob::print_on(st); 582 print_value_on(st); 583} 584 585void BufferBlob::print_value_on(outputStream* st) const { 586 st->print_cr("BufferBlob (" INTPTR_FORMAT ") used for %s", this, name()); 587} 588 589void RuntimeStub::verify() { 590 // unimplemented 591} 592 593void RuntimeStub::print_on(outputStream* st) const { 594 CodeBlob::print_on(st); 595 st->print("Runtime Stub (" INTPTR_FORMAT "): ", this); 596 st->print_cr(name()); 597 Disassembler::decode((CodeBlob*)this, st); 598} 599 600void RuntimeStub::print_value_on(outputStream* st) const { 601 st->print("RuntimeStub (" INTPTR_FORMAT "): ", this); st->print(name()); 602} 603 604void SingletonBlob::verify() { 605 // unimplemented 606} 607 608void SingletonBlob::print_on(outputStream* st) const { 609 CodeBlob::print_on(st); 610 st->print_cr(name()); 611 Disassembler::decode((CodeBlob*)this, st); 612} 613 614void SingletonBlob::print_value_on(outputStream* st) const { 615 st->print_cr(name()); 616} 617 618void DeoptimizationBlob::print_value_on(outputStream* st) const { 619 st->print_cr("Deoptimization (frame not available)"); 620} 621