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comparison src/share/vm/code/codeBlob.cpp @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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-1:000000000000 0:a61af66fc99e
1 /*
2 * Copyright 1998-2007 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 # include "incls/_precompiled.incl"
26 # include "incls/_codeBlob.cpp.incl"
27
28 unsigned int align_code_offset(int offset) {
29 // align the size to CodeEntryAlignment
30 return
31 ((offset + (int)CodeHeap::header_size() + (CodeEntryAlignment-1)) & ~(CodeEntryAlignment-1))
32 - (int)CodeHeap::header_size();
33 }
34
35
36 // This must be consistent with the CodeBlob constructor's layout actions.
37 unsigned int CodeBlob::allocation_size(CodeBuffer* cb, int header_size) {
38 unsigned int size = header_size;
39 size += round_to(cb->total_relocation_size(), oopSize);
40 // align the size to CodeEntryAlignment
41 size = align_code_offset(size);
42 size += round_to(cb->total_code_size(), oopSize);
43 size += round_to(cb->total_oop_size(), oopSize);
44 return size;
45 }
46
47
48 // Creates a simple CodeBlob. Sets up the size of the different regions.
49 CodeBlob::CodeBlob(const char* name, int header_size, int size, int frame_complete, int locs_size) {
50 assert(size == round_to(size, oopSize), "unaligned size");
51 assert(locs_size == round_to(locs_size, oopSize), "unaligned size");
52 assert(header_size == round_to(header_size, oopSize), "unaligned size");
53 assert(!UseRelocIndex, "no space allocated for reloc index yet");
54
55 // Note: If UseRelocIndex is enabled, there needs to be (at least) one
56 // extra word for the relocation information, containing the reloc
57 // index table length. Unfortunately, the reloc index table imple-
58 // mentation is not easily understandable and thus it is not clear
59 // what exactly the format is supposed to be. For now, we just turn
60 // off the use of this table (gri 7/6/2000).
61
62 _name = name;
63 _size = size;
64 _frame_complete_offset = frame_complete;
65 _header_size = header_size;
66 _relocation_size = locs_size;
67 _instructions_offset = align_code_offset(header_size + locs_size);
68 _data_offset = size;
69 _oops_offset = size;
70 _oops_length = 0;
71 _frame_size = 0;
72 set_oop_maps(NULL);
73 }
74
75
76 // Creates a CodeBlob from a CodeBuffer. Sets up the size of the different regions,
77 // and copy code and relocation info.
78 CodeBlob::CodeBlob(
79 const char* name,
80 CodeBuffer* cb,
81 int header_size,
82 int size,
83 int frame_complete,
84 int frame_size,
85 OopMapSet* oop_maps
86 ) {
87 assert(size == round_to(size, oopSize), "unaligned size");
88 assert(header_size == round_to(header_size, oopSize), "unaligned size");
89
90 _name = name;
91 _size = size;
92 _frame_complete_offset = frame_complete;
93 _header_size = header_size;
94 _relocation_size = round_to(cb->total_relocation_size(), oopSize);
95 _instructions_offset = align_code_offset(header_size + _relocation_size);
96 _data_offset = _instructions_offset + round_to(cb->total_code_size(), oopSize);
97 _oops_offset = _size - round_to(cb->total_oop_size(), oopSize);
98 _oops_length = 0; // temporary, until the copy_oops handshake
99 assert(_oops_offset >= _data_offset, "codeBlob is too small");
100 assert(_data_offset <= size, "codeBlob is too small");
101
102 cb->copy_code_and_locs_to(this);
103 set_oop_maps(oop_maps);
104 _frame_size = frame_size;
105 #ifdef COMPILER1
106 // probably wrong for tiered
107 assert(_frame_size >= -1, "must use frame size or -1 for runtime stubs");
108 #endif // COMPILER1
109 }
110
111
112 void CodeBlob::set_oop_maps(OopMapSet* p) {
113 // Danger Will Robinson! This method allocates a big
114 // chunk of memory, its your job to free it.
115 if (p != NULL) {
116 // We need to allocate a chunk big enough to hold the OopMapSet and all of its OopMaps
117 _oop_maps = (OopMapSet* )NEW_C_HEAP_ARRAY(unsigned char, p->heap_size());
118 p->copy_to((address)_oop_maps);
119 } else {
120 _oop_maps = NULL;
121 }
122 }
123
124
125 void CodeBlob::flush() {
126 if (_oop_maps) {
127 FREE_C_HEAP_ARRAY(unsigned char, _oop_maps);
128 _oop_maps = NULL;
129 }
130 _comments.free();
131 }
132
133
134 // Promote one word from an assembly-time handle to a live embedded oop.
135 inline void CodeBlob::initialize_immediate_oop(oop* dest, jobject handle) {
136 if (handle == NULL ||
137 // As a special case, IC oops are initialized to 1 or -1.
138 handle == (jobject) Universe::non_oop_word()) {
139 (*dest) = (oop)handle;
140 } else {
141 (*dest) = JNIHandles::resolve_non_null(handle);
142 }
143 }
144
145
146 void CodeBlob::copy_oops(GrowableArray<jobject>* array) {
147 assert(_oops_length == 0, "do this handshake just once, please");
148 int length = array->length();
149 assert((address)(oops_begin() + length) <= data_end(), "oops big enough");
150 oop* dest = oops_begin();
151 for (int index = 0 ; index < length; index++) {
152 initialize_immediate_oop(&dest[index], array->at(index));
153 }
154 _oops_length = length;
155
156 // Now we can fix up all the oops in the code.
157 // We need to do this in the code because
158 // the assembler uses jobjects as placeholders.
159 // The code and relocations have already been
160 // initialized by the CodeBlob constructor,
161 // so it is valid even at this early point to
162 // iterate over relocations and patch the code.
163 fix_oop_relocations(NULL, NULL, /*initialize_immediates=*/ true);
164 }
165
166
167 relocInfo::relocType CodeBlob::reloc_type_for_address(address pc) {
168 RelocIterator iter(this, pc, pc+1);
169 while (iter.next()) {
170 return (relocInfo::relocType) iter.type();
171 }
172 // No relocation info found for pc
173 ShouldNotReachHere();
174 return relocInfo::none; // dummy return value
175 }
176
177
178 bool CodeBlob::is_at_poll_return(address pc) {
179 RelocIterator iter(this, pc, pc+1);
180 while (iter.next()) {
181 if (iter.type() == relocInfo::poll_return_type)
182 return true;
183 }
184 return false;
185 }
186
187
188 bool CodeBlob::is_at_poll_or_poll_return(address pc) {
189 RelocIterator iter(this, pc, pc+1);
190 while (iter.next()) {
191 relocInfo::relocType t = iter.type();
192 if (t == relocInfo::poll_return_type || t == relocInfo::poll_type)
193 return true;
194 }
195 return false;
196 }
197
198
199 void CodeBlob::fix_oop_relocations(address begin, address end,
200 bool initialize_immediates) {
201 // re-patch all oop-bearing instructions, just in case some oops moved
202 RelocIterator iter(this, begin, end);
203 while (iter.next()) {
204 if (iter.type() == relocInfo::oop_type) {
205 oop_Relocation* reloc = iter.oop_reloc();
206 if (initialize_immediates && reloc->oop_is_immediate()) {
207 oop* dest = reloc->oop_addr();
208 initialize_immediate_oop(dest, (jobject) *dest);
209 }
210 // Refresh the oop-related bits of this instruction.
211 reloc->fix_oop_relocation();
212 }
213
214 // There must not be any interfering patches or breakpoints.
215 assert(!(iter.type() == relocInfo::breakpoint_type
216 && iter.breakpoint_reloc()->active()),
217 "no active breakpoint");
218 }
219 }
220
221 void CodeBlob::do_unloading(BoolObjectClosure* is_alive,
222 OopClosure* keep_alive,
223 bool unloading_occurred) {
224 ShouldNotReachHere();
225 }
226
227 OopMap* CodeBlob::oop_map_for_return_address(address return_address) {
228 address pc = return_address ;
229 assert (oop_maps() != NULL, "nope");
230 return oop_maps()->find_map_at_offset ((intptr_t) pc - (intptr_t) instructions_begin());
231 }
232
233
234 //----------------------------------------------------------------------------------------------------
235 // Implementation of BufferBlob
236
237
238 BufferBlob::BufferBlob(const char* name, int size)
239 : CodeBlob(name, sizeof(BufferBlob), size, CodeOffsets::frame_never_safe, /*locs_size:*/ 0)
240 {}
241
242 BufferBlob* BufferBlob::create(const char* name, int buffer_size) {
243 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
244
245 BufferBlob* blob = NULL;
246 unsigned int size = sizeof(BufferBlob);
247 // align the size to CodeEntryAlignment
248 size = align_code_offset(size);
249 size += round_to(buffer_size, oopSize);
250 assert(name != NULL, "must provide a name");
251 {
252
253 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
254 blob = new (size) BufferBlob(name, size);
255 }
256 // Track memory usage statistic after releasing CodeCache_lock
257 MemoryService::track_code_cache_memory_usage();
258
259 return blob;
260 }
261
262
263 BufferBlob::BufferBlob(const char* name, int size, CodeBuffer* cb)
264 : CodeBlob(name, cb, sizeof(BufferBlob), size, CodeOffsets::frame_never_safe, 0, NULL)
265 {}
266
267 BufferBlob* BufferBlob::create(const char* name, CodeBuffer* cb) {
268 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
269
270 BufferBlob* blob = NULL;
271 unsigned int size = allocation_size(cb, sizeof(BufferBlob));
272 assert(name != NULL, "must provide a name");
273 {
274
275 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
276 blob = new (size) BufferBlob(name, size, cb);
277 }
278 // Track memory usage statistic after releasing CodeCache_lock
279 MemoryService::track_code_cache_memory_usage();
280
281 return blob;
282 }
283
284
285 void* BufferBlob::operator new(size_t s, unsigned size) {
286 void* p = CodeCache::allocate(size);
287 return p;
288 }
289
290
291 void BufferBlob::free( BufferBlob *blob ) {
292 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
293 {
294 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
295 CodeCache::free((CodeBlob*)blob);
296 }
297 // Track memory usage statistic after releasing CodeCache_lock
298 MemoryService::track_code_cache_memory_usage();
299 }
300
301 bool BufferBlob::is_adapter_blob() const {
302 return (strcmp(AdapterHandlerEntry::name, name()) == 0);
303 }
304
305 //----------------------------------------------------------------------------------------------------
306 // Implementation of RuntimeStub
307
308 RuntimeStub::RuntimeStub(
309 const char* name,
310 CodeBuffer* cb,
311 int size,
312 int frame_complete,
313 int frame_size,
314 OopMapSet* oop_maps,
315 bool caller_must_gc_arguments
316 )
317 : CodeBlob(name, cb, sizeof(RuntimeStub), size, frame_complete, frame_size, oop_maps)
318 {
319 _caller_must_gc_arguments = caller_must_gc_arguments;
320 }
321
322
323 RuntimeStub* RuntimeStub::new_runtime_stub(const char* stub_name,
324 CodeBuffer* cb,
325 int frame_complete,
326 int frame_size,
327 OopMapSet* oop_maps,
328 bool caller_must_gc_arguments)
329 {
330 RuntimeStub* stub = NULL;
331 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
332 {
333 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
334 unsigned int size = allocation_size(cb, sizeof(RuntimeStub));
335 stub = new (size) RuntimeStub(stub_name, cb, size, frame_complete, frame_size, oop_maps, caller_must_gc_arguments);
336 }
337
338 // Do not hold the CodeCache lock during name formatting.
339 if (stub != NULL) {
340 char stub_id[256];
341 jio_snprintf(stub_id, sizeof(stub_id), "RuntimeStub - %s", stub_name);
342 if (PrintStubCode) {
343 tty->print_cr("Decoding %s " INTPTR_FORMAT, stub_id, stub);
344 Disassembler::decode(stub->instructions_begin(), stub->instructions_end());
345 }
346 VTune::register_stub(stub_id, stub->instructions_begin(), stub->instructions_end());
347 Forte::register_stub(stub_id, stub->instructions_begin(), stub->instructions_end());
348
349 if (JvmtiExport::should_post_dynamic_code_generated()) {
350 JvmtiExport::post_dynamic_code_generated(stub_name, stub->instructions_begin(), stub->instructions_end());
351 }
352 }
353
354 // Track memory usage statistic after releasing CodeCache_lock
355 MemoryService::track_code_cache_memory_usage();
356
357 return stub;
358 }
359
360
361 void* RuntimeStub::operator new(size_t s, unsigned size) {
362 void* p = CodeCache::allocate(size);
363 if (!p) fatal("Initial size of CodeCache is too small");
364 return p;
365 }
366
367
368 //----------------------------------------------------------------------------------------------------
369 // Implementation of DeoptimizationBlob
370
371 DeoptimizationBlob::DeoptimizationBlob(
372 CodeBuffer* cb,
373 int size,
374 OopMapSet* oop_maps,
375 int unpack_offset,
376 int unpack_with_exception_offset,
377 int unpack_with_reexecution_offset,
378 int frame_size
379 )
380 : SingletonBlob("DeoptimizationBlob", cb, sizeof(DeoptimizationBlob), size, frame_size, oop_maps)
381 {
382 _unpack_offset = unpack_offset;
383 _unpack_with_exception = unpack_with_exception_offset;
384 _unpack_with_reexecution = unpack_with_reexecution_offset;
385 #ifdef COMPILER1
386 _unpack_with_exception_in_tls = -1;
387 #endif
388 }
389
390
391 DeoptimizationBlob* DeoptimizationBlob::create(
392 CodeBuffer* cb,
393 OopMapSet* oop_maps,
394 int unpack_offset,
395 int unpack_with_exception_offset,
396 int unpack_with_reexecution_offset,
397 int frame_size)
398 {
399 DeoptimizationBlob* blob = NULL;
400 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
401 {
402 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
403 unsigned int size = allocation_size(cb, sizeof(DeoptimizationBlob));
404 blob = new (size) DeoptimizationBlob(cb,
405 size,
406 oop_maps,
407 unpack_offset,
408 unpack_with_exception_offset,
409 unpack_with_reexecution_offset,
410 frame_size);
411 }
412
413 // Do not hold the CodeCache lock during name formatting.
414 if (blob != NULL) {
415 char blob_id[256];
416 jio_snprintf(blob_id, sizeof(blob_id), "DeoptimizationBlob@" PTR_FORMAT, blob->instructions_begin());
417 if (PrintStubCode) {
418 tty->print_cr("Decoding %s " INTPTR_FORMAT, blob_id, blob);
419 Disassembler::decode(blob->instructions_begin(), blob->instructions_end());
420 }
421 VTune::register_stub(blob_id, blob->instructions_begin(), blob->instructions_end());
422 Forte::register_stub(blob_id, blob->instructions_begin(), blob->instructions_end());
423
424 if (JvmtiExport::should_post_dynamic_code_generated()) {
425 JvmtiExport::post_dynamic_code_generated("DeoptimizationBlob",
426 blob->instructions_begin(),
427 blob->instructions_end());
428 }
429 }
430
431 // Track memory usage statistic after releasing CodeCache_lock
432 MemoryService::track_code_cache_memory_usage();
433
434 return blob;
435 }
436
437
438 void* DeoptimizationBlob::operator new(size_t s, unsigned size) {
439 void* p = CodeCache::allocate(size);
440 if (!p) fatal("Initial size of CodeCache is too small");
441 return p;
442 }
443
444 //----------------------------------------------------------------------------------------------------
445 // Implementation of UncommonTrapBlob
446
447 #ifdef COMPILER2
448 UncommonTrapBlob::UncommonTrapBlob(
449 CodeBuffer* cb,
450 int size,
451 OopMapSet* oop_maps,
452 int frame_size
453 )
454 : SingletonBlob("UncommonTrapBlob", cb, sizeof(UncommonTrapBlob), size, frame_size, oop_maps)
455 {}
456
457
458 UncommonTrapBlob* UncommonTrapBlob::create(
459 CodeBuffer* cb,
460 OopMapSet* oop_maps,
461 int frame_size)
462 {
463 UncommonTrapBlob* 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(UncommonTrapBlob));
468 blob = new (size) UncommonTrapBlob(cb, size, oop_maps, frame_size);
469 }
470
471 // Do not hold the CodeCache lock during name formatting.
472 if (blob != NULL) {
473 char blob_id[256];
474 jio_snprintf(blob_id, sizeof(blob_id), "UncommonTrapBlob@" 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 VTune::register_stub(blob_id, blob->instructions_begin(), blob->instructions_end());
480 Forte::register_stub(blob_id, blob->instructions_begin(), blob->instructions_end());
481
482 if (JvmtiExport::should_post_dynamic_code_generated()) {
483 JvmtiExport::post_dynamic_code_generated("UncommonTrapBlob",
484 blob->instructions_begin(),
485 blob->instructions_end());
486 }
487 }
488
489 // Track memory usage statistic after releasing CodeCache_lock
490 MemoryService::track_code_cache_memory_usage();
491
492 return blob;
493 }
494
495
496 void* UncommonTrapBlob::operator new(size_t s, unsigned size) {
497 void* p = CodeCache::allocate(size);
498 if (!p) fatal("Initial size of CodeCache is too small");
499 return p;
500 }
501 #endif // COMPILER2
502
503
504 //----------------------------------------------------------------------------------------------------
505 // Implementation of ExceptionBlob
506
507 #ifdef COMPILER2
508 ExceptionBlob::ExceptionBlob(
509 CodeBuffer* cb,
510 int size,
511 OopMapSet* oop_maps,
512 int frame_size
513 )
514 : SingletonBlob("ExceptionBlob", cb, sizeof(ExceptionBlob), size, frame_size, oop_maps)
515 {}
516
517
518 ExceptionBlob* ExceptionBlob::create(
519 CodeBuffer* cb,
520 OopMapSet* oop_maps,
521 int frame_size)
522 {
523 ExceptionBlob* blob = NULL;
524 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
525 {
526 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
527 unsigned int size = allocation_size(cb, sizeof(ExceptionBlob));
528 blob = new (size) ExceptionBlob(cb, size, oop_maps, frame_size);
529 }
530
531 // We do not need to hold the CodeCache lock during name formatting
532 if (blob != NULL) {
533 char blob_id[256];
534 jio_snprintf(blob_id, sizeof(blob_id), "ExceptionBlob@" PTR_FORMAT, blob->instructions_begin());
535 if (PrintStubCode) {
536 tty->print_cr("Decoding %s " INTPTR_FORMAT, blob_id, blob);
537 Disassembler::decode(blob->instructions_begin(), blob->instructions_end());
538 }
539 VTune::register_stub(blob_id, blob->instructions_begin(), blob->instructions_end());
540 Forte::register_stub(blob_id, blob->instructions_begin(), blob->instructions_end());
541
542 if (JvmtiExport::should_post_dynamic_code_generated()) {
543 JvmtiExport::post_dynamic_code_generated("ExceptionBlob",
544 blob->instructions_begin(),
545 blob->instructions_end());
546 }
547 }
548
549 // Track memory usage statistic after releasing CodeCache_lock
550 MemoryService::track_code_cache_memory_usage();
551
552 return blob;
553 }
554
555
556 void* ExceptionBlob::operator new(size_t s, unsigned size) {
557 void* p = CodeCache::allocate(size);
558 if (!p) fatal("Initial size of CodeCache is too small");
559 return p;
560 }
561 #endif // COMPILER2
562
563
564 //----------------------------------------------------------------------------------------------------
565 // Implementation of SafepointBlob
566
567 SafepointBlob::SafepointBlob(
568 CodeBuffer* cb,
569 int size,
570 OopMapSet* oop_maps,
571 int frame_size
572 )
573 : SingletonBlob("SafepointBlob", cb, sizeof(SafepointBlob), size, frame_size, oop_maps)
574 {}
575
576
577 SafepointBlob* SafepointBlob::create(
578 CodeBuffer* cb,
579 OopMapSet* oop_maps,
580 int frame_size)
581 {
582 SafepointBlob* blob = NULL;
583 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
584 {
585 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
586 unsigned int size = allocation_size(cb, sizeof(SafepointBlob));
587 blob = new (size) SafepointBlob(cb, size, oop_maps, frame_size);
588 }
589
590 // We do not need to hold the CodeCache lock during name formatting.
591 if (blob != NULL) {
592 char blob_id[256];
593 jio_snprintf(blob_id, sizeof(blob_id), "SafepointBlob@" PTR_FORMAT, blob->instructions_begin());
594 if (PrintStubCode) {
595 tty->print_cr("Decoding %s " INTPTR_FORMAT, blob_id, blob);
596 Disassembler::decode(blob->instructions_begin(), blob->instructions_end());
597 }
598 VTune::register_stub(blob_id, blob->instructions_begin(), blob->instructions_end());
599 Forte::register_stub(blob_id, blob->instructions_begin(), blob->instructions_end());
600
601 if (JvmtiExport::should_post_dynamic_code_generated()) {
602 JvmtiExport::post_dynamic_code_generated("SafepointBlob",
603 blob->instructions_begin(),
604 blob->instructions_end());
605 }
606 }
607
608 // Track memory usage statistic after releasing CodeCache_lock
609 MemoryService::track_code_cache_memory_usage();
610
611 return blob;
612 }
613
614
615 void* SafepointBlob::operator new(size_t s, unsigned size) {
616 void* p = CodeCache::allocate(size);
617 if (!p) fatal("Initial size of CodeCache is too small");
618 return p;
619 }
620
621
622 //----------------------------------------------------------------------------------------------------
623 // Verification and printing
624
625 void CodeBlob::verify() {
626 ShouldNotReachHere();
627 }
628
629 #ifndef PRODUCT
630
631 void CodeBlob::print() const {
632 tty->print_cr("[CodeBlob (" INTPTR_FORMAT ")]", this);
633 tty->print_cr("Framesize: %d", _frame_size);
634 }
635
636
637 void CodeBlob::print_value_on(outputStream* st) const {
638 st->print_cr("[CodeBlob]");
639 }
640
641 #endif
642
643 void BufferBlob::verify() {
644 // unimplemented
645 }
646
647 #ifndef PRODUCT
648
649 void BufferBlob::print() const {
650 CodeBlob::print();
651 print_value_on(tty);
652 }
653
654
655 void BufferBlob::print_value_on(outputStream* st) const {
656 st->print_cr("BufferBlob (" INTPTR_FORMAT ") used for %s", this, name());
657 }
658
659
660 #endif
661
662 void RuntimeStub::verify() {
663 // unimplemented
664 }
665
666 #ifndef PRODUCT
667
668 void RuntimeStub::print() const {
669 CodeBlob::print();
670 tty->print("Runtime Stub (" INTPTR_FORMAT "): ", this);
671 tty->print_cr(name());
672 Disassembler::decode((CodeBlob*)this);
673 }
674
675
676 void RuntimeStub::print_value_on(outputStream* st) const {
677 st->print("RuntimeStub (" INTPTR_FORMAT "): ", this); st->print(name());
678 }
679
680 #endif
681
682 void SingletonBlob::verify() {
683 // unimplemented
684 }
685
686 #ifndef PRODUCT
687
688 void SingletonBlob::print() const {
689 CodeBlob::print();
690 tty->print_cr(name());
691 Disassembler::decode((CodeBlob*)this);
692 }
693
694
695 void SingletonBlob::print_value_on(outputStream* st) const {
696 st->print_cr(name());
697 }
698
699 void DeoptimizationBlob::print_value_on(outputStream* st) const {
700 st->print_cr("Deoptimization (frame not available)");
701 }
702
703 #endif // PRODUCT