1 /*
2 * Copyright (c) 1998, 2019, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "jvm.h"
27 #include "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("- - - [BEGIN] - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -");
186 tty->print_cr("Decoding %s " INTPTR_FORMAT, stub_id, (intptr_t) stub);
187 Disassembler::decode(stub->code_begin(), stub->code_end(), tty);
188 if ((stub->oop_maps() != NULL) && AbstractDisassembler::show_structs()) {
189 tty->print_cr("- - - [OOP MAPS]- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -");
190 stub->oop_maps()->print();
191 }
192 tty->print_cr("- - - [END] - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -");
193 tty->cr();
194 }
195 Forte::register_stub(stub_id, stub->code_begin(), stub->code_end());
196
197 if (JvmtiExport::should_post_dynamic_code_generated()) {
198 const char* stub_name = name2;
199 if (name2[0] == '\0') stub_name = name1;
200 JvmtiExport::post_dynamic_code_generated(stub_name, stub->code_begin(), stub->code_end());
201 }
202 }
203
204 // Track memory usage statistic after releasing CodeCache_lock
205 MemoryService::track_code_cache_memory_usage();
206 }
207
208 const ImmutableOopMap* CodeBlob::oop_map_for_return_address(address return_address) {
209 assert(_oop_maps != NULL, "nope");
210 return _oop_maps->find_map_at_offset((intptr_t) return_address - (intptr_t) code_begin());
211 }
212
213 void CodeBlob::print_code() {
214 ResourceMark m;
215 Disassembler::decode(this, tty);
216 }
217
218 //----------------------------------------------------------------------------------------------------
219 // Implementation of BufferBlob
220
221
222 BufferBlob::BufferBlob(const char* name, int size)
223 : RuntimeBlob(name, sizeof(BufferBlob), size, CodeOffsets::frame_never_safe, /*locs_size:*/ 0)
224 {}
225
226 BufferBlob* BufferBlob::create(const char* name, int buffer_size) {
227 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
228
229 BufferBlob* blob = NULL;
230 unsigned int size = sizeof(BufferBlob);
231 // align the size to CodeEntryAlignment
232 size = CodeBlob::align_code_offset(size);
233 size += align_up(buffer_size, oopSize);
234 assert(name != NULL, "must provide a name");
235 {
236 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
237 blob = new (size) BufferBlob(name, size);
238 }
239 // Track memory usage statistic after releasing CodeCache_lock
240 MemoryService::track_code_cache_memory_usage();
241
242 return blob;
243 }
244
245
246 BufferBlob::BufferBlob(const char* name, int size, CodeBuffer* cb)
247 : RuntimeBlob(name, cb, sizeof(BufferBlob), size, CodeOffsets::frame_never_safe, 0, NULL)
248 {}
249
250 BufferBlob* BufferBlob::create(const char* name, CodeBuffer* cb) {
251 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
252
253 BufferBlob* blob = NULL;
254 unsigned int size = CodeBlob::allocation_size(cb, sizeof(BufferBlob));
255 assert(name != NULL, "must provide a name");
256 {
257 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
258 blob = new (size) BufferBlob(name, size, cb);
259 }
260 // Track memory usage statistic after releasing CodeCache_lock
261 MemoryService::track_code_cache_memory_usage();
262
263 return blob;
264 }
265
266 void* BufferBlob::operator new(size_t s, unsigned size) throw() {
267 return CodeCache::allocate(size, CodeBlobType::NonNMethod);
268 }
269
270 void BufferBlob::free(BufferBlob *blob) {
271 assert(blob != NULL, "caller must check for NULL");
272 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
273 blob->flush();
274 {
275 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
276 CodeCache::free((RuntimeBlob*)blob);
277 }
278 // Track memory usage statistic after releasing CodeCache_lock
279 MemoryService::track_code_cache_memory_usage();
280 }
281
282
283 //----------------------------------------------------------------------------------------------------
284 // Implementation of AdapterBlob
285
286 AdapterBlob::AdapterBlob(int size, CodeBuffer* cb) :
287 BufferBlob("I2C/C2I adapters", size, cb) {
288 CodeCache::commit(this);
289 }
290
291 AdapterBlob* AdapterBlob::create(CodeBuffer* cb) {
292 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
293
294 AdapterBlob* blob = NULL;
295 unsigned int size = CodeBlob::allocation_size(cb, sizeof(AdapterBlob));
296 {
297 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
298 blob = new (size) AdapterBlob(size, cb);
299 }
300 // Track memory usage statistic after releasing CodeCache_lock
301 MemoryService::track_code_cache_memory_usage();
302
303 return blob;
304 }
305
306 VtableBlob::VtableBlob(const char* name, int size) :
307 BufferBlob(name, size) {
308 }
309
310 VtableBlob* VtableBlob::create(const char* name, int buffer_size) {
311 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
312
313 VtableBlob* blob = NULL;
314 unsigned int size = sizeof(VtableBlob);
315 // align the size to CodeEntryAlignment
316 size = align_code_offset(size);
317 size += align_up(buffer_size, oopSize);
318 assert(name != NULL, "must provide a name");
319 {
320 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
321 blob = new (size) VtableBlob(name, size);
322 }
323 // Track memory usage statistic after releasing CodeCache_lock
324 MemoryService::track_code_cache_memory_usage();
325
326 return blob;
327 }
328
329 //----------------------------------------------------------------------------------------------------
330 // Implementation of MethodHandlesAdapterBlob
331
332 MethodHandlesAdapterBlob* MethodHandlesAdapterBlob::create(int buffer_size) {
333 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
334
335 MethodHandlesAdapterBlob* blob = NULL;
336 unsigned int size = sizeof(MethodHandlesAdapterBlob);
337 // align the size to CodeEntryAlignment
338 size = CodeBlob::align_code_offset(size);
339 size += align_up(buffer_size, oopSize);
340 {
341 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
342 blob = new (size) MethodHandlesAdapterBlob(size);
343 if (blob == NULL) {
344 vm_exit_out_of_memory(size, OOM_MALLOC_ERROR, "CodeCache: no room for method handle adapter blob");
345 }
346 }
347 // Track memory usage statistic after releasing CodeCache_lock
348 MemoryService::track_code_cache_memory_usage();
349
350 return blob;
351 }
352
353 //----------------------------------------------------------------------------------------------------
354 // Implementation of RuntimeStub
355
356 RuntimeStub::RuntimeStub(
357 const char* name,
358 CodeBuffer* cb,
359 int size,
360 int frame_complete,
361 int frame_size,
362 OopMapSet* oop_maps,
363 bool caller_must_gc_arguments
364 )
365 : RuntimeBlob(name, cb, sizeof(RuntimeStub), size, frame_complete, frame_size, oop_maps, caller_must_gc_arguments)
366 {
367 }
368
369 RuntimeStub* RuntimeStub::new_runtime_stub(const char* stub_name,
370 CodeBuffer* cb,
371 int frame_complete,
372 int frame_size,
373 OopMapSet* oop_maps,
374 bool caller_must_gc_arguments)
375 {
376 RuntimeStub* stub = NULL;
377 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
378 {
379 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
380 unsigned int size = CodeBlob::allocation_size(cb, sizeof(RuntimeStub));
381 stub = new (size) RuntimeStub(stub_name, cb, size, frame_complete, frame_size, oop_maps, caller_must_gc_arguments);
382 }
383
384 trace_new_stub(stub, "RuntimeStub - ", stub_name);
385
386 return stub;
387 }
388
389
390 void* RuntimeStub::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 // operator new shared by all singletons:
397 void* SingletonBlob::operator new(size_t s, unsigned size) throw() {
398 void* p = CodeCache::allocate(size, CodeBlobType::NonNMethod);
399 if (!p) fatal("Initial size of CodeCache is too small");
400 return p;
401 }
402
403
404 //----------------------------------------------------------------------------------------------------
405 // Implementation of DeoptimizationBlob
406
407 DeoptimizationBlob::DeoptimizationBlob(
408 CodeBuffer* cb,
409 int size,
410 OopMapSet* oop_maps,
411 int unpack_offset,
412 int unpack_with_exception_offset,
413 int unpack_with_reexecution_offset,
414 int frame_size
415 )
416 : SingletonBlob("DeoptimizationBlob", cb, sizeof(DeoptimizationBlob), size, frame_size, oop_maps)
417 {
418 _unpack_offset = unpack_offset;
419 _unpack_with_exception = unpack_with_exception_offset;
420 _unpack_with_reexecution = unpack_with_reexecution_offset;
421 #ifdef COMPILER1
422 _unpack_with_exception_in_tls = -1;
423 #endif
424 }
425
426
427 DeoptimizationBlob* DeoptimizationBlob::create(
428 CodeBuffer* cb,
429 OopMapSet* oop_maps,
430 int unpack_offset,
431 int unpack_with_exception_offset,
432 int unpack_with_reexecution_offset,
433 int frame_size)
434 {
435 DeoptimizationBlob* blob = NULL;
436 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
437 {
438 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
439 unsigned int size = CodeBlob::allocation_size(cb, sizeof(DeoptimizationBlob));
440 blob = new (size) DeoptimizationBlob(cb,
441 size,
442 oop_maps,
443 unpack_offset,
444 unpack_with_exception_offset,
445 unpack_with_reexecution_offset,
446 frame_size);
447 }
448
449 trace_new_stub(blob, "DeoptimizationBlob");
450
451 return blob;
452 }
453
454
455 //----------------------------------------------------------------------------------------------------
456 // Implementation of UncommonTrapBlob
457
458 #ifdef COMPILER2
459 UncommonTrapBlob::UncommonTrapBlob(
460 CodeBuffer* cb,
461 int size,
462 OopMapSet* oop_maps,
463 int frame_size
464 )
465 : SingletonBlob("UncommonTrapBlob", cb, sizeof(UncommonTrapBlob), size, frame_size, oop_maps)
466 {}
467
468
469 UncommonTrapBlob* UncommonTrapBlob::create(
470 CodeBuffer* cb,
471 OopMapSet* oop_maps,
472 int frame_size)
473 {
474 UncommonTrapBlob* blob = NULL;
475 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
476 {
477 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
478 unsigned int size = CodeBlob::allocation_size(cb, sizeof(UncommonTrapBlob));
479 blob = new (size) UncommonTrapBlob(cb, size, oop_maps, frame_size);
480 }
481
482 trace_new_stub(blob, "UncommonTrapBlob");
483
484 return blob;
485 }
486
487
488 #endif // COMPILER2
489
490
491 //----------------------------------------------------------------------------------------------------
492 // Implementation of ExceptionBlob
493
494 #ifdef COMPILER2
495 ExceptionBlob::ExceptionBlob(
496 CodeBuffer* cb,
497 int size,
498 OopMapSet* oop_maps,
499 int frame_size
500 )
501 : SingletonBlob("ExceptionBlob", cb, sizeof(ExceptionBlob), size, frame_size, oop_maps)
502 {}
503
504
505 ExceptionBlob* ExceptionBlob::create(
506 CodeBuffer* cb,
507 OopMapSet* oop_maps,
508 int frame_size)
509 {
510 ExceptionBlob* blob = NULL;
511 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
512 {
513 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
514 unsigned int size = CodeBlob::allocation_size(cb, sizeof(ExceptionBlob));
515 blob = new (size) ExceptionBlob(cb, size, oop_maps, frame_size);
516 }
517
518 trace_new_stub(blob, "ExceptionBlob");
519
520 return blob;
521 }
522
523
524 #endif // COMPILER2
525
526
527 //----------------------------------------------------------------------------------------------------
528 // Implementation of SafepointBlob
529
530 SafepointBlob::SafepointBlob(
531 CodeBuffer* cb,
532 int size,
533 OopMapSet* oop_maps,
534 int frame_size
535 )
536 : SingletonBlob("SafepointBlob", cb, sizeof(SafepointBlob), size, frame_size, oop_maps)
537 {}
538
539
540 SafepointBlob* SafepointBlob::create(
541 CodeBuffer* cb,
542 OopMapSet* oop_maps,
543 int frame_size)
544 {
545 SafepointBlob* blob = NULL;
546 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
547 {
548 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
549 unsigned int size = CodeBlob::allocation_size(cb, sizeof(SafepointBlob));
550 blob = new (size) SafepointBlob(cb, size, oop_maps, frame_size);
551 }
552
553 trace_new_stub(blob, "SafepointBlob");
554
555 return blob;
556 }
557
558
559 //----------------------------------------------------------------------------------------------------
560 // Verification and printing
561
562 void CodeBlob::print_on(outputStream* st) const {
563 st->print_cr("[CodeBlob (" INTPTR_FORMAT ")]", p2i(this));
564 st->print_cr("Framesize: %d", _frame_size);
565 }
566
567 void CodeBlob::print_value_on(outputStream* st) const {
568 st->print_cr("[CodeBlob]");
569 }
570
571 void CodeBlob::dump_for_addr(address addr, outputStream* st, bool verbose) const {
572 if (is_buffer_blob()) {
573 // the interpreter is generated into a buffer blob
574 InterpreterCodelet* i = Interpreter::codelet_containing(addr);
575 if (i != NULL) {
576 st->print_cr(INTPTR_FORMAT " is at code_begin+%d in an Interpreter codelet", p2i(addr), (int)(addr - i->code_begin()));
577 i->print_on(st);
578 return;
579 }
580 if (Interpreter::contains(addr)) {
581 st->print_cr(INTPTR_FORMAT " is pointing into interpreter code"
582 " (not bytecode specific)", p2i(addr));
583 return;
584 }
585 //
586 if (AdapterHandlerLibrary::contains(this)) {
587 st->print_cr(INTPTR_FORMAT " is at code_begin+%d in an AdapterHandler", p2i(addr), (int)(addr - code_begin()));
588 AdapterHandlerLibrary::print_handler_on(st, this);
589 }
590 // the stubroutines are generated into a buffer blob
591 StubCodeDesc* d = StubCodeDesc::desc_for(addr);
592 if (d != NULL) {
593 st->print_cr(INTPTR_FORMAT " is at begin+%d in a stub", p2i(addr), (int)(addr - d->begin()));
594 d->print_on(st);
595 st->cr();
596 return;
597 }
598 if (StubRoutines::contains(addr)) {
599 st->print_cr(INTPTR_FORMAT " is pointing to an (unnamed) stub routine", p2i(addr));
600 return;
601 }
602 // the InlineCacheBuffer is using stubs generated into a buffer blob
603 if (InlineCacheBuffer::contains(addr)) {
604 st->print_cr(INTPTR_FORMAT " is pointing into InlineCacheBuffer", p2i(addr));
605 return;
606 }
607 VtableStub* v = VtableStubs::stub_containing(addr);
608 if (v != NULL) {
609 st->print_cr(INTPTR_FORMAT " is at entry_point+%d in a vtable stub", p2i(addr), (int)(addr - v->entry_point()));
610 v->print_on(st);
611 st->cr();
612 return;
613 }
614 }
615 if (is_nmethod()) {
616 nmethod* nm = (nmethod*)this;
617 ResourceMark rm;
618 st->print(INTPTR_FORMAT " is at entry_point+%d in (nmethod*)" INTPTR_FORMAT,
619 p2i(addr), (int)(addr - nm->entry_point()), p2i(nm));
620 if (verbose) {
621 st->print(" for ");
622 nm->method()->print_value_on(st);
623 }
624 st->cr();
625 nm->print_nmethod(verbose);
626 return;
627 }
628 st->print_cr(INTPTR_FORMAT " is at code_begin+%d in ", p2i(addr), (int)(addr - code_begin()));
629 print_on(st);
630 }
631
632 void RuntimeBlob::verify() {
633 ShouldNotReachHere();
634 }
635
636 void BufferBlob::verify() {
637 // unimplemented
638 }
639
640 void BufferBlob::print_on(outputStream* st) const {
641 RuntimeBlob::print_on(st);
642 print_value_on(st);
643 }
644
645 void BufferBlob::print_value_on(outputStream* st) const {
646 st->print_cr("BufferBlob (" INTPTR_FORMAT ") used for %s", p2i(this), name());
647 }
648
649 void RuntimeStub::verify() {
650 // unimplemented
651 }
652
653 void RuntimeStub::print_on(outputStream* st) const {
654 ttyLocker ttyl;
655 RuntimeBlob::print_on(st);
656 st->print("Runtime Stub (" INTPTR_FORMAT "): ", p2i(this));
657 st->print_cr("%s", name());
658 Disassembler::decode((RuntimeBlob*)this, st);
659 }
660
661 void RuntimeStub::print_value_on(outputStream* st) const {
662 st->print("RuntimeStub (" INTPTR_FORMAT "): ", p2i(this)); st->print("%s", name());
663 }
664
665 void SingletonBlob::verify() {
666 // unimplemented
667 }
668
669 void SingletonBlob::print_on(outputStream* st) const {
670 ttyLocker ttyl;
671 RuntimeBlob::print_on(st);
672 st->print_cr("%s", name());
673 Disassembler::decode((RuntimeBlob*)this, st);
674 }
675
676 void SingletonBlob::print_value_on(outputStream* st) const {
677 st->print_cr("%s", name());
678 }
679
680 void DeoptimizationBlob::print_value_on(outputStream* st) const {
681 st->print_cr("Deoptimization (frame not available)");
682 }