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 "interpreter/interpreter.hpp"
35 #include "memory/allocation.inline.hpp"
36 #include "memory/heap.hpp"
37 #include "memory/resourceArea.hpp"
38 #include "oops/oop.inline.hpp"
39 #include "prims/forte.hpp"
40 #include "runtime/handles.inline.hpp"
41 #include "runtime/interfaceSupport.inline.hpp"
42 #include "runtime/mutexLocker.hpp"
43 #include "runtime/safepoint.hpp"
44 #include "runtime/sharedRuntime.hpp"
45 #include "runtime/vframe.hpp"
46 #include "services/memoryService.hpp"
47 #include "utilities/align.hpp"
48 #ifdef COMPILER1
49 #include "c1/c1_Runtime1.hpp"
50 #endif
51
52 const char* CodeBlob::compiler_name() const {
53 return compilertype2name(_type);
54 }
55
56 unsigned int CodeBlob::align_code_offset(int offset) {
57 // align the size to CodeEntryAlignment
58 return
59 ((offset + (int)CodeHeap::header_size() + (CodeEntryAlignment-1)) & ~(CodeEntryAlignment-1))
60 - (int)CodeHeap::header_size();
61 }
62
63
64 // This must be consistent with the CodeBlob constructor's layout actions.
65 unsigned int CodeBlob::allocation_size(CodeBuffer* cb, int header_size) {
66 unsigned int size = header_size;
67 size += align_up(cb->total_relocation_size(), oopSize);
68 // align the size to CodeEntryAlignment
69 size = align_code_offset(size);
70 size += align_up(cb->total_content_size(), oopSize);
71 size += align_up(cb->total_oop_size(), oopSize);
72 size += align_up(cb->total_metadata_size(), oopSize);
73 return size;
74 }
75
76 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) :
77 _type(type),
78 _size(layout.size()),
79 _header_size(layout.header_size()),
80 _frame_complete_offset(frame_complete_offset),
81 _data_offset(layout.data_offset()),
82 _frame_size(frame_size),
83 _code_begin(layout.code_begin()),
84 _code_end(layout.code_end()),
85 _content_begin(layout.content_begin()),
86 _data_end(layout.data_end()),
87 _relocation_begin(layout.relocation_begin()),
88 _relocation_end(layout.relocation_end()),
89 _oop_maps(oop_maps),
90 _caller_must_gc_arguments(caller_must_gc_arguments),
91 _strings(CodeStrings()),
92 _name(name)
93 {
94 assert(is_aligned(layout.size(), oopSize), "unaligned size");
95 assert(is_aligned(layout.header_size(), oopSize), "unaligned size");
96 assert(is_aligned(layout.relocation_size(), oopSize), "unaligned size");
97 assert(layout.code_end() == layout.content_end(), "must be the same - see code_end()");
98 #ifdef COMPILER1
99 // probably wrong for tiered
100 assert(_frame_size >= -1, "must use frame size or -1 for runtime stubs");
101 #endif // COMPILER1
102 }
103
104 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) :
105 _type(type),
106 _size(layout.size()),
107 _header_size(layout.header_size()),
108 _frame_complete_offset(frame_complete_offset),
109 _data_offset(layout.data_offset()),
110 _frame_size(frame_size),
111 _code_begin(layout.code_begin()),
112 _code_end(layout.code_end()),
113 _content_begin(layout.content_begin()),
114 _data_end(layout.data_end()),
115 _relocation_begin(layout.relocation_begin()),
116 _relocation_end(layout.relocation_end()),
117 _caller_must_gc_arguments(caller_must_gc_arguments),
118 _strings(CodeStrings()),
119 _name(name)
120 {
121 assert(is_aligned(_size, oopSize), "unaligned size");
122 assert(is_aligned(_header_size, oopSize), "unaligned size");
123 assert(_data_offset <= _size, "codeBlob is too small");
124 assert(layout.code_end() == layout.content_end(), "must be the same - see code_end()");
125
126 set_oop_maps(oop_maps);
127 #ifdef COMPILER1
128 // probably wrong for tiered
129 assert(_frame_size >= -1, "must use frame size or -1 for runtime stubs");
130 #endif // COMPILER1
131 }
132
133
134 // Creates a simple CodeBlob. Sets up the size of the different regions.
135 RuntimeBlob::RuntimeBlob(const char* name, int header_size, int size, int frame_complete, int locs_size)
136 : CodeBlob(name, compiler_none, CodeBlobLayout((address) this, size, header_size, locs_size, size), frame_complete, 0, NULL, false /* caller_must_gc_arguments */)
137 {
138 assert(is_aligned(locs_size, oopSize), "unaligned size");
139 }
140
141
142 // Creates a RuntimeBlob from a CodeBuffer
143 // and copy code and relocation info.
144 RuntimeBlob::RuntimeBlob(
145 const char* name,
146 CodeBuffer* cb,
147 int header_size,
148 int size,
149 int frame_complete,
150 int frame_size,
151 OopMapSet* oop_maps,
152 bool caller_must_gc_arguments
153 ) : CodeBlob(name, compiler_none, CodeBlobLayout((address) this, size, header_size, cb), cb, frame_complete, frame_size, oop_maps, caller_must_gc_arguments) {
154 cb->copy_code_and_locs_to(this);
155 }
156
157 void CodeBlob::flush() {
158 FREE_C_HEAP_ARRAY(unsigned char, _oop_maps);
159 _oop_maps = NULL;
160 _strings.free();
161 }
162
163 void CodeBlob::set_oop_maps(OopMapSet* p) {
164 // Danger Will Robinson! This method allocates a big
165 // chunk of memory, its your job to free it.
166 if (p != NULL) {
167 _oop_maps = ImmutableOopMapSet::build_from(p);
168 } else {
169 _oop_maps = NULL;
170 }
171 }
172
173
174 void RuntimeBlob::trace_new_stub(RuntimeBlob* stub, const char* name1, const char* name2) {
175 // Do not hold the CodeCache lock during name formatting.
176 assert(!CodeCache_lock->owned_by_self(), "release CodeCache before registering the stub");
177
178 if (stub != NULL) {
179 char stub_id[256];
180 assert(strlen(name1) + strlen(name2) < sizeof(stub_id), "");
181 jio_snprintf(stub_id, sizeof(stub_id), "%s%s", name1, name2);
182 if (PrintStubCode) {
183 ttyLocker ttyl;
184 tty->print_cr("- - - [BEGIN] - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -");
185 tty->print_cr("Decoding %s " INTPTR_FORMAT, stub_id, (intptr_t) stub);
186 Disassembler::decode(stub->code_begin(), stub->code_end(), tty);
187 if ((stub->oop_maps() != NULL) && AbstractDisassembler::show_structs()) {
188 tty->print_cr("- - - [OOP MAPS]- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -");
189 stub->oop_maps()->print();
190 }
191 tty->print_cr("- - - [END] - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -");
192 tty->cr();
193 }
194 Forte::register_stub(stub_id, stub->code_begin(), stub->code_end());
195
196 if (JvmtiExport::should_post_dynamic_code_generated()) {
197 const char* stub_name = name2;
198 if (name2[0] == '\0') stub_name = name1;
199 JvmtiExport::post_dynamic_code_generated(stub_name, stub->code_begin(), stub->code_end());
200 }
201 }
202
203 // Track memory usage statistic after releasing CodeCache_lock
204 MemoryService::track_code_cache_memory_usage();
205 }
206
207 const ImmutableOopMap* CodeBlob::oop_map_for_return_address(address return_address) {
208 assert(_oop_maps != NULL, "nope");
209 return _oop_maps->find_map_at_offset((intptr_t) return_address - (intptr_t) code_begin());
210 }
211
212 void CodeBlob::print_code() {
213 ResourceMark m;
214 Disassembler::decode(this, tty);
215 }
216
217 //----------------------------------------------------------------------------------------------------
218 // Implementation of BufferBlob
219
220
221 BufferBlob::BufferBlob(const char* name, int size)
222 : RuntimeBlob(name, sizeof(BufferBlob), size, CodeOffsets::frame_never_safe, /*locs_size:*/ 0)
223 {}
224
225 BufferBlob* BufferBlob::create(const char* name, int buffer_size) {
226 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
227
228 BufferBlob* blob = NULL;
229 unsigned int size = sizeof(BufferBlob);
230 // align the size to CodeEntryAlignment
231 size = CodeBlob::align_code_offset(size);
232 size += align_up(buffer_size, oopSize);
233 assert(name != NULL, "must provide a name");
234 {
235 MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
236 blob = new (size) BufferBlob(name, size);
237 }
238 // Track memory usage statistic after releasing CodeCache_lock
239 MemoryService::track_code_cache_memory_usage();
240
241 return blob;
242 }
243
244
245 BufferBlob::BufferBlob(const char* name, int size, CodeBuffer* cb)
246 : RuntimeBlob(name, cb, sizeof(BufferBlob), size, CodeOffsets::frame_never_safe, 0, NULL)
247 {}
248
249 BufferBlob* BufferBlob::create(const char* name, CodeBuffer* cb) {
250 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
251
252 BufferBlob* blob = NULL;
253 unsigned int size = CodeBlob::allocation_size(cb, sizeof(BufferBlob));
254 assert(name != NULL, "must provide a name");
255 {
256 MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
257 blob = new (size) BufferBlob(name, size, cb);
258 }
259 // Track memory usage statistic after releasing CodeCache_lock
260 MemoryService::track_code_cache_memory_usage();
261
262 return blob;
263 }
264
265 void* BufferBlob::operator new(size_t s, unsigned size) throw() {
266 return CodeCache::allocate(size, CodeBlobType::NonNMethod);
267 }
268
269 void BufferBlob::free(BufferBlob *blob) {
270 assert(blob != NULL, "caller must check for NULL");
271 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
272 blob->flush();
273 {
274 MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
275 CodeCache::free((RuntimeBlob*)blob);
276 }
277 // Track memory usage statistic after releasing CodeCache_lock
278 MemoryService::track_code_cache_memory_usage();
279 }
280
281
282 //----------------------------------------------------------------------------------------------------
283 // Implementation of AdapterBlob
284
285 AdapterBlob::AdapterBlob(int size, CodeBuffer* cb) :
286 BufferBlob("I2C/C2I adapters", size, cb) {
287 CodeCache::commit(this);
288 }
289
290 AdapterBlob* AdapterBlob::create(CodeBuffer* cb) {
291 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
292
293 AdapterBlob* blob = NULL;
294 unsigned int size = CodeBlob::allocation_size(cb, sizeof(AdapterBlob));
295 {
296 MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
297 blob = new (size) AdapterBlob(size, cb);
298 }
299 // Track memory usage statistic after releasing CodeCache_lock
300 MemoryService::track_code_cache_memory_usage();
301
302 return blob;
303 }
304
305 VtableBlob::VtableBlob(const char* name, int size) :
306 BufferBlob(name, size) {
307 }
308
309 VtableBlob* VtableBlob::create(const char* name, int buffer_size) {
310 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
311
312 VtableBlob* blob = NULL;
313 unsigned int size = sizeof(VtableBlob);
314 // align the size to CodeEntryAlignment
315 size = align_code_offset(size);
316 size += align_up(buffer_size, oopSize);
317 assert(name != NULL, "must provide a name");
318 {
319 MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
320 blob = new (size) VtableBlob(name, size);
321 }
322 // Track memory usage statistic after releasing CodeCache_lock
323 MemoryService::track_code_cache_memory_usage();
324
325 return blob;
326 }
327
328 //----------------------------------------------------------------------------------------------------
329 // Implementation of MethodHandlesAdapterBlob
330
331 MethodHandlesAdapterBlob* MethodHandlesAdapterBlob::create(int buffer_size) {
332 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
333
334 MethodHandlesAdapterBlob* blob = NULL;
335 unsigned int size = sizeof(MethodHandlesAdapterBlob);
336 // align the size to CodeEntryAlignment
337 size = CodeBlob::align_code_offset(size);
338 size += align_up(buffer_size, oopSize);
339 {
340 MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
341 blob = new (size) MethodHandlesAdapterBlob(size);
342 if (blob == NULL) {
343 vm_exit_out_of_memory(size, OOM_MALLOC_ERROR, "CodeCache: no room for method handle adapter blob");
344 }
345 }
346 // Track memory usage statistic after releasing CodeCache_lock
347 MemoryService::track_code_cache_memory_usage();
348
349 return blob;
350 }
351
352 //----------------------------------------------------------------------------------------------------
353 // Implementation of RuntimeStub
354
355 RuntimeStub::RuntimeStub(
356 const char* name,
357 CodeBuffer* cb,
358 int size,
359 int frame_complete,
360 int frame_size,
361 OopMapSet* oop_maps,
362 bool caller_must_gc_arguments
363 )
364 : RuntimeBlob(name, cb, sizeof(RuntimeStub), size, frame_complete, frame_size, oop_maps, caller_must_gc_arguments)
365 {
366 }
367
368 RuntimeStub* RuntimeStub::new_runtime_stub(const char* stub_name,
369 CodeBuffer* cb,
370 int frame_complete,
371 int frame_size,
372 OopMapSet* oop_maps,
373 bool caller_must_gc_arguments)
374 {
375 RuntimeStub* stub = NULL;
376 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
377 {
378 MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
379 unsigned int size = CodeBlob::allocation_size(cb, sizeof(RuntimeStub));
380 stub = new (size) RuntimeStub(stub_name, cb, size, frame_complete, frame_size, oop_maps, caller_must_gc_arguments);
381 }
382
383 trace_new_stub(stub, "RuntimeStub - ", stub_name);
384
385 return stub;
386 }
387
388
389 void* RuntimeStub::operator new(size_t s, unsigned size) throw() {
390 void* p = CodeCache::allocate(size, CodeBlobType::NonNMethod);
391 if (!p) fatal("Initial size of CodeCache is too small");
392 return p;
393 }
394
395 // operator new shared by all singletons:
396 void* SingletonBlob::operator new(size_t s, unsigned size) throw() {
397 void* p = CodeCache::allocate(size, CodeBlobType::NonNMethod);
398 if (!p) fatal("Initial size of CodeCache is too small");
399 return p;
400 }
401
402
403 //----------------------------------------------------------------------------------------------------
404 // Implementation of DeoptimizationBlob
405
406 DeoptimizationBlob::DeoptimizationBlob(
407 CodeBuffer* cb,
408 int size,
409 OopMapSet* oop_maps,
410 int unpack_offset,
411 int unpack_with_exception_offset,
412 int unpack_with_reexecution_offset,
413 int frame_size
414 )
415 : SingletonBlob("DeoptimizationBlob", cb, sizeof(DeoptimizationBlob), size, frame_size, oop_maps)
416 {
417 _unpack_offset = unpack_offset;
418 _unpack_with_exception = unpack_with_exception_offset;
419 _unpack_with_reexecution = unpack_with_reexecution_offset;
420 #ifdef COMPILER1
421 _unpack_with_exception_in_tls = -1;
422 #endif
423 }
424
425
426 DeoptimizationBlob* DeoptimizationBlob::create(
427 CodeBuffer* cb,
428 OopMapSet* oop_maps,
429 int unpack_offset,
430 int unpack_with_exception_offset,
431 int unpack_with_reexecution_offset,
432 int frame_size)
433 {
434 DeoptimizationBlob* blob = NULL;
435 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
436 {
437 MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
438 unsigned int size = CodeBlob::allocation_size(cb, sizeof(DeoptimizationBlob));
439 blob = new (size) DeoptimizationBlob(cb,
440 size,
441 oop_maps,
442 unpack_offset,
443 unpack_with_exception_offset,
444 unpack_with_reexecution_offset,
445 frame_size);
446 }
447
448 trace_new_stub(blob, "DeoptimizationBlob");
449
450 return blob;
451 }
452
453
454 //----------------------------------------------------------------------------------------------------
455 // Implementation of UncommonTrapBlob
456
457 #ifdef COMPILER2
458 UncommonTrapBlob::UncommonTrapBlob(
459 CodeBuffer* cb,
460 int size,
461 OopMapSet* oop_maps,
462 int frame_size
463 )
464 : SingletonBlob("UncommonTrapBlob", cb, sizeof(UncommonTrapBlob), size, frame_size, oop_maps)
465 {}
466
467
468 UncommonTrapBlob* UncommonTrapBlob::create(
469 CodeBuffer* cb,
470 OopMapSet* oop_maps,
471 int frame_size)
472 {
473 UncommonTrapBlob* blob = NULL;
474 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
475 {
476 MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
477 unsigned int size = CodeBlob::allocation_size(cb, sizeof(UncommonTrapBlob));
478 blob = new (size) UncommonTrapBlob(cb, size, oop_maps, frame_size);
479 }
480
481 trace_new_stub(blob, "UncommonTrapBlob");
482
483 return blob;
484 }
485
486
487 #endif // COMPILER2
488
489
490 //----------------------------------------------------------------------------------------------------
491 // Implementation of ExceptionBlob
492
493 #ifdef COMPILER2
494 ExceptionBlob::ExceptionBlob(
495 CodeBuffer* cb,
496 int size,
497 OopMapSet* oop_maps,
498 int frame_size
499 )
500 : SingletonBlob("ExceptionBlob", cb, sizeof(ExceptionBlob), size, frame_size, oop_maps)
501 {}
502
503
504 ExceptionBlob* ExceptionBlob::create(
505 CodeBuffer* cb,
506 OopMapSet* oop_maps,
507 int frame_size)
508 {
509 ExceptionBlob* blob = NULL;
510 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
511 {
512 MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
513 unsigned int size = CodeBlob::allocation_size(cb, sizeof(ExceptionBlob));
514 blob = new (size) ExceptionBlob(cb, size, oop_maps, frame_size);
515 }
516
517 trace_new_stub(blob, "ExceptionBlob");
518
519 return blob;
520 }
521
522
523 #endif // COMPILER2
524
525
526 //----------------------------------------------------------------------------------------------------
527 // Implementation of SafepointBlob
528
529 SafepointBlob::SafepointBlob(
530 CodeBuffer* cb,
531 int size,
532 OopMapSet* oop_maps,
533 int frame_size
534 )
535 : SingletonBlob("SafepointBlob", cb, sizeof(SafepointBlob), size, frame_size, oop_maps)
536 {}
537
538
539 SafepointBlob* SafepointBlob::create(
540 CodeBuffer* cb,
541 OopMapSet* oop_maps,
542 int frame_size)
543 {
544 SafepointBlob* blob = NULL;
545 ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
546 {
547 MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
548 unsigned int size = CodeBlob::allocation_size(cb, sizeof(SafepointBlob));
549 blob = new (size) SafepointBlob(cb, size, oop_maps, frame_size);
550 }
551
552 trace_new_stub(blob, "SafepointBlob");
553
554 return blob;
555 }
556
557
558 //----------------------------------------------------------------------------------------------------
559 // Verification and printing
560
561 void CodeBlob::print_on(outputStream* st) const {
562 st->print_cr("[CodeBlob (" INTPTR_FORMAT ")]", p2i(this));
563 st->print_cr("Framesize: %d", _frame_size);
564 }
565
566 void CodeBlob::print() const { print_on(tty); }
567
568 void CodeBlob::print_value_on(outputStream* st) const {
569 st->print_cr("[CodeBlob]");
570 }
571
572 void CodeBlob::dump_for_addr(address addr, outputStream* st, bool verbose) const {
573 if (is_buffer_blob()) {
574 // the interpreter is generated into a buffer blob
575 InterpreterCodelet* i = Interpreter::codelet_containing(addr);
576 if (i != NULL) {
577 st->print_cr(INTPTR_FORMAT " is at code_begin+%d in an Interpreter codelet", p2i(addr), (int)(addr - i->code_begin()));
578 i->print_on(st);
579 return;
580 }
581 if (Interpreter::contains(addr)) {
582 st->print_cr(INTPTR_FORMAT " is pointing into interpreter code"
583 " (not bytecode specific)", p2i(addr));
584 return;
585 }
586 //
587 if (AdapterHandlerLibrary::contains(this)) {
588 st->print_cr(INTPTR_FORMAT " is at code_begin+%d in an AdapterHandler", p2i(addr), (int)(addr - code_begin()));
589 AdapterHandlerLibrary::print_handler_on(st, this);
590 }
591 // the stubroutines are generated into a buffer blob
592 StubCodeDesc* d = StubCodeDesc::desc_for(addr);
593 if (d != NULL) {
594 st->print_cr(INTPTR_FORMAT " is at begin+%d in a stub", p2i(addr), (int)(addr - d->begin()));
595 d->print_on(st);
596 st->cr();
597 return;
598 }
599 if (StubRoutines::contains(addr)) {
600 st->print_cr(INTPTR_FORMAT " is pointing to an (unnamed) stub routine", p2i(addr));
601 return;
602 }
603 // the InlineCacheBuffer is using stubs generated into a buffer blob
604 if (InlineCacheBuffer::contains(addr)) {
605 st->print_cr(INTPTR_FORMAT " is pointing into InlineCacheBuffer", p2i(addr));
606 return;
607 }
608 VtableStub* v = VtableStubs::stub_containing(addr);
609 if (v != NULL) {
610 st->print_cr(INTPTR_FORMAT " is at entry_point+%d in a vtable stub", p2i(addr), (int)(addr - v->entry_point()));
611 v->print_on(st);
612 st->cr();
613 return;
614 }
615 }
616 if (is_nmethod()) {
617 nmethod* nm = (nmethod*)this;
618 ResourceMark rm;
619 st->print(INTPTR_FORMAT " is at entry_point+%d in (nmethod*)" INTPTR_FORMAT,
620 p2i(addr), (int)(addr - nm->entry_point()), p2i(nm));
621 if (verbose) {
622 st->print(" for ");
623 nm->method()->print_value_on(st);
624 }
625 st->cr();
626 nm->print_nmethod(verbose);
627 return;
628 }
629 st->print_cr(INTPTR_FORMAT " is at code_begin+%d in ", p2i(addr), (int)(addr - code_begin()));
630 print_on(st);
631 }
632
633 void RuntimeBlob::verify() {
634 ShouldNotReachHere();
635 }
636
637 void BufferBlob::verify() {
638 // unimplemented
639 }
640
641 void BufferBlob::print_on(outputStream* st) const {
642 RuntimeBlob::print_on(st);
643 print_value_on(st);
644 }
645
646 void BufferBlob::print_value_on(outputStream* st) const {
647 st->print_cr("BufferBlob (" INTPTR_FORMAT ") used for %s", p2i(this), name());
648 }
649
650 void RuntimeStub::verify() {
651 // unimplemented
652 }
653
654 void RuntimeStub::print_on(outputStream* st) const {
655 ttyLocker ttyl;
656 RuntimeBlob::print_on(st);
657 st->print("Runtime Stub (" INTPTR_FORMAT "): ", p2i(this));
658 st->print_cr("%s", name());
659 Disassembler::decode((RuntimeBlob*)this, st);
660 }
661
662 void RuntimeStub::print_value_on(outputStream* st) const {
663 st->print("RuntimeStub (" INTPTR_FORMAT "): ", p2i(this)); st->print("%s", name());
664 }
665
666 void SingletonBlob::verify() {
667 // unimplemented
668 }
669
670 void SingletonBlob::print_on(outputStream* st) const {
671 ttyLocker ttyl;
672 RuntimeBlob::print_on(st);
673 st->print_cr("%s", name());
674 Disassembler::decode((RuntimeBlob*)this, st);
675 }
676
677 void SingletonBlob::print_value_on(outputStream* st) const {
678 st->print_cr("%s", name());
679 }
680
681 void DeoptimizationBlob::print_value_on(outputStream* st) const {
682 st->print_cr("Deoptimization (frame not available)");
683 }