Mon, 07 Jul 2014 10:12:40 +0200
8049421: G1 Class Unloading after completing a concurrent mark cycle
Reviewed-by: tschatzl, ehelin, brutisso, coleenp, roland, iveresov
Contributed-by: stefan.karlsson@oracle.com, mikael.gerdin@oracle.com
1 /*
2 * Copyright (c) 2001, 2014, 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 */
25 #include "precompiled.hpp"
26 #include "ci/ciMetadata.hpp"
27 #include "ci/ciMethodData.hpp"
28 #include "ci/ciReplay.hpp"
29 #include "ci/ciUtilities.hpp"
30 #include "memory/allocation.inline.hpp"
31 #include "memory/resourceArea.hpp"
32 #include "runtime/deoptimization.hpp"
33 #include "utilities/copy.hpp"
35 // ciMethodData
37 // ------------------------------------------------------------------
38 // ciMethodData::ciMethodData
39 //
40 ciMethodData::ciMethodData(MethodData* md) : ciMetadata(md) {
41 assert(md != NULL, "no null method data");
42 Copy::zero_to_words((HeapWord*) &_orig, sizeof(_orig) / sizeof(HeapWord));
43 _data = NULL;
44 _data_size = 0;
45 _extra_data_size = 0;
46 _current_mileage = 0;
47 _invocation_counter = 0;
48 _backedge_counter = 0;
49 _state = empty_state;
50 _saw_free_extra_data = false;
51 // Set an initial hint. Don't use set_hint_di() because
52 // first_di() may be out of bounds if data_size is 0.
53 _hint_di = first_di();
54 // Initialize the escape information (to "don't know.");
55 _eflags = _arg_local = _arg_stack = _arg_returned = 0;
56 _parameters = NULL;
57 }
59 // ------------------------------------------------------------------
60 // ciMethodData::ciMethodData
61 //
62 // No MethodData*.
63 ciMethodData::ciMethodData() : ciMetadata(NULL) {
64 Copy::zero_to_words((HeapWord*) &_orig, sizeof(_orig) / sizeof(HeapWord));
65 _data = NULL;
66 _data_size = 0;
67 _extra_data_size = 0;
68 _current_mileage = 0;
69 _invocation_counter = 0;
70 _backedge_counter = 0;
71 _state = empty_state;
72 _saw_free_extra_data = false;
73 // Set an initial hint. Don't use set_hint_di() because
74 // first_di() may be out of bounds if data_size is 0.
75 _hint_di = first_di();
76 // Initialize the escape information (to "don't know.");
77 _eflags = _arg_local = _arg_stack = _arg_returned = 0;
78 _parameters = NULL;
79 }
81 void ciMethodData::load_extra_data() {
82 MethodData* mdo = get_MethodData();
84 // speculative trap entries also hold a pointer to a Method so need to be translated
85 DataLayout* dp_src = mdo->extra_data_base();
86 DataLayout* end_src = mdo->extra_data_limit();
87 DataLayout* dp_dst = extra_data_base();
88 for (;; dp_src = MethodData::next_extra(dp_src), dp_dst = MethodData::next_extra(dp_dst)) {
89 assert(dp_src < end_src, "moved past end of extra data");
90 // New traps in the MDO can be added as we translate the copy so
91 // look at the entries in the copy.
92 switch(dp_dst->tag()) {
93 case DataLayout::speculative_trap_data_tag: {
94 ciSpeculativeTrapData* data_dst = new ciSpeculativeTrapData(dp_dst);
95 SpeculativeTrapData* data_src = new SpeculativeTrapData(dp_src);
96 data_dst->translate_from(data_src);
97 break;
98 }
99 case DataLayout::bit_data_tag:
100 break;
101 case DataLayout::no_tag:
102 case DataLayout::arg_info_data_tag:
103 // An empty slot or ArgInfoData entry marks the end of the trap data
104 return;
105 default:
106 fatal(err_msg("bad tag = %d", dp_dst->tag()));
107 }
108 }
109 }
111 void ciMethodData::load_data() {
112 MethodData* mdo = get_MethodData();
113 if (mdo == NULL) {
114 return;
115 }
117 // To do: don't copy the data if it is not "ripe" -- require a minimum #
118 // of invocations.
120 // Snapshot the data -- actually, take an approximate snapshot of
121 // the data. Any concurrently executing threads may be changing the
122 // data as we copy it.
123 Copy::disjoint_words((HeapWord*) mdo,
124 (HeapWord*) &_orig,
125 sizeof(_orig) / HeapWordSize);
126 Arena* arena = CURRENT_ENV->arena();
127 _data_size = mdo->data_size();
128 _extra_data_size = mdo->extra_data_size();
129 int total_size = _data_size + _extra_data_size;
130 _data = (intptr_t *) arena->Amalloc(total_size);
131 Copy::disjoint_words((HeapWord*) mdo->data_base(), (HeapWord*) _data, total_size / HeapWordSize);
133 // Traverse the profile data, translating any oops into their
134 // ci equivalents.
135 ResourceMark rm;
136 ciProfileData* ci_data = first_data();
137 ProfileData* data = mdo->first_data();
138 while (is_valid(ci_data)) {
139 ci_data->translate_from(data);
140 ci_data = next_data(ci_data);
141 data = mdo->next_data(data);
142 }
143 if (mdo->parameters_type_data() != NULL) {
144 _parameters = data_layout_at(mdo->parameters_type_data_di());
145 ciParametersTypeData* parameters = new ciParametersTypeData(_parameters);
146 parameters->translate_from(mdo->parameters_type_data());
147 }
149 load_extra_data();
151 // Note: Extra data are all BitData, and do not need translation.
152 _current_mileage = MethodData::mileage_of(mdo->method());
153 _invocation_counter = mdo->invocation_count();
154 _backedge_counter = mdo->backedge_count();
155 _state = mdo->is_mature()? mature_state: immature_state;
157 _eflags = mdo->eflags();
158 _arg_local = mdo->arg_local();
159 _arg_stack = mdo->arg_stack();
160 _arg_returned = mdo->arg_returned();
161 #ifndef PRODUCT
162 if (ReplayCompiles) {
163 ciReplay::initialize(this);
164 }
165 #endif
166 }
168 void ciReceiverTypeData::translate_receiver_data_from(const ProfileData* data) {
169 for (uint row = 0; row < row_limit(); row++) {
170 Klass* k = data->as_ReceiverTypeData()->receiver(row);
171 if (k != NULL) {
172 ciKlass* klass = CURRENT_ENV->get_klass(k);
173 CURRENT_ENV->ensure_metadata_alive(klass);
174 set_receiver(row, klass);
175 }
176 }
177 }
180 void ciTypeStackSlotEntries::translate_type_data_from(const TypeStackSlotEntries* entries) {
181 for (int i = 0; i < _number_of_entries; i++) {
182 intptr_t k = entries->type(i);
183 TypeStackSlotEntries::set_type(i, translate_klass(k));
184 }
185 }
187 void ciReturnTypeEntry::translate_type_data_from(const ReturnTypeEntry* ret) {
188 intptr_t k = ret->type();
189 set_type(translate_klass(k));
190 }
192 void ciSpeculativeTrapData::translate_from(const ProfileData* data) {
193 Method* m = data->as_SpeculativeTrapData()->method();
194 ciMethod* ci_m = CURRENT_ENV->get_method(m);
195 CURRENT_ENV->ensure_metadata_alive(ci_m);
196 set_method(ci_m);
197 }
199 // Get the data at an arbitrary (sort of) data index.
200 ciProfileData* ciMethodData::data_at(int data_index) {
201 if (out_of_bounds(data_index)) {
202 return NULL;
203 }
204 DataLayout* data_layout = data_layout_at(data_index);
206 switch (data_layout->tag()) {
207 case DataLayout::no_tag:
208 default:
209 ShouldNotReachHere();
210 return NULL;
211 case DataLayout::bit_data_tag:
212 return new ciBitData(data_layout);
213 case DataLayout::counter_data_tag:
214 return new ciCounterData(data_layout);
215 case DataLayout::jump_data_tag:
216 return new ciJumpData(data_layout);
217 case DataLayout::receiver_type_data_tag:
218 return new ciReceiverTypeData(data_layout);
219 case DataLayout::virtual_call_data_tag:
220 return new ciVirtualCallData(data_layout);
221 case DataLayout::ret_data_tag:
222 return new ciRetData(data_layout);
223 case DataLayout::branch_data_tag:
224 return new ciBranchData(data_layout);
225 case DataLayout::multi_branch_data_tag:
226 return new ciMultiBranchData(data_layout);
227 case DataLayout::arg_info_data_tag:
228 return new ciArgInfoData(data_layout);
229 case DataLayout::call_type_data_tag:
230 return new ciCallTypeData(data_layout);
231 case DataLayout::virtual_call_type_data_tag:
232 return new ciVirtualCallTypeData(data_layout);
233 case DataLayout::parameters_type_data_tag:
234 return new ciParametersTypeData(data_layout);
235 };
236 }
238 // Iteration over data.
239 ciProfileData* ciMethodData::next_data(ciProfileData* current) {
240 int current_index = dp_to_di(current->dp());
241 int next_index = current_index + current->size_in_bytes();
242 ciProfileData* next = data_at(next_index);
243 return next;
244 }
246 ciProfileData* ciMethodData::bci_to_extra_data(int bci, ciMethod* m, bool& two_free_slots) {
247 // bci_to_extra_data(bci) ...
248 DataLayout* dp = data_layout_at(data_size());
249 DataLayout* end = data_layout_at(data_size() + extra_data_size());
250 two_free_slots = false;
251 for (;dp < end; dp = MethodData::next_extra(dp)) {
252 switch(dp->tag()) {
253 case DataLayout::no_tag:
254 _saw_free_extra_data = true; // observed an empty slot (common case)
255 two_free_slots = (MethodData::next_extra(dp)->tag() == DataLayout::no_tag);
256 return NULL;
257 case DataLayout::arg_info_data_tag:
258 return NULL; // ArgInfoData is at the end of extra data section.
259 case DataLayout::bit_data_tag:
260 if (m == NULL && dp->bci() == bci) {
261 return new ciBitData(dp);
262 }
263 break;
264 case DataLayout::speculative_trap_data_tag: {
265 ciSpeculativeTrapData* data = new ciSpeculativeTrapData(dp);
266 // data->method() might be null if the MDO is snapshotted
267 // concurrently with a trap
268 if (m != NULL && data->method() == m && dp->bci() == bci) {
269 return data;
270 }
271 break;
272 }
273 default:
274 fatal(err_msg("bad tag = %d", dp->tag()));
275 }
276 }
277 return NULL;
278 }
280 // Translate a bci to its corresponding data, or NULL.
281 ciProfileData* ciMethodData::bci_to_data(int bci, ciMethod* m) {
282 // If m is not NULL we look for a SpeculativeTrapData entry
283 if (m == NULL) {
284 ciProfileData* data = data_before(bci);
285 for ( ; is_valid(data); data = next_data(data)) {
286 if (data->bci() == bci) {
287 set_hint_di(dp_to_di(data->dp()));
288 return data;
289 } else if (data->bci() > bci) {
290 break;
291 }
292 }
293 }
294 bool two_free_slots = false;
295 ciProfileData* result = bci_to_extra_data(bci, m, two_free_slots);
296 if (result != NULL) {
297 return result;
298 }
299 if (m != NULL && !two_free_slots) {
300 // We were looking for a SpeculativeTrapData entry we didn't
301 // find. Room is not available for more SpeculativeTrapData
302 // entries, look in the non SpeculativeTrapData entries.
303 return bci_to_data(bci, NULL);
304 }
305 return NULL;
306 }
308 // Conservatively decode the trap_state of a ciProfileData.
309 int ciMethodData::has_trap_at(ciProfileData* data, int reason) {
310 typedef Deoptimization::DeoptReason DR_t;
311 int per_bc_reason
312 = Deoptimization::reason_recorded_per_bytecode_if_any((DR_t) reason);
313 if (trap_count(reason) == 0) {
314 // Impossible for this trap to have occurred, regardless of trap_state.
315 // Note: This happens if the MDO is empty.
316 return 0;
317 } else if (per_bc_reason == Deoptimization::Reason_none) {
318 // We cannot conclude anything; a trap happened somewhere, maybe here.
319 return -1;
320 } else if (data == NULL) {
321 // No profile here, not even an extra_data record allocated on the fly.
322 // If there are empty extra_data records, and there had been a trap,
323 // there would have been a non-null data pointer. If there are no
324 // free extra_data records, we must return a conservative -1.
325 if (_saw_free_extra_data)
326 return 0; // Q.E.D.
327 else
328 return -1; // bail with a conservative answer
329 } else {
330 return Deoptimization::trap_state_has_reason(data->trap_state(), per_bc_reason);
331 }
332 }
334 int ciMethodData::trap_recompiled_at(ciProfileData* data) {
335 if (data == NULL) {
336 return (_saw_free_extra_data? 0: -1); // (see previous method)
337 } else {
338 return Deoptimization::trap_state_is_recompiled(data->trap_state())? 1: 0;
339 }
340 }
342 void ciMethodData::clear_escape_info() {
343 VM_ENTRY_MARK;
344 MethodData* mdo = get_MethodData();
345 if (mdo != NULL) {
346 mdo->clear_escape_info();
347 ArgInfoData *aid = arg_info();
348 int arg_count = (aid == NULL) ? 0 : aid->number_of_args();
349 for (int i = 0; i < arg_count; i++) {
350 set_arg_modified(i, 0);
351 }
352 }
353 _eflags = _arg_local = _arg_stack = _arg_returned = 0;
354 }
356 // copy our escape info to the MethodData* if it exists
357 void ciMethodData::update_escape_info() {
358 VM_ENTRY_MARK;
359 MethodData* mdo = get_MethodData();
360 if ( mdo != NULL) {
361 mdo->set_eflags(_eflags);
362 mdo->set_arg_local(_arg_local);
363 mdo->set_arg_stack(_arg_stack);
364 mdo->set_arg_returned(_arg_returned);
365 int arg_count = mdo->method()->size_of_parameters();
366 for (int i = 0; i < arg_count; i++) {
367 mdo->set_arg_modified(i, arg_modified(i));
368 }
369 }
370 }
372 void ciMethodData::set_compilation_stats(short loops, short blocks) {
373 VM_ENTRY_MARK;
374 MethodData* mdo = get_MethodData();
375 if (mdo != NULL) {
376 mdo->set_num_loops(loops);
377 mdo->set_num_blocks(blocks);
378 }
379 }
381 void ciMethodData::set_would_profile(bool p) {
382 VM_ENTRY_MARK;
383 MethodData* mdo = get_MethodData();
384 if (mdo != NULL) {
385 mdo->set_would_profile(p);
386 }
387 }
389 void ciMethodData::set_argument_type(int bci, int i, ciKlass* k) {
390 VM_ENTRY_MARK;
391 MethodData* mdo = get_MethodData();
392 if (mdo != NULL) {
393 ProfileData* data = mdo->bci_to_data(bci);
394 if (data->is_CallTypeData()) {
395 data->as_CallTypeData()->set_argument_type(i, k->get_Klass());
396 } else {
397 assert(data->is_VirtualCallTypeData(), "no arguments!");
398 data->as_VirtualCallTypeData()->set_argument_type(i, k->get_Klass());
399 }
400 }
401 }
403 void ciMethodData::set_parameter_type(int i, ciKlass* k) {
404 VM_ENTRY_MARK;
405 MethodData* mdo = get_MethodData();
406 if (mdo != NULL) {
407 mdo->parameters_type_data()->set_type(i, k->get_Klass());
408 }
409 }
411 void ciMethodData::set_return_type(int bci, ciKlass* k) {
412 VM_ENTRY_MARK;
413 MethodData* mdo = get_MethodData();
414 if (mdo != NULL) {
415 ProfileData* data = mdo->bci_to_data(bci);
416 if (data->is_CallTypeData()) {
417 data->as_CallTypeData()->set_return_type(k->get_Klass());
418 } else {
419 assert(data->is_VirtualCallTypeData(), "no arguments!");
420 data->as_VirtualCallTypeData()->set_return_type(k->get_Klass());
421 }
422 }
423 }
425 bool ciMethodData::has_escape_info() {
426 return eflag_set(MethodData::estimated);
427 }
429 void ciMethodData::set_eflag(MethodData::EscapeFlag f) {
430 set_bits(_eflags, f);
431 }
433 void ciMethodData::clear_eflag(MethodData::EscapeFlag f) {
434 clear_bits(_eflags, f);
435 }
437 bool ciMethodData::eflag_set(MethodData::EscapeFlag f) const {
438 return mask_bits(_eflags, f) != 0;
439 }
441 void ciMethodData::set_arg_local(int i) {
442 set_nth_bit(_arg_local, i);
443 }
445 void ciMethodData::set_arg_stack(int i) {
446 set_nth_bit(_arg_stack, i);
447 }
449 void ciMethodData::set_arg_returned(int i) {
450 set_nth_bit(_arg_returned, i);
451 }
453 void ciMethodData::set_arg_modified(int arg, uint val) {
454 ArgInfoData *aid = arg_info();
455 if (aid == NULL)
456 return;
457 assert(arg >= 0 && arg < aid->number_of_args(), "valid argument number");
458 aid->set_arg_modified(arg, val);
459 }
461 bool ciMethodData::is_arg_local(int i) const {
462 return is_set_nth_bit(_arg_local, i);
463 }
465 bool ciMethodData::is_arg_stack(int i) const {
466 return is_set_nth_bit(_arg_stack, i);
467 }
469 bool ciMethodData::is_arg_returned(int i) const {
470 return is_set_nth_bit(_arg_returned, i);
471 }
473 uint ciMethodData::arg_modified(int arg) const {
474 ArgInfoData *aid = arg_info();
475 if (aid == NULL)
476 return 0;
477 assert(arg >= 0 && arg < aid->number_of_args(), "valid argument number");
478 return aid->arg_modified(arg);
479 }
481 ByteSize ciMethodData::offset_of_slot(ciProfileData* data, ByteSize slot_offset_in_data) {
482 // Get offset within MethodData* of the data array
483 ByteSize data_offset = MethodData::data_offset();
485 // Get cell offset of the ProfileData within data array
486 int cell_offset = dp_to_di(data->dp());
488 // Add in counter_offset, the # of bytes into the ProfileData of counter or flag
489 int offset = in_bytes(data_offset) + cell_offset + in_bytes(slot_offset_in_data);
491 return in_ByteSize(offset);
492 }
494 ciArgInfoData *ciMethodData::arg_info() const {
495 // Should be last, have to skip all traps.
496 DataLayout* dp = data_layout_at(data_size());
497 DataLayout* end = data_layout_at(data_size() + extra_data_size());
498 for (; dp < end; dp = MethodData::next_extra(dp)) {
499 if (dp->tag() == DataLayout::arg_info_data_tag)
500 return new ciArgInfoData(dp);
501 }
502 return NULL;
503 }
506 // Implementation of the print method.
507 void ciMethodData::print_impl(outputStream* st) {
508 ciMetadata::print_impl(st);
509 }
511 void ciMethodData::dump_replay_data(outputStream* out) {
512 ResourceMark rm;
513 MethodData* mdo = get_MethodData();
514 Method* method = mdo->method();
515 Klass* holder = method->method_holder();
516 out->print("ciMethodData %s %s %s %d %d",
517 holder->name()->as_quoted_ascii(),
518 method->name()->as_quoted_ascii(),
519 method->signature()->as_quoted_ascii(),
520 _state,
521 current_mileage());
523 // dump the contents of the MDO header as raw data
524 unsigned char* orig = (unsigned char*)&_orig;
525 int length = sizeof(_orig);
526 out->print(" orig %d", length);
527 for (int i = 0; i < length; i++) {
528 out->print(" %d", orig[i]);
529 }
531 // dump the MDO data as raw data
532 int elements = data_size() / sizeof(intptr_t);
533 out->print(" data %d", elements);
534 for (int i = 0; i < elements; i++) {
535 // We could use INTPTR_FORMAT here but that's a zero justified
536 // which makes comparing it with the SA version of this output
537 // harder.
538 #ifdef _LP64
539 out->print(" 0x%" FORMAT64_MODIFIER "x", data()[i]);
540 #else
541 out->print(" 0x%x", data()[i]);
542 #endif
543 }
545 // The MDO contained oop references as ciObjects, so scan for those
546 // and emit pairs of offset and klass name so that they can be
547 // reconstructed at runtime. The first round counts the number of
548 // oop references and the second actually emits them.
549 int count = 0;
550 for (int round = 0; round < 2; round++) {
551 if (round == 1) out->print(" oops %d", count);
552 ProfileData* pdata = first_data();
553 for ( ; is_valid(pdata); pdata = next_data(pdata)) {
554 if (pdata->is_ReceiverTypeData()) {
555 ciReceiverTypeData* vdata = (ciReceiverTypeData*)pdata;
556 for (uint i = 0; i < vdata->row_limit(); i++) {
557 ciKlass* k = vdata->receiver(i);
558 if (k != NULL) {
559 if (round == 0) {
560 count++;
561 } else {
562 out->print(" %d %s", (int)(dp_to_di(vdata->dp() + in_bytes(vdata->receiver_offset(i))) / sizeof(intptr_t)), k->name()->as_quoted_ascii());
563 }
564 }
565 }
566 } else if (pdata->is_VirtualCallData()) {
567 ciVirtualCallData* vdata = (ciVirtualCallData*)pdata;
568 for (uint i = 0; i < vdata->row_limit(); i++) {
569 ciKlass* k = vdata->receiver(i);
570 if (k != NULL) {
571 if (round == 0) {
572 count++;
573 } else {
574 out->print(" %d %s", (int)(dp_to_di(vdata->dp() + in_bytes(vdata->receiver_offset(i))) / sizeof(intptr_t)), k->name()->as_quoted_ascii());
575 }
576 }
577 }
578 }
579 }
580 }
581 out->cr();
582 }
584 #ifndef PRODUCT
585 void ciMethodData::print() {
586 print_data_on(tty);
587 }
589 void ciMethodData::print_data_on(outputStream* st) {
590 ResourceMark rm;
591 ciProfileData* data;
592 for (data = first_data(); is_valid(data); data = next_data(data)) {
593 st->print("%d", dp_to_di(data->dp()));
594 st->fill_to(6);
595 data->print_data_on(st);
596 }
597 st->print_cr("--- Extra data:");
598 DataLayout* dp = data_layout_at(data_size());
599 DataLayout* end = data_layout_at(data_size() + extra_data_size());
600 for (;; dp = MethodData::next_extra(dp)) {
601 assert(dp < end, "moved past end of extra data");
602 switch (dp->tag()) {
603 case DataLayout::no_tag:
604 continue;
605 case DataLayout::bit_data_tag:
606 data = new BitData(dp);
607 break;
608 case DataLayout::arg_info_data_tag:
609 data = new ciArgInfoData(dp);
610 dp = end; // ArgInfoData is at the end of extra data section.
611 break;
612 default:
613 fatal(err_msg("unexpected tag %d", dp->tag()));
614 }
615 st->print("%d", dp_to_di(data->dp()));
616 st->fill_to(6);
617 data->print_data_on(st);
618 if (dp >= end) return;
619 }
620 }
622 void ciTypeEntries::print_ciklass(outputStream* st, intptr_t k) {
623 if (TypeEntries::is_type_none(k)) {
624 st->print("none");
625 } else if (TypeEntries::is_type_unknown(k)) {
626 st->print("unknown");
627 } else {
628 valid_ciklass(k)->print_name_on(st);
629 }
630 if (TypeEntries::was_null_seen(k)) {
631 st->print(" (null seen)");
632 }
633 }
635 void ciTypeStackSlotEntries::print_data_on(outputStream* st) const {
636 for (int i = 0; i < _number_of_entries; i++) {
637 _pd->tab(st);
638 st->print("%d: stack (%u) ", i, stack_slot(i));
639 print_ciklass(st, type(i));
640 st->cr();
641 }
642 }
644 void ciReturnTypeEntry::print_data_on(outputStream* st) const {
645 _pd->tab(st);
646 st->print("ret ");
647 print_ciklass(st, type());
648 st->cr();
649 }
651 void ciCallTypeData::print_data_on(outputStream* st, const char* extra) const {
652 print_shared(st, "ciCallTypeData", extra);
653 if (has_arguments()) {
654 tab(st, true);
655 st->print("argument types");
656 args()->print_data_on(st);
657 }
658 if (has_return()) {
659 tab(st, true);
660 st->print("return type");
661 ret()->print_data_on(st);
662 }
663 }
665 void ciReceiverTypeData::print_receiver_data_on(outputStream* st) const {
666 uint row;
667 int entries = 0;
668 for (row = 0; row < row_limit(); row++) {
669 if (receiver(row) != NULL) entries++;
670 }
671 st->print_cr("count(%u) entries(%u)", count(), entries);
672 for (row = 0; row < row_limit(); row++) {
673 if (receiver(row) != NULL) {
674 tab(st);
675 receiver(row)->print_name_on(st);
676 st->print_cr("(%u)", receiver_count(row));
677 }
678 }
679 }
681 void ciReceiverTypeData::print_data_on(outputStream* st, const char* extra) const {
682 print_shared(st, "ciReceiverTypeData", extra);
683 print_receiver_data_on(st);
684 }
686 void ciVirtualCallData::print_data_on(outputStream* st, const char* extra) const {
687 print_shared(st, "ciVirtualCallData", extra);
688 rtd_super()->print_receiver_data_on(st);
689 }
691 void ciVirtualCallTypeData::print_data_on(outputStream* st, const char* extra) const {
692 print_shared(st, "ciVirtualCallTypeData", extra);
693 rtd_super()->print_receiver_data_on(st);
694 if (has_arguments()) {
695 tab(st, true);
696 st->print("argument types");
697 args()->print_data_on(st);
698 }
699 if (has_return()) {
700 tab(st, true);
701 st->print("return type");
702 ret()->print_data_on(st);
703 }
704 }
706 void ciParametersTypeData::print_data_on(outputStream* st, const char* extra) const {
707 st->print_cr("ciParametersTypeData");
708 parameters()->print_data_on(st);
709 }
711 void ciSpeculativeTrapData::print_data_on(outputStream* st, const char* extra) const {
712 st->print_cr("ciSpeculativeTrapData");
713 tab(st);
714 method()->print_short_name(st);
715 st->cr();
716 }
717 #endif