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 "cds/archiveHeapWriter.hpp"
27 #include "cds/cdsConfig.hpp"
28 #include "cds/filemap.hpp"
29 #include "cds/heapShared.hpp"
30 #include "classfile/javaClasses.hpp"
31 #include "classfile/systemDictionary.hpp"
32 #include "gc/shared/collectedHeap.hpp"
33 #include "memory/iterator.inline.hpp"
34 #include "memory/oopFactory.hpp"
35 #include "memory/universe.hpp"
36 #include "oops/compressedOops.hpp"
37 #include "oops/objArrayOop.inline.hpp"
38 #include "oops/oop.inline.hpp"
39 #include "oops/oopHandle.inline.hpp"
40 #include "oops/typeArrayKlass.hpp"
41 #include "oops/typeArrayOop.hpp"
42 #include "runtime/java.hpp"
43 #include "runtime/mutexLocker.hpp"
44 #include "utilities/bitMap.inline.hpp"
45 #if INCLUDE_G1GC
46 #include "gc/g1/g1CollectedHeap.hpp"
47 #include "gc/g1/g1HeapRegion.hpp"
48 #endif
49
50 #if INCLUDE_CDS_JAVA_HEAP
51
52 GrowableArrayCHeap<u1, mtClassShared>* ArchiveHeapWriter::_buffer = nullptr;
53
54 // The following are offsets from buffer_bottom()
55 size_t ArchiveHeapWriter::_buffer_used;
56
57 // Heap root segments
58 HeapRootSegments ArchiveHeapWriter::_heap_root_segments;
59
60 address ArchiveHeapWriter::_requested_bottom;
61 address ArchiveHeapWriter::_requested_top;
62
63 GrowableArrayCHeap<ArchiveHeapWriter::NativePointerInfo, mtClassShared>* ArchiveHeapWriter::_native_pointers;
64 GrowableArrayCHeap<oop, mtClassShared>* ArchiveHeapWriter::_source_objs;
65 GrowableArrayCHeap<ArchiveHeapWriter::HeapObjOrder, mtClassShared>* ArchiveHeapWriter::_source_objs_order;
66
67 ArchiveHeapWriter::BufferOffsetToSourceObjectTable*
68 ArchiveHeapWriter::_buffer_offset_to_source_obj_table = nullptr;
69
70
71 typedef ResourceHashtable<
72 size_t, // offset of a filler from ArchiveHeapWriter::buffer_bottom()
73 size_t, // size of this filler (in bytes)
74 127, // prime number
75 AnyObj::C_HEAP,
76 mtClassShared> FillersTable;
77 static FillersTable* _fillers;
78 static int _num_native_ptrs = 0;
79
80 void ArchiveHeapWriter::init() {
81 if (HeapShared::can_write()) {
82 Universe::heap()->collect(GCCause::_java_lang_system_gc);
303 _source_objs_order->append(os);
304 }
305 log_info(cds)("computed ranks");
306 _source_objs_order->sort(compare_objs_by_oop_fields);
307 log_info(cds)("sorting heap objects done");
308 }
309
310 void ArchiveHeapWriter::copy_source_objs_to_buffer(GrowableArrayCHeap<oop, mtClassShared>* roots) {
311 // There could be multiple root segments, which we want to be aligned by region.
312 // Putting them ahead of objects makes sure we waste no space.
313 copy_roots_to_buffer(roots);
314
315 sort_source_objs();
316 for (int i = 0; i < _source_objs_order->length(); i++) {
317 int src_obj_index = _source_objs_order->at(i)._index;
318 oop src_obj = _source_objs->at(src_obj_index);
319 HeapShared::CachedOopInfo* info = HeapShared::archived_object_cache()->get(src_obj);
320 assert(info != nullptr, "must be");
321 size_t buffer_offset = copy_one_source_obj_to_buffer(src_obj);
322 info->set_buffer_offset(buffer_offset);
323
324 _buffer_offset_to_source_obj_table->put_when_absent(buffer_offset, src_obj);
325 _buffer_offset_to_source_obj_table->maybe_grow();
326 }
327
328 log_info(cds)("Size of heap region = " SIZE_FORMAT " bytes, %d objects, %d roots, %d native ptrs",
329 _buffer_used, _source_objs->length() + 1, roots->length(), _num_native_ptrs);
330 }
331
332 size_t ArchiveHeapWriter::filler_array_byte_size(int length) {
333 size_t byte_size = objArrayOopDesc::object_size(length) * HeapWordSize;
334 return byte_size;
335 }
336
337 int ArchiveHeapWriter::filler_array_length(size_t fill_bytes) {
338 assert(is_object_aligned(fill_bytes), "must be");
339 size_t elemSize = (UseCompressedOops ? sizeof(narrowOop) : sizeof(oop));
340
341 int initial_length = to_array_length(fill_bytes / elemSize);
342 for (int length = initial_length; length >= 0; length --) {
343 size_t array_byte_size = filler_array_byte_size(length);
344 if (array_byte_size == fill_bytes) {
345 return length;
346 }
347 }
348
349 ShouldNotReachHere();
398 _fillers->put(buffered_address_to_offset((address)filler), fill_bytes);
399 }
400 }
401
402 size_t ArchiveHeapWriter::get_filler_size_at(address buffered_addr) {
403 size_t* p = _fillers->get(buffered_address_to_offset(buffered_addr));
404 if (p != nullptr) {
405 assert(*p > 0, "filler must be larger than zero bytes");
406 return *p;
407 } else {
408 return 0; // buffered_addr is not a filler
409 }
410 }
411
412 template <typename T>
413 void update_buffered_object_field(address buffered_obj, int field_offset, T value) {
414 T* field_addr = cast_to_oop(buffered_obj)->field_addr<T>(field_offset);
415 *field_addr = value;
416 }
417
418 size_t ArchiveHeapWriter::copy_one_source_obj_to_buffer(oop src_obj) {
419 assert(!is_too_large_to_archive(src_obj), "already checked");
420 size_t byte_size = src_obj->size() * HeapWordSize;
421 assert(byte_size > 0, "no zero-size objects");
422
423 // For region-based collectors such as G1, the archive heap may be mapped into
424 // multiple regions. We need to make sure that we don't have an object that can possible
425 // span across two regions.
426 maybe_fill_gc_region_gap(byte_size);
427
428 size_t new_used = _buffer_used + byte_size;
429 assert(new_used > _buffer_used, "no wrap around");
430
431 size_t cur_min_region_bottom = align_down(_buffer_used, MIN_GC_REGION_ALIGNMENT);
432 size_t next_min_region_bottom = align_down(new_used, MIN_GC_REGION_ALIGNMENT);
433 assert(cur_min_region_bottom == next_min_region_bottom, "no object should cross minimal GC region boundaries");
434
435 ensure_buffer_space(new_used);
436
437 address from = cast_from_oop<address>(src_obj);
438 address to = offset_to_buffered_address<address>(_buffer_used);
668 oop* addr = (oop*)(buffered_obj + objArrayOopDesc::obj_at_offset<oop>(i));
669 relocate_field_in_buffer<oop>(addr, heap_info->oopmap());
670 }
671 }
672 }
673
674 compute_ptrmap(heap_info);
675
676 size_t total_bytes = (size_t)_buffer->length();
677 log_bitmap_usage("oopmap", heap_info->oopmap(), total_bytes / (UseCompressedOops ? sizeof(narrowOop) : sizeof(oop)));
678 log_bitmap_usage("ptrmap", heap_info->ptrmap(), total_bytes / sizeof(address));
679 }
680
681 void ArchiveHeapWriter::mark_native_pointer(oop src_obj, int field_offset) {
682 Metadata* ptr = src_obj->metadata_field_acquire(field_offset);
683 if (ptr != nullptr) {
684 NativePointerInfo info;
685 info._src_obj = src_obj;
686 info._field_offset = field_offset;
687 _native_pointers->append(info);
688 HeapShared::set_has_native_pointers(src_obj);
689 _num_native_ptrs ++;
690 }
691 }
692
693 // Do we have a jlong/jint field that's actually a pointer to a MetaspaceObj?
694 bool ArchiveHeapWriter::is_marked_as_native_pointer(ArchiveHeapInfo* heap_info, oop src_obj, int field_offset) {
695 HeapShared::CachedOopInfo* p = HeapShared::archived_object_cache()->get(src_obj);
696 assert(p != nullptr, "must be");
697
698 // requested_field_addr = the address of this field in the requested space
699 oop requested_obj = requested_obj_from_buffer_offset(p->buffer_offset());
700 Metadata** requested_field_addr = (Metadata**)(cast_from_oop<address>(requested_obj) + field_offset);
701 assert((Metadata**)_requested_bottom <= requested_field_addr && requested_field_addr < (Metadata**) _requested_top, "range check");
702
703 BitMap::idx_t idx = requested_field_addr - (Metadata**) _requested_bottom;
704 // Leading zeros have been removed so some addresses may not be in the ptrmap
705 size_t start_pos = FileMapInfo::current_info()->heap_ptrmap_start_pos();
706 if (idx < start_pos) {
707 return false;
726 // requested_field_addr = the address of this field in the requested space
727 oop requested_obj = requested_obj_from_buffer_offset(p->buffer_offset());
728 Metadata** requested_field_addr = (Metadata**)(cast_from_oop<address>(requested_obj) + field_offset);
729 assert(bottom <= requested_field_addr && requested_field_addr < top, "range check");
730
731 // Mark this field in the bitmap
732 BitMap::idx_t idx = requested_field_addr - bottom;
733 heap_info->ptrmap()->set_bit(idx);
734 num_non_null_ptrs ++;
735 max_idx = MAX2(max_idx, idx);
736
737 // Set the native pointer to the requested address of the metadata (at runtime, the metadata will have
738 // this address if the RO/RW regions are mapped at the default location).
739
740 Metadata** buffered_field_addr = requested_addr_to_buffered_addr(requested_field_addr);
741 Metadata* native_ptr = *buffered_field_addr;
742 guarantee(native_ptr != nullptr, "sanity");
743 guarantee(ArchiveBuilder::current()->has_been_buffered((address)native_ptr),
744 "Metadata %p should have been archived", native_ptr);
745
746 address buffered_native_ptr = ArchiveBuilder::current()->get_buffered_addr((address)native_ptr);
747 address requested_native_ptr = ArchiveBuilder::current()->to_requested(buffered_native_ptr);
748 *buffered_field_addr = (Metadata*)requested_native_ptr;
749 }
750
751 heap_info->ptrmap()->resize(max_idx + 1);
752 log_info(cds, heap)("calculate_ptrmap: marked %d non-null native pointers for heap region (" SIZE_FORMAT " bits)",
753 num_non_null_ptrs, size_t(heap_info->ptrmap()->size()));
754 }
755
756 #endif // INCLUDE_CDS_JAVA_HEAP
|
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 "cds/archiveHeapWriter.hpp"
27 #include "cds/cdsConfig.hpp"
28 #include "cds/filemap.hpp"
29 #include "cds/heapShared.hpp"
30 #include "cds/regeneratedClasses.hpp"
31 #include "classfile/javaClasses.hpp"
32 #include "classfile/systemDictionary.hpp"
33 #include "gc/shared/collectedHeap.hpp"
34 #include "memory/iterator.inline.hpp"
35 #include "memory/oopFactory.hpp"
36 #include "memory/universe.hpp"
37 #include "oops/compressedOops.hpp"
38 #include "oops/objArrayOop.inline.hpp"
39 #include "oops/oop.inline.hpp"
40 #include "oops/oopHandle.inline.hpp"
41 #include "oops/typeArrayKlass.hpp"
42 #include "oops/typeArrayOop.hpp"
43 #include "runtime/java.hpp"
44 #include "runtime/mutexLocker.hpp"
45 #include "utilities/bitMap.inline.hpp"
46 #if INCLUDE_G1GC
47 #include "gc/g1/g1CollectedHeap.hpp"
48 #include "gc/g1/g1HeapRegion.hpp"
49 #endif
50
51 #if INCLUDE_CDS_JAVA_HEAP
52
53 GrowableArrayCHeap<u1, mtClassShared>* ArchiveHeapWriter::_buffer = nullptr;
54
55 // The following are offsets from buffer_bottom()
56 size_t ArchiveHeapWriter::_buffer_used;
57
58 // Heap root segments
59 HeapRootSegments ArchiveHeapWriter::_heap_root_segments;
60
61 address ArchiveHeapWriter::_requested_bottom;
62 address ArchiveHeapWriter::_requested_top;
63
64 static size_t _num_strings = 0;
65 static size_t _string_bytes = 0;
66 static size_t _num_packages = 0;
67 static size_t _num_protection_domains = 0;
68
69 GrowableArrayCHeap<ArchiveHeapWriter::NativePointerInfo, mtClassShared>* ArchiveHeapWriter::_native_pointers;
70 GrowableArrayCHeap<oop, mtClassShared>* ArchiveHeapWriter::_source_objs;
71 GrowableArrayCHeap<ArchiveHeapWriter::HeapObjOrder, mtClassShared>* ArchiveHeapWriter::_source_objs_order;
72
73 ArchiveHeapWriter::BufferOffsetToSourceObjectTable*
74 ArchiveHeapWriter::_buffer_offset_to_source_obj_table = nullptr;
75
76
77 typedef ResourceHashtable<
78 size_t, // offset of a filler from ArchiveHeapWriter::buffer_bottom()
79 size_t, // size of this filler (in bytes)
80 127, // prime number
81 AnyObj::C_HEAP,
82 mtClassShared> FillersTable;
83 static FillersTable* _fillers;
84 static int _num_native_ptrs = 0;
85
86 void ArchiveHeapWriter::init() {
87 if (HeapShared::can_write()) {
88 Universe::heap()->collect(GCCause::_java_lang_system_gc);
309 _source_objs_order->append(os);
310 }
311 log_info(cds)("computed ranks");
312 _source_objs_order->sort(compare_objs_by_oop_fields);
313 log_info(cds)("sorting heap objects done");
314 }
315
316 void ArchiveHeapWriter::copy_source_objs_to_buffer(GrowableArrayCHeap<oop, mtClassShared>* roots) {
317 // There could be multiple root segments, which we want to be aligned by region.
318 // Putting them ahead of objects makes sure we waste no space.
319 copy_roots_to_buffer(roots);
320
321 sort_source_objs();
322 for (int i = 0; i < _source_objs_order->length(); i++) {
323 int src_obj_index = _source_objs_order->at(i)._index;
324 oop src_obj = _source_objs->at(src_obj_index);
325 HeapShared::CachedOopInfo* info = HeapShared::archived_object_cache()->get(src_obj);
326 assert(info != nullptr, "must be");
327 size_t buffer_offset = copy_one_source_obj_to_buffer(src_obj);
328 info->set_buffer_offset(buffer_offset);
329 assert(buffer_offset <= 0x7fffffff, "sanity");
330 HeapShared::add_to_permanent_oop_table(src_obj, (int)buffer_offset);
331
332 _buffer_offset_to_source_obj_table->put_when_absent(buffer_offset, src_obj);
333 _buffer_offset_to_source_obj_table->maybe_grow();
334 }
335
336 log_info(cds)("Size of heap region = " SIZE_FORMAT " bytes, %d objects, %d roots, %d native ptrs",
337 _buffer_used, _source_objs->length() + 1, roots->length(), _num_native_ptrs);
338 log_info(cds)(" strings = " SIZE_FORMAT_W(8) " (" SIZE_FORMAT " bytes)", _num_strings, _string_bytes);
339 log_info(cds)(" packages = " SIZE_FORMAT_W(8), _num_packages);
340 log_info(cds)(" protection domains = " SIZE_FORMAT_W(8),_num_protection_domains);
341 }
342
343 size_t ArchiveHeapWriter::filler_array_byte_size(int length) {
344 size_t byte_size = objArrayOopDesc::object_size(length) * HeapWordSize;
345 return byte_size;
346 }
347
348 int ArchiveHeapWriter::filler_array_length(size_t fill_bytes) {
349 assert(is_object_aligned(fill_bytes), "must be");
350 size_t elemSize = (UseCompressedOops ? sizeof(narrowOop) : sizeof(oop));
351
352 int initial_length = to_array_length(fill_bytes / elemSize);
353 for (int length = initial_length; length >= 0; length --) {
354 size_t array_byte_size = filler_array_byte_size(length);
355 if (array_byte_size == fill_bytes) {
356 return length;
357 }
358 }
359
360 ShouldNotReachHere();
409 _fillers->put(buffered_address_to_offset((address)filler), fill_bytes);
410 }
411 }
412
413 size_t ArchiveHeapWriter::get_filler_size_at(address buffered_addr) {
414 size_t* p = _fillers->get(buffered_address_to_offset(buffered_addr));
415 if (p != nullptr) {
416 assert(*p > 0, "filler must be larger than zero bytes");
417 return *p;
418 } else {
419 return 0; // buffered_addr is not a filler
420 }
421 }
422
423 template <typename T>
424 void update_buffered_object_field(address buffered_obj, int field_offset, T value) {
425 T* field_addr = cast_to_oop(buffered_obj)->field_addr<T>(field_offset);
426 *field_addr = value;
427 }
428
429 void ArchiveHeapWriter::update_stats(oop src_obj) {
430 if (java_lang_String::is_instance(src_obj)) {
431 _num_strings ++;
432 _string_bytes += src_obj->size() * HeapWordSize;
433 _string_bytes += java_lang_String::value(src_obj)->size() * HeapWordSize;
434 } else {
435 Klass* k = src_obj->klass();
436 Symbol* name = k->name();
437 if (name->equals("java/lang/NamedPackage") || name->equals("java/lang/Package")) {
438 _num_packages ++;
439 } else if (name->equals("java/security/ProtectionDomain")) {
440 _num_protection_domains ++;
441 }
442 }
443 }
444
445 size_t ArchiveHeapWriter::copy_one_source_obj_to_buffer(oop src_obj) {
446 update_stats(src_obj);
447
448 assert(!is_too_large_to_archive(src_obj), "already checked");
449 size_t byte_size = src_obj->size() * HeapWordSize;
450 assert(byte_size > 0, "no zero-size objects");
451
452 // For region-based collectors such as G1, the archive heap may be mapped into
453 // multiple regions. We need to make sure that we don't have an object that can possible
454 // span across two regions.
455 maybe_fill_gc_region_gap(byte_size);
456
457 size_t new_used = _buffer_used + byte_size;
458 assert(new_used > _buffer_used, "no wrap around");
459
460 size_t cur_min_region_bottom = align_down(_buffer_used, MIN_GC_REGION_ALIGNMENT);
461 size_t next_min_region_bottom = align_down(new_used, MIN_GC_REGION_ALIGNMENT);
462 assert(cur_min_region_bottom == next_min_region_bottom, "no object should cross minimal GC region boundaries");
463
464 ensure_buffer_space(new_used);
465
466 address from = cast_from_oop<address>(src_obj);
467 address to = offset_to_buffered_address<address>(_buffer_used);
697 oop* addr = (oop*)(buffered_obj + objArrayOopDesc::obj_at_offset<oop>(i));
698 relocate_field_in_buffer<oop>(addr, heap_info->oopmap());
699 }
700 }
701 }
702
703 compute_ptrmap(heap_info);
704
705 size_t total_bytes = (size_t)_buffer->length();
706 log_bitmap_usage("oopmap", heap_info->oopmap(), total_bytes / (UseCompressedOops ? sizeof(narrowOop) : sizeof(oop)));
707 log_bitmap_usage("ptrmap", heap_info->ptrmap(), total_bytes / sizeof(address));
708 }
709
710 void ArchiveHeapWriter::mark_native_pointer(oop src_obj, int field_offset) {
711 Metadata* ptr = src_obj->metadata_field_acquire(field_offset);
712 if (ptr != nullptr) {
713 NativePointerInfo info;
714 info._src_obj = src_obj;
715 info._field_offset = field_offset;
716 _native_pointers->append(info);
717 if (!ArchiveBuilder::current()->has_been_archived((address)ptr)) {
718 // Currently we supporting marking of only Method and Klass, both of which are
719 // subtypes of MetaData.
720 ResourceMark rm;
721 log_error(cds, heap)("Native pointer %p is not archived", ptr);
722 if (((Metadata*)ptr)->is_method()) {
723 log_error(cds, heap)("Method: %s", ((Method*)ptr)->external_name());
724 } else {
725 assert(((Metadata*)ptr)->is_klass(), "must be");
726 log_error(cds, heap)("Klass: %s", ((Klass*)ptr)->external_name());
727 }
728 HeapShared::exit_on_error();
729 }
730 HeapShared::set_has_native_pointers(src_obj);
731 _num_native_ptrs ++;
732 }
733 }
734
735 // Do we have a jlong/jint field that's actually a pointer to a MetaspaceObj?
736 bool ArchiveHeapWriter::is_marked_as_native_pointer(ArchiveHeapInfo* heap_info, oop src_obj, int field_offset) {
737 HeapShared::CachedOopInfo* p = HeapShared::archived_object_cache()->get(src_obj);
738 assert(p != nullptr, "must be");
739
740 // requested_field_addr = the address of this field in the requested space
741 oop requested_obj = requested_obj_from_buffer_offset(p->buffer_offset());
742 Metadata** requested_field_addr = (Metadata**)(cast_from_oop<address>(requested_obj) + field_offset);
743 assert((Metadata**)_requested_bottom <= requested_field_addr && requested_field_addr < (Metadata**) _requested_top, "range check");
744
745 BitMap::idx_t idx = requested_field_addr - (Metadata**) _requested_bottom;
746 // Leading zeros have been removed so some addresses may not be in the ptrmap
747 size_t start_pos = FileMapInfo::current_info()->heap_ptrmap_start_pos();
748 if (idx < start_pos) {
749 return false;
768 // requested_field_addr = the address of this field in the requested space
769 oop requested_obj = requested_obj_from_buffer_offset(p->buffer_offset());
770 Metadata** requested_field_addr = (Metadata**)(cast_from_oop<address>(requested_obj) + field_offset);
771 assert(bottom <= requested_field_addr && requested_field_addr < top, "range check");
772
773 // Mark this field in the bitmap
774 BitMap::idx_t idx = requested_field_addr - bottom;
775 heap_info->ptrmap()->set_bit(idx);
776 num_non_null_ptrs ++;
777 max_idx = MAX2(max_idx, idx);
778
779 // Set the native pointer to the requested address of the metadata (at runtime, the metadata will have
780 // this address if the RO/RW regions are mapped at the default location).
781
782 Metadata** buffered_field_addr = requested_addr_to_buffered_addr(requested_field_addr);
783 Metadata* native_ptr = *buffered_field_addr;
784 guarantee(native_ptr != nullptr, "sanity");
785 guarantee(ArchiveBuilder::current()->has_been_buffered((address)native_ptr),
786 "Metadata %p should have been archived", native_ptr);
787
788 if (RegeneratedClasses::has_been_regenerated((address)native_ptr)) {
789 native_ptr = (Metadata*)RegeneratedClasses::get_regenerated_object((address)native_ptr);
790 }
791
792 address buffered_native_ptr = ArchiveBuilder::current()->get_buffered_addr((address)native_ptr);
793 address requested_native_ptr = ArchiveBuilder::current()->to_requested(buffered_native_ptr);
794 *buffered_field_addr = (Metadata*)requested_native_ptr;
795 }
796
797 heap_info->ptrmap()->resize(max_idx + 1);
798 log_info(cds, heap)("calculate_ptrmap: marked %d non-null native pointers for heap region (" SIZE_FORMAT " bits)",
799 num_non_null_ptrs, size_t(heap_info->ptrmap()->size()));
800 }
801
802 #endif // INCLUDE_CDS_JAVA_HEAP
|