Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/gc_implementation/g1/heapRegion.cpp
src/share/vm/gc_implementation/g1/heapRegion.cpp
- changeset 6992
- 2c6ef90f030a
- parent 6990
- 1526a938e670
- child 7009
- 3f2894c5052e
equal
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inserted
replaced
| 6991:882004b9e7e1 | 6992:2c6ef90f030a |
|---|---|
| 397 void HeapRegion::note_self_forwarding_removal_start(bool during_initial_mark, | 397 void HeapRegion::note_self_forwarding_removal_start(bool during_initial_mark, |
| 398 bool during_conc_mark) { | 398 bool during_conc_mark) { |
| 399 // We always recreate the prev marking info and we'll explicitly | 399 // We always recreate the prev marking info and we'll explicitly |
| 400 // mark all objects we find to be self-forwarded on the prev | 400 // mark all objects we find to be self-forwarded on the prev |
| 401 // bitmap. So all objects need to be below PTAMS. | 401 // bitmap. So all objects need to be below PTAMS. |
| 402 _prev_top_at_mark_start = top(); | |
| 403 _prev_marked_bytes = 0; | 402 _prev_marked_bytes = 0; |
| 404 | 403 |
| 405 if (during_initial_mark) { | 404 if (during_initial_mark) { |
| 406 // During initial-mark, we'll also explicitly mark all objects | 405 // During initial-mark, we'll also explicitly mark all objects |
| 407 // we find to be self-forwarded on the next bitmap. So all | 406 // we find to be self-forwarded on the next bitmap. So all |
| 421 bool during_conc_mark, | 420 bool during_conc_mark, |
| 422 size_t marked_bytes) { | 421 size_t marked_bytes) { |
| 423 assert(0 <= marked_bytes && marked_bytes <= used(), | 422 assert(0 <= marked_bytes && marked_bytes <= used(), |
| 424 err_msg("marked: "SIZE_FORMAT" used: "SIZE_FORMAT, | 423 err_msg("marked: "SIZE_FORMAT" used: "SIZE_FORMAT, |
| 425 marked_bytes, used())); | 424 marked_bytes, used())); |
| 425 _prev_top_at_mark_start = top(); | |
| 426 _prev_marked_bytes = marked_bytes; | 426 _prev_marked_bytes = marked_bytes; |
| 427 } | 427 } |
| 428 | 428 |
| 429 HeapWord* | 429 HeapWord* |
| 430 HeapRegion::object_iterate_mem_careful(MemRegion mr, | 430 HeapRegion::object_iterate_mem_careful(MemRegion mr, |
| 905 while (p < top()) { | 905 while (p < top()) { |
| 906 oop obj = oop(p); | 906 oop obj = oop(p); |
| 907 size_t obj_size = block_size(p); | 907 size_t obj_size = block_size(p); |
| 908 object_num += 1; | 908 object_num += 1; |
| 909 | 909 |
| 910 if (is_humongous != g1->isHumongous(obj_size)) { | 910 if (is_humongous != g1->isHumongous(obj_size) && |
| 911 !g1->is_obj_dead(obj, this)) { // Dead objects may have bigger block_size since they span several objects. | |
| 911 gclog_or_tty->print_cr("obj "PTR_FORMAT" is of %shumongous size (" | 912 gclog_or_tty->print_cr("obj "PTR_FORMAT" is of %shumongous size (" |
| 912 SIZE_FORMAT" words) in a %shumongous region", | 913 SIZE_FORMAT" words) in a %shumongous region", |
| 913 p, g1->isHumongous(obj_size) ? "" : "non-", | 914 p, g1->isHumongous(obj_size) ? "" : "non-", |
| 914 obj_size, is_humongous ? "" : "non-"); | 915 obj_size, is_humongous ? "" : "non-"); |
| 915 *failures = true; | 916 *failures = true; |
| 916 return; | 917 return; |
| 917 } | 918 } |
| 918 | 919 |
| 919 // If it returns false, verify_for_object() will output the | 920 // If it returns false, verify_for_object() will output the |
| 920 // appropriate messasge. | 921 // appropriate messasge. |
| 921 if (do_bot_verify && !_offsets.verify_for_object(p, obj_size)) { | 922 if (do_bot_verify && |
| 923 !g1->is_obj_dead(obj, this) && | |
| 924 !_offsets.verify_for_object(p, obj_size)) { | |
| 922 *failures = true; | 925 *failures = true; |
| 923 return; | 926 return; |
| 924 } | 927 } |
| 925 | 928 |
| 926 if (!g1->is_obj_dead_cond(obj, this, vo)) { | 929 if (!g1->is_obj_dead_cond(obj, this, vo)) { |
| 927 if (obj->is_oop()) { | 930 if (obj->is_oop()) { |
| 928 Klass* klass = obj->klass(); | 931 Klass* klass = obj->klass(); |
| 929 if (!klass->is_metaspace_object()) { | 932 bool is_metaspace_object = Metaspace::contains(klass) || |
| 933 (vo == VerifyOption_G1UsePrevMarking && | |
| 934 ClassLoaderDataGraph::unload_list_contains(klass)); | |
| 935 if (!is_metaspace_object) { | |
| 930 gclog_or_tty->print_cr("klass "PTR_FORMAT" of object "PTR_FORMAT" " | 936 gclog_or_tty->print_cr("klass "PTR_FORMAT" of object "PTR_FORMAT" " |
| 931 "not metadata", klass, (void *)obj); | 937 "not metadata", klass, (void *)obj); |
| 932 *failures = true; | 938 *failures = true; |
| 933 return; | 939 return; |
| 934 } else if (!klass->is_klass()) { | 940 } else if (!klass->is_klass()) { |
