Mercurial > hg > truffle
comparison src/share/vm/oops/klass.hpp @ 12056:740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
8016729: ObjectAlignmentInBytes=16 now forces the use of heap based compressed oops
8005933: The -Xshare:auto option is ignored for -server
Summary: Move klass metaspace above the heap and support CDS with compressed klass ptrs.
Reviewed-by: coleenp, kvn, mgerdin, tschatzl, stefank
| author | hseigel |
|---|---|
| date | Thu, 15 Aug 2013 20:04:10 -0400 |
| parents | 71180a6e5080 |
| children | 58fc8e2b7b6d b51aee2dd8bb |
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| 12055:d96f52012aaa | 12056:740e263c80c6 |
|---|---|
| 701 void verify_vtable_index(int index); | 701 void verify_vtable_index(int index); |
| 702 #endif | 702 #endif |
| 703 | 703 |
| 704 virtual void oop_verify_on(oop obj, outputStream* st); | 704 virtual void oop_verify_on(oop obj, outputStream* st); |
| 705 | 705 |
| 706 static bool is_null(narrowKlass obj); | |
| 707 static bool is_null(Klass* obj); | |
| 708 | |
| 709 // klass encoding for klass pointer in objects. | |
| 710 static narrowKlass encode_klass_not_null(Klass* v); | |
| 711 static narrowKlass encode_klass(Klass* v); | |
| 712 | |
| 713 static Klass* decode_klass_not_null(narrowKlass v); | |
| 714 static Klass* decode_klass(narrowKlass v); | |
| 715 | |
| 706 private: | 716 private: |
| 707 // barriers used by klass_oop_store | 717 // barriers used by klass_oop_store |
| 708 void klass_update_barrier_set(oop v); | 718 void klass_update_barrier_set(oop v); |
| 709 void klass_update_barrier_set_pre(void* p, oop v); | 719 void klass_update_barrier_set_pre(void* p, oop v); |
| 710 }; | 720 }; |