Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/oops/oop.hpp
src/share/vm/oops/oop.hpp
- changeset 4542
- db9981fd3124
- parent 4129
- 22b8d3d181d9
- child 5528
- 740e263c80c6
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| 4461:46e60405583b | 4542:db9981fd3124 |
|---|---|
| 27 | 27 |
| 28 #include "memory/iterator.hpp" | 28 #include "memory/iterator.hpp" |
| 29 #include "memory/memRegion.hpp" | 29 #include "memory/memRegion.hpp" |
| 30 #include "memory/specialized_oop_closures.hpp" | 30 #include "memory/specialized_oop_closures.hpp" |
| 31 #include "oops/metadata.hpp" | 31 #include "oops/metadata.hpp" |
| 32 #include "utilities/macros.hpp" | |
| 32 #include "utilities/top.hpp" | 33 #include "utilities/top.hpp" |
| 33 | 34 |
| 34 // oopDesc is the top baseclass for objects classes. The {name}Desc classes describe | 35 // oopDesc is the top baseclass for objects classes. The {name}Desc classes describe |
| 35 // the format of Java objects so the fields can be accessed from C++. | 36 // the format of Java objects so the fields can be accessed from C++. |
| 36 // oopDesc is abstract. | 37 // oopDesc is abstract. |
| 296 bool is_gc_marked() const; | 297 bool is_gc_marked() const; |
| 297 // Apply "MarkSweep::mark_and_push" to (the address of) every non-NULL | 298 // Apply "MarkSweep::mark_and_push" to (the address of) every non-NULL |
| 298 // reference field in "this". | 299 // reference field in "this". |
| 299 void follow_contents(void); | 300 void follow_contents(void); |
| 300 | 301 |
| 301 #ifndef SERIALGC | 302 #if INCLUDE_ALL_GCS |
| 302 // Parallel Scavenge | 303 // Parallel Scavenge |
| 303 void push_contents(PSPromotionManager* pm); | 304 void push_contents(PSPromotionManager* pm); |
| 304 | 305 |
| 305 // Parallel Old | 306 // Parallel Old |
| 306 void update_contents(ParCompactionManager* cm); | 307 void update_contents(ParCompactionManager* cm); |
| 307 | 308 |
| 308 void follow_contents(ParCompactionManager* cm); | 309 void follow_contents(ParCompactionManager* cm); |
| 309 #endif // SERIALGC | 310 #endif // INCLUDE_ALL_GCS |
| 310 | 311 |
| 311 bool is_scavengable() const; | 312 bool is_scavengable() const; |
| 312 | 313 |
| 313 // Forward pointer operations for scavenge | 314 // Forward pointer operations for scavenge |
| 314 bool is_forwarded() const; | 315 bool is_forwarded() const; |
| 315 | 316 |
| 316 void forward_to(oop p); | 317 void forward_to(oop p); |
| 317 bool cas_forward_to(oop p, markOop compare); | 318 bool cas_forward_to(oop p, markOop compare); |
| 318 | 319 |
| 319 #ifndef SERIALGC | 320 #if INCLUDE_ALL_GCS |
| 320 // Like "forward_to", but inserts the forwarding pointer atomically. | 321 // Like "forward_to", but inserts the forwarding pointer atomically. |
| 321 // Exactly one thread succeeds in inserting the forwarding pointer, and | 322 // Exactly one thread succeeds in inserting the forwarding pointer, and |
| 322 // this call returns "NULL" for that thread; any other thread has the | 323 // this call returns "NULL" for that thread; any other thread has the |
| 323 // value of the forwarding pointer returned and does not modify "this". | 324 // value of the forwarding pointer returned and does not modify "this". |
| 324 oop forward_to_atomic(oop p); | 325 oop forward_to_atomic(oop p); |
| 325 #endif // SERIALGC | 326 #endif // INCLUDE_ALL_GCS |
| 326 | 327 |
| 327 oop forwardee() const; | 328 oop forwardee() const; |
| 328 | 329 |
| 329 // Age of object during scavenge | 330 // Age of object during scavenge |
| 330 uint age() const; | 331 uint age() const; |
| 332 | 333 |
| 333 // Adjust all pointers in this object to point at it's forwarded location and | 334 // Adjust all pointers in this object to point at it's forwarded location and |
| 334 // return the size of this oop. This is used by the MarkSweep collector. | 335 // return the size of this oop. This is used by the MarkSweep collector. |
| 335 int adjust_pointers(); | 336 int adjust_pointers(); |
| 336 | 337 |
| 337 #ifndef SERIALGC | 338 #if INCLUDE_ALL_GCS |
| 338 // Parallel old | 339 // Parallel old |
| 339 void update_header(ParCompactionManager* cm); | 340 void update_header(ParCompactionManager* cm); |
| 340 #endif // SERIALGC | 341 #endif // INCLUDE_ALL_GCS |
| 341 | 342 |
| 342 // mark-sweep support | 343 // mark-sweep support |
| 343 void follow_body(int begin, int end); | 344 void follow_body(int begin, int end); |
| 344 | 345 |
| 345 // Fast access to barrier set | 346 // Fast access to barrier set |
| 352 int oop_iterate(OopClosureType* blk, MemRegion mr); // Only in mr. | 353 int oop_iterate(OopClosureType* blk, MemRegion mr); // Only in mr. |
| 353 | 354 |
| 354 ALL_OOP_OOP_ITERATE_CLOSURES_1(OOP_ITERATE_DECL) | 355 ALL_OOP_OOP_ITERATE_CLOSURES_1(OOP_ITERATE_DECL) |
| 355 ALL_OOP_OOP_ITERATE_CLOSURES_2(OOP_ITERATE_DECL) | 356 ALL_OOP_OOP_ITERATE_CLOSURES_2(OOP_ITERATE_DECL) |
| 356 | 357 |
| 357 #ifndef SERIALGC | 358 #if INCLUDE_ALL_GCS |
| 358 | 359 |
| 359 #define OOP_ITERATE_BACKWARDS_DECL(OopClosureType, nv_suffix) \ | 360 #define OOP_ITERATE_BACKWARDS_DECL(OopClosureType, nv_suffix) \ |
| 360 int oop_iterate_backwards(OopClosureType* blk); | 361 int oop_iterate_backwards(OopClosureType* blk); |
| 361 | 362 |
| 362 ALL_OOP_OOP_ITERATE_CLOSURES_1(OOP_ITERATE_BACKWARDS_DECL) | 363 ALL_OOP_OOP_ITERATE_CLOSURES_1(OOP_ITERATE_BACKWARDS_DECL) |
