Mercurial > hg > graal-compiler
comparison src/share/vm/gc_interface/collectedHeap.hpp @ 989:148e5441d916
6863023: need non-perm oops in code cache for JSR 292
Summary: Make a special root-list for those few nmethods which might contain non-perm oops.
Reviewed-by: twisti, kvn, never, jmasa, ysr
| author | jrose |
|---|---|
| date | Tue, 15 Sep 2009 21:53:47 -0700 |
| parents | df6caf649ff7 |
| children | 54b3b351d6f9 |
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| 987:00977607da34 | 989:148e5441d916 |
|---|---|
| 254 | 254 |
| 255 bool is_in_permanent_or_null(const void *p) const { | 255 bool is_in_permanent_or_null(const void *p) const { |
| 256 return p == NULL || is_in_permanent(p); | 256 return p == NULL || is_in_permanent(p); |
| 257 } | 257 } |
| 258 | 258 |
| 259 // An object is scavengable if its location may move during a scavenge. | |
| 260 // (A scavenge is a GC which is not a full GC.) | |
| 261 // Currently, this just means it is not perm (and not null). | |
| 262 // This could change if we rethink what's in perm-gen. | |
| 263 bool is_scavengable(const void *p) const { | |
| 264 return !is_in_permanent_or_null(p); | |
| 265 } | |
| 266 | |
| 259 // Returns "TRUE" if "p" is a method oop in the | 267 // Returns "TRUE" if "p" is a method oop in the |
| 260 // current heap, with high probability. This predicate | 268 // current heap, with high probability. This predicate |
| 261 // is not stable, in general. | 269 // is not stable, in general. |
| 262 bool is_valid_method(oop p) const; | 270 bool is_valid_method(oop p) const; |
| 263 | 271 |