Mercurial > hg > truffle
diff 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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--- a/src/share/vm/gc_interface/collectedHeap.hpp Tue Sep 15 11:09:34 2009 -0700 +++ b/src/share/vm/gc_interface/collectedHeap.hpp Tue Sep 15 21:53:47 2009 -0700 @@ -256,6 +256,14 @@ return p == NULL || is_in_permanent(p); } + // An object is scavengable if its location may move during a scavenge. + // (A scavenge is a GC which is not a full GC.) + // Currently, this just means it is not perm (and not null). + // This could change if we rethink what's in perm-gen. + bool is_scavengable(const void *p) const { + return !is_in_permanent_or_null(p); + } + // Returns "TRUE" if "p" is a method oop in the // current heap, with high probability. This predicate // is not stable, in general.