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6863023: need non-perm oops in code cache for JSR 292

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Make a special root-list for those few nmethods which might contain non-perm oops.

Reviewed-by: twisti, kvn, never, jmasa, ysr
This commit is contained in:
John R Rose 2009-09-15 21:53:47 -07:00
parent 1cf5b7ae11
commit e261aecad8
74 changed files with 979 additions and 279 deletions
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6
hotspot/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.hpp
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@ -799,8 +799,7 @@ class PSParallelCompact : AllStatic {
FollowRootClosure(ParCompactionManager* cm) : _compaction_manager(cm) { }
virtual void do_oop(oop* p);
virtual void do_oop(narrowOop* p);
virtual const bool do_nmethods() const { return true; }
};
};
class FollowStackClosure: public VoidClosure {
private:
@ -817,6 +816,8 @@ class PSParallelCompact : AllStatic {
AdjustPointerClosure(bool is_root) : _is_root(is_root) { }
virtual void do_oop(oop* p);
virtual void do_oop(narrowOop* p);
// do not walk from thread stacks to the code cache on this phase
virtual void do_code_blob(CodeBlob* cb) const { }
};
// Closure for verifying update of pointers. Does not
@ -1062,7 +1063,6 @@ class PSParallelCompact : AllStatic {
MarkAndPushClosure(ParCompactionManager* cm) : _compaction_manager(cm) { }
virtual void do_oop(oop* p);
virtual void do_oop(narrowOop* p);
virtual const bool do_nmethods() const { return true; }
};
PSParallelCompact();