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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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9
hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/cmsOopClosures.hpp
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@ -53,14 +53,12 @@ class MarkRefsIntoClosure: public OopsInGenClosure {
public:
MarkRefsIntoClosure(MemRegion span, CMSBitMap* bitMap,
bool should_do_nmethods);
bool should_do_nmethods() { return _should_do_nmethods; }
virtual void do_oop(oop* p);
virtual void do_oop(narrowOop* p);
inline void do_oop_nv(oop* p) { MarkRefsIntoClosure::do_oop_work(p); }
inline void do_oop_nv(narrowOop* p) { MarkRefsIntoClosure::do_oop_work(p); }
bool do_header() { return true; }
virtual const bool do_nmethods() const {
return _should_do_nmethods;
}
Prefetch::style prefetch_style() {
return Prefetch::do_read;
}
@ -79,14 +77,12 @@ class MarkRefsIntoVerifyClosure: public OopsInGenClosure {
public:
MarkRefsIntoVerifyClosure(MemRegion span, CMSBitMap* verification_bm,
CMSBitMap* cms_bm, bool should_do_nmethods);
bool should_do_nmethods() { return _should_do_nmethods; }
virtual void do_oop(oop* p);
virtual void do_oop(narrowOop* p);
inline void do_oop_nv(oop* p) { MarkRefsIntoVerifyClosure::do_oop_work(p); }
inline void do_oop_nv(narrowOop* p) { MarkRefsIntoVerifyClosure::do_oop_work(p); }
bool do_header() { return true; }
virtual const bool do_nmethods() const {
return _should_do_nmethods;
}
Prefetch::style prefetch_style() {
return Prefetch::do_read;
}
@ -194,7 +190,6 @@ class MarkRefsIntoAndScanClosure: public OopsInGenClosure {
inline void do_oop_nv(oop* p) { MarkRefsIntoAndScanClosure::do_oop_work(p); }
inline void do_oop_nv(narrowOop* p) { MarkRefsIntoAndScanClosure::do_oop_work(p); }
bool do_header() { return true; }
virtual const bool do_nmethods() const { return true; }
Prefetch::style prefetch_style() {
return Prefetch::do_read;
}