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8227175: ZGC: ZHeapIterator visits potentially dead objects

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Reviewed-by: zgu, eosterlund
This commit is contained in:
Stefan Karlsson 2019-06-10 13:04:12 +02:00
parent 24f58a0ac0
commit 02a31bf561
23 changed files with 395 additions and 187 deletions
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12
src/hotspot/share/memory/iterator.inline.hpp
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@ -39,13 +39,17 @@
#include "oops/typeArrayKlass.inline.hpp"
#include "utilities/debug.hpp"
inline void MetadataVisitingOopIterateClosure::do_cld(ClassLoaderData* cld) {
cld->oops_do(this, ClassLoaderData::_claim_strong);
// Defaults to strong claiming.
inline MetadataVisitingOopIterateClosure::MetadataVisitingOopIterateClosure(ReferenceDiscoverer* rd) :
ClaimMetadataVisitingOopIterateClosure(ClassLoaderData::_claim_strong, rd) {}
inline void ClaimMetadataVisitingOopIterateClosure::do_cld(ClassLoaderData* cld) {
cld->oops_do(this, _claim);
}
inline void MetadataVisitingOopIterateClosure::do_klass(Klass* k) {
inline void ClaimMetadataVisitingOopIterateClosure::do_klass(Klass* k) {
ClassLoaderData* cld = k->class_loader_data();
MetadataVisitingOopIterateClosure::do_cld(cld);
ClaimMetadataVisitingOopIterateClosure::do_cld(cld);
}
#ifdef ASSERT