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8223215: Shenandoah: Support verifying subset of roots

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Reviewed-by: shade, rkennke
This commit is contained in:
Zhengyu Gu 2019-05-15 08:58:23 -04:00
parent 48b04f9a08
commit 53845dabdc
7 changed files with 170 additions and 38 deletions
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26
src/hotspot/share/gc/shenandoah/shenandoahRootProcessor.cpp
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@ -75,32 +75,6 @@ ShenandoahRootProcessor::~ShenandoahRootProcessor() {
ShenandoahHeap::heap()->phase_timings()->record_workers_end(_phase);
}
void ShenandoahRootProcessor::process_all_roots_slow(OopClosure* oops) {
CLDToOopClosure clds(oops, ClassLoaderData::_claim_strong);
CodeBlobToOopClosure blobs(oops, !CodeBlobToOopClosure::FixRelocations);
CodeCache::blobs_do(&blobs);
ClassLoaderDataGraph::cld_do(&clds);
Universe::oops_do(oops);
Management::oops_do(oops);
JvmtiExport::oops_do(oops);
JNIHandles::oops_do(oops);
ObjectSynchronizer::oops_do(oops);
SystemDictionary::oops_do(oops);
AlwaysTrueClosure always_true;
WeakProcessor::weak_oops_do(&always_true, oops);
if (ShenandoahStringDedup::is_enabled()) {
ShenandoahStringDedup::oops_do_slow(oops);
}
// Do thread roots the last. This allows verification code to find
// any broken objects from those special roots first, not the accidental
// dangling reference from the thread root.
Threads::possibly_parallel_oops_do(false, oops, &blobs);
}
void ShenandoahRootProcessor::process_strong_roots(OopClosure* oops,
CLDClosure* clds,
CodeBlobClosure* blobs,