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8253434: Shenandoah: Cleanup ShenandoahRootScanner

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Reviewed-by: rkennke
This commit is contained in:
Zhengyu Gu 2020-09-22 14:03:25 +00:00
parent 8c02bdbf13
commit 3d5fea1f07
3 changed files with 7 additions and 42 deletions
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23
src/hotspot/share/gc/shenandoah/shenandoahRootProcessor.cpp
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@ -168,30 +168,13 @@ ShenandoahRootScanner::~ShenandoahRootScanner() {
}
void ShenandoahRootScanner::roots_do(uint worker_id, OopClosure* oops) {
CLDToOopClosure clds_cl(oops, ClassLoaderData::_claim_strong);
MarkingCodeBlobClosure blobs_cl(oops, !CodeBlobToOopClosure::FixRelocations);
roots_do(worker_id, oops, &clds_cl, &blobs_cl);
roots_do(worker_id, oops, &blobs_cl);
}
void ShenandoahRootScanner::strong_roots_do(uint worker_id, OopClosure* oops) {
CLDToOopClosure clds_cl(oops, ClassLoaderData::_claim_strong);
MarkingCodeBlobClosure blobs_cl(oops, !CodeBlobToOopClosure::FixRelocations);
strong_roots_do(worker_id, oops, &clds_cl, &blobs_cl);
}
void ShenandoahRootScanner::roots_do(uint worker_id, OopClosure* oops, CodeBlobClosure* code, ThreadClosure *tc) {
assert(ShenandoahSafepoint::is_at_shenandoah_safepoint(), "Must be at a safepoint");
void ShenandoahRootScanner::roots_do(uint worker_id, OopClosure* oops, CLDClosure* clds, CodeBlobClosure* code, ThreadClosure *tc) {
assert(!ShenandoahSafepoint::is_at_shenandoah_safepoint() ||
!ShenandoahHeap::heap()->unload_classes(),
"Expect class unloading when Shenandoah cycle is running");
assert(clds != NULL, "Only possible with CLD closure");
ShenandoahParallelOopsDoThreadClosure tc_cl(oops, code, tc);
ResourceMark rm;
_thread_roots.threads_do(&tc_cl, worker_id);
}
void ShenandoahRootScanner::strong_roots_do(uint worker_id, OopClosure* oops, CLDClosure* clds, CodeBlobClosure* code, ThreadClosure* tc) {
assert(ShenandoahHeap::heap()->unload_classes(), "Should be used during class unloading");
ShenandoahParallelOopsDoThreadClosure tc_cl(oops, code, tc);
ResourceMark rm;
_thread_roots.threads_do(&tc_cl, worker_id);