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8246340: Move SystemDictionary GC roots into OopStorage

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Use vm_global() OopStorage for system dictionary roots

Reviewed-by: eosterlund, lfoltan
This commit is contained in:
Coleen Phillimore 2020-06-05 09:55:31 -04:00
parent 06e47d05b6
commit 498b0e61ed
31 changed files with 149 additions and 167 deletions
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8
src/hotspot/share/gc/shenandoah/shenandoahRootProcessor.cpp
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@ -26,7 +26,6 @@
#include "classfile/classLoaderDataGraph.hpp"
#include "classfile/stringTable.hpp"
#include "classfile/systemDictionary.hpp"
#include "code/codeCache.hpp"
#include "code/nmethod.hpp"
#include "gc/shenandoah/shenandoahClosures.inline.hpp"
@ -55,16 +54,10 @@ void ShenandoahSerialRoot::oops_do(OopClosure* cl, uint worker_id) {
}
}
// Overwrite the second argument for SD::oops_do, don't include vm global oop storage.
static void system_dictionary_oops_do(OopClosure* cl) {
SystemDictionary::oops_do(cl, false);
}
ShenandoahSerialRoots::ShenandoahSerialRoots(ShenandoahPhaseTimings::Phase phase) :
_universe_root(&Universe::oops_do, phase, ShenandoahPhaseTimings::UniverseRoots),
_object_synchronizer_root(&ObjectSynchronizer::oops_do, phase, ShenandoahPhaseTimings::ObjectSynchronizerRoots),
_management_root(&Management::oops_do, phase, ShenandoahPhaseTimings::ManagementRoots),
_system_dictionary_root(&system_dictionary_oops_do, phase, ShenandoahPhaseTimings::SystemDictionaryRoots),
_jvmti_root(&JvmtiExport::oops_do, phase, ShenandoahPhaseTimings::JVMTIRoots) {
}
@ -72,7 +65,6 @@ void ShenandoahSerialRoots::oops_do(OopClosure* cl, uint worker_id) {
_universe_root.oops_do(cl, worker_id);
_object_synchronizer_root.oops_do(cl, worker_id);
_management_root.oops_do(cl, worker_id);
_system_dictionary_root.oops_do(cl, worker_id);
_jvmti_root.oops_do(cl, worker_id);
}