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8204585: Remove IN_ARCHIVE_ROOT from Access API

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Replaced Access API with API on heap.

Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com>
Reviewed-by: jiangli, coleenp, tschatzl
This commit is contained in:
Kim Barrett 2018-06-12 18:12:59 -04:00
parent ea01772a00
commit df34500027
14 changed files with 71 additions and 59 deletions
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12
src/hotspot/share/oops/cpCache.cpp
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@ -32,6 +32,7 @@
#include "logging/log.hpp"
#include "memory/metadataFactory.hpp"
#include "memory/metaspaceClosure.hpp"
#include "memory/metaspaceShared.hpp"
#include "memory/resourceArea.hpp"
#include "memory/universe.hpp"
#include "oops/access.inline.hpp"
@ -743,16 +744,15 @@ void ConstantPoolCache::deallocate_contents(ClassLoaderData* data) {
#if INCLUDE_CDS_JAVA_HEAP
oop ConstantPoolCache::archived_references() {
// Loading an archive root forces the oop to become strongly reachable.
// For example, if it is loaded during concurrent marking in a SATB
// collector, it will be enqueued to the SATB queue, effectively
// shading the previously white object gray.
return RootAccess<IN_ARCHIVE_ROOT>::oop_load(&_archived_references);
if (CompressedOops::is_null(_archived_references)) {
return NULL;
}
return MetaspaceShared::materialize_archived_object(CompressedOops::decode_not_null(_archived_references));
}
void ConstantPoolCache::set_archived_references(oop o) {
assert(DumpSharedSpaces, "called only during runtime");
RootAccess<IN_ARCHIVE_ROOT>::oop_store(&_archived_references, o);
_archived_references = CompressedOops::encode(o);
}
#endif