< prev index next > src/hotspot/share/cds/archiveHeapLoader.cpp
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#include "cds/cdsConfig.hpp"
#include "cds/heapShared.hpp"
#include "cds/metaspaceShared.hpp"
#include "classfile/classLoaderDataShared.hpp"
#include "classfile/systemDictionaryShared.hpp"
+ #include "classfile/vmClasses.hpp"
#include "gc/shared/collectedHeap.hpp"
#include "logging/log.hpp"
#include "memory/iterator.inline.hpp"
#include "memory/resourceArea.hpp"
#include "memory/universe.hpp"
HeapWord* top = (HeapWord*)_loaded_heap_top;
Universe::heap()->fill_with_objects(bottom, top - bottom);
}
}
+ oop ArchiveHeapLoader::oop_from_offset(int offset) {
+ // Once GC starts, the offsets saved in CachedCodeDirectoryInternal::_permanent_oop_offsets
+ // will become invalid. I don't know what function can check if GCs are allowed, but surely
+ // GCs can't happen before the Object class is loaded.
+ assert(CDSConfig::is_using_archive(), "sanity");
+ assert(vmClasses::Object_klass()->class_loader_data() == nullptr,
+ "can be called only very early during VM start-up");
+ if (is_loaded()) {
+ return cast_to_oop(_loaded_heap_bottom + offset);
+ } else {
+ assert(is_mapped(), "must be");
+ return cast_to_oop(_mapped_heap_bottom + offset);
+ }
+ }
+
class PatchNativePointers: public BitMapClosure {
Metadata** _start;
public:
PatchNativePointers(Metadata** start) : _start(start) {}
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