src/hotspot/share/memory/heapShared.inline.hpp
author iklam
Tue, 14 Aug 2018 09:59:37 -0700
changeset 51491 187c84a5efe1
child 51720 b7bfd64e43a6
permissions -rw-r--r--
8208658: Make CDS archived heap regions usable even if compressed oop encoding has changed Summary: Relocate and patch archive regions if necessary Reviewed-by: jiangli, tschatzl

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#ifndef SHARE_VM_MEMORY_HEAPSHARED_INLINE_HPP
#define SHARE_VM_MEMORY_HEAPSHARED_INLINE_HPP

#include "oops/compressedOops.inline.hpp"
#include "memory/heapShared.hpp"

#if INCLUDE_CDS_JAVA_HEAP

inline oop HeapShared::decode_with_archived_oop_encoding_mode(narrowOop v) {
  assert(!CompressedOops::is_null(v), "narrow oop value can never be zero");
  oop result = (oop)(void*)((uintptr_t)_narrow_oop_base + ((uintptr_t)v << _narrow_oop_shift));
  assert(check_obj_alignment(result), "address not aligned: " INTPTR_FORMAT, p2i((void*) result));
  return result;
}

#endif

#endif // SHARE_VM_MEMORY_HEAPSHARED_INLINE_HPP