src/hotspot/share/runtime/basicLock.inline.hpp

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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#ifndef SHARE_RUNTIME_BASICLOCK_INLINE_HPP
#define SHARE_RUNTIME_BASICLOCK_INLINE_HPP

#include "runtime/basicLock.hpp"
#include "runtime/objectMonitor.inline.hpp"

inline markWord BasicLock::displaced_header() const {
  assert(LockingMode == LM_LEGACY, "must be");
  return markWord(get_metadata());
}

inline void BasicLock::set_displaced_header(markWord header) {
  assert(LockingMode == LM_LEGACY, "must be");
  Atomic::store(&_metadata, header.value());
}

inline ObjectMonitor* BasicLock::object_monitor_cache() const {
  assert(UseObjectMonitorTable, "must be");
#if !defined(ZERO) && (defined(X86) || defined(AARCH64) || defined(RISCV64) || defined(PPC64) || defined(S390))
  return reinterpret_cast<ObjectMonitor*>(get_metadata());
#else
  // Other platforms do not make use of the cache yet,
  // and are not as careful with maintaining the invariant
  // that the metadata either is nullptr or ObjectMonitor*.
  return nullptr;
#endif
}

inline void BasicLock::clear_object_monitor_cache() {
  assert(UseObjectMonitorTable, "must be");
  set_metadata(0);
}

inline void BasicLock::set_object_monitor_cache(ObjectMonitor* mon) {
  assert(UseObjectMonitorTable, "must be");
  set_metadata(reinterpret_cast<uintptr_t>(mon));
}

#endif // SHARE_RUNTIME_BASICLOCK_INLINE_HPP