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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ART_RUNTIME_LOCK_WORD_INL_H_
#define ART_RUNTIME_LOCK_WORD_INL_H_
#include "lock_word.h"
#include "monitor_pool.h"
namespace art {
inline uint32_t LockWord::ThinLockOwner() const {
DCHECK_EQ(GetState(), kThinLocked);
return (value_ >> kThinLockOwnerShift) & kThinLockOwnerMask;
}
inline uint32_t LockWord::ThinLockCount() const {
DCHECK_EQ(GetState(), kThinLocked);
return (value_ >> kThinLockCountShift) & kThinLockCountMask;
}
inline Monitor* LockWord::FatLockMonitor() const {
DCHECK_EQ(GetState(), kFatLocked);
MonitorId mon_id = value_ & ~(kStateMask << kStateShift);
return MonitorPool::MonitorFromMonitorId(mon_id);
}
inline size_t LockWord::ForwardingAddress() const {
DCHECK_EQ(GetState(), kForwardingAddress);
return value_ << kStateSize;
}
inline LockWord::LockWord() : value_(0) {
DCHECK_EQ(GetState(), kUnlocked);
}
inline LockWord::LockWord(Monitor* mon)
: value_(mon->GetMonitorId() | (kStateFat << kStateShift)) {
DCHECK_EQ(FatLockMonitor(), mon);
DCHECK_LE(mon->GetMonitorId(), static_cast<uint32_t>(kMaxMonitorId));
}
inline int32_t LockWord::GetHashCode() const {
DCHECK_EQ(GetState(), kHashCode);
return (value_ >> kHashShift) & kHashMask;
}
} // namespace art
#endif // ART_RUNTIME_LOCK_WORD_INL_H_
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