1/* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#ifndef ART_RUNTIME_LOCK_WORD_INL_H_ 18#define ART_RUNTIME_LOCK_WORD_INL_H_ 19 20#include "lock_word.h" 21#include "monitor_pool.h" 22 23namespace art { 24 25inline uint32_t LockWord::ThinLockOwner() const { 26 DCHECK_EQ(GetState(), kThinLocked); 27 return (value_ >> kThinLockOwnerShift) & kThinLockOwnerMask; 28} 29 30inline uint32_t LockWord::ThinLockCount() const { 31 DCHECK_EQ(GetState(), kThinLocked); 32 return (value_ >> kThinLockCountShift) & kThinLockCountMask; 33} 34 35inline Monitor* LockWord::FatLockMonitor() const { 36 DCHECK_EQ(GetState(), kFatLocked); 37 MonitorId mon_id = static_cast<MonitorId>(value_ & ~(kStateMask << kStateShift)); 38 return MonitorPool::MonitorFromMonitorId(mon_id); 39} 40 41inline size_t LockWord::ForwardingAddress() const { 42 DCHECK_EQ(GetState(), kForwardingAddress); 43 return static_cast<size_t>(value_ << kStateSize); 44} 45 46inline LockWord::LockWord() : value_(0) { 47 DCHECK_EQ(GetState(), kUnlocked); 48} 49 50inline LockWord::LockWord(Monitor* mon) 51 : value_(mon->GetMonitorId() | (kStateFat << kStateShift)) { 52 DCHECK_EQ(FatLockMonitor(), mon); 53} 54 55inline int32_t LockWord::GetHashCode() const { 56 DCHECK_EQ(GetState(), kHashCode); 57 return (value_ >> kHashShift) & kHashMask; 58} 59 60} // namespace art 61 62#endif // ART_RUNTIME_LOCK_WORD_INL_H_ 63