mirror of
https://github.com/openharmony/ark_runtime_core.git
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wanyanglan
14c9021696
Signed-off-by: wanyanglan <wanyanglan1@huawei.com> Change-Id: I2564094cef9c6c41263e37faf9ffbbec14223dc7
98 lines
2.7 KiB
C++
98 lines
2.7 KiB
C++
/*
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* Copyright (c) 2021 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "runtime/mark_word.h"
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namespace panda {
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template <bool HashPolicy>
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inline uint32_t MarkWord::GetHashConfigured() const
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{
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LOG_IF(GetState() != STATE_HASHED, DEBUG, RUNTIME) << "Wrong State";
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return static_cast<uint32_t>((Value() >> HASH_SHIFT) & HASH_MASK);
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}
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template <>
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inline uint32_t MarkWord::GetHashConfigured<false>() const
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{
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LOG(ERROR, RUNTIME) << "Hash is not stored inside object header!";
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return 0;
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}
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uint32_t MarkWord::GetHash() const
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{
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return GetHashConfigured<CONFIG_IS_HASH_IN_OBJ_HEADER>();
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}
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template <bool HashPolicy>
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inline MarkWord MarkWord::DecodeFromHashConfigured(uint32_t hash)
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{
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// Clear hash and status bits
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markWordSize temp = Value() & (~(HASH_MASK_IN_PLACE | STATUS_MASK_IN_PLACE));
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markWordSize hash_in_place = (static_cast<markWordSize>(hash) & HASH_MASK) << HASH_SHIFT;
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return MarkWord(temp | hash_in_place | (STATUS_HASHED << STATUS_SHIFT));
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}
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template <>
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inline MarkWord MarkWord::DecodeFromHashConfigured<false>(uint32_t hash)
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{
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(void)hash;
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LOG(ERROR, RUNTIME) << "Hash is not stored inside object header!";
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return MarkWord(0);
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}
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MarkWord MarkWord::DecodeFromHash(uint32_t hash)
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{
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return DecodeFromHashConfigured<CONFIG_IS_HASH_IN_OBJ_HEADER>(hash);
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}
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template <bool HashPolicy>
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inline MarkWord MarkWord::SetHashedConfigured()
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{
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LOG(ERROR, RUNTIME) << "Hash is stored inside object header and we don't use hash status bit!";
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return MarkWord(0);
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}
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template <>
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inline MarkWord MarkWord::SetHashedConfigured<false>()
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{
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return MarkWord((Value() & (~HASH_STATUS_MASK_IN_PLACE)) | HASH_STATUS_MASK_IN_PLACE);
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}
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inline MarkWord MarkWord::SetHashed()
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{
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return SetHashedConfigured<CONFIG_IS_HASH_IN_OBJ_HEADER>();
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}
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template <bool HashPolicy>
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inline bool MarkWord::IsHashedConfigured() const
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{
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LOG(ERROR, RUNTIME) << "Hash is stored inside object header and we don't use hash status bit!";
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return false;
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}
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template <>
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inline bool MarkWord::IsHashedConfigured<false>() const
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{
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return (Value() & HASH_STATUS_MASK_IN_PLACE) != 0U;
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}
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inline bool MarkWord::IsHashed() const
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{
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return IsHashedConfigured<CONFIG_IS_HASH_IN_OBJ_HEADER>();
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}
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} // namespace panda
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