1 /*
2 * Copyright (C) 2022 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_INTERPRETER_INTERPRETER_CACHE_INL_H_
18 #define ART_RUNTIME_INTERPRETER_INTERPRETER_CACHE_INL_H_
19
20 #include "interpreter_cache.h"
21
22 #include "thread.h"
23
24 namespace art {
25
Get(Thread * self,const void * key,size_t * value)26 inline bool InterpreterCache::Get(Thread* self, const void* key, /* out */ size_t* value) {
27 DCHECK(self->GetInterpreterCache() == this) << "Must be called from owning thread";
28 Entry& entry = data_[IndexOf(key)];
29 if (LIKELY(entry.first == key)) {
30 *value = entry.second;
31 return true;
32 }
33 return false;
34 }
35
Set(Thread * self,const void * key,size_t value)36 inline void InterpreterCache::Set(Thread* self, const void* key, size_t value) {
37 DCHECK(self->GetInterpreterCache() == this) << "Must be called from owning thread";
38
39 // For simplicity, only update the cache if weak ref accesses are enabled. If
40 // they are disabled, this means the GC is processing the cache, and is
41 // reading it concurrently.
42 if (kUseReadBarrier && self->GetWeakRefAccessEnabled()) {
43 data_[IndexOf(key)] = Entry{key, value};
44 }
45 }
46
47 } // namespace art
48
49 #endif // ART_RUNTIME_INTERPRETER_INTERPRETER_CACHE_INL_H_
50