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      1 /*
      2  * Copyright (C) 2013 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_COMPILER_DEX_VERIFICATION_RESULTS_H_
     18 #define ART_COMPILER_DEX_VERIFICATION_RESULTS_H_
     19 
     20 #include <stdint.h>
     21 #include <set>
     22 #include <vector>
     23 
     24 #include "base/macros.h"
     25 #include "base/mutex.h"
     26 #include "class_reference.h"
     27 #include "method_reference.h"
     28 #include "safe_map.h"
     29 
     30 namespace art {
     31 
     32 namespace verifier {
     33 class MethodVerifier;
     34 }  // namespace verifier
     35 
     36 class CompilerOptions;
     37 class VerifiedMethod;
     38 
     39 // Used by CompilerCallbacks to track verification information from the Runtime.
     40 class VerificationResults {
     41   public:
     42     explicit VerificationResults(const CompilerOptions* compiler_options);
     43     ~VerificationResults();
     44 
     45     bool ProcessVerifiedMethod(verifier::MethodVerifier* method_verifier)
     46         SHARED_LOCKS_REQUIRED(Locks::mutator_lock_)
     47         LOCKS_EXCLUDED(verified_methods_lock_);
     48 
     49     const VerifiedMethod* GetVerifiedMethod(MethodReference ref)
     50         LOCKS_EXCLUDED(verified_methods_lock_);
     51 
     52     void AddRejectedClass(ClassReference ref) LOCKS_EXCLUDED(rejected_classes_lock_);
     53     bool IsClassRejected(ClassReference ref) LOCKS_EXCLUDED(rejected_classes_lock_);
     54 
     55     bool IsCandidateForCompilation(MethodReference& method_ref,
     56                                    const uint32_t access_flags);
     57 
     58   private:
     59     const CompilerOptions* const compiler_options_;
     60 
     61     // Verified methods.
     62     typedef SafeMap<MethodReference, const VerifiedMethod*,
     63         MethodReferenceComparator> VerifiedMethodMap;
     64     ReaderWriterMutex verified_methods_lock_ DEFAULT_MUTEX_ACQUIRED_AFTER;
     65     VerifiedMethodMap verified_methods_ GUARDED_BY(verified_methods_lock_);
     66 
     67     // Rejected classes.
     68     ReaderWriterMutex rejected_classes_lock_ DEFAULT_MUTEX_ACQUIRED_AFTER;
     69     std::set<ClassReference> rejected_classes_ GUARDED_BY(rejected_classes_lock_);
     70 };
     71 
     72 }  // namespace art
     73 
     74 #endif  // ART_COMPILER_DEX_VERIFICATION_RESULTS_H_
     75