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/*
* Copyright (C) 2013 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_COMPILER_DEX_VERIFICATION_RESULTS_H_
#define ART_COMPILER_DEX_VERIFICATION_RESULTS_H_
#include <stdint.h>
#include <set>
#include "base/dchecked_vector.h"
#include "base/macros.h"
#include "base/mutex.h"
#include "base/safe_map.h"
#include "dex/class_reference.h"
#include "dex/method_reference.h"
#include "utils/atomic_dex_ref_map.h"
namespace art {
namespace verifier {
class MethodVerifier;
class VerifierDepsTest;
} // namespace verifier
class CompilerOptions;
class VerifiedMethod;
// Used by CompilerCallbacks to track verification information from the Runtime.
class VerificationResults {
public:
explicit VerificationResults(const CompilerOptions* compiler_options);
~VerificationResults();
void ProcessVerifiedMethod(verifier::MethodVerifier* method_verifier)
REQUIRES_SHARED(Locks::mutator_lock_)
REQUIRES(!verified_methods_lock_);
void CreateVerifiedMethodFor(MethodReference ref)
REQUIRES(!verified_methods_lock_);
const VerifiedMethod* GetVerifiedMethod(MethodReference ref) const
REQUIRES(!verified_methods_lock_);
void AddRejectedClass(ClassReference ref) REQUIRES(!rejected_classes_lock_);
bool IsClassRejected(ClassReference ref) const REQUIRES(!rejected_classes_lock_);
bool IsCandidateForCompilation(MethodReference& method_ref, const uint32_t access_flags) const;
// Add a dex file to enable using the atomic map.
void AddDexFile(const DexFile* dex_file) REQUIRES(!verified_methods_lock_);
private:
// Verified methods. The method array is fixed to avoid needing a lock to extend it.
using AtomicMap = AtomicDexRefMap<MethodReference, const VerifiedMethod*>;
using VerifiedMethodMap = SafeMap<MethodReference, const VerifiedMethod*>;
VerifiedMethodMap verified_methods_ GUARDED_BY(verified_methods_lock_);
const CompilerOptions* const compiler_options_;
// Dex2oat can add dex files to atomic_verified_methods_ to avoid locking when calling
// GetVerifiedMethod.
AtomicMap atomic_verified_methods_;
// TODO: External locking during CompilerDriver::PreCompile(), no locking during compilation.
mutable ReaderWriterMutex verified_methods_lock_ DEFAULT_MUTEX_ACQUIRED_AFTER;
// Rejected classes.
// TODO: External locking during CompilerDriver::PreCompile(), no locking during compilation.
mutable ReaderWriterMutex rejected_classes_lock_ DEFAULT_MUTEX_ACQUIRED_AFTER;
std::set<ClassReference> rejected_classes_ GUARDED_BY(rejected_classes_lock_);
friend class verifier::VerifierDepsTest;
};
} // namespace art
#endif // ART_COMPILER_DEX_VERIFICATION_RESULTS_H_