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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_RUNTIME_COMPILER_CALLBACKS_H_
#define ART_RUNTIME_COMPILER_CALLBACKS_H_
#include "base/mutex.h"
#include "class_reference.h"
#include "class_status.h"
namespace art {
class CompilerDriver;
namespace mirror {
class Class;
} // namespace mirror
namespace verifier {
class MethodVerifier;
class VerifierDeps;
} // namespace verifier
class CompilerCallbacks {
public:
enum class CallbackMode { // private
kCompileBootImage,
kCompileApp
};
virtual ~CompilerCallbacks() { }
virtual void MethodVerified(verifier::MethodVerifier* verifier)
REQUIRES_SHARED(Locks::mutator_lock_) = 0;
virtual void ClassRejected(ClassReference ref) = 0;
// Return true if we should attempt to relocate to a random base address if we have not already
// done so. Return false if relocating in this way would be problematic.
virtual bool IsRelocationPossible() = 0;
virtual verifier::VerifierDeps* GetVerifierDeps() const = 0;
virtual void SetVerifierDeps(verifier::VerifierDeps* deps ATTRIBUTE_UNUSED) {}
// Return the class status of a previous stage of the compilation. This can be used, for example,
// when class unloading is enabled during multidex compilation.
virtual ClassStatus GetPreviousClassState(ClassReference ref ATTRIBUTE_UNUSED) {
return ClassStatus::kNotReady;
}
virtual void SetDoesClassUnloading(bool does_class_unloading ATTRIBUTE_UNUSED,
CompilerDriver* compiler_driver ATTRIBUTE_UNUSED) {}
bool IsBootImage() {
return mode_ == CallbackMode::kCompileBootImage;
}
virtual void UpdateClassState(ClassReference ref ATTRIBUTE_UNUSED,
ClassStatus state ATTRIBUTE_UNUSED) {}
virtual bool CanUseOatStatusForVerification(mirror::Class* klass ATTRIBUTE_UNUSED)
REQUIRES_SHARED(Locks::mutator_lock_) {
return false;
}
protected:
explicit CompilerCallbacks(CallbackMode mode) : mode_(mode) { }
private:
// Whether the compiler is creating a boot image.
const CallbackMode mode_;
};
} // namespace art
#endif // ART_RUNTIME_COMPILER_CALLBACKS_H_