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_RUNTIME_COMPILER_CALLBACKS_H_ 18 #define ART_RUNTIME_COMPILER_CALLBACKS_H_ 19 20 #include "base/locks.h" 21 #include "dex/class_reference.h" 22 #include "class_status.h" 23 24 namespace art { 25 26 class CompilerDriver; 27 28 namespace mirror { 29 30 class Class; 31 32 } // namespace mirror 33 34 namespace verifier { 35 36 class MethodVerifier; 37 class VerifierDeps; 38 39 } // namespace verifier 40 41 class CompilerCallbacks { 42 public: 43 enum class CallbackMode { // private 44 kCompileBootImage, 45 kCompileApp 46 }; 47 ~CompilerCallbacks()48 virtual ~CompilerCallbacks() { } 49 50 virtual void MethodVerified(verifier::MethodVerifier* verifier) 51 REQUIRES_SHARED(Locks::mutator_lock_) = 0; 52 virtual void ClassRejected(ClassReference ref) = 0; 53 54 virtual verifier::VerifierDeps* GetVerifierDeps() const = 0; SetVerifierDeps(verifier::VerifierDeps * deps ATTRIBUTE_UNUSED)55 virtual void SetVerifierDeps(verifier::VerifierDeps* deps ATTRIBUTE_UNUSED) {} 56 57 // Return the class status of a previous stage of the compilation. This can be used, for example, 58 // when class unloading is enabled during multidex compilation. GetPreviousClassState(ClassReference ref ATTRIBUTE_UNUSED)59 virtual ClassStatus GetPreviousClassState(ClassReference ref ATTRIBUTE_UNUSED) { 60 return ClassStatus::kNotReady; 61 } 62 SetDoesClassUnloading(bool does_class_unloading ATTRIBUTE_UNUSED,CompilerDriver * compiler_driver ATTRIBUTE_UNUSED)63 virtual void SetDoesClassUnloading(bool does_class_unloading ATTRIBUTE_UNUSED, 64 CompilerDriver* compiler_driver ATTRIBUTE_UNUSED) {} 65 IsBootImage()66 bool IsBootImage() { 67 return mode_ == CallbackMode::kCompileBootImage; 68 } 69 UpdateClassState(ClassReference ref ATTRIBUTE_UNUSED,ClassStatus state ATTRIBUTE_UNUSED)70 virtual void UpdateClassState(ClassReference ref ATTRIBUTE_UNUSED, 71 ClassStatus state ATTRIBUTE_UNUSED) {} 72 CanUseOatStatusForVerification(mirror::Class * klass ATTRIBUTE_UNUSED)73 virtual bool CanUseOatStatusForVerification(mirror::Class* klass ATTRIBUTE_UNUSED) 74 REQUIRES_SHARED(Locks::mutator_lock_) { 75 return false; 76 } 77 78 protected: CompilerCallbacks(CallbackMode mode)79 explicit CompilerCallbacks(CallbackMode mode) : mode_(mode) { } 80 81 private: 82 // Whether the compiler is creating a boot image. 83 const CallbackMode mode_; 84 }; 85 86 } // namespace art 87 88 #endif // ART_RUNTIME_COMPILER_CALLBACKS_H_ 89