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 "base/macros.h" 22 #include "class_status.h" 23 #include "dex/class_reference.h" 24 #include "dex/method_reference.h" 25 26 namespace art HIDDEN { 27 28 class ClassLinker; 29 class CompilerDriver; 30 class InternTable; 31 32 namespace mirror { 33 34 class Class; 35 36 } // namespace mirror 37 38 namespace verifier { 39 40 class VerifierDeps; 41 42 } // namespace verifier 43 44 class CompilerCallbacks { 45 public: 46 enum class CallbackMode { // private 47 kCompileBootImage, 48 kCompileApp 49 }; 50 ~CompilerCallbacks()51 virtual ~CompilerCallbacks() { } 52 53 virtual ClassLinker* CreateAotClassLinker(InternTable* intern_table) = 0; 54 55 virtual void AddUncompilableMethod(MethodReference ref) = 0; 56 virtual void AddUncompilableClass(ClassReference ref) = 0; 57 virtual bool IsUncompilableMethod(MethodReference ref) = 0; 58 virtual void ClassRejected(ClassReference ref) = 0; 59 60 virtual verifier::VerifierDeps* GetVerifierDeps() const = 0; SetVerifierDeps(verifier::VerifierDeps * deps)61 virtual void SetVerifierDeps([[maybe_unused]] verifier::VerifierDeps* deps) {} 62 63 // Return the class status of a previous stage of the compilation. This can be used, for example, 64 // when class unloading is enabled during multidex compilation. GetPreviousClassState(ClassReference ref)65 virtual ClassStatus GetPreviousClassState([[maybe_unused]] ClassReference ref) { 66 return ClassStatus::kNotReady; 67 } 68 SetDoesClassUnloading(bool does_class_unloading,CompilerDriver * compiler_driver)69 virtual void SetDoesClassUnloading([[maybe_unused]] bool does_class_unloading, 70 [[maybe_unused]] CompilerDriver* compiler_driver) {} 71 IsBootImage()72 bool IsBootImage() { 73 return mode_ == CallbackMode::kCompileBootImage; 74 } 75 UpdateClassState(ClassReference ref,ClassStatus state)76 virtual void UpdateClassState([[maybe_unused]] ClassReference ref, 77 [[maybe_unused]] ClassStatus state) {} 78 CanUseOatStatusForVerification(mirror::Class * klass)79 virtual bool CanUseOatStatusForVerification([[maybe_unused]] mirror::Class* klass) 80 REQUIRES_SHARED(Locks::mutator_lock_) { 81 return false; 82 } 83 84 protected: CompilerCallbacks(CallbackMode mode)85 explicit CompilerCallbacks(CallbackMode mode) : mode_(mode) { } 86 87 private: 88 // Whether the compiler is creating a boot image. 89 const CallbackMode mode_; 90 }; 91 92 } // namespace art 93 94 #endif // ART_RUNTIME_COMPILER_CALLBACKS_H_ 95