1 /*
2  * Copyright (C) 2011 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_QUICK_COMPILER_CALLBACKS_H_
18 #define ART_COMPILER_DEX_QUICK_COMPILER_CALLBACKS_H_
19 
20 #include "compiler_callbacks.h"
21 #include "verifier/verifier_deps.h"
22 
23 namespace art {
24 
25 class CompilerDriver;
26 class DexFile;
27 class VerificationResults;
28 
29 class QuickCompilerCallbacks FINAL : public CompilerCallbacks {
30  public:
QuickCompilerCallbacks(CompilerCallbacks::CallbackMode mode)31   explicit QuickCompilerCallbacks(CompilerCallbacks::CallbackMode mode)
32       : CompilerCallbacks(mode), dex_files_(nullptr) {}
33 
~QuickCompilerCallbacks()34   ~QuickCompilerCallbacks() { }
35 
36   void MethodVerified(verifier::MethodVerifier* verifier)
37       REQUIRES_SHARED(Locks::mutator_lock_) OVERRIDE;
38 
39   void ClassRejected(ClassReference ref) OVERRIDE;
40 
41   // We are running in an environment where we can call patchoat safely so we should.
IsRelocationPossible()42   bool IsRelocationPossible() OVERRIDE {
43     return true;
44   }
45 
GetVerifierDeps()46   verifier::VerifierDeps* GetVerifierDeps() const OVERRIDE {
47     return verifier_deps_.get();
48   }
49 
SetVerifierDeps(verifier::VerifierDeps * deps)50   void SetVerifierDeps(verifier::VerifierDeps* deps) OVERRIDE {
51     verifier_deps_.reset(deps);
52   }
53 
SetVerificationResults(VerificationResults * verification_results)54   void SetVerificationResults(VerificationResults* verification_results) {
55     verification_results_ = verification_results;
56   }
57 
58   ClassStatus GetPreviousClassState(ClassReference ref) OVERRIDE;
59 
SetDoesClassUnloading(bool does_class_unloading,CompilerDriver * compiler_driver)60   void SetDoesClassUnloading(bool does_class_unloading, CompilerDriver* compiler_driver)
61       OVERRIDE {
62     does_class_unloading_ = does_class_unloading;
63     compiler_driver_ = compiler_driver;
64     DCHECK(!does_class_unloading || compiler_driver_ != nullptr);
65   }
66 
67   void UpdateClassState(ClassReference ref, ClassStatus state) OVERRIDE;
68 
69   bool CanUseOatStatusForVerification(mirror::Class* klass) OVERRIDE
70       REQUIRES_SHARED(Locks::mutator_lock_);
71 
SetDexFiles(const std::vector<const DexFile * > * dex_files)72   void SetDexFiles(const std::vector<const DexFile*>* dex_files) {
73     dex_files_ = dex_files;
74   }
75 
76  private:
77   VerificationResults* verification_results_ = nullptr;
78   bool does_class_unloading_ = false;
79   CompilerDriver* compiler_driver_ = nullptr;
80   std::unique_ptr<verifier::VerifierDeps> verifier_deps_;
81   const std::vector<const DexFile*>* dex_files_;
82 };
83 
84 }  // namespace art
85 
86 #endif  // ART_COMPILER_DEX_QUICK_COMPILER_CALLBACKS_H_
87