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      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_RUNTIME_VERIFIER_CLASS_VERIFIER_H_
     18 #define ART_RUNTIME_VERIFIER_CLASS_VERIFIER_H_
     19 
     20 #include <string>
     21 
     22 #include <android-base/macros.h>
     23 #include <android-base/thread_annotations.h>
     24 
     25 #include "base/locks.h"
     26 #include "handle.h"
     27 #include "obj_ptr.h"
     28 #include "verifier_enums.h"
     29 
     30 namespace art {
     31 
     32 class CompilerCallbacks;
     33 class DexFile;
     34 class RootVisitor;
     35 class Thread;
     36 
     37 namespace dex {
     38 struct ClassDef;
     39 }  // namespace dex
     40 
     41 namespace mirror {
     42 class Class;
     43 class DexCache;
     44 class ClassLoader;
     45 }  // namespace mirror
     46 
     47 namespace verifier {
     48 
     49 // Verifier that ensures the complete class is OK.
     50 class ClassVerifier {
     51  public:
     52   // Verify a class. Returns "kNoFailure" on success.
     53   static FailureKind VerifyClass(Thread* self,
     54                                  ObjPtr<mirror::Class> klass,
     55                                  CompilerCallbacks* callbacks,
     56                                  bool allow_soft_failures,
     57                                  HardFailLogMode log_level,
     58                                  uint32_t api_level,
     59                                  std::string* error)
     60       REQUIRES_SHARED(Locks::mutator_lock_);
     61   static FailureKind VerifyClass(Thread* self,
     62                                  const DexFile* dex_file,
     63                                  Handle<mirror::DexCache> dex_cache,
     64                                  Handle<mirror::ClassLoader> class_loader,
     65                                  const dex::ClassDef& class_def,
     66                                  CompilerCallbacks* callbacks,
     67                                  bool allow_soft_failures,
     68                                  HardFailLogMode log_level,
     69                                  uint32_t api_level,
     70                                  std::string* error)
     71       REQUIRES_SHARED(Locks::mutator_lock_);
     72 
     73   static void Init() REQUIRES_SHARED(Locks::mutator_lock_);
     74   static void Shutdown();
     75 
     76   static void VisitStaticRoots(RootVisitor* visitor)
     77       REQUIRES_SHARED(Locks::mutator_lock_);
     78 
     79  private:
     80   DISALLOW_COPY_AND_ASSIGN(ClassVerifier);
     81 };
     82 
     83 }  // namespace verifier
     84 }  // namespace art
     85 
     86 #endif  // ART_RUNTIME_VERIFIER_CLASS_VERIFIER_H_
     87