Home | History | Annotate | Download | only in runtime 
      1 /*
      2  * Copyright (C) 2014 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_VERIFY_OBJECT_INL_H_
     18 #define ART_RUNTIME_VERIFY_OBJECT_INL_H_
     19 
     20 #include "verify_object.h"
     21 
     22 #include "gc/heap.h"
     23 #include "mirror/class-inl.h"
     24 #include "mirror/object-inl.h"
     25 
     26 namespace art {
     27 
     28 inline void VerifyObject(mirror::Object* obj) {
     29   if (kVerifyObjectSupport > kVerifyObjectModeDisabled && obj != nullptr) {
     30     if (kVerifyObjectSupport > kVerifyObjectModeFast) {
     31       // Slow object verification, try the heap right away.
     32       Runtime::Current()->GetHeap()->VerifyObjectBody(obj);
     33     } else {
     34       // Fast object verification, only call the heap if our quick sanity tests fail. The heap will
     35       // print the diagnostic message.
     36       bool failed = !IsAligned<kObjectAlignment>(obj);
     37       if (!failed) {
     38         mirror::Class* c = obj->GetClass<kVerifyNone>();
     39         failed = failed || !IsAligned<kObjectAlignment>(c);
     40         failed = failed || !VerifyClassClass(c);
     41       }
     42       if (UNLIKELY(failed)) {
     43         Runtime::Current()->GetHeap()->VerifyObjectBody(obj);
     44       }
     45     }
     46   }
     47 }
     48 
     49 inline bool VerifyClassClass(mirror::Class* c) {
     50   if (UNLIKELY(c == nullptr)) {
     51     return false;
     52   }
     53   // Note: We pass in flags to ensure that the accessors don't call VerifyObject.
     54   mirror::Class* c_c = c->GetClass<kVerifyNone>();
     55   return c_c != nullptr && c_c == c_c->GetClass<kVerifyNone>();
     56 }
     57 
     58 }  // namespace art
     59 
     60 #endif  // ART_RUNTIME_VERIFY_OBJECT_INL_H_
     61