1 /*
2  * Copyright (C) 2017 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 #include "verify_object-inl.h"
18 
19 #include "base/bit_utils.h"
20 #include "gc/heap.h"
21 #include "mirror/object-inl.h"
22 #include "obj_ptr-inl.h"
23 #include "runtime.h"
24 #include "runtime_globals.h"
25 
26 namespace art {
27 
VerifyObjectImpl(ObjPtr<mirror::Object> obj)28 void VerifyObjectImpl(ObjPtr<mirror::Object> obj) {
29   if (kVerifyObjectSupport > kVerifyObjectModeFast) {
30     // Slow object verification, try the heap right away.
31     Runtime::Current()->GetHeap()->VerifyObjectBody(obj);
32   } else {
33     // Fast object verification, only call the heap if our quick checks fail.
34     // The heap will print the diagnostic message.
35     bool failed = !IsAligned<kObjectAlignment>(obj.Ptr());
36     if (!failed) {
37       mirror::Class* c = obj->GetClass<kVerifyNone>();
38       failed = failed || !IsAligned<kObjectAlignment>(c);
39       failed = failed || !VerifyClassClass(c);
40     }
41     if (UNLIKELY(failed)) {
42       Runtime::Current()->GetHeap()->VerifyObjectBody(obj);
43     }
44   }
45 }
46 
47 }  // namespace art
48