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/object-inl.h"
24
25namespace art {
26
27inline void VerifyObject(mirror::Object* obj) {
28  if (kVerifyObjectSupport > kVerifyObjectModeDisabled && obj != nullptr) {
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 sanity tests fail. The heap will
34      // print the diagnostic message.
35      bool failed = !IsAligned<kObjectAlignment>(obj);
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
48inline bool VerifyClassClass(mirror::Class* c) {
49  if (UNLIKELY(c == nullptr)) {
50    return false;
51  }
52  // Note: We pass in flags to ensure that the accessors don't call VerifyObject.
53  mirror::Class* c_c = c->GetClass<kVerifyNone>();
54  return c_c != nullptr && c_c == c_c->GetClass<kVerifyNone>();
55}
56
57}  // namespace art
58
59#endif  // ART_RUNTIME_VERIFY_OBJECT_INL_H_
60