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_H_
18#define ART_RUNTIME_VERIFY_OBJECT_H_
19
20#include <stdint.h>
21
22#include "base/macros.h"
23
24namespace art {
25
26namespace mirror {
27  class Class;
28  class Object;
29}  // namespace mirror
30
31// How we want to sanity check the heap's correctness.
32enum VerifyObjectMode {
33  kVerifyObjectModeDisabled,  // Heap verification is disabled.
34  kVerifyObjectModeFast,  // Sanity heap accesses quickly by using VerifyClassClass.
35  kVerifyObjectModeAll  // Sanity heap accesses thoroughly.
36};
37
38enum VerifyObjectFlags {
39  kVerifyNone = 0x0,
40  // Verify self when we are doing an operation.
41  kVerifyThis = 0x1,
42  // Verify reads from objects.
43  kVerifyReads = 0x2,
44  // Verify writes to objects.
45  kVerifyWrites = 0x4,
46  // Verify all things.
47  kVerifyAll = kVerifyThis | kVerifyReads | kVerifyWrites,
48};
49
50static constexpr bool kVerifyStack = kIsDebugBuild;
51static constexpr VerifyObjectFlags kDefaultVerifyFlags = kVerifyNone;
52static constexpr VerifyObjectMode kVerifyObjectSupport =
53    kDefaultVerifyFlags != 0 ? kVerifyObjectModeFast : kVerifyObjectModeDisabled;
54
55ALWAYS_INLINE void VerifyObject(mirror::Object* obj) NO_THREAD_SAFETY_ANALYSIS;
56
57// Check that c.getClass() == c.getClass().getClass().
58ALWAYS_INLINE bool VerifyClassClass(mirror::Class* c) NO_THREAD_SAFETY_ANALYSIS;
59
60}  // namespace art
61
62#endif  // ART_RUNTIME_VERIFY_OBJECT_H_
63