class_ext.cc revision d62515891b15e73bc8eebb55cc09cb4dec4fcf21 
1/*
2 * Copyright (C) 2016 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 "class_ext.h"
18
19#include "art_method-inl.h"
20#include "base/casts.h"
21#include "base/enums.h"
22#include "class-inl.h"
23#include "dex_file-inl.h"
24#include "gc/accounting/card_table-inl.h"
25#include "object-inl.h"
26#include "object_array.h"
27#include "object_array-inl.h"
28#include "stack_trace_element.h"
29#include "utils.h"
30#include "well_known_classes.h"
31
32namespace art {
33namespace mirror {
34
35GcRoot<Class> ClassExt::dalvik_system_ClassExt_;
36
37ClassExt* ClassExt::Alloc(Thread* self) {
38  DCHECK(dalvik_system_ClassExt_.Read() != nullptr);
39  return down_cast<ClassExt*>(dalvik_system_ClassExt_.Read()->AllocObject(self).Ptr());
40}
41
42void ClassExt::SetVerifyError(ObjPtr<Object> err) {
43  if (Runtime::Current()->IsActiveTransaction()) {
44    SetFieldObject<true>(OFFSET_OF_OBJECT_MEMBER(ClassExt, verify_error_), err);
45  } else {
46    SetFieldObject<false>(OFFSET_OF_OBJECT_MEMBER(ClassExt, verify_error_), err);
47  }
48}
49
50void ClassExt::SetClass(ObjPtr<Class> dalvik_system_ClassExt) {
51  CHECK(dalvik_system_ClassExt != nullptr);
52  dalvik_system_ClassExt_ = GcRoot<Class>(dalvik_system_ClassExt);
53}
54
55void ClassExt::ResetClass() {
56  CHECK(!dalvik_system_ClassExt_.IsNull());
57  dalvik_system_ClassExt_ = GcRoot<Class>(nullptr);
58}
59
60void ClassExt::VisitRoots(RootVisitor* visitor) {
61  dalvik_system_ClassExt_.VisitRootIfNonNull(visitor, RootInfo(kRootStickyClass));
62}
63
64}  // namespace mirror
65}  // namespace art
66