1 /*
2 * Copyright (C) 2011 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 "art_field.h"
18
19 #include "art_field-inl.h"
20 #include "base/utils.h"
21 #include "class_linker-inl.h"
22 #include "dex/descriptors_names.h"
23 #include "gc/accounting/card_table-inl.h"
24 #include "handle_scope.h"
25 #include "mirror/class-inl.h"
26 #include "mirror/object-inl.h"
27 #include "mirror/object_array-inl.h"
28 #include "runtime.h"
29 #include "scoped_thread_state_change-inl.h"
30 #include "well_known_classes.h"
31
32 namespace art {
33
SetOffset(MemberOffset num_bytes)34 void ArtField::SetOffset(MemberOffset num_bytes) {
35 DCHECK(GetDeclaringClass()->IsLoaded() || GetDeclaringClass()->IsErroneous());
36 if (kIsDebugBuild && Runtime::Current()->IsAotCompiler() &&
37 Runtime::Current()->IsCompilingBootImage()) {
38 Primitive::Type type = GetTypeAsPrimitiveType();
39 if (type == Primitive::kPrimDouble || type == Primitive::kPrimLong) {
40 DCHECK_ALIGNED(num_bytes.Uint32Value(), 8);
41 }
42 }
43 // Not called within a transaction.
44 offset_ = num_bytes.Uint32Value();
45 }
46
ProxyFindSystemClass(const char * descriptor)47 ObjPtr<mirror::Class> ArtField::ProxyFindSystemClass(const char* descriptor) {
48 DCHECK(GetDeclaringClass()->IsProxyClass());
49 ObjPtr<mirror::Class> klass = Runtime::Current()->GetClassLinker()->LookupClass(
50 Thread::Current(), descriptor, /* class_loader */ nullptr);
51 DCHECK(klass != nullptr);
52 return klass;
53 }
54
ResolveGetStringName(Thread * self,dex::StringIndex string_idx,ObjPtr<mirror::DexCache> dex_cache)55 ObjPtr<mirror::String> ArtField::ResolveGetStringName(Thread* self,
56 dex::StringIndex string_idx,
57 ObjPtr<mirror::DexCache> dex_cache) {
58 StackHandleScope<1> hs(self);
59 return Runtime::Current()->GetClassLinker()->ResolveString(string_idx, hs.NewHandle(dex_cache));
60 }
61
PrettyField(ArtField * f,bool with_type)62 std::string ArtField::PrettyField(ArtField* f, bool with_type) {
63 if (f == nullptr) {
64 return "null";
65 }
66 return f->PrettyField(with_type);
67 }
68
PrettyField(bool with_type)69 std::string ArtField::PrettyField(bool with_type) {
70 std::string result;
71 if (with_type) {
72 result += PrettyDescriptor(GetTypeDescriptor());
73 result += ' ';
74 }
75 std::string temp;
76 result += PrettyDescriptor(GetDeclaringClass()->GetDescriptor(&temp));
77 result += '.';
78 result += GetName();
79 return result;
80 }
81
GetAccessFlagsDCheck()82 void ArtField::GetAccessFlagsDCheck() {
83 CHECK(GetDeclaringClass()->IsLoaded() || GetDeclaringClass()->IsErroneous());
84 }
85
GetOffsetDCheck()86 void ArtField::GetOffsetDCheck() {
87 CHECK(GetDeclaringClass()->IsResolved());
88 }
89
90 } // namespace art
91