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 #ifndef ART_RUNTIME_METHOD_HELPER_INL_H_
18 #define ART_RUNTIME_METHOD_HELPER_INL_H_
19
20 #include "method_helper.h"
21
22 #include "class_linker.h"
23 #include "mirror/object_array.h"
24 #include "runtime.h"
25 #include "thread-inl.h"
26
27 namespace art {
28
HasSameNameAndSignature(MethodHelper * other)29 inline bool MethodHelper::HasSameNameAndSignature(MethodHelper* other) {
30 const DexFile* dex_file = method_->GetDexFile();
31 const DexFile::MethodId& mid = dex_file->GetMethodId(GetMethod()->GetDexMethodIndex());
32 if (method_->GetDexCache() == other->method_->GetDexCache()) {
33 const DexFile::MethodId& other_mid =
34 dex_file->GetMethodId(other->GetMethod()->GetDexMethodIndex());
35 return mid.name_idx_ == other_mid.name_idx_ && mid.proto_idx_ == other_mid.proto_idx_;
36 }
37 const DexFile* other_dex_file = other->method_->GetDexFile();
38 const DexFile::MethodId& other_mid =
39 other_dex_file->GetMethodId(other->GetMethod()->GetDexMethodIndex());
40 if (!DexFileStringEquals(dex_file, mid.name_idx_, other_dex_file, other_mid.name_idx_)) {
41 return false; // Name mismatch.
42 }
43 return dex_file->GetMethodSignature(mid) == other_dex_file->GetMethodSignature(other_mid);
44 }
45
GetClassFromTypeIdx(uint16_t type_idx,bool resolve)46 inline mirror::Class* MethodHelper::GetClassFromTypeIdx(uint16_t type_idx, bool resolve) {
47 mirror::ArtMethod* method = GetMethod();
48 mirror::Class* type = method->GetDexCacheResolvedType(type_idx);
49 if (type == nullptr && resolve) {
50 type = Runtime::Current()->GetClassLinker()->ResolveType(type_idx, method);
51 CHECK(type != nullptr || Thread::Current()->IsExceptionPending());
52 }
53 return type;
54 }
55
GetReturnType(bool resolve)56 inline mirror::Class* MethodHelper::GetReturnType(bool resolve) {
57 mirror::ArtMethod* method = GetMethod();
58 const DexFile* dex_file = method->GetDexFile();
59 const DexFile::MethodId& method_id = dex_file->GetMethodId(method->GetDexMethodIndex());
60 const DexFile::ProtoId& proto_id = dex_file->GetMethodPrototype(method_id);
61 uint16_t return_type_idx = proto_id.return_type_idx_;
62 return GetClassFromTypeIdx(return_type_idx, resolve);
63 }
64
ResolveString(uint32_t string_idx)65 inline mirror::String* MethodHelper::ResolveString(uint32_t string_idx) {
66 mirror::ArtMethod* method = GetMethod();
67 mirror::Class* declaringClass = method->GetDeclaringClass();
68 mirror::String* s = declaringClass->GetDexCacheStrings()->Get(string_idx);
69 if (UNLIKELY(s == nullptr)) {
70 StackHandleScope<1> hs(Thread::Current());
71 Handle<mirror::DexCache> dex_cache(hs.NewHandle(method->GetDexCache()));
72 s = Runtime::Current()->GetClassLinker()->ResolveString(*method->GetDexFile(), string_idx,
73 dex_cache);
74 }
75 return s;
76 }
77
78 } // namespace art
79
80 #endif // ART_RUNTIME_METHOD_HELPER_INL_H_
81