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 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 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 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 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
