| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "method_handles_lookup.h" |
| |
| #include "class-alloc-inl.h" |
| #include "class_root-inl.h" |
| #include "dex/modifiers.h" |
| #include "handle_scope.h" |
| #include "mirror/method_handle_impl.h" |
| #include "obj_ptr-inl.h" |
| #include "object-inl.h" |
| #include "well_known_classes.h" |
| |
| namespace art HIDDEN { |
| namespace mirror { |
| |
| ObjPtr<MethodHandlesLookup> MethodHandlesLookup::Create(Thread* const self, |
| Handle<Class> lookup_class) |
| REQUIRES_SHARED(Locks::mutator_lock_) REQUIRES(!Roles::uninterruptible_) { |
| static constexpr uint32_t kAllModes = kAccPublic | kAccPrivate | kAccProtected | kAccStatic; |
| |
| ObjPtr<MethodHandlesLookup> mhl = ObjPtr<MethodHandlesLookup>::DownCast( |
| GetClassRoot<MethodHandlesLookup>()->AllocObject(self)); |
| mhl->SetFieldObject<false>(LookupClassOffset(), lookup_class.Get()); |
| mhl->SetField32<false>(AllowedModesOffset(), kAllModes); |
| return mhl; |
| } |
| |
| ObjPtr<MethodHandlesLookup> MethodHandlesLookup::GetDefault(Thread* const self) { |
| ArtMethod* lookup = WellKnownClasses::java_lang_invoke_MethodHandles_lookup; |
| return ObjPtr<MethodHandlesLookup>::DownCast(lookup->InvokeStatic<'L'>(self)); |
| } |
| |
| ObjPtr<MethodHandle> MethodHandlesLookup::FindConstructor(Thread* const self, |
| Handle<Class> klass, |
| Handle<MethodType> method_type) { |
| ArtMethod* find_constructor = |
| WellKnownClasses::java_lang_invoke_MethodHandles_Lookup_findConstructor; |
| return ObjPtr<MethodHandle>::DownCast( |
| find_constructor->InvokeFinal<'L', 'L', 'L'>(self, this, klass.Get(), method_type.Get())); |
| } |
| |
| } // namespace mirror |
| } // namespace art |