1 /* 2 * Copyright (C) 2017 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 "call_site.h" 18 19 #include "class-inl.h" 20 #include "gc_root-inl.h" 21 22 namespace art { 23 namespace mirror { 24 25 GcRoot<mirror::Class> CallSite::static_class_; 26 27 mirror::CallSite* CallSite::Create(Thread* const self, Handle<MethodHandle> target) { 28 StackHandleScope<1> hs(self); 29 Handle<mirror::CallSite> cs( 30 hs.NewHandle(ObjPtr<CallSite>::DownCast(StaticClass()->AllocObject(self)))); 31 CHECK(!Runtime::Current()->IsActiveTransaction()); 32 cs->SetFieldObject<false>(TargetOffset(), target.Get()); 33 return cs.Get(); 34 } 35 36 void CallSite::SetClass(Class* klass) { 37 CHECK(static_class_.IsNull()) << static_class_.Read() << " " << klass; 38 CHECK(klass != nullptr); 39 static_class_ = GcRoot<Class>(klass); 40 } 41 42 void CallSite::ResetClass() { 43 CHECK(!static_class_.IsNull()); 44 static_class_ = GcRoot<Class>(nullptr); 45 } 46 47 void CallSite::VisitRoots(RootVisitor* visitor) { 48 static_class_.VisitRootIfNonNull(visitor, RootInfo(kRootStickyClass)); 49 } 50 51 } // namespace mirror 52 } // namespace art 53
