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 "verify_object-inl.h" 18 19 #include "base/bit_utils.h" 20 #include "gc/heap.h" 21 #include "globals.h" 22 #include "mirror/object-inl.h" 23 #include "obj_ptr-inl.h" 24 #include "runtime.h" 25 26 namespace art { 27 28 void VerifyObjectImpl(ObjPtr<mirror::Object> obj) { 29 if (kVerifyObjectSupport > kVerifyObjectModeFast) { 30 // Slow object verification, try the heap right away. 31 Runtime::Current()->GetHeap()->VerifyObjectBody(obj); 32 } else { 33 // Fast object verification, only call the heap if our quick sanity tests fail. The heap will 34 // print the diagnostic message. 35 bool failed = !IsAligned<kObjectAlignment>(obj.Ptr()); 36 if (!failed) { 37 mirror::Class* c = obj->GetClass<kVerifyNone>(); 38 failed = failed || !IsAligned<kObjectAlignment>(c); 39 failed = failed || !VerifyClassClass(c); 40 } 41 if (UNLIKELY(failed)) { 42 Runtime::Current()->GetHeap()->VerifyObjectBody(obj); 43 } 44 } 45 } 46 47 } // namespace art 48
