1 /* 2 * Copyright (C) 2014 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 "art_method-inl.h" 18 #include "jni.h" 19 #include "mirror/array.h" 20 #include "mirror/class-inl.h" 21 #include "mirror/class.h" 22 #include "mirror/object-inl.h" 23 #include "scoped_thread_state_change-inl.h" 24 25 namespace art { 26 27 extern "C" JNIEXPORT jint JNICALL Java_Main_vmArrayBaseOffset(JNIEnv* env, jclass, jobject classObj) { 28 ScopedObjectAccess soa(env); 29 ObjPtr<mirror::Class> klass = soa.Decode<mirror::Class>(classObj); 30 return mirror::Array::DataOffset( 31 Primitive::ComponentSize(klass->GetComponentType()->GetPrimitiveType())).Int32Value(); 32 } 33 34 extern "C" JNIEXPORT jint JNICALL Java_Main_vmArrayIndexScale(JNIEnv* env, jclass, jobject classObj) { 35 ScopedObjectAccess soa(env); 36 ObjPtr<mirror::Class> klass = soa.Decode<mirror::Class>(classObj); 37 return Primitive::ComponentSize(klass->GetComponentType()->GetPrimitiveType()); 38 } 39 40 } // namespace art 41
