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      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 #include "art_field.h"
     18 
     19 #include "art_field-inl.h"
     20 #include "gc/accounting/card_table-inl.h"
     21 #include "object-inl.h"
     22 #include "object_utils.h"
     23 #include "runtime.h"
     24 #include "utils.h"
     25 
     26 namespace art {
     27 namespace mirror {
     28 
     29 // TODO: get global references for these
     30 Class* ArtField::java_lang_reflect_ArtField_ = NULL;
     31 
     32 void ArtField::SetClass(Class* java_lang_reflect_ArtField) {
     33   CHECK(java_lang_reflect_ArtField_ == NULL);
     34   CHECK(java_lang_reflect_ArtField != NULL);
     35   java_lang_reflect_ArtField_ = java_lang_reflect_ArtField;
     36 }
     37 
     38 void ArtField::ResetClass() {
     39   CHECK(java_lang_reflect_ArtField_ != NULL);
     40   java_lang_reflect_ArtField_ = NULL;
     41 }
     42 
     43 void ArtField::SetOffset(MemberOffset num_bytes) {
     44   DCHECK(GetDeclaringClass()->IsLoaded() || GetDeclaringClass()->IsErroneous());
     45 #if 0  // TODO enable later in boot and under !NDEBUG
     46   FieldHelper fh(this);
     47   Primitive::Type type = fh.GetTypeAsPrimitiveType();
     48   if (type == Primitive::kPrimDouble || type == Primitive::kPrimLong) {
     49     DCHECK_ALIGNED(num_bytes.Uint32Value(), 8);
     50   }
     51 #endif
     52   SetField32(OFFSET_OF_OBJECT_MEMBER(ArtField, offset_), num_bytes.Uint32Value(), false);
     53 }
     54 
     55 }  // namespace mirror
     56 }  // namespace art
     57