86 lines
2.7 KiB
C++
86 lines
2.7 KiB
C++
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "field-inl.h"
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#include "class-inl.h"
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#include "dex_cache-inl.h"
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#include "object_array-inl.h"
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#include "object-inl.h"
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namespace art {
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namespace mirror {
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GcRoot<Class> Field::static_class_;
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GcRoot<Class> Field::array_class_;
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void Field::SetClass(ObjPtr<Class> klass) {
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CHECK(static_class_.IsNull()) << static_class_.Read() << " " << klass;
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CHECK(klass != nullptr);
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static_class_ = GcRoot<Class>(klass);
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}
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void Field::ResetClass() {
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CHECK(!static_class_.IsNull());
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static_class_ = GcRoot<Class>(nullptr);
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}
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void Field::SetArrayClass(ObjPtr<Class> klass) {
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CHECK(array_class_.IsNull()) << array_class_.Read() << " " << klass;
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CHECK(klass != nullptr);
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array_class_ = GcRoot<Class>(klass);
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}
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void Field::ResetArrayClass() {
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CHECK(!array_class_.IsNull());
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array_class_ = GcRoot<Class>(nullptr);
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}
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void Field::VisitRoots(RootVisitor* visitor) {
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static_class_.VisitRootIfNonNull(visitor, RootInfo(kRootStickyClass));
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array_class_.VisitRootIfNonNull(visitor, RootInfo(kRootStickyClass));
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}
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ArtField* Field::GetArtField() {
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mirror::Class* declaring_class = GetDeclaringClass();
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if (UNLIKELY(declaring_class->IsProxyClass())) {
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DCHECK(IsStatic());
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DCHECK_EQ(declaring_class->NumStaticFields(), 2U);
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// 0 == Class[] interfaces; 1 == Class[][] throws;
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if (GetDexFieldIndex() == 0) {
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return &declaring_class->GetSFieldsPtr()->At(0);
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} else {
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DCHECK_EQ(GetDexFieldIndex(), 1U);
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return &declaring_class->GetSFieldsPtr()->At(1);
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}
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}
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mirror::DexCache* const dex_cache = declaring_class->GetDexCache();
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ArtField* art_field = dex_cache->GetResolvedField(GetDexFieldIndex(), kRuntimePointerSize);
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if (UNLIKELY(art_field == nullptr)) {
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if (IsStatic()) {
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art_field = declaring_class->FindDeclaredStaticField(dex_cache, GetDexFieldIndex());
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} else {
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art_field = declaring_class->FindInstanceField(dex_cache, GetDexFieldIndex());
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}
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CHECK(art_field != nullptr);
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dex_cache->SetResolvedField(GetDexFieldIndex(), art_field, kRuntimePointerSize);
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}
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CHECK_EQ(declaring_class, art_field->GetDeclaringClass());
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return art_field;
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}
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} // namespace mirror
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} // namespace art
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