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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ART_RUNTIME_MIRROR_DEX_CACHE_H_
#define ART_RUNTIME_MIRROR_DEX_CACHE_H_
#include "art_field.h"
#include "art_method.h"
#include "class.h"
#include "object.h"
#include "object_array.h"
namespace art {
struct DexCacheOffsets;
class DexFile;
class ImageWriter;
union JValue;
namespace mirror {
class String;
// C++ mirror of java.lang.DexCache.
class MANAGED DexCache FINAL : public Object {
public:
// Size of java.lang.DexCache.class.
static uint32_t ClassSize();
// Size of an instance of java.lang.DexCache not including referenced values.
static constexpr uint32_t InstanceSize() {
return sizeof(DexCache);
}
void Init(const DexFile* dex_file,
String* location,
ObjectArray<String>* strings,
ObjectArray<Class>* types,
ObjectArray<ArtMethod>* methods,
ObjectArray<ArtField>* fields)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
void Fixup(ArtMethod* trampoline) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
String* GetLocation() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
return GetFieldObject<String>(OFFSET_OF_OBJECT_MEMBER(DexCache, location_));
}
static MemberOffset StringsOffset() {
return OFFSET_OF_OBJECT_MEMBER(DexCache, strings_);
}
static MemberOffset ResolvedFieldsOffset() {
return OFFSET_OF_OBJECT_MEMBER(DexCache, resolved_fields_);
}
static MemberOffset ResolvedMethodsOffset() {
return OFFSET_OF_OBJECT_MEMBER(DexCache, resolved_methods_);
}
size_t NumStrings() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
return GetStrings()->GetLength();
}
size_t NumResolvedTypes() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
return GetResolvedTypes()->GetLength();
}
size_t NumResolvedMethods() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
return GetResolvedMethods()->GetLength();
}
size_t NumResolvedFields() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
return GetResolvedFields()->GetLength();
}
String* GetResolvedString(uint32_t string_idx) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
return GetStrings()->Get(string_idx);
}
void SetResolvedString(uint32_t string_idx, String* resolved) ALWAYS_INLINE
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
// TODO default transaction support.
GetStrings()->Set(string_idx, resolved);
}
Class* GetResolvedType(uint32_t type_idx) ALWAYS_INLINE
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
return GetResolvedTypes()->Get(type_idx);
}
void SetResolvedType(uint32_t type_idx, Class* resolved)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
ArtMethod* GetResolvedMethod(uint32_t method_idx) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
void SetResolvedMethod(uint32_t method_idx, ArtMethod* resolved) ALWAYS_INLINE
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
GetResolvedMethods()->Set(method_idx, resolved);
}
ArtField* GetResolvedField(uint32_t field_idx) ALWAYS_INLINE
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
ArtField* field = GetResolvedFields()->Get(field_idx);
if (UNLIKELY(field == nullptr || field->GetDeclaringClass()->IsErroneous())) {
return nullptr;
} else {
return field;
}
}
void SetResolvedField(uint32_t field_idx, ArtField* resolved) ALWAYS_INLINE
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
GetResolvedFields()->Set(field_idx, resolved);
}
ObjectArray<String>* GetStrings() ALWAYS_INLINE SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
return GetFieldObject< ObjectArray<String>>(StringsOffset());
}
ObjectArray<Class>* GetResolvedTypes() ALWAYS_INLINE SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
return GetFieldObject<ObjectArray<Class>>(
OFFSET_OF_OBJECT_MEMBER(DexCache, resolved_types_));
}
ObjectArray<ArtMethod>* GetResolvedMethods() ALWAYS_INLINE
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
return GetFieldObject< ObjectArray<ArtMethod>>(ResolvedMethodsOffset());
}
ObjectArray<ArtField>* GetResolvedFields() ALWAYS_INLINE
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
return GetFieldObject<ObjectArray<ArtField>>(ResolvedFieldsOffset());
}
const DexFile* GetDexFile() ALWAYS_INLINE SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
return GetFieldPtr<const DexFile*>(OFFSET_OF_OBJECT_MEMBER(DexCache, dex_file_));
}
void SetDexFile(const DexFile* dex_file) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_)
ALWAYS_INLINE {
return SetFieldPtr<false>(OFFSET_OF_OBJECT_MEMBER(DexCache, dex_file_), dex_file);
}
private:
HeapReference<Object> dex_;
HeapReference<String> location_;
HeapReference<ObjectArray<ArtField>> resolved_fields_;
HeapReference<ObjectArray<ArtMethod>> resolved_methods_;
HeapReference<ObjectArray<Class>> resolved_types_;
HeapReference<ObjectArray<String>> strings_;
uint64_t dex_file_;
friend struct art::DexCacheOffsets; // for verifying offset information
DISALLOW_IMPLICIT_CONSTRUCTORS(DexCache);
};
} // namespace mirror
} // namespace art
#endif // ART_RUNTIME_MIRROR_DEX_CACHE_H_
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