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-rw-r--r--runtime/mirror/class.h85
1 files changed, 53 insertions, 32 deletions
diff --git a/runtime/mirror/class.h b/runtime/mirror/class.h
index b82a58f4c2..92493bc567 100644
--- a/runtime/mirror/class.h
+++ b/runtime/mirror/class.h
@@ -35,6 +35,7 @@
namespace art {
+class ArtField;
struct ClassOffsets;
template<class T> class Handle;
template<class T> class Handle;
@@ -44,7 +45,6 @@ template<size_t kNumReferences> class PACKED(4) StackHandleScope;
namespace mirror {
-class ArtField;
class ArtMethod;
class ClassLoader;
class DexCache;
@@ -420,9 +420,6 @@ class MANAGED Class FINAL : public Object {
bool IsThrowableClass() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
template<ReadBarrierOption kReadBarrierOption = kWithReadBarrier>
- bool IsArtFieldClass() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
-
- template<ReadBarrierOption kReadBarrierOption = kWithReadBarrier>
bool IsArtMethodClass() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
template<ReadBarrierOption kReadBarrierOption = kWithReadBarrier>
@@ -823,17 +820,22 @@ class MANAGED Class FINAL : public Object {
ALWAYS_INLINE void SetIfTable(IfTable* new_iftable) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
// Get instance fields of the class (See also GetSFields).
- ObjectArray<ArtField>* GetIFields() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
+ ArtField* GetIFields() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
- void SetIFields(ObjectArray<ArtField>* new_ifields) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
+ void SetIFields(ArtField* new_ifields) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
- uint32_t NumInstanceFields() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
+ // Unchecked edition has no verification flags.
+ void SetIFieldsUnchecked(ArtField* new_sfields) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
- ArtField* GetInstanceField(uint32_t i) // TODO: uint16_t
- SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
+ uint32_t NumInstanceFields() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
+ return GetField32(OFFSET_OF_OBJECT_MEMBER(Class, num_instance_fields_));
+ }
- void SetInstanceField(uint32_t i, ArtField* f) // TODO: uint16_t
- SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
+ void SetNumInstanceFields(uint32_t num) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
+ return SetField32<false>(OFFSET_OF_OBJECT_MEMBER(Class, num_instance_fields_), num);
+ }
+
+ ArtField* GetInstanceField(uint32_t i) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
// Returns the number of instance fields containing reference types.
uint32_t NumReferenceInstanceFields() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
@@ -884,17 +886,23 @@ class MANAGED Class FINAL : public Object {
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
// Gets the static fields of the class.
- ObjectArray<ArtField>* GetSFields() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
+ ArtField* GetSFields() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
- void SetSFields(ObjectArray<ArtField>* new_sfields) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
+ void SetSFields(ArtField* new_sfields) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
- uint32_t NumStaticFields() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
+ // Unchecked edition has no verification flags.
+ void SetSFieldsUnchecked(ArtField* new_sfields) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
- // TODO: uint16_t
- ArtField* GetStaticField(uint32_t i) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
+ uint32_t NumStaticFields() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
+ return GetField32(OFFSET_OF_OBJECT_MEMBER(Class, num_static_fields_));
+ }
+
+ void SetNumStaticFields(uint32_t num) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
+ return SetField32<false>(OFFSET_OF_OBJECT_MEMBER(Class, num_static_fields_), num);
+ }
// TODO: uint16_t
- void SetStaticField(uint32_t i, ArtField* f) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
+ ArtField* GetStaticField(uint32_t i) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
// Find a static or instance field using the JLS resolution order
static ArtField* FindField(Thread* self, Handle<Class> klass, const StringPiece& name,
@@ -974,6 +982,10 @@ class MANAGED Class FINAL : public Object {
static void VisitRoots(RootVisitor* visitor)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
+ template<class Visitor>
+ // Visit field roots.
+ void VisitFieldRoots(Visitor& visitor) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
+
// When class is verified, set the kAccPreverified flag on each method.
void SetPreverifiedFlagOnAllMethods() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
@@ -1079,6 +1091,10 @@ class MANAGED Class FINAL : public Object {
void CheckObjectAlloc() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
+ // Unchecked editions is for root visiting.
+ ArtField* GetSFieldsUnchecked() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
+ ArtField* GetIFieldsUnchecked() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
+
// defining class loader, or NULL for the "bootstrap" system loader
HeapReference<ClassLoader> class_loader_;
@@ -1096,18 +1112,6 @@ class MANAGED Class FINAL : public Object {
// static, private, and <init> methods
HeapReference<ObjectArray<ArtMethod>> direct_methods_;
- // instance fields
- //
- // These describe the layout of the contents of an Object.
- // Note that only the fields directly declared by this class are
- // listed in ifields; fields declared by a superclass are listed in
- // the superclass's Class.ifields.
- //
- // All instance fields that refer to objects are guaranteed to be at
- // the beginning of the field list. num_reference_instance_fields_
- // specifies the number of reference fields.
- HeapReference<ObjectArray<ArtField>> ifields_;
-
// The interface table (iftable_) contains pairs of a interface class and an array of the
// interface methods. There is one pair per interface supported by this class. That means one
// pair for each interface we support directly, indirectly via superclass, or indirectly via a
@@ -1124,9 +1128,6 @@ class MANAGED Class FINAL : public Object {
// Descriptor for the class such as "java.lang.Class" or "[C". Lazily initialized by ComputeName
HeapReference<String> name_;
- // Static fields
- HeapReference<ObjectArray<ArtField>> sfields_;
-
// The superclass, or NULL if this is java.lang.Object, an interface or primitive type.
HeapReference<Class> super_class_;
@@ -1143,8 +1144,22 @@ class MANAGED Class FINAL : public Object {
HeapReference<ObjectArray<ArtMethod>> vtable_;
// Access flags; low 16 bits are defined by VM spec.
+ // Note: Shuffled back.
uint32_t access_flags_;
+ // instance fields
+ //
+ // These describe the layout of the contents of an Object.
+ // Note that only the fields directly declared by this class are
+ // listed in ifields; fields declared by a superclass are listed in
+ // the superclass's Class.ifields.
+ //
+ // ArtField arrays are allocated as an array of fields, and not an array of fields pointers.
+ uint64_t ifields_;
+
+ // Static fields
+ uint64_t sfields_;
+
// Total size of the Class instance; used when allocating storage on gc heap.
// See also object_size_.
uint32_t class_size_;
@@ -1160,12 +1175,18 @@ class MANAGED Class FINAL : public Object {
// TODO: really 16bits
int32_t dex_type_idx_;
+ // Number of static fields.
+ uint32_t num_instance_fields_;
+
// Number of instance fields that are object refs.
uint32_t num_reference_instance_fields_;
// Number of static fields that are object refs,
uint32_t num_reference_static_fields_;
+ // Number of static fields.
+ uint32_t num_static_fields_;
+
// Total object size; used when allocating storage on gc heap.
// (For interfaces and abstract classes this will be zero.)
// See also class_size_.
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2025-10-20 11:48:35 +0000