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-rw-r--r--deps/v8/src/heap/mark-compact-inl.h98
1 files changed, 57 insertions, 41 deletions
diff --git a/deps/v8/src/heap/mark-compact-inl.h b/deps/v8/src/heap/mark-compact-inl.h
index 466a89080b..449ca43e50 100644
--- a/deps/v8/src/heap/mark-compact-inl.h
+++ b/deps/v8/src/heap/mark-compact-inl.h
@@ -14,6 +14,28 @@
namespace v8 {
namespace internal {
+template <typename ConcreteState, AccessMode access_mode>
+bool MarkingStateBase<ConcreteState, access_mode>::GreyToBlack(
+ HeapObject* obj) {
+ MemoryChunk* p = MemoryChunk::FromAddress(obj->address());
+ MarkBit markbit = MarkBitFrom(p, obj->address());
+ if (!Marking::GreyToBlack<access_mode>(markbit)) return false;
+ static_cast<ConcreteState*>(this)->IncrementLiveBytes(p, obj->Size());
+ return true;
+}
+
+template <typename ConcreteState, AccessMode access_mode>
+bool MarkingStateBase<ConcreteState, access_mode>::WhiteToGrey(
+ HeapObject* obj) {
+ return Marking::WhiteToGrey<access_mode>(MarkBitFrom(obj));
+}
+
+template <typename ConcreteState, AccessMode access_mode>
+bool MarkingStateBase<ConcreteState, access_mode>::WhiteToBlack(
+ HeapObject* obj) {
+ return WhiteToGrey(obj) && GreyToBlack(obj);
+}
+
template <FixedArrayVisitationMode fixed_array_mode,
TraceRetainingPathMode retaining_path_mode, typename MarkingState>
MarkingVisitor<fixed_array_mode, retaining_path_mode,
@@ -26,16 +48,6 @@ MarkingVisitor<fixed_array_mode, retaining_path_mode,
template <FixedArrayVisitationMode fixed_array_mode,
TraceRetainingPathMode retaining_path_mode, typename MarkingState>
int MarkingVisitor<fixed_array_mode, retaining_path_mode,
- MarkingState>::VisitAllocationSite(Map* map,
- AllocationSite* object) {
- int size = AllocationSite::BodyDescriptorWeak::SizeOf(map, object);
- AllocationSite::BodyDescriptorWeak::IterateBody(map, object, size, this);
- return size;
-}
-
-template <FixedArrayVisitationMode fixed_array_mode,
- TraceRetainingPathMode retaining_path_mode, typename MarkingState>
-int MarkingVisitor<fixed_array_mode, retaining_path_mode,
MarkingState>::VisitBytecodeArray(Map* map,
BytecodeArray* array) {
int size = BytecodeArray::BodyDescriptor::SizeOf(map, array);
@@ -46,15 +58,6 @@ int MarkingVisitor<fixed_array_mode, retaining_path_mode,
template <FixedArrayVisitationMode fixed_array_mode,
TraceRetainingPathMode retaining_path_mode, typename MarkingState>
-int MarkingVisitor<fixed_array_mode, retaining_path_mode, MarkingState>::
- VisitCodeDataContainer(Map* map, CodeDataContainer* object) {
- int size = CodeDataContainer::BodyDescriptorWeak::SizeOf(map, object);
- CodeDataContainer::BodyDescriptorWeak::IterateBody(map, object, size, this);
- return size;
-}
-
-template <FixedArrayVisitationMode fixed_array_mode,
- TraceRetainingPathMode retaining_path_mode, typename MarkingState>
int MarkingVisitor<fixed_array_mode, retaining_path_mode,
MarkingState>::VisitFixedArray(Map* map,
FixedArray* object) {
@@ -65,25 +68,48 @@ int MarkingVisitor<fixed_array_mode, retaining_path_mode,
template <FixedArrayVisitationMode fixed_array_mode,
TraceRetainingPathMode retaining_path_mode, typename MarkingState>
-int MarkingVisitor<fixed_array_mode, retaining_path_mode,
- MarkingState>::VisitJSApiObject(Map* map, JSObject* object) {
+template <typename T>
+V8_INLINE int
+MarkingVisitor<fixed_array_mode, retaining_path_mode,
+ MarkingState>::VisitEmbedderTracingSubclass(Map* map,
+ T* object) {
if (heap_->local_embedder_heap_tracer()->InUse()) {
- DCHECK(object->IsJSObject());
heap_->TracePossibleWrapper(object);
}
- int size = JSObject::BodyDescriptor::SizeOf(map, object);
- JSObject::BodyDescriptor::IterateBody(map, object, size, this);
+ int size = T::BodyDescriptor::SizeOf(map, object);
+ T::BodyDescriptor::IterateBody(map, object, size, this);
return size;
}
template <FixedArrayVisitationMode fixed_array_mode,
TraceRetainingPathMode retaining_path_mode, typename MarkingState>
int MarkingVisitor<fixed_array_mode, retaining_path_mode,
- MarkingState>::VisitJSFunction(Map* map,
- JSFunction* object) {
- int size = JSFunction::BodyDescriptorWeak::SizeOf(map, object);
- JSFunction::BodyDescriptorWeak::IterateBody(map, object, size, this);
- return size;
+ MarkingState>::VisitJSApiObject(Map* map, JSObject* object) {
+ return VisitEmbedderTracingSubclass(map, object);
+}
+
+template <FixedArrayVisitationMode fixed_array_mode,
+ TraceRetainingPathMode retaining_path_mode, typename MarkingState>
+int MarkingVisitor<fixed_array_mode, retaining_path_mode,
+ MarkingState>::VisitJSArrayBuffer(Map* map,
+ JSArrayBuffer* object) {
+ return VisitEmbedderTracingSubclass(map, object);
+}
+
+template <FixedArrayVisitationMode fixed_array_mode,
+ TraceRetainingPathMode retaining_path_mode, typename MarkingState>
+int MarkingVisitor<fixed_array_mode, retaining_path_mode,
+ MarkingState>::VisitJSDataView(Map* map,
+ JSDataView* object) {
+ return VisitEmbedderTracingSubclass(map, object);
+}
+
+template <FixedArrayVisitationMode fixed_array_mode,
+ TraceRetainingPathMode retaining_path_mode, typename MarkingState>
+int MarkingVisitor<fixed_array_mode, retaining_path_mode,
+ MarkingState>::VisitJSTypedArray(Map* map,
+ JSTypedArray* object) {
+ return VisitEmbedderTracingSubclass(map, object);
}
template <FixedArrayVisitationMode fixed_array_mode,
@@ -141,16 +167,6 @@ int MarkingVisitor<fixed_array_mode, retaining_path_mode,
template <FixedArrayVisitationMode fixed_array_mode,
TraceRetainingPathMode retaining_path_mode, typename MarkingState>
int MarkingVisitor<fixed_array_mode, retaining_path_mode,
- MarkingState>::VisitNativeContext(Map* map,
- Context* context) {
- int size = Context::BodyDescriptorWeak::SizeOf(map, context);
- Context::BodyDescriptorWeak::IterateBody(map, context, size, this);
- return size;
-}
-
-template <FixedArrayVisitationMode fixed_array_mode,
- TraceRetainingPathMode retaining_path_mode, typename MarkingState>
-int MarkingVisitor<fixed_array_mode, retaining_path_mode,
MarkingState>::VisitTransitionArray(Map* map,
TransitionArray* array) {
int size = TransitionArray::BodyDescriptor::SizeOf(map, array);
@@ -175,11 +191,11 @@ void MarkingVisitor<fixed_array_mode, retaining_path_mode,
MarkingState>::VisitPointer(HeapObject* host,
MaybeObject** p) {
HeapObject* target_object;
- if ((*p)->ToStrongHeapObject(&target_object)) {
+ if ((*p)->GetHeapObjectIfStrong(&target_object)) {
collector_->RecordSlot(host, reinterpret_cast<HeapObjectReference**>(p),
target_object);
MarkObject(host, target_object);
- } else if ((*p)->ToWeakHeapObject(&target_object)) {
+ } else if ((*p)->GetHeapObjectIfWeak(&target_object)) {
if (marking_state()->IsBlackOrGrey(target_object)) {
// Weak references with live values are directly processed here to reduce
// the processing time of weak cells during the main GC pause.
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-13 13:34:51 +0000