Module drc

Layout of Wasm GC objects in the deferred reference-counting collector.

Structs

DrcTypeLayouts

The layout of Wasm GC objects in the deferred reference-counting collector.

Constants

ARRAY_LENGTH_OFFSET

The offset of the length field in a VMDrcArrayHeader.

EXCEPTION_TAG_DEFINED_OFFSET

The offset of the tag-defined-index field in an exception header.

EXCEPTION_TAG_INSTANCE_OFFSET

The offset of the tag-instance-index field in an exception header.

HEADER_ALIGN

The align of the VMDrcHeader header for GC objects.

HEADER_IN_OVER_APPROX_LIST_BIT

The bit within a VMDrcHeader’s reserved bits that is the in-the-over-approximated-stack-roots list bit.

HEADER_MARK_BIT

The bit within a VMDrcHeader‘s reserved bits that is the mark bit. Collectively, this bit in all the heap’s objects’ headers implements the precise-stack-roots set.

HEADER_SIZE

The size of the VMDrcHeader header for GC objects.