Struct wasm_encoder::MemArg

pub struct MemArg {
    pub offset: u64,
    pub align: u32,
    pub memory_index: u32,
}

The immediate for a memory instruction.

Fields

offset: u64

A static offset to add to the instruction’s dynamic address operand.

This is a u64 field for the memory64 proposal, but 32-bit memories limit offsets to at most u32::MAX bytes. This will be encoded as a LEB but it won’t generate a valid module if an offset is specified which is larger than the maximum size of the index space for the memory indicated by memory_index.

align: u32

The expected alignment of the instruction’s dynamic address operand (expressed the exponent of a power of two).

memory_index: u32

The index of the memory this instruction is operating upon.

Trait Implementations

impl Clone for MemArg

fn clone(&self) -> MemArg

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for MemArg

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Encode for MemArg

fn encode(&self, sink: &mut Vec<u8>)

Encode the type into the given byte sink.

impl From<MemArg> for MemArg

Available on crate feature wasmparser only.

fn from(arg: MemArg) -> Self

Converts to this type from the input type.

impl Copy for MemArg