Trait substrate_wasmtime_runtime::RuntimeLinearMemory

pub trait RuntimeLinearMemory {
    fn size(&self) -> u32;
    fn grow(&self, delta: u32) -> Option<u32>;
    fn vmmemory(&self) -> VMMemoryDefinition;
}

A linear memory

Required methods

fn size(&self) -> u32

Returns the number of allocated wasm pages.

fn grow(&self, delta: u32) -> Option<u32>

Grow memory by the specified amount of wasm pages.

Returns None if memory can't be grown by the specified amount of wasm pages.

fn vmmemory(&self) -> VMMemoryDefinition

Return a VMMemoryDefinition for exposing the memory to compiled wasm code.

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Implementors

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