Method exec_memory_copy

crates/tinywasm/src/interpreter/executor.rs:1278–1295

(&mut self, dst_mem: u32, src_mem: u32)

    }

    fn exec_memory_copy(&mut self, dst_mem: u32, src_mem: u32) -> Result<(), Trap> {
        let size = i32::stack_pop(&mut self.store.value_stack);
        let src = i32::stack_pop(&mut self.store.value_stack);
        let dst = i32::stack_pop(&mut self.store.value_stack);
        let dst_mem_addr = self.module.resolve_mem_addr(dst_mem);

        if dst_mem == src_mem {
            // copy within the same memory
            let mem = self.store.state.get_mem_mut(dst_mem_addr);
            mem.copy_within(dst as usize, src as usize, size as usize)?;
        } else {
            // copy between two memories
            let src_mem_addr = self.module.resolve_mem_addr(src_mem);
            let (dst_memory, src_memory) = self.store.state.get_mems_mut(dst_mem_addr, src_mem_addr);
            dst_memory.copy_from_memory(dst as usize, src_memory, src as usize, size as usize)?;
        }
        Ok(())
    }

    fn exec_memory_fill(&mut self, addr: u32) -> Result<(), Trap> {
        let size = i32::stack_pop(&mut self.store.value_stack);