Method make_arguments

cranelift/filetests/src/function_runner.rs:499–517

Build the arguments vector for passing the [DataValue]s into the [Trampoline]. The size of `u128` used here must match [Trampoline::SLOT_SIZE].

(arguments: &[DataValue], signature: &ir::Signature)

    /// Build the arguments vector for passing the [DataValue]s into the [Trampoline]. The size of
    /// `u128` used here must match [Trampoline::SLOT_SIZE].
    pub fn make_arguments(arguments: &[DataValue], signature: &ir::Signature) -> Self {
        assert_eq!(arguments.len(), signature.params.len());
        let mut values_vec = vec![0; max(signature.params.len(), signature.returns.len())];

        // Store the argument values into `values_vec`.
        for ((arg, slot), param) in arguments.iter().zip(&mut values_vec).zip(&signature.params) {
            assert!(
                arg.ty() == param.value_type || arg.is_vector(),
                "argument type mismatch: {} != {}",
                arg.ty(),
                param.value_type
            );
            unsafe {
                arg.write_value_to(slot);
            }
        }

        Self(values_vec)
    }

    /// Return a pointer to the underlying memory for passing to the trampoline.
    pub fn as_mut_ptr(&mut self) -> *mut u128 {