func (a *AuxCall) OffsetOfArg(which int64) int64 {
	n := int64(a.abiInfo.InParam(int(which)).Offset())
	return n
}

// RegsOfResult returns the register(s) used for result which (indexed 0, 1, etc).
func (a *AuxCall) RegsOfResult(which int64) []abi.RegIndex {
	return a.abiInfo.OutParam(int(which)).Registers
}

// RegsOfArg returns the register(s) used for argument which (indexed 0, 1, etc).