# Runtime support function abort (does not return).
  mv t0, a0                                # Save exit code in temp
  li a0, @print_string                     # Code for print_string ecall
  ecall                                    # Print error message in a1
  li a1, 10                                # Load newline character
  li a0, @print_char                       # Code for print_char ecall
  ecall                                    # Print newline
  mv a1, t0                                # Move exit code to a1
  li a0, @exit2                            # Code for exit2 ecall
  ecall                                    # Exit with code
abort_17:                                  # Infinite loop
  j abort_17                               # Prevent fallthrough