Instead of using the implementation specific struct jmp_buf_data use the standard compliant type jmp_buf when switching exception levels. Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org> Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>