/// vDSO for `riscv` (both 32 and 64)
#[derive(Debug, Copy, Clone)]
pub struct Vdso {
    pub rt_sigreturn:  __vdso_rt_sigreturn    @ "LINUX_4.15",
    pub gettimeofday:  __vdso_gettimeofday    @ "LINUX_4.15",
    pub clock_gettime: __vdso_clock_gettime   @ "LINUX_4.15",
    pub clock_getres:  __vdso_clock_getres    @ "LINUX_4.15",
    pub getcpu:        __vdso_getcpu          @ "LINUX_4.15",
    pub flush_icache:  __vdso_flush_icache    @ "LINUX_4.15",
}