pub const AT_SUN = struct {
    /// effective user id
    pub const UID = 2000;
    /// real user id
    pub const RUID = 2001;
    /// effective group id
    pub const GID = 2002;
    /// real group id
    pub const RGID = 2003;
    /// dynamic linker's ELF header
    pub const LDELF = 2004;
    /// dynamic linker's section headers
    pub const LDSHDR = 2005;
    /// name of dynamic linker
    pub const LDNAME = 2006;
    /// large pagesize
    pub const LPAGESZ = 2007;
    /// platform name
    pub const PLATFORM = 2008;
    /// hints about hardware capabilities.
    pub const HWCAP = 2009;
    pub const HWCAP2 = 2023;
    /// flush icache?
    pub const IFLUSH = 2010;
    /// cpu name
    pub const CPU = 2011;
    /// exec() path name in the auxv, null terminated.
    pub const EXECNAME = 2014;
    /// mmu module name
    pub const MMU = 2015;
    /// dynamic linkers data segment
    pub const LDDATA = 2016;
    /// AF_SUN_ flags passed from the kernel
    pub const AUXFLAGS = 2017;
    /// name of the emulation binary for the linker
    pub const EMULATOR = 2018;
    /// name of the brand library for the linker
    pub const BRANDNAME = 2019;
    /// vectors for brand modules.
    pub const BRAND_AUX1 = 2020;
    pub const BRAND_AUX2 = 2021;
    pub const BRAND_AUX3 = 2022;
    pub const BRAND_AUX4 = 2025;
    pub const BRAND_NROOT = 2024;
    /// vector for comm page.
    pub const COMMPAGE = 2026;
    /// information about the x86 FPU.
    pub const FPTYPE = 2027;
    pub const FPSIZE = 2028;
}