ExternOptions

pub const ExternOptions = struct {
    name: []const u8,
    library_name: ?[]const u8 = null,
    linkage: GlobalLinkage = .strong,
    visibility: SymbolVisibility = .default,
    /// Setting this to `true` makes the `@extern` a runtime value.
    is_thread_local: bool = false,
    is_dll_import: bool = false,
    relocation: Relocation = .any,
    decoration: ?Decoration = null,

    pub const Decoration = union(enum) {
        location: u32,
        flat: u32,
        descriptor: Descriptor,

        pub const Descriptor = struct {
            set: u32,
            binding: u32,
        };
    };

    pub const Relocation = enum(u1) {
        /// Any type of relocation is allowed.
        any,
        /// A program-counter-relative relocation is required.
        /// Using this value makes the `@extern` a runtime value.
        pcrel,
    };
}