compiler/rustc_target/src/spec/base/teeos.rs

use crate::spec::{
    Cc, LinkerFlavor, Lld, Os, PanicStrategy, RelroLevel, TargetOptions, add_link_args,
};

pub(crate) fn opts() -> TargetOptions {
    let lld_args = &["-zmax-page-size=4096", "-znow", "-ztext", "--execute-only"];
    let cc_args = &["-Wl,-zmax-page-size=4096", "-Wl,-znow", "-Wl,-ztext", "-mexecute-only"];

    let mut pre_link_args = TargetOptions::link_args(LinkerFlavor::Gnu(Cc::No, Lld::No), lld_args);
    add_link_args(&mut pre_link_args, LinkerFlavor::Gnu(Cc::Yes, Lld::No), cc_args);

    TargetOptions {
        os: Os::TeeOs,
        dynamic_linking: true,
        linker_flavor: LinkerFlavor::Gnu(Cc::Yes, Lld::No),
        // rpath hardcodes -Wl, so it can't be used together with ld.lld.
        // C TAs also don't support rpath, so this is fine.
        has_rpath: false,
        // Note: Setting has_thread_local to true causes an error when
        // loading / dyn-linking the TA
        has_thread_local: false,
        position_independent_executables: true,
        relro_level: RelroLevel::Full,
        crt_static_respected: true,
        pre_link_args,
        panic_strategy: PanicStrategy::Abort,
        ..Default::default()
    }
}