rustc_target/spec/base/
fuchsia.rs

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use crate::spec::{
    Cc, FramePointer, LinkOutputKind, LinkerFlavor, Lld, TargetOptions, crt_objects, cvs,
};

pub(crate) fn opts() -> TargetOptions {
    // This mirrors the linker options provided by clang. We presume lld for
    // now. When using clang as the linker it will supply these options for us,
    // so we only list them for ld/lld.
    //
    // https://github.com/llvm/llvm-project/blob/db9322b2066c55254e7691efeab863f43bfcc084/clang/lib/Driver/ToolChains/Fuchsia.cpp#L31
    let pre_link_args = TargetOptions::link_args(LinkerFlavor::Gnu(Cc::No, Lld::No), &[
        "--build-id",
        "--hash-style=gnu",
        "-z",
        "max-page-size=4096",
        "-z",
        "now",
        "-z",
        "rodynamic",
        "-z",
        "separate-loadable-segments",
        "--pack-dyn-relocs=relr",
    ]);

    TargetOptions {
        os: "fuchsia".into(),
        linker_flavor: LinkerFlavor::Gnu(Cc::No, Lld::Yes),
        linker: Some("rust-lld".into()),
        dynamic_linking: true,
        families: cvs!["unix"],
        pre_link_args,
        pre_link_objects: crt_objects::new(&[
            (LinkOutputKind::DynamicNoPicExe, &["Scrt1.o"]),
            (LinkOutputKind::DynamicPicExe, &["Scrt1.o"]),
            (LinkOutputKind::StaticNoPicExe, &["Scrt1.o"]),
            (LinkOutputKind::StaticPicExe, &["Scrt1.o"]),
        ]),
        position_independent_executables: true,
        has_thread_local: true,
        frame_pointer: FramePointer::NonLeaf,
        ..Default::default()
    }
}