compiler/rustc_target/src/spec/powerpc64_unknown_linux_gnu.rs


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use crate::abi::Endian;
use crate::spec::{LinkerFlavor, RelroLevel, Target, TargetOptions};

pub fn target() -> Target {
    let mut base = super::linux_gnu_base::opts();
    base.cpu = "ppc64".into();
    base.add_pre_link_args(LinkerFlavor::Gcc, &["-m64"]);
    base.max_atomic_width = Some(64);

    // ld.so in at least RHEL6 on ppc64 has a bug related to BIND_NOW, so only enable partial RELRO
    // for now. https://github.com/rust-lang/rust/pull/43170#issuecomment-315411474
    base.relro_level = RelroLevel::Partial;

    Target {
        llvm_target: "powerpc64-unknown-linux-gnu".into(),
        pointer_width: 64,
        data_layout: "E-m:e-i64:64-n32:64-S128-v256:256:256-v512:512:512".into(),
        arch: "powerpc64".into(),
        options: TargetOptions { endian: Endian::Big, mcount: "_mcount".into(), ..base },
    }
}