New upstream version 1.56.0~beta.4+dfsg1

[rustc.git] / compiler / rustc_target / src / spec / powerpc64_unknown_linux_gnu.rs

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".to_string();
    base.pre_link_args.entry(LinkerFlavor::Gcc).or_default().push("-m64".to_string());
    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".to_string(),
        pointer_width: 64,
        data_layout: "E-m:e-i64:64-n32:64-S128-v256:256:256-v512:512:512".to_string(),
        arch: "powerpc64".to_string(),
        options: TargetOptions { endian: Endian::Big, mcount: "_mcount".to_string(), ..base },
    }
}