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Rollup merge of #102112 - cuviper:powerpc64-full-relro, r=eholk

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Allow full relro on powerpc64-unknown-linux-gnu

This was previously limited to partial relro, citing issues on RHEL6,
but that's no longer a supported platform since #95026. We have long
been enabling full relro in RHEL7's own Rust builds for ppc64, without
trouble, so it should be fine to drop this workaround.
This commit is contained in:
Matthias Krüger 2022-09-23 04:29:20 +02:00 committed by GitHub
commit 8e3b9bca65
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1 changed files with 1 additions and 5 deletions
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6
compiler/rustc_target/src/spec/powerpc64_unknown_linux_gnu.rs
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@ -1,5 +1,5 @@
use crate::abi::Endian;
use crate::spec::{LinkerFlavor, RelroLevel, Target, TargetOptions};
use crate::spec::{LinkerFlavor, Target, TargetOptions};
pub fn target() -> Target {
let mut base = super::linux_gnu_base::opts();
@ -7,10 +7,6 @@ pub fn target() -> Target {
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,