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36 lines
1.8 KiB
Diff
36 lines
1.8 KiB
Diff
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This patches librustc_target so that ELFv2 is used everywhere, matching our
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LLVM. While this is not perfect (it does not allow rustc to compile legacy
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binaries), rustc never requests specific ABI from llvm in the first place,
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so at least match the environment we have.
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--- rustc-1.36.0-src/src/librustc_target/abi/call/powerpc64.rs
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+++ rustc-1.36.0-src/src/librustc_target/abi/call/powerpc64.rs
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@@ -124,7 +124,7 @@ pub fn compute_abi_info<'a, Ty, C>(cx: &C, fty: &mut FnType<'a, Ty>)
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where Ty: TyLayoutMethods<'a, C> + Copy,
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C: LayoutOf<Ty = Ty, TyLayout = TyLayout<'a, Ty>> + HasDataLayout + HasTargetSpec
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{
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- let abi = if cx.target_spec().target_env == "musl" {
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+ let abi = if cx.target_spec().target_env == "musl" || cx.target_spec().target_env == "gnu" {
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ELFv2
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} else {
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match cx.data_layout().endian {
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--- rustc-1.36.0-src/src/librustc_target/spec/powerpc64_unknown_linux_gnu.rs
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+++ rustc-1.36.0-src/src/librustc_target/spec/powerpc64_unknown_linux_gnu.rs
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@@ -1,4 +1,4 @@
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-use crate::spec::{LinkerFlavor, Target, TargetOptions, TargetResult, RelroLevel};
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+use crate::spec::{LinkerFlavor, Target, TargetOptions, TargetResult};
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pub fn target() -> TargetResult {
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let mut base = super::linux_base::opts();
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@@ -6,10 +6,6 @@ pub fn target() -> TargetResult {
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base.pre_link_args.get_mut(&LinkerFlavor::Gcc).unwrap().push("-m64".to_string());
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base.max_atomic_width = Some(64);
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- // ld.so in at least RHEL6 on ppc64 has a bug related to BIND_NOW, so only enable partial RELRO
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- // for now. https://github.com/rust-lang/rust/pull/43170#issuecomment-315411474
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- base.relro_level = RelroLevel::Partial;
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-
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Ok(Target {
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llvm_target: "powerpc64-unknown-linux-gnu".to_string(),
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target_endian: "big".to_string(),
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