Merging upstream version 1.75.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 24 insertions, 0 deletions

diff --git a/compiler/rustc_target/src/spec/targets/x86_64_unknown_linux_gnux32.rs b/compiler/rustc_target/src/spec/targets/x86_64_unknown_linux_gnux32.rs
new file mode 100644
index 000000000..622bfe8bb
--- /dev/null
+++ b/compiler/rustc_target/src/spec/targets/x86_64_unknown_linux_gnux32.rs
@@ -0,0 +1,24 @@
+use crate::spec::{base, Cc, LinkerFlavor, Lld, StackProbeType, Target};
+
+pub fn target() -> Target {
+    let mut base = base::linux_gnu::opts();
+    base.cpu = "x86-64".into();
+    base.abi = "x32".into();
+    base.max_atomic_width = Some(64);
+    base.add_pre_link_args(LinkerFlavor::Gnu(Cc::Yes, Lld::No), &["-mx32"]);
+    base.stack_probes = StackProbeType::X86;
+    base.has_thread_local = false;
+    // BUG(GabrielMajeri): disabling the PLT on x86_64 Linux with x32 ABI
+    // breaks code gen. See LLVM bug 36743
+    base.plt_by_default = true;
+
+    Target {
+        llvm_target: "x86_64-unknown-linux-gnux32".into(),
+        pointer_width: 32,
+        data_layout: "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
+            i64:64-f80:128-n8:16:32:64-S128"
+            .into(),
+        arch: "x86_64".into(),
+        options: base,
+    }
+}