From b1d270d38ed1fc36a5625f9b0f0f110b6dc12ec7 Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Tue, 28 Oct 2025 19:21:53 -0700
Subject: [PATCH] std.os.linux.s390x: fix restore function

---
 lib/std/os/linux/s390x.zig | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/lib/std/os/linux/s390x.zig b/lib/std/os/linux/s390x.zig
index 13b6bfd512..0a09982f2a 100644
--- a/lib/std/os/linux/s390x.zig
+++ b/lib/std/os/linux/s390x.zig
@@ -136,7 +136,13 @@ pub fn clone() callconv(.naked) u64 {
     );
 }
 
-pub const restore = restore_rt;
+pub fn restore() callconv(.naked) noreturn {
+    asm volatile (
+        \\svc 0
+        :
+        : [number] "{r1}" (@intFromEnum(SYS.sigreturn)),
+    );
+}
 
 pub fn restore_rt() callconv(.naked) noreturn {
     asm volatile (