From 8e4feca8abbef78567ef789e6c8d8316ebe09119 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alex=20R=C3=B8nne=20Petersen?= <alex@alexrp.com>
Date: Sun, 18 Aug 2024 02:22:25 +0200
Subject: [PATCH] std.Thread: Implement freeAndExit() for s390x.

---
 lib/std/Thread.zig | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/lib/std/Thread.zig b/lib/std/Thread.zig
index 323bf22384..e07c02baa3 100644
--- a/lib/std/Thread.zig
+++ b/lib/std/Thread.zig
@@ -1188,6 +1188,17 @@ const LinuxThreadImpl = struct {
                       [len] "r" (self.mapped.len),
                     : "memory"
                 ),
+                .s390x => asm volatile (
+                    \\  lgr %%r2, %[ptr]
+                    \\  lgr %%r3, %[len]
+                    \\  svc 91 # SYS_munmap
+                    \\  lghi %%r2, 0
+                    \\  svc 1 # SYS_exit
+                    :
+                    : [ptr] "r" (@intFromPtr(self.mapped.ptr)),
+                      [len] "r" (self.mapped.len),
+                    : "memory"
+                ),
                 .sparc => asm volatile (
                     \\ # See sparc64 comments below.
                     \\ 1: