1 files changed, 28 insertions, 0 deletions
diff --git a/linux-user/safe-syscall-error.c b/linux-user/safe-syscall-error.c
new file mode 100644
index 0000000000..d7e2700f81
--- /dev/null
+++ b/linux-user/safe-syscall-error.c
@@ -0,0 +1,28 @@
+/*
+ * safe-syscall-error.c: errno setting fragment
+ * This is intended to be invoked by safe-syscall.S
+ *
+ * Written by Richard Henderson <rth@twiddle.net>
+ * Copyright (C) 2021 Red Hat, Inc.
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#include "qemu/osdep.h"
+#include "hostdep.h"
+#include "safe-syscall.h"
+
+#ifdef HAVE_SAFE_SYSCALL
+/*
+ * This is intended to be invoked via tail-call on the error path
+ * from the assembly in host/arch/safe-syscall.inc.S.  This takes
+ * care of the host specific addressing of errno.
+ * Return -1 to finalize the return value for safe_syscall_base.
+ */
+long safe_syscall_set_errno_tail(int value)
+{
+    errno = value;
+    return -1;
+}
+#endif