1 files changed, 27 insertions, 0 deletions
diff --git a/libgo/go/runtime/internal/syscall/errno.c b/libgo/go/runtime/internal/syscall/errno.c
new file mode 100644
index 00000000000..2bc59007b31
--- /dev/null
+++ b/libgo/go/runtime/internal/syscall/errno.c
@@ -0,0 +1,27 @@
+/* errno.c -- functions for getting and setting errno
+
+   Copyright 2022 The Go Authors. All rights reserved.
+   Use of this source code is governed by a BSD-style
+   license that can be found in the LICENSE file.  */
+#include <errno.h>
+#include <stdint.h>
+
+#include "runtime.h"
+
+/* errno is typically a macro. These functions set and get errno
+   specific to the libc being used.  */
+
+uintptr_t getErrno(void) __asm__ (GOSYM_PREFIX "runtime_1internal_1syscall.getErrno");
+void setErrno(uintptr_t) __asm__ (GOSYM_PREFIX "runtime_1internal_1syscall.setErrno");
+
+uintptr_t
+getErrno(void)
+{
+  return (uintptr_t) errno;
+}
+
+void
+setErrno(uintptr_t value)
+{
+  errno = (int) value;
+}