20000317 sourceware import

libgloss/rs6000/sim-errno.c

@@ -0,0 +1,33 @@
+/*
+ * sim-errno.c -- return address of errno for current thread.
+ *
+ * Copyright (c) 1995 Cygnus Support
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+
+int errno;
+
+int *
+__errno ()
+{
+  return &errno;
+}
+
+/* syscall handler branches here in case of error. */
+
+int
+_cerror (e)
+     int e;
+{
+  errno = e;
+  return -1;
+}