From 70e52cba1b27fe65dc743b44bb73dc1a5c718bbe Mon Sep 17 00:00:00 2001
From: DJ Delorie <dj@redhat.com>
Date: Fri, 16 Jan 2015 22:21:34 +0000
Subject: * rl78/crt0.S: Initialize .saddr.  Avoid using SEL. *
 rl78/rl78-sim.ld: Add .saddr/.frodata section. * rl78/rl78.ld: Likewise. *
 rl78/rl78-sim.ld: Make room for virtual register banks. * rl78/rl78.ld:
 Likewise.

* rl78/vregs.h: New.
* rl78-sys.h: Use it.
* rl78/swrite.S: New.
* rl78/Makefile.in: Build it.
* rl78/write.c: Use it.
---
 libgloss/rl78/write.c | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'libgloss/rl78/write.c')

diff --git a/libgloss/rl78/write.c b/libgloss/rl78/write.c
index 2adeb94f1..0b4222078 100644
--- a/libgloss/rl78/write.c
+++ b/libgloss/rl78/write.c
@@ -85,11 +85,17 @@ tputc (char c)
   SDR00 = c;
 }
 
+/* defaults to 0 unless open() is linked in */
+int _open_present;
+
 int
 _write(int fd, char *ptr, int len)
 {
   int rv = len;
 
+  if (_open_present && fd > 2)
+    return _SYS_write (fd, ptr, len);
+
   if (!initted)
     init_uart0 ();
 
-- 
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