From 1ecaba192cef7fbdfb28504275d9396af7e4da36 Mon Sep 17 00:00:00 2001
From: Keir Fraser <keir.fraser@citrix.com>
Date: Tue, 31 Mar 2009 11:36:11 +0100
Subject: minios: _chk_fail and _chk canaries for minios and newlib

Add __stack_chk_fail to mini-os and __sprintf_chk __fprintf_chk to
newlib, to cope with ocaml runtimes compiled with -fstack-protector.

From: "George S. Coker, II" <gscoker@alpha.ncsc.mil>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
---
 extras/mini-os/lib/stack_chk_fail.c | 8 ++++++++
 1 file changed, 8 insertions(+)
 create mode 100644 extras/mini-os/lib/stack_chk_fail.c

(limited to 'extras/mini-os/lib')

diff --git a/extras/mini-os/lib/stack_chk_fail.c b/extras/mini-os/lib/stack_chk_fail.c
new file mode 100644
index 0000000000..ade0045f0a
--- /dev/null
+++ b/extras/mini-os/lib/stack_chk_fail.c
@@ -0,0 +1,8 @@
+#include <kernel.h>
+#include <console.h>
+
+void __stack_chk_fail(void)
+{
+    printk("stack smashing detected\n");
+    do_exit();
+}
-- 
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