start of FFI support, and a demo.

R=r
DELTA=494  (492 added, 0 deleted, 2 changed)
OCL=33784
CL=33810

1 files changed, 20 insertions, 0 deletions

diff --git a/usr/rsc/fib/6c.c b/usr/rsc/fib/6c.c
new file mode 100644
index 000000000..23ed84638
--- /dev/null
+++ b/usr/rsc/fib/6c.c
@@ -0,0 +1,20 @@
+// Copyright 2009 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 "runtime.h"
+#include "cgocall.h"
+
+// turn on ffi
+#pragma dynld initcgo initcgo "libcgo.so"
+#pragma dynld cgo cgo "libcgo.so"
+
+// pull in fib from fib.so
+#pragma dynld extern_c_fib fib "fib.so"
+void (*extern_c_fib)(void*);
+
+void
+fib·Fib(int32 n, int32, int32)
+{
+	cgocall(extern_c_fib, &n);
+}