Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / scripts / gcc-goto.sh

diff --git a/kernel/scripts/gcc-goto.sh b/kernel/scripts/gcc-goto.sh
new file mode 100755 (executable)
index 0000000..c9469d3
--- /dev/null
+++ b/kernel/scripts/gcc-goto.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+# Test for gcc 'asm goto' support
+# Copyright (C) 2010, Jason Baron <jbaron@redhat.com>
+
+cat << "END" | $@ -x c - -c -o /dev/null >/dev/null 2>&1 && echo "y"
+int main(void)
+{
+#if defined(__arm__) || defined(__aarch64__)
+       /*
+        * Not related to asm goto, but used by jump label
+        * and broken on some ARM GCC versions (see GCC Bug 48637).
+        */
+       static struct { int dummy; int state; } tp;
+       asm (".long %c0" :: "i" (&tp.state));
+#endif
+
+entry:
+       asm goto ("" :::: entry);
+       return 0;
+}
+END