Added backtrace.c in test/

test/backtrace.c

@@ -0,0 +1,19 @@
+#include "ucore_backtrace.h"
+
+//note , compiling this without -rdynamic does not
+//translate addresses to function names. Use the addr2line in that case
+void func2(void)
+{
+    uc_backtrace_fd(2);
+}
+
+void func1(void)
+{
+    func2();
+}
+
+int main(int argc, char *argv[])
+{
+    func1();
+    return;
+}