Initial C++ runtime work. Much more to do.

libcpprt.cc

@@ -0,0 +1,46 @@
+extern "C"
+{
+	#include <sys/param.h>
+	#include <sys/module.h>
+	#include <sys/kernel.h>
+	#include <sys/systm.h>
+
+	void libcpprt_entry();
+	void libcpprt_close();
+}
+
+class Testing
+{
+	public:
+		explicit inline Testing() {}
+		virtual ~Testing() {}
+
+		virtual void core() const= 0;
+};
+
+Testing *tester= nullptr;
+
+class TestingImpl : public Testing
+{
+	public:
+		virtual void
+		core() const override
+		{
+			uprintf( "In impl." );
+		}
+};
+
+void
+libcpprt_entry()
+{
+	uprintf( "Hello\n" );
+	if( 1 ) tester= new TestingImpl();
+}
+
+
+void
+libcpprt_close()
+{
+	uprintf( "Goodbye\n" );
+	if( 1 ) delete tester;
+}