first commit for chrg

rt-thread/components/lwp/vdso/vdso_weak.c

@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2006-2024 RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author         Notes
+ * 2024-07-04     rcitach        init ver.
+ */
+
+#include <rtthread.h>
+#include <lwp_user_mm.h>
+#include "vdso.h"
+
+rt_weak int arch_setup_additional_pages(struct rt_lwp *lwp)
+{
+    return -RT_ERROR;
+}
+
+rt_weak void rt_vdso_update_glob_time(void)
+{
+    return ;
+}