new file mode 100644
--- /dev/null
+++ b/packages/hal/common/current/tests/vaargs.c
@@ -0,0 +1,146 @@
+//=================================================================
+//
+//        vaargs.c
+//
+//        HAL variable argument calls test
+//
+//==========================================================================
+//####COPYRIGHTBEGIN####
+//                                                                          
+// -------------------------------------------                              
+// The contents of this file are subject to the Red Hat eCos Public License 
+// Version 1.1 (the "License"); you may not use this file except in         
+// compliance with the License.  You may obtain a copy of the License at    
+// http://www.redhat.com/                                                   
+//                                                                          
+// Software distributed under the License is distributed on an "AS IS"      
+// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the 
+// License for the specific language governing rights and limitations under 
+// the License.                                                             
+//                                                                          
+// The Original Code is eCos - Embedded Configurable Operating System,      
+// released September 30, 1998.                                             
+//                                                                          
+// The Initial Developer of the Original Code is Red Hat.                   
+// Portions created by Red Hat are                                          
+// Copyright (C) 1998, 1999, 2000, 2001 Red Hat, Inc.
+// All Rights Reserved.                                                     
+// -------------------------------------------                              
+//                                                                          
+//####COPYRIGHTEND####
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):     jskov
+// Contributors:  jskov
+// Date:          2001-08-03
+//####DESCRIPTIONEND####
+//==========================================================================
+
+#include <cyg/infra/testcase.h>         // test case macros
+#include <cyg/infra/diag.h>             // diag_printf
+#include <cyg/infra/cyg_ass.h>          // assertions
+
+#include <cyg/hal/hal_arch.h>           // context macros
+
+#include <stdarg.h>                     // vaargs magic
+
+// -------------------------------------------------------------------------
+
+int
+function(int n, ...)
+{
+    va_list args;
+    int c = 11 * n;
+    int i = 1;
+    int res = 1;
+
+    CYG_ASSERT(n >= 0 && n < 8, "Invalid count argument");
+
+    va_start(args, n);
+
+    for (i = 1; i <= n; c++, i++) {
+        int v = va_arg(args, int);
+        if (v != c) {
+            diag_printf("FAIL:<Bad argument: index %d expected %d got %d>\n", i, c, v);
+            res = 0;
+        }
+    }       
+
+    va_end(args);
+
+    return res;
+}
+
+int
+function_proxy(int n, va_list args)
+{
+    int c = 11 * n;
+    int i = 1;
+    int res = 1;
+
+    CYG_ASSERT(n >= 0 && n < 8, "Invalid count argument");
+
+    for (i = 1; i <= n; c++, i++) {
+        int v = va_arg(args, int);
+        if (v != c) {
+            diag_printf("FAIL:<Bad argument: index %d expected %d got %d>\n", i, c, v);
+            res = 0;
+        }
+    }       
+
+    return res;
+}
+
+int
+proxy(int n, ...)
+{
+    int res;
+    va_list args;
+
+    va_start(args, n);
+    res = function_proxy(n, args);
+    va_end(args);
+
+    return res;
+}
+
+
+void
+entry(void)
+{
+    int res;
+
+    res =  function(0);
+    res &= function(1, 11);
+    res &= function(2, 22, 23);
+    res &= function(3, 33, 34, 35);
+    res &= function(4, 44, 45, 46, 47);
+    res &= function(5, 55, 56, 57, 58, 59);
+    res &= function(6, 66, 67, 68, 69, 70, 71);
+    res &= function(7, 77, 78, 79, 80, 81, 82, 83);
+    CYG_TEST_PASS_FAIL(res, "Direct vaargs calls");
+
+    res =  proxy(0);
+    res &= proxy(1, 11);
+    res &= proxy(2, 22, 23);
+    res &= proxy(3, 33, 34, 35);
+    res &= proxy(4, 44, 45, 46, 47);
+    res &= proxy(5, 55, 56, 57, 58, 59);
+    res &= proxy(6, 66, 67, 68, 69, 70, 71);
+    res &= proxy(7, 77, 78, 79, 80, 81, 82, 83);
+    CYG_TEST_PASS_FAIL(res, "Proxy vaargs calls");
+
+    CYG_TEST_FINISH("HAL vaargs test");
+}
+
+// -------------------------------------------------------------------------
+
+externC void
+cyg_start( void )
+{
+    entry();
+}
+
+// -------------------------------------------------------------------------
+// EOF vaargs.c