diff --git a/kernel/kdb/glue/v4-x86/x64/space.cc b/kernel/kdb/glue/v4-x86/x64/space.cc
new file mode 100755
index 00000000..e04bb112
--- /dev/null
+++ b/kernel/kdb/glue/v4-x86/x64/space.cc
@@ -0,0 +1,85 @@
+/*********************************************************************
+ *                
+ * Copyright (C) 2003-2005,  Karlsruhe University
+ *                
+ * File path:     kdb/glue/v4-amd64/space.cc
+ * Description:   Various space management stuff
+ *                
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *                
+ * $Id: space.cc,v 1.3 2006/10/19 22:57:36 ud3 Exp $
+ *                
+ ********************************************************************/
+#include <debug.h>
+#include <kdb/cmd.h>
+#include <kdb/kdb.h>
+#include <kdb/input.h>
+#include <linear_ptab.h>
+
+void get_ptab_dump_ranges (addr_t * vaddr, word_t * num, pgent_t::pgsize_e *max_size)
+{
+    switch (get_choice ("Memory area", "Complete/User/Kernel(w/o tcb&remap)/Tcb/Remap"
+#if defined(CONFIG_X86_IO_FLEXPAGES)
+			"/tSs"
+#endif
+			, 'c'))
+    {
+    case 'c':
+	*vaddr = (addr_t) 0;
+	*max_size = pgent_t::size_max;
+	*num = page_table_size (*max_size);	
+	break;
+    case 'u':
+	*vaddr = (addr_t) 0;
+	*max_size = pgent_t::size_max;
+	*num = page_table_index (*max_size, (addr_t) USER_AREA_END) - 
+	    page_table_index (*max_size, (addr_t) USER_AREA_START);
+	break;
+    case 'k':
+	/*
+	 * we print kernel space w/o remap area
+	 */
+	*vaddr = (addr_t) REMAP_32BIT_END;
+	*max_size = pgent_t::size_1g;
+	*num = 1;
+	break;
+    case 't':
+	*vaddr = (addr_t) KTCB_AREA_START;
+	*max_size = pgent_t::size_1g;
+	*num = 1;
+	break;
+    case 'r':
+	*vaddr = (addr_t) REMAP_32BIT_START;
+	*max_size = pgent_t::size_1g;
+	*num = page_table_index (*max_size, (addr_t) REMAP_32BIT_END) - 
+	    page_table_index (*max_size, (addr_t) REMAP_32BIT_START);
+	break;
+#if defined(CONFIG_X86_IO_FLEXPAGES)
+    case 's':
+	*vaddr = (addr_t) TSS_MAPPING;
+	*max_size = pgent_t::size_1g;
+	*num = 1;
+	break;
+#endif
+
+    }
+}