diff --git a/ldb/validate.h b/ldb/validate.h
new file mode 100644
index 0000000000000000000000000000000000000000..1dd03de40eba8e52f6bb51b546752fca511a20fe
--- /dev/null
+++ b/ldb/validate.h
@@ -0,0 +1,22 @@
+/* $Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/ldb/Attic/validate.h,v 1.1 1990/03/29 21:14:32 ch Exp $ */
+
+#if !defined(_INCLUDE_VALIDATE_H_)
+#define _INCLUDE_VALIDATE_H_
+
+#define READ_ONLY_SPACE_START	(0x20000000)
+#define READ_ONLY_SPACE_SIZE	(0x01000000)
+
+#define STATIC_SPACE_START	(0x30000000)
+#define STATIC_SPACE_SIZE	(0x01000000)
+
+#define DYNAMIC_0_SPACE_START	(0x40000000)
+#define DYNAMIC_1_SPACE_START	(0x48000000)
+#define DYNAMIC_SPACE_SIZE	(0x08000000)
+
+#define CONTROL_STACK_START	(0x50000000)
+#define CONTROL_STACK_SIZE	(0x02000000)
+
+#define BINDING_STACK_START	(0x60000000)
+#define BINDING_STACK_SIZE	(0x02000000)
+
+#endif