#if !defined(_INCLUDE_VALIDATE_H_)
#define _INCLUDE_VALIDATE_H_
-#ifdef parisc
-#include "hppa-validate.h"
-#endif parisc
-
-#ifdef mips
-#include "mips-validate.h"
-#endif
-
-#ifdef ibmrt
-#include "rt-validate.h"
+/* constants derived from the fundamental constants in passed by GENESIS */
+#define BINDING_STACK_SIZE ( BINDING_STACK_END - BINDING_STACK_START)
+#define CONTROL_STACK_SIZE ( CONTROL_STACK_END - CONTROL_STACK_START)
+#define DYNAMIC_SPACE_SIZE ( DYNAMIC_SPACE_END - DYNAMIC_SPACE_START)
+#define READ_ONLY_SPACE_SIZE (READ_ONLY_SPACE_END - READ_ONLY_SPACE_START)
+#define STATIC_SPACE_SIZE ( STATIC_SPACE_END - STATIC_SPACE_START)
+
+#ifdef LISP_FEATURE_STACK_GROWS_DOWNWARD_NOT_UPWARD
+#define CONTROL_STACK_GUARD_PAGE (CONTROL_STACK_START)
+#else
+#define CONTROL_STACK_GUARD_PAGE (CONTROL_STACK_END - os_vm_page_size)
#endif
-#ifdef sparc
-#include "sparc-validate.h"
-#endif
-
-#ifdef __i386__
-#include "x86-validate.h"
-#endif
-
-#ifdef alpha
-#include "alpha-validate.h"
+#if !defined(LANGUAGE_ASSEMBLY)
+extern void validate(void);
+extern void protect_control_stack_guard_page(int protect_p);
#endif
-extern void validate(void);
+/* note for anyone trying to port an architecture's support files
+ * from CMU CL to SBCL:
+ *
+ * CMU CL had architecture-dependent header files included here to
+ * define memory map data:
+ * #ifdef __i386__
+ * #include "x86-validate.h"
+ * #endif
+ * and so forth. In SBCL, the memory map data are defined at the Lisp
+ * level (compiler/target/parms.lisp) and stuffed into the sbcl.h file
+ * created by GENESIS, so there's no longer a need for an
+ * architecture-dependent header file of memory map data.
+ */
#endif