#if !defined(_INCLUDE_VALIDATE_H_)
#define _INCLUDE_VALIDATE_H_
-#ifdef parisc
-#include "hppa-validate.h"
-#endif parisc
-
-#ifdef mips
-#include "mips-validate.h"
+#ifndef LISP_FEATURE_GENCGC
+/* FIXME: genesis/constants.h also defines this with a constant value */
+#define DYNAMIC_SPACE_START current_dynamic_space
#endif
-#ifdef ibmrt
-#include "rt-validate.h"
-#endif
+#define BINDING_STACK_SIZE (1024*1024) /* chosen at random */
+#define ALIEN_STACK_SIZE (1024*1024) /* chosen at random */
+
+/* eventually choosable per-thread: */
+#define DEFAULT_CONTROL_STACK_SIZE (2*1024*1024)
-#ifdef sparc
-#include "sparc-validate.h"
+/* constants derived from the fundamental constants in passed by GENESIS */
+#ifdef LISP_FEATURE_GENCGC
+#define DEFAULT_DYNAMIC_SPACE_SIZE (DYNAMIC_SPACE_END - DYNAMIC_SPACE_START)
+#else
+#define DEFAULT_DYNAMIC_SPACE_SIZE (DYNAMIC_0_SPACE_END - DYNAMIC_0_SPACE_START)
#endif
+#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_LINKAGE_TABLE
+#define LINKAGE_TABLE_SPACE_SIZE \
+ (LINKAGE_TABLE_SPACE_END - LINKAGE_TABLE_SPACE_START)
+#endif
+
+#if !defined(LANGUAGE_ASSEMBLY)
+#include <thread.h>
+
+#ifdef LISP_FEATURE_STACK_GROWS_DOWNWARD_NOT_UPWARD
+
+#define CONTROL_STACK_HARD_GUARD_PAGE(th) \
+ ((os_vm_address_t)(th->control_stack_start))
+#define CONTROL_STACK_GUARD_PAGE(th) \
+ (CONTROL_STACK_HARD_GUARD_PAGE(th) + os_vm_page_size)
+#define CONTROL_STACK_RETURN_GUARD_PAGE(th) \
+ (CONTROL_STACK_GUARD_PAGE(th) + os_vm_page_size)
+#else
+
+#define CONTROL_STACK_HARD_GUARD_PAGE(th) \
+ (((os_vm_address_t)(th->control_stack_end)) - os_vm_page_size)
+#define CONTROL_STACK_GUARD_PAGE(th) \
+ (CONTROL_STACK_HARD_GUARD_PAGE(th) - os_vm_page_size)
+#define CONTROL_STACK_RETURN_GUARD_PAGE(th) \
+ (CONTROL_STACK_GUARD_PAGE(th) - os_vm_page_size)
-#ifdef __i386__
-#include "x86-validate.h"
#endif
-#ifdef alpha
-#include "alpha-validate.h"
+#ifdef ALIEN_STACK_GROWS_DOWNWARD
+
+#define ALIEN_STACK_HARD_GUARD_PAGE(th) \
+ ((os_vm_address_t)(th->alien_stack_start))
+#define ALIEN_STACK_GUARD_PAGE(th) \
+ (ALIEN_STACK_HARD_GUARD_PAGE(th) + os_vm_page_size)
+#define ALIEN_STACK_RETURN_GUARD_PAGE(th) \
+ (ALIEN_STACK_GUARD_PAGE(th) + os_vm_page_size)
+
+#elif ALIEN_STACK_GROWS_UPWARD
+
+#define ALIEN_STACK_HARD_GUARD_PAGE(th) \
+ (((os_vm_address_t)th->alien_stack_start) + ALIEN_STACK_SIZE - \
+ os_vm_page_size)
+#define ALIEN_STACK_GUARD_PAGE(th) \
+ (ALIEN_STACK_HARD_GUARD_PAGE(th) - os_vm_page_size)
+#define ALIEN_STACK_RETURN_GUARD_PAGE(th) \
+ (ALIEN_STACK_GUARD_PAGE(th) - os_vm_page_size)
+
+#else
+#error ALIEN_STACK_GROWS_DOWNWARD or ALIEN_STACK_GROWS_UPWARD has to be defined
#endif
+#define BINDING_STACK_HARD_GUARD_PAGE(th) \
+ (((os_vm_address_t)th->binding_stack_start) + BINDING_STACK_SIZE - \
+ os_vm_page_size)
+#define BINDING_STACK_GUARD_PAGE(th) \
+ (BINDING_STACK_HARD_GUARD_PAGE(th) - os_vm_page_size)
+#define BINDING_STACK_RETURN_GUARD_PAGE(th) \
+ (BINDING_STACK_GUARD_PAGE(th) - os_vm_page_size)
+
extern void validate(void);
+extern void
+protect_control_stack_hard_guard_page(int protect_p, struct thread *thread);
+extern void
+protect_control_stack_guard_page(int protect_p, struct thread *thread);
+extern void
+protect_control_stack_return_guard_page(int protect_p, struct thread *thread);
+extern void
+protect_binding_stack_hard_guard_page(int protect_p, struct thread *thread);
+extern void
+protect_binding_stack_guard_page(int protect_p, struct thread *thread);
+extern void
+protect_binding_stack_return_guard_page(int protect_p, struct thread *thread);
+extern void
+protect_alien_stack_hard_guard_page(int protect_p, struct thread *thread);
+extern void
+protect_alien_stack_guard_page(int protect_p, struct thread *thread);
+extern void
+protect_alien_stack_return_guard_page(int protect_p, struct thread *thread);
+extern os_vm_address_t undefined_alien_address;
+#endif
+
+/* 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 LISP_FEATURE_X86
+ * #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