#if !defined(LANGUAGE_ASSEMBLY)
#include <thread.h>
#ifdef LISP_FEATURE_STACK_GROWS_DOWNWARD_NOT_UPWARD
-#define CONTROL_STACK_GUARD_PAGE(th) \
+
+#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)
-#define ALIEN_STACK_GUARD_PAGE(th) \
+
+#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)
+
#else
-#define CONTROL_STACK_GUARD_PAGE(th) \
+
+#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)
-#define ALIEN_STACK_GUARD_PAGE(th) \
+
+#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)
+
#endif
-#define BINDING_STACK_GUARD_PAGE(th) \
+#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);