X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fvalidate.h;h=c445e7eb08fada7e8d7b80dc697835a1986202e0;hb=961c6bf2eda5d492d5dbb7e275fe4e0931f7adf8;hp=b0f9122f94eea00dd9dffec5ba684b0d7b6c6c81;hpb=f815f89eb5b1a7d5e6fefaf5b19321d8870931f9;p=sbcl.git

diff --git a/src/runtime/validate.h b/src/runtime/validate.h
index b0f9122..c445e7e 100644
--- a/src/runtime/validate.h
+++ b/src/runtime/validate.h
@@ -18,6 +18,8 @@
 #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)
 
@@ -36,25 +38,77 @@
 
 #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)
 #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)
+
 #endif
 
+#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_guard_page(int protect_p);
-extern void protect_control_stack_return_guard_page(int protect_p);
-extern void protect_control_stack_guard_page_thread(int protect_p,
-                                                    struct thread *th);
-extern void protect_control_stack_return_guard_page_thread(int protect_p,
-                                                           struct thread* th);
+
+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