X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fvalidate.h;h=c445e7eb08fada7e8d7b80dc697835a1986202e0;hb=35ab27e7aab71c94aa6be12da15603c7fd87fca8;hp=b0f962b102331a57f7befe8cd99fc81f237414dd;hpb=dfa55a883f94470267b626dae77ce7e7dfac3df6;p=sbcl.git

diff --git a/src/runtime/validate.h b/src/runtime/validate.h
index b0f962b..c445e7e 100644
--- a/src/runtime/validate.h
+++ b/src/runtime/validate.h
@@ -12,15 +12,104 @@
 #if !defined(_INCLUDE_VALIDATE_H_)
 #define _INCLUDE_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
+
+#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)
+
 /* 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)
+#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)
+#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)
+
+#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_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
@@ -28,15 +117,13 @@ extern void validate(void);
  *
  * CMU CL had architecture-dependent header files included here to
  * define memory map data:
- *   #ifdef __i386__
+ *   #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. 
+ * architecture-dependent header file of memory map data.
  */
 
-
-
 #endif