X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fvalidate.h;h=7dfb73d4792618f5a5738be2401157db21f1b127;hb=eac461c1f1ca91cfe282c779291d582ed6b336cb;hp=c49186be1dbf4f833821445c55ca8f2cabaf4bb8;hpb=a530bbe337109d898d5b4a001fc8f1afa3b5dc39;p=sbcl.git

diff --git a/src/runtime/validate.h b/src/runtime/validate.h
index c49186b..7dfb73d 100644
--- a/src/runtime/validate.h
+++ b/src/runtime/validate.h
@@ -9,37 +9,113 @@
  * files for more information.
  */
 
-/*
- * $Header$
- */
-
 #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 */
 
-#ifdef sparc
-#include "sparc-validate.h"
-#endif
+/* eventually choosable per-thread: */
+#define DEFAULT_CONTROL_STACK_SIZE (2*1024*1024)
 
-#ifdef __i386__
-#include "x86-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
 
-#ifdef alpha
-#include "alpha-validate.h"
+#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)
+
+#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_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_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_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