X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fvalidate.h;h=0d82b3fc912b63da1167933aec27b2157185b78c;hb=f10dce4be24d44e1db0fb3d5b1d3689d6caa062a;hp=5196d60d726cc0e865f515c50898bceb88eb0457;hpb=3a0a9c16a4ccaebd6423f4fe7870111c4dab25a8;p=sbcl.git

diff --git a/src/runtime/validate.h b/src/runtime/validate.h
index 5196d60..0d82b3f 100644
--- a/src/runtime/validate.h
+++ b/src/runtime/validate.h
@@ -13,14 +13,23 @@
 #define _INCLUDE_VALIDATE_H_
 
 /* 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   BINDING_STACK_SIZE (1024*1024) /* chosen at random */
 #define   DYNAMIC_SPACE_SIZE (  DYNAMIC_SPACE_END -   DYNAMIC_SPACE_START)
 #define READ_ONLY_SPACE_SIZE (READ_ONLY_SPACE_END - READ_ONLY_SPACE_START)
 #define    STATIC_SPACE_SIZE (   STATIC_SPACE_END -    STATIC_SPACE_START)
+#define THREAD_CONTROL_STACK_SIZE (2*1024*1024)	/* eventually this'll be choosable per-thread */
 
 #if !defined(LANGUAGE_ASSEMBLY)
+#include <thread.h>
+#ifdef LISP_FEATURE_STACK_GROWS_DOWNWARD_NOT_UPWARD 
+#define CONTROL_STACK_GUARD_PAGE(th) ((void *)(th->control_stack_start))
+#else
+#define CONTROL_STACK_GUARD_PAGE(th) \
+     (((void *)(th->control_stack_end)) - os_vm_page_size)
+#endif
+
 extern void validate(void);
+extern void protect_control_stack_guard_page(pid_t t_id, int protect_p);
 #endif
 
 /* note for anyone trying to port an architecture's support files
@@ -28,12 +37,13 @@ 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 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. */
+ * 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