\f
;;;; compiler constants
-(defconstant +backend-fasl-file-implementation+ :x86)
+(def!constant +backend-fasl-file-implementation+ :x86)
(setf *backend-register-save-penalty* 3)
;;; code for it, but mostly we need it for GENESIS, which doesn't in
;;; general have our C runtime code running to ask, so instead we set
;;; it by hand. -- WHN 2001-04-15
-(setf *backend-page-size* 4096)
+;;;
+;;; Actually any information that we can retrieve C-side would be
+;;; useless in SBCL, since it's possible for otherwise binary
+;;; compatible systems to return different values for getpagesize().
+;;; -- JES, 2007-01-06
+(eval-when (:compile-toplevel :load-toplevel :execute)
+ (setf *backend-page-bytes* 4096))
;;; comment from CMU CL:
;;;
;;; in case we ever wanted to do this for Windows NT..
;;; page size is 512, but that doesn't do us a whole lot of good.
;;; Effectively, the page size is 64K.
;;;
-;;; would be: (setf *backend-page-size* 65536)
+;;; would be: (setf *backend-page-bytes* 65536)
+
+;;; The size in bytes of the GENCGC pages. Should be a multiple of the
+;;; architecture code size.
+(def!constant gencgc-page-bytes *backend-page-bytes*)