1.0.28.28: delete %RAW-BITS and %SET-RAW-BITS

[sbcl.git] / src / compiler / x86 / backend-parms.lisp

diff --git a/src/compiler/x86/backend-parms.lisp b/src/compiler/x86/backend-parms.lisp
index be2a8f4..3f8cf62 100644 (file)
--- a/src/compiler/x86/backend-parms.lisp
+++ b/src/compiler/x86/backend-parms.lisp
@@ -17,8 +17,7 @@
 \f
 ;;;; compiler constants
 
-(setf *backend-fasl-file-type* "x86f")
-(defconstant +backend-fasl-file-implementation+ :x86)
+(def!constant +backend-fasl-file-implementation+ :x86)
 
 (setf *backend-register-save-penalty* 3)
 
@@ -28,7 +27,13 @@
 ;;; 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..
@@ -38,4 +43,8 @@
 ;;;   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*)