0.9.3.32:

[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 057a09c..a1802f5 100644 (file)
--- a/src/compiler/x86/backend-parms.lisp
+++ b/src/compiler/x86/backend-parms.lisp
@@ -17,32 +17,7 @@
 \f
 ;;;; compiler constants
 
-(setf *backend-fasl-file-type* "x86f")
-(setf *backend-fasl-file-implementation* :x86)
-
-(setf *backend-fasl-file-version* 11)
-;;; 2 = sbcl-0.6.4 uses COMPILE-OR-LOAD-DEFGENERIC.
-;;; 3 = sbcl-0.6.6 uses private symbol, not :EMPTY, for empty HASH-TABLE slot.
-;;; 4 = sbcl-0.6.7 uses HAIRY-DATA-VECTOR-REF and HAIRY-DATA-VECTOR-SET
-;;;     when array headers or data element type uncertainty exist, and
-;;;     uses DATA-VECTOR-REF and DATA-VECTOR-SET only for VOPs. (Thus,
-;;;     full calls to DATA-VECTOR-REF and DATA-VECTOR-SET from older
-;;;     fasl files would fail, because there are no DEFUNs for these
-;;;     operations any more.)
-;;; 5 = sbcl-0.6.8 has rearranged static symbols.
-;;; 6 = sbcl-0.6.9, got rid of non-ANSI %DEFCONSTANT/%%DEFCONSTANT stuff
-;;;     and deleted a slot from DEBUG-SOURCE structure.
-;;; 7 = around sbcl-0.6.9.8, merged SB-CONDITIONS package into SB-KERNEL
-;;; 8 = sbcl-0.6.10.4 revived Gray stream support, changing stream layouts.
-;;; 9 = deleted obsolete CONS-UNIQUE-TAG bytecode in sbcl-0.6.11.8
-;;; (somewhere in here also changes to AND and OR CTYPE layouts) 
-;;; 10 = new layout for CONDITION in sbcl-0.6.11.38
-;;; 11 = (a) new helper functions for MAKE-LOAD-FORM (HASH-TABLE) in
-;;;      sbcl-0.6.12.11
-;;;      (b) new address space constants for OpenBSD in 0.6.12.17,
-;;;          doesn't need separate version from (a) because the OpenBSD
-;;;          port was broken from sometime before 0.6.12.11 until
-;;;          the address space was changed
+(def!constant +backend-fasl-file-implementation+ :x86)
 
 (setf *backend-register-save-penalty* 3)
 
@@ -52,6 +27,17 @@
 ;;; 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
+;;;
+;;; Though note that POSIX specifies (as far as I can tell)
+;;;
+;;;   sysconf(_SC_PAGE_SIZE);
+;;;
+;;; as a portable way of retrieving this information; a call to this
+;;; could be made in grovel-headers (which, strictly speaking, would
+;;; no longer solely be grovelling headers), though the question of
+;;; how to make this information appear in GENESIS, which is built and
+;;; run from host-1 files (which are made before grovel-headers runs)
+;;; would remain.  -- CSR, 2002-09-01
 (setf *backend-page-size* 4096)
 ;;; comment from CMU CL:
 ;;;