;;;; that part of the parms.lisp file from original CMU CL which is defined in ;;;; terms of the BACKEND structure ;;;; ;;;; FIXME: When we break up the BACKEND structure, this might be mergeable ;;;; back into the parms.lisp file. ;;;; This software is part of the SBCL system. See the README file for ;;;; more information. ;;;; ;;;; This software is derived from the CMU CL system, which was ;;;; written at Carnegie Mellon University and released into the ;;;; public domain. The software is in the public domain and is ;;;; provided with absolutely no warranty. See the COPYING and CREDITS ;;;; files for more information. (in-package "SB!VM") ;;;; compiler constants (setf *backend-fasl-file-type* "x86f") (setf *backend-fasl-file-implementation* :x86) (setf *backend-fasl-file-version* 9) ;;; 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 (setf *backend-register-save-penalty* 3) (setf *backend-byte-order* :little-endian) (setf *backend-page-size* 4096) ;;; comment from CMU CL: ;;; ;;; in case we ever wanted to do this for Windows NT.. ;;; ;;; Windows NT uses a memory system granularity of 64K, which means ;;; everything that gets mapped must be a multiple of that. The real ;;; 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)