(in-package "SB!VM")
\f
+;;; Make a fixnum out of NUM. (I.e. shift by two bits if it will fit.)
(defun fixnumize (num)
- #!+sb-doc
- "Make a fixnum out of NUM. (i.e. shift by two bits if it will fit.)"
(if (<= #x-20000000 num #x1fffffff)
(ash num 2)
- (error "~D is too big for a fixnum." num)))
+ (error "~W is too big for a fixnum." num)))
\f
;;;; routines for dealing with static symbols
(or (null symbol)
(and (member symbol *static-symbols*) t)))
+;;; the byte offset of the static symbol SYMBOL
(defun static-symbol-offset (symbol)
- #!+sb-doc
- "the byte offset of the static symbol SYMBOL"
(if symbol
(let ((posn (position symbol *static-symbols*)))
(unless posn (error "~S is not a static symbol." symbol))
(+ (* posn (pad-data-block symbol-size))
(pad-data-block (1- symbol-size))
- other-pointer-type
- (- list-pointer-type)))
+ other-pointer-lowtag
+ (- list-pointer-lowtag)))
0))
+;;; Given a byte offset, OFFSET, return the appropriate static symbol.
(defun offset-static-symbol (offset)
- #!+sb-doc
- "Given a byte offset, OFFSET, return the appropriate static symbol."
(if (zerop offset)
nil
(multiple-value-bind (n rem)
- (truncate (+ offset list-pointer-type (- other-pointer-type)
+ (truncate (+ offset list-pointer-lowtag (- other-pointer-lowtag)
(- (pad-data-block (1- symbol-size))))
(pad-data-block symbol-size))
(unless (and (zerop rem) (<= 0 n (1- (length *static-symbols*))))
- (error "The byte offset ~D is not valid." offset))
+ (error "The byte offset ~W is not valid." offset))
(elt *static-symbols* n))))
-(defun static-function-offset (name)
- #!+sb-doc
- "Return the (byte) offset from NIL to the start of the fdefn object
- for the static function NAME."
+;;; Return the (byte) offset from NIL to the start of the fdefn object
+;;; for the static function NAME.
+(defun static-fun-offset (name)
(let ((static-syms (length *static-symbols*))
- (static-function-index (position name *static-functions*)))
- (unless static-function-index
+ (static-fun-index (position name *static-funs*)))
+ (unless static-fun-index
(error "~S isn't a static function." name))
(+ (* static-syms (pad-data-block symbol-size))
(pad-data-block (1- symbol-size))
- (- list-pointer-type)
- (* static-function-index (pad-data-block fdefn-size))
- (* fdefn-raw-addr-slot word-bytes))))
+ (- list-pointer-lowtag)
+ (* static-fun-index (pad-data-block fdefn-size))
+ (* fdefn-raw-addr-slot n-word-bytes))))