;; the GSPACE that this descriptor is allocated in, or NIL if not set yet.
(gspace nil :type (or gspace null))
;; the offset in words from the start of GSPACE, or NIL if not set yet
- (word-offset nil :type (or (unsigned-byte #.sb!vm:word-bits) null))
- ;; the high and low halves of the descriptor KLUDGE: Judging from
- ;; the comments in genesis.lisp of the CMU CL old-rt compiler, this
- ;; split dates back from a very early version of genesis where
- ;; 32-bit integers were represented as conses of two 16-bit
- ;; integers. In any system with nice (UNSIGNED-BYTE 32) structure
- ;; slots, like CMU CL >= 17 or any version of SBCL, there seems to
- ;; be no reason to persist in this. -- WHN 19990917
- high low)
+ (word-offset nil :type (or (unsigned-byte #.sb!vm:n-word-bits) null))
+ ;; the high and low halves of the descriptor
+ ;;
+ ;; KLUDGE: Judging from the comments in genesis.lisp of the CMU CL
+ ;; old-rt compiler, this split dates back from a very early version
+ ;; of genesis where 32-bit integers were represented as conses of
+ ;; two 16-bit integers. In any system with nice (UNSIGNED-BYTE 32)
+ ;; structure slots, like CMU CL >= 17 or any version of SBCL, there
+ ;; seems to be no reason to persist in this. -- WHN 19990917
+ high
+ low)
(def!method print-object ((des descriptor) stream)
(let ((lowtag (descriptor-lowtag des)))
(print-unreadable-object (des stream :type t)
- (cond ((or (= lowtag sb!vm:even-fixnum-type)
- (= lowtag sb!vm:odd-fixnum-type))
+ (cond ((or (= lowtag sb!vm:even-fixnum-lowtag)
+ (= lowtag sb!vm:odd-fixnum-lowtag))
(let ((unsigned (logior (ash (descriptor-high des)
(1+ (- descriptor-low-bits
- sb!vm:lowtag-bits)))
+ sb!vm:n-lowtag-bits)))
(ash (descriptor-low des)
- (- 1 sb!vm:lowtag-bits)))))
+ (- 1 sb!vm:n-lowtag-bits)))))
(format stream
"for fixnum: ~D"
(if (> unsigned #x1FFFFFFF)
(- unsigned #x40000000)
unsigned))))
- ((or (= lowtag sb!vm:other-immediate-0-type)
- (= lowtag sb!vm:other-immediate-1-type))
+ ((or (= lowtag sb!vm:other-immediate-0-lowtag)
+ (= lowtag sb!vm:other-immediate-1-lowtag))
(format stream
"for other immediate: #X~X, type #b~8,'0B"
- (ash (descriptor-bits des) (- sb!vm:type-bits))
- (logand (descriptor-low des) sb!vm:type-mask)))
+ (ash (descriptor-bits des) (- sb!vm:n-widetag-bits))
+ (logand (descriptor-low des) sb!vm:widetag-mask)))
(t
(format stream
"for pointer: #X~X, lowtag #b~3,'0B, ~A"
;;; is needed, we grow the GSPACE. The descriptor returned is a
;;; pointer of type LOWTAG.
(defun allocate-cold-descriptor (gspace length lowtag)
- (let* ((bytes (round-up length (ash 1 sb!vm:lowtag-bits)))
+ (let* ((bytes (round-up length (ash 1 sb!vm:n-lowtag-bits)))
(old-free-word-index (gspace-free-word-index gspace))
(new-free-word-index (+ old-free-word-index
(ash bytes (- sb!vm:word-shift)))))
(defun descriptor-fixnum (des)
(let ((bits (descriptor-bits des)))
- (if (logbitp (1- sb!vm:word-bits) bits)
- ;; KLUDGE: The (- SB!VM:WORD-BITS 2) term here looks right to
- ;; me, and it works, but in CMU CL it was (1- SB!VM:WORD-BITS),
+ (if (logbitp (1- sb!vm:n-word-bits) bits)
+ ;; KLUDGE: The (- SB!VM:N-WORD-BITS 2) term here looks right to
+ ;; me, and it works, but in CMU CL it was (1- SB!VM:N-WORD-BITS),
;; and although that doesn't make sense for me, or work for me,
;; it's hard to see how it could have been wrong, since CMU CL
;; genesis worked. It would be nice to understand how this came
;; to be.. -- WHN 19990901
- (logior (ash bits -2) (ash -1 (- sb!vm:word-bits 2)))
+ (logior (ash bits -2) (ash -1 (- sb!vm:n-word-bits 2)))
(ash bits -2))))
;;; common idioms
(let ((lowtag (descriptor-lowtag des))
(high (descriptor-high des))
(low (descriptor-low des)))
- (if (or (eql lowtag sb!vm:function-pointer-type)
- (eql lowtag sb!vm:instance-pointer-type)
- (eql lowtag sb!vm:list-pointer-type)
- (eql lowtag sb!vm:other-pointer-type))
+ (if (or (eql lowtag sb!vm:fun-pointer-lowtag)
+ (eql lowtag sb!vm:instance-pointer-lowtag)
+ (eql lowtag sb!vm:list-pointer-lowtag)
+ (eql lowtag sb!vm:other-pointer-lowtag))
(dolist (gspace (list *dynamic* *static* *read-only*)
(error "couldn't find a GSPACE for ~S" des))
- ;; This code relies on the fact that GSPACEs are aligned such that
- ;; the descriptor-low-bits low bits are zero.
+ ;; This code relies on the fact that GSPACEs are aligned
+ ;; such that the descriptor-low-bits low bits are zero.
(when (and (>= high (ash (gspace-word-address gspace)
(- sb!vm:word-shift descriptor-low-bits)))
(<= high (ash (+ (gspace-word-address gspace)
(defun make-random-descriptor (value)
(make-descriptor (logand (ash value (- descriptor-low-bits))
(1- (ash 1
- (- sb!vm:word-bits descriptor-low-bits))))
+ (- sb!vm:n-word-bits
+ descriptor-low-bits))))
(logand value (1- (ash 1 descriptor-low-bits)))))
(defun make-fixnum-descriptor (num)
(when (>= (integer-length num)
- (1+ (- sb!vm:word-bits sb!vm:lowtag-bits)))
+ (1+ (- sb!vm:n-word-bits sb!vm:n-lowtag-bits)))
(error "~D is too big for a fixnum." num))
- (make-random-descriptor (ash num (1- sb!vm:lowtag-bits))))
+ (make-random-descriptor (ash num (1- sb!vm:n-lowtag-bits))))
(defun make-other-immediate-descriptor (data type)
- (make-descriptor (ash data (- sb!vm:type-bits descriptor-low-bits))
+ (make-descriptor (ash data (- sb!vm:n-widetag-bits descriptor-low-bits))
(logior (logand (ash data (- descriptor-low-bits
- sb!vm:type-bits))
+ sb!vm:n-widetag-bits))
(1- (ash 1 descriptor-low-bits)))
type)))
(defun make-character-descriptor (data)
- (make-other-immediate-descriptor data sb!vm:base-char-type))
+ (make-other-immediate-descriptor data sb!vm:base-char-widetag))
(defun descriptor-beyond (des offset type)
(let* ((low (logior (+ (logandc2 (descriptor-low des) sb!vm:lowtag-mask)
;;; a handle on the trap object
(defvar *unbound-marker*)
-;; was: (make-other-immediate-descriptor 0 sb!vm:unbound-marker-type)
+;; was: (make-other-immediate-descriptor 0 sb!vm:unbound-marker-widetag)
;;; a handle on the NIL object
(defvar *nil-descriptor*)
(defun maybe-byte-swap (word)
(declare (type (unsigned-byte 32) word))
- (aver (= sb!vm:word-bits 32))
+ (aver (= sb!vm:n-word-bits 32))
(aver (= sb!vm:byte-bits 8))
(if (not *genesis-byte-order-swap-p*)
word
(defun maybe-byte-swap-short (short)
(declare (type (unsigned-byte 16) short))
- (aver (= sb!vm:word-bits 32))
+ (aver (= sb!vm:n-word-bits 32))
(aver (= sb!vm:byte-bits 8))
(if (not *genesis-byte-order-swap-p*)
short
(ldb (byte 8 ,(* i 8)) new-value)))))
`(progn
(defun ,name (byte-vector byte-index)
- (aver (= sb!vm:word-bits 32))
+ (aver (= sb!vm:n-word-bits 32))
(aver (= sb!vm:byte-bits 8))
(ecase sb!c:*backend-byte-order*
(:little-endian
(:big-endian
(error "stub: no big-endian ports of SBCL (yet?)"))))
(defun (setf ,name) (new-value byte-vector byte-index)
- (aver (= sb!vm:word-bits 32))
+ (aver (= sb!vm:n-word-bits 32))
(aver (= sb!vm:byte-bits 8))
(ecase sb!c:*backend-byte-order*
(:little-endian
(let* ((bytes (/ (* element-bits length) sb!vm:byte-bits))
(des (allocate-cold-descriptor gspace
(+ bytes sb!vm:word-bytes)
- sb!vm:other-pointer-type)))
+ sb!vm:other-pointer-lowtag)))
(write-memory des
(make-other-immediate-descriptor (ash bytes
(- sb!vm:word-shift))
(let* ((bytes (/ (* element-bits length) sb!vm:byte-bits))
(des (allocate-cold-descriptor gspace
(+ bytes (* 2 sb!vm:word-bytes))
- sb!vm:other-pointer-type)))
+ sb!vm:other-pointer-lowtag)))
(write-memory des (make-other-immediate-descriptor 0 type))
(write-wordindexed des
sb!vm:vector-length-slot
(des (allocate-vector-object gspace
sb!vm:byte-bits
(1+ length)
- sb!vm:simple-string-type))
+ sb!vm:simple-string-widetag))
(bytes (gspace-bytes gspace))
(offset (+ (* sb!vm:vector-data-offset sb!vm:word-bytes)
(descriptor-byte-offset des))))
(defun bignum-to-core (n)
#!+sb-doc
"Copy a bignum to the cold core."
- (let* ((words (ceiling (1+ (integer-length n)) sb!vm:word-bits))
+ (let* ((words (ceiling (1+ (integer-length n)) sb!vm:n-word-bits))
(handle (allocate-unboxed-object *dynamic*
- sb!vm:word-bits
+ sb!vm:n-word-bits
words
- sb!vm:bignum-type)))
+ sb!vm:bignum-widetag)))
(declare (fixnum words))
(do ((index 1 (1+ index))
- (remainder n (ash remainder (- sb!vm:word-bits))))
+ (remainder n (ash remainder (- sb!vm:n-word-bits))))
((> index words)
(unless (zerop (integer-length remainder))
;; FIXME: Shouldn't this be a fatal error?
(warn "~D words of ~D were written, but ~D bits were left over."
words n remainder)))
- (let ((word (ldb (byte sb!vm:word-bits 0) remainder)))
+ (let ((word (ldb (byte sb!vm:n-word-bits 0) remainder)))
(write-wordindexed handle index
(make-descriptor (ash word (- descriptor-low-bits))
(ldb (byte descriptor-low-bits 0)
(defun number-pair-to-core (first second type)
#!+sb-doc
"Makes a number pair of TYPE (ratio or complex) and fills it in."
- (let ((des (allocate-unboxed-object *dynamic* sb!vm:word-bits 2 type)))
+ (let ((des (allocate-unboxed-object *dynamic* sb!vm:n-word-bits 2 type)))
(write-wordindexed des 1 first)
(write-wordindexed des 2 second)
des))
(etypecase x
(single-float
(let ((des (allocate-unboxed-object *dynamic*
- sb!vm:word-bits
+ sb!vm:n-word-bits
(1- sb!vm:single-float-size)
- sb!vm:single-float-type)))
+ sb!vm:single-float-widetag)))
(write-wordindexed des
sb!vm:single-float-value-slot
(make-random-descriptor (single-float-bits x)))
des))
(double-float
(let ((des (allocate-unboxed-object *dynamic*
- sb!vm:word-bits
+ sb!vm:n-word-bits
(1- sb!vm:double-float-size)
- sb!vm:double-float-type))
+ sb!vm:double-float-widetag))
(high-bits (make-random-descriptor (double-float-high-bits x)))
(low-bits (make-random-descriptor (double-float-low-bits x))))
(ecase sb!c:*backend-byte-order*
#!+(and long-float x86)
(long-float
(let ((des (allocate-unboxed-object *dynamic*
- sb!vm:word-bits
+ sb!vm:n-word-bits
(1- sb!vm:long-float-size)
- sb!vm:long-float-type))
+ sb!vm:long-float-widetag))
(exp-bits (make-random-descriptor (long-float-exp-bits x)))
(high-bits (make-random-descriptor (long-float-high-bits x)))
(low-bits (make-random-descriptor (long-float-low-bits x))))
(defun complex-single-float-to-core (num)
(declare (type (complex single-float) num))
- (let ((des (allocate-unboxed-object *dynamic* sb!vm:word-bits
+ (let ((des (allocate-unboxed-object *dynamic* sb!vm:n-word-bits
(1- sb!vm:complex-single-float-size)
- sb!vm:complex-single-float-type)))
+ sb!vm:complex-single-float-widetag)))
(write-wordindexed des sb!vm:complex-single-float-real-slot
(make-random-descriptor (single-float-bits (realpart num))))
(write-wordindexed des sb!vm:complex-single-float-imag-slot
(defun complex-double-float-to-core (num)
(declare (type (complex double-float) num))
- (let ((des (allocate-unboxed-object *dynamic* sb!vm:word-bits
+ (let ((des (allocate-unboxed-object *dynamic* sb!vm:n-word-bits
(1- sb!vm:complex-double-float-size)
- sb!vm:complex-double-float-type)))
+ sb!vm:complex-double-float-widetag)))
(let* ((real (realpart num))
(high-bits (make-random-descriptor (double-float-high-bits real)))
(low-bits (make-random-descriptor (double-float-low-bits real))))
(bignum-to-core number)))
(ratio (number-pair-to-core (number-to-core (numerator number))
(number-to-core (denominator number))
- sb!vm:ratio-type))
+ sb!vm:ratio-widetag))
((complex single-float) (complex-single-float-to-core number))
((complex double-float) (complex-double-float-to-core number))
#!+long-float
(error "~S isn't a cold-loadable number at all!" number))
(complex (number-pair-to-core (number-to-core (realpart number))
(number-to-core (imagpart number))
- sb!vm:complex-type))
+ sb!vm:complex-widetag))
(float (float-to-core number))
(t (error "~S isn't a cold-loadable number at all!" number))))
(declaim (ftype (function (sb!vm:word) descriptor) sap-to-core))
(defun sapint-to-core (sapint)
(let ((des (allocate-unboxed-object *dynamic*
- sb!vm:word-bits
+ sb!vm:n-word-bits
(1- sb!vm:sap-size)
- sb!vm:sap-type)))
+ sb!vm:sap-widetag)))
(write-wordindexed des
sb!vm:sap-pointer-slot
(make-random-descriptor sapint))
;;; Allocate a cons cell in GSPACE and fill it in with CAR and CDR.
(defun cold-cons (car cdr &optional (gspace *dynamic*))
- (let ((dest (allocate-boxed-object gspace 2 sb!vm:list-pointer-type)))
+ (let ((dest (allocate-boxed-object gspace 2 sb!vm:list-pointer-lowtag)))
(write-memory dest car)
(write-wordindexed dest 1 cdr)
dest))
;;; descriptor.
(defun vector-in-core (&rest objects)
(let* ((size (length objects))
- (result (allocate-vector-object *dynamic* sb!vm:word-bits size
- sb!vm:simple-vector-type)))
+ (result (allocate-vector-object *dynamic* sb!vm:n-word-bits size
+ sb!vm:simple-vector-widetag)))
(dotimes (index size)
(write-wordindexed result (+ index sb!vm:vector-data-offset)
(pop objects)))
(declare (simple-string name))
(let ((symbol (allocate-unboxed-object (or *cold-symbol-allocation-gspace*
*dynamic*)
- sb!vm:word-bits
+ sb!vm:n-word-bits
(1- sb!vm:symbol-size)
- sb!vm:symbol-header-type)))
+ sb!vm:symbol-header-widetag)))
(write-wordindexed symbol sb!vm:symbol-value-slot *unbound-marker*)
#!+x86
(write-wordindexed symbol
(let ((result (allocate-boxed-object *dynamic*
;; KLUDGE: Why 1+? -- WHN 19990901
(1+ target-layout-length)
- sb!vm:instance-pointer-type)))
+ sb!vm:instance-pointer-lowtag)))
(write-memory result
- (make-other-immediate-descriptor target-layout-length
- sb!vm:instance-header-type))
+ (make-other-immediate-descriptor
+ target-layout-length sb!vm:instance-header-widetag))
;; KLUDGE: The offsets into LAYOUT below should probably be pulled out
;; of the cross-compiler's tables at genesis time instead of inserted
;; (CAR COLD-INTERN-INFO) = descriptor of symbol
;; (CDR COLD-INTERN-INFO) = list of packages, other than symbol's
;; own package, referring to symbol
- ;; (*COLD-PACKAGE-SYMBOLS* and *COLD-SYMBOLS* store basically the same
- ;; information, but with the mapping running the opposite way.)
+ ;; (*COLD-PACKAGE-SYMBOLS* and *COLD-SYMBOLS* store basically the
+ ;; same information, but with the mapping running the opposite way.)
(cold-intern-info (get symbol 'cold-intern-info)))
(unless cold-intern-info
(cond ((eq (symbol-package symbol) package)
(defun make-nil-descriptor ()
(let* ((des (allocate-unboxed-object
*static*
- sb!vm:word-bits
+ sb!vm:n-word-bits
sb!vm:symbol-size
0))
(result (make-descriptor (descriptor-high des)
(+ (descriptor-low des)
(* 2 sb!vm:word-bytes)
- (- sb!vm:list-pointer-type
- sb!vm:other-pointer-type)))))
+ (- sb!vm:list-pointer-lowtag
+ sb!vm:other-pointer-lowtag)))))
(write-wordindexed des
1
(make-other-immediate-descriptor
0
- sb!vm:symbol-header-type))
+ sb!vm:symbol-header-widetag))
(write-wordindexed des
(+ 1 sb!vm:symbol-value-slot)
result)
;; section at all? Is it because all the FDEFINITION stuff gets in
;; the way of reading function values and is too hairy to rely on at
;; cold boot? FIXME: Most of these are in *STATIC-SYMBOLS* in
- ;; parms.lisp, but %HANDLE-FUNCTION-END-BREAKPOINT is not. Why?
+ ;; parms.lisp, but %HANDLE-FUN-END-BREAKPOINT is not. Why?
;; Explain.
(macrolet ((frob (symbol)
`(cold-set ',symbol
(frob maybe-gc)
(frob internal-error)
(frob sb!di::handle-breakpoint)
- (frob sb!di::handle-function-end-breakpoint))
+ (frob sb!di::handle-fun-end-breakpoint))
(cold-set '*current-catch-block* (make-fixnum-descriptor 0))
(cold-set '*current-unwind-protect-block* (make-fixnum-descriptor 0))
(cold-push (string-to-core (package-name pkg)) res)
res))
\f
-;;;; fdefinition objects
+;;;; functions and fdefinition objects
;;; a hash table mapping from fdefinition names to descriptors of cold
-;;; objects. Note: Since fdefinition names can be lists like '(SETF
-;;; FOO), and we want to have only one entry per name, this must be an
-;;; 'EQUAL hash table, not the default 'EQL.
+;;; objects
+;;;
+;;; Note: Since fdefinition names can be lists like '(SETF FOO), and
+;;; we want to have only one entry per name, this must be an 'EQUAL
+;;; hash table, not the default 'EQL.
(defvar *cold-fdefn-objects*)
(defvar *cold-fdefn-gspace* nil)
-;;; Given a cold representation of an FDEFN name, return a warm representation.
-;;;
-;;; Note: Despite the name, this actually has little to do with
-;;; FDEFNs, it's just a function for warming up values, and the only
-;;; values it knows how to warm up are symbols and lists. (The
-;;; connection to FDEFNs is that symbols and lists are the only
-;;; possible names for functions.)
-(declaim (ftype (function (descriptor) (or symbol list)) warm-fdefn-name))
-(defun warm-fdefn-name (des)
- (ecase (descriptor-lowtag des)
- (#.sb!vm:list-pointer-type ; FIXME: no #.
- (if (= (descriptor-bits des) (descriptor-bits *nil-descriptor*))
- nil
- ;; FIXME: If we cold-intern this again, we might get a different
- ;; name. Check to make sure that any hash tables along the way
- ;; are 'EQUAL not 'EQL.
- (cons (warm-fdefn-name (read-wordindexed des sb!vm:cons-car-slot))
- (warm-fdefn-name (read-wordindexed des sb!vm:cons-cdr-slot)))))
- (#.sb!vm:other-pointer-type ; FIXME: no #.
- (or (gethash (descriptor-bits des) *cold-symbols*)
- (descriptor-bits des)))))
+;;; Given a cold representation of a symbol, return a warm
+;;; representation.
+(defun warm-symbol (des)
+ ;; Note that COLD-INTERN is responsible for keeping the
+ ;; *COLD-SYMBOLS* table up to date, so if DES happens to refer to an
+ ;; uninterned symbol, the code below will fail. But as long as we
+ ;; don't need to look up uninterned symbols during bootstrapping,
+ ;; that's OK..
+ (multiple-value-bind (symbol found-p)
+ (gethash (descriptor-bits des) *cold-symbols*)
+ (declare (type symbol symbol))
+ (unless found-p
+ (error "no warm symbol"))
+ symbol))
+
+;;; like CL:CAR, CL:CDR, and CL:NULL but for cold values
+(defun cold-car (des)
+ (aver (= (descriptor-lowtag des) sb!vm:list-pointer-lowtag))
+ (read-wordindexed des sb!vm:cons-car-slot))
+(defun cold-cdr (des)
+ (aver (= (descriptor-lowtag des) sb!vm:list-pointer-lowtag))
+ (read-wordindexed des sb!vm:cons-cdr-slot))
+(defun cold-null (des)
+ (= (descriptor-bits des)
+ (descriptor-bits *nil-descriptor*)))
+
+;;; Given a cold representation of a function name, return a warm
+;;; representation.
+(declaim (ftype (function (descriptor) (or symbol list)) warm-fun-name))
+(defun warm-fun-name (des)
+ (let ((result
+ (ecase (descriptor-lowtag des)
+ (#.sb!vm:list-pointer-lowtag
+ (aver (not (cold-null des))) ; function named NIL? please no..
+ ;; Do cold (DESTRUCTURING-BIND (COLD-CAR COLD-CADR) DES ..).
+ (let* ((car-des (cold-car des))
+ (cdr-des (cold-cdr des))
+ (cadr-des (cold-car cdr-des))
+ (cddr-des (cold-cdr cdr-des)))
+ (aver (cold-null cddr-des))
+ (list (warm-symbol car-des)
+ (warm-symbol cadr-des))))
+ (#.sb!vm:other-pointer-lowtag
+ (warm-symbol des)))))
+ (unless (legal-function-name-p result)
+ (error "not a legal function name: ~S" result))
+ result))
(defun cold-fdefinition-object (cold-name &optional leave-fn-raw)
(declare (type descriptor cold-name))
- (let ((warm-name (warm-fdefn-name cold-name)))
+ (let ((warm-name (warm-fun-name cold-name)))
(or (gethash warm-name *cold-fdefn-objects*)
(let ((fdefn (allocate-boxed-object (or *cold-fdefn-gspace* *dynamic*)
(1- sb!vm:fdefn-size)
- sb!vm:other-pointer-type)))
+ sb!vm:other-pointer-lowtag)))
(setf (gethash warm-name *cold-fdefn-objects*) fdefn)
(write-memory fdefn (make-other-immediate-descriptor
- (1- sb!vm:fdefn-size) sb!vm:fdefn-type))
+ (1- sb!vm:fdefn-size) sb!vm:fdefn-widetag))
(write-wordindexed fdefn sb!vm:fdefn-name-slot cold-name)
(unless leave-fn-raw
- (write-wordindexed fdefn sb!vm:fdefn-function-slot
+ (write-wordindexed fdefn sb!vm:fdefn-fun-slot
*nil-descriptor*)
(write-wordindexed fdefn
sb!vm:fdefn-raw-addr-slot
(make-random-descriptor
- (cold-foreign-symbol-address-as-integer "undefined_tramp"))))
+ (cold-foreign-symbol-address-as-integer
+ "undefined_tramp"))))
fdefn))))
-(defun cold-fset (cold-name defn)
+;;; Handle the at-cold-init-time, fset-for-static-linkage operation
+;;; requested by FOP-FSET.
+(defun static-fset (cold-name defn)
(declare (type descriptor cold-name))
(let ((fdefn (cold-fdefinition-object cold-name t))
- (type (logand (descriptor-low (read-memory defn)) sb!vm:type-mask)))
- (write-wordindexed fdefn sb!vm:fdefn-function-slot defn)
+ (type (logand (descriptor-low (read-memory defn)) sb!vm:widetag-mask)))
+ (write-wordindexed fdefn sb!vm:fdefn-fun-slot defn)
(write-wordindexed fdefn
sb!vm:fdefn-raw-addr-slot
(ecase type
- (#.sb!vm:function-header-type
+ (#.sb!vm:simple-fun-header-widetag
#!+sparc
defn
#!-sparc
(make-random-descriptor
(+ (logandc2 (descriptor-bits defn)
sb!vm:lowtag-mask)
- (ash sb!vm:function-code-offset
+ (ash sb!vm:simple-fun-code-offset
sb!vm:word-shift))))
- (#.sb!vm:closure-header-type
+ (#.sb!vm:closure-header-widetag
(make-random-descriptor
(cold-foreign-symbol-address-as-integer "closure_tramp")))))
fdefn))
(dolist (sym sb!vm:*static-functions*)
(let* ((fdefn (cold-fdefinition-object (cold-intern sym)))
(offset (- (+ (- (descriptor-low fdefn)
- sb!vm:other-pointer-type)
+ sb!vm:other-pointer-lowtag)
(* sb!vm:fdefn-raw-addr-slot sb!vm:word-bytes))
(descriptor-low *nil-descriptor*)))
(desired (sb!vm:static-function-offset sym)))
(declaim (ftype (function (descriptor sb!vm:word)) calc-offset))
(defun calc-offset (code-object offset-from-tail-of-header)
(let* ((header (read-memory code-object))
- (header-n-words (ash (descriptor-bits header) (- sb!vm:type-bits)))
+ (header-n-words (ash (descriptor-bits header)
+ (- sb!vm:n-widetag-bits)))
(header-n-bytes (ash header-n-words sb!vm:word-shift))
(result (+ offset-from-tail-of-header header-n-bytes)))
result))
(let* ((size (clone-arg))
(result (allocate-boxed-object *dynamic*
(1+ size)
- sb!vm:instance-pointer-type)))
+ sb!vm:instance-pointer-lowtag)))
(write-memory result (make-other-immediate-descriptor
- size
- sb!vm:instance-header-type))
+ size sb!vm:instance-header-widetag))
(do ((index (1- size) (1- index)))
((minusp index))
(declare (fixnum index))
\f
;;;; cold fops for loading symbols
-;;; Load a symbol SIZE characters long from *FASL-INPUT-STREAM* and intern
-;;; that symbol in PACKAGE.
+;;; Load a symbol SIZE characters long from *FASL-INPUT-STREAM* and
+;;; intern that symbol in PACKAGE.
(defun cold-load-symbol (size package)
(let ((string (make-string size)))
(read-string-as-bytes *fasl-input-stream* string)
(let* ((size (clone-arg))
(name (make-string size)))
(read-string-as-bytes *fasl-input-stream* name)
- (let ((symbol (allocate-symbol name)))
- (push-fop-table symbol))))
+ (let ((symbol-des (allocate-symbol name)))
+ (push-fop-table symbol-des))))
\f
;;;; cold fops for loading lists
(fop-small-vector)
(let* ((size (clone-arg))
(result (allocate-vector-object *dynamic*
- sb!vm:word-bits
+ sb!vm:n-word-bits
size
- sb!vm:simple-vector-type)))
+ sb!vm:simple-vector-widetag)))
(do ((index (1- size) (1- index)))
((minusp index))
(declare (fixnum index))
(let* ((len (read-arg 4))
(sizebits (read-arg 1))
(type (case sizebits
- (1 sb!vm:simple-bit-vector-type)
- (2 sb!vm:simple-array-unsigned-byte-2-type)
- (4 sb!vm:simple-array-unsigned-byte-4-type)
- (8 sb!vm:simple-array-unsigned-byte-8-type)
- (16 sb!vm:simple-array-unsigned-byte-16-type)
- (32 sb!vm:simple-array-unsigned-byte-32-type)
+ (1 sb!vm:simple-bit-vector-widetag)
+ (2 sb!vm:simple-array-unsigned-byte-2-widetag)
+ (4 sb!vm:simple-array-unsigned-byte-4-widetag)
+ (8 sb!vm:simple-array-unsigned-byte-8-widetag)
+ (16 sb!vm:simple-array-unsigned-byte-16-widetag)
+ (32 sb!vm:simple-array-unsigned-byte-32-widetag)
(t (error "losing element size: ~D" sizebits))))
(result (allocate-vector-object *dynamic* sizebits len type))
(start (+ (descriptor-byte-offset result)
(define-cold-fop (fop-single-float-vector)
(let* ((len (read-arg 4))
- (result (allocate-vector-object *dynamic*
- sb!vm:word-bits
- len
- sb!vm:simple-array-single-float-type))
+ (result (allocate-vector-object
+ *dynamic*
+ sb!vm:n-word-bits
+ len
+ sb!vm:simple-array-single-float-widetag))
(start (+ (descriptor-byte-offset result)
(ash sb!vm:vector-data-offset sb!vm:word-shift)))
(end (+ start (* len sb!vm:word-bytes))))
(data-vector (pop-stack))
(result (allocate-boxed-object *dynamic*
(+ sb!vm:array-dimensions-offset rank)
- sb!vm:other-pointer-type)))
+ sb!vm:other-pointer-lowtag)))
(write-memory result
(make-other-immediate-descriptor rank
- sb!vm:simple-array-type))
+ sb!vm:simple-array-widetag))
(write-wordindexed result sb!vm:array-fill-pointer-slot *nil-descriptor*)
(write-wordindexed result sb!vm:array-data-slot data-vector)
(write-wordindexed result sb!vm:array-displacement-slot *nil-descriptor*)
(let ((total-elements 1))
(dotimes (axis rank)
(let ((dim (pop-stack)))
- (unless (or (= (descriptor-lowtag dim) sb!vm:even-fixnum-type)
- (= (descriptor-lowtag dim) sb!vm:odd-fixnum-type))
+ (unless (or (= (descriptor-lowtag dim) sb!vm:even-fixnum-lowtag)
+ (= (descriptor-lowtag dim) sb!vm:odd-fixnum-lowtag))
(error "non-fixnum dimension? (~S)" dim))
(setf total-elements
(* total-elements
(logior (ash (descriptor-high dim)
- (- descriptor-low-bits (1- sb!vm:lowtag-bits)))
+ (- descriptor-low-bits
+ (1- sb!vm:n-lowtag-bits)))
(ash (descriptor-low dim)
- (- 1 sb!vm:lowtag-bits)))))
+ (- 1 sb!vm:n-lowtag-bits)))))
(write-wordindexed result
(+ sb!vm:array-dimensions-offset axis)
dim)))
(ecase +backend-fasl-file-implementation+
(:x86 ; (which has 80-bit long-float format)
(prepare-for-fast-read-byte *fasl-input-stream*
- (let* ((des (allocate-unboxed-object *dynamic* sb!vm:word-bits
+ (let* ((des (allocate-unboxed-object *dynamic* sb!vm:n-word-bits
(1- sb!vm:long-float-size)
- sb!vm:long-float-type))
+ sb!vm:long-float-widetag))
(low-bits (make-random-descriptor (fast-read-u-integer 4)))
(high-bits (make-random-descriptor (fast-read-u-integer 4)))
(exp-bits (make-random-descriptor (fast-read-s-integer 2))))
#+nil
(#.sb!c:sparc-fasl-file-implementation ; 128 bit long-float format
(prepare-for-fast-read-byte *fasl-input-stream*
- (let* ((des (allocate-unboxed-object *dynamic* sb!vm:word-bits
+ (let* ((des (allocate-unboxed-object *dynamic* sb!vm:n-word-bits
(1- sb!vm:long-float-size)
- sb!vm:long-float-type))
+ sb!vm:long-float-widetag))
(low-bits (make-random-descriptor (fast-read-u-integer 4)))
(mid-bits (make-random-descriptor (fast-read-u-integer 4)))
(high-bits (make-random-descriptor (fast-read-u-integer 4)))
(ecase +backend-fasl-file-implementation+
(:x86 ; (which has 80-bit long-float format)
(prepare-for-fast-read-byte *fasl-input-stream*
- (let* ((des (allocate-unboxed-object *dynamic* sb!vm:word-bits
+ (let* ((des (allocate-unboxed-object *dynamic* sb!vm:n-word-bits
(1- sb!vm:complex-long-float-size)
- sb!vm:complex-long-float-type))
+ sb!vm:complex-long-float-widetag))
(real-low-bits (make-random-descriptor (fast-read-u-integer 4)))
(real-high-bits (make-random-descriptor (fast-read-u-integer 4)))
(real-exp-bits (make-random-descriptor (fast-read-s-integer 2)))
#+nil
(#.sb!c:sparc-fasl-file-implementation ; 128 bit long-float format
(prepare-for-fast-read-byte *fasl-input-stream*
- (let* ((des (allocate-unboxed-object *dynamic* sb!vm:word-bits
+ (let* ((des (allocate-unboxed-object *dynamic* sb!vm:n-word-bits
(1- sb!vm:complex-long-float-size)
- sb!vm:complex-long-float-type))
+ sb!vm:complex-long-float-widetag))
(real-low-bits (make-random-descriptor (fast-read-u-integer 4)))
(real-mid-bits (make-random-descriptor (fast-read-u-integer 4)))
(real-high-bits (make-random-descriptor (fast-read-u-integer 4)))
(define-cold-fop (fop-ratio)
(let ((den (pop-stack)))
- (number-pair-to-core (pop-stack) den sb!vm:ratio-type)))
+ (number-pair-to-core (pop-stack) den sb!vm:ratio-widetag)))
(define-cold-fop (fop-complex)
(let ((im (pop-stack)))
- (number-pair-to-core (pop-stack) im sb!vm:complex-type)))
+ (number-pair-to-core (pop-stack) im sb!vm:complex-widetag)))
\f
;;;; cold fops for calling (or not calling)
(defun finalize-load-time-value-noise ()
(cold-set (cold-intern '*!load-time-values*)
(allocate-vector-object *dynamic*
- sb!vm:word-bits
+ sb!vm:n-word-bits
*load-time-value-counter*
- sb!vm:simple-vector-type)))
+ sb!vm:simple-vector-widetag)))
(define-cold-fop (fop-funcall-for-effect nil)
(if (= (read-arg 1) 0)
(write-wordindexed obj
(+ idx
(ecase (descriptor-lowtag obj)
- (#.sb!vm:instance-pointer-type 1)
- (#.sb!vm:other-pointer-type 2)))
+ (#.sb!vm:instance-pointer-lowtag 1)
+ (#.sb!vm:other-pointer-lowtag 2)))
(pop-stack))))
(define-cold-fop (fop-structset nil)
\f
;;;; cold fops for loading code objects and functions
+;;; the names of things which have had COLD-FSET used on them already
+;;; (used to make sure that we don't try to statically link a name to
+;;; more than one definition)
+(defparameter *cold-fset-warm-names*
+ ;; This can't be an EQL hash table because names can be conses, e.g.
+ ;; (SETF CAR).
+ (make-hash-table :test 'equal))
+
(define-cold-fop (fop-fset nil)
- (let ((fn (pop-stack))
- (name (pop-stack)))
- (cold-fset name fn)))
+ (let* ((fn (pop-stack))
+ (cold-name (pop-stack))
+ (warm-name (warm-fun-name cold-name)))
+ (if (gethash warm-name *cold-fset-warm-names*)
+ (error "duplicate COLD-FSET for ~S" warm-name)
+ (setf (gethash warm-name *cold-fset-warm-names*) t))
+ (static-fset cold-name fn)))
(define-cold-fop (fop-fdefinition)
(cold-fdefinition-object (pop-stack)))
(define-cold-fop (fop-sanctify-for-execution)
(pop-stack))
-(not-cold-fop fop-make-byte-compiled-function)
-
;;; Setting this variable shows what code looks like before any
;;; fixups (or function headers) are applied.
#!+sb-show (defvar *show-pre-fixup-code-p* nil)
(+ (ash header-n-words
sb!vm:word-shift)
code-size)
- sb!vm:other-pointer-type)))
+ sb!vm:other-pointer-lowtag)))
(write-memory des
- (make-other-immediate-descriptor header-n-words
- sb!vm:code-header-type))
+ (make-other-immediate-descriptor
+ header-n-words sb!vm:code-header-widetag))
(write-wordindexed des
sb!vm:code-code-size-slot
(make-fixnum-descriptor
(offset (calc-offset code-object (read-arg 4)))
(fn (descriptor-beyond code-object
offset
- sb!vm:function-pointer-type))
+ sb!vm:fun-pointer-lowtag))
(next (read-wordindexed code-object sb!vm:code-entry-points-slot)))
(unless (zerop (logand offset sb!vm:lowtag-mask))
;; FIXME: This should probably become a fatal error.
(warn "unaligned function entry: ~S at #X~X" name offset))
(write-wordindexed code-object sb!vm:code-entry-points-slot fn)
(write-memory fn
- (make-other-immediate-descriptor (ash offset
- (- sb!vm:word-shift))
- sb!vm:function-header-type))
+ (make-other-immediate-descriptor
+ (ash offset (- sb!vm:word-shift))
+ sb!vm:simple-fun-header-widetag))
(write-wordindexed fn
- sb!vm:function-self-slot
+ sb!vm:simple-fun-self-slot
;; KLUDGE: Wiring decisions like this in at
;; this level ("if it's an x86") instead of a
;; higher level of abstraction ("if it has such
;; -- WHN 19990907
(make-random-descriptor
(+ (descriptor-bits fn)
- (- (ash sb!vm:function-code-offset sb!vm:word-shift)
+ (- (ash sb!vm:simple-fun-code-offset
+ sb!vm:word-shift)
;; FIXME: We should mask out the type
;; bits, not assume we know what they
;; are and subtract them out this way.
- sb!vm:function-pointer-type))))
- (write-wordindexed fn sb!vm:function-next-slot next)
- (write-wordindexed fn sb!vm:function-name-slot name)
- (write-wordindexed fn sb!vm:function-arglist-slot arglist)
- (write-wordindexed fn sb!vm:function-type-slot type)
+ sb!vm:fun-pointer-lowtag))))
+ (write-wordindexed fn sb!vm:simple-fun-next-slot next)
+ (write-wordindexed fn sb!vm:simple-fun-name-slot name)
+ (write-wordindexed fn sb!vm:simple-fun-arglist-slot arglist)
+ (write-wordindexed fn sb!vm:simple-fun-type-slot type)
fn))
(define-cold-fop (fop-foreign-fixup)
(+ (ash header-n-words
sb!vm:word-shift)
length)
- sb!vm:other-pointer-type)))
+ sb!vm:other-pointer-lowtag)))
(write-memory des
- (make-other-immediate-descriptor header-n-words
- sb!vm:code-header-type))
+ (make-other-immediate-descriptor
+ header-n-words sb!vm:code-header-widetag))
(write-wordindexed des
sb!vm:code-code-size-slot
(make-fixnum-descriptor
\f
;;;; emitting C header file
-(defun tail-comp (string tail)
+(defun tailwise-equal (string tail)
(and (>= (length string) (length tail))
(string= string tail :start1 (- (length string) (length tail)))))
-(defun head-comp (string head)
- (and (>= (length string) (length head))
- (string= string head :end1 (length head))))
-
(defun write-c-header ()
;; writing beginning boilerplate
(symbol-value symbol)
(documentation symbol 'variable))
constants))
- ;; machinery for old-style CMU CL Lisp-to-C naming
+ ;; machinery for old-style CMU CL Lisp-to-C
+ ;; arbitrary renaming, being phased out in favor of
+ ;; the newer systematic RECORD-WITH-TRANSLATED-NAME
+ ;; renaming
(record-with-munged-name (prefix string priority)
(record (concatenate
'simple-string
prefix
(delete #\- (string-capitalize string)))
priority))
- (test-tail (tail prefix priority)
- (when (tail-comp name tail)
+ (maybe-record-with-munged-name (tail prefix priority)
+ (when (tailwise-equal name tail)
(record-with-munged-name prefix
(subseq name 0
(- (length name)
(length tail)))
priority)))
- (test-head (head prefix priority)
- (when (head-comp name head)
- (record-with-munged-name prefix
- (subseq name (length head))
- priority)))
;; machinery for new-style SBCL Lisp-to-C naming
(record-with-translated-name (priority)
(record (substitute #\_ #\- name)
- priority)))
- ;; This style of munging of names is used in the code
- ;; inherited from CMU CL.
- (test-tail "-TYPE" "type_" 0)
- (test-tail "-FLAG" "flag_" 1)
- (test-tail "-TRAP" "trap_" 2)
- (test-tail "-SUBTYPE" "subtype_" 3)
- (test-head "TRACE-TABLE-" "tracetab_" 4)
- (test-tail "-SC-NUMBER" "sc_" 5)
- ;; This simpler style of translation of names seems less
- ;; confusing, and is used for newer code.
- (when (some (lambda (suffix) (tail-comp name suffix))
- #("-START" "-END"))
- (record-with-translated-name 6))))))
+ priority))
+ (maybe-record-with-translated-name (suffixes priority)
+ (when (some (lambda (suffix)
+ (tailwise-equal name suffix))
+ suffixes)
+ (record-with-translated-name priority))))
+
+ (maybe-record-with-translated-name '("-LOWTAG") 0)
+ (maybe-record-with-translated-name '("-WIDETAG") 1)
+ (maybe-record-with-munged-name "-FLAG" "flag_" 2)
+ (maybe-record-with-munged-name "-TRAP" "trap_" 3)
+ (maybe-record-with-munged-name "-SUBTYPE" "subtype_" 4)
+ (maybe-record-with-munged-name "-SC-NUMBER" "sc_" 5)
+ (maybe-record-with-translated-name '("-START" "-END") 6)))))
(setf constants
(sort constants
#'(lambda (const1 const2)
"struct ~A {~%"
(nsubstitute #\_ #\-
(string-downcase (string (sb!vm:primitive-object-name obj)))))
- (when (sb!vm:primitive-object-header obj)
+ (when (sb!vm:primitive-object-widetag obj)
(format t " lispobj header;~%"))
(dolist (slot (sb!vm:primitive-object-slots obj))
(format t " ~A ~A~@[[1]~];~%"
;; We didn't run GENESIS, so guess at the address.
(+ sb!vm:static-space-start
sb!vm:word-bytes
- sb!vm:other-pointer-type
+ sb!vm:other-pointer-lowtag
(if symbol (sb!vm:static-symbol-offset symbol) 0)))))
;; Voila.
(undefs nil))
(maphash #'(lambda (name fdefn)
(let ((fun (read-wordindexed fdefn
- sb!vm:fdefn-function-slot)))
+ sb!vm:fdefn-fun-slot)))
(if (= (descriptor-bits fun)
(descriptor-bits *nil-descriptor*))
(push name undefs)
- (let ((addr (read-wordindexed fdefn
- sb!vm:fdefn-raw-addr-slot)))
+ (let ((addr (read-wordindexed
+ fdefn sb!vm:fdefn-raw-addr-slot)))
(push (cons name (descriptor-bits addr))
funs)))))
*cold-fdefn-objects*)
(format t "~%~|~%initially defined functions:~2%")
- (dolist (info (sort funs #'< :key #'cdr))
+ (setf funs (sort funs #'< :key #'cdr))
+ (dolist (info funs)
(format t "0x~8,'0X: ~S #X~8,'0X~%" (cdr info) (car info)
(- (cdr info) #x17)))
(format t
that they were called before the out-of-line definition is installed,
as is fairly common for structure accessors.)
initially undefined function references:~2%")
- (labels ((key (name)
- (etypecase name
- (symbol (symbol-name name))
- ;; FIXME: should use standard SETF-function parsing logic
- (list (key (second name))))))
- (dolist (name (sort undefs #'string< :key #'key))
- (format t "~S" name)
- ;; FIXME: This ACCESSOR-FOR stuff should go away when the
- ;; code has stabilized. (It's only here to help me
- ;; categorize the flood of undefined functions caused by
- ;; completely rewriting the bootstrap process. Hopefully any
- ;; future maintainers will mostly have small numbers of
- ;; undefined functions..)
- (let ((accessor-for (info :function :accessor-for name)))
- (when accessor-for
- (format t " (accessor for ~S)" accessor-for)))
- (format t "~%")))))
-
- (format t "~%~|~%layout names:~2%")
- (collect ((stuff))
- (maphash #'(lambda (name gorp)
- (declare (ignore name))
- (stuff (cons (descriptor-bits (car gorp))
- (cdr gorp))))
- *cold-layouts*)
- (dolist (x (sort (stuff) #'< :key #'car))
- (apply #'format t "~8,'0X: ~S[~D]~%~10T~S~%" x)))
+
+ (setf undefs (sort undefs #'string< :key #'function-name-block-name))
+ (dolist (name undefs)
+ (format t "~S" name)
+ ;; FIXME: This ACCESSOR-FOR stuff should go away when the
+ ;; code has stabilized. (It's only here to help me
+ ;; categorize the flood of undefined functions caused by
+ ;; completely rewriting the bootstrap process. Hopefully any
+ ;; future maintainers will mostly have small numbers of
+ ;; undefined functions..)
+ (let ((accessor-for (info :function :accessor-for name)))
+ (when accessor-for
+ (format t " (accessor for ~S)" accessor-for)))
+ (format t "~%")))
+
+ (format t "~%~|~%layout names:~2%")
+ (collect ((stuff))
+ (maphash #'(lambda (name gorp)
+ (declare (ignore name))
+ (stuff (cons (descriptor-bits (car gorp))
+ (cdr gorp))))
+ *cold-layouts*)
+ (dolist (x (sort (stuff) #'< :key #'car))
+ (apply #'format t "~8,'0X: ~S[~D]~%~10T~S~%" x))))
(values))
\f
(let* ((cold-name (cold-intern '!cold-init))
(cold-fdefn (cold-fdefinition-object cold-name))
(initial-function (read-wordindexed cold-fdefn
- sb!vm:fdefn-function-slot)))
+ sb!vm:fdefn-fun-slot)))
(format t
"~&/(DESCRIPTOR-BITS INITIAL-FUNCTION)=#X~X~%"
(descriptor-bits initial-function))
(*current-reversed-cold-toplevels* *nil-descriptor*)
(*unbound-marker* (make-other-immediate-descriptor
0
- sb!vm:unbound-marker-type))
+ sb!vm:unbound-marker-widetag))
*cold-assembler-fixups*
*cold-assembler-routines*
#!+x86 *load-time-code-fixups*)
(cold-set 'sb!vm:*read-only-space-free-pointer*
(allocate-cold-descriptor *read-only*
0
- sb!vm:even-fixnum-type))
+ sb!vm:even-fixnum-lowtag))
(cold-set 'sb!vm:*static-space-free-pointer*
(allocate-cold-descriptor *static*
0
- sb!vm:even-fixnum-type))
+ sb!vm:even-fixnum-lowtag))
(cold-set 'sb!vm:*initial-dynamic-space-free-pointer*
(allocate-cold-descriptor *dynamic*
0
- sb!vm:even-fixnum-type))
+ sb!vm:even-fixnum-lowtag))
(/show "done setting free pointers")
;; Write results to files.
projects / sbcl.git / blobdiff