;;; The body might pop the fop stack. The result of the body is
;;; discarded.
;;; STACKP describes whether or not the body interacts with the fop stack.
-(defmacro define-fop ((name fop-code &key (pushp t) (stackp t)) &rest forms)
+(defmacro define-fop ((name fop-code &key (pushp t) (stackp t)) &body forms)
`(progn
(defun ,name ()
,(if stackp
;;; of like READ-SEQUENCE specialized for files of (UNSIGNED-BYTE 8),
;;; with an automatic conversion from (UNSIGNED-BYTE 8) into CHARACTER
;;; for each element read
-(declaim (ftype (function (stream simple-string &optional index) (values))
- read-string-as-bytes
- #!+sb-unicode read-string-as-unsigned-byte-32))
(defun read-string-as-bytes (stream string &optional (length (length string)))
- (dotimes (i length)
- (setf (aref string i)
- (sb!xc:code-char (read-byte stream))))
- ;; FIXME: The classic CMU CL code to do this was
- ;; (READ-N-BYTES FILE STRING START END).
- ;; It was changed for SBCL because we needed a portable version for
- ;; bootstrapping. Benchmark the non-portable version and see whether it's
- ;; significantly better than the portable version here. If it is, then use
- ;; it as an alternate definition, protected with #-SB-XC-HOST.
- (values))
+ (declare (type (simple-array character (*)) string)
+ (type index length)
+ (optimize speed))
+ (with-fast-read-byte ((unsigned-byte 8) stream)
+ (dotimes (i length)
+ (setf (aref string i)
+ (sb!xc:code-char (fast-read-byte)))))
+ string)
+(defun read-base-string-as-bytes (stream string &optional (length (length string)))
+ (declare (type (simple-array base-char (*)) string)
+ (type index length)
+ (optimize speed))
+ (with-fast-read-byte ((unsigned-byte 8) stream)
+ (dotimes (i length)
+ (setf (aref string i)
+ (sb!xc:code-char (fast-read-byte)))))
+ string)
#!+sb-unicode
(defun read-string-as-unsigned-byte-32
(stream string &optional (length (length string)))
+ (declare (type (simple-array character (*)) string)
+ (type index length)
+ (optimize speed))
#+sb-xc-host (bug "READ-STRING-AS-UNSIGNED-BYTE-32 called")
- (dotimes (i length)
- (setf (aref string i)
- (let ((code 0))
- (dotimes (k 4 (sb!xc:code-char code))
- (setf code (logior code (ash (read-byte stream)
- (* k sb!vm:n-byte-bits))))))))
- (values))
+ (with-fast-read-byte ((unsigned-byte 8) stream)
+ (dotimes (i length)
+ (setf (aref string i)
+ (sb!xc:code-char (fast-read-u-integer 4)))))
+ string)
\f
;;;; miscellaneous fops
(define-fop (fop-nop 0 :stackp nil))
(define-fop (fop-pop 1 :pushp nil) (push-fop-table (pop-stack)))
-(define-fop (fop-push 2) (svref *current-fop-table* (read-word-arg)))
-(define-fop (fop-byte-push 3) (svref *current-fop-table* (read-byte-arg)))
+(define-fop (fop-push 2) (ref-fop-table (read-word-arg)))
+(define-fop (fop-byte-push 3) (ref-fop-table (read-byte-arg)))
(define-fop (fop-empty-list 4) ())
(define-fop (fop-truth 5) t)
#+sb-xc-host ; since xc host doesn't know how to compile %PRIMITIVE
(error "FOP-MISC-TRAP can't be defined without %PRIMITIVE.")
#-sb-xc-host
- (%primitive sb!c:make-other-immediate-type 0 sb!vm:unbound-marker-widetag))
+ (%primitive sb!c:make-unbound-marker))
(define-cloned-fops (fop-character 68) (fop-short-character 69)
(code-char (clone-arg)))
(/show0 "THROWing FASL-GROUP-END")
(throw 'fasl-group-end t))
-;;; In the normal loader, we just ignore these. GENESIS overwrites
-;;; FOP-MAYBE-COLD-LOAD with something that knows whether to revert to
-;;; cold-loading or not.
-(define-fop (fop-normal-load 81 :stackp nil))
-(define-fop (fop-maybe-cold-load 82 :stackp nil))
+;;; We used to have FOP-NORMAL-LOAD as 81 and FOP-MAYBE-COLD-LOAD as
+;;; 82 until GENESIS learned how to work with host symbols and
+;;; packages directly instead of piggybacking on the host code.
(define-fop (fop-verify-table-size 62 :stackp nil)
(let ((expected-index (read-word-arg)))
- (unless (= *current-fop-table-index* expected-index)
+ (unless (= (get-fop-table-index) expected-index)
(bug "fasl table of improper size"))))
(define-fop (fop-verify-empty-stack 63 :stackp nil)
- (unless (zerop (length *fop-stack*))
+ (unless (fop-stack-empty-p)
(bug "fasl stack not empty when it should be")))
\f
;;;; fops for loading symbols
-(macrolet (;; FIXME: Should all this code really be duplicated inside
- ;; each fop? Perhaps it would be better for this shared
- ;; code to live in FLET FROB1 and FLET FROB4 (for the
- ;; two different sizes of counts).
- (frob (name code name-size package)
- (let ((n-package (gensym))
- (n-size (gensym))
- (n-buffer (gensym)))
- `(define-fop (,name ,code)
- (prepare-for-fast-read-byte *fasl-input-stream*
- (let ((,n-package ,package)
- (,n-size (fast-read-u-integer ,name-size)))
- (when (> ,n-size (length *fasl-symbol-buffer*))
- (setq *fasl-symbol-buffer*
- (make-string (* ,n-size 2))))
- (done-with-fast-read-byte)
- (let ((,n-buffer *fasl-symbol-buffer*))
- #+sb-xc-host
- (read-string-as-bytes *fasl-input-stream*
- ,n-buffer
- ,n-size)
- #-sb-xc-host
- (#!+sb-unicode read-string-as-unsigned-byte-32
- #!-sb-unicode read-string-as-bytes
- *fasl-input-stream*
- ,n-buffer
- ,n-size)
- (push-fop-table (without-package-locks
- (intern* ,n-buffer
- ,n-size
- ,n-package))))))))))
-
- ;; Note: CMU CL had FOP-SYMBOL-SAVE and FOP-SMALL-SYMBOL-SAVE, but
- ;; since they made the behavior of the fasloader depend on the
- ;; *PACKAGE* variable, not only were they a pain to support (because
- ;; they required various hacks to handle *PACKAGE*-manipulation
- ;; forms) they were basically broken by design, because ANSI gives
- ;; the user so much flexibility in manipulating *PACKAGE* at
- ;; load-time that no reasonable hacks could possibly make things
- ;; work right. The ones used in CMU CL certainly didn't, as shown by
- ;; e.g.
- ;; (IN-PACKAGE :CL-USER)
- ;; (DEFVAR CL::*FOO* 'FOO-VALUE)
- ;; (EVAL-WHEN (:COMPILE-TOPLEVEL :LOAD-TOPLEVEL :EXECUTE)
- ;; (SETF *PACKAGE* (FIND-PACKAGE :CL)))
- ;; which in CMU CL 2.4.9 defines a variable CL-USER::*FOO* instead of
- ;; defining CL::*FOO*. Therefore, we don't use those fops in SBCL.
- ;;(frob fop-symbol-save 6 4 *package*)
- ;;(frob fop-small-symbol-save 7 1 *package*)
-
- (frob fop-lisp-symbol-save 75 #.sb!vm:n-word-bytes *cl-package*)
- (frob fop-lisp-small-symbol-save 76 1 *cl-package*)
- (frob fop-keyword-symbol-save 77 #.sb!vm:n-word-bytes *keyword-package*)
- (frob fop-keyword-small-symbol-save 78 1 *keyword-package*)
-
- ;; FIXME: Because we don't have FOP-SYMBOL-SAVE any more, an enormous number
- ;; of symbols will fall through to this case, probably resulting in bloated
- ;; fasl files. A new
+(defun aux-fop-intern (smallp package)
+ (declare (optimize speed))
+ (let* ((size (if smallp
+ (read-byte-arg)
+ (read-word-arg)))
+ (buffer (make-string size)))
+ #+sb-xc-host
+ (read-string-as-bytes *fasl-input-stream* buffer size)
+ #-sb-xc-host
+ (progn
+ #!+sb-unicode
+ (read-string-as-unsigned-byte-32 *fasl-input-stream* buffer size)
+ #!-sb-unicode
+ (read-string-as-bytes *fasl-input-stream* buffer size))
+ (push-fop-table (without-package-locks
+ (intern* buffer
+ size
+ package
+ :no-copy t)))))
+
+(macrolet ((def (name code smallp package-form)
+ `(define-fop (,name ,code)
+ (aux-fop-intern ,smallp ,package-form))))
+
+ (def fop-lisp-symbol-save 75 nil *cl-package*)
+ (def fop-lisp-small-symbol-save 76 t *cl-package*)
+ (def fop-keyword-symbol-save 77 nil *keyword-package*)
+ (def fop-keyword-small-symbol-save 78 t *keyword-package*)
+
+ ;; FIXME: Because we don't have FOP-SYMBOL-SAVE any more, an
+ ;; enormous number of symbols will fall through to this case,
+ ;; probably resulting in bloated fasl files. A new
;; FOP-SYMBOL-IN-LAST-PACKAGE-SAVE/FOP-SMALL-SYMBOL-IN-LAST-PACKAGE-SAVE
;; cloned fop pair could undo some of this bloat.
- (frob fop-symbol-in-package-save 8 #.sb!vm:n-word-bytes
- (svref *current-fop-table* (fast-read-u-integer #.sb!vm:n-word-bytes)))
- (frob fop-small-symbol-in-package-save 9 1
- (svref *current-fop-table* (fast-read-u-integer #.sb!vm:n-word-bytes)))
- (frob fop-symbol-in-byte-package-save 10 #.sb!vm:n-word-bytes
- (svref *current-fop-table* (fast-read-u-integer 1)))
- (frob fop-small-symbol-in-byte-package-save 11 1
- (svref *current-fop-table* (fast-read-u-integer 1))))
+ (def fop-symbol-in-package-save 8 nil
+ (ref-fop-table (read-word-arg)))
+ (def fop-small-symbol-in-package-save 9 t
+ (ref-fop-table (read-word-arg)))
+ (def fop-symbol-in-byte-package-save 10 nil
+ (ref-fop-table (read-byte-arg)))
+ (def fop-small-symbol-in-byte-package-save 11 t
+ (ref-fop-table (read-byte-arg))))
(define-cloned-fops (fop-uninterned-symbol-save 12)
(fop-uninterned-small-symbol-save 13)
(define-fop (fop-package 14)
(find-undeleted-package-or-lose (pop-stack)))
+
+(define-cloned-fops (fop-named-package-save 156 :stackp nil)
+ (fop-small-named-package-save 157)
+ (let* ((arg (clone-arg))
+ (package-name (make-string arg)))
+ #+sb-xc-host
+ (read-string-as-bytes *fasl-input-stream* package-name)
+ #-sb-xc-host
+ (progn
+ #!-sb-unicode
+ (read-string-as-bytes *fasl-input-stream* package-name)
+ #!+sb-unicode
+ (read-string-as-unsigned-byte-32 *fasl-input-stream* package-name))
+ (push-fop-table (find-undeleted-package-or-lose package-name))))
\f
;;;; fops for loading numbers
;;; Load a signed integer LENGTH bytes long from *FASL-INPUT-STREAM*.
(defun load-s-integer (length)
- (declare (fixnum length))
- ;; #+cmu (declare (optimize (inhibit-warnings 2)))
- (do* ((index length (1- index))
- (byte 0 (read-byte *fasl-input-stream*))
- (result 0 (+ result (ash byte bits)))
- (bits 0 (+ bits 8)))
- ((= index 0)
- (if (logbitp 7 byte) ; look at sign bit
- (- result (ash 1 bits))
- result))
- (declare (fixnum index byte bits))))
+ (declare (fixnum length)
+ (optimize speed))
+ (with-fast-read-byte ((unsigned-byte 8) *fasl-input-stream*)
+ (do* ((index length (1- index))
+ (byte 0 (fast-read-byte))
+ (result 0 (+ result (ash byte bits)))
+ (bits 0 (+ bits 8)))
+ ((= index 0)
+ (if (logbitp 7 byte) ; look at sign bit
+ (- result (ash 1 bits))
+ result))
+ (declare (fixnum index byte bits)))))
(define-cloned-fops (fop-integer 33) (fop-small-integer 34)
(load-s-integer (clone-arg)))
(define-fop (fop-word-integer 35)
- (prepare-for-fast-read-byte *fasl-input-stream*
- (prog1
- (fast-read-s-integer #.sb!vm:n-word-bytes)
- (done-with-fast-read-byte))))
+ (with-fast-read-byte ((unsigned-byte 8) *fasl-input-stream*)
+ (fast-read-s-integer #.sb!vm:n-word-bytes)))
(define-fop (fop-byte-integer 36)
- (prepare-for-fast-read-byte *fasl-input-stream*
- (prog1
- (fast-read-s-integer 1)
- (done-with-fast-read-byte))))
+ (with-fast-read-byte ((unsigned-byte 8) *fasl-input-stream*)
+ (fast-read-s-integer 1)))
(define-fop (fop-ratio 70)
(let ((den (pop-stack)))
(macrolet ((define-complex-fop (name fop-code type)
(let ((reader (symbolicate "FAST-READ-" type)))
`(define-fop (,name ,fop-code)
- (prepare-for-fast-read-byte *fasl-input-stream*
- (prog1
- (complex (,reader) (,reader))
- (done-with-fast-read-byte))))))
+ (with-fast-read-byte ((unsigned-byte 8) *fasl-input-stream*)
+ (complex (,reader) (,reader))))))
(define-float-fop (name fop-code type)
(let ((reader (symbolicate "FAST-READ-" type)))
`(define-fop (,name ,fop-code)
- (prepare-for-fast-read-byte *fasl-input-stream*
- (prog1
- (,reader)
- (done-with-fast-read-byte)))))))
+ (with-fast-read-byte ((unsigned-byte 8) *fasl-input-stream*)
+ (,reader))))))
(define-complex-fop fop-complex-single-float 72 single-float)
(define-complex-fop fop-complex-double-float 73 double-float)
#!+long-float
#!+long-float
(define-float-fop fop-long-float 52 long-float)))
+#!+sb-simd-pack
+(define-fop (fop-simd-pack 88)
+ (with-fast-read-byte ((unsigned-byte 8) *fasl-input-stream*)
+ (%make-simd-pack (fast-read-s-integer 8)
+ (fast-read-u-integer 8)
+ (fast-read-u-integer 8))))
\f
;;;; loading lists
(define-cloned-fops (fop-base-string 37) (fop-small-base-string 38)
(let* ((arg (clone-arg))
(res (make-string arg :element-type 'base-char)))
- (read-string-as-bytes *fasl-input-stream* res)
+ (read-base-string-as-bytes *fasl-input-stream* res)
res))
#!+sb-unicode
t)
res))
-(define-fop (fop-single-float-vector 84)
- (let* ((length (read-word-arg))
- (result (make-array length :element-type 'single-float)))
- (read-n-bytes *fasl-input-stream* result 0 (* length 4))
- result))
-
-(define-fop (fop-double-float-vector 85)
+(defglobal **saetp-bits-per-length**
+ (let ((array (make-array (1+ sb!vm:widetag-mask)
+ :element-type '(unsigned-byte 8)
+ :initial-element 255)))
+ (loop for saetp across sb!vm:*specialized-array-element-type-properties*
+ do
+ (setf (aref array (sb!vm:saetp-typecode saetp))
+ (sb!vm:saetp-n-bits saetp)))
+ array)
+ "255 means bad entry.")
+(declaim (type (simple-array (unsigned-byte 8) (#.(1+ sb!vm:widetag-mask)))
+ **saetp-bits-per-length**))
+
+(define-fop (fop-spec-vector 43)
(let* ((length (read-word-arg))
- (result (make-array length :element-type 'double-float)))
- (read-n-bytes *fasl-input-stream* result 0 (* length 8))
- result))
-
-(define-fop (fop-complex-single-float-vector 86)
- (let* ((length (read-word-arg))
- (result (make-array length :element-type '(complex single-float))))
- (read-n-bytes *fasl-input-stream* result 0 (* length 8))
- result))
-
-(define-fop (fop-complex-double-float-vector 87)
- (let* ((length (read-word-arg))
- (result (make-array length :element-type '(complex double-float))))
- (read-n-bytes *fasl-input-stream* result 0 (* length 16))
- result))
-
-;;; CMU CL comment:
-;;; *** NOT *** the FOP-INT-VECTOR as currently documented in rtguts.
-;;; Size must be a directly supported I-vector element size, with no
-;;; extra bits. This must be packed according to the local
-;;; byte-ordering, allowing us to directly read the bits.
-(define-fop (fop-int-vector 43)
- (prepare-for-fast-read-byte *fasl-input-stream*
- (let* ((len (fast-read-u-integer #.sb!vm:n-word-bytes))
- (size (fast-read-byte))
- (res (case size
- (0 (make-array len :element-type 'nil))
- (1 (make-array len :element-type 'bit))
- (2 (make-array len :element-type '(unsigned-byte 2)))
- (4 (make-array len :element-type '(unsigned-byte 4)))
- (7 (prog1 (make-array len :element-type '(unsigned-byte 7))
- (setf size 8)))
- (8 (make-array len :element-type '(unsigned-byte 8)))
- (15 (prog1 (make-array len :element-type '(unsigned-byte 15))
- (setf size 16)))
- (16 (make-array len :element-type '(unsigned-byte 16)))
- (31 (prog1 (make-array len :element-type '(unsigned-byte 31))
- (setf size 32)))
- (32 (make-array len :element-type '(unsigned-byte 32)))
- #!+#.(cl:if (cl:= 64 sb!vm:n-word-bits) '(and) '(or))
- (63 (prog1 (make-array len :element-type '(unsigned-byte 63))
- (setf size 64)))
- (64 (make-array len :element-type '(unsigned-byte 64)))
- (t (bug "losing i-vector element size: ~S" size)))))
- (declare (type index len))
- (done-with-fast-read-byte)
- (read-n-bytes *fasl-input-stream*
- res
- 0
- (ceiling (the index (* size len)) sb!vm:n-byte-bits))
- res)))
-
-;;; This is the same as FOP-INT-VECTOR, except this is for signed
-;;; SIMPLE-ARRAYs.
-(define-fop (fop-signed-int-vector 50)
- (prepare-for-fast-read-byte *fasl-input-stream*
- (let* ((len (fast-read-u-integer #.sb!vm:n-word-bytes))
- (size (fast-read-byte))
- (res (case size
- (8 (make-array len :element-type '(signed-byte 8)))
- (16 (make-array len :element-type '(signed-byte 16)))
- #!+#.(cl:if (cl:= 32 sb!vm:n-word-bits) '(and) '(or))
- (29 (prog1 (make-array len :element-type '(unsigned-byte 29))
- (setf size 32)))
- #!+#.(cl:if (cl:= 32 sb!vm:n-word-bits) '(and) '(or))
- (30 (prog1 (make-array len :element-type '(signed-byte 30))
- (setf size 32)))
- (32 (make-array len :element-type '(signed-byte 32)))
- #!+#.(cl:if (cl:= 64 sb!vm:n-word-bits) '(and) '(or))
- (60 (prog1 (make-array len :element-type '(unsigned-byte 60))
- (setf size 64)))
- #!+#.(cl:if (cl:= 64 sb!vm:n-word-bits) '(and) '(or))
- (61 (prog1 (make-array len :element-type '(signed-byte 61))
- (setf size 64)))
- #!+#.(cl:if (cl:= 64 sb!vm:n-word-bits) '(and) '(or))
- (64 (make-array len :element-type '(signed-byte 64)))
- (t (bug "losing si-vector element size: ~S" size)))))
- (declare (type index len))
- (done-with-fast-read-byte)
- (read-n-bytes *fasl-input-stream*
- res
- 0
- (ceiling (the index (* size len)) sb!vm:n-byte-bits))
- res)))
+ (widetag (read-byte-arg))
+ (bits-per-length (aref **saetp-bits-per-length** widetag))
+ (bits (progn (aver (< bits-per-length 255))
+ (* length bits-per-length)))
+ (bytes (ceiling bits sb!vm:n-byte-bits))
+ (words (ceiling bytes sb!vm:n-word-bytes))
+ (vector (allocate-vector widetag length words)))
+ (declare (type index length bytes words)
+ (type word bits))
+ (read-n-bytes *fasl-input-stream* vector 0 bytes)
+ vector))
(define-fop (fop-eval 53)
(if *skip-until*
;;;; fops for fixing up circularities
(define-fop (fop-rplaca 200 :pushp nil)
- (let ((obj (svref *current-fop-table* (read-word-arg)))
+ (let ((obj (ref-fop-table (read-word-arg)))
(idx (read-word-arg))
(val (pop-stack)))
(setf (car (nthcdr idx obj)) val)))
(define-fop (fop-rplacd 201 :pushp nil)
- (let ((obj (svref *current-fop-table* (read-word-arg)))
+ (let ((obj (ref-fop-table (read-word-arg)))
(idx (read-word-arg))
(val (pop-stack)))
(setf (cdr (nthcdr idx obj)) val)))
(define-fop (fop-svset 202 :pushp nil)
(let* ((obi (read-word-arg))
- (obj (svref *current-fop-table* obi))
+ (obj (ref-fop-table obi))
(idx (read-word-arg))
(val (pop-stack)))
(if (%instancep obj)
(setf (svref obj idx) val))))
(define-fop (fop-structset 204 :pushp nil)
- (setf (%instance-ref (svref *current-fop-table* (read-word-arg))
+ (setf (%instance-ref (ref-fop-table (read-word-arg))
(read-word-arg))
(pop-stack)))
(define-fop (fop-fdefinition 60)
(fdefinition-object (pop-stack) t))
+(define-fop (fop-known-fun 65)
+ (%coerce-name-to-fun (pop-stack)))
+
(define-fop (fop-sanctify-for-execution 61)
(let ((component (pop-stack)))
(sb!vm:sanctify-for-execution component)
#+sb-xc-host ; since xc host doesn't know how to compile %PRIMITIVE
(error "FOP-FUN-ENTRY can't be defined without %PRIMITIVE.")
#-sb-xc-host
- (let ((xrefs (pop-stack))
+ (let ((info (pop-stack))
(type (pop-stack))
(arglist (pop-stack))
(name (pop-stack))
(setf (%simple-fun-name fun) name)
(setf (%simple-fun-arglist fun) arglist)
(setf (%simple-fun-type fun) type)
- (setf (%simple-fun-xrefs fun) xrefs)
+ (setf (%simple-fun-info fun) info)
;; FIXME: See the comment about *LOAD-PRINT* in FOP-EVAL.
#+nil (when *load-print*
(load-fresh-line)
projects / sbcl.git / blobdiff