X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fcompiler%2Fdump.lisp;h=453daf4dc7ca9a992fc8d3b881cb8ca54a7608a3;hb=988afd9d54ba6c8a915544822658824ab6ae0d6c;hp=0a9aa0ca76fe21866350201de2a26c4d4b712c8d;hpb=416152f084604094445a758ff399871132dff2bd;p=sbcl.git diff --git a/src/compiler/dump.lisp b/src/compiler/dump.lisp index 0a9aa0c..453daf4 100644 --- a/src/compiler/dump.lisp +++ b/src/compiler/dump.lisp @@ -28,12 +28,12 @@ s)))) (:copier nil)) ;; the stream we dump to - (stream (required-argument) :type stream) + (stream (missing-arg) :type stream) ;; hashtables we use to keep track of dumped constants so that we ;; can get them from the table rather than dumping them again. The ;; EQUAL-TABLE is used for lists and strings, and the EQ-TABLE is ;; used for everything else. We use a separate EQ table to avoid - ;; performance patholigies with objects for which EQUAL degnerates + ;; performance pathologies with objects for which EQUAL degenerates ;; to EQL. Everything entered in the EQUAL table is also entered in ;; the EQ table. (equal-table (make-hash-table :test 'equal) :type hash-table) @@ -43,11 +43,11 @@ ;; an alist (PACKAGE . OFFSET) of the table offsets for each package ;; we have currently located. (packages () :type list) - ;; a table mapping from the Entry-Info structures for dumped XEPs to + ;; a table mapping from the ENTRY-INFO structures for dumped XEPs to ;; the table offsets of the corresponding code pointers (entry-table (make-hash-table :test 'eq) :type hash-table) ;; a table holding back-patching info for forward references to XEPs. - ;; The key is the Entry-Info structure for the XEP, and the value is + ;; The key is the ENTRY-INFO structure for the XEP, and the value is ;; a list of conses ( . ), where ;; is the offset in the table of the code object needing to be ;; patched, and is the offset that must be patched. @@ -72,11 +72,11 @@ ;;; This structure holds information about a circularity. (defstruct (circularity (:copier nil)) ;; the kind of modification to make to create circularity - (type (required-argument) :type (member :rplaca :rplacd :svset :struct-set)) + (type (missing-arg) :type (member :rplaca :rplacd :svset :struct-set)) ;; the object containing circularity object ;; index in object for circularity - (index (required-argument) :type index) + (index (missing-arg) :type index) ;; the object to be stored at INDEX in OBJECT. This is that the key ;; that we were using when we discovered the circularity. value @@ -86,7 +86,7 @@ enclosing-object) ;;; a list of the CIRCULARITY structures for all of the circularities -;;; detected in the current top-level call to DUMP-OBJECT. Setting +;;; detected in the current top level call to DUMP-OBJECT. Setting ;;; this lobotomizes circularity detection as well, since circular ;;; dumping uses the table. (defvar *circularities-detected*) @@ -105,12 +105,12 @@ (declare (type (unsigned-byte 8) b) (type fasl-output fasl-output)) (write-byte b (fasl-output-stream fasl-output))) -;;; Dump a 4 byte unsigned integer. -(defun dump-unsigned-32 (num fasl-output) - (declare (type (unsigned-byte 32) num)) +;; Dump a word-sized integer. +(defun dump-word (num fasl-output) + (declare (type sb!vm:word num)) (declare (type fasl-output fasl-output)) (let ((stream (fasl-output-stream fasl-output))) - (dotimes (i 4) + (dotimes (i sb!vm:n-word-bytes) (write-byte (ldb (byte 8 (* 8 i)) num) stream)))) ;;; Dump NUM to the fasl stream, represented by N bytes. This works @@ -151,11 +151,12 @@ #!+sb-show (when *fop-nop4-count* (dump-byte ,(get 'fop-nop4 'fop-code) ,file) - (dump-unsigned-32 (mod (incf *fop-nop4-count*) (expt 2 32)) ,file)) + (dump-integer-as-n-bytes (mod (incf *fop-nop4-count*) (expt 2 32)) + 4 ,file)) (dump-byte ',val ,file)) (error "compiler bug: ~S is not a legal fasload operator." fs)))) -;;; Dump a FOP-Code along with an integer argument, choosing the FOP +;;; Dump a FOP-CODE along with an integer argument, choosing the FOP ;;; based on whether the argument will fit in a single byte. ;;; ;;; FIXME: This, like DUMP-FOP, should be a function with a @@ -168,7 +169,7 @@ (dump-byte ,n-n ,n-file)) (t (dump-fop ',word-fop ,n-file) - (dump-unsigned-32 ,n-n ,n-file))))) + (dump-word ,n-n ,n-file))))) ;;; Push the object at table offset Handle on the fasl stack. (defun dump-push (handle fasl-output) @@ -191,11 +192,19 @@ (declare (type fasl-output fasl-output)) (unless *cold-load-dump* (let ((handle (gethash x (fasl-output-equal-table fasl-output)))) - (cond (handle - (dump-push handle fasl-output) - t) - (t - nil))))) + (cond + (handle (dump-push handle fasl-output) t) + (t nil))))) +(defun string-check-table (x fasl-output) + (declare (type fasl-output fasl-output) + (type string x)) + (unless *cold-load-dump* + (let ((handle (cdr (assoc + (array-element-type x) + (gethash x (fasl-output-equal-table fasl-output)))))) + (cond + (handle (dump-push handle fasl-output) t) + (t nil))))) ;;; These functions are called after dumping an object to save the ;;; object in the table. The object (also passed in as X) must already @@ -216,7 +225,16 @@ (setf (gethash x (fasl-output-eq-table fasl-output)) handle) (dump-push handle fasl-output))) (values)) - +(defun string-save-object (x fasl-output) + (declare (type fasl-output fasl-output) + (type string x)) + (unless *cold-load-dump* + (let ((handle (dump-pop fasl-output))) + (push (cons (array-element-type x) handle) + (gethash x (fasl-output-equal-table fasl-output))) + (setf (gethash x (fasl-output-eq-table fasl-output)) handle) + (dump-push handle fasl-output))) + (values)) ;;; Record X in File's CIRCULARITY-TABLE unless *COLD-LOAD-DUMP* is ;;; true. This is called on objects that we are about to dump might ;;; have a circular path through them. @@ -246,49 +264,64 @@ ;;;; opening and closing fasl files +;;; A utility function to write strings to (unsigned-byte 8) streams. +;;; We restrict this to ASCII (with the averrance) because of +;;; ambiguity of higher bytes: Unicode, some ISO-8859-x, or what? This +;;; could be revisited in the event of doing funky things with stream +;;; encodings -- CSR, 2002-04-25 +(defun fasl-write-string (string stream) + (loop for char across string + do (let ((code (char-code char))) + (aver (<= 0 code 127)) + (write-byte code stream)))) + ;;; Open a fasl file, write its header, and return a FASL-OUTPUT ;;; object for dumping to it. Some human-readable information about ;;; the source code is given by the string WHERE. If BYTE-P is true, ;;; this file will contain no native code, and is thus largely ;;; implementation independent. -(defun open-fasl-output (name where &optional byte-p) +(defun open-fasl-output (name where) (declare (type pathname name)) (let* ((stream (open name :direction :output - :if-exists :new-version + :if-exists :supersede :element-type 'sb!assem:assembly-unit)) (res (make-fasl-output :stream stream))) ;; Begin the header with the constant machine-readable (and ;; semi-human-readable) string which is used to identify fasl files. - (write-string *fasl-header-string-start-string* stream) + (fasl-write-string *fasl-header-string-start-string* stream) ;; The constant string which begins the header is followed by ;; arbitrary human-readable text, terminated by a special ;; character code. - (with-standard-io-syntax - (format stream - "~% ~ - compiled from ~S~% ~ - at ~A~% ~ - on ~A~% ~ - using ~A version ~A~%" - where - (format-universal-time nil (get-universal-time)) - (machine-instance) - (sb!xc:lisp-implementation-type) - (sb!xc:lisp-implementation-version))) + (fasl-write-string + (with-standard-io-syntax + (let ((*print-readably* nil) + (*print-pretty* nil)) + (format nil + "~% ~ + compiled from ~S~% ~ + at ~A~% ~ + on ~A~% ~ + using ~A version ~A~%" + where + (format-universal-time nil (get-universal-time)) + (machine-instance) + (sb!xc:lisp-implementation-type) + (sb!xc:lisp-implementation-version)))) + stream) (dump-byte +fasl-header-string-stop-char-code+ res) - ;; Finish the header by outputting fasl file implementation and - ;; version in machine-readable form. - (let ((implementation (if byte-p - (backend-byte-fasl-file-implementation) - +backend-fasl-file-implementation+))) - (dump-unsigned-32 (length (symbol-name implementation)) res) - (dotimes (i (length (symbol-name implementation))) - (dump-byte (char-code (aref (symbol-name implementation) i)) res))) - (dump-unsigned-32 +fasl-file-version+ res) + ;; Finish the header by outputting fasl file implementation, + ;; version, and key *FEATURES*. + (flet ((dump-counted-string (string) + (dump-word (length string) res) + (dotimes (i (length string)) + (dump-byte (char-code (aref string i)) res)))) + (dump-counted-string (symbol-name +backend-fasl-file-implementation+)) + (dump-word +fasl-file-version+ res) + (dump-counted-string *features-affecting-fasl-format*)) res)) @@ -302,7 +335,7 @@ ;; End the group. (dump-fop 'fop-verify-empty-stack fasl-output) (dump-fop 'fop-verify-table-size fasl-output) - (dump-unsigned-32 (fasl-output-table-free fasl-output) + (dump-word (fasl-output-table-free fasl-output) fasl-output) (dump-fop 'fop-end-group fasl-output) @@ -340,7 +373,7 @@ ;; take a little more care while dumping these. ;; So if better list coalescing is needed, start here. ;; -- WHN 2000-11-07 - (if (circular-list-p x) + (if (cyclic-list-p x) (progn (dump-list x file) (eq-save-object x file)) @@ -354,11 +387,8 @@ (dump-structure x file) (eq-save-object x file)) (array - ;; FIXME: The comment at the head of - ;; DUMP-NON-IMMEDIATE-OBJECT says it's for objects which - ;; we want to save, instead of repeatedly dumping them. - ;; But then we dump arrays here without doing anything - ;; like EQUAL-SAVE-OBJECT. What gives? + ;; DUMP-ARRAY (and its callees) are responsible for + ;; updating the EQ and EQUAL hash tables. (dump-array x file)) (number (unless (equal-check-table x file) @@ -377,12 +407,12 @@ ;;; Dump an object of any type by dispatching to the correct ;;; type-specific dumping function. We pick off immediate objects, -;;; symbols and and magic lists here. Other objects are handled by +;;; symbols and magic lists here. Other objects are handled by ;;; DUMP-NON-IMMEDIATE-OBJECT. ;;; ;;; This is the function used for recursive calls to the fasl dumper. ;;; We don't worry about creating circularities here, since it is -;;; assumed that there is a top-level call to DUMP-OBJECT. +;;; assumed that there is a top level call to DUMP-OBJECT. (defun sub-dump-object (x file) (cond ((listp x) (if x @@ -414,7 +444,7 @@ (i 0 (1+ i))) ((eq current value) (dump-fop 'fop-nthcdr file) - (dump-unsigned-32 i file)) + (dump-word i file)) (declare (type index i))))) (ecase (circularity-type info) @@ -422,8 +452,8 @@ (:rplacd (dump-fop 'fop-rplacd file)) (:svset (dump-fop 'fop-svset file)) (:struct-set (dump-fop 'fop-structset file))) - (dump-unsigned-32 (gethash (circularity-object info) table) file) - (dump-unsigned-32 (circularity-index info) file)))) + (dump-word (gethash (circularity-object info) table) file) + (dump-word (circularity-index info) file)))) ;;; Set up stuff for circularity detection, then dump an object. All ;;; shared and circular structure will be exactly preserved within a @@ -433,10 +463,7 @@ ;;; We peek at the object type so that we only pay the circular ;;; detection overhead on types of objects that might be circular. (defun dump-object (x file) - (if (or (array-header-p x) - (simple-vector-p x) - (consp x) - (typep x 'instance)) + (if (compound-object-p x) (let ((*circularities-detected* ()) (circ (fasl-output-circularity-table file))) (clrhash circ) @@ -497,12 +524,12 @@ ((signed-byte 8) (dump-fop 'fop-byte-integer file) (dump-byte (logand #xFF n) file)) - ((unsigned-byte 31) + ((unsigned-byte #.(1- sb!vm:n-word-bits)) (dump-fop 'fop-word-integer file) - (dump-unsigned-32 n file)) - ((signed-byte 32) + (dump-word n file)) + ((signed-byte #.sb!vm:n-word-bits) (dump-fop 'fop-word-integer file) - (dump-integer-as-n-bytes n 4 file)) + (dump-integer-as-n-bytes n #.sb!vm:n-word-bytes file)) (t (let ((bytes (ceiling (1+ (integer-length n)) 8))) (dump-fop* bytes fop-small-integer fop-integer file) @@ -517,9 +544,7 @@ (dump-fop 'fop-double-float file) (let ((x x)) (declare (double-float x)) - ;; FIXME: Why sometimes DUMP-UNSIGNED-32 and sometimes - ;; DUMP-INTEGER-AS-N-BYTES .. 4? - (dump-unsigned-32 (double-float-low-bits x) file) + (dump-integer-as-n-bytes (double-float-low-bits x) 4 file) (dump-integer-as-n-bytes (double-float-high-bits x) 4 file))) #!+long-float (long-float @@ -538,11 +563,11 @@ (dump-fop 'fop-complex-double-float file) (let ((re (realpart x))) (declare (double-float re)) - (dump-unsigned-32 (double-float-low-bits re) file) + (dump-integer-as-n-bytes (double-float-low-bits re) 4 file) (dump-integer-as-n-bytes (double-float-high-bits re) 4 file)) (let ((im (imagpart x))) (declare (double-float im)) - (dump-unsigned-32 (double-float-low-bits im) file) + (dump-integer-as-n-bytes (double-float-low-bits im) 4 file) (dump-integer-as-n-bytes (double-float-high-bits im) 4 file))) #!+long-float ((complex long-float) @@ -568,9 +593,8 @@ ;;; this function is not parallel to other functions DUMP-FOO, e.g. ;;; DUMP-SYMBOL and DUMP-LIST. The mapping between names and behavior ;;; should be made more consistent. +(declaim (ftype (function (package fasl-output) index) dump-package)) (defun dump-package (pkg file) - (declare (type package pkg) (type fasl-output file)) - (declare (values index)) (declare (inline assoc)) (cond ((cdr (assoc pkg (fasl-output-packages file) :test #'eq))) (t @@ -702,7 +726,9 @@ ;;; tables. (defun dump-vector (x file) (let ((simple-version (if (array-header-p x) - (coerce x 'simple-array) + (coerce x `(simple-array + ,(array-element-type x) + (*))) x))) (typecase simple-version (simple-base-string @@ -758,13 +784,27 @@ (t (sub-dump-object obj file)))))) +;;; In the grand scheme of things I don't pretend to understand any +;;; more how this works, or indeed whether. But to write out specialized +;;; vectors in the same format as fop-int-vector expects to read them +;;; we need to be target-endian. dump-integer-as-n-bytes always writes +;;; little-endian (which is correct for all other integers) so for a bigendian +;;; target we need to swap octets -- CSR, after DB + +(defun octet-swap (word bits) + "BITS must be a multiple of 8" + (do ((input word (ash input -8)) + (output 0 (logior (ash output 8) (logand input #xff))) + (bits bits (- bits 8))) + ((<= bits 0) output))) + (defun dump-i-vector (vec file &key data-only) (declare (type (simple-array * (*)) vec)) (let ((len (length vec))) (labels ((dump-unsigned-vector (size bytes) (unless data-only (dump-fop 'fop-int-vector file) - (dump-unsigned-32 len file) + (dump-word len file) (dump-byte size file)) ;; The case which is easy to handle in a portable way is when ;; the element size is a multiple of the output byte size, and @@ -773,11 +813,18 @@ ;; (SIMPLE-ARRAY (UNSIGNED-BYTE 8) *).) The other cases are only ;; needed in the target SBCL, so we let them be handled with ;; unportable bit bashing. - (cond ((>= size 8) ; easy cases + (cond ((>= size 7) ; easy cases (multiple-value-bind (floor rem) (floor size 8) - (aver (zerop rem)) + (aver (or (zerop rem) (= rem 7))) + (when (= rem 7) + (setq size (1+ size)) + (setq floor (1+ floor))) (dovector (i vec) - (dump-integer-as-n-bytes i floor file)))) + (dump-integer-as-n-bytes + (ecase sb!c:*backend-byte-order* + (:little-endian i) + (:big-endian (octet-swap i size))) + floor file)))) (t ; harder cases, not supported in cross-compiler (dump-raw-bytes vec bytes file)))) (dump-signed-vector (size bytes) @@ -788,31 +835,71 @@ ;; target machine.) (unless data-only (dump-fop 'fop-signed-int-vector file) - (dump-unsigned-32 len file) + (dump-word len file) (dump-byte size file)) (dump-raw-bytes vec bytes file))) (etypecase vec - ;; KLUDGE: What exactly does the (ASH .. -3) stuff do? -- WHN 19990902 + #-sb-xc-host + ((simple-array nil (*)) + (dump-unsigned-vector 0 0)) (simple-bit-vector - (dump-unsigned-vector 1 (ash (+ (the index len) 7) -3))) + (dump-unsigned-vector 1 (ceiling len 8))) ; bits to bytes + ;; KLUDGE: This isn't the best way of expressing that the host + ;; may not have specializations for (unsigned-byte 2) and + ;; (unsigned-byte 4), which means that these types are + ;; type-equivalent to (simple-array (unsigned-byte 8) (*)); + ;; the workaround is to remove them from the etypecase, since + ;; they can't be dumped from the cross-compiler anyway. -- + ;; CSR, 2002-05-07 + #-sb-xc-host ((simple-array (unsigned-byte 2) (*)) - (dump-unsigned-vector 2 (ash (+ (the index (ash len 1)) 7) -3))) + (dump-unsigned-vector 2 (ceiling (ash len 1) 8))) ; bits to bytes + #-sb-xc-host ((simple-array (unsigned-byte 4) (*)) - (dump-unsigned-vector 4 (ash (+ (the index (ash len 2)) 7) -3))) + (dump-unsigned-vector 4 (ceiling (ash len 2) 8))) ; bits to bytes + #-sb-xc-host + ((simple-array (unsigned-byte 7) (*)) + (dump-unsigned-vector 7 len)) ((simple-array (unsigned-byte 8) (*)) (dump-unsigned-vector 8 len)) + #-sb-xc-host + ((simple-array (unsigned-byte 15) (*)) + (dump-unsigned-vector 15 (* 2 len))) ((simple-array (unsigned-byte 16) (*)) (dump-unsigned-vector 16 (* 2 len))) + #-sb-xc-host + ((simple-array (unsigned-byte 31) (*)) + (dump-unsigned-vector 31 (* 4 len))) ((simple-array (unsigned-byte 32) (*)) (dump-unsigned-vector 32 (* 4 len))) + #-sb-xc-host + #!+#.(cl:if (cl:= 64 sb!vm:n-word-bits) '(and) '(or)) + ((simple-array (unsigned-byte-63) (*)) + (dump-unsigned-vector 63 (* 8 len))) + #!+#.(cl:if (cl:= 64 sb!vm:n-word-bits) '(and) '(or)) + ((simple-array (unsigned-byte-64) (*)) + (dump-unsigned-vector 64 (* 8 len))) ((simple-array (signed-byte 8) (*)) (dump-signed-vector 8 len)) ((simple-array (signed-byte 16) (*)) (dump-signed-vector 16 (* 2 len))) + #!+#.(cl:if (cl:= 32 sb!vm:n-word-bits) '(and) '(or)) + ((simple-array (unsigned-byte 29) (*)) + (dump-signed-vector 29 (* 4 len))) + #!+#.(cl:if (cl:= 32 sb!vm:n-word-bits) '(and) '(or)) ((simple-array (signed-byte 30) (*)) (dump-signed-vector 30 (* 4 len))) ((simple-array (signed-byte 32) (*)) - (dump-signed-vector 32 (* 4 len))))))) + (dump-signed-vector 32 (* 4 len))) + #!+#.(cl:if (cl:= 64 sb!vm:n-word-bits) '(and) '(or)) + ((simple-array (unsigned-byte 60) (*)) + (dump-signed-vector 60 (* 8 len))) + #!+#.(cl:if (cl:= 64 sb!vm:n-word-bits) '(and) '(or)) + ((simple-array (signed-byte 61) (*)) + (dump-signed-vector 61 (* 8 len))) + #!+#.(cl:if (cl:= 64 sb!vm:n-word-bits) '(and) '(or)) + ((simple-array (signed-byte 64) (*)) + (dump-signed-vector 64 (* 8 len))))))) ;;; Dump characters and string-ish things. @@ -880,7 +967,7 @@ fop-symbol-in-byte-package-save fop-symbol-in-package-save file) - (dump-unsigned-32 pname-length file))) + (dump-word pname-length file))) (dump-characters-of-string pname file) @@ -898,23 +985,12 @@ (declare (type sb!assem:segment segment) (type fasl-output fasl-output)) (let* ((stream (fasl-output-stream fasl-output)) - (nwritten (write-segment-contents segment stream))) + (n-written (write-segment-contents segment stream))) ;; In CMU CL there was no enforced connection between the CODE-LENGTH ;; argument and the number of bytes actually written. I added this ;; assertion while trying to debug portable genesis. -- WHN 19990902 - (unless (= code-length nwritten) - (error "internal error, code-length=~D, nwritten=~D" - code-length - nwritten))) - ;; KLUDGE: It's not clear what this is trying to do, but it looks as - ;; though it's an implicit undocumented dependence on a 4-byte - ;; wordsize which could be painful in porting. Note also that there - ;; are other undocumented modulo-4 things scattered throughout the - ;; code and conditionalized with GENGC, and I don't know what those - ;; do either. -- WHN 19990323 - #!+gengc (unless (zerop (logand code-length 3)) - (dotimes (i (- 4 (logand code-length 3))) - (dump-byte 0 fasl-output))) + (unless (= code-length n-written) + (bug "code-length=~W, n-written=~W" code-length n-written))) (values)) ;;; Dump all the fixups. Currently there are three flavors of fixup: @@ -923,27 +999,18 @@ ;;; - code object references: don't need a name. (defun dump-fixups (fixups fasl-output) (declare (list fixups) (type fasl-output fasl-output)) - (dolist (info fixups) - ;; FIXME: Packing data with LIST in NOTE-FIXUP and unpacking them - ;; with FIRST, SECOND, and THIRD here is hard to follow and - ;; maintain. Perhaps we could define a FIXUP-INFO structure to use - ;; instead, and rename *FIXUPS* to *FIXUP-INFO-LIST*? - (let* ((kind (first info)) - (fixup (second info)) + (dolist (note fixups) + (let* ((kind (fixup-note-kind note)) + (fixup (fixup-note-fixup note)) + (position (fixup-note-position note)) (name (fixup-name fixup)) - (flavor (fixup-flavor fixup)) - (offset (third info))) - ;; FIXME: This OFFSET is not what's called OFFSET in the FIXUP - ;; structure, it's what's called POSN in NOTE-FIXUP. (As far as - ;; I can tell, FIXUP-OFFSET is not actually an offset, it's an - ;; internal label used instead of NAME for :CODE-OBJECT fixups. - ;; Notice that in the :CODE-OBJECT case, NAME is ignored.) + (flavor (fixup-flavor fixup))) (dump-fop 'fop-normal-load fasl-output) (let ((*cold-load-dump* t)) (dump-object kind fasl-output)) (dump-fop 'fop-maybe-cold-load fasl-output) ;; Depending on the flavor, we may have various kinds of - ;; noise before the offset. + ;; noise before the position. (ecase flavor (:assembly-routine (aver (symbolp name)) @@ -952,9 +1019,14 @@ (dump-object name fasl-output)) (dump-fop 'fop-maybe-cold-load fasl-output) (dump-fop 'fop-assembler-fixup fasl-output)) - (:foreign + ((:foreign :foreign-dataref) (aver (stringp name)) - (dump-fop 'fop-foreign-fixup fasl-output) + (ecase flavor + (:foreign + (dump-fop 'fop-foreign-fixup fasl-output)) + #!+linkage-table + (:foreign-dataref + (dump-fop 'fop-foreign-dataref-fixup fasl-output))) (let ((len (length name))) (aver (< len 256)) ; (limit imposed by fop definition) (dump-byte len fasl-output) @@ -963,8 +1035,8 @@ (:code-object (aver (null name)) (dump-fop 'fop-code-object-fixup fasl-output))) - ;; No matter what the flavor, we'll always dump the offset. - (dump-unsigned-32 offset fasl-output))) + ;; No matter what the flavor, we'll always dump the position + (dump-word position fasl-output))) (values)) ;;; Dump out the constant pool and code-vector for component, push the @@ -1001,27 +1073,18 @@ (collect ((patches)) - ;; Dump the debug info. - #!+gengc - (let ((info (sb!c::debug-info-for-component component)) - (*dump-only-valid-structures* nil)) - (dump-object info fasl-output) - (let ((info-handle (dump-pop fasl-output))) - (dump-push info-handle fasl-output) - (push info-handle (fasl-output-debug-info fasl-output)))) - ;; Dump the offset of the trace table. (dump-object code-length fasl-output) ;; FIXME: As long as we don't have GENGC, the trace table is - ;; hardwired to be empty. So we might be able to get rid of - ;; trace tables? However, we should probably wait for the first - ;; port to a system where CMU CL uses GENGC to see whether GENGC - ;; is really gone. (I.e. maybe other non-X86 ports will want to - ;; use it, just as in CMU CL.) - - ;; Dump the constants, noting any :entries that have to be fixed up. - (do ((i sb!vm:code-constants-offset (1+ i))) - ((>= i header-length)) + ;; hardwired to be empty. And SBCL doesn't have GENGC (and as + ;; far as I know no modern CMU CL does either -- WHN + ;; 2001-10-05). So might we be able to get rid of trace tables? + ;; + ;; Note that gencgc also does something with the trace table. + + ;; Dump the constants, noting any :ENTRY constants that have to + ;; be patched. + (loop for i from sb!vm:code-constants-offset below header-length do (let ((entry (aref constants i))) (etypecase entry (constant @@ -1033,6 +1096,7 @@ (handle (gethash info (fasl-output-entry-table fasl-output)))) + (declare (type sb!c::entry-info info)) (cond (handle (dump-push handle fasl-output)) @@ -1048,7 +1112,6 @@ (dump-fop 'fop-misc-trap fasl-output))))) ;; Dump the debug info. - #!-gengc (let ((info (sb!c::debug-info-for-component component)) (*dump-only-valid-structures* nil)) (dump-object info fasl-output) @@ -1056,20 +1119,15 @@ (dump-push info-handle fasl-output) (push info-handle (fasl-output-debug-info fasl-output)))) - (let ((num-consts #!+gengc (- header-length - sb!vm:code-debug-info-slot) - #!-gengc (- header-length - sb!vm:code-trace-table-offset-slot)) - (total-length #!+gengc (ceiling total-length 4) - #!-gengc total-length)) + (let ((num-consts (- header-length sb!vm:code-trace-table-offset-slot))) (cond ((and (< num-consts #x100) (< total-length #x10000)) (dump-fop 'fop-small-code fasl-output) (dump-byte num-consts fasl-output) - (dump-integer-as-n-bytes total-length 2 fasl-output)) + (dump-integer-as-n-bytes total-length (/ sb!vm:n-word-bytes 2) fasl-output)) (t (dump-fop 'fop-code fasl-output) - (dump-unsigned-32 num-consts fasl-output) - (dump-unsigned-32 total-length fasl-output)))) + (dump-word num-consts fasl-output) + (dump-word total-length fasl-output)))) ;; These two dumps are only ones which contribute to our ;; TOTAL-LENGTH value. @@ -1082,6 +1140,7 @@ (dump-fixups fixups fasl-output) (dump-fop 'fop-sanctify-for-execution fasl-output) + (let ((handle (dump-pop fasl-output))) (dolist (patch (patches)) (push (cons handle (cdr patch)) @@ -1091,9 +1150,7 @@ (defun dump-assembler-routines (code-segment length fixups routines file) (dump-fop 'fop-assembler-code file) - (dump-unsigned-32 #!+gengc (ceiling length 4) - #!-gengc length - file) + (dump-word length file) (write-segment-contents code-segment (fasl-output-stream file)) (dolist (routine routines) (dump-fop 'fop-normal-load file) @@ -1101,12 +1158,12 @@ (dump-object (car routine) file)) (dump-fop 'fop-maybe-cold-load file) (dump-fop 'fop-assembler-routine file) - (dump-unsigned-32 (label-position (cdr routine)) file)) + (dump-word (label-position (cdr routine)) file)) (dump-fixups fixups file) (dump-fop 'fop-sanctify-for-execution file) (dump-pop file)) -;;; Dump a function-entry data structure corresponding to ENTRY to +;;; Dump a function entry data structure corresponding to ENTRY to ;;; FILE. CODE-HANDLE is the table offset of the code object for the ;;; component. (defun dump-one-entry (entry code-handle file) @@ -1117,8 +1174,8 @@ (dump-object name file) (dump-object (sb!c::entry-info-arguments entry) file) (dump-object (sb!c::entry-info-type entry) file) - (dump-fop 'fop-function-entry file) - (dump-unsigned-32 (label-position (sb!c::entry-info-offset entry)) file) + (dump-fop 'fop-fun-entry file) + (dump-word (label-position (sb!c::entry-info-offset entry)) file) (dump-pop file))) ;;; Alter the code object referenced by CODE-HANDLE at the specified @@ -1144,7 +1201,7 @@ (dump-fop 'fop-verify-empty-stack file) (dump-fop 'fop-verify-table-size file) - (dump-unsigned-32 (fasl-output-table-free file) file) + (dump-word (fasl-output-table-free file) file) #!+sb-dyncount (let ((info (sb!c::ir2-component-dyncount-info (component-info component)))) @@ -1163,12 +1220,7 @@ (dolist (entry (sb!c::ir2-component-entries 2comp)) (let ((entry-handle (dump-one-entry entry code-handle file))) (setf (gethash entry (fasl-output-entry-table file)) entry-handle) - (let ((old (gethash entry (fasl-output-patch-table file)))) - ;; FIXME: All this code is shared with - ;; FASL-DUMP-BYTE-COMPONENT, and should probably be gathered - ;; up into a named function (DUMP-PATCHES?) called from both - ;; functions. (when old (dolist (patch old) (dump-alter-code-object (car patch) @@ -1178,123 +1230,6 @@ (remhash entry (fasl-output-patch-table file))))))) (values)) -(defun dump-byte-code-object (segment code-length constants file) - (declare (type sb!assem:segment segment) - (type index code-length) - (type vector constants) - (type fasl-output file)) - (collect ((entry-patches)) - - ;; Dump the debug info. - #!+gengc - (let ((info (sb!c::make-debug-info - :name (sb!c::component-name *component-being-compiled*))) - (*dump-only-valid-structures* nil)) - (dump-object info file) - (let ((info-handle (dump-pop file))) - (dump-push info-handle file) - (push info-handle (fasl-output-debug-info file)))) - - ;; The "trace table" is initialized by loader to hold a list of - ;; all byte functions in this code object (for debug info.) - (dump-object nil file) - - ;; Dump the constants. - ;; - ;; FIXME: There's a family resemblance between this and the - ;; corresponding code in DUMP-CODE-OBJECT. Could some be shared? - (dotimes (i (length constants)) - (let ((entry (aref constants i))) - (etypecase entry - (constant - (dump-object (sb!c::constant-value entry) file)) - (null - (dump-fop 'fop-misc-trap file)) - (list - (ecase (car entry) - (:entry - (let* ((info (sb!c::leaf-info (cdr entry))) - (handle (gethash info - (fasl-output-entry-table file)))) - (cond - (handle - (dump-push handle file)) - (t - (entry-patches (cons info - (+ i sb!vm:code-constants-offset))) - (dump-fop 'fop-misc-trap file))))) - (:load-time-value - (dump-push (cdr entry) file)) - (:fdefinition - (dump-object (cdr entry) file) - (dump-fop 'fop-fdefinition file)) - (:type-predicate - (dump-object 'load-type-predicate file) - (let ((*unparse-function-type-simplify* t)) - (dump-object (type-specifier (cdr entry)) file)) - (dump-fop 'fop-funcall file) - (dump-byte 1 file))))))) - - ;; Dump the debug info. - #!-gengc - (let ((info (sb!c::make-debug-info :name - (sb!c::component-name - *component-being-compiled*))) - (*dump-only-valid-structures* nil)) - (dump-object info file) - (let ((info-handle (dump-pop file))) - (dump-push info-handle file) - (push info-handle (fasl-output-debug-info file)))) - - (let ((num-consts #!+gengc (+ (length constants) 2) - #!-gengc (1+ (length constants))) - (code-length #!+gengc (ceiling code-length 4) - #!-gengc code-length)) - (cond ((and (< num-consts #x100) (< code-length #x10000)) - (dump-fop 'fop-small-code file) - (dump-byte num-consts file) - (dump-integer-as-n-bytes code-length 2 file)) - (t - (dump-fop 'fop-code file) - (dump-unsigned-32 num-consts file) - (dump-unsigned-32 code-length file)))) - (dump-segment segment code-length file) - (let ((code-handle (dump-pop file)) - (patch-table (fasl-output-patch-table file))) - (dolist (patch (entry-patches)) - (push (cons code-handle (cdr patch)) - (gethash (car patch) patch-table))) - code-handle))) - -;;; Dump a byte-component. This is similar to FASL-DUMP-COMPONENT, but -;;; different. -(defun fasl-dump-byte-component (segment length constants xeps file) - (declare (type sb!assem:segment segment) - (type index length) - (type vector constants) - (type list xeps) - (type fasl-output file)) - - (let ((code-handle (dump-byte-code-object segment length constants file))) - (dolist (noise xeps) - (let* ((lambda (car noise)) - (info (sb!c::lambda-info lambda)) - (xep (cdr noise))) - (dump-byte-function xep code-handle file) - (let* ((entry-handle (dump-pop file)) - (patch-table (fasl-output-patch-table file)) - (old (gethash info patch-table))) - (setf (gethash info (fasl-output-entry-table file)) - entry-handle) - (when old - (dolist (patch old) - (dump-alter-code-object (car patch) - (cdr patch) - entry-handle - file)) - (remhash info patch-table)))))) - (values)) - (defun dump-push-previously-dumped-fun (fun fasl-output) (declare (type sb!c::clambda fun)) (let ((handle (gethash (sb!c::leaf-info fun) @@ -1303,9 +1238,9 @@ (dump-push handle fasl-output)) (values)) -;;; Dump a FOP-FUNCALL to call an already-dumped top-level lambda at +;;; Dump a FOP-FUNCALL to call an already-dumped top level lambda at ;;; load time. -(defun fasl-dump-top-level-lambda-call (fun fasl-output) +(defun fasl-dump-toplevel-lambda-call (fun fasl-output) (declare (type sb!c::clambda fun)) (dump-push-previously-dumped-fun fun fasl-output) (dump-fop 'fop-funcall-for-effect fasl-output) @@ -1318,7 +1253,7 @@ #+sb-xc-host (defun fasl-dump-cold-fset (fun-name fun-dump-handle fasl-output) (declare (type fixnum fun-dump-handle)) - (aver (legal-function-name-p fun-name)) + (aver (legal-fun-name-p fun-name)) (dump-non-immediate-object fun-name fasl-output) (dump-push fun-dump-handle fasl-output) (dump-fop 'fop-fset fasl-output) @@ -1337,8 +1272,9 @@ (dolist (info-handle (fasl-output-debug-info fasl-output)) (dump-push res-handle fasl-output) (dump-fop 'fop-structset fasl-output) - (dump-unsigned-32 info-handle fasl-output) - (dump-unsigned-32 2 fasl-output)))) + (dump-word info-handle fasl-output) + ;; FIXME: what is this bare `2'? --njf, 2004-08-16 + (dump-word 2 fasl-output)))) (setf (fasl-output-debug-info fasl-output) nil) (values)) @@ -1371,8 +1307,8 @@ (defun dump-layout (obj file) (when (layout-invalid obj) (compiler-error "attempt to dump reference to obsolete class: ~S" - (layout-class obj))) - (let ((name (sb!xc:class-name (layout-class obj)))) + (layout-classoid obj))) + (let ((name (classoid-name (layout-classoid obj)))) (unless name (compiler-error "dumping anonymous layout: ~S" obj)) (dump-fop 'fop-normal-load file)