src/cold/defun-load-or-cload-xcompiler.lisp

   1 ;;;; This software is part of the SBCL system. See the README file for
   2 ;;;; more information.
   3 ;;;;
   4 ;;;; This software is derived from the CMU CL system, which was
   5 ;;;; written at Carnegie Mellon University and released into the
   6 ;;;; public domain. The software is in the public domain and is
   7 ;;;; provided with absolutely no warranty. See the COPYING and CREDITS
   8 ;;;; files for more information.
   9
  10 (in-package "SB-COLD")
  11
  12 (defparameter *full-calls-to-warn-about*
  13   '(;mask-signed-field ;; Too many to fix
  14     ))
  15
  16 ;;; Set of function names whose definition will never be seen in make-host-2,
  17 ;;; as they are deferred until warm load.
  18 ;;; The table is populated later in this file.
  19 (defparameter *undefined-fun-whitelist* (make-hash-table :test 'equal))
  20
  21 (defvar *symbol-values-for-genesis*)
  22 (export '*symbol-values-for-genesis*)
  23 (let ((pathname "output/init-symbol-values.lisp-expr"))
  24   (setq *symbol-values-for-genesis*
  25         (and (probe-file pathname) (read-from-file pathname)))
  26   (defun save-initial-symbol-values ()
  27     (with-open-file (f pathname :direction :output :if-exists :supersede)
  28       (write *symbol-values-for-genesis* :stream f :readably t))))
  29
  30 (when (make-host-1-parallelism)
  31   (require :sb-posix))
  32 #+#.(cl:if (cl:find-package "SB-POSIX") '(and) '(or))
  33 (defun parallel-make-host-1 (max-jobs)
  34   (let ((subprocess-count 0)
  35         (subprocess-list nil))
  36     (flet ((wait ()
  37              (multiple-value-bind (pid status) (sb-posix:wait)
  38                (format t "~&; Subprocess ~D exit status ~D~%"  pid status)
  39                (setq subprocess-list (delete pid subprocess-list)))
  40              (decf subprocess-count)))
  41       (do-stems-and-flags (stem flags)
  42         (unless (position :not-host flags)
  43           (when (>= subprocess-count max-jobs)
  44             (wait))
  45           (let ((pid (sb-posix:fork)))
  46             (when (zerop pid)
  47               (in-host-compilation-mode
  48                (lambda () (compile-stem stem flags :host-compile)))
  49               ;; FIXME: convey exit code based on COMPILE result.
  50               #.(if (eq :external
  51                         (nth-value 1 (find-symbol "OS-EXIT" :sb-sys)))
  52                     `(,(find-symbol "OS-EXIT" :sb-sys) 0)
  53                     `(sb-unix:unix-exit 0)))
  54             (push pid subprocess-list)
  55             (incf subprocess-count)
  56             ;; Do not wait for the compile to finish. Just load as source.
  57             (let ((source (merge-pathnames (stem-remap-target stem)
  58                                            (make-pathname :type "lisp"))))
  59               (let ((sb-ext:*evaluator-mode* :interpret))
  60                 (in-host-compilation-mode
  61                  (lambda ()
  62                    (load source :verbose t :print nil))))))))
  63       (loop (if (plusp subprocess-count) (wait) (return)))))
  64
  65   ;; We want to load compiled files, because that's what this function promises.
  66   ;; Reloading is tricky because constructors for interned ctypes will construct
  67   ;; new objects via their LOAD-TIME-VALUE forms, but globaldb already stored
  68   ;; some objects from the interpreted pre-load.
  69   ;; So wipe everything out that causes problems down the line.
  70   ;; (Or perhaps we could make their effects idempotent)
  71   (format t "~&; Parallel build: Clearing globaldb~%")
  72   (do-all-symbols (s)
  73     (when (get s :sb-xc-globaldb-info)
  74       (remf (symbol-plist s) :sb-xc-globaldb-info)))
  75   (fill (symbol-value 'sb!c::*info-types*) nil)
  76   (clrhash (symbol-value 'sb!kernel::*forward-referenced-layouts*))
  77   (setf (symbol-value 'sb!kernel:*type-system-initialized*) nil)
  78   (makunbound 'sb!c::*backend-primitive-type-names*)
  79   (makunbound 'sb!c::*backend-primitive-type-aliases*)
  80
  81   (format t "~&; Parallel build: Reloading compilation artifacts~%")
  82   ;; Now it works to load fasls.
  83   (in-host-compilation-mode
  84    (lambda ()
  85      (handler-bind ((sb-kernel:redefinition-warning #'muffle-warning))
  86        (do-stems-and-flags (stem flags)
  87          (unless (position :not-host flags)
  88            (load (stem-object-path stem flags :host-compile)
  89                  :verbose t :print nil))))))
  90   (format t "~&; Parallel build: Fasl loading complete~%"))
  91
  92 ;;; Either load or compile-then-load the cross-compiler into the
  93 ;;; cross-compilation host Common Lisp.
  94 (defun load-or-cload-xcompiler (load-or-cload-stem)
  95
  96   (declare (type function load-or-cload-stem))
  97
  98   ;; The running-in-the-host-Lisp Python cross-compiler defines its
  99   ;; own versions of a number of functions which should not overwrite
 100   ;; host-Lisp functions. Instead we put them in a special package.
 101   ;;
 102   ;; The common theme of the functions, macros, constants, and so
 103   ;; forth in this package is that they run in the host and affect the
 104   ;; compilation of the target.
 105   (let ((package-name "SB-XC"))
 106     (make-package package-name :use nil :nicknames nil)
 107     (dolist (name '(;; the constants (except for T and NIL which have
 108                     ;; a specially hacked correspondence between
 109                     ;; cross-compilation host Lisp and target Lisp)
 110                     "ARRAY-DIMENSION-LIMIT"
 111                     "ARRAY-RANK-LIMIT"
 112                     "ARRAY-TOTAL-SIZE-LIMIT"
 113                     "BOOLE-1"
 114                     "BOOLE-2"
 115                     "BOOLE-AND"
 116                     "BOOLE-ANDC1"
 117                     "BOOLE-ANDC2"
 118                     "BOOLE-C1"
 119                     "BOOLE-C2"
 120                     "BOOLE-CLR"
 121                     "BOOLE-EQV"
 122                     "BOOLE-IOR"
 123                     "BOOLE-NAND"
 124                     "BOOLE-NOR"
 125                     "BOOLE-ORC1"
 126                     "BOOLE-ORC2"
 127                     "BOOLE-SET"
 128                     "BOOLE-XOR"
 129                     "CALL-ARGUMENTS-LIMIT"
 130                     "CHAR-CODE-LIMIT"
 131                     "DOUBLE-FLOAT-EPSILON"
 132                     "DOUBLE-FLOAT-NEGATIVE-EPSILON"
 133                     "INTERNAL-TIME-UNITS-PER-SECOND"
 134                     "LAMBDA-LIST-KEYWORDS"
 135                     "LAMBDA-PARAMETERS-LIMIT"
 136                     "LEAST-NEGATIVE-DOUBLE-FLOAT"
 137                     "LEAST-NEGATIVE-LONG-FLOAT"
 138                     "LEAST-NEGATIVE-NORMALIZED-DOUBLE-FLOAT"
 139                     "LEAST-NEGATIVE-NORMALIZED-LONG-FLOAT"
 140                     "LEAST-NEGATIVE-NORMALIZED-SHORT-FLOAT"
 141                     "LEAST-NEGATIVE-NORMALIZED-SINGLE-FLOAT"
 142                     "LEAST-NEGATIVE-SHORT-FLOAT"
 143                     "LEAST-NEGATIVE-SINGLE-FLOAT"
 144                     "LEAST-POSITIVE-DOUBLE-FLOAT"
 145                     "LEAST-POSITIVE-LONG-FLOAT"
 146                     "LEAST-POSITIVE-NORMALIZED-DOUBLE-FLOAT"
 147                     "LEAST-POSITIVE-NORMALIZED-LONG-FLOAT"
 148                     "LEAST-POSITIVE-NORMALIZED-SHORT-FLOAT"
 149                     "LEAST-POSITIVE-NORMALIZED-SINGLE-FLOAT"
 150                     "LEAST-POSITIVE-SHORT-FLOAT"
 151                     "LEAST-POSITIVE-SINGLE-FLOAT"
 152                     "LONG-FLOAT-EPSILON"
 153                     "LONG-FLOAT-NEGATIVE-EPSILON"
 154                     "MOST-NEGATIVE-DOUBLE-FLOAT"
 155                     "MOST-NEGATIVE-FIXNUM"
 156                     "MOST-NEGATIVE-LONG-FLOAT"
 157                     "MOST-NEGATIVE-SHORT-FLOAT"
 158                     "MOST-NEGATIVE-SINGLE-FLOAT"
 159                     "MOST-POSITIVE-DOUBLE-FLOAT"
 160                     "MOST-POSITIVE-FIXNUM"
 161                     "MOST-POSITIVE-LONG-FLOAT"
 162                     "MOST-POSITIVE-SHORT-FLOAT"
 163                     "MOST-POSITIVE-SINGLE-FLOAT"
 164                     "MULTIPLE-VALUES-LIMIT"
 165                     "PI"
 166                     "SHORT-FLOAT-EPSILON"
 167                     "SHORT-FLOAT-NEGATIVE-EPSILON"
 168                     "SINGLE-FLOAT-EPSILON"
 169                     "SINGLE-FLOAT-NEGATIVE-EPSILON"
 170
 171                     ;; everything else which needs a separate
 172                     ;; existence in xc and target
 173                     "BOOLE"
 174                     "BUILT-IN-CLASS"
 175                     "BYTE" "BYTE-POSITION" "BYTE-SIZE"
 176                     "CHAR-CODE"
 177                     "CLASS" "CLASS-NAME" "CLASS-OF"
 178                     "CODE-CHAR"
 179                     "COMPILE-FILE"
 180                     "COMPILE-FILE-PATHNAME"
 181                     "*COMPILE-FILE-PATHNAME*"
 182                     "*COMPILE-FILE-TRUENAME*"
 183                     "*COMPILE-PRINT*"
 184                     "*COMPILE-VERBOSE*"
 185                     "COMPILER-MACRO-FUNCTION"
 186                     "CONSTANTP"
 187                     "DEFCONSTANT"
 188                     "DEFINE-MODIFY-MACRO"
 189                     "DEFINE-SETF-EXPANDER"
 190                     "DEFMACRO" "DEFSETF" "DEFSTRUCT" "DEFTYPE"
 191                     "DEPOSIT-FIELD" "DPB"
 192                     "FBOUNDP" "FDEFINITION" "FMAKUNBOUND"
 193                     "FIND-CLASS"
 194                     "GENSYM" "*GENSYM-COUNTER*"
 195                     "GET-SETF-EXPANSION"
 196                     "LDB" "LDB-TEST"
 197                     "LISP-IMPLEMENTATION-TYPE" "LISP-IMPLEMENTATION-VERSION"
 198                     "MACRO-FUNCTION"
 199                     "MACROEXPAND" "MACROEXPAND-1" "*MACROEXPAND-HOOK*"
 200                     "MAKE-LOAD-FORM"
 201                     "MAKE-LOAD-FORM-SAVING-SLOTS"
 202                     "MASK-FIELD"
 203                     "PROCLAIM"
 204                     "SPECIAL-OPERATOR-P"
 205                     "STANDARD-CLASS"
 206                     "STRUCTURE-CLASS"
 207                     "SUBTYPEP"
 208                     "TYPE-OF" "TYPEP"
 209                     "UPGRADED-ARRAY-ELEMENT-TYPE"
 210                     "UPGRADED-COMPLEX-PART-TYPE"
 211                     "WITH-COMPILATION-UNIT"))
 212       (export (intern name package-name) package-name)))
 213   ;; don't watch:
 214   (dolist (package (list-all-packages))
 215     (when (= (mismatch (package-name package) "SB!") 3)
 216       (shadowing-import
 217        (mapcar (lambda (name) (find-symbol name "SB-XC"))
 218                '("BYTE" "BYTE-POSITION" "BYTE-SIZE"
 219                  "DPB" "LDB" "LDB-TEST"
 220                  "DEPOSIT-FIELD" "MASK-FIELD"))
 221        package)))
 222
 223   ;; Build a version of Python to run in the host Common Lisp, to be
 224   ;; used only in cross-compilation.
 225   ;;
 226   ;; Note that files which are marked :ASSEM, to cause them to be
 227   ;; processed with SB!C:ASSEMBLE-FILE when we're running under the
 228   ;; cross-compiler or the target lisp, are still processed here, just
 229   ;; with the ordinary Lisp compiler, and this is intentional, in
 230   ;; order to make the compiler aware of the definitions of assembly
 231   ;; routines.
 232   (if (and (make-host-1-parallelism)
 233            (eq load-or-cload-stem #'host-cload-stem))
 234       (funcall (intern "PARALLEL-MAKE-HOST-1" 'sb-cold)
 235                (make-host-1-parallelism))
 236       (do-stems-and-flags (stem flags)
 237         (unless (find :not-host flags)
 238           (funcall load-or-cload-stem stem flags)
 239           #!+sb-show (warn-when-cl-snapshot-diff *cl-snapshot*))))
 240
 241   ;; If the cross-compilation host is SBCL itself, we can use the
 242   ;; PURIFY extension to freeze everything in place, reducing the
 243   ;; amount of work done on future GCs. In machines with limited
 244   ;; memory, this could help, by reducing the amount of memory which
 245   ;; needs to be juggled in a full GC. And it can hardly hurt, since
 246   ;; (in the ordinary build procedure anyway) essentially everything
 247   ;; which is reachable at this point will remain reachable for the
 248   ;; entire run.
 249   ;;
 250   ;; (Except that purifying actually slows down GENCGC). -- JES, 2006-05-30
 251   #+(and sbcl (not gencgc))
 252   (sb-ext:purify)
 253
 254   (values))
 255
 256 ;; Keep these in order by package, then symbol.
 257 (dolist (sym
 258          (append
 259           ;; CL, EXT, KERNEL
 260           '(allocate-instance
 261             compute-applicable-methods
 262             slot-makunbound
 263             make-load-form-saving-slots
 264             sb!ext:run-program
 265             sb!kernel:profile-deinit)
 266           ;; CLOS implementation
 267           '(sb!mop:class-finalized-p
 268             sb!mop:class-prototype
 269             sb!mop:class-slots
 270             sb!mop:eql-specializer-object
 271             sb!mop:finalize-inheritance
 272             sb!mop:generic-function-name
 273             sb!mop:slot-definition-allocation
 274             sb!mop:slot-definition-name
 275             sb!pcl::%force-cache-flushes
 276             sb!pcl::check-wrapper-validity
 277             sb!pcl::class-has-a-forward-referenced-superclass-p
 278             sb!pcl::class-wrapper
 279             sb!pcl::compute-gf-ftype
 280             sb!pcl::definition-source
 281             sb!pcl:ensure-class-finalized)
 282           ;; CLOS-based packages
 283           '(sb!gray:stream-clear-input
 284             sb!gray:stream-clear-output
 285             sb!gray:stream-file-position
 286             sb!gray:stream-finish-output
 287             sb!gray:stream-force-output
 288             sb!gray:stream-fresh-line
 289             sb!gray:stream-line-column
 290             sb!gray:stream-line-length
 291             sb!gray:stream-listen
 292             sb!gray:stream-peek-char
 293             sb!gray:stream-read-byte
 294             sb!gray:stream-read-char
 295             sb!gray:stream-read-char-no-hang
 296             sb!gray:stream-read-line
 297             sb!gray:stream-read-sequence
 298             sb!gray:stream-terpri
 299             sb!gray:stream-unread-char
 300             sb!gray:stream-write-byte
 301             sb!gray:stream-write-char
 302             sb!gray:stream-write-sequence
 303             sb!gray:stream-write-string
 304             sb!sequence:concatenate
 305             sb!sequence:copy-seq
 306             sb!sequence:count
 307             sb!sequence:count-if
 308             sb!sequence:count-if-not
 309             sb!sequence:delete
 310             sb!sequence:delete-duplicates
 311             sb!sequence:delete-if
 312             sb!sequence:delete-if-not
 313             (setf sb!sequence:elt)
 314             sb!sequence:elt
 315             sb!sequence:emptyp
 316             sb!sequence:fill
 317             sb!sequence:find
 318             sb!sequence:find-if
 319             sb!sequence:find-if-not
 320             (setf sb!sequence:iterator-element)
 321             sb!sequence:iterator-endp
 322             sb!sequence:iterator-step
 323             sb!sequence:length
 324             sb!sequence:make-sequence-iterator
 325             sb!sequence:make-sequence-like
 326             sb!sequence:map
 327             sb!sequence:merge
 328             sb!sequence:mismatch
 329             sb!sequence:nreverse
 330             sb!sequence:nsubstitute
 331             sb!sequence:nsubstitute-if
 332             sb!sequence:nsubstitute-if-not
 333             sb!sequence:position
 334             sb!sequence:position-if
 335             sb!sequence:position-if-not
 336             sb!sequence:reduce
 337             sb!sequence:remove
 338             sb!sequence:remove-duplicates
 339             sb!sequence:remove-if
 340             sb!sequence:remove-if-not
 341             sb!sequence:replace
 342             sb!sequence:reverse
 343             sb!sequence:search
 344             sb!sequence:sort
 345             sb!sequence:stable-sort
 346             sb!sequence:subseq
 347             sb!sequence:substitute
 348             sb!sequence:substitute-if
 349             sb!sequence:substitute-if-not)
 350           ;; Fast interpreter
 351           #!+sb-fasteval
 352           '(sb!interpreter:%fun-type
 353             sb!interpreter:env-policy
 354             sb!interpreter:eval-in-environment
 355             sb!interpreter:find-lexical-fun
 356             sb!interpreter:find-lexical-var
 357             sb!interpreter::flush-everything
 358             sb!interpreter::fun-lexically-notinline-p
 359             sb!interpreter:lexenv-from-env
 360             sb!interpreter::lexically-unlocked-symbol-p
 361             sb!interpreter:list-locals
 362             sb!interpreter:prepare-for-compile
 363             sb!interpreter::reconstruct-syntactic-closure-env)
 364           ;; Other
 365           '(sb!debug::find-interrupted-name-and-frame
 366             sb!impl::encapsulate-generic-function
 367             sb!impl::encapsulated-generic-function-p
 368             sb!impl::get-processes-status-changes
 369             sb!impl::step-form
 370             sb!impl::step-values
 371             sb!impl::unencapsulate-generic-function)))
 372   (setf (gethash sym *undefined-fun-whitelist*) t))