(in-package "SB!FASL")
\f
+;;;; There looks to be an exciting amount of state being modified
+;;;; here: certainly enough that I (dan, 2003.1.22) don't want to mess
+;;;; around deciding how to thread-safetify it. So we use a Big Lock.
+;;;; Because this code is mutually recursive with the compiler, we use
+;;;; the *big-compiler-lock*
+
;;;; miscellaneous load utilities
;;; Output the current number of semicolons after a fresh-line.
(when (zerop (file-length stream))
(error "attempt to load an empty FASL file:~% ~S" (namestring stream)))
(maybe-announce-load stream verbose)
- (let* ((*fasl-input-stream* stream)
- (*current-fop-table* (or (pop *free-fop-tables*) (make-array 1000)))
- (*current-fop-table-size* (length *current-fop-table*))
- (*fop-stack-pointer-on-entry* *fop-stack-pointer*))
- (unwind-protect
- ;; FIXME: This should probably become
- ;; (LOOP WHILE (LOAD-FASL-GROUP-STREAM))
- ;; but as a LOOP newbie I don't want to do that until I can
- ;; test it.
- (do ((loaded-group (load-fasl-group stream) (load-fasl-group stream)))
- ((not loaded-group)))
- (setq *fop-stack-pointer* *fop-stack-pointer-on-entry*)
- (push *current-fop-table* *free-fop-tables*)
- ;; NIL out the stack and table, so that we don't hold onto garbage.
- ;;
- ;; FIXME: Couldn't we just get rid of the free fop table pool so
- ;; that some of this NILing out would go away?
- (fill *fop-stack* nil :end *fop-stack-pointer-on-entry*)
- (fill *current-fop-table* nil)))
+ (sb!thread:with-recursive-lock (sb!c::*big-compiler-lock*)
+ (let* ((*fasl-input-stream* stream)
+ (*current-fop-table* (or (pop *free-fop-tables*) (make-array 1000)))
+ (*current-fop-table-size* (length *current-fop-table*))
+ (*fop-stack-pointer-on-entry* *fop-stack-pointer*))
+ (unwind-protect
+ (loop while (load-fasl-group stream))
+ (setq *fop-stack-pointer* *fop-stack-pointer-on-entry*)
+ (push *current-fop-table* *free-fop-tables*)
+ ;; NIL out the stack and table, so that we don't hold onto garbage.
+ ;;
+ ;; FIXME: Couldn't we just get rid of the free fop table pool so
+ ;; that some of this NILing out would go away?
+ (fill *fop-stack* nil :end *fop-stack-pointer-on-entry*)
+ (fill *current-fop-table* nil))))
t)
;;; This is used in in target-load and also genesis, using
;;; code for foreign symbol lookup should be here.
(defun find-foreign-symbol-in-table (name table)
(let ((prefixes
- #!+(or linux freebsd) #("" "ldso_stub__")
- #!+openbsd #("")
- #!+sunos #("" "ldso_stub__")))
+ #!+(or osf1 sunos linux freebsd) #("" "ldso_stub__")
+ #!+openbsd #("")))
(declare (notinline some)) ; to suppress bug 117 bogowarning
(some (lambda (prefix)
(gethash (concatenate 'string prefix name)
table
nil))
prefixes)))
-
\f
;;;; stuff for debugging/tuning by collecting statistics on FOPs (?)