1 files changed, 0 insertions, 127 deletions
diff --git a/lisp/find-gc.el b/lisp/find-gc.el
deleted file mode 100644
index 3504d2949d8..00000000000
--- a/lisp/find-gc.el
+++ /dev/null
@@ -1,127 +0,0 @@
-;;;; find-gc.el
-
-
-;;; Produce in unsafe-list the set of all functions that may invoke GC.
-;;; This expects the Emacs sources to live in emacs-source-directory.
-;;; It creates a temporary working directory /tmp/esrc.
-
-(defun find-gc-unsafe ()
-  (trace-call-tree nil)
-  (trace-use-tree)
-  (find-unsafe-funcs 'Fgarbage_collect)
-  (setq unsafe-list (sort unsafe-list
-			  (function (lambda (x y)
-				      (string-lessp (car x) (car y))))))
-)
-
-(setq emacs-source-directory "/usr/gnu/src/dist/src")
-
-
-;;; This does a depth-first search to find all functions that can
-;;; ultimately call the function "target".  The result is an a-list
-;;; in unsafe-list; the cars are the unsafe functions, and the cdrs
-;;; are (one of) the unsafe functions that these functions directly
-;;; call.
-
-(defun find-unsafe-funcs (target)
-  (setq unsafe-list (list (list target)))
-  (trace-unsafe target)
-)
-
-(defun trace-unsafe (func)
-  (let ((used (assq func subrs-used)))
-    (or used
-	(error "No subrs-used for %s" (car unsafe-list)))
-    (while (setq used (cdr used))
-      (or (assq (car used) unsafe-list)
-	  (memq (car used) noreturn-list)
-	  (progn
-	    (setq unsafe-list (cons (cons (car used) func) unsafe-list))
-	    (trace-unsafe (car used))))))
-)
-
-
-;;; Functions on this list are safe, even if they appear to be able
-;;; to call the target.
-
-(setq noreturn-list '( Fsignal Fthrow wrong_type_argument ))
-
-
-;;; This produces an a-list of functions in subrs-called.  The cdr of
-;;; each entry is a list of functions which the function in car calls.
-
-(defun trace-call-tree (&optional already-setup)
-  (message "Setting up directories...")
-  (or already-setup
-      (progn
-	;; Gee, wouldn't a built-in "system" function be handy here.
-	(call-process "csh" nil nil nil "-c" "rm -rf /tmp/esrc")
-	(call-process "csh" nil nil nil "-c" "mkdir /tmp/esrc")
-	(call-process "csh" nil nil nil "-c"
-		      (format "ln -s %s/*.[ch] /tmp/esrc"
-			      emacs-source-directory))))
-  (save-excursion
-    (set-buffer (get-buffer-create "*Trace Call Tree*"))
-    (setq subrs-called nil)
-    (let ((case-fold-search nil)
-	  (files source-files)
-	  name entry)
-      (while files
-	(message "Compiling %s..." (car files))
-	(call-process "csh" nil nil nil "-c"
-		      (format "gcc -dr -c /tmp/esrc/%s -o /dev/null"
-			      (car files)))
-	(erase-buffer)
-	(insert-file-contents (concat "/tmp/esrc/" (car files) ".rtl"))
-	(while (re-search-forward ";; Function \\|(call_insn " nil t)
-	  (if (= (char-after (- (point) 3)) ?o)
-	      (progn
-		(looking-at "[a-zA-Z0-9_]+")
-		(setq name (intern (buffer-substring (match-beginning 0)
-						     (match-end 0))))
-		(message "%s : %s" (car files) name)
-		(setq entry (list name)
-		      subrs-called (cons entry subrs-called)))
-	    (if (looking-at ".*\n?.*\"\\([A-Za-z0-9_]+\\)\"")
-		(progn
-		  (setq name (intern (buffer-substring (match-beginning 1)
-						       (match-end 1))))
-		  (or (memq name (cdr entry))
-		      (setcdr entry (cons name (cdr entry))))))))
-	(delete-file (concat "/tmp/esrc/" (car files) ".rtl"))
-	(setq files (cdr files)))))
-)
-
-
-;;; This was originally generated directory-files, but there were
-;;; too many files there that were not actually compiled.  The
-;;; list below was created for a HP-UX 7.0 system.
-
-(setq source-files '("dispnew.c" "scroll.c" "xdisp.c" "window.c"
-		     "term.c" "cm.c" "emacs.c" "keyboard.c" "macros.c"
-		     "keymap.c" "sysdep.c" "buffer.c" "filelock.c"
-		     "insdel.c" "marker.c" "minibuf.c" "fileio.c"
-		     "dired.c" "filemode.c" "cmds.c" "casefiddle.c"
-		     "indent.c" "search.c" "regex.c" "undo.c"
-		     "alloc.c" "data.c" "doc.c" "editfns.c"
-		     "callint.c" "eval.c" "fns.c" "print.c" "lread.c"
-		     "abbrev.c" "syntax.c" "unexec.c" "mocklisp.c"
-		     "bytecode.c" "process.c" "callproc.c" "doprnt.c"
-		     "x11term.c" "x11fns.c"))
-
-
-;;; This produces an inverted a-list in subrs-used.  The cdr of each
-;;; entry is a list of functions that call the function in car.
-
-(defun trace-use-tree ()
-  (setq subrs-used (mapcar 'list (mapcar 'car subrs-called)))
-  (let ((ptr subrs-called)
-	p2 found)
-    (while ptr
-      (setq p2 (car ptr))
-      (while (setq p2 (cdr p2))
-	(if (setq found (assq (car p2) subrs-used))
-	    (setcdr found (cons (car (car ptr)) (cdr found)))))
-      (setq ptr (cdr ptr))))
-)
-