Source

xemacs-devel / find-gc.el

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File find-gc.el

 
 ;;; Code:
 
+(defvar unsafe-list nil)
+(defvar subrs-used nil)
+(defvar subrs-called nil)
+
 ;; Set this to point to your XEmacs source directory.
-(setq emacs-source-directory "/net/prosper/opt/xemacs/editor/src")
+(defvar emacs-source-directory "/usr/src/xemacs/xemacs-20/src")
 
-;; Set this to the include directories neeed for compilation.  
-(setq include-directives "-I/net/prosper/opt/xemacs/editor/src -I/usr/dt/include -I/net/prosper/opt/SUNWmotif/include -I/net/prosper/opt/xemacs/editor/import/xpm/include -I/net/prosper/opt/xemacs/editor/import/include -I/usr/demo/SOUND/include -I/usr/openwin/include -I/usr/openwin/include/desktop -I/usr/openwin/include/desktop   -I/net/prosper/opt/xemacs/editor/src/../lwlib  -g -v -DNeedFunctionPrototypes -xildoff -I/usr/dt/include -I/net/prosper/opt/SUNWmotif/include -I/net/prosper/opt/xemacs/editor/import/xpm/include -I/net/prosper/opt/xemacs/editor/import/include -I/usr/demo/SOUND/include -I/usr/demo/SOUND/include")
+;;; Functions on this list are safe, even if they appear to be able
+;;; to call the target.
 
-;; Set this to the source files you want to check.
-(setq source-files
-  '(
-"EmacsFrame.c" "EmacsManager.c" "EmacsShell.c" "abbrev.c" "alloc.c"
-"blocktype.c" "buffer.c" "bytecode.c" "callint.c" "callproc.c" "casefiddle.c"
-"casetab.c" "cm.c" "cmds.c" "data.c" "debug.c" "device-stream.c"
-"device-tty.c" "device-x.c" "device.c" "dired.c" "doc.c" "doprnt.c"
-"dynarr.c""editfns.c" "elhash.c" "emacs.c" "eval.c" "event-Xt.c"
-"event-stream.c" "event-tty.c" "events.c" "extents.c" "faces.c" "fileio.c"
-"filelock.c" "filemode.c" "floatfns.c" "fns.c" "font-lock.c" "frame-tty.c"
-"frame-x.c" "frame.c" "getloadavg.c" "glyphs.c" "gmalloc.c" "hash.c"
-"indent.c" "insdel.c" "intl.c" "keyboard.c" "keymap.c" "lastfile.c" "lread.c"
-"lstream.c" "macros.c" "marker.c" "md5.c" "menubar-x.c" "menubar.c"
-"minibuf.c" "objects-x.c" "objects.c" "opaque.c" "print.c" "process.c"
-"pure.c" "redisplay-output.c" "redisplay-tty.c" "redisplay-x.c" "redisplay.c"
-"regex.c" "scrollbar.c" "search.c" "sound.c" "specifier.c" "sunplay.c"
-"sunpro.c" "symbols.c" "syntax.c" "sysdep.c" "terminfo.c" "toolbar-x.c"
-"toolbar.c" "tooltalk.c" "undo.c" "unexsol2.c" "vm-limit.c" "window.c"
-"xgccache.c" "xselect.c"))
+(defvar noreturn-list '(signal_error error Fthrow wrong_type_argument))
+
+;;; Try to load generated source-files
+(load-library (concat emacs-source-directory "/../lisp/source-files.el"))
+
+(defvar source-files nil
+  "Set this to the source files you want to check.")
 
 ;;;
 
 (defun find-gc-unsafe ()
-  (trace-call-tree nil)
+  (setq subrs-used nil)
+  (trace-call-tree t nil)
   (trace-use-tree)
+  (set-buffer (get-buffer-create "*gc-tmp*"))
+  (erase-buffer)
   (find-unsafe-funcs 'Fgarbage_collect)
-  (setq unsafe-list (sort unsafe-list
-			  (function (lambda (x y)
-				      (string-lessp (car x) (car y))))))
-  (princ (format "%s\n" unsafe-list))
+  (setq unsafe-list (sort unsafe-list 'find-gc-sort-p))
+  (insert (format "%s\n" unsafe-list))
   (setq unsafe-list nil)
-  (find-unsafe-funcs 'Fgarbage_collect_1)
-  (setq unsafe-list (sort unsafe-list
-			  (function (lambda (x y)
-				      (string-lessp (car x) (car y))))))
-  (princ (format "%s\n" unsafe-list)))
+  (find-unsafe-funcs 'garbage_collect_1)
+  (setq unsafe-list (sort unsafe-list 'find-gc-sort-p))
+  (insert (format "%s\n" unsafe-list))
+  (goto-char (point-min))
+  (while (search-forward ") (" nil t)
+    (replace-match ")
+ (" nil t))
+  )
 
+(defun find-gc-sort-p (x y)
+  (string-lessp (car x) (car y)))
 
 ;;; This does a depth-first search to find all functions that can
 ;;; ultimately call the function "target".  The result is an a-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 '( signal_error error 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)
-  (or already-setup
-      (progn
-	(princ (format "Setting up directories...\n"))
-	;; Gee, wouldn't a built-in "system" function be handy here.
-	(call-process "sh" nil nil nil "-c" "rm -rf /tmp/esrc")
-	(call-process "sh" nil nil nil "-c" "mkdir /tmp/esrc")
-	(call-process "sh" nil nil nil "-c"
-		      (format "ln -s %s/*.[ch] /tmp/esrc"
-			      emacs-source-directory))))
+(defun trace-call-tree (&optional make-all delete-after)
   (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
-	(princ (format "Compiling %s...\n" (car files)))
-	(call-process "sh" nil nil nil "-c"
-	     (format "cd /tmp/esrc; gcc -dr -c %s /tmp/esrc/%s -o /dev/null"
-			      include-directives (car files)))
+	  name entry file)
+      ;; Stage one, make rtl files with make
+      (if make-all
+	  (call-process 
+	   "sh" nil nil nil "-c" 
+	   (format "cd %s; make dortl" emacs-source-directory file))
+	(dolist (file source-files)
+	  (princ (format "Compiling %s...\n" file))
+	  (call-process 
+	   "sh" nil nil nil "-c" 
+	   (format "cd %s; make %s.rtl" emacs-source-directory file))))
+      (set-buffer (get-buffer-create "*Trace Call Tree*"))
+      ;; Stage two, process them
+      (dolist (file source-files)
 	(erase-buffer)
-	(insert-file-contents (concat "/tmp/esrc/" (car files) ".rtl"))
+	(insert-file-contents (concat emacs-source-directory "/" file ".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))))
-		(princ (format "%s : %s\n" (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))))))
+          (if (= (char-after (- (point) 3)) ?o)
+              (progn
+                (looking-at "[a-zA-Z0-9_]+")
+                (setq name (intern (buffer-substring (match-beginning 0)
+                                                     (match-end 0))))
+                (princ (format "%s : %s\n" file 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)))))))))
+      (when delete-after
+	(dolist (file source-files)
+	  (delete-file (concat emacs-source-directory "/" file ".rtl"))))
+	    )))
 
 
 ;;; This produces an inverted a-list in subrs-used.  The cdr of each