120 lines
4.5 KiB
Diff
120 lines
4.5 KiB
Diff
|
diff --git a/lisp/emacs-lisp/find-gc.el b/lisp/emacs-lisp/find-gc.el
|
||
|
|
index 82b3e94..6bdb09d 100644
|
||
|
|
--- a/lisp/emacs-lisp/find-gc.el
|
||
|
|
+++ b/lisp/emacs-lisp/find-gc.el
|
||
|
|
@@ -23,14 +23,15 @@
|
||
|
|
|
||
|
|
;; Produce in find-gc-unsafe-list the set of all functions that may invoke GC.
|
||
|
|
;; This expects the Emacs sources to live in find-gc-source-directory.
|
||
|
|
-;; It creates a temporary working directory /tmp/esrc.
|
||
|
|
|
||
|
|
;;; Code:
|
||
|
|
|
||
|
|
(defvar find-gc-unsafe-list nil
|
||
|
|
"The list of unsafe functions is placed here by `find-gc-unsafe'.")
|
||
|
|
|
||
|
|
-(defvar find-gc-source-directory)
|
||
|
|
+(defvar find-gc-source-directory
|
||
|
|
+ (file-name-as-directory (expand-file-name "src" source-directory))
|
||
|
|
+ "Directory containing Emacs C sources.")
|
||
|
|
|
||
|
|
(defvar find-gc-subrs-callers nil
|
||
|
|
"Alist of users of subrs, from GC testing.
|
||
|
|
@@ -59,14 +60,14 @@ Each entry has the form (FUNCTION . FUNCTIONS-IT-CALLS).")
|
||
|
|
"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" "unexcoff.c"
|
||
|
|
+ "syntax.c" "unexcoff.c"
|
||
|
|
"bytecode.c" "process.c" "callproc.c" "doprnt.c"
|
||
|
|
- "x11term.c" "x11fns.c"))
|
||
|
|
+ "xterm.c" "x11fns.c"))
|
||
|
|
|
||
|
|
|
||
|
|
(defun find-gc-unsafe ()
|
||
|
|
"Return a list of unsafe functions--that is, which can call GC.
|
||
|
|
-Also store it in `find-gc-unsafe'."
|
||
|
|
+Also store it in `find-gc-unsafe-list'."
|
||
|
|
(trace-call-tree nil)
|
||
|
|
(trace-use-tree)
|
||
|
|
(find-unsafe-funcs 'Fgarbage_collect)
|
||
|
|
@@ -102,47 +103,38 @@ Also store it in `find-gc-unsafe'."
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
-(defun trace-call-tree (&optional already-setup)
|
||
|
|
+(defun trace-call-tree (&optional ignored)
|
||
|
|
(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"
|
||
|
|
- find-gc-source-directory))))
|
||
|
|
- (with-current-buffer (get-buffer-create "*Trace Call Tree*")
|
||
|
|
- (setq find-gc-subrs-called nil)
|
||
|
|
- (let ((case-fold-search nil)
|
||
|
|
- (files find-gc-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)
|
||
|
|
- find-gc-subrs-called (cons entry find-gc-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)))))
|
||
|
|
-)
|
||
|
|
-
|
||
|
|
+ (setq find-gc-subrs-called nil)
|
||
|
|
+ (let ((case-fold-search nil)
|
||
|
|
+ (default-directory find-gc-source-directory)
|
||
|
|
+ (files find-gc-source-files)
|
||
|
|
+ name entry rtlfile)
|
||
|
|
+ (dolist (file files)
|
||
|
|
+ (message "Compiling %s..." file)
|
||
|
|
+ (call-process "gcc" nil nil nil "-I" "." "-I" "../lib"
|
||
|
|
+ "-fdump-rtl-expand" "-o" null-device "-c" file)
|
||
|
|
+ (setq rtlfile
|
||
|
|
+ (file-expand-wildcards (format "%s.*.expand" file) t))
|
||
|
|
+ (if (/= 1 (length rtlfile))
|
||
|
|
+ (message "Error compiling `%s'?" file)
|
||
|
|
+ (with-temp-buffer
|
||
|
|
+ (insert-file-contents (setq rtlfile (car rtlfile)))
|
||
|
|
+ (delete-file rtlfile)
|
||
|
|
+ (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 (match-string 0)))
|
||
|
|
+ (message "%s : %s" (car files) name)
|
||
|
|
+ (setq entry (list name)
|
||
|
|
+ find-gc-subrs-called
|
||
|
|
+ (cons entry find-gc-subrs-called)))
|
||
|
|
+ (if (looking-at ".*\n?.*\"\\([A-Za-z0-9_]+\\)\"")
|
||
|
|
+ (progn
|
||
|
|
+ (setq name (intern (match-string 1)))
|
||
|
|
+ (or (memq name (cdr entry))
|
||
|
|
+ (setcdr entry (cons name (cdr entry)))))))))))))
|
||
|
|
|
||
|
|
(defun trace-use-tree ()
|
||
|
|
(setq find-gc-subrs-callers (mapcar 'list (mapcar 'car find-gc-subrs-called)))
|