9a5293129d
* textmodes/texnfo-upd.el (texinfo-multi-file-included-list): * textmodes/tex-mode.el (tex-set-buffer-directory): * textmodes/spell.el (spell-region, spell-string): * textmodes/reftex.el (reftex-erase-buffer): (reftex-get-file-buffer-force, reftex-kill-temporary-buffers): * textmodes/reftex-toc.el (reftex-toc-promote-action): * textmodes/reftex-sel.el (reftex-get-offset, reftex-insert-docstruct) (reftex-select-item): * textmodes/reftex-ref.el (reftex-label-info-update) (reftex-offer-label-menu): * textmodes/reftex-index.el (reftex-index-change-entry) (reftex-index-phrases-info): * textmodes/reftex-global.el (reftex-create-tags-file) (reftex-save-all-document-buffers, reftex-ensure-write-access): * textmodes/reftex-dcr.el (reftex-echo-ref, reftex-echo-cite) (reftex-view-crossref-from-bibtex): * textmodes/reftex-cite.el (reftex-bibtex-selection-callback) (reftex-extract-bib-entries-from-thebibliography) (reftex-all-used-citation-keys, reftex-create-bibtex-file): * textmodes/refbib.el (r2b-capitalize-title): (r2b-convert-buffer, r2b-help): * textmodes/page-ext.el (pages-directory) (pages-directory-goto-with-mouse): * textmodes/bibtex.el (bibtex-validate-globally): * textmodes/bib-mode.el (bib-capitalize-title): * textmodes/artist.el (artist-clear-buffer, artist-system): * progmodes/xscheme.el (global-set-scheme-interaction-buffer): (local-set-scheme-interaction-buffer, xscheme-process-filter) (verify-xscheme-buffer, xscheme-enter-interaction-mode) (xscheme-enter-debugger-mode, xscheme-debugger-mode-p) (xscheme-send-control-g-interrupt, xscheme-start-process) (xscheme-process-sentinel, xscheme-cd): * progmodes/verilog-mode.el (verilog-read-always-signals) (verilog-set-define, verilog-getopt-file) (verilog-module-inside-filename-p): * progmodes/sh-script.el: * progmodes/python.el (python-pdbtrack-get-source-buffer) (python-pdbtrack-grub-for-buffer, python-execute-file): * progmodes/octave-inf.el (inferior-octave): * progmodes/idlwave.el (idlwave-scan-user-lib-files) (idlwave-shell-compile-helper-routines, idlwave-set-local) (idlwave-display-completion-list-xemacs, idlwave-list-abbrevs) (idlwave-display-completion-list-emacs, idlwave-list-load-path-shadows) (idlwave-completion-fontify-classes, idlwave-display-calling-sequence): * progmodes/idlw-shell.el (idlwave-shell-examine-display-clear) (idlwave-shell-filter, idlwave-shell-examine-highlight) (idlwave-shell-sentinel, idlwave-shell-filter-directory) (idlwave-shell-display-line, idlwave-shell-set-bp-in-module) (idlwave-shell-examine-display, idlwave-shell-run-region) (idlwave-shell-filter-bp, idlwave-shell-save-and-action) (idlwave-shell-sources-filter, idlwave-shell-goto-next-error): * progmodes/idlw-help.el (idlwave-help-get-special-help) (idlwave-help-get-help-buffer): * progmodes/gud.el (gud-basic-call, gud-find-class) (gud-tooltip-activate-mouse-motions-if-enabled): * progmodes/gdb-mi.el (gdb-mouse-toggle-breakpoint-fringe): * progmodes/ebrowse.el (ebrowse-member-table, ebrowse-save-tree-as) (ebrowse-view-exit-fn, ebrowse-tags-list-members-in-file) (ebrowse-tags-next-file): * progmodes/ebnf2ps.el (ebnf-generate-eps, ebnf-generate-eps) (ebnf-eps-production-list, ebnf-begin-file, ebnf-log) (ebnf-eps-finish-and-write): * progmodes/cpp.el (cpp-edit-save): * progmodes/cperl-mode.el (cperl-pod-to-manpage): * progmodes/cc-defs.el (c-emacs-features): * progmodes/antlr-mode.el (antlr-invalidate-context-cache) (antlr-directory-dependencies): * progmodes/ada-xref.el (ada-gnat-parse-gpr, ada-get-ali-file-name) (ada-run-application, ada-find-in-src-path, ada-goto-parent) (ada-find-any-references, ada-make-filename-from-adaname) (ada-make-body-gnatstub): * obsolete/rnews.el (news-list-news-groups): * obsolete/resume.el (resume-suspend-hook,resume-write-buffer-to-file): * obsolete/iso-acc.el (iso-acc-minibuf-setup): * net/rcirc.el (rcirc-debug): * net/newst-treeview.el (newsticker--treeview-list-add-item) (newsticker--treeview-list-clear, newsticker-treeview-browse-url) (newsticker--treeview-list-update-faces, newsticker-treeview-save) (newsticker--treeview-item-show-text, newsticker--treeview-item-show) (newsticker--treeview-tree-update-tag,newsticker--treeview-buffer-init) (newsticker-treeview-show-item, newsticker--treeview-unfold-node) (newsticker--treeview-list-clear-highlight) (newsticker--treeview-list-update-highlight) (newsticker--treeview-list-highlight-start) (newsticker--treeview-tree-update-highlight) (newsticker--treeview-get-selected-item) (newsticker-treeview-mark-list-items-old) (newsticker--treeview-set-current-node): * net/newst-plainview.el (newsticker--buffer-set-uptodate): * net/newst-backend.el (newsticker--get-news-by-funcall) (newsticker--get-news-by-wget, newsticker--image-get) (newsticker--image-sentinel): * net/mairix.el (mairix-rmail-fetch-field, mairix-gnus-fetch-field): * net/eudcb-ph.el (eudc-ph-do-request, eudc-ph-open-session): (eudc-ph-close-session): * net/eudc.el (eudc-save-options): * language/thai-word.el (thai-update-word-table): * language/japan-util.el (japanese-string-conversion): * international/titdic-cnv.el (tsang-quick-converter) (ziranma-converter, ctlau-converter): * international/mule-cmds.el (describe-language-environment): * international/ja-dic-cnv.el (skkdic-convert-okuri-ari) (skkdic-convert-postfix, skkdic-convert-prefix): (skkdic-convert-okuri-nasi, skkdic-convert): * emacs-lisp/re-builder.el (reb-update-overlays): * emacs-lisp/pp.el (pp-to-string, pp-display-expression): * emacs-lisp/gulp.el (gulp-send-requests): * emacs-lisp/find-gc.el (trace-call-tree): * emacs-lisp/eieio-opt.el (eieio-browse, eieio-describe-class) (eieio-describe-generic): * emacs-lisp/eieio-base.el (eieio-persistent-read): * emacs-lisp/edebug.el (edebug-outside-excursion): * emacs-lisp/debug.el (debugger-make-xrefs): * emacs-lisp/cust-print.el (custom-prin1-to-string): * emacs-lisp/chart.el (chart-new-buffer): * emacs-lisp/authors.el (authors-scan-el, authors-scan-change-log): Use with-current-buffer. * textmodes/artist.el (artist-system): Don't call copy-sequence on a fresh string. * progmodes/idlw-shell.el (easymenu setup): Use dolist.
163 lines
5.4 KiB
EmacsLisp
163 lines
5.4 KiB
EmacsLisp
;;; find-gc.el --- detect functions that call the garbage collector
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;; Copyright (C) 1992, 2001, 2002, 2003, 2004, 2005,
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;; 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
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;; Maintainer: FSF
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; Produce in find-gc-unsafe-list the set of all functions that may invoke GC.
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;; This expects the Emacs sources to live in find-gc-source-directory.
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;; It creates a temporary working directory /tmp/esrc.
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;;; Code:
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(defvar find-gc-unsafe-list nil
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"The list of unsafe functions is placed here by `find-gc-unsafe'.")
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(defvar find-gc-source-directory)
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(defvar find-gc-subrs-callers nil
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"Alist of users of subrs, from GC testing.
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Each entry has the form (FUNCTION . FUNCTIONS-THAT-CALL-IT).")
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(defvar find-gc-subrs-called nil
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"Alist of subrs called, in GC testing.
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Each entry has the form (FUNCTION . FUNCTIONS-IT-CALLS).")
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;;; Functions on this list are safe, even if they appear to be able
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;;; to call the target.
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(defvar find-gc-noreturn-list '(Fsignal Fthrow wrong_type_argument))
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;;; This was originally generated directory-files, but there were
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;;; too many files there that were not actually compiled. The
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;;; list below was created for a HP-UX 7.0 system.
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(defvar find-gc-source-files
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'("dispnew.c" "scroll.c" "xdisp.c" "window.c"
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"term.c" "cm.c" "emacs.c" "keyboard.c" "macros.c"
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"keymap.c" "sysdep.c" "buffer.c" "filelock.c"
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"insdel.c" "marker.c" "minibuf.c" "fileio.c"
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"dired.c" "filemode.c" "cmds.c" "casefiddle.c"
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"indent.c" "search.c" "regex.c" "undo.c"
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"alloc.c" "data.c" "doc.c" "editfns.c"
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"callint.c" "eval.c" "fns.c" "print.c" "lread.c"
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"abbrev.c" "syntax.c" "unexec.c"
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"bytecode.c" "process.c" "callproc.c" "doprnt.c"
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"x11term.c" "x11fns.c"))
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(defun find-gc-unsafe ()
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"Return a list of unsafe functions--that is, which can call GC.
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Also store it in `find-gc-unsafe'."
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(trace-call-tree nil)
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(trace-use-tree)
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(find-unsafe-funcs 'Fgarbage_collect)
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(setq find-gc-unsafe-list
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(sort find-gc-unsafe-list
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(function (lambda (x y)
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(string-lessp (car x) (car y))))))
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)
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;;; This does a depth-first search to find all functions that can
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;;; ultimately call the function "target". The result is an a-list
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;;; in find-gc-unsafe-list; the cars are the unsafe functions, and the cdrs
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;;; are (one of) the unsafe functions that these functions directly
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;;; call.
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(defun find-unsafe-funcs (target)
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(setq find-gc-unsafe-list (list (list target)))
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(trace-unsafe target)
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)
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(defun trace-unsafe (func)
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(let ((used (assq func find-gc-subrs-callers)))
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(or used
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(error "No find-gc-subrs-callers for %s" (car find-gc-unsafe-list)))
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(while (setq used (cdr used))
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(or (assq (car used) find-gc-unsafe-list)
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(memq (car used) find-gc-noreturn-list)
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(progn
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(push (cons (car used) func) find-gc-unsafe-list)
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(trace-unsafe (car used))))))
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)
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(defun trace-call-tree (&optional already-setup)
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(message "Setting up directories...")
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(or already-setup
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(progn
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;; Gee, wouldn't a built-in "system" function be handy here.
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(call-process "csh" nil nil nil "-c" "rm -rf /tmp/esrc")
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(call-process "csh" nil nil nil "-c" "mkdir /tmp/esrc")
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(call-process "csh" nil nil nil "-c"
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(format "ln -s %s/*.[ch] /tmp/esrc"
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find-gc-source-directory))))
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(with-current-buffer (get-buffer-create "*Trace Call Tree*")
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(setq find-gc-subrs-called nil)
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(let ((case-fold-search nil)
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(files find-gc-source-files)
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name entry)
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(while files
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(message "Compiling %s..." (car files))
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(call-process "csh" nil nil nil "-c"
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(format "gcc -dr -c /tmp/esrc/%s -o /dev/null"
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(car files)))
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(erase-buffer)
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(insert-file-contents (concat "/tmp/esrc/" (car files) ".rtl"))
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(while (re-search-forward ";; Function \\|(call_insn " nil t)
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(if (= (char-after (- (point) 3)) ?o)
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(progn
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(looking-at "[a-zA-Z0-9_]+")
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(setq name (intern (buffer-substring (match-beginning 0)
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(match-end 0))))
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(message "%s : %s" (car files) name)
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(setq entry (list name)
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find-gc-subrs-called (cons entry find-gc-subrs-called)))
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(if (looking-at ".*\n?.*\"\\([A-Za-z0-9_]+\\)\"")
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(progn
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(setq name (intern (buffer-substring (match-beginning 1)
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(match-end 1))))
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(or (memq name (cdr entry))
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(setcdr entry (cons name (cdr entry))))))))
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(delete-file (concat "/tmp/esrc/" (car files) ".rtl"))
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(setq files (cdr files)))))
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)
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(defun trace-use-tree ()
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(setq find-gc-subrs-callers (mapcar 'list (mapcar 'car find-gc-subrs-called)))
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(let ((ptr find-gc-subrs-called)
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p2 found)
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(while ptr
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(setq p2 (car ptr))
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(while (setq p2 (cdr p2))
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(if (setq found (assq (car p2) find-gc-subrs-callers))
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(setcdr found (cons (car (car ptr)) (cdr found)))))
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(setq ptr (cdr ptr))))
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)
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(provide 'find-gc)
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;; arch-tag: 4a26a538-a008-40d9-a1ef-23bb6dbecef4
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;;; find-gc.el ends here
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