1 ;;; gdb-ui.el --- User Interface for running GDB
3 ;; Author: Nick Roberts <nickrob@gnu.org>
5 ;; Keywords: unix, tools
7 ;; Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008
8 ;; Free Software Foundation, Inc.
10 ;; This file is part of GNU Emacs.
12 ;; GNU Emacs is free software; you can redistribute it and/or modify
13 ;; it under the terms of the GNU General Public License as published by
14 ;; the Free Software Foundation; either version 3, or (at your option)
17 ;; GNU Emacs is distributed in the hope that it will be useful,
18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 ;; GNU General Public License for more details.
22 ;; You should have received a copy of the GNU General Public License
23 ;; along with GNU Emacs; see the file COPYING. If not, write to the
24 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
25 ;; Boston, MA 02110-1301, USA.
29 ;; This mode acts as a graphical user interface to GDB. You can interact with
30 ;; GDB through the GUD buffer in the usual way, but there are also further
31 ;; buffers which control the execution and describe the state of your program.
32 ;; It separates the input/output of your program from that of GDB, if
33 ;; required, and watches expressions in the speedbar. It also uses features of
34 ;; Emacs 21 such as the fringe/display margin for breakpoints, and the toolbar
35 ;; (see the GDB Graphical Interface section in the Emacs info manual).
37 ;; By default, M-x gdb will start the debugger.
39 ;; This file has evolved from gdba.el that was included with GDB 5.0 and
40 ;; written by Tom Lord and Jim Kingdon. It uses GDB's annotation interface.
41 ;; You don't need to know about annotations to use this mode as a debugger,
42 ;; but if you are interested developing the mode itself, see the Annotations
43 ;; section in the GDB info manual.
45 ;; GDB developers plan to make the annotation interface obsolete. A new
46 ;; interface called GDB/MI (machine interface) has been designed to replace it.
47 ;; Some GDB/MI commands are used in this file through the CLI command
48 ;; 'interpreter mi <mi-command>'. To help with the process of fully migrating
49 ;; Emacs from annotations to GDB/MI, there is an experimental package called
50 ;; gdb-mi in the Emacs Lisp Package Archive ("http://tromey.com/elpa/"). It
51 ;; comprises of modified gud.el and a file called gdb-mi.el which replaces
52 ;; gdb-ui.el. When installed, this overrides the current files and invoking
53 ;; M-x gdb will use GDB/MI directly (starts with "gdb -i=mi"). When deleted
54 ;; ('d' followed by 'x' in Package Menu mode), the files are deleted and old
55 ;; functionality restored. This provides a convenient way to review the
56 ;; current status/contribute to its improvement. For someone who just wants to
57 ;; use GDB, however, the current mode in Emacs 22 is a much better option.
58 ;; There is also a file, also called gdb-mi.el, a version of which is included
59 ;; the GDB distribution. This will probably only work with versions
60 ;; distributed with GDB 6.5 or later. Unlike the version in ELPA it works on
61 ;; top of gdb-ui.el and you can only start it with M-x gdbmi.
63 ;; This mode SHOULD WORK WITH GDB 5.0 or later but you will NEED AT LEAST
64 ;; GDB 6.0 to use watch expressions. It works best with GDB 6.4 or later
65 ;; where watch expressions will update more quickly.
67 ;;; Windows Platforms:
69 ;; If you are using Emacs and GDB on Windows you will need to flush the buffer
70 ;; explicitly in your program if you want timely display of I/O in Emacs.
71 ;; Alternatively you can make the output stream unbuffered, for example, by
75 ;; setvbuf (stdout, (char *) NULL, _IONBF, 0);
78 ;; and compiling with -DUNBUFFERED while debugging.
82 ;; 1) Cannot handle multiple debug sessions.
83 ;; 2) If you wish to call procedures from your program in GDB
84 ;; e.g "call myproc ()", "p mysquare (5)" then use level 2 annotations
85 ;; "gdb --annotate=2 myprog" to keep source buffer/selected frame fixed.
86 ;; 3) After detaching from a process, clicking on the "GO" icon on toolbar
87 ;; (gud-go) sends "continue" to GDB (should be "run").
91 ;; 1) Use MI command -data-read-memory for memory window.
92 ;; 2) Use tree-widget.el instead of the speedbar for watch-expressions?
93 ;; 3) Mark breakpoint locations on scroll-bar of source buffer?
100 (defvar speedbar-initial-expansion-list-name
)
102 (defvar gdb-pc-address nil
"Initialization for Assembler buffer.
103 Set to \"main\" at start if `gdb-show-main' is t.")
104 (defvar gdb-frame-address nil
"Identity of frame for watch expression.")
105 (defvar gdb-previous-frame-address nil
)
106 (defvar gdb-memory-address
"main")
107 (defvar gdb-previous-frame nil
)
108 (defvar gdb-selected-frame nil
)
109 (defvar gdb-frame-number nil
)
110 (defvar gdb-current-language nil
)
111 (defvar gdb-var-list nil
112 "List of variables in watch window.
113 Each element has the form (VARNUM EXPRESSION NUMCHILD TYPE VALUE STATUS FP)
114 where STATUS is nil (`unchanged'), `changed' or `out-of-scope', FP the frame
115 address for root variables.")
116 (defvar gdb-main-file nil
"Source file from which program execution begins.")
117 (defvar gud-old-arrow nil
)
118 (defvar gdb-overlay-arrow-position nil
)
119 (defvar gdb-stack-position nil
)
120 (defvar gdb-server-prefix nil
)
121 (defvar gdb-flush-pending-output nil
)
122 (defvar gdb-location-alist nil
123 "Alist of breakpoint numbers and full filenames. Only used for files that
125 (defvar gdb-active-process nil
126 "GUD tooltips display variable values when t, and macro definitions otherwise.")
127 (defvar gdb-error
"Non-nil when GDB is reporting an error.")
128 (defvar gdb-macro-info nil
129 "Non-nil if GDB knows that the inferior includes preprocessor macro info.")
130 (defvar gdb-buffer-fringe-width nil
)
131 (defvar gdb-signalled nil
)
132 (defvar gdb-source-window nil
)
133 (defvar gdb-inferior-status nil
)
134 (defvar gdb-continuation nil
)
135 (defvar gdb-look-up-stack nil
)
136 (defvar gdb-frame-begin nil
137 "Non-nil when GDB generates frame-begin annotation.")
138 (defvar gdb-printing t
)
139 (defvar gdb-parent-bptno-enabled nil
)
140 (defvar gdb-ready nil
)
141 (defvar gdb-early-user-input nil
)
143 (defvar gdb-buffer-type nil
144 "One of the symbols bound in `gdb-buffer-rules'.")
145 (make-variable-buffer-local 'gdb-buffer-type
)
147 (defvar gdb-input-queue
()
148 "A list of gdb command objects.")
150 (defvar gdb-prompting nil
151 "True when gdb is idle with no pending input.")
153 (defvar gdb-output-sink nil
154 "The disposition of the output of the current gdb command.
155 Possible values are these symbols:
157 `user' -- gdb output should be copied to the GUD buffer
160 `inferior' -- gdb output should be copied to the inferior-io buffer.
162 `pre-emacs' -- output should be ignored util the post-prompt
163 annotation is received. Then the output-sink
165 `emacs' -- output should be collected in the partial-output-buffer
166 for subsequent processing by a command. This is the
167 disposition of output generated by commands that
168 gdb mode sends to gdb on its own behalf.
169 `post-emacs' -- ignore output until the prompt annotation is
170 received, then go to USER disposition.
172 gdba (gdb-ui.el) uses all five values, gdbmi (gdb-mi.el) only two
173 \(`user' and `emacs').")
175 (defvar gdb-current-item nil
176 "The most recent command item sent to gdb.")
178 (defvar gdb-pending-triggers
'()
179 "A list of trigger functions that have run later than their output handlers.")
181 (defvar gdb-first-post-prompt nil
)
182 (defvar gdb-version nil
)
183 (defvar gdb-locals-font-lock-keywords nil
)
184 (defvar gdb-source-file-list nil
185 "List of source files for the current executable.")
186 (defconst gdb-error-regexp
"\\^error,msg=\"\\(.+\\)\"")
188 (defvar gdb-locals-font-lock-keywords-1
190 ;; var = (struct struct_tag) value
191 ( "\\(^\\(\\sw\\|[_.]\\)+\\) += +(\\(struct\\) \\(\\(\\sw\\|[_.]\\)+\\)"
192 (1 font-lock-variable-name-face
)
193 (3 font-lock-keyword-face
)
194 (4 font-lock-type-face
))
195 ;; var = (type) value
196 ( "\\(^\\(\\sw\\|[_.]\\)+\\) += +(\\(\\(\\sw\\|[_.]\\)+\\)"
197 (1 font-lock-variable-name-face
)
198 (3 font-lock-type-face
))
200 ( "\\(^\\(\\sw\\|[_.]\\)+\\) += +[^(]"
201 (1 font-lock-variable-name-face
))
203 "Font lock keywords used in `gdb-local-mode'.")
205 (defvar gdb-locals-font-lock-keywords-2
208 ( "\\(^\\(\\sw\\|[_.]\\)+\\)\t+\\(\\(\\sw\\|[_.]\\)+\\)"
209 (1 font-lock-variable-name-face
)
210 (3 font-lock-type-face
))
212 "Font lock keywords used in `gdb-local-mode'.")
214 ;; Variables for GDB 6.4+
215 (defvar gdb-register-names nil
"List of register names.")
216 (defvar gdb-changed-registers nil
217 "List of changed register numbers (strings).")
220 (defun gdb (command-line)
221 "Run gdb on program FILE in buffer *gud-FILE*.
222 The directory containing FILE becomes the initial working
223 directory and source-file directory for your debugger.
225 If `gdb-many-windows' is nil (the default value) then gdb just
226 pops up the GUD buffer unless `gdb-show-main' is t. In this case
227 it starts with two windows: one displaying the GUD buffer and the
228 other with the source file with the main routine of the inferior.
230 If `gdb-many-windows' is t, regardless of the value of
231 `gdb-show-main', the layout below will appear unless
232 `gdb-use-separate-io-buffer' is nil when the source buffer
233 occupies the full width of the frame. Keybindings are shown in
236 Watch expressions appear in the speedbar/slowbar.
238 The following commands help control operation :
240 `gdb-many-windows' - Toggle the number of windows gdb uses.
241 `gdb-restore-windows' - To restore the window layout.
243 See Info node `(emacs)GDB Graphical Interface' for a more
244 detailed description of this mode.
247 +----------------------------------------------------------------------+
249 +-----------------------------------+----------------------------------+
250 | GUD buffer (I/O of GDB) | Locals buffer |
254 +-----------------------------------+----------------------------------+
255 | Source buffer | I/O buffer (of debugged program) |
263 +-----------------------------------+----------------------------------+
264 | Stack buffer | Breakpoints buffer |
265 | RET gdb-frames-select | SPC gdb-toggle-breakpoint |
266 | | RET gdb-goto-breakpoint |
267 | | D gdb-delete-breakpoint |
268 +-----------------------------------+----------------------------------+
270 To run GDB in text command mode, replace the GDB \"--annotate=3\"
271 option with \"--fullname\" either in the minibuffer for the
272 current Emacs session, or the custom variable
273 `gud-gdb-command-name' for all future sessions. You need to use
274 text command mode to debug multiple programs within one Emacs
276 (interactive (list (gud-query-cmdline 'gdb
)))
278 (when (and gud-comint-buffer
279 (buffer-name gud-comint-buffer
)
280 (get-buffer-process gud-comint-buffer
)
281 (with-current-buffer gud-comint-buffer
(eq gud-minor-mode
'gdba
)))
282 (gdb-restore-windows)
284 "Multiple debugging requires restarting in text command mode"))
286 (gud-common-init command-line nil
'gud-gdba-marker-filter
)
287 (set (make-local-variable 'gud-minor-mode
) 'gdba
)
288 (setq comint-input-sender
'gdb-send
)
290 (gud-def gud-break
"break %f:%l" "\C-b" "Set breakpoint at current line.")
291 (gud-def gud-tbreak
"tbreak %f:%l" "\C-t"
292 "Set temporary breakpoint at current line.")
293 (gud-def gud-remove
"clear %f:%l" "\C-d" "Remove breakpoint at current line.")
294 (gud-def gud-step
"step %p" "\C-s" "Step one source line with display.")
295 (gud-def gud-stepi
"stepi %p" "\C-i" "Step one instruction with display.")
296 (gud-def gud-next
"next %p" "\C-n" "Step one line (skip functions).")
297 (gud-def gud-nexti
"nexti %p" nil
"Step one instruction (skip functions).")
298 (gud-def gud-cont
"cont" "\C-r" "Continue with display.")
299 (gud-def gud-finish
"finish" "\C-f" "Finish executing current function.")
301 (progn (gud-call "tbreak %f:%l") (gud-call "jump %f:%l"))
302 "\C-j" "Set execution address to current line.")
304 (gud-def gud-up
"up %p" "<" "Up N stack frames (numeric arg).")
305 (gud-def gud-down
"down %p" ">" "Down N stack frames (numeric arg).")
306 (gud-def gud-print
"print %e" "\C-p" "Evaluate C expression at point.")
307 (gud-def gud-pstar
"print* %e" nil
308 "Evaluate C dereferenced pointer expression at point.")
310 ;; For debugging Emacs only.
311 (gud-def gud-pv
"pv1 %e" "\C-v" "Print the value of the lisp variable.")
313 (gud-def gud-until
"until %l" "\C-u" "Continue to current line.")
314 (gud-def gud-run
"run" nil
"Run the program.")
316 (local-set-key "\C-i" 'gud-gdb-complete-command
)
317 (setq comint-prompt-regexp
"^(.*gdb[+]?) *")
318 (setq paragraph-start comint-prompt-regexp
)
319 (setq gdb-output-sink
'user
)
320 (setq gdb-first-prompt t
)
321 (setq gud-running nil
)
323 (setq gdb-flush-pending-output nil
)
324 (setq gdb-early-user-input nil
)
325 (setq gud-filter-pending-text nil
)
326 (run-hooks 'gdb-mode-hook
))
328 ;; Keep as an alias for compatibility with Emacs 22.1.
330 (defalias 'gdba
'gdb
)
332 (defcustom gdb-debug-log-max
128
333 "Maximum size of `gdb-debug-log'. If nil, size is unlimited."
335 :type
'(choice (integer :tag
"Number of elements")
336 (const :tag
"Unlimited" nil
))
339 (defvar gdb-debug-log nil
340 "List of commands sent to and replies received from GDB.
341 Most recent commands are listed first. This list stores only the last
342 `gdb-debug-log-max' values. This variable is used to debug GDB-UI.")
345 (defcustom gdb-enable-debug nil
346 "Non-nil means record the process input and output in `gdb-debug-log'."
351 (defcustom gdb-cpp-define-alist-program
"gcc -E -dM -"
352 "Shell command for generating a list of defined macros in a source file.
353 This list is used to display the #define directive associated
354 with an identifier as a tooltip. It works in a debug session with
355 GDB, when `gud-tooltip-mode' is t.
357 Set `gdb-cpp-define-alist-flags' for any include paths or
363 (defcustom gdb-cpp-define-alist-flags
""
364 "Preprocessor flags for `gdb-cpp-define-alist-program'."
369 (defcustom gdb-show-main nil
370 "Non-nil means display source file containing the main routine at startup.
371 Also display the main routine in the disassembly buffer if present."
376 (defcustom gdb-many-windows nil
377 "If nil, just pop up the GUD buffer unless `gdb-show-main' is t.
378 In this case start with two windows: one displaying the GUD
379 buffer and the other with the source file with the main routine
380 of the debugged program. Non-nil means display the layout shown
386 (defcustom gdb-use-separate-io-buffer nil
387 "Non-nil means display output from the debugged program in a separate buffer."
392 (defun gdb-force-mode-line-update (status)
393 (let ((buffer gud-comint-buffer
))
394 (if (and buffer
(buffer-name buffer
))
395 (with-current-buffer buffer
396 (setq mode-line-process
398 (process-status (get-buffer-process buffer
)) status
))
399 ;; Force mode line redisplay soon.
400 (force-mode-line-update)))))
402 (defun gdb-many-windows (arg)
403 "Toggle the number of windows in the basic arrangement.
404 With prefix argument ARG, display additional buffers if ARG is positive,
405 otherwise use a single window."
407 (setq gdb-many-windows
409 (not gdb-many-windows
)
410 (> (prefix-numeric-value arg
) 0)))
411 (message (format "Display of other windows %sabled"
412 (if gdb-many-windows
"en" "dis")))
413 (if (and gud-comint-buffer
414 (buffer-name gud-comint-buffer
))
416 (gdb-restore-windows)
419 (defun gdb-use-separate-io-buffer (arg)
420 "Toggle separate IO for debugged program.
421 With prefix argument ARG, use separate IO if ARG is positive,
424 (setq gdb-use-separate-io-buffer
426 (not gdb-use-separate-io-buffer
)
427 (> (prefix-numeric-value arg
) 0)))
428 (message (format "Separate IO %sabled"
429 (if gdb-use-separate-io-buffer
"en" "dis")))
430 (if (and gud-comint-buffer
431 (buffer-name gud-comint-buffer
))
433 (if gdb-use-separate-io-buffer
434 (if gdb-many-windows
(gdb-restore-windows))
435 (kill-buffer (gdb-inferior-io-name)))
438 (defvar gdb-define-alist nil
"Alist of #define directives for GUD tooltips.")
440 (defun gdb-create-define-alist ()
441 "Create an alist of #define directives for GUD tooltips."
442 (let* ((file (buffer-file-name))
444 (with-output-to-string
445 (with-current-buffer standard-output
446 (and file
(file-exists-p file
)
447 (call-process shell-file-name file
448 (list t nil
) nil
"-c"
449 (concat gdb-cpp-define-alist-program
" "
450 gdb-cpp-define-alist-flags
))))))
451 (define-list (split-string output
"\n" t
)) (name))
452 (setq gdb-define-alist nil
)
453 (dolist (define define-list
)
454 (setq name
(nth 1 (split-string define
"[( ]")))
455 (push (cons name define
) gdb-define-alist
))))
457 (defun gdb-tooltip-print (expr)
459 (with-current-buffer (gdb-get-buffer 'gdb-partial-output-buffer
)
460 (goto-char (point-min))
462 (if (search-forward "=" nil t
)
463 (concat expr
(buffer-substring (- (point) 2) (point-max)))
465 ;; remove newline for gud-tooltip-echo-area
466 (substring string
0 (- (length string
) 1))))
467 (or gud-tooltip-echo-area tooltip-use-echo-area
)))
469 ;; If expr is a macro for a function don't print because of possible dangerous
470 ;; side-effects. Also printing a function within a tooltip generates an
471 ;; unexpected starting annotation (phase error).
472 (defun gdb-tooltip-print-1 (expr)
473 (with-current-buffer (gdb-get-buffer 'gdb-partial-output-buffer
)
474 (goto-char (point-min))
475 (if (search-forward "expands to: " nil t
)
476 (unless (looking-at "\\S-+.*(.*).*")
478 (list (concat gdb-server-prefix
"print " expr
"\n")
479 `(lambda () (gdb-tooltip-print ,expr
))))))))
481 (defconst gdb-source-file-regexp
"\\(.+?\\), \\|\\([^, \n].*$\\)")
483 (defun gdb-set-gud-minor-mode-existing-buffers ()
484 "Create list of source files for current GDB session."
485 (goto-char (point-min))
486 (when (search-forward "read in on demand:" nil t
)
487 (while (re-search-forward gdb-source-file-regexp nil t
)
488 (push (file-name-nondirectory (or (match-string 1) (match-string 2)))
489 gdb-source-file-list
))
490 (dolist (buffer (buffer-list))
491 (with-current-buffer buffer
492 (when (and buffer-file-name
493 (member (file-name-nondirectory buffer-file-name
)
494 gdb-source-file-list
))
495 (set (make-local-variable 'gud-minor-mode
) 'gdba
)
496 (set (make-local-variable 'tool-bar-map
) gud-tool-bar-map
)
497 (when gud-tooltip-mode
498 (make-local-variable 'gdb-define-alist
)
499 (gdb-create-define-alist)
500 (add-hook 'after-save-hook
'gdb-create-define-alist nil t
))))))
501 (gdb-force-mode-line-update
502 (propertize "ready" 'face font-lock-variable-name-face
)))
504 (defun gdb-find-watch-expression ()
505 (let* ((var (nth (- (line-number-at-pos (point)) 2) gdb-var-list
))
506 (varnum (car var
)) expr array
)
507 (string-match "\\(var[0-9]+\\)\\.\\(.*\\)" varnum
)
508 (let ((var1 (assoc (match-string 1 varnum
) gdb-var-list
)) var2 varnumlet
509 (component-list (split-string (match-string 2 varnum
) "\\." t
)))
510 (setq expr
(nth 1 var1
))
511 (setq varnumlet
(car var1
))
512 (dolist (component component-list
)
513 (setq var2
(assoc varnumlet gdb-var-list
))
514 (setq expr
(concat expr
515 (if (string-match ".*\\[[0-9]+\\]$" (nth 3 var2
))
516 (concat "[" component
"]")
517 (concat "." component
))))
518 (setq varnumlet
(concat varnumlet
"." component
)))
522 (gud-def gud-break
(if (not (string-match "Machine" mode-name
))
523 (gud-call "break %f:%l" arg
)
527 (gud-call "break *%a" arg
)))
528 "\C-b" "Set breakpoint at current line or address.")
530 (gud-def gud-remove
(if (not (string-match "Machine" mode-name
))
531 (gud-call "clear %f:%l" arg
)
535 (gud-call "clear *%a" arg
)))
536 "\C-d" "Remove breakpoint at current line or address.")
538 (gud-def gud-until
(if (not (string-match "Machine" mode-name
))
539 (gud-call "until %f:%l" arg
)
543 (gud-call "until *%a" arg
)))
544 "\C-u" "Continue to current line or address.")
546 (gud-def gud-go
(gud-call (if gdb-active-process
"continue" "run") arg
)
547 nil
"Start or continue execution.")
549 ;; For debugging Emacs only.
553 "pp1 " (if (eq (buffer-local-value
554 'major-mode
(window-buffer)) 'speedbar-mode
)
555 (gdb-find-watch-expression) "%e")) arg
)
556 nil
"Print the Emacs s-expression.")
558 (define-key gud-minor-mode-map
[left-margin mouse-1
]
559 'gdb-mouse-set-clear-breakpoint
)
560 (define-key gud-minor-mode-map
[left-fringe mouse-1
]
561 'gdb-mouse-set-clear-breakpoint
)
562 (define-key gud-minor-mode-map
[left-margin C-mouse-1
]
563 'gdb-mouse-toggle-breakpoint-margin
)
564 (define-key gud-minor-mode-map
[left-fringe C-mouse-1
]
565 'gdb-mouse-toggle-breakpoint-fringe
)
567 (define-key gud-minor-mode-map
[left-margin drag-mouse-1
]
569 (define-key gud-minor-mode-map
[left-fringe drag-mouse-1
]
571 (define-key gud-minor-mode-map
[left-margin mouse-3
]
573 (define-key gud-minor-mode-map
[left-fringe mouse-3
]
576 (define-key gud-minor-mode-map
[left-margin C-drag-mouse-1
]
578 (define-key gud-minor-mode-map
[left-fringe C-drag-mouse-1
]
580 (define-key gud-minor-mode-map
[left-fringe C-mouse-3
]
582 (define-key gud-minor-mode-map
[left-margin C-mouse-3
]
586 (setq gdb-pc-address
(if gdb-show-main
"main" nil
))
587 (setq gdb-previous-frame-address nil
588 gdb-memory-address
"main"
589 gdb-previous-frame nil
590 gdb-selected-frame nil
591 gdb-current-language nil
595 gdb-first-post-prompt t
599 gdb-pending-triggers nil
600 gdb-output-sink
'user
601 gdb-server-prefix
"server "
602 gdb-location-alist nil
603 gdb-source-file-list nil
606 gdb-buffer-fringe-width
(car (window-fringes))
609 gdb-source-window nil
610 gdb-inferior-status nil
612 gdb-look-up-stack nil
617 (setq gdb-buffer-type
'gdba
)
619 (if gdb-use-separate-io-buffer
(gdb-clear-inferior-io))
621 ;; Hack to see test for GDB 6.4+ (-stack-info-frame was implemented in 6.4)
622 (gdb-enqueue-input (list "server interpreter mi -stack-info-frame\n"
626 (if (eq window-system
'w32
)
627 (gdb-enqueue-input (list "set new-console off\n" 'ignore
)))
628 (gdb-enqueue-input (list "set height 0\n" 'ignore
))
629 (gdb-enqueue-input (list "set width 0\n" 'ignore
))
631 (if (string-equal gdb-version
"pre-6.4")
633 (gdb-enqueue-input (list (concat gdb-server-prefix
"info sources\n")
634 'gdb-set-gud-minor-mode-existing-buffers
))
635 (setq gdb-locals-font-lock-keywords gdb-locals-font-lock-keywords-1
))
637 (list "server interpreter mi -data-list-register-names\n"
638 'gdb-get-register-names
))
639 ; Needs GDB 6.2 onwards.
641 (list "server interpreter mi \"-file-list-exec-source-files\"\n"
642 'gdb-set-gud-minor-mode-existing-buffers-1
))
643 (setq gdb-locals-font-lock-keywords gdb-locals-font-lock-keywords-2
))
645 ;; Find source file and compilation directory here.
646 ;; Works for C, C++, Fortran and Ada but not Java (GDB 6.4)
647 (gdb-enqueue-input (list "server list\n" 'ignore
))
648 (gdb-enqueue-input (list "server info source\n" 'gdb-source-info
))
650 (run-hooks 'gdb-mode-hook
))
652 (defun gdb-get-version ()
653 (goto-char (point-min))
654 (if (re-search-forward "Undefined\\( mi\\)* command:" nil t
)
655 (setq gdb-version
"pre-6.4")
656 (setq gdb-version
"6.4+"))
659 (defmacro gdb-if-arrow
(arrow-position &rest body
)
661 (let ((buffer (marker-buffer ,arrow-position
)) (line))
662 (if (equal buffer
(window-buffer (posn-window end
)))
663 (with-current-buffer buffer
664 (when (or (equal start end
)
665 (equal (posn-point start
)
666 (marker-position ,arrow-position
)))
669 (defun gdb-mouse-until (event)
670 "Continue running until a source line past the current line.
671 The destination source line can be selected either by clicking
672 with mouse-3 on the fringe/margin or dragging the arrow
673 with mouse-1 (default bindings)."
675 (let ((start (event-start event
))
676 (end (event-end event
)))
677 (gdb-if-arrow gud-overlay-arrow-position
678 (setq line
(line-number-at-pos (posn-point end
)))
679 (gud-call (concat "until " (number-to-string line
))))
680 (gdb-if-arrow gdb-overlay-arrow-position
682 (goto-line (line-number-at-pos (posn-point end
)))
684 (gud-call (concat "until *%a"))))))
686 (defun gdb-mouse-jump (event)
687 "Set execution address/line.
688 The destination source line can be selected either by clicking with C-mouse-3
689 on the fringe/margin or dragging the arrow with C-mouse-1 (default bindings).
690 Unlike `gdb-mouse-until' the destination address can be before the current
691 line, and no execution takes place."
693 (let ((start (event-start event
))
694 (end (event-end event
)))
695 (gdb-if-arrow gud-overlay-arrow-position
696 (setq line
(line-number-at-pos (posn-point end
)))
698 (gud-call (concat "tbreak " (number-to-string line
)))
699 (gud-call (concat "jump " (number-to-string line
)))))
700 (gdb-if-arrow gdb-overlay-arrow-position
702 (goto-line (line-number-at-pos (posn-point end
)))
705 (gud-call (concat "tbreak *%a"))
706 (gud-call (concat "jump *%a")))))))
708 (defcustom gdb-speedbar-auto-raise nil
709 "If non-nil raise speedbar every time display of watch expressions is\
715 (defun gdb-speedbar-auto-raise (arg)
716 "Toggle automatic raising of the speedbar for watch expressions.
717 With prefix argument ARG, automatically raise speedbar if ARG is
718 positive, otherwise don't automatically raise it."
720 (setq gdb-speedbar-auto-raise
722 (not gdb-speedbar-auto-raise
)
723 (> (prefix-numeric-value arg
) 0)))
724 (message (format "Auto raising %sabled"
725 (if gdb-speedbar-auto-raise
"en" "dis"))))
727 (defcustom gdb-use-colon-colon-notation nil
728 "If non-nil use FUN::VAR format to display variables in the speedbar."
733 (define-key gud-minor-mode-map
"\C-c\C-w" 'gud-watch
)
734 (define-key global-map
(concat gud-key-prefix
"\C-w") 'gud-watch
)
736 (defun gud-watch (&optional arg event
)
737 "Watch expression at point.
738 With arg, enter name of variable to be watched in the minibuffer."
739 (interactive (list current-prefix-arg last-input-event
))
740 (let ((minor-mode (buffer-local-value 'gud-minor-mode gud-comint-buffer
)))
741 (if (memq minor-mode
'(gdbmi gdba
))
743 (if event
(posn-set-point (event-end event
)))
745 (save-selected-window
748 (completing-read "Name of variable: "
749 'gud-gdb-complete-command
)
750 (if (and transient-mark-mode mark-active
)
751 (buffer-substring (region-beginning) (region-end))
752 (tooltip-identifier-from-point (point))))))
754 (set-text-properties 0 (length expr
) nil expr
)
757 (if (eq minor-mode
'gdba
)
759 "server interpreter mi \"-var-create - * " expr
"\"\n")
760 (concat"-var-create - * " expr
"\n"))
761 `(lambda () (gdb-var-create-handler ,expr
)))))))
762 (message "gud-watch is a no-op in this mode."))))
764 (defconst gdb-var-create-regexp
765 "name=\"\\(.*?\\)\",.*numchild=\"\\(.*?\\)\",\\(?:.*value=\\(\".*\"\\),\\)?.*type=\"\\(.*?\\)\"")
767 (defun gdb-var-create-handler (expr)
768 (goto-char (point-min))
769 (if (re-search-forward gdb-var-create-regexp nil t
)
772 (if (and (string-equal gdb-current-language
"c")
773 gdb-use-colon-colon-notation gdb-selected-frame
)
774 (setq expr
(concat gdb-selected-frame
"::" expr
))
778 (if (match-string 3) (read (match-string 3)))
779 nil gdb-frame-address
)))
780 (push var gdb-var-list
)
781 (unless (string-equal
782 speedbar-initial-expansion-list-name
"GUD")
783 (speedbar-change-initial-expansion-list "GUD"))
787 (if (eq (buffer-local-value 'gud-minor-mode gud-comint-buffer
)
789 (concat "server interpreter mi \"0-var-evaluate-expression "
791 (concat "0-var-evaluate-expression " (car var
) "\n"))
792 `(lambda () (gdb-var-evaluate-expression-handler
794 (if (search-forward "Undefined command" nil t
)
795 (message-box "Watching expressions requires GDB 6.0 onwards")
796 (message-box "No symbol \"%s\" in current context." expr
))))
798 (defun gdb-speedbar-update ()
799 (when (and (boundp 'speedbar-frame
) (frame-live-p speedbar-frame
)
800 (not (member 'gdb-speedbar-timer gdb-pending-triggers
)))
801 ;; Dummy command to update speedbar even when idle.
802 (gdb-enqueue-input (list "server pwd\n" 'gdb-speedbar-timer-fn
))
803 ;; Keep gdb-pending-triggers non-nil till end.
804 (push 'gdb-speedbar-timer gdb-pending-triggers
)))
806 (defun gdb-speedbar-timer-fn ()
807 (setq gdb-pending-triggers
808 (delq 'gdb-speedbar-timer gdb-pending-triggers
))
811 (defun gdb-var-evaluate-expression-handler (varnum changed
)
812 (goto-char (point-min))
813 (re-search-forward "\\(.+\\)\\^done,value=\\(\".*\"\\)" nil t
)
814 (setq gdb-pending-triggers
815 (delq (string-to-number (match-string 1)) gdb-pending-triggers
))
816 (let ((var (assoc varnum gdb-var-list
)))
818 (if changed
(setcar (nthcdr 5 var
) 'changed
))
819 (setcar (nthcdr 4 var
) (read (match-string 2)))))
820 (gdb-speedbar-update))
822 (defun gdb-var-list-children (varnum)
824 (list (concat "server interpreter mi \"-var-list-children " varnum
"\"\n")
825 `(lambda () (gdb-var-list-children-handler ,varnum
)))))
827 (defconst gdb-var-list-children-regexp
828 "child={.*?name=\"\\(.*?\\)\",.*?exp=\"\\(.*?\\)\",.*?\
829 numchild=\"\\(.*?\\)\"\\(}\\|,.*?\\(type=\"\\(.*?\\)\"\\)?.*?}\\)")
831 (defun gdb-var-list-children-handler (varnum)
832 (goto-char (point-min))
833 (let ((var-list nil
))
834 (catch 'child-already-watched
835 (dolist (var gdb-var-list
)
836 (if (string-equal varnum
(car var
))
839 (while (re-search-forward gdb-var-list-children-regexp nil t
)
840 (let ((varchild (list (match-string 1)
845 (if (assoc (car varchild
) gdb-var-list
)
846 (throw 'child-already-watched nil
))
847 (push varchild var-list
)
851 "server interpreter mi \"0-var-evaluate-expression "
852 (car varchild
) "\"\n")
853 `(lambda () (gdb-var-evaluate-expression-handler
854 ,(car varchild
) nil
)))))))
855 (push var var-list
)))
856 (setq gdb-var-list
(nreverse var-list
)))))
858 (defun gdb-var-update ()
859 (when (not (member 'gdb-var-update gdb-pending-triggers
))
861 (list "server interpreter mi \"-var-update *\"\n"
862 'gdb-var-update-handler
))
863 (push 'gdb-var-update gdb-pending-triggers
)))
865 (defconst gdb-var-update-regexp
866 "{.*?name=\"\\(.*?\\)\",.*?in_scope=\"\\(.*?\\)\",.*?\
867 type_changed=\".*?\".*?}")
869 (defun gdb-var-update-handler ()
870 (dolist (var gdb-var-list
)
871 (setcar (nthcdr 5 var
) nil
))
872 (goto-char (point-min))
874 (while (re-search-forward gdb-var-update-regexp nil t
)
875 (let ((varnum (match-string 1)))
876 (if (string-equal (match-string 2) "false")
877 (let ((var (assoc varnum gdb-var-list
)))
878 (if var
(setcar (nthcdr 5 var
) 'out-of-scope
)))
880 (push n gdb-pending-triggers
)
883 (concat "server interpreter mi \"" (number-to-string n
)
884 "-var-evaluate-expression " varnum
"\"\n")
885 `(lambda () (gdb-var-evaluate-expression-handler ,varnum t
))))))))
886 (setq gdb-pending-triggers
887 (delq 'gdb-var-update gdb-pending-triggers
)))
889 (defun gdb-var-set-format (format)
890 "Set the output format for a variable displayed in the speedbar."
891 (let* ((var (nth (- (count-lines (point-min) (point)) 2) gdb-var-list
))
895 (if (eq (buffer-local-value 'gud-minor-mode gud-comint-buffer
) 'gdba
)
896 (concat "server interpreter mi \"-var-set-format "
897 varnum
" " format
"\"\n")
898 (concat "-var-set-format " varnum
" " format
"\n"))
899 `(lambda () (gdb-var-set-format-handler ,varnum
))))))
901 (defconst gdb-var-set-format-regexp
902 "format=\"\\(.*?\\)\",.*value=\"\\(.*?\\)\"")
904 (defun gdb-var-set-format-handler (varnum)
905 (goto-char (point-min))
906 (if (re-search-forward gdb-var-set-format-regexp nil t
)
907 (let ((var (assoc varnum gdb-var-list
)))
908 (setcar (nthcdr 4 var
) (match-string 2))
909 (gdb-var-update-1))))
911 (defun gdb-var-delete-1 (varnum)
914 (if (eq (buffer-local-value 'gud-minor-mode gud-comint-buffer
) 'gdba
)
915 (concat "server interpreter mi \"-var-delete " varnum
"\"\n")
916 (concat "-var-delete " varnum
"\n"))
918 (setq gdb-var-list
(delq var gdb-var-list
))
919 (dolist (varchild gdb-var-list
)
920 (if (string-match (concat (car var
) "\\.") (car varchild
))
921 (setq gdb-var-list
(delq varchild gdb-var-list
)))))
923 (defun gdb-var-delete ()
924 "Delete watch expression at point from the speedbar."
926 (if (memq (buffer-local-value 'gud-minor-mode gud-comint-buffer
)
928 (let* ((var (nth (- (count-lines (point-min) (point)) 2) gdb-var-list
))
930 (if (string-match "\\." (car var
))
931 (message-box "Can only delete a root expression")
932 (gdb-var-delete-1 varnum
)))))
934 (defun gdb-var-delete-children (varnum)
935 "Delete children of variable object at point from the speedbar."
938 (if (eq (buffer-local-value 'gud-minor-mode gud-comint-buffer
) 'gdba
)
939 (concat "server interpreter mi \"-var-delete -c " varnum
"\"\n")
940 (concat "-var-delete -c " varnum
"\n")) 'ignore
)))
942 (defun gdb-edit-value (text token indent
)
943 "Assign a value to a variable displayed in the speedbar."
944 (let* ((var (nth (- (count-lines (point-min) (point)) 2) gdb-var-list
))
945 (varnum (car var
)) (value))
946 (setq value
(read-string "New value: "))
949 (if (eq (buffer-local-value 'gud-minor-mode gud-comint-buffer
) 'gdba
)
950 (concat "server interpreter mi \"-var-assign "
951 varnum
" " value
"\"\n")
952 (concat "-var-assign " varnum
" " value
"\n"))
953 `(lambda () (gdb-edit-value-handler ,value
))))))
955 (defun gdb-edit-value-handler (value)
956 (goto-char (point-min))
957 (if (re-search-forward gdb-error-regexp nil t
)
958 (message-box "Invalid number or expression (%s)" value
)))
960 (defcustom gdb-show-changed-values t
961 "If non-nil change the face of out of scope variables and changed values.
962 Out of scope variables are suppressed with `shadow' face.
963 Changed values are highlighted with the face `font-lock-warning-face'."
968 (defcustom gdb-max-children
40
969 "Maximum number of children before expansion requires confirmation."
974 (defcustom gdb-delete-out-of-scope t
975 "If non-nil delete watch expressions automatically when they go out of scope."
980 (defun gdb-speedbar-expand-node (text token indent
)
981 "Expand the node the user clicked on.
982 TEXT is the text of the button we clicked on, a + or - item.
983 TOKEN is data related to this node.
984 INDENT is the current indentation depth."
985 (if (and gud-comint-buffer
(buffer-name gud-comint-buffer
))
987 (cond ((string-match "+" text
) ;expand this node
988 (let* ((var (assoc token gdb-var-list
))
989 (expr (nth 1 var
)) (children (nth 2 var
)))
990 (if (or (<= (string-to-number children
) gdb-max-children
)
993 "%s has %s children. Continue? " expr children
)))
994 (if (and (eq (buffer-local-value
995 'gud-minor-mode gud-comint-buffer
) 'gdba
)
996 (string-equal gdb-version
"pre-6.4"))
997 (gdb-var-list-children token
)
998 (gdb-var-list-children-1 token
)))))
999 ((string-match "-" text
) ;contract this node
1000 (dolist (var gdb-var-list
)
1001 (if (string-match (concat token
"\\.") (car var
))
1002 (setq gdb-var-list
(delq var gdb-var-list
))))
1003 (gdb-var-delete-children token
)
1004 (speedbar-change-expand-button-char ?
+)
1005 (speedbar-delete-subblock indent
))
1006 (t (error "Ooops... not sure what to do")))
1007 (speedbar-center-buffer-smartly))
1008 (message-box "GUD session has been killed")))
1010 (defun gdb-get-target-string ()
1011 (with-current-buffer gud-comint-buffer
1018 ;; Each buffer has a TYPE -- a symbol that identifies the function
1019 ;; of that particular buffer.
1021 ;; The usual gdb interaction buffer is given the type `gdba' and
1022 ;; is constructed specially.
1024 ;; Others are constructed by gdb-get-buffer-create and
1025 ;; named according to the rules set forth in the gdb-buffer-rules-assoc
1027 (defvar gdb-buffer-rules-assoc
'())
1029 (defun gdb-get-buffer (key)
1030 "Return the gdb buffer tagged with type KEY.
1031 The key should be one of the cars in `gdb-buffer-rules-assoc'."
1033 (gdb-look-for-tagged-buffer key
(buffer-list))))
1035 (defun gdb-get-buffer-create (key)
1036 "Create a new gdb buffer of the type specified by KEY.
1037 The key should be one of the cars in `gdb-buffer-rules-assoc'."
1038 (or (gdb-get-buffer key
)
1039 (let* ((rules (assoc key gdb-buffer-rules-assoc
))
1040 (name (funcall (gdb-rules-name-maker rules
)))
1041 (new (get-buffer-create name
)))
1042 (with-current-buffer new
1044 (if (cdr (cdr rules
))
1045 (setq trigger
(funcall (car (cdr (cdr rules
))))))
1046 (setq gdb-buffer-type key
)
1047 (set (make-local-variable 'gud-minor-mode
)
1048 (buffer-local-value 'gud-minor-mode gud-comint-buffer
))
1049 (set (make-local-variable 'tool-bar-map
) gud-tool-bar-map
)
1050 (if trigger
(funcall trigger
)))
1053 (defun gdb-rules-name-maker (rules) (car (cdr rules
)))
1055 (defun gdb-look-for-tagged-buffer (key bufs
)
1057 (while (and (not retval
) bufs
)
1058 (set-buffer (car bufs
))
1059 (if (eq gdb-buffer-type key
)
1060 (setq retval
(car bufs
)))
1061 (setq bufs
(cdr bufs
)))
1065 ;; This assoc maps buffer type symbols to rules. Each rule is a list of
1066 ;; at least one and possible more functions. The functions have these
1067 ;; roles in defining a buffer type:
1069 ;; NAME - Return a name for this buffer type.
1071 ;; The remaining function(s) are optional:
1073 ;; MODE - called in a new buffer with no arguments, should establish
1074 ;; the proper mode for the buffer.
1077 (defun gdb-set-buffer-rules (buffer-type &rest rules
)
1078 (let ((binding (assoc buffer-type gdb-buffer-rules-assoc
)))
1080 (setcdr binding rules
)
1081 (push (cons buffer-type rules
)
1082 gdb-buffer-rules-assoc
))))
1084 ;; GUD buffers are an exception to the rules
1085 (gdb-set-buffer-rules 'gdba
'error
)
1087 ;; Partial-output buffer : This accumulates output from a command executed on
1088 ;; behalf of emacs (rather than the user).
1090 (gdb-set-buffer-rules 'gdb-partial-output-buffer
1091 'gdb-partial-output-name
)
1093 (defun gdb-partial-output-name ()
1094 (concat " *partial-output-"
1095 (gdb-get-target-string)
1099 (gdb-set-buffer-rules 'gdb-inferior-io
1100 'gdb-inferior-io-name
1101 'gdb-inferior-io-mode
)
1103 (defun gdb-inferior-io-name ()
1104 (concat "*input/output of "
1105 (gdb-get-target-string)
1108 (defun gdb-display-separate-io-buffer ()
1109 "Display IO of debugged program in a separate window."
1111 (if gdb-use-separate-io-buffer
1113 (gdb-get-buffer-create 'gdb-inferior-io
) t
)))
1115 (defconst gdb-frame-parameters
1116 '((height .
14) (width .
80)
1118 (tool-bar-lines . nil
)
1119 (menu-bar-lines . nil
)
1120 (minibuffer . nil
)))
1122 (defun gdb-frame-separate-io-buffer ()
1123 "Display IO of debugged program in a new frame."
1125 (if gdb-use-separate-io-buffer
1126 (let ((special-display-regexps (append special-display-regexps
'(".*")))
1127 (special-display-frame-alist gdb-frame-parameters
))
1128 (display-buffer (gdb-get-buffer-create 'gdb-inferior-io
)))))
1130 (defvar gdb-inferior-io-mode-map
1131 (let ((map (make-sparse-keymap)))
1132 (define-key map
"\C-c\C-c" 'gdb-separate-io-interrupt
)
1133 (define-key map
"\C-c\C-z" 'gdb-separate-io-stop
)
1134 (define-key map
"\C-c\C-\\" 'gdb-separate-io-quit
)
1135 (define-key map
"\C-c\C-d" 'gdb-separate-io-eof
)
1136 (define-key map
"\C-d" 'gdb-separate-io-eof
)
1139 (define-derived-mode gdb-inferior-io-mode comint-mode
"Inferior I/O"
1140 "Major mode for gdb inferior-io."
1141 :syntax-table nil
:abbrev-table nil
1142 ;; We want to use comint because it has various nifty and familiar
1143 ;; features. We don't need a process, but comint wants one, so create
1145 (make-comint-in-buffer
1146 (substring (buffer-name) 1 (- (length (buffer-name)) 1))
1147 (current-buffer) "hexl")
1148 (setq comint-input-sender
'gdb-inferior-io-sender
))
1150 (defun gdb-inferior-io-sender (proc string
)
1151 ;; PROC is the pseudo-process created to satisfy comint.
1152 (with-current-buffer (process-buffer proc
)
1153 (setq proc
(get-buffer-process gud-comint-buffer
))
1154 (process-send-string proc string
)
1155 (process-send-string proc
"\n")))
1157 (defun gdb-separate-io-interrupt ()
1158 "Interrupt the program being debugged."
1161 (get-buffer-process gud-comint-buffer
) comint-ptyp
))
1163 (defun gdb-separate-io-quit ()
1164 "Send quit signal to the program being debugged."
1167 (get-buffer-process gud-comint-buffer
) comint-ptyp
))
1169 (defun gdb-separate-io-stop ()
1170 "Stop the program being debugged."
1173 (get-buffer-process gud-comint-buffer
) comint-ptyp
))
1175 (defun gdb-separate-io-eof ()
1176 "Send end-of-file to the program being debugged."
1179 (get-buffer-process gud-comint-buffer
)))
1182 ;; gdb communications
1185 ;; INPUT: things sent to gdb
1187 ;; The queues are lists. Each element is either a string (indicating user or
1188 ;; user-like input) or a list of the form:
1190 ;; (INPUT-STRING HANDLER-FN)
1192 ;; The handler function will be called from the partial-output buffer when the
1193 ;; command completes. This is the way to write commands which invoke gdb
1194 ;; commands autonomously.
1196 ;; These lists are consumed tail first.
1199 (defun gdb-send (proc string
)
1200 "A comint send filter for gdb.
1201 This filter may simply queue input for a later time."
1204 (with-current-buffer gud-comint-buffer
1205 (let ((inhibit-read-only t
))
1206 (remove-text-properties (point-min) (point-max) '(face))))
1209 (let ((item (concat string
"\n")))
1210 (if gdb-enable-debug
(push (cons 'send item
) gdb-debug-log
))
1211 (process-send-string proc item
)))
1212 (if (string-match "\\\\\\'" string
)
1213 (setq gdb-continuation
(concat gdb-continuation string
"\n"))
1215 gdb-continuation string
1216 (if (not comint-input-sender-no-newline
) "\n"))))
1217 (gdb-enqueue-input item
)
1218 (setq gdb-continuation nil
)))))
1219 (push (concat string
"\n") gdb-early-user-input
)))
1221 ;; Note: Stuff enqueued here will be sent to the next prompt, even if it
1222 ;; is a query, or other non-top-level prompt.
1224 (defun gdb-enqueue-input (item)
1225 (if (not gud-running
)
1228 (gdb-send-item item
)
1229 (setq gdb-prompting nil
))
1230 (push item gdb-input-queue
))))
1232 (defun gdb-dequeue-input ()
1233 (let ((queue gdb-input-queue
))
1235 (let ((last (car (last queue
))))
1236 (unless (nbutlast queue
) (setq gdb-input-queue
'()))
1238 ;; This should be nil here anyway but set it just to make sure.
1239 (setq gdb-pending-triggers nil
))))
1241 (defun gdb-send-item (item)
1242 (setq gdb-flush-pending-output nil
)
1243 (if gdb-enable-debug
(push (cons 'send-item item
) gdb-debug-log
))
1244 (setq gdb-current-item item
)
1245 (let ((process (get-buffer-process gud-comint-buffer
)))
1246 (if (eq (buffer-local-value 'gud-minor-mode gud-comint-buffer
) 'gdba
)
1249 (setq gdb-output-sink
'user
)
1250 (process-send-string process item
))
1252 (gdb-clear-partial-output)
1253 (setq gdb-output-sink
'pre-emacs
)
1254 (process-send-string process
1256 ;; case: eq gud-minor-mode 'gdbmi
1257 (gdb-clear-partial-output)
1258 (setq gdb-output-sink
'emacs
)
1259 (process-send-string process
(car item
)))))
1262 ;; output -- things gdb prints to emacs
1264 ;; GDB output is a stream interrupted by annotations.
1265 ;; Annotations can be recognized by their beginning
1266 ;; with \C-j\C-z\C-z<tag><opt>\C-j
1268 ;; The tag is a string obeying symbol syntax.
1270 ;; The optional part `<opt>' can be either the empty string
1271 ;; or a space followed by more data relating to the annotation.
1272 ;; For example, the SOURCE annotation is followed by a filename,
1273 ;; line number and various useless goo. This data must not include
1277 (defcustom gud-gdb-command-name
"gdb --annotate=3"
1278 "Default command to execute an executable under the GDB debugger.
1279 The option \"--annotate=3\" must be included in this value if you
1280 want the GDB Graphical Interface."
1285 (defvar gdb-annotation-rules
1286 '(("pre-prompt" gdb-pre-prompt
)
1287 ("prompt" gdb-prompt
)
1288 ("commands" gdb-subprompt
)
1289 ("overload-choice" gdb-subprompt
)
1290 ("query" gdb-subprompt
)
1291 ;; Need this prompt for GDB 6.1
1292 ("nquery" gdb-subprompt
)
1293 ("prompt-for-continue" gdb-subprompt
)
1294 ("post-prompt" gdb-post-prompt
)
1295 ("source" gdb-source
)
1296 ("starting" gdb-starting
)
1297 ("exited" gdb-exited
)
1298 ("signalled" gdb-signalled
)
1299 ("signal" gdb-signal
)
1300 ("breakpoint" gdb-stopping
)
1301 ("watchpoint" gdb-stopping
)
1302 ("frame-begin" gdb-frame-begin
)
1303 ("stopped" gdb-stopped
)
1304 ("error-begin" gdb-error
)
1306 ) "An assoc mapping annotation tags to functions which process them.")
1309 (setq gdb-flush-pending-output t
)
1310 (setq gud-running nil
)
1311 (gdb-force-mode-line-update
1312 (propertize "stopped"'face font-lock-warning-face
))
1313 (setq gdb-output-sink
'user
)
1314 (setq gdb-input-queue nil
)
1315 (setq gdb-pending-triggers nil
)
1316 (setq gdb-prompting t
))
1318 (defconst gdb-source-spec-regexp
1319 "\\(.*\\):\\([0-9]*\\):[0-9]*:[a-z]*:0x0*\\([a-f0-9]*\\)")
1321 ;; Do not use this except as an annotation handler.
1322 (defun gdb-source (args)
1323 (string-match gdb-source-spec-regexp args
)
1324 ;; Extract the frame position from the marker.
1325 (setq gud-last-frame
1327 (match-string 1 args
)
1328 (string-to-number (match-string 2 args
))))
1329 (setq gdb-pc-address
(match-string 3 args
))
1330 ;; cover for auto-display output which comes *before*
1331 ;; stopped annotation
1332 (if (eq gdb-output-sink
'inferior
) (setq gdb-output-sink
'user
)))
1334 (defun gdb-pre-prompt (ignored)
1335 "An annotation handler for `pre-prompt'.
1336 This terminates the collection of output from a previous command if that
1337 happens to be in effect."
1338 (setq gdb-error nil
)
1339 (let ((sink gdb-output-sink
))
1343 (setq gdb-output-sink
'post-emacs
))
1346 (error "Phase error in gdb-pre-prompt (got %s)" sink
)))))
1348 (defun gdb-prompt (ignored)
1349 "An annotation handler for `prompt'.
1350 This sends the next command (if any) to gdb."
1351 (when gdb-first-prompt
1352 (gdb-force-mode-line-update
1353 (propertize "initializing..." 'face font-lock-variable-name-face
))
1355 (setq gdb-first-prompt nil
))
1356 (let ((sink gdb-output-sink
))
1359 ((eq sink
'post-emacs
)
1360 (setq gdb-output-sink
'user
)
1362 (car (cdr gdb-current-item
))))
1363 (with-current-buffer (gdb-get-buffer-create 'gdb-partial-output-buffer
)
1364 (funcall handler
))))
1367 (error "Phase error in gdb-prompt (got %s)" sink
))))
1368 (let ((input (gdb-dequeue-input)))
1370 (gdb-send-item input
)
1372 (setq gdb-prompting t
)
1374 (setq gdb-early-user-input
(nreverse gdb-early-user-input
))
1375 (while gdb-early-user-input
1376 (gdb-enqueue-input (car gdb-early-user-input
))
1377 (setq gdb-early-user-input
(cdr gdb-early-user-input
)))))))
1379 (defun gdb-subprompt (ignored)
1380 "An annotation handler for non-top-level prompts."
1381 (setq gdb-prompting t
))
1383 (defun gdb-starting (ignored)
1384 "An annotation handler for `starting'.
1385 This says that I/O for the subprocess is now the program being debugged,
1387 (setq gdb-active-process t
)
1388 (setq gdb-printing t
)
1389 (let ((sink gdb-output-sink
))
1393 (setq gud-running t
)
1394 (setq gdb-inferior-status
"running")
1395 (setq gdb-signalled nil
)
1396 (gdb-force-mode-line-update
1397 (propertize gdb-inferior-status
'face font-lock-type-face
))
1398 (gdb-remove-text-properties)
1399 (setq gud-old-arrow gud-overlay-arrow-position
)
1400 (setq gud-overlay-arrow-position nil
)
1401 (setq gdb-overlay-arrow-position nil
)
1402 (setq gdb-stack-position nil
)
1403 (if gdb-use-separate-io-buffer
1404 (setq gdb-output-sink
'inferior
))))
1407 (error "Unexpected `starting' annotation")))))
1409 (defun gdb-signal (ignored)
1410 (setq gdb-inferior-status
"signal")
1411 (gdb-force-mode-line-update
1412 (propertize gdb-inferior-status
'face font-lock-warning-face
))
1413 (gdb-stopping ignored
))
1415 (defun gdb-stopping (ignored)
1416 "An annotation handler for `breakpoint' and other annotations.
1417 They say that I/O for the subprocess is now GDB, not the program
1419 (if gdb-use-separate-io-buffer
1420 (let ((sink gdb-output-sink
))
1422 ((eq sink
'inferior
)
1423 (setq gdb-output-sink
'user
))
1426 (error "Unexpected stopping annotation"))))))
1428 (defun gdb-exited (ignored)
1429 "An annotation handler for `exited' and `signalled'.
1430 They say that I/O for the subprocess is now GDB, not the program
1431 being debugged and that the program is no longer running. This
1432 function is used to change the focus of GUD tooltips to #define
1434 (setq gdb-active-process nil
)
1435 (setq gud-overlay-arrow-position nil
)
1436 (setq gdb-overlay-arrow-position nil
)
1437 (setq gdb-stack-position nil
)
1438 (setq gud-old-arrow nil
)
1439 (setq gdb-inferior-status
"exited")
1440 (gdb-force-mode-line-update
1441 (propertize gdb-inferior-status
'face font-lock-warning-face
))
1442 (gdb-stopping ignored
))
1444 (defun gdb-signalled (ignored)
1445 (setq gdb-signalled t
))
1447 (defun gdb-frame-begin (ignored)
1448 (setq gdb-frame-begin t
)
1449 (setq gdb-printing nil
)
1450 (let ((sink gdb-output-sink
))
1452 ((eq sink
'inferior
)
1453 (setq gdb-output-sink
'user
))
1455 ((eq sink
'emacs
) t
)
1458 (error "Unexpected frame-begin annotation (%S)" sink
)))))
1460 (defcustom gdb-same-frame focus-follows-mouse
1461 "Non-nil means pop up GUD buffer in same frame."
1466 (defcustom gdb-find-source-frame nil
1467 "Non-nil means try to find a source frame further up stack e.g after signal."
1472 (defun gdb-find-source-frame (arg)
1473 "Toggle trying to find a source frame further up stack.
1474 With prefix argument ARG, look for a source frame further up
1475 stack if ARG is positive, otherwise don't look further up."
1477 (setq gdb-find-source-frame
1479 (not gdb-find-source-frame
)
1480 (> (prefix-numeric-value arg
) 0)))
1481 (message (format "Looking for source frame %sabled"
1482 (if gdb-find-source-frame
"en" "dis"))))
1484 (defun gdb-stopped (ignored)
1485 "An annotation handler for `stopped'.
1486 It is just like `gdb-stopping', except that if we already set the output
1487 sink to `user' in `gdb-stopping', that is fine."
1488 (setq gud-running nil
)
1489 (unless (or gud-overlay-arrow-position gud-last-frame
)
1490 (if (and gdb-frame-begin gdb-printing
)
1491 (setq gud-overlay-arrow-position gud-old-arrow
)
1492 ;;Pop up GUD buffer to display current frame when it doesn't have source
1493 ;;information i.e if not compiled with -g as with libc routines generally.
1495 (gdb-display-gdb-buffer)
1496 (gdb-frame-gdb-buffer))
1497 (if gdb-find-source-frame
1498 ;;Try to find source further up stack e.g after signal.
1499 (setq gdb-look-up-stack
1500 (if (gdb-get-buffer 'gdb-stack-buffer
)
1503 (gdb-get-buffer-create 'gdb-stack-buffer
)
1504 (gdb-invalidate-frames)
1506 (unless (member gdb-inferior-status
'("exited" "signal"))
1507 (setq gdb-active-process t
) ;Just for attaching case.
1508 (setq gdb-inferior-status
"stopped")
1509 (gdb-force-mode-line-update
1510 (propertize gdb-inferior-status
'face font-lock-warning-face
)))
1511 (let ((sink gdb-output-sink
))
1513 ((eq sink
'inferior
)
1514 (setq gdb-output-sink
'user
))
1518 (error "Unexpected stopped annotation"))))
1519 (if gdb-signalled
(gdb-exited ignored
)))
1521 (defun gdb-error (ignored)
1522 (setq gdb-error
(not gdb-error
)))
1524 (defun gdb-post-prompt (ignored)
1525 "An annotation handler for `post-prompt'.
1526 This begins the collection of output from the current command if that
1527 happens to be appropriate."
1528 ;; Don't add to queue if there outstanding items or gdb-version is not known
1530 (unless (or gdb-pending-triggers gdb-first-post-prompt
)
1531 (gdb-get-selected-frame)
1532 (gdb-invalidate-frames)
1533 ;; Regenerate breakpoints buffer in case it has been inadvertantly deleted.
1534 (gdb-get-buffer-create 'gdb-breakpoints-buffer
)
1535 (gdb-invalidate-breakpoints)
1536 ;; Do this through gdb-get-selected-frame -> gdb-frame-handler
1537 ;; so gdb-pc-address is updated.
1538 ;; (gdb-invalidate-assembler)
1540 (if (string-equal gdb-version
"pre-6.4")
1541 (gdb-invalidate-registers)
1542 (gdb-get-changed-registers)
1543 (gdb-invalidate-registers-1))
1545 (gdb-invalidate-memory)
1546 (if (string-equal gdb-version
"pre-6.4")
1547 (gdb-invalidate-locals)
1548 (gdb-invalidate-locals-1))
1550 (gdb-invalidate-threads)
1551 (unless (eq system-type
'darwin
) ;Breaks on Darwin's GDB-5.3.
1552 ;; FIXME: with GDB-6 on Darwin, this might very well work.
1553 ;; Only needed/used with speedbar/watch expressions.
1554 (when (and (boundp 'speedbar-frame
) (frame-live-p speedbar-frame
))
1555 (if (string-equal gdb-version
"pre-6.4")
1557 (gdb-var-update-1)))))
1558 (setq gdb-first-post-prompt nil
)
1559 (let ((sink gdb-output-sink
))
1562 ((eq sink
'pre-emacs
)
1563 (setq gdb-output-sink
'emacs
))
1566 (error "Phase error in gdb-post-prompt (got %s)" sink
)))))
1568 (defconst gdb-buffer-list
1569 '(gdb-stack-buffer gdb-locals-buffer gdb-registers-buffer gdb-threads-buffer
))
1571 (defun gdb-remove-text-properties ()
1572 (dolist (buffertype gdb-buffer-list
)
1573 (let ((buffer (gdb-get-buffer buffertype
)))
1575 (with-current-buffer buffer
1576 (let ((inhibit-read-only t
))
1577 (remove-text-properties
1578 (point-min) (point-max) '(mouse-face nil help-echo nil
))))))))
1580 ;; GUD displays the selected GDB frame. This might might not be the current
1581 ;; GDB frame (after up, down etc). If no GDB frame is visible but the last
1582 ;; visited breakpoint is, use that window.
1583 (defun gdb-display-source-buffer (buffer)
1584 (let* ((last-window (if gud-last-last-frame
1586 (gud-find-file (car gud-last-last-frame
)))))
1587 (source-window (or last-window
1588 (if (and gdb-source-window
1589 (window-live-p gdb-source-window
))
1590 gdb-source-window
))))
1592 (setq gdb-source-window source-window
)
1593 (set-window-buffer source-window buffer
))
1596 ;; Derived from gud-gdb-marker-regexp
1597 (defvar gdb-fullname-regexp
1598 (concat "\\(.:?[^" ":" "\n]*\\)" ":" "\\([0-9]*\\)" ":" ".*"))
1600 (defun gud-gdba-marker-filter (string)
1601 "A gud marker filter for gdb. Handle a burst of output from GDB."
1602 (if gdb-flush-pending-output
1604 (when gdb-enable-debug
1605 (push (cons 'recv string
) gdb-debug-log
)
1606 (if (and gdb-debug-log-max
1607 (> (length gdb-debug-log
) gdb-debug-log-max
))
1608 (setcdr (nthcdr (1- gdb-debug-log-max
) gdb-debug-log
) nil
)))
1609 ;; Recall the left over gud-marker-acc from last time.
1610 (setq gud-marker-acc
(concat gud-marker-acc string
))
1611 ;; Start accumulating output for the GUD buffer.
1614 ;; Process all the complete markers in this chunk.
1615 (while (string-match "\n\032\032\\(.*\\)\n" gud-marker-acc
)
1616 (let ((annotation (match-string 1 gud-marker-acc
))
1617 (before (substring gud-marker-acc
0 (match-beginning 0)))
1618 (after (substring gud-marker-acc
(match-end 0))))
1620 ;; Parse the tag from the annotation, and maybe its arguments.
1621 (string-match "\\(\\S-*\\) ?\\(.*\\)" annotation
)
1622 (let* ((annotation-type (match-string 1 annotation
))
1623 (annotation-arguments (match-string 2 annotation
))
1624 (annotation-rule (assoc annotation-type
1625 gdb-annotation-rules
))
1626 (fullname (string-match gdb-fullname-regexp annotation-type
)))
1628 ;; Stuff prior to the match is just ordinary output.
1629 ;; It is either concatenated to OUTPUT or directed
1632 (gdb-concat-output output
1633 (concat before
(if fullname
"\n"))))
1635 ;; Take that stuff off the gud-marker-acc.
1636 (setq gud-marker-acc after
)
1638 ;; Call the handler for this annotation.
1640 (funcall (car (cdr annotation-rule
))
1641 annotation-arguments
)
1643 ;; Switch to gud-gdb-marker-filter if appropriate.
1646 ;; Extract the frame position from the marker.
1647 (setq gud-last-frame
(cons (match-string 1 annotation
)
1649 (match-string 2 annotation
))))
1651 (set (make-local-variable 'gud-minor-mode
) 'gdb
)
1652 (set (make-local-variable 'gud-marker-filter
)
1653 'gud-gdb-marker-filter
)))
1655 ;; Else the annotation is not recognized. Ignore it silently,
1656 ;; so that GDB can add new annotations without causing
1660 ;; Does the remaining text end in a partial line?
1661 ;; If it does, then keep part of the gud-marker-acc until we get more.
1662 (if (string-match "\n\\'\\|\n\032\\'\\|\n\032\032.*\\'"
1665 ;; Everything before the potential marker start can be output.
1667 (gdb-concat-output output
1668 (substring gud-marker-acc
0
1669 (match-beginning 0))))
1671 ;; Everything after, we save, to combine with later input.
1672 (setq gud-marker-acc
(substring gud-marker-acc
1673 (match-beginning 0))))
1675 ;; In case we know the gud-marker-acc contains no partial annotations:
1677 (setq output
(gdb-concat-output output gud-marker-acc
))
1678 (setq gud-marker-acc
"")))
1681 (defun gdb-concat-output (so-far new
)
1683 (put-text-property 0 (length new
) 'face font-lock-warning-face new
))
1684 (let ((sink gdb-output-sink
))
1686 ((eq sink
'user
) (concat so-far new
))
1687 ((or (eq sink
'pre-emacs
) (eq sink
'post-emacs
)) so-far
)
1689 (gdb-append-to-partial-output new
)
1691 ((eq sink
'inferior
)
1692 (gdb-append-to-inferior-io new
)
1696 (error "Bogon output sink %S" sink
)))))
1698 (defun gdb-append-to-partial-output (string)
1699 (with-current-buffer (gdb-get-buffer-create 'gdb-partial-output-buffer
)
1700 (goto-char (point-max))
1703 (defun gdb-clear-partial-output ()
1704 (with-current-buffer (gdb-get-buffer-create 'gdb-partial-output-buffer
)
1707 (defun gdb-append-to-inferior-io (string)
1708 (with-current-buffer (gdb-get-buffer-create 'gdb-inferior-io
)
1709 (goto-char (point-max))
1710 (insert-before-markers string
))
1711 (if (not (string-equal string
""))
1712 (gdb-display-buffer (gdb-get-buffer-create 'gdb-inferior-io
) t
)))
1714 (defun gdb-clear-inferior-io ()
1715 (with-current-buffer (gdb-get-buffer-create 'gdb-inferior-io
)
1719 ;; One trick is to have a command who's output is always available in a buffer
1720 ;; of it's own, and is always up to date. We build several buffers of this
1723 ;; There are two aspects to this: gdb has to tell us when the output for that
1724 ;; command might have changed, and we have to be able to run the command
1725 ;; behind the user's back.
1727 ;; The output phasing associated with the variable gdb-output-sink
1728 ;; help us to run commands behind the user's back.
1730 ;; Below is the code for specificly managing buffers of output from one
1734 ;; The trigger function is suitable for use in the assoc GDB-ANNOTATION-RULES
1735 ;; It adds an input for the command we are tracking. It should be the
1736 ;; annotation rule binding of whatever gdb sends to tell us this command
1737 ;; might have changed it's output.
1739 ;; NAME is the function name. DEMAND-PREDICATE tests if output is really needed.
1740 ;; GDB-COMMAND is a string of such. OUTPUT-HANDLER is the function bound to the
1741 ;; input in the input queue (see comment about ``gdb communications'' above).
1743 (defmacro def-gdb-auto-update-trigger
(name demand-predicate gdb-command
1745 `(defun ,name
(&optional ignored
)
1746 (if (and ,demand-predicate
1748 gdb-pending-triggers
)))
1751 (list ,gdb-command
',output-handler
))
1752 (push ',name gdb-pending-triggers
)))))
1754 (defmacro def-gdb-auto-update-handler
(name trigger buf-key custom-defun
)
1756 (setq gdb-pending-triggers
1758 gdb-pending-triggers
))
1759 (let ((buf (gdb-get-buffer ',buf-key
)))
1761 (with-current-buffer buf
1762 (let* ((window (get-buffer-window buf
0))
1763 (start (window-start window
))
1764 (p (window-point window
))
1765 (buffer-read-only nil
))
1767 (insert-buffer-substring (gdb-get-buffer-create
1768 'gdb-partial-output-buffer
))
1769 (set-window-start window start
)
1770 (set-window-point window p
)))))
1771 ;; put customisation here
1774 (defmacro def-gdb-auto-updated-buffer
(buffer-key
1775 trigger-name gdb-command
1776 output-handler-name custom-defun
)
1778 (def-gdb-auto-update-trigger ,trigger-name
1779 ;; The demand predicate:
1780 (gdb-get-buffer ',buffer-key
)
1782 ,output-handler-name
)
1783 (def-gdb-auto-update-handler ,output-handler-name
1784 ,trigger-name
,buffer-key
,custom-defun
)))
1788 ;; Breakpoint buffer : This displays the output of `info breakpoints'.
1790 (gdb-set-buffer-rules 'gdb-breakpoints-buffer
1791 'gdb-breakpoints-buffer-name
1792 'gdb-breakpoints-mode
)
1794 (def-gdb-auto-updated-buffer gdb-breakpoints-buffer
1795 ;; This defines the auto update rule for buffers of type
1796 ;; `gdb-breakpoints-buffer'.
1798 ;; It defines a function to serve as the annotation handler that
1799 ;; handles the `foo-invalidated' message. That function is called:
1800 gdb-invalidate-breakpoints
1802 ;; To update the buffer, this command is sent to gdb.
1803 "server info breakpoints\n"
1805 ;; This also defines a function to be the handler for the output
1806 ;; from the command above. That function will copy the output into
1807 ;; the appropriately typed buffer. That function will be called:
1808 gdb-info-breakpoints-handler
1809 ;; buffer specific functions
1810 gdb-info-breakpoints-custom
)
1812 (defconst breakpoint-xpm-data
1814 static char *magick[] = {
1815 /* columns rows colors chars-per-pixel */
1831 "XPM data used for breakpoint icon.")
1833 (defconst breakpoint-enabled-pbm-data
1836 0 0 0 0 1 1 1 1 0 0 0 0
1837 0 0 0 1 1 1 1 1 1 0 0 0
1838 0 0 1 1 1 1 1 1 1 1 0 0
1839 0 1 1 1 1 1 1 1 1 1 1 0
1840 0 1 1 1 1 1 1 1 1 1 1 0
1841 0 1 1 1 1 1 1 1 1 1 1 0
1842 0 1 1 1 1 1 1 1 1 1 1 0
1843 0 0 1 1 1 1 1 1 1 1 0 0
1844 0 0 0 1 1 1 1 1 1 0 0 0
1845 0 0 0 0 1 1 1 1 0 0 0 0"
1846 "PBM data used for enabled breakpoint icon.")
1848 (defconst breakpoint-disabled-pbm-data
1860 0 0 0 1 0 1 0 1 0 0"
1861 "PBM data used for disabled breakpoint icon.")
1863 (defvar breakpoint-enabled-icon nil
1864 "Icon for enabled breakpoint in display margin.")
1866 (defvar breakpoint-disabled-icon nil
1867 "Icon for disabled breakpoint in display margin.")
1869 (and (display-images-p)
1870 ;; Bitmap for breakpoint in fringe
1871 (define-fringe-bitmap 'breakpoint
1872 "\x3c\x7e\xff\xff\xff\xff\x7e\x3c")
1873 ;; Bitmap for gud-overlay-arrow in fringe
1874 (define-fringe-bitmap 'hollow-right-triangle
1875 "\xe0\x90\x88\x84\x84\x88\x90\xe0"))
1877 (defface breakpoint-enabled
1881 "Face for enabled breakpoint icon in fringe."
1884 (defface breakpoint-disabled
1885 '((((class color
) (min-colors 88)) :foreground
"grey70")
1886 ;; Ensure that on low-color displays that we end up something visible.
1887 (((class color
) (min-colors 8) (background light
))
1888 :foreground
"black")
1889 (((class color
) (min-colors 8) (background dark
))
1890 :foreground
"white")
1891 (((type tty
) (class mono
))
1893 (t :background
"gray"))
1894 "Face for disabled breakpoint icon in fringe."
1897 (defconst gdb-breakpoint-regexp
1898 "\\(?:\\([0-9]+\\).*?\\(?:point\\|catch\\s-+\\S-+\\)\\s-+\\S-+\\|\\([0-9]+\\.[0-9]+\\)\\)\\s-+\\(.\\)\\s-+")
1900 ;; Put breakpoint icons in relevant margins (even those set in the GUD buffer).
1901 (defun gdb-info-breakpoints-custom ()
1902 (let ((flag) (bptno))
1903 ;; Remove all breakpoint-icons in source buffers but not assembler buffer.
1904 (dolist (buffer (buffer-list))
1905 (with-current-buffer buffer
1906 (if (and (memq gud-minor-mode
'(gdba gdbmi
))
1907 (not (string-match "\\` ?\\*.+\\*\\'" (buffer-name))))
1908 (gdb-remove-breakpoint-icons (point-min) (point-max)))))
1909 (with-current-buffer (gdb-get-buffer 'gdb-breakpoints-buffer
)
1911 (let ((buffer-read-only nil
))
1912 (goto-char (point-min))
1913 (while (< (point) (- (point-max) 1))
1915 (if (looking-at gdb-breakpoint-regexp
)
1917 (setq bptno
(or (match-string 1) (match-string 2)))
1918 (setq flag
(char-after (match-beginning 3)))
1919 (if (match-string 1)
1920 (setq gdb-parent-bptno-enabled
(eq flag ?y
)))
1921 (add-text-properties
1922 (match-beginning 3) (match-end 3)
1924 '(face font-lock-warning-face
)
1925 '(face font-lock-type-face
)))
1927 (el (line-end-position)))
1928 (if (re-search-forward " in \\(.*\\) at\\s-+" el t
)
1930 (add-text-properties
1931 (match-beginning 1) (match-end 1)
1932 '(face font-lock-function-name-face
))
1933 (looking-at "\\(\\S-+\\):\\([0-9]+\\)")
1934 (let ((line (match-string 2))
1935 (file (match-string 1)))
1936 (add-text-properties bl el
1937 '(mouse-face highlight
1938 help-echo
"mouse-2, RET: visit breakpoint"))
1939 (unless (file-exists-p file
)
1940 (setq file
(cdr (assoc bptno gdb-location-alist
))))
1942 (not (string-equal file
"File not found")))
1943 (with-current-buffer
1944 (find-file-noselect file
'nowarn
)
1945 (set (make-local-variable 'gud-minor-mode
)
1947 (set (make-local-variable 'tool-bar-map
)
1949 ;; Only want one breakpoint icon at each
1952 (goto-line (string-to-number line
))
1953 (gdb-put-breakpoint-icon (eq flag ?y
) bptno
)))
1956 (concat gdb-server-prefix
"list "
1957 (match-string-no-properties 1) ":1\n")
1960 (list (concat gdb-server-prefix
"info source\n")
1961 `(lambda () (gdb-get-location
1962 ,bptno
,line
,flag
)))))))
1963 (if (re-search-forward
1964 "<\\(\\(\\sw\\|[_.]\\)+\\)\\(\\+[0-9]+\\)?>"
1966 (add-text-properties
1967 (match-beginning 1) (match-end 1)
1968 '(face font-lock-function-name-face
))
1970 (re-search-backward "\\s-\\(\\S-*\\)"
1972 (add-text-properties
1973 (match-beginning 1) (match-end 1)
1974 '(face font-lock-variable-name-face
)))))))
1976 (if (gdb-get-buffer 'gdb-assembler-buffer
) (gdb-assembler-custom)))
1978 (declare-function gud-remove
"gdb-ui" t t
) ; gud-def
1979 (declare-function gud-break
"gdb-ui" t t
) ; gud-def
1981 (defun gdb-mouse-set-clear-breakpoint (event)
1982 "Set/clear breakpoint in left fringe/margin with mouse click."
1984 (mouse-minibuffer-check event
)
1985 (let ((posn (event-end event
)))
1986 (if (buffer-file-name)
1987 (if (numberp (posn-point posn
))
1988 (with-selected-window (posn-window posn
)
1990 (goto-char (posn-point posn
))
1991 (if (or (posn-object posn
)
1992 (eq (car (fringe-bitmaps-at-pos (posn-point posn
)))
1996 (posn-set-point posn
))))
1998 (defun gdb-mouse-toggle-breakpoint-margin (event)
1999 "Enable/disable breakpoint in left margin with mouse click."
2001 (mouse-minibuffer-check event
)
2002 (let ((posn (event-end event
)))
2003 (if (numberp (posn-point posn
))
2004 (with-selected-window (posn-window posn
)
2006 (goto-char (posn-point posn
))
2007 (if (posn-object posn
)
2008 (let* ((bptno (get-text-property
2009 0 'gdb-bptno
(car (posn-string posn
)))))
2010 (string-match "\\([0-9+]\\)*" bptno
)
2013 (concat gdb-server-prefix
2014 (if (get-text-property
2015 0 'gdb-enabled
(car (posn-string posn
)))
2018 (match-string 1 bptno
) "\n")
2021 (defun gdb-mouse-toggle-breakpoint-fringe (event)
2022 "Enable/disable breakpoint in left fringe with mouse click."
2024 (mouse-minibuffer-check event
)
2025 (let* ((posn (event-end event
))
2026 (pos (posn-point posn
))
2029 (with-selected-window (posn-window posn
)
2031 (set-buffer (window-buffer (selected-window)))
2033 (dolist (overlay (overlays-in pos pos
))
2034 (when (overlay-get overlay
'put-break
)
2035 (setq obj
(overlay-get overlay
'before-string
))))
2037 (let* ((bptno (get-text-property 0 'gdb-bptno obj
)))
2038 (string-match "\\([0-9+]\\)*" bptno
)
2041 (concat gdb-server-prefix
2042 (if (get-text-property 0 'gdb-enabled obj
)
2045 (match-string 1 bptno
) "\n")
2048 (defun gdb-breakpoints-buffer-name ()
2049 (with-current-buffer gud-comint-buffer
2050 (concat "*breakpoints of " (gdb-get-target-string) "*")))
2052 (defun gdb-display-breakpoints-buffer ()
2053 "Display status of user-settable breakpoints."
2056 (gdb-get-buffer-create 'gdb-breakpoints-buffer
) t
))
2058 (defun gdb-frame-breakpoints-buffer ()
2059 "Display status of user-settable breakpoints in a new frame."
2061 (let ((special-display-regexps (append special-display-regexps
'(".*")))
2062 (special-display-frame-alist gdb-frame-parameters
))
2063 (display-buffer (gdb-get-buffer-create 'gdb-breakpoints-buffer
))))
2065 (defvar gdb-breakpoints-mode-map
2066 (let ((map (make-sparse-keymap))
2067 (menu (make-sparse-keymap "Breakpoints")))
2068 (define-key menu
[quit] '("Quit" . gdb-delete-frame-or-window))
2069 (define-key menu [goto] '("Goto" . gdb-goto-breakpoint))
2070 (define-key menu [delete] '("Delete" . gdb-delete-breakpoint))
2071 (define-key menu [toggle] '("Toggle" . gdb-toggle-breakpoint))
2072 (suppress-keymap map)
2073 (define-key map [menu-bar breakpoints] (cons "Breakpoints" menu))
2074 (define-key map " " 'gdb-toggle-breakpoint)
2075 (define-key map "D" 'gdb-delete-breakpoint)
2076 ;; Don't bind "q" to kill-this-buffer as we need it for breakpoint icons.
2077 (define-key map "q" 'gdb-delete-frame-or-window)
2078 (define-key map "\r" 'gdb-goto-breakpoint)
2079 (define-key map [mouse-2] 'gdb-goto-breakpoint)
2080 (define-key map [follow-link] 'mouse-face)
2083 (defun gdb-delete-frame-or-window ()
2084 "Delete frame if there is only one window. Otherwise delete the window."
2086 (if (one-window-p) (delete-frame)
2089 (defun gdb-breakpoints-mode ()
2090 "Major mode for gdb breakpoints.
2092 \\{gdb-breakpoints-mode-map}"
2093 (kill-all-local-variables)
2094 (setq major-mode 'gdb-breakpoints-mode)
2095 (setq mode-name "Breakpoints")
2096 (use-local-map gdb-breakpoints-mode-map)
2097 (setq buffer-read-only t)
2098 (run-mode-hooks 'gdb-breakpoints-mode-hook)
2099 (if (eq (buffer-local-value 'gud-minor-mode gud-comint-buffer) 'gdba)
2100 'gdb-invalidate-breakpoints
2101 'gdbmi-invalidate-breakpoints))
2103 (defun gdb-toggle-breakpoint ()
2104 "Enable/disable breakpoint at current line."
2107 (beginning-of-line 1)
2108 (if (looking-at gdb-breakpoint-regexp)
2111 (concat gdb-server-prefix
2112 (if (eq ?y (char-after (match-beginning 3)))
2115 (or (match-string 1) (match-string 2)) "\n") 'ignore))
2116 (error "Not recognized as break/watchpoint line"))))
2118 (defun gdb-delete-breakpoint ()
2119 "Delete the breakpoint at current line."
2122 (beginning-of-line 1)
2123 (if (looking-at gdb-breakpoint-regexp)
2124 (if (match-string 1)
2127 (concat gdb-server-prefix "delete " (match-string 1) "\n")
2129 (message-box "This breakpoint cannot be deleted on its own."))
2130 (error "Not recognized as break/watchpoint line"))))
2132 (defun gdb-goto-breakpoint (&optional event)
2133 "Display the breakpoint location specified at current line."
2134 (interactive (list last-input-event))
2135 (if event (posn-set-point (event-end event)))
2137 (beginning-of-line 1)
2138 (if (looking-at "\\([0-9]+\\.?[0-9]*\\) .+ in .+ at\\s-+\\(\\S-+\\):\\([0-9]+\\)")
2139 (let ((bptno (match-string 1))
2140 (file (match-string 2))
2141 (line (match-string 3)))
2142 (save-selected-window
2143 (let* ((buffer (find-file-noselect
2144 (if (file-exists-p file) file
2145 (cdr (assoc bptno gdb-location-alist)))))
2146 (window (or (gdb-display-source-buffer buffer)
2147 (display-buffer buffer))))
2148 (setq gdb-source-window window)
2149 (with-current-buffer buffer
2150 (goto-line (string-to-number line))
2151 (set-window-point window (point))))))
2152 (error "No location specified."))))
2155 ;; Frames buffer. This displays a perpetually correct bactracktrace
2156 ;; (from the command `where').
2158 ;; Alas, if your stack is deep, it is costly.
2160 (defcustom gdb-max-frames 40
2161 "Maximum number of frames displayed in call stack."
2166 (gdb-set-buffer-rules 'gdb-stack-buffer
2167 'gdb-stack-buffer-name
2170 (def-gdb-auto-updated-buffer gdb-stack-buffer
2171 gdb-invalidate-frames
2172 (concat "server info stack " (number-to-string gdb-max-frames) "\n")
2173 gdb-info-stack-handler
2174 gdb-info-stack-custom)
2176 (defun gdb-info-stack-custom ()
2177 (with-current-buffer (gdb-get-buffer 'gdb-stack-buffer)
2180 (unless (eq gdb-look-up-stack 'delete)
2181 (let ((buffer-read-only nil)
2183 (goto-char (point-min))
2184 (while (< (point) (point-max))
2185 (setq bl (line-beginning-position)
2186 el (line-end-position))
2187 (when (looking-at "#")
2188 (add-text-properties bl el
2189 '(mouse-face highlight
2190 help-echo "mouse-2, RET: Select frame")))
2192 (when (looking-at "^#\\([0-9]+\\)")
2193 (when (string-equal (match-string 1) gdb-frame-number)
2194 (if (> (car (window-fringes)) 0)
2196 (or gdb-stack-position
2197 (setq gdb-stack-position (make-marker)))
2198 (set-marker gdb-stack-position (point))
2199 (setq move-to gdb-stack-position))
2200 (put-text-property bl (+ bl 4)
2201 'face '(:inverse-video t))
2203 (when (re-search-forward "\\([^ ]+\\) (" el t)
2204 (put-text-property (match-beginning 1) (match-end 1)
2205 'face font-lock-function-name-face)
2206 (setq bl (match-end 0))
2207 (while (re-search-forward "<\\([^>]+\\)>" el t)
2208 (put-text-property (match-beginning 1) (match-end 1)
2209 'face font-lock-function-name-face))
2211 (while (re-search-forward "\\(\\(\\sw\\|[_.]\\)+\\)=" el t)
2212 (put-text-property (match-beginning 1) (match-end 1)
2213 'face font-lock-variable-name-face))))
2216 (when (looking-at "(More stack frames follow...)")
2217 (add-text-properties (match-beginning 0) (match-end 0)
2218 '(mouse-face highlight
2221 "mouse-2, RET: customize gdb-max-frames to see more frames")))))
2222 (when gdb-look-up-stack
2223 (goto-char (point-min))
2224 (when (re-search-forward "\\(\\S-+?\\):\\([0-9]+\\)" nil t)
2225 (let ((start (line-beginning-position))
2226 (file (match-string 1))
2227 (line (match-string 2)))
2228 (re-search-backward "^#*\\([0-9]+\\)" start t)
2230 (list (concat gdb-server-prefix "frame "
2231 (match-string 1) "\n") 'gdb-set-hollow))
2233 (list (concat gdb-server-prefix "frame 0\n") 'ignore))))))
2235 (let ((window (get-buffer-window (current-buffer) 0)))
2237 (with-selected-window window
2239 (unless (pos-visible-in-window-p)
2240 (recenter '(center)))))))))
2241 (if (eq gdb-look-up-stack 'delete)
2242 (kill-buffer (gdb-get-buffer 'gdb-stack-buffer)))
2243 (setq gdb-look-up-stack nil))
2245 (defun gdb-set-hollow ()
2246 (if gud-last-last-frame
2247 (with-current-buffer (gud-find-file (car gud-last-last-frame))
2248 (setq fringe-indicator-alist
2249 '((overlay-arrow . hollow-right-triangle))))))
2251 (defun gdb-stack-buffer-name ()
2252 (with-current-buffer gud-comint-buffer
2253 (concat "*stack frames of " (gdb-get-target-string) "*")))
2255 (defun gdb-display-stack-buffer ()
2256 "Display backtrace of current stack."
2259 (gdb-get-buffer-create 'gdb-stack-buffer) t))
2261 (defun gdb-frame-stack-buffer ()
2262 "Display backtrace of current stack in a new frame."
2264 (let ((special-display-regexps (append special-display-regexps '(".*")))
2265 (special-display-frame-alist gdb-frame-parameters))
2266 (display-buffer (gdb-get-buffer-create 'gdb-stack-buffer))))
2268 (defvar gdb-frames-mode-map
2269 (let ((map (make-sparse-keymap)))
2270 (suppress-keymap map)
2271 (define-key map "q" 'kill-this-buffer)
2272 (define-key map "\r" 'gdb-frames-select)
2273 (define-key map [mouse-2] 'gdb-frames-select)
2274 (define-key map [follow-link] 'mouse-face)
2277 (defun gdb-frames-mode ()
2278 "Major mode for gdb call stack.
2280 \\{gdb-frames-mode-map}"
2281 (kill-all-local-variables)
2282 (setq major-mode 'gdb-frames-mode)
2283 (setq mode-name "Frames")
2284 (setq gdb-stack-position nil)
2285 (add-to-list 'overlay-arrow-variable-list 'gdb-stack-position)
2286 (setq truncate-lines t) ;; Make it easier to see overlay arrow.
2287 (setq buffer-read-only t)
2288 (use-local-map gdb-frames-mode-map)
2289 (run-mode-hooks 'gdb-frames-mode-hook)
2290 (if (eq (buffer-local-value 'gud-minor-mode gud-comint-buffer) 'gdba)
2291 'gdb-invalidate-frames
2292 'gdbmi-invalidate-frames))
2294 (defun gdb-get-frame-number ()
2297 (let* ((start (line-beginning-position))
2298 (pos (re-search-backward "^#*\\([0-9]+\\)" start t))
2299 (n (or (and pos (match-string 1)) "0")))
2302 (defun gdb-frames-select (&optional event)
2303 "Select the frame and display the relevant source."
2304 (interactive (list last-input-event))
2305 (if event (posn-set-point (event-end event)))
2306 (if (get-text-property (point) 'gdb-max-frames)
2308 (message-box "After setting gdb-max-frames, you need to enter\n\
2309 another GDB command e.g pwd, to see new frames")
2310 (customize-variable-other-window 'gdb-max-frames))
2312 (list (concat gdb-server-prefix "frame "
2313 (gdb-get-frame-number) "\n") 'ignore))))
2316 ;; Threads buffer. This displays a selectable thread list.
2318 (gdb-set-buffer-rules 'gdb-threads-buffer
2319 'gdb-threads-buffer-name
2322 (def-gdb-auto-updated-buffer gdb-threads-buffer
2323 gdb-invalidate-threads
2324 (concat gdb-server-prefix "info threads\n")
2325 gdb-info-threads-handler
2326 gdb-info-threads-custom)
2328 (defun gdb-info-threads-custom ()
2329 (with-current-buffer (gdb-get-buffer 'gdb-threads-buffer)
2330 (let ((buffer-read-only nil))
2332 (goto-char (point-min))
2333 (while (< (point) (point-max))
2334 (unless (looking-at "No ")
2335 (add-text-properties (line-beginning-position) (line-end-position)
2336 '(mouse-face highlight
2337 help-echo "mouse-2, RET: select thread")))
2338 (forward-line 1))))))
2340 (defun gdb-threads-buffer-name ()
2341 (with-current-buffer gud-comint-buffer
2342 (concat "*threads of " (gdb-get-target-string) "*")))
2344 (defun gdb-display-threads-buffer ()
2345 "Display IDs of currently known threads."
2348 (gdb-get-buffer-create 'gdb-threads-buffer) t))
2350 (defun gdb-frame-threads-buffer ()
2351 "Display IDs of currently known threads in a new frame."
2353 (let ((special-display-regexps (append special-display-regexps '(".*")))
2354 (special-display-frame-alist gdb-frame-parameters))
2355 (display-buffer (gdb-get-buffer-create 'gdb-threads-buffer))))
2357 (defvar gdb-threads-mode-map
2358 (let ((map (make-sparse-keymap)))
2359 (suppress-keymap map)
2360 (define-key map "q" 'kill-this-buffer)
2361 (define-key map "\r" 'gdb-threads-select)
2362 (define-key map [mouse-2] 'gdb-threads-select)
2363 (define-key map [follow-link] 'mouse-face)
2366 (defvar gdb-threads-font-lock-keywords
2367 '((") +\\([^ ]+\\) (" (1 font-lock-function-name-face))
2368 ("in \\([^ ]+\\) (" (1 font-lock-function-name-face))
2369 ("\\(\\(\\sw\\|[_.]\\)+\\)=" (1 font-lock-variable-name-face)))
2370 "Font lock keywords used in `gdb-threads-mode'.")
2372 (defun gdb-threads-mode ()
2373 "Major mode for gdb threads.
2375 \\{gdb-threads-mode-map}"
2376 (kill-all-local-variables)
2377 (setq major-mode 'gdb-threads-mode)
2378 (setq mode-name "Threads")
2379 (setq buffer-read-only t)
2380 (use-local-map gdb-threads-mode-map)
2381 (set (make-local-variable 'font-lock-defaults)
2382 '(gdb-threads-font-lock-keywords))
2383 (run-mode-hooks 'gdb-threads-mode-hook)
2384 'gdb-invalidate-threads)
2386 (defun gdb-get-thread-number ()
2388 (re-search-backward "^\\s-*\\([0-9]*\\)" nil t)
2389 (match-string-no-properties 1)))
2391 (defun gdb-threads-select (&optional event)
2392 "Select the thread and display the relevant source."
2393 (interactive (list last-input-event))
2394 (if event (posn-set-point (event-end event)))
2396 (list (concat gdb-server-prefix "thread "
2397 (gdb-get-thread-number) "\n") 'ignore))
2398 (gud-display-frame))
2401 ;; Registers buffer.
2403 (defcustom gdb-all-registers nil
2404 "Non-nil means include floating-point registers."
2409 (gdb-set-buffer-rules 'gdb-registers-buffer
2410 'gdb-registers-buffer-name
2411 'gdb-registers-mode)
2413 (def-gdb-auto-updated-buffer gdb-registers-buffer
2414 gdb-invalidate-registers
2416 gdb-server-prefix "info " (if gdb-all-registers "all-") "registers\n")
2417 gdb-info-registers-handler
2418 gdb-info-registers-custom)
2420 (defun gdb-info-registers-custom ()
2421 (with-current-buffer (gdb-get-buffer 'gdb-registers-buffer)
2423 (let ((buffer-read-only nil)
2425 (goto-char (point-min))
2426 (while (< (point) (point-max))
2427 (setq start (line-beginning-position))
2428 (setq end (line-end-position))
2429 (when (looking-at "^[^ ]+")
2430 (unless (string-equal (match-string 0) "The")
2431 (put-text-property start (match-end 0)
2432 'face font-lock-variable-name-face)
2433 (add-text-properties start end
2434 '(help-echo "mouse-2: edit value"
2435 mouse-face highlight))))
2436 (forward-line 1))))))
2438 (defun gdb-edit-register-value (&optional event)
2439 (interactive (list last-input-event))
2441 (if event (posn-set-point (event-end event)))
2443 (let* ((register (current-word))
2444 (value (read-string (format "New value (%s): " register))))
2446 (list (concat gdb-server-prefix "set $" register "=" value "\n")
2449 (defvar gdb-registers-mode-map
2450 (let ((map (make-sparse-keymap)))
2451 (suppress-keymap map)
2452 (define-key map "\r" 'gdb-edit-register-value)
2453 (define-key map [mouse-2] 'gdb-edit-register-value)
2454 (define-key map " " 'gdb-all-registers)
2455 (define-key map "q" 'kill-this-buffer)
2458 (defun gdb-registers-mode ()
2459 "Major mode for gdb registers.
2461 \\{gdb-registers-mode-map}"
2462 (kill-all-local-variables)
2463 (setq major-mode 'gdb-registers-mode)
2464 (setq mode-name "Registers")
2465 (setq buffer-read-only t)
2466 (use-local-map gdb-registers-mode-map)
2467 (run-mode-hooks 'gdb-registers-mode-hook)
2468 (if (string-equal gdb-version "pre-6.4")
2470 (if gdb-all-registers (setq mode-name "Registers:All"))
2471 'gdb-invalidate-registers)
2472 'gdb-invalidate-registers-1))
2474 (defun gdb-registers-buffer-name ()
2475 (with-current-buffer gud-comint-buffer
2476 (concat "*registers of " (gdb-get-target-string) "*")))
2478 (defun gdb-display-registers-buffer ()
2479 "Display integer register contents."
2482 (gdb-get-buffer-create 'gdb-registers-buffer) t))
2484 (defun gdb-frame-registers-buffer ()
2485 "Display integer register contents in a new frame."
2487 (let ((special-display-regexps (append special-display-regexps '(".*")))
2488 (special-display-frame-alist gdb-frame-parameters))
2489 (display-buffer (gdb-get-buffer-create 'gdb-registers-buffer))))
2491 (defun gdb-all-registers ()
2492 "Toggle the display of floating-point registers (pre GDB 6.4 only)."
2494 (when (string-equal gdb-version "pre-6.4")
2495 (if gdb-all-registers
2497 (setq gdb-all-registers nil)
2498 (with-current-buffer (gdb-get-buffer-create 'gdb-registers-buffer)
2499 (setq mode-name "Registers")))
2500 (setq gdb-all-registers t)
2501 (with-current-buffer (gdb-get-buffer-create 'gdb-registers-buffer)
2502 (setq mode-name "Registers:All")))
2503 (message (format "Display of floating-point registers %sabled"
2504 (if gdb-all-registers "en" "dis")))
2505 (gdb-invalidate-registers)))
2510 (defcustom gdb-memory-repeat-count 32
2511 "Number of data items in memory window."
2516 (defcustom gdb-memory-format "x"
2517 "Display format of data items in memory window."
2518 :type '(choice (const :tag "Hexadecimal" "x")
2519 (const :tag "Signed decimal" "d")
2520 (const :tag "Unsigned decimal" "u")
2521 (const :tag "Octal" "o")
2522 (const :tag "Binary" "t"))
2526 (defcustom gdb-memory-unit "w"
2527 "Unit size of data items in memory window."
2528 :type '(choice (const :tag "Byte" "b")
2529 (const :tag "Halfword" "h")
2530 (const :tag "Word" "w")
2531 (const :tag "Giant word" "g"))
2535 (gdb-set-buffer-rules 'gdb-memory-buffer
2536 'gdb-memory-buffer-name
2539 (def-gdb-auto-updated-buffer gdb-memory-buffer
2540 gdb-invalidate-memory
2541 (concat gdb-server-prefix "x/" (number-to-string gdb-memory-repeat-count)
2542 gdb-memory-format gdb-memory-unit " " gdb-memory-address "\n")
2543 gdb-read-memory-handler
2544 gdb-read-memory-custom)
2546 (defun gdb-read-memory-custom ()
2548 (goto-char (point-min))
2549 (if (looking-at "0x[[:xdigit:]]+")
2550 (setq gdb-memory-address (match-string 0)))))
2552 (defvar gdb-memory-mode-map
2553 (let ((map (make-sparse-keymap)))
2554 (suppress-keymap map)
2555 (define-key map "q" 'kill-this-buffer)
2558 (defun gdb-memory-set-address (event)
2559 "Set the start memory address."
2561 (save-selected-window
2562 (select-window (posn-window (event-start event)))
2563 (let ((arg (read-from-minibuffer "Memory address: ")))
2564 (setq gdb-memory-address arg))
2565 (gdb-invalidate-memory)))
2567 (defun gdb-memory-set-repeat-count (event)
2568 "Set the number of data items in memory window."
2570 (save-selected-window
2571 (select-window (posn-window (event-start event)))
2572 (let* ((arg (read-from-minibuffer "Repeat count: "))
2573 (count (string-to-number arg)))
2575 (error "Positive numbers only")
2576 (customize-set-variable 'gdb-memory-repeat-count count)
2577 (gdb-invalidate-memory)))))
2579 (defun gdb-memory-format-binary ()
2580 "Set the display format to binary."
2582 (customize-set-variable 'gdb-memory-format "t")
2583 (gdb-invalidate-memory))
2585 (defun gdb-memory-format-octal ()
2586 "Set the display format to octal."
2588 (customize-set-variable 'gdb-memory-format "o")
2589 (gdb-invalidate-memory))
2591 (defun gdb-memory-format-unsigned ()
2592 "Set the display format to unsigned decimal."
2594 (customize-set-variable 'gdb-memory-format "u")
2595 (gdb-invalidate-memory))
2597 (defun gdb-memory-format-signed ()
2598 "Set the display format to decimal."
2600 (customize-set-variable 'gdb-memory-format "d")
2601 (gdb-invalidate-memory))
2603 (defun gdb-memory-format-hexadecimal ()
2604 "Set the display format to hexadecimal."
2606 (customize-set-variable 'gdb-memory-format "x")
2607 (gdb-invalidate-memory))
2609 (defvar gdb-memory-format-map
2610 (let ((map (make-sparse-keymap)))
2611 (define-key map [header-line down-mouse-3] 'gdb-memory-format-menu-1)
2613 "Keymap to select format in the header line.")
2615 (defvar gdb-memory-format-menu (make-sparse-keymap "Format")
2616 "Menu of display formats in the header line.")
2618 (define-key gdb-memory-format-menu [binary]
2619 '(menu-item "Binary" gdb-memory-format-binary
2620 :button (:radio . (equal gdb-memory-format "t"))))
2621 (define-key gdb-memory-format-menu [octal]
2622 '(menu-item "Octal" gdb-memory-format-octal
2623 :button (:radio . (equal gdb-memory-format "o"))))
2624 (define-key gdb-memory-format-menu [unsigned]
2625 '(menu-item "Unsigned Decimal" gdb-memory-format-unsigned
2626 :button (:radio . (equal gdb-memory-format "u"))))
2627 (define-key gdb-memory-format-menu [signed]
2628 '(menu-item "Signed Decimal" gdb-memory-format-signed
2629 :button (:radio . (equal gdb-memory-format "d"))))
2630 (define-key gdb-memory-format-menu [hexadecimal]
2631 '(menu-item "Hexadecimal" gdb-memory-format-hexadecimal
2632 :button (:radio . (equal gdb-memory-format "x"))))
2634 (defun gdb-memory-format-menu (event)
2636 (x-popup-menu event gdb-memory-format-menu))
2638 (defun gdb-memory-format-menu-1 (event)
2640 (save-selected-window
2641 (select-window (posn-window (event-start event)))
2642 (let* ((selection (gdb-memory-format-menu event))
2643 (binding (and selection (lookup-key gdb-memory-format-menu
2644 (vector (car selection))))))
2645 (if binding (call-interactively binding)))))
2647 (defun gdb-memory-unit-giant ()
2648 "Set the unit size to giant words (eight bytes)."
2650 (customize-set-variable 'gdb-memory-unit "g")
2651 (gdb-invalidate-memory))
2653 (defun gdb-memory-unit-word ()
2654 "Set the unit size to words (four bytes)."
2656 (customize-set-variable 'gdb-memory-unit "w")
2657 (gdb-invalidate-memory))
2659 (defun gdb-memory-unit-halfword ()
2660 "Set the unit size to halfwords (two bytes)."
2662 (customize-set-variable 'gdb-memory-unit "h")
2663 (gdb-invalidate-memory))
2665 (defun gdb-memory-unit-byte ()
2666 "Set the unit size to bytes."
2668 (customize-set-variable 'gdb-memory-unit "b")
2669 (gdb-invalidate-memory))
2671 (defvar gdb-memory-unit-map
2672 (let ((map (make-sparse-keymap)))
2673 (define-key map [header-line down-mouse-3] 'gdb-memory-unit-menu-1)
2675 "Keymap to select units in the header line.")
2677 (defvar gdb-memory-unit-menu (make-sparse-keymap "Unit")
2678 "Menu of units in the header line.")
2680 (define-key gdb-memory-unit-menu [giantwords]
2681 '(menu-item "Giant words" gdb-memory-unit-giant
2682 :button (:radio . (equal gdb-memory-unit "g"))))
2683 (define-key gdb-memory-unit-menu [words]
2684 '(menu-item "Words" gdb-memory-unit-word
2685 :button (:radio . (equal gdb-memory-unit "w"))))
2686 (define-key gdb-memory-unit-menu [halfwords]
2687 '(menu-item "Halfwords" gdb-memory-unit-halfword
2688 :button (:radio . (equal gdb-memory-unit "h"))))
2689 (define-key gdb-memory-unit-menu [bytes]
2690 '(menu-item "Bytes" gdb-memory-unit-byte
2691 :button (:radio . (equal gdb-memory-unit "b"))))
2693 (defun gdb-memory-unit-menu (event)
2695 (x-popup-menu event gdb-memory-unit-menu))
2697 (defun gdb-memory-unit-menu-1 (event)
2699 (save-selected-window
2700 (select-window (posn-window (event-start event)))
2701 (let* ((selection (gdb-memory-unit-menu event))
2702 (binding (and selection (lookup-key gdb-memory-unit-menu
2703 (vector (car selection))))))
2704 (if binding (call-interactively binding)))))
2706 ;;from make-mode-line-mouse-map
2707 (defun gdb-make-header-line-mouse-map (mouse function) "\
2708 Return a keymap with single entry for mouse key MOUSE on the header line.
2709 MOUSE is defined to run function FUNCTION with no args in the buffer
2710 corresponding to the mode line clicked."
2711 (let ((map (make-sparse-keymap)))
2712 (define-key map (vector 'header-line mouse) function)
2713 (define-key map (vector 'header-line 'down-mouse-1) 'ignore)
2716 (defvar gdb-memory-font-lock-keywords
2717 '(;; <__function.name+n>
2718 ("<\\(\\(\\sw\\|[_.]\\)+\\)\\(\\+[0-9]+\\)?>" (1 font-lock-function-name-face))
2720 "Font lock keywords used in `gdb-memory-mode'.")
2722 (defun gdb-memory-mode ()
2723 "Major mode for examining memory.
2725 \\{gdb-memory-mode-map}"
2726 (kill-all-local-variables)
2727 (setq major-mode 'gdb-memory-mode)
2728 (setq mode-name "Memory")
2729 (setq buffer-read-only t)
2730 (use-local-map gdb-memory-mode-map)
2731 (setq header-line-format
2737 'face font-lock-warning-face
2738 'help-echo "mouse-1: decrement address"
2739 'mouse-face 'mode-line-highlight
2741 (gdb-make-header-line-mouse-map
2743 (lambda () (interactive)
2744 (let ((gdb-memory-address
2745 ;; Let GDB do the arithmetic.
2747 gdb-memory-address " - "
2749 (* gdb-memory-repeat-count
2750 (cond ((string= gdb-memory-unit "b") 1)
2751 ((string= gdb-memory-unit "h") 2)
2752 ((string= gdb-memory-unit "w") 4)
2753 ((string= gdb-memory-unit "g") 8)))))))
2754 (gdb-invalidate-memory)))))
2757 'face font-lock-warning-face
2758 'help-echo "mouse-1: increment address"
2759 'mouse-face 'mode-line-highlight
2760 'local-map (gdb-make-header-line-mouse-map
2762 (lambda () (interactive)
2763 (let ((gdb-memory-address nil))
2764 (gdb-invalidate-memory)))))
2766 (propertize gdb-memory-address
2767 'face font-lock-warning-face
2768 'help-echo "mouse-1: set memory address"
2769 'mouse-face 'mode-line-highlight
2770 'local-map (gdb-make-header-line-mouse-map
2772 #'gdb-memory-set-address))
2774 (propertize (number-to-string gdb-memory-repeat-count)
2775 'face font-lock-warning-face
2776 'help-echo "mouse-1: set repeat count"
2777 'mouse-face 'mode-line-highlight
2778 'local-map (gdb-make-header-line-mouse-map
2780 #'gdb-memory-set-repeat-count))
2782 (propertize gdb-memory-format
2783 'face font-lock-warning-face
2784 'help-echo "mouse-3: select display format"
2785 'mouse-face 'mode-line-highlight
2786 'local-map gdb-memory-format-map)
2788 (propertize gdb-memory-unit
2789 'face font-lock-warning-face
2790 'help-echo "mouse-3: select unit size"
2791 'mouse-face 'mode-line-highlight
2792 'local-map gdb-memory-unit-map))))
2793 (set (make-local-variable 'font-lock-defaults)
2794 '(gdb-memory-font-lock-keywords))
2795 (run-mode-hooks 'gdb-memory-mode-hook)
2796 'gdb-invalidate-memory)
2798 (defun gdb-memory-buffer-name ()
2799 (with-current-buffer gud-comint-buffer
2800 (concat "*memory of " (gdb-get-target-string) "*")))
2802 (defun gdb-display-memory-buffer ()
2803 "Display memory contents."
2806 (gdb-get-buffer-create 'gdb-memory-buffer) t))
2808 (defun gdb-frame-memory-buffer ()
2809 "Display memory contents in a new frame."
2811 (let* ((special-display-regexps (append special-display-regexps '(".*")))
2812 (special-display-frame-alist
2813 (cons '(left-fringe . 0)
2814 (cons '(right-fringe . 0)
2815 (cons '(width . 83) gdb-frame-parameters)))))
2816 (display-buffer (gdb-get-buffer-create 'gdb-memory-buffer))))
2821 (gdb-set-buffer-rules 'gdb-locals-buffer
2822 'gdb-locals-buffer-name
2825 (def-gdb-auto-update-trigger gdb-invalidate-locals
2826 (gdb-get-buffer 'gdb-locals-buffer)
2827 "server info locals\n"
2828 gdb-info-locals-handler)
2830 (defvar gdb-locals-watch-map
2831 (let ((map (make-sparse-keymap)))
2832 (suppress-keymap map)
2833 (define-key map "\r" (lambda () (interactive)
2836 (define-key map [mouse-2] (lambda (event) (interactive "e")
2837 (mouse-set-point event)
2841 "Keymap to create watch expression of a complex data type local variable.")
2843 (defconst gdb-struct-string
2844 (concat (propertize "[struct/union]"
2845 'mouse-face 'highlight
2846 'help-echo "mouse-2: create watch expression"
2847 'local-map gdb-locals-watch-map) "\n"))
2849 (defconst gdb-array-string
2850 (concat " " (propertize "[array]"
2851 'mouse-face 'highlight
2852 'help-echo "mouse-2: create watch expression"
2853 'local-map gdb-locals-watch-map) "\n"))
2855 ;; Abbreviate for arrays and structures.
2856 ;; These can be expanded using gud-display.
2857 (defun gdb-info-locals-handler ()
2858 (setq gdb-pending-triggers (delq 'gdb-invalidate-locals
2859 gdb-pending-triggers))
2860 (let ((buf (gdb-get-buffer 'gdb-partial-output-buffer)))
2861 (with-current-buffer buf
2862 (goto-char (point-min))
2863 (while (re-search-forward "^[ }].*\n" nil t)
2864 (replace-match "" nil nil))
2865 (goto-char (point-min))
2866 (while (re-search-forward "{\\(.*=.*\n\\|\n\\)" nil t)
2867 (replace-match gdb-struct-string nil nil))
2868 (goto-char (point-min))
2869 (while (re-search-forward "\\s-*{.*\n" nil t)
2870 (replace-match gdb-array-string nil nil))))
2871 (let ((buf (gdb-get-buffer 'gdb-locals-buffer)))
2873 (with-current-buffer buf
2874 (let* ((window (get-buffer-window buf 0))
2875 (start (window-start window))
2876 (p (window-point window))
2877 (buffer-read-only nil))
2879 (insert-buffer-substring (gdb-get-buffer-create
2880 'gdb-partial-output-buffer))
2881 (set-window-start window start)
2882 (set-window-point window p))
2884 (run-hooks 'gdb-info-locals-hook))
2886 (defvar gdb-locals-mode-map
2887 (let ((map (make-sparse-keymap)))
2888 (suppress-keymap map)
2889 (define-key map "q" 'kill-this-buffer)
2892 (defun gdb-locals-mode ()
2893 "Major mode for gdb locals.
2895 \\{gdb-locals-mode-map}"
2896 (kill-all-local-variables)
2897 (setq major-mode 'gdb-locals-mode)
2898 (setq mode-name (concat "Locals:" gdb-selected-frame))
2899 (setq buffer-read-only t)
2900 (use-local-map gdb-locals-mode-map)
2901 (set (make-local-variable 'font-lock-defaults)
2902 '(gdb-locals-font-lock-keywords))
2903 (run-mode-hooks 'gdb-locals-mode-hook)
2904 (if (and (eq (buffer-local-value 'gud-minor-mode gud-comint-buffer) 'gdba)
2905 (string-equal gdb-version "pre-6.4"))
2906 'gdb-invalidate-locals
2907 'gdb-invalidate-locals-1))
2909 (defun gdb-locals-buffer-name ()
2910 (with-current-buffer gud-comint-buffer
2911 (concat "*locals of " (gdb-get-target-string) "*")))
2913 (defun gdb-display-locals-buffer ()
2914 "Display local variables of current stack and their values."
2917 (gdb-get-buffer-create 'gdb-locals-buffer) t))
2919 (defun gdb-frame-locals-buffer ()
2920 "Display local variables of current stack and their values in a new frame."
2922 (let ((special-display-regexps (append special-display-regexps '(".*")))
2923 (special-display-frame-alist gdb-frame-parameters))
2924 (display-buffer (gdb-get-buffer-create 'gdb-locals-buffer))))
2927 ;;;; Window management
2928 (defun gdb-display-buffer (buf dedicated &optional size)
2929 (let ((answer (get-buffer-window buf 0))
2932 (display-buffer buf nil 0) ;Deiconify the frame if necessary.
2933 ;; The buffer is not yet displayed.
2934 (pop-to-buffer gud-comint-buffer) ;Select the right frame.
2935 (let ((window (get-lru-window)))
2937 (not (memq window `(,(get-buffer-window gud-comint-buffer)
2938 ,gdb-source-window))))
2940 (set-window-buffer window buf)
2941 (setq answer window))
2942 (setq must-split t)))
2944 (let* ((largest (get-largest-window))
2945 (cur-size (window-height largest))
2946 (new-size (and size (< size cur-size) (- cur-size size))))
2947 (setq answer (split-window largest new-size))
2948 (set-window-buffer answer buf)
2949 (set-window-dedicated-p answer dedicated)))
2953 ;;; Shared keymap initialization:
2955 (let ((menu (make-sparse-keymap "GDB-Windows")))
2956 (define-key gud-menu-map [displays]
2957 `(menu-item "GDB-Windows" ,menu
2958 :visible (memq gud-minor-mode '(gdbmi gdba))))
2959 (define-key menu [gdb] '("Gdb" . gdb-display-gdb-buffer))
2960 (define-key menu [threads] '("Threads" . gdb-display-threads-buffer))
2961 (define-key menu [inferior]
2962 '(menu-item "Separate IO" gdb-display-separate-io-buffer
2963 :enable gdb-use-separate-io-buffer))
2964 (define-key menu [memory] '("Memory" . gdb-display-memory-buffer))
2965 (define-key menu [registers] '("Registers" . gdb-display-registers-buffer))
2966 (define-key menu [disassembly]
2967 '("Disassembly" . gdb-display-assembler-buffer))
2968 (define-key menu [breakpoints]
2969 '("Breakpoints" . gdb-display-breakpoints-buffer))
2970 (define-key menu [locals] '("Locals" . gdb-display-locals-buffer))
2971 (define-key menu [frames] '("Stack" . gdb-display-stack-buffer)))
2973 (let ((menu (make-sparse-keymap "GDB-Frames")))
2974 (define-key gud-menu-map [frames]
2975 `(menu-item "GDB-Frames" ,menu
2976 :visible (memq gud-minor-mode '(gdbmi gdba))))
2977 (define-key menu [gdb] '("Gdb" . gdb-frame-gdb-buffer))
2978 (define-key menu [threads] '("Threads" . gdb-frame-threads-buffer))
2979 (define-key menu [memory] '("Memory" . gdb-frame-memory-buffer))
2980 (define-key menu [inferior]
2981 '(menu-item "Separate IO" gdb-frame-separate-io-buffer
2982 :enable gdb-use-separate-io-buffer))
2983 (define-key menu [registers] '("Registers" . gdb-frame-registers-buffer))
2984 (define-key menu [disassembly] '("Disassembly" . gdb-frame-assembler-buffer))
2985 (define-key menu [breakpoints]
2986 '("Breakpoints" . gdb-frame-breakpoints-buffer))
2987 (define-key menu [locals] '("Locals" . gdb-frame-locals-buffer))
2988 (define-key menu [frames] '("Stack" . gdb-frame-stack-buffer)))
2990 (let ((menu (make-sparse-keymap "GDB-UI/MI")))
2991 (define-key gud-menu-map [ui]
2992 `(menu-item (if (eq gud-minor-mode 'gdba) "GDB-UI" "GDB-MI")
2993 ,menu :visible (memq gud-minor-mode '(gdbmi gdba))))
2994 (define-key menu [gdb-find-source-frame]
2995 '(menu-item "Look For Source Frame" gdb-find-source-frame
2996 :visible (eq gud-minor-mode 'gdba)
2997 :help "Toggle look for source frame."
2998 :button (:toggle . gdb-find-source-frame)))
2999 (define-key menu [gdb-use-separate-io]
3000 '(menu-item "Separate IO" gdb-use-separate-io-buffer
3001 :visible (eq gud-minor-mode 'gdba)
3002 :help "Toggle separate IO for debugged program."
3003 :button (:toggle . gdb-use-separate-io-buffer)))
3004 (define-key menu [gdb-many-windows]
3005 '(menu-item "Display Other Windows" gdb-many-windows
3006 :help "Toggle display of locals, stack and breakpoint information"
3007 :button (:toggle . gdb-many-windows)))
3008 (define-key menu [gdb-restore-windows]
3009 '(menu-item "Restore Window Layout" gdb-restore-windows
3010 :help "Restore standard layout for debug session.")))
3012 (defun gdb-frame-gdb-buffer ()
3013 "Display GUD buffer in a new frame."
3015 (let ((special-display-regexps (append special-display-regexps '(".*")))
3016 (special-display-frame-alist
3017 (remove '(menu-bar-lines) (remove '(tool-bar-lines)
3018 gdb-frame-parameters)))
3019 (same-window-regexps nil))
3020 (display-buffer gud-comint-buffer)))
3022 (defun gdb-display-gdb-buffer ()
3023 "Display GUD buffer."
3025 (let ((same-window-regexps nil))
3026 (pop-to-buffer gud-comint-buffer)))
3028 (defun gdb-set-window-buffer (name)
3029 (set-window-buffer (selected-window) (get-buffer name))
3030 (set-window-dedicated-p (selected-window) t))
3032 (defun gdb-setup-windows ()
3033 "Layout the window pattern for `gdb-many-windows'."
3034 (gdb-display-locals-buffer)
3035 (gdb-display-stack-buffer)
3036 (delete-other-windows)
3037 (gdb-display-breakpoints-buffer)
3038 (delete-other-windows)
3040 (pop-to-buffer gud-comint-buffer)
3041 (split-window nil ( / ( * (window-height) 3) 4))
3042 (split-window nil ( / (window-height) 3))
3043 (split-window-horizontally)
3045 (gdb-set-window-buffer (gdb-locals-buffer-name))
3048 (if gud-last-last-frame
3049 (gud-find-file (car gud-last-last-frame))
3051 (gud-find-file gdb-main-file)
3052 ;; Put buffer list in window if we
3053 ;; can't find a source file.
3054 (list-buffers-noselect))))
3055 (setq gdb-source-window (selected-window))
3056 (when gdb-use-separate-io-buffer
3057 (split-window-horizontally)
3059 (gdb-set-window-buffer
3060 (gdb-get-buffer-create 'gdb-inferior-io)))
3062 (gdb-set-window-buffer (gdb-stack-buffer-name))
3063 (split-window-horizontally)
3065 (gdb-set-window-buffer (gdb-breakpoints-buffer-name))
3068 (defun gdb-restore-windows ()
3069 "Restore the basic arrangement of windows used by gdba.
3070 This arrangement depends on the value of `gdb-many-windows'."
3072 (pop-to-buffer gud-comint-buffer) ;Select the right window and frame.
3073 (delete-other-windows)
3074 (if gdb-many-windows
3076 (when (or gud-last-last-frame gdb-show-main)
3080 (if gud-last-last-frame
3081 (gud-find-file (car gud-last-last-frame))
3082 (gud-find-file gdb-main-file)))
3083 (setq gdb-source-window (selected-window))
3087 "Exit a debugging session cleanly.
3088 Kills the gdb buffers, and resets variables and the source buffers."
3089 (dolist (buffer (buffer-list))
3090 (unless (eq buffer gud-comint-buffer)
3091 (with-current-buffer buffer
3092 (if (memq gud-minor-mode '(gdbmi gdba))
3093 (if (string-match "\\` ?\\*.+\\*\\'" (buffer-name))
3095 (gdb-remove-breakpoint-icons (point-min) (point-max) t)
3096 (setq gud-minor-mode nil)
3097 (kill-local-variable 'tool-bar-map)
3098 (kill-local-variable 'gdb-define-alist))))))
3099 (setq gdb-overlay-arrow-position nil)
3100 (setq overlay-arrow-variable-list
3101 (delq 'gdb-overlay-arrow-position overlay-arrow-variable-list))
3102 (setq fringe-indicator-alist '((overlay-arrow . right-triangle)))
3103 (setq gdb-stack-position nil)
3104 (setq overlay-arrow-variable-list
3105 (delq 'gdb-stack-position overlay-arrow-variable-list))
3106 (if (boundp 'speedbar-frame) (speedbar-timer-fn))
3107 (setq gud-running nil)
3108 (setq gdb-active-process nil)
3109 (setq gdb-var-list nil)
3110 (remove-hook 'after-save-hook 'gdb-create-define-alist t))
3112 (defun gdb-source-info ()
3113 "Find the source file where the program starts and displays it with related
3115 (goto-char (point-min))
3116 (if (and (search-forward "Located in " nil t)
3117 (looking-at "\\S-+"))
3118 (setq gdb-main-file (match-string 0)))
3119 (goto-char (point-min))
3120 (if (search-forward "Includes preprocessor macro info." nil t)
3121 (setq gdb-macro-info t))
3122 (if gdb-many-windows
3124 (gdb-get-buffer-create 'gdb-breakpoints-buffer)
3126 (let ((pop-up-windows t))
3127 (display-buffer (gud-find-file gdb-main-file)))))
3130 (defun gdb-get-location (bptno line flag)
3131 "Find the directory containing the relevant source file.
3132 Put in buffer and place breakpoint icon."
3133 (goto-char (point-min))
3134 (catch 'file-not-found
3135 (if (search-forward "Located in " nil t)
3136 (when (looking-at "\\S-+")
3137 (delete (cons bptno "File not found") gdb-location-alist)
3138 (push (cons bptno (match-string 0)) gdb-location-alist))
3140 (unless (assoc bptno gdb-location-alist)
3141 (push (cons bptno "File not found") gdb-location-alist)
3142 (message-box "Cannot find source file for breakpoint location.\n\
3143 Add directory to search path for source files using the GDB command, dir."))
3144 (throw 'file-not-found nil))
3145 (with-current-buffer
3146 (find-file-noselect (match-string 0))
3147 (save-current-buffer
3148 (set (make-local-variable 'gud-minor-mode) 'gdba)
3149 (set (make-local-variable 'tool-bar-map) gud-tool-bar-map))
3150 ;; only want one breakpoint icon at each location
3152 (goto-line (string-to-number line))
3153 (gdb-put-breakpoint-icon (eq flag ?y) bptno)))))
3155 (add-hook 'find-file-hook 'gdb-find-file-hook)
3157 (defun gdb-find-file-hook ()
3158 "Set up buffer for debugging if file is part of the source code
3159 of the current session."
3160 (if (and (buffer-name gud-comint-buffer)
3161 ;; in case gud or gdb-ui is just loaded
3163 (memq (buffer-local-value 'gud-minor-mode gud-comint-buffer)
3165 ;;Pre GDB 6.3 "info sources" doesn't give absolute file name.
3166 (if (member (if (string-equal gdb-version "pre-6.4")
3167 (file-name-nondirectory buffer-file-name)
3169 gdb-source-file-list)
3170 (with-current-buffer (find-buffer-visiting buffer-file-name)
3171 (set (make-local-variable 'gud-minor-mode)
3172 (buffer-local-value 'gud-minor-mode gud-comint-buffer))
3173 (set (make-local-variable 'tool-bar-map) gud-tool-bar-map)))))
3176 (defun gdb-put-string (putstring pos &optional dprop &rest sprops)
3177 "Put string PUTSTRING in front of POS in the current buffer.
3178 PUTSTRING is displayed by putting an overlay into the current buffer with a
3179 `before-string' string that has a `display' property whose value is
3181 (let ((string (make-string 1 ?x))
3182 (buffer (current-buffer)))
3183 (setq putstring (copy-sequence putstring))
3184 (let ((overlay (make-overlay pos pos buffer))
3186 (list (list 'margin 'left-margin) putstring))))
3187 (put-text-property 0 1 'display prop string)
3189 (add-text-properties 0 1 sprops string))
3190 (overlay-put overlay 'put-break t)
3191 (overlay-put overlay 'before-string string))))
3193 ;;from remove-images
3194 (defun gdb-remove-strings (start end &optional buffer)
3195 "Remove strings between START and END in BUFFER.
3196 Remove only strings that were put in BUFFER with calls to `gdb-put-string'.
3197 BUFFER nil or omitted means use the current buffer."
3199 (setq buffer (current-buffer)))
3200 (dolist (overlay (overlays-in start end))
3201 (when (overlay-get overlay 'put-break)
3202 (delete-overlay overlay))))
3204 (defun gdb-put-breakpoint-icon (enabled bptno)
3205 (if (string-match "[0-9+]+\\." bptno)
3206 (setq enabled gdb-parent-bptno-enabled))
3207 (let ((start (- (line-beginning-position) 1))
3208 (end (+ (line-end-position) 1))
3209 (putstring (if enabled "B" "b"))
3210 (source-window (get-buffer-window (current-buffer) 0)))
3211 (add-text-properties
3212 0 1 '(help-echo "mouse-1: clear bkpt, mouse-3: enable/disable bkpt")
3215 (add-text-properties
3216 0 1 `(gdb-bptno ,bptno gdb-enabled t) putstring)
3217 (add-text-properties
3218 0 1 `(gdb-bptno ,bptno gdb-enabled nil) putstring))
3219 (gdb-remove-breakpoint-icons start end)
3220 (if (display-images-p)
3221 (if (>= (or left-fringe-width
3222 (if source-window (car (window-fringes source-window)))
3223 gdb-buffer-fringe-width) 8)
3226 `(left-fringe breakpoint
3229 'breakpoint-disabled))
3231 'gdb-enabled enabled)
3232 (when (< left-margin-width 2)
3233 (save-current-buffer
3234 (setq left-margin-width 2)
3238 left-margin-width right-margin-width))))
3241 (or breakpoint-enabled-icon
3242 (setq breakpoint-enabled-icon
3243 (find-image `((:type xpm :data
3244 ,breakpoint-xpm-data
3245 :ascent 100 :pointer hand)
3247 ,breakpoint-enabled-pbm-data
3248 :ascent 100 :pointer hand)))))
3249 (or breakpoint-disabled-icon
3250 (setq breakpoint-disabled-icon
3251 (find-image `((:type xpm :data
3252 ,breakpoint-xpm-data
3253 :conversion disabled
3254 :ascent 100 :pointer hand)
3256 ,breakpoint-disabled-pbm-data
3257 :ascent 100 :pointer hand))))))
3261 (when (< left-margin-width 2)
3262 (save-current-buffer
3263 (setq left-margin-width 2)
3264 (let ((window (get-buffer-window (current-buffer) 0)))
3267 window left-margin-width right-margin-width)))))
3269 (propertize putstring
3270 'face (if enabled 'breakpoint-enabled 'breakpoint-disabled))
3273 (defun gdb-remove-breakpoint-icons (start end &optional remove-margin)
3274 (gdb-remove-strings start end)
3275 (if (display-images-p)
3276 (remove-images start end))
3278 (setq left-margin-width 0)
3279 (let ((window (get-buffer-window (current-buffer) 0)))
3282 window left-margin-width right-margin-width)))))
3286 ;; Assembler buffer.
3288 (gdb-set-buffer-rules 'gdb-assembler-buffer
3289 'gdb-assembler-buffer-name
3290 'gdb-assembler-mode)
3292 ;; We can't use def-gdb-auto-update-handler because we don't want to use
3293 ;; window-start but keep the overlay arrow/current line visible.
3294 (defun gdb-assembler-handler ()
3295 (setq gdb-pending-triggers
3296 (delq 'gdb-invalidate-assembler
3297 gdb-pending-triggers))
3298 (let ((buf (gdb-get-buffer 'gdb-assembler-buffer)))
3300 (with-current-buffer buf
3301 (let* ((window (get-buffer-window buf 0))
3302 (p (window-point window))
3303 (buffer-read-only nil))
3305 (insert-buffer-substring (gdb-get-buffer-create
3306 'gdb-partial-output-buffer))
3307 (set-window-point window p)))))
3308 ;; put customisation here
3309 (gdb-assembler-custom))
3311 (defun gdb-assembler-custom ()
3312 (let ((buffer (gdb-get-buffer 'gdb-assembler-buffer))
3313 (pos 1) (address) (flag) (bptno))
3314 (with-current-buffer buffer
3316 (if (not (equal gdb-pc-address "main"))
3318 (goto-char (point-min))
3319 (if (and gdb-pc-address
3320 (search-forward gdb-pc-address nil t))
3324 (setq fringe-indicator-alist
3325 (if (string-equal gdb-frame-number "0")
3327 '((overlay-arrow . hollow-right-triangle))))
3328 (or gdb-overlay-arrow-position
3329 (setq gdb-overlay-arrow-position (make-marker)))
3330 (set-marker gdb-overlay-arrow-position (point))))))
3331 ;; remove all breakpoint-icons in assembler buffer before updating.
3332 (gdb-remove-breakpoint-icons (point-min) (point-max))))
3333 (with-current-buffer (gdb-get-buffer 'gdb-breakpoints-buffer)
3334 (goto-char (point-min))
3335 (while (< (point) (- (point-max) 1))
3338 "\\([0-9]+\\.?[0-9]*\\).*?\\s-+\\(.\\)\\s-+0x0*\\(\\S-+\\)")
3339 (setq bptno (match-string 1))
3340 (setq flag (char-after (match-beginning 2)))
3341 (setq address (match-string 3))
3342 (with-current-buffer buffer
3344 (goto-char (point-min))
3345 (if (search-forward address nil t)
3346 (gdb-put-breakpoint-icon (eq flag ?y) bptno)))))))
3347 (if (not (equal gdb-pc-address "main"))
3348 (with-current-buffer buffer
3349 (set-window-point (get-buffer-window buffer 0) pos)))))
3351 (defvar gdb-assembler-mode-map
3352 (let ((map (make-sparse-keymap)))
3353 (suppress-keymap map)
3354 (define-key map "q" 'kill-this-buffer)
3357 (defvar gdb-assembler-font-lock-keywords
3358 '(;; <__function.name+n>
3359 ("<\\(\\(\\sw\\|[_.]\\)+\\)\\(\\+[0-9]+\\)?>"
3360 (1 font-lock-function-name-face))
3361 ;; 0xNNNNNNNN <__function.name+n>: opcode
3362 ("^0x[0-9a-f]+ \\(<\\(\\(\\sw\\|[_.]\\)+\\)\\+[0-9]+>\\)?:[ \t]+\\(\\sw+\\)"
3363 (4 font-lock-keyword-face))
3364 ;; %register(at least i386)
3365 ("%\\sw+" . font-lock-variable-name-face)
3366 ("^\\(Dump of assembler code for function\\) \\(.+\\):"
3367 (1 font-lock-comment-face)
3368 (2 font-lock-function-name-face))
3369 ("^\\(End of assembler dump\\.\\)" . font-lock-comment-face))
3370 "Font lock keywords used in `gdb-assembler-mode'.")
3372 (defun gdb-assembler-mode ()
3373 "Major mode for viewing code assembler.
3375 \\{gdb-assembler-mode-map}"
3376 (kill-all-local-variables)
3377 (setq major-mode 'gdb-assembler-mode)
3378 (setq mode-name (concat "Machine:" gdb-selected-frame))
3379 (setq gdb-overlay-arrow-position nil)
3380 (add-to-list 'overlay-arrow-variable-list 'gdb-overlay-arrow-position)
3381 (setq fringes-outside-margins t)
3382 (setq buffer-read-only t)
3383 (use-local-map gdb-assembler-mode-map)
3384 (gdb-invalidate-assembler)
3385 (set (make-local-variable 'font-lock-defaults)
3386 '(gdb-assembler-font-lock-keywords))
3387 (run-mode-hooks 'gdb-assembler-mode-hook)
3388 'gdb-invalidate-assembler)
3390 (defun gdb-assembler-buffer-name ()
3391 (with-current-buffer gud-comint-buffer
3392 (concat "*disassembly of " (gdb-get-target-string) "*")))
3394 (defun gdb-display-assembler-buffer ()
3395 "Display disassembly view."
3397 (setq gdb-previous-frame nil)
3399 (gdb-get-buffer-create 'gdb-assembler-buffer) t))
3401 (defun gdb-frame-assembler-buffer ()
3402 "Display disassembly view in a new frame."
3404 (setq gdb-previous-frame nil)
3405 (let ((special-display-regexps (append special-display-regexps '(".*")))
3406 (special-display-frame-alist gdb-frame-parameters))
3407 (display-buffer (gdb-get-buffer-create 'gdb-assembler-buffer))))
3409 ;; modified because if gdb-pc-address has changed value a new command
3410 ;; must be enqueued to update the buffer with the new output
3411 (defun gdb-invalidate-assembler (&optional ignored)
3412 (if (gdb-get-buffer 'gdb-assembler-buffer)
3414 (unless (and gdb-selected-frame
3415 (string-equal gdb-selected-frame gdb-previous-frame))
3416 (if (or (not (member 'gdb-invalidate-assembler
3417 gdb-pending-triggers))
3418 (not (string-equal gdb-pc-address
3419 gdb-previous-frame-address)))
3421 ;; take previous disassemble command, if any, off the queue
3422 (with-current-buffer gud-comint-buffer
3423 (let ((queue gdb-input-queue))
3424 (dolist (item queue)
3425 (if (equal (cdr item) '(gdb-assembler-handler))
3426 (setq gdb-input-queue
3427 (delete item gdb-input-queue))))))
3430 (concat gdb-server-prefix "disassemble "
3431 (if (member gdb-pc-address '(nil "main")) nil "0x")
3432 gdb-pc-address "\n")
3433 'gdb-assembler-handler))
3434 (push 'gdb-invalidate-assembler gdb-pending-triggers)
3435 (setq gdb-previous-frame-address gdb-pc-address)
3436 (setq gdb-previous-frame gdb-selected-frame)))))))
3438 (defun gdb-get-selected-frame ()
3439 (if (not (member 'gdb-get-selected-frame gdb-pending-triggers))
3442 (list (concat gdb-server-prefix "info frame\n") 'gdb-frame-handler))
3443 (push 'gdb-get-selected-frame
3444 gdb-pending-triggers))))
3446 (defun gdb-frame-handler ()
3447 (setq gdb-pending-triggers
3448 (delq 'gdb-get-selected-frame gdb-pending-triggers))
3449 (goto-char (point-min))
3450 (when (re-search-forward
3451 "Stack level \\([0-9]+\\), frame at \\(0x[[:xdigit:]]+\\)" nil t)
3452 (setq gdb-frame-number (match-string 1))
3453 (setq gdb-frame-address (match-string 2)))
3454 (goto-char (point-min))
3455 (when (re-search-forward ".*=\\s-+0x0*\\(\\S-*\\)\\s-+in\\s-+\\(.*?\\)\
3456 \\(?: (\\(\\S-+?\\):[0-9]+?)\\)*; "
3458 (setq gdb-selected-frame (match-string 2))
3459 (if (gdb-get-buffer 'gdb-locals-buffer)
3460 (with-current-buffer (gdb-get-buffer 'gdb-locals-buffer)
3461 (setq mode-name (concat "Locals:" gdb-selected-frame))))
3462 (if (gdb-get-buffer 'gdb-assembler-buffer)
3463 (with-current-buffer (gdb-get-buffer 'gdb-assembler-buffer)
3464 (setq mode-name (concat "Machine:" gdb-selected-frame))))
3465 (setq gdb-pc-address (match-string 1))
3466 (if (and (match-string 3) gud-overlay-arrow-position)
3467 (let ((buffer (marker-buffer gud-overlay-arrow-position))
3468 (position (marker-position gud-overlay-arrow-position)))
3470 (string-equal (file-name-nondirectory
3471 (buffer-file-name buffer))
3472 (file-name-nondirectory (match-string 3))))
3473 (with-current-buffer buffer
3474 (setq fringe-indicator-alist
3475 (if (string-equal gdb-frame-number "0")
3477 '((overlay-arrow . hollow-right-triangle))))
3478 (set-marker gud-overlay-arrow-position position))))))
3479 (goto-char (point-min))
3480 (if (re-search-forward " source language \\(\\S-+\\)\." nil t)
3481 (setq gdb-current-language (match-string 1)))
3482 (gdb-invalidate-assembler))
3485 ;; Code specific to GDB 6.4
3486 (defconst gdb-source-file-regexp-1 "fullname=\"\\(.*?\\)\"")
3488 (defun gdb-set-gud-minor-mode-existing-buffers-1 ()
3489 "Create list of source files for current GDB session.
3490 If buffers already exist for any of these files, `gud-minor-mode'
3492 (goto-char (point-min))
3493 (while (re-search-forward gdb-source-file-regexp-1 nil t)
3494 (push (match-string 1) gdb-source-file-list))
3495 (dolist (buffer (buffer-list))
3496 (with-current-buffer buffer
3497 (when (member buffer-file-name gdb-source-file-list)
3498 (set (make-local-variable 'gud-minor-mode)
3499 (buffer-local-value 'gud-minor-mode gud-comint-buffer))
3500 (set (make-local-variable 'tool-bar-map) gud-tool-bar-map)
3501 (when gud-tooltip-mode
3502 (make-local-variable 'gdb-define-alist)
3503 (gdb-create-define-alist)
3504 (add-hook 'after-save-hook 'gdb-create-define-alist nil t)))))
3505 (gdb-force-mode-line-update
3506 (propertize "ready" 'face font-lock-variable-name-face)))
3508 ; Uses "-var-list-children --all-values". Needs GDB 6.4 onwards.
3509 (defun gdb-var-list-children-1 (varnum)
3512 (if (eq (buffer-local-value 'gud-minor-mode gud-comint-buffer) 'gdba)
3513 (concat "server interpreter mi \"-var-list-children --all-values \\\""
3515 (concat "-var-list-children --all-values \"" varnum "\"\n"))
3516 `(lambda () (gdb-var-list-children-handler-1 ,varnum)))))
3518 (defconst gdb-var-list-children-regexp-1
3519 "child={.*?name=\"\\(.+?\\)\",.*?exp=\"\\(.+?\\)\",.*?\
3520 numchild=\"\\(.+?\\)\",.*?value=\\(\".*?\"\\)\
3521 \\(}\\|,.*?\\(type=\"\\(.+?\\)\"\\)?.*?}\\)")
3523 (defun gdb-var-list-children-handler-1 (varnum)
3524 (goto-char (point-min))
3525 (let ((var-list nil))
3526 (catch 'child-already-watched
3527 (dolist (var gdb-var-list)
3528 (if (string-equal varnum (car var))
3531 (while (re-search-forward gdb-var-list-children-regexp-1 nil t)
3532 (let ((varchild (list (match-string 1)
3536 (read (match-string 4))
3538 (if (assoc (car varchild) gdb-var-list)
3539 (throw 'child-already-watched nil))
3540 (push varchild var-list))))
3541 (push var var-list)))
3542 (setq gdb-var-list (nreverse var-list))))
3543 (gdb-speedbar-update))
3545 ; Uses "-var-update --all-values". Needs GDB 6.4 onwards.
3546 (defun gdb-var-update-1 ()
3547 (if (not (member 'gdb-var-update gdb-pending-triggers))
3551 (if (eq (buffer-local-value 'gud-minor-mode gud-comint-buffer) 'gdba)
3552 "server interpreter mi \"-var-update --all-values *\"\n"
3553 "-var-update --all-values *\n")
3554 'gdb-var-update-handler-1))
3555 (push 'gdb-var-update gdb-pending-triggers))))
3557 (defconst gdb-var-update-regexp-1
3558 "{.*?name=\"\\(.*?\\)\",.*?\\(?:value=\\(\".*?\"\\),\\)?.*?\
3559 in_scope=\"\\(.*?\\)\".*?}")
3561 (defun gdb-var-update-handler-1 ()
3562 (dolist (var gdb-var-list)
3563 (setcar (nthcdr 5 var) nil))
3564 (goto-char (point-min))
3565 (while (re-search-forward gdb-var-update-regexp-1 nil t)
3566 (let* ((varnum (match-string 1))
3567 (var (assoc varnum gdb-var-list)))
3569 (let ((match (match-string 3)))
3570 (cond ((string-equal match "false")
3571 (if gdb-delete-out-of-scope
3572 (gdb-var-delete-1 varnum)
3573 (setcar (nthcdr 5 var) 'out-of-scope)))
3574 ((string-equal match "true")
3575 (setcar (nthcdr 5 var) 'changed)
3576 (setcar (nthcdr 4 var)
3577 (read (match-string 2))))
3578 ((string-equal match "invalid")
3579 (gdb-var-delete-1 varnum)))))))
3580 (setq gdb-pending-triggers
3581 (delq 'gdb-var-update gdb-pending-triggers))
3582 (gdb-speedbar-update))
3584 ;; Registers buffer.
3586 (gdb-set-buffer-rules 'gdb-registers-buffer
3587 'gdb-registers-buffer-name
3588 'gdb-registers-mode)
3590 (def-gdb-auto-update-trigger gdb-invalidate-registers-1
3591 (gdb-get-buffer 'gdb-registers-buffer)
3592 (if (eq (buffer-local-value 'gud-minor-mode gud-comint-buffer) 'gdba)
3593 "server interpreter mi \"-data-list-register-values x\"\n"
3594 "-data-list-register-values x\n")
3595 gdb-data-list-register-values-handler)
3597 (defconst gdb-data-list-register-values-regexp
3598 "{.*?number=\"\\(.*?\\)\",.*?value=\"\\(.*?\\)\".*?}")
3600 (defun gdb-data-list-register-values-handler ()
3601 (setq gdb-pending-triggers (delq 'gdb-invalidate-registers-1
3602 gdb-pending-triggers))
3603 (goto-char (point-min))
3604 (if (re-search-forward gdb-error-regexp nil t)
3605 (let ((err (match-string 1)))
3606 (with-current-buffer (gdb-get-buffer 'gdb-registers-buffer)
3607 (let ((buffer-read-only nil))
3609 (put-text-property 0 (length err) 'face font-lock-warning-face err)
3611 (goto-char (point-min)))))
3612 (let ((register-list (reverse gdb-register-names))
3613 (register nil) (register-string nil) (register-values nil))
3614 (goto-char (point-min))
3615 (while (re-search-forward gdb-data-list-register-values-regexp nil t)
3616 (setq register (pop register-list))
3617 (setq register-string (concat register "\t" (match-string 2) "\n"))
3618 (if (member (match-string 1) gdb-changed-registers)
3619 (put-text-property 0 (length register-string)
3620 'face 'font-lock-warning-face
3622 (setq register-values
3623 (concat register-values register-string)))
3624 (let ((buf (gdb-get-buffer 'gdb-registers-buffer)))
3625 (with-current-buffer buf
3626 (let* ((window (get-buffer-window buf 0))
3627 (start (window-start window))
3628 (p (window-point window))
3629 (buffer-read-only nil))
3631 (insert register-values)
3632 (set-window-start window start)
3633 (set-window-point window p))))))
3634 (gdb-data-list-register-values-custom))
3636 (defun gdb-data-list-register-values-custom ()
3637 (with-current-buffer (gdb-get-buffer 'gdb-registers-buffer)
3639 (let ((buffer-read-only nil)
3641 (goto-char (point-min))
3642 (while (< (point) (point-max))
3643 (setq start (line-beginning-position))
3644 (setq end (line-end-position))
3645 (when (looking-at "^[^\t]+")
3646 (unless (string-equal (match-string 0) "No registers.")
3647 (put-text-property start (match-end 0)
3648 'face font-lock-variable-name-face)
3649 (add-text-properties start end
3650 '(help-echo "mouse-2: edit value"
3651 mouse-face highlight))))
3652 (forward-line 1))))))
3654 ;; Needs GDB 6.4 onwards (used to fail with no stack).
3655 (defun gdb-get-changed-registers ()
3656 (if (and (gdb-get-buffer 'gdb-registers-buffer)
3657 (not (member 'gdb-get-changed-registers gdb-pending-triggers)))
3661 (if (eq (buffer-local-value 'gud-minor-mode gud-comint-buffer) 'gdba)
3662 "server interpreter mi -data-list-changed-registers\n"
3663 "-data-list-changed-registers\n")
3664 'gdb-get-changed-registers-handler))
3665 (push 'gdb-get-changed-registers gdb-pending-triggers))))
3667 (defconst gdb-data-list-register-names-regexp "\"\\(.*?\\)\"")
3669 (defun gdb-get-changed-registers-handler ()
3670 (setq gdb-pending-triggers
3671 (delq 'gdb-get-changed-registers gdb-pending-triggers))
3672 (setq gdb-changed-registers nil)
3673 (goto-char (point-min))
3674 (while (re-search-forward gdb-data-list-register-names-regexp nil t)
3675 (push (match-string 1) gdb-changed-registers)))
3680 ;; uses "-stack-list-locals --simple-values". Needs GDB 6.1 onwards.
3681 (gdb-set-buffer-rules 'gdb-locals-buffer
3682 'gdb-locals-buffer-name
3685 (def-gdb-auto-update-trigger gdb-invalidate-locals-1
3686 (gdb-get-buffer 'gdb-locals-buffer)
3687 (if (eq (buffer-local-value 'gud-minor-mode gud-comint-buffer) 'gdba)
3688 "server interpreter mi -\"stack-list-locals --simple-values\"\n"
3689 "-stack-list-locals --simple-values\n")
3690 gdb-stack-list-locals-handler)
3692 (defconst gdb-stack-list-locals-regexp
3693 "{.*?name=\"\\(.*?\\)\",.*?type=\"\\(.*?\\)\"")
3695 (defvar gdb-locals-watch-map-1
3696 (let ((map (make-sparse-keymap)))
3697 (suppress-keymap map)
3698 (define-key map "\r" 'gud-watch)
3699 (define-key map [mouse-2] 'gud-watch)
3701 "Keymap to create watch expression of a complex data type local variable.")
3703 (defvar gdb-edit-locals-map-1
3704 (let ((map (make-sparse-keymap)))
3705 (suppress-keymap map)
3706 (define-key map "\r" 'gdb-edit-locals-value)
3707 (define-key map [mouse-2] 'gdb-edit-locals-value)
3709 "Keymap to edit value of a simple data type local variable.")
3711 (defun gdb-edit-locals-value (&optional event)
3712 "Assign a value to a variable displayed in the locals buffer."
3713 (interactive (list last-input-event))
3715 (if event (posn-set-point (event-end event)))
3717 (let* ((var (current-word))
3718 (value (read-string (format "New value (%s): " var))))
3720 (list (concat gdb-server-prefix"set variable " var " = " value "\n")
3723 ;; Dont display values of arrays or structures.
3724 ;; These can be expanded using gud-watch.
3725 (defun gdb-stack-list-locals-handler ()
3726 (setq gdb-pending-triggers (delq 'gdb-invalidate-locals-1
3727 gdb-pending-triggers))
3728 (goto-char (point-min))
3729 (if (re-search-forward gdb-error-regexp nil t)
3730 (let ((err (match-string 1)))
3731 (with-current-buffer (gdb-get-buffer 'gdb-locals-buffer)
3732 (let ((buffer-read-only nil))
3735 (goto-char (point-min)))))
3736 (let (local locals-list)
3737 (goto-char (point-min))
3738 (while (re-search-forward gdb-stack-list-locals-regexp nil t)
3739 (let ((local (list (match-string 1)
3742 (if (looking-at ",value=\\(\".*\"\\).*?}")
3743 (setcar (nthcdr 2 local) (read (match-string 1))))
3744 (push local locals-list)))
3745 (let ((buf (gdb-get-buffer 'gdb-locals-buffer)))
3746 (and buf (with-current-buffer buf
3747 (let* ((window (get-buffer-window buf 0))
3748 (start (window-start window))
3749 (p (window-point window))
3750 (buffer-read-only nil) (name) (value))
3752 (dolist (local locals-list)
3753 (setq name (car local))
3754 (setq value (nth 2 local))
3756 (string-match "^\\0x" value))
3757 (add-text-properties 0 (length name)
3758 `(mouse-face highlight
3759 help-echo "mouse-2: create watch expression"
3760 local-map ,gdb-locals-watch-map-1)
3762 (add-text-properties 0 (length value)
3763 `(mouse-face highlight
3764 help-echo "mouse-2: edit value"
3765 local-map ,gdb-edit-locals-map-1)
3768 (concat name "\t" (nth 1 local)
3770 (set-window-start window start)
3771 (set-window-point window p))))))))
3773 (defun gdb-get-register-names ()
3774 "Create a list of register names."
3775 (goto-char (point-min))
3776 (setq gdb-register-names nil)
3777 (while (re-search-forward gdb-data-list-register-names-regexp nil t)
3778 (push (match-string 1) gdb-register-names)))
3782 ;; arch-tag: e9fb00c5-74ef-469f-a088-37384caae352
3783 ;;; gdb-ui.el ends here