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ca4e7e14 JI |
1 | /* Startup code for gdbtk. |
2 | Copyright 1994, 1995, 1996, 1997, 1998 Free Software Foundation, Inc. | |
3 | ||
4 | Written by Stu Grossman <grossman@cygnus.com> of Cygnus Support. | |
5 | ||
6 | This file is part of GDB. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
21 | ||
22 | #include "defs.h" | |
23 | #include "symtab.h" | |
24 | #include "inferior.h" | |
25 | #include "command.h" | |
26 | #include "bfd.h" | |
27 | #include "symfile.h" | |
28 | #include "objfiles.h" | |
29 | #include "target.h" | |
30 | #include "gdbcore.h" | |
31 | #include "tracepoint.h" | |
32 | #include "demangle.h" | |
33 | ||
34 | #ifdef _WIN32 | |
35 | #include <winuser.h> | |
36 | #endif | |
37 | ||
38 | #include <sys/stat.h> | |
39 | ||
40 | #include <tcl.h> | |
41 | #include <tk.h> | |
42 | #include <itcl.h> | |
43 | #include <tix.h> | |
44 | #include "guitcl.h" | |
45 | #include "gdbtk.h" | |
46 | ||
47 | #ifdef IDE | |
48 | /* start-sanitize-ide */ | |
49 | #include "event.h" | |
50 | #include "idetcl.h" | |
51 | #include "ilutk.h" | |
52 | /* end-sanitize-ide */ | |
53 | #endif | |
54 | ||
55 | #ifdef ANSI_PROTOTYPES | |
56 | #include <stdarg.h> | |
57 | #else | |
58 | #include <varargs.h> | |
59 | #endif | |
60 | #include <signal.h> | |
61 | #include <fcntl.h> | |
62 | #include <unistd.h> | |
63 | #include <setjmp.h> | |
64 | #include "top.h" | |
65 | #include <sys/ioctl.h> | |
66 | #include "gdb_string.h" | |
67 | #include "dis-asm.h" | |
68 | #include <stdio.h> | |
69 | #include "gdbcmd.h" | |
70 | ||
71 | #include "annotate.h" | |
72 | #include <sys/time.h> | |
73 | ||
74 | int in_fputs = 0; | |
75 | ||
3d64f1e0 KS |
76 | extern int (*ui_load_progress_hook) PARAMS ((char *, unsigned long)); |
77 | extern void (*pre_add_symbol_hook) PARAMS ((char *)); | |
78 | extern void (*post_add_symbol_hook) PARAMS ((void)); | |
79 | extern void (*selected_frame_level_changed_hook) PARAMS ((int)); | |
ca4e7e14 JI |
80 | |
81 | #ifdef __CYGWIN32__ | |
82 | extern void (*ui_loop_hook) PARAMS ((int)); | |
83 | #endif | |
3d64f1e0 | 84 | |
ca4e7e14 JI |
85 | static void gdbtk_create_tracepoint PARAMS ((struct tracepoint *)); |
86 | static void gdbtk_delete_tracepoint PARAMS ((struct tracepoint *)); | |
87 | static void gdbtk_modify_tracepoint PARAMS ((struct tracepoint *)); | |
88 | static void gdbtk_create_breakpoint PARAMS ((struct breakpoint *)); | |
89 | static void gdbtk_delete_breakpoint PARAMS ((struct breakpoint *)); | |
90 | static void gdbtk_modify_breakpoint PARAMS ((struct breakpoint *)); | |
91 | static void tk_command_loop PARAMS ((void)); | |
92 | static void gdbtk_call_command PARAMS ((struct cmd_list_element *, char *, int)); | |
93 | static int gdbtk_wait PARAMS ((int, struct target_waitstatus *)); | |
94 | void x_event PARAMS ((int)); | |
95 | static int gdbtk_query PARAMS ((const char *, va_list)); | |
96 | static void gdbtk_warning PARAMS ((const char *, va_list)); | |
97 | void gdbtk_ignorable_warning PARAMS ((const char *)); | |
98 | static char* gdbtk_readline PARAMS ((char *)); | |
99 | static void | |
100 | #ifdef ANSI_PROTOTYPES | |
101 | gdbtk_readline_begin (char *format, ...); | |
102 | #else | |
103 | gdbtk_readline_begin (); | |
104 | #endif | |
105 | static void gdbtk_readline_end PARAMS ((void)); | |
106 | static void gdbtk_flush PARAMS ((FILE *)); | |
107 | static void gdbtk_pre_add_symbol PARAMS ((char *)); | |
108 | static void gdbtk_print_frame_info PARAMS ((struct symtab *, int, int, int)); | |
109 | static void gdbtk_post_add_symbol PARAMS ((void)); | |
110 | static void pc_changed PARAMS ((void)); | |
111 | static void tracepoint_notify PARAMS ((struct tracepoint *, const char *)); | |
3d64f1e0 | 112 | static void gdbtk_selected_frame_changed PARAMS ((int)); |
ca4e7e14 JI |
113 | |
114 | /* | |
115 | * gdbtk_fputs can't be static, because we need to call it in gdbtk.c. | |
116 | * See note there for details. | |
117 | */ | |
118 | ||
119 | void gdbtk_fputs PARAMS ((const char *, FILE *)); | |
120 | int gdbtk_load_hash PARAMS ((char *, unsigned long)); | |
121 | static void breakpoint_notify PARAMS ((struct breakpoint *, const char *)); | |
122 | ||
123 | /* | |
124 | * gdbtk_add_hooks - add all the hooks to gdb. This will get called by the | |
125 | * startup code to fill in the hooks needed by core gdb. | |
126 | */ | |
127 | ||
128 | void | |
129 | gdbtk_add_hooks(void) | |
130 | { | |
131 | command_loop_hook = tk_command_loop; | |
132 | call_command_hook = gdbtk_call_command; | |
133 | readline_begin_hook = gdbtk_readline_begin; | |
134 | readline_hook = gdbtk_readline; | |
135 | readline_end_hook = gdbtk_readline_end; | |
136 | ||
137 | print_frame_info_listing_hook = gdbtk_print_frame_info; | |
138 | query_hook = gdbtk_query; | |
139 | warning_hook = gdbtk_warning; | |
140 | flush_hook = gdbtk_flush; | |
141 | ||
142 | create_breakpoint_hook = gdbtk_create_breakpoint; | |
143 | delete_breakpoint_hook = gdbtk_delete_breakpoint; | |
144 | modify_breakpoint_hook = gdbtk_modify_breakpoint; | |
145 | ||
146 | interactive_hook = gdbtk_interactive; | |
147 | target_wait_hook = gdbtk_wait; | |
148 | ui_load_progress_hook = gdbtk_load_hash; | |
149 | #ifdef __CYGWIN32__ | |
150 | ui_loop_hook = x_event; | |
151 | #endif | |
152 | pre_add_symbol_hook = gdbtk_pre_add_symbol; | |
153 | post_add_symbol_hook = gdbtk_post_add_symbol; | |
154 | ||
155 | create_tracepoint_hook = gdbtk_create_tracepoint; | |
156 | delete_tracepoint_hook = gdbtk_delete_tracepoint; | |
157 | modify_tracepoint_hook = gdbtk_modify_tracepoint; | |
158 | pc_changed_hook = pc_changed; | |
3d64f1e0 KS |
159 | selected_frame_level_changed_hook = gdbtk_selected_frame_changed; |
160 | ||
ca4e7e14 JI |
161 | } |
162 | ||
163 | /* These control where to put the gdb output which is created by | |
164 | {f}printf_{un}filtered and friends. gdbtk_fputs and gdbtk_flush are the | |
165 | lowest level of these routines and capture all output from the rest of GDB. | |
166 | ||
167 | The reason to use the result_ptr rather than the gdbtk_interp's result | |
168 | directly is so that a call_wrapper invoked function can preserve its result | |
169 | across calls into Tcl which might be made in the course of the function's | |
170 | execution. | |
171 | ||
172 | * result_ptr->obj_ptr is where to accumulate the result. | |
173 | * GDBTK_TO_RESULT flag means the output goes to the gdbtk_tcl_fputs proc | |
174 | instead of to the result_ptr. | |
175 | * GDBTK_MAKES_LIST flag means add to the result as a list element. | |
176 | ||
177 | */ | |
178 | ||
179 | gdbtk_result *result_ptr = NULL; | |
180 | \f | |
181 | ||
182 | /* This allows you to Tcl_Eval a tcl command which takes | |
183 | a command word, and then a single argument. */ | |
184 | ||
185 | int gdbtk_two_elem_cmd (cmd_name, argv1) | |
186 | char *cmd_name; | |
187 | char * argv1; | |
188 | { | |
189 | char *command; | |
190 | int result, flags_ptr, arg_len, cmd_len; | |
191 | ||
192 | arg_len = Tcl_ScanElement (argv1, &flags_ptr); | |
193 | cmd_len = strlen (cmd_name); | |
194 | command = malloc(arg_len + cmd_len + 2); | |
195 | strcpy (command, cmd_name); | |
196 | strcat (command, " "); | |
197 | ||
198 | Tcl_ConvertElement (argv1, command + cmd_len + 1, flags_ptr); | |
199 | ||
200 | result = Tcl_Eval (gdbtk_interp, command); | |
201 | free (command); | |
202 | return result; | |
203 | ||
204 | } | |
205 | ||
206 | static void | |
207 | gdbtk_flush (stream) | |
208 | FILE *stream; | |
209 | { | |
210 | #if 0 | |
211 | /* Force immediate screen update */ | |
212 | ||
213 | Tcl_VarEval (gdbtk_interp, "gdbtk_tcl_flush", NULL); | |
214 | #endif | |
215 | } | |
216 | ||
217 | /* This handles all the output from gdb. All the gdb printf_xxx functions | |
218 | * eventually end up here. The output is either passed to the result_ptr | |
219 | * where it will go to the result of some gdbtk command, or passed to the | |
220 | * Tcl proc gdbtk_tcl_fputs (where it is usually just dumped to the console | |
221 | * window. | |
222 | * | |
223 | * The cases are: | |
224 | * | |
225 | * 1) result_ptr == NULL - This happens when some output comes from gdb which | |
f3b86a30 | 226 | * is not generated by a command in gdbtk-cmds, usually startup stuff. |
ca4e7e14 JI |
227 | * In this case we just route the data to gdbtk_tcl_fputs. |
228 | * 2) The GDBTK_TO_RESULT flag is set - The result is supposed to go to Tcl. | |
229 | * We place the data into the result_ptr, either as a string, | |
230 | * or a list, depending whether the GDBTK_MAKES_LIST bit is set. | |
231 | * 3) The GDBTK_TO_RESULT flag is unset - We route the data to gdbtk_tcl_fputs | |
232 | * UNLESS it was coming to stderr. Then we place it in the result_ptr | |
233 | * anyway, so it can be dealt with. | |
234 | * | |
235 | */ | |
236 | ||
237 | void | |
238 | gdbtk_fputs (ptr, stream) | |
239 | const char *ptr; | |
240 | FILE *stream; | |
241 | { | |
242 | in_fputs = 1; | |
243 | ||
244 | if (result_ptr != NULL) | |
245 | { | |
246 | if (result_ptr->flags & GDBTK_TO_RESULT) | |
247 | { | |
248 | if (result_ptr->flags & GDBTK_MAKES_LIST) | |
249 | Tcl_ListObjAppendElement(NULL, result_ptr->obj_ptr, | |
250 | Tcl_NewStringObj((char *) ptr, -1)); | |
251 | else | |
252 | Tcl_AppendToObj (result_ptr->obj_ptr, (char *) ptr, -1); | |
253 | } | |
254 | else if (stream == gdb_stderr) | |
255 | { | |
256 | if (result_ptr->flags & GDBTK_ERROR_STARTED) | |
257 | Tcl_AppendToObj (result_ptr->obj_ptr, (char *) ptr, -1); | |
258 | else | |
259 | { | |
260 | Tcl_SetStringObj (result_ptr->obj_ptr, (char *) ptr, -1); | |
261 | result_ptr->flags |= GDBTK_ERROR_STARTED; | |
262 | } | |
263 | } | |
264 | else | |
265 | { | |
266 | gdbtk_two_elem_cmd ("gdbtk_tcl_fputs", (char *) ptr); | |
267 | if (result_ptr->flags & GDBTK_MAKES_LIST) | |
268 | gdbtk_two_elem_cmd ("gdbtk_tcl_fputs", " "); | |
269 | } | |
270 | } | |
271 | else | |
272 | { | |
273 | gdbtk_two_elem_cmd ("gdbtk_tcl_fputs", (char *) ptr); | |
274 | } | |
275 | ||
276 | in_fputs = 0; | |
277 | } | |
278 | ||
279 | /* | |
280 | * This routes all warnings to the Tcl function "gdbtk_tcl_warning". | |
281 | */ | |
282 | ||
283 | static void | |
284 | gdbtk_warning (warning, args) | |
285 | const char *warning; | |
286 | va_list args; | |
287 | { | |
288 | char buf[200]; | |
289 | ||
290 | vsprintf (buf, warning, args); | |
291 | gdbtk_two_elem_cmd ("gdbtk_tcl_warning", buf); | |
292 | ||
293 | } | |
294 | ||
295 | /* | |
296 | * This routes all ignorable warnings to the Tcl function | |
297 | * "gdbtk_tcl_ignorable_warning". | |
298 | */ | |
299 | ||
300 | void | |
301 | gdbtk_ignorable_warning (warning) | |
302 | const char *warning; | |
303 | { | |
6f5af15b | 304 | char buf[512]; |
ca4e7e14 JI |
305 | sprintf (buf, warning); |
306 | gdbtk_two_elem_cmd ("gdbtk_tcl_ignorable_warning", buf); | |
ca4e7e14 JI |
307 | } |
308 | ||
ca4e7e14 JI |
309 | static void |
310 | pc_changed() | |
311 | { | |
312 | Tcl_Eval (gdbtk_interp, "gdbtk_pc_changed"); | |
313 | } | |
314 | ||
315 | \f | |
316 | /* This function is called instead of gdb's internal command loop. This is the | |
317 | last chance to do anything before entering the main Tk event loop. | |
318 | At the end of the command, we enter the main loop. */ | |
319 | ||
320 | static void | |
321 | tk_command_loop () | |
322 | { | |
323 | extern GDB_FILE *instream; | |
324 | ||
325 | /* We no longer want to use stdin as the command input stream */ | |
326 | instream = NULL; | |
327 | ||
328 | if (Tcl_Eval (gdbtk_interp, "gdbtk_tcl_preloop") != TCL_OK) | |
329 | { | |
330 | char *msg; | |
331 | ||
332 | /* Force errorInfo to be set up propertly. */ | |
333 | Tcl_AddErrorInfo (gdbtk_interp, ""); | |
334 | ||
335 | msg = Tcl_GetVar (gdbtk_interp, "errorInfo", TCL_GLOBAL_ONLY); | |
336 | #ifdef _WIN32 | |
337 | MessageBox (NULL, msg, NULL, MB_OK | MB_ICONERROR | MB_TASKMODAL); | |
338 | #else | |
339 | fputs_unfiltered (msg, gdb_stderr); | |
340 | #endif | |
341 | } | |
342 | ||
343 | #ifdef _WIN32 | |
344 | close_bfds (); | |
345 | #endif | |
346 | ||
347 | Tk_MainLoop (); | |
348 | } | |
349 | ||
350 | /* Come here when there is activity on the X file descriptor. */ | |
351 | ||
352 | void | |
353 | x_event (signo) | |
354 | int signo; | |
355 | { | |
356 | static int in_x_event = 0; | |
357 | static Tcl_Obj *varname = NULL; | |
358 | if (in_x_event || in_fputs) | |
359 | return; | |
360 | ||
361 | in_x_event = 1; | |
362 | ||
363 | #ifdef __CYGWIN32__ | |
364 | if (signo == -2) | |
365 | gdbtk_stop_timer (); | |
366 | #endif | |
367 | ||
368 | /* Process pending events */ | |
369 | while (Tcl_DoOneEvent (TCL_DONT_WAIT|TCL_ALL_EVENTS) != 0) | |
370 | ; | |
371 | ||
372 | if (load_in_progress) | |
373 | { | |
374 | int val; | |
375 | if (varname == NULL) | |
376 | { | |
377 | Tcl_Obj *varnamestrobj = Tcl_NewStringObj("download_cancel_ok",-1); | |
378 | varname = Tcl_ObjGetVar2(gdbtk_interp,varnamestrobj,NULL,TCL_GLOBAL_ONLY); | |
379 | } | |
380 | if ((Tcl_GetIntFromObj(gdbtk_interp,varname,&val) == TCL_OK) && val) | |
381 | { | |
382 | quit_flag = 1; | |
383 | #ifdef REQUEST_QUIT | |
384 | REQUEST_QUIT; | |
385 | #else | |
386 | if (immediate_quit) | |
387 | quit (); | |
388 | #endif | |
389 | } | |
390 | } | |
391 | in_x_event = 0; | |
392 | } | |
393 | ||
394 | /* VARARGS */ | |
395 | static void | |
396 | #ifdef ANSI_PROTOTYPES | |
397 | gdbtk_readline_begin (char *format, ...) | |
398 | #else | |
399 | gdbtk_readline_begin (va_alist) | |
400 | va_dcl | |
401 | #endif | |
402 | { | |
403 | va_list args; | |
6f5af15b | 404 | char buf[200]; |
ca4e7e14 JI |
405 | |
406 | #ifdef ANSI_PROTOTYPES | |
407 | va_start (args, format); | |
408 | #else | |
409 | char *format; | |
410 | va_start (args); | |
411 | format = va_arg (args, char *); | |
412 | #endif | |
413 | ||
414 | vsprintf (buf, format, args); | |
415 | gdbtk_two_elem_cmd ("gdbtk_tcl_readline_begin", buf); | |
416 | ||
417 | } | |
418 | ||
419 | static char * | |
420 | gdbtk_readline (prompt) | |
421 | char *prompt; | |
422 | { | |
423 | int result; | |
424 | ||
425 | #ifdef _WIN32 | |
426 | close_bfds (); | |
427 | #endif | |
428 | ||
429 | result = gdbtk_two_elem_cmd ("gdbtk_tcl_readline", prompt); | |
430 | ||
431 | if (result == TCL_OK) | |
432 | { | |
433 | return (strdup (gdbtk_interp -> result)); | |
434 | } | |
435 | else | |
436 | { | |
437 | gdbtk_fputs (gdbtk_interp -> result, gdb_stdout); | |
438 | gdbtk_fputs ("\n", gdb_stdout); | |
439 | return (NULL); | |
440 | } | |
441 | } | |
442 | ||
443 | static void | |
444 | gdbtk_readline_end () | |
445 | { | |
446 | Tcl_Eval (gdbtk_interp, "gdbtk_tcl_readline_end"); | |
447 | } | |
448 | ||
449 | static void | |
450 | gdbtk_call_command (cmdblk, arg, from_tty) | |
451 | struct cmd_list_element *cmdblk; | |
452 | char *arg; | |
453 | int from_tty; | |
454 | { | |
455 | running_now = 0; | |
456 | if (cmdblk->class == class_run || cmdblk->class == class_trace) | |
457 | { | |
458 | ||
3d64f1e0 KS |
459 | /* HACK! HACK! This is to get the gui to update the tstart/tstop |
460 | button only incase of tstart/tstop commands issued from the console | |
461 | We don't want to update the src window, so we need to have specific | |
462 | procedures to do tstart and tstop | |
463 | Unfortunately this will not display errors from tstart or tstop in the | |
464 | console window itself, but as dialogs.*/ | |
ca4e7e14 JI |
465 | |
466 | if (!strcmp(cmdblk->name, "tstart") && !No_Update) | |
467 | { | |
3d64f1e0 KS |
468 | Tcl_Eval (gdbtk_interp, "gdbtk_tcl_tstart"); |
469 | (*cmdblk->function.cfunc)(arg, from_tty); | |
ca4e7e14 JI |
470 | } |
471 | else if (!strcmp(cmdblk->name, "tstop") && !No_Update) | |
3d64f1e0 KS |
472 | { |
473 | Tcl_Eval (gdbtk_interp, "gdbtk_tcl_tstop"); | |
474 | (*cmdblk->function.cfunc)(arg, from_tty); | |
475 | } | |
476 | /* end of hack */ | |
477 | else | |
478 | { | |
479 | running_now = 1; | |
480 | if (!No_Update) | |
481 | Tcl_Eval (gdbtk_interp, "gdbtk_tcl_busy"); | |
482 | (*cmdblk->function.cfunc)(arg, from_tty); | |
483 | running_now = 0; | |
484 | if (!No_Update) | |
485 | Tcl_Eval (gdbtk_interp, "gdbtk_tcl_idle"); | |
486 | } | |
ca4e7e14 JI |
487 | } |
488 | else | |
489 | (*cmdblk->function.cfunc)(arg, from_tty); | |
490 | } | |
491 | ||
492 | /* The next three functions use breakpoint_notify to allow the GUI | |
493 | * to handle creating, deleting and modifying breakpoints. These three | |
494 | * functions are put into the appropriate gdb hooks in gdbtk_init. | |
495 | */ | |
496 | ||
497 | static void | |
498 | gdbtk_create_breakpoint(b) | |
499 | struct breakpoint *b; | |
500 | { | |
501 | breakpoint_notify (b, "create"); | |
502 | } | |
503 | ||
504 | static void | |
505 | gdbtk_delete_breakpoint(b) | |
506 | struct breakpoint *b; | |
507 | { | |
508 | breakpoint_notify (b, "delete"); | |
509 | } | |
510 | ||
511 | static void | |
512 | gdbtk_modify_breakpoint(b) | |
513 | struct breakpoint *b; | |
514 | { | |
515 | breakpoint_notify (b, "modify"); | |
516 | } | |
517 | ||
518 | /* This is the generic function for handling changes in | |
519 | * a breakpoint. It routes the information to the Tcl | |
520 | * command "gdbtk_tcl_breakpoint" in the form: | |
521 | * gdbtk_tcl_breakpoint action b_number b_address b_line b_file | |
522 | * On error, the error string is written to gdb_stdout. | |
523 | */ | |
524 | ||
525 | static void | |
526 | breakpoint_notify(b, action) | |
527 | struct breakpoint *b; | |
528 | const char *action; | |
529 | { | |
530 | char buf[256]; | |
531 | int v; | |
532 | struct symtab_and_line sal; | |
533 | char *filename; | |
534 | ||
535 | if (b->type != bp_breakpoint) | |
536 | return; | |
537 | ||
538 | /* We ensure that ACTION contains no special Tcl characters, so we | |
539 | can do this. */ | |
540 | sal = find_pc_line (b->address, 0); | |
541 | filename = symtab_to_filename (sal.symtab); | |
542 | if (filename == NULL) | |
543 | filename = ""; | |
544 | ||
545 | sprintf (buf, "gdbtk_tcl_breakpoint %s %d 0x%lx %d {%s}", action, b->number, | |
546 | (long)b->address, b->line_number, filename); | |
547 | ||
548 | v = Tcl_Eval (gdbtk_interp, buf); | |
549 | ||
550 | if (v != TCL_OK) | |
551 | { | |
552 | gdbtk_fputs (Tcl_GetStringResult (gdbtk_interp), gdb_stdout); | |
553 | gdbtk_fputs ("\n", gdb_stdout); | |
554 | } | |
555 | } | |
556 | ||
557 | int | |
558 | gdbtk_load_hash (section, num) | |
559 | char *section; | |
560 | unsigned long num; | |
561 | { | |
562 | char buf[128]; | |
563 | sprintf (buf, "download_hash %s %ld", section, num); | |
564 | Tcl_Eval (gdbtk_interp, buf); | |
565 | return atoi (gdbtk_interp->result); | |
566 | } | |
567 | ||
568 | ||
569 | /* This hook is called whenever we are ready to load a symbol file so that | |
570 | the UI can notify the user... */ | |
571 | static void | |
572 | gdbtk_pre_add_symbol (name) | |
573 | char *name; | |
574 | { | |
575 | ||
576 | gdbtk_two_elem_cmd("gdbtk_tcl_pre_add_symbol", name); | |
577 | ||
578 | } | |
579 | ||
580 | /* This hook is called whenever we finish loading a symbol file. */ | |
581 | static void | |
582 | gdbtk_post_add_symbol () | |
583 | { | |
584 | Tcl_Eval (gdbtk_interp, "gdbtk_tcl_post_add_symbol"); | |
585 | } | |
586 | ||
587 | /* This hook function is called whenever we want to wait for the | |
588 | target. */ | |
589 | ||
590 | static int | |
591 | gdbtk_wait (pid, ourstatus) | |
592 | int pid; | |
593 | struct target_waitstatus *ourstatus; | |
594 | { | |
595 | gdbtk_start_timer (); | |
596 | pid = target_wait (pid, ourstatus); | |
597 | gdbtk_stop_timer (); | |
598 | return pid; | |
599 | } | |
600 | ||
601 | /* | |
602 | * This handles all queries from gdb. | |
603 | * The first argument is a printf style format statement, the rest are its | |
604 | * arguments. The resultant formatted string is passed to the Tcl function | |
605 | * "gdbtk_tcl_query". | |
606 | * It returns the users response to the query, as well as putting the value | |
607 | * in the result field of the Tcl interpreter. | |
608 | */ | |
609 | ||
610 | static int | |
611 | gdbtk_query (query, args) | |
612 | const char *query; | |
613 | va_list args; | |
614 | { | |
615 | char buf[200]; | |
616 | long val; | |
617 | ||
618 | vsprintf (buf, query, args); | |
619 | gdbtk_two_elem_cmd ("gdbtk_tcl_query", buf); | |
620 | ||
621 | val = atol (gdbtk_interp->result); | |
622 | return val; | |
623 | } | |
624 | ||
625 | ||
626 | static void | |
627 | gdbtk_print_frame_info (s, line, stopline, noerror) | |
628 | struct symtab *s; | |
629 | int line; | |
630 | int stopline; | |
631 | int noerror; | |
632 | { | |
633 | current_source_symtab = s; | |
634 | current_source_line = line; | |
635 | } | |
636 | ||
637 | static void | |
638 | gdbtk_create_tracepoint (tp) | |
639 | struct tracepoint *tp; | |
640 | { | |
641 | tracepoint_notify (tp, "create"); | |
642 | } | |
643 | ||
644 | static void | |
645 | gdbtk_delete_tracepoint (tp) | |
646 | struct tracepoint *tp; | |
647 | { | |
648 | tracepoint_notify (tp, "delete"); | |
649 | } | |
650 | ||
651 | static void | |
652 | gdbtk_modify_tracepoint (tp) | |
653 | struct tracepoint *tp; | |
654 | { | |
655 | tracepoint_notify (tp, "modify"); | |
656 | } | |
657 | ||
658 | static void | |
659 | tracepoint_notify(tp, action) | |
660 | struct tracepoint *tp; | |
661 | const char *action; | |
662 | { | |
663 | char buf[256]; | |
664 | int v; | |
665 | struct symtab_and_line sal; | |
666 | char *filename; | |
667 | ||
668 | /* We ensure that ACTION contains no special Tcl characters, so we | |
669 | can do this. */ | |
670 | sal = find_pc_line (tp->address, 0); | |
671 | ||
672 | filename = symtab_to_filename (sal.symtab); | |
673 | if (filename == NULL) | |
674 | filename = "N/A"; | |
6f5af15b | 675 | sprintf (buf, "gdbtk_tcl_tracepoint %s %d 0x%lx %d {%s} %d", action, tp->number, |
ca4e7e14 JI |
676 | (long)tp->address, sal.line, filename, tp->pass_count); |
677 | ||
678 | v = Tcl_Eval (gdbtk_interp, buf); | |
679 | ||
680 | if (v != TCL_OK) | |
681 | { | |
682 | gdbtk_fputs (gdbtk_interp->result, gdb_stdout); | |
683 | gdbtk_fputs ("\n", gdb_stdout); | |
684 | } | |
685 | } | |
686 | ||
3d64f1e0 KS |
687 | static void |
688 | gdbtk_selected_frame_changed (level) | |
689 | int level; | |
690 | { | |
691 | Tcl_UpdateLinkedVar (gdbtk_interp, "gdb_selected_frame_level"); | |
692 | } |