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f377b406 SC |
1 | /* TUI display locator. |
2 | Copyright 1998, 1999, 2000, 2001 Free Software Foundation, Inc. | |
3 | Contributed by Hewlett-Packard Company. | |
4 | ||
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 59 Temple Place - Suite 330, | |
20 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
21 | |
22 | #include "defs.h" | |
23 | #include "symtab.h" | |
24 | #include "breakpoint.h" | |
25 | #include "frame.h" | |
26 | ||
27 | #include "tui.h" | |
28 | #include "tuiData.h" | |
29 | #include "tuiStack.h" | |
30 | #include "tuiSourceWin.h" | |
31 | ||
32 | ||
33 | /***************************************** | |
34 | ** STATIC LOCAL FUNCTIONS FORWARD DECLS ** | |
35 | ******************************************/ | |
36 | ||
a14ed312 KB |
37 | static char *_getFuncNameFromFrame (struct frame_info *); |
38 | static void _tuiUpdateLocation_command (char *, int); | |
c906108c SS |
39 | |
40 | ||
41 | ||
42 | /***************************************** | |
43 | ** PUBLIC FUNCTION ** | |
44 | ******************************************/ | |
45 | ||
46 | /* | |
c5aa993b JM |
47 | ** tuiClearLocatorDisplay() |
48 | */ | |
c906108c SS |
49 | void |
50 | #ifdef __STDC__ | |
51 | tuiClearLocatorDisplay (void) | |
52 | #else | |
53 | tuiClearLocatorDisplay () | |
54 | #endif | |
55 | { | |
56 | TuiGenWinInfoPtr locator = locatorWinInfoPtr (); | |
57 | int i; | |
58 | ||
59 | if (locator->handle != (WINDOW *) NULL) | |
60 | { | |
61 | /* No need to werase, since writing a line of | |
62 | * blanks which we do below, is equivalent. | |
c5aa993b | 63 | */ |
c906108c SS |
64 | /* werase(locator->handle); */ |
65 | wmove (locator->handle, 0, 0); | |
66 | wstandout (locator->handle); | |
67 | for (i = 0; i < locator->width; i++) | |
68 | waddch (locator->handle, ' '); | |
69 | wstandend (locator->handle); | |
70 | tuiRefreshWin (locator); | |
71 | wmove (locator->handle, 0, 0); | |
72 | locator->contentInUse = FALSE; | |
73 | } | |
74 | ||
75 | return; | |
76 | } /* tuiClearLocatorDisplay */ | |
77 | ||
78 | ||
79 | /* | |
c5aa993b JM |
80 | ** tuiShowLocatorContent() |
81 | */ | |
c906108c SS |
82 | void |
83 | #ifdef __STDC__ | |
84 | tuiShowLocatorContent (void) | |
85 | #else | |
86 | tuiShowLocatorContent () | |
87 | #endif | |
88 | { | |
89 | char *string; | |
90 | TuiGenWinInfoPtr locator; | |
91 | ||
92 | locator = locatorWinInfoPtr (); | |
93 | ||
94 | if (m_genWinPtrNotNull (locator) && locator->handle != (WINDOW *) NULL) | |
95 | { | |
96 | string = displayableWinContentAt (locator, 0); | |
97 | if (string != (char *) NULL) | |
98 | { | |
99 | wmove (locator->handle, 0, 0); | |
100 | wstandout (locator->handle); | |
101 | waddstr (locator->handle, string); | |
102 | wstandend (locator->handle); | |
103 | tuiRefreshWin (locator); | |
104 | wmove (locator->handle, 0, 0); | |
105 | if (string != nullStr ()) | |
106 | tuiFree (string); | |
107 | locator->contentInUse = TRUE; | |
108 | } | |
109 | } | |
110 | ||
111 | return; | |
112 | } /* tuiShowLocatorContent */ | |
113 | ||
114 | ||
115 | /* | |
c5aa993b JM |
116 | ** tuiSetLocatorInfo(). |
117 | ** Function to update the locator, with the provided arguments. | |
118 | */ | |
c906108c SS |
119 | void |
120 | #ifdef __STDC__ | |
121 | tuiSetLocatorInfo ( | |
122 | char *fname, | |
123 | char *procname, | |
124 | int lineNo, | |
125 | Opaque addr, | |
126 | TuiLocatorElementPtr element) | |
127 | #else | |
128 | tuiSetLocatorInfo (fname, procname, lineNo, addr, element) | |
129 | char *fname; | |
130 | char *procname; | |
131 | int lineNo; | |
132 | Opaque addr; | |
133 | TuiLocatorElementPtr element; | |
134 | #endif | |
135 | { | |
136 | #ifdef COMMENT | |
137 | /* first free the old info */ | |
138 | if (element->fileName) | |
139 | tuiFree (element->fileName); | |
140 | if (element->procName) | |
141 | tuiFree (element->procName); | |
142 | ||
143 | if (fname == (char *) NULL) | |
144 | element->fileName = fname; | |
145 | else | |
146 | element->fileName = tuiStrDup (fname); | |
147 | if (procname == (char *) NULL) | |
148 | element->procName = procname; | |
149 | else | |
150 | element->procName = tuiStrDup (procname); | |
151 | #else | |
152 | element->fileName[0] = (char) 0; | |
153 | element->procName[0] = (char) 0; | |
154 | strcat_to_buf (element->fileName, MAX_LOCATOR_ELEMENT_LEN, fname); | |
155 | strcat_to_buf (element->procName, MAX_LOCATOR_ELEMENT_LEN, procname); | |
156 | #endif | |
157 | element->lineNo = lineNo; | |
158 | element->addr = (Opaque) addr; | |
159 | ||
160 | return; | |
161 | } /* tuiSetLocatorInfo */ | |
162 | ||
163 | ||
164 | /* | |
c5aa993b JM |
165 | ** tuiUpdateLocatorFilename(). |
166 | ** Update only the filename portion of the locator. | |
167 | */ | |
c906108c SS |
168 | void |
169 | #ifdef __STDC__ | |
170 | tuiUpdateLocatorFilename ( | |
171 | char *fileName) | |
172 | #else | |
173 | tuiUpdateLocatorFilename (fileName) | |
174 | char *fileName; | |
175 | #endif | |
176 | { | |
177 | TuiGenWinInfoPtr locator = locatorWinInfoPtr (); | |
178 | ||
179 | if (locator->content[0] == (Opaque) NULL) | |
180 | tuiSetLocatorContent ((struct frame_info *) NULL); | |
181 | ((TuiWinElementPtr) locator->content[0])->whichElement.locator.fileName[0] = (char) 0; | |
182 | strcat_to_buf (((TuiWinElementPtr) locator->content[0])->whichElement.locator.fileName, | |
183 | MAX_LOCATOR_ELEMENT_LEN, | |
184 | fileName); | |
185 | ||
186 | tuiShowLocatorContent (); | |
187 | ||
188 | return; | |
189 | } /* tuiUpdateLocatorFilename */ | |
190 | ||
191 | ||
192 | /* | |
c5aa993b JM |
193 | ** tui_vUpdateLocatorFilename(). |
194 | ** Update only the filename portion of the locator with args in a va_list. | |
195 | */ | |
c906108c SS |
196 | void |
197 | #ifdef __STDC__ | |
198 | tui_vUpdateLocatorFilename ( | |
199 | va_list args) | |
200 | #else | |
201 | tui_vUpdateLocatorFilename (args) | |
202 | va_list args; | |
203 | #endif | |
204 | { | |
205 | char *fileName; | |
206 | ||
207 | fileName = va_arg (args, char *); | |
208 | tuiUpdateLocatorFilename (fileName); | |
209 | ||
210 | return; | |
211 | } /* tui_vUpdateLocatorFilename */ | |
212 | ||
213 | ||
214 | /* | |
c5aa993b JM |
215 | ** tuiSwitchFilename(). |
216 | ** Update the filename portion of the locator. Clear the other info in locator. | |
217 | ** (elz) | |
218 | */ | |
c906108c SS |
219 | void |
220 | #ifdef __STDC__ | |
221 | tuiSwitchFilename ( | |
222 | char *fileName) | |
223 | #else | |
224 | tuiSwitchFilename (fileName) | |
225 | char *fileName; | |
226 | #endif | |
227 | { | |
228 | TuiGenWinInfoPtr locator = locatorWinInfoPtr (); | |
229 | ||
230 | if (locator->content[0] == (Opaque) NULL) | |
231 | tuiSetLocatorContent ((struct frame_info *) NULL); | |
232 | ((TuiWinElementPtr) locator->content[0])->whichElement.locator.fileName[0] = (char) 0; | |
233 | ||
234 | tuiSetLocatorInfo (fileName, | |
235 | (char *) NULL, | |
236 | 0, | |
237 | (Opaque) NULL, | |
238 | &((TuiWinElementPtr) locator->content[0])->whichElement.locator); | |
239 | ||
240 | tuiShowLocatorContent (); | |
241 | ||
242 | return; | |
243 | } /* tuiSwitchFilename */ | |
244 | ||
245 | ||
246 | /* | |
c5aa993b JM |
247 | ** tuiGetLocatorFilename(). |
248 | ** Get the filename portion of the locator. | |
249 | ** (elz) | |
250 | */ | |
c906108c SS |
251 | void |
252 | #ifdef __STDC__ | |
253 | tuiGetLocatorFilename ( | |
254 | TuiGenWinInfoPtr locator, | |
255 | char **filename) | |
256 | #else | |
257 | tuiGetLocatorFilename (locator, filename) | |
258 | TuiGenWinInfoPtr locator; | |
259 | char **filename; | |
260 | #endif | |
261 | { | |
262 | ||
263 | /* the current filename could be non known, in which case the xmalloc would | |
264 | allocate no memory, because the length would be 0 */ | |
265 | if (((TuiWinElementPtr) locator->content[0])->whichElement.locator.fileName) | |
266 | { | |
267 | int name_length = | |
268 | strlen (((TuiWinElementPtr) locator->content[0])->whichElement.locator.fileName); | |
269 | ||
270 | (*filename) = (char *) xmalloc (name_length + 1); | |
271 | strcpy ((*filename), | |
272 | ((TuiWinElementPtr) locator->content[0])->whichElement.locator.fileName); | |
273 | } | |
274 | ||
275 | return; | |
276 | } /* tuiGetLocatorFilename */ | |
277 | ||
278 | ||
279 | /* | |
c5aa993b JM |
280 | ** tuiUpdateLocatorInfoFromFrame(). |
281 | ** Function to update the locator, with the information extracted from frameInfo | |
282 | */ | |
c906108c SS |
283 | void |
284 | #ifdef __STDC__ | |
285 | tuiUpdateLocatorInfoFromFrame ( | |
286 | struct frame_info *frameInfo, | |
287 | TuiLocatorElementPtr element) | |
288 | #else | |
289 | tuiUpdateLocatorInfoFromFrame (frameInfo, element) | |
290 | struct frame_info *frameInfo; | |
291 | TuiLocatorElementPtr element; | |
292 | #endif | |
293 | { | |
294 | struct symtab_and_line symtabAndLine; | |
295 | ||
296 | /* now get the new info */ | |
297 | symtabAndLine = find_pc_line (frameInfo->pc, | |
298 | (frameInfo->next != (struct frame_info *) NULL && | |
299 | !frameInfo->next->signal_handler_caller && | |
300 | !frame_in_dummy (frameInfo->next))); | |
301 | if (symtabAndLine.symtab && symtabAndLine.symtab->filename) | |
302 | tuiSetLocatorInfo (symtabAndLine.symtab->filename, | |
303 | _getFuncNameFromFrame (frameInfo), | |
304 | symtabAndLine.line, | |
305 | (Opaque) frameInfo->pc, | |
306 | element); | |
307 | else | |
308 | tuiSetLocatorInfo ((char *) NULL, | |
309 | _getFuncNameFromFrame (frameInfo), | |
310 | 0, | |
311 | (Opaque) frameInfo->pc, | |
312 | element); | |
313 | ||
314 | return; | |
315 | } /* tuiUpdateLocatorInfoFromFrame */ | |
316 | ||
317 | ||
318 | /* | |
c5aa993b JM |
319 | ** tuiSetLocatorContent(). |
320 | ** Function to set the content of the locator | |
321 | */ | |
c906108c SS |
322 | void |
323 | #ifdef __STDC__ | |
324 | tuiSetLocatorContent ( | |
325 | struct frame_info *frameInfo) | |
326 | #else | |
327 | tuiSetLocatorContent (frameInfo) | |
328 | struct frame_info *frameInfo; | |
329 | #endif | |
330 | { | |
331 | TuiGenWinInfoPtr locator = locatorWinInfoPtr (); | |
332 | TuiWinElementPtr element; | |
333 | struct symtab_and_line symtabAndLine; | |
334 | ||
335 | /* Allocate the element if necessary */ | |
336 | if (locator->contentSize <= 0) | |
337 | { | |
338 | TuiWinContent contentPtr; | |
339 | ||
340 | if ((locator->content = (OpaquePtr) allocContent (1, locator->type)) == (OpaquePtr) NULL) | |
341 | error ("Unable to Allocate Memory to Display Location."); | |
342 | locator->contentSize = 1; | |
343 | } | |
344 | ||
345 | if (frameInfo != (struct frame_info *) NULL) | |
346 | tuiUpdateLocatorInfoFromFrame (frameInfo, | |
347 | &((TuiWinElementPtr) locator->content[0])->whichElement.locator); | |
348 | else | |
349 | tuiSetLocatorInfo ((char *) NULL, | |
350 | (char *) NULL, | |
351 | 0, | |
352 | (Opaque) NULL, | |
353 | &((TuiWinElementPtr) locator->content[0])->whichElement.locator); | |
354 | return; | |
355 | } /* tuiSetLocatorContent */ | |
356 | ||
357 | ||
358 | /* | |
c5aa993b JM |
359 | ** tuiUpdateLocatorDisplay(). |
360 | ** Function to update the locator display | |
361 | */ | |
c906108c SS |
362 | void |
363 | #ifdef __STDC__ | |
364 | tuiUpdateLocatorDisplay ( | |
365 | struct frame_info *frameInfo) | |
366 | #else | |
367 | tuiUpdateLocatorDisplay (frameInfo) | |
368 | struct frame_info *frameInfo; | |
369 | #endif | |
370 | { | |
371 | tuiClearLocatorDisplay (); | |
372 | tuiSetLocatorContent (frameInfo); | |
373 | tuiShowLocatorContent (); | |
374 | ||
375 | return; | |
376 | } /* tuiUpdateLocatorDisplay */ | |
377 | ||
378 | ||
379 | /* | |
c5aa993b JM |
380 | ** tuiShowFrameInfo(). |
381 | ** Function to print the frame inforrmation for the TUI. | |
382 | */ | |
c906108c SS |
383 | void |
384 | #ifdef __STDC__ | |
385 | tuiShowFrameInfo ( | |
386 | struct frame_info *fi) | |
387 | #else | |
388 | tuiShowFrameInfo (fi) | |
389 | struct frame_info *fi; | |
390 | #endif | |
391 | { | |
392 | TuiWinInfoPtr winInfo; | |
393 | register int i; | |
394 | ||
395 | if (fi) | |
396 | { | |
397 | register int startLine, i; | |
398 | register struct symtab *s; | |
399 | CORE_ADDR low; | |
400 | TuiGenWinInfoPtr locator = locatorWinInfoPtr (); | |
401 | int sourceAlreadyDisplayed; | |
402 | ||
403 | ||
404 | s = find_pc_symtab (fi->pc); | |
405 | sourceAlreadyDisplayed = tuiSourceIsDisplayed (s->filename); | |
406 | tuiUpdateLocatorDisplay (fi); | |
407 | for (i = 0; i < (sourceWindows ())->count; i++) | |
408 | { | |
409 | winInfo = (TuiWinInfoPtr) (sourceWindows ())->list[i]; | |
410 | if (winInfo == srcWin) | |
411 | { | |
412 | startLine = | |
413 | (((TuiWinElementPtr) locator->content[0])->whichElement.locator.lineNo - | |
414 | (winInfo->generic.viewportHeight / 2)) + 1; | |
415 | if (startLine <= 0) | |
416 | startLine = 1; | |
417 | } | |
418 | else | |
419 | { | |
420 | if (find_pc_partial_function (fi->pc, (char **) NULL, &low, (CORE_ADDR) NULL) == 0) | |
421 | error ("No function contains program counter for selected frame.\n"); | |
422 | else | |
423 | low = (CORE_ADDR) tuiGetLowDisassemblyAddress ((Opaque) low, (Opaque) fi->pc); | |
424 | } | |
425 | ||
426 | if (winInfo == srcWin) | |
427 | { | |
428 | if (!(sourceAlreadyDisplayed && m_tuiLineDisplayedWithinThreshold ( | |
429 | winInfo, | |
430 | ((TuiWinElementPtr) locator->content[0])->whichElement.locator.lineNo))) | |
431 | tuiUpdateSourceWindow (winInfo, s, (Opaque) startLine, TRUE); | |
432 | else | |
433 | tuiSetIsExecPointAt ((Opaque) | |
434 | ((TuiWinElementPtr) locator->content[0])->whichElement.locator.lineNo, | |
435 | winInfo); | |
436 | } | |
437 | else | |
438 | { | |
439 | if (winInfo == disassemWin) | |
440 | { | |
441 | if (!m_tuiLineDisplayedWithinThreshold (winInfo, | |
442 | ((TuiWinElementPtr) locator->content[0])->whichElement.locator.addr)) | |
443 | tuiUpdateSourceWindow (winInfo, s, (Opaque) low, TRUE); | |
444 | else | |
445 | tuiSetIsExecPointAt ((Opaque) | |
446 | ((TuiWinElementPtr) locator->content[0])->whichElement.locator.addr, | |
447 | winInfo); | |
448 | } | |
449 | } | |
450 | tuiUpdateExecInfo (winInfo); | |
451 | } | |
452 | } | |
453 | else | |
454 | { | |
455 | tuiUpdateLocatorDisplay (fi); | |
456 | for (i = 0; i < (sourceWindows ())->count; i++) | |
457 | { | |
458 | winInfo = (TuiWinInfoPtr) (sourceWindows ())->list[i]; | |
459 | tuiClearSourceContent (winInfo, EMPTY_SOURCE_PROMPT); | |
460 | tuiUpdateExecInfo (winInfo); | |
461 | } | |
462 | } | |
463 | ||
464 | return; | |
465 | } /* tuiShowFrameInfo */ | |
466 | ||
467 | ||
468 | /* | |
c5aa993b JM |
469 | ** tui_vShowFrameInfo(). |
470 | ** Function to print the frame inforrmation for the TUI with args in a va_list. | |
471 | */ | |
c906108c SS |
472 | void |
473 | #ifdef __STDC__ | |
474 | tui_vShowFrameInfo ( | |
475 | va_list args) | |
476 | #else | |
477 | tui_vShowFrameInfo (args) | |
478 | va_list args; | |
479 | #endif | |
480 | { | |
481 | struct frame_info *fi; | |
482 | ||
483 | fi = va_arg (args, struct frame_info *); | |
484 | tuiShowFrameInfo (fi); | |
485 | ||
486 | return; | |
487 | } /* tui_vShowFrameInfo */ | |
488 | ||
489 | ||
490 | /* | |
c5aa993b JM |
491 | ** _initialize_tuiStack(). |
492 | ** Function to initialize gdb commands, for tui window stack manipulation. | |
493 | */ | |
c906108c | 494 | void |
fba45db2 | 495 | _initialize_tuiStack (void) |
c906108c SS |
496 | { |
497 | if (tui_version) | |
498 | { | |
499 | add_com ("update", class_tui, _tuiUpdateLocation_command, | |
500 | "Update the source window and locator to display the current execution point.\n"); | |
501 | } | |
502 | ||
503 | return; | |
504 | } /* _initialize_tuiStack */ | |
505 | ||
506 | ||
507 | /***************************************** | |
508 | ** STATIC LOCAL FUNCTIONS ** | |
509 | ******************************************/ | |
510 | ||
511 | /* | |
c5aa993b JM |
512 | ** _getFuncNameFromFrame(). |
513 | */ | |
c906108c SS |
514 | static char * |
515 | #ifdef __STDC__ | |
516 | _getFuncNameFromFrame ( | |
517 | struct frame_info *frameInfo) | |
518 | #else | |
519 | _getFuncNameFromFrame (frameInfo) | |
520 | struct frame_info *frameInfo; | |
521 | #endif | |
522 | { | |
523 | char *funcName = (char *) NULL; | |
524 | ||
525 | find_pc_partial_function (frameInfo->pc, | |
526 | &funcName, | |
527 | (CORE_ADDR *) NULL, | |
528 | (CORE_ADDR *) NULL); | |
529 | return funcName; | |
530 | } /* _getFuncNameFromFrame */ | |
531 | ||
532 | ||
533 | /* | |
c5aa993b JM |
534 | ** _tuiUpdateLocation_command(). |
535 | ** Command to update the display with the current execution point | |
536 | */ | |
c906108c SS |
537 | static void |
538 | #ifdef __STDC__ | |
539 | _tuiUpdateLocation_command ( | |
540 | char *arg, | |
541 | int fromTTY) | |
542 | #else | |
543 | _tuiUpdateLocation_command (arg, fromTTY) | |
544 | char *arg; | |
545 | int fromTTY; | |
546 | #endif | |
547 | { | |
548 | #ifndef TRY | |
a14ed312 | 549 | extern void frame_command (char *, int); |
c906108c SS |
550 | frame_command ("0", FALSE); |
551 | #else | |
552 | struct frame_info *curFrame; | |
553 | ||
554 | /* Obtain the current execution point */ | |
555 | if ((curFrame = get_current_frame ()) != (struct frame_info *) NULL) | |
556 | { | |
557 | struct frame_info *frame; | |
558 | int curLevel = 0; | |
559 | ||
560 | for (frame = get_prev_frame (curLevel); | |
561 | (frame != (struct frame_info *) NULL && (frame != curFrame)); | |
562 | frame = get_prev_frame (frame)) | |
563 | curLevel++; | |
564 | ||
565 | if (curFrame != (struct frame_info *) NULL) | |
566 | print_frame_info (frame, curLevel, 0, 1); | |
567 | } | |
568 | #endif | |
569 | ||
570 | return; | |
571 | } /* _tuiUpdateLocation_command */ |