Commit | Line | Data |
---|---|---|
f377b406 | 1 | /* TUI display registers in window. |
f33c6cbf | 2 | |
42a4f53d | 3 | Copyright (C) 1998-2019 Free Software Foundation, Inc. |
f33c6cbf | 4 | |
f377b406 | 5 | Contributed by Hewlett-Packard Company. |
c906108c | 6 | |
f377b406 | 7 | This file is part of GDB. |
c906108c | 8 | |
f377b406 SC |
9 | This program is free software; you can redistribute it and/or modify |
10 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 11 | the Free Software Foundation; either version 3 of the License, or |
f377b406 SC |
12 | (at your option) any later version. |
13 | ||
14 | This program is distributed in the hope that it will be useful, | |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
21 | |
22 | #include "defs.h" | |
e17c207e | 23 | #include "arch-utils.h" |
d7b2e967 AC |
24 | #include "tui/tui.h" |
25 | #include "tui/tui-data.h" | |
c906108c SS |
26 | #include "symtab.h" |
27 | #include "gdbtypes.h" | |
28 | #include "gdbcmd.h" | |
29 | #include "frame.h" | |
bc77de56 | 30 | #include "regcache.h" |
c906108c SS |
31 | #include "inferior.h" |
32 | #include "target.h" | |
d7b2e967 AC |
33 | #include "tui/tui-layout.h" |
34 | #include "tui/tui-win.h" | |
d7b2e967 AC |
35 | #include "tui/tui-wingeneral.h" |
36 | #include "tui/tui-file.h" | |
2c0b251b | 37 | #include "tui/tui-regs.h" |
312809f8 | 38 | #include "tui/tui-io.h" |
10f59415 | 39 | #include "reggroups.h" |
79a45b7d | 40 | #include "valprint.h" |
51f0e40d | 41 | #include "completer.h" |
c906108c | 42 | |
6a83354a | 43 | #include "gdb_curses.h" |
96ec9981 | 44 | |
41bcff7f | 45 | static void tui_display_register (struct tui_data_item_window *data); |
c906108c | 46 | |
1a4f81dd TT |
47 | /* Get the register from the frame and return a printable |
48 | representation of it. */ | |
49 | ||
b9ad3686 | 50 | static gdb::unique_xmalloc_ptr<char> |
1a4f81dd TT |
51 | tui_register_format (struct frame_info *frame, int regnum) |
52 | { | |
53 | struct gdbarch *gdbarch = get_frame_arch (frame); | |
5eccfcc2 | 54 | |
1a4f81dd TT |
55 | string_file stream; |
56 | ||
57 | scoped_restore save_pagination | |
58 | = make_scoped_restore (&pagination_enabled, 0); | |
59 | scoped_restore save_stdout | |
60 | = make_scoped_restore (&gdb_stdout, &stream); | |
61 | ||
62 | gdbarch_print_registers_info (gdbarch, &stream, frame, regnum, 1); | |
63 | ||
64 | /* Remove the possible \n. */ | |
65 | std::string &str = stream.string (); | |
66 | if (!str.empty () && str.back () == '\n') | |
67 | str.resize (str.size () - 1); | |
68 | ||
69 | /* Expand tabs into spaces, since ncurses on MS-Windows doesn't. */ | |
b9ad3686 | 70 | return tui_expand_tabs (str.c_str ()); |
1a4f81dd TT |
71 | } |
72 | ||
73 | /* Get the register value from the given frame and format it for the | |
74 | display. When changep is set, check if the new register value has | |
75 | changed with respect to the previous call. */ | |
76 | static void | |
77 | tui_get_register (struct frame_info *frame, | |
78 | struct tui_data_item_window *data, | |
79 | int regnum, bool *changedp) | |
80 | { | |
81 | if (changedp) | |
82 | *changedp = false; | |
83 | if (target_has_registers) | |
84 | { | |
b9ad3686 TT |
85 | gdb::unique_xmalloc_ptr<char> new_content |
86 | = tui_register_format (frame, regnum); | |
1a4f81dd TT |
87 | |
88 | if (changedp != NULL | |
b9ad3686 | 89 | && strcmp (data->content.get (), new_content.get ()) != 0) |
1a4f81dd TT |
90 | *changedp = true; |
91 | ||
b9ad3686 | 92 | data->content = std::move (new_content); |
1a4f81dd TT |
93 | } |
94 | } | |
96bd6233 TT |
95 | |
96 | /* See tui-regs.h. */ | |
97 | ||
c906108c | 98 | int |
0b5ec218 | 99 | tui_data_window::last_regs_line_no () const |
c906108c | 100 | { |
d02c80cd | 101 | int num_lines = (-1); |
c906108c | 102 | |
0b5ec218 | 103 | if (!regs_content.empty ()) |
c906108c | 104 | { |
0b5ec218 TT |
105 | num_lines = regs_content.size () / regs_column_count; |
106 | if (regs_content.size () % regs_column_count) | |
6ba8e26f | 107 | num_lines++; |
c906108c | 108 | } |
6ba8e26f | 109 | return num_lines; |
55fb0713 | 110 | } |
c906108c | 111 | |
18ab23af | 112 | /* See tui-regs.h. */ |
c906108c | 113 | |
c906108c | 114 | int |
3b23c5f2 | 115 | tui_data_window::line_from_reg_element_no (int element_no) const |
c906108c | 116 | { |
3b23c5f2 | 117 | if (element_no < regs_content.size ()) |
c906108c SS |
118 | { |
119 | int i, line = (-1); | |
120 | ||
121 | i = 1; | |
122 | while (line == (-1)) | |
123 | { | |
3b23c5f2 | 124 | if (element_no < regs_column_count * i) |
c906108c SS |
125 | line = i - 1; |
126 | else | |
127 | i++; | |
128 | } | |
129 | ||
130 | return line; | |
131 | } | |
132 | else | |
133 | return (-1); | |
55fb0713 | 134 | } |
c906108c | 135 | |
18ab23af | 136 | /* See tui-regs.h. */ |
c906108c | 137 | |
c906108c | 138 | int |
baff0c28 | 139 | tui_data_window::first_reg_element_no_inline (int line_no) const |
c906108c | 140 | { |
baff0c28 TT |
141 | if (line_no * regs_column_count <= regs_content.size ()) |
142 | return ((line_no + 1) * regs_column_count) - regs_column_count; | |
c906108c SS |
143 | else |
144 | return (-1); | |
55fb0713 | 145 | } |
c906108c | 146 | |
10f59415 SC |
147 | /* Show the registers of the given group in the data window |
148 | and refresh the window. */ | |
c906108c | 149 | void |
ca02d7c8 | 150 | tui_data_window::show_registers (struct reggroup *group) |
c906108c | 151 | { |
10f59415 SC |
152 | if (group == 0) |
153 | group = general_reggroup; | |
c906108c | 154 | |
1cc6d956 MS |
155 | /* Say that registers should be displayed, even if there is a |
156 | problem. */ | |
ca02d7c8 | 157 | display_regs = true; |
10f59415 SC |
158 | |
159 | if (target_has_registers && target_has_stack && target_has_memory) | |
c906108c | 160 | { |
ca02d7c8 TT |
161 | show_register_group (group, get_selected_frame (NULL), |
162 | group == current_group); | |
368c1354 | 163 | |
1cc6d956 | 164 | /* Clear all notation of changed values. */ |
ca02d7c8 | 165 | for (auto &&data_item_win : regs_content) |
c906108c | 166 | { |
21e1c91e TT |
167 | if (data_item_win != nullptr) |
168 | data_item_win->highlight = false; | |
c906108c | 169 | } |
ca02d7c8 TT |
170 | current_group = group; |
171 | display_all_data (); | |
c906108c | 172 | } |
368c1354 TT |
173 | else |
174 | { | |
ca02d7c8 TT |
175 | current_group = 0; |
176 | erase_data_content (_("[ Register Values Unavailable ]")); | |
368c1354 | 177 | } |
55fb0713 | 178 | } |
c906108c SS |
179 | |
180 | ||
10f59415 | 181 | /* Set the data window to display the registers of the register group |
1cc6d956 MS |
182 | using the given frame. Values are refreshed only when |
183 | refresh_values_only is TRUE. */ | |
10f59415 | 184 | |
ca02d7c8 TT |
185 | void |
186 | tui_data_window::show_register_group (struct reggroup *group, | |
187 | struct frame_info *frame, | |
188 | int refresh_values_only) | |
10f59415 | 189 | { |
5eccfcc2 | 190 | struct gdbarch *gdbarch = get_frame_arch (frame); |
10f59415 | 191 | int nr_regs; |
10f59415 | 192 | int regnum, pos; |
10f59415 SC |
193 | |
194 | /* Make a new title showing which group we display. */ | |
ca02d7c8 TT |
195 | xfree (title); |
196 | title = xstrprintf ("Register group: %s", reggroup_name (group)); | |
10f59415 SC |
197 | |
198 | /* See how many registers must be displayed. */ | |
199 | nr_regs = 0; | |
f6efe3f8 | 200 | for (regnum = 0; regnum < gdbarch_num_cooked_regs (gdbarch); regnum++) |
10f59415 | 201 | { |
d20c1c3f PA |
202 | const char *name; |
203 | ||
204 | /* Must be in the group. */ | |
205 | if (!gdbarch_register_reggroup_p (gdbarch, regnum, group)) | |
206 | continue; | |
207 | ||
208 | /* If the register name is empty, it is undefined for this | |
209 | processor, so don't display anything. */ | |
210 | name = gdbarch_register_name (gdbarch, regnum); | |
211 | if (name == 0 || *name == '\0') | |
212 | continue; | |
213 | ||
214 | nr_regs++; | |
10f59415 SC |
215 | } |
216 | ||
21e1c91e | 217 | if (!refresh_values_only) |
ca02d7c8 | 218 | regs_content.clear (); |
10f59415 | 219 | |
ca02d7c8 TT |
220 | if (nr_regs < regs_content.size ()) |
221 | regs_content.resize (nr_regs); | |
21e1c91e | 222 | else |
10f59415 | 223 | { |
ca02d7c8 TT |
224 | for (int i = regs_content.size (); i < nr_regs; ++i) |
225 | regs_content.emplace_back (new tui_data_item_window ()); | |
10f59415 SC |
226 | } |
227 | ||
21e1c91e TT |
228 | /* Now set the register names and values. */ |
229 | pos = 0; | |
230 | for (regnum = 0; regnum < gdbarch_num_cooked_regs (gdbarch); regnum++) | |
10f59415 | 231 | { |
21e1c91e TT |
232 | struct tui_data_item_window *data_item_win; |
233 | const char *name; | |
10f59415 | 234 | |
21e1c91e TT |
235 | /* Must be in the group. */ |
236 | if (!gdbarch_register_reggroup_p (gdbarch, regnum, group)) | |
237 | continue; | |
10f59415 | 238 | |
21e1c91e TT |
239 | /* If the register name is empty, it is undefined for this |
240 | processor, so don't display anything. */ | |
241 | name = gdbarch_register_name (gdbarch, regnum); | |
242 | if (name == 0 || *name == '\0') | |
243 | continue; | |
10f59415 | 244 | |
ca02d7c8 | 245 | data_item_win = regs_content[pos].get (); |
21e1c91e TT |
246 | if (data_item_win) |
247 | { | |
248 | if (!refresh_values_only) | |
249 | { | |
250 | data_item_win->item_no = regnum; | |
251 | data_item_win->name = name; | |
252 | data_item_win->highlight = false; | |
253 | } | |
254 | tui_get_register (frame, data_item_win, regnum, 0); | |
255 | } | |
256 | pos++; | |
257 | } | |
10f59415 SC |
258 | } |
259 | ||
18ab23af | 260 | /* See tui-regs.h. */ |
517e9505 | 261 | |
c906108c | 262 | void |
517e9505 | 263 | tui_data_window::display_registers_from (int start_element_no) |
c906108c | 264 | { |
517e9505 | 265 | if (!regs_content.empty ()) |
c906108c | 266 | { |
0043e6a5 | 267 | int j, item_win_width, cur_y; |
10f59415 SC |
268 | |
269 | int max_len = 0; | |
517e9505 | 270 | for (auto &&data_item_win : regs_content) |
10f59415 | 271 | { |
b9ad3686 | 272 | const char *p; |
10f59415 SC |
273 | int len; |
274 | ||
10f59415 | 275 | len = 0; |
b9ad3686 | 276 | p = data_item_win->content.get (); |
10f59415 | 277 | if (p != 0) |
b9ad3686 | 278 | len = strlen (p); |
10f59415 SC |
279 | |
280 | if (len > max_len) | |
281 | max_len = len; | |
282 | } | |
283 | item_win_width = max_len + 1; | |
21e1c91e | 284 | int i = start_element_no; |
10f59415 | 285 | |
517e9505 TT |
286 | regs_column_count = (width - 2) / item_win_width; |
287 | if (regs_column_count == 0) | |
288 | regs_column_count = 1; | |
289 | item_win_width = (width - 2) / regs_column_count; | |
10f59415 | 290 | |
ef5eab5a MS |
291 | /* Now create each data "sub" window, and write the display into |
292 | it. */ | |
6ba8e26f | 293 | cur_y = 1; |
517e9505 TT |
294 | while (i < regs_content.size () |
295 | && cur_y <= viewport_height) | |
c906108c SS |
296 | { |
297 | for (j = 0; | |
517e9505 | 298 | j < regs_column_count && i < regs_content.size (); |
e5908723 | 299 | j++) |
c906108c | 300 | { |
41bcff7f | 301 | struct tui_data_item_window *data_item_win; |
c906108c | 302 | |
1cc6d956 | 303 | /* Create the window if necessary. */ |
517e9505 | 304 | data_item_win = regs_content[i].get (); |
cafb3438 | 305 | if (data_item_win->handle != NULL |
10f59415 SC |
306 | && (data_item_win->height != 1 |
307 | || data_item_win->width != item_win_width | |
308 | || data_item_win->origin.x != (item_win_width * j) + 1 | |
309 | || data_item_win->origin.y != cur_y)) | |
310 | { | |
311 | tui_delete_win (data_item_win->handle); | |
312 | data_item_win->handle = 0; | |
313 | } | |
314 | ||
cafb3438 | 315 | if (data_item_win->handle == NULL) |
c906108c | 316 | { |
6ba8e26f | 317 | data_item_win->height = 1; |
10f59415 | 318 | data_item_win->width = item_win_width; |
6ba8e26f AC |
319 | data_item_win->origin.x = (item_win_width * j) + 1; |
320 | data_item_win->origin.y = cur_y; | |
65962b20 | 321 | tui_make_window (data_item_win); |
6ba8e26f | 322 | scrollok (data_item_win->handle, FALSE); |
c906108c | 323 | } |
6ba8e26f | 324 | touchwin (data_item_win->handle); |
fea14702 | 325 | |
10f59415 SC |
326 | /* Get the printable representation of the register |
327 | and display it. */ | |
41bcff7f | 328 | tui_display_register (data_item_win); |
1cc6d956 | 329 | i++; /* Next register. */ |
c906108c | 330 | } |
1cc6d956 | 331 | cur_y++; /* Next row. */ |
c906108c SS |
332 | } |
333 | } | |
55fb0713 | 334 | } |
c906108c | 335 | |
18ab23af | 336 | /* See tui-regs.h. */ |
c906108c | 337 | |
aca2dd16 TT |
338 | void |
339 | tui_data_window::display_reg_element_at_line (int start_element_no, | |
340 | int start_line_no) | |
c906108c | 341 | { |
aca2dd16 | 342 | if (!regs_content.empty ()) |
c906108c | 343 | { |
d02c80cd | 344 | int element_no = start_element_no; |
c906108c | 345 | |
6ba8e26f | 346 | if (start_element_no != 0 && start_line_no != 0) |
c906108c | 347 | { |
d02c80cd | 348 | int last_line_no, first_line_on_last_page; |
c906108c | 349 | |
aca2dd16 TT |
350 | last_line_no = last_regs_line_no (); |
351 | first_line_on_last_page = last_line_no - (height - 2); | |
6ba8e26f AC |
352 | if (first_line_on_last_page < 0) |
353 | first_line_on_last_page = 0; | |
ef5eab5a | 354 | |
115ac53b | 355 | /* If the element_no causes us to scroll past the end of the |
ef5eab5a MS |
356 | registers, adjust what element to really start the |
357 | display at. */ | |
115ac53b | 358 | if (start_line_no > first_line_on_last_page) |
aca2dd16 | 359 | element_no = first_reg_element_no_inline (first_line_on_last_page); |
c906108c | 360 | } |
aca2dd16 | 361 | display_registers_from (element_no); |
c906108c | 362 | } |
6ba8e26f | 363 | } |
c906108c | 364 | |
18ab23af | 365 | /* See tui-regs.h. */ |
c906108c | 366 | |
c906108c | 367 | int |
517e9505 | 368 | tui_data_window::display_registers_from_line (int line_no) |
c906108c | 369 | { |
b4ef5aeb | 370 | check_and_display_highlight_if_needed (); |
517e9505 | 371 | if (!regs_content.empty ()) |
c906108c | 372 | { |
80cb6c27 | 373 | int element_no; |
c906108c | 374 | |
6ba8e26f | 375 | if (line_no < 0) |
80cb6c27 TT |
376 | line_no = 0; |
377 | else | |
378 | { | |
379 | /* Make sure that we don't display off the end of the | |
ef5eab5a | 380 | registers. */ |
517e9505 | 381 | if (line_no >= last_regs_line_no ()) |
c906108c | 382 | { |
517e9505 TT |
383 | line_no = line_from_reg_element_no (regs_content.size () - 1); |
384 | if (line_no < 0) | |
80cb6c27 | 385 | line_no = 0; |
c906108c | 386 | } |
c906108c | 387 | } |
c906108c | 388 | |
517e9505 TT |
389 | element_no = first_reg_element_no_inline (line_no); |
390 | if (element_no < regs_content.size ()) | |
aca2dd16 | 391 | display_reg_element_at_line (element_no, line_no); |
c906108c | 392 | else |
80cb6c27 | 393 | line_no = (-1); |
c906108c | 394 | |
80cb6c27 | 395 | return line_no; |
c906108c SS |
396 | } |
397 | ||
1cc6d956 | 398 | return (-1); /* Nothing was displayed. */ |
55fb0713 | 399 | } |
c906108c SS |
400 | |
401 | ||
18ab23af TT |
402 | /* Answer the index first element displayed. If none are displayed, |
403 | then return (-1). */ | |
404 | int | |
405 | tui_data_window::first_data_item_displayed () | |
406 | { | |
407 | for (int i = 0; i < regs_content.size (); i++) | |
408 | { | |
409 | struct tui_gen_win_info *data_item_win; | |
410 | ||
411 | data_item_win = regs_content[i].get (); | |
2d83e710 | 412 | if (data_item_win->is_visible ()) |
18ab23af TT |
413 | return i; |
414 | } | |
415 | ||
416 | return -1; | |
417 | } | |
418 | ||
419 | /* See tui-regs.h. */ | |
420 | ||
421 | void | |
422 | tui_data_window::delete_data_content_windows () | |
423 | { | |
424 | for (auto &&win : regs_content) | |
425 | { | |
426 | tui_delete_win (win->handle); | |
427 | win->handle = NULL; | |
18ab23af TT |
428 | } |
429 | } | |
430 | ||
431 | ||
432 | void | |
433 | tui_data_window::erase_data_content (const char *prompt) | |
434 | { | |
435 | werase (handle); | |
b4ef5aeb | 436 | check_and_display_highlight_if_needed (); |
18ab23af TT |
437 | if (prompt != NULL) |
438 | { | |
439 | int half_width = (width - 2) / 2; | |
440 | int x_pos; | |
441 | ||
442 | if (strlen (prompt) >= half_width) | |
443 | x_pos = 1; | |
444 | else | |
445 | x_pos = half_width - strlen (prompt); | |
446 | mvwaddstr (handle, (height / 2), x_pos, (char *) prompt); | |
447 | } | |
448 | wrefresh (handle); | |
449 | } | |
450 | ||
451 | /* See tui-regs.h. */ | |
452 | ||
453 | void | |
454 | tui_data_window::display_all_data () | |
455 | { | |
456 | if (regs_content.empty ()) | |
457 | erase_data_content (NO_DATA_STRING); | |
458 | else | |
459 | { | |
460 | erase_data_content (NULL); | |
461 | delete_data_content_windows (); | |
b4ef5aeb | 462 | check_and_display_highlight_if_needed (); |
18ab23af TT |
463 | display_registers_from (0); |
464 | } | |
465 | } | |
466 | ||
467 | ||
468 | /* Function to redisplay the contents of the data window. */ | |
469 | void | |
470 | tui_data_window::refresh_all () | |
471 | { | |
472 | erase_data_content (NULL); | |
473 | if (!regs_content.empty ()) | |
474 | { | |
475 | int first_element = first_data_item_displayed (); | |
476 | ||
477 | if (first_element >= 0) /* Re-use existing windows. */ | |
478 | { | |
479 | int first_line = (-1); | |
480 | ||
481 | if (first_element < regs_content.size ()) | |
482 | first_line = line_from_reg_element_no (first_element); | |
483 | ||
484 | if (first_line >= 0) | |
485 | { | |
486 | erase_data_content (NULL); | |
487 | display_registers_from_line (first_line); | |
488 | } | |
489 | } | |
490 | } | |
491 | } | |
492 | ||
493 | ||
494 | /* Scroll the data window vertically forward or backward. */ | |
495 | void | |
496 | tui_data_window::do_scroll_vertical (int num_to_scroll) | |
497 | { | |
498 | int first_element_no; | |
499 | int first_line = (-1); | |
500 | ||
501 | first_element_no = first_data_item_displayed (); | |
502 | if (first_element_no < regs_content.size ()) | |
503 | first_line = line_from_reg_element_no (first_element_no); | |
504 | else | |
505 | { /* Calculate the first line from the element number which is in | |
506 | the general data content. */ | |
507 | } | |
508 | ||
509 | if (first_line >= 0) | |
510 | { | |
511 | first_line += num_to_scroll; | |
512 | erase_data_content (NULL); | |
513 | delete_data_content_windows (); | |
514 | display_registers_from_line (first_line); | |
515 | } | |
516 | } | |
517 | ||
518 | /* See tui-regs.h. */ | |
519 | ||
18ab23af | 520 | void |
3df505f6 | 521 | tui_data_window::rerender () |
18ab23af TT |
522 | { |
523 | /* Delete all data item windows. */ | |
524 | for (auto &&win : regs_content) | |
525 | { | |
526 | tui_delete_win (win->handle); | |
527 | win->handle = NULL; | |
528 | } | |
18ab23af TT |
529 | display_all_data (); |
530 | } | |
531 | ||
532 | /* See tui-regs.h. */ | |
533 | ||
534 | void | |
535 | tui_data_window::refresh_window () | |
536 | { | |
537 | tui_gen_win_info::refresh_window (); | |
538 | for (auto &&win : regs_content) | |
539 | { | |
540 | if (win != NULL) | |
541 | win->refresh_window (); | |
542 | } | |
543 | } | |
544 | ||
55fb0713 AC |
545 | /* This function check all displayed registers for changes in values, |
546 | given a particular frame. If the values have changed, they are | |
547 | updated with the new value and highlighted. */ | |
c906108c | 548 | void |
63356bfd | 549 | tui_data_window::check_register_values (struct frame_info *frame) |
c906108c | 550 | { |
63356bfd | 551 | if (regs_content.empty () && display_regs) |
ca02d7c8 | 552 | show_registers (current_group); |
63356bfd | 553 | else |
c906108c | 554 | { |
63356bfd | 555 | for (auto &&data_item_win_ptr : regs_content) |
c906108c | 556 | { |
63356bfd | 557 | int was_hilighted; |
c906108c | 558 | |
63356bfd | 559 | was_hilighted = data_item_win_ptr->highlight; |
10f59415 | 560 | |
63356bfd TT |
561 | tui_get_register (frame, data_item_win_ptr.get (), |
562 | data_item_win_ptr->item_no, | |
563 | &data_item_win_ptr->highlight); | |
10f59415 | 564 | |
63356bfd TT |
565 | if (data_item_win_ptr->highlight || was_hilighted) |
566 | tui_display_register (data_item_win_ptr.get ()); | |
c906108c SS |
567 | } |
568 | } | |
55fb0713 | 569 | } |
c906108c | 570 | |
1cc6d956 MS |
571 | /* Display a register in a window. If hilite is TRUE, then the value |
572 | will be displayed in reverse video. */ | |
10f59415 | 573 | static void |
41bcff7f | 574 | tui_display_register (struct tui_data_item_window *data) |
10f59415 | 575 | { |
41bcff7f | 576 | if (data->handle != NULL) |
10f59415 SC |
577 | { |
578 | int i; | |
c906108c | 579 | |
10f59415 | 580 | if (data->highlight) |
cae3f17b JB |
581 | /* We ignore the return value, casting it to void in order to avoid |
582 | a compiler warning. The warning itself was introduced by a patch | |
583 | to ncurses 5.7 dated 2009-08-29, changing this macro to expand | |
584 | to code that causes the compiler to generate an unused-value | |
585 | warning. */ | |
41bcff7f | 586 | (void) wstandout (data->handle); |
10f59415 | 587 | |
41bcff7f TT |
588 | wmove (data->handle, 0, 0); |
589 | for (i = 1; i < data->width; i++) | |
590 | waddch (data->handle, ' '); | |
591 | wmove (data->handle, 0, 0); | |
10f59415 | 592 | if (data->content) |
b9ad3686 | 593 | waddstr (data->handle, data->content.get ()); |
10f59415 SC |
594 | |
595 | if (data->highlight) | |
cae3f17b JB |
596 | /* We ignore the return value, casting it to void in order to avoid |
597 | a compiler warning. The warning itself was introduced by a patch | |
598 | to ncurses 5.7 dated 2009-08-29, changing this macro to expand | |
599 | to code that causes the compiler to generate an unused-value | |
600 | warning. */ | |
41bcff7f TT |
601 | (void) wstandend (data->handle); |
602 | data->refresh_window (); | |
10f59415 SC |
603 | } |
604 | } | |
605 | ||
51f0e40d AB |
606 | /* Helper for "tui reg next", wraps a call to REGGROUP_NEXT, but adds wrap |
607 | around behaviour. Returns the next register group, or NULL if the | |
608 | register window is not currently being displayed. */ | |
609 | ||
610 | static struct reggroup * | |
fe3eaf1c | 611 | tui_reg_next (struct reggroup *current_group, struct gdbarch *gdbarch) |
c906108c | 612 | { |
51f0e40d | 613 | struct reggroup *group = NULL; |
e17c207e | 614 | |
fe3eaf1c | 615 | if (current_group != NULL) |
10f59415 | 616 | { |
fe3eaf1c | 617 | group = reggroup_next (gdbarch, current_group); |
b75c69bb AB |
618 | if (group == NULL) |
619 | group = reggroup_next (gdbarch, NULL); | |
10f59415 | 620 | } |
51f0e40d | 621 | return group; |
10f59415 SC |
622 | } |
623 | ||
51f0e40d AB |
624 | /* Helper for "tui reg prev", wraps a call to REGGROUP_PREV, but adds wrap |
625 | around behaviour. Returns the previous register group, or NULL if the | |
626 | register window is not currently being displayed. */ | |
55b40027 | 627 | |
51f0e40d | 628 | static struct reggroup * |
fe3eaf1c | 629 | tui_reg_prev (struct reggroup *current_group, struct gdbarch *gdbarch) |
55b40027 | 630 | { |
51f0e40d | 631 | struct reggroup *group = NULL; |
55b40027 | 632 | |
fe3eaf1c | 633 | if (current_group != NULL) |
55b40027 | 634 | { |
fe3eaf1c | 635 | group = reggroup_prev (gdbarch, current_group); |
55b40027 AB |
636 | if (group == NULL) |
637 | group = reggroup_prev (gdbarch, NULL); | |
55b40027 | 638 | } |
51f0e40d | 639 | return group; |
55b40027 AB |
640 | } |
641 | ||
42cc14a7 TT |
642 | /* A helper function to display the register window in the appropriate |
643 | way. */ | |
644 | ||
645 | static void | |
646 | tui_reg_layout () | |
647 | { | |
648 | enum tui_layout_type cur_layout = tui_current_layout (); | |
649 | enum tui_layout_type new_layout; | |
650 | if (cur_layout == SRC_COMMAND || cur_layout == SRC_DATA_COMMAND) | |
651 | new_layout = SRC_DATA_COMMAND; | |
652 | else | |
653 | new_layout = DISASSEM_DATA_COMMAND; | |
654 | tui_set_layout (new_layout); | |
655 | } | |
656 | ||
51f0e40d AB |
657 | /* Implement the 'tui reg' command. Changes the register group displayed |
658 | in the tui register window. Displays the tui register window if it is | |
659 | not already on display. */ | |
c906108c | 660 | |
10f59415 | 661 | static void |
e2d8ae16 | 662 | tui_reg_command (const char *args, int from_tty) |
10f59415 | 663 | { |
51f0e40d | 664 | struct gdbarch *gdbarch = get_current_arch (); |
c906108c | 665 | |
51f0e40d AB |
666 | if (args != NULL) |
667 | { | |
668 | struct reggroup *group, *match = NULL; | |
669 | size_t len = strlen (args); | |
670 | ||
671 | /* Make sure the curses mode is enabled. */ | |
672 | tui_enable (); | |
673 | ||
674 | /* Make sure the register window is visible. If not, select an | |
675 | appropriate layout. We need to do this before trying to run the | |
676 | 'next' or 'prev' commands. */ | |
2d83e710 | 677 | if (TUI_DATA_WIN == NULL || !TUI_DATA_WIN->is_visible ()) |
0379b883 | 678 | tui_reg_layout (); |
51f0e40d | 679 | |
0f8d8876 | 680 | struct reggroup *current_group = TUI_DATA_WIN->current_group; |
51f0e40d | 681 | if (strncmp (args, "next", len) == 0) |
fe3eaf1c | 682 | match = tui_reg_next (current_group, gdbarch); |
51f0e40d | 683 | else if (strncmp (args, "prev", len) == 0) |
fe3eaf1c | 684 | match = tui_reg_prev (current_group, gdbarch); |
51f0e40d AB |
685 | |
686 | /* This loop matches on the initial part of a register group | |
687 | name. If this initial part in ARGS matches only one register | |
688 | group then the switch is made. */ | |
689 | for (group = reggroup_next (gdbarch, NULL); | |
690 | group != NULL; | |
691 | group = reggroup_next (gdbarch, group)) | |
692 | { | |
693 | if (strncmp (reggroup_name (group), args, len) == 0) | |
694 | { | |
695 | if (match != NULL) | |
696 | error (_("ambiguous register group name '%s'"), args); | |
697 | match = group; | |
698 | } | |
699 | } | |
700 | ||
701 | if (match == NULL) | |
702 | error (_("unknown register group '%s'"), args); | |
703 | ||
ca02d7c8 | 704 | TUI_DATA_WIN->show_registers (match); |
51f0e40d AB |
705 | } |
706 | else | |
707 | { | |
708 | struct reggroup *group; | |
709 | int first; | |
710 | ||
711 | printf_unfiltered (_("\"tui reg\" must be followed by the name of " | |
712 | "either a register group,\nor one of 'next' " | |
713 | "or 'prev'. Known register groups are:\n")); | |
714 | ||
715 | for (first = 1, group = reggroup_next (gdbarch, NULL); | |
716 | group != NULL; | |
717 | first = 0, group = reggroup_next (gdbarch, group)) | |
718 | { | |
719 | if (!first) | |
720 | printf_unfiltered (", "); | |
721 | printf_unfiltered ("%s", reggroup_name (group)); | |
722 | } | |
723 | ||
724 | printf_unfiltered ("\n"); | |
725 | } | |
10f59415 SC |
726 | } |
727 | ||
51f0e40d AB |
728 | /* Complete names of register groups, and add the special "prev" and "next" |
729 | names. */ | |
c906108c | 730 | |
eb3ff9a5 | 731 | static void |
51f0e40d | 732 | tui_reggroup_completer (struct cmd_list_element *ignore, |
eb3ff9a5 | 733 | completion_tracker &tracker, |
51f0e40d | 734 | const char *text, const char *word) |
10f59415 | 735 | { |
51f0e40d AB |
736 | static const char *extra[] = { "next", "prev", NULL }; |
737 | size_t len = strlen (word); | |
738 | const char **tmp; | |
739 | ||
eb3ff9a5 | 740 | reggroup_completer (ignore, tracker, text, word); |
51f0e40d | 741 | |
eb3ff9a5 | 742 | /* XXXX use complete_on_enum instead? */ |
51f0e40d AB |
743 | for (tmp = extra; *tmp != NULL; ++tmp) |
744 | { | |
745 | if (strncmp (word, *tmp, len) == 0) | |
b02f78f9 | 746 | tracker.add_completion (make_unique_xstrdup (*tmp)); |
51f0e40d | 747 | } |
10f59415 | 748 | } |
c906108c | 749 | |
18ab23af TT |
750 | void |
751 | _initialize_tui_regs (void) | |
752 | { | |
753 | struct cmd_list_element **tuicmd, *cmd; | |
754 | ||
755 | tuicmd = tui_get_cmd_list (); | |
756 | ||
757 | cmd = add_cmd ("reg", class_tui, tui_reg_command, _("\ | |
758 | TUI command to control the register window."), tuicmd); | |
759 | set_cmd_completer (cmd, tui_reggroup_completer); | |
760 | } |