Commit | Line | Data |
---|---|---|
f377b406 | 1 | /* TUI display registers in window. |
f33c6cbf | 2 | |
ecd75fc8 | 3 | Copyright (C) 1998-2014 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" | |
0e9f083f | 33 | #include <string.h> |
d7b2e967 AC |
34 | #include "tui/tui-layout.h" |
35 | #include "tui/tui-win.h" | |
36 | #include "tui/tui-windata.h" | |
37 | #include "tui/tui-wingeneral.h" | |
38 | #include "tui/tui-file.h" | |
2c0b251b | 39 | #include "tui/tui-regs.h" |
10f59415 | 40 | #include "reggroups.h" |
79a45b7d | 41 | #include "valprint.h" |
c906108c | 42 | |
6a83354a | 43 | #include "gdb_curses.h" |
96ec9981 | 44 | |
c906108c SS |
45 | |
46 | /***************************************** | |
10f59415 | 47 | ** STATIC LOCAL FUNCTIONS FORWARD DECLS ** |
c906108c | 48 | ******************************************/ |
10f59415 SC |
49 | static void |
50 | tui_display_register (struct tui_data_element *data, | |
51 | struct tui_gen_win_info *win_info); | |
c906108c | 52 | |
5eccfcc2 UW |
53 | static enum tui_status tui_show_register_group (struct reggroup *group, |
54 | struct frame_info *frame, | |
55 | int refresh_values_only); | |
56 | ||
57 | static enum tui_status tui_get_register (struct frame_info *frame, | |
58 | struct tui_data_element *data, | |
59 | int regnum, int *changedp); | |
60 | ||
6ba8e26f AC |
61 | static void tui_scroll_regs_forward_command (char *, int); |
62 | static void tui_scroll_regs_backward_command (char *, int); | |
c906108c SS |
63 | |
64 | ||
65 | ||
66 | /***************************************** | |
67 | ** PUBLIC FUNCTIONS ** | |
68 | ******************************************/ | |
69 | ||
55fb0713 AC |
70 | /* Answer the number of the last line in the regs display. If there |
71 | are no registers (-1) is returned. */ | |
c906108c | 72 | int |
55fb0713 | 73 | tui_last_regs_line_no (void) |
c906108c | 74 | { |
d02c80cd | 75 | int num_lines = (-1); |
c906108c | 76 | |
6d012f14 | 77 | if (TUI_DATA_WIN->detail.data_display_info.regs_content_count > 0) |
c906108c | 78 | { |
6ba8e26f | 79 | num_lines = (TUI_DATA_WIN->detail.data_display_info.regs_content_count / |
6d012f14 AC |
80 | TUI_DATA_WIN->detail.data_display_info.regs_column_count); |
81 | if (TUI_DATA_WIN->detail.data_display_info.regs_content_count % | |
82 | TUI_DATA_WIN->detail.data_display_info.regs_column_count) | |
6ba8e26f | 83 | num_lines++; |
c906108c | 84 | } |
6ba8e26f | 85 | return num_lines; |
55fb0713 | 86 | } |
c906108c SS |
87 | |
88 | ||
6ba8e26f AC |
89 | /* Answer the line number that the register element at element_no is |
90 | on. If element_no is greater than the number of register elements | |
55fb0713 | 91 | there are, -1 is returned. */ |
c906108c | 92 | int |
6ba8e26f | 93 | tui_line_from_reg_element_no (int element_no) |
c906108c | 94 | { |
6ba8e26f | 95 | if (element_no < TUI_DATA_WIN->detail.data_display_info.regs_content_count) |
c906108c SS |
96 | { |
97 | int i, line = (-1); | |
98 | ||
99 | i = 1; | |
100 | while (line == (-1)) | |
101 | { | |
6ba8e26f | 102 | if (element_no < |
6d012f14 | 103 | (TUI_DATA_WIN->detail.data_display_info.regs_column_count * i)) |
c906108c SS |
104 | line = i - 1; |
105 | else | |
106 | i++; | |
107 | } | |
108 | ||
109 | return line; | |
110 | } | |
111 | else | |
112 | return (-1); | |
55fb0713 | 113 | } |
c906108c SS |
114 | |
115 | ||
1cc6d956 MS |
116 | /* Answer the index of the first element in line_no. If line_no is |
117 | past the register area (-1) is returned. */ | |
c906108c | 118 | int |
6ba8e26f | 119 | tui_first_reg_element_no_inline (int line_no) |
c906108c | 120 | { |
6ba8e26f | 121 | if ((line_no * TUI_DATA_WIN->detail.data_display_info.regs_column_count) |
6d012f14 | 122 | <= TUI_DATA_WIN->detail.data_display_info.regs_content_count) |
6ba8e26f | 123 | return ((line_no + 1) * |
6d012f14 AC |
124 | TUI_DATA_WIN->detail.data_display_info.regs_column_count) - |
125 | TUI_DATA_WIN->detail.data_display_info.regs_column_count; | |
c906108c SS |
126 | else |
127 | return (-1); | |
55fb0713 | 128 | } |
c906108c SS |
129 | |
130 | ||
10f59415 SC |
131 | /* Show the registers of the given group in the data window |
132 | and refresh the window. */ | |
c906108c | 133 | void |
10f59415 | 134 | tui_show_registers (struct reggroup *group) |
c906108c | 135 | { |
22940a24 | 136 | enum tui_status ret = TUI_FAILURE; |
0bfbda3b | 137 | struct tui_data_info *display_info; |
c906108c | 138 | |
0bfbda3b SC |
139 | /* Make sure the curses mode is enabled. */ |
140 | tui_enable (); | |
141 | ||
142 | /* Make sure the register window is visible. If not, select an | |
143 | appropriate layout. */ | |
144 | if (TUI_DATA_WIN == NULL || !TUI_DATA_WIN->generic.is_visible) | |
145 | tui_set_layout_for_display_command (DATA_NAME); | |
146 | ||
147 | display_info = &TUI_DATA_WIN->detail.data_display_info; | |
10f59415 SC |
148 | if (group == 0) |
149 | group = general_reggroup; | |
c906108c | 150 | |
1cc6d956 MS |
151 | /* Say that registers should be displayed, even if there is a |
152 | problem. */ | |
10f59415 SC |
153 | display_info->display_regs = TRUE; |
154 | ||
155 | if (target_has_registers && target_has_stack && target_has_memory) | |
c906108c | 156 | { |
8eb6bda2 | 157 | ret = tui_show_register_group (group, get_selected_frame (NULL), |
10f59415 | 158 | group == display_info->current_group); |
c906108c SS |
159 | } |
160 | if (ret == TUI_FAILURE) | |
161 | { | |
10f59415 | 162 | display_info->current_group = 0; |
edae1ccf | 163 | tui_erase_data_content (NO_REGS_STRING); |
c906108c SS |
164 | } |
165 | else | |
166 | { | |
167 | int i; | |
168 | ||
1cc6d956 | 169 | /* Clear all notation of changed values. */ |
10f59415 | 170 | for (i = 0; i < display_info->regs_content_count; i++) |
c906108c | 171 | { |
10f59415 SC |
172 | struct tui_gen_win_info *data_item_win; |
173 | struct tui_win_element *win; | |
c906108c | 174 | |
10f59415 SC |
175 | data_item_win = &display_info->regs_content[i] |
176 | ->which_element.data_window; | |
177 | win = (struct tui_win_element *) data_item_win->content[0]; | |
178 | win->which_element.data.highlight = FALSE; | |
c906108c | 179 | } |
10f59415 | 180 | display_info->current_group = group; |
edae1ccf | 181 | tui_display_all_data (); |
c906108c | 182 | } |
55fb0713 | 183 | } |
c906108c SS |
184 | |
185 | ||
10f59415 | 186 | /* Set the data window to display the registers of the register group |
1cc6d956 MS |
187 | using the given frame. Values are refreshed only when |
188 | refresh_values_only is TRUE. */ | |
10f59415 SC |
189 | |
190 | static enum tui_status | |
5eccfcc2 | 191 | tui_show_register_group (struct reggroup *group, |
08ef48c5 MS |
192 | struct frame_info *frame, |
193 | int refresh_values_only) | |
10f59415 | 194 | { |
5eccfcc2 | 195 | struct gdbarch *gdbarch = get_frame_arch (frame); |
10f59415 SC |
196 | enum tui_status ret = TUI_FAILURE; |
197 | int nr_regs; | |
198 | int allocated_here = FALSE; | |
199 | int regnum, pos; | |
200 | char title[80]; | |
201 | struct tui_data_info *display_info = &TUI_DATA_WIN->detail.data_display_info; | |
202 | ||
203 | /* Make a new title showing which group we display. */ | |
204 | snprintf (title, sizeof (title) - 1, "Register group: %s", | |
205 | reggroup_name (group)); | |
206 | xfree (TUI_DATA_WIN->generic.title); | |
207 | TUI_DATA_WIN->generic.title = xstrdup (title); | |
208 | ||
209 | /* See how many registers must be displayed. */ | |
210 | nr_regs = 0; | |
f57d151a | 211 | for (regnum = 0; |
5eccfcc2 UW |
212 | regnum < gdbarch_num_regs (gdbarch) |
213 | + gdbarch_num_pseudo_regs (gdbarch); | |
f57d151a | 214 | regnum++) |
10f59415 | 215 | { |
d20c1c3f PA |
216 | const char *name; |
217 | ||
218 | /* Must be in the group. */ | |
219 | if (!gdbarch_register_reggroup_p (gdbarch, regnum, group)) | |
220 | continue; | |
221 | ||
222 | /* If the register name is empty, it is undefined for this | |
223 | processor, so don't display anything. */ | |
224 | name = gdbarch_register_name (gdbarch, regnum); | |
225 | if (name == 0 || *name == '\0') | |
226 | continue; | |
227 | ||
228 | nr_regs++; | |
10f59415 SC |
229 | } |
230 | ||
231 | if (display_info->regs_content_count > 0 && !refresh_values_only) | |
232 | { | |
233 | tui_free_data_content (display_info->regs_content, | |
234 | display_info->regs_content_count); | |
235 | display_info->regs_content_count = 0; | |
236 | } | |
237 | ||
238 | if (display_info->regs_content_count <= 0) | |
239 | { | |
240 | display_info->regs_content = tui_alloc_content (nr_regs, DATA_WIN); | |
241 | allocated_here = TRUE; | |
242 | refresh_values_only = FALSE; | |
243 | } | |
244 | ||
245 | if (display_info->regs_content != (tui_win_content) NULL) | |
246 | { | |
247 | if (!refresh_values_only || allocated_here) | |
248 | { | |
249 | TUI_DATA_WIN->generic.content = (void*) NULL; | |
250 | TUI_DATA_WIN->generic.content_size = 0; | |
251 | tui_add_content_elements (&TUI_DATA_WIN->generic, nr_regs); | |
252 | display_info->regs_content | |
253 | = (tui_win_content) TUI_DATA_WIN->generic.content; | |
254 | display_info->regs_content_count = nr_regs; | |
255 | } | |
256 | ||
1cc6d956 | 257 | /* Now set the register names and values. */ |
10f59415 | 258 | pos = 0; |
f57d151a | 259 | for (regnum = 0; |
5eccfcc2 UW |
260 | regnum < gdbarch_num_regs (gdbarch) |
261 | + gdbarch_num_pseudo_regs (gdbarch); | |
f57d151a | 262 | regnum++) |
10f59415 SC |
263 | { |
264 | struct tui_gen_win_info *data_item_win; | |
265 | struct tui_data_element *data; | |
266 | const char *name; | |
267 | ||
d20c1c3f | 268 | /* Must be in the group. */ |
10f59415 SC |
269 | if (!gdbarch_register_reggroup_p (gdbarch, regnum, group)) |
270 | continue; | |
271 | ||
d20c1c3f PA |
272 | /* If the register name is empty, it is undefined for this |
273 | processor, so don't display anything. */ | |
274 | name = gdbarch_register_name (gdbarch, regnum); | |
275 | if (name == 0 || *name == '\0') | |
276 | continue; | |
10f59415 SC |
277 | |
278 | data_item_win = | |
279 | &display_info->regs_content[pos]->which_element.data_window; | |
9a2b4c1b MS |
280 | data = &((struct tui_win_element *) |
281 | data_item_win->content[0])->which_element.data; | |
10f59415 SC |
282 | if (data) |
283 | { | |
284 | if (!refresh_values_only) | |
285 | { | |
286 | data->item_no = regnum; | |
287 | data->name = name; | |
288 | data->highlight = FALSE; | |
289 | } | |
5eccfcc2 | 290 | tui_get_register (frame, data, regnum, 0); |
10f59415 SC |
291 | } |
292 | pos++; | |
293 | } | |
294 | ||
295 | TUI_DATA_WIN->generic.content_size = | |
296 | display_info->regs_content_count + display_info->data_content_count; | |
297 | ret = TUI_SUCCESS; | |
298 | } | |
299 | ||
300 | return ret; | |
301 | } | |
302 | ||
55fb0713 | 303 | /* Function to display the registers in the content from |
6ba8e26f | 304 | 'start_element_no' until the end of the register content or the end |
55fb0713 AC |
305 | of the display height. No checking for displaying past the end of |
306 | the registers is done here. */ | |
c906108c | 307 | void |
6ba8e26f | 308 | tui_display_registers_from (int start_element_no) |
c906108c | 309 | { |
10f59415 SC |
310 | struct tui_data_info *display_info = &TUI_DATA_WIN->detail.data_display_info; |
311 | ||
e5908723 MS |
312 | if (display_info->regs_content != (tui_win_content) NULL |
313 | && display_info->regs_content_count > 0) | |
c906108c | 314 | { |
d02c80cd | 315 | int i = start_element_no; |
0043e6a5 | 316 | int j, item_win_width, cur_y; |
10f59415 SC |
317 | |
318 | int max_len = 0; | |
319 | for (i = 0; i < display_info->regs_content_count; i++) | |
320 | { | |
321 | struct tui_data_element *data; | |
322 | struct tui_gen_win_info *data_item_win; | |
323 | char *p; | |
324 | int len; | |
325 | ||
9a2b4c1b MS |
326 | data_item_win |
327 | = &display_info->regs_content[i]->which_element.data_window; | |
10f59415 SC |
328 | data = &((struct tui_win_element *) |
329 | data_item_win->content[0])->which_element.data; | |
330 | len = 0; | |
331 | p = data->content; | |
332 | if (p != 0) | |
333 | while (*p) | |
334 | { | |
335 | if (*p++ == '\t') | |
336 | len = 8 * ((len / 8) + 1); | |
337 | else | |
338 | len++; | |
339 | } | |
340 | ||
341 | if (len > max_len) | |
342 | max_len = len; | |
343 | } | |
344 | item_win_width = max_len + 1; | |
345 | i = start_element_no; | |
346 | ||
347 | display_info->regs_column_count = | |
348 | (TUI_DATA_WIN->generic.width - 2) / item_win_width; | |
349 | if (display_info->regs_column_count == 0) | |
350 | display_info->regs_column_count = 1; | |
351 | item_win_width = | |
352 | (TUI_DATA_WIN->generic.width - 2) / display_info->regs_column_count; | |
353 | ||
ef5eab5a MS |
354 | /* Now create each data "sub" window, and write the display into |
355 | it. */ | |
6ba8e26f | 356 | cur_y = 1; |
e5908723 MS |
357 | while (i < display_info->regs_content_count |
358 | && cur_y <= TUI_DATA_WIN->generic.viewport_height) | |
c906108c SS |
359 | { |
360 | for (j = 0; | |
e5908723 MS |
361 | j < display_info->regs_column_count |
362 | && i < display_info->regs_content_count; | |
363 | j++) | |
c906108c | 364 | { |
5b6fe301 MS |
365 | struct tui_gen_win_info *data_item_win; |
366 | struct tui_data_element *data_element_ptr; | |
c906108c | 367 | |
1cc6d956 | 368 | /* Create the window if necessary. */ |
10f59415 SC |
369 | data_item_win = &display_info->regs_content[i] |
370 | ->which_element.data_window; | |
6ba8e26f | 371 | data_element_ptr = &((struct tui_win_element *) |
9a2b4c1b | 372 | data_item_win->content[0])->which_element.data; |
10f59415 SC |
373 | if (data_item_win->handle != (WINDOW*) NULL |
374 | && (data_item_win->height != 1 | |
375 | || data_item_win->width != item_win_width | |
376 | || data_item_win->origin.x != (item_win_width * j) + 1 | |
377 | || data_item_win->origin.y != cur_y)) | |
378 | { | |
379 | tui_delete_win (data_item_win->handle); | |
380 | data_item_win->handle = 0; | |
381 | } | |
382 | ||
6ba8e26f | 383 | if (data_item_win->handle == (WINDOW *) NULL) |
c906108c | 384 | { |
6ba8e26f | 385 | data_item_win->height = 1; |
10f59415 | 386 | data_item_win->width = item_win_width; |
6ba8e26f AC |
387 | data_item_win->origin.x = (item_win_width * j) + 1; |
388 | data_item_win->origin.y = cur_y; | |
389 | tui_make_window (data_item_win, DONT_BOX_WINDOW); | |
390 | scrollok (data_item_win->handle, FALSE); | |
c906108c | 391 | } |
6ba8e26f | 392 | touchwin (data_item_win->handle); |
fea14702 | 393 | |
10f59415 SC |
394 | /* Get the printable representation of the register |
395 | and display it. */ | |
396 | tui_display_register (data_element_ptr, data_item_win); | |
1cc6d956 | 397 | i++; /* Next register. */ |
c906108c | 398 | } |
1cc6d956 | 399 | cur_y++; /* Next row. */ |
c906108c SS |
400 | } |
401 | } | |
55fb0713 | 402 | } |
c906108c SS |
403 | |
404 | ||
6ba8e26f AC |
405 | /* Function to display the registers in the content from |
406 | 'start_element_no' on 'start_line_no' until the end of the register | |
407 | content or the end of the display height. This function checks | |
408 | that we won't display off the end of the register display. */ | |
2c0b251b | 409 | static void |
08ef48c5 MS |
410 | tui_display_reg_element_at_line (int start_element_no, |
411 | int start_line_no) | |
c906108c | 412 | { |
9a2b4c1b MS |
413 | if (TUI_DATA_WIN->detail.data_display_info.regs_content |
414 | != (tui_win_content) NULL | |
e5908723 | 415 | && TUI_DATA_WIN->detail.data_display_info.regs_content_count > 0) |
c906108c | 416 | { |
d02c80cd | 417 | int element_no = start_element_no; |
c906108c | 418 | |
6ba8e26f | 419 | if (start_element_no != 0 && start_line_no != 0) |
c906108c | 420 | { |
d02c80cd | 421 | int last_line_no, first_line_on_last_page; |
c906108c | 422 | |
6ba8e26f | 423 | last_line_no = tui_last_regs_line_no (); |
9a2b4c1b MS |
424 | first_line_on_last_page |
425 | = last_line_no - (TUI_DATA_WIN->generic.height - 2); | |
6ba8e26f AC |
426 | if (first_line_on_last_page < 0) |
427 | first_line_on_last_page = 0; | |
ef5eab5a MS |
428 | |
429 | /* If there is no other data displayed except registers, and | |
430 | the element_no causes us to scroll past the end of the | |
431 | registers, adjust what element to really start the | |
432 | display at. */ | |
e5908723 MS |
433 | if (TUI_DATA_WIN->detail.data_display_info.data_content_count <= 0 |
434 | && start_line_no > first_line_on_last_page) | |
9a2b4c1b MS |
435 | element_no |
436 | = tui_first_reg_element_no_inline (first_line_on_last_page); | |
c906108c | 437 | } |
6ba8e26f | 438 | tui_display_registers_from (element_no); |
c906108c | 439 | } |
6ba8e26f | 440 | } |
c906108c SS |
441 | |
442 | ||
443 | ||
6ba8e26f | 444 | /* Function to display the registers starting at line line_no in the |
55fb0713 AC |
445 | data window. Answers the line number that the display actually |
446 | started from. If nothing is displayed (-1) is returned. */ | |
c906108c | 447 | int |
08ef48c5 MS |
448 | tui_display_registers_from_line (int line_no, |
449 | int force_display) | |
c906108c | 450 | { |
6d012f14 | 451 | if (TUI_DATA_WIN->detail.data_display_info.regs_content_count > 0) |
c906108c | 452 | { |
6ba8e26f | 453 | int line, element_no; |
c906108c | 454 | |
6ba8e26f | 455 | if (line_no < 0) |
c906108c | 456 | line = 0; |
6ba8e26f | 457 | else if (force_display) |
ef5eab5a MS |
458 | { /* If we must display regs (force_display is true), then |
459 | make sure that we don't display off the end of the | |
460 | registers. */ | |
6ba8e26f | 461 | if (line_no >= tui_last_regs_line_no ()) |
c906108c | 462 | { |
55fb0713 | 463 | if ((line = tui_line_from_reg_element_no ( |
6d012f14 | 464 | TUI_DATA_WIN->detail.data_display_info.regs_content_count - 1)) < 0) |
c906108c SS |
465 | line = 0; |
466 | } | |
467 | else | |
6ba8e26f | 468 | line = line_no; |
c906108c SS |
469 | } |
470 | else | |
6ba8e26f | 471 | line = line_no; |
c906108c | 472 | |
6ba8e26f | 473 | element_no = tui_first_reg_element_no_inline (line); |
9a2b4c1b MS |
474 | if (element_no |
475 | < TUI_DATA_WIN->detail.data_display_info.regs_content_count) | |
6ba8e26f | 476 | tui_display_reg_element_at_line (element_no, line); |
c906108c SS |
477 | else |
478 | line = (-1); | |
479 | ||
480 | return line; | |
481 | } | |
482 | ||
1cc6d956 | 483 | return (-1); /* Nothing was displayed. */ |
55fb0713 | 484 | } |
c906108c SS |
485 | |
486 | ||
55fb0713 AC |
487 | /* This function check all displayed registers for changes in values, |
488 | given a particular frame. If the values have changed, they are | |
489 | updated with the new value and highlighted. */ | |
c906108c | 490 | void |
55fb0713 | 491 | tui_check_register_values (struct frame_info *frame) |
c906108c | 492 | { |
e5908723 MS |
493 | if (TUI_DATA_WIN != NULL |
494 | && TUI_DATA_WIN->generic.is_visible) | |
c906108c | 495 | { |
10f59415 SC |
496 | struct tui_data_info *display_info |
497 | = &TUI_DATA_WIN->detail.data_display_info; | |
498 | ||
e5908723 MS |
499 | if (display_info->regs_content_count <= 0 |
500 | && display_info->display_regs) | |
10f59415 | 501 | tui_show_registers (display_info->current_group); |
c906108c SS |
502 | else |
503 | { | |
0043e6a5 | 504 | int i; |
c906108c | 505 | |
10f59415 | 506 | for (i = 0; (i < display_info->regs_content_count); i++) |
c906108c | 507 | { |
10f59415 SC |
508 | struct tui_data_element *data; |
509 | struct tui_gen_win_info *data_item_win_ptr; | |
6ba8e26f | 510 | int was_hilighted; |
c906108c | 511 | |
10f59415 SC |
512 | data_item_win_ptr = &display_info->regs_content[i]-> |
513 | which_element.data_window; | |
514 | data = &((struct tui_win_element *) | |
515 | data_item_win_ptr->content[0])->which_element.data; | |
516 | was_hilighted = data->highlight; | |
517 | ||
5eccfcc2 | 518 | tui_get_register (frame, data, |
10f59415 SC |
519 | data->item_no, &data->highlight); |
520 | ||
521 | if (data->highlight || was_hilighted) | |
c906108c | 522 | { |
10f59415 | 523 | tui_display_register (data, data_item_win_ptr); |
c906108c SS |
524 | } |
525 | } | |
526 | } | |
527 | } | |
55fb0713 | 528 | } |
c906108c | 529 | |
1cc6d956 MS |
530 | /* Display a register in a window. If hilite is TRUE, then the value |
531 | will be displayed in reverse video. */ | |
10f59415 SC |
532 | static void |
533 | tui_display_register (struct tui_data_element *data, | |
534 | struct tui_gen_win_info *win_info) | |
535 | { | |
536 | if (win_info->handle != (WINDOW *) NULL) | |
537 | { | |
538 | int i; | |
c906108c | 539 | |
10f59415 | 540 | if (data->highlight) |
cae3f17b JB |
541 | /* We ignore the return value, casting it to void in order to avoid |
542 | a compiler warning. The warning itself was introduced by a patch | |
543 | to ncurses 5.7 dated 2009-08-29, changing this macro to expand | |
544 | to code that causes the compiler to generate an unused-value | |
545 | warning. */ | |
ae3bccd4 | 546 | (void) wstandout (win_info->handle); |
10f59415 SC |
547 | |
548 | wmove (win_info->handle, 0, 0); | |
549 | for (i = 1; i < win_info->width; i++) | |
550 | waddch (win_info->handle, ' '); | |
551 | wmove (win_info->handle, 0, 0); | |
552 | if (data->content) | |
553 | waddstr (win_info->handle, data->content); | |
554 | ||
555 | if (data->highlight) | |
cae3f17b JB |
556 | /* We ignore the return value, casting it to void in order to avoid |
557 | a compiler warning. The warning itself was introduced by a patch | |
558 | to ncurses 5.7 dated 2009-08-29, changing this macro to expand | |
559 | to code that causes the compiler to generate an unused-value | |
560 | warning. */ | |
ae3bccd4 | 561 | (void) wstandend (win_info->handle); |
10f59415 SC |
562 | tui_refresh_win (win_info); |
563 | } | |
564 | } | |
565 | ||
566 | static void | |
567 | tui_reg_next_command (char *arg, int from_tty) | |
c906108c | 568 | { |
e17c207e UW |
569 | struct gdbarch *gdbarch = get_current_arch (); |
570 | ||
10f59415 SC |
571 | if (TUI_DATA_WIN != 0) |
572 | { | |
573 | struct reggroup *group | |
574 | = TUI_DATA_WIN->detail.data_display_info.current_group; | |
c906108c | 575 | |
e17c207e | 576 | group = reggroup_next (gdbarch, group); |
10f59415 | 577 | if (group == 0) |
e17c207e | 578 | group = reggroup_next (gdbarch, 0); |
10f59415 SC |
579 | |
580 | if (group) | |
581 | tui_show_registers (group); | |
582 | } | |
583 | } | |
584 | ||
585 | static void | |
586 | tui_reg_float_command (char *arg, int from_tty) | |
587 | { | |
588 | tui_show_registers (float_reggroup); | |
589 | } | |
c906108c | 590 | |
10f59415 SC |
591 | static void |
592 | tui_reg_general_command (char *arg, int from_tty) | |
593 | { | |
594 | tui_show_registers (general_reggroup); | |
595 | } | |
c906108c | 596 | |
10f59415 SC |
597 | static void |
598 | tui_reg_system_command (char *arg, int from_tty) | |
599 | { | |
600 | tui_show_registers (system_reggroup); | |
601 | } | |
602 | ||
603 | static struct cmd_list_element *tuireglist; | |
c906108c | 604 | |
10f59415 SC |
605 | static void |
606 | tui_reg_command (char *args, int from_tty) | |
607 | { | |
a3f17187 AC |
608 | printf_unfiltered (_("\"tui reg\" must be followed by the name of a " |
609 | "tui reg command.\n")); | |
635c7e8a | 610 | help_list (tuireglist, "tui reg ", all_commands, gdb_stdout); |
10f59415 | 611 | } |
c906108c | 612 | |
2c0b251b PA |
613 | /* Provide a prototype to silence -Wmissing-prototypes. */ |
614 | extern initialize_file_ftype _initialize_tui_regs; | |
615 | ||
c906108c | 616 | void |
6ba8e26f | 617 | _initialize_tui_regs (void) |
c906108c | 618 | { |
10f59415 SC |
619 | struct cmd_list_element **tuicmd; |
620 | ||
621 | tuicmd = tui_get_cmd_list (); | |
622 | ||
623 | add_prefix_cmd ("reg", class_tui, tui_reg_command, | |
1bedd215 | 624 | _("TUI commands to control the register window."), |
10f59415 SC |
625 | &tuireglist, "tui reg ", 0, |
626 | tuicmd); | |
627 | ||
628 | add_cmd ("float", class_tui, tui_reg_float_command, | |
1a966eab | 629 | _("Display only floating point registers."), |
10f59415 SC |
630 | &tuireglist); |
631 | add_cmd ("general", class_tui, tui_reg_general_command, | |
1a966eab | 632 | _("Display only general registers."), |
10f59415 SC |
633 | &tuireglist); |
634 | add_cmd ("system", class_tui, tui_reg_system_command, | |
1a966eab | 635 | _("Display only system registers."), |
10f59415 SC |
636 | &tuireglist); |
637 | add_cmd ("next", class_tui, tui_reg_next_command, | |
1a966eab | 638 | _("Display next register group."), |
10f59415 SC |
639 | &tuireglist); |
640 | ||
41783295 | 641 | if (xdb_commands) |
c906108c | 642 | { |
10f59415 | 643 | add_com ("fr", class_tui, tui_reg_float_command, |
1bedd215 | 644 | _("Display only floating point registers\n")); |
10f59415 | 645 | add_com ("gr", class_tui, tui_reg_general_command, |
1bedd215 | 646 | _("Display only general registers\n")); |
10f59415 | 647 | add_com ("sr", class_tui, tui_reg_system_command, |
1bedd215 | 648 | _("Display only special registers\n")); |
6ba8e26f | 649 | add_com ("+r", class_tui, tui_scroll_regs_forward_command, |
1bedd215 | 650 | _("Scroll the registers window forward\n")); |
6ba8e26f | 651 | add_com ("-r", class_tui, tui_scroll_regs_backward_command, |
1bedd215 | 652 | _("Scroll the register window backward\n")); |
c906108c | 653 | } |
41783295 | 654 | } |
c906108c SS |
655 | |
656 | ||
657 | /***************************************** | |
658 | ** STATIC LOCAL FUNCTIONS ** | |
659 | ******************************************/ | |
660 | ||
c46cc7df SC |
661 | static void |
662 | tui_restore_gdbout (void *ui) | |
663 | { | |
664 | ui_file_delete (gdb_stdout); | |
665 | gdb_stdout = (struct ui_file*) ui; | |
666 | pagination_enabled = 1; | |
667 | } | |
c906108c | 668 | |
6eed1678 PA |
669 | /* Get the register from the frame and return a printable |
670 | representation of it. */ | |
671 | ||
672 | static char * | |
673 | tui_register_format (struct frame_info *frame, int regnum) | |
c906108c | 674 | { |
5eccfcc2 | 675 | struct gdbarch *gdbarch = get_frame_arch (frame); |
d9fcf2fb | 676 | struct ui_file *stream; |
c46cc7df | 677 | struct ui_file *old_stdout; |
c46cc7df | 678 | struct cleanup *cleanups; |
10f59415 | 679 | char *p, *s; |
6eed1678 | 680 | char *ret; |
d20c1c3f | 681 | |
c46cc7df SC |
682 | pagination_enabled = 0; |
683 | old_stdout = gdb_stdout; | |
10f59415 | 684 | stream = tui_sfileopen (256); |
c46cc7df SC |
685 | gdb_stdout = stream; |
686 | cleanups = make_cleanup (tui_restore_gdbout, (void*) old_stdout); | |
b30aa278 | 687 | gdbarch_print_registers_info (gdbarch, stream, frame, regnum, 1); |
10f59415 SC |
688 | |
689 | /* Save formatted output in the buffer. */ | |
690 | p = tui_file_get_strbuf (stream); | |
c46cc7df SC |
691 | |
692 | /* Remove the possible \n. */ | |
10f59415 SC |
693 | s = strrchr (p, '\n'); |
694 | if (s && s[1] == 0) | |
695 | *s = 0; | |
c46cc7df | 696 | |
6eed1678 | 697 | ret = xstrdup (p); |
c46cc7df | 698 | do_cleanups (cleanups); |
6eed1678 PA |
699 | |
700 | return ret; | |
c46cc7df | 701 | } |
c906108c | 702 | |
1cc6d956 MS |
703 | /* Get the register value from the given frame and format it for the |
704 | display. When changep is set, check if the new register value has | |
705 | changed with respect to the previous call. */ | |
22940a24 | 706 | static enum tui_status |
5eccfcc2 | 707 | tui_get_register (struct frame_info *frame, |
08ef48c5 MS |
708 | struct tui_data_element *data, |
709 | int regnum, int *changedp) | |
c906108c | 710 | { |
22940a24 | 711 | enum tui_status ret = TUI_FAILURE; |
c906108c | 712 | |
10f59415 SC |
713 | if (changedp) |
714 | *changedp = FALSE; | |
c906108c SS |
715 | if (target_has_registers) |
716 | { | |
6eed1678 | 717 | char *prev_content = data->content; |
10f59415 | 718 | |
6eed1678 | 719 | data->content = tui_register_format (frame, regnum); |
9c5ea4d9 | 720 | |
6eed1678 PA |
721 | if (changedp != NULL |
722 | && strcmp (prev_content, data->content) != 0) | |
723 | *changedp = 1; | |
d20c1c3f | 724 | |
6eed1678 | 725 | xfree (prev_content); |
9c5ea4d9 UW |
726 | |
727 | ret = TUI_SUCCESS; | |
c906108c | 728 | } |
c906108c | 729 | return ret; |
6ba8e26f | 730 | } |
c906108c | 731 | |
c906108c | 732 | static void |
6ba8e26f | 733 | tui_scroll_regs_forward_command (char *arg, int from_tty) |
c906108c | 734 | { |
6d012f14 | 735 | tui_scroll (FORWARD_SCROLL, TUI_DATA_WIN, 1); |
e8b915dc | 736 | } |
c906108c SS |
737 | |
738 | ||
739 | static void | |
6ba8e26f | 740 | tui_scroll_regs_backward_command (char *arg, int from_tty) |
c906108c | 741 | { |
6d012f14 | 742 | tui_scroll (BACKWARD_SCROLL, TUI_DATA_WIN, 1); |
e8b915dc | 743 | } |