Commit | Line | Data |
---|---|---|
f377b406 | 1 | /* TUI display registers in window. |
f33c6cbf | 2 | |
32d0add0 | 3 | Copyright (C) 1998-2015 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" | |
35 | #include "tui/tui-windata.h" | |
36 | #include "tui/tui-wingeneral.h" | |
37 | #include "tui/tui-file.h" | |
2c0b251b | 38 | #include "tui/tui-regs.h" |
312809f8 | 39 | #include "tui/tui-io.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 | ||
c906108c SS |
61 | |
62 | ||
63 | /***************************************** | |
64 | ** PUBLIC FUNCTIONS ** | |
65 | ******************************************/ | |
66 | ||
55fb0713 AC |
67 | /* Answer the number of the last line in the regs display. If there |
68 | are no registers (-1) is returned. */ | |
c906108c | 69 | int |
55fb0713 | 70 | tui_last_regs_line_no (void) |
c906108c | 71 | { |
d02c80cd | 72 | int num_lines = (-1); |
c906108c | 73 | |
6d012f14 | 74 | if (TUI_DATA_WIN->detail.data_display_info.regs_content_count > 0) |
c906108c | 75 | { |
6ba8e26f | 76 | num_lines = (TUI_DATA_WIN->detail.data_display_info.regs_content_count / |
6d012f14 AC |
77 | TUI_DATA_WIN->detail.data_display_info.regs_column_count); |
78 | if (TUI_DATA_WIN->detail.data_display_info.regs_content_count % | |
79 | TUI_DATA_WIN->detail.data_display_info.regs_column_count) | |
6ba8e26f | 80 | num_lines++; |
c906108c | 81 | } |
6ba8e26f | 82 | return num_lines; |
55fb0713 | 83 | } |
c906108c SS |
84 | |
85 | ||
6ba8e26f AC |
86 | /* Answer the line number that the register element at element_no is |
87 | on. If element_no is greater than the number of register elements | |
55fb0713 | 88 | there are, -1 is returned. */ |
c906108c | 89 | int |
6ba8e26f | 90 | tui_line_from_reg_element_no (int element_no) |
c906108c | 91 | { |
6ba8e26f | 92 | if (element_no < TUI_DATA_WIN->detail.data_display_info.regs_content_count) |
c906108c SS |
93 | { |
94 | int i, line = (-1); | |
95 | ||
96 | i = 1; | |
97 | while (line == (-1)) | |
98 | { | |
6ba8e26f | 99 | if (element_no < |
6d012f14 | 100 | (TUI_DATA_WIN->detail.data_display_info.regs_column_count * i)) |
c906108c SS |
101 | line = i - 1; |
102 | else | |
103 | i++; | |
104 | } | |
105 | ||
106 | return line; | |
107 | } | |
108 | else | |
109 | return (-1); | |
55fb0713 | 110 | } |
c906108c SS |
111 | |
112 | ||
1cc6d956 MS |
113 | /* Answer the index of the first element in line_no. If line_no is |
114 | past the register area (-1) is returned. */ | |
c906108c | 115 | int |
6ba8e26f | 116 | tui_first_reg_element_no_inline (int line_no) |
c906108c | 117 | { |
6ba8e26f | 118 | if ((line_no * TUI_DATA_WIN->detail.data_display_info.regs_column_count) |
6d012f14 | 119 | <= TUI_DATA_WIN->detail.data_display_info.regs_content_count) |
6ba8e26f | 120 | return ((line_no + 1) * |
6d012f14 AC |
121 | TUI_DATA_WIN->detail.data_display_info.regs_column_count) - |
122 | TUI_DATA_WIN->detail.data_display_info.regs_column_count; | |
c906108c SS |
123 | else |
124 | return (-1); | |
55fb0713 | 125 | } |
c906108c SS |
126 | |
127 | ||
10f59415 SC |
128 | /* Show the registers of the given group in the data window |
129 | and refresh the window. */ | |
c906108c | 130 | void |
10f59415 | 131 | tui_show_registers (struct reggroup *group) |
c906108c | 132 | { |
22940a24 | 133 | enum tui_status ret = TUI_FAILURE; |
0bfbda3b | 134 | struct tui_data_info *display_info; |
c906108c | 135 | |
0bfbda3b SC |
136 | /* Make sure the curses mode is enabled. */ |
137 | tui_enable (); | |
138 | ||
139 | /* Make sure the register window is visible. If not, select an | |
140 | appropriate layout. */ | |
141 | if (TUI_DATA_WIN == NULL || !TUI_DATA_WIN->generic.is_visible) | |
7bd0be3a | 142 | tui_set_layout_by_name (DATA_NAME); |
0bfbda3b SC |
143 | |
144 | display_info = &TUI_DATA_WIN->detail.data_display_info; | |
10f59415 SC |
145 | if (group == 0) |
146 | group = general_reggroup; | |
c906108c | 147 | |
1cc6d956 MS |
148 | /* Say that registers should be displayed, even if there is a |
149 | problem. */ | |
10f59415 SC |
150 | display_info->display_regs = TRUE; |
151 | ||
152 | if (target_has_registers && target_has_stack && target_has_memory) | |
c906108c | 153 | { |
8eb6bda2 | 154 | ret = tui_show_register_group (group, get_selected_frame (NULL), |
10f59415 | 155 | group == display_info->current_group); |
c906108c SS |
156 | } |
157 | if (ret == TUI_FAILURE) | |
158 | { | |
10f59415 | 159 | display_info->current_group = 0; |
edae1ccf | 160 | tui_erase_data_content (NO_REGS_STRING); |
c906108c SS |
161 | } |
162 | else | |
163 | { | |
164 | int i; | |
165 | ||
1cc6d956 | 166 | /* Clear all notation of changed values. */ |
10f59415 | 167 | for (i = 0; i < display_info->regs_content_count; i++) |
c906108c | 168 | { |
10f59415 SC |
169 | struct tui_gen_win_info *data_item_win; |
170 | struct tui_win_element *win; | |
c906108c | 171 | |
10f59415 SC |
172 | data_item_win = &display_info->regs_content[i] |
173 | ->which_element.data_window; | |
63ed8182 | 174 | win = data_item_win->content[0]; |
10f59415 | 175 | win->which_element.data.highlight = FALSE; |
c906108c | 176 | } |
10f59415 | 177 | display_info->current_group = group; |
edae1ccf | 178 | tui_display_all_data (); |
c906108c | 179 | } |
55fb0713 | 180 | } |
c906108c SS |
181 | |
182 | ||
10f59415 | 183 | /* Set the data window to display the registers of the register group |
1cc6d956 MS |
184 | using the given frame. Values are refreshed only when |
185 | refresh_values_only is TRUE. */ | |
10f59415 SC |
186 | |
187 | static enum tui_status | |
5eccfcc2 | 188 | tui_show_register_group (struct reggroup *group, |
08ef48c5 MS |
189 | struct frame_info *frame, |
190 | int refresh_values_only) | |
10f59415 | 191 | { |
5eccfcc2 | 192 | struct gdbarch *gdbarch = get_frame_arch (frame); |
10f59415 SC |
193 | enum tui_status ret = TUI_FAILURE; |
194 | int nr_regs; | |
195 | int allocated_here = FALSE; | |
196 | int regnum, pos; | |
197 | char title[80]; | |
198 | struct tui_data_info *display_info = &TUI_DATA_WIN->detail.data_display_info; | |
199 | ||
200 | /* Make a new title showing which group we display. */ | |
201 | snprintf (title, sizeof (title) - 1, "Register group: %s", | |
202 | reggroup_name (group)); | |
203 | xfree (TUI_DATA_WIN->generic.title); | |
204 | TUI_DATA_WIN->generic.title = xstrdup (title); | |
205 | ||
206 | /* See how many registers must be displayed. */ | |
207 | nr_regs = 0; | |
f57d151a | 208 | for (regnum = 0; |
5eccfcc2 UW |
209 | regnum < gdbarch_num_regs (gdbarch) |
210 | + gdbarch_num_pseudo_regs (gdbarch); | |
f57d151a | 211 | regnum++) |
10f59415 | 212 | { |
d20c1c3f PA |
213 | const char *name; |
214 | ||
215 | /* Must be in the group. */ | |
216 | if (!gdbarch_register_reggroup_p (gdbarch, regnum, group)) | |
217 | continue; | |
218 | ||
219 | /* If the register name is empty, it is undefined for this | |
220 | processor, so don't display anything. */ | |
221 | name = gdbarch_register_name (gdbarch, regnum); | |
222 | if (name == 0 || *name == '\0') | |
223 | continue; | |
224 | ||
225 | nr_regs++; | |
10f59415 SC |
226 | } |
227 | ||
228 | if (display_info->regs_content_count > 0 && !refresh_values_only) | |
229 | { | |
230 | tui_free_data_content (display_info->regs_content, | |
231 | display_info->regs_content_count); | |
232 | display_info->regs_content_count = 0; | |
233 | } | |
234 | ||
235 | if (display_info->regs_content_count <= 0) | |
236 | { | |
237 | display_info->regs_content = tui_alloc_content (nr_regs, DATA_WIN); | |
238 | allocated_here = TRUE; | |
239 | refresh_values_only = FALSE; | |
240 | } | |
241 | ||
242 | if (display_info->regs_content != (tui_win_content) NULL) | |
243 | { | |
244 | if (!refresh_values_only || allocated_here) | |
245 | { | |
246 | TUI_DATA_WIN->generic.content = (void*) NULL; | |
247 | TUI_DATA_WIN->generic.content_size = 0; | |
248 | tui_add_content_elements (&TUI_DATA_WIN->generic, nr_regs); | |
249 | display_info->regs_content | |
250 | = (tui_win_content) TUI_DATA_WIN->generic.content; | |
251 | display_info->regs_content_count = nr_regs; | |
252 | } | |
253 | ||
1cc6d956 | 254 | /* Now set the register names and values. */ |
10f59415 | 255 | pos = 0; |
f57d151a | 256 | for (regnum = 0; |
5eccfcc2 UW |
257 | regnum < gdbarch_num_regs (gdbarch) |
258 | + gdbarch_num_pseudo_regs (gdbarch); | |
f57d151a | 259 | regnum++) |
10f59415 SC |
260 | { |
261 | struct tui_gen_win_info *data_item_win; | |
262 | struct tui_data_element *data; | |
263 | const char *name; | |
264 | ||
d20c1c3f | 265 | /* Must be in the group. */ |
10f59415 SC |
266 | if (!gdbarch_register_reggroup_p (gdbarch, regnum, group)) |
267 | continue; | |
268 | ||
d20c1c3f PA |
269 | /* If the register name is empty, it is undefined for this |
270 | processor, so don't display anything. */ | |
271 | name = gdbarch_register_name (gdbarch, regnum); | |
272 | if (name == 0 || *name == '\0') | |
273 | continue; | |
10f59415 SC |
274 | |
275 | data_item_win = | |
276 | &display_info->regs_content[pos]->which_element.data_window; | |
63ed8182 | 277 | data = &data_item_win->content[0]->which_element.data; |
10f59415 SC |
278 | if (data) |
279 | { | |
280 | if (!refresh_values_only) | |
281 | { | |
282 | data->item_no = regnum; | |
283 | data->name = name; | |
284 | data->highlight = FALSE; | |
285 | } | |
5eccfcc2 | 286 | tui_get_register (frame, data, regnum, 0); |
10f59415 SC |
287 | } |
288 | pos++; | |
289 | } | |
290 | ||
291 | TUI_DATA_WIN->generic.content_size = | |
292 | display_info->regs_content_count + display_info->data_content_count; | |
293 | ret = TUI_SUCCESS; | |
294 | } | |
295 | ||
296 | return ret; | |
297 | } | |
298 | ||
55fb0713 | 299 | /* Function to display the registers in the content from |
6ba8e26f | 300 | 'start_element_no' until the end of the register content or the end |
55fb0713 AC |
301 | of the display height. No checking for displaying past the end of |
302 | the registers is done here. */ | |
c906108c | 303 | void |
6ba8e26f | 304 | tui_display_registers_from (int start_element_no) |
c906108c | 305 | { |
10f59415 SC |
306 | struct tui_data_info *display_info = &TUI_DATA_WIN->detail.data_display_info; |
307 | ||
e5908723 MS |
308 | if (display_info->regs_content != (tui_win_content) NULL |
309 | && display_info->regs_content_count > 0) | |
c906108c | 310 | { |
d02c80cd | 311 | int i = start_element_no; |
0043e6a5 | 312 | int j, item_win_width, cur_y; |
10f59415 SC |
313 | |
314 | int max_len = 0; | |
315 | for (i = 0; i < display_info->regs_content_count; i++) | |
316 | { | |
317 | struct tui_data_element *data; | |
318 | struct tui_gen_win_info *data_item_win; | |
319 | char *p; | |
320 | int len; | |
321 | ||
9a2b4c1b MS |
322 | data_item_win |
323 | = &display_info->regs_content[i]->which_element.data_window; | |
63ed8182 | 324 | data = &data_item_win->content[0]->which_element.data; |
10f59415 SC |
325 | len = 0; |
326 | p = data->content; | |
327 | if (p != 0) | |
328 | while (*p) | |
329 | { | |
330 | if (*p++ == '\t') | |
331 | len = 8 * ((len / 8) + 1); | |
332 | else | |
333 | len++; | |
334 | } | |
335 | ||
336 | if (len > max_len) | |
337 | max_len = len; | |
338 | } | |
339 | item_win_width = max_len + 1; | |
340 | i = start_element_no; | |
341 | ||
342 | display_info->regs_column_count = | |
343 | (TUI_DATA_WIN->generic.width - 2) / item_win_width; | |
344 | if (display_info->regs_column_count == 0) | |
345 | display_info->regs_column_count = 1; | |
346 | item_win_width = | |
347 | (TUI_DATA_WIN->generic.width - 2) / display_info->regs_column_count; | |
348 | ||
ef5eab5a MS |
349 | /* Now create each data "sub" window, and write the display into |
350 | it. */ | |
6ba8e26f | 351 | cur_y = 1; |
e5908723 MS |
352 | while (i < display_info->regs_content_count |
353 | && cur_y <= TUI_DATA_WIN->generic.viewport_height) | |
c906108c SS |
354 | { |
355 | for (j = 0; | |
e5908723 MS |
356 | j < display_info->regs_column_count |
357 | && i < display_info->regs_content_count; | |
358 | j++) | |
c906108c | 359 | { |
5b6fe301 MS |
360 | struct tui_gen_win_info *data_item_win; |
361 | struct tui_data_element *data_element_ptr; | |
c906108c | 362 | |
1cc6d956 | 363 | /* Create the window if necessary. */ |
10f59415 SC |
364 | data_item_win = &display_info->regs_content[i] |
365 | ->which_element.data_window; | |
63ed8182 | 366 | data_element_ptr = &data_item_win->content[0]->which_element.data; |
10f59415 SC |
367 | if (data_item_win->handle != (WINDOW*) NULL |
368 | && (data_item_win->height != 1 | |
369 | || data_item_win->width != item_win_width | |
370 | || data_item_win->origin.x != (item_win_width * j) + 1 | |
371 | || data_item_win->origin.y != cur_y)) | |
372 | { | |
373 | tui_delete_win (data_item_win->handle); | |
374 | data_item_win->handle = 0; | |
375 | } | |
376 | ||
6ba8e26f | 377 | if (data_item_win->handle == (WINDOW *) NULL) |
c906108c | 378 | { |
6ba8e26f | 379 | data_item_win->height = 1; |
10f59415 | 380 | data_item_win->width = item_win_width; |
6ba8e26f AC |
381 | data_item_win->origin.x = (item_win_width * j) + 1; |
382 | data_item_win->origin.y = cur_y; | |
383 | tui_make_window (data_item_win, DONT_BOX_WINDOW); | |
384 | scrollok (data_item_win->handle, FALSE); | |
c906108c | 385 | } |
6ba8e26f | 386 | touchwin (data_item_win->handle); |
fea14702 | 387 | |
10f59415 SC |
388 | /* Get the printable representation of the register |
389 | and display it. */ | |
390 | tui_display_register (data_element_ptr, data_item_win); | |
1cc6d956 | 391 | i++; /* Next register. */ |
c906108c | 392 | } |
1cc6d956 | 393 | cur_y++; /* Next row. */ |
c906108c SS |
394 | } |
395 | } | |
55fb0713 | 396 | } |
c906108c SS |
397 | |
398 | ||
6ba8e26f AC |
399 | /* Function to display the registers in the content from |
400 | 'start_element_no' on 'start_line_no' until the end of the register | |
401 | content or the end of the display height. This function checks | |
402 | that we won't display off the end of the register display. */ | |
2c0b251b | 403 | static void |
08ef48c5 MS |
404 | tui_display_reg_element_at_line (int start_element_no, |
405 | int start_line_no) | |
c906108c | 406 | { |
9a2b4c1b MS |
407 | if (TUI_DATA_WIN->detail.data_display_info.regs_content |
408 | != (tui_win_content) NULL | |
e5908723 | 409 | && TUI_DATA_WIN->detail.data_display_info.regs_content_count > 0) |
c906108c | 410 | { |
d02c80cd | 411 | int element_no = start_element_no; |
c906108c | 412 | |
6ba8e26f | 413 | if (start_element_no != 0 && start_line_no != 0) |
c906108c | 414 | { |
d02c80cd | 415 | int last_line_no, first_line_on_last_page; |
c906108c | 416 | |
6ba8e26f | 417 | last_line_no = tui_last_regs_line_no (); |
9a2b4c1b MS |
418 | first_line_on_last_page |
419 | = last_line_no - (TUI_DATA_WIN->generic.height - 2); | |
6ba8e26f AC |
420 | if (first_line_on_last_page < 0) |
421 | first_line_on_last_page = 0; | |
ef5eab5a MS |
422 | |
423 | /* If there is no other data displayed except registers, and | |
424 | the element_no causes us to scroll past the end of the | |
425 | registers, adjust what element to really start the | |
426 | display at. */ | |
e5908723 MS |
427 | if (TUI_DATA_WIN->detail.data_display_info.data_content_count <= 0 |
428 | && start_line_no > first_line_on_last_page) | |
9a2b4c1b MS |
429 | element_no |
430 | = tui_first_reg_element_no_inline (first_line_on_last_page); | |
c906108c | 431 | } |
6ba8e26f | 432 | tui_display_registers_from (element_no); |
c906108c | 433 | } |
6ba8e26f | 434 | } |
c906108c SS |
435 | |
436 | ||
437 | ||
6ba8e26f | 438 | /* Function to display the registers starting at line line_no in the |
55fb0713 AC |
439 | data window. Answers the line number that the display actually |
440 | started from. If nothing is displayed (-1) is returned. */ | |
c906108c | 441 | int |
08ef48c5 MS |
442 | tui_display_registers_from_line (int line_no, |
443 | int force_display) | |
c906108c | 444 | { |
6d012f14 | 445 | if (TUI_DATA_WIN->detail.data_display_info.regs_content_count > 0) |
c906108c | 446 | { |
6ba8e26f | 447 | int line, element_no; |
c906108c | 448 | |
6ba8e26f | 449 | if (line_no < 0) |
c906108c | 450 | line = 0; |
6ba8e26f | 451 | else if (force_display) |
ef5eab5a MS |
452 | { /* If we must display regs (force_display is true), then |
453 | make sure that we don't display off the end of the | |
454 | registers. */ | |
6ba8e26f | 455 | if (line_no >= tui_last_regs_line_no ()) |
c906108c | 456 | { |
55fb0713 | 457 | if ((line = tui_line_from_reg_element_no ( |
6d012f14 | 458 | TUI_DATA_WIN->detail.data_display_info.regs_content_count - 1)) < 0) |
c906108c SS |
459 | line = 0; |
460 | } | |
461 | else | |
6ba8e26f | 462 | line = line_no; |
c906108c SS |
463 | } |
464 | else | |
6ba8e26f | 465 | line = line_no; |
c906108c | 466 | |
6ba8e26f | 467 | element_no = tui_first_reg_element_no_inline (line); |
9a2b4c1b MS |
468 | if (element_no |
469 | < TUI_DATA_WIN->detail.data_display_info.regs_content_count) | |
6ba8e26f | 470 | tui_display_reg_element_at_line (element_no, line); |
c906108c SS |
471 | else |
472 | line = (-1); | |
473 | ||
474 | return line; | |
475 | } | |
476 | ||
1cc6d956 | 477 | return (-1); /* Nothing was displayed. */ |
55fb0713 | 478 | } |
c906108c SS |
479 | |
480 | ||
55fb0713 AC |
481 | /* This function check all displayed registers for changes in values, |
482 | given a particular frame. If the values have changed, they are | |
483 | updated with the new value and highlighted. */ | |
c906108c | 484 | void |
55fb0713 | 485 | tui_check_register_values (struct frame_info *frame) |
c906108c | 486 | { |
e5908723 MS |
487 | if (TUI_DATA_WIN != NULL |
488 | && TUI_DATA_WIN->generic.is_visible) | |
c906108c | 489 | { |
10f59415 SC |
490 | struct tui_data_info *display_info |
491 | = &TUI_DATA_WIN->detail.data_display_info; | |
492 | ||
e5908723 MS |
493 | if (display_info->regs_content_count <= 0 |
494 | && display_info->display_regs) | |
10f59415 | 495 | tui_show_registers (display_info->current_group); |
c906108c SS |
496 | else |
497 | { | |
0043e6a5 | 498 | int i; |
c906108c | 499 | |
10f59415 | 500 | for (i = 0; (i < display_info->regs_content_count); i++) |
c906108c | 501 | { |
10f59415 SC |
502 | struct tui_data_element *data; |
503 | struct tui_gen_win_info *data_item_win_ptr; | |
6ba8e26f | 504 | int was_hilighted; |
c906108c | 505 | |
10f59415 SC |
506 | data_item_win_ptr = &display_info->regs_content[i]-> |
507 | which_element.data_window; | |
63ed8182 | 508 | data = &data_item_win_ptr->content[0]->which_element.data; |
10f59415 SC |
509 | was_hilighted = data->highlight; |
510 | ||
5eccfcc2 | 511 | tui_get_register (frame, data, |
10f59415 SC |
512 | data->item_no, &data->highlight); |
513 | ||
514 | if (data->highlight || was_hilighted) | |
c906108c | 515 | { |
10f59415 | 516 | tui_display_register (data, data_item_win_ptr); |
c906108c SS |
517 | } |
518 | } | |
519 | } | |
520 | } | |
55fb0713 | 521 | } |
c906108c | 522 | |
1cc6d956 MS |
523 | /* Display a register in a window. If hilite is TRUE, then the value |
524 | will be displayed in reverse video. */ | |
10f59415 SC |
525 | static void |
526 | tui_display_register (struct tui_data_element *data, | |
527 | struct tui_gen_win_info *win_info) | |
528 | { | |
529 | if (win_info->handle != (WINDOW *) NULL) | |
530 | { | |
531 | int i; | |
c906108c | 532 | |
10f59415 | 533 | if (data->highlight) |
cae3f17b JB |
534 | /* We ignore the return value, casting it to void in order to avoid |
535 | a compiler warning. The warning itself was introduced by a patch | |
536 | to ncurses 5.7 dated 2009-08-29, changing this macro to expand | |
537 | to code that causes the compiler to generate an unused-value | |
538 | warning. */ | |
ae3bccd4 | 539 | (void) wstandout (win_info->handle); |
10f59415 SC |
540 | |
541 | wmove (win_info->handle, 0, 0); | |
542 | for (i = 1; i < win_info->width; i++) | |
543 | waddch (win_info->handle, ' '); | |
544 | wmove (win_info->handle, 0, 0); | |
545 | if (data->content) | |
546 | waddstr (win_info->handle, data->content); | |
547 | ||
548 | if (data->highlight) | |
cae3f17b JB |
549 | /* We ignore the return value, casting it to void in order to avoid |
550 | a compiler warning. The warning itself was introduced by a patch | |
551 | to ncurses 5.7 dated 2009-08-29, changing this macro to expand | |
552 | to code that causes the compiler to generate an unused-value | |
553 | warning. */ | |
ae3bccd4 | 554 | (void) wstandend (win_info->handle); |
10f59415 SC |
555 | tui_refresh_win (win_info); |
556 | } | |
557 | } | |
558 | ||
559 | static void | |
560 | tui_reg_next_command (char *arg, int from_tty) | |
c906108c | 561 | { |
e17c207e UW |
562 | struct gdbarch *gdbarch = get_current_arch (); |
563 | ||
b75c69bb | 564 | if (TUI_DATA_WIN != NULL) |
10f59415 SC |
565 | { |
566 | struct reggroup *group | |
567 | = TUI_DATA_WIN->detail.data_display_info.current_group; | |
c906108c | 568 | |
e17c207e | 569 | group = reggroup_next (gdbarch, group); |
b75c69bb AB |
570 | if (group == NULL) |
571 | group = reggroup_next (gdbarch, NULL); | |
10f59415 | 572 | |
b93fd21d | 573 | if (group != NULL) |
10f59415 SC |
574 | tui_show_registers (group); |
575 | } | |
576 | } | |
577 | ||
55b40027 AB |
578 | /* Implementation of the "tui reg prev" command. Cycle the register group |
579 | displayed in the tui REG window, moving backwards through the list of | |
580 | available register groups. */ | |
581 | ||
582 | static void | |
583 | tui_reg_prev_command (char *arg, int from_tty) | |
584 | { | |
585 | struct gdbarch *gdbarch = get_current_arch (); | |
586 | ||
587 | if (TUI_DATA_WIN != NULL) | |
588 | { | |
589 | struct reggroup *group | |
590 | = TUI_DATA_WIN->detail.data_display_info.current_group; | |
591 | ||
592 | group = reggroup_prev (gdbarch, group); | |
593 | if (group == NULL) | |
594 | group = reggroup_prev (gdbarch, NULL); | |
595 | ||
596 | if (group != NULL) | |
597 | tui_show_registers (group); | |
598 | } | |
599 | } | |
600 | ||
10f59415 SC |
601 | static void |
602 | tui_reg_float_command (char *arg, int from_tty) | |
603 | { | |
604 | tui_show_registers (float_reggroup); | |
605 | } | |
c906108c | 606 | |
10f59415 SC |
607 | static void |
608 | tui_reg_general_command (char *arg, int from_tty) | |
609 | { | |
610 | tui_show_registers (general_reggroup); | |
611 | } | |
c906108c | 612 | |
10f59415 SC |
613 | static void |
614 | tui_reg_system_command (char *arg, int from_tty) | |
615 | { | |
616 | tui_show_registers (system_reggroup); | |
617 | } | |
618 | ||
619 | static struct cmd_list_element *tuireglist; | |
c906108c | 620 | |
10f59415 SC |
621 | static void |
622 | tui_reg_command (char *args, int from_tty) | |
623 | { | |
a3f17187 AC |
624 | printf_unfiltered (_("\"tui reg\" must be followed by the name of a " |
625 | "tui reg command.\n")); | |
635c7e8a | 626 | help_list (tuireglist, "tui reg ", all_commands, gdb_stdout); |
10f59415 | 627 | } |
c906108c | 628 | |
2c0b251b PA |
629 | /* Provide a prototype to silence -Wmissing-prototypes. */ |
630 | extern initialize_file_ftype _initialize_tui_regs; | |
631 | ||
c906108c | 632 | void |
6ba8e26f | 633 | _initialize_tui_regs (void) |
c906108c | 634 | { |
10f59415 SC |
635 | struct cmd_list_element **tuicmd; |
636 | ||
637 | tuicmd = tui_get_cmd_list (); | |
638 | ||
639 | add_prefix_cmd ("reg", class_tui, tui_reg_command, | |
1bedd215 | 640 | _("TUI commands to control the register window."), |
10f59415 SC |
641 | &tuireglist, "tui reg ", 0, |
642 | tuicmd); | |
643 | ||
644 | add_cmd ("float", class_tui, tui_reg_float_command, | |
1a966eab | 645 | _("Display only floating point registers."), |
10f59415 SC |
646 | &tuireglist); |
647 | add_cmd ("general", class_tui, tui_reg_general_command, | |
1a966eab | 648 | _("Display only general registers."), |
10f59415 SC |
649 | &tuireglist); |
650 | add_cmd ("system", class_tui, tui_reg_system_command, | |
1a966eab | 651 | _("Display only system registers."), |
10f59415 SC |
652 | &tuireglist); |
653 | add_cmd ("next", class_tui, tui_reg_next_command, | |
1a966eab | 654 | _("Display next register group."), |
10f59415 | 655 | &tuireglist); |
55b40027 AB |
656 | add_cmd ("prev", class_tui, tui_reg_prev_command, |
657 | _("Display previous register group."), | |
658 | &tuireglist); | |
41783295 | 659 | } |
c906108c SS |
660 | |
661 | ||
662 | /***************************************** | |
663 | ** STATIC LOCAL FUNCTIONS ** | |
664 | ******************************************/ | |
665 | ||
c46cc7df SC |
666 | static void |
667 | tui_restore_gdbout (void *ui) | |
668 | { | |
669 | ui_file_delete (gdb_stdout); | |
670 | gdb_stdout = (struct ui_file*) ui; | |
671 | pagination_enabled = 1; | |
672 | } | |
c906108c | 673 | |
6eed1678 PA |
674 | /* Get the register from the frame and return a printable |
675 | representation of it. */ | |
676 | ||
677 | static char * | |
678 | tui_register_format (struct frame_info *frame, int regnum) | |
c906108c | 679 | { |
5eccfcc2 | 680 | struct gdbarch *gdbarch = get_frame_arch (frame); |
d9fcf2fb | 681 | struct ui_file *stream; |
c46cc7df | 682 | struct ui_file *old_stdout; |
c46cc7df | 683 | struct cleanup *cleanups; |
10f59415 | 684 | char *p, *s; |
6eed1678 | 685 | char *ret; |
d20c1c3f | 686 | |
c46cc7df SC |
687 | pagination_enabled = 0; |
688 | old_stdout = gdb_stdout; | |
10f59415 | 689 | stream = tui_sfileopen (256); |
c46cc7df SC |
690 | gdb_stdout = stream; |
691 | cleanups = make_cleanup (tui_restore_gdbout, (void*) old_stdout); | |
b30aa278 | 692 | gdbarch_print_registers_info (gdbarch, stream, frame, regnum, 1); |
10f59415 SC |
693 | |
694 | /* Save formatted output in the buffer. */ | |
695 | p = tui_file_get_strbuf (stream); | |
c46cc7df SC |
696 | |
697 | /* Remove the possible \n. */ | |
10f59415 SC |
698 | s = strrchr (p, '\n'); |
699 | if (s && s[1] == 0) | |
700 | *s = 0; | |
c46cc7df | 701 | |
312809f8 EZ |
702 | /* Expand tabs into spaces, since ncurses on MS-Windows doesn't. */ |
703 | ret = tui_expand_tabs (p, 0); | |
704 | ||
c46cc7df | 705 | do_cleanups (cleanups); |
6eed1678 PA |
706 | |
707 | return ret; | |
c46cc7df | 708 | } |
c906108c | 709 | |
1cc6d956 MS |
710 | /* Get the register value from the given frame and format it for the |
711 | display. When changep is set, check if the new register value has | |
712 | changed with respect to the previous call. */ | |
22940a24 | 713 | static enum tui_status |
5eccfcc2 | 714 | tui_get_register (struct frame_info *frame, |
08ef48c5 MS |
715 | struct tui_data_element *data, |
716 | int regnum, int *changedp) | |
c906108c | 717 | { |
22940a24 | 718 | enum tui_status ret = TUI_FAILURE; |
c906108c | 719 | |
10f59415 SC |
720 | if (changedp) |
721 | *changedp = FALSE; | |
c906108c SS |
722 | if (target_has_registers) |
723 | { | |
6eed1678 | 724 | char *prev_content = data->content; |
10f59415 | 725 | |
6eed1678 | 726 | data->content = tui_register_format (frame, regnum); |
9c5ea4d9 | 727 | |
6eed1678 PA |
728 | if (changedp != NULL |
729 | && strcmp (prev_content, data->content) != 0) | |
730 | *changedp = 1; | |
d20c1c3f | 731 | |
6eed1678 | 732 | xfree (prev_content); |
9c5ea4d9 UW |
733 | |
734 | ret = TUI_SUCCESS; | |
c906108c | 735 | } |
c906108c | 736 | return ret; |
6ba8e26f | 737 | } |