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Commit | Line | Data |
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f377b406 | 1 | /* TUI display registers in window. |
f33c6cbf | 2 | |
c5a57081 | 3 | Copyright (C) 1998-2004, 2007-2012 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" | |
6d012f14 | 33 | #include "gdb_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 | ||
61 | static void tui_register_format (struct frame_info *, | |
62 | struct tui_data_element*, int); | |
c906108c | 63 | |
6ba8e26f AC |
64 | static void tui_scroll_regs_forward_command (char *, int); |
65 | static void tui_scroll_regs_backward_command (char *, int); | |
c906108c SS |
66 | |
67 | ||
68 | ||
69 | /***************************************** | |
70 | ** PUBLIC FUNCTIONS ** | |
71 | ******************************************/ | |
72 | ||
55fb0713 AC |
73 | /* Answer the number of the last line in the regs display. If there |
74 | are no registers (-1) is returned. */ | |
c906108c | 75 | int |
55fb0713 | 76 | tui_last_regs_line_no (void) |
c906108c | 77 | { |
d02c80cd | 78 | int num_lines = (-1); |
c906108c | 79 | |
6d012f14 | 80 | if (TUI_DATA_WIN->detail.data_display_info.regs_content_count > 0) |
c906108c | 81 | { |
6ba8e26f | 82 | num_lines = (TUI_DATA_WIN->detail.data_display_info.regs_content_count / |
6d012f14 AC |
83 | TUI_DATA_WIN->detail.data_display_info.regs_column_count); |
84 | if (TUI_DATA_WIN->detail.data_display_info.regs_content_count % | |
85 | TUI_DATA_WIN->detail.data_display_info.regs_column_count) | |
6ba8e26f | 86 | num_lines++; |
c906108c | 87 | } |
6ba8e26f | 88 | return num_lines; |
55fb0713 | 89 | } |
c906108c SS |
90 | |
91 | ||
6ba8e26f AC |
92 | /* Answer the line number that the register element at element_no is |
93 | on. If element_no is greater than the number of register elements | |
55fb0713 | 94 | there are, -1 is returned. */ |
c906108c | 95 | int |
6ba8e26f | 96 | tui_line_from_reg_element_no (int element_no) |
c906108c | 97 | { |
6ba8e26f | 98 | if (element_no < TUI_DATA_WIN->detail.data_display_info.regs_content_count) |
c906108c SS |
99 | { |
100 | int i, line = (-1); | |
101 | ||
102 | i = 1; | |
103 | while (line == (-1)) | |
104 | { | |
6ba8e26f | 105 | if (element_no < |
6d012f14 | 106 | (TUI_DATA_WIN->detail.data_display_info.regs_column_count * i)) |
c906108c SS |
107 | line = i - 1; |
108 | else | |
109 | i++; | |
110 | } | |
111 | ||
112 | return line; | |
113 | } | |
114 | else | |
115 | return (-1); | |
55fb0713 | 116 | } |
c906108c SS |
117 | |
118 | ||
1cc6d956 MS |
119 | /* Answer the index of the first element in line_no. If line_no is |
120 | past the register area (-1) is returned. */ | |
c906108c | 121 | int |
6ba8e26f | 122 | tui_first_reg_element_no_inline (int line_no) |
c906108c | 123 | { |
6ba8e26f | 124 | if ((line_no * TUI_DATA_WIN->detail.data_display_info.regs_column_count) |
6d012f14 | 125 | <= TUI_DATA_WIN->detail.data_display_info.regs_content_count) |
6ba8e26f | 126 | return ((line_no + 1) * |
6d012f14 AC |
127 | TUI_DATA_WIN->detail.data_display_info.regs_column_count) - |
128 | TUI_DATA_WIN->detail.data_display_info.regs_column_count; | |
c906108c SS |
129 | else |
130 | return (-1); | |
55fb0713 | 131 | } |
c906108c SS |
132 | |
133 | ||
6ba8e26f AC |
134 | /* Answer the index of the last element in line_no. If line_no is |
135 | past the register area (-1) is returned. */ | |
c906108c | 136 | int |
6ba8e26f | 137 | tui_last_reg_element_no_in_line (int line_no) |
c906108c | 138 | { |
6ba8e26f | 139 | if ((line_no * TUI_DATA_WIN->detail.data_display_info.regs_column_count) <= |
6d012f14 | 140 | TUI_DATA_WIN->detail.data_display_info.regs_content_count) |
6ba8e26f | 141 | return ((line_no + 1) * |
6d012f14 | 142 | TUI_DATA_WIN->detail.data_display_info.regs_column_count) - 1; |
c906108c SS |
143 | else |
144 | return (-1); | |
6ba8e26f | 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 |
10f59415 | 150 | tui_show_registers (struct reggroup *group) |
c906108c | 151 | { |
22940a24 | 152 | enum tui_status ret = TUI_FAILURE; |
0bfbda3b | 153 | struct tui_data_info *display_info; |
c906108c | 154 | |
0bfbda3b SC |
155 | /* Make sure the curses mode is enabled. */ |
156 | tui_enable (); | |
157 | ||
158 | /* Make sure the register window is visible. If not, select an | |
159 | appropriate layout. */ | |
160 | if (TUI_DATA_WIN == NULL || !TUI_DATA_WIN->generic.is_visible) | |
161 | tui_set_layout_for_display_command (DATA_NAME); | |
162 | ||
163 | display_info = &TUI_DATA_WIN->detail.data_display_info; | |
10f59415 SC |
164 | if (group == 0) |
165 | group = general_reggroup; | |
c906108c | 166 | |
1cc6d956 MS |
167 | /* Say that registers should be displayed, even if there is a |
168 | problem. */ | |
10f59415 SC |
169 | display_info->display_regs = TRUE; |
170 | ||
171 | if (target_has_registers && target_has_stack && target_has_memory) | |
c906108c | 172 | { |
5eccfcc2 | 173 | ret = tui_show_register_group (group, get_current_frame (), |
10f59415 | 174 | group == display_info->current_group); |
c906108c SS |
175 | } |
176 | if (ret == TUI_FAILURE) | |
177 | { | |
10f59415 | 178 | display_info->current_group = 0; |
edae1ccf | 179 | tui_erase_data_content (NO_REGS_STRING); |
c906108c SS |
180 | } |
181 | else | |
182 | { | |
183 | int i; | |
184 | ||
1cc6d956 | 185 | /* Clear all notation of changed values. */ |
10f59415 | 186 | for (i = 0; i < display_info->regs_content_count; i++) |
c906108c | 187 | { |
10f59415 SC |
188 | struct tui_gen_win_info *data_item_win; |
189 | struct tui_win_element *win; | |
c906108c | 190 | |
10f59415 SC |
191 | data_item_win = &display_info->regs_content[i] |
192 | ->which_element.data_window; | |
193 | win = (struct tui_win_element *) data_item_win->content[0]; | |
194 | win->which_element.data.highlight = FALSE; | |
c906108c | 195 | } |
10f59415 | 196 | display_info->current_group = group; |
edae1ccf | 197 | tui_display_all_data (); |
c906108c | 198 | } |
55fb0713 | 199 | } |
c906108c SS |
200 | |
201 | ||
10f59415 | 202 | /* Set the data window to display the registers of the register group |
1cc6d956 MS |
203 | using the given frame. Values are refreshed only when |
204 | refresh_values_only is TRUE. */ | |
10f59415 SC |
205 | |
206 | static enum tui_status | |
5eccfcc2 | 207 | tui_show_register_group (struct reggroup *group, |
08ef48c5 MS |
208 | struct frame_info *frame, |
209 | int refresh_values_only) | |
10f59415 | 210 | { |
5eccfcc2 | 211 | struct gdbarch *gdbarch = get_frame_arch (frame); |
10f59415 SC |
212 | enum tui_status ret = TUI_FAILURE; |
213 | int nr_regs; | |
214 | int allocated_here = FALSE; | |
215 | int regnum, pos; | |
216 | char title[80]; | |
217 | struct tui_data_info *display_info = &TUI_DATA_WIN->detail.data_display_info; | |
218 | ||
219 | /* Make a new title showing which group we display. */ | |
220 | snprintf (title, sizeof (title) - 1, "Register group: %s", | |
221 | reggroup_name (group)); | |
222 | xfree (TUI_DATA_WIN->generic.title); | |
223 | TUI_DATA_WIN->generic.title = xstrdup (title); | |
224 | ||
225 | /* See how many registers must be displayed. */ | |
226 | nr_regs = 0; | |
f57d151a | 227 | for (regnum = 0; |
5eccfcc2 UW |
228 | regnum < gdbarch_num_regs (gdbarch) |
229 | + gdbarch_num_pseudo_regs (gdbarch); | |
f57d151a | 230 | regnum++) |
10f59415 | 231 | { |
d20c1c3f PA |
232 | const char *name; |
233 | ||
234 | /* Must be in the group. */ | |
235 | if (!gdbarch_register_reggroup_p (gdbarch, regnum, group)) | |
236 | continue; | |
237 | ||
238 | /* If the register name is empty, it is undefined for this | |
239 | processor, so don't display anything. */ | |
240 | name = gdbarch_register_name (gdbarch, regnum); | |
241 | if (name == 0 || *name == '\0') | |
242 | continue; | |
243 | ||
244 | nr_regs++; | |
10f59415 SC |
245 | } |
246 | ||
247 | if (display_info->regs_content_count > 0 && !refresh_values_only) | |
248 | { | |
249 | tui_free_data_content (display_info->regs_content, | |
250 | display_info->regs_content_count); | |
251 | display_info->regs_content_count = 0; | |
252 | } | |
253 | ||
254 | if (display_info->regs_content_count <= 0) | |
255 | { | |
256 | display_info->regs_content = tui_alloc_content (nr_regs, DATA_WIN); | |
257 | allocated_here = TRUE; | |
258 | refresh_values_only = FALSE; | |
259 | } | |
260 | ||
261 | if (display_info->regs_content != (tui_win_content) NULL) | |
262 | { | |
263 | if (!refresh_values_only || allocated_here) | |
264 | { | |
265 | TUI_DATA_WIN->generic.content = (void*) NULL; | |
266 | TUI_DATA_WIN->generic.content_size = 0; | |
267 | tui_add_content_elements (&TUI_DATA_WIN->generic, nr_regs); | |
268 | display_info->regs_content | |
269 | = (tui_win_content) TUI_DATA_WIN->generic.content; | |
270 | display_info->regs_content_count = nr_regs; | |
271 | } | |
272 | ||
1cc6d956 | 273 | /* Now set the register names and values. */ |
10f59415 | 274 | pos = 0; |
f57d151a | 275 | for (regnum = 0; |
5eccfcc2 UW |
276 | regnum < gdbarch_num_regs (gdbarch) |
277 | + gdbarch_num_pseudo_regs (gdbarch); | |
f57d151a | 278 | regnum++) |
10f59415 SC |
279 | { |
280 | struct tui_gen_win_info *data_item_win; | |
281 | struct tui_data_element *data; | |
282 | const char *name; | |
283 | ||
d20c1c3f | 284 | /* Must be in the group. */ |
10f59415 SC |
285 | if (!gdbarch_register_reggroup_p (gdbarch, regnum, group)) |
286 | continue; | |
287 | ||
d20c1c3f PA |
288 | /* If the register name is empty, it is undefined for this |
289 | processor, so don't display anything. */ | |
290 | name = gdbarch_register_name (gdbarch, regnum); | |
291 | if (name == 0 || *name == '\0') | |
292 | continue; | |
10f59415 SC |
293 | |
294 | data_item_win = | |
295 | &display_info->regs_content[pos]->which_element.data_window; | |
9a2b4c1b MS |
296 | data = &((struct tui_win_element *) |
297 | data_item_win->content[0])->which_element.data; | |
10f59415 SC |
298 | if (data) |
299 | { | |
300 | if (!refresh_values_only) | |
301 | { | |
302 | data->item_no = regnum; | |
303 | data->name = name; | |
304 | data->highlight = FALSE; | |
305 | } | |
5eccfcc2 | 306 | tui_get_register (frame, data, regnum, 0); |
10f59415 SC |
307 | } |
308 | pos++; | |
309 | } | |
310 | ||
311 | TUI_DATA_WIN->generic.content_size = | |
312 | display_info->regs_content_count + display_info->data_content_count; | |
313 | ret = TUI_SUCCESS; | |
314 | } | |
315 | ||
316 | return ret; | |
317 | } | |
318 | ||
55fb0713 | 319 | /* Function to display the registers in the content from |
6ba8e26f | 320 | 'start_element_no' until the end of the register content or the end |
55fb0713 AC |
321 | of the display height. No checking for displaying past the end of |
322 | the registers is done here. */ | |
c906108c | 323 | void |
6ba8e26f | 324 | tui_display_registers_from (int start_element_no) |
c906108c | 325 | { |
10f59415 SC |
326 | struct tui_data_info *display_info = &TUI_DATA_WIN->detail.data_display_info; |
327 | ||
e5908723 MS |
328 | if (display_info->regs_content != (tui_win_content) NULL |
329 | && display_info->regs_content_count > 0) | |
c906108c | 330 | { |
d02c80cd | 331 | int i = start_element_no; |
0043e6a5 | 332 | int j, item_win_width, cur_y; |
10f59415 SC |
333 | |
334 | int max_len = 0; | |
335 | for (i = 0; i < display_info->regs_content_count; i++) | |
336 | { | |
337 | struct tui_data_element *data; | |
338 | struct tui_gen_win_info *data_item_win; | |
339 | char *p; | |
340 | int len; | |
341 | ||
9a2b4c1b MS |
342 | data_item_win |
343 | = &display_info->regs_content[i]->which_element.data_window; | |
10f59415 SC |
344 | data = &((struct tui_win_element *) |
345 | data_item_win->content[0])->which_element.data; | |
346 | len = 0; | |
347 | p = data->content; | |
348 | if (p != 0) | |
349 | while (*p) | |
350 | { | |
351 | if (*p++ == '\t') | |
352 | len = 8 * ((len / 8) + 1); | |
353 | else | |
354 | len++; | |
355 | } | |
356 | ||
357 | if (len > max_len) | |
358 | max_len = len; | |
359 | } | |
360 | item_win_width = max_len + 1; | |
361 | i = start_element_no; | |
362 | ||
363 | display_info->regs_column_count = | |
364 | (TUI_DATA_WIN->generic.width - 2) / item_win_width; | |
365 | if (display_info->regs_column_count == 0) | |
366 | display_info->regs_column_count = 1; | |
367 | item_win_width = | |
368 | (TUI_DATA_WIN->generic.width - 2) / display_info->regs_column_count; | |
369 | ||
ef5eab5a MS |
370 | /* Now create each data "sub" window, and write the display into |
371 | it. */ | |
6ba8e26f | 372 | cur_y = 1; |
e5908723 MS |
373 | while (i < display_info->regs_content_count |
374 | && cur_y <= TUI_DATA_WIN->generic.viewport_height) | |
c906108c SS |
375 | { |
376 | for (j = 0; | |
e5908723 MS |
377 | j < display_info->regs_column_count |
378 | && i < display_info->regs_content_count; | |
379 | j++) | |
c906108c | 380 | { |
5b6fe301 MS |
381 | struct tui_gen_win_info *data_item_win; |
382 | struct tui_data_element *data_element_ptr; | |
c906108c | 383 | |
1cc6d956 | 384 | /* Create the window if necessary. */ |
10f59415 SC |
385 | data_item_win = &display_info->regs_content[i] |
386 | ->which_element.data_window; | |
6ba8e26f | 387 | data_element_ptr = &((struct tui_win_element *) |
9a2b4c1b | 388 | data_item_win->content[0])->which_element.data; |
10f59415 SC |
389 | if (data_item_win->handle != (WINDOW*) NULL |
390 | && (data_item_win->height != 1 | |
391 | || data_item_win->width != item_win_width | |
392 | || data_item_win->origin.x != (item_win_width * j) + 1 | |
393 | || data_item_win->origin.y != cur_y)) | |
394 | { | |
395 | tui_delete_win (data_item_win->handle); | |
396 | data_item_win->handle = 0; | |
397 | } | |
398 | ||
6ba8e26f | 399 | if (data_item_win->handle == (WINDOW *) NULL) |
c906108c | 400 | { |
6ba8e26f | 401 | data_item_win->height = 1; |
10f59415 | 402 | data_item_win->width = item_win_width; |
6ba8e26f AC |
403 | data_item_win->origin.x = (item_win_width * j) + 1; |
404 | data_item_win->origin.y = cur_y; | |
405 | tui_make_window (data_item_win, DONT_BOX_WINDOW); | |
406 | scrollok (data_item_win->handle, FALSE); | |
c906108c | 407 | } |
6ba8e26f | 408 | touchwin (data_item_win->handle); |
fea14702 | 409 | |
10f59415 SC |
410 | /* Get the printable representation of the register |
411 | and display it. */ | |
412 | tui_display_register (data_element_ptr, data_item_win); | |
1cc6d956 | 413 | i++; /* Next register. */ |
c906108c | 414 | } |
1cc6d956 | 415 | cur_y++; /* Next row. */ |
c906108c SS |
416 | } |
417 | } | |
55fb0713 | 418 | } |
c906108c SS |
419 | |
420 | ||
6ba8e26f AC |
421 | /* Function to display the registers in the content from |
422 | 'start_element_no' on 'start_line_no' until the end of the register | |
423 | content or the end of the display height. This function checks | |
424 | that we won't display off the end of the register display. */ | |
2c0b251b | 425 | static void |
08ef48c5 MS |
426 | tui_display_reg_element_at_line (int start_element_no, |
427 | int start_line_no) | |
c906108c | 428 | { |
9a2b4c1b MS |
429 | if (TUI_DATA_WIN->detail.data_display_info.regs_content |
430 | != (tui_win_content) NULL | |
e5908723 | 431 | && TUI_DATA_WIN->detail.data_display_info.regs_content_count > 0) |
c906108c | 432 | { |
d02c80cd | 433 | int element_no = start_element_no; |
c906108c | 434 | |
6ba8e26f | 435 | if (start_element_no != 0 && start_line_no != 0) |
c906108c | 436 | { |
d02c80cd | 437 | int last_line_no, first_line_on_last_page; |
c906108c | 438 | |
6ba8e26f | 439 | last_line_no = tui_last_regs_line_no (); |
9a2b4c1b MS |
440 | first_line_on_last_page |
441 | = last_line_no - (TUI_DATA_WIN->generic.height - 2); | |
6ba8e26f AC |
442 | if (first_line_on_last_page < 0) |
443 | first_line_on_last_page = 0; | |
ef5eab5a MS |
444 | |
445 | /* If there is no other data displayed except registers, and | |
446 | the element_no causes us to scroll past the end of the | |
447 | registers, adjust what element to really start the | |
448 | display at. */ | |
e5908723 MS |
449 | if (TUI_DATA_WIN->detail.data_display_info.data_content_count <= 0 |
450 | && start_line_no > first_line_on_last_page) | |
9a2b4c1b MS |
451 | element_no |
452 | = tui_first_reg_element_no_inline (first_line_on_last_page); | |
c906108c | 453 | } |
6ba8e26f | 454 | tui_display_registers_from (element_no); |
c906108c | 455 | } |
6ba8e26f | 456 | } |
c906108c SS |
457 | |
458 | ||
459 | ||
6ba8e26f | 460 | /* Function to display the registers starting at line line_no in the |
55fb0713 AC |
461 | data window. Answers the line number that the display actually |
462 | started from. If nothing is displayed (-1) is returned. */ | |
c906108c | 463 | int |
08ef48c5 MS |
464 | tui_display_registers_from_line (int line_no, |
465 | int force_display) | |
c906108c | 466 | { |
6d012f14 | 467 | if (TUI_DATA_WIN->detail.data_display_info.regs_content_count > 0) |
c906108c | 468 | { |
6ba8e26f | 469 | int line, element_no; |
c906108c | 470 | |
6ba8e26f | 471 | if (line_no < 0) |
c906108c | 472 | line = 0; |
6ba8e26f | 473 | else if (force_display) |
ef5eab5a MS |
474 | { /* If we must display regs (force_display is true), then |
475 | make sure that we don't display off the end of the | |
476 | registers. */ | |
6ba8e26f | 477 | if (line_no >= tui_last_regs_line_no ()) |
c906108c | 478 | { |
55fb0713 | 479 | if ((line = tui_line_from_reg_element_no ( |
6d012f14 | 480 | TUI_DATA_WIN->detail.data_display_info.regs_content_count - 1)) < 0) |
c906108c SS |
481 | line = 0; |
482 | } | |
483 | else | |
6ba8e26f | 484 | line = line_no; |
c906108c SS |
485 | } |
486 | else | |
6ba8e26f | 487 | line = line_no; |
c906108c | 488 | |
6ba8e26f | 489 | element_no = tui_first_reg_element_no_inline (line); |
9a2b4c1b MS |
490 | if (element_no |
491 | < TUI_DATA_WIN->detail.data_display_info.regs_content_count) | |
6ba8e26f | 492 | tui_display_reg_element_at_line (element_no, line); |
c906108c SS |
493 | else |
494 | line = (-1); | |
495 | ||
496 | return line; | |
497 | } | |
498 | ||
1cc6d956 | 499 | return (-1); /* Nothing was displayed. */ |
55fb0713 | 500 | } |
c906108c SS |
501 | |
502 | ||
55fb0713 AC |
503 | /* This function check all displayed registers for changes in values, |
504 | given a particular frame. If the values have changed, they are | |
505 | updated with the new value and highlighted. */ | |
c906108c | 506 | void |
55fb0713 | 507 | tui_check_register_values (struct frame_info *frame) |
c906108c | 508 | { |
e5908723 MS |
509 | if (TUI_DATA_WIN != NULL |
510 | && TUI_DATA_WIN->generic.is_visible) | |
c906108c | 511 | { |
10f59415 SC |
512 | struct tui_data_info *display_info |
513 | = &TUI_DATA_WIN->detail.data_display_info; | |
514 | ||
e5908723 MS |
515 | if (display_info->regs_content_count <= 0 |
516 | && display_info->display_regs) | |
10f59415 | 517 | tui_show_registers (display_info->current_group); |
c906108c SS |
518 | else |
519 | { | |
0043e6a5 | 520 | int i; |
c906108c | 521 | |
10f59415 | 522 | for (i = 0; (i < display_info->regs_content_count); i++) |
c906108c | 523 | { |
10f59415 SC |
524 | struct tui_data_element *data; |
525 | struct tui_gen_win_info *data_item_win_ptr; | |
6ba8e26f | 526 | int was_hilighted; |
c906108c | 527 | |
10f59415 SC |
528 | data_item_win_ptr = &display_info->regs_content[i]-> |
529 | which_element.data_window; | |
530 | data = &((struct tui_win_element *) | |
531 | data_item_win_ptr->content[0])->which_element.data; | |
532 | was_hilighted = data->highlight; | |
533 | ||
5eccfcc2 | 534 | tui_get_register (frame, data, |
10f59415 SC |
535 | data->item_no, &data->highlight); |
536 | ||
537 | if (data->highlight || was_hilighted) | |
c906108c | 538 | { |
10f59415 | 539 | tui_display_register (data, data_item_win_ptr); |
c906108c SS |
540 | } |
541 | } | |
542 | } | |
543 | } | |
55fb0713 | 544 | } |
c906108c | 545 | |
1cc6d956 MS |
546 | /* Display a register in a window. If hilite is TRUE, then the value |
547 | will be displayed in reverse video. */ | |
10f59415 SC |
548 | static void |
549 | tui_display_register (struct tui_data_element *data, | |
550 | struct tui_gen_win_info *win_info) | |
551 | { | |
552 | if (win_info->handle != (WINDOW *) NULL) | |
553 | { | |
554 | int i; | |
c906108c | 555 | |
10f59415 | 556 | if (data->highlight) |
cae3f17b JB |
557 | /* We ignore the return value, casting it to void in order to avoid |
558 | a compiler warning. The warning itself was introduced by a patch | |
559 | to ncurses 5.7 dated 2009-08-29, changing this macro to expand | |
560 | to code that causes the compiler to generate an unused-value | |
561 | warning. */ | |
ae3bccd4 | 562 | (void) wstandout (win_info->handle); |
10f59415 SC |
563 | |
564 | wmove (win_info->handle, 0, 0); | |
565 | for (i = 1; i < win_info->width; i++) | |
566 | waddch (win_info->handle, ' '); | |
567 | wmove (win_info->handle, 0, 0); | |
568 | if (data->content) | |
569 | waddstr (win_info->handle, data->content); | |
570 | ||
571 | if (data->highlight) | |
cae3f17b JB |
572 | /* We ignore the return value, casting it to void in order to avoid |
573 | a compiler warning. The warning itself was introduced by a patch | |
574 | to ncurses 5.7 dated 2009-08-29, changing this macro to expand | |
575 | to code that causes the compiler to generate an unused-value | |
576 | warning. */ | |
ae3bccd4 | 577 | (void) wstandend (win_info->handle); |
10f59415 SC |
578 | tui_refresh_win (win_info); |
579 | } | |
580 | } | |
581 | ||
582 | static void | |
583 | tui_reg_next_command (char *arg, int from_tty) | |
c906108c | 584 | { |
e17c207e UW |
585 | struct gdbarch *gdbarch = get_current_arch (); |
586 | ||
10f59415 SC |
587 | if (TUI_DATA_WIN != 0) |
588 | { | |
589 | struct reggroup *group | |
590 | = TUI_DATA_WIN->detail.data_display_info.current_group; | |
c906108c | 591 | |
e17c207e | 592 | group = reggroup_next (gdbarch, group); |
10f59415 | 593 | if (group == 0) |
e17c207e | 594 | group = reggroup_next (gdbarch, 0); |
10f59415 SC |
595 | |
596 | if (group) | |
597 | tui_show_registers (group); | |
598 | } | |
599 | } | |
600 | ||
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")); | |
10f59415 SC |
626 | help_list (tuireglist, "tui reg ", -1, gdb_stdout); |
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 SC |
655 | &tuireglist); |
656 | ||
41783295 | 657 | if (xdb_commands) |
c906108c | 658 | { |
10f59415 | 659 | add_com ("fr", class_tui, tui_reg_float_command, |
1bedd215 | 660 | _("Display only floating point registers\n")); |
10f59415 | 661 | add_com ("gr", class_tui, tui_reg_general_command, |
1bedd215 | 662 | _("Display only general registers\n")); |
10f59415 | 663 | add_com ("sr", class_tui, tui_reg_system_command, |
1bedd215 | 664 | _("Display only special registers\n")); |
6ba8e26f | 665 | add_com ("+r", class_tui, tui_scroll_regs_forward_command, |
1bedd215 | 666 | _("Scroll the registers window forward\n")); |
6ba8e26f | 667 | add_com ("-r", class_tui, tui_scroll_regs_backward_command, |
1bedd215 | 668 | _("Scroll the register window backward\n")); |
c906108c | 669 | } |
41783295 | 670 | } |
c906108c SS |
671 | |
672 | ||
673 | /***************************************** | |
674 | ** STATIC LOCAL FUNCTIONS ** | |
675 | ******************************************/ | |
676 | ||
c46cc7df | 677 | extern int pagination_enabled; |
c906108c | 678 | |
c46cc7df SC |
679 | static void |
680 | tui_restore_gdbout (void *ui) | |
681 | { | |
682 | ui_file_delete (gdb_stdout); | |
683 | gdb_stdout = (struct ui_file*) ui; | |
684 | pagination_enabled = 1; | |
685 | } | |
c906108c | 686 | |
10f59415 SC |
687 | /* Get the register from the frame and make a printable representation |
688 | of it in the data element. */ | |
c906108c | 689 | static void |
5eccfcc2 | 690 | tui_register_format (struct frame_info *frame, |
08ef48c5 MS |
691 | struct tui_data_element *data_element, |
692 | int regnum) | |
c906108c | 693 | { |
5eccfcc2 | 694 | struct gdbarch *gdbarch = get_frame_arch (frame); |
d9fcf2fb | 695 | struct ui_file *stream; |
c46cc7df | 696 | struct ui_file *old_stdout; |
bc77de56 | 697 | const char *name; |
c46cc7df | 698 | struct cleanup *cleanups; |
10f59415 | 699 | char *p, *s; |
c906108c | 700 | |
10f59415 | 701 | name = gdbarch_register_name (gdbarch, regnum); |
d20c1c3f PA |
702 | if (name == 0 || *name == '\0') |
703 | return; | |
704 | ||
c46cc7df SC |
705 | pagination_enabled = 0; |
706 | old_stdout = gdb_stdout; | |
10f59415 | 707 | stream = tui_sfileopen (256); |
c46cc7df SC |
708 | gdb_stdout = stream; |
709 | cleanups = make_cleanup (tui_restore_gdbout, (void*) old_stdout); | |
b30aa278 | 710 | gdbarch_print_registers_info (gdbarch, stream, frame, regnum, 1); |
10f59415 SC |
711 | |
712 | /* Save formatted output in the buffer. */ | |
713 | p = tui_file_get_strbuf (stream); | |
c46cc7df SC |
714 | |
715 | /* Remove the possible \n. */ | |
10f59415 SC |
716 | s = strrchr (p, '\n'); |
717 | if (s && s[1] == 0) | |
718 | *s = 0; | |
c46cc7df | 719 | |
10f59415 SC |
720 | xfree (data_element->content); |
721 | data_element->content = xstrdup (p); | |
c46cc7df SC |
722 | do_cleanups (cleanups); |
723 | } | |
c906108c | 724 | |
1cc6d956 MS |
725 | /* Get the register value from the given frame and format it for the |
726 | display. When changep is set, check if the new register value has | |
727 | changed with respect to the previous call. */ | |
22940a24 | 728 | static enum tui_status |
5eccfcc2 | 729 | tui_get_register (struct frame_info *frame, |
08ef48c5 MS |
730 | struct tui_data_element *data, |
731 | int regnum, int *changedp) | |
c906108c | 732 | { |
22940a24 | 733 | enum tui_status ret = TUI_FAILURE; |
c906108c | 734 | |
10f59415 SC |
735 | if (changedp) |
736 | *changedp = FALSE; | |
c906108c SS |
737 | if (target_has_registers) |
738 | { | |
d20c1c3f | 739 | struct value *old_val = data->value; |
10f59415 | 740 | |
d20c1c3f PA |
741 | data->value = get_frame_register_value (frame, regnum); |
742 | release_value (data->value); | |
9c5ea4d9 UW |
743 | if (changedp) |
744 | { | |
5eccfcc2 | 745 | struct gdbarch *gdbarch = get_frame_arch (frame); |
9c5ea4d9 | 746 | int size = register_size (gdbarch, regnum); |
9c5ea4d9 | 747 | |
d20c1c3f PA |
748 | if (value_optimized_out (data->value) != value_optimized_out (old_val) |
749 | || !value_available_contents_eq (data->value, 0, | |
750 | old_val, 0, size)) | |
751 | *changedp = TRUE; | |
9c5ea4d9 UW |
752 | } |
753 | ||
d20c1c3f PA |
754 | value_free (old_val); |
755 | ||
9c5ea4d9 UW |
756 | /* Reformat the data content if the value changed. */ |
757 | if (changedp == 0 || *changedp == TRUE) | |
5eccfcc2 | 758 | tui_register_format (frame, data, regnum); |
9c5ea4d9 UW |
759 | |
760 | ret = TUI_SUCCESS; | |
c906108c | 761 | } |
c906108c | 762 | return ret; |
6ba8e26f | 763 | } |
c906108c | 764 | |
c906108c | 765 | static void |
6ba8e26f | 766 | tui_scroll_regs_forward_command (char *arg, int from_tty) |
c906108c | 767 | { |
6d012f14 | 768 | tui_scroll (FORWARD_SCROLL, TUI_DATA_WIN, 1); |
e8b915dc | 769 | } |
c906108c SS |
770 | |
771 | ||
772 | static void | |
6ba8e26f | 773 | tui_scroll_regs_backward_command (char *arg, int from_tty) |
c906108c | 774 | { |
6d012f14 | 775 | tui_scroll (BACKWARD_SCROLL, TUI_DATA_WIN, 1); |
e8b915dc | 776 | } |