Commit | Line | Data |
---|---|---|
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 | ||
10f59415 SC |
134 | /* Show the registers of the given group in the data window |
135 | and refresh the window. */ | |
c906108c | 136 | void |
10f59415 | 137 | tui_show_registers (struct reggroup *group) |
c906108c | 138 | { |
22940a24 | 139 | enum tui_status ret = TUI_FAILURE; |
0bfbda3b | 140 | struct tui_data_info *display_info; |
c906108c | 141 | |
0bfbda3b SC |
142 | /* Make sure the curses mode is enabled. */ |
143 | tui_enable (); | |
144 | ||
145 | /* Make sure the register window is visible. If not, select an | |
146 | appropriate layout. */ | |
147 | if (TUI_DATA_WIN == NULL || !TUI_DATA_WIN->generic.is_visible) | |
148 | tui_set_layout_for_display_command (DATA_NAME); | |
149 | ||
150 | display_info = &TUI_DATA_WIN->detail.data_display_info; | |
10f59415 SC |
151 | if (group == 0) |
152 | group = general_reggroup; | |
c906108c | 153 | |
1cc6d956 MS |
154 | /* Say that registers should be displayed, even if there is a |
155 | problem. */ | |
10f59415 SC |
156 | display_info->display_regs = TRUE; |
157 | ||
158 | if (target_has_registers && target_has_stack && target_has_memory) | |
c906108c | 159 | { |
5eccfcc2 | 160 | ret = tui_show_register_group (group, get_current_frame (), |
10f59415 | 161 | group == display_info->current_group); |
c906108c SS |
162 | } |
163 | if (ret == TUI_FAILURE) | |
164 | { | |
10f59415 | 165 | display_info->current_group = 0; |
edae1ccf | 166 | tui_erase_data_content (NO_REGS_STRING); |
c906108c SS |
167 | } |
168 | else | |
169 | { | |
170 | int i; | |
171 | ||
1cc6d956 | 172 | /* Clear all notation of changed values. */ |
10f59415 | 173 | for (i = 0; i < display_info->regs_content_count; i++) |
c906108c | 174 | { |
10f59415 SC |
175 | struct tui_gen_win_info *data_item_win; |
176 | struct tui_win_element *win; | |
c906108c | 177 | |
10f59415 SC |
178 | data_item_win = &display_info->regs_content[i] |
179 | ->which_element.data_window; | |
180 | win = (struct tui_win_element *) data_item_win->content[0]; | |
181 | win->which_element.data.highlight = FALSE; | |
c906108c | 182 | } |
10f59415 | 183 | display_info->current_group = group; |
edae1ccf | 184 | tui_display_all_data (); |
c906108c | 185 | } |
55fb0713 | 186 | } |
c906108c SS |
187 | |
188 | ||
10f59415 | 189 | /* Set the data window to display the registers of the register group |
1cc6d956 MS |
190 | using the given frame. Values are refreshed only when |
191 | refresh_values_only is TRUE. */ | |
10f59415 SC |
192 | |
193 | static enum tui_status | |
5eccfcc2 | 194 | tui_show_register_group (struct reggroup *group, |
08ef48c5 MS |
195 | struct frame_info *frame, |
196 | int refresh_values_only) | |
10f59415 | 197 | { |
5eccfcc2 | 198 | struct gdbarch *gdbarch = get_frame_arch (frame); |
10f59415 SC |
199 | enum tui_status ret = TUI_FAILURE; |
200 | int nr_regs; | |
201 | int allocated_here = FALSE; | |
202 | int regnum, pos; | |
203 | char title[80]; | |
204 | struct tui_data_info *display_info = &TUI_DATA_WIN->detail.data_display_info; | |
205 | ||
206 | /* Make a new title showing which group we display. */ | |
207 | snprintf (title, sizeof (title) - 1, "Register group: %s", | |
208 | reggroup_name (group)); | |
209 | xfree (TUI_DATA_WIN->generic.title); | |
210 | TUI_DATA_WIN->generic.title = xstrdup (title); | |
211 | ||
212 | /* See how many registers must be displayed. */ | |
213 | nr_regs = 0; | |
f57d151a | 214 | for (regnum = 0; |
5eccfcc2 UW |
215 | regnum < gdbarch_num_regs (gdbarch) |
216 | + gdbarch_num_pseudo_regs (gdbarch); | |
f57d151a | 217 | regnum++) |
10f59415 | 218 | { |
d20c1c3f PA |
219 | const char *name; |
220 | ||
221 | /* Must be in the group. */ | |
222 | if (!gdbarch_register_reggroup_p (gdbarch, regnum, group)) | |
223 | continue; | |
224 | ||
225 | /* If the register name is empty, it is undefined for this | |
226 | processor, so don't display anything. */ | |
227 | name = gdbarch_register_name (gdbarch, regnum); | |
228 | if (name == 0 || *name == '\0') | |
229 | continue; | |
230 | ||
231 | nr_regs++; | |
10f59415 SC |
232 | } |
233 | ||
234 | if (display_info->regs_content_count > 0 && !refresh_values_only) | |
235 | { | |
236 | tui_free_data_content (display_info->regs_content, | |
237 | display_info->regs_content_count); | |
238 | display_info->regs_content_count = 0; | |
239 | } | |
240 | ||
241 | if (display_info->regs_content_count <= 0) | |
242 | { | |
243 | display_info->regs_content = tui_alloc_content (nr_regs, DATA_WIN); | |
244 | allocated_here = TRUE; | |
245 | refresh_values_only = FALSE; | |
246 | } | |
247 | ||
248 | if (display_info->regs_content != (tui_win_content) NULL) | |
249 | { | |
250 | if (!refresh_values_only || allocated_here) | |
251 | { | |
252 | TUI_DATA_WIN->generic.content = (void*) NULL; | |
253 | TUI_DATA_WIN->generic.content_size = 0; | |
254 | tui_add_content_elements (&TUI_DATA_WIN->generic, nr_regs); | |
255 | display_info->regs_content | |
256 | = (tui_win_content) TUI_DATA_WIN->generic.content; | |
257 | display_info->regs_content_count = nr_regs; | |
258 | } | |
259 | ||
1cc6d956 | 260 | /* Now set the register names and values. */ |
10f59415 | 261 | pos = 0; |
f57d151a | 262 | for (regnum = 0; |
5eccfcc2 UW |
263 | regnum < gdbarch_num_regs (gdbarch) |
264 | + gdbarch_num_pseudo_regs (gdbarch); | |
f57d151a | 265 | regnum++) |
10f59415 SC |
266 | { |
267 | struct tui_gen_win_info *data_item_win; | |
268 | struct tui_data_element *data; | |
269 | const char *name; | |
270 | ||
d20c1c3f | 271 | /* Must be in the group. */ |
10f59415 SC |
272 | if (!gdbarch_register_reggroup_p (gdbarch, regnum, group)) |
273 | continue; | |
274 | ||
d20c1c3f PA |
275 | /* If the register name is empty, it is undefined for this |
276 | processor, so don't display anything. */ | |
277 | name = gdbarch_register_name (gdbarch, regnum); | |
278 | if (name == 0 || *name == '\0') | |
279 | continue; | |
10f59415 SC |
280 | |
281 | data_item_win = | |
282 | &display_info->regs_content[pos]->which_element.data_window; | |
9a2b4c1b MS |
283 | data = &((struct tui_win_element *) |
284 | data_item_win->content[0])->which_element.data; | |
10f59415 SC |
285 | if (data) |
286 | { | |
287 | if (!refresh_values_only) | |
288 | { | |
289 | data->item_no = regnum; | |
290 | data->name = name; | |
291 | data->highlight = FALSE; | |
292 | } | |
5eccfcc2 | 293 | tui_get_register (frame, data, regnum, 0); |
10f59415 SC |
294 | } |
295 | pos++; | |
296 | } | |
297 | ||
298 | TUI_DATA_WIN->generic.content_size = | |
299 | display_info->regs_content_count + display_info->data_content_count; | |
300 | ret = TUI_SUCCESS; | |
301 | } | |
302 | ||
303 | return ret; | |
304 | } | |
305 | ||
55fb0713 | 306 | /* Function to display the registers in the content from |
6ba8e26f | 307 | 'start_element_no' until the end of the register content or the end |
55fb0713 AC |
308 | of the display height. No checking for displaying past the end of |
309 | the registers is done here. */ | |
c906108c | 310 | void |
6ba8e26f | 311 | tui_display_registers_from (int start_element_no) |
c906108c | 312 | { |
10f59415 SC |
313 | struct tui_data_info *display_info = &TUI_DATA_WIN->detail.data_display_info; |
314 | ||
e5908723 MS |
315 | if (display_info->regs_content != (tui_win_content) NULL |
316 | && display_info->regs_content_count > 0) | |
c906108c | 317 | { |
d02c80cd | 318 | int i = start_element_no; |
0043e6a5 | 319 | int j, item_win_width, cur_y; |
10f59415 SC |
320 | |
321 | int max_len = 0; | |
322 | for (i = 0; i < display_info->regs_content_count; i++) | |
323 | { | |
324 | struct tui_data_element *data; | |
325 | struct tui_gen_win_info *data_item_win; | |
326 | char *p; | |
327 | int len; | |
328 | ||
9a2b4c1b MS |
329 | data_item_win |
330 | = &display_info->regs_content[i]->which_element.data_window; | |
10f59415 SC |
331 | data = &((struct tui_win_element *) |
332 | data_item_win->content[0])->which_element.data; | |
333 | len = 0; | |
334 | p = data->content; | |
335 | if (p != 0) | |
336 | while (*p) | |
337 | { | |
338 | if (*p++ == '\t') | |
339 | len = 8 * ((len / 8) + 1); | |
340 | else | |
341 | len++; | |
342 | } | |
343 | ||
344 | if (len > max_len) | |
345 | max_len = len; | |
346 | } | |
347 | item_win_width = max_len + 1; | |
348 | i = start_element_no; | |
349 | ||
350 | display_info->regs_column_count = | |
351 | (TUI_DATA_WIN->generic.width - 2) / item_win_width; | |
352 | if (display_info->regs_column_count == 0) | |
353 | display_info->regs_column_count = 1; | |
354 | item_win_width = | |
355 | (TUI_DATA_WIN->generic.width - 2) / display_info->regs_column_count; | |
356 | ||
ef5eab5a MS |
357 | /* Now create each data "sub" window, and write the display into |
358 | it. */ | |
6ba8e26f | 359 | cur_y = 1; |
e5908723 MS |
360 | while (i < display_info->regs_content_count |
361 | && cur_y <= TUI_DATA_WIN->generic.viewport_height) | |
c906108c SS |
362 | { |
363 | for (j = 0; | |
e5908723 MS |
364 | j < display_info->regs_column_count |
365 | && i < display_info->regs_content_count; | |
366 | j++) | |
c906108c | 367 | { |
5b6fe301 MS |
368 | struct tui_gen_win_info *data_item_win; |
369 | struct tui_data_element *data_element_ptr; | |
c906108c | 370 | |
1cc6d956 | 371 | /* Create the window if necessary. */ |
10f59415 SC |
372 | data_item_win = &display_info->regs_content[i] |
373 | ->which_element.data_window; | |
6ba8e26f | 374 | data_element_ptr = &((struct tui_win_element *) |
9a2b4c1b | 375 | data_item_win->content[0])->which_element.data; |
10f59415 SC |
376 | if (data_item_win->handle != (WINDOW*) NULL |
377 | && (data_item_win->height != 1 | |
378 | || data_item_win->width != item_win_width | |
379 | || data_item_win->origin.x != (item_win_width * j) + 1 | |
380 | || data_item_win->origin.y != cur_y)) | |
381 | { | |
382 | tui_delete_win (data_item_win->handle); | |
383 | data_item_win->handle = 0; | |
384 | } | |
385 | ||
6ba8e26f | 386 | if (data_item_win->handle == (WINDOW *) NULL) |
c906108c | 387 | { |
6ba8e26f | 388 | data_item_win->height = 1; |
10f59415 | 389 | data_item_win->width = item_win_width; |
6ba8e26f AC |
390 | data_item_win->origin.x = (item_win_width * j) + 1; |
391 | data_item_win->origin.y = cur_y; | |
392 | tui_make_window (data_item_win, DONT_BOX_WINDOW); | |
393 | scrollok (data_item_win->handle, FALSE); | |
c906108c | 394 | } |
6ba8e26f | 395 | touchwin (data_item_win->handle); |
fea14702 | 396 | |
10f59415 SC |
397 | /* Get the printable representation of the register |
398 | and display it. */ | |
399 | tui_display_register (data_element_ptr, data_item_win); | |
1cc6d956 | 400 | i++; /* Next register. */ |
c906108c | 401 | } |
1cc6d956 | 402 | cur_y++; /* Next row. */ |
c906108c SS |
403 | } |
404 | } | |
55fb0713 | 405 | } |
c906108c SS |
406 | |
407 | ||
6ba8e26f AC |
408 | /* Function to display the registers in the content from |
409 | 'start_element_no' on 'start_line_no' until the end of the register | |
410 | content or the end of the display height. This function checks | |
411 | that we won't display off the end of the register display. */ | |
2c0b251b | 412 | static void |
08ef48c5 MS |
413 | tui_display_reg_element_at_line (int start_element_no, |
414 | int start_line_no) | |
c906108c | 415 | { |
9a2b4c1b MS |
416 | if (TUI_DATA_WIN->detail.data_display_info.regs_content |
417 | != (tui_win_content) NULL | |
e5908723 | 418 | && TUI_DATA_WIN->detail.data_display_info.regs_content_count > 0) |
c906108c | 419 | { |
d02c80cd | 420 | int element_no = start_element_no; |
c906108c | 421 | |
6ba8e26f | 422 | if (start_element_no != 0 && start_line_no != 0) |
c906108c | 423 | { |
d02c80cd | 424 | int last_line_no, first_line_on_last_page; |
c906108c | 425 | |
6ba8e26f | 426 | last_line_no = tui_last_regs_line_no (); |
9a2b4c1b MS |
427 | first_line_on_last_page |
428 | = last_line_no - (TUI_DATA_WIN->generic.height - 2); | |
6ba8e26f AC |
429 | if (first_line_on_last_page < 0) |
430 | first_line_on_last_page = 0; | |
ef5eab5a MS |
431 | |
432 | /* If there is no other data displayed except registers, and | |
433 | the element_no causes us to scroll past the end of the | |
434 | registers, adjust what element to really start the | |
435 | display at. */ | |
e5908723 MS |
436 | if (TUI_DATA_WIN->detail.data_display_info.data_content_count <= 0 |
437 | && start_line_no > first_line_on_last_page) | |
9a2b4c1b MS |
438 | element_no |
439 | = tui_first_reg_element_no_inline (first_line_on_last_page); | |
c906108c | 440 | } |
6ba8e26f | 441 | tui_display_registers_from (element_no); |
c906108c | 442 | } |
6ba8e26f | 443 | } |
c906108c SS |
444 | |
445 | ||
446 | ||
6ba8e26f | 447 | /* Function to display the registers starting at line line_no in the |
55fb0713 AC |
448 | data window. Answers the line number that the display actually |
449 | started from. If nothing is displayed (-1) is returned. */ | |
c906108c | 450 | int |
08ef48c5 MS |
451 | tui_display_registers_from_line (int line_no, |
452 | int force_display) | |
c906108c | 453 | { |
6d012f14 | 454 | if (TUI_DATA_WIN->detail.data_display_info.regs_content_count > 0) |
c906108c | 455 | { |
6ba8e26f | 456 | int line, element_no; |
c906108c | 457 | |
6ba8e26f | 458 | if (line_no < 0) |
c906108c | 459 | line = 0; |
6ba8e26f | 460 | else if (force_display) |
ef5eab5a MS |
461 | { /* If we must display regs (force_display is true), then |
462 | make sure that we don't display off the end of the | |
463 | registers. */ | |
6ba8e26f | 464 | if (line_no >= tui_last_regs_line_no ()) |
c906108c | 465 | { |
55fb0713 | 466 | if ((line = tui_line_from_reg_element_no ( |
6d012f14 | 467 | TUI_DATA_WIN->detail.data_display_info.regs_content_count - 1)) < 0) |
c906108c SS |
468 | line = 0; |
469 | } | |
470 | else | |
6ba8e26f | 471 | line = line_no; |
c906108c SS |
472 | } |
473 | else | |
6ba8e26f | 474 | line = line_no; |
c906108c | 475 | |
6ba8e26f | 476 | element_no = tui_first_reg_element_no_inline (line); |
9a2b4c1b MS |
477 | if (element_no |
478 | < TUI_DATA_WIN->detail.data_display_info.regs_content_count) | |
6ba8e26f | 479 | tui_display_reg_element_at_line (element_no, line); |
c906108c SS |
480 | else |
481 | line = (-1); | |
482 | ||
483 | return line; | |
484 | } | |
485 | ||
1cc6d956 | 486 | return (-1); /* Nothing was displayed. */ |
55fb0713 | 487 | } |
c906108c SS |
488 | |
489 | ||
55fb0713 AC |
490 | /* This function check all displayed registers for changes in values, |
491 | given a particular frame. If the values have changed, they are | |
492 | updated with the new value and highlighted. */ | |
c906108c | 493 | void |
55fb0713 | 494 | tui_check_register_values (struct frame_info *frame) |
c906108c | 495 | { |
e5908723 MS |
496 | if (TUI_DATA_WIN != NULL |
497 | && TUI_DATA_WIN->generic.is_visible) | |
c906108c | 498 | { |
10f59415 SC |
499 | struct tui_data_info *display_info |
500 | = &TUI_DATA_WIN->detail.data_display_info; | |
501 | ||
e5908723 MS |
502 | if (display_info->regs_content_count <= 0 |
503 | && display_info->display_regs) | |
10f59415 | 504 | tui_show_registers (display_info->current_group); |
c906108c SS |
505 | else |
506 | { | |
0043e6a5 | 507 | int i; |
c906108c | 508 | |
10f59415 | 509 | for (i = 0; (i < display_info->regs_content_count); i++) |
c906108c | 510 | { |
10f59415 SC |
511 | struct tui_data_element *data; |
512 | struct tui_gen_win_info *data_item_win_ptr; | |
6ba8e26f | 513 | int was_hilighted; |
c906108c | 514 | |
10f59415 SC |
515 | data_item_win_ptr = &display_info->regs_content[i]-> |
516 | which_element.data_window; | |
517 | data = &((struct tui_win_element *) | |
518 | data_item_win_ptr->content[0])->which_element.data; | |
519 | was_hilighted = data->highlight; | |
520 | ||
5eccfcc2 | 521 | tui_get_register (frame, data, |
10f59415 SC |
522 | data->item_no, &data->highlight); |
523 | ||
524 | if (data->highlight || was_hilighted) | |
c906108c | 525 | { |
10f59415 | 526 | tui_display_register (data, data_item_win_ptr); |
c906108c SS |
527 | } |
528 | } | |
529 | } | |
530 | } | |
55fb0713 | 531 | } |
c906108c | 532 | |
1cc6d956 MS |
533 | /* Display a register in a window. If hilite is TRUE, then the value |
534 | will be displayed in reverse video. */ | |
10f59415 SC |
535 | static void |
536 | tui_display_register (struct tui_data_element *data, | |
537 | struct tui_gen_win_info *win_info) | |
538 | { | |
539 | if (win_info->handle != (WINDOW *) NULL) | |
540 | { | |
541 | int i; | |
c906108c | 542 | |
10f59415 | 543 | if (data->highlight) |
cae3f17b JB |
544 | /* We ignore the return value, casting it to void in order to avoid |
545 | a compiler warning. The warning itself was introduced by a patch | |
546 | to ncurses 5.7 dated 2009-08-29, changing this macro to expand | |
547 | to code that causes the compiler to generate an unused-value | |
548 | warning. */ | |
ae3bccd4 | 549 | (void) wstandout (win_info->handle); |
10f59415 SC |
550 | |
551 | wmove (win_info->handle, 0, 0); | |
552 | for (i = 1; i < win_info->width; i++) | |
553 | waddch (win_info->handle, ' '); | |
554 | wmove (win_info->handle, 0, 0); | |
555 | if (data->content) | |
556 | waddstr (win_info->handle, data->content); | |
557 | ||
558 | if (data->highlight) | |
cae3f17b JB |
559 | /* We ignore the return value, casting it to void in order to avoid |
560 | a compiler warning. The warning itself was introduced by a patch | |
561 | to ncurses 5.7 dated 2009-08-29, changing this macro to expand | |
562 | to code that causes the compiler to generate an unused-value | |
563 | warning. */ | |
ae3bccd4 | 564 | (void) wstandend (win_info->handle); |
10f59415 SC |
565 | tui_refresh_win (win_info); |
566 | } | |
567 | } | |
568 | ||
569 | static void | |
570 | tui_reg_next_command (char *arg, int from_tty) | |
c906108c | 571 | { |
e17c207e UW |
572 | struct gdbarch *gdbarch = get_current_arch (); |
573 | ||
10f59415 SC |
574 | if (TUI_DATA_WIN != 0) |
575 | { | |
576 | struct reggroup *group | |
577 | = TUI_DATA_WIN->detail.data_display_info.current_group; | |
c906108c | 578 | |
e17c207e | 579 | group = reggroup_next (gdbarch, group); |
10f59415 | 580 | if (group == 0) |
e17c207e | 581 | group = reggroup_next (gdbarch, 0); |
10f59415 SC |
582 | |
583 | if (group) | |
584 | tui_show_registers (group); | |
585 | } | |
586 | } | |
587 | ||
588 | static void | |
589 | tui_reg_float_command (char *arg, int from_tty) | |
590 | { | |
591 | tui_show_registers (float_reggroup); | |
592 | } | |
c906108c | 593 | |
10f59415 SC |
594 | static void |
595 | tui_reg_general_command (char *arg, int from_tty) | |
596 | { | |
597 | tui_show_registers (general_reggroup); | |
598 | } | |
c906108c | 599 | |
10f59415 SC |
600 | static void |
601 | tui_reg_system_command (char *arg, int from_tty) | |
602 | { | |
603 | tui_show_registers (system_reggroup); | |
604 | } | |
605 | ||
606 | static struct cmd_list_element *tuireglist; | |
c906108c | 607 | |
10f59415 SC |
608 | static void |
609 | tui_reg_command (char *args, int from_tty) | |
610 | { | |
a3f17187 AC |
611 | printf_unfiltered (_("\"tui reg\" must be followed by the name of a " |
612 | "tui reg command.\n")); | |
10f59415 SC |
613 | help_list (tuireglist, "tui reg ", -1, gdb_stdout); |
614 | } | |
c906108c | 615 | |
2c0b251b PA |
616 | /* Provide a prototype to silence -Wmissing-prototypes. */ |
617 | extern initialize_file_ftype _initialize_tui_regs; | |
618 | ||
c906108c | 619 | void |
6ba8e26f | 620 | _initialize_tui_regs (void) |
c906108c | 621 | { |
10f59415 SC |
622 | struct cmd_list_element **tuicmd; |
623 | ||
624 | tuicmd = tui_get_cmd_list (); | |
625 | ||
626 | add_prefix_cmd ("reg", class_tui, tui_reg_command, | |
1bedd215 | 627 | _("TUI commands to control the register window."), |
10f59415 SC |
628 | &tuireglist, "tui reg ", 0, |
629 | tuicmd); | |
630 | ||
631 | add_cmd ("float", class_tui, tui_reg_float_command, | |
1a966eab | 632 | _("Display only floating point registers."), |
10f59415 SC |
633 | &tuireglist); |
634 | add_cmd ("general", class_tui, tui_reg_general_command, | |
1a966eab | 635 | _("Display only general registers."), |
10f59415 SC |
636 | &tuireglist); |
637 | add_cmd ("system", class_tui, tui_reg_system_command, | |
1a966eab | 638 | _("Display only system registers."), |
10f59415 SC |
639 | &tuireglist); |
640 | add_cmd ("next", class_tui, tui_reg_next_command, | |
1a966eab | 641 | _("Display next register group."), |
10f59415 SC |
642 | &tuireglist); |
643 | ||
41783295 | 644 | if (xdb_commands) |
c906108c | 645 | { |
10f59415 | 646 | add_com ("fr", class_tui, tui_reg_float_command, |
1bedd215 | 647 | _("Display only floating point registers\n")); |
10f59415 | 648 | add_com ("gr", class_tui, tui_reg_general_command, |
1bedd215 | 649 | _("Display only general registers\n")); |
10f59415 | 650 | add_com ("sr", class_tui, tui_reg_system_command, |
1bedd215 | 651 | _("Display only special registers\n")); |
6ba8e26f | 652 | add_com ("+r", class_tui, tui_scroll_regs_forward_command, |
1bedd215 | 653 | _("Scroll the registers window forward\n")); |
6ba8e26f | 654 | add_com ("-r", class_tui, tui_scroll_regs_backward_command, |
1bedd215 | 655 | _("Scroll the register window backward\n")); |
c906108c | 656 | } |
41783295 | 657 | } |
c906108c SS |
658 | |
659 | ||
660 | /***************************************** | |
661 | ** STATIC LOCAL FUNCTIONS ** | |
662 | ******************************************/ | |
663 | ||
c46cc7df | 664 | extern int pagination_enabled; |
c906108c | 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 | |
10f59415 SC |
674 | /* Get the register from the frame and make a printable representation |
675 | of it in the data element. */ | |
c906108c | 676 | static void |
5eccfcc2 | 677 | tui_register_format (struct frame_info *frame, |
08ef48c5 MS |
678 | struct tui_data_element *data_element, |
679 | int regnum) | |
c906108c | 680 | { |
5eccfcc2 | 681 | struct gdbarch *gdbarch = get_frame_arch (frame); |
d9fcf2fb | 682 | struct ui_file *stream; |
c46cc7df | 683 | struct ui_file *old_stdout; |
bc77de56 | 684 | const char *name; |
c46cc7df | 685 | struct cleanup *cleanups; |
10f59415 | 686 | char *p, *s; |
c906108c | 687 | |
10f59415 | 688 | name = gdbarch_register_name (gdbarch, regnum); |
d20c1c3f PA |
689 | if (name == 0 || *name == '\0') |
690 | return; | |
691 | ||
c46cc7df SC |
692 | pagination_enabled = 0; |
693 | old_stdout = gdb_stdout; | |
10f59415 | 694 | stream = tui_sfileopen (256); |
c46cc7df SC |
695 | gdb_stdout = stream; |
696 | cleanups = make_cleanup (tui_restore_gdbout, (void*) old_stdout); | |
b30aa278 | 697 | gdbarch_print_registers_info (gdbarch, stream, frame, regnum, 1); |
10f59415 SC |
698 | |
699 | /* Save formatted output in the buffer. */ | |
700 | p = tui_file_get_strbuf (stream); | |
c46cc7df SC |
701 | |
702 | /* Remove the possible \n. */ | |
10f59415 SC |
703 | s = strrchr (p, '\n'); |
704 | if (s && s[1] == 0) | |
705 | *s = 0; | |
c46cc7df | 706 | |
10f59415 SC |
707 | xfree (data_element->content); |
708 | data_element->content = xstrdup (p); | |
c46cc7df SC |
709 | do_cleanups (cleanups); |
710 | } | |
c906108c | 711 | |
1cc6d956 MS |
712 | /* Get the register value from the given frame and format it for the |
713 | display. When changep is set, check if the new register value has | |
714 | changed with respect to the previous call. */ | |
22940a24 | 715 | static enum tui_status |
5eccfcc2 | 716 | tui_get_register (struct frame_info *frame, |
08ef48c5 MS |
717 | struct tui_data_element *data, |
718 | int regnum, int *changedp) | |
c906108c | 719 | { |
22940a24 | 720 | enum tui_status ret = TUI_FAILURE; |
c906108c | 721 | |
10f59415 SC |
722 | if (changedp) |
723 | *changedp = FALSE; | |
c906108c SS |
724 | if (target_has_registers) |
725 | { | |
d20c1c3f | 726 | struct value *old_val = data->value; |
10f59415 | 727 | |
d20c1c3f PA |
728 | data->value = get_frame_register_value (frame, regnum); |
729 | release_value (data->value); | |
9c5ea4d9 UW |
730 | if (changedp) |
731 | { | |
5eccfcc2 | 732 | struct gdbarch *gdbarch = get_frame_arch (frame); |
9c5ea4d9 | 733 | int size = register_size (gdbarch, regnum); |
9c5ea4d9 | 734 | |
d20c1c3f PA |
735 | if (value_optimized_out (data->value) != value_optimized_out (old_val) |
736 | || !value_available_contents_eq (data->value, 0, | |
737 | old_val, 0, size)) | |
738 | *changedp = TRUE; | |
9c5ea4d9 UW |
739 | } |
740 | ||
d20c1c3f PA |
741 | value_free (old_val); |
742 | ||
9c5ea4d9 UW |
743 | /* Reformat the data content if the value changed. */ |
744 | if (changedp == 0 || *changedp == TRUE) | |
5eccfcc2 | 745 | tui_register_format (frame, data, regnum); |
9c5ea4d9 UW |
746 | |
747 | ret = TUI_SUCCESS; | |
c906108c | 748 | } |
c906108c | 749 | return ret; |
6ba8e26f | 750 | } |
c906108c | 751 | |
c906108c | 752 | static void |
6ba8e26f | 753 | tui_scroll_regs_forward_command (char *arg, int from_tty) |
c906108c | 754 | { |
6d012f14 | 755 | tui_scroll (FORWARD_SCROLL, TUI_DATA_WIN, 1); |
e8b915dc | 756 | } |
c906108c SS |
757 | |
758 | ||
759 | static void | |
6ba8e26f | 760 | tui_scroll_regs_backward_command (char *arg, int from_tty) |
c906108c | 761 | { |
6d012f14 | 762 | tui_scroll (BACKWARD_SCROLL, TUI_DATA_WIN, 1); |
e8b915dc | 763 | } |