Commit | Line | Data |
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f377b406 | 1 | /* TUI display registers in window. |
f33c6cbf | 2 | |
4c38e0a4 | 3 | Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007, 2008, 2009, |
7b6bb8da | 4 | 2010, 2011 Free Software Foundation, Inc. |
f33c6cbf | 5 | |
f377b406 | 6 | Contributed by Hewlett-Packard Company. |
c906108c | 7 | |
f377b406 | 8 | This file is part of GDB. |
c906108c | 9 | |
f377b406 SC |
10 | This program is free software; you can redistribute it and/or modify |
11 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 12 | the Free Software Foundation; either version 3 of the License, or |
f377b406 SC |
13 | (at your option) any later version. |
14 | ||
15 | This program is distributed in the hope that it will be useful, | |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 21 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
22 | |
23 | #include "defs.h" | |
e17c207e | 24 | #include "arch-utils.h" |
d7b2e967 AC |
25 | #include "tui/tui.h" |
26 | #include "tui/tui-data.h" | |
c906108c SS |
27 | #include "symtab.h" |
28 | #include "gdbtypes.h" | |
29 | #include "gdbcmd.h" | |
30 | #include "frame.h" | |
bc77de56 | 31 | #include "regcache.h" |
c906108c SS |
32 | #include "inferior.h" |
33 | #include "target.h" | |
6d012f14 | 34 | #include "gdb_string.h" |
d7b2e967 AC |
35 | #include "tui/tui-layout.h" |
36 | #include "tui/tui-win.h" | |
37 | #include "tui/tui-windata.h" | |
38 | #include "tui/tui-wingeneral.h" | |
39 | #include "tui/tui-file.h" | |
2c0b251b | 40 | #include "tui/tui-regs.h" |
10f59415 | 41 | #include "reggroups.h" |
79a45b7d | 42 | #include "valprint.h" |
c906108c | 43 | |
6a83354a | 44 | #include "gdb_curses.h" |
96ec9981 | 45 | |
c906108c SS |
46 | |
47 | /***************************************** | |
10f59415 | 48 | ** STATIC LOCAL FUNCTIONS FORWARD DECLS ** |
c906108c | 49 | ******************************************/ |
10f59415 SC |
50 | static void |
51 | tui_display_register (struct tui_data_element *data, | |
52 | struct tui_gen_win_info *win_info); | |
c906108c | 53 | |
5eccfcc2 UW |
54 | static enum tui_status tui_show_register_group (struct reggroup *group, |
55 | struct frame_info *frame, | |
56 | int refresh_values_only); | |
57 | ||
58 | static enum tui_status tui_get_register (struct frame_info *frame, | |
59 | struct tui_data_element *data, | |
60 | int regnum, int *changedp); | |
61 | ||
62 | static void tui_register_format (struct frame_info *, | |
63 | struct tui_data_element*, int); | |
c906108c | 64 | |
6ba8e26f AC |
65 | static void tui_scroll_regs_forward_command (char *, int); |
66 | static void tui_scroll_regs_backward_command (char *, int); | |
c906108c SS |
67 | |
68 | ||
69 | ||
70 | /***************************************** | |
71 | ** PUBLIC FUNCTIONS ** | |
72 | ******************************************/ | |
73 | ||
55fb0713 AC |
74 | /* Answer the number of the last line in the regs display. If there |
75 | are no registers (-1) is returned. */ | |
c906108c | 76 | int |
55fb0713 | 77 | tui_last_regs_line_no (void) |
c906108c | 78 | { |
d02c80cd | 79 | int num_lines = (-1); |
c906108c | 80 | |
6d012f14 | 81 | if (TUI_DATA_WIN->detail.data_display_info.regs_content_count > 0) |
c906108c | 82 | { |
6ba8e26f | 83 | num_lines = (TUI_DATA_WIN->detail.data_display_info.regs_content_count / |
6d012f14 AC |
84 | TUI_DATA_WIN->detail.data_display_info.regs_column_count); |
85 | if (TUI_DATA_WIN->detail.data_display_info.regs_content_count % | |
86 | TUI_DATA_WIN->detail.data_display_info.regs_column_count) | |
6ba8e26f | 87 | num_lines++; |
c906108c | 88 | } |
6ba8e26f | 89 | return num_lines; |
55fb0713 | 90 | } |
c906108c SS |
91 | |
92 | ||
6ba8e26f AC |
93 | /* Answer the line number that the register element at element_no is |
94 | on. If element_no is greater than the number of register elements | |
55fb0713 | 95 | there are, -1 is returned. */ |
c906108c | 96 | int |
6ba8e26f | 97 | tui_line_from_reg_element_no (int element_no) |
c906108c | 98 | { |
6ba8e26f | 99 | if (element_no < TUI_DATA_WIN->detail.data_display_info.regs_content_count) |
c906108c SS |
100 | { |
101 | int i, line = (-1); | |
102 | ||
103 | i = 1; | |
104 | while (line == (-1)) | |
105 | { | |
6ba8e26f | 106 | if (element_no < |
6d012f14 | 107 | (TUI_DATA_WIN->detail.data_display_info.regs_column_count * i)) |
c906108c SS |
108 | line = i - 1; |
109 | else | |
110 | i++; | |
111 | } | |
112 | ||
113 | return line; | |
114 | } | |
115 | else | |
116 | return (-1); | |
55fb0713 | 117 | } |
c906108c SS |
118 | |
119 | ||
1cc6d956 MS |
120 | /* Answer the index of the first element in line_no. If line_no is |
121 | past the register area (-1) is returned. */ | |
c906108c | 122 | int |
6ba8e26f | 123 | tui_first_reg_element_no_inline (int line_no) |
c906108c | 124 | { |
6ba8e26f | 125 | if ((line_no * TUI_DATA_WIN->detail.data_display_info.regs_column_count) |
6d012f14 | 126 | <= TUI_DATA_WIN->detail.data_display_info.regs_content_count) |
6ba8e26f | 127 | return ((line_no + 1) * |
6d012f14 AC |
128 | TUI_DATA_WIN->detail.data_display_info.regs_column_count) - |
129 | TUI_DATA_WIN->detail.data_display_info.regs_column_count; | |
c906108c SS |
130 | else |
131 | return (-1); | |
55fb0713 | 132 | } |
c906108c SS |
133 | |
134 | ||
6ba8e26f AC |
135 | /* Answer the index of the last element in line_no. If line_no is |
136 | past the register area (-1) is returned. */ | |
c906108c | 137 | int |
6ba8e26f | 138 | tui_last_reg_element_no_in_line (int line_no) |
c906108c | 139 | { |
6ba8e26f | 140 | if ((line_no * TUI_DATA_WIN->detail.data_display_info.regs_column_count) <= |
6d012f14 | 141 | TUI_DATA_WIN->detail.data_display_info.regs_content_count) |
6ba8e26f | 142 | return ((line_no + 1) * |
6d012f14 | 143 | TUI_DATA_WIN->detail.data_display_info.regs_column_count) - 1; |
c906108c SS |
144 | else |
145 | return (-1); | |
6ba8e26f | 146 | } |
c906108c | 147 | |
10f59415 SC |
148 | /* Show the registers of the given group in the data window |
149 | and refresh the window. */ | |
c906108c | 150 | void |
10f59415 | 151 | tui_show_registers (struct reggroup *group) |
c906108c | 152 | { |
22940a24 | 153 | enum tui_status ret = TUI_FAILURE; |
0bfbda3b | 154 | struct tui_data_info *display_info; |
c906108c | 155 | |
0bfbda3b SC |
156 | /* Make sure the curses mode is enabled. */ |
157 | tui_enable (); | |
158 | ||
159 | /* Make sure the register window is visible. If not, select an | |
160 | appropriate layout. */ | |
161 | if (TUI_DATA_WIN == NULL || !TUI_DATA_WIN->generic.is_visible) | |
162 | tui_set_layout_for_display_command (DATA_NAME); | |
163 | ||
164 | display_info = &TUI_DATA_WIN->detail.data_display_info; | |
10f59415 SC |
165 | if (group == 0) |
166 | group = general_reggroup; | |
c906108c | 167 | |
1cc6d956 MS |
168 | /* Say that registers should be displayed, even if there is a |
169 | problem. */ | |
10f59415 SC |
170 | display_info->display_regs = TRUE; |
171 | ||
172 | if (target_has_registers && target_has_stack && target_has_memory) | |
c906108c | 173 | { |
5eccfcc2 | 174 | ret = tui_show_register_group (group, get_current_frame (), |
10f59415 | 175 | group == display_info->current_group); |
c906108c SS |
176 | } |
177 | if (ret == TUI_FAILURE) | |
178 | { | |
10f59415 | 179 | display_info->current_group = 0; |
edae1ccf | 180 | tui_erase_data_content (NO_REGS_STRING); |
c906108c SS |
181 | } |
182 | else | |
183 | { | |
184 | int i; | |
185 | ||
1cc6d956 | 186 | /* Clear all notation of changed values. */ |
10f59415 | 187 | for (i = 0; i < display_info->regs_content_count; i++) |
c906108c | 188 | { |
10f59415 SC |
189 | struct tui_gen_win_info *data_item_win; |
190 | struct tui_win_element *win; | |
c906108c | 191 | |
10f59415 SC |
192 | data_item_win = &display_info->regs_content[i] |
193 | ->which_element.data_window; | |
194 | win = (struct tui_win_element *) data_item_win->content[0]; | |
195 | win->which_element.data.highlight = FALSE; | |
c906108c | 196 | } |
10f59415 | 197 | display_info->current_group = group; |
edae1ccf | 198 | tui_display_all_data (); |
c906108c | 199 | } |
55fb0713 | 200 | } |
c906108c SS |
201 | |
202 | ||
10f59415 | 203 | /* Set the data window to display the registers of the register group |
1cc6d956 MS |
204 | using the given frame. Values are refreshed only when |
205 | refresh_values_only is TRUE. */ | |
10f59415 SC |
206 | |
207 | static enum tui_status | |
5eccfcc2 | 208 | tui_show_register_group (struct reggroup *group, |
08ef48c5 MS |
209 | struct frame_info *frame, |
210 | int refresh_values_only) | |
10f59415 | 211 | { |
5eccfcc2 | 212 | struct gdbarch *gdbarch = get_frame_arch (frame); |
10f59415 SC |
213 | enum tui_status ret = TUI_FAILURE; |
214 | int nr_regs; | |
215 | int allocated_here = FALSE; | |
216 | int regnum, pos; | |
217 | char title[80]; | |
218 | struct tui_data_info *display_info = &TUI_DATA_WIN->detail.data_display_info; | |
219 | ||
220 | /* Make a new title showing which group we display. */ | |
221 | snprintf (title, sizeof (title) - 1, "Register group: %s", | |
222 | reggroup_name (group)); | |
223 | xfree (TUI_DATA_WIN->generic.title); | |
224 | TUI_DATA_WIN->generic.title = xstrdup (title); | |
225 | ||
226 | /* See how many registers must be displayed. */ | |
227 | nr_regs = 0; | |
f57d151a | 228 | for (regnum = 0; |
5eccfcc2 UW |
229 | regnum < gdbarch_num_regs (gdbarch) |
230 | + gdbarch_num_pseudo_regs (gdbarch); | |
f57d151a | 231 | regnum++) |
10f59415 SC |
232 | { |
233 | /* Must be in the group and have a name. */ | |
234 | if (gdbarch_register_reggroup_p (gdbarch, regnum, group) | |
235 | && gdbarch_register_name (gdbarch, regnum) != 0) | |
236 | nr_regs++; | |
237 | } | |
238 | ||
239 | if (display_info->regs_content_count > 0 && !refresh_values_only) | |
240 | { | |
241 | tui_free_data_content (display_info->regs_content, | |
242 | display_info->regs_content_count); | |
243 | display_info->regs_content_count = 0; | |
244 | } | |
245 | ||
246 | if (display_info->regs_content_count <= 0) | |
247 | { | |
248 | display_info->regs_content = tui_alloc_content (nr_regs, DATA_WIN); | |
249 | allocated_here = TRUE; | |
250 | refresh_values_only = FALSE; | |
251 | } | |
252 | ||
253 | if (display_info->regs_content != (tui_win_content) NULL) | |
254 | { | |
255 | if (!refresh_values_only || allocated_here) | |
256 | { | |
257 | TUI_DATA_WIN->generic.content = (void*) NULL; | |
258 | TUI_DATA_WIN->generic.content_size = 0; | |
259 | tui_add_content_elements (&TUI_DATA_WIN->generic, nr_regs); | |
260 | display_info->regs_content | |
261 | = (tui_win_content) TUI_DATA_WIN->generic.content; | |
262 | display_info->regs_content_count = nr_regs; | |
263 | } | |
264 | ||
1cc6d956 | 265 | /* Now set the register names and values. */ |
10f59415 | 266 | pos = 0; |
f57d151a | 267 | for (regnum = 0; |
5eccfcc2 UW |
268 | regnum < gdbarch_num_regs (gdbarch) |
269 | + gdbarch_num_pseudo_regs (gdbarch); | |
f57d151a | 270 | regnum++) |
10f59415 SC |
271 | { |
272 | struct tui_gen_win_info *data_item_win; | |
273 | struct tui_data_element *data; | |
274 | const char *name; | |
275 | ||
276 | if (!gdbarch_register_reggroup_p (gdbarch, regnum, group)) | |
277 | continue; | |
278 | ||
279 | name = gdbarch_register_name (gdbarch, regnum); | |
280 | if (name == 0) | |
281 | continue; | |
282 | ||
283 | data_item_win = | |
284 | &display_info->regs_content[pos]->which_element.data_window; | |
9a2b4c1b MS |
285 | data = &((struct tui_win_element *) |
286 | data_item_win->content[0])->which_element.data; | |
10f59415 SC |
287 | if (data) |
288 | { | |
289 | if (!refresh_values_only) | |
290 | { | |
291 | data->item_no = regnum; | |
292 | data->name = name; | |
293 | data->highlight = FALSE; | |
294 | } | |
295 | if (data->value == (void*) NULL) | |
296 | data->value = (void*) xmalloc (MAX_REGISTER_SIZE); | |
297 | ||
5eccfcc2 | 298 | tui_get_register (frame, data, regnum, 0); |
10f59415 SC |
299 | } |
300 | pos++; | |
301 | } | |
302 | ||
303 | TUI_DATA_WIN->generic.content_size = | |
304 | display_info->regs_content_count + display_info->data_content_count; | |
305 | ret = TUI_SUCCESS; | |
306 | } | |
307 | ||
308 | return ret; | |
309 | } | |
310 | ||
55fb0713 | 311 | /* Function to display the registers in the content from |
6ba8e26f | 312 | 'start_element_no' until the end of the register content or the end |
55fb0713 AC |
313 | of the display height. No checking for displaying past the end of |
314 | the registers is done here. */ | |
c906108c | 315 | void |
6ba8e26f | 316 | tui_display_registers_from (int start_element_no) |
c906108c | 317 | { |
10f59415 SC |
318 | struct tui_data_info *display_info = &TUI_DATA_WIN->detail.data_display_info; |
319 | ||
e5908723 MS |
320 | if (display_info->regs_content != (tui_win_content) NULL |
321 | && display_info->regs_content_count > 0) | |
c906108c | 322 | { |
d02c80cd | 323 | int i = start_element_no; |
0043e6a5 | 324 | int j, item_win_width, cur_y; |
10f59415 SC |
325 | |
326 | int max_len = 0; | |
327 | for (i = 0; i < display_info->regs_content_count; i++) | |
328 | { | |
329 | struct tui_data_element *data; | |
330 | struct tui_gen_win_info *data_item_win; | |
331 | char *p; | |
332 | int len; | |
333 | ||
9a2b4c1b MS |
334 | data_item_win |
335 | = &display_info->regs_content[i]->which_element.data_window; | |
10f59415 SC |
336 | data = &((struct tui_win_element *) |
337 | data_item_win->content[0])->which_element.data; | |
338 | len = 0; | |
339 | p = data->content; | |
340 | if (p != 0) | |
341 | while (*p) | |
342 | { | |
343 | if (*p++ == '\t') | |
344 | len = 8 * ((len / 8) + 1); | |
345 | else | |
346 | len++; | |
347 | } | |
348 | ||
349 | if (len > max_len) | |
350 | max_len = len; | |
351 | } | |
352 | item_win_width = max_len + 1; | |
353 | i = start_element_no; | |
354 | ||
355 | display_info->regs_column_count = | |
356 | (TUI_DATA_WIN->generic.width - 2) / item_win_width; | |
357 | if (display_info->regs_column_count == 0) | |
358 | display_info->regs_column_count = 1; | |
359 | item_win_width = | |
360 | (TUI_DATA_WIN->generic.width - 2) / display_info->regs_column_count; | |
361 | ||
ef5eab5a MS |
362 | /* Now create each data "sub" window, and write the display into |
363 | it. */ | |
6ba8e26f | 364 | cur_y = 1; |
e5908723 MS |
365 | while (i < display_info->regs_content_count |
366 | && cur_y <= TUI_DATA_WIN->generic.viewport_height) | |
c906108c SS |
367 | { |
368 | for (j = 0; | |
e5908723 MS |
369 | j < display_info->regs_column_count |
370 | && i < display_info->regs_content_count; | |
371 | j++) | |
c906108c | 372 | { |
5b6fe301 MS |
373 | struct tui_gen_win_info *data_item_win; |
374 | struct tui_data_element *data_element_ptr; | |
c906108c | 375 | |
1cc6d956 | 376 | /* Create the window if necessary. */ |
10f59415 SC |
377 | data_item_win = &display_info->regs_content[i] |
378 | ->which_element.data_window; | |
6ba8e26f | 379 | data_element_ptr = &((struct tui_win_element *) |
9a2b4c1b | 380 | data_item_win->content[0])->which_element.data; |
10f59415 SC |
381 | if (data_item_win->handle != (WINDOW*) NULL |
382 | && (data_item_win->height != 1 | |
383 | || data_item_win->width != item_win_width | |
384 | || data_item_win->origin.x != (item_win_width * j) + 1 | |
385 | || data_item_win->origin.y != cur_y)) | |
386 | { | |
387 | tui_delete_win (data_item_win->handle); | |
388 | data_item_win->handle = 0; | |
389 | } | |
390 | ||
6ba8e26f | 391 | if (data_item_win->handle == (WINDOW *) NULL) |
c906108c | 392 | { |
6ba8e26f | 393 | data_item_win->height = 1; |
10f59415 | 394 | data_item_win->width = item_win_width; |
6ba8e26f AC |
395 | data_item_win->origin.x = (item_win_width * j) + 1; |
396 | data_item_win->origin.y = cur_y; | |
397 | tui_make_window (data_item_win, DONT_BOX_WINDOW); | |
398 | scrollok (data_item_win->handle, FALSE); | |
c906108c | 399 | } |
6ba8e26f | 400 | touchwin (data_item_win->handle); |
fea14702 | 401 | |
10f59415 SC |
402 | /* Get the printable representation of the register |
403 | and display it. */ | |
404 | tui_display_register (data_element_ptr, data_item_win); | |
1cc6d956 | 405 | i++; /* Next register. */ |
c906108c | 406 | } |
1cc6d956 | 407 | cur_y++; /* Next row. */ |
c906108c SS |
408 | } |
409 | } | |
55fb0713 | 410 | } |
c906108c SS |
411 | |
412 | ||
6ba8e26f AC |
413 | /* Function to display the registers in the content from |
414 | 'start_element_no' on 'start_line_no' until the end of the register | |
415 | content or the end of the display height. This function checks | |
416 | that we won't display off the end of the register display. */ | |
2c0b251b | 417 | static void |
08ef48c5 MS |
418 | tui_display_reg_element_at_line (int start_element_no, |
419 | int start_line_no) | |
c906108c | 420 | { |
9a2b4c1b MS |
421 | if (TUI_DATA_WIN->detail.data_display_info.regs_content |
422 | != (tui_win_content) NULL | |
e5908723 | 423 | && TUI_DATA_WIN->detail.data_display_info.regs_content_count > 0) |
c906108c | 424 | { |
d02c80cd | 425 | int element_no = start_element_no; |
c906108c | 426 | |
6ba8e26f | 427 | if (start_element_no != 0 && start_line_no != 0) |
c906108c | 428 | { |
d02c80cd | 429 | int last_line_no, first_line_on_last_page; |
c906108c | 430 | |
6ba8e26f | 431 | last_line_no = tui_last_regs_line_no (); |
9a2b4c1b MS |
432 | first_line_on_last_page |
433 | = last_line_no - (TUI_DATA_WIN->generic.height - 2); | |
6ba8e26f AC |
434 | if (first_line_on_last_page < 0) |
435 | first_line_on_last_page = 0; | |
ef5eab5a MS |
436 | |
437 | /* If there is no other data displayed except registers, and | |
438 | the element_no causes us to scroll past the end of the | |
439 | registers, adjust what element to really start the | |
440 | display at. */ | |
e5908723 MS |
441 | if (TUI_DATA_WIN->detail.data_display_info.data_content_count <= 0 |
442 | && start_line_no > first_line_on_last_page) | |
9a2b4c1b MS |
443 | element_no |
444 | = tui_first_reg_element_no_inline (first_line_on_last_page); | |
c906108c | 445 | } |
6ba8e26f | 446 | tui_display_registers_from (element_no); |
c906108c | 447 | } |
6ba8e26f | 448 | } |
c906108c SS |
449 | |
450 | ||
451 | ||
6ba8e26f | 452 | /* Function to display the registers starting at line line_no in the |
55fb0713 AC |
453 | data window. Answers the line number that the display actually |
454 | started from. If nothing is displayed (-1) is returned. */ | |
c906108c | 455 | int |
08ef48c5 MS |
456 | tui_display_registers_from_line (int line_no, |
457 | int force_display) | |
c906108c | 458 | { |
6d012f14 | 459 | if (TUI_DATA_WIN->detail.data_display_info.regs_content_count > 0) |
c906108c | 460 | { |
6ba8e26f | 461 | int line, element_no; |
c906108c | 462 | |
6ba8e26f | 463 | if (line_no < 0) |
c906108c | 464 | line = 0; |
6ba8e26f | 465 | else if (force_display) |
ef5eab5a MS |
466 | { /* If we must display regs (force_display is true), then |
467 | make sure that we don't display off the end of the | |
468 | registers. */ | |
6ba8e26f | 469 | if (line_no >= tui_last_regs_line_no ()) |
c906108c | 470 | { |
55fb0713 | 471 | if ((line = tui_line_from_reg_element_no ( |
6d012f14 | 472 | TUI_DATA_WIN->detail.data_display_info.regs_content_count - 1)) < 0) |
c906108c SS |
473 | line = 0; |
474 | } | |
475 | else | |
6ba8e26f | 476 | line = line_no; |
c906108c SS |
477 | } |
478 | else | |
6ba8e26f | 479 | line = line_no; |
c906108c | 480 | |
6ba8e26f | 481 | element_no = tui_first_reg_element_no_inline (line); |
9a2b4c1b MS |
482 | if (element_no |
483 | < TUI_DATA_WIN->detail.data_display_info.regs_content_count) | |
6ba8e26f | 484 | tui_display_reg_element_at_line (element_no, line); |
c906108c SS |
485 | else |
486 | line = (-1); | |
487 | ||
488 | return line; | |
489 | } | |
490 | ||
1cc6d956 | 491 | return (-1); /* Nothing was displayed. */ |
55fb0713 | 492 | } |
c906108c SS |
493 | |
494 | ||
55fb0713 AC |
495 | /* This function check all displayed registers for changes in values, |
496 | given a particular frame. If the values have changed, they are | |
497 | updated with the new value and highlighted. */ | |
c906108c | 498 | void |
55fb0713 | 499 | tui_check_register_values (struct frame_info *frame) |
c906108c | 500 | { |
e5908723 MS |
501 | if (TUI_DATA_WIN != NULL |
502 | && TUI_DATA_WIN->generic.is_visible) | |
c906108c | 503 | { |
10f59415 SC |
504 | struct tui_data_info *display_info |
505 | = &TUI_DATA_WIN->detail.data_display_info; | |
506 | ||
e5908723 MS |
507 | if (display_info->regs_content_count <= 0 |
508 | && display_info->display_regs) | |
10f59415 | 509 | tui_show_registers (display_info->current_group); |
c906108c SS |
510 | else |
511 | { | |
0043e6a5 | 512 | int i; |
c906108c | 513 | |
10f59415 | 514 | for (i = 0; (i < display_info->regs_content_count); i++) |
c906108c | 515 | { |
10f59415 SC |
516 | struct tui_data_element *data; |
517 | struct tui_gen_win_info *data_item_win_ptr; | |
6ba8e26f | 518 | int was_hilighted; |
c906108c | 519 | |
10f59415 SC |
520 | data_item_win_ptr = &display_info->regs_content[i]-> |
521 | which_element.data_window; | |
522 | data = &((struct tui_win_element *) | |
523 | data_item_win_ptr->content[0])->which_element.data; | |
524 | was_hilighted = data->highlight; | |
525 | ||
5eccfcc2 | 526 | tui_get_register (frame, data, |
10f59415 SC |
527 | data->item_no, &data->highlight); |
528 | ||
529 | if (data->highlight || was_hilighted) | |
c906108c | 530 | { |
10f59415 | 531 | tui_display_register (data, data_item_win_ptr); |
c906108c SS |
532 | } |
533 | } | |
534 | } | |
535 | } | |
55fb0713 | 536 | } |
c906108c | 537 | |
1cc6d956 MS |
538 | /* Display a register in a window. If hilite is TRUE, then the value |
539 | will be displayed in reverse video. */ | |
10f59415 SC |
540 | static void |
541 | tui_display_register (struct tui_data_element *data, | |
542 | struct tui_gen_win_info *win_info) | |
543 | { | |
544 | if (win_info->handle != (WINDOW *) NULL) | |
545 | { | |
546 | int i; | |
c906108c | 547 | |
10f59415 | 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) wstandout (win_info->handle); |
10f59415 SC |
555 | |
556 | wmove (win_info->handle, 0, 0); | |
557 | for (i = 1; i < win_info->width; i++) | |
558 | waddch (win_info->handle, ' '); | |
559 | wmove (win_info->handle, 0, 0); | |
560 | if (data->content) | |
561 | waddstr (win_info->handle, data->content); | |
562 | ||
563 | if (data->highlight) | |
cae3f17b JB |
564 | /* We ignore the return value, casting it to void in order to avoid |
565 | a compiler warning. The warning itself was introduced by a patch | |
566 | to ncurses 5.7 dated 2009-08-29, changing this macro to expand | |
567 | to code that causes the compiler to generate an unused-value | |
568 | warning. */ | |
ae3bccd4 | 569 | (void) wstandend (win_info->handle); |
10f59415 SC |
570 | tui_refresh_win (win_info); |
571 | } | |
572 | } | |
573 | ||
574 | static void | |
575 | tui_reg_next_command (char *arg, int from_tty) | |
c906108c | 576 | { |
e17c207e UW |
577 | struct gdbarch *gdbarch = get_current_arch (); |
578 | ||
10f59415 SC |
579 | if (TUI_DATA_WIN != 0) |
580 | { | |
581 | struct reggroup *group | |
582 | = TUI_DATA_WIN->detail.data_display_info.current_group; | |
c906108c | 583 | |
e17c207e | 584 | group = reggroup_next (gdbarch, group); |
10f59415 | 585 | if (group == 0) |
e17c207e | 586 | group = reggroup_next (gdbarch, 0); |
10f59415 SC |
587 | |
588 | if (group) | |
589 | tui_show_registers (group); | |
590 | } | |
591 | } | |
592 | ||
593 | static void | |
594 | tui_reg_float_command (char *arg, int from_tty) | |
595 | { | |
596 | tui_show_registers (float_reggroup); | |
597 | } | |
c906108c | 598 | |
10f59415 SC |
599 | static void |
600 | tui_reg_general_command (char *arg, int from_tty) | |
601 | { | |
602 | tui_show_registers (general_reggroup); | |
603 | } | |
c906108c | 604 | |
10f59415 SC |
605 | static void |
606 | tui_reg_system_command (char *arg, int from_tty) | |
607 | { | |
608 | tui_show_registers (system_reggroup); | |
609 | } | |
610 | ||
611 | static struct cmd_list_element *tuireglist; | |
c906108c | 612 | |
10f59415 SC |
613 | static void |
614 | tui_reg_command (char *args, int from_tty) | |
615 | { | |
a3f17187 AC |
616 | printf_unfiltered (_("\"tui reg\" must be followed by the name of a " |
617 | "tui reg command.\n")); | |
10f59415 SC |
618 | help_list (tuireglist, "tui reg ", -1, gdb_stdout); |
619 | } | |
c906108c | 620 | |
2c0b251b PA |
621 | /* Provide a prototype to silence -Wmissing-prototypes. */ |
622 | extern initialize_file_ftype _initialize_tui_regs; | |
623 | ||
c906108c | 624 | void |
6ba8e26f | 625 | _initialize_tui_regs (void) |
c906108c | 626 | { |
10f59415 SC |
627 | struct cmd_list_element **tuicmd; |
628 | ||
629 | tuicmd = tui_get_cmd_list (); | |
630 | ||
631 | add_prefix_cmd ("reg", class_tui, tui_reg_command, | |
1bedd215 | 632 | _("TUI commands to control the register window."), |
10f59415 SC |
633 | &tuireglist, "tui reg ", 0, |
634 | tuicmd); | |
635 | ||
636 | add_cmd ("float", class_tui, tui_reg_float_command, | |
1a966eab | 637 | _("Display only floating point registers."), |
10f59415 SC |
638 | &tuireglist); |
639 | add_cmd ("general", class_tui, tui_reg_general_command, | |
1a966eab | 640 | _("Display only general registers."), |
10f59415 SC |
641 | &tuireglist); |
642 | add_cmd ("system", class_tui, tui_reg_system_command, | |
1a966eab | 643 | _("Display only system registers."), |
10f59415 SC |
644 | &tuireglist); |
645 | add_cmd ("next", class_tui, tui_reg_next_command, | |
1a966eab | 646 | _("Display next register group."), |
10f59415 SC |
647 | &tuireglist); |
648 | ||
41783295 | 649 | if (xdb_commands) |
c906108c | 650 | { |
10f59415 | 651 | add_com ("fr", class_tui, tui_reg_float_command, |
1bedd215 | 652 | _("Display only floating point registers\n")); |
10f59415 | 653 | add_com ("gr", class_tui, tui_reg_general_command, |
1bedd215 | 654 | _("Display only general registers\n")); |
10f59415 | 655 | add_com ("sr", class_tui, tui_reg_system_command, |
1bedd215 | 656 | _("Display only special registers\n")); |
6ba8e26f | 657 | add_com ("+r", class_tui, tui_scroll_regs_forward_command, |
1bedd215 | 658 | _("Scroll the registers window forward\n")); |
6ba8e26f | 659 | add_com ("-r", class_tui, tui_scroll_regs_backward_command, |
1bedd215 | 660 | _("Scroll the register window backward\n")); |
c906108c | 661 | } |
41783295 | 662 | } |
c906108c SS |
663 | |
664 | ||
665 | /***************************************** | |
666 | ** STATIC LOCAL FUNCTIONS ** | |
667 | ******************************************/ | |
668 | ||
c46cc7df | 669 | extern int pagination_enabled; |
c906108c | 670 | |
c46cc7df SC |
671 | static void |
672 | tui_restore_gdbout (void *ui) | |
673 | { | |
674 | ui_file_delete (gdb_stdout); | |
675 | gdb_stdout = (struct ui_file*) ui; | |
676 | pagination_enabled = 1; | |
677 | } | |
c906108c | 678 | |
10f59415 SC |
679 | /* Get the register from the frame and make a printable representation |
680 | of it in the data element. */ | |
c906108c | 681 | static void |
5eccfcc2 | 682 | tui_register_format (struct frame_info *frame, |
08ef48c5 MS |
683 | struct tui_data_element *data_element, |
684 | int regnum) | |
c906108c | 685 | { |
5eccfcc2 | 686 | struct gdbarch *gdbarch = get_frame_arch (frame); |
d9fcf2fb | 687 | struct ui_file *stream; |
c46cc7df | 688 | struct ui_file *old_stdout; |
bc77de56 | 689 | const char *name; |
c46cc7df | 690 | struct cleanup *cleanups; |
10f59415 | 691 | char *p, *s; |
c906108c | 692 | |
10f59415 | 693 | name = gdbarch_register_name (gdbarch, regnum); |
c46cc7df SC |
694 | if (name == 0) |
695 | { | |
c46cc7df SC |
696 | return; |
697 | } | |
698 | ||
699 | pagination_enabled = 0; | |
700 | old_stdout = gdb_stdout; | |
10f59415 | 701 | stream = tui_sfileopen (256); |
c46cc7df SC |
702 | gdb_stdout = stream; |
703 | cleanups = make_cleanup (tui_restore_gdbout, (void*) old_stdout); | |
b30aa278 | 704 | gdbarch_print_registers_info (gdbarch, stream, frame, regnum, 1); |
10f59415 SC |
705 | |
706 | /* Save formatted output in the buffer. */ | |
707 | p = tui_file_get_strbuf (stream); | |
c46cc7df SC |
708 | |
709 | /* Remove the possible \n. */ | |
10f59415 SC |
710 | s = strrchr (p, '\n'); |
711 | if (s && s[1] == 0) | |
712 | *s = 0; | |
c46cc7df | 713 | |
10f59415 SC |
714 | xfree (data_element->content); |
715 | data_element->content = xstrdup (p); | |
c46cc7df SC |
716 | do_cleanups (cleanups); |
717 | } | |
c906108c | 718 | |
1cc6d956 MS |
719 | /* Get the register value from the given frame and format it for the |
720 | display. When changep is set, check if the new register value has | |
721 | changed with respect to the previous call. */ | |
22940a24 | 722 | static enum tui_status |
5eccfcc2 | 723 | tui_get_register (struct frame_info *frame, |
08ef48c5 MS |
724 | struct tui_data_element *data, |
725 | int regnum, int *changedp) | |
c906108c | 726 | { |
22940a24 | 727 | enum tui_status ret = TUI_FAILURE; |
c906108c | 728 | |
10f59415 SC |
729 | if (changedp) |
730 | *changedp = FALSE; | |
c906108c SS |
731 | if (target_has_registers) |
732 | { | |
10c42a71 | 733 | gdb_byte buf[MAX_REGISTER_SIZE]; |
10f59415 | 734 | |
1c5313c5 | 735 | get_frame_register (frame, regnum, buf); |
9c5ea4d9 UW |
736 | if (changedp) |
737 | { | |
5eccfcc2 | 738 | struct gdbarch *gdbarch = get_frame_arch (frame); |
9c5ea4d9 UW |
739 | int size = register_size (gdbarch, regnum); |
740 | char *old = (char*) data->value; | |
741 | int i; | |
742 | ||
743 | for (i = 0; i < size; i++) | |
744 | if (buf[i] != old[i]) | |
745 | { | |
746 | *changedp = TRUE; | |
747 | old[i] = buf[i]; | |
748 | } | |
749 | } | |
750 | ||
751 | /* Reformat the data content if the value changed. */ | |
752 | if (changedp == 0 || *changedp == TRUE) | |
5eccfcc2 | 753 | tui_register_format (frame, data, regnum); |
9c5ea4d9 UW |
754 | |
755 | ret = TUI_SUCCESS; | |
c906108c | 756 | } |
c906108c | 757 | return ret; |
6ba8e26f | 758 | } |
c906108c | 759 | |
c906108c | 760 | static void |
6ba8e26f | 761 | tui_scroll_regs_forward_command (char *arg, int from_tty) |
c906108c | 762 | { |
6d012f14 | 763 | tui_scroll (FORWARD_SCROLL, TUI_DATA_WIN, 1); |
e8b915dc | 764 | } |
c906108c SS |
765 | |
766 | ||
767 | static void | |
6ba8e26f | 768 | tui_scroll_regs_backward_command (char *arg, int from_tty) |
c906108c | 769 | { |
6d012f14 | 770 | tui_scroll (BACKWARD_SCROLL, TUI_DATA_WIN, 1); |
e8b915dc | 771 | } |