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Commit | Line | Data |
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f377b406 | 1 | /* TUI display registers in window. |
f33c6cbf | 2 | |
6aba47ca DJ |
3 | Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007 |
4 | 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 | |
12 | the Free Software Foundation; either version 2 of the License, or | |
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 | |
21 | along with this program; if not, write to the Free Software | |
88d83552 EZ |
22 | Foundation, Inc., 51 Franklin Street, Fifth Floor, |
23 | Boston, MA 02110-1301, USA. */ | |
c906108c SS |
24 | |
25 | #include "defs.h" | |
d7b2e967 AC |
26 | #include "tui/tui.h" |
27 | #include "tui/tui-data.h" | |
c906108c SS |
28 | #include "symtab.h" |
29 | #include "gdbtypes.h" | |
30 | #include "gdbcmd.h" | |
31 | #include "frame.h" | |
bc77de56 | 32 | #include "regcache.h" |
c906108c SS |
33 | #include "inferior.h" |
34 | #include "target.h" | |
6d012f14 | 35 | #include "gdb_string.h" |
d7b2e967 AC |
36 | #include "tui/tui-layout.h" |
37 | #include "tui/tui-win.h" | |
38 | #include "tui/tui-windata.h" | |
39 | #include "tui/tui-wingeneral.h" | |
40 | #include "tui/tui-file.h" | |
10f59415 | 41 | #include "reggroups.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 | |
10f59415 SC |
53 | static enum tui_status |
54 | tui_show_register_group (struct gdbarch *gdbarch, struct reggroup *group, | |
55 | struct frame_info *frame, int refresh_values_only); | |
c906108c | 56 | |
10f59415 SC |
57 | static enum tui_status |
58 | tui_get_register (struct gdbarch *gdbarch, struct frame_info *frame, | |
59 | struct tui_data_element *data, int regnum, int *changedp); | |
6ba8e26f | 60 | static void tui_register_format |
10f59415 | 61 | (struct gdbarch *, struct frame_info *, struct tui_data_element*, int); |
6ba8e26f AC |
62 | static void tui_scroll_regs_forward_command (char *, int); |
63 | static void tui_scroll_regs_backward_command (char *, int); | |
c906108c SS |
64 | |
65 | ||
66 | ||
67 | /***************************************** | |
68 | ** PUBLIC FUNCTIONS ** | |
69 | ******************************************/ | |
70 | ||
55fb0713 AC |
71 | /* Answer the number of the last line in the regs display. If there |
72 | are no registers (-1) is returned. */ | |
c906108c | 73 | int |
55fb0713 | 74 | tui_last_regs_line_no (void) |
c906108c | 75 | { |
d02c80cd | 76 | int num_lines = (-1); |
c906108c | 77 | |
6d012f14 | 78 | if (TUI_DATA_WIN->detail.data_display_info.regs_content_count > 0) |
c906108c | 79 | { |
6ba8e26f | 80 | num_lines = (TUI_DATA_WIN->detail.data_display_info.regs_content_count / |
6d012f14 AC |
81 | TUI_DATA_WIN->detail.data_display_info.regs_column_count); |
82 | if (TUI_DATA_WIN->detail.data_display_info.regs_content_count % | |
83 | TUI_DATA_WIN->detail.data_display_info.regs_column_count) | |
6ba8e26f | 84 | num_lines++; |
c906108c | 85 | } |
6ba8e26f | 86 | return num_lines; |
55fb0713 | 87 | } |
c906108c SS |
88 | |
89 | ||
6ba8e26f AC |
90 | /* Answer the line number that the register element at element_no is |
91 | on. If element_no is greater than the number of register elements | |
55fb0713 | 92 | there are, -1 is returned. */ |
c906108c | 93 | int |
6ba8e26f | 94 | tui_line_from_reg_element_no (int element_no) |
c906108c | 95 | { |
6ba8e26f | 96 | if (element_no < TUI_DATA_WIN->detail.data_display_info.regs_content_count) |
c906108c SS |
97 | { |
98 | int i, line = (-1); | |
99 | ||
100 | i = 1; | |
101 | while (line == (-1)) | |
102 | { | |
6ba8e26f | 103 | if (element_no < |
6d012f14 | 104 | (TUI_DATA_WIN->detail.data_display_info.regs_column_count * i)) |
c906108c SS |
105 | line = i - 1; |
106 | else | |
107 | i++; | |
108 | } | |
109 | ||
110 | return line; | |
111 | } | |
112 | else | |
113 | return (-1); | |
55fb0713 | 114 | } |
c906108c SS |
115 | |
116 | ||
1cc6d956 MS |
117 | /* Answer the index of the first element in line_no. If line_no is |
118 | past the register area (-1) is returned. */ | |
c906108c | 119 | int |
6ba8e26f | 120 | tui_first_reg_element_no_inline (int line_no) |
c906108c | 121 | { |
6ba8e26f | 122 | if ((line_no * TUI_DATA_WIN->detail.data_display_info.regs_column_count) |
6d012f14 | 123 | <= TUI_DATA_WIN->detail.data_display_info.regs_content_count) |
6ba8e26f | 124 | return ((line_no + 1) * |
6d012f14 AC |
125 | TUI_DATA_WIN->detail.data_display_info.regs_column_count) - |
126 | TUI_DATA_WIN->detail.data_display_info.regs_column_count; | |
c906108c SS |
127 | else |
128 | return (-1); | |
55fb0713 | 129 | } |
c906108c SS |
130 | |
131 | ||
6ba8e26f AC |
132 | /* Answer the index of the last element in line_no. If line_no is |
133 | past the register area (-1) is returned. */ | |
c906108c | 134 | int |
6ba8e26f | 135 | tui_last_reg_element_no_in_line (int line_no) |
c906108c | 136 | { |
6ba8e26f | 137 | if ((line_no * TUI_DATA_WIN->detail.data_display_info.regs_column_count) <= |
6d012f14 | 138 | TUI_DATA_WIN->detail.data_display_info.regs_content_count) |
6ba8e26f | 139 | return ((line_no + 1) * |
6d012f14 | 140 | TUI_DATA_WIN->detail.data_display_info.regs_column_count) - 1; |
c906108c SS |
141 | else |
142 | return (-1); | |
6ba8e26f | 143 | } |
c906108c | 144 | |
10f59415 SC |
145 | /* Show the registers of the given group in the data window |
146 | and refresh the window. */ | |
c906108c | 147 | void |
10f59415 | 148 | tui_show_registers (struct reggroup *group) |
c906108c | 149 | { |
22940a24 | 150 | enum tui_status ret = TUI_FAILURE; |
0bfbda3b | 151 | struct tui_data_info *display_info; |
c906108c | 152 | |
0bfbda3b SC |
153 | /* Make sure the curses mode is enabled. */ |
154 | tui_enable (); | |
155 | ||
156 | /* Make sure the register window is visible. If not, select an | |
157 | appropriate layout. */ | |
158 | if (TUI_DATA_WIN == NULL || !TUI_DATA_WIN->generic.is_visible) | |
159 | tui_set_layout_for_display_command (DATA_NAME); | |
160 | ||
161 | display_info = &TUI_DATA_WIN->detail.data_display_info; | |
10f59415 SC |
162 | if (group == 0) |
163 | group = general_reggroup; | |
c906108c | 164 | |
1cc6d956 MS |
165 | /* Say that registers should be displayed, even if there is a |
166 | problem. */ | |
10f59415 SC |
167 | display_info->display_regs = TRUE; |
168 | ||
169 | if (target_has_registers && target_has_stack && target_has_memory) | |
c906108c | 170 | { |
10f59415 SC |
171 | ret = tui_show_register_group (current_gdbarch, group, |
172 | get_current_frame (), | |
173 | group == display_info->current_group); | |
c906108c SS |
174 | } |
175 | if (ret == TUI_FAILURE) | |
176 | { | |
10f59415 | 177 | display_info->current_group = 0; |
edae1ccf | 178 | tui_erase_data_content (NO_REGS_STRING); |
c906108c SS |
179 | } |
180 | else | |
181 | { | |
182 | int i; | |
183 | ||
1cc6d956 | 184 | /* Clear all notation of changed values. */ |
10f59415 | 185 | for (i = 0; i < display_info->regs_content_count; i++) |
c906108c | 186 | { |
10f59415 SC |
187 | struct tui_gen_win_info *data_item_win; |
188 | struct tui_win_element *win; | |
c906108c | 189 | |
10f59415 SC |
190 | data_item_win = &display_info->regs_content[i] |
191 | ->which_element.data_window; | |
192 | win = (struct tui_win_element *) data_item_win->content[0]; | |
193 | win->which_element.data.highlight = FALSE; | |
c906108c | 194 | } |
10f59415 | 195 | display_info->current_group = group; |
edae1ccf | 196 | tui_display_all_data (); |
c906108c | 197 | } |
55fb0713 | 198 | } |
c906108c SS |
199 | |
200 | ||
10f59415 | 201 | /* Set the data window to display the registers of the register group |
1cc6d956 MS |
202 | using the given frame. Values are refreshed only when |
203 | refresh_values_only is TRUE. */ | |
10f59415 SC |
204 | |
205 | static enum tui_status | |
206 | tui_show_register_group (struct gdbarch *gdbarch, struct reggroup *group, | |
207 | struct frame_info *frame, int refresh_values_only) | |
208 | { | |
209 | enum tui_status ret = TUI_FAILURE; | |
210 | int nr_regs; | |
211 | int allocated_here = FALSE; | |
212 | int regnum, pos; | |
213 | char title[80]; | |
214 | struct tui_data_info *display_info = &TUI_DATA_WIN->detail.data_display_info; | |
215 | ||
216 | /* Make a new title showing which group we display. */ | |
217 | snprintf (title, sizeof (title) - 1, "Register group: %s", | |
218 | reggroup_name (group)); | |
219 | xfree (TUI_DATA_WIN->generic.title); | |
220 | TUI_DATA_WIN->generic.title = xstrdup (title); | |
221 | ||
222 | /* See how many registers must be displayed. */ | |
223 | nr_regs = 0; | |
f57d151a UW |
224 | for (regnum = 0; |
225 | regnum < gdbarch_num_regs (current_gdbarch) | |
226 | + gdbarch_num_pseudo_regs (current_gdbarch); | |
227 | regnum++) | |
10f59415 SC |
228 | { |
229 | /* Must be in the group and have a name. */ | |
230 | if (gdbarch_register_reggroup_p (gdbarch, regnum, group) | |
231 | && gdbarch_register_name (gdbarch, regnum) != 0) | |
232 | nr_regs++; | |
233 | } | |
234 | ||
235 | if (display_info->regs_content_count > 0 && !refresh_values_only) | |
236 | { | |
237 | tui_free_data_content (display_info->regs_content, | |
238 | display_info->regs_content_count); | |
239 | display_info->regs_content_count = 0; | |
240 | } | |
241 | ||
242 | if (display_info->regs_content_count <= 0) | |
243 | { | |
244 | display_info->regs_content = tui_alloc_content (nr_regs, DATA_WIN); | |
245 | allocated_here = TRUE; | |
246 | refresh_values_only = FALSE; | |
247 | } | |
248 | ||
249 | if (display_info->regs_content != (tui_win_content) NULL) | |
250 | { | |
251 | if (!refresh_values_only || allocated_here) | |
252 | { | |
253 | TUI_DATA_WIN->generic.content = (void*) NULL; | |
254 | TUI_DATA_WIN->generic.content_size = 0; | |
255 | tui_add_content_elements (&TUI_DATA_WIN->generic, nr_regs); | |
256 | display_info->regs_content | |
257 | = (tui_win_content) TUI_DATA_WIN->generic.content; | |
258 | display_info->regs_content_count = nr_regs; | |
259 | } | |
260 | ||
1cc6d956 | 261 | /* Now set the register names and values. */ |
10f59415 | 262 | pos = 0; |
f57d151a UW |
263 | for (regnum = 0; |
264 | regnum < gdbarch_num_regs (current_gdbarch) | |
265 | + gdbarch_num_pseudo_regs (current_gdbarch); | |
266 | regnum++) | |
10f59415 SC |
267 | { |
268 | struct tui_gen_win_info *data_item_win; | |
269 | struct tui_data_element *data; | |
270 | const char *name; | |
271 | ||
272 | if (!gdbarch_register_reggroup_p (gdbarch, regnum, group)) | |
273 | continue; | |
274 | ||
275 | name = gdbarch_register_name (gdbarch, regnum); | |
276 | if (name == 0) | |
277 | continue; | |
278 | ||
279 | data_item_win = | |
280 | &display_info->regs_content[pos]->which_element.data_window; | |
281 | data = | |
282 | &((struct tui_win_element *) data_item_win->content[0])->which_element.data; | |
283 | if (data) | |
284 | { | |
285 | if (!refresh_values_only) | |
286 | { | |
287 | data->item_no = regnum; | |
288 | data->name = name; | |
289 | data->highlight = FALSE; | |
290 | } | |
291 | if (data->value == (void*) NULL) | |
292 | data->value = (void*) xmalloc (MAX_REGISTER_SIZE); | |
293 | ||
294 | tui_get_register (gdbarch, frame, data, regnum, 0); | |
295 | } | |
296 | pos++; | |
297 | } | |
298 | ||
299 | TUI_DATA_WIN->generic.content_size = | |
300 | display_info->regs_content_count + display_info->data_content_count; | |
301 | ret = TUI_SUCCESS; | |
302 | } | |
303 | ||
304 | return ret; | |
305 | } | |
306 | ||
55fb0713 | 307 | /* Function to display the registers in the content from |
6ba8e26f | 308 | 'start_element_no' until the end of the register content or the end |
55fb0713 AC |
309 | of the display height. No checking for displaying past the end of |
310 | the registers is done here. */ | |
c906108c | 311 | void |
6ba8e26f | 312 | tui_display_registers_from (int start_element_no) |
c906108c | 313 | { |
10f59415 SC |
314 | struct tui_data_info *display_info = &TUI_DATA_WIN->detail.data_display_info; |
315 | ||
316 | if (display_info->regs_content != (tui_win_content) NULL && | |
317 | display_info->regs_content_count > 0) | |
c906108c | 318 | { |
d02c80cd | 319 | int i = start_element_no; |
4cfcaf21 | 320 | int j, value_chars_wide, item_win_width, cur_y; |
10f59415 SC |
321 | |
322 | int max_len = 0; | |
323 | for (i = 0; i < display_info->regs_content_count; i++) | |
324 | { | |
325 | struct tui_data_element *data; | |
326 | struct tui_gen_win_info *data_item_win; | |
327 | char *p; | |
328 | int len; | |
329 | ||
330 | data_item_win = &display_info->regs_content[i]->which_element.data_window; | |
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; |
10f59415 | 360 | while (i < display_info->regs_content_count && |
6ba8e26f | 361 | cur_y <= TUI_DATA_WIN->generic.viewport_height) |
c906108c SS |
362 | { |
363 | for (j = 0; | |
10f59415 SC |
364 | (j < display_info->regs_column_count && |
365 | i < display_info->regs_content_count); j++) | |
c906108c | 366 | { |
5b6fe301 MS |
367 | struct tui_gen_win_info *data_item_win; |
368 | struct tui_data_element *data_element_ptr; | |
c906108c | 369 | |
1cc6d956 | 370 | /* Create the window if necessary. */ |
10f59415 SC |
371 | data_item_win = &display_info->regs_content[i] |
372 | ->which_element.data_window; | |
6ba8e26f AC |
373 | data_element_ptr = &((struct tui_win_element *) |
374 | data_item_win->content[0])->which_element.data; | |
10f59415 SC |
375 | if (data_item_win->handle != (WINDOW*) NULL |
376 | && (data_item_win->height != 1 | |
377 | || data_item_win->width != item_win_width | |
378 | || data_item_win->origin.x != (item_win_width * j) + 1 | |
379 | || data_item_win->origin.y != cur_y)) | |
380 | { | |
381 | tui_delete_win (data_item_win->handle); | |
382 | data_item_win->handle = 0; | |
383 | } | |
384 | ||
6ba8e26f | 385 | if (data_item_win->handle == (WINDOW *) NULL) |
c906108c | 386 | { |
6ba8e26f | 387 | data_item_win->height = 1; |
10f59415 | 388 | data_item_win->width = item_win_width; |
6ba8e26f AC |
389 | data_item_win->origin.x = (item_win_width * j) + 1; |
390 | data_item_win->origin.y = cur_y; | |
391 | tui_make_window (data_item_win, DONT_BOX_WINDOW); | |
392 | scrollok (data_item_win->handle, FALSE); | |
c906108c | 393 | } |
6ba8e26f | 394 | touchwin (data_item_win->handle); |
fea14702 | 395 | |
10f59415 SC |
396 | /* Get the printable representation of the register |
397 | and display it. */ | |
398 | tui_display_register (data_element_ptr, data_item_win); | |
1cc6d956 | 399 | i++; /* Next register. */ |
c906108c | 400 | } |
1cc6d956 | 401 | cur_y++; /* Next row. */ |
c906108c SS |
402 | } |
403 | } | |
55fb0713 | 404 | } |
c906108c SS |
405 | |
406 | ||
6ba8e26f AC |
407 | /* Function to display the registers in the content from |
408 | 'start_element_no' on 'start_line_no' until the end of the register | |
409 | content or the end of the display height. This function checks | |
410 | that we won't display off the end of the register display. */ | |
c906108c | 411 | void |
6ba8e26f | 412 | tui_display_reg_element_at_line (int start_element_no, int start_line_no) |
c906108c | 413 | { |
6d012f14 AC |
414 | if (TUI_DATA_WIN->detail.data_display_info.regs_content != (tui_win_content) NULL && |
415 | TUI_DATA_WIN->detail.data_display_info.regs_content_count > 0) | |
c906108c | 416 | { |
d02c80cd | 417 | int element_no = start_element_no; |
c906108c | 418 | |
6ba8e26f | 419 | if (start_element_no != 0 && start_line_no != 0) |
c906108c | 420 | { |
d02c80cd | 421 | int last_line_no, first_line_on_last_page; |
c906108c | 422 | |
6ba8e26f AC |
423 | last_line_no = tui_last_regs_line_no (); |
424 | first_line_on_last_page = last_line_no - (TUI_DATA_WIN->generic.height - 2); | |
425 | if (first_line_on_last_page < 0) | |
426 | first_line_on_last_page = 0; | |
ef5eab5a MS |
427 | |
428 | /* If there is no other data displayed except registers, and | |
429 | the element_no causes us to scroll past the end of the | |
430 | registers, adjust what element to really start the | |
431 | display at. */ | |
6d012f14 | 432 | if (TUI_DATA_WIN->detail.data_display_info.data_content_count <= 0 && |
6ba8e26f AC |
433 | start_line_no > first_line_on_last_page) |
434 | element_no = tui_first_reg_element_no_inline (first_line_on_last_page); | |
c906108c | 435 | } |
6ba8e26f | 436 | tui_display_registers_from (element_no); |
c906108c | 437 | } |
6ba8e26f | 438 | } |
c906108c SS |
439 | |
440 | ||
441 | ||
6ba8e26f | 442 | /* Function to display the registers starting at line line_no in the |
55fb0713 AC |
443 | data window. Answers the line number that the display actually |
444 | started from. If nothing is displayed (-1) is returned. */ | |
c906108c | 445 | int |
6ba8e26f | 446 | tui_display_registers_from_line (int line_no, int force_display) |
c906108c | 447 | { |
6d012f14 | 448 | if (TUI_DATA_WIN->detail.data_display_info.regs_content_count > 0) |
c906108c | 449 | { |
6ba8e26f | 450 | int line, element_no; |
c906108c | 451 | |
6ba8e26f | 452 | if (line_no < 0) |
c906108c | 453 | line = 0; |
6ba8e26f | 454 | else if (force_display) |
ef5eab5a MS |
455 | { /* If we must display regs (force_display is true), then |
456 | make sure that we don't display off the end of the | |
457 | registers. */ | |
6ba8e26f | 458 | if (line_no >= tui_last_regs_line_no ()) |
c906108c | 459 | { |
55fb0713 | 460 | if ((line = tui_line_from_reg_element_no ( |
6d012f14 | 461 | TUI_DATA_WIN->detail.data_display_info.regs_content_count - 1)) < 0) |
c906108c SS |
462 | line = 0; |
463 | } | |
464 | else | |
6ba8e26f | 465 | line = line_no; |
c906108c SS |
466 | } |
467 | else | |
6ba8e26f | 468 | line = line_no; |
c906108c | 469 | |
6ba8e26f AC |
470 | element_no = tui_first_reg_element_no_inline (line); |
471 | if (element_no < TUI_DATA_WIN->detail.data_display_info.regs_content_count) | |
472 | tui_display_reg_element_at_line (element_no, line); | |
c906108c SS |
473 | else |
474 | line = (-1); | |
475 | ||
476 | return line; | |
477 | } | |
478 | ||
1cc6d956 | 479 | return (-1); /* Nothing was displayed. */ |
55fb0713 | 480 | } |
c906108c SS |
481 | |
482 | ||
55fb0713 AC |
483 | /* This function check all displayed registers for changes in values, |
484 | given a particular frame. If the values have changed, they are | |
485 | updated with the new value and highlighted. */ | |
c906108c | 486 | void |
55fb0713 | 487 | tui_check_register_values (struct frame_info *frame) |
c906108c | 488 | { |
6d012f14 | 489 | if (TUI_DATA_WIN != NULL && TUI_DATA_WIN->generic.is_visible) |
c906108c | 490 | { |
10f59415 SC |
491 | struct tui_data_info *display_info |
492 | = &TUI_DATA_WIN->detail.data_display_info; | |
493 | ||
494 | if (display_info->regs_content_count <= 0 && display_info->display_regs) | |
495 | tui_show_registers (display_info->current_group); | |
c906108c SS |
496 | else |
497 | { | |
498 | int i, j; | |
c906108c | 499 | |
10f59415 | 500 | for (i = 0; (i < display_info->regs_content_count); i++) |
c906108c | 501 | { |
10f59415 SC |
502 | struct tui_data_element *data; |
503 | struct tui_gen_win_info *data_item_win_ptr; | |
6ba8e26f | 504 | int was_hilighted; |
c906108c | 505 | |
10f59415 SC |
506 | data_item_win_ptr = &display_info->regs_content[i]-> |
507 | which_element.data_window; | |
508 | data = &((struct tui_win_element *) | |
509 | data_item_win_ptr->content[0])->which_element.data; | |
510 | was_hilighted = data->highlight; | |
511 | ||
512 | tui_get_register (current_gdbarch, frame, data, | |
513 | data->item_no, &data->highlight); | |
514 | ||
515 | if (data->highlight || was_hilighted) | |
c906108c | 516 | { |
10f59415 | 517 | tui_display_register (data, data_item_win_ptr); |
c906108c SS |
518 | } |
519 | } | |
520 | } | |
521 | } | |
55fb0713 | 522 | } |
c906108c | 523 | |
1cc6d956 MS |
524 | /* Display a register in a window. If hilite is TRUE, then the value |
525 | will be displayed in reverse video. */ | |
10f59415 SC |
526 | static void |
527 | tui_display_register (struct tui_data_element *data, | |
528 | struct tui_gen_win_info *win_info) | |
529 | { | |
530 | if (win_info->handle != (WINDOW *) NULL) | |
531 | { | |
532 | int i; | |
c906108c | 533 | |
10f59415 SC |
534 | if (data->highlight) |
535 | wstandout (win_info->handle); | |
536 | ||
537 | wmove (win_info->handle, 0, 0); | |
538 | for (i = 1; i < win_info->width; i++) | |
539 | waddch (win_info->handle, ' '); | |
540 | wmove (win_info->handle, 0, 0); | |
541 | if (data->content) | |
542 | waddstr (win_info->handle, data->content); | |
543 | ||
544 | if (data->highlight) | |
545 | wstandend (win_info->handle); | |
546 | tui_refresh_win (win_info); | |
547 | } | |
548 | } | |
549 | ||
550 | static void | |
551 | tui_reg_next_command (char *arg, int from_tty) | |
c906108c | 552 | { |
10f59415 SC |
553 | if (TUI_DATA_WIN != 0) |
554 | { | |
555 | struct reggroup *group | |
556 | = TUI_DATA_WIN->detail.data_display_info.current_group; | |
c906108c | 557 | |
10f59415 SC |
558 | group = reggroup_next (current_gdbarch, group); |
559 | if (group == 0) | |
560 | group = reggroup_next (current_gdbarch, 0); | |
561 | ||
562 | if (group) | |
563 | tui_show_registers (group); | |
564 | } | |
565 | } | |
566 | ||
567 | static void | |
568 | tui_reg_float_command (char *arg, int from_tty) | |
569 | { | |
570 | tui_show_registers (float_reggroup); | |
571 | } | |
c906108c | 572 | |
10f59415 SC |
573 | static void |
574 | tui_reg_general_command (char *arg, int from_tty) | |
575 | { | |
576 | tui_show_registers (general_reggroup); | |
577 | } | |
c906108c | 578 | |
10f59415 SC |
579 | static void |
580 | tui_reg_system_command (char *arg, int from_tty) | |
581 | { | |
582 | tui_show_registers (system_reggroup); | |
583 | } | |
584 | ||
585 | static struct cmd_list_element *tuireglist; | |
c906108c | 586 | |
10f59415 SC |
587 | static void |
588 | tui_reg_command (char *args, int from_tty) | |
589 | { | |
a3f17187 AC |
590 | printf_unfiltered (_("\"tui reg\" must be followed by the name of a " |
591 | "tui reg command.\n")); | |
10f59415 SC |
592 | help_list (tuireglist, "tui reg ", -1, gdb_stdout); |
593 | } | |
c906108c SS |
594 | |
595 | void | |
6ba8e26f | 596 | _initialize_tui_regs (void) |
c906108c | 597 | { |
10f59415 SC |
598 | struct cmd_list_element **tuicmd; |
599 | ||
600 | tuicmd = tui_get_cmd_list (); | |
601 | ||
602 | add_prefix_cmd ("reg", class_tui, tui_reg_command, | |
1bedd215 | 603 | _("TUI commands to control the register window."), |
10f59415 SC |
604 | &tuireglist, "tui reg ", 0, |
605 | tuicmd); | |
606 | ||
607 | add_cmd ("float", class_tui, tui_reg_float_command, | |
1a966eab | 608 | _("Display only floating point registers."), |
10f59415 SC |
609 | &tuireglist); |
610 | add_cmd ("general", class_tui, tui_reg_general_command, | |
1a966eab | 611 | _("Display only general registers."), |
10f59415 SC |
612 | &tuireglist); |
613 | add_cmd ("system", class_tui, tui_reg_system_command, | |
1a966eab | 614 | _("Display only system registers."), |
10f59415 SC |
615 | &tuireglist); |
616 | add_cmd ("next", class_tui, tui_reg_next_command, | |
1a966eab | 617 | _("Display next register group."), |
10f59415 SC |
618 | &tuireglist); |
619 | ||
41783295 | 620 | if (xdb_commands) |
c906108c | 621 | { |
10f59415 | 622 | add_com ("fr", class_tui, tui_reg_float_command, |
1bedd215 | 623 | _("Display only floating point registers\n")); |
10f59415 | 624 | add_com ("gr", class_tui, tui_reg_general_command, |
1bedd215 | 625 | _("Display only general registers\n")); |
10f59415 | 626 | add_com ("sr", class_tui, tui_reg_system_command, |
1bedd215 | 627 | _("Display only special registers\n")); |
6ba8e26f | 628 | add_com ("+r", class_tui, tui_scroll_regs_forward_command, |
1bedd215 | 629 | _("Scroll the registers window forward\n")); |
6ba8e26f | 630 | add_com ("-r", class_tui, tui_scroll_regs_backward_command, |
1bedd215 | 631 | _("Scroll the register window backward\n")); |
c906108c | 632 | } |
41783295 | 633 | } |
c906108c SS |
634 | |
635 | ||
636 | /***************************************** | |
637 | ** STATIC LOCAL FUNCTIONS ** | |
638 | ******************************************/ | |
639 | ||
c46cc7df | 640 | extern int pagination_enabled; |
c906108c | 641 | |
c46cc7df SC |
642 | static void |
643 | tui_restore_gdbout (void *ui) | |
644 | { | |
645 | ui_file_delete (gdb_stdout); | |
646 | gdb_stdout = (struct ui_file*) ui; | |
647 | pagination_enabled = 1; | |
648 | } | |
c906108c | 649 | |
10f59415 SC |
650 | /* Get the register from the frame and make a printable representation |
651 | of it in the data element. */ | |
c906108c | 652 | static void |
10f59415 SC |
653 | tui_register_format (struct gdbarch *gdbarch, struct frame_info *frame, |
654 | struct tui_data_element *data_element, int regnum) | |
c906108c | 655 | { |
d9fcf2fb | 656 | struct ui_file *stream; |
c46cc7df | 657 | struct ui_file *old_stdout; |
bc77de56 | 658 | const char *name; |
c46cc7df | 659 | struct cleanup *cleanups; |
10f59415 | 660 | char *p, *s; |
fea14702 | 661 | int pos; |
7b9ee6a8 | 662 | struct type *type = register_type (gdbarch, regnum); |
c906108c | 663 | |
10f59415 | 664 | name = gdbarch_register_name (gdbarch, regnum); |
c46cc7df SC |
665 | if (name == 0) |
666 | { | |
c46cc7df SC |
667 | return; |
668 | } | |
669 | ||
670 | pagination_enabled = 0; | |
671 | old_stdout = gdb_stdout; | |
10f59415 | 672 | stream = tui_sfileopen (256); |
c46cc7df SC |
673 | gdb_stdout = stream; |
674 | cleanups = make_cleanup (tui_restore_gdbout, (void*) old_stdout); | |
10f59415 | 675 | if (TYPE_VECTOR (type) != 0 && 0) |
fea14702 | 676 | { |
10c42a71 | 677 | gdb_byte buf[MAX_REGISTER_SIZE]; |
10f59415 SC |
678 | int len; |
679 | ||
680 | len = register_size (current_gdbarch, regnum); | |
681 | fprintf_filtered (stream, "%-14s ", name); | |
682 | get_frame_register (frame, regnum, buf); | |
683 | print_scalar_formatted (buf, type, 'f', len, stream); | |
fea14702 | 684 | } |
10f59415 | 685 | else |
fea14702 | 686 | { |
10f59415 SC |
687 | gdbarch_print_registers_info (current_gdbarch, stream, |
688 | frame, regnum, 1); | |
fea14702 | 689 | } |
10f59415 SC |
690 | |
691 | /* Save formatted output in the buffer. */ | |
692 | p = tui_file_get_strbuf (stream); | |
c46cc7df SC |
693 | |
694 | /* Remove the possible \n. */ | |
10f59415 SC |
695 | s = strrchr (p, '\n'); |
696 | if (s && s[1] == 0) | |
697 | *s = 0; | |
c46cc7df | 698 | |
10f59415 SC |
699 | xfree (data_element->content); |
700 | data_element->content = xstrdup (p); | |
c46cc7df SC |
701 | do_cleanups (cleanups); |
702 | } | |
c906108c | 703 | |
1cc6d956 MS |
704 | /* Get the register value from the given frame and format it for the |
705 | display. When changep is set, check if the new register value has | |
706 | changed with respect to the previous call. */ | |
22940a24 | 707 | static enum tui_status |
10f59415 SC |
708 | tui_get_register (struct gdbarch *gdbarch, struct frame_info *frame, |
709 | struct tui_data_element *data, int regnum, int *changedp) | |
c906108c | 710 | { |
22940a24 | 711 | enum tui_status ret = TUI_FAILURE; |
c906108c | 712 | |
10f59415 SC |
713 | if (changedp) |
714 | *changedp = FALSE; | |
c906108c SS |
715 | if (target_has_registers) |
716 | { | |
10c42a71 | 717 | gdb_byte buf[MAX_REGISTER_SIZE]; |
10f59415 | 718 | get_frame_register (frame, regnum, buf); |
10f59415 | 719 | |
9c5ea4d9 UW |
720 | if (changedp) |
721 | { | |
722 | int size = register_size (gdbarch, regnum); | |
723 | char *old = (char*) data->value; | |
724 | int i; | |
725 | ||
726 | for (i = 0; i < size; i++) | |
727 | if (buf[i] != old[i]) | |
728 | { | |
729 | *changedp = TRUE; | |
730 | old[i] = buf[i]; | |
731 | } | |
732 | } | |
733 | ||
734 | /* Reformat the data content if the value changed. */ | |
735 | if (changedp == 0 || *changedp == TRUE) | |
736 | tui_register_format (gdbarch, frame, data, regnum); | |
737 | ||
738 | ret = TUI_SUCCESS; | |
c906108c | 739 | } |
c906108c | 740 | return ret; |
6ba8e26f | 741 | } |
c906108c | 742 | |
c906108c | 743 | static void |
6ba8e26f | 744 | tui_scroll_regs_forward_command (char *arg, int from_tty) |
c906108c | 745 | { |
6d012f14 | 746 | tui_scroll (FORWARD_SCROLL, TUI_DATA_WIN, 1); |
e8b915dc | 747 | } |
c906108c SS |
748 | |
749 | ||
750 | static void | |
6ba8e26f | 751 | tui_scroll_regs_backward_command (char *arg, int from_tty) |
c906108c | 752 | { |
6d012f14 | 753 | tui_scroll (BACKWARD_SCROLL, TUI_DATA_WIN, 1); |
e8b915dc | 754 | } |