Commit | Line | Data |
---|---|---|
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 | ||
6ba8e26f | 117 | /* Answer the index of the first element in line_no. If line_no is past |
55fb0713 | 118 | 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 | |
10f59415 SC |
165 | /* Say that registers should be displayed, even if there is a problem. */ |
166 | display_info->display_regs = TRUE; | |
167 | ||
168 | if (target_has_registers && target_has_stack && target_has_memory) | |
c906108c | 169 | { |
10f59415 SC |
170 | ret = tui_show_register_group (current_gdbarch, group, |
171 | get_current_frame (), | |
172 | group == display_info->current_group); | |
c906108c SS |
173 | } |
174 | if (ret == TUI_FAILURE) | |
175 | { | |
10f59415 | 176 | display_info->current_group = 0; |
edae1ccf | 177 | tui_erase_data_content (NO_REGS_STRING); |
c906108c SS |
178 | } |
179 | else | |
180 | { | |
181 | int i; | |
182 | ||
183 | /* Clear all notation of changed values */ | |
10f59415 | 184 | for (i = 0; i < display_info->regs_content_count; i++) |
c906108c | 185 | { |
10f59415 SC |
186 | struct tui_gen_win_info *data_item_win; |
187 | struct tui_win_element *win; | |
c906108c | 188 | |
10f59415 SC |
189 | data_item_win = &display_info->regs_content[i] |
190 | ->which_element.data_window; | |
191 | win = (struct tui_win_element *) data_item_win->content[0]; | |
192 | win->which_element.data.highlight = FALSE; | |
c906108c | 193 | } |
10f59415 | 194 | display_info->current_group = group; |
edae1ccf | 195 | tui_display_all_data (); |
c906108c | 196 | } |
55fb0713 | 197 | } |
c906108c SS |
198 | |
199 | ||
10f59415 SC |
200 | /* Set the data window to display the registers of the register group |
201 | using the given frame. Values are refreshed only when refresh_values_only | |
202 | is TRUE. */ | |
203 | ||
204 | static enum tui_status | |
205 | tui_show_register_group (struct gdbarch *gdbarch, struct reggroup *group, | |
206 | struct frame_info *frame, int refresh_values_only) | |
207 | { | |
208 | enum tui_status ret = TUI_FAILURE; | |
209 | int nr_regs; | |
210 | int allocated_here = FALSE; | |
211 | int regnum, pos; | |
212 | char title[80]; | |
213 | struct tui_data_info *display_info = &TUI_DATA_WIN->detail.data_display_info; | |
214 | ||
215 | /* Make a new title showing which group we display. */ | |
216 | snprintf (title, sizeof (title) - 1, "Register group: %s", | |
217 | reggroup_name (group)); | |
218 | xfree (TUI_DATA_WIN->generic.title); | |
219 | TUI_DATA_WIN->generic.title = xstrdup (title); | |
220 | ||
221 | /* See how many registers must be displayed. */ | |
222 | nr_regs = 0; | |
f57d151a UW |
223 | for (regnum = 0; |
224 | regnum < gdbarch_num_regs (current_gdbarch) | |
225 | + gdbarch_num_pseudo_regs (current_gdbarch); | |
226 | regnum++) | |
10f59415 SC |
227 | { |
228 | /* Must be in the group and have a name. */ | |
229 | if (gdbarch_register_reggroup_p (gdbarch, regnum, group) | |
230 | && gdbarch_register_name (gdbarch, regnum) != 0) | |
231 | nr_regs++; | |
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 | ||
260 | /* Now set the register names and values */ | |
261 | pos = 0; | |
f57d151a UW |
262 | for (regnum = 0; |
263 | regnum < gdbarch_num_regs (current_gdbarch) | |
264 | + gdbarch_num_pseudo_regs (current_gdbarch); | |
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 | ||
271 | if (!gdbarch_register_reggroup_p (gdbarch, regnum, group)) | |
272 | continue; | |
273 | ||
274 | name = gdbarch_register_name (gdbarch, regnum); | |
275 | if (name == 0) | |
276 | continue; | |
277 | ||
278 | data_item_win = | |
279 | &display_info->regs_content[pos]->which_element.data_window; | |
280 | data = | |
281 | &((struct tui_win_element *) data_item_win->content[0])->which_element.data; | |
282 | if (data) | |
283 | { | |
284 | if (!refresh_values_only) | |
285 | { | |
286 | data->item_no = regnum; | |
287 | data->name = name; | |
288 | data->highlight = FALSE; | |
289 | } | |
290 | if (data->value == (void*) NULL) | |
291 | data->value = (void*) xmalloc (MAX_REGISTER_SIZE); | |
292 | ||
293 | tui_get_register (gdbarch, frame, data, regnum, 0); | |
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 | ||
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; |
4cfcaf21 | 319 | int j, value_chars_wide, 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 | ||
329 | data_item_win = &display_info->regs_content[i]->which_element.data_window; | |
330 | data = &((struct tui_win_element *) | |
331 | data_item_win->content[0])->which_element.data; | |
332 | len = 0; | |
333 | p = data->content; | |
334 | if (p != 0) | |
335 | while (*p) | |
336 | { | |
337 | if (*p++ == '\t') | |
338 | len = 8 * ((len / 8) + 1); | |
339 | else | |
340 | len++; | |
341 | } | |
342 | ||
343 | if (len > max_len) | |
344 | max_len = len; | |
345 | } | |
346 | item_win_width = max_len + 1; | |
347 | i = start_element_no; | |
348 | ||
349 | display_info->regs_column_count = | |
350 | (TUI_DATA_WIN->generic.width - 2) / item_win_width; | |
351 | if (display_info->regs_column_count == 0) | |
352 | display_info->regs_column_count = 1; | |
353 | item_win_width = | |
354 | (TUI_DATA_WIN->generic.width - 2) / display_info->regs_column_count; | |
355 | ||
c906108c | 356 | /* |
c5aa993b JM |
357 | ** Now create each data "sub" window, and write the display into it. |
358 | */ | |
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 | { |
6ba8e26f AC |
367 | struct tui_gen_win_info * data_item_win; |
368 | struct tui_data_element * data_element_ptr; | |
c906108c | 369 | |
c5aa993b | 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); | |
c906108c SS |
399 | i++; /* next register */ |
400 | } | |
6ba8e26f | 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; | |
c906108c | 427 | /* |
c5aa993b | 428 | ** If there is no other data displayed except registers, |
6ba8e26f | 429 | ** and the element_no causes us to scroll past the end of the |
c5aa993b JM |
430 | ** registers, adjust what element to really start the display at. |
431 | */ | |
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) |
c906108c | 455 | { /* |
6ba8e26f | 456 | ** If we must display regs (force_display is true), then make |
c5aa993b JM |
457 | ** sure that we don't display off the end of the registers. |
458 | */ | |
6ba8e26f | 459 | if (line_no >= tui_last_regs_line_no ()) |
c906108c | 460 | { |
55fb0713 | 461 | if ((line = tui_line_from_reg_element_no ( |
6d012f14 | 462 | TUI_DATA_WIN->detail.data_display_info.regs_content_count - 1)) < 0) |
c906108c SS |
463 | line = 0; |
464 | } | |
465 | else | |
6ba8e26f | 466 | line = line_no; |
c906108c SS |
467 | } |
468 | else | |
6ba8e26f | 469 | line = line_no; |
c906108c | 470 | |
6ba8e26f AC |
471 | element_no = tui_first_reg_element_no_inline (line); |
472 | if (element_no < TUI_DATA_WIN->detail.data_display_info.regs_content_count) | |
473 | tui_display_reg_element_at_line (element_no, line); | |
c906108c SS |
474 | else |
475 | line = (-1); | |
476 | ||
477 | return line; | |
478 | } | |
479 | ||
480 | return (-1); /* nothing was displayed */ | |
55fb0713 | 481 | } |
c906108c SS |
482 | |
483 | ||
55fb0713 AC |
484 | /* This function check all displayed registers for changes in values, |
485 | given a particular frame. If the values have changed, they are | |
486 | updated with the new value and highlighted. */ | |
c906108c | 487 | void |
55fb0713 | 488 | tui_check_register_values (struct frame_info *frame) |
c906108c | 489 | { |
6d012f14 | 490 | if (TUI_DATA_WIN != NULL && TUI_DATA_WIN->generic.is_visible) |
c906108c | 491 | { |
10f59415 SC |
492 | struct tui_data_info *display_info |
493 | = &TUI_DATA_WIN->detail.data_display_info; | |
494 | ||
495 | if (display_info->regs_content_count <= 0 && display_info->display_regs) | |
496 | tui_show_registers (display_info->current_group); | |
c906108c SS |
497 | else |
498 | { | |
499 | int i, j; | |
c906108c | 500 | |
10f59415 | 501 | for (i = 0; (i < display_info->regs_content_count); i++) |
c906108c | 502 | { |
10f59415 SC |
503 | struct tui_data_element *data; |
504 | struct tui_gen_win_info *data_item_win_ptr; | |
6ba8e26f | 505 | int was_hilighted; |
c906108c | 506 | |
10f59415 SC |
507 | data_item_win_ptr = &display_info->regs_content[i]-> |
508 | which_element.data_window; | |
509 | data = &((struct tui_win_element *) | |
510 | data_item_win_ptr->content[0])->which_element.data; | |
511 | was_hilighted = data->highlight; | |
512 | ||
513 | tui_get_register (current_gdbarch, frame, data, | |
514 | data->item_no, &data->highlight); | |
515 | ||
516 | if (data->highlight || was_hilighted) | |
c906108c | 517 | { |
10f59415 | 518 | tui_display_register (data, data_item_win_ptr); |
c906108c SS |
519 | } |
520 | } | |
521 | } | |
522 | } | |
55fb0713 | 523 | } |
c906108c | 524 | |
10f59415 SC |
525 | /* Display a register in a window. If hilite is TRUE, |
526 | then the value will be displayed in reverse video */ | |
527 | static void | |
528 | tui_display_register (struct tui_data_element *data, | |
529 | struct tui_gen_win_info *win_info) | |
530 | { | |
531 | if (win_info->handle != (WINDOW *) NULL) | |
532 | { | |
533 | int i; | |
c906108c | 534 | |
10f59415 SC |
535 | if (data->highlight) |
536 | wstandout (win_info->handle); | |
537 | ||
538 | wmove (win_info->handle, 0, 0); | |
539 | for (i = 1; i < win_info->width; i++) | |
540 | waddch (win_info->handle, ' '); | |
541 | wmove (win_info->handle, 0, 0); | |
542 | if (data->content) | |
543 | waddstr (win_info->handle, data->content); | |
544 | ||
545 | if (data->highlight) | |
546 | wstandend (win_info->handle); | |
547 | tui_refresh_win (win_info); | |
548 | } | |
549 | } | |
550 | ||
551 | static void | |
552 | tui_reg_next_command (char *arg, int from_tty) | |
c906108c | 553 | { |
10f59415 SC |
554 | if (TUI_DATA_WIN != 0) |
555 | { | |
556 | struct reggroup *group | |
557 | = TUI_DATA_WIN->detail.data_display_info.current_group; | |
c906108c | 558 | |
10f59415 SC |
559 | group = reggroup_next (current_gdbarch, group); |
560 | if (group == 0) | |
561 | group = reggroup_next (current_gdbarch, 0); | |
562 | ||
563 | if (group) | |
564 | tui_show_registers (group); | |
565 | } | |
566 | } | |
567 | ||
568 | static void | |
569 | tui_reg_float_command (char *arg, int from_tty) | |
570 | { | |
571 | tui_show_registers (float_reggroup); | |
572 | } | |
c906108c | 573 | |
10f59415 SC |
574 | static void |
575 | tui_reg_general_command (char *arg, int from_tty) | |
576 | { | |
577 | tui_show_registers (general_reggroup); | |
578 | } | |
c906108c | 579 | |
10f59415 SC |
580 | static void |
581 | tui_reg_system_command (char *arg, int from_tty) | |
582 | { | |
583 | tui_show_registers (system_reggroup); | |
584 | } | |
585 | ||
586 | static struct cmd_list_element *tuireglist; | |
c906108c | 587 | |
10f59415 SC |
588 | static void |
589 | tui_reg_command (char *args, int from_tty) | |
590 | { | |
a3f17187 AC |
591 | printf_unfiltered (_("\"tui reg\" must be followed by the name of a " |
592 | "tui reg command.\n")); | |
10f59415 SC |
593 | help_list (tuireglist, "tui reg ", -1, gdb_stdout); |
594 | } | |
c906108c SS |
595 | |
596 | void | |
6ba8e26f | 597 | _initialize_tui_regs (void) |
c906108c | 598 | { |
10f59415 SC |
599 | struct cmd_list_element **tuicmd; |
600 | ||
601 | tuicmd = tui_get_cmd_list (); | |
602 | ||
603 | add_prefix_cmd ("reg", class_tui, tui_reg_command, | |
1bedd215 | 604 | _("TUI commands to control the register window."), |
10f59415 SC |
605 | &tuireglist, "tui reg ", 0, |
606 | tuicmd); | |
607 | ||
608 | add_cmd ("float", class_tui, tui_reg_float_command, | |
1a966eab | 609 | _("Display only floating point registers."), |
10f59415 SC |
610 | &tuireglist); |
611 | add_cmd ("general", class_tui, tui_reg_general_command, | |
1a966eab | 612 | _("Display only general registers."), |
10f59415 SC |
613 | &tuireglist); |
614 | add_cmd ("system", class_tui, tui_reg_system_command, | |
1a966eab | 615 | _("Display only system registers."), |
10f59415 SC |
616 | &tuireglist); |
617 | add_cmd ("next", class_tui, tui_reg_next_command, | |
1a966eab | 618 | _("Display next register group."), |
10f59415 SC |
619 | &tuireglist); |
620 | ||
41783295 | 621 | if (xdb_commands) |
c906108c | 622 | { |
10f59415 | 623 | add_com ("fr", class_tui, tui_reg_float_command, |
1bedd215 | 624 | _("Display only floating point registers\n")); |
10f59415 | 625 | add_com ("gr", class_tui, tui_reg_general_command, |
1bedd215 | 626 | _("Display only general registers\n")); |
10f59415 | 627 | add_com ("sr", class_tui, tui_reg_system_command, |
1bedd215 | 628 | _("Display only special registers\n")); |
6ba8e26f | 629 | add_com ("+r", class_tui, tui_scroll_regs_forward_command, |
1bedd215 | 630 | _("Scroll the registers window forward\n")); |
6ba8e26f | 631 | add_com ("-r", class_tui, tui_scroll_regs_backward_command, |
1bedd215 | 632 | _("Scroll the register window backward\n")); |
c906108c | 633 | } |
41783295 | 634 | } |
c906108c SS |
635 | |
636 | ||
637 | /***************************************** | |
638 | ** STATIC LOCAL FUNCTIONS ** | |
639 | ******************************************/ | |
640 | ||
c46cc7df | 641 | extern int pagination_enabled; |
c906108c | 642 | |
c46cc7df SC |
643 | static void |
644 | tui_restore_gdbout (void *ui) | |
645 | { | |
646 | ui_file_delete (gdb_stdout); | |
647 | gdb_stdout = (struct ui_file*) ui; | |
648 | pagination_enabled = 1; | |
649 | } | |
c906108c | 650 | |
10f59415 SC |
651 | /* Get the register from the frame and make a printable representation |
652 | of it in the data element. */ | |
c906108c | 653 | static void |
10f59415 SC |
654 | tui_register_format (struct gdbarch *gdbarch, struct frame_info *frame, |
655 | struct tui_data_element *data_element, int regnum) | |
c906108c | 656 | { |
d9fcf2fb | 657 | struct ui_file *stream; |
c46cc7df | 658 | struct ui_file *old_stdout; |
bc77de56 | 659 | const char *name; |
c46cc7df | 660 | struct cleanup *cleanups; |
10f59415 | 661 | char *p, *s; |
fea14702 | 662 | int pos; |
7b9ee6a8 | 663 | struct type *type = register_type (gdbarch, regnum); |
c906108c | 664 | |
10f59415 | 665 | name = gdbarch_register_name (gdbarch, regnum); |
c46cc7df SC |
666 | if (name == 0) |
667 | { | |
c46cc7df SC |
668 | return; |
669 | } | |
670 | ||
671 | pagination_enabled = 0; | |
672 | old_stdout = gdb_stdout; | |
10f59415 | 673 | stream = tui_sfileopen (256); |
c46cc7df SC |
674 | gdb_stdout = stream; |
675 | cleanups = make_cleanup (tui_restore_gdbout, (void*) old_stdout); | |
10f59415 | 676 | if (TYPE_VECTOR (type) != 0 && 0) |
fea14702 | 677 | { |
10c42a71 | 678 | gdb_byte buf[MAX_REGISTER_SIZE]; |
10f59415 SC |
679 | int len; |
680 | ||
681 | len = register_size (current_gdbarch, regnum); | |
682 | fprintf_filtered (stream, "%-14s ", name); | |
683 | get_frame_register (frame, regnum, buf); | |
684 | print_scalar_formatted (buf, type, 'f', len, stream); | |
fea14702 | 685 | } |
10f59415 | 686 | else |
fea14702 | 687 | { |
10f59415 SC |
688 | gdbarch_print_registers_info (current_gdbarch, stream, |
689 | frame, regnum, 1); | |
fea14702 | 690 | } |
10f59415 SC |
691 | |
692 | /* Save formatted output in the buffer. */ | |
693 | p = tui_file_get_strbuf (stream); | |
c46cc7df SC |
694 | |
695 | /* Remove the possible \n. */ | |
10f59415 SC |
696 | s = strrchr (p, '\n'); |
697 | if (s && s[1] == 0) | |
698 | *s = 0; | |
c46cc7df | 699 | |
10f59415 SC |
700 | xfree (data_element->content); |
701 | data_element->content = xstrdup (p); | |
c46cc7df SC |
702 | do_cleanups (cleanups); |
703 | } | |
c906108c | 704 | |
10f59415 SC |
705 | /* Get the register value from the given frame and format it for |
706 | the display. When changep is set, check if the new register value | |
707 | has changed with respect to the previous call. */ | |
22940a24 | 708 | static enum tui_status |
10f59415 SC |
709 | tui_get_register (struct gdbarch *gdbarch, struct frame_info *frame, |
710 | struct tui_data_element *data, int regnum, int *changedp) | |
c906108c | 711 | { |
22940a24 | 712 | enum tui_status ret = TUI_FAILURE; |
c906108c | 713 | |
10f59415 SC |
714 | if (changedp) |
715 | *changedp = FALSE; | |
c906108c SS |
716 | if (target_has_registers) |
717 | { | |
10c42a71 | 718 | gdb_byte buf[MAX_REGISTER_SIZE]; |
10f59415 | 719 | get_frame_register (frame, regnum, buf); |
10f59415 | 720 | |
9c5ea4d9 UW |
721 | if (changedp) |
722 | { | |
723 | int size = register_size (gdbarch, regnum); | |
724 | char *old = (char*) data->value; | |
725 | int i; | |
726 | ||
727 | for (i = 0; i < size; i++) | |
728 | if (buf[i] != old[i]) | |
729 | { | |
730 | *changedp = TRUE; | |
731 | old[i] = buf[i]; | |
732 | } | |
733 | } | |
734 | ||
735 | /* Reformat the data content if the value changed. */ | |
736 | if (changedp == 0 || *changedp == TRUE) | |
737 | tui_register_format (gdbarch, frame, data, regnum); | |
738 | ||
739 | ret = TUI_SUCCESS; | |
c906108c | 740 | } |
c906108c | 741 | return ret; |
6ba8e26f | 742 | } |
c906108c | 743 | |
c906108c | 744 | static void |
6ba8e26f | 745 | tui_scroll_regs_forward_command (char *arg, int from_tty) |
c906108c | 746 | { |
6d012f14 | 747 | tui_scroll (FORWARD_SCROLL, TUI_DATA_WIN, 1); |
e8b915dc | 748 | } |
c906108c SS |
749 | |
750 | ||
751 | static void | |
6ba8e26f | 752 | tui_scroll_regs_backward_command (char *arg, int from_tty) |
c906108c | 753 | { |
6d012f14 | 754 | tui_scroll (BACKWARD_SCROLL, TUI_DATA_WIN, 1); |
e8b915dc | 755 | } |