Commit | Line | Data |
---|---|---|
f377b406 | 1 | /* TUI display registers in window. |
f33c6cbf | 2 | |
55fb0713 AC |
3 | Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software |
4 | 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 | |
22 | Foundation, Inc., 59 Temple Place - Suite 330, | |
23 | Boston, MA 02111-1307, 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; | |
223 | for (regnum = 0; regnum < NUM_REGS + NUM_PSEUDO_REGS; regnum++) | |
224 | { | |
225 | /* Must be in the group and have a name. */ | |
226 | if (gdbarch_register_reggroup_p (gdbarch, regnum, group) | |
227 | && gdbarch_register_name (gdbarch, regnum) != 0) | |
228 | nr_regs++; | |
229 | } | |
230 | ||
231 | if (display_info->regs_content_count > 0 && !refresh_values_only) | |
232 | { | |
233 | tui_free_data_content (display_info->regs_content, | |
234 | display_info->regs_content_count); | |
235 | display_info->regs_content_count = 0; | |
236 | } | |
237 | ||
238 | if (display_info->regs_content_count <= 0) | |
239 | { | |
240 | display_info->regs_content = tui_alloc_content (nr_regs, DATA_WIN); | |
241 | allocated_here = TRUE; | |
242 | refresh_values_only = FALSE; | |
243 | } | |
244 | ||
245 | if (display_info->regs_content != (tui_win_content) NULL) | |
246 | { | |
247 | if (!refresh_values_only || allocated_here) | |
248 | { | |
249 | TUI_DATA_WIN->generic.content = (void*) NULL; | |
250 | TUI_DATA_WIN->generic.content_size = 0; | |
251 | tui_add_content_elements (&TUI_DATA_WIN->generic, nr_regs); | |
252 | display_info->regs_content | |
253 | = (tui_win_content) TUI_DATA_WIN->generic.content; | |
254 | display_info->regs_content_count = nr_regs; | |
255 | } | |
256 | ||
257 | /* Now set the register names and values */ | |
258 | pos = 0; | |
259 | for (regnum = 0; regnum < NUM_REGS + NUM_PSEUDO_REGS; regnum++) | |
260 | { | |
261 | struct tui_gen_win_info *data_item_win; | |
262 | struct tui_data_element *data; | |
263 | const char *name; | |
264 | ||
265 | if (!gdbarch_register_reggroup_p (gdbarch, regnum, group)) | |
266 | continue; | |
267 | ||
268 | name = gdbarch_register_name (gdbarch, regnum); | |
269 | if (name == 0) | |
270 | continue; | |
271 | ||
272 | data_item_win = | |
273 | &display_info->regs_content[pos]->which_element.data_window; | |
274 | data = | |
275 | &((struct tui_win_element *) data_item_win->content[0])->which_element.data; | |
276 | if (data) | |
277 | { | |
278 | if (!refresh_values_only) | |
279 | { | |
280 | data->item_no = regnum; | |
281 | data->name = name; | |
282 | data->highlight = FALSE; | |
283 | } | |
284 | if (data->value == (void*) NULL) | |
285 | data->value = (void*) xmalloc (MAX_REGISTER_SIZE); | |
286 | ||
287 | tui_get_register (gdbarch, frame, data, regnum, 0); | |
288 | } | |
289 | pos++; | |
290 | } | |
291 | ||
292 | TUI_DATA_WIN->generic.content_size = | |
293 | display_info->regs_content_count + display_info->data_content_count; | |
294 | ret = TUI_SUCCESS; | |
295 | } | |
296 | ||
297 | return ret; | |
298 | } | |
299 | ||
55fb0713 | 300 | /* Function to display the registers in the content from |
6ba8e26f | 301 | 'start_element_no' until the end of the register content or the end |
55fb0713 AC |
302 | of the display height. No checking for displaying past the end of |
303 | the registers is done here. */ | |
c906108c | 304 | void |
6ba8e26f | 305 | tui_display_registers_from (int start_element_no) |
c906108c | 306 | { |
10f59415 SC |
307 | struct tui_data_info *display_info = &TUI_DATA_WIN->detail.data_display_info; |
308 | ||
309 | if (display_info->regs_content != (tui_win_content) NULL && | |
310 | display_info->regs_content_count > 0) | |
c906108c | 311 | { |
d02c80cd | 312 | int i = start_element_no; |
4cfcaf21 | 313 | int j, value_chars_wide, item_win_width, cur_y; |
10f59415 SC |
314 | |
315 | int max_len = 0; | |
316 | for (i = 0; i < display_info->regs_content_count; i++) | |
317 | { | |
318 | struct tui_data_element *data; | |
319 | struct tui_gen_win_info *data_item_win; | |
320 | char *p; | |
321 | int len; | |
322 | ||
323 | data_item_win = &display_info->regs_content[i]->which_element.data_window; | |
324 | data = &((struct tui_win_element *) | |
325 | data_item_win->content[0])->which_element.data; | |
326 | len = 0; | |
327 | p = data->content; | |
328 | if (p != 0) | |
329 | while (*p) | |
330 | { | |
331 | if (*p++ == '\t') | |
332 | len = 8 * ((len / 8) + 1); | |
333 | else | |
334 | len++; | |
335 | } | |
336 | ||
337 | if (len > max_len) | |
338 | max_len = len; | |
339 | } | |
340 | item_win_width = max_len + 1; | |
341 | i = start_element_no; | |
342 | ||
343 | display_info->regs_column_count = | |
344 | (TUI_DATA_WIN->generic.width - 2) / item_win_width; | |
345 | if (display_info->regs_column_count == 0) | |
346 | display_info->regs_column_count = 1; | |
347 | item_win_width = | |
348 | (TUI_DATA_WIN->generic.width - 2) / display_info->regs_column_count; | |
349 | ||
c906108c | 350 | /* |
c5aa993b JM |
351 | ** Now create each data "sub" window, and write the display into it. |
352 | */ | |
6ba8e26f | 353 | cur_y = 1; |
10f59415 | 354 | while (i < display_info->regs_content_count && |
6ba8e26f | 355 | cur_y <= TUI_DATA_WIN->generic.viewport_height) |
c906108c SS |
356 | { |
357 | for (j = 0; | |
10f59415 SC |
358 | (j < display_info->regs_column_count && |
359 | i < display_info->regs_content_count); j++) | |
c906108c | 360 | { |
6ba8e26f AC |
361 | struct tui_gen_win_info * data_item_win; |
362 | struct tui_data_element * data_element_ptr; | |
c906108c | 363 | |
c5aa993b | 364 | /* create the window if necessary */ |
10f59415 SC |
365 | data_item_win = &display_info->regs_content[i] |
366 | ->which_element.data_window; | |
6ba8e26f AC |
367 | data_element_ptr = &((struct tui_win_element *) |
368 | data_item_win->content[0])->which_element.data; | |
10f59415 SC |
369 | if (data_item_win->handle != (WINDOW*) NULL |
370 | && (data_item_win->height != 1 | |
371 | || data_item_win->width != item_win_width | |
372 | || data_item_win->origin.x != (item_win_width * j) + 1 | |
373 | || data_item_win->origin.y != cur_y)) | |
374 | { | |
375 | tui_delete_win (data_item_win->handle); | |
376 | data_item_win->handle = 0; | |
377 | } | |
378 | ||
6ba8e26f | 379 | if (data_item_win->handle == (WINDOW *) NULL) |
c906108c | 380 | { |
6ba8e26f | 381 | data_item_win->height = 1; |
10f59415 | 382 | data_item_win->width = item_win_width; |
6ba8e26f AC |
383 | data_item_win->origin.x = (item_win_width * j) + 1; |
384 | data_item_win->origin.y = cur_y; | |
385 | tui_make_window (data_item_win, DONT_BOX_WINDOW); | |
386 | scrollok (data_item_win->handle, FALSE); | |
c906108c | 387 | } |
6ba8e26f | 388 | touchwin (data_item_win->handle); |
fea14702 | 389 | |
10f59415 SC |
390 | /* Get the printable representation of the register |
391 | and display it. */ | |
392 | tui_display_register (data_element_ptr, data_item_win); | |
c906108c SS |
393 | i++; /* next register */ |
394 | } | |
6ba8e26f | 395 | cur_y++; /* next row; */ |
c906108c SS |
396 | } |
397 | } | |
55fb0713 | 398 | } |
c906108c SS |
399 | |
400 | ||
6ba8e26f AC |
401 | /* Function to display the registers in the content from |
402 | 'start_element_no' on 'start_line_no' until the end of the register | |
403 | content or the end of the display height. This function checks | |
404 | that we won't display off the end of the register display. */ | |
c906108c | 405 | void |
6ba8e26f | 406 | tui_display_reg_element_at_line (int start_element_no, int start_line_no) |
c906108c | 407 | { |
6d012f14 AC |
408 | if (TUI_DATA_WIN->detail.data_display_info.regs_content != (tui_win_content) NULL && |
409 | TUI_DATA_WIN->detail.data_display_info.regs_content_count > 0) | |
c906108c | 410 | { |
d02c80cd | 411 | int element_no = start_element_no; |
c906108c | 412 | |
6ba8e26f | 413 | if (start_element_no != 0 && start_line_no != 0) |
c906108c | 414 | { |
d02c80cd | 415 | int last_line_no, first_line_on_last_page; |
c906108c | 416 | |
6ba8e26f AC |
417 | last_line_no = tui_last_regs_line_no (); |
418 | first_line_on_last_page = last_line_no - (TUI_DATA_WIN->generic.height - 2); | |
419 | if (first_line_on_last_page < 0) | |
420 | first_line_on_last_page = 0; | |
c906108c | 421 | /* |
c5aa993b | 422 | ** If there is no other data displayed except registers, |
6ba8e26f | 423 | ** and the element_no causes us to scroll past the end of the |
c5aa993b JM |
424 | ** registers, adjust what element to really start the display at. |
425 | */ | |
6d012f14 | 426 | if (TUI_DATA_WIN->detail.data_display_info.data_content_count <= 0 && |
6ba8e26f AC |
427 | start_line_no > first_line_on_last_page) |
428 | element_no = tui_first_reg_element_no_inline (first_line_on_last_page); | |
c906108c | 429 | } |
6ba8e26f | 430 | tui_display_registers_from (element_no); |
c906108c | 431 | } |
6ba8e26f | 432 | } |
c906108c SS |
433 | |
434 | ||
435 | ||
6ba8e26f | 436 | /* Function to display the registers starting at line line_no in the |
55fb0713 AC |
437 | data window. Answers the line number that the display actually |
438 | started from. If nothing is displayed (-1) is returned. */ | |
c906108c | 439 | int |
6ba8e26f | 440 | tui_display_registers_from_line (int line_no, int force_display) |
c906108c | 441 | { |
6d012f14 | 442 | if (TUI_DATA_WIN->detail.data_display_info.regs_content_count > 0) |
c906108c | 443 | { |
6ba8e26f | 444 | int line, element_no; |
c906108c | 445 | |
6ba8e26f | 446 | if (line_no < 0) |
c906108c | 447 | line = 0; |
6ba8e26f | 448 | else if (force_display) |
c906108c | 449 | { /* |
6ba8e26f | 450 | ** If we must display regs (force_display is true), then make |
c5aa993b JM |
451 | ** sure that we don't display off the end of the registers. |
452 | */ | |
6ba8e26f | 453 | if (line_no >= tui_last_regs_line_no ()) |
c906108c | 454 | { |
55fb0713 | 455 | if ((line = tui_line_from_reg_element_no ( |
6d012f14 | 456 | TUI_DATA_WIN->detail.data_display_info.regs_content_count - 1)) < 0) |
c906108c SS |
457 | line = 0; |
458 | } | |
459 | else | |
6ba8e26f | 460 | line = line_no; |
c906108c SS |
461 | } |
462 | else | |
6ba8e26f | 463 | line = line_no; |
c906108c | 464 | |
6ba8e26f AC |
465 | element_no = tui_first_reg_element_no_inline (line); |
466 | if (element_no < TUI_DATA_WIN->detail.data_display_info.regs_content_count) | |
467 | tui_display_reg_element_at_line (element_no, line); | |
c906108c SS |
468 | else |
469 | line = (-1); | |
470 | ||
471 | return line; | |
472 | } | |
473 | ||
474 | return (-1); /* nothing was displayed */ | |
55fb0713 | 475 | } |
c906108c SS |
476 | |
477 | ||
55fb0713 AC |
478 | /* This function check all displayed registers for changes in values, |
479 | given a particular frame. If the values have changed, they are | |
480 | updated with the new value and highlighted. */ | |
c906108c | 481 | void |
55fb0713 | 482 | tui_check_register_values (struct frame_info *frame) |
c906108c | 483 | { |
6d012f14 | 484 | if (TUI_DATA_WIN != NULL && TUI_DATA_WIN->generic.is_visible) |
c906108c | 485 | { |
10f59415 SC |
486 | struct tui_data_info *display_info |
487 | = &TUI_DATA_WIN->detail.data_display_info; | |
488 | ||
489 | if (display_info->regs_content_count <= 0 && display_info->display_regs) | |
490 | tui_show_registers (display_info->current_group); | |
c906108c SS |
491 | else |
492 | { | |
493 | int i, j; | |
c906108c | 494 | |
10f59415 | 495 | for (i = 0; (i < display_info->regs_content_count); i++) |
c906108c | 496 | { |
10f59415 SC |
497 | struct tui_data_element *data; |
498 | struct tui_gen_win_info *data_item_win_ptr; | |
6ba8e26f | 499 | int was_hilighted; |
c906108c | 500 | |
10f59415 SC |
501 | data_item_win_ptr = &display_info->regs_content[i]-> |
502 | which_element.data_window; | |
503 | data = &((struct tui_win_element *) | |
504 | data_item_win_ptr->content[0])->which_element.data; | |
505 | was_hilighted = data->highlight; | |
506 | ||
507 | tui_get_register (current_gdbarch, frame, data, | |
508 | data->item_no, &data->highlight); | |
509 | ||
510 | if (data->highlight || was_hilighted) | |
c906108c | 511 | { |
10f59415 | 512 | tui_display_register (data, data_item_win_ptr); |
c906108c SS |
513 | } |
514 | } | |
515 | } | |
516 | } | |
55fb0713 | 517 | } |
c906108c | 518 | |
10f59415 SC |
519 | /* Display a register in a window. If hilite is TRUE, |
520 | then the value will be displayed in reverse video */ | |
521 | static void | |
522 | tui_display_register (struct tui_data_element *data, | |
523 | struct tui_gen_win_info *win_info) | |
524 | { | |
525 | if (win_info->handle != (WINDOW *) NULL) | |
526 | { | |
527 | int i; | |
c906108c | 528 | |
10f59415 SC |
529 | if (data->highlight) |
530 | wstandout (win_info->handle); | |
531 | ||
532 | wmove (win_info->handle, 0, 0); | |
533 | for (i = 1; i < win_info->width; i++) | |
534 | waddch (win_info->handle, ' '); | |
535 | wmove (win_info->handle, 0, 0); | |
536 | if (data->content) | |
537 | waddstr (win_info->handle, data->content); | |
538 | ||
539 | if (data->highlight) | |
540 | wstandend (win_info->handle); | |
541 | tui_refresh_win (win_info); | |
542 | } | |
543 | } | |
544 | ||
545 | static void | |
546 | tui_reg_next_command (char *arg, int from_tty) | |
c906108c | 547 | { |
10f59415 SC |
548 | if (TUI_DATA_WIN != 0) |
549 | { | |
550 | struct reggroup *group | |
551 | = TUI_DATA_WIN->detail.data_display_info.current_group; | |
c906108c | 552 | |
10f59415 SC |
553 | group = reggroup_next (current_gdbarch, group); |
554 | if (group == 0) | |
555 | group = reggroup_next (current_gdbarch, 0); | |
556 | ||
557 | if (group) | |
558 | tui_show_registers (group); | |
559 | } | |
560 | } | |
561 | ||
562 | static void | |
563 | tui_reg_float_command (char *arg, int from_tty) | |
564 | { | |
565 | tui_show_registers (float_reggroup); | |
566 | } | |
c906108c | 567 | |
10f59415 SC |
568 | static void |
569 | tui_reg_general_command (char *arg, int from_tty) | |
570 | { | |
571 | tui_show_registers (general_reggroup); | |
572 | } | |
c906108c | 573 | |
10f59415 SC |
574 | static void |
575 | tui_reg_system_command (char *arg, int from_tty) | |
576 | { | |
577 | tui_show_registers (system_reggroup); | |
578 | } | |
579 | ||
580 | static struct cmd_list_element *tuireglist; | |
c906108c | 581 | |
10f59415 SC |
582 | static void |
583 | tui_reg_command (char *args, int from_tty) | |
584 | { | |
a3f17187 AC |
585 | printf_unfiltered (_("\"tui reg\" must be followed by the name of a " |
586 | "tui reg command.\n")); | |
10f59415 SC |
587 | help_list (tuireglist, "tui reg ", -1, gdb_stdout); |
588 | } | |
c906108c SS |
589 | |
590 | void | |
6ba8e26f | 591 | _initialize_tui_regs (void) |
c906108c | 592 | { |
10f59415 SC |
593 | struct cmd_list_element **tuicmd; |
594 | ||
595 | tuicmd = tui_get_cmd_list (); | |
596 | ||
597 | add_prefix_cmd ("reg", class_tui, tui_reg_command, | |
1bedd215 | 598 | _("TUI commands to control the register window."), |
10f59415 SC |
599 | &tuireglist, "tui reg ", 0, |
600 | tuicmd); | |
601 | ||
602 | add_cmd ("float", class_tui, tui_reg_float_command, | |
1a966eab | 603 | _("Display only floating point registers."), |
10f59415 SC |
604 | &tuireglist); |
605 | add_cmd ("general", class_tui, tui_reg_general_command, | |
1a966eab | 606 | _("Display only general registers."), |
10f59415 SC |
607 | &tuireglist); |
608 | add_cmd ("system", class_tui, tui_reg_system_command, | |
1a966eab | 609 | _("Display only system registers."), |
10f59415 SC |
610 | &tuireglist); |
611 | add_cmd ("next", class_tui, tui_reg_next_command, | |
1a966eab | 612 | _("Display next register group."), |
10f59415 SC |
613 | &tuireglist); |
614 | ||
41783295 | 615 | if (xdb_commands) |
c906108c | 616 | { |
10f59415 | 617 | add_com ("fr", class_tui, tui_reg_float_command, |
1bedd215 | 618 | _("Display only floating point registers\n")); |
10f59415 | 619 | add_com ("gr", class_tui, tui_reg_general_command, |
1bedd215 | 620 | _("Display only general registers\n")); |
10f59415 | 621 | add_com ("sr", class_tui, tui_reg_system_command, |
1bedd215 | 622 | _("Display only special registers\n")); |
6ba8e26f | 623 | add_com ("+r", class_tui, tui_scroll_regs_forward_command, |
1bedd215 | 624 | _("Scroll the registers window forward\n")); |
6ba8e26f | 625 | add_com ("-r", class_tui, tui_scroll_regs_backward_command, |
1bedd215 | 626 | _("Scroll the register window backward\n")); |
c906108c | 627 | } |
41783295 | 628 | } |
c906108c SS |
629 | |
630 | ||
631 | /***************************************** | |
632 | ** STATIC LOCAL FUNCTIONS ** | |
633 | ******************************************/ | |
634 | ||
c46cc7df | 635 | extern int pagination_enabled; |
c906108c | 636 | |
c46cc7df SC |
637 | static void |
638 | tui_restore_gdbout (void *ui) | |
639 | { | |
640 | ui_file_delete (gdb_stdout); | |
641 | gdb_stdout = (struct ui_file*) ui; | |
642 | pagination_enabled = 1; | |
643 | } | |
c906108c | 644 | |
10f59415 SC |
645 | /* Get the register from the frame and make a printable representation |
646 | of it in the data element. */ | |
c906108c | 647 | static void |
10f59415 SC |
648 | tui_register_format (struct gdbarch *gdbarch, struct frame_info *frame, |
649 | struct tui_data_element *data_element, int regnum) | |
c906108c | 650 | { |
d9fcf2fb | 651 | struct ui_file *stream; |
c46cc7df | 652 | struct ui_file *old_stdout; |
bc77de56 | 653 | const char *name; |
c46cc7df | 654 | struct cleanup *cleanups; |
10f59415 | 655 | char *p, *s; |
fea14702 | 656 | int pos; |
10f59415 | 657 | struct type *type = gdbarch_register_type (gdbarch, regnum); |
c906108c | 658 | |
10f59415 | 659 | name = gdbarch_register_name (gdbarch, regnum); |
c46cc7df SC |
660 | if (name == 0) |
661 | { | |
c46cc7df SC |
662 | return; |
663 | } | |
664 | ||
665 | pagination_enabled = 0; | |
666 | old_stdout = gdb_stdout; | |
10f59415 | 667 | stream = tui_sfileopen (256); |
c46cc7df SC |
668 | gdb_stdout = stream; |
669 | cleanups = make_cleanup (tui_restore_gdbout, (void*) old_stdout); | |
10f59415 | 670 | if (TYPE_VECTOR (type) != 0 && 0) |
fea14702 | 671 | { |
10c42a71 | 672 | gdb_byte buf[MAX_REGISTER_SIZE]; |
10f59415 SC |
673 | int len; |
674 | ||
675 | len = register_size (current_gdbarch, regnum); | |
676 | fprintf_filtered (stream, "%-14s ", name); | |
677 | get_frame_register (frame, regnum, buf); | |
678 | print_scalar_formatted (buf, type, 'f', len, stream); | |
fea14702 | 679 | } |
10f59415 | 680 | else |
fea14702 | 681 | { |
10f59415 SC |
682 | gdbarch_print_registers_info (current_gdbarch, stream, |
683 | frame, regnum, 1); | |
fea14702 | 684 | } |
10f59415 SC |
685 | |
686 | /* Save formatted output in the buffer. */ | |
687 | p = tui_file_get_strbuf (stream); | |
c46cc7df SC |
688 | |
689 | /* Remove the possible \n. */ | |
10f59415 SC |
690 | s = strrchr (p, '\n'); |
691 | if (s && s[1] == 0) | |
692 | *s = 0; | |
c46cc7df | 693 | |
10f59415 SC |
694 | xfree (data_element->content); |
695 | data_element->content = xstrdup (p); | |
c46cc7df SC |
696 | do_cleanups (cleanups); |
697 | } | |
c906108c | 698 | |
10f59415 SC |
699 | /* Get the register value from the given frame and format it for |
700 | the display. When changep is set, check if the new register value | |
701 | has changed with respect to the previous call. */ | |
22940a24 | 702 | static enum tui_status |
10f59415 SC |
703 | tui_get_register (struct gdbarch *gdbarch, struct frame_info *frame, |
704 | struct tui_data_element *data, int regnum, int *changedp) | |
c906108c | 705 | { |
22940a24 | 706 | enum tui_status ret = TUI_FAILURE; |
c906108c | 707 | |
10f59415 SC |
708 | if (changedp) |
709 | *changedp = FALSE; | |
c906108c SS |
710 | if (target_has_registers) |
711 | { | |
10c42a71 | 712 | gdb_byte buf[MAX_REGISTER_SIZE]; |
10f59415 SC |
713 | |
714 | get_frame_register (frame, regnum, buf); | |
ac2adee5 AC |
715 | /* NOTE: cagney/2003-03-13: This is bogus. It is refering to |
716 | the register cache and not the frame which could have pulled | |
717 | the register value off the stack. */ | |
10f59415 SC |
718 | if (register_cached (regnum) >= 0) |
719 | { | |
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 | ret = TUI_SUCCESS; | |
738 | } | |
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 | } |