Commit | Line | Data |
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2611b1a5 | 1 | /* GDB hooks for TUI. |
f33c6cbf | 2 | |
6aba47ca | 3 | Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007 |
698ba934 | 4 | Free Software Foundation, Inc. |
2611b1a5 SC |
5 | |
6 | This file is part of GDB. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 10 | the Free Software Foundation; either version 3 of the License, or |
2611b1a5 SC |
11 | (at your option) any later version. |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 19 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
2611b1a5 SC |
20 | |
21 | #include "defs.h" | |
22 | #include "symtab.h" | |
23 | #include "inferior.h" | |
24 | #include "command.h" | |
25 | #include "bfd.h" | |
26 | #include "symfile.h" | |
27 | #include "objfiles.h" | |
28 | #include "target.h" | |
29 | #include "gdbcore.h" | |
30 | #include "event-loop.h" | |
2b68e2c5 | 31 | #include "event-top.h" |
2611b1a5 SC |
32 | #include "frame.h" |
33 | #include "breakpoint.h" | |
34 | #include "gdb-events.h" | |
2b68e2c5 SC |
35 | #include "ui-out.h" |
36 | #include "top.h" | |
06d3b283 | 37 | #include "observer.h" |
2611b1a5 SC |
38 | #include <unistd.h> |
39 | #include <fcntl.h> | |
40 | ||
d7b2e967 | 41 | #include "tui/tui.h" |
6a83354a | 42 | #include "tui/tui-hooks.h" |
d7b2e967 AC |
43 | #include "tui/tui-data.h" |
44 | #include "tui/tui-layout.h" | |
45 | #include "tui/tui-io.h" | |
46 | #include "tui/tui-regs.h" | |
47 | #include "tui/tui-win.h" | |
48 | #include "tui/tui-stack.h" | |
49 | #include "tui/tui-windata.h" | |
50 | #include "tui/tui-winsource.h" | |
2611b1a5 | 51 | |
6a83354a | 52 | #include "gdb_curses.h" |
96ec9981 | 53 | |
4a1bcc8c MK |
54 | /* This redefines CTRL if it is not already defined, so it must come |
55 | after terminal state releated include files like <term.h> and | |
56 | "gdb_curses.h". */ | |
57 | #include "readline/readline.h" | |
58 | ||
2611b1a5 SC |
59 | int tui_target_has_run = 0; |
60 | ||
2611b1a5 SC |
61 | static void |
62 | tui_new_objfile_hook (struct objfile* objfile) | |
63 | { | |
64 | if (tui_active) | |
1f393769 | 65 | tui_display_main (); |
2611b1a5 SC |
66 | } |
67 | ||
bee0189a | 68 | static int ATTR_FORMAT (printf, 1, 0) |
5b6fe301 | 69 | tui_query_hook (const char *msg, va_list argp) |
2611b1a5 SC |
70 | { |
71 | int retval; | |
72 | int ans2; | |
73 | int answer; | |
74 | ||
2611b1a5 SC |
75 | echo (); |
76 | while (1) | |
77 | { | |
1cc6d956 | 78 | wrap_here (""); /* Flush any buffered output. */ |
2611b1a5 SC |
79 | gdb_flush (gdb_stdout); |
80 | ||
81 | vfprintf_filtered (gdb_stdout, msg, argp); | |
a3f17187 | 82 | printf_filtered (_("(y or n) ")); |
2611b1a5 SC |
83 | |
84 | wrap_here (""); | |
85 | gdb_flush (gdb_stdout); | |
86 | ||
87 | answer = tui_getc (stdin); | |
88 | clearerr (stdin); /* in case of C-d */ | |
89 | if (answer == EOF) /* C-d */ | |
90 | { | |
91 | retval = 1; | |
92 | break; | |
93 | } | |
1cc6d956 | 94 | /* Eat rest of input line, to EOF or newline. */ |
2611b1a5 SC |
95 | if (answer != '\n') |
96 | do | |
97 | { | |
98 | ans2 = tui_getc (stdin); | |
99 | clearerr (stdin); | |
100 | } | |
101 | while (ans2 != EOF && ans2 != '\n' && ans2 != '\r'); | |
102 | ||
103 | if (answer >= 'a') | |
104 | answer -= 040; | |
105 | if (answer == 'Y') | |
106 | { | |
107 | retval = 1; | |
108 | break; | |
109 | } | |
110 | if (answer == 'N') | |
111 | { | |
112 | retval = 0; | |
113 | break; | |
114 | } | |
a3f17187 | 115 | printf_filtered (_("Please answer y or n.\n")); |
2611b1a5 SC |
116 | } |
117 | noecho (); | |
118 | return retval; | |
119 | } | |
120 | ||
3adda9d8 | 121 | /* Prevent recursion of deprecated_register_changed_hook(). */ |
2611b1a5 SC |
122 | static int tui_refreshing_registers = 0; |
123 | ||
2611b1a5 SC |
124 | static void |
125 | tui_register_changed_hook (int regno) | |
126 | { | |
127 | struct frame_info *fi; | |
128 | ||
206415a3 DJ |
129 | fi = get_selected_frame (NULL); |
130 | if (tui_refreshing_registers == 0) | |
2611b1a5 SC |
131 | { |
132 | tui_refreshing_registers = 1; | |
edae1ccf | 133 | tui_check_data_values (fi); |
2611b1a5 SC |
134 | tui_refreshing_registers = 0; |
135 | } | |
136 | } | |
137 | ||
2611b1a5 SC |
138 | /* Breakpoint creation hook. |
139 | Update the screen to show the new breakpoint. */ | |
140 | static void | |
141 | tui_event_create_breakpoint (int number) | |
142 | { | |
00b2bad4 | 143 | tui_update_all_breakpoint_info (); |
2611b1a5 SC |
144 | } |
145 | ||
146 | /* Breakpoint deletion hook. | |
147 | Refresh the screen to update the breakpoint marks. */ | |
148 | static void | |
149 | tui_event_delete_breakpoint (int number) | |
150 | { | |
00b2bad4 | 151 | tui_update_all_breakpoint_info (); |
2611b1a5 SC |
152 | } |
153 | ||
154 | static void | |
155 | tui_event_modify_breakpoint (int number) | |
156 | { | |
00b2bad4 | 157 | tui_update_all_breakpoint_info (); |
2611b1a5 SC |
158 | } |
159 | ||
160 | static void | |
161 | tui_event_default (int number) | |
162 | { | |
163 | ; | |
164 | } | |
165 | ||
166 | static struct gdb_events *tui_old_event_hooks; | |
167 | ||
08ef48c5 | 168 | static struct gdb_events tui_event_hooks = { |
2611b1a5 SC |
169 | tui_event_create_breakpoint, |
170 | tui_event_delete_breakpoint, | |
171 | tui_event_modify_breakpoint, | |
172 | tui_event_default, | |
173 | tui_event_default, | |
174 | tui_event_default | |
175 | }; | |
176 | ||
177 | /* Called when going to wait for the target. | |
178 | Leave curses mode and setup program mode. */ | |
179 | static ptid_t | |
08ef48c5 MS |
180 | tui_target_wait_hook (ptid_t pid, |
181 | struct target_waitstatus *status) | |
2611b1a5 SC |
182 | { |
183 | ptid_t res; | |
184 | ||
185 | /* Leave tui mode (optional). */ | |
186 | #if 0 | |
187 | if (tui_active) | |
188 | { | |
189 | target_terminal_ours (); | |
190 | endwin (); | |
191 | target_terminal_inferior (); | |
192 | } | |
193 | #endif | |
194 | tui_target_has_run = 1; | |
195 | res = target_wait (pid, status); | |
196 | ||
197 | if (tui_active) | |
198 | { | |
199 | /* TODO: need to refresh (optional). */ | |
200 | } | |
201 | return res; | |
202 | } | |
203 | ||
204 | /* The selected frame has changed. This is happens after a target | |
1cc6d956 MS |
205 | stop or when the user explicitly changes the frame |
206 | (up/down/thread/...). */ | |
2611b1a5 SC |
207 | static void |
208 | tui_selected_frame_level_changed_hook (int level) | |
209 | { | |
210 | struct frame_info *fi; | |
211 | ||
3adda9d8 DJ |
212 | /* Negative level means that the selected frame was cleared. */ |
213 | if (level < 0) | |
214 | return; | |
215 | ||
216 | fi = get_selected_frame (NULL); | |
1cc6d956 MS |
217 | /* Ensure that symbols for this frame are read in. Also, determine |
218 | the source language of this frame, and switch to it if | |
219 | desired. */ | |
2611b1a5 SC |
220 | if (fi) |
221 | { | |
222 | struct symtab *s; | |
223 | ||
f70a7d61 | 224 | s = find_pc_symtab (get_frame_pc (fi)); |
1cc6d956 MS |
225 | /* elz: This if here fixes the problem with the pc not being |
226 | displayed in the tui asm layout, with no debug symbols. The | |
227 | value of s would be 0 here, and select_source_symtab would | |
228 | abort the command by calling the 'error' function. */ | |
2611b1a5 | 229 | if (s) |
90949d06 SC |
230 | select_source_symtab (s); |
231 | ||
232 | /* Display the frame position (even if there is no symbols). */ | |
47d3492a | 233 | tui_show_frame_info (fi); |
2611b1a5 SC |
234 | |
235 | /* Refresh the register window if it's visible. */ | |
236 | if (tui_is_window_visible (DATA_WIN)) | |
237 | { | |
238 | tui_refreshing_registers = 1; | |
edae1ccf | 239 | tui_check_data_values (fi); |
2611b1a5 SC |
240 | tui_refreshing_registers = 0; |
241 | } | |
242 | } | |
243 | } | |
244 | ||
245 | /* Called from print_frame_info to list the line we stopped in. */ | |
246 | static void | |
08ef48c5 MS |
247 | tui_print_frame_info_listing_hook (struct symtab *s, |
248 | int line, | |
249 | int stopline, | |
250 | int noerror) | |
2611b1a5 SC |
251 | { |
252 | select_source_symtab (s); | |
206415a3 | 253 | tui_show_frame_info (get_selected_frame (NULL)); |
2611b1a5 SC |
254 | } |
255 | ||
cda8ab40 SC |
256 | /* Called when the target process died or is detached. |
257 | Update the status line. */ | |
258 | static void | |
259 | tui_detach_hook (void) | |
260 | { | |
47d3492a | 261 | tui_show_frame_info (0); |
cda8ab40 SC |
262 | tui_display_main (); |
263 | } | |
264 | ||
2611b1a5 SC |
265 | /* Install the TUI specific hooks. */ |
266 | void | |
267 | tui_install_hooks (void) | |
268 | { | |
9a4105ab AC |
269 | deprecated_target_wait_hook = tui_target_wait_hook; |
270 | deprecated_selected_frame_level_changed_hook = tui_selected_frame_level_changed_hook; | |
271 | deprecated_print_frame_info_listing_hook = tui_print_frame_info_listing_hook; | |
2611b1a5 | 272 | |
9a4105ab | 273 | deprecated_query_hook = tui_query_hook; |
2611b1a5 SC |
274 | |
275 | /* Install the event hooks. */ | |
2726dafc | 276 | tui_old_event_hooks = deprecated_set_gdb_event_hooks (&tui_event_hooks); |
2611b1a5 | 277 | |
9a4105ab AC |
278 | deprecated_register_changed_hook = tui_register_changed_hook; |
279 | deprecated_detach_hook = tui_detach_hook; | |
2611b1a5 SC |
280 | } |
281 | ||
282 | /* Remove the TUI specific hooks. */ | |
283 | void | |
284 | tui_remove_hooks (void) | |
285 | { | |
9a4105ab AC |
286 | deprecated_target_wait_hook = 0; |
287 | deprecated_selected_frame_level_changed_hook = 0; | |
288 | deprecated_print_frame_info_listing_hook = 0; | |
289 | deprecated_query_hook = 0; | |
9a4105ab AC |
290 | deprecated_register_changed_hook = 0; |
291 | deprecated_detach_hook = 0; | |
2611b1a5 SC |
292 | |
293 | /* Restore the previous event hooks. */ | |
2726dafc | 294 | deprecated_set_gdb_event_hooks (tui_old_event_hooks); |
2611b1a5 SC |
295 | } |
296 | ||
021e7609 | 297 | void _initialize_tui_hooks (void); |
2b68e2c5 | 298 | |
021e7609 AC |
299 | void |
300 | _initialize_tui_hooks (void) | |
2611b1a5 | 301 | { |
2611b1a5 | 302 | /* Install the permanent hooks. */ |
06d3b283 | 303 | observer_attach_new_objfile (tui_new_objfile_hook); |
2611b1a5 | 304 | } |