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 | |
10 | the Free Software Foundation; either version 2 of the License, or | |
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 | |
19 | along with this program; if not, write to the Free Software | |
88d83552 EZ |
20 | Foundation, Inc., 51 Franklin Street, Fifth Floor, |
21 | Boston, MA 02110-1301, USA. */ | |
2611b1a5 SC |
22 | |
23 | #include "defs.h" | |
24 | #include "symtab.h" | |
25 | #include "inferior.h" | |
26 | #include "command.h" | |
27 | #include "bfd.h" | |
28 | #include "symfile.h" | |
29 | #include "objfiles.h" | |
30 | #include "target.h" | |
31 | #include "gdbcore.h" | |
32 | #include "event-loop.h" | |
2b68e2c5 | 33 | #include "event-top.h" |
2611b1a5 SC |
34 | #include "frame.h" |
35 | #include "breakpoint.h" | |
36 | #include "gdb-events.h" | |
2b68e2c5 SC |
37 | #include "ui-out.h" |
38 | #include "top.h" | |
06d3b283 | 39 | #include "observer.h" |
2611b1a5 SC |
40 | #include <unistd.h> |
41 | #include <fcntl.h> | |
42 | ||
d7b2e967 | 43 | #include "tui/tui.h" |
6a83354a | 44 | #include "tui/tui-hooks.h" |
d7b2e967 AC |
45 | #include "tui/tui-data.h" |
46 | #include "tui/tui-layout.h" | |
47 | #include "tui/tui-io.h" | |
48 | #include "tui/tui-regs.h" | |
49 | #include "tui/tui-win.h" | |
50 | #include "tui/tui-stack.h" | |
51 | #include "tui/tui-windata.h" | |
52 | #include "tui/tui-winsource.h" | |
2611b1a5 | 53 | |
6a83354a | 54 | #include "gdb_curses.h" |
96ec9981 | 55 | |
4a1bcc8c MK |
56 | /* This redefines CTRL if it is not already defined, so it must come |
57 | after terminal state releated include files like <term.h> and | |
58 | "gdb_curses.h". */ | |
59 | #include "readline/readline.h" | |
60 | ||
2611b1a5 SC |
61 | int tui_target_has_run = 0; |
62 | ||
2611b1a5 SC |
63 | static void |
64 | tui_new_objfile_hook (struct objfile* objfile) | |
65 | { | |
66 | if (tui_active) | |
1f393769 | 67 | tui_display_main (); |
2611b1a5 SC |
68 | } |
69 | ||
bee0189a | 70 | static int ATTR_FORMAT (printf, 1, 0) |
2611b1a5 SC |
71 | tui_query_hook (const char * msg, va_list argp) |
72 | { | |
73 | int retval; | |
74 | int ans2; | |
75 | int answer; | |
76 | ||
2611b1a5 SC |
77 | echo (); |
78 | while (1) | |
79 | { | |
80 | wrap_here (""); /* Flush any buffered output */ | |
81 | gdb_flush (gdb_stdout); | |
82 | ||
83 | vfprintf_filtered (gdb_stdout, msg, argp); | |
a3f17187 | 84 | printf_filtered (_("(y or n) ")); |
2611b1a5 SC |
85 | |
86 | wrap_here (""); | |
87 | gdb_flush (gdb_stdout); | |
88 | ||
89 | answer = tui_getc (stdin); | |
90 | clearerr (stdin); /* in case of C-d */ | |
91 | if (answer == EOF) /* C-d */ | |
92 | { | |
93 | retval = 1; | |
94 | break; | |
95 | } | |
96 | /* Eat rest of input line, to EOF or newline */ | |
97 | if (answer != '\n') | |
98 | do | |
99 | { | |
100 | ans2 = tui_getc (stdin); | |
101 | clearerr (stdin); | |
102 | } | |
103 | while (ans2 != EOF && ans2 != '\n' && ans2 != '\r'); | |
104 | ||
105 | if (answer >= 'a') | |
106 | answer -= 040; | |
107 | if (answer == 'Y') | |
108 | { | |
109 | retval = 1; | |
110 | break; | |
111 | } | |
112 | if (answer == 'N') | |
113 | { | |
114 | retval = 0; | |
115 | break; | |
116 | } | |
a3f17187 | 117 | printf_filtered (_("Please answer y or n.\n")); |
2611b1a5 SC |
118 | } |
119 | noecho (); | |
120 | return retval; | |
121 | } | |
122 | ||
3adda9d8 | 123 | /* Prevent recursion of deprecated_register_changed_hook(). */ |
2611b1a5 SC |
124 | static int tui_refreshing_registers = 0; |
125 | ||
2611b1a5 SC |
126 | static void |
127 | tui_register_changed_hook (int regno) | |
128 | { | |
129 | struct frame_info *fi; | |
130 | ||
206415a3 DJ |
131 | fi = get_selected_frame (NULL); |
132 | if (tui_refreshing_registers == 0) | |
2611b1a5 SC |
133 | { |
134 | tui_refreshing_registers = 1; | |
edae1ccf | 135 | tui_check_data_values (fi); |
2611b1a5 SC |
136 | tui_refreshing_registers = 0; |
137 | } | |
138 | } | |
139 | ||
2611b1a5 SC |
140 | /* Breakpoint creation hook. |
141 | Update the screen to show the new breakpoint. */ | |
142 | static void | |
143 | tui_event_create_breakpoint (int number) | |
144 | { | |
00b2bad4 | 145 | tui_update_all_breakpoint_info (); |
2611b1a5 SC |
146 | } |
147 | ||
148 | /* Breakpoint deletion hook. | |
149 | Refresh the screen to update the breakpoint marks. */ | |
150 | static void | |
151 | tui_event_delete_breakpoint (int number) | |
152 | { | |
00b2bad4 | 153 | tui_update_all_breakpoint_info (); |
2611b1a5 SC |
154 | } |
155 | ||
156 | static void | |
157 | tui_event_modify_breakpoint (int number) | |
158 | { | |
00b2bad4 | 159 | tui_update_all_breakpoint_info (); |
2611b1a5 SC |
160 | } |
161 | ||
162 | static void | |
163 | tui_event_default (int number) | |
164 | { | |
165 | ; | |
166 | } | |
167 | ||
168 | static struct gdb_events *tui_old_event_hooks; | |
169 | ||
170 | static struct gdb_events tui_event_hooks = | |
171 | { | |
172 | tui_event_create_breakpoint, | |
173 | tui_event_delete_breakpoint, | |
174 | tui_event_modify_breakpoint, | |
175 | tui_event_default, | |
176 | tui_event_default, | |
177 | tui_event_default | |
178 | }; | |
179 | ||
180 | /* Called when going to wait for the target. | |
181 | Leave curses mode and setup program mode. */ | |
182 | static ptid_t | |
183 | tui_target_wait_hook (ptid_t pid, struct target_waitstatus *status) | |
184 | { | |
185 | ptid_t res; | |
186 | ||
187 | /* Leave tui mode (optional). */ | |
188 | #if 0 | |
189 | if (tui_active) | |
190 | { | |
191 | target_terminal_ours (); | |
192 | endwin (); | |
193 | target_terminal_inferior (); | |
194 | } | |
195 | #endif | |
196 | tui_target_has_run = 1; | |
197 | res = target_wait (pid, status); | |
198 | ||
199 | if (tui_active) | |
200 | { | |
201 | /* TODO: need to refresh (optional). */ | |
202 | } | |
203 | return res; | |
204 | } | |
205 | ||
206 | /* The selected frame has changed. This is happens after a target | |
207 | stop or when the user explicitly changes the frame (up/down/thread/...). */ | |
208 | static void | |
209 | tui_selected_frame_level_changed_hook (int level) | |
210 | { | |
211 | struct frame_info *fi; | |
212 | ||
3adda9d8 DJ |
213 | /* Negative level means that the selected frame was cleared. */ |
214 | if (level < 0) | |
215 | return; | |
216 | ||
217 | fi = get_selected_frame (NULL); | |
2611b1a5 SC |
218 | /* Ensure that symbols for this frame are read in. Also, determine the |
219 | source language of this frame, and switch to it if desired. */ | |
220 | if (fi) | |
221 | { | |
222 | struct symtab *s; | |
223 | ||
f70a7d61 | 224 | s = find_pc_symtab (get_frame_pc (fi)); |
2611b1a5 SC |
225 | /* elz: this if here fixes the problem with the pc not being displayed |
226 | in the tui asm layout, with no debug symbols. The value of s | |
227 | would be 0 here, and select_source_symtab would abort the | |
228 | command by calling the 'error' function */ | |
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 | |
247 | tui_print_frame_info_listing_hook (struct symtab *s, int line, | |
248 | int stopline, int noerror) | |
249 | { | |
250 | select_source_symtab (s); | |
206415a3 | 251 | tui_show_frame_info (get_selected_frame (NULL)); |
2611b1a5 SC |
252 | } |
253 | ||
cda8ab40 SC |
254 | /* Called when the target process died or is detached. |
255 | Update the status line. */ | |
256 | static void | |
257 | tui_detach_hook (void) | |
258 | { | |
47d3492a | 259 | tui_show_frame_info (0); |
cda8ab40 SC |
260 | tui_display_main (); |
261 | } | |
262 | ||
2611b1a5 SC |
263 | /* Install the TUI specific hooks. */ |
264 | void | |
265 | tui_install_hooks (void) | |
266 | { | |
9a4105ab AC |
267 | deprecated_target_wait_hook = tui_target_wait_hook; |
268 | deprecated_selected_frame_level_changed_hook = tui_selected_frame_level_changed_hook; | |
269 | deprecated_print_frame_info_listing_hook = tui_print_frame_info_listing_hook; | |
2611b1a5 | 270 | |
9a4105ab | 271 | deprecated_query_hook = tui_query_hook; |
2611b1a5 SC |
272 | |
273 | /* Install the event hooks. */ | |
2726dafc | 274 | tui_old_event_hooks = deprecated_set_gdb_event_hooks (&tui_event_hooks); |
2611b1a5 | 275 | |
9a4105ab AC |
276 | deprecated_register_changed_hook = tui_register_changed_hook; |
277 | deprecated_detach_hook = tui_detach_hook; | |
2611b1a5 SC |
278 | } |
279 | ||
280 | /* Remove the TUI specific hooks. */ | |
281 | void | |
282 | tui_remove_hooks (void) | |
283 | { | |
9a4105ab AC |
284 | deprecated_target_wait_hook = 0; |
285 | deprecated_selected_frame_level_changed_hook = 0; | |
286 | deprecated_print_frame_info_listing_hook = 0; | |
287 | deprecated_query_hook = 0; | |
9a4105ab AC |
288 | deprecated_register_changed_hook = 0; |
289 | deprecated_detach_hook = 0; | |
2611b1a5 SC |
290 | |
291 | /* Restore the previous event hooks. */ | |
2726dafc | 292 | deprecated_set_gdb_event_hooks (tui_old_event_hooks); |
2611b1a5 SC |
293 | } |
294 | ||
021e7609 | 295 | void _initialize_tui_hooks (void); |
2b68e2c5 | 296 | |
021e7609 AC |
297 | void |
298 | _initialize_tui_hooks (void) | |
2611b1a5 | 299 | { |
2611b1a5 | 300 | /* Install the permanent hooks. */ |
06d3b283 | 301 | observer_attach_new_objfile (tui_new_objfile_hook); |
2611b1a5 | 302 | } |