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" | |
2611b1a5 SC |
39 | #include <unistd.h> |
40 | #include <fcntl.h> | |
41 | ||
d7b2e967 | 42 | #include "tui/tui.h" |
6a83354a | 43 | #include "tui/tui-hooks.h" |
d7b2e967 AC |
44 | #include "tui/tui-data.h" |
45 | #include "tui/tui-layout.h" | |
46 | #include "tui/tui-io.h" | |
47 | #include "tui/tui-regs.h" | |
48 | #include "tui/tui-win.h" | |
49 | #include "tui/tui-stack.h" | |
50 | #include "tui/tui-windata.h" | |
51 | #include "tui/tui-winsource.h" | |
2611b1a5 | 52 | |
6a83354a | 53 | #include "gdb_curses.h" |
96ec9981 | 54 | |
4a1bcc8c MK |
55 | /* This redefines CTRL if it is not already defined, so it must come |
56 | after terminal state releated include files like <term.h> and | |
57 | "gdb_curses.h". */ | |
58 | #include "readline/readline.h" | |
59 | ||
2611b1a5 SC |
60 | int tui_target_has_run = 0; |
61 | ||
62 | static void (* tui_target_new_objfile_chain) (struct objfile*); | |
2611b1a5 SC |
63 | |
64 | static void | |
65 | tui_new_objfile_hook (struct objfile* objfile) | |
66 | { | |
67 | if (tui_active) | |
1f393769 | 68 | tui_display_main (); |
2611b1a5 SC |
69 | |
70 | if (tui_target_new_objfile_chain) | |
71 | tui_target_new_objfile_chain (objfile); | |
72 | } | |
73 | ||
bee0189a | 74 | static int ATTR_FORMAT (printf, 1, 0) |
2611b1a5 SC |
75 | tui_query_hook (const char * msg, va_list argp) |
76 | { | |
77 | int retval; | |
78 | int ans2; | |
79 | int answer; | |
80 | ||
2611b1a5 SC |
81 | echo (); |
82 | while (1) | |
83 | { | |
84 | wrap_here (""); /* Flush any buffered output */ | |
85 | gdb_flush (gdb_stdout); | |
86 | ||
87 | vfprintf_filtered (gdb_stdout, msg, argp); | |
a3f17187 | 88 | printf_filtered (_("(y or n) ")); |
2611b1a5 SC |
89 | |
90 | wrap_here (""); | |
91 | gdb_flush (gdb_stdout); | |
92 | ||
93 | answer = tui_getc (stdin); | |
94 | clearerr (stdin); /* in case of C-d */ | |
95 | if (answer == EOF) /* C-d */ | |
96 | { | |
97 | retval = 1; | |
98 | break; | |
99 | } | |
100 | /* Eat rest of input line, to EOF or newline */ | |
101 | if (answer != '\n') | |
102 | do | |
103 | { | |
104 | ans2 = tui_getc (stdin); | |
105 | clearerr (stdin); | |
106 | } | |
107 | while (ans2 != EOF && ans2 != '\n' && ans2 != '\r'); | |
108 | ||
109 | if (answer >= 'a') | |
110 | answer -= 040; | |
111 | if (answer == 'Y') | |
112 | { | |
113 | retval = 1; | |
114 | break; | |
115 | } | |
116 | if (answer == 'N') | |
117 | { | |
118 | retval = 0; | |
119 | break; | |
120 | } | |
a3f17187 | 121 | printf_filtered (_("Please answer y or n.\n")); |
2611b1a5 SC |
122 | } |
123 | noecho (); | |
124 | return retval; | |
125 | } | |
126 | ||
3adda9d8 | 127 | /* Prevent recursion of deprecated_register_changed_hook(). */ |
2611b1a5 SC |
128 | static int tui_refreshing_registers = 0; |
129 | ||
2611b1a5 SC |
130 | static void |
131 | tui_register_changed_hook (int regno) | |
132 | { | |
133 | struct frame_info *fi; | |
134 | ||
206415a3 DJ |
135 | fi = get_selected_frame (NULL); |
136 | if (tui_refreshing_registers == 0) | |
2611b1a5 SC |
137 | { |
138 | tui_refreshing_registers = 1; | |
edae1ccf | 139 | tui_check_data_values (fi); |
2611b1a5 SC |
140 | tui_refreshing_registers = 0; |
141 | } | |
142 | } | |
143 | ||
2611b1a5 SC |
144 | /* Breakpoint creation hook. |
145 | Update the screen to show the new breakpoint. */ | |
146 | static void | |
147 | tui_event_create_breakpoint (int number) | |
148 | { | |
00b2bad4 | 149 | tui_update_all_breakpoint_info (); |
2611b1a5 SC |
150 | } |
151 | ||
152 | /* Breakpoint deletion hook. | |
153 | Refresh the screen to update the breakpoint marks. */ | |
154 | static void | |
155 | tui_event_delete_breakpoint (int number) | |
156 | { | |
00b2bad4 | 157 | tui_update_all_breakpoint_info (); |
2611b1a5 SC |
158 | } |
159 | ||
160 | static void | |
161 | tui_event_modify_breakpoint (int number) | |
162 | { | |
00b2bad4 | 163 | tui_update_all_breakpoint_info (); |
2611b1a5 SC |
164 | } |
165 | ||
166 | static void | |
167 | tui_event_default (int number) | |
168 | { | |
169 | ; | |
170 | } | |
171 | ||
172 | static struct gdb_events *tui_old_event_hooks; | |
173 | ||
174 | static struct gdb_events tui_event_hooks = | |
175 | { | |
176 | tui_event_create_breakpoint, | |
177 | tui_event_delete_breakpoint, | |
178 | tui_event_modify_breakpoint, | |
179 | tui_event_default, | |
180 | tui_event_default, | |
181 | tui_event_default | |
182 | }; | |
183 | ||
184 | /* Called when going to wait for the target. | |
185 | Leave curses mode and setup program mode. */ | |
186 | static ptid_t | |
187 | tui_target_wait_hook (ptid_t pid, struct target_waitstatus *status) | |
188 | { | |
189 | ptid_t res; | |
190 | ||
191 | /* Leave tui mode (optional). */ | |
192 | #if 0 | |
193 | if (tui_active) | |
194 | { | |
195 | target_terminal_ours (); | |
196 | endwin (); | |
197 | target_terminal_inferior (); | |
198 | } | |
199 | #endif | |
200 | tui_target_has_run = 1; | |
201 | res = target_wait (pid, status); | |
202 | ||
203 | if (tui_active) | |
204 | { | |
205 | /* TODO: need to refresh (optional). */ | |
206 | } | |
207 | return res; | |
208 | } | |
209 | ||
210 | /* The selected frame has changed. This is happens after a target | |
211 | stop or when the user explicitly changes the frame (up/down/thread/...). */ | |
212 | static void | |
213 | tui_selected_frame_level_changed_hook (int level) | |
214 | { | |
215 | struct frame_info *fi; | |
216 | ||
3adda9d8 DJ |
217 | /* Negative level means that the selected frame was cleared. */ |
218 | if (level < 0) | |
219 | return; | |
220 | ||
221 | fi = get_selected_frame (NULL); | |
2611b1a5 SC |
222 | /* Ensure that symbols for this frame are read in. Also, determine the |
223 | source language of this frame, and switch to it if desired. */ | |
224 | if (fi) | |
225 | { | |
226 | struct symtab *s; | |
227 | ||
f70a7d61 | 228 | s = find_pc_symtab (get_frame_pc (fi)); |
2611b1a5 SC |
229 | /* elz: this if here fixes the problem with the pc not being displayed |
230 | in the tui asm layout, with no debug symbols. The value of s | |
231 | would be 0 here, and select_source_symtab would abort the | |
232 | command by calling the 'error' function */ | |
233 | if (s) | |
90949d06 SC |
234 | select_source_symtab (s); |
235 | ||
236 | /* Display the frame position (even if there is no symbols). */ | |
47d3492a | 237 | tui_show_frame_info (fi); |
2611b1a5 SC |
238 | |
239 | /* Refresh the register window if it's visible. */ | |
240 | if (tui_is_window_visible (DATA_WIN)) | |
241 | { | |
242 | tui_refreshing_registers = 1; | |
edae1ccf | 243 | tui_check_data_values (fi); |
2611b1a5 SC |
244 | tui_refreshing_registers = 0; |
245 | } | |
246 | } | |
247 | } | |
248 | ||
249 | /* Called from print_frame_info to list the line we stopped in. */ | |
250 | static void | |
251 | tui_print_frame_info_listing_hook (struct symtab *s, int line, | |
252 | int stopline, int noerror) | |
253 | { | |
254 | select_source_symtab (s); | |
206415a3 | 255 | tui_show_frame_info (get_selected_frame (NULL)); |
2611b1a5 SC |
256 | } |
257 | ||
cda8ab40 SC |
258 | /* Called when the target process died or is detached. |
259 | Update the status line. */ | |
260 | static void | |
261 | tui_detach_hook (void) | |
262 | { | |
47d3492a | 263 | tui_show_frame_info (0); |
cda8ab40 SC |
264 | tui_display_main (); |
265 | } | |
266 | ||
2611b1a5 SC |
267 | /* Install the TUI specific hooks. */ |
268 | void | |
269 | tui_install_hooks (void) | |
270 | { | |
9a4105ab AC |
271 | deprecated_target_wait_hook = tui_target_wait_hook; |
272 | deprecated_selected_frame_level_changed_hook = tui_selected_frame_level_changed_hook; | |
273 | deprecated_print_frame_info_listing_hook = tui_print_frame_info_listing_hook; | |
2611b1a5 | 274 | |
9a4105ab | 275 | deprecated_query_hook = tui_query_hook; |
2611b1a5 SC |
276 | |
277 | /* Install the event hooks. */ | |
2726dafc | 278 | tui_old_event_hooks = deprecated_set_gdb_event_hooks (&tui_event_hooks); |
2611b1a5 | 279 | |
9a4105ab AC |
280 | deprecated_register_changed_hook = tui_register_changed_hook; |
281 | deprecated_detach_hook = tui_detach_hook; | |
2611b1a5 SC |
282 | } |
283 | ||
284 | /* Remove the TUI specific hooks. */ | |
285 | void | |
286 | tui_remove_hooks (void) | |
287 | { | |
9a4105ab AC |
288 | deprecated_target_wait_hook = 0; |
289 | deprecated_selected_frame_level_changed_hook = 0; | |
290 | deprecated_print_frame_info_listing_hook = 0; | |
291 | deprecated_query_hook = 0; | |
9a4105ab AC |
292 | deprecated_register_changed_hook = 0; |
293 | deprecated_detach_hook = 0; | |
2611b1a5 SC |
294 | |
295 | /* Restore the previous event hooks. */ | |
2726dafc | 296 | deprecated_set_gdb_event_hooks (tui_old_event_hooks); |
2611b1a5 SC |
297 | } |
298 | ||
021e7609 | 299 | void _initialize_tui_hooks (void); |
2b68e2c5 | 300 | |
021e7609 AC |
301 | void |
302 | _initialize_tui_hooks (void) | |
2611b1a5 | 303 | { |
2611b1a5 | 304 | /* Install the permanent hooks. */ |
9a4105ab AC |
305 | tui_target_new_objfile_chain = deprecated_target_new_objfile_hook; |
306 | deprecated_target_new_objfile_hook = tui_new_objfile_hook; | |
2611b1a5 | 307 | } |