Commit | Line | Data |
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2611b1a5 | 1 | /* GDB hooks for TUI. |
f33c6cbf | 2 | |
47d3492a | 3 | Copyright 2001, 2002, 2003, 2004 Free Software Foundation, Inc. |
2611b1a5 SC |
4 | |
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 59 Temple Place - Suite 330, | |
20 | Boston, MA 02111-1307, USA. */ | |
21 | ||
22 | #include "defs.h" | |
23 | #include "symtab.h" | |
24 | #include "inferior.h" | |
25 | #include "command.h" | |
26 | #include "bfd.h" | |
27 | #include "symfile.h" | |
28 | #include "objfiles.h" | |
29 | #include "target.h" | |
30 | #include "gdbcore.h" | |
31 | #include "event-loop.h" | |
2b68e2c5 | 32 | #include "event-top.h" |
2611b1a5 SC |
33 | #include "frame.h" |
34 | #include "breakpoint.h" | |
35 | #include "gdb-events.h" | |
2b68e2c5 SC |
36 | #include "ui-out.h" |
37 | #include "top.h" | |
38 | #include <readline/readline.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 | |
2611b1a5 SC |
55 | int tui_target_has_run = 0; |
56 | ||
57 | static void (* tui_target_new_objfile_chain) (struct objfile*); | |
2611b1a5 SC |
58 | |
59 | static void | |
60 | tui_new_objfile_hook (struct objfile* objfile) | |
61 | { | |
62 | if (tui_active) | |
1f393769 | 63 | tui_display_main (); |
2611b1a5 SC |
64 | |
65 | if (tui_target_new_objfile_chain) | |
66 | tui_target_new_objfile_chain (objfile); | |
67 | } | |
68 | ||
69 | static int | |
70 | tui_query_hook (const char * msg, va_list argp) | |
71 | { | |
72 | int retval; | |
73 | int ans2; | |
74 | int answer; | |
75 | ||
76 | /* Automatically answer "yes" if input is not from a terminal. */ | |
77 | if (!input_from_terminal_p ()) | |
78 | return 1; | |
79 | ||
80 | echo (); | |
81 | while (1) | |
82 | { | |
83 | wrap_here (""); /* Flush any buffered output */ | |
84 | gdb_flush (gdb_stdout); | |
85 | ||
86 | vfprintf_filtered (gdb_stdout, msg, argp); | |
87 | printf_filtered ("(y or n) "); | |
88 | ||
89 | wrap_here (""); | |
90 | gdb_flush (gdb_stdout); | |
91 | ||
92 | answer = tui_getc (stdin); | |
93 | clearerr (stdin); /* in case of C-d */ | |
94 | if (answer == EOF) /* C-d */ | |
95 | { | |
96 | retval = 1; | |
97 | break; | |
98 | } | |
99 | /* Eat rest of input line, to EOF or newline */ | |
100 | if (answer != '\n') | |
101 | do | |
102 | { | |
103 | ans2 = tui_getc (stdin); | |
104 | clearerr (stdin); | |
105 | } | |
106 | while (ans2 != EOF && ans2 != '\n' && ans2 != '\r'); | |
107 | ||
108 | if (answer >= 'a') | |
109 | answer -= 040; | |
110 | if (answer == 'Y') | |
111 | { | |
112 | retval = 1; | |
113 | break; | |
114 | } | |
115 | if (answer == 'N') | |
116 | { | |
117 | retval = 0; | |
118 | break; | |
119 | } | |
120 | printf_filtered ("Please answer y or n.\n"); | |
121 | } | |
122 | noecho (); | |
123 | return retval; | |
124 | } | |
125 | ||
126 | /* Prevent recursion of registers_changed_hook(). */ | |
127 | static int tui_refreshing_registers = 0; | |
128 | ||
129 | static void | |
130 | tui_registers_changed_hook (void) | |
131 | { | |
132 | struct frame_info *fi; | |
133 | ||
6e7f8b9c | 134 | fi = deprecated_selected_frame; |
2611b1a5 SC |
135 | if (fi && tui_refreshing_registers == 0) |
136 | { | |
137 | tui_refreshing_registers = 1; | |
138 | #if 0 | |
6ba8e26f | 139 | tui_check_data_values (fi); |
2611b1a5 SC |
140 | #endif |
141 | tui_refreshing_registers = 0; | |
142 | } | |
143 | } | |
144 | ||
145 | static void | |
146 | tui_register_changed_hook (int regno) | |
147 | { | |
148 | struct frame_info *fi; | |
149 | ||
6e7f8b9c | 150 | fi = deprecated_selected_frame; |
2611b1a5 SC |
151 | if (fi && tui_refreshing_registers == 0) |
152 | { | |
153 | tui_refreshing_registers = 1; | |
edae1ccf | 154 | tui_check_data_values (fi); |
2611b1a5 SC |
155 | tui_refreshing_registers = 0; |
156 | } | |
157 | } | |
158 | ||
2611b1a5 SC |
159 | /* Breakpoint creation hook. |
160 | Update the screen to show the new breakpoint. */ | |
161 | static void | |
162 | tui_event_create_breakpoint (int number) | |
163 | { | |
00b2bad4 | 164 | tui_update_all_breakpoint_info (); |
2611b1a5 SC |
165 | } |
166 | ||
167 | /* Breakpoint deletion hook. | |
168 | Refresh the screen to update the breakpoint marks. */ | |
169 | static void | |
170 | tui_event_delete_breakpoint (int number) | |
171 | { | |
00b2bad4 | 172 | tui_update_all_breakpoint_info (); |
2611b1a5 SC |
173 | } |
174 | ||
175 | static void | |
176 | tui_event_modify_breakpoint (int number) | |
177 | { | |
00b2bad4 | 178 | tui_update_all_breakpoint_info (); |
2611b1a5 SC |
179 | } |
180 | ||
181 | static void | |
182 | tui_event_default (int number) | |
183 | { | |
184 | ; | |
185 | } | |
186 | ||
187 | static struct gdb_events *tui_old_event_hooks; | |
188 | ||
189 | static struct gdb_events tui_event_hooks = | |
190 | { | |
191 | tui_event_create_breakpoint, | |
192 | tui_event_delete_breakpoint, | |
193 | tui_event_modify_breakpoint, | |
194 | tui_event_default, | |
195 | tui_event_default, | |
196 | tui_event_default | |
197 | }; | |
198 | ||
199 | /* Called when going to wait for the target. | |
200 | Leave curses mode and setup program mode. */ | |
201 | static ptid_t | |
202 | tui_target_wait_hook (ptid_t pid, struct target_waitstatus *status) | |
203 | { | |
204 | ptid_t res; | |
205 | ||
206 | /* Leave tui mode (optional). */ | |
207 | #if 0 | |
208 | if (tui_active) | |
209 | { | |
210 | target_terminal_ours (); | |
211 | endwin (); | |
212 | target_terminal_inferior (); | |
213 | } | |
214 | #endif | |
215 | tui_target_has_run = 1; | |
216 | res = target_wait (pid, status); | |
217 | ||
218 | if (tui_active) | |
219 | { | |
220 | /* TODO: need to refresh (optional). */ | |
221 | } | |
222 | return res; | |
223 | } | |
224 | ||
225 | /* The selected frame has changed. This is happens after a target | |
226 | stop or when the user explicitly changes the frame (up/down/thread/...). */ | |
227 | static void | |
228 | tui_selected_frame_level_changed_hook (int level) | |
229 | { | |
230 | struct frame_info *fi; | |
231 | ||
6e7f8b9c | 232 | fi = deprecated_selected_frame; |
2611b1a5 SC |
233 | /* Ensure that symbols for this frame are read in. Also, determine the |
234 | source language of this frame, and switch to it if desired. */ | |
235 | if (fi) | |
236 | { | |
237 | struct symtab *s; | |
238 | ||
f70a7d61 | 239 | s = find_pc_symtab (get_frame_pc (fi)); |
2611b1a5 SC |
240 | /* elz: this if here fixes the problem with the pc not being displayed |
241 | in the tui asm layout, with no debug symbols. The value of s | |
242 | would be 0 here, and select_source_symtab would abort the | |
243 | command by calling the 'error' function */ | |
244 | if (s) | |
90949d06 SC |
245 | select_source_symtab (s); |
246 | ||
247 | /* Display the frame position (even if there is no symbols). */ | |
47d3492a | 248 | tui_show_frame_info (fi); |
2611b1a5 SC |
249 | |
250 | /* Refresh the register window if it's visible. */ | |
251 | if (tui_is_window_visible (DATA_WIN)) | |
252 | { | |
253 | tui_refreshing_registers = 1; | |
edae1ccf | 254 | tui_check_data_values (fi); |
2611b1a5 SC |
255 | tui_refreshing_registers = 0; |
256 | } | |
257 | } | |
258 | } | |
259 | ||
260 | /* Called from print_frame_info to list the line we stopped in. */ | |
261 | static void | |
262 | tui_print_frame_info_listing_hook (struct symtab *s, int line, | |
263 | int stopline, int noerror) | |
264 | { | |
265 | select_source_symtab (s); | |
47d3492a | 266 | tui_show_frame_info (deprecated_selected_frame); |
2611b1a5 SC |
267 | } |
268 | ||
cda8ab40 SC |
269 | /* Called when the target process died or is detached. |
270 | Update the status line. */ | |
271 | static void | |
272 | tui_detach_hook (void) | |
273 | { | |
47d3492a | 274 | tui_show_frame_info (0); |
cda8ab40 SC |
275 | tui_display_main (); |
276 | } | |
277 | ||
2611b1a5 SC |
278 | /* Install the TUI specific hooks. */ |
279 | void | |
280 | tui_install_hooks (void) | |
281 | { | |
282 | target_wait_hook = tui_target_wait_hook; | |
283 | selected_frame_level_changed_hook = tui_selected_frame_level_changed_hook; | |
284 | print_frame_info_listing_hook = tui_print_frame_info_listing_hook; | |
285 | ||
286 | query_hook = tui_query_hook; | |
287 | ||
288 | /* Install the event hooks. */ | |
289 | tui_old_event_hooks = set_gdb_event_hooks (&tui_event_hooks); | |
290 | ||
291 | registers_changed_hook = tui_registers_changed_hook; | |
292 | register_changed_hook = tui_register_changed_hook; | |
cda8ab40 | 293 | detach_hook = tui_detach_hook; |
2611b1a5 SC |
294 | } |
295 | ||
296 | /* Remove the TUI specific hooks. */ | |
297 | void | |
298 | tui_remove_hooks (void) | |
299 | { | |
300 | target_wait_hook = 0; | |
301 | selected_frame_level_changed_hook = 0; | |
302 | print_frame_info_listing_hook = 0; | |
303 | query_hook = 0; | |
304 | registers_changed_hook = 0; | |
305 | register_changed_hook = 0; | |
cda8ab40 | 306 | detach_hook = 0; |
2611b1a5 SC |
307 | |
308 | /* Restore the previous event hooks. */ | |
309 | set_gdb_event_hooks (tui_old_event_hooks); | |
310 | } | |
311 | ||
021e7609 | 312 | void _initialize_tui_hooks (void); |
2b68e2c5 | 313 | |
021e7609 AC |
314 | void |
315 | _initialize_tui_hooks (void) | |
2611b1a5 | 316 | { |
2611b1a5 SC |
317 | /* Install the permanent hooks. */ |
318 | tui_target_new_objfile_chain = target_new_objfile_hook; | |
319 | target_new_objfile_hook = tui_new_objfile_hook; | |
2611b1a5 | 320 | } |