Commit | Line | Data |
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2611b1a5 | 1 | /* GDB hooks for TUI. |
f33c6cbf | 2 | |
32d0add0 | 3 | Copyright (C) 2001-2015 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 | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
2611b1a5 SC |
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 | |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
2611b1a5 SC |
19 | |
20 | #include "defs.h" | |
21 | #include "symtab.h" | |
22 | #include "inferior.h" | |
23 | #include "command.h" | |
24 | #include "bfd.h" | |
25 | #include "symfile.h" | |
26 | #include "objfiles.h" | |
27 | #include "target.h" | |
28 | #include "gdbcore.h" | |
29 | #include "event-loop.h" | |
2b68e2c5 | 30 | #include "event-top.h" |
2611b1a5 SC |
31 | #include "frame.h" |
32 | #include "breakpoint.h" | |
2b68e2c5 SC |
33 | #include "ui-out.h" |
34 | #include "top.h" | |
06d3b283 | 35 | #include "observer.h" |
2611b1a5 SC |
36 | #include <unistd.h> |
37 | #include <fcntl.h> | |
38 | ||
d7b2e967 | 39 | #include "tui/tui.h" |
6a83354a | 40 | #include "tui/tui-hooks.h" |
d7b2e967 AC |
41 | #include "tui/tui-data.h" |
42 | #include "tui/tui-layout.h" | |
43 | #include "tui/tui-io.h" | |
44 | #include "tui/tui-regs.h" | |
45 | #include "tui/tui-win.h" | |
46 | #include "tui/tui-stack.h" | |
47 | #include "tui/tui-windata.h" | |
48 | #include "tui/tui-winsource.h" | |
2611b1a5 | 49 | |
6a83354a | 50 | #include "gdb_curses.h" |
96ec9981 | 51 | |
4a1bcc8c MK |
52 | /* This redefines CTRL if it is not already defined, so it must come |
53 | after terminal state releated include files like <term.h> and | |
54 | "gdb_curses.h". */ | |
55 | #include "readline/readline.h" | |
56 | ||
2611b1a5 SC |
57 | int tui_target_has_run = 0; |
58 | ||
2611b1a5 SC |
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 | ||
3adda9d8 | 66 | /* Prevent recursion of deprecated_register_changed_hook(). */ |
2611b1a5 SC |
67 | static int tui_refreshing_registers = 0; |
68 | ||
2611b1a5 SC |
69 | static void |
70 | tui_register_changed_hook (int regno) | |
71 | { | |
72 | struct frame_info *fi; | |
73 | ||
206415a3 DJ |
74 | fi = get_selected_frame (NULL); |
75 | if (tui_refreshing_registers == 0) | |
2611b1a5 SC |
76 | { |
77 | tui_refreshing_registers = 1; | |
edae1ccf | 78 | tui_check_data_values (fi); |
2611b1a5 SC |
79 | tui_refreshing_registers = 0; |
80 | } | |
81 | } | |
82 | ||
2611b1a5 SC |
83 | /* Breakpoint creation hook. |
84 | Update the screen to show the new breakpoint. */ | |
85 | static void | |
8d3788bd | 86 | tui_event_create_breakpoint (struct breakpoint *b) |
2611b1a5 | 87 | { |
00b2bad4 | 88 | tui_update_all_breakpoint_info (); |
2611b1a5 SC |
89 | } |
90 | ||
91 | /* Breakpoint deletion hook. | |
92 | Refresh the screen to update the breakpoint marks. */ | |
93 | static void | |
8d3788bd | 94 | tui_event_delete_breakpoint (struct breakpoint *b) |
2611b1a5 | 95 | { |
00b2bad4 | 96 | tui_update_all_breakpoint_info (); |
2611b1a5 SC |
97 | } |
98 | ||
99 | static void | |
8d3788bd | 100 | tui_event_modify_breakpoint (struct breakpoint *b) |
2611b1a5 | 101 | { |
00b2bad4 | 102 | tui_update_all_breakpoint_info (); |
2611b1a5 SC |
103 | } |
104 | ||
4ca4d161 | 105 | /* Called when a command is about to proceed the inferior. */ |
2611b1a5 | 106 | |
4ca4d161 SC |
107 | static void |
108 | tui_about_to_proceed (void) | |
109 | { | |
2611b1a5 SC |
110 | /* Leave tui mode (optional). */ |
111 | #if 0 | |
112 | if (tui_active) | |
113 | { | |
114 | target_terminal_ours (); | |
115 | endwin (); | |
116 | target_terminal_inferior (); | |
117 | } | |
118 | #endif | |
119 | tui_target_has_run = 1; | |
2611b1a5 SC |
120 | } |
121 | ||
122 | /* The selected frame has changed. This is happens after a target | |
1cc6d956 MS |
123 | stop or when the user explicitly changes the frame |
124 | (up/down/thread/...). */ | |
2611b1a5 SC |
125 | static void |
126 | tui_selected_frame_level_changed_hook (int level) | |
127 | { | |
128 | struct frame_info *fi; | |
f23d1b92 | 129 | CORE_ADDR pc; |
2611b1a5 | 130 | |
3adda9d8 DJ |
131 | /* Negative level means that the selected frame was cleared. */ |
132 | if (level < 0) | |
133 | return; | |
134 | ||
135 | fi = get_selected_frame (NULL); | |
1cc6d956 MS |
136 | /* Ensure that symbols for this frame are read in. Also, determine |
137 | the source language of this frame, and switch to it if | |
138 | desired. */ | |
f23d1b92 | 139 | if (get_frame_pc_if_available (fi, &pc)) |
2611b1a5 SC |
140 | { |
141 | struct symtab *s; | |
f23d1b92 | 142 | |
34248c3a | 143 | s = find_pc_line_symtab (pc); |
1cc6d956 | 144 | /* elz: This if here fixes the problem with the pc not being |
f23d1b92 PA |
145 | displayed in the tui asm layout, with no debug symbols. The |
146 | value of s would be 0 here, and select_source_symtab would | |
147 | abort the command by calling the 'error' function. */ | |
2611b1a5 | 148 | if (s) |
f23d1b92 PA |
149 | select_source_symtab (s); |
150 | } | |
151 | ||
152 | /* Display the frame position (even if there is no symbols or the PC | |
153 | is not known). */ | |
154 | tui_show_frame_info (fi); | |
155 | ||
156 | /* Refresh the register window if it's visible. */ | |
157 | if (tui_is_window_visible (DATA_WIN)) | |
158 | { | |
159 | tui_refreshing_registers = 1; | |
160 | tui_check_data_values (fi); | |
161 | tui_refreshing_registers = 0; | |
2611b1a5 SC |
162 | } |
163 | } | |
164 | ||
165 | /* Called from print_frame_info to list the line we stopped in. */ | |
166 | static void | |
08ef48c5 MS |
167 | tui_print_frame_info_listing_hook (struct symtab *s, |
168 | int line, | |
169 | int stopline, | |
170 | int noerror) | |
2611b1a5 SC |
171 | { |
172 | select_source_symtab (s); | |
206415a3 | 173 | tui_show_frame_info (get_selected_frame (NULL)); |
2611b1a5 SC |
174 | } |
175 | ||
d69e6a33 SC |
176 | /* Perform all necessary cleanups regarding our module's inferior data |
177 | that is required after the inferior INF just exited. */ | |
178 | ||
cda8ab40 | 179 | static void |
d69e6a33 | 180 | tui_inferior_exit (struct inferior *inf) |
cda8ab40 | 181 | { |
d69e6a33 SC |
182 | /* Leave the SingleKey mode to make sure the gdb prompt is visible. */ |
183 | tui_set_key_mode (TUI_COMMAND_MODE); | |
47d3492a | 184 | tui_show_frame_info (0); |
cda8ab40 SC |
185 | tui_display_main (); |
186 | } | |
187 | ||
383f836e TT |
188 | /* Observers created when installing TUI hooks. */ |
189 | static struct observer *tui_bp_created_observer; | |
190 | static struct observer *tui_bp_deleted_observer; | |
191 | static struct observer *tui_bp_modified_observer; | |
d69e6a33 | 192 | static struct observer *tui_inferior_exit_observer; |
4ca4d161 | 193 | static struct observer *tui_about_to_proceed_observer; |
383f836e | 194 | |
2611b1a5 SC |
195 | /* Install the TUI specific hooks. */ |
196 | void | |
197 | tui_install_hooks (void) | |
198 | { | |
9a2b4c1b MS |
199 | deprecated_selected_frame_level_changed_hook |
200 | = tui_selected_frame_level_changed_hook; | |
201 | deprecated_print_frame_info_listing_hook | |
202 | = tui_print_frame_info_listing_hook; | |
2611b1a5 | 203 | |
2611b1a5 | 204 | /* Install the event hooks. */ |
383f836e TT |
205 | tui_bp_created_observer |
206 | = observer_attach_breakpoint_created (tui_event_create_breakpoint); | |
207 | tui_bp_deleted_observer | |
208 | = observer_attach_breakpoint_deleted (tui_event_delete_breakpoint); | |
209 | tui_bp_modified_observer | |
210 | = observer_attach_breakpoint_modified (tui_event_modify_breakpoint); | |
d69e6a33 SC |
211 | tui_inferior_exit_observer |
212 | = observer_attach_inferior_exit (tui_inferior_exit); | |
4ca4d161 SC |
213 | tui_about_to_proceed_observer |
214 | = observer_attach_about_to_proceed (tui_about_to_proceed); | |
2611b1a5 | 215 | |
9a4105ab | 216 | deprecated_register_changed_hook = tui_register_changed_hook; |
2611b1a5 SC |
217 | } |
218 | ||
219 | /* Remove the TUI specific hooks. */ | |
220 | void | |
221 | tui_remove_hooks (void) | |
222 | { | |
9a4105ab AC |
223 | deprecated_selected_frame_level_changed_hook = 0; |
224 | deprecated_print_frame_info_listing_hook = 0; | |
225 | deprecated_query_hook = 0; | |
9a4105ab | 226 | deprecated_register_changed_hook = 0; |
2611b1a5 | 227 | |
383f836e TT |
228 | /* Remove our observers. */ |
229 | observer_detach_breakpoint_created (tui_bp_created_observer); | |
230 | tui_bp_created_observer = NULL; | |
231 | observer_detach_breakpoint_deleted (tui_bp_deleted_observer); | |
232 | tui_bp_deleted_observer = NULL; | |
233 | observer_detach_breakpoint_modified (tui_bp_modified_observer); | |
234 | tui_bp_modified_observer = NULL; | |
d69e6a33 SC |
235 | observer_detach_inferior_exit (tui_inferior_exit_observer); |
236 | tui_inferior_exit_observer = NULL; | |
4ca4d161 SC |
237 | observer_detach_about_to_proceed (tui_about_to_proceed_observer); |
238 | tui_about_to_proceed_observer = NULL; | |
2611b1a5 SC |
239 | } |
240 | ||
021e7609 | 241 | void _initialize_tui_hooks (void); |
2b68e2c5 | 242 | |
021e7609 AC |
243 | void |
244 | _initialize_tui_hooks (void) | |
2611b1a5 | 245 | { |
2611b1a5 | 246 | /* Install the permanent hooks. */ |
06d3b283 | 247 | observer_attach_new_objfile (tui_new_objfile_hook); |
2611b1a5 | 248 | } |