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git.ipfire.org Git - thirdparty/binutils-gdb.git/blob - gdb/cli/cli-logging.c
1 /* Command-line output logging for GDB, the GNU debugger.
3 Copyright (C) 2003-2019 Free Software Foundation, Inc.
5 This file is part of GDB.
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 3 of the License, or
10 (at your option) any later version.
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.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
25 static char *saved_filename
;
27 static char *logging_filename
;
29 show_logging_filename (struct ui_file
*file
, int from_tty
,
30 struct cmd_list_element
*c
, const char *value
)
32 fprintf_filtered (file
, _("The current logfile is \"%s\".\n"),
36 static int logging_overwrite
;
39 maybe_warn_already_logging ()
42 warning (_("Currently logging to %s. Turn the logging off and on to "
43 "make the new setting effective."), saved_filename
);
47 set_logging_overwrite (const char *args
,
48 int from_tty
, struct cmd_list_element
*c
)
50 maybe_warn_already_logging ();
54 show_logging_overwrite (struct ui_file
*file
, int from_tty
,
55 struct cmd_list_element
*c
, const char *value
)
57 fprintf_filtered (file
,
58 _("Whether logging overwrites or "
59 "appends to the log file is %s.\n"),
63 /* Value as configured by the user. */
64 static int logging_redirect
;
65 static int debug_redirect
;
68 set_logging_redirect (const char *args
,
69 int from_tty
, struct cmd_list_element
*c
)
71 maybe_warn_already_logging ();
75 show_logging_redirect (struct ui_file
*file
, int from_tty
,
76 struct cmd_list_element
*c
, const char *value
)
78 fprintf_filtered (file
, _("The logging output mode is %s.\n"), value
);
81 /* If we've pushed output files, close them and pop them. */
83 pop_output_files (void)
85 current_interp_set_logging (NULL
, false, false);
87 /* Stay consistent with handle_redirections. */
88 if (!current_uiout
->is_mi_like_p ())
89 current_uiout
->redirect (NULL
);
92 /* This is a helper for the `set logging' command. */
94 handle_redirections (int from_tty
)
96 if (saved_filename
!= NULL
)
98 fprintf_unfiltered (gdb_stdout
, "Already logging to %s.\n",
103 stdio_file_up
log (new no_terminal_escape_file ());
104 if (!log
->open (logging_filename
, logging_overwrite
? "w" : "a"))
105 perror_with_name (_("set logging"));
107 /* Redirects everything to gdb_stdout while this is running. */
110 if (!logging_redirect
)
111 fprintf_unfiltered (gdb_stdout
, "Copying output to %s.\n",
114 fprintf_unfiltered (gdb_stdout
, "Redirecting output to %s.\n",
118 fprintf_unfiltered (gdb_stdout
, "Copying debug output to %s.\n",
121 fprintf_unfiltered (gdb_stdout
, "Redirecting debug output to %s.\n",
125 saved_filename
= xstrdup (logging_filename
);
127 /* Let the interpreter do anything it needs. */
128 current_interp_set_logging (std::move (log
), logging_redirect
,
131 /* Redirect the current ui-out object's output to the log. Use
132 gdb_stdout, not log, since the interpreter may have created a tee
133 that wraps the log. Don't do the redirect for MI, it confuses
134 MI's ui-out scheme. Note that we may get here with MI as current
135 interpreter, but with the current ui_out as a CLI ui_out, with
136 '-interpreter-exec console "set logging on"'. */
137 if (!current_uiout
->is_mi_like_p ())
138 current_uiout
->redirect (gdb_stdout
);
142 set_logging_on (const char *args
, int from_tty
)
144 const char *rest
= args
;
148 xfree (logging_filename
);
149 logging_filename
= xstrdup (rest
);
151 handle_redirections (from_tty
);
155 set_logging_off (const char *args
, int from_tty
)
157 if (saved_filename
== NULL
)
162 fprintf_unfiltered (gdb_stdout
, "Done logging to %s.\n", saved_filename
);
163 xfree (saved_filename
);
164 saved_filename
= NULL
;
168 set_logging_command (const char *args
, int from_tty
)
170 printf_unfiltered (_("\"set logging\" lets you log output to a file.\n"
171 "Usage: set logging on [FILENAME]\n"
173 " set logging file FILENAME\n"
174 " set logging overwrite [on|off]\n"
175 " set logging redirect [on|off]\n"));
179 show_logging_command (const char *args
, int from_tty
)
182 printf_unfiltered (_("Currently logging to \"%s\".\n"), saved_filename
);
183 if (saved_filename
== NULL
184 || strcmp (logging_filename
, saved_filename
) != 0)
185 printf_unfiltered (_("Future logs will be written to %s.\n"),
188 if (logging_overwrite
)
189 printf_unfiltered (_("Logs will overwrite the log file.\n"));
191 printf_unfiltered (_("Logs will be appended to the log file.\n"));
193 if (logging_redirect
)
194 printf_unfiltered (_("Output will be sent only to the log file.\n"));
196 printf_unfiltered (_("Output will be logged and displayed.\n"));
199 printf_unfiltered (_("Debug output will be sent only to the log file.\n"));
201 printf_unfiltered (_("Debug output will be logged and displayed.\n"));
205 _initialize_cli_logging (void)
207 static struct cmd_list_element
*set_logging_cmdlist
, *show_logging_cmdlist
;
209 add_prefix_cmd ("logging", class_support
, set_logging_command
,
210 _("Set logging options"), &set_logging_cmdlist
,
211 "set logging ", 0, &setlist
);
212 add_prefix_cmd ("logging", class_support
, show_logging_command
,
213 _("Show logging options"), &show_logging_cmdlist
,
214 "show logging ", 0, &showlist
);
215 add_setshow_boolean_cmd ("overwrite", class_support
, &logging_overwrite
, _("\
216 Set whether logging overwrites or appends to the log file."), _("\
217 Show whether logging overwrites or appends to the log file."), _("\
218 If set, logging overrides the log file."),
219 set_logging_overwrite
,
220 show_logging_overwrite
,
221 &set_logging_cmdlist
, &show_logging_cmdlist
);
222 add_setshow_boolean_cmd ("redirect", class_support
, &logging_redirect
, _("\
223 Set the logging output mode."), _("\
224 Show the logging output mode."), _("\
225 If redirect is off, output will go to both the screen and the log file.\n\
226 If redirect is on, output will go only to the log file."),
227 set_logging_redirect
,
228 show_logging_redirect
,
229 &set_logging_cmdlist
, &show_logging_cmdlist
);
230 add_setshow_boolean_cmd ("debugredirect", class_support
,
231 &debug_redirect
, _("\
232 Set the logging debug output mode."), _("\
233 Show the logging debug output mode."), _("\
234 If debug redirect is off, debug will go to both the screen and the log file.\n\
235 If debug redirect is on, debug will go only to the log file."),
236 set_logging_redirect
,
237 show_logging_redirect
,
238 &set_logging_cmdlist
, &show_logging_cmdlist
);
239 add_setshow_filename_cmd ("file", class_support
, &logging_filename
, _("\
240 Set the current logfile."), _("\
241 Show the current logfile."), _("\
242 The logfile is used when directing GDB's output."),
244 show_logging_filename
,
245 &set_logging_cmdlist
, &show_logging_cmdlist
);
246 add_cmd ("on", class_support
, set_logging_on
,
247 _("Enable logging."), &set_logging_cmdlist
);
248 add_cmd ("off", class_support
, set_logging_off
,
249 _("Disable logging."), &set_logging_cmdlist
);
251 logging_filename
= xstrdup ("gdb.txt");