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c906108c | 1 | /* Top level stuff for GDB, the GNU debugger. |
4389a95a | 2 | |
3666a048 | 3 | Copyright (C) 1986-2021 Free Software Foundation, Inc. |
c906108c | 4 | |
c5aa993b | 5 | This file is part of GDB. |
c906108c | 6 | |
c5aa993b JM |
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 |
c5aa993b | 10 | (at your option) any later version. |
c906108c | 11 | |
c5aa993b JM |
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. | |
c906108c | 16 | |
c5aa993b | 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/>. */ |
c906108c SS |
19 | |
20 | #include "defs.h" | |
c906108c SS |
21 | #include "top.h" |
22 | #include "target.h" | |
23 | #include "inferior.h" | |
1adeb98a FN |
24 | #include "symfile.h" |
25 | #include "gdbcore.h" | |
c906108c SS |
26 | #include "getopt.h" |
27 | ||
28 | #include <sys/types.h> | |
53ce3c39 | 29 | #include <sys/stat.h> |
c906108c | 30 | #include <ctype.h> |
400b5eca | 31 | #include "gdbsupport/event-loop.h" |
8b93c638 | 32 | #include "ui-out.h" |
6457bd47 | 33 | |
4389a95a | 34 | #include "interps.h" |
f15ab4a7 | 35 | #include "main.h" |
29b0e8a2 | 36 | #include "source.h" |
4cc23ede | 37 | #include "cli/cli-cmds.h" |
7f6130ff | 38 | #include "objfiles.h" |
e2207b9a | 39 | #include "auto-load.h" |
bd712aed | 40 | #include "maint.h" |
29b0e8a2 | 41 | |
b5981e5a | 42 | #include "filenames.h" |
268a13a5 | 43 | #include "gdbsupport/filestuff.h" |
992c7d70 | 44 | #include <signal.h> |
94696ad3 | 45 | #include "event-top.h" |
98880d46 | 46 | #include "infrun.h" |
268a13a5 | 47 | #include "gdbsupport/signals-state-save-restore.h" |
ed2a2229 | 48 | #include <algorithm> |
f60ee22e | 49 | #include <vector> |
268a13a5 | 50 | #include "gdbsupport/pathstuff.h" |
ee2bcb0c | 51 | #include "cli/cli-style.h" |
26344e0c CB |
52 | #ifdef GDBTK |
53 | #include "gdbtk/generic/gdbtk.h" | |
54 | #endif | |
c3efb965 | 55 | #include "gdbsupport/alt-stack.h" |
58cf28e8 | 56 | #include "observable.h" |
16e9019e | 57 | #include "serial.h" |
b5981e5a | 58 | |
4389a95a AC |
59 | /* The selected interpreter. This will be used as a set command |
60 | variable, so it should always be malloc'ed - since | |
371d5dec | 61 | do_setshow_command will free it. */ |
fb40c209 | 62 | char *interpreter_p; |
fb40c209 | 63 | |
371d5dec | 64 | /* Whether dbx commands will be handled. */ |
c906108c SS |
65 | int dbx_commands = 0; |
66 | ||
030292b7 DJ |
67 | /* System root path, used to find libraries etc. */ |
68 | char *gdb_sysroot = 0; | |
69 | ||
b14b1491 | 70 | /* GDB datadir, used to store data files. */ |
f2aec7f6 | 71 | std::string gdb_datadir; |
b14b1491 | 72 | |
e64e0392 DE |
73 | /* Non-zero if GDB_DATADIR was provided on the command line. |
74 | This doesn't track whether data-directory is set later from the | |
75 | command line, but we don't reread system.gdbinit when that happens. */ | |
76 | static int gdb_datadir_provided = 0; | |
77 | ||
0c4a4063 DE |
78 | /* If gdb was configured with --with-python=/path, |
79 | the possibly relocated path to python's lib directory. */ | |
f2aec7f6 | 80 | std::string python_libdir; |
0c4a4063 | 81 | |
371d5dec | 82 | /* Target IO streams. */ |
449092f6 | 83 | struct ui_file *gdb_stdtargin; |
22e8e3c7 | 84 | struct ui_file *gdb_stdtarg; |
449092f6 | 85 | struct ui_file *gdb_stdtargerr; |
c906108c | 86 | |
7c953934 TT |
87 | /* True if --batch or --batch-silent was seen. */ |
88 | int batch_flag = 0; | |
89 | ||
1a088d06 AS |
90 | /* Support for the --batch-silent option. */ |
91 | int batch_silent = 0; | |
92 | ||
4b0ad762 AS |
93 | /* Support for --return-child-result option. |
94 | Set the default to -1 to return error in the case | |
95 | that the program does not run or does not complete. */ | |
96 | int return_child_result = 0; | |
97 | int return_child_result_value = -1; | |
98 | ||
c906108c | 99 | |
16e7150e JG |
100 | /* GDB as it has been invoked from the command line (i.e. argv[0]). */ |
101 | static char *gdb_program_name; | |
102 | ||
c88a1531 AB |
103 | /* Return read only pointer to GDB_PROGRAM_NAME. */ |
104 | const char * | |
105 | get_gdb_program_name (void) | |
106 | { | |
107 | return gdb_program_name; | |
108 | } | |
109 | ||
d9fcf2fb | 110 | static void print_gdb_help (struct ui_file *); |
c906108c | 111 | |
8d551b02 DE |
112 | /* Set the data-directory parameter to NEW_DATADIR. |
113 | If NEW_DATADIR is not a directory then a warning is printed. | |
114 | We don't signal an error for backward compatibility. */ | |
115 | ||
116 | void | |
117 | set_gdb_data_directory (const char *new_datadir) | |
118 | { | |
119 | struct stat st; | |
120 | ||
121 | if (stat (new_datadir, &st) < 0) | |
122 | { | |
123 | int save_errno = errno; | |
124 | ||
125 | fprintf_unfiltered (gdb_stderr, "Warning: "); | |
126 | print_sys_errmsg (new_datadir, save_errno); | |
127 | } | |
128 | else if (!S_ISDIR (st.st_mode)) | |
6ec1d75e PW |
129 | warning (_("%ps is not a directory."), |
130 | styled_string (file_name_style.style (), new_datadir)); | |
8d551b02 | 131 | |
f2aec7f6 | 132 | gdb_datadir = gdb_realpath (new_datadir).get (); |
8d551b02 DE |
133 | |
134 | /* gdb_realpath won't return an absolute path if the path doesn't exist, | |
135 | but we still want to record an absolute path here. If the user entered | |
136 | "../foo" and "../foo" doesn't exist then we'll record $(pwd)/../foo which | |
137 | isn't canonical, but that's ok. */ | |
f2aec7f6 | 138 | if (!IS_ABSOLUTE_PATH (gdb_datadir.c_str ())) |
8d551b02 | 139 | { |
f2aec7f6 | 140 | gdb::unique_xmalloc_ptr<char> abs_datadir |
dda83cd7 | 141 | = gdb_abspath (gdb_datadir.c_str ()); |
8d551b02 | 142 | |
f2aec7f6 | 143 | gdb_datadir = abs_datadir.get (); |
8d551b02 DE |
144 | } |
145 | } | |
146 | ||
b14b1491 TT |
147 | /* Relocate a file or directory. PROGNAME is the name by which gdb |
148 | was invoked (i.e., argv[0]). INITIAL is the default value for the | |
ead0e69a | 149 | file or directory. RELOCATABLE is true if the value is relocatable, |
f2aec7f6 CB |
150 | false otherwise. This may return an empty string under the same |
151 | conditions as make_relative_prefix returning NULL. */ | |
478aac75 | 152 | |
f2aec7f6 | 153 | static std::string |
ead0e69a | 154 | relocate_path (const char *progname, const char *initial, bool relocatable) |
b14b1491 | 155 | { |
ead0e69a | 156 | if (relocatable) |
f2aec7f6 CB |
157 | { |
158 | gdb::unique_xmalloc_ptr<char> str (make_relative_prefix (progname, | |
159 | BINDIR, | |
160 | initial)); | |
161 | if (str != nullptr) | |
162 | return str.get (); | |
163 | return std::string (); | |
164 | } | |
165 | return initial; | |
b14b1491 TT |
166 | } |
167 | ||
168 | /* Like relocate_path, but specifically checks for a directory. | |
169 | INITIAL is relocated according to the rules of relocate_path. If | |
170 | the result is a directory, it is used; otherwise, INITIAL is used. | |
f2aec7f6 | 171 | The chosen directory is then canonicalized using lrealpath. */ |
478aac75 | 172 | |
f2aec7f6 | 173 | std::string |
ead0e69a | 174 | relocate_gdb_directory (const char *initial, bool relocatable) |
b14b1491 | 175 | { |
f2aec7f6 CB |
176 | std::string dir = relocate_path (gdb_program_name, initial, relocatable); |
177 | if (!dir.empty ()) | |
b14b1491 TT |
178 | { |
179 | struct stat s; | |
180 | ||
f2aec7f6 | 181 | if (stat (dir.c_str (), &s) != 0 || !S_ISDIR (s.st_mode)) |
b14b1491 | 182 | { |
f2aec7f6 | 183 | dir.clear (); |
b14b1491 TT |
184 | } |
185 | } | |
f2aec7f6 CB |
186 | if (dir.empty ()) |
187 | dir = initial; | |
b14b1491 TT |
188 | |
189 | /* Canonicalize the directory. */ | |
f2aec7f6 | 190 | if (!dir.empty ()) |
b14b1491 | 191 | { |
f2aec7f6 | 192 | gdb::unique_xmalloc_ptr<char> canon_sysroot (lrealpath (dir.c_str ())); |
b8d56208 | 193 | |
b14b1491 | 194 | if (canon_sysroot) |
f2aec7f6 | 195 | dir = canon_sysroot.get (); |
b14b1491 TT |
196 | } |
197 | ||
198 | return dir; | |
199 | } | |
200 | ||
9224a013 CB |
201 | /* Given a gdbinit path in FILE, adjusts it according to the gdb_datadir |
202 | parameter if it is in the data dir, or passes it through relocate_path | |
203 | otherwise. */ | |
204 | ||
205 | static std::string | |
54b4dcc5 AB |
206 | relocate_file_path_maybe_in_datadir (const std::string &file, |
207 | bool relocatable) | |
9224a013 CB |
208 | { |
209 | size_t datadir_len = strlen (GDB_DATADIR); | |
210 | ||
211 | std::string relocated_path; | |
212 | ||
213 | /* If SYSTEM_GDBINIT lives in data-directory, and data-directory | |
214 | has been provided, search for SYSTEM_GDBINIT there. */ | |
215 | if (gdb_datadir_provided | |
216 | && datadir_len < file.length () | |
217 | && filename_ncmp (file.c_str (), GDB_DATADIR, datadir_len) == 0 | |
218 | && IS_DIR_SEPARATOR (file[datadir_len])) | |
219 | { | |
220 | /* Append the part of SYSTEM_GDBINIT that follows GDB_DATADIR | |
221 | to gdb_datadir. */ | |
222 | ||
223 | size_t start = datadir_len; | |
224 | for (; IS_DIR_SEPARATOR (file[start]); ++start) | |
225 | ; | |
cd7c32c3 | 226 | relocated_path = gdb_datadir + SLASH_STRING + file.substr (start); |
9224a013 CB |
227 | } |
228 | else | |
229 | { | |
ed2a2229 CB |
230 | relocated_path = relocate_path (gdb_program_name, file.c_str (), |
231 | relocatable); | |
9224a013 CB |
232 | } |
233 | return relocated_path; | |
234 | } | |
235 | ||
54b4dcc5 AB |
236 | /* A class to wrap up the logic for finding the three different types of |
237 | initialisation files GDB uses, system wide, home directory, and current | |
238 | working directory. */ | |
239 | ||
240 | class gdb_initfile_finder | |
16e7150e | 241 | { |
54b4dcc5 AB |
242 | public: |
243 | /* Constructor. Finds initialisation files named FILENAME in the home | |
244 | directory or local (current working) directory. System initialisation | |
245 | files are found in both SYSTEM_FILENAME and SYSTEM_DIRNAME if these | |
246 | are not nullptr (either or both can be). The matching *_RELOCATABLE | |
247 | flag is passed through to RELOCATE_FILE_PATH_MAYBE_IN_DATADIR. | |
248 | ||
249 | If FILENAME starts with a '.' then when looking in the home directory | |
250 | this first '.' can be ignored in some cases. */ | |
251 | explicit gdb_initfile_finder (const char *filename, | |
252 | const char *system_filename, | |
253 | bool system_filename_relocatable, | |
254 | const char *system_dirname, | |
255 | bool system_dirname_relocatable, | |
256 | bool lookup_local_file) | |
257 | { | |
258 | struct stat s; | |
16e7150e | 259 | |
54b4dcc5 AB |
260 | if (system_filename != nullptr && system_filename[0] != '\0') |
261 | { | |
262 | std::string relocated_filename | |
263 | = relocate_file_path_maybe_in_datadir (system_filename, | |
264 | system_filename_relocatable); | |
265 | if (!relocated_filename.empty () | |
266 | && stat (relocated_filename.c_str (), &s) == 0) | |
267 | m_system_files.push_back (relocated_filename); | |
268 | } | |
16e7150e | 269 | |
54b4dcc5 AB |
270 | if (system_dirname != nullptr && system_dirname[0] != '\0') |
271 | { | |
272 | std::string relocated_dirname | |
273 | = relocate_file_path_maybe_in_datadir (system_dirname, | |
274 | system_dirname_relocatable); | |
275 | if (!relocated_dirname.empty ()) | |
276 | { | |
277 | gdb_dir_up dir (opendir (relocated_dirname.c_str ())); | |
ed2a2229 CB |
278 | if (dir != nullptr) |
279 | { | |
280 | std::vector<std::string> files; | |
54b4dcc5 | 281 | while (true) |
ed2a2229 CB |
282 | { |
283 | struct dirent *ent = readdir (dir.get ()); | |
284 | if (ent == nullptr) | |
285 | break; | |
286 | std::string name (ent->d_name); | |
287 | if (name == "." || name == "..") | |
288 | continue; | |
54b4dcc5 AB |
289 | /* ent->d_type is not available on all systems |
290 | (e.g. mingw, Solaris), so we have to call stat(). */ | |
291 | std::string tmp_filename | |
292 | = relocated_dirname + SLASH_STRING + name; | |
293 | if (stat (tmp_filename.c_str (), &s) != 0 | |
ed2a2229 CB |
294 | || !S_ISREG (s.st_mode)) |
295 | continue; | |
296 | const struct extension_language_defn *extlang | |
54b4dcc5 | 297 | = get_ext_lang_of_file (tmp_filename.c_str ()); |
ed2a2229 | 298 | /* We effectively don't support "set script-extension |
54b4dcc5 AB |
299 | off/soft", because we are loading system init files |
300 | here, so it does not really make sense to depend on | |
301 | a setting. */ | |
ed2a2229 | 302 | if (extlang != nullptr && ext_lang_present_p (extlang)) |
54b4dcc5 | 303 | files.push_back (std::move (tmp_filename)); |
ed2a2229 CB |
304 | } |
305 | std::sort (files.begin (), files.end ()); | |
54b4dcc5 AB |
306 | m_system_files.insert (m_system_files.end (), |
307 | files.begin (), files.end ()); | |
ed2a2229 CB |
308 | } |
309 | } | |
54b4dcc5 | 310 | } |
16e7150e | 311 | |
16e7150e JG |
312 | /* If the .gdbinit file in the current directory is the same as |
313 | the $HOME/.gdbinit file, it should not be sourced. homebuf | |
025bb325 | 314 | and cwdbuf are used in that purpose. Make sure that the stats |
16e7150e JG |
315 | are zero in case one of them fails (this guarantees that they |
316 | won't match if either exists). */ | |
317 | ||
54b4dcc5 AB |
318 | struct stat homebuf, cwdbuf; |
319 | memset (&homebuf, 0, sizeof (struct stat)); | |
320 | memset (&cwdbuf, 0, sizeof (struct stat)); | |
16e7150e | 321 | |
54b4dcc5 | 322 | m_home_file = find_gdb_home_config_file (filename, &homebuf); |
16e7150e | 323 | |
54b4dcc5 AB |
324 | if (lookup_local_file && stat (filename, &cwdbuf) == 0) |
325 | { | |
326 | if (m_home_file.empty () | |
327 | || memcmp ((char *) &homebuf, (char *) &cwdbuf, | |
328 | sizeof (struct stat))) | |
329 | m_local_file = filename; | |
330 | } | |
331 | } | |
64aaad63 | 332 | |
54b4dcc5 AB |
333 | DISABLE_COPY_AND_ASSIGN (gdb_initfile_finder); |
334 | ||
335 | /* Return a list of system initialisation files. The list could be | |
336 | empty. */ | |
337 | const std::vector<std::string> &system_files () const | |
338 | { return m_system_files; } | |
339 | ||
340 | /* Return the path to the home initialisation file. The string can be | |
341 | empty if there is no such file. */ | |
342 | const std::string &home_file () const | |
343 | { return m_home_file; } | |
344 | ||
345 | /* Return the path to the local initialisation file. The string can be | |
346 | empty if there is no such file. */ | |
347 | const std::string &local_file () const | |
348 | { return m_local_file; } | |
349 | ||
350 | private: | |
351 | ||
352 | /* Vector of all system init files in the order they should be processed. | |
353 | Could be empty. */ | |
354 | std::vector<std::string> m_system_files; | |
355 | ||
356 | /* Initialization file from the home directory. Could be the empty | |
357 | string if there is no such file found. */ | |
358 | std::string m_home_file; | |
16e7150e | 359 | |
54b4dcc5 AB |
360 | /* Initialization file from the current working directory. Could be the |
361 | empty string if there is no such file found. */ | |
362 | std::string m_local_file; | |
363 | }; | |
364 | ||
365 | /* Compute the locations of init files that GDB should source and return | |
366 | them in SYSTEM_GDBINIT, HOME_GDBINIT, LOCAL_GDBINIT. The SYSTEM_GDBINIT | |
367 | can be returned as an empty vector, and HOME_GDBINIT and LOCAL_GDBINIT | |
368 | can be returned as empty strings if there is no init file of that | |
369 | type. */ | |
370 | ||
371 | static void | |
372 | get_init_files (std::vector<std::string> *system_gdbinit, | |
373 | std::string *home_gdbinit, | |
374 | std::string *local_gdbinit) | |
375 | { | |
376 | /* Cache the file lookup object so we only actually search for the files | |
377 | once. */ | |
378 | static gdb::optional<gdb_initfile_finder> init_files; | |
379 | if (!init_files.has_value ()) | |
380 | init_files.emplace (GDBINIT, SYSTEM_GDBINIT, SYSTEM_GDBINIT_RELOCATABLE, | |
381 | SYSTEM_GDBINIT_DIR, SYSTEM_GDBINIT_DIR_RELOCATABLE, | |
382 | true); | |
383 | ||
384 | *system_gdbinit = init_files->system_files (); | |
385 | *home_gdbinit = init_files->home_file (); | |
386 | *local_gdbinit = init_files->local_file (); | |
16e7150e JG |
387 | } |
388 | ||
92e4e97a AB |
389 | /* Compute the location of the early init file GDB should source and return |
390 | it in HOME_GDBEARLYINIT. HOME_GDBEARLYINIT could be returned as an | |
391 | empty string if there is no early init file found. */ | |
392 | ||
393 | static void | |
394 | get_earlyinit_files (std::string *home_gdbearlyinit) | |
395 | { | |
396 | /* Cache the file lookup object so we only actually search for the files | |
397 | once. */ | |
398 | static gdb::optional<gdb_initfile_finder> init_files; | |
399 | if (!init_files.has_value ()) | |
400 | init_files.emplace (GDBEARLYINIT, nullptr, false, nullptr, false, false); | |
401 | ||
402 | *home_gdbearlyinit = init_files->home_file (); | |
403 | } | |
404 | ||
58cf28e8 TT |
405 | /* Start up the event loop. This is the entry point to the event loop |
406 | from the command loop. */ | |
407 | ||
408 | static void | |
409 | start_event_loop () | |
410 | { | |
411 | /* Loop until there is nothing to do. This is the entry point to | |
412 | the event loop engine. gdb_do_one_event will process one event | |
413 | for each invocation. It blocks waiting for an event and then | |
414 | processes it. */ | |
415 | while (1) | |
416 | { | |
417 | int result = 0; | |
418 | ||
419 | try | |
420 | { | |
421 | result = gdb_do_one_event (); | |
422 | } | |
423 | catch (const gdb_exception &ex) | |
424 | { | |
425 | exception_print (gdb_stderr, ex); | |
426 | ||
427 | /* If any exception escaped to here, we better enable | |
428 | stdin. Otherwise, any command that calls async_disable_stdin, | |
429 | and then throws, will leave stdin inoperable. */ | |
430 | SWITCH_THRU_ALL_UIS () | |
431 | { | |
432 | async_enable_stdin (); | |
433 | } | |
434 | /* If we long-jumped out of do_one_event, we probably didn't | |
435 | get around to resetting the prompt, which leaves readline | |
436 | in a messed-up state. Reset it here. */ | |
437 | current_ui->prompt_state = PROMPT_NEEDED; | |
438 | gdb::observers::command_error.notify (); | |
439 | /* This call looks bizarre, but it is required. If the user | |
440 | entered a command that caused an error, | |
441 | after_char_processing_hook won't be called from | |
442 | rl_callback_read_char_wrapper. Using a cleanup there | |
443 | won't work, since we want this function to be called | |
444 | after a new prompt is printed. */ | |
445 | if (after_char_processing_hook) | |
446 | (*after_char_processing_hook) (); | |
447 | /* Maybe better to set a flag to be checked somewhere as to | |
448 | whether display the prompt or not. */ | |
449 | } | |
450 | ||
451 | if (result < 0) | |
452 | break; | |
453 | } | |
454 | ||
455 | /* We are done with the event loop. There are no more event sources | |
456 | to listen to. So we exit GDB. */ | |
457 | return; | |
458 | } | |
459 | ||
bf469271 | 460 | /* Call command_loop. */ |
11cf8741 | 461 | |
fcc8fb2f PA |
462 | /* Prevent inlining this function for the benefit of GDB's selftests |
463 | in the testsuite. Those tests want to run GDB under GDB and stop | |
464 | here. */ | |
465 | static void captured_command_loop () __attribute__((noinline)); | |
466 | ||
bf469271 PA |
467 | static void |
468 | captured_command_loop () | |
c906108c | 469 | { |
f38d3ad1 PA |
470 | struct ui *ui = current_ui; |
471 | ||
bb5291d0 | 472 | /* Top-level execution commands can be run in the background from |
b4a14fd0 | 473 | here on. */ |
cb814510 | 474 | current_ui->async = 1; |
b4a14fd0 | 475 | |
3b12939d PA |
476 | /* Give the interpreter a chance to print a prompt, if necessary */ |
477 | if (ui->prompt_state != PROMPT_BLOCKED) | |
478 | interp_pre_command_loop (top_level_interpreter ()); | |
b2d86570 PA |
479 | |
480 | /* Now it's time to start the event loop. */ | |
481 | start_event_loop (); | |
482 | ||
11cf8741 | 483 | /* If the command_loop returned, normally (rather than threw an |
bf469271 PA |
484 | error) we try to quit. If the quit is aborted, our caller |
485 | catches the signal and restarts the command loop. */ | |
268a799a | 486 | quit_command (NULL, ui->instream == ui->stdin_stream); |
11cf8741 JM |
487 | } |
488 | ||
013af3fc | 489 | /* Handle command errors thrown from within catch_command_errors. */ |
94696ad3 PA |
490 | |
491 | static int | |
94aeb44b | 492 | handle_command_errors (const struct gdb_exception &e) |
94696ad3 PA |
493 | { |
494 | if (e.reason < 0) | |
495 | { | |
496 | exception_print (gdb_stderr, e); | |
497 | ||
498 | /* If any exception escaped to here, we better enable stdin. | |
499 | Otherwise, any command that calls async_disable_stdin, and | |
500 | then throws, will leave stdin inoperable. */ | |
501 | async_enable_stdin (); | |
502 | return 0; | |
503 | } | |
504 | return 1; | |
505 | } | |
506 | ||
013af3fc TT |
507 | /* Type of the command callback passed to the const |
508 | catch_command_errors. */ | |
9d1e69a2 PA |
509 | |
510 | typedef void (catch_command_errors_const_ftype) (const char *, int); | |
511 | ||
95a6b0a1 | 512 | /* Wrap calls to commands run before the event loop is started. */ |
9d1e69a2 PA |
513 | |
514 | static int | |
013af3fc | 515 | catch_command_errors (catch_command_errors_const_ftype command, |
21e051b3 TBA |
516 | const char *arg, int from_tty, |
517 | bool do_bp_actions = false) | |
9d1e69a2 | 518 | { |
a70b8144 | 519 | try |
9d1e69a2 | 520 | { |
3b12939d | 521 | int was_sync = current_ui->prompt_state == PROMPT_BLOCKED; |
98880d46 | 522 | |
9d1e69a2 | 523 | command (arg, from_tty); |
98880d46 PA |
524 | |
525 | maybe_wait_sync_command_done (was_sync); | |
21e051b3 TBA |
526 | |
527 | /* Do any commands attached to breakpoint we stopped at. */ | |
528 | if (do_bp_actions) | |
529 | bpstat_do_actions (); | |
9d1e69a2 | 530 | } |
230d2906 | 531 | catch (const gdb_exception &e) |
492d29ea PA |
532 | { |
533 | return handle_command_errors (e); | |
534 | } | |
492d29ea PA |
535 | |
536 | return 1; | |
9d1e69a2 PA |
537 | } |
538 | ||
ecf45d2c SL |
539 | /* Adapter for symbol_file_add_main that translates 'from_tty' to a |
540 | symfile_add_flags. */ | |
541 | ||
542 | static void | |
543 | symbol_file_add_main_adapter (const char *arg, int from_tty) | |
544 | { | |
545 | symfile_add_flags add_flags = 0; | |
546 | ||
547 | if (from_tty) | |
548 | add_flags |= SYMFILE_VERBOSE; | |
549 | ||
550 | symbol_file_add_main (arg, add_flags); | |
551 | } | |
552 | ||
97cbe998 SDJ |
553 | /* Perform validation of the '--readnow' and '--readnever' flags. */ |
554 | ||
555 | static void | |
556 | validate_readnow_readnever () | |
557 | { | |
558 | if (readnever_symbol_files && readnow_symbol_files) | |
559 | { | |
560 | error (_("%s: '--readnow' and '--readnever' cannot be " | |
561 | "specified simultaneously"), | |
562 | gdb_program_name); | |
563 | } | |
564 | } | |
565 | ||
52059ffd TT |
566 | /* Type of this option. */ |
567 | enum cmdarg_kind | |
568 | { | |
569 | /* Option type -x. */ | |
570 | CMDARG_FILE, | |
26743505 | 571 | |
52059ffd TT |
572 | /* Option type -ex. */ |
573 | CMDARG_COMMAND, | |
8320cc4f | 574 | |
52059ffd TT |
575 | /* Option type -ix. */ |
576 | CMDARG_INIT_FILE, | |
8569d6e1 | 577 | |
52059ffd | 578 | /* Option type -iex. */ |
92e4e97a AB |
579 | CMDARG_INIT_COMMAND, |
580 | ||
8569d6e1 | 581 | /* Option type -eix. */ |
92e4e97a AB |
582 | CMDARG_EARLYINIT_FILE, |
583 | ||
8569d6e1 | 584 | /* Option type -eiex. */ |
92e4e97a | 585 | CMDARG_EARLYINIT_COMMAND |
52059ffd TT |
586 | }; |
587 | ||
588 | /* Arguments of --command option and its counterpart. */ | |
7a63494a PA |
589 | struct cmdarg |
590 | { | |
591 | cmdarg (cmdarg_kind type_, char *string_) | |
592 | : type (type_), string (string_) | |
593 | {} | |
594 | ||
52059ffd TT |
595 | /* Type of this option. */ |
596 | enum cmdarg_kind type; | |
26743505 JK |
597 | |
598 | /* Value of this option - filename or the GDB command itself. String memory | |
599 | is not owned by this structure despite it is 'const'. */ | |
600 | char *string; | |
f60ee22e | 601 | }; |
26743505 | 602 | |
74d877e5 AB |
603 | /* From CMDARG_VEC execute command files (matching FILE_TYPE) or commands |
604 | (matching CMD_TYPE). Update the value in *RET if and scripts or | |
605 | commands are executed. */ | |
606 | ||
607 | static void | |
608 | execute_cmdargs (const std::vector<struct cmdarg> *cmdarg_vec, | |
609 | cmdarg_kind file_type, cmdarg_kind cmd_type, | |
610 | int *ret) | |
611 | { | |
612 | for (const auto &cmdarg_p : *cmdarg_vec) | |
613 | { | |
614 | if (cmdarg_p.type == file_type) | |
615 | *ret = catch_command_errors (source_script, cmdarg_p.string, | |
616 | !batch_flag); | |
617 | else if (cmdarg_p.type == cmd_type) | |
618 | *ret = catch_command_errors (execute_command, cmdarg_p.string, | |
21e051b3 | 619 | !batch_flag, true); |
74d877e5 AB |
620 | } |
621 | } | |
622 | ||
1e3b796d TT |
623 | static void |
624 | captured_main_1 (struct captured_main_args *context) | |
11cf8741 | 625 | { |
11cf8741 JM |
626 | int argc = context->argc; |
627 | char **argv = context->argv; | |
1e3b796d | 628 | |
c906108c | 629 | static int quiet = 0; |
552c04a7 | 630 | static int set_args = 0; |
07540c15 | 631 | static int inhibit_home_gdbinit = 0; |
c906108c SS |
632 | |
633 | /* Pointers to various arguments from command line. */ | |
634 | char *symarg = NULL; | |
635 | char *execarg = NULL; | |
a4d9b460 | 636 | char *pidarg = NULL; |
c906108c | 637 | char *corearg = NULL; |
a4d9b460 | 638 | char *pid_or_core_arg = NULL; |
c906108c SS |
639 | char *cdarg = NULL; |
640 | char *ttyarg = NULL; | |
641 | ||
371d5dec MS |
642 | /* These are static so that we can take their address in an |
643 | initializer. */ | |
c906108c SS |
644 | static int print_help; |
645 | static int print_version; | |
6eaaf48b | 646 | static int print_configuration; |
c906108c SS |
647 | |
648 | /* Pointers to all arguments of --command option. */ | |
f60ee22e | 649 | std::vector<struct cmdarg> cmdarg_vec; |
c906108c | 650 | |
f60ee22e TT |
651 | /* All arguments of --directory option. */ |
652 | std::vector<char *> dirarg; | |
c5aa993b | 653 | |
52f0bd74 | 654 | int i; |
88a1906b | 655 | int save_auto_load; |
b0f492b9 | 656 | int ret = 1; |
c906108c | 657 | |
6242c6a6 | 658 | #ifdef HAVE_USEFUL_SBRK |
1e3b796d | 659 | /* Set this before constructing scoped_command_stats. */ |
e565b837 DE |
660 | lim_at_start = (char *) sbrk (0); |
661 | #endif | |
662 | ||
1e3b796d | 663 | scoped_command_stats stat_reporter (false); |
c906108c | 664 | |
0fbb3da7 TT |
665 | #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) |
666 | setlocale (LC_MESSAGES, ""); | |
667 | #endif | |
668 | #if defined (HAVE_SETLOCALE) | |
669 | setlocale (LC_CTYPE, ""); | |
670 | #endif | |
66797541 | 671 | #ifdef ENABLE_NLS |
0fbb3da7 TT |
672 | bindtextdomain (PACKAGE, LOCALEDIR); |
673 | textdomain (PACKAGE); | |
66797541 | 674 | #endif |
0fbb3da7 | 675 | |
614c279d | 676 | notice_open_fds (); |
5484b13a | 677 | |
ffa4ac95 YQ |
678 | #ifdef __MINGW32__ |
679 | /* Ensure stderr is unbuffered. A Cygwin pty or pipe is implemented | |
680 | as a Windows pipe, and Windows buffers on pipes. */ | |
681 | setvbuf (stderr, NULL, _IONBF, BUFSIZ); | |
682 | #endif | |
683 | ||
4d5d1049 TT |
684 | /* Note: `error' cannot be called before this point, because the |
685 | caller will crash when trying to print the exception. */ | |
895b8f30 | 686 | main_ui = new ui (stdin, stdout, stderr); |
98d9f24e | 687 | current_ui = main_ui; |
ffa4ac95 | 688 | |
449092f6 CV |
689 | gdb_stdtargerr = gdb_stderr; /* for moment */ |
690 | gdb_stdtargin = gdb_stdin; /* for moment */ | |
c906108c | 691 | |
4d5d1049 TT |
692 | if (bfd_init () != BFD_INIT_MAGIC) |
693 | error (_("fatal error: libbfd ABI mismatch")); | |
694 | ||
b5981e5a EZ |
695 | #ifdef __MINGW32__ |
696 | /* On Windows, argv[0] is not necessarily set to absolute form when | |
697 | GDB is found along PATH, without which relocation doesn't work. */ | |
698 | gdb_program_name = windows_get_absolute_argv0 (argv[0]); | |
699 | #else | |
16e7150e | 700 | gdb_program_name = xstrdup (argv[0]); |
b5981e5a | 701 | #endif |
16e7150e | 702 | |
075c7033 | 703 | /* Prefix warning messages with the command name. */ |
69bbf465 PA |
704 | gdb::unique_xmalloc_ptr<char> tmp_warn_preprint |
705 | (xstrprintf ("%s: warning: ", gdb_program_name)); | |
706 | warning_pre_print = tmp_warn_preprint.get (); | |
075c7033 | 707 | |
43573013 SDJ |
708 | current_directory = getcwd (NULL, 0); |
709 | if (current_directory == NULL) | |
075c7033 GB |
710 | perror_warning_with_name (_("error finding working directory")); |
711 | ||
030292b7 | 712 | /* Set the sysroot path. */ |
f2aec7f6 CB |
713 | gdb_sysroot |
714 | = xstrdup (relocate_gdb_directory (TARGET_SYSTEM_ROOT, | |
715 | TARGET_SYSTEM_ROOT_RELOCATABLE).c_str ()); | |
030292b7 | 716 | |
f2aec7f6 | 717 | if (*gdb_sysroot == '\0') |
fed040c6 GB |
718 | { |
719 | xfree (gdb_sysroot); | |
720 | gdb_sysroot = xstrdup (TARGET_SYSROOT_PREFIX); | |
721 | } | |
722 | ||
f2aec7f6 CB |
723 | debug_file_directory |
724 | = xstrdup (relocate_gdb_directory (DEBUGDIR, | |
725 | DEBUGDIR_RELOCATABLE).c_str ()); | |
030292b7 | 726 | |
cd7c32c3 PW |
727 | gdb_datadir = relocate_gdb_directory (GDB_DATADIR, |
728 | GDB_DATADIR_RELOCATABLE); | |
aa28a74e | 729 | |
d13c7322 AB |
730 | #ifdef WITH_PYTHON_LIBDIR |
731 | python_libdir = relocate_gdb_directory (WITH_PYTHON_LIBDIR, | |
732 | PYTHON_LIBDIR_RELOCATABLE); | |
0c4a4063 DE |
733 | #endif |
734 | ||
29b0e8a2 JM |
735 | #ifdef RELOC_SRCDIR |
736 | add_substitute_path_rule (RELOC_SRCDIR, | |
b5981e5a | 737 | make_relative_prefix (gdb_program_name, BINDIR, |
29b0e8a2 JM |
738 | RELOC_SRCDIR)); |
739 | #endif | |
740 | ||
4389a95a | 741 | /* There will always be an interpreter. Either the one passed into |
e46e5ccd KS |
742 | this captured main, or one specified by the user at start up, or |
743 | the console. Initialize the interpreter to the one requested by | |
744 | the application. */ | |
11bf1490 | 745 | interpreter_p = xstrdup (context->interpreter_p); |
4389a95a | 746 | |
c906108c SS |
747 | /* Parse arguments and options. */ |
748 | { | |
749 | int c; | |
750 | /* When var field is 0, use flag field to record the equivalent | |
751 | short option (or arbitrary numbers starting at 10 for those | |
752 | with no equivalent). */ | |
49c7e338 AC |
753 | enum { |
754 | OPT_SE = 10, | |
755 | OPT_CD, | |
756 | OPT_ANNOTATE, | |
757 | OPT_STATISTICS, | |
42fa7c0f AC |
758 | OPT_TUI, |
759 | OPT_NOWINDOWS, | |
8320cc4f JK |
760 | OPT_WINDOWS, |
761 | OPT_IX, | |
97cbe998 | 762 | OPT_IEX, |
92e4e97a AB |
763 | OPT_EIX, |
764 | OPT_EIEX, | |
97cbe998 SDJ |
765 | OPT_READNOW, |
766 | OPT_READNEVER | |
49c7e338 | 767 | }; |
491144b5 CB |
768 | /* This struct requires int* in the struct, but write_files is a bool. |
769 | So use this temporary int that we write back after argument parsing. */ | |
770 | int write_files_1 = 0; | |
c906108c | 771 | static struct option long_options[] = |
c5aa993b | 772 | { |
49c7e338 | 773 | {"tui", no_argument, 0, OPT_TUI}, |
c5aa993b | 774 | {"dbx", no_argument, &dbx_commands, 1}, |
97cbe998 SDJ |
775 | {"readnow", no_argument, NULL, OPT_READNOW}, |
776 | {"readnever", no_argument, NULL, OPT_READNEVER}, | |
777 | {"r", no_argument, NULL, OPT_READNOW}, | |
c5aa993b JM |
778 | {"quiet", no_argument, &quiet, 1}, |
779 | {"q", no_argument, &quiet, 1}, | |
780 | {"silent", no_argument, &quiet, 1}, | |
07540c15 | 781 | {"nh", no_argument, &inhibit_home_gdbinit, 1}, |
c5aa993b JM |
782 | {"nx", no_argument, &inhibit_gdbinit, 1}, |
783 | {"n", no_argument, &inhibit_gdbinit, 1}, | |
1a088d06 | 784 | {"batch-silent", no_argument, 0, 'B'}, |
7c953934 | 785 | {"batch", no_argument, &batch_flag, 1}, |
c5aa993b | 786 | |
371d5dec MS |
787 | /* This is a synonym for "--annotate=1". --annotate is now |
788 | preferred, but keep this here for a long time because people | |
789 | will be running emacses which use --fullname. */ | |
c5aa993b JM |
790 | {"fullname", no_argument, 0, 'f'}, |
791 | {"f", no_argument, 0, 'f'}, | |
792 | ||
49c7e338 | 793 | {"annotate", required_argument, 0, OPT_ANNOTATE}, |
c5aa993b | 794 | {"help", no_argument, &print_help, 1}, |
49c7e338 | 795 | {"se", required_argument, 0, OPT_SE}, |
c5aa993b JM |
796 | {"symbols", required_argument, 0, 's'}, |
797 | {"s", required_argument, 0, 's'}, | |
798 | {"exec", required_argument, 0, 'e'}, | |
799 | {"e", required_argument, 0, 'e'}, | |
800 | {"core", required_argument, 0, 'c'}, | |
801 | {"c", required_argument, 0, 'c'}, | |
00546b04 MS |
802 | {"pid", required_argument, 0, 'p'}, |
803 | {"p", required_argument, 0, 'p'}, | |
c5aa993b | 804 | {"command", required_argument, 0, 'x'}, |
8a5a3c82 | 805 | {"eval-command", required_argument, 0, 'X'}, |
c5aa993b | 806 | {"version", no_argument, &print_version, 1}, |
6eaaf48b | 807 | {"configuration", no_argument, &print_configuration, 1}, |
c5aa993b | 808 | {"x", required_argument, 0, 'x'}, |
8a5a3c82 | 809 | {"ex", required_argument, 0, 'X'}, |
8320cc4f JK |
810 | {"init-command", required_argument, 0, OPT_IX}, |
811 | {"init-eval-command", required_argument, 0, OPT_IEX}, | |
812 | {"ix", required_argument, 0, OPT_IX}, | |
813 | {"iex", required_argument, 0, OPT_IEX}, | |
92e4e97a AB |
814 | {"early-init-command", required_argument, 0, OPT_EIX}, |
815 | {"early-init-eval-command", required_argument, 0, OPT_EIEX}, | |
816 | {"eix", required_argument, 0, OPT_EIX}, | |
817 | {"eiex", required_argument, 0, OPT_EIEX}, | |
3fc11d3e JM |
818 | #ifdef GDBTK |
819 | {"tclcommand", required_argument, 0, 'z'}, | |
820 | {"enable-external-editor", no_argument, 0, 'y'}, | |
821 | {"editor-command", required_argument, 0, 'w'}, | |
822 | #endif | |
8b93c638 JM |
823 | {"ui", required_argument, 0, 'i'}, |
824 | {"interpreter", required_argument, 0, 'i'}, | |
825 | {"i", required_argument, 0, 'i'}, | |
c5aa993b | 826 | {"directory", required_argument, 0, 'd'}, |
c4093a6a | 827 | {"d", required_argument, 0, 'd'}, |
aae1c79a | 828 | {"data-directory", required_argument, 0, 'D'}, |
8d551b02 | 829 | {"D", required_argument, 0, 'D'}, |
49c7e338 | 830 | {"cd", required_argument, 0, OPT_CD}, |
c5aa993b JM |
831 | {"tty", required_argument, 0, 't'}, |
832 | {"baud", required_argument, 0, 'b'}, | |
833 | {"b", required_argument, 0, 'b'}, | |
42fa7c0f AC |
834 | {"nw", no_argument, NULL, OPT_NOWINDOWS}, |
835 | {"nowindows", no_argument, NULL, OPT_NOWINDOWS}, | |
836 | {"w", no_argument, NULL, OPT_WINDOWS}, | |
837 | {"windows", no_argument, NULL, OPT_WINDOWS}, | |
49c7e338 | 838 | {"statistics", no_argument, 0, OPT_STATISTICS}, |
491144b5 | 839 | {"write", no_argument, &write_files_1, 1}, |
552c04a7 | 840 | {"args", no_argument, &set_args, 1}, |
39c76ca3 | 841 | {"l", required_argument, 0, 'l'}, |
4b0ad762 | 842 | {"return-child-result", no_argument, &return_child_result, 1}, |
c5aa993b JM |
843 | {0, no_argument, 0, 0} |
844 | }; | |
c906108c SS |
845 | |
846 | while (1) | |
847 | { | |
848 | int option_index; | |
849 | ||
850 | c = getopt_long_only (argc, argv, "", | |
851 | long_options, &option_index); | |
552c04a7 | 852 | if (c == EOF || set_args) |
c906108c SS |
853 | break; |
854 | ||
855 | /* Long option that takes an argument. */ | |
856 | if (c == 0 && long_options[option_index].flag == 0) | |
857 | c = long_options[option_index].val; | |
858 | ||
859 | switch (c) | |
860 | { | |
861 | case 0: | |
862 | /* Long option that just sets a flag. */ | |
863 | break; | |
49c7e338 | 864 | case OPT_SE: |
c906108c SS |
865 | symarg = optarg; |
866 | execarg = optarg; | |
867 | break; | |
49c7e338 | 868 | case OPT_CD: |
c906108c SS |
869 | cdarg = optarg; |
870 | break; | |
49c7e338 | 871 | case OPT_ANNOTATE: |
c906108c SS |
872 | /* FIXME: what if the syntax is wrong (e.g. not digits)? */ |
873 | annotation_level = atoi (optarg); | |
874 | break; | |
49c7e338 | 875 | case OPT_STATISTICS: |
c906108c | 876 | /* Enable the display of both time and space usage. */ |
bd712aed DE |
877 | set_per_command_time (1); |
878 | set_per_command_space (1); | |
c906108c | 879 | break; |
49c7e338 | 880 | case OPT_TUI: |
021e7609 | 881 | /* --tui is equivalent to -i=tui. */ |
b0da54f1 | 882 | #ifdef TUI |
021e7609 | 883 | xfree (interpreter_p); |
cc4349ed | 884 | interpreter_p = xstrdup (INTERP_TUI); |
b0da54f1 | 885 | #else |
91b35fd0 | 886 | error (_("%s: TUI mode is not supported"), gdb_program_name); |
b0da54f1 | 887 | #endif |
021e7609 | 888 | break; |
42fa7c0f AC |
889 | case OPT_WINDOWS: |
890 | /* FIXME: cagney/2003-03-01: Not sure if this option is | |
dda83cd7 | 891 | actually useful, and if it is, what it should do. */ |
cc4349ed AS |
892 | #ifdef GDBTK |
893 | /* --windows is equivalent to -i=insight. */ | |
894 | xfree (interpreter_p); | |
895 | interpreter_p = xstrdup (INTERP_INSIGHT); | |
896 | #endif | |
42fa7c0f AC |
897 | break; |
898 | case OPT_NOWINDOWS: | |
899 | /* -nw is equivalent to -i=console. */ | |
900 | xfree (interpreter_p); | |
901 | interpreter_p = xstrdup (INTERP_CONSOLE); | |
42fa7c0f | 902 | break; |
c906108c SS |
903 | case 'f': |
904 | annotation_level = 1; | |
c906108c SS |
905 | break; |
906 | case 's': | |
907 | symarg = optarg; | |
908 | break; | |
909 | case 'e': | |
910 | execarg = optarg; | |
911 | break; | |
912 | case 'c': | |
913 | corearg = optarg; | |
914 | break; | |
00546b04 | 915 | case 'p': |
a4d9b460 | 916 | pidarg = optarg; |
00546b04 | 917 | break; |
c906108c | 918 | case 'x': |
7a63494a | 919 | cmdarg_vec.emplace_back (CMDARG_FILE, optarg); |
8a5a3c82 AS |
920 | break; |
921 | case 'X': | |
7a63494a | 922 | cmdarg_vec.emplace_back (CMDARG_COMMAND, optarg); |
26743505 | 923 | break; |
8320cc4f | 924 | case OPT_IX: |
7a63494a | 925 | cmdarg_vec.emplace_back (CMDARG_INIT_FILE, optarg); |
8320cc4f JK |
926 | break; |
927 | case OPT_IEX: | |
7a63494a | 928 | cmdarg_vec.emplace_back (CMDARG_INIT_COMMAND, optarg); |
c906108c | 929 | break; |
92e4e97a AB |
930 | case OPT_EIX: |
931 | cmdarg_vec.emplace_back (CMDARG_EARLYINIT_FILE, optarg); | |
932 | break; | |
933 | case OPT_EIEX: | |
934 | cmdarg_vec.emplace_back (CMDARG_EARLYINIT_COMMAND, optarg); | |
935 | break; | |
1a088d06 | 936 | case 'B': |
7c953934 | 937 | batch_flag = batch_silent = 1; |
d7e74731 | 938 | gdb_stdout = new null_file (); |
1a088d06 | 939 | break; |
aae1c79a | 940 | case 'D': |
8d551b02 | 941 | if (optarg[0] == '\0') |
91b35fd0 GB |
942 | error (_("%s: empty path for `--data-directory'"), |
943 | gdb_program_name); | |
8d551b02 | 944 | set_gdb_data_directory (optarg); |
e64e0392 | 945 | gdb_datadir_provided = 1; |
aae1c79a | 946 | break; |
3fc11d3e JM |
947 | #ifdef GDBTK |
948 | case 'z': | |
949 | { | |
3fc11d3e | 950 | if (!gdbtk_test (optarg)) |
91b35fd0 GB |
951 | error (_("%s: unable to load tclcommand file \"%s\""), |
952 | gdb_program_name, optarg); | |
3fc11d3e JM |
953 | break; |
954 | } | |
955 | case 'y': | |
78f49586 TT |
956 | /* Backwards compatibility only. */ |
957 | break; | |
3fc11d3e JM |
958 | case 'w': |
959 | { | |
3a9b40b6 JK |
960 | /* Set the external editor commands when gdb is farming out files |
961 | to be edited by another program. */ | |
3fc11d3e JM |
962 | external_editor_command = xstrdup (optarg); |
963 | break; | |
964 | } | |
965 | #endif /* GDBTK */ | |
fb40c209 | 966 | case 'i': |
4389a95a AC |
967 | xfree (interpreter_p); |
968 | interpreter_p = xstrdup (optarg); | |
fb40c209 | 969 | break; |
c906108c | 970 | case 'd': |
f60ee22e | 971 | dirarg.push_back (optarg); |
c906108c SS |
972 | break; |
973 | case 't': | |
974 | ttyarg = optarg; | |
975 | break; | |
976 | case 'q': | |
977 | quiet = 1; | |
978 | break; | |
979 | case 'b': | |
980 | { | |
b926417a | 981 | int rate; |
c906108c SS |
982 | char *p; |
983 | ||
b926417a TT |
984 | rate = strtol (optarg, &p, 0); |
985 | if (rate == 0 && p == optarg) | |
075c7033 GB |
986 | warning (_("could not set baud rate to `%s'."), |
987 | optarg); | |
c906108c | 988 | else |
b926417a | 989 | baud_rate = rate; |
c906108c | 990 | } |
dda83cd7 | 991 | break; |
c906108c SS |
992 | case 'l': |
993 | { | |
b926417a | 994 | int timeout; |
c906108c SS |
995 | char *p; |
996 | ||
b926417a TT |
997 | timeout = strtol (optarg, &p, 0); |
998 | if (timeout == 0 && p == optarg) | |
075c7033 GB |
999 | warning (_("could not set timeout limit to `%s'."), |
1000 | optarg); | |
c906108c | 1001 | else |
b926417a | 1002 | remote_timeout = timeout; |
c906108c SS |
1003 | } |
1004 | break; | |
1005 | ||
97cbe998 SDJ |
1006 | case OPT_READNOW: |
1007 | { | |
1008 | readnow_symbol_files = 1; | |
1009 | validate_readnow_readnever (); | |
1010 | } | |
1011 | break; | |
1012 | ||
1013 | case OPT_READNEVER: | |
1014 | { | |
1015 | readnever_symbol_files = 1; | |
1016 | validate_readnow_readnever (); | |
1017 | } | |
1018 | break; | |
1019 | ||
c906108c | 1020 | case '?': |
91b35fd0 GB |
1021 | error (_("Use `%s --help' for a complete list of options."), |
1022 | gdb_program_name); | |
c906108c SS |
1023 | } |
1024 | } | |
491144b5 | 1025 | write_files = (write_files_1 != 0); |
c906108c | 1026 | |
7c953934 | 1027 | if (batch_flag) |
ee2bcb0c AH |
1028 | { |
1029 | quiet = 1; | |
1030 | ||
1031 | /* Disable all output styling when running in batch mode. */ | |
1032 | cli_styling = 0; | |
1033 | } | |
c906108c SS |
1034 | } |
1035 | ||
e379cee6 PA |
1036 | save_original_signals_state (quiet); |
1037 | ||
992c7d70 | 1038 | /* Try to set up an alternate signal stack for SIGSEGV handlers. */ |
c3efb965 | 1039 | gdb::alternate_signal_stack signal_stack; |
992c7d70 | 1040 | |
f218b647 | 1041 | /* Initialize all files. */ |
a3b5ef3e | 1042 | gdb_init (); |
c906108c | 1043 | |
92e4e97a AB |
1044 | /* Process early init files and early init options from the command line. */ |
1045 | if (!inhibit_gdbinit) | |
1046 | { | |
1047 | std::string home_gdbearlyinit; | |
1048 | get_earlyinit_files (&home_gdbearlyinit); | |
1049 | if (!home_gdbearlyinit.empty () && !inhibit_home_gdbinit) | |
1050 | ret = catch_command_errors (source_script, | |
1051 | home_gdbearlyinit.c_str (), 0); | |
1052 | } | |
1053 | execute_cmdargs (&cmdarg_vec, CMDARG_EARLYINIT_FILE, | |
1054 | CMDARG_EARLYINIT_COMMAND, &ret); | |
1055 | ||
041ca48e AB |
1056 | /* Initialize the extension languages. */ |
1057 | ext_lang_initialization (); | |
1178f01a | 1058 | |
5809fbf2 TT |
1059 | /* Recheck if we're starting up quietly after processing the startup |
1060 | scripts and commands. */ | |
1061 | if (!quiet) | |
1062 | quiet = check_quiet_mode (); | |
1063 | ||
371d5dec MS |
1064 | /* Now that gdb_init has created the initial inferior, we're in |
1065 | position to set args for that inferior. */ | |
3f81c18a VP |
1066 | if (set_args) |
1067 | { | |
1068 | /* The remaining options are the command-line options for the | |
1069 | inferior. The first one is the sym/exec file, and the rest | |
1070 | are arguments. */ | |
1071 | if (optind >= argc) | |
91b35fd0 GB |
1072 | error (_("%s: `--args' specified but no program specified"), |
1073 | gdb_program_name); | |
1074 | ||
3f81c18a VP |
1075 | symarg = argv[optind]; |
1076 | execarg = argv[optind]; | |
1077 | ++optind; | |
1078 | set_inferior_args_vector (argc - optind, &argv[optind]); | |
1079 | } | |
1080 | else | |
1081 | { | |
1082 | /* OK, that's all the options. */ | |
1083 | ||
1084 | /* The first argument, if specified, is the name of the | |
1085 | executable. */ | |
1086 | if (optind < argc) | |
1087 | { | |
1088 | symarg = argv[optind]; | |
1089 | execarg = argv[optind]; | |
1090 | optind++; | |
1091 | } | |
1092 | ||
1093 | /* If the user hasn't already specified a PID or the name of a | |
1094 | core file, then a second optional argument is allowed. If | |
1095 | present, this argument should be interpreted as either a | |
1096 | PID or a core file, whichever works. */ | |
1097 | if (pidarg == NULL && corearg == NULL && optind < argc) | |
1098 | { | |
1099 | pid_or_core_arg = argv[optind]; | |
1100 | optind++; | |
1101 | } | |
1102 | ||
1103 | /* Any argument left on the command line is unexpected and | |
1104 | will be ignored. Inform the user. */ | |
1105 | if (optind < argc) | |
3e43a32a MS |
1106 | fprintf_unfiltered (gdb_stderr, |
1107 | _("Excess command line " | |
1108 | "arguments ignored. (%s%s)\n"), | |
3f81c18a VP |
1109 | argv[optind], |
1110 | (optind == argc - 1) ? "" : " ..."); | |
1111 | } | |
1112 | ||
025bb325 | 1113 | /* Lookup gdbinit files. Note that the gdbinit file name may be |
405feb71 | 1114 | overridden during file initialization, so get_init_files should be |
371d5dec | 1115 | called after gdb_init. */ |
ed2a2229 | 1116 | std::vector<std::string> system_gdbinit; |
f48cd836 CB |
1117 | std::string home_gdbinit; |
1118 | std::string local_gdbinit; | |
57a46001 JG |
1119 | get_init_files (&system_gdbinit, &home_gdbinit, &local_gdbinit); |
1120 | ||
c906108c | 1121 | /* Do these (and anything which might call wrap_here or *_filtered) |
4389a95a AC |
1122 | after initialize_all_files() but before the interpreter has been |
1123 | installed. Otherwize the help/version messages will be eaten by | |
1124 | the interpreter's output handler. */ | |
1125 | ||
c906108c SS |
1126 | if (print_version) |
1127 | { | |
c61b06a1 | 1128 | print_gdb_version (gdb_stdout, false); |
c906108c SS |
1129 | wrap_here (""); |
1130 | printf_filtered ("\n"); | |
1131 | exit (0); | |
1132 | } | |
1133 | ||
1134 | if (print_help) | |
1135 | { | |
1136 | print_gdb_help (gdb_stdout); | |
c906108c SS |
1137 | exit (0); |
1138 | } | |
1139 | ||
6eaaf48b EZ |
1140 | if (print_configuration) |
1141 | { | |
1142 | print_gdb_configuration (gdb_stdout); | |
1143 | wrap_here (""); | |
1144 | printf_filtered ("\n"); | |
1145 | exit (0); | |
1146 | } | |
1147 | ||
4389a95a AC |
1148 | /* FIXME: cagney/2003-02-03: The big hack (part 1 of 2) that lets |
1149 | GDB retain the old MI1 interpreter startup behavior. Output the | |
1150 | copyright message before the interpreter is installed. That way | |
1151 | it isn't encapsulated in MI output. */ | |
1152 | if (!quiet && strcmp (interpreter_p, INTERP_MI1) == 0) | |
1153 | { | |
371d5dec | 1154 | /* Print all the junk at the top, with trailing "..." if we are |
dda83cd7 | 1155 | about to read a symbol file (possibly slowly). */ |
c61b06a1 | 1156 | print_gdb_version (gdb_stdout, true); |
4389a95a AC |
1157 | if (symarg) |
1158 | printf_filtered (".."); | |
1159 | wrap_here (""); | |
e896d70e | 1160 | printf_filtered ("\n"); |
371d5dec MS |
1161 | gdb_flush (gdb_stdout); /* Force to screen during slow |
1162 | operations. */ | |
4389a95a AC |
1163 | } |
1164 | ||
4389a95a | 1165 | /* Install the default UI. All the interpreters should have had a |
371d5dec | 1166 | look at things by now. Initialize the default interpreter. */ |
60eb5395 | 1167 | set_top_level_interpreter (interpreter_p); |
4389a95a AC |
1168 | |
1169 | /* FIXME: cagney/2003-02-03: The big hack (part 2 of 2) that lets | |
1170 | GDB retain the old MI1 interpreter startup behavior. Output the | |
1171 | copyright message after the interpreter is installed when it is | |
1172 | any sane interpreter. */ | |
1173 | if (!quiet && !current_interp_named_p (INTERP_MI1)) | |
c906108c | 1174 | { |
371d5dec | 1175 | /* Print all the junk at the top, with trailing "..." if we are |
dda83cd7 | 1176 | about to read a symbol file (possibly slowly). */ |
c61b06a1 | 1177 | print_gdb_version (gdb_stdout, true); |
c906108c SS |
1178 | if (symarg) |
1179 | printf_filtered (".."); | |
c5aa993b | 1180 | wrap_here (""); |
e896d70e | 1181 | printf_filtered ("\n"); |
371d5dec MS |
1182 | gdb_flush (gdb_stdout); /* Force to screen during slow |
1183 | operations. */ | |
c906108c SS |
1184 | } |
1185 | ||
e896d70e | 1186 | /* Set off error and warning messages with a blank line. */ |
69bbf465 | 1187 | tmp_warn_preprint.reset (); |
defc6f8c | 1188 | warning_pre_print = _("\nwarning: "); |
c906108c | 1189 | |
16e7150e JG |
1190 | /* Read and execute the system-wide gdbinit file, if it exists. |
1191 | This is done *before* all the command line arguments are | |
1192 | processed; it sets global parameters, which are independent of | |
1193 | what file you are debugging or what directory you are in. */ | |
f48cd836 | 1194 | if (!system_gdbinit.empty () && !inhibit_gdbinit) |
ed2a2229 CB |
1195 | { |
1196 | for (const std::string &file : system_gdbinit) | |
1197 | ret = catch_command_errors (source_script, file.c_str (), 0); | |
1198 | } | |
16e7150e | 1199 | |
c906108c SS |
1200 | /* Read and execute $HOME/.gdbinit file, if it exists. This is done |
1201 | *before* all the command line arguments are processed; it sets | |
1202 | global parameters, which are independent of what file you are | |
1203 | debugging or what directory you are in. */ | |
c906108c | 1204 | |
f48cd836 CB |
1205 | if (!home_gdbinit.empty () && !inhibit_gdbinit && !inhibit_home_gdbinit) |
1206 | ret = catch_command_errors (source_script, home_gdbinit.c_str (), 0); | |
c906108c | 1207 | |
2d7b58e8 | 1208 | /* Process '-ix' and '-iex' options early. */ |
74d877e5 | 1209 | execute_cmdargs (&cmdarg_vec, CMDARG_INIT_FILE, CMDARG_INIT_COMMAND, &ret); |
2d7b58e8 | 1210 | |
c906108c SS |
1211 | /* Now perform all the actions indicated by the arguments. */ |
1212 | if (cdarg != NULL) | |
1213 | { | |
b0f492b9 | 1214 | ret = catch_command_errors (cd_command, cdarg, 0); |
c906108c | 1215 | } |
c906108c | 1216 | |
f60ee22e | 1217 | for (i = 0; i < dirarg.size (); i++) |
b0f492b9 | 1218 | ret = catch_command_errors (directory_switch, dirarg[i], 0); |
c906108c | 1219 | |
88a1906b | 1220 | /* Skip auto-loading section-specified scripts until we've sourced |
371d5dec MS |
1221 | local_gdbinit (which is often used to augment the source search |
1222 | path). */ | |
bf88dd68 JK |
1223 | save_auto_load = global_auto_load; |
1224 | global_auto_load = 0; | |
88a1906b | 1225 | |
c906108c SS |
1226 | if (execarg != NULL |
1227 | && symarg != NULL | |
5cb316ef | 1228 | && strcmp (execarg, symarg) == 0) |
c906108c | 1229 | { |
11cf8741 | 1230 | /* The exec file and the symbol-file are the same. If we can't |
dda83cd7 SM |
1231 | open it, better only print one error message. |
1232 | catch_command_errors returns non-zero on success! */ | |
b0f492b9 GB |
1233 | ret = catch_command_errors (exec_file_attach, execarg, |
1234 | !batch_flag); | |
1235 | if (ret != 0) | |
1236 | ret = catch_command_errors (symbol_file_add_main_adapter, | |
1237 | symarg, !batch_flag); | |
c906108c SS |
1238 | } |
1239 | else | |
1240 | { | |
1241 | if (execarg != NULL) | |
b0f492b9 GB |
1242 | ret = catch_command_errors (exec_file_attach, execarg, |
1243 | !batch_flag); | |
c906108c | 1244 | if (symarg != NULL) |
b0f492b9 GB |
1245 | ret = catch_command_errors (symbol_file_add_main_adapter, |
1246 | symarg, !batch_flag); | |
c906108c | 1247 | } |
c906108c | 1248 | |
a4d9b460 | 1249 | if (corearg && pidarg) |
3e43a32a MS |
1250 | error (_("Can't attach to process and specify " |
1251 | "a core file at the same time.")); | |
a4d9b460 | 1252 | |
c906108c | 1253 | if (corearg != NULL) |
b0f492b9 GB |
1254 | { |
1255 | ret = catch_command_errors (core_file_command, corearg, | |
1256 | !batch_flag); | |
1257 | } | |
a4d9b460 | 1258 | else if (pidarg != NULL) |
b0f492b9 GB |
1259 | { |
1260 | ret = catch_command_errors (attach_command, pidarg, !batch_flag); | |
1261 | } | |
a4d9b460 | 1262 | else if (pid_or_core_arg) |
c906108c | 1263 | { |
a4d9b460 PA |
1264 | /* The user specified 'gdb program pid' or gdb program core'. |
1265 | If pid_or_core_arg's first character is a digit, try attach | |
1266 | first and then corefile. Otherwise try just corefile. */ | |
00546b04 | 1267 | |
a4d9b460 | 1268 | if (isdigit (pid_or_core_arg[0])) |
11cf8741 | 1269 | { |
b0f492b9 GB |
1270 | ret = catch_command_errors (attach_command, pid_or_core_arg, |
1271 | !batch_flag); | |
1272 | if (ret == 0) | |
1273 | ret = catch_command_errors (core_file_command, | |
1274 | pid_or_core_arg, | |
1275 | !batch_flag); | |
1276 | } | |
1277 | else | |
1278 | { | |
1279 | /* Can't be a pid, better be a corefile. */ | |
1280 | ret = catch_command_errors (core_file_command, | |
1281 | pid_or_core_arg, | |
1282 | !batch_flag); | |
11cf8741 | 1283 | } |
c906108c | 1284 | } |
c906108c SS |
1285 | |
1286 | if (ttyarg != NULL) | |
05779d57 | 1287 | current_inferior ()->set_tty (ttyarg); |
c906108c | 1288 | |
371d5dec | 1289 | /* Error messages should no longer be distinguished with extra output. */ |
defc6f8c | 1290 | warning_pre_print = _("warning: "); |
c906108c SS |
1291 | |
1292 | /* Read the .gdbinit file in the current directory, *if* it isn't | |
1293 | the same as the $HOME/.gdbinit file (it should exist, also). */ | |
f48cd836 | 1294 | if (!local_gdbinit.empty ()) |
bf88dd68 | 1295 | { |
14278e1f | 1296 | auto_load_local_gdbinit_pathname |
f48cd836 | 1297 | = gdb_realpath (local_gdbinit.c_str ()).release (); |
bf88dd68 | 1298 | |
a59902a7 | 1299 | if (!inhibit_gdbinit && auto_load_local_gdbinit) |
bf88dd68 | 1300 | { |
a59902a7 SM |
1301 | auto_load_debug_printf ("Loading .gdbinit file \"%s\".", |
1302 | local_gdbinit.c_str ()); | |
bf88dd68 | 1303 | |
a59902a7 SM |
1304 | if (file_is_auto_load_safe (local_gdbinit.c_str ())) |
1305 | { | |
1306 | auto_load_local_gdbinit_loaded = 1; | |
1307 | ||
1308 | ret = catch_command_errors (source_script, local_gdbinit.c_str (), 0); | |
1309 | } | |
bf88dd68 JK |
1310 | } |
1311 | } | |
c906108c | 1312 | |
88a1906b DE |
1313 | /* Now that all .gdbinit's have been read and all -d options have been |
1314 | processed, we can read any scripts mentioned in SYMARG. | |
1315 | We wait until now because it is common to add to the source search | |
1316 | path in local_gdbinit. */ | |
bf88dd68 | 1317 | global_auto_load = save_auto_load; |
2030c079 | 1318 | for (objfile *objfile : current_program_space->objfiles ()) |
7f6130ff | 1319 | load_auto_scripts_for_objfile (objfile); |
88a1906b | 1320 | |
8320cc4f | 1321 | /* Process '-x' and '-ex' options. */ |
74d877e5 | 1322 | execute_cmdargs (&cmdarg_vec, CMDARG_FILE, CMDARG_COMMAND, &ret); |
c906108c | 1323 | |
371d5dec MS |
1324 | /* Read in the old history after all the command files have been |
1325 | read. */ | |
c5aa993b | 1326 | init_history (); |
c906108c | 1327 | |
7c953934 | 1328 | if (batch_flag) |
c906108c | 1329 | { |
b0f492b9 GB |
1330 | int error_status = EXIT_FAILURE; |
1331 | int *exit_arg = ret == 0 ? &error_status : NULL; | |
1332 | ||
c906108c | 1333 | /* We have hit the end of the batch file. */ |
b0f492b9 | 1334 | quit_force (exit_arg, 0); |
c906108c | 1335 | } |
1e3b796d TT |
1336 | } |
1337 | ||
1338 | static void | |
1339 | captured_main (void *data) | |
1340 | { | |
1341 | struct captured_main_args *context = (struct captured_main_args *) data; | |
1342 | ||
1343 | captured_main_1 (context); | |
c906108c | 1344 | |
11cf8741 JM |
1345 | /* NOTE: cagney/1999-11-07: There is probably no reason for not |
1346 | moving this loop and the code found in captured_command_loop() | |
1347 | into the command_loop() proper. The main thing holding back that | |
371d5dec | 1348 | change - SET_TOP_LEVEL() - has been eliminated. */ |
11cf8741 JM |
1349 | while (1) |
1350 | { | |
a70b8144 | 1351 | try |
bf469271 PA |
1352 | { |
1353 | captured_command_loop (); | |
1354 | } | |
230d2906 | 1355 | catch (const gdb_exception &ex) |
bf469271 PA |
1356 | { |
1357 | exception_print (gdb_stderr, ex); | |
1358 | } | |
11cf8741 | 1359 | } |
11cf8741 JM |
1360 | /* No exit -- exit is through quit_command. */ |
1361 | } | |
c906108c | 1362 | |
11cf8741 | 1363 | int |
f15ab4a7 | 1364 | gdb_main (struct captured_main_args *args) |
11cf8741 | 1365 | { |
a70b8144 | 1366 | try |
98d9f24e PA |
1367 | { |
1368 | captured_main (args); | |
1369 | } | |
230d2906 | 1370 | catch (const gdb_exception &ex) |
98d9f24e PA |
1371 | { |
1372 | exception_print (gdb_stderr, ex); | |
1373 | } | |
98d9f24e | 1374 | |
864dbc90 AC |
1375 | /* The only way to end up here is by an error (normal exit is |
1376 | handled by quit_force()), hence always return an error status. */ | |
1377 | return 1; | |
c906108c SS |
1378 | } |
1379 | ||
11cf8741 | 1380 | |
c906108c SS |
1381 | /* Don't use *_filtered for printing help. We don't want to prompt |
1382 | for continue no matter how small the screen or how much we're going | |
1383 | to print. */ | |
1384 | ||
1385 | static void | |
d9fcf2fb | 1386 | print_gdb_help (struct ui_file *stream) |
c906108c | 1387 | { |
ed2a2229 | 1388 | std::vector<std::string> system_gdbinit; |
f48cd836 CB |
1389 | std::string home_gdbinit; |
1390 | std::string local_gdbinit; | |
92e4e97a | 1391 | std::string home_gdbearlyinit; |
16e7150e JG |
1392 | |
1393 | get_init_files (&system_gdbinit, &home_gdbinit, &local_gdbinit); | |
92e4e97a | 1394 | get_earlyinit_files (&home_gdbearlyinit); |
16e7150e | 1395 | |
b187bec1 EZ |
1396 | /* Note: The options in the list below are only approximately sorted |
1397 | in the alphabetical order, so as to group closely related options | |
1398 | together. */ | |
defc6f8c | 1399 | fputs_unfiltered (_("\ |
c906108c | 1400 | This is the GNU debugger. Usage:\n\n\ |
552c04a7 TT |
1401 | gdb [options] [executable-file [core-file or process-id]]\n\ |
1402 | gdb [options] --args executable-file [inferior-arguments ...]\n\n\ | |
defc6f8c TT |
1403 | "), stream); |
1404 | fputs_unfiltered (_("\ | |
b187bec1 | 1405 | Selection of debuggee and its files:\n\n\ |
b0e4d2bd | 1406 | --args Arguments after executable-file are passed to inferior.\n\ |
b187bec1 EZ |
1407 | --core=COREFILE Analyze the core dump COREFILE.\n\ |
1408 | --exec=EXECFILE Use EXECFILE as the executable.\n\ | |
1409 | --pid=PID Attach to running process PID.\n\ | |
1410 | --directory=DIR Search for source files in DIR.\n\ | |
1411 | --se=FILE Use FILE as symbol file and executable file.\n\ | |
1412 | --symbols=SYMFILE Read symbols from SYMFILE.\n\ | |
1413 | --readnow Fully read symbol files on first access.\n\ | |
97cbe998 | 1414 | --readnever Do not read symbol files.\n\ |
b187bec1 | 1415 | --write Set writing into executable and core files.\n\n\ |
defc6f8c TT |
1416 | "), stream); |
1417 | fputs_unfiltered (_("\ | |
b187bec1 | 1418 | Initial commands and command files:\n\n\ |
8a5a3c82 | 1419 | --command=FILE, -x Execute GDB commands from FILE.\n\ |
b187bec1 | 1420 | --init-command=FILE, -ix\n\ |
dda83cd7 | 1421 | Like -x but execute commands before loading inferior.\n\ |
8a5a3c82 | 1422 | --eval-command=COMMAND, -ex\n\ |
dda83cd7 SM |
1423 | Execute a single GDB command.\n\ |
1424 | May be used multiple times and in conjunction\n\ | |
1425 | with --command.\n\ | |
b187bec1 | 1426 | --init-eval-command=COMMAND, -iex\n\ |
dda83cd7 | 1427 | Like -ex but before loading inferior.\n\ |
b187bec1 EZ |
1428 | --nh Do not read ~/.gdbinit.\n\ |
1429 | --nx Do not read any .gdbinit files in any directory.\n\n\ | |
defc6f8c TT |
1430 | "), stream); |
1431 | fputs_unfiltered (_("\ | |
b187bec1 | 1432 | Output and user interface control:\n\n\ |
c906108c | 1433 | --fullname Output information used by emacs-GDB interface.\n\ |
8b93c638 | 1434 | --interpreter=INTERP\n\ |
b0e4d2bd | 1435 | Select a specific interpreter / user interface.\n\ |
c906108c | 1436 | --tty=TTY Use TTY for input/output by the program being debugged.\n\ |
b187bec1 EZ |
1437 | -w Use the GUI interface.\n\ |
1438 | --nw Do not use the GUI interface.\n\ | |
defc6f8c | 1439 | "), stream); |
c906108c | 1440 | #if defined(TUI) |
defc6f8c | 1441 | fputs_unfiltered (_("\ |
c906108c | 1442 | --tui Use a terminal user interface.\n\ |
defc6f8c | 1443 | "), stream); |
c906108c | 1444 | #endif |
481860b3 | 1445 | fputs_unfiltered (_("\ |
b187bec1 | 1446 | --dbx DBX compatibility mode.\n\ |
adcc0a31 | 1447 | -q, --quiet, --silent\n\ |
dda83cd7 | 1448 | Do not print version number on startup.\n\n\ |
b187bec1 EZ |
1449 | "), stream); |
1450 | fputs_unfiltered (_("\ | |
1451 | Operating modes:\n\n\ | |
1452 | --batch Exit after processing options.\n\ | |
1453 | --batch-silent Like --batch, but suppress all gdb stdout output.\n\ | |
1454 | --return-child-result\n\ | |
dda83cd7 | 1455 | GDB exit code will be the child's exit code.\n\ |
b187bec1 EZ |
1456 | --configuration Print details about GDB configuration and then exit.\n\ |
1457 | --help Print this message and then exit.\n\ | |
1458 | --version Print version information and then exit.\n\n\ | |
1459 | Remote debugging options:\n\n\ | |
1460 | -b BAUDRATE Set serial port baud rate used for remote debugging.\n\ | |
1461 | -l TIMEOUT Set timeout in seconds for remote debugging.\n\n\ | |
1462 | Other options:\n\n\ | |
1463 | --cd=DIR Change current directory to DIR.\n\ | |
8d551b02 | 1464 | --data-directory=DIR, -D\n\ |
dda83cd7 | 1465 | Set GDB's data-directory to DIR.\n\ |
defc6f8c | 1466 | "), stream); |
defc6f8c | 1467 | fputs_unfiltered (_("\n\ |
92e4e97a AB |
1468 | At startup, GDB reads the following early init files and executes their\n\ |
1469 | commands:\n\ | |
1470 | "), stream); | |
1471 | if (!home_gdbearlyinit.empty ()) | |
1472 | fprintf_unfiltered (stream, _("\ | |
1473 | * user-specific early init file: %s\n\ | |
1474 | "), home_gdbearlyinit.c_str ()); | |
1475 | if (home_gdbearlyinit.empty ()) | |
1476 | fprintf_unfiltered (stream, _("\ | |
1477 | None found.\n")); | |
1478 | fputs_unfiltered (_("\n\ | |
16e7150e JG |
1479 | At startup, GDB reads the following init files and executes their commands:\n\ |
1480 | "), stream); | |
f48cd836 | 1481 | if (!system_gdbinit.empty ()) |
ed2a2229 CB |
1482 | { |
1483 | std::string output; | |
1484 | for (size_t idx = 0; idx < system_gdbinit.size (); ++idx) | |
dda83cd7 | 1485 | { |
ed2a2229 CB |
1486 | output += system_gdbinit[idx]; |
1487 | if (idx < system_gdbinit.size () - 1) | |
1488 | output += ", "; | |
1489 | } | |
1490 | fprintf_unfiltered (stream, _("\ | |
1491 | * system-wide init files: %s\n\ | |
1492 | "), output.c_str ()); | |
1493 | } | |
f48cd836 | 1494 | if (!home_gdbinit.empty ()) |
16e7150e JG |
1495 | fprintf_unfiltered (stream, _("\ |
1496 | * user-specific init file: %s\n\ | |
f48cd836 CB |
1497 | "), home_gdbinit.c_str ()); |
1498 | if (!local_gdbinit.empty ()) | |
16e7150e | 1499 | fprintf_unfiltered (stream, _("\ |
bf88dd68 | 1500 | * local init file (see also 'set auto-load local-gdbinit'): ./%s\n\ |
f48cd836 | 1501 | "), local_gdbinit.c_str ()); |
54b4dcc5 AB |
1502 | if (system_gdbinit.empty () && home_gdbinit.empty () |
1503 | && local_gdbinit.empty ()) | |
1504 | fprintf_unfiltered (stream, _("\ | |
1505 | None found.\n")); | |
16e7150e | 1506 | fputs_unfiltered (_("\n\ |
c906108c SS |
1507 | For more information, type \"help\" from within GDB, or consult the\n\ |
1508 | GDB manual (available as on-line info or a printed manual).\n\ | |
defc6f8c | 1509 | "), stream); |
c16158bc | 1510 | if (REPORT_BUGS_TO[0] && stream == gdb_stdout) |
4412332f JG |
1511 | fprintf_unfiltered (stream, _("\n\ |
1512 | Report bugs to %s.\n\ | |
c16158bc | 1513 | "), REPORT_BUGS_TO); |
4412332f JG |
1514 | if (stream == gdb_stdout) |
1515 | fprintf_unfiltered (stream, _("\n\ | |
1516 | You can ask GDB-related questions on the GDB users mailing list\n\ | |
1517 | (gdb@sourceware.org) or on GDB's IRC channel (#gdb on Freenode).\n")); | |
c906108c | 1518 | } |