| 1 | /* GDB routines for supporting auto-loaded scripts. |
| 2 | |
| 3 | Copyright (C) 2012-2016 Free Software Foundation, Inc. |
| 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 3 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, see <http://www.gnu.org/licenses/>. */ |
| 19 | |
| 20 | #include "defs.h" |
| 21 | #include <ctype.h> |
| 22 | #include "auto-load.h" |
| 23 | #include "progspace.h" |
| 24 | #include "gdb_regex.h" |
| 25 | #include "ui-out.h" |
| 26 | #include "filenames.h" |
| 27 | #include "command.h" |
| 28 | #include "observer.h" |
| 29 | #include "objfiles.h" |
| 30 | #include "cli/cli-script.h" |
| 31 | #include "gdbcmd.h" |
| 32 | #include "cli/cli-cmds.h" |
| 33 | #include "cli/cli-decode.h" |
| 34 | #include "cli/cli-setshow.h" |
| 35 | #include "gdb_vecs.h" |
| 36 | #include "readline/tilde.h" |
| 37 | #include "completer.h" |
| 38 | #include "fnmatch.h" |
| 39 | #include "top.h" |
| 40 | #include "filestuff.h" |
| 41 | #include "extension.h" |
| 42 | #include "gdb/section-scripts.h" |
| 43 | |
| 44 | /* The section to look in for auto-loaded scripts (in file formats that |
| 45 | support sections). |
| 46 | Each entry in this section is a record that begins with a leading byte |
| 47 | identifying the record type. |
| 48 | At the moment we only support one record type: A leading byte of 1, |
| 49 | followed by the path of a python script to load. */ |
| 50 | #define AUTO_SECTION_NAME ".debug_gdb_scripts" |
| 51 | |
| 52 | static void maybe_print_unsupported_script_warning |
| 53 | (struct auto_load_pspace_info *, struct objfile *objfile, |
| 54 | const struct extension_language_defn *language, |
| 55 | const char *section_name, unsigned offset); |
| 56 | |
| 57 | static void maybe_print_script_not_found_warning |
| 58 | (struct auto_load_pspace_info *, struct objfile *objfile, |
| 59 | const struct extension_language_defn *language, |
| 60 | const char *section_name, unsigned offset); |
| 61 | |
| 62 | /* Value of the 'set debug auto-load' configuration variable. */ |
| 63 | static int debug_auto_load = 0; |
| 64 | |
| 65 | /* "show" command for the debug_auto_load configuration variable. */ |
| 66 | |
| 67 | static void |
| 68 | show_debug_auto_load (struct ui_file *file, int from_tty, |
| 69 | struct cmd_list_element *c, const char *value) |
| 70 | { |
| 71 | fprintf_filtered (file, _("Debugging output for files " |
| 72 | "of 'set auto-load ...' is %s.\n"), |
| 73 | value); |
| 74 | } |
| 75 | |
| 76 | /* User-settable option to enable/disable auto-loading of GDB_AUTO_FILE_NAME |
| 77 | scripts: |
| 78 | set auto-load gdb-scripts on|off |
| 79 | This is true if we should auto-load associated scripts when an objfile |
| 80 | is opened, false otherwise. */ |
| 81 | static int auto_load_gdb_scripts = 1; |
| 82 | |
| 83 | /* "show" command for the auto_load_gdb_scripts configuration variable. */ |
| 84 | |
| 85 | static void |
| 86 | show_auto_load_gdb_scripts (struct ui_file *file, int from_tty, |
| 87 | struct cmd_list_element *c, const char *value) |
| 88 | { |
| 89 | fprintf_filtered (file, _("Auto-loading of canned sequences of commands " |
| 90 | "scripts is %s.\n"), |
| 91 | value); |
| 92 | } |
| 93 | |
| 94 | /* Return non-zero if auto-loading gdb scripts is enabled. */ |
| 95 | |
| 96 | int |
| 97 | auto_load_gdb_scripts_enabled (const struct extension_language_defn *extlang) |
| 98 | { |
| 99 | return auto_load_gdb_scripts; |
| 100 | } |
| 101 | |
| 102 | /* Internal-use flag to enable/disable auto-loading. |
| 103 | This is true if we should auto-load python code when an objfile is opened, |
| 104 | false otherwise. |
| 105 | |
| 106 | Both auto_load_scripts && global_auto_load must be true to enable |
| 107 | auto-loading. |
| 108 | |
| 109 | This flag exists to facilitate deferring auto-loading during start-up |
| 110 | until after ./.gdbinit has been read; it may augment the search directories |
| 111 | used to find the scripts. */ |
| 112 | int global_auto_load = 1; |
| 113 | |
| 114 | /* Auto-load .gdbinit file from the current directory? */ |
| 115 | int auto_load_local_gdbinit = 1; |
| 116 | |
| 117 | /* Absolute pathname to the current directory .gdbinit, if it exists. */ |
| 118 | char *auto_load_local_gdbinit_pathname = NULL; |
| 119 | |
| 120 | /* Boolean value if AUTO_LOAD_LOCAL_GDBINIT_PATHNAME has been loaded. */ |
| 121 | int auto_load_local_gdbinit_loaded = 0; |
| 122 | |
| 123 | /* "show" command for the auto_load_local_gdbinit configuration variable. */ |
| 124 | |
| 125 | static void |
| 126 | show_auto_load_local_gdbinit (struct ui_file *file, int from_tty, |
| 127 | struct cmd_list_element *c, const char *value) |
| 128 | { |
| 129 | fprintf_filtered (file, _("Auto-loading of .gdbinit script from current " |
| 130 | "directory is %s.\n"), |
| 131 | value); |
| 132 | } |
| 133 | |
| 134 | /* Directory list from which to load auto-loaded scripts. It is not checked |
| 135 | for absolute paths but they are strongly recommended. It is initialized by |
| 136 | _initialize_auto_load. */ |
| 137 | static char *auto_load_dir; |
| 138 | |
| 139 | /* "set" command for the auto_load_dir configuration variable. */ |
| 140 | |
| 141 | static void |
| 142 | set_auto_load_dir (char *args, int from_tty, struct cmd_list_element *c) |
| 143 | { |
| 144 | /* Setting the variable to "" resets it to the compile time defaults. */ |
| 145 | if (auto_load_dir[0] == '\0') |
| 146 | { |
| 147 | xfree (auto_load_dir); |
| 148 | auto_load_dir = xstrdup (AUTO_LOAD_DIR); |
| 149 | } |
| 150 | } |
| 151 | |
| 152 | /* "show" command for the auto_load_dir configuration variable. */ |
| 153 | |
| 154 | static void |
| 155 | show_auto_load_dir (struct ui_file *file, int from_tty, |
| 156 | struct cmd_list_element *c, const char *value) |
| 157 | { |
| 158 | fprintf_filtered (file, _("List of directories from which to load " |
| 159 | "auto-loaded scripts is %s.\n"), |
| 160 | value); |
| 161 | } |
| 162 | |
| 163 | /* Directory list safe to hold auto-loaded files. It is not checked for |
| 164 | absolute paths but they are strongly recommended. It is initialized by |
| 165 | _initialize_auto_load. */ |
| 166 | static char *auto_load_safe_path; |
| 167 | |
| 168 | /* Vector of directory elements of AUTO_LOAD_SAFE_PATH with each one normalized |
| 169 | by tilde_expand and possibly each entries has added its gdb_realpath |
| 170 | counterpart. */ |
| 171 | static VEC (char_ptr) *auto_load_safe_path_vec; |
| 172 | |
| 173 | /* Expand $datadir and $debugdir in STRING according to the rules of |
| 174 | substitute_path_component. Return vector from dirnames_to_char_ptr_vec, |
| 175 | this vector must be freed by free_char_ptr_vec by the caller. */ |
| 176 | |
| 177 | static VEC (char_ptr) * |
| 178 | auto_load_expand_dir_vars (const char *string) |
| 179 | { |
| 180 | VEC (char_ptr) *dir_vec; |
| 181 | char *s; |
| 182 | |
| 183 | s = xstrdup (string); |
| 184 | substitute_path_component (&s, "$datadir", gdb_datadir); |
| 185 | substitute_path_component (&s, "$debugdir", debug_file_directory); |
| 186 | |
| 187 | if (debug_auto_load && strcmp (s, string) != 0) |
| 188 | fprintf_unfiltered (gdb_stdlog, |
| 189 | _("auto-load: Expanded $-variables to \"%s\".\n"), s); |
| 190 | |
| 191 | dir_vec = dirnames_to_char_ptr_vec (s); |
| 192 | xfree(s); |
| 193 | |
| 194 | return dir_vec; |
| 195 | } |
| 196 | |
| 197 | /* Update auto_load_safe_path_vec from current AUTO_LOAD_SAFE_PATH. */ |
| 198 | |
| 199 | static void |
| 200 | auto_load_safe_path_vec_update (void) |
| 201 | { |
| 202 | unsigned len; |
| 203 | int ix; |
| 204 | |
| 205 | if (debug_auto_load) |
| 206 | fprintf_unfiltered (gdb_stdlog, |
| 207 | _("auto-load: Updating directories of \"%s\".\n"), |
| 208 | auto_load_safe_path); |
| 209 | |
| 210 | free_char_ptr_vec (auto_load_safe_path_vec); |
| 211 | |
| 212 | auto_load_safe_path_vec = auto_load_expand_dir_vars (auto_load_safe_path); |
| 213 | len = VEC_length (char_ptr, auto_load_safe_path_vec); |
| 214 | |
| 215 | /* Apply tilde_expand and gdb_realpath to each AUTO_LOAD_SAFE_PATH_VEC |
| 216 | element. */ |
| 217 | for (ix = 0; ix < len; ix++) |
| 218 | { |
| 219 | char *dir = VEC_index (char_ptr, auto_load_safe_path_vec, ix); |
| 220 | char *expanded = tilde_expand (dir); |
| 221 | char *real_path = gdb_realpath (expanded); |
| 222 | |
| 223 | /* Ensure the current entry is at least tilde_expand-ed. */ |
| 224 | VEC_replace (char_ptr, auto_load_safe_path_vec, ix, expanded); |
| 225 | |
| 226 | if (debug_auto_load) |
| 227 | { |
| 228 | if (strcmp (expanded, dir) == 0) |
| 229 | fprintf_unfiltered (gdb_stdlog, |
| 230 | _("auto-load: Using directory \"%s\".\n"), |
| 231 | expanded); |
| 232 | else |
| 233 | fprintf_unfiltered (gdb_stdlog, |
| 234 | _("auto-load: Resolved directory \"%s\" " |
| 235 | "as \"%s\".\n"), |
| 236 | dir, expanded); |
| 237 | } |
| 238 | xfree (dir); |
| 239 | |
| 240 | /* If gdb_realpath returns a different content, append it. */ |
| 241 | if (strcmp (real_path, expanded) == 0) |
| 242 | xfree (real_path); |
| 243 | else |
| 244 | { |
| 245 | VEC_safe_push (char_ptr, auto_load_safe_path_vec, real_path); |
| 246 | |
| 247 | if (debug_auto_load) |
| 248 | fprintf_unfiltered (gdb_stdlog, |
| 249 | _("auto-load: And canonicalized as \"%s\".\n"), |
| 250 | real_path); |
| 251 | } |
| 252 | } |
| 253 | } |
| 254 | |
| 255 | /* Variable gdb_datadir has been set. Update content depending on $datadir. */ |
| 256 | |
| 257 | static void |
| 258 | auto_load_gdb_datadir_changed (void) |
| 259 | { |
| 260 | auto_load_safe_path_vec_update (); |
| 261 | } |
| 262 | |
| 263 | /* "set" command for the auto_load_safe_path configuration variable. */ |
| 264 | |
| 265 | static void |
| 266 | set_auto_load_safe_path (char *args, int from_tty, struct cmd_list_element *c) |
| 267 | { |
| 268 | /* Setting the variable to "" resets it to the compile time defaults. */ |
| 269 | if (auto_load_safe_path[0] == '\0') |
| 270 | { |
| 271 | xfree (auto_load_safe_path); |
| 272 | auto_load_safe_path = xstrdup (AUTO_LOAD_SAFE_PATH); |
| 273 | } |
| 274 | |
| 275 | auto_load_safe_path_vec_update (); |
| 276 | } |
| 277 | |
| 278 | /* "show" command for the auto_load_safe_path configuration variable. */ |
| 279 | |
| 280 | static void |
| 281 | show_auto_load_safe_path (struct ui_file *file, int from_tty, |
| 282 | struct cmd_list_element *c, const char *value) |
| 283 | { |
| 284 | const char *cs; |
| 285 | |
| 286 | /* Check if user has entered either "/" or for example ":". |
| 287 | But while more complicate content like ":/foo" would still also |
| 288 | permit any location do not hide those. */ |
| 289 | |
| 290 | for (cs = value; *cs && (*cs == DIRNAME_SEPARATOR || IS_DIR_SEPARATOR (*cs)); |
| 291 | cs++); |
| 292 | if (*cs == 0) |
| 293 | fprintf_filtered (file, _("Auto-load files are safe to load from any " |
| 294 | "directory.\n")); |
| 295 | else |
| 296 | fprintf_filtered (file, _("List of directories from which it is safe to " |
| 297 | "auto-load files is %s.\n"), |
| 298 | value); |
| 299 | } |
| 300 | |
| 301 | /* "add-auto-load-safe-path" command for the auto_load_safe_path configuration |
| 302 | variable. */ |
| 303 | |
| 304 | static void |
| 305 | add_auto_load_safe_path (char *args, int from_tty) |
| 306 | { |
| 307 | char *s; |
| 308 | |
| 309 | if (args == NULL || *args == 0) |
| 310 | error (_("\ |
| 311 | Directory argument required.\n\ |
| 312 | Use 'set auto-load safe-path /' for disabling the auto-load safe-path security.\ |
| 313 | ")); |
| 314 | |
| 315 | s = xstrprintf ("%s%c%s", auto_load_safe_path, DIRNAME_SEPARATOR, args); |
| 316 | xfree (auto_load_safe_path); |
| 317 | auto_load_safe_path = s; |
| 318 | |
| 319 | auto_load_safe_path_vec_update (); |
| 320 | } |
| 321 | |
| 322 | /* "add-auto-load-scripts-directory" command for the auto_load_dir configuration |
| 323 | variable. */ |
| 324 | |
| 325 | static void |
| 326 | add_auto_load_dir (char *args, int from_tty) |
| 327 | { |
| 328 | char *s; |
| 329 | |
| 330 | if (args == NULL || *args == 0) |
| 331 | error (_("Directory argument required.")); |
| 332 | |
| 333 | s = xstrprintf ("%s%c%s", auto_load_dir, DIRNAME_SEPARATOR, args); |
| 334 | xfree (auto_load_dir); |
| 335 | auto_load_dir = s; |
| 336 | } |
| 337 | |
| 338 | /* Implementation for filename_is_in_pattern overwriting the caller's FILENAME |
| 339 | and PATTERN. */ |
| 340 | |
| 341 | static int |
| 342 | filename_is_in_pattern_1 (char *filename, char *pattern) |
| 343 | { |
| 344 | size_t pattern_len = strlen (pattern); |
| 345 | size_t filename_len = strlen (filename); |
| 346 | |
| 347 | if (debug_auto_load) |
| 348 | fprintf_unfiltered (gdb_stdlog, _("auto-load: Matching file \"%s\" " |
| 349 | "to pattern \"%s\"\n"), |
| 350 | filename, pattern); |
| 351 | |
| 352 | /* Trim trailing slashes ("/") from PATTERN. Even for "d:\" paths as |
| 353 | trailing slashes are trimmed also from FILENAME it still matches |
| 354 | correctly. */ |
| 355 | while (pattern_len && IS_DIR_SEPARATOR (pattern[pattern_len - 1])) |
| 356 | pattern_len--; |
| 357 | pattern[pattern_len] = '\0'; |
| 358 | |
| 359 | /* Ensure auto_load_safe_path "/" matches any FILENAME. On MS-Windows |
| 360 | platform FILENAME even after gdb_realpath does not have to start with |
| 361 | IS_DIR_SEPARATOR character, such as the 'C:\x.exe' filename. */ |
| 362 | if (pattern_len == 0) |
| 363 | { |
| 364 | if (debug_auto_load) |
| 365 | fprintf_unfiltered (gdb_stdlog, |
| 366 | _("auto-load: Matched - empty pattern\n")); |
| 367 | return 1; |
| 368 | } |
| 369 | |
| 370 | for (;;) |
| 371 | { |
| 372 | /* Trim trailing slashes ("/"). PATTERN also has slashes trimmed the |
| 373 | same way so they will match. */ |
| 374 | while (filename_len && IS_DIR_SEPARATOR (filename[filename_len - 1])) |
| 375 | filename_len--; |
| 376 | filename[filename_len] = '\0'; |
| 377 | if (filename_len == 0) |
| 378 | { |
| 379 | if (debug_auto_load) |
| 380 | fprintf_unfiltered (gdb_stdlog, |
| 381 | _("auto-load: Not matched - pattern \"%s\".\n"), |
| 382 | pattern); |
| 383 | return 0; |
| 384 | } |
| 385 | |
| 386 | if (gdb_filename_fnmatch (pattern, filename, FNM_FILE_NAME | FNM_NOESCAPE) |
| 387 | == 0) |
| 388 | { |
| 389 | if (debug_auto_load) |
| 390 | fprintf_unfiltered (gdb_stdlog, _("auto-load: Matched - file " |
| 391 | "\"%s\" to pattern \"%s\".\n"), |
| 392 | filename, pattern); |
| 393 | return 1; |
| 394 | } |
| 395 | |
| 396 | /* Trim trailing FILENAME component. */ |
| 397 | while (filename_len > 0 && !IS_DIR_SEPARATOR (filename[filename_len - 1])) |
| 398 | filename_len--; |
| 399 | } |
| 400 | } |
| 401 | |
| 402 | /* Return 1 if FILENAME matches PATTERN or if FILENAME resides in |
| 403 | a subdirectory of a directory that matches PATTERN. Return 0 otherwise. |
| 404 | gdb_realpath normalization is never done here. */ |
| 405 | |
| 406 | static ATTRIBUTE_PURE int |
| 407 | filename_is_in_pattern (const char *filename, const char *pattern) |
| 408 | { |
| 409 | char *filename_copy, *pattern_copy; |
| 410 | |
| 411 | filename_copy = (char *) alloca (strlen (filename) + 1); |
| 412 | strcpy (filename_copy, filename); |
| 413 | pattern_copy = (char *) alloca (strlen (pattern) + 1); |
| 414 | strcpy (pattern_copy, pattern); |
| 415 | |
| 416 | return filename_is_in_pattern_1 (filename_copy, pattern_copy); |
| 417 | } |
| 418 | |
| 419 | /* Return 1 if FILENAME belongs to one of directory components of |
| 420 | AUTO_LOAD_SAFE_PATH_VEC. Return 0 otherwise. |
| 421 | auto_load_safe_path_vec_update is never called. |
| 422 | *FILENAME_REALP may be updated by gdb_realpath of FILENAME - it has to be |
| 423 | freed by the caller. */ |
| 424 | |
| 425 | static int |
| 426 | filename_is_in_auto_load_safe_path_vec (const char *filename, |
| 427 | char **filename_realp) |
| 428 | { |
| 429 | char *pattern; |
| 430 | int ix; |
| 431 | |
| 432 | for (ix = 0; VEC_iterate (char_ptr, auto_load_safe_path_vec, ix, pattern); |
| 433 | ++ix) |
| 434 | if (*filename_realp == NULL && filename_is_in_pattern (filename, pattern)) |
| 435 | break; |
| 436 | |
| 437 | if (pattern == NULL) |
| 438 | { |
| 439 | if (*filename_realp == NULL) |
| 440 | { |
| 441 | *filename_realp = gdb_realpath (filename); |
| 442 | if (debug_auto_load && strcmp (*filename_realp, filename) != 0) |
| 443 | fprintf_unfiltered (gdb_stdlog, |
| 444 | _("auto-load: Resolved " |
| 445 | "file \"%s\" as \"%s\".\n"), |
| 446 | filename, *filename_realp); |
| 447 | } |
| 448 | |
| 449 | if (strcmp (*filename_realp, filename) != 0) |
| 450 | for (ix = 0; |
| 451 | VEC_iterate (char_ptr, auto_load_safe_path_vec, ix, pattern); ++ix) |
| 452 | if (filename_is_in_pattern (*filename_realp, pattern)) |
| 453 | break; |
| 454 | } |
| 455 | |
| 456 | if (pattern != NULL) |
| 457 | { |
| 458 | if (debug_auto_load) |
| 459 | fprintf_unfiltered (gdb_stdlog, _("auto-load: File \"%s\" matches " |
| 460 | "directory \"%s\".\n"), |
| 461 | filename, pattern); |
| 462 | return 1; |
| 463 | } |
| 464 | |
| 465 | return 0; |
| 466 | } |
| 467 | |
| 468 | /* Return 1 if FILENAME is located in one of the directories of |
| 469 | AUTO_LOAD_SAFE_PATH. Otherwise call warning and return 0. FILENAME does |
| 470 | not have to be an absolute path. |
| 471 | |
| 472 | Existence of FILENAME is not checked. Function will still give a warning |
| 473 | even if the caller would quietly skip non-existing file in unsafe |
| 474 | directory. */ |
| 475 | |
| 476 | int |
| 477 | file_is_auto_load_safe (const char *filename, const char *debug_fmt, ...) |
| 478 | { |
| 479 | char *filename_real = NULL; |
| 480 | struct cleanup *back_to; |
| 481 | static int advice_printed = 0; |
| 482 | |
| 483 | if (debug_auto_load) |
| 484 | { |
| 485 | va_list debug_args; |
| 486 | |
| 487 | va_start (debug_args, debug_fmt); |
| 488 | vfprintf_unfiltered (gdb_stdlog, debug_fmt, debug_args); |
| 489 | va_end (debug_args); |
| 490 | } |
| 491 | |
| 492 | back_to = make_cleanup (free_current_contents, &filename_real); |
| 493 | |
| 494 | if (filename_is_in_auto_load_safe_path_vec (filename, &filename_real)) |
| 495 | { |
| 496 | do_cleanups (back_to); |
| 497 | return 1; |
| 498 | } |
| 499 | |
| 500 | auto_load_safe_path_vec_update (); |
| 501 | if (filename_is_in_auto_load_safe_path_vec (filename, &filename_real)) |
| 502 | { |
| 503 | do_cleanups (back_to); |
| 504 | return 1; |
| 505 | } |
| 506 | |
| 507 | warning (_("File \"%s\" auto-loading has been declined by your " |
| 508 | "`auto-load safe-path' set to \"%s\"."), |
| 509 | filename_real, auto_load_safe_path); |
| 510 | |
| 511 | if (!advice_printed) |
| 512 | { |
| 513 | const char *homedir = getenv ("HOME"); |
| 514 | char *homeinit; |
| 515 | |
| 516 | if (homedir == NULL) |
| 517 | homedir = "$HOME"; |
| 518 | homeinit = xstrprintf ("%s/%s", homedir, gdbinit); |
| 519 | make_cleanup (xfree, homeinit); |
| 520 | |
| 521 | printf_filtered (_("\ |
| 522 | To enable execution of this file add\n\ |
| 523 | \tadd-auto-load-safe-path %s\n\ |
| 524 | line to your configuration file \"%s\".\n\ |
| 525 | To completely disable this security protection add\n\ |
| 526 | \tset auto-load safe-path /\n\ |
| 527 | line to your configuration file \"%s\".\n\ |
| 528 | For more information about this security protection see the\n\ |
| 529 | \"Auto-loading safe path\" section in the GDB manual. E.g., run from the shell:\n\ |
| 530 | \tinfo \"(gdb)Auto-loading safe path\"\n"), |
| 531 | filename_real, homeinit, homeinit); |
| 532 | advice_printed = 1; |
| 533 | } |
| 534 | |
| 535 | do_cleanups (back_to); |
| 536 | return 0; |
| 537 | } |
| 538 | |
| 539 | /* For scripts specified in .debug_gdb_scripts, multiple objfiles may load |
| 540 | the same script. There's no point in loading the script multiple times, |
| 541 | and there can be a lot of objfiles and scripts, so we keep track of scripts |
| 542 | loaded this way. */ |
| 543 | |
| 544 | struct auto_load_pspace_info |
| 545 | { |
| 546 | /* For each program space we keep track of loaded scripts, both when |
| 547 | specified as file names and as scripts to be executed directly. */ |
| 548 | struct htab *loaded_script_files; |
| 549 | struct htab *loaded_script_texts; |
| 550 | |
| 551 | /* Non-zero if we've issued the warning about an auto-load script not being |
| 552 | supported. We only want to issue this warning once. */ |
| 553 | int unsupported_script_warning_printed; |
| 554 | |
| 555 | /* Non-zero if we've issued the warning about an auto-load script not being |
| 556 | found. We only want to issue this warning once. */ |
| 557 | int script_not_found_warning_printed; |
| 558 | }; |
| 559 | |
| 560 | /* Objects of this type are stored in the loaded_script hash table. */ |
| 561 | |
| 562 | struct loaded_script |
| 563 | { |
| 564 | /* Name as provided by the objfile. */ |
| 565 | const char *name; |
| 566 | |
| 567 | /* Full path name or NULL if script wasn't found (or was otherwise |
| 568 | inaccessible), or NULL for loaded_script_texts. */ |
| 569 | const char *full_path; |
| 570 | |
| 571 | /* Non-zero if this script has been loaded. */ |
| 572 | int loaded; |
| 573 | |
| 574 | const struct extension_language_defn *language; |
| 575 | }; |
| 576 | |
| 577 | /* Per-program-space data key. */ |
| 578 | static const struct program_space_data *auto_load_pspace_data; |
| 579 | |
| 580 | static void |
| 581 | auto_load_pspace_data_cleanup (struct program_space *pspace, void *arg) |
| 582 | { |
| 583 | struct auto_load_pspace_info *info = (struct auto_load_pspace_info *) arg; |
| 584 | |
| 585 | if (info->loaded_script_files) |
| 586 | htab_delete (info->loaded_script_files); |
| 587 | if (info->loaded_script_texts) |
| 588 | htab_delete (info->loaded_script_texts); |
| 589 | xfree (info); |
| 590 | } |
| 591 | |
| 592 | /* Get the current autoload data. If none is found yet, add it now. This |
| 593 | function always returns a valid object. */ |
| 594 | |
| 595 | static struct auto_load_pspace_info * |
| 596 | get_auto_load_pspace_data (struct program_space *pspace) |
| 597 | { |
| 598 | struct auto_load_pspace_info *info; |
| 599 | |
| 600 | info = ((struct auto_load_pspace_info *) |
| 601 | program_space_data (pspace, auto_load_pspace_data)); |
| 602 | if (info == NULL) |
| 603 | { |
| 604 | info = XCNEW (struct auto_load_pspace_info); |
| 605 | set_program_space_data (pspace, auto_load_pspace_data, info); |
| 606 | } |
| 607 | |
| 608 | return info; |
| 609 | } |
| 610 | |
| 611 | /* Hash function for the loaded script hash. */ |
| 612 | |
| 613 | static hashval_t |
| 614 | hash_loaded_script_entry (const void *data) |
| 615 | { |
| 616 | const struct loaded_script *e = (const struct loaded_script *) data; |
| 617 | |
| 618 | return htab_hash_string (e->name) ^ htab_hash_pointer (e->language); |
| 619 | } |
| 620 | |
| 621 | /* Equality function for the loaded script hash. */ |
| 622 | |
| 623 | static int |
| 624 | eq_loaded_script_entry (const void *a, const void *b) |
| 625 | { |
| 626 | const struct loaded_script *ea = (const struct loaded_script *) a; |
| 627 | const struct loaded_script *eb = (const struct loaded_script *) b; |
| 628 | |
| 629 | return strcmp (ea->name, eb->name) == 0 && ea->language == eb->language; |
| 630 | } |
| 631 | |
| 632 | /* Initialize the table to track loaded scripts. |
| 633 | Each entry is hashed by the full path name. */ |
| 634 | |
| 635 | static void |
| 636 | init_loaded_scripts_info (struct auto_load_pspace_info *pspace_info) |
| 637 | { |
| 638 | /* Choose 31 as the starting size of the hash table, somewhat arbitrarily. |
| 639 | Space for each entry is obtained with one malloc so we can free them |
| 640 | easily. */ |
| 641 | |
| 642 | pspace_info->loaded_script_files = htab_create (31, |
| 643 | hash_loaded_script_entry, |
| 644 | eq_loaded_script_entry, |
| 645 | xfree); |
| 646 | pspace_info->loaded_script_texts = htab_create (31, |
| 647 | hash_loaded_script_entry, |
| 648 | eq_loaded_script_entry, |
| 649 | xfree); |
| 650 | |
| 651 | pspace_info->unsupported_script_warning_printed = FALSE; |
| 652 | pspace_info->script_not_found_warning_printed = FALSE; |
| 653 | } |
| 654 | |
| 655 | /* Wrapper on get_auto_load_pspace_data to also allocate the hash table |
| 656 | for loading scripts. */ |
| 657 | |
| 658 | struct auto_load_pspace_info * |
| 659 | get_auto_load_pspace_data_for_loading (struct program_space *pspace) |
| 660 | { |
| 661 | struct auto_load_pspace_info *info; |
| 662 | |
| 663 | info = get_auto_load_pspace_data (pspace); |
| 664 | if (info->loaded_script_files == NULL) |
| 665 | init_loaded_scripts_info (info); |
| 666 | |
| 667 | return info; |
| 668 | } |
| 669 | |
| 670 | /* Add script file NAME in LANGUAGE to hash table of PSPACE_INFO. |
| 671 | LOADED 1 if the script has been (is going to) be loaded, 0 otherwise |
| 672 | (such as if it has not been found). |
| 673 | FULL_PATH is NULL if the script wasn't found. |
| 674 | The result is true if the script was already in the hash table. */ |
| 675 | |
| 676 | static int |
| 677 | maybe_add_script_file (struct auto_load_pspace_info *pspace_info, int loaded, |
| 678 | const char *name, const char *full_path, |
| 679 | const struct extension_language_defn *language) |
| 680 | { |
| 681 | struct htab *htab = pspace_info->loaded_script_files; |
| 682 | struct loaded_script **slot, entry; |
| 683 | int in_hash_table; |
| 684 | |
| 685 | entry.name = name; |
| 686 | entry.language = language; |
| 687 | slot = (struct loaded_script **) htab_find_slot (htab, &entry, INSERT); |
| 688 | in_hash_table = *slot != NULL; |
| 689 | |
| 690 | /* If this script is not in the hash table, add it. */ |
| 691 | |
| 692 | if (!in_hash_table) |
| 693 | { |
| 694 | char *p; |
| 695 | |
| 696 | /* Allocate all space in one chunk so it's easier to free. */ |
| 697 | *slot = ((struct loaded_script *) |
| 698 | xmalloc (sizeof (**slot) |
| 699 | + strlen (name) + 1 |
| 700 | + (full_path != NULL ? (strlen (full_path) + 1) : 0))); |
| 701 | p = ((char*) *slot) + sizeof (**slot); |
| 702 | strcpy (p, name); |
| 703 | (*slot)->name = p; |
| 704 | if (full_path != NULL) |
| 705 | { |
| 706 | p += strlen (p) + 1; |
| 707 | strcpy (p, full_path); |
| 708 | (*slot)->full_path = p; |
| 709 | } |
| 710 | else |
| 711 | (*slot)->full_path = NULL; |
| 712 | (*slot)->loaded = loaded; |
| 713 | (*slot)->language = language; |
| 714 | } |
| 715 | |
| 716 | return in_hash_table; |
| 717 | } |
| 718 | |
| 719 | /* Add script contents NAME in LANGUAGE to hash table of PSPACE_INFO. |
| 720 | LOADED 1 if the script has been (is going to) be loaded, 0 otherwise |
| 721 | (such as if it has not been found). |
| 722 | The result is true if the script was already in the hash table. */ |
| 723 | |
| 724 | static int |
| 725 | maybe_add_script_text (struct auto_load_pspace_info *pspace_info, |
| 726 | int loaded, const char *name, |
| 727 | const struct extension_language_defn *language) |
| 728 | { |
| 729 | struct htab *htab = pspace_info->loaded_script_texts; |
| 730 | struct loaded_script **slot, entry; |
| 731 | int in_hash_table; |
| 732 | |
| 733 | entry.name = name; |
| 734 | entry.language = language; |
| 735 | slot = (struct loaded_script **) htab_find_slot (htab, &entry, INSERT); |
| 736 | in_hash_table = *slot != NULL; |
| 737 | |
| 738 | /* If this script is not in the hash table, add it. */ |
| 739 | |
| 740 | if (!in_hash_table) |
| 741 | { |
| 742 | char *p; |
| 743 | |
| 744 | /* Allocate all space in one chunk so it's easier to free. */ |
| 745 | *slot = ((struct loaded_script *) |
| 746 | xmalloc (sizeof (**slot) + strlen (name) + 1)); |
| 747 | p = ((char*) *slot) + sizeof (**slot); |
| 748 | strcpy (p, name); |
| 749 | (*slot)->name = p; |
| 750 | (*slot)->full_path = NULL; |
| 751 | (*slot)->loaded = loaded; |
| 752 | (*slot)->language = language; |
| 753 | } |
| 754 | |
| 755 | return in_hash_table; |
| 756 | } |
| 757 | |
| 758 | /* Clear the table of loaded section scripts. */ |
| 759 | |
| 760 | static void |
| 761 | clear_section_scripts (void) |
| 762 | { |
| 763 | struct program_space *pspace = current_program_space; |
| 764 | struct auto_load_pspace_info *info; |
| 765 | |
| 766 | info = ((struct auto_load_pspace_info *) |
| 767 | program_space_data (pspace, auto_load_pspace_data)); |
| 768 | if (info != NULL && info->loaded_script_files != NULL) |
| 769 | { |
| 770 | htab_delete (info->loaded_script_files); |
| 771 | htab_delete (info->loaded_script_texts); |
| 772 | info->loaded_script_files = NULL; |
| 773 | info->loaded_script_texts = NULL; |
| 774 | info->unsupported_script_warning_printed = FALSE; |
| 775 | info->script_not_found_warning_printed = FALSE; |
| 776 | } |
| 777 | } |
| 778 | |
| 779 | /* Look for the auto-load script in LANGUAGE associated with OBJFILE where |
| 780 | OBJFILE's gdb_realpath is REALNAME and load it. Return 1 if we found any |
| 781 | matching script, return 0 otherwise. */ |
| 782 | |
| 783 | static int |
| 784 | auto_load_objfile_script_1 (struct objfile *objfile, const char *realname, |
| 785 | const struct extension_language_defn *language) |
| 786 | { |
| 787 | char *filename, *debugfile; |
| 788 | int len, retval; |
| 789 | FILE *input; |
| 790 | struct cleanup *cleanups; |
| 791 | const char *suffix = ext_lang_auto_load_suffix (language); |
| 792 | |
| 793 | len = strlen (realname); |
| 794 | filename = (char *) xmalloc (len + strlen (suffix) + 1); |
| 795 | memcpy (filename, realname, len); |
| 796 | strcpy (filename + len, suffix); |
| 797 | |
| 798 | cleanups = make_cleanup (xfree, filename); |
| 799 | |
| 800 | input = gdb_fopen_cloexec (filename, "r"); |
| 801 | debugfile = filename; |
| 802 | if (debug_auto_load) |
| 803 | fprintf_unfiltered (gdb_stdlog, _("auto-load: Attempted file \"%s\" %s.\n"), |
| 804 | debugfile, input ? _("exists") : _("does not exist")); |
| 805 | |
| 806 | if (!input) |
| 807 | { |
| 808 | VEC (char_ptr) *vec; |
| 809 | int ix; |
| 810 | char *dir; |
| 811 | |
| 812 | /* Also try the same file in a subdirectory of gdb's data |
| 813 | directory. */ |
| 814 | |
| 815 | vec = auto_load_expand_dir_vars (auto_load_dir); |
| 816 | make_cleanup_free_char_ptr_vec (vec); |
| 817 | |
| 818 | if (debug_auto_load) |
| 819 | fprintf_unfiltered (gdb_stdlog, _("auto-load: Searching 'set auto-load " |
| 820 | "scripts-directory' path \"%s\".\n"), |
| 821 | auto_load_dir); |
| 822 | |
| 823 | for (ix = 0; VEC_iterate (char_ptr, vec, ix, dir); ++ix) |
| 824 | { |
| 825 | debugfile = (char *) xmalloc (strlen (dir) + strlen (filename) + 1); |
| 826 | strcpy (debugfile, dir); |
| 827 | |
| 828 | /* FILENAME is absolute, so we don't need a "/" here. */ |
| 829 | strcat (debugfile, filename); |
| 830 | |
| 831 | make_cleanup (xfree, debugfile); |
| 832 | input = gdb_fopen_cloexec (debugfile, "r"); |
| 833 | if (debug_auto_load) |
| 834 | fprintf_unfiltered (gdb_stdlog, _("auto-load: Attempted file " |
| 835 | "\"%s\" %s.\n"), |
| 836 | debugfile, |
| 837 | input ? _("exists") : _("does not exist")); |
| 838 | if (input != NULL) |
| 839 | break; |
| 840 | } |
| 841 | } |
| 842 | |
| 843 | if (input) |
| 844 | { |
| 845 | int is_safe; |
| 846 | struct auto_load_pspace_info *pspace_info; |
| 847 | |
| 848 | make_cleanup_fclose (input); |
| 849 | |
| 850 | is_safe |
| 851 | = file_is_auto_load_safe (debugfile, |
| 852 | _("auto-load: Loading %s script \"%s\"" |
| 853 | " by extension for objfile \"%s\".\n"), |
| 854 | ext_lang_name (language), |
| 855 | debugfile, objfile_name (objfile)); |
| 856 | |
| 857 | /* Add this script to the hash table too so |
| 858 | "info auto-load ${lang}-scripts" can print it. */ |
| 859 | pspace_info |
| 860 | = get_auto_load_pspace_data_for_loading (current_program_space); |
| 861 | maybe_add_script_file (pspace_info, is_safe, debugfile, debugfile, |
| 862 | language); |
| 863 | |
| 864 | /* To preserve existing behaviour we don't check for whether the |
| 865 | script was already in the table, and always load it. |
| 866 | It's highly unlikely that we'd ever load it twice, |
| 867 | and these scripts are required to be idempotent under multiple |
| 868 | loads anyway. */ |
| 869 | if (is_safe) |
| 870 | { |
| 871 | objfile_script_sourcer_func *sourcer |
| 872 | = ext_lang_objfile_script_sourcer (language); |
| 873 | |
| 874 | /* We shouldn't get here if support for the language isn't |
| 875 | compiled in. And the extension language is required to implement |
| 876 | this function. */ |
| 877 | gdb_assert (sourcer != NULL); |
| 878 | sourcer (language, objfile, input, debugfile); |
| 879 | } |
| 880 | |
| 881 | retval = 1; |
| 882 | } |
| 883 | else |
| 884 | retval = 0; |
| 885 | |
| 886 | do_cleanups (cleanups); |
| 887 | return retval; |
| 888 | } |
| 889 | |
| 890 | /* Look for the auto-load script in LANGUAGE associated with OBJFILE and load |
| 891 | it. */ |
| 892 | |
| 893 | void |
| 894 | auto_load_objfile_script (struct objfile *objfile, |
| 895 | const struct extension_language_defn *language) |
| 896 | { |
| 897 | char *realname = gdb_realpath (objfile_name (objfile)); |
| 898 | struct cleanup *cleanups = make_cleanup (xfree, realname); |
| 899 | |
| 900 | if (!auto_load_objfile_script_1 (objfile, realname, language)) |
| 901 | { |
| 902 | /* For Windows/DOS .exe executables, strip the .exe suffix, so that |
| 903 | FOO-gdb.gdb could be used for FOO.exe, and try again. */ |
| 904 | |
| 905 | size_t len = strlen (realname); |
| 906 | const size_t lexe = sizeof (".exe") - 1; |
| 907 | |
| 908 | if (len > lexe && strcasecmp (realname + len - lexe, ".exe") == 0) |
| 909 | { |
| 910 | len -= lexe; |
| 911 | realname[len] = '\0'; |
| 912 | if (debug_auto_load) |
| 913 | fprintf_unfiltered (gdb_stdlog, _("auto-load: Stripped .exe suffix, " |
| 914 | "retrying with \"%s\".\n"), |
| 915 | realname); |
| 916 | auto_load_objfile_script_1 (objfile, realname, language); |
| 917 | } |
| 918 | } |
| 919 | |
| 920 | do_cleanups (cleanups); |
| 921 | } |
| 922 | |
| 923 | /* Subroutine of source_section_scripts to simplify it. |
| 924 | Load FILE as a script in extension language LANGUAGE. |
| 925 | The script is from section SECTION_NAME in OBJFILE at offset OFFSET. */ |
| 926 | |
| 927 | static void |
| 928 | source_script_file (struct auto_load_pspace_info *pspace_info, |
| 929 | struct objfile *objfile, |
| 930 | const struct extension_language_defn *language, |
| 931 | const char *section_name, unsigned int offset, |
| 932 | const char *file) |
| 933 | { |
| 934 | FILE *stream; |
| 935 | char *full_path; |
| 936 | int opened, in_hash_table; |
| 937 | struct cleanup *cleanups; |
| 938 | objfile_script_sourcer_func *sourcer; |
| 939 | |
| 940 | /* Skip this script if support is not compiled in. */ |
| 941 | sourcer = ext_lang_objfile_script_sourcer (language); |
| 942 | if (sourcer == NULL) |
| 943 | { |
| 944 | /* We don't throw an error, the program is still debuggable. */ |
| 945 | maybe_print_unsupported_script_warning (pspace_info, objfile, language, |
| 946 | section_name, offset); |
| 947 | /* We *could* still try to open it, but there's no point. */ |
| 948 | maybe_add_script_file (pspace_info, 0, file, NULL, language); |
| 949 | return; |
| 950 | } |
| 951 | |
| 952 | /* Skip this script if auto-loading it has been disabled. */ |
| 953 | if (!ext_lang_auto_load_enabled (language)) |
| 954 | { |
| 955 | /* No message is printed, just skip it. */ |
| 956 | return; |
| 957 | } |
| 958 | |
| 959 | opened = find_and_open_script (file, 1 /*search_path*/, |
| 960 | &stream, &full_path); |
| 961 | |
| 962 | cleanups = make_cleanup (null_cleanup, NULL); |
| 963 | if (opened) |
| 964 | { |
| 965 | make_cleanup_fclose (stream); |
| 966 | make_cleanup (xfree, full_path); |
| 967 | |
| 968 | if (!file_is_auto_load_safe (full_path, |
| 969 | _("auto-load: Loading %s script " |
| 970 | "\"%s\" from section \"%s\" of " |
| 971 | "objfile \"%s\".\n"), |
| 972 | ext_lang_name (language), full_path, |
| 973 | section_name, objfile_name (objfile))) |
| 974 | opened = 0; |
| 975 | } |
| 976 | else |
| 977 | { |
| 978 | full_path = NULL; |
| 979 | |
| 980 | /* If one script isn't found it's not uncommon for more to not be |
| 981 | found either. We don't want to print a message for each script, |
| 982 | too much noise. Instead, we print the warning once and tell the |
| 983 | user how to find the list of scripts that weren't loaded. |
| 984 | We don't throw an error, the program is still debuggable. |
| 985 | |
| 986 | IWBN if complaints.c were more general-purpose. */ |
| 987 | |
| 988 | maybe_print_script_not_found_warning (pspace_info, objfile, language, |
| 989 | section_name, offset); |
| 990 | } |
| 991 | |
| 992 | in_hash_table = maybe_add_script_file (pspace_info, opened, file, full_path, |
| 993 | language); |
| 994 | |
| 995 | /* If this file is not currently loaded, load it. */ |
| 996 | if (opened && !in_hash_table) |
| 997 | sourcer (language, objfile, stream, full_path); |
| 998 | |
| 999 | do_cleanups (cleanups); |
| 1000 | } |
| 1001 | |
| 1002 | /* Subroutine of source_section_scripts to simplify it. |
| 1003 | Execute SCRIPT as a script in extension language LANG. |
| 1004 | The script is from section SECTION_NAME in OBJFILE at offset OFFSET. */ |
| 1005 | |
| 1006 | static void |
| 1007 | execute_script_contents (struct auto_load_pspace_info *pspace_info, |
| 1008 | struct objfile *objfile, |
| 1009 | const struct extension_language_defn *language, |
| 1010 | const char *section_name, unsigned int offset, |
| 1011 | const char *script) |
| 1012 | { |
| 1013 | objfile_script_executor_func *executor; |
| 1014 | const char *newline, *script_text; |
| 1015 | char *name, *end; |
| 1016 | int is_safe, in_hash_table; |
| 1017 | struct cleanup *cleanups; |
| 1018 | |
| 1019 | cleanups = make_cleanup (null_cleanup, NULL); |
| 1020 | |
| 1021 | /* The first line of the script is the name of the script. |
| 1022 | It must not contain any kind of space character. */ |
| 1023 | name = NULL; |
| 1024 | newline = strchr (script, '\n'); |
| 1025 | if (newline != NULL) |
| 1026 | { |
| 1027 | char *buf, *p; |
| 1028 | |
| 1029 | /* Put the name in a buffer and validate it. */ |
| 1030 | buf = xstrndup (script, newline - script); |
| 1031 | make_cleanup (xfree, buf); |
| 1032 | for (p = buf; *p != '\0'; ++p) |
| 1033 | { |
| 1034 | if (isspace (*p)) |
| 1035 | break; |
| 1036 | } |
| 1037 | /* We don't allow nameless scripts, they're not helpful to the user. */ |
| 1038 | if (p != buf && *p == '\0') |
| 1039 | name = buf; |
| 1040 | } |
| 1041 | if (name == NULL) |
| 1042 | { |
| 1043 | /* We don't throw an error, the program is still debuggable. */ |
| 1044 | warning (_("\ |
| 1045 | Missing/bad script name in entry at offset %u in section %s\n\ |
| 1046 | of file %s."), |
| 1047 | offset, section_name, objfile_name (objfile)); |
| 1048 | do_cleanups (cleanups); |
| 1049 | return; |
| 1050 | } |
| 1051 | script_text = newline + 1; |
| 1052 | |
| 1053 | /* Skip this script if support is not compiled in. */ |
| 1054 | executor = ext_lang_objfile_script_executor (language); |
| 1055 | if (executor == NULL) |
| 1056 | { |
| 1057 | /* We don't throw an error, the program is still debuggable. */ |
| 1058 | maybe_print_unsupported_script_warning (pspace_info, objfile, language, |
| 1059 | section_name, offset); |
| 1060 | maybe_add_script_text (pspace_info, 0, name, language); |
| 1061 | do_cleanups (cleanups); |
| 1062 | return; |
| 1063 | } |
| 1064 | |
| 1065 | /* Skip this script if auto-loading it has been disabled. */ |
| 1066 | if (!ext_lang_auto_load_enabled (language)) |
| 1067 | { |
| 1068 | /* No message is printed, just skip it. */ |
| 1069 | do_cleanups (cleanups); |
| 1070 | return; |
| 1071 | } |
| 1072 | |
| 1073 | is_safe = file_is_auto_load_safe (objfile_name (objfile), |
| 1074 | _("auto-load: Loading %s script " |
| 1075 | "\"%s\" from section \"%s\" of " |
| 1076 | "objfile \"%s\".\n"), |
| 1077 | ext_lang_name (language), name, |
| 1078 | section_name, objfile_name (objfile)); |
| 1079 | |
| 1080 | in_hash_table = maybe_add_script_text (pspace_info, is_safe, name, language); |
| 1081 | |
| 1082 | /* If this file is not currently loaded, load it. */ |
| 1083 | if (is_safe && !in_hash_table) |
| 1084 | executor (language, objfile, name, script_text); |
| 1085 | |
| 1086 | do_cleanups (cleanups); |
| 1087 | } |
| 1088 | |
| 1089 | /* Load scripts specified in OBJFILE. |
| 1090 | START,END delimit a buffer containing a list of nul-terminated |
| 1091 | file names. |
| 1092 | SECTION_NAME is used in error messages. |
| 1093 | |
| 1094 | Scripts specified as file names are found per normal "source -s" command |
| 1095 | processing. First the script is looked for in $cwd. If not found there |
| 1096 | the source search path is used. |
| 1097 | |
| 1098 | The section contains a list of path names of script files to load or |
| 1099 | actual script contents. Each entry is nul-terminated. */ |
| 1100 | |
| 1101 | static void |
| 1102 | source_section_scripts (struct objfile *objfile, const char *section_name, |
| 1103 | const char *start, const char *end) |
| 1104 | { |
| 1105 | const char *p; |
| 1106 | struct auto_load_pspace_info *pspace_info; |
| 1107 | |
| 1108 | pspace_info = get_auto_load_pspace_data_for_loading (current_program_space); |
| 1109 | |
| 1110 | for (p = start; p < end; ++p) |
| 1111 | { |
| 1112 | const char *entry; |
| 1113 | const struct extension_language_defn *language; |
| 1114 | unsigned int offset = p - start; |
| 1115 | int code = *p; |
| 1116 | |
| 1117 | switch (code) |
| 1118 | { |
| 1119 | case SECTION_SCRIPT_ID_PYTHON_FILE: |
| 1120 | case SECTION_SCRIPT_ID_PYTHON_TEXT: |
| 1121 | language = get_ext_lang_defn (EXT_LANG_PYTHON); |
| 1122 | break; |
| 1123 | case SECTION_SCRIPT_ID_SCHEME_FILE: |
| 1124 | case SECTION_SCRIPT_ID_SCHEME_TEXT: |
| 1125 | language = get_ext_lang_defn (EXT_LANG_GUILE); |
| 1126 | break; |
| 1127 | default: |
| 1128 | warning (_("Invalid entry in %s section"), section_name); |
| 1129 | /* We could try various heuristics to find the next valid entry, |
| 1130 | but it's safer to just punt. */ |
| 1131 | return; |
| 1132 | } |
| 1133 | entry = ++p; |
| 1134 | |
| 1135 | while (p < end && *p != '\0') |
| 1136 | ++p; |
| 1137 | if (p == end) |
| 1138 | { |
| 1139 | warning (_("Non-nul-terminated entry in %s at offset %u"), |
| 1140 | section_name, offset); |
| 1141 | /* Don't load/execute it. */ |
| 1142 | break; |
| 1143 | } |
| 1144 | |
| 1145 | switch (code) |
| 1146 | { |
| 1147 | case SECTION_SCRIPT_ID_PYTHON_FILE: |
| 1148 | case SECTION_SCRIPT_ID_SCHEME_FILE: |
| 1149 | if (p == entry) |
| 1150 | { |
| 1151 | warning (_("Empty entry in %s at offset %u"), |
| 1152 | section_name, offset); |
| 1153 | continue; |
| 1154 | } |
| 1155 | source_script_file (pspace_info, objfile, language, |
| 1156 | section_name, offset, entry); |
| 1157 | break; |
| 1158 | case SECTION_SCRIPT_ID_PYTHON_TEXT: |
| 1159 | case SECTION_SCRIPT_ID_SCHEME_TEXT: |
| 1160 | execute_script_contents (pspace_info, objfile, language, |
| 1161 | section_name, offset, entry); |
| 1162 | break; |
| 1163 | } |
| 1164 | } |
| 1165 | } |
| 1166 | |
| 1167 | /* Load scripts specified in section SECTION_NAME of OBJFILE. */ |
| 1168 | |
| 1169 | static void |
| 1170 | auto_load_section_scripts (struct objfile *objfile, const char *section_name) |
| 1171 | { |
| 1172 | bfd *abfd = objfile->obfd; |
| 1173 | asection *scripts_sect; |
| 1174 | bfd_byte *data = NULL; |
| 1175 | |
| 1176 | scripts_sect = bfd_get_section_by_name (abfd, section_name); |
| 1177 | if (scripts_sect == NULL) |
| 1178 | return; |
| 1179 | |
| 1180 | if (!bfd_get_full_section_contents (abfd, scripts_sect, &data)) |
| 1181 | warning (_("Couldn't read %s section of %s"), |
| 1182 | section_name, bfd_get_filename (abfd)); |
| 1183 | else |
| 1184 | { |
| 1185 | struct cleanup *cleanups; |
| 1186 | char *p = (char *) data; |
| 1187 | |
| 1188 | cleanups = make_cleanup (xfree, p); |
| 1189 | source_section_scripts (objfile, section_name, p, |
| 1190 | p + bfd_get_section_size (scripts_sect)); |
| 1191 | do_cleanups (cleanups); |
| 1192 | } |
| 1193 | } |
| 1194 | |
| 1195 | /* Load any auto-loaded scripts for OBJFILE. */ |
| 1196 | |
| 1197 | void |
| 1198 | load_auto_scripts_for_objfile (struct objfile *objfile) |
| 1199 | { |
| 1200 | /* Return immediately if auto-loading has been globally disabled. |
| 1201 | This is to handle sequencing of operations during gdb startup. |
| 1202 | Also return immediately if OBJFILE was not created from a file |
| 1203 | on the local filesystem. */ |
| 1204 | if (!global_auto_load |
| 1205 | || (objfile->flags & OBJF_NOT_FILENAME) != 0 |
| 1206 | || is_target_filename (objfile->original_name)) |
| 1207 | return; |
| 1208 | |
| 1209 | /* Load any extension language scripts for this objfile. |
| 1210 | E.g., foo-gdb.gdb, foo-gdb.py. */ |
| 1211 | auto_load_ext_lang_scripts_for_objfile (objfile); |
| 1212 | |
| 1213 | /* Load any scripts mentioned in AUTO_SECTION_NAME (.debug_gdb_scripts). */ |
| 1214 | auto_load_section_scripts (objfile, AUTO_SECTION_NAME); |
| 1215 | } |
| 1216 | |
| 1217 | /* This is a new_objfile observer callback to auto-load scripts. |
| 1218 | |
| 1219 | Two flavors of auto-loaded scripts are supported. |
| 1220 | 1) based on the path to the objfile |
| 1221 | 2) from .debug_gdb_scripts section */ |
| 1222 | |
| 1223 | static void |
| 1224 | auto_load_new_objfile (struct objfile *objfile) |
| 1225 | { |
| 1226 | if (!objfile) |
| 1227 | { |
| 1228 | /* OBJFILE is NULL when loading a new "main" symbol-file. */ |
| 1229 | clear_section_scripts (); |
| 1230 | return; |
| 1231 | } |
| 1232 | |
| 1233 | load_auto_scripts_for_objfile (objfile); |
| 1234 | } |
| 1235 | |
| 1236 | /* Collect scripts to be printed in a vec. */ |
| 1237 | |
| 1238 | typedef struct loaded_script *loaded_script_ptr; |
| 1239 | DEF_VEC_P (loaded_script_ptr); |
| 1240 | |
| 1241 | struct collect_matching_scripts_data |
| 1242 | { |
| 1243 | VEC (loaded_script_ptr) **scripts_p; |
| 1244 | |
| 1245 | const struct extension_language_defn *language; |
| 1246 | }; |
| 1247 | |
| 1248 | /* Traversal function for htab_traverse. |
| 1249 | Collect the entry if it matches the regexp. */ |
| 1250 | |
| 1251 | static int |
| 1252 | collect_matching_scripts (void **slot, void *info) |
| 1253 | { |
| 1254 | struct loaded_script *script = (struct loaded_script *) *slot; |
| 1255 | struct collect_matching_scripts_data *data |
| 1256 | = (struct collect_matching_scripts_data *) info; |
| 1257 | |
| 1258 | if (script->language == data->language && re_exec (script->name)) |
| 1259 | VEC_safe_push (loaded_script_ptr, *data->scripts_p, script); |
| 1260 | |
| 1261 | return 1; |
| 1262 | } |
| 1263 | |
| 1264 | /* Print SCRIPT. */ |
| 1265 | |
| 1266 | static void |
| 1267 | print_script (struct loaded_script *script) |
| 1268 | { |
| 1269 | struct ui_out *uiout = current_uiout; |
| 1270 | struct cleanup *chain; |
| 1271 | |
| 1272 | chain = make_cleanup_ui_out_tuple_begin_end (uiout, NULL); |
| 1273 | |
| 1274 | ui_out_field_string (uiout, "loaded", script->loaded ? "Yes" : "No"); |
| 1275 | ui_out_field_string (uiout, "script", script->name); |
| 1276 | ui_out_text (uiout, "\n"); |
| 1277 | |
| 1278 | /* If the name isn't the full path, print it too. */ |
| 1279 | if (script->full_path != NULL |
| 1280 | && strcmp (script->name, script->full_path) != 0) |
| 1281 | { |
| 1282 | ui_out_text (uiout, "\tfull name: "); |
| 1283 | ui_out_field_string (uiout, "full_path", script->full_path); |
| 1284 | ui_out_text (uiout, "\n"); |
| 1285 | } |
| 1286 | |
| 1287 | do_cleanups (chain); |
| 1288 | } |
| 1289 | |
| 1290 | /* Helper for info_auto_load_scripts to sort the scripts by name. */ |
| 1291 | |
| 1292 | static int |
| 1293 | sort_scripts_by_name (const void *ap, const void *bp) |
| 1294 | { |
| 1295 | const struct loaded_script *a = *(const struct loaded_script **) ap; |
| 1296 | const struct loaded_script *b = *(const struct loaded_script **) bp; |
| 1297 | |
| 1298 | return FILENAME_CMP (a->name, b->name); |
| 1299 | } |
| 1300 | |
| 1301 | /* Special internal GDB value of auto_load_info_scripts's PATTERN identify |
| 1302 | the "info auto-load XXX" command has been executed through the general |
| 1303 | "info auto-load" invocation. Extra newline will be printed if needed. */ |
| 1304 | char auto_load_info_scripts_pattern_nl[] = ""; |
| 1305 | |
| 1306 | /* Subroutine of auto_load_info_scripts to simplify it. |
| 1307 | Print SCRIPTS. */ |
| 1308 | |
| 1309 | static void |
| 1310 | print_scripts (VEC (loaded_script_ptr) *scripts) |
| 1311 | { |
| 1312 | struct ui_out *uiout = current_uiout; |
| 1313 | int i; |
| 1314 | loaded_script_ptr script; |
| 1315 | |
| 1316 | qsort (VEC_address (loaded_script_ptr, scripts), |
| 1317 | VEC_length (loaded_script_ptr, scripts), |
| 1318 | sizeof (loaded_script_ptr), sort_scripts_by_name); |
| 1319 | for (i = 0; VEC_iterate (loaded_script_ptr, scripts, i, script); ++i) |
| 1320 | print_script (script); |
| 1321 | } |
| 1322 | |
| 1323 | /* Implementation for "info auto-load gdb-scripts" |
| 1324 | (and "info auto-load python-scripts"). List scripts in LANGUAGE matching |
| 1325 | PATTERN. FROM_TTY is the usual GDB boolean for user interactivity. */ |
| 1326 | |
| 1327 | void |
| 1328 | auto_load_info_scripts (char *pattern, int from_tty, |
| 1329 | const struct extension_language_defn *language) |
| 1330 | { |
| 1331 | struct ui_out *uiout = current_uiout; |
| 1332 | struct auto_load_pspace_info *pspace_info; |
| 1333 | struct cleanup *script_chain; |
| 1334 | VEC (loaded_script_ptr) *script_files, *script_texts; |
| 1335 | int nr_scripts; |
| 1336 | |
| 1337 | dont_repeat (); |
| 1338 | |
| 1339 | pspace_info = get_auto_load_pspace_data (current_program_space); |
| 1340 | |
| 1341 | if (pattern && *pattern) |
| 1342 | { |
| 1343 | char *re_err = re_comp (pattern); |
| 1344 | |
| 1345 | if (re_err) |
| 1346 | error (_("Invalid regexp: %s"), re_err); |
| 1347 | } |
| 1348 | else |
| 1349 | { |
| 1350 | re_comp (""); |
| 1351 | } |
| 1352 | |
| 1353 | /* We need to know the number of rows before we build the table. |
| 1354 | Plus we want to sort the scripts by name. |
| 1355 | So first traverse the hash table collecting the matching scripts. */ |
| 1356 | |
| 1357 | script_files = VEC_alloc (loaded_script_ptr, 10); |
| 1358 | script_texts = VEC_alloc (loaded_script_ptr, 10); |
| 1359 | script_chain = make_cleanup (VEC_cleanup (loaded_script_ptr), &script_files); |
| 1360 | make_cleanup (VEC_cleanup (loaded_script_ptr), &script_texts); |
| 1361 | |
| 1362 | if (pspace_info != NULL && pspace_info->loaded_script_files != NULL) |
| 1363 | { |
| 1364 | struct collect_matching_scripts_data data = { &script_files, language }; |
| 1365 | |
| 1366 | /* Pass a pointer to scripts as VEC_safe_push can realloc space. */ |
| 1367 | htab_traverse_noresize (pspace_info->loaded_script_files, |
| 1368 | collect_matching_scripts, &data); |
| 1369 | } |
| 1370 | |
| 1371 | if (pspace_info != NULL && pspace_info->loaded_script_texts != NULL) |
| 1372 | { |
| 1373 | struct collect_matching_scripts_data data = { &script_texts, language }; |
| 1374 | |
| 1375 | /* Pass a pointer to scripts as VEC_safe_push can realloc space. */ |
| 1376 | htab_traverse_noresize (pspace_info->loaded_script_texts, |
| 1377 | collect_matching_scripts, &data); |
| 1378 | } |
| 1379 | |
| 1380 | nr_scripts = (VEC_length (loaded_script_ptr, script_files) |
| 1381 | + VEC_length (loaded_script_ptr, script_texts)); |
| 1382 | |
| 1383 | /* Table header shifted right by preceding "gdb-scripts: " would not match |
| 1384 | its columns. */ |
| 1385 | if (nr_scripts > 0 && pattern == auto_load_info_scripts_pattern_nl) |
| 1386 | ui_out_text (uiout, "\n"); |
| 1387 | |
| 1388 | /* Note: This creates a cleanup to output the table end marker. */ |
| 1389 | make_cleanup_ui_out_table_begin_end (uiout, 2, nr_scripts, |
| 1390 | "AutoLoadedScriptsTable"); |
| 1391 | |
| 1392 | ui_out_table_header (uiout, 7, ui_left, "loaded", "Loaded"); |
| 1393 | ui_out_table_header (uiout, 70, ui_left, "script", "Script"); |
| 1394 | ui_out_table_body (uiout); |
| 1395 | |
| 1396 | print_scripts (script_files); |
| 1397 | print_scripts (script_texts); |
| 1398 | |
| 1399 | /* Finish up the table before checking for no matching scripts. */ |
| 1400 | do_cleanups (script_chain); |
| 1401 | |
| 1402 | if (nr_scripts == 0) |
| 1403 | { |
| 1404 | if (pattern && *pattern) |
| 1405 | ui_out_message (uiout, 0, "No auto-load scripts matching %s.\n", |
| 1406 | pattern); |
| 1407 | else |
| 1408 | ui_out_message (uiout, 0, "No auto-load scripts.\n"); |
| 1409 | } |
| 1410 | } |
| 1411 | |
| 1412 | /* Wrapper for "info auto-load gdb-scripts". */ |
| 1413 | |
| 1414 | static void |
| 1415 | info_auto_load_gdb_scripts (char *pattern, int from_tty) |
| 1416 | { |
| 1417 | auto_load_info_scripts (pattern, from_tty, &extension_language_gdb); |
| 1418 | } |
| 1419 | |
| 1420 | /* Implement 'info auto-load local-gdbinit'. */ |
| 1421 | |
| 1422 | static void |
| 1423 | info_auto_load_local_gdbinit (char *args, int from_tty) |
| 1424 | { |
| 1425 | if (auto_load_local_gdbinit_pathname == NULL) |
| 1426 | printf_filtered (_("Local .gdbinit file was not found.\n")); |
| 1427 | else if (auto_load_local_gdbinit_loaded) |
| 1428 | printf_filtered (_("Local .gdbinit file \"%s\" has been loaded.\n"), |
| 1429 | auto_load_local_gdbinit_pathname); |
| 1430 | else |
| 1431 | printf_filtered (_("Local .gdbinit file \"%s\" has not been loaded.\n"), |
| 1432 | auto_load_local_gdbinit_pathname); |
| 1433 | } |
| 1434 | |
| 1435 | /* Print an "unsupported script" warning if it has not already been printed. |
| 1436 | The script is in language LANGUAGE at offset OFFSET in section SECTION_NAME |
| 1437 | of OBJFILE. */ |
| 1438 | |
| 1439 | static void |
| 1440 | maybe_print_unsupported_script_warning |
| 1441 | (struct auto_load_pspace_info *pspace_info, |
| 1442 | struct objfile *objfile, const struct extension_language_defn *language, |
| 1443 | const char *section_name, unsigned offset) |
| 1444 | { |
| 1445 | if (!pspace_info->unsupported_script_warning_printed) |
| 1446 | { |
| 1447 | warning (_("\ |
| 1448 | Unsupported auto-load script at offset %u in section %s\n\ |
| 1449 | of file %s.\n\ |
| 1450 | Use `info auto-load %s-scripts [REGEXP]' to list them."), |
| 1451 | offset, section_name, objfile_name (objfile), |
| 1452 | ext_lang_name (language)); |
| 1453 | pspace_info->unsupported_script_warning_printed = 1; |
| 1454 | } |
| 1455 | } |
| 1456 | |
| 1457 | /* Return non-zero if SCRIPT_NOT_FOUND_WARNING_PRINTED of PSPACE_INFO was unset |
| 1458 | before calling this function. Always set SCRIPT_NOT_FOUND_WARNING_PRINTED |
| 1459 | of PSPACE_INFO. */ |
| 1460 | |
| 1461 | static void |
| 1462 | maybe_print_script_not_found_warning |
| 1463 | (struct auto_load_pspace_info *pspace_info, |
| 1464 | struct objfile *objfile, const struct extension_language_defn *language, |
| 1465 | const char *section_name, unsigned offset) |
| 1466 | { |
| 1467 | if (!pspace_info->script_not_found_warning_printed) |
| 1468 | { |
| 1469 | warning (_("\ |
| 1470 | Missing auto-load script at offset %u in section %s\n\ |
| 1471 | of file %s.\n\ |
| 1472 | Use `info auto-load %s-scripts [REGEXP]' to list them."), |
| 1473 | offset, section_name, objfile_name (objfile), |
| 1474 | ext_lang_name (language)); |
| 1475 | pspace_info->script_not_found_warning_printed = 1; |
| 1476 | } |
| 1477 | } |
| 1478 | |
| 1479 | /* The only valid "set auto-load" argument is off|0|no|disable. */ |
| 1480 | |
| 1481 | static void |
| 1482 | set_auto_load_cmd (char *args, int from_tty) |
| 1483 | { |
| 1484 | struct cmd_list_element *list; |
| 1485 | size_t length; |
| 1486 | |
| 1487 | /* See parse_binary_operation in use by the sub-commands. */ |
| 1488 | |
| 1489 | length = args ? strlen (args) : 0; |
| 1490 | |
| 1491 | while (length > 0 && (args[length - 1] == ' ' || args[length - 1] == '\t')) |
| 1492 | length--; |
| 1493 | |
| 1494 | if (length == 0 || (strncmp (args, "off", length) != 0 |
| 1495 | && strncmp (args, "0", length) != 0 |
| 1496 | && strncmp (args, "no", length) != 0 |
| 1497 | && strncmp (args, "disable", length) != 0)) |
| 1498 | error (_("Valid is only global 'set auto-load no'; " |
| 1499 | "otherwise check the auto-load sub-commands.")); |
| 1500 | |
| 1501 | for (list = *auto_load_set_cmdlist_get (); list != NULL; list = list->next) |
| 1502 | if (list->var_type == var_boolean) |
| 1503 | { |
| 1504 | gdb_assert (list->type == set_cmd); |
| 1505 | do_set_command (args, from_tty, list); |
| 1506 | } |
| 1507 | } |
| 1508 | |
| 1509 | /* Initialize "set auto-load " commands prefix and return it. */ |
| 1510 | |
| 1511 | struct cmd_list_element ** |
| 1512 | auto_load_set_cmdlist_get (void) |
| 1513 | { |
| 1514 | static struct cmd_list_element *retval; |
| 1515 | |
| 1516 | if (retval == NULL) |
| 1517 | add_prefix_cmd ("auto-load", class_maintenance, set_auto_load_cmd, _("\ |
| 1518 | Auto-loading specific settings.\n\ |
| 1519 | Configure various auto-load-specific variables such as\n\ |
| 1520 | automatic loading of Python scripts."), |
| 1521 | &retval, "set auto-load ", |
| 1522 | 1/*allow-unknown*/, &setlist); |
| 1523 | |
| 1524 | return &retval; |
| 1525 | } |
| 1526 | |
| 1527 | /* Command "show auto-load" displays summary of all the current |
| 1528 | "show auto-load " settings. */ |
| 1529 | |
| 1530 | static void |
| 1531 | show_auto_load_cmd (char *args, int from_tty) |
| 1532 | { |
| 1533 | cmd_show_list (*auto_load_show_cmdlist_get (), from_tty, ""); |
| 1534 | } |
| 1535 | |
| 1536 | /* Initialize "show auto-load " commands prefix and return it. */ |
| 1537 | |
| 1538 | struct cmd_list_element ** |
| 1539 | auto_load_show_cmdlist_get (void) |
| 1540 | { |
| 1541 | static struct cmd_list_element *retval; |
| 1542 | |
| 1543 | if (retval == NULL) |
| 1544 | add_prefix_cmd ("auto-load", class_maintenance, show_auto_load_cmd, _("\ |
| 1545 | Show auto-loading specific settings.\n\ |
| 1546 | Show configuration of various auto-load-specific variables such as\n\ |
| 1547 | automatic loading of Python scripts."), |
| 1548 | &retval, "show auto-load ", |
| 1549 | 0/*allow-unknown*/, &showlist); |
| 1550 | |
| 1551 | return &retval; |
| 1552 | } |
| 1553 | |
| 1554 | /* Command "info auto-load" displays whether the various auto-load files have |
| 1555 | been loaded. This is reimplementation of cmd_show_list which inserts |
| 1556 | newlines at proper places. */ |
| 1557 | |
| 1558 | static void |
| 1559 | info_auto_load_cmd (char *args, int from_tty) |
| 1560 | { |
| 1561 | struct cmd_list_element *list; |
| 1562 | struct cleanup *infolist_chain; |
| 1563 | struct ui_out *uiout = current_uiout; |
| 1564 | |
| 1565 | infolist_chain = make_cleanup_ui_out_tuple_begin_end (uiout, "infolist"); |
| 1566 | |
| 1567 | for (list = *auto_load_info_cmdlist_get (); list != NULL; list = list->next) |
| 1568 | { |
| 1569 | struct cleanup *option_chain |
| 1570 | = make_cleanup_ui_out_tuple_begin_end (uiout, "option"); |
| 1571 | |
| 1572 | gdb_assert (!list->prefixlist); |
| 1573 | gdb_assert (list->type == not_set_cmd); |
| 1574 | |
| 1575 | ui_out_field_string (uiout, "name", list->name); |
| 1576 | ui_out_text (uiout, ": "); |
| 1577 | cmd_func (list, auto_load_info_scripts_pattern_nl, from_tty); |
| 1578 | |
| 1579 | /* Close the tuple. */ |
| 1580 | do_cleanups (option_chain); |
| 1581 | } |
| 1582 | |
| 1583 | /* Close the tuple. */ |
| 1584 | do_cleanups (infolist_chain); |
| 1585 | } |
| 1586 | |
| 1587 | /* Initialize "info auto-load " commands prefix and return it. */ |
| 1588 | |
| 1589 | struct cmd_list_element ** |
| 1590 | auto_load_info_cmdlist_get (void) |
| 1591 | { |
| 1592 | static struct cmd_list_element *retval; |
| 1593 | |
| 1594 | if (retval == NULL) |
| 1595 | add_prefix_cmd ("auto-load", class_info, info_auto_load_cmd, _("\ |
| 1596 | Print current status of auto-loaded files.\n\ |
| 1597 | Print whether various files like Python scripts or .gdbinit files have been\n\ |
| 1598 | found and/or loaded."), |
| 1599 | &retval, "info auto-load ", |
| 1600 | 0/*allow-unknown*/, &infolist); |
| 1601 | |
| 1602 | return &retval; |
| 1603 | } |
| 1604 | |
| 1605 | void _initialize_auto_load (void); |
| 1606 | |
| 1607 | void |
| 1608 | _initialize_auto_load (void) |
| 1609 | { |
| 1610 | struct cmd_list_element *cmd; |
| 1611 | char *scripts_directory_help, *gdb_name_help, *python_name_help; |
| 1612 | char *guile_name_help; |
| 1613 | const char *suffix; |
| 1614 | |
| 1615 | auto_load_pspace_data |
| 1616 | = register_program_space_data_with_cleanup (NULL, |
| 1617 | auto_load_pspace_data_cleanup); |
| 1618 | |
| 1619 | observer_attach_new_objfile (auto_load_new_objfile); |
| 1620 | |
| 1621 | add_setshow_boolean_cmd ("gdb-scripts", class_support, |
| 1622 | &auto_load_gdb_scripts, _("\ |
| 1623 | Enable or disable auto-loading of canned sequences of commands scripts."), _("\ |
| 1624 | Show whether auto-loading of canned sequences of commands scripts is enabled."), |
| 1625 | _("\ |
| 1626 | If enabled, canned sequences of commands are loaded when the debugger reads\n\ |
| 1627 | an executable or shared library.\n\ |
| 1628 | This options has security implications for untrusted inferiors."), |
| 1629 | NULL, show_auto_load_gdb_scripts, |
| 1630 | auto_load_set_cmdlist_get (), |
| 1631 | auto_load_show_cmdlist_get ()); |
| 1632 | |
| 1633 | add_cmd ("gdb-scripts", class_info, info_auto_load_gdb_scripts, |
| 1634 | _("Print the list of automatically loaded sequences of commands.\n\ |
| 1635 | Usage: info auto-load gdb-scripts [REGEXP]"), |
| 1636 | auto_load_info_cmdlist_get ()); |
| 1637 | |
| 1638 | add_setshow_boolean_cmd ("local-gdbinit", class_support, |
| 1639 | &auto_load_local_gdbinit, _("\ |
| 1640 | Enable or disable auto-loading of .gdbinit script in current directory."), _("\ |
| 1641 | Show whether auto-loading .gdbinit script in current directory is enabled."), |
| 1642 | _("\ |
| 1643 | If enabled, canned sequences of commands are loaded when debugger starts\n\ |
| 1644 | from .gdbinit file in current directory. Such files are deprecated,\n\ |
| 1645 | use a script associated with inferior executable file instead.\n\ |
| 1646 | This options has security implications for untrusted inferiors."), |
| 1647 | NULL, show_auto_load_local_gdbinit, |
| 1648 | auto_load_set_cmdlist_get (), |
| 1649 | auto_load_show_cmdlist_get ()); |
| 1650 | |
| 1651 | add_cmd ("local-gdbinit", class_info, info_auto_load_local_gdbinit, |
| 1652 | _("Print whether current directory .gdbinit file has been loaded.\n\ |
| 1653 | Usage: info auto-load local-gdbinit"), |
| 1654 | auto_load_info_cmdlist_get ()); |
| 1655 | |
| 1656 | auto_load_dir = xstrdup (AUTO_LOAD_DIR); |
| 1657 | |
| 1658 | suffix = ext_lang_auto_load_suffix (get_ext_lang_defn (EXT_LANG_GDB)); |
| 1659 | gdb_name_help |
| 1660 | = xstrprintf (_("\ |
| 1661 | GDB scripts: OBJFILE%s\n"), |
| 1662 | suffix); |
| 1663 | python_name_help = NULL; |
| 1664 | #ifdef HAVE_PYTHON |
| 1665 | suffix = ext_lang_auto_load_suffix (get_ext_lang_defn (EXT_LANG_PYTHON)); |
| 1666 | python_name_help |
| 1667 | = xstrprintf (_("\ |
| 1668 | Python scripts: OBJFILE%s\n"), |
| 1669 | suffix); |
| 1670 | #endif |
| 1671 | guile_name_help = NULL; |
| 1672 | #ifdef HAVE_GUILE |
| 1673 | suffix = ext_lang_auto_load_suffix (get_ext_lang_defn (EXT_LANG_GUILE)); |
| 1674 | guile_name_help |
| 1675 | = xstrprintf (_("\ |
| 1676 | Guile scripts: OBJFILE%s\n"), |
| 1677 | suffix); |
| 1678 | #endif |
| 1679 | scripts_directory_help |
| 1680 | = xstrprintf (_("\ |
| 1681 | Automatically loaded scripts are located in one of the directories listed\n\ |
| 1682 | by this option.\n\ |
| 1683 | \n\ |
| 1684 | Script names:\n\ |
| 1685 | %s%s%s\ |
| 1686 | \n\ |
| 1687 | This option is ignored for the kinds of scripts \ |
| 1688 | having 'set auto-load ... off'.\n\ |
| 1689 | Directories listed here need to be present also \ |
| 1690 | in the 'set auto-load safe-path'\n\ |
| 1691 | option."), |
| 1692 | gdb_name_help, |
| 1693 | python_name_help ? python_name_help : "", |
| 1694 | guile_name_help ? guile_name_help : ""); |
| 1695 | |
| 1696 | add_setshow_optional_filename_cmd ("scripts-directory", class_support, |
| 1697 | &auto_load_dir, _("\ |
| 1698 | Set the list of directories from which to load auto-loaded scripts."), _("\ |
| 1699 | Show the list of directories from which to load auto-loaded scripts."), |
| 1700 | scripts_directory_help, |
| 1701 | set_auto_load_dir, show_auto_load_dir, |
| 1702 | auto_load_set_cmdlist_get (), |
| 1703 | auto_load_show_cmdlist_get ()); |
| 1704 | xfree (scripts_directory_help); |
| 1705 | xfree (python_name_help); |
| 1706 | xfree (gdb_name_help); |
| 1707 | xfree (guile_name_help); |
| 1708 | |
| 1709 | auto_load_safe_path = xstrdup (AUTO_LOAD_SAFE_PATH); |
| 1710 | auto_load_safe_path_vec_update (); |
| 1711 | add_setshow_optional_filename_cmd ("safe-path", class_support, |
| 1712 | &auto_load_safe_path, _("\ |
| 1713 | Set the list of files and directories that are safe for auto-loading."), _("\ |
| 1714 | Show the list of files and directories that are safe for auto-loading."), _("\ |
| 1715 | Various files loaded automatically for the 'set auto-load ...' options must\n\ |
| 1716 | be located in one of the directories listed by this option. Warning will be\n\ |
| 1717 | printed and file will not be used otherwise.\n\ |
| 1718 | You can mix both directory and filename entries.\n\ |
| 1719 | Setting this parameter to an empty list resets it to its default value.\n\ |
| 1720 | Setting this parameter to '/' (without the quotes) allows any file\n\ |
| 1721 | for the 'set auto-load ...' options. Each path entry can be also shell\n\ |
| 1722 | wildcard pattern; '*' does not match directory separator.\n\ |
| 1723 | This option is ignored for the kinds of files having 'set auto-load ... off'.\n\ |
| 1724 | This options has security implications for untrusted inferiors."), |
| 1725 | set_auto_load_safe_path, |
| 1726 | show_auto_load_safe_path, |
| 1727 | auto_load_set_cmdlist_get (), |
| 1728 | auto_load_show_cmdlist_get ()); |
| 1729 | observer_attach_gdb_datadir_changed (auto_load_gdb_datadir_changed); |
| 1730 | |
| 1731 | cmd = add_cmd ("add-auto-load-safe-path", class_support, |
| 1732 | add_auto_load_safe_path, |
| 1733 | _("Add entries to the list of directories from which it is safe " |
| 1734 | "to auto-load files.\n\ |
| 1735 | See the commands 'set auto-load safe-path' and 'show auto-load safe-path' to\n\ |
| 1736 | access the current full list setting."), |
| 1737 | &cmdlist); |
| 1738 | set_cmd_completer (cmd, filename_completer); |
| 1739 | |
| 1740 | cmd = add_cmd ("add-auto-load-scripts-directory", class_support, |
| 1741 | add_auto_load_dir, |
| 1742 | _("Add entries to the list of directories from which to load " |
| 1743 | "auto-loaded scripts.\n\ |
| 1744 | See the commands 'set auto-load scripts-directory' and\n\ |
| 1745 | 'show auto-load scripts-directory' to access the current full list setting."), |
| 1746 | &cmdlist); |
| 1747 | set_cmd_completer (cmd, filename_completer); |
| 1748 | |
| 1749 | add_setshow_boolean_cmd ("auto-load", class_maintenance, |
| 1750 | &debug_auto_load, _("\ |
| 1751 | Set auto-load verifications debugging."), _("\ |
| 1752 | Show auto-load verifications debugging."), _("\ |
| 1753 | When non-zero, debugging output for files of 'set auto-load ...'\n\ |
| 1754 | is displayed."), |
| 1755 | NULL, show_debug_auto_load, |
| 1756 | &setdebuglist, &showdebuglist); |
| 1757 | } |