| 1 | /* Support for GDB maintenance commands. |
| 2 | |
| 3 | Copyright (C) 1992-2020 Free Software Foundation, Inc. |
| 4 | |
| 5 | Written by Fred Fish at Cygnus Support. |
| 6 | |
| 7 | This file is part of GDB. |
| 8 | |
| 9 | This program is free software; you can redistribute it and/or modify |
| 10 | it under the terms of the GNU General Public License as published by |
| 11 | the Free Software Foundation; either version 3 of the License, or |
| 12 | (at your option) any later version. |
| 13 | |
| 14 | This program is distributed in the hope that it will be useful, |
| 15 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | GNU General Public License for more details. |
| 18 | |
| 19 | You should have received a copy of the GNU General Public License |
| 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 21 | |
| 22 | |
| 23 | #include "defs.h" |
| 24 | #include "arch-utils.h" |
| 25 | #include <ctype.h> |
| 26 | #include <cmath> |
| 27 | #include <signal.h> |
| 28 | #include "command.h" |
| 29 | #include "gdbcmd.h" |
| 30 | #include "symtab.h" |
| 31 | #include "block.h" |
| 32 | #include "gdbtypes.h" |
| 33 | #include "demangle.h" |
| 34 | #include "gdbcore.h" |
| 35 | #include "expression.h" /* For language.h */ |
| 36 | #include "language.h" |
| 37 | #include "symfile.h" |
| 38 | #include "objfiles.h" |
| 39 | #include "value.h" |
| 40 | #include "top.h" |
| 41 | #include "maint.h" |
| 42 | #include "gdbsupport/selftest.h" |
| 43 | |
| 44 | #include "cli/cli-decode.h" |
| 45 | #include "cli/cli-utils.h" |
| 46 | #include "cli/cli-setshow.h" |
| 47 | #include "cli/cli-cmds.h" |
| 48 | |
| 49 | #if CXX_STD_THREAD |
| 50 | #include "gdbsupport/thread-pool.h" |
| 51 | #endif |
| 52 | |
| 53 | static void maintenance_do_deprecate (const char *, int); |
| 54 | |
| 55 | #ifndef _WIN32 |
| 56 | static void |
| 57 | maintenance_dump_me (const char *args, int from_tty) |
| 58 | { |
| 59 | if (query (_("Should GDB dump core? "))) |
| 60 | { |
| 61 | #ifdef __DJGPP__ |
| 62 | /* SIGQUIT by default is ignored, so use SIGABRT instead. */ |
| 63 | signal (SIGABRT, SIG_DFL); |
| 64 | kill (getpid (), SIGABRT); |
| 65 | #else |
| 66 | signal (SIGQUIT, SIG_DFL); |
| 67 | kill (getpid (), SIGQUIT); |
| 68 | #endif |
| 69 | } |
| 70 | } |
| 71 | #endif |
| 72 | |
| 73 | /* Stimulate the internal error mechanism that GDB uses when an |
| 74 | internal problem is detected. Allows testing of the mechanism. |
| 75 | Also useful when the user wants to drop a core file but not exit |
| 76 | GDB. */ |
| 77 | |
| 78 | static void |
| 79 | maintenance_internal_error (const char *args, int from_tty) |
| 80 | { |
| 81 | internal_error (__FILE__, __LINE__, "%s", (args == NULL ? "" : args)); |
| 82 | } |
| 83 | |
| 84 | /* Stimulate the internal error mechanism that GDB uses when an |
| 85 | internal problem is detected. Allows testing of the mechanism. |
| 86 | Also useful when the user wants to drop a core file but not exit |
| 87 | GDB. */ |
| 88 | |
| 89 | static void |
| 90 | maintenance_internal_warning (const char *args, int from_tty) |
| 91 | { |
| 92 | internal_warning (__FILE__, __LINE__, "%s", (args == NULL ? "" : args)); |
| 93 | } |
| 94 | |
| 95 | /* Stimulate the internal error mechanism that GDB uses when an |
| 96 | demangler problem is detected. Allows testing of the mechanism. */ |
| 97 | |
| 98 | static void |
| 99 | maintenance_demangler_warning (const char *args, int from_tty) |
| 100 | { |
| 101 | demangler_warning (__FILE__, __LINE__, "%s", (args == NULL ? "" : args)); |
| 102 | } |
| 103 | |
| 104 | /* Old command to demangle a string. The command has been moved to "demangle". |
| 105 | It is kept for now because otherwise "mt demangle" gets interpreted as |
| 106 | "mt demangler-warning" which artificially creates an internal gdb error. */ |
| 107 | |
| 108 | static void |
| 109 | maintenance_demangle (const char *args, int from_tty) |
| 110 | { |
| 111 | printf_filtered (_("This command has been moved to \"demangle\".\n")); |
| 112 | } |
| 113 | |
| 114 | static void |
| 115 | maintenance_time_display (const char *args, int from_tty) |
| 116 | { |
| 117 | if (args == NULL || *args == '\0') |
| 118 | printf_unfiltered (_("\"maintenance time\" takes a numeric argument.\n")); |
| 119 | else |
| 120 | set_per_command_time (strtol (args, NULL, 10)); |
| 121 | } |
| 122 | |
| 123 | static void |
| 124 | maintenance_space_display (const char *args, int from_tty) |
| 125 | { |
| 126 | if (args == NULL || *args == '\0') |
| 127 | printf_unfiltered ("\"maintenance space\" takes a numeric argument.\n"); |
| 128 | else |
| 129 | set_per_command_space (strtol (args, NULL, 10)); |
| 130 | } |
| 131 | |
| 132 | /* Mini tokenizing lexer for 'maint info sections' command. */ |
| 133 | |
| 134 | static int |
| 135 | match_substring (const char *string, const char *substr) |
| 136 | { |
| 137 | int substr_len = strlen(substr); |
| 138 | const char *tok; |
| 139 | |
| 140 | while ((tok = strstr (string, substr)) != NULL) |
| 141 | { |
| 142 | /* Got a partial match. Is it a whole word? */ |
| 143 | if (tok == string |
| 144 | || tok[-1] == ' ' |
| 145 | || tok[-1] == '\t') |
| 146 | { |
| 147 | /* Token is delimited at the front... */ |
| 148 | if (tok[substr_len] == ' ' |
| 149 | || tok[substr_len] == '\t' |
| 150 | || tok[substr_len] == '\0') |
| 151 | { |
| 152 | /* Token is delimited at the rear. Got a whole-word match. */ |
| 153 | return 1; |
| 154 | } |
| 155 | } |
| 156 | /* Token didn't match as a whole word. Advance and try again. */ |
| 157 | string = tok + 1; |
| 158 | } |
| 159 | return 0; |
| 160 | } |
| 161 | |
| 162 | static int |
| 163 | match_bfd_flags (const char *string, flagword flags) |
| 164 | { |
| 165 | if (flags & SEC_ALLOC) |
| 166 | if (match_substring (string, "ALLOC")) |
| 167 | return 1; |
| 168 | if (flags & SEC_LOAD) |
| 169 | if (match_substring (string, "LOAD")) |
| 170 | return 1; |
| 171 | if (flags & SEC_RELOC) |
| 172 | if (match_substring (string, "RELOC")) |
| 173 | return 1; |
| 174 | if (flags & SEC_READONLY) |
| 175 | if (match_substring (string, "READONLY")) |
| 176 | return 1; |
| 177 | if (flags & SEC_CODE) |
| 178 | if (match_substring (string, "CODE")) |
| 179 | return 1; |
| 180 | if (flags & SEC_DATA) |
| 181 | if (match_substring (string, "DATA")) |
| 182 | return 1; |
| 183 | if (flags & SEC_ROM) |
| 184 | if (match_substring (string, "ROM")) |
| 185 | return 1; |
| 186 | if (flags & SEC_CONSTRUCTOR) |
| 187 | if (match_substring (string, "CONSTRUCTOR")) |
| 188 | return 1; |
| 189 | if (flags & SEC_HAS_CONTENTS) |
| 190 | if (match_substring (string, "HAS_CONTENTS")) |
| 191 | return 1; |
| 192 | if (flags & SEC_NEVER_LOAD) |
| 193 | if (match_substring (string, "NEVER_LOAD")) |
| 194 | return 1; |
| 195 | if (flags & SEC_COFF_SHARED_LIBRARY) |
| 196 | if (match_substring (string, "COFF_SHARED_LIBRARY")) |
| 197 | return 1; |
| 198 | if (flags & SEC_IS_COMMON) |
| 199 | if (match_substring (string, "IS_COMMON")) |
| 200 | return 1; |
| 201 | |
| 202 | return 0; |
| 203 | } |
| 204 | |
| 205 | static void |
| 206 | print_bfd_flags (flagword flags) |
| 207 | { |
| 208 | if (flags & SEC_ALLOC) |
| 209 | printf_filtered (" ALLOC"); |
| 210 | if (flags & SEC_LOAD) |
| 211 | printf_filtered (" LOAD"); |
| 212 | if (flags & SEC_RELOC) |
| 213 | printf_filtered (" RELOC"); |
| 214 | if (flags & SEC_READONLY) |
| 215 | printf_filtered (" READONLY"); |
| 216 | if (flags & SEC_CODE) |
| 217 | printf_filtered (" CODE"); |
| 218 | if (flags & SEC_DATA) |
| 219 | printf_filtered (" DATA"); |
| 220 | if (flags & SEC_ROM) |
| 221 | printf_filtered (" ROM"); |
| 222 | if (flags & SEC_CONSTRUCTOR) |
| 223 | printf_filtered (" CONSTRUCTOR"); |
| 224 | if (flags & SEC_HAS_CONTENTS) |
| 225 | printf_filtered (" HAS_CONTENTS"); |
| 226 | if (flags & SEC_NEVER_LOAD) |
| 227 | printf_filtered (" NEVER_LOAD"); |
| 228 | if (flags & SEC_COFF_SHARED_LIBRARY) |
| 229 | printf_filtered (" COFF_SHARED_LIBRARY"); |
| 230 | if (flags & SEC_IS_COMMON) |
| 231 | printf_filtered (" IS_COMMON"); |
| 232 | } |
| 233 | |
| 234 | static void |
| 235 | maint_print_section_info (const char *name, flagword flags, |
| 236 | CORE_ADDR addr, CORE_ADDR endaddr, |
| 237 | unsigned long filepos, int addr_size) |
| 238 | { |
| 239 | printf_filtered (" %s", hex_string_custom (addr, addr_size)); |
| 240 | printf_filtered ("->%s", hex_string_custom (endaddr, addr_size)); |
| 241 | printf_filtered (" at %s", |
| 242 | hex_string_custom ((unsigned long) filepos, 8)); |
| 243 | printf_filtered (": %s", name); |
| 244 | print_bfd_flags (flags); |
| 245 | printf_filtered ("\n"); |
| 246 | } |
| 247 | |
| 248 | /* Information passed between the "maintenance info sections" command, and |
| 249 | the worker function that prints each section. */ |
| 250 | struct maint_print_section_data |
| 251 | { |
| 252 | /* The GDB objfile we're printing this section for. */ |
| 253 | struct objfile *objfile; |
| 254 | |
| 255 | /* The argument string passed by the user to the top level maintenance |
| 256 | info sections command. Used for filtering which sections are |
| 257 | printed. */ |
| 258 | const char *arg; |
| 259 | |
| 260 | /* The number of digits in the highest section index for all sections |
| 261 | from the bfd object associated with OBJFILE. Used when pretty |
| 262 | printing the index number to ensure all of the indexes line up. */ |
| 263 | int index_digits; |
| 264 | |
| 265 | /* Constructor. */ |
| 266 | maint_print_section_data (struct objfile *objfile, const char *arg, |
| 267 | bfd *abfd) |
| 268 | : objfile (objfile), |
| 269 | arg(arg) |
| 270 | { |
| 271 | int section_count = gdb_bfd_count_sections (abfd); |
| 272 | index_digits = ((int) log10 ((float) section_count)) + 1; |
| 273 | } |
| 274 | |
| 275 | private: |
| 276 | maint_print_section_data () = delete; |
| 277 | maint_print_section_data (const maint_print_section_data &) = delete; |
| 278 | }; |
| 279 | |
| 280 | /* Helper function to pretty-print the section index of ASECT from ABFD. |
| 281 | The INDEX_DIGITS is the number of digits in the largest index that will |
| 282 | be printed, and is used to pretty-print the resulting string. */ |
| 283 | |
| 284 | static void |
| 285 | print_section_index (bfd *abfd, |
| 286 | asection *asect, |
| 287 | int index_digits) |
| 288 | { |
| 289 | std::string result |
| 290 | = string_printf (" [%d] ", gdb_bfd_section_index (abfd, asect)); |
| 291 | /* The '+ 4' for the leading and trailing characters. */ |
| 292 | printf_filtered ("%-*s", (index_digits + 4), result.c_str ()); |
| 293 | } |
| 294 | |
| 295 | /* Print information about ASECT from ABFD. DATUM holds a pointer to a |
| 296 | maint_print_section_data object. The section will be printed using the |
| 297 | VMA's from the bfd, which will not be the relocated addresses for bfds |
| 298 | that should be relocated. The information must be printed with the |
| 299 | same layout as PRINT_OBJFILE_SECTION_INFO below. */ |
| 300 | |
| 301 | static void |
| 302 | print_bfd_section_info (bfd *abfd, |
| 303 | asection *asect, |
| 304 | void *datum) |
| 305 | { |
| 306 | flagword flags = bfd_section_flags (asect); |
| 307 | const char *name = bfd_section_name (asect); |
| 308 | maint_print_section_data *print_data = (maint_print_section_data *) datum; |
| 309 | const char *arg = print_data->arg; |
| 310 | |
| 311 | if (arg == NULL || *arg == '\0' |
| 312 | || match_substring (arg, name) |
| 313 | || match_bfd_flags (arg, flags)) |
| 314 | { |
| 315 | struct gdbarch *gdbarch = gdbarch_from_bfd (abfd); |
| 316 | int addr_size = gdbarch_addr_bit (gdbarch) / 8; |
| 317 | CORE_ADDR addr, endaddr; |
| 318 | |
| 319 | addr = bfd_section_vma (asect); |
| 320 | endaddr = addr + bfd_section_size (asect); |
| 321 | print_section_index (abfd, asect, print_data->index_digits); |
| 322 | maint_print_section_info (name, flags, addr, endaddr, |
| 323 | asect->filepos, addr_size); |
| 324 | } |
| 325 | } |
| 326 | |
| 327 | /* Print information about ASECT which is GDB's wrapper around a section |
| 328 | from ABFD. The information must be printed with the same layout as |
| 329 | PRINT_BFD_SECTION_INFO above. PRINT_DATA holds information used to |
| 330 | filter which sections are printed, and for formatting the output. */ |
| 331 | |
| 332 | static void |
| 333 | print_objfile_section_info (bfd *abfd, |
| 334 | struct obj_section *asect, |
| 335 | maint_print_section_data *print_data) |
| 336 | { |
| 337 | flagword flags = bfd_section_flags (asect->the_bfd_section); |
| 338 | const char *name = bfd_section_name (asect->the_bfd_section); |
| 339 | const char *string = print_data->arg; |
| 340 | |
| 341 | if (string == NULL || *string == '\0' |
| 342 | || match_substring (string, name) |
| 343 | || match_bfd_flags (string, flags)) |
| 344 | { |
| 345 | struct gdbarch *gdbarch = gdbarch_from_bfd (abfd); |
| 346 | int addr_size = gdbarch_addr_bit (gdbarch) / 8; |
| 347 | |
| 348 | print_section_index (abfd, asect->the_bfd_section, |
| 349 | print_data->index_digits); |
| 350 | maint_print_section_info (name, flags, |
| 351 | obj_section_addr (asect), |
| 352 | obj_section_endaddr (asect), |
| 353 | asect->the_bfd_section->filepos, |
| 354 | addr_size); |
| 355 | } |
| 356 | } |
| 357 | |
| 358 | /* Find an obj_section, GDB's wrapper around a bfd section for ASECTION |
| 359 | from ABFD. It might be that no such wrapper exists (for example debug |
| 360 | sections don't have such wrappers) in which case nullptr is returned. */ |
| 361 | |
| 362 | static obj_section * |
| 363 | maint_obj_section_from_bfd_section (bfd *abfd, |
| 364 | asection *asection, |
| 365 | objfile *ofile) |
| 366 | { |
| 367 | if (ofile->sections == nullptr) |
| 368 | return nullptr; |
| 369 | |
| 370 | obj_section *osect |
| 371 | = &ofile->sections[gdb_bfd_section_index (abfd, asection)]; |
| 372 | |
| 373 | if (osect >= ofile->sections_end) |
| 374 | return nullptr; |
| 375 | |
| 376 | return osect; |
| 377 | } |
| 378 | |
| 379 | /* Print information about ASECT from ABFD. DATUM holds a pointer to a |
| 380 | maint_print_section_data object. Where possible the information for |
| 381 | ASECT will print the relocated addresses of the section. */ |
| 382 | |
| 383 | static void |
| 384 | print_bfd_section_info_maybe_relocated (bfd *abfd, |
| 385 | asection *asect, |
| 386 | void *datum) |
| 387 | { |
| 388 | maint_print_section_data *print_data = (maint_print_section_data *) datum; |
| 389 | objfile *objfile = print_data->objfile; |
| 390 | |
| 391 | gdb_assert (objfile->sections != NULL); |
| 392 | obj_section *osect |
| 393 | = maint_obj_section_from_bfd_section (abfd, asect, objfile); |
| 394 | |
| 395 | if (osect->the_bfd_section == NULL) |
| 396 | print_bfd_section_info (abfd, asect, datum); |
| 397 | else |
| 398 | print_objfile_section_info (abfd, osect, print_data); |
| 399 | } |
| 400 | |
| 401 | /* Implement the "maintenance info sections" command. */ |
| 402 | |
| 403 | static void |
| 404 | maintenance_info_sections (const char *arg, int from_tty) |
| 405 | { |
| 406 | if (exec_bfd) |
| 407 | { |
| 408 | bool allobj = false; |
| 409 | |
| 410 | printf_filtered (_("Exec file:\n")); |
| 411 | printf_filtered (" `%s', ", bfd_get_filename (exec_bfd)); |
| 412 | wrap_here (" "); |
| 413 | printf_filtered (_("file type %s.\n"), bfd_get_target (exec_bfd)); |
| 414 | |
| 415 | /* Only this function cares about the 'ALLOBJ' argument; |
| 416 | if 'ALLOBJ' is the only argument, discard it rather than |
| 417 | passing it down to print_objfile_section_info (which |
| 418 | wouldn't know how to handle it). */ |
| 419 | if (arg && strcmp (arg, "ALLOBJ") == 0) |
| 420 | { |
| 421 | arg = NULL; |
| 422 | allobj = true; |
| 423 | } |
| 424 | |
| 425 | for (objfile *ofile : current_program_space->objfiles ()) |
| 426 | { |
| 427 | if (allobj) |
| 428 | printf_filtered (_(" Object file: %s\n"), |
| 429 | bfd_get_filename (ofile->obfd)); |
| 430 | else if (ofile->obfd != exec_bfd) |
| 431 | continue; |
| 432 | |
| 433 | maint_print_section_data print_data (ofile, arg, ofile->obfd); |
| 434 | |
| 435 | bfd_map_over_sections (ofile->obfd, |
| 436 | print_bfd_section_info_maybe_relocated, |
| 437 | (void *) &print_data); |
| 438 | } |
| 439 | } |
| 440 | |
| 441 | if (core_bfd) |
| 442 | { |
| 443 | maint_print_section_data print_data (nullptr, arg, core_bfd); |
| 444 | |
| 445 | printf_filtered (_("Core file:\n")); |
| 446 | printf_filtered (" `%s', ", bfd_get_filename (core_bfd)); |
| 447 | wrap_here (" "); |
| 448 | printf_filtered (_("file type %s.\n"), bfd_get_target (core_bfd)); |
| 449 | bfd_map_over_sections (core_bfd, print_bfd_section_info, |
| 450 | (void *) &print_data); |
| 451 | } |
| 452 | } |
| 453 | |
| 454 | static void |
| 455 | maintenance_print_statistics (const char *args, int from_tty) |
| 456 | { |
| 457 | print_objfile_statistics (); |
| 458 | print_symbol_bcache_statistics (); |
| 459 | } |
| 460 | |
| 461 | static void |
| 462 | maintenance_print_architecture (const char *args, int from_tty) |
| 463 | { |
| 464 | struct gdbarch *gdbarch = get_current_arch (); |
| 465 | |
| 466 | if (args == NULL) |
| 467 | gdbarch_dump (gdbarch, gdb_stdout); |
| 468 | else |
| 469 | { |
| 470 | stdio_file file; |
| 471 | |
| 472 | if (!file.open (args, "w")) |
| 473 | perror_with_name (_("maintenance print architecture")); |
| 474 | gdbarch_dump (gdbarch, &file); |
| 475 | } |
| 476 | } |
| 477 | |
| 478 | /* The "maintenance translate-address" command converts a section and address |
| 479 | to a symbol. This can be called in two ways: |
| 480 | maintenance translate-address <secname> <addr> |
| 481 | or maintenance translate-address <addr>. */ |
| 482 | |
| 483 | static void |
| 484 | maintenance_translate_address (const char *arg, int from_tty) |
| 485 | { |
| 486 | CORE_ADDR address; |
| 487 | struct obj_section *sect; |
| 488 | const char *p; |
| 489 | struct bound_minimal_symbol sym; |
| 490 | |
| 491 | if (arg == NULL || *arg == 0) |
| 492 | error (_("requires argument (address or section + address)")); |
| 493 | |
| 494 | sect = NULL; |
| 495 | p = arg; |
| 496 | |
| 497 | if (!isdigit (*p)) |
| 498 | { /* See if we have a valid section name. */ |
| 499 | while (*p && !isspace (*p)) /* Find end of section name. */ |
| 500 | p++; |
| 501 | if (*p == '\000') /* End of command? */ |
| 502 | error (_("Need to specify section name and address")); |
| 503 | |
| 504 | int arg_len = p - arg; |
| 505 | p = skip_spaces (p + 1); |
| 506 | |
| 507 | for (objfile *objfile : current_program_space->objfiles ()) |
| 508 | ALL_OBJFILE_OSECTIONS (objfile, sect) |
| 509 | { |
| 510 | if (strncmp (sect->the_bfd_section->name, arg, arg_len) == 0) |
| 511 | goto found; |
| 512 | } |
| 513 | |
| 514 | error (_("Unknown section %s."), arg); |
| 515 | found: ; |
| 516 | } |
| 517 | |
| 518 | address = parse_and_eval_address (p); |
| 519 | |
| 520 | if (sect) |
| 521 | sym = lookup_minimal_symbol_by_pc_section (address, sect); |
| 522 | else |
| 523 | sym = lookup_minimal_symbol_by_pc (address); |
| 524 | |
| 525 | if (sym.minsym) |
| 526 | { |
| 527 | const char *symbol_name = sym.minsym->print_name (); |
| 528 | const char *symbol_offset |
| 529 | = pulongest (address - BMSYMBOL_VALUE_ADDRESS (sym)); |
| 530 | |
| 531 | sect = MSYMBOL_OBJ_SECTION(sym.objfile, sym.minsym); |
| 532 | if (sect != NULL) |
| 533 | { |
| 534 | const char *section_name; |
| 535 | const char *obj_name; |
| 536 | |
| 537 | gdb_assert (sect->the_bfd_section && sect->the_bfd_section->name); |
| 538 | section_name = sect->the_bfd_section->name; |
| 539 | |
| 540 | gdb_assert (sect->objfile && objfile_name (sect->objfile)); |
| 541 | obj_name = objfile_name (sect->objfile); |
| 542 | |
| 543 | if (current_program_space->multi_objfile_p ()) |
| 544 | printf_filtered (_("%s + %s in section %s of %s\n"), |
| 545 | symbol_name, symbol_offset, |
| 546 | section_name, obj_name); |
| 547 | else |
| 548 | printf_filtered (_("%s + %s in section %s\n"), |
| 549 | symbol_name, symbol_offset, section_name); |
| 550 | } |
| 551 | else |
| 552 | printf_filtered (_("%s + %s\n"), symbol_name, symbol_offset); |
| 553 | } |
| 554 | else if (sect) |
| 555 | printf_filtered (_("no symbol at %s:%s\n"), |
| 556 | sect->the_bfd_section->name, hex_string (address)); |
| 557 | else |
| 558 | printf_filtered (_("no symbol at %s\n"), hex_string (address)); |
| 559 | |
| 560 | return; |
| 561 | } |
| 562 | |
| 563 | |
| 564 | /* When a command is deprecated the user will be warned the first time |
| 565 | the command is used. If possible, a replacement will be |
| 566 | offered. */ |
| 567 | |
| 568 | static void |
| 569 | maintenance_deprecate (const char *args, int from_tty) |
| 570 | { |
| 571 | if (args == NULL || *args == '\0') |
| 572 | { |
| 573 | printf_unfiltered (_("\"maintenance deprecate\" takes an argument,\n\ |
| 574 | the command you want to deprecate, and optionally the replacement command\n\ |
| 575 | enclosed in quotes.\n")); |
| 576 | } |
| 577 | |
| 578 | maintenance_do_deprecate (args, 1); |
| 579 | } |
| 580 | |
| 581 | |
| 582 | static void |
| 583 | maintenance_undeprecate (const char *args, int from_tty) |
| 584 | { |
| 585 | if (args == NULL || *args == '\0') |
| 586 | { |
| 587 | printf_unfiltered (_("\"maintenance undeprecate\" takes an argument, \n\ |
| 588 | the command you want to undeprecate.\n")); |
| 589 | } |
| 590 | |
| 591 | maintenance_do_deprecate (args, 0); |
| 592 | } |
| 593 | |
| 594 | /* You really shouldn't be using this. It is just for the testsuite. |
| 595 | Rather, you should use deprecate_cmd() when the command is created |
| 596 | in _initialize_blah(). |
| 597 | |
| 598 | This function deprecates a command and optionally assigns it a |
| 599 | replacement. */ |
| 600 | |
| 601 | static void |
| 602 | maintenance_do_deprecate (const char *text, int deprecate) |
| 603 | { |
| 604 | struct cmd_list_element *alias = NULL; |
| 605 | struct cmd_list_element *prefix_cmd = NULL; |
| 606 | struct cmd_list_element *cmd = NULL; |
| 607 | |
| 608 | const char *start_ptr = NULL; |
| 609 | const char *end_ptr = NULL; |
| 610 | int len; |
| 611 | char *replacement = NULL; |
| 612 | |
| 613 | if (text == NULL) |
| 614 | return; |
| 615 | |
| 616 | if (!lookup_cmd_composition (text, &alias, &prefix_cmd, &cmd)) |
| 617 | { |
| 618 | printf_filtered (_("Can't find command '%s' to deprecate.\n"), text); |
| 619 | return; |
| 620 | } |
| 621 | |
| 622 | if (deprecate) |
| 623 | { |
| 624 | /* Look for a replacement command. */ |
| 625 | start_ptr = strchr (text, '\"'); |
| 626 | if (start_ptr != NULL) |
| 627 | { |
| 628 | start_ptr++; |
| 629 | end_ptr = strrchr (start_ptr, '\"'); |
| 630 | if (end_ptr != NULL) |
| 631 | { |
| 632 | len = end_ptr - start_ptr; |
| 633 | replacement = savestring (start_ptr, len); |
| 634 | } |
| 635 | } |
| 636 | } |
| 637 | |
| 638 | if (!start_ptr || !end_ptr) |
| 639 | replacement = NULL; |
| 640 | |
| 641 | |
| 642 | /* If they used an alias, we only want to deprecate the alias. |
| 643 | |
| 644 | Note the MALLOCED_REPLACEMENT test. If the command's replacement |
| 645 | string was allocated at compile time we don't want to free the |
| 646 | memory. */ |
| 647 | if (alias) |
| 648 | { |
| 649 | if (alias->malloced_replacement) |
| 650 | xfree ((char *) alias->replacement); |
| 651 | |
| 652 | if (deprecate) |
| 653 | { |
| 654 | alias->deprecated_warn_user = 1; |
| 655 | alias->cmd_deprecated = 1; |
| 656 | } |
| 657 | else |
| 658 | { |
| 659 | alias->deprecated_warn_user = 0; |
| 660 | alias->cmd_deprecated = 0; |
| 661 | } |
| 662 | alias->replacement = replacement; |
| 663 | alias->malloced_replacement = 1; |
| 664 | return; |
| 665 | } |
| 666 | else if (cmd) |
| 667 | { |
| 668 | if (cmd->malloced_replacement) |
| 669 | xfree ((char *) cmd->replacement); |
| 670 | |
| 671 | if (deprecate) |
| 672 | { |
| 673 | cmd->deprecated_warn_user = 1; |
| 674 | cmd->cmd_deprecated = 1; |
| 675 | } |
| 676 | else |
| 677 | { |
| 678 | cmd->deprecated_warn_user = 0; |
| 679 | cmd->cmd_deprecated = 0; |
| 680 | } |
| 681 | cmd->replacement = replacement; |
| 682 | cmd->malloced_replacement = 1; |
| 683 | return; |
| 684 | } |
| 685 | xfree (replacement); |
| 686 | } |
| 687 | |
| 688 | /* Maintenance set/show framework. */ |
| 689 | |
| 690 | struct cmd_list_element *maintenance_set_cmdlist; |
| 691 | struct cmd_list_element *maintenance_show_cmdlist; |
| 692 | |
| 693 | /* "maintenance with" command. */ |
| 694 | |
| 695 | static void |
| 696 | maintenance_with_cmd (const char *args, int from_tty) |
| 697 | { |
| 698 | with_command_1 ("maintenance set ", maintenance_set_cmdlist, args, from_tty); |
| 699 | } |
| 700 | |
| 701 | /* "maintenance with" command completer. */ |
| 702 | |
| 703 | static void |
| 704 | maintenance_with_cmd_completer (struct cmd_list_element *ignore, |
| 705 | completion_tracker &tracker, |
| 706 | const char *text, const char * /*word*/) |
| 707 | { |
| 708 | with_command_completer_1 ("maintenance set ", tracker, text); |
| 709 | } |
| 710 | |
| 711 | /* Profiling support. */ |
| 712 | |
| 713 | static bool maintenance_profile_p; |
| 714 | static void |
| 715 | show_maintenance_profile_p (struct ui_file *file, int from_tty, |
| 716 | struct cmd_list_element *c, const char *value) |
| 717 | { |
| 718 | fprintf_filtered (file, _("Internal profiling is %s.\n"), value); |
| 719 | } |
| 720 | |
| 721 | #ifdef HAVE__ETEXT |
| 722 | extern char _etext; |
| 723 | #define TEXTEND &_etext |
| 724 | #elif defined (HAVE_ETEXT) |
| 725 | extern char etext; |
| 726 | #define TEXTEND &etext |
| 727 | #endif |
| 728 | |
| 729 | #if defined (HAVE_MONSTARTUP) && defined (HAVE__MCLEANUP) && defined (TEXTEND) |
| 730 | |
| 731 | static int profiling_state; |
| 732 | |
| 733 | EXTERN_C void _mcleanup (void); |
| 734 | |
| 735 | static void |
| 736 | mcleanup_wrapper (void) |
| 737 | { |
| 738 | if (profiling_state) |
| 739 | _mcleanup (); |
| 740 | } |
| 741 | |
| 742 | EXTERN_C void monstartup (unsigned long, unsigned long); |
| 743 | extern int main (); |
| 744 | |
| 745 | static void |
| 746 | maintenance_set_profile_cmd (const char *args, int from_tty, |
| 747 | struct cmd_list_element *c) |
| 748 | { |
| 749 | if (maintenance_profile_p == profiling_state) |
| 750 | return; |
| 751 | |
| 752 | profiling_state = maintenance_profile_p; |
| 753 | |
| 754 | if (maintenance_profile_p) |
| 755 | { |
| 756 | static int profiling_initialized; |
| 757 | |
| 758 | if (!profiling_initialized) |
| 759 | { |
| 760 | atexit (mcleanup_wrapper); |
| 761 | profiling_initialized = 1; |
| 762 | } |
| 763 | |
| 764 | /* "main" is now always the first function in the text segment, so use |
| 765 | its address for monstartup. */ |
| 766 | monstartup ((unsigned long) &main, (unsigned long) TEXTEND); |
| 767 | } |
| 768 | else |
| 769 | { |
| 770 | extern void _mcleanup (void); |
| 771 | |
| 772 | _mcleanup (); |
| 773 | } |
| 774 | } |
| 775 | #else |
| 776 | static void |
| 777 | maintenance_set_profile_cmd (const char *args, int from_tty, |
| 778 | struct cmd_list_element *c) |
| 779 | { |
| 780 | error (_("Profiling support is not available on this system.")); |
| 781 | } |
| 782 | #endif |
| 783 | |
| 784 | static int n_worker_threads = -1; |
| 785 | |
| 786 | /* Update the thread pool for the desired number of threads. */ |
| 787 | static void |
| 788 | update_thread_pool_size () |
| 789 | { |
| 790 | #if CXX_STD_THREAD |
| 791 | int n_threads = n_worker_threads; |
| 792 | |
| 793 | if (n_threads < 0) |
| 794 | n_threads = std::thread::hardware_concurrency (); |
| 795 | |
| 796 | gdb::thread_pool::g_thread_pool->set_thread_count (n_threads); |
| 797 | #endif |
| 798 | } |
| 799 | |
| 800 | static void |
| 801 | maintenance_set_worker_threads (const char *args, int from_tty, |
| 802 | struct cmd_list_element *c) |
| 803 | { |
| 804 | update_thread_pool_size (); |
| 805 | } |
| 806 | |
| 807 | \f |
| 808 | /* If true, display time usage both at startup and for each command. */ |
| 809 | |
| 810 | static bool per_command_time; |
| 811 | |
| 812 | /* If true, display space usage both at startup and for each command. */ |
| 813 | |
| 814 | static bool per_command_space; |
| 815 | |
| 816 | /* If true, display basic symtab stats for each command. */ |
| 817 | |
| 818 | static bool per_command_symtab; |
| 819 | |
| 820 | /* mt per-command commands. */ |
| 821 | |
| 822 | static struct cmd_list_element *per_command_setlist; |
| 823 | static struct cmd_list_element *per_command_showlist; |
| 824 | |
| 825 | /* Set whether to display time statistics to NEW_VALUE |
| 826 | (non-zero means true). */ |
| 827 | |
| 828 | void |
| 829 | set_per_command_time (int new_value) |
| 830 | { |
| 831 | per_command_time = new_value; |
| 832 | } |
| 833 | |
| 834 | /* Set whether to display space statistics to NEW_VALUE |
| 835 | (non-zero means true). */ |
| 836 | |
| 837 | void |
| 838 | set_per_command_space (int new_value) |
| 839 | { |
| 840 | per_command_space = new_value; |
| 841 | } |
| 842 | |
| 843 | /* Count the number of symtabs and blocks. */ |
| 844 | |
| 845 | static void |
| 846 | count_symtabs_and_blocks (int *nr_symtabs_ptr, int *nr_compunit_symtabs_ptr, |
| 847 | int *nr_blocks_ptr) |
| 848 | { |
| 849 | int nr_symtabs = 0; |
| 850 | int nr_compunit_symtabs = 0; |
| 851 | int nr_blocks = 0; |
| 852 | |
| 853 | /* When collecting statistics during startup, this is called before |
| 854 | pretty much anything in gdb has been initialized, and thus |
| 855 | current_program_space may be NULL. */ |
| 856 | if (current_program_space != NULL) |
| 857 | { |
| 858 | for (objfile *o : current_program_space->objfiles ()) |
| 859 | { |
| 860 | for (compunit_symtab *cu : o->compunits ()) |
| 861 | { |
| 862 | ++nr_compunit_symtabs; |
| 863 | nr_blocks += BLOCKVECTOR_NBLOCKS (COMPUNIT_BLOCKVECTOR (cu)); |
| 864 | nr_symtabs += std::distance (compunit_filetabs (cu).begin (), |
| 865 | compunit_filetabs (cu).end ()); |
| 866 | } |
| 867 | } |
| 868 | } |
| 869 | |
| 870 | *nr_symtabs_ptr = nr_symtabs; |
| 871 | *nr_compunit_symtabs_ptr = nr_compunit_symtabs; |
| 872 | *nr_blocks_ptr = nr_blocks; |
| 873 | } |
| 874 | |
| 875 | /* As indicated by display_time and display_space, report GDB's |
| 876 | elapsed time and space usage from the base time and space recorded |
| 877 | in this object. */ |
| 878 | |
| 879 | scoped_command_stats::~scoped_command_stats () |
| 880 | { |
| 881 | /* Early exit if we're not reporting any stats. It can be expensive to |
| 882 | compute the pre-command values so don't collect them at all if we're |
| 883 | not reporting stats. Alas this doesn't work in the startup case because |
| 884 | we don't know yet whether we will be reporting the stats. For the |
| 885 | startup case collect the data anyway (it should be cheap at this point), |
| 886 | and leave it to the reporter to decide whether to print them. */ |
| 887 | if (m_msg_type |
| 888 | && !per_command_time |
| 889 | && !per_command_space |
| 890 | && !per_command_symtab) |
| 891 | return; |
| 892 | |
| 893 | if (m_time_enabled && per_command_time) |
| 894 | { |
| 895 | print_time (_("command finished")); |
| 896 | |
| 897 | using namespace std::chrono; |
| 898 | |
| 899 | run_time_clock::duration cmd_time |
| 900 | = run_time_clock::now () - m_start_cpu_time; |
| 901 | |
| 902 | steady_clock::duration wall_time |
| 903 | = steady_clock::now () - m_start_wall_time; |
| 904 | /* Subtract time spend in prompt_for_continue from walltime. */ |
| 905 | wall_time -= get_prompt_for_continue_wait_time (); |
| 906 | |
| 907 | printf_unfiltered (!m_msg_type |
| 908 | ? _("Startup time: %.6f (cpu), %.6f (wall)\n") |
| 909 | : _("Command execution time: %.6f (cpu), %.6f (wall)\n"), |
| 910 | duration<double> (cmd_time).count (), |
| 911 | duration<double> (wall_time).count ()); |
| 912 | } |
| 913 | |
| 914 | if (m_space_enabled && per_command_space) |
| 915 | { |
| 916 | #ifdef HAVE_USEFUL_SBRK |
| 917 | char *lim = (char *) sbrk (0); |
| 918 | |
| 919 | long space_now = lim - lim_at_start; |
| 920 | long space_diff = space_now - m_start_space; |
| 921 | |
| 922 | printf_unfiltered (!m_msg_type |
| 923 | ? _("Space used: %ld (%s%ld during startup)\n") |
| 924 | : _("Space used: %ld (%s%ld for this command)\n"), |
| 925 | space_now, |
| 926 | (space_diff >= 0 ? "+" : ""), |
| 927 | space_diff); |
| 928 | #endif |
| 929 | } |
| 930 | |
| 931 | if (m_symtab_enabled && per_command_symtab) |
| 932 | { |
| 933 | int nr_symtabs, nr_compunit_symtabs, nr_blocks; |
| 934 | |
| 935 | count_symtabs_and_blocks (&nr_symtabs, &nr_compunit_symtabs, &nr_blocks); |
| 936 | printf_unfiltered (_("#symtabs: %d (+%d)," |
| 937 | " #compunits: %d (+%d)," |
| 938 | " #blocks: %d (+%d)\n"), |
| 939 | nr_symtabs, |
| 940 | nr_symtabs - m_start_nr_symtabs, |
| 941 | nr_compunit_symtabs, |
| 942 | (nr_compunit_symtabs |
| 943 | - m_start_nr_compunit_symtabs), |
| 944 | nr_blocks, |
| 945 | nr_blocks - m_start_nr_blocks); |
| 946 | } |
| 947 | } |
| 948 | |
| 949 | scoped_command_stats::scoped_command_stats (bool msg_type) |
| 950 | : m_msg_type (msg_type) |
| 951 | { |
| 952 | if (!m_msg_type || per_command_space) |
| 953 | { |
| 954 | #ifdef HAVE_USEFUL_SBRK |
| 955 | char *lim = (char *) sbrk (0); |
| 956 | m_start_space = lim - lim_at_start; |
| 957 | m_space_enabled = 1; |
| 958 | #endif |
| 959 | } |
| 960 | else |
| 961 | m_space_enabled = 0; |
| 962 | |
| 963 | if (msg_type == 0 || per_command_time) |
| 964 | { |
| 965 | using namespace std::chrono; |
| 966 | |
| 967 | m_start_cpu_time = run_time_clock::now (); |
| 968 | m_start_wall_time = steady_clock::now (); |
| 969 | m_time_enabled = 1; |
| 970 | |
| 971 | if (per_command_time) |
| 972 | print_time (_("command started")); |
| 973 | } |
| 974 | else |
| 975 | m_time_enabled = 0; |
| 976 | |
| 977 | if (msg_type == 0 || per_command_symtab) |
| 978 | { |
| 979 | int nr_symtabs, nr_compunit_symtabs, nr_blocks; |
| 980 | |
| 981 | count_symtabs_and_blocks (&nr_symtabs, &nr_compunit_symtabs, &nr_blocks); |
| 982 | m_start_nr_symtabs = nr_symtabs; |
| 983 | m_start_nr_compunit_symtabs = nr_compunit_symtabs; |
| 984 | m_start_nr_blocks = nr_blocks; |
| 985 | m_symtab_enabled = 1; |
| 986 | } |
| 987 | else |
| 988 | m_symtab_enabled = 0; |
| 989 | |
| 990 | /* Initialize timer to keep track of how long we waited for the user. */ |
| 991 | reset_prompt_for_continue_wait_time (); |
| 992 | } |
| 993 | |
| 994 | /* See maint.h. */ |
| 995 | |
| 996 | void |
| 997 | scoped_command_stats::print_time (const char *msg) |
| 998 | { |
| 999 | using namespace std::chrono; |
| 1000 | |
| 1001 | auto now = system_clock::now (); |
| 1002 | auto ticks = now.time_since_epoch ().count () / (1000 * 1000); |
| 1003 | auto millis = ticks % 1000; |
| 1004 | |
| 1005 | std::time_t as_time = system_clock::to_time_t (now); |
| 1006 | struct tm tm; |
| 1007 | localtime_r (&as_time, &tm); |
| 1008 | |
| 1009 | char out[100]; |
| 1010 | strftime (out, sizeof (out), "%F %H:%M:%S", &tm); |
| 1011 | |
| 1012 | printf_unfiltered ("%s.%03d - %s\n", out, (int) millis, msg); |
| 1013 | } |
| 1014 | |
| 1015 | /* Handle unknown "mt set per-command" arguments. |
| 1016 | In this case have "mt set per-command on|off" affect every setting. */ |
| 1017 | |
| 1018 | static void |
| 1019 | set_per_command_cmd (const char *args, int from_tty) |
| 1020 | { |
| 1021 | struct cmd_list_element *list; |
| 1022 | int val; |
| 1023 | |
| 1024 | val = parse_cli_boolean_value (args); |
| 1025 | if (val < 0) |
| 1026 | error (_("Bad value for 'mt set per-command no'.")); |
| 1027 | |
| 1028 | for (list = per_command_setlist; list != NULL; list = list->next) |
| 1029 | if (list->var_type == var_boolean) |
| 1030 | { |
| 1031 | gdb_assert (list->type == set_cmd); |
| 1032 | do_set_command (args, from_tty, list); |
| 1033 | } |
| 1034 | } |
| 1035 | |
| 1036 | \f |
| 1037 | |
| 1038 | /* The "maintenance selftest" command. */ |
| 1039 | |
| 1040 | static void |
| 1041 | maintenance_selftest (const char *args, int from_tty) |
| 1042 | { |
| 1043 | #if GDB_SELF_TEST |
| 1044 | selftests::run_tests (args); |
| 1045 | #else |
| 1046 | printf_filtered (_("\ |
| 1047 | Selftests have been disabled for this build.\n")); |
| 1048 | #endif |
| 1049 | } |
| 1050 | |
| 1051 | static void |
| 1052 | maintenance_info_selftests (const char *arg, int from_tty) |
| 1053 | { |
| 1054 | #if GDB_SELF_TEST |
| 1055 | printf_filtered ("Registered selftests:\n"); |
| 1056 | selftests::for_each_selftest ([] (const std::string &name) { |
| 1057 | printf_filtered (" - %s\n", name.c_str ()); |
| 1058 | }); |
| 1059 | #else |
| 1060 | printf_filtered (_("\ |
| 1061 | Selftests have been disabled for this build.\n")); |
| 1062 | #endif |
| 1063 | } |
| 1064 | |
| 1065 | \f |
| 1066 | void _initialize_maint_cmds (); |
| 1067 | void |
| 1068 | _initialize_maint_cmds () |
| 1069 | { |
| 1070 | struct cmd_list_element *cmd; |
| 1071 | |
| 1072 | add_basic_prefix_cmd ("maintenance", class_maintenance, _("\ |
| 1073 | Commands for use by GDB maintainers.\n\ |
| 1074 | Includes commands to dump specific internal GDB structures in\n\ |
| 1075 | a human readable form, to cause GDB to deliberately dump core, etc."), |
| 1076 | &maintenancelist, "maintenance ", 0, |
| 1077 | &cmdlist); |
| 1078 | |
| 1079 | add_com_alias ("mt", "maintenance", class_maintenance, 1); |
| 1080 | |
| 1081 | add_basic_prefix_cmd ("info", class_maintenance, _("\ |
| 1082 | Commands for showing internal info about the program being debugged."), |
| 1083 | &maintenanceinfolist, "maintenance info ", 0, |
| 1084 | &maintenancelist); |
| 1085 | add_alias_cmd ("i", "info", class_maintenance, 1, &maintenancelist); |
| 1086 | |
| 1087 | add_cmd ("sections", class_maintenance, maintenance_info_sections, _("\ |
| 1088 | List the BFD sections of the exec and core files.\n\ |
| 1089 | Arguments may be any combination of:\n\ |
| 1090 | [one or more section names]\n\ |
| 1091 | ALLOC LOAD RELOC READONLY CODE DATA ROM CONSTRUCTOR\n\ |
| 1092 | HAS_CONTENTS NEVER_LOAD COFF_SHARED_LIBRARY IS_COMMON\n\ |
| 1093 | Sections matching any argument will be listed (no argument\n\ |
| 1094 | implies all sections). In addition, the special argument\n\ |
| 1095 | ALLOBJ\n\ |
| 1096 | lists all sections from all object files, including shared libraries."), |
| 1097 | &maintenanceinfolist); |
| 1098 | |
| 1099 | add_basic_prefix_cmd ("print", class_maintenance, |
| 1100 | _("Maintenance command for printing GDB internal state."), |
| 1101 | &maintenanceprintlist, "maintenance print ", 0, |
| 1102 | &maintenancelist); |
| 1103 | |
| 1104 | add_basic_prefix_cmd ("set", class_maintenance, _("\ |
| 1105 | Set GDB internal variables used by the GDB maintainer.\n\ |
| 1106 | Configure variables internal to GDB that aid in GDB's maintenance"), |
| 1107 | &maintenance_set_cmdlist, "maintenance set ", |
| 1108 | 0/*allow-unknown*/, |
| 1109 | &maintenancelist); |
| 1110 | |
| 1111 | add_show_prefix_cmd ("show", class_maintenance, _("\ |
| 1112 | Show GDB internal variables used by the GDB maintainer.\n\ |
| 1113 | Configure variables internal to GDB that aid in GDB's maintenance"), |
| 1114 | &maintenance_show_cmdlist, "maintenance show ", |
| 1115 | 0/*allow-unknown*/, |
| 1116 | &maintenancelist); |
| 1117 | |
| 1118 | cmd = add_cmd ("with", class_maintenance, maintenance_with_cmd, _("\ |
| 1119 | Like \"with\", but works with \"maintenance set\" variables.\n\ |
| 1120 | Usage: maintenance with SETTING [VALUE] [-- COMMAND]\n\ |
| 1121 | With no COMMAND, repeats the last executed command.\n\ |
| 1122 | SETTING is any setting you can change with the \"maintenance set\"\n\ |
| 1123 | subcommands."), |
| 1124 | &maintenancelist); |
| 1125 | set_cmd_completer_handle_brkchars (cmd, maintenance_with_cmd_completer); |
| 1126 | |
| 1127 | #ifndef _WIN32 |
| 1128 | add_cmd ("dump-me", class_maintenance, maintenance_dump_me, _("\ |
| 1129 | Get fatal error; make debugger dump its core.\n\ |
| 1130 | GDB sets its handling of SIGQUIT back to SIG_DFL and then sends\n\ |
| 1131 | itself a SIGQUIT signal."), |
| 1132 | &maintenancelist); |
| 1133 | #endif |
| 1134 | |
| 1135 | add_cmd ("internal-error", class_maintenance, |
| 1136 | maintenance_internal_error, _("\ |
| 1137 | Give GDB an internal error.\n\ |
| 1138 | Cause GDB to behave as if an internal error was detected."), |
| 1139 | &maintenancelist); |
| 1140 | |
| 1141 | add_cmd ("internal-warning", class_maintenance, |
| 1142 | maintenance_internal_warning, _("\ |
| 1143 | Give GDB an internal warning.\n\ |
| 1144 | Cause GDB to behave as if an internal warning was reported."), |
| 1145 | &maintenancelist); |
| 1146 | |
| 1147 | add_cmd ("demangler-warning", class_maintenance, |
| 1148 | maintenance_demangler_warning, _("\ |
| 1149 | Give GDB a demangler warning.\n\ |
| 1150 | Cause GDB to behave as if a demangler warning was reported."), |
| 1151 | &maintenancelist); |
| 1152 | |
| 1153 | cmd = add_cmd ("demangle", class_maintenance, maintenance_demangle, _("\ |
| 1154 | This command has been moved to \"demangle\"."), |
| 1155 | &maintenancelist); |
| 1156 | deprecate_cmd (cmd, "demangle"); |
| 1157 | |
| 1158 | add_prefix_cmd ("per-command", class_maintenance, set_per_command_cmd, _("\ |
| 1159 | Per-command statistics settings."), |
| 1160 | &per_command_setlist, "maintenance set per-command ", |
| 1161 | 1/*allow-unknown*/, &maintenance_set_cmdlist); |
| 1162 | |
| 1163 | add_show_prefix_cmd ("per-command", class_maintenance, _("\ |
| 1164 | Show per-command statistics settings."), |
| 1165 | &per_command_showlist, "maintenance show per-command ", |
| 1166 | 0/*allow-unknown*/, &maintenance_show_cmdlist); |
| 1167 | |
| 1168 | add_setshow_boolean_cmd ("time", class_maintenance, |
| 1169 | &per_command_time, _("\ |
| 1170 | Set whether to display per-command execution time."), _("\ |
| 1171 | Show whether to display per-command execution time."), |
| 1172 | _("\ |
| 1173 | If enabled, the execution time for each command will be\n\ |
| 1174 | displayed following the command's output."), |
| 1175 | NULL, NULL, |
| 1176 | &per_command_setlist, &per_command_showlist); |
| 1177 | |
| 1178 | add_setshow_boolean_cmd ("space", class_maintenance, |
| 1179 | &per_command_space, _("\ |
| 1180 | Set whether to display per-command space usage."), _("\ |
| 1181 | Show whether to display per-command space usage."), |
| 1182 | _("\ |
| 1183 | If enabled, the space usage for each command will be\n\ |
| 1184 | displayed following the command's output."), |
| 1185 | NULL, NULL, |
| 1186 | &per_command_setlist, &per_command_showlist); |
| 1187 | |
| 1188 | add_setshow_boolean_cmd ("symtab", class_maintenance, |
| 1189 | &per_command_symtab, _("\ |
| 1190 | Set whether to display per-command symtab statistics."), _("\ |
| 1191 | Show whether to display per-command symtab statistics."), |
| 1192 | _("\ |
| 1193 | If enabled, the basic symtab statistics for each command will be\n\ |
| 1194 | displayed following the command's output."), |
| 1195 | NULL, NULL, |
| 1196 | &per_command_setlist, &per_command_showlist); |
| 1197 | |
| 1198 | /* This is equivalent to "mt set per-command time on". |
| 1199 | Kept because some people are used to typing "mt time 1". */ |
| 1200 | add_cmd ("time", class_maintenance, maintenance_time_display, _("\ |
| 1201 | Set the display of time usage.\n\ |
| 1202 | If nonzero, will cause the execution time for each command to be\n\ |
| 1203 | displayed, following the command's output."), |
| 1204 | &maintenancelist); |
| 1205 | |
| 1206 | /* This is equivalent to "mt set per-command space on". |
| 1207 | Kept because some people are used to typing "mt space 1". */ |
| 1208 | add_cmd ("space", class_maintenance, maintenance_space_display, _("\ |
| 1209 | Set the display of space usage.\n\ |
| 1210 | If nonzero, will cause the execution space for each command to be\n\ |
| 1211 | displayed, following the command's output."), |
| 1212 | &maintenancelist); |
| 1213 | |
| 1214 | add_cmd ("type", class_maintenance, maintenance_print_type, _("\ |
| 1215 | Print a type chain for a given symbol.\n\ |
| 1216 | For each node in a type chain, print the raw data for each member of\n\ |
| 1217 | the type structure, and the interpretation of the data."), |
| 1218 | &maintenanceprintlist); |
| 1219 | |
| 1220 | add_cmd ("statistics", class_maintenance, maintenance_print_statistics, |
| 1221 | _("Print statistics about internal gdb state."), |
| 1222 | &maintenanceprintlist); |
| 1223 | |
| 1224 | add_cmd ("architecture", class_maintenance, |
| 1225 | maintenance_print_architecture, _("\ |
| 1226 | Print the internal architecture configuration.\n\ |
| 1227 | Takes an optional file parameter."), |
| 1228 | &maintenanceprintlist); |
| 1229 | |
| 1230 | add_basic_prefix_cmd ("check", class_maintenance, _("\ |
| 1231 | Commands for checking internal gdb state."), |
| 1232 | &maintenancechecklist, "maintenance check ", 0, |
| 1233 | &maintenancelist); |
| 1234 | |
| 1235 | add_cmd ("translate-address", class_maintenance, |
| 1236 | maintenance_translate_address, |
| 1237 | _("Translate a section name and address to a symbol."), |
| 1238 | &maintenancelist); |
| 1239 | |
| 1240 | add_cmd ("deprecate", class_maintenance, maintenance_deprecate, _("\ |
| 1241 | Deprecate a command (for testing purposes).\n\ |
| 1242 | Usage: maintenance deprecate COMMANDNAME [\"REPLACEMENT\"]\n\ |
| 1243 | This is used by the testsuite to check the command deprecator.\n\ |
| 1244 | You probably shouldn't use this,\n\ |
| 1245 | rather you should use the C function deprecate_cmd()."), &maintenancelist); |
| 1246 | |
| 1247 | add_cmd ("undeprecate", class_maintenance, maintenance_undeprecate, _("\ |
| 1248 | Undeprecate a command (for testing purposes).\n\ |
| 1249 | Usage: maintenance undeprecate COMMANDNAME\n\ |
| 1250 | This is used by the testsuite to check the command deprecator.\n\ |
| 1251 | You probably shouldn't use this."), |
| 1252 | &maintenancelist); |
| 1253 | |
| 1254 | add_cmd ("selftest", class_maintenance, maintenance_selftest, _("\ |
| 1255 | Run gdb's unit tests.\n\ |
| 1256 | Usage: maintenance selftest [FILTER]\n\ |
| 1257 | This will run any unit tests that were built in to gdb.\n\ |
| 1258 | If a filter is given, only the tests with that value in their name will ran."), |
| 1259 | &maintenancelist); |
| 1260 | |
| 1261 | add_cmd ("selftests", class_maintenance, maintenance_info_selftests, |
| 1262 | _("List the registered selftests."), &maintenanceinfolist); |
| 1263 | |
| 1264 | add_setshow_boolean_cmd ("profile", class_maintenance, |
| 1265 | &maintenance_profile_p, _("\ |
| 1266 | Set internal profiling."), _("\ |
| 1267 | Show internal profiling."), _("\ |
| 1268 | When enabled GDB is profiled."), |
| 1269 | maintenance_set_profile_cmd, |
| 1270 | show_maintenance_profile_p, |
| 1271 | &maintenance_set_cmdlist, |
| 1272 | &maintenance_show_cmdlist); |
| 1273 | |
| 1274 | add_setshow_zuinteger_unlimited_cmd ("worker-threads", |
| 1275 | class_maintenance, |
| 1276 | &n_worker_threads, _("\ |
| 1277 | Set the number of worker threads GDB can use."), _("\ |
| 1278 | Show the number of worker threads GDB can use."), _("\ |
| 1279 | GDB may use multiple threads to speed up certain CPU-intensive operations,\n\ |
| 1280 | such as demangling symbol names."), |
| 1281 | maintenance_set_worker_threads, NULL, |
| 1282 | &maintenance_set_cmdlist, |
| 1283 | &maintenance_show_cmdlist); |
| 1284 | |
| 1285 | update_thread_pool_size (); |
| 1286 | } |