| 1 | /* Do various things to symbol tables (other than lookup), for GDB. |
| 2 | |
| 3 | Copyright (C) 1986-2014 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 "symtab.h" |
| 22 | #include "gdbtypes.h" |
| 23 | #include "bfd.h" |
| 24 | #include "filenames.h" |
| 25 | #include "symfile.h" |
| 26 | #include "objfiles.h" |
| 27 | #include "breakpoint.h" |
| 28 | #include "command.h" |
| 29 | #include "gdb_obstack.h" |
| 30 | #include "exceptions.h" |
| 31 | #include "language.h" |
| 32 | #include "bcache.h" |
| 33 | #include "block.h" |
| 34 | #include "gdb_regex.h" |
| 35 | #include <sys/stat.h> |
| 36 | #include "dictionary.h" |
| 37 | #include "typeprint.h" |
| 38 | #include "gdbcmd.h" |
| 39 | #include "source.h" |
| 40 | |
| 41 | #include <string.h> |
| 42 | #include "readline/readline.h" |
| 43 | |
| 44 | #include "psymtab.h" |
| 45 | |
| 46 | #ifndef DEV_TTY |
| 47 | #define DEV_TTY "/dev/tty" |
| 48 | #endif |
| 49 | |
| 50 | /* Unfortunately for debugging, stderr is usually a macro. This is painful |
| 51 | when calling functions that take FILE *'s from the debugger. |
| 52 | So we make a variable which has the same value and which is accessible when |
| 53 | debugging GDB with itself. Because stdin et al need not be constants, |
| 54 | we initialize them in the _initialize_symmisc function at the bottom |
| 55 | of the file. */ |
| 56 | FILE *std_in; |
| 57 | FILE *std_out; |
| 58 | FILE *std_err; |
| 59 | |
| 60 | /* Prototypes for local functions */ |
| 61 | |
| 62 | static int block_depth (struct block *); |
| 63 | |
| 64 | void _initialize_symmisc (void); |
| 65 | |
| 66 | struct print_symbol_args |
| 67 | { |
| 68 | struct gdbarch *gdbarch; |
| 69 | struct symbol *symbol; |
| 70 | int depth; |
| 71 | struct ui_file *outfile; |
| 72 | }; |
| 73 | |
| 74 | static int print_symbol (void *); |
| 75 | \f |
| 76 | |
| 77 | void |
| 78 | print_symbol_bcache_statistics (void) |
| 79 | { |
| 80 | struct program_space *pspace; |
| 81 | struct objfile *objfile; |
| 82 | |
| 83 | ALL_PSPACES (pspace) |
| 84 | ALL_PSPACE_OBJFILES (pspace, objfile) |
| 85 | { |
| 86 | QUIT; |
| 87 | printf_filtered (_("Byte cache statistics for '%s':\n"), |
| 88 | objfile_name (objfile)); |
| 89 | print_bcache_statistics (psymbol_bcache_get_bcache (objfile->psymbol_cache), |
| 90 | "partial symbol cache"); |
| 91 | print_bcache_statistics (objfile->per_bfd->macro_cache, |
| 92 | "preprocessor macro cache"); |
| 93 | print_bcache_statistics (objfile->per_bfd->filename_cache, |
| 94 | "file name cache"); |
| 95 | } |
| 96 | } |
| 97 | |
| 98 | void |
| 99 | print_objfile_statistics (void) |
| 100 | { |
| 101 | struct program_space *pspace; |
| 102 | struct objfile *objfile; |
| 103 | struct symtab *s; |
| 104 | int i, linetables, blockvectors; |
| 105 | |
| 106 | ALL_PSPACES (pspace) |
| 107 | ALL_PSPACE_OBJFILES (pspace, objfile) |
| 108 | { |
| 109 | QUIT; |
| 110 | printf_filtered (_("Statistics for '%s':\n"), objfile_name (objfile)); |
| 111 | if (OBJSTAT (objfile, n_stabs) > 0) |
| 112 | printf_filtered (_(" Number of \"stab\" symbols read: %d\n"), |
| 113 | OBJSTAT (objfile, n_stabs)); |
| 114 | if (OBJSTAT (objfile, n_minsyms) > 0) |
| 115 | printf_filtered (_(" Number of \"minimal\" symbols read: %d\n"), |
| 116 | OBJSTAT (objfile, n_minsyms)); |
| 117 | if (OBJSTAT (objfile, n_psyms) > 0) |
| 118 | printf_filtered (_(" Number of \"partial\" symbols read: %d\n"), |
| 119 | OBJSTAT (objfile, n_psyms)); |
| 120 | if (OBJSTAT (objfile, n_syms) > 0) |
| 121 | printf_filtered (_(" Number of \"full\" symbols read: %d\n"), |
| 122 | OBJSTAT (objfile, n_syms)); |
| 123 | if (OBJSTAT (objfile, n_types) > 0) |
| 124 | printf_filtered (_(" Number of \"types\" defined: %d\n"), |
| 125 | OBJSTAT (objfile, n_types)); |
| 126 | if (objfile->sf) |
| 127 | objfile->sf->qf->print_stats (objfile); |
| 128 | i = linetables = blockvectors = 0; |
| 129 | ALL_OBJFILE_SYMTABS (objfile, s) |
| 130 | { |
| 131 | i++; |
| 132 | if (s->linetable != NULL) |
| 133 | linetables++; |
| 134 | if (s->primary == 1) |
| 135 | blockvectors++; |
| 136 | } |
| 137 | printf_filtered (_(" Number of symbol tables: %d\n"), i); |
| 138 | printf_filtered (_(" Number of symbol tables with line tables: %d\n"), |
| 139 | linetables); |
| 140 | printf_filtered (_(" Number of symbol tables with blockvectors: %d\n"), |
| 141 | blockvectors); |
| 142 | |
| 143 | if (OBJSTAT (objfile, sz_strtab) > 0) |
| 144 | printf_filtered (_(" Space used by a.out string tables: %d\n"), |
| 145 | OBJSTAT (objfile, sz_strtab)); |
| 146 | printf_filtered (_(" Total memory used for objfile obstack: %d\n"), |
| 147 | obstack_memory_used (&objfile->objfile_obstack)); |
| 148 | printf_filtered (_(" Total memory used for BFD obstack: %d\n"), |
| 149 | obstack_memory_used (&objfile->per_bfd->storage_obstack)); |
| 150 | printf_filtered (_(" Total memory used for psymbol cache: %d\n"), |
| 151 | bcache_memory_used (psymbol_bcache_get_bcache |
| 152 | (objfile->psymbol_cache))); |
| 153 | printf_filtered (_(" Total memory used for macro cache: %d\n"), |
| 154 | bcache_memory_used (objfile->per_bfd->macro_cache)); |
| 155 | printf_filtered (_(" Total memory used for file name cache: %d\n"), |
| 156 | bcache_memory_used (objfile->per_bfd->filename_cache)); |
| 157 | } |
| 158 | } |
| 159 | |
| 160 | static void |
| 161 | dump_objfile (struct objfile *objfile) |
| 162 | { |
| 163 | struct symtab *symtab; |
| 164 | |
| 165 | printf_filtered ("\nObject file %s: ", objfile_name (objfile)); |
| 166 | printf_filtered ("Objfile at "); |
| 167 | gdb_print_host_address (objfile, gdb_stdout); |
| 168 | printf_filtered (", bfd at "); |
| 169 | gdb_print_host_address (objfile->obfd, gdb_stdout); |
| 170 | printf_filtered (", %d minsyms\n\n", |
| 171 | objfile->minimal_symbol_count); |
| 172 | |
| 173 | if (objfile->sf) |
| 174 | objfile->sf->qf->dump (objfile); |
| 175 | |
| 176 | if (objfile->symtabs) |
| 177 | { |
| 178 | printf_filtered ("Symtabs:\n"); |
| 179 | for (symtab = objfile->symtabs; |
| 180 | symtab != NULL; |
| 181 | symtab = symtab->next) |
| 182 | { |
| 183 | printf_filtered ("%s at ", symtab_to_filename_for_display (symtab)); |
| 184 | gdb_print_host_address (symtab, gdb_stdout); |
| 185 | printf_filtered (", "); |
| 186 | if (symtab->objfile != objfile) |
| 187 | { |
| 188 | printf_filtered ("NOT ON CHAIN! "); |
| 189 | } |
| 190 | wrap_here (" "); |
| 191 | } |
| 192 | printf_filtered ("\n\n"); |
| 193 | } |
| 194 | } |
| 195 | |
| 196 | /* Print minimal symbols from this objfile. */ |
| 197 | |
| 198 | static void |
| 199 | dump_msymbols (struct objfile *objfile, struct ui_file *outfile) |
| 200 | { |
| 201 | struct gdbarch *gdbarch = get_objfile_arch (objfile); |
| 202 | struct minimal_symbol *msymbol; |
| 203 | int index; |
| 204 | char ms_type; |
| 205 | |
| 206 | fprintf_filtered (outfile, "\nObject file %s:\n\n", objfile_name (objfile)); |
| 207 | if (objfile->minimal_symbol_count == 0) |
| 208 | { |
| 209 | fprintf_filtered (outfile, "No minimal symbols found.\n"); |
| 210 | return; |
| 211 | } |
| 212 | index = 0; |
| 213 | ALL_OBJFILE_MSYMBOLS (objfile, msymbol) |
| 214 | { |
| 215 | struct obj_section *section = SYMBOL_OBJ_SECTION (objfile, msymbol); |
| 216 | |
| 217 | switch (MSYMBOL_TYPE (msymbol)) |
| 218 | { |
| 219 | case mst_unknown: |
| 220 | ms_type = 'u'; |
| 221 | break; |
| 222 | case mst_text: |
| 223 | ms_type = 'T'; |
| 224 | break; |
| 225 | case mst_text_gnu_ifunc: |
| 226 | ms_type = 'i'; |
| 227 | break; |
| 228 | case mst_solib_trampoline: |
| 229 | ms_type = 'S'; |
| 230 | break; |
| 231 | case mst_data: |
| 232 | ms_type = 'D'; |
| 233 | break; |
| 234 | case mst_bss: |
| 235 | ms_type = 'B'; |
| 236 | break; |
| 237 | case mst_abs: |
| 238 | ms_type = 'A'; |
| 239 | break; |
| 240 | case mst_file_text: |
| 241 | ms_type = 't'; |
| 242 | break; |
| 243 | case mst_file_data: |
| 244 | ms_type = 'd'; |
| 245 | break; |
| 246 | case mst_file_bss: |
| 247 | ms_type = 'b'; |
| 248 | break; |
| 249 | default: |
| 250 | ms_type = '?'; |
| 251 | break; |
| 252 | } |
| 253 | fprintf_filtered (outfile, "[%2d] %c ", index, ms_type); |
| 254 | fputs_filtered (paddress (gdbarch, SYMBOL_VALUE_ADDRESS (msymbol)), |
| 255 | outfile); |
| 256 | fprintf_filtered (outfile, " %s", SYMBOL_LINKAGE_NAME (msymbol)); |
| 257 | if (section) |
| 258 | { |
| 259 | if (section->the_bfd_section != NULL) |
| 260 | fprintf_filtered (outfile, " section %s", |
| 261 | bfd_section_name (objfile->obfd, |
| 262 | section->the_bfd_section)); |
| 263 | else |
| 264 | fprintf_filtered (outfile, " spurious section %ld", |
| 265 | (long) (section - objfile->sections)); |
| 266 | } |
| 267 | if (SYMBOL_DEMANGLED_NAME (msymbol) != NULL) |
| 268 | { |
| 269 | fprintf_filtered (outfile, " %s", SYMBOL_DEMANGLED_NAME (msymbol)); |
| 270 | } |
| 271 | if (msymbol->filename) |
| 272 | fprintf_filtered (outfile, " %s", msymbol->filename); |
| 273 | fputs_filtered ("\n", outfile); |
| 274 | index++; |
| 275 | } |
| 276 | if (objfile->minimal_symbol_count != index) |
| 277 | { |
| 278 | warning (_("internal error: minimal symbol count %d != %d"), |
| 279 | objfile->minimal_symbol_count, index); |
| 280 | } |
| 281 | fprintf_filtered (outfile, "\n"); |
| 282 | } |
| 283 | |
| 284 | static void |
| 285 | dump_symtab_1 (struct objfile *objfile, struct symtab *symtab, |
| 286 | struct ui_file *outfile) |
| 287 | { |
| 288 | struct gdbarch *gdbarch = get_objfile_arch (objfile); |
| 289 | int i; |
| 290 | struct dict_iterator iter; |
| 291 | int len; |
| 292 | struct linetable *l; |
| 293 | struct blockvector *bv; |
| 294 | struct symbol *sym; |
| 295 | struct block *b; |
| 296 | int depth; |
| 297 | |
| 298 | fprintf_filtered (outfile, "\nSymtab for file %s\n", |
| 299 | symtab_to_filename_for_display (symtab)); |
| 300 | if (symtab->dirname) |
| 301 | fprintf_filtered (outfile, "Compilation directory is %s\n", |
| 302 | symtab->dirname); |
| 303 | fprintf_filtered (outfile, "Read from object file %s (", |
| 304 | objfile_name (objfile)); |
| 305 | gdb_print_host_address (objfile, outfile); |
| 306 | fprintf_filtered (outfile, ")\n"); |
| 307 | fprintf_filtered (outfile, "Language: %s\n", |
| 308 | language_str (symtab->language)); |
| 309 | |
| 310 | /* First print the line table. */ |
| 311 | l = LINETABLE (symtab); |
| 312 | if (l) |
| 313 | { |
| 314 | fprintf_filtered (outfile, "\nLine table:\n\n"); |
| 315 | len = l->nitems; |
| 316 | for (i = 0; i < len; i++) |
| 317 | { |
| 318 | fprintf_filtered (outfile, " line %d at ", l->item[i].line); |
| 319 | fputs_filtered (paddress (gdbarch, l->item[i].pc), outfile); |
| 320 | fprintf_filtered (outfile, "\n"); |
| 321 | } |
| 322 | } |
| 323 | /* Now print the block info, but only for primary symtabs since we will |
| 324 | print lots of duplicate info otherwise. */ |
| 325 | if (symtab->primary) |
| 326 | { |
| 327 | fprintf_filtered (outfile, "\nBlockvector:\n\n"); |
| 328 | bv = BLOCKVECTOR (symtab); |
| 329 | len = BLOCKVECTOR_NBLOCKS (bv); |
| 330 | for (i = 0; i < len; i++) |
| 331 | { |
| 332 | b = BLOCKVECTOR_BLOCK (bv, i); |
| 333 | depth = block_depth (b) * 2; |
| 334 | print_spaces (depth, outfile); |
| 335 | fprintf_filtered (outfile, "block #%03d, object at ", i); |
| 336 | gdb_print_host_address (b, outfile); |
| 337 | if (BLOCK_SUPERBLOCK (b)) |
| 338 | { |
| 339 | fprintf_filtered (outfile, " under "); |
| 340 | gdb_print_host_address (BLOCK_SUPERBLOCK (b), outfile); |
| 341 | } |
| 342 | /* drow/2002-07-10: We could save the total symbols count |
| 343 | even if we're using a hashtable, but nothing else but this message |
| 344 | wants it. */ |
| 345 | fprintf_filtered (outfile, ", %d syms/buckets in ", |
| 346 | dict_size (BLOCK_DICT (b))); |
| 347 | fputs_filtered (paddress (gdbarch, BLOCK_START (b)), outfile); |
| 348 | fprintf_filtered (outfile, ".."); |
| 349 | fputs_filtered (paddress (gdbarch, BLOCK_END (b)), outfile); |
| 350 | if (BLOCK_FUNCTION (b)) |
| 351 | { |
| 352 | fprintf_filtered (outfile, ", function %s", |
| 353 | SYMBOL_LINKAGE_NAME (BLOCK_FUNCTION (b))); |
| 354 | if (SYMBOL_DEMANGLED_NAME (BLOCK_FUNCTION (b)) != NULL) |
| 355 | { |
| 356 | fprintf_filtered (outfile, ", %s", |
| 357 | SYMBOL_DEMANGLED_NAME (BLOCK_FUNCTION (b))); |
| 358 | } |
| 359 | } |
| 360 | fprintf_filtered (outfile, "\n"); |
| 361 | /* Now print each symbol in this block (in no particular order, if |
| 362 | we're using a hashtable). Note that we only want this |
| 363 | block, not any blocks from included symtabs. */ |
| 364 | ALL_DICT_SYMBOLS (BLOCK_DICT (b), iter, sym) |
| 365 | { |
| 366 | struct print_symbol_args s; |
| 367 | |
| 368 | s.gdbarch = gdbarch; |
| 369 | s.symbol = sym; |
| 370 | s.depth = depth + 1; |
| 371 | s.outfile = outfile; |
| 372 | catch_errors (print_symbol, &s, "Error printing symbol:\n", |
| 373 | RETURN_MASK_ERROR); |
| 374 | } |
| 375 | } |
| 376 | fprintf_filtered (outfile, "\n"); |
| 377 | } |
| 378 | else |
| 379 | { |
| 380 | fprintf_filtered (outfile, "\nBlockvector same as previous symtab\n\n"); |
| 381 | } |
| 382 | } |
| 383 | |
| 384 | static void |
| 385 | dump_symtab (struct objfile *objfile, struct symtab *symtab, |
| 386 | struct ui_file *outfile) |
| 387 | { |
| 388 | /* Set the current language to the language of the symtab we're dumping |
| 389 | because certain routines used during dump_symtab() use the current |
| 390 | language to print an image of the symbol. We'll restore it later. |
| 391 | But use only real languages, not placeholders. */ |
| 392 | if (symtab->language != language_unknown |
| 393 | && symtab->language != language_auto) |
| 394 | { |
| 395 | enum language saved_lang; |
| 396 | |
| 397 | saved_lang = set_language (symtab->language); |
| 398 | |
| 399 | dump_symtab_1 (objfile, symtab, outfile); |
| 400 | |
| 401 | set_language (saved_lang); |
| 402 | } |
| 403 | else |
| 404 | dump_symtab_1 (objfile, symtab, outfile); |
| 405 | } |
| 406 | |
| 407 | static void |
| 408 | maintenance_print_symbols (char *args, int from_tty) |
| 409 | { |
| 410 | char **argv; |
| 411 | struct ui_file *outfile; |
| 412 | struct cleanup *cleanups; |
| 413 | char *symname = NULL; |
| 414 | char *filename = DEV_TTY; |
| 415 | struct objfile *objfile; |
| 416 | struct symtab *s; |
| 417 | |
| 418 | dont_repeat (); |
| 419 | |
| 420 | if (args == NULL) |
| 421 | { |
| 422 | error (_("Arguments missing: an output file name " |
| 423 | "and an optional symbol file name")); |
| 424 | } |
| 425 | argv = gdb_buildargv (args); |
| 426 | cleanups = make_cleanup_freeargv (argv); |
| 427 | |
| 428 | if (argv[0] != NULL) |
| 429 | { |
| 430 | filename = argv[0]; |
| 431 | /* If a second arg is supplied, it is a source file name to match on. */ |
| 432 | if (argv[1] != NULL) |
| 433 | { |
| 434 | symname = argv[1]; |
| 435 | } |
| 436 | } |
| 437 | |
| 438 | filename = tilde_expand (filename); |
| 439 | make_cleanup (xfree, filename); |
| 440 | |
| 441 | outfile = gdb_fopen (filename, FOPEN_WT); |
| 442 | if (outfile == 0) |
| 443 | perror_with_name (filename); |
| 444 | make_cleanup_ui_file_delete (outfile); |
| 445 | |
| 446 | ALL_SYMTABS (objfile, s) |
| 447 | { |
| 448 | QUIT; |
| 449 | if (symname == NULL |
| 450 | || filename_cmp (symname, symtab_to_filename_for_display (s)) == 0) |
| 451 | dump_symtab (objfile, s, outfile); |
| 452 | } |
| 453 | do_cleanups (cleanups); |
| 454 | } |
| 455 | |
| 456 | /* Print symbol ARGS->SYMBOL on ARGS->OUTFILE. ARGS->DEPTH says how |
| 457 | far to indent. ARGS is really a struct print_symbol_args *, but is |
| 458 | declared as char * to get it past catch_errors. Returns 0 for error, |
| 459 | 1 for success. */ |
| 460 | |
| 461 | static int |
| 462 | print_symbol (void *args) |
| 463 | { |
| 464 | struct gdbarch *gdbarch = ((struct print_symbol_args *) args)->gdbarch; |
| 465 | struct symbol *symbol = ((struct print_symbol_args *) args)->symbol; |
| 466 | int depth = ((struct print_symbol_args *) args)->depth; |
| 467 | struct ui_file *outfile = ((struct print_symbol_args *) args)->outfile; |
| 468 | struct obj_section *section = SYMBOL_OBJ_SECTION (SYMBOL_OBJFILE (symbol), |
| 469 | symbol); |
| 470 | |
| 471 | print_spaces (depth, outfile); |
| 472 | if (SYMBOL_DOMAIN (symbol) == LABEL_DOMAIN) |
| 473 | { |
| 474 | fprintf_filtered (outfile, "label %s at ", SYMBOL_PRINT_NAME (symbol)); |
| 475 | fputs_filtered (paddress (gdbarch, SYMBOL_VALUE_ADDRESS (symbol)), |
| 476 | outfile); |
| 477 | if (section) |
| 478 | fprintf_filtered (outfile, " section %s\n", |
| 479 | bfd_section_name (section->the_bfd_section->owner, |
| 480 | section->the_bfd_section)); |
| 481 | else |
| 482 | fprintf_filtered (outfile, "\n"); |
| 483 | return 1; |
| 484 | } |
| 485 | if (SYMBOL_DOMAIN (symbol) == STRUCT_DOMAIN) |
| 486 | { |
| 487 | if (TYPE_TAG_NAME (SYMBOL_TYPE (symbol))) |
| 488 | { |
| 489 | LA_PRINT_TYPE (SYMBOL_TYPE (symbol), "", outfile, 1, depth, |
| 490 | &type_print_raw_options); |
| 491 | } |
| 492 | else |
| 493 | { |
| 494 | fprintf_filtered (outfile, "%s %s = ", |
| 495 | (TYPE_CODE (SYMBOL_TYPE (symbol)) == TYPE_CODE_ENUM |
| 496 | ? "enum" |
| 497 | : (TYPE_CODE (SYMBOL_TYPE (symbol)) == TYPE_CODE_STRUCT |
| 498 | ? "struct" : "union")), |
| 499 | SYMBOL_LINKAGE_NAME (symbol)); |
| 500 | LA_PRINT_TYPE (SYMBOL_TYPE (symbol), "", outfile, 1, depth, |
| 501 | &type_print_raw_options); |
| 502 | } |
| 503 | fprintf_filtered (outfile, ";\n"); |
| 504 | } |
| 505 | else |
| 506 | { |
| 507 | if (SYMBOL_CLASS (symbol) == LOC_TYPEDEF) |
| 508 | fprintf_filtered (outfile, "typedef "); |
| 509 | if (SYMBOL_TYPE (symbol)) |
| 510 | { |
| 511 | /* Print details of types, except for enums where it's clutter. */ |
| 512 | LA_PRINT_TYPE (SYMBOL_TYPE (symbol), SYMBOL_PRINT_NAME (symbol), |
| 513 | outfile, |
| 514 | TYPE_CODE (SYMBOL_TYPE (symbol)) != TYPE_CODE_ENUM, |
| 515 | depth, |
| 516 | &type_print_raw_options); |
| 517 | fprintf_filtered (outfile, "; "); |
| 518 | } |
| 519 | else |
| 520 | fprintf_filtered (outfile, "%s ", SYMBOL_PRINT_NAME (symbol)); |
| 521 | |
| 522 | switch (SYMBOL_CLASS (symbol)) |
| 523 | { |
| 524 | case LOC_CONST: |
| 525 | fprintf_filtered (outfile, "const %s (%s)", |
| 526 | plongest (SYMBOL_VALUE (symbol)), |
| 527 | hex_string (SYMBOL_VALUE (symbol))); |
| 528 | break; |
| 529 | |
| 530 | case LOC_CONST_BYTES: |
| 531 | { |
| 532 | unsigned i; |
| 533 | struct type *type = check_typedef (SYMBOL_TYPE (symbol)); |
| 534 | |
| 535 | fprintf_filtered (outfile, "const %u hex bytes:", |
| 536 | TYPE_LENGTH (type)); |
| 537 | for (i = 0; i < TYPE_LENGTH (type); i++) |
| 538 | fprintf_filtered (outfile, " %02x", |
| 539 | (unsigned) SYMBOL_VALUE_BYTES (symbol)[i]); |
| 540 | } |
| 541 | break; |
| 542 | |
| 543 | case LOC_STATIC: |
| 544 | fprintf_filtered (outfile, "static at "); |
| 545 | fputs_filtered (paddress (gdbarch, SYMBOL_VALUE_ADDRESS (symbol)), |
| 546 | outfile); |
| 547 | if (section) |
| 548 | fprintf_filtered (outfile, " section %s", |
| 549 | bfd_section_name (section->the_bfd_section->owner, |
| 550 | section->the_bfd_section)); |
| 551 | break; |
| 552 | |
| 553 | case LOC_REGISTER: |
| 554 | if (SYMBOL_IS_ARGUMENT (symbol)) |
| 555 | fprintf_filtered (outfile, "parameter register %s", |
| 556 | plongest (SYMBOL_VALUE (symbol))); |
| 557 | else |
| 558 | fprintf_filtered (outfile, "register %s", |
| 559 | plongest (SYMBOL_VALUE (symbol))); |
| 560 | break; |
| 561 | |
| 562 | case LOC_ARG: |
| 563 | fprintf_filtered (outfile, "arg at offset %s", |
| 564 | hex_string (SYMBOL_VALUE (symbol))); |
| 565 | break; |
| 566 | |
| 567 | case LOC_REF_ARG: |
| 568 | fprintf_filtered (outfile, "reference arg at %s", |
| 569 | hex_string (SYMBOL_VALUE (symbol))); |
| 570 | break; |
| 571 | |
| 572 | case LOC_REGPARM_ADDR: |
| 573 | fprintf_filtered (outfile, "address parameter register %s", |
| 574 | plongest (SYMBOL_VALUE (symbol))); |
| 575 | break; |
| 576 | |
| 577 | case LOC_LOCAL: |
| 578 | fprintf_filtered (outfile, "local at offset %s", |
| 579 | hex_string (SYMBOL_VALUE (symbol))); |
| 580 | break; |
| 581 | |
| 582 | case LOC_TYPEDEF: |
| 583 | break; |
| 584 | |
| 585 | case LOC_LABEL: |
| 586 | fprintf_filtered (outfile, "label at "); |
| 587 | fputs_filtered (paddress (gdbarch, SYMBOL_VALUE_ADDRESS (symbol)), |
| 588 | outfile); |
| 589 | if (section) |
| 590 | fprintf_filtered (outfile, " section %s", |
| 591 | bfd_section_name (section->the_bfd_section->owner, |
| 592 | section->the_bfd_section)); |
| 593 | break; |
| 594 | |
| 595 | case LOC_BLOCK: |
| 596 | fprintf_filtered (outfile, "block object "); |
| 597 | gdb_print_host_address (SYMBOL_BLOCK_VALUE (symbol), outfile); |
| 598 | fprintf_filtered (outfile, ", "); |
| 599 | fputs_filtered (paddress (gdbarch, |
| 600 | BLOCK_START (SYMBOL_BLOCK_VALUE (symbol))), |
| 601 | outfile); |
| 602 | fprintf_filtered (outfile, ".."); |
| 603 | fputs_filtered (paddress (gdbarch, |
| 604 | BLOCK_END (SYMBOL_BLOCK_VALUE (symbol))), |
| 605 | outfile); |
| 606 | if (section) |
| 607 | fprintf_filtered (outfile, " section %s", |
| 608 | bfd_section_name (section->the_bfd_section->owner, |
| 609 | section->the_bfd_section)); |
| 610 | break; |
| 611 | |
| 612 | case LOC_COMPUTED: |
| 613 | fprintf_filtered (outfile, "computed at runtime"); |
| 614 | break; |
| 615 | |
| 616 | case LOC_UNRESOLVED: |
| 617 | fprintf_filtered (outfile, "unresolved"); |
| 618 | break; |
| 619 | |
| 620 | case LOC_OPTIMIZED_OUT: |
| 621 | fprintf_filtered (outfile, "optimized out"); |
| 622 | break; |
| 623 | |
| 624 | default: |
| 625 | fprintf_filtered (outfile, "botched symbol class %x", |
| 626 | SYMBOL_CLASS (symbol)); |
| 627 | break; |
| 628 | } |
| 629 | } |
| 630 | fprintf_filtered (outfile, "\n"); |
| 631 | return 1; |
| 632 | } |
| 633 | |
| 634 | static void |
| 635 | maintenance_print_msymbols (char *args, int from_tty) |
| 636 | { |
| 637 | char **argv; |
| 638 | struct ui_file *outfile; |
| 639 | struct cleanup *cleanups; |
| 640 | char *filename = DEV_TTY; |
| 641 | char *symname = NULL; |
| 642 | struct program_space *pspace; |
| 643 | struct objfile *objfile; |
| 644 | |
| 645 | struct stat sym_st, obj_st; |
| 646 | |
| 647 | dont_repeat (); |
| 648 | |
| 649 | if (args == NULL) |
| 650 | { |
| 651 | error (_("print-msymbols takes an output file " |
| 652 | "name and optional symbol file name")); |
| 653 | } |
| 654 | argv = gdb_buildargv (args); |
| 655 | cleanups = make_cleanup_freeargv (argv); |
| 656 | |
| 657 | if (argv[0] != NULL) |
| 658 | { |
| 659 | filename = argv[0]; |
| 660 | /* If a second arg is supplied, it is a source file name to match on. */ |
| 661 | if (argv[1] != NULL) |
| 662 | { |
| 663 | symname = gdb_realpath (argv[1]); |
| 664 | make_cleanup (xfree, symname); |
| 665 | if (symname && stat (symname, &sym_st)) |
| 666 | perror_with_name (symname); |
| 667 | } |
| 668 | } |
| 669 | |
| 670 | filename = tilde_expand (filename); |
| 671 | make_cleanup (xfree, filename); |
| 672 | |
| 673 | outfile = gdb_fopen (filename, FOPEN_WT); |
| 674 | if (outfile == 0) |
| 675 | perror_with_name (filename); |
| 676 | make_cleanup_ui_file_delete (outfile); |
| 677 | |
| 678 | ALL_PSPACES (pspace) |
| 679 | ALL_PSPACE_OBJFILES (pspace, objfile) |
| 680 | { |
| 681 | QUIT; |
| 682 | if (symname == NULL || (!stat (objfile_name (objfile), &obj_st) |
| 683 | && sym_st.st_dev == obj_st.st_dev |
| 684 | && sym_st.st_ino == obj_st.st_ino)) |
| 685 | dump_msymbols (objfile, outfile); |
| 686 | } |
| 687 | fprintf_filtered (outfile, "\n\n"); |
| 688 | do_cleanups (cleanups); |
| 689 | } |
| 690 | |
| 691 | static void |
| 692 | maintenance_print_objfiles (char *regexp, int from_tty) |
| 693 | { |
| 694 | struct program_space *pspace; |
| 695 | struct objfile *objfile; |
| 696 | |
| 697 | dont_repeat (); |
| 698 | |
| 699 | if (regexp) |
| 700 | re_comp (regexp); |
| 701 | |
| 702 | ALL_PSPACES (pspace) |
| 703 | ALL_PSPACE_OBJFILES (pspace, objfile) |
| 704 | { |
| 705 | QUIT; |
| 706 | if (! regexp |
| 707 | || re_exec (objfile_name (objfile))) |
| 708 | dump_objfile (objfile); |
| 709 | } |
| 710 | } |
| 711 | |
| 712 | /* List all the symbol tables whose names match REGEXP (optional). */ |
| 713 | |
| 714 | static void |
| 715 | maintenance_info_symtabs (char *regexp, int from_tty) |
| 716 | { |
| 717 | struct program_space *pspace; |
| 718 | struct objfile *objfile; |
| 719 | |
| 720 | dont_repeat (); |
| 721 | |
| 722 | if (regexp) |
| 723 | re_comp (regexp); |
| 724 | |
| 725 | ALL_PSPACES (pspace) |
| 726 | ALL_PSPACE_OBJFILES (pspace, objfile) |
| 727 | { |
| 728 | struct symtab *symtab; |
| 729 | |
| 730 | /* We don't want to print anything for this objfile until we |
| 731 | actually find a symtab whose name matches. */ |
| 732 | int printed_objfile_start = 0; |
| 733 | |
| 734 | ALL_OBJFILE_SYMTABS (objfile, symtab) |
| 735 | { |
| 736 | QUIT; |
| 737 | |
| 738 | if (! regexp |
| 739 | || re_exec (symtab_to_filename_for_display (symtab))) |
| 740 | { |
| 741 | if (! printed_objfile_start) |
| 742 | { |
| 743 | printf_filtered ("{ objfile %s ", objfile_name (objfile)); |
| 744 | wrap_here (" "); |
| 745 | printf_filtered ("((struct objfile *) %s)\n", |
| 746 | host_address_to_string (objfile)); |
| 747 | printed_objfile_start = 1; |
| 748 | } |
| 749 | |
| 750 | printf_filtered (" { symtab %s ", |
| 751 | symtab_to_filename_for_display (symtab)); |
| 752 | wrap_here (" "); |
| 753 | printf_filtered ("((struct symtab *) %s)\n", |
| 754 | host_address_to_string (symtab)); |
| 755 | printf_filtered (" dirname %s\n", |
| 756 | symtab->dirname ? symtab->dirname : "(null)"); |
| 757 | printf_filtered (" fullname %s\n", |
| 758 | symtab->fullname ? symtab->fullname : "(null)"); |
| 759 | printf_filtered (" " |
| 760 | "blockvector ((struct blockvector *) %s)%s\n", |
| 761 | host_address_to_string (symtab->blockvector), |
| 762 | symtab->primary ? " (primary)" : ""); |
| 763 | printf_filtered (" " |
| 764 | "linetable ((struct linetable *) %s)\n", |
| 765 | host_address_to_string (symtab->linetable)); |
| 766 | printf_filtered (" debugformat %s\n", |
| 767 | symtab->debugformat); |
| 768 | printf_filtered (" }\n"); |
| 769 | } |
| 770 | } |
| 771 | |
| 772 | if (printed_objfile_start) |
| 773 | printf_filtered ("}\n"); |
| 774 | } |
| 775 | } |
| 776 | |
| 777 | /* Check consistency of symtabs. |
| 778 | An example of what this checks for is NULL blockvectors. |
| 779 | They can happen if there's a bug during debug info reading. |
| 780 | GDB assumes they are always non-NULL. |
| 781 | |
| 782 | Note: This does not check for psymtab vs symtab consistency. |
| 783 | Use "maint check-psymtabs" for that. */ |
| 784 | |
| 785 | static void |
| 786 | maintenance_check_symtabs (char *ignore, int from_tty) |
| 787 | { |
| 788 | struct program_space *pspace; |
| 789 | struct objfile *objfile; |
| 790 | |
| 791 | ALL_PSPACES (pspace) |
| 792 | ALL_PSPACE_OBJFILES (pspace, objfile) |
| 793 | { |
| 794 | struct symtab *symtab; |
| 795 | |
| 796 | /* We don't want to print anything for this objfile until we |
| 797 | actually find something worth printing. */ |
| 798 | int printed_objfile_start = 0; |
| 799 | |
| 800 | ALL_OBJFILE_SYMTABS (objfile, symtab) |
| 801 | { |
| 802 | int found_something = 0; |
| 803 | |
| 804 | QUIT; |
| 805 | |
| 806 | if (symtab->blockvector == NULL) |
| 807 | found_something = 1; |
| 808 | /* Add more checks here. */ |
| 809 | |
| 810 | if (found_something) |
| 811 | { |
| 812 | if (! printed_objfile_start) |
| 813 | { |
| 814 | printf_filtered ("{ objfile %s ", objfile_name (objfile)); |
| 815 | wrap_here (" "); |
| 816 | printf_filtered ("((struct objfile *) %s)\n", |
| 817 | host_address_to_string (objfile)); |
| 818 | printed_objfile_start = 1; |
| 819 | } |
| 820 | printf_filtered (" { symtab %s\n", |
| 821 | symtab_to_filename_for_display (symtab)); |
| 822 | if (symtab->blockvector == NULL) |
| 823 | printf_filtered (" NULL blockvector\n"); |
| 824 | printf_filtered (" }\n"); |
| 825 | } |
| 826 | } |
| 827 | |
| 828 | if (printed_objfile_start) |
| 829 | printf_filtered ("}\n"); |
| 830 | } |
| 831 | } |
| 832 | |
| 833 | /* Helper function for maintenance_expand_symtabs. |
| 834 | This is the name_matcher function for expand_symtabs_matching. */ |
| 835 | |
| 836 | static int |
| 837 | maintenance_expand_name_matcher (const char *symname, void *data) |
| 838 | { |
| 839 | /* Since we're not searching on symbols, just return TRUE. */ |
| 840 | return 1; |
| 841 | } |
| 842 | |
| 843 | /* Helper function for maintenance_expand_symtabs. |
| 844 | This is the file_matcher function for expand_symtabs_matching. */ |
| 845 | |
| 846 | static int |
| 847 | maintenance_expand_file_matcher (const char *filename, void *data, |
| 848 | int basenames) |
| 849 | { |
| 850 | const char *regexp = data; |
| 851 | |
| 852 | QUIT; |
| 853 | |
| 854 | /* KISS: Only apply the regexp to the complete file name. */ |
| 855 | if (basenames) |
| 856 | return 0; |
| 857 | |
| 858 | if (regexp == NULL || re_exec (filename)) |
| 859 | return 1; |
| 860 | |
| 861 | return 0; |
| 862 | } |
| 863 | |
| 864 | /* Expand all symbol tables whose name matches an optional regexp. */ |
| 865 | |
| 866 | static void |
| 867 | maintenance_expand_symtabs (char *args, int from_tty) |
| 868 | { |
| 869 | struct program_space *pspace; |
| 870 | struct objfile *objfile; |
| 871 | struct cleanup *cleanups; |
| 872 | char **argv; |
| 873 | char *regexp = NULL; |
| 874 | |
| 875 | /* We use buildargv here so that we handle spaces in the regexp |
| 876 | in a way that allows adding more arguments later. */ |
| 877 | argv = gdb_buildargv (args); |
| 878 | cleanups = make_cleanup_freeargv (argv); |
| 879 | |
| 880 | if (argv != NULL) |
| 881 | { |
| 882 | if (argv[0] != NULL) |
| 883 | { |
| 884 | regexp = argv[0]; |
| 885 | if (argv[1] != NULL) |
| 886 | error (_("Extra arguments after regexp.")); |
| 887 | } |
| 888 | } |
| 889 | |
| 890 | if (regexp) |
| 891 | re_comp (regexp); |
| 892 | |
| 893 | ALL_PSPACES (pspace) |
| 894 | ALL_PSPACE_OBJFILES (pspace, objfile) |
| 895 | { |
| 896 | if (objfile->sf) |
| 897 | { |
| 898 | objfile->sf->qf->expand_symtabs_matching |
| 899 | (objfile, maintenance_expand_file_matcher, |
| 900 | maintenance_expand_name_matcher, ALL_DOMAIN, regexp); |
| 901 | } |
| 902 | } |
| 903 | |
| 904 | do_cleanups (cleanups); |
| 905 | } |
| 906 | \f |
| 907 | |
| 908 | /* Return the nexting depth of a block within other blocks in its symtab. */ |
| 909 | |
| 910 | static int |
| 911 | block_depth (struct block *block) |
| 912 | { |
| 913 | int i = 0; |
| 914 | |
| 915 | while ((block = BLOCK_SUPERBLOCK (block)) != NULL) |
| 916 | { |
| 917 | i++; |
| 918 | } |
| 919 | return i; |
| 920 | } |
| 921 | \f |
| 922 | |
| 923 | /* Do early runtime initializations. */ |
| 924 | |
| 925 | void |
| 926 | _initialize_symmisc (void) |
| 927 | { |
| 928 | std_in = stdin; |
| 929 | std_out = stdout; |
| 930 | std_err = stderr; |
| 931 | |
| 932 | add_cmd ("symbols", class_maintenance, maintenance_print_symbols, _("\ |
| 933 | Print dump of current symbol definitions.\n\ |
| 934 | Entries in the full symbol table are dumped to file OUTFILE.\n\ |
| 935 | If a SOURCE file is specified, dump only that file's symbols."), |
| 936 | &maintenanceprintlist); |
| 937 | |
| 938 | add_cmd ("msymbols", class_maintenance, maintenance_print_msymbols, _("\ |
| 939 | Print dump of current minimal symbol definitions.\n\ |
| 940 | Entries in the minimal symbol table are dumped to file OUTFILE.\n\ |
| 941 | If a SOURCE file is specified, dump only that file's minimal symbols."), |
| 942 | &maintenanceprintlist); |
| 943 | |
| 944 | add_cmd ("objfiles", class_maintenance, maintenance_print_objfiles, |
| 945 | _("Print dump of current object file definitions.\n\ |
| 946 | With an argument REGEXP, list the object files with matching names."), |
| 947 | &maintenanceprintlist); |
| 948 | |
| 949 | add_cmd ("symtabs", class_maintenance, maintenance_info_symtabs, _("\ |
| 950 | List the full symbol tables for all object files.\n\ |
| 951 | This does not include information about individual symbols, blocks, or\n\ |
| 952 | linetables --- just the symbol table structures themselves.\n\ |
| 953 | With an argument REGEXP, list the symbol tables with matching names."), |
| 954 | &maintenanceinfolist); |
| 955 | |
| 956 | add_cmd ("check-symtabs", class_maintenance, maintenance_check_symtabs, |
| 957 | _("\ |
| 958 | Check consistency of currently expanded symtabs."), |
| 959 | &maintenancelist); |
| 960 | |
| 961 | add_cmd ("expand-symtabs", class_maintenance, maintenance_expand_symtabs, |
| 962 | _("Expand symbol tables.\n\ |
| 963 | With an argument REGEXP, only expand the symbol tables with matching names."), |
| 964 | &maintenancelist); |
| 965 | } |