| 1 | /* Do various things to symbol tables (other than lookup), for GDB. |
| 2 | Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995, 1996 |
| 3 | 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 2 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, write to the Free Software |
| 19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
| 20 | |
| 21 | #include "defs.h" |
| 22 | #include "symtab.h" |
| 23 | #include "gdbtypes.h" |
| 24 | #include "bfd.h" |
| 25 | #include "symfile.h" |
| 26 | #include "objfiles.h" |
| 27 | #include "breakpoint.h" |
| 28 | #include "command.h" |
| 29 | #include "obstack.h" |
| 30 | #include "language.h" |
| 31 | #include "bcache.h" |
| 32 | |
| 33 | #include "gdb_string.h" |
| 34 | |
| 35 | #ifndef DEV_TTY |
| 36 | #define DEV_TTY "/dev/tty" |
| 37 | #endif |
| 38 | |
| 39 | /* Unfortunately for debugging, stderr is usually a macro. This is painful |
| 40 | when calling functions that take FILE *'s from the debugger. |
| 41 | So we make a variable which has the same value and which is accessible when |
| 42 | debugging GDB with itself. Because stdin et al need not be constants, |
| 43 | we initialize them in the _initialize_symmisc function at the bottom |
| 44 | of the file. */ |
| 45 | FILE *std_in; |
| 46 | FILE *std_out; |
| 47 | FILE *std_err; |
| 48 | |
| 49 | /* Prototypes for local functions */ |
| 50 | |
| 51 | static void |
| 52 | dump_symtab PARAMS ((struct objfile *, struct symtab *, GDB_FILE *)); |
| 53 | |
| 54 | static void |
| 55 | dump_psymtab PARAMS ((struct objfile *, struct partial_symtab *, GDB_FILE *)); |
| 56 | |
| 57 | static void |
| 58 | dump_msymbols PARAMS ((struct objfile *, GDB_FILE *)); |
| 59 | |
| 60 | static void |
| 61 | dump_objfile PARAMS ((struct objfile *)); |
| 62 | |
| 63 | static int |
| 64 | block_depth PARAMS ((struct block *)); |
| 65 | |
| 66 | static void |
| 67 | print_partial_symbols PARAMS ((struct partial_symbol **, int, char *, GDB_FILE *)); |
| 68 | |
| 69 | struct print_symbol_args { |
| 70 | struct symbol *symbol; |
| 71 | int depth; |
| 72 | GDB_FILE *outfile; |
| 73 | }; |
| 74 | |
| 75 | static int print_symbol PARAMS ((char *)); |
| 76 | |
| 77 | static void |
| 78 | free_symtab_block PARAMS ((struct objfile *, struct block *)); |
| 79 | |
| 80 | \f |
| 81 | /* Free a struct block <- B and all the symbols defined in that block. */ |
| 82 | |
| 83 | static void |
| 84 | free_symtab_block (objfile, b) |
| 85 | struct objfile *objfile; |
| 86 | struct block *b; |
| 87 | { |
| 88 | register int i, n; |
| 89 | n = BLOCK_NSYMS (b); |
| 90 | for (i = 0; i < n; i++) |
| 91 | { |
| 92 | mfree (objfile -> md, SYMBOL_NAME (BLOCK_SYM (b, i))); |
| 93 | mfree (objfile -> md, (PTR) BLOCK_SYM (b, i)); |
| 94 | } |
| 95 | mfree (objfile -> md, (PTR) b); |
| 96 | } |
| 97 | |
| 98 | /* Free all the storage associated with the struct symtab <- S. |
| 99 | Note that some symtabs have contents malloc'ed structure by structure, |
| 100 | while some have contents that all live inside one big block of memory, |
| 101 | and some share the contents of another symbol table and so you should |
| 102 | not free the contents on their behalf (except sometimes the linetable, |
| 103 | which maybe per symtab even when the rest is not). |
| 104 | It is s->free_code that says which alternative to use. */ |
| 105 | |
| 106 | void |
| 107 | free_symtab (s) |
| 108 | register struct symtab *s; |
| 109 | { |
| 110 | register int i, n; |
| 111 | register struct blockvector *bv; |
| 112 | |
| 113 | switch (s->free_code) |
| 114 | { |
| 115 | case free_nothing: |
| 116 | /* All the contents are part of a big block of memory (an obstack), |
| 117 | and some other symtab is in charge of freeing that block. |
| 118 | Therefore, do nothing. */ |
| 119 | break; |
| 120 | |
| 121 | case free_contents: |
| 122 | /* Here all the contents were malloc'ed structure by structure |
| 123 | and must be freed that way. */ |
| 124 | /* First free the blocks (and their symbols. */ |
| 125 | bv = BLOCKVECTOR (s); |
| 126 | n = BLOCKVECTOR_NBLOCKS (bv); |
| 127 | for (i = 0; i < n; i++) |
| 128 | free_symtab_block (s -> objfile, BLOCKVECTOR_BLOCK (bv, i)); |
| 129 | /* Free the blockvector itself. */ |
| 130 | mfree (s -> objfile -> md, (PTR) bv); |
| 131 | /* Also free the linetable. */ |
| 132 | |
| 133 | case free_linetable: |
| 134 | /* Everything will be freed either by our `free_ptr' |
| 135 | or by some other symtab, except for our linetable. |
| 136 | Free that now. */ |
| 137 | if (LINETABLE (s)) |
| 138 | mfree (s -> objfile -> md, (PTR) LINETABLE (s)); |
| 139 | break; |
| 140 | } |
| 141 | |
| 142 | /* If there is a single block of memory to free, free it. */ |
| 143 | if (s -> free_ptr != NULL) |
| 144 | mfree (s -> objfile -> md, s -> free_ptr); |
| 145 | |
| 146 | /* Free source-related stuff */ |
| 147 | if (s -> line_charpos != NULL) |
| 148 | mfree (s -> objfile -> md, (PTR) s -> line_charpos); |
| 149 | if (s -> fullname != NULL) |
| 150 | mfree (s -> objfile -> md, s -> fullname); |
| 151 | mfree (s -> objfile -> md, (PTR) s); |
| 152 | } |
| 153 | |
| 154 | #if MAINTENANCE_CMDS |
| 155 | |
| 156 | void |
| 157 | print_symbol_bcache_statistics () |
| 158 | { |
| 159 | struct objfile *objfile; |
| 160 | |
| 161 | immediate_quit++; |
| 162 | ALL_OBJFILES (objfile) |
| 163 | { |
| 164 | printf_filtered ("Byte cache statistics for '%s':\n", objfile -> name); |
| 165 | print_bcache_statistics (&objfile -> psymbol_cache, "partial symbol cache"); |
| 166 | } |
| 167 | immediate_quit--; |
| 168 | } |
| 169 | |
| 170 | void |
| 171 | print_objfile_statistics () |
| 172 | { |
| 173 | struct objfile *objfile; |
| 174 | |
| 175 | immediate_quit++; |
| 176 | ALL_OBJFILES (objfile) |
| 177 | { |
| 178 | printf_filtered ("Statistics for '%s':\n", objfile -> name); |
| 179 | if (OBJSTAT (objfile, n_stabs) > 0) |
| 180 | printf_filtered (" Number of \"stab\" symbols read: %d\n", |
| 181 | OBJSTAT (objfile, n_stabs)); |
| 182 | if (OBJSTAT (objfile, n_minsyms) > 0) |
| 183 | printf_filtered (" Number of \"minimal symbols read: %d\n", |
| 184 | OBJSTAT (objfile, n_minsyms)); |
| 185 | if (OBJSTAT (objfile, n_psyms) > 0) |
| 186 | printf_filtered (" Number of \"partial symbols read: %d\n", |
| 187 | OBJSTAT (objfile, n_psyms)); |
| 188 | if (OBJSTAT (objfile, n_syms) > 0) |
| 189 | printf_filtered (" Number of \"full symbols read: %d\n", |
| 190 | OBJSTAT (objfile, n_syms)); |
| 191 | if (OBJSTAT (objfile, n_types) > 0) |
| 192 | printf_filtered (" Number of \"types defined: %d\n", |
| 193 | OBJSTAT (objfile, n_types)); |
| 194 | if (OBJSTAT (objfile, sz_strtab) > 0) |
| 195 | printf_filtered (" Space used by a.out string tables: %d\n", |
| 196 | OBJSTAT (objfile, sz_strtab)); |
| 197 | printf_filtered (" Total memory used for psymbol obstack: %d\n", |
| 198 | obstack_memory_used (&objfile -> psymbol_obstack)); |
| 199 | printf_filtered (" Total memory used for symbol obstack: %d\n", |
| 200 | obstack_memory_used (&objfile -> symbol_obstack)); |
| 201 | printf_filtered (" Total memory used for type obstack: %d\n", |
| 202 | obstack_memory_used (&objfile -> type_obstack)); |
| 203 | } |
| 204 | immediate_quit--; |
| 205 | } |
| 206 | |
| 207 | static void |
| 208 | dump_objfile (objfile) |
| 209 | struct objfile *objfile; |
| 210 | { |
| 211 | struct symtab *symtab; |
| 212 | struct partial_symtab *psymtab; |
| 213 | |
| 214 | printf_filtered ("\nObject file %s: ", objfile -> name); |
| 215 | printf_filtered ("Objfile at "); |
| 216 | gdb_print_address (objfile, gdb_stdout); |
| 217 | printf_filtered (", bfd at "); |
| 218 | gdb_print_address (objfile->obfd, gdb_stdout); |
| 219 | printf_filtered (", %d minsyms\n\n", |
| 220 | objfile->minimal_symbol_count); |
| 221 | |
| 222 | if (objfile -> psymtabs) |
| 223 | { |
| 224 | printf_filtered ("Psymtabs:\n"); |
| 225 | for (psymtab = objfile -> psymtabs; |
| 226 | psymtab != NULL; |
| 227 | psymtab = psymtab -> next) |
| 228 | { |
| 229 | printf_filtered ("%s at ", |
| 230 | psymtab -> filename); |
| 231 | gdb_print_address (psymtab, gdb_stdout); |
| 232 | printf_filtered (", "); |
| 233 | if (psymtab -> objfile != objfile) |
| 234 | { |
| 235 | printf_filtered ("NOT ON CHAIN! "); |
| 236 | } |
| 237 | wrap_here (" "); |
| 238 | } |
| 239 | printf_filtered ("\n\n"); |
| 240 | } |
| 241 | |
| 242 | if (objfile -> symtabs) |
| 243 | { |
| 244 | printf_filtered ("Symtabs:\n"); |
| 245 | for (symtab = objfile -> symtabs; |
| 246 | symtab != NULL; |
| 247 | symtab = symtab->next) |
| 248 | { |
| 249 | printf_filtered ("%s at ", symtab -> filename); |
| 250 | gdb_print_address (symtab, gdb_stdout); |
| 251 | printf_filtered (", "); |
| 252 | if (symtab -> objfile != objfile) |
| 253 | { |
| 254 | printf_filtered ("NOT ON CHAIN! "); |
| 255 | } |
| 256 | wrap_here (" "); |
| 257 | } |
| 258 | printf_filtered ("\n\n"); |
| 259 | } |
| 260 | } |
| 261 | |
| 262 | /* Print minimal symbols from this objfile. */ |
| 263 | |
| 264 | static void |
| 265 | dump_msymbols (objfile, outfile) |
| 266 | struct objfile *objfile; |
| 267 | GDB_FILE *outfile; |
| 268 | { |
| 269 | struct minimal_symbol *msymbol; |
| 270 | int index; |
| 271 | char ms_type; |
| 272 | |
| 273 | fprintf_filtered (outfile, "\nObject file %s:\n\n", objfile -> name); |
| 274 | if (objfile -> minimal_symbol_count == 0) |
| 275 | { |
| 276 | fprintf_filtered (outfile, "No minimal symbols found.\n"); |
| 277 | return; |
| 278 | } |
| 279 | for (index = 0, msymbol = objfile -> msymbols; |
| 280 | SYMBOL_NAME (msymbol) != NULL; msymbol++, index++) |
| 281 | { |
| 282 | switch (msymbol -> type) |
| 283 | { |
| 284 | case mst_unknown: |
| 285 | ms_type = 'u'; |
| 286 | break; |
| 287 | case mst_text: |
| 288 | ms_type = 'T'; |
| 289 | break; |
| 290 | case mst_solib_trampoline: |
| 291 | ms_type = 'S'; |
| 292 | break; |
| 293 | case mst_data: |
| 294 | ms_type = 'D'; |
| 295 | break; |
| 296 | case mst_bss: |
| 297 | ms_type = 'B'; |
| 298 | break; |
| 299 | case mst_abs: |
| 300 | ms_type = 'A'; |
| 301 | break; |
| 302 | case mst_file_text: |
| 303 | ms_type = 't'; |
| 304 | break; |
| 305 | case mst_file_data: |
| 306 | ms_type = 'd'; |
| 307 | break; |
| 308 | case mst_file_bss: |
| 309 | ms_type = 'b'; |
| 310 | break; |
| 311 | default: |
| 312 | ms_type = '?'; |
| 313 | break; |
| 314 | } |
| 315 | fprintf_filtered (outfile, "[%2d] %c %#10lx %s", index, ms_type, |
| 316 | SYMBOL_VALUE_ADDRESS (msymbol), SYMBOL_NAME (msymbol)); |
| 317 | if (SYMBOL_DEMANGLED_NAME (msymbol) != NULL) |
| 318 | { |
| 319 | fprintf_filtered (outfile, " %s", SYMBOL_DEMANGLED_NAME (msymbol)); |
| 320 | } |
| 321 | #ifdef SOFUN_ADDRESS_MAYBE_MISSING |
| 322 | if (msymbol->filename) |
| 323 | fprintf_filtered (outfile, " %s", msymbol->filename); |
| 324 | #endif |
| 325 | fputs_filtered ("\n", outfile); |
| 326 | } |
| 327 | if (objfile -> minimal_symbol_count != index) |
| 328 | { |
| 329 | warning ("internal error: minimal symbol count %d != %d", |
| 330 | objfile -> minimal_symbol_count, index); |
| 331 | } |
| 332 | fprintf_filtered (outfile, "\n"); |
| 333 | } |
| 334 | |
| 335 | static void |
| 336 | dump_psymtab (objfile, psymtab, outfile) |
| 337 | struct objfile *objfile; |
| 338 | struct partial_symtab *psymtab; |
| 339 | GDB_FILE *outfile; |
| 340 | { |
| 341 | int i; |
| 342 | |
| 343 | fprintf_filtered (outfile, "\nPartial symtab for source file %s ", |
| 344 | psymtab -> filename); |
| 345 | fprintf_filtered (outfile, "(object "); |
| 346 | gdb_print_address (psymtab, outfile); |
| 347 | fprintf_filtered (outfile, ")\n\n"); |
| 348 | fprintf_unfiltered (outfile, " Read from object file %s (", |
| 349 | objfile -> name); |
| 350 | gdb_print_address (objfile, outfile); |
| 351 | fprintf_unfiltered (outfile, ")\n"); |
| 352 | |
| 353 | if (psymtab -> readin) |
| 354 | { |
| 355 | fprintf_filtered (outfile, |
| 356 | " Full symtab was read (at "); |
| 357 | gdb_print_address (psymtab->symtab, outfile); |
| 358 | fprintf_filtered (outfile, " by function at "); |
| 359 | gdb_print_address ((PTR)psymtab->read_symtab, outfile); |
| 360 | fprintf_filtered (outfile, ")\n"); |
| 361 | } |
| 362 | |
| 363 | fprintf_filtered (outfile, " Relocate symbols by "); |
| 364 | for (i = 0; i < psymtab->objfile->num_sections; ++i) |
| 365 | { |
| 366 | if (i != 0) |
| 367 | fprintf_filtered (outfile, ", "); |
| 368 | wrap_here (" "); |
| 369 | print_address_numeric (ANOFFSET (psymtab->section_offsets, i), |
| 370 | 1, |
| 371 | outfile); |
| 372 | } |
| 373 | fprintf_filtered (outfile, "\n"); |
| 374 | |
| 375 | fprintf_filtered (outfile, " Symbols cover text addresses "); |
| 376 | print_address_numeric (psymtab->textlow, 1, outfile); |
| 377 | fprintf_filtered (outfile, "-"); |
| 378 | print_address_numeric (psymtab->texthigh, 1, outfile); |
| 379 | fprintf_filtered (outfile, "\n"); |
| 380 | fprintf_filtered (outfile, " Depends on %d other partial symtabs.\n", |
| 381 | psymtab -> number_of_dependencies); |
| 382 | for (i = 0; i < psymtab -> number_of_dependencies; i++) |
| 383 | { |
| 384 | fprintf_filtered (outfile, " %d ", i); |
| 385 | gdb_print_address (psymtab -> dependencies[i], outfile); |
| 386 | fprintf_filtered (outfile, " %s\n", |
| 387 | psymtab -> dependencies[i] -> filename); |
| 388 | } |
| 389 | if (psymtab -> n_global_syms > 0) |
| 390 | { |
| 391 | print_partial_symbols (objfile -> global_psymbols.list |
| 392 | + psymtab -> globals_offset, |
| 393 | psymtab -> n_global_syms, "Global", outfile); |
| 394 | } |
| 395 | if (psymtab -> n_static_syms > 0) |
| 396 | { |
| 397 | print_partial_symbols (objfile -> static_psymbols.list |
| 398 | + psymtab -> statics_offset, |
| 399 | psymtab -> n_static_syms, "Static", outfile); |
| 400 | } |
| 401 | fprintf_filtered (outfile, "\n"); |
| 402 | } |
| 403 | |
| 404 | static void |
| 405 | dump_symtab (objfile, symtab, outfile) |
| 406 | struct objfile *objfile; |
| 407 | struct symtab *symtab; |
| 408 | GDB_FILE *outfile; |
| 409 | { |
| 410 | register int i, j; |
| 411 | int len, blen; |
| 412 | register struct linetable *l; |
| 413 | struct blockvector *bv; |
| 414 | register struct block *b; |
| 415 | int depth; |
| 416 | |
| 417 | fprintf_filtered (outfile, "\nSymtab for file %s\n", symtab->filename); |
| 418 | fprintf_filtered (outfile, "Read from object file %s (", objfile->name); |
| 419 | gdb_print_address (objfile, outfile); |
| 420 | fprintf_filtered (outfile, ")\n"); |
| 421 | fprintf_filtered (outfile, "Language: %s\n", language_str (symtab -> language)); |
| 422 | |
| 423 | /* First print the line table. */ |
| 424 | l = LINETABLE (symtab); |
| 425 | if (l) |
| 426 | { |
| 427 | fprintf_filtered (outfile, "\nLine table:\n\n"); |
| 428 | len = l->nitems; |
| 429 | for (i = 0; i < len; i++) |
| 430 | { |
| 431 | fprintf_filtered (outfile, " line %d at ", l->item[i].line); |
| 432 | print_address_numeric (l->item[i].pc, 1, outfile); |
| 433 | fprintf_filtered (outfile, "\n"); |
| 434 | } |
| 435 | } |
| 436 | /* Now print the block info. */ |
| 437 | fprintf_filtered (outfile, "\nBlockvector:\n\n"); |
| 438 | bv = BLOCKVECTOR (symtab); |
| 439 | len = BLOCKVECTOR_NBLOCKS (bv); |
| 440 | for (i = 0; i < len; i++) |
| 441 | { |
| 442 | b = BLOCKVECTOR_BLOCK (bv, i); |
| 443 | depth = block_depth (b) * 2; |
| 444 | print_spaces (depth, outfile); |
| 445 | fprintf_filtered (outfile, "block #%03d (object ", i); |
| 446 | gdb_print_address (b, outfile); |
| 447 | fprintf_filtered (outfile, ") "); |
| 448 | fprintf_filtered (outfile, "["); |
| 449 | print_address_numeric (BLOCK_START (b), 1, outfile); |
| 450 | fprintf_filtered (outfile, ".."); |
| 451 | print_address_numeric (BLOCK_END (b), 1, outfile); |
| 452 | fprintf_filtered (outfile, "]"); |
| 453 | if (BLOCK_SUPERBLOCK (b)) |
| 454 | { |
| 455 | fprintf_filtered (outfile, " (under "); |
| 456 | gdb_print_address (BLOCK_SUPERBLOCK (b), outfile); |
| 457 | fprintf_filtered (outfile, ")"); |
| 458 | } |
| 459 | if (BLOCK_FUNCTION (b)) |
| 460 | { |
| 461 | fprintf_filtered (outfile, " %s", SYMBOL_NAME (BLOCK_FUNCTION (b))); |
| 462 | if (SYMBOL_DEMANGLED_NAME (BLOCK_FUNCTION (b)) != NULL) |
| 463 | { |
| 464 | fprintf_filtered (outfile, " %s", |
| 465 | SYMBOL_DEMANGLED_NAME (BLOCK_FUNCTION (b))); |
| 466 | } |
| 467 | } |
| 468 | if (BLOCK_GCC_COMPILED(b)) |
| 469 | fprintf_filtered (outfile, " gcc%d compiled", BLOCK_GCC_COMPILED(b)); |
| 470 | fprintf_filtered (outfile, "\n"); |
| 471 | blen = BLOCK_NSYMS (b); |
| 472 | for (j = 0; j < blen; j++) |
| 473 | { |
| 474 | struct print_symbol_args s; |
| 475 | s.symbol = BLOCK_SYM (b, j); |
| 476 | s.depth = depth + 1; |
| 477 | s.outfile = outfile; |
| 478 | catch_errors (print_symbol, &s, "Error printing symbol:\n", |
| 479 | RETURN_MASK_ALL); |
| 480 | } |
| 481 | } |
| 482 | fprintf_filtered (outfile, "\n"); |
| 483 | } |
| 484 | |
| 485 | void |
| 486 | maintenance_print_symbols (args, from_tty) |
| 487 | char *args; |
| 488 | int from_tty; |
| 489 | { |
| 490 | char **argv; |
| 491 | GDB_FILE *outfile; |
| 492 | struct cleanup *cleanups; |
| 493 | char *symname = NULL; |
| 494 | char *filename = DEV_TTY; |
| 495 | struct objfile *objfile; |
| 496 | struct symtab *s; |
| 497 | |
| 498 | dont_repeat (); |
| 499 | |
| 500 | if (args == NULL) |
| 501 | { |
| 502 | error ("\ |
| 503 | Arguments missing: an output file name and an optional symbol file name"); |
| 504 | } |
| 505 | else if ((argv = buildargv (args)) == NULL) |
| 506 | { |
| 507 | nomem (0); |
| 508 | } |
| 509 | cleanups = make_cleanup (freeargv, (char *) argv); |
| 510 | |
| 511 | if (argv[0] != NULL) |
| 512 | { |
| 513 | filename = argv[0]; |
| 514 | /* If a second arg is supplied, it is a source file name to match on */ |
| 515 | if (argv[1] != NULL) |
| 516 | { |
| 517 | symname = argv[1]; |
| 518 | } |
| 519 | } |
| 520 | |
| 521 | filename = tilde_expand (filename); |
| 522 | make_cleanup (free, filename); |
| 523 | |
| 524 | outfile = gdb_fopen (filename, FOPEN_WT); |
| 525 | if (outfile == 0) |
| 526 | perror_with_name (filename); |
| 527 | make_cleanup (fclose, (char *) outfile); |
| 528 | |
| 529 | immediate_quit++; |
| 530 | ALL_SYMTABS (objfile, s) |
| 531 | if (symname == NULL || (STREQ (symname, s -> filename))) |
| 532 | dump_symtab (objfile, s, outfile); |
| 533 | immediate_quit--; |
| 534 | do_cleanups (cleanups); |
| 535 | } |
| 536 | |
| 537 | /* Print symbol ARGS->SYMBOL on ARGS->OUTFILE. ARGS->DEPTH says how |
| 538 | far to indent. ARGS is really a struct print_symbol_args *, but is |
| 539 | declared as char * to get it past catch_errors. Returns 0 for error, |
| 540 | 1 for success. */ |
| 541 | |
| 542 | static int |
| 543 | print_symbol (args) |
| 544 | char *args; |
| 545 | { |
| 546 | struct symbol *symbol = ((struct print_symbol_args *)args)->symbol; |
| 547 | int depth = ((struct print_symbol_args *)args)->depth; |
| 548 | GDB_FILE *outfile = ((struct print_symbol_args *)args)->outfile; |
| 549 | |
| 550 | print_spaces (depth, outfile); |
| 551 | if (SYMBOL_NAMESPACE (symbol) == LABEL_NAMESPACE) |
| 552 | { |
| 553 | fprintf_filtered (outfile, "label %s at ", SYMBOL_SOURCE_NAME (symbol)); |
| 554 | print_address_numeric (SYMBOL_VALUE_ADDRESS (symbol), 1, outfile); |
| 555 | fprintf_filtered (outfile, "\n"); |
| 556 | return 1; |
| 557 | } |
| 558 | if (SYMBOL_NAMESPACE (symbol) == STRUCT_NAMESPACE) |
| 559 | { |
| 560 | if (TYPE_TAG_NAME (SYMBOL_TYPE (symbol))) |
| 561 | { |
| 562 | LA_PRINT_TYPE (SYMBOL_TYPE (symbol), "", outfile, 1, depth); |
| 563 | } |
| 564 | else |
| 565 | { |
| 566 | fprintf_filtered (outfile, "%s %s = ", |
| 567 | (TYPE_CODE (SYMBOL_TYPE (symbol)) == TYPE_CODE_ENUM |
| 568 | ? "enum" |
| 569 | : (TYPE_CODE (SYMBOL_TYPE (symbol)) == TYPE_CODE_STRUCT |
| 570 | ? "struct" : "union")), |
| 571 | SYMBOL_NAME (symbol)); |
| 572 | LA_PRINT_TYPE (SYMBOL_TYPE (symbol), "", outfile, 1, depth); |
| 573 | } |
| 574 | fprintf_filtered (outfile, ";\n"); |
| 575 | } |
| 576 | else |
| 577 | { |
| 578 | if (SYMBOL_CLASS (symbol) == LOC_TYPEDEF) |
| 579 | fprintf_filtered (outfile, "typedef "); |
| 580 | if (SYMBOL_TYPE (symbol)) |
| 581 | { |
| 582 | /* Print details of types, except for enums where it's clutter. */ |
| 583 | LA_PRINT_TYPE (SYMBOL_TYPE (symbol), SYMBOL_SOURCE_NAME (symbol), |
| 584 | outfile, |
| 585 | TYPE_CODE (SYMBOL_TYPE (symbol)) != TYPE_CODE_ENUM, |
| 586 | depth); |
| 587 | fprintf_filtered (outfile, "; "); |
| 588 | } |
| 589 | else |
| 590 | fprintf_filtered (outfile, "%s ", SYMBOL_SOURCE_NAME (symbol)); |
| 591 | |
| 592 | switch (SYMBOL_CLASS (symbol)) |
| 593 | { |
| 594 | case LOC_CONST: |
| 595 | fprintf_filtered (outfile, "const %ld (0x%lx),", |
| 596 | SYMBOL_VALUE (symbol), |
| 597 | SYMBOL_VALUE (symbol)); |
| 598 | break; |
| 599 | |
| 600 | case LOC_CONST_BYTES: |
| 601 | { |
| 602 | unsigned i; |
| 603 | struct type *type = check_typedef (SYMBOL_TYPE (symbol)); |
| 604 | fprintf_filtered (outfile, "const %u hex bytes:", |
| 605 | TYPE_LENGTH (type)); |
| 606 | for (i = 0; i < TYPE_LENGTH (type); i++) |
| 607 | fprintf_filtered (outfile, " %02x", |
| 608 | (unsigned)SYMBOL_VALUE_BYTES (symbol) [i]); |
| 609 | fprintf_filtered (outfile, ","); |
| 610 | } |
| 611 | break; |
| 612 | |
| 613 | case LOC_STATIC: |
| 614 | fprintf_filtered (outfile, "static at "); |
| 615 | print_address_numeric (SYMBOL_VALUE_ADDRESS (symbol), 1,outfile); |
| 616 | fprintf_filtered (outfile, ","); |
| 617 | break; |
| 618 | |
| 619 | case LOC_REGISTER: |
| 620 | fprintf_filtered (outfile, "register %ld,", SYMBOL_VALUE (symbol)); |
| 621 | break; |
| 622 | |
| 623 | case LOC_ARG: |
| 624 | fprintf_filtered (outfile, "arg at offset 0x%lx,", |
| 625 | SYMBOL_VALUE (symbol)); |
| 626 | break; |
| 627 | |
| 628 | case LOC_LOCAL_ARG: |
| 629 | fprintf_filtered (outfile, "arg at offset 0x%lx from fp,", |
| 630 | SYMBOL_VALUE (symbol)); |
| 631 | break; |
| 632 | |
| 633 | case LOC_REF_ARG: |
| 634 | fprintf_filtered (outfile, "reference arg at 0x%lx,", SYMBOL_VALUE (symbol)); |
| 635 | break; |
| 636 | |
| 637 | case LOC_REGPARM: |
| 638 | fprintf_filtered (outfile, "parameter register %ld,", SYMBOL_VALUE (symbol)); |
| 639 | break; |
| 640 | |
| 641 | case LOC_REGPARM_ADDR: |
| 642 | fprintf_filtered (outfile, "address parameter register %ld,", SYMBOL_VALUE (symbol)); |
| 643 | break; |
| 644 | |
| 645 | case LOC_LOCAL: |
| 646 | fprintf_filtered (outfile, "local at offset 0x%lx,", |
| 647 | SYMBOL_VALUE (symbol)); |
| 648 | break; |
| 649 | |
| 650 | case LOC_BASEREG: |
| 651 | fprintf_filtered (outfile, "local at 0x%lx from register %d", |
| 652 | SYMBOL_VALUE (symbol), SYMBOL_BASEREG (symbol)); |
| 653 | break; |
| 654 | |
| 655 | case LOC_BASEREG_ARG: |
| 656 | fprintf_filtered (outfile, "arg at 0x%lx from register %d,", |
| 657 | SYMBOL_VALUE (symbol), SYMBOL_BASEREG (symbol)); |
| 658 | break; |
| 659 | |
| 660 | case LOC_TYPEDEF: |
| 661 | break; |
| 662 | |
| 663 | case LOC_LABEL: |
| 664 | fprintf_filtered (outfile, "label at "); |
| 665 | print_address_numeric (SYMBOL_VALUE_ADDRESS (symbol), 1, outfile); |
| 666 | break; |
| 667 | |
| 668 | case LOC_BLOCK: |
| 669 | fprintf_filtered (outfile, "block (object "); |
| 670 | gdb_print_address (SYMBOL_BLOCK_VALUE (symbol), outfile); |
| 671 | fprintf_filtered (outfile, ") starting at "); |
| 672 | print_address_numeric (BLOCK_START (SYMBOL_BLOCK_VALUE (symbol)), |
| 673 | 1, |
| 674 | outfile); |
| 675 | fprintf_filtered (outfile, ","); |
| 676 | break; |
| 677 | |
| 678 | case LOC_UNRESOLVED: |
| 679 | fprintf_filtered (outfile, "unresolved"); |
| 680 | break; |
| 681 | |
| 682 | case LOC_OPTIMIZED_OUT: |
| 683 | fprintf_filtered (outfile, "optimized out"); |
| 684 | break; |
| 685 | |
| 686 | default: |
| 687 | fprintf_filtered (outfile, "botched symbol class %x", |
| 688 | SYMBOL_CLASS (symbol)); |
| 689 | break; |
| 690 | } |
| 691 | } |
| 692 | fprintf_filtered (outfile, "\n"); |
| 693 | return 1; |
| 694 | } |
| 695 | |
| 696 | void |
| 697 | maintenance_print_psymbols (args, from_tty) |
| 698 | char *args; |
| 699 | int from_tty; |
| 700 | { |
| 701 | char **argv; |
| 702 | GDB_FILE *outfile; |
| 703 | struct cleanup *cleanups; |
| 704 | char *symname = NULL; |
| 705 | char *filename = DEV_TTY; |
| 706 | struct objfile *objfile; |
| 707 | struct partial_symtab *ps; |
| 708 | |
| 709 | dont_repeat (); |
| 710 | |
| 711 | if (args == NULL) |
| 712 | { |
| 713 | error ("print-psymbols takes an output file name and optional symbol file name"); |
| 714 | } |
| 715 | else if ((argv = buildargv (args)) == NULL) |
| 716 | { |
| 717 | nomem (0); |
| 718 | } |
| 719 | cleanups = make_cleanup (freeargv, (char *) argv); |
| 720 | |
| 721 | if (argv[0] != NULL) |
| 722 | { |
| 723 | filename = argv[0]; |
| 724 | /* If a second arg is supplied, it is a source file name to match on */ |
| 725 | if (argv[1] != NULL) |
| 726 | { |
| 727 | symname = argv[1]; |
| 728 | } |
| 729 | } |
| 730 | |
| 731 | filename = tilde_expand (filename); |
| 732 | make_cleanup (free, filename); |
| 733 | |
| 734 | outfile = gdb_fopen (filename, FOPEN_WT); |
| 735 | if (outfile == 0) |
| 736 | perror_with_name (filename); |
| 737 | make_cleanup (fclose, outfile); |
| 738 | |
| 739 | immediate_quit++; |
| 740 | ALL_PSYMTABS (objfile, ps) |
| 741 | if (symname == NULL || (STREQ (symname, ps -> filename))) |
| 742 | dump_psymtab (objfile, ps, outfile); |
| 743 | immediate_quit--; |
| 744 | do_cleanups (cleanups); |
| 745 | } |
| 746 | |
| 747 | static void |
| 748 | print_partial_symbols (p, count, what, outfile) |
| 749 | struct partial_symbol **p; |
| 750 | int count; |
| 751 | char *what; |
| 752 | GDB_FILE *outfile; |
| 753 | { |
| 754 | fprintf_filtered (outfile, " %s partial symbols:\n", what); |
| 755 | while (count-- > 0) |
| 756 | { |
| 757 | fprintf_filtered (outfile, " `%s'", SYMBOL_NAME(*p)); |
| 758 | if (SYMBOL_DEMANGLED_NAME (*p) != NULL) |
| 759 | { |
| 760 | fprintf_filtered (outfile, " `%s'", SYMBOL_DEMANGLED_NAME (*p)); |
| 761 | } |
| 762 | fputs_filtered (", ", outfile); |
| 763 | switch (SYMBOL_NAMESPACE (*p)) |
| 764 | { |
| 765 | case UNDEF_NAMESPACE: |
| 766 | fputs_filtered ("undefined namespace, ", outfile); |
| 767 | break; |
| 768 | case VAR_NAMESPACE: |
| 769 | /* This is the usual thing -- don't print it */ |
| 770 | break; |
| 771 | case STRUCT_NAMESPACE: |
| 772 | fputs_filtered ("struct namespace, ", outfile); |
| 773 | break; |
| 774 | case LABEL_NAMESPACE: |
| 775 | fputs_filtered ("label namespace, ", outfile); |
| 776 | break; |
| 777 | default: |
| 778 | fputs_filtered ("<invalid namespace>, ", outfile); |
| 779 | break; |
| 780 | } |
| 781 | switch (SYMBOL_CLASS (*p)) |
| 782 | { |
| 783 | case LOC_UNDEF: |
| 784 | fputs_filtered ("undefined", outfile); |
| 785 | break; |
| 786 | case LOC_CONST: |
| 787 | fputs_filtered ("constant int", outfile); |
| 788 | break; |
| 789 | case LOC_STATIC: |
| 790 | fputs_filtered ("static", outfile); |
| 791 | break; |
| 792 | case LOC_REGISTER: |
| 793 | fputs_filtered ("register", outfile); |
| 794 | break; |
| 795 | case LOC_ARG: |
| 796 | fputs_filtered ("pass by value", outfile); |
| 797 | break; |
| 798 | case LOC_REF_ARG: |
| 799 | fputs_filtered ("pass by reference", outfile); |
| 800 | break; |
| 801 | case LOC_REGPARM: |
| 802 | fputs_filtered ("register parameter", outfile); |
| 803 | break; |
| 804 | case LOC_REGPARM_ADDR: |
| 805 | fputs_filtered ("register address parameter", outfile); |
| 806 | break; |
| 807 | case LOC_LOCAL: |
| 808 | fputs_filtered ("stack parameter", outfile); |
| 809 | break; |
| 810 | case LOC_TYPEDEF: |
| 811 | fputs_filtered ("type", outfile); |
| 812 | break; |
| 813 | case LOC_LABEL: |
| 814 | fputs_filtered ("label", outfile); |
| 815 | break; |
| 816 | case LOC_BLOCK: |
| 817 | fputs_filtered ("function", outfile); |
| 818 | break; |
| 819 | case LOC_CONST_BYTES: |
| 820 | fputs_filtered ("constant bytes", outfile); |
| 821 | break; |
| 822 | case LOC_LOCAL_ARG: |
| 823 | fputs_filtered ("shuffled arg", outfile); |
| 824 | break; |
| 825 | case LOC_UNRESOLVED: |
| 826 | fputs_filtered ("unresolved", outfile); |
| 827 | break; |
| 828 | case LOC_OPTIMIZED_OUT: |
| 829 | fputs_filtered ("optimized out", outfile); |
| 830 | break; |
| 831 | default: |
| 832 | fputs_filtered ("<invalid location>", outfile); |
| 833 | break; |
| 834 | } |
| 835 | fputs_filtered (", ", outfile); |
| 836 | /* FIXME-32x64: Need to use SYMBOL_VALUE_ADDRESS, etc.; this |
| 837 | could be 32 bits when some of the other fields in the union |
| 838 | are 64. */ |
| 839 | fprintf_filtered (outfile, "0x%lx\n", SYMBOL_VALUE (*p)); |
| 840 | p++; |
| 841 | } |
| 842 | } |
| 843 | |
| 844 | void |
| 845 | maintenance_print_msymbols (args, from_tty) |
| 846 | char *args; |
| 847 | int from_tty; |
| 848 | { |
| 849 | char **argv; |
| 850 | GDB_FILE *outfile; |
| 851 | struct cleanup *cleanups; |
| 852 | char *filename = DEV_TTY; |
| 853 | char *symname = NULL; |
| 854 | struct objfile *objfile; |
| 855 | |
| 856 | dont_repeat (); |
| 857 | |
| 858 | if (args == NULL) |
| 859 | { |
| 860 | error ("print-msymbols takes an output file name and optional symbol file name"); |
| 861 | } |
| 862 | else if ((argv = buildargv (args)) == NULL) |
| 863 | { |
| 864 | nomem (0); |
| 865 | } |
| 866 | cleanups = make_cleanup (freeargv, argv); |
| 867 | |
| 868 | if (argv[0] != NULL) |
| 869 | { |
| 870 | filename = argv[0]; |
| 871 | /* If a second arg is supplied, it is a source file name to match on */ |
| 872 | if (argv[1] != NULL) |
| 873 | { |
| 874 | symname = argv[1]; |
| 875 | } |
| 876 | } |
| 877 | |
| 878 | filename = tilde_expand (filename); |
| 879 | make_cleanup (free, filename); |
| 880 | |
| 881 | outfile = gdb_fopen (filename, FOPEN_WT); |
| 882 | if (outfile == 0) |
| 883 | perror_with_name (filename); |
| 884 | make_cleanup (fclose, outfile); |
| 885 | |
| 886 | immediate_quit++; |
| 887 | ALL_OBJFILES (objfile) |
| 888 | if (symname == NULL || (STREQ (symname, objfile -> name))) |
| 889 | dump_msymbols (objfile, outfile); |
| 890 | immediate_quit--; |
| 891 | fprintf_filtered (outfile, "\n\n"); |
| 892 | do_cleanups (cleanups); |
| 893 | } |
| 894 | |
| 895 | void |
| 896 | maintenance_print_objfiles (ignore, from_tty) |
| 897 | char *ignore; |
| 898 | int from_tty; |
| 899 | { |
| 900 | struct objfile *objfile; |
| 901 | |
| 902 | dont_repeat (); |
| 903 | |
| 904 | immediate_quit++; |
| 905 | ALL_OBJFILES (objfile) |
| 906 | dump_objfile (objfile); |
| 907 | immediate_quit--; |
| 908 | } |
| 909 | |
| 910 | /* Check consistency of psymtabs and symtabs. */ |
| 911 | |
| 912 | void |
| 913 | maintenance_check_symtabs (ignore, from_tty) |
| 914 | char *ignore; |
| 915 | int from_tty; |
| 916 | { |
| 917 | register struct symbol *sym; |
| 918 | register struct partial_symbol **psym; |
| 919 | register struct symtab *s = NULL; |
| 920 | register struct partial_symtab *ps; |
| 921 | struct blockvector *bv; |
| 922 | register struct objfile *objfile; |
| 923 | register struct block *b; |
| 924 | int length; |
| 925 | |
| 926 | ALL_PSYMTABS (objfile, ps) |
| 927 | { |
| 928 | s = PSYMTAB_TO_SYMTAB(ps); |
| 929 | if (s == NULL) |
| 930 | continue; |
| 931 | bv = BLOCKVECTOR (s); |
| 932 | b = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK); |
| 933 | psym = ps->objfile->static_psymbols.list + ps->statics_offset; |
| 934 | length = ps->n_static_syms; |
| 935 | while (length--) |
| 936 | { |
| 937 | sym = lookup_block_symbol (b, SYMBOL_NAME (*psym), |
| 938 | SYMBOL_NAMESPACE (*psym)); |
| 939 | if (!sym) |
| 940 | { |
| 941 | printf_filtered ("Static symbol `"); |
| 942 | puts_filtered (SYMBOL_NAME (*psym)); |
| 943 | printf_filtered ("' only found in "); |
| 944 | puts_filtered (ps->filename); |
| 945 | printf_filtered (" psymtab\n"); |
| 946 | } |
| 947 | psym++; |
| 948 | } |
| 949 | b = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK); |
| 950 | psym = ps->objfile->global_psymbols.list + ps->globals_offset; |
| 951 | length = ps->n_global_syms; |
| 952 | while (length--) |
| 953 | { |
| 954 | sym = lookup_block_symbol (b, SYMBOL_NAME (*psym), |
| 955 | SYMBOL_NAMESPACE (*psym)); |
| 956 | if (!sym) |
| 957 | { |
| 958 | printf_filtered ("Global symbol `"); |
| 959 | puts_filtered (SYMBOL_NAME (*psym)); |
| 960 | printf_filtered ("' only found in "); |
| 961 | puts_filtered (ps->filename); |
| 962 | printf_filtered (" psymtab\n"); |
| 963 | } |
| 964 | psym++; |
| 965 | } |
| 966 | if (ps->texthigh < ps->textlow) |
| 967 | { |
| 968 | printf_filtered ("Psymtab "); |
| 969 | puts_filtered (ps->filename); |
| 970 | printf_filtered (" covers bad range "); |
| 971 | print_address_numeric (ps->textlow, 1, stdout); |
| 972 | printf_filtered (" - "); |
| 973 | print_address_numeric (ps->texthigh, 1, stdout); |
| 974 | printf_filtered ("\n"); |
| 975 | continue; |
| 976 | } |
| 977 | if (ps->texthigh == 0) |
| 978 | continue; |
| 979 | if (ps->textlow < BLOCK_START (b) || ps->texthigh > BLOCK_END (b)) |
| 980 | { |
| 981 | printf_filtered ("Psymtab "); |
| 982 | puts_filtered (ps->filename); |
| 983 | printf_filtered (" covers "); |
| 984 | print_address_numeric (ps->textlow, 1, stdout); |
| 985 | printf_filtered (" - "); |
| 986 | print_address_numeric (ps->texthigh, 1, stdout); |
| 987 | printf_filtered (" but symtab covers only "); |
| 988 | print_address_numeric (BLOCK_START (b), 1, stdout); |
| 989 | printf_filtered (" - "); |
| 990 | print_address_numeric (BLOCK_END (b), 1, stdout); |
| 991 | printf_filtered ("\n"); |
| 992 | } |
| 993 | } |
| 994 | } |
| 995 | |
| 996 | \f |
| 997 | /* Return the nexting depth of a block within other blocks in its symtab. */ |
| 998 | |
| 999 | static int |
| 1000 | block_depth (block) |
| 1001 | struct block *block; |
| 1002 | { |
| 1003 | register int i = 0; |
| 1004 | while ((block = BLOCK_SUPERBLOCK (block)) != NULL) |
| 1005 | { |
| 1006 | i++; |
| 1007 | } |
| 1008 | return i; |
| 1009 | } |
| 1010 | |
| 1011 | #endif /* MAINTENANCE_CMDS */ |
| 1012 | |
| 1013 | \f |
| 1014 | /* Increase the space allocated for LISTP, which is probably |
| 1015 | global_psymbols or static_psymbols. This space will eventually |
| 1016 | be freed in free_objfile(). */ |
| 1017 | |
| 1018 | void |
| 1019 | extend_psymbol_list (listp, objfile) |
| 1020 | register struct psymbol_allocation_list *listp; |
| 1021 | struct objfile *objfile; |
| 1022 | { |
| 1023 | int new_size; |
| 1024 | if (listp->size == 0) |
| 1025 | { |
| 1026 | new_size = 255; |
| 1027 | listp->list = (struct partial_symbol **) |
| 1028 | xmmalloc (objfile -> md, new_size * sizeof (struct partial_symbol *)); |
| 1029 | } |
| 1030 | else |
| 1031 | { |
| 1032 | new_size = listp->size * 2; |
| 1033 | listp->list = (struct partial_symbol **) |
| 1034 | xmrealloc (objfile -> md, (char *) listp->list, |
| 1035 | new_size * sizeof (struct partial_symbol *)); |
| 1036 | } |
| 1037 | /* Next assumes we only went one over. Should be good if |
| 1038 | program works correctly */ |
| 1039 | listp->next = listp->list + listp->size; |
| 1040 | listp->size = new_size; |
| 1041 | } |
| 1042 | |
| 1043 | |
| 1044 | /* Do early runtime initializations. */ |
| 1045 | void |
| 1046 | _initialize_symmisc () |
| 1047 | { |
| 1048 | std_in = stdin; |
| 1049 | std_out = stdout; |
| 1050 | std_err = stderr; |
| 1051 | } |