1 /* 2 * Copyright (c) 1983, 1993, 1998, 2001, 2002 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #include "gprof.h" 31 #include "libiberty.h" 32 #include "bfdver.h" 33 #include "search_list.h" 34 #include "source.h" 35 #include "symtab.h" 36 #include "basic_blocks.h" 37 #include "call_graph.h" 38 #include "cg_arcs.h" 39 #include "cg_print.h" 40 #include "corefile.h" 41 #include "gmon_io.h" 42 #include "hertz.h" 43 #include "hist.h" 44 #include "sym_ids.h" 45 #include "demangle.h" 46 #include "getopt.h" 47 48 static void usage (FILE *, int) ATTRIBUTE_NORETURN; 49 50 const char * whoami; 51 const char * function_mapping_file; 52 static const char * external_symbol_table; 53 const char * a_out_name = A_OUTNAME; 54 long hz = HZ_WRONG; 55 56 /* 57 * Default options values: 58 */ 59 int debug_level = 0; 60 int output_style = 0; 61 int output_width = 80; 62 bfd_boolean bsd_style_output = FALSE; 63 bfd_boolean demangle = TRUE; 64 bfd_boolean ignore_direct_calls = FALSE; 65 bfd_boolean ignore_static_funcs = FALSE; 66 bfd_boolean ignore_zeros = TRUE; 67 bfd_boolean line_granularity = FALSE; 68 bfd_boolean print_descriptions = TRUE; 69 bfd_boolean print_path = FALSE; 70 bfd_boolean ignore_non_functions = FALSE; 71 bfd_boolean inline_file_names = FALSE; 72 File_Format file_format = FF_AUTO; 73 74 bfd_boolean first_output = TRUE; 75 76 char copyright[] = 77 "@(#) Copyright (c) 1983 Regents of the University of California.\n\ 78 All rights reserved.\n"; 79 80 static char *gmon_name = GMONNAME; /* profile filename */ 81 82 /* 83 * Functions that get excluded by default: 84 */ 85 static char *default_excluded_list[] = 86 { 87 "_gprof_mcount", "mcount", "_mcount", "__mcount", "__mcount_internal", 88 "__mcleanup", 89 0 90 }; 91 92 /* Codes used for the long options with no short synonyms. 150 isn't 93 special; it's just an arbitrary non-ASCII char value. */ 94 95 #define OPTION_DEMANGLE (150) 96 #define OPTION_NO_DEMANGLE (OPTION_DEMANGLE + 1) 97 #define OPTION_INLINE_FILE_NAMES (OPTION_DEMANGLE + 2) 98 99 static struct option long_options[] = 100 { 101 {"line", no_argument, 0, 'l'}, 102 {"no-static", no_argument, 0, 'a'}, 103 {"ignore-non-functions", no_argument, 0, 'D'}, 104 {"external-symbol-table", required_argument, 0, 'S'}, 105 106 /* output styles: */ 107 108 {"annotated-source", optional_argument, 0, 'A'}, 109 {"no-annotated-source", optional_argument, 0, 'J'}, 110 {"flat-profile", optional_argument, 0, 'p'}, 111 {"no-flat-profile", optional_argument, 0, 'P'}, 112 {"graph", optional_argument, 0, 'q'}, 113 {"no-graph", optional_argument, 0, 'Q'}, 114 {"exec-counts", optional_argument, 0, 'C'}, 115 {"no-exec-counts", optional_argument, 0, 'Z'}, 116 {"function-ordering", no_argument, 0, 'r'}, 117 {"file-ordering", required_argument, 0, 'R'}, 118 {"file-info", no_argument, 0, 'i'}, 119 {"sum", no_argument, 0, 's'}, 120 121 /* various options to affect output: */ 122 123 {"all-lines", no_argument, 0, 'x'}, 124 {"demangle", optional_argument, 0, OPTION_DEMANGLE}, 125 {"no-demangle", no_argument, 0, OPTION_NO_DEMANGLE}, 126 {"directory-path", required_argument, 0, 'I'}, 127 {"display-unused-functions", no_argument, 0, 'z'}, 128 {"inline-file-names", no_argument, 0, OPTION_INLINE_FILE_NAMES}, 129 {"min-count", required_argument, 0, 'm'}, 130 {"print-path", no_argument, 0, 'L'}, 131 {"separate-files", no_argument, 0, 'y'}, 132 {"static-call-graph", no_argument, 0, 'c'}, 133 {"table-length", required_argument, 0, 't'}, 134 {"time", required_argument, 0, 'n'}, 135 {"no-time", required_argument, 0, 'N'}, 136 {"width", required_argument, 0, 'w'}, 137 /* 138 * These are for backwards-compatibility only. Their functionality 139 * is provided by the output style options already: 140 */ 141 {"", required_argument, 0, 'e'}, 142 {"", required_argument, 0, 'E'}, 143 {"", required_argument, 0, 'f'}, 144 {"", required_argument, 0, 'F'}, 145 {"", required_argument, 0, 'k'}, 146 147 /* miscellaneous: */ 148 149 {"brief", no_argument, 0, 'b'}, 150 {"debug", optional_argument, 0, 'd'}, 151 {"help", no_argument, 0, 'h'}, 152 {"file-format", required_argument, 0, 'O'}, 153 {"traditional", no_argument, 0, 'T'}, 154 {"version", no_argument, 0, 'v'}, 155 {0, no_argument, 0, 0} 156 }; 157 158 159 static void 160 usage (FILE *stream, int status) 161 { 162 fprintf (stream, _("\ 163 Usage: %s [-[abcDhilLsTvwxyz]] [-[ACeEfFJnNOpPqSQZ][name]] [-I dirs]\n\ 164 [-d[num]] [-k from/to] [-m min-count] [-t table-length]\n\ 165 [--[no-]annotated-source[=name]] [--[no-]exec-counts[=name]]\n\ 166 [--[no-]flat-profile[=name]] [--[no-]graph[=name]]\n\ 167 [--[no-]time=name] [--all-lines] [--brief] [--debug[=level]]\n\ 168 [--function-ordering] [--file-ordering] [--inline-file-names]\n\ 169 [--directory-path=dirs] [--display-unused-functions]\n\ 170 [--file-format=name] [--file-info] [--help] [--line] [--min-count=n]\n\ 171 [--no-static] [--print-path] [--separate-files]\n\ 172 [--static-call-graph] [--sum] [--table-length=len] [--traditional]\n\ 173 [--version] [--width=n] [--ignore-non-functions]\n\ 174 [--demangle[=STYLE]] [--no-demangle] [--external-symbol-table=name] [@FILE]\n\ 175 [image-file] [profile-file...]\n"), 176 whoami); 177 if (REPORT_BUGS_TO[0] && status == 0) 178 fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO); 179 done (status); 180 } 181 182 183 int 184 main (int argc, char **argv) 185 { 186 char **sp, *str; 187 Sym **cg = 0; 188 int ch, user_specified = 0; 189 190 #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) 191 setlocale (LC_MESSAGES, ""); 192 #endif 193 #if defined (HAVE_SETLOCALE) 194 setlocale (LC_CTYPE, ""); 195 #endif 196 #ifdef ENABLE_NLS 197 bindtextdomain (PACKAGE, LOCALEDIR); 198 textdomain (PACKAGE); 199 #endif 200 201 whoami = argv[0]; 202 xmalloc_set_program_name (whoami); 203 204 expandargv (&argc, &argv); 205 206 while ((ch = getopt_long (argc, argv, 207 "aA::bBcC::d::De:E:f:F:hiI:J::k:lLm:n:N:O:p::P::q::Q::rR:sS:t:Tvw:xyzZ::", 208 long_options, 0)) 209 != EOF) 210 { 211 switch (ch) 212 { 213 case 'a': 214 ignore_static_funcs = TRUE; 215 break; 216 case 'A': 217 if (optarg) 218 { 219 sym_id_add (optarg, INCL_ANNO); 220 } 221 output_style |= STYLE_ANNOTATED_SOURCE; 222 user_specified |= STYLE_ANNOTATED_SOURCE; 223 break; 224 case 'b': 225 print_descriptions = FALSE; 226 break; 227 case 'B': 228 output_style |= STYLE_CALL_GRAPH; 229 user_specified |= STYLE_CALL_GRAPH; 230 break; 231 case 'c': 232 ignore_direct_calls = TRUE; 233 break; 234 case 'C': 235 if (optarg) 236 { 237 sym_id_add (optarg, INCL_EXEC); 238 } 239 output_style |= STYLE_EXEC_COUNTS; 240 user_specified |= STYLE_EXEC_COUNTS; 241 break; 242 case 'd': 243 if (optarg) 244 { 245 debug_level |= atoi (optarg); 246 debug_level |= ANYDEBUG; 247 } 248 else 249 { 250 debug_level = ~0; 251 } 252 DBG (ANYDEBUG, printf ("[main] debug-level=0x%x\n", debug_level)); 253 #ifndef DEBUG 254 printf (_("%s: debugging not supported; -d ignored\n"), whoami); 255 #endif /* DEBUG */ 256 break; 257 case 'D': 258 ignore_non_functions = TRUE; 259 break; 260 case 'E': 261 sym_id_add (optarg, EXCL_TIME); 262 case 'e': 263 sym_id_add (optarg, EXCL_GRAPH); 264 break; 265 case 'F': 266 sym_id_add (optarg, INCL_TIME); 267 case 'f': 268 sym_id_add (optarg, INCL_GRAPH); 269 break; 270 case 'g': 271 sym_id_add (optarg, EXCL_FLAT); 272 break; 273 case 'G': 274 sym_id_add (optarg, INCL_FLAT); 275 break; 276 case 'h': 277 usage (stdout, 0); 278 case 'i': 279 output_style |= STYLE_GMON_INFO; 280 user_specified |= STYLE_GMON_INFO; 281 break; 282 case 'I': 283 search_list_append (&src_search_list, optarg); 284 break; 285 case 'J': 286 if (optarg) 287 { 288 sym_id_add (optarg, EXCL_ANNO); 289 output_style |= STYLE_ANNOTATED_SOURCE; 290 } 291 else 292 { 293 output_style &= ~STYLE_ANNOTATED_SOURCE; 294 } 295 user_specified |= STYLE_ANNOTATED_SOURCE; 296 break; 297 case 'k': 298 sym_id_add (optarg, EXCL_ARCS); 299 break; 300 case 'l': 301 line_granularity = TRUE; 302 break; 303 case 'L': 304 print_path = TRUE; 305 break; 306 case 'm': 307 bb_min_calls = (unsigned long) strtoul (optarg, (char **) NULL, 10); 308 break; 309 case 'n': 310 sym_id_add (optarg, INCL_TIME); 311 break; 312 case 'N': 313 sym_id_add (optarg, EXCL_TIME); 314 break; 315 case 'O': 316 switch (optarg[0]) 317 { 318 case 'a': 319 file_format = FF_AUTO; 320 break; 321 case 'm': 322 file_format = FF_MAGIC; 323 break; 324 case 'b': 325 file_format = FF_BSD; 326 break; 327 case '4': 328 file_format = FF_BSD44; 329 break; 330 case 'p': 331 file_format = FF_PROF; 332 break; 333 default: 334 fprintf (stderr, _("%s: unknown file format %s\n"), 335 optarg, whoami); 336 done (1); 337 } 338 break; 339 case 'p': 340 if (optarg) 341 { 342 sym_id_add (optarg, INCL_FLAT); 343 } 344 output_style |= STYLE_FLAT_PROFILE; 345 user_specified |= STYLE_FLAT_PROFILE; 346 break; 347 case 'P': 348 if (optarg) 349 { 350 sym_id_add (optarg, EXCL_FLAT); 351 output_style |= STYLE_FLAT_PROFILE; 352 } 353 else 354 { 355 output_style &= ~STYLE_FLAT_PROFILE; 356 } 357 user_specified |= STYLE_FLAT_PROFILE; 358 break; 359 case 'q': 360 if (optarg) 361 { 362 if (strchr (optarg, '/')) 363 { 364 sym_id_add (optarg, INCL_ARCS); 365 } 366 else 367 { 368 sym_id_add (optarg, INCL_GRAPH); 369 } 370 } 371 output_style |= STYLE_CALL_GRAPH; 372 user_specified |= STYLE_CALL_GRAPH; 373 break; 374 case 'r': 375 output_style |= STYLE_FUNCTION_ORDER; 376 user_specified |= STYLE_FUNCTION_ORDER; 377 break; 378 case 'R': 379 output_style |= STYLE_FILE_ORDER; 380 user_specified |= STYLE_FILE_ORDER; 381 function_mapping_file = optarg; 382 break; 383 case 'Q': 384 if (optarg) 385 { 386 if (strchr (optarg, '/')) 387 { 388 sym_id_add (optarg, EXCL_ARCS); 389 } 390 else 391 { 392 sym_id_add (optarg, EXCL_GRAPH); 393 } 394 output_style |= STYLE_CALL_GRAPH; 395 } 396 else 397 { 398 output_style &= ~STYLE_CALL_GRAPH; 399 } 400 user_specified |= STYLE_CALL_GRAPH; 401 break; 402 case 's': 403 output_style |= STYLE_SUMMARY_FILE; 404 user_specified |= STYLE_SUMMARY_FILE; 405 break; 406 case 'S': 407 external_symbol_table = optarg; 408 DBG (AOUTDEBUG, printf ("external-symbol-table: %s\n", optarg)); 409 break; 410 case 't': 411 bb_table_length = atoi (optarg); 412 if (bb_table_length < 0) 413 { 414 bb_table_length = 0; 415 } 416 break; 417 case 'T': 418 bsd_style_output = TRUE; 419 break; 420 case 'v': 421 /* This output is intended to follow the GNU standards document. */ 422 printf (_("GNU gprof %s\n"), BFD_VERSION_STRING); 423 printf (_("Based on BSD gprof, copyright 1983 Regents of the University of California.\n")); 424 printf (_("\ 425 This program is free software. This program has absolutely no warranty.\n")); 426 done (0); 427 case 'w': 428 output_width = atoi (optarg); 429 if (output_width < 1) 430 { 431 output_width = 1; 432 } 433 break; 434 case 'x': 435 bb_annotate_all_lines = TRUE; 436 break; 437 case 'y': 438 create_annotation_files = TRUE; 439 break; 440 case 'z': 441 ignore_zeros = FALSE; 442 break; 443 case 'Z': 444 if (optarg) 445 { 446 sym_id_add (optarg, EXCL_EXEC); 447 output_style |= STYLE_EXEC_COUNTS; 448 } 449 else 450 { 451 output_style &= ~STYLE_EXEC_COUNTS; 452 } 453 user_specified |= STYLE_ANNOTATED_SOURCE; 454 break; 455 case OPTION_DEMANGLE: 456 demangle = TRUE; 457 if (optarg != NULL) 458 { 459 enum demangling_styles style; 460 461 style = cplus_demangle_name_to_style (optarg); 462 if (style == unknown_demangling) 463 { 464 fprintf (stderr, 465 _("%s: unknown demangling style `%s'\n"), 466 whoami, optarg); 467 xexit (1); 468 } 469 470 cplus_demangle_set_style (style); 471 } 472 break; 473 case OPTION_NO_DEMANGLE: 474 demangle = FALSE; 475 break; 476 case OPTION_INLINE_FILE_NAMES: 477 inline_file_names = TRUE; 478 break; 479 default: 480 usage (stderr, 1); 481 } 482 } 483 484 /* Don't allow both ordering options, they modify the arc data in-place. */ 485 if ((user_specified & STYLE_FUNCTION_ORDER) 486 && (user_specified & STYLE_FILE_ORDER)) 487 { 488 fprintf (stderr,_("\ 489 %s: Only one of --function-ordering and --file-ordering may be specified.\n"), 490 whoami); 491 done (1); 492 } 493 494 /* --sum implies --line, otherwise we'd lose basic block counts in 495 gmon.sum */ 496 if (output_style & STYLE_SUMMARY_FILE) 497 line_granularity = 1; 498 499 /* append value of GPROF_PATH to source search list if set: */ 500 str = (char *) getenv ("GPROF_PATH"); 501 if (str) 502 search_list_append (&src_search_list, str); 503 504 if (optind < argc) 505 a_out_name = argv[optind++]; 506 507 if (optind < argc) 508 gmon_name = argv[optind++]; 509 510 /* Turn off default functions. */ 511 for (sp = &default_excluded_list[0]; *sp; sp++) 512 { 513 sym_id_add (*sp, EXCL_TIME); 514 sym_id_add (*sp, EXCL_GRAPH); 515 sym_id_add (*sp, EXCL_FLAT); 516 } 517 518 /* Read symbol table from core file. */ 519 core_init (a_out_name); 520 521 /* If we should ignore direct function calls, we need to load to 522 core's text-space. */ 523 if (ignore_direct_calls) 524 core_get_text_space (core_bfd); 525 526 /* Create symbols from core image. */ 527 if (external_symbol_table) 528 core_create_syms_from (external_symbol_table); 529 else if (line_granularity) 530 core_create_line_syms (); 531 else 532 core_create_function_syms (); 533 534 /* Translate sym specs into syms. */ 535 sym_id_parse (); 536 537 if (file_format == FF_PROF) 538 { 539 fprintf (stderr, 540 _("%s: sorry, file format `prof' is not yet supported\n"), 541 whoami); 542 done (1); 543 } 544 else 545 { 546 /* Get information about gmon.out file(s). */ 547 do 548 { 549 gmon_out_read (gmon_name); 550 if (optind < argc) 551 gmon_name = argv[optind]; 552 } 553 while (optind++ < argc); 554 } 555 556 /* If user did not specify output style, try to guess something 557 reasonable. */ 558 if (output_style == 0) 559 { 560 if (gmon_input & (INPUT_HISTOGRAM | INPUT_CALL_GRAPH)) 561 { 562 if (gmon_input & INPUT_HISTOGRAM) 563 output_style |= STYLE_FLAT_PROFILE; 564 if (gmon_input & INPUT_CALL_GRAPH) 565 output_style |= STYLE_CALL_GRAPH; 566 } 567 else 568 output_style = STYLE_EXEC_COUNTS; 569 570 output_style &= ~user_specified; 571 } 572 573 /* Dump a gmon.sum file if requested (before any other 574 processing!) */ 575 if (output_style & STYLE_SUMMARY_FILE) 576 { 577 gmon_out_write (GMONSUM); 578 } 579 580 if (gmon_input & INPUT_HISTOGRAM) 581 { 582 hist_assign_samples (); 583 } 584 585 if (gmon_input & INPUT_CALL_GRAPH) 586 { 587 cg = cg_assemble (); 588 } 589 590 /* Do some simple sanity checks. */ 591 if ((output_style & STYLE_FLAT_PROFILE) 592 && !(gmon_input & INPUT_HISTOGRAM)) 593 { 594 fprintf (stderr, _("%s: gmon.out file is missing histogram\n"), whoami); 595 done (1); 596 } 597 598 if ((output_style & STYLE_CALL_GRAPH) && !(gmon_input & INPUT_CALL_GRAPH)) 599 { 600 fprintf (stderr, 601 _("%s: gmon.out file is missing call-graph data\n"), whoami); 602 done (1); 603 } 604 605 /* Output whatever user whishes to see. */ 606 if (cg && (output_style & STYLE_CALL_GRAPH) && bsd_style_output) 607 { 608 /* Print the dynamic profile. */ 609 cg_print (cg); 610 } 611 612 if (output_style & STYLE_FLAT_PROFILE) 613 { 614 /* Print the flat profile. */ 615 hist_print (); 616 } 617 618 if (cg && (output_style & STYLE_CALL_GRAPH)) 619 { 620 if (!bsd_style_output) 621 { 622 /* Print the dynamic profile. */ 623 cg_print (cg); 624 } 625 cg_print_index (); 626 } 627 628 if (output_style & STYLE_EXEC_COUNTS) 629 print_exec_counts (); 630 631 if (output_style & STYLE_ANNOTATED_SOURCE) 632 print_annotated_source (); 633 634 if (output_style & STYLE_FUNCTION_ORDER) 635 cg_print_function_ordering (); 636 637 if (output_style & STYLE_FILE_ORDER) 638 cg_print_file_ordering (); 639 640 return 0; 641 } 642 643 void 644 done (int status) 645 { 646 exit (status); 647 } 648