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 48static void usage (FILE *, int) ATTRIBUTE_NORETURN; 49 50const char * whoami; 51const char * function_mapping_file; 52static const char * external_symbol_table; 53const char * a_out_name = A_OUTNAME; 54long hz = HZ_WRONG; 55 56/* 57 * Default options values: 58 */ 59int debug_level = 0; 60int output_style = 0; 61int output_width = 80; 62bfd_boolean bsd_style_output = FALSE; 63bfd_boolean demangle = TRUE; 64bfd_boolean ignore_direct_calls = FALSE; 65bfd_boolean ignore_static_funcs = FALSE; 66bfd_boolean ignore_zeros = TRUE; 67bfd_boolean line_granularity = FALSE; 68bfd_boolean print_descriptions = TRUE; 69bfd_boolean print_path = FALSE; 70bfd_boolean ignore_non_functions = FALSE; 71bfd_boolean inline_file_names = FALSE; 72File_Format file_format = FF_AUTO; 73 74bfd_boolean first_output = TRUE; 75 76char copyright[] = 77 "@(#) Copyright (c) 1983 Regents of the University of California.\n\ 78 All rights reserved.\n"; 79 80static char *gmon_name = GMONNAME; /* profile filename */ 81 82/* 83 * Functions that get excluded by default: 84 */ 85static 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 99static 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 159static void 160usage (FILE *stream, int status) 161{ 162 fprintf (stream, _("\ 163Usage: %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 183int 184main (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 /* Fall through. */ 263 case 'e': 264 sym_id_add (optarg, EXCL_GRAPH); 265 break; 266 case 'F': 267 sym_id_add (optarg, INCL_TIME); 268 /* Fall through. */ 269 case 'f': 270 sym_id_add (optarg, INCL_GRAPH); 271 break; 272 case 'g': 273 sym_id_add (optarg, EXCL_FLAT); 274 break; 275 case 'G': 276 sym_id_add (optarg, INCL_FLAT); 277 break; 278 case 'h': 279 usage (stdout, 0); 280 case 'i': 281 output_style |= STYLE_GMON_INFO; 282 user_specified |= STYLE_GMON_INFO; 283 break; 284 case 'I': 285 search_list_append (&src_search_list, optarg); 286 break; 287 case 'J': 288 if (optarg) 289 { 290 sym_id_add (optarg, EXCL_ANNO); 291 output_style |= STYLE_ANNOTATED_SOURCE; 292 } 293 else 294 { 295 output_style &= ~STYLE_ANNOTATED_SOURCE; 296 } 297 user_specified |= STYLE_ANNOTATED_SOURCE; 298 break; 299 case 'k': 300 sym_id_add (optarg, EXCL_ARCS); 301 break; 302 case 'l': 303 line_granularity = TRUE; 304 break; 305 case 'L': 306 print_path = TRUE; 307 break; 308 case 'm': 309 bb_min_calls = (unsigned long) strtoul (optarg, (char **) NULL, 10); 310 break; 311 case 'n': 312 sym_id_add (optarg, INCL_TIME); 313 break; 314 case 'N': 315 sym_id_add (optarg, EXCL_TIME); 316 break; 317 case 'O': 318 switch (optarg[0]) 319 { 320 case 'a': 321 file_format = FF_AUTO; 322 break; 323 case 'm': 324 file_format = FF_MAGIC; 325 break; 326 case 'b': 327 file_format = FF_BSD; 328 break; 329 case '4': 330 file_format = FF_BSD44; 331 break; 332 case 'p': 333 file_format = FF_PROF; 334 break; 335 default: 336 fprintf (stderr, _("%s: unknown file format %s\n"), 337 optarg, whoami); 338 done (1); 339 } 340 break; 341 case 'p': 342 if (optarg) 343 { 344 sym_id_add (optarg, INCL_FLAT); 345 } 346 output_style |= STYLE_FLAT_PROFILE; 347 user_specified |= STYLE_FLAT_PROFILE; 348 break; 349 case 'P': 350 if (optarg) 351 { 352 sym_id_add (optarg, EXCL_FLAT); 353 output_style |= STYLE_FLAT_PROFILE; 354 } 355 else 356 { 357 output_style &= ~STYLE_FLAT_PROFILE; 358 } 359 user_specified |= STYLE_FLAT_PROFILE; 360 break; 361 case 'q': 362 if (optarg) 363 { 364 if (strchr (optarg, '/')) 365 { 366 sym_id_add (optarg, INCL_ARCS); 367 } 368 else 369 { 370 sym_id_add (optarg, INCL_GRAPH); 371 } 372 } 373 output_style |= STYLE_CALL_GRAPH; 374 user_specified |= STYLE_CALL_GRAPH; 375 break; 376 case 'r': 377 output_style |= STYLE_FUNCTION_ORDER; 378 user_specified |= STYLE_FUNCTION_ORDER; 379 break; 380 case 'R': 381 output_style |= STYLE_FILE_ORDER; 382 user_specified |= STYLE_FILE_ORDER; 383 function_mapping_file = optarg; 384 break; 385 case 'Q': 386 if (optarg) 387 { 388 if (strchr (optarg, '/')) 389 { 390 sym_id_add (optarg, EXCL_ARCS); 391 } 392 else 393 { 394 sym_id_add (optarg, EXCL_GRAPH); 395 } 396 output_style |= STYLE_CALL_GRAPH; 397 } 398 else 399 { 400 output_style &= ~STYLE_CALL_GRAPH; 401 } 402 user_specified |= STYLE_CALL_GRAPH; 403 break; 404 case 's': 405 output_style |= STYLE_SUMMARY_FILE; 406 user_specified |= STYLE_SUMMARY_FILE; 407 break; 408 case 'S': 409 external_symbol_table = optarg; 410 DBG (AOUTDEBUG, printf ("external-symbol-table: %s\n", optarg)); 411 break; 412 case 't': 413 bb_table_length = atoi (optarg); 414 if (bb_table_length < 0) 415 { 416 bb_table_length = 0; 417 } 418 break; 419 case 'T': 420 bsd_style_output = TRUE; 421 break; 422 case 'v': 423 /* This output is intended to follow the GNU standards document. */ 424 printf (_("GNU gprof %s\n"), BFD_VERSION_STRING); 425 printf (_("Based on BSD gprof, copyright 1983 Regents of the University of California.\n")); 426 printf (_("\ 427This program is free software. This program has absolutely no warranty.\n")); 428 done (0); 429 case 'w': 430 output_width = atoi (optarg); 431 if (output_width < 1) 432 { 433 output_width = 1; 434 } 435 break; 436 case 'x': 437 bb_annotate_all_lines = TRUE; 438 break; 439 case 'y': 440 create_annotation_files = TRUE; 441 break; 442 case 'z': 443 ignore_zeros = FALSE; 444 break; 445 case 'Z': 446 if (optarg) 447 { 448 sym_id_add (optarg, EXCL_EXEC); 449 output_style |= STYLE_EXEC_COUNTS; 450 } 451 else 452 { 453 output_style &= ~STYLE_EXEC_COUNTS; 454 } 455 user_specified |= STYLE_ANNOTATED_SOURCE; 456 break; 457 case OPTION_DEMANGLE: 458 demangle = TRUE; 459 if (optarg != NULL) 460 { 461 enum demangling_styles style; 462 463 style = cplus_demangle_name_to_style (optarg); 464 if (style == unknown_demangling) 465 { 466 fprintf (stderr, 467 _("%s: unknown demangling style `%s'\n"), 468 whoami, optarg); 469 xexit (1); 470 } 471 472 cplus_demangle_set_style (style); 473 } 474 break; 475 case OPTION_NO_DEMANGLE: 476 demangle = FALSE; 477 break; 478 case OPTION_INLINE_FILE_NAMES: 479 inline_file_names = TRUE; 480 break; 481 default: 482 usage (stderr, 1); 483 } 484 } 485 486 /* Don't allow both ordering options, they modify the arc data in-place. */ 487 if ((user_specified & STYLE_FUNCTION_ORDER) 488 && (user_specified & STYLE_FILE_ORDER)) 489 { 490 fprintf (stderr,_("\ 491%s: Only one of --function-ordering and --file-ordering may be specified.\n"), 492 whoami); 493 done (1); 494 } 495 496 /* --sum implies --line, otherwise we'd lose basic block counts in 497 gmon.sum */ 498 if (output_style & STYLE_SUMMARY_FILE) 499 line_granularity = 1; 500 501 /* append value of GPROF_PATH to source search list if set: */ 502 str = (char *) getenv ("GPROF_PATH"); 503 if (str) 504 search_list_append (&src_search_list, str); 505 506 if (optind < argc) 507 a_out_name = argv[optind++]; 508 509 if (optind < argc) 510 gmon_name = argv[optind++]; 511 512 /* Turn off default functions. */ 513 for (sp = &default_excluded_list[0]; *sp; sp++) 514 { 515 sym_id_add (*sp, EXCL_TIME); 516 sym_id_add (*sp, EXCL_GRAPH); 517 sym_id_add (*sp, EXCL_FLAT); 518 } 519 520 /* Read symbol table from core file. */ 521 core_init (a_out_name); 522 523 /* If we should ignore direct function calls, we need to load to 524 core's text-space. */ 525 if (ignore_direct_calls) 526 core_get_text_space (core_bfd); 527 528 /* Create symbols from core image. */ 529 if (external_symbol_table) 530 core_create_syms_from (external_symbol_table); 531 else if (line_granularity) 532 core_create_line_syms (); 533 else 534 core_create_function_syms (); 535 536 /* Translate sym specs into syms. */ 537 sym_id_parse (); 538 539 if (file_format == FF_PROF) 540 { 541 fprintf (stderr, 542 _("%s: sorry, file format `prof' is not yet supported\n"), 543 whoami); 544 done (1); 545 } 546 else 547 { 548 /* Get information about gmon.out file(s). */ 549 do 550 { 551 gmon_out_read (gmon_name); 552 if (optind < argc) 553 gmon_name = argv[optind]; 554 } 555 while (optind++ < argc); 556 } 557 558 /* If user did not specify output style, try to guess something 559 reasonable. */ 560 if (output_style == 0) 561 { 562 if (gmon_input & (INPUT_HISTOGRAM | INPUT_CALL_GRAPH)) 563 { 564 if (gmon_input & INPUT_HISTOGRAM) 565 output_style |= STYLE_FLAT_PROFILE; 566 if (gmon_input & INPUT_CALL_GRAPH) 567 output_style |= STYLE_CALL_GRAPH; 568 } 569 else 570 output_style = STYLE_EXEC_COUNTS; 571 572 output_style &= ~user_specified; 573 } 574 575 /* Dump a gmon.sum file if requested (before any other 576 processing!) */ 577 if (output_style & STYLE_SUMMARY_FILE) 578 { 579 gmon_out_write (GMONSUM); 580 } 581 582 if (gmon_input & INPUT_HISTOGRAM) 583 { 584 hist_assign_samples (); 585 } 586 587 if (gmon_input & INPUT_CALL_GRAPH) 588 { 589 cg = cg_assemble (); 590 } 591 592 /* Do some simple sanity checks. */ 593 if ((output_style & STYLE_FLAT_PROFILE) 594 && !(gmon_input & INPUT_HISTOGRAM)) 595 { 596 fprintf (stderr, _("%s: gmon.out file is missing histogram\n"), whoami); 597 done (1); 598 } 599 600 if ((output_style & STYLE_CALL_GRAPH) && !(gmon_input & INPUT_CALL_GRAPH)) 601 { 602 fprintf (stderr, 603 _("%s: gmon.out file is missing call-graph data\n"), whoami); 604 done (1); 605 } 606 607 /* Output whatever user whishes to see. */ 608 if (cg && (output_style & STYLE_CALL_GRAPH) && bsd_style_output) 609 { 610 /* Print the dynamic profile. */ 611 cg_print (cg); 612 } 613 614 if (output_style & STYLE_FLAT_PROFILE) 615 { 616 /* Print the flat profile. */ 617 hist_print (); 618 } 619 620 if (cg && (output_style & STYLE_CALL_GRAPH)) 621 { 622 if (!bsd_style_output) 623 { 624 /* Print the dynamic profile. */ 625 cg_print (cg); 626 } 627 cg_print_index (); 628 } 629 630 if (output_style & STYLE_EXEC_COUNTS) 631 print_exec_counts (); 632 633 if (output_style & STYLE_ANNOTATED_SOURCE) 634 print_annotated_source (); 635 636 if (output_style & STYLE_FUNCTION_ORDER) 637 cg_print_function_ordering (); 638 639 if (output_style & STYLE_FILE_ORDER) 640 cg_print_file_ordering (); 641 642 return 0; 643} 644 645void 646done (int status) 647{ 648 exit (status); 649} 650