libgo/go/debug/elf/symbols_test.go

   1 // Copyright 2014 The Go Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 package elf
   6
   7 import (
   8         "io"
   9         "path"
  10         "reflect"
  11         "testing"
  12 )
  13
  14 // TODO: remove duplicate code
  15 func TestSymbols(t *testing.T) {
  16         do := func(file string, ts []Symbol, getfunc func(*File) ([]Symbol, error)) {
  17                 var f *File
  18                 var err error
  19                 if path.Ext(file) == ".gz" {
  20                         var r io.ReaderAt
  21                         if r, err = decompress(file); err == nil {
  22                                 f, err = NewFile(r)
  23                         }
  24                 } else {
  25                         f, err = Open(file)
  26                 }
  27                 if err != nil {
  28                         t.Errorf("TestSymbols: cannot open file %s: %v", file, err)
  29                         return
  30                 }
  31                 defer f.Close()
  32                 fs, err := getfunc(f)
  33                 if err != nil && err != ErrNoSymbols {
  34                         t.Error(err)
  35                         return
  36                 } else if err == ErrNoSymbols {
  37                         fs = []Symbol{}
  38                 }
  39                 if !reflect.DeepEqual(ts, fs) {
  40                         t.Errorf("%s: Symbols = %v, want %v", file, ts, fs)
  41                 }
  42         }
  43         for file, ts := range symbolsGolden {
  44                 do(file, ts, (*File).Symbols)
  45         }
  46         for file, ts := range dynamicSymbolsGolden {
  47                 do(file, ts, (*File).DynamicSymbols)
  48         }
  49 }
  50
  51 // golden symbol table data generated by testdata/getgoldsym.c
  52
  53 var symbolsGolden = map[string][]Symbol{
  54         "testdata/gcc-amd64-linux-exec": {
  55                 Symbol{
  56                         Name:    "",
  57                         Info:    0x3,
  58                         Other:   0x0,
  59                         Section: 0x1,
  60                         Value:   0x400200,
  61                         Size:    0x0,
  62                 },
  63                 Symbol{
  64                         Name:    "",
  65                         Info:    0x3,
  66                         Other:   0x0,
  67                         Section: 0x2,
  68                         Value:   0x40021C,
  69                         Size:    0x0,
  70                 },
  71                 Symbol{
  72                         Name:    "",
  73                         Info:    0x3,
  74                         Other:   0x0,
  75                         Section: 0x3,
  76                         Value:   0x400240,
  77                         Size:    0x0,
  78                 },
  79                 Symbol{
  80                         Name:    "",
  81                         Info:    0x3,
  82                         Other:   0x0,
  83                         Section: 0x4,
  84                         Value:   0x400268,
  85                         Size:    0x0,
  86                 },
  87                 Symbol{
  88                         Name:    "",
  89                         Info:    0x3,
  90                         Other:   0x0,
  91                         Section: 0x5,
  92                         Value:   0x400288,
  93                         Size:    0x0,
  94                 },
  95                 Symbol{
  96                         Name:    "",
  97                         Info:    0x3,
  98                         Other:   0x0,
  99                         Section: 0x6,
 100                         Value:   0x4002E8,
 101                         Size:    0x0,
 102                 },
 103                 Symbol{
 104                         Name:    "",
 105                         Info:    0x3,
 106                         Other:   0x0,
 107                         Section: 0x7,
 108                         Value:   0x400326,
 109                         Size:    0x0,
 110                 },
 111                 Symbol{
 112                         Name:    "",
 113                         Info:    0x3,
 114                         Other:   0x0,
 115                         Section: 0x8,
 116                         Value:   0x400330,
 117                         Size:    0x0,
 118                 },
 119                 Symbol{
 120                         Name:    "",
 121                         Info:    0x3,
 122                         Other:   0x0,
 123                         Section: 0x9,
 124                         Value:   0x400350,
 125                         Size:    0x0,
 126                 },
 127                 Symbol{
 128                         Name:    "",
 129                         Info:    0x3,
 130                         Other:   0x0,
 131                         Section: 0xA,
 132                         Value:   0x400368,
 133                         Size:    0x0,
 134                 },
 135                 Symbol{
 136                         Name:    "",
 137                         Info:    0x3,
 138                         Other:   0x0,
 139                         Section: 0xB,
 140                         Value:   0x400398,
 141                         Size:    0x0,
 142                 },
 143                 Symbol{
 144                         Name:    "",
 145                         Info:    0x3,
 146                         Other:   0x0,
 147                         Section: 0xC,
 148                         Value:   0x4003B0,
 149                         Size:    0x0,
 150                 },
 151                 Symbol{
 152                         Name:    "",
 153                         Info:    0x3,
 154                         Other:   0x0,
 155                         Section: 0xD,
 156                         Value:   0x4003E0,
 157                         Size:    0x0,
 158                 },
 159                 Symbol{
 160                         Name:    "",
 161                         Info:    0x3,
 162                         Other:   0x0,
 163                         Section: 0xE,
 164                         Value:   0x400594,
 165                         Size:    0x0,
 166                 },
 167                 Symbol{
 168                         Name:    "",
 169                         Info:    0x3,
 170                         Other:   0x0,
 171                         Section: 0xF,
 172                         Value:   0x4005A4,
 173                         Size:    0x0,
 174                 },
 175                 Symbol{
 176                         Name:    "",
 177                         Info:    0x3,
 178                         Other:   0x0,
 179                         Section: 0x10,
 180                         Value:   0x4005B8,
 181                         Size:    0x0,
 182                 },
 183                 Symbol{
 184                         Name:    "",
 185                         Info:    0x3,
 186                         Other:   0x0,
 187                         Section: 0x11,
 188                         Value:   0x4005E0,
 189                         Size:    0x0,
 190                 },
 191                 Symbol{
 192                         Name:    "",
 193                         Info:    0x3,
 194                         Other:   0x0,
 195                         Section: 0x12,
 196                         Value:   0x600688,
 197                         Size:    0x0,
 198                 },
 199                 Symbol{
 200                         Name:    "",
 201                         Info:    0x3,
 202                         Other:   0x0,
 203                         Section: 0x13,
 204                         Value:   0x600698,
 205                         Size:    0x0,
 206                 },
 207                 Symbol{
 208                         Name:    "",
 209                         Info:    0x3,
 210                         Other:   0x0,
 211                         Section: 0x14,
 212                         Value:   0x6006A8,
 213                         Size:    0x0,
 214                 },
 215                 Symbol{
 216                         Name:    "",
 217                         Info:    0x3,
 218                         Other:   0x0,
 219                         Section: 0x15,
 220                         Value:   0x6006B0,
 221                         Size:    0x0,
 222                 },
 223                 Symbol{
 224                         Name:    "",
 225                         Info:    0x3,
 226                         Other:   0x0,
 227                         Section: 0x16,
 228                         Value:   0x600850,
 229                         Size:    0x0,
 230                 },
 231                 Symbol{
 232                         Name:    "",
 233                         Info:    0x3,
 234                         Other:   0x0,
 235                         Section: 0x17,
 236                         Value:   0x600858,
 237                         Size:    0x0,
 238                 },
 239                 Symbol{
 240                         Name:    "",
 241                         Info:    0x3,
 242                         Other:   0x0,
 243                         Section: 0x18,
 244                         Value:   0x600880,
 245                         Size:    0x0,
 246                 },
 247                 Symbol{
 248                         Name:    "",
 249                         Info:    0x3,
 250                         Other:   0x0,
 251                         Section: 0x19,
 252                         Value:   0x600898,
 253                         Size:    0x0,
 254                 },
 255                 Symbol{
 256                         Name:    "",
 257                         Info:    0x3,
 258                         Other:   0x0,
 259                         Section: 0x1A,
 260                         Value:   0x0,
 261                         Size:    0x0,
 262                 },
 263                 Symbol{
 264                         Name:    "",
 265                         Info:    0x3,
 266                         Other:   0x0,
 267                         Section: 0x1B,
 268                         Value:   0x0,
 269                         Size:    0x0,
 270                 },
 271                 Symbol{
 272                         Name:    "",
 273                         Info:    0x3,
 274                         Other:   0x0,
 275                         Section: 0x1C,
 276                         Value:   0x0,
 277                         Size:    0x0,
 278                 },
 279                 Symbol{
 280                         Name:    "",
 281                         Info:    0x3,
 282                         Other:   0x0,
 283                         Section: 0x1D,
 284                         Value:   0x0,
 285                         Size:    0x0,
 286                 },
 287                 Symbol{
 288                         Name:    "",
 289                         Info:    0x3,
 290                         Other:   0x0,
 291                         Section: 0x1E,
 292                         Value:   0x0,
 293                         Size:    0x0,
 294                 },
 295                 Symbol{
 296                         Name:    "",
 297                         Info:    0x3,
 298                         Other:   0x0,
 299                         Section: 0x1F,
 300                         Value:   0x0,
 301                         Size:    0x0,
 302                 },
 303                 Symbol{
 304                         Name:    "",
 305                         Info:    0x3,
 306                         Other:   0x0,
 307                         Section: 0x20,
 308                         Value:   0x0,
 309                         Size:    0x0,
 310                 },
 311                 Symbol{
 312                         Name:    "",
 313                         Info:    0x3,
 314                         Other:   0x0,
 315                         Section: 0x21,
 316                         Value:   0x0,
 317                         Size:    0x0,
 318                 },
 319                 Symbol{
 320                         Name:    "init.c",
 321                         Info:    0x4,
 322                         Other:   0x0,
 323                         Section: 0xFFF1,
 324                         Value:   0x0,
 325                         Size:    0x0,
 326                 },
 327                 Symbol{
 328                         Name:    "initfini.c",
 329                         Info:    0x4,
 330                         Other:   0x0,
 331                         Section: 0xFFF1,
 332                         Value:   0x0,
 333                         Size:    0x0,
 334                 },
 335                 Symbol{
 336                         Name:    "call_gmon_start",
 337                         Info:    0x2,
 338                         Other:   0x0,
 339                         Section: 0xD,
 340                         Value:   0x40040C,
 341                         Size:    0x0,
 342                 },
 343                 Symbol{
 344                         Name:    "crtstuff.c",
 345                         Info:    0x4,
 346                         Other:   0x0,
 347                         Section: 0xFFF1,
 348                         Value:   0x0,
 349                         Size:    0x0,
 350                 },
 351                 Symbol{
 352                         Name:    "__CTOR_LIST__",
 353                         Info:    0x1,
 354                         Other:   0x0,
 355                         Section: 0x12,
 356                         Value:   0x600688,
 357                         Size:    0x0,
 358                 },
 359                 Symbol{
 360                         Name:    "__DTOR_LIST__",
 361                         Info:    0x1,
 362                         Other:   0x0,
 363                         Section: 0x13,
 364                         Value:   0x600698,
 365                         Size:    0x0,
 366                 },
 367                 Symbol{
 368                         Name:    "__JCR_LIST__",
 369                         Info:    0x1,
 370                         Other:   0x0,
 371                         Section: 0x14,
 372                         Value:   0x6006A8,
 373                         Size:    0x0,
 374                 },
 375                 Symbol{
 376                         Name:    "__do_global_dtors_aux",
 377                         Info:    0x2,
 378                         Other:   0x0,
 379                         Section: 0xD,
 380                         Value:   0x400430,
 381                         Size:    0x0,
 382                 },
 383                 Symbol{
 384                         Name:    "completed.6183",
 385                         Info:    0x1,
 386                         Other:   0x0,
 387                         Section: 0x19,
 388                         Value:   0x600898,
 389                         Size:    0x1,
 390                 },
 391                 Symbol{
 392                         Name:    "p.6181",
 393                         Info:    0x1,
 394                         Other:   0x0,
 395                         Section: 0x18,
 396                         Value:   0x600890,
 397                         Size:    0x0,
 398                 },
 399                 Symbol{
 400                         Name:    "frame_dummy",
 401                         Info:    0x2,
 402                         Other:   0x0,
 403                         Section: 0xD,
 404                         Value:   0x400470,
 405                         Size:    0x0,
 406                 },
 407                 Symbol{
 408                         Name:    "crtstuff.c",
 409                         Info:    0x4,
 410                         Other:   0x0,
 411                         Section: 0xFFF1,
 412                         Value:   0x0,
 413                         Size:    0x0,
 414                 },
 415                 Symbol{
 416                         Name:    "__CTOR_END__",
 417                         Info:    0x1,
 418                         Other:   0x0,
 419                         Section: 0x12,
 420                         Value:   0x600690,
 421                         Size:    0x0,
 422                 },
 423                 Symbol{
 424                         Name:    "__DTOR_END__",
 425                         Info:    0x1,
 426                         Other:   0x0,
 427                         Section: 0x13,
 428                         Value:   0x6006A0,
 429                         Size:    0x0,
 430                 },
 431                 Symbol{
 432                         Name:    "__FRAME_END__",
 433                         Info:    0x1,
 434                         Other:   0x0,
 435                         Section: 0x11,
 436                         Value:   0x400680,
 437                         Size:    0x0,
 438                 },
 439                 Symbol{
 440                         Name:    "__JCR_END__",
 441                         Info:    0x1,
 442                         Other:   0x0,
 443                         Section: 0x14,
 444                         Value:   0x6006A8,
 445                         Size:    0x0,
 446                 },
 447                 Symbol{
 448                         Name:    "__do_global_ctors_aux",
 449                         Info:    0x2,
 450                         Other:   0x0,
 451                         Section: 0xD,
 452                         Value:   0x400560,
 453                         Size:    0x0,
 454                 },
 455                 Symbol{
 456                         Name:    "initfini.c",
 457                         Info:    0x4,
 458                         Other:   0x0,
 459                         Section: 0xFFF1,
 460                         Value:   0x0,
 461                         Size:    0x0,
 462                 },
 463                 Symbol{
 464                         Name:    "hello.c",
 465                         Info:    0x4,
 466                         Other:   0x0,
 467                         Section: 0xFFF1,
 468                         Value:   0x0,
 469                         Size:    0x0,
 470                 },
 471                 Symbol{
 472                         Name:    "_GLOBAL_OFFSET_TABLE_",
 473                         Info:    0x1,
 474                         Other:   0x2,
 475                         Section: 0x17,
 476                         Value:   0x600858,
 477                         Size:    0x0,
 478                 },
 479                 Symbol{
 480                         Name:    "__init_array_end",
 481                         Info:    0x0,
 482                         Other:   0x2,
 483                         Section: 0x12,
 484                         Value:   0x600684,
 485                         Size:    0x0,
 486                 },
 487                 Symbol{
 488                         Name:    "__init_array_start",
 489                         Info:    0x0,
 490                         Other:   0x2,
 491                         Section: 0x12,
 492                         Value:   0x600684,
 493                         Size:    0x0,
 494                 },
 495                 Symbol{
 496                         Name:    "_DYNAMIC",
 497                         Info:    0x1,
 498                         Other:   0x2,
 499                         Section: 0x15,
 500                         Value:   0x6006B0,
 501                         Size:    0x0,
 502                 },
 503                 Symbol{
 504                         Name:    "data_start",
 505                         Info:    0x20,
 506                         Other:   0x0,
 507                         Section: 0x18,
 508                         Value:   0x600880,
 509                         Size:    0x0,
 510                 },
 511                 Symbol{
 512                         Name:    "__libc_csu_fini",
 513                         Info:    0x12,
 514                         Other:   0x0,
 515                         Section: 0xD,
 516                         Value:   0x4004C0,
 517                         Size:    0x2,
 518                 },
 519                 Symbol{
 520                         Name:    "_start",
 521                         Info:    0x12,
 522                         Other:   0x0,
 523                         Section: 0xD,
 524                         Value:   0x4003E0,
 525                         Size:    0x0,
 526                 },
 527                 Symbol{
 528                         Name:    "__gmon_start__",
 529                         Info:    0x20,
 530                         Other:   0x0,
 531                         Section: 0x0,
 532                         Value:   0x0,
 533                         Size:    0x0,
 534                 },
 535                 Symbol{
 536                         Name:    "_Jv_RegisterClasses",
 537                         Info:    0x20,
 538                         Other:   0x0,
 539                         Section: 0x0,
 540                         Value:   0x0,
 541                         Size:    0x0,
 542                 },
 543                 Symbol{
 544                         Name:    "puts@@GLIBC_2.2.5",
 545                         Info:    0x12,
 546                         Other:   0x0,
 547                         Section: 0x0,
 548                         Value:   0x0,
 549                         Size:    0x18C,
 550                 },
 551                 Symbol{
 552                         Name:    "_fini",
 553                         Info:    0x12,
 554                         Other:   0x0,
 555                         Section: 0xE,
 556                         Value:   0x400594,
 557                         Size:    0x0,
 558                 },
 559                 Symbol{
 560                         Name:    "__libc_start_main@@GLIBC_2.2.5",
 561                         Info:    0x12,
 562                         Other:   0x0,
 563                         Section: 0x0,
 564                         Value:   0x0,
 565                         Size:    0x1C2,
 566                 },
 567                 Symbol{
 568                         Name:    "_IO_stdin_used",
 569                         Info:    0x11,
 570                         Other:   0x0,
 571                         Section: 0xF,
 572                         Value:   0x4005A4,
 573                         Size:    0x4,
 574                 },
 575                 Symbol{
 576                         Name:    "__data_start",
 577                         Info:    0x10,
 578                         Other:   0x0,
 579                         Section: 0x18,
 580                         Value:   0x600880,
 581                         Size:    0x0,
 582                 },
 583                 Symbol{
 584                         Name:    "__dso_handle",
 585                         Info:    0x11,
 586                         Other:   0x2,
 587                         Section: 0x18,
 588                         Value:   0x600888,
 589                         Size:    0x0,
 590                 },
 591                 Symbol{
 592                         Name:    "__libc_csu_init",
 593                         Info:    0x12,
 594                         Other:   0x0,
 595                         Section: 0xD,
 596                         Value:   0x4004D0,
 597                         Size:    0x89,
 598                 },
 599                 Symbol{
 600                         Name:    "__bss_start",
 601                         Info:    0x10,
 602                         Other:   0x0,
 603                         Section: 0xFFF1,
 604                         Value:   0x600898,
 605                         Size:    0x0,
 606                 },
 607                 Symbol{
 608                         Name:    "_end",
 609                         Info:    0x10,
 610                         Other:   0x0,
 611                         Section: 0xFFF1,
 612                         Value:   0x6008A0,
 613                         Size:    0x0,
 614                 },
 615                 Symbol{
 616                         Name:    "_edata",
 617                         Info:    0x10,
 618                         Other:   0x0,
 619                         Section: 0xFFF1,
 620                         Value:   0x600898,
 621                         Size:    0x0,
 622                 },
 623                 Symbol{
 624                         Name:    "main",
 625                         Info:    0x12,
 626                         Other:   0x0,
 627                         Section: 0xD,
 628                         Value:   0x400498,
 629                         Size:    0x1B,
 630                 },
 631                 Symbol{
 632                         Name:    "_init",
 633                         Info:    0x12,
 634                         Other:   0x0,
 635                         Section: 0xB,
 636                         Value:   0x400398,
 637                         Size:    0x0,
 638                 },
 639         },
 640         "testdata/go-relocation-test-clang-x86.obj": {
 641                 Symbol{
 642                         Name:    "go-relocation-test-clang.c",
 643                         Info:    0x4,
 644                         Other:   0x0,
 645                         Section: 0xFFF1,
 646                         Value:   0x0,
 647                         Size:    0x0,
 648                 },
 649                 Symbol{
 650                         Name:    ".Linfo_string0",
 651                         Info:    0x0,
 652                         Other:   0x0,
 653                         Section: 0xC,
 654                         Value:   0x0,
 655                         Size:    0x0,
 656                 },
 657                 Symbol{
 658                         Name:    ".Linfo_string1",
 659                         Info:    0x0,
 660                         Other:   0x0,
 661                         Section: 0xC,
 662                         Value:   0x2C,
 663                         Size:    0x0,
 664                 },
 665                 Symbol{
 666                         Name:    ".Linfo_string2",
 667                         Info:    0x0,
 668                         Other:   0x0,
 669                         Section: 0xC,
 670                         Value:   0x47,
 671                         Size:    0x0,
 672                 },
 673                 Symbol{
 674                         Name:    ".Linfo_string3",
 675                         Info:    0x0,
 676                         Other:   0x0,
 677                         Section: 0xC,
 678                         Value:   0x4C,
 679                         Size:    0x0,
 680                 },
 681                 Symbol{
 682                         Name:    ".Linfo_string4",
 683                         Info:    0x0,
 684                         Other:   0x0,
 685                         Section: 0xC,
 686                         Value:   0x4E,
 687                         Size:    0x0,
 688                 },
 689                 Symbol{
 690                         Name:    "",
 691                         Info:    0x3,
 692                         Other:   0x0,
 693                         Section: 0x1,
 694                         Value:   0x0,
 695                         Size:    0x0,
 696                 },
 697                 Symbol{
 698                         Name:    "",
 699                         Info:    0x3,
 700                         Other:   0x0,
 701                         Section: 0x2,
 702                         Value:   0x0,
 703                         Size:    0x0,
 704                 },
 705                 Symbol{
 706                         Name:    "",
 707                         Info:    0x3,
 708                         Other:   0x0,
 709                         Section: 0x3,
 710                         Value:   0x0,
 711                         Size:    0x0,
 712                 },
 713                 Symbol{
 714                         Name:    "",
 715                         Info:    0x3,
 716                         Other:   0x0,
 717                         Section: 0x4,
 718                         Value:   0x0,
 719                         Size:    0x0,
 720                 },
 721                 Symbol{
 722                         Name:    "",
 723                         Info:    0x3,
 724                         Other:   0x0,
 725                         Section: 0x6,
 726                         Value:   0x0,
 727                         Size:    0x0,
 728                 },
 729                 Symbol{
 730                         Name:    "",
 731                         Info:    0x3,
 732                         Other:   0x0,
 733                         Section: 0x7,
 734                         Value:   0x0,
 735                         Size:    0x0,
 736                 },
 737                 Symbol{
 738                         Name:    "",
 739                         Info:    0x3,
 740                         Other:   0x0,
 741                         Section: 0x8,
 742                         Value:   0x0,
 743                         Size:    0x0,
 744                 },
 745                 Symbol{
 746                         Name:    "",
 747                         Info:    0x3,
 748                         Other:   0x0,
 749                         Section: 0xA,
 750                         Value:   0x0,
 751                         Size:    0x0,
 752                 },
 753                 Symbol{
 754                         Name:    "",
 755                         Info:    0x3,
 756                         Other:   0x0,
 757                         Section: 0xC,
 758                         Value:   0x0,
 759                         Size:    0x0,
 760                 },
 761                 Symbol{
 762                         Name:    "",
 763                         Info:    0x3,
 764                         Other:   0x0,
 765                         Section: 0xD,
 766                         Value:   0x0,
 767                         Size:    0x0,
 768                 },
 769                 Symbol{
 770                         Name:    "",
 771                         Info:    0x3,
 772                         Other:   0x0,
 773                         Section: 0xE,
 774                         Value:   0x0,
 775                         Size:    0x0,
 776                 },
 777                 Symbol{
 778                         Name:    "",
 779                         Info:    0x3,
 780                         Other:   0x0,
 781                         Section: 0xF,
 782                         Value:   0x0,
 783                         Size:    0x0,
 784                 },
 785                 Symbol{
 786                         Name:    "",
 787                         Info:    0x3,
 788                         Other:   0x0,
 789                         Section: 0x10,
 790                         Value:   0x0,
 791                         Size:    0x0,
 792                 },
 793                 Symbol{
 794                         Name:    "v",
 795                         Info:    0x11,
 796                         Other:   0x0,
 797                         Section: 0xFFF2,
 798                         Value:   0x4,
 799                         Size:    0x4,
 800                 },
 801         },
 802         "testdata/hello-world-core.gz": {},
 803 }
 804
 805 var dynamicSymbolsGolden = map[string][]Symbol{
 806         "testdata/gcc-amd64-linux-exec": {
 807                 Symbol{
 808                         Name:    "__gmon_start__",
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 812                         Value:   0x0,
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 814                 },
 815                 Symbol{
 816                         Name:    "puts",
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 820                         Value:   0x0,
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 822                 },
 823                 Symbol{
 824                         Name:    "__libc_start_main",
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 829                         Size:    0x1C2,
 830                 },
 831         },
 832         "testdata/go-relocation-test-clang-x86.obj": {},
 833         "testdata/hello-world-core.gz":              {},
 834 }