libcxxabi/www/spec.html

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   4 <head>
   5         <title>libc++abi spec</title>
   6 </head>
   7 <body>
   8
   9 <table border=1>
  10 <tr>
  11 <th rowspan=2>libc++abi Specification</th>
  12 <th colspan=3>Completed ?</th>
  13 </tr>
  14
  15 <tr>
  16 <th>darwin</th><th>linux</th><th>arm</th>
  17 </tr>
  18
  19 <tr>
  20 <td  colspan=4 align="center">Memory management</td>
  21 </tr>
  22
  23 <tr>
  24 <td>
  25 <p>
  26 <code>void* __cxa_allocate_exception(size_t thrown_size) throw();</code>
  27 </p>
  28 <blockquote>
  29 <p>
  30 <i>Effects:</i> Allocates memory to hold the exception to be thrown.
  31 <tt>thrown_size</tt> is the size of the exception object. Can allocate
  32 additional memory to hold private data. If memory can not be allocated, call
  33 <tt>std::terminate()</tt>.
  34 </p>
  35 <p>
  36 <i>Returns:</i> A pointer to the memory allocated for the exception object.
  37 </p>
  38 </blockquote>
  39 </td>
  40 <td>&#10003;</td>
  41 <td>&#10003;</td>
  42 <td>&#10003;</td>
  43 </tr>
  44
  45 <tr>
  46 <td>
  47 <p>
  48 <code>void __cxa_free_exception(void * thrown_exception) throw();</code>
  49 </p>
  50 <blockquote>
  51 <p>
  52 <i>Effects:</i> Frees memory allocated by <tt>__cxa_allocate_exception</tt>.
  53 </p>
  54 </blockquote>
  55 </td>
  56 <td>&#10003;</td>
  57 <td>&#10003;</td>
  58 <td>&#10003;</td>
  59 </tr>
  60
  61 <tr>
  62 <td>
  63 <p>
  64 <code>void* __cxa_allocate_dependent_exception() throw();</code>
  65 </p>
  66 <blockquote>
  67 <p>
  68 <i>Effects:</i> Allocates memory to hold a "dependent" exception to be thrown.
  69 <tt>thrown_size</tt> is the size of the exception object. Can allocate
  70 additional memory to hold private data. If memory can not be allocated, call
  71 <tt>std::terminate()</tt>.
  72 </p>
  73 <p>
  74 <i>Returns:</i> A pointer to the memory allocated for the exception object.
  75 </p>
  76 </blockquote>
  77 </td>
  78 <td>&#10003;</td>
  79 <td>&#10003;</td>
  80 <td>&#10003;</td>
  81 </tr>
  82
  83 <tr>
  84 <td>
  85 <p>
  86 <code>void __cxa_free_dependent_exception (void* dependent_exception) throw();</code>
  87 </p>
  88 <blockquote>
  89 <p>
  90 <i>Effects:</i> Frees memory allocated by <tt>__cxa_allocate_dependent_exception</tt>.
  91 </p>
  92 </blockquote>
  93 </td>
  94 <td>&#10003;</td>
  95 <td>&#10003;</td>
  96 <td>&#10003;</td>
  97 </tr>
  98
  99 <tr>
 100 <td  colspan=4 align="center">Exception Handling</td>
 101 </tr>
 102
 103 <tr>
 104 <td>
 105 <p>
 106 <code>void __cxa_throw(void* thrown_exception, struct std::type_info * tinfo,
 107                         void (*dest)(void*));</code>
 108 </p>
 109 <blockquote>
 110 <p>
 111 <i>Effects:</i>
 112 </p>
 113 </blockquote>
 114 </td>
 115 <td>&#10003;</td>
 116 <td>&#10003;</td>
 117 <td>&#10003;</td>
 118 </tr>
 119
 120 <tr>
 121 <td>
 122 <p>
 123 <code>void* __cxa_get_exception_ptr(void* exceptionObject) throw();</code>
 124 </p>
 125 <blockquote>
 126 <p>
 127 <i>Returns:</i> The adjusted pointer to the exception object. (The adjusted
 128 pointer is typically computed by the personality routine during phase 1 and
 129 saved in the exception object.)
 130 </p>
 131 </blockquote>
 132 </td>
 133 <td>&#10003;</td>
 134 <td>&#10003;</td>
 135 <td>&#10003;</td>
 136 </tr>
 137
 138 <tr>
 139 <td>
 140 <p>
 141 <code>void* __cxa_begin_catch(void* exceptionObject) throw();</code>
 142 </p>
 143 <blockquote>
 144 <p>
 145 <i>Effects:</i>
 146 </p>
 147 <ul>
 148 <li>Increment's the exception's handler count.</li>
 149 <li>Places the exception on the stack of currently-caught exceptions if it is
 150 not already there, linking the exception to the previous top of the stack.</li>
 151 <li>Decrements the uncaught_exception count.</li>
 152 </ul>
 153 <p>
 154 If the initialization of the catch parameter is trivial (e,g., there is no
 155 formal catch parameter, or the parameter has no copy constructor), the calls to
 156 <tt>__cxa_get_exception_ptr()</tt> and <tt>__cxa_begin_catch()</tt> may be
 157 combined into a single call to <tt>__cxa_begin_catch()</tt>.
 158 </p>
 159 <p>
 160 When the personality routine encounters a termination condition, it will call
 161 <tt>__cxa_begin_catch()</tt> to mark the exception as handled and then call
 162 <tt>terminate()</tt>, which shall not return to its caller.
 163 </p>
 164 <p>
 165 <i>Returns:</i> The adjusted pointer to the exception object.
 166 </p>
 167 </blockquote>
 168 </td>
 169 <td>&#10003;</td>
 170 <td>&#10003;</td>
 171 <td>&#10003;</td>
 172 </tr>
 173
 174 <tr>
 175 <td>
 176 <p>
 177 <code>void __cxa_end_catch();</code>
 178 </p>
 179 <blockquote>
 180 <p>
 181 <i>Effects:</i> Locates the most recently caught exception and decrements its
 182 handler count. Removes the exception from the caughtÓexception stack, if the
 183 handler count goes to zero. Destroys the exception if the handler count goes to
 184 zero, and the exception was not re-thrown by throw. Collaboration between
 185 __cxa_rethrow() and __cxa_end_catch() is necessary to handle the last point.
 186 Though implementation-defined, one possibility is for __cxa_rethrow() to set a
 187 flag in the handlerCount member of the exception header to mark an exception
 188 being rethrown.
 189 </p>
 190 </blockquote>
 191 </td>
 192 <td>&#10003;</td>
 193 <td>&#10003;</td>
 194 <td>&#10003;</td>
 195 </tr>
 196
 197 <tr>
 198 <td>
 199 <p>
 200 <code>std::type_info* __cxa_current_exception_type();</code>
 201 </p>
 202 <blockquote>
 203 <p>
 204 <i>Returns:</i> the type of the currently handled exception, or null if there
 205 are no caught exceptions.
 206 </p>
 207 </blockquote>
 208 </td>
 209 <td>&#10003;</td>
 210 <td>&#10003;</td>
 211 <td>&#10003;</td>
 212 </tr>
 213
 214 <tr>
 215 <td>
 216 <p>
 217 <code>void __cxa_rethrow();</code>
 218 </p>
 219 <blockquote>
 220 <p>
 221 <i>Effects:</i> Marks the exception object on top of the caughtExceptions stack
 222 (in an implementation-defined way) as being rethrown. If the caughtExceptions
 223 stack is empty, it calls terminate() (see [C++FDIS] [except.throw], 15.1.8). It
 224 then returns to the handler that called it, which must call __cxa_end_catch(),
 225 perform any necessary cleanup, and finally call _Unwind_Resume() to continue
 226 unwinding.
 227 </p>
 228 </blockquote>
 229 </td>
 230 <td>&#10003;</td>
 231 <td>&#10003;</td>
 232 <td>&#10003;</td>
 233 </tr>
 234
 235 <tr>
 236 <td>
 237 <p>
 238 <code>void* __cxa_current_primary_exception() throw();</code>
 239 </p>
 240 <blockquote>
 241 <p>
 242 <i>Effects:</i> Increments the ownership count of the currently handled
 243 exception (if any) by one.
 244 </p>
 245 <p>
 246 <i>Returns:</i> the type of the currently handled exception, or null if there
 247 are no caught exceptions.
 248 </p>
 249 </blockquote>
 250 </td>
 251 <td>&#10003;</td>
 252 <td>&#10003;</td>
 253 <td>&#10003;</td>
 254 </tr>
 255
 256 <tr>
 257 <td>
 258 <p>
 259 <code>void __cxa_decrement_exception_refcount(void* primary_exception) throw();</code>
 260 </p>
 261 <blockquote>
 262 <p>
 263 <i>Effects:</i> Decrements the ownership count of the exception by 1, and on
 264 zero calls <tt>_Unwind_DeleteException</tt> with the exception object.
 265 </p>
 266 </blockquote>
 267 </td>
 268 <td>&#10003;</td>
 269 <td>&#10003;</td>
 270 <td>&#10003;</td>
 271 </tr>
 272
 273 <tr>
 274 <td>
 275 <p>
 276 <code>__cxa_eh_globals* __cxa_get_globals() throw();</code>
 277 </p>
 278 <blockquote>
 279 <p>
 280 <i>Returns:</i> A pointer to the __cxa_eh_globals structure for the current
 281 thread, initializing it if necessary.
 282 </p>
 283 </blockquote>
 284 </td>
 285 <td>&#10003;</td>
 286 <td>&#10003;</td>
 287 <td>&#10003;</td>
 288 </tr>
 289
 290 <tr>
 291 <td>
 292 <p>
 293 <code>__cxa_eh_globals* __cxa_get_globals_fast() throw();</code>
 294 </p>
 295 <blockquote>
 296 <p>
 297 <i>Requires:</i> At least one prior call to __cxa_get_globals has been made from
 298 the current thread.
 299 </p>
 300 <p>
 301 <i>Returns:</i> A pointer to the __cxa_eh_globals structure for the current
 302 thread.
 303 </p>
 304 </blockquote>
 305 </td>
 306 <td>&#10003;</td>
 307 <td>&#10003;</td>
 308 <td>&#10003;</td>
 309 </tr>
 310
 311 <tr>
 312 <td>
 313 <p>
 314 <code>void __cxa_increment_exception_refcount(void* primary_exception) throw();</code>
 315 </p>
 316 <blockquote>
 317 <p>
 318 <i>Effects:</i> Increments the ownership count of the referenced exception.
 319 </p>
 320 </blockquote>
 321 </td>
 322 <td>&#10003;</td>
 323 <td>&#10003;</td>
 324 <td>&#10003;</td>
 325 </tr>
 326
 327 <tr>
 328 <td>
 329 <p>
 330 <code>void __cxa_rethrow_primary_exception(void* primary_exception);</code>
 331 </p>
 332 <blockquote>
 333 <p>
 334 <i>Effects:</i> Implements <tt>std::rethrow_exception(exception_ptr p)</tt>.
 335 </p>
 336 </blockquote>
 337 </td>
 338 <td>&#10003;</td>
 339 <td>&#10003;</td>
 340 <td>&#10003;</td>
 341 </tr>
 342
 343 <tr>
 344 <td>
 345 <p>
 346 <code>bool __cxa_uncaught_exception() throw();</code>
 347 </p>
 348 <blockquote>
 349 <p>
 350 <i>Effects:</i>
 351 </p>
 352 <p>
 353 <i>Returns:</i>
 354 </p>
 355 </blockquote>
 356 </td>
 357 <td>&#10003;</td>
 358 <td>&#10003;</td>
 359 <td>&#10003;</td>
 360 </tr>
 361
 362 <tr>
 363 <td>
 364 <p>
 365 <code>_Unwind_Reason_Code __gxx_personality_v0
 366      (int, _Unwind_Action, _Unwind_Exception_Class,
 367       struct _Unwind_Exception *, struct _Unwind_Context *);</code>
 368 </p>
 369 <blockquote>
 370 <p>
 371 <i>Effects:</i>
 372 </p>
 373 <p>
 374 <i>Returns:</i>
 375 </p>
 376 </blockquote>
 377 </td>
 378 <td>&#10003;</td>
 379 <td>&#10003;</td>
 380 <td>&#10003;</td>
 381 </tr>
 382
 383 <tr>
 384 <td colspan=4 align="center">Guard objects</td>
 385 </tr>
 386
 387 <tr>
 388 <td>
 389 <p>
 390 <code>int  __cxa_guard_acquire(uint64_t* guard_object);</code>
 391 </p>
 392 <blockquote>
 393 <p>
 394 <i>Effects:</i> This function is called before initialization takes place. If
 395 this function returns 1, either <code>__cxa_guard_release</code> or
 396 <code>__cxa_guard_abort</code> must be called with the same argument. The first
 397 byte of the <code>guard_object</code> is not modified by this function.
 398 </p>
 399 <p>
 400 On Darwin the implementation checks for deadlock.
 401 </p>
 402 <p>
 403 <i>Returns:</i> 1 if the initialization is not yet complete, otherwise 0.
 404 </p>
 405 </blockquote>
 406 </td>
 407 <td>&#10003;</td>
 408 <td>&#10003;</td>
 409 <td>&#10003;</td>
 410 </tr>
 411
 412 <tr>
 413 <td>
 414 <p>
 415 <code>void __cxa_guard_release(uint64_t*);</code>
 416 </p>
 417 <blockquote>
 418 <p>
 419 <i>Effects:</i> Sets the first byte of the guard object to a non-zero value.
 420 This function is called after initialization is complete. A thread-safe
 421 implementation will release the mutex acquired by __cxa_guard_acquire after
 422 setting the first byte of the guard object.
 423 </p>
 424 </blockquote>
 425 </td>
 426 <td>&#10003;</td>
 427 <td>&#10003;</td>
 428 <td>&#10003;</td>
 429 </tr>
 430
 431 <tr>
 432 <td>
 433 <p>
 434 <code>void __cxa_guard_abort(uint64_t*);</code>
 435 </p>
 436 <blockquote>
 437 <p>
 438 <i>Effects:</i> This function is called if the initialization terminates by
 439 throwing an exception.
 440 </p>
 441 </blockquote>
 442 </td>
 443 <td>&#10003;</td>
 444 <td>&#10003;</td>
 445 <td>&#10003;</td>
 446 </tr>
 447
 448 <tr>
 449 <td colspan=4 align="center">Vector construction and destruction</td>
 450 </tr>
 451
 452 <tr>
 453 <td>
 454 <p>
 455 <code>void* __cxa_vec_new(size_t element_count,
 456                                                    size_t element_size,
 457                            size_t padding_size,
 458                                                    void (*constructor)(void*),
 459                                                    void (*destructor)(void*) );</code>
 460 </p>
 461 <blockquote>
 462 <p>
 463 <i>Effects:</i>
 464 </p>
 465 <p>
 466 <i>Returns:</i>
 467 </p>
 468 </blockquote>
 469 </td>
 470 <td>&#10003;</td>
 471 <td>&#10003;</td>
 472 <td>&#10003;</td>
 473 </tr>
 474
 475 <tr>
 476 <td>
 477 <p>
 478 <code>void* __cxa_vec_new2(size_t element_count,
 479                                                     size_t element_size,
 480                             size_t padding_size,
 481                                                     void  (*constructor)(void*),
 482                                                     void  (*destructor)(void*),
 483                             void* (*alloc)(size_t),
 484                             void  (*dealloc)(void*) );</code>
 485 </p>
 486 <blockquote>
 487 <p>
 488 <i>Effects:</i>
 489 </p>
 490 <p>
 491 <i>Returns:</i>
 492 </p>
 493 </blockquote>
 494 </td>
 495 <td>&#10003;</td>
 496 <td>&#10003;</td>
 497 <td>&#10003;</td>
 498 </tr>
 499
 500 <tr>
 501 <td>
 502 <p>
 503 <code>void* __cxa_vec_new3(size_t element_count,
 504                                                     size_t element_size,
 505                             size_t padding_size,
 506                                                     void  (*constructor)(void*),
 507                                                     void  (*destructor)(void*),
 508                             void* (*alloc)(size_t),
 509                             void  (*dealloc)(void*, size_t) );</code>
 510 </p>
 511 <blockquote>
 512 <p>
 513 <i>Effects:</i>
 514 </p>
 515 <p>
 516 <i>Returns:</i>
 517 </p>
 518 </blockquote>
 519 </td>
 520 <td>&#10003;</td>
 521 <td>&#10003;</td>
 522 <td>&#10003;</td>
 523 </tr>
 524
 525 <tr>
 526 <td>
 527 <p>
 528 <code>void __cxa_vec_ctor(void*  array_address,
 529                            size_t element_count,
 530                            size_t element_size,
 531                                                    void (*constructor)(void*),
 532                                                    void (*destructor)(void*) );</code>
 533 </p>
 534 <blockquote>
 535 <p>
 536 <i>Effects:</i>
 537 </p>
 538 </blockquote>
 539 </td>
 540 <td>&#10003;</td>
 541 <td>&#10003;</td>
 542 <td>&#10003;</td>
 543 </tr>
 544
 545 <tr>
 546 <td>
 547 <p>
 548 <code>void __cxa_vec_dtor(void*  array_address,
 549                            size_t element_count,
 550                                                    size_t element_size,
 551                                                    void (*destructor)(void*) );</code>
 552 </p>
 553 <blockquote>
 554 <p>
 555 <i>Effects:</i>
 556 </p>
 557 </blockquote>
 558 </td>
 559 <td>&#10003;</td>
 560 <td>&#10003;</td>
 561 <td>&#10003;</td>
 562 </tr>
 563
 564 <tr>
 565 <td>
 566 <p>
 567 <code>void __cxa_vec_cleanup(void* array_address,
 568                              size_t element_count,
 569                              size_t element_size,
 570                                                      void (*destructor)(void*) );</code>
 571 </p>
 572 <blockquote>
 573 <p>
 574 <i>Effects:</i>
 575 </p>
 576 </blockquote>
 577 </td>
 578 <td>&#10003;</td>
 579 <td>&#10003;</td>
 580 <td>&#10003;</td>
 581 </tr>
 582
 583 <tr>
 584 <td>
 585 <p>
 586 <code>void __cxa_vec_delete(void*  array_address,
 587                              size_t element_size,
 588                              size_t padding_size,
 589                                                      void  (*destructor)(void*) );</code>
 590 </p>
 591 <blockquote>
 592 <p>
 593 <i>Effects:</i>
 594 </p>
 595 </blockquote>
 596 </td>
 597 <td>&#10003;</td>
 598 <td>&#10003;</td>
 599 <td>&#10003;</td>
 600 </tr>
 601
 602 <tr>
 603 <td>
 604 <p>
 605 <code>void __cxa_vec_delete2(void* array_address,
 606                              size_t element_size,
 607                              size_t padding_size,
 608                                                      void  (*destructor)(void*),
 609                              void  (*dealloc)(void*) );</code>
 610 </p>
 611 <blockquote>
 612 <p>
 613 <i>Effects:</i>
 614 </p>
 615 </blockquote>
 616 </td>
 617 <td>&#10003;</td>
 618 <td>&#10003;</td>
 619 <td>&#10003;</td>
 620 </tr>
 621
 622 <tr>
 623 <td>
 624 <p>
 625 <code>void __cxa_vec_delete3(void* __array_address,
 626                              size_t element_size,
 627                              size_t padding_size,
 628                                                      void  (*destructor)(void*),
 629                                                          void  (*dealloc) (void*, size_t));</code>
 630 </p>
 631 <blockquote>
 632 <p>
 633 <i>Effects:</i>
 634 </p>
 635 </blockquote>
 636 </td>
 637 <td>&#10003;</td>
 638 <td>&#10003;</td>
 639 <td>&#10003;</td>
 640 </tr>
 641
 642 <tr>
 643 <td>
 644 <p>
 645 <code>void __cxa_vec_cctor(void*  dest_array,
 646                                                         void*  src_array,
 647                                                         size_t element_count,
 648                                                         size_t element_size,
 649                                                         void  (*constructor) (void*, void*),
 650                                                         void  (*destructor)(void*) );</code>
 651 </p>
 652 <blockquote>
 653 <p>
 654 <i>Effects:</i>
 655 </p>
 656 </blockquote>
 657 </td>
 658 <td>&#10003;</td>
 659 <td>&#10003;</td>
 660 <td>&#10003;</td>
 661 </tr>
 662
 663 <tr>
 664 <td colspan=4 align="center">Handlers</td>
 665 </tr>
 666
 667 <tr>
 668 <td>
 669 <p>
 670 <code>void (*__cxa_new_handler)();</code>
 671 </p>
 672 <blockquote>
 673 <p>
 674 The currently installed new handler.
 675 </p>
 676 </blockquote>
 677 </td>
 678 <td>&#10003;</td>
 679 <td>&#10003;</td>
 680 <td>&#10003;</td>
 681 </tr>
 682
 683 <tr>
 684 <td>
 685 <p>
 686 <code>void (*__cxa_terminate_handler)();</code>
 687 </p>
 688 <blockquote>
 689 <p>
 690 The currently installed terminate handler.
 691 </p>
 692 </blockquote>
 693 </td>
 694 <td>&#10003;</td>
 695 <td>&#10003;</td>
 696 <td>&#10003;</td>
 697 </tr>
 698
 699 <tr>
 700 <td>
 701 <p>
 702 <code>void (*__cxa_unexpected_handler)();</code>
 703 </p>
 704 <blockquote>
 705 <p>
 706 <i>Effects:</i>
 707 </p>
 708 </blockquote>
 709 </td>
 710 <td>&#10003;</td>
 711 <td>&#10003;</td>
 712 <td>&#10003;</td>
 713 </tr>
 714
 715
 716
 717 <tr>
 718 <td colspan=4 align="center">Utilities</td>
 719 </tr>
 720
 721 <tr>
 722 <td>
 723 <p>
 724 <code>[[noreturn]] void __cxa_bad_cast()</code>
 725 </p>
 726 <blockquote>
 727 <p>
 728 <i>Effects:</i>  Throws an exception of type <tt>bad_cast</tt>.
 729 </p>
 730 </blockquote>
 731 </td>
 732 <td>&#10003;</td>
 733 <td>&#10003;</td>
 734 <td>&#10003;</td>
 735 </tr>
 736
 737 <tr>
 738 <td>
 739 <p>
 740 <code>[[noreturn]] void __cxa_bad_typeid();</code>
 741 </p>
 742 <blockquote>
 743 <p>
 744 <i>Effects:</i>  Throws an exception of type <tt>bad_typeid</tt>.
 745 </p>
 746 </blockquote>
 747 </td>
 748 <td>&#10003;</td>
 749 <td>&#10003;</td>
 750 <td>&#10003;</td>
 751 </tr>
 752
 753 <tr>
 754 <td>
 755 <p>
 756 <code>void __cxa_pure_virtual(void);</code>
 757 </p>
 758 <blockquote>
 759 <p>
 760 <i>Effects:</i> Called if the user calls a non-overridden pure virtual function,
 761 which has undefined behavior according to the C++ Standard. Ends the program.
 762 </p>
 763 </blockquote>
 764 </td>
 765 <td>&#10003;</td>
 766 <td>&#10003;</td>
 767 <td>&#10003;</td>
 768 </tr>
 769
 770 <tr>
 771 <td>
 772 <p>
 773 <code>void __cxa_call_unexpected (void*) __attribute__((noreturn));</code>
 774 </p>
 775 <blockquote>
 776 <p>
 777 <i>Effects:</i> Handles re-checking the exception specification if
 778 unexpectedHandler throws, and if <tt>bad_exception</tt> needs to be thrown.
 779 Called from the compiler.
 780 </p>
 781 </blockquote>
 782 </td>
 783 <td>&#10003;</td>
 784 <td>&#10003;</td>
 785 <td>&#10003;</td>
 786 </tr>
 787
 788 <tr>
 789 <td>
 790 <p>
 791 <code>char* __cxa_demangle(const char* mangled_name,
 792                                                         char*       output_buffer,
 793                                                         size_t*     length,
 794                                                         int*        status);</code>
 795 </p>
 796 <blockquote>
 797 <p>
 798 <i>Effects:</i>
 799 </p>
 800 <p>
 801 <i>Returns:</i>
 802 </p>
 803 </blockquote>
 804 </td>
 805 <td>&#10003;</td>
 806 <td>&#10003;</td>
 807 <td>&#10003;</td>
 808 </tr>
 809
 810 <tr>
 811 <td>
 812 <p>
 813 <code>void*
 814   __dynamic_cast(const void* __src_ptr,
 815                  const __class_type_info* __src_type,
 816                  const __class_type_info* __dst_type,
 817                  ptrdiff_t __src2dst);</code>
 818 </p>
 819 <blockquote>
 820 <p>
 821 <i>Effects:</i>
 822 </p>
 823 <p>
 824 <i>Returns:</i>
 825 </p>
 826 </blockquote>
 827 </td>
 828 <td>&#10003;</td>
 829 <td>&#10003;</td>
 830 <td>&#10003;</td>
 831 </tr>
 832
 833 </table>
 834
 835 <!--
 836 000000000000d570 (__DATA,__const) external typeinfo for char32_t
 837 000000000000cfd0 (__DATA,__const) external typeinfo for std::nullptr_t
 838 000000000000d520 (__DATA,__const) external typeinfo for char16_t
 839 000000000000d580 (__DATA,__const) external typeinfo for char32_t*
 840 000000000000cfe0 (__DATA,__const) external typeinfo for std::nullptr_t*
 841 000000000000d530 (__DATA,__const) external typeinfo for char16_t*
 842 000000000000d5a0 (__DATA,__const) external typeinfo for char32_t const*
 843 000000000000d000 (__DATA,__const) external typeinfo for std::nullptr_t const*
 844 000000000000d550 (__DATA,__const) external typeinfo for char16_t const*
 845 000000000000d190 (__DATA,__const) external typeinfo for signed char const*
 846 000000000000d050 (__DATA,__const) external typeinfo for bool const*
 847 000000000000d0f0 (__DATA,__const) external typeinfo for char const*
 848 000000000000d4b0 (__DATA,__const) external typeinfo for double const*
 849 000000000000d500 (__DATA,__const) external typeinfo for long double const*
 850 000000000000d460 (__DATA,__const) external typeinfo for float const*
 851 000000000000d140 (__DATA,__const) external typeinfo for unsigned char const*
 852 000000000000d280 (__DATA,__const) external typeinfo for int const*
 853 000000000000d2d0 (__DATA,__const) external typeinfo for unsigned int const*
 854 000000000000d320 (__DATA,__const) external typeinfo for long const*
 855 000000000000d370 (__DATA,__const) external typeinfo for unsigned long const*
 856 000000000000d1e0 (__DATA,__const) external typeinfo for short const*
 857 000000000000d230 (__DATA,__const) external typeinfo for unsigned short const*
 858 000000000000cfb0 (__DATA,__const) external typeinfo for void const*
 859 000000000000d0a0 (__DATA,__const) external typeinfo for wchar_t const*
 860 000000000000d3c0 (__DATA,__const) external typeinfo for long long const*
 861 000000000000d410 (__DATA,__const) external typeinfo for unsigned long long const*
 862 000000000000d170 (__DATA,__const) external typeinfo for signed char*
 863 000000000000d030 (__DATA,__const) external typeinfo for bool*
 864 000000000000d0d0 (__DATA,__const) external typeinfo for char*
 865 000000000000d490 (__DATA,__const) external typeinfo for double*
 866 000000000000d4e0 (__DATA,__const) external typeinfo for long double*
 867 000000000000d440 (__DATA,__const) external typeinfo for float*
 868 000000000000d120 (__DATA,__const) external typeinfo for unsigned char*
 869 000000000000d260 (__DATA,__const) external typeinfo for int*
 870 000000000000d2b0 (__DATA,__const) external typeinfo for unsigned int*
 871 000000000000d300 (__DATA,__const) external typeinfo for long*
 872 000000000000d350 (__DATA,__const) external typeinfo for unsigned long*
 873 000000000000d1c0 (__DATA,__const) external typeinfo for short*
 874 000000000000d210 (__DATA,__const) external typeinfo for unsigned short*
 875 000000000000cf90 (__DATA,__const) external typeinfo for void*
 876 000000000000d080 (__DATA,__const) external typeinfo for wchar_t*
 877 000000000000d3a0 (__DATA,__const) external typeinfo for long long*
 878 000000000000d3f0 (__DATA,__const) external typeinfo for unsigned long long*
 879 000000000000d160 (__DATA,__const) external typeinfo for signed char
 880 000000000000d020 (__DATA,__const) external typeinfo for bool
 881 000000000000d0c0 (__DATA,__const) external typeinfo for char
 882 000000000000d480 (__DATA,__const) external typeinfo for double
 883 000000000000d4d0 (__DATA,__const) external typeinfo for long double
 884 000000000000d430 (__DATA,__const) external typeinfo for float
 885 000000000000d110 (__DATA,__const) external typeinfo for unsigned char
 886 000000000000d250 (__DATA,__const) external typeinfo for int
 887 000000000000d2a0 (__DATA,__const) external typeinfo for unsigned int
 888 000000000000d2f0 (__DATA,__const) external typeinfo for long
 889 000000000000d340 (__DATA,__const) external typeinfo for unsigned long
 890 000000000000d1b0 (__DATA,__const) external typeinfo for short
 891 000000000000d200 (__DATA,__const) external typeinfo for unsigned short
 892 000000000000cf78 (__DATA,__const) external typeinfo for void
 893 000000000000d070 (__DATA,__const) external typeinfo for wchar_t
 894 000000000000d390 (__DATA,__const) external typeinfo for long long
 895 000000000000d3e0 (__DATA,__const) external typeinfo for unsigned long long
 896 00000000000093f9 (__TEXT,__cstring) external typeinfo name for char32_t
 897 0000000000009351 (__TEXT,__cstring) external typeinfo name for std::nullptr_t
 898 00000000000093ed (__TEXT,__cstring) external typeinfo name for char16_t
 899 0000000000009470 (__TEXT,__cstring) external typeinfo name for __cxxabiv1::__enum_type_info
 900 0000000000009410 (__TEXT,__cstring) external typeinfo name for __cxxabiv1::__array_type_info
 901 0000000000009290 (__TEXT,__cstring) external typeinfo name for __cxxabiv1::__class_type_info
 902 00000000000094a0 (__TEXT,__cstring) external typeinfo name for __cxxabiv1::__pbase_type_info
 903 00000000000094d0 (__TEXT,__cstring) external typeinfo name for __cxxabiv1::__pointer_type_info
 904 0000000000009440 (__TEXT,__cstring) external typeinfo name for __cxxabiv1::__function_type_info
 905 00000000000092c0 (__TEXT,__cstring) external typeinfo name for __cxxabiv1::__si_class_type_info
 906 00000000000092f0 (__TEXT,__cstring) external typeinfo name for __cxxabiv1::__vmi_class_type_info
 907 0000000000009320 (__TEXT,__cstring) external typeinfo name for __cxxabiv1::__fundamental_type_info
 908 0000000000009500 (__TEXT,__cstring) external typeinfo name for __cxxabiv1::__pointer_to_member_type_info
 909 00000000000093fc (__TEXT,__cstring) external typeinfo name for char32_t*
 910 0000000000009354 (__TEXT,__cstring) external typeinfo name for std::nullptr_t*
 911 00000000000093f0 (__TEXT,__cstring) external typeinfo name for char16_t*
 912 0000000000009400 (__TEXT,__cstring) external typeinfo name for char32_t const*
 913 0000000000009358 (__TEXT,__cstring) external typeinfo name for std::nullptr_t const*
 914 00000000000093f4 (__TEXT,__cstring) external typeinfo name for char16_t const*
 915 0000000000009386 (__TEXT,__cstring) external typeinfo name for signed char const*
 916 0000000000009362 (__TEXT,__cstring) external typeinfo name for bool const*
 917 0000000000009374 (__TEXT,__cstring) external typeinfo name for char const*
 918 00000000000093e0 (__TEXT,__cstring) external typeinfo name for double const*
 919 00000000000093e9 (__TEXT,__cstring) external typeinfo name for long double const*
 920 00000000000093d7 (__TEXT,__cstring) external typeinfo name for float const*
 921 000000000000937d (__TEXT,__cstring) external typeinfo name for unsigned char const*
 922 00000000000093a1 (__TEXT,__cstring) external typeinfo name for int const*
 923 00000000000093aa (__TEXT,__cstring) external typeinfo name for unsigned int const*
 924 00000000000093b3 (__TEXT,__cstring) external typeinfo name for long const*
 925 00000000000093bc (__TEXT,__cstring) external typeinfo name for unsigned long const*
 926 000000000000938f (__TEXT,__cstring) external typeinfo name for short const*
 927 0000000000009398 (__TEXT,__cstring) external typeinfo name for unsigned short const*
 928 000000000000934d (__TEXT,__cstring) external typeinfo name for void const*
 929 000000000000936b (__TEXT,__cstring) external typeinfo name for wchar_t const*
 930 00000000000093c5 (__TEXT,__cstring) external typeinfo name for long long const*
 931 00000000000093ce (__TEXT,__cstring) external typeinfo name for unsigned long long const*
 932 0000000000009383 (__TEXT,__cstring) external typeinfo name for signed char*
 933 000000000000935f (__TEXT,__cstring) external typeinfo name for bool*
 934 0000000000009371 (__TEXT,__cstring) external typeinfo name for char*
 935 00000000000093dd (__TEXT,__cstring) external typeinfo name for double*
 936 00000000000093e6 (__TEXT,__cstring) external typeinfo name for long double*
 937 00000000000093d4 (__TEXT,__cstring) external typeinfo name for float*
 938 000000000000937a (__TEXT,__cstring) external typeinfo name for unsigned char*
 939 000000000000939e (__TEXT,__cstring) external typeinfo name for int*
 940 00000000000093a7 (__TEXT,__cstring) external typeinfo name for unsigned int*
 941 00000000000093b0 (__TEXT,__cstring) external typeinfo name for long*
 942 00000000000093b9 (__TEXT,__cstring) external typeinfo name for unsigned long*
 943 000000000000938c (__TEXT,__cstring) external typeinfo name for short*
 944 0000000000009395 (__TEXT,__cstring) external typeinfo name for unsigned short*
 945 000000000000934a (__TEXT,__cstring) external typeinfo name for void*
 946 0000000000009368 (__TEXT,__cstring) external typeinfo name for wchar_t*
 947 00000000000093c2 (__TEXT,__cstring) external typeinfo name for long long*
 948 00000000000093cb (__TEXT,__cstring) external typeinfo name for unsigned long long*
 949 0000000000009381 (__TEXT,__cstring) external typeinfo name for signed char
 950 000000000000935d (__TEXT,__cstring) external typeinfo name for bool
 951 000000000000936f (__TEXT,__cstring) external typeinfo name for char
 952 00000000000093db (__TEXT,__cstring) external typeinfo name for double
 953 00000000000093e4 (__TEXT,__cstring) external typeinfo name for long double
 954 00000000000093d2 (__TEXT,__cstring) external typeinfo name for float
 955 0000000000009378 (__TEXT,__cstring) external typeinfo name for unsigned char
 956 000000000000939c (__TEXT,__cstring) external typeinfo name for int
 957 00000000000093a5 (__TEXT,__cstring) external typeinfo name for unsigned int
 958 00000000000093ae (__TEXT,__cstring) external typeinfo name for long
 959 00000000000093b7 (__TEXT,__cstring) external typeinfo name for unsigned long
 960 000000000000938a (__TEXT,__cstring) external typeinfo name for short
 961 0000000000009393 (__TEXT,__cstring) external typeinfo name for unsigned short
 962 0000000000009348 (__TEXT,__cstring) external typeinfo name for void
 963 0000000000009366 (__TEXT,__cstring) external typeinfo name for wchar_t
 964 00000000000093c0 (__TEXT,__cstring) external typeinfo name for long long
 965 00000000000093c9 (__TEXT,__cstring) external typeinfo name for unsigned long long
 966 000000000000ce30 (__DATA,__const) external vtable for __cxxabiv1::__enum_type_info
 967 000000000000cdb0 (__DATA,__const) external vtable for __cxxabiv1::__array_type_info
 968 000000000000cbe0 (__DATA,__const) external vtable for __cxxabiv1::__class_type_info
 969 000000000000ce70 (__DATA,__const) external vtable for __cxxabiv1::__pbase_type_info
 970 000000000000cec0 (__DATA,__const) external vtable for __cxxabiv1::__pointer_type_info
 971 000000000000cdf0 (__DATA,__const) external vtable for __cxxabiv1::__function_type_info
 972 000000000000cc40 (__DATA,__const) external vtable for __cxxabiv1::__si_class_type_info
 973 000000000000cca0 (__DATA,__const) external vtable for __cxxabiv1::__vmi_class_type_info
 974 000000000000cd70 (__DATA,__const) external vtable for __cxxabiv1::__fundamental_type_info
 975 000000000000cf10 (__DATA,__const) external vtable for __cxxabiv1::__pointer_to_member_type_info
 976
 977                  (undefined) external ___stack_chk_fail (from libSystem)
 978                  (undefined) external ___stack_chk_guard (from libSystem)
 979                  (undefined) external ___stderrp (from libSystem)
 980                  (undefined) external ___strcat_chk (from libSystem)
 981                  (undefined) external _abort (from libSystem)
 982                  (undefined) external _calloc (from libSystem)
 983                  (undefined) external _dlsym (from libSystem)
 984                  (undefined) external _free (from libSystem)
 985                  (undefined) external _malloc (from libSystem)
 986                  (undefined) external _memcpy (from libSystem)
 987                  (undefined) external _pthread_getspecific (from libSystem)
 988                  (undefined) external _pthread_key_create (from libSystem)
 989                  (undefined) external _pthread_mutex_init (from libSystem)
 990                  (undefined) external _pthread_mutex_lock (from libSystem)
 991                  (undefined) external _pthread_mutex_unlock (from libSystem)
 992                  (undefined) external _pthread_mutexattr_init (from libSystem)
 993                  (undefined) external _pthread_mutexattr_settype (from libSystem)
 994                  (undefined) external _pthread_once (from libSystem)
 995                  (undefined) external _pthread_setspecific (from libSystem)
 996                  (undefined) external _realloc (from libSystem)
 997                  (undefined) external _strcmp (from libSystem)
 998                  (undefined) external _strcpy (from libSystem)
 999                  (undefined) external _strlen (from libSystem)
1000                  (undefined) external _strncmp (from libSystem)
1001                  (undefined) external _vasprintf (from libSystem)
1002                  (undefined) external _vfprintf (from libSystem)
1003                  (undefined) external dyld_stub_binder (from libSystem)
1004                  (undefined) external __Unwind_DeleteException (from libSystem)
1005                  (undefined) external __Unwind_GetIP (from libSystem)
1006                  (undefined) external __Unwind_GetLanguageSpecificData (from libSystem)
1007                  (undefined) external __Unwind_GetRegionStart (from libSystem)
1008                  (undefined) external __Unwind_RaiseException (from libSystem)
1009                  (undefined) external __Unwind_Resume_or_Rethrow (from libSystem)
1010                  (undefined) external __Unwind_SetGR (from libSystem)
1011                  (undefined) external __Unwind_SetIP (from libSystem)
1012                  (undefined) external ___bzero (from libSystem)
1013  -->
1014
1015 </body>
1016 </html>