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The C and C++ Include Header Files
cat -n /usr/include/c++/15/cxxabi.h
1 // ABI Support -*- C++ -*- 2 3 // Copyright (C) 2000-2025 Free Software Foundation, Inc. 4 // 5 // This file is part of GCC. 6 // 7 // GCC is free software; you can redistribute it and/or modify 8 // it under the terms of the GNU General Public License as published by 9 // the Free Software Foundation; either version 3, or (at your option) 10 // any later version. 11 // 12 // GCC is distributed in the hope that it will be useful, 13 // but WITHOUT ANY WARRANTY; without even the implied warranty of 14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 // GNU General Public License for more details. 16 // 17 // Under Section 7 of GPL version 3, you are granted additional 18 // permissions described in the GCC Runtime Library Exception, version 19 // 3.1, as published by the Free Software Foundation. 20 21 // You should have received a copy of the GNU General Public License and 22 // a copy of the GCC Runtime Library Exception along with this program; 23 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 24 // <http://www.gnu.org/licenses/>. 25 26 // Written by Nathan Sidwell, Codesourcery LLC, <nathan@codesourcery.com> 27 28 /* This file declares the new abi entry points into the runtime. It is not 29 normally necessary for user programs to include this header, or use the 30 entry points directly. However, this header is available should that be 31 needed. 32 33 Some of the entry points are intended for both C and C++, thus this header 34 is includable from both C and C++. Though the C++ specific parts are not 35 available in C, naturally enough. */ 36 37 /** @file cxxabi.h 38 * The header provides an interface to the C++ ABI. 39 */ 40 41 #ifndef _CXXABI_H 42 #define _CXXABI_H 1 43 44 #ifdef _GLIBCXX_SYSHDR 45 #pragma GCC system_header 46 #endif 47 48 #pragma GCC visibility push(default) 49 50 #include <stddef.h> 51 #include <bits/c++config.h> 52 #include <bits/cxxabi_tweaks.h> 53 #include <bits/cxxabi_forced.h> 54 #include <bits/cxxabi_init_exception.h> 55 56 #ifdef __cplusplus 57 namespace __cxxabiv1 58 { 59 extern "C" 60 { 61 #endif 62 63 typedef __cxa_cdtor_return_type (*__cxa_cdtor_type)(void *); 64 65 // Allocate array. 66 void* 67 __cxa_vec_new(size_t __element_count, size_t __element_size, 68 size_t __padding_size, __cxa_cdtor_type __constructor, 69 __cxa_cdtor_type __destructor); 70 71 void* 72 __cxa_vec_new2(size_t __element_count, size_t __element_size, 73 size_t __padding_size, __cxa_cdtor_type __constructor, 74 __cxa_cdtor_type __destructor, void *(*__alloc) (size_t), 75 void (*__dealloc) (void*)); 76 77 void* 78 __cxa_vec_new3(size_t __element_count, size_t __element_size, 79 size_t __padding_size, __cxa_cdtor_type __constructor, 80 __cxa_cdtor_type __destructor, void *(*__alloc) (size_t), 81 void (*__dealloc) (void*, size_t)); 82 83 // Construct array. 84 __cxa_vec_ctor_return_type 85 __cxa_vec_ctor(void* __array_address, size_t __element_count, 86 size_t __element_size, __cxa_cdtor_type __constructor, 87 __cxa_cdtor_type __destructor); 88 89 __cxa_vec_ctor_return_type 90 __cxa_vec_cctor(void* __dest_array, void* __src_array, 91 size_t __element_count, size_t __element_size, 92 __cxa_cdtor_return_type (*__constructor) (void*, void*), 93 __cxa_cdtor_type __destructor); 94 95 // Destruct array. 96 void 97 __cxa_vec_dtor(void* __array_address, size_t __element_count, 98 size_t __element_size, __cxa_cdtor_type __destructor); 99 100 void 101 __cxa_vec_cleanup(void* __array_address, size_t __element_count, size_t __s, 102 __cxa_cdtor_type __destructor) _GLIBCXX_NOTHROW; 103 104 // Destruct and release array. 105 void 106 __cxa_vec_delete(void* __array_address, size_t __element_size, 107 size_t __padding_size, __cxa_cdtor_type __destructor); 108 109 void 110 __cxa_vec_delete2(void* __array_address, size_t __element_size, 111 size_t __padding_size, __cxa_cdtor_type __destructor, 112 void (*__dealloc) (void*)); 113 114 void 115 __cxa_vec_delete3(void* __array_address, size_t __element_size, 116 size_t __padding_size, __cxa_cdtor_type __destructor, 117 void (*__dealloc) (void*, size_t)); 118 119 int 120 __cxa_guard_acquire(__guard*); 121 122 void 123 __cxa_guard_release(__guard*) _GLIBCXX_NOTHROW; 124 125 void 126 __cxa_guard_abort(__guard*) _GLIBCXX_NOTHROW; 127 128 // DSO destruction. 129 int 130 #ifdef _GLIBCXX_CDTOR_CALLABI 131 __cxa_atexit(void (_GLIBCXX_CDTOR_CALLABI *)(void*), void*, void*) _GLIBCXX_NOTHROW; 132 #else 133 __cxa_atexit(void (*)(void*), void*, void*) _GLIBCXX_NOTHROW; 134 #endif 135 136 void 137 __cxa_finalize(void*); 138 139 // TLS destruction. 140 int 141 #ifdef _GLIBCXX_CDTOR_CALLABI 142 __cxa_thread_atexit(void (_GLIBCXX_CDTOR_CALLABI *)(void*), void*, void *) _GLIBCXX_NOTHROW; 143 #else 144 __cxa_thread_atexit(void (*)(void*), void*, void *) _GLIBCXX_NOTHROW; 145 #endif 146 147 // Pure virtual functions. 148 void 149 __cxa_pure_virtual(void) __attribute__ ((__noreturn__)); 150 151 void 152 __cxa_deleted_virtual(void) __attribute__ ((__noreturn__)); 153 154 // Exception handling auxiliary. 155 void 156 __cxa_bad_cast() __attribute__((__noreturn__)); 157 158 void 159 __cxa_bad_typeid() __attribute__((__noreturn__)); 160 161 void 162 __cxa_throw_bad_array_new_length() __attribute__((__noreturn__)); 163 164 /** 165 * @brief Demangling routine. 166 * ABI-mandated entry point in the C++ runtime library for demangling. 167 * 168 * @param __mangled_name A NUL-terminated character string 169 * containing the name to be demangled. 170 * 171 * @param __output_buffer A region of memory, allocated with 172 * malloc, of @a *__length bytes, into which the demangled name is 173 * stored. If @a __output_buffer is not long enough, it is 174 * expanded using realloc. @a __output_buffer may instead be null; 175 * in that case, the demangled name is placed in a region of memory 176 * allocated with malloc. 177 * 178 * @param __length If @a __length is non-null, the length of the 179 * buffer containing the demangled name is placed in @a *__length. 180 * 181 * @param __status If @a __status is non-null, @a *__status is set to 182 * one of the following values: 183 * 0: The demangling operation succeeded. 184 * -1: A memory allocation failure occurred. 185 * -2: @a mangled_name is not a valid name under the C++ ABI mangling rules. 186 * -3: One of the arguments is invalid. 187 * 188 * @return A pointer to the start of the NUL-terminated demangled 189 * name, or a null pointer if the demangling fails. The caller is 190 * responsible for deallocating this memory using @c free. 191 * 192 * The demangling is performed using the C++ ABI mangling rules, 193 * with GNU extensions. For example, this function is used in 194 * __gnu_cxx::__verbose_terminate_handler. 195 * 196 * See https://gcc.gnu.org/onlinedocs/libstdc++/manual/ext_demangling.html 197 * for other examples of use. 198 * 199 * @note The same demangling functionality is available via 200 * libiberty (@c <libiberty/demangle.h> and @c libiberty.a) in GCC 201 * 3.1 and later, but that requires explicit installation (@c 202 * --enable-install-libiberty) and uses a different API, although 203 * the ABI is unchanged. 204 */ 205 char* 206 __cxa_demangle(const char* __mangled_name, char* __output_buffer, 207 size_t* __length, int* __status); 208 209 #ifdef __cplusplus 210 } 211 } // namespace __cxxabiv1 212 #endif 213 214 #ifdef __cplusplus 215 216 #include <typeinfo> 217 218 namespace __cxxabiv1 219 { 220 // Type information for int, float etc. 221 class __fundamental_type_info : public std::type_info 222 { 223 public: 224 explicit 225 __fundamental_type_info(const char* __n) : std::type_info(__n) { } 226 227 virtual 228 ~__fundamental_type_info(); 229 }; 230 231 // Type information for array objects. 232 class __array_type_info : public std::type_info 233 { 234 public: 235 explicit 236 __array_type_info(const char* __n) : std::type_info(__n) { } 237 238 virtual 239 ~__array_type_info(); 240 }; 241 242 // Type information for functions (both member and non-member). 243 class __function_type_info : public std::type_info 244 { 245 public: 246 explicit 247 __function_type_info(const char* __n) : std::type_info(__n) { } 248 249 virtual 250 ~__function_type_info(); 251 252 protected: 253 // Implementation defined member function. 254 virtual bool 255 __is_function_p() const; 256 }; 257 258 // Type information for enumerations. 259 class __enum_type_info : public std::type_info 260 { 261 public: 262 explicit 263 __enum_type_info(const char* __n) : std::type_info(__n) { } 264 265 virtual 266 ~__enum_type_info(); 267 }; 268 269 // Common type information for simple pointers and pointers to member. 270 class __pbase_type_info : public std::type_info 271 { 272 public: 273 unsigned int __flags; // Qualification of the target object. 274 const std::type_info* __pointee; // Type of pointed to object. 275 276 explicit 277 __pbase_type_info(const char* __n, int __quals, 278 const std::type_info* __type) 279 : std::type_info(__n), __flags(__quals), __pointee(__type) 280 { } 281 282 virtual 283 ~__pbase_type_info(); 284 285 // Implementation defined type. 286 enum __masks 287 { 288 __const_mask = 0x1, 289 __volatile_mask = 0x2, 290 __restrict_mask = 0x4, 291 __incomplete_mask = 0x8, 292 __incomplete_class_mask = 0x10, 293 __transaction_safe_mask = 0x20, 294 __noexcept_mask = 0x40 295 }; 296 297 protected: 298 __pbase_type_info(const __pbase_type_info&); 299 300 __pbase_type_info& 301 operator=(const __pbase_type_info&); 302 303 // Implementation defined member functions. 304 virtual bool 305 __do_catch(const std::type_info* __thr_type, void** __thr_obj, 306 unsigned int __outer) const; 307 308 inline virtual bool 309 __pointer_catch(const __pbase_type_info* __thr_type, void** __thr_obj, 310 unsigned __outer) const; 311 }; 312 313 inline bool __pbase_type_info:: 314 __pointer_catch (const __pbase_type_info *thrown_type, 315 void **thr_obj, 316 unsigned outer) const 317 { 318 return __pointee->__do_catch (thrown_type->__pointee, thr_obj, outer + 2); 319 } 320 321 // Type information for simple pointers. 322 class __pointer_type_info : public __pbase_type_info 323 { 324 public: 325 explicit 326 __pointer_type_info(const char* __n, int __quals, 327 const std::type_info* __type) 328 : __pbase_type_info (__n, __quals, __type) { } 329 330 331 virtual 332 ~__pointer_type_info(); 333 334 protected: 335 // Implementation defined member functions. 336 virtual bool 337 __is_pointer_p() const; 338 339 virtual bool 340 __pointer_catch(const __pbase_type_info* __thr_type, void** __thr_obj, 341 unsigned __outer) const; 342 }; 343 344 class __class_type_info; 345 346 // Type information for a pointer to member variable. 347 class __pointer_to_member_type_info : public __pbase_type_info 348 { 349 public: 350 __class_type_info* __context; // Class of the member. 351 352 explicit 353 __pointer_to_member_type_info(const char* __n, int __quals, 354 const std::type_info* __type, 355 __class_type_info* __klass) 356 : __pbase_type_info(__n, __quals, __type), __context(__klass) { } 357 358 virtual 359 ~__pointer_to_member_type_info(); 360 361 protected: 362 __pointer_to_member_type_info(const __pointer_to_member_type_info&); 363 364 __pointer_to_member_type_info& 365 operator=(const __pointer_to_member_type_info&); 366 367 // Implementation defined member function. 368 virtual bool 369 __pointer_catch(const __pbase_type_info* __thr_type, void** __thr_obj, 370 unsigned __outer) const; 371 }; 372 373 // Helper class for __vmi_class_type. 374 class __base_class_type_info 375 { 376 public: 377 const __class_type_info* __base_type; // Base class type. 378 #ifdef _GLIBCXX_LLP64 379 long long __offset_flags; // Offset and info. 380 #else 381 long __offset_flags; // Offset and info. 382 #endif 383 384 enum __offset_flags_masks 385 { 386 __virtual_mask = 0x1, 387 __public_mask = 0x2, 388 __hwm_bit = 2, 389 __offset_shift = 8 // Bits to shift offset. 390 }; 391 392 // Implementation defined member functions. 393 bool 394 __is_virtual_p() const 395 { return __offset_flags & __virtual_mask; } 396 397 bool 398 __is_public_p() const 399 { return __offset_flags & __public_mask; } 400 401 ptrdiff_t 402 __offset() const 403 { 404 // This shift, being of a signed type, is implementation 405 // defined. GCC implements such shifts as arithmetic, which is 406 // what we want. 407 return static_cast<ptrdiff_t>(__offset_flags) >> __offset_shift; 408 } 409 }; 410 411 // Type information for a class. 412 class __class_type_info : public std::type_info 413 { 414 public: 415 explicit 416 __class_type_info (const char *__n) : type_info(__n) { } 417 418 virtual 419 ~__class_type_info (); 420 421 // Implementation defined types. 422 // The type sub_kind tells us about how a base object is contained 423 // within a derived object. We often do this lazily, hence the 424 // UNKNOWN value. At other times we may use NOT_CONTAINED to mean 425 // not publicly contained. 426 enum __sub_kind 427 { 428 // We have no idea. 429 __unknown = 0, 430 431 // Not contained within us (in some circumstances this might 432 // mean not contained publicly) 433 __not_contained, 434 435 // Contained ambiguously. 436 __contained_ambig, 437 438 // Via a virtual path. 439 __contained_virtual_mask = __base_class_type_info::__virtual_mask, 440 441 // Via a public path. 442 __contained_public_mask = __base_class_type_info::__public_mask, 443 444 // Contained within us. 445 __contained_mask = 1 << __base_class_type_info::__hwm_bit, 446 447 __contained_private = __contained_mask, 448 __contained_public = __contained_mask | __contained_public_mask 449 }; 450 451 struct __upcast_result; 452 struct __dyncast_result; 453 454 protected: 455 // Implementation defined member functions. 456 virtual bool 457 __do_upcast(const __class_type_info* __dst_type, void**__obj_ptr) const; 458 459 virtual bool 460 __do_catch(const type_info* __thr_type, void** __thr_obj, 461 unsigned __outer) const; 462 463 public: 464 // Helper for upcast. See if DST is us, or one of our bases. 465 // Return false if not found, true if found. 466 virtual bool 467 __do_upcast(const __class_type_info* __dst, const void* __obj, 468 __upcast_result& __restrict __result) const; 469 470 // Indicate whether SRC_PTR of type SRC_TYPE is contained publicly 471 // within OBJ_PTR. OBJ_PTR points to a base object of our type, 472 // which is the destination type. SRC2DST indicates how SRC 473 // objects might be contained within this type. If SRC_PTR is one 474 // of our SRC_TYPE bases, indicate the virtuality. Returns 475 // not_contained for non containment or private containment. 476 inline __sub_kind 477 __find_public_src(ptrdiff_t __src2dst, const void* __obj_ptr, 478 const __class_type_info* __src_type, 479 const void* __src_ptr) const; 480 481 // Helper for dynamic cast. ACCESS_PATH gives the access from the 482 // most derived object to this base. DST_TYPE indicates the 483 // desired type we want. OBJ_PTR points to a base of our type 484 // within the complete object. SRC_TYPE indicates the static type 485 // started from and SRC_PTR points to that base within the most 486 // derived object. Fill in RESULT with what we find. Return true 487 // if we have located an ambiguous match. 488 virtual bool 489 __do_dyncast(ptrdiff_t __src2dst, __sub_kind __access_path, 490 const __class_type_info* __dst_type, const void* __obj_ptr, 491 const __class_type_info* __src_type, const void* __src_ptr, 492 __dyncast_result& __result) const; 493 494 // Helper for find_public_subobj. SRC2DST indicates how SRC_TYPE 495 // bases are inherited by the type started from -- which is not 496 // necessarily the current type. The current type will be a base 497 // of the destination type. OBJ_PTR points to the current base. 498 virtual __sub_kind 499 __do_find_public_src(ptrdiff_t __src2dst, const void* __obj_ptr, 500 const __class_type_info* __src_type, 501 const void* __src_ptr) const; 502 }; 503 504 // Type information for a class with a single non-virtual base. 505 class __si_class_type_info : public __class_type_info 506 { 507 public: 508 const __class_type_info* __base_type; 509 510 explicit 511 __si_class_type_info(const char *__n, const __class_type_info *__base) 512 : __class_type_info(__n), __base_type(__base) { } 513 514 virtual 515 ~__si_class_type_info(); 516 517 protected: 518 __si_class_type_info(const __si_class_type_info&); 519 520 __si_class_type_info& 521 operator=(const __si_class_type_info&); 522 523 // Implementation defined member functions. 524 virtual bool 525 __do_dyncast(ptrdiff_t __src2dst, __sub_kind __access_path, 526 const __class_type_info* __dst_type, const void* __obj_ptr, 527 const __class_type_info* __src_type, const void* __src_ptr, 528 __dyncast_result& __result) const; 529 530 virtual __sub_kind 531 __do_find_public_src(ptrdiff_t __src2dst, const void* __obj_ptr, 532 const __class_type_info* __src_type, 533 const void* __sub_ptr) const; 534 535 virtual bool 536 __do_upcast(const __class_type_info*__dst, const void*__obj, 537 __upcast_result& __restrict __result) const; 538 }; 539 540 // Type information for a class with multiple and/or virtual bases. 541 class __vmi_class_type_info : public __class_type_info 542 { 543 public: 544 unsigned int __flags; // Details about the class hierarchy. 545 unsigned int __base_count; // Number of direct bases. 546 547 // The array of bases uses the trailing array struct hack so this 548 // class is not constructable with a normal constructor. It is 549 // internally generated by the compiler. 550 __base_class_type_info __base_info[1]; // Array of bases. 551 552 explicit 553 __vmi_class_type_info(const char* __n, int ___flags) 554 : __class_type_info(__n), __flags(___flags), __base_count(0) { } 555 556 virtual 557 ~__vmi_class_type_info(); 558 559 // Implementation defined types. 560 enum __flags_masks 561 { 562 __non_diamond_repeat_mask = 0x1, // Distinct instance of repeated base. 563 __diamond_shaped_mask = 0x2, // Diamond shaped multiple inheritance. 564 __flags_unknown_mask = 0x10 565 }; 566 567 protected: 568 // Implementation defined member functions. 569 virtual bool 570 __do_dyncast(ptrdiff_t __src2dst, __sub_kind __access_path, 571 const __class_type_info* __dst_type, const void* __obj_ptr, 572 const __class_type_info* __src_type, const void* __src_ptr, 573 __dyncast_result& __result) const; 574 575 virtual __sub_kind 576 __do_find_public_src(ptrdiff_t __src2dst, const void* __obj_ptr, 577 const __class_type_info* __src_type, 578 const void* __src_ptr) const; 579 580 virtual bool 581 __do_upcast(const __class_type_info* __dst, const void* __obj, 582 __upcast_result& __restrict __result) const; 583 }; 584 585 // Exception handling forward declarations. 586 struct __cxa_exception; 587 struct __cxa_refcounted_exception; 588 struct __cxa_dependent_exception; 589 struct __cxa_eh_globals; 590 591 extern "C" 592 { 593 // Dynamic cast runtime. 594 595 // src2dst has the following possible values 596 // >-1: src_type is a unique public non-virtual base of dst_type 597 // dst_ptr + src2dst == src_ptr 598 // -1: unspecified relationship 599 // -2: src_type is not a public base of dst_type 600 // -3: src_type is a multiple public non-virtual base of dst_type 601 void* 602 __dynamic_cast(const void* __src_ptr, // Starting object. 603 const __class_type_info* __src_type, // Static type of object. 604 const __class_type_info* __dst_type, // Desired target type. 605 ptrdiff_t __src2dst); // How src and dst are related. 606 607 608 // Exception handling runtime. 609 610 // The __cxa_eh_globals for the current thread can be obtained by using 611 // either of the following functions. The "fast" version assumes at least 612 // one prior call of __cxa_get_globals has been made from the current 613 // thread, so no initialization is necessary. 614 __cxa_eh_globals* 615 __cxa_get_globals() _GLIBCXX_NOTHROW __attribute__ ((__const__)); 616 617 __cxa_eh_globals* 618 __cxa_get_globals_fast() _GLIBCXX_NOTHROW __attribute__ ((__const__)); 619 620 // Free the space allocated for the primary exception. 621 void 622 __cxa_free_exception(void*) _GLIBCXX_NOTHROW; 623 624 // Throw the exception. 625 void 626 __cxa_throw(void*, std::type_info*, void (_GLIBCXX_CDTOR_CALLABI *) (void *)) 627 __attribute__((__noreturn__)); 628 629 // Used to implement exception handlers. 630 void* 631 __cxa_get_exception_ptr(void*) _GLIBCXX_NOTHROW __attribute__ ((__pure__)); 632 633 void* 634 __cxa_begin_catch(void*) _GLIBCXX_NOTHROW; 635 636 void 637 __cxa_end_catch(); 638 639 void 640 __cxa_rethrow() __attribute__((__noreturn__)); 641 642 // Returns the type_info for the currently handled exception [15.3/8], or 643 // null if there is none. 644 std::type_info* 645 __cxa_current_exception_type() _GLIBCXX_NOTHROW __attribute__ ((__pure__)); 646 647 // GNU Extensions. 648 649 // Allocate memory for a dependent exception. 650 __cxa_dependent_exception* 651 __cxa_allocate_dependent_exception() _GLIBCXX_NOTHROW; 652 653 // Free the space allocated for the dependent exception. 654 void 655 __cxa_free_dependent_exception(__cxa_dependent_exception*) _GLIBCXX_NOTHROW; 656 657 } // extern "C" 658 659 // A magic placeholder class that can be caught by reference 660 // to recognize foreign exceptions. 661 class __foreign_exception 662 { 663 virtual ~__foreign_exception() throw(); 664 virtual void __pure_dummy() = 0; // prevent catch by value 665 }; 666 667 } // namespace __cxxabiv1 668 669 /** @namespace abi 670 * @brief The cross-vendor C++ Application Binary Interface. A 671 * namespace alias to __cxxabiv1, but user programs should use the 672 * alias 'abi'. 673 * 674 * A brief overview of an ABI is given in the libstdc++ FAQ, question 675 * 5.8 (you may have a copy of the FAQ locally, or you can view the online 676 * version at http://gcc.gnu.org/onlinedocs/libstdc++/faq.html#5_8 ). 677 * 678 * GCC subscribes to a cross-vendor ABI for C++, sometimes 679 * called the IA64 ABI because it happens to be the native ABI for that 680 * platform. It is summarized at http://www.codesourcery.com/cxx-abi/ 681 * along with the current specification. 682 * 683 * For users of GCC greater than or equal to 3.x, entry points are 684 * available in <cxxabi.h>, which notes, <em>'It is not normally 685 * necessary for user programs to include this header, or use the 686 * entry points directly. However, this header is available should 687 * that be needed.'</em> 688 */ 689 namespace abi = __cxxabiv1; 690 691 namespace __gnu_cxx 692 { 693 /** 694 * @brief Exception thrown by __cxa_guard_acquire. 695 * @ingroup exceptions 696 * 697 * C++ 2011 6.7 [stmt.dcl]/4: If control re-enters the declaration 698 * recursively while the variable is being initialized, the behavior 699 * is undefined. 700 * 701 * Since we already have a library function to handle locking, we might 702 * as well check for this situation and throw an exception. 703 * We use the second byte of the guard variable to remember that we're 704 * in the middle of an initialization. 705 */ 706 class recursive_init_error: public std::exception 707 { 708 public: 709 recursive_init_error() _GLIBCXX_NOTHROW; 710 virtual ~recursive_init_error() _GLIBCXX_NOTHROW; 711 }; 712 } 713 #endif // __cplusplus 714 715 #pragma GCC visibility pop 716 717 #endif // __CXXABI_H