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      1 // Copyright (C) 2011 The Android Open Source Project
      2 // All rights reserved.
      3 //
      4 // Redistribution and use in source and binary forms, with or without
      5 // modification, are permitted provided that the following conditions
      6 // are met:
      7 // 1. Redistributions of source code must retain the above copyright
      8 //    notice, this list of conditions and the following disclaimer.
      9 // 2. Redistributions in binary form must reproduce the above copyright
     10 //    notice, this list of conditions and the following disclaimer in the
     11 //    documentation and/or other materials provided with the distribution.
     12 // 3. Neither the name of the project nor the names of its contributors
     13 //    may be used to endorse or promote products derived from this software
     14 //    without specific prior written permission.
     15 //
     16 // THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
     17 // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19 // ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
     20 // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22 // OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23 // HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24 // LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25 // OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26 // SUCH DAMAGE.
     27 //
     28 // type_info.cc: Methods for std::type_info.
     29 //
     30 
     31 #include <cxxabi.h>
     32 #ifdef __ARM_EABI__
     33 // ARM EABI requires string comprison for mangled type names for type_info
     34 // equality.
     35 #include <string.h>
     36 #endif
     37 
     38 #include <typeinfo>
     39 
     40 namespace std
     41 {
     42   type_info::~type_info()
     43   {
     44   }
     45 
     46 #if !defined(LIBCXXABI)
     47   bool
     48   type_info::operator==(const type_info& rhs) const
     49   {
     50 #ifdef __ARM_EABI__
     51     // IHI0041A CPPABI 3.2.5.6.  Because of weak linkage and share libraries,
     52     // we perform string comparison.
     53     return strcmp(this->__type_name, rhs.__type_name) == 0;
     54 #else
     55     return this == &rhs;
     56 #endif
     57   }
     58 
     59   bool
     60   type_info::operator!=(const type_info& rhs) const
     61   {
     62     return !this->operator==(rhs);
     63   }
     64 
     65   bool
     66   type_info::before(const type_info& rhs) const
     67   {
     68 #ifdef __ARM_EABI__
     69     // IHI0041A CPPABI 3.2.5.6.  Because of weak linkage and share libraries,
     70     // we perform string comparison.
     71     return strcmp(this->__type_name, rhs.__type_name) < 0;
     72 #else
     73     return this < &rhs;
     74 #endif
     75   }
     76 #endif // !defined(LIBCXXABI)
     77 
     78 bad_cast::bad_cast() _GABIXX_NOEXCEPT {
     79 }
     80 
     81 bad_cast::~bad_cast() _GABIXX_NOEXCEPT {
     82 }
     83 
     84 const char* bad_cast::what() const _GABIXX_NOEXCEPT {
     85   return "std::bad_cast";
     86 }
     87 
     88 bad_typeid::bad_typeid() _GABIXX_NOEXCEPT {
     89 }
     90 
     91 bad_typeid::~bad_typeid() _GABIXX_NOEXCEPT {
     92 }
     93 
     94 const char* bad_typeid::what() const _GABIXX_NOEXCEPT {
     95   return "std::bad_typeid";
     96 }
     97 
     98 } // end namespace std
     99