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 bool 47 type_info::operator==(const type_info& rhs) const 48 { 49 #ifdef __ARM_EABI__ 50 // IHI0041A CPPABI 3.2.5.6. Because of weak linkage and share libraries, 51 // we perform string comparison. 52 return strcmp(this->__type_name, rhs.__type_name) == 0; 53 #else 54 return this == &rhs; 55 #endif 56 } 57 58 bool 59 type_info::operator!=(const type_info& rhs) const 60 { 61 return !this->operator==(rhs); 62 } 63 64 bool 65 type_info::before(const type_info& rhs) const 66 { 67 #ifdef __ARM_EABI__ 68 // IHI0041A CPPABI 3.2.5.6. Because of weak linkage and share libraries, 69 // we perform string comparison. 70 return strcmp(this->__type_name, rhs.__type_name) < 0; 71 #else 72 return this < &rhs; 73 #endif 74 } 75 } // end namespace std 76
