1 /* 2 * Copyright 2010-2012 PathScale, Inc. 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 are met: 6 * 7 * 1. Redistributions of source code must retain the above copyright notice, 8 * this list of conditions and the following disclaimer. 9 * 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS 15 * IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 16 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 21 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 22 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 23 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 24 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #include "typeinfo.h" 28 #include <string.h> 29 #include <stdlib.h> 30 #include <stdio.h> 31 32 using std::type_info; 33 34 type_info::~type_info() {} 35 36 bool type_info::operator==(const type_info &other) const 37 { 38 return __type_name == other.__type_name; 39 } 40 bool type_info::operator!=(const type_info &other) const 41 { 42 return __type_name != other.__type_name; 43 } 44 bool type_info::before(const type_info &other) const 45 { 46 return __type_name < other.__type_name; 47 } 48 const char* type_info::name() const 49 { 50 return __type_name; 51 } 52 type_info::type_info (const type_info& rhs) 53 { 54 __type_name = rhs.__type_name; 55 } 56 type_info& type_info::operator= (const type_info& rhs) 57 { 58 return *new type_info(rhs); 59 } 60 61 ABI_NAMESPACE::__fundamental_type_info::~__fundamental_type_info() {} 62 ABI_NAMESPACE::__array_type_info::~__array_type_info() {} 63 ABI_NAMESPACE::__function_type_info::~__function_type_info() {} 64 ABI_NAMESPACE::__enum_type_info::~__enum_type_info() {} 65 ABI_NAMESPACE::__class_type_info::~__class_type_info() {} 66 ABI_NAMESPACE::__si_class_type_info::~__si_class_type_info() {} 67 ABI_NAMESPACE::__vmi_class_type_info::~__vmi_class_type_info() {} 68 ABI_NAMESPACE::__pbase_type_info::~__pbase_type_info() {} 69 ABI_NAMESPACE::__pointer_type_info::~__pointer_type_info() {} 70 ABI_NAMESPACE::__pointer_to_member_type_info::~__pointer_to_member_type_info() {} 71 72 // From libelftc 73 extern "C" char *__cxa_demangle_gnu3(const char *); 74 75 extern "C" char* __cxa_demangle(const char* mangled_name, 76 char* buf, 77 size_t* n, 78 int* status) 79 { 80 // TODO: We should probably just be linking against libelf-tc, rather than 81 // copying their code. This requires them to do an actual release, 82 // however, and for our changes to be pushed upstream. We also need to 83 // call a different demangling function here depending on the ABI (e.g. 84 // ARM). 85 char *demangled = __cxa_demangle_gnu3(mangled_name); 86 if (NULL != demangled) 87 { 88 size_t len = strlen(demangled); 89 if (!buf || (*n < len+1)) 90 { 91 buf = static_cast<char*>(realloc(buf, len+1)); 92 } 93 if (0 != buf) 94 { 95 memcpy(buf, demangled, len); 96 buf[len] = 0; 97 if (n) 98 { 99 *n = len; 100 } 101 if (status) 102 { 103 *status = 0; 104 } 105 } 106 else 107 { 108 if (status) 109 { 110 *status = -1; 111 } 112 } 113 free(demangled); 114 } 115 else 116 { 117 if (status) 118 { 119 *status = -2; 120 } 121 return NULL; 122 } 123 return buf; 124 } 125