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
~type_info()34 type_info::~type_info() {}
35
operator ==(const type_info & other) const36 bool type_info::operator==(const type_info &other) const
37 {
38 return __type_name == other.__type_name;
39 }
operator !=(const type_info & other) const40 bool type_info::operator!=(const type_info &other) const
41 {
42 return __type_name != other.__type_name;
43 }
before(const type_info & other) const44 bool type_info::before(const type_info &other) const
45 {
46 return __type_name < other.__type_name;
47 }
name() const48 const char* type_info::name() const
49 {
50 return __type_name;
51 }
type_info(const type_info & rhs)52 type_info::type_info (const type_info& rhs)
53 {
54 __type_name = rhs.__type_name;
55 }
operator =(const type_info & rhs)56 type_info& type_info::operator= (const type_info& rhs)
57 {
58 return *new type_info(rhs);
59 }
60
~__fundamental_type_info()61 ABI_NAMESPACE::__fundamental_type_info::~__fundamental_type_info() {}
~__array_type_info()62 ABI_NAMESPACE::__array_type_info::~__array_type_info() {}
~__function_type_info()63 ABI_NAMESPACE::__function_type_info::~__function_type_info() {}
~__enum_type_info()64 ABI_NAMESPACE::__enum_type_info::~__enum_type_info() {}
~__class_type_info()65 ABI_NAMESPACE::__class_type_info::~__class_type_info() {}
~__si_class_type_info()66 ABI_NAMESPACE::__si_class_type_info::~__si_class_type_info() {}
~__vmi_class_type_info()67 ABI_NAMESPACE::__vmi_class_type_info::~__vmi_class_type_info() {}
~__pbase_type_info()68 ABI_NAMESPACE::__pbase_type_info::~__pbase_type_info() {}
~__pointer_type_info()69 ABI_NAMESPACE::__pointer_type_info::~__pointer_type_info() {}
~__pointer_to_member_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
__cxa_demangle(const char * mangled_name,char * buf,size_t * n,int * status)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