4bf41ce2a6
also because it is the wrong approach: comparing typeinfo names deeply causes trouble if two loaded DSOs use independent types of the same name. In addition, this particular change was never merged to FreeBSD 10.x and 9.x, so let's get rid of it before it ends up in an 11.x release. Discussed with: theraven, joerg@netbsd
133 lines
3.7 KiB
C++
133 lines
3.7 KiB
C++
/*
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* Copyright 2010-2012 PathScale, Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS
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* IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "typeinfo.h"
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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using std::type_info;
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type_info::~type_info() {}
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bool type_info::operator==(const type_info &other) const
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{
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return __type_name == other.__type_name;
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}
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bool type_info::operator!=(const type_info &other) const
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{
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return __type_name != other.__type_name;
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}
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bool type_info::before(const type_info &other) const
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{
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return __type_name < other.__type_name;
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}
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const char* type_info::name() const
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{
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return __type_name;
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}
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type_info::type_info (const type_info& rhs)
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{
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__type_name = rhs.__type_name;
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}
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type_info& type_info::operator= (const type_info& rhs)
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{
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return *new type_info(rhs);
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}
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ABI_NAMESPACE::__fundamental_type_info::~__fundamental_type_info() {}
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ABI_NAMESPACE::__array_type_info::~__array_type_info() {}
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ABI_NAMESPACE::__function_type_info::~__function_type_info() {}
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ABI_NAMESPACE::__enum_type_info::~__enum_type_info() {}
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ABI_NAMESPACE::__class_type_info::~__class_type_info() {}
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ABI_NAMESPACE::__si_class_type_info::~__si_class_type_info() {}
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ABI_NAMESPACE::__vmi_class_type_info::~__vmi_class_type_info() {}
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ABI_NAMESPACE::__pbase_type_info::~__pbase_type_info() {}
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ABI_NAMESPACE::__pointer_type_info::~__pointer_type_info() {}
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ABI_NAMESPACE::__pointer_to_member_type_info::~__pointer_to_member_type_info() {}
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// From libelftc
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extern "C" char *__cxa_demangle_gnu3(const char *);
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extern "C" char* __cxa_demangle(const char* mangled_name,
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char* buf,
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size_t* n,
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int* status)
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{
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// TODO: We should probably just be linking against libelf-tc, rather than
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// copying their code. This requires them to do an actual release,
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// however, and for our changes to be pushed upstream. We also need to
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// call a different demangling function here depending on the ABI (e.g.
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// ARM).
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char *demangled = __cxa_demangle_gnu3(mangled_name);
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if (NULL != demangled)
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{
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size_t len = strlen(demangled);
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if (buf == NULL)
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{
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if (n)
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{
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*n = len;
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}
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return demangled;
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}
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if (*n < len+1)
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{
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buf = static_cast<char*>(realloc(buf, len+1));
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}
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if (0 != buf)
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{
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memcpy(buf, demangled, len);
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buf[len] = 0;
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if (n)
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{
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*n = len;
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}
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if (status)
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{
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*status = 0;
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}
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}
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else
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{
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if (status)
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{
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*status = -1;
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}
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}
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free(demangled);
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}
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else
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{
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if (status)
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{
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*status = -2;
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}
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return NULL;
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}
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return buf;
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}
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