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/*
* Copyright 2010-2011 PathScale, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS
* IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* aux.cc - Compiler helper functions.
*
* The functions declared in this file are intended to be called only by code
* that is automatically generated by C++ compilers for some common cases.
*/
#include <stdlib.h>
#include "stdexcept.h"
namespace {
/**
* Throw an exception if we're compiling with exceptions, otherwise abort.
*/
template<typename T>
void throw_exception()
{
#if !defined(_CXXRT_NO_EXCEPTIONS)
throw T();
#else
abort();
#endif
}
}
/**
* Called to generate a bad cast exception. This function is intended to allow
* compilers to insert code generating this exception without needing to
* duplicate the code for throwing the exception in every call site.
*/
extern "C" void __cxa_bad_cast()
{
throw_exception<std::bad_cast>();
}
/**
* Called to generate a bad typeid exception. This function is intended to
* allow compilers to insert code generating this exception without needing to
* duplicate the code for throwing the exception in every call site.
*/
extern "C" void __cxa_bad_typeid()
{
throw_exception<std::bad_typeid>();
}
/**
* Compilers may (but are not required to) set any pure-virtual function's
* vtable entry to this function. This makes debugging slightly easier, as
* users can add a breakpoint on this function to tell if they've accidentally
* called a pure-virtual function.
*/
extern "C" void __cxa_pure_virtual()
{
abort();
}
/**
* Compilers may (but are not required to) set any deleted-virtual function's
* vtable entry to this function. This makes debugging slightly easier, as
* users can add a breakpoint on this function to tell if they've accidentally
* called a deleted-virtual function.
*/
extern "C" void __cxa_deleted_virtual()
{
abort();
}
extern "C" void __cxa_throw_bad_array_new_length()
{
throw_exception<std::bad_array_new_length>();
}
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