42 lines
1.1 KiB
C++
42 lines
1.1 KiB
C++
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/**
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* aux.cc - Compiler helper functions.
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*
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* The functions declared in this file are intended to be called only by code
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* that is automatically generated by C++ compilers for some common cases.
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*/
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#include <stdlib.h>
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#include "stdexcept.h"
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/**
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* Called to generate a bad cast exception. This function is intended to allow
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* compilers to insert code generating this exception without needing to
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* duplicate the code for throwing the exception in every call site.
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*/
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extern "C" void __cxa_bad_cast()
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{
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throw std::bad_cast();
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}
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/**
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* Called to generate a bad typeid exception. This function is intended to
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* allow compilers to insert code generating this exception without needing to
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* duplicate the code for throwing the exception in every call site.
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*/
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extern "C" void __cxa_bad_typeid()
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{
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throw std::bad_typeid();
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}
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/**
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* Compilers may (but are not required to) set any pure-virtual function's
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* vtable entry to this function. This makes debugging slightly easier, as
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* users can add a breakpoint on this function to tell if they've accidentally
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* called a pure-virtual function.
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*/
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extern "C" void __cxa_pure_virtual()
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{
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abort();
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}
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