auxhelper.cc revision 350400 
176264Sgreen/*
276264Sgreen * Copyright 2010-2011 PathScale, Inc. All rights reserved.
3255460Sdes *
4255460Sdes * Redistribution and use in source and binary forms, with or without
576264Sgreen * modification, are permitted provided that the following conditions are met:
6197679Sdes *
7158519Sdes * 1. Redistributions of source code must retain the above copyright notice,
876264Sgreen *    this list of conditions and the following disclaimer.
9255460Sdes *
10255460Sdes * 2. Redistributions in binary form must reproduce the above copyright notice,
11255386Sdes *    this list of conditions and the following disclaimer in the documentation
1276264Sgreen *    and/or other materials provided with the distribution.
13255460Sdes *
14255460Sdes * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS
15255460Sdes * IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
16255460Sdes * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17255460Sdes * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
18255460Sdes * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19255460Sdes * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20255460Sdes * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
21255460Sdes * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
22255460Sdes * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
2376264Sgreen * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
2476264Sgreen * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
2576264Sgreen */
26158529Sdes
27158529Sdes/**
28 * aux.cc - Compiler helper functions.
29 *
30 * The functions declared in this file are intended to be called only by code
31 * that is automatically generated by C++ compilers for some common cases.
32 */
33
34#include <stdlib.h>
35#include "stdexcept.h"
36
37/**
38 * Called to generate a bad cast exception.  This function is intended to allow
39 * compilers to insert code generating this exception without needing to
40 * duplicate the code for throwing the exception in every call site.
41 */
42extern "C" void __cxa_bad_cast()
43{
44    throw std::bad_cast();
45}
46
47/**
48 * Called to generate a bad typeid exception.  This function is intended to
49 * allow compilers to insert code generating this exception without needing to
50 * duplicate the code for throwing the exception in every call site.
51 */
52extern "C" void __cxa_bad_typeid()
53{
54    throw std::bad_typeid();
55}
56
57/**
58 * Compilers may (but are not required to) set any pure-virtual function's
59 * vtable entry to this function.  This makes debugging slightly easier, as
60 * users can add a breakpoint on this function to tell if they've accidentally
61 * called a pure-virtual function.
62 */
63extern "C" void __cxa_pure_virtual()
64{
65    abort();
66}
67
68/**
69 * Compilers may (but are not required to) set any deleted-virtual function's
70 * vtable entry to this function.  This makes debugging slightly easier, as
71 * users can add a breakpoint on this function to tell if they've accidentally
72 * called a deleted-virtual function.
73 */
74extern "C" void __cxa_deleted_virtual()
75{
76    abort();
77}
78
79extern "C" void __cxa_throw_bad_array_new_length()
80{
81	throw std::bad_array_new_length();
82}
83