1/*
2 * Copyright 2010-2011 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/**
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