File: cxa_vec.cc

package info (click to toggle)
gcc-avr 1%3A5.4.0%2BAtmel3.6.2-3
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 589,884 kB
  • sloc: ansic: 2,775,581; ada: 756,757; cpp: 723,977; f90: 117,673; asm: 66,897; makefile: 62,756; xml: 44,466; sh: 29,549; exp: 23,315; objc: 15,216; fortran: 10,901; pascal: 4,185; python: 4,093; perl: 2,969; awk: 2,811; ml: 2,385; cs: 879; yacc: 316; lex: 198; haskell: 112; lisp: 8
file content (64 lines) | stat: -rw-r--r-- 1,313 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
// { dg-do run }
// Avoid use of non-overridable new/delete operators in shared
// { dg-options "-static" { target *-*-mingw* } }
// Test __cxa_vec routines
// Copyright (C) 2000-2015 Free Software Foundation, Inc.
// Contributed by Nathan Sidwell 7 Apr 2000 <nathan@nathan@codesourcery.com>

#include <cxxabi.h>
#include <stdio.h>
#include <new>
#include <stdlib.h>
#include <setjmp.h>

// Allocate enough padding to hold an array cookie.
#ifdef __ARM_EABI__
static const size_t padding = 8;
#else
static const size_t padding = (sizeof (std::size_t));
#endif

// our pseudo ctors and dtors
static abi::__cxa_cdtor_return_type ctor (void *x)
{
  abort ();
}

static abi::__cxa_cdtor_return_type dtor (void *x)
{
  abort ();
}

// allocate an array whose size causes an overflow during multiplication
void test1 ()
{
  static const std::size_t large_size =
    std::size_t(1) << (sizeof(std::size_t) * 8 - 2);
  try
    {
      abi::__cxa_vec_new (large_size, 8, 0, ctor, dtor);
      abort ();
    }
  catch (std::bad_alloc &)
    {
    }
}

// allocate an array whose size causes an overflow during addition
void test2 ()
{
  try
    {
      abi::__cxa_vec_new (std::size_t(-1) / 4, 4, padding, ctor, dtor);
      abort ();
    }
  catch (std::bad_alloc &)
    {
    }
}

int main ()
{
  test1 ();
  test2 ();
}