summaryrefslogtreecommitdiffstats
path: root/config/auto-aux/int64align.c
blob: c1439869f038576256dc1321de70cd86256c7289 (plain)
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
/***********************************************************************/
/*                                                                     */
/*                                OCaml                                */
/*                                                                     */
/*            Xavier Leroy, projet Cristal, INRIA Rocquencourt         */
/*                                                                     */
/*  Copyright 2000 Institut National de Recherche en Informatique et   */
/*  en Automatique.  All rights reserved.  This file is distributed    */
/*  under the terms of the GNU Library General Public License, with    */
/*  the special exception on linking described in file ../../LICENSE.  */
/*                                                                     */
/***********************************************************************/

#include <stdio.h>
#include <signal.h>
#include <setjmp.h>
#include "m.h"

#if defined(ARCH_INT64_TYPE)
typedef ARCH_INT64_TYPE int64_t;
#elif SIZEOF_LONG == 8
typedef long int64_t;
#elif SIZEOF_LONGLONG == 8
typedef long long int64_t;
#else
#error "No 64-bit integer type available"
#endif

int64_t foo;

void access_int64(int64_t *p)
{
  foo = *p;
}

jmp_buf failure;

void sig_handler(int sig)
{
  longjmp(failure, 1);
}

int main(void)
{
  long n[10];
  int res;
  signal(SIGSEGV, sig_handler);
#ifdef SIGBUS
  signal(SIGBUS, sig_handler);
#endif
  if(setjmp(failure) == 0) {
    access_int64((int64_t *) n);
    access_int64((int64_t *) (n+1));
    res = 0;
  } else {
    res = 1;
  }
  signal(SIGSEGV, SIG_DFL);
#ifdef SIGBUS
  signal(SIGBUS, SIG_DFL);
#endif
  exit(res);
}