elf/tst-tlsmod1.c


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
65
66
67
68

#include <stdio.h>

#include <tls.h>

#ifdef USE_TLS
#include "tls-macros.h"


/* One define int variable, two externs.  */
COMMON_INT_DEF(foo);
VAR_INT_DEF(bar);
VAR_INT_DECL(baz);
#endif

extern int in_dso (void);

int
in_dso (void)
{
  int result = 0;
#ifdef USE_TLS
  int *ap, *bp, *cp;

  /* Get variables using initial exec model.  */
  fputs ("get sum of foo and bar (IE)", stdout);
  asm ("" ::: "memory");
  ap = TLS_IE (foo);
  bp = TLS_IE (bar);
  printf (" = %d\n", *ap + *bp);
  result |= *ap + *bp != 3;
  if (*ap != 1)
    {
      printf ("foo = %d\n", *ap);
      result = 1;
    }
  if (*bp != 2)
    {
      printf ("bar = %d\n", *bp);
      result = 1;
    }


  /* Get variables using generic dynamic model.  */
  fputs ("get sum of foo and bar and baz (GD)", stdout);
  ap = TLS_GD (foo);
  bp = TLS_GD (bar);
  cp = TLS_GD (baz);
  printf (" = %d\n", *ap + *bp + *cp);
  result |= *ap + *bp + *cp != 6;
  if (*ap != 1)
    {
      printf ("foo = %d\n", *ap);
      result = 1;
    }
  if (*bp != 2)
    {
      printf ("bar = %d\n", *bp);
      result = 1;
    }
  if (*cp != 3)
    {
      printf ("baz = %d\n", *cp);
      result = 1;
    }
#endif

  return result;
}