summaryrefslogtreecommitdiff
path: root/elf/ifuncmod5.c
blob: 48388967b5384d21b6ca7d3a746538ba4ab55e47 (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
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
/* Test STT_GNU_IFUNC symbols without direct function call.  */

extern int global;

static int
one (void)
{
  return 1;
}

static int
minus_one (void)
{
  return -1;
}

static int
zero (void) 
{
  return 0;
}

void * foo_ifunc (void) __asm__ ("foo");
__asm__(".type foo, %gnu_indirect_function");

void * 
foo_ifunc (void)
{
  switch (global)
    {
    case 1:
      return one;
    case -1:
      return minus_one;
    default:
      return zero;
    }
}

void * foo_hidden_ifunc (void) __asm__ ("foo_hidden");
__asm__(".type foo_hidden, %gnu_indirect_function");

void * 
foo_hidden_ifunc (void)
{
  switch (global)
    {
    case 1:
      return minus_one;
    case -1:
      return one;
    default:
      return zero;
    }
}

void * foo_protected_ifunc (void) __asm__ ("foo_protected");
__asm__(".type foo_protected, %gnu_indirect_function");

void * 
foo_protected_ifunc (void)
{
  switch (global)
    {
    case 1:
      return one;
    case -1:
      return zero;
    default:
      return minus_one;
    }
}

/* Test hidden indirect function.  */
__asm__(".hidden foo_hidden");

/* Test protected indirect function.  */
__asm__(".protected foo_protected");