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
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
|
#include <dlfcn.h>
#include <stdio.h>
#include <stdlib.h>
#include <link.h>
#define TEST_FUNCTION do_test ()
static int
do_test (void)
{
#ifdef USE_TLS
static const char modname1[] = "tst-tlsmod3.so";
static const char modname2[] = "tst-tlsmod4.so";
int result = 0;
int (*fp1) (void);
int (*fp2) (int, int *);
void *h1;
void *h2;
int i;
size_t modid1 = (size_t) -1;
size_t modid2 = (size_t) -1;
int *bazp;
for (i = 0; i < 10; ++i)
{
h1 = dlopen (modname1, RTLD_LAZY);
if (h1 == NULL)
{
printf ("cannot open '%s': %s\n", modname1, dlerror ());
exit (1);
}
fp1 = dlsym (h1, "in_dso2");
if (fp1 == NULL)
{
printf ("cannot get symbol 'in_dso2' in %s\n", modname1);
exit (1);
}
result |= fp1 ();
h2 = dlopen (modname2, RTLD_LAZY);
if (h2 == NULL)
{
printf ("cannot open '%s': %s\n", modname2, dlerror ());
exit (1);
}
bazp = dlsym (h2, "baz");
if (bazp == NULL)
{
printf ("cannot get symbol 'baz' in %s\n", modname2);
exit (1);
}
*bazp = 42 + i;
fp2 = dlsym (h2, "in_dso");
if (fp2 == NULL)
{
printf ("cannot get symbol 'in_dso' in %s\n", modname2);
exit (1);
}
result |= fp2 (42 + i, bazp);
dlclose (h1);
dlclose (h2);
h1 = dlopen (modname1, RTLD_LAZY);
if (h1 == NULL)
{
printf ("cannot open '%s': %s\n", modname1, dlerror ());
exit (1);
}
fp1 = dlsym (h1, "in_dso2");
if (fp1 == NULL)
{
printf ("cannot get symbol 'in_dso2' in %s\n", modname1);
exit (1);
}
result |= fp1 ();
h2 = dlopen (modname2, RTLD_LAZY);
if (h2 == NULL)
{
printf ("cannot open '%s': %s\n", modname2, dlerror ());
exit (1);
}
bazp = dlsym (h2, "baz");
if (bazp == NULL)
{
printf ("cannot get symbol 'baz' in %s\n", modname2);
exit (1);
}
*bazp = 62 + i;
fp2 = dlsym (h2, "in_dso");
if (fp2 == NULL)
{
printf ("cannot get symbol 'in_dso' in %s\n", modname2);
exit (1);
}
result |= fp2 (62 + i, bazp);
/* This time the dlclose calls are in reverse order. */
dlclose (h2);
dlclose (h1);
}
return result;
#else
return 0;
#endif
}
#include "../test-skeleton.c"
|
