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
|
#include <dlfcn.h>
#include <stdio.h>
#include <string.h>
extern int test_in_mod1 (void *);
extern int test_in_mod2 (void *);
int
main (int argc, char *argv[])
{
int (*ifp) (void);
void *p;
int result = 0;
Dl_info info;
dladdr(main, &info);
if (info.dli_fname == NULL)
{
printf ("%s: dladdr returns NULL dli_fname\n", __FILE__);
result = 1;
}
else if (strcmp (info.dli_fname, argv[0]))
{
printf ("%s: dladdr returned '%s' as dli_fname\n", __FILE__, info.dli_fname);
result = 1;
}
else
printf ("%s: dladdr returned correct dli_fname\n", __FILE__);
/* Find function `main'. */
p = dlsym (RTLD_DEFAULT, "main");
if (p == NULL)
{
printf ("%s: main not found\n", __FILE__);
result = 1;
}
else if ((int (*)(int, char **))p != main)
{
printf ("%s: wrong address returned for main\n", __FILE__);
result = 1;
}
else
printf ("%s: main correctly found\n", __FILE__);
ifp = dlsym (RTLD_DEFAULT, "found_in_mod1");
if ((void *) ifp == NULL)
{
printf ("%s: found_in_mod1 not found\n", __FILE__);
result = 1;
}
else if (ifp () != 1)
{
printf ("%s: wrong address returned for found_in_mod1\n", __FILE__);
result = 1;
}
else
printf ("%s: found_in_mod1 correctly found\n", __FILE__);
ifp = dlsym (RTLD_DEFAULT, "found_in_mod2");
if ((void *) ifp == NULL)
{
printf ("%s: found_in_mod2 not found\n", __FILE__);
result = 1;
}
else if (ifp () != 2)
{
printf ("%s: wrong address returned for found_in_mod2\n", __FILE__);
result = 1;
}
else
printf ("%s: found_in_mod2 correctly found\n", __FILE__);
result |= test_in_mod1 (main);
result |= test_in_mod2 (main);
return result;
}
|
