1#include <dlfcn.h>
2#include <stdio.h>
3#include <stdlib.h>
4
5
6static int
7do_test (void)
8{
9 static const char modname[] = "tst-tlsmod2.so";
10 int result = 0;
11 int *foop;
12 int *foop2;
13 int (*fp) (int, int *);
14 void *h;
15
16 h = dlopen (file: modname, RTLD_LAZY);
17 if (h == NULL)
18 {
19 printf (format: "cannot open '%s': %s\n", modname, dlerror ());
20 exit (status: 1);
21 }
22
23 foop = dlsym (handle: h, name: "foo");
24 if (foop == NULL)
25 {
26 printf (format: "cannot get symbol 'foo': %s\n", dlerror ());
27 exit (status: 1);
28 }
29
30 *foop = 42;
31
32 fp = dlsym (handle: h, name: "in_dso");
33 if (fp == NULL)
34 {
35 printf (format: "cannot get symbol 'in_dso': %s\n", dlerror ());
36 exit (status: 1);
37 }
38
39 result |= fp (42, foop);
40
41 foop2 = dlsym (handle: h, name: "foo");
42 if (foop2 == NULL)
43 {
44 printf (format: "cannot get symbol 'foo' the second time: %s\n", dlerror ());
45 exit (status: 1);
46 }
47
48 if (foop != foop2)
49 {
50 puts (s: "address of 'foo' different the second time");
51 result = 1;
52 }
53 else if (*foop != 16)
54 {
55 puts (s: "foo != 16");
56 result = 1;
57 }
58
59 dlclose (handle: h);
60
61 return result;
62}
63
64
65#include <support/test-driver.c>
66

source code of glibc/elf/tst-tls5.c