1#include <unistd.h>
2
3/* Give init non-default priority so that it runs before init_array. */
4static void init (void) __attribute__ ((constructor (1000)));
5
6static void
7init (void)
8{
9 write (STDOUT_FILENO, buf: "DSO init\n", n: 9);
10}
11
12/* Give fini the same priority as init. */
13static void fini (void) __attribute__ ((destructor (1000)));
14
15static void
16fini (void)
17{
18 write (STDOUT_FILENO, buf: "DSO fini\n", n: 9);
19}
20
21static void
22init_0 (void)
23{
24 write (STDOUT_FILENO, buf: "DSO init array 0\n", n: 17);
25}
26
27static void
28init_1 (void)
29{
30 write (STDOUT_FILENO, buf: "DSO init array 1\n", n: 17);
31}
32
33static void
34init_2 (void)
35{
36 write (STDOUT_FILENO, buf: "DSO init array 2\n", n: 17);
37}
38
39void (*init_array []) (void)
40 __attribute__ ((section (".init_array"), aligned (sizeof (void *)))) =
41{
42 &init_0,
43 &init_1,
44 &init_2
45};
46
47static void
48fini_0 (void)
49{
50 write (STDOUT_FILENO, buf: "DSO fini array 0\n", n: 17);
51}
52
53static void
54fini_1 (void)
55{
56 write (STDOUT_FILENO, buf: "DSO fini array 1\n", n: 17);
57}
58
59static void
60fini_2 (void)
61{
62 write (STDOUT_FILENO, buf: "DSO fini array 2\n", n: 17);
63}
64
65void (*fini_array []) (void)
66 __attribute__ ((section (".fini_array"), aligned (sizeof (void *)))) =
67{
68 &fini_0,
69 &fini_1,
70 &fini_2
71};
72

source code of glibc/elf/tst-array2dep.c