1 // SPDX-License-Identifier: GPL-2.0
2 #include <stdio.h>
3 #include <string.h>
4
5 #define VDSO__MAP_NAME "[vdso]"
6
7 /*
8 * Include definition of find_map() also used in util/vdso.c for
9 * building perf.
10 */
11 #include "util/find-map.c"
12
13 int main(void)
14 {
15 void *start, *end;
16 size_t size, written;
17
18 if (find_map(&start, &end, VDSO__MAP_NAME))
19 return 1;
20
21 size = end - start;
22
23 while (size) {
24 written = fwrite(start, 1, size, stdout);
25 if (!written)
26 return 1;
27 start += written;
28 size -= written;
29 }
30
31 if (fflush(stdout))
32 return 1;
33
34 return 0;
35 }
36
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