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

 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
13int 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}