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