36 lines · c
1// SPDX-License-Identifier: GPL-2.02#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 for9 * 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}36