18c2ecf20Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0 28c2ecf20Sopenharmony_ci#include <stdio.h> 38c2ecf20Sopenharmony_ci#include <string.h> 48c2ecf20Sopenharmony_ci 58c2ecf20Sopenharmony_ci#define VDSO__MAP_NAME "[vdso]" 68c2ecf20Sopenharmony_ci 78c2ecf20Sopenharmony_ci/* 88c2ecf20Sopenharmony_ci * Include definition of find_map() also used in util/vdso.c for 98c2ecf20Sopenharmony_ci * building perf. 108c2ecf20Sopenharmony_ci */ 118c2ecf20Sopenharmony_ci#include "util/find-map.c" 128c2ecf20Sopenharmony_ci 138c2ecf20Sopenharmony_ciint main(void) 148c2ecf20Sopenharmony_ci{ 158c2ecf20Sopenharmony_ci void *start, *end; 168c2ecf20Sopenharmony_ci size_t size, written; 178c2ecf20Sopenharmony_ci 188c2ecf20Sopenharmony_ci if (find_map(&start, &end, VDSO__MAP_NAME)) 198c2ecf20Sopenharmony_ci return 1; 208c2ecf20Sopenharmony_ci 218c2ecf20Sopenharmony_ci size = end - start; 228c2ecf20Sopenharmony_ci 238c2ecf20Sopenharmony_ci while (size) { 248c2ecf20Sopenharmony_ci written = fwrite(start, 1, size, stdout); 258c2ecf20Sopenharmony_ci if (!written) 268c2ecf20Sopenharmony_ci return 1; 278c2ecf20Sopenharmony_ci start += written; 288c2ecf20Sopenharmony_ci size -= written; 298c2ecf20Sopenharmony_ci } 308c2ecf20Sopenharmony_ci 318c2ecf20Sopenharmony_ci if (fflush(stdout)) 328c2ecf20Sopenharmony_ci return 1; 338c2ecf20Sopenharmony_ci 348c2ecf20Sopenharmony_ci return 0; 358c2ecf20Sopenharmony_ci} 36