1 /* Test dl_cache_line_size from a dlopen'ed DSO from a static executable. 2 Copyright (C) 2020-2021 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, see 17 <https://www.gnu.org/licenses/>. */ 18 19 #include <dlfcn.h> 20 #include <stdio.h> 21 #include <errno.h> 22 23 int test_cache(int *); 24 25 static int do_test(void)26do_test (void) 27 { 28 int ret; 29 void *handle; 30 int (*test_cache) (int *); 31 32 handle = dlopen ("mod-cache-ppc.so", RTLD_LAZY | RTLD_LOCAL); 33 if (handle == NULL) 34 { 35 printf ("dlopen (mod-cache-ppc.so): %s\n", dlerror ()); 36 return 1; 37 } 38 39 test_cache = dlsym (handle, "test_cache"); 40 if (test_cache == NULL) 41 { 42 printf ("dlsym (test_cache): %s\n", dlerror ()); 43 return 1; 44 } 45 46 ret = test_cache(&errno); 47 48 test_cache = NULL; 49 dlclose (handle); 50 51 return ret; 52 } 53 54 #include <support/test-driver.c> 55