| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame^] | 1 | /* Test for dependency tracking added by relocations. |
| 2 | Copyright (C) 2000-2016 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 | <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #include <dlfcn.h> |
| 20 | #include <error.h> |
| 21 | #include <errno.h> |
| 22 | #include <stdio.h> |
| 23 | #include <stdlib.h> |
| 24 | |
| 25 | |
| 26 | static void * |
| 27 | load (const char *name) |
| 28 | { |
| 29 | void *d = dlopen (name, RTLD_LAZY | RTLD_GLOBAL); |
| 30 | if (d == NULL) |
| 31 | error (EXIT_FAILURE, errno, "cannot load `%s'", name); |
| 32 | return d; |
| 33 | } |
| 34 | |
| 35 | |
| 36 | #define TEST_FUNCTION do_test () |
| 37 | extern int do_test (void); |
| 38 | |
| 39 | int |
| 40 | do_test (void) |
| 41 | { |
| 42 | void *d1; |
| 43 | void *d2; |
| 44 | int (*f) (void); |
| 45 | |
| 46 | d1 = load ("glreflib1.so"); |
| 47 | d2 = load ("glreflib2.so"); |
| 48 | |
| 49 | f = dlsym (d2, "ref2"); |
| 50 | if (f == NULL) |
| 51 | error (EXIT_FAILURE, errno, "cannot get pointer to `%s'", "ref2"); |
| 52 | |
| 53 | if (f () != 42) |
| 54 | error (EXIT_FAILURE, 0, "wrong result from `%s'", "ref2"); |
| 55 | |
| 56 | puts ("Correct result in first call"); |
| 57 | fflush (stdout); |
| 58 | |
| 59 | /* Now unload the first file. */ |
| 60 | dlclose (d1); |
| 61 | |
| 62 | puts ("About to call the second time"); |
| 63 | fflush (stdout); |
| 64 | |
| 65 | /* Try calling the function again. */ |
| 66 | if (f () != 42) |
| 67 | error (EXIT_FAILURE, 0, "wrong result from `%s' (second call)", "ref2"); |
| 68 | |
| 69 | puts ("Second call succeeded!"); |
| 70 | fflush (stdout); |
| 71 | |
| 72 | dlclose (d2); |
| 73 | |
| 74 | puts ("glreflib2 also closed"); |
| 75 | fflush (stdout); |
| 76 | |
| 77 | return 0; |
| 78 | } |
| 79 | |
| 80 | #include "../test-skeleton.c" |