diff options
Diffstat (limited to 'elf/tst-dlsym-error.c')
-rw-r--r-- | elf/tst-dlsym-error.c | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/elf/tst-dlsym-error.c b/elf/tst-dlsym-error.c deleted file mode 100644 index fac8f10ccf..0000000000 --- a/elf/tst-dlsym-error.c +++ /dev/null @@ -1,113 +0,0 @@ -/* Test error reporting for dlsym, dlvsym failures. - Copyright (C) 2016-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <dlfcn.h> -#include <gnu/lib-names.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -/* Used to disambiguate symbol names. */ -static int counter; - -static void -test_one (void *handle, const char *name, void *(func) (void *, const char *), - const char *suffix) -{ - ++counter; - char symbol[32]; - snprintf (symbol, sizeof (symbol), "no_such_symbol_%d", counter); - char *expected_message; - if (asprintf (&expected_message, ": undefined symbol: %s%s", - symbol, suffix) < 0) - { - printf ("error: asprintf: %m\n"); - abort (); - } - - void *addr = func (handle, symbol); - if (addr != NULL) - { - printf ("error: %s: found symbol \"no_such_symbol\"\n", name); - abort (); - } - const char *message = dlerror (); - if (message == NULL) - { - printf ("error: %s: missing error message\n", name); - abort (); - } - const char *message_without_path = strchrnul (message, ':'); - if (strcmp (message_without_path, expected_message) != 0) - { - printf ("error: %s: unexpected error message: %s\n", name, message); - abort (); - } - free (expected_message); - - message = dlerror (); - if (message != NULL) - { - printf ("error: %s: unexpected error message: %s\n", name, message); - abort (); - } -} - -static void -test_handles (const char *name, void *(func) (void *, const char *), - const char *suffix) -{ - test_one (RTLD_DEFAULT, name, func, suffix); - test_one (RTLD_NEXT, name, func, suffix); - - void *handle = dlopen (LIBC_SO, RTLD_LAZY); - if (handle == NULL) - { - printf ("error: cannot dlopen %s: %s\n", LIBC_SO, dlerror ()); - abort (); - } - test_one (handle, name, func, suffix); - dlclose (handle); -} - -static void * -dlvsym_no_such_version (void *handle, const char *name) -{ - return dlvsym (handle, name, "NO_SUCH_VERSION"); -} - -static void * -dlvsym_glibc_private (void *handle, const char *name) -{ - return dlvsym (handle, name, "GLIBC_PRIVATE"); -} - -static int -do_test (void) -{ - test_handles ("dlsym", dlsym, ""); - test_handles ("dlvsym", dlvsym_no_such_version, - ", version NO_SUCH_VERSION"); - test_handles ("dlvsym", dlvsym_glibc_private, - ", version GLIBC_PRIVATE"); - - return 0; -} - - -#include <support/test-driver.c> |