glibc/elf/tst-audit-tlsdesc-dlopen.c

68 lines
1.9 KiB
C

/* DT_AUDIT with modules with TLSDESC.
Copyright (C) 2021-2024 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
<https://www.gnu.org/licenses/>. */
#include <support/check.h>
#include <support/xthread.h>
#include <support/xdlfcn.h>
static void *
thr_func (void *mod)
{
int* (*get_global1)(void) = xdlsym (mod, "get_global1");
int* (*get_global2)(void) = xdlsym (mod, "get_global2");
void (*set_global2)(int) = xdlsym (mod, "set_global2");
int* (*get_local1)(void) = xdlsym (mod, "get_local1");
int* (*get_local2)(void) = xdlsym (mod, "get_local2");
int *global1 = get_global1 ();
TEST_COMPARE (*global1, 0);
++*global1;
int *global2 = get_global2 ();
TEST_COMPARE (*global2, 0);
++*global2;
TEST_COMPARE (*global2, 1);
set_global2 (10);
TEST_COMPARE (*global2, 10);
int *local1 = get_local1 ();
TEST_COMPARE (*local1, 0);
++*local1;
int *local2 = get_local2 ();
TEST_COMPARE (*local2, 0);
++*local2;
return 0;
}
static int
do_test (void)
{
void *mod = xdlopen ("tst-audit-tlsdesc-mod1.so", RTLD_LAZY);
pthread_t thr = xpthread_create (NULL, thr_func, mod);
void *r = xpthread_join (thr);
TEST_VERIFY (r == NULL);
return 0;
}
#include <support/test-driver.c>