mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-21 20:40:05 +00:00
81 lines
1.9 KiB
C
81 lines
1.9 KiB
C
/* Test for dependency tracking added by relocations.
|
|
Copyright (C) 2000-2024 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 <dlfcn.h>
|
|
#include <error.h>
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
|
|
static void *
|
|
load (const char *name)
|
|
{
|
|
void *d = dlopen (name, RTLD_LAZY | RTLD_GLOBAL);
|
|
if (d == NULL)
|
|
error (EXIT_FAILURE, errno, "cannot load `%s'", name);
|
|
return d;
|
|
}
|
|
|
|
|
|
#define TEST_FUNCTION do_test ()
|
|
extern int do_test (void);
|
|
|
|
int
|
|
do_test (void)
|
|
{
|
|
void *d1;
|
|
void *d2;
|
|
int (*f) (void);
|
|
|
|
d1 = load ("glreflib1.so");
|
|
d2 = load ("glreflib2.so");
|
|
|
|
f = dlsym (d2, "ref2");
|
|
if (f == NULL)
|
|
error (EXIT_FAILURE, errno, "cannot get pointer to `%s'", "ref2");
|
|
|
|
if (f () != 42)
|
|
error (EXIT_FAILURE, 0, "wrong result from `%s'", "ref2");
|
|
|
|
puts ("Correct result in first call");
|
|
fflush (stdout);
|
|
|
|
/* Now unload the first file. */
|
|
dlclose (d1);
|
|
|
|
puts ("About to call the second time");
|
|
fflush (stdout);
|
|
|
|
/* Try calling the function again. */
|
|
if (f () != 42)
|
|
error (EXIT_FAILURE, 0, "wrong result from `%s' (second call)", "ref2");
|
|
|
|
puts ("Second call succeeded!");
|
|
fflush (stdout);
|
|
|
|
dlclose (d2);
|
|
|
|
puts ("glreflib2 also closed");
|
|
fflush (stdout);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#include "../test-skeleton.c"
|