mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-14 01:00:07 +00:00
581c785bf3
I used these shell commands: ../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright (cd ../glibc && git commit -am"[this commit message]") and then ignored the output, which consisted lines saying "FOO: warning: copyright statement not found" for each of 7061 files FOO. I then removed trailing white space from math/tgmath.h, support/tst-support-open-dev-null-range.c, and sysdeps/x86_64/multiarch/strlen-vec.S, to work around the following obscure pre-commit check failure diagnostics from Savannah. I don't know why I run into these diagnostics whereas others evidently do not. remote: *** 912-#endif remote: *** 913: remote: *** 914- remote: *** error: lines with trailing whitespace found ... remote: *** error: sysdeps/unix/sysv/linux/statx_cp.c: trailing lines
88 lines
2.5 KiB
C
88 lines
2.5 KiB
C
/* Common code for tst-dlopen-tlsmodid, tst-dlopen-tlsmodid-pie,
|
|
tst-dlopen-tlsmodid-container.
|
|
|
|
Verify that incorrectly dlopen()ing an executable without
|
|
__RTLD_OPENEXEC does not cause assertion in ld.so, and that it
|
|
actually results in an error.
|
|
|
|
Copyright (C) 2014-2022 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/>. */
|
|
|
|
/* Before including this file, the macro TST_DLOPEN_TLSMODID_PATH must
|
|
be defined, to specify the path used for the open operation. */
|
|
|
|
#include <dlfcn.h>
|
|
#include <pthread.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <support/check.h>
|
|
#include <support/support.h>
|
|
#include <support/xthread.h>
|
|
|
|
__thread int x;
|
|
|
|
void *
|
|
fn (void *p)
|
|
{
|
|
return p;
|
|
}
|
|
|
|
/* Call dlopen and check that fails with an error message indicating
|
|
an attempt to open an ET_EXEC or PIE object. */
|
|
static void
|
|
check_dlopen_failure (void)
|
|
{
|
|
void *handle = dlopen (TST_DLOPEN_TLSMODID_PATH, RTLD_LAZY);
|
|
if (handle != NULL)
|
|
FAIL_EXIT1 ("dlopen succeeded unexpectedly: %s", TST_DLOPEN_TLSMODID_PATH);
|
|
|
|
const char *message = dlerror ();
|
|
TEST_VERIFY_EXIT (message != NULL);
|
|
if ((strstr (message,
|
|
"cannot dynamically load position-independent executable")
|
|
== NULL)
|
|
&& strstr (message, "cannot dynamically load executable") == NULL)
|
|
FAIL_EXIT1 ("invalid dlopen error message: \"%s\"", message);
|
|
}
|
|
|
|
static int
|
|
do_test (int argc, char *argv[])
|
|
{
|
|
int j;
|
|
|
|
for (j = 0; j < 100; ++j)
|
|
{
|
|
pthread_t thr;
|
|
|
|
check_dlopen_failure ();
|
|
|
|
/* We create threads to force TLS allocation, which triggers
|
|
the original bug i.e. running out of surplus slotinfo entries
|
|
for TLS. */
|
|
thr = xpthread_create (NULL, fn, NULL);
|
|
xpthread_join (thr);
|
|
}
|
|
|
|
check_dlopen_failure ();
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define TEST_FUNCTION_ARGV do_test
|
|
#include <support/test-driver.c>
|