mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-26 04:31:03 +00:00
43 lines
1.5 KiB
C
43 lines
1.5 KiB
C
|
/* Test size of the static TLS surplus reservation for backwards compatibility.
|
||
|
|
Copyright (C) 2020 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 <stdio.h>
|
||
|
|
#include <support/check.h>
|
||
|
|
#include <support/xdlfcn.h>
|
||
|
|
|
||
|
|
static int do_test (void);
|
||
|
|
#include <support/test-driver.c>
|
||
|
|
|
||
|
|
/* This hack results in a definition of struct rtld_global_ro. Do
|
||
|
|
this after all the other header inclusions, to minimize the
|
||
|
|
impact. */
|
||
|
|
#define SHARED
|
||
|
|
#include <ldsodefs.h>
|
||
|
|
|
||
|
|
static
|
||
|
|
int do_test (void)
|
||
|
|
{
|
||
|
|
/* Avoid introducing a copy relocation due to the hidden alias in
|
||
|
|
ld.so. */
|
||
|
|
struct rtld_global_ro *glro = xdlsym (NULL, "_rtld_global_ro");
|
||
|
|
printf ("info: _dl_tls_static_surplus: %zu\n", glro->_dl_tls_static_surplus);
|
||
|
|
/* Hisoric value: 16 * 100 + 64. */
|
||
|
|
TEST_VERIFY (glro->_dl_tls_static_surplus >= 1664);
|
||
|
|
return 0;
|
||
|
|
}
|