glibc/elf/tst-tls-ie-mod.h

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/* Module with specified TLS size and model.
Copyright (C) 2020-2022 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/>. */
/* This file is parameterized by macros N, SIZE and MODEL. */
#include <stdio.h>
#include <string.h>
#define CONCATX(x, y) x ## y
#define CONCAT(x, y) CONCATX (x, y)
#define STRX(x) #x
#define STR(x) STRX (x)
#define VAR CONCAT (var, N)
__attribute__ ((aligned (8), tls_model (MODEL)))
__thread char VAR[SIZE];
void
CONCAT (access, N) (void)
{
printf (STR (VAR) "[%d]:\t %p .. %p " MODEL "\n", SIZE, VAR, VAR + SIZE);
fflush (stdout);
memset (VAR, 1, SIZE);
}