1 /* Module with specified TLS size and model.
2 Copyright (C) 2020-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19 /* This file is parameterized by macros N, SIZE and MODEL. */
20
21 #include <stdio.h>
22 #include <string.h>
23
24 #define CONCATX(x, y) x ## y
25 #define CONCAT(x, y) CONCATX (x, y)
26 #define STRX(x) #x
27 #define STR(x) STRX (x)
28
29 #define VAR CONCAT (var, N)
30
31 __attribute__ ((aligned (8), tls_model (MODEL)))
32 __thread char VAR[SIZE];
33
34 void
CONCAT(access,N)35 CONCAT (access, N) (void)
36 {
37 printf (STR (VAR) "[%d]:\t %p .. %p " MODEL "\n", SIZE, VAR, VAR + SIZE);
38 fflush (stdout);
39 memset (VAR, 1, SIZE);
40 }
41