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1 | /* Definition for thread-local data handling. ARM/Linux version. |
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2 | Copyright (C) 2005-2022 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 | #ifndef _LINUX_ARM_TLS_H |
20 | #define _LINUX_ARM_TLS_H 1 |
21 | |
22 | /* Almost everything is OS-independent and common for all NPTL on ARM. */ |
23 | #include <sysdeps/arm/nptl/tls.h> |
24 | |
25 | #ifndef __ASSEMBLER__ |
26 | |
27 | /* Get system call information. */ |
28 | # include <sysdep.h> |
29 | |
30 | /* Code to initially initialize the thread pointer. This might need |
31 | special attention since 'errno' is not yet available and if the |
32 | operation can cause a failure 'errno' must not be touched. */ |
33 | # define TLS_INIT_TP(tcbp) \ |
34 | ({ long int result_var; \ |
35 | result_var = INTERNAL_SYSCALL_CALL (set_tls, (tcbp)); \ |
36 | INTERNAL_SYSCALL_ERROR_P (result_var) \ |
37 | ? "unknown error" : NULL; }) |
38 | |
39 | #endif /* __ASSEMBLER__ */ |
40 | |
41 | #endif /* tls.h */ |
42 |
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