From 46f1d8a6b54fc7ed7a7047d5d2ed1a0b884de6c0 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Mon, 30 Jun 2014 11:19:22 -0700 Subject: ARM: Split Linuxism out of sysdeps/arm/nptl/tls.h --- sysdeps/unix/sysv/linux/arm/tls.h | 42 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 sysdeps/unix/sysv/linux/arm/tls.h (limited to 'sysdeps/unix') diff --git a/sysdeps/unix/sysv/linux/arm/tls.h b/sysdeps/unix/sysv/linux/arm/tls.h new file mode 100644 index 0000000000..bfb76b3709 --- /dev/null +++ b/sysdeps/unix/sysv/linux/arm/tls.h @@ -0,0 +1,42 @@ +/* Definition for thread-local data handling. ARM/Linux version. + Copyright (C) 2005-2014 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 + . */ + +#ifndef _LINUX_ARM_TLS_H +#define _LINUX_ARM_TLS_H 1 + +/* Almost everything is OS-independent and common for all NPTL on ARM. */ +#include + +#ifndef __ASSEMBLER__ + +/* Get system call information. */ +# include + +/* Code to initially initialize the thread pointer. This might need + special attention since 'errno' is not yet available and if the + operation can cause a failure 'errno' must not be touched. */ +# define TLS_INIT_TP(tcbp) \ + ({ INTERNAL_SYSCALL_DECL (err); \ + long int result_var; \ + result_var = INTERNAL_SYSCALL_ARM (set_tls, err, 1, (tcbp)); \ + INTERNAL_SYSCALL_ERROR_P (result_var, err) \ + ? "unknown error" : NULL; }) + +#endif /* __ASSEMBLER__ */ + +#endif /* tls.h */ -- cgit v1.2.3