diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/generic/sysdep.h')
-rw-r--r-- | sysdeps/unix/sysv/linux/generic/sysdep.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/generic/sysdep.h b/sysdeps/unix/sysv/linux/generic/sysdep.h new file mode 100644 index 0000000000..f1ba2589e6 --- /dev/null +++ b/sysdeps/unix/sysv/linux/generic/sysdep.h @@ -0,0 +1,41 @@ +/* Copyright (C) 2011-2014 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. + + 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 + <http://www.gnu.org/licenses/>. */ + +#include <bits/wordsize.h> +#include <kernel-features.h> + +/* Provide the common name to allow more code reuse. */ +#define __NR__llseek __NR_llseek + +#if __WORDSIZE == 64 +/* By defining the older names, glibc will build syscall wrappers for + both pread and pread64; sysdeps/unix/sysv/linux/wordsize-64/pread64.c + will suppress generating any separate code for pread64.c. */ +#define __NR_pread __NR_pread64 +#define __NR_pwrite __NR_pwrite64 +#endif + +/* Provide a dummy argument that can be used to force register + alignment for register pairs if required by the syscall ABI. */ +#ifdef __ASSUME_ALIGNED_REGISTER_PAIRS +#define __ALIGNMENT_ARG 0, +#define __ALIGNMENT_COUNT(a,b) b +#else +#define __ALIGNMENT_ARG +#define __ALIGNMENT_COUNT(a,b) a +#endif |