/* Copyright (C) 1992-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>, August 1995.

   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/>.  */

#ifndef _LINUX_ALPHA_SYSDEP_H

#define _LINUX_ALPHA_SYSDEP_H 1

#ifdef __ASSEMBLER__

#include <asm/pal.h>

#include <alpha/regdef.h>

#endif

/* There is some commonality.  */

#include <sysdeps/unix/sysv/linux/sysdep.h>

#include <sysdeps/unix/alpha/sysdep.h>

#include <tls.h>

/* For Linux we can use the system call table in the header file

	/usr/include/asm/unistd.h

   of the kernel.  But these symbols do not follow the SYS_* syntax

   so we have to redefine the `SYS_ify' macro here.  */

#undef SYS_ify

#define SYS_ify(syscall_name)	__NR_##syscall_name

/* Define some aliases to make automatic syscall generation work

   properly.  The SYS_* variants are for the benefit of the files in

   sysdeps/unix.  */

#define __NR_getpid	__NR_getxpid

#define __NR_getuid	__NR_getxuid

#define __NR_getgid	__NR_getxgid

#define SYS_getpid	__NR_getxpid

#define SYS_getuid	__NR_getxuid

#define SYS_getgid	__NR_getxgid

/*

 * Some syscalls no Linux program should know about:

 */

#define __NR_osf_sigprocmask	 48

#define __NR_osf_shmat		209

#define __NR_osf_getsysinfo	256

#define __NR_osf_setsysinfo	257

/* Help old kernel headers where particular syscalls are not available.  */

#ifndef __NR_semtimedop

# define __NR_semtimedop	423

#endif

/* This is a kludge to make syscalls.list find these under the names

   pread and pwrite, since some kernel headers define those names

   and some define the *64 names for the same system calls.  */

#if !defined __NR_pread && defined __NR_pread64

# define __NR_pread __NR_pread64

#endif

#if !defined __NR_pwrite && defined __NR_pwrite64

# define __NR_pwrite __NR_pwrite64

#endif

#define SINGLE_THREAD_BY_GLOBAL 1

/*

 * In order to get the hidden arguments for rt_sigaction set up

 * properly, we need to call the assembly version.  This shouldn't

 * happen except for inside sigaction.c, where we handle this

 * specially.  Catch other uses and error.

 */

#undef INLINE_SYSCALL

#define INLINE_SYSCALL(name, nr, args...)				\

({									\

	extern char ChEcK[__NR_##name == __NR_rt_sigaction ? -1 : 1]	\

	  __attribute__((unused));					\

	INLINE_SYSCALL1(name, nr, args);				\

})

#undef INTERNAL_SYSCALL

#define INTERNAL_SYSCALL(name, err_out, nr, args...)			\

({									\

	extern char ChEcK[__NR_##name == __NR_rt_sigaction ? -1 : 1]	\

	  __attribute__((unused));					\

	INTERNAL_SYSCALL1(name, err_out, nr, args);			\

})

#endif /* _LINUX_ALPHA_SYSDEP_H */