mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-22 10:50:07 +00:00
4021f9ea0b
* sysdeps/unix/alpha/sysdep.h (inline_syscall0, inline_syscall1, inline_syscall2, inline_syscall3, inline_syscall4, inline_syscall5, inline_syscall6): Add __volatile__. * sysdeps/unix/sysv/linux/alpha/sysdep.h (INTERNAL_SYSCALL): Add __attribute__((unused)) to ChEcK.
84 lines
2.7 KiB
C
84 lines
2.7 KiB
C
/* Copyright (C) 1992, 1993, 1995, 1996, 1997, 2002, 2003
|
|
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, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#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/alpha/sysdep.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
|
|
#ifdef __STDC__
|
|
# define SYS_ify(syscall_name) __NR_##syscall_name
|
|
#else
|
|
# define SYS_ify(syscall_name) __NR_/**/syscall_name
|
|
#endif
|
|
|
|
/* 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
|
|
|
|
/*
|
|
* In order to get the hidden arguments for rt_sigaction set up
|
|
* properly, we need to call the assembly version. Detect this in the
|
|
* INLINE_SYSCALL macro, and fail to expand inline in that case.
|
|
*/
|
|
|
|
#undef INLINE_SYSCALL
|
|
#define INLINE_SYSCALL(name, nr, args...) \
|
|
(__NR_##name == __NR_rt_sigaction \
|
|
? __syscall_##name(args) \
|
|
: 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 */
|