diff options
Diffstat (limited to 'ports/sysdeps/unix/sysv/linux/alpha/sysdep.h')
| -rw-r--r-- | ports/sysdeps/unix/sysv/linux/alpha/sysdep.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/ports/sysdeps/unix/sysv/linux/alpha/sysdep.h b/ports/sysdeps/unix/sysv/linux/alpha/sysdep.h new file mode 100644 index 0000000000..329fdbd082 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/alpha/sysdep.h @@ -0,0 +1,95 @@ +/* Copyright (C) 1992-2012 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/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 + +/* + * 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 */ |