| /* Copyright (C) 1992-2014 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 */ |