d7c5e82c08
NR_syscalls macro holds the number of system call exist in ia64 architecture. We have to change the value of NR- _syscalls, if we add or delete a system call. One of the patch in this patch series has a script which will generate a uapi header based on syscall.tbl file. The syscall.tbl file contains the total number of system calls information. So we have two option to update NR_sy- scalls value. 1. Update NR_syscalls in asm/unistd.h manually by count- ing the no.of system calls. No need to update NR_sys- calls until we either add a new system call or delete existing system call. 2. We can keep this feature it above mentioned script, that will count the number of syscalls and keep it in a generated file. In this case we don't need to expli- citly update NR_syscalls in asm/unistd.h file. The 2nd option will be the recommended one. For that, I added the __NR_syscalls macro in uapi/asm/unistd.h along with NR_syscalls asm/unistd.h. The macro __NR_syscalls also added for making the name convention same across all architecture. While __NR_syscalls isn't strictly part of the uapi, having it as part of the generated header to simplifies the implementation. We also need to enclose this macro with #ifdef __KERNEL__ to avoid side effects. Signed-off-by: Firoz Khan <firoz.khan@linaro.org> Signed-off-by: Tony Luck <tony.luck@intel.com>
53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* IA-64 Linux syscall numbers and inline-functions.
|
|
*
|
|
* Copyright (C) 1998-2005 Hewlett-Packard Co
|
|
* David Mosberger-Tang <davidm@hpl.hp.com>
|
|
*/
|
|
#ifndef _ASM_IA64_UNISTD_H
|
|
#define _ASM_IA64_UNISTD_H
|
|
|
|
#include <uapi/asm/unistd.h>
|
|
|
|
#define NR_syscalls __NR_syscalls /* length of syscall table */
|
|
|
|
/*
|
|
* The following defines stop scripts/checksyscalls.sh from complaining about
|
|
* unimplemented system calls. Glibc provides for each of these by using
|
|
* more modern equivalent system calls.
|
|
*/
|
|
#define __IGNORE_fork /* clone() */
|
|
#define __IGNORE_time /* gettimeofday() */
|
|
#define __IGNORE_alarm /* setitimer(ITIMER_REAL, ... */
|
|
#define __IGNORE_pause /* rt_sigprocmask(), rt_sigsuspend() */
|
|
#define __IGNORE_utime /* utimes() */
|
|
#define __IGNORE_getpgrp /* getpgid() */
|
|
#define __IGNORE_vfork /* clone() */
|
|
#define __IGNORE_umount2 /* umount() */
|
|
|
|
#define __ARCH_WANT_NEW_STAT
|
|
#define __ARCH_WANT_SYS_UTIME
|
|
|
|
#if !defined(__ASSEMBLY__) && !defined(ASSEMBLER)
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/linkage.h>
|
|
#include <linux/compiler.h>
|
|
|
|
extern long __ia64_syscall (long a0, long a1, long a2, long a3, long a4, long nr);
|
|
|
|
asmlinkage unsigned long sys_mmap(
|
|
unsigned long addr, unsigned long len,
|
|
int prot, int flags,
|
|
int fd, long off);
|
|
asmlinkage unsigned long sys_mmap2(
|
|
unsigned long addr, unsigned long len,
|
|
int prot, int flags,
|
|
int fd, long pgoff);
|
|
struct pt_regs;
|
|
asmlinkage long sys_ia64_pipe(void);
|
|
|
|
#endif /* !__ASSEMBLY__ */
|
|
#endif /* _ASM_IA64_UNISTD_H */
|