2 * Access to user system call parameters and results
4 * Copyright (C) 2008 Intel Corp. Shaohua Li <shaohua.li@intel.com>
6 * This copyrighted material is made available to anyone wishing to use,
7 * modify, copy, or redistribute it subject to the terms and conditions
8 * of the GNU General Public License v.2.
10 * See asm-generic/syscall.h for descriptions of what we must do here.
13 #ifndef _ASM_SYSCALL_H
14 #define _ASM_SYSCALL_H 1
16 #include <uapi/linux/audit.h>
17 #include <linux/sched.h>
18 #include <linux/err.h>
20 static inline long syscall_get_nr(struct task_struct *task,
23 if ((long)regs->cr_ifs < 0) /* Not a syscall */
29 static inline void syscall_rollback(struct task_struct *task,
35 static inline long syscall_get_error(struct task_struct *task,
38 return regs->r10 == -1 ? regs->r8:0;
41 static inline long syscall_get_return_value(struct task_struct *task,
47 static inline void syscall_set_return_value(struct task_struct *task,
52 /* error < 0, but ia64 uses > 0 return value */
61 extern void ia64_syscall_get_set_arguments(struct task_struct *task,
62 struct pt_regs *regs, unsigned long *args, int rw);
63 static inline void syscall_get_arguments(struct task_struct *task,
67 ia64_syscall_get_set_arguments(task, regs, args, 0);
70 static inline void syscall_set_arguments(struct task_struct *task,
74 ia64_syscall_get_set_arguments(task, regs, args, 1);
77 static inline int syscall_get_arch(struct task_struct *task)
79 return AUDIT_ARCH_IA64;
81 #endif /* _ASM_SYSCALL_H */