18 syscall_get_nr(struct task_struct *task, struct pt_regs *regs)  in syscall_get_nr()  argument
20 	if (user_mode(regs) && in_syscall(regs))  in syscall_get_nr()
21 		return regs->r8;  in syscall_get_nr()
27 syscall_rollback(struct task_struct *task, struct pt_regs *regs)  in syscall_rollback()  argument
29 	regs->r0 = regs->orig_r0;  in syscall_rollback()
33 syscall_get_error(struct task_struct *task, struct pt_regs *regs)  in syscall_get_error()  argument
36 	return IS_ERR_VALUE(regs->r0) ? regs->r0 : 0;  in syscall_get_error()
40 syscall_get_return_value(struct task_struct *task, struct pt_regs *regs)  in syscall_get_return_value()  argument
42 	return regs->r0;  in syscall_get_return_value()
46 syscall_set_return_value(struct task_struct *task, struct pt_regs *regs,  in syscall_set_return_value()  argument
49 	regs->r0 = (long) error ?: val;  in syscall_set_return_value()
57 syscall_get_arguments(struct task_struct *task, struct pt_regs *regs,  in syscall_get_arguments()  argument
60 	unsigned long *inside_ptregs = &(regs->r0);  in syscall_get_arguments()