Blame view

kernel/linux-rt-4.4.41/arch/parisc/include/asm/syscall.h 929 Bytes
5113f6f70   김현기   kernel add
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
  /* syscall.h */
  
  #ifndef _ASM_PARISC_SYSCALL_H_
  #define _ASM_PARISC_SYSCALL_H_
  
  #include <uapi/linux/audit.h>
  #include <linux/compat.h>
  #include <linux/err.h>
  #include <asm/ptrace.h>
  
  static inline long syscall_get_nr(struct task_struct *tsk,
  				  struct pt_regs *regs)
  {
  	return regs->gr[20];
  }
  
  static inline void syscall_get_arguments(struct task_struct *tsk,
  					 struct pt_regs *regs, unsigned int i,
  					 unsigned int n, unsigned long *args)
  {
  	BUG_ON(i);
  
  	switch (n) {
  	case 6:
  		args[5] = regs->gr[21];
  	case 5:
  		args[4] = regs->gr[22];
  	case 4:
  		args[3] = regs->gr[23];
  	case 3:
  		args[2] = regs->gr[24];
  	case 2:
  		args[1] = regs->gr[25];
  	case 1:
  		args[0] = regs->gr[26];
  		break;
  	default:
  		BUG();
  	}
  }
  
  static inline int syscall_get_arch(void)
  {
  	int arch = AUDIT_ARCH_PARISC;
  #ifdef CONFIG_64BIT
  	if (!is_compat_task())
  		arch = AUDIT_ARCH_PARISC64;
  #endif
  	return arch;
  }
  #endif /*_ASM_PARISC_SYSCALL_H_*/