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Linux kernel mirror (for testing)
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kernel
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linux
1/* syscall.h */
2
3#ifndef _ASM_PARISC_SYSCALL_H_
4#define _ASM_PARISC_SYSCALL_H_
5
6#include <uapi/linux/audit.h>
7#include <linux/compat.h>
8#include <linux/err.h>
9#include <asm/ptrace.h>
10
11static inline long syscall_get_nr(struct task_struct *tsk,
12 struct pt_regs *regs)
13{
14 return regs->gr[20];
15}
16
17static inline void syscall_get_arguments(struct task_struct *tsk,
18 struct pt_regs *regs, unsigned int i,
19 unsigned int n, unsigned long *args)
20{
21 BUG_ON(i);
22
23 switch (n) {
24 case 6:
25 args[5] = regs->gr[21];
26 case 5:
27 args[4] = regs->gr[22];
28 case 4:
29 args[3] = regs->gr[23];
30 case 3:
31 args[2] = regs->gr[24];
32 case 2:
33 args[1] = regs->gr[25];
34 case 1:
35 args[0] = regs->gr[26];
36 break;
37 default:
38 BUG();
39 }
40}
41
42static inline void syscall_set_return_value(struct task_struct *task,
43 struct pt_regs *regs,
44 int error, long val)
45{
46 regs->gr[28] = error ? error : val;
47}
48
49static inline void syscall_rollback(struct task_struct *task,
50 struct pt_regs *regs)
51{
52 /* do nothing */
53}
54
55static inline int syscall_get_arch(void)
56{
57 int arch = AUDIT_ARCH_PARISC;
58#ifdef CONFIG_64BIT
59 if (!is_compat_task())
60 arch = AUDIT_ARCH_PARISC64;
61#endif
62 return arch;
63}
64#endif /*_ASM_PARISC_SYSCALL_H_*/