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
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
/* SPDX-License-Identifier: GPL-2.0 */
/* 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>
#define NR_syscalls (__NR_Linux_syscalls)
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 long *args)
{
args[5] = regs->gr[21];
args[4] = regs->gr[22];
args[3] = regs->gr[23];
args[2] = regs->gr[24];
args[1] = regs->gr[25];
args[0] = regs->gr[26];
}
static inline long syscall_get_error(struct task_struct *task,
struct pt_regs *regs)
{
unsigned long error = regs->gr[28];
return IS_ERR_VALUE(error) ? error : 0;
}
static inline long syscall_get_return_value(struct task_struct *task,
struct pt_regs *regs)
{
return regs->gr[28];
}
static inline void syscall_set_return_value(struct task_struct *task,
struct pt_regs *regs,
int error, long val)
{
regs->gr[28] = error ? error : val;
}
static inline void syscall_rollback(struct task_struct *task,
struct pt_regs *regs)
{
/* do nothing */
}
static inline int syscall_get_arch(struct task_struct *task)
{
int arch = AUDIT_ARCH_PARISC;
#ifdef CONFIG_64BIT
if (!__is_compat_task(task))
arch = AUDIT_ARCH_PARISC64;
#endif
return arch;
}
#endif /*_ASM_PARISC_SYSCALL_H_*/
|
