Commit | Line | Data |
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40e03b68 KM |
1 | /* syscall.h */ |
2 | ||
3 | #ifndef _ASM_PARISC_SYSCALL_H_ | |
4 | #define _ASM_PARISC_SYSCALL_H_ | |
5 | ||
ce5d1128 EP |
6 | #include <uapi/linux/audit.h> |
7 | #include <linux/compat.h> | |
40e03b68 KM |
8 | #include <linux/err.h> |
9 | #include <asm/ptrace.h> | |
10 | ||
11 | static inline long syscall_get_nr(struct task_struct *tsk, | |
12 | struct pt_regs *regs) | |
13 | { | |
14 | return regs->gr[20]; | |
15 | } | |
16 | ||
17 | static 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 | ||
910cd32e HD |
42 | static 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 | ||
49 | static inline void syscall_rollback(struct task_struct *task, | |
50 | struct pt_regs *regs) | |
51 | { | |
52 | /* do nothing */ | |
53 | } | |
54 | ||
ce5d1128 EP |
55 | static 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 | } | |
40e03b68 | 64 | #endif /*_ASM_PARISC_SYSCALL_H_*/ |