tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifndef _ASM_PARISC_COMPAT_H
2#define _ASM_PARISC_COMPAT_H
3/*
4 * Architecture specific compatibility types
5 */
6#include <linux/types.h>
7#include <linux/sched.h>
8#include <linux/personality.h>
9
10#define COMPAT_USER_HZ 100
11
12typedef u32 compat_size_t;
13typedef s32 compat_ssize_t;
14typedef s32 compat_time_t;
15typedef s32 compat_clock_t;
16typedef s32 compat_pid_t;
17typedef u32 __compat_uid_t;
18typedef u32 __compat_gid_t;
19typedef u32 __compat_uid32_t;
20typedef u32 __compat_gid32_t;
21typedef u16 compat_mode_t;
22typedef u32 compat_ino_t;
23typedef u32 compat_dev_t;
24typedef s32 compat_off_t;
25typedef s64 compat_loff_t;
26typedef u16 compat_nlink_t;
27typedef u16 compat_ipc_pid_t;
28typedef s32 compat_daddr_t;
29typedef u32 compat_caddr_t;
30typedef s32 compat_timer_t;
31
32typedef s32 compat_int_t;
33typedef s32 compat_long_t;
34typedef u32 compat_uint_t;
35typedef u32 compat_ulong_t;
36
37struct compat_timespec {
38 compat_time_t tv_sec;
39 s32 tv_nsec;
40};
41
42struct compat_timeval {
43 compat_time_t tv_sec;
44 s32 tv_usec;
45};
46
47struct compat_stat {
48 compat_dev_t st_dev; /* dev_t is 32 bits on parisc */
49 compat_ino_t st_ino; /* 32 bits */
50 compat_mode_t st_mode; /* 16 bits */
51 compat_nlink_t st_nlink; /* 16 bits */
52 u16 st_reserved1; /* old st_uid */
53 u16 st_reserved2; /* old st_gid */
54 compat_dev_t st_rdev;
55 compat_off_t st_size;
56 compat_time_t st_atime;
57 u32 st_atime_nsec;
58 compat_time_t st_mtime;
59 u32 st_mtime_nsec;
60 compat_time_t st_ctime;
61 u32 st_ctime_nsec;
62 s32 st_blksize;
63 s32 st_blocks;
64 u32 __unused1; /* ACL stuff */
65 compat_dev_t __unused2; /* network */
66 compat_ino_t __unused3; /* network */
67 u32 __unused4; /* cnodes */
68 u16 __unused5; /* netsite */
69 short st_fstype;
70 compat_dev_t st_realdev;
71 u16 st_basemode;
72 u16 st_spareshort;
73 __compat_uid32_t st_uid;
74 __compat_gid32_t st_gid;
75 u32 st_spare4[3];
76};
77
78struct compat_flock {
79 short l_type;
80 short l_whence;
81 compat_off_t l_start;
82 compat_off_t l_len;
83 compat_pid_t l_pid;
84};
85
86struct compat_flock64 {
87 short l_type;
88 short l_whence;
89 compat_loff_t l_start;
90 compat_loff_t l_len;
91 compat_pid_t l_pid;
92};
93
94struct compat_statfs {
95 s32 f_type;
96 s32 f_bsize;
97 s32 f_blocks;
98 s32 f_bfree;
99 s32 f_bavail;
100 s32 f_files;
101 s32 f_ffree;
102 __kernel_fsid_t f_fsid;
103 s32 f_namelen;
104 s32 f_frsize;
105 s32 f_spare[5];
106};
107
108struct compat_sigcontext {
109 compat_int_t sc_flags;
110 compat_int_t sc_gr[32]; /* PSW in sc_gr[0] */
111 u64 sc_fr[32];
112 compat_int_t sc_iasq[2];
113 compat_int_t sc_iaoq[2];
114 compat_int_t sc_sar; /* cr11 */
115};
116
117#define COMPAT_RLIM_INFINITY 0xffffffff
118
119typedef u32 compat_old_sigset_t; /* at least 32 bits */
120
121#define _COMPAT_NSIG 64
122#define _COMPAT_NSIG_BPW 32
123
124typedef u32 compat_sigset_word;
125
126#define COMPAT_OFF_T_MAX 0x7fffffff
127#define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL
128
129/*
130 * A pointer passed in from user mode. This should not
131 * be used for syscall parameters, just declare them
132 * as pointers because the syscall entry code will have
133 * appropriately comverted them already.
134 */
135typedef u32 compat_uptr_t;
136
137static inline void __user *compat_ptr(compat_uptr_t uptr)
138{
139 return (void __user *)(unsigned long)uptr;
140}
141
142static inline compat_uptr_t ptr_to_compat(void __user *uptr)
143{
144 return (u32)(unsigned long)uptr;
145}
146
147static __inline__ void __user *compat_alloc_user_space(long len)
148{
149 struct pt_regs *regs = ¤t->thread.regs;
150 return (void __user *)regs->gr[30];
151}
152
153static inline int __is_compat_task(struct task_struct *t)
154{
155 return personality(t->personality) == PER_LINUX32;
156}
157
158static inline int is_compat_task(void)
159{
160 return __is_compat_task(current);
161}
162
163#endif /* _ASM_PARISC_COMPAT_H */