x86: sanitize pathes arch/x86/kernel/cpu/Makefile
[linux-3.10.git] / include / asm-x86_64 / compat.h
1 #ifndef _ASM_X86_64_COMPAT_H
2 #define _ASM_X86_64_COMPAT_H
3
4 /*
5  * Architecture specific compatibility types
6  */
7 #include <linux/types.h>
8 #include <linux/sched.h>
9
10 #define COMPAT_USER_HZ  100
11
12 typedef u32             compat_size_t;
13 typedef s32             compat_ssize_t;
14 typedef s32             compat_time_t;
15 typedef s32             compat_clock_t;
16 typedef s32             compat_pid_t;
17 typedef u16             __compat_uid_t;
18 typedef u16             __compat_gid_t;
19 typedef u32             __compat_uid32_t;
20 typedef u32             __compat_gid32_t;
21 typedef u16             compat_mode_t;
22 typedef u32             compat_ino_t;
23 typedef u16             compat_dev_t;
24 typedef s32             compat_off_t;
25 typedef s64             compat_loff_t;
26 typedef u16             compat_nlink_t;
27 typedef u16             compat_ipc_pid_t;
28 typedef s32             compat_daddr_t;
29 typedef u32             compat_caddr_t;
30 typedef __kernel_fsid_t compat_fsid_t;
31 typedef s32             compat_timer_t;
32 typedef s32             compat_key_t;
33
34 typedef s32             compat_int_t;
35 typedef s32             compat_long_t;
36 typedef s64 __attribute__((aligned(4))) compat_s64;
37 typedef u32             compat_uint_t;
38 typedef u32             compat_ulong_t;
39 typedef u64 __attribute__((aligned(4))) compat_u64;
40
41 struct compat_timespec {
42         compat_time_t   tv_sec;
43         s32             tv_nsec;
44 };
45
46 struct compat_timeval {
47         compat_time_t   tv_sec;
48         s32             tv_usec;
49 };
50
51 struct compat_stat {
52         compat_dev_t    st_dev;
53         u16             __pad1;
54         compat_ino_t    st_ino;
55         compat_mode_t   st_mode;
56         compat_nlink_t  st_nlink;
57         __compat_uid_t  st_uid;
58         __compat_gid_t  st_gid;
59         compat_dev_t    st_rdev;
60         u16             __pad2;
61         u32             st_size;
62         u32             st_blksize;
63         u32             st_blocks;
64         u32             st_atime;
65         u32             st_atime_nsec;
66         u32             st_mtime;
67         u32             st_mtime_nsec;
68         u32             st_ctime;
69         u32             st_ctime_nsec;
70         u32             __unused4;
71         u32             __unused5;
72 };
73
74 struct compat_flock {
75         short           l_type;
76         short           l_whence;
77         compat_off_t    l_start;
78         compat_off_t    l_len;
79         compat_pid_t    l_pid;
80 };
81
82 #define F_GETLK64       12      /*  using 'struct flock64' */
83 #define F_SETLK64       13
84 #define F_SETLKW64      14
85
86 /*
87  * IA32 uses 4 byte alignment for 64 bit quantities,
88  * so we need to pack this structure.
89  */
90 struct compat_flock64 {
91         short           l_type;
92         short           l_whence;
93         compat_loff_t   l_start;
94         compat_loff_t   l_len;
95         compat_pid_t    l_pid;
96 } __attribute__((packed));
97
98 struct compat_statfs {
99         int             f_type;
100         int             f_bsize;
101         int             f_blocks;
102         int             f_bfree;
103         int             f_bavail;
104         int             f_files;
105         int             f_ffree;
106         compat_fsid_t   f_fsid;
107         int             f_namelen;      /* SunOS ignores this field. */
108         int             f_frsize;
109         int             f_spare[5];
110 };
111
112 #define COMPAT_RLIM_OLD_INFINITY        0x7fffffff
113 #define COMPAT_RLIM_INFINITY            0xffffffff
114
115 typedef u32             compat_old_sigset_t;    /* at least 32 bits */
116
117 #define _COMPAT_NSIG            64
118 #define _COMPAT_NSIG_BPW        32
119
120 typedef u32               compat_sigset_word;
121
122 #define COMPAT_OFF_T_MAX        0x7fffffff
123 #define COMPAT_LOFF_T_MAX       0x7fffffffffffffffL
124
125 struct compat_ipc64_perm {
126         compat_key_t key;
127         __compat_uid32_t uid;
128         __compat_gid32_t gid;
129         __compat_uid32_t cuid;
130         __compat_gid32_t cgid;
131         unsigned short mode;
132         unsigned short __pad1;
133         unsigned short seq;
134         unsigned short __pad2;
135         compat_ulong_t unused1;
136         compat_ulong_t unused2;
137 };
138
139 struct compat_semid64_ds {
140         struct compat_ipc64_perm sem_perm;
141         compat_time_t  sem_otime;
142         compat_ulong_t __unused1;
143         compat_time_t  sem_ctime;
144         compat_ulong_t __unused2;
145         compat_ulong_t sem_nsems;
146         compat_ulong_t __unused3;
147         compat_ulong_t __unused4;
148 };
149
150 struct compat_msqid64_ds {
151         struct compat_ipc64_perm msg_perm;
152         compat_time_t  msg_stime;
153         compat_ulong_t __unused1;
154         compat_time_t  msg_rtime;
155         compat_ulong_t __unused2;
156         compat_time_t  msg_ctime;
157         compat_ulong_t __unused3;
158         compat_ulong_t msg_cbytes;
159         compat_ulong_t msg_qnum;
160         compat_ulong_t msg_qbytes;
161         compat_pid_t   msg_lspid;
162         compat_pid_t   msg_lrpid;
163         compat_ulong_t __unused4;
164         compat_ulong_t __unused5;
165 };
166
167 struct compat_shmid64_ds {
168         struct compat_ipc64_perm shm_perm;
169         compat_size_t  shm_segsz;
170         compat_time_t  shm_atime;
171         compat_ulong_t __unused1;
172         compat_time_t  shm_dtime;
173         compat_ulong_t __unused2;
174         compat_time_t  shm_ctime;
175         compat_ulong_t __unused3;
176         compat_pid_t   shm_cpid;
177         compat_pid_t   shm_lpid;
178         compat_ulong_t shm_nattch;
179         compat_ulong_t __unused4;
180         compat_ulong_t __unused5;
181 };
182
183 /*
184  * A pointer passed in from user mode. This should not
185  * be used for syscall parameters, just declare them
186  * as pointers because the syscall entry code will have
187  * appropriately comverted them already.
188  */
189 typedef u32             compat_uptr_t;
190
191 static inline void __user *compat_ptr(compat_uptr_t uptr)
192 {
193         return (void __user *)(unsigned long)uptr;
194 }
195
196 static inline compat_uptr_t ptr_to_compat(void __user *uptr)
197 {
198         return (u32)(unsigned long)uptr;
199 }
200
201 static __inline__ void __user *compat_alloc_user_space(long len)
202 {
203         struct pt_regs *regs = task_pt_regs(current);
204         return (void __user *)regs->rsp - len; 
205 }
206
207 static inline int is_compat_task(void)
208 {
209         return current_thread_info()->status & TS_COMPAT;
210 }
211
212 #endif /* _ASM_X86_64_COMPAT_H */