1 #ifndef _ASM_PARISC_COMPAT_H
2 #define _ASM_PARISC_COMPAT_H
4 * Architecture specific compatibility types
6 #include <linux/types.h>
7 #include <linux/sched.h>
8 #include <linux/thread_info.h>
10 #define COMPAT_USER_HZ 100
11 #define COMPAT_UTS_MACHINE "parisc\0\0"
13 typedef u32 compat_size_t;
14 typedef s32 compat_ssize_t;
15 typedef s32 compat_time_t;
16 typedef s32 compat_clock_t;
17 typedef s32 compat_pid_t;
18 typedef u32 __compat_uid_t;
19 typedef u32 __compat_gid_t;
20 typedef u32 __compat_uid32_t;
21 typedef u32 __compat_gid32_t;
22 typedef u16 compat_mode_t;
23 typedef u32 compat_ino_t;
24 typedef u32 compat_dev_t;
25 typedef s32 compat_off_t;
26 typedef s64 compat_loff_t;
27 typedef u16 compat_nlink_t;
28 typedef u16 compat_ipc_pid_t;
29 typedef s32 compat_daddr_t;
30 typedef u32 compat_caddr_t;
31 typedef s32 compat_key_t;
32 typedef s32 compat_timer_t;
34 typedef s32 compat_int_t;
35 typedef s32 compat_long_t;
36 typedef s64 compat_s64;
37 typedef u32 compat_uint_t;
38 typedef u32 compat_ulong_t;
39 typedef u64 compat_u64;
40 typedef u32 compat_uptr_t;
42 struct compat_timespec {
47 struct compat_timeval {
53 compat_dev_t st_dev; /* dev_t is 32 bits on parisc */
54 compat_ino_t st_ino; /* 32 bits */
55 compat_mode_t st_mode; /* 16 bits */
56 compat_nlink_t st_nlink; /* 16 bits */
57 u16 st_reserved1; /* old st_uid */
58 u16 st_reserved2; /* old st_gid */
61 compat_time_t st_atime;
63 compat_time_t st_mtime;
65 compat_time_t st_ctime;
69 u32 __unused1; /* ACL stuff */
70 compat_dev_t __unused2; /* network */
71 compat_ino_t __unused3; /* network */
72 u32 __unused4; /* cnodes */
73 u16 __unused5; /* netsite */
75 compat_dev_t st_realdev;
78 __compat_uid32_t st_uid;
79 __compat_gid32_t st_gid;
91 struct compat_flock64 {
94 compat_loff_t l_start;
99 struct compat_statfs {
107 __kernel_fsid_t f_fsid;
114 struct compat_sigcontext {
115 compat_int_t sc_flags;
116 compat_int_t sc_gr[32]; /* PSW in sc_gr[0] */
118 compat_int_t sc_iasq[2];
119 compat_int_t sc_iaoq[2];
120 compat_int_t sc_sar; /* cr11 */
123 #define COMPAT_RLIM_INFINITY 0xffffffff
125 typedef u32 compat_old_sigset_t; /* at least 32 bits */
127 #define _COMPAT_NSIG 64
128 #define _COMPAT_NSIG_BPW 32
130 typedef u32 compat_sigset_word;
132 typedef union compat_sigval {
133 compat_int_t sival_int;
134 compat_uptr_t sival_ptr;
137 typedef struct compat_siginfo {
143 int _pad[128/sizeof(int) - 3];
147 unsigned int _pid; /* sender's pid */
148 unsigned int _uid; /* sender's uid */
151 /* POSIX.1b timers */
153 compat_timer_t _tid; /* timer id */
154 int _overrun; /* overrun count */
155 char _pad[sizeof(unsigned int) - sizeof(int)];
156 compat_sigval_t _sigval; /* same as below */
157 int _sys_private; /* not to be passed to user */
160 /* POSIX.1b signals */
162 unsigned int _pid; /* sender's pid */
163 unsigned int _uid; /* sender's uid */
164 compat_sigval_t _sigval;
169 unsigned int _pid; /* which child */
170 unsigned int _uid; /* sender's uid */
171 int _status; /* exit code */
172 compat_clock_t _utime;
173 compat_clock_t _stime;
176 /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
178 unsigned int _addr; /* faulting insn/memory ref. */
183 int _band; /* POLL_IN, POLL_OUT, POLL_MSG */
189 compat_uptr_t _call_addr; /* calling user insn */
190 int _syscall; /* triggering system call number */
191 compat_uint_t _arch; /* AUDIT_ARCH_* of syscall */
196 #define COMPAT_OFF_T_MAX 0x7fffffff
197 #define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL
199 struct compat_ipc64_perm {
205 unsigned short int __pad1;
207 unsigned short int __pad2;
208 unsigned short int seq;
210 unsigned long __unused1; /* yes they really are 64bit pads */
211 unsigned long __unused2;
214 struct compat_semid64_ds {
215 struct compat_ipc64_perm sem_perm;
216 unsigned int __unused1;
217 compat_time_t sem_otime;
218 unsigned int __unused2;
219 compat_time_t sem_ctime;
220 compat_ulong_t sem_nsems;
221 compat_ulong_t __unused3;
222 compat_ulong_t __unused4;
225 struct compat_msqid64_ds {
226 struct compat_ipc64_perm msg_perm;
227 unsigned int __unused1;
228 compat_time_t msg_stime;
229 unsigned int __unused2;
230 compat_time_t msg_rtime;
231 unsigned int __unused3;
232 compat_time_t msg_ctime;
233 compat_ulong_t msg_cbytes;
234 compat_ulong_t msg_qnum;
235 compat_ulong_t msg_qbytes;
236 compat_pid_t msg_lspid;
237 compat_pid_t msg_lrpid;
238 compat_ulong_t __unused4;
239 compat_ulong_t __unused5;
242 struct compat_shmid64_ds {
243 struct compat_ipc64_perm shm_perm;
244 unsigned int __unused1;
245 compat_time_t shm_atime;
246 unsigned int __unused2;
247 compat_time_t shm_dtime;
248 unsigned int __unused3;
249 compat_time_t shm_ctime;
250 unsigned int __unused4;
251 compat_size_t shm_segsz;
252 compat_pid_t shm_cpid;
253 compat_pid_t shm_lpid;
254 compat_ulong_t shm_nattch;
255 compat_ulong_t __unused5;
256 compat_ulong_t __unused6;
260 * A pointer passed in from user mode. This should not
261 * be used for syscall parameters, just declare them
262 * as pointers because the syscall entry code will have
263 * appropriately converted them already.
266 static inline void __user *compat_ptr(compat_uptr_t uptr)
268 return (void __user *)(unsigned long)uptr;
271 static inline compat_uptr_t ptr_to_compat(void __user *uptr)
273 return (u32)(unsigned long)uptr;
276 static __inline__ void __user *arch_compat_alloc_user_space(long len)
278 struct pt_regs *regs = ¤t->thread.regs;
279 return (void __user *)regs->gr[30];
282 static inline int __is_compat_task(struct task_struct *t)
284 return test_ti_thread_flag(task_thread_info(t), TIF_32BIT);
287 static inline int is_compat_task(void)
289 return __is_compat_task(current);
292 #endif /* _ASM_PARISC_COMPAT_H */