1 #ifndef _ASM_POWERPC_COMPAT_H
2 #define _ASM_POWERPC_COMPAT_H
5 * Architecture specific compatibility types
7 #include <linux/types.h>
8 #include <linux/sched.h>
10 #define COMPAT_USER_HZ 100
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 u32 __compat_uid_t;
18 typedef u32 __compat_gid_t;
19 typedef u32 __compat_uid32_t;
20 typedef u32 __compat_gid32_t;
21 typedef u32 compat_mode_t;
22 typedef u32 compat_ino_t;
23 typedef u32 compat_dev_t;
24 typedef s32 compat_off_t;
25 typedef s64 compat_loff_t;
26 typedef s16 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_key_t;
32 typedef s32 compat_timer_t;
34 typedef s32 compat_int_t;
35 typedef s32 compat_long_t;
36 typedef u32 compat_uint_t;
37 typedef u32 compat_ulong_t;
39 struct compat_timespec {
44 struct compat_timeval {
52 compat_mode_t st_mode;
53 compat_nlink_t st_nlink;
54 __compat_uid32_t st_uid;
55 __compat_gid32_t st_gid;
58 compat_off_t st_blksize;
59 compat_off_t st_blocks;
60 compat_time_t st_atime;
62 compat_time_t st_mtime;
64 compat_time_t st_ctime;
77 #define F_GETLK64 12 /* using 'struct flock64' */
81 struct compat_flock64 {
84 compat_loff_t l_start;
89 struct compat_statfs {
98 int f_namelen; /* SunOS ignores this field. */
103 #define COMPAT_RLIM_OLD_INFINITY 0x7fffffff
104 #define COMPAT_RLIM_INFINITY 0xffffffff
106 typedef u32 compat_old_sigset_t;
108 #define _COMPAT_NSIG 64
109 #define _COMPAT_NSIG_BPW 32
111 typedef u32 compat_sigset_word;
113 #define COMPAT_OFF_T_MAX 0x7fffffff
114 #define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL
117 * A pointer passed in from user mode. This should not
118 * be used for syscall parameters, just declare them
119 * as pointers because the syscall entry code will have
120 * appropriately comverted them already.
122 typedef u32 compat_uptr_t;
124 static inline void __user *compat_ptr(compat_uptr_t uptr)
126 return (void __user *)(unsigned long)uptr;
129 static inline compat_uptr_t ptr_to_compat(void __user *uptr)
131 return (u32)(unsigned long)uptr;
134 static inline void __user *compat_alloc_user_space(long len)
136 struct pt_regs *regs = current->thread.regs;
137 unsigned long usp = regs->gpr[1];
140 * We cant access below the stack pointer in the 32bit ABI and
141 * can access 288 bytes in the 64bit ABI
143 if (!(test_thread_flag(TIF_32BIT)))
146 return (void __user *) (usp - len);
150 * ipc64_perm is actually 32/64bit clean but since the compat layer refers to
151 * it we may as well define it.
153 struct compat_ipc64_perm {
162 unsigned long __unused1; /* yes they really are 64bit pads */
163 unsigned long __unused2;
166 struct compat_semid64_ds {
167 struct compat_ipc64_perm sem_perm;
168 unsigned int __unused1;
169 compat_time_t sem_otime;
170 unsigned int __unused2;
171 compat_time_t sem_ctime;
172 compat_ulong_t sem_nsems;
173 compat_ulong_t __unused3;
174 compat_ulong_t __unused4;
177 struct compat_msqid64_ds {
178 struct compat_ipc64_perm msg_perm;
179 unsigned int __unused1;
180 compat_time_t msg_stime;
181 unsigned int __unused2;
182 compat_time_t msg_rtime;
183 unsigned int __unused3;
184 compat_time_t msg_ctime;
185 compat_ulong_t msg_cbytes;
186 compat_ulong_t msg_qnum;
187 compat_ulong_t msg_qbytes;
188 compat_pid_t msg_lspid;
189 compat_pid_t msg_lrpid;
190 compat_ulong_t __unused4;
191 compat_ulong_t __unused5;
194 struct compat_shmid64_ds {
195 struct compat_ipc64_perm shm_perm;
196 unsigned int __unused1;
197 compat_time_t shm_atime;
198 unsigned int __unused2;
199 compat_time_t shm_dtime;
200 unsigned int __unused3;
201 compat_time_t shm_ctime;
202 unsigned int __unused4;
203 compat_size_t shm_segsz;
204 compat_pid_t shm_cpid;
205 compat_pid_t shm_lpid;
206 compat_ulong_t shm_nattch;
207 compat_ulong_t __unused5;
208 compat_ulong_t __unused6;
211 #endif /* __KERNEL__ */
212 #endif /* _ASM_POWERPC_COMPAT_H */