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 void __user
*compat_alloc_user_space(long len
)
131 struct pt_regs
*regs
= current
->thread
.regs
;
132 unsigned long usp
= regs
->gpr
[1];
135 * We cant access below the stack pointer in the 32bit ABI and
136 * can access 288 bytes in the 64bit ABI
138 if (!(test_thread_flag(TIF_32BIT
)))
141 return (void __user
*) (usp
- len
);
145 * ipc64_perm is actually 32/64bit clean but since the compat layer refers to
146 * it we may as well define it.
148 struct compat_ipc64_perm
{
157 unsigned long __unused1
; /* yes they really are 64bit pads */
158 unsigned long __unused2
;
161 struct compat_semid64_ds
{
162 struct compat_ipc64_perm sem_perm
;
163 unsigned int __unused1
;
164 compat_time_t sem_otime
;
165 unsigned int __unused2
;
166 compat_time_t sem_ctime
;
167 compat_ulong_t sem_nsems
;
168 compat_ulong_t __unused3
;
169 compat_ulong_t __unused4
;
172 struct compat_msqid64_ds
{
173 struct compat_ipc64_perm msg_perm
;
174 unsigned int __unused1
;
175 compat_time_t msg_stime
;
176 unsigned int __unused2
;
177 compat_time_t msg_rtime
;
178 unsigned int __unused3
;
179 compat_time_t msg_ctime
;
180 compat_ulong_t msg_cbytes
;
181 compat_ulong_t msg_qnum
;
182 compat_ulong_t msg_qbytes
;
183 compat_pid_t msg_lspid
;
184 compat_pid_t msg_lrpid
;
185 compat_ulong_t __unused4
;
186 compat_ulong_t __unused5
;
189 struct compat_shmid64_ds
{
190 struct compat_ipc64_perm shm_perm
;
191 unsigned int __unused1
;
192 compat_time_t shm_atime
;
193 unsigned int __unused2
;
194 compat_time_t shm_dtime
;
195 unsigned int __unused3
;
196 compat_time_t shm_ctime
;
197 unsigned int __unused4
;
198 compat_size_t shm_segsz
;
199 compat_pid_t shm_cpid
;
200 compat_pid_t shm_lpid
;
201 compat_ulong_t shm_nattch
;
202 compat_ulong_t __unused5
;
203 compat_ulong_t __unused6
;
206 #endif /* __KERNEL__ */
207 #endif /* _ASM_POWERPC_COMPAT_H */