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-rw-r--r--arch/powerpc/include/asm/compat.h214
1 files changed, 214 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/compat.h b/arch/powerpc/include/asm/compat.h
new file mode 100644
index 000000000000..d811a8cd7b58
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+++ b/arch/powerpc/include/asm/compat.h
@@ -0,0 +1,214 @@
1#ifndef _ASM_POWERPC_COMPAT_H
2#define _ASM_POWERPC_COMPAT_H
3#ifdef __KERNEL__
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
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 u32 compat_mode_t;
22typedef u32 compat_ino_t;
23typedef u32 compat_dev_t;
24typedef s32 compat_off_t;
25typedef s64 compat_loff_t;
26typedef s16 compat_nlink_t;
27typedef u16 compat_ipc_pid_t;
28typedef s32 compat_daddr_t;
29typedef u32 compat_caddr_t;
30typedef __kernel_fsid_t compat_fsid_t;
31typedef s32 compat_key_t;
32typedef s32 compat_timer_t;
33
34typedef s32 compat_int_t;
35typedef s32 compat_long_t;
36typedef s64 compat_s64;
37typedef u32 compat_uint_t;
38typedef u32 compat_ulong_t;
39typedef u64 compat_u64;
40
41struct compat_timespec {
42 compat_time_t tv_sec;
43 s32 tv_nsec;
44};
45
46struct compat_timeval {
47 compat_time_t tv_sec;
48 s32 tv_usec;
49};
50
51struct compat_stat {
52 compat_dev_t st_dev;
53 compat_ino_t st_ino;
54 compat_mode_t st_mode;
55 compat_nlink_t st_nlink;
56 __compat_uid32_t st_uid;
57 __compat_gid32_t st_gid;
58 compat_dev_t st_rdev;
59 compat_off_t st_size;
60 compat_off_t st_blksize;
61 compat_off_t st_blocks;
62 compat_time_t st_atime;
63 u32 st_atime_nsec;
64 compat_time_t st_mtime;
65 u32 st_mtime_nsec;
66 compat_time_t st_ctime;
67 u32 st_ctime_nsec;
68 u32 __unused4[2];
69};
70
71struct compat_flock {
72 short l_type;
73 short l_whence;
74 compat_off_t l_start;
75 compat_off_t l_len;
76 compat_pid_t l_pid;
77};
78
79#define F_GETLK64 12 /* using 'struct flock64' */
80#define F_SETLK64 13
81#define F_SETLKW64 14
82
83struct compat_flock64 {
84 short l_type;
85 short l_whence;
86 compat_loff_t l_start;
87 compat_loff_t l_len;
88 compat_pid_t l_pid;
89};
90
91struct compat_statfs {
92 int f_type;
93 int f_bsize;
94 int f_blocks;
95 int f_bfree;
96 int f_bavail;
97 int f_files;
98 int f_ffree;
99 compat_fsid_t f_fsid;
100 int f_namelen; /* SunOS ignores this field. */
101 int f_frsize;
102 int f_spare[5];
103};
104
105#define COMPAT_RLIM_OLD_INFINITY 0x7fffffff
106#define COMPAT_RLIM_INFINITY 0xffffffff
107
108typedef u32 compat_old_sigset_t;
109
110#define _COMPAT_NSIG 64
111#define _COMPAT_NSIG_BPW 32
112
113typedef u32 compat_sigset_word;
114
115#define COMPAT_OFF_T_MAX 0x7fffffff
116#define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL
117
118/*
119 * A pointer passed in from user mode. This should not
120 * be used for syscall parameters, just declare them
121 * as pointers because the syscall entry code will have
122 * appropriately converted them already.
123 */
124typedef u32 compat_uptr_t;
125
126static inline void __user *compat_ptr(compat_uptr_t uptr)
127{
128 return (void __user *)(unsigned long)uptr;
129}
130
131static inline compat_uptr_t ptr_to_compat(void __user *uptr)
132{
133 return (u32)(unsigned long)uptr;
134}
135
136static inline void __user *compat_alloc_user_space(long len)
137{
138 struct pt_regs *regs = current->thread.regs;
139 unsigned long usp = regs->gpr[1];
140
141 /*
142 * We cant access below the stack pointer in the 32bit ABI and
143 * can access 288 bytes in the 64bit ABI
144 */
145 if (!(test_thread_flag(TIF_32BIT)))
146 usp -= 288;
147
148 return (void __user *) (usp - len);
149}
150
151/*
152 * ipc64_perm is actually 32/64bit clean but since the compat layer refers to
153 * it we may as well define it.
154 */
155struct compat_ipc64_perm {
156 compat_key_t key;
157 __compat_uid_t uid;
158 __compat_gid_t gid;
159 __compat_uid_t cuid;
160 __compat_gid_t cgid;
161 compat_mode_t mode;
162 unsigned int seq;
163 unsigned int __pad2;
164 unsigned long __unused1; /* yes they really are 64bit pads */
165 unsigned long __unused2;
166};
167
168struct compat_semid64_ds {
169 struct compat_ipc64_perm sem_perm;
170 unsigned int __unused1;
171 compat_time_t sem_otime;
172 unsigned int __unused2;
173 compat_time_t sem_ctime;
174 compat_ulong_t sem_nsems;
175 compat_ulong_t __unused3;
176 compat_ulong_t __unused4;
177};
178
179struct compat_msqid64_ds {
180 struct compat_ipc64_perm msg_perm;
181 unsigned int __unused1;
182 compat_time_t msg_stime;
183 unsigned int __unused2;
184 compat_time_t msg_rtime;
185 unsigned int __unused3;
186 compat_time_t msg_ctime;
187 compat_ulong_t msg_cbytes;
188 compat_ulong_t msg_qnum;
189 compat_ulong_t msg_qbytes;
190 compat_pid_t msg_lspid;
191 compat_pid_t msg_lrpid;
192 compat_ulong_t __unused4;
193 compat_ulong_t __unused5;
194};
195
196struct compat_shmid64_ds {
197 struct compat_ipc64_perm shm_perm;
198 unsigned int __unused1;
199 compat_time_t shm_atime;
200 unsigned int __unused2;
201 compat_time_t shm_dtime;
202 unsigned int __unused3;
203 compat_time_t shm_ctime;
204 unsigned int __unused4;
205 compat_size_t shm_segsz;
206 compat_pid_t shm_cpid;
207 compat_pid_t shm_lpid;
208 compat_ulong_t shm_nattch;
209 compat_ulong_t __unused5;
210 compat_ulong_t __unused6;
211};
212
213#endif /* __KERNEL__ */
214#endif /* _ASM_POWERPC_COMPAT_H */
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-10 23:34:36 -0500