1 #ifndef _ASM_PARISC_COMPAT_H 2 #define _ASM_PARISC_COMPAT_H 3 /* 4 * Architecture specific compatibility types 5 */ 6 #include <linux/types.h> 7 #include <linux/sched.h> 8 #include <linux/thread_info.h> 9 10 #define COMPAT_USER_HZ 100 11 #define COMPAT_UTS_MACHINE "parisc\0\0" 12 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; 33 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; 41 42 struct compat_timespec { 43 compat_time_t tv_sec; 44 s32 tv_nsec; 45 }; 46 47 struct compat_timeval { 48 compat_time_t tv_sec; 49 s32 tv_usec; 50 }; 51 52 struct compat_stat { 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 */ 59 compat_dev_t st_rdev; 60 compat_off_t st_size; 61 compat_time_t st_atime; 62 u32 st_atime_nsec; 63 compat_time_t st_mtime; 64 u32 st_mtime_nsec; 65 compat_time_t st_ctime; 66 u32 st_ctime_nsec; 67 s32 st_blksize; 68 s32 st_blocks; 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 */ 74 short st_fstype; 75 compat_dev_t st_realdev; 76 u16 st_basemode; 77 u16 st_spareshort; 78 __compat_uid32_t st_uid; 79 __compat_gid32_t st_gid; 80 u32 st_spare4[3]; 81 }; 82 83 struct compat_flock { 84 short l_type; 85 short l_whence; 86 compat_off_t l_start; 87 compat_off_t l_len; 88 compat_pid_t l_pid; 89 }; 90 91 struct compat_flock64 { 92 short l_type; 93 short l_whence; 94 compat_loff_t l_start; 95 compat_loff_t l_len; 96 compat_pid_t l_pid; 97 }; 98 99 struct compat_statfs { 100 s32 f_type; 101 s32 f_bsize; 102 s32 f_blocks; 103 s32 f_bfree; 104 s32 f_bavail; 105 s32 f_files; 106 s32 f_ffree; 107 __kernel_fsid_t f_fsid; 108 s32 f_namelen; 109 s32 f_frsize; 110 s32 f_flags; 111 s32 f_spare[4]; 112 }; 113 114 struct compat_sigcontext { 115 compat_int_t sc_flags; 116 compat_int_t sc_gr[32]; /* PSW in sc_gr[0] */ 117 u64 sc_fr[32]; 118 compat_int_t sc_iasq[2]; 119 compat_int_t sc_iaoq[2]; 120 compat_int_t sc_sar; /* cr11 */ 121 }; 122 123 #define COMPAT_RLIM_INFINITY 0xffffffff 124 125 typedef u32 compat_old_sigset_t; /* at least 32 bits */ 126 127 #define _COMPAT_NSIG 64 128 #define _COMPAT_NSIG_BPW 32 129 130 typedef u32 compat_sigset_word; 131 132 typedef union compat_sigval { 133 compat_int_t sival_int; 134 compat_uptr_t sival_ptr; 135 } compat_sigval_t; 136 137 typedef struct compat_siginfo { 138 int si_signo; 139 int si_errno; 140 int si_code; 141 142 union { 143 int _pad[128/sizeof(int) - 3]; 144 145 /* kill() */ 146 struct { 147 unsigned int _pid; /* sender's pid */ 148 unsigned int _uid; /* sender's uid */ 149 } _kill; 150 151 /* POSIX.1b timers */ 152 struct { 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 */ 158 } _timer; 159 160 /* POSIX.1b signals */ 161 struct { 162 unsigned int _pid; /* sender's pid */ 163 unsigned int _uid; /* sender's uid */ 164 compat_sigval_t _sigval; 165 } _rt; 166 167 /* SIGCHLD */ 168 struct { 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; 174 } _sigchld; 175 176 /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */ 177 struct { 178 unsigned int _addr; /* faulting insn/memory ref. */ 179 } _sigfault; 180 181 /* SIGPOLL */ 182 struct { 183 int _band; /* POLL_IN, POLL_OUT, POLL_MSG */ 184 int _fd; 185 } _sigpoll; 186 } _sifields; 187 } compat_siginfo_t; 188 189 #define COMPAT_OFF_T_MAX 0x7fffffff 190 #define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL 191 192 struct compat_ipc64_perm { 193 compat_key_t key; 194 __compat_uid_t uid; 195 __compat_gid_t gid; 196 __compat_uid_t cuid; 197 __compat_gid_t cgid; 198 unsigned short int __pad1; 199 compat_mode_t mode; 200 unsigned short int __pad2; 201 unsigned short int seq; 202 unsigned int __pad3; 203 unsigned long __unused1; /* yes they really are 64bit pads */ 204 unsigned long __unused2; 205 }; 206 207 struct compat_semid64_ds { 208 struct compat_ipc64_perm sem_perm; 209 compat_time_t sem_otime; 210 unsigned int __unused1; 211 compat_time_t sem_ctime; 212 unsigned int __unused2; 213 compat_ulong_t sem_nsems; 214 compat_ulong_t __unused3; 215 compat_ulong_t __unused4; 216 }; 217 218 struct compat_msqid64_ds { 219 struct compat_ipc64_perm msg_perm; 220 unsigned int __unused1; 221 compat_time_t msg_stime; 222 unsigned int __unused2; 223 compat_time_t msg_rtime; 224 unsigned int __unused3; 225 compat_time_t msg_ctime; 226 compat_ulong_t msg_cbytes; 227 compat_ulong_t msg_qnum; 228 compat_ulong_t msg_qbytes; 229 compat_pid_t msg_lspid; 230 compat_pid_t msg_lrpid; 231 compat_ulong_t __unused4; 232 compat_ulong_t __unused5; 233 }; 234 235 struct compat_shmid64_ds { 236 struct compat_ipc64_perm shm_perm; 237 unsigned int __unused1; 238 compat_time_t shm_atime; 239 unsigned int __unused2; 240 compat_time_t shm_dtime; 241 unsigned int __unused3; 242 compat_time_t shm_ctime; 243 unsigned int __unused4; 244 compat_size_t shm_segsz; 245 compat_pid_t shm_cpid; 246 compat_pid_t shm_lpid; 247 compat_ulong_t shm_nattch; 248 compat_ulong_t __unused5; 249 compat_ulong_t __unused6; 250 }; 251 252 /* 253 * A pointer passed in from user mode. This should not 254 * be used for syscall parameters, just declare them 255 * as pointers because the syscall entry code will have 256 * appropriately converted them already. 257 */ 258 259 static inline void __user *compat_ptr(compat_uptr_t uptr) 260 { 261 return (void __user *)(unsigned long)uptr; 262 } 263 264 static inline compat_uptr_t ptr_to_compat(void __user *uptr) 265 { 266 return (u32)(unsigned long)uptr; 267 } 268 269 static __inline__ void __user *arch_compat_alloc_user_space(long len) 270 { 271 struct pt_regs *regs = ¤t->thread.regs; 272 return (void __user *)regs->gr[30]; 273 } 274 275 static inline int __is_compat_task(struct task_struct *t) 276 { 277 return test_ti_thread_flag(task_thread_info(t), TIF_32BIT); 278 } 279 280 static inline int is_compat_task(void) 281 { 282 return __is_compat_task(current); 283 } 284 285 #endif /* _ASM_PARISC_COMPAT_H */ 286