1 #ifndef _ASM_SPARC64_COMPAT_H 2 #define _ASM_SPARC64_COMPAT_H 3 /* 4 * Architecture specific compatibility types 5 */ 6 #include <linux/types.h> 7 8 #define COMPAT_USER_HZ 100 9 #define COMPAT_UTS_MACHINE "sparc\0\0" 10 11 typedef u32 compat_size_t; 12 typedef s32 compat_ssize_t; 13 typedef s32 compat_time_t; 14 typedef s32 compat_clock_t; 15 typedef s32 compat_pid_t; 16 typedef u16 __compat_uid_t; 17 typedef u16 __compat_gid_t; 18 typedef u32 __compat_uid32_t; 19 typedef u32 __compat_gid32_t; 20 typedef u16 compat_mode_t; 21 typedef u32 compat_ino_t; 22 typedef u16 compat_dev_t; 23 typedef s32 compat_off_t; 24 typedef s64 compat_loff_t; 25 typedef s16 compat_nlink_t; 26 typedef u16 compat_ipc_pid_t; 27 typedef s32 compat_daddr_t; 28 typedef u32 compat_caddr_t; 29 typedef __kernel_fsid_t compat_fsid_t; 30 typedef s32 compat_key_t; 31 typedef s32 compat_timer_t; 32 33 typedef s32 compat_int_t; 34 typedef s32 compat_long_t; 35 typedef s64 compat_s64; 36 typedef u32 compat_uint_t; 37 typedef u32 compat_ulong_t; 38 typedef u64 compat_u64; 39 typedef u32 compat_uptr_t; 40 41 struct compat_timespec { 42 compat_time_t tv_sec; 43 s32 tv_nsec; 44 }; 45 46 struct compat_timeval { 47 compat_time_t tv_sec; 48 s32 tv_usec; 49 }; 50 51 struct 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_uid_t st_uid; 57 __compat_gid_t st_gid; 58 compat_dev_t st_rdev; 59 compat_off_t st_size; 60 compat_time_t st_atime; 61 compat_ulong_t st_atime_nsec; 62 compat_time_t st_mtime; 63 compat_ulong_t st_mtime_nsec; 64 compat_time_t st_ctime; 65 compat_ulong_t st_ctime_nsec; 66 compat_off_t st_blksize; 67 compat_off_t st_blocks; 68 u32 __unused4[2]; 69 }; 70 71 struct compat_stat64 { 72 unsigned long long st_dev; 73 74 unsigned long long st_ino; 75 76 unsigned int st_mode; 77 unsigned int st_nlink; 78 79 unsigned int st_uid; 80 unsigned int st_gid; 81 82 unsigned long long st_rdev; 83 84 unsigned char __pad3[8]; 85 86 long long st_size; 87 unsigned int st_blksize; 88 89 unsigned char __pad4[8]; 90 unsigned int st_blocks; 91 92 unsigned int st_atime; 93 unsigned int st_atime_nsec; 94 95 unsigned int st_mtime; 96 unsigned int st_mtime_nsec; 97 98 unsigned int st_ctime; 99 unsigned int st_ctime_nsec; 100 101 unsigned int __unused4; 102 unsigned int __unused5; 103 }; 104 105 struct compat_flock { 106 short l_type; 107 short l_whence; 108 compat_off_t l_start; 109 compat_off_t l_len; 110 compat_pid_t l_pid; 111 short __unused; 112 }; 113 114 #define F_GETLK64 12 115 #define F_SETLK64 13 116 #define F_SETLKW64 14 117 118 struct compat_flock64 { 119 short l_type; 120 short l_whence; 121 compat_loff_t l_start; 122 compat_loff_t l_len; 123 compat_pid_t l_pid; 124 short __unused; 125 }; 126 127 struct compat_statfs { 128 int f_type; 129 int f_bsize; 130 int f_blocks; 131 int f_bfree; 132 int f_bavail; 133 int f_files; 134 int f_ffree; 135 compat_fsid_t f_fsid; 136 int f_namelen; /* SunOS ignores this field. */ 137 int f_frsize; 138 int f_flags; 139 int f_spare[4]; 140 }; 141 142 #define COMPAT_RLIM_INFINITY 0x7fffffff 143 144 typedef u32 compat_old_sigset_t; 145 146 #define _COMPAT_NSIG 64 147 #define _COMPAT_NSIG_BPW 32 148 149 typedef u32 compat_sigset_word; 150 151 typedef union compat_sigval { 152 compat_int_t sival_int; 153 compat_uptr_t sival_ptr; 154 } compat_sigval_t; 155 156 #define SI_PAD_SIZE32 (128/sizeof(int) - 3) 157 158 typedef struct compat_siginfo { 159 int si_signo; 160 int si_errno; 161 int si_code; 162 163 union { 164 int _pad[SI_PAD_SIZE32]; 165 166 /* kill() */ 167 struct { 168 compat_pid_t _pid; /* sender's pid */ 169 unsigned int _uid; /* sender's uid */ 170 } _kill; 171 172 /* POSIX.1b timers */ 173 struct { 174 compat_timer_t _tid; /* timer id */ 175 int _overrun; /* overrun count */ 176 compat_sigval_t _sigval; /* same as below */ 177 int _sys_private; /* not to be passed to user */ 178 } _timer; 179 180 /* POSIX.1b signals */ 181 struct { 182 compat_pid_t _pid; /* sender's pid */ 183 unsigned int _uid; /* sender's uid */ 184 compat_sigval_t _sigval; 185 } _rt; 186 187 /* SIGCHLD */ 188 struct { 189 compat_pid_t _pid; /* which child */ 190 unsigned int _uid; /* sender's uid */ 191 int _status; /* exit code */ 192 compat_clock_t _utime; 193 compat_clock_t _stime; 194 } _sigchld; 195 196 /* SIGILL, SIGFPE, SIGSEGV, SIGBUS, SIGEMT */ 197 struct { 198 u32 _addr; /* faulting insn/memory ref. */ 199 int _trapno; 200 } _sigfault; 201 202 /* SIGPOLL */ 203 struct { 204 int _band; /* POLL_IN, POLL_OUT, POLL_MSG */ 205 int _fd; 206 } _sigpoll; 207 } _sifields; 208 } compat_siginfo_t; 209 210 #define COMPAT_OFF_T_MAX 0x7fffffff 211 #define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL 212 213 /* 214 * A pointer passed in from user mode. This should not 215 * be used for syscall parameters, just declare them 216 * as pointers because the syscall entry code will have 217 * appropriately converted them already. 218 */ 219 220 static inline void __user *compat_ptr(compat_uptr_t uptr) 221 { 222 return (void __user *)(unsigned long)uptr; 223 } 224 225 static inline compat_uptr_t ptr_to_compat(void __user *uptr) 226 { 227 return (u32)(unsigned long)uptr; 228 } 229 230 static inline void __user *arch_compat_alloc_user_space(long len) 231 { 232 struct pt_regs *regs = current_thread_info()->kregs; 233 unsigned long usp = regs->u_regs[UREG_I6]; 234 235 if (test_thread_64bit_stack(usp)) 236 usp += STACK_BIAS; 237 238 if (test_thread_flag(TIF_32BIT)) 239 usp &= 0xffffffffUL; 240 241 usp -= len; 242 usp &= ~0x7UL; 243 244 return (void __user *) usp; 245 } 246 247 struct compat_ipc64_perm { 248 compat_key_t key; 249 __compat_uid32_t uid; 250 __compat_gid32_t gid; 251 __compat_uid32_t cuid; 252 __compat_gid32_t cgid; 253 unsigned short __pad1; 254 compat_mode_t mode; 255 unsigned short __pad2; 256 unsigned short seq; 257 unsigned long __unused1; /* yes they really are 64bit pads */ 258 unsigned long __unused2; 259 }; 260 261 struct compat_semid64_ds { 262 struct compat_ipc64_perm sem_perm; 263 unsigned int __pad1; 264 compat_time_t sem_otime; 265 unsigned int __pad2; 266 compat_time_t sem_ctime; 267 u32 sem_nsems; 268 u32 __unused1; 269 u32 __unused2; 270 }; 271 272 struct compat_msqid64_ds { 273 struct compat_ipc64_perm msg_perm; 274 unsigned int __pad1; 275 compat_time_t msg_stime; 276 unsigned int __pad2; 277 compat_time_t msg_rtime; 278 unsigned int __pad3; 279 compat_time_t msg_ctime; 280 unsigned int msg_cbytes; 281 unsigned int msg_qnum; 282 unsigned int msg_qbytes; 283 compat_pid_t msg_lspid; 284 compat_pid_t msg_lrpid; 285 unsigned int __unused1; 286 unsigned int __unused2; 287 }; 288 289 struct compat_shmid64_ds { 290 struct compat_ipc64_perm shm_perm; 291 unsigned int __pad1; 292 compat_time_t shm_atime; 293 unsigned int __pad2; 294 compat_time_t shm_dtime; 295 unsigned int __pad3; 296 compat_time_t shm_ctime; 297 compat_size_t shm_segsz; 298 compat_pid_t shm_cpid; 299 compat_pid_t shm_lpid; 300 unsigned int shm_nattch; 301 unsigned int __unused1; 302 unsigned int __unused2; 303 }; 304 305 static inline int is_compat_task(void) 306 { 307 return test_thread_flag(TIF_32BIT); 308 } 309 310 #endif /* _ASM_SPARC64_COMPAT_H */ 311