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 10 typedef u32 compat_size_t; 11 typedef s32 compat_ssize_t; 12 typedef s32 compat_time_t; 13 typedef s32 compat_clock_t; 14 typedef s32 compat_pid_t; 15 typedef u16 __compat_uid_t; 16 typedef u16 __compat_gid_t; 17 typedef u32 __compat_uid32_t; 18 typedef u32 __compat_gid32_t; 19 typedef u16 compat_mode_t; 20 typedef u32 compat_ino_t; 21 typedef u16 compat_dev_t; 22 typedef s32 compat_off_t; 23 typedef s64 compat_loff_t; 24 typedef s16 compat_nlink_t; 25 typedef u16 compat_ipc_pid_t; 26 typedef s32 compat_daddr_t; 27 typedef u32 compat_caddr_t; 28 typedef __kernel_fsid_t compat_fsid_t; 29 typedef s32 compat_key_t; 30 typedef s32 compat_timer_t; 31 32 typedef s32 compat_int_t; 33 typedef s32 compat_long_t; 34 typedef s64 compat_s64; 35 typedef u32 compat_uint_t; 36 typedef u32 compat_ulong_t; 37 typedef u64 compat_u64; 38 39 struct compat_timespec { 40 compat_time_t tv_sec; 41 s32 tv_nsec; 42 }; 43 44 struct compat_timeval { 45 compat_time_t tv_sec; 46 s32 tv_usec; 47 }; 48 49 struct compat_stat { 50 compat_dev_t st_dev; 51 compat_ino_t st_ino; 52 compat_mode_t st_mode; 53 compat_nlink_t st_nlink; 54 __compat_uid_t st_uid; 55 __compat_gid_t st_gid; 56 compat_dev_t st_rdev; 57 compat_off_t st_size; 58 compat_time_t st_atime; 59 compat_ulong_t st_atime_nsec; 60 compat_time_t st_mtime; 61 compat_ulong_t st_mtime_nsec; 62 compat_time_t st_ctime; 63 compat_ulong_t st_ctime_nsec; 64 compat_off_t st_blksize; 65 compat_off_t st_blocks; 66 u32 __unused4[2]; 67 }; 68 69 struct compat_stat64 { 70 unsigned long long st_dev; 71 72 unsigned long long st_ino; 73 74 unsigned int st_mode; 75 unsigned int st_nlink; 76 77 unsigned int st_uid; 78 unsigned int st_gid; 79 80 unsigned long long st_rdev; 81 82 unsigned char __pad3[8]; 83 84 long long st_size; 85 unsigned int st_blksize; 86 87 unsigned char __pad4[8]; 88 unsigned int st_blocks; 89 90 unsigned int st_atime; 91 unsigned int st_atime_nsec; 92 93 unsigned int st_mtime; 94 unsigned int st_mtime_nsec; 95 96 unsigned int st_ctime; 97 unsigned int st_ctime_nsec; 98 99 unsigned int __unused4; 100 unsigned int __unused5; 101 }; 102 103 struct compat_flock { 104 short l_type; 105 short l_whence; 106 compat_off_t l_start; 107 compat_off_t l_len; 108 compat_pid_t l_pid; 109 short __unused; 110 }; 111 112 #define F_GETLK64 12 113 #define F_SETLK64 13 114 #define F_SETLKW64 14 115 116 struct compat_flock64 { 117 short l_type; 118 short l_whence; 119 compat_loff_t l_start; 120 compat_loff_t l_len; 121 compat_pid_t l_pid; 122 short __unused; 123 }; 124 125 struct compat_statfs { 126 int f_type; 127 int f_bsize; 128 int f_blocks; 129 int f_bfree; 130 int f_bavail; 131 int f_files; 132 int f_ffree; 133 compat_fsid_t f_fsid; 134 int f_namelen; /* SunOS ignores this field. */ 135 int f_frsize; 136 int f_spare[5]; 137 }; 138 139 #define COMPAT_RLIM_INFINITY 0x7fffffff 140 141 typedef u32 compat_old_sigset_t; 142 143 #define _COMPAT_NSIG 64 144 #define _COMPAT_NSIG_BPW 32 145 146 typedef u32 compat_sigset_word; 147 148 #define COMPAT_OFF_T_MAX 0x7fffffff 149 #define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL 150 151 /* 152 * A pointer passed in from user mode. This should not 153 * be used for syscall parameters, just declare them 154 * as pointers because the syscall entry code will have 155 * appropriately converted them already. 156 */ 157 typedef u32 compat_uptr_t; 158 159 static inline void __user *compat_ptr(compat_uptr_t uptr) 160 { 161 return (void __user *)(unsigned long)uptr; 162 } 163 164 static inline compat_uptr_t ptr_to_compat(void __user *uptr) 165 { 166 return (u32)(unsigned long)uptr; 167 } 168 169 static inline void __user *compat_alloc_user_space(long len) 170 { 171 struct pt_regs *regs = current_thread_info()->kregs; 172 unsigned long usp = regs->u_regs[UREG_I6]; 173 174 if (!(test_thread_flag(TIF_32BIT))) 175 usp += STACK_BIAS; 176 else 177 usp &= 0xffffffffUL; 178 179 usp -= len; 180 usp &= ~0x7UL; 181 182 return (void __user *) usp; 183 } 184 185 struct compat_ipc64_perm { 186 compat_key_t key; 187 __compat_uid32_t uid; 188 __compat_gid32_t gid; 189 __compat_uid32_t cuid; 190 __compat_gid32_t cgid; 191 unsigned short __pad1; 192 compat_mode_t mode; 193 unsigned short __pad2; 194 unsigned short seq; 195 unsigned long __unused1; /* yes they really are 64bit pads */ 196 unsigned long __unused2; 197 }; 198 199 struct compat_semid64_ds { 200 struct compat_ipc64_perm sem_perm; 201 unsigned int __pad1; 202 compat_time_t sem_otime; 203 unsigned int __pad2; 204 compat_time_t sem_ctime; 205 u32 sem_nsems; 206 u32 __unused1; 207 u32 __unused2; 208 }; 209 210 struct compat_msqid64_ds { 211 struct compat_ipc64_perm msg_perm; 212 unsigned int __pad1; 213 compat_time_t msg_stime; 214 unsigned int __pad2; 215 compat_time_t msg_rtime; 216 unsigned int __pad3; 217 compat_time_t msg_ctime; 218 unsigned int msg_cbytes; 219 unsigned int msg_qnum; 220 unsigned int msg_qbytes; 221 compat_pid_t msg_lspid; 222 compat_pid_t msg_lrpid; 223 unsigned int __unused1; 224 unsigned int __unused2; 225 }; 226 227 struct compat_shmid64_ds { 228 struct compat_ipc64_perm shm_perm; 229 unsigned int __pad1; 230 compat_time_t shm_atime; 231 unsigned int __pad2; 232 compat_time_t shm_dtime; 233 unsigned int __pad3; 234 compat_time_t shm_ctime; 235 compat_size_t shm_segsz; 236 compat_pid_t shm_cpid; 237 compat_pid_t shm_lpid; 238 unsigned int shm_nattch; 239 unsigned int __unused1; 240 unsigned int __unused2; 241 }; 242 243 static inline int is_compat_task(void) 244 { 245 return test_thread_flag(TIF_32BIT); 246 } 247 248 #endif /* _ASM_SPARC64_COMPAT_H */ 249