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 40 struct compat_timespec { 41 compat_time_t tv_sec; 42 s32 tv_nsec; 43 }; 44 45 struct compat_timeval { 46 compat_time_t tv_sec; 47 s32 tv_usec; 48 }; 49 50 struct compat_stat { 51 compat_dev_t st_dev; 52 compat_ino_t st_ino; 53 compat_mode_t st_mode; 54 compat_nlink_t st_nlink; 55 __compat_uid_t st_uid; 56 __compat_gid_t st_gid; 57 compat_dev_t st_rdev; 58 compat_off_t st_size; 59 compat_time_t st_atime; 60 compat_ulong_t st_atime_nsec; 61 compat_time_t st_mtime; 62 compat_ulong_t st_mtime_nsec; 63 compat_time_t st_ctime; 64 compat_ulong_t st_ctime_nsec; 65 compat_off_t st_blksize; 66 compat_off_t st_blocks; 67 u32 __unused4[2]; 68 }; 69 70 struct compat_stat64 { 71 unsigned long long st_dev; 72 73 unsigned long long st_ino; 74 75 unsigned int st_mode; 76 unsigned int st_nlink; 77 78 unsigned int st_uid; 79 unsigned int st_gid; 80 81 unsigned long long st_rdev; 82 83 unsigned char __pad3[8]; 84 85 long long st_size; 86 unsigned int st_blksize; 87 88 unsigned char __pad4[8]; 89 unsigned int st_blocks; 90 91 unsigned int st_atime; 92 unsigned int st_atime_nsec; 93 94 unsigned int st_mtime; 95 unsigned int st_mtime_nsec; 96 97 unsigned int st_ctime; 98 unsigned int st_ctime_nsec; 99 100 unsigned int __unused4; 101 unsigned int __unused5; 102 }; 103 104 struct compat_flock { 105 short l_type; 106 short l_whence; 107 compat_off_t l_start; 108 compat_off_t l_len; 109 compat_pid_t l_pid; 110 short __unused; 111 }; 112 113 #define F_GETLK64 12 114 #define F_SETLK64 13 115 #define F_SETLKW64 14 116 117 struct compat_flock64 { 118 short l_type; 119 short l_whence; 120 compat_loff_t l_start; 121 compat_loff_t l_len; 122 compat_pid_t l_pid; 123 short __unused; 124 }; 125 126 struct compat_statfs { 127 int f_type; 128 int f_bsize; 129 int f_blocks; 130 int f_bfree; 131 int f_bavail; 132 int f_files; 133 int f_ffree; 134 compat_fsid_t f_fsid; 135 int f_namelen; /* SunOS ignores this field. */ 136 int f_frsize; 137 int f_spare[5]; 138 }; 139 140 #define COMPAT_RLIM_INFINITY 0x7fffffff 141 142 typedef u32 compat_old_sigset_t; 143 144 #define _COMPAT_NSIG 64 145 #define _COMPAT_NSIG_BPW 32 146 147 typedef u32 compat_sigset_word; 148 149 #define COMPAT_OFF_T_MAX 0x7fffffff 150 #define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL 151 152 /* 153 * A pointer passed in from user mode. This should not 154 * be used for syscall parameters, just declare them 155 * as pointers because the syscall entry code will have 156 * appropriately converted them already. 157 */ 158 typedef u32 compat_uptr_t; 159 160 static inline void __user *compat_ptr(compat_uptr_t uptr) 161 { 162 return (void __user *)(unsigned long)uptr; 163 } 164 165 static inline compat_uptr_t ptr_to_compat(void __user *uptr) 166 { 167 return (u32)(unsigned long)uptr; 168 } 169 170 static inline void __user *arch_compat_alloc_user_space(long len) 171 { 172 struct pt_regs *regs = current_thread_info()->kregs; 173 unsigned long usp = regs->u_regs[UREG_I6]; 174 175 if (!(test_thread_flag(TIF_32BIT))) 176 usp += STACK_BIAS; 177 else 178 usp &= 0xffffffffUL; 179 180 usp -= len; 181 usp &= ~0x7UL; 182 183 return (void __user *) usp; 184 } 185 186 struct compat_ipc64_perm { 187 compat_key_t key; 188 __compat_uid32_t uid; 189 __compat_gid32_t gid; 190 __compat_uid32_t cuid; 191 __compat_gid32_t cgid; 192 unsigned short __pad1; 193 compat_mode_t mode; 194 unsigned short __pad2; 195 unsigned short seq; 196 unsigned long __unused1; /* yes they really are 64bit pads */ 197 unsigned long __unused2; 198 }; 199 200 struct compat_semid64_ds { 201 struct compat_ipc64_perm sem_perm; 202 unsigned int __pad1; 203 compat_time_t sem_otime; 204 unsigned int __pad2; 205 compat_time_t sem_ctime; 206 u32 sem_nsems; 207 u32 __unused1; 208 u32 __unused2; 209 }; 210 211 struct compat_msqid64_ds { 212 struct compat_ipc64_perm msg_perm; 213 unsigned int __pad1; 214 compat_time_t msg_stime; 215 unsigned int __pad2; 216 compat_time_t msg_rtime; 217 unsigned int __pad3; 218 compat_time_t msg_ctime; 219 unsigned int msg_cbytes; 220 unsigned int msg_qnum; 221 unsigned int msg_qbytes; 222 compat_pid_t msg_lspid; 223 compat_pid_t msg_lrpid; 224 unsigned int __unused1; 225 unsigned int __unused2; 226 }; 227 228 struct compat_shmid64_ds { 229 struct compat_ipc64_perm shm_perm; 230 unsigned int __pad1; 231 compat_time_t shm_atime; 232 unsigned int __pad2; 233 compat_time_t shm_dtime; 234 unsigned int __pad3; 235 compat_time_t shm_ctime; 236 compat_size_t shm_segsz; 237 compat_pid_t shm_cpid; 238 compat_pid_t shm_lpid; 239 unsigned int shm_nattch; 240 unsigned int __unused1; 241 unsigned int __unused2; 242 }; 243 244 static inline int is_compat_task(void) 245 { 246 return test_thread_flag(TIF_32BIT); 247 } 248 249 #endif /* _ASM_SPARC64_COMPAT_H */ 250