1#ifndef _ASM_COMPAT_H 2#define _ASM_COMPAT_H 3/* 4 * Architecture specific compatibility types 5 */ 6#include <linux/types.h> 7#include <asm/page.h> 8#include <asm/ptrace.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_suseconds_t; 17 18typedef s32 compat_pid_t; 19typedef s32 __compat_uid_t; 20typedef s32 __compat_gid_t; 21typedef __compat_uid_t __compat_uid32_t; 22typedef __compat_gid_t __compat_gid32_t; 23typedef u32 compat_mode_t; 24typedef u32 compat_ino_t; 25typedef u32 compat_dev_t; 26typedef s32 compat_off_t; 27typedef s64 compat_loff_t; 28typedef u32 compat_nlink_t; 29typedef s32 compat_ipc_pid_t; 30typedef s32 compat_daddr_t; 31typedef s32 compat_caddr_t; 32typedef struct { 33 s32 val[2]; 34} compat_fsid_t; 35typedef s32 compat_timer_t; 36typedef s32 compat_key_t; 37 38typedef s32 compat_int_t; 39typedef s32 compat_long_t; 40typedef s64 compat_s64; 41typedef u32 compat_uint_t; 42typedef u32 compat_ulong_t; 43typedef u64 compat_u64; 44 45struct compat_timespec { 46 compat_time_t tv_sec; 47 s32 tv_nsec; 48}; 49 50struct compat_timeval { 51 compat_time_t tv_sec; 52 s32 tv_usec; 53}; 54 55struct compat_stat { 56 compat_dev_t st_dev; 57 s32 st_pad1[3]; 58 compat_ino_t st_ino; 59 compat_mode_t st_mode; 60 compat_nlink_t st_nlink; 61 __compat_uid_t st_uid; 62 __compat_gid_t st_gid; 63 compat_dev_t st_rdev; 64 s32 st_pad2[2]; 65 compat_off_t st_size; 66 s32 st_pad3; 67 compat_time_t st_atime; 68 s32 st_atime_nsec; 69 compat_time_t st_mtime; 70 s32 st_mtime_nsec; 71 compat_time_t st_ctime; 72 s32 st_ctime_nsec; 73 s32 st_blksize; 74 s32 st_blocks; 75 s32 st_pad4[14]; 76}; 77 78struct compat_flock { 79 short l_type; 80 short l_whence; 81 compat_off_t l_start; 82 compat_off_t l_len; 83 s32 l_sysid; 84 compat_pid_t l_pid; 85 short __unused; 86 s32 pad[4]; 87}; 88 89#define F_GETLK64 33 90#define F_SETLK64 34 91#define F_SETLKW64 35 92 93struct compat_flock64 { 94 short l_type; 95 short l_whence; 96 compat_loff_t l_start; 97 compat_loff_t l_len; 98 compat_pid_t l_pid; 99}; 100 101struct compat_statfs { 102 int f_type; 103 int f_bsize; 104 int f_frsize; 105 int f_blocks; 106 int f_bfree; 107 int f_files; 108 int f_ffree; 109 int f_bavail; 110 compat_fsid_t f_fsid; 111 int f_namelen; 112 int f_spare[6]; 113}; 114 115#define COMPAT_RLIM_INFINITY 0x7fffffffUL 116 117typedef u32 compat_old_sigset_t; /* at least 32 bits */ 118 119#define _COMPAT_NSIG 128 /* Don't ask !$@#% ... */ 120#define _COMPAT_NSIG_BPW 32 121 122typedef u32 compat_sigset_word; 123 124#define COMPAT_OFF_T_MAX 0x7fffffff 125#define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL 126 127/* 128 * A pointer passed in from user mode. This should not 129 * be used for syscall parameters, just declare them 130 * as pointers because the syscall entry code will have 131 * appropriately converted them already. 132 */ 133typedef u32 compat_uptr_t; 134 135static inline void __user *compat_ptr(compat_uptr_t uptr) 136{ 137 /* cast to a __user pointer via "unsigned long" makes sparse happy */ 138 return (void __user *)(unsigned long)(long)uptr; 139} 140 141static inline compat_uptr_t ptr_to_compat(void __user *uptr) 142{ 143 return (u32)(unsigned long)uptr; 144} 145 146static inline void __user *compat_alloc_user_space(long len) 147{ 148 struct pt_regs *regs = (struct pt_regs *) 149 ((unsigned long) current_thread_info() + THREAD_SIZE - 32) - 1; 150 151 return (void __user *) (regs->regs[29] - len); 152} 153 154struct compat_ipc64_perm { 155 compat_key_t key; 156 __compat_uid32_t uid; 157 __compat_gid32_t gid; 158 __compat_uid32_t cuid; 159 __compat_gid32_t cgid; 160 compat_mode_t mode; 161 unsigned short seq; 162 unsigned short __pad2; 163 compat_ulong_t __unused1; 164 compat_ulong_t __unused2; 165}; 166 167struct compat_semid64_ds { 168 struct compat_ipc64_perm sem_perm; 169 compat_time_t sem_otime; 170 compat_time_t sem_ctime; 171 compat_ulong_t sem_nsems; 172 compat_ulong_t __unused1; 173 compat_ulong_t __unused2; 174}; 175 176struct compat_msqid64_ds { 177 struct compat_ipc64_perm msg_perm; 178#ifndef CONFIG_CPU_LITTLE_ENDIAN 179 compat_ulong_t __unused1; 180#endif 181 compat_time_t msg_stime; 182#ifdef CONFIG_CPU_LITTLE_ENDIAN 183 compat_ulong_t __unused1; 184#endif 185#ifndef CONFIG_CPU_LITTLE_ENDIAN 186 compat_ulong_t __unused2; 187#endif 188 compat_time_t msg_rtime; 189#ifdef CONFIG_CPU_LITTLE_ENDIAN 190 compat_ulong_t __unused2; 191#endif 192#ifndef CONFIG_CPU_LITTLE_ENDIAN 193 compat_ulong_t __unused3; 194#endif 195 compat_time_t msg_ctime; 196#ifdef CONFIG_CPU_LITTLE_ENDIAN 197 compat_ulong_t __unused3; 198#endif 199 compat_ulong_t msg_cbytes; 200 compat_ulong_t msg_qnum; 201 compat_ulong_t msg_qbytes; 202 compat_pid_t msg_lspid; 203 compat_pid_t msg_lrpid; 204 compat_ulong_t __unused4; 205 compat_ulong_t __unused5; 206}; 207 208struct compat_shmid64_ds { 209 struct compat_ipc64_perm shm_perm; 210 compat_size_t shm_segsz; 211 compat_time_t shm_atime; 212 compat_time_t shm_dtime; 213 compat_time_t shm_ctime; 214 compat_pid_t shm_cpid; 215 compat_pid_t shm_lpid; 216 compat_ulong_t shm_nattch; 217 compat_ulong_t __unused1; 218 compat_ulong_t __unused2; 219}; 220 221#endif /* _ASM_COMPAT_H */ 222