| 1 | #ifndef _ASM_COMPAT_H |
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| 2 | #define _ASM_COMPAT_H |
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| 3 | /* |
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| 4 | * Architecture specific compatibility types |
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| 5 | */ |
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| 6 | #include <linux/types.h> |
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| 7 | #include <asm/page.h> |
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| 8 | |
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| 9 | #define COMPAT_USER_HZ 100 |
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| 10 | |
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| 11 | typedef __u32 compat_size_t; |
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| 12 | typedef __s32 compat_ssize_t; |
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| 13 | typedef __s32 compat_time_t; |
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| 14 | typedef __s32 compat_clock_t; |
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| 15 | typedef __s32 compat_suseconds_t; |
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| 16 | |
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| 17 | typedef __s32 compat_pid_t; |
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| 18 | typedef __s32 compat_uid_t; |
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| 19 | typedef __s32 compat_gid_t; |
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| 20 | typedef __u32 compat_mode_t; |
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| 21 | typedef __u32 compat_ino_t; |
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| 22 | typedef __u32 compat_dev_t; |
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| 23 | typedef __s32 compat_off_t; |
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| 24 | typedef __s64 compat_loff_t; |
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| 25 | typedef __u32 compat_nlink_t; |
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| 26 | typedef __s32 compat_ipc_pid_t; |
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| 27 | typedef __s32 compat_daddr_t; |
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| 28 | typedef __s32 compat_caddr_t; |
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| 29 | typedef struct { |
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| 30 | __s32 val[2]; |
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| 31 | } compat_fsid_t; |
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| 32 | |
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| 33 | typedef __s32 compat_int_t; |
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| 34 | typedef __s32 compat_long_t; |
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| 35 | typedef __u32 compat_uint_t; |
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| 36 | typedef __u32 compat_ulong_t; |
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| 37 | |
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| 38 | struct compat_timespec { |
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| 39 | compat_time_t tv_sec; |
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| 40 | __s32 tv_nsec; |
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| 41 | }; |
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| 42 | |
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| 43 | struct compat_timeval { |
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| 44 | compat_time_t tv_sec; |
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| 45 | __s32 tv_usec; |
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| 46 | }; |
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| 47 | |
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| 48 | struct compat_stat { |
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| 49 | compat_dev_t st_dev; |
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| 50 | __s32 st_pad1[3]; |
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| 51 | compat_ino_t st_ino; |
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| 52 | compat_mode_t st_mode; |
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| 53 | compat_nlink_t st_nlink; |
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| 54 | compat_uid_t st_uid; |
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| 55 | compat_gid_t st_gid; |
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| 56 | compat_dev_t st_rdev; |
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| 57 | __s32 st_pad2[2]; |
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| 58 | compat_off_t st_size; |
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| 59 | __s32 st_pad3; |
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| 60 | compat_time_t st_atime; |
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| 61 | __s32 st_atime_nsec; |
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| 62 | compat_time_t st_mtime; |
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| 63 | __s32 st_mtime_nsec; |
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| 64 | compat_time_t st_ctime; |
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| 65 | __s32 st_ctime_nsec; |
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| 66 | __s32 st_blksize; |
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| 67 | __s32 st_blocks; |
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| 68 | __s32 st_pad4[14]; |
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| 69 | }; |
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| 70 | |
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| 71 | struct compat_flock { |
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| 72 | short l_type; |
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| 73 | short l_whence; |
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| 74 | compat_off_t l_start; |
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| 75 | compat_off_t l_len; |
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| 76 | __s32 l_sysid; |
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| 77 | compat_pid_t l_pid; |
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| 78 | short __unused; |
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| 79 | __s32 pad[4]; |
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| 80 | }; |
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| 81 | |
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| 82 | #define F_GETLK64 33 |
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| 83 | #define F_SETLK64 34 |
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| 84 | #define F_SETLKW64 35 |
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| 85 | |
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| 86 | struct compat_flock64 { |
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| 87 | short l_type; |
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| 88 | short l_whence; |
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| 89 | compat_loff_t l_start; |
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| 90 | compat_loff_t l_len; |
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| 91 | compat_pid_t l_pid; |
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| 92 | }; |
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| 93 | |
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| 94 | struct compat_statfs { |
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| 95 | int f_type; |
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| 96 | int f_bsize; |
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| 97 | int f_frsize; |
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| 98 | int f_blocks; |
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| 99 | int f_bfree; |
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| 100 | int f_files; |
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| 101 | int f_ffree; |
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| 102 | int f_bavail; |
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| 103 | compat_fsid_t f_fsid; |
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| 104 | int f_namelen; |
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| 105 | int f_spare[6]; |
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| 106 | }; |
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| 107 | |
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| 108 | #define COMPAT_RLIM_INFINITY 0x7fffffffUL |
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| 109 | |
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| 110 | typedef __u32 compat_old_sigset_t; /* at least 32 bits */ |
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| 111 | |
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| 112 | #define _COMPAT_NSIG 128 /* Don't ask !$@#% ... */ |
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| 113 | #define _COMPAT_NSIG_BPW 32 |
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| 114 | |
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| 115 | typedef __u32 compat_sigset_word; |
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| 116 | |
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| 117 | #define COMPAT_OFF_T_MAX 0x7fffffff |
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| 118 | #define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL |
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| 119 | |
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| 120 | /* |
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| 121 | * A pointer passed in from user mode. This should not |
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| 122 | * be used for syscall parameters, just declare them |
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| 123 | * as pointers because the syscall entry code will have |
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| 124 | * appropriately comverted them already. |
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| 125 | */ |
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| 126 | typedef __u32 compat_uptr_t; |
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| 127 | |
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| 128 | static inline void *compat_ptr(compat_uptr_t uptr) |
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| 129 | { |
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| 130 | return (void *)(long)uptr; |
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| 131 | } |
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| 132 | |
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| 133 | static inline void *compat_alloc_user_space(long len) |
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| 134 | { |
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| 135 | struct pt_regs *regs = (struct pt_regs *) |
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| 136 | ((unsigned long) current_thread_info() + THREAD_SIZE - 32) - 1; |
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| 137 | |
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| 138 | return (void *) (regs->regs[29] - len); |
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| 139 | } |
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| 140 | #if defined (__MIPSEL__) |
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| 141 | #define __COMPAT_ENDIAN_SWAP__ 1 |
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| 142 | #endif |
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| 143 | |
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| 144 | #endif /* _ASM_COMPAT_H */ |
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