1 #ifndef _ASM_PARISC_COMPAT_H 2 #define _ASM_PARISC_COMPAT_H 3 /* 4 * Architecture specific compatibility types 5 */ 6 #include <linux/types.h> 7 #include <linux/sched.h> 8 #include <linux/thread_info.h> 9 10 #define COMPAT_USER_HZ 100 11 12 typedef u32 compat_size_t; 13 typedef s32 compat_ssize_t; 14 typedef s32 compat_time_t; 15 typedef s32 compat_clock_t; 16 typedef s32 compat_pid_t; 17 typedef u32 __compat_uid_t; 18 typedef u32 __compat_gid_t; 19 typedef u32 __compat_uid32_t; 20 typedef u32 __compat_gid32_t; 21 typedef u16 compat_mode_t; 22 typedef u32 compat_ino_t; 23 typedef u32 compat_dev_t; 24 typedef s32 compat_off_t; 25 typedef s64 compat_loff_t; 26 typedef u16 compat_nlink_t; 27 typedef u16 compat_ipc_pid_t; 28 typedef s32 compat_daddr_t; 29 typedef u32 compat_caddr_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; /* dev_t is 32 bits on parisc */ 51 compat_ino_t st_ino; /* 32 bits */ 52 compat_mode_t st_mode; /* 16 bits */ 53 compat_nlink_t st_nlink; /* 16 bits */ 54 u16 st_reserved1; /* old st_uid */ 55 u16 st_reserved2; /* old st_gid */ 56 compat_dev_t st_rdev; 57 compat_off_t st_size; 58 compat_time_t st_atime; 59 u32 st_atime_nsec; 60 compat_time_t st_mtime; 61 u32 st_mtime_nsec; 62 compat_time_t st_ctime; 63 u32 st_ctime_nsec; 64 s32 st_blksize; 65 s32 st_blocks; 66 u32 __unused1; /* ACL stuff */ 67 compat_dev_t __unused2; /* network */ 68 compat_ino_t __unused3; /* network */ 69 u32 __unused4; /* cnodes */ 70 u16 __unused5; /* netsite */ 71 short st_fstype; 72 compat_dev_t st_realdev; 73 u16 st_basemode; 74 u16 st_spareshort; 75 __compat_uid32_t st_uid; 76 __compat_gid32_t st_gid; 77 u32 st_spare4[3]; 78 }; 79 80 struct compat_flock { 81 short l_type; 82 short l_whence; 83 compat_off_t l_start; 84 compat_off_t l_len; 85 compat_pid_t l_pid; 86 }; 87 88 struct compat_flock64 { 89 short l_type; 90 short l_whence; 91 compat_loff_t l_start; 92 compat_loff_t l_len; 93 compat_pid_t l_pid; 94 }; 95 96 struct compat_statfs { 97 s32 f_type; 98 s32 f_bsize; 99 s32 f_blocks; 100 s32 f_bfree; 101 s32 f_bavail; 102 s32 f_files; 103 s32 f_ffree; 104 __kernel_fsid_t f_fsid; 105 s32 f_namelen; 106 s32 f_frsize; 107 s32 f_spare[5]; 108 }; 109 110 struct compat_sigcontext { 111 compat_int_t sc_flags; 112 compat_int_t sc_gr[32]; /* PSW in sc_gr[0] */ 113 u64 sc_fr[32]; 114 compat_int_t sc_iasq[2]; 115 compat_int_t sc_iaoq[2]; 116 compat_int_t sc_sar; /* cr11 */ 117 }; 118 119 #define COMPAT_RLIM_INFINITY 0xffffffff 120 121 typedef u32 compat_old_sigset_t; /* at least 32 bits */ 122 123 #define _COMPAT_NSIG 64 124 #define _COMPAT_NSIG_BPW 32 125 126 typedef u32 compat_sigset_word; 127 128 #define COMPAT_OFF_T_MAX 0x7fffffff 129 #define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL 130 131 /* 132 * A pointer passed in from user mode. This should not 133 * be used for syscall parameters, just declare them 134 * as pointers because the syscall entry code will have 135 * appropriately converted them already. 136 */ 137 typedef u32 compat_uptr_t; 138 139 static inline void __user *compat_ptr(compat_uptr_t uptr) 140 { 141 return (void __user *)(unsigned long)uptr; 142 } 143 144 static inline compat_uptr_t ptr_to_compat(void __user *uptr) 145 { 146 return (u32)(unsigned long)uptr; 147 } 148 149 static __inline__ void __user *compat_alloc_user_space(long len) 150 { 151 struct pt_regs *regs = ¤t->thread.regs; 152 return (void __user *)regs->gr[30]; 153 } 154 155 static inline int __is_compat_task(struct task_struct *t) 156 { 157 return test_ti_thread_flag(task_thread_info(t), TIF_32BIT); 158 } 159 160 static inline int is_compat_task(void) 161 { 162 return __is_compat_task(current); 163 } 164 165 #endif /* _ASM_PARISC_COMPAT_H */ 166