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#define COMPAT_UTS_MACHINE "parisc\0\0" 12 13typedef u32 compat_size_t; 14typedef s32 compat_ssize_t; 15typedef s32 compat_time_t; 16typedef s32 compat_clock_t; 17typedef s32 compat_pid_t; 18typedef u32 __compat_uid_t; 19typedef u32 __compat_gid_t; 20typedef u32 __compat_uid32_t; 21typedef u32 __compat_gid32_t; 22typedef u16 compat_mode_t; 23typedef u32 compat_ino_t; 24typedef u32 compat_dev_t; 25typedef s32 compat_off_t; 26typedef s64 compat_loff_t; 27typedef u16 compat_nlink_t; 28typedef u16 compat_ipc_pid_t; 29typedef s32 compat_daddr_t; 30typedef u32 compat_caddr_t; 31typedef s32 compat_timer_t; 32 33typedef s32 compat_int_t; 34typedef s32 compat_long_t; 35typedef s64 compat_s64; 36typedef u32 compat_uint_t; 37typedef u32 compat_ulong_t; 38typedef u64 compat_u64; 39 40struct compat_timespec { 41 compat_time_t tv_sec; 42 s32 tv_nsec; 43}; 44 45struct compat_timeval { 46 compat_time_t tv_sec; 47 s32 tv_usec; 48}; 49 50struct compat_stat { 51 compat_dev_t st_dev; /* dev_t is 32 bits on parisc */ 52 compat_ino_t st_ino; /* 32 bits */ 53 compat_mode_t st_mode; /* 16 bits */ 54 compat_nlink_t st_nlink; /* 16 bits */ 55 u16 st_reserved1; /* old st_uid */ 56 u16 st_reserved2; /* old st_gid */ 57 compat_dev_t st_rdev; 58 compat_off_t st_size; 59 compat_time_t st_atime; 60 u32 st_atime_nsec; 61 compat_time_t st_mtime; 62 u32 st_mtime_nsec; 63 compat_time_t st_ctime; 64 u32 st_ctime_nsec; 65 s32 st_blksize; 66 s32 st_blocks; 67 u32 __unused1; /* ACL stuff */ 68 compat_dev_t __unused2; /* network */ 69 compat_ino_t __unused3; /* network */ 70 u32 __unused4; /* cnodes */ 71 u16 __unused5; /* netsite */ 72 short st_fstype; 73 compat_dev_t st_realdev; 74 u16 st_basemode; 75 u16 st_spareshort; 76 __compat_uid32_t st_uid; 77 __compat_gid32_t st_gid; 78 u32 st_spare4[3]; 79}; 80 81struct compat_flock { 82 short l_type; 83 short l_whence; 84 compat_off_t l_start; 85 compat_off_t l_len; 86 compat_pid_t l_pid; 87}; 88 89struct compat_flock64 { 90 short l_type; 91 short l_whence; 92 compat_loff_t l_start; 93 compat_loff_t l_len; 94 compat_pid_t l_pid; 95}; 96 97struct compat_statfs { 98 s32 f_type; 99 s32 f_bsize; 100 s32 f_blocks; 101 s32 f_bfree; 102 s32 f_bavail; 103 s32 f_files; 104 s32 f_ffree; 105 __kernel_fsid_t f_fsid; 106 s32 f_namelen; 107 s32 f_frsize; 108 s32 f_spare[5]; 109}; 110 111struct compat_sigcontext { 112 compat_int_t sc_flags; 113 compat_int_t sc_gr[32]; /* PSW in sc_gr[0] */ 114 u64 sc_fr[32]; 115 compat_int_t sc_iasq[2]; 116 compat_int_t sc_iaoq[2]; 117 compat_int_t sc_sar; /* cr11 */ 118}; 119 120#define COMPAT_RLIM_INFINITY 0xffffffff 121 122typedef u32 compat_old_sigset_t; /* at least 32 bits */ 123 124#define _COMPAT_NSIG 64 125#define _COMPAT_NSIG_BPW 32 126 127typedef u32 compat_sigset_word; 128 129#define COMPAT_OFF_T_MAX 0x7fffffff 130#define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL 131 132/* 133 * A pointer passed in from user mode. This should not 134 * be used for syscall parameters, just declare them 135 * as pointers because the syscall entry code will have 136 * appropriately converted them already. 137 */ 138typedef u32 compat_uptr_t; 139 140static inline void __user *compat_ptr(compat_uptr_t uptr) 141{ 142 return (void __user *)(unsigned long)uptr; 143} 144 145static inline compat_uptr_t ptr_to_compat(void __user *uptr) 146{ 147 return (u32)(unsigned long)uptr; 148} 149 150static __inline__ void __user *arch_compat_alloc_user_space(long len) 151{ 152 struct pt_regs *regs = ¤t->thread.regs; 153 return (void __user *)regs->gr[30]; 154} 155 156static inline int __is_compat_task(struct task_struct *t) 157{ 158 return test_ti_thread_flag(task_thread_info(t), TIF_32BIT); 159} 160 161static inline int is_compat_task(void) 162{ 163 return __is_compat_task(current); 164} 165 166#endif /* _ASM_PARISC_COMPAT_H */ 167