arch/s390/kernel/compat_linux.h

   1 #ifndef _ASM_S390X_S390_H
   2 #define _ASM_S390X_S390_H
   3
   4 #include <linux/compat.h>
   5 #include <linux/socket.h>
   6 #include <linux/syscalls.h>
   7
   8 /* Macro that masks the high order bit of an 32 bit pointer and converts it*/
   9 /*       to a 64 bit pointer */
  10 #define A(__x) ((unsigned long)((__x) & 0x7FFFFFFFUL))
  11 #define AA(__x)                         \
  12         ((unsigned long)(__x))
  13
  14 /* Now 32bit compatibility types */
  15 struct ipc_kludge_32 {
  16         __u32   msgp;                           /* pointer              */
  17         __s32   msgtyp;
  18 };
  19
  20 struct old_sigaction32 {
  21        __u32                    sa_handler;     /* Really a pointer, but need to deal with 32 bits */
  22        compat_old_sigset_t      sa_mask;        /* A 32 bit mask */
  23        __u32                    sa_flags;
  24        __u32                    sa_restorer;    /* Another 32 bit pointer */
  25 };
  26
  27 /* asm/sigcontext.h */
  28 typedef union
  29 {
  30         __u64   d;
  31         __u32   f;
  32 } freg_t32;
  33
  34 typedef struct
  35 {
  36         unsigned int    fpc;
  37         freg_t32        fprs[__NUM_FPRS];
  38 } _s390_fp_regs32;
  39
  40 typedef struct
  41 {
  42         __u32   mask;
  43         __u32   addr;
  44 } _psw_t32 __attribute__ ((aligned(8)));
  45
  46 typedef struct
  47 {
  48         _psw_t32        psw;
  49         __u32           gprs[__NUM_GPRS];
  50         __u32           acrs[__NUM_ACRS];
  51 } _s390_regs_common32;
  52
  53 typedef struct
  54 {
  55         _s390_regs_common32 regs;
  56         _s390_fp_regs32     fpregs;
  57 } _sigregs32;
  58
  59 #define _SIGCONTEXT_NSIG32      64
  60 #define _SIGCONTEXT_NSIG_BPW32  32
  61 #define __SIGNAL_FRAMESIZE32    96
  62 #define _SIGMASK_COPY_SIZE32    (sizeof(u32)*2)
  63
  64 struct sigcontext32
  65 {
  66         __u32   oldmask[_COMPAT_NSIG_WORDS];
  67         __u32   sregs;                          /* pointer */
  68 };
  69
  70 /* asm/signal.h */
  71 struct sigaction32 {
  72         __u32           sa_handler;             /* pointer */
  73         __u32           sa_flags;
  74         __u32           sa_restorer;            /* pointer */
  75         compat_sigset_t sa_mask;        /* mask last for extensibility */
  76 };
  77
  78 typedef struct {
  79         __u32                   ss_sp;          /* pointer */
  80         int                     ss_flags;
  81         compat_size_t           ss_size;
  82 } stack_t32;
  83
  84 /* asm/ucontext.h */
  85 struct ucontext32 {
  86         __u32                   uc_flags;
  87         __u32                   uc_link;        /* pointer */
  88         stack_t32               uc_stack;
  89         _sigregs32              uc_mcontext;
  90         compat_sigset_t         uc_sigmask;     /* mask last for extensibility */
  91 };
  92
  93 struct stat64_emu31;
  94 struct mmap_arg_struct_emu31;
  95 struct fadvise64_64_args;
  96 struct old_sigaction32;
  97 struct old_sigaction32;
  98
  99 long sys32_chown16(const char __user * filename, u16 user, u16 group);
 100 long sys32_lchown16(const char __user * filename, u16 user, u16 group);
 101 long sys32_fchown16(unsigned int fd, u16 user, u16 group);
 102 long sys32_setregid16(u16 rgid, u16 egid);
 103 long sys32_setgid16(u16 gid);
 104 long sys32_setreuid16(u16 ruid, u16 euid);
 105 long sys32_setuid16(u16 uid);
 106 long sys32_setresuid16(u16 ruid, u16 euid, u16 suid);
 107 long sys32_getresuid16(u16 __user *ruid, u16 __user *euid, u16 __user *suid);
 108 long sys32_setresgid16(u16 rgid, u16 egid, u16 sgid);
 109 long sys32_getresgid16(u16 __user *rgid, u16 __user *egid, u16 __user *sgid);
 110 long sys32_setfsuid16(u16 uid);
 111 long sys32_setfsgid16(u16 gid);
 112 long sys32_getgroups16(int gidsetsize, u16 __user *grouplist);
 113 long sys32_setgroups16(int gidsetsize, u16 __user *grouplist);
 114 long sys32_getuid16(void);
 115 long sys32_geteuid16(void);
 116 long sys32_getgid16(void);
 117 long sys32_getegid16(void);
 118 long sys32_ipc(u32 call, int first, int second, int third, u32 ptr);
 119 long sys32_truncate64(const char __user * path, unsigned long high,
 120                       unsigned long low);
 121 long sys32_ftruncate64(unsigned int fd, unsigned long high, unsigned long low);
 122 long sys32_sched_rr_get_interval(compat_pid_t pid,
 123                                  struct compat_timespec __user *interval);
 124 long sys32_rt_sigprocmask(int how, compat_sigset_t __user *set,
 125                           compat_sigset_t __user *oset, size_t sigsetsize);
 126 long sys32_rt_sigpending(compat_sigset_t __user *set, size_t sigsetsize);
 127 long sys32_rt_sigqueueinfo(int pid, int sig, compat_siginfo_t __user *uinfo);
 128 long sys32_init_module(void __user *umod, unsigned long len,
 129                        const char __user *uargs);
 130 long sys32_delete_module(const char __user *name_user, unsigned int flags);
 131 long sys32_pread64(unsigned int fd, char __user *ubuf, size_t count,
 132                    u32 poshi, u32 poslo);
 133 long sys32_pwrite64(unsigned int fd, const char __user *ubuf,
 134                     size_t count, u32 poshi, u32 poslo);
 135 compat_ssize_t sys32_readahead(int fd, u32 offhi, u32 offlo, s32 count);
 136 long sys32_sendfile(int out_fd, int in_fd, compat_off_t __user *offset,
 137                     size_t count);
 138 long sys32_sendfile64(int out_fd, int in_fd, compat_loff_t __user *offset,
 139                       s32 count);
 140 long sys32_stat64(const char __user * filename, struct stat64_emu31 __user * statbuf);
 141 long sys32_lstat64(const char __user * filename,
 142                    struct stat64_emu31 __user * statbuf);
 143 long sys32_fstat64(unsigned long fd, struct stat64_emu31 __user * statbuf);
 144 long sys32_fstatat64(unsigned int dfd, const char __user *filename,
 145                      struct stat64_emu31 __user* statbuf, int flag);
 146 unsigned long old32_mmap(struct mmap_arg_struct_emu31 __user *arg);
 147 long sys32_mmap2(struct mmap_arg_struct_emu31 __user *arg);
 148 long sys32_read(unsigned int fd, char __user * buf, size_t count);
 149 long sys32_write(unsigned int fd, const char __user * buf, size_t count);
 150 long sys32_fadvise64(int fd, loff_t offset, size_t len, int advise);
 151 long sys32_fadvise64_64(struct fadvise64_64_args __user *args);
 152 long sys32_sigaction(int sig, const struct old_sigaction32 __user *act,
 153                      struct old_sigaction32 __user *oact);
 154 long sys32_rt_sigaction(int sig, const struct sigaction32 __user *act,
 155                         struct sigaction32 __user *oact, size_t sigsetsize);
 156 long sys32_sigaltstack(const stack_t32 __user *uss, stack_t32 __user *uoss);
 157 #endif /* _ASM_S390X_S390_H */