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 /* asm/sigcontext.h */
  21 typedef union
  22 {
  23         __u64   d;
  24         __u32   f;
  25 } freg_t32;
  26
  27 typedef struct
  28 {
  29         unsigned int    fpc;
  30         unsigned int    pad;
  31         freg_t32        fprs[__NUM_FPRS];
  32 } _s390_fp_regs32;
  33
  34 typedef struct
  35 {
  36         __u32   mask;
  37         __u32   addr;
  38 } _psw_t32 __attribute__ ((aligned(8)));
  39
  40 typedef struct
  41 {
  42         _psw_t32        psw;
  43         __u32           gprs[__NUM_GPRS];
  44         __u32           acrs[__NUM_ACRS];
  45 } _s390_regs_common32;
  46
  47 typedef struct
  48 {
  49         _s390_regs_common32 regs;
  50         _s390_fp_regs32     fpregs;
  51 } _sigregs32;
  52
  53 #define _SIGCONTEXT_NSIG32      64
  54 #define _SIGCONTEXT_NSIG_BPW32  32
  55 #define __SIGNAL_FRAMESIZE32    96
  56 #define _SIGMASK_COPY_SIZE32    (sizeof(u32)*2)
  57
  58 struct sigcontext32
  59 {
  60         __u32   oldmask[_COMPAT_NSIG_WORDS];
  61         __u32   sregs;                          /* pointer */
  62 };
  63
  64 /* asm/signal.h */
  65
  66 /* asm/ucontext.h */
  67 struct ucontext32 {
  68         __u32                   uc_flags;
  69         __u32                   uc_link;        /* pointer */
  70         compat_stack_t          uc_stack;
  71         _sigregs32              uc_mcontext;
  72         compat_sigset_t         uc_sigmask;
  73         /* Allow for uc_sigmask growth.  Glibc uses a 1024-bit sigset_t.  */
  74         unsigned char           __unused[128 - sizeof(compat_sigset_t)];
  75 };
  76
  77 struct stat64_emu31;
  78 struct mmap_arg_struct_emu31;
  79 struct fadvise64_64_args;
  80
  81 long compat_sys_s390_chown16(const char __user *filename, u16 user, u16 group);
  82 long compat_sys_s390_lchown16(const char __user *filename, u16 user, u16 group);
  83 long compat_sys_s390_fchown16(unsigned int fd, u16 user, u16 group);
  84 long compat_sys_s390_setregid16(u16 rgid, u16 egid);
  85 long compat_sys_s390_setgid16(u16 gid);
  86 long compat_sys_s390_setreuid16(u16 ruid, u16 euid);
  87 long compat_sys_s390_setuid16(u16 uid);
  88 long compat_sys_s390_setresuid16(u16 ruid, u16 euid, u16 suid);
  89 long compat_sys_s390_getresuid16(u16 __user *ruid, u16 __user *euid, u16 __user *suid);
  90 long compat_sys_s390_setresgid16(u16 rgid, u16 egid, u16 sgid);
  91 long compat_sys_s390_getresgid16(u16 __user *rgid, u16 __user *egid, u16 __user *sgid);
  92 long compat_sys_s390_setfsuid16(u16 uid);
  93 long compat_sys_s390_setfsgid16(u16 gid);
  94 long compat_sys_s390_getgroups16(int gidsetsize, u16 __user *grouplist);
  95 long compat_sys_s390_setgroups16(int gidsetsize, u16 __user *grouplist);
  96 long compat_sys_s390_getuid16(void);
  97 long compat_sys_s390_geteuid16(void);
  98 long compat_sys_s390_getgid16(void);
  99 long compat_sys_s390_getegid16(void);
 100 long compat_sys_s390_truncate64(const char __user *path, u32 high, u32 low);
 101 long compat_sys_s390_ftruncate64(unsigned int fd, u32 high, u32 low);
 102 long compat_sys_s390_pread64(unsigned int fd, char __user *ubuf, compat_size_t count, u32 high, u32 low);
 103 long compat_sys_s390_pwrite64(unsigned int fd, const char __user *ubuf, compat_size_t count, u32 high, u32 low);
 104 long compat_sys_s390_readahead(int fd, u32 high, u32 low, s32 count);
 105 long compat_sys_s390_stat64(const char __user *filename, struct stat64_emu31 __user *statbuf);
 106 long compat_sys_s390_lstat64(const char __user *filename, struct stat64_emu31 __user *statbuf);
 107 long compat_sys_s390_fstat64(unsigned int fd, struct stat64_emu31 __user *statbuf);
 108 long compat_sys_s390_fstatat64(unsigned int dfd, const char __user *filename, struct stat64_emu31 __user *statbuf, int flag);
 109 long compat_sys_s390_old_mmap(struct mmap_arg_struct_emu31 __user *arg);
 110 long compat_sys_s390_mmap2(struct mmap_arg_struct_emu31 __user *arg);
 111 long compat_sys_s390_read(unsigned int fd, char __user * buf, compat_size_t count);
 112 long compat_sys_s390_write(unsigned int fd, const char __user * buf, compat_size_t count);
 113 long compat_sys_s390_fadvise64(int fd, u32 high, u32 low, compat_size_t len, int advise);
 114 long compat_sys_s390_fadvise64_64(struct fadvise64_64_args __user *args);
 115 long compat_sys_s390_sync_file_range(int fd, u32 offhigh, u32 offlow, u32 nhigh, u32 nlow, unsigned int flags);
 116 long compat_sys_s390_fallocate(int fd, int mode, u32 offhigh, u32 offlow, u32 lenhigh, u32 lenlow);
 117 long compat_sys_sigreturn(void);
 118 long compat_sys_rt_sigreturn(void);
 119
 120 #endif /* _ASM_S390X_S390_H */