LXR linux/arch/s390/kernel/compat

   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 */
  15struct ipc_kludge_32 {
  16        __u32   msgp;                           /* pointer              */
  17        __s32   msgtyp;
  18};
  19
  20/* asm/sigcontext.h */
  21typedef union
  22{
  23        __u64   d;
  24        __u32   f; 
  25} freg_t32;
  26
  27typedef struct
  28{
  29        unsigned int    fpc;
  30        freg_t32        fprs[__NUM_FPRS];              
  31} _s390_fp_regs32;
  32
  33typedef struct 
  34{
  35        __u32   mask;
  36        __u32   addr;
  37} _psw_t32 __attribute__ ((aligned(8)));
  38
  39typedef struct
  40{
  41        _psw_t32        psw;
  42        __u32           gprs[__NUM_GPRS];
  43        __u32           acrs[__NUM_ACRS];
  44} _s390_regs_common32;
  45
  46typedef struct
  47{
  48        _s390_regs_common32 regs;
  49        _s390_fp_regs32     fpregs;
  50} _sigregs32;
  51
  52#define _SIGCONTEXT_NSIG32      64
  53#define _SIGCONTEXT_NSIG_BPW32  32
  54#define __SIGNAL_FRAMESIZE32    96
  55#define _SIGMASK_COPY_SIZE32    (sizeof(u32)*2)
  56
  57struct sigcontext32
  58{
  59        __u32   oldmask[_COMPAT_NSIG_WORDS];
  60        __u32   sregs;                          /* pointer */
  61};
  62
  63/* asm/signal.h */
  64
  65/* asm/ucontext.h */
  66struct ucontext32 {
  67        __u32                   uc_flags;
  68        __u32                   uc_link;        /* pointer */   
  69        compat_stack_t          uc_stack;
  70        _sigregs32              uc_mcontext;
  71        compat_sigset_t         uc_sigmask;     /* mask last for extensibility */
  72};
  73
  74struct stat64_emu31;
  75struct mmap_arg_struct_emu31;
  76struct fadvise64_64_args;
  77
  78long sys32_chown16(const char __user * filename, u16 user, u16 group);
  79long sys32_lchown16(const char __user * filename, u16 user, u16 group);
  80long sys32_fchown16(unsigned int fd, u16 user, u16 group);
  81long sys32_setregid16(u16 rgid, u16 egid);
  82long sys32_setgid16(u16 gid);
  83long sys32_setreuid16(u16 ruid, u16 euid);
  84long sys32_setuid16(u16 uid);
  85long sys32_setresuid16(u16 ruid, u16 euid, u16 suid);
  86long sys32_getresuid16(u16 __user *ruid, u16 __user *euid, u16 __user *suid);
  87long sys32_setresgid16(u16 rgid, u16 egid, u16 sgid);
  88long sys32_getresgid16(u16 __user *rgid, u16 __user *egid, u16 __user *sgid);
  89long sys32_setfsuid16(u16 uid);
  90long sys32_setfsgid16(u16 gid);
  91long sys32_getgroups16(int gidsetsize, u16 __user *grouplist);
  92long sys32_setgroups16(int gidsetsize, u16 __user *grouplist);
  93long sys32_getuid16(void);
  94long sys32_geteuid16(void);
  95long sys32_getgid16(void);
  96long sys32_getegid16(void);
  97long sys32_truncate64(const char __user * path, unsigned long high,
  98                      unsigned long low);
  99long sys32_ftruncate64(unsigned int fd, unsigned long high, unsigned long low);
 100long sys32_init_module(void __user *umod, unsigned long len,
 101                       const char __user *uargs);
 102long sys32_delete_module(const char __user *name_user, unsigned int flags);
 103long sys32_pread64(unsigned int fd, char __user *ubuf, size_t count,
 104                   u32 poshi, u32 poslo);
 105long sys32_pwrite64(unsigned int fd, const char __user *ubuf,
 106                    size_t count, u32 poshi, u32 poslo);
 107compat_ssize_t sys32_readahead(int fd, u32 offhi, u32 offlo, s32 count);
 108long sys32_stat64(const char __user * filename, struct stat64_emu31 __user * statbuf);
 109long sys32_lstat64(const char __user * filename,
 110                   struct stat64_emu31 __user * statbuf);
 111long sys32_fstat64(unsigned long fd, struct stat64_emu31 __user * statbuf);
 112long sys32_fstatat64(unsigned int dfd, const char __user *filename,
 113                     struct stat64_emu31 __user* statbuf, int flag);
 114unsigned long old32_mmap(struct mmap_arg_struct_emu31 __user *arg);
 115long sys32_mmap2(struct mmap_arg_struct_emu31 __user *arg);
 116long sys32_read(unsigned int fd, char __user * buf, size_t count);
 117long sys32_write(unsigned int fd, const char __user * buf, size_t count);
 118long sys32_fadvise64(int fd, loff_t offset, size_t len, int advise);
 119long sys32_fadvise64_64(struct fadvise64_64_args __user *args);
 120#endif /* _ASM_S390X_S390_H */
 121