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Linux/arch/s390/kernel/compat_linux.h

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  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 typedef struct
 54 {
 55         __u32 gprs_high[__NUM_GPRS];
 56         __u64 vxrs_low[__NUM_VXRS_LOW];
 57         __vector128 vxrs_high[__NUM_VXRS_HIGH];
 58         __u8 __reserved[128];
 59 } _sigregs_ext32;
 60 
 61 #define _SIGCONTEXT_NSIG32      64
 62 #define _SIGCONTEXT_NSIG_BPW32  32
 63 #define __SIGNAL_FRAMESIZE32    96
 64 #define _SIGMASK_COPY_SIZE32    (sizeof(u32)*2)
 65 
 66 struct sigcontext32
 67 {
 68         __u32   oldmask[_COMPAT_NSIG_WORDS];
 69         __u32   sregs;                          /* pointer */
 70 };
 71 
 72 /* asm/signal.h */
 73 
 74 /* asm/ucontext.h */
 75 struct ucontext32 {
 76         __u32                   uc_flags;
 77         __u32                   uc_link;        /* pointer */   
 78         compat_stack_t          uc_stack;
 79         _sigregs32              uc_mcontext;
 80         compat_sigset_t         uc_sigmask;
 81         /* Allow for uc_sigmask growth.  Glibc uses a 1024-bit sigset_t.  */
 82         unsigned char           __unused[128 - sizeof(compat_sigset_t)];
 83         _sigregs_ext32          uc_mcontext_ext;
 84 };
 85 
 86 struct stat64_emu31;
 87 struct mmap_arg_struct_emu31;
 88 struct fadvise64_64_args;
 89 
 90 long compat_sys_s390_chown16(const char __user *filename, u16 user, u16 group);
 91 long compat_sys_s390_lchown16(const char __user *filename, u16 user, u16 group);
 92 long compat_sys_s390_fchown16(unsigned int fd, u16 user, u16 group);
 93 long compat_sys_s390_setregid16(u16 rgid, u16 egid);
 94 long compat_sys_s390_setgid16(u16 gid);
 95 long compat_sys_s390_setreuid16(u16 ruid, u16 euid);
 96 long compat_sys_s390_setuid16(u16 uid);
 97 long compat_sys_s390_setresuid16(u16 ruid, u16 euid, u16 suid);
 98 long compat_sys_s390_getresuid16(u16 __user *ruid, u16 __user *euid, u16 __user *suid);
 99 long compat_sys_s390_setresgid16(u16 rgid, u16 egid, u16 sgid);
100 long compat_sys_s390_getresgid16(u16 __user *rgid, u16 __user *egid, u16 __user *sgid);
101 long compat_sys_s390_setfsuid16(u16 uid);
102 long compat_sys_s390_setfsgid16(u16 gid);
103 long compat_sys_s390_getgroups16(int gidsetsize, u16 __user *grouplist);
104 long compat_sys_s390_setgroups16(int gidsetsize, u16 __user *grouplist);
105 long compat_sys_s390_getuid16(void);
106 long compat_sys_s390_geteuid16(void);
107 long compat_sys_s390_getgid16(void);
108 long compat_sys_s390_getegid16(void);
109 long compat_sys_s390_truncate64(const char __user *path, u32 high, u32 low);
110 long compat_sys_s390_ftruncate64(unsigned int fd, u32 high, u32 low);
111 long compat_sys_s390_pread64(unsigned int fd, char __user *ubuf, compat_size_t count, u32 high, u32 low);
112 long compat_sys_s390_pwrite64(unsigned int fd, const char __user *ubuf, compat_size_t count, u32 high, u32 low);
113 long compat_sys_s390_readahead(int fd, u32 high, u32 low, s32 count);
114 long compat_sys_s390_stat64(const char __user *filename, struct stat64_emu31 __user *statbuf);
115 long compat_sys_s390_lstat64(const char __user *filename, struct stat64_emu31 __user *statbuf);
116 long compat_sys_s390_fstat64(unsigned int fd, struct stat64_emu31 __user *statbuf);
117 long compat_sys_s390_fstatat64(unsigned int dfd, const char __user *filename, struct stat64_emu31 __user *statbuf, int flag);
118 long compat_sys_s390_old_mmap(struct mmap_arg_struct_emu31 __user *arg);
119 long compat_sys_s390_mmap2(struct mmap_arg_struct_emu31 __user *arg);
120 long compat_sys_s390_read(unsigned int fd, char __user * buf, compat_size_t count);
121 long compat_sys_s390_write(unsigned int fd, const char __user * buf, compat_size_t count);
122 long compat_sys_s390_fadvise64(int fd, u32 high, u32 low, compat_size_t len, int advise);
123 long compat_sys_s390_fadvise64_64(struct fadvise64_64_args __user *args);
124 long compat_sys_s390_sync_file_range(int fd, u32 offhigh, u32 offlow, u32 nhigh, u32 nlow, unsigned int flags);
125 long compat_sys_s390_fallocate(int fd, int mode, u32 offhigh, u32 offlow, u32 lenhigh, u32 lenlow);
126 long compat_sys_sigreturn(void);
127 long compat_sys_rt_sigreturn(void);
128 
129 #endif /* _ASM_S390X_S390_H */
130 

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