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#ifndef _ASM_X86_64_IA32_H

#define _ASM_X86_64_IA32_H

#include <linux/config.h>

#ifdef CONFIG_IA32_EMULATION

/*

 * 32 bit structures for IA32 support.

 */

/* 32bit compatibility types */

typedef unsigned int           __kernel_size_t32;

typedef int                    __kernel_ssize_t32;

typedef int                    __kernel_ptrdiff_t32;

typedef int                    __kernel_time_t32;

typedef int                    __kernel_clock_t32;

typedef int                    __kernel_pid_t32;

typedef unsigned short         __kernel_ipc_pid_t32;

typedef unsigned short         __kernel_uid_t32;

typedef unsigned               __kernel_uid32_t32;

typedef unsigned short         __kernel_gid_t32;

typedef unsigned               __kernel_gid32_t32;

typedef unsigned short         __kernel_dev_t32;

typedef unsigned int           __kernel_ino_t32;

typedef unsigned short         __kernel_mode_t32;

typedef unsigned short         __kernel_umode_t32;

typedef short                  __kernel_nlink_t32;

typedef int                    __kernel_daddr_t32;

typedef int                    __kernel_off_t32;

typedef unsigned int           __kernel_caddr_t32;

typedef long                   __kernel_loff_t32;

typedef __kernel_fsid_t        __kernel_fsid_t32;

/* fcntl.h */

struct flock32 {

       short l_type;

       short l_whence;

       __kernel_off_t32 l_start;

       __kernel_off_t32 l_len;

       __kernel_pid_t32 l_pid;

};

struct ia32_flock64 {

        short  l_type;

        short  l_whence;

        loff_t l_start;  /* unnatural alignment */

        loff_t l_len;

        pid_t  l_pid;

} __attribute__((packed));

#define F_GETLK64       12      /*  using 'struct flock64' */

#define F_SETLK64       13

#define F_SETLKW64      14

#include <asm/sigcontext32.h>

/* signal.h */

#define _IA32_NSIG             64

#define _IA32_NSIG_BPW         32

#define _IA32_NSIG_WORDS               (_IA32_NSIG / _IA32_NSIG_BPW)

typedef struct {

       unsigned int sig[_IA32_NSIG_WORDS];

} sigset32_t;

struct sigaction32 {

       unsigned int  sa_handler;        /* Really a pointer, but need to deal

                                             with 32 bits */

       unsigned int sa_flags;

       unsigned int sa_restorer;        /* Another 32 bit pointer */

       sigset32_t sa_mask;              /* A 32 bit mask */

};

typedef unsigned int old_sigset32_t;    /* at least 32 bits */

struct old_sigaction32 {

       unsigned int  sa_handler;        /* Really a pointer, but need to deal

                                             with 32 bits */

       old_sigset32_t sa_mask;          /* A 32 bit mask */

       unsigned int sa_flags;

       unsigned int sa_restorer;        /* Another 32 bit pointer */

};

typedef struct sigaltstack_ia32 {

        unsigned int    ss_sp;

        int             ss_flags;

        unsigned int    ss_size;

} stack_ia32_t;

struct ucontext_ia32 {

        unsigned int      uc_flags;

        unsigned int      uc_link;

        stack_ia32_t      uc_stack;

        struct sigcontext_ia32 uc_mcontext;

        sigset32_t        uc_sigmask;   /* mask last for extensibility */

};

struct stat32 {

       unsigned short st_dev;

       unsigned short __pad1;

       unsigned int st_ino;

       unsigned short st_mode;

       unsigned short st_nlink;

       unsigned short st_uid;

       unsigned short st_gid;

       unsigned short st_rdev;

       unsigned short __pad2;

       unsigned int  st_size;

       unsigned int  st_blksize;

       unsigned int  st_blocks;

       unsigned int  st_atime;

       unsigned int  __unused1;

       unsigned int  st_mtime;

       unsigned int  __unused2;

       unsigned int  st_ctime;

       unsigned int  __unused3;

       unsigned int  __unused4;

       unsigned int  __unused5;

};

/* This matches struct stat64 in glibc2.2, hence the absolutely

 * insane amounts of padding around dev_t's.

 */

struct stat64 {

        unsigned long long      st_dev;

        unsigned char           __pad0[4];

#define STAT64_HAS_BROKEN_ST_INO        1

        unsigned int            __st_ino;

        unsigned int            st_mode;

        unsigned int            st_nlink;

        unsigned int            st_uid;

        unsigned int            st_gid;

        unsigned long long      st_rdev;

        unsigned char           __pad3[4];

        long long               st_size;

        unsigned int            st_blksize;

        long long               st_blocks;/* Number 512-byte blocks allocated. */

        unsigned long long      st_atime;

        unsigned long long      st_mtime;

        unsigned long long      st_ctime;

        unsigned long long      st_ino;

} __attribute__((packed));

struct statfs32 {

       int f_type;

       int f_bsize;

       int f_blocks;

       int f_bfree;

       int f_bavail;

       int f_files;

       int f_ffree;

       __kernel_fsid_t32 f_fsid;

       int f_namelen;  /* SunOS ignores this field. */

       int f_spare[6];

};

typedef union sigval32 {

        int sival_int;

        unsigned int sival_ptr;

} sigval_t32;

typedef struct siginfo32 {

        int si_signo;

        int si_errno;

        int si_code;

        union {

                int _pad[((128/sizeof(int)) - 3)];

                /* kill() */

                struct {

                        unsigned int _pid;      /* sender's pid */

                        unsigned int _uid;      /* sender's uid */

                } _kill;

                /* POSIX.1b timers */

                struct {

                        unsigned int _timer1;

                        unsigned int _timer2;

                } _timer;

                /* POSIX.1b signals */

                struct {

                        unsigned int _pid;      /* sender's pid */

                        unsigned int _uid;      /* sender's uid */

                        sigval_t32 _sigval;

                } _rt;

                /* SIGCHLD */

                struct {

                        unsigned int _pid;      /* which child */

                        unsigned int _uid;      /* sender's uid */

                        int _status;            /* exit code */

                        __kernel_clock_t32 _utime;

                        __kernel_clock_t32 _stime;

                } _sigchld;

                /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */

                struct {

                        unsigned int _addr;     /* faulting insn/memory ref. */

                } _sigfault;

                /* SIGPOLL */

                struct {

                        int _band;      /* POLL_IN, POLL_OUT, POLL_MSG */

                        int _fd;

                } _sigpoll;

        } _sifields;

} siginfo_t32;

struct ustat32 {

        __u32   f_tfree;

        __kernel_ino_t32                f_tinode;

        char                    f_fname[6];

        char                    f_fpack[6];

};

struct iovec32 {

        unsigned int iov_base;

        int iov_len;

};

struct timespec32 {

        int     tv_sec;

        int     tv_nsec;

};

#endif /* !CONFIG_IA32_SUPPORT */

#endif