#ifndef _ASM_X86_64_IA32_H

#define _ASM_X86_64_IA32_H

#ifdef CONFIG_IA32_EMULATION

#include <linux/compat.h>

/*

 * 32 bit structures for IA32 support.

 */

#include <asm/sigcontext32.h>

/* signal.h */

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 */

       compat_sigset_t sa_mask;		/* A 32 bit mask */

};

struct old_sigaction32 {

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

					     with 32 bits */

       compat_old_sigset_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;

	compat_sigset_t	  uc_sigmask;	/* mask last for extensibility */

};

/* 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 		st_atime;

	unsigned 		st_atime_nsec;

	unsigned 		st_mtime;

	unsigned 		st_mtime_nsec;

	unsigned 		st_ctime;

	unsigned 		st_ctime_nsec;

	unsigned long long	st_ino;

} __attribute__((packed));

typedef struct compat_siginfo{

	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 {

			compat_timer_t _tid;	/* timer id */

			int _overrun;		/* overrun count */

			compat_sigval_t _sigval;	/* same as below */

			int _sys_private;	/* not to be passed to user */

			int _overrun_incr;	/* amount to add to overrun */

		} _timer;

		/* POSIX.1b signals */

		struct {

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

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

			compat_sigval_t _sigval;

		} _rt;

		/* SIGCHLD */

		struct {

			unsigned int _pid;	/* which child */

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

			int _status;		/* exit code */

			compat_clock_t _utime;

			compat_clock_t _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;

} compat_siginfo_t;

struct sigframe32

{

        u32 pretcode;

        int sig;

        struct sigcontext_ia32 sc;

        struct _fpstate_ia32 fpstate;

        unsigned int extramask[_COMPAT_NSIG_WORDS-1];

};

struct rt_sigframe32

{

        u32 pretcode;

        int sig;

        u32 pinfo;

        u32 puc;

        compat_siginfo_t info;

        struct ucontext_ia32 uc;

        struct _fpstate_ia32 fpstate;

};

struct ustat32 {

	__u32	f_tfree;

	compat_ino_t		f_tinode;

	char			f_fname[6];

	char			f_fpack[6];

};

#define IA32_STACK_TOP IA32_PAGE_OFFSET

#ifdef __KERNEL__

struct user_desc;

struct siginfo_t;

int do_get_thread_area(struct thread_struct *t, struct user_desc __user *info);

int do_set_thread_area(struct thread_struct *t, struct user_desc __user *info);

int ia32_child_tls(struct task_struct *p, struct pt_regs *childregs);

struct linux_binprm;

extern int ia32_setup_arg_pages(struct linux_binprm *bprm,

				unsigned long stack_top, int exec_stack);

struct mm_struct;

extern void ia32_pick_mmap_layout(struct mm_struct *mm);

#endif

#endif /* !CONFIG_IA32_SUPPORT */

#endif