root/arch/x86/include/asm/ia32.h

INCLUDED FROM

#ifndef _ASM_X86_IA32_H
#define _ASM_X86_IA32_H


#ifdef CONFIG_IA32_EMULATION

#include <linux/compat.h>

/*
 * 32 bit structures for IA32 support.
 */

#include <asm/sigcontext32.h>

/* signal.h */

struct ucontext_ia32 {
        unsigned int      uc_flags;
        unsigned int      uc_link;
        compat_stack_t    uc_stack;
        struct sigcontext_ia32 uc_mcontext;
        compat_sigset_t   uc_sigmask;   /* mask last for extensibility */
};

struct ucontext_x32 {
        unsigned int      uc_flags;
        unsigned int      uc_link;
        compat_stack_t    uc_stack;
        unsigned int      uc__pad0;     /* needed for alignment */
        struct sigcontext uc_mcontext;  /* the 64-bit sigcontext type */
        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));

#define IA32_STACK_TOP IA32_PAGE_OFFSET

#ifdef __KERNEL__
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 /* _ASM_X86_IA32_H */