LXR linux/arch/x86/include/asm/ia32.h

   1#ifndef _ASM_X86_IA32_H
   2#define _ASM_X86_IA32_H
   3
   4
   5#ifdef CONFIG_IA32_EMULATION
   6
   7#include <linux/compat.h>
   8
   9/*
  10 * 32 bit structures for IA32 support.
  11 */
  12
  13#include <uapi/asm/sigcontext.h>
  14
  15/* signal.h */
  16
  17struct ucontext_ia32 {
  18        unsigned int      uc_flags;
  19        unsigned int      uc_link;
  20        compat_stack_t    uc_stack;
  21        struct sigcontext_32 uc_mcontext;
  22        compat_sigset_t   uc_sigmask;   /* mask last for extensibility */
  23};
  24
  25/* This matches struct stat64 in glibc2.2, hence the absolutely
  26 * insane amounts of padding around dev_t's.
  27 */
  28struct stat64 {
  29        unsigned long long      st_dev;
  30        unsigned char           __pad0[4];
  31
  32#define STAT64_HAS_BROKEN_ST_INO        1
  33        unsigned int            __st_ino;
  34
  35        unsigned int            st_mode;
  36        unsigned int            st_nlink;
  37
  38        unsigned int            st_uid;
  39        unsigned int            st_gid;
  40
  41        unsigned long long      st_rdev;
  42        unsigned char           __pad3[4];
  43
  44        long long               st_size;
  45        unsigned int            st_blksize;
  46
  47        long long               st_blocks;/* Number 512-byte blocks allocated */
  48
  49        unsigned                st_atime;
  50        unsigned                st_atime_nsec;
  51        unsigned                st_mtime;
  52        unsigned                st_mtime_nsec;
  53        unsigned                st_ctime;
  54        unsigned                st_ctime_nsec;
  55
  56        unsigned long long      st_ino;
  57} __attribute__((packed));
  58
  59#define IA32_STACK_TOP IA32_PAGE_OFFSET
  60
  61#ifdef __KERNEL__
  62struct linux_binprm;
  63extern int ia32_setup_arg_pages(struct linux_binprm *bprm,
  64                                unsigned long stack_top, int exec_stack);
  65struct mm_struct;
  66extern void ia32_pick_mmap_layout(struct mm_struct *mm);
  67
  68#endif
  69
  70#endif /* !CONFIG_IA32_SUPPORT */
  71
  72#endif /* _ASM_X86_IA32_H */
  73