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 <asm/sigcontext32.h>
  14
  15 /* signal.h */
  16
  17 struct ucontext_ia32 {
  18         unsigned int      uc_flags;
  19         unsigned int      uc_link;
  20         compat_stack_t    uc_stack;
  21         struct sigcontext_ia32 uc_mcontext;
  22         compat_sigset_t   uc_sigmask;   /* mask last for extensibility */
  23 };
  24
  25 struct ucontext_x32 {
  26         unsigned int      uc_flags;
  27         unsigned int      uc_link;
  28         compat_stack_t    uc_stack;
  29         unsigned int      uc__pad0;     /* needed for alignment */
  30         struct sigcontext uc_mcontext;  /* the 64-bit sigcontext type */
  31         compat_sigset_t   uc_sigmask;   /* mask last for extensibility */
  32 };
  33
  34 /* This matches struct stat64 in glibc2.2, hence the absolutely
  35  * insane amounts of padding around dev_t's.
  36  */
  37 struct stat64 {
  38         unsigned long long      st_dev;
  39         unsigned char           __pad0[4];
  40
  41 #define STAT64_HAS_BROKEN_ST_INO        1
  42         unsigned int            __st_ino;
  43
  44         unsigned int            st_mode;
  45         unsigned int            st_nlink;
  46
  47         unsigned int            st_uid;
  48         unsigned int            st_gid;
  49
  50         unsigned long long      st_rdev;
  51         unsigned char           __pad3[4];
  52
  53         long long               st_size;
  54         unsigned int            st_blksize;
  55
  56         long long               st_blocks;/* Number 512-byte blocks allocated */
  57
  58         unsigned                st_atime;
  59         unsigned                st_atime_nsec;
  60         unsigned                st_mtime;
  61         unsigned                st_mtime_nsec;
  62         unsigned                st_ctime;
  63         unsigned                st_ctime_nsec;
  64
  65         unsigned long long      st_ino;
  66 } __attribute__((packed));
  67
  68 #define IA32_STACK_TOP IA32_PAGE_OFFSET
  69
  70 #ifdef __KERNEL__
  71 struct linux_binprm;
  72 extern int ia32_setup_arg_pages(struct linux_binprm *bprm,
  73                                 unsigned long stack_top, int exec_stack);
  74 struct mm_struct;
  75 extern void ia32_pick_mmap_layout(struct mm_struct *mm);
  76
  77 #endif
  78
  79 #endif /* !CONFIG_IA32_SUPPORT */
  80
  81 #endif /* _ASM_X86_IA32_H */