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
  17 struct 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  */
  28 struct 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__
  62 struct linux_binprm;
  63 extern int ia32_setup_arg_pages(struct linux_binprm *bprm,
  64                                 unsigned long stack_top, int exec_stack);
  65 struct mm_struct;
  66 extern 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 */