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 <asm/sigcontext32.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_ia32 uc_mcontext;
  22        compat_sigset_t   uc_sigmask;   /* mask last for extensibility */
  23};
  24
  25struct 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 */
  37struct 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__
  71struct linux_binprm;
  72extern int ia32_setup_arg_pages(struct linux_binprm *bprm,
  73                                unsigned long stack_top, int exec_stack);
  74struct mm_struct;
  75extern 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 */
  82