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