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H. Peter Anvin1965aae2008-10-22 22:26:29 -07001#ifndef _ASM_X86_IA32_H
2#define _ASM_X86_IA32_H
Linus Torvalds1da177e2005-04-16 15:20:36 -07003
Linus Torvalds1da177e2005-04-16 15:20:36 -07004
5#ifdef CONFIG_IA32_EMULATION
6
7#include <linux/compat.h>
8
9/*
10 * 32 bit structures for IA32 support.
11 */
12
Ingo Molnardecb4c42015-09-05 09:32:43 +020013#include <uapi/asm/sigcontext.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070014
15/* signal.h */
Linus Torvalds1da177e2005-04-16 15:20:36 -070016
Linus Torvalds1da177e2005-04-16 15:20:36 -070017struct ucontext_ia32 {
18 unsigned int uc_flags;
19 unsigned int uc_link;
Al Viro90268432012-12-14 14:47:53 -050020 compat_stack_t uc_stack;
Ingo Molnar8fcb3462015-09-05 09:32:41 +020021 struct sigcontext_32 uc_mcontext;
Linus Torvalds1da177e2005-04-16 15:20:36 -070022 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
Joe Perches9bd73422008-03-23 01:02:20 -070047 long long st_blocks;/* Number 512-byte blocks allocated */
Linus Torvalds1da177e2005-04-16 15:20:36 -070048
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
Linus Torvalds1da177e2005-04-16 15:20:36 -070059#define IA32_STACK_TOP IA32_PAGE_OFFSET
60
61#ifdef __KERNEL__
Andi Kleenea0be472005-11-05 17:25:54 +010062struct linux_binprm;
63extern int ia32_setup_arg_pages(struct linux_binprm *bprm,
64 unsigned long stack_top, int exec_stack);
Andi Kleen88172102006-01-17 07:03:38 +010065struct mm_struct;
66extern void ia32_pick_mmap_layout(struct mm_struct *mm);
Andi Kleenea0be472005-11-05 17:25:54 +010067
Linus Torvalds1da177e2005-04-16 15:20:36 -070068#endif
69
70#endif /* !CONFIG_IA32_SUPPORT */
Joe Perches9bd73422008-03-23 01:02:20 -070071
H. Peter Anvin1965aae2008-10-22 22:26:29 -070072#endif /* _ASM_X86_IA32_H */