[PATCH] compat: introduce compat_time_t
[linux-3.10.git] / include / asm-x86_64 / ia32.h
1 #ifndef _ASM_X86_64_IA32_H
2 #define _ASM_X86_64_IA32_H
3
4 #include <linux/config.h>
5
6 #ifdef CONFIG_IA32_EMULATION
7
8 #include <linux/compat.h>
9
10 /*
11  * 32 bit structures for IA32 support.
12  */
13
14 #include <asm/sigcontext32.h>
15
16 /* signal.h */
17 struct sigaction32 {
18        unsigned int  sa_handler;        /* Really a pointer, but need to deal 
19                                              with 32 bits */
20        unsigned int sa_flags;
21        unsigned int sa_restorer;        /* Another 32 bit pointer */
22        compat_sigset_t sa_mask;         /* A 32 bit mask */
23 };
24
25 struct old_sigaction32 {
26        unsigned int  sa_handler;        /* Really a pointer, but need to deal 
27                                              with 32 bits */
28        compat_old_sigset_t sa_mask;             /* A 32 bit mask */
29        unsigned int sa_flags;
30        unsigned int sa_restorer;        /* Another 32 bit pointer */
31 };
32
33 typedef struct sigaltstack_ia32 {
34         unsigned int    ss_sp;
35         int             ss_flags;
36         unsigned int    ss_size;
37 } stack_ia32_t;
38
39 struct ucontext_ia32 {
40         unsigned int      uc_flags;
41         unsigned int      uc_link;
42         stack_ia32_t      uc_stack;
43         struct sigcontext_ia32 uc_mcontext;
44         compat_sigset_t   uc_sigmask;   /* mask last for extensibility */
45 };
46
47 /* This matches struct stat64 in glibc2.2, hence the absolutely
48  * insane amounts of padding around dev_t's.
49  */
50 struct stat64 {
51         unsigned long long      st_dev;
52         unsigned char           __pad0[4];
53
54 #define STAT64_HAS_BROKEN_ST_INO        1
55         unsigned int            __st_ino;
56
57         unsigned int            st_mode;
58         unsigned int            st_nlink;
59
60         unsigned int            st_uid;
61         unsigned int            st_gid;
62
63         unsigned long long      st_rdev;
64         unsigned char           __pad3[4];
65
66         long long               st_size;
67         unsigned int            st_blksize;
68
69         long long               st_blocks;/* Number 512-byte blocks allocated. */
70
71         unsigned                st_atime;
72         unsigned                st_atime_nsec;
73         unsigned                st_mtime;
74         unsigned                st_mtime_nsec;
75         unsigned                st_ctime;
76         unsigned                st_ctime_nsec;
77
78         unsigned long long      st_ino;
79 } __attribute__((packed));
80
81 typedef struct compat_siginfo{
82         int si_signo;
83         int si_errno;
84         int si_code;
85
86         union {
87                 int _pad[((128/sizeof(int)) - 3)];
88
89                 /* kill() */
90                 struct {
91                         unsigned int _pid;      /* sender's pid */
92                         unsigned int _uid;      /* sender's uid */
93                 } _kill;
94
95                 /* POSIX.1b timers */
96                 struct {
97                         compat_timer_t _tid;    /* timer id */
98                         int _overrun;           /* overrun count */
99                         compat_sigval_t _sigval;        /* same as below */
100                         int _sys_private;       /* not to be passed to user */
101                         int _overrun_incr;      /* amount to add to overrun */
102                 } _timer;
103
104                 /* POSIX.1b signals */
105                 struct {
106                         unsigned int _pid;      /* sender's pid */
107                         unsigned int _uid;      /* sender's uid */
108                         compat_sigval_t _sigval;
109                 } _rt;
110
111                 /* SIGCHLD */
112                 struct {
113                         unsigned int _pid;      /* which child */
114                         unsigned int _uid;      /* sender's uid */
115                         int _status;            /* exit code */
116                         compat_clock_t _utime;
117                         compat_clock_t _stime;
118                 } _sigchld;
119
120                 /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
121                 struct {
122                         unsigned int _addr;     /* faulting insn/memory ref. */
123                 } _sigfault;
124
125                 /* SIGPOLL */
126                 struct {
127                         int _band;      /* POLL_IN, POLL_OUT, POLL_MSG */
128                         int _fd;
129                 } _sigpoll;
130         } _sifields;
131 } compat_siginfo_t;
132
133 struct sigframe32
134 {
135         u32 pretcode;
136         int sig;
137         struct sigcontext_ia32 sc;
138         struct _fpstate_ia32 fpstate;
139         unsigned int extramask[_COMPAT_NSIG_WORDS-1];
140 };
141
142 struct rt_sigframe32
143 {
144         u32 pretcode;
145         int sig;
146         u32 pinfo;
147         u32 puc;
148         compat_siginfo_t info;
149         struct ucontext_ia32 uc;
150         struct _fpstate_ia32 fpstate;
151 };
152
153 struct ustat32 {
154         __u32   f_tfree;
155         compat_ino_t            f_tinode;
156         char                    f_fname[6];
157         char                    f_fpack[6];
158 };
159
160 #define IA32_STACK_TOP IA32_PAGE_OFFSET
161
162 #ifdef __KERNEL__
163 struct user_desc;
164 struct siginfo_t;
165 int do_get_thread_area(struct thread_struct *t, struct user_desc __user *info);
166 int do_set_thread_area(struct thread_struct *t, struct user_desc __user *info);
167 int ia32_child_tls(struct task_struct *p, struct pt_regs *childregs);
168 #endif
169
170 #endif /* !CONFIG_IA32_SUPPORT */
171  
172 #endif