diff options
Diffstat (limited to 'include/asm-x86_64/ia32.h')
-rw-r--r-- | include/asm-x86_64/ia32.h | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/include/asm-x86_64/ia32.h b/include/asm-x86_64/ia32.h new file mode 100644 index 000000000000..c0a7717923ed --- /dev/null +++ b/include/asm-x86_64/ia32.h | |||
@@ -0,0 +1,172 @@ | |||
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 | int _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 | ||