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1 | #ifndef _ASM_X86_64_IA32_H |
2 | #define _ASM_X86_64_IA32_H | |
3 | ||
1da177e4 LT |
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 | struct sigaction32 { | |
17 | unsigned int sa_handler; /* Really a pointer, but need to deal | |
18 | with 32 bits */ | |
19 | unsigned int sa_flags; | |
20 | unsigned int sa_restorer; /* Another 32 bit pointer */ | |
21 | compat_sigset_t sa_mask; /* A 32 bit mask */ | |
22 | }; | |
23 | ||
24 | struct old_sigaction32 { | |
25 | unsigned int sa_handler; /* Really a pointer, but need to deal | |
26 | with 32 bits */ | |
27 | compat_old_sigset_t sa_mask; /* A 32 bit mask */ | |
28 | unsigned int sa_flags; | |
29 | unsigned int sa_restorer; /* Another 32 bit pointer */ | |
30 | }; | |
31 | ||
32 | typedef struct sigaltstack_ia32 { | |
33 | unsigned int ss_sp; | |
34 | int ss_flags; | |
35 | unsigned int ss_size; | |
36 | } stack_ia32_t; | |
37 | ||
38 | struct ucontext_ia32 { | |
39 | unsigned int uc_flags; | |
40 | unsigned int uc_link; | |
41 | stack_ia32_t uc_stack; | |
42 | struct sigcontext_ia32 uc_mcontext; | |
43 | compat_sigset_t uc_sigmask; /* mask last for extensibility */ | |
44 | }; | |
45 | ||
46 | /* This matches struct stat64 in glibc2.2, hence the absolutely | |
47 | * insane amounts of padding around dev_t's. | |
48 | */ | |
49 | struct stat64 { | |
50 | unsigned long long st_dev; | |
51 | unsigned char __pad0[4]; | |
52 | ||
53 | #define STAT64_HAS_BROKEN_ST_INO 1 | |
54 | unsigned int __st_ino; | |
55 | ||
56 | unsigned int st_mode; | |
57 | unsigned int st_nlink; | |
58 | ||
59 | unsigned int st_uid; | |
60 | unsigned int st_gid; | |
61 | ||
62 | unsigned long long st_rdev; | |
63 | unsigned char __pad3[4]; | |
64 | ||
65 | long long st_size; | |
66 | unsigned int st_blksize; | |
67 | ||
68 | long long st_blocks;/* Number 512-byte blocks allocated. */ | |
69 | ||
70 | unsigned st_atime; | |
71 | unsigned st_atime_nsec; | |
72 | unsigned st_mtime; | |
73 | unsigned st_mtime_nsec; | |
74 | unsigned st_ctime; | |
75 | unsigned st_ctime_nsec; | |
76 | ||
77 | unsigned long long st_ino; | |
78 | } __attribute__((packed)); | |
79 | ||
80 | typedef struct compat_siginfo{ | |
81 | int si_signo; | |
82 | int si_errno; | |
83 | int si_code; | |
84 | ||
85 | union { | |
86 | int _pad[((128/sizeof(int)) - 3)]; | |
87 | ||
88 | /* kill() */ | |
89 | struct { | |
90 | unsigned int _pid; /* sender's pid */ | |
91 | unsigned int _uid; /* sender's uid */ | |
92 | } _kill; | |
93 | ||
94 | /* POSIX.1b timers */ | |
95 | struct { | |
0d77e5a2 | 96 | compat_timer_t _tid; /* timer id */ |
1da177e4 LT |
97 | int _overrun; /* overrun count */ |
98 | compat_sigval_t _sigval; /* same as below */ | |
99 | int _sys_private; /* not to be passed to user */ | |
100 | int _overrun_incr; /* amount to add to overrun */ | |
101 | } _timer; | |
102 | ||
103 | /* POSIX.1b signals */ | |
104 | struct { | |
105 | unsigned int _pid; /* sender's pid */ | |
106 | unsigned int _uid; /* sender's uid */ | |
107 | compat_sigval_t _sigval; | |
108 | } _rt; | |
109 | ||
110 | /* SIGCHLD */ | |
111 | struct { | |
112 | unsigned int _pid; /* which child */ | |
113 | unsigned int _uid; /* sender's uid */ | |
114 | int _status; /* exit code */ | |
115 | compat_clock_t _utime; | |
116 | compat_clock_t _stime; | |
117 | } _sigchld; | |
118 | ||
119 | /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */ | |
120 | struct { | |
121 | unsigned int _addr; /* faulting insn/memory ref. */ | |
122 | } _sigfault; | |
123 | ||
124 | /* SIGPOLL */ | |
125 | struct { | |
126 | int _band; /* POLL_IN, POLL_OUT, POLL_MSG */ | |
127 | int _fd; | |
128 | } _sigpoll; | |
129 | } _sifields; | |
130 | } compat_siginfo_t; | |
131 | ||
132 | struct sigframe32 | |
133 | { | |
134 | u32 pretcode; | |
135 | int sig; | |
136 | struct sigcontext_ia32 sc; | |
137 | struct _fpstate_ia32 fpstate; | |
138 | unsigned int extramask[_COMPAT_NSIG_WORDS-1]; | |
139 | }; | |
140 | ||
141 | struct rt_sigframe32 | |
142 | { | |
143 | u32 pretcode; | |
144 | int sig; | |
145 | u32 pinfo; | |
146 | u32 puc; | |
147 | compat_siginfo_t info; | |
148 | struct ucontext_ia32 uc; | |
149 | struct _fpstate_ia32 fpstate; | |
150 | }; | |
151 | ||
152 | struct ustat32 { | |
153 | __u32 f_tfree; | |
154 | compat_ino_t f_tinode; | |
155 | char f_fname[6]; | |
156 | char f_fpack[6]; | |
157 | }; | |
158 | ||
159 | #define IA32_STACK_TOP IA32_PAGE_OFFSET | |
160 | ||
161 | #ifdef __KERNEL__ | |
ea0be473 AK |
162 | struct linux_binprm; |
163 | extern int ia32_setup_arg_pages(struct linux_binprm *bprm, | |
164 | unsigned long stack_top, int exec_stack); | |
8817210d AK |
165 | struct mm_struct; |
166 | extern void ia32_pick_mmap_layout(struct mm_struct *mm); | |
ea0be473 | 167 | |
1da177e4 LT |
168 | #endif |
169 | ||
170 | #endif /* !CONFIG_IA32_SUPPORT */ | |
171 | ||
172 | #endif |