1 | /* |
2 | * Copyright (c) 2000-2008 Apple Inc. All rights reserved. |
3 | */ |
4 | /* |
5 | * Copyright 1995 NeXT Computer, Inc. All rights reserved. |
6 | */ |
7 | /* |
8 | * Copyright (c) 1990, 1993 |
9 | * The Regents of the University of California. All rights reserved. |
10 | * |
11 | * Redistribution and use in source and binary forms, with or without |
12 | * modification, are permitted provided that the following conditions |
13 | * are met: |
14 | * 1. Redistributions of source code must retain the above copyright |
15 | * notice, this list of conditions and the following disclaimer. |
16 | * 2. Redistributions in binary form must reproduce the above copyright |
17 | * notice, this list of conditions and the following disclaimer in the |
18 | * documentation and/or other materials provided with the distribution. |
19 | * 3. All advertising materials mentioning features or use of this software |
20 | * must display the following acknowledgement: |
21 | * This product includes software developed by the University of |
22 | * California, Berkeley and its contributors. |
23 | * 4. Neither the name of the University nor the names of its contributors |
24 | * may be used to endorse or promote products derived from this software |
25 | * without specific prior written permission. |
26 | * |
27 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
28 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
29 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
30 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
31 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
32 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
33 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
34 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
35 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
36 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
37 | * SUCH DAMAGE. |
38 | * |
39 | * @(#)types.h 8.3 (Berkeley) 1/5/94 |
40 | */ |
41 | |
42 | #ifndef _MACHTYPES_H_ |
43 | #define _MACHTYPES_H_ |
44 | |
45 | #ifndef __ASSEMBLER__ |
46 | #include <arm/_types.h> |
47 | #include <sys/cdefs.h> |
48 | /* |
49 | * Basic integral types. Omit the typedef if |
50 | * not possible for a machine/compiler combination. |
51 | */ |
52 | #include <sys/_types/_int8_t.h> |
53 | #include <sys/_types/_int16_t.h> |
54 | #include <sys/_types/_int32_t.h> |
55 | #include <sys/_types/_int64_t.h> |
56 | |
57 | #include <sys/_types/_u_int8_t.h> |
58 | #include <sys/_types/_u_int16_t.h> |
59 | #include <sys/_types/_u_int32_t.h> |
60 | #include <sys/_types/_u_int64_t.h> |
61 | |
62 | #if __LP64__ |
63 | typedef int64_t register_t; |
64 | #else |
65 | typedef int32_t register_t; |
66 | #endif |
67 | |
68 | #include <sys/_types/_intptr_t.h> |
69 | #include <sys/_types/_uintptr_t.h> |
70 | |
71 | #if !defined(_ANSI_SOURCE) && (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)) |
72 | /* These types are used for reserving the largest possible size. */ |
73 | #ifdef __arm64__ |
74 | typedef u_int64_t user_addr_t; |
75 | typedef u_int64_t user_size_t; |
76 | typedef int64_t user_ssize_t; |
77 | typedef int64_t user_long_t; |
78 | typedef u_int64_t user_ulong_t; |
79 | typedef int64_t user_time_t; |
80 | typedef int64_t user_off_t; |
81 | #else |
82 | typedef u_int32_t user_addr_t; |
83 | typedef u_int32_t user_size_t; |
84 | typedef int32_t user_ssize_t; |
85 | typedef int32_t user_long_t; |
86 | typedef u_int32_t user_ulong_t; |
87 | typedef int32_t user_time_t; |
88 | typedef int64_t user_off_t; |
89 | #endif |
90 | |
91 | #define USER_ADDR_NULL ((user_addr_t) 0) |
92 | #define CAST_USER_ADDR_T(a_ptr) ((user_addr_t)((uintptr_t)(a_ptr))) |
93 | |
94 | #ifdef KERNEL |
95 | |
96 | /* |
97 | * These types are used when you know the word size of the target |
98 | * user process. They can be used to create struct layouts independent |
99 | * of the types and alignment requirements of the current running |
100 | * kernel. |
101 | */ |
102 | |
103 | /* |
104 | * The user64_ types are not used on the ARM platform, but exist |
105 | * so that APIs that conditionalize their behavior based on the |
106 | * size of an input structure (like many ioctl(2) implementations) |
107 | * can differentiate those structures without a duplicate case |
108 | * value. |
109 | */ |
110 | |
111 | /* |
112 | * The default ABI for the ARM platform aligns fundamental integral |
113 | * data types to their natural boundaries, with a maximum alignment |
114 | * of 4, even for 8-byte quantites. |
115 | */ |
116 | |
117 | typedef __uint64_t user64_addr_t; |
118 | typedef __uint64_t user64_size_t; |
119 | typedef __int64_t user64_ssize_t; |
120 | typedef __int64_t user64_long_t; |
121 | typedef __uint64_t user64_ulong_t; |
122 | typedef __int64_t user64_time_t; |
123 | typedef __int64_t user64_off_t; |
124 | |
125 | typedef __uint32_t user32_addr_t; |
126 | typedef __uint32_t user32_size_t; |
127 | typedef __int32_t user32_ssize_t; |
128 | typedef __int32_t user32_long_t; |
129 | typedef __uint32_t user32_ulong_t; |
130 | typedef __int32_t user32_time_t; |
131 | |
132 | /* |
133 | * This alignment is required to ensure symmetry between userspace and kernelspace |
134 | * when the kernel is 64-bit and the user application is 32-bit. All currently |
135 | * supported ARM slices (arm64/armv7k/arm64_32) contain the same type alignment |
136 | * ABI so this alignment isn't needed for ARM. |
137 | */ |
138 | #if defined(__x86_64__) |
139 | typedef __int64_t user32_off_t __attribute__((aligned(4))); |
140 | #else |
141 | typedef __int64_t user32_off_t; |
142 | #endif |
143 | |
144 | #endif /* KERNEL */ |
145 | |
146 | #endif /* !_ANSI_SOURCE && (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ |
147 | |
148 | /* This defines the size of syscall arguments after copying into the kernel: */ |
149 | #if defined(__arm__) |
150 | typedef u_int32_t syscall_arg_t; |
151 | #elif defined(__arm64__) |
152 | typedef u_int64_t syscall_arg_t; |
153 | #else |
154 | #error Unknown architecture. |
155 | #endif |
156 | |
157 | #endif /* __ASSEMBLER__ */ |
158 | #endif /* _MACHTYPES_H_ */ |
159 | |