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 _ARM_MACHTYPES_H_ |
43 | #define _ARM_MACHTYPES_H_ |
44 | #define _MACHTYPES_H_ |
45 | |
46 | #if defined (__arm__) || defined (__arm64__) |
47 | |
48 | #ifndef __ASSEMBLER__ |
49 | #include <arm/_types.h> |
50 | #include <sys/cdefs.h> |
51 | /* |
52 | * Basic integral types. Omit the typedef if |
53 | * not possible for a machine/compiler combination. |
54 | */ |
55 | #include <sys/_types/_int8_t.h> |
56 | #include <sys/_types/_int16_t.h> |
57 | #include <sys/_types/_int32_t.h> |
58 | #include <sys/_types/_int64_t.h> |
59 | |
60 | #include <sys/_types/_u_int8_t.h> |
61 | #include <sys/_types/_u_int16_t.h> |
62 | #include <sys/_types/_u_int32_t.h> |
63 | #include <sys/_types/_u_int64_t.h> |
64 | |
65 | #if __LP64__ |
66 | typedef int64_t register_t; |
67 | #else |
68 | typedef int32_t register_t; |
69 | #endif |
70 | |
71 | #include <sys/_types/_intptr_t.h> |
72 | #include <sys/_types/_uintptr_t.h> |
73 | |
74 | #if !defined(_ANSI_SOURCE) && (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)) |
75 | /* These types are used for reserving the largest possible size. */ |
76 | #ifdef __arm64__ |
77 | typedef u_int64_t user_addr_t; |
78 | typedef u_int64_t user_size_t; |
79 | typedef int64_t user_ssize_t; |
80 | typedef int64_t user_long_t; |
81 | typedef u_int64_t user_ulong_t; |
82 | typedef int64_t user_time_t; |
83 | typedef int64_t user_off_t; |
84 | #else |
85 | typedef u_int32_t user_addr_t; |
86 | typedef u_int32_t user_size_t; |
87 | typedef int32_t user_ssize_t; |
88 | typedef int32_t user_long_t; |
89 | typedef u_int32_t user_ulong_t; |
90 | typedef int32_t user_time_t; |
91 | typedef int64_t user_off_t; |
92 | #endif |
93 | |
94 | #define USER_ADDR_NULL ((user_addr_t) 0) |
95 | #define CAST_USER_ADDR_T(a_ptr) ((user_addr_t)((uintptr_t)(a_ptr))) |
96 | |
97 | #ifdef KERNEL |
98 | |
99 | /* |
100 | * These types are used when you know the word size of the target |
101 | * user process. They can be used to create struct layouts independent |
102 | * of the types and alignment requirements of the current running |
103 | * kernel. |
104 | */ |
105 | |
106 | /* |
107 | * The user64_ types are not used on the ARM platform, but exist |
108 | * so that APIs that conditionalize their behavior based on the |
109 | * size of an input structure (like many ioctl(2) implementations) |
110 | * can differentiate those structures without a duplicate case |
111 | * value. |
112 | */ |
113 | |
114 | /* |
115 | * The default ABI for the ARM platform aligns fundamental integral |
116 | * data types to their natural boundaries, with a maximum alignment |
117 | * of 4, even for 8-byte quantites. |
118 | */ |
119 | |
120 | typedef __uint64_t user64_addr_t; |
121 | typedef __uint64_t user64_size_t; |
122 | typedef __int64_t user64_ssize_t; |
123 | typedef __int64_t user64_long_t; |
124 | typedef __uint64_t user64_ulong_t; |
125 | typedef __int64_t user64_time_t; |
126 | typedef __int64_t user64_off_t; |
127 | |
128 | typedef __uint32_t user32_addr_t; |
129 | typedef __uint32_t user32_size_t; |
130 | typedef __int32_t user32_ssize_t; |
131 | typedef __int32_t user32_long_t; |
132 | typedef __uint32_t user32_ulong_t; |
133 | typedef __int32_t user32_time_t; |
134 | |
135 | /* |
136 | * This alignment is required to ensure symmetry between userspace and kernelspace |
137 | * when the kernel is 64-bit and the user application is 32-bit. All currently |
138 | * supported ARM slices (arm64/armv7k/arm64_32) contain the same type alignment |
139 | * ABI so this alignment isn't needed for ARM. |
140 | */ |
141 | #if defined(__x86_64__) |
142 | typedef __int64_t user32_off_t __attribute__((aligned(4))); |
143 | #else |
144 | typedef __int64_t user32_off_t; |
145 | #endif |
146 | |
147 | #endif /* KERNEL */ |
148 | |
149 | #endif /* !_ANSI_SOURCE && (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ |
150 | |
151 | /* This defines the size of syscall arguments after copying into the kernel: */ |
152 | #if defined(__arm__) |
153 | typedef u_int32_t syscall_arg_t; |
154 | #elif defined(__arm64__) |
155 | typedef u_int64_t syscall_arg_t; |
156 | #else |
157 | #error Unknown architecture. |
158 | #endif |
159 | |
160 | #endif /* __ASSEMBLER__ */ |
161 | #endif /* defined (__arm__) || defined (__arm64__) */ |
162 | #endif /* _ARM_MACHTYPES_H_ */ |
163 | |